diff --git a/ProductApp/Podfile b/ProductApp/Podfile index 9e69143..1367a49 100644 --- a/ProductApp/Podfile +++ b/ProductApp/Podfile @@ -58,6 +58,10 @@ pod 'SocketRocket' #数据库管理 pod 'FMDB' + +#pod 'GPUImage' +pod 'SDWebImageWebPCoder' + post_install do |installer| installer.generated_projects.each do |project| project.targets.each do |target| diff --git a/ProductApp/Podfile.lock b/ProductApp/Podfile.lock index cda6b3c..38a73e6 100644 --- a/ProductApp/Podfile.lock +++ b/ProductApp/Podfile.lock @@ -30,6 +30,18 @@ PODS: - HXPhotoPicker/Default (3.3.2) - IQKeyboardManager (6.5.10) - libpag (4.3.59) + - libwebp (1.3.2): + - libwebp/demux (= 1.3.2) + - libwebp/mux (= 1.3.2) + - libwebp/sharpyuv (= 1.3.2) + - libwebp/webp (= 1.3.2) + - libwebp/demux (1.3.2): + - libwebp/webp + - libwebp/mux (1.3.2): + - libwebp/demux + - libwebp/sharpyuv (1.3.2) + - libwebp/webp (1.3.2): + - libwebp/sharpyuv - LSTTimer (0.2.10) - Masonry (1.1.0) - MBProgressHUD (1.2.0) @@ -43,6 +55,9 @@ PODS: - SDWebImage (5.13.4): - SDWebImage/Core (= 5.13.4) - SDWebImage/Core (5.13.4) + - SDWebImageWebPCoder (0.9.1): + - libwebp (~> 1.0) + - SDWebImage/Core (~> 5.13) - SocketRocket (0.6.0) - SSZipArchive (2.4.3) - "UITableView+FDTemplateLayoutCell (1.6)" @@ -78,6 +93,7 @@ DEPENDENCIES: - SDAutoLayout - SDCycleScrollView - SDWebImage + - SDWebImageWebPCoder - SocketRocket - SSZipArchive - "UITableView+FDTemplateLayoutCell" @@ -102,6 +118,7 @@ SPEC REPOS: - HXPhotoPicker - IQKeyboardManager - libpag + - libwebp - LSTTimer - Masonry - MBProgressHUD @@ -112,6 +129,7 @@ SPEC REPOS: - SDAutoLayout - SDCycleScrollView - SDWebImage + - SDWebImageWebPCoder - SocketRocket - SSZipArchive - "UITableView+FDTemplateLayoutCell" @@ -136,6 +154,7 @@ SPEC CHECKSUMS: HXPhotoPicker: 3d0526bc46cd2a4510a777d5f57dfad8e683fcfd IQKeyboardManager: 45a1fa55c1a5b02c61ac0fd7fd5b62bb4ad20d97 libpag: ec1b388cdd9c192becc79738382829862ee5743d + libwebp: 1786c9f4ff8a279e4dac1e8f385004d5fc253009 LSTTimer: caf8f02ff366ca175cf4c1778d26c166183c1b6f Masonry: 678fab65091a9290e40e2832a55e7ab731aad201 MBProgressHUD: 3ee5efcc380f6a79a7cc9b363dd669c5e1ae7406 @@ -146,6 +165,7 @@ SPEC CHECKSUMS: SDAutoLayout: 8bf6b3bbc8b01f775d4defbb4fda2ace805461be SDCycleScrollView: a0d74c3384caa72bdfc81470bdbc8c14b3e1fbcf SDWebImage: e5cc87bf736e60f49592f307bdf9e157189298a3 + SDWebImageWebPCoder: 18503de6621dd2c420d680e33d46bf8e1d5169b0 SocketRocket: fccef3f9c5cedea1353a9ef6ada904fde10d6608 SSZipArchive: fe6a26b2a54d5a0890f2567b5cc6de5caa600aef "UITableView+FDTemplateLayoutCell": 5c949b4a5059c404b442926c0e80f81d10a2d66f @@ -159,6 +179,6 @@ SPEC CHECKSUMS: YYText: 5c461d709e24d55a182d1441c41dc639a18a4849 ZXSDK: 414bed508b670437a9bdf7c75d49816b8cb7b2d4 -PODFILE CHECKSUM: 8ef4da9ac45712582ed65b616cefa16f2828abe1 +PODFILE CHECKSUM: 9484ac364cb0f03591e4032ea0d99936c1521f8c COCOAPODS: 1.15.2 diff --git a/ProductApp/Pods/Manifest.lock b/ProductApp/Pods/Manifest.lock index cda6b3c..38a73e6 100644 --- a/ProductApp/Pods/Manifest.lock +++ b/ProductApp/Pods/Manifest.lock @@ -30,6 +30,18 @@ PODS: - HXPhotoPicker/Default (3.3.2) - IQKeyboardManager (6.5.10) - libpag (4.3.59) + - libwebp (1.3.2): + - libwebp/demux (= 1.3.2) + - libwebp/mux (= 1.3.2) + - libwebp/sharpyuv (= 1.3.2) + - libwebp/webp (= 1.3.2) + - libwebp/demux (1.3.2): + - libwebp/webp + - libwebp/mux (1.3.2): + - libwebp/demux + - libwebp/sharpyuv (1.3.2) + - libwebp/webp (1.3.2): + - libwebp/sharpyuv - LSTTimer (0.2.10) - Masonry (1.1.0) - MBProgressHUD (1.2.0) @@ -43,6 +55,9 @@ PODS: - SDWebImage (5.13.4): - SDWebImage/Core (= 5.13.4) - SDWebImage/Core (5.13.4) + - SDWebImageWebPCoder (0.9.1): + - libwebp (~> 1.0) + - SDWebImage/Core (~> 5.13) - SocketRocket (0.6.0) - SSZipArchive (2.4.3) - "UITableView+FDTemplateLayoutCell (1.6)" @@ -78,6 +93,7 @@ DEPENDENCIES: - SDAutoLayout - SDCycleScrollView - SDWebImage + - SDWebImageWebPCoder - SocketRocket - SSZipArchive - "UITableView+FDTemplateLayoutCell" @@ -102,6 +118,7 @@ SPEC REPOS: - HXPhotoPicker - IQKeyboardManager - libpag + - libwebp - LSTTimer - Masonry - MBProgressHUD @@ -112,6 +129,7 @@ SPEC REPOS: - SDAutoLayout - SDCycleScrollView - SDWebImage + - SDWebImageWebPCoder - SocketRocket - SSZipArchive - "UITableView+FDTemplateLayoutCell" @@ -136,6 +154,7 @@ SPEC CHECKSUMS: HXPhotoPicker: 3d0526bc46cd2a4510a777d5f57dfad8e683fcfd IQKeyboardManager: 45a1fa55c1a5b02c61ac0fd7fd5b62bb4ad20d97 libpag: ec1b388cdd9c192becc79738382829862ee5743d + libwebp: 1786c9f4ff8a279e4dac1e8f385004d5fc253009 LSTTimer: caf8f02ff366ca175cf4c1778d26c166183c1b6f Masonry: 678fab65091a9290e40e2832a55e7ab731aad201 MBProgressHUD: 3ee5efcc380f6a79a7cc9b363dd669c5e1ae7406 @@ -146,6 +165,7 @@ SPEC CHECKSUMS: SDAutoLayout: 8bf6b3bbc8b01f775d4defbb4fda2ace805461be SDCycleScrollView: a0d74c3384caa72bdfc81470bdbc8c14b3e1fbcf SDWebImage: e5cc87bf736e60f49592f307bdf9e157189298a3 + SDWebImageWebPCoder: 18503de6621dd2c420d680e33d46bf8e1d5169b0 SocketRocket: fccef3f9c5cedea1353a9ef6ada904fde10d6608 SSZipArchive: fe6a26b2a54d5a0890f2567b5cc6de5caa600aef "UITableView+FDTemplateLayoutCell": 5c949b4a5059c404b442926c0e80f81d10a2d66f @@ -159,6 +179,6 @@ SPEC CHECKSUMS: YYText: 5c461d709e24d55a182d1441c41dc639a18a4849 ZXSDK: 414bed508b670437a9bdf7c75d49816b8cb7b2d4 -PODFILE CHECKSUM: 8ef4da9ac45712582ed65b616cefa16f2828abe1 +PODFILE CHECKSUM: 9484ac364cb0f03591e4032ea0d99936c1521f8c COCOAPODS: 1.15.2 diff --git a/ProductApp/Pods/Pods.xcodeproj/project.pbxproj b/ProductApp/Pods/Pods.xcodeproj/project.pbxproj index 3759496..1432bd4 100644 --- a/ProductApp/Pods/Pods.xcodeproj/project.pbxproj +++ b/ProductApp/Pods/Pods.xcodeproj/project.pbxproj @@ -24,7 +24,7 @@ 1F61E678B6D8F054218E48EE26BCD60C /* [CP] Copy XCFrameworks */, ); dependencies = ( - EA08584190083AB56D26EAFF0CCE0BCB /* PBXTargetDependency */, + 6F59C1250AFBCBCF921509B5CA560372 /* PBXTargetDependency */, ); name = UMCommon; }; @@ -44,7 +44,7 @@ buildPhases = ( ); dependencies = ( - 39F4311A65A522BF194F9ED69141205C /* PBXTargetDependency */, + 9E6BFF664497852F1AB570C52727C491 /* PBXTargetDependency */, ); name = GYSDK; }; @@ -54,7 +54,7 @@ buildPhases = ( ); dependencies = ( - 36AF891FF8541552BAF83801212B7AB9 /* PBXTargetDependency */, + F453BEC43C2BC7431C1A0E01163D8260 /* PBXTargetDependency */, ); name = UMLink; }; @@ -69,7 +69,7 @@ }; 8194323886ECAF7E912EFDAFC84017AA /* ZXSDK */ = { isa = PBXAggregateTarget; - buildConfigurationList = 8972CA7DB1170C1856651077A4B9238C /* Build configuration list for PBXAggregateTarget "ZXSDK" */; + buildConfigurationList = 020CE0512F82FABAA067E1AC33B18451 /* Build configuration list for PBXAggregateTarget "ZXSDK" */; buildPhases = ( ); dependencies = ( @@ -92,7 +92,7 @@ D984A768DD4A1ECAD484A89C6159909E /* [CP] Copy XCFrameworks */, ); dependencies = ( - 53B89BBC598707A5B495404D3E0F092E /* PBXTargetDependency */, + BDFE2EB30770A0369117ADF98C3C1AC5 /* PBXTargetDependency */, ); name = GTCommonSDK; }; @@ -103,15 +103,15 @@ 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E8927F0C4A1EA02F5A30844CC0F3E7D7 /* Release */, + ); + defaultConfigurationIsVisible = 0; + defaultConfigurationName = Release; + }; + F319B557CB63CF99429127FBCBE28C06 /* Build configuration list for PBXNativeTarget "SDWebImage" */ = { + isa = XCConfigurationList; + buildConfigurations = ( + 9674E55D64F3AC7803273CCE549DEA3C /* Debug */, + 5EBCC0F0BC55CA8C488FDC3BD91675E5 /* Release */, + ); + defaultConfigurationIsVisible = 0; + defaultConfigurationName = Release; + }; FAA2EC63F721708EC257E816806AC5E0 /* Build configuration list for PBXNativeTarget "MJRefresh" */ = { isa = XCConfigurationList; buildConfigurations = ( diff --git a/ProductApp/Pods/Pods.xcodeproj/xcuserdata/gongzuo.xcuserdatad/xcschemes/SDWebImageWebPCoder.xcscheme b/ProductApp/Pods/Pods.xcodeproj/xcuserdata/gongzuo.xcuserdatad/xcschemes/SDWebImageWebPCoder.xcscheme new file mode 100644 index 0000000..f523f1a --- /dev/null +++ b/ProductApp/Pods/Pods.xcodeproj/xcuserdata/gongzuo.xcuserdatad/xcschemes/SDWebImageWebPCoder.xcscheme @@ -0,0 +1,58 @@ + + + + + + + + + + + + + + + + + + + + + + + diff --git a/ProductApp/Pods/Pods.xcodeproj/xcuserdata/gongzuo.xcuserdatad/xcschemes/libwebp.xcscheme b/ProductApp/Pods/Pods.xcodeproj/xcuserdata/gongzuo.xcuserdatad/xcschemes/libwebp.xcscheme new file mode 100644 index 0000000..360bcd5 --- /dev/null +++ b/ProductApp/Pods/Pods.xcodeproj/xcuserdata/gongzuo.xcuserdatad/xcschemes/libwebp.xcscheme @@ -0,0 +1,58 @@ + + + + + + + + + + + + + + + + + + + + + + + diff --git a/ProductApp/Pods/Pods.xcodeproj/xcuserdata/gongzuo.xcuserdatad/xcschemes/xcschememanagement.plist b/ProductApp/Pods/Pods.xcodeproj/xcuserdata/gongzuo.xcuserdatad/xcschemes/xcschememanagement.plist index c4a628f..856c137 100644 --- a/ProductApp/Pods/Pods.xcodeproj/xcuserdata/gongzuo.xcuserdatad/xcschemes/xcschememanagement.plist +++ b/ProductApp/Pods/Pods.xcodeproj/xcuserdata/gongzuo.xcuserdatad/xcschemes/xcschememanagement.plist @@ -8,232 +8,176 @@ isShown - orderHint - 1 DZNEmptyDataSet.xcscheme isShown - orderHint - 2 FMDB.xcscheme isShown - orderHint - 3 GTCommonSDK.xcscheme isShown - orderHint - 4 GTExtensionSDK.xcscheme isShown - orderHint - 5 GTSDK.xcscheme isShown - orderHint - 6 GYSDK.xcscheme isShown - orderHint - 7 HXPhotoPicker.xcscheme isShown - orderHint - 8 IQKeyboardManager.xcscheme isShown - orderHint - 9 LSTTimer.xcscheme isShown - orderHint - 11 MBProgressHUD.xcscheme isShown - orderHint - 13 MJRefresh.xcscheme isShown - orderHint - 14 MOFSPickerManager.xcscheme isShown - orderHint - 15 Masonry.xcscheme isShown - orderHint - 12 Pods-ProductApp.xcscheme isShown - orderHint - 16 PopupKit.xcscheme isShown - orderHint - 17 Reachability.xcscheme isShown - orderHint - 18 SDAutoLayout.xcscheme isShown - orderHint - 19 SDCycleScrollView.xcscheme isShown - orderHint - 20 SDWebImage.xcscheme isShown - orderHint - 21 + + SDWebImageWebPCoder.xcscheme + + isShown + SSZipArchive.xcscheme isShown - orderHint - 23 SocketRocket.xcscheme isShown - orderHint - 22 UITableView+FDTemplateLayoutCell.xcscheme isShown - orderHint - 24 UMAPM.xcscheme isShown - orderHint - 25 UMCCommonLog.xcscheme isShown - orderHint - 26 UMCommon.xcscheme isShown - orderHint - 27 UMDevice.xcscheme isShown - orderHint - 28 UMLink.xcscheme isShown - orderHint - 29 WechatOpenSDK.xcscheme isShown - orderHint - 30 YYModel.xcscheme isShown - orderHint - 31 YYText.xcscheme isShown - orderHint - 32 ZXSDK.xcscheme isShown - orderHint - 33 libpag.xcscheme isShown - orderHint - 10 + + libwebp.xcscheme + + isShown + SuppressBuildableAutocreation diff --git a/ProductApp/Pods/SDWebImageWebPCoder/LICENSE b/ProductApp/Pods/SDWebImageWebPCoder/LICENSE new file mode 100644 index 0000000..2e8432d --- /dev/null +++ b/ProductApp/Pods/SDWebImageWebPCoder/LICENSE @@ -0,0 +1,19 @@ +Copyright (c) 2018 Bogdan Poplauschi + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/ProductApp/Pods/SDWebImageWebPCoder/README.md b/ProductApp/Pods/SDWebImageWebPCoder/README.md new file mode 100644 index 0000000..70ae978 --- /dev/null +++ b/ProductApp/Pods/SDWebImageWebPCoder/README.md @@ -0,0 +1,262 @@ +# SDWebImageWebPCoder + +[![CI Status](http://img.shields.io/travis/SDWebImage/SDWebImageWebPCoder.svg?style=flat)](https://travis-ci.org/SDWebImage/SDWebImageWebPCoder) +[![Version](https://img.shields.io/cocoapods/v/SDWebImageWebPCoder.svg?style=flat)](http://cocoapods.org/pods/SDWebImageWebPCoder) +[![License](https://img.shields.io/cocoapods/l/SDWebImageWebPCoder.svg?style=flat)](http://cocoapods.org/pods/SDWebImageWebPCoder) +[![Platform](https://img.shields.io/cocoapods/p/SDWebImageWebPCoder.svg?style=flat)](http://cocoapods.org/pods/SDWebImageWebPCoder) +[![SwiftPM compatible](https://img.shields.io/badge/SwiftPM-compatible-brightgreen.svg?style=flat)](https://swift.org/package-manager/) +[![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/SDWebImage/SDWebImageWebPCoder) +[![codecov](https://codecov.io/gh/SDWebImage/SDWebImageWebPCoder/branch/master/graph/badge.svg)](https://codecov.io/gh/SDWebImage/SDWebImageWebPCoder) + +Starting with the SDWebImage 5.0 version, we moved the WebP support code and [libwebp](https://github.com/webmproject/libwebp) from the Core Repo to this stand-alone repo. + +SDWebImageWebPCoder supports both WebP decoding and encoding, for Static WebP or Animated WebP as well. + +## Requirements + ++ iOS 9.0 ++ macOS 10.11 ++ tvOS 9.0 ++ watchOS 2.0 ++ Xcode 11.0 + +## Installation + +#### CocoaPods + +SDWebImageWebPCoder is available through [CocoaPods](http://cocoapods.org). To install it, simply add the following line to your Podfile: + +```ruby +pod 'SDWebImageWebPCoder' +``` + +#### Carthage + +SDWebImageWebPCoder is available through [Carthage](https://github.com/Carthage/Carthage). + +``` +github "SDWebImage/SDWebImageWebPCoder" +``` + +#### Swift Package Manager (Xcode 11+) + +SDWebImageWebPCoder is available through [Swift Package Manager](https://swift.org/package-manager). + +```swift +let package = Package( + dependencies: [ + .package(url: "https://github.com/SDWebImage/SDWebImageWebPCoder.git", from: "0.3.0") + ] +) +``` + +## Usage + +### Add Coder + +Before using SDWebImage to load WebP images, you need to register the WebP Coder to your coders manager. This step is recommended to be done after your App launch (like AppDelegate method). + ++ Objective-C + +```objective-c +// Add coder +SDImageWebPCoder *webPCoder = [SDImageWebPCoder sharedCoder]; +[[SDImageCodersManager sharedManager] addCoder:webPCoder]; +``` + ++ Swift + +```swift +// Add coder +let WebPCoder = SDImageWebPCoder.shared +SDImageCodersManager.shared.addCoder(WebPCoder) +``` + +### Modify HTTP Accept Header + +Some of image server provider may try to detect the client supported format, by default, SDWebImage use `image/*,*/*;q=0.8` for [Accept](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Accept). You can modify it with the `image/webp` as well. + ++ Objective-C + +```objective-c +[[SDWebImageDownloader sharedDownloader] setValue:@"image/webp,image/*,*/*;q=0.8" forHTTPHeaderField:@"Accept"]; +``` + ++ Swift + +```swift +SDWebImageDownloader.shared.setValue("image/webp,image/*,*/*;q=0.8", forHTTPHeaderField:"Accept") +``` + +### Loading + ++ Objective-C + +```objective-c +// WebP online image loading +NSURL *webpURL; +UIImageView *imageView; +[imageView sd_setImageWithURL:webpURL]; +``` + ++ Swift + +```swift +// WebP online image loading +let webpURL: URL +let imageView: UIImageView +imageView.sd_setImage(with: webpURL) +``` + +### Progressive Animation Loading (0.5.0+) + ++ Objective-C + +```objective-c +// WebP progressive loading for animated image +NSURL *webpURL; +SDAnimatedImageView *imageView; +imageView.shouldIncrementalLoad = YES; +[imageView sd_setImageWithURL:webpURL placeholderImage:nil options:SDWebImageProgressiveLoad]; +``` + ++ Swift + +```swift +// WebP progressive loading for animated image +let webpURL: URL +let imageView: SDAnimatedImageView +imageView.shouldIncrementalLoad = true +imageView.sd_setImage(with: webpURL, placeholderImage: nil, options: [.progressiveLoad]) +``` + +### Decoding + ++ Objective-C + +```objective-c +// WebP image decoding +NSData *webpData; +UIImage *image = [[SDImageWebPCoder sharedCoder] decodedImageWithData:webpData options:nil]; +``` + ++ Swift + +```swift +// WebP image decoding +let webpData: Data +let image = SDImageWebPCoder.shared.decodedImage(with: data, options: nil) +``` + +### Thumbnail Decoding (0.4.0+) + ++ Objective-C + +```objective-c +// WebP thumbnail image decoding +NSData *webpData; +CGSize thumbnailSize = CGSizeMake(300, 300); +UIImage *thumbnailImage = [[SDImageWebPCoder sharedCoder] decodedImageWithData:webpData options:@{SDImageCoderDecodeThumbnailPixelSize : @(thumbnailSize}]; +``` + ++ Swift + +```swift +// WebP thumbnail image decoding +let webpData: Data +let thumbnailSize = CGSize(width: 300, height: 300) +let image = SDImageWebPCoder.shared.decodedImage(with: data, options: [.decodeThumbnailPixelSize: thumbnailSize]) +``` + +### Encoding + ++ Objective-c + +```objective-c +// WebP image encoding +UIImage *image; +NSData *webpData = [[SDImageWebPCoder sharedCoder] encodedDataWithImage:image format:SDImageFormatWebP options:nil]; +// Encode Quality +NSData *lossyWebpData = [[SDImageWebPCoder sharedCoder] encodedDataWithImage:image format:SDImageFormatWebP options:@{SDImageCoderEncodeCompressionQuality : @(0.1)}]; // [0, 1] compression quality +NSData *limitedWebpData = [[SDImageWebPCoder sharedCoder] encodedDataWithImage:image format:SDImageFormatWebP options:@{SDImageCoderEncodeMaxFileSize : @(1024 * 10)}]; // v0.6.0 feature, limit output file size <= 10KB +``` + ++ Swift + +```swift +// WebP image encoding +let image: UIImage +let webpData = SDImageWebPCoder.shared.encodedData(with: image, format: .webP, options: nil) +// Encode Quality +let lossyWebpData = SDImageWebPCoder.shared.encodedData(with: image, format: .webP, options: [.encodeCompressionQuality: 0.1]) // [0, 1] compression quality +let limitedWebpData = SDImageWebPCoder.shared.encodedData(with: image, format: .webP, options: [.encodeMaxFileSize: 1024 * 10]) // v0.6.0 feature, limit output file size <= 10KB +``` + +### Thumbnail Encoding (0.6.1+) + ++ Objective-C + +```objective-c +// WebP image thumbnail encoding +UIImage *image; +NSData *thumbnailWebpData = [[SDImageWebPCoder sharedCoder] encodedDataWithImage:image format:SDImageFormatWebP options:@{SDImageCoderEncodeMaxPixelSize : @(CGSizeMake(200, 200)}]; // v0.6.1 feature, encoding max pixel size +``` + ++ Swift + +```swift +// WebP image thumbnail encoding +let image: UIImage +let thumbnailWebpData = SDImageWebPCoder.shared.encodedData(with: image, format: .webP, options: [.encodeMaxPixelSize: CGSize(width: 200, height: 200)]) // v0.6.1 feature, encoding max pixel size +``` + +See more documentation in [SDWebImage Wiki - Coders](https://github.com/SDWebImage/SDWebImage/wiki/Advanced-Usage#custom-coder-420) + +### Advanced WebP codec options (0.8+) + +The WebP codec [libwebp](https://developers.google.com/speed/webp/docs/api) we use, supports some advanced control options for encoding/decoding. You can pass them to libwebp by using the wrapper top level API: + ++ Objective-C + +```objective-c +UIImage *image; +SDImageCoderOptions *options = @{SDImageCoderEncodeWebPMethod: @(0), SDImageCoderEncodeWebPAlphaCompression: @(100)}; +NSData *data = [SDImageWebPCoder.sharedCoder encodedDataWithImage:image format:SDImageFormatWebP options:options]; +// Will translate into: +// config->method = 0; +// config->alpha_quality = 100; +``` + ++ Swift + +```swift +let image: UIImage +let options = [.encodeWebPMethod: 0, .encodeWebPAlphaCompression: 100] +let data = SDImageWebPCoder.shared.encodedData(with: image, format: .webP, options: options) +// Will translate into: +// config->method = 0; +// config->alpha_quality = 100; +``` + +## Example + +To run the example project, clone the repo, and run `pod install` from the root directory first. Then open `SDWebImageWebPCoder.xcworkspace`. + +This is a demo to show how to use `WebP` and animated `WebP` images via `SDWebImageWebPCoderExample` target. + +## Screenshot + + + +These WebP images are from [WebP Gallery](https://developers.google.com/speed/webp/gallery1) and [GIF vs APNG vs WebP](http://littlesvr.ca/apng/gif_apng_webp.html) + +## Author + +[Bogdan Poplauschi](https://github.com/bpoplauschi) +[DreamPiggy](https://github.com/dreampiggy) + +## License + +SDWebImageWebPCoder is available under the MIT license. See [the LICENSE file](https://github.com/SDWebImage/SDWebImageWebPCoder/blob/master/LICENSE) for more info. + + diff --git a/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Classes/SDImageWebPCoder.h b/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Classes/SDImageWebPCoder.h new file mode 100644 index 0000000..7629ded --- /dev/null +++ b/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Classes/SDImageWebPCoder.h @@ -0,0 +1,22 @@ +/* + * This file is part of the SDWebImage package. + * (c) Olivier Poitrey + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +#if __has_include() +#import +#else +@import SDWebImage; +#endif + +/** + Built in coder that supports WebP and animated WebP + */ +@interface SDImageWebPCoder : NSObject + +@property (nonatomic, class, readonly, nonnull) SDImageWebPCoder *sharedCoder; + +@end diff --git a/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Classes/SDImageWebPCoder.m b/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Classes/SDImageWebPCoder.m new file mode 100644 index 0000000..ebf7dcb --- /dev/null +++ b/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Classes/SDImageWebPCoder.m @@ -0,0 +1,1230 @@ +/* + * This file is part of the SDWebImage package. + * (c) Olivier Poitrey + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +#import "SDImageWebPCoder.h" +#import "SDWebImageWebPCoderDefine.h" +#import +#import +#import + +#if __has_include("webp/decode.h") && __has_include("webp/encode.h") && __has_include("webp/demux.h") && __has_include("webp/mux.h") +#import "webp/decode.h" +#import "webp/encode.h" +#import "webp/demux.h" +#import "webp/mux.h" +#elif __has_include() && __has_include() && __has_include() && __has_include() +#import +#import +#import +#import +#else +@import libwebp; +#endif + +#define SD_USE_OS_UNFAIR_LOCK TARGET_OS_MACCATALYST ||\ + (__IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_10_0) ||\ + (__MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_12) ||\ + (__TV_OS_VERSION_MIN_REQUIRED >= __TVOS_10_0) ||\ + (__WATCH_OS_VERSION_MIN_REQUIRED >= __WATCHOS_3_0) + +#ifndef SD_LOCK_DECLARE +#if SD_USE_OS_UNFAIR_LOCK +#define SD_LOCK_DECLARE(lock) os_unfair_lock lock +#else +#define SD_LOCK_DECLARE(lock) os_unfair_lock lock API_AVAILABLE(ios(10.0), tvos(10), watchos(3), macos(10.12)); \ +OSSpinLock lock##_deprecated; +#endif +#endif + +#ifndef SD_LOCK_INIT +#if SD_USE_OS_UNFAIR_LOCK +#define SD_LOCK_INIT(lock) lock = OS_UNFAIR_LOCK_INIT +#else +#define SD_LOCK_INIT(lock) if (@available(iOS 10, tvOS 10, watchOS 3, macOS 10.12, *)) lock = OS_UNFAIR_LOCK_INIT; \ +else lock##_deprecated = OS_SPINLOCK_INIT; +#endif +#endif + +#ifndef SD_LOCK +#if SD_USE_OS_UNFAIR_LOCK +#define SD_LOCK(lock) os_unfair_lock_lock(&lock) +#else +#define SD_LOCK(lock) if (@available(iOS 10, tvOS 10, watchOS 3, macOS 10.12, *)) os_unfair_lock_lock(&lock); \ +else OSSpinLockLock(&lock##_deprecated); +#endif +#endif + +#ifndef SD_UNLOCK +#if SD_USE_OS_UNFAIR_LOCK +#define SD_UNLOCK(lock) os_unfair_lock_unlock(&lock) +#else +#define SD_UNLOCK(lock) if (@available(iOS 10, tvOS 10, watchOS 3, macOS 10.12, *)) os_unfair_lock_unlock(&lock); \ +else OSSpinLockUnlock(&lock##_deprecated); +#endif +#endif + +@interface SDWebPCoderFrame : NSObject + +@property (nonatomic, assign) NSUInteger index; // Frame index (zero based) +@property (nonatomic, assign) NSTimeInterval duration; // Frame duration in seconds +@property (nonatomic, assign) NSUInteger width; // Frame width +@property (nonatomic, assign) NSUInteger height; // Frame height +@property (nonatomic, assign) NSUInteger offsetX; // Frame origin.x in canvas (left-bottom based) +@property (nonatomic, assign) NSUInteger offsetY; // Frame origin.y in canvas (left-bottom based) +@property (nonatomic, assign) BOOL hasAlpha; // Whether frame contains alpha +@property (nonatomic, assign) BOOL isFullSize; // Whether frame size is equal to canvas size +@property (nonatomic, assign) BOOL shouldBlend; // Frame dispose method +@property (nonatomic, assign) BOOL shouldDispose; // Frame blend operation +@property (nonatomic, assign) NSUInteger blendFromIndex; // The nearest previous frame index which blend mode is WEBP_MUX_BLEND + +@end + +@implementation SDWebPCoderFrame +@end + +@implementation SDImageWebPCoder { + WebPIDecoder *_idec; + WebPDemuxer *_demux; + NSData *_imageData; + CGFloat _scale; + NSUInteger _loopCount; + NSUInteger _frameCount; + NSArray *_frames; + CGContextRef _canvas; + CGColorSpaceRef _colorSpace; + BOOL _hasAnimation; + BOOL _hasAlpha; + BOOL _finished; + CGFloat _canvasWidth; + CGFloat _canvasHeight; + SD_LOCK_DECLARE(_lock); + NSUInteger _currentBlendIndex; + BOOL _preserveAspectRatio; + CGSize _thumbnailSize; +} + +- (void)dealloc { + if (_idec) { + WebPIDelete(_idec); + _idec = NULL; + } + if (_demux) { + WebPDemuxDelete(_demux); + _demux = NULL; + } + if (_canvas) { + CGContextRelease(_canvas); + _canvas = NULL; + } + if (_colorSpace) { + CGColorSpaceRelease(_colorSpace); + _colorSpace = NULL; + } +} + ++ (instancetype)sharedCoder { + static SDImageWebPCoder *coder; + static dispatch_once_t onceToken; + dispatch_once(&onceToken, ^{ + coder = [[SDImageWebPCoder alloc] init]; + }); + return coder; +} + +#pragma mark - Decode +- (BOOL)canDecodeFromData:(nullable NSData *)data { + return ([NSData sd_imageFormatForImageData:data] == SDImageFormatWebP); +} + +- (BOOL)canIncrementalDecodeFromData:(NSData *)data { + return ([NSData sd_imageFormatForImageData:data] == SDImageFormatWebP); +} + +- (UIImage *)decodedImageWithData:(NSData *)data options:(nullable SDImageCoderOptions *)options { + if (!data) { + return nil; + } + + WebPData webpData; + WebPDataInit(&webpData); + webpData.bytes = data.bytes; + webpData.size = data.length; + WebPDemuxer *demuxer = WebPDemux(&webpData); + if (!demuxer) { + return nil; + } + + uint32_t flags = WebPDemuxGetI(demuxer, WEBP_FF_FORMAT_FLAGS); + BOOL hasAnimation = flags & ANIMATION_FLAG; + BOOL decodeFirstFrame = [options[SDImageCoderDecodeFirstFrameOnly] boolValue]; + CGFloat scale = 1; + NSNumber *scaleFactor = options[SDImageCoderDecodeScaleFactor]; + if (scaleFactor != nil) { + scale = [scaleFactor doubleValue]; + if (scale < 1) { + scale = 1; + } + } + + CGSize thumbnailSize = CGSizeZero; + NSValue *thumbnailSizeValue = options[SDImageCoderDecodeThumbnailPixelSize]; + if (thumbnailSizeValue != nil) { +#if SD_MAC + thumbnailSize = thumbnailSizeValue.sizeValue; +#else + thumbnailSize = thumbnailSizeValue.CGSizeValue; +#endif + } + + BOOL preserveAspectRatio = YES; + NSNumber *preserveAspectRatioValue = options[SDImageCoderDecodePreserveAspectRatio]; + if (preserveAspectRatioValue != nil) { + preserveAspectRatio = preserveAspectRatioValue.boolValue; + } + + // for animated webp image + WebPIterator iter; + // libwebp's index start with 1 + if (!WebPDemuxGetFrame(demuxer, 1, &iter)) { + WebPDemuxReleaseIterator(&iter); + WebPDemuxDelete(demuxer); + return nil; + } + CGColorSpaceRef colorSpace = [self sd_createColorSpaceWithDemuxer:demuxer]; + int canvasWidth = WebPDemuxGetI(demuxer, WEBP_FF_CANVAS_WIDTH); + int canvasHeight = WebPDemuxGetI(demuxer, WEBP_FF_CANVAS_HEIGHT); + // Check whether we need to use thumbnail + CGSize scaledSize = [SDImageCoderHelper scaledSizeWithImageSize:CGSizeMake(canvasWidth, canvasHeight) scaleSize:thumbnailSize preserveAspectRatio:preserveAspectRatio shouldScaleUp:NO]; + + if (!hasAnimation || decodeFirstFrame) { + // first frame for animated webp image + CGImageRef imageRef = [self sd_createWebpImageWithData:iter.fragment colorSpace:colorSpace scaledSize:scaledSize]; + CGColorSpaceRelease(colorSpace); +#if SD_UIKIT || SD_WATCH + UIImage *firstFrameImage = [[UIImage alloc] initWithCGImage:imageRef scale:scale orientation:UIImageOrientationUp]; +#else + UIImage *firstFrameImage = [[UIImage alloc] initWithCGImage:imageRef scale:scale orientation:kCGImagePropertyOrientationUp]; +#endif + firstFrameImage.sd_imageFormat = SDImageFormatWebP; + CGImageRelease(imageRef); + WebPDemuxReleaseIterator(&iter); + WebPDemuxDelete(demuxer); + return firstFrameImage; + } + + BOOL hasAlpha = flags & ALPHA_FLAG; + CGBitmapInfo bitmapInfo = kCGBitmapByteOrder32Host; + bitmapInfo |= hasAlpha ? kCGImageAlphaPremultipliedFirst : kCGImageAlphaNoneSkipFirst; + CGContextRef canvas = CGBitmapContextCreate(NULL, canvasWidth, canvasHeight, 8, 0, [SDImageCoderHelper colorSpaceGetDeviceRGB], bitmapInfo); + if (!canvas) { + WebPDemuxDelete(demuxer); + CGColorSpaceRelease(colorSpace); + return nil; + } + + int loopCount = WebPDemuxGetI(demuxer, WEBP_FF_LOOP_COUNT); + NSMutableArray *frames = [NSMutableArray array]; + + do { + @autoreleasepool { + CGImageRef imageRef = [self sd_drawnWebpImageWithCanvas:canvas iterator:iter colorSpace:colorSpace scaledSize:scaledSize]; + if (!imageRef) { + continue; + } + +#if SD_UIKIT || SD_WATCH + UIImage *image = [[UIImage alloc] initWithCGImage:imageRef scale:scale orientation:UIImageOrientationUp]; +#else + UIImage *image = [[UIImage alloc] initWithCGImage:imageRef scale:scale orientation:kCGImagePropertyOrientationUp]; +#endif + CGImageRelease(imageRef); + + NSTimeInterval duration = [self sd_frameDurationWithIterator:iter]; + SDImageFrame *frame = [SDImageFrame frameWithImage:image duration:duration]; + [frames addObject:frame]; + } + + } while (WebPDemuxNextFrame(&iter)); + + WebPDemuxReleaseIterator(&iter); + WebPDemuxDelete(demuxer); + CGContextRelease(canvas); + CGColorSpaceRelease(colorSpace); + + UIImage *animatedImage = [SDImageCoderHelper animatedImageWithFrames:frames]; + animatedImage.sd_imageLoopCount = loopCount; + animatedImage.sd_imageFormat = SDImageFormatWebP; + + return animatedImage; +} + +#pragma mark - Progressive Decode +- (instancetype)initIncrementalWithOptions:(nullable SDImageCoderOptions *)options { + self = [super init]; + if (self) { + // Progressive images need transparent, so always use premultiplied BGRA + _idec = WebPINewRGB(MODE_bgrA, NULL, 0, 0); + CGFloat scale = 1; + NSNumber *scaleFactor = options[SDImageCoderDecodeScaleFactor]; + if (scaleFactor != nil) { + scale = [scaleFactor doubleValue]; + if (scale < 1) { + scale = 1; + } + } + _scale = scale; + CGSize thumbnailSize = CGSizeZero; + NSValue *thumbnailSizeValue = options[SDImageCoderDecodeThumbnailPixelSize]; + if (thumbnailSizeValue != nil) { + #if SD_MAC + thumbnailSize = thumbnailSizeValue.sizeValue; + #else + thumbnailSize = thumbnailSizeValue.CGSizeValue; + #endif + } + _thumbnailSize = thumbnailSize; + BOOL preserveAspectRatio = YES; + NSNumber *preserveAspectRatioValue = options[SDImageCoderDecodePreserveAspectRatio]; + if (preserveAspectRatioValue != nil) { + preserveAspectRatio = preserveAspectRatioValue.boolValue; + } + _preserveAspectRatio = preserveAspectRatio; + _currentBlendIndex = NSNotFound; + SD_LOCK_INIT(_lock); + } + return self; +} + +- (void)updateIncrementalData:(NSData *)data finished:(BOOL)finished { + if (_finished) { + return; + } + _finished = finished; + // check whether we can detect Animated WebP or Static WebP, they need different codec (Demuxer or IDecoder) + if (!_hasAnimation) { + _imageData = [data copy]; + VP8StatusCode status = WebPIUpdate(_idec, _imageData.bytes, _imageData.length); + // For Static WebP, all things done. + // For Animated WebP (currently use `VP8_STATUS_UNSUPPORTED_FEATURE` to check), continue to create demuxer + if (status != VP8_STATUS_UNSUPPORTED_FEATURE) { + return; + } + _hasAnimation = YES; + } + // libwebp current have no API to update demuxer, so we always delete and recreate demuxer + // Use lock to avoid progressive animation decoding thread safe issue + SD_LOCK(_lock); + if (_demux) { + // next line `_imageData = nil` ARC will release the raw buffer, but need release the demuxer firstly because libwebp don't use retain/release rule + WebPDemuxDelete(_demux); + _demux = NULL; + } + _imageData = [data copy]; + WebPData webpData; + WebPDataInit(&webpData); + webpData.bytes = _imageData.bytes; + webpData.size = _imageData.length; + WebPDemuxState state; + _demux = WebPDemuxPartial(&webpData, &state); + if (_demux && state != WEBP_DEMUX_PARSE_ERROR) { + [self scanAndCheckFramesValidWithDemuxer:_demux]; + } + SD_UNLOCK(_lock); +} + +- (UIImage *)incrementalDecodedImageWithOptions:(SDImageCoderOptions *)options { + UIImage *image; + + // For Animated WebP Images, progressive decoding only return the first frame. + // If you want progressive animation, use the SDAniamtedCoder protocol method instead. + if (_demux) { + SD_LOCK(_lock); + image = [self safeStaticImageFrame]; + SD_UNLOCK(_lock); + image.sd_imageFormat = SDImageFormatWebP; + image.sd_isDecoded = YES; + return image; + } + + // For Static WebP images + int width = 0; + int height = 0; + int last_y = 0; + int stride = 0; + uint8_t *rgba = WebPIDecGetRGB(_idec, &last_y, &width, &height, &stride); + // last_y may be 0, means no enough bitmap data to decode, ignore this + if (width + height > 0 && last_y > 0 && height >= last_y) { + // Construct a UIImage from the decoded RGBA value array + size_t rgbaSize = last_y * stride; + CGDataProviderRef provider = + CGDataProviderCreateWithData(NULL, rgba, rgbaSize, NULL); + CGColorSpaceRef colorSpaceRef = [SDImageCoderHelper colorSpaceGetDeviceRGB]; + + CGBitmapInfo bitmapInfo = kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst; + size_t components = 4; + CGColorRenderingIntent renderingIntent = kCGRenderingIntentDefault; + // Why to use last_y for image height is because of libwebp's bug (https://bugs.chromium.org/p/webp/issues/detail?id=362) + // It will not keep memory barrier safe on x86 architechure (macOS & iPhone simulator) but on ARM architecture (iPhone & iPad & tv & watch) it works great + // If different threads use WebPIDecGetRGB to grab rgba bitmap, it will contain the previous decoded bitmap data + // So this will cause our drawed image looks strange(above is the current part but below is the previous part) + // We only grab the last_y height and draw the last_y height instead of total height image + // Besides fix, this can enhance performance since we do not need to create extra bitmap + CGImageRef imageRef = CGImageCreate(width, last_y, 8, components * 8, components * width, colorSpaceRef, bitmapInfo, provider, NULL, NO, renderingIntent); + + CGDataProviderRelease(provider); + + if (!imageRef) { + return nil; + } + + CGContextRef canvas = CGBitmapContextCreate(NULL, width, height, 8, 0, [SDImageCoderHelper colorSpaceGetDeviceRGB], bitmapInfo); + if (!canvas) { + CGImageRelease(imageRef); + return nil; + } + + // Only draw the last_y image height, keep remains transparent, in Core Graphics coordinate system + CGContextDrawImage(canvas, CGRectMake(0, height - last_y, width, last_y), imageRef); + CGImageRef newImageRef = CGBitmapContextCreateImage(canvas); + CGImageRelease(imageRef); + if (!newImageRef) { + CGContextRelease(canvas); + return nil; + } + CGFloat scale = _scale; + NSNumber *scaleFactor = options[SDImageCoderDecodeScaleFactor]; + if (scaleFactor != nil) { + scale = [scaleFactor doubleValue]; + if (scale < 1) { + scale = 1; + } + } + CGSize scaledSize = [SDImageCoderHelper scaledSizeWithImageSize:CGSizeMake(width, height) scaleSize:_thumbnailSize preserveAspectRatio:_preserveAspectRatio shouldScaleUp:NO]; + // Check whether we need to use thumbnail + if (!CGSizeEqualToSize(CGSizeMake(width, height), scaledSize)) { + CGImageRef scaledImageRef = [SDImageCoderHelper CGImageCreateScaled:newImageRef size:scaledSize]; + CGImageRelease(newImageRef); + newImageRef = scaledImageRef; + } + +#if SD_UIKIT || SD_WATCH + image = [[UIImage alloc] initWithCGImage:newImageRef scale:scale orientation:UIImageOrientationUp]; +#else + image = [[UIImage alloc] initWithCGImage:newImageRef scale:scale orientation:kCGImagePropertyOrientationUp]; +#endif + image.sd_isDecoded = YES; // Already drawn on bitmap context above + image.sd_imageFormat = SDImageFormatWebP; + CGImageRelease(newImageRef); + CGContextRelease(canvas); + } + + return image; +} + +- (void)sd_blendWebpImageWithCanvas:(CGContextRef)canvas iterator:(WebPIterator)iter colorSpace:(nonnull CGColorSpaceRef)colorSpaceRef { + size_t canvasHeight = CGBitmapContextGetHeight(canvas); + CGFloat tmpX = iter.x_offset; + CGFloat tmpY = canvasHeight - iter.height - iter.y_offset; + CGRect imageRect = CGRectMake(tmpX, tmpY, iter.width, iter.height); + + if (iter.dispose_method == WEBP_MUX_DISPOSE_BACKGROUND) { + CGContextClearRect(canvas, imageRect); + } else { + CGImageRef imageRef = [self sd_createWebpImageWithData:iter.fragment colorSpace:colorSpaceRef scaledSize:CGSizeZero]; + if (!imageRef) { + return; + } + BOOL shouldBlend = iter.blend_method == WEBP_MUX_BLEND; + // If not blend, cover the target image rect. (firstly clear then draw) + if (!shouldBlend) { + CGContextClearRect(canvas, imageRect); + } + CGContextDrawImage(canvas, imageRect, imageRef); + CGImageRelease(imageRef); + } +} + +- (nullable CGImageRef)sd_drawnWebpImageWithCanvas:(CGContextRef)canvas iterator:(WebPIterator)iter colorSpace:(nonnull CGColorSpaceRef)colorSpaceRef scaledSize:(CGSize)scaledSize CF_RETURNS_RETAINED { + CGImageRef imageRef = [self sd_createWebpImageWithData:iter.fragment colorSpace:colorSpaceRef scaledSize:CGSizeZero]; + if (!imageRef) { + return nil; + } + + size_t canvasWidth = CGBitmapContextGetWidth(canvas); + size_t canvasHeight = CGBitmapContextGetHeight(canvas); + CGFloat tmpX = iter.x_offset; + CGFloat tmpY = canvasHeight - iter.height - iter.y_offset; + CGRect imageRect = CGRectMake(tmpX, tmpY, iter.width, iter.height); + + BOOL shouldBlend = iter.blend_method == WEBP_MUX_BLEND; + + // If not blend, cover the target image rect. (firstly clear then draw) + if (!shouldBlend) { + CGContextClearRect(canvas, imageRect); + } + CGContextDrawImage(canvas, imageRect, imageRef); + CGImageRef newImageRef = CGBitmapContextCreateImage(canvas); + + CGImageRelease(imageRef); + + if (iter.dispose_method == WEBP_MUX_DISPOSE_BACKGROUND) { + CGContextClearRect(canvas, imageRect); + } + + // Check whether we need to use thumbnail + if (!CGSizeEqualToSize(CGSizeMake(canvasWidth, canvasHeight), scaledSize)) { + // Important: For Animated WebP thumbnail generation, we can not just use a scaled small canvas and draw each thumbnail frame + // This works **On Theory**. However, image scale down loss details. Animated WebP use the partial pixels with blend mode / dispose method with offset, to cover previous canvas status + // Because of this reason, even each frame contains small zigzag, the final animation contains visible glitch, this is not we want. + // So, always create the full pixels canvas (even though this consume more RAM), after drawn on the canvas, re-scale again with the final size + CGImageRef scaledImageRef = [SDImageCoderHelper CGImageCreateScaled:newImageRef size:scaledSize]; + CGImageRelease(newImageRef); + newImageRef = scaledImageRef; + } + + return newImageRef; +} + +- (nullable CGImageRef)sd_createWebpImageWithData:(WebPData)webpData colorSpace:(nonnull CGColorSpaceRef)colorSpaceRef scaledSize:(CGSize)scaledSize CF_RETURNS_RETAINED { + WebPDecoderConfig config; + if (!WebPInitDecoderConfig(&config)) { + return nil; + } + + if (WebPGetFeatures(webpData.bytes, webpData.size, &config.input) != VP8_STATUS_OK) { + return nil; + } + + BOOL hasAlpha = config.input.has_alpha; + // iOS prefer BGRA8888 (premultiplied) or BGRX8888 bitmapInfo for screen rendering, which is same as `UIGraphicsBeginImageContext()` or `- [CALayer drawInContext:]` + // use this bitmapInfo, combined with right colorspace, even without decode, can still avoid extra CA::Render::copy_image(which marked `Color Copied Images` from Instruments) + CGBitmapInfo bitmapInfo = kCGBitmapByteOrder32Host; + bitmapInfo |= hasAlpha ? kCGImageAlphaPremultipliedFirst : kCGImageAlphaNoneSkipFirst; + config.options.use_threads = 1; + config.output.colorspace = MODE_bgrA; + + // Use scaling for thumbnail + if (scaledSize.width != 0 && scaledSize.height != 0) { + config.options.use_scaling = 1; + config.options.scaled_width = scaledSize.width; + config.options.scaled_height = scaledSize.height; + } + + // Decode the WebP image data into a RGBA value array + if (WebPDecode(webpData.bytes, webpData.size, &config) != VP8_STATUS_OK) { + return nil; + } + + // Construct a UIImage from the decoded RGBA value array + CGDataProviderRef provider = + CGDataProviderCreateWithData(NULL, config.output.u.RGBA.rgba, config.output.u.RGBA.size, FreeImageData); + size_t bitsPerComponent = 8; + size_t bitsPerPixel = 32; + size_t bytesPerRow = config.output.u.RGBA.stride; + size_t width = config.output.width; + size_t height = config.output.height; + CGColorRenderingIntent renderingIntent = kCGRenderingIntentDefault; + CGImageRef imageRef = CGImageCreate(width, height, bitsPerComponent, bitsPerPixel, bytesPerRow, colorSpaceRef, bitmapInfo, provider, NULL, NO, renderingIntent); + + CGDataProviderRelease(provider); + + return imageRef; +} + +- (NSTimeInterval)sd_frameDurationWithIterator:(WebPIterator)iter { + int duration = iter.duration; + if (duration <= 10) { + // WebP standard says 0 duration is used for canvas updating but not showing image, but actually Chrome and other implementations set it to 100ms if duration is lower or equal than 10ms + // Some animated WebP images also created without duration, we should keep compatibility + duration = 100; + } + return duration / 1000.0; +} + +// Create and return the correct colorspace by checking the ICC Profile +- (nonnull CGColorSpaceRef)sd_createColorSpaceWithDemuxer:(nonnull WebPDemuxer *)demuxer CF_RETURNS_RETAINED { + // WebP contains ICC Profile should use the desired colorspace, instead of default device colorspace + // See: https://developers.google.com/speed/webp/docs/riff_container#color_profile + + CGColorSpaceRef colorSpaceRef = NULL; + uint32_t flags = WebPDemuxGetI(demuxer, WEBP_FF_FORMAT_FLAGS); + + if (flags & ICCP_FLAG) { + WebPChunkIterator chunk_iter; + int result = WebPDemuxGetChunk(demuxer, "ICCP", 1, &chunk_iter); + if (result) { + // See #2618, the `CGColorSpaceCreateWithICCProfile` does not copy ICC Profile data, it only retain `CFDataRef`. + // When the libwebp `WebPDemuxer` dealloc, all chunks will be freed. So we must copy the ICC data (really cheap, less than 10KB) + NSData *profileData = [NSData dataWithBytes:chunk_iter.chunk.bytes length:chunk_iter.chunk.size]; + if (@available(iOS 10, tvOS 10, macOS 10.12, watchOS 3, *)) { + colorSpaceRef = CGColorSpaceCreateWithICCData((__bridge CFDataRef)profileData); + } else { + colorSpaceRef = CGColorSpaceCreateWithICCProfile((__bridge CFDataRef)profileData); + } + WebPDemuxReleaseChunkIterator(&chunk_iter); + if (colorSpaceRef) { + // We use RGB color model to decode WebP images currently, so we must filter out other colorSpace + CGColorSpaceModel model = CGColorSpaceGetModel(colorSpaceRef); + if (model != kCGColorSpaceModelRGB) { + CGColorSpaceRelease(colorSpaceRef); + colorSpaceRef = NULL; + } + } + } + } + + if (!colorSpaceRef) { + colorSpaceRef = [SDImageCoderHelper colorSpaceGetDeviceRGB]; + CGColorSpaceRetain(colorSpaceRef); + } + + return colorSpaceRef; +} + +#pragma mark - Encode +- (BOOL)canEncodeToFormat:(SDImageFormat)format { + return (format == SDImageFormatWebP); +} + +- (NSData *)encodedDataWithImage:(UIImage *)image format:(SDImageFormat)format options:(nullable SDImageCoderOptions *)options { + if (!image) { + return nil; + } + + NSData *data; + + double compressionQuality = 1; + if (options[SDImageCoderEncodeCompressionQuality]) { + compressionQuality = [options[SDImageCoderEncodeCompressionQuality] doubleValue]; + } + CGSize maxPixelSize = CGSizeZero; + NSValue *maxPixelSizeValue = options[SDImageCoderEncodeMaxPixelSize]; + if (maxPixelSizeValue != nil) { +#if SD_MAC + maxPixelSize = maxPixelSizeValue.sizeValue; +#else + maxPixelSize = maxPixelSizeValue.CGSizeValue; +#endif + } + NSUInteger maxFileSize = 0; + if (options[SDImageCoderEncodeMaxFileSize]) { + maxFileSize = [options[SDImageCoderEncodeMaxFileSize] unsignedIntegerValue]; + } + NSArray *frames = [SDImageCoderHelper framesFromAnimatedImage:image]; + + BOOL encodeFirstFrame = [options[SDImageCoderEncodeFirstFrameOnly] boolValue]; + if (encodeFirstFrame || frames.count == 0) { + // for static single webp image + data = [self sd_encodedWebpDataWithImage:image.CGImage + quality:compressionQuality + maxPixelSize:maxPixelSize + maxFileSize:maxFileSize + options:options]; + } else { + // for animated webp image + WebPMux *mux = WebPMuxNew(); + if (!mux) { + return nil; + } + for (size_t i = 0; i < frames.count; i++) { + SDImageFrame *currentFrame = frames[i]; + NSData *webpData = [self sd_encodedWebpDataWithImage:currentFrame.image.CGImage + quality:compressionQuality + maxPixelSize:maxPixelSize + maxFileSize:maxFileSize + options:options]; + int duration = currentFrame.duration * 1000; + WebPMuxFrameInfo frame = { .bitstream.bytes = webpData.bytes, + .bitstream.size = webpData.length, + .duration = duration, + .id = WEBP_CHUNK_ANMF, + .dispose_method = WEBP_MUX_DISPOSE_BACKGROUND, // each frame will clear canvas + .blend_method = WEBP_MUX_NO_BLEND + }; + if (WebPMuxPushFrame(mux, &frame, 0) != WEBP_MUX_OK) { + WebPMuxDelete(mux); + return nil; + } + } + + int loopCount = (int)image.sd_imageLoopCount; + WebPMuxAnimParams params = { .bgcolor = 0, + .loop_count = loopCount + }; + if (WebPMuxSetAnimationParams(mux, ¶ms) != WEBP_MUX_OK) { + WebPMuxDelete(mux); + return nil; + } + + WebPData outputData; + WebPMuxError error = WebPMuxAssemble(mux, &outputData); + WebPMuxDelete(mux); + if (error != WEBP_MUX_OK) { + return nil; + } + data = [NSData dataWithBytes:outputData.bytes length:outputData.size]; + WebPDataClear(&outputData); + } + + return data; +} + +- (nullable NSData *)sd_encodedWebpDataWithImage:(nullable CGImageRef)imageRef + quality:(double)quality + maxPixelSize:(CGSize)maxPixelSize + maxFileSize:(NSUInteger)maxFileSize + options:(nullable SDImageCoderOptions *)options +{ + NSData *webpData; + if (!imageRef) { + return nil; + } + + size_t width = CGImageGetWidth(imageRef); + size_t height = CGImageGetHeight(imageRef); + if (width == 0 || width > WEBP_MAX_DIMENSION) { + return nil; + } + if (height == 0 || height > WEBP_MAX_DIMENSION) { + return nil; + } + + size_t bytesPerRow = CGImageGetBytesPerRow(imageRef); + size_t bitsPerComponent = CGImageGetBitsPerComponent(imageRef); + size_t bitsPerPixel = CGImageGetBitsPerPixel(imageRef); + size_t components = bitsPerPixel / bitsPerComponent; + CGBitmapInfo bitmapInfo = CGImageGetBitmapInfo(imageRef); + CGImageAlphaInfo alphaInfo = bitmapInfo & kCGBitmapAlphaInfoMask; + CGBitmapInfo byteOrderInfo = bitmapInfo & kCGBitmapByteOrderMask; + BOOL hasAlpha = !(alphaInfo == kCGImageAlphaNone || + alphaInfo == kCGImageAlphaNoneSkipFirst || + alphaInfo == kCGImageAlphaNoneSkipLast); + BOOL byteOrderNormal = NO; + switch (byteOrderInfo) { + case kCGBitmapByteOrderDefault: { + byteOrderNormal = YES; + } break; + case kCGBitmapByteOrder32Little: { + } break; + case kCGBitmapByteOrder32Big: { + byteOrderNormal = YES; + } break; + default: break; + } + // If we can not get bitmap buffer, early return + CGDataProviderRef dataProvider = CGImageGetDataProvider(imageRef); + if (!dataProvider) { + return nil; + } + // Check colorSpace is RGB/RGBA + CGColorSpaceRef colorSpace = CGImageGetColorSpace(imageRef); + BOOL isRGB = CGColorSpaceGetModel(colorSpace) == kCGColorSpaceModelRGB; + + CFDataRef dataRef; + uint8_t *rgba = NULL; // RGBA Buffer managed by CFData, don't call `free` on it, instead call `CFRelease` on `dataRef` + // We could not assume that input CGImage's color mode is always RGB888/RGBA8888. Convert all other cases to target color mode using vImage + BOOL isRGB888 = isRGB && byteOrderNormal && alphaInfo == kCGImageAlphaNone && components == 3; + BOOL isRGBA8888 = isRGB && byteOrderNormal && alphaInfo == kCGImageAlphaLast && components == 4; + if (isRGB888 || isRGBA8888) { + // If the input CGImage is already RGB888/RGBA8888 + dataRef = CGDataProviderCopyData(dataProvider); + if (!dataRef) { + return nil; + } + rgba = (uint8_t *)CFDataGetBytePtr(dataRef); + } else { + // Convert all other cases to target color mode using vImage + vImageConverterRef convertor = NULL; + vImage_Error error = kvImageNoError; + + vImage_CGImageFormat srcFormat = { + .bitsPerComponent = (uint32_t)bitsPerComponent, + .bitsPerPixel = (uint32_t)bitsPerPixel, + .colorSpace = colorSpace, + .bitmapInfo = bitmapInfo, + .renderingIntent = CGImageGetRenderingIntent(imageRef) + }; + vImage_CGImageFormat destFormat = { + .bitsPerComponent = 8, + .bitsPerPixel = hasAlpha ? 32 : 24, + .colorSpace = [SDImageCoderHelper colorSpaceGetDeviceRGB], + .bitmapInfo = hasAlpha ? kCGImageAlphaLast | kCGBitmapByteOrderDefault : kCGImageAlphaNone | kCGBitmapByteOrderDefault // RGB888/RGBA8888 (Non-premultiplied to works for libwebp) + }; + + convertor = vImageConverter_CreateWithCGImageFormat(&srcFormat, &destFormat, NULL, kvImageNoFlags, &error); + if (error != kvImageNoError) { + return nil; + } + + vImage_Buffer src; + error = vImageBuffer_InitWithCGImage(&src, &srcFormat, nil, imageRef, kvImageNoFlags); + if (error != kvImageNoError) { + vImageConverter_Release(convertor); + return nil; + } + + vImage_Buffer dest; + error = vImageBuffer_Init(&dest, height, width, destFormat.bitsPerPixel, kvImageNoFlags); + if (error != kvImageNoError) { + vImageConverter_Release(convertor); + free(src.data); + return nil; + } + + // Convert input color mode to RGB888/RGBA8888 + error = vImageConvert_AnyToAny(convertor, &src, &dest, NULL, kvImageNoFlags); + + // Free the buffer + free(src.data); + vImageConverter_Release(convertor); + if (error != kvImageNoError) { + free(dest.data); + return nil; + } + + rgba = dest.data; // Converted buffer + bytesPerRow = dest.rowBytes; // Converted bytePerRow + dataRef = CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, rgba, bytesPerRow * height, kCFAllocatorDefault); + } + + float qualityFactor = quality * 100; // WebP quality is 0-100 + // Encode RGB888/RGBA8888 buffer to WebP data + // Using the libwebp advanced API: https://developers.google.com/speed/webp/docs/api#advanced_encoding_api + WebPConfig config; + WebPPicture picture; + WebPMemoryWriter writer; + + if (!WebPConfigPreset(&config, WEBP_PRESET_DEFAULT, qualityFactor) || + !WebPPictureInit(&picture)) { + // shouldn't happen, except if system installation is broken + CFRelease(dataRef); + return nil; + } + + [self updateWebPOptionsToConfig:&config maxFileSize:maxFileSize options:options]; + picture.use_argb = 0; // Lossy encoding use YUV for internel bitstream + picture.width = (int)width; + picture.height = (int)height; + picture.writer = WebPMemoryWrite; // Output in memory data buffer + picture.custom_ptr = &writer; + WebPMemoryWriterInit(&writer); + + int result; + if (hasAlpha) { + result = WebPPictureImportRGBA(&picture, rgba, (int)bytesPerRow); + } else { + result = WebPPictureImportRGB(&picture, rgba, (int)bytesPerRow); + } + if (!result) { + WebPMemoryWriterClear(&writer); + CFRelease(dataRef); + return nil; + } + + // Check if need to scale pixel size + CGSize scaledSize = [SDImageCoderHelper scaledSizeWithImageSize:CGSizeMake(width, height) scaleSize:maxPixelSize preserveAspectRatio:YES shouldScaleUp:NO]; + if (!CGSizeEqualToSize(scaledSize, CGSizeMake(width, height))) { + result = WebPPictureRescale(&picture, scaledSize.width, scaledSize.height); + if (!result) { + WebPMemoryWriterClear(&writer); + WebPPictureFree(&picture); + CFRelease(dataRef); + return nil; + } + } + + result = WebPEncode(&config, &picture); + WebPPictureFree(&picture); + CFRelease(dataRef); // Free bitmap buffer + + if (result) { + // success + webpData = [NSData dataWithBytes:writer.mem length:writer.size]; + } else { + // failed + webpData = nil; + } + WebPMemoryWriterClear(&writer); + + return webpData; +} + +- (void) updateWebPOptionsToConfig:(WebPConfig * _Nonnull)config + maxFileSize:(NSUInteger)maxFileSize + options:(nullable SDImageCoderOptions *)options { + + config->target_size = (int)maxFileSize; // Max filesize for output, 0 means use quality instead + config->pass = maxFileSize > 0 ? 6 : 1; // Use 6 passes for file size limited encoding, which is the default value of `cwebp` command line + config->lossless = 0; // Disable lossless encoding (If we need, can add new Encoding Options in future version) + + config->method = GetIntValueForKey(options, SDImageCoderEncodeWebPMethod, config->method); + config->pass = GetIntValueForKey(options, SDImageCoderEncodeWebPPass, config->pass); + config->preprocessing = GetIntValueForKey(options, SDImageCoderEncodeWebPPreprocessing, config->preprocessing); + config->thread_level = GetIntValueForKey(options, SDImageCoderEncodeWebPThreadLevel, 1); + config->low_memory = GetIntValueForKey(options, SDImageCoderEncodeWebPLowMemory, config->low_memory); + config->target_PSNR = GetFloatValueForKey(options, SDImageCoderEncodeWebPTargetPSNR, config->target_PSNR); + config->segments = GetIntValueForKey(options, SDImageCoderEncodeWebPSegments, config->segments); + config->sns_strength = GetIntValueForKey(options, SDImageCoderEncodeWebPSnsStrength, config->sns_strength); + config->filter_strength = GetIntValueForKey(options, SDImageCoderEncodeWebPFilterStrength, config->filter_strength); + config->filter_sharpness = GetIntValueForKey(options, SDImageCoderEncodeWebPFilterSharpness, config->filter_sharpness); + config->filter_type = GetIntValueForKey(options, SDImageCoderEncodeWebPFilterType, config->filter_type); + config->autofilter = GetIntValueForKey(options, SDImageCoderEncodeWebPAutofilter, config->autofilter); + config->alpha_compression = GetIntValueForKey(options, SDImageCoderEncodeWebPAlphaCompression, config->alpha_compression); + config->alpha_filtering = GetIntValueForKey(options, SDImageCoderEncodeWebPAlphaFiltering, config->alpha_filtering); + config->alpha_quality = GetIntValueForKey(options, SDImageCoderEncodeWebPAlphaQuality, config->alpha_quality); + config->show_compressed = GetIntValueForKey(options, SDImageCoderEncodeWebPShowCompressed, config->show_compressed); + config->partitions = GetIntValueForKey(options, SDImageCoderEncodeWebPPartitions, config->partitions); + config->partition_limit = GetIntValueForKey(options, SDImageCoderEncodeWebPPartitionLimit, config->partition_limit); + config->use_sharp_yuv = GetIntValueForKey(options, SDImageCoderEncodeWebPUseSharpYuv, config->use_sharp_yuv); +} + +static void FreeImageData(void *info, const void *data, size_t size) { + free((void *)data); +} + +static int GetIntValueForKey(NSDictionary * _Nonnull dictionary, NSString * _Nonnull key, int defaultValue) { + id value = [dictionary objectForKey:key]; + if (value != nil) { + if ([value isKindOfClass: [NSNumber class]]) { + return [value intValue]; + } + } + return defaultValue; +} + +static float GetFloatValueForKey(NSDictionary * _Nonnull dictionary, NSString * _Nonnull key, float defaultValue) { + id value = [dictionary objectForKey:key]; + if (value != nil) { + if ([value isKindOfClass: [NSNumber class]]) { + return [value floatValue]; + } + } + return defaultValue; +} + + +#pragma mark - SDAnimatedImageCoder +- (instancetype)initWithAnimatedImageData:(NSData *)data options:(nullable SDImageCoderOptions *)options { + if (!data) { + return nil; + } + if (self) { + WebPData webpData; + WebPDataInit(&webpData); + webpData.bytes = data.bytes; + webpData.size = data.length; + WebPDemuxer *demuxer = WebPDemux(&webpData); + if (!demuxer) { + return nil; + } + BOOL framesValid = [self scanAndCheckFramesValidWithDemuxer:demuxer]; + if (!framesValid) { + WebPDemuxDelete(demuxer); + return nil; + } + CGFloat scale = 1; + NSNumber *scaleFactor = options[SDImageCoderDecodeScaleFactor]; + if (scaleFactor != nil) { + scale = [scaleFactor doubleValue]; + if (scale < 1) { + scale = 1; + } + } + CGSize thumbnailSize = CGSizeZero; + NSValue *thumbnailSizeValue = options[SDImageCoderDecodeThumbnailPixelSize]; + if (thumbnailSizeValue != nil) { + #if SD_MAC + thumbnailSize = thumbnailSizeValue.sizeValue; + #else + thumbnailSize = thumbnailSizeValue.CGSizeValue; + #endif + } + _thumbnailSize = thumbnailSize; + BOOL preserveAspectRatio = YES; + NSNumber *preserveAspectRatioValue = options[SDImageCoderDecodePreserveAspectRatio]; + if (preserveAspectRatioValue != nil) { + preserveAspectRatio = preserveAspectRatioValue.boolValue; + } + _preserveAspectRatio = preserveAspectRatio; + _scale = scale; + _demux = demuxer; + _imageData = data; + _currentBlendIndex = NSNotFound; + SD_LOCK_INIT(_lock); + } + return self; +} + +- (BOOL)scanAndCheckFramesValidWithDemuxer:(WebPDemuxer *)demuxer { + if (!demuxer) { + return NO; + } + WebPIterator iter; + if (!WebPDemuxGetFrame(demuxer, 1, &iter)) { + WebPDemuxReleaseIterator(&iter); + return NO; + } + + uint32_t iterIndex = 0; + uint32_t lastBlendIndex = 0; + uint32_t flags = WebPDemuxGetI(demuxer, WEBP_FF_FORMAT_FLAGS); + BOOL hasAnimation = flags & ANIMATION_FLAG; + BOOL hasAlpha = flags & ALPHA_FLAG; + int canvasWidth = WebPDemuxGetI(demuxer, WEBP_FF_CANVAS_WIDTH); + int canvasHeight = WebPDemuxGetI(demuxer, WEBP_FF_CANVAS_HEIGHT); + uint32_t frameCount = WebPDemuxGetI(demuxer, WEBP_FF_FRAME_COUNT); + uint32_t loopCount = WebPDemuxGetI(demuxer, WEBP_FF_LOOP_COUNT); + NSMutableArray *frames = [NSMutableArray array]; + + _hasAnimation = hasAnimation; + _hasAlpha = hasAlpha; + _canvasWidth = canvasWidth; + _canvasHeight = canvasHeight; + _loopCount = loopCount; + + // If static WebP, does not need to parse the frame blend index + if (frameCount <= 1) { + return YES; + } + + // We should loop all the frames and scan each frames' blendFromIndex for later decoding, this can also ensure all frames is valid + do { + if (!iter.complete) { + // Skip partial frame + continue; + } + SDWebPCoderFrame *frame = [[SDWebPCoderFrame alloc] init]; + frame.index = iterIndex; + frame.duration = [self sd_frameDurationWithIterator:iter]; + frame.width = iter.width; + frame.height = iter.height; + frame.hasAlpha = iter.has_alpha; + frame.shouldDispose = iter.dispose_method == WEBP_MUX_DISPOSE_BACKGROUND; + frame.shouldBlend = iter.blend_method == WEBP_MUX_BLEND; + frame.offsetX = iter.x_offset; + frame.offsetY = canvasHeight - iter.y_offset - iter.height; + + BOOL sizeEqualsToCanvas = (iter.width == canvasWidth && iter.height == canvasHeight); + BOOL offsetIsZero = (iter.x_offset == 0 && iter.y_offset == 0); + frame.isFullSize = (sizeEqualsToCanvas && offsetIsZero); + + if ((!frame.shouldBlend || !frame.hasAlpha) && frame.isFullSize) { + lastBlendIndex = iterIndex; + frame.blendFromIndex = iterIndex; + } else { + if (frame.shouldDispose && frame.isFullSize) { + frame.blendFromIndex = lastBlendIndex; + lastBlendIndex = iterIndex + 1; + } else { + frame.blendFromIndex = lastBlendIndex; + } + } + iterIndex++; + [frames addObject:frame]; + } while (WebPDemuxNextFrame(&iter)); + WebPDemuxReleaseIterator(&iter); + + if (frames.count != frameCount) { + // frames not match, do not override current value + return NO; + } + _frameCount = frameCount; + _frames = [frames copy]; + + return YES; +} + +- (NSData *)animatedImageData { + return _imageData; +} + +- (NSUInteger)animatedImageLoopCount { + return _loopCount; +} + +- (NSUInteger)animatedImageFrameCount { + return _frameCount; +} + +- (NSTimeInterval)animatedImageDurationAtIndex:(NSUInteger)index { + NSTimeInterval duration; + // Incremental Animation decoding may update frames when new bytes available + // Which should use lock to ensure frame count and frames match, ensure atomic logic + if (_idec != NULL) { + SD_LOCK(_lock); + if (index >= _frames.count) { + SD_UNLOCK(_lock); + return 0; + } + duration = _frames[index].duration; + SD_UNLOCK(_lock); + } else { + if (index >= _frames.count) { + return 0; + } + duration = _frames[index].duration; + } + return duration; +} + +- (UIImage *)animatedImageFrameAtIndex:(NSUInteger)index { + UIImage *image; + // Incremental Animation decoding may update frames when new bytes available + // Which should use lock to ensure frame count and frames match, ensure atomic logic + if (_idec != NULL) { + SD_LOCK(_lock); + if (index >= _frames.count) { + SD_UNLOCK(_lock); + return nil; + } + if (_frames.count <= 1) { + image = [self safeStaticImageFrame]; + } else { + image = [self safeAnimatedImageFrameAtIndex:index]; + } + SD_UNLOCK(_lock); + } else { + // Animation Decoding need a lock on the canvas (which is shared), but the _frames is immutable and no lock needed + if (index >= _frames.count) { + return nil; + } + if (_frames.count <= 1) { + SD_LOCK(_lock); + image = [self safeStaticImageFrame]; + SD_UNLOCK(_lock); + } else { + SD_LOCK(_lock); + image = [self safeAnimatedImageFrameAtIndex:index]; + SD_UNLOCK(_lock); + } + } + return image; +} + +- (UIImage *)safeStaticImageFrame { + UIImage *image; + // Static WebP image + WebPIterator iter; + if (!WebPDemuxGetFrame(_demux, 1, &iter)) { + WebPDemuxReleaseIterator(&iter); + return nil; + } + if (!_colorSpace) { + _colorSpace = [self sd_createColorSpaceWithDemuxer:_demux]; + } + // Check whether we need to use thumbnail + CGImageRef imageRef; + if (_hasAnimation) { + // If have animation, we still need to allocate a CGContext, because the poster frame may be smaller than canvas + if (!_canvas) { + CGBitmapInfo bitmapInfo = kCGBitmapByteOrder32Host; + bitmapInfo |= _hasAlpha ? kCGImageAlphaPremultipliedFirst : kCGImageAlphaNoneSkipFirst; + CGContextRef canvas = CGBitmapContextCreate(NULL, _canvasWidth, _canvasHeight, 8, 0, [SDImageCoderHelper colorSpaceGetDeviceRGB], bitmapInfo); + if (!canvas) { + return nil; + } + _canvas = canvas; + } + CGSize scaledSize = [SDImageCoderHelper scaledSizeWithImageSize:CGSizeMake(_canvasWidth, _canvasHeight) scaleSize:_thumbnailSize preserveAspectRatio:_preserveAspectRatio shouldScaleUp:NO]; + imageRef = [self sd_drawnWebpImageWithCanvas:_canvas iterator:iter colorSpace:_colorSpace scaledSize:scaledSize]; + } else { + CGSize scaledSize = [SDImageCoderHelper scaledSizeWithImageSize:CGSizeMake(iter.width, iter.height) scaleSize:_thumbnailSize preserveAspectRatio:_preserveAspectRatio shouldScaleUp:NO]; + imageRef = [self sd_createWebpImageWithData:iter.fragment colorSpace:_colorSpace scaledSize:scaledSize]; + } + if (!imageRef) { + return nil; + } +#if SD_UIKIT || SD_WATCH + image = [[UIImage alloc] initWithCGImage:imageRef scale:_scale orientation:UIImageOrientationUp]; +#else + image = [[UIImage alloc] initWithCGImage:imageRef scale:_scale orientation:kCGImagePropertyOrientationUp]; +#endif + CGImageRelease(imageRef); + WebPDemuxReleaseIterator(&iter); + return image; +} + +- (UIImage *)safeAnimatedImageFrameAtIndex:(NSUInteger)index { + if (!_canvas) { + CGBitmapInfo bitmapInfo = kCGBitmapByteOrder32Host; + bitmapInfo |= _hasAlpha ? kCGImageAlphaPremultipliedFirst : kCGImageAlphaNoneSkipFirst; + CGContextRef canvas = CGBitmapContextCreate(NULL, _canvasWidth, _canvasHeight, 8, 0, [SDImageCoderHelper colorSpaceGetDeviceRGB], bitmapInfo); + if (!canvas) { + return nil; + } + _canvas = canvas; + } + if (!_colorSpace) { + _colorSpace = [self sd_createColorSpaceWithDemuxer:_demux]; + } + + SDWebPCoderFrame *frame = _frames[index]; + UIImage *image; + WebPIterator iter; + + // Because Animated WebP supports dispose method, which means frames can based on previous canvas context. However, if we clear canvas and loop from the 0 index until the request index, it's harm for performance. + // But when one frame's dispose method is `WEBP_MUX_DISPOSE_BACKGROUND`, the canvas is cleared after the frame decoded. And subsequent frames are not effected by that frame. + // So, we calculate each frame's `blendFromIndex`. Then directly draw canvas from that index, instead of always from 0 index. + + if (_currentBlendIndex != NSNotFound && _currentBlendIndex + 1 == index) { + // If the request index is subsequence of current blend index, it does not matter what dispose method is. The canvas is always ready. + // libwebp's index start with 1 + if (!WebPDemuxGetFrame(_demux, (int)(index + 1), &iter)) { + WebPDemuxReleaseIterator(&iter); + return nil; + } + } else { + // Else, this can happen when one image set to different imageViews or one loop end. So we should clear the canvas. Then draw until the canvas is ready. + if (_currentBlendIndex != NSNotFound) { + CGContextClearRect(_canvas, CGRectMake(0, 0, _canvasWidth, _canvasHeight)); + } + + // Then, loop from the blend from index, draw each of previous frames on the canvas. + // We use do while loop to call `WebPDemuxNextFrame`(fast), until the endIndex meet. + size_t startIndex = frame.blendFromIndex; + size_t endIndex = frame.index; + // libwebp's index start with 1 + if (!WebPDemuxGetFrame(_demux, (int)(startIndex + 1), &iter)) { + WebPDemuxReleaseIterator(&iter); + return nil; + } + // Draw from range: [startIndex, endIndex) + if (endIndex > startIndex) { + do { + @autoreleasepool { + [self sd_blendWebpImageWithCanvas:_canvas iterator:iter colorSpace:_colorSpace]; + } + } while ((size_t)iter.frame_num < endIndex && WebPDemuxNextFrame(&iter)); + } + // libwebp's index start with 1 + if (!WebPDemuxGetFrame(_demux, (int)(index + 1), &iter)) { + WebPDemuxReleaseIterator(&iter); + return nil; + } + } + _currentBlendIndex = index; + + // Now the canvas is ready, which respects of dispose method behavior. Just do normal decoding and produce image. + // Check whether we need to use thumbnail + CGSize scaledSize = [SDImageCoderHelper scaledSizeWithImageSize:CGSizeMake(_canvasWidth, _canvasHeight) scaleSize:_thumbnailSize preserveAspectRatio:_preserveAspectRatio shouldScaleUp:NO]; + CGImageRef imageRef = [self sd_drawnWebpImageWithCanvas:_canvas iterator:iter colorSpace:_colorSpace scaledSize:scaledSize]; + if (!imageRef) { + return nil; + } +#if SD_UIKIT || SD_WATCH + image = [[UIImage alloc] initWithCGImage:imageRef scale:_scale orientation:UIImageOrientationUp]; +#else + image = [[UIImage alloc] initWithCGImage:imageRef scale:_scale orientation:kCGImagePropertyOrientationUp]; +#endif + CGImageRelease(imageRef); + + WebPDemuxReleaseIterator(&iter); + return image; +} + +@end diff --git a/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Classes/SDWebImageWebPCoderDefine.h b/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Classes/SDWebImageWebPCoderDefine.h new file mode 100644 index 0000000..dd972fe --- /dev/null +++ b/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Classes/SDWebImageWebPCoderDefine.h @@ -0,0 +1,135 @@ +/* + * This file is part of the SDWebImage package. + * (c) Olivier Poitrey + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +#if __has_include() +#import +#else +@import SDWebImage; +#endif + +NS_ASSUME_NONNULL_BEGIN + +/** +Integer value +Quality/speed trade-off (0=fast, 6=slower-better) + */ +FOUNDATION_EXPORT SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPMethod; + +/** +Integer value +Number of entropy-analysis passes (in [1..10]) + */ +FOUNDATION_EXPORT SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPPass; + +/** + Integer value + Preprocessing filter (0=none, 1=segment-smooth) + */ +FOUNDATION_EXPORT SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPPreprocessing; + +/** + Float value + if non-zero, specifies the minimal distortion to try to achieve. Takes precedence over target_size. + */ +FOUNDATION_EXPORT SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPTargetPSNR; + +/** + Integer value + If non-zero, try and use multi-threaded encoding. + */ +FOUNDATION_EXPORT SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPThreadLevel; + +/** + Integer value + If set, reduce memory usage (but increase CPU use). + */ +FOUNDATION_EXPORT SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPLowMemory; + +/** + Integer value + if non-zero, specifies the minimal distortion to try to achieve. Takes precedence over target_size. + */ +FOUNDATION_EXPORT SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPSegments; + +/** + Integer value + Spatial Noise Shaping. 0=off, 100=maximum. + */ +FOUNDATION_EXPORT SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPSnsStrength; + +/** + Integer value + Range: [0 = off .. 100 = strongest] + */ +FOUNDATION_EXPORT SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPFilterStrength; + +/** + Integer value + range: [0 = off .. 7 = least sharp] + */ +FOUNDATION_EXPORT SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPFilterSharpness; + +/** + Integer value + Filtering type: 0 = simple, 1 = strong (only used If filter_strength > 0 or autofilter > 0) + */ +FOUNDATION_EXPORT SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPFilterType; + +/** + Integer value + Auto adjust filter's strength [0 = off, 1 = on] + */ +FOUNDATION_EXPORT SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPAutofilter; + +/** + Integer value + Algorithm for encoding the alpha plane (0 = none, 1 = compressed with WebP lossless). Default is 1. + */ +FOUNDATION_EXPORT SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPAlphaCompression; + +/** + Integer value + Predictive filtering method for alpha plane. 0: none, 1: fast, 2: best. Default if 1. + */ +FOUNDATION_EXPORT SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPAlphaFiltering; + +/** + Integer value + Between 0 (smallest size) and 100 (lossless). + Default is 100. + */ +FOUNDATION_EXPORT SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPAlphaQuality; + +/** + Integer value + If true, export the compressed picture back. + In-loop filtering is not applied. + */ +FOUNDATION_EXPORT SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPShowCompressed; + +/** + Integer + Log2(number of token partitions) in [0..3] + Default is set to 0 for easier progressive decoding. + */ +FOUNDATION_EXPORT SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPPartitions; + +/** + Integer value + Quality degradation allowed to fit the 512k limit on + Prediction modes coding (0: no degradation, 100: maximum possible degradation). + */ +FOUNDATION_EXPORT SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPPartitionLimit; + +/** + Integer value + if needed, use sharp (and slow) RGB->YUV conversion + */ +FOUNDATION_EXPORT SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPUseSharpYuv; + +NS_ASSUME_NONNULL_END diff --git a/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Classes/SDWebImageWebPCoderDefine.m b/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Classes/SDWebImageWebPCoderDefine.m new file mode 100644 index 0000000..ff333de --- /dev/null +++ b/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Classes/SDWebImageWebPCoderDefine.m @@ -0,0 +1,28 @@ +// +// SDWebImageWebPCoderDefine.m +// SDWebImageWebPCoder +// +// Created by Antti Kortetmaa on 2020/12/06. +// + +#import "SDWebImageWebPCoderDefine.h" + +SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPMethod = @"webPMethod"; +SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPPass = @"webPPass"; +SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPPreprocessing = @"webPPreprocessing"; +SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPThreadLevel = @"webPThreadLevel"; +SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPLowMemory = @"webPLowMemory"; +SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPTargetPSNR = @"webPTargetPSNR"; +SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPSegments = @"webPSegments"; +SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPSnsStrength = @"webPSnsStrength"; +SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPFilterStrength = @"webPFilterStrength"; +SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPFilterSharpness = @"webPFilterSharpness"; +SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPFilterType = @"webPFilterType"; +SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPAutofilter = @"webPAutofilter"; +SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPAlphaCompression = @"webPAlphaCompression"; +SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPAlphaFiltering = @"webPAlphaFiltering"; +SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPAlphaQuality = @"webPAlphaQuality"; +SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPShowCompressed = @"webPShowCompressed"; +SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPPartitions = @"webPPartitions"; +SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPPartitionLimit = @"webPPartitionLimit"; +SDImageCoderOption _Nonnull const SDImageCoderEncodeWebPUseSharpYuv = @"webPUseSharpYuv"; diff --git a/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Classes/UIImage+WebP.h b/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Classes/UIImage+WebP.h new file mode 100644 index 0000000..068b305 --- /dev/null +++ b/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Classes/UIImage+WebP.h @@ -0,0 +1,27 @@ +/* + * This file is part of the SDWebImage package. + * (c) Olivier Poitrey + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +#if __has_include() +#import +#else +@import SDWebImage; +#endif + +// This category is just use as a convenience method. For more detail control, use methods in `UIImage+MultiFormat.h` or directlly use `SDImageCoder` +@interface UIImage (WebP) + +/** + Create a image from the WebP data. + This will create animated image if the data is Animated WebP. And will create a static image is the data is Static WebP. + + @param data The WebP data + @return The created image + */ ++ (nullable UIImage *)sd_imageWithWebPData:(nullable NSData *)data; + +@end diff --git a/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Classes/UIImage+WebP.m b/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Classes/UIImage+WebP.m new file mode 100644 index 0000000..e0ab8f8 --- /dev/null +++ b/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Classes/UIImage+WebP.m @@ -0,0 +1,21 @@ +/* + * This file is part of the SDWebImage package. + * (c) Olivier Poitrey + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +#import "UIImage+WebP.h" +#import "SDImageWebPCoder.h" + +@implementation UIImage (WebP) + ++ (nullable UIImage *)sd_imageWithWebPData:(nullable NSData *)data { + if (!data) { + return nil; + } + return [[SDImageWebPCoder sharedCoder] decodedImageWithData:data options:0]; +} + +@end diff --git a/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Module/SDWebImageWebPCoder.h b/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Module/SDWebImageWebPCoder.h new file mode 100644 index 0000000..69e8947 --- /dev/null +++ b/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Module/SDWebImageWebPCoder.h @@ -0,0 +1,16 @@ +/* + * This file is part of the SDWebImage package. + * (c) Olivier Poitrey + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +#import + +FOUNDATION_EXPORT double SDWebImageWebPCoderVersionNumber; +FOUNDATION_EXPORT const unsigned char SDWebImageWebPCoderVersionString[]; + +#import +#import +#import diff --git a/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Module/SDWebImageWebPCoder.modulemap b/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Module/SDWebImageWebPCoder.modulemap new file mode 100644 index 0000000..13d57d4 --- /dev/null +++ b/ProductApp/Pods/SDWebImageWebPCoder/SDWebImageWebPCoder/Module/SDWebImageWebPCoder.modulemap @@ -0,0 +1,6 @@ +framework module SDWebImageWebPCoder { + umbrella header "SDWebImageWebPCoder.h" + + export * + module * { export * } +} diff --git a/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-acknowledgements.markdown b/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-acknowledgements.markdown index fb88e1e..473b4b8 100644 --- a/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-acknowledgements.markdown +++ b/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-acknowledgements.markdown @@ -768,6 +768,29 @@ THE SOFTWARE. +## SDWebImageWebPCoder + +Copyright (c) 2018 Bogdan Poplauschi + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. + + ## SSZipArchive Copyright (c) 2013-2021, ZipArchive, https://github.com/ZipArchive @@ -1000,4 +1023,38 @@ You may add Your own copyright statement to Your modifications and may provide a END OF TERMS AND CONDITIONS + +## libwebp + +Copyright (c) 2010, Google Inc. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + + * Neither the name of Google nor the names of its contributors may + be used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + Generated by CocoaPods - https://cocoapods.org diff --git a/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-acknowledgements.plist b/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-acknowledgements.plist index 4348a4a..544b353 100644 --- a/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-acknowledgements.plist +++ b/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-acknowledgements.plist @@ -893,6 +893,35 @@ THE SOFTWARE. Type PSGroupSpecifier + + FooterText + Copyright (c) 2018 Bogdan Poplauschi + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. + + License + MIT + Title + SDWebImageWebPCoder + Type + PSGroupSpecifier + FooterText Copyright (c) 2013-2021, ZipArchive, https://github.com/ZipArchive @@ -1198,6 +1227,46 @@ END OF TERMS AND CONDITIONS Type PSGroupSpecifier + + FooterText + Copyright (c) 2010, Google Inc. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + + * Neither the name of Google nor the names of its contributors may + be used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + + License + BSD + Title + libwebp + Type + PSGroupSpecifier + FooterText Generated by CocoaPods - https://cocoapods.org diff --git a/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks-Debug-input-files.xcfilelist b/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks-Debug-input-files.xcfilelist index 996d8cf..2058664 100644 --- a/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks-Debug-input-files.xcfilelist +++ b/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks-Debug-input-files.xcfilelist @@ -14,9 +14,11 @@ ${BUILT_PRODUCTS_DIR}/Reachability/Reachability.framework ${BUILT_PRODUCTS_DIR}/SDAutoLayout/SDAutoLayout.framework ${BUILT_PRODUCTS_DIR}/SDCycleScrollView/SDCycleScrollView.framework ${BUILT_PRODUCTS_DIR}/SDWebImage/SDWebImage.framework +${BUILT_PRODUCTS_DIR}/SDWebImageWebPCoder/SDWebImageWebPCoder.framework ${BUILT_PRODUCTS_DIR}/SSZipArchive/SSZipArchive.framework ${BUILT_PRODUCTS_DIR}/SocketRocket/SocketRocket.framework ${BUILT_PRODUCTS_DIR}/UITableView+FDTemplateLayoutCell/UITableView_FDTemplateLayoutCell.framework ${BUILT_PRODUCTS_DIR}/YYModel/YYModel.framework ${BUILT_PRODUCTS_DIR}/YYText/YYText.framework +${BUILT_PRODUCTS_DIR}/libwebp/libwebp.framework ${PODS_XCFRAMEWORKS_BUILD_DIR}/libpag/libpag.framework/libpag \ No newline at end of file diff --git a/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks-Debug-output-files.xcfilelist b/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks-Debug-output-files.xcfilelist index d3c5739..eb8ae65 100644 --- a/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks-Debug-output-files.xcfilelist +++ b/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks-Debug-output-files.xcfilelist @@ -13,9 +13,11 @@ ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Reachability.framework ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/SDAutoLayout.framework ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/SDCycleScrollView.framework ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/SDWebImage.framework +${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/SDWebImageWebPCoder.framework ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/SSZipArchive.framework ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/SocketRocket.framework ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/UITableView_FDTemplateLayoutCell.framework ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/YYModel.framework ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/YYText.framework +${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/libwebp.framework ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/libpag.framework \ No newline at end of file diff --git a/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks-Release-input-files.xcfilelist b/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks-Release-input-files.xcfilelist index 996d8cf..2058664 100644 --- a/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks-Release-input-files.xcfilelist +++ b/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks-Release-input-files.xcfilelist @@ -14,9 +14,11 @@ ${BUILT_PRODUCTS_DIR}/Reachability/Reachability.framework ${BUILT_PRODUCTS_DIR}/SDAutoLayout/SDAutoLayout.framework ${BUILT_PRODUCTS_DIR}/SDCycleScrollView/SDCycleScrollView.framework ${BUILT_PRODUCTS_DIR}/SDWebImage/SDWebImage.framework +${BUILT_PRODUCTS_DIR}/SDWebImageWebPCoder/SDWebImageWebPCoder.framework ${BUILT_PRODUCTS_DIR}/SSZipArchive/SSZipArchive.framework ${BUILT_PRODUCTS_DIR}/SocketRocket/SocketRocket.framework ${BUILT_PRODUCTS_DIR}/UITableView+FDTemplateLayoutCell/UITableView_FDTemplateLayoutCell.framework ${BUILT_PRODUCTS_DIR}/YYModel/YYModel.framework ${BUILT_PRODUCTS_DIR}/YYText/YYText.framework +${BUILT_PRODUCTS_DIR}/libwebp/libwebp.framework ${PODS_XCFRAMEWORKS_BUILD_DIR}/libpag/libpag.framework/libpag \ No newline at end of file diff --git a/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks-Release-output-files.xcfilelist b/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks-Release-output-files.xcfilelist index d3c5739..eb8ae65 100644 --- a/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks-Release-output-files.xcfilelist +++ b/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks-Release-output-files.xcfilelist @@ -13,9 +13,11 @@ ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Reachability.framework ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/SDAutoLayout.framework ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/SDCycleScrollView.framework ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/SDWebImage.framework +${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/SDWebImageWebPCoder.framework ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/SSZipArchive.framework ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/SocketRocket.framework ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/UITableView_FDTemplateLayoutCell.framework ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/YYModel.framework ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/YYText.framework +${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/libwebp.framework ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/libpag.framework \ No newline at end of file diff --git a/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks.sh b/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks.sh index cf8e667..25d8b98 100755 --- a/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks.sh +++ b/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp-frameworks.sh @@ -191,11 +191,13 @@ if [[ "$CONFIGURATION" == "Debug" ]]; then install_framework "${BUILT_PRODUCTS_DIR}/SDAutoLayout/SDAutoLayout.framework" install_framework "${BUILT_PRODUCTS_DIR}/SDCycleScrollView/SDCycleScrollView.framework" install_framework "${BUILT_PRODUCTS_DIR}/SDWebImage/SDWebImage.framework" + install_framework "${BUILT_PRODUCTS_DIR}/SDWebImageWebPCoder/SDWebImageWebPCoder.framework" install_framework "${BUILT_PRODUCTS_DIR}/SSZipArchive/SSZipArchive.framework" install_framework "${BUILT_PRODUCTS_DIR}/SocketRocket/SocketRocket.framework" install_framework "${BUILT_PRODUCTS_DIR}/UITableView+FDTemplateLayoutCell/UITableView_FDTemplateLayoutCell.framework" install_framework "${BUILT_PRODUCTS_DIR}/YYModel/YYModel.framework" install_framework "${BUILT_PRODUCTS_DIR}/YYText/YYText.framework" + install_framework "${BUILT_PRODUCTS_DIR}/libwebp/libwebp.framework" install_framework "${PODS_XCFRAMEWORKS_BUILD_DIR}/libpag/libpag.framework" fi if [[ "$CONFIGURATION" == "Release" ]]; then @@ -214,11 +216,13 @@ if [[ "$CONFIGURATION" == "Release" ]]; then install_framework "${BUILT_PRODUCTS_DIR}/SDAutoLayout/SDAutoLayout.framework" install_framework "${BUILT_PRODUCTS_DIR}/SDCycleScrollView/SDCycleScrollView.framework" install_framework "${BUILT_PRODUCTS_DIR}/SDWebImage/SDWebImage.framework" + install_framework "${BUILT_PRODUCTS_DIR}/SDWebImageWebPCoder/SDWebImageWebPCoder.framework" install_framework "${BUILT_PRODUCTS_DIR}/SSZipArchive/SSZipArchive.framework" install_framework "${BUILT_PRODUCTS_DIR}/SocketRocket/SocketRocket.framework" install_framework "${BUILT_PRODUCTS_DIR}/UITableView+FDTemplateLayoutCell/UITableView_FDTemplateLayoutCell.framework" install_framework "${BUILT_PRODUCTS_DIR}/YYModel/YYModel.framework" install_framework "${BUILT_PRODUCTS_DIR}/YYText/YYText.framework" + install_framework "${BUILT_PRODUCTS_DIR}/libwebp/libwebp.framework" install_framework "${PODS_XCFRAMEWORKS_BUILD_DIR}/libpag/libpag.framework" fi if [ "${COCOAPODS_PARALLEL_CODE_SIGN}" == "true" ]; then diff --git a/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp.debug.xcconfig b/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp.debug.xcconfig index 92d9c34..ff31cc4 100644 --- a/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp.debug.xcconfig +++ b/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp.debug.xcconfig @@ -1,17 +1,18 @@ CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = NO EMBEDDED_CONTENT_CONTAINS_SWIFT = YES EXCLUDED_ARCHS[sdk=iphonesimulator*] = arm64 -FRAMEWORK_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking" "${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet" "${PODS_CONFIGURATION_BUILD_DIR}/FMDB" "${PODS_CONFIGURATION_BUILD_DIR}/HXPhotoPicker" "${PODS_CONFIGURATION_BUILD_DIR}/IQKeyboardManager" "${PODS_CONFIGURATION_BUILD_DIR}/LSTTimer" "${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD" "${PODS_CONFIGURATION_BUILD_DIR}/MJRefresh" "${PODS_CONFIGURATION_BUILD_DIR}/MOFSPickerManager" "${PODS_CONFIGURATION_BUILD_DIR}/Masonry" "${PODS_CONFIGURATION_BUILD_DIR}/PopupKit" "${PODS_CONFIGURATION_BUILD_DIR}/Reachability" "${PODS_CONFIGURATION_BUILD_DIR}/SDAutoLayout" "${PODS_CONFIGURATION_BUILD_DIR}/SDCycleScrollView" "${PODS_CONFIGURATION_BUILD_DIR}/SDWebImage" "${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive" "${PODS_CONFIGURATION_BUILD_DIR}/SocketRocket" "${PODS_CONFIGURATION_BUILD_DIR}/UITableView+FDTemplateLayoutCell" "${PODS_CONFIGURATION_BUILD_DIR}/YYModel" "${PODS_CONFIGURATION_BUILD_DIR}/YYText" "${PODS_ROOT}/GTCommonSDK" "${PODS_ROOT}/GTExtensionSDK" "${PODS_ROOT}/GTSDK" "${PODS_ROOT}/GYSDK" "${PODS_ROOT}/UMAPM/UMAPM_1.9.3" "${PODS_ROOT}/UMCCommonLog/UMCommonLog" "${PODS_ROOT}/UMCommon/UMCommon_7.4.7" "${PODS_ROOT}/UMDevice/UMDevice_3.4.0" "${PODS_ROOT}/UMLink" "${PODS_ROOT}/ZXSDK" "${PODS_ROOT}/libpag/framework" "${PODS_XCFRAMEWORKS_BUILD_DIR}/GTCommonSDK" "${PODS_XCFRAMEWORKS_BUILD_DIR}/GTExtensionSDK" "${PODS_XCFRAMEWORKS_BUILD_DIR}/GTSDK" "${PODS_XCFRAMEWORKS_BUILD_DIR}/UMAPM" "${PODS_XCFRAMEWORKS_BUILD_DIR}/UMCommon" "${PODS_XCFRAMEWORKS_BUILD_DIR}/UMDevice" "${PODS_XCFRAMEWORKS_BUILD_DIR}/libpag" -GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1 -HEADER_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking/AFNetworking.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet/DZNEmptyDataSet.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/FMDB/FMDB.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/HXPhotoPicker/HXPhotoPicker.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/IQKeyboardManager/IQKeyboardManager.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/LSTTimer/LSTTimer.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD/MBProgressHUD.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MJRefresh/MJRefresh.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MOFSPickerManager/MOFSPickerManager.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/Masonry/Masonry.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/PopupKit/PopupKit.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/Reachability/Reachability.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SDAutoLayout/SDAutoLayout.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SDCycleScrollView/SDCycleScrollView.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SDWebImage/SDWebImage.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive/SSZipArchive.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SocketRocket/SocketRocket.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/UITableView+FDTemplateLayoutCell/UITableView_FDTemplateLayoutCell.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/YYModel/YYModel.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/YYText/YYText.framework/Headers" "${PODS_ROOT}/Headers/Public" "${PODS_ROOT}/Headers/Public/WechatOpenSDK" +FRAMEWORK_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking" "${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet" "${PODS_CONFIGURATION_BUILD_DIR}/FMDB" "${PODS_CONFIGURATION_BUILD_DIR}/HXPhotoPicker" "${PODS_CONFIGURATION_BUILD_DIR}/IQKeyboardManager" "${PODS_CONFIGURATION_BUILD_DIR}/LSTTimer" "${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD" "${PODS_CONFIGURATION_BUILD_DIR}/MJRefresh" "${PODS_CONFIGURATION_BUILD_DIR}/MOFSPickerManager" "${PODS_CONFIGURATION_BUILD_DIR}/Masonry" "${PODS_CONFIGURATION_BUILD_DIR}/PopupKit" "${PODS_CONFIGURATION_BUILD_DIR}/Reachability" "${PODS_CONFIGURATION_BUILD_DIR}/SDAutoLayout" "${PODS_CONFIGURATION_BUILD_DIR}/SDCycleScrollView" "${PODS_CONFIGURATION_BUILD_DIR}/SDWebImage" "${PODS_CONFIGURATION_BUILD_DIR}/SDWebImageWebPCoder" "${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive" "${PODS_CONFIGURATION_BUILD_DIR}/SocketRocket" "${PODS_CONFIGURATION_BUILD_DIR}/UITableView+FDTemplateLayoutCell" "${PODS_CONFIGURATION_BUILD_DIR}/YYModel" "${PODS_CONFIGURATION_BUILD_DIR}/YYText" "${PODS_CONFIGURATION_BUILD_DIR}/libwebp" "${PODS_ROOT}/GTCommonSDK" "${PODS_ROOT}/GTExtensionSDK" "${PODS_ROOT}/GTSDK" "${PODS_ROOT}/GYSDK" "${PODS_ROOT}/UMAPM/UMAPM_1.9.3" "${PODS_ROOT}/UMCCommonLog/UMCommonLog" "${PODS_ROOT}/UMCommon/UMCommon_7.4.7" "${PODS_ROOT}/UMDevice/UMDevice_3.4.0" "${PODS_ROOT}/UMLink" "${PODS_ROOT}/ZXSDK" "${PODS_ROOT}/libpag/framework" "${PODS_XCFRAMEWORKS_BUILD_DIR}/GTCommonSDK" "${PODS_XCFRAMEWORKS_BUILD_DIR}/GTExtensionSDK" "${PODS_XCFRAMEWORKS_BUILD_DIR}/GTSDK" "${PODS_XCFRAMEWORKS_BUILD_DIR}/UMAPM" "${PODS_XCFRAMEWORKS_BUILD_DIR}/UMCommon" "${PODS_XCFRAMEWORKS_BUILD_DIR}/UMDevice" "${PODS_XCFRAMEWORKS_BUILD_DIR}/libpag" +GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1 $(inherited) SD_WEBP=1 +HEADER_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking/AFNetworking.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet/DZNEmptyDataSet.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/FMDB/FMDB.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/HXPhotoPicker/HXPhotoPicker.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/IQKeyboardManager/IQKeyboardManager.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/LSTTimer/LSTTimer.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD/MBProgressHUD.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MJRefresh/MJRefresh.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MOFSPickerManager/MOFSPickerManager.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/Masonry/Masonry.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/PopupKit/PopupKit.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/Reachability/Reachability.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SDAutoLayout/SDAutoLayout.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SDCycleScrollView/SDCycleScrollView.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SDWebImage/SDWebImage.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SDWebImageWebPCoder/SDWebImageWebPCoder.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive/SSZipArchive.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SocketRocket/SocketRocket.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/UITableView+FDTemplateLayoutCell/UITableView_FDTemplateLayoutCell.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/YYModel/YYModel.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/YYText/YYText.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/libwebp/libwebp.framework/Headers" "${PODS_ROOT}/Headers/Public" "${PODS_ROOT}/Headers/Public/WechatOpenSDK" LD_RUNPATH_SEARCH_PATHS = $(inherited) /usr/lib/swift '@executable_path/Frameworks' '@loader_path/Frameworks' LIBRARY_SEARCH_PATHS = $(inherited) "${PODS_ROOT}/WechatOpenSDK/OpenSDK2.0.4" "${TOOLCHAIN_DIR}/usr/lib/swift/${PLATFORM_NAME}" /usr/lib/swift -OTHER_LDFLAGS = $(inherited) -ObjC -l"WechatOpenSDK" -l"c++" -l"iconv" -l"icucore" -l"resolv" -l"sqlite3" -l"sqlite3.0" -l"z" -framework "AFNetworking" -framework "AVFoundation" -framework "Accelerate" -framework "AdSupport" -framework "CFNetwork" -framework "CoreFoundation" -framework "CoreGraphics" -framework "CoreLocation" -framework "CoreMedia" -framework "CoreTelephony" -framework "CoreText" -framework "DZNEmptyDataSet" -framework "FMDB" -framework "Foundation" -framework "GTCommonSDK" -framework "GTExtensionSDK" -framework "GTSDK" -framework "GeYanSdk" -framework "HXPhotoPicker" -framework "IQKeyboardManager" -framework "ImageIO" -framework "LSTTimer" -framework "MBProgressHUD" -framework "MJRefresh" -framework "MOFSPickerManager" -framework "Masonry" -framework "MobileCoreServices" -framework "Photos" -framework "PhotosUI" -framework "PopupKit" -framework "QuartzCore" -framework "Reachability" -framework "SDAutoLayout" -framework "SDCycleScrollView" -framework "SDWebImage" -framework "SSZipArchive" -framework "Security" -framework "SocketRocket" -framework "SystemConfiguration" -framework "UIKit" -framework "UITableView_FDTemplateLayoutCell" -framework "UMAPM" -framework "UMCommon" -framework "UMCommonLog" -framework "UMDevice" -framework "UMLink" -framework "VideoToolbox" -framework "WebKit" -framework "YYModel" -framework "YYText" -framework "ZXSDK" -framework "libpag" -weak_framework "AppTrackingTransparency" -weak_framework "Network" -weak_framework "UserNotifications" +OTHER_LDFLAGS = $(inherited) -ObjC -l"WechatOpenSDK" -l"c++" -l"iconv" -l"icucore" -l"resolv" -l"sqlite3" -l"sqlite3.0" -l"z" -framework "AFNetworking" -framework "AVFoundation" -framework "Accelerate" -framework "AdSupport" -framework "CFNetwork" -framework "CoreFoundation" -framework "CoreGraphics" -framework "CoreLocation" -framework "CoreMedia" -framework "CoreTelephony" -framework "CoreText" -framework "DZNEmptyDataSet" -framework "FMDB" -framework "Foundation" -framework "GTCommonSDK" -framework "GTExtensionSDK" -framework "GTSDK" -framework "GeYanSdk" -framework "HXPhotoPicker" -framework "IQKeyboardManager" -framework "ImageIO" -framework "LSTTimer" -framework "MBProgressHUD" -framework "MJRefresh" -framework "MOFSPickerManager" -framework "Masonry" -framework "MobileCoreServices" -framework "Photos" -framework "PhotosUI" -framework "PopupKit" -framework "QuartzCore" -framework "Reachability" -framework "SDAutoLayout" -framework "SDCycleScrollView" -framework "SDWebImage" -framework "SDWebImageWebPCoder" -framework "SSZipArchive" -framework "Security" -framework "SocketRocket" -framework "SystemConfiguration" -framework "UIKit" -framework "UITableView_FDTemplateLayoutCell" -framework "UMAPM" -framework "UMCommon" -framework "UMCommonLog" -framework "UMDevice" -framework "UMLink" -framework "VideoToolbox" -framework "WebKit" -framework "YYModel" -framework "YYText" -framework "ZXSDK" -framework "libpag" -framework "libwebp" -weak_framework "AppTrackingTransparency" -weak_framework "Network" -weak_framework "UserNotifications" OTHER_SWIFT_FLAGS = $(inherited) -D COCOAPODS PODS_BUILD_DIR = ${BUILD_DIR} PODS_CONFIGURATION_BUILD_DIR = ${PODS_BUILD_DIR}/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME) PODS_PODFILE_DIR_PATH = ${SRCROOT}/. PODS_ROOT = ${SRCROOT}/Pods PODS_XCFRAMEWORKS_BUILD_DIR = $(PODS_CONFIGURATION_BUILD_DIR)/XCFrameworkIntermediates +USER_HEADER_SEARCH_PATHS = $(inherited) $(SRCROOT)/libwebp/src USE_RECURSIVE_SCRIPT_INPUTS_IN_SCRIPT_PHASES = YES VALID_ARCHS = arm64 armv7 x86_64 diff --git a/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp.release.xcconfig b/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp.release.xcconfig index 92d9c34..ff31cc4 100644 --- a/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp.release.xcconfig +++ b/ProductApp/Pods/Target Support Files/Pods-ProductApp/Pods-ProductApp.release.xcconfig @@ -1,17 +1,18 @@ CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = NO EMBEDDED_CONTENT_CONTAINS_SWIFT = YES EXCLUDED_ARCHS[sdk=iphonesimulator*] = arm64 -FRAMEWORK_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking" "${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet" "${PODS_CONFIGURATION_BUILD_DIR}/FMDB" "${PODS_CONFIGURATION_BUILD_DIR}/HXPhotoPicker" "${PODS_CONFIGURATION_BUILD_DIR}/IQKeyboardManager" "${PODS_CONFIGURATION_BUILD_DIR}/LSTTimer" "${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD" "${PODS_CONFIGURATION_BUILD_DIR}/MJRefresh" "${PODS_CONFIGURATION_BUILD_DIR}/MOFSPickerManager" "${PODS_CONFIGURATION_BUILD_DIR}/Masonry" "${PODS_CONFIGURATION_BUILD_DIR}/PopupKit" "${PODS_CONFIGURATION_BUILD_DIR}/Reachability" "${PODS_CONFIGURATION_BUILD_DIR}/SDAutoLayout" "${PODS_CONFIGURATION_BUILD_DIR}/SDCycleScrollView" "${PODS_CONFIGURATION_BUILD_DIR}/SDWebImage" "${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive" "${PODS_CONFIGURATION_BUILD_DIR}/SocketRocket" "${PODS_CONFIGURATION_BUILD_DIR}/UITableView+FDTemplateLayoutCell" "${PODS_CONFIGURATION_BUILD_DIR}/YYModel" "${PODS_CONFIGURATION_BUILD_DIR}/YYText" "${PODS_ROOT}/GTCommonSDK" "${PODS_ROOT}/GTExtensionSDK" "${PODS_ROOT}/GTSDK" "${PODS_ROOT}/GYSDK" "${PODS_ROOT}/UMAPM/UMAPM_1.9.3" "${PODS_ROOT}/UMCCommonLog/UMCommonLog" "${PODS_ROOT}/UMCommon/UMCommon_7.4.7" "${PODS_ROOT}/UMDevice/UMDevice_3.4.0" "${PODS_ROOT}/UMLink" "${PODS_ROOT}/ZXSDK" "${PODS_ROOT}/libpag/framework" "${PODS_XCFRAMEWORKS_BUILD_DIR}/GTCommonSDK" "${PODS_XCFRAMEWORKS_BUILD_DIR}/GTExtensionSDK" "${PODS_XCFRAMEWORKS_BUILD_DIR}/GTSDK" "${PODS_XCFRAMEWORKS_BUILD_DIR}/UMAPM" "${PODS_XCFRAMEWORKS_BUILD_DIR}/UMCommon" "${PODS_XCFRAMEWORKS_BUILD_DIR}/UMDevice" "${PODS_XCFRAMEWORKS_BUILD_DIR}/libpag" -GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1 -HEADER_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking/AFNetworking.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet/DZNEmptyDataSet.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/FMDB/FMDB.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/HXPhotoPicker/HXPhotoPicker.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/IQKeyboardManager/IQKeyboardManager.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/LSTTimer/LSTTimer.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD/MBProgressHUD.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MJRefresh/MJRefresh.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MOFSPickerManager/MOFSPickerManager.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/Masonry/Masonry.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/PopupKit/PopupKit.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/Reachability/Reachability.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SDAutoLayout/SDAutoLayout.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SDCycleScrollView/SDCycleScrollView.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SDWebImage/SDWebImage.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive/SSZipArchive.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SocketRocket/SocketRocket.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/UITableView+FDTemplateLayoutCell/UITableView_FDTemplateLayoutCell.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/YYModel/YYModel.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/YYText/YYText.framework/Headers" "${PODS_ROOT}/Headers/Public" "${PODS_ROOT}/Headers/Public/WechatOpenSDK" +FRAMEWORK_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking" "${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet" "${PODS_CONFIGURATION_BUILD_DIR}/FMDB" "${PODS_CONFIGURATION_BUILD_DIR}/HXPhotoPicker" "${PODS_CONFIGURATION_BUILD_DIR}/IQKeyboardManager" "${PODS_CONFIGURATION_BUILD_DIR}/LSTTimer" "${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD" "${PODS_CONFIGURATION_BUILD_DIR}/MJRefresh" "${PODS_CONFIGURATION_BUILD_DIR}/MOFSPickerManager" "${PODS_CONFIGURATION_BUILD_DIR}/Masonry" "${PODS_CONFIGURATION_BUILD_DIR}/PopupKit" "${PODS_CONFIGURATION_BUILD_DIR}/Reachability" "${PODS_CONFIGURATION_BUILD_DIR}/SDAutoLayout" "${PODS_CONFIGURATION_BUILD_DIR}/SDCycleScrollView" "${PODS_CONFIGURATION_BUILD_DIR}/SDWebImage" "${PODS_CONFIGURATION_BUILD_DIR}/SDWebImageWebPCoder" "${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive" "${PODS_CONFIGURATION_BUILD_DIR}/SocketRocket" "${PODS_CONFIGURATION_BUILD_DIR}/UITableView+FDTemplateLayoutCell" "${PODS_CONFIGURATION_BUILD_DIR}/YYModel" "${PODS_CONFIGURATION_BUILD_DIR}/YYText" "${PODS_CONFIGURATION_BUILD_DIR}/libwebp" "${PODS_ROOT}/GTCommonSDK" "${PODS_ROOT}/GTExtensionSDK" "${PODS_ROOT}/GTSDK" "${PODS_ROOT}/GYSDK" "${PODS_ROOT}/UMAPM/UMAPM_1.9.3" "${PODS_ROOT}/UMCCommonLog/UMCommonLog" "${PODS_ROOT}/UMCommon/UMCommon_7.4.7" "${PODS_ROOT}/UMDevice/UMDevice_3.4.0" "${PODS_ROOT}/UMLink" "${PODS_ROOT}/ZXSDK" "${PODS_ROOT}/libpag/framework" "${PODS_XCFRAMEWORKS_BUILD_DIR}/GTCommonSDK" "${PODS_XCFRAMEWORKS_BUILD_DIR}/GTExtensionSDK" "${PODS_XCFRAMEWORKS_BUILD_DIR}/GTSDK" "${PODS_XCFRAMEWORKS_BUILD_DIR}/UMAPM" "${PODS_XCFRAMEWORKS_BUILD_DIR}/UMCommon" "${PODS_XCFRAMEWORKS_BUILD_DIR}/UMDevice" "${PODS_XCFRAMEWORKS_BUILD_DIR}/libpag" +GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1 $(inherited) SD_WEBP=1 +HEADER_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/AFNetworking/AFNetworking.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/DZNEmptyDataSet/DZNEmptyDataSet.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/FMDB/FMDB.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/HXPhotoPicker/HXPhotoPicker.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/IQKeyboardManager/IQKeyboardManager.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/LSTTimer/LSTTimer.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MBProgressHUD/MBProgressHUD.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MJRefresh/MJRefresh.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/MOFSPickerManager/MOFSPickerManager.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/Masonry/Masonry.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/PopupKit/PopupKit.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/Reachability/Reachability.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SDAutoLayout/SDAutoLayout.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SDCycleScrollView/SDCycleScrollView.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SDWebImage/SDWebImage.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SDWebImageWebPCoder/SDWebImageWebPCoder.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SSZipArchive/SSZipArchive.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/SocketRocket/SocketRocket.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/UITableView+FDTemplateLayoutCell/UITableView_FDTemplateLayoutCell.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/YYModel/YYModel.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/YYText/YYText.framework/Headers" "${PODS_CONFIGURATION_BUILD_DIR}/libwebp/libwebp.framework/Headers" "${PODS_ROOT}/Headers/Public" "${PODS_ROOT}/Headers/Public/WechatOpenSDK" LD_RUNPATH_SEARCH_PATHS = $(inherited) /usr/lib/swift '@executable_path/Frameworks' '@loader_path/Frameworks' LIBRARY_SEARCH_PATHS = $(inherited) "${PODS_ROOT}/WechatOpenSDK/OpenSDK2.0.4" "${TOOLCHAIN_DIR}/usr/lib/swift/${PLATFORM_NAME}" /usr/lib/swift -OTHER_LDFLAGS = $(inherited) -ObjC -l"WechatOpenSDK" -l"c++" -l"iconv" -l"icucore" -l"resolv" -l"sqlite3" -l"sqlite3.0" -l"z" -framework "AFNetworking" -framework "AVFoundation" -framework "Accelerate" -framework "AdSupport" -framework "CFNetwork" -framework "CoreFoundation" -framework "CoreGraphics" -framework "CoreLocation" -framework "CoreMedia" -framework "CoreTelephony" -framework "CoreText" -framework "DZNEmptyDataSet" -framework "FMDB" -framework "Foundation" -framework "GTCommonSDK" -framework "GTExtensionSDK" -framework "GTSDK" -framework "GeYanSdk" -framework "HXPhotoPicker" -framework "IQKeyboardManager" -framework "ImageIO" -framework "LSTTimer" -framework "MBProgressHUD" -framework "MJRefresh" -framework "MOFSPickerManager" -framework "Masonry" -framework "MobileCoreServices" -framework "Photos" -framework "PhotosUI" -framework "PopupKit" -framework "QuartzCore" -framework "Reachability" -framework "SDAutoLayout" -framework "SDCycleScrollView" -framework "SDWebImage" -framework "SSZipArchive" -framework "Security" -framework "SocketRocket" -framework "SystemConfiguration" -framework "UIKit" -framework "UITableView_FDTemplateLayoutCell" -framework "UMAPM" -framework "UMCommon" -framework "UMCommonLog" -framework "UMDevice" -framework "UMLink" -framework "VideoToolbox" -framework "WebKit" -framework "YYModel" -framework "YYText" -framework "ZXSDK" -framework "libpag" -weak_framework "AppTrackingTransparency" -weak_framework "Network" -weak_framework "UserNotifications" +OTHER_LDFLAGS = $(inherited) -ObjC -l"WechatOpenSDK" -l"c++" -l"iconv" -l"icucore" -l"resolv" -l"sqlite3" -l"sqlite3.0" -l"z" -framework "AFNetworking" -framework "AVFoundation" -framework "Accelerate" -framework "AdSupport" -framework "CFNetwork" -framework "CoreFoundation" -framework "CoreGraphics" -framework "CoreLocation" -framework "CoreMedia" -framework "CoreTelephony" -framework "CoreText" -framework "DZNEmptyDataSet" -framework "FMDB" -framework "Foundation" -framework "GTCommonSDK" -framework "GTExtensionSDK" -framework "GTSDK" -framework "GeYanSdk" -framework "HXPhotoPicker" -framework "IQKeyboardManager" -framework "ImageIO" -framework "LSTTimer" -framework "MBProgressHUD" -framework "MJRefresh" -framework "MOFSPickerManager" -framework "Masonry" -framework "MobileCoreServices" -framework "Photos" -framework "PhotosUI" -framework "PopupKit" -framework "QuartzCore" -framework "Reachability" -framework "SDAutoLayout" -framework "SDCycleScrollView" -framework "SDWebImage" -framework "SDWebImageWebPCoder" -framework "SSZipArchive" -framework "Security" -framework "SocketRocket" -framework "SystemConfiguration" -framework "UIKit" -framework "UITableView_FDTemplateLayoutCell" -framework "UMAPM" -framework "UMCommon" -framework "UMCommonLog" -framework "UMDevice" -framework "UMLink" -framework "VideoToolbox" -framework "WebKit" -framework "YYModel" -framework "YYText" -framework "ZXSDK" -framework "libpag" -framework "libwebp" -weak_framework "AppTrackingTransparency" -weak_framework "Network" -weak_framework "UserNotifications" OTHER_SWIFT_FLAGS = $(inherited) -D COCOAPODS PODS_BUILD_DIR = ${BUILD_DIR} PODS_CONFIGURATION_BUILD_DIR = ${PODS_BUILD_DIR}/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME) PODS_PODFILE_DIR_PATH = ${SRCROOT}/. PODS_ROOT = ${SRCROOT}/Pods PODS_XCFRAMEWORKS_BUILD_DIR = $(PODS_CONFIGURATION_BUILD_DIR)/XCFrameworkIntermediates +USER_HEADER_SEARCH_PATHS = $(inherited) $(SRCROOT)/libwebp/src USE_RECURSIVE_SCRIPT_INPUTS_IN_SCRIPT_PHASES = YES VALID_ARCHS = arm64 armv7 x86_64 diff --git a/ProductApp/Pods/Target Support Files/SDWebImageWebPCoder/SDWebImageWebPCoder-Info.plist b/ProductApp/Pods/Target Support Files/SDWebImageWebPCoder/SDWebImageWebPCoder-Info.plist new file mode 100644 index 0000000..5246241 --- /dev/null +++ b/ProductApp/Pods/Target Support Files/SDWebImageWebPCoder/SDWebImageWebPCoder-Info.plist @@ -0,0 +1,26 @@ + + + + + CFBundleDevelopmentRegion + ${PODS_DEVELOPMENT_LANGUAGE} + CFBundleExecutable + ${EXECUTABLE_NAME} + CFBundleIdentifier + ${PRODUCT_BUNDLE_IDENTIFIER} + CFBundleInfoDictionaryVersion + 6.0 + CFBundleName + ${PRODUCT_NAME} + CFBundlePackageType + FMWK + CFBundleShortVersionString + 0.9.1 + CFBundleSignature + ???? + CFBundleVersion + ${CURRENT_PROJECT_VERSION} + NSPrincipalClass + + + diff --git a/ProductApp/Pods/Target Support Files/SDWebImageWebPCoder/SDWebImageWebPCoder-dummy.m b/ProductApp/Pods/Target Support Files/SDWebImageWebPCoder/SDWebImageWebPCoder-dummy.m new file mode 100644 index 0000000..46650d1 --- /dev/null +++ b/ProductApp/Pods/Target Support Files/SDWebImageWebPCoder/SDWebImageWebPCoder-dummy.m @@ -0,0 +1,5 @@ +#import +@interface PodsDummy_SDWebImageWebPCoder : NSObject +@end +@implementation PodsDummy_SDWebImageWebPCoder +@end diff --git a/ProductApp/Pods/Target Support Files/SDWebImageWebPCoder/SDWebImageWebPCoder-prefix.pch b/ProductApp/Pods/Target Support Files/SDWebImageWebPCoder/SDWebImageWebPCoder-prefix.pch new file mode 100644 index 0000000..beb2a24 --- /dev/null +++ b/ProductApp/Pods/Target Support Files/SDWebImageWebPCoder/SDWebImageWebPCoder-prefix.pch @@ -0,0 +1,12 @@ +#ifdef __OBJC__ +#import +#else +#ifndef FOUNDATION_EXPORT +#if defined(__cplusplus) +#define FOUNDATION_EXPORT extern "C" +#else +#define FOUNDATION_EXPORT extern +#endif +#endif +#endif + diff --git a/ProductApp/Pods/Target Support Files/SDWebImageWebPCoder/SDWebImageWebPCoder.debug.xcconfig b/ProductApp/Pods/Target Support Files/SDWebImageWebPCoder/SDWebImageWebPCoder.debug.xcconfig new file mode 100644 index 0000000..7821025 --- /dev/null +++ b/ProductApp/Pods/Target Support Files/SDWebImageWebPCoder/SDWebImageWebPCoder.debug.xcconfig @@ -0,0 +1,15 @@ +CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = NO +CONFIGURATION_BUILD_DIR = ${PODS_CONFIGURATION_BUILD_DIR}/SDWebImageWebPCoder +FRAMEWORK_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/SDWebImage" "${PODS_CONFIGURATION_BUILD_DIR}/libwebp" +GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1 $(inherited) SD_WEBP=1 +OTHER_LDFLAGS = $(inherited) -framework "ImageIO" -framework "SDWebImage" -framework "libwebp" +PODS_BUILD_DIR = ${BUILD_DIR} +PODS_CONFIGURATION_BUILD_DIR = ${PODS_BUILD_DIR}/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME) +PODS_DEVELOPMENT_LANGUAGE = ${DEVELOPMENT_LANGUAGE} +PODS_ROOT = ${SRCROOT} +PODS_TARGET_SRCROOT = ${PODS_ROOT}/SDWebImageWebPCoder +PODS_XCFRAMEWORKS_BUILD_DIR = $(PODS_CONFIGURATION_BUILD_DIR)/XCFrameworkIntermediates +PRODUCT_BUNDLE_IDENTIFIER = org.cocoapods.${PRODUCT_NAME:rfc1034identifier} +SKIP_INSTALL = YES +USER_HEADER_SEARCH_PATHS = $(inherited) $(SRCROOT)/libwebp/src +USE_RECURSIVE_SCRIPT_INPUTS_IN_SCRIPT_PHASES = YES diff --git a/ProductApp/Pods/Target Support Files/SDWebImageWebPCoder/SDWebImageWebPCoder.modulemap b/ProductApp/Pods/Target Support Files/SDWebImageWebPCoder/SDWebImageWebPCoder.modulemap new file mode 100644 index 0000000..13d57d4 --- /dev/null +++ b/ProductApp/Pods/Target Support Files/SDWebImageWebPCoder/SDWebImageWebPCoder.modulemap @@ -0,0 +1,6 @@ +framework module SDWebImageWebPCoder { + umbrella header "SDWebImageWebPCoder.h" + + export * + module * { export * } +} diff --git a/ProductApp/Pods/Target Support Files/SDWebImageWebPCoder/SDWebImageWebPCoder.release.xcconfig b/ProductApp/Pods/Target Support Files/SDWebImageWebPCoder/SDWebImageWebPCoder.release.xcconfig new file mode 100644 index 0000000..7821025 --- /dev/null +++ b/ProductApp/Pods/Target Support Files/SDWebImageWebPCoder/SDWebImageWebPCoder.release.xcconfig @@ -0,0 +1,15 @@ +CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = NO +CONFIGURATION_BUILD_DIR = ${PODS_CONFIGURATION_BUILD_DIR}/SDWebImageWebPCoder +FRAMEWORK_SEARCH_PATHS = $(inherited) "${PODS_CONFIGURATION_BUILD_DIR}/SDWebImage" "${PODS_CONFIGURATION_BUILD_DIR}/libwebp" +GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1 $(inherited) SD_WEBP=1 +OTHER_LDFLAGS = $(inherited) -framework "ImageIO" -framework "SDWebImage" -framework "libwebp" +PODS_BUILD_DIR = ${BUILD_DIR} +PODS_CONFIGURATION_BUILD_DIR = ${PODS_BUILD_DIR}/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME) +PODS_DEVELOPMENT_LANGUAGE = ${DEVELOPMENT_LANGUAGE} +PODS_ROOT = ${SRCROOT} +PODS_TARGET_SRCROOT = ${PODS_ROOT}/SDWebImageWebPCoder +PODS_XCFRAMEWORKS_BUILD_DIR = $(PODS_CONFIGURATION_BUILD_DIR)/XCFrameworkIntermediates +PRODUCT_BUNDLE_IDENTIFIER = org.cocoapods.${PRODUCT_NAME:rfc1034identifier} +SKIP_INSTALL = YES +USER_HEADER_SEARCH_PATHS = $(inherited) $(SRCROOT)/libwebp/src +USE_RECURSIVE_SCRIPT_INPUTS_IN_SCRIPT_PHASES = YES diff --git a/ProductApp/Pods/Target Support Files/libwebp/libwebp-Info.plist b/ProductApp/Pods/Target Support Files/libwebp/libwebp-Info.plist new file mode 100644 index 0000000..aa9e2b2 --- /dev/null +++ b/ProductApp/Pods/Target Support Files/libwebp/libwebp-Info.plist @@ -0,0 +1,26 @@ + + + + + CFBundleDevelopmentRegion + ${PODS_DEVELOPMENT_LANGUAGE} + CFBundleExecutable + ${EXECUTABLE_NAME} + CFBundleIdentifier + ${PRODUCT_BUNDLE_IDENTIFIER} + CFBundleInfoDictionaryVersion + 6.0 + CFBundleName + ${PRODUCT_NAME} + CFBundlePackageType + FMWK + CFBundleShortVersionString + 1.3.2 + CFBundleSignature + ???? + CFBundleVersion + ${CURRENT_PROJECT_VERSION} + NSPrincipalClass + + + diff --git a/ProductApp/Pods/Target Support Files/libwebp/libwebp-dummy.m b/ProductApp/Pods/Target Support Files/libwebp/libwebp-dummy.m new file mode 100644 index 0000000..f8ce935 --- /dev/null +++ b/ProductApp/Pods/Target Support Files/libwebp/libwebp-dummy.m @@ -0,0 +1,5 @@ +#import +@interface PodsDummy_libwebp : NSObject +@end +@implementation PodsDummy_libwebp +@end diff --git a/ProductApp/Pods/Target Support Files/libwebp/libwebp-prefix.pch b/ProductApp/Pods/Target Support Files/libwebp/libwebp-prefix.pch new file mode 100644 index 0000000..beb2a24 --- /dev/null +++ b/ProductApp/Pods/Target Support Files/libwebp/libwebp-prefix.pch @@ -0,0 +1,12 @@ +#ifdef __OBJC__ +#import +#else +#ifndef FOUNDATION_EXPORT +#if defined(__cplusplus) +#define FOUNDATION_EXPORT extern "C" +#else +#define FOUNDATION_EXPORT extern +#endif +#endif +#endif + diff --git a/ProductApp/Pods/Target Support Files/libwebp/libwebp-umbrella.h b/ProductApp/Pods/Target Support Files/libwebp/libwebp-umbrella.h new file mode 100644 index 0000000..91cc5c8 --- /dev/null +++ b/ProductApp/Pods/Target Support Files/libwebp/libwebp-umbrella.h @@ -0,0 +1,24 @@ +#ifdef __OBJC__ +#import +#else +#ifndef FOUNDATION_EXPORT +#if defined(__cplusplus) +#define FOUNDATION_EXPORT extern "C" +#else +#define FOUNDATION_EXPORT extern +#endif +#endif +#endif + +#import "demux.h" +#import "mux.h" +#import "sharpyuv.h" +#import "decode.h" +#import "encode.h" +#import "types.h" +#import "mux_types.h" +#import "format_constants.h" + +FOUNDATION_EXPORT double libwebpVersionNumber; +FOUNDATION_EXPORT const unsigned char libwebpVersionString[]; + diff --git a/ProductApp/Pods/Target Support Files/libwebp/libwebp.debug.xcconfig b/ProductApp/Pods/Target Support Files/libwebp/libwebp.debug.xcconfig new file mode 100644 index 0000000..e80eddb --- /dev/null +++ b/ProductApp/Pods/Target Support Files/libwebp/libwebp.debug.xcconfig @@ -0,0 +1,13 @@ +CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = NO +CONFIGURATION_BUILD_DIR = ${PODS_CONFIGURATION_BUILD_DIR}/libwebp +GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1 +PODS_BUILD_DIR = ${BUILD_DIR} +PODS_CONFIGURATION_BUILD_DIR = ${PODS_BUILD_DIR}/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME) +PODS_DEVELOPMENT_LANGUAGE = ${DEVELOPMENT_LANGUAGE} +PODS_ROOT = ${SRCROOT} +PODS_TARGET_SRCROOT = ${PODS_ROOT}/libwebp +PODS_XCFRAMEWORKS_BUILD_DIR = $(PODS_CONFIGURATION_BUILD_DIR)/XCFrameworkIntermediates +PRODUCT_BUNDLE_IDENTIFIER = org.cocoapods.${PRODUCT_NAME:rfc1034identifier} +SKIP_INSTALL = YES +USER_HEADER_SEARCH_PATHS = $(inherited) ${PODS_ROOT}/libwebp/ ${PODS_TARGET_SRCROOT}/ +USE_RECURSIVE_SCRIPT_INPUTS_IN_SCRIPT_PHASES = YES diff --git a/ProductApp/Pods/Target Support Files/libwebp/libwebp.modulemap b/ProductApp/Pods/Target Support Files/libwebp/libwebp.modulemap new file mode 100644 index 0000000..f031d1c --- /dev/null +++ b/ProductApp/Pods/Target Support Files/libwebp/libwebp.modulemap @@ -0,0 +1,6 @@ +framework module libwebp { + umbrella header "libwebp-umbrella.h" + + export * + module * { export * } +} diff --git a/ProductApp/Pods/Target Support Files/libwebp/libwebp.release.xcconfig b/ProductApp/Pods/Target Support Files/libwebp/libwebp.release.xcconfig new file mode 100644 index 0000000..e80eddb --- /dev/null +++ b/ProductApp/Pods/Target Support Files/libwebp/libwebp.release.xcconfig @@ -0,0 +1,13 @@ +CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = NO +CONFIGURATION_BUILD_DIR = ${PODS_CONFIGURATION_BUILD_DIR}/libwebp +GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1 +PODS_BUILD_DIR = ${BUILD_DIR} +PODS_CONFIGURATION_BUILD_DIR = ${PODS_BUILD_DIR}/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME) +PODS_DEVELOPMENT_LANGUAGE = ${DEVELOPMENT_LANGUAGE} +PODS_ROOT = ${SRCROOT} +PODS_TARGET_SRCROOT = ${PODS_ROOT}/libwebp +PODS_XCFRAMEWORKS_BUILD_DIR = $(PODS_CONFIGURATION_BUILD_DIR)/XCFrameworkIntermediates +PRODUCT_BUNDLE_IDENTIFIER = org.cocoapods.${PRODUCT_NAME:rfc1034identifier} +SKIP_INSTALL = YES +USER_HEADER_SEARCH_PATHS = $(inherited) ${PODS_ROOT}/libwebp/ ${PODS_TARGET_SRCROOT}/ +USE_RECURSIVE_SCRIPT_INPUTS_IN_SCRIPT_PHASES = YES diff --git a/ProductApp/Pods/YYCache/LICENSE b/ProductApp/Pods/YYCache/LICENSE new file mode 100644 index 0000000..46be20b --- /dev/null +++ b/ProductApp/Pods/YYCache/LICENSE @@ -0,0 +1,22 @@ +The MIT License (MIT) + +Copyright (c) 2015 ibireme + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. + diff --git a/ProductApp/Pods/YYCache/README.md b/ProductApp/Pods/YYCache/README.md new file mode 100755 index 0000000..46623b5 --- /dev/null +++ b/ProductApp/Pods/YYCache/README.md @@ -0,0 +1,171 @@ +YYCache +============== + +[![License MIT](https://img.shields.io/badge/license-MIT-green.svg?style=flat)](https://raw.githubusercontent.com/ibireme/YYCache/master/LICENSE)  +[![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)  +[![CocoaPods](http://img.shields.io/cocoapods/v/YYCache.svg?style=flat)](http://cocoapods.org/?q= YYCache)  +[![CocoaPods](http://img.shields.io/cocoapods/p/YYCache.svg?style=flat)](http://cocoapods.org/?q= YYCache)  +[![Support](https://img.shields.io/badge/support-iOS%206%2B%20-blue.svg?style=flat)](https://www.apple.com/nl/ios/)  +[![Build Status](https://travis-ci.org/ibireme/YYCache.svg?branch=master)](https://travis-ci.org/ibireme/YYCache) + +High performance cache framework for iOS.
+(It's a component of [YYKit](https://github.com/ibireme/YYKit)) + +Performance +============== + +![Memory cache benchmark result](https://raw.github.com/ibireme/YYCache/master/Benchmark/Result_memory.png +) + +![Disk benchmark result](https://raw.github.com/ibireme/YYCache/master/Benchmark/Result_disk.png +) + +You may [download](http://www.sqlite.org/download.html) and compile the latest version of sqlite and ignore the libsqlite3.dylib in iOS system to get higher performance. + +See `Benchmark/CacheBenchmark.xcodeproj` for more benchmark case. + + +Features +============== +- **LRU**: Objects can be evicted with least-recently-used algorithm. +- **Limitation**: Cache limitation can be controlled with count, cost, age and free space. +- **Compatibility**: The API is similar to `NSCache`, all methods are thread-safe. +- **Memory Cache** + - **Release Control**: Objects can be released synchronously/asynchronously on main thread or background thread. + - **Automatically Clear**: It can be configured to automatically evict objects when receive memory warning or app enter background. +- **Disk Cache** + - **Customization**: It supports custom archive and unarchive method to store object which does not adopt NSCoding. + - **Storage Type Control**: It can automatically decide the storage type (sqlite / file) for each object to get + better performance. + + +Installation +============== + +### CocoaPods + +1. Add `pod 'YYCache'` to your Podfile. +2. Run `pod install` or `pod update`. +3. Import \. + + +### Carthage + +1. Add `github "ibireme/YYCache"` to your Cartfile. +2. Run `carthage update --platform ios` and add the framework to your project. +3. Import \. + + +### Manually + +1. Download all the files in the YYCache subdirectory. +2. Add the source files to your Xcode project. +3. Link with required frameworks: + * UIKit + * CoreFoundation + * QuartzCore + * sqlite3 +4. Import `YYCache.h`. + + +Documentation +============== +Full API documentation is available on [CocoaDocs](http://cocoadocs.org/docsets/YYCache/).
+You can also install documentation locally using [appledoc](https://github.com/tomaz/appledoc). + + +Requirements +============== +This library requires `iOS 6.0+` and `Xcode 7.0+`. + + +License +============== +YYCache is provided under the MIT license. See LICENSE file for details. + + +

+--- +中文介绍 +============== +高性能 iOS 缓存框架。
+(该项目是 [YYKit](https://github.com/ibireme/YYKit) 组件之一) + +性能 +============== + +iPhone 6 上，内存缓存每秒响应次数 (越高越好): +![Memory cache benchmark result](https://raw.github.com/ibireme/YYCache/master/Benchmark/Result_memory.png +) + +iPhone 6 上，磁盘缓存每秒响应次数 (越高越好): +![Disk benchmark result](https://raw.github.com/ibireme/YYCache/master/Benchmark/Result_disk.png +) + +推荐到 SQLite 官网[下载](http://www.sqlite.org/download.html)和编译最新的 SQLite，以替换 iOS 自带的 libsqlite3.dylib，以获得最高 1.5～3 倍的性能提升。 + +更多测试代码和用例见 `Benchmark/CacheBenchmark.xcodeproj`。 + + +特性 +============== +- **LRU**: 缓存支持 LRU (least-recently-used) 淘汰算法。 +- **缓存控制**: 支持多种缓存控制方法：总数量、总大小、存活时间、空闲空间。 +- **兼容性**: API 基本和 `NSCache` 保持一致, 所有方法都是线程安全的。 +- **内存缓存** + - **对象释放控制**: 对象的释放(release) 可以配置为同步或异步进行，可以配置在主线程或后台线程进行。 + - **自动清空**: 当收到内存警告或 App 进入后台时，缓存可以配置为自动清空。 +- **磁盘缓存** + - **可定制性**: 磁盘缓存支持自定义的归档解档方法，以支持那些没有实现 NSCoding 协议的对象。 + - **存储类型控制**: 磁盘缓存支持对每个对象的存储类型 (SQLite/文件) 进行自动或手动控制，以获得更高的存取性能。 + + +安装 +============== + +### CocoaPods + +1. 在 Podfile 中添加 `pod 'YYCache'`。 +2. 执行 `pod install` 或 `pod update`。 +3. 导入 \。 + + +### Carthage + +1. 在 Cartfile 中添加 `github "ibireme/YYCache"`。 +2. 执行 `carthage update --platform ios` 并将生成的 framework 添加到你的工程。 +3. 导入 \。 + + +### 手动安装 + +1. 下载 YYCache 文件夹内的所有内容。 +2. 将 YYCache 内的源文件添加(拖放)到你的工程。 +3. 链接以下的 frameworks: + * UIKit + * CoreFoundation + * QuartzCore + * sqlite3 +4. 导入 `YYCache.h`。 + + +文档 +============== +你可以在 [CocoaDocs](http://cocoadocs.org/docsets/YYCache/) 查看在线 API 文档，也可以用 [appledoc](https://github.com/tomaz/appledoc) 本地生成文档。 + + +系统要求 +============== +该项目最低支持 `iOS 6.0` 和 `Xcode 7.0`。 + + +许可证 +============== +YYCache 使用 MIT 许可证，详情见 LICENSE 文件。 + + +相关链接 +============== +[YYCache 设计思路与技术细节](http://blog.ibireme.com/2015/10/26/yycache/) + + diff --git a/ProductApp/Pods/YYCache/YYCache/YYCache.h b/ProductApp/Pods/YYCache/YYCache/YYCache.h new file mode 100644 index 0000000..f042ed7 --- /dev/null +++ b/ProductApp/Pods/YYCache/YYCache/YYCache.h @@ -0,0 +1,206 @@ +// +// YYCache.h +// YYCache +// +// Created by ibireme on 15/2/13. +// Copyright (c) 2015 ibireme. +// +// This source code is licensed under the MIT-style license found in the +// LICENSE file in the root directory of this source tree. +// + +#import + +#if __has_include() +FOUNDATION_EXPORT double YYCacheVersionNumber; +FOUNDATION_EXPORT const unsigned char YYCacheVersionString[]; +#import +#import +#import +#elif __has_include() +#import +#import +#import +#else +#import "YYMemoryCache.h" +#import "YYDiskCache.h" +#import "YYKVStorage.h" +#endif + +NS_ASSUME_NONNULL_BEGIN + + +/** + `YYCache` is a thread safe key-value cache. + + It use `YYMemoryCache` to store objects in a small and fast memory cache, + and use `YYDiskCache` to persisting objects to a large and slow disk cache. + See `YYMemoryCache` and `YYDiskCache` for more information. + */ +@interface YYCache : NSObject + +/** The name of the cache, readonly. */ +@property (copy, readonly) NSString *name; + +/** The underlying memory cache. see `YYMemoryCache` for more information.*/ +@property (strong, readonly) YYMemoryCache *memoryCache; + +/** The underlying disk cache. see `YYDiskCache` for more information.*/ +@property (strong, readonly) YYDiskCache *diskCache; + +/** + Create a new instance with the specified name. + Multiple instances with the same name will make the cache unstable. + + @param name The name of the cache. It will create a dictionary with the name in + the app's caches dictionary for disk cache. Once initialized you should not + read and write to this directory. + @result A new cache object, or nil if an error occurs. + */ +- (nullable instancetype)initWithName:(NSString *)name; + +/** + Create a new instance with the specified path. + Multiple instances with the same name will make the cache unstable. + + @param path Full path of a directory in which the cache will write data. + Once initialized you should not read and write to this directory. + @result A new cache object, or nil if an error occurs. + */ +- (nullable instancetype)initWithPath:(NSString *)path NS_DESIGNATED_INITIALIZER; + +/** + Convenience Initializers + Create a new instance with the specified name. + Multiple instances with the same name will make the cache unstable. + + @param name The name of the cache. It will create a dictionary with the name in + the app's caches dictionary for disk cache. Once initialized you should not + read and write to this directory. + @result A new cache object, or nil if an error occurs. + */ ++ (nullable instancetype)cacheWithName:(NSString *)name; + +/** + Convenience Initializers + Create a new instance with the specified path. + Multiple instances with the same name will make the cache unstable. + + @param path Full path of a directory in which the cache will write data. + Once initialized you should not read and write to this directory. + @result A new cache object, or nil if an error occurs. + */ ++ (nullable instancetype)cacheWithPath:(NSString *)path; + +- (instancetype)init UNAVAILABLE_ATTRIBUTE; ++ (instancetype)new UNAVAILABLE_ATTRIBUTE; + +#pragma mark - Access Methods +///============================================================================= +/// @name Access Methods +///============================================================================= + +/** + Returns a boolean value that indicates whether a given key is in cache. + This method may blocks the calling thread until file read finished. + + @param key A string identifying the value. If nil, just return NO. + @return Whether the key is in cache. + */ +- (BOOL)containsObjectForKey:(NSString *)key; + +/** + Returns a boolean value with the block that indicates whether a given key is in cache. + This method returns immediately and invoke the passed block in background queue + when the operation finished. + + @param key A string identifying the value. If nil, just return NO. + @param block A block which will be invoked in background queue when finished. + */ +- (void)containsObjectForKey:(NSString *)key withBlock:(nullable void(^)(NSString *key, BOOL contains))block; + +/** + Returns the value associated with a given key. + This method may blocks the calling thread until file read finished. + + @param key A string identifying the value. If nil, just return nil. + @return The value associated with key, or nil if no value is associated with key. + */ +- (nullable id)objectForKey:(NSString *)key; + +/** + Returns the value associated with a given key. + This method returns immediately and invoke the passed block in background queue + when the operation finished. + + @param key A string identifying the value. If nil, just return nil. + @param block A block which will be invoked in background queue when finished. + */ +- (void)objectForKey:(NSString *)key withBlock:(nullable void(^)(NSString *key, id object))block; + +/** + Sets the value of the specified key in the cache. + This method may blocks the calling thread until file write finished. + + @param object The object to be stored in the cache. If nil, it calls `removeObjectForKey:`. + @param key The key with which to associate the value. If nil, this method has no effect. + */ +- (void)setObject:(nullable id)object forKey:(NSString *)key; + +/** + Sets the value of the specified key in the cache. + This method returns immediately and invoke the passed block in background queue + when the operation finished. + + @param object The object to be stored in the cache. If nil, it calls `removeObjectForKey:`. + @param block A block which will be invoked in background queue when finished. + */ +- (void)setObject:(nullable id)object forKey:(NSString *)key withBlock:(nullable void(^)(void))block; + +/** + Removes the value of the specified key in the cache. + This method may blocks the calling thread until file delete finished. + + @param key The key identifying the value to be removed. If nil, this method has no effect. + */ +- (void)removeObjectForKey:(NSString *)key; + +/** + Removes the value of the specified key in the cache. + This method returns immediately and invoke the passed block in background queue + when the operation finished. + + @param key The key identifying the value to be removed. If nil, this method has no effect. + @param block A block which will be invoked in background queue when finished. + */ +- (void)removeObjectForKey:(NSString *)key withBlock:(nullable void(^)(NSString *key))block; + +/** + Empties the cache. + This method may blocks the calling thread until file delete finished. + */ +- (void)removeAllObjects; + +/** + Empties the cache. + This method returns immediately and invoke the passed block in background queue + when the operation finished. + + @param block A block which will be invoked in background queue when finished. + */ +- (void)removeAllObjectsWithBlock:(void(^)(void))block; + +/** + Empties the cache with block. + This method returns immediately and executes the clear operation with block in background. + + @warning You should not send message to this instance in these blocks. + @param progress This block will be invoked during removing, pass nil to ignore. + @param end This block will be invoked at the end, pass nil to ignore. + */ +- (void)removeAllObjectsWithProgressBlock:(nullable void(^)(int removedCount, int totalCount))progress + endBlock:(nullable void(^)(BOOL error))end; + +@end + +NS_ASSUME_NONNULL_END diff --git a/ProductApp/Pods/YYCache/YYCache/YYCache.m b/ProductApp/Pods/YYCache/YYCache/YYCache.m new file mode 100644 index 0000000..e6cdcba --- /dev/null +++ b/ProductApp/Pods/YYCache/YYCache/YYCache.m @@ -0,0 +1,139 @@ +// +// YYCache.m +// YYCache +// +// Created by ibireme on 15/2/13. +// Copyright (c) 2015 ibireme. +// +// This source code is licensed under the MIT-style license found in the +// LICENSE file in the root directory of this source tree. +// + +#import "YYCache.h" +#import "YYMemoryCache.h" +#import "YYDiskCache.h" + +@implementation YYCache + +- (instancetype) init { + NSLog(@"Use \"initWithName\" or \"initWithPath\" to create YYCache instance."); + return [self initWithPath:@""]; +} + +- (instancetype)initWithName:(NSString *)name { + if (name.length == 0) return nil; + NSString *cacheFolder = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) firstObject]; + NSString *path = [cacheFolder stringByAppendingPathComponent:name]; + return [self initWithPath:path]; +} + +- (instancetype)initWithPath:(NSString *)path { + if (path.length == 0) return nil; + YYDiskCache *diskCache = [[YYDiskCache alloc] initWithPath:path]; + if (!diskCache) return nil; + NSString *name = [path lastPathComponent]; + YYMemoryCache *memoryCache = [YYMemoryCache new]; + memoryCache.name = name; + + self = [super init]; + _name = name; + _diskCache = diskCache; + _memoryCache = memoryCache; + return self; +} + ++ (instancetype)cacheWithName:(NSString *)name { + return [[self alloc] initWithName:name]; +} + ++ (instancetype)cacheWithPath:(NSString *)path { + return [[self alloc] initWithPath:path]; +} + +- (BOOL)containsObjectForKey:(NSString *)key { + return [_memoryCache containsObjectForKey:key] || [_diskCache containsObjectForKey:key]; +} + +- (void)containsObjectForKey:(NSString *)key withBlock:(void (^)(NSString *key, BOOL contains))block { + if (!block) return; + + if ([_memoryCache containsObjectForKey:key]) { + dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ + block(key, YES); + }); + } else { + [_diskCache containsObjectForKey:key withBlock:block]; + } +} + +- (id)objectForKey:(NSString *)key { + id object = [_memoryCache objectForKey:key]; + if (!object) { + object = [_diskCache objectForKey:key]; + if (object) { + [_memoryCache setObject:object forKey:key]; + } + } + return object; +} + +- (void)objectForKey:(NSString *)key withBlock:(void (^)(NSString *key, id object))block { + if (!block) return; + id object = [_memoryCache objectForKey:key]; + if (object) { + dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ + block(key, object); + }); + } else { + [_diskCache objectForKey:key withBlock:^(NSString *key, id object) { + if (object && ![_memoryCache objectForKey:key]) { + [_memoryCache setObject:object forKey:key]; + } + block(key, object); + }]; + } +} + +- (void)setObject:(id)object forKey:(NSString *)key { + [_memoryCache setObject:object forKey:key]; + [_diskCache setObject:object forKey:key]; +} + +- (void)setObject:(id)object forKey:(NSString *)key withBlock:(void (^)(void))block { + [_memoryCache setObject:object forKey:key]; + [_diskCache setObject:object forKey:key withBlock:block]; +} + +- (void)removeObjectForKey:(NSString *)key { + [_memoryCache removeObjectForKey:key]; + [_diskCache removeObjectForKey:key]; +} + +- (void)removeObjectForKey:(NSString *)key withBlock:(void (^)(NSString *key))block { + [_memoryCache removeObjectForKey:key]; + [_diskCache removeObjectForKey:key withBlock:block]; +} + +- (void)removeAllObjects { + [_memoryCache removeAllObjects]; + [_diskCache removeAllObjects]; +} + +- (void)removeAllObjectsWithBlock:(void(^)(void))block { + [_memoryCache removeAllObjects]; + [_diskCache removeAllObjectsWithBlock:block]; +} + +- (void)removeAllObjectsWithProgressBlock:(void(^)(int removedCount, int totalCount))progress + endBlock:(void(^)(BOOL error))end { + [_memoryCache removeAllObjects]; + [_diskCache removeAllObjectsWithProgressBlock:progress endBlock:end]; + +} + +- (NSString *)description { + if (_name) return [NSString stringWithFormat:@"<%@: %p> (%@)", self.class, self, _name]; + else return [NSString stringWithFormat:@"<%@: %p>", self.class, self]; +} + +@end diff --git a/ProductApp/Pods/YYCache/YYCache/YYDiskCache.h b/ProductApp/Pods/YYCache/YYCache/YYDiskCache.h new file mode 100644 index 0000000..dd193e4 --- /dev/null +++ b/ProductApp/Pods/YYCache/YYCache/YYDiskCache.h @@ -0,0 +1,412 @@ +// +// YYDiskCache.h +// YYCache +// +// Created by ibireme on 15/2/11. +// Copyright (c) 2015 ibireme. +// +// This source code is licensed under the MIT-style license found in the +// LICENSE file in the root directory of this source tree. +// + +#import + +NS_ASSUME_NONNULL_BEGIN + +/** + YYDiskCache is a thread-safe cache that stores key-value pairs backed by SQLite + and file system (similar to NSURLCache's disk cache). + + YYDiskCache has these features: + + * It use LRU (least-recently-used) to remove objects. + * It can be controlled by cost, count, and age. + * It can be configured to automatically evict objects when there's no free disk space. + * It can automatically decide the storage type (sqlite/file) for each object to get + better performance. + + You may compile the latest version of sqlite and ignore the libsqlite3.dylib in + iOS system to get 2x~4x speed up. + */ +@interface YYDiskCache : NSObject + +#pragma mark - Attribute +///============================================================================= +/// @name Attribute +///============================================================================= + +/** The name of the cache. Default is nil. */ +@property (nullable, copy) NSString *name; + +/** The path of the cache (read-only). */ +@property (readonly) NSString *path; + +/** + If the object's data size (in bytes) is larger than this value, then object will + be stored as a file, otherwise the object will be stored in sqlite. + + 0 means all objects will be stored as separated files, NSUIntegerMax means all + objects will be stored in sqlite. + + The default value is 20480 (20KB). + */ +@property (readonly) NSUInteger inlineThreshold; + +/** + If this block is not nil, then the block will be used to archive object instead + of NSKeyedArchiver. You can use this block to support the objects which do not + conform to the `NSCoding` protocol. + + The default value is nil. + */ +@property (nullable, copy) NSData *(^customArchiveBlock)(id object); + +/** + If this block is not nil, then the block will be used to unarchive object instead + of NSKeyedUnarchiver. You can use this block to support the objects which do not + conform to the `NSCoding` protocol. + + The default value is nil. + */ +@property (nullable, copy) id (^customUnarchiveBlock)(NSData *data); + +/** + When an object needs to be saved as a file, this block will be invoked to generate + a file name for a specified key. If the block is nil, the cache use md5(key) as + default file name. + + The default value is nil. + */ +@property (nullable, copy) NSString *(^customFileNameBlock)(NSString *key); + + + +#pragma mark - Limit +///============================================================================= +/// @name Limit +///============================================================================= + +/** + The maximum number of objects the cache should hold. + + @discussion The default value is NSUIntegerMax, which means no limit. + This is not a strict limit — if the cache goes over the limit, some objects in the + cache could be evicted later in background queue. + */ +@property NSUInteger countLimit; + +/** + The maximum total cost that the cache can hold before it starts evicting objects. + + @discussion The default value is NSUIntegerMax, which means no limit. + This is not a strict limit — if the cache goes over the limit, some objects in the + cache could be evicted later in background queue. + */ +@property NSUInteger costLimit; + +/** + The maximum expiry time of objects in cache. + + @discussion The default value is DBL_MAX, which means no limit. + This is not a strict limit — if an object goes over the limit, the objects could + be evicted later in background queue. + */ +@property NSTimeInterval ageLimit; + +/** + The minimum free disk space (in bytes) which the cache should kept. + + @discussion The default value is 0, which means no limit. + If the free disk space is lower than this value, the cache will remove objects + to free some disk space. This is not a strict limit—if the free disk space goes + over the limit, the objects could be evicted later in background queue. + */ +@property NSUInteger freeDiskSpaceLimit; + +/** + The auto trim check time interval in seconds. Default is 60 (1 minute). + + @discussion The cache holds an internal timer to check whether the cache reaches + its limits, and if the limit is reached, it begins to evict objects. + */ +@property NSTimeInterval autoTrimInterval; + +/** + Set `YES` to enable error logs for debug. + */ +@property BOOL errorLogsEnabled; + +#pragma mark - Initializer +///============================================================================= +/// @name Initializer +///============================================================================= +- (instancetype)init UNAVAILABLE_ATTRIBUTE; ++ (instancetype)new UNAVAILABLE_ATTRIBUTE; + +/** + Create a new cache based on the specified path. + + @param path Full path of a directory in which the cache will write data. + Once initialized you should not read and write to this directory. + + @return A new cache object, or nil if an error occurs. + + @warning If the cache instance for the specified path already exists in memory, + this method will return it directly, instead of creating a new instance. + */ +- (nullable instancetype)initWithPath:(NSString *)path; + +/** + The designated initializer. + + @param path Full path of a directory in which the cache will write data. + Once initialized you should not read and write to this directory. + + @param threshold The data store inline threshold in bytes. If the object's data + size (in bytes) is larger than this value, then object will be stored as a + file, otherwise the object will be stored in sqlite. 0 means all objects will + be stored as separated files, NSUIntegerMax means all objects will be stored + in sqlite. If you don't know your object's size, 20480 is a good choice. + After first initialized you should not change this value of the specified path. + + @return A new cache object, or nil if an error occurs. + + @warning If the cache instance for the specified path already exists in memory, + this method will return it directly, instead of creating a new instance. + */ +- (nullable instancetype)initWithPath:(NSString *)path + inlineThreshold:(NSUInteger)threshold NS_DESIGNATED_INITIALIZER; + + +#pragma mark - Access Methods +///============================================================================= +/// @name Access Methods +///============================================================================= + +/** + Returns a boolean value that indicates whether a given key is in cache. + This method may blocks the calling thread until file read finished. + + @param key A string identifying the value. If nil, just return NO. + @return Whether the key is in cache. + */ +- (BOOL)containsObjectForKey:(NSString *)key; + +/** + Returns a boolean value with the block that indicates whether a given key is in cache. + This method returns immediately and invoke the passed block in background queue + when the operation finished. + + @param key A string identifying the value. If nil, just return NO. + @param block A block which will be invoked in background queue when finished. + */ +- (void)containsObjectForKey:(NSString *)key withBlock:(void(^)(NSString *key, BOOL contains))block; + +/** + Returns the value associated with a given key. + This method may blocks the calling thread until file read finished. + + @param key A string identifying the value. If nil, just return nil. + @return The value associated with key, or nil if no value is associated with key. + */ +- (nullable id)objectForKey:(NSString *)key; + +/** + Returns the value associated with a given key. + This method returns immediately and invoke the passed block in background queue + when the operation finished. + + @param key A string identifying the value. If nil, just return nil. + @param block A block which will be invoked in background queue when finished. + */ +- (void)objectForKey:(NSString *)key withBlock:(void(^)(NSString *key, id _Nullable object))block; + +/** + Sets the value of the specified key in the cache. + This method may blocks the calling thread until file write finished. + + @param object The object to be stored in the cache. If nil, it calls `removeObjectForKey:`. + @param key The key with which to associate the value. If nil, this method has no effect. + */ +- (void)setObject:(nullable id)object forKey:(NSString *)key; + +/** + Sets the value of the specified key in the cache. + This method returns immediately and invoke the passed block in background queue + when the operation finished. + + @param object The object to be stored in the cache. If nil, it calls `removeObjectForKey:`. + @param block A block which will be invoked in background queue when finished. + */ +- (void)setObject:(nullable id)object forKey:(NSString *)key withBlock:(void(^)(void))block; + +/** + Removes the value of the specified key in the cache. + This method may blocks the calling thread until file delete finished. + + @param key The key identifying the value to be removed. If nil, this method has no effect. + */ +- (void)removeObjectForKey:(NSString *)key; + +/** + Removes the value of the specified key in the cache. + This method returns immediately and invoke the passed block in background queue + when the operation finished. + + @param key The key identifying the value to be removed. If nil, this method has no effect. + @param block A block which will be invoked in background queue when finished. + */ +- (void)removeObjectForKey:(NSString *)key withBlock:(void(^)(NSString *key))block; + +/** + Empties the cache. + This method may blocks the calling thread until file delete finished. + */ +- (void)removeAllObjects; + +/** + Empties the cache. + This method returns immediately and invoke the passed block in background queue + when the operation finished. + + @param block A block which will be invoked in background queue when finished. + */ +- (void)removeAllObjectsWithBlock:(void(^)(void))block; + +/** + Empties the cache with block. + This method returns immediately and executes the clear operation with block in background. + + @warning You should not send message to this instance in these blocks. + @param progress This block will be invoked during removing, pass nil to ignore. + @param end This block will be invoked at the end, pass nil to ignore. + */ +- (void)removeAllObjectsWithProgressBlock:(nullable void(^)(int removedCount, int totalCount))progress + endBlock:(nullable void(^)(BOOL error))end; + + +/** + Returns the number of objects in this cache. + This method may blocks the calling thread until file read finished. + + @return The total objects count. + */ +- (NSInteger)totalCount; + +/** + Get the number of objects in this cache. + This method returns immediately and invoke the passed block in background queue + when the operation finished. + + @param block A block which will be invoked in background queue when finished. + */ +- (void)totalCountWithBlock:(void(^)(NSInteger totalCount))block; + +/** + Returns the total cost (in bytes) of objects in this cache. + This method may blocks the calling thread until file read finished. + + @return The total objects cost in bytes. + */ +- (NSInteger)totalCost; + +/** + Get the total cost (in bytes) of objects in this cache. + This method returns immediately and invoke the passed block in background queue + when the operation finished. + + @param block A block which will be invoked in background queue when finished. + */ +- (void)totalCostWithBlock:(void(^)(NSInteger totalCost))block; + + +#pragma mark - Trim +///============================================================================= +/// @name Trim +///============================================================================= + +/** + Removes objects from the cache use LRU, until the `totalCount` is below the specified value. + This method may blocks the calling thread until operation finished. + + @param count The total count allowed to remain after the cache has been trimmed. + */ +- (void)trimToCount:(NSUInteger)count; + +/** + Removes objects from the cache use LRU, until the `totalCount` is below the specified value. + This method returns immediately and invoke the passed block in background queue + when the operation finished. + + @param count The total count allowed to remain after the cache has been trimmed. + @param block A block which will be invoked in background queue when finished. + */ +- (void)trimToCount:(NSUInteger)count withBlock:(void(^)(void))block; + +/** + Removes objects from the cache use LRU, until the `totalCost` is below the specified value. + This method may blocks the calling thread until operation finished. + + @param cost The total cost allowed to remain after the cache has been trimmed. + */ +- (void)trimToCost:(NSUInteger)cost; + +/** + Removes objects from the cache use LRU, until the `totalCost` is below the specified value. + This method returns immediately and invoke the passed block in background queue + when the operation finished. + + @param cost The total cost allowed to remain after the cache has been trimmed. + @param block A block which will be invoked in background queue when finished. + */ +- (void)trimToCost:(NSUInteger)cost withBlock:(void(^)(void))block; + +/** + Removes objects from the cache use LRU, until all expiry objects removed by the specified value. + This method may blocks the calling thread until operation finished. + + @param age The maximum age of the object. + */ +- (void)trimToAge:(NSTimeInterval)age; + +/** + Removes objects from the cache use LRU, until all expiry objects removed by the specified value. + This method returns immediately and invoke the passed block in background queue + when the operation finished. + + @param age The maximum age of the object. + @param block A block which will be invoked in background queue when finished. + */ +- (void)trimToAge:(NSTimeInterval)age withBlock:(void(^)(void))block; + + +#pragma mark - Extended Data +///============================================================================= +/// @name Extended Data +///============================================================================= + +/** + Get extended data from an object. + + @discussion See 'setExtendedData:toObject:' for more information. + + @param object An object. + @return The extended data. + */ ++ (nullable NSData *)getExtendedDataFromObject:(id)object; + +/** + Set extended data to an object. + + @discussion You can set any extended data to an object before you save the object + to disk cache. The extended data will also be saved with this object. You can get + the extended data later with "getExtendedDataFromObject:". + + @param extendedData The extended data (pass nil to remove). + @param object The object. + */ ++ (void)setExtendedData:(nullable NSData *)extendedData toObject:(id)object; + +@end + +NS_ASSUME_NONNULL_END diff --git a/ProductApp/Pods/YYCache/YYCache/YYDiskCache.m b/ProductApp/Pods/YYCache/YYCache/YYDiskCache.m new file mode 100644 index 0000000..735cc5d --- /dev/null +++ b/ProductApp/Pods/YYCache/YYCache/YYDiskCache.m @@ -0,0 +1,458 @@ +// +// YYDiskCache.m +// YYCache +// +// Created by ibireme on 15/2/11. +// Copyright (c) 2015 ibireme. +// +// This source code is licensed under the MIT-style license found in the +// LICENSE file in the root directory of this source tree. +// + +#import "YYDiskCache.h" +#import "YYKVStorage.h" +#import +#import +#import +#import + +#define Lock() dispatch_semaphore_wait(self->_lock, DISPATCH_TIME_FOREVER) +#define Unlock() dispatch_semaphore_signal(self->_lock) + +static const int extended_data_key; + +/// Free disk space in bytes. +static int64_t _YYDiskSpaceFree() { + NSError *error = nil; + NSDictionary *attrs = [[NSFileManager defaultManager] attributesOfFileSystemForPath:NSHomeDirectory() error:&error]; + if (error) return -1; + int64_t space = [[attrs objectForKey:NSFileSystemFreeSize] longLongValue]; + if (space < 0) space = -1; + return space; +} + +/// String's md5 hash. +static NSString *_YYNSStringMD5(NSString *string) { + if (!string) return nil; + NSData *data = [string dataUsingEncoding:NSUTF8StringEncoding]; + unsigned char result[CC_MD5_DIGEST_LENGTH]; + CC_MD5(data.bytes, (CC_LONG)data.length, result); + return [NSString stringWithFormat: + @"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", + result[0], result[1], result[2], result[3], + result[4], result[5], result[6], result[7], + result[8], result[9], result[10], result[11], + result[12], result[13], result[14], result[15] + ]; +} + +/// weak reference for all instances +static NSMapTable *_globalInstances; +static dispatch_semaphore_t _globalInstancesLock; + +static void _YYDiskCacheInitGlobal() { + static dispatch_once_t onceToken; + dispatch_once(&onceToken, ^{ + _globalInstancesLock = dispatch_semaphore_create(1); + _globalInstances = [[NSMapTable alloc] initWithKeyOptions:NSPointerFunctionsStrongMemory valueOptions:NSPointerFunctionsWeakMemory capacity:0]; + }); +} + +static YYDiskCache *_YYDiskCacheGetGlobal(NSString *path) { + if (path.length == 0) return nil; + _YYDiskCacheInitGlobal(); + dispatch_semaphore_wait(_globalInstancesLock, DISPATCH_TIME_FOREVER); + id cache = [_globalInstances objectForKey:path]; + dispatch_semaphore_signal(_globalInstancesLock); + return cache; +} + +static void _YYDiskCacheSetGlobal(YYDiskCache *cache) { + if (cache.path.length == 0) return; + _YYDiskCacheInitGlobal(); + dispatch_semaphore_wait(_globalInstancesLock, DISPATCH_TIME_FOREVER); + [_globalInstances setObject:cache forKey:cache.path]; + dispatch_semaphore_signal(_globalInstancesLock); +} + + + +@implementation YYDiskCache { + YYKVStorage *_kv; + dispatch_semaphore_t _lock; + dispatch_queue_t _queue; +} + +- (void)_trimRecursively { + __weak typeof(self) _self = self; + dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(_autoTrimInterval * NSEC_PER_SEC)), dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW, 0), ^{ + __strong typeof(_self) self = _self; + if (!self) return; + [self _trimInBackground]; + [self _trimRecursively]; + }); +} + +- (void)_trimInBackground { + __weak typeof(self) _self = self; + dispatch_async(_queue, ^{ + __strong typeof(_self) self = _self; + if (!self) return; + Lock(); + [self _trimToCost:self.costLimit]; + [self _trimToCount:self.countLimit]; + [self _trimToAge:self.ageLimit]; + [self _trimToFreeDiskSpace:self.freeDiskSpaceLimit]; + Unlock(); + }); +} + +- (void)_trimToCost:(NSUInteger)costLimit { + if (costLimit >= INT_MAX) return; + [_kv removeItemsToFitSize:(int)costLimit]; + +} + +- (void)_trimToCount:(NSUInteger)countLimit { + if (countLimit >= INT_MAX) return; + [_kv removeItemsToFitCount:(int)countLimit]; +} + +- (void)_trimToAge:(NSTimeInterval)ageLimit { + if (ageLimit <= 0) { + [_kv removeAllItems]; + return; + } + long timestamp = time(NULL); + if (timestamp <= ageLimit) return; + long age = timestamp - ageLimit; + if (age >= INT_MAX) return; + [_kv removeItemsEarlierThanTime:(int)age]; +} + +- (void)_trimToFreeDiskSpace:(NSUInteger)targetFreeDiskSpace { + if (targetFreeDiskSpace == 0) return; + int64_t totalBytes = [_kv getItemsSize]; + if (totalBytes <= 0) return; + int64_t diskFreeBytes = _YYDiskSpaceFree(); + if (diskFreeBytes < 0) return; + int64_t needTrimBytes = targetFreeDiskSpace - diskFreeBytes; + if (needTrimBytes <= 0) return; + int64_t costLimit = totalBytes - needTrimBytes; + if (costLimit < 0) costLimit = 0; + [self _trimToCost:(int)costLimit]; +} + +- (NSString *)_filenameForKey:(NSString *)key { + NSString *filename = nil; + if (_customFileNameBlock) filename = _customFileNameBlock(key); + if (!filename) filename = _YYNSStringMD5(key); + return filename; +} + +- (void)_appWillBeTerminated { + Lock(); + _kv = nil; + Unlock(); +} + +#pragma mark - public + +- (void)dealloc { + [[NSNotificationCenter defaultCenter] removeObserver:self name:UIApplicationWillTerminateNotification object:nil]; +} + +- (instancetype)init { + @throw [NSException exceptionWithName:@"YYDiskCache init error" reason:@"YYDiskCache must be initialized with a path. Use 'initWithPath:' or 'initWithPath:inlineThreshold:' instead." userInfo:nil]; + return [self initWithPath:@"" inlineThreshold:0]; +} + +- (instancetype)initWithPath:(NSString *)path { + return [self initWithPath:path inlineThreshold:1024 * 20]; // 20KB +} + +- (instancetype)initWithPath:(NSString *)path + inlineThreshold:(NSUInteger)threshold { + self = [super init]; + if (!self) return nil; + + YYDiskCache *globalCache = _YYDiskCacheGetGlobal(path); + if (globalCache) return globalCache; + + YYKVStorageType type; + if (threshold == 0) { + type = YYKVStorageTypeFile; + } else if (threshold == NSUIntegerMax) { + type = YYKVStorageTypeSQLite; + } else { + type = YYKVStorageTypeMixed; + } + + YYKVStorage *kv = [[YYKVStorage alloc] initWithPath:path type:type]; + if (!kv) return nil; + + _kv = kv; + _path = path; + _lock = dispatch_semaphore_create(1); + _queue = dispatch_queue_create("com.ibireme.cache.disk", DISPATCH_QUEUE_CONCURRENT); + _inlineThreshold = threshold; + _countLimit = NSUIntegerMax; + _costLimit = NSUIntegerMax; + _ageLimit = DBL_MAX; + _freeDiskSpaceLimit = 0; + _autoTrimInterval = 60; + + [self _trimRecursively]; + _YYDiskCacheSetGlobal(self); + + [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(_appWillBeTerminated) name:UIApplicationWillTerminateNotification object:nil]; + return self; +} + +- (BOOL)containsObjectForKey:(NSString *)key { + if (!key) return NO; + Lock(); + BOOL contains = [_kv itemExistsForKey:key]; + Unlock(); + return contains; +} + +- (void)containsObjectForKey:(NSString *)key withBlock:(void(^)(NSString *key, BOOL contains))block { + if (!block) return; + __weak typeof(self) _self = self; + dispatch_async(_queue, ^{ + __strong typeof(_self) self = _self; + BOOL contains = [self containsObjectForKey:key]; + block(key, contains); + }); +} + +- (id)objectForKey:(NSString *)key { + if (!key) return nil; + Lock(); + YYKVStorageItem *item = [_kv getItemForKey:key]; + Unlock(); + if (!item.value) return nil; + + id object = nil; + if (_customUnarchiveBlock) { + object = _customUnarchiveBlock(item.value); + } else { + @try { + object = [NSKeyedUnarchiver unarchiveObjectWithData:item.value]; + } + @catch (NSException *exception) { + // nothing to do... + } + } + if (object && item.extendedData) { + [YYDiskCache setExtendedData:item.extendedData toObject:object]; + } + return object; +} + +- (void)objectForKey:(NSString *)key withBlock:(void(^)(NSString *key, id object))block { + if (!block) return; + __weak typeof(self) _self = self; + dispatch_async(_queue, ^{ + __strong typeof(_self) self = _self; + id object = [self objectForKey:key]; + block(key, object); + }); +} + +- (void)setObject:(id)object forKey:(NSString *)key { + if (!key) return; + if (!object) { + [self removeObjectForKey:key]; + return; + } + + NSData *extendedData = [YYDiskCache getExtendedDataFromObject:object]; + NSData *value = nil; + if (_customArchiveBlock) { + value = _customArchiveBlock(object); + } else { + @try { + value = [NSKeyedArchiver archivedDataWithRootObject:object]; + } + @catch (NSException *exception) { + // nothing to do... + } + } + if (!value) return; + NSString *filename = nil; + if (_kv.type != YYKVStorageTypeSQLite) { + if (value.length > _inlineThreshold) { + filename = [self _filenameForKey:key]; + } + } + + Lock(); + [_kv saveItemWithKey:key value:value filename:filename extendedData:extendedData]; + Unlock(); +} + +- (void)setObject:(id)object forKey:(NSString *)key withBlock:(void(^)(void))block { + __weak typeof(self) _self = self; + dispatch_async(_queue, ^{ + __strong typeof(_self) self = _self; + [self setObject:object forKey:key]; + if (block) block(); + }); +} + +- (void)removeObjectForKey:(NSString *)key { + if (!key) return; + Lock(); + [_kv removeItemForKey:key]; + Unlock(); +} + +- (void)removeObjectForKey:(NSString *)key withBlock:(void(^)(NSString *key))block { + __weak typeof(self) _self = self; + dispatch_async(_queue, ^{ + __strong typeof(_self) self = _self; + [self removeObjectForKey:key]; + if (block) block(key); + }); +} + +- (void)removeAllObjects { + Lock(); + [_kv removeAllItems]; + Unlock(); +} + +- (void)removeAllObjectsWithBlock:(void(^)(void))block { + __weak typeof(self) _self = self; + dispatch_async(_queue, ^{ + __strong typeof(_self) self = _self; + [self removeAllObjects]; + if (block) block(); + }); +} + +- (void)removeAllObjectsWithProgressBlock:(void(^)(int removedCount, int totalCount))progress + endBlock:(void(^)(BOOL error))end { + __weak typeof(self) _self = self; + dispatch_async(_queue, ^{ + __strong typeof(_self) self = _self; + if (!self) { + if (end) end(YES); + return; + } + Lock(); + [_kv removeAllItemsWithProgressBlock:progress endBlock:end]; + Unlock(); + }); +} + +- (NSInteger)totalCount { + Lock(); + int count = [_kv getItemsCount]; + Unlock(); + return count; +} + +- (void)totalCountWithBlock:(void(^)(NSInteger totalCount))block { + if (!block) return; + __weak typeof(self) _self = self; + dispatch_async(_queue, ^{ + __strong typeof(_self) self = _self; + NSInteger totalCount = [self totalCount]; + block(totalCount); + }); +} + +- (NSInteger)totalCost { + Lock(); + int count = [_kv getItemsSize]; + Unlock(); + return count; +} + +- (void)totalCostWithBlock:(void(^)(NSInteger totalCost))block { + if (!block) return; + __weak typeof(self) _self = self; + dispatch_async(_queue, ^{ + __strong typeof(_self) self = _self; + NSInteger totalCost = [self totalCost]; + block(totalCost); + }); +} + +- (void)trimToCount:(NSUInteger)count { + Lock(); + [self _trimToCount:count]; + Unlock(); +} + +- (void)trimToCount:(NSUInteger)count withBlock:(void(^)(void))block { + __weak typeof(self) _self = self; + dispatch_async(_queue, ^{ + __strong typeof(_self) self = _self; + [self trimToCount:count]; + if (block) block(); + }); +} + +- (void)trimToCost:(NSUInteger)cost { + Lock(); + [self _trimToCost:cost]; + Unlock(); +} + +- (void)trimToCost:(NSUInteger)cost withBlock:(void(^)(void))block { + __weak typeof(self) _self = self; + dispatch_async(_queue, ^{ + __strong typeof(_self) self = _self; + [self trimToCost:cost]; + if (block) block(); + }); +} + +- (void)trimToAge:(NSTimeInterval)age { + Lock(); + [self _trimToAge:age]; + Unlock(); +} + +- (void)trimToAge:(NSTimeInterval)age withBlock:(void(^)(void))block { + __weak typeof(self) _self = self; + dispatch_async(_queue, ^{ + __strong typeof(_self) self = _self; + [self trimToAge:age]; + if (block) block(); + }); +} + ++ (NSData *)getExtendedDataFromObject:(id)object { + if (!object) return nil; + return (NSData *)objc_getAssociatedObject(object, &extended_data_key); +} + ++ (void)setExtendedData:(NSData *)extendedData toObject:(id)object { + if (!object) return; + objc_setAssociatedObject(object, &extended_data_key, extendedData, OBJC_ASSOCIATION_RETAIN_NONATOMIC); +} + +- (NSString *)description { + if (_name) return [NSString stringWithFormat:@"<%@: %p> (%@:%@)", self.class, self, _name, _path]; + else return [NSString stringWithFormat:@"<%@: %p> (%@)", self.class, self, _path]; +} + +- (BOOL)errorLogsEnabled { + Lock(); + BOOL enabled = _kv.errorLogsEnabled; + Unlock(); + return enabled; +} + +- (void)setErrorLogsEnabled:(BOOL)errorLogsEnabled { + Lock(); + _kv.errorLogsEnabled = errorLogsEnabled; + Unlock(); +} + +@end diff --git a/ProductApp/Pods/YYCache/YYCache/YYKVStorage.h b/ProductApp/Pods/YYCache/YYCache/YYKVStorage.h new file mode 100644 index 0000000..939a6e4 --- /dev/null +++ b/ProductApp/Pods/YYCache/YYCache/YYKVStorage.h @@ -0,0 +1,325 @@ +// +// YYKVStorage.h +// YYCache +// +// Created by ibireme on 15/4/22. +// Copyright (c) 2015 ibireme. +// +// This source code is licensed under the MIT-style license found in the +// LICENSE file in the root directory of this source tree. +// + +#import + +NS_ASSUME_NONNULL_BEGIN + +/** + YYKVStorageItem is used by `YYKVStorage` to store key-value pair and meta data. + Typically, you should not use this class directly. + */ +@interface YYKVStorageItem : NSObject +@property (nonatomic, strong) NSString *key; ///< key +@property (nonatomic, strong) NSData *value; ///< value +@property (nullable, nonatomic, strong) NSString *filename; ///< filename (nil if inline) +@property (nonatomic) int size; ///< value's size in bytes +@property (nonatomic) int modTime; ///< modification unix timestamp +@property (nonatomic) int accessTime; ///< last access unix timestamp +@property (nullable, nonatomic, strong) NSData *extendedData; ///< extended data (nil if no extended data) +@end + +/** + Storage type, indicated where the `YYKVStorageItem.value` stored. + + @discussion Typically, write data to sqlite is faster than extern file, but + reading performance is dependent on data size. In my test (on iPhone 6 64G), + read data from extern file is faster than from sqlite when the data is larger + than 20KB. + + * If you want to store large number of small datas (such as contacts cache), + use YYKVStorageTypeSQLite to get better performance. + * If you want to store large files (such as image cache), + use YYKVStorageTypeFile to get better performance. + * You can use YYKVStorageTypeMixed and choice your storage type for each item. + + See for more information. + */ +typedef NS_ENUM(NSUInteger, YYKVStorageType) { + + /// The `value` is stored as a file in file system. + YYKVStorageTypeFile = 0, + + /// The `value` is stored in sqlite with blob type. + YYKVStorageTypeSQLite = 1, + + /// The `value` is stored in file system or sqlite based on your choice. + YYKVStorageTypeMixed = 2, +}; + + + +/** + YYKVStorage is a key-value storage based on sqlite and file system. + Typically, you should not use this class directly. + + @discussion The designated initializer for YYKVStorage is `initWithPath:type:`. + After initialized, a directory is created based on the `path` to hold key-value data. + Once initialized you should not read or write this directory without the instance. + + You may compile the latest version of sqlite and ignore the libsqlite3.dylib in + iOS system to get 2x~4x speed up. + + @warning The instance of this class is *NOT* thread safe, you need to make sure + that there's only one thread to access the instance at the same time. If you really + need to process large amounts of data in multi-thread, you should split the data + to multiple KVStorage instance (sharding). + */ +@interface YYKVStorage : NSObject + +#pragma mark - Attribute +///============================================================================= +/// @name Attribute +///============================================================================= + +@property (nonatomic, readonly) NSString *path; ///< The path of this storage. +@property (nonatomic, readonly) YYKVStorageType type; ///< The type of this storage. +@property (nonatomic) BOOL errorLogsEnabled; ///< Set `YES` to enable error logs for debug. + +#pragma mark - Initializer +///============================================================================= +/// @name Initializer +///============================================================================= +- (instancetype)init UNAVAILABLE_ATTRIBUTE; ++ (instancetype)new UNAVAILABLE_ATTRIBUTE; + +/** + The designated initializer. + + @param path Full path of a directory in which the storage will write data. If + the directory is not exists, it will try to create one, otherwise it will + read the data in this directory. + @param type The storage type. After first initialized you should not change the + type of the specified path. + @return A new storage object, or nil if an error occurs. + @warning Multiple instances with the same path will make the storage unstable. + */ +- (nullable instancetype)initWithPath:(NSString *)path type:(YYKVStorageType)type NS_DESIGNATED_INITIALIZER; + + +#pragma mark - Save Items +///============================================================================= +/// @name Save Items +///============================================================================= + +/** + Save an item or update the item with 'key' if it already exists. + + @discussion This method will save the item.key, item.value, item.filename and + item.extendedData to disk or sqlite, other properties will be ignored. item.key + and item.value should not be empty (nil or zero length). + + If the `type` is YYKVStorageTypeFile, then the item.filename should not be empty. + If the `type` is YYKVStorageTypeSQLite, then the item.filename will be ignored. + It the `type` is YYKVStorageTypeMixed, then the item.value will be saved to file + system if the item.filename is not empty, otherwise it will be saved to sqlite. + + @param item An item. + @return Whether succeed. + */ +- (BOOL)saveItem:(YYKVStorageItem *)item; + +/** + Save an item or update the item with 'key' if it already exists. + + @discussion This method will save the key-value pair to sqlite. If the `type` is + YYKVStorageTypeFile, then this method will failed. + + @param key The key, should not be empty (nil or zero length). + @param value The key, should not be empty (nil or zero length). + @return Whether succeed. + */ +- (BOOL)saveItemWithKey:(NSString *)key value:(NSData *)value; + +/** + Save an item or update the item with 'key' if it already exists. + + @discussion + If the `type` is YYKVStorageTypeFile, then the `filename` should not be empty. + If the `type` is YYKVStorageTypeSQLite, then the `filename` will be ignored. + It the `type` is YYKVStorageTypeMixed, then the `value` will be saved to file + system if the `filename` is not empty, otherwise it will be saved to sqlite. + + @param key The key, should not be empty (nil or zero length). + @param value The key, should not be empty (nil or zero length). + @param filename The filename. + @param extendedData The extended data for this item (pass nil to ignore it). + + @return Whether succeed. + */ +- (BOOL)saveItemWithKey:(NSString *)key + value:(NSData *)value + filename:(nullable NSString *)filename + extendedData:(nullable NSData *)extendedData; + +#pragma mark - Remove Items +///============================================================================= +/// @name Remove Items +///============================================================================= + +/** + Remove an item with 'key'. + + @param key The item's key. + @return Whether succeed. + */ +- (BOOL)removeItemForKey:(NSString *)key; + +/** + Remove items with an array of keys. + + @param keys An array of specified keys. + + @return Whether succeed. + */ +- (BOOL)removeItemForKeys:(NSArray *)keys; + +/** + Remove all items which `value` is larger than a specified size. + + @param size The maximum size in bytes. + @return Whether succeed. + */ +- (BOOL)removeItemsLargerThanSize:(int)size; + +/** + Remove all items which last access time is earlier than a specified timestamp. + + @param time The specified unix timestamp. + @return Whether succeed. + */ +- (BOOL)removeItemsEarlierThanTime:(int)time; + +/** + Remove items to make the total size not larger than a specified size. + The least recently used (LRU) items will be removed first. + + @param maxSize The specified size in bytes. + @return Whether succeed. + */ +- (BOOL)removeItemsToFitSize:(int)maxSize; + +/** + Remove items to make the total count not larger than a specified count. + The least recently used (LRU) items will be removed first. + + @param maxCount The specified item count. + @return Whether succeed. + */ +- (BOOL)removeItemsToFitCount:(int)maxCount; + +/** + Remove all items in background queue. + + @discussion This method will remove the files and sqlite database to a trash + folder, and then clear the folder in background queue. So this method is much + faster than `removeAllItemsWithProgressBlock:endBlock:`. + + @return Whether succeed. + */ +- (BOOL)removeAllItems; + +/** + Remove all items. + + @warning You should not send message to this instance in these blocks. + @param progress This block will be invoked during removing, pass nil to ignore. + @param end This block will be invoked at the end, pass nil to ignore. + */ +- (void)removeAllItemsWithProgressBlock:(nullable void(^)(int removedCount, int totalCount))progress + endBlock:(nullable void(^)(BOOL error))end; + + +#pragma mark - Get Items +///============================================================================= +/// @name Get Items +///============================================================================= + +/** + Get item with a specified key. + + @param key A specified key. + @return Item for the key, or nil if not exists / error occurs. + */ +- (nullable YYKVStorageItem *)getItemForKey:(NSString *)key; + +/** + Get item information with a specified key. + The `value` in this item will be ignored. + + @param key A specified key. + @return Item information for the key, or nil if not exists / error occurs. + */ +- (nullable YYKVStorageItem *)getItemInfoForKey:(NSString *)key; + +/** + Get item value with a specified key. + + @param key A specified key. + @return Item's value, or nil if not exists / error occurs. + */ +- (nullable NSData *)getItemValueForKey:(NSString *)key; + +/** + Get items with an array of keys. + + @param keys An array of specified keys. + @return An array of `YYKVStorageItem`, or nil if not exists / error occurs. + */ +- (nullable NSArray *)getItemForKeys:(NSArray *)keys; + +/** + Get item infomartions with an array of keys. + The `value` in items will be ignored. + + @param keys An array of specified keys. + @return An array of `YYKVStorageItem`, or nil if not exists / error occurs. + */ +- (nullable NSArray *)getItemInfoForKeys:(NSArray *)keys; + +/** + Get items value with an array of keys. + + @param keys An array of specified keys. + @return A dictionary which key is 'key' and value is 'value', or nil if not + exists / error occurs. + */ +- (nullable NSDictionary *)getItemValueForKeys:(NSArray *)keys; + +#pragma mark - Get Storage Status +///============================================================================= +/// @name Get Storage Status +///============================================================================= + +/** + Whether an item exists for a specified key. + + @param key A specified key. + + @return `YES` if there's an item exists for the key, `NO` if not exists or an error occurs. + */ +- (BOOL)itemExistsForKey:(NSString *)key; + +/** + Get total item count. + @return Total item count, -1 when an error occurs. + */ +- (int)getItemsCount; + +/** + Get item value's total size in bytes. + @return Total size in bytes, -1 when an error occurs. + */ +- (int)getItemsSize; + +@end + +NS_ASSUME_NONNULL_END diff --git a/ProductApp/Pods/YYCache/YYCache/YYKVStorage.m b/ProductApp/Pods/YYCache/YYCache/YYKVStorage.m new file mode 100644 index 0000000..501dfdd --- /dev/null +++ b/ProductApp/Pods/YYCache/YYCache/YYKVStorage.m @@ -0,0 +1,1069 @@ +// +// YYKVStorage.m +// YYCache +// +// Created by ibireme on 15/4/22. +// Copyright (c) 2015 ibireme. +// +// This source code is licensed under the MIT-style license found in the +// LICENSE file in the root directory of this source tree. +// + +#import "YYKVStorage.h" +#import +#import + +#if __has_include() +#import +#else +#import "sqlite3.h" +#endif + + +static const NSUInteger kMaxErrorRetryCount = 8; +static const NSTimeInterval kMinRetryTimeInterval = 2.0; +static const int kPathLengthMax = PATH_MAX - 64; +static NSString *const kDBFileName = @"manifest.sqlite"; +static NSString *const kDBShmFileName = @"manifest.sqlite-shm"; +static NSString *const kDBWalFileName = @"manifest.sqlite-wal"; +static NSString *const kDataDirectoryName = @"data"; +static NSString *const kTrashDirectoryName = @"trash"; + + +/* + File: + /path/ + /manifest.sqlite + /manifest.sqlite-shm + /manifest.sqlite-wal + /data/ + /e10adc3949ba59abbe56e057f20f883e + /e10adc3949ba59abbe56e057f20f883e + /trash/ + /unused_file_or_folder + + SQL: + create table if not exists manifest ( + key text, + filename text, + size integer, + inline_data blob, + modification_time integer, + last_access_time integer, + extended_data blob, + primary key(key) + ); + create index if not exists last_access_time_idx on manifest(last_access_time); + */ + +/// Returns nil in App Extension. +static UIApplication *_YYSharedApplication() { + static BOOL isAppExtension = NO; + static dispatch_once_t onceToken; + dispatch_once(&onceToken, ^{ + Class cls = NSClassFromString(@"UIApplication"); + if(!cls || ![cls respondsToSelector:@selector(sharedApplication)]) isAppExtension = YES; + if ([[[NSBundle mainBundle] bundlePath] hasSuffix:@".appex"]) isAppExtension = YES; + }); +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wundeclared-selector" + return isAppExtension ? nil : [UIApplication performSelector:@selector(sharedApplication)]; +#pragma clang diagnostic pop +} + + +@implementation YYKVStorageItem +@end + +@implementation YYKVStorage { + dispatch_queue_t _trashQueue; + + NSString *_path; + NSString *_dbPath; + NSString *_dataPath; + NSString *_trashPath; + + sqlite3 *_db; + CFMutableDictionaryRef _dbStmtCache; + NSTimeInterval _dbLastOpenErrorTime; + NSUInteger _dbOpenErrorCount; +} + + +#pragma mark - db + +- (BOOL)_dbOpen { + if (_db) return YES; + + int result = sqlite3_open(_dbPath.UTF8String, &_db); + if (result == SQLITE_OK) { + CFDictionaryKeyCallBacks keyCallbacks = kCFCopyStringDictionaryKeyCallBacks; + CFDictionaryValueCallBacks valueCallbacks = {0}; + _dbStmtCache = CFDictionaryCreateMutable(CFAllocatorGetDefault(), 0, &keyCallbacks, &valueCallbacks); + _dbLastOpenErrorTime = 0; + _dbOpenErrorCount = 0; + return YES; + } else { + _db = NULL; + if (_dbStmtCache) CFRelease(_dbStmtCache); + _dbStmtCache = NULL; + _dbLastOpenErrorTime = CACurrentMediaTime(); + _dbOpenErrorCount++; + + if (_errorLogsEnabled) { + NSLog(@"%s line:%d sqlite open failed (%d).", __FUNCTION__, __LINE__, result); + } + return NO; + } +} + +- (BOOL)_dbClose { + if (!_db) return YES; + + int result = 0; + BOOL retry = NO; + BOOL stmtFinalized = NO; + + if (_dbStmtCache) CFRelease(_dbStmtCache); + _dbStmtCache = NULL; + + do { + retry = NO; + result = sqlite3_close(_db); + if (result == SQLITE_BUSY || result == SQLITE_LOCKED) { + if (!stmtFinalized) { + stmtFinalized = YES; + sqlite3_stmt *stmt; + while ((stmt = sqlite3_next_stmt(_db, nil)) != 0) { + sqlite3_finalize(stmt); + retry = YES; + } + } + } else if (result != SQLITE_OK) { + if (_errorLogsEnabled) { + NSLog(@"%s line:%d sqlite close failed (%d).", __FUNCTION__, __LINE__, result); + } + } + } while (retry); + _db = NULL; + return YES; +} + +- (BOOL)_dbCheck { + if (!_db) { + if (_dbOpenErrorCount < kMaxErrorRetryCount && + CACurrentMediaTime() - _dbLastOpenErrorTime > kMinRetryTimeInterval) { + return [self _dbOpen] && [self _dbInitialize]; + } else { + return NO; + } + } + return YES; +} + +- (BOOL)_dbInitialize { + NSString *sql = @"pragma journal_mode = wal; pragma synchronous = normal; create table if not exists manifest (key text, filename text, size integer, inline_data blob, modification_time integer, last_access_time integer, extended_data blob, primary key(key)); create index if not exists last_access_time_idx on manifest(last_access_time);"; + return [self _dbExecute:sql]; +} + +- (void)_dbCheckpoint { + if (![self _dbCheck]) return; + // Cause a checkpoint to occur, merge `sqlite-wal` file to `sqlite` file. + sqlite3_wal_checkpoint(_db, NULL); +} + +- (BOOL)_dbExecute:(NSString *)sql { + if (sql.length == 0) return NO; + if (![self _dbCheck]) return NO; + + char *error = NULL; + int result = sqlite3_exec(_db, sql.UTF8String, NULL, NULL, &error); + if (error) { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite exec error (%d): %s", __FUNCTION__, __LINE__, result, error); + sqlite3_free(error); + } + + return result == SQLITE_OK; +} + +- (sqlite3_stmt *)_dbPrepareStmt:(NSString *)sql { + if (![self _dbCheck] || sql.length == 0 || !_dbStmtCache) return NULL; + sqlite3_stmt *stmt = (sqlite3_stmt *)CFDictionaryGetValue(_dbStmtCache, (__bridge const void *)(sql)); + if (!stmt) { + int result = sqlite3_prepare_v2(_db, sql.UTF8String, -1, &stmt, NULL); + if (result != SQLITE_OK) { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite stmt prepare error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + return NULL; + } + CFDictionarySetValue(_dbStmtCache, (__bridge const void *)(sql), stmt); + } else { + sqlite3_reset(stmt); + } + return stmt; +} + +- (NSString *)_dbJoinedKeys:(NSArray *)keys { + NSMutableString *string = [NSMutableString new]; + for (NSUInteger i = 0,max = keys.count; i < max; i++) { + [string appendString:@"?"]; + if (i + 1 != max) { + [string appendString:@","]; + } + } + return string; +} + +- (void)_dbBindJoinedKeys:(NSArray *)keys stmt:(sqlite3_stmt *)stmt fromIndex:(int)index{ + for (int i = 0, max = (int)keys.count; i < max; i++) { + NSString *key = keys[i]; + sqlite3_bind_text(stmt, index + i, key.UTF8String, -1, NULL); + } +} + +- (BOOL)_dbSaveWithKey:(NSString *)key value:(NSData *)value fileName:(NSString *)fileName extendedData:(NSData *)extendedData { + NSString *sql = @"insert or replace into manifest (key, filename, size, inline_data, modification_time, last_access_time, extended_data) values (?1, ?2, ?3, ?4, ?5, ?6, ?7);"; + sqlite3_stmt *stmt = [self _dbPrepareStmt:sql]; + if (!stmt) return NO; + + int timestamp = (int)time(NULL); + sqlite3_bind_text(stmt, 1, key.UTF8String, -1, NULL); + sqlite3_bind_text(stmt, 2, fileName.UTF8String, -1, NULL); + sqlite3_bind_int(stmt, 3, (int)value.length); + if (fileName.length == 0) { + sqlite3_bind_blob(stmt, 4, value.bytes, (int)value.length, 0); + } else { + sqlite3_bind_blob(stmt, 4, NULL, 0, 0); + } + sqlite3_bind_int(stmt, 5, timestamp); + sqlite3_bind_int(stmt, 6, timestamp); + sqlite3_bind_blob(stmt, 7, extendedData.bytes, (int)extendedData.length, 0); + + int result = sqlite3_step(stmt); + if (result != SQLITE_DONE) { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite insert error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + return NO; + } + return YES; +} + +- (BOOL)_dbUpdateAccessTimeWithKey:(NSString *)key { + NSString *sql = @"update manifest set last_access_time = ?1 where key = ?2;"; + sqlite3_stmt *stmt = [self _dbPrepareStmt:sql]; + if (!stmt) return NO; + sqlite3_bind_int(stmt, 1, (int)time(NULL)); + sqlite3_bind_text(stmt, 2, key.UTF8String, -1, NULL); + int result = sqlite3_step(stmt); + if (result != SQLITE_DONE) { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite update error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + return NO; + } + return YES; +} + +- (BOOL)_dbUpdateAccessTimeWithKeys:(NSArray *)keys { + if (![self _dbCheck]) return NO; + int t = (int)time(NULL); + NSString *sql = [NSString stringWithFormat:@"update manifest set last_access_time = %d where key in (%@);", t, [self _dbJoinedKeys:keys]]; + + sqlite3_stmt *stmt = NULL; + int result = sqlite3_prepare_v2(_db, sql.UTF8String, -1, &stmt, NULL); + if (result != SQLITE_OK) { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite stmt prepare error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + return NO; + } + + [self _dbBindJoinedKeys:keys stmt:stmt fromIndex:1]; + result = sqlite3_step(stmt); + sqlite3_finalize(stmt); + if (result != SQLITE_DONE) { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite update error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + return NO; + } + return YES; +} + +- (BOOL)_dbDeleteItemWithKey:(NSString *)key { + NSString *sql = @"delete from manifest where key = ?1;"; + sqlite3_stmt *stmt = [self _dbPrepareStmt:sql]; + if (!stmt) return NO; + sqlite3_bind_text(stmt, 1, key.UTF8String, -1, NULL); + + int result = sqlite3_step(stmt); + if (result != SQLITE_DONE) { + if (_errorLogsEnabled) NSLog(@"%s line:%d db delete error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + return NO; + } + return YES; +} + +- (BOOL)_dbDeleteItemWithKeys:(NSArray *)keys { + if (![self _dbCheck]) return NO; + NSString *sql = [NSString stringWithFormat:@"delete from manifest where key in (%@);", [self _dbJoinedKeys:keys]]; + sqlite3_stmt *stmt = NULL; + int result = sqlite3_prepare_v2(_db, sql.UTF8String, -1, &stmt, NULL); + if (result != SQLITE_OK) { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite stmt prepare error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + return NO; + } + + [self _dbBindJoinedKeys:keys stmt:stmt fromIndex:1]; + result = sqlite3_step(stmt); + sqlite3_finalize(stmt); + if (result == SQLITE_ERROR) { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite delete error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + return NO; + } + return YES; +} + +- (BOOL)_dbDeleteItemsWithSizeLargerThan:(int)size { + NSString *sql = @"delete from manifest where size > ?1;"; + sqlite3_stmt *stmt = [self _dbPrepareStmt:sql]; + if (!stmt) return NO; + sqlite3_bind_int(stmt, 1, size); + int result = sqlite3_step(stmt); + if (result != SQLITE_DONE) { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite delete error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + return NO; + } + return YES; +} + +- (BOOL)_dbDeleteItemsWithTimeEarlierThan:(int)time { + NSString *sql = @"delete from manifest where last_access_time < ?1;"; + sqlite3_stmt *stmt = [self _dbPrepareStmt:sql]; + if (!stmt) return NO; + sqlite3_bind_int(stmt, 1, time); + int result = sqlite3_step(stmt); + if (result != SQLITE_DONE) { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite delete error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + return NO; + } + return YES; +} + +- (YYKVStorageItem *)_dbGetItemFromStmt:(sqlite3_stmt *)stmt excludeInlineData:(BOOL)excludeInlineData { + int i = 0; + char *key = (char *)sqlite3_column_text(stmt, i++); + char *filename = (char *)sqlite3_column_text(stmt, i++); + int size = sqlite3_column_int(stmt, i++); + const void *inline_data = excludeInlineData ? NULL : sqlite3_column_blob(stmt, i); + int inline_data_bytes = excludeInlineData ? 0 : sqlite3_column_bytes(stmt, i++); + int modification_time = sqlite3_column_int(stmt, i++); + int last_access_time = sqlite3_column_int(stmt, i++); + const void *extended_data = sqlite3_column_blob(stmt, i); + int extended_data_bytes = sqlite3_column_bytes(stmt, i++); + + YYKVStorageItem *item = [YYKVStorageItem new]; + if (key) item.key = [NSString stringWithUTF8String:key]; + if (filename && *filename != 0) item.filename = [NSString stringWithUTF8String:filename]; + item.size = size; + if (inline_data_bytes > 0 && inline_data) item.value = [NSData dataWithBytes:inline_data length:inline_data_bytes]; + item.modTime = modification_time; + item.accessTime = last_access_time; + if (extended_data_bytes > 0 && extended_data) item.extendedData = [NSData dataWithBytes:extended_data length:extended_data_bytes]; + return item; +} + +- (YYKVStorageItem *)_dbGetItemWithKey:(NSString *)key excludeInlineData:(BOOL)excludeInlineData { + NSString *sql = excludeInlineData ? @"select key, filename, size, modification_time, last_access_time, extended_data from manifest where key = ?1;" : @"select key, filename, size, inline_data, modification_time, last_access_time, extended_data from manifest where key = ?1;"; + sqlite3_stmt *stmt = [self _dbPrepareStmt:sql]; + if (!stmt) return nil; + sqlite3_bind_text(stmt, 1, key.UTF8String, -1, NULL); + + YYKVStorageItem *item = nil; + int result = sqlite3_step(stmt); + if (result == SQLITE_ROW) { + item = [self _dbGetItemFromStmt:stmt excludeInlineData:excludeInlineData]; + } else { + if (result != SQLITE_DONE) { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite query error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + } + } + return item; +} + +- (NSMutableArray *)_dbGetItemWithKeys:(NSArray *)keys excludeInlineData:(BOOL)excludeInlineData { + if (![self _dbCheck]) return nil; + NSString *sql; + if (excludeInlineData) { + sql = [NSString stringWithFormat:@"select key, filename, size, modification_time, last_access_time, extended_data from manifest where key in (%@);", [self _dbJoinedKeys:keys]]; + } else { + sql = [NSString stringWithFormat:@"select key, filename, size, inline_data, modification_time, last_access_time, extended_data from manifest where key in (%@)", [self _dbJoinedKeys:keys]]; + } + + sqlite3_stmt *stmt = NULL; + int result = sqlite3_prepare_v2(_db, sql.UTF8String, -1, &stmt, NULL); + if (result != SQLITE_OK) { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite stmt prepare error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + return nil; + } + + [self _dbBindJoinedKeys:keys stmt:stmt fromIndex:1]; + NSMutableArray *items = [NSMutableArray new]; + do { + result = sqlite3_step(stmt); + if (result == SQLITE_ROW) { + YYKVStorageItem *item = [self _dbGetItemFromStmt:stmt excludeInlineData:excludeInlineData]; + if (item) [items addObject:item]; + } else if (result == SQLITE_DONE) { + break; + } else { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite query error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + items = nil; + break; + } + } while (1); + sqlite3_finalize(stmt); + return items; +} + +- (NSData *)_dbGetValueWithKey:(NSString *)key { + NSString *sql = @"select inline_data from manifest where key = ?1;"; + sqlite3_stmt *stmt = [self _dbPrepareStmt:sql]; + if (!stmt) return nil; + sqlite3_bind_text(stmt, 1, key.UTF8String, -1, NULL); + + int result = sqlite3_step(stmt); + if (result == SQLITE_ROW) { + const void *inline_data = sqlite3_column_blob(stmt, 0); + int inline_data_bytes = sqlite3_column_bytes(stmt, 0); + if (!inline_data || inline_data_bytes <= 0) return nil; + return [NSData dataWithBytes:inline_data length:inline_data_bytes]; + } else { + if (result != SQLITE_DONE) { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite query error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + } + return nil; + } +} + +- (NSString *)_dbGetFilenameWithKey:(NSString *)key { + NSString *sql = @"select filename from manifest where key = ?1;"; + sqlite3_stmt *stmt = [self _dbPrepareStmt:sql]; + if (!stmt) return nil; + sqlite3_bind_text(stmt, 1, key.UTF8String, -1, NULL); + int result = sqlite3_step(stmt); + if (result == SQLITE_ROW) { + char *filename = (char *)sqlite3_column_text(stmt, 0); + if (filename && *filename != 0) { + return [NSString stringWithUTF8String:filename]; + } + } else { + if (result != SQLITE_DONE) { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite query error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + } + } + return nil; +} + +- (NSMutableArray *)_dbGetFilenameWithKeys:(NSArray *)keys { + if (![self _dbCheck]) return nil; + NSString *sql = [NSString stringWithFormat:@"select filename from manifest where key in (%@);", [self _dbJoinedKeys:keys]]; + sqlite3_stmt *stmt = NULL; + int result = sqlite3_prepare_v2(_db, sql.UTF8String, -1, &stmt, NULL); + if (result != SQLITE_OK) { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite stmt prepare error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + return nil; + } + + [self _dbBindJoinedKeys:keys stmt:stmt fromIndex:1]; + NSMutableArray *filenames = [NSMutableArray new]; + do { + result = sqlite3_step(stmt); + if (result == SQLITE_ROW) { + char *filename = (char *)sqlite3_column_text(stmt, 0); + if (filename && *filename != 0) { + NSString *name = [NSString stringWithUTF8String:filename]; + if (name) [filenames addObject:name]; + } + } else if (result == SQLITE_DONE) { + break; + } else { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite query error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + filenames = nil; + break; + } + } while (1); + sqlite3_finalize(stmt); + return filenames; +} + +- (NSMutableArray *)_dbGetFilenamesWithSizeLargerThan:(int)size { + NSString *sql = @"select filename from manifest where size > ?1 and filename is not null;"; + sqlite3_stmt *stmt = [self _dbPrepareStmt:sql]; + if (!stmt) return nil; + sqlite3_bind_int(stmt, 1, size); + + NSMutableArray *filenames = [NSMutableArray new]; + do { + int result = sqlite3_step(stmt); + if (result == SQLITE_ROW) { + char *filename = (char *)sqlite3_column_text(stmt, 0); + if (filename && *filename != 0) { + NSString *name = [NSString stringWithUTF8String:filename]; + if (name) [filenames addObject:name]; + } + } else if (result == SQLITE_DONE) { + break; + } else { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite query error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + filenames = nil; + break; + } + } while (1); + return filenames; +} + +- (NSMutableArray *)_dbGetFilenamesWithTimeEarlierThan:(int)time { + NSString *sql = @"select filename from manifest where last_access_time < ?1 and filename is not null;"; + sqlite3_stmt *stmt = [self _dbPrepareStmt:sql]; + if (!stmt) return nil; + sqlite3_bind_int(stmt, 1, time); + + NSMutableArray *filenames = [NSMutableArray new]; + do { + int result = sqlite3_step(stmt); + if (result == SQLITE_ROW) { + char *filename = (char *)sqlite3_column_text(stmt, 0); + if (filename && *filename != 0) { + NSString *name = [NSString stringWithUTF8String:filename]; + if (name) [filenames addObject:name]; + } + } else if (result == SQLITE_DONE) { + break; + } else { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite query error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + filenames = nil; + break; + } + } while (1); + return filenames; +} + +- (NSMutableArray *)_dbGetItemSizeInfoOrderByTimeAscWithLimit:(int)count { + NSString *sql = @"select key, filename, size from manifest order by last_access_time asc limit ?1;"; + sqlite3_stmt *stmt = [self _dbPrepareStmt:sql]; + if (!stmt) return nil; + sqlite3_bind_int(stmt, 1, count); + + NSMutableArray *items = [NSMutableArray new]; + do { + int result = sqlite3_step(stmt); + if (result == SQLITE_ROW) { + char *key = (char *)sqlite3_column_text(stmt, 0); + char *filename = (char *)sqlite3_column_text(stmt, 1); + int size = sqlite3_column_int(stmt, 2); + NSString *keyStr = key ? [NSString stringWithUTF8String:key] : nil; + if (keyStr) { + YYKVStorageItem *item = [YYKVStorageItem new]; + item.key = key ? [NSString stringWithUTF8String:key] : nil; + item.filename = filename ? [NSString stringWithUTF8String:filename] : nil; + item.size = size; + [items addObject:item]; + } + } else if (result == SQLITE_DONE) { + break; + } else { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite query error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + items = nil; + break; + } + } while (1); + return items; +} + +- (int)_dbGetItemCountWithKey:(NSString *)key { + NSString *sql = @"select count(key) from manifest where key = ?1;"; + sqlite3_stmt *stmt = [self _dbPrepareStmt:sql]; + if (!stmt) return -1; + sqlite3_bind_text(stmt, 1, key.UTF8String, -1, NULL); + int result = sqlite3_step(stmt); + if (result != SQLITE_ROW) { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite query error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + return -1; + } + return sqlite3_column_int(stmt, 0); +} + +- (int)_dbGetTotalItemSize { + NSString *sql = @"select sum(size) from manifest;"; + sqlite3_stmt *stmt = [self _dbPrepareStmt:sql]; + if (!stmt) return -1; + int result = sqlite3_step(stmt); + if (result != SQLITE_ROW) { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite query error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + return -1; + } + return sqlite3_column_int(stmt, 0); +} + +- (int)_dbGetTotalItemCount { + NSString *sql = @"select count(*) from manifest;"; + sqlite3_stmt *stmt = [self _dbPrepareStmt:sql]; + if (!stmt) return -1; + int result = sqlite3_step(stmt); + if (result != SQLITE_ROW) { + if (_errorLogsEnabled) NSLog(@"%s line:%d sqlite query error (%d): %s", __FUNCTION__, __LINE__, result, sqlite3_errmsg(_db)); + return -1; + } + return sqlite3_column_int(stmt, 0); +} + + +#pragma mark - file + +- (BOOL)_fileWriteWithName:(NSString *)filename data:(NSData *)data { + NSString *path = [_dataPath stringByAppendingPathComponent:filename]; + return [data writeToFile:path atomically:NO]; +} + +- (NSData *)_fileReadWithName:(NSString *)filename { + NSString *path = [_dataPath stringByAppendingPathComponent:filename]; + NSData *data = [NSData dataWithContentsOfFile:path]; + return data; +} + +- (BOOL)_fileDeleteWithName:(NSString *)filename { + NSString *path = [_dataPath stringByAppendingPathComponent:filename]; + return [[NSFileManager defaultManager] removeItemAtPath:path error:NULL]; +} + +- (BOOL)_fileMoveAllToTrash { + CFUUIDRef uuidRef = CFUUIDCreate(NULL); + CFStringRef uuid = CFUUIDCreateString(NULL, uuidRef); + CFRelease(uuidRef); + NSString *tmpPath = [_trashPath stringByAppendingPathComponent:(__bridge NSString *)(uuid)]; + BOOL suc = [[NSFileManager defaultManager] moveItemAtPath:_dataPath toPath:tmpPath error:nil]; + if (suc) { + suc = [[NSFileManager defaultManager] createDirectoryAtPath:_dataPath withIntermediateDirectories:YES attributes:nil error:NULL]; + } + CFRelease(uuid); + return suc; +} + +- (void)_fileEmptyTrashInBackground { + NSString *trashPath = _trashPath; + dispatch_queue_t queue = _trashQueue; + dispatch_async(queue, ^{ + NSFileManager *manager = [NSFileManager new]; + NSArray *directoryContents = [manager contentsOfDirectoryAtPath:trashPath error:NULL]; + for (NSString *path in directoryContents) { + NSString *fullPath = [trashPath stringByAppendingPathComponent:path]; + [manager removeItemAtPath:fullPath error:NULL]; + } + }); +} + + +#pragma mark - private + +/** + Delete all files and empty in background. + Make sure the db is closed. + */ +- (void)_reset { + [[NSFileManager defaultManager] removeItemAtPath:[_path stringByAppendingPathComponent:kDBFileName] error:nil]; + [[NSFileManager defaultManager] removeItemAtPath:[_path stringByAppendingPathComponent:kDBShmFileName] error:nil]; + [[NSFileManager defaultManager] removeItemAtPath:[_path stringByAppendingPathComponent:kDBWalFileName] error:nil]; + [self _fileMoveAllToTrash]; + [self _fileEmptyTrashInBackground]; +} + +#pragma mark - public + +- (instancetype)init { + @throw [NSException exceptionWithName:@"YYKVStorage init error" reason:@"Please use the designated initializer and pass the 'path' and 'type'." userInfo:nil]; + return [self initWithPath:@"" type:YYKVStorageTypeFile]; +} + +- (instancetype)initWithPath:(NSString *)path type:(YYKVStorageType)type { + if (path.length == 0 || path.length > kPathLengthMax) { + NSLog(@"YYKVStorage init error: invalid path: [%@].", path); + return nil; + } + if (type > YYKVStorageTypeMixed) { + NSLog(@"YYKVStorage init error: invalid type: %lu.", (unsigned long)type); + return nil; + } + + self = [super init]; + _path = path.copy; + _type = type; + _dataPath = [path stringByAppendingPathComponent:kDataDirectoryName]; + _trashPath = [path stringByAppendingPathComponent:kTrashDirectoryName]; + _trashQueue = dispatch_queue_create("com.ibireme.cache.disk.trash", DISPATCH_QUEUE_SERIAL); + _dbPath = [path stringByAppendingPathComponent:kDBFileName]; + _errorLogsEnabled = YES; + NSError *error = nil; + if (![[NSFileManager defaultManager] createDirectoryAtPath:path + withIntermediateDirectories:YES + attributes:nil + error:&error] || + ![[NSFileManager defaultManager] createDirectoryAtPath:[path stringByAppendingPathComponent:kDataDirectoryName] + withIntermediateDirectories:YES + attributes:nil + error:&error] || + ![[NSFileManager defaultManager] createDirectoryAtPath:[path stringByAppendingPathComponent:kTrashDirectoryName] + withIntermediateDirectories:YES + attributes:nil + error:&error]) { + NSLog(@"YYKVStorage init error:%@", error); + return nil; + } + + if (![self _dbOpen] || ![self _dbInitialize]) { + // db file may broken... + [self _dbClose]; + [self _reset]; // rebuild + if (![self _dbOpen] || ![self _dbInitialize]) { + [self _dbClose]; + NSLog(@"YYKVStorage init error: fail to open sqlite db."); + return nil; + } + } + [self _fileEmptyTrashInBackground]; // empty the trash if failed at last time + return self; +} + +- (void)dealloc { + UIBackgroundTaskIdentifier taskID = [_YYSharedApplication() beginBackgroundTaskWithExpirationHandler:^{}]; + [self _dbClose]; + if (taskID != UIBackgroundTaskInvalid) { + [_YYSharedApplication() endBackgroundTask:taskID]; + } +} + +- (BOOL)saveItem:(YYKVStorageItem *)item { + return [self saveItemWithKey:item.key value:item.value filename:item.filename extendedData:item.extendedData]; +} + +- (BOOL)saveItemWithKey:(NSString *)key value:(NSData *)value { + return [self saveItemWithKey:key value:value filename:nil extendedData:nil]; +} + +- (BOOL)saveItemWithKey:(NSString *)key value:(NSData *)value filename:(NSString *)filename extendedData:(NSData *)extendedData { + if (key.length == 0 || value.length == 0) return NO; + if (_type == YYKVStorageTypeFile && filename.length == 0) { + return NO; + } + + if (filename.length) { + if (![self _fileWriteWithName:filename data:value]) { + return NO; + } + if (![self _dbSaveWithKey:key value:value fileName:filename extendedData:extendedData]) { + [self _fileDeleteWithName:filename]; + return NO; + } + return YES; + } else { + if (_type != YYKVStorageTypeSQLite) { + NSString *filename = [self _dbGetFilenameWithKey:key]; + if (filename) { + [self _fileDeleteWithName:filename]; + } + } + return [self _dbSaveWithKey:key value:value fileName:nil extendedData:extendedData]; + } +} + +- (BOOL)removeItemForKey:(NSString *)key { + if (key.length == 0) return NO; + switch (_type) { + case YYKVStorageTypeSQLite: { + return [self _dbDeleteItemWithKey:key]; + } break; + case YYKVStorageTypeFile: + case YYKVStorageTypeMixed: { + NSString *filename = [self _dbGetFilenameWithKey:key]; + if (filename) { + [self _fileDeleteWithName:filename]; + } + return [self _dbDeleteItemWithKey:key]; + } break; + default: return NO; + } +} + +- (BOOL)removeItemForKeys:(NSArray *)keys { + if (keys.count == 0) return NO; + switch (_type) { + case YYKVStorageTypeSQLite: { + return [self _dbDeleteItemWithKeys:keys]; + } break; + case YYKVStorageTypeFile: + case YYKVStorageTypeMixed: { + NSArray *filenames = [self _dbGetFilenameWithKeys:keys]; + for (NSString *filename in filenames) { + [self _fileDeleteWithName:filename]; + } + return [self _dbDeleteItemWithKeys:keys]; + } break; + default: return NO; + } +} + +- (BOOL)removeItemsLargerThanSize:(int)size { + if (size == INT_MAX) return YES; + if (size <= 0) return [self removeAllItems]; + + switch (_type) { + case YYKVStorageTypeSQLite: { + if ([self _dbDeleteItemsWithSizeLargerThan:size]) { + [self _dbCheckpoint]; + return YES; + } + } break; + case YYKVStorageTypeFile: + case YYKVStorageTypeMixed: { + NSArray *filenames = [self _dbGetFilenamesWithSizeLargerThan:size]; + for (NSString *name in filenames) { + [self _fileDeleteWithName:name]; + } + if ([self _dbDeleteItemsWithSizeLargerThan:size]) { + [self _dbCheckpoint]; + return YES; + } + } break; + } + return NO; +} + +- (BOOL)removeItemsEarlierThanTime:(int)time { + if (time <= 0) return YES; + if (time == INT_MAX) return [self removeAllItems]; + + switch (_type) { + case YYKVStorageTypeSQLite: { + if ([self _dbDeleteItemsWithTimeEarlierThan:time]) { + [self _dbCheckpoint]; + return YES; + } + } break; + case YYKVStorageTypeFile: + case YYKVStorageTypeMixed: { + NSArray *filenames = [self _dbGetFilenamesWithTimeEarlierThan:time]; + for (NSString *name in filenames) { + [self _fileDeleteWithName:name]; + } + if ([self _dbDeleteItemsWithTimeEarlierThan:time]) { + [self _dbCheckpoint]; + return YES; + } + } break; + } + return NO; +} + +- (BOOL)removeItemsToFitSize:(int)maxSize { + if (maxSize == INT_MAX) return YES; + if (maxSize <= 0) return [self removeAllItems]; + + int total = [self _dbGetTotalItemSize]; + if (total < 0) return NO; + if (total <= maxSize) return YES; + + NSArray *items = nil; + BOOL suc = NO; + do { + int perCount = 16; + items = [self _dbGetItemSizeInfoOrderByTimeAscWithLimit:perCount]; + for (YYKVStorageItem *item in items) { + if (total > maxSize) { + if (item.filename) { + [self _fileDeleteWithName:item.filename]; + } + suc = [self _dbDeleteItemWithKey:item.key]; + total -= item.size; + } else { + break; + } + if (!suc) break; + } + } while (total > maxSize && items.count > 0 && suc); + if (suc) [self _dbCheckpoint]; + return suc; +} + +- (BOOL)removeItemsToFitCount:(int)maxCount { + if (maxCount == INT_MAX) return YES; + if (maxCount <= 0) return [self removeAllItems]; + + int total = [self _dbGetTotalItemCount]; + if (total < 0) return NO; + if (total <= maxCount) return YES; + + NSArray *items = nil; + BOOL suc = NO; + do { + int perCount = 16; + items = [self _dbGetItemSizeInfoOrderByTimeAscWithLimit:perCount]; + for (YYKVStorageItem *item in items) { + if (total > maxCount) { + if (item.filename) { + [self _fileDeleteWithName:item.filename]; + } + suc = [self _dbDeleteItemWithKey:item.key]; + total--; + } else { + break; + } + if (!suc) break; + } + } while (total > maxCount && items.count > 0 && suc); + if (suc) [self _dbCheckpoint]; + return suc; +} + +- (BOOL)removeAllItems { + if (![self _dbClose]) return NO; + [self _reset]; + if (![self _dbOpen]) return NO; + if (![self _dbInitialize]) return NO; + return YES; +} + +- (void)removeAllItemsWithProgressBlock:(void(^)(int removedCount, int totalCount))progress + endBlock:(void(^)(BOOL error))end { + + int total = [self _dbGetTotalItemCount]; + if (total <= 0) { + if (end) end(total < 0); + } else { + int left = total; + int perCount = 32; + NSArray *items = nil; + BOOL suc = NO; + do { + items = [self _dbGetItemSizeInfoOrderByTimeAscWithLimit:perCount]; + for (YYKVStorageItem *item in items) { + if (left > 0) { + if (item.filename) { + [self _fileDeleteWithName:item.filename]; + } + suc = [self _dbDeleteItemWithKey:item.key]; + left--; + } else { + break; + } + if (!suc) break; + } + if (progress) progress(total - left, total); + } while (left > 0 && items.count > 0 && suc); + if (suc) [self _dbCheckpoint]; + if (end) end(!suc); + } +} + +- (YYKVStorageItem *)getItemForKey:(NSString *)key { + if (key.length == 0) return nil; + YYKVStorageItem *item = [self _dbGetItemWithKey:key excludeInlineData:NO]; + if (item) { + [self _dbUpdateAccessTimeWithKey:key]; + if (item.filename) { + item.value = [self _fileReadWithName:item.filename]; + if (!item.value) { + [self _dbDeleteItemWithKey:key]; + item = nil; + } + } + } + return item; +} + +- (YYKVStorageItem *)getItemInfoForKey:(NSString *)key { + if (key.length == 0) return nil; + YYKVStorageItem *item = [self _dbGetItemWithKey:key excludeInlineData:YES]; + return item; +} + +- (NSData *)getItemValueForKey:(NSString *)key { + if (key.length == 0) return nil; + NSData *value = nil; + switch (_type) { + case YYKVStorageTypeFile: { + NSString *filename = [self _dbGetFilenameWithKey:key]; + if (filename) { + value = [self _fileReadWithName:filename]; + if (!value) { + [self _dbDeleteItemWithKey:key]; + value = nil; + } + } + } break; + case YYKVStorageTypeSQLite: { + value = [self _dbGetValueWithKey:key]; + } break; + case YYKVStorageTypeMixed: { + NSString *filename = [self _dbGetFilenameWithKey:key]; + if (filename) { + value = [self _fileReadWithName:filename]; + if (!value) { + [self _dbDeleteItemWithKey:key]; + value = nil; + } + } else { + value = [self _dbGetValueWithKey:key]; + } + } break; + } + if (value) { + [self _dbUpdateAccessTimeWithKey:key]; + } + return value; +} + +- (NSArray *)getItemForKeys:(NSArray *)keys { + if (keys.count == 0) return nil; + NSMutableArray *items = [self _dbGetItemWithKeys:keys excludeInlineData:NO]; + if (_type != YYKVStorageTypeSQLite) { + for (NSInteger i = 0, max = items.count; i < max; i++) { + YYKVStorageItem *item = items[i]; + if (item.filename) { + item.value = [self _fileReadWithName:item.filename]; + if (!item.value) { + if (item.key) [self _dbDeleteItemWithKey:item.key]; + [items removeObjectAtIndex:i]; + i--; + max--; + } + } + } + } + if (items.count > 0) { + [self _dbUpdateAccessTimeWithKeys:keys]; + } + return items.count ? items : nil; +} + +- (NSArray *)getItemInfoForKeys:(NSArray *)keys { + if (keys.count == 0) return nil; + return [self _dbGetItemWithKeys:keys excludeInlineData:YES]; +} + +- (NSDictionary *)getItemValueForKeys:(NSArray *)keys { + NSMutableArray *items = (NSMutableArray *)[self getItemForKeys:keys]; + NSMutableDictionary *kv = [NSMutableDictionary new]; + for (YYKVStorageItem *item in items) { + if (item.key && item.value) { + [kv setObject:item.value forKey:item.key]; + } + } + return kv.count ? kv : nil; +} + +- (BOOL)itemExistsForKey:(NSString *)key { + if (key.length == 0) return NO; + return [self _dbGetItemCountWithKey:key] > 0; +} + +- (int)getItemsCount { + return [self _dbGetTotalItemCount]; +} + +- (int)getItemsSize { + return [self _dbGetTotalItemSize]; +} + +@end diff --git a/ProductApp/Pods/YYCache/YYCache/YYMemoryCache.h b/ProductApp/Pods/YYCache/YYCache/YYMemoryCache.h new file mode 100644 index 0000000..ded8440 --- /dev/null +++ b/ProductApp/Pods/YYCache/YYCache/YYMemoryCache.h @@ -0,0 +1,213 @@ +// +// YYMemoryCache.h +// YYCache +// +// Created by ibireme on 15/2/7. +// Copyright (c) 2015 ibireme. +// +// This source code is licensed under the MIT-style license found in the +// LICENSE file in the root directory of this source tree. +// + +#import + +NS_ASSUME_NONNULL_BEGIN + +/** + YYMemoryCache is a fast in-memory cache that stores key-value pairs. + In contrast to NSDictionary, keys are retained and not copied. + The API and performance is similar to `NSCache`, all methods are thread-safe. + + YYMemoryCache objects differ from NSCache in a few ways: + + * It uses LRU (least-recently-used) to remove objects; NSCache's eviction method + is non-deterministic. + * It can be controlled by cost, count and age; NSCache's limits are imprecise. + * It can be configured to automatically evict objects when receive memory + warning or app enter background. + + The time of `Access Methods` in YYMemoryCache is typically in constant time (O(1)). + */ +@interface YYMemoryCache : NSObject + +#pragma mark - Attribute +///============================================================================= +/// @name Attribute +///============================================================================= + +/** The name of the cache. Default is nil. */ +@property (nullable, copy) NSString *name; + +/** The number of objects in the cache (read-only) */ +@property (readonly) NSUInteger totalCount; + +/** The total cost of objects in the cache (read-only). */ +@property (readonly) NSUInteger totalCost; + + +#pragma mark - Limit +///============================================================================= +/// @name Limit +///============================================================================= + +/** + The maximum number of objects the cache should hold. + + @discussion The default value is NSUIntegerMax, which means no limit. + This is not a strict limit—if the cache goes over the limit, some objects in the + cache could be evicted later in backgound thread. + */ +@property NSUInteger countLimit; + +/** + The maximum total cost that the cache can hold before it starts evicting objects. + + @discussion The default value is NSUIntegerMax, which means no limit. + This is not a strict limit—if the cache goes over the limit, some objects in the + cache could be evicted later in backgound thread. + */ +@property NSUInteger costLimit; + +/** + The maximum expiry time of objects in cache. + + @discussion The default value is DBL_MAX, which means no limit. + This is not a strict limit—if an object goes over the limit, the object could + be evicted later in backgound thread. + */ +@property NSTimeInterval ageLimit; + +/** + The auto trim check time interval in seconds. Default is 5.0. + + @discussion The cache holds an internal timer to check whether the cache reaches + its limits, and if the limit is reached, it begins to evict objects. + */ +@property NSTimeInterval autoTrimInterval; + +/** + If `YES`, the cache will remove all objects when the app receives a memory warning. + The default value is `YES`. + */ +@property BOOL shouldRemoveAllObjectsOnMemoryWarning; + +/** + If `YES`, The cache will remove all objects when the app enter background. + The default value is `YES`. + */ +@property BOOL shouldRemoveAllObjectsWhenEnteringBackground; + +/** + A block to be executed when the app receives a memory warning. + The default value is nil. + */ +@property (nullable, copy) void(^didReceiveMemoryWarningBlock)(YYMemoryCache *cache); + +/** + A block to be executed when the app enter background. + The default value is nil. + */ +@property (nullable, copy) void(^didEnterBackgroundBlock)(YYMemoryCache *cache); + +/** + If `YES`, the key-value pair will be released on main thread, otherwise on + background thread. Default is NO. + + @discussion You may set this value to `YES` if the key-value object contains + the instance which should be released in main thread (such as UIView/CALayer). + */ +@property BOOL releaseOnMainThread; + +/** + If `YES`, the key-value pair will be released asynchronously to avoid blocking + the access methods, otherwise it will be released in the access method + (such as removeObjectForKey:). Default is YES. + */ +@property BOOL releaseAsynchronously; + + +#pragma mark - Access Methods +///============================================================================= +/// @name Access Methods +///============================================================================= + +/** + Returns a Boolean value that indicates whether a given key is in cache. + + @param key An object identifying the value. If nil, just return `NO`. + @return Whether the key is in cache. + */ +- (BOOL)containsObjectForKey:(id)key; + +/** + Returns the value associated with a given key. + + @param key An object identifying the value. If nil, just return nil. + @return The value associated with key, or nil if no value is associated with key. + */ +- (nullable id)objectForKey:(id)key; + +/** + Sets the value of the specified key in the cache (0 cost). + + @param object The object to be stored in the cache. If nil, it calls `removeObjectForKey:`. + @param key The key with which to associate the value. If nil, this method has no effect. + @discussion Unlike an NSMutableDictionary object, a cache does not copy the key + objects that are put into it. + */ +- (void)setObject:(nullable id)object forKey:(id)key; + +/** + Sets the value of the specified key in the cache, and associates the key-value + pair with the specified cost. + + @param object The object to store in the cache. If nil, it calls `removeObjectForKey`. + @param key The key with which to associate the value. If nil, this method has no effect. + @param cost The cost with which to associate the key-value pair. + @discussion Unlike an NSMutableDictionary object, a cache does not copy the key + objects that are put into it. + */ +- (void)setObject:(nullable id)object forKey:(id)key withCost:(NSUInteger)cost; + +/** + Removes the value of the specified key in the cache. + + @param key The key identifying the value to be removed. If nil, this method has no effect. + */ +- (void)removeObjectForKey:(id)key; + +/** + Empties the cache immediately. + */ +- (void)removeAllObjects; + + +#pragma mark - Trim +///============================================================================= +/// @name Trim +///============================================================================= + +/** + Removes objects from the cache with LRU, until the `totalCount` is below or equal to + the specified value. + @param count The total count allowed to remain after the cache has been trimmed. + */ +- (void)trimToCount:(NSUInteger)count; + +/** + Removes objects from the cache with LRU, until the `totalCost` is or equal to + the specified value. + @param cost The total cost allowed to remain after the cache has been trimmed. + */ +- (void)trimToCost:(NSUInteger)cost; + +/** + Removes objects from the cache with LRU, until all expiry objects removed by the + specified value. + @param age The maximum age (in seconds) of objects. + */ +- (void)trimToAge:(NSTimeInterval)age; + +@end + +NS_ASSUME_NONNULL_END diff --git a/ProductApp/Pods/YYCache/YYCache/YYMemoryCache.m b/ProductApp/Pods/YYCache/YYCache/YYMemoryCache.m new file mode 100644 index 0000000..9042d9b --- /dev/null +++ b/ProductApp/Pods/YYCache/YYCache/YYMemoryCache.m @@ -0,0 +1,505 @@ +// +// YYMemoryCache.m +// YYCache +// +// Created by ibireme on 15/2/7. +// Copyright (c) 2015 ibireme. +// +// This source code is licensed under the MIT-style license found in the +// LICENSE file in the root directory of this source tree. +// + +#import "YYMemoryCache.h" +#import +#import +#import +#import + + +static inline dispatch_queue_t YYMemoryCacheGetReleaseQueue() { + return dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW, 0); +} + +/** + A node in linked map. + Typically, you should not use this class directly. + */ +@interface _YYLinkedMapNode : NSObject { + @package + __unsafe_unretained _YYLinkedMapNode *_prev; // retained by dic + __unsafe_unretained _YYLinkedMapNode *_next; // retained by dic + id _key; + id _value; + NSUInteger _cost; + NSTimeInterval _time; +} +@end + +@implementation _YYLinkedMapNode +@end + + +/** + A linked map used by YYMemoryCache. + It's not thread-safe and does not validate the parameters. + + Typically, you should not use this class directly. + */ +@interface _YYLinkedMap : NSObject { + @package + CFMutableDictionaryRef _dic; // do not set object directly + NSUInteger _totalCost; + NSUInteger _totalCount; + _YYLinkedMapNode *_head; // MRU, do not change it directly + _YYLinkedMapNode *_tail; // LRU, do not change it directly + BOOL _releaseOnMainThread; + BOOL _releaseAsynchronously; +} + +/// Insert a node at head and update the total cost. +/// Node and node.key should not be nil. +- (void)insertNodeAtHead:(_YYLinkedMapNode *)node; + +/// Bring a inner node to header. +/// Node should already inside the dic. +- (void)bringNodeToHead:(_YYLinkedMapNode *)node; + +/// Remove a inner node and update the total cost. +/// Node should already inside the dic. +- (void)removeNode:(_YYLinkedMapNode *)node; + +/// Remove tail node if exist. +- (_YYLinkedMapNode *)removeTailNode; + +/// Remove all node in background queue. +- (void)removeAll; + +@end + +@implementation _YYLinkedMap + +- (instancetype)init { + self = [super init]; + _dic = CFDictionaryCreateMutable(CFAllocatorGetDefault(), 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); + _releaseOnMainThread = NO; + _releaseAsynchronously = YES; + return self; +} + +- (void)dealloc { + CFRelease(_dic); +} + +- (void)insertNodeAtHead:(_YYLinkedMapNode *)node { + CFDictionarySetValue(_dic, (__bridge const void *)(node->_key), (__bridge const void *)(node)); + _totalCost += node->_cost; + _totalCount++; + if (_head) { + node->_next = _head; + _head->_prev = node; + _head = node; + } else { + _head = _tail = node; + } +} + +- (void)bringNodeToHead:(_YYLinkedMapNode *)node { + if (_head == node) return; + + if (_tail == node) { + _tail = node->_prev; + _tail->_next = nil; + } else { + node->_next->_prev = node->_prev; + node->_prev->_next = node->_next; + } + node->_next = _head; + node->_prev = nil; + _head->_prev = node; + _head = node; +} + +- (void)removeNode:(_YYLinkedMapNode *)node { + CFDictionaryRemoveValue(_dic, (__bridge const void *)(node->_key)); + _totalCost -= node->_cost; + _totalCount--; + if (node->_next) node->_next->_prev = node->_prev; + if (node->_prev) node->_prev->_next = node->_next; + if (_head == node) _head = node->_next; + if (_tail == node) _tail = node->_prev; +} + +- (_YYLinkedMapNode *)removeTailNode { + if (!_tail) return nil; + _YYLinkedMapNode *tail = _tail; + CFDictionaryRemoveValue(_dic, (__bridge const void *)(_tail->_key)); + _totalCost -= _tail->_cost; + _totalCount--; + if (_head == _tail) { + _head = _tail = nil; + } else { + _tail = _tail->_prev; + _tail->_next = nil; + } + return tail; +} + +- (void)removeAll { + _totalCost = 0; + _totalCount = 0; + _head = nil; + _tail = nil; + if (CFDictionaryGetCount(_dic) > 0) { + CFMutableDictionaryRef holder = _dic; + _dic = CFDictionaryCreateMutable(CFAllocatorGetDefault(), 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); + + if (_releaseAsynchronously) { + dispatch_queue_t queue = _releaseOnMainThread ? dispatch_get_main_queue() : YYMemoryCacheGetReleaseQueue(); + dispatch_async(queue, ^{ + CFRelease(holder); // hold and release in specified queue + }); + } else if (_releaseOnMainThread && !pthread_main_np()) { + dispatch_async(dispatch_get_main_queue(), ^{ + CFRelease(holder); // hold and release in specified queue + }); + } else { + CFRelease(holder); + } + } +} + +@end + + + +@implementation YYMemoryCache { + pthread_mutex_t _lock; + _YYLinkedMap *_lru; + dispatch_queue_t _queue; +} + +- (void)_trimRecursively { + __weak typeof(self) _self = self; + dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(_autoTrimInterval * NSEC_PER_SEC)), dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW, 0), ^{ + __strong typeof(_self) self = _self; + if (!self) return; + [self _trimInBackground]; + [self _trimRecursively]; + }); +} + +- (void)_trimInBackground { + dispatch_async(_queue, ^{ + [self _trimToCost:self->_costLimit]; + [self _trimToCount:self->_countLimit]; + [self _trimToAge:self->_ageLimit]; + }); +} + +- (void)_trimToCost:(NSUInteger)costLimit { + BOOL finish = NO; + pthread_mutex_lock(&_lock); + if (costLimit == 0) { + [_lru removeAll]; + finish = YES; + } else if (_lru->_totalCost <= costLimit) { + finish = YES; + } + pthread_mutex_unlock(&_lock); + if (finish) return; + + NSMutableArray *holder = [NSMutableArray new]; + while (!finish) { + if (pthread_mutex_trylock(&_lock) == 0) { + if (_lru->_totalCost > costLimit) { + _YYLinkedMapNode *node = [_lru removeTailNode]; + if (node) [holder addObject:node]; + } else { + finish = YES; + } + pthread_mutex_unlock(&_lock); + } else { + usleep(10 * 1000); //10 ms + } + } + if (holder.count) { + dispatch_queue_t queue = _lru->_releaseOnMainThread ? dispatch_get_main_queue() : YYMemoryCacheGetReleaseQueue(); + dispatch_async(queue, ^{ + [holder count]; // release in queue + }); + } +} + +- (void)_trimToCount:(NSUInteger)countLimit { + BOOL finish = NO; + pthread_mutex_lock(&_lock); + if (countLimit == 0) { + [_lru removeAll]; + finish = YES; + } else if (_lru->_totalCount <= countLimit) { + finish = YES; + } + pthread_mutex_unlock(&_lock); + if (finish) return; + + NSMutableArray *holder = [NSMutableArray new]; + while (!finish) { + if (pthread_mutex_trylock(&_lock) == 0) { + if (_lru->_totalCount > countLimit) { + _YYLinkedMapNode *node = [_lru removeTailNode]; + if (node) [holder addObject:node]; + } else { + finish = YES; + } + pthread_mutex_unlock(&_lock); + } else { + usleep(10 * 1000); //10 ms + } + } + if (holder.count) { + dispatch_queue_t queue = _lru->_releaseOnMainThread ? dispatch_get_main_queue() : YYMemoryCacheGetReleaseQueue(); + dispatch_async(queue, ^{ + [holder count]; // release in queue + }); + } +} + +- (void)_trimToAge:(NSTimeInterval)ageLimit { + BOOL finish = NO; + NSTimeInterval now = CACurrentMediaTime(); + pthread_mutex_lock(&_lock); + if (ageLimit <= 0) { + [_lru removeAll]; + finish = YES; + } else if (!_lru->_tail || (now - _lru->_tail->_time) <= ageLimit) { + finish = YES; + } + pthread_mutex_unlock(&_lock); + if (finish) return; + + NSMutableArray *holder = [NSMutableArray new]; + while (!finish) { + if (pthread_mutex_trylock(&_lock) == 0) { + if (_lru->_tail && (now - _lru->_tail->_time) > ageLimit) { + _YYLinkedMapNode *node = [_lru removeTailNode]; + if (node) [holder addObject:node]; + } else { + finish = YES; + } + pthread_mutex_unlock(&_lock); + } else { + usleep(10 * 1000); //10 ms + } + } + if (holder.count) { + dispatch_queue_t queue = _lru->_releaseOnMainThread ? dispatch_get_main_queue() : YYMemoryCacheGetReleaseQueue(); + dispatch_async(queue, ^{ + [holder count]; // release in queue + }); + } +} + +- (void)_appDidReceiveMemoryWarningNotification { + if (self.didReceiveMemoryWarningBlock) { + self.didReceiveMemoryWarningBlock(self); + } + if (self.shouldRemoveAllObjectsOnMemoryWarning) { + [self removeAllObjects]; + } +} + +- (void)_appDidEnterBackgroundNotification { + if (self.didEnterBackgroundBlock) { + self.didEnterBackgroundBlock(self); + } + if (self.shouldRemoveAllObjectsWhenEnteringBackground) { + [self removeAllObjects]; + } +} + +#pragma mark - public + +- (instancetype)init { + self = super.init; + pthread_mutex_init(&_lock, NULL); + _lru = [_YYLinkedMap new]; + _queue = dispatch_queue_create("com.ibireme.cache.memory", DISPATCH_QUEUE_SERIAL); + + _countLimit = NSUIntegerMax; + _costLimit = NSUIntegerMax; + _ageLimit = DBL_MAX; + _autoTrimInterval = 5.0; + _shouldRemoveAllObjectsOnMemoryWarning = YES; + _shouldRemoveAllObjectsWhenEnteringBackground = YES; + + [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(_appDidReceiveMemoryWarningNotification) name:UIApplicationDidReceiveMemoryWarningNotification object:nil]; + [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(_appDidEnterBackgroundNotification) name:UIApplicationDidEnterBackgroundNotification object:nil]; + + [self _trimRecursively]; + return self; +} + +- (void)dealloc { + [[NSNotificationCenter defaultCenter] removeObserver:self name:UIApplicationDidReceiveMemoryWarningNotification object:nil]; + [[NSNotificationCenter defaultCenter] removeObserver:self name:UIApplicationDidEnterBackgroundNotification object:nil]; + [_lru removeAll]; + pthread_mutex_destroy(&_lock); +} + +- (NSUInteger)totalCount { + pthread_mutex_lock(&_lock); + NSUInteger count = _lru->_totalCount; + pthread_mutex_unlock(&_lock); + return count; +} + +- (NSUInteger)totalCost { + pthread_mutex_lock(&_lock); + NSUInteger totalCost = _lru->_totalCost; + pthread_mutex_unlock(&_lock); + return totalCost; +} + +- (BOOL)releaseOnMainThread { + pthread_mutex_lock(&_lock); + BOOL releaseOnMainThread = _lru->_releaseOnMainThread; + pthread_mutex_unlock(&_lock); + return releaseOnMainThread; +} + +- (void)setReleaseOnMainThread:(BOOL)releaseOnMainThread { + pthread_mutex_lock(&_lock); + _lru->_releaseOnMainThread = releaseOnMainThread; + pthread_mutex_unlock(&_lock); +} + +- (BOOL)releaseAsynchronously { + pthread_mutex_lock(&_lock); + BOOL releaseAsynchronously = _lru->_releaseAsynchronously; + pthread_mutex_unlock(&_lock); + return releaseAsynchronously; +} + +- (void)setReleaseAsynchronously:(BOOL)releaseAsynchronously { + pthread_mutex_lock(&_lock); + _lru->_releaseAsynchronously = releaseAsynchronously; + pthread_mutex_unlock(&_lock); +} + +- (BOOL)containsObjectForKey:(id)key { + if (!key) return NO; + pthread_mutex_lock(&_lock); + BOOL contains = CFDictionaryContainsKey(_lru->_dic, (__bridge const void *)(key)); + pthread_mutex_unlock(&_lock); + return contains; +} + +- (id)objectForKey:(id)key { + if (!key) return nil; + pthread_mutex_lock(&_lock); + _YYLinkedMapNode *node = CFDictionaryGetValue(_lru->_dic, (__bridge const void *)(key)); + if (node) { + node->_time = CACurrentMediaTime(); + [_lru bringNodeToHead:node]; + } + pthread_mutex_unlock(&_lock); + return node ? node->_value : nil; +} + +- (void)setObject:(id)object forKey:(id)key { + [self setObject:object forKey:key withCost:0]; +} + +- (void)setObject:(id)object forKey:(id)key withCost:(NSUInteger)cost { + if (!key) return; + if (!object) { + [self removeObjectForKey:key]; + return; + } + pthread_mutex_lock(&_lock); + _YYLinkedMapNode *node = CFDictionaryGetValue(_lru->_dic, (__bridge const void *)(key)); + NSTimeInterval now = CACurrentMediaTime(); + if (node) { + _lru->_totalCost -= node->_cost; + _lru->_totalCost += cost; + node->_cost = cost; + node->_time = now; + node->_value = object; + [_lru bringNodeToHead:node]; + } else { + node = [_YYLinkedMapNode new]; + node->_cost = cost; + node->_time = now; + node->_key = key; + node->_value = object; + [_lru insertNodeAtHead:node]; + } + if (_lru->_totalCost > _costLimit) { + dispatch_async(_queue, ^{ + [self trimToCost:_costLimit]; + }); + } + if (_lru->_totalCount > _countLimit) { + _YYLinkedMapNode *node = [_lru removeTailNode]; + if (_lru->_releaseAsynchronously) { + dispatch_queue_t queue = _lru->_releaseOnMainThread ? dispatch_get_main_queue() : YYMemoryCacheGetReleaseQueue(); + dispatch_async(queue, ^{ + [node class]; //hold and release in queue + }); + } else if (_lru->_releaseOnMainThread && !pthread_main_np()) { + dispatch_async(dispatch_get_main_queue(), ^{ + [node class]; //hold and release in queue + }); + } + } + pthread_mutex_unlock(&_lock); +} + +- (void)removeObjectForKey:(id)key { + if (!key) return; + pthread_mutex_lock(&_lock); + _YYLinkedMapNode *node = CFDictionaryGetValue(_lru->_dic, (__bridge const void *)(key)); + if (node) { + [_lru removeNode:node]; + if (_lru->_releaseAsynchronously) { + dispatch_queue_t queue = _lru->_releaseOnMainThread ? dispatch_get_main_queue() : YYMemoryCacheGetReleaseQueue(); + dispatch_async(queue, ^{ + [node class]; //hold and release in queue + }); + } else if (_lru->_releaseOnMainThread && !pthread_main_np()) { + dispatch_async(dispatch_get_main_queue(), ^{ + [node class]; //hold and release in queue + }); + } + } + pthread_mutex_unlock(&_lock); +} + +- (void)removeAllObjects { + pthread_mutex_lock(&_lock); + [_lru removeAll]; + pthread_mutex_unlock(&_lock); +} + +- (void)trimToCount:(NSUInteger)count { + if (count == 0) { + [self removeAllObjects]; + return; + } + [self _trimToCount:count]; +} + +- (void)trimToCost:(NSUInteger)cost { + [self _trimToCost:cost]; +} + +- (void)trimToAge:(NSTimeInterval)age { + [self _trimToAge:age]; +} + +- (NSString *)description { + if (_name) return [NSString stringWithFormat:@"<%@: %p> (%@)", self.class, self, _name]; + else return [NSString stringWithFormat:@"<%@: %p>", self.class, self]; +} + +@end diff --git a/ProductApp/Pods/YYImage/LICENSE b/ProductApp/Pods/YYImage/LICENSE new file mode 100644 index 0000000..46be20b --- /dev/null +++ b/ProductApp/Pods/YYImage/LICENSE @@ -0,0 +1,22 @@ +The MIT License (MIT) + +Copyright (c) 2015 ibireme + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. + diff --git a/ProductApp/Pods/YYImage/README.md b/ProductApp/Pods/YYImage/README.md new file mode 100755 index 0000000..7051d7f --- /dev/null +++ b/ProductApp/Pods/YYImage/README.md @@ -0,0 +1,384 @@ +YYImage +============== +[![License MIT](https://img.shields.io/badge/license-MIT-green.svg?style=flat)](https://raw.githubusercontent.com/ibireme/YYImage/master/LICENSE)  +[![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)  +[![CocoaPods](http://img.shields.io/cocoapods/v/YYImage.svg?style=flat)](http://cocoapods.org/?q= YYImage)  +[![CocoaPods](http://img.shields.io/cocoapods/p/YYImage.svg?style=flat)](http://cocoapods.org/?q= YYImage)  +[![Support](https://img.shields.io/badge/support-iOS%206%2B%20-blue.svg?style=flat)](https://www.apple.com/nl/ios/)  +[![Build Status](https://travis-ci.org/ibireme/YYImage.svg?branch=master)](https://travis-ci.org/ibireme/YYImage) + +Image framework for iOS to display/encode/decode animated WebP, APNG, GIF, and more.
+(It's a component of [YYKit](https://github.com/ibireme/YYKit)) + +![niconiconi~](https://raw.github.com/ibireme/YYImage/master/Demo/YYImageDemo/niconiconi@2x.gif +) + +Features +============== +- Display/encode/decode animated image with these types:
    WebP, APNG, GIF. +- Display/encode/decode still image with these types:
    WebP, PNG, GIF, JPEG, JP2, TIFF, BMP, ICO, ICNS. +- Baseline/progressive/interlaced image decode with these types:
    PNG, GIF, JPEG, BMP. +- Display frame based image animation and sprite sheet animation. +- Dynamic memory buffer for lower memory usage. +- Fully compatible with UIImage and UIImageView class. +- Extendable protocol for custom image animation. +- Fully documented. + +Usage +============== + +###Display animated image + + // File: ani@3x.gif + UIImage *image = [YYImage imageNamed:@"ani.gif"]; + UIImageView *imageView = [[YYAnimatedImageView alloc] initWithImage:image]; + [self.view addSubView:imageView]; + + +###Display frame animation + + // Files: frame1.png, frame2.png, frame3.png + NSArray *paths = @[@"/ani/frame1.png", @"/ani/frame2.png", @"/ani/frame3.png"]; + NSArray *times = @[@0.1, @0.2, @0.1]; + UIImage *image = [YYFrameImage alloc] initWithImagePaths:paths frameDurations:times repeats:YES]; + UIImageView *imageView = [YYAnimatedImageView alloc] initWithImage:image]; + [self.view addSubView:imageView]; + +###Display sprite sheet animation + + // 8 * 12 sprites in a single sheet image + UIImage *spriteSheet = [UIImage imageNamed:@"sprite-sheet"]; + NSMutableArray *contentRects = [NSMutableArray new]; + NSMutableArray *durations = [NSMutableArray new]; + for (int j = 0; j < 12; j++) { + for (int i = 0; i < 8; i++) { + CGRect rect; + rect.size = CGSizeMake(img.size.width / 8, img.size.height / 12); + rect.origin.x = img.size.width / 8 * i; + rect.origin.y = img.size.height / 12 * j; + [contentRects addObject:[NSValue valueWithCGRect:rect]]; + [durations addObject:@(1 / 60.0)]; + } + } + YYSpriteSheetImage *sprite; + sprite = [[YYSpriteSheetImage alloc] initWithSpriteSheetImage:img + contentRects:contentRects + frameDurations:durations + loopCount:0]; + YYAnimatedImageView *imageView = [YYAnimatedImageView new]; + imageView.size = CGSizeMake(img.size.width / 8, img.size.height / 12); + imageView.image = sprite; + [self.view addSubView:imageView]; + +###Animation control + + YYAnimatedImageView *imageView = ...; + // pause: + [imageView stopAnimating]; + // play: + [imageView startAnimating]; + // set frame index: + imageView.currentAnimatedImageIndex = 12; + // get current status + image.currentIsPlayingAnimation; + +###Image decoder + + // Decode single frame: + NSData *data = [NSData dataWithContentsOfFile:@"/tmp/image.webp"]; + YYImageDecoder *decoder = [YYImageDecoder decoderWithData:data scale:2.0]; + UIImage image = [decoder frameAtIndex:0 decodeForDisplay:YES].image; + + // Progressive: + NSMutableData *data = [NSMutableData new]; + YYImageDecoder *decoder = [[YYImageDecoder alloc] initWithScale:2.0]; + while(newDataArrived) { + [data appendData:newData]; + [decoder updateData:data final:NO]; + if (decoder.frameCount > 0) { + UIImage image = [decoder frameAtIndex:0 decodeForDisplay:YES].image; + // progressive display... + } + } + [decoder updateData:data final:YES]; + UIImage image = [decoder frameAtIndex:0 decodeForDisplay:YES].image; + // final display... + +###Image encoder + + // Encode still image: + YYImageEncoder *jpegEncoder = [[YYImageEncoder alloc] initWithType:YYImageTypeJPEG]; + jpegEncoder.quality = 0.9; + [jpegEncoder addImage:image duration:0]; + NSData jpegData = [jpegEncoder encode]; + + // Encode animated image: + YYImageEncoder *webpEncoder = [[YYImageEncoder alloc] initWithType:YYImageTypeWebP]; + webpEncoder.loopCount = 5; + [webpEncoder addImage:image0 duration:0.1]; + [webpEncoder addImage:image1 duration:0.15]; + [webpEncoder addImage:image2 duration:0.2]; + NSData webpData = [webpEncoder encode]; + +###Image type detection + + // Get image type from image data + YYImageType type = YYImageDetectType(data); + if (type == YYImageTypePNG) ... + + +Installation +============== + +### CocoaPods + +1. Update cocoapods to the latest version. +2. Add `pod 'YYImage'` to your Podfile. +3. Run `pod install` or `pod update`. +4. Import \. +5. Notice: it doesn't include WebP subspec by default, if you want to support WebP format, you may add `pod 'YYImage/WebP'` to your Podfile. + +### Carthage + +1. Add `github "ibireme/YYImage"` to your Cartfile. +2. Run `carthage update --platform ios` and add the framework to your project. +3. Import \. +4. Notice: carthage framework doesn't include WebP component, if you want to support WebP format, use CocoaPods or install manually. + +### Manually + +1. Download all the files in the YYImage subdirectory. +2. Add the source files to your Xcode project. +3. Link with required frameworks: + * UIKit + * CoreFoundation + * QuartzCore + * AssetsLibrary + * ImageIO + * Accelerate + * MobileCoreServices + * libz +4. Import `YYImage.h`. +5. Notice: if you want to support WebP format, you may add `Vendor/WebP.framework`(static library) to your Xcode project. + +FAQ +============== +_Q: Why I can't display WebP image?_ + +A: Make sure you added the `WebP.framework` in your project. You may call `YYImageWebPAvailable()` to check whether the WebP subspec is installed correctly. + +_Q: Why I can't play APNG animation?_ + +A: You should disable the `Compress PNG Files` and `Remove Text Metadata From PNG Files` in your project's build settings. Or you can rename your APNG file's extension name with `apng`. + +Documentation +============== +Full API documentation is available on [CocoaDocs](http://cocoadocs.org/docsets/YYImage/).
+You can also install documentation locally using [appledoc](https://github.com/tomaz/appledoc). + + + +Requirements +============== +This library requires `iOS 6.0+` and `Xcode 7.0+`. + + +License +============== +YYImage is provided under the MIT license. See LICENSE file for details. + + +

+--- +中文介绍 +============== +YYImage: 功能强大的 iOS 图像框架。
+(该项目是 [YYKit](https://github.com/ibireme/YYKit) 组件之一) + +![niconiconi~](https://raw.github.com/ibireme/YYImage/master/Demo/YYImageDemo/niconiconi@2x.gif +) + +特性 +============== +- 支持以下类型动画图像的播放/编码/解码:
+     WebP, APNG, GIF。 +- 支持以下类型静态图像的显示/编码/解码:
+     WebP, PNG, GIF, JPEG, JP2, TIFF, BMP, ICO, ICNS。 +- 支持以下类型图片的渐进式/逐行扫描/隔行扫描解码:
+     PNG, GIF, JPEG, BMP。 +- 支持多张图片构成的帧动画播放，支持单张图片的 sprite sheet 动画。 +- 高效的动态内存缓存管理，以保证高性能低内存的动画播放。 +- 完全兼容 UIImage 和 UIImageView，使用方便。 +- 保留可扩展的接口，以支持自定义动画。 +- 每个类和方法都有完善的文档注释。 + + +用法 +============== + +###显示动画类型的图片 + + // 文件: ani@3x.gif + UIImage *image = [YYImage imageNamed:@"ani.gif"]; + UIImageView *imageView = [[YYAnimatedImageView alloc] initWithImage:image]; + [self.view addSubView:imageView]; + + +###播放帧动画 + + // 文件: frame1.png, frame2.png, frame3.png + NSArray *paths = @[@"/ani/frame1.png", @"/ani/frame2.png", @"/ani/frame3.png"]; + NSArray *times = @[@0.1, @0.2, @0.1]; + UIImage *image = [YYFrameImage alloc] initWithImagePaths:paths frameDurations:times repeats:YES]; + UIImageView *imageView = [YYAnimatedImageView alloc] initWithImage:image]; + [self.view addSubView:imageView]; + +###播放 sprite sheet 动画 + + // 8 * 12 sprites in a single sheet image + UIImage *spriteSheet = [UIImage imageNamed:@"sprite-sheet"]; + NSMutableArray *contentRects = [NSMutableArray new]; + NSMutableArray *durations = [NSMutableArray new]; + for (int j = 0; j < 12; j++) { + for (int i = 0; i < 8; i++) { + CGRect rect; + rect.size = CGSizeMake(img.size.width / 8, img.size.height / 12); + rect.origin.x = img.size.width / 8 * i; + rect.origin.y = img.size.height / 12 * j; + [contentRects addObject:[NSValue valueWithCGRect:rect]]; + [durations addObject:@(1 / 60.0)]; + } + } + YYSpriteSheetImage *sprite; + sprite = [[YYSpriteSheetImage alloc] initWithSpriteSheetImage:img + contentRects:contentRects + frameDurations:durations + loopCount:0]; + YYAnimatedImageView *imageView = [YYAnimatedImageView new]; + imageView.size = CGSizeMake(img.size.width / 8, img.size.height / 12); + imageView.image = sprite; + [self.view addSubView:imageView]; + +###动画播放控制 + + YYAnimatedImageView *imageView = ...; + // 暂停: + [imageView stopAnimating]; + // 播放: + [imageView startAnimating]; + // 设置播放进度: + imageView.currentAnimatedImageIndex = 12; + // 获取播放状态: + image.currentIsPlayingAnimation; + //上面两个属性都支持 KVO。 + +###图片解码 + + // 解码单帧图片: + NSData *data = [NSData dataWithContentsOfFile:@"/tmp/image.webp"]; + YYImageDecoder *decoder = [YYImageDecoder decoderWithData:data scale:2.0]; + UIImage image = [decoder frameAtIndex:0 decodeForDisplay:YES].image; + + // 渐进式图片解码 (可用于图片下载显示): + NSMutableData *data = [NSMutableData new]; + YYImageDecoder *decoder = [[YYImageDecoder alloc] initWithScale:2.0]; + while(newDataArrived) { + [data appendData:newData]; + [decoder updateData:data final:NO]; + if (decoder.frameCount > 0) { + UIImage image = [decoder frameAtIndex:0 decodeForDisplay:YES].image; + // progressive display... + } + } + [decoder updateData:data final:YES]; + UIImage image = [decoder frameAtIndex:0 decodeForDisplay:YES].image; + // final display... + +###图片编码 + + // 编码静态图 (支持各种常见图片格式): + YYImageEncoder *jpegEncoder = [[YYImageEncoder alloc] initWithType:YYImageTypeJPEG]; + jpegEncoder.quality = 0.9; + [jpegEncoder addImage:image duration:0]; + NSData jpegData = [jpegEncoder encode]; + + // 编码动态图 (支持 GIF/APNG/WebP): + YYImageEncoder *webpEncoder = [[YYImageEncoder alloc] initWithType:YYImageTypeWebP]; + webpEncoder.loopCount = 5; + [webpEncoder addImage:image0 duration:0.1]; + [webpEncoder addImage:image1 duration:0.15]; + [webpEncoder addImage:image2 duration:0.2]; + NSData webpData = [webpEncoder encode]; + +###图片类型探测 + + // 获取图片类型 + YYImageType type = YYImageDetectType(data); + if (type == YYImageTypePNG) ... + + +安装 +============== + +### CocoaPods + +1. 将 cocoapods 更新至最新版本. +2. 在 Podfile 中添加 `pod 'YYImage'`。 +3. 执行 `pod install` 或 `pod update`。 +4. 导入 \。 +5. 注意：pod 配置并没有包含 WebP 组件, 如果你需要支持 WebP，可以在 Podfile 中添加 `pod 'YYImage/WebP'`。 + +### Carthage + +1. 在 Cartfile 中添加 `github "ibireme/YYImage"`。 +2. 执行 `carthage update --platform ios` 并将生成的 framework 添加到你的工程。 +3. 导入 \。 +4. 注意：carthage framework 并没有包含 WebP 组件。如果你需要支持 WebP，可以用 CocoaPods 安装，或者手动安装。 + +### 手动安装 + +1. 下载 YYImage 文件夹内的所有内容。 +2. 将 YYImage 内的源文件添加(拖放)到你的工程。 +3. 链接以下 frameworks: + * UIKit + * CoreFoundation + * QuartzCore + * AssetsLibrary + * ImageIO + * Accelerate + * MobileCoreServices + * libz +4. 导入 `YYImage.h`。 +5. 注意：如果你需要支持 WebP，可以将 `Vendor/WebP.framework`(静态库) 加入你的工程。 + +常见问题 +============== +_Q: 为什么我不能显示 WebP 图片？_ + +A: 确保 `WebP.framework` 已经被添加到你的工程内了。你可以调用 `YYImageWebPAvailable()` 来检查一下 WebP 组件是否被正确安装。 + +_Q: 为什么我不能播放 APNG 动画？_ + +A: 你应该禁用 Build Settings 中的 `Compress PNG Files` 和 `Remove Text Metadata From PNG Files`. 或者你也可以把 APNG 文件的扩展名改为`apng`. + +文档 +============== +你可以在 [CocoaDocs](http://cocoadocs.org/docsets/YYImage/) 查看在线 API 文档，也可以用 [appledoc](https://github.com/tomaz/appledoc) 本地生成文档。 + + +系统要求 +============== +该项目最低支持 `iOS 6.0` 和 `Xcode 7.0`。 + + +许可证 +============== +YYImage 使用 MIT 许可证，详情见 LICENSE 文件。 + + +相关链接 +============== +[移动端图片格式调研](http://blog.ibireme.com/2015/11/02/mobile_image_benchmark/)
+ +[iOS 处理图片的一些小 Tip](http://blog.ibireme.com/2015/11/02/ios_image_tips/) + diff --git a/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/config.h b/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/config.h new file mode 100644 index 0000000..70b1fbd --- /dev/null +++ b/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/config.h @@ -0,0 +1,145 @@ +/* src/webp/config.h. Generated from config.h.in by configure. */ +/* src/webp/config.h.in. Generated from configure.ac by autoheader. */ + +/* Define if building universal (internal helper macro) */ +/* #undef AC_APPLE_UNIVERSAL_BUILD */ + +/* Set to 1 if __builtin_bswap16 is available */ +#define HAVE_BUILTIN_BSWAP16 1 + +/* Set to 1 if __builtin_bswap32 is available */ +#define HAVE_BUILTIN_BSWAP32 1 + +/* Set to 1 if __builtin_bswap64 is available */ +#define HAVE_BUILTIN_BSWAP64 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_DLFCN_H 1 + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_GLUT_GLUT_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_GL_GLUT_H */ + +/* Define to 1 if you have the header file. */ +#define HAVE_INTTYPES_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_MEMORY_H 1 + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_OPENGL_GLUT_H */ + +/* Have PTHREAD_PRIO_INHERIT. */ +#define HAVE_PTHREAD_PRIO_INHERIT 1 + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SHLWAPI_H */ + +/* Define to 1 if you have the header file. */ +#define HAVE_STDINT_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_STDLIB_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_STRINGS_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_STRING_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_STAT_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_TYPES_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_UNISTD_H 1 + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_WINCODEC_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_WINDOWS_H */ + +/* Define to the sub-directory in which libtool stores uninstalled libraries. + */ +#define LT_OBJDIR ".libs/" + +/* Name of package */ +#define PACKAGE "libwebp" + +/* Define to the address where bug reports for this package should be sent. */ +#define PACKAGE_BUGREPORT "https://bugs.chromium.org/p/webp" + +/* Define to the full name of this package. */ +#define PACKAGE_NAME "libwebp" + +/* Define to the full name and version of this package. */ +#define PACKAGE_STRING "libwebp 0.5.0" + +/* Define to the one symbol short name of this package. */ +#define PACKAGE_TARNAME "libwebp" + +/* Define to the home page for this package. */ +#define PACKAGE_URL "http://developers.google.com/speed/webp" + +/* Define to the version of this package. */ +#define PACKAGE_VERSION "0.5.0" + +/* Define to necessary symbol if this constant uses a non-standard name on + your system. */ +/* #undef PTHREAD_CREATE_JOINABLE */ + +/* Define to 1 if you have the ANSI C header files. */ +#define STDC_HEADERS 1 + +/* Version number of package */ +#define VERSION "0.5.0" + +/* Enable experimental code */ +/* #undef WEBP_EXPERIMENTAL_FEATURES */ + +/* Define to 1 to force aligned memory operations */ +/* #undef WEBP_FORCE_ALIGNED */ + +/* Set to 1 if AVX2 is supported */ +/* #undef WEBP_HAVE_AVX2 */ + +/* Set to 1 if GIF library is installed */ +/* #undef WEBP_HAVE_GIF */ + +/* Set to 1 if OpenGL is supported */ +/* #undef WEBP_HAVE_GL */ + +/* Set to 1 if JPEG library is installed */ +/* #undef WEBP_HAVE_JPEG */ + +/* Set to 1 if PNG library is installed */ +/* #undef WEBP_HAVE_PNG */ + +/* Set to 1 if SSE2 is supported */ +/* #undef WEBP_HAVE_SSE2 */ + +/* Set to 1 if SSE4.1 is supported */ +/* #undef WEBP_HAVE_SSE41 */ + +/* Set to 1 if TIFF library is installed */ +/* #undef WEBP_HAVE_TIFF */ + +/* Undefine this to disable thread support. */ +#define WEBP_USE_THREAD 1 + +/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most + significant byte first (like Motorola and SPARC, unlike Intel). */ +#if defined AC_APPLE_UNIVERSAL_BUILD +# if defined __BIG_ENDIAN__ +# define WORDS_BIGENDIAN 1 +# endif +#else +# ifndef WORDS_BIGENDIAN +/* # undef WORDS_BIGENDIAN */ +# endif +#endif diff --git a/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/decode.h b/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/decode.h new file mode 100644 index 0000000..143e4fb --- /dev/null +++ b/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/decode.h @@ -0,0 +1,488 @@ +// Copyright 2010 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Main decoding functions for WebP images. +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_WEBP_DECODE_H_ +#define WEBP_WEBP_DECODE_H_ + +#include "./types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define WEBP_DECODER_ABI_VERSION 0x0208 // MAJOR(8b) + MINOR(8b) + +// Note: forward declaring enumerations is not allowed in (strict) C and C++, +// the types are left here for reference. +// typedef enum VP8StatusCode VP8StatusCode; +// typedef enum WEBP_CSP_MODE WEBP_CSP_MODE; +typedef struct WebPRGBABuffer WebPRGBABuffer; +typedef struct WebPYUVABuffer WebPYUVABuffer; +typedef struct WebPDecBuffer WebPDecBuffer; +typedef struct WebPIDecoder WebPIDecoder; +typedef struct WebPBitstreamFeatures WebPBitstreamFeatures; +typedef struct WebPDecoderOptions WebPDecoderOptions; +typedef struct WebPDecoderConfig WebPDecoderConfig; + +// Return the decoder's version number, packed in hexadecimal using 8bits for +// each of major/minor/revision. E.g: v2.5.7 is 0x020507. +WEBP_EXTERN(int) WebPGetDecoderVersion(void); + +// Retrieve basic header information: width, height. +// This function will also validate the header and return 0 in +// case of formatting error. +// Pointers 'width' and 'height' can be passed NULL if deemed irrelevant. +WEBP_EXTERN(int) WebPGetInfo(const uint8_t* data, size_t data_size, + int* width, int* height); + +// Decodes WebP images pointed to by 'data' and returns RGBA samples, along +// with the dimensions in *width and *height. The ordering of samples in +// memory is R, G, B, A, R, G, B, A... in scan order (endian-independent). +// The returned pointer should be deleted calling WebPFree(). +// Returns NULL in case of error. +WEBP_EXTERN(uint8_t*) WebPDecodeRGBA(const uint8_t* data, size_t data_size, + int* width, int* height); + +// Same as WebPDecodeRGBA, but returning A, R, G, B, A, R, G, B... ordered data. +WEBP_EXTERN(uint8_t*) WebPDecodeARGB(const uint8_t* data, size_t data_size, + int* width, int* height); + +// Same as WebPDecodeRGBA, but returning B, G, R, A, B, G, R, A... ordered data. +WEBP_EXTERN(uint8_t*) WebPDecodeBGRA(const uint8_t* data, size_t data_size, + int* width, int* height); + +// Same as WebPDecodeRGBA, but returning R, G, B, R, G, B... ordered data. +// If the bitstream contains transparency, it is ignored. +WEBP_EXTERN(uint8_t*) WebPDecodeRGB(const uint8_t* data, size_t data_size, + int* width, int* height); + +// Same as WebPDecodeRGB, but returning B, G, R, B, G, R... ordered data. +WEBP_EXTERN(uint8_t*) WebPDecodeBGR(const uint8_t* data, size_t data_size, + int* width, int* height); + + +// Decode WebP images pointed to by 'data' to Y'UV format(*). The pointer +// returned is the Y samples buffer. Upon return, *u and *v will point to +// the U and V chroma data. These U and V buffers need NOT be passed to +// WebPFree(), unlike the returned Y luma one. The dimension of the U and V +// planes are both (*width + 1) / 2 and (*height + 1)/ 2. +// Upon return, the Y buffer has a stride returned as '*stride', while U and V +// have a common stride returned as '*uv_stride'. +// Return NULL in case of error. +// (*) Also named Y'CbCr. See: http://en.wikipedia.org/wiki/YCbCr +WEBP_EXTERN(uint8_t*) WebPDecodeYUV(const uint8_t* data, size_t data_size, + int* width, int* height, + uint8_t** u, uint8_t** v, + int* stride, int* uv_stride); + +// Releases memory returned by the WebPDecode*() functions above. +WEBP_EXTERN(void) WebPFree(void* ptr); + +// These five functions are variants of the above ones, that decode the image +// directly into a pre-allocated buffer 'output_buffer'. The maximum storage +// available in this buffer is indicated by 'output_buffer_size'. If this +// storage is not sufficient (or an error occurred), NULL is returned. +// Otherwise, output_buffer is returned, for convenience. +// The parameter 'output_stride' specifies the distance (in bytes) +// between scanlines. Hence, output_buffer_size is expected to be at least +// output_stride x picture-height. +WEBP_EXTERN(uint8_t*) WebPDecodeRGBAInto( + const uint8_t* data, size_t data_size, + uint8_t* output_buffer, size_t output_buffer_size, int output_stride); +WEBP_EXTERN(uint8_t*) WebPDecodeARGBInto( + const uint8_t* data, size_t data_size, + uint8_t* output_buffer, size_t output_buffer_size, int output_stride); +WEBP_EXTERN(uint8_t*) WebPDecodeBGRAInto( + const uint8_t* data, size_t data_size, + uint8_t* output_buffer, size_t output_buffer_size, int output_stride); + +// RGB and BGR variants. Here too the transparency information, if present, +// will be dropped and ignored. +WEBP_EXTERN(uint8_t*) WebPDecodeRGBInto( + const uint8_t* data, size_t data_size, + uint8_t* output_buffer, size_t output_buffer_size, int output_stride); +WEBP_EXTERN(uint8_t*) WebPDecodeBGRInto( + const uint8_t* data, size_t data_size, + uint8_t* output_buffer, size_t output_buffer_size, int output_stride); + +// WebPDecodeYUVInto() is a variant of WebPDecodeYUV() that operates directly +// into pre-allocated luma/chroma plane buffers. This function requires the +// strides to be passed: one for the luma plane and one for each of the +// chroma ones. The size of each plane buffer is passed as 'luma_size', +// 'u_size' and 'v_size' respectively. +// Pointer to the luma plane ('*luma') is returned or NULL if an error occurred +// during decoding (or because some buffers were found to be too small). +WEBP_EXTERN(uint8_t*) WebPDecodeYUVInto( + const uint8_t* data, size_t data_size, + uint8_t* luma, size_t luma_size, int luma_stride, + uint8_t* u, size_t u_size, int u_stride, + uint8_t* v, size_t v_size, int v_stride); + +//------------------------------------------------------------------------------ +// Output colorspaces and buffer + +// Colorspaces +// Note: the naming describes the byte-ordering of packed samples in memory. +// For instance, MODE_BGRA relates to samples ordered as B,G,R,A,B,G,R,A,... +// Non-capital names (e.g.:MODE_Argb) relates to pre-multiplied RGB channels. +// RGBA-4444 and RGB-565 colorspaces are represented by following byte-order: +// RGBA-4444: [r3 r2 r1 r0 g3 g2 g1 g0], [b3 b2 b1 b0 a3 a2 a1 a0], ... +// RGB-565: [r4 r3 r2 r1 r0 g5 g4 g3], [g2 g1 g0 b4 b3 b2 b1 b0], ... +// In the case WEBP_SWAP_16BITS_CSP is defined, the bytes are swapped for +// these two modes: +// RGBA-4444: [b3 b2 b1 b0 a3 a2 a1 a0], [r3 r2 r1 r0 g3 g2 g1 g0], ... +// RGB-565: [g2 g1 g0 b4 b3 b2 b1 b0], [r4 r3 r2 r1 r0 g5 g4 g3], ... + +typedef enum WEBP_CSP_MODE { + MODE_RGB = 0, MODE_RGBA = 1, + MODE_BGR = 2, MODE_BGRA = 3, + MODE_ARGB = 4, MODE_RGBA_4444 = 5, + MODE_RGB_565 = 6, + // RGB-premultiplied transparent modes (alpha value is preserved) + MODE_rgbA = 7, + MODE_bgrA = 8, + MODE_Argb = 9, + MODE_rgbA_4444 = 10, + // YUV modes must come after RGB ones. + MODE_YUV = 11, MODE_YUVA = 12, // yuv 4:2:0 + MODE_LAST = 13 +} WEBP_CSP_MODE; + +// Some useful macros: +static WEBP_INLINE int WebPIsPremultipliedMode(WEBP_CSP_MODE mode) { + return (mode == MODE_rgbA || mode == MODE_bgrA || mode == MODE_Argb || + mode == MODE_rgbA_4444); +} + +static WEBP_INLINE int WebPIsAlphaMode(WEBP_CSP_MODE mode) { + return (mode == MODE_RGBA || mode == MODE_BGRA || mode == MODE_ARGB || + mode == MODE_RGBA_4444 || mode == MODE_YUVA || + WebPIsPremultipliedMode(mode)); +} + +static WEBP_INLINE int WebPIsRGBMode(WEBP_CSP_MODE mode) { + return (mode < MODE_YUV); +} + +//------------------------------------------------------------------------------ +// WebPDecBuffer: Generic structure for describing the output sample buffer. + +struct WebPRGBABuffer { // view as RGBA + uint8_t* rgba; // pointer to RGBA samples + int stride; // stride in bytes from one scanline to the next. + size_t size; // total size of the *rgba buffer. +}; + +struct WebPYUVABuffer { // view as YUVA + uint8_t* y, *u, *v, *a; // pointer to luma, chroma U/V, alpha samples + int y_stride; // luma stride + int u_stride, v_stride; // chroma strides + int a_stride; // alpha stride + size_t y_size; // luma plane size + size_t u_size, v_size; // chroma planes size + size_t a_size; // alpha-plane size +}; + +// Output buffer +struct WebPDecBuffer { + WEBP_CSP_MODE colorspace; // Colorspace. + int width, height; // Dimensions. + int is_external_memory; // If true, 'internal_memory' pointer is not used. + union { + WebPRGBABuffer RGBA; + WebPYUVABuffer YUVA; + } u; // Nameless union of buffer parameters. + uint32_t pad[4]; // padding for later use + + uint8_t* private_memory; // Internally allocated memory (only when + // is_external_memory is false). Should not be used + // externally, but accessed via the buffer union. +}; + +// Internal, version-checked, entry point +WEBP_EXTERN(int) WebPInitDecBufferInternal(WebPDecBuffer*, int); + +// Initialize the structure as empty. Must be called before any other use. +// Returns false in case of version mismatch +static WEBP_INLINE int WebPInitDecBuffer(WebPDecBuffer* buffer) { + return WebPInitDecBufferInternal(buffer, WEBP_DECODER_ABI_VERSION); +} + +// Free any memory associated with the buffer. Must always be called last. +// Note: doesn't free the 'buffer' structure itself. +WEBP_EXTERN(void) WebPFreeDecBuffer(WebPDecBuffer* buffer); + +//------------------------------------------------------------------------------ +// Enumeration of the status codes + +typedef enum VP8StatusCode { + VP8_STATUS_OK = 0, + VP8_STATUS_OUT_OF_MEMORY, + VP8_STATUS_INVALID_PARAM, + VP8_STATUS_BITSTREAM_ERROR, + VP8_STATUS_UNSUPPORTED_FEATURE, + VP8_STATUS_SUSPENDED, + VP8_STATUS_USER_ABORT, + VP8_STATUS_NOT_ENOUGH_DATA +} VP8StatusCode; + +//------------------------------------------------------------------------------ +// Incremental decoding +// +// This API allows streamlined decoding of partial data. +// Picture can be incrementally decoded as data become available thanks to the +// WebPIDecoder object. This object can be left in a SUSPENDED state if the +// picture is only partially decoded, pending additional input. +// Code example: +// +// WebPInitDecBuffer(&buffer); +// buffer.colorspace = mode; +// ... +// WebPIDecoder* idec = WebPINewDecoder(&buffer); +// while (has_more_data) { +// // ... (get additional data) +// status = WebPIAppend(idec, new_data, new_data_size); +// if (status != VP8_STATUS_SUSPENDED || +// break; +// } +// +// // The above call decodes the current available buffer. +// // Part of the image can now be refreshed by calling to +// // WebPIDecGetRGB()/WebPIDecGetYUVA() etc. +// } +// WebPIDelete(idec); + +// Creates a new incremental decoder with the supplied buffer parameter. +// This output_buffer can be passed NULL, in which case a default output buffer +// is used (with MODE_RGB). Otherwise, an internal reference to 'output_buffer' +// is kept, which means that the lifespan of 'output_buffer' must be larger than +// that of the returned WebPIDecoder object. +// The supplied 'output_buffer' content MUST NOT be changed between calls to +// WebPIAppend() or WebPIUpdate() unless 'output_buffer.is_external_memory' is +// set to 1. In such a case, it is allowed to modify the pointers, size and +// stride of output_buffer.u.RGBA or output_buffer.u.YUVA, provided they remain +// within valid bounds. +// All other fields of WebPDecBuffer MUST remain constant between calls. +// Returns NULL if the allocation failed. +WEBP_EXTERN(WebPIDecoder*) WebPINewDecoder(WebPDecBuffer* output_buffer); + +// This function allocates and initializes an incremental-decoder object, which +// will output the RGB/A samples specified by 'csp' into a preallocated +// buffer 'output_buffer'. The size of this buffer is at least +// 'output_buffer_size' and the stride (distance in bytes between two scanlines) +// is specified by 'output_stride'. +// Additionally, output_buffer can be passed NULL in which case the output +// buffer will be allocated automatically when the decoding starts. The +// colorspace 'csp' is taken into account for allocating this buffer. All other +// parameters are ignored. +// Returns NULL if the allocation failed, or if some parameters are invalid. +WEBP_EXTERN(WebPIDecoder*) WebPINewRGB( + WEBP_CSP_MODE csp, + uint8_t* output_buffer, size_t output_buffer_size, int output_stride); + +// This function allocates and initializes an incremental-decoder object, which +// will output the raw luma/chroma samples into a preallocated planes if +// supplied. The luma plane is specified by its pointer 'luma', its size +// 'luma_size' and its stride 'luma_stride'. Similarly, the chroma-u plane +// is specified by the 'u', 'u_size' and 'u_stride' parameters, and the chroma-v +// plane by 'v' and 'v_size'. And same for the alpha-plane. The 'a' pointer +// can be pass NULL in case one is not interested in the transparency plane. +// Conversely, 'luma' can be passed NULL if no preallocated planes are supplied. +// In this case, the output buffer will be automatically allocated (using +// MODE_YUVA) when decoding starts. All parameters are then ignored. +// Returns NULL if the allocation failed or if a parameter is invalid. +WEBP_EXTERN(WebPIDecoder*) WebPINewYUVA( + uint8_t* luma, size_t luma_size, int luma_stride, + uint8_t* u, size_t u_size, int u_stride, + uint8_t* v, size_t v_size, int v_stride, + uint8_t* a, size_t a_size, int a_stride); + +// Deprecated version of the above, without the alpha plane. +// Kept for backward compatibility. +WEBP_EXTERN(WebPIDecoder*) WebPINewYUV( + uint8_t* luma, size_t luma_size, int luma_stride, + uint8_t* u, size_t u_size, int u_stride, + uint8_t* v, size_t v_size, int v_stride); + +// Deletes the WebPIDecoder object and associated memory. Must always be called +// if WebPINewDecoder, WebPINewRGB or WebPINewYUV succeeded. +WEBP_EXTERN(void) WebPIDelete(WebPIDecoder* idec); + +// Copies and decodes the next available data. Returns VP8_STATUS_OK when +// the image is successfully decoded. Returns VP8_STATUS_SUSPENDED when more +// data is expected. Returns error in other cases. +WEBP_EXTERN(VP8StatusCode) WebPIAppend( + WebPIDecoder* idec, const uint8_t* data, size_t data_size); + +// A variant of the above function to be used when data buffer contains +// partial data from the beginning. In this case data buffer is not copied +// to the internal memory. +// Note that the value of the 'data' pointer can change between calls to +// WebPIUpdate, for instance when the data buffer is resized to fit larger data. +WEBP_EXTERN(VP8StatusCode) WebPIUpdate( + WebPIDecoder* idec, const uint8_t* data, size_t data_size); + +// Returns the RGB/A image decoded so far. Returns NULL if output params +// are not initialized yet. The RGB/A output type corresponds to the colorspace +// specified during call to WebPINewDecoder() or WebPINewRGB(). +// *last_y is the index of last decoded row in raster scan order. Some pointers +// (*last_y, *width etc.) can be NULL if corresponding information is not +// needed. +WEBP_EXTERN(uint8_t*) WebPIDecGetRGB( + const WebPIDecoder* idec, int* last_y, + int* width, int* height, int* stride); + +// Same as above function to get a YUVA image. Returns pointer to the luma +// plane or NULL in case of error. If there is no alpha information +// the alpha pointer '*a' will be returned NULL. +WEBP_EXTERN(uint8_t*) WebPIDecGetYUVA( + const WebPIDecoder* idec, int* last_y, + uint8_t** u, uint8_t** v, uint8_t** a, + int* width, int* height, int* stride, int* uv_stride, int* a_stride); + +// Deprecated alpha-less version of WebPIDecGetYUVA(): it will ignore the +// alpha information (if present). Kept for backward compatibility. +static WEBP_INLINE uint8_t* WebPIDecGetYUV( + const WebPIDecoder* idec, int* last_y, uint8_t** u, uint8_t** v, + int* width, int* height, int* stride, int* uv_stride) { + return WebPIDecGetYUVA(idec, last_y, u, v, NULL, width, height, + stride, uv_stride, NULL); +} + +// Generic call to retrieve information about the displayable area. +// If non NULL, the left/right/width/height pointers are filled with the visible +// rectangular area so far. +// Returns NULL in case the incremental decoder object is in an invalid state. +// Otherwise returns the pointer to the internal representation. This structure +// is read-only, tied to WebPIDecoder's lifespan and should not be modified. +WEBP_EXTERN(const WebPDecBuffer*) WebPIDecodedArea( + const WebPIDecoder* idec, int* left, int* top, int* width, int* height); + +//------------------------------------------------------------------------------ +// Advanced decoding parametrization +// +// Code sample for using the advanced decoding API +/* + // A) Init a configuration object + WebPDecoderConfig config; + CHECK(WebPInitDecoderConfig(&config)); + + // B) optional: retrieve the bitstream's features. + CHECK(WebPGetFeatures(data, data_size, &config.input) == VP8_STATUS_OK); + + // C) Adjust 'config', if needed + config.no_fancy_upsampling = 1; + config.output.colorspace = MODE_BGRA; + // etc. + + // Note that you can also make config.output point to an externally + // supplied memory buffer, provided it's big enough to store the decoded + // picture. Otherwise, config.output will just be used to allocate memory + // and store the decoded picture. + + // D) Decode! + CHECK(WebPDecode(data, data_size, &config) == VP8_STATUS_OK); + + // E) Decoded image is now in config.output (and config.output.u.RGBA) + + // F) Reclaim memory allocated in config's object. It's safe to call + // this function even if the memory is external and wasn't allocated + // by WebPDecode(). + WebPFreeDecBuffer(&config.output); +*/ + +// Features gathered from the bitstream +struct WebPBitstreamFeatures { + int width; // Width in pixels, as read from the bitstream. + int height; // Height in pixels, as read from the bitstream. + int has_alpha; // True if the bitstream contains an alpha channel. + int has_animation; // True if the bitstream is an animation. + int format; // 0 = undefined (/mixed), 1 = lossy, 2 = lossless + + uint32_t pad[5]; // padding for later use +}; + +// Internal, version-checked, entry point +WEBP_EXTERN(VP8StatusCode) WebPGetFeaturesInternal( + const uint8_t*, size_t, WebPBitstreamFeatures*, int); + +// Retrieve features from the bitstream. The *features structure is filled +// with information gathered from the bitstream. +// Returns VP8_STATUS_OK when the features are successfully retrieved. Returns +// VP8_STATUS_NOT_ENOUGH_DATA when more data is needed to retrieve the +// features from headers. Returns error in other cases. +static WEBP_INLINE VP8StatusCode WebPGetFeatures( + const uint8_t* data, size_t data_size, + WebPBitstreamFeatures* features) { + return WebPGetFeaturesInternal(data, data_size, features, + WEBP_DECODER_ABI_VERSION); +} + +// Decoding options +struct WebPDecoderOptions { + int bypass_filtering; // if true, skip the in-loop filtering + int no_fancy_upsampling; // if true, use faster pointwise upsampler + int use_cropping; // if true, cropping is applied _first_ + int crop_left, crop_top; // top-left position for cropping. + // Will be snapped to even values. + int crop_width, crop_height; // dimension of the cropping area + int use_scaling; // if true, scaling is applied _afterward_ + int scaled_width, scaled_height; // final resolution + int use_threads; // if true, use multi-threaded decoding + int dithering_strength; // dithering strength (0=Off, 100=full) + int flip; // flip output vertically + int alpha_dithering_strength; // alpha dithering strength in [0..100] + + uint32_t pad[5]; // padding for later use +}; + +// Main object storing the configuration for advanced decoding. +struct WebPDecoderConfig { + WebPBitstreamFeatures input; // Immutable bitstream features (optional) + WebPDecBuffer output; // Output buffer (can point to external mem) + WebPDecoderOptions options; // Decoding options +}; + +// Internal, version-checked, entry point +WEBP_EXTERN(int) WebPInitDecoderConfigInternal(WebPDecoderConfig*, int); + +// Initialize the configuration as empty. This function must always be +// called first, unless WebPGetFeatures() is to be called. +// Returns false in case of mismatched version. +static WEBP_INLINE int WebPInitDecoderConfig(WebPDecoderConfig* config) { + return WebPInitDecoderConfigInternal(config, WEBP_DECODER_ABI_VERSION); +} + +// Instantiate a new incremental decoder object with the requested +// configuration. The bitstream can be passed using 'data' and 'data_size' +// parameter, in which case the features will be parsed and stored into +// config->input. Otherwise, 'data' can be NULL and no parsing will occur. +// Note that 'config' can be NULL too, in which case a default configuration +// is used. +// The return WebPIDecoder object must always be deleted calling WebPIDelete(). +// Returns NULL in case of error (and config->status will then reflect +// the error condition). +WEBP_EXTERN(WebPIDecoder*) WebPIDecode(const uint8_t* data, size_t data_size, + WebPDecoderConfig* config); + +// Non-incremental version. This version decodes the full data at once, taking +// 'config' into account. Returns decoding status (which should be VP8_STATUS_OK +// if the decoding was successful). +WEBP_EXTERN(VP8StatusCode) WebPDecode(const uint8_t* data, size_t data_size, + WebPDecoderConfig* config); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif /* WEBP_WEBP_DECODE_H_ */ diff --git a/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/demux.h b/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/demux.h new file mode 100644 index 0000000..454f691 --- /dev/null +++ b/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/demux.h @@ -0,0 +1,358 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Demux API. +// Enables extraction of image and extended format data from WebP files. + +// Code Example: Demuxing WebP data to extract all the frames, ICC profile +// and EXIF/XMP metadata. +/* + WebPDemuxer* demux = WebPDemux(&webp_data); + + uint32_t width = WebPDemuxGetI(demux, WEBP_FF_CANVAS_WIDTH); + uint32_t height = WebPDemuxGetI(demux, WEBP_FF_CANVAS_HEIGHT); + // ... (Get information about the features present in the WebP file). + uint32_t flags = WebPDemuxGetI(demux, WEBP_FF_FORMAT_FLAGS); + + // ... (Iterate over all frames). + WebPIterator iter; + if (WebPDemuxGetFrame(demux, 1, &iter)) { + do { + // ... (Consume 'iter'; e.g. Decode 'iter.fragment' with WebPDecode(), + // ... and get other frame properties like width, height, offsets etc. + // ... see 'struct WebPIterator' below for more info). + } while (WebPDemuxNextFrame(&iter)); + WebPDemuxReleaseIterator(&iter); + } + + // ... (Extract metadata). + WebPChunkIterator chunk_iter; + if (flags & ICCP_FLAG) WebPDemuxGetChunk(demux, "ICCP", 1, &chunk_iter); + // ... (Consume the ICC profile in 'chunk_iter.chunk'). + WebPDemuxReleaseChunkIterator(&chunk_iter); + if (flags & EXIF_FLAG) WebPDemuxGetChunk(demux, "EXIF", 1, &chunk_iter); + // ... (Consume the EXIF metadata in 'chunk_iter.chunk'). + WebPDemuxReleaseChunkIterator(&chunk_iter); + if (flags & XMP_FLAG) WebPDemuxGetChunk(demux, "XMP ", 1, &chunk_iter); + // ... (Consume the XMP metadata in 'chunk_iter.chunk'). + WebPDemuxReleaseChunkIterator(&chunk_iter); + WebPDemuxDelete(demux); +*/ + +#ifndef WEBP_WEBP_DEMUX_H_ +#define WEBP_WEBP_DEMUX_H_ + +#include "./decode.h" // for WEBP_CSP_MODE +#include "./mux_types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define WEBP_DEMUX_ABI_VERSION 0x0107 // MAJOR(8b) + MINOR(8b) + +// Note: forward declaring enumerations is not allowed in (strict) C and C++, +// the types are left here for reference. +// typedef enum WebPDemuxState WebPDemuxState; +// typedef enum WebPFormatFeature WebPFormatFeature; +typedef struct WebPDemuxer WebPDemuxer; +typedef struct WebPIterator WebPIterator; +typedef struct WebPChunkIterator WebPChunkIterator; +typedef struct WebPAnimInfo WebPAnimInfo; +typedef struct WebPAnimDecoderOptions WebPAnimDecoderOptions; + +//------------------------------------------------------------------------------ + +// Returns the version number of the demux library, packed in hexadecimal using +// 8bits for each of major/minor/revision. E.g: v2.5.7 is 0x020507. +WEBP_EXTERN(int) WebPGetDemuxVersion(void); + +//------------------------------------------------------------------------------ +// Life of a Demux object + +typedef enum WebPDemuxState { + WEBP_DEMUX_PARSE_ERROR = -1, // An error occurred while parsing. + WEBP_DEMUX_PARSING_HEADER = 0, // Not enough data to parse full header. + WEBP_DEMUX_PARSED_HEADER = 1, // Header parsing complete, + // data may be available. + WEBP_DEMUX_DONE = 2 // Entire file has been parsed. +} WebPDemuxState; + +// Internal, version-checked, entry point +WEBP_EXTERN(WebPDemuxer*) WebPDemuxInternal( + const WebPData*, int, WebPDemuxState*, int); + +// Parses the full WebP file given by 'data'. For single images the WebP file +// header alone or the file header and the chunk header may be absent. +// Returns a WebPDemuxer object on successful parse, NULL otherwise. +static WEBP_INLINE WebPDemuxer* WebPDemux(const WebPData* data) { + return WebPDemuxInternal(data, 0, NULL, WEBP_DEMUX_ABI_VERSION); +} + +// Parses the possibly incomplete WebP file given by 'data'. +// If 'state' is non-NULL it will be set to indicate the status of the demuxer. +// Returns NULL in case of error or if there isn't enough data to start parsing; +// and a WebPDemuxer object on successful parse. +// Note that WebPDemuxer keeps internal pointers to 'data' memory segment. +// If this data is volatile, the demuxer object should be deleted (by calling +// WebPDemuxDelete()) and WebPDemuxPartial() called again on the new data. +// This is usually an inexpensive operation. +static WEBP_INLINE WebPDemuxer* WebPDemuxPartial( + const WebPData* data, WebPDemuxState* state) { + return WebPDemuxInternal(data, 1, state, WEBP_DEMUX_ABI_VERSION); +} + +// Frees memory associated with 'dmux'. +WEBP_EXTERN(void) WebPDemuxDelete(WebPDemuxer* dmux); + +//------------------------------------------------------------------------------ +// Data/information extraction. + +typedef enum WebPFormatFeature { + WEBP_FF_FORMAT_FLAGS, // Extended format flags present in the 'VP8X' chunk. + WEBP_FF_CANVAS_WIDTH, + WEBP_FF_CANVAS_HEIGHT, + WEBP_FF_LOOP_COUNT, + WEBP_FF_BACKGROUND_COLOR, + WEBP_FF_FRAME_COUNT // Number of frames present in the demux object. + // In case of a partial demux, this is the number of + // frames seen so far, with the last frame possibly + // being partial. +} WebPFormatFeature; + +// Get the 'feature' value from the 'dmux'. +// NOTE: values are only valid if WebPDemux() was used or WebPDemuxPartial() +// returned a state > WEBP_DEMUX_PARSING_HEADER. +WEBP_EXTERN(uint32_t) WebPDemuxGetI( + const WebPDemuxer* dmux, WebPFormatFeature feature); + +//------------------------------------------------------------------------------ +// Frame iteration. + +struct WebPIterator { + int frame_num; + int num_frames; // equivalent to WEBP_FF_FRAME_COUNT. + int x_offset, y_offset; // offset relative to the canvas. + int width, height; // dimensions of this frame. + int duration; // display duration in milliseconds. + WebPMuxAnimDispose dispose_method; // dispose method for the frame. + int complete; // true if 'fragment' contains a full frame. partial images + // may still be decoded with the WebP incremental decoder. + WebPData fragment; // The frame given by 'frame_num'. Note for historical + // reasons this is called a fragment. + int has_alpha; // True if the frame contains transparency. + WebPMuxAnimBlend blend_method; // Blend operation for the frame. + + uint32_t pad[2]; // padding for later use. + void* private_; // for internal use only. +}; + +// Retrieves frame 'frame_number' from 'dmux'. +// 'iter->fragment' points to the frame on return from this function. +// Setting 'frame_number' equal to 0 will return the last frame of the image. +// Returns false if 'dmux' is NULL or frame 'frame_number' is not present. +// Call WebPDemuxReleaseIterator() when use of the iterator is complete. +// NOTE: 'dmux' must persist for the lifetime of 'iter'. +WEBP_EXTERN(int) WebPDemuxGetFrame( + const WebPDemuxer* dmux, int frame_number, WebPIterator* iter); + +// Sets 'iter->fragment' to point to the next ('iter->frame_num' + 1) or +// previous ('iter->frame_num' - 1) frame. These functions do not loop. +// Returns true on success, false otherwise. +WEBP_EXTERN(int) WebPDemuxNextFrame(WebPIterator* iter); +WEBP_EXTERN(int) WebPDemuxPrevFrame(WebPIterator* iter); + +// Releases any memory associated with 'iter'. +// Must be called before any subsequent calls to WebPDemuxGetChunk() on the same +// iter. Also, must be called before destroying the associated WebPDemuxer with +// WebPDemuxDelete(). +WEBP_EXTERN(void) WebPDemuxReleaseIterator(WebPIterator* iter); + +//------------------------------------------------------------------------------ +// Chunk iteration. + +struct WebPChunkIterator { + // The current and total number of chunks with the fourcc given to + // WebPDemuxGetChunk(). + int chunk_num; + int num_chunks; + WebPData chunk; // The payload of the chunk. + + uint32_t pad[6]; // padding for later use + void* private_; +}; + +// Retrieves the 'chunk_number' instance of the chunk with id 'fourcc' from +// 'dmux'. +// 'fourcc' is a character array containing the fourcc of the chunk to return, +// e.g., "ICCP", "XMP ", "EXIF", etc. +// Setting 'chunk_number' equal to 0 will return the last chunk in a set. +// Returns true if the chunk is found, false otherwise. Image related chunk +// payloads are accessed through WebPDemuxGetFrame() and related functions. +// Call WebPDemuxReleaseChunkIterator() when use of the iterator is complete. +// NOTE: 'dmux' must persist for the lifetime of the iterator. +WEBP_EXTERN(int) WebPDemuxGetChunk(const WebPDemuxer* dmux, + const char fourcc[4], int chunk_number, + WebPChunkIterator* iter); + +// Sets 'iter->chunk' to point to the next ('iter->chunk_num' + 1) or previous +// ('iter->chunk_num' - 1) chunk. These functions do not loop. +// Returns true on success, false otherwise. +WEBP_EXTERN(int) WebPDemuxNextChunk(WebPChunkIterator* iter); +WEBP_EXTERN(int) WebPDemuxPrevChunk(WebPChunkIterator* iter); + +// Releases any memory associated with 'iter'. +// Must be called before destroying the associated WebPDemuxer with +// WebPDemuxDelete(). +WEBP_EXTERN(void) WebPDemuxReleaseChunkIterator(WebPChunkIterator* iter); + +//------------------------------------------------------------------------------ +// WebPAnimDecoder API +// +// This API allows decoding (possibly) animated WebP images. +// +// Code Example: +/* + WebPAnimDecoderOptions dec_options; + WebPAnimDecoderOptionsInit(&dec_options); + // Tune 'dec_options' as needed. + WebPAnimDecoder* dec = WebPAnimDecoderNew(webp_data, &dec_options); + WebPAnimInfo anim_info; + WebPAnimDecoderGetInfo(dec, &anim_info); + for (uint32_t i = 0; i < anim_info.loop_count; ++i) { + while (WebPAnimDecoderHasMoreFrames(dec)) { + uint8_t* buf; + int timestamp; + WebPAnimDecoderGetNext(dec, &buf, ×tamp); + // ... (Render 'buf' based on 'timestamp'). + // ... (Do NOT free 'buf', as it is owned by 'dec'). + } + WebPAnimDecoderReset(dec); + } + const WebPDemuxer* demuxer = WebPAnimDecoderGetDemuxer(dec); + // ... (Do something using 'demuxer'; e.g. get EXIF/XMP/ICC data). + WebPAnimDecoderDelete(dec); +*/ + +typedef struct WebPAnimDecoder WebPAnimDecoder; // Main opaque object. + +// Global options. +struct WebPAnimDecoderOptions { + // Output colorspace. Only the following modes are supported: + // MODE_RGBA, MODE_BGRA, MODE_rgbA and MODE_bgrA. + WEBP_CSP_MODE color_mode; + int use_threads; // If true, use multi-threaded decoding. + uint32_t padding[7]; // Padding for later use. +}; + +// Internal, version-checked, entry point. +WEBP_EXTERN(int) WebPAnimDecoderOptionsInitInternal( + WebPAnimDecoderOptions*, int); + +// Should always be called, to initialize a fresh WebPAnimDecoderOptions +// structure before modification. Returns false in case of version mismatch. +// WebPAnimDecoderOptionsInit() must have succeeded before using the +// 'dec_options' object. +static WEBP_INLINE int WebPAnimDecoderOptionsInit( + WebPAnimDecoderOptions* dec_options) { + return WebPAnimDecoderOptionsInitInternal(dec_options, + WEBP_DEMUX_ABI_VERSION); +} + +// Internal, version-checked, entry point. +WEBP_EXTERN(WebPAnimDecoder*) WebPAnimDecoderNewInternal( + const WebPData*, const WebPAnimDecoderOptions*, int); + +// Creates and initializes a WebPAnimDecoder object. +// Parameters: +// webp_data - (in) WebP bitstream. This should remain unchanged during the +// lifetime of the output WebPAnimDecoder object. +// dec_options - (in) decoding options. Can be passed NULL to choose +// reasonable defaults (in particular, color mode MODE_RGBA +// will be picked). +// Returns: +// A pointer to the newly created WebPAnimDecoder object, or NULL in case of +// parsing error, invalid option or memory error. +static WEBP_INLINE WebPAnimDecoder* WebPAnimDecoderNew( + const WebPData* webp_data, const WebPAnimDecoderOptions* dec_options) { + return WebPAnimDecoderNewInternal(webp_data, dec_options, + WEBP_DEMUX_ABI_VERSION); +} + +// Global information about the animation.. +struct WebPAnimInfo { + uint32_t canvas_width; + uint32_t canvas_height; + uint32_t loop_count; + uint32_t bgcolor; + uint32_t frame_count; + uint32_t pad[4]; // padding for later use +}; + +// Get global information about the animation. +// Parameters: +// dec - (in) decoder instance to get information from. +// info - (out) global information fetched from the animation. +// Returns: +// True on success. +WEBP_EXTERN(int) WebPAnimDecoderGetInfo(const WebPAnimDecoder* dec, + WebPAnimInfo* info); + +// Fetch the next frame from 'dec' based on options supplied to +// WebPAnimDecoderNew(). This will be a fully reconstructed canvas of size +// 'canvas_width * 4 * canvas_height', and not just the frame sub-rectangle. The +// returned buffer 'buf' is valid only until the next call to +// WebPAnimDecoderGetNext(), WebPAnimDecoderReset() or WebPAnimDecoderDelete(). +// Parameters: +// dec - (in/out) decoder instance from which the next frame is to be fetched. +// buf - (out) decoded frame. +// timestamp - (out) timestamp of the frame in milliseconds. +// Returns: +// False if any of the arguments are NULL, or if there is a parsing or +// decoding error, or if there are no more frames. Otherwise, returns true. +WEBP_EXTERN(int) WebPAnimDecoderGetNext(WebPAnimDecoder* dec, + uint8_t** buf, int* timestamp); + +// Check if there are more frames left to decode. +// Parameters: +// dec - (in) decoder instance to be checked. +// Returns: +// True if 'dec' is not NULL and some frames are yet to be decoded. +// Otherwise, returns false. +WEBP_EXTERN(int) WebPAnimDecoderHasMoreFrames(const WebPAnimDecoder* dec); + +// Resets the WebPAnimDecoder object, so that next call to +// WebPAnimDecoderGetNext() will restart decoding from 1st frame. This would be +// helpful when all frames need to be decoded multiple times (e.g. +// info.loop_count times) without destroying and recreating the 'dec' object. +// Parameters: +// dec - (in/out) decoder instance to be reset +WEBP_EXTERN(void) WebPAnimDecoderReset(WebPAnimDecoder* dec); + +// Grab the internal demuxer object. +// Getting the demuxer object can be useful if one wants to use operations only +// available through demuxer; e.g. to get XMP/EXIF/ICC metadata. The returned +// demuxer object is owned by 'dec' and is valid only until the next call to +// WebPAnimDecoderDelete(). +// +// Parameters: +// dec - (in) decoder instance from which the demuxer object is to be fetched. +WEBP_EXTERN(const WebPDemuxer*) WebPAnimDecoderGetDemuxer( + const WebPAnimDecoder* dec); + +// Deletes the WebPAnimDecoder object. +// Parameters: +// dec - (in/out) decoder instance to be deleted +WEBP_EXTERN(void) WebPAnimDecoderDelete(WebPAnimDecoder* dec); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif /* WEBP_WEBP_DEMUX_H_ */ diff --git a/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/encode.h b/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/encode.h new file mode 100644 index 0000000..c382ea7 --- /dev/null +++ b/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/encode.h @@ -0,0 +1,527 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// WebP encoder: main interface +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_WEBP_ENCODE_H_ +#define WEBP_WEBP_ENCODE_H_ + +#include "./types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define WEBP_ENCODER_ABI_VERSION 0x0209 // MAJOR(8b) + MINOR(8b) + +// Note: forward declaring enumerations is not allowed in (strict) C and C++, +// the types are left here for reference. +// typedef enum WebPImageHint WebPImageHint; +// typedef enum WebPEncCSP WebPEncCSP; +// typedef enum WebPPreset WebPPreset; +// typedef enum WebPEncodingError WebPEncodingError; +typedef struct WebPConfig WebPConfig; +typedef struct WebPPicture WebPPicture; // main structure for I/O +typedef struct WebPAuxStats WebPAuxStats; +typedef struct WebPMemoryWriter WebPMemoryWriter; + +// Return the encoder's version number, packed in hexadecimal using 8bits for +// each of major/minor/revision. E.g: v2.5.7 is 0x020507. +WEBP_EXTERN(int) WebPGetEncoderVersion(void); + +//------------------------------------------------------------------------------ +// One-stop-shop call! No questions asked: + +// Returns the size of the compressed data (pointed to by *output), or 0 if +// an error occurred. The compressed data must be released by the caller +// using the call 'WebPFree(*output)'. +// These functions compress using the lossy format, and the quality_factor +// can go from 0 (smaller output, lower quality) to 100 (best quality, +// larger output). +WEBP_EXTERN(size_t) WebPEncodeRGB(const uint8_t* rgb, + int width, int height, int stride, + float quality_factor, uint8_t** output); +WEBP_EXTERN(size_t) WebPEncodeBGR(const uint8_t* bgr, + int width, int height, int stride, + float quality_factor, uint8_t** output); +WEBP_EXTERN(size_t) WebPEncodeRGBA(const uint8_t* rgba, + int width, int height, int stride, + float quality_factor, uint8_t** output); +WEBP_EXTERN(size_t) WebPEncodeBGRA(const uint8_t* bgra, + int width, int height, int stride, + float quality_factor, uint8_t** output); + +// These functions are the equivalent of the above, but compressing in a +// lossless manner. Files are usually larger than lossy format, but will +// not suffer any compression loss. +WEBP_EXTERN(size_t) WebPEncodeLosslessRGB(const uint8_t* rgb, + int width, int height, int stride, + uint8_t** output); +WEBP_EXTERN(size_t) WebPEncodeLosslessBGR(const uint8_t* bgr, + int width, int height, int stride, + uint8_t** output); +WEBP_EXTERN(size_t) WebPEncodeLosslessRGBA(const uint8_t* rgba, + int width, int height, int stride, + uint8_t** output); +WEBP_EXTERN(size_t) WebPEncodeLosslessBGRA(const uint8_t* bgra, + int width, int height, int stride, + uint8_t** output); + +// Releases memory returned by the WebPEncode*() functions above. +WEBP_EXTERN(void) WebPFree(void* ptr); + +//------------------------------------------------------------------------------ +// Coding parameters + +// Image characteristics hint for the underlying encoder. +typedef enum WebPImageHint { + WEBP_HINT_DEFAULT = 0, // default preset. + WEBP_HINT_PICTURE, // digital picture, like portrait, inner shot + WEBP_HINT_PHOTO, // outdoor photograph, with natural lighting + WEBP_HINT_GRAPH, // Discrete tone image (graph, map-tile etc). + WEBP_HINT_LAST +} WebPImageHint; + +// Compression parameters. +struct WebPConfig { + int lossless; // Lossless encoding (0=lossy(default), 1=lossless). + float quality; // between 0 (smallest file) and 100 (biggest) + int method; // quality/speed trade-off (0=fast, 6=slower-better) + + WebPImageHint image_hint; // Hint for image type (lossless only for now). + + // Parameters related to lossy compression only: + int target_size; // if non-zero, set the desired target size in bytes. + // Takes precedence over the 'compression' parameter. + float target_PSNR; // if non-zero, specifies the minimal distortion to + // try to achieve. Takes precedence over target_size. + int segments; // maximum number of segments to use, in [1..4] + int sns_strength; // Spatial Noise Shaping. 0=off, 100=maximum. + int filter_strength; // range: [0 = off .. 100 = strongest] + int filter_sharpness; // range: [0 = off .. 7 = least sharp] + int filter_type; // filtering type: 0 = simple, 1 = strong (only used + // if filter_strength > 0 or autofilter > 0) + int autofilter; // Auto adjust filter's strength [0 = off, 1 = on] + int alpha_compression; // Algorithm for encoding the alpha plane (0 = none, + // 1 = compressed with WebP lossless). Default is 1. + int alpha_filtering; // Predictive filtering method for alpha plane. + // 0: none, 1: fast, 2: best. Default if 1. + int alpha_quality; // Between 0 (smallest size) and 100 (lossless). + // Default is 100. + int pass; // number of entropy-analysis passes (in [1..10]). + + int show_compressed; // if true, export the compressed picture back. + // In-loop filtering is not applied. + int preprocessing; // preprocessing filter: + // 0=none, 1=segment-smooth, 2=pseudo-random dithering + int partitions; // log2(number of token partitions) in [0..3]. Default + // is set to 0 for easier progressive decoding. + int partition_limit; // quality degradation allowed to fit the 512k limit + // on prediction modes coding (0: no degradation, + // 100: maximum possible degradation). + int emulate_jpeg_size; // If true, compression parameters will be remapped + // to better match the expected output size from + // JPEG compression. Generally, the output size will + // be similar but the degradation will be lower. + int thread_level; // If non-zero, try and use multi-threaded encoding. + int low_memory; // If set, reduce memory usage (but increase CPU use). + + int near_lossless; // Near lossless encoding [0 = off(default) .. 100]. + // This feature is experimental. + int exact; // if non-zero, preserve the exact RGB values under + // transparent area. Otherwise, discard this invisible + // RGB information for better compression. The default + // value is 0. + +#ifdef WEBP_EXPERIMENTAL_FEATURES + int delta_palettization; + uint32_t pad[2]; // padding for later use +#else + uint32_t pad[3]; // padding for later use +#endif // WEBP_EXPERIMENTAL_FEATURES +}; + +// Enumerate some predefined settings for WebPConfig, depending on the type +// of source picture. These presets are used when calling WebPConfigPreset(). +typedef enum WebPPreset { + WEBP_PRESET_DEFAULT = 0, // default preset. + WEBP_PRESET_PICTURE, // digital picture, like portrait, inner shot + WEBP_PRESET_PHOTO, // outdoor photograph, with natural lighting + WEBP_PRESET_DRAWING, // hand or line drawing, with high-contrast details + WEBP_PRESET_ICON, // small-sized colorful images + WEBP_PRESET_TEXT // text-like +} WebPPreset; + +// Internal, version-checked, entry point +WEBP_EXTERN(int) WebPConfigInitInternal(WebPConfig*, WebPPreset, float, int); + +// Should always be called, to initialize a fresh WebPConfig structure before +// modification. Returns false in case of version mismatch. WebPConfigInit() +// must have succeeded before using the 'config' object. +// Note that the default values are lossless=0 and quality=75. +static WEBP_INLINE int WebPConfigInit(WebPConfig* config) { + return WebPConfigInitInternal(config, WEBP_PRESET_DEFAULT, 75.f, + WEBP_ENCODER_ABI_VERSION); +} + +// This function will initialize the configuration according to a predefined +// set of parameters (referred to by 'preset') and a given quality factor. +// This function can be called as a replacement to WebPConfigInit(). Will +// return false in case of error. +static WEBP_INLINE int WebPConfigPreset(WebPConfig* config, + WebPPreset preset, float quality) { + return WebPConfigInitInternal(config, preset, quality, + WEBP_ENCODER_ABI_VERSION); +} + +// Activate the lossless compression mode with the desired efficiency level +// between 0 (fastest, lowest compression) and 9 (slower, best compression). +// A good default level is '6', providing a fair tradeoff between compression +// speed and final compressed size. +// This function will overwrite several fields from config: 'method', 'quality' +// and 'lossless'. Returns false in case of parameter error. +WEBP_EXTERN(int) WebPConfigLosslessPreset(WebPConfig* config, int level); + +// Returns true if 'config' is non-NULL and all configuration parameters are +// within their valid ranges. +WEBP_EXTERN(int) WebPValidateConfig(const WebPConfig* config); + +//------------------------------------------------------------------------------ +// Input / Output +// Structure for storing auxiliary statistics (mostly for lossy encoding). + +struct WebPAuxStats { + int coded_size; // final size + + float PSNR[5]; // peak-signal-to-noise ratio for Y/U/V/All/Alpha + int block_count[3]; // number of intra4/intra16/skipped macroblocks + int header_bytes[2]; // approximate number of bytes spent for header + // and mode-partition #0 + int residual_bytes[3][4]; // approximate number of bytes spent for + // DC/AC/uv coefficients for each (0..3) segments. + int segment_size[4]; // number of macroblocks in each segments + int segment_quant[4]; // quantizer values for each segments + int segment_level[4]; // filtering strength for each segments [0..63] + + int alpha_data_size; // size of the transparency data + int layer_data_size; // size of the enhancement layer data + + // lossless encoder statistics + uint32_t lossless_features; // bit0:predictor bit1:cross-color transform + // bit2:subtract-green bit3:color indexing + int histogram_bits; // number of precision bits of histogram + int transform_bits; // precision bits for transform + int cache_bits; // number of bits for color cache lookup + int palette_size; // number of color in palette, if used + int lossless_size; // final lossless size + int lossless_hdr_size; // lossless header (transform, huffman etc) size + int lossless_data_size; // lossless image data size + + uint32_t pad[2]; // padding for later use +}; + +// Signature for output function. Should return true if writing was successful. +// data/data_size is the segment of data to write, and 'picture' is for +// reference (and so one can make use of picture->custom_ptr). +typedef int (*WebPWriterFunction)(const uint8_t* data, size_t data_size, + const WebPPicture* picture); + +// WebPMemoryWrite: a special WebPWriterFunction that writes to memory using +// the following WebPMemoryWriter object (to be set as a custom_ptr). +struct WebPMemoryWriter { + uint8_t* mem; // final buffer (of size 'max_size', larger than 'size'). + size_t size; // final size + size_t max_size; // total capacity + uint32_t pad[1]; // padding for later use +}; + +// The following must be called first before any use. +WEBP_EXTERN(void) WebPMemoryWriterInit(WebPMemoryWriter* writer); + +// The following must be called to deallocate writer->mem memory. The 'writer' +// object itself is not deallocated. +WEBP_EXTERN(void) WebPMemoryWriterClear(WebPMemoryWriter* writer); +// The custom writer to be used with WebPMemoryWriter as custom_ptr. Upon +// completion, writer.mem and writer.size will hold the coded data. +// writer.mem must be freed by calling WebPMemoryWriterClear. +WEBP_EXTERN(int) WebPMemoryWrite(const uint8_t* data, size_t data_size, + const WebPPicture* picture); + +// Progress hook, called from time to time to report progress. It can return +// false to request an abort of the encoding process, or true otherwise if +// everything is OK. +typedef int (*WebPProgressHook)(int percent, const WebPPicture* picture); + +// Color spaces. +typedef enum WebPEncCSP { + // chroma sampling + WEBP_YUV420 = 0, // 4:2:0 + WEBP_YUV420A = 4, // alpha channel variant + WEBP_CSP_UV_MASK = 3, // bit-mask to get the UV sampling factors + WEBP_CSP_ALPHA_BIT = 4 // bit that is set if alpha is present +} WebPEncCSP; + +// Encoding error conditions. +typedef enum WebPEncodingError { + VP8_ENC_OK = 0, + VP8_ENC_ERROR_OUT_OF_MEMORY, // memory error allocating objects + VP8_ENC_ERROR_BITSTREAM_OUT_OF_MEMORY, // memory error while flushing bits + VP8_ENC_ERROR_NULL_PARAMETER, // a pointer parameter is NULL + VP8_ENC_ERROR_INVALID_CONFIGURATION, // configuration is invalid + VP8_ENC_ERROR_BAD_DIMENSION, // picture has invalid width/height + VP8_ENC_ERROR_PARTITION0_OVERFLOW, // partition is bigger than 512k + VP8_ENC_ERROR_PARTITION_OVERFLOW, // partition is bigger than 16M + VP8_ENC_ERROR_BAD_WRITE, // error while flushing bytes + VP8_ENC_ERROR_FILE_TOO_BIG, // file is bigger than 4G + VP8_ENC_ERROR_USER_ABORT, // abort request by user + VP8_ENC_ERROR_LAST // list terminator. always last. +} WebPEncodingError; + +// maximum width/height allowed (inclusive), in pixels +#define WEBP_MAX_DIMENSION 16383 + +// Main exchange structure (input samples, output bytes, statistics) +struct WebPPicture { + // INPUT + ////////////// + // Main flag for encoder selecting between ARGB or YUV input. + // It is recommended to use ARGB input (*argb, argb_stride) for lossless + // compression, and YUV input (*y, *u, *v, etc.) for lossy compression + // since these are the respective native colorspace for these formats. + int use_argb; + + // YUV input (mostly used for input to lossy compression) + WebPEncCSP colorspace; // colorspace: should be YUV420 for now (=Y'CbCr). + int width, height; // dimensions (less or equal to WEBP_MAX_DIMENSION) + uint8_t *y, *u, *v; // pointers to luma/chroma planes. + int y_stride, uv_stride; // luma/chroma strides. + uint8_t* a; // pointer to the alpha plane + int a_stride; // stride of the alpha plane + uint32_t pad1[2]; // padding for later use + + // ARGB input (mostly used for input to lossless compression) + uint32_t* argb; // Pointer to argb (32 bit) plane. + int argb_stride; // This is stride in pixels units, not bytes. + uint32_t pad2[3]; // padding for later use + + // OUTPUT + /////////////// + // Byte-emission hook, to store compressed bytes as they are ready. + WebPWriterFunction writer; // can be NULL + void* custom_ptr; // can be used by the writer. + + // map for extra information (only for lossy compression mode) + int extra_info_type; // 1: intra type, 2: segment, 3: quant + // 4: intra-16 prediction mode, + // 5: chroma prediction mode, + // 6: bit cost, 7: distortion + uint8_t* extra_info; // if not NULL, points to an array of size + // ((width + 15) / 16) * ((height + 15) / 16) that + // will be filled with a macroblock map, depending + // on extra_info_type. + + // STATS AND REPORTS + /////////////////////////// + // Pointer to side statistics (updated only if not NULL) + WebPAuxStats* stats; + + // Error code for the latest error encountered during encoding + WebPEncodingError error_code; + + // If not NULL, report progress during encoding. + WebPProgressHook progress_hook; + + void* user_data; // this field is free to be set to any value and + // used during callbacks (like progress-report e.g.). + + uint32_t pad3[3]; // padding for later use + + // Unused for now + uint8_t *pad4, *pad5; + uint32_t pad6[8]; // padding for later use + + // PRIVATE FIELDS + //////////////////// + void* memory_; // row chunk of memory for yuva planes + void* memory_argb_; // and for argb too. + void* pad7[2]; // padding for later use +}; + +// Internal, version-checked, entry point +WEBP_EXTERN(int) WebPPictureInitInternal(WebPPicture*, int); + +// Should always be called, to initialize the structure. Returns false in case +// of version mismatch. WebPPictureInit() must have succeeded before using the +// 'picture' object. +// Note that, by default, use_argb is false and colorspace is WEBP_YUV420. +static WEBP_INLINE int WebPPictureInit(WebPPicture* picture) { + return WebPPictureInitInternal(picture, WEBP_ENCODER_ABI_VERSION); +} + +//------------------------------------------------------------------------------ +// WebPPicture utils + +// Convenience allocation / deallocation based on picture->width/height: +// Allocate y/u/v buffers as per colorspace/width/height specification. +// Note! This function will free the previous buffer if needed. +// Returns false in case of memory error. +WEBP_EXTERN(int) WebPPictureAlloc(WebPPicture* picture); + +// Release the memory allocated by WebPPictureAlloc() or WebPPictureImport*(). +// Note that this function does _not_ free the memory used by the 'picture' +// object itself. +// Besides memory (which is reclaimed) all other fields of 'picture' are +// preserved. +WEBP_EXTERN(void) WebPPictureFree(WebPPicture* picture); + +// Copy the pixels of *src into *dst, using WebPPictureAlloc. Upon return, *dst +// will fully own the copied pixels (this is not a view). The 'dst' picture need +// not be initialized as its content is overwritten. +// Returns false in case of memory allocation error. +WEBP_EXTERN(int) WebPPictureCopy(const WebPPicture* src, WebPPicture* dst); + +// Compute PSNR, SSIM or LSIM distortion metric between two pictures. Results +// are in dB, stored in result[] in the Y/U/V/Alpha/All or B/G/R/A/All order. +// Returns false in case of error (src and ref don't have same dimension, ...) +// Warning: this function is rather CPU-intensive. +WEBP_EXTERN(int) WebPPictureDistortion( + const WebPPicture* src, const WebPPicture* ref, + int metric_type, // 0 = PSNR, 1 = SSIM, 2 = LSIM + float result[5]); + +// self-crops a picture to the rectangle defined by top/left/width/height. +// Returns false in case of memory allocation error, or if the rectangle is +// outside of the source picture. +// The rectangle for the view is defined by the top-left corner pixel +// coordinates (left, top) as well as its width and height. This rectangle +// must be fully be comprised inside the 'src' source picture. If the source +// picture uses the YUV420 colorspace, the top and left coordinates will be +// snapped to even values. +WEBP_EXTERN(int) WebPPictureCrop(WebPPicture* picture, + int left, int top, int width, int height); + +// Extracts a view from 'src' picture into 'dst'. The rectangle for the view +// is defined by the top-left corner pixel coordinates (left, top) as well +// as its width and height. This rectangle must be fully be comprised inside +// the 'src' source picture. If the source picture uses the YUV420 colorspace, +// the top and left coordinates will be snapped to even values. +// Picture 'src' must out-live 'dst' picture. Self-extraction of view is allowed +// ('src' equal to 'dst') as a mean of fast-cropping (but note that doing so, +// the original dimension will be lost). Picture 'dst' need not be initialized +// with WebPPictureInit() if it is different from 'src', since its content will +// be overwritten. +// Returns false in case of memory allocation error or invalid parameters. +WEBP_EXTERN(int) WebPPictureView(const WebPPicture* src, + int left, int top, int width, int height, + WebPPicture* dst); + +// Returns true if the 'picture' is actually a view and therefore does +// not own the memory for pixels. +WEBP_EXTERN(int) WebPPictureIsView(const WebPPicture* picture); + +// Rescale a picture to new dimension width x height. +// If either 'width' or 'height' (but not both) is 0 the corresponding +// dimension will be calculated preserving the aspect ratio. +// No gamma correction is applied. +// Returns false in case of error (invalid parameter or insufficient memory). +WEBP_EXTERN(int) WebPPictureRescale(WebPPicture* pic, int width, int height); + +// Colorspace conversion function to import RGB samples. +// Previous buffer will be free'd, if any. +// *rgb buffer should have a size of at least height * rgb_stride. +// Returns false in case of memory error. +WEBP_EXTERN(int) WebPPictureImportRGB( + WebPPicture* picture, const uint8_t* rgb, int rgb_stride); +// Same, but for RGBA buffer. +WEBP_EXTERN(int) WebPPictureImportRGBA( + WebPPicture* picture, const uint8_t* rgba, int rgba_stride); +// Same, but for RGBA buffer. Imports the RGB direct from the 32-bit format +// input buffer ignoring the alpha channel. Avoids needing to copy the data +// to a temporary 24-bit RGB buffer to import the RGB only. +WEBP_EXTERN(int) WebPPictureImportRGBX( + WebPPicture* picture, const uint8_t* rgbx, int rgbx_stride); + +// Variants of the above, but taking BGR(A|X) input. +WEBP_EXTERN(int) WebPPictureImportBGR( + WebPPicture* picture, const uint8_t* bgr, int bgr_stride); +WEBP_EXTERN(int) WebPPictureImportBGRA( + WebPPicture* picture, const uint8_t* bgra, int bgra_stride); +WEBP_EXTERN(int) WebPPictureImportBGRX( + WebPPicture* picture, const uint8_t* bgrx, int bgrx_stride); + +// Converts picture->argb data to the YUV420A format. The 'colorspace' +// parameter is deprecated and should be equal to WEBP_YUV420. +// Upon return, picture->use_argb is set to false. The presence of real +// non-opaque transparent values is detected, and 'colorspace' will be +// adjusted accordingly. Note that this method is lossy. +// Returns false in case of error. +WEBP_EXTERN(int) WebPPictureARGBToYUVA(WebPPicture* picture, + WebPEncCSP /*colorspace = WEBP_YUV420*/); + +// Same as WebPPictureARGBToYUVA(), but the conversion is done using +// pseudo-random dithering with a strength 'dithering' between +// 0.0 (no dithering) and 1.0 (maximum dithering). This is useful +// for photographic picture. +WEBP_EXTERN(int) WebPPictureARGBToYUVADithered( + WebPPicture* picture, WebPEncCSP colorspace, float dithering); + +// Performs 'smart' RGBA->YUVA420 downsampling and colorspace conversion. +// Downsampling is handled with extra care in case of color clipping. This +// method is roughly 2x slower than WebPPictureARGBToYUVA() but produces better +// YUV representation. +// Returns false in case of error. +WEBP_EXTERN(int) WebPPictureSmartARGBToYUVA(WebPPicture* picture); + +// Converts picture->yuv to picture->argb and sets picture->use_argb to true. +// The input format must be YUV_420 or YUV_420A. +// Note that the use of this method is discouraged if one has access to the +// raw ARGB samples, since using YUV420 is comparatively lossy. Also, the +// conversion from YUV420 to ARGB incurs a small loss too. +// Returns false in case of error. +WEBP_EXTERN(int) WebPPictureYUVAToARGB(WebPPicture* picture); + +// Helper function: given a width x height plane of RGBA or YUV(A) samples +// clean-up the YUV or RGB samples under fully transparent area, to help +// compressibility (no guarantee, though). +WEBP_EXTERN(void) WebPCleanupTransparentArea(WebPPicture* picture); + +// Scan the picture 'picture' for the presence of non fully opaque alpha values. +// Returns true in such case. Otherwise returns false (indicating that the +// alpha plane can be ignored altogether e.g.). +WEBP_EXTERN(int) WebPPictureHasTransparency(const WebPPicture* picture); + +// Remove the transparency information (if present) by blending the color with +// the background color 'background_rgb' (specified as 24bit RGB triplet). +// After this call, all alpha values are reset to 0xff. +WEBP_EXTERN(void) WebPBlendAlpha(WebPPicture* pic, uint32_t background_rgb); + +//------------------------------------------------------------------------------ +// Main call + +// Main encoding call, after config and picture have been initialized. +// 'picture' must be less than 16384x16384 in dimension (cf WEBP_MAX_DIMENSION), +// and the 'config' object must be a valid one. +// Returns false in case of error, true otherwise. +// In case of error, picture->error_code is updated accordingly. +// 'picture' can hold the source samples in both YUV(A) or ARGB input, depending +// on the value of 'picture->use_argb'. It is highly recommended to use +// the former for lossy encoding, and the latter for lossless encoding +// (when config.lossless is true). Automatic conversion from one format to +// another is provided but they both incur some loss. +WEBP_EXTERN(int) WebPEncode(const WebPConfig* config, WebPPicture* picture); + +//------------------------------------------------------------------------------ + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif /* WEBP_WEBP_ENCODE_H_ */ diff --git a/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/extras.h b/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/extras.h new file mode 100644 index 0000000..1c24be2 --- /dev/null +++ b/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/extras.h @@ -0,0 +1,51 @@ +// Copyright 2015 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// + +#ifndef WEBP_WEBP_EXTRAS_H_ +#define WEBP_WEBP_EXTRAS_H_ + +#include "./types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#include "./encode.h" + +#define WEBP_EXTRAS_ABI_VERSION 0x0000 // MAJOR(8b) + MINOR(8b) + +//------------------------------------------------------------------------------ + +// Returns the version number of the extras library, packed in hexadecimal using +// 8bits for each of major/minor/revision. E.g: v2.5.7 is 0x020507. +WEBP_EXTERN(int) WebPGetExtrasVersion(void); + +//------------------------------------------------------------------------------ +// Ad-hoc colorspace importers. + +// Import luma sample (gray scale image) into 'picture'. The 'picture' +// width and height must be set prior to calling this function. +WEBP_EXTERN(int) WebPImportGray(const uint8_t* gray, WebPPicture* picture); + +// Import rgb sample in RGB565 packed format into 'picture'. The 'picture' +// width and height must be set prior to calling this function. +WEBP_EXTERN(int) WebPImportRGB565(const uint8_t* rgb565, WebPPicture* pic); + +// Import rgb sample in RGB4444 packed format into 'picture'. The 'picture' +// width and height must be set prior to calling this function. +WEBP_EXTERN(int) WebPImportRGB4444(const uint8_t* rgb4444, WebPPicture* pic); + +//------------------------------------------------------------------------------ + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif /* WEBP_WEBP_EXTRAS_H_ */ diff --git a/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/format_constants.h b/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/format_constants.h new file mode 100644 index 0000000..b6e78a6 --- /dev/null +++ b/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/format_constants.h @@ -0,0 +1,88 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Internal header for constants related to WebP file format. +// +// Author: Urvang (urvang@google.com) + +#ifndef WEBP_WEBP_FORMAT_CONSTANTS_H_ +#define WEBP_WEBP_FORMAT_CONSTANTS_H_ + +// Create fourcc of the chunk from the chunk tag characters. +#define MKFOURCC(a, b, c, d) ((a) | (b) << 8 | (c) << 16 | (uint32_t)(d) << 24) + +// VP8 related constants. +#define VP8_SIGNATURE 0x9d012a // Signature in VP8 data. +#define VP8_MAX_PARTITION0_SIZE (1 << 19) // max size of mode partition +#define VP8_MAX_PARTITION_SIZE (1 << 24) // max size for token partition +#define VP8_FRAME_HEADER_SIZE 10 // Size of the frame header within VP8 data. + +// VP8L related constants. +#define VP8L_SIGNATURE_SIZE 1 // VP8L signature size. +#define VP8L_MAGIC_BYTE 0x2f // VP8L signature byte. +#define VP8L_IMAGE_SIZE_BITS 14 // Number of bits used to store + // width and height. +#define VP8L_VERSION_BITS 3 // 3 bits reserved for version. +#define VP8L_VERSION 0 // version 0 +#define VP8L_FRAME_HEADER_SIZE 5 // Size of the VP8L frame header. + +#define MAX_PALETTE_SIZE 256 +#define MAX_CACHE_BITS 11 +#define HUFFMAN_CODES_PER_META_CODE 5 +#define ARGB_BLACK 0xff000000 + +#define DEFAULT_CODE_LENGTH 8 +#define MAX_ALLOWED_CODE_LENGTH 15 + +#define NUM_LITERAL_CODES 256 +#define NUM_LENGTH_CODES 24 +#define NUM_DISTANCE_CODES 40 +#define CODE_LENGTH_CODES 19 + +#define MIN_HUFFMAN_BITS 2 // min number of Huffman bits +#define MAX_HUFFMAN_BITS 9 // max number of Huffman bits + +#define TRANSFORM_PRESENT 1 // The bit to be written when next data + // to be read is a transform. +#define NUM_TRANSFORMS 4 // Maximum number of allowed transform + // in a bitstream. +typedef enum { + PREDICTOR_TRANSFORM = 0, + CROSS_COLOR_TRANSFORM = 1, + SUBTRACT_GREEN = 2, + COLOR_INDEXING_TRANSFORM = 3 +} VP8LImageTransformType; + +// Alpha related constants. +#define ALPHA_HEADER_LEN 1 +#define ALPHA_NO_COMPRESSION 0 +#define ALPHA_LOSSLESS_COMPRESSION 1 +#define ALPHA_PREPROCESSED_LEVELS 1 + +// Mux related constants. +#define TAG_SIZE 4 // Size of a chunk tag (e.g. "VP8L"). +#define CHUNK_SIZE_BYTES 4 // Size needed to store chunk's size. +#define CHUNK_HEADER_SIZE 8 // Size of a chunk header. +#define RIFF_HEADER_SIZE 12 // Size of the RIFF header ("RIFFnnnnWEBP"). +#define ANMF_CHUNK_SIZE 16 // Size of an ANMF chunk. +#define ANIM_CHUNK_SIZE 6 // Size of an ANIM chunk. +#define FRGM_CHUNK_SIZE 6 // Size of a FRGM chunk. +#define VP8X_CHUNK_SIZE 10 // Size of a VP8X chunk. + +#define MAX_CANVAS_SIZE (1 << 24) // 24-bit max for VP8X width/height. +#define MAX_IMAGE_AREA (1ULL << 32) // 32-bit max for width x height. +#define MAX_LOOP_COUNT (1 << 16) // maximum value for loop-count +#define MAX_DURATION (1 << 24) // maximum duration +#define MAX_POSITION_OFFSET (1 << 24) // maximum frame/fragment x/y offset + +// Maximum chunk payload is such that adding the header and padding won't +// overflow a uint32_t. +#define MAX_CHUNK_PAYLOAD (~0U - CHUNK_HEADER_SIZE - 1) + +#endif /* WEBP_WEBP_FORMAT_CONSTANTS_H_ */ diff --git a/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/mux.h b/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/mux.h new file mode 100644 index 0000000..b72658c --- /dev/null +++ b/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/mux.h @@ -0,0 +1,530 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// RIFF container manipulation and encoding for WebP images. +// +// Authors: Urvang (urvang@google.com) +// Vikas (vikasa@google.com) + +#ifndef WEBP_WEBP_MUX_H_ +#define WEBP_WEBP_MUX_H_ + +#include "./mux_types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define WEBP_MUX_ABI_VERSION 0x0106 // MAJOR(8b) + MINOR(8b) + +//------------------------------------------------------------------------------ +// Mux API +// +// This API allows manipulation of WebP container images containing features +// like color profile, metadata, animation and fragmented images. +// +// Code Example#1: Create a WebPMux object with image data, color profile and +// XMP metadata. +/* + int copy_data = 0; + WebPMux* mux = WebPMuxNew(); + // ... (Prepare image data). + WebPMuxSetImage(mux, &image, copy_data); + // ... (Prepare ICCP color profile data). + WebPMuxSetChunk(mux, "ICCP", &icc_profile, copy_data); + // ... (Prepare XMP metadata). + WebPMuxSetChunk(mux, "XMP ", &xmp, copy_data); + // Get data from mux in WebP RIFF format. + WebPMuxAssemble(mux, &output_data); + WebPMuxDelete(mux); + // ... (Consume output_data; e.g. write output_data.bytes to file). + WebPDataClear(&output_data); +*/ + +// Code Example#2: Get image and color profile data from a WebP file. +/* + int copy_data = 0; + // ... (Read data from file). + WebPMux* mux = WebPMuxCreate(&data, copy_data); + WebPMuxGetFrame(mux, 1, &image); + // ... (Consume image; e.g. call WebPDecode() to decode the data). + WebPMuxGetChunk(mux, "ICCP", &icc_profile); + // ... (Consume icc_data). + WebPMuxDelete(mux); + free(data); +*/ + +// Note: forward declaring enumerations is not allowed in (strict) C and C++, +// the types are left here for reference. +// typedef enum WebPMuxError WebPMuxError; +// typedef enum WebPChunkId WebPChunkId; +typedef struct WebPMux WebPMux; // main opaque object. +typedef struct WebPMuxFrameInfo WebPMuxFrameInfo; +typedef struct WebPMuxAnimParams WebPMuxAnimParams; +typedef struct WebPAnimEncoderOptions WebPAnimEncoderOptions; + +// Error codes +typedef enum WebPMuxError { + WEBP_MUX_OK = 1, + WEBP_MUX_NOT_FOUND = 0, + WEBP_MUX_INVALID_ARGUMENT = -1, + WEBP_MUX_BAD_DATA = -2, + WEBP_MUX_MEMORY_ERROR = -3, + WEBP_MUX_NOT_ENOUGH_DATA = -4 +} WebPMuxError; + +// IDs for different types of chunks. +typedef enum WebPChunkId { + WEBP_CHUNK_VP8X, // VP8X + WEBP_CHUNK_ICCP, // ICCP + WEBP_CHUNK_ANIM, // ANIM + WEBP_CHUNK_ANMF, // ANMF + WEBP_CHUNK_FRGM, // FRGM + WEBP_CHUNK_ALPHA, // ALPH + WEBP_CHUNK_IMAGE, // VP8/VP8L + WEBP_CHUNK_EXIF, // EXIF + WEBP_CHUNK_XMP, // XMP + WEBP_CHUNK_UNKNOWN, // Other chunks. + WEBP_CHUNK_NIL +} WebPChunkId; + +//------------------------------------------------------------------------------ + +// Returns the version number of the mux library, packed in hexadecimal using +// 8bits for each of major/minor/revision. E.g: v2.5.7 is 0x020507. +WEBP_EXTERN(int) WebPGetMuxVersion(void); + +//------------------------------------------------------------------------------ +// Life of a Mux object + +// Internal, version-checked, entry point +WEBP_EXTERN(WebPMux*) WebPNewInternal(int); + +// Creates an empty mux object. +// Returns: +// A pointer to the newly created empty mux object. +// Or NULL in case of memory error. +static WEBP_INLINE WebPMux* WebPMuxNew(void) { + return WebPNewInternal(WEBP_MUX_ABI_VERSION); +} + +// Deletes the mux object. +// Parameters: +// mux - (in/out) object to be deleted +WEBP_EXTERN(void) WebPMuxDelete(WebPMux* mux); + +//------------------------------------------------------------------------------ +// Mux creation. + +// Internal, version-checked, entry point +WEBP_EXTERN(WebPMux*) WebPMuxCreateInternal(const WebPData*, int, int); + +// Creates a mux object from raw data given in WebP RIFF format. +// Parameters: +// bitstream - (in) the bitstream data in WebP RIFF format +// copy_data - (in) value 1 indicates given data WILL be copied to the mux +// object and value 0 indicates data will NOT be copied. +// Returns: +// A pointer to the mux object created from given data - on success. +// NULL - In case of invalid data or memory error. +static WEBP_INLINE WebPMux* WebPMuxCreate(const WebPData* bitstream, + int copy_data) { + return WebPMuxCreateInternal(bitstream, copy_data, WEBP_MUX_ABI_VERSION); +} + +//------------------------------------------------------------------------------ +// Non-image chunks. + +// Note: Only non-image related chunks should be managed through chunk APIs. +// (Image related chunks are: "ANMF", "FRGM", "VP8 ", "VP8L" and "ALPH"). +// To add, get and delete images, use WebPMuxSetImage(), WebPMuxPushFrame(), +// WebPMuxGetFrame() and WebPMuxDeleteFrame(). + +// Adds a chunk with id 'fourcc' and data 'chunk_data' in the mux object. +// Any existing chunk(s) with the same id will be removed. +// Parameters: +// mux - (in/out) object to which the chunk is to be added +// fourcc - (in) a character array containing the fourcc of the given chunk; +// e.g., "ICCP", "XMP ", "EXIF" etc. +// chunk_data - (in) the chunk data to be added +// copy_data - (in) value 1 indicates given data WILL be copied to the mux +// object and value 0 indicates data will NOT be copied. +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux, fourcc or chunk_data is NULL +// or if fourcc corresponds to an image chunk. +// WEBP_MUX_MEMORY_ERROR - on memory allocation error. +// WEBP_MUX_OK - on success. +WEBP_EXTERN(WebPMuxError) WebPMuxSetChunk( + WebPMux* mux, const char fourcc[4], const WebPData* chunk_data, + int copy_data); + +// Gets a reference to the data of the chunk with id 'fourcc' in the mux object. +// The caller should NOT free the returned data. +// Parameters: +// mux - (in) object from which the chunk data is to be fetched +// fourcc - (in) a character array containing the fourcc of the chunk; +// e.g., "ICCP", "XMP ", "EXIF" etc. +// chunk_data - (out) returned chunk data +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux, fourcc or chunk_data is NULL +// or if fourcc corresponds to an image chunk. +// WEBP_MUX_NOT_FOUND - If mux does not contain a chunk with the given id. +// WEBP_MUX_OK - on success. +WEBP_EXTERN(WebPMuxError) WebPMuxGetChunk( + const WebPMux* mux, const char fourcc[4], WebPData* chunk_data); + +// Deletes the chunk with the given 'fourcc' from the mux object. +// Parameters: +// mux - (in/out) object from which the chunk is to be deleted +// fourcc - (in) a character array containing the fourcc of the chunk; +// e.g., "ICCP", "XMP ", "EXIF" etc. +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux or fourcc is NULL +// or if fourcc corresponds to an image chunk. +// WEBP_MUX_NOT_FOUND - If mux does not contain a chunk with the given fourcc. +// WEBP_MUX_OK - on success. +WEBP_EXTERN(WebPMuxError) WebPMuxDeleteChunk( + WebPMux* mux, const char fourcc[4]); + +//------------------------------------------------------------------------------ +// Images. + +// Encapsulates data about a single frame/fragment. +struct WebPMuxFrameInfo { + WebPData bitstream; // image data: can be a raw VP8/VP8L bitstream + // or a single-image WebP file. + int x_offset; // x-offset of the frame. + int y_offset; // y-offset of the frame. + int duration; // duration of the frame (in milliseconds). + + WebPChunkId id; // frame type: should be one of WEBP_CHUNK_ANMF, + // WEBP_CHUNK_FRGM or WEBP_CHUNK_IMAGE + WebPMuxAnimDispose dispose_method; // Disposal method for the frame. + WebPMuxAnimBlend blend_method; // Blend operation for the frame. + uint32_t pad[1]; // padding for later use +}; + +// Sets the (non-animated and non-fragmented) image in the mux object. +// Note: Any existing images (including frames/fragments) will be removed. +// Parameters: +// mux - (in/out) object in which the image is to be set +// bitstream - (in) can be a raw VP8/VP8L bitstream or a single-image +// WebP file (non-animated and non-fragmented) +// copy_data - (in) value 1 indicates given data WILL be copied to the mux +// object and value 0 indicates data will NOT be copied. +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux is NULL or bitstream is NULL. +// WEBP_MUX_MEMORY_ERROR - on memory allocation error. +// WEBP_MUX_OK - on success. +WEBP_EXTERN(WebPMuxError) WebPMuxSetImage( + WebPMux* mux, const WebPData* bitstream, int copy_data); + +// Adds a frame at the end of the mux object. +// Notes: (1) frame.id should be one of WEBP_CHUNK_ANMF or WEBP_CHUNK_FRGM +// (2) For setting a non-animated non-fragmented image, use +// WebPMuxSetImage() instead. +// (3) Type of frame being pushed must be same as the frames in mux. +// (4) As WebP only supports even offsets, any odd offset will be snapped +// to an even location using: offset &= ~1 +// Parameters: +// mux - (in/out) object to which the frame is to be added +// frame - (in) frame data. +// copy_data - (in) value 1 indicates given data WILL be copied to the mux +// object and value 0 indicates data will NOT be copied. +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux or frame is NULL +// or if content of 'frame' is invalid. +// WEBP_MUX_MEMORY_ERROR - on memory allocation error. +// WEBP_MUX_OK - on success. +WEBP_EXTERN(WebPMuxError) WebPMuxPushFrame( + WebPMux* mux, const WebPMuxFrameInfo* frame, int copy_data); + +// Gets the nth frame from the mux object. +// The content of 'frame->bitstream' is allocated using malloc(), and NOT +// owned by the 'mux' object. It MUST be deallocated by the caller by calling +// WebPDataClear(). +// nth=0 has a special meaning - last position. +// Parameters: +// mux - (in) object from which the info is to be fetched +// nth - (in) index of the frame in the mux object +// frame - (out) data of the returned frame +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux or frame is NULL. +// WEBP_MUX_NOT_FOUND - if there are less than nth frames in the mux object. +// WEBP_MUX_BAD_DATA - if nth frame chunk in mux is invalid. +// WEBP_MUX_MEMORY_ERROR - on memory allocation error. +// WEBP_MUX_OK - on success. +WEBP_EXTERN(WebPMuxError) WebPMuxGetFrame( + const WebPMux* mux, uint32_t nth, WebPMuxFrameInfo* frame); + +// Deletes a frame from the mux object. +// nth=0 has a special meaning - last position. +// Parameters: +// mux - (in/out) object from which a frame is to be deleted +// nth - (in) The position from which the frame is to be deleted +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux is NULL. +// WEBP_MUX_NOT_FOUND - If there are less than nth frames in the mux object +// before deletion. +// WEBP_MUX_OK - on success. +WEBP_EXTERN(WebPMuxError) WebPMuxDeleteFrame(WebPMux* mux, uint32_t nth); + +//------------------------------------------------------------------------------ +// Animation. + +// Animation parameters. +struct WebPMuxAnimParams { + uint32_t bgcolor; // Background color of the canvas stored (in MSB order) as: + // Bits 00 to 07: Alpha. + // Bits 08 to 15: Red. + // Bits 16 to 23: Green. + // Bits 24 to 31: Blue. + int loop_count; // Number of times to repeat the animation [0 = infinite]. +}; + +// Sets the animation parameters in the mux object. Any existing ANIM chunks +// will be removed. +// Parameters: +// mux - (in/out) object in which ANIM chunk is to be set/added +// params - (in) animation parameters. +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux or params is NULL. +// WEBP_MUX_MEMORY_ERROR - on memory allocation error. +// WEBP_MUX_OK - on success. +WEBP_EXTERN(WebPMuxError) WebPMuxSetAnimationParams( + WebPMux* mux, const WebPMuxAnimParams* params); + +// Gets the animation parameters from the mux object. +// Parameters: +// mux - (in) object from which the animation parameters to be fetched +// params - (out) animation parameters extracted from the ANIM chunk +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux or params is NULL. +// WEBP_MUX_NOT_FOUND - if ANIM chunk is not present in mux object. +// WEBP_MUX_OK - on success. +WEBP_EXTERN(WebPMuxError) WebPMuxGetAnimationParams( + const WebPMux* mux, WebPMuxAnimParams* params); + +//------------------------------------------------------------------------------ +// Misc Utilities. + +// Sets the canvas size for the mux object. The width and height can be +// specified explicitly or left as zero (0, 0). +// * When width and height are specified explicitly, then this frame bound is +// enforced during subsequent calls to WebPMuxAssemble() and an error is +// reported if any animated frame does not completely fit within the canvas. +// * When unspecified (0, 0), the constructed canvas will get the frame bounds +// from the bounding-box over all frames after calling WebPMuxAssemble(). +// Parameters: +// mux - (in) object to which the canvas size is to be set +// width - (in) canvas width +// height - (in) canvas height +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux is NULL; or +// width or height are invalid or out of bounds +// WEBP_MUX_OK - on success. +WEBP_EXTERN(WebPMuxError) WebPMuxSetCanvasSize(WebPMux* mux, + int width, int height); + +// Gets the canvas size from the mux object. +// Note: This method assumes that the VP8X chunk, if present, is up-to-date. +// That is, the mux object hasn't been modified since the last call to +// WebPMuxAssemble() or WebPMuxCreate(). +// Parameters: +// mux - (in) object from which the canvas size is to be fetched +// width - (out) canvas width +// height - (out) canvas height +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux, width or height is NULL. +// WEBP_MUX_BAD_DATA - if VP8X/VP8/VP8L chunk or canvas size is invalid. +// WEBP_MUX_OK - on success. +WEBP_EXTERN(WebPMuxError) WebPMuxGetCanvasSize(const WebPMux* mux, + int* width, int* height); + +// Gets the feature flags from the mux object. +// Note: This method assumes that the VP8X chunk, if present, is up-to-date. +// That is, the mux object hasn't been modified since the last call to +// WebPMuxAssemble() or WebPMuxCreate(). +// Parameters: +// mux - (in) object from which the features are to be fetched +// flags - (out) the flags specifying which features are present in the +// mux object. This will be an OR of various flag values. +// Enum 'WebPFeatureFlags' can be used to test individual flag values. +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux or flags is NULL. +// WEBP_MUX_BAD_DATA - if VP8X/VP8/VP8L chunk or canvas size is invalid. +// WEBP_MUX_OK - on success. +WEBP_EXTERN(WebPMuxError) WebPMuxGetFeatures(const WebPMux* mux, + uint32_t* flags); + +// Gets number of chunks with the given 'id' in the mux object. +// Parameters: +// mux - (in) object from which the info is to be fetched +// id - (in) chunk id specifying the type of chunk +// num_elements - (out) number of chunks with the given chunk id +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux, or num_elements is NULL. +// WEBP_MUX_OK - on success. +WEBP_EXTERN(WebPMuxError) WebPMuxNumChunks(const WebPMux* mux, + WebPChunkId id, int* num_elements); + +// Assembles all chunks in WebP RIFF format and returns in 'assembled_data'. +// This function also validates the mux object. +// Note: The content of 'assembled_data' will be ignored and overwritten. +// Also, the content of 'assembled_data' is allocated using malloc(), and NOT +// owned by the 'mux' object. It MUST be deallocated by the caller by calling +// WebPDataClear(). It's always safe to call WebPDataClear() upon return, +// even in case of error. +// Parameters: +// mux - (in/out) object whose chunks are to be assembled +// assembled_data - (out) assembled WebP data +// Returns: +// WEBP_MUX_BAD_DATA - if mux object is invalid. +// WEBP_MUX_INVALID_ARGUMENT - if mux or assembled_data is NULL. +// WEBP_MUX_MEMORY_ERROR - on memory allocation error. +// WEBP_MUX_OK - on success. +WEBP_EXTERN(WebPMuxError) WebPMuxAssemble(WebPMux* mux, + WebPData* assembled_data); + +//------------------------------------------------------------------------------ +// WebPAnimEncoder API +// +// This API allows encoding (possibly) animated WebP images. +// +// Code Example: +/* + WebPAnimEncoderOptions enc_options; + WebPAnimEncoderOptionsInit(&enc_options); + // Tune 'enc_options' as needed. + WebPAnimEncoder* enc = WebPAnimEncoderNew(width, height, &enc_options); + while() { + WebPConfig config; + WebPConfigInit(&config); + // Tune 'config' as needed. + WebPAnimEncoderAdd(enc, frame, timestamp_ms, &config); + } + WebPAnimEncoderAdd(enc, NULL, timestamp_ms, NULL); + WebPAnimEncoderAssemble(enc, webp_data); + WebPAnimEncoderDelete(enc); + // Write the 'webp_data' to a file, or re-mux it further. +*/ + +typedef struct WebPAnimEncoder WebPAnimEncoder; // Main opaque object. + +// Forward declarations. Defined in encode.h. +struct WebPPicture; +struct WebPConfig; + +// Global options. +struct WebPAnimEncoderOptions { + WebPMuxAnimParams anim_params; // Animation parameters. + int minimize_size; // If true, minimize the output size (slow). Implicitly + // disables key-frame insertion. + int kmin; + int kmax; // Minimum and maximum distance between consecutive key + // frames in the output. The library may insert some key + // frames as needed to satisfy this criteria. + // Note that these conditions should hold: kmax > kmin + // and kmin >= kmax / 2 + 1. Also, if kmin == 0, then + // key-frame insertion is disabled; and if kmax == 0, + // then all frames will be key-frames. + int allow_mixed; // If true, use mixed compression mode; may choose + // either lossy and lossless for each frame. + int verbose; // If true, print info and warning messages to stderr. + + uint32_t padding[4]; // Padding for later use. +}; + +// Internal, version-checked, entry point. +WEBP_EXTERN(int) WebPAnimEncoderOptionsInitInternal( + WebPAnimEncoderOptions*, int); + +// Should always be called, to initialize a fresh WebPAnimEncoderOptions +// structure before modification. Returns false in case of version mismatch. +// WebPAnimEncoderOptionsInit() must have succeeded before using the +// 'enc_options' object. +static WEBP_INLINE int WebPAnimEncoderOptionsInit( + WebPAnimEncoderOptions* enc_options) { + return WebPAnimEncoderOptionsInitInternal(enc_options, WEBP_MUX_ABI_VERSION); +} + +// Internal, version-checked, entry point. +WEBP_EXTERN(WebPAnimEncoder*) WebPAnimEncoderNewInternal( + int, int, const WebPAnimEncoderOptions*, int); + +// Creates and initializes a WebPAnimEncoder object. +// Parameters: +// width/height - (in) canvas width and height of the animation. +// enc_options - (in) encoding options; can be passed NULL to pick +// reasonable defaults. +// Returns: +// A pointer to the newly created WebPAnimEncoder object. +// Or NULL in case of memory error. +static WEBP_INLINE WebPAnimEncoder* WebPAnimEncoderNew( + int width, int height, const WebPAnimEncoderOptions* enc_options) { + return WebPAnimEncoderNewInternal(width, height, enc_options, + WEBP_MUX_ABI_VERSION); +} + +// Optimize the given frame for WebP, encode it and add it to the +// WebPAnimEncoder object. +// The last call to 'WebPAnimEncoderAdd' should be with frame = NULL, which +// indicates that no more frames are to be added. This call is also used to +// determine the duration of the last frame. +// Parameters: +// enc - (in/out) object to which the frame is to be added. +// frame - (in/out) frame data in ARGB or YUV(A) format. If it is in YUV(A) +// format, it will be converted to ARGB, which incurs a small loss. +// timestamp_ms - (in) timestamp of this frame in milliseconds. +// Duration of a frame would be calculated as +// "timestamp of next frame - timestamp of this frame". +// Hence, timestamps should be in non-decreasing order. +// config - (in) encoding options; can be passed NULL to pick +// reasonable defaults. +// Returns: +// On error, returns false and frame->error_code is set appropriately. +// Otherwise, returns true. +WEBP_EXTERN(int) WebPAnimEncoderAdd( + WebPAnimEncoder* enc, struct WebPPicture* frame, int timestamp_ms, + const struct WebPConfig* config); + +// Assemble all frames added so far into a WebP bitstream. +// This call should be preceded by a call to 'WebPAnimEncoderAdd' with +// frame = NULL; if not, the duration of the last frame will be internally +// estimated. +// Parameters: +// enc - (in/out) object from which the frames are to be assembled. +// webp_data - (out) generated WebP bitstream. +// Returns: +// True on success. +WEBP_EXTERN(int) WebPAnimEncoderAssemble(WebPAnimEncoder* enc, + WebPData* webp_data); + +// Get error string corresponding to the most recent call using 'enc'. The +// returned string is owned by 'enc' and is valid only until the next call to +// WebPAnimEncoderAdd() or WebPAnimEncoderAssemble() or WebPAnimEncoderDelete(). +// Parameters: +// enc - (in/out) object from which the error string is to be fetched. +// Returns: +// NULL if 'enc' is NULL. Otherwise, returns the error string if the last call +// to 'enc' had an error, or an empty string if the last call was a success. +WEBP_EXTERN(const char*) WebPAnimEncoderGetError(WebPAnimEncoder* enc); + +// Deletes the WebPAnimEncoder object. +// Parameters: +// enc - (in/out) object to be deleted +WEBP_EXTERN(void) WebPAnimEncoderDelete(WebPAnimEncoder* enc); + +//------------------------------------------------------------------------------ + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif /* WEBP_WEBP_MUX_H_ */ diff --git a/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/mux_types.h b/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/mux_types.h new file mode 100644 index 0000000..c94043a --- /dev/null +++ b/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/mux_types.h @@ -0,0 +1,97 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Data-types common to the mux and demux libraries. +// +// Author: Urvang (urvang@google.com) + +#ifndef WEBP_WEBP_MUX_TYPES_H_ +#define WEBP_WEBP_MUX_TYPES_H_ + +#include // free() +#include // memset() +#include "./types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// Note: forward declaring enumerations is not allowed in (strict) C and C++, +// the types are left here for reference. +// typedef enum WebPFeatureFlags WebPFeatureFlags; +// typedef enum WebPMuxAnimDispose WebPMuxAnimDispose; +// typedef enum WebPMuxAnimBlend WebPMuxAnimBlend; +typedef struct WebPData WebPData; + +// VP8X Feature Flags. +typedef enum WebPFeatureFlags { + FRAGMENTS_FLAG = 0x00000001, + ANIMATION_FLAG = 0x00000002, + XMP_FLAG = 0x00000004, + EXIF_FLAG = 0x00000008, + ALPHA_FLAG = 0x00000010, + ICCP_FLAG = 0x00000020 +} WebPFeatureFlags; + +// Dispose method (animation only). Indicates how the area used by the current +// frame is to be treated before rendering the next frame on the canvas. +typedef enum WebPMuxAnimDispose { + WEBP_MUX_DISPOSE_NONE, // Do not dispose. + WEBP_MUX_DISPOSE_BACKGROUND // Dispose to background color. +} WebPMuxAnimDispose; + +// Blend operation (animation only). Indicates how transparent pixels of the +// current frame are blended with those of the previous canvas. +typedef enum WebPMuxAnimBlend { + WEBP_MUX_BLEND, // Blend. + WEBP_MUX_NO_BLEND // Do not blend. +} WebPMuxAnimBlend; + +// Data type used to describe 'raw' data, e.g., chunk data +// (ICC profile, metadata) and WebP compressed image data. +struct WebPData { + const uint8_t* bytes; + size_t size; +}; + +// Initializes the contents of the 'webp_data' object with default values. +static WEBP_INLINE void WebPDataInit(WebPData* webp_data) { + if (webp_data != NULL) { + memset(webp_data, 0, sizeof(*webp_data)); + } +} + +// Clears the contents of the 'webp_data' object by calling free(). Does not +// deallocate the object itself. +static WEBP_INLINE void WebPDataClear(WebPData* webp_data) { + if (webp_data != NULL) { + free((void*)webp_data->bytes); + WebPDataInit(webp_data); + } +} + +// Allocates necessary storage for 'dst' and copies the contents of 'src'. +// Returns true on success. +static WEBP_INLINE int WebPDataCopy(const WebPData* src, WebPData* dst) { + if (src == NULL || dst == NULL) return 0; + WebPDataInit(dst); + if (src->bytes != NULL && src->size != 0) { + dst->bytes = (uint8_t*)malloc(src->size); + if (dst->bytes == NULL) return 0; + memcpy((void*)dst->bytes, src->bytes, src->size); + dst->size = src->size; + } + return 1; +} + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif /* WEBP_WEBP_MUX_TYPES_H_ */ diff --git a/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/types.h b/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/types.h new file mode 100644 index 0000000..98fff35 --- /dev/null +++ b/ProductApp/Pods/YYImage/Vendor/WebP.framework/Headers/types.h @@ -0,0 +1,52 @@ +// Copyright 2010 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Common types +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_WEBP_TYPES_H_ +#define WEBP_WEBP_TYPES_H_ + +#include // for size_t + +#ifndef _MSC_VER +#include +#if defined(__cplusplus) || !defined(__STRICT_ANSI__) || \ + (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) +#define WEBP_INLINE inline +#else +#define WEBP_INLINE +#endif +#else +typedef signed char int8_t; +typedef unsigned char uint8_t; +typedef signed short int16_t; +typedef unsigned short uint16_t; +typedef signed int int32_t; +typedef unsigned int uint32_t; +typedef unsigned long long int uint64_t; +typedef long long int int64_t; +#define WEBP_INLINE __forceinline +#endif /* _MSC_VER */ + +#ifndef WEBP_EXTERN +// This explicitly marks library functions and allows for changing the +// signature for e.g., Windows DLL builds. +# if defined(__GNUC__) && __GNUC__ >= 4 +# define WEBP_EXTERN(type) extern __attribute__ ((visibility ("default"))) type +# else +# define WEBP_EXTERN(type) extern type +# endif /* __GNUC__ >= 4 */ +#endif /* WEBP_EXTERN */ + +// Macro to check ABI compatibility (same major revision number) +#define WEBP_ABI_IS_INCOMPATIBLE(a, b) (((a) >> 8) != ((b) >> 8)) + +#endif /* WEBP_WEBP_TYPES_H_ */ diff --git a/ProductApp/Pods/YYImage/Vendor/WebP.framework/WebP b/ProductApp/Pods/YYImage/Vendor/WebP.framework/WebP new file mode 100644 index 0000000..5d88df8 Binary files /dev/null and b/ProductApp/Pods/YYImage/Vendor/WebP.framework/WebP differ diff --git a/ProductApp/Pods/YYImage/YYImage/YYAnimatedImageView.h b/ProductApp/Pods/YYImage/YYImage/YYAnimatedImageView.h new file mode 100644 index 0000000..e70a654 --- /dev/null +++ b/ProductApp/Pods/YYImage/YYImage/YYAnimatedImageView.h @@ -0,0 +1,125 @@ +// +// YYAnimatedImageView.h +// YYImage +// +// Created by ibireme on 14/10/19. +// Copyright (c) 2015 ibireme. +// +// This source code is licensed under the MIT-style license found in the +// LICENSE file in the root directory of this source tree. +// + +#import + +NS_ASSUME_NONNULL_BEGIN + +/** + An image view for displaying animated image. + + @discussion It is a fully compatible `UIImageView` subclass. + If the `image` or `highlightedImage` property adopt to the `YYAnimatedImage` protocol, + then it can be used to play the multi-frame animation. The animation can also be + controlled with the UIImageView methods `-startAnimating`, `-stopAnimating` and `-isAnimating`. + + This view request the frame data just in time. When the device has enough free memory, + this view may cache some or all future frames in an inner buffer for lower CPU cost. + Buffer size is dynamically adjusted based on the current state of the device memory. + + Sample Code: + + // ani@3x.gif + YYImage *image = [YYImage imageNamed:@"ani"]; + YYAnimatedImageView *imageView = [YYAnimatedImageView alloc] initWithImage:image]; + [view addSubView:imageView]; + */ +@interface YYAnimatedImageView : UIImageView + +/** + If the image has more than one frame, set this value to `YES` will automatically + play/stop the animation when the view become visible/invisible. + + The default value is `YES`. + */ +@property (nonatomic) BOOL autoPlayAnimatedImage; + +/** + Index of the currently displayed frame (index from 0). + + Set a new value to this property will cause to display the new frame immediately. + If the new value is invalid, this method has no effect. + + You can add an observer to this property to observe the playing status. + */ +@property (nonatomic) NSUInteger currentAnimatedImageIndex; + +/** + Whether the image view is playing animation currently. + + You can add an observer to this property to observe the playing status. + */ +@property (nonatomic, readonly) BOOL currentIsPlayingAnimation; + +/** + The animation timer's runloop mode, default is `NSRunLoopCommonModes`. + + Set this property to `NSDefaultRunLoopMode` will make the animation pause during + UIScrollView scrolling. + */ +@property (nonatomic, copy) NSString *runloopMode; + +/** + The max size (in bytes) for inner frame buffer size, default is 0 (dynamically). + + When the device has enough free memory, this view will request and decode some or + all future frame image into an inner buffer. If this property's value is 0, then + the max buffer size will be dynamically adjusted based on the current state of + the device free memory. Otherwise, the buffer size will be limited by this value. + + When receive memory warning or app enter background, the buffer will be released + immediately, and may grow back at the right time. + */ +@property (nonatomic) NSUInteger maxBufferSize; + +@end + + + +/** + The YYAnimatedImage protocol declares the required methods for animated image + display with YYAnimatedImageView. + + Subclass a UIImage and implement this protocol, so that instances of that class + can be set to YYAnimatedImageView.image or YYAnimatedImageView.highlightedImage + to display animation. + + See `YYImage` and `YYFrameImage` for example. + */ +@protocol YYAnimatedImage +@required +/// Total animated frame count. +/// It the frame count is less than 1, then the methods below will be ignored. +- (NSUInteger)animatedImageFrameCount; + +/// Animation loop count, 0 means infinite looping. +- (NSUInteger)animatedImageLoopCount; + +/// Bytes per frame (in memory). It may used to optimize memory buffer size. +- (NSUInteger)animatedImageBytesPerFrame; + +/// Returns the frame image from a specified index. +/// This method may be called on background thread. +/// @param index Frame index (zero based). +- (nullable UIImage *)animatedImageFrameAtIndex:(NSUInteger)index; + +/// Returns the frames's duration from a specified index. +/// @param index Frame index (zero based). +- (NSTimeInterval)animatedImageDurationAtIndex:(NSUInteger)index; + +@optional +/// A rectangle in image coordinates defining the subrectangle of the image that +/// will be displayed. The rectangle should not outside the image's bounds. +/// It may used to display sprite animation with a single image (sprite sheet). +- (CGRect)animatedImageContentsRectAtIndex:(NSUInteger)index; +@end + +NS_ASSUME_NONNULL_END diff --git a/ProductApp/Pods/YYImage/YYImage/YYAnimatedImageView.m b/ProductApp/Pods/YYImage/YYImage/YYAnimatedImageView.m new file mode 100644 index 0000000..5f2bcb4 --- /dev/null +++ b/ProductApp/Pods/YYImage/YYImage/YYAnimatedImageView.m @@ -0,0 +1,672 @@ +// +// YYAnimatedImageView.m +// YYImage +// +// Created by ibireme on 14/10/19. +// Copyright (c) 2015 ibireme. +// +// This source code is licensed under the MIT-style license found in the +// LICENSE file in the root directory of this source tree. +// + +#import "YYAnimatedImageView.h" +#import "YYImageCoder.h" +#import +#import + + +#define BUFFER_SIZE (10 * 1024 * 1024) // 10MB (minimum memory buffer size) + +#define LOCK(...) dispatch_semaphore_wait(self->_lock, DISPATCH_TIME_FOREVER); \ +__VA_ARGS__; \ +dispatch_semaphore_signal(self->_lock); + +#define LOCK_VIEW(...) dispatch_semaphore_wait(view->_lock, DISPATCH_TIME_FOREVER); \ +__VA_ARGS__; \ +dispatch_semaphore_signal(view->_lock); + + +static int64_t _YYDeviceMemoryTotal() { + int64_t mem = [[NSProcessInfo processInfo] physicalMemory]; + if (mem < -1) mem = -1; + return mem; +} + +static int64_t _YYDeviceMemoryFree() { + mach_port_t host_port = mach_host_self(); + mach_msg_type_number_t host_size = sizeof(vm_statistics_data_t) / sizeof(integer_t); + vm_size_t page_size; + vm_statistics_data_t vm_stat; + kern_return_t kern; + + kern = host_page_size(host_port, &page_size); + if (kern != KERN_SUCCESS) return -1; + kern = host_statistics(host_port, HOST_VM_INFO, (host_info_t)&vm_stat, &host_size); + if (kern != KERN_SUCCESS) return -1; + return vm_stat.free_count * page_size; +} + +/** + A proxy used to hold a weak object. + It can be used to avoid retain cycles, such as the target in NSTimer or CADisplayLink. + */ +@interface _YYImageWeakProxy : NSProxy +@property (nonatomic, weak, readonly) id target; +- (instancetype)initWithTarget:(id)target; ++ (instancetype)proxyWithTarget:(id)target; +@end + +@implementation _YYImageWeakProxy +- (instancetype)initWithTarget:(id)target { + _target = target; + return self; +} ++ (instancetype)proxyWithTarget:(id)target { + return [[_YYImageWeakProxy alloc] initWithTarget:target]; +} +- (id)forwardingTargetForSelector:(SEL)selector { + return _target; +} +- (void)forwardInvocation:(NSInvocation *)invocation { + void *null = NULL; + [invocation setReturnValue:&null]; +} +- (NSMethodSignature *)methodSignatureForSelector:(SEL)selector { + return [NSObject instanceMethodSignatureForSelector:@selector(init)]; +} +- (BOOL)respondsToSelector:(SEL)aSelector { + return [_target respondsToSelector:aSelector]; +} +- (BOOL)isEqual:(id)object { + return [_target isEqual:object]; +} +- (NSUInteger)hash { + return [_target hash]; +} +- (Class)superclass { + return [_target superclass]; +} +- (Class)class { + return [_target class]; +} +- (BOOL)isKindOfClass:(Class)aClass { + return [_target isKindOfClass:aClass]; +} +- (BOOL)isMemberOfClass:(Class)aClass { + return [_target isMemberOfClass:aClass]; +} +- (BOOL)conformsToProtocol:(Protocol *)aProtocol { + return [_target conformsToProtocol:aProtocol]; +} +- (BOOL)isProxy { + return YES; +} +- (NSString *)description { + return [_target description]; +} +- (NSString *)debugDescription { + return [_target debugDescription]; +} +@end + + + + +typedef NS_ENUM(NSUInteger, YYAnimatedImageType) { + YYAnimatedImageTypeNone = 0, + YYAnimatedImageTypeImage, + YYAnimatedImageTypeHighlightedImage, + YYAnimatedImageTypeImages, + YYAnimatedImageTypeHighlightedImages, +}; + +@interface YYAnimatedImageView() { + @package + UIImage *_curAnimatedImage; + + dispatch_once_t _onceToken; + dispatch_semaphore_t _lock; ///< lock for _buffer + NSOperationQueue *_requestQueue; ///< image request queue, serial + + CADisplayLink *_link; ///< ticker for change frame + NSTimeInterval _time; ///< time after last frame + + UIImage *_curFrame; ///< current frame to display + NSUInteger _curIndex; ///< current frame index (from 0) + NSUInteger _totalFrameCount; ///< total frame count + + BOOL _loopEnd; ///< whether the loop is end. + NSUInteger _curLoop; ///< current loop count (from 0) + NSUInteger _totalLoop; ///< total loop count, 0 means infinity + + NSMutableDictionary *_buffer; ///< frame buffer + BOOL _bufferMiss; ///< whether miss frame on last opportunity + NSUInteger _maxBufferCount; ///< maximum buffer count + NSInteger _incrBufferCount; ///< current allowed buffer count (will increase by step) + + CGRect _curContentsRect; + BOOL _curImageHasContentsRect; ///< image has implementated "animatedImageContentsRectAtIndex:" +} +@property (nonatomic, readwrite) BOOL currentIsPlayingAnimation; +- (void)calcMaxBufferCount; +@end + +/// An operation for image fetch +@interface _YYAnimatedImageViewFetchOperation : NSOperation +@property (nonatomic, weak) YYAnimatedImageView *view; +@property (nonatomic, assign) NSUInteger nextIndex; +@property (nonatomic, strong) UIImage *curImage; +@end + +@implementation _YYAnimatedImageViewFetchOperation +- (void)main { + __strong YYAnimatedImageView *view = _view; + if (!view) return; + if ([self isCancelled]) return; + view->_incrBufferCount++; + if (view->_incrBufferCount == 0) [view calcMaxBufferCount]; + if (view->_incrBufferCount > (NSInteger)view->_maxBufferCount) { + view->_incrBufferCount = view->_maxBufferCount; + } + NSUInteger idx = _nextIndex; + NSUInteger max = view->_incrBufferCount < 1 ? 1 : view->_incrBufferCount; + NSUInteger total = view->_totalFrameCount; + view = nil; + + for (int i = 0; i < max; i++, idx++) { + @autoreleasepool { + if (idx >= total) idx = 0; + if ([self isCancelled]) break; + __strong YYAnimatedImageView *view = _view; + if (!view) break; + LOCK_VIEW(BOOL miss = (view->_buffer[@(idx)] == nil)); + + if (miss) { + UIImage *img = [_curImage animatedImageFrameAtIndex:idx]; + img = img.yy_imageByDecoded; + if ([self isCancelled]) break; + LOCK_VIEW(view->_buffer[@(idx)] = img ? img : [NSNull null]); + view = nil; + } + } + } +} +@end + +@implementation YYAnimatedImageView + +- (instancetype)init { + self = [super init]; + _runloopMode = NSRunLoopCommonModes; + _autoPlayAnimatedImage = YES; + return self; +} + +- (instancetype)initWithFrame:(CGRect)frame { + self = [super initWithFrame:frame]; + _runloopMode = NSRunLoopCommonModes; + _autoPlayAnimatedImage = YES; + return self; +} + +- (instancetype)initWithImage:(UIImage *)image { + self = [super init]; + _runloopMode = NSRunLoopCommonModes; + _autoPlayAnimatedImage = YES; + self.frame = (CGRect) {CGPointZero, image.size }; + self.image = image; + return self; +} + +- (instancetype)initWithImage:(UIImage *)image highlightedImage:(UIImage *)highlightedImage { + self = [super init]; + _runloopMode = NSRunLoopCommonModes; + _autoPlayAnimatedImage = YES; + CGSize size = image ? image.size : highlightedImage.size; + self.frame = (CGRect) {CGPointZero, size }; + self.image = image; + self.highlightedImage = highlightedImage; + return self; +} + +// init the animated params. +- (void)resetAnimated { + dispatch_once(&_onceToken, ^{ + _lock = dispatch_semaphore_create(1); + _buffer = [NSMutableDictionary new]; + _requestQueue = [[NSOperationQueue alloc] init]; + _requestQueue.maxConcurrentOperationCount = 1; + _link = [CADisplayLink displayLinkWithTarget:[_YYImageWeakProxy proxyWithTarget:self] selector:@selector(step:)]; + if (_runloopMode) { + [_link addToRunLoop:[NSRunLoop mainRunLoop] forMode:_runloopMode]; + } + _link.paused = YES; + + [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didReceiveMemoryWarning:) name:UIApplicationDidReceiveMemoryWarningNotification object:nil]; + [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didEnterBackground:) name:UIApplicationDidEnterBackgroundNotification object:nil]; + }); + + [_requestQueue cancelAllOperations]; + LOCK( + if (_buffer.count) { + NSMutableDictionary *holder = _buffer; + _buffer = [NSMutableDictionary new]; + dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW, 0), ^{ + // Capture the dictionary to global queue, + // release these images in background to avoid blocking UI thread. + [holder class]; + }); + } + ); + _link.paused = YES; + _time = 0; + if (_curIndex != 0) { + [self willChangeValueForKey:@"currentAnimatedImageIndex"]; + _curIndex = 0; + [self didChangeValueForKey:@"currentAnimatedImageIndex"]; + } + _curAnimatedImage = nil; + _curFrame = nil; + _curLoop = 0; + _totalLoop = 0; + _totalFrameCount = 1; + _loopEnd = NO; + _bufferMiss = NO; + _incrBufferCount = 0; +} + +- (void)setImage:(UIImage *)image { + if (self.image == image) return; + [self setImage:image withType:YYAnimatedImageTypeImage]; +} + +- (void)setHighlightedImage:(UIImage *)highlightedImage { + if (self.highlightedImage == highlightedImage) return; + [self setImage:highlightedImage withType:YYAnimatedImageTypeHighlightedImage]; +} + +- (void)setAnimationImages:(NSArray *)animationImages { + if (self.animationImages == animationImages) return; + [self setImage:animationImages withType:YYAnimatedImageTypeImages]; +} + +- (void)setHighlightedAnimationImages:(NSArray *)highlightedAnimationImages { + if (self.highlightedAnimationImages == highlightedAnimationImages) return; + [self setImage:highlightedAnimationImages withType:YYAnimatedImageTypeHighlightedImages]; +} + +- (void)setHighlighted:(BOOL)highlighted { + [super setHighlighted:highlighted]; + if (_link) [self resetAnimated]; + [self imageChanged]; +} + +- (id)imageForType:(YYAnimatedImageType)type { + switch (type) { + case YYAnimatedImageTypeNone: return nil; + case YYAnimatedImageTypeImage: return self.image; + case YYAnimatedImageTypeHighlightedImage: return self.highlightedImage; + case YYAnimatedImageTypeImages: return self.animationImages; + case YYAnimatedImageTypeHighlightedImages: return self.highlightedAnimationImages; + } + return nil; +} + +- (YYAnimatedImageType)currentImageType { + YYAnimatedImageType curType = YYAnimatedImageTypeNone; + if (self.highlighted) { + if (self.highlightedAnimationImages.count) curType = YYAnimatedImageTypeHighlightedImages; + else if (self.highlightedImage) curType = YYAnimatedImageTypeHighlightedImage; + } + if (curType == YYAnimatedImageTypeNone) { + if (self.animationImages.count) curType = YYAnimatedImageTypeImages; + else if (self.image) curType = YYAnimatedImageTypeImage; + } + return curType; +} + +- (void)setImage:(id)image withType:(YYAnimatedImageType)type { + [self stopAnimating]; + if (_link) [self resetAnimated]; + _curFrame = nil; + switch (type) { + case YYAnimatedImageTypeNone: break; + case YYAnimatedImageTypeImage: super.image = image; break; + case YYAnimatedImageTypeHighlightedImage: super.highlightedImage = image; break; + case YYAnimatedImageTypeImages: super.animationImages = image; break; + case YYAnimatedImageTypeHighlightedImages: super.highlightedAnimationImages = image; break; + } + [self imageChanged]; +} + +- (void)imageChanged { + YYAnimatedImageType newType = [self currentImageType]; + id newVisibleImage = [self imageForType:newType]; + NSUInteger newImageFrameCount = 0; + BOOL hasContentsRect = NO; + if ([newVisibleImage isKindOfClass:[UIImage class]] && + [newVisibleImage conformsToProtocol:@protocol(YYAnimatedImage)]) { + newImageFrameCount = ((UIImage *) newVisibleImage).animatedImageFrameCount; + if (newImageFrameCount > 1) { + hasContentsRect = [((UIImage *) newVisibleImage) respondsToSelector:@selector(animatedImageContentsRectAtIndex:)]; + } + } + if (!hasContentsRect && _curImageHasContentsRect) { + if (!CGRectEqualToRect(self.layer.contentsRect, CGRectMake(0, 0, 1, 1)) ) { + [CATransaction begin]; + [CATransaction setDisableActions:YES]; + self.layer.contentsRect = CGRectMake(0, 0, 1, 1); + [CATransaction commit]; + } + } + _curImageHasContentsRect = hasContentsRect; + if (hasContentsRect) { + CGRect rect = [((UIImage *) newVisibleImage) animatedImageContentsRectAtIndex:0]; + [self setContentsRect:rect forImage:newVisibleImage]; + } + + if (newImageFrameCount > 1) { + [self resetAnimated]; + _curAnimatedImage = newVisibleImage; + _curFrame = newVisibleImage; + _totalLoop = _curAnimatedImage.animatedImageLoopCount; + _totalFrameCount = _curAnimatedImage.animatedImageFrameCount; + [self calcMaxBufferCount]; + } + [self setNeedsDisplay]; + [self didMoved]; +} + +// dynamically adjust buffer size for current memory. +- (void)calcMaxBufferCount { + int64_t bytes = (int64_t)_curAnimatedImage.animatedImageBytesPerFrame; + if (bytes == 0) bytes = 1024; + + int64_t total = _YYDeviceMemoryTotal(); + int64_t free = _YYDeviceMemoryFree(); + int64_t max = MIN(total * 0.2, free * 0.6); + max = MAX(max, BUFFER_SIZE); + if (_maxBufferSize) max = max > _maxBufferSize ? _maxBufferSize : max; + double maxBufferCount = (double)max / (double)bytes; + if (maxBufferCount < 1) maxBufferCount = 1; + else if (maxBufferCount > 512) maxBufferCount = 512; + _maxBufferCount = maxBufferCount; +} + +- (void)dealloc { + [_requestQueue cancelAllOperations]; + [[NSNotificationCenter defaultCenter] removeObserver:self name:UIApplicationDidReceiveMemoryWarningNotification object:nil]; + [[NSNotificationCenter defaultCenter] removeObserver:self name:UIApplicationDidEnterBackgroundNotification object:nil]; + [_link invalidate]; +} + +- (BOOL)isAnimating { + return self.currentIsPlayingAnimation; +} + +- (void)stopAnimating { + [super stopAnimating]; + [_requestQueue cancelAllOperations]; + _link.paused = YES; + self.currentIsPlayingAnimation = NO; +} + +- (void)startAnimating { + YYAnimatedImageType type = [self currentImageType]; + if (type == YYAnimatedImageTypeImages || type == YYAnimatedImageTypeHighlightedImages) { + NSArray *images = [self imageForType:type]; + if (images.count > 0) { + [super startAnimating]; + self.currentIsPlayingAnimation = YES; + } + } else { + if (_curAnimatedImage && _link.paused) { + _curLoop = 0; + _loopEnd = NO; + _link.paused = NO; + self.currentIsPlayingAnimation = YES; + } + } +} + +- (void)didReceiveMemoryWarning:(NSNotification *)notification { + [_requestQueue cancelAllOperations]; + [_requestQueue addOperationWithBlock: ^{ + _incrBufferCount = -60 - (int)(arc4random() % 120); // about 1~3 seconds to grow back.. + NSNumber *next = @((_curIndex + 1) % _totalFrameCount); + LOCK( + NSArray * keys = _buffer.allKeys; + for (NSNumber * key in keys) { + if (![key isEqualToNumber:next]) { // keep the next frame for smoothly animation + [_buffer removeObjectForKey:key]; + } + } + )//LOCK + }]; +} + +- (void)didEnterBackground:(NSNotification *)notification { + [_requestQueue cancelAllOperations]; + NSNumber *next = @((_curIndex + 1) % _totalFrameCount); + LOCK( + NSArray * keys = _buffer.allKeys; + for (NSNumber * key in keys) { + if (![key isEqualToNumber:next]) { // keep the next frame for smoothly animation + [_buffer removeObjectForKey:key]; + } + } + )//LOCK +} + +- (void)step:(CADisplayLink *)link { + UIImage *image = _curAnimatedImage; + NSMutableDictionary *buffer = _buffer; + UIImage *bufferedImage = nil; + NSUInteger nextIndex = (_curIndex + 1) % _totalFrameCount; + BOOL bufferIsFull = NO; + + if (!image) return; + if (_loopEnd) { // view will keep in last frame + [self stopAnimating]; + return; + } + + NSTimeInterval delay = 0; + if (!_bufferMiss) { + _time += link.duration; + delay = [image animatedImageDurationAtIndex:_curIndex]; + if (_time < delay) return; + _time -= delay; + if (nextIndex == 0) { + _curLoop++; + if (_curLoop >= _totalLoop && _totalLoop != 0) { + _loopEnd = YES; + [self stopAnimating]; + [self.layer setNeedsDisplay]; // let system call `displayLayer:` before runloop sleep + return; // stop at last frame + } + } + delay = [image animatedImageDurationAtIndex:nextIndex]; + if (_time > delay) _time = delay; // do not jump over frame + } + LOCK( + bufferedImage = buffer[@(nextIndex)]; + if (bufferedImage) { + if ((int)_incrBufferCount < _totalFrameCount) { + [buffer removeObjectForKey:@(nextIndex)]; + } + [self willChangeValueForKey:@"currentAnimatedImageIndex"]; + _curIndex = nextIndex; + [self didChangeValueForKey:@"currentAnimatedImageIndex"]; + _curFrame = bufferedImage == (id)[NSNull null] ? nil : bufferedImage; + if (_curImageHasContentsRect) { + _curContentsRect = [image animatedImageContentsRectAtIndex:_curIndex]; + [self setContentsRect:_curContentsRect forImage:_curFrame]; + } + nextIndex = (_curIndex + 1) % _totalFrameCount; + _bufferMiss = NO; + if (buffer.count == _totalFrameCount) { + bufferIsFull = YES; + } + } else { + _bufferMiss = YES; + } + )//LOCK + + if (!_bufferMiss) { + [self.layer setNeedsDisplay]; // let system call `displayLayer:` before runloop sleep + } + + if (!bufferIsFull && _requestQueue.operationCount == 0) { // if some work not finished, wait for next opportunity + _YYAnimatedImageViewFetchOperation *operation = [_YYAnimatedImageViewFetchOperation new]; + operation.view = self; + operation.nextIndex = nextIndex; + operation.curImage = image; + [_requestQueue addOperation:operation]; + } +} + +- (void)displayLayer:(CALayer *)layer { + if (_curFrame) { + layer.contents = (__bridge id)_curFrame.CGImage; + } +} + +- (void)setContentsRect:(CGRect)rect forImage:(UIImage *)image{ + CGRect layerRect = CGRectMake(0, 0, 1, 1); + if (image) { + CGSize imageSize = image.size; + if (imageSize.width > 0.01 && imageSize.height > 0.01) { + layerRect.origin.x = rect.origin.x / imageSize.width; + layerRect.origin.y = rect.origin.y / imageSize.height; + layerRect.size.width = rect.size.width / imageSize.width; + layerRect.size.height = rect.size.height / imageSize.height; + layerRect = CGRectIntersection(layerRect, CGRectMake(0, 0, 1, 1)); + if (CGRectIsNull(layerRect) || CGRectIsEmpty(layerRect)) { + layerRect = CGRectMake(0, 0, 1, 1); + } + } + } + [CATransaction begin]; + [CATransaction setDisableActions:YES]; + self.layer.contentsRect = layerRect; + [CATransaction commit]; +} + +- (void)didMoved { + if (self.autoPlayAnimatedImage) { + if(self.superview && self.window) { + [self startAnimating]; + } else { + [self stopAnimating]; + } + } +} + +- (void)didMoveToWindow { + [super didMoveToWindow]; + [self didMoved]; +} + +- (void)didMoveToSuperview { + [super didMoveToSuperview]; + [self didMoved]; +} + +- (void)setCurrentAnimatedImageIndex:(NSUInteger)currentAnimatedImageIndex { + if (!_curAnimatedImage) return; + if (currentAnimatedImageIndex >= _curAnimatedImage.animatedImageFrameCount) return; + if (_curIndex == currentAnimatedImageIndex) return; + + void (^block)() = ^{ + LOCK( + [_requestQueue cancelAllOperations]; + [_buffer removeAllObjects]; + [self willChangeValueForKey:@"currentAnimatedImageIndex"]; + _curIndex = currentAnimatedImageIndex; + [self didChangeValueForKey:@"currentAnimatedImageIndex"]; + _curFrame = [_curAnimatedImage animatedImageFrameAtIndex:_curIndex]; + if (_curImageHasContentsRect) { + _curContentsRect = [_curAnimatedImage animatedImageContentsRectAtIndex:_curIndex]; + } + _time = 0; + _loopEnd = NO; + _bufferMiss = NO; + [self.layer setNeedsDisplay]; + )//LOCK + }; + + if (pthread_main_np()) { + block(); + } else { + dispatch_async(dispatch_get_main_queue(), block); + } +} + +- (NSUInteger)currentAnimatedImageIndex { + return _curIndex; +} + +- (void)setRunloopMode:(NSString *)runloopMode { + if ([_runloopMode isEqual:runloopMode]) return; + if (_link) { + if (_runloopMode) { + [_link removeFromRunLoop:[NSRunLoop mainRunLoop] forMode:_runloopMode]; + } + if (runloopMode.length) { + [_link addToRunLoop:[NSRunLoop mainRunLoop] forMode:runloopMode]; + } + } + _runloopMode = runloopMode.copy; +} + +#pragma mark - Override NSObject(NSKeyValueObservingCustomization) + ++ (BOOL)automaticallyNotifiesObserversForKey:(NSString *)key { + if ([key isEqualToString:@"currentAnimatedImageIndex"]) { + return NO; + } + return [super automaticallyNotifiesObserversForKey:key]; +} + +#pragma mark - NSCoding + +- (instancetype)initWithCoder:(NSCoder *)aDecoder { + self = [super initWithCoder:aDecoder]; + _runloopMode = [aDecoder decodeObjectForKey:@"runloopMode"]; + if (_runloopMode.length == 0) _runloopMode = NSRunLoopCommonModes; + if ([aDecoder containsValueForKey:@"autoPlayAnimatedImage"]) { + _autoPlayAnimatedImage = [aDecoder decodeBoolForKey:@"autoPlayAnimatedImage"]; + } else { + _autoPlayAnimatedImage = YES; + } + + UIImage *image = [aDecoder decodeObjectForKey:@"YYAnimatedImage"]; + UIImage *highlightedImage = [aDecoder decodeObjectForKey:@"YYHighlightedAnimatedImage"]; + if (image) { + self.image = image; + [self setImage:image withType:YYAnimatedImageTypeImage]; + } + if (highlightedImage) { + self.highlightedImage = highlightedImage; + [self setImage:highlightedImage withType:YYAnimatedImageTypeHighlightedImage]; + } + return self; +} + +- (void)encodeWithCoder:(NSCoder *)aCoder { + [super encodeWithCoder:aCoder]; + [aCoder encodeObject:_runloopMode forKey:@"runloopMode"]; + [aCoder encodeBool:_autoPlayAnimatedImage forKey:@"autoPlayAnimatedImage"]; + + BOOL ani, multi; + ani = [self.image conformsToProtocol:@protocol(YYAnimatedImage)]; + multi = (ani && ((UIImage *)self.image).animatedImageFrameCount > 1); + if (multi) [aCoder encodeObject:self.image forKey:@"YYAnimatedImage"]; + + ani = [self.highlightedImage conformsToProtocol:@protocol(YYAnimatedImage)]; + multi = (ani && ((UIImage *)self.highlightedImage).animatedImageFrameCount > 1); + if (multi) [aCoder encodeObject:self.highlightedImage forKey:@"YYHighlightedAnimatedImage"]; +} + +@end diff --git a/ProductApp/Pods/YYImage/YYImage/YYFrameImage.h b/ProductApp/Pods/YYImage/YYImage/YYFrameImage.h new file mode 100644 index 0000000..5795cc5 --- /dev/null +++ b/ProductApp/Pods/YYImage/YYImage/YYFrameImage.h @@ -0,0 +1,109 @@ +// +// YYFrameImage.h +// YYImage +// +// Created by ibireme on 14/12/9. +// Copyright (c) 2015 ibireme. +// +// This source code is licensed under the MIT-style license found in the +// LICENSE file in the root directory of this source tree. +// + +#import + +#if __has_include() +#import +#elif __has_include() +#import +#else +#import "YYAnimatedImageView.h" +#endif + +NS_ASSUME_NONNULL_BEGIN + +/** + An image to display frame-based animation. + + @discussion It is a fully compatible `UIImage` subclass. + It only support system image format such as png and jpeg. + The animation can be played by YYAnimatedImageView. + + Sample Code: + + NSArray *paths = @[@"/ani/frame1.png", @"/ani/frame2.png", @"/ani/frame3.png"]; + NSArray *times = @[@0.1, @0.2, @0.1]; + YYFrameImage *image = [YYFrameImage alloc] initWithImagePaths:paths frameDurations:times repeats:YES]; + YYAnimatedImageView *imageView = [YYAnimatedImageView alloc] initWithImage:image]; + [view addSubView:imageView]; + */ +@interface YYFrameImage : UIImage + +/** + Create a frame animated image from files. + + @param paths An array of NSString objects, contains the full or + partial path to each image file. + e.g. @[@"/ani/1.png",@"/ani/2.png",@"/ani/3.png"] + + @param oneFrameDuration The duration (in seconds) per frame. + + @param loopCount The animation loop count, 0 means infinite. + + @return An initialized YYFrameImage object, or nil when an error occurs. + */ +- (nullable instancetype)initWithImagePaths:(NSArray *)paths + oneFrameDuration:(NSTimeInterval)oneFrameDuration + loopCount:(NSUInteger)loopCount; + +/** + Create a frame animated image from files. + + @param paths An array of NSString objects, contains the full or + partial path to each image file. + e.g. @[@"/ani/frame1.png",@"/ani/frame2.png",@"/ani/frame3.png"] + + @param frameDurations An array of NSNumber objects, contains the duration (in seconds) per frame. + e.g. @[@0.1, @0.2, @0.3]; + + @param loopCount The animation loop count, 0 means infinite. + + @return An initialized YYFrameImage object, or nil when an error occurs. + */ +- (nullable instancetype)initWithImagePaths:(NSArray *)paths + frameDurations:(NSArray *)frameDurations + loopCount:(NSUInteger)loopCount; + +/** + Create a frame animated image from an array of data. + + @param dataArray An array of NSData objects. + + @param oneFrameDuration The duration (in seconds) per frame. + + @param loopCount The animation loop count, 0 means infinite. + + @return An initialized YYFrameImage object, or nil when an error occurs. + */ +- (nullable instancetype)initWithImageDataArray:(NSArray *)dataArray + oneFrameDuration:(NSTimeInterval)oneFrameDuration + loopCount:(NSUInteger)loopCount; + +/** + Create a frame animated image from an array of data. + + @param dataArray An array of NSData objects. + + @param frameDurations An array of NSNumber objects, contains the duration (in seconds) per frame. + e.g. @[@0.1, @0.2, @0.3]; + + @param loopCount The animation loop count, 0 means infinite. + + @return An initialized YYFrameImage object, or nil when an error occurs. + */ +- (nullable instancetype)initWithImageDataArray:(NSArray *)dataArray + frameDurations:(NSArray *)frameDurations + loopCount:(NSUInteger)loopCount; + +@end + +NS_ASSUME_NONNULL_END diff --git a/ProductApp/Pods/YYImage/YYImage/YYFrameImage.m b/ProductApp/Pods/YYImage/YYImage/YYFrameImage.m new file mode 100644 index 0000000..93efe88 --- /dev/null +++ b/ProductApp/Pods/YYImage/YYImage/YYFrameImage.m @@ -0,0 +1,150 @@ +// +// YYFrameImage.m +// YYImage +// +// Created by ibireme on 14/12/9. +// Copyright (c) 2015 ibireme. +// +// This source code is licensed under the MIT-style license found in the +// LICENSE file in the root directory of this source tree. +// + +#import "YYFrameImage.h" +#import "YYImageCoder.h" + + +/** + Return the path scale. + + e.g. + + + + + + + + +
Path Scale
"icon.png" 1
"icon@2x.png" 2
"icon@2.5x.png" 2.5
"icon@2x" 1
"icon@2x..png" 1
"icon@2x.png/" 1
+ */ +static CGFloat _NSStringPathScale(NSString *string) { + if (string.length == 0 || [string hasSuffix:@"/"]) return 1; + NSString *name = string.stringByDeletingPathExtension; + __block CGFloat scale = 1; + + NSRegularExpression *pattern = [NSRegularExpression regularExpressionWithPattern:@"@[0-9]+\\.?[0-9]*x$" options:NSRegularExpressionAnchorsMatchLines error:nil]; + [pattern enumerateMatchesInString:name options:kNilOptions range:NSMakeRange(0, name.length) usingBlock:^(NSTextCheckingResult *result, NSMatchingFlags flags, BOOL *stop) { + if (result.range.location >= 3) { + scale = [string substringWithRange:NSMakeRange(result.range.location + 1, result.range.length - 2)].doubleValue; + } + }]; + + return scale; +} + + + +@implementation YYFrameImage { + NSUInteger _loopCount; + NSUInteger _oneFrameBytes; + NSArray *_imagePaths; + NSArray *_imageDatas; + NSArray *_frameDurations; +} + +- (instancetype)initWithImagePaths:(NSArray *)paths oneFrameDuration:(NSTimeInterval)oneFrameDuration loopCount:(NSUInteger)loopCount { + NSMutableArray *durations = [NSMutableArray new]; + for (int i = 0, max = (int)paths.count; i < max; i++) { + [durations addObject:@(oneFrameDuration)]; + } + return [self initWithImagePaths:paths frameDurations:durations loopCount:loopCount]; +} + +- (instancetype)initWithImagePaths:(NSArray *)paths frameDurations:(NSArray *)frameDurations loopCount:(NSUInteger)loopCount { + if (paths.count == 0) return nil; + if (paths.count != frameDurations.count) return nil; + + NSString *firstPath = paths[0]; + NSData *firstData = [NSData dataWithContentsOfFile:firstPath]; + CGFloat scale = _NSStringPathScale(firstPath); + UIImage *firstCG = [[[UIImage alloc] initWithData:firstData] yy_imageByDecoded]; + self = [self initWithCGImage:firstCG.CGImage scale:scale orientation:UIImageOrientationUp]; + if (!self) return nil; + long frameByte = CGImageGetBytesPerRow(firstCG.CGImage) * CGImageGetHeight(firstCG.CGImage); + _oneFrameBytes = (NSUInteger)frameByte; + _imagePaths = paths.copy; + _frameDurations = frameDurations.copy; + _loopCount = loopCount; + + return self; +} + +- (instancetype)initWithImageDataArray:(NSArray *)dataArray oneFrameDuration:(NSTimeInterval)oneFrameDuration loopCount:(NSUInteger)loopCount { + NSMutableArray *durations = [NSMutableArray new]; + for (int i = 0, max = (int)dataArray.count; i < max; i++) { + [durations addObject:@(oneFrameDuration)]; + } + return [self initWithImageDataArray:dataArray frameDurations:durations loopCount:loopCount]; +} + +- (instancetype)initWithImageDataArray:(NSArray *)dataArray frameDurations:(NSArray *)frameDurations loopCount:(NSUInteger)loopCount { + if (dataArray.count == 0) return nil; + if (dataArray.count != frameDurations.count) return nil; + + NSData *firstData = dataArray[0]; + CGFloat scale = [UIScreen mainScreen].scale; + UIImage *firstCG = [[[UIImage alloc] initWithData:firstData] yy_imageByDecoded]; + self = [self initWithCGImage:firstCG.CGImage scale:scale orientation:UIImageOrientationUp]; + if (!self) return nil; + long frameByte = CGImageGetBytesPerRow(firstCG.CGImage) * CGImageGetHeight(firstCG.CGImage); + _oneFrameBytes = (NSUInteger)frameByte; + _imageDatas = dataArray.copy; + _frameDurations = frameDurations.copy; + _loopCount = loopCount; + + return self; +} + +#pragma mark - YYAnimtedImage + +- (NSUInteger)animatedImageFrameCount { + if (_imagePaths) { + return _imagePaths.count; + } else if (_imageDatas) { + return _imageDatas.count; + } else { + return 1; + } +} + +- (NSUInteger)animatedImageLoopCount { + return _loopCount; +} + +- (NSUInteger)animatedImageBytesPerFrame { + return _oneFrameBytes; +} + +- (UIImage *)animatedImageFrameAtIndex:(NSUInteger)index { + if (_imagePaths) { + if (index >= _imagePaths.count) return nil; + NSString *path = _imagePaths[index]; + CGFloat scale = _NSStringPathScale(path); + NSData *data = [NSData dataWithContentsOfFile:path]; + return [[UIImage imageWithData:data scale:scale] yy_imageByDecoded]; + } else if (_imageDatas) { + if (index >= _imageDatas.count) return nil; + NSData *data = _imageDatas[index]; + return [[UIImage imageWithData:data scale:[UIScreen mainScreen].scale] yy_imageByDecoded]; + } else { + return index == 0 ? self : nil; + } +} + +- (NSTimeInterval)animatedImageDurationAtIndex:(NSUInteger)index { + if (index >= _frameDurations.count) return 0; + NSNumber *num = _frameDurations[index]; + return [num doubleValue]; +} + +@end diff --git a/ProductApp/Pods/YYImage/YYImage/YYImage.h b/ProductApp/Pods/YYImage/YYImage/YYImage.h new file mode 100644 index 0000000..0361026 --- /dev/null +++ b/ProductApp/Pods/YYImage/YYImage/YYImage.h @@ -0,0 +1,92 @@ +// +// YYImage.h +// YYImage +// +// Created by ibireme on 14/10/20. +// Copyright (c) 2015 ibireme. +// +// This source code is licensed under the MIT-style license found in the +// LICENSE file in the root directory of this source tree. +// + +#import + +#if __has_include() +FOUNDATION_EXPORT double YYImageVersionNumber; +FOUNDATION_EXPORT const unsigned char YYImageVersionString[]; +#import +#import +#import +#import +#elif __has_include() +#import +#import +#import +#import +#else +#import "YYFrameImage.h" +#import "YYSpriteSheetImage.h" +#import "YYImageCoder.h" +#import "YYAnimatedImageView.h" +#endif + +NS_ASSUME_NONNULL_BEGIN + + +/** + A YYImage object is a high-level way to display animated image data. + + @discussion It is a fully compatible `UIImage` subclass. It extends the UIImage + to support animated WebP, APNG and GIF format image data decoding. It also + support NSCoding protocol to archive and unarchive multi-frame image data. + + If the image is created from multi-frame image data, and you want to play the + animation, try replace UIImageView with `YYAnimatedImageView`. + + Sample Code: + + // animation@3x.webp + YYImage *image = [YYImage imageNamed:@"animation.webp"]; + YYAnimatedImageView *imageView = [YYAnimatedImageView alloc] initWithImage:image]; + [view addSubView:imageView]; + + */ +@interface YYImage : UIImage + ++ (nullable YYImage *)imageNamed:(NSString *)name; // no cache! ++ (nullable YYImage *)imageWithContentsOfFile:(NSString *)path; ++ (nullable YYImage *)imageWithData:(NSData *)data; ++ (nullable YYImage *)imageWithData:(NSData *)data scale:(CGFloat)scale; + +/** + If the image is created from data or file, then the value indicates the data type. + */ +@property (nonatomic, readonly) YYImageType animatedImageType; + +/** + If the image is created from animated image data (multi-frame GIF/APNG/WebP), + this property stores the original image data. + */ +@property (nullable, nonatomic, readonly) NSData *animatedImageData; + +/** + The total memory usage (in bytes) if all frame images was loaded into memory. + The value is 0 if the image is not created from a multi-frame image data. + */ +@property (nonatomic, readonly) NSUInteger animatedImageMemorySize; + +/** + Preload all frame image to memory. + + @discussion Set this property to `YES` will block the calling thread to decode + all animation frame image to memory, set to `NO` will release the preloaded frames. + If the image is shared by lots of image views (such as emoticon), preload all + frames will reduce the CPU cost. + + See `animatedImageMemorySize` for memory cost. + */ +@property (nonatomic) BOOL preloadAllAnimatedImageFrames; + +@end + +NS_ASSUME_NONNULL_END diff --git a/ProductApp/Pods/YYImage/YYImage/YYImage.m b/ProductApp/Pods/YYImage/YYImage/YYImage.m new file mode 100644 index 0000000..aaea939 --- /dev/null +++ b/ProductApp/Pods/YYImage/YYImage/YYImage.m @@ -0,0 +1,254 @@ +// +// YYImage.m +// YYImage +// +// Created by ibireme on 14/10/20. +// Copyright (c) 2015 ibireme. +// +// This source code is licensed under the MIT-style license found in the +// LICENSE file in the root directory of this source tree. +// + +#import "YYImage.h" + +/** + An array of NSNumber objects, shows the best order for path scale search. + e.g. iPhone3GS:@[@1,@2,@3] iPhone5:@[@2,@3,@1] iPhone6 Plus:@[@3,@2,@1] + */ +static NSArray *_NSBundlePreferredScales() { + static NSArray *scales; + static dispatch_once_t onceToken; + dispatch_once(&onceToken, ^{ + CGFloat screenScale = [UIScreen mainScreen].scale; + if (screenScale <= 1) { + scales = @[@1,@2,@3]; + } else if (screenScale <= 2) { + scales = @[@2,@3,@1]; + } else { + scales = @[@3,@2,@1]; + } + }); + return scales; +} + +/** + Add scale modifier to the file name (without path extension), + From @"name" to @"name@2x". + + e.g. + + + + + + + +
Before After(scale:2)
"icon" "icon@2x"
"icon " "icon @2x"
"icon.top" "icon.top@2x"
"/p/name" "/p/name@2x"
"/path/" "/path/"
+ + @param scale Resource scale. + @return String by add scale modifier, or just return if it's not end with file name. + */ +static NSString *_NSStringByAppendingNameScale(NSString *string, CGFloat scale) { + if (!string) return nil; + if (fabs(scale - 1) <= __FLT_EPSILON__ || string.length == 0 || [string hasSuffix:@"/"]) return string.copy; + return [string stringByAppendingFormat:@"@%@x", @(scale)]; +} + +/** + Return the path scale. + + e.g. + + + + + + + + +
Path Scale
"icon.png" 1
"icon@2x.png" 2
"icon@2.5x.png" 2.5
"icon@2x" 1
"icon@2x..png" 1
"icon@2x.png/" 1
+ */ +static CGFloat _NSStringPathScale(NSString *string) { + if (string.length == 0 || [string hasSuffix:@"/"]) return 1; + NSString *name = string.stringByDeletingPathExtension; + __block CGFloat scale = 1; + + NSRegularExpression *pattern = [NSRegularExpression regularExpressionWithPattern:@"@[0-9]+\\.?[0-9]*x$" options:NSRegularExpressionAnchorsMatchLines error:nil]; + [pattern enumerateMatchesInString:name options:kNilOptions range:NSMakeRange(0, name.length) usingBlock:^(NSTextCheckingResult *result, NSMatchingFlags flags, BOOL *stop) { + if (result.range.location >= 3) { + scale = [string substringWithRange:NSMakeRange(result.range.location + 1, result.range.length - 2)].doubleValue; + } + }]; + + return scale; +} + + +@implementation YYImage { + YYImageDecoder *_decoder; + NSArray *_preloadedFrames; + dispatch_semaphore_t _preloadedLock; + NSUInteger _bytesPerFrame; +} + ++ (YYImage *)imageNamed:(NSString *)name { + if (name.length == 0) return nil; + if ([name hasSuffix:@"/"]) return nil; + + NSString *res = name.stringByDeletingPathExtension; + NSString *ext = name.pathExtension; + NSString *path = nil; + CGFloat scale = 1; + + // If no extension, guess by system supported (same as UIImage). + NSArray *exts = ext.length > 0 ? @[ext] : @[@"", @"png", @"jpeg", @"jpg", @"gif", @"webp", @"apng"]; + NSArray *scales = _NSBundlePreferredScales(); + for (int s = 0; s < scales.count; s++) { + scale = ((NSNumber *)scales[s]).floatValue; + NSString *scaledName = _NSStringByAppendingNameScale(res, scale); + for (NSString *e in exts) { + path = [[NSBundle mainBundle] pathForResource:scaledName ofType:e]; + if (path) break; + } + if (path) break; + } + if (path.length == 0) return nil; + + NSData *data = [NSData dataWithContentsOfFile:path]; + if (data.length == 0) return nil; + + return [[self alloc] initWithData:data scale:scale]; +} + ++ (YYImage *)imageWithContentsOfFile:(NSString *)path { + return [[self alloc] initWithContentsOfFile:path]; +} + ++ (YYImage *)imageWithData:(NSData *)data { + return [[self alloc] initWithData:data]; +} + ++ (YYImage *)imageWithData:(NSData *)data scale:(CGFloat)scale { + return [[self alloc] initWithData:data scale:scale]; +} + +- (instancetype)initWithContentsOfFile:(NSString *)path { + NSData *data = [NSData dataWithContentsOfFile:path]; + return [self initWithData:data scale:_NSStringPathScale(path)]; +} + +- (instancetype)initWithData:(NSData *)data { + return [self initWithData:data scale:1]; +} + +- (instancetype)initWithData:(NSData *)data scale:(CGFloat)scale { + if (data.length == 0) return nil; + if (scale <= 0) scale = [UIScreen mainScreen].scale; + _preloadedLock = dispatch_semaphore_create(1); + @autoreleasepool { + YYImageDecoder *decoder = [YYImageDecoder decoderWithData:data scale:scale]; + YYImageFrame *frame = [decoder frameAtIndex:0 decodeForDisplay:YES]; + UIImage *image = frame.image; + if (!image) return nil; + self = [self initWithCGImage:image.CGImage scale:decoder.scale orientation:image.imageOrientation]; + if (!self) return nil; + _animatedImageType = decoder.type; + if (decoder.frameCount > 1) { + _decoder = decoder; + _bytesPerFrame = CGImageGetBytesPerRow(image.CGImage) * CGImageGetHeight(image.CGImage); + _animatedImageMemorySize = _bytesPerFrame * decoder.frameCount; + } + self.yy_isDecodedForDisplay = YES; + } + return self; +} + +- (NSData *)animatedImageData { + return _decoder.data; +} + +- (void)setPreloadAllAnimatedImageFrames:(BOOL)preloadAllAnimatedImageFrames { + if (_preloadAllAnimatedImageFrames != preloadAllAnimatedImageFrames) { + if (preloadAllAnimatedImageFrames && _decoder.frameCount > 0) { + NSMutableArray *frames = [NSMutableArray new]; + for (NSUInteger i = 0, max = _decoder.frameCount; i < max; i++) { + UIImage *img = [self animatedImageFrameAtIndex:i]; + if (img) { + [frames addObject:img]; + } else { + [frames addObject:[NSNull null]]; + } + } + dispatch_semaphore_wait(_preloadedLock, DISPATCH_TIME_FOREVER); + _preloadedFrames = frames; + dispatch_semaphore_signal(_preloadedLock); + } else { + dispatch_semaphore_wait(_preloadedLock, DISPATCH_TIME_FOREVER); + _preloadedFrames = nil; + dispatch_semaphore_signal(_preloadedLock); + } + } +} + +#pragma mark - protocol NSCoding + +- (instancetype)initWithCoder:(NSCoder *)aDecoder { + NSNumber *scale = [aDecoder decodeObjectForKey:@"YYImageScale"]; + NSData *data = [aDecoder decodeObjectForKey:@"YYImageData"]; + if (data.length) { + self = [self initWithData:data scale:scale.doubleValue]; + } else { + self = [super initWithCoder:aDecoder]; + } + return self; +} + +- (void)encodeWithCoder:(NSCoder *)aCoder { + if (_decoder.data.length) { + [aCoder encodeObject:@(self.scale) forKey:@"YYImageScale"]; + [aCoder encodeObject:_decoder.data forKey:@"YYImageData"]; + } else { + [super encodeWithCoder:aCoder]; // Apple use UIImagePNGRepresentation() to encode UIImage. + } +} + +#pragma mark - protocol YYAnimatedImage + +- (NSUInteger)animatedImageFrameCount { + return _decoder.frameCount; +} + +- (NSUInteger)animatedImageLoopCount { + return _decoder.loopCount; +} + +- (NSUInteger)animatedImageBytesPerFrame { + return _bytesPerFrame; +} + +- (UIImage *)animatedImageFrameAtIndex:(NSUInteger)index { + if (index >= _decoder.frameCount) return nil; + dispatch_semaphore_wait(_preloadedLock, DISPATCH_TIME_FOREVER); + UIImage *image = _preloadedFrames[index]; + dispatch_semaphore_signal(_preloadedLock); + if (image) return image == (id)[NSNull null] ? nil : image; + return [_decoder frameAtIndex:index decodeForDisplay:YES].image; +} + +- (NSTimeInterval)animatedImageDurationAtIndex:(NSUInteger)index { + NSTimeInterval duration = [_decoder frameDurationAtIndex:index]; + + /* + http://opensource.apple.com/source/WebCore/WebCore-7600.1.25/platform/graphics/cg/ImageSourceCG.cpp + Many annoying ads specify a 0 duration to make an image flash as quickly as + possible. We follow Safari and Firefox's behavior and use a duration of 100 ms + for any frames that specify a duration of <= 10 ms. + See and for more information. + + See also: http://nullsleep.tumblr.com/post/16524517190/animated-gif-minimum-frame-delay-browser. + */ + if (duration < 0.011f) return 0.100f; + return duration; +} + +@end diff --git a/ProductApp/Pods/YYImage/YYImage/YYImageCoder.h b/ProductApp/Pods/YYImage/YYImage/YYImageCoder.h new file mode 100644 index 0000000..61a931c --- /dev/null +++ b/ProductApp/Pods/YYImage/YYImage/YYImageCoder.h @@ -0,0 +1,505 @@ +// +// YYImageCoder.h +// YYImage +// +// Created by ibireme on 15/5/13. +// Copyright (c) 2015 ibireme. +// +// This source code is licensed under the MIT-style license found in the +// LICENSE file in the root directory of this source tree. +// + +#import + +NS_ASSUME_NONNULL_BEGIN + +/** + Image file type. + */ +typedef NS_ENUM(NSUInteger, YYImageType) { + YYImageTypeUnknown = 0, ///< unknown + YYImageTypeJPEG, ///< jpeg, jpg + YYImageTypeJPEG2000, ///< jp2 + YYImageTypeTIFF, ///< tiff, tif + YYImageTypeBMP, ///< bmp + YYImageTypeICO, ///< ico + YYImageTypeICNS, ///< icns + YYImageTypeGIF, ///< gif + YYImageTypePNG, ///< png + YYImageTypeWebP, ///< webp + YYImageTypeOther, ///< other image format +}; + + +/** + Dispose method specifies how the area used by the current frame is to be treated + before rendering the next frame on the canvas. + */ +typedef NS_ENUM(NSUInteger, YYImageDisposeMethod) { + + /** + No disposal is done on this frame before rendering the next; the contents + of the canvas are left as is. + */ + YYImageDisposeNone = 0, + + /** + The frame's region of the canvas is to be cleared to fully transparent black + before rendering the next frame. + */ + YYImageDisposeBackground, + + /** + The frame's region of the canvas is to be reverted to the previous contents + before rendering the next frame. + */ + YYImageDisposePrevious, +}; + +/** + Blend operation specifies how transparent pixels of the current frame are + blended with those of the previous canvas. + */ +typedef NS_ENUM(NSUInteger, YYImageBlendOperation) { + + /** + All color components of the frame, including alpha, overwrite the current + contents of the frame's canvas region. + */ + YYImageBlendNone = 0, + + /** + The frame should be composited onto the output buffer based on its alpha. + */ + YYImageBlendOver, +}; + +/** + An image frame object. + */ +@interface YYImageFrame : NSObject +@property (nonatomic) NSUInteger index; ///< Frame index (zero based) +@property (nonatomic) NSUInteger width; ///< Frame width +@property (nonatomic) NSUInteger height; ///< Frame height +@property (nonatomic) NSUInteger offsetX; ///< Frame origin.x in canvas (left-bottom based) +@property (nonatomic) NSUInteger offsetY; ///< Frame origin.y in canvas (left-bottom based) +@property (nonatomic) NSTimeInterval duration; ///< Frame duration in seconds +@property (nonatomic) YYImageDisposeMethod dispose; ///< Frame dispose method. +@property (nonatomic) YYImageBlendOperation blend; ///< Frame blend operation. +@property (nullable, nonatomic, strong) UIImage *image; ///< The image. ++ (instancetype)frameWithImage:(UIImage *)image; +@end + + +#pragma mark - Decoder + +/** + An image decoder to decode image data. + + @discussion This class supports decoding animated WebP, APNG, GIF and system + image format such as PNG, JPG, JP2, BMP, TIFF, PIC, ICNS and ICO. It can be used + to decode complete image data, or to decode incremental image data during image + download. This class is thread-safe. + + Example: + + // Decode single image: + NSData *data = [NSData dataWithContentOfFile:@"/tmp/image.webp"]; + YYImageDecoder *decoder = [YYImageDecoder decoderWithData:data scale:2.0]; + UIImage image = [decoder frameAtIndex:0 decodeForDisplay:YES].image; + + // Decode image during download: + NSMutableData *data = [NSMutableData new]; + YYImageDecoder *decoder = [[YYImageDecoder alloc] initWithScale:2.0]; + while(newDataArrived) { + [data appendData:newData]; + [decoder updateData:data final:NO]; + if (decoder.frameCount > 0) { + UIImage image = [decoder frameAtIndex:0 decodeForDisplay:YES].image; + // progressive display... + } + } + [decoder updateData:data final:YES]; + UIImage image = [decoder frameAtIndex:0 decodeForDisplay:YES].image; + // final display... + + */ +@interface YYImageDecoder : NSObject + +@property (nullable, nonatomic, readonly) NSData *data; ///< Image data. +@property (nonatomic, readonly) YYImageType type; ///< Image data type. +@property (nonatomic, readonly) CGFloat scale; ///< Image scale. +@property (nonatomic, readonly) NSUInteger frameCount; ///< Image frame count. +@property (nonatomic, readonly) NSUInteger loopCount; ///< Image loop count, 0 means infinite. +@property (nonatomic, readonly) NSUInteger width; ///< Image canvas width. +@property (nonatomic, readonly) NSUInteger height; ///< Image canvas height. +@property (nonatomic, readonly, getter=isFinalized) BOOL finalized; + +/** + Creates an image decoder. + + @param scale Image's scale. + @return An image decoder. + */ +- (instancetype)initWithScale:(CGFloat)scale NS_DESIGNATED_INITIALIZER; + +/** + Updates the incremental image with new data. + + @discussion You can use this method to decode progressive/interlaced/baseline + image when you do not have the complete image data. The `data` was retained by + decoder, you should not modify the data in other thread during decoding. + + @param data The data to add to the image decoder. Each time you call this + function, the 'data' parameter must contain all of the image file data + accumulated so far. + + @param final A value that specifies whether the data is the final set. + Pass YES if it is, NO otherwise. When the data is already finalized, you can + not update the data anymore. + + @return Whether succeed. + */ +- (BOOL)updateData:(nullable NSData *)data final:(BOOL)final; + +/** + Convenience method to create a decoder with specified data. + @param data Image data. + @param scale Image's scale. + @return A new decoder, or nil if an error occurs. + */ ++ (nullable instancetype)decoderWithData:(NSData *)data scale:(CGFloat)scale; + +/** + Decodes and returns a frame from a specified index. + @param index Frame image index (zero-based). + @param decodeForDisplay Whether decode the image to memory bitmap for display. + If NO, it will try to returns the original frame data without blend. + @return A new frame with image, or nil if an error occurs. + */ +- (nullable YYImageFrame *)frameAtIndex:(NSUInteger)index decodeForDisplay:(BOOL)decodeForDisplay; + +/** + Returns the frame duration from a specified index. + @param index Frame image (zero-based). + @return Duration in seconds. + */ +- (NSTimeInterval)frameDurationAtIndex:(NSUInteger)index; + +/** + Returns the frame's properties. See "CGImageProperties.h" in ImageIO.framework + for more information. + + @param index Frame image index (zero-based). + @return The ImageIO frame property. + */ +- (nullable NSDictionary *)framePropertiesAtIndex:(NSUInteger)index; + +/** + Returns the image's properties. See "CGImageProperties.h" in ImageIO.framework + for more information. + */ +- (nullable NSDictionary *)imageProperties; + +@end + + + +#pragma mark - Encoder + +/** + An image encoder to encode image to data. + + @discussion It supports encoding single frame image with the type defined in YYImageType. + It also supports encoding multi-frame image with GIF, APNG and WebP. + + Example: + + YYImageEncoder *jpegEncoder = [[YYImageEncoder alloc] initWithType:YYImageTypeJPEG]; + jpegEncoder.quality = 0.9; + [jpegEncoder addImage:image duration:0]; + NSData jpegData = [jpegEncoder encode]; + + YYImageEncoder *gifEncoder = [[YYImageEncoder alloc] initWithType:YYImageTypeGIF]; + gifEncoder.loopCount = 5; + [gifEncoder addImage:image0 duration:0.1]; + [gifEncoder addImage:image1 duration:0.15]; + [gifEncoder addImage:image2 duration:0.2]; + NSData gifData = [gifEncoder encode]; + + @warning It just pack the images together when encoding multi-frame image. If you + want to reduce the image file size, try imagemagick/ffmpeg for GIF and WebP, + and apngasm for APNG. + */ +@interface YYImageEncoder : NSObject + +@property (nonatomic, readonly) YYImageType type; ///< Image type. +@property (nonatomic) NSUInteger loopCount; ///< Loop count, 0 means infinit, only available for GIF/APNG/WebP. +@property (nonatomic) BOOL lossless; ///< Lossless, only available for WebP. +@property (nonatomic) CGFloat quality; ///< Compress quality, 0.0~1.0, only available for JPG/JP2/WebP. + +- (instancetype)init UNAVAILABLE_ATTRIBUTE; ++ (instancetype)new UNAVAILABLE_ATTRIBUTE; + +/** + Create an image encoder with a specified type. + @param type Image type. + @return A new encoder, or nil if an error occurs. + */ +- (nullable instancetype)initWithType:(YYImageType)type NS_DESIGNATED_INITIALIZER; + +/** + Add an image to encoder. + @param image Image. + @param duration Image duration for animation. Pass 0 to ignore this parameter. + */ +- (void)addImage:(UIImage *)image duration:(NSTimeInterval)duration; + +/** + Add an image with image data to encoder. + @param data Image data. + @param duration Image duration for animation. Pass 0 to ignore this parameter. + */ +- (void)addImageWithData:(NSData *)data duration:(NSTimeInterval)duration; + +/** + Add an image from a file path to encoder. + @param image Image file path. + @param duration Image duration for animation. Pass 0 to ignore this parameter. + */ +- (void)addImageWithFile:(NSString *)path duration:(NSTimeInterval)duration; + +/** + Encodes the image and returns the image data. + @return The image data, or nil if an error occurs. + */ +- (nullable NSData *)encode; + +/** + Encodes the image to a file. + @param path The file path (overwrite if exist). + @return Whether succeed. + */ +- (BOOL)encodeToFile:(NSString *)path; + +/** + Convenience method to encode single frame image. + @param image The image. + @param type The destination image type. + @param quality Image quality, 0.0~1.0. + @return The image data, or nil if an error occurs. + */ ++ (nullable NSData *)encodeImage:(UIImage *)image type:(YYImageType)type quality:(CGFloat)quality; + +/** + Convenience method to encode image from a decoder. + @param decoder The image decoder. + @param type The destination image type; + @param quality Image quality, 0.0~1.0. + @return The image data, or nil if an error occurs. + */ ++ (nullable NSData *)encodeImageWithDecoder:(YYImageDecoder *)decoder type:(YYImageType)type quality:(CGFloat)quality; + +@end + + +#pragma mark - UIImage + +@interface UIImage (YYImageCoder) + +/** + Decompress this image to bitmap, so when the image is displayed on screen, + the main thread won't be blocked by additional decode. If the image has already + been decoded or unable to decode, it just returns itself. + + @return an image decoded, or just return itself if no needed. + @see yy_isDecodedForDisplay + */ +- (instancetype)yy_imageByDecoded; + +/** + Wherher the image can be display on screen without additional decoding. + @warning It just a hint for your code, change it has no other effect. + */ +@property (nonatomic) BOOL yy_isDecodedForDisplay; + +/** + Saves this image to iOS Photos Album. + + @discussion This method attempts to save the original data to album if the + image is created from an animated GIF/APNG, otherwise, it will save the image + as JPEG or PNG (based on the alpha information). + + @param completionBlock The block invoked (in main thread) after the save operation completes. + assetURL: An URL that identifies the saved image file. If the image is not saved, assetURL is nil. + error: If the image is not saved, an error object that describes the reason for failure, otherwise nil. + */ +- (void)yy_saveToAlbumWithCompletionBlock:(nullable void(^)(NSURL * _Nullable assetURL, NSError * _Nullable error))completionBlock; + +/** + Return a 'best' data representation for this image. + + @discussion The convertion based on these rule: + 1. If the image is created from an animated GIF/APNG/WebP, it returns the original data. + 2. It returns PNG or JPEG(0.9) representation based on the alpha information. + + @return Image data, or nil if an error occurs. + */ +- (nullable NSData *)yy_imageDataRepresentation; + +@end + + + +#pragma mark - Helper + +/// Detect a data's image type by reading the data's header 16 bytes (very fast). +CG_EXTERN YYImageType YYImageDetectType(CFDataRef data); + +/// Convert YYImageType to UTI (such as kUTTypeJPEG). +CG_EXTERN CFStringRef _Nullable YYImageTypeToUTType(YYImageType type); + +/// Convert UTI (such as kUTTypeJPEG) to YYImageType. +CG_EXTERN YYImageType YYImageTypeFromUTType(CFStringRef uti); + +/// Get image type's file extension (such as @"jpg"). +CG_EXTERN NSString *_Nullable YYImageTypeGetExtension(YYImageType type); + + + +/// Returns the shared DeviceRGB color space. +CG_EXTERN CGColorSpaceRef YYCGColorSpaceGetDeviceRGB(); + +/// Returns the shared DeviceGray color space. +CG_EXTERN CGColorSpaceRef YYCGColorSpaceGetDeviceGray(); + +/// Returns whether a color space is DeviceRGB. +CG_EXTERN BOOL YYCGColorSpaceIsDeviceRGB(CGColorSpaceRef space); + +/// Returns whether a color space is DeviceGray. +CG_EXTERN BOOL YYCGColorSpaceIsDeviceGray(CGColorSpaceRef space); + + + +/// Convert EXIF orientation value to UIImageOrientation. +CG_EXTERN UIImageOrientation YYUIImageOrientationFromEXIFValue(NSInteger value); + +/// Convert UIImageOrientation to EXIF orientation value. +CG_EXTERN NSInteger YYUIImageOrientationToEXIFValue(UIImageOrientation orientation); + + + +/** + Create a decoded image. + + @discussion If the source image is created from a compressed image data (such as + PNG or JPEG), you can use this method to decode the image. After decoded, you can + access the decoded bytes with CGImageGetDataProvider() and CGDataProviderCopyData() + without additional decode process. If the image has already decoded, this method + just copy the decoded bytes to the new image. + + @param imageRef The source image. + @param decodeForDisplay If YES, this method will decode the image and convert + it to BGRA8888 (premultiplied) or BGRX8888 format for CALayer display. + + @return A decoded image, or NULL if an error occurs. + */ +CG_EXTERN CGImageRef _Nullable YYCGImageCreateDecodedCopy(CGImageRef imageRef, BOOL decodeForDisplay); + +/** + Create an image copy with an orientation. + + @param imageRef Source image + @param orientation Image orientation which will applied to the image. + @param destBitmapInfo Destimation image bitmap, only support 32bit format (such as ARGB8888). + @return A new image, or NULL if an error occurs. + */ +CG_EXTERN CGImageRef _Nullable YYCGImageCreateCopyWithOrientation(CGImageRef imageRef, + UIImageOrientation orientation, + CGBitmapInfo destBitmapInfo); + +/** + Create an image copy with CGAffineTransform. + + @param imageRef Source image. + @param transform Transform applied to image (left-bottom based coordinate system). + @param destSize Destination image size + @param destBitmapInfo Destimation image bitmap, only support 32bit format (such as ARGB8888). + @return A new image, or NULL if an error occurs. + */ +CG_EXTERN CGImageRef _Nullable YYCGImageCreateAffineTransformCopy(CGImageRef imageRef, + CGAffineTransform transform, + CGSize destSize, + CGBitmapInfo destBitmapInfo); + +/** + Encode an image to data with CGImageDestination. + + @param imageRef The image. + @param type The image destination data type. + @param quality The quality (0.0~1.0) + @return A new image data, or nil if an error occurs. + */ +CG_EXTERN CFDataRef _Nullable YYCGImageCreateEncodedData(CGImageRef imageRef, YYImageType type, CGFloat quality); + + +/** + Whether WebP is available in YYImage. + */ +CG_EXTERN BOOL YYImageWebPAvailable(); + +/** + Get a webp image frame count; + + @param webpData WebP data. + @return Image frame count, or 0 if an error occurs. + */ +CG_EXTERN NSUInteger YYImageGetWebPFrameCount(CFDataRef webpData); + +/** + Decode an image from WebP data, returns NULL if an error occurs. + + @param webpData The WebP data. + @param decodeForDisplay If YES, this method will decode the image and convert it + to BGRA8888 (premultiplied) format for CALayer display. + @param useThreads YES to enable multi-thread decode. + (speed up, but cost more CPU) + @param bypassFiltering YES to skip the in-loop filtering. + (speed up, but may lose some smooth) + @param noFancyUpsampling YES to use faster pointwise upsampler. + (speed down, and may lose some details). + @return The decoded image, or NULL if an error occurs. + */ +CG_EXTERN CGImageRef _Nullable YYCGImageCreateWithWebPData(CFDataRef webpData, + BOOL decodeForDisplay, + BOOL useThreads, + BOOL bypassFiltering, + BOOL noFancyUpsampling); + +typedef NS_ENUM(NSUInteger, YYImagePreset) { + YYImagePresetDefault = 0, ///< default preset. + YYImagePresetPicture, ///< digital picture, like portrait, inner shot + YYImagePresetPhoto, ///< outdoor photograph, with natural lighting + YYImagePresetDrawing, ///< hand or line drawing, with high-contrast details + YYImagePresetIcon, ///< small-sized colorful images + YYImagePresetText ///< text-like +}; + +/** + Encode a CGImage to WebP data + + @param imageRef image + @param lossless YES=lossless (similar to PNG), NO=lossy (similar to JPEG) + @param quality 0.0~1.0 (0=smallest file, 1.0=biggest file) + For lossless image, try the value near 1.0; for lossy, try the value near 0.8. + @param compressLevel 0~6 (0=fast, 6=slower-better). Default is 4. + @param preset Preset for different image type, default is YYImagePresetDefault. + @return WebP data, or nil if an error occurs. + */ +CG_EXTERN CFDataRef _Nullable YYCGImageCreateEncodedWebPData(CGImageRef imageRef, + BOOL lossless, + CGFloat quality, + int compressLevel, + YYImagePreset preset); + +NS_ASSUME_NONNULL_END diff --git a/ProductApp/Pods/YYImage/YYImage/YYImageCoder.m b/ProductApp/Pods/YYImage/YYImage/YYImageCoder.m new file mode 100644 index 0000000..66cf46e --- /dev/null +++ b/ProductApp/Pods/YYImage/YYImage/YYImageCoder.m @@ -0,0 +1,2870 @@ +// +// YYImageCoder.m +// YYImage +// +// Created by ibireme on 15/5/13. +// Copyright (c) 2015 ibireme. +// +// This source code is licensed under the MIT-style license found in the +// LICENSE file in the root directory of this source tree. +// + +#import "YYImageCoder.h" +#import "YYImage.h" +#import +#import +#import +#import +#import +#import +#import +#import +#import + + + +#ifndef YYIMAGE_WEBP_ENABLED +#if __has_include() && __has_include() && \ + __has_include() && __has_include() +#define YYIMAGE_WEBP_ENABLED 1 +#import +#import +#import +#import +#elif __has_include("webp/decode.h") && __has_include("webp/encode.h") && \ + __has_include("webp/demux.h") && __has_include("webp/mux.h") +#define YYIMAGE_WEBP_ENABLED 1 +#import "webp/decode.h" +#import "webp/encode.h" +#import "webp/demux.h" +#import "webp/mux.h" +#else +#define YYIMAGE_WEBP_ENABLED 0 +#endif +#endif + + + + + +//////////////////////////////////////////////////////////////////////////////// +#pragma mark - Utility (for little endian platform) + +#define YY_FOUR_CC(c1,c2,c3,c4) ((uint32_t)(((c4) << 24) | ((c3) << 16) | ((c2) << 8) | (c1))) +#define YY_TWO_CC(c1,c2) ((uint16_t)(((c2) << 8) | (c1))) + +static inline uint16_t yy_swap_endian_uint16(uint16_t value) { + return + (uint16_t) ((value & 0x00FF) << 8) | + (uint16_t) ((value & 0xFF00) >> 8) ; +} + +static inline uint32_t yy_swap_endian_uint32(uint32_t value) { + return + (uint32_t)((value & 0x000000FFU) << 24) | + (uint32_t)((value & 0x0000FF00U) << 8) | + (uint32_t)((value & 0x00FF0000U) >> 8) | + (uint32_t)((value & 0xFF000000U) >> 24) ; +} + +//////////////////////////////////////////////////////////////////////////////// +#pragma mark - APNG + +/* + PNG spec: http://www.libpng.org/pub/png/spec/1.2/PNG-Structure.html + APNG spec: https://wiki.mozilla.org/APNG_Specification + + =============================================================================== + PNG format: + header (8): 89 50 4e 47 0d 0a 1a 0a + chunk, chunk, chunk, ... + + =============================================================================== + chunk format: + length (4): uint32_t big endian + fourcc (4): chunk type code + data (length): data + crc32 (4): uint32_t big endian crc32(fourcc + data) + + =============================================================================== + PNG chunk define: + + IHDR (Image Header) required, must appear first, 13 bytes + width (4) pixel count, should not be zero + height (4) pixel count, should not be zero + bit depth (1) expected: 1, 2, 4, 8, 16 + color type (1) 1<<0 (palette used), 1<<1 (color used), 1<<2 (alpha channel used) + compression method (1) 0 (deflate/inflate) + filter method (1) 0 (adaptive filtering with five basic filter types) + interlace method (1) 0 (no interlace) or 1 (Adam7 interlace) + + IDAT (Image Data) required, must appear consecutively if there's multiple 'IDAT' chunk + + IEND (End) required, must appear last, 0 bytes + + =============================================================================== + APNG chunk define: + + acTL (Animation Control) required, must appear before 'IDAT', 8 bytes + num frames (4) number of frames + num plays (4) number of times to loop, 0 indicates infinite looping + + fcTL (Frame Control) required, must appear before the 'IDAT' or 'fdAT' chunks of the frame to which it applies, 26 bytes + sequence number (4) sequence number of the animation chunk, starting from 0 + width (4) width of the following frame + height (4) height of the following frame + x offset (4) x position at which to render the following frame + y offset (4) y position at which to render the following frame + delay num (2) frame delay fraction numerator + delay den (2) frame delay fraction denominator + dispose op (1) type of frame area disposal to be done after rendering this frame (0:none, 1:background 2:previous) + blend op (1) type of frame area rendering for this frame (0:source, 1:over) + + fdAT (Frame Data) required + sequence number (4) sequence number of the animation chunk + frame data (x) frame data for this frame (same as 'IDAT') + + =============================================================================== + `dispose_op` specifies how the output buffer should be changed at the end of the delay + (before rendering the next frame). + + * NONE: no disposal is done on this frame before rendering the next; the contents + of the output buffer are left as is. + * BACKGROUND: the frame's region of the output buffer is to be cleared to fully + transparent black before rendering the next frame. + * PREVIOUS: the frame's region of the output buffer is to be reverted to the previous + contents before rendering the next frame. + + `blend_op` specifies whether the frame is to be alpha blended into the current output buffer + content, or whether it should completely replace its region in the output buffer. + + * SOURCE: all color components of the frame, including alpha, overwrite the current contents + of the frame's output buffer region. + * OVER: the frame should be composited onto the output buffer based on its alpha, + using a simple OVER operation as described in the "Alpha Channel Processing" section + of the PNG specification + */ + +typedef enum { + YY_PNG_ALPHA_TYPE_PALEETE = 1 << 0, + YY_PNG_ALPHA_TYPE_COLOR = 1 << 1, + YY_PNG_ALPHA_TYPE_ALPHA = 1 << 2, +} yy_png_alpha_type; + +typedef enum { + YY_PNG_DISPOSE_OP_NONE = 0, + YY_PNG_DISPOSE_OP_BACKGROUND = 1, + YY_PNG_DISPOSE_OP_PREVIOUS = 2, +} yy_png_dispose_op; + +typedef enum { + YY_PNG_BLEND_OP_SOURCE = 0, + YY_PNG_BLEND_OP_OVER = 1, +} yy_png_blend_op; + +typedef struct { + uint32_t width; ///< pixel count, should not be zero + uint32_t height; ///< pixel count, should not be zero + uint8_t bit_depth; ///< expected: 1, 2, 4, 8, 16 + uint8_t color_type; ///< see yy_png_alpha_type + uint8_t compression_method; ///< 0 (deflate/inflate) + uint8_t filter_method; ///< 0 (adaptive filtering with five basic filter types) + uint8_t interlace_method; ///< 0 (no interlace) or 1 (Adam7 interlace) +} yy_png_chunk_IHDR; + +typedef struct { + uint32_t sequence_number; ///< sequence number of the animation chunk, starting from 0 + uint32_t width; ///< width of the following frame + uint32_t height; ///< height of the following frame + uint32_t x_offset; ///< x position at which to render the following frame + uint32_t y_offset; ///< y position at which to render the following frame + uint16_t delay_num; ///< frame delay fraction numerator + uint16_t delay_den; ///< frame delay fraction denominator + uint8_t dispose_op; ///< see yy_png_dispose_op + uint8_t blend_op; ///< see yy_png_blend_op +} yy_png_chunk_fcTL; + +typedef struct { + uint32_t offset; ///< chunk offset in PNG data + uint32_t fourcc; ///< chunk fourcc + uint32_t length; ///< chunk data length + uint32_t crc32; ///< chunk crc32 +} yy_png_chunk_info; + +typedef struct { + uint32_t chunk_index; ///< the first `fdAT`/`IDAT` chunk index + uint32_t chunk_num; ///< the `fdAT`/`IDAT` chunk count + uint32_t chunk_size; ///< the `fdAT`/`IDAT` chunk bytes + yy_png_chunk_fcTL frame_control; +} yy_png_frame_info; + +typedef struct { + yy_png_chunk_IHDR header; ///< png header + yy_png_chunk_info *chunks; ///< chunks + uint32_t chunk_num; ///< count of chunks + + yy_png_frame_info *apng_frames; ///< frame info, NULL if not apng + uint32_t apng_frame_num; ///< 0 if not apng + uint32_t apng_loop_num; ///< 0 indicates infinite looping + + uint32_t *apng_shared_chunk_indexs; ///< shared chunk index + uint32_t apng_shared_chunk_num; ///< shared chunk count + uint32_t apng_shared_chunk_size; ///< shared chunk bytes + uint32_t apng_shared_insert_index; ///< shared chunk insert index + bool apng_first_frame_is_cover; ///< the first frame is same as png (cover) +} yy_png_info; + +static void yy_png_chunk_IHDR_read(yy_png_chunk_IHDR *IHDR, const uint8_t *data) { + IHDR->width = yy_swap_endian_uint32(*((uint32_t *)(data))); + IHDR->height = yy_swap_endian_uint32(*((uint32_t *)(data + 4))); + IHDR->bit_depth = data[8]; + IHDR->color_type = data[9]; + IHDR->compression_method = data[10]; + IHDR->filter_method = data[11]; + IHDR->interlace_method = data[12]; +} + +static void yy_png_chunk_IHDR_write(yy_png_chunk_IHDR *IHDR, uint8_t *data) { + *((uint32_t *)(data)) = yy_swap_endian_uint32(IHDR->width); + *((uint32_t *)(data + 4)) = yy_swap_endian_uint32(IHDR->height); + data[8] = IHDR->bit_depth; + data[9] = IHDR->color_type; + data[10] = IHDR->compression_method; + data[11] = IHDR->filter_method; + data[12] = IHDR->interlace_method; +} + +static void yy_png_chunk_fcTL_read(yy_png_chunk_fcTL *fcTL, const uint8_t *data) { + fcTL->sequence_number = yy_swap_endian_uint32(*((uint32_t *)(data))); + fcTL->width = yy_swap_endian_uint32(*((uint32_t *)(data + 4))); + fcTL->height = yy_swap_endian_uint32(*((uint32_t *)(data + 8))); + fcTL->x_offset = yy_swap_endian_uint32(*((uint32_t *)(data + 12))); + fcTL->y_offset = yy_swap_endian_uint32(*((uint32_t *)(data + 16))); + fcTL->delay_num = yy_swap_endian_uint16(*((uint16_t *)(data + 20))); + fcTL->delay_den = yy_swap_endian_uint16(*((uint16_t *)(data + 22))); + fcTL->dispose_op = data[24]; + fcTL->blend_op = data[25]; +} + +static void yy_png_chunk_fcTL_write(yy_png_chunk_fcTL *fcTL, uint8_t *data) { + *((uint32_t *)(data)) = yy_swap_endian_uint32(fcTL->sequence_number); + *((uint32_t *)(data + 4)) = yy_swap_endian_uint32(fcTL->width); + *((uint32_t *)(data + 8)) = yy_swap_endian_uint32(fcTL->height); + *((uint32_t *)(data + 12)) = yy_swap_endian_uint32(fcTL->x_offset); + *((uint32_t *)(data + 16)) = yy_swap_endian_uint32(fcTL->y_offset); + *((uint16_t *)(data + 20)) = yy_swap_endian_uint16(fcTL->delay_num); + *((uint16_t *)(data + 22)) = yy_swap_endian_uint16(fcTL->delay_den); + data[24] = fcTL->dispose_op; + data[25] = fcTL->blend_op; +} + +// convert double value to fraction +static void yy_png_delay_to_fraction(double duration, uint16_t *num, uint16_t *den) { + if (duration >= 0xFF) { + *num = 0xFF; + *den = 1; + } else if (duration <= 1.0 / (double)0xFF) { + *num = 1; + *den = 0xFF; + } else { + // Use continued fraction to calculate the num and den. + long MAX = 10; + double eps = (0.5 / (double)0xFF); + long p[MAX], q[MAX], a[MAX], i, numl = 0, denl = 0; + // The first two convergents are 0/1 and 1/0 + p[0] = 0; q[0] = 1; + p[1] = 1; q[1] = 0; + // The rest of the convergents (and continued fraction) + for (i = 2; i < MAX; i++) { + a[i] = lrint(floor(duration)); + p[i] = a[i] * p[i - 1] + p[i - 2]; + q[i] = a[i] * q[i - 1] + q[i - 2]; + if (p[i] <= 0xFF && q[i] <= 0xFF) { // uint16_t + numl = p[i]; + denl = q[i]; + } else break; + if (fabs(duration - a[i]) < eps) break; + duration = 1.0 / (duration - a[i]); + } + + if (numl != 0 && denl != 0) { + *num = numl; + *den = denl; + } else { + *num = 1; + *den = 100; + } + } +} + +// convert fraction to double value +static double yy_png_delay_to_seconds(uint16_t num, uint16_t den) { + if (den == 0) { + return num / 100.0; + } else { + return (double)num / (double)den; + } +} + +static bool yy_png_validate_animation_chunk_order(yy_png_chunk_info *chunks, /* input */ + uint32_t chunk_num, /* input */ + uint32_t *first_idat_index, /* output */ + bool *first_frame_is_cover /* output */) { + /* + PNG at least contains 3 chunks: IHDR, IDAT, IEND. + `IHDR` must appear first. + `IDAT` must appear consecutively. + `IEND` must appear end. + + APNG must contains one `acTL` and at least one 'fcTL' and `fdAT`. + `fdAT` must appear consecutively. + `fcTL` must appear before `IDAT` or `fdAT`. + */ + if (chunk_num <= 2) return false; + if (chunks->fourcc != YY_FOUR_CC('I', 'H', 'D', 'R')) return false; + if ((chunks + chunk_num - 1)->fourcc != YY_FOUR_CC('I', 'E', 'N', 'D')) return false; + + uint32_t prev_fourcc = 0; + uint32_t IHDR_num = 0; + uint32_t IDAT_num = 0; + uint32_t acTL_num = 0; + uint32_t fcTL_num = 0; + uint32_t first_IDAT = 0; + bool first_frame_cover = false; + for (uint32_t i = 0; i < chunk_num; i++) { + yy_png_chunk_info *chunk = chunks + i; + switch (chunk->fourcc) { + case YY_FOUR_CC('I', 'H', 'D', 'R'): { // png header + if (i != 0) return false; + if (IHDR_num > 0) return false; + IHDR_num++; + } break; + case YY_FOUR_CC('I', 'D', 'A', 'T'): { // png data + if (prev_fourcc != YY_FOUR_CC('I', 'D', 'A', 'T')) { + if (IDAT_num == 0) + first_IDAT = i; + else + return false; + } + IDAT_num++; + } break; + case YY_FOUR_CC('a', 'c', 'T', 'L'): { // apng control + if (acTL_num > 0) return false; + acTL_num++; + } break; + case YY_FOUR_CC('f', 'c', 'T', 'L'): { // apng frame control + if (i + 1 == chunk_num) return false; + if ((chunk + 1)->fourcc != YY_FOUR_CC('f', 'd', 'A', 'T') && + (chunk + 1)->fourcc != YY_FOUR_CC('I', 'D', 'A', 'T')) { + return false; + } + if (fcTL_num == 0) { + if ((chunk + 1)->fourcc == YY_FOUR_CC('I', 'D', 'A', 'T')) { + first_frame_cover = true; + } + } + fcTL_num++; + } break; + case YY_FOUR_CC('f', 'd', 'A', 'T'): { // apng data + if (prev_fourcc != YY_FOUR_CC('f', 'd', 'A', 'T') && prev_fourcc != YY_FOUR_CC('f', 'c', 'T', 'L')) { + return false; + } + } break; + } + prev_fourcc = chunk->fourcc; + } + if (IHDR_num != 1) return false; + if (IDAT_num == 0) return false; + if (acTL_num != 1) return false; + if (fcTL_num < acTL_num) return false; + *first_idat_index = first_IDAT; + *first_frame_is_cover = first_frame_cover; + return true; +} + +static void yy_png_info_release(yy_png_info *info) { + if (info) { + if (info->chunks) free(info->chunks); + if (info->apng_frames) free(info->apng_frames); + if (info->apng_shared_chunk_indexs) free(info->apng_shared_chunk_indexs); + free(info); + } +} + +/** + Create a png info from a png file. See struct png_info for more information. + + @param data png/apng file data. + @param length the data's length in bytes. + @return A png info object, you may call yy_png_info_release() to release it. + Returns NULL if an error occurs. + */ +static yy_png_info *yy_png_info_create(const uint8_t *data, uint32_t length) { + if (length < 32) return NULL; + if (*((uint32_t *)data) != YY_FOUR_CC(0x89, 0x50, 0x4E, 0x47)) return NULL; + if (*((uint32_t *)(data + 4)) != YY_FOUR_CC(0x0D, 0x0A, 0x1A, 0x0A)) return NULL; + + uint32_t chunk_realloc_num = 16; + yy_png_chunk_info *chunks = malloc(sizeof(yy_png_chunk_info) * chunk_realloc_num); + if (!chunks) return NULL; + + // parse png chunks + uint32_t offset = 8; + uint32_t chunk_num = 0; + uint32_t chunk_capacity = chunk_realloc_num; + uint32_t apng_loop_num = 0; + int32_t apng_sequence_index = -1; + int32_t apng_frame_index = 0; + int32_t apng_frame_number = -1; + bool apng_chunk_error = false; + do { + if (chunk_num >= chunk_capacity) { + yy_png_chunk_info *new_chunks = realloc(chunks, sizeof(yy_png_chunk_info) * (chunk_capacity + chunk_realloc_num)); + if (!new_chunks) { + free(chunks); + return NULL; + } + chunks = new_chunks; + chunk_capacity += chunk_realloc_num; + } + yy_png_chunk_info *chunk = chunks + chunk_num; + const uint8_t *chunk_data = data + offset; + chunk->offset = offset; + chunk->length = yy_swap_endian_uint32(*((uint32_t *)chunk_data)); + if ((uint64_t)chunk->offset + (uint64_t)chunk->length + 12 > length) { + free(chunks); + return NULL; + } + + chunk->fourcc = *((uint32_t *)(chunk_data + 4)); + if ((uint64_t)chunk->offset + 4 + chunk->length + 4 > (uint64_t)length) break; + chunk->crc32 = yy_swap_endian_uint32(*((uint32_t *)(chunk_data + 8 + chunk->length))); + chunk_num++; + offset += 12 + chunk->length; + + switch (chunk->fourcc) { + case YY_FOUR_CC('a', 'c', 'T', 'L') : { + if (chunk->length == 8) { + apng_frame_number = yy_swap_endian_uint32(*((uint32_t *)(chunk_data + 8))); + apng_loop_num = yy_swap_endian_uint32(*((uint32_t *)(chunk_data + 12))); + } else { + apng_chunk_error = true; + } + } break; + case YY_FOUR_CC('f', 'c', 'T', 'L') : + case YY_FOUR_CC('f', 'd', 'A', 'T') : { + if (chunk->fourcc == YY_FOUR_CC('f', 'c', 'T', 'L')) { + if (chunk->length != 26) { + apng_chunk_error = true; + } else { + apng_frame_index++; + } + } + if (chunk->length > 4) { + uint32_t sequence = yy_swap_endian_uint32(*((uint32_t *)(chunk_data + 8))); + if (apng_sequence_index + 1 == sequence) { + apng_sequence_index++; + } else { + apng_chunk_error = true; + } + } else { + apng_chunk_error = true; + } + } break; + case YY_FOUR_CC('I', 'E', 'N', 'D') : { + offset = length; // end, break do-while loop + } break; + } + } while (offset + 12 <= length); + + if (chunk_num < 3 || + chunks->fourcc != YY_FOUR_CC('I', 'H', 'D', 'R') || + chunks->length != 13) { + free(chunks); + return NULL; + } + + // png info + yy_png_info *info = calloc(1, sizeof(yy_png_info)); + if (!info) { + free(chunks); + return NULL; + } + info->chunks = chunks; + info->chunk_num = chunk_num; + yy_png_chunk_IHDR_read(&info->header, data + chunks->offset + 8); + + // apng info + if (!apng_chunk_error && apng_frame_number == apng_frame_index && apng_frame_number >= 1) { + bool first_frame_is_cover = false; + uint32_t first_IDAT_index = 0; + if (!yy_png_validate_animation_chunk_order(info->chunks, info->chunk_num, &first_IDAT_index, &first_frame_is_cover)) { + return info; // ignore apng chunk + } + + info->apng_loop_num = apng_loop_num; + info->apng_frame_num = apng_frame_number; + info->apng_first_frame_is_cover = first_frame_is_cover; + info->apng_shared_insert_index = first_IDAT_index; + info->apng_frames = calloc(apng_frame_number, sizeof(yy_png_frame_info)); + if (!info->apng_frames) { + yy_png_info_release(info); + return NULL; + } + info->apng_shared_chunk_indexs = calloc(info->chunk_num, sizeof(uint32_t)); + if (!info->apng_shared_chunk_indexs) { + yy_png_info_release(info); + return NULL; + } + + int32_t frame_index = -1; + uint32_t *shared_chunk_index = info->apng_shared_chunk_indexs; + for (int32_t i = 0; i < info->chunk_num; i++) { + yy_png_chunk_info *chunk = info->chunks + i; + switch (chunk->fourcc) { + case YY_FOUR_CC('I', 'D', 'A', 'T'): { + if (info->apng_shared_insert_index == 0) { + info->apng_shared_insert_index = i; + } + if (first_frame_is_cover) { + yy_png_frame_info *frame = info->apng_frames + frame_index; + frame->chunk_num++; + frame->chunk_size += chunk->length + 12; + } + } break; + case YY_FOUR_CC('a', 'c', 'T', 'L'): { + } break; + case YY_FOUR_CC('f', 'c', 'T', 'L'): { + frame_index++; + yy_png_frame_info *frame = info->apng_frames + frame_index; + frame->chunk_index = i + 1; + yy_png_chunk_fcTL_read(&frame->frame_control, data + chunk->offset + 8); + } break; + case YY_FOUR_CC('f', 'd', 'A', 'T'): { + yy_png_frame_info *frame = info->apng_frames + frame_index; + frame->chunk_num++; + frame->chunk_size += chunk->length + 12; + } break; + default: { + *shared_chunk_index = i; + shared_chunk_index++; + info->apng_shared_chunk_size += chunk->length + 12; + info->apng_shared_chunk_num++; + } break; + } + } + } + return info; +} + +/** + Copy a png frame data from an apng file. + + @param data apng file data + @param info png info + @param index frame index (zero-based) + @param size output, the size of the frame data + @return A frame data (single-frame png file), call free() to release the data. + Returns NULL if an error occurs. + */ +static uint8_t *yy_png_copy_frame_data_at_index(const uint8_t *data, + const yy_png_info *info, + const uint32_t index, + uint32_t *size) { + if (index >= info->apng_frame_num) return NULL; + + yy_png_frame_info *frame_info = info->apng_frames + index; + uint32_t frame_remux_size = 8 /* PNG Header */ + info->apng_shared_chunk_size + frame_info->chunk_size; + if (!(info->apng_first_frame_is_cover && index == 0)) { + frame_remux_size -= frame_info->chunk_num * 4; // remove fdAT sequence number + } + uint8_t *frame_data = malloc(frame_remux_size); + if (!frame_data) return NULL; + *size = frame_remux_size; + + uint32_t data_offset = 0; + bool inserted = false; + memcpy(frame_data, data, 8); // PNG File Header + data_offset += 8; + for (uint32_t i = 0; i < info->apng_shared_chunk_num; i++) { + uint32_t shared_chunk_index = info->apng_shared_chunk_indexs[i]; + yy_png_chunk_info *shared_chunk_info = info->chunks + shared_chunk_index; + + if (shared_chunk_index >= info->apng_shared_insert_index && !inserted) { // replace IDAT with fdAT + inserted = true; + for (uint32_t c = 0; c < frame_info->chunk_num; c++) { + yy_png_chunk_info *insert_chunk_info = info->chunks + frame_info->chunk_index + c; + if (insert_chunk_info->fourcc == YY_FOUR_CC('f', 'd', 'A', 'T')) { + *((uint32_t *)(frame_data + data_offset)) = yy_swap_endian_uint32(insert_chunk_info->length - 4); + *((uint32_t *)(frame_data + data_offset + 4)) = YY_FOUR_CC('I', 'D', 'A', 'T'); + memcpy(frame_data + data_offset + 8, data + insert_chunk_info->offset + 12, insert_chunk_info->length - 4); + uint32_t crc = (uint32_t)crc32(0, frame_data + data_offset + 4, insert_chunk_info->length); + *((uint32_t *)(frame_data + data_offset + insert_chunk_info->length + 4)) = yy_swap_endian_uint32(crc); + data_offset += insert_chunk_info->length + 8; + } else { // IDAT + memcpy(frame_data + data_offset, data + insert_chunk_info->offset, insert_chunk_info->length + 12); + data_offset += insert_chunk_info->length + 12; + } + } + } + + if (shared_chunk_info->fourcc == YY_FOUR_CC('I', 'H', 'D', 'R')) { + uint8_t tmp[25] = {0}; + memcpy(tmp, data + shared_chunk_info->offset, 25); + yy_png_chunk_IHDR IHDR = info->header; + IHDR.width = frame_info->frame_control.width; + IHDR.height = frame_info->frame_control.height; + yy_png_chunk_IHDR_write(&IHDR, tmp + 8); + *((uint32_t *)(tmp + 21)) = yy_swap_endian_uint32((uint32_t)crc32(0, tmp + 4, 17)); + memcpy(frame_data + data_offset, tmp, 25); + data_offset += 25; + } else { + memcpy(frame_data + data_offset, data + shared_chunk_info->offset, shared_chunk_info->length + 12); + data_offset += shared_chunk_info->length + 12; + } + } + return frame_data; +} + + + +//////////////////////////////////////////////////////////////////////////////// +#pragma mark - Helper + +/// Returns byte-aligned size. +static inline size_t YYImageByteAlign(size_t size, size_t alignment) { + return ((size + (alignment - 1)) / alignment) * alignment; +} + +/// Convert degree to radians +static inline CGFloat YYImageDegreesToRadians(CGFloat degrees) { + return degrees * M_PI / 180; +} + +CGColorSpaceRef YYCGColorSpaceGetDeviceRGB() { + static CGColorSpaceRef space; + static dispatch_once_t onceToken; + dispatch_once(&onceToken, ^{ + space = CGColorSpaceCreateDeviceRGB(); + }); + return space; +} + +CGColorSpaceRef YYCGColorSpaceGetDeviceGray() { + static CGColorSpaceRef space; + static dispatch_once_t onceToken; + dispatch_once(&onceToken, ^{ + space = CGColorSpaceCreateDeviceGray(); + }); + return space; +} + +BOOL YYCGColorSpaceIsDeviceRGB(CGColorSpaceRef space) { + return space && CFEqual(space, YYCGColorSpaceGetDeviceRGB()); +} + +BOOL YYCGColorSpaceIsDeviceGray(CGColorSpaceRef space) { + return space && CFEqual(space, YYCGColorSpaceGetDeviceGray()); +} + +/** + A callback used in CGDataProviderCreateWithData() to release data. + + Example: + + void *data = malloc(size); + CGDataProviderRef provider = CGDataProviderCreateWithData(data, data, size, YYCGDataProviderReleaseDataCallback); + */ +static void YYCGDataProviderReleaseDataCallback(void *info, const void *data, size_t size) { + if (info) free(info); +} + +/** + Decode an image to bitmap buffer with the specified format. + + @param srcImage Source image. + @param dest Destination buffer. It should be zero before call this method. + If decode succeed, you should release the dest->data using free(). + @param destFormat Destination bitmap format. + + @return Whether succeed. + + @warning This method support iOS7.0 and later. If call it on iOS6, it just returns NO. + CG_AVAILABLE_STARTING(__MAC_10_9, __IPHONE_7_0) + */ +static BOOL YYCGImageDecodeToBitmapBufferWithAnyFormat(CGImageRef srcImage, vImage_Buffer *dest, vImage_CGImageFormat *destFormat) { + if (!srcImage || (((long)vImageConvert_AnyToAny) + 1 == 1) || !destFormat || !dest) return NO; + size_t width = CGImageGetWidth(srcImage); + size_t height = CGImageGetHeight(srcImage); + if (width == 0 || height == 0) return NO; + dest->data = NULL; + + vImage_Error error = kvImageNoError; + CFDataRef srcData = NULL; + vImageConverterRef convertor = NULL; + vImage_CGImageFormat srcFormat = {0}; + srcFormat.bitsPerComponent = (uint32_t)CGImageGetBitsPerComponent(srcImage); + srcFormat.bitsPerPixel = (uint32_t)CGImageGetBitsPerPixel(srcImage); + srcFormat.colorSpace = CGImageGetColorSpace(srcImage); + srcFormat.bitmapInfo = CGImageGetBitmapInfo(srcImage) | CGImageGetAlphaInfo(srcImage); + + convertor = vImageConverter_CreateWithCGImageFormat(&srcFormat, destFormat, NULL, kvImageNoFlags, NULL); + if (!convertor) goto fail; + + CGDataProviderRef srcProvider = CGImageGetDataProvider(srcImage); + srcData = srcProvider ? CGDataProviderCopyData(srcProvider) : NULL; // decode + size_t srcLength = srcData ? CFDataGetLength(srcData) : 0; + const void *srcBytes = srcData ? CFDataGetBytePtr(srcData) : NULL; + if (srcLength == 0 || !srcBytes) goto fail; + + vImage_Buffer src = {0}; + src.data = (void *)srcBytes; + src.width = width; + src.height = height; + src.rowBytes = CGImageGetBytesPerRow(srcImage); + + error = vImageBuffer_Init(dest, height, width, 32, kvImageNoFlags); + if (error != kvImageNoError) goto fail; + + error = vImageConvert_AnyToAny(convertor, &src, dest, NULL, kvImageNoFlags); // convert + if (error != kvImageNoError) goto fail; + + CFRelease(convertor); + CFRelease(srcData); + return YES; + +fail: + if (convertor) CFRelease(convertor); + if (srcData) CFRelease(srcData); + if (dest->data) free(dest->data); + dest->data = NULL; + return NO; +} + +/** + Decode an image to bitmap buffer with the 32bit format (such as ARGB8888). + + @param srcImage Source image. + @param dest Destination buffer. It should be zero before call this method. + If decode succeed, you should release the dest->data using free(). + @param bitmapInfo Destination bitmap format. + + @return Whether succeed. + */ +static BOOL YYCGImageDecodeToBitmapBufferWith32BitFormat(CGImageRef srcImage, vImage_Buffer *dest, CGBitmapInfo bitmapInfo) { + if (!srcImage || !dest) return NO; + size_t width = CGImageGetWidth(srcImage); + size_t height = CGImageGetHeight(srcImage); + if (width == 0 || height == 0) return NO; + + BOOL hasAlpha = NO; + BOOL alphaFirst = NO; + BOOL alphaPremultiplied = NO; + BOOL byteOrderNormal = NO; + + switch (bitmapInfo & kCGBitmapAlphaInfoMask) { + case kCGImageAlphaPremultipliedLast: { + hasAlpha = YES; + alphaPremultiplied = YES; + } break; + case kCGImageAlphaPremultipliedFirst: { + hasAlpha = YES; + alphaPremultiplied = YES; + alphaFirst = YES; + } break; + case kCGImageAlphaLast: { + hasAlpha = YES; + } break; + case kCGImageAlphaFirst: { + hasAlpha = YES; + alphaFirst = YES; + } break; + case kCGImageAlphaNoneSkipLast: { + } break; + case kCGImageAlphaNoneSkipFirst: { + alphaFirst = YES; + } break; + default: { + return NO; + } break; + } + + switch (bitmapInfo & kCGBitmapByteOrderMask) { + case kCGBitmapByteOrderDefault: { + byteOrderNormal = YES; + } break; + case kCGBitmapByteOrder32Little: { + } break; + case kCGBitmapByteOrder32Big: { + byteOrderNormal = YES; + } break; + default: { + return NO; + } break; + } + + /* + Try convert with vImageConvert_AnyToAny() (avaliable since iOS 7.0). + If fail, try decode with CGContextDrawImage(). + CGBitmapContext use a premultiplied alpha format, unpremultiply may lose precision. + */ + vImage_CGImageFormat destFormat = {0}; + destFormat.bitsPerComponent = 8; + destFormat.bitsPerPixel = 32; + destFormat.colorSpace = YYCGColorSpaceGetDeviceRGB(); + destFormat.bitmapInfo = bitmapInfo; + dest->data = NULL; + if (YYCGImageDecodeToBitmapBufferWithAnyFormat(srcImage, dest, &destFormat)) return YES; + + CGBitmapInfo contextBitmapInfo = bitmapInfo & kCGBitmapByteOrderMask; + if (!hasAlpha || alphaPremultiplied) { + contextBitmapInfo |= (bitmapInfo & kCGBitmapAlphaInfoMask); + } else { + contextBitmapInfo |= alphaFirst ? kCGImageAlphaPremultipliedFirst : kCGImageAlphaPremultipliedLast; + } + CGContextRef context = CGBitmapContextCreate(NULL, width, height, 8, 0, YYCGColorSpaceGetDeviceRGB(), contextBitmapInfo); + if (!context) goto fail; + + CGContextDrawImage(context, CGRectMake(0, 0, width, height), srcImage); // decode and convert + size_t bytesPerRow = CGBitmapContextGetBytesPerRow(context); + size_t length = height * bytesPerRow; + void *data = CGBitmapContextGetData(context); + if (length == 0 || !data) goto fail; + + dest->data = malloc(length); + dest->width = width; + dest->height = height; + dest->rowBytes = bytesPerRow; + if (!dest->data) goto fail; + + if (hasAlpha && !alphaPremultiplied) { + vImage_Buffer tmpSrc = {0}; + tmpSrc.data = data; + tmpSrc.width = width; + tmpSrc.height = height; + tmpSrc.rowBytes = bytesPerRow; + vImage_Error error; + if (alphaFirst && byteOrderNormal) { + error = vImageUnpremultiplyData_ARGB8888(&tmpSrc, dest, kvImageNoFlags); + } else { + error = vImageUnpremultiplyData_RGBA8888(&tmpSrc, dest, kvImageNoFlags); + } + if (error != kvImageNoError) goto fail; + } else { + memcpy(dest->data, data, length); + } + + CFRelease(context); + return YES; + +fail: + if (context) CFRelease(context); + if (dest->data) free(dest->data); + dest->data = NULL; + return NO; + return NO; +} + +CGImageRef YYCGImageCreateDecodedCopy(CGImageRef imageRef, BOOL decodeForDisplay) { + if (!imageRef) return NULL; + size_t width = CGImageGetWidth(imageRef); + size_t height = CGImageGetHeight(imageRef); + if (width == 0 || height == 0) return NULL; + + if (decodeForDisplay) { //decode with redraw (may lose some precision) + CGImageAlphaInfo alphaInfo = CGImageGetAlphaInfo(imageRef) & kCGBitmapAlphaInfoMask; + BOOL hasAlpha = NO; + if (alphaInfo == kCGImageAlphaPremultipliedLast || + alphaInfo == kCGImageAlphaPremultipliedFirst || + alphaInfo == kCGImageAlphaLast || + alphaInfo == kCGImageAlphaFirst) { + hasAlpha = YES; + } + // BGRA8888 (premultiplied) or BGRX8888 + // same as UIGraphicsBeginImageContext() and -[UIView drawRect:] + CGBitmapInfo bitmapInfo = kCGBitmapByteOrder32Host; + bitmapInfo |= hasAlpha ? kCGImageAlphaPremultipliedFirst : kCGImageAlphaNoneSkipFirst; + CGContextRef context = CGBitmapContextCreate(NULL, width, height, 8, 0, YYCGColorSpaceGetDeviceRGB(), bitmapInfo); + if (!context) return NULL; + CGContextDrawImage(context, CGRectMake(0, 0, width, height), imageRef); // decode + CGImageRef newImage = CGBitmapContextCreateImage(context); + CFRelease(context); + return newImage; + + } else { + CGColorSpaceRef space = CGImageGetColorSpace(imageRef); + size_t bitsPerComponent = CGImageGetBitsPerComponent(imageRef); + size_t bitsPerPixel = CGImageGetBitsPerPixel(imageRef); + size_t bytesPerRow = CGImageGetBytesPerRow(imageRef); + CGBitmapInfo bitmapInfo = CGImageGetBitmapInfo(imageRef); + if (bytesPerRow == 0 || width == 0 || height == 0) return NULL; + + CGDataProviderRef dataProvider = CGImageGetDataProvider(imageRef); + if (!dataProvider) return NULL; + CFDataRef data = CGDataProviderCopyData(dataProvider); // decode + if (!data) return NULL; + + CGDataProviderRef newProvider = CGDataProviderCreateWithCFData(data); + CFRelease(data); + if (!newProvider) return NULL; + + CGImageRef newImage = CGImageCreate(width, height, bitsPerComponent, bitsPerPixel, bytesPerRow, space, bitmapInfo, newProvider, NULL, false, kCGRenderingIntentDefault); + CFRelease(newProvider); + return newImage; + } +} + +CGImageRef YYCGImageCreateAffineTransformCopy(CGImageRef imageRef, CGAffineTransform transform, CGSize destSize, CGBitmapInfo destBitmapInfo) { + if (!imageRef) return NULL; + size_t srcWidth = CGImageGetWidth(imageRef); + size_t srcHeight = CGImageGetHeight(imageRef); + size_t destWidth = round(destSize.width); + size_t destHeight = round(destSize.height); + if (srcWidth == 0 || srcHeight == 0 || destWidth == 0 || destHeight == 0) return NULL; + + CGDataProviderRef tmpProvider = NULL, destProvider = NULL; + CGImageRef tmpImage = NULL, destImage = NULL; + vImage_Buffer src = {0}, tmp = {0}, dest = {0}; + if(!YYCGImageDecodeToBitmapBufferWith32BitFormat(imageRef, &src, kCGImageAlphaFirst | kCGBitmapByteOrderDefault)) return NULL; + + size_t destBytesPerRow = YYImageByteAlign(destWidth * 4, 32); + tmp.data = malloc(destHeight * destBytesPerRow); + if (!tmp.data) goto fail; + + tmp.width = destWidth; + tmp.height = destHeight; + tmp.rowBytes = destBytesPerRow; + vImage_CGAffineTransform vTransform = *((vImage_CGAffineTransform *)&transform); + uint8_t backColor[4] = {0}; + vImage_Error error = vImageAffineWarpCG_ARGB8888(&src, &tmp, NULL, &vTransform, backColor, kvImageBackgroundColorFill); + if (error != kvImageNoError) goto fail; + free(src.data); + src.data = NULL; + + tmpProvider = CGDataProviderCreateWithData(tmp.data, tmp.data, destHeight * destBytesPerRow, YYCGDataProviderReleaseDataCallback); + if (!tmpProvider) goto fail; + tmp.data = NULL; // hold by provider + tmpImage = CGImageCreate(destWidth, destHeight, 8, 32, destBytesPerRow, YYCGColorSpaceGetDeviceRGB(), kCGImageAlphaFirst | kCGBitmapByteOrderDefault, tmpProvider, NULL, false, kCGRenderingIntentDefault); + if (!tmpImage) goto fail; + CFRelease(tmpProvider); + tmpProvider = NULL; + + if ((destBitmapInfo & kCGBitmapAlphaInfoMask) == kCGImageAlphaFirst && + (destBitmapInfo & kCGBitmapByteOrderMask) != kCGBitmapByteOrder32Little) { + return tmpImage; + } + + if (!YYCGImageDecodeToBitmapBufferWith32BitFormat(tmpImage, &dest, destBitmapInfo)) goto fail; + CFRelease(tmpImage); + tmpImage = NULL; + + destProvider = CGDataProviderCreateWithData(dest.data, dest.data, destHeight * destBytesPerRow, YYCGDataProviderReleaseDataCallback); + if (!destProvider) goto fail; + dest.data = NULL; // hold by provider + destImage = CGImageCreate(destWidth, destHeight, 8, 32, destBytesPerRow, YYCGColorSpaceGetDeviceRGB(), destBitmapInfo, destProvider, NULL, false, kCGRenderingIntentDefault); + if (!destImage) goto fail; + CFRelease(destProvider); + destProvider = NULL; + + return destImage; + +fail: + if (src.data) free(src.data); + if (tmp.data) free(tmp.data); + if (dest.data) free(dest.data); + if (tmpProvider) CFRelease(tmpProvider); + if (tmpImage) CFRelease(tmpImage); + if (destProvider) CFRelease(destProvider); + return NULL; +} + +UIImageOrientation YYUIImageOrientationFromEXIFValue(NSInteger value) { + switch (value) { + case kCGImagePropertyOrientationUp: return UIImageOrientationUp; + case kCGImagePropertyOrientationDown: return UIImageOrientationDown; + case kCGImagePropertyOrientationLeft: return UIImageOrientationLeft; + case kCGImagePropertyOrientationRight: return UIImageOrientationRight; + case kCGImagePropertyOrientationUpMirrored: return UIImageOrientationUpMirrored; + case kCGImagePropertyOrientationDownMirrored: return UIImageOrientationDownMirrored; + case kCGImagePropertyOrientationLeftMirrored: return UIImageOrientationLeftMirrored; + case kCGImagePropertyOrientationRightMirrored: return UIImageOrientationRightMirrored; + default: return UIImageOrientationUp; + } +} + +NSInteger YYUIImageOrientationToEXIFValue(UIImageOrientation orientation) { + switch (orientation) { + case UIImageOrientationUp: return kCGImagePropertyOrientationUp; + case UIImageOrientationDown: return kCGImagePropertyOrientationDown; + case UIImageOrientationLeft: return kCGImagePropertyOrientationLeft; + case UIImageOrientationRight: return kCGImagePropertyOrientationRight; + case UIImageOrientationUpMirrored: return kCGImagePropertyOrientationUpMirrored; + case UIImageOrientationDownMirrored: return kCGImagePropertyOrientationDownMirrored; + case UIImageOrientationLeftMirrored: return kCGImagePropertyOrientationLeftMirrored; + case UIImageOrientationRightMirrored: return kCGImagePropertyOrientationRightMirrored; + default: return kCGImagePropertyOrientationUp; + } +} + +CGImageRef YYCGImageCreateCopyWithOrientation(CGImageRef imageRef, UIImageOrientation orientation, CGBitmapInfo destBitmapInfo) { + if (!imageRef) return NULL; + if (orientation == UIImageOrientationUp) return (CGImageRef)CFRetain(imageRef); + + size_t width = CGImageGetWidth(imageRef); + size_t height = CGImageGetHeight(imageRef); + + CGAffineTransform transform = CGAffineTransformIdentity; + BOOL swapWidthAndHeight = NO; + switch (orientation) { + case UIImageOrientationDown: { + transform = CGAffineTransformMakeRotation(YYImageDegreesToRadians(180)); + transform = CGAffineTransformTranslate(transform, -(CGFloat)width, -(CGFloat)height); + } break; + case UIImageOrientationLeft: { + transform = CGAffineTransformMakeRotation(YYImageDegreesToRadians(90)); + transform = CGAffineTransformTranslate(transform, -(CGFloat)0, -(CGFloat)height); + swapWidthAndHeight = YES; + } break; + case UIImageOrientationRight: { + transform = CGAffineTransformMakeRotation(YYImageDegreesToRadians(-90)); + transform = CGAffineTransformTranslate(transform, -(CGFloat)width, (CGFloat)0); + swapWidthAndHeight = YES; + } break; + case UIImageOrientationUpMirrored: { + transform = CGAffineTransformTranslate(transform, (CGFloat)width, 0); + transform = CGAffineTransformScale(transform, -1, 1); + } break; + case UIImageOrientationDownMirrored: { + transform = CGAffineTransformTranslate(transform, 0, (CGFloat)height); + transform = CGAffineTransformScale(transform, 1, -1); + } break; + case UIImageOrientationLeftMirrored: { + transform = CGAffineTransformMakeRotation(YYImageDegreesToRadians(-90)); + transform = CGAffineTransformScale(transform, 1, -1); + transform = CGAffineTransformTranslate(transform, -(CGFloat)width, -(CGFloat)height); + swapWidthAndHeight = YES; + } break; + case UIImageOrientationRightMirrored: { + transform = CGAffineTransformMakeRotation(YYImageDegreesToRadians(90)); + transform = CGAffineTransformScale(transform, 1, -1); + swapWidthAndHeight = YES; + } break; + default: break; + } + if (CGAffineTransformIsIdentity(transform)) return (CGImageRef)CFRetain(imageRef); + + CGSize destSize = {width, height}; + if (swapWidthAndHeight) { + destSize.width = height; + destSize.height = width; + } + + return YYCGImageCreateAffineTransformCopy(imageRef, transform, destSize, destBitmapInfo); +} + +YYImageType YYImageDetectType(CFDataRef data) { + if (!data) return YYImageTypeUnknown; + uint64_t length = CFDataGetLength(data); + if (length < 16) return YYImageTypeUnknown; + + const char *bytes = (char *)CFDataGetBytePtr(data); + + uint32_t magic4 = *((uint32_t *)bytes); + switch (magic4) { + case YY_FOUR_CC(0x4D, 0x4D, 0x00, 0x2A): { // big endian TIFF + return YYImageTypeTIFF; + } break; + + case YY_FOUR_CC(0x49, 0x49, 0x2A, 0x00): { // little endian TIFF + return YYImageTypeTIFF; + } break; + + case YY_FOUR_CC(0x00, 0x00, 0x01, 0x00): { // ICO + return YYImageTypeICO; + } break; + + case YY_FOUR_CC(0x00, 0x00, 0x02, 0x00): { // CUR + return YYImageTypeICO; + } break; + + case YY_FOUR_CC('i', 'c', 'n', 's'): { // ICNS + return YYImageTypeICNS; + } break; + + case YY_FOUR_CC('G', 'I', 'F', '8'): { // GIF + return YYImageTypeGIF; + } break; + + case YY_FOUR_CC(0x89, 'P', 'N', 'G'): { // PNG + uint32_t tmp = *((uint32_t *)(bytes + 4)); + if (tmp == YY_FOUR_CC('\r', '\n', 0x1A, '\n')) { + return YYImageTypePNG; + } + } break; + + case YY_FOUR_CC('R', 'I', 'F', 'F'): { // WebP + uint32_t tmp = *((uint32_t *)(bytes + 8)); + if (tmp == YY_FOUR_CC('W', 'E', 'B', 'P')) { + return YYImageTypeWebP; + } + } break; + /* + case YY_FOUR_CC('B', 'P', 'G', 0xFB): { // BPG + return YYImageTypeBPG; + } break; + */ + } + + uint16_t magic2 = *((uint16_t *)bytes); + switch (magic2) { + case YY_TWO_CC('B', 'A'): + case YY_TWO_CC('B', 'M'): + case YY_TWO_CC('I', 'C'): + case YY_TWO_CC('P', 'I'): + case YY_TWO_CC('C', 'I'): + case YY_TWO_CC('C', 'P'): { // BMP + return YYImageTypeBMP; + } + case YY_TWO_CC(0xFF, 0x4F): { // JPEG2000 + return YYImageTypeJPEG2000; + } + } + + // JPG FF D8 FF + if (memcmp(bytes,"\377\330\377",3) == 0) return YYImageTypeJPEG; + + // JP2 + if (memcmp(bytes + 4, "\152\120\040\040\015", 5) == 0) return YYImageTypeJPEG2000; + + return YYImageTypeUnknown; +} + +CFStringRef YYImageTypeToUTType(YYImageType type) { + switch (type) { + case YYImageTypeJPEG: return kUTTypeJPEG; + case YYImageTypeJPEG2000: return kUTTypeJPEG2000; + case YYImageTypeTIFF: return kUTTypeTIFF; + case YYImageTypeBMP: return kUTTypeBMP; + case YYImageTypeICO: return kUTTypeICO; + case YYImageTypeICNS: return kUTTypeAppleICNS; + case YYImageTypeGIF: return kUTTypeGIF; + case YYImageTypePNG: return kUTTypePNG; + default: return NULL; + } +} + +YYImageType YYImageTypeFromUTType(CFStringRef uti) { + static NSDictionary *dic; + static dispatch_once_t onceToken; + dispatch_once(&onceToken, ^{ + dic = @{(id)kUTTypeJPEG : @(YYImageTypeJPEG), + (id)kUTTypeJPEG2000 : @(YYImageTypeJPEG2000), + (id)kUTTypeTIFF : @(YYImageTypeTIFF), + (id)kUTTypeBMP : @(YYImageTypeBMP), + (id)kUTTypeICO : @(YYImageTypeICO), + (id)kUTTypeAppleICNS : @(YYImageTypeICNS), + (id)kUTTypeGIF : @(YYImageTypeGIF), + (id)kUTTypePNG : @(YYImageTypePNG)}; + }); + if (!uti) return YYImageTypeUnknown; + NSNumber *num = dic[(__bridge __strong id)(uti)]; + return num.unsignedIntegerValue; +} + +NSString *YYImageTypeGetExtension(YYImageType type) { + switch (type) { + case YYImageTypeJPEG: return @"jpg"; + case YYImageTypeJPEG2000: return @"jp2"; + case YYImageTypeTIFF: return @"tiff"; + case YYImageTypeBMP: return @"bmp"; + case YYImageTypeICO: return @"ico"; + case YYImageTypeICNS: return @"icns"; + case YYImageTypeGIF: return @"gif"; + case YYImageTypePNG: return @"png"; + case YYImageTypeWebP: return @"webp"; + default: return nil; + } +} + +CFDataRef YYCGImageCreateEncodedData(CGImageRef imageRef, YYImageType type, CGFloat quality) { + if (!imageRef) return nil; + quality = quality < 0 ? 0 : quality > 1 ? 1 : quality; + + if (type == YYImageTypeWebP) { +#if YYIMAGE_WEBP_ENABLED + if (quality == 1) { + return YYCGImageCreateEncodedWebPData(imageRef, YES, quality, 4, YYImagePresetDefault); + } else { + return YYCGImageCreateEncodedWebPData(imageRef, NO, quality, 4, YYImagePresetDefault); + } +#else + return NULL; +#endif + } + + CFStringRef uti = YYImageTypeToUTType(type); + if (!uti) return nil; + + CFMutableDataRef data = CFDataCreateMutable(CFAllocatorGetDefault(), 0); + if (!data) return NULL; + CGImageDestinationRef dest = CGImageDestinationCreateWithData(data, uti, 1, NULL); + if (!dest) { + CFRelease(data); + return NULL; + } + NSDictionary *options = @{(id)kCGImageDestinationLossyCompressionQuality : @(quality) }; + CGImageDestinationAddImage(dest, imageRef, (CFDictionaryRef)options); + if (!CGImageDestinationFinalize(dest)) { + CFRelease(data); + CFRelease(dest); + return nil; + } + CFRelease(dest); + + if (CFDataGetLength(data) == 0) { + CFRelease(data); + return NULL; + } + return data; +} + +#if YYIMAGE_WEBP_ENABLED + +BOOL YYImageWebPAvailable() { + return YES; +} + +CFDataRef YYCGImageCreateEncodedWebPData(CGImageRef imageRef, BOOL lossless, CGFloat quality, int compressLevel, YYImagePreset preset) { + if (!imageRef) return nil; + size_t width = CGImageGetWidth(imageRef); + size_t height = CGImageGetHeight(imageRef); + if (width == 0 || width > WEBP_MAX_DIMENSION) return nil; + if (height == 0 || height > WEBP_MAX_DIMENSION) return nil; + + vImage_Buffer buffer = {0}; + if(!YYCGImageDecodeToBitmapBufferWith32BitFormat(imageRef, &buffer, kCGImageAlphaLast | kCGBitmapByteOrderDefault)) return nil; + + WebPConfig config = {0}; + WebPPicture picture = {0}; + WebPMemoryWriter writer = {0}; + CFDataRef webpData = NULL; + BOOL pictureNeedFree = NO; + + quality = quality < 0 ? 0 : quality > 1 ? 1 : quality; + preset = preset > YYImagePresetText ? YYImagePresetDefault : preset; + compressLevel = compressLevel < 0 ? 0 : compressLevel > 6 ? 6 : compressLevel; + if (!WebPConfigPreset(&config, (WebPPreset)preset, quality)) goto fail; + + config.quality = round(quality * 100.0); + config.lossless = lossless; + config.method = compressLevel; + switch ((WebPPreset)preset) { + case WEBP_PRESET_DEFAULT: { + config.image_hint = WEBP_HINT_DEFAULT; + } break; + case WEBP_PRESET_PICTURE: { + config.image_hint = WEBP_HINT_PICTURE; + } break; + case WEBP_PRESET_PHOTO: { + config.image_hint = WEBP_HINT_PHOTO; + } break; + case WEBP_PRESET_DRAWING: + case WEBP_PRESET_ICON: + case WEBP_PRESET_TEXT: { + config.image_hint = WEBP_HINT_GRAPH; + } break; + } + if (!WebPValidateConfig(&config)) goto fail; + + if (!WebPPictureInit(&picture)) goto fail; + pictureNeedFree = YES; + picture.width = (int)buffer.width; + picture.height = (int)buffer.height; + picture.use_argb = lossless; + if(!WebPPictureImportRGBA(&picture, buffer.data, (int)buffer.rowBytes)) goto fail; + + WebPMemoryWriterInit(&writer); + picture.writer = WebPMemoryWrite; + picture.custom_ptr = &writer; + if(!WebPEncode(&config, &picture)) goto fail; + + webpData = CFDataCreate(CFAllocatorGetDefault(), writer.mem, writer.size); + free(writer.mem); + WebPPictureFree(&picture); + free(buffer.data); + return webpData; + +fail: + if (buffer.data) free(buffer.data); + if (pictureNeedFree) WebPPictureFree(&picture); + return nil; +} + +NSUInteger YYImageGetWebPFrameCount(CFDataRef webpData) { + if (!webpData || CFDataGetLength(webpData) == 0) return 0; + + WebPData data = {CFDataGetBytePtr(webpData), CFDataGetLength(webpData)}; + WebPDemuxer *demuxer = WebPDemux(&data); + if (!demuxer) return 0; + NSUInteger webpFrameCount = WebPDemuxGetI(demuxer, WEBP_FF_FRAME_COUNT); + WebPDemuxDelete(demuxer); + return webpFrameCount; +} + +CGImageRef YYCGImageCreateWithWebPData(CFDataRef webpData, + BOOL decodeForDisplay, + BOOL useThreads, + BOOL bypassFiltering, + BOOL noFancyUpsampling) { + /* + Call WebPDecode() on a multi-frame webp data will get an error (VP8_STATUS_UNSUPPORTED_FEATURE). + Use WebPDemuxer to unpack it first. + */ + WebPData data = {0}; + WebPDemuxer *demuxer = NULL; + + int frameCount = 0, canvasWidth = 0, canvasHeight = 0; + WebPIterator iter = {0}; + BOOL iterInited = NO; + const uint8_t *payload = NULL; + size_t payloadSize = 0; + WebPDecoderConfig config = {0}; + + BOOL hasAlpha = NO; + size_t bitsPerComponent = 0, bitsPerPixel = 0, bytesPerRow = 0, destLength = 0; + CGBitmapInfo bitmapInfo = 0; + WEBP_CSP_MODE colorspace = 0; + void *destBytes = NULL; + CGDataProviderRef provider = NULL; + CGImageRef imageRef = NULL; + + if (!webpData || CFDataGetLength(webpData) == 0) return NULL; + data.bytes = CFDataGetBytePtr(webpData); + data.size = CFDataGetLength(webpData); + demuxer = WebPDemux(&data); + if (!demuxer) goto fail; + + frameCount = WebPDemuxGetI(demuxer, WEBP_FF_FRAME_COUNT); + if (frameCount == 0) { + goto fail; + + } else if (frameCount == 1) { // single-frame + payload = data.bytes; + payloadSize = data.size; + if (!WebPInitDecoderConfig(&config)) goto fail; + if (WebPGetFeatures(payload , payloadSize, &config.input) != VP8_STATUS_OK) goto fail; + canvasWidth = config.input.width; + canvasHeight = config.input.height; + + } else { // multi-frame + canvasWidth = WebPDemuxGetI(demuxer, WEBP_FF_CANVAS_WIDTH); + canvasHeight = WebPDemuxGetI(demuxer, WEBP_FF_CANVAS_HEIGHT); + if (canvasWidth < 1 || canvasHeight < 1) goto fail; + + if (!WebPDemuxGetFrame(demuxer, 1, &iter)) goto fail; + iterInited = YES; + + if (iter.width > canvasWidth || iter.height > canvasHeight) goto fail; + payload = iter.fragment.bytes; + payloadSize = iter.fragment.size; + + if (!WebPInitDecoderConfig(&config)) goto fail; + if (WebPGetFeatures(payload , payloadSize, &config.input) != VP8_STATUS_OK) goto fail; + } + if (payload == NULL || payloadSize == 0) goto fail; + + hasAlpha = config.input.has_alpha; + bitsPerComponent = 8; + bitsPerPixel = 32; + bytesPerRow = YYImageByteAlign(bitsPerPixel / 8 * canvasWidth, 32); + destLength = bytesPerRow * canvasHeight; + if (decodeForDisplay) { + bitmapInfo = kCGBitmapByteOrder32Host; + bitmapInfo |= hasAlpha ? kCGImageAlphaPremultipliedFirst : kCGImageAlphaNoneSkipFirst; + colorspace = MODE_bgrA; // small endian + } else { + bitmapInfo = kCGBitmapByteOrderDefault; + bitmapInfo |= hasAlpha ? kCGImageAlphaLast : kCGImageAlphaNoneSkipLast; + colorspace = MODE_RGBA; + } + destBytes = calloc(1, destLength); + if (!destBytes) goto fail; + + config.options.use_threads = useThreads; //speed up 23% + config.options.bypass_filtering = bypassFiltering; //speed up 11%, cause some banding + config.options.no_fancy_upsampling = noFancyUpsampling; //speed down 16%, lose some details + config.output.colorspace = colorspace; + config.output.is_external_memory = 1; + config.output.u.RGBA.rgba = destBytes; + config.output.u.RGBA.stride = (int)bytesPerRow; + config.output.u.RGBA.size = destLength; + + VP8StatusCode result = WebPDecode(payload, payloadSize, &config); + if ((result != VP8_STATUS_OK) && (result != VP8_STATUS_NOT_ENOUGH_DATA)) goto fail; + + if (iter.x_offset != 0 || iter.y_offset != 0) { + void *tmp = calloc(1, destLength); + if (tmp) { + vImage_Buffer src = {destBytes, canvasHeight, canvasWidth, bytesPerRow}; + vImage_Buffer dest = {tmp, canvasHeight, canvasWidth, bytesPerRow}; + vImage_CGAffineTransform transform = {1, 0, 0, 1, iter.x_offset, -iter.y_offset}; + uint8_t backColor[4] = {0}; + vImageAffineWarpCG_ARGB8888(&src, &dest, NULL, &transform, backColor, kvImageBackgroundColorFill); + memcpy(destBytes, tmp, destLength); + free(tmp); + } + } + + provider = CGDataProviderCreateWithData(destBytes, destBytes, destLength, YYCGDataProviderReleaseDataCallback); + if (!provider) goto fail; + destBytes = NULL; // hold by provider + + imageRef = CGImageCreate(canvasWidth, canvasHeight, bitsPerComponent, bitsPerPixel, bytesPerRow, YYCGColorSpaceGetDeviceRGB(), bitmapInfo, provider, NULL, false, kCGRenderingIntentDefault); + + CFRelease(provider); + if (iterInited) WebPDemuxReleaseIterator(&iter); + WebPDemuxDelete(demuxer); + + return imageRef; + +fail: + if (destBytes) free(destBytes); + if (provider) CFRelease(provider); + if (iterInited) WebPDemuxReleaseIterator(&iter); + if (demuxer) WebPDemuxDelete(demuxer); + return NULL; +} + +#else + +BOOL YYImageWebPAvailable() { + return NO; +} + +CFDataRef YYCGImageCreateEncodedWebPData(CGImageRef imageRef, BOOL lossless, CGFloat quality, int compressLevel, YYImagePreset preset) { + NSLog(@"WebP decoder is disabled"); + return NULL; +} + +NSUInteger YYImageGetWebPFrameCount(CFDataRef webpData) { + NSLog(@"WebP decoder is disabled"); + return 0; +} + +CGImageRef YYCGImageCreateWithWebPData(CFDataRef webpData, + BOOL decodeForDisplay, + BOOL useThreads, + BOOL bypassFiltering, + BOOL noFancyUpsampling) { + NSLog(@"WebP decoder is disabled"); + return NULL; +} + +#endif + + +//////////////////////////////////////////////////////////////////////////////// +#pragma mark - Decoder + +@implementation YYImageFrame ++ (instancetype)frameWithImage:(UIImage *)image { + YYImageFrame *frame = [self new]; + frame.image = image; + return frame; +} +- (id)copyWithZone:(NSZone *)zone { + YYImageFrame *frame = [self.class new]; + frame.index = _index; + frame.width = _width; + frame.height = _height; + frame.offsetX = _offsetX; + frame.offsetY = _offsetY; + frame.duration = _duration; + frame.dispose = _dispose; + frame.blend = _blend; + frame.image = _image.copy; + return frame; +} +@end + +// Internal frame object. +@interface _YYImageDecoderFrame : YYImageFrame +@property (nonatomic, assign) BOOL hasAlpha; ///< Whether frame has alpha. +@property (nonatomic, assign) BOOL isFullSize; ///< Whether frame fill the canvas. +@property (nonatomic, assign) NSUInteger blendFromIndex; ///< Blend from frame index to current frame. +@end + +@implementation _YYImageDecoderFrame +- (id)copyWithZone:(NSZone *)zone { + _YYImageDecoderFrame *frame = [super copyWithZone:zone]; + frame.hasAlpha = _hasAlpha; + frame.isFullSize = _isFullSize; + frame.blendFromIndex = _blendFromIndex; + return frame; +} +@end + + +@implementation YYImageDecoder { + pthread_mutex_t _lock; // recursive lock + + BOOL _sourceTypeDetected; + CGImageSourceRef _source; + yy_png_info *_apngSource; +#if YYIMAGE_WEBP_ENABLED + WebPDemuxer *_webpSource; +#endif + + UIImageOrientation _orientation; + dispatch_semaphore_t _framesLock; + NSArray *_frames; ///< Array, without image + BOOL _needBlend; + NSUInteger _blendFrameIndex; + CGContextRef _blendCanvas; +} + +- (void)dealloc { + if (_source) CFRelease(_source); + if (_apngSource) yy_png_info_release(_apngSource); +#if YYIMAGE_WEBP_ENABLED + if (_webpSource) WebPDemuxDelete(_webpSource); +#endif + if (_blendCanvas) CFRelease(_blendCanvas); + pthread_mutex_destroy(&_lock); +} + ++ (instancetype)decoderWithData:(NSData *)data scale:(CGFloat)scale { + if (!data) return nil; + YYImageDecoder *decoder = [[YYImageDecoder alloc] initWithScale:scale]; + [decoder updateData:data final:YES]; + if (decoder.frameCount == 0) return nil; + return decoder; +} + +- (instancetype)init { + return [self initWithScale:[UIScreen mainScreen].scale]; +} + +- (instancetype)initWithScale:(CGFloat)scale { + self = [super init]; + if (scale <= 0) scale = 1; + _scale = scale; + _framesLock = dispatch_semaphore_create(1); + + pthread_mutexattr_t attr; + pthread_mutexattr_init (&attr); + pthread_mutexattr_settype (&attr, PTHREAD_MUTEX_RECURSIVE); + pthread_mutex_init (&_lock, &attr); + pthread_mutexattr_destroy (&attr); + + return self; +} + +- (BOOL)updateData:(NSData *)data final:(BOOL)final { + BOOL result = NO; + pthread_mutex_lock(&_lock); + result = [self _updateData:data final:final]; + pthread_mutex_unlock(&_lock); + return result; +} + +- (YYImageFrame *)frameAtIndex:(NSUInteger)index decodeForDisplay:(BOOL)decodeForDisplay { + YYImageFrame *result = nil; + pthread_mutex_lock(&_lock); + result = [self _frameAtIndex:index decodeForDisplay:decodeForDisplay]; + pthread_mutex_unlock(&_lock); + return result; +} + +- (NSTimeInterval)frameDurationAtIndex:(NSUInteger)index { + NSTimeInterval result = 0; + dispatch_semaphore_wait(_framesLock, DISPATCH_TIME_FOREVER); + if (index < _frames.count) { + result = ((_YYImageDecoderFrame *)_frames[index]).duration; + } + dispatch_semaphore_signal(_framesLock); + return result; +} + +- (NSDictionary *)framePropertiesAtIndex:(NSUInteger)index { + NSDictionary *result = nil; + pthread_mutex_lock(&_lock); + result = [self _framePropertiesAtIndex:index]; + pthread_mutex_unlock(&_lock); + return result; +} + +- (NSDictionary *)imageProperties { + NSDictionary *result = nil; + pthread_mutex_lock(&_lock); + result = [self _imageProperties]; + pthread_mutex_unlock(&_lock); + return result; +} + +#pragma private (wrap) + +- (BOOL)_updateData:(NSData *)data final:(BOOL)final { + if (_finalized) return NO; + if (data.length < _data.length) return NO; + _finalized = final; + _data = data; + + YYImageType type = YYImageDetectType((__bridge CFDataRef)data); + if (_sourceTypeDetected) { + if (_type != type) { + return NO; + } else { + [self _updateSource]; + } + } else { + if (_data.length > 16) { + _type = type; + _sourceTypeDetected = YES; + [self _updateSource]; + } + } + return YES; +} + +- (YYImageFrame *)_frameAtIndex:(NSUInteger)index decodeForDisplay:(BOOL)decodeForDisplay { + if (index >= _frames.count) return 0; + _YYImageDecoderFrame *frame = [(_YYImageDecoderFrame *)_frames[index] copy]; + BOOL decoded = NO; + BOOL extendToCanvas = NO; + if (_type != YYImageTypeICO && decodeForDisplay) { // ICO contains multi-size frame and should not extend to canvas. + extendToCanvas = YES; + } + + if (!_needBlend) { + CGImageRef imageRef = [self _newUnblendedImageAtIndex:index extendToCanvas:extendToCanvas decoded:&decoded]; + if (!imageRef) return nil; + if (decodeForDisplay && !decoded) { + CGImageRef imageRefDecoded = YYCGImageCreateDecodedCopy(imageRef, YES); + if (imageRefDecoded) { + CFRelease(imageRef); + imageRef = imageRefDecoded; + decoded = YES; + } + } + UIImage *image = [UIImage imageWithCGImage:imageRef scale:_scale orientation:_orientation]; + CFRelease(imageRef); + if (!image) return nil; + image.yy_isDecodedForDisplay = decoded; + frame.image = image; + return frame; + } + + // blend + if (![self _createBlendContextIfNeeded]) return nil; + CGImageRef imageRef = NULL; + + if (_blendFrameIndex + 1 == frame.index) { + imageRef = [self _newBlendedImageWithFrame:frame]; + _blendFrameIndex = index; + } else { // should draw canvas from previous frame + _blendFrameIndex = NSNotFound; + CGContextClearRect(_blendCanvas, CGRectMake(0, 0, _width, _height)); + + if (frame.blendFromIndex == frame.index) { + CGImageRef unblendedImage = [self _newUnblendedImageAtIndex:index extendToCanvas:NO decoded:NULL]; + if (unblendedImage) { + CGContextDrawImage(_blendCanvas, CGRectMake(frame.offsetX, frame.offsetY, frame.width, frame.height), unblendedImage); + CFRelease(unblendedImage); + } + imageRef = CGBitmapContextCreateImage(_blendCanvas); + if (frame.dispose == YYImageDisposeBackground) { + CGContextClearRect(_blendCanvas, CGRectMake(frame.offsetX, frame.offsetY, frame.width, frame.height)); + } + _blendFrameIndex = index; + } else { // canvas is not ready + for (uint32_t i = (uint32_t)frame.blendFromIndex; i <= (uint32_t)frame.index; i++) { + if (i == frame.index) { + if (!imageRef) imageRef = [self _newBlendedImageWithFrame:frame]; + } else { + [self _blendImageWithFrame:_frames[i]]; + } + } + _blendFrameIndex = index; + } + } + + if (!imageRef) return nil; + UIImage *image = [UIImage imageWithCGImage:imageRef scale:_scale orientation:_orientation]; + CFRelease(imageRef); + if (!image) return nil; + + image.yy_isDecodedForDisplay = YES; + frame.image = image; + if (extendToCanvas) { + frame.width = _width; + frame.height = _height; + frame.offsetX = 0; + frame.offsetY = 0; + frame.dispose = YYImageDisposeNone; + frame.blend = YYImageBlendNone; + } + return frame; +} + +- (NSDictionary *)_framePropertiesAtIndex:(NSUInteger)index { + if (index >= _frames.count) return nil; + if (!_source) return nil; + CFDictionaryRef properties = CGImageSourceCopyPropertiesAtIndex(_source, index, NULL); + if (!properties) return nil; + return CFBridgingRelease(properties); +} + +- (NSDictionary *)_imageProperties { + if (!_source) return nil; + CFDictionaryRef properties = CGImageSourceCopyProperties(_source, NULL); + if (!properties) return nil; + return CFBridgingRelease(properties); +} + +#pragma private + +- (void)_updateSource { + switch (_type) { + case YYImageTypeWebP: { + [self _updateSourceWebP]; + } break; + + case YYImageTypePNG: { + [self _updateSourceAPNG]; + } break; + + default: { + [self _updateSourceImageIO]; + } break; + } +} + +- (void)_updateSourceWebP { +#if YYIMAGE_WEBP_ENABLED + _width = 0; + _height = 0; + _loopCount = 0; + if (_webpSource) WebPDemuxDelete(_webpSource); + _webpSource = NULL; + dispatch_semaphore_wait(_framesLock, DISPATCH_TIME_FOREVER); + _frames = nil; + dispatch_semaphore_signal(_framesLock); + + /* + https://developers.google.com/speed/webp/docs/api + The documentation said we can use WebPIDecoder to decode webp progressively, + but currently it can only returns an empty image (not same as progressive jpegs), + so we don't use progressive decoding. + + When using WebPDecode() to decode multi-frame webp, we will get the error + "VP8_STATUS_UNSUPPORTED_FEATURE", so we first use WebPDemuxer to unpack it. + */ + + WebPData webPData = {0}; + webPData.bytes = _data.bytes; + webPData.size = _data.length; + WebPDemuxer *demuxer = WebPDemux(&webPData); + if (!demuxer) return; + + uint32_t webpFrameCount = WebPDemuxGetI(demuxer, WEBP_FF_FRAME_COUNT); + uint32_t webpLoopCount = WebPDemuxGetI(demuxer, WEBP_FF_LOOP_COUNT); + uint32_t canvasWidth = WebPDemuxGetI(demuxer, WEBP_FF_CANVAS_WIDTH); + uint32_t canvasHeight = WebPDemuxGetI(demuxer, WEBP_FF_CANVAS_HEIGHT); + if (webpFrameCount == 0 || canvasWidth < 1 || canvasHeight < 1) { + WebPDemuxDelete(demuxer); + return; + } + + NSMutableArray *frames = [NSMutableArray new]; + BOOL needBlend = NO; + uint32_t iterIndex = 0; + uint32_t lastBlendIndex = 0; + WebPIterator iter = {0}; + if (WebPDemuxGetFrame(demuxer, 1, &iter)) { // one-based index... + do { + _YYImageDecoderFrame *frame = [_YYImageDecoderFrame new]; + [frames addObject:frame]; + if (iter.dispose_method == WEBP_MUX_DISPOSE_BACKGROUND) { + frame.dispose = YYImageDisposeBackground; + } + if (iter.blend_method == WEBP_MUX_BLEND) { + frame.blend = YYImageBlendOver; + } + + int canvasWidth = WebPDemuxGetI(demuxer, WEBP_FF_CANVAS_WIDTH); + int canvasHeight = WebPDemuxGetI(demuxer, WEBP_FF_CANVAS_HEIGHT); + frame.index = iterIndex; + frame.duration = iter.duration / 1000.0; + frame.width = iter.width; + frame.height = iter.height; + frame.hasAlpha = iter.has_alpha; + frame.blend = iter.blend_method == WEBP_MUX_BLEND; + frame.offsetX = iter.x_offset; + frame.offsetY = canvasHeight - iter.y_offset - iter.height; + + BOOL sizeEqualsToCanvas = (iter.width == canvasWidth && iter.height == canvasHeight); + BOOL offsetIsZero = (iter.x_offset == 0 && iter.y_offset == 0); + frame.isFullSize = (sizeEqualsToCanvas && offsetIsZero); + + if ((!frame.blend || !frame.hasAlpha) && frame.isFullSize) { + frame.blendFromIndex = lastBlendIndex = iterIndex; + } else { + if (frame.dispose && frame.isFullSize) { + frame.blendFromIndex = lastBlendIndex; + lastBlendIndex = iterIndex + 1; + } else { + frame.blendFromIndex = lastBlendIndex; + } + } + if (frame.index != frame.blendFromIndex) needBlend = YES; + iterIndex++; + } while (WebPDemuxNextFrame(&iter)); + WebPDemuxReleaseIterator(&iter); + } + if (frames.count != webpFrameCount) { + WebPDemuxDelete(demuxer); + return; + } + + _width = canvasWidth; + _height = canvasHeight; + _frameCount = frames.count; + _loopCount = webpLoopCount; + _needBlend = needBlend; + _webpSource = demuxer; + dispatch_semaphore_wait(_framesLock, DISPATCH_TIME_FOREVER); + _frames = frames; + dispatch_semaphore_signal(_framesLock); +#else + static const char *func = __FUNCTION__; + static const int line = __LINE__; + static dispatch_once_t onceToken; + dispatch_once(&onceToken, ^{ + NSLog(@"[%s: %d] WebP is not available, check the documentation to see how to install WebP component: https://github.com/ibireme/YYImage#installation", func, line); + }); +#endif +} + +- (void)_updateSourceAPNG { + /* + APNG extends PNG format to support animation, it was supported by ImageIO + since iOS 8. + + We use a custom APNG decoder to make APNG available in old system, so we + ignore the ImageIO's APNG frame info. Typically the custom decoder is a bit + faster than ImageIO. + */ + + yy_png_info_release(_apngSource); + _apngSource = nil; + + [self _updateSourceImageIO]; // decode first frame + if (_frameCount == 0) return; // png decode failed + if (!_finalized) return; // ignore multi-frame before finalized + + yy_png_info *apng = yy_png_info_create(_data.bytes, (uint32_t)_data.length); + if (!apng) return; // apng decode failed + if (apng->apng_frame_num == 0 || + (apng->apng_frame_num == 1 && apng->apng_first_frame_is_cover)) { + yy_png_info_release(apng); + return; // no animation + } + if (_source) { // apng decode succeed, no longer need image souce + CFRelease(_source); + _source = NULL; + } + + uint32_t canvasWidth = apng->header.width; + uint32_t canvasHeight = apng->header.height; + NSMutableArray *frames = [NSMutableArray new]; + BOOL needBlend = NO; + uint32_t lastBlendIndex = 0; + for (uint32_t i = 0; i < apng->apng_frame_num; i++) { + _YYImageDecoderFrame *frame = [_YYImageDecoderFrame new]; + [frames addObject:frame]; + + yy_png_frame_info *fi = apng->apng_frames + i; + frame.index = i; + frame.duration = yy_png_delay_to_seconds(fi->frame_control.delay_num, fi->frame_control.delay_den); + frame.hasAlpha = YES; + frame.width = fi->frame_control.width; + frame.height = fi->frame_control.height; + frame.offsetX = fi->frame_control.x_offset; + frame.offsetY = canvasHeight - fi->frame_control.y_offset - fi->frame_control.height; + + BOOL sizeEqualsToCanvas = (frame.width == canvasWidth && frame.height == canvasHeight); + BOOL offsetIsZero = (fi->frame_control.x_offset == 0 && fi->frame_control.y_offset == 0); + frame.isFullSize = (sizeEqualsToCanvas && offsetIsZero); + + switch (fi->frame_control.dispose_op) { + case YY_PNG_DISPOSE_OP_BACKGROUND: { + frame.dispose = YYImageDisposeBackground; + } break; + case YY_PNG_DISPOSE_OP_PREVIOUS: { + frame.dispose = YYImageDisposePrevious; + } break; + default: { + frame.dispose = YYImageDisposeNone; + } break; + } + switch (fi->frame_control.blend_op) { + case YY_PNG_BLEND_OP_OVER: { + frame.blend = YYImageBlendOver; + } break; + + default: { + frame.blend = YYImageBlendNone; + } break; + } + + if (frame.blend == YYImageBlendNone && frame.isFullSize) { + frame.blendFromIndex = i; + if (frame.dispose != YYImageDisposePrevious) lastBlendIndex = i; + } else { + if (frame.dispose == YYImageDisposeBackground && frame.isFullSize) { + frame.blendFromIndex = lastBlendIndex; + lastBlendIndex = i + 1; + } else { + frame.blendFromIndex = lastBlendIndex; + } + } + if (frame.index != frame.blendFromIndex) needBlend = YES; + } + + _width = canvasWidth; + _height = canvasHeight; + _frameCount = frames.count; + _loopCount = apng->apng_loop_num; + _needBlend = needBlend; + _apngSource = apng; + dispatch_semaphore_wait(_framesLock, DISPATCH_TIME_FOREVER); + _frames = frames; + dispatch_semaphore_signal(_framesLock); +} + +- (void)_updateSourceImageIO { + _width = 0; + _height = 0; + _orientation = UIImageOrientationUp; + _loopCount = 0; + dispatch_semaphore_wait(_framesLock, DISPATCH_TIME_FOREVER); + _frames = nil; + dispatch_semaphore_signal(_framesLock); + + if (!_source) { + if (_finalized) { + _source = CGImageSourceCreateWithData((__bridge CFDataRef)_data, NULL); + } else { + _source = CGImageSourceCreateIncremental(NULL); + if (_source) CGImageSourceUpdateData(_source, (__bridge CFDataRef)_data, false); + } + } else { + CGImageSourceUpdateData(_source, (__bridge CFDataRef)_data, _finalized); + } + if (!_source) return; + + _frameCount = CGImageSourceGetCount(_source); + if (_frameCount == 0) return; + + if (!_finalized) { // ignore multi-frame before finalized + _frameCount = 1; + } else { + if (_type == YYImageTypePNG) { // use custom apng decoder and ignore multi-frame + _frameCount = 1; + } + if (_type == YYImageTypeGIF) { // get gif loop count + CFDictionaryRef properties = CGImageSourceCopyProperties(_source, NULL); + if (properties) { + CFDictionaryRef gif = CFDictionaryGetValue(properties, kCGImagePropertyGIFDictionary); + if (gif) { + CFTypeRef loop = CFDictionaryGetValue(gif, kCGImagePropertyGIFLoopCount); + if (loop) CFNumberGetValue(loop, kCFNumberNSIntegerType, &_loopCount); + } + CFRelease(properties); + } + } + } + + /* + ICO, GIF, APNG may contains multi-frame. + */ + NSMutableArray *frames = [NSMutableArray new]; + for (NSUInteger i = 0; i < _frameCount; i++) { + _YYImageDecoderFrame *frame = [_YYImageDecoderFrame new]; + frame.index = i; + frame.blendFromIndex = i; + frame.hasAlpha = YES; + frame.isFullSize = YES; + [frames addObject:frame]; + + CFDictionaryRef properties = CGImageSourceCopyPropertiesAtIndex(_source, i, NULL); + if (properties) { + NSTimeInterval duration = 0; + NSInteger orientationValue = 0, width = 0, height = 0; + CFTypeRef value = NULL; + + value = CFDictionaryGetValue(properties, kCGImagePropertyPixelWidth); + if (value) CFNumberGetValue(value, kCFNumberNSIntegerType, &width); + value = CFDictionaryGetValue(properties, kCGImagePropertyPixelHeight); + if (value) CFNumberGetValue(value, kCFNumberNSIntegerType, &height); + if (_type == YYImageTypeGIF) { + CFDictionaryRef gif = CFDictionaryGetValue(properties, kCGImagePropertyGIFDictionary); + if (gif) { + // Use the unclamped frame delay if it exists. + value = CFDictionaryGetValue(gif, kCGImagePropertyGIFUnclampedDelayTime); + if (!value) { + // Fall back to the clamped frame delay if the unclamped frame delay does not exist. + value = CFDictionaryGetValue(gif, kCGImagePropertyGIFDelayTime); + } + if (value) CFNumberGetValue(value, kCFNumberDoubleType, &duration); + } + } + + frame.width = width; + frame.height = height; + frame.duration = duration; + + if (i == 0 && _width + _height == 0) { // init first frame + _width = width; + _height = height; + value = CFDictionaryGetValue(properties, kCGImagePropertyOrientation); + if (value) { + CFNumberGetValue(value, kCFNumberNSIntegerType, &orientationValue); + _orientation = YYUIImageOrientationFromEXIFValue(orientationValue); + } + } + CFRelease(properties); + } + } + dispatch_semaphore_wait(_framesLock, DISPATCH_TIME_FOREVER); + _frames = frames; + dispatch_semaphore_signal(_framesLock); +} + +- (CGImageRef)_newUnblendedImageAtIndex:(NSUInteger)index + extendToCanvas:(BOOL)extendToCanvas + decoded:(BOOL *)decoded CF_RETURNS_RETAINED { + + if (!_finalized && index > 0) return NULL; + if (_frames.count <= index) return NULL; + _YYImageDecoderFrame *frame = _frames[index]; + + if (_source) { + CGImageRef imageRef = CGImageSourceCreateImageAtIndex(_source, index, (CFDictionaryRef)@{(id)kCGImageSourceShouldCache:@(YES)}); + if (imageRef && extendToCanvas) { + size_t width = CGImageGetWidth(imageRef); + size_t height = CGImageGetHeight(imageRef); + if (width == _width && height == _height) { + CGImageRef imageRefExtended = YYCGImageCreateDecodedCopy(imageRef, YES); + if (imageRefExtended) { + CFRelease(imageRef); + imageRef = imageRefExtended; + if (decoded) *decoded = YES; + } + } else { + CGContextRef context = CGBitmapContextCreate(NULL, _width, _height, 8, 0, YYCGColorSpaceGetDeviceRGB(), kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst); + if (context) { + CGContextDrawImage(context, CGRectMake(0, _height - height, width, height), imageRef); + CGImageRef imageRefExtended = CGBitmapContextCreateImage(context); + CFRelease(context); + if (imageRefExtended) { + CFRelease(imageRef); + imageRef = imageRefExtended; + if (decoded) *decoded = YES; + } + } + } + } + return imageRef; + } + + if (_apngSource) { + uint32_t size = 0; + uint8_t *bytes = yy_png_copy_frame_data_at_index(_data.bytes, _apngSource, (uint32_t)index, &size); + if (!bytes) return NULL; + CGDataProviderRef provider = CGDataProviderCreateWithData(bytes, bytes, size, YYCGDataProviderReleaseDataCallback); + if (!provider) { + free(bytes); + return NULL; + } + bytes = NULL; // hold by provider + + CGImageSourceRef source = CGImageSourceCreateWithDataProvider(provider, NULL); + if (!source) { + CFRelease(provider); + return NULL; + } + CFRelease(provider); + + if(CGImageSourceGetCount(source) < 1) { + CFRelease(source); + return NULL; + } + + CGImageRef imageRef = CGImageSourceCreateImageAtIndex(source, 0, (CFDictionaryRef)@{(id)kCGImageSourceShouldCache:@(YES)}); + CFRelease(source); + if (!imageRef) return NULL; + if (extendToCanvas) { + CGContextRef context = CGBitmapContextCreate(NULL, _width, _height, 8, 0, YYCGColorSpaceGetDeviceRGB(), kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst); //bgrA + if (context) { + CGContextDrawImage(context, CGRectMake(frame.offsetX, frame.offsetY, frame.width, frame.height), imageRef); + CFRelease(imageRef); + imageRef = CGBitmapContextCreateImage(context); + CFRelease(context); + if (decoded) *decoded = YES; + } + } + return imageRef; + } + +#if YYIMAGE_WEBP_ENABLED + if (_webpSource) { + WebPIterator iter; + if (!WebPDemuxGetFrame(_webpSource, (int)(index + 1), &iter)) return NULL; // demux webp frame data + // frame numbers are one-based in webp -----------^ + + int frameWidth = iter.width; + int frameHeight = iter.height; + if (frameWidth < 1 || frameHeight < 1) return NULL; + + int width = extendToCanvas ? (int)_width : frameWidth; + int height = extendToCanvas ? (int)_height : frameHeight; + if (width > _width || height > _height) return NULL; + + const uint8_t *payload = iter.fragment.bytes; + size_t payloadSize = iter.fragment.size; + + WebPDecoderConfig config; + if (!WebPInitDecoderConfig(&config)) { + WebPDemuxReleaseIterator(&iter); + return NULL; + } + if (WebPGetFeatures(payload , payloadSize, &config.input) != VP8_STATUS_OK) { + WebPDemuxReleaseIterator(&iter); + return NULL; + } + + size_t bitsPerComponent = 8; + size_t bitsPerPixel = 32; + size_t bytesPerRow = YYImageByteAlign(bitsPerPixel / 8 * width, 32); + size_t length = bytesPerRow * height; + CGBitmapInfo bitmapInfo = kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst; //bgrA + + void *pixels = calloc(1, length); + if (!pixels) { + WebPDemuxReleaseIterator(&iter); + return NULL; + } + + config.output.colorspace = MODE_bgrA; + config.output.is_external_memory = 1; + config.output.u.RGBA.rgba = pixels; + config.output.u.RGBA.stride = (int)bytesPerRow; + config.output.u.RGBA.size = length; + VP8StatusCode result = WebPDecode(payload, payloadSize, &config); // decode + if ((result != VP8_STATUS_OK) && (result != VP8_STATUS_NOT_ENOUGH_DATA)) { + WebPDemuxReleaseIterator(&iter); + free(pixels); + return NULL; + } + WebPDemuxReleaseIterator(&iter); + + if (extendToCanvas && (iter.x_offset != 0 || iter.y_offset != 0)) { + void *tmp = calloc(1, length); + if (tmp) { + vImage_Buffer src = {pixels, height, width, bytesPerRow}; + vImage_Buffer dest = {tmp, height, width, bytesPerRow}; + vImage_CGAffineTransform transform = {1, 0, 0, 1, iter.x_offset, -iter.y_offset}; + uint8_t backColor[4] = {0}; + vImage_Error error = vImageAffineWarpCG_ARGB8888(&src, &dest, NULL, &transform, backColor, kvImageBackgroundColorFill); + if (error == kvImageNoError) { + memcpy(pixels, tmp, length); + } + free(tmp); + } + } + + CGDataProviderRef provider = CGDataProviderCreateWithData(pixels, pixels, length, YYCGDataProviderReleaseDataCallback); + if (!provider) { + free(pixels); + return NULL; + } + pixels = NULL; // hold by provider + + CGImageRef image = CGImageCreate(width, height, bitsPerComponent, bitsPerPixel, bytesPerRow, YYCGColorSpaceGetDeviceRGB(), bitmapInfo, provider, NULL, false, kCGRenderingIntentDefault); + CFRelease(provider); + if (decoded) *decoded = YES; + return image; + } +#endif + + return NULL; +} + +- (BOOL)_createBlendContextIfNeeded { + if (!_blendCanvas) { + _blendFrameIndex = NSNotFound; + _blendCanvas = CGBitmapContextCreate(NULL, _width, _height, 8, 0, YYCGColorSpaceGetDeviceRGB(), kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst); + } + BOOL suc = _blendCanvas != NULL; + return suc; +} + +- (void)_blendImageWithFrame:(_YYImageDecoderFrame *)frame { + if (frame.dispose == YYImageDisposePrevious) { + // nothing + } else if (frame.dispose == YYImageDisposeBackground) { + CGContextClearRect(_blendCanvas, CGRectMake(frame.offsetX, frame.offsetY, frame.width, frame.height)); + } else { // no dispose + if (frame.blend == YYImageBlendOver) { + CGImageRef unblendImage = [self _newUnblendedImageAtIndex:frame.index extendToCanvas:NO decoded:NULL]; + if (unblendImage) { + CGContextDrawImage(_blendCanvas, CGRectMake(frame.offsetX, frame.offsetY, frame.width, frame.height), unblendImage); + CFRelease(unblendImage); + } + } else { + CGContextClearRect(_blendCanvas, CGRectMake(frame.offsetX, frame.offsetY, frame.width, frame.height)); + CGImageRef unblendImage = [self _newUnblendedImageAtIndex:frame.index extendToCanvas:NO decoded:NULL]; + if (unblendImage) { + CGContextDrawImage(_blendCanvas, CGRectMake(frame.offsetX, frame.offsetY, frame.width, frame.height), unblendImage); + CFRelease(unblendImage); + } + } + } +} + +- (CGImageRef)_newBlendedImageWithFrame:(_YYImageDecoderFrame *)frame CF_RETURNS_RETAINED{ + CGImageRef imageRef = NULL; + if (frame.dispose == YYImageDisposePrevious) { + if (frame.blend == YYImageBlendOver) { + CGImageRef previousImage = CGBitmapContextCreateImage(_blendCanvas); + CGImageRef unblendImage = [self _newUnblendedImageAtIndex:frame.index extendToCanvas:NO decoded:NULL]; + if (unblendImage) { + CGContextDrawImage(_blendCanvas, CGRectMake(frame.offsetX, frame.offsetY, frame.width, frame.height), unblendImage); + CFRelease(unblendImage); + } + imageRef = CGBitmapContextCreateImage(_blendCanvas); + CGContextClearRect(_blendCanvas, CGRectMake(0, 0, _width, _height)); + if (previousImage) { + CGContextDrawImage(_blendCanvas, CGRectMake(0, 0, _width, _height), previousImage); + CFRelease(previousImage); + } + } else { + CGImageRef previousImage = CGBitmapContextCreateImage(_blendCanvas); + CGImageRef unblendImage = [self _newUnblendedImageAtIndex:frame.index extendToCanvas:NO decoded:NULL]; + if (unblendImage) { + CGContextClearRect(_blendCanvas, CGRectMake(frame.offsetX, frame.offsetY, frame.width, frame.height)); + CGContextDrawImage(_blendCanvas, CGRectMake(frame.offsetX, frame.offsetY, frame.width, frame.height), unblendImage); + CFRelease(unblendImage); + } + imageRef = CGBitmapContextCreateImage(_blendCanvas); + CGContextClearRect(_blendCanvas, CGRectMake(0, 0, _width, _height)); + if (previousImage) { + CGContextDrawImage(_blendCanvas, CGRectMake(0, 0, _width, _height), previousImage); + CFRelease(previousImage); + } + } + } else if (frame.dispose == YYImageDisposeBackground) { + if (frame.blend == YYImageBlendOver) { + CGImageRef unblendImage = [self _newUnblendedImageAtIndex:frame.index extendToCanvas:NO decoded:NULL]; + if (unblendImage) { + CGContextDrawImage(_blendCanvas, CGRectMake(frame.offsetX, frame.offsetY, frame.width, frame.height), unblendImage); + CFRelease(unblendImage); + } + imageRef = CGBitmapContextCreateImage(_blendCanvas); + CGContextClearRect(_blendCanvas, CGRectMake(frame.offsetX, frame.offsetY, frame.width, frame.height)); + } else { + CGImageRef unblendImage = [self _newUnblendedImageAtIndex:frame.index extendToCanvas:NO decoded:NULL]; + if (unblendImage) { + CGContextClearRect(_blendCanvas, CGRectMake(frame.offsetX, frame.offsetY, frame.width, frame.height)); + CGContextDrawImage(_blendCanvas, CGRectMake(frame.offsetX, frame.offsetY, frame.width, frame.height), unblendImage); + CFRelease(unblendImage); + } + imageRef = CGBitmapContextCreateImage(_blendCanvas); + CGContextClearRect(_blendCanvas, CGRectMake(frame.offsetX, frame.offsetY, frame.width, frame.height)); + } + } else { // no dispose + if (frame.blend == YYImageBlendOver) { + CGImageRef unblendImage = [self _newUnblendedImageAtIndex:frame.index extendToCanvas:NO decoded:NULL]; + if (unblendImage) { + CGContextDrawImage(_blendCanvas, CGRectMake(frame.offsetX, frame.offsetY, frame.width, frame.height), unblendImage); + CFRelease(unblendImage); + } + imageRef = CGBitmapContextCreateImage(_blendCanvas); + } else { + CGImageRef unblendImage = [self _newUnblendedImageAtIndex:frame.index extendToCanvas:NO decoded:NULL]; + if (unblendImage) { + CGContextClearRect(_blendCanvas, CGRectMake(frame.offsetX, frame.offsetY, frame.width, frame.height)); + CGContextDrawImage(_blendCanvas, CGRectMake(frame.offsetX, frame.offsetY, frame.width, frame.height), unblendImage); + CFRelease(unblendImage); + } + imageRef = CGBitmapContextCreateImage(_blendCanvas); + } + } + return imageRef; +} + +@end + + +//////////////////////////////////////////////////////////////////////////////// +#pragma mark - Encoder + +@implementation YYImageEncoder { + NSMutableArray *_images; + NSMutableArray *_durations; +} + +- (instancetype)init { + @throw [NSException exceptionWithName:@"YYImageEncoder init error" reason:@"YYImageEncoder must be initialized with a type. Use 'initWithType:' instead." userInfo:nil]; + return [self initWithType:YYImageTypeUnknown]; +} + +- (instancetype)initWithType:(YYImageType)type { + if (type == YYImageTypeUnknown || type >= YYImageTypeOther) { + NSLog(@"[%s: %d] Unsupported image type:%d",__FUNCTION__, __LINE__, (int)type); + return nil; + } + +#if !YYIMAGE_WEBP_ENABLED + if (type == YYImageTypeWebP) { + NSLog(@"[%s: %d] WebP is not available, check the documentation to see how to install WebP component: https://github.com/ibireme/YYImage#installation", __FUNCTION__, __LINE__); + return nil; + } +#endif + + self = [super init]; + if (!self) return nil; + _type = type; + _images = [NSMutableArray new]; + _durations = [NSMutableArray new]; + + switch (type) { + case YYImageTypeJPEG: + case YYImageTypeJPEG2000: { + _quality = 0.9; + } break; + case YYImageTypeTIFF: + case YYImageTypeBMP: + case YYImageTypeGIF: + case YYImageTypeICO: + case YYImageTypeICNS: + case YYImageTypePNG: { + _quality = 1; + _lossless = YES; + } break; + case YYImageTypeWebP: { + _quality = 0.8; + } break; + default: + break; + } + + return self; +} + +- (void)setQuality:(CGFloat)quality { + _quality = quality < 0 ? 0 : quality > 1 ? 1 : quality; +} + +- (void)addImage:(UIImage *)image duration:(NSTimeInterval)duration { + if (!image.CGImage) return; + duration = duration < 0 ? 0 : duration; + [_images addObject:image]; + [_durations addObject:@(duration)]; +} + +- (void)addImageWithData:(NSData *)data duration:(NSTimeInterval)duration { + if (data.length == 0) return; + duration = duration < 0 ? 0 : duration; + [_images addObject:data]; + [_durations addObject:@(duration)]; +} + +- (void)addImageWithFile:(NSString *)path duration:(NSTimeInterval)duration { + if (path.length == 0) return; + duration = duration < 0 ? 0 : duration; + NSURL *url = [NSURL URLWithString:path]; + if (!url) return; + [_images addObject:url]; + [_durations addObject:@(duration)]; +} + +- (BOOL)_imageIOAvaliable { + switch (_type) { + case YYImageTypeJPEG: + case YYImageTypeJPEG2000: + case YYImageTypeTIFF: + case YYImageTypeBMP: + case YYImageTypeICO: + case YYImageTypeICNS: + case YYImageTypeGIF: { + return _images.count > 0; + } break; + case YYImageTypePNG: { + return _images.count == 1; + } break; + case YYImageTypeWebP: { + return NO; + } break; + default: return NO; + } +} + +- (CGImageDestinationRef)_newImageDestination:(id)dest imageCount:(NSUInteger)count CF_RETURNS_RETAINED { + if (!dest) return nil; + CGImageDestinationRef destination = NULL; + if ([dest isKindOfClass:[NSString class]]) { + NSURL *url = [[NSURL alloc] initFileURLWithPath:dest]; + if (url) { + destination = CGImageDestinationCreateWithURL((CFURLRef)url, YYImageTypeToUTType(_type), count, NULL); + } + } else if ([dest isKindOfClass:[NSMutableData class]]) { + destination = CGImageDestinationCreateWithData((CFMutableDataRef)dest, YYImageTypeToUTType(_type), count, NULL); + } + return destination; +} + +- (void)_encodeImageWithDestination:(CGImageDestinationRef)destination imageCount:(NSUInteger)count { + if (_type == YYImageTypeGIF) { + NSDictionary *gifProperty = @{(__bridge id)kCGImagePropertyGIFDictionary: + @{(__bridge id)kCGImagePropertyGIFLoopCount: @(_loopCount)}}; + CGImageDestinationSetProperties(destination, (__bridge CFDictionaryRef)gifProperty); + } + + for (int i = 0; i < count; i++) { + @autoreleasepool { + id imageSrc = _images[i]; + NSDictionary *frameProperty = NULL; + if (_type == YYImageTypeGIF && count > 1) { + frameProperty = @{(NSString *)kCGImagePropertyGIFDictionary : @{(NSString *) kCGImagePropertyGIFDelayTime:_durations[i]}}; + } else { + frameProperty = @{(id)kCGImageDestinationLossyCompressionQuality : @(_quality)}; + } + + if ([imageSrc isKindOfClass:[UIImage class]]) { + UIImage *image = imageSrc; + if (image.imageOrientation != UIImageOrientationUp && image.CGImage) { + CGBitmapInfo info = CGImageGetBitmapInfo(image.CGImage) | CGImageGetAlphaInfo(image.CGImage); + CGImageRef rotated = YYCGImageCreateCopyWithOrientation(image.CGImage, image.imageOrientation, info); + if (rotated) { + image = [UIImage imageWithCGImage:rotated]; + CFRelease(rotated); + } + } + if (image.CGImage) CGImageDestinationAddImage(destination, ((UIImage *)imageSrc).CGImage, (CFDictionaryRef)frameProperty); + } else if ([imageSrc isKindOfClass:[NSURL class]]) { + CGImageSourceRef source = CGImageSourceCreateWithURL((CFURLRef)imageSrc, NULL); + if (source) { + CGImageDestinationAddImageFromSource(destination, source, 0, (CFDictionaryRef)frameProperty); + CFRelease(source); + } + } else if ([imageSrc isKindOfClass:[NSData class]]) { + CGImageSourceRef source = CGImageSourceCreateWithData((CFDataRef)imageSrc, NULL); + if (source) { + CGImageDestinationAddImageFromSource(destination, source, 0, (CFDictionaryRef)frameProperty); + CFRelease(source); + } + } + } + } +} + +- (CGImageRef)_newCGImageFromIndex:(NSUInteger)index decoded:(BOOL)decoded CF_RETURNS_RETAINED { + UIImage *image = nil; + id imageSrc= _images[index]; + if ([imageSrc isKindOfClass:[UIImage class]]) { + image = imageSrc; + } else if ([imageSrc isKindOfClass:[NSURL class]]) { + image = [UIImage imageWithContentsOfFile:((NSURL *)imageSrc).absoluteString]; + } else if ([imageSrc isKindOfClass:[NSData class]]) { + image = [UIImage imageWithData:imageSrc]; + } + if (!image) return NULL; + CGImageRef imageRef = image.CGImage; + if (!imageRef) return NULL; + if (image.imageOrientation != UIImageOrientationUp) { + return YYCGImageCreateCopyWithOrientation(imageRef, image.imageOrientation, kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst); + } + if (decoded) { + return YYCGImageCreateDecodedCopy(imageRef, YES); + } + return (CGImageRef)CFRetain(imageRef); +} + +- (NSData *)_encodeWithImageIO { + NSMutableData *data = [NSMutableData new]; + NSUInteger count = _type == YYImageTypeGIF ? _images.count : 1; + CGImageDestinationRef destination = [self _newImageDestination:data imageCount:count]; + BOOL suc = NO; + if (destination) { + [self _encodeImageWithDestination:destination imageCount:count]; + suc = CGImageDestinationFinalize(destination); + CFRelease(destination); + } + if (suc && data.length > 0) { + return data; + } else { + return nil; + } +} + +- (BOOL)_encodeWithImageIO:(NSString *)path { + NSUInteger count = _type == YYImageTypeGIF ? _images.count : 1; + CGImageDestinationRef destination = [self _newImageDestination:path imageCount:count]; + BOOL suc = NO; + if (destination) { + [self _encodeImageWithDestination:destination imageCount:count]; + suc = CGImageDestinationFinalize(destination); + CFRelease(destination); + } + return suc; +} + +- (NSData *)_encodeAPNG { + // encode APNG (ImageIO doesn't support APNG encoding, so we use a custom encoder) + NSMutableArray *pngDatas = [NSMutableArray new]; + NSMutableArray *pngSizes = [NSMutableArray new]; + NSUInteger canvasWidth = 0, canvasHeight = 0; + for (int i = 0; i < _images.count; i++) { + CGImageRef decoded = [self _newCGImageFromIndex:i decoded:YES]; + if (!decoded) return nil; + CGSize size = CGSizeMake(CGImageGetWidth(decoded), CGImageGetHeight(decoded)); + [pngSizes addObject:[NSValue valueWithCGSize:size]]; + if (canvasWidth < size.width) canvasWidth = size.width; + if (canvasHeight < size.height) canvasHeight = size.height; + CFDataRef frameData = YYCGImageCreateEncodedData(decoded, YYImageTypePNG, 1); + CFRelease(decoded); + if (!frameData) return nil; + [pngDatas addObject:(__bridge id)(frameData)]; + CFRelease(frameData); + if (size.width < 1 || size.height < 1) return nil; + } + CGSize firstFrameSize = [(NSValue *)[pngSizes firstObject] CGSizeValue]; + if (firstFrameSize.width < canvasWidth || firstFrameSize.height < canvasHeight) { + CGImageRef decoded = [self _newCGImageFromIndex:0 decoded:YES]; + if (!decoded) return nil; + CGContextRef context = CGBitmapContextCreate(NULL, canvasWidth, canvasHeight, 8, + 0, YYCGColorSpaceGetDeviceRGB(), kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst); + if (!context) { + CFRelease(decoded); + return nil; + } + CGContextDrawImage(context, CGRectMake(0, canvasHeight - firstFrameSize.height, firstFrameSize.width, firstFrameSize.height), decoded); + CFRelease(decoded); + CGImageRef extendedImage = CGBitmapContextCreateImage(context); + CFRelease(context); + if (!extendedImage) return nil; + CFDataRef frameData = YYCGImageCreateEncodedData(extendedImage, YYImageTypePNG, 1); + if (!frameData) { + CFRelease(extendedImage); + return nil; + } + pngDatas[0] = (__bridge id)(frameData); + CFRelease(frameData); + } + + NSData *firstFrameData = pngDatas[0]; + yy_png_info *info = yy_png_info_create(firstFrameData.bytes, (uint32_t)firstFrameData.length); + if (!info) return nil; + NSMutableData *result = [NSMutableData new]; + BOOL insertBefore = NO, insertAfter = NO; + uint32_t apngSequenceIndex = 0; + + uint32_t png_header[2]; + png_header[0] = YY_FOUR_CC(0x89, 0x50, 0x4E, 0x47); + png_header[1] = YY_FOUR_CC(0x0D, 0x0A, 0x1A, 0x0A); + + [result appendBytes:png_header length:8]; + + for (int i = 0; i < info->chunk_num; i++) { + yy_png_chunk_info *chunk = info->chunks + i; + + if (!insertBefore && chunk->fourcc == YY_FOUR_CC('I', 'D', 'A', 'T')) { + insertBefore = YES; + // insert acTL (APNG Control) + uint32_t acTL[5] = {0}; + acTL[0] = yy_swap_endian_uint32(8); //length + acTL[1] = YY_FOUR_CC('a', 'c', 'T', 'L'); // fourcc + acTL[2] = yy_swap_endian_uint32((uint32_t)pngDatas.count); // num frames + acTL[3] = yy_swap_endian_uint32((uint32_t)_loopCount); // num plays + acTL[4] = yy_swap_endian_uint32((uint32_t)crc32(0, (const Bytef *)(acTL + 1), 12)); //crc32 + [result appendBytes:acTL length:20]; + + // insert fcTL (first frame control) + yy_png_chunk_fcTL chunk_fcTL = {0}; + chunk_fcTL.sequence_number = apngSequenceIndex; + chunk_fcTL.width = (uint32_t)firstFrameSize.width; + chunk_fcTL.height = (uint32_t)firstFrameSize.height; + yy_png_delay_to_fraction([(NSNumber *)_durations[0] doubleValue], &chunk_fcTL.delay_num, &chunk_fcTL.delay_den); + chunk_fcTL.delay_num = chunk_fcTL.delay_num; + chunk_fcTL.delay_den = chunk_fcTL.delay_den; + chunk_fcTL.dispose_op = YY_PNG_DISPOSE_OP_BACKGROUND; + chunk_fcTL.blend_op = YY_PNG_BLEND_OP_SOURCE; + + uint8_t fcTL[38] = {0}; + *((uint32_t *)fcTL) = yy_swap_endian_uint32(26); //length + *((uint32_t *)(fcTL + 4)) = YY_FOUR_CC('f', 'c', 'T', 'L'); // fourcc + yy_png_chunk_fcTL_write(&chunk_fcTL, fcTL + 8); + *((uint32_t *)(fcTL + 34)) = yy_swap_endian_uint32((uint32_t)crc32(0, (const Bytef *)(fcTL + 4), 30)); + [result appendBytes:fcTL length:38]; + + apngSequenceIndex++; + } + + if (!insertAfter && insertBefore && chunk->fourcc != YY_FOUR_CC('I', 'D', 'A', 'T')) { + insertAfter = YES; + // insert fcTL and fdAT (APNG frame control and data) + + for (int i = 1; i < pngDatas.count; i++) { + NSData *frameData = pngDatas[i]; + yy_png_info *frame = yy_png_info_create(frameData.bytes, (uint32_t)frameData.length); + if (!frame) { + yy_png_info_release(info); + return nil; + } + + // insert fcTL (first frame control) + yy_png_chunk_fcTL chunk_fcTL = {0}; + chunk_fcTL.sequence_number = apngSequenceIndex; + chunk_fcTL.width = frame->header.width; + chunk_fcTL.height = frame->header.height; + yy_png_delay_to_fraction([(NSNumber *)_durations[i] doubleValue], &chunk_fcTL.delay_num, &chunk_fcTL.delay_den); + chunk_fcTL.delay_num = chunk_fcTL.delay_num; + chunk_fcTL.delay_den = chunk_fcTL.delay_den; + chunk_fcTL.dispose_op = YY_PNG_DISPOSE_OP_BACKGROUND; + chunk_fcTL.blend_op = YY_PNG_BLEND_OP_SOURCE; + + uint8_t fcTL[38] = {0}; + *((uint32_t *)fcTL) = yy_swap_endian_uint32(26); //length + *((uint32_t *)(fcTL + 4)) = YY_FOUR_CC('f', 'c', 'T', 'L'); // fourcc + yy_png_chunk_fcTL_write(&chunk_fcTL, fcTL + 8); + *((uint32_t *)(fcTL + 34)) = yy_swap_endian_uint32((uint32_t)crc32(0, (const Bytef *)(fcTL + 4), 30)); + [result appendBytes:fcTL length:38]; + + apngSequenceIndex++; + + // insert fdAT (frame data) + for (int d = 0; d < frame->chunk_num; d++) { + yy_png_chunk_info *dchunk = frame->chunks + d; + if (dchunk->fourcc == YY_FOUR_CC('I', 'D', 'A', 'T')) { + uint32_t length = yy_swap_endian_uint32(dchunk->length + 4); + [result appendBytes:&length length:4]; //length + uint32_t fourcc = YY_FOUR_CC('f', 'd', 'A', 'T'); + [result appendBytes:&fourcc length:4]; //fourcc + uint32_t sq = yy_swap_endian_uint32(apngSequenceIndex); + [result appendBytes:&sq length:4]; //data (sq) + [result appendBytes:(((uint8_t *)frameData.bytes) + dchunk->offset + 8) length:dchunk->length]; //data + uint8_t *bytes = ((uint8_t *)result.bytes) + result.length - dchunk->length - 8; + uint32_t crc = yy_swap_endian_uint32((uint32_t)crc32(0, bytes, dchunk->length + 8)); + [result appendBytes:&crc length:4]; //crc + + apngSequenceIndex++; + } + } + yy_png_info_release(frame); + } + } + + [result appendBytes:((uint8_t *)firstFrameData.bytes) + chunk->offset length:chunk->length + 12]; + } + yy_png_info_release(info); + return result; +} + +- (NSData *)_encodeWebP { +#if YYIMAGE_WEBP_ENABLED + // encode webp + NSMutableArray *webpDatas = [NSMutableArray new]; + for (NSUInteger i = 0; i < _images.count; i++) { + CGImageRef image = [self _newCGImageFromIndex:i decoded:NO]; + if (!image) return nil; + CFDataRef frameData = YYCGImageCreateEncodedWebPData(image, _lossless, _quality, 4, YYImagePresetDefault); + CFRelease(image); + if (!frameData) return nil; + [webpDatas addObject:(__bridge id)frameData]; + CFRelease(frameData); + } + if (webpDatas.count == 1) { + return webpDatas.firstObject; + } else { + // multi-frame webp + WebPMux *mux = WebPMuxNew(); + if (!mux) return nil; + for (NSUInteger i = 0; i < _images.count; i++) { + NSData *data = webpDatas[i]; + NSNumber *duration = _durations[i]; + WebPMuxFrameInfo frame = {0}; + frame.bitstream.bytes = data.bytes; + frame.bitstream.size = data.length; + frame.duration = (int)(duration.floatValue * 1000.0); + frame.id = WEBP_CHUNK_ANMF; + frame.dispose_method = WEBP_MUX_DISPOSE_BACKGROUND; + frame.blend_method = WEBP_MUX_NO_BLEND; + if (WebPMuxPushFrame(mux, &frame, 0) != WEBP_MUX_OK) { + WebPMuxDelete(mux); + return nil; + } + } + + WebPMuxAnimParams params = {(uint32_t)0, (int)_loopCount}; + if (WebPMuxSetAnimationParams(mux, ¶ms) != WEBP_MUX_OK) { + WebPMuxDelete(mux); + return nil; + } + + WebPData output_data; + WebPMuxError error = WebPMuxAssemble(mux, &output_data); + WebPMuxDelete(mux); + if (error != WEBP_MUX_OK) { + return nil; + } + NSData *result = [NSData dataWithBytes:output_data.bytes length:output_data.size]; + WebPDataClear(&output_data); + return result.length ? result : nil; + } +#else + return nil; +#endif +} +- (NSData *)encode { + if (_images.count == 0) return nil; + + if ([self _imageIOAvaliable]) return [self _encodeWithImageIO]; + if (_type == YYImageTypePNG) return [self _encodeAPNG]; + if (_type == YYImageTypeWebP) return [self _encodeWebP]; + return nil; +} + +- (BOOL)encodeToFile:(NSString *)path { + if (_images.count == 0 || path.length == 0) return NO; + + if ([self _imageIOAvaliable]) return [self _encodeWithImageIO:path]; + NSData *data = [self encode]; + if (!data) return NO; + return [data writeToFile:path atomically:YES]; +} + ++ (NSData *)encodeImage:(UIImage *)image type:(YYImageType)type quality:(CGFloat)quality { + YYImageEncoder *encoder = [[YYImageEncoder alloc] initWithType:type]; + encoder.quality = quality; + [encoder addImage:image duration:0]; + return [encoder encode]; +} + ++ (NSData *)encodeImageWithDecoder:(YYImageDecoder *)decoder type:(YYImageType)type quality:(CGFloat)quality { + if (!decoder || decoder.frameCount == 0) return nil; + YYImageEncoder *encoder = [[YYImageEncoder alloc] initWithType:type]; + encoder.quality = quality; + for (int i = 0; i < decoder.frameCount; i++) { + UIImage *frame = [decoder frameAtIndex:i decodeForDisplay:YES].image; + [encoder addImageWithData:UIImagePNGRepresentation(frame) duration:[decoder frameDurationAtIndex:i]]; + } + return encoder.encode; +} + +@end + + +@implementation UIImage (YYImageCoder) + +- (instancetype)yy_imageByDecoded { + if (self.yy_isDecodedForDisplay) return self; + CGImageRef imageRef = self.CGImage; + if (!imageRef) return self; + CGImageRef newImageRef = YYCGImageCreateDecodedCopy(imageRef, YES); + if (!newImageRef) return self; + UIImage *newImage = [[self.class alloc] initWithCGImage:newImageRef scale:self.scale orientation:self.imageOrientation]; + CGImageRelease(newImageRef); + if (!newImage) newImage = self; // decode failed, return self. + newImage.yy_isDecodedForDisplay = YES; + return newImage; +} + +- (BOOL)yy_isDecodedForDisplay { + if (self.images.count > 1 || [self isKindOfClass:[YYSpriteSheetImage class]]) return YES; + NSNumber *num = objc_getAssociatedObject(self, @selector(yy_isDecodedForDisplay)); + return [num boolValue]; +} + +- (void)setYy_isDecodedForDisplay:(BOOL)isDecodedForDisplay { + objc_setAssociatedObject(self, @selector(yy_isDecodedForDisplay), @(isDecodedForDisplay), OBJC_ASSOCIATION_RETAIN_NONATOMIC); +} + +- (void)yy_saveToAlbumWithCompletionBlock:(void(^)(NSURL *assetURL, NSError *error))completionBlock { + dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ + NSData *data = [self _yy_dataRepresentationForSystem:YES]; + ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init]; + [library writeImageDataToSavedPhotosAlbum:data metadata:nil completionBlock:^(NSURL *assetURL, NSError *error){ + if (!completionBlock) return; + if (pthread_main_np()) { + completionBlock(assetURL, error); + } else { + dispatch_async(dispatch_get_main_queue(), ^{ + completionBlock(assetURL, error); + }); + } + }]; + }); +} + +- (NSData *)yy_imageDataRepresentation { + return [self _yy_dataRepresentationForSystem:NO]; +} + +/// @param forSystem YES: used for system album (PNG/JPEG/GIF), NO: used for YYImage (PNG/JPEG/GIF/WebP) +- (NSData *)_yy_dataRepresentationForSystem:(BOOL)forSystem { + NSData *data = nil; + if ([self isKindOfClass:[YYImage class]]) { + YYImage *image = (id)self; + if (image.animatedImageData) { + if (forSystem) { // system only support GIF and PNG + if (image.animatedImageType == YYImageTypeGIF || + image.animatedImageType == YYImageTypePNG) { + data = image.animatedImageData; + } + } else { + data = image.animatedImageData; + } + } + } + if (!data) { + CGImageRef imageRef = self.CGImage ? (CGImageRef)CFRetain(self.CGImage) : nil; + if (imageRef) { + CGBitmapInfo bitmapInfo = CGImageGetBitmapInfo(imageRef); + CGImageAlphaInfo alphaInfo = CGImageGetAlphaInfo(imageRef) & kCGBitmapAlphaInfoMask; + BOOL hasAlpha = NO; + if (alphaInfo == kCGImageAlphaPremultipliedLast || + alphaInfo == kCGImageAlphaPremultipliedFirst || + alphaInfo == kCGImageAlphaLast || + alphaInfo == kCGImageAlphaFirst) { + hasAlpha = YES; + } + if (self.imageOrientation != UIImageOrientationUp) { + CGImageRef rotated = YYCGImageCreateCopyWithOrientation(imageRef, self.imageOrientation, bitmapInfo | alphaInfo); + if (rotated) { + CFRelease(imageRef); + imageRef = rotated; + } + } + @autoreleasepool { + UIImage *newImage = [UIImage imageWithCGImage:imageRef]; + if (newImage) { + if (hasAlpha) { + data = UIImagePNGRepresentation([UIImage imageWithCGImage:imageRef]); + } else { + data = UIImageJPEGRepresentation([UIImage imageWithCGImage:imageRef], 0.9); // same as Apple's example + } + } + } + CFRelease(imageRef); + } + } + if (!data) { + data = UIImagePNGRepresentation(self); + } + return data; +} + +@end diff --git a/ProductApp/Pods/YYImage/YYImage/YYSpriteSheetImage.h b/ProductApp/Pods/YYImage/YYImage/YYSpriteSheetImage.h new file mode 100644 index 0000000..403bbf5 --- /dev/null +++ b/ProductApp/Pods/YYImage/YYImage/YYSpriteSheetImage.h @@ -0,0 +1,104 @@ +// +// YYSpriteImage.h +// YYImage +// +// Created by ibireme on 15/4/21. +// Copyright (c) 2015 ibireme. +// +// This source code is licensed under the MIT-style license found in the +// LICENSE file in the root directory of this source tree. +// + +#import + +#if __has_include() +#import +#elif __has_include() +#import +#else +#import "YYAnimatedImageView.h" +#endif + +NS_ASSUME_NONNULL_BEGIN + +/** + An image to display sprite sheet animation. + + @discussion It is a fully compatible `UIImage` subclass. + The animation can be played by YYAnimatedImageView. + + Sample Code: + + // 8 * 12 sprites in a single sheet image + UIImage *spriteSheet = [UIImage imageNamed:@"sprite-sheet"]; + NSMutableArray *contentRects = [NSMutableArray new]; + NSMutableArray *durations = [NSMutableArray new]; + for (int j = 0; j < 12; j++) { + for (int i = 0; i < 8; i++) { + CGRect rect; + rect.size = CGSizeMake(img.size.width / 8, img.size.height / 12); + rect.origin.x = img.size.width / 8 * i; + rect.origin.y = img.size.height / 12 * j; + [contentRects addObject:[NSValue valueWithCGRect:rect]]; + [durations addObject:@(1 / 60.0)]; + } + } + YYSpriteSheetImage *sprite; + sprite = [[YYSpriteSheetImage alloc] initWithSpriteSheetImage:img + contentRects:contentRects + frameDurations:durations + loopCount:0]; + YYAnimatedImageView *imgView = [YYAnimatedImageView new]; + imgView.size = CGSizeMake(img.size.width / 8, img.size.height / 12); + imgView.image = sprite; + + + + @discussion It can also be used to display single frame in sprite sheet image. + Sample Code: + + YYSpriteSheetImage *sheet = ...; + UIImageView *imageView = ...; + imageView.image = sheet; + imageView.layer.contentsRect = [sheet contentsRectForCALayerAtIndex:6]; + + */ +@interface YYSpriteSheetImage : UIImage + +/** + Creates and returns an image object. + + @param image The sprite sheet image (contains all frames). + + @param contentRects The sprite sheet image frame rects in the image coordinates. + The rectangle should not outside the image's bounds. The objects in this array + should be created with [NSValue valueWithCGRect:]. + + @param frameDurations The sprite sheet image frame's durations in seconds. + The objects in this array should be NSNumber. + + @param loopCount Animation loop count, 0 means infinite looping. + + @return An image object, or nil if an error occurs. + */ +- (nullable instancetype)initWithSpriteSheetImage:(UIImage *)image + contentRects:(NSArray *)contentRects + frameDurations:(NSArray *)frameDurations + loopCount:(NSUInteger)loopCount; + +@property (nonatomic, readonly) NSArray *contentRects; +@property (nonatomic, readonly) NSArray *frameDurations; +@property (nonatomic, readonly) NSUInteger loopCount; + +/** + Get the contents rect for CALayer. + See "contentsRect" property in CALayer for more information. + + @param index Index of frame. + @return Contents Rect. + */ +- (CGRect)contentsRectForCALayerAtIndex:(NSUInteger)index; + +@end + +NS_ASSUME_NONNULL_END diff --git a/ProductApp/Pods/YYImage/YYImage/YYSpriteSheetImage.m b/ProductApp/Pods/YYImage/YYImage/YYSpriteSheetImage.m new file mode 100644 index 0000000..f5a0d77 --- /dev/null +++ b/ProductApp/Pods/YYImage/YYImage/YYSpriteSheetImage.m @@ -0,0 +1,80 @@ +// +// YYSpriteImage.m +// YYImage +// +// Created by ibireme on 15/4/21. +// Copyright (c) 2015 ibireme. +// +// This source code is licensed under the MIT-style license found in the +// LICENSE file in the root directory of this source tree. +// + +#import "YYSpriteSheetImage.h" + +@implementation YYSpriteSheetImage + +- (instancetype)initWithSpriteSheetImage:(UIImage *)image + contentRects:(NSArray *)contentRects + frameDurations:(NSArray *)frameDurations + loopCount:(NSUInteger)loopCount { + if (!image.CGImage) return nil; + if (contentRects.count < 1 || frameDurations.count < 1) return nil; + if (contentRects.count != frameDurations.count) return nil; + + self = [super initWithCGImage:image.CGImage scale:image.scale orientation:image.imageOrientation]; + if (!self) return nil; + + _contentRects = contentRects.copy; + _frameDurations = frameDurations.copy; + _loopCount = loopCount; + return self; +} + +- (CGRect)contentsRectForCALayerAtIndex:(NSUInteger)index { + CGRect layerRect = CGRectMake(0, 0, 1, 1); + if (index >= _contentRects.count) return layerRect; + + CGSize imageSize = self.size; + CGRect rect = [self animatedImageContentsRectAtIndex:index]; + if (imageSize.width > 0.01 && imageSize.height > 0.01) { + layerRect.origin.x = rect.origin.x / imageSize.width; + layerRect.origin.y = rect.origin.y / imageSize.height; + layerRect.size.width = rect.size.width / imageSize.width; + layerRect.size.height = rect.size.height / imageSize.height; + layerRect = CGRectIntersection(layerRect, CGRectMake(0, 0, 1, 1)); + if (CGRectIsNull(layerRect) || CGRectIsEmpty(layerRect)) { + layerRect = CGRectMake(0, 0, 1, 1); + } + } + return layerRect; +} + +#pragma mark @protocol YYAnimatedImage + +- (NSUInteger)animatedImageFrameCount { + return _contentRects.count; +} + +- (NSUInteger)animatedImageLoopCount { + return _loopCount; +} + +- (NSUInteger)animatedImageBytesPerFrame { + return 0; +} + +- (UIImage *)animatedImageFrameAtIndex:(NSUInteger)index { + return self; +} + +- (NSTimeInterval)animatedImageDurationAtIndex:(NSUInteger)index { + if (index >= _frameDurations.count) return 0; + return ((NSNumber *)_frameDurations[index]).doubleValue; +} + +- (CGRect)animatedImageContentsRectAtIndex:(NSUInteger)index { + if (index >= _contentRects.count) return CGRectZero; + return ((NSValue *)_contentRects[index]).CGRectValue; +} + +@end diff --git a/ProductApp/Pods/libwebp/COPYING b/ProductApp/Pods/libwebp/COPYING new file mode 100644 index 0000000..7a6f995 --- /dev/null +++ b/ProductApp/Pods/libwebp/COPYING @@ -0,0 +1,30 @@ +Copyright (c) 2010, Google Inc. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + + * Neither the name of Google nor the names of its contributors may + be used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + diff --git a/ProductApp/Pods/libwebp/README.md b/ProductApp/Pods/libwebp/README.md new file mode 100644 index 0000000..a9f2c0e --- /dev/null +++ b/ProductApp/Pods/libwebp/README.md @@ -0,0 +1,53 @@ +# WebP Codec + +``` + __ __ ____ ____ ____ + / \\/ \/ _ \/ _ )/ _ \ + \ / __/ _ \ __/ + \__\__/\____/\_____/__/ ____ ___ + / _/ / \ \ / _ \/ _/ + / \_/ / / \ \ __/ \__ + \____/____/\_____/_____/____/v1.3.2 +``` + +WebP codec is a library to encode and decode images in WebP format. This package +contains the library that can be used in other programs to add WebP support, as +well as the command line tools 'cwebp' and 'dwebp' to compress and decompress +images respectively. + +See https://developers.google.com/speed/webp for details on the image format. + +The latest source tree is available at +https://chromium.googlesource.com/webm/libwebp + +It is released under the same license as the WebM project. See +https://www.webmproject.org/license/software/ or the "COPYING" file for details. +An additional intellectual property rights grant can be found in the file +PATENTS. + +## Building + +See the [building documentation](doc/building.md). + +## Encoding and Decoding Tools + +The examples/ directory contains tools to encode and decode images and +animations, view information about WebP images, and more. See the +[tools documentation](doc/tools.md). + +## APIs + +See the [APIs documentation](doc/api.md), and API usage examples in the +`examples/` directory. + +## Bugs + +Please report all bugs to the issue tracker: https://bugs.chromium.org/p/webp + +Patches welcome! See [how to contribute](CONTRIBUTING.md). + +## Discuss + +Email: webp-discuss@webmproject.org + +Web: https://groups.google.com/a/webmproject.org/group/webp-discuss diff --git a/ProductApp/Pods/libwebp/sharpyuv/Makefile.am b/ProductApp/Pods/libwebp/sharpyuv/Makefile.am new file mode 100644 index 0000000..8d9ba7c --- /dev/null +++ b/ProductApp/Pods/libwebp/sharpyuv/Makefile.am @@ -0,0 +1,41 @@ +AM_CPPFLAGS += -I$(top_builddir) -I$(top_srcdir) +AM_CPPFLAGS += -I$(top_builddir)/src -I$(top_srcdir)/src + +lib_LTLIBRARIES = libsharpyuv.la + +noinst_LTLIBRARIES = +noinst_LTLIBRARIES += libsharpyuv_sse2.la +noinst_LTLIBRARIES += libsharpyuv_neon.la + +libsharpyuvinclude_HEADERS = +libsharpyuvinclude_HEADERS += sharpyuv.h +libsharpyuvinclude_HEADERS += sharpyuv_csp.h +noinst_HEADERS = +noinst_HEADERS += ../src/dsp/cpu.c +noinst_HEADERS += ../src/dsp/cpu.h +noinst_HEADERS += ../src/webp/types.h + +libsharpyuv_sse2_la_SOURCES = +libsharpyuv_sse2_la_SOURCES += sharpyuv_sse2.c +libsharpyuv_sse2_la_CPPFLAGS = $(libsharpyuv_la_CPPFLAGS) +libsharpyuv_sse2_la_CFLAGS = $(AM_CFLAGS) $(SSE2_FLAGS) + +libsharpyuv_neon_la_SOURCES = +libsharpyuv_neon_la_SOURCES += sharpyuv_neon.c +libsharpyuv_neon_la_CPPFLAGS = $(libsharpyuv_la_CPPFLAGS) +libsharpyuv_neon_la_CFLAGS = $(AM_CFLAGS) $(NEON_FLAGS) + +libsharpyuv_la_SOURCES = +libsharpyuv_la_SOURCES += sharpyuv_cpu.c sharpyuv_cpu.h +libsharpyuv_la_SOURCES += sharpyuv_csp.c sharpyuv_csp.h +libsharpyuv_la_SOURCES += sharpyuv_dsp.c sharpyuv_dsp.h +libsharpyuv_la_SOURCES += sharpyuv_gamma.c sharpyuv_gamma.h +libsharpyuv_la_SOURCES += sharpyuv.c sharpyuv.h + +libsharpyuv_la_CPPFLAGS = $(AM_CPPFLAGS) +libsharpyuv_la_LDFLAGS = -no-undefined -version-info 0:1:0 -lm +libsharpyuv_la_LIBADD = +libsharpyuv_la_LIBADD += libsharpyuv_sse2.la +libsharpyuv_la_LIBADD += libsharpyuv_neon.la +libsharpyuvincludedir = $(includedir)/webp/sharpyuv +pkgconfig_DATA = libsharpyuv.pc diff --git a/ProductApp/Pods/libwebp/sharpyuv/libsharpyuv.pc.in b/ProductApp/Pods/libwebp/sharpyuv/libsharpyuv.pc.in new file mode 100644 index 0000000..0fb565a --- /dev/null +++ b/ProductApp/Pods/libwebp/sharpyuv/libsharpyuv.pc.in @@ -0,0 +1,11 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@/webp + +Name: libsharpyuv +Description: Library for sharp RGB to YUV conversion +Version: @PACKAGE_VERSION@ +Cflags: -I${includedir} +Libs: -L${libdir} -l@webp_libname_prefix@sharpyuv +Libs.private: -lm @PTHREAD_CFLAGS@ @PTHREAD_LIBS@ diff --git a/ProductApp/Pods/libwebp/sharpyuv/libsharpyuv.rc b/ProductApp/Pods/libwebp/sharpyuv/libsharpyuv.rc new file mode 100644 index 0000000..49c338a --- /dev/null +++ b/ProductApp/Pods/libwebp/sharpyuv/libsharpyuv.rc @@ -0,0 +1,41 @@ +#define APSTUDIO_READONLY_SYMBOLS +#include "winres.h" +#undef APSTUDIO_READONLY_SYMBOLS + +#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) +LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US + +VS_VERSION_INFO VERSIONINFO + FILEVERSION 0,0,2,1 + PRODUCTVERSION 0,0,2,1 + FILEFLAGSMASK 0x3fL +#ifdef _DEBUG + FILEFLAGS 0x1L +#else + FILEFLAGS 0x0L +#endif + FILEOS 0x40004L + FILETYPE 0x2L + FILESUBTYPE 0x0L +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904b0" + BEGIN + VALUE "CompanyName", "Google, Inc." + VALUE "FileDescription", "libsharpyuv DLL" + VALUE "FileVersion", "0.2.1" + VALUE "InternalName", "libsharpyuv.dll" + VALUE "LegalCopyright", "Copyright (C) 2023" + VALUE "OriginalFilename", "libsharpyuv.dll" + VALUE "ProductName", "SharpYuv Library" + VALUE "ProductVersion", "0.2.1" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1200 + END +END + +#endif // English (United States) resources diff --git a/ProductApp/Pods/libwebp/sharpyuv/sharpyuv.c b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv.c new file mode 100644 index 0000000..a074564 --- /dev/null +++ b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv.c @@ -0,0 +1,527 @@ +// Copyright 2022 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Sharp RGB to YUV conversion. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "sharpyuv/sharpyuv.h" + +#include +#include +#include +#include +#include + +#include "src/webp/types.h" +#include "sharpyuv/sharpyuv_cpu.h" +#include "sharpyuv/sharpyuv_dsp.h" +#include "sharpyuv/sharpyuv_gamma.h" + +//------------------------------------------------------------------------------ + +int SharpYuvGetVersion(void) { + return SHARPYUV_VERSION; +} + +//------------------------------------------------------------------------------ +// Sharp RGB->YUV conversion + +static const int kNumIterations = 4; + +#define YUV_FIX 16 // fixed-point precision for RGB->YUV +static const int kYuvHalf = 1 << (YUV_FIX - 1); + +// Max bit depth so that intermediate calculations fit in 16 bits. +static const int kMaxBitDepth = 14; + +// Returns the precision shift to use based on the input rgb_bit_depth. +static int GetPrecisionShift(int rgb_bit_depth) { + // Try to add 2 bits of precision if it fits in kMaxBitDepth. Otherwise remove + // bits if needed. + return ((rgb_bit_depth + 2) <= kMaxBitDepth) ? 2 + : (kMaxBitDepth - rgb_bit_depth); +} + +typedef int16_t fixed_t; // signed type with extra precision for UV +typedef uint16_t fixed_y_t; // unsigned type with extra precision for W + +//------------------------------------------------------------------------------ + +static uint8_t clip_8b(fixed_t v) { + return (!(v & ~0xff)) ? (uint8_t)v : (v < 0) ? 0u : 255u; +} + +static uint16_t clip(fixed_t v, int max) { + return (v < 0) ? 0 : (v > max) ? max : (uint16_t)v; +} + +static fixed_y_t clip_bit_depth(int y, int bit_depth) { + const int max = (1 << bit_depth) - 1; + return (!(y & ~max)) ? (fixed_y_t)y : (y < 0) ? 0 : max; +} + +//------------------------------------------------------------------------------ + +static int RGBToGray(int64_t r, int64_t g, int64_t b) { + const int64_t luma = 13933 * r + 46871 * g + 4732 * b + kYuvHalf; + return (int)(luma >> YUV_FIX); +} + +static uint32_t ScaleDown(uint16_t a, uint16_t b, uint16_t c, uint16_t d, + int rgb_bit_depth) { + const int bit_depth = rgb_bit_depth + GetPrecisionShift(rgb_bit_depth); + const uint32_t A = SharpYuvGammaToLinear(a, bit_depth); + const uint32_t B = SharpYuvGammaToLinear(b, bit_depth); + const uint32_t C = SharpYuvGammaToLinear(c, bit_depth); + const uint32_t D = SharpYuvGammaToLinear(d, bit_depth); + return SharpYuvLinearToGamma((A + B + C + D + 2) >> 2, bit_depth); +} + +static WEBP_INLINE void UpdateW(const fixed_y_t* src, fixed_y_t* dst, int w, + int rgb_bit_depth) { + const int bit_depth = rgb_bit_depth + GetPrecisionShift(rgb_bit_depth); + int i; + for (i = 0; i < w; ++i) { + const uint32_t R = SharpYuvGammaToLinear(src[0 * w + i], bit_depth); + const uint32_t G = SharpYuvGammaToLinear(src[1 * w + i], bit_depth); + const uint32_t B = SharpYuvGammaToLinear(src[2 * w + i], bit_depth); + const uint32_t Y = RGBToGray(R, G, B); + dst[i] = (fixed_y_t)SharpYuvLinearToGamma(Y, bit_depth); + } +} + +static void UpdateChroma(const fixed_y_t* src1, const fixed_y_t* src2, + fixed_t* dst, int uv_w, int rgb_bit_depth) { + int i; + for (i = 0; i < uv_w; ++i) { + const int r = + ScaleDown(src1[0 * uv_w + 0], src1[0 * uv_w + 1], src2[0 * uv_w + 0], + src2[0 * uv_w + 1], rgb_bit_depth); + const int g = + ScaleDown(src1[2 * uv_w + 0], src1[2 * uv_w + 1], src2[2 * uv_w + 0], + src2[2 * uv_w + 1], rgb_bit_depth); + const int b = + ScaleDown(src1[4 * uv_w + 0], src1[4 * uv_w + 1], src2[4 * uv_w + 0], + src2[4 * uv_w + 1], rgb_bit_depth); + const int W = RGBToGray(r, g, b); + dst[0 * uv_w] = (fixed_t)(r - W); + dst[1 * uv_w] = (fixed_t)(g - W); + dst[2 * uv_w] = (fixed_t)(b - W); + dst += 1; + src1 += 2; + src2 += 2; + } +} + +static void StoreGray(const fixed_y_t* rgb, fixed_y_t* y, int w) { + int i; + assert(w > 0); + for (i = 0; i < w; ++i) { + y[i] = RGBToGray(rgb[0 * w + i], rgb[1 * w + i], rgb[2 * w + i]); + } +} + +//------------------------------------------------------------------------------ + +static WEBP_INLINE fixed_y_t Filter2(int A, int B, int W0, int bit_depth) { + const int v0 = (A * 3 + B + 2) >> 2; + return clip_bit_depth(v0 + W0, bit_depth); +} + +//------------------------------------------------------------------------------ + +static WEBP_INLINE int Shift(int v, int shift) { + return (shift >= 0) ? (v << shift) : (v >> -shift); +} + +static void ImportOneRow(const uint8_t* const r_ptr, + const uint8_t* const g_ptr, + const uint8_t* const b_ptr, + int rgb_step, + int rgb_bit_depth, + int pic_width, + fixed_y_t* const dst) { + // Convert the rgb_step from a number of bytes to a number of uint8_t or + // uint16_t values depending the bit depth. + const int step = (rgb_bit_depth > 8) ? rgb_step / 2 : rgb_step; + int i; + const int w = (pic_width + 1) & ~1; + for (i = 0; i < pic_width; ++i) { + const int off = i * step; + const int shift = GetPrecisionShift(rgb_bit_depth); + if (rgb_bit_depth == 8) { + dst[i + 0 * w] = Shift(r_ptr[off], shift); + dst[i + 1 * w] = Shift(g_ptr[off], shift); + dst[i + 2 * w] = Shift(b_ptr[off], shift); + } else { + dst[i + 0 * w] = Shift(((uint16_t*)r_ptr)[off], shift); + dst[i + 1 * w] = Shift(((uint16_t*)g_ptr)[off], shift); + dst[i + 2 * w] = Shift(((uint16_t*)b_ptr)[off], shift); + } + } + if (pic_width & 1) { // replicate rightmost pixel + dst[pic_width + 0 * w] = dst[pic_width + 0 * w - 1]; + dst[pic_width + 1 * w] = dst[pic_width + 1 * w - 1]; + dst[pic_width + 2 * w] = dst[pic_width + 2 * w - 1]; + } +} + +static void InterpolateTwoRows(const fixed_y_t* const best_y, + const fixed_t* prev_uv, + const fixed_t* cur_uv, + const fixed_t* next_uv, + int w, + fixed_y_t* out1, + fixed_y_t* out2, + int rgb_bit_depth) { + const int uv_w = w >> 1; + const int len = (w - 1) >> 1; // length to filter + int k = 3; + const int bit_depth = rgb_bit_depth + GetPrecisionShift(rgb_bit_depth); + while (k-- > 0) { // process each R/G/B segments in turn + // special boundary case for i==0 + out1[0] = Filter2(cur_uv[0], prev_uv[0], best_y[0], bit_depth); + out2[0] = Filter2(cur_uv[0], next_uv[0], best_y[w], bit_depth); + + SharpYuvFilterRow(cur_uv, prev_uv, len, best_y + 0 + 1, out1 + 1, + bit_depth); + SharpYuvFilterRow(cur_uv, next_uv, len, best_y + w + 1, out2 + 1, + bit_depth); + + // special boundary case for i == w - 1 when w is even + if (!(w & 1)) { + out1[w - 1] = Filter2(cur_uv[uv_w - 1], prev_uv[uv_w - 1], + best_y[w - 1 + 0], bit_depth); + out2[w - 1] = Filter2(cur_uv[uv_w - 1], next_uv[uv_w - 1], + best_y[w - 1 + w], bit_depth); + } + out1 += w; + out2 += w; + prev_uv += uv_w; + cur_uv += uv_w; + next_uv += uv_w; + } +} + +static WEBP_INLINE int RGBToYUVComponent(int r, int g, int b, + const int coeffs[4], int sfix) { + const int srounder = 1 << (YUV_FIX + sfix - 1); + const int luma = coeffs[0] * r + coeffs[1] * g + coeffs[2] * b + + coeffs[3] + srounder; + return (luma >> (YUV_FIX + sfix)); +} + +static int ConvertWRGBToYUV(const fixed_y_t* best_y, const fixed_t* best_uv, + uint8_t* y_ptr, int y_stride, uint8_t* u_ptr, + int u_stride, uint8_t* v_ptr, int v_stride, + int rgb_bit_depth, + int yuv_bit_depth, int width, int height, + const SharpYuvConversionMatrix* yuv_matrix) { + int i, j; + const fixed_t* const best_uv_base = best_uv; + const int w = (width + 1) & ~1; + const int h = (height + 1) & ~1; + const int uv_w = w >> 1; + const int uv_h = h >> 1; + const int sfix = GetPrecisionShift(rgb_bit_depth); + const int yuv_max = (1 << yuv_bit_depth) - 1; + + for (best_uv = best_uv_base, j = 0; j < height; ++j) { + for (i = 0; i < width; ++i) { + const int off = (i >> 1); + const int W = best_y[i]; + const int r = best_uv[off + 0 * uv_w] + W; + const int g = best_uv[off + 1 * uv_w] + W; + const int b = best_uv[off + 2 * uv_w] + W; + const int y = RGBToYUVComponent(r, g, b, yuv_matrix->rgb_to_y, sfix); + if (yuv_bit_depth <= 8) { + y_ptr[i] = clip_8b(y); + } else { + ((uint16_t*)y_ptr)[i] = clip(y, yuv_max); + } + } + best_y += w; + best_uv += (j & 1) * 3 * uv_w; + y_ptr += y_stride; + } + for (best_uv = best_uv_base, j = 0; j < uv_h; ++j) { + for (i = 0; i < uv_w; ++i) { + const int off = i; + // Note r, g and b values here are off by W, but a constant offset on all + // 3 components doesn't change the value of u and v with a YCbCr matrix. + const int r = best_uv[off + 0 * uv_w]; + const int g = best_uv[off + 1 * uv_w]; + const int b = best_uv[off + 2 * uv_w]; + const int u = RGBToYUVComponent(r, g, b, yuv_matrix->rgb_to_u, sfix); + const int v = RGBToYUVComponent(r, g, b, yuv_matrix->rgb_to_v, sfix); + if (yuv_bit_depth <= 8) { + u_ptr[i] = clip_8b(u); + v_ptr[i] = clip_8b(v); + } else { + ((uint16_t*)u_ptr)[i] = clip(u, yuv_max); + ((uint16_t*)v_ptr)[i] = clip(v, yuv_max); + } + } + best_uv += 3 * uv_w; + u_ptr += u_stride; + v_ptr += v_stride; + } + return 1; +} + +//------------------------------------------------------------------------------ +// Main function + +static void* SafeMalloc(uint64_t nmemb, size_t size) { + const uint64_t total_size = nmemb * (uint64_t)size; + if (total_size != (size_t)total_size) return NULL; + return malloc((size_t)total_size); +} + +#define SAFE_ALLOC(W, H, T) ((T*)SafeMalloc((W) * (H), sizeof(T))) + +static int DoSharpArgbToYuv(const uint8_t* r_ptr, const uint8_t* g_ptr, + const uint8_t* b_ptr, int rgb_step, int rgb_stride, + int rgb_bit_depth, uint8_t* y_ptr, int y_stride, + uint8_t* u_ptr, int u_stride, uint8_t* v_ptr, + int v_stride, int yuv_bit_depth, int width, + int height, + const SharpYuvConversionMatrix* yuv_matrix) { + // we expand the right/bottom border if needed + const int w = (width + 1) & ~1; + const int h = (height + 1) & ~1; + const int uv_w = w >> 1; + const int uv_h = h >> 1; + uint64_t prev_diff_y_sum = ~0; + int j, iter; + + // TODO(skal): allocate one big memory chunk. But for now, it's easier + // for valgrind debugging to have several chunks. + fixed_y_t* const tmp_buffer = SAFE_ALLOC(w * 3, 2, fixed_y_t); // scratch + fixed_y_t* const best_y_base = SAFE_ALLOC(w, h, fixed_y_t); + fixed_y_t* const target_y_base = SAFE_ALLOC(w, h, fixed_y_t); + fixed_y_t* const best_rgb_y = SAFE_ALLOC(w, 2, fixed_y_t); + fixed_t* const best_uv_base = SAFE_ALLOC(uv_w * 3, uv_h, fixed_t); + fixed_t* const target_uv_base = SAFE_ALLOC(uv_w * 3, uv_h, fixed_t); + fixed_t* const best_rgb_uv = SAFE_ALLOC(uv_w * 3, 1, fixed_t); + fixed_y_t* best_y = best_y_base; + fixed_y_t* target_y = target_y_base; + fixed_t* best_uv = best_uv_base; + fixed_t* target_uv = target_uv_base; + const uint64_t diff_y_threshold = (uint64_t)(3.0 * w * h); + int ok; + assert(w > 0); + assert(h > 0); + + if (best_y_base == NULL || best_uv_base == NULL || + target_y_base == NULL || target_uv_base == NULL || + best_rgb_y == NULL || best_rgb_uv == NULL || + tmp_buffer == NULL) { + ok = 0; + goto End; + } + + // Import RGB samples to W/RGB representation. + for (j = 0; j < height; j += 2) { + const int is_last_row = (j == height - 1); + fixed_y_t* const src1 = tmp_buffer + 0 * w; + fixed_y_t* const src2 = tmp_buffer + 3 * w; + + // prepare two rows of input + ImportOneRow(r_ptr, g_ptr, b_ptr, rgb_step, rgb_bit_depth, width, + src1); + if (!is_last_row) { + ImportOneRow(r_ptr + rgb_stride, g_ptr + rgb_stride, b_ptr + rgb_stride, + rgb_step, rgb_bit_depth, width, src2); + } else { + memcpy(src2, src1, 3 * w * sizeof(*src2)); + } + StoreGray(src1, best_y + 0, w); + StoreGray(src2, best_y + w, w); + + UpdateW(src1, target_y, w, rgb_bit_depth); + UpdateW(src2, target_y + w, w, rgb_bit_depth); + UpdateChroma(src1, src2, target_uv, uv_w, rgb_bit_depth); + memcpy(best_uv, target_uv, 3 * uv_w * sizeof(*best_uv)); + best_y += 2 * w; + best_uv += 3 * uv_w; + target_y += 2 * w; + target_uv += 3 * uv_w; + r_ptr += 2 * rgb_stride; + g_ptr += 2 * rgb_stride; + b_ptr += 2 * rgb_stride; + } + + // Iterate and resolve clipping conflicts. + for (iter = 0; iter < kNumIterations; ++iter) { + const fixed_t* cur_uv = best_uv_base; + const fixed_t* prev_uv = best_uv_base; + uint64_t diff_y_sum = 0; + + best_y = best_y_base; + best_uv = best_uv_base; + target_y = target_y_base; + target_uv = target_uv_base; + for (j = 0; j < h; j += 2) { + fixed_y_t* const src1 = tmp_buffer + 0 * w; + fixed_y_t* const src2 = tmp_buffer + 3 * w; + { + const fixed_t* const next_uv = cur_uv + ((j < h - 2) ? 3 * uv_w : 0); + InterpolateTwoRows(best_y, prev_uv, cur_uv, next_uv, w, + src1, src2, rgb_bit_depth); + prev_uv = cur_uv; + cur_uv = next_uv; + } + + UpdateW(src1, best_rgb_y + 0 * w, w, rgb_bit_depth); + UpdateW(src2, best_rgb_y + 1 * w, w, rgb_bit_depth); + UpdateChroma(src1, src2, best_rgb_uv, uv_w, rgb_bit_depth); + + // update two rows of Y and one row of RGB + diff_y_sum += + SharpYuvUpdateY(target_y, best_rgb_y, best_y, 2 * w, + rgb_bit_depth + GetPrecisionShift(rgb_bit_depth)); + SharpYuvUpdateRGB(target_uv, best_rgb_uv, best_uv, 3 * uv_w); + + best_y += 2 * w; + best_uv += 3 * uv_w; + target_y += 2 * w; + target_uv += 3 * uv_w; + } + // test exit condition + if (iter > 0) { + if (diff_y_sum < diff_y_threshold) break; + if (diff_y_sum > prev_diff_y_sum) break; + } + prev_diff_y_sum = diff_y_sum; + } + + // final reconstruction + ok = ConvertWRGBToYUV(best_y_base, best_uv_base, y_ptr, y_stride, u_ptr, + u_stride, v_ptr, v_stride, rgb_bit_depth, yuv_bit_depth, + width, height, yuv_matrix); + + End: + free(best_y_base); + free(best_uv_base); + free(target_y_base); + free(target_uv_base); + free(best_rgb_y); + free(best_rgb_uv); + free(tmp_buffer); + return ok; +} +#undef SAFE_ALLOC + +#if defined(WEBP_USE_THREAD) && !defined(_WIN32) +#include // NOLINT + +#define LOCK_ACCESS \ + static pthread_mutex_t sharpyuv_lock = PTHREAD_MUTEX_INITIALIZER; \ + if (pthread_mutex_lock(&sharpyuv_lock)) return +#define UNLOCK_ACCESS_AND_RETURN \ + do { \ + (void)pthread_mutex_unlock(&sharpyuv_lock); \ + return; \ + } while (0) +#else // !(defined(WEBP_USE_THREAD) && !defined(_WIN32)) +#define LOCK_ACCESS do {} while (0) +#define UNLOCK_ACCESS_AND_RETURN return +#endif // defined(WEBP_USE_THREAD) && !defined(_WIN32) + +// Hidden exported init function. +// By default SharpYuvConvert calls it with SharpYuvGetCPUInfo. If needed, +// users can declare it as extern and call it with an alternate VP8CPUInfo +// function. +extern VP8CPUInfo SharpYuvGetCPUInfo; +SHARPYUV_EXTERN void SharpYuvInit(VP8CPUInfo cpu_info_func); +void SharpYuvInit(VP8CPUInfo cpu_info_func) { + static volatile VP8CPUInfo sharpyuv_last_cpuinfo_used = + (VP8CPUInfo)&sharpyuv_last_cpuinfo_used; + LOCK_ACCESS; + // Only update SharpYuvGetCPUInfo when called from external code to avoid a + // race on reading the value in SharpYuvConvert(). + if (cpu_info_func != (VP8CPUInfo)&SharpYuvGetCPUInfo) { + SharpYuvGetCPUInfo = cpu_info_func; + } + if (sharpyuv_last_cpuinfo_used == SharpYuvGetCPUInfo) { + UNLOCK_ACCESS_AND_RETURN; + } + + SharpYuvInitDsp(); + SharpYuvInitGammaTables(); + + sharpyuv_last_cpuinfo_used = SharpYuvGetCPUInfo; + UNLOCK_ACCESS_AND_RETURN; +} + +int SharpYuvConvert(const void* r_ptr, const void* g_ptr, + const void* b_ptr, int rgb_step, int rgb_stride, + int rgb_bit_depth, void* y_ptr, int y_stride, + void* u_ptr, int u_stride, void* v_ptr, + int v_stride, int yuv_bit_depth, int width, + int height, const SharpYuvConversionMatrix* yuv_matrix) { + SharpYuvConversionMatrix scaled_matrix; + const int rgb_max = (1 << rgb_bit_depth) - 1; + const int rgb_round = 1 << (rgb_bit_depth - 1); + const int yuv_max = (1 << yuv_bit_depth) - 1; + const int sfix = GetPrecisionShift(rgb_bit_depth); + + if (width < 1 || height < 1 || width == INT_MAX || height == INT_MAX || + r_ptr == NULL || g_ptr == NULL || b_ptr == NULL || y_ptr == NULL || + u_ptr == NULL || v_ptr == NULL) { + return 0; + } + if (rgb_bit_depth != 8 && rgb_bit_depth != 10 && rgb_bit_depth != 12 && + rgb_bit_depth != 16) { + return 0; + } + if (yuv_bit_depth != 8 && yuv_bit_depth != 10 && yuv_bit_depth != 12) { + return 0; + } + if (rgb_bit_depth > 8 && (rgb_step % 2 != 0 || rgb_stride %2 != 0)) { + // Step/stride should be even for uint16_t buffers. + return 0; + } + if (yuv_bit_depth > 8 && + (y_stride % 2 != 0 || u_stride % 2 != 0 || v_stride % 2 != 0)) { + // Stride should be even for uint16_t buffers. + return 0; + } + // The address of the function pointer is used to avoid a read race. + SharpYuvInit((VP8CPUInfo)&SharpYuvGetCPUInfo); + + // Add scaling factor to go from rgb_bit_depth to yuv_bit_depth, to the + // rgb->yuv conversion matrix. + if (rgb_bit_depth == yuv_bit_depth) { + memcpy(&scaled_matrix, yuv_matrix, sizeof(scaled_matrix)); + } else { + int i; + for (i = 0; i < 3; ++i) { + scaled_matrix.rgb_to_y[i] = + (yuv_matrix->rgb_to_y[i] * yuv_max + rgb_round) / rgb_max; + scaled_matrix.rgb_to_u[i] = + (yuv_matrix->rgb_to_u[i] * yuv_max + rgb_round) / rgb_max; + scaled_matrix.rgb_to_v[i] = + (yuv_matrix->rgb_to_v[i] * yuv_max + rgb_round) / rgb_max; + } + } + // Also incorporate precision change scaling. + scaled_matrix.rgb_to_y[3] = Shift(yuv_matrix->rgb_to_y[3], sfix); + scaled_matrix.rgb_to_u[3] = Shift(yuv_matrix->rgb_to_u[3], sfix); + scaled_matrix.rgb_to_v[3] = Shift(yuv_matrix->rgb_to_v[3], sfix); + + return DoSharpArgbToYuv(r_ptr, g_ptr, b_ptr, rgb_step, rgb_stride, + rgb_bit_depth, y_ptr, y_stride, u_ptr, u_stride, + v_ptr, v_stride, yuv_bit_depth, width, height, + &scaled_matrix); +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/sharpyuv/sharpyuv.h b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv.h new file mode 100644 index 0000000..7b9904d --- /dev/null +++ b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv.h @@ -0,0 +1,103 @@ +// Copyright 2022 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Sharp RGB to YUV conversion. + +#ifndef WEBP_SHARPYUV_SHARPYUV_H_ +#define WEBP_SHARPYUV_SHARPYUV_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef SHARPYUV_EXTERN +#ifdef WEBP_EXTERN +#define SHARPYUV_EXTERN WEBP_EXTERN +#else +// This explicitly marks library functions and allows for changing the +// signature for e.g., Windows DLL builds. +#if defined(__GNUC__) && __GNUC__ >= 4 +#define SHARPYUV_EXTERN extern __attribute__((visibility("default"))) +#else +#if defined(_MSC_VER) && defined(WEBP_DLL) +#define SHARPYUV_EXTERN __declspec(dllexport) +#else +#define SHARPYUV_EXTERN extern +#endif /* _MSC_VER && WEBP_DLL */ +#endif /* __GNUC__ >= 4 */ +#endif /* WEBP_EXTERN */ +#endif /* SHARPYUV_EXTERN */ + +// SharpYUV API version following the convention from semver.org +#define SHARPYUV_VERSION_MAJOR 0 +#define SHARPYUV_VERSION_MINOR 2 +#define SHARPYUV_VERSION_PATCH 1 +// Version as a uint32_t. The major number is the high 8 bits. +// The minor number is the middle 8 bits. The patch number is the low 16 bits. +#define SHARPYUV_MAKE_VERSION(MAJOR, MINOR, PATCH) \ + (((MAJOR) << 24) | ((MINOR) << 16) | (PATCH)) +#define SHARPYUV_VERSION \ + SHARPYUV_MAKE_VERSION(SHARPYUV_VERSION_MAJOR, SHARPYUV_VERSION_MINOR, \ + SHARPYUV_VERSION_PATCH) + +// Returns the library's version number, packed in hexadecimal. See +// SHARPYUV_VERSION. +SHARPYUV_EXTERN int SharpYuvGetVersion(void); + +// RGB to YUV conversion matrix, in 16 bit fixed point. +// y = rgb_to_y[0] * r + rgb_to_y[1] * g + rgb_to_y[2] * b + rgb_to_y[3] +// u = rgb_to_u[0] * r + rgb_to_u[1] * g + rgb_to_u[2] * b + rgb_to_u[3] +// v = rgb_to_v[0] * r + rgb_to_v[1] * g + rgb_to_v[2] * b + rgb_to_v[3] +// Then y, u and v values are divided by 1<<16 and rounded. +typedef struct { + int rgb_to_y[4]; + int rgb_to_u[4]; + int rgb_to_v[4]; +} SharpYuvConversionMatrix; + +// Converts RGB to YUV420 using a downsampling algorithm that minimizes +// artefacts caused by chroma subsampling. +// This is slower than standard downsampling (averaging of 4 UV values). +// Assumes that the image will be upsampled using a bilinear filter. If nearest +// neighbor is used instead, the upsampled image might look worse than with +// standard downsampling. +// r_ptr, g_ptr, b_ptr: pointers to the source r, g and b channels. Should point +// to uint8_t buffers if rgb_bit_depth is 8, or uint16_t buffers otherwise. +// rgb_step: distance in bytes between two horizontally adjacent pixels on the +// r, g and b channels. If rgb_bit_depth is > 8, it should be a +// multiple of 2. +// rgb_stride: distance in bytes between two vertically adjacent pixels on the +// r, g, and b channels. If rgb_bit_depth is > 8, it should be a +// multiple of 2. +// rgb_bit_depth: number of bits for each r/g/b value. One of: 8, 10, 12, 16. +// Note: 16 bit input is truncated to 14 bits before conversion to yuv. +// yuv_bit_depth: number of bits for each y/u/v value. One of: 8, 10, 12. +// y_ptr, u_ptr, v_ptr: pointers to the destination y, u and v channels. Should +// point to uint8_t buffers if yuv_bit_depth is 8, or uint16_t buffers +// otherwise. +// y_stride, u_stride, v_stride: distance in bytes between two vertically +// adjacent pixels on the y, u and v channels. If yuv_bit_depth > 8, they +// should be multiples of 2. +// width, height: width and height of the image in pixels +SHARPYUV_EXTERN int SharpYuvConvert(const void* r_ptr, const void* g_ptr, + const void* b_ptr, int rgb_step, + int rgb_stride, int rgb_bit_depth, + void* y_ptr, int y_stride, void* u_ptr, + int u_stride, void* v_ptr, int v_stride, + int yuv_bit_depth, int width, int height, + const SharpYuvConversionMatrix* yuv_matrix); + +// TODO(b/194336375): Add YUV444 to YUV420 conversion. Maybe also add 422 +// support (it's rarely used in practice, especially for images). + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_SHARPYUV_SHARPYUV_H_ diff --git a/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_cpu.c b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_cpu.c new file mode 100644 index 0000000..29425a0 --- /dev/null +++ b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_cpu.c @@ -0,0 +1,14 @@ +// Copyright 2022 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +#include "sharpyuv/sharpyuv_cpu.h" + +// Include src/dsp/cpu.c to create SharpYuvGetCPUInfo from VP8GetCPUInfo. The +// function pointer is renamed in sharpyuv_cpu.h. +#include "src/dsp/cpu.c" diff --git a/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_cpu.h b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_cpu.h new file mode 100644 index 0000000..176ca3e --- /dev/null +++ b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_cpu.h @@ -0,0 +1,22 @@ +// Copyright 2022 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +#ifndef WEBP_SHARPYUV_SHARPYUV_CPU_H_ +#define WEBP_SHARPYUV_SHARPYUV_CPU_H_ + +#include "sharpyuv/sharpyuv.h" + +// Avoid exporting SharpYuvGetCPUInfo in shared object / DLL builds. +// SharpYuvInit() replaces the use of the function pointer. +#undef WEBP_EXTERN +#define WEBP_EXTERN extern +#define VP8GetCPUInfo SharpYuvGetCPUInfo +#include "src/dsp/cpu.h" + +#endif // WEBP_SHARPYUV_SHARPYUV_CPU_H_ diff --git a/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_csp.c b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_csp.c new file mode 100644 index 0000000..0ad22be --- /dev/null +++ b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_csp.c @@ -0,0 +1,110 @@ +// Copyright 2022 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Colorspace utilities. + +#include "sharpyuv/sharpyuv_csp.h" + +#include +#include +#include + +static int ToFixed16(float f) { return (int)floor(f * (1 << 16) + 0.5f); } + +void SharpYuvComputeConversionMatrix(const SharpYuvColorSpace* yuv_color_space, + SharpYuvConversionMatrix* matrix) { + const float kr = yuv_color_space->kr; + const float kb = yuv_color_space->kb; + const float kg = 1.0f - kr - kb; + const float cr = 0.5f / (1.0f - kb); + const float cb = 0.5f / (1.0f - kr); + + const int shift = yuv_color_space->bit_depth - 8; + + const float denom = (float)((1 << yuv_color_space->bit_depth) - 1); + float scale_y = 1.0f; + float add_y = 0.0f; + float scale_u = cr; + float scale_v = cb; + float add_uv = (float)(128 << shift); + assert(yuv_color_space->bit_depth >= 8); + + if (yuv_color_space->range == kSharpYuvRangeLimited) { + scale_y *= (219 << shift) / denom; + scale_u *= (224 << shift) / denom; + scale_v *= (224 << shift) / denom; + add_y = (float)(16 << shift); + } + + matrix->rgb_to_y[0] = ToFixed16(kr * scale_y); + matrix->rgb_to_y[1] = ToFixed16(kg * scale_y); + matrix->rgb_to_y[2] = ToFixed16(kb * scale_y); + matrix->rgb_to_y[3] = ToFixed16(add_y); + + matrix->rgb_to_u[0] = ToFixed16(-kr * scale_u); + matrix->rgb_to_u[1] = ToFixed16(-kg * scale_u); + matrix->rgb_to_u[2] = ToFixed16((1 - kb) * scale_u); + matrix->rgb_to_u[3] = ToFixed16(add_uv); + + matrix->rgb_to_v[0] = ToFixed16((1 - kr) * scale_v); + matrix->rgb_to_v[1] = ToFixed16(-kg * scale_v); + matrix->rgb_to_v[2] = ToFixed16(-kb * scale_v); + matrix->rgb_to_v[3] = ToFixed16(add_uv); +} + +// Matrices are in YUV_FIX fixed point precision. +// WebP's matrix, similar but not identical to kRec601LimitedMatrix. +static const SharpYuvConversionMatrix kWebpMatrix = { + {16839, 33059, 6420, 16 << 16}, + {-9719, -19081, 28800, 128 << 16}, + {28800, -24116, -4684, 128 << 16}, +}; +// Kr=0.2990f Kb=0.1140f bits=8 range=kSharpYuvRangeLimited +static const SharpYuvConversionMatrix kRec601LimitedMatrix = { + {16829, 33039, 6416, 16 << 16}, + {-9714, -19071, 28784, 128 << 16}, + {28784, -24103, -4681, 128 << 16}, +}; +// Kr=0.2990f Kb=0.1140f bits=8 range=kSharpYuvRangeFull +static const SharpYuvConversionMatrix kRec601FullMatrix = { + {19595, 38470, 7471, 0}, + {-11058, -21710, 32768, 128 << 16}, + {32768, -27439, -5329, 128 << 16}, +}; +// Kr=0.2126f Kb=0.0722f bits=8 range=kSharpYuvRangeLimited +static const SharpYuvConversionMatrix kRec709LimitedMatrix = { + {11966, 40254, 4064, 16 << 16}, + {-6596, -22189, 28784, 128 << 16}, + {28784, -26145, -2639, 128 << 16}, +}; +// Kr=0.2126f Kb=0.0722f bits=8 range=kSharpYuvRangeFull +static const SharpYuvConversionMatrix kRec709FullMatrix = { + {13933, 46871, 4732, 0}, + {-7509, -25259, 32768, 128 << 16}, + {32768, -29763, -3005, 128 << 16}, +}; + +const SharpYuvConversionMatrix* SharpYuvGetConversionMatrix( + SharpYuvMatrixType matrix_type) { + switch (matrix_type) { + case kSharpYuvMatrixWebp: + return &kWebpMatrix; + case kSharpYuvMatrixRec601Limited: + return &kRec601LimitedMatrix; + case kSharpYuvMatrixRec601Full: + return &kRec601FullMatrix; + case kSharpYuvMatrixRec709Limited: + return &kRec709LimitedMatrix; + case kSharpYuvMatrixRec709Full: + return &kRec709FullMatrix; + case kSharpYuvMatrixNum: + return NULL; + } + return NULL; +} diff --git a/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_csp.h b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_csp.h new file mode 100644 index 0000000..3214e3a --- /dev/null +++ b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_csp.h @@ -0,0 +1,60 @@ +// Copyright 2022 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Colorspace utilities. + +#ifndef WEBP_SHARPYUV_SHARPYUV_CSP_H_ +#define WEBP_SHARPYUV_SHARPYUV_CSP_H_ + +#include "sharpyuv/sharpyuv.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// Range of YUV values. +typedef enum { + kSharpYuvRangeFull, // YUV values between [0;255] (for 8 bit) + kSharpYuvRangeLimited // Y in [16;235], YUV in [16;240] (for 8 bit) +} SharpYuvRange; + +// Constants that define a YUV color space. +typedef struct { + // Kr and Kb are defined such that: + // Y = Kr * r + Kg * g + Kb * b where Kg = 1 - Kr - Kb. + float kr; + float kb; + int bit_depth; // 8, 10 or 12 + SharpYuvRange range; +} SharpYuvColorSpace; + +// Fills in 'matrix' for the given YUVColorSpace. +SHARPYUV_EXTERN void SharpYuvComputeConversionMatrix( + const SharpYuvColorSpace* yuv_color_space, + SharpYuvConversionMatrix* matrix); + +// Enums for precomputed conversion matrices. +typedef enum { + kSharpYuvMatrixWebp = 0, + kSharpYuvMatrixRec601Limited, + kSharpYuvMatrixRec601Full, + kSharpYuvMatrixRec709Limited, + kSharpYuvMatrixRec709Full, + kSharpYuvMatrixNum +} SharpYuvMatrixType; + +// Returns a pointer to a matrix for one of the predefined colorspaces. +SHARPYUV_EXTERN const SharpYuvConversionMatrix* SharpYuvGetConversionMatrix( + SharpYuvMatrixType matrix_type); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_SHARPYUV_SHARPYUV_CSP_H_ diff --git a/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_dsp.c b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_dsp.c new file mode 100644 index 0000000..0da3efc --- /dev/null +++ b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_dsp.c @@ -0,0 +1,104 @@ +// Copyright 2022 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Speed-critical functions for Sharp YUV. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "sharpyuv/sharpyuv_dsp.h" + +#include +#include + +#include "sharpyuv/sharpyuv_cpu.h" + +//----------------------------------------------------------------------------- + +#if !WEBP_NEON_OMIT_C_CODE +static uint16_t clip(int v, int max) { + return (v < 0) ? 0 : (v > max) ? max : (uint16_t)v; +} + +static uint64_t SharpYuvUpdateY_C(const uint16_t* ref, const uint16_t* src, + uint16_t* dst, int len, int bit_depth) { + uint64_t diff = 0; + int i; + const int max_y = (1 << bit_depth) - 1; + for (i = 0; i < len; ++i) { + const int diff_y = ref[i] - src[i]; + const int new_y = (int)dst[i] + diff_y; + dst[i] = clip(new_y, max_y); + diff += (uint64_t)abs(diff_y); + } + return diff; +} + +static void SharpYuvUpdateRGB_C(const int16_t* ref, const int16_t* src, + int16_t* dst, int len) { + int i; + for (i = 0; i < len; ++i) { + const int diff_uv = ref[i] - src[i]; + dst[i] += diff_uv; + } +} + +static void SharpYuvFilterRow_C(const int16_t* A, const int16_t* B, int len, + const uint16_t* best_y, uint16_t* out, + int bit_depth) { + int i; + const int max_y = (1 << bit_depth) - 1; + for (i = 0; i < len; ++i, ++A, ++B) { + const int v0 = (A[0] * 9 + A[1] * 3 + B[0] * 3 + B[1] + 8) >> 4; + const int v1 = (A[1] * 9 + A[0] * 3 + B[1] * 3 + B[0] + 8) >> 4; + out[2 * i + 0] = clip(best_y[2 * i + 0] + v0, max_y); + out[2 * i + 1] = clip(best_y[2 * i + 1] + v1, max_y); + } +} +#endif // !WEBP_NEON_OMIT_C_CODE + +//----------------------------------------------------------------------------- + +uint64_t (*SharpYuvUpdateY)(const uint16_t* src, const uint16_t* ref, + uint16_t* dst, int len, int bit_depth); +void (*SharpYuvUpdateRGB)(const int16_t* src, const int16_t* ref, int16_t* dst, + int len); +void (*SharpYuvFilterRow)(const int16_t* A, const int16_t* B, int len, + const uint16_t* best_y, uint16_t* out, + int bit_depth); + +extern VP8CPUInfo SharpYuvGetCPUInfo; +extern void InitSharpYuvSSE2(void); +extern void InitSharpYuvNEON(void); + +void SharpYuvInitDsp(void) { +#if !WEBP_NEON_OMIT_C_CODE + SharpYuvUpdateY = SharpYuvUpdateY_C; + SharpYuvUpdateRGB = SharpYuvUpdateRGB_C; + SharpYuvFilterRow = SharpYuvFilterRow_C; +#endif + + if (SharpYuvGetCPUInfo != NULL) { +#if defined(WEBP_HAVE_SSE2) + if (SharpYuvGetCPUInfo(kSSE2)) { + InitSharpYuvSSE2(); + } +#endif // WEBP_HAVE_SSE2 + } + +#if defined(WEBP_HAVE_NEON) + if (WEBP_NEON_OMIT_C_CODE || + (SharpYuvGetCPUInfo != NULL && SharpYuvGetCPUInfo(kNEON))) { + InitSharpYuvNEON(); + } +#endif // WEBP_HAVE_NEON + + assert(SharpYuvUpdateY != NULL); + assert(SharpYuvUpdateRGB != NULL); + assert(SharpYuvFilterRow != NULL); +} diff --git a/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_dsp.h b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_dsp.h new file mode 100644 index 0000000..805fbad --- /dev/null +++ b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_dsp.h @@ -0,0 +1,28 @@ +// Copyright 2022 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Speed-critical functions for Sharp YUV. + +#ifndef WEBP_SHARPYUV_SHARPYUV_DSP_H_ +#define WEBP_SHARPYUV_SHARPYUV_DSP_H_ + +#include "sharpyuv/sharpyuv_cpu.h" +#include "src/webp/types.h" + +extern uint64_t (*SharpYuvUpdateY)(const uint16_t* src, const uint16_t* ref, + uint16_t* dst, int len, int bit_depth); +extern void (*SharpYuvUpdateRGB)(const int16_t* src, const int16_t* ref, + int16_t* dst, int len); +extern void (*SharpYuvFilterRow)(const int16_t* A, const int16_t* B, int len, + const uint16_t* best_y, uint16_t* out, + int bit_depth); + +void SharpYuvInitDsp(void); + +#endif // WEBP_SHARPYUV_SHARPYUV_DSP_H_ diff --git a/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_gamma.c b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_gamma.c new file mode 100644 index 0000000..20ab2da --- /dev/null +++ b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_gamma.c @@ -0,0 +1,113 @@ +// Copyright 2022 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Gamma correction utilities. + +#include "sharpyuv/sharpyuv_gamma.h" + +#include +#include + +#include "src/webp/types.h" + +// Gamma correction compensates loss of resolution during chroma subsampling. +// Size of pre-computed table for converting from gamma to linear. +#define GAMMA_TO_LINEAR_TAB_BITS 10 +#define GAMMA_TO_LINEAR_TAB_SIZE (1 << GAMMA_TO_LINEAR_TAB_BITS) +static uint32_t kGammaToLinearTabS[GAMMA_TO_LINEAR_TAB_SIZE + 2]; +#define LINEAR_TO_GAMMA_TAB_BITS 9 +#define LINEAR_TO_GAMMA_TAB_SIZE (1 << LINEAR_TO_GAMMA_TAB_BITS) +static uint32_t kLinearToGammaTabS[LINEAR_TO_GAMMA_TAB_SIZE + 2]; + +static const double kGammaF = 1. / 0.45; +#define GAMMA_TO_LINEAR_BITS 16 + +static volatile int kGammaTablesSOk = 0; +void SharpYuvInitGammaTables(void) { + assert(GAMMA_TO_LINEAR_BITS <= 16); + if (!kGammaTablesSOk) { + int v; + const double a = 0.09929682680944; + const double thresh = 0.018053968510807; + const double final_scale = 1 << GAMMA_TO_LINEAR_BITS; + // Precompute gamma to linear table. + { + const double norm = 1. / GAMMA_TO_LINEAR_TAB_SIZE; + const double a_rec = 1. / (1. + a); + for (v = 0; v <= GAMMA_TO_LINEAR_TAB_SIZE; ++v) { + const double g = norm * v; + double value; + if (g <= thresh * 4.5) { + value = g / 4.5; + } else { + value = pow(a_rec * (g + a), kGammaF); + } + kGammaToLinearTabS[v] = (uint32_t)(value * final_scale + .5); + } + // to prevent small rounding errors to cause read-overflow: + kGammaToLinearTabS[GAMMA_TO_LINEAR_TAB_SIZE + 1] = + kGammaToLinearTabS[GAMMA_TO_LINEAR_TAB_SIZE]; + } + // Precompute linear to gamma table. + { + const double scale = 1. / LINEAR_TO_GAMMA_TAB_SIZE; + for (v = 0; v <= LINEAR_TO_GAMMA_TAB_SIZE; ++v) { + const double g = scale * v; + double value; + if (g <= thresh) { + value = 4.5 * g; + } else { + value = (1. + a) * pow(g, 1. / kGammaF) - a; + } + kLinearToGammaTabS[v] = + (uint32_t)(final_scale * value + 0.5); + } + // to prevent small rounding errors to cause read-overflow: + kLinearToGammaTabS[LINEAR_TO_GAMMA_TAB_SIZE + 1] = + kLinearToGammaTabS[LINEAR_TO_GAMMA_TAB_SIZE]; + } + kGammaTablesSOk = 1; + } +} + +static WEBP_INLINE int Shift(int v, int shift) { + return (shift >= 0) ? (v << shift) : (v >> -shift); +} + +static WEBP_INLINE uint32_t FixedPointInterpolation(int v, uint32_t* tab, + int tab_pos_shift_right, + int tab_value_shift) { + const uint32_t tab_pos = Shift(v, -tab_pos_shift_right); + // fractional part, in 'tab_pos_shift' fixed-point precision + const uint32_t x = v - (tab_pos << tab_pos_shift_right); // fractional part + // v0 / v1 are in kGammaToLinearBits fixed-point precision (range [0..1]) + const uint32_t v0 = Shift(tab[tab_pos + 0], tab_value_shift); + const uint32_t v1 = Shift(tab[tab_pos + 1], tab_value_shift); + // Final interpolation. + const uint32_t v2 = (v1 - v0) * x; // note: v1 >= v0. + const int half = + (tab_pos_shift_right > 0) ? 1 << (tab_pos_shift_right - 1) : 0; + const uint32_t result = v0 + ((v2 + half) >> tab_pos_shift_right); + return result; +} + +uint32_t SharpYuvGammaToLinear(uint16_t v, int bit_depth) { + const int shift = GAMMA_TO_LINEAR_TAB_BITS - bit_depth; + if (shift > 0) { + return kGammaToLinearTabS[v << shift]; + } + return FixedPointInterpolation(v, kGammaToLinearTabS, -shift, 0); +} + +uint16_t SharpYuvLinearToGamma(uint32_t value, int bit_depth) { + return FixedPointInterpolation( + value, kLinearToGammaTabS, + (GAMMA_TO_LINEAR_BITS - LINEAR_TO_GAMMA_TAB_BITS), + bit_depth - GAMMA_TO_LINEAR_BITS); +} diff --git a/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_gamma.h b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_gamma.h new file mode 100644 index 0000000..d13aff5 --- /dev/null +++ b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_gamma.h @@ -0,0 +1,35 @@ +// Copyright 2022 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Gamma correction utilities. + +#ifndef WEBP_SHARPYUV_SHARPYUV_GAMMA_H_ +#define WEBP_SHARPYUV_SHARPYUV_GAMMA_H_ + +#include "src/webp/types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// Initializes precomputed tables. Must be called once before calling +// SharpYuvGammaToLinear or SharpYuvLinearToGamma. +void SharpYuvInitGammaTables(void); + +// Converts a gamma color value on 'bit_depth' bits to a 16 bit linear value. +uint32_t SharpYuvGammaToLinear(uint16_t v, int bit_depth); + +// Converts a 16 bit linear color value to a gamma value on 'bit_depth' bits. +uint16_t SharpYuvLinearToGamma(uint32_t value, int bit_depth); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_SHARPYUV_SHARPYUV_GAMMA_H_ diff --git a/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_neon.c b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_neon.c new file mode 100644 index 0000000..5840914 --- /dev/null +++ b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_neon.c @@ -0,0 +1,181 @@ +// Copyright 2022 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Speed-critical functions for Sharp YUV. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "sharpyuv/sharpyuv_dsp.h" + +#if defined(WEBP_USE_NEON) +#include +#include +#include + +static uint16_t clip_NEON(int v, int max) { + return (v < 0) ? 0 : (v > max) ? max : (uint16_t)v; +} + +static uint64_t SharpYuvUpdateY_NEON(const uint16_t* ref, const uint16_t* src, + uint16_t* dst, int len, int bit_depth) { + const int max_y = (1 << bit_depth) - 1; + int i; + const int16x8_t zero = vdupq_n_s16(0); + const int16x8_t max = vdupq_n_s16(max_y); + uint64x2_t sum = vdupq_n_u64(0); + uint64_t diff; + + for (i = 0; i + 8 <= len; i += 8) { + const int16x8_t A = vreinterpretq_s16_u16(vld1q_u16(ref + i)); + const int16x8_t B = vreinterpretq_s16_u16(vld1q_u16(src + i)); + const int16x8_t C = vreinterpretq_s16_u16(vld1q_u16(dst + i)); + const int16x8_t D = vsubq_s16(A, B); // diff_y + const int16x8_t F = vaddq_s16(C, D); // new_y + const uint16x8_t H = + vreinterpretq_u16_s16(vmaxq_s16(vminq_s16(F, max), zero)); + const int16x8_t I = vabsq_s16(D); // abs(diff_y) + vst1q_u16(dst + i, H); + sum = vpadalq_u32(sum, vpaddlq_u16(vreinterpretq_u16_s16(I))); + } + diff = vgetq_lane_u64(sum, 0) + vgetq_lane_u64(sum, 1); + for (; i < len; ++i) { + const int diff_y = ref[i] - src[i]; + const int new_y = (int)(dst[i]) + diff_y; + dst[i] = clip_NEON(new_y, max_y); + diff += (uint64_t)(abs(diff_y)); + } + return diff; +} + +static void SharpYuvUpdateRGB_NEON(const int16_t* ref, const int16_t* src, + int16_t* dst, int len) { + int i; + for (i = 0; i + 8 <= len; i += 8) { + const int16x8_t A = vld1q_s16(ref + i); + const int16x8_t B = vld1q_s16(src + i); + const int16x8_t C = vld1q_s16(dst + i); + const int16x8_t D = vsubq_s16(A, B); // diff_uv + const int16x8_t E = vaddq_s16(C, D); // new_uv + vst1q_s16(dst + i, E); + } + for (; i < len; ++i) { + const int diff_uv = ref[i] - src[i]; + dst[i] += diff_uv; + } +} + +static void SharpYuvFilterRow16_NEON(const int16_t* A, const int16_t* B, + int len, const uint16_t* best_y, + uint16_t* out, int bit_depth) { + const int max_y = (1 << bit_depth) - 1; + int i; + const int16x8_t max = vdupq_n_s16(max_y); + const int16x8_t zero = vdupq_n_s16(0); + for (i = 0; i + 8 <= len; i += 8) { + const int16x8_t a0 = vld1q_s16(A + i + 0); + const int16x8_t a1 = vld1q_s16(A + i + 1); + const int16x8_t b0 = vld1q_s16(B + i + 0); + const int16x8_t b1 = vld1q_s16(B + i + 1); + const int16x8_t a0b1 = vaddq_s16(a0, b1); + const int16x8_t a1b0 = vaddq_s16(a1, b0); + const int16x8_t a0a1b0b1 = vaddq_s16(a0b1, a1b0); // A0+A1+B0+B1 + const int16x8_t a0b1_2 = vaddq_s16(a0b1, a0b1); // 2*(A0+B1) + const int16x8_t a1b0_2 = vaddq_s16(a1b0, a1b0); // 2*(A1+B0) + const int16x8_t c0 = vshrq_n_s16(vaddq_s16(a0b1_2, a0a1b0b1), 3); + const int16x8_t c1 = vshrq_n_s16(vaddq_s16(a1b0_2, a0a1b0b1), 3); + const int16x8_t e0 = vrhaddq_s16(c1, a0); + const int16x8_t e1 = vrhaddq_s16(c0, a1); + const int16x8x2_t f = vzipq_s16(e0, e1); + const int16x8_t g0 = vreinterpretq_s16_u16(vld1q_u16(best_y + 2 * i + 0)); + const int16x8_t g1 = vreinterpretq_s16_u16(vld1q_u16(best_y + 2 * i + 8)); + const int16x8_t h0 = vaddq_s16(g0, f.val[0]); + const int16x8_t h1 = vaddq_s16(g1, f.val[1]); + const int16x8_t i0 = vmaxq_s16(vminq_s16(h0, max), zero); + const int16x8_t i1 = vmaxq_s16(vminq_s16(h1, max), zero); + vst1q_u16(out + 2 * i + 0, vreinterpretq_u16_s16(i0)); + vst1q_u16(out + 2 * i + 8, vreinterpretq_u16_s16(i1)); + } + for (; i < len; ++i) { + const int a0b1 = A[i + 0] + B[i + 1]; + const int a1b0 = A[i + 1] + B[i + 0]; + const int a0a1b0b1 = a0b1 + a1b0 + 8; + const int v0 = (8 * A[i + 0] + 2 * a1b0 + a0a1b0b1) >> 4; + const int v1 = (8 * A[i + 1] + 2 * a0b1 + a0a1b0b1) >> 4; + out[2 * i + 0] = clip_NEON(best_y[2 * i + 0] + v0, max_y); + out[2 * i + 1] = clip_NEON(best_y[2 * i + 1] + v1, max_y); + } +} + +static void SharpYuvFilterRow32_NEON(const int16_t* A, const int16_t* B, + int len, const uint16_t* best_y, + uint16_t* out, int bit_depth) { + const int max_y = (1 << bit_depth) - 1; + int i; + const uint16x8_t max = vdupq_n_u16(max_y); + for (i = 0; i + 4 <= len; i += 4) { + const int16x4_t a0 = vld1_s16(A + i + 0); + const int16x4_t a1 = vld1_s16(A + i + 1); + const int16x4_t b0 = vld1_s16(B + i + 0); + const int16x4_t b1 = vld1_s16(B + i + 1); + const int32x4_t a0b1 = vaddl_s16(a0, b1); + const int32x4_t a1b0 = vaddl_s16(a1, b0); + const int32x4_t a0a1b0b1 = vaddq_s32(a0b1, a1b0); // A0+A1+B0+B1 + const int32x4_t a0b1_2 = vaddq_s32(a0b1, a0b1); // 2*(A0+B1) + const int32x4_t a1b0_2 = vaddq_s32(a1b0, a1b0); // 2*(A1+B0) + const int32x4_t c0 = vshrq_n_s32(vaddq_s32(a0b1_2, a0a1b0b1), 3); + const int32x4_t c1 = vshrq_n_s32(vaddq_s32(a1b0_2, a0a1b0b1), 3); + const int32x4_t e0 = vrhaddq_s32(c1, vmovl_s16(a0)); + const int32x4_t e1 = vrhaddq_s32(c0, vmovl_s16(a1)); + const int32x4x2_t f = vzipq_s32(e0, e1); + + const int16x8_t g = vreinterpretq_s16_u16(vld1q_u16(best_y + 2 * i)); + const int32x4_t h0 = vaddw_s16(f.val[0], vget_low_s16(g)); + const int32x4_t h1 = vaddw_s16(f.val[1], vget_high_s16(g)); + const uint16x8_t i_16 = vcombine_u16(vqmovun_s32(h0), vqmovun_s32(h1)); + const uint16x8_t i_clamped = vminq_u16(i_16, max); + vst1q_u16(out + 2 * i + 0, i_clamped); + } + for (; i < len; ++i) { + const int a0b1 = A[i + 0] + B[i + 1]; + const int a1b0 = A[i + 1] + B[i + 0]; + const int a0a1b0b1 = a0b1 + a1b0 + 8; + const int v0 = (8 * A[i + 0] + 2 * a1b0 + a0a1b0b1) >> 4; + const int v1 = (8 * A[i + 1] + 2 * a0b1 + a0a1b0b1) >> 4; + out[2 * i + 0] = clip_NEON(best_y[2 * i + 0] + v0, max_y); + out[2 * i + 1] = clip_NEON(best_y[2 * i + 1] + v1, max_y); + } +} + +static void SharpYuvFilterRow_NEON(const int16_t* A, const int16_t* B, int len, + const uint16_t* best_y, uint16_t* out, + int bit_depth) { + if (bit_depth <= 10) { + SharpYuvFilterRow16_NEON(A, B, len, best_y, out, bit_depth); + } else { + SharpYuvFilterRow32_NEON(A, B, len, best_y, out, bit_depth); + } +} + +//------------------------------------------------------------------------------ + +extern void InitSharpYuvNEON(void); + +WEBP_TSAN_IGNORE_FUNCTION void InitSharpYuvNEON(void) { + SharpYuvUpdateY = SharpYuvUpdateY_NEON; + SharpYuvUpdateRGB = SharpYuvUpdateRGB_NEON; + SharpYuvFilterRow = SharpYuvFilterRow_NEON; +} + +#else // !WEBP_USE_NEON + +extern void InitSharpYuvNEON(void); + +void InitSharpYuvNEON(void) {} + +#endif // WEBP_USE_NEON diff --git a/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_sse2.c b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_sse2.c new file mode 100644 index 0000000..9744d1b --- /dev/null +++ b/ProductApp/Pods/libwebp/sharpyuv/sharpyuv_sse2.c @@ -0,0 +1,201 @@ +// Copyright 2022 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Speed-critical functions for Sharp YUV. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "sharpyuv/sharpyuv_dsp.h" + +#if defined(WEBP_USE_SSE2) +#include +#include + +static uint16_t clip_SSE2(int v, int max) { + return (v < 0) ? 0 : (v > max) ? max : (uint16_t)v; +} + +static uint64_t SharpYuvUpdateY_SSE2(const uint16_t* ref, const uint16_t* src, + uint16_t* dst, int len, int bit_depth) { + const int max_y = (1 << bit_depth) - 1; + uint64_t diff = 0; + uint32_t tmp[4]; + int i; + const __m128i zero = _mm_setzero_si128(); + const __m128i max = _mm_set1_epi16(max_y); + const __m128i one = _mm_set1_epi16(1); + __m128i sum = zero; + + for (i = 0; i + 8 <= len; i += 8) { + const __m128i A = _mm_loadu_si128((const __m128i*)(ref + i)); + const __m128i B = _mm_loadu_si128((const __m128i*)(src + i)); + const __m128i C = _mm_loadu_si128((const __m128i*)(dst + i)); + const __m128i D = _mm_sub_epi16(A, B); // diff_y + const __m128i E = _mm_cmpgt_epi16(zero, D); // sign (-1 or 0) + const __m128i F = _mm_add_epi16(C, D); // new_y + const __m128i G = _mm_or_si128(E, one); // -1 or 1 + const __m128i H = _mm_max_epi16(_mm_min_epi16(F, max), zero); + const __m128i I = _mm_madd_epi16(D, G); // sum(abs(...)) + _mm_storeu_si128((__m128i*)(dst + i), H); + sum = _mm_add_epi32(sum, I); + } + _mm_storeu_si128((__m128i*)tmp, sum); + diff = tmp[3] + tmp[2] + tmp[1] + tmp[0]; + for (; i < len; ++i) { + const int diff_y = ref[i] - src[i]; + const int new_y = (int)dst[i] + diff_y; + dst[i] = clip_SSE2(new_y, max_y); + diff += (uint64_t)abs(diff_y); + } + return diff; +} + +static void SharpYuvUpdateRGB_SSE2(const int16_t* ref, const int16_t* src, + int16_t* dst, int len) { + int i = 0; + for (i = 0; i + 8 <= len; i += 8) { + const __m128i A = _mm_loadu_si128((const __m128i*)(ref + i)); + const __m128i B = _mm_loadu_si128((const __m128i*)(src + i)); + const __m128i C = _mm_loadu_si128((const __m128i*)(dst + i)); + const __m128i D = _mm_sub_epi16(A, B); // diff_uv + const __m128i E = _mm_add_epi16(C, D); // new_uv + _mm_storeu_si128((__m128i*)(dst + i), E); + } + for (; i < len; ++i) { + const int diff_uv = ref[i] - src[i]; + dst[i] += diff_uv; + } +} + +static void SharpYuvFilterRow16_SSE2(const int16_t* A, const int16_t* B, + int len, const uint16_t* best_y, + uint16_t* out, int bit_depth) { + const int max_y = (1 << bit_depth) - 1; + int i; + const __m128i kCst8 = _mm_set1_epi16(8); + const __m128i max = _mm_set1_epi16(max_y); + const __m128i zero = _mm_setzero_si128(); + for (i = 0; i + 8 <= len; i += 8) { + const __m128i a0 = _mm_loadu_si128((const __m128i*)(A + i + 0)); + const __m128i a1 = _mm_loadu_si128((const __m128i*)(A + i + 1)); + const __m128i b0 = _mm_loadu_si128((const __m128i*)(B + i + 0)); + const __m128i b1 = _mm_loadu_si128((const __m128i*)(B + i + 1)); + const __m128i a0b1 = _mm_add_epi16(a0, b1); + const __m128i a1b0 = _mm_add_epi16(a1, b0); + const __m128i a0a1b0b1 = _mm_add_epi16(a0b1, a1b0); // A0+A1+B0+B1 + const __m128i a0a1b0b1_8 = _mm_add_epi16(a0a1b0b1, kCst8); + const __m128i a0b1_2 = _mm_add_epi16(a0b1, a0b1); // 2*(A0+B1) + const __m128i a1b0_2 = _mm_add_epi16(a1b0, a1b0); // 2*(A1+B0) + const __m128i c0 = _mm_srai_epi16(_mm_add_epi16(a0b1_2, a0a1b0b1_8), 3); + const __m128i c1 = _mm_srai_epi16(_mm_add_epi16(a1b0_2, a0a1b0b1_8), 3); + const __m128i d0 = _mm_add_epi16(c1, a0); + const __m128i d1 = _mm_add_epi16(c0, a1); + const __m128i e0 = _mm_srai_epi16(d0, 1); + const __m128i e1 = _mm_srai_epi16(d1, 1); + const __m128i f0 = _mm_unpacklo_epi16(e0, e1); + const __m128i f1 = _mm_unpackhi_epi16(e0, e1); + const __m128i g0 = _mm_loadu_si128((const __m128i*)(best_y + 2 * i + 0)); + const __m128i g1 = _mm_loadu_si128((const __m128i*)(best_y + 2 * i + 8)); + const __m128i h0 = _mm_add_epi16(g0, f0); + const __m128i h1 = _mm_add_epi16(g1, f1); + const __m128i i0 = _mm_max_epi16(_mm_min_epi16(h0, max), zero); + const __m128i i1 = _mm_max_epi16(_mm_min_epi16(h1, max), zero); + _mm_storeu_si128((__m128i*)(out + 2 * i + 0), i0); + _mm_storeu_si128((__m128i*)(out + 2 * i + 8), i1); + } + for (; i < len; ++i) { + // (9 * A0 + 3 * A1 + 3 * B0 + B1 + 8) >> 4 = + // = (8 * A0 + 2 * (A1 + B0) + (A0 + A1 + B0 + B1 + 8)) >> 4 + // We reuse the common sub-expressions. + const int a0b1 = A[i + 0] + B[i + 1]; + const int a1b0 = A[i + 1] + B[i + 0]; + const int a0a1b0b1 = a0b1 + a1b0 + 8; + const int v0 = (8 * A[i + 0] + 2 * a1b0 + a0a1b0b1) >> 4; + const int v1 = (8 * A[i + 1] + 2 * a0b1 + a0a1b0b1) >> 4; + out[2 * i + 0] = clip_SSE2(best_y[2 * i + 0] + v0, max_y); + out[2 * i + 1] = clip_SSE2(best_y[2 * i + 1] + v1, max_y); + } +} + +static WEBP_INLINE __m128i s16_to_s32(__m128i in) { + return _mm_srai_epi32(_mm_unpacklo_epi16(in, in), 16); +} + +static void SharpYuvFilterRow32_SSE2(const int16_t* A, const int16_t* B, + int len, const uint16_t* best_y, + uint16_t* out, int bit_depth) { + const int max_y = (1 << bit_depth) - 1; + int i; + const __m128i kCst8 = _mm_set1_epi32(8); + const __m128i max = _mm_set1_epi16(max_y); + const __m128i zero = _mm_setzero_si128(); + for (i = 0; i + 4 <= len; i += 4) { + const __m128i a0 = s16_to_s32(_mm_loadl_epi64((const __m128i*)(A + i + 0))); + const __m128i a1 = s16_to_s32(_mm_loadl_epi64((const __m128i*)(A + i + 1))); + const __m128i b0 = s16_to_s32(_mm_loadl_epi64((const __m128i*)(B + i + 0))); + const __m128i b1 = s16_to_s32(_mm_loadl_epi64((const __m128i*)(B + i + 1))); + const __m128i a0b1 = _mm_add_epi32(a0, b1); + const __m128i a1b0 = _mm_add_epi32(a1, b0); + const __m128i a0a1b0b1 = _mm_add_epi32(a0b1, a1b0); // A0+A1+B0+B1 + const __m128i a0a1b0b1_8 = _mm_add_epi32(a0a1b0b1, kCst8); + const __m128i a0b1_2 = _mm_add_epi32(a0b1, a0b1); // 2*(A0+B1) + const __m128i a1b0_2 = _mm_add_epi32(a1b0, a1b0); // 2*(A1+B0) + const __m128i c0 = _mm_srai_epi32(_mm_add_epi32(a0b1_2, a0a1b0b1_8), 3); + const __m128i c1 = _mm_srai_epi32(_mm_add_epi32(a1b0_2, a0a1b0b1_8), 3); + const __m128i d0 = _mm_add_epi32(c1, a0); + const __m128i d1 = _mm_add_epi32(c0, a1); + const __m128i e0 = _mm_srai_epi32(d0, 1); + const __m128i e1 = _mm_srai_epi32(d1, 1); + const __m128i f0 = _mm_unpacklo_epi32(e0, e1); + const __m128i f1 = _mm_unpackhi_epi32(e0, e1); + const __m128i g = _mm_loadu_si128((const __m128i*)(best_y + 2 * i + 0)); + const __m128i h_16 = _mm_add_epi16(g, _mm_packs_epi32(f0, f1)); + const __m128i final = _mm_max_epi16(_mm_min_epi16(h_16, max), zero); + _mm_storeu_si128((__m128i*)(out + 2 * i + 0), final); + } + for (; i < len; ++i) { + // (9 * A0 + 3 * A1 + 3 * B0 + B1 + 8) >> 4 = + // = (8 * A0 + 2 * (A1 + B0) + (A0 + A1 + B0 + B1 + 8)) >> 4 + // We reuse the common sub-expressions. + const int a0b1 = A[i + 0] + B[i + 1]; + const int a1b0 = A[i + 1] + B[i + 0]; + const int a0a1b0b1 = a0b1 + a1b0 + 8; + const int v0 = (8 * A[i + 0] + 2 * a1b0 + a0a1b0b1) >> 4; + const int v1 = (8 * A[i + 1] + 2 * a0b1 + a0a1b0b1) >> 4; + out[2 * i + 0] = clip_SSE2(best_y[2 * i + 0] + v0, max_y); + out[2 * i + 1] = clip_SSE2(best_y[2 * i + 1] + v1, max_y); + } +} + +static void SharpYuvFilterRow_SSE2(const int16_t* A, const int16_t* B, int len, + const uint16_t* best_y, uint16_t* out, + int bit_depth) { + if (bit_depth <= 10) { + SharpYuvFilterRow16_SSE2(A, B, len, best_y, out, bit_depth); + } else { + SharpYuvFilterRow32_SSE2(A, B, len, best_y, out, bit_depth); + } +} + +//------------------------------------------------------------------------------ + +extern void InitSharpYuvSSE2(void); + +WEBP_TSAN_IGNORE_FUNCTION void InitSharpYuvSSE2(void) { + SharpYuvUpdateY = SharpYuvUpdateY_SSE2; + SharpYuvUpdateRGB = SharpYuvUpdateRGB_SSE2; + SharpYuvFilterRow = SharpYuvFilterRow_SSE2; +} +#else // !WEBP_USE_SSE2 + +extern void InitSharpYuvSSE2(void); + +void InitSharpYuvSSE2(void) {} + +#endif // WEBP_USE_SSE2 diff --git a/ProductApp/Pods/libwebp/src/Makefile.am b/ProductApp/Pods/libwebp/src/Makefile.am new file mode 100644 index 0000000..bc4a320 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/Makefile.am @@ -0,0 +1,55 @@ +# The mux and demux libraries depend on libwebp, thus the '.' to force +# the build order so it's available to them. +SUBDIRS = dec enc dsp utils . +if BUILD_MUX + SUBDIRS += mux +endif +if BUILD_DEMUX + SUBDIRS += demux +endif + +lib_LTLIBRARIES = libwebp.la + +if BUILD_LIBWEBPDECODER + lib_LTLIBRARIES += libwebpdecoder.la +endif + +common_HEADERS = +common_HEADERS += webp/decode.h +common_HEADERS += webp/types.h +commondir = $(includedir)/webp + +libwebp_la_SOURCES = +libwebpinclude_HEADERS = +libwebpinclude_HEADERS += webp/encode.h + +noinst_HEADERS = +noinst_HEADERS += webp/format_constants.h + +libwebp_la_LIBADD = +libwebp_la_LIBADD += dec/libwebpdecode.la +libwebp_la_LIBADD += dsp/libwebpdsp.la +libwebp_la_LIBADD += enc/libwebpencode.la +libwebp_la_LIBADD += utils/libwebputils.la + +# Use '-no-undefined' to declare that libwebp does not depend on any libraries +# other than the ones listed on the command line, i.e., after linking, it will +# not have unresolved symbols. Some platforms (Windows among them) require all +# symbols in shared libraries to be resolved at library creation. +libwebp_la_LDFLAGS = -no-undefined -version-info 8:8:1 +libwebpincludedir = $(includedir)/webp +pkgconfig_DATA = libwebp.pc + +if BUILD_LIBWEBPDECODER + libwebpdecoder_la_SOURCES = + + libwebpdecoder_la_LIBADD = + libwebpdecoder_la_LIBADD += dec/libwebpdecode.la + libwebpdecoder_la_LIBADD += dsp/libwebpdspdecode.la + libwebpdecoder_la_LIBADD += utils/libwebputilsdecode.la + + libwebpdecoder_la_LDFLAGS = -no-undefined -version-info 4:8:1 + pkgconfig_DATA += libwebpdecoder.pc +endif + +${pkgconfig_DATA}: ${top_builddir}/config.status diff --git a/ProductApp/Pods/libwebp/src/dec/Makefile.am b/ProductApp/Pods/libwebp/src/dec/Makefile.am new file mode 100644 index 0000000..f8c6398 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dec/Makefile.am @@ -0,0 +1,29 @@ +AM_CPPFLAGS += -I$(top_builddir) -I$(top_srcdir) +noinst_LTLIBRARIES = libwebpdecode.la + +libwebpdecode_la_SOURCES = +libwebpdecode_la_SOURCES += alpha_dec.c +libwebpdecode_la_SOURCES += alphai_dec.h +libwebpdecode_la_SOURCES += buffer_dec.c +libwebpdecode_la_SOURCES += common_dec.h +libwebpdecode_la_SOURCES += vp8_dec.h +libwebpdecode_la_SOURCES += frame_dec.c +libwebpdecode_la_SOURCES += idec_dec.c +libwebpdecode_la_SOURCES += io_dec.c +libwebpdecode_la_SOURCES += quant_dec.c +libwebpdecode_la_SOURCES += tree_dec.c +libwebpdecode_la_SOURCES += vp8_dec.c +libwebpdecode_la_SOURCES += vp8i_dec.h +libwebpdecode_la_SOURCES += vp8l_dec.c +libwebpdecode_la_SOURCES += vp8li_dec.h +libwebpdecode_la_SOURCES += webp_dec.c +libwebpdecode_la_SOURCES += webpi_dec.h + +libwebpdecodeinclude_HEADERS = +libwebpdecodeinclude_HEADERS += ../webp/decode.h +libwebpdecodeinclude_HEADERS += ../webp/types.h +noinst_HEADERS = +noinst_HEADERS += ../webp/format_constants.h + +libwebpdecode_la_CPPFLAGS = $(AM_CPPFLAGS) +libwebpdecodeincludedir = $(includedir)/webp diff --git a/ProductApp/Pods/libwebp/src/dec/alpha_dec.c b/ProductApp/Pods/libwebp/src/dec/alpha_dec.c new file mode 100644 index 0000000..0b93a30 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dec/alpha_dec.c @@ -0,0 +1,232 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Alpha-plane decompression. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include +#include "src/dec/alphai_dec.h" +#include "src/dec/vp8i_dec.h" +#include "src/dec/vp8li_dec.h" +#include "src/dsp/dsp.h" +#include "src/utils/quant_levels_dec_utils.h" +#include "src/utils/utils.h" +#include "src/webp/format_constants.h" + +//------------------------------------------------------------------------------ +// ALPHDecoder object. + +// Allocates a new alpha decoder instance. +static ALPHDecoder* ALPHNew(void) { + ALPHDecoder* const dec = (ALPHDecoder*)WebPSafeCalloc(1ULL, sizeof(*dec)); + return dec; +} + +// Clears and deallocates an alpha decoder instance. +static void ALPHDelete(ALPHDecoder* const dec) { + if (dec != NULL) { + VP8LDelete(dec->vp8l_dec_); + dec->vp8l_dec_ = NULL; + WebPSafeFree(dec); + } +} + +//------------------------------------------------------------------------------ +// Decoding. + +// Initialize alpha decoding by parsing the alpha header and decoding the image +// header for alpha data stored using lossless compression. +// Returns false in case of error in alpha header (data too short, invalid +// compression method or filter, error in lossless header data etc). +static int ALPHInit(ALPHDecoder* const dec, const uint8_t* data, + size_t data_size, const VP8Io* const src_io, + uint8_t* output) { + int ok = 0; + const uint8_t* const alpha_data = data + ALPHA_HEADER_LEN; + const size_t alpha_data_size = data_size - ALPHA_HEADER_LEN; + int rsrv; + VP8Io* const io = &dec->io_; + + assert(data != NULL && output != NULL && src_io != NULL); + + VP8FiltersInit(); + dec->output_ = output; + dec->width_ = src_io->width; + dec->height_ = src_io->height; + assert(dec->width_ > 0 && dec->height_ > 0); + + if (data_size <= ALPHA_HEADER_LEN) { + return 0; + } + + dec->method_ = (data[0] >> 0) & 0x03; + dec->filter_ = (WEBP_FILTER_TYPE)((data[0] >> 2) & 0x03); + dec->pre_processing_ = (data[0] >> 4) & 0x03; + rsrv = (data[0] >> 6) & 0x03; + if (dec->method_ < ALPHA_NO_COMPRESSION || + dec->method_ > ALPHA_LOSSLESS_COMPRESSION || + dec->filter_ >= WEBP_FILTER_LAST || + dec->pre_processing_ > ALPHA_PREPROCESSED_LEVELS || + rsrv != 0) { + return 0; + } + + // Copy the necessary parameters from src_io to io + VP8InitIo(io); + WebPInitCustomIo(NULL, io); + io->opaque = dec; + io->width = src_io->width; + io->height = src_io->height; + + io->use_cropping = src_io->use_cropping; + io->crop_left = src_io->crop_left; + io->crop_right = src_io->crop_right; + io->crop_top = src_io->crop_top; + io->crop_bottom = src_io->crop_bottom; + // No need to copy the scaling parameters. + + if (dec->method_ == ALPHA_NO_COMPRESSION) { + const size_t alpha_decoded_size = dec->width_ * dec->height_; + ok = (alpha_data_size >= alpha_decoded_size); + } else { + assert(dec->method_ == ALPHA_LOSSLESS_COMPRESSION); + ok = VP8LDecodeAlphaHeader(dec, alpha_data, alpha_data_size); + } + + return ok; +} + +// Decodes, unfilters and dequantizes *at least* 'num_rows' rows of alpha +// starting from row number 'row'. It assumes that rows up to (row - 1) have +// already been decoded. +// Returns false in case of bitstream error. +static int ALPHDecode(VP8Decoder* const dec, int row, int num_rows) { + ALPHDecoder* const alph_dec = dec->alph_dec_; + const int width = alph_dec->width_; + const int height = alph_dec->io_.crop_bottom; + if (alph_dec->method_ == ALPHA_NO_COMPRESSION) { + int y; + const uint8_t* prev_line = dec->alpha_prev_line_; + const uint8_t* deltas = dec->alpha_data_ + ALPHA_HEADER_LEN + row * width; + uint8_t* dst = dec->alpha_plane_ + row * width; + assert(deltas <= &dec->alpha_data_[dec->alpha_data_size_]); + if (alph_dec->filter_ != WEBP_FILTER_NONE) { + assert(WebPUnfilters[alph_dec->filter_] != NULL); + for (y = 0; y < num_rows; ++y) { + WebPUnfilters[alph_dec->filter_](prev_line, deltas, dst, width); + prev_line = dst; + dst += width; + deltas += width; + } + } else { + for (y = 0; y < num_rows; ++y) { + memcpy(dst, deltas, width * sizeof(*dst)); + prev_line = dst; + dst += width; + deltas += width; + } + } + dec->alpha_prev_line_ = prev_line; + } else { // alph_dec->method_ == ALPHA_LOSSLESS_COMPRESSION + assert(alph_dec->vp8l_dec_ != NULL); + if (!VP8LDecodeAlphaImageStream(alph_dec, row + num_rows)) { + return 0; + } + } + + if (row + num_rows >= height) { + dec->is_alpha_decoded_ = 1; + } + return 1; +} + +static int AllocateAlphaPlane(VP8Decoder* const dec, const VP8Io* const io) { + const int stride = io->width; + const int height = io->crop_bottom; + const uint64_t alpha_size = (uint64_t)stride * height; + assert(dec->alpha_plane_mem_ == NULL); + dec->alpha_plane_mem_ = + (uint8_t*)WebPSafeMalloc(alpha_size, sizeof(*dec->alpha_plane_)); + if (dec->alpha_plane_mem_ == NULL) { + return 0; + } + dec->alpha_plane_ = dec->alpha_plane_mem_; + dec->alpha_prev_line_ = NULL; + return 1; +} + +void WebPDeallocateAlphaMemory(VP8Decoder* const dec) { + assert(dec != NULL); + WebPSafeFree(dec->alpha_plane_mem_); + dec->alpha_plane_mem_ = NULL; + dec->alpha_plane_ = NULL; + ALPHDelete(dec->alph_dec_); + dec->alph_dec_ = NULL; +} + +//------------------------------------------------------------------------------ +// Main entry point. + +const uint8_t* VP8DecompressAlphaRows(VP8Decoder* const dec, + const VP8Io* const io, + int row, int num_rows) { + const int width = io->width; + const int height = io->crop_bottom; + + assert(dec != NULL && io != NULL); + + if (row < 0 || num_rows <= 0 || row + num_rows > height) { + return NULL; + } + + if (!dec->is_alpha_decoded_) { + if (dec->alph_dec_ == NULL) { // Initialize decoder. + dec->alph_dec_ = ALPHNew(); + if (dec->alph_dec_ == NULL) return NULL; + if (!AllocateAlphaPlane(dec, io)) goto Error; + if (!ALPHInit(dec->alph_dec_, dec->alpha_data_, dec->alpha_data_size_, + io, dec->alpha_plane_)) { + goto Error; + } + // if we allowed use of alpha dithering, check whether it's needed at all + if (dec->alph_dec_->pre_processing_ != ALPHA_PREPROCESSED_LEVELS) { + dec->alpha_dithering_ = 0; // disable dithering + } else { + num_rows = height - row; // decode everything in one pass + } + } + + assert(dec->alph_dec_ != NULL); + assert(row + num_rows <= height); + if (!ALPHDecode(dec, row, num_rows)) goto Error; + + if (dec->is_alpha_decoded_) { // finished? + ALPHDelete(dec->alph_dec_); + dec->alph_dec_ = NULL; + if (dec->alpha_dithering_ > 0) { + uint8_t* const alpha = dec->alpha_plane_ + io->crop_top * width + + io->crop_left; + if (!WebPDequantizeLevels(alpha, + io->crop_right - io->crop_left, + io->crop_bottom - io->crop_top, + width, dec->alpha_dithering_)) { + goto Error; + } + } + } + } + + // Return a pointer to the current decoded row. + return dec->alpha_plane_ + row * width; + + Error: + WebPDeallocateAlphaMemory(dec); + return NULL; +} diff --git a/ProductApp/Pods/libwebp/src/dec/alphai_dec.h b/ProductApp/Pods/libwebp/src/dec/alphai_dec.h new file mode 100644 index 0000000..a64104a --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dec/alphai_dec.h @@ -0,0 +1,54 @@ +// Copyright 2013 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Alpha decoder: internal header. +// +// Author: Urvang (urvang@google.com) + +#ifndef WEBP_DEC_ALPHAI_DEC_H_ +#define WEBP_DEC_ALPHAI_DEC_H_ + +#include "src/dec/webpi_dec.h" +#include "src/utils/filters_utils.h" + +#ifdef __cplusplus +extern "C" { +#endif + +struct VP8LDecoder; // Defined in dec/vp8li.h. + +typedef struct ALPHDecoder ALPHDecoder; +struct ALPHDecoder { + int width_; + int height_; + int method_; + WEBP_FILTER_TYPE filter_; + int pre_processing_; + struct VP8LDecoder* vp8l_dec_; + VP8Io io_; + int use_8b_decode_; // Although alpha channel requires only 1 byte per + // pixel, sometimes VP8LDecoder may need to allocate + // 4 bytes per pixel internally during decode. + uint8_t* output_; + const uint8_t* prev_line_; // last output row (or NULL) +}; + +//------------------------------------------------------------------------------ +// internal functions. Not public. + +// Deallocate memory associated to dec->alpha_plane_ decoding +void WebPDeallocateAlphaMemory(VP8Decoder* const dec); + +//------------------------------------------------------------------------------ + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_DEC_ALPHAI_DEC_H_ diff --git a/ProductApp/Pods/libwebp/src/dec/buffer_dec.c b/ProductApp/Pods/libwebp/src/dec/buffer_dec.c new file mode 100644 index 0000000..4786cf0 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dec/buffer_dec.c @@ -0,0 +1,310 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Everything about WebPDecBuffer +// +// Author: Skal (pascal.massimino@gmail.com) + +#include + +#include "src/dec/vp8i_dec.h" +#include "src/dec/webpi_dec.h" +#include "src/utils/utils.h" + +//------------------------------------------------------------------------------ +// WebPDecBuffer + +// Number of bytes per pixel for the different color-spaces. +static const uint8_t kModeBpp[MODE_LAST] = { + 3, 4, 3, 4, 4, 2, 2, + 4, 4, 4, 2, // pre-multiplied modes + 1, 1 }; + +// Check that webp_csp_mode is within the bounds of WEBP_CSP_MODE. +// Convert to an integer to handle both the unsigned/signed enum cases +// without the need for casting to remove type limit warnings. +static int IsValidColorspace(int webp_csp_mode) { + return (webp_csp_mode >= MODE_RGB && webp_csp_mode < MODE_LAST); +} + +// strictly speaking, the very last (or first, if flipped) row +// doesn't require padding. +#define MIN_BUFFER_SIZE(WIDTH, HEIGHT, STRIDE) \ + ((uint64_t)(STRIDE) * ((HEIGHT) - 1) + (WIDTH)) + +static VP8StatusCode CheckDecBuffer(const WebPDecBuffer* const buffer) { + int ok = 1; + const WEBP_CSP_MODE mode = buffer->colorspace; + const int width = buffer->width; + const int height = buffer->height; + if (!IsValidColorspace(mode)) { + ok = 0; + } else if (!WebPIsRGBMode(mode)) { // YUV checks + const WebPYUVABuffer* const buf = &buffer->u.YUVA; + const int uv_width = (width + 1) / 2; + const int uv_height = (height + 1) / 2; + const int y_stride = abs(buf->y_stride); + const int u_stride = abs(buf->u_stride); + const int v_stride = abs(buf->v_stride); + const int a_stride = abs(buf->a_stride); + const uint64_t y_size = MIN_BUFFER_SIZE(width, height, y_stride); + const uint64_t u_size = MIN_BUFFER_SIZE(uv_width, uv_height, u_stride); + const uint64_t v_size = MIN_BUFFER_SIZE(uv_width, uv_height, v_stride); + const uint64_t a_size = MIN_BUFFER_SIZE(width, height, a_stride); + ok &= (y_size <= buf->y_size); + ok &= (u_size <= buf->u_size); + ok &= (v_size <= buf->v_size); + ok &= (y_stride >= width); + ok &= (u_stride >= uv_width); + ok &= (v_stride >= uv_width); + ok &= (buf->y != NULL); + ok &= (buf->u != NULL); + ok &= (buf->v != NULL); + if (mode == MODE_YUVA) { + ok &= (a_stride >= width); + ok &= (a_size <= buf->a_size); + ok &= (buf->a != NULL); + } + } else { // RGB checks + const WebPRGBABuffer* const buf = &buffer->u.RGBA; + const int stride = abs(buf->stride); + const uint64_t size = + MIN_BUFFER_SIZE(width * kModeBpp[mode], height, stride); + ok &= (size <= buf->size); + ok &= (stride >= width * kModeBpp[mode]); + ok &= (buf->rgba != NULL); + } + return ok ? VP8_STATUS_OK : VP8_STATUS_INVALID_PARAM; +} +#undef MIN_BUFFER_SIZE + +static VP8StatusCode AllocateBuffer(WebPDecBuffer* const buffer) { + const int w = buffer->width; + const int h = buffer->height; + const WEBP_CSP_MODE mode = buffer->colorspace; + + if (w <= 0 || h <= 0 || !IsValidColorspace(mode)) { + return VP8_STATUS_INVALID_PARAM; + } + + if (buffer->is_external_memory <= 0 && buffer->private_memory == NULL) { + uint8_t* output; + int uv_stride = 0, a_stride = 0; + uint64_t uv_size = 0, a_size = 0, total_size; + // We need memory and it hasn't been allocated yet. + // => initialize output buffer, now that dimensions are known. + int stride; + uint64_t size; + + if ((uint64_t)w * kModeBpp[mode] >= (1ull << 31)) { + return VP8_STATUS_INVALID_PARAM; + } + stride = w * kModeBpp[mode]; + size = (uint64_t)stride * h; + if (!WebPIsRGBMode(mode)) { + uv_stride = (w + 1) / 2; + uv_size = (uint64_t)uv_stride * ((h + 1) / 2); + if (mode == MODE_YUVA) { + a_stride = w; + a_size = (uint64_t)a_stride * h; + } + } + total_size = size + 2 * uv_size + a_size; + + output = (uint8_t*)WebPSafeMalloc(total_size, sizeof(*output)); + if (output == NULL) { + return VP8_STATUS_OUT_OF_MEMORY; + } + buffer->private_memory = output; + + if (!WebPIsRGBMode(mode)) { // YUVA initialization + WebPYUVABuffer* const buf = &buffer->u.YUVA; + buf->y = output; + buf->y_stride = stride; + buf->y_size = (size_t)size; + buf->u = output + size; + buf->u_stride = uv_stride; + buf->u_size = (size_t)uv_size; + buf->v = output + size + uv_size; + buf->v_stride = uv_stride; + buf->v_size = (size_t)uv_size; + if (mode == MODE_YUVA) { + buf->a = output + size + 2 * uv_size; + } + buf->a_size = (size_t)a_size; + buf->a_stride = a_stride; + } else { // RGBA initialization + WebPRGBABuffer* const buf = &buffer->u.RGBA; + buf->rgba = output; + buf->stride = stride; + buf->size = (size_t)size; + } + } + return CheckDecBuffer(buffer); +} + +VP8StatusCode WebPFlipBuffer(WebPDecBuffer* const buffer) { + if (buffer == NULL) { + return VP8_STATUS_INVALID_PARAM; + } + if (WebPIsRGBMode(buffer->colorspace)) { + WebPRGBABuffer* const buf = &buffer->u.RGBA; + buf->rgba += (int64_t)(buffer->height - 1) * buf->stride; + buf->stride = -buf->stride; + } else { + WebPYUVABuffer* const buf = &buffer->u.YUVA; + const int64_t H = buffer->height; + buf->y += (H - 1) * buf->y_stride; + buf->y_stride = -buf->y_stride; + buf->u += ((H - 1) >> 1) * buf->u_stride; + buf->u_stride = -buf->u_stride; + buf->v += ((H - 1) >> 1) * buf->v_stride; + buf->v_stride = -buf->v_stride; + if (buf->a != NULL) { + buf->a += (H - 1) * buf->a_stride; + buf->a_stride = -buf->a_stride; + } + } + return VP8_STATUS_OK; +} + +VP8StatusCode WebPAllocateDecBuffer(int width, int height, + const WebPDecoderOptions* const options, + WebPDecBuffer* const buffer) { + VP8StatusCode status; + if (buffer == NULL || width <= 0 || height <= 0) { + return VP8_STATUS_INVALID_PARAM; + } + if (options != NULL) { // First, apply options if there is any. + if (options->use_cropping) { + const int cw = options->crop_width; + const int ch = options->crop_height; + const int x = options->crop_left & ~1; + const int y = options->crop_top & ~1; + if (!WebPCheckCropDimensions(width, height, x, y, cw, ch)) { + return VP8_STATUS_INVALID_PARAM; // out of frame boundary. + } + width = cw; + height = ch; + } + + if (options->use_scaling) { +#if !defined(WEBP_REDUCE_SIZE) + int scaled_width = options->scaled_width; + int scaled_height = options->scaled_height; + if (!WebPRescalerGetScaledDimensions( + width, height, &scaled_width, &scaled_height)) { + return VP8_STATUS_INVALID_PARAM; + } + width = scaled_width; + height = scaled_height; +#else + return VP8_STATUS_INVALID_PARAM; // rescaling not supported +#endif + } + } + buffer->width = width; + buffer->height = height; + + // Then, allocate buffer for real. + status = AllocateBuffer(buffer); + if (status != VP8_STATUS_OK) return status; + + // Use the stride trick if vertical flip is needed. + if (options != NULL && options->flip) { + status = WebPFlipBuffer(buffer); + } + return status; +} + +//------------------------------------------------------------------------------ +// constructors / destructors + +int WebPInitDecBufferInternal(WebPDecBuffer* buffer, int version) { + if (WEBP_ABI_IS_INCOMPATIBLE(version, WEBP_DECODER_ABI_VERSION)) { + return 0; // version mismatch + } + if (buffer == NULL) return 0; + memset(buffer, 0, sizeof(*buffer)); + return 1; +} + +void WebPFreeDecBuffer(WebPDecBuffer* buffer) { + if (buffer != NULL) { + if (buffer->is_external_memory <= 0) { + WebPSafeFree(buffer->private_memory); + } + buffer->private_memory = NULL; + } +} + +void WebPCopyDecBuffer(const WebPDecBuffer* const src, + WebPDecBuffer* const dst) { + if (src != NULL && dst != NULL) { + *dst = *src; + if (src->private_memory != NULL) { + dst->is_external_memory = 1; // dst buffer doesn't own the memory. + dst->private_memory = NULL; + } + } +} + +// Copy and transfer ownership from src to dst (beware of parameter order!) +void WebPGrabDecBuffer(WebPDecBuffer* const src, WebPDecBuffer* const dst) { + if (src != NULL && dst != NULL) { + *dst = *src; + if (src->private_memory != NULL) { + src->is_external_memory = 1; // src relinquishes ownership + src->private_memory = NULL; + } + } +} + +VP8StatusCode WebPCopyDecBufferPixels(const WebPDecBuffer* const src_buf, + WebPDecBuffer* const dst_buf) { + assert(src_buf != NULL && dst_buf != NULL); + assert(src_buf->colorspace == dst_buf->colorspace); + + dst_buf->width = src_buf->width; + dst_buf->height = src_buf->height; + if (CheckDecBuffer(dst_buf) != VP8_STATUS_OK) { + return VP8_STATUS_INVALID_PARAM; + } + if (WebPIsRGBMode(src_buf->colorspace)) { + const WebPRGBABuffer* const src = &src_buf->u.RGBA; + const WebPRGBABuffer* const dst = &dst_buf->u.RGBA; + WebPCopyPlane(src->rgba, src->stride, dst->rgba, dst->stride, + src_buf->width * kModeBpp[src_buf->colorspace], + src_buf->height); + } else { + const WebPYUVABuffer* const src = &src_buf->u.YUVA; + const WebPYUVABuffer* const dst = &dst_buf->u.YUVA; + WebPCopyPlane(src->y, src->y_stride, dst->y, dst->y_stride, + src_buf->width, src_buf->height); + WebPCopyPlane(src->u, src->u_stride, dst->u, dst->u_stride, + (src_buf->width + 1) / 2, (src_buf->height + 1) / 2); + WebPCopyPlane(src->v, src->v_stride, dst->v, dst->v_stride, + (src_buf->width + 1) / 2, (src_buf->height + 1) / 2); + if (WebPIsAlphaMode(src_buf->colorspace)) { + WebPCopyPlane(src->a, src->a_stride, dst->a, dst->a_stride, + src_buf->width, src_buf->height); + } + } + return VP8_STATUS_OK; +} + +int WebPAvoidSlowMemory(const WebPDecBuffer* const output, + const WebPBitstreamFeatures* const features) { + assert(output != NULL); + return (output->is_external_memory >= 2) && + WebPIsPremultipliedMode(output->colorspace) && + (features != NULL && features->has_alpha); +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/dec/common_dec.h b/ProductApp/Pods/libwebp/src/dec/common_dec.h new file mode 100644 index 0000000..b158550 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dec/common_dec.h @@ -0,0 +1,54 @@ +// Copyright 2015 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Definitions and macros common to encoding and decoding +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_DEC_COMMON_DEC_H_ +#define WEBP_DEC_COMMON_DEC_H_ + +// intra prediction modes +enum { B_DC_PRED = 0, // 4x4 modes + B_TM_PRED = 1, + B_VE_PRED = 2, + B_HE_PRED = 3, + B_RD_PRED = 4, + B_VR_PRED = 5, + B_LD_PRED = 6, + B_VL_PRED = 7, + B_HD_PRED = 8, + B_HU_PRED = 9, + NUM_BMODES = B_HU_PRED + 1 - B_DC_PRED, // = 10 + + // Luma16 or UV modes + DC_PRED = B_DC_PRED, V_PRED = B_VE_PRED, + H_PRED = B_HE_PRED, TM_PRED = B_TM_PRED, + B_PRED = NUM_BMODES, // refined I4x4 mode + NUM_PRED_MODES = 4, + + // special modes + B_DC_PRED_NOTOP = 4, + B_DC_PRED_NOLEFT = 5, + B_DC_PRED_NOTOPLEFT = 6, + NUM_B_DC_MODES = 7 }; + +enum { MB_FEATURE_TREE_PROBS = 3, + NUM_MB_SEGMENTS = 4, + NUM_REF_LF_DELTAS = 4, + NUM_MODE_LF_DELTAS = 4, // I4x4, ZERO, *, SPLIT + MAX_NUM_PARTITIONS = 8, + // Probabilities + NUM_TYPES = 4, // 0: i16-AC, 1: i16-DC, 2:chroma-AC, 3:i4-AC + NUM_BANDS = 8, + NUM_CTX = 3, + NUM_PROBAS = 11 + }; + +#endif // WEBP_DEC_COMMON_DEC_H_ diff --git a/ProductApp/Pods/libwebp/src/dec/frame_dec.c b/ProductApp/Pods/libwebp/src/dec/frame_dec.c new file mode 100644 index 0000000..91ca1f8 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dec/frame_dec.c @@ -0,0 +1,803 @@ +// Copyright 2010 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Frame-reconstruction function. Memory allocation. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include +#include "src/dec/vp8i_dec.h" +#include "src/utils/utils.h" + +//------------------------------------------------------------------------------ +// Main reconstruction function. + +static const uint16_t kScan[16] = { + 0 + 0 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS, + 0 + 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS, + 0 + 8 * BPS, 4 + 8 * BPS, 8 + 8 * BPS, 12 + 8 * BPS, + 0 + 12 * BPS, 4 + 12 * BPS, 8 + 12 * BPS, 12 + 12 * BPS +}; + +static int CheckMode(int mb_x, int mb_y, int mode) { + if (mode == B_DC_PRED) { + if (mb_x == 0) { + return (mb_y == 0) ? B_DC_PRED_NOTOPLEFT : B_DC_PRED_NOLEFT; + } else { + return (mb_y == 0) ? B_DC_PRED_NOTOP : B_DC_PRED; + } + } + return mode; +} + +static void Copy32b(uint8_t* const dst, const uint8_t* const src) { + memcpy(dst, src, 4); +} + +static WEBP_INLINE void DoTransform(uint32_t bits, const int16_t* const src, + uint8_t* const dst) { + switch (bits >> 30) { + case 3: + VP8Transform(src, dst, 0); + break; + case 2: + VP8TransformAC3(src, dst); + break; + case 1: + VP8TransformDC(src, dst); + break; + default: + break; + } +} + +static void DoUVTransform(uint32_t bits, const int16_t* const src, + uint8_t* const dst) { + if (bits & 0xff) { // any non-zero coeff at all? + if (bits & 0xaa) { // any non-zero AC coefficient? + VP8TransformUV(src, dst); // note we don't use the AC3 variant for U/V + } else { + VP8TransformDCUV(src, dst); + } + } +} + +static void ReconstructRow(const VP8Decoder* const dec, + const VP8ThreadContext* ctx) { + int j; + int mb_x; + const int mb_y = ctx->mb_y_; + const int cache_id = ctx->id_; + uint8_t* const y_dst = dec->yuv_b_ + Y_OFF; + uint8_t* const u_dst = dec->yuv_b_ + U_OFF; + uint8_t* const v_dst = dec->yuv_b_ + V_OFF; + + // Initialize left-most block. + for (j = 0; j < 16; ++j) { + y_dst[j * BPS - 1] = 129; + } + for (j = 0; j < 8; ++j) { + u_dst[j * BPS - 1] = 129; + v_dst[j * BPS - 1] = 129; + } + + // Init top-left sample on left column too. + if (mb_y > 0) { + y_dst[-1 - BPS] = u_dst[-1 - BPS] = v_dst[-1 - BPS] = 129; + } else { + // we only need to do this init once at block (0,0). + // Afterward, it remains valid for the whole topmost row. + memset(y_dst - BPS - 1, 127, 16 + 4 + 1); + memset(u_dst - BPS - 1, 127, 8 + 1); + memset(v_dst - BPS - 1, 127, 8 + 1); + } + + // Reconstruct one row. + for (mb_x = 0; mb_x < dec->mb_w_; ++mb_x) { + const VP8MBData* const block = ctx->mb_data_ + mb_x; + + // Rotate in the left samples from previously decoded block. We move four + // pixels at a time for alignment reason, and because of in-loop filter. + if (mb_x > 0) { + for (j = -1; j < 16; ++j) { + Copy32b(&y_dst[j * BPS - 4], &y_dst[j * BPS + 12]); + } + for (j = -1; j < 8; ++j) { + Copy32b(&u_dst[j * BPS - 4], &u_dst[j * BPS + 4]); + Copy32b(&v_dst[j * BPS - 4], &v_dst[j * BPS + 4]); + } + } + { + // bring top samples into the cache + VP8TopSamples* const top_yuv = dec->yuv_t_ + mb_x; + const int16_t* const coeffs = block->coeffs_; + uint32_t bits = block->non_zero_y_; + int n; + + if (mb_y > 0) { + memcpy(y_dst - BPS, top_yuv[0].y, 16); + memcpy(u_dst - BPS, top_yuv[0].u, 8); + memcpy(v_dst - BPS, top_yuv[0].v, 8); + } + + // predict and add residuals + if (block->is_i4x4_) { // 4x4 + uint32_t* const top_right = (uint32_t*)(y_dst - BPS + 16); + + if (mb_y > 0) { + if (mb_x >= dec->mb_w_ - 1) { // on rightmost border + memset(top_right, top_yuv[0].y[15], sizeof(*top_right)); + } else { + memcpy(top_right, top_yuv[1].y, sizeof(*top_right)); + } + } + // replicate the top-right pixels below + top_right[BPS] = top_right[2 * BPS] = top_right[3 * BPS] = top_right[0]; + + // predict and add residuals for all 4x4 blocks in turn. + for (n = 0; n < 16; ++n, bits <<= 2) { + uint8_t* const dst = y_dst + kScan[n]; + VP8PredLuma4[block->imodes_[n]](dst); + DoTransform(bits, coeffs + n * 16, dst); + } + } else { // 16x16 + const int pred_func = CheckMode(mb_x, mb_y, block->imodes_[0]); + VP8PredLuma16[pred_func](y_dst); + if (bits != 0) { + for (n = 0; n < 16; ++n, bits <<= 2) { + DoTransform(bits, coeffs + n * 16, y_dst + kScan[n]); + } + } + } + { + // Chroma + const uint32_t bits_uv = block->non_zero_uv_; + const int pred_func = CheckMode(mb_x, mb_y, block->uvmode_); + VP8PredChroma8[pred_func](u_dst); + VP8PredChroma8[pred_func](v_dst); + DoUVTransform(bits_uv >> 0, coeffs + 16 * 16, u_dst); + DoUVTransform(bits_uv >> 8, coeffs + 20 * 16, v_dst); + } + + // stash away top samples for next block + if (mb_y < dec->mb_h_ - 1) { + memcpy(top_yuv[0].y, y_dst + 15 * BPS, 16); + memcpy(top_yuv[0].u, u_dst + 7 * BPS, 8); + memcpy(top_yuv[0].v, v_dst + 7 * BPS, 8); + } + } + // Transfer reconstructed samples from yuv_b_ cache to final destination. + { + const int y_offset = cache_id * 16 * dec->cache_y_stride_; + const int uv_offset = cache_id * 8 * dec->cache_uv_stride_; + uint8_t* const y_out = dec->cache_y_ + mb_x * 16 + y_offset; + uint8_t* const u_out = dec->cache_u_ + mb_x * 8 + uv_offset; + uint8_t* const v_out = dec->cache_v_ + mb_x * 8 + uv_offset; + for (j = 0; j < 16; ++j) { + memcpy(y_out + j * dec->cache_y_stride_, y_dst + j * BPS, 16); + } + for (j = 0; j < 8; ++j) { + memcpy(u_out + j * dec->cache_uv_stride_, u_dst + j * BPS, 8); + memcpy(v_out + j * dec->cache_uv_stride_, v_dst + j * BPS, 8); + } + } + } +} + +//------------------------------------------------------------------------------ +// Filtering + +// kFilterExtraRows[] = How many extra lines are needed on the MB boundary +// for caching, given a filtering level. +// Simple filter: up to 2 luma samples are read and 1 is written. +// Complex filter: up to 4 luma samples are read and 3 are written. Same for +// U/V, so it's 8 samples total (because of the 2x upsampling). +static const uint8_t kFilterExtraRows[3] = { 0, 2, 8 }; + +static void DoFilter(const VP8Decoder* const dec, int mb_x, int mb_y) { + const VP8ThreadContext* const ctx = &dec->thread_ctx_; + const int cache_id = ctx->id_; + const int y_bps = dec->cache_y_stride_; + const VP8FInfo* const f_info = ctx->f_info_ + mb_x; + uint8_t* const y_dst = dec->cache_y_ + cache_id * 16 * y_bps + mb_x * 16; + const int ilevel = f_info->f_ilevel_; + const int limit = f_info->f_limit_; + if (limit == 0) { + return; + } + assert(limit >= 3); + if (dec->filter_type_ == 1) { // simple + if (mb_x > 0) { + VP8SimpleHFilter16(y_dst, y_bps, limit + 4); + } + if (f_info->f_inner_) { + VP8SimpleHFilter16i(y_dst, y_bps, limit); + } + if (mb_y > 0) { + VP8SimpleVFilter16(y_dst, y_bps, limit + 4); + } + if (f_info->f_inner_) { + VP8SimpleVFilter16i(y_dst, y_bps, limit); + } + } else { // complex + const int uv_bps = dec->cache_uv_stride_; + uint8_t* const u_dst = dec->cache_u_ + cache_id * 8 * uv_bps + mb_x * 8; + uint8_t* const v_dst = dec->cache_v_ + cache_id * 8 * uv_bps + mb_x * 8; + const int hev_thresh = f_info->hev_thresh_; + if (mb_x > 0) { + VP8HFilter16(y_dst, y_bps, limit + 4, ilevel, hev_thresh); + VP8HFilter8(u_dst, v_dst, uv_bps, limit + 4, ilevel, hev_thresh); + } + if (f_info->f_inner_) { + VP8HFilter16i(y_dst, y_bps, limit, ilevel, hev_thresh); + VP8HFilter8i(u_dst, v_dst, uv_bps, limit, ilevel, hev_thresh); + } + if (mb_y > 0) { + VP8VFilter16(y_dst, y_bps, limit + 4, ilevel, hev_thresh); + VP8VFilter8(u_dst, v_dst, uv_bps, limit + 4, ilevel, hev_thresh); + } + if (f_info->f_inner_) { + VP8VFilter16i(y_dst, y_bps, limit, ilevel, hev_thresh); + VP8VFilter8i(u_dst, v_dst, uv_bps, limit, ilevel, hev_thresh); + } + } +} + +// Filter the decoded macroblock row (if needed) +static void FilterRow(const VP8Decoder* const dec) { + int mb_x; + const int mb_y = dec->thread_ctx_.mb_y_; + assert(dec->thread_ctx_.filter_row_); + for (mb_x = dec->tl_mb_x_; mb_x < dec->br_mb_x_; ++mb_x) { + DoFilter(dec, mb_x, mb_y); + } +} + +//------------------------------------------------------------------------------ +// Precompute the filtering strength for each segment and each i4x4/i16x16 mode. + +static void PrecomputeFilterStrengths(VP8Decoder* const dec) { + if (dec->filter_type_ > 0) { + int s; + const VP8FilterHeader* const hdr = &dec->filter_hdr_; + for (s = 0; s < NUM_MB_SEGMENTS; ++s) { + int i4x4; + // First, compute the initial level + int base_level; + if (dec->segment_hdr_.use_segment_) { + base_level = dec->segment_hdr_.filter_strength_[s]; + if (!dec->segment_hdr_.absolute_delta_) { + base_level += hdr->level_; + } + } else { + base_level = hdr->level_; + } + for (i4x4 = 0; i4x4 <= 1; ++i4x4) { + VP8FInfo* const info = &dec->fstrengths_[s][i4x4]; + int level = base_level; + if (hdr->use_lf_delta_) { + level += hdr->ref_lf_delta_[0]; + if (i4x4) { + level += hdr->mode_lf_delta_[0]; + } + } + level = (level < 0) ? 0 : (level > 63) ? 63 : level; + if (level > 0) { + int ilevel = level; + if (hdr->sharpness_ > 0) { + if (hdr->sharpness_ > 4) { + ilevel >>= 2; + } else { + ilevel >>= 1; + } + if (ilevel > 9 - hdr->sharpness_) { + ilevel = 9 - hdr->sharpness_; + } + } + if (ilevel < 1) ilevel = 1; + info->f_ilevel_ = ilevel; + info->f_limit_ = 2 * level + ilevel; + info->hev_thresh_ = (level >= 40) ? 2 : (level >= 15) ? 1 : 0; + } else { + info->f_limit_ = 0; // no filtering + } + info->f_inner_ = i4x4; + } + } + } +} + +//------------------------------------------------------------------------------ +// Dithering + +// minimal amp that will provide a non-zero dithering effect +#define MIN_DITHER_AMP 4 + +#define DITHER_AMP_TAB_SIZE 12 +static const uint8_t kQuantToDitherAmp[DITHER_AMP_TAB_SIZE] = { + // roughly, it's dqm->uv_mat_[1] + 8, 7, 6, 4, 4, 2, 2, 2, 1, 1, 1, 1 +}; + +void VP8InitDithering(const WebPDecoderOptions* const options, + VP8Decoder* const dec) { + assert(dec != NULL); + if (options != NULL) { + const int d = options->dithering_strength; + const int max_amp = (1 << VP8_RANDOM_DITHER_FIX) - 1; + const int f = (d < 0) ? 0 : (d > 100) ? max_amp : (d * max_amp / 100); + if (f > 0) { + int s; + int all_amp = 0; + for (s = 0; s < NUM_MB_SEGMENTS; ++s) { + VP8QuantMatrix* const dqm = &dec->dqm_[s]; + if (dqm->uv_quant_ < DITHER_AMP_TAB_SIZE) { + const int idx = (dqm->uv_quant_ < 0) ? 0 : dqm->uv_quant_; + dqm->dither_ = (f * kQuantToDitherAmp[idx]) >> 3; + } + all_amp |= dqm->dither_; + } + if (all_amp != 0) { + VP8InitRandom(&dec->dithering_rg_, 1.0f); + dec->dither_ = 1; + } + } + // potentially allow alpha dithering + dec->alpha_dithering_ = options->alpha_dithering_strength; + if (dec->alpha_dithering_ > 100) { + dec->alpha_dithering_ = 100; + } else if (dec->alpha_dithering_ < 0) { + dec->alpha_dithering_ = 0; + } + } +} + +// Convert to range: [-2,2] for dither=50, [-4,4] for dither=100 +static void Dither8x8(VP8Random* const rg, uint8_t* dst, int bps, int amp) { + uint8_t dither[64]; + int i; + for (i = 0; i < 8 * 8; ++i) { + dither[i] = VP8RandomBits2(rg, VP8_DITHER_AMP_BITS + 1, amp); + } + VP8DitherCombine8x8(dither, dst, bps); +} + +static void DitherRow(VP8Decoder* const dec) { + int mb_x; + assert(dec->dither_); + for (mb_x = dec->tl_mb_x_; mb_x < dec->br_mb_x_; ++mb_x) { + const VP8ThreadContext* const ctx = &dec->thread_ctx_; + const VP8MBData* const data = ctx->mb_data_ + mb_x; + const int cache_id = ctx->id_; + const int uv_bps = dec->cache_uv_stride_; + if (data->dither_ >= MIN_DITHER_AMP) { + uint8_t* const u_dst = dec->cache_u_ + cache_id * 8 * uv_bps + mb_x * 8; + uint8_t* const v_dst = dec->cache_v_ + cache_id * 8 * uv_bps + mb_x * 8; + Dither8x8(&dec->dithering_rg_, u_dst, uv_bps, data->dither_); + Dither8x8(&dec->dithering_rg_, v_dst, uv_bps, data->dither_); + } + } +} + +//------------------------------------------------------------------------------ +// This function is called after a row of macroblocks is finished decoding. +// It also takes into account the following restrictions: +// * In case of in-loop filtering, we must hold off sending some of the bottom +// pixels as they are yet unfiltered. They will be when the next macroblock +// row is decoded. Meanwhile, we must preserve them by rotating them in the +// cache area. This doesn't hold for the very bottom row of the uncropped +// picture of course. +// * we must clip the remaining pixels against the cropping area. The VP8Io +// struct must have the following fields set correctly before calling put(): + +#define MACROBLOCK_VPOS(mb_y) ((mb_y) * 16) // vertical position of a MB + +// Finalize and transmit a complete row. Return false in case of user-abort. +static int FinishRow(void* arg1, void* arg2) { + VP8Decoder* const dec = (VP8Decoder*)arg1; + VP8Io* const io = (VP8Io*)arg2; + int ok = 1; + const VP8ThreadContext* const ctx = &dec->thread_ctx_; + const int cache_id = ctx->id_; + const int extra_y_rows = kFilterExtraRows[dec->filter_type_]; + const int ysize = extra_y_rows * dec->cache_y_stride_; + const int uvsize = (extra_y_rows / 2) * dec->cache_uv_stride_; + const int y_offset = cache_id * 16 * dec->cache_y_stride_; + const int uv_offset = cache_id * 8 * dec->cache_uv_stride_; + uint8_t* const ydst = dec->cache_y_ - ysize + y_offset; + uint8_t* const udst = dec->cache_u_ - uvsize + uv_offset; + uint8_t* const vdst = dec->cache_v_ - uvsize + uv_offset; + const int mb_y = ctx->mb_y_; + const int is_first_row = (mb_y == 0); + const int is_last_row = (mb_y >= dec->br_mb_y_ - 1); + + if (dec->mt_method_ == 2) { + ReconstructRow(dec, ctx); + } + + if (ctx->filter_row_) { + FilterRow(dec); + } + + if (dec->dither_) { + DitherRow(dec); + } + + if (io->put != NULL) { + int y_start = MACROBLOCK_VPOS(mb_y); + int y_end = MACROBLOCK_VPOS(mb_y + 1); + if (!is_first_row) { + y_start -= extra_y_rows; + io->y = ydst; + io->u = udst; + io->v = vdst; + } else { + io->y = dec->cache_y_ + y_offset; + io->u = dec->cache_u_ + uv_offset; + io->v = dec->cache_v_ + uv_offset; + } + + if (!is_last_row) { + y_end -= extra_y_rows; + } + if (y_end > io->crop_bottom) { + y_end = io->crop_bottom; // make sure we don't overflow on last row. + } + // If dec->alpha_data_ is not NULL, we have some alpha plane present. + io->a = NULL; + if (dec->alpha_data_ != NULL && y_start < y_end) { + io->a = VP8DecompressAlphaRows(dec, io, y_start, y_end - y_start); + if (io->a == NULL) { + return VP8SetError(dec, VP8_STATUS_BITSTREAM_ERROR, + "Could not decode alpha data."); + } + } + if (y_start < io->crop_top) { + const int delta_y = io->crop_top - y_start; + y_start = io->crop_top; + assert(!(delta_y & 1)); + io->y += dec->cache_y_stride_ * delta_y; + io->u += dec->cache_uv_stride_ * (delta_y >> 1); + io->v += dec->cache_uv_stride_ * (delta_y >> 1); + if (io->a != NULL) { + io->a += io->width * delta_y; + } + } + if (y_start < y_end) { + io->y += io->crop_left; + io->u += io->crop_left >> 1; + io->v += io->crop_left >> 1; + if (io->a != NULL) { + io->a += io->crop_left; + } + io->mb_y = y_start - io->crop_top; + io->mb_w = io->crop_right - io->crop_left; + io->mb_h = y_end - y_start; + ok = io->put(io); + } + } + // rotate top samples if needed + if (cache_id + 1 == dec->num_caches_) { + if (!is_last_row) { + memcpy(dec->cache_y_ - ysize, ydst + 16 * dec->cache_y_stride_, ysize); + memcpy(dec->cache_u_ - uvsize, udst + 8 * dec->cache_uv_stride_, uvsize); + memcpy(dec->cache_v_ - uvsize, vdst + 8 * dec->cache_uv_stride_, uvsize); + } + } + + return ok; +} + +#undef MACROBLOCK_VPOS + +//------------------------------------------------------------------------------ + +int VP8ProcessRow(VP8Decoder* const dec, VP8Io* const io) { + int ok = 1; + VP8ThreadContext* const ctx = &dec->thread_ctx_; + const int filter_row = + (dec->filter_type_ > 0) && + (dec->mb_y_ >= dec->tl_mb_y_) && (dec->mb_y_ <= dec->br_mb_y_); + if (dec->mt_method_ == 0) { + // ctx->id_ and ctx->f_info_ are already set + ctx->mb_y_ = dec->mb_y_; + ctx->filter_row_ = filter_row; + ReconstructRow(dec, ctx); + ok = FinishRow(dec, io); + } else { + WebPWorker* const worker = &dec->worker_; + // Finish previous job *before* updating context + ok &= WebPGetWorkerInterface()->Sync(worker); + assert(worker->status_ == OK); + if (ok) { // spawn a new deblocking/output job + ctx->io_ = *io; + ctx->id_ = dec->cache_id_; + ctx->mb_y_ = dec->mb_y_; + ctx->filter_row_ = filter_row; + if (dec->mt_method_ == 2) { // swap macroblock data + VP8MBData* const tmp = ctx->mb_data_; + ctx->mb_data_ = dec->mb_data_; + dec->mb_data_ = tmp; + } else { + // perform reconstruction directly in main thread + ReconstructRow(dec, ctx); + } + if (filter_row) { // swap filter info + VP8FInfo* const tmp = ctx->f_info_; + ctx->f_info_ = dec->f_info_; + dec->f_info_ = tmp; + } + // (reconstruct)+filter in parallel + WebPGetWorkerInterface()->Launch(worker); + if (++dec->cache_id_ == dec->num_caches_) { + dec->cache_id_ = 0; + } + } + } + return ok; +} + +//------------------------------------------------------------------------------ +// Finish setting up the decoding parameter once user's setup() is called. + +VP8StatusCode VP8EnterCritical(VP8Decoder* const dec, VP8Io* const io) { + // Call setup() first. This may trigger additional decoding features on 'io'. + // Note: Afterward, we must call teardown() no matter what. + if (io->setup != NULL && !io->setup(io)) { + VP8SetError(dec, VP8_STATUS_USER_ABORT, "Frame setup failed"); + return dec->status_; + } + + // Disable filtering per user request + if (io->bypass_filtering) { + dec->filter_type_ = 0; + } + + // Define the area where we can skip in-loop filtering, in case of cropping. + // + // 'Simple' filter reads two luma samples outside of the macroblock + // and filters one. It doesn't filter the chroma samples. Hence, we can + // avoid doing the in-loop filtering before crop_top/crop_left position. + // For the 'Complex' filter, 3 samples are read and up to 3 are filtered. + // Means: there's a dependency chain that goes all the way up to the + // top-left corner of the picture (MB #0). We must filter all the previous + // macroblocks. + { + const int extra_pixels = kFilterExtraRows[dec->filter_type_]; + if (dec->filter_type_ == 2) { + // For complex filter, we need to preserve the dependency chain. + dec->tl_mb_x_ = 0; + dec->tl_mb_y_ = 0; + } else { + // For simple filter, we can filter only the cropped region. + // We include 'extra_pixels' on the other side of the boundary, since + // vertical or horizontal filtering of the previous macroblock can + // modify some abutting pixels. + dec->tl_mb_x_ = (io->crop_left - extra_pixels) >> 4; + dec->tl_mb_y_ = (io->crop_top - extra_pixels) >> 4; + if (dec->tl_mb_x_ < 0) dec->tl_mb_x_ = 0; + if (dec->tl_mb_y_ < 0) dec->tl_mb_y_ = 0; + } + // We need some 'extra' pixels on the right/bottom. + dec->br_mb_y_ = (io->crop_bottom + 15 + extra_pixels) >> 4; + dec->br_mb_x_ = (io->crop_right + 15 + extra_pixels) >> 4; + if (dec->br_mb_x_ > dec->mb_w_) { + dec->br_mb_x_ = dec->mb_w_; + } + if (dec->br_mb_y_ > dec->mb_h_) { + dec->br_mb_y_ = dec->mb_h_; + } + } + PrecomputeFilterStrengths(dec); + return VP8_STATUS_OK; +} + +int VP8ExitCritical(VP8Decoder* const dec, VP8Io* const io) { + int ok = 1; + if (dec->mt_method_ > 0) { + ok = WebPGetWorkerInterface()->Sync(&dec->worker_); + } + + if (io->teardown != NULL) { + io->teardown(io); + } + return ok; +} + +//------------------------------------------------------------------------------ +// For multi-threaded decoding we need to use 3 rows of 16 pixels as delay line. +// +// Reason is: the deblocking filter cannot deblock the bottom horizontal edges +// immediately, and needs to wait for first few rows of the next macroblock to +// be decoded. Hence, deblocking is lagging behind by 4 or 8 pixels (depending +// on strength). +// With two threads, the vertical positions of the rows being decoded are: +// Decode: [ 0..15][16..31][32..47][48..63][64..79][... +// Deblock: [ 0..11][12..27][28..43][44..59][... +// If we use two threads and two caches of 16 pixels, the sequence would be: +// Decode: [ 0..15][16..31][ 0..15!!][16..31][ 0..15][... +// Deblock: [ 0..11][12..27!!][-4..11][12..27][... +// The problem occurs during row [12..15!!] that both the decoding and +// deblocking threads are writing simultaneously. +// With 3 cache lines, one get a safe write pattern: +// Decode: [ 0..15][16..31][32..47][ 0..15][16..31][32..47][0.. +// Deblock: [ 0..11][12..27][28..43][-4..11][12..27][28... +// Note that multi-threaded output _without_ deblocking can make use of two +// cache lines of 16 pixels only, since there's no lagging behind. The decoding +// and output process have non-concurrent writing: +// Decode: [ 0..15][16..31][ 0..15][16..31][... +// io->put: [ 0..15][16..31][ 0..15][... + +#define MT_CACHE_LINES 3 +#define ST_CACHE_LINES 1 // 1 cache row only for single-threaded case + +// Initialize multi/single-thread worker +static int InitThreadContext(VP8Decoder* const dec) { + dec->cache_id_ = 0; + if (dec->mt_method_ > 0) { + WebPWorker* const worker = &dec->worker_; + if (!WebPGetWorkerInterface()->Reset(worker)) { + return VP8SetError(dec, VP8_STATUS_OUT_OF_MEMORY, + "thread initialization failed."); + } + worker->data1 = dec; + worker->data2 = (void*)&dec->thread_ctx_.io_; + worker->hook = FinishRow; + dec->num_caches_ = + (dec->filter_type_ > 0) ? MT_CACHE_LINES : MT_CACHE_LINES - 1; + } else { + dec->num_caches_ = ST_CACHE_LINES; + } + return 1; +} + +int VP8GetThreadMethod(const WebPDecoderOptions* const options, + const WebPHeaderStructure* const headers, + int width, int height) { + if (options == NULL || options->use_threads == 0) { + return 0; + } + (void)headers; + (void)width; + (void)height; + assert(headers == NULL || !headers->is_lossless); +#if defined(WEBP_USE_THREAD) + if (width >= MIN_WIDTH_FOR_THREADS) return 2; +#endif + return 0; +} + +#undef MT_CACHE_LINES +#undef ST_CACHE_LINES + +//------------------------------------------------------------------------------ +// Memory setup + +static int AllocateMemory(VP8Decoder* const dec) { + const int num_caches = dec->num_caches_; + const int mb_w = dec->mb_w_; + // Note: we use 'size_t' when there's no overflow risk, uint64_t otherwise. + const size_t intra_pred_mode_size = 4 * mb_w * sizeof(uint8_t); + const size_t top_size = sizeof(VP8TopSamples) * mb_w; + const size_t mb_info_size = (mb_w + 1) * sizeof(VP8MB); + const size_t f_info_size = + (dec->filter_type_ > 0) ? + mb_w * (dec->mt_method_ > 0 ? 2 : 1) * sizeof(VP8FInfo) + : 0; + const size_t yuv_size = YUV_SIZE * sizeof(*dec->yuv_b_); + const size_t mb_data_size = + (dec->mt_method_ == 2 ? 2 : 1) * mb_w * sizeof(*dec->mb_data_); + const size_t cache_height = (16 * num_caches + + kFilterExtraRows[dec->filter_type_]) * 3 / 2; + const size_t cache_size = top_size * cache_height; + // alpha_size is the only one that scales as width x height. + const uint64_t alpha_size = (dec->alpha_data_ != NULL) ? + (uint64_t)dec->pic_hdr_.width_ * dec->pic_hdr_.height_ : 0ULL; + const uint64_t needed = (uint64_t)intra_pred_mode_size + + top_size + mb_info_size + f_info_size + + yuv_size + mb_data_size + + cache_size + alpha_size + WEBP_ALIGN_CST; + uint8_t* mem; + + if (!CheckSizeOverflow(needed)) return 0; // check for overflow + if (needed > dec->mem_size_) { + WebPSafeFree(dec->mem_); + dec->mem_size_ = 0; + dec->mem_ = WebPSafeMalloc(needed, sizeof(uint8_t)); + if (dec->mem_ == NULL) { + return VP8SetError(dec, VP8_STATUS_OUT_OF_MEMORY, + "no memory during frame initialization."); + } + // down-cast is ok, thanks to WebPSafeMalloc() above. + dec->mem_size_ = (size_t)needed; + } + + mem = (uint8_t*)dec->mem_; + dec->intra_t_ = mem; + mem += intra_pred_mode_size; + + dec->yuv_t_ = (VP8TopSamples*)mem; + mem += top_size; + + dec->mb_info_ = ((VP8MB*)mem) + 1; + mem += mb_info_size; + + dec->f_info_ = f_info_size ? (VP8FInfo*)mem : NULL; + mem += f_info_size; + dec->thread_ctx_.id_ = 0; + dec->thread_ctx_.f_info_ = dec->f_info_; + if (dec->filter_type_ > 0 && dec->mt_method_ > 0) { + // secondary cache line. The deblocking process need to make use of the + // filtering strength from previous macroblock row, while the new ones + // are being decoded in parallel. We'll just swap the pointers. + dec->thread_ctx_.f_info_ += mb_w; + } + + mem = (uint8_t*)WEBP_ALIGN(mem); + assert((yuv_size & WEBP_ALIGN_CST) == 0); + dec->yuv_b_ = mem; + mem += yuv_size; + + dec->mb_data_ = (VP8MBData*)mem; + dec->thread_ctx_.mb_data_ = (VP8MBData*)mem; + if (dec->mt_method_ == 2) { + dec->thread_ctx_.mb_data_ += mb_w; + } + mem += mb_data_size; + + dec->cache_y_stride_ = 16 * mb_w; + dec->cache_uv_stride_ = 8 * mb_w; + { + const int extra_rows = kFilterExtraRows[dec->filter_type_]; + const int extra_y = extra_rows * dec->cache_y_stride_; + const int extra_uv = (extra_rows / 2) * dec->cache_uv_stride_; + dec->cache_y_ = mem + extra_y; + dec->cache_u_ = dec->cache_y_ + + 16 * num_caches * dec->cache_y_stride_ + extra_uv; + dec->cache_v_ = dec->cache_u_ + + 8 * num_caches * dec->cache_uv_stride_ + extra_uv; + dec->cache_id_ = 0; + } + mem += cache_size; + + // alpha plane + dec->alpha_plane_ = alpha_size ? mem : NULL; + mem += alpha_size; + assert(mem <= (uint8_t*)dec->mem_ + dec->mem_size_); + + // note: left/top-info is initialized once for all. + memset(dec->mb_info_ - 1, 0, mb_info_size); + VP8InitScanline(dec); // initialize left too. + + // initialize top + memset(dec->intra_t_, B_DC_PRED, intra_pred_mode_size); + + return 1; +} + +static void InitIo(VP8Decoder* const dec, VP8Io* io) { + // prepare 'io' + io->mb_y = 0; + io->y = dec->cache_y_; + io->u = dec->cache_u_; + io->v = dec->cache_v_; + io->y_stride = dec->cache_y_stride_; + io->uv_stride = dec->cache_uv_stride_; + io->a = NULL; +} + +int VP8InitFrame(VP8Decoder* const dec, VP8Io* const io) { + if (!InitThreadContext(dec)) return 0; // call first. Sets dec->num_caches_. + if (!AllocateMemory(dec)) return 0; + InitIo(dec, io); + VP8DspInit(); // Init critical function pointers and look-up tables. + return 1; +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/dec/idec_dec.c b/ProductApp/Pods/libwebp/src/dec/idec_dec.c new file mode 100644 index 0000000..9035df5 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dec/idec_dec.c @@ -0,0 +1,908 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Incremental decoding +// +// Author: somnath@google.com (Somnath Banerjee) + +#include +#include +#include + +#include "src/dec/alphai_dec.h" +#include "src/dec/webpi_dec.h" +#include "src/dec/vp8i_dec.h" +#include "src/utils/utils.h" + +// In append mode, buffer allocations increase as multiples of this value. +// Needs to be a power of 2. +#define CHUNK_SIZE 4096 +#define MAX_MB_SIZE 4096 + +//------------------------------------------------------------------------------ +// Data structures for memory and states + +// Decoding states. State normally flows as: +// WEBP_HEADER->VP8_HEADER->VP8_PARTS0->VP8_DATA->DONE for a lossy image, and +// WEBP_HEADER->VP8L_HEADER->VP8L_DATA->DONE for a lossless image. +// If there is any error the decoder goes into state ERROR. +typedef enum { + STATE_WEBP_HEADER, // All the data before that of the VP8/VP8L chunk. + STATE_VP8_HEADER, // The VP8 Frame header (within the VP8 chunk). + STATE_VP8_PARTS0, + STATE_VP8_DATA, + STATE_VP8L_HEADER, + STATE_VP8L_DATA, + STATE_DONE, + STATE_ERROR +} DecState; + +// Operating state for the MemBuffer +typedef enum { + MEM_MODE_NONE = 0, + MEM_MODE_APPEND, + MEM_MODE_MAP +} MemBufferMode; + +// storage for partition #0 and partial data (in a rolling fashion) +typedef struct { + MemBufferMode mode_; // Operation mode + size_t start_; // start location of the data to be decoded + size_t end_; // end location + size_t buf_size_; // size of the allocated buffer + uint8_t* buf_; // We don't own this buffer in case WebPIUpdate() + + size_t part0_size_; // size of partition #0 + const uint8_t* part0_buf_; // buffer to store partition #0 +} MemBuffer; + +struct WebPIDecoder { + DecState state_; // current decoding state + WebPDecParams params_; // Params to store output info + int is_lossless_; // for down-casting 'dec_'. + void* dec_; // either a VP8Decoder or a VP8LDecoder instance + VP8Io io_; + + MemBuffer mem_; // input memory buffer. + WebPDecBuffer output_; // output buffer (when no external one is supplied, + // or if the external one has slow-memory) + WebPDecBuffer* final_output_; // Slow-memory output to copy to eventually. + size_t chunk_size_; // Compressed VP8/VP8L size extracted from Header. + + int last_mb_y_; // last row reached for intra-mode decoding +}; + +// MB context to restore in case VP8DecodeMB() fails +typedef struct { + VP8MB left_; + VP8MB info_; + VP8BitReader token_br_; +} MBContext; + +//------------------------------------------------------------------------------ +// MemBuffer: incoming data handling + +static WEBP_INLINE size_t MemDataSize(const MemBuffer* mem) { + return (mem->end_ - mem->start_); +} + +// Check if we need to preserve the compressed alpha data, as it may not have +// been decoded yet. +static int NeedCompressedAlpha(const WebPIDecoder* const idec) { + if (idec->state_ == STATE_WEBP_HEADER) { + // We haven't parsed the headers yet, so we don't know whether the image is + // lossy or lossless. This also means that we haven't parsed the ALPH chunk. + return 0; + } + if (idec->is_lossless_) { + return 0; // ALPH chunk is not present for lossless images. + } else { + const VP8Decoder* const dec = (VP8Decoder*)idec->dec_; + assert(dec != NULL); // Must be true as idec->state_ != STATE_WEBP_HEADER. + return (dec->alpha_data_ != NULL) && !dec->is_alpha_decoded_; + } +} + +static void DoRemap(WebPIDecoder* const idec, ptrdiff_t offset) { + MemBuffer* const mem = &idec->mem_; + const uint8_t* const new_base = mem->buf_ + mem->start_; + // note: for VP8, setting up idec->io_ is only really needed at the beginning + // of the decoding, till partition #0 is complete. + idec->io_.data = new_base; + idec->io_.data_size = MemDataSize(mem); + + if (idec->dec_ != NULL) { + if (!idec->is_lossless_) { + VP8Decoder* const dec = (VP8Decoder*)idec->dec_; + const uint32_t last_part = dec->num_parts_minus_one_; + if (offset != 0) { + uint32_t p; + for (p = 0; p <= last_part; ++p) { + VP8RemapBitReader(dec->parts_ + p, offset); + } + // Remap partition #0 data pointer to new offset, but only in MAP + // mode (in APPEND mode, partition #0 is copied into a fixed memory). + if (mem->mode_ == MEM_MODE_MAP) { + VP8RemapBitReader(&dec->br_, offset); + } + } + { + const uint8_t* const last_start = dec->parts_[last_part].buf_; + VP8BitReaderSetBuffer(&dec->parts_[last_part], last_start, + mem->buf_ + mem->end_ - last_start); + } + if (NeedCompressedAlpha(idec)) { + ALPHDecoder* const alph_dec = dec->alph_dec_; + dec->alpha_data_ += offset; + if (alph_dec != NULL && alph_dec->vp8l_dec_ != NULL) { + if (alph_dec->method_ == ALPHA_LOSSLESS_COMPRESSION) { + VP8LDecoder* const alph_vp8l_dec = alph_dec->vp8l_dec_; + assert(dec->alpha_data_size_ >= ALPHA_HEADER_LEN); + VP8LBitReaderSetBuffer(&alph_vp8l_dec->br_, + dec->alpha_data_ + ALPHA_HEADER_LEN, + dec->alpha_data_size_ - ALPHA_HEADER_LEN); + } else { // alph_dec->method_ == ALPHA_NO_COMPRESSION + // Nothing special to do in this case. + } + } + } + } else { // Resize lossless bitreader + VP8LDecoder* const dec = (VP8LDecoder*)idec->dec_; + VP8LBitReaderSetBuffer(&dec->br_, new_base, MemDataSize(mem)); + } + } +} + +// Appends data to the end of MemBuffer->buf_. It expands the allocated memory +// size if required and also updates VP8BitReader's if new memory is allocated. +static int AppendToMemBuffer(WebPIDecoder* const idec, + const uint8_t* const data, size_t data_size) { + VP8Decoder* const dec = (VP8Decoder*)idec->dec_; + MemBuffer* const mem = &idec->mem_; + const int need_compressed_alpha = NeedCompressedAlpha(idec); + const uint8_t* const old_start = + (mem->buf_ == NULL) ? NULL : mem->buf_ + mem->start_; + const uint8_t* const old_base = + need_compressed_alpha ? dec->alpha_data_ : old_start; + assert(mem->buf_ != NULL || mem->start_ == 0); + assert(mem->mode_ == MEM_MODE_APPEND); + if (data_size > MAX_CHUNK_PAYLOAD) { + // security safeguard: trying to allocate more than what the format + // allows for a chunk should be considered a smoke smell. + return 0; + } + + if (mem->end_ + data_size > mem->buf_size_) { // Need some free memory + const size_t new_mem_start = old_start - old_base; + const size_t current_size = MemDataSize(mem) + new_mem_start; + const uint64_t new_size = (uint64_t)current_size + data_size; + const uint64_t extra_size = (new_size + CHUNK_SIZE - 1) & ~(CHUNK_SIZE - 1); + uint8_t* const new_buf = + (uint8_t*)WebPSafeMalloc(extra_size, sizeof(*new_buf)); + if (new_buf == NULL) return 0; + if (old_base != NULL) memcpy(new_buf, old_base, current_size); + WebPSafeFree(mem->buf_); + mem->buf_ = new_buf; + mem->buf_size_ = (size_t)extra_size; + mem->start_ = new_mem_start; + mem->end_ = current_size; + } + + assert(mem->buf_ != NULL); + memcpy(mem->buf_ + mem->end_, data, data_size); + mem->end_ += data_size; + assert(mem->end_ <= mem->buf_size_); + + DoRemap(idec, mem->buf_ + mem->start_ - old_start); + return 1; +} + +static int RemapMemBuffer(WebPIDecoder* const idec, + const uint8_t* const data, size_t data_size) { + MemBuffer* const mem = &idec->mem_; + const uint8_t* const old_buf = mem->buf_; + const uint8_t* const old_start = + (old_buf == NULL) ? NULL : old_buf + mem->start_; + assert(old_buf != NULL || mem->start_ == 0); + assert(mem->mode_ == MEM_MODE_MAP); + + if (data_size < mem->buf_size_) return 0; // can't remap to a shorter buffer! + + mem->buf_ = (uint8_t*)data; + mem->end_ = mem->buf_size_ = data_size; + + DoRemap(idec, mem->buf_ + mem->start_ - old_start); + return 1; +} + +static void InitMemBuffer(MemBuffer* const mem) { + mem->mode_ = MEM_MODE_NONE; + mem->buf_ = NULL; + mem->buf_size_ = 0; + mem->part0_buf_ = NULL; + mem->part0_size_ = 0; +} + +static void ClearMemBuffer(MemBuffer* const mem) { + assert(mem); + if (mem->mode_ == MEM_MODE_APPEND) { + WebPSafeFree(mem->buf_); + WebPSafeFree((void*)mem->part0_buf_); + } +} + +static int CheckMemBufferMode(MemBuffer* const mem, MemBufferMode expected) { + if (mem->mode_ == MEM_MODE_NONE) { + mem->mode_ = expected; // switch to the expected mode + } else if (mem->mode_ != expected) { + return 0; // we mixed the modes => error + } + assert(mem->mode_ == expected); // mode is ok + return 1; +} + +// To be called last. +static VP8StatusCode FinishDecoding(WebPIDecoder* const idec) { + const WebPDecoderOptions* const options = idec->params_.options; + WebPDecBuffer* const output = idec->params_.output; + + idec->state_ = STATE_DONE; + if (options != NULL && options->flip) { + const VP8StatusCode status = WebPFlipBuffer(output); + if (status != VP8_STATUS_OK) return status; + } + if (idec->final_output_ != NULL) { + WebPCopyDecBufferPixels(output, idec->final_output_); // do the slow-copy + WebPFreeDecBuffer(&idec->output_); + *output = *idec->final_output_; + idec->final_output_ = NULL; + } + return VP8_STATUS_OK; +} + +//------------------------------------------------------------------------------ +// Macroblock-decoding contexts + +static void SaveContext(const VP8Decoder* dec, const VP8BitReader* token_br, + MBContext* const context) { + context->left_ = dec->mb_info_[-1]; + context->info_ = dec->mb_info_[dec->mb_x_]; + context->token_br_ = *token_br; +} + +static void RestoreContext(const MBContext* context, VP8Decoder* const dec, + VP8BitReader* const token_br) { + dec->mb_info_[-1] = context->left_; + dec->mb_info_[dec->mb_x_] = context->info_; + *token_br = context->token_br_; +} + +//------------------------------------------------------------------------------ + +static VP8StatusCode IDecError(WebPIDecoder* const idec, VP8StatusCode error) { + if (idec->state_ == STATE_VP8_DATA) { + // Synchronize the thread, clean-up and check for errors. + VP8ExitCritical((VP8Decoder*)idec->dec_, &idec->io_); + } + idec->state_ = STATE_ERROR; + return error; +} + +static void ChangeState(WebPIDecoder* const idec, DecState new_state, + size_t consumed_bytes) { + MemBuffer* const mem = &idec->mem_; + idec->state_ = new_state; + mem->start_ += consumed_bytes; + assert(mem->start_ <= mem->end_); + idec->io_.data = mem->buf_ + mem->start_; + idec->io_.data_size = MemDataSize(mem); +} + +// Headers +static VP8StatusCode DecodeWebPHeaders(WebPIDecoder* const idec) { + MemBuffer* const mem = &idec->mem_; + const uint8_t* data = mem->buf_ + mem->start_; + size_t curr_size = MemDataSize(mem); + VP8StatusCode status; + WebPHeaderStructure headers; + + headers.data = data; + headers.data_size = curr_size; + headers.have_all_data = 0; + status = WebPParseHeaders(&headers); + if (status == VP8_STATUS_NOT_ENOUGH_DATA) { + return VP8_STATUS_SUSPENDED; // We haven't found a VP8 chunk yet. + } else if (status != VP8_STATUS_OK) { + return IDecError(idec, status); + } + + idec->chunk_size_ = headers.compressed_size; + idec->is_lossless_ = headers.is_lossless; + if (!idec->is_lossless_) { + VP8Decoder* const dec = VP8New(); + if (dec == NULL) { + return VP8_STATUS_OUT_OF_MEMORY; + } + idec->dec_ = dec; + dec->alpha_data_ = headers.alpha_data; + dec->alpha_data_size_ = headers.alpha_data_size; + ChangeState(idec, STATE_VP8_HEADER, headers.offset); + } else { + VP8LDecoder* const dec = VP8LNew(); + if (dec == NULL) { + return VP8_STATUS_OUT_OF_MEMORY; + } + idec->dec_ = dec; + ChangeState(idec, STATE_VP8L_HEADER, headers.offset); + } + return VP8_STATUS_OK; +} + +static VP8StatusCode DecodeVP8FrameHeader(WebPIDecoder* const idec) { + const uint8_t* data = idec->mem_.buf_ + idec->mem_.start_; + const size_t curr_size = MemDataSize(&idec->mem_); + int width, height; + uint32_t bits; + + if (curr_size < VP8_FRAME_HEADER_SIZE) { + // Not enough data bytes to extract VP8 Frame Header. + return VP8_STATUS_SUSPENDED; + } + if (!VP8GetInfo(data, curr_size, idec->chunk_size_, &width, &height)) { + return IDecError(idec, VP8_STATUS_BITSTREAM_ERROR); + } + + bits = data[0] | (data[1] << 8) | (data[2] << 16); + idec->mem_.part0_size_ = (bits >> 5) + VP8_FRAME_HEADER_SIZE; + + idec->io_.data = data; + idec->io_.data_size = curr_size; + idec->state_ = STATE_VP8_PARTS0; + return VP8_STATUS_OK; +} + +// Partition #0 +static VP8StatusCode CopyParts0Data(WebPIDecoder* const idec) { + VP8Decoder* const dec = (VP8Decoder*)idec->dec_; + VP8BitReader* const br = &dec->br_; + const size_t part_size = br->buf_end_ - br->buf_; + MemBuffer* const mem = &idec->mem_; + assert(!idec->is_lossless_); + assert(mem->part0_buf_ == NULL); + // the following is a format limitation, no need for runtime check: + assert(part_size <= mem->part0_size_); + if (part_size == 0) { // can't have zero-size partition #0 + return VP8_STATUS_BITSTREAM_ERROR; + } + if (mem->mode_ == MEM_MODE_APPEND) { + // We copy and grab ownership of the partition #0 data. + uint8_t* const part0_buf = (uint8_t*)WebPSafeMalloc(1ULL, part_size); + if (part0_buf == NULL) { + return VP8_STATUS_OUT_OF_MEMORY; + } + memcpy(part0_buf, br->buf_, part_size); + mem->part0_buf_ = part0_buf; + VP8BitReaderSetBuffer(br, part0_buf, part_size); + } else { + // Else: just keep pointers to the partition #0's data in dec_->br_. + } + mem->start_ += part_size; + return VP8_STATUS_OK; +} + +static VP8StatusCode DecodePartition0(WebPIDecoder* const idec) { + VP8Decoder* const dec = (VP8Decoder*)idec->dec_; + VP8Io* const io = &idec->io_; + const WebPDecParams* const params = &idec->params_; + WebPDecBuffer* const output = params->output; + + // Wait till we have enough data for the whole partition #0 + if (MemDataSize(&idec->mem_) < idec->mem_.part0_size_) { + return VP8_STATUS_SUSPENDED; + } + + if (!VP8GetHeaders(dec, io)) { + const VP8StatusCode status = dec->status_; + if (status == VP8_STATUS_SUSPENDED || + status == VP8_STATUS_NOT_ENOUGH_DATA) { + // treating NOT_ENOUGH_DATA as SUSPENDED state + return VP8_STATUS_SUSPENDED; + } + return IDecError(idec, status); + } + + // Allocate/Verify output buffer now + dec->status_ = WebPAllocateDecBuffer(io->width, io->height, params->options, + output); + if (dec->status_ != VP8_STATUS_OK) { + return IDecError(idec, dec->status_); + } + // This change must be done before calling VP8InitFrame() + dec->mt_method_ = VP8GetThreadMethod(params->options, NULL, + io->width, io->height); + VP8InitDithering(params->options, dec); + + dec->status_ = CopyParts0Data(idec); + if (dec->status_ != VP8_STATUS_OK) { + return IDecError(idec, dec->status_); + } + + // Finish setting up the decoding parameters. Will call io->setup(). + if (VP8EnterCritical(dec, io) != VP8_STATUS_OK) { + return IDecError(idec, dec->status_); + } + + // Note: past this point, teardown() must always be called + // in case of error. + idec->state_ = STATE_VP8_DATA; + // Allocate memory and prepare everything. + if (!VP8InitFrame(dec, io)) { + return IDecError(idec, dec->status_); + } + return VP8_STATUS_OK; +} + +// Remaining partitions +static VP8StatusCode DecodeRemaining(WebPIDecoder* const idec) { + VP8Decoder* const dec = (VP8Decoder*)idec->dec_; + VP8Io* const io = &idec->io_; + + // Make sure partition #0 has been read before, to set dec to ready_. + if (!dec->ready_) { + return IDecError(idec, VP8_STATUS_BITSTREAM_ERROR); + } + for (; dec->mb_y_ < dec->mb_h_; ++dec->mb_y_) { + if (idec->last_mb_y_ != dec->mb_y_) { + if (!VP8ParseIntraModeRow(&dec->br_, dec)) { + // note: normally, error shouldn't occur since we already have the whole + // partition0 available here in DecodeRemaining(). Reaching EOF while + // reading intra modes really means a BITSTREAM_ERROR. + return IDecError(idec, VP8_STATUS_BITSTREAM_ERROR); + } + idec->last_mb_y_ = dec->mb_y_; + } + for (; dec->mb_x_ < dec->mb_w_; ++dec->mb_x_) { + VP8BitReader* const token_br = + &dec->parts_[dec->mb_y_ & dec->num_parts_minus_one_]; + MBContext context; + SaveContext(dec, token_br, &context); + if (!VP8DecodeMB(dec, token_br)) { + // We shouldn't fail when MAX_MB data was available + if (dec->num_parts_minus_one_ == 0 && + MemDataSize(&idec->mem_) > MAX_MB_SIZE) { + return IDecError(idec, VP8_STATUS_BITSTREAM_ERROR); + } + // Synchronize the threads. + if (dec->mt_method_ > 0) { + if (!WebPGetWorkerInterface()->Sync(&dec->worker_)) { + return IDecError(idec, VP8_STATUS_BITSTREAM_ERROR); + } + } + RestoreContext(&context, dec, token_br); + return VP8_STATUS_SUSPENDED; + } + // Release buffer only if there is only one partition + if (dec->num_parts_minus_one_ == 0) { + idec->mem_.start_ = token_br->buf_ - idec->mem_.buf_; + assert(idec->mem_.start_ <= idec->mem_.end_); + } + } + VP8InitScanline(dec); // Prepare for next scanline + + // Reconstruct, filter and emit the row. + if (!VP8ProcessRow(dec, io)) { + return IDecError(idec, VP8_STATUS_USER_ABORT); + } + } + // Synchronize the thread and check for errors. + if (!VP8ExitCritical(dec, io)) { + idec->state_ = STATE_ERROR; // prevent re-entry in IDecError + return IDecError(idec, VP8_STATUS_USER_ABORT); + } + dec->ready_ = 0; + return FinishDecoding(idec); +} + +static VP8StatusCode ErrorStatusLossless(WebPIDecoder* const idec, + VP8StatusCode status) { + if (status == VP8_STATUS_SUSPENDED || status == VP8_STATUS_NOT_ENOUGH_DATA) { + return VP8_STATUS_SUSPENDED; + } + return IDecError(idec, status); +} + +static VP8StatusCode DecodeVP8LHeader(WebPIDecoder* const idec) { + VP8Io* const io = &idec->io_; + VP8LDecoder* const dec = (VP8LDecoder*)idec->dec_; + const WebPDecParams* const params = &idec->params_; + WebPDecBuffer* const output = params->output; + size_t curr_size = MemDataSize(&idec->mem_); + assert(idec->is_lossless_); + + // Wait until there's enough data for decoding header. + if (curr_size < (idec->chunk_size_ >> 3)) { + dec->status_ = VP8_STATUS_SUSPENDED; + return ErrorStatusLossless(idec, dec->status_); + } + + if (!VP8LDecodeHeader(dec, io)) { + if (dec->status_ == VP8_STATUS_BITSTREAM_ERROR && + curr_size < idec->chunk_size_) { + dec->status_ = VP8_STATUS_SUSPENDED; + } + return ErrorStatusLossless(idec, dec->status_); + } + // Allocate/verify output buffer now. + dec->status_ = WebPAllocateDecBuffer(io->width, io->height, params->options, + output); + if (dec->status_ != VP8_STATUS_OK) { + return IDecError(idec, dec->status_); + } + + idec->state_ = STATE_VP8L_DATA; + return VP8_STATUS_OK; +} + +static VP8StatusCode DecodeVP8LData(WebPIDecoder* const idec) { + VP8LDecoder* const dec = (VP8LDecoder*)idec->dec_; + const size_t curr_size = MemDataSize(&idec->mem_); + assert(idec->is_lossless_); + + // Switch to incremental decoding if we don't have all the bytes available. + dec->incremental_ = (curr_size < idec->chunk_size_); + + if (!VP8LDecodeImage(dec)) { + return ErrorStatusLossless(idec, dec->status_); + } + assert(dec->status_ == VP8_STATUS_OK || dec->status_ == VP8_STATUS_SUSPENDED); + return (dec->status_ == VP8_STATUS_SUSPENDED) ? dec->status_ + : FinishDecoding(idec); +} + + // Main decoding loop +static VP8StatusCode IDecode(WebPIDecoder* idec) { + VP8StatusCode status = VP8_STATUS_SUSPENDED; + + if (idec->state_ == STATE_WEBP_HEADER) { + status = DecodeWebPHeaders(idec); + } else { + if (idec->dec_ == NULL) { + return VP8_STATUS_SUSPENDED; // can't continue if we have no decoder. + } + } + if (idec->state_ == STATE_VP8_HEADER) { + status = DecodeVP8FrameHeader(idec); + } + if (idec->state_ == STATE_VP8_PARTS0) { + status = DecodePartition0(idec); + } + if (idec->state_ == STATE_VP8_DATA) { + const VP8Decoder* const dec = (VP8Decoder*)idec->dec_; + if (dec == NULL) { + return VP8_STATUS_SUSPENDED; // can't continue if we have no decoder. + } + status = DecodeRemaining(idec); + } + if (idec->state_ == STATE_VP8L_HEADER) { + status = DecodeVP8LHeader(idec); + } + if (idec->state_ == STATE_VP8L_DATA) { + status = DecodeVP8LData(idec); + } + return status; +} + +//------------------------------------------------------------------------------ +// Internal constructor + +static WebPIDecoder* NewDecoder(WebPDecBuffer* const output_buffer, + const WebPBitstreamFeatures* const features) { + WebPIDecoder* idec = (WebPIDecoder*)WebPSafeCalloc(1ULL, sizeof(*idec)); + if (idec == NULL) { + return NULL; + } + + idec->state_ = STATE_WEBP_HEADER; + idec->chunk_size_ = 0; + + idec->last_mb_y_ = -1; + + InitMemBuffer(&idec->mem_); + WebPInitDecBuffer(&idec->output_); + VP8InitIo(&idec->io_); + + WebPResetDecParams(&idec->params_); + if (output_buffer == NULL || WebPAvoidSlowMemory(output_buffer, features)) { + idec->params_.output = &idec->output_; + idec->final_output_ = output_buffer; + if (output_buffer != NULL) { + idec->params_.output->colorspace = output_buffer->colorspace; + } + } else { + idec->params_.output = output_buffer; + idec->final_output_ = NULL; + } + WebPInitCustomIo(&idec->params_, &idec->io_); // Plug the I/O functions. + + return idec; +} + +//------------------------------------------------------------------------------ +// Public functions + +WebPIDecoder* WebPINewDecoder(WebPDecBuffer* output_buffer) { + return NewDecoder(output_buffer, NULL); +} + +WebPIDecoder* WebPIDecode(const uint8_t* data, size_t data_size, + WebPDecoderConfig* config) { + WebPIDecoder* idec; + WebPBitstreamFeatures tmp_features; + WebPBitstreamFeatures* const features = + (config == NULL) ? &tmp_features : &config->input; + memset(&tmp_features, 0, sizeof(tmp_features)); + + // Parse the bitstream's features, if requested: + if (data != NULL && data_size > 0) { + if (WebPGetFeatures(data, data_size, features) != VP8_STATUS_OK) { + return NULL; + } + } + + // Create an instance of the incremental decoder + idec = (config != NULL) ? NewDecoder(&config->output, features) + : NewDecoder(NULL, features); + if (idec == NULL) { + return NULL; + } + // Finish initialization + if (config != NULL) { + idec->params_.options = &config->options; + } + return idec; +} + +void WebPIDelete(WebPIDecoder* idec) { + if (idec == NULL) return; + if (idec->dec_ != NULL) { + if (!idec->is_lossless_) { + if (idec->state_ == STATE_VP8_DATA) { + // Synchronize the thread, clean-up and check for errors. + VP8ExitCritical((VP8Decoder*)idec->dec_, &idec->io_); + } + VP8Delete((VP8Decoder*)idec->dec_); + } else { + VP8LDelete((VP8LDecoder*)idec->dec_); + } + } + ClearMemBuffer(&idec->mem_); + WebPFreeDecBuffer(&idec->output_); + WebPSafeFree(idec); +} + +//------------------------------------------------------------------------------ +// Wrapper toward WebPINewDecoder + +WebPIDecoder* WebPINewRGB(WEBP_CSP_MODE csp, uint8_t* output_buffer, + size_t output_buffer_size, int output_stride) { + const int is_external_memory = (output_buffer != NULL) ? 1 : 0; + WebPIDecoder* idec; + + if (csp >= MODE_YUV) return NULL; + if (is_external_memory == 0) { // Overwrite parameters to sane values. + output_buffer_size = 0; + output_stride = 0; + } else { // A buffer was passed. Validate the other params. + if (output_stride == 0 || output_buffer_size == 0) { + return NULL; // invalid parameter. + } + } + idec = WebPINewDecoder(NULL); + if (idec == NULL) return NULL; + idec->output_.colorspace = csp; + idec->output_.is_external_memory = is_external_memory; + idec->output_.u.RGBA.rgba = output_buffer; + idec->output_.u.RGBA.stride = output_stride; + idec->output_.u.RGBA.size = output_buffer_size; + return idec; +} + +WebPIDecoder* WebPINewYUVA(uint8_t* luma, size_t luma_size, int luma_stride, + uint8_t* u, size_t u_size, int u_stride, + uint8_t* v, size_t v_size, int v_stride, + uint8_t* a, size_t a_size, int a_stride) { + const int is_external_memory = (luma != NULL) ? 1 : 0; + WebPIDecoder* idec; + WEBP_CSP_MODE colorspace; + + if (is_external_memory == 0) { // Overwrite parameters to sane values. + luma_size = u_size = v_size = a_size = 0; + luma_stride = u_stride = v_stride = a_stride = 0; + u = v = a = NULL; + colorspace = MODE_YUVA; + } else { // A luma buffer was passed. Validate the other parameters. + if (u == NULL || v == NULL) return NULL; + if (luma_size == 0 || u_size == 0 || v_size == 0) return NULL; + if (luma_stride == 0 || u_stride == 0 || v_stride == 0) return NULL; + if (a != NULL) { + if (a_size == 0 || a_stride == 0) return NULL; + } + colorspace = (a == NULL) ? MODE_YUV : MODE_YUVA; + } + + idec = WebPINewDecoder(NULL); + if (idec == NULL) return NULL; + + idec->output_.colorspace = colorspace; + idec->output_.is_external_memory = is_external_memory; + idec->output_.u.YUVA.y = luma; + idec->output_.u.YUVA.y_stride = luma_stride; + idec->output_.u.YUVA.y_size = luma_size; + idec->output_.u.YUVA.u = u; + idec->output_.u.YUVA.u_stride = u_stride; + idec->output_.u.YUVA.u_size = u_size; + idec->output_.u.YUVA.v = v; + idec->output_.u.YUVA.v_stride = v_stride; + idec->output_.u.YUVA.v_size = v_size; + idec->output_.u.YUVA.a = a; + idec->output_.u.YUVA.a_stride = a_stride; + idec->output_.u.YUVA.a_size = a_size; + return idec; +} + +WebPIDecoder* WebPINewYUV(uint8_t* luma, size_t luma_size, int luma_stride, + uint8_t* u, size_t u_size, int u_stride, + uint8_t* v, size_t v_size, int v_stride) { + return WebPINewYUVA(luma, luma_size, luma_stride, + u, u_size, u_stride, + v, v_size, v_stride, + NULL, 0, 0); +} + +//------------------------------------------------------------------------------ + +static VP8StatusCode IDecCheckStatus(const WebPIDecoder* const idec) { + assert(idec); + if (idec->state_ == STATE_ERROR) { + return VP8_STATUS_BITSTREAM_ERROR; + } + if (idec->state_ == STATE_DONE) { + return VP8_STATUS_OK; + } + return VP8_STATUS_SUSPENDED; +} + +VP8StatusCode WebPIAppend(WebPIDecoder* idec, + const uint8_t* data, size_t data_size) { + VP8StatusCode status; + if (idec == NULL || data == NULL) { + return VP8_STATUS_INVALID_PARAM; + } + status = IDecCheckStatus(idec); + if (status != VP8_STATUS_SUSPENDED) { + return status; + } + // Check mixed calls between RemapMemBuffer and AppendToMemBuffer. + if (!CheckMemBufferMode(&idec->mem_, MEM_MODE_APPEND)) { + return VP8_STATUS_INVALID_PARAM; + } + // Append data to memory buffer + if (!AppendToMemBuffer(idec, data, data_size)) { + return VP8_STATUS_OUT_OF_MEMORY; + } + return IDecode(idec); +} + +VP8StatusCode WebPIUpdate(WebPIDecoder* idec, + const uint8_t* data, size_t data_size) { + VP8StatusCode status; + if (idec == NULL || data == NULL) { + return VP8_STATUS_INVALID_PARAM; + } + status = IDecCheckStatus(idec); + if (status != VP8_STATUS_SUSPENDED) { + return status; + } + // Check mixed calls between RemapMemBuffer and AppendToMemBuffer. + if (!CheckMemBufferMode(&idec->mem_, MEM_MODE_MAP)) { + return VP8_STATUS_INVALID_PARAM; + } + // Make the memory buffer point to the new buffer + if (!RemapMemBuffer(idec, data, data_size)) { + return VP8_STATUS_INVALID_PARAM; + } + return IDecode(idec); +} + +//------------------------------------------------------------------------------ + +static const WebPDecBuffer* GetOutputBuffer(const WebPIDecoder* const idec) { + if (idec == NULL || idec->dec_ == NULL) { + return NULL; + } + if (idec->state_ <= STATE_VP8_PARTS0) { + return NULL; + } + if (idec->final_output_ != NULL) { + return NULL; // not yet slow-copied + } + return idec->params_.output; +} + +const WebPDecBuffer* WebPIDecodedArea(const WebPIDecoder* idec, + int* left, int* top, + int* width, int* height) { + const WebPDecBuffer* const src = GetOutputBuffer(idec); + if (left != NULL) *left = 0; + if (top != NULL) *top = 0; + if (src != NULL) { + if (width != NULL) *width = src->width; + if (height != NULL) *height = idec->params_.last_y; + } else { + if (width != NULL) *width = 0; + if (height != NULL) *height = 0; + } + return src; +} + +uint8_t* WebPIDecGetRGB(const WebPIDecoder* idec, int* last_y, + int* width, int* height, int* stride) { + const WebPDecBuffer* const src = GetOutputBuffer(idec); + if (src == NULL) return NULL; + if (src->colorspace >= MODE_YUV) { + return NULL; + } + + if (last_y != NULL) *last_y = idec->params_.last_y; + if (width != NULL) *width = src->width; + if (height != NULL) *height = src->height; + if (stride != NULL) *stride = src->u.RGBA.stride; + + return src->u.RGBA.rgba; +} + +uint8_t* WebPIDecGetYUVA(const WebPIDecoder* idec, int* last_y, + uint8_t** u, uint8_t** v, uint8_t** a, + int* width, int* height, + int* stride, int* uv_stride, int* a_stride) { + const WebPDecBuffer* const src = GetOutputBuffer(idec); + if (src == NULL) return NULL; + if (src->colorspace < MODE_YUV) { + return NULL; + } + + if (last_y != NULL) *last_y = idec->params_.last_y; + if (u != NULL) *u = src->u.YUVA.u; + if (v != NULL) *v = src->u.YUVA.v; + if (a != NULL) *a = src->u.YUVA.a; + if (width != NULL) *width = src->width; + if (height != NULL) *height = src->height; + if (stride != NULL) *stride = src->u.YUVA.y_stride; + if (uv_stride != NULL) *uv_stride = src->u.YUVA.u_stride; + if (a_stride != NULL) *a_stride = src->u.YUVA.a_stride; + + return src->u.YUVA.y; +} + +int WebPISetIOHooks(WebPIDecoder* const idec, + VP8IoPutHook put, + VP8IoSetupHook setup, + VP8IoTeardownHook teardown, + void* user_data) { + if (idec == NULL || idec->state_ > STATE_WEBP_HEADER) { + return 0; + } + + idec->io_.put = put; + idec->io_.setup = setup; + idec->io_.teardown = teardown; + idec->io_.opaque = user_data; + + return 1; +} diff --git a/ProductApp/Pods/libwebp/src/dec/io_dec.c b/ProductApp/Pods/libwebp/src/dec/io_dec.c new file mode 100644 index 0000000..5ef6298 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dec/io_dec.c @@ -0,0 +1,662 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// functions for sample output. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include +#include +#include "src/dec/vp8i_dec.h" +#include "src/dec/webpi_dec.h" +#include "src/dsp/dsp.h" +#include "src/dsp/yuv.h" +#include "src/utils/utils.h" + +//------------------------------------------------------------------------------ +// Main YUV<->RGB conversion functions + +static int EmitYUV(const VP8Io* const io, WebPDecParams* const p) { + WebPDecBuffer* output = p->output; + const WebPYUVABuffer* const buf = &output->u.YUVA; + uint8_t* const y_dst = buf->y + (size_t)io->mb_y * buf->y_stride; + uint8_t* const u_dst = buf->u + (size_t)(io->mb_y >> 1) * buf->u_stride; + uint8_t* const v_dst = buf->v + (size_t)(io->mb_y >> 1) * buf->v_stride; + const int mb_w = io->mb_w; + const int mb_h = io->mb_h; + const int uv_w = (mb_w + 1) / 2; + const int uv_h = (mb_h + 1) / 2; + WebPCopyPlane(io->y, io->y_stride, y_dst, buf->y_stride, mb_w, mb_h); + WebPCopyPlane(io->u, io->uv_stride, u_dst, buf->u_stride, uv_w, uv_h); + WebPCopyPlane(io->v, io->uv_stride, v_dst, buf->v_stride, uv_w, uv_h); + return io->mb_h; +} + +// Point-sampling U/V sampler. +static int EmitSampledRGB(const VP8Io* const io, WebPDecParams* const p) { + WebPDecBuffer* const output = p->output; + WebPRGBABuffer* const buf = &output->u.RGBA; + uint8_t* const dst = buf->rgba + (size_t)io->mb_y * buf->stride; + WebPSamplerProcessPlane(io->y, io->y_stride, + io->u, io->v, io->uv_stride, + dst, buf->stride, io->mb_w, io->mb_h, + WebPSamplers[output->colorspace]); + return io->mb_h; +} + +//------------------------------------------------------------------------------ +// Fancy upsampling + +#ifdef FANCY_UPSAMPLING +static int EmitFancyRGB(const VP8Io* const io, WebPDecParams* const p) { + int num_lines_out = io->mb_h; // a priori guess + const WebPRGBABuffer* const buf = &p->output->u.RGBA; + uint8_t* dst = buf->rgba + (size_t)io->mb_y * buf->stride; + WebPUpsampleLinePairFunc upsample = WebPUpsamplers[p->output->colorspace]; + const uint8_t* cur_y = io->y; + const uint8_t* cur_u = io->u; + const uint8_t* cur_v = io->v; + const uint8_t* top_u = p->tmp_u; + const uint8_t* top_v = p->tmp_v; + int y = io->mb_y; + const int y_end = io->mb_y + io->mb_h; + const int mb_w = io->mb_w; + const int uv_w = (mb_w + 1) / 2; + + if (y == 0) { + // First line is special cased. We mirror the u/v samples at boundary. + upsample(cur_y, NULL, cur_u, cur_v, cur_u, cur_v, dst, NULL, mb_w); + } else { + // We can finish the left-over line from previous call. + upsample(p->tmp_y, cur_y, top_u, top_v, cur_u, cur_v, + dst - buf->stride, dst, mb_w); + ++num_lines_out; + } + // Loop over each output pairs of row. + for (; y + 2 < y_end; y += 2) { + top_u = cur_u; + top_v = cur_v; + cur_u += io->uv_stride; + cur_v += io->uv_stride; + dst += 2 * buf->stride; + cur_y += 2 * io->y_stride; + upsample(cur_y - io->y_stride, cur_y, + top_u, top_v, cur_u, cur_v, + dst - buf->stride, dst, mb_w); + } + // move to last row + cur_y += io->y_stride; + if (io->crop_top + y_end < io->crop_bottom) { + // Save the unfinished samples for next call (as we're not done yet). + memcpy(p->tmp_y, cur_y, mb_w * sizeof(*p->tmp_y)); + memcpy(p->tmp_u, cur_u, uv_w * sizeof(*p->tmp_u)); + memcpy(p->tmp_v, cur_v, uv_w * sizeof(*p->tmp_v)); + // The fancy upsampler leaves a row unfinished behind + // (except for the very last row) + num_lines_out--; + } else { + // Process the very last row of even-sized picture + if (!(y_end & 1)) { + upsample(cur_y, NULL, cur_u, cur_v, cur_u, cur_v, + dst + buf->stride, NULL, mb_w); + } + } + return num_lines_out; +} + +#endif /* FANCY_UPSAMPLING */ + +//------------------------------------------------------------------------------ + +static void FillAlphaPlane(uint8_t* dst, int w, int h, int stride) { + int j; + for (j = 0; j < h; ++j) { + memset(dst, 0xff, w * sizeof(*dst)); + dst += stride; + } +} + +static int EmitAlphaYUV(const VP8Io* const io, WebPDecParams* const p, + int expected_num_lines_out) { + const uint8_t* alpha = io->a; + const WebPYUVABuffer* const buf = &p->output->u.YUVA; + const int mb_w = io->mb_w; + const int mb_h = io->mb_h; + uint8_t* dst = buf->a + (size_t)io->mb_y * buf->a_stride; + int j; + (void)expected_num_lines_out; + assert(expected_num_lines_out == mb_h); + if (alpha != NULL) { + for (j = 0; j < mb_h; ++j) { + memcpy(dst, alpha, mb_w * sizeof(*dst)); + alpha += io->width; + dst += buf->a_stride; + } + } else if (buf->a != NULL) { + // the user requested alpha, but there is none, set it to opaque. + FillAlphaPlane(dst, mb_w, mb_h, buf->a_stride); + } + return 0; +} + +static int GetAlphaSourceRow(const VP8Io* const io, + const uint8_t** alpha, int* const num_rows) { + int start_y = io->mb_y; + *num_rows = io->mb_h; + + // Compensate for the 1-line delay of the fancy upscaler. + // This is similar to EmitFancyRGB(). + if (io->fancy_upsampling) { + if (start_y == 0) { + // We don't process the last row yet. It'll be done during the next call. + --*num_rows; + } else { + --start_y; + // Fortunately, *alpha data is persistent, so we can go back + // one row and finish alpha blending, now that the fancy upscaler + // completed the YUV->RGB interpolation. + *alpha -= io->width; + } + if (io->crop_top + io->mb_y + io->mb_h == io->crop_bottom) { + // If it's the very last call, we process all the remaining rows! + *num_rows = io->crop_bottom - io->crop_top - start_y; + } + } + return start_y; +} + +static int EmitAlphaRGB(const VP8Io* const io, WebPDecParams* const p, + int expected_num_lines_out) { + const uint8_t* alpha = io->a; + if (alpha != NULL) { + const int mb_w = io->mb_w; + const WEBP_CSP_MODE colorspace = p->output->colorspace; + const int alpha_first = + (colorspace == MODE_ARGB || colorspace == MODE_Argb); + const WebPRGBABuffer* const buf = &p->output->u.RGBA; + int num_rows; + const size_t start_y = GetAlphaSourceRow(io, &alpha, &num_rows); + uint8_t* const base_rgba = buf->rgba + start_y * buf->stride; + uint8_t* const dst = base_rgba + (alpha_first ? 0 : 3); + const int has_alpha = WebPDispatchAlpha(alpha, io->width, mb_w, + num_rows, dst, buf->stride); + (void)expected_num_lines_out; + assert(expected_num_lines_out == num_rows); + // has_alpha is true if there's non-trivial alpha to premultiply with. + if (has_alpha && WebPIsPremultipliedMode(colorspace)) { + WebPApplyAlphaMultiply(base_rgba, alpha_first, + mb_w, num_rows, buf->stride); + } + } + return 0; +} + +static int EmitAlphaRGBA4444(const VP8Io* const io, WebPDecParams* const p, + int expected_num_lines_out) { + const uint8_t* alpha = io->a; + if (alpha != NULL) { + const int mb_w = io->mb_w; + const WEBP_CSP_MODE colorspace = p->output->colorspace; + const WebPRGBABuffer* const buf = &p->output->u.RGBA; + int num_rows; + const size_t start_y = GetAlphaSourceRow(io, &alpha, &num_rows); + uint8_t* const base_rgba = buf->rgba + start_y * buf->stride; +#if (WEBP_SWAP_16BIT_CSP == 1) + uint8_t* alpha_dst = base_rgba; +#else + uint8_t* alpha_dst = base_rgba + 1; +#endif + uint32_t alpha_mask = 0x0f; + int i, j; + for (j = 0; j < num_rows; ++j) { + for (i = 0; i < mb_w; ++i) { + // Fill in the alpha value (converted to 4 bits). + const uint32_t alpha_value = alpha[i] >> 4; + alpha_dst[2 * i] = (alpha_dst[2 * i] & 0xf0) | alpha_value; + alpha_mask &= alpha_value; + } + alpha += io->width; + alpha_dst += buf->stride; + } + (void)expected_num_lines_out; + assert(expected_num_lines_out == num_rows); + if (alpha_mask != 0x0f && WebPIsPremultipliedMode(colorspace)) { + WebPApplyAlphaMultiply4444(base_rgba, mb_w, num_rows, buf->stride); + } + } + return 0; +} + +//------------------------------------------------------------------------------ +// YUV rescaling (no final RGB conversion needed) + +#if !defined(WEBP_REDUCE_SIZE) +static int Rescale(const uint8_t* src, int src_stride, + int new_lines, WebPRescaler* const wrk) { + int num_lines_out = 0; + while (new_lines > 0) { // import new contributions of source rows. + const int lines_in = WebPRescalerImport(wrk, new_lines, src, src_stride); + src += lines_in * src_stride; + new_lines -= lines_in; + num_lines_out += WebPRescalerExport(wrk); // emit output row(s) + } + return num_lines_out; +} + +static int EmitRescaledYUV(const VP8Io* const io, WebPDecParams* const p) { + const int mb_h = io->mb_h; + const int uv_mb_h = (mb_h + 1) >> 1; + WebPRescaler* const scaler = p->scaler_y; + int num_lines_out = 0; + if (WebPIsAlphaMode(p->output->colorspace) && io->a != NULL) { + // Before rescaling, we premultiply the luma directly into the io->y + // internal buffer. This is OK since these samples are not used for + // intra-prediction (the top samples are saved in cache_y_/u_/v_). + // But we need to cast the const away, though. + WebPMultRows((uint8_t*)io->y, io->y_stride, + io->a, io->width, io->mb_w, mb_h, 0); + } + num_lines_out = Rescale(io->y, io->y_stride, mb_h, scaler); + Rescale(io->u, io->uv_stride, uv_mb_h, p->scaler_u); + Rescale(io->v, io->uv_stride, uv_mb_h, p->scaler_v); + return num_lines_out; +} + +static int EmitRescaledAlphaYUV(const VP8Io* const io, WebPDecParams* const p, + int expected_num_lines_out) { + const WebPYUVABuffer* const buf = &p->output->u.YUVA; + uint8_t* const dst_a = buf->a + (size_t)p->last_y * buf->a_stride; + if (io->a != NULL) { + uint8_t* const dst_y = buf->y + (size_t)p->last_y * buf->y_stride; + const int num_lines_out = Rescale(io->a, io->width, io->mb_h, p->scaler_a); + assert(expected_num_lines_out == num_lines_out); + if (num_lines_out > 0) { // unmultiply the Y + WebPMultRows(dst_y, buf->y_stride, dst_a, buf->a_stride, + p->scaler_a->dst_width, num_lines_out, 1); + } + } else if (buf->a != NULL) { + // the user requested alpha, but there is none, set it to opaque. + assert(p->last_y + expected_num_lines_out <= io->scaled_height); + FillAlphaPlane(dst_a, io->scaled_width, expected_num_lines_out, + buf->a_stride); + } + return 0; +} + +static int InitYUVRescaler(const VP8Io* const io, WebPDecParams* const p) { + const int has_alpha = WebPIsAlphaMode(p->output->colorspace); + const WebPYUVABuffer* const buf = &p->output->u.YUVA; + const int out_width = io->scaled_width; + const int out_height = io->scaled_height; + const int uv_out_width = (out_width + 1) >> 1; + const int uv_out_height = (out_height + 1) >> 1; + const int uv_in_width = (io->mb_w + 1) >> 1; + const int uv_in_height = (io->mb_h + 1) >> 1; + // scratch memory for luma rescaler + const size_t work_size = 2 * (size_t)out_width; + const size_t uv_work_size = 2 * uv_out_width; // and for each u/v ones + uint64_t total_size; + size_t rescaler_size; + rescaler_t* work; + WebPRescaler* scalers; + const int num_rescalers = has_alpha ? 4 : 3; + + total_size = ((uint64_t)work_size + 2 * uv_work_size) * sizeof(*work); + if (has_alpha) { + total_size += (uint64_t)work_size * sizeof(*work); + } + rescaler_size = num_rescalers * sizeof(*p->scaler_y) + WEBP_ALIGN_CST; + total_size += rescaler_size; + if (!CheckSizeOverflow(total_size)) { + return 0; + } + + p->memory = WebPSafeMalloc(1ULL, (size_t)total_size); + if (p->memory == NULL) { + return 0; // memory error + } + work = (rescaler_t*)p->memory; + + scalers = (WebPRescaler*)WEBP_ALIGN( + (const uint8_t*)work + total_size - rescaler_size); + p->scaler_y = &scalers[0]; + p->scaler_u = &scalers[1]; + p->scaler_v = &scalers[2]; + p->scaler_a = has_alpha ? &scalers[3] : NULL; + + if (!WebPRescalerInit(p->scaler_y, io->mb_w, io->mb_h, + buf->y, out_width, out_height, buf->y_stride, 1, + work) || + !WebPRescalerInit(p->scaler_u, uv_in_width, uv_in_height, + buf->u, uv_out_width, uv_out_height, buf->u_stride, 1, + work + work_size) || + !WebPRescalerInit(p->scaler_v, uv_in_width, uv_in_height, + buf->v, uv_out_width, uv_out_height, buf->v_stride, 1, + work + work_size + uv_work_size)) { + return 0; + } + p->emit = EmitRescaledYUV; + + if (has_alpha) { + if (!WebPRescalerInit(p->scaler_a, io->mb_w, io->mb_h, + buf->a, out_width, out_height, buf->a_stride, 1, + work + work_size + 2 * uv_work_size)) { + return 0; + } + p->emit_alpha = EmitRescaledAlphaYUV; + WebPInitAlphaProcessing(); + } + return 1; +} + +//------------------------------------------------------------------------------ +// RGBA rescaling + +static int ExportRGB(WebPDecParams* const p, int y_pos) { + const WebPYUV444Converter convert = + WebPYUV444Converters[p->output->colorspace]; + const WebPRGBABuffer* const buf = &p->output->u.RGBA; + uint8_t* dst = buf->rgba + (size_t)y_pos * buf->stride; + int num_lines_out = 0; + // For RGB rescaling, because of the YUV420, current scan position + // U/V can be +1/-1 line from the Y one. Hence the double test. + while (WebPRescalerHasPendingOutput(p->scaler_y) && + WebPRescalerHasPendingOutput(p->scaler_u)) { + assert(y_pos + num_lines_out < p->output->height); + assert(p->scaler_u->y_accum == p->scaler_v->y_accum); + WebPRescalerExportRow(p->scaler_y); + WebPRescalerExportRow(p->scaler_u); + WebPRescalerExportRow(p->scaler_v); + convert(p->scaler_y->dst, p->scaler_u->dst, p->scaler_v->dst, + dst, p->scaler_y->dst_width); + dst += buf->stride; + ++num_lines_out; + } + return num_lines_out; +} + +static int EmitRescaledRGB(const VP8Io* const io, WebPDecParams* const p) { + const int mb_h = io->mb_h; + const int uv_mb_h = (mb_h + 1) >> 1; + int j = 0, uv_j = 0; + int num_lines_out = 0; + while (j < mb_h) { + const int y_lines_in = + WebPRescalerImport(p->scaler_y, mb_h - j, + io->y + (size_t)j * io->y_stride, io->y_stride); + j += y_lines_in; + if (WebPRescaleNeededLines(p->scaler_u, uv_mb_h - uv_j)) { + const int u_lines_in = WebPRescalerImport( + p->scaler_u, uv_mb_h - uv_j, io->u + (size_t)uv_j * io->uv_stride, + io->uv_stride); + const int v_lines_in = WebPRescalerImport( + p->scaler_v, uv_mb_h - uv_j, io->v + (size_t)uv_j * io->uv_stride, + io->uv_stride); + (void)v_lines_in; // remove a gcc warning + assert(u_lines_in == v_lines_in); + uv_j += u_lines_in; + } + num_lines_out += ExportRGB(p, p->last_y + num_lines_out); + } + return num_lines_out; +} + +static int ExportAlpha(WebPDecParams* const p, int y_pos, int max_lines_out) { + const WebPRGBABuffer* const buf = &p->output->u.RGBA; + uint8_t* const base_rgba = buf->rgba + (size_t)y_pos * buf->stride; + const WEBP_CSP_MODE colorspace = p->output->colorspace; + const int alpha_first = + (colorspace == MODE_ARGB || colorspace == MODE_Argb); + uint8_t* dst = base_rgba + (alpha_first ? 0 : 3); + int num_lines_out = 0; + const int is_premult_alpha = WebPIsPremultipliedMode(colorspace); + uint32_t non_opaque = 0; + const int width = p->scaler_a->dst_width; + + while (WebPRescalerHasPendingOutput(p->scaler_a) && + num_lines_out < max_lines_out) { + assert(y_pos + num_lines_out < p->output->height); + WebPRescalerExportRow(p->scaler_a); + non_opaque |= WebPDispatchAlpha(p->scaler_a->dst, 0, width, 1, dst, 0); + dst += buf->stride; + ++num_lines_out; + } + if (is_premult_alpha && non_opaque) { + WebPApplyAlphaMultiply(base_rgba, alpha_first, + width, num_lines_out, buf->stride); + } + return num_lines_out; +} + +static int ExportAlphaRGBA4444(WebPDecParams* const p, int y_pos, + int max_lines_out) { + const WebPRGBABuffer* const buf = &p->output->u.RGBA; + uint8_t* const base_rgba = buf->rgba + (size_t)y_pos * buf->stride; +#if (WEBP_SWAP_16BIT_CSP == 1) + uint8_t* alpha_dst = base_rgba; +#else + uint8_t* alpha_dst = base_rgba + 1; +#endif + int num_lines_out = 0; + const WEBP_CSP_MODE colorspace = p->output->colorspace; + const int width = p->scaler_a->dst_width; + const int is_premult_alpha = WebPIsPremultipliedMode(colorspace); + uint32_t alpha_mask = 0x0f; + + while (WebPRescalerHasPendingOutput(p->scaler_a) && + num_lines_out < max_lines_out) { + int i; + assert(y_pos + num_lines_out < p->output->height); + WebPRescalerExportRow(p->scaler_a); + for (i = 0; i < width; ++i) { + // Fill in the alpha value (converted to 4 bits). + const uint32_t alpha_value = p->scaler_a->dst[i] >> 4; + alpha_dst[2 * i] = (alpha_dst[2 * i] & 0xf0) | alpha_value; + alpha_mask &= alpha_value; + } + alpha_dst += buf->stride; + ++num_lines_out; + } + if (is_premult_alpha && alpha_mask != 0x0f) { + WebPApplyAlphaMultiply4444(base_rgba, width, num_lines_out, buf->stride); + } + return num_lines_out; +} + +static int EmitRescaledAlphaRGB(const VP8Io* const io, WebPDecParams* const p, + int expected_num_out_lines) { + if (io->a != NULL) { + WebPRescaler* const scaler = p->scaler_a; + int lines_left = expected_num_out_lines; + const int y_end = p->last_y + lines_left; + while (lines_left > 0) { + const int64_t row_offset = (int64_t)scaler->src_y - io->mb_y; + WebPRescalerImport(scaler, io->mb_h + io->mb_y - scaler->src_y, + io->a + row_offset * io->width, io->width); + lines_left -= p->emit_alpha_row(p, y_end - lines_left, lines_left); + } + } + return 0; +} + +static int InitRGBRescaler(const VP8Io* const io, WebPDecParams* const p) { + const int has_alpha = WebPIsAlphaMode(p->output->colorspace); + const int out_width = io->scaled_width; + const int out_height = io->scaled_height; + const int uv_in_width = (io->mb_w + 1) >> 1; + const int uv_in_height = (io->mb_h + 1) >> 1; + // scratch memory for one rescaler + const size_t work_size = 2 * (size_t)out_width; + rescaler_t* work; // rescalers work area + uint8_t* tmp; // tmp storage for scaled YUV444 samples before RGB conversion + uint64_t tmp_size1, tmp_size2, total_size; + size_t rescaler_size; + WebPRescaler* scalers; + const int num_rescalers = has_alpha ? 4 : 3; + + tmp_size1 = (uint64_t)num_rescalers * work_size; + tmp_size2 = (uint64_t)num_rescalers * out_width; + total_size = tmp_size1 * sizeof(*work) + tmp_size2 * sizeof(*tmp); + rescaler_size = num_rescalers * sizeof(*p->scaler_y) + WEBP_ALIGN_CST; + total_size += rescaler_size; + if (!CheckSizeOverflow(total_size)) { + return 0; + } + + p->memory = WebPSafeMalloc(1ULL, (size_t)total_size); + if (p->memory == NULL) { + return 0; // memory error + } + work = (rescaler_t*)p->memory; + tmp = (uint8_t*)(work + tmp_size1); + + scalers = (WebPRescaler*)WEBP_ALIGN( + (const uint8_t*)work + total_size - rescaler_size); + p->scaler_y = &scalers[0]; + p->scaler_u = &scalers[1]; + p->scaler_v = &scalers[2]; + p->scaler_a = has_alpha ? &scalers[3] : NULL; + + if (!WebPRescalerInit(p->scaler_y, io->mb_w, io->mb_h, + tmp + 0 * out_width, out_width, out_height, 0, 1, + work + 0 * work_size) || + !WebPRescalerInit(p->scaler_u, uv_in_width, uv_in_height, + tmp + 1 * out_width, out_width, out_height, 0, 1, + work + 1 * work_size) || + !WebPRescalerInit(p->scaler_v, uv_in_width, uv_in_height, + tmp + 2 * out_width, out_width, out_height, 0, 1, + work + 2 * work_size)) { + return 0; + } + p->emit = EmitRescaledRGB; + WebPInitYUV444Converters(); + + if (has_alpha) { + if (!WebPRescalerInit(p->scaler_a, io->mb_w, io->mb_h, + tmp + 3 * out_width, out_width, out_height, 0, 1, + work + 3 * work_size)) { + return 0; + } + p->emit_alpha = EmitRescaledAlphaRGB; + if (p->output->colorspace == MODE_RGBA_4444 || + p->output->colorspace == MODE_rgbA_4444) { + p->emit_alpha_row = ExportAlphaRGBA4444; + } else { + p->emit_alpha_row = ExportAlpha; + } + WebPInitAlphaProcessing(); + } + return 1; +} + +#endif // WEBP_REDUCE_SIZE + +//------------------------------------------------------------------------------ +// Default custom functions + +static int CustomSetup(VP8Io* io) { + WebPDecParams* const p = (WebPDecParams*)io->opaque; + const WEBP_CSP_MODE colorspace = p->output->colorspace; + const int is_rgb = WebPIsRGBMode(colorspace); + const int is_alpha = WebPIsAlphaMode(colorspace); + + p->memory = NULL; + p->emit = NULL; + p->emit_alpha = NULL; + p->emit_alpha_row = NULL; + if (!WebPIoInitFromOptions(p->options, io, is_alpha ? MODE_YUV : MODE_YUVA)) { + return 0; + } + if (is_alpha && WebPIsPremultipliedMode(colorspace)) { + WebPInitUpsamplers(); + } + if (io->use_scaling) { +#if !defined(WEBP_REDUCE_SIZE) + const int ok = is_rgb ? InitRGBRescaler(io, p) : InitYUVRescaler(io, p); + if (!ok) { + return 0; // memory error + } +#else + return 0; // rescaling support not compiled +#endif + } else { + if (is_rgb) { + WebPInitSamplers(); + p->emit = EmitSampledRGB; // default + if (io->fancy_upsampling) { +#ifdef FANCY_UPSAMPLING + const int uv_width = (io->mb_w + 1) >> 1; + p->memory = WebPSafeMalloc(1ULL, (size_t)(io->mb_w + 2 * uv_width)); + if (p->memory == NULL) { + return 0; // memory error. + } + p->tmp_y = (uint8_t*)p->memory; + p->tmp_u = p->tmp_y + io->mb_w; + p->tmp_v = p->tmp_u + uv_width; + p->emit = EmitFancyRGB; + WebPInitUpsamplers(); +#endif + } + } else { + p->emit = EmitYUV; + } + if (is_alpha) { // need transparency output + p->emit_alpha = + (colorspace == MODE_RGBA_4444 || colorspace == MODE_rgbA_4444) ? + EmitAlphaRGBA4444 + : is_rgb ? EmitAlphaRGB + : EmitAlphaYUV; + if (is_rgb) { + WebPInitAlphaProcessing(); + } + } + } + + return 1; +} + +//------------------------------------------------------------------------------ + +static int CustomPut(const VP8Io* io) { + WebPDecParams* const p = (WebPDecParams*)io->opaque; + const int mb_w = io->mb_w; + const int mb_h = io->mb_h; + int num_lines_out; + assert(!(io->mb_y & 1)); + + if (mb_w <= 0 || mb_h <= 0) { + return 0; + } + num_lines_out = p->emit(io, p); + if (p->emit_alpha != NULL) { + p->emit_alpha(io, p, num_lines_out); + } + p->last_y += num_lines_out; + return 1; +} + +//------------------------------------------------------------------------------ + +static void CustomTeardown(const VP8Io* io) { + WebPDecParams* const p = (WebPDecParams*)io->opaque; + WebPSafeFree(p->memory); + p->memory = NULL; +} + +//------------------------------------------------------------------------------ +// Main entry point + +void WebPInitCustomIo(WebPDecParams* const params, VP8Io* const io) { + io->put = CustomPut; + io->setup = CustomSetup; + io->teardown = CustomTeardown; + io->opaque = params; +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/dec/quant_dec.c b/ProductApp/Pods/libwebp/src/dec/quant_dec.c new file mode 100644 index 0000000..a0ac018 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dec/quant_dec.c @@ -0,0 +1,115 @@ +// Copyright 2010 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Quantizer initialization +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dec/vp8i_dec.h" + +static WEBP_INLINE int clip(int v, int M) { + return v < 0 ? 0 : v > M ? M : v; +} + +// Paragraph 14.1 +static const uint8_t kDcTable[128] = { + 4, 5, 6, 7, 8, 9, 10, 10, + 11, 12, 13, 14, 15, 16, 17, 17, + 18, 19, 20, 20, 21, 21, 22, 22, + 23, 23, 24, 25, 25, 26, 27, 28, + 29, 30, 31, 32, 33, 34, 35, 36, + 37, 37, 38, 39, 40, 41, 42, 43, + 44, 45, 46, 46, 47, 48, 49, 50, + 51, 52, 53, 54, 55, 56, 57, 58, + 59, 60, 61, 62, 63, 64, 65, 66, + 67, 68, 69, 70, 71, 72, 73, 74, + 75, 76, 76, 77, 78, 79, 80, 81, + 82, 83, 84, 85, 86, 87, 88, 89, + 91, 93, 95, 96, 98, 100, 101, 102, + 104, 106, 108, 110, 112, 114, 116, 118, + 122, 124, 126, 128, 130, 132, 134, 136, + 138, 140, 143, 145, 148, 151, 154, 157 +}; + +static const uint16_t kAcTable[128] = { + 4, 5, 6, 7, 8, 9, 10, 11, + 12, 13, 14, 15, 16, 17, 18, 19, + 20, 21, 22, 23, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, + 36, 37, 38, 39, 40, 41, 42, 43, + 44, 45, 46, 47, 48, 49, 50, 51, + 52, 53, 54, 55, 56, 57, 58, 60, + 62, 64, 66, 68, 70, 72, 74, 76, + 78, 80, 82, 84, 86, 88, 90, 92, + 94, 96, 98, 100, 102, 104, 106, 108, + 110, 112, 114, 116, 119, 122, 125, 128, + 131, 134, 137, 140, 143, 146, 149, 152, + 155, 158, 161, 164, 167, 170, 173, 177, + 181, 185, 189, 193, 197, 201, 205, 209, + 213, 217, 221, 225, 229, 234, 239, 245, + 249, 254, 259, 264, 269, 274, 279, 284 +}; + +//------------------------------------------------------------------------------ +// Paragraph 9.6 + +void VP8ParseQuant(VP8Decoder* const dec) { + VP8BitReader* const br = &dec->br_; + const int base_q0 = VP8GetValue(br, 7, "global-header"); + const int dqy1_dc = VP8Get(br, "global-header") ? + VP8GetSignedValue(br, 4, "global-header") : 0; + const int dqy2_dc = VP8Get(br, "global-header") ? + VP8GetSignedValue(br, 4, "global-header") : 0; + const int dqy2_ac = VP8Get(br, "global-header") ? + VP8GetSignedValue(br, 4, "global-header") : 0; + const int dquv_dc = VP8Get(br, "global-header") ? + VP8GetSignedValue(br, 4, "global-header") : 0; + const int dquv_ac = VP8Get(br, "global-header") ? + VP8GetSignedValue(br, 4, "global-header") : 0; + + const VP8SegmentHeader* const hdr = &dec->segment_hdr_; + int i; + + for (i = 0; i < NUM_MB_SEGMENTS; ++i) { + int q; + if (hdr->use_segment_) { + q = hdr->quantizer_[i]; + if (!hdr->absolute_delta_) { + q += base_q0; + } + } else { + if (i > 0) { + dec->dqm_[i] = dec->dqm_[0]; + continue; + } else { + q = base_q0; + } + } + { + VP8QuantMatrix* const m = &dec->dqm_[i]; + m->y1_mat_[0] = kDcTable[clip(q + dqy1_dc, 127)]; + m->y1_mat_[1] = kAcTable[clip(q + 0, 127)]; + + m->y2_mat_[0] = kDcTable[clip(q + dqy2_dc, 127)] * 2; + // For all x in [0..284], x*155/100 is bitwise equal to (x*101581) >> 16. + // The smallest precision for that is '(x*6349) >> 12' but 16 is a good + // word size. + m->y2_mat_[1] = (kAcTable[clip(q + dqy2_ac, 127)] * 101581) >> 16; + if (m->y2_mat_[1] < 8) m->y2_mat_[1] = 8; + + m->uv_mat_[0] = kDcTable[clip(q + dquv_dc, 117)]; + m->uv_mat_[1] = kAcTable[clip(q + dquv_ac, 127)]; + + m->uv_quant_ = q + dquv_ac; // for dithering strength evaluation + } + } +} + +//------------------------------------------------------------------------------ + diff --git a/ProductApp/Pods/libwebp/src/dec/tree_dec.c b/ProductApp/Pods/libwebp/src/dec/tree_dec.c new file mode 100644 index 0000000..2434605 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dec/tree_dec.c @@ -0,0 +1,538 @@ +// Copyright 2010 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Coding trees and probas +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dec/vp8i_dec.h" +#include "src/dsp/cpu.h" +#include "src/utils/bit_reader_inl_utils.h" + +#if !defined(USE_GENERIC_TREE) +#if !defined(__arm__) && !defined(_M_ARM) && !WEBP_AARCH64 +// using a table is ~1-2% slower on ARM. Prefer the coded-tree approach then. +#define USE_GENERIC_TREE 1 // ALTERNATE_CODE +#else +#define USE_GENERIC_TREE 0 +#endif +#endif // USE_GENERIC_TREE + +#if (USE_GENERIC_TREE == 1) +static const int8_t kYModesIntra4[18] = { + -B_DC_PRED, 1, + -B_TM_PRED, 2, + -B_VE_PRED, 3, + 4, 6, + -B_HE_PRED, 5, + -B_RD_PRED, -B_VR_PRED, + -B_LD_PRED, 7, + -B_VL_PRED, 8, + -B_HD_PRED, -B_HU_PRED +}; +#endif + +//------------------------------------------------------------------------------ +// Default probabilities + +// Paragraph 13.5 +static const uint8_t + CoeffsProba0[NUM_TYPES][NUM_BANDS][NUM_CTX][NUM_PROBAS] = { + { { { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 } + }, + { { 253, 136, 254, 255, 228, 219, 128, 128, 128, 128, 128 }, + { 189, 129, 242, 255, 227, 213, 255, 219, 128, 128, 128 }, + { 106, 126, 227, 252, 214, 209, 255, 255, 128, 128, 128 } + }, + { { 1, 98, 248, 255, 236, 226, 255, 255, 128, 128, 128 }, + { 181, 133, 238, 254, 221, 234, 255, 154, 128, 128, 128 }, + { 78, 134, 202, 247, 198, 180, 255, 219, 128, 128, 128 }, + }, + { { 1, 185, 249, 255, 243, 255, 128, 128, 128, 128, 128 }, + { 184, 150, 247, 255, 236, 224, 128, 128, 128, 128, 128 }, + { 77, 110, 216, 255, 236, 230, 128, 128, 128, 128, 128 }, + }, + { { 1, 101, 251, 255, 241, 255, 128, 128, 128, 128, 128 }, + { 170, 139, 241, 252, 236, 209, 255, 255, 128, 128, 128 }, + { 37, 116, 196, 243, 228, 255, 255, 255, 128, 128, 128 } + }, + { { 1, 204, 254, 255, 245, 255, 128, 128, 128, 128, 128 }, + { 207, 160, 250, 255, 238, 128, 128, 128, 128, 128, 128 }, + { 102, 103, 231, 255, 211, 171, 128, 128, 128, 128, 128 } + }, + { { 1, 152, 252, 255, 240, 255, 128, 128, 128, 128, 128 }, + { 177, 135, 243, 255, 234, 225, 128, 128, 128, 128, 128 }, + { 80, 129, 211, 255, 194, 224, 128, 128, 128, 128, 128 } + }, + { { 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 246, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 255, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 } + } + }, + { { { 198, 35, 237, 223, 193, 187, 162, 160, 145, 155, 62 }, + { 131, 45, 198, 221, 172, 176, 220, 157, 252, 221, 1 }, + { 68, 47, 146, 208, 149, 167, 221, 162, 255, 223, 128 } + }, + { { 1, 149, 241, 255, 221, 224, 255, 255, 128, 128, 128 }, + { 184, 141, 234, 253, 222, 220, 255, 199, 128, 128, 128 }, + { 81, 99, 181, 242, 176, 190, 249, 202, 255, 255, 128 } + }, + { { 1, 129, 232, 253, 214, 197, 242, 196, 255, 255, 128 }, + { 99, 121, 210, 250, 201, 198, 255, 202, 128, 128, 128 }, + { 23, 91, 163, 242, 170, 187, 247, 210, 255, 255, 128 } + }, + { { 1, 200, 246, 255, 234, 255, 128, 128, 128, 128, 128 }, + { 109, 178, 241, 255, 231, 245, 255, 255, 128, 128, 128 }, + { 44, 130, 201, 253, 205, 192, 255, 255, 128, 128, 128 } + }, + { { 1, 132, 239, 251, 219, 209, 255, 165, 128, 128, 128 }, + { 94, 136, 225, 251, 218, 190, 255, 255, 128, 128, 128 }, + { 22, 100, 174, 245, 186, 161, 255, 199, 128, 128, 128 } + }, + { { 1, 182, 249, 255, 232, 235, 128, 128, 128, 128, 128 }, + { 124, 143, 241, 255, 227, 234, 128, 128, 128, 128, 128 }, + { 35, 77, 181, 251, 193, 211, 255, 205, 128, 128, 128 } + }, + { { 1, 157, 247, 255, 236, 231, 255, 255, 128, 128, 128 }, + { 121, 141, 235, 255, 225, 227, 255, 255, 128, 128, 128 }, + { 45, 99, 188, 251, 195, 217, 255, 224, 128, 128, 128 } + }, + { { 1, 1, 251, 255, 213, 255, 128, 128, 128, 128, 128 }, + { 203, 1, 248, 255, 255, 128, 128, 128, 128, 128, 128 }, + { 137, 1, 177, 255, 224, 255, 128, 128, 128, 128, 128 } + } + }, + { { { 253, 9, 248, 251, 207, 208, 255, 192, 128, 128, 128 }, + { 175, 13, 224, 243, 193, 185, 249, 198, 255, 255, 128 }, + { 73, 17, 171, 221, 161, 179, 236, 167, 255, 234, 128 } + }, + { { 1, 95, 247, 253, 212, 183, 255, 255, 128, 128, 128 }, + { 239, 90, 244, 250, 211, 209, 255, 255, 128, 128, 128 }, + { 155, 77, 195, 248, 188, 195, 255, 255, 128, 128, 128 } + }, + { { 1, 24, 239, 251, 218, 219, 255, 205, 128, 128, 128 }, + { 201, 51, 219, 255, 196, 186, 128, 128, 128, 128, 128 }, + { 69, 46, 190, 239, 201, 218, 255, 228, 128, 128, 128 } + }, + { { 1, 191, 251, 255, 255, 128, 128, 128, 128, 128, 128 }, + { 223, 165, 249, 255, 213, 255, 128, 128, 128, 128, 128 }, + { 141, 124, 248, 255, 255, 128, 128, 128, 128, 128, 128 } + }, + { { 1, 16, 248, 255, 255, 128, 128, 128, 128, 128, 128 }, + { 190, 36, 230, 255, 236, 255, 128, 128, 128, 128, 128 }, + { 149, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 } + }, + { { 1, 226, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 247, 192, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 240, 128, 255, 128, 128, 128, 128, 128, 128, 128, 128 } + }, + { { 1, 134, 252, 255, 255, 128, 128, 128, 128, 128, 128 }, + { 213, 62, 250, 255, 255, 128, 128, 128, 128, 128, 128 }, + { 55, 93, 255, 128, 128, 128, 128, 128, 128, 128, 128 } + }, + { { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 } + } + }, + { { { 202, 24, 213, 235, 186, 191, 220, 160, 240, 175, 255 }, + { 126, 38, 182, 232, 169, 184, 228, 174, 255, 187, 128 }, + { 61, 46, 138, 219, 151, 178, 240, 170, 255, 216, 128 } + }, + { { 1, 112, 230, 250, 199, 191, 247, 159, 255, 255, 128 }, + { 166, 109, 228, 252, 211, 215, 255, 174, 128, 128, 128 }, + { 39, 77, 162, 232, 172, 180, 245, 178, 255, 255, 128 } + }, + { { 1, 52, 220, 246, 198, 199, 249, 220, 255, 255, 128 }, + { 124, 74, 191, 243, 183, 193, 250, 221, 255, 255, 128 }, + { 24, 71, 130, 219, 154, 170, 243, 182, 255, 255, 128 } + }, + { { 1, 182, 225, 249, 219, 240, 255, 224, 128, 128, 128 }, + { 149, 150, 226, 252, 216, 205, 255, 171, 128, 128, 128 }, + { 28, 108, 170, 242, 183, 194, 254, 223, 255, 255, 128 } + }, + { { 1, 81, 230, 252, 204, 203, 255, 192, 128, 128, 128 }, + { 123, 102, 209, 247, 188, 196, 255, 233, 128, 128, 128 }, + { 20, 95, 153, 243, 164, 173, 255, 203, 128, 128, 128 } + }, + { { 1, 222, 248, 255, 216, 213, 128, 128, 128, 128, 128 }, + { 168, 175, 246, 252, 235, 205, 255, 255, 128, 128, 128 }, + { 47, 116, 215, 255, 211, 212, 255, 255, 128, 128, 128 } + }, + { { 1, 121, 236, 253, 212, 214, 255, 255, 128, 128, 128 }, + { 141, 84, 213, 252, 201, 202, 255, 219, 128, 128, 128 }, + { 42, 80, 160, 240, 162, 185, 255, 205, 128, 128, 128 } + }, + { { 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 244, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 238, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 } + } + } +}; + +// Paragraph 11.5 +static const uint8_t kBModesProba[NUM_BMODES][NUM_BMODES][NUM_BMODES - 1] = { + { { 231, 120, 48, 89, 115, 113, 120, 152, 112 }, + { 152, 179, 64, 126, 170, 118, 46, 70, 95 }, + { 175, 69, 143, 80, 85, 82, 72, 155, 103 }, + { 56, 58, 10, 171, 218, 189, 17, 13, 152 }, + { 114, 26, 17, 163, 44, 195, 21, 10, 173 }, + { 121, 24, 80, 195, 26, 62, 44, 64, 85 }, + { 144, 71, 10, 38, 171, 213, 144, 34, 26 }, + { 170, 46, 55, 19, 136, 160, 33, 206, 71 }, + { 63, 20, 8, 114, 114, 208, 12, 9, 226 }, + { 81, 40, 11, 96, 182, 84, 29, 16, 36 } }, + { { 134, 183, 89, 137, 98, 101, 106, 165, 148 }, + { 72, 187, 100, 130, 157, 111, 32, 75, 80 }, + { 66, 102, 167, 99, 74, 62, 40, 234, 128 }, + { 41, 53, 9, 178, 241, 141, 26, 8, 107 }, + { 74, 43, 26, 146, 73, 166, 49, 23, 157 }, + { 65, 38, 105, 160, 51, 52, 31, 115, 128 }, + { 104, 79, 12, 27, 217, 255, 87, 17, 7 }, + { 87, 68, 71, 44, 114, 51, 15, 186, 23 }, + { 47, 41, 14, 110, 182, 183, 21, 17, 194 }, + { 66, 45, 25, 102, 197, 189, 23, 18, 22 } }, + { { 88, 88, 147, 150, 42, 46, 45, 196, 205 }, + { 43, 97, 183, 117, 85, 38, 35, 179, 61 }, + { 39, 53, 200, 87, 26, 21, 43, 232, 171 }, + { 56, 34, 51, 104, 114, 102, 29, 93, 77 }, + { 39, 28, 85, 171, 58, 165, 90, 98, 64 }, + { 34, 22, 116, 206, 23, 34, 43, 166, 73 }, + { 107, 54, 32, 26, 51, 1, 81, 43, 31 }, + { 68, 25, 106, 22, 64, 171, 36, 225, 114 }, + { 34, 19, 21, 102, 132, 188, 16, 76, 124 }, + { 62, 18, 78, 95, 85, 57, 50, 48, 51 } }, + { { 193, 101, 35, 159, 215, 111, 89, 46, 111 }, + { 60, 148, 31, 172, 219, 228, 21, 18, 111 }, + { 112, 113, 77, 85, 179, 255, 38, 120, 114 }, + { 40, 42, 1, 196, 245, 209, 10, 25, 109 }, + { 88, 43, 29, 140, 166, 213, 37, 43, 154 }, + { 61, 63, 30, 155, 67, 45, 68, 1, 209 }, + { 100, 80, 8, 43, 154, 1, 51, 26, 71 }, + { 142, 78, 78, 16, 255, 128, 34, 197, 171 }, + { 41, 40, 5, 102, 211, 183, 4, 1, 221 }, + { 51, 50, 17, 168, 209, 192, 23, 25, 82 } }, + { { 138, 31, 36, 171, 27, 166, 38, 44, 229 }, + { 67, 87, 58, 169, 82, 115, 26, 59, 179 }, + { 63, 59, 90, 180, 59, 166, 93, 73, 154 }, + { 40, 40, 21, 116, 143, 209, 34, 39, 175 }, + { 47, 15, 16, 183, 34, 223, 49, 45, 183 }, + { 46, 17, 33, 183, 6, 98, 15, 32, 183 }, + { 57, 46, 22, 24, 128, 1, 54, 17, 37 }, + { 65, 32, 73, 115, 28, 128, 23, 128, 205 }, + { 40, 3, 9, 115, 51, 192, 18, 6, 223 }, + { 87, 37, 9, 115, 59, 77, 64, 21, 47 } }, + { { 104, 55, 44, 218, 9, 54, 53, 130, 226 }, + { 64, 90, 70, 205, 40, 41, 23, 26, 57 }, + { 54, 57, 112, 184, 5, 41, 38, 166, 213 }, + { 30, 34, 26, 133, 152, 116, 10, 32, 134 }, + { 39, 19, 53, 221, 26, 114, 32, 73, 255 }, + { 31, 9, 65, 234, 2, 15, 1, 118, 73 }, + { 75, 32, 12, 51, 192, 255, 160, 43, 51 }, + { 88, 31, 35, 67, 102, 85, 55, 186, 85 }, + { 56, 21, 23, 111, 59, 205, 45, 37, 192 }, + { 55, 38, 70, 124, 73, 102, 1, 34, 98 } }, + { { 125, 98, 42, 88, 104, 85, 117, 175, 82 }, + { 95, 84, 53, 89, 128, 100, 113, 101, 45 }, + { 75, 79, 123, 47, 51, 128, 81, 171, 1 }, + { 57, 17, 5, 71, 102, 57, 53, 41, 49 }, + { 38, 33, 13, 121, 57, 73, 26, 1, 85 }, + { 41, 10, 67, 138, 77, 110, 90, 47, 114 }, + { 115, 21, 2, 10, 102, 255, 166, 23, 6 }, + { 101, 29, 16, 10, 85, 128, 101, 196, 26 }, + { 57, 18, 10, 102, 102, 213, 34, 20, 43 }, + { 117, 20, 15, 36, 163, 128, 68, 1, 26 } }, + { { 102, 61, 71, 37, 34, 53, 31, 243, 192 }, + { 69, 60, 71, 38, 73, 119, 28, 222, 37 }, + { 68, 45, 128, 34, 1, 47, 11, 245, 171 }, + { 62, 17, 19, 70, 146, 85, 55, 62, 70 }, + { 37, 43, 37, 154, 100, 163, 85, 160, 1 }, + { 63, 9, 92, 136, 28, 64, 32, 201, 85 }, + { 75, 15, 9, 9, 64, 255, 184, 119, 16 }, + { 86, 6, 28, 5, 64, 255, 25, 248, 1 }, + { 56, 8, 17, 132, 137, 255, 55, 116, 128 }, + { 58, 15, 20, 82, 135, 57, 26, 121, 40 } }, + { { 164, 50, 31, 137, 154, 133, 25, 35, 218 }, + { 51, 103, 44, 131, 131, 123, 31, 6, 158 }, + { 86, 40, 64, 135, 148, 224, 45, 183, 128 }, + { 22, 26, 17, 131, 240, 154, 14, 1, 209 }, + { 45, 16, 21, 91, 64, 222, 7, 1, 197 }, + { 56, 21, 39, 155, 60, 138, 23, 102, 213 }, + { 83, 12, 13, 54, 192, 255, 68, 47, 28 }, + { 85, 26, 85, 85, 128, 128, 32, 146, 171 }, + { 18, 11, 7, 63, 144, 171, 4, 4, 246 }, + { 35, 27, 10, 146, 174, 171, 12, 26, 128 } }, + { { 190, 80, 35, 99, 180, 80, 126, 54, 45 }, + { 85, 126, 47, 87, 176, 51, 41, 20, 32 }, + { 101, 75, 128, 139, 118, 146, 116, 128, 85 }, + { 56, 41, 15, 176, 236, 85, 37, 9, 62 }, + { 71, 30, 17, 119, 118, 255, 17, 18, 138 }, + { 101, 38, 60, 138, 55, 70, 43, 26, 142 }, + { 146, 36, 19, 30, 171, 255, 97, 27, 20 }, + { 138, 45, 61, 62, 219, 1, 81, 188, 64 }, + { 32, 41, 20, 117, 151, 142, 20, 21, 163 }, + { 112, 19, 12, 61, 195, 128, 48, 4, 24 } } +}; + +void VP8ResetProba(VP8Proba* const proba) { + memset(proba->segments_, 255u, sizeof(proba->segments_)); + // proba->bands_[][] is initialized later +} + +static void ParseIntraMode(VP8BitReader* const br, + VP8Decoder* const dec, int mb_x) { + uint8_t* const top = dec->intra_t_ + 4 * mb_x; + uint8_t* const left = dec->intra_l_; + VP8MBData* const block = dec->mb_data_ + mb_x; + + // Note: we don't save segment map (yet), as we don't expect + // to decode more than 1 keyframe. + if (dec->segment_hdr_.update_map_) { + // Hardcoded tree parsing + block->segment_ = !VP8GetBit(br, dec->proba_.segments_[0], "segments") + ? VP8GetBit(br, dec->proba_.segments_[1], "segments") + : VP8GetBit(br, dec->proba_.segments_[2], "segments") + 2; + } else { + block->segment_ = 0; // default for intra + } + if (dec->use_skip_proba_) block->skip_ = VP8GetBit(br, dec->skip_p_, "skip"); + + block->is_i4x4_ = !VP8GetBit(br, 145, "block-size"); + if (!block->is_i4x4_) { + // Hardcoded 16x16 intra-mode decision tree. + const int ymode = + VP8GetBit(br, 156, "pred-modes") ? + (VP8GetBit(br, 128, "pred-modes") ? TM_PRED : H_PRED) : + (VP8GetBit(br, 163, "pred-modes") ? V_PRED : DC_PRED); + block->imodes_[0] = ymode; + memset(top, ymode, 4 * sizeof(*top)); + memset(left, ymode, 4 * sizeof(*left)); + } else { + uint8_t* modes = block->imodes_; + int y; + for (y = 0; y < 4; ++y) { + int ymode = left[y]; + int x; + for (x = 0; x < 4; ++x) { + const uint8_t* const prob = kBModesProba[top[x]][ymode]; +#if (USE_GENERIC_TREE == 1) + // Generic tree-parsing + int i = kYModesIntra4[VP8GetBit(br, prob[0], "pred-modes")]; + while (i > 0) { + i = kYModesIntra4[2 * i + VP8GetBit(br, prob[i], "pred-modes")]; + } + ymode = -i; +#else + // Hardcoded tree parsing + ymode = !VP8GetBit(br, prob[0], "pred-modes") ? B_DC_PRED : + !VP8GetBit(br, prob[1], "pred-modes") ? B_TM_PRED : + !VP8GetBit(br, prob[2], "pred-modes") ? B_VE_PRED : + !VP8GetBit(br, prob[3], "pred-modes") ? + (!VP8GetBit(br, prob[4], "pred-modes") ? B_HE_PRED : + (!VP8GetBit(br, prob[5], "pred-modes") ? B_RD_PRED + : B_VR_PRED)) : + (!VP8GetBit(br, prob[6], "pred-modes") ? B_LD_PRED : + (!VP8GetBit(br, prob[7], "pred-modes") ? B_VL_PRED : + (!VP8GetBit(br, prob[8], "pred-modes") ? B_HD_PRED + : B_HU_PRED)) + ); +#endif // USE_GENERIC_TREE + top[x] = ymode; + } + memcpy(modes, top, 4 * sizeof(*top)); + modes += 4; + left[y] = ymode; + } + } + // Hardcoded UVMode decision tree + block->uvmode_ = !VP8GetBit(br, 142, "pred-modes-uv") ? DC_PRED + : !VP8GetBit(br, 114, "pred-modes-uv") ? V_PRED + : VP8GetBit(br, 183, "pred-modes-uv") ? TM_PRED : H_PRED; +} + +int VP8ParseIntraModeRow(VP8BitReader* const br, VP8Decoder* const dec) { + int mb_x; + for (mb_x = 0; mb_x < dec->mb_w_; ++mb_x) { + ParseIntraMode(br, dec, mb_x); + } + return !dec->br_.eof_; +} + +//------------------------------------------------------------------------------ +// Paragraph 13 + +static const uint8_t + CoeffsUpdateProba[NUM_TYPES][NUM_BANDS][NUM_CTX][NUM_PROBAS] = { + { { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 176, 246, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 223, 241, 252, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 249, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 244, 252, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 234, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 246, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 239, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 251, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 251, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 254, 253, 255, 254, 255, 255, 255, 255, 255, 255 }, + { 250, 255, 254, 255, 254, 255, 255, 255, 255, 255, 255 }, + { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + } + }, + { { { 217, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 225, 252, 241, 253, 255, 255, 254, 255, 255, 255, 255 }, + { 234, 250, 241, 250, 253, 255, 253, 254, 255, 255, 255 } + }, + { { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 223, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 238, 253, 254, 254, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 249, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 253, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 247, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 252, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + } + }, + { { { 186, 251, 250, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 234, 251, 244, 254, 255, 255, 255, 255, 255, 255, 255 }, + { 251, 251, 243, 253, 254, 255, 254, 255, 255, 255, 255 } + }, + { { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 236, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 251, 253, 253, 254, 254, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 254, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 254, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + } + }, + { { { 248, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 250, 254, 252, 254, 255, 255, 255, 255, 255, 255, 255 }, + { 248, 254, 249, 253, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 246, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 252, 254, 251, 254, 254, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 254, 252, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 248, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 253, 255, 254, 254, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 245, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 253, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 251, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 252, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 252, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 249, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 255, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + } + } +}; + +// Paragraph 9.9 + +static const uint8_t kBands[16 + 1] = { + 0, 1, 2, 3, 6, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, + 0 // extra entry as sentinel +}; + +void VP8ParseProba(VP8BitReader* const br, VP8Decoder* const dec) { + VP8Proba* const proba = &dec->proba_; + int t, b, c, p; + for (t = 0; t < NUM_TYPES; ++t) { + for (b = 0; b < NUM_BANDS; ++b) { + for (c = 0; c < NUM_CTX; ++c) { + for (p = 0; p < NUM_PROBAS; ++p) { + const int v = + VP8GetBit(br, CoeffsUpdateProba[t][b][c][p], "global-header") ? + VP8GetValue(br, 8, "global-header") : + CoeffsProba0[t][b][c][p]; + proba->bands_[t][b].probas_[c][p] = v; + } + } + } + for (b = 0; b < 16 + 1; ++b) { + proba->bands_ptr_[t][b] = &proba->bands_[t][kBands[b]]; + } + } + dec->use_skip_proba_ = VP8Get(br, "global-header"); + if (dec->use_skip_proba_) { + dec->skip_p_ = VP8GetValue(br, 8, "global-header"); + } +} diff --git a/ProductApp/Pods/libwebp/src/dec/vp8_dec.c b/ProductApp/Pods/libwebp/src/dec/vp8_dec.c new file mode 100644 index 0000000..20b92e8 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dec/vp8_dec.c @@ -0,0 +1,724 @@ +// Copyright 2010 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// main entry for the decoder +// +// Author: Skal (pascal.massimino@gmail.com) + +#include + +#include "src/dec/alphai_dec.h" +#include "src/dec/vp8i_dec.h" +#include "src/dec/vp8li_dec.h" +#include "src/dec/webpi_dec.h" +#include "src/utils/bit_reader_inl_utils.h" +#include "src/utils/utils.h" + +//------------------------------------------------------------------------------ + +int WebPGetDecoderVersion(void) { + return (DEC_MAJ_VERSION << 16) | (DEC_MIN_VERSION << 8) | DEC_REV_VERSION; +} + +//------------------------------------------------------------------------------ +// Signature and pointer-to-function for GetCoeffs() variants below. + +typedef int (*GetCoeffsFunc)(VP8BitReader* const br, + const VP8BandProbas* const prob[], + int ctx, const quant_t dq, int n, int16_t* out); +static volatile GetCoeffsFunc GetCoeffs = NULL; + +static void InitGetCoeffs(void); + +//------------------------------------------------------------------------------ +// VP8Decoder + +static void SetOk(VP8Decoder* const dec) { + dec->status_ = VP8_STATUS_OK; + dec->error_msg_ = "OK"; +} + +int VP8InitIoInternal(VP8Io* const io, int version) { + if (WEBP_ABI_IS_INCOMPATIBLE(version, WEBP_DECODER_ABI_VERSION)) { + return 0; // mismatch error + } + if (io != NULL) { + memset(io, 0, sizeof(*io)); + } + return 1; +} + +VP8Decoder* VP8New(void) { + VP8Decoder* const dec = (VP8Decoder*)WebPSafeCalloc(1ULL, sizeof(*dec)); + if (dec != NULL) { + SetOk(dec); + WebPGetWorkerInterface()->Init(&dec->worker_); + dec->ready_ = 0; + dec->num_parts_minus_one_ = 0; + InitGetCoeffs(); + } + return dec; +} + +VP8StatusCode VP8Status(VP8Decoder* const dec) { + if (!dec) return VP8_STATUS_INVALID_PARAM; + return dec->status_; +} + +const char* VP8StatusMessage(VP8Decoder* const dec) { + if (dec == NULL) return "no object"; + if (!dec->error_msg_) return "OK"; + return dec->error_msg_; +} + +void VP8Delete(VP8Decoder* const dec) { + if (dec != NULL) { + VP8Clear(dec); + WebPSafeFree(dec); + } +} + +int VP8SetError(VP8Decoder* const dec, + VP8StatusCode error, const char* const msg) { + // The oldest error reported takes precedence over the new one. + if (dec->status_ == VP8_STATUS_OK) { + dec->status_ = error; + dec->error_msg_ = msg; + dec->ready_ = 0; + } + return 0; +} + +//------------------------------------------------------------------------------ + +int VP8CheckSignature(const uint8_t* const data, size_t data_size) { + return (data_size >= 3 && + data[0] == 0x9d && data[1] == 0x01 && data[2] == 0x2a); +} + +int VP8GetInfo(const uint8_t* data, size_t data_size, size_t chunk_size, + int* const width, int* const height) { + if (data == NULL || data_size < VP8_FRAME_HEADER_SIZE) { + return 0; // not enough data + } + // check signature + if (!VP8CheckSignature(data + 3, data_size - 3)) { + return 0; // Wrong signature. + } else { + const uint32_t bits = data[0] | (data[1] << 8) | (data[2] << 16); + const int key_frame = !(bits & 1); + const int w = ((data[7] << 8) | data[6]) & 0x3fff; + const int h = ((data[9] << 8) | data[8]) & 0x3fff; + + if (!key_frame) { // Not a keyframe. + return 0; + } + + if (((bits >> 1) & 7) > 3) { + return 0; // unknown profile + } + if (!((bits >> 4) & 1)) { + return 0; // first frame is invisible! + } + if (((bits >> 5)) >= chunk_size) { // partition_length + return 0; // inconsistent size information. + } + if (w == 0 || h == 0) { + return 0; // We don't support both width and height to be zero. + } + + if (width) { + *width = w; + } + if (height) { + *height = h; + } + + return 1; + } +} + +//------------------------------------------------------------------------------ +// Header parsing + +static void ResetSegmentHeader(VP8SegmentHeader* const hdr) { + assert(hdr != NULL); + hdr->use_segment_ = 0; + hdr->update_map_ = 0; + hdr->absolute_delta_ = 1; + memset(hdr->quantizer_, 0, sizeof(hdr->quantizer_)); + memset(hdr->filter_strength_, 0, sizeof(hdr->filter_strength_)); +} + +// Paragraph 9.3 +static int ParseSegmentHeader(VP8BitReader* br, + VP8SegmentHeader* hdr, VP8Proba* proba) { + assert(br != NULL); + assert(hdr != NULL); + hdr->use_segment_ = VP8Get(br, "global-header"); + if (hdr->use_segment_) { + hdr->update_map_ = VP8Get(br, "global-header"); + if (VP8Get(br, "global-header")) { // update data + int s; + hdr->absolute_delta_ = VP8Get(br, "global-header"); + for (s = 0; s < NUM_MB_SEGMENTS; ++s) { + hdr->quantizer_[s] = VP8Get(br, "global-header") ? + VP8GetSignedValue(br, 7, "global-header") : 0; + } + for (s = 0; s < NUM_MB_SEGMENTS; ++s) { + hdr->filter_strength_[s] = VP8Get(br, "global-header") ? + VP8GetSignedValue(br, 6, "global-header") : 0; + } + } + if (hdr->update_map_) { + int s; + for (s = 0; s < MB_FEATURE_TREE_PROBS; ++s) { + proba->segments_[s] = VP8Get(br, "global-header") ? + VP8GetValue(br, 8, "global-header") : 255u; + } + } + } else { + hdr->update_map_ = 0; + } + return !br->eof_; +} + +// Paragraph 9.5 +// This function returns VP8_STATUS_SUSPENDED if we don't have all the +// necessary data in 'buf'. +// This case is not necessarily an error (for incremental decoding). +// Still, no bitreader is ever initialized to make it possible to read +// unavailable memory. +// If we don't even have the partitions' sizes, than VP8_STATUS_NOT_ENOUGH_DATA +// is returned, and this is an unrecoverable error. +// If the partitions were positioned ok, VP8_STATUS_OK is returned. +static VP8StatusCode ParsePartitions(VP8Decoder* const dec, + const uint8_t* buf, size_t size) { + VP8BitReader* const br = &dec->br_; + const uint8_t* sz = buf; + const uint8_t* buf_end = buf + size; + const uint8_t* part_start; + size_t size_left = size; + size_t last_part; + size_t p; + + dec->num_parts_minus_one_ = (1 << VP8GetValue(br, 2, "global-header")) - 1; + last_part = dec->num_parts_minus_one_; + if (size < 3 * last_part) { + // we can't even read the sizes with sz[]! That's a failure. + return VP8_STATUS_NOT_ENOUGH_DATA; + } + part_start = buf + last_part * 3; + size_left -= last_part * 3; + for (p = 0; p < last_part; ++p) { + size_t psize = sz[0] | (sz[1] << 8) | (sz[2] << 16); + if (psize > size_left) psize = size_left; + VP8InitBitReader(dec->parts_ + p, part_start, psize); + part_start += psize; + size_left -= psize; + sz += 3; + } + VP8InitBitReader(dec->parts_ + last_part, part_start, size_left); + return (part_start < buf_end) ? VP8_STATUS_OK : + VP8_STATUS_SUSPENDED; // Init is ok, but there's not enough data +} + +// Paragraph 9.4 +static int ParseFilterHeader(VP8BitReader* br, VP8Decoder* const dec) { + VP8FilterHeader* const hdr = &dec->filter_hdr_; + hdr->simple_ = VP8Get(br, "global-header"); + hdr->level_ = VP8GetValue(br, 6, "global-header"); + hdr->sharpness_ = VP8GetValue(br, 3, "global-header"); + hdr->use_lf_delta_ = VP8Get(br, "global-header"); + if (hdr->use_lf_delta_) { + if (VP8Get(br, "global-header")) { // update lf-delta? + int i; + for (i = 0; i < NUM_REF_LF_DELTAS; ++i) { + if (VP8Get(br, "global-header")) { + hdr->ref_lf_delta_[i] = VP8GetSignedValue(br, 6, "global-header"); + } + } + for (i = 0; i < NUM_MODE_LF_DELTAS; ++i) { + if (VP8Get(br, "global-header")) { + hdr->mode_lf_delta_[i] = VP8GetSignedValue(br, 6, "global-header"); + } + } + } + } + dec->filter_type_ = (hdr->level_ == 0) ? 0 : hdr->simple_ ? 1 : 2; + return !br->eof_; +} + +// Topmost call +int VP8GetHeaders(VP8Decoder* const dec, VP8Io* const io) { + const uint8_t* buf; + size_t buf_size; + VP8FrameHeader* frm_hdr; + VP8PictureHeader* pic_hdr; + VP8BitReader* br; + VP8StatusCode status; + + if (dec == NULL) { + return 0; + } + SetOk(dec); + if (io == NULL) { + return VP8SetError(dec, VP8_STATUS_INVALID_PARAM, + "null VP8Io passed to VP8GetHeaders()"); + } + buf = io->data; + buf_size = io->data_size; + if (buf_size < 4) { + return VP8SetError(dec, VP8_STATUS_NOT_ENOUGH_DATA, + "Truncated header."); + } + + // Paragraph 9.1 + { + const uint32_t bits = buf[0] | (buf[1] << 8) | (buf[2] << 16); + frm_hdr = &dec->frm_hdr_; + frm_hdr->key_frame_ = !(bits & 1); + frm_hdr->profile_ = (bits >> 1) & 7; + frm_hdr->show_ = (bits >> 4) & 1; + frm_hdr->partition_length_ = (bits >> 5); + if (frm_hdr->profile_ > 3) { + return VP8SetError(dec, VP8_STATUS_BITSTREAM_ERROR, + "Incorrect keyframe parameters."); + } + if (!frm_hdr->show_) { + return VP8SetError(dec, VP8_STATUS_UNSUPPORTED_FEATURE, + "Frame not displayable."); + } + buf += 3; + buf_size -= 3; + } + + pic_hdr = &dec->pic_hdr_; + if (frm_hdr->key_frame_) { + // Paragraph 9.2 + if (buf_size < 7) { + return VP8SetError(dec, VP8_STATUS_NOT_ENOUGH_DATA, + "cannot parse picture header"); + } + if (!VP8CheckSignature(buf, buf_size)) { + return VP8SetError(dec, VP8_STATUS_BITSTREAM_ERROR, + "Bad code word"); + } + pic_hdr->width_ = ((buf[4] << 8) | buf[3]) & 0x3fff; + pic_hdr->xscale_ = buf[4] >> 6; // ratio: 1, 5/4 5/3 or 2 + pic_hdr->height_ = ((buf[6] << 8) | buf[5]) & 0x3fff; + pic_hdr->yscale_ = buf[6] >> 6; + buf += 7; + buf_size -= 7; + + dec->mb_w_ = (pic_hdr->width_ + 15) >> 4; + dec->mb_h_ = (pic_hdr->height_ + 15) >> 4; + + // Setup default output area (can be later modified during io->setup()) + io->width = pic_hdr->width_; + io->height = pic_hdr->height_; + // IMPORTANT! use some sane dimensions in crop_* and scaled_* fields. + // So they can be used interchangeably without always testing for + // 'use_cropping'. + io->use_cropping = 0; + io->crop_top = 0; + io->crop_left = 0; + io->crop_right = io->width; + io->crop_bottom = io->height; + io->use_scaling = 0; + io->scaled_width = io->width; + io->scaled_height = io->height; + + io->mb_w = io->width; // for soundness + io->mb_h = io->height; // ditto + + VP8ResetProba(&dec->proba_); + ResetSegmentHeader(&dec->segment_hdr_); + } + + // Check if we have all the partition #0 available, and initialize dec->br_ + // to read this partition (and this partition only). + if (frm_hdr->partition_length_ > buf_size) { + return VP8SetError(dec, VP8_STATUS_NOT_ENOUGH_DATA, + "bad partition length"); + } + + br = &dec->br_; + VP8InitBitReader(br, buf, frm_hdr->partition_length_); + buf += frm_hdr->partition_length_; + buf_size -= frm_hdr->partition_length_; + + if (frm_hdr->key_frame_) { + pic_hdr->colorspace_ = VP8Get(br, "global-header"); + pic_hdr->clamp_type_ = VP8Get(br, "global-header"); + } + if (!ParseSegmentHeader(br, &dec->segment_hdr_, &dec->proba_)) { + return VP8SetError(dec, VP8_STATUS_BITSTREAM_ERROR, + "cannot parse segment header"); + } + // Filter specs + if (!ParseFilterHeader(br, dec)) { + return VP8SetError(dec, VP8_STATUS_BITSTREAM_ERROR, + "cannot parse filter header"); + } + status = ParsePartitions(dec, buf, buf_size); + if (status != VP8_STATUS_OK) { + return VP8SetError(dec, status, "cannot parse partitions"); + } + + // quantizer change + VP8ParseQuant(dec); + + // Frame buffer marking + if (!frm_hdr->key_frame_) { + return VP8SetError(dec, VP8_STATUS_UNSUPPORTED_FEATURE, + "Not a key frame."); + } + + VP8Get(br, "global-header"); // ignore the value of update_proba_ + + VP8ParseProba(br, dec); + + // sanitized state + dec->ready_ = 1; + return 1; +} + +//------------------------------------------------------------------------------ +// Residual decoding (Paragraph 13.2 / 13.3) + +static const uint8_t kCat3[] = { 173, 148, 140, 0 }; +static const uint8_t kCat4[] = { 176, 155, 140, 135, 0 }; +static const uint8_t kCat5[] = { 180, 157, 141, 134, 130, 0 }; +static const uint8_t kCat6[] = + { 254, 254, 243, 230, 196, 177, 153, 140, 133, 130, 129, 0 }; +static const uint8_t* const kCat3456[] = { kCat3, kCat4, kCat5, kCat6 }; +static const uint8_t kZigzag[16] = { + 0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15 +}; + +// See section 13-2: https://datatracker.ietf.org/doc/html/rfc6386#section-13.2 +static int GetLargeValue(VP8BitReader* const br, const uint8_t* const p) { + int v; + if (!VP8GetBit(br, p[3], "coeffs")) { + if (!VP8GetBit(br, p[4], "coeffs")) { + v = 2; + } else { + v = 3 + VP8GetBit(br, p[5], "coeffs"); + } + } else { + if (!VP8GetBit(br, p[6], "coeffs")) { + if (!VP8GetBit(br, p[7], "coeffs")) { + v = 5 + VP8GetBit(br, 159, "coeffs"); + } else { + v = 7 + 2 * VP8GetBit(br, 165, "coeffs"); + v += VP8GetBit(br, 145, "coeffs"); + } + } else { + const uint8_t* tab; + const int bit1 = VP8GetBit(br, p[8], "coeffs"); + const int bit0 = VP8GetBit(br, p[9 + bit1], "coeffs"); + const int cat = 2 * bit1 + bit0; + v = 0; + for (tab = kCat3456[cat]; *tab; ++tab) { + v += v + VP8GetBit(br, *tab, "coeffs"); + } + v += 3 + (8 << cat); + } + } + return v; +} + +// Returns the position of the last non-zero coeff plus one +static int GetCoeffsFast(VP8BitReader* const br, + const VP8BandProbas* const prob[], + int ctx, const quant_t dq, int n, int16_t* out) { + const uint8_t* p = prob[n]->probas_[ctx]; + for (; n < 16; ++n) { + if (!VP8GetBit(br, p[0], "coeffs")) { + return n; // previous coeff was last non-zero coeff + } + while (!VP8GetBit(br, p[1], "coeffs")) { // sequence of zero coeffs + p = prob[++n]->probas_[0]; + if (n == 16) return 16; + } + { // non zero coeff + const VP8ProbaArray* const p_ctx = &prob[n + 1]->probas_[0]; + int v; + if (!VP8GetBit(br, p[2], "coeffs")) { + v = 1; + p = p_ctx[1]; + } else { + v = GetLargeValue(br, p); + p = p_ctx[2]; + } + out[kZigzag[n]] = VP8GetSigned(br, v, "coeffs") * dq[n > 0]; + } + } + return 16; +} + +// This version of GetCoeffs() uses VP8GetBitAlt() which is an alternate version +// of VP8GetBitAlt() targeting specific platforms. +static int GetCoeffsAlt(VP8BitReader* const br, + const VP8BandProbas* const prob[], + int ctx, const quant_t dq, int n, int16_t* out) { + const uint8_t* p = prob[n]->probas_[ctx]; + for (; n < 16; ++n) { + if (!VP8GetBitAlt(br, p[0], "coeffs")) { + return n; // previous coeff was last non-zero coeff + } + while (!VP8GetBitAlt(br, p[1], "coeffs")) { // sequence of zero coeffs + p = prob[++n]->probas_[0]; + if (n == 16) return 16; + } + { // non zero coeff + const VP8ProbaArray* const p_ctx = &prob[n + 1]->probas_[0]; + int v; + if (!VP8GetBitAlt(br, p[2], "coeffs")) { + v = 1; + p = p_ctx[1]; + } else { + v = GetLargeValue(br, p); + p = p_ctx[2]; + } + out[kZigzag[n]] = VP8GetSigned(br, v, "coeffs") * dq[n > 0]; + } + } + return 16; +} + +extern VP8CPUInfo VP8GetCPUInfo; + +WEBP_DSP_INIT_FUNC(InitGetCoeffs) { + if (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kSlowSSSE3)) { + GetCoeffs = GetCoeffsAlt; + } else { + GetCoeffs = GetCoeffsFast; + } +} + +static WEBP_INLINE uint32_t NzCodeBits(uint32_t nz_coeffs, int nz, int dc_nz) { + nz_coeffs <<= 2; + nz_coeffs |= (nz > 3) ? 3 : (nz > 1) ? 2 : dc_nz; + return nz_coeffs; +} + +static int ParseResiduals(VP8Decoder* const dec, + VP8MB* const mb, VP8BitReader* const token_br) { + const VP8BandProbas* (* const bands)[16 + 1] = dec->proba_.bands_ptr_; + const VP8BandProbas* const * ac_proba; + VP8MBData* const block = dec->mb_data_ + dec->mb_x_; + const VP8QuantMatrix* const q = &dec->dqm_[block->segment_]; + int16_t* dst = block->coeffs_; + VP8MB* const left_mb = dec->mb_info_ - 1; + uint8_t tnz, lnz; + uint32_t non_zero_y = 0; + uint32_t non_zero_uv = 0; + int x, y, ch; + uint32_t out_t_nz, out_l_nz; + int first; + + memset(dst, 0, 384 * sizeof(*dst)); + if (!block->is_i4x4_) { // parse DC + int16_t dc[16] = { 0 }; + const int ctx = mb->nz_dc_ + left_mb->nz_dc_; + const int nz = GetCoeffs(token_br, bands[1], ctx, q->y2_mat_, 0, dc); + mb->nz_dc_ = left_mb->nz_dc_ = (nz > 0); + if (nz > 1) { // more than just the DC -> perform the full transform + VP8TransformWHT(dc, dst); + } else { // only DC is non-zero -> inlined simplified transform + int i; + const int dc0 = (dc[0] + 3) >> 3; + for (i = 0; i < 16 * 16; i += 16) dst[i] = dc0; + } + first = 1; + ac_proba = bands[0]; + } else { + first = 0; + ac_proba = bands[3]; + } + + tnz = mb->nz_ & 0x0f; + lnz = left_mb->nz_ & 0x0f; + for (y = 0; y < 4; ++y) { + int l = lnz & 1; + uint32_t nz_coeffs = 0; + for (x = 0; x < 4; ++x) { + const int ctx = l + (tnz & 1); + const int nz = GetCoeffs(token_br, ac_proba, ctx, q->y1_mat_, first, dst); + l = (nz > first); + tnz = (tnz >> 1) | (l << 7); + nz_coeffs = NzCodeBits(nz_coeffs, nz, dst[0] != 0); + dst += 16; + } + tnz >>= 4; + lnz = (lnz >> 1) | (l << 7); + non_zero_y = (non_zero_y << 8) | nz_coeffs; + } + out_t_nz = tnz; + out_l_nz = lnz >> 4; + + for (ch = 0; ch < 4; ch += 2) { + uint32_t nz_coeffs = 0; + tnz = mb->nz_ >> (4 + ch); + lnz = left_mb->nz_ >> (4 + ch); + for (y = 0; y < 2; ++y) { + int l = lnz & 1; + for (x = 0; x < 2; ++x) { + const int ctx = l + (tnz & 1); + const int nz = GetCoeffs(token_br, bands[2], ctx, q->uv_mat_, 0, dst); + l = (nz > 0); + tnz = (tnz >> 1) | (l << 3); + nz_coeffs = NzCodeBits(nz_coeffs, nz, dst[0] != 0); + dst += 16; + } + tnz >>= 2; + lnz = (lnz >> 1) | (l << 5); + } + // Note: we don't really need the per-4x4 details for U/V blocks. + non_zero_uv |= nz_coeffs << (4 * ch); + out_t_nz |= (tnz << 4) << ch; + out_l_nz |= (lnz & 0xf0) << ch; + } + mb->nz_ = out_t_nz; + left_mb->nz_ = out_l_nz; + + block->non_zero_y_ = non_zero_y; + block->non_zero_uv_ = non_zero_uv; + + // We look at the mode-code of each block and check if some blocks have less + // than three non-zero coeffs (code < 2). This is to avoid dithering flat and + // empty blocks. + block->dither_ = (non_zero_uv & 0xaaaa) ? 0 : q->dither_; + + return !(non_zero_y | non_zero_uv); // will be used for further optimization +} + +//------------------------------------------------------------------------------ +// Main loop + +int VP8DecodeMB(VP8Decoder* const dec, VP8BitReader* const token_br) { + VP8MB* const left = dec->mb_info_ - 1; + VP8MB* const mb = dec->mb_info_ + dec->mb_x_; + VP8MBData* const block = dec->mb_data_ + dec->mb_x_; + int skip = dec->use_skip_proba_ ? block->skip_ : 0; + + if (!skip) { + skip = ParseResiduals(dec, mb, token_br); + } else { + left->nz_ = mb->nz_ = 0; + if (!block->is_i4x4_) { + left->nz_dc_ = mb->nz_dc_ = 0; + } + block->non_zero_y_ = 0; + block->non_zero_uv_ = 0; + block->dither_ = 0; + } + + if (dec->filter_type_ > 0) { // store filter info + VP8FInfo* const finfo = dec->f_info_ + dec->mb_x_; + *finfo = dec->fstrengths_[block->segment_][block->is_i4x4_]; + finfo->f_inner_ |= !skip; + } + + return !token_br->eof_; +} + +void VP8InitScanline(VP8Decoder* const dec) { + VP8MB* const left = dec->mb_info_ - 1; + left->nz_ = 0; + left->nz_dc_ = 0; + memset(dec->intra_l_, B_DC_PRED, sizeof(dec->intra_l_)); + dec->mb_x_ = 0; +} + +static int ParseFrame(VP8Decoder* const dec, VP8Io* io) { + for (dec->mb_y_ = 0; dec->mb_y_ < dec->br_mb_y_; ++dec->mb_y_) { + // Parse bitstream for this row. + VP8BitReader* const token_br = + &dec->parts_[dec->mb_y_ & dec->num_parts_minus_one_]; + if (!VP8ParseIntraModeRow(&dec->br_, dec)) { + return VP8SetError(dec, VP8_STATUS_NOT_ENOUGH_DATA, + "Premature end-of-partition0 encountered."); + } + for (; dec->mb_x_ < dec->mb_w_; ++dec->mb_x_) { + if (!VP8DecodeMB(dec, token_br)) { + return VP8SetError(dec, VP8_STATUS_NOT_ENOUGH_DATA, + "Premature end-of-file encountered."); + } + } + VP8InitScanline(dec); // Prepare for next scanline + + // Reconstruct, filter and emit the row. + if (!VP8ProcessRow(dec, io)) { + return VP8SetError(dec, VP8_STATUS_USER_ABORT, "Output aborted."); + } + } + if (dec->mt_method_ > 0) { + if (!WebPGetWorkerInterface()->Sync(&dec->worker_)) return 0; + } + + return 1; +} + +// Main entry point +int VP8Decode(VP8Decoder* const dec, VP8Io* const io) { + int ok = 0; + if (dec == NULL) { + return 0; + } + if (io == NULL) { + return VP8SetError(dec, VP8_STATUS_INVALID_PARAM, + "NULL VP8Io parameter in VP8Decode()."); + } + + if (!dec->ready_) { + if (!VP8GetHeaders(dec, io)) { + return 0; + } + } + assert(dec->ready_); + + // Finish setting up the decoding parameter. Will call io->setup(). + ok = (VP8EnterCritical(dec, io) == VP8_STATUS_OK); + if (ok) { // good to go. + // Will allocate memory and prepare everything. + if (ok) ok = VP8InitFrame(dec, io); + + // Main decoding loop + if (ok) ok = ParseFrame(dec, io); + + // Exit. + ok &= VP8ExitCritical(dec, io); + } + + if (!ok) { + VP8Clear(dec); + return 0; + } + + dec->ready_ = 0; + return ok; +} + +void VP8Clear(VP8Decoder* const dec) { + if (dec == NULL) { + return; + } + WebPGetWorkerInterface()->End(&dec->worker_); + WebPDeallocateAlphaMemory(dec); + WebPSafeFree(dec->mem_); + dec->mem_ = NULL; + dec->mem_size_ = 0; + memset(&dec->br_, 0, sizeof(dec->br_)); + dec->ready_ = 0; +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/dec/vp8_dec.h b/ProductApp/Pods/libwebp/src/dec/vp8_dec.h new file mode 100644 index 0000000..a05405d --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dec/vp8_dec.h @@ -0,0 +1,185 @@ +// Copyright 2010 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Low-level API for VP8 decoder +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_DEC_VP8_DEC_H_ +#define WEBP_DEC_VP8_DEC_H_ + +#include "src/webp/decode.h" + +#ifdef __cplusplus +extern "C" { +#endif + +//------------------------------------------------------------------------------ +// Lower-level API +// +// These functions provide fine-grained control of the decoding process. +// The call flow should resemble: +// +// VP8Io io; +// VP8InitIo(&io); +// io.data = data; +// io.data_size = size; +// /* customize io's functions (setup()/put()/teardown()) if needed. */ +// +// VP8Decoder* dec = VP8New(); +// int ok = VP8Decode(dec, &io); +// if (!ok) printf("Error: %s\n", VP8StatusMessage(dec)); +// VP8Delete(dec); +// return ok; + +// Input / Output +typedef struct VP8Io VP8Io; +typedef int (*VP8IoPutHook)(const VP8Io* io); +typedef int (*VP8IoSetupHook)(VP8Io* io); +typedef void (*VP8IoTeardownHook)(const VP8Io* io); + +struct VP8Io { + // set by VP8GetHeaders() + int width, height; // picture dimensions, in pixels (invariable). + // These are the original, uncropped dimensions. + // The actual area passed to put() is stored + // in mb_w / mb_h fields. + + // set before calling put() + int mb_y; // position of the current rows (in pixels) + int mb_w; // number of columns in the sample + int mb_h; // number of rows in the sample + const uint8_t* y, *u, *v; // rows to copy (in yuv420 format) + int y_stride; // row stride for luma + int uv_stride; // row stride for chroma + + void* opaque; // user data + + // called when fresh samples are available. Currently, samples are in + // YUV420 format, and can be up to width x 24 in size (depending on the + // in-loop filtering level, e.g.). Should return false in case of error + // or abort request. The actual size of the area to update is mb_w x mb_h + // in size, taking cropping into account. + VP8IoPutHook put; + + // called just before starting to decode the blocks. + // Must return false in case of setup error, true otherwise. If false is + // returned, teardown() will NOT be called. But if the setup succeeded + // and true is returned, then teardown() will always be called afterward. + VP8IoSetupHook setup; + + // Called just after block decoding is finished (or when an error occurred + // during put()). Is NOT called if setup() failed. + VP8IoTeardownHook teardown; + + // this is a recommendation for the user-side yuv->rgb converter. This flag + // is set when calling setup() hook and can be overwritten by it. It then + // can be taken into consideration during the put() method. + int fancy_upsampling; + + // Input buffer. + size_t data_size; + const uint8_t* data; + + // If true, in-loop filtering will not be performed even if present in the + // bitstream. Switching off filtering may speed up decoding at the expense + // of more visible blocking. Note that output will also be non-compliant + // with the VP8 specifications. + int bypass_filtering; + + // Cropping parameters. + int use_cropping; + int crop_left, crop_right, crop_top, crop_bottom; + + // Scaling parameters. + int use_scaling; + int scaled_width, scaled_height; + + // If non NULL, pointer to the alpha data (if present) corresponding to the + // start of the current row (That is: it is pre-offset by mb_y and takes + // cropping into account). + const uint8_t* a; +}; + +// Internal, version-checked, entry point +int VP8InitIoInternal(VP8Io* const, int); + +// Set the custom IO function pointers and user-data. The setter for IO hooks +// should be called before initiating incremental decoding. Returns true if +// WebPIDecoder object is successfully modified, false otherwise. +int WebPISetIOHooks(WebPIDecoder* const idec, + VP8IoPutHook put, + VP8IoSetupHook setup, + VP8IoTeardownHook teardown, + void* user_data); + +// Main decoding object. This is an opaque structure. +typedef struct VP8Decoder VP8Decoder; + +// Create a new decoder object. +VP8Decoder* VP8New(void); + +// Must be called to make sure 'io' is initialized properly. +// Returns false in case of version mismatch. Upon such failure, no other +// decoding function should be called (VP8Decode, VP8GetHeaders, ...) +static WEBP_INLINE int VP8InitIo(VP8Io* const io) { + return VP8InitIoInternal(io, WEBP_DECODER_ABI_VERSION); +} + +// Decode the VP8 frame header. Returns true if ok. +// Note: 'io->data' must be pointing to the start of the VP8 frame header. +int VP8GetHeaders(VP8Decoder* const dec, VP8Io* const io); + +// Decode a picture. Will call VP8GetHeaders() if it wasn't done already. +// Returns false in case of error. +int VP8Decode(VP8Decoder* const dec, VP8Io* const io); + +// Return current status of the decoder: +VP8StatusCode VP8Status(VP8Decoder* const dec); + +// return readable string corresponding to the last status. +const char* VP8StatusMessage(VP8Decoder* const dec); + +// Resets the decoder in its initial state, reclaiming memory. +// Not a mandatory call between calls to VP8Decode(). +void VP8Clear(VP8Decoder* const dec); + +// Destroy the decoder object. +void VP8Delete(VP8Decoder* const dec); + +//------------------------------------------------------------------------------ +// Miscellaneous VP8/VP8L bitstream probing functions. + +// Returns true if the next 3 bytes in data contain the VP8 signature. +WEBP_EXTERN int VP8CheckSignature(const uint8_t* const data, size_t data_size); + +// Validates the VP8 data-header and retrieves basic header information viz +// width and height. Returns 0 in case of formatting error. *width/*height +// can be passed NULL. +WEBP_EXTERN int VP8GetInfo( + const uint8_t* data, + size_t data_size, // data available so far + size_t chunk_size, // total data size expected in the chunk + int* const width, int* const height); + +// Returns true if the next byte(s) in data is a VP8L signature. +WEBP_EXTERN int VP8LCheckSignature(const uint8_t* const data, size_t size); + +// Validates the VP8L data-header and retrieves basic header information viz +// width, height and alpha. Returns 0 in case of formatting error. +// width/height/has_alpha can be passed NULL. +WEBP_EXTERN int VP8LGetInfo( + const uint8_t* data, size_t data_size, // data available so far + int* const width, int* const height, int* const has_alpha); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_DEC_VP8_DEC_H_ diff --git a/ProductApp/Pods/libwebp/src/dec/vp8i_dec.h b/ProductApp/Pods/libwebp/src/dec/vp8i_dec.h new file mode 100644 index 0000000..7929fd7 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dec/vp8i_dec.h @@ -0,0 +1,319 @@ +// Copyright 2010 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// VP8 decoder: internal header. +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_DEC_VP8I_DEC_H_ +#define WEBP_DEC_VP8I_DEC_H_ + +#include // for memcpy() +#include "src/dec/common_dec.h" +#include "src/dec/vp8li_dec.h" +#include "src/utils/bit_reader_utils.h" +#include "src/utils/random_utils.h" +#include "src/utils/thread_utils.h" +#include "src/dsp/dsp.h" + +#ifdef __cplusplus +extern "C" { +#endif + +//------------------------------------------------------------------------------ +// Various defines and enums + +// version numbers +#define DEC_MAJ_VERSION 1 +#define DEC_MIN_VERSION 3 +#define DEC_REV_VERSION 2 + +// YUV-cache parameters. Cache is 32-bytes wide (= one cacheline). +// Constraints are: We need to store one 16x16 block of luma samples (y), +// and two 8x8 chroma blocks (u/v). These are better be 16-bytes aligned, +// in order to be SIMD-friendly. We also need to store the top, left and +// top-left samples (from previously decoded blocks), along with four +// extra top-right samples for luma (intra4x4 prediction only). +// One possible layout is, using 32 * (17 + 9) bytes: +// +// .+------ <- only 1 pixel high +// .|yyyyt. +// .|yyyyt. +// .|yyyyt. +// .|yyyy.. +// .+--.+-- <- only 1 pixel high +// .|uu.|vv +// .|uu.|vv +// +// Every character is a 4x4 block, with legend: +// '.' = unused +// 'y' = y-samples 'u' = u-samples 'v' = u-samples +// '|' = left sample, '-' = top sample, '+' = top-left sample +// 't' = extra top-right sample for 4x4 modes +#define YUV_SIZE (BPS * 17 + BPS * 9) +#define Y_OFF (BPS * 1 + 8) +#define U_OFF (Y_OFF + BPS * 16 + BPS) +#define V_OFF (U_OFF + 16) + +// minimal width under which lossy multi-threading is always disabled +#define MIN_WIDTH_FOR_THREADS 512 + +//------------------------------------------------------------------------------ +// Headers + +typedef struct { + uint8_t key_frame_; + uint8_t profile_; + uint8_t show_; + uint32_t partition_length_; +} VP8FrameHeader; + +typedef struct { + uint16_t width_; + uint16_t height_; + uint8_t xscale_; + uint8_t yscale_; + uint8_t colorspace_; // 0 = YCbCr + uint8_t clamp_type_; +} VP8PictureHeader; + +// segment features +typedef struct { + int use_segment_; + int update_map_; // whether to update the segment map or not + int absolute_delta_; // absolute or delta values for quantizer and filter + int8_t quantizer_[NUM_MB_SEGMENTS]; // quantization changes + int8_t filter_strength_[NUM_MB_SEGMENTS]; // filter strength for segments +} VP8SegmentHeader; + +// probas associated to one of the contexts +typedef uint8_t VP8ProbaArray[NUM_PROBAS]; + +typedef struct { // all the probas associated to one band + VP8ProbaArray probas_[NUM_CTX]; +} VP8BandProbas; + +// Struct collecting all frame-persistent probabilities. +typedef struct { + uint8_t segments_[MB_FEATURE_TREE_PROBS]; + // Type: 0:Intra16-AC 1:Intra16-DC 2:Chroma 3:Intra4 + VP8BandProbas bands_[NUM_TYPES][NUM_BANDS]; + const VP8BandProbas* bands_ptr_[NUM_TYPES][16 + 1]; +} VP8Proba; + +// Filter parameters +typedef struct { + int simple_; // 0=complex, 1=simple + int level_; // [0..63] + int sharpness_; // [0..7] + int use_lf_delta_; + int ref_lf_delta_[NUM_REF_LF_DELTAS]; + int mode_lf_delta_[NUM_MODE_LF_DELTAS]; +} VP8FilterHeader; + +//------------------------------------------------------------------------------ +// Informations about the macroblocks. + +typedef struct { // filter specs + uint8_t f_limit_; // filter limit in [3..189], or 0 if no filtering + uint8_t f_ilevel_; // inner limit in [1..63] + uint8_t f_inner_; // do inner filtering? + uint8_t hev_thresh_; // high edge variance threshold in [0..2] +} VP8FInfo; + +typedef struct { // Top/Left Contexts used for syntax-parsing + uint8_t nz_; // non-zero AC/DC coeffs (4bit for luma + 4bit for chroma) + uint8_t nz_dc_; // non-zero DC coeff (1bit) +} VP8MB; + +// Dequantization matrices +typedef int quant_t[2]; // [DC / AC]. Can be 'uint16_t[2]' too (~slower). +typedef struct { + quant_t y1_mat_, y2_mat_, uv_mat_; + + int uv_quant_; // U/V quantizer value + int dither_; // dithering amplitude (0 = off, max=255) +} VP8QuantMatrix; + +// Data needed to reconstruct a macroblock +typedef struct { + int16_t coeffs_[384]; // 384 coeffs = (16+4+4) * 4*4 + uint8_t is_i4x4_; // true if intra4x4 + uint8_t imodes_[16]; // one 16x16 mode (#0) or sixteen 4x4 modes + uint8_t uvmode_; // chroma prediction mode + // bit-wise info about the content of each sub-4x4 blocks (in decoding order). + // Each of the 4x4 blocks for y/u/v is associated with a 2b code according to: + // code=0 -> no coefficient + // code=1 -> only DC + // code=2 -> first three coefficients are non-zero + // code=3 -> more than three coefficients are non-zero + // This allows to call specialized transform functions. + uint32_t non_zero_y_; + uint32_t non_zero_uv_; + uint8_t dither_; // local dithering strength (deduced from non_zero_*) + uint8_t skip_; + uint8_t segment_; +} VP8MBData; + +// Persistent information needed by the parallel processing +typedef struct { + int id_; // cache row to process (in [0..2]) + int mb_y_; // macroblock position of the row + int filter_row_; // true if row-filtering is needed + VP8FInfo* f_info_; // filter strengths (swapped with dec->f_info_) + VP8MBData* mb_data_; // reconstruction data (swapped with dec->mb_data_) + VP8Io io_; // copy of the VP8Io to pass to put() +} VP8ThreadContext; + +// Saved top samples, per macroblock. Fits into a cache-line. +typedef struct { + uint8_t y[16], u[8], v[8]; +} VP8TopSamples; + +//------------------------------------------------------------------------------ +// VP8Decoder: the main opaque structure handed over to user + +struct VP8Decoder { + VP8StatusCode status_; + int ready_; // true if ready to decode a picture with VP8Decode() + const char* error_msg_; // set when status_ is not OK. + + // Main data source + VP8BitReader br_; + + // headers + VP8FrameHeader frm_hdr_; + VP8PictureHeader pic_hdr_; + VP8FilterHeader filter_hdr_; + VP8SegmentHeader segment_hdr_; + + // Worker + WebPWorker worker_; + int mt_method_; // multi-thread method: 0=off, 1=[parse+recon][filter] + // 2=[parse][recon+filter] + int cache_id_; // current cache row + int num_caches_; // number of cached rows of 16 pixels (1, 2 or 3) + VP8ThreadContext thread_ctx_; // Thread context + + // dimension, in macroblock units. + int mb_w_, mb_h_; + + // Macroblock to process/filter, depending on cropping and filter_type. + int tl_mb_x_, tl_mb_y_; // top-left MB that must be in-loop filtered + int br_mb_x_, br_mb_y_; // last bottom-right MB that must be decoded + + // number of partitions minus one. + uint32_t num_parts_minus_one_; + // per-partition boolean decoders. + VP8BitReader parts_[MAX_NUM_PARTITIONS]; + + // Dithering strength, deduced from decoding options + int dither_; // whether to use dithering or not + VP8Random dithering_rg_; // random generator for dithering + + // dequantization (one set of DC/AC dequant factor per segment) + VP8QuantMatrix dqm_[NUM_MB_SEGMENTS]; + + // probabilities + VP8Proba proba_; + int use_skip_proba_; + uint8_t skip_p_; + + // Boundary data cache and persistent buffers. + uint8_t* intra_t_; // top intra modes values: 4 * mb_w_ + uint8_t intra_l_[4]; // left intra modes values + + VP8TopSamples* yuv_t_; // top y/u/v samples + + VP8MB* mb_info_; // contextual macroblock info (mb_w_ + 1) + VP8FInfo* f_info_; // filter strength info + uint8_t* yuv_b_; // main block for Y/U/V (size = YUV_SIZE) + + uint8_t* cache_y_; // macroblock row for storing unfiltered samples + uint8_t* cache_u_; + uint8_t* cache_v_; + int cache_y_stride_; + int cache_uv_stride_; + + // main memory chunk for the above data. Persistent. + void* mem_; + size_t mem_size_; + + // Per macroblock non-persistent infos. + int mb_x_, mb_y_; // current position, in macroblock units + VP8MBData* mb_data_; // parsed reconstruction data + + // Filtering side-info + int filter_type_; // 0=off, 1=simple, 2=complex + VP8FInfo fstrengths_[NUM_MB_SEGMENTS][2]; // precalculated per-segment/type + + // Alpha + struct ALPHDecoder* alph_dec_; // alpha-plane decoder object + const uint8_t* alpha_data_; // compressed alpha data (if present) + size_t alpha_data_size_; + int is_alpha_decoded_; // true if alpha_data_ is decoded in alpha_plane_ + uint8_t* alpha_plane_mem_; // memory allocated for alpha_plane_ + uint8_t* alpha_plane_; // output. Persistent, contains the whole data. + const uint8_t* alpha_prev_line_; // last decoded alpha row (or NULL) + int alpha_dithering_; // derived from decoding options (0=off, 100=full) +}; + +//------------------------------------------------------------------------------ +// internal functions. Not public. + +// in vp8.c +int VP8SetError(VP8Decoder* const dec, + VP8StatusCode error, const char* const msg); + +// in tree.c +void VP8ResetProba(VP8Proba* const proba); +void VP8ParseProba(VP8BitReader* const br, VP8Decoder* const dec); +// parses one row of intra mode data in partition 0, returns !eof +int VP8ParseIntraModeRow(VP8BitReader* const br, VP8Decoder* const dec); + +// in quant.c +void VP8ParseQuant(VP8Decoder* const dec); + +// in frame.c +int VP8InitFrame(VP8Decoder* const dec, VP8Io* const io); +// Call io->setup() and finish setting up scan parameters. +// After this call returns, one must always call VP8ExitCritical() with the +// same parameters. Both functions should be used in pair. Returns VP8_STATUS_OK +// if ok, otherwise sets and returns the error status on *dec. +VP8StatusCode VP8EnterCritical(VP8Decoder* const dec, VP8Io* const io); +// Must always be called in pair with VP8EnterCritical(). +// Returns false in case of error. +int VP8ExitCritical(VP8Decoder* const dec, VP8Io* const io); +// Return the multi-threading method to use (0=off), depending +// on options and bitstream size. Only for lossy decoding. +int VP8GetThreadMethod(const WebPDecoderOptions* const options, + const WebPHeaderStructure* const headers, + int width, int height); +// Initialize dithering post-process if needed. +void VP8InitDithering(const WebPDecoderOptions* const options, + VP8Decoder* const dec); +// Process the last decoded row (filtering + output). +int VP8ProcessRow(VP8Decoder* const dec, VP8Io* const io); +// To be called at the start of a new scanline, to initialize predictors. +void VP8InitScanline(VP8Decoder* const dec); +// Decode one macroblock. Returns false if there is not enough data. +int VP8DecodeMB(VP8Decoder* const dec, VP8BitReader* const token_br); + +// in alpha.c +const uint8_t* VP8DecompressAlphaRows(VP8Decoder* const dec, + const VP8Io* const io, + int row, int num_rows); + +//------------------------------------------------------------------------------ + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_DEC_VP8I_DEC_H_ diff --git a/ProductApp/Pods/libwebp/src/dec/vp8l_dec.c b/ProductApp/Pods/libwebp/src/dec/vp8l_dec.c new file mode 100644 index 0000000..7995313 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dec/vp8l_dec.c @@ -0,0 +1,1746 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// main entry for the decoder +// +// Authors: Vikas Arora (vikaas.arora@gmail.com) +// Jyrki Alakuijala (jyrki@google.com) + +#include + +#include "src/dec/alphai_dec.h" +#include "src/dec/vp8li_dec.h" +#include "src/dsp/dsp.h" +#include "src/dsp/lossless.h" +#include "src/dsp/lossless_common.h" +#include "src/dsp/yuv.h" +#include "src/utils/endian_inl_utils.h" +#include "src/utils/huffman_utils.h" +#include "src/utils/utils.h" + +#define NUM_ARGB_CACHE_ROWS 16 + +static const int kCodeLengthLiterals = 16; +static const int kCodeLengthRepeatCode = 16; +static const uint8_t kCodeLengthExtraBits[3] = { 2, 3, 7 }; +static const uint8_t kCodeLengthRepeatOffsets[3] = { 3, 3, 11 }; + +// ----------------------------------------------------------------------------- +// Five Huffman codes are used at each meta code: +// 1. green + length prefix codes + color cache codes, +// 2. alpha, +// 3. red, +// 4. blue, and, +// 5. distance prefix codes. +typedef enum { + GREEN = 0, + RED = 1, + BLUE = 2, + ALPHA = 3, + DIST = 4 +} HuffIndex; + +static const uint16_t kAlphabetSize[HUFFMAN_CODES_PER_META_CODE] = { + NUM_LITERAL_CODES + NUM_LENGTH_CODES, + NUM_LITERAL_CODES, NUM_LITERAL_CODES, NUM_LITERAL_CODES, + NUM_DISTANCE_CODES +}; + +static const uint8_t kLiteralMap[HUFFMAN_CODES_PER_META_CODE] = { + 0, 1, 1, 1, 0 +}; + +#define NUM_CODE_LENGTH_CODES 19 +static const uint8_t kCodeLengthCodeOrder[NUM_CODE_LENGTH_CODES] = { + 17, 18, 0, 1, 2, 3, 4, 5, 16, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 +}; + +#define CODE_TO_PLANE_CODES 120 +static const uint8_t kCodeToPlane[CODE_TO_PLANE_CODES] = { + 0x18, 0x07, 0x17, 0x19, 0x28, 0x06, 0x27, 0x29, 0x16, 0x1a, + 0x26, 0x2a, 0x38, 0x05, 0x37, 0x39, 0x15, 0x1b, 0x36, 0x3a, + 0x25, 0x2b, 0x48, 0x04, 0x47, 0x49, 0x14, 0x1c, 0x35, 0x3b, + 0x46, 0x4a, 0x24, 0x2c, 0x58, 0x45, 0x4b, 0x34, 0x3c, 0x03, + 0x57, 0x59, 0x13, 0x1d, 0x56, 0x5a, 0x23, 0x2d, 0x44, 0x4c, + 0x55, 0x5b, 0x33, 0x3d, 0x68, 0x02, 0x67, 0x69, 0x12, 0x1e, + 0x66, 0x6a, 0x22, 0x2e, 0x54, 0x5c, 0x43, 0x4d, 0x65, 0x6b, + 0x32, 0x3e, 0x78, 0x01, 0x77, 0x79, 0x53, 0x5d, 0x11, 0x1f, + 0x64, 0x6c, 0x42, 0x4e, 0x76, 0x7a, 0x21, 0x2f, 0x75, 0x7b, + 0x31, 0x3f, 0x63, 0x6d, 0x52, 0x5e, 0x00, 0x74, 0x7c, 0x41, + 0x4f, 0x10, 0x20, 0x62, 0x6e, 0x30, 0x73, 0x7d, 0x51, 0x5f, + 0x40, 0x72, 0x7e, 0x61, 0x6f, 0x50, 0x71, 0x7f, 0x60, 0x70 +}; + +// Memory needed for lookup tables of one Huffman tree group. Red, blue, alpha +// and distance alphabets are constant (256 for red, blue and alpha, 40 for +// distance) and lookup table sizes for them in worst case are 630 and 410 +// respectively. Size of green alphabet depends on color cache size and is equal +// to 256 (green component values) + 24 (length prefix values) +// + color_cache_size (between 0 and 2048). +// All values computed for 8-bit first level lookup with Mark Adler's tool: +// https://github.com/madler/zlib/blob/v1.2.5/examples/enough.c +#define FIXED_TABLE_SIZE (630 * 3 + 410) +static const uint16_t kTableSize[12] = { + FIXED_TABLE_SIZE + 654, + FIXED_TABLE_SIZE + 656, + FIXED_TABLE_SIZE + 658, + FIXED_TABLE_SIZE + 662, + FIXED_TABLE_SIZE + 670, + FIXED_TABLE_SIZE + 686, + FIXED_TABLE_SIZE + 718, + FIXED_TABLE_SIZE + 782, + FIXED_TABLE_SIZE + 912, + FIXED_TABLE_SIZE + 1168, + FIXED_TABLE_SIZE + 1680, + FIXED_TABLE_SIZE + 2704 +}; + +static int DecodeImageStream(int xsize, int ysize, + int is_level0, + VP8LDecoder* const dec, + uint32_t** const decoded_data); + +//------------------------------------------------------------------------------ + +int VP8LCheckSignature(const uint8_t* const data, size_t size) { + return (size >= VP8L_FRAME_HEADER_SIZE && + data[0] == VP8L_MAGIC_BYTE && + (data[4] >> 5) == 0); // version +} + +static int ReadImageInfo(VP8LBitReader* const br, + int* const width, int* const height, + int* const has_alpha) { + if (VP8LReadBits(br, 8) != VP8L_MAGIC_BYTE) return 0; + *width = VP8LReadBits(br, VP8L_IMAGE_SIZE_BITS) + 1; + *height = VP8LReadBits(br, VP8L_IMAGE_SIZE_BITS) + 1; + *has_alpha = VP8LReadBits(br, 1); + if (VP8LReadBits(br, VP8L_VERSION_BITS) != 0) return 0; + return !br->eos_; +} + +int VP8LGetInfo(const uint8_t* data, size_t data_size, + int* const width, int* const height, int* const has_alpha) { + if (data == NULL || data_size < VP8L_FRAME_HEADER_SIZE) { + return 0; // not enough data + } else if (!VP8LCheckSignature(data, data_size)) { + return 0; // bad signature + } else { + int w, h, a; + VP8LBitReader br; + VP8LInitBitReader(&br, data, data_size); + if (!ReadImageInfo(&br, &w, &h, &a)) { + return 0; + } + if (width != NULL) *width = w; + if (height != NULL) *height = h; + if (has_alpha != NULL) *has_alpha = a; + return 1; + } +} + +//------------------------------------------------------------------------------ + +static WEBP_INLINE int GetCopyDistance(int distance_symbol, + VP8LBitReader* const br) { + int extra_bits, offset; + if (distance_symbol < 4) { + return distance_symbol + 1; + } + extra_bits = (distance_symbol - 2) >> 1; + offset = (2 + (distance_symbol & 1)) << extra_bits; + return offset + VP8LReadBits(br, extra_bits) + 1; +} + +static WEBP_INLINE int GetCopyLength(int length_symbol, + VP8LBitReader* const br) { + // Length and distance prefixes are encoded the same way. + return GetCopyDistance(length_symbol, br); +} + +static WEBP_INLINE int PlaneCodeToDistance(int xsize, int plane_code) { + if (plane_code > CODE_TO_PLANE_CODES) { + return plane_code - CODE_TO_PLANE_CODES; + } else { + const int dist_code = kCodeToPlane[plane_code - 1]; + const int yoffset = dist_code >> 4; + const int xoffset = 8 - (dist_code & 0xf); + const int dist = yoffset * xsize + xoffset; + return (dist >= 1) ? dist : 1; // dist<1 can happen if xsize is very small + } +} + +//------------------------------------------------------------------------------ +// Decodes the next Huffman code from bit-stream. +// VP8LFillBitWindow(br) needs to be called at minimum every second call +// to ReadSymbol, in order to pre-fetch enough bits. +static WEBP_INLINE int ReadSymbol(const HuffmanCode* table, + VP8LBitReader* const br) { + int nbits; + uint32_t val = VP8LPrefetchBits(br); + table += val & HUFFMAN_TABLE_MASK; + nbits = table->bits - HUFFMAN_TABLE_BITS; + if (nbits > 0) { + VP8LSetBitPos(br, br->bit_pos_ + HUFFMAN_TABLE_BITS); + val = VP8LPrefetchBits(br); + table += table->value; + table += val & ((1 << nbits) - 1); + } + VP8LSetBitPos(br, br->bit_pos_ + table->bits); + return table->value; +} + +// Reads packed symbol depending on GREEN channel +#define BITS_SPECIAL_MARKER 0x100 // something large enough (and a bit-mask) +#define PACKED_NON_LITERAL_CODE 0 // must be < NUM_LITERAL_CODES +static WEBP_INLINE int ReadPackedSymbols(const HTreeGroup* group, + VP8LBitReader* const br, + uint32_t* const dst) { + const uint32_t val = VP8LPrefetchBits(br) & (HUFFMAN_PACKED_TABLE_SIZE - 1); + const HuffmanCode32 code = group->packed_table[val]; + assert(group->use_packed_table); + if (code.bits < BITS_SPECIAL_MARKER) { + VP8LSetBitPos(br, br->bit_pos_ + code.bits); + *dst = code.value; + return PACKED_NON_LITERAL_CODE; + } else { + VP8LSetBitPos(br, br->bit_pos_ + code.bits - BITS_SPECIAL_MARKER); + assert(code.value >= NUM_LITERAL_CODES); + return code.value; + } +} + +static int AccumulateHCode(HuffmanCode hcode, int shift, + HuffmanCode32* const huff) { + huff->bits += hcode.bits; + huff->value |= (uint32_t)hcode.value << shift; + assert(huff->bits <= HUFFMAN_TABLE_BITS); + return hcode.bits; +} + +static void BuildPackedTable(HTreeGroup* const htree_group) { + uint32_t code; + for (code = 0; code < HUFFMAN_PACKED_TABLE_SIZE; ++code) { + uint32_t bits = code; + HuffmanCode32* const huff = &htree_group->packed_table[bits]; + HuffmanCode hcode = htree_group->htrees[GREEN][bits]; + if (hcode.value >= NUM_LITERAL_CODES) { + huff->bits = hcode.bits + BITS_SPECIAL_MARKER; + huff->value = hcode.value; + } else { + huff->bits = 0; + huff->value = 0; + bits >>= AccumulateHCode(hcode, 8, huff); + bits >>= AccumulateHCode(htree_group->htrees[RED][bits], 16, huff); + bits >>= AccumulateHCode(htree_group->htrees[BLUE][bits], 0, huff); + bits >>= AccumulateHCode(htree_group->htrees[ALPHA][bits], 24, huff); + (void)bits; + } + } +} + +static int ReadHuffmanCodeLengths( + VP8LDecoder* const dec, const int* const code_length_code_lengths, + int num_symbols, int* const code_lengths) { + int ok = 0; + VP8LBitReader* const br = &dec->br_; + int symbol; + int max_symbol; + int prev_code_len = DEFAULT_CODE_LENGTH; + HuffmanTables tables; + + if (!VP8LHuffmanTablesAllocate(1 << LENGTHS_TABLE_BITS, &tables) || + !VP8LBuildHuffmanTable(&tables, LENGTHS_TABLE_BITS, + code_length_code_lengths, NUM_CODE_LENGTH_CODES)) { + goto End; + } + + if (VP8LReadBits(br, 1)) { // use length + const int length_nbits = 2 + 2 * VP8LReadBits(br, 3); + max_symbol = 2 + VP8LReadBits(br, length_nbits); + if (max_symbol > num_symbols) { + goto End; + } + } else { + max_symbol = num_symbols; + } + + symbol = 0; + while (symbol < num_symbols) { + const HuffmanCode* p; + int code_len; + if (max_symbol-- == 0) break; + VP8LFillBitWindow(br); + p = &tables.curr_segment->start[VP8LPrefetchBits(br) & LENGTHS_TABLE_MASK]; + VP8LSetBitPos(br, br->bit_pos_ + p->bits); + code_len = p->value; + if (code_len < kCodeLengthLiterals) { + code_lengths[symbol++] = code_len; + if (code_len != 0) prev_code_len = code_len; + } else { + const int use_prev = (code_len == kCodeLengthRepeatCode); + const int slot = code_len - kCodeLengthLiterals; + const int extra_bits = kCodeLengthExtraBits[slot]; + const int repeat_offset = kCodeLengthRepeatOffsets[slot]; + int repeat = VP8LReadBits(br, extra_bits) + repeat_offset; + if (symbol + repeat > num_symbols) { + goto End; + } else { + const int length = use_prev ? prev_code_len : 0; + while (repeat-- > 0) code_lengths[symbol++] = length; + } + } + } + ok = 1; + + End: + VP8LHuffmanTablesDeallocate(&tables); + if (!ok) dec->status_ = VP8_STATUS_BITSTREAM_ERROR; + return ok; +} + +// 'code_lengths' is pre-allocated temporary buffer, used for creating Huffman +// tree. +static int ReadHuffmanCode(int alphabet_size, VP8LDecoder* const dec, + int* const code_lengths, + HuffmanTables* const table) { + int ok = 0; + int size = 0; + VP8LBitReader* const br = &dec->br_; + const int simple_code = VP8LReadBits(br, 1); + + memset(code_lengths, 0, alphabet_size * sizeof(*code_lengths)); + + if (simple_code) { // Read symbols, codes & code lengths directly. + const int num_symbols = VP8LReadBits(br, 1) + 1; + const int first_symbol_len_code = VP8LReadBits(br, 1); + // The first code is either 1 bit or 8 bit code. + int symbol = VP8LReadBits(br, (first_symbol_len_code == 0) ? 1 : 8); + code_lengths[symbol] = 1; + // The second code (if present), is always 8 bits long. + if (num_symbols == 2) { + symbol = VP8LReadBits(br, 8); + code_lengths[symbol] = 1; + } + ok = 1; + } else { // Decode Huffman-coded code lengths. + int i; + int code_length_code_lengths[NUM_CODE_LENGTH_CODES] = { 0 }; + const int num_codes = VP8LReadBits(br, 4) + 4; + if (num_codes > NUM_CODE_LENGTH_CODES) { + dec->status_ = VP8_STATUS_BITSTREAM_ERROR; + return 0; + } + + for (i = 0; i < num_codes; ++i) { + code_length_code_lengths[kCodeLengthCodeOrder[i]] = VP8LReadBits(br, 3); + } + ok = ReadHuffmanCodeLengths(dec, code_length_code_lengths, alphabet_size, + code_lengths); + } + + ok = ok && !br->eos_; + if (ok) { + size = VP8LBuildHuffmanTable(table, HUFFMAN_TABLE_BITS, + code_lengths, alphabet_size); + } + if (!ok || size == 0) { + dec->status_ = VP8_STATUS_BITSTREAM_ERROR; + return 0; + } + return size; +} + +static int ReadHuffmanCodes(VP8LDecoder* const dec, int xsize, int ysize, + int color_cache_bits, int allow_recursion) { + int i, j; + VP8LBitReader* const br = &dec->br_; + VP8LMetadata* const hdr = &dec->hdr_; + uint32_t* huffman_image = NULL; + HTreeGroup* htree_groups = NULL; + HuffmanTables* huffman_tables = &hdr->huffman_tables_; + int num_htree_groups = 1; + int num_htree_groups_max = 1; + int max_alphabet_size = 0; + int* code_lengths = NULL; + const int table_size = kTableSize[color_cache_bits]; + int* mapping = NULL; + int ok = 0; + + // Check the table has been 0 initialized (through InitMetadata). + assert(huffman_tables->root.start == NULL); + assert(huffman_tables->curr_segment == NULL); + + if (allow_recursion && VP8LReadBits(br, 1)) { + // use meta Huffman codes. + const int huffman_precision = VP8LReadBits(br, 3) + 2; + const int huffman_xsize = VP8LSubSampleSize(xsize, huffman_precision); + const int huffman_ysize = VP8LSubSampleSize(ysize, huffman_precision); + const int huffman_pixs = huffman_xsize * huffman_ysize; + if (!DecodeImageStream(huffman_xsize, huffman_ysize, 0, dec, + &huffman_image)) { + goto Error; + } + hdr->huffman_subsample_bits_ = huffman_precision; + for (i = 0; i < huffman_pixs; ++i) { + // The huffman data is stored in red and green bytes. + const int group = (huffman_image[i] >> 8) & 0xffff; + huffman_image[i] = group; + if (group >= num_htree_groups_max) { + num_htree_groups_max = group + 1; + } + } + // Check the validity of num_htree_groups_max. If it seems too big, use a + // smaller value for later. This will prevent big memory allocations to end + // up with a bad bitstream anyway. + // The value of 1000 is totally arbitrary. We know that num_htree_groups_max + // is smaller than (1 << 16) and should be smaller than the number of pixels + // (though the format allows it to be bigger). + if (num_htree_groups_max > 1000 || num_htree_groups_max > xsize * ysize) { + // Create a mapping from the used indices to the minimal set of used + // values [0, num_htree_groups) + mapping = (int*)WebPSafeMalloc(num_htree_groups_max, sizeof(*mapping)); + if (mapping == NULL) { + dec->status_ = VP8_STATUS_OUT_OF_MEMORY; + goto Error; + } + // -1 means a value is unmapped, and therefore unused in the Huffman + // image. + memset(mapping, 0xff, num_htree_groups_max * sizeof(*mapping)); + for (num_htree_groups = 0, i = 0; i < huffman_pixs; ++i) { + // Get the current mapping for the group and remap the Huffman image. + int* const mapped_group = &mapping[huffman_image[i]]; + if (*mapped_group == -1) *mapped_group = num_htree_groups++; + huffman_image[i] = *mapped_group; + } + } else { + num_htree_groups = num_htree_groups_max; + } + } + + if (br->eos_) goto Error; + + // Find maximum alphabet size for the htree group. + for (j = 0; j < HUFFMAN_CODES_PER_META_CODE; ++j) { + int alphabet_size = kAlphabetSize[j]; + if (j == 0 && color_cache_bits > 0) { + alphabet_size += 1 << color_cache_bits; + } + if (max_alphabet_size < alphabet_size) { + max_alphabet_size = alphabet_size; + } + } + + code_lengths = (int*)WebPSafeCalloc((uint64_t)max_alphabet_size, + sizeof(*code_lengths)); + htree_groups = VP8LHtreeGroupsNew(num_htree_groups); + + if (htree_groups == NULL || code_lengths == NULL || + !VP8LHuffmanTablesAllocate(num_htree_groups * table_size, + huffman_tables)) { + dec->status_ = VP8_STATUS_OUT_OF_MEMORY; + goto Error; + } + + for (i = 0; i < num_htree_groups_max; ++i) { + // If the index "i" is unused in the Huffman image, just make sure the + // coefficients are valid but do not store them. + if (mapping != NULL && mapping[i] == -1) { + for (j = 0; j < HUFFMAN_CODES_PER_META_CODE; ++j) { + int alphabet_size = kAlphabetSize[j]; + if (j == 0 && color_cache_bits > 0) { + alphabet_size += (1 << color_cache_bits); + } + // Passing in NULL so that nothing gets filled. + if (!ReadHuffmanCode(alphabet_size, dec, code_lengths, NULL)) { + goto Error; + } + } + } else { + HTreeGroup* const htree_group = + &htree_groups[(mapping == NULL) ? i : mapping[i]]; + HuffmanCode** const htrees = htree_group->htrees; + int size; + int total_size = 0; + int is_trivial_literal = 1; + int max_bits = 0; + for (j = 0; j < HUFFMAN_CODES_PER_META_CODE; ++j) { + int alphabet_size = kAlphabetSize[j]; + if (j == 0 && color_cache_bits > 0) { + alphabet_size += (1 << color_cache_bits); + } + size = + ReadHuffmanCode(alphabet_size, dec, code_lengths, huffman_tables); + htrees[j] = huffman_tables->curr_segment->curr_table; + if (size == 0) { + goto Error; + } + if (is_trivial_literal && kLiteralMap[j] == 1) { + is_trivial_literal = (htrees[j]->bits == 0); + } + total_size += htrees[j]->bits; + huffman_tables->curr_segment->curr_table += size; + if (j <= ALPHA) { + int local_max_bits = code_lengths[0]; + int k; + for (k = 1; k < alphabet_size; ++k) { + if (code_lengths[k] > local_max_bits) { + local_max_bits = code_lengths[k]; + } + } + max_bits += local_max_bits; + } + } + htree_group->is_trivial_literal = is_trivial_literal; + htree_group->is_trivial_code = 0; + if (is_trivial_literal) { + const int red = htrees[RED][0].value; + const int blue = htrees[BLUE][0].value; + const int alpha = htrees[ALPHA][0].value; + htree_group->literal_arb = ((uint32_t)alpha << 24) | (red << 16) | blue; + if (total_size == 0 && htrees[GREEN][0].value < NUM_LITERAL_CODES) { + htree_group->is_trivial_code = 1; + htree_group->literal_arb |= htrees[GREEN][0].value << 8; + } + } + htree_group->use_packed_table = + !htree_group->is_trivial_code && (max_bits < HUFFMAN_PACKED_BITS); + if (htree_group->use_packed_table) BuildPackedTable(htree_group); + } + } + ok = 1; + + // All OK. Finalize pointers. + hdr->huffman_image_ = huffman_image; + hdr->num_htree_groups_ = num_htree_groups; + hdr->htree_groups_ = htree_groups; + + Error: + WebPSafeFree(code_lengths); + WebPSafeFree(mapping); + if (!ok) { + WebPSafeFree(huffman_image); + VP8LHuffmanTablesDeallocate(huffman_tables); + VP8LHtreeGroupsFree(htree_groups); + } + return ok; +} + +//------------------------------------------------------------------------------ +// Scaling. + +#if !defined(WEBP_REDUCE_SIZE) +static int AllocateAndInitRescaler(VP8LDecoder* const dec, VP8Io* const io) { + const int num_channels = 4; + const int in_width = io->mb_w; + const int out_width = io->scaled_width; + const int in_height = io->mb_h; + const int out_height = io->scaled_height; + const uint64_t work_size = 2 * num_channels * (uint64_t)out_width; + rescaler_t* work; // Rescaler work area. + const uint64_t scaled_data_size = (uint64_t)out_width; + uint32_t* scaled_data; // Temporary storage for scaled BGRA data. + const uint64_t memory_size = sizeof(*dec->rescaler) + + work_size * sizeof(*work) + + scaled_data_size * sizeof(*scaled_data); + uint8_t* memory = (uint8_t*)WebPSafeMalloc(memory_size, sizeof(*memory)); + if (memory == NULL) { + dec->status_ = VP8_STATUS_OUT_OF_MEMORY; + return 0; + } + assert(dec->rescaler_memory == NULL); + dec->rescaler_memory = memory; + + dec->rescaler = (WebPRescaler*)memory; + memory += sizeof(*dec->rescaler); + work = (rescaler_t*)memory; + memory += work_size * sizeof(*work); + scaled_data = (uint32_t*)memory; + + if (!WebPRescalerInit(dec->rescaler, in_width, in_height, + (uint8_t*)scaled_data, out_width, out_height, + 0, num_channels, work)) { + return 0; + } + return 1; +} +#endif // WEBP_REDUCE_SIZE + +//------------------------------------------------------------------------------ +// Export to ARGB + +#if !defined(WEBP_REDUCE_SIZE) + +// We have special "export" function since we need to convert from BGRA +static int Export(WebPRescaler* const rescaler, WEBP_CSP_MODE colorspace, + int rgba_stride, uint8_t* const rgba) { + uint32_t* const src = (uint32_t*)rescaler->dst; + uint8_t* dst = rgba; + const int dst_width = rescaler->dst_width; + int num_lines_out = 0; + while (WebPRescalerHasPendingOutput(rescaler)) { + WebPRescalerExportRow(rescaler); + WebPMultARGBRow(src, dst_width, 1); + VP8LConvertFromBGRA(src, dst_width, colorspace, dst); + dst += rgba_stride; + ++num_lines_out; + } + return num_lines_out; +} + +// Emit scaled rows. +static int EmitRescaledRowsRGBA(const VP8LDecoder* const dec, + uint8_t* in, int in_stride, int mb_h, + uint8_t* const out, int out_stride) { + const WEBP_CSP_MODE colorspace = dec->output_->colorspace; + int num_lines_in = 0; + int num_lines_out = 0; + while (num_lines_in < mb_h) { + uint8_t* const row_in = in + (uint64_t)num_lines_in * in_stride; + uint8_t* const row_out = out + (uint64_t)num_lines_out * out_stride; + const int lines_left = mb_h - num_lines_in; + const int needed_lines = WebPRescaleNeededLines(dec->rescaler, lines_left); + int lines_imported; + assert(needed_lines > 0 && needed_lines <= lines_left); + WebPMultARGBRows(row_in, in_stride, + dec->rescaler->src_width, needed_lines, 0); + lines_imported = + WebPRescalerImport(dec->rescaler, lines_left, row_in, in_stride); + assert(lines_imported == needed_lines); + num_lines_in += lines_imported; + num_lines_out += Export(dec->rescaler, colorspace, out_stride, row_out); + } + return num_lines_out; +} + +#endif // WEBP_REDUCE_SIZE + +// Emit rows without any scaling. +static int EmitRows(WEBP_CSP_MODE colorspace, + const uint8_t* row_in, int in_stride, + int mb_w, int mb_h, + uint8_t* const out, int out_stride) { + int lines = mb_h; + uint8_t* row_out = out; + while (lines-- > 0) { + VP8LConvertFromBGRA((const uint32_t*)row_in, mb_w, colorspace, row_out); + row_in += in_stride; + row_out += out_stride; + } + return mb_h; // Num rows out == num rows in. +} + +//------------------------------------------------------------------------------ +// Export to YUVA + +static void ConvertToYUVA(const uint32_t* const src, int width, int y_pos, + const WebPDecBuffer* const output) { + const WebPYUVABuffer* const buf = &output->u.YUVA; + + // first, the luma plane + WebPConvertARGBToY(src, buf->y + y_pos * buf->y_stride, width); + + // then U/V planes + { + uint8_t* const u = buf->u + (y_pos >> 1) * buf->u_stride; + uint8_t* const v = buf->v + (y_pos >> 1) * buf->v_stride; + // even lines: store values + // odd lines: average with previous values + WebPConvertARGBToUV(src, u, v, width, !(y_pos & 1)); + } + // Lastly, store alpha if needed. + if (buf->a != NULL) { + uint8_t* const a = buf->a + y_pos * buf->a_stride; +#if defined(WORDS_BIGENDIAN) + WebPExtractAlpha((uint8_t*)src + 0, 0, width, 1, a, 0); +#else + WebPExtractAlpha((uint8_t*)src + 3, 0, width, 1, a, 0); +#endif + } +} + +static int ExportYUVA(const VP8LDecoder* const dec, int y_pos) { + WebPRescaler* const rescaler = dec->rescaler; + uint32_t* const src = (uint32_t*)rescaler->dst; + const int dst_width = rescaler->dst_width; + int num_lines_out = 0; + while (WebPRescalerHasPendingOutput(rescaler)) { + WebPRescalerExportRow(rescaler); + WebPMultARGBRow(src, dst_width, 1); + ConvertToYUVA(src, dst_width, y_pos, dec->output_); + ++y_pos; + ++num_lines_out; + } + return num_lines_out; +} + +static int EmitRescaledRowsYUVA(const VP8LDecoder* const dec, + uint8_t* in, int in_stride, int mb_h) { + int num_lines_in = 0; + int y_pos = dec->last_out_row_; + while (num_lines_in < mb_h) { + const int lines_left = mb_h - num_lines_in; + const int needed_lines = WebPRescaleNeededLines(dec->rescaler, lines_left); + int lines_imported; + WebPMultARGBRows(in, in_stride, dec->rescaler->src_width, needed_lines, 0); + lines_imported = + WebPRescalerImport(dec->rescaler, lines_left, in, in_stride); + assert(lines_imported == needed_lines); + num_lines_in += lines_imported; + in += needed_lines * in_stride; + y_pos += ExportYUVA(dec, y_pos); + } + return y_pos; +} + +static int EmitRowsYUVA(const VP8LDecoder* const dec, + const uint8_t* in, int in_stride, + int mb_w, int num_rows) { + int y_pos = dec->last_out_row_; + while (num_rows-- > 0) { + ConvertToYUVA((const uint32_t*)in, mb_w, y_pos, dec->output_); + in += in_stride; + ++y_pos; + } + return y_pos; +} + +//------------------------------------------------------------------------------ +// Cropping. + +// Sets io->mb_y, io->mb_h & io->mb_w according to start row, end row and +// crop options. Also updates the input data pointer, so that it points to the +// start of the cropped window. Note that pixels are in ARGB format even if +// 'in_data' is uint8_t*. +// Returns true if the crop window is not empty. +static int SetCropWindow(VP8Io* const io, int y_start, int y_end, + uint8_t** const in_data, int pixel_stride) { + assert(y_start < y_end); + assert(io->crop_left < io->crop_right); + if (y_end > io->crop_bottom) { + y_end = io->crop_bottom; // make sure we don't overflow on last row. + } + if (y_start < io->crop_top) { + const int delta = io->crop_top - y_start; + y_start = io->crop_top; + *in_data += delta * pixel_stride; + } + if (y_start >= y_end) return 0; // Crop window is empty. + + *in_data += io->crop_left * sizeof(uint32_t); + + io->mb_y = y_start - io->crop_top; + io->mb_w = io->crop_right - io->crop_left; + io->mb_h = y_end - y_start; + return 1; // Non-empty crop window. +} + +//------------------------------------------------------------------------------ + +static WEBP_INLINE int GetMetaIndex( + const uint32_t* const image, int xsize, int bits, int x, int y) { + if (bits == 0) return 0; + return image[xsize * (y >> bits) + (x >> bits)]; +} + +static WEBP_INLINE HTreeGroup* GetHtreeGroupForPos(VP8LMetadata* const hdr, + int x, int y) { + const int meta_index = GetMetaIndex(hdr->huffman_image_, hdr->huffman_xsize_, + hdr->huffman_subsample_bits_, x, y); + assert(meta_index < hdr->num_htree_groups_); + return hdr->htree_groups_ + meta_index; +} + +//------------------------------------------------------------------------------ +// Main loop, with custom row-processing function + +typedef void (*ProcessRowsFunc)(VP8LDecoder* const dec, int row); + +static void ApplyInverseTransforms(VP8LDecoder* const dec, + int start_row, int num_rows, + const uint32_t* const rows) { + int n = dec->next_transform_; + const int cache_pixs = dec->width_ * num_rows; + const int end_row = start_row + num_rows; + const uint32_t* rows_in = rows; + uint32_t* const rows_out = dec->argb_cache_; + + // Inverse transforms. + while (n-- > 0) { + VP8LTransform* const transform = &dec->transforms_[n]; + VP8LInverseTransform(transform, start_row, end_row, rows_in, rows_out); + rows_in = rows_out; + } + if (rows_in != rows_out) { + // No transform called, hence just copy. + memcpy(rows_out, rows_in, cache_pixs * sizeof(*rows_out)); + } +} + +// Processes (transforms, scales & color-converts) the rows decoded after the +// last call. +static void ProcessRows(VP8LDecoder* const dec, int row) { + const uint32_t* const rows = dec->pixels_ + dec->width_ * dec->last_row_; + const int num_rows = row - dec->last_row_; + + assert(row <= dec->io_->crop_bottom); + // We can't process more than NUM_ARGB_CACHE_ROWS at a time (that's the size + // of argb_cache_), but we currently don't need more than that. + assert(num_rows <= NUM_ARGB_CACHE_ROWS); + if (num_rows > 0) { // Emit output. + VP8Io* const io = dec->io_; + uint8_t* rows_data = (uint8_t*)dec->argb_cache_; + const int in_stride = io->width * sizeof(uint32_t); // in unit of RGBA + ApplyInverseTransforms(dec, dec->last_row_, num_rows, rows); + if (!SetCropWindow(io, dec->last_row_, row, &rows_data, in_stride)) { + // Nothing to output (this time). + } else { + const WebPDecBuffer* const output = dec->output_; + if (WebPIsRGBMode(output->colorspace)) { // convert to RGBA + const WebPRGBABuffer* const buf = &output->u.RGBA; + uint8_t* const rgba = + buf->rgba + (int64_t)dec->last_out_row_ * buf->stride; + const int num_rows_out = +#if !defined(WEBP_REDUCE_SIZE) + io->use_scaling ? + EmitRescaledRowsRGBA(dec, rows_data, in_stride, io->mb_h, + rgba, buf->stride) : +#endif // WEBP_REDUCE_SIZE + EmitRows(output->colorspace, rows_data, in_stride, + io->mb_w, io->mb_h, rgba, buf->stride); + // Update 'last_out_row_'. + dec->last_out_row_ += num_rows_out; + } else { // convert to YUVA + dec->last_out_row_ = io->use_scaling ? + EmitRescaledRowsYUVA(dec, rows_data, in_stride, io->mb_h) : + EmitRowsYUVA(dec, rows_data, in_stride, io->mb_w, io->mb_h); + } + assert(dec->last_out_row_ <= output->height); + } + } + + // Update 'last_row_'. + dec->last_row_ = row; + assert(dec->last_row_ <= dec->height_); +} + +// Row-processing for the special case when alpha data contains only one +// transform (color indexing), and trivial non-green literals. +static int Is8bOptimizable(const VP8LMetadata* const hdr) { + int i; + if (hdr->color_cache_size_ > 0) return 0; + // When the Huffman tree contains only one symbol, we can skip the + // call to ReadSymbol() for red/blue/alpha channels. + for (i = 0; i < hdr->num_htree_groups_; ++i) { + HuffmanCode** const htrees = hdr->htree_groups_[i].htrees; + if (htrees[RED][0].bits > 0) return 0; + if (htrees[BLUE][0].bits > 0) return 0; + if (htrees[ALPHA][0].bits > 0) return 0; + } + return 1; +} + +static void AlphaApplyFilter(ALPHDecoder* const alph_dec, + int first_row, int last_row, + uint8_t* out, int stride) { + if (alph_dec->filter_ != WEBP_FILTER_NONE) { + int y; + const uint8_t* prev_line = alph_dec->prev_line_; + assert(WebPUnfilters[alph_dec->filter_] != NULL); + for (y = first_row; y < last_row; ++y) { + WebPUnfilters[alph_dec->filter_](prev_line, out, out, stride); + prev_line = out; + out += stride; + } + alph_dec->prev_line_ = prev_line; + } +} + +static void ExtractPalettedAlphaRows(VP8LDecoder* const dec, int last_row) { + // For vertical and gradient filtering, we need to decode the part above the + // crop_top row, in order to have the correct spatial predictors. + ALPHDecoder* const alph_dec = (ALPHDecoder*)dec->io_->opaque; + const int top_row = + (alph_dec->filter_ == WEBP_FILTER_NONE || + alph_dec->filter_ == WEBP_FILTER_HORIZONTAL) ? dec->io_->crop_top + : dec->last_row_; + const int first_row = (dec->last_row_ < top_row) ? top_row : dec->last_row_; + assert(last_row <= dec->io_->crop_bottom); + if (last_row > first_row) { + // Special method for paletted alpha data. We only process the cropped area. + const int width = dec->io_->width; + uint8_t* out = alph_dec->output_ + width * first_row; + const uint8_t* const in = + (uint8_t*)dec->pixels_ + dec->width_ * first_row; + VP8LTransform* const transform = &dec->transforms_[0]; + assert(dec->next_transform_ == 1); + assert(transform->type_ == COLOR_INDEXING_TRANSFORM); + VP8LColorIndexInverseTransformAlpha(transform, first_row, last_row, + in, out); + AlphaApplyFilter(alph_dec, first_row, last_row, out, width); + } + dec->last_row_ = dec->last_out_row_ = last_row; +} + +//------------------------------------------------------------------------------ +// Helper functions for fast pattern copy (8b and 32b) + +// cyclic rotation of pattern word +static WEBP_INLINE uint32_t Rotate8b(uint32_t V) { +#if defined(WORDS_BIGENDIAN) + return ((V & 0xff000000u) >> 24) | (V << 8); +#else + return ((V & 0xffu) << 24) | (V >> 8); +#endif +} + +// copy 1, 2 or 4-bytes pattern +static WEBP_INLINE void CopySmallPattern8b(const uint8_t* src, uint8_t* dst, + int length, uint32_t pattern) { + int i; + // align 'dst' to 4-bytes boundary. Adjust the pattern along the way. + while ((uintptr_t)dst & 3) { + *dst++ = *src++; + pattern = Rotate8b(pattern); + --length; + } + // Copy the pattern 4 bytes at a time. + for (i = 0; i < (length >> 2); ++i) { + ((uint32_t*)dst)[i] = pattern; + } + // Finish with left-overs. 'pattern' is still correctly positioned, + // so no Rotate8b() call is needed. + for (i <<= 2; i < length; ++i) { + dst[i] = src[i]; + } +} + +static WEBP_INLINE void CopyBlock8b(uint8_t* const dst, int dist, int length) { + const uint8_t* src = dst - dist; + if (length >= 8) { + uint32_t pattern = 0; + switch (dist) { + case 1: + pattern = src[0]; +#if defined(__arm__) || defined(_M_ARM) // arm doesn't like multiply that much + pattern |= pattern << 8; + pattern |= pattern << 16; +#elif defined(WEBP_USE_MIPS_DSP_R2) + __asm__ volatile ("replv.qb %0, %0" : "+r"(pattern)); +#else + pattern = 0x01010101u * pattern; +#endif + break; + case 2: +#if !defined(WORDS_BIGENDIAN) + memcpy(&pattern, src, sizeof(uint16_t)); +#else + pattern = ((uint32_t)src[0] << 8) | src[1]; +#endif +#if defined(__arm__) || defined(_M_ARM) + pattern |= pattern << 16; +#elif defined(WEBP_USE_MIPS_DSP_R2) + __asm__ volatile ("replv.ph %0, %0" : "+r"(pattern)); +#else + pattern = 0x00010001u * pattern; +#endif + break; + case 4: + memcpy(&pattern, src, sizeof(uint32_t)); + break; + default: + goto Copy; + } + CopySmallPattern8b(src, dst, length, pattern); + return; + } + Copy: + if (dist >= length) { // no overlap -> use memcpy() + memcpy(dst, src, length * sizeof(*dst)); + } else { + int i; + for (i = 0; i < length; ++i) dst[i] = src[i]; + } +} + +// copy pattern of 1 or 2 uint32_t's +static WEBP_INLINE void CopySmallPattern32b(const uint32_t* src, + uint32_t* dst, + int length, uint64_t pattern) { + int i; + if ((uintptr_t)dst & 4) { // Align 'dst' to 8-bytes boundary. + *dst++ = *src++; + pattern = (pattern >> 32) | (pattern << 32); + --length; + } + assert(0 == ((uintptr_t)dst & 7)); + for (i = 0; i < (length >> 1); ++i) { + ((uint64_t*)dst)[i] = pattern; // Copy the pattern 8 bytes at a time. + } + if (length & 1) { // Finish with left-over. + dst[i << 1] = src[i << 1]; + } +} + +static WEBP_INLINE void CopyBlock32b(uint32_t* const dst, + int dist, int length) { + const uint32_t* const src = dst - dist; + if (dist <= 2 && length >= 4 && ((uintptr_t)dst & 3) == 0) { + uint64_t pattern; + if (dist == 1) { + pattern = (uint64_t)src[0]; + pattern |= pattern << 32; + } else { + memcpy(&pattern, src, sizeof(pattern)); + } + CopySmallPattern32b(src, dst, length, pattern); + } else if (dist >= length) { // no overlap + memcpy(dst, src, length * sizeof(*dst)); + } else { + int i; + for (i = 0; i < length; ++i) dst[i] = src[i]; + } +} + +//------------------------------------------------------------------------------ + +static int DecodeAlphaData(VP8LDecoder* const dec, uint8_t* const data, + int width, int height, int last_row) { + int ok = 1; + int row = dec->last_pixel_ / width; + int col = dec->last_pixel_ % width; + VP8LBitReader* const br = &dec->br_; + VP8LMetadata* const hdr = &dec->hdr_; + int pos = dec->last_pixel_; // current position + const int end = width * height; // End of data + const int last = width * last_row; // Last pixel to decode + const int len_code_limit = NUM_LITERAL_CODES + NUM_LENGTH_CODES; + const int mask = hdr->huffman_mask_; + const HTreeGroup* htree_group = + (pos < last) ? GetHtreeGroupForPos(hdr, col, row) : NULL; + assert(pos <= end); + assert(last_row <= height); + assert(Is8bOptimizable(hdr)); + + while (!br->eos_ && pos < last) { + int code; + // Only update when changing tile. + if ((col & mask) == 0) { + htree_group = GetHtreeGroupForPos(hdr, col, row); + } + assert(htree_group != NULL); + VP8LFillBitWindow(br); + code = ReadSymbol(htree_group->htrees[GREEN], br); + if (code < NUM_LITERAL_CODES) { // Literal + data[pos] = code; + ++pos; + ++col; + if (col >= width) { + col = 0; + ++row; + if (row <= last_row && (row % NUM_ARGB_CACHE_ROWS == 0)) { + ExtractPalettedAlphaRows(dec, row); + } + } + } else if (code < len_code_limit) { // Backward reference + int dist_code, dist; + const int length_sym = code - NUM_LITERAL_CODES; + const int length = GetCopyLength(length_sym, br); + const int dist_symbol = ReadSymbol(htree_group->htrees[DIST], br); + VP8LFillBitWindow(br); + dist_code = GetCopyDistance(dist_symbol, br); + dist = PlaneCodeToDistance(width, dist_code); + if (pos >= dist && end - pos >= length) { + CopyBlock8b(data + pos, dist, length); + } else { + ok = 0; + goto End; + } + pos += length; + col += length; + while (col >= width) { + col -= width; + ++row; + if (row <= last_row && (row % NUM_ARGB_CACHE_ROWS == 0)) { + ExtractPalettedAlphaRows(dec, row); + } + } + if (pos < last && (col & mask)) { + htree_group = GetHtreeGroupForPos(hdr, col, row); + } + } else { // Not reached + ok = 0; + goto End; + } + br->eos_ = VP8LIsEndOfStream(br); + } + // Process the remaining rows corresponding to last row-block. + ExtractPalettedAlphaRows(dec, row > last_row ? last_row : row); + + End: + br->eos_ = VP8LIsEndOfStream(br); + if (!ok || (br->eos_ && pos < end)) { + ok = 0; + dec->status_ = br->eos_ ? VP8_STATUS_SUSPENDED + : VP8_STATUS_BITSTREAM_ERROR; + } else { + dec->last_pixel_ = pos; + } + return ok; +} + +static void SaveState(VP8LDecoder* const dec, int last_pixel) { + assert(dec->incremental_); + dec->saved_br_ = dec->br_; + dec->saved_last_pixel_ = last_pixel; + if (dec->hdr_.color_cache_size_ > 0) { + VP8LColorCacheCopy(&dec->hdr_.color_cache_, &dec->hdr_.saved_color_cache_); + } +} + +static void RestoreState(VP8LDecoder* const dec) { + assert(dec->br_.eos_); + dec->status_ = VP8_STATUS_SUSPENDED; + dec->br_ = dec->saved_br_; + dec->last_pixel_ = dec->saved_last_pixel_; + if (dec->hdr_.color_cache_size_ > 0) { + VP8LColorCacheCopy(&dec->hdr_.saved_color_cache_, &dec->hdr_.color_cache_); + } +} + +#define SYNC_EVERY_N_ROWS 8 // minimum number of rows between check-points +static int DecodeImageData(VP8LDecoder* const dec, uint32_t* const data, + int width, int height, int last_row, + ProcessRowsFunc process_func) { + int row = dec->last_pixel_ / width; + int col = dec->last_pixel_ % width; + VP8LBitReader* const br = &dec->br_; + VP8LMetadata* const hdr = &dec->hdr_; + uint32_t* src = data + dec->last_pixel_; + uint32_t* last_cached = src; + uint32_t* const src_end = data + width * height; // End of data + uint32_t* const src_last = data + width * last_row; // Last pixel to decode + const int len_code_limit = NUM_LITERAL_CODES + NUM_LENGTH_CODES; + const int color_cache_limit = len_code_limit + hdr->color_cache_size_; + int next_sync_row = dec->incremental_ ? row : 1 << 24; + VP8LColorCache* const color_cache = + (hdr->color_cache_size_ > 0) ? &hdr->color_cache_ : NULL; + const int mask = hdr->huffman_mask_; + const HTreeGroup* htree_group = + (src < src_last) ? GetHtreeGroupForPos(hdr, col, row) : NULL; + assert(dec->last_row_ < last_row); + assert(src_last <= src_end); + + while (src < src_last) { + int code; + if (row >= next_sync_row) { + SaveState(dec, (int)(src - data)); + next_sync_row = row + SYNC_EVERY_N_ROWS; + } + // Only update when changing tile. Note we could use this test: + // if "((((prev_col ^ col) | prev_row ^ row)) > mask)" -> tile changed + // but that's actually slower and needs storing the previous col/row. + if ((col & mask) == 0) { + htree_group = GetHtreeGroupForPos(hdr, col, row); + } + assert(htree_group != NULL); + if (htree_group->is_trivial_code) { + *src = htree_group->literal_arb; + goto AdvanceByOne; + } + VP8LFillBitWindow(br); + if (htree_group->use_packed_table) { + code = ReadPackedSymbols(htree_group, br, src); + if (VP8LIsEndOfStream(br)) break; + if (code == PACKED_NON_LITERAL_CODE) goto AdvanceByOne; + } else { + code = ReadSymbol(htree_group->htrees[GREEN], br); + } + if (VP8LIsEndOfStream(br)) break; + if (code < NUM_LITERAL_CODES) { // Literal + if (htree_group->is_trivial_literal) { + *src = htree_group->literal_arb | (code << 8); + } else { + int red, blue, alpha; + red = ReadSymbol(htree_group->htrees[RED], br); + VP8LFillBitWindow(br); + blue = ReadSymbol(htree_group->htrees[BLUE], br); + alpha = ReadSymbol(htree_group->htrees[ALPHA], br); + if (VP8LIsEndOfStream(br)) break; + *src = ((uint32_t)alpha << 24) | (red << 16) | (code << 8) | blue; + } + AdvanceByOne: + ++src; + ++col; + if (col >= width) { + col = 0; + ++row; + if (process_func != NULL) { + if (row <= last_row && (row % NUM_ARGB_CACHE_ROWS == 0)) { + process_func(dec, row); + } + } + if (color_cache != NULL) { + while (last_cached < src) { + VP8LColorCacheInsert(color_cache, *last_cached++); + } + } + } + } else if (code < len_code_limit) { // Backward reference + int dist_code, dist; + const int length_sym = code - NUM_LITERAL_CODES; + const int length = GetCopyLength(length_sym, br); + const int dist_symbol = ReadSymbol(htree_group->htrees[DIST], br); + VP8LFillBitWindow(br); + dist_code = GetCopyDistance(dist_symbol, br); + dist = PlaneCodeToDistance(width, dist_code); + + if (VP8LIsEndOfStream(br)) break; + if (src - data < (ptrdiff_t)dist || src_end - src < (ptrdiff_t)length) { + goto Error; + } else { + CopyBlock32b(src, dist, length); + } + src += length; + col += length; + while (col >= width) { + col -= width; + ++row; + if (process_func != NULL) { + if (row <= last_row && (row % NUM_ARGB_CACHE_ROWS == 0)) { + process_func(dec, row); + } + } + } + // Because of the check done above (before 'src' was incremented by + // 'length'), the following holds true. + assert(src <= src_end); + if (col & mask) htree_group = GetHtreeGroupForPos(hdr, col, row); + if (color_cache != NULL) { + while (last_cached < src) { + VP8LColorCacheInsert(color_cache, *last_cached++); + } + } + } else if (code < color_cache_limit) { // Color cache + const int key = code - len_code_limit; + assert(color_cache != NULL); + while (last_cached < src) { + VP8LColorCacheInsert(color_cache, *last_cached++); + } + *src = VP8LColorCacheLookup(color_cache, key); + goto AdvanceByOne; + } else { // Not reached + goto Error; + } + } + + br->eos_ = VP8LIsEndOfStream(br); + if (dec->incremental_ && br->eos_ && src < src_end) { + RestoreState(dec); + } else if (!br->eos_) { + // Process the remaining rows corresponding to last row-block. + if (process_func != NULL) { + process_func(dec, row > last_row ? last_row : row); + } + dec->status_ = VP8_STATUS_OK; + dec->last_pixel_ = (int)(src - data); // end-of-scan marker + } else { + // if not incremental, and we are past the end of buffer (eos_=1), then this + // is a real bitstream error. + goto Error; + } + return 1; + + Error: + dec->status_ = VP8_STATUS_BITSTREAM_ERROR; + return 0; +} + +// ----------------------------------------------------------------------------- +// VP8LTransform + +static void ClearTransform(VP8LTransform* const transform) { + WebPSafeFree(transform->data_); + transform->data_ = NULL; +} + +// For security reason, we need to remap the color map to span +// the total possible bundled values, and not just the num_colors. +static int ExpandColorMap(int num_colors, VP8LTransform* const transform) { + int i; + const int final_num_colors = 1 << (8 >> transform->bits_); + uint32_t* const new_color_map = + (uint32_t*)WebPSafeMalloc((uint64_t)final_num_colors, + sizeof(*new_color_map)); + if (new_color_map == NULL) { + return 0; + } else { + uint8_t* const data = (uint8_t*)transform->data_; + uint8_t* const new_data = (uint8_t*)new_color_map; + new_color_map[0] = transform->data_[0]; + for (i = 4; i < 4 * num_colors; ++i) { + // Equivalent to VP8LAddPixels(), on a byte-basis. + new_data[i] = (data[i] + new_data[i - 4]) & 0xff; + } + for (; i < 4 * final_num_colors; ++i) { + new_data[i] = 0; // black tail. + } + WebPSafeFree(transform->data_); + transform->data_ = new_color_map; + } + return 1; +} + +static int ReadTransform(int* const xsize, int const* ysize, + VP8LDecoder* const dec) { + int ok = 1; + VP8LBitReader* const br = &dec->br_; + VP8LTransform* transform = &dec->transforms_[dec->next_transform_]; + const VP8LImageTransformType type = + (VP8LImageTransformType)VP8LReadBits(br, 2); + + // Each transform type can only be present once in the stream. + if (dec->transforms_seen_ & (1U << type)) { + return 0; // Already there, let's not accept the second same transform. + } + dec->transforms_seen_ |= (1U << type); + + transform->type_ = type; + transform->xsize_ = *xsize; + transform->ysize_ = *ysize; + transform->data_ = NULL; + ++dec->next_transform_; + assert(dec->next_transform_ <= NUM_TRANSFORMS); + + switch (type) { + case PREDICTOR_TRANSFORM: + case CROSS_COLOR_TRANSFORM: + transform->bits_ = VP8LReadBits(br, 3) + 2; + ok = DecodeImageStream(VP8LSubSampleSize(transform->xsize_, + transform->bits_), + VP8LSubSampleSize(transform->ysize_, + transform->bits_), + 0, dec, &transform->data_); + break; + case COLOR_INDEXING_TRANSFORM: { + const int num_colors = VP8LReadBits(br, 8) + 1; + const int bits = (num_colors > 16) ? 0 + : (num_colors > 4) ? 1 + : (num_colors > 2) ? 2 + : 3; + *xsize = VP8LSubSampleSize(transform->xsize_, bits); + transform->bits_ = bits; + ok = DecodeImageStream(num_colors, 1, 0, dec, &transform->data_); + ok = ok && ExpandColorMap(num_colors, transform); + break; + } + case SUBTRACT_GREEN_TRANSFORM: + break; + default: + assert(0); // can't happen + break; + } + + return ok; +} + +// ----------------------------------------------------------------------------- +// VP8LMetadata + +static void InitMetadata(VP8LMetadata* const hdr) { + assert(hdr != NULL); + memset(hdr, 0, sizeof(*hdr)); +} + +static void ClearMetadata(VP8LMetadata* const hdr) { + assert(hdr != NULL); + + WebPSafeFree(hdr->huffman_image_); + VP8LHuffmanTablesDeallocate(&hdr->huffman_tables_); + VP8LHtreeGroupsFree(hdr->htree_groups_); + VP8LColorCacheClear(&hdr->color_cache_); + VP8LColorCacheClear(&hdr->saved_color_cache_); + InitMetadata(hdr); +} + +// ----------------------------------------------------------------------------- +// VP8LDecoder + +VP8LDecoder* VP8LNew(void) { + VP8LDecoder* const dec = (VP8LDecoder*)WebPSafeCalloc(1ULL, sizeof(*dec)); + if (dec == NULL) return NULL; + dec->status_ = VP8_STATUS_OK; + dec->state_ = READ_DIM; + + VP8LDspInit(); // Init critical function pointers. + + return dec; +} + +void VP8LClear(VP8LDecoder* const dec) { + int i; + if (dec == NULL) return; + ClearMetadata(&dec->hdr_); + + WebPSafeFree(dec->pixels_); + dec->pixels_ = NULL; + for (i = 0; i < dec->next_transform_; ++i) { + ClearTransform(&dec->transforms_[i]); + } + dec->next_transform_ = 0; + dec->transforms_seen_ = 0; + + WebPSafeFree(dec->rescaler_memory); + dec->rescaler_memory = NULL; + + dec->output_ = NULL; // leave no trace behind +} + +void VP8LDelete(VP8LDecoder* const dec) { + if (dec != NULL) { + VP8LClear(dec); + WebPSafeFree(dec); + } +} + +static void UpdateDecoder(VP8LDecoder* const dec, int width, int height) { + VP8LMetadata* const hdr = &dec->hdr_; + const int num_bits = hdr->huffman_subsample_bits_; + dec->width_ = width; + dec->height_ = height; + + hdr->huffman_xsize_ = VP8LSubSampleSize(width, num_bits); + hdr->huffman_mask_ = (num_bits == 0) ? ~0 : (1 << num_bits) - 1; +} + +static int DecodeImageStream(int xsize, int ysize, + int is_level0, + VP8LDecoder* const dec, + uint32_t** const decoded_data) { + int ok = 1; + int transform_xsize = xsize; + int transform_ysize = ysize; + VP8LBitReader* const br = &dec->br_; + VP8LMetadata* const hdr = &dec->hdr_; + uint32_t* data = NULL; + int color_cache_bits = 0; + + // Read the transforms (may recurse). + if (is_level0) { + while (ok && VP8LReadBits(br, 1)) { + ok = ReadTransform(&transform_xsize, &transform_ysize, dec); + } + } + + // Color cache + if (ok && VP8LReadBits(br, 1)) { + color_cache_bits = VP8LReadBits(br, 4); + ok = (color_cache_bits >= 1 && color_cache_bits <= MAX_CACHE_BITS); + if (!ok) { + dec->status_ = VP8_STATUS_BITSTREAM_ERROR; + goto End; + } + } + + // Read the Huffman codes (may recurse). + ok = ok && ReadHuffmanCodes(dec, transform_xsize, transform_ysize, + color_cache_bits, is_level0); + if (!ok) { + dec->status_ = VP8_STATUS_BITSTREAM_ERROR; + goto End; + } + + // Finish setting up the color-cache + if (color_cache_bits > 0) { + hdr->color_cache_size_ = 1 << color_cache_bits; + if (!VP8LColorCacheInit(&hdr->color_cache_, color_cache_bits)) { + dec->status_ = VP8_STATUS_OUT_OF_MEMORY; + ok = 0; + goto End; + } + } else { + hdr->color_cache_size_ = 0; + } + UpdateDecoder(dec, transform_xsize, transform_ysize); + + if (is_level0) { // level 0 complete + dec->state_ = READ_HDR; + goto End; + } + + { + const uint64_t total_size = (uint64_t)transform_xsize * transform_ysize; + data = (uint32_t*)WebPSafeMalloc(total_size, sizeof(*data)); + if (data == NULL) { + dec->status_ = VP8_STATUS_OUT_OF_MEMORY; + ok = 0; + goto End; + } + } + + // Use the Huffman trees to decode the LZ77 encoded data. + ok = DecodeImageData(dec, data, transform_xsize, transform_ysize, + transform_ysize, NULL); + ok = ok && !br->eos_; + + End: + if (!ok) { + WebPSafeFree(data); + ClearMetadata(hdr); + } else { + if (decoded_data != NULL) { + *decoded_data = data; + } else { + // We allocate image data in this function only for transforms. At level 0 + // (that is: not the transforms), we shouldn't have allocated anything. + assert(data == NULL); + assert(is_level0); + } + dec->last_pixel_ = 0; // Reset for future DECODE_DATA_FUNC() calls. + if (!is_level0) ClearMetadata(hdr); // Clean up temporary data behind. + } + return ok; +} + +//------------------------------------------------------------------------------ +// Allocate internal buffers dec->pixels_ and dec->argb_cache_. +static int AllocateInternalBuffers32b(VP8LDecoder* const dec, int final_width) { + const uint64_t num_pixels = (uint64_t)dec->width_ * dec->height_; + // Scratch buffer corresponding to top-prediction row for transforming the + // first row in the row-blocks. Not needed for paletted alpha. + const uint64_t cache_top_pixels = (uint16_t)final_width; + // Scratch buffer for temporary BGRA storage. Not needed for paletted alpha. + const uint64_t cache_pixels = (uint64_t)final_width * NUM_ARGB_CACHE_ROWS; + const uint64_t total_num_pixels = + num_pixels + cache_top_pixels + cache_pixels; + + assert(dec->width_ <= final_width); + dec->pixels_ = (uint32_t*)WebPSafeMalloc(total_num_pixels, sizeof(uint32_t)); + if (dec->pixels_ == NULL) { + dec->argb_cache_ = NULL; // for soundness + dec->status_ = VP8_STATUS_OUT_OF_MEMORY; + return 0; + } + dec->argb_cache_ = dec->pixels_ + num_pixels + cache_top_pixels; + return 1; +} + +static int AllocateInternalBuffers8b(VP8LDecoder* const dec) { + const uint64_t total_num_pixels = (uint64_t)dec->width_ * dec->height_; + dec->argb_cache_ = NULL; // for soundness + dec->pixels_ = (uint32_t*)WebPSafeMalloc(total_num_pixels, sizeof(uint8_t)); + if (dec->pixels_ == NULL) { + dec->status_ = VP8_STATUS_OUT_OF_MEMORY; + return 0; + } + return 1; +} + +//------------------------------------------------------------------------------ + +// Special row-processing that only stores the alpha data. +static void ExtractAlphaRows(VP8LDecoder* const dec, int last_row) { + int cur_row = dec->last_row_; + int num_rows = last_row - cur_row; + const uint32_t* in = dec->pixels_ + dec->width_ * cur_row; + + assert(last_row <= dec->io_->crop_bottom); + while (num_rows > 0) { + const int num_rows_to_process = + (num_rows > NUM_ARGB_CACHE_ROWS) ? NUM_ARGB_CACHE_ROWS : num_rows; + // Extract alpha (which is stored in the green plane). + ALPHDecoder* const alph_dec = (ALPHDecoder*)dec->io_->opaque; + uint8_t* const output = alph_dec->output_; + const int width = dec->io_->width; // the final width (!= dec->width_) + const int cache_pixs = width * num_rows_to_process; + uint8_t* const dst = output + width * cur_row; + const uint32_t* const src = dec->argb_cache_; + ApplyInverseTransforms(dec, cur_row, num_rows_to_process, in); + WebPExtractGreen(src, dst, cache_pixs); + AlphaApplyFilter(alph_dec, + cur_row, cur_row + num_rows_to_process, dst, width); + num_rows -= num_rows_to_process; + in += num_rows_to_process * dec->width_; + cur_row += num_rows_to_process; + } + assert(cur_row == last_row); + dec->last_row_ = dec->last_out_row_ = last_row; +} + +int VP8LDecodeAlphaHeader(ALPHDecoder* const alph_dec, + const uint8_t* const data, size_t data_size) { + int ok = 0; + VP8LDecoder* dec = VP8LNew(); + + if (dec == NULL) return 0; + + assert(alph_dec != NULL); + + dec->width_ = alph_dec->width_; + dec->height_ = alph_dec->height_; + dec->io_ = &alph_dec->io_; + dec->io_->opaque = alph_dec; + dec->io_->width = alph_dec->width_; + dec->io_->height = alph_dec->height_; + + dec->status_ = VP8_STATUS_OK; + VP8LInitBitReader(&dec->br_, data, data_size); + + if (!DecodeImageStream(alph_dec->width_, alph_dec->height_, 1, dec, NULL)) { + goto Err; + } + + // Special case: if alpha data uses only the color indexing transform and + // doesn't use color cache (a frequent case), we will use DecodeAlphaData() + // method that only needs allocation of 1 byte per pixel (alpha channel). + if (dec->next_transform_ == 1 && + dec->transforms_[0].type_ == COLOR_INDEXING_TRANSFORM && + Is8bOptimizable(&dec->hdr_)) { + alph_dec->use_8b_decode_ = 1; + ok = AllocateInternalBuffers8b(dec); + } else { + // Allocate internal buffers (note that dec->width_ may have changed here). + alph_dec->use_8b_decode_ = 0; + ok = AllocateInternalBuffers32b(dec, alph_dec->width_); + } + + if (!ok) goto Err; + + // Only set here, once we are sure it is valid (to avoid thread races). + alph_dec->vp8l_dec_ = dec; + return 1; + + Err: + VP8LDelete(dec); + return 0; +} + +int VP8LDecodeAlphaImageStream(ALPHDecoder* const alph_dec, int last_row) { + VP8LDecoder* const dec = alph_dec->vp8l_dec_; + assert(dec != NULL); + assert(last_row <= dec->height_); + + if (dec->last_row_ >= last_row) { + return 1; // done + } + + if (!alph_dec->use_8b_decode_) WebPInitAlphaProcessing(); + + // Decode (with special row processing). + return alph_dec->use_8b_decode_ ? + DecodeAlphaData(dec, (uint8_t*)dec->pixels_, dec->width_, dec->height_, + last_row) : + DecodeImageData(dec, dec->pixels_, dec->width_, dec->height_, + last_row, ExtractAlphaRows); +} + +//------------------------------------------------------------------------------ + +int VP8LDecodeHeader(VP8LDecoder* const dec, VP8Io* const io) { + int width, height, has_alpha; + + if (dec == NULL) return 0; + if (io == NULL) { + dec->status_ = VP8_STATUS_INVALID_PARAM; + return 0; + } + + dec->io_ = io; + dec->status_ = VP8_STATUS_OK; + VP8LInitBitReader(&dec->br_, io->data, io->data_size); + if (!ReadImageInfo(&dec->br_, &width, &height, &has_alpha)) { + dec->status_ = VP8_STATUS_BITSTREAM_ERROR; + goto Error; + } + dec->state_ = READ_DIM; + io->width = width; + io->height = height; + + if (!DecodeImageStream(width, height, 1, dec, NULL)) goto Error; + return 1; + + Error: + VP8LClear(dec); + assert(dec->status_ != VP8_STATUS_OK); + return 0; +} + +int VP8LDecodeImage(VP8LDecoder* const dec) { + VP8Io* io = NULL; + WebPDecParams* params = NULL; + + if (dec == NULL) return 0; + + assert(dec->hdr_.huffman_tables_.root.start != NULL); + assert(dec->hdr_.htree_groups_ != NULL); + assert(dec->hdr_.num_htree_groups_ > 0); + + io = dec->io_; + assert(io != NULL); + params = (WebPDecParams*)io->opaque; + assert(params != NULL); + + // Initialization. + if (dec->state_ != READ_DATA) { + dec->output_ = params->output; + assert(dec->output_ != NULL); + + if (!WebPIoInitFromOptions(params->options, io, MODE_BGRA)) { + dec->status_ = VP8_STATUS_INVALID_PARAM; + goto Err; + } + + if (!AllocateInternalBuffers32b(dec, io->width)) goto Err; + +#if !defined(WEBP_REDUCE_SIZE) + if (io->use_scaling && !AllocateAndInitRescaler(dec, io)) goto Err; +#else + if (io->use_scaling) { + dec->status_ = VP8_STATUS_INVALID_PARAM; + goto Err; + } +#endif + if (io->use_scaling || WebPIsPremultipliedMode(dec->output_->colorspace)) { + // need the alpha-multiply functions for premultiplied output or rescaling + WebPInitAlphaProcessing(); + } + + if (!WebPIsRGBMode(dec->output_->colorspace)) { + WebPInitConvertARGBToYUV(); + if (dec->output_->u.YUVA.a != NULL) WebPInitAlphaProcessing(); + } + if (dec->incremental_) { + if (dec->hdr_.color_cache_size_ > 0 && + dec->hdr_.saved_color_cache_.colors_ == NULL) { + if (!VP8LColorCacheInit(&dec->hdr_.saved_color_cache_, + dec->hdr_.color_cache_.hash_bits_)) { + dec->status_ = VP8_STATUS_OUT_OF_MEMORY; + goto Err; + } + } + } + dec->state_ = READ_DATA; + } + + // Decode. + if (!DecodeImageData(dec, dec->pixels_, dec->width_, dec->height_, + io->crop_bottom, ProcessRows)) { + goto Err; + } + + params->last_y = dec->last_out_row_; + return 1; + + Err: + VP8LClear(dec); + assert(dec->status_ != VP8_STATUS_OK); + return 0; +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/dec/vp8li_dec.h b/ProductApp/Pods/libwebp/src/dec/vp8li_dec.h new file mode 100644 index 0000000..32540a4 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dec/vp8li_dec.h @@ -0,0 +1,135 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Lossless decoder: internal header. +// +// Author: Skal (pascal.massimino@gmail.com) +// Vikas Arora(vikaas.arora@gmail.com) + +#ifndef WEBP_DEC_VP8LI_DEC_H_ +#define WEBP_DEC_VP8LI_DEC_H_ + +#include // for memcpy() +#include "src/dec/webpi_dec.h" +#include "src/utils/bit_reader_utils.h" +#include "src/utils/color_cache_utils.h" +#include "src/utils/huffman_utils.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + READ_DATA = 0, + READ_HDR = 1, + READ_DIM = 2 +} VP8LDecodeState; + +typedef struct VP8LTransform VP8LTransform; +struct VP8LTransform { + VP8LImageTransformType type_; // transform type. + int bits_; // subsampling bits defining transform window. + int xsize_; // transform window X index. + int ysize_; // transform window Y index. + uint32_t* data_; // transform data. +}; + +typedef struct { + int color_cache_size_; + VP8LColorCache color_cache_; + VP8LColorCache saved_color_cache_; // for incremental + + int huffman_mask_; + int huffman_subsample_bits_; + int huffman_xsize_; + uint32_t* huffman_image_; + int num_htree_groups_; + HTreeGroup* htree_groups_; + HuffmanTables huffman_tables_; +} VP8LMetadata; + +typedef struct VP8LDecoder VP8LDecoder; +struct VP8LDecoder { + VP8StatusCode status_; + VP8LDecodeState state_; + VP8Io* io_; + + const WebPDecBuffer* output_; // shortcut to io->opaque->output + + uint32_t* pixels_; // Internal data: either uint8_t* for alpha + // or uint32_t* for BGRA. + uint32_t* argb_cache_; // Scratch buffer for temporary BGRA storage. + + VP8LBitReader br_; + int incremental_; // if true, incremental decoding is expected + VP8LBitReader saved_br_; // note: could be local variables too + int saved_last_pixel_; + + int width_; + int height_; + int last_row_; // last input row decoded so far. + int last_pixel_; // last pixel decoded so far. However, it may + // not be transformed, scaled and + // color-converted yet. + int last_out_row_; // last row output so far. + + VP8LMetadata hdr_; + + int next_transform_; + VP8LTransform transforms_[NUM_TRANSFORMS]; + // or'd bitset storing the transforms types. + uint32_t transforms_seen_; + + uint8_t* rescaler_memory; // Working memory for rescaling work. + WebPRescaler* rescaler; // Common rescaler for all channels. +}; + +//------------------------------------------------------------------------------ +// internal functions. Not public. + +struct ALPHDecoder; // Defined in dec/alphai.h. + +// in vp8l.c + +// Decodes image header for alpha data stored using lossless compression. +// Returns false in case of error. +int VP8LDecodeAlphaHeader(struct ALPHDecoder* const alph_dec, + const uint8_t* const data, size_t data_size); + +// Decodes *at least* 'last_row' rows of alpha. If some of the initial rows are +// already decoded in previous call(s), it will resume decoding from where it +// was paused. +// Returns false in case of bitstream error. +int VP8LDecodeAlphaImageStream(struct ALPHDecoder* const alph_dec, + int last_row); + +// Allocates and initialize a new lossless decoder instance. +VP8LDecoder* VP8LNew(void); + +// Decodes the image header. Returns false in case of error. +int VP8LDecodeHeader(VP8LDecoder* const dec, VP8Io* const io); + +// Decodes an image. It's required to decode the lossless header before calling +// this function. Returns false in case of error, with updated dec->status_. +int VP8LDecodeImage(VP8LDecoder* const dec); + +// Resets the decoder in its initial state, reclaiming memory. +// Preserves the dec->status_ value. +void VP8LClear(VP8LDecoder* const dec); + +// Clears and deallocate a lossless decoder instance. +void VP8LDelete(VP8LDecoder* const dec); + +//------------------------------------------------------------------------------ + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_DEC_VP8LI_DEC_H_ diff --git a/ProductApp/Pods/libwebp/src/dec/webp_dec.c b/ProductApp/Pods/libwebp/src/dec/webp_dec.c new file mode 100644 index 0000000..f557868 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dec/webp_dec.c @@ -0,0 +1,859 @@ +// Copyright 2010 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Main decoding functions for WEBP images. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include + +#include "src/dec/vp8i_dec.h" +#include "src/dec/vp8li_dec.h" +#include "src/dec/webpi_dec.h" +#include "src/utils/utils.h" +#include "src/webp/mux_types.h" // ALPHA_FLAG + +//------------------------------------------------------------------------------ +// RIFF layout is: +// Offset tag +// 0...3 "RIFF" 4-byte tag +// 4...7 size of image data (including metadata) starting at offset 8 +// 8...11 "WEBP" our form-type signature +// The RIFF container (12 bytes) is followed by appropriate chunks: +// 12..15 "VP8 ": 4-bytes tags, signaling the use of VP8 video format +// 16..19 size of the raw VP8 image data, starting at offset 20 +// 20.... the VP8 bytes +// Or, +// 12..15 "VP8L": 4-bytes tags, signaling the use of VP8L lossless format +// 16..19 size of the raw VP8L image data, starting at offset 20 +// 20.... the VP8L bytes +// Or, +// 12..15 "VP8X": 4-bytes tags, describing the extended-VP8 chunk. +// 16..19 size of the VP8X chunk starting at offset 20. +// 20..23 VP8X flags bit-map corresponding to the chunk-types present. +// 24..26 Width of the Canvas Image. +// 27..29 Height of the Canvas Image. +// There can be extra chunks after the "VP8X" chunk (ICCP, ANMF, VP8, VP8L, +// XMP, EXIF ...) +// All sizes are in little-endian order. +// Note: chunk data size must be padded to multiple of 2 when written. + +// Validates the RIFF container (if detected) and skips over it. +// If a RIFF container is detected, returns: +// VP8_STATUS_BITSTREAM_ERROR for invalid header, +// VP8_STATUS_NOT_ENOUGH_DATA for truncated data if have_all_data is true, +// and VP8_STATUS_OK otherwise. +// In case there are not enough bytes (partial RIFF container), return 0 for +// *riff_size. Else return the RIFF size extracted from the header. +static VP8StatusCode ParseRIFF(const uint8_t** const data, + size_t* const data_size, int have_all_data, + size_t* const riff_size) { + assert(data != NULL); + assert(data_size != NULL); + assert(riff_size != NULL); + + *riff_size = 0; // Default: no RIFF present. + if (*data_size >= RIFF_HEADER_SIZE && !memcmp(*data, "RIFF", TAG_SIZE)) { + if (memcmp(*data + 8, "WEBP", TAG_SIZE)) { + return VP8_STATUS_BITSTREAM_ERROR; // Wrong image file signature. + } else { + const uint32_t size = GetLE32(*data + TAG_SIZE); + // Check that we have at least one chunk (i.e "WEBP" + "VP8?nnnn"). + if (size < TAG_SIZE + CHUNK_HEADER_SIZE) { + return VP8_STATUS_BITSTREAM_ERROR; + } + if (size > MAX_CHUNK_PAYLOAD) { + return VP8_STATUS_BITSTREAM_ERROR; + } + if (have_all_data && (size > *data_size - CHUNK_HEADER_SIZE)) { + return VP8_STATUS_NOT_ENOUGH_DATA; // Truncated bitstream. + } + // We have a RIFF container. Skip it. + *riff_size = size; + *data += RIFF_HEADER_SIZE; + *data_size -= RIFF_HEADER_SIZE; + } + } + return VP8_STATUS_OK; +} + +// Validates the VP8X header and skips over it. +// Returns VP8_STATUS_BITSTREAM_ERROR for invalid VP8X header, +// VP8_STATUS_NOT_ENOUGH_DATA in case of insufficient data, and +// VP8_STATUS_OK otherwise. +// If a VP8X chunk is found, found_vp8x is set to true and *width_ptr, +// *height_ptr and *flags_ptr are set to the corresponding values extracted +// from the VP8X chunk. +static VP8StatusCode ParseVP8X(const uint8_t** const data, + size_t* const data_size, + int* const found_vp8x, + int* const width_ptr, int* const height_ptr, + uint32_t* const flags_ptr) { + const uint32_t vp8x_size = CHUNK_HEADER_SIZE + VP8X_CHUNK_SIZE; + assert(data != NULL); + assert(data_size != NULL); + assert(found_vp8x != NULL); + + *found_vp8x = 0; + + if (*data_size < CHUNK_HEADER_SIZE) { + return VP8_STATUS_NOT_ENOUGH_DATA; // Insufficient data. + } + + if (!memcmp(*data, "VP8X", TAG_SIZE)) { + int width, height; + uint32_t flags; + const uint32_t chunk_size = GetLE32(*data + TAG_SIZE); + if (chunk_size != VP8X_CHUNK_SIZE) { + return VP8_STATUS_BITSTREAM_ERROR; // Wrong chunk size. + } + + // Verify if enough data is available to validate the VP8X chunk. + if (*data_size < vp8x_size) { + return VP8_STATUS_NOT_ENOUGH_DATA; // Insufficient data. + } + flags = GetLE32(*data + 8); + width = 1 + GetLE24(*data + 12); + height = 1 + GetLE24(*data + 15); + if (width * (uint64_t)height >= MAX_IMAGE_AREA) { + return VP8_STATUS_BITSTREAM_ERROR; // image is too large + } + + if (flags_ptr != NULL) *flags_ptr = flags; + if (width_ptr != NULL) *width_ptr = width; + if (height_ptr != NULL) *height_ptr = height; + // Skip over VP8X header bytes. + *data += vp8x_size; + *data_size -= vp8x_size; + *found_vp8x = 1; + } + return VP8_STATUS_OK; +} + +// Skips to the next VP8/VP8L chunk header in the data given the size of the +// RIFF chunk 'riff_size'. +// Returns VP8_STATUS_BITSTREAM_ERROR if any invalid chunk size is encountered, +// VP8_STATUS_NOT_ENOUGH_DATA in case of insufficient data, and +// VP8_STATUS_OK otherwise. +// If an alpha chunk is found, *alpha_data and *alpha_size are set +// appropriately. +static VP8StatusCode ParseOptionalChunks(const uint8_t** const data, + size_t* const data_size, + size_t const riff_size, + const uint8_t** const alpha_data, + size_t* const alpha_size) { + const uint8_t* buf; + size_t buf_size; + uint32_t total_size = TAG_SIZE + // "WEBP". + CHUNK_HEADER_SIZE + // "VP8Xnnnn". + VP8X_CHUNK_SIZE; // data. + assert(data != NULL); + assert(data_size != NULL); + buf = *data; + buf_size = *data_size; + + assert(alpha_data != NULL); + assert(alpha_size != NULL); + *alpha_data = NULL; + *alpha_size = 0; + + while (1) { + uint32_t chunk_size; + uint32_t disk_chunk_size; // chunk_size with padding + + *data = buf; + *data_size = buf_size; + + if (buf_size < CHUNK_HEADER_SIZE) { // Insufficient data. + return VP8_STATUS_NOT_ENOUGH_DATA; + } + + chunk_size = GetLE32(buf + TAG_SIZE); + if (chunk_size > MAX_CHUNK_PAYLOAD) { + return VP8_STATUS_BITSTREAM_ERROR; // Not a valid chunk size. + } + // For odd-sized chunk-payload, there's one byte padding at the end. + disk_chunk_size = (CHUNK_HEADER_SIZE + chunk_size + 1) & ~1u; + total_size += disk_chunk_size; + + // Check that total bytes skipped so far does not exceed riff_size. + if (riff_size > 0 && (total_size > riff_size)) { + return VP8_STATUS_BITSTREAM_ERROR; // Not a valid chunk size. + } + + // Start of a (possibly incomplete) VP8/VP8L chunk implies that we have + // parsed all the optional chunks. + // Note: This check must occur before the check 'buf_size < disk_chunk_size' + // below to allow incomplete VP8/VP8L chunks. + if (!memcmp(buf, "VP8 ", TAG_SIZE) || + !memcmp(buf, "VP8L", TAG_SIZE)) { + return VP8_STATUS_OK; + } + + if (buf_size < disk_chunk_size) { // Insufficient data. + return VP8_STATUS_NOT_ENOUGH_DATA; + } + + if (!memcmp(buf, "ALPH", TAG_SIZE)) { // A valid ALPH header. + *alpha_data = buf + CHUNK_HEADER_SIZE; + *alpha_size = chunk_size; + } + + // We have a full and valid chunk; skip it. + buf += disk_chunk_size; + buf_size -= disk_chunk_size; + } +} + +// Validates the VP8/VP8L Header ("VP8 nnnn" or "VP8L nnnn") and skips over it. +// Returns VP8_STATUS_BITSTREAM_ERROR for invalid (chunk larger than +// riff_size) VP8/VP8L header, +// VP8_STATUS_NOT_ENOUGH_DATA in case of insufficient data, and +// VP8_STATUS_OK otherwise. +// If a VP8/VP8L chunk is found, *chunk_size is set to the total number of bytes +// extracted from the VP8/VP8L chunk header. +// The flag '*is_lossless' is set to 1 in case of VP8L chunk / raw VP8L data. +static VP8StatusCode ParseVP8Header(const uint8_t** const data_ptr, + size_t* const data_size, int have_all_data, + size_t riff_size, size_t* const chunk_size, + int* const is_lossless) { + const uint8_t* const data = *data_ptr; + const int is_vp8 = !memcmp(data, "VP8 ", TAG_SIZE); + const int is_vp8l = !memcmp(data, "VP8L", TAG_SIZE); + const uint32_t minimal_size = + TAG_SIZE + CHUNK_HEADER_SIZE; // "WEBP" + "VP8 nnnn" OR + // "WEBP" + "VP8Lnnnn" + assert(data != NULL); + assert(data_size != NULL); + assert(chunk_size != NULL); + assert(is_lossless != NULL); + + if (*data_size < CHUNK_HEADER_SIZE) { + return VP8_STATUS_NOT_ENOUGH_DATA; // Insufficient data. + } + + if (is_vp8 || is_vp8l) { + // Bitstream contains VP8/VP8L header. + const uint32_t size = GetLE32(data + TAG_SIZE); + if ((riff_size >= minimal_size) && (size > riff_size - minimal_size)) { + return VP8_STATUS_BITSTREAM_ERROR; // Inconsistent size information. + } + if (have_all_data && (size > *data_size - CHUNK_HEADER_SIZE)) { + return VP8_STATUS_NOT_ENOUGH_DATA; // Truncated bitstream. + } + // Skip over CHUNK_HEADER_SIZE bytes from VP8/VP8L Header. + *chunk_size = size; + *data_ptr += CHUNK_HEADER_SIZE; + *data_size -= CHUNK_HEADER_SIZE; + *is_lossless = is_vp8l; + } else { + // Raw VP8/VP8L bitstream (no header). + *is_lossless = VP8LCheckSignature(data, *data_size); + *chunk_size = *data_size; + } + + return VP8_STATUS_OK; +} + +//------------------------------------------------------------------------------ + +// Fetch '*width', '*height', '*has_alpha' and fill out 'headers' based on +// 'data'. All the output parameters may be NULL. If 'headers' is NULL only the +// minimal amount will be read to fetch the remaining parameters. +// If 'headers' is non-NULL this function will attempt to locate both alpha +// data (with or without a VP8X chunk) and the bitstream chunk (VP8/VP8L). +// Note: The following chunk sequences (before the raw VP8/VP8L data) are +// considered valid by this function: +// RIFF + VP8(L) +// RIFF + VP8X + (optional chunks) + VP8(L) +// ALPH + VP8 <-- Not a valid WebP format: only allowed for internal purpose. +// VP8(L) <-- Not a valid WebP format: only allowed for internal purpose. +static VP8StatusCode ParseHeadersInternal(const uint8_t* data, + size_t data_size, + int* const width, + int* const height, + int* const has_alpha, + int* const has_animation, + int* const format, + WebPHeaderStructure* const headers) { + int canvas_width = 0; + int canvas_height = 0; + int image_width = 0; + int image_height = 0; + int found_riff = 0; + int found_vp8x = 0; + int animation_present = 0; + const int have_all_data = (headers != NULL) ? headers->have_all_data : 0; + + VP8StatusCode status; + WebPHeaderStructure hdrs; + + if (data == NULL || data_size < RIFF_HEADER_SIZE) { + return VP8_STATUS_NOT_ENOUGH_DATA; + } + memset(&hdrs, 0, sizeof(hdrs)); + hdrs.data = data; + hdrs.data_size = data_size; + + // Skip over RIFF header. + status = ParseRIFF(&data, &data_size, have_all_data, &hdrs.riff_size); + if (status != VP8_STATUS_OK) { + return status; // Wrong RIFF header / insufficient data. + } + found_riff = (hdrs.riff_size > 0); + + // Skip over VP8X. + { + uint32_t flags = 0; + status = ParseVP8X(&data, &data_size, &found_vp8x, + &canvas_width, &canvas_height, &flags); + if (status != VP8_STATUS_OK) { + return status; // Wrong VP8X / insufficient data. + } + animation_present = !!(flags & ANIMATION_FLAG); + if (!found_riff && found_vp8x) { + // Note: This restriction may be removed in the future, if it becomes + // necessary to send VP8X chunk to the decoder. + return VP8_STATUS_BITSTREAM_ERROR; + } + if (has_alpha != NULL) *has_alpha = !!(flags & ALPHA_FLAG); + if (has_animation != NULL) *has_animation = animation_present; + if (format != NULL) *format = 0; // default = undefined + + image_width = canvas_width; + image_height = canvas_height; + if (found_vp8x && animation_present && headers == NULL) { + status = VP8_STATUS_OK; + goto ReturnWidthHeight; // Just return features from VP8X header. + } + } + + if (data_size < TAG_SIZE) { + status = VP8_STATUS_NOT_ENOUGH_DATA; + goto ReturnWidthHeight; + } + + // Skip over optional chunks if data started with "RIFF + VP8X" or "ALPH". + if ((found_riff && found_vp8x) || + (!found_riff && !found_vp8x && !memcmp(data, "ALPH", TAG_SIZE))) { + status = ParseOptionalChunks(&data, &data_size, hdrs.riff_size, + &hdrs.alpha_data, &hdrs.alpha_data_size); + if (status != VP8_STATUS_OK) { + goto ReturnWidthHeight; // Invalid chunk size / insufficient data. + } + } + + // Skip over VP8/VP8L header. + status = ParseVP8Header(&data, &data_size, have_all_data, hdrs.riff_size, + &hdrs.compressed_size, &hdrs.is_lossless); + if (status != VP8_STATUS_OK) { + goto ReturnWidthHeight; // Wrong VP8/VP8L chunk-header / insufficient data. + } + if (hdrs.compressed_size > MAX_CHUNK_PAYLOAD) { + return VP8_STATUS_BITSTREAM_ERROR; + } + + if (format != NULL && !animation_present) { + *format = hdrs.is_lossless ? 2 : 1; + } + + if (!hdrs.is_lossless) { + if (data_size < VP8_FRAME_HEADER_SIZE) { + status = VP8_STATUS_NOT_ENOUGH_DATA; + goto ReturnWidthHeight; + } + // Validates raw VP8 data. + if (!VP8GetInfo(data, data_size, (uint32_t)hdrs.compressed_size, + &image_width, &image_height)) { + return VP8_STATUS_BITSTREAM_ERROR; + } + } else { + if (data_size < VP8L_FRAME_HEADER_SIZE) { + status = VP8_STATUS_NOT_ENOUGH_DATA; + goto ReturnWidthHeight; + } + // Validates raw VP8L data. + if (!VP8LGetInfo(data, data_size, &image_width, &image_height, has_alpha)) { + return VP8_STATUS_BITSTREAM_ERROR; + } + } + // Validates image size coherency. + if (found_vp8x) { + if (canvas_width != image_width || canvas_height != image_height) { + return VP8_STATUS_BITSTREAM_ERROR; + } + } + if (headers != NULL) { + *headers = hdrs; + headers->offset = data - headers->data; + assert((uint64_t)(data - headers->data) < MAX_CHUNK_PAYLOAD); + assert(headers->offset == headers->data_size - data_size); + } + ReturnWidthHeight: + if (status == VP8_STATUS_OK || + (status == VP8_STATUS_NOT_ENOUGH_DATA && found_vp8x && headers == NULL)) { + if (has_alpha != NULL) { + // If the data did not contain a VP8X/VP8L chunk the only definitive way + // to set this is by looking for alpha data (from an ALPH chunk). + *has_alpha |= (hdrs.alpha_data != NULL); + } + if (width != NULL) *width = image_width; + if (height != NULL) *height = image_height; + return VP8_STATUS_OK; + } else { + return status; + } +} + +VP8StatusCode WebPParseHeaders(WebPHeaderStructure* const headers) { + // status is marked volatile as a workaround for a clang-3.8 (aarch64) bug + volatile VP8StatusCode status; + int has_animation = 0; + assert(headers != NULL); + // fill out headers, ignore width/height/has_alpha. + status = ParseHeadersInternal(headers->data, headers->data_size, + NULL, NULL, NULL, &has_animation, + NULL, headers); + if (status == VP8_STATUS_OK || status == VP8_STATUS_NOT_ENOUGH_DATA) { + // The WebPDemux API + libwebp can be used to decode individual + // uncomposited frames or the WebPAnimDecoder can be used to fully + // reconstruct them (see webp/demux.h). + if (has_animation) { + status = VP8_STATUS_UNSUPPORTED_FEATURE; + } + } + return status; +} + +//------------------------------------------------------------------------------ +// WebPDecParams + +void WebPResetDecParams(WebPDecParams* const params) { + if (params != NULL) { + memset(params, 0, sizeof(*params)); + } +} + +//------------------------------------------------------------------------------ +// "Into" decoding variants + +// Main flow +static VP8StatusCode DecodeInto(const uint8_t* const data, size_t data_size, + WebPDecParams* const params) { + VP8StatusCode status; + VP8Io io; + WebPHeaderStructure headers; + + headers.data = data; + headers.data_size = data_size; + headers.have_all_data = 1; + status = WebPParseHeaders(&headers); // Process Pre-VP8 chunks. + if (status != VP8_STATUS_OK) { + return status; + } + + assert(params != NULL); + VP8InitIo(&io); + io.data = headers.data + headers.offset; + io.data_size = headers.data_size - headers.offset; + WebPInitCustomIo(params, &io); // Plug the I/O functions. + + if (!headers.is_lossless) { + VP8Decoder* const dec = VP8New(); + if (dec == NULL) { + return VP8_STATUS_OUT_OF_MEMORY; + } + dec->alpha_data_ = headers.alpha_data; + dec->alpha_data_size_ = headers.alpha_data_size; + + // Decode bitstream header, update io->width/io->height. + if (!VP8GetHeaders(dec, &io)) { + status = dec->status_; // An error occurred. Grab error status. + } else { + // Allocate/check output buffers. + status = WebPAllocateDecBuffer(io.width, io.height, params->options, + params->output); + if (status == VP8_STATUS_OK) { // Decode + // This change must be done before calling VP8Decode() + dec->mt_method_ = VP8GetThreadMethod(params->options, &headers, + io.width, io.height); + VP8InitDithering(params->options, dec); + if (!VP8Decode(dec, &io)) { + status = dec->status_; + } + } + } + VP8Delete(dec); + } else { + VP8LDecoder* const dec = VP8LNew(); + if (dec == NULL) { + return VP8_STATUS_OUT_OF_MEMORY; + } + if (!VP8LDecodeHeader(dec, &io)) { + status = dec->status_; // An error occurred. Grab error status. + } else { + // Allocate/check output buffers. + status = WebPAllocateDecBuffer(io.width, io.height, params->options, + params->output); + if (status == VP8_STATUS_OK) { // Decode + if (!VP8LDecodeImage(dec)) { + status = dec->status_; + } + } + } + VP8LDelete(dec); + } + + if (status != VP8_STATUS_OK) { + WebPFreeDecBuffer(params->output); + } else { + if (params->options != NULL && params->options->flip) { + // This restores the original stride values if options->flip was used + // during the call to WebPAllocateDecBuffer above. + status = WebPFlipBuffer(params->output); + } + } + return status; +} + +// Helpers +static uint8_t* DecodeIntoRGBABuffer(WEBP_CSP_MODE colorspace, + const uint8_t* const data, + size_t data_size, + uint8_t* const rgba, + int stride, size_t size) { + WebPDecParams params; + WebPDecBuffer buf; + if (rgba == NULL) { + return NULL; + } + WebPInitDecBuffer(&buf); + WebPResetDecParams(¶ms); + params.output = &buf; + buf.colorspace = colorspace; + buf.u.RGBA.rgba = rgba; + buf.u.RGBA.stride = stride; + buf.u.RGBA.size = size; + buf.is_external_memory = 1; + if (DecodeInto(data, data_size, ¶ms) != VP8_STATUS_OK) { + return NULL; + } + return rgba; +} + +uint8_t* WebPDecodeRGBInto(const uint8_t* data, size_t data_size, + uint8_t* output, size_t size, int stride) { + return DecodeIntoRGBABuffer(MODE_RGB, data, data_size, output, stride, size); +} + +uint8_t* WebPDecodeRGBAInto(const uint8_t* data, size_t data_size, + uint8_t* output, size_t size, int stride) { + return DecodeIntoRGBABuffer(MODE_RGBA, data, data_size, output, stride, size); +} + +uint8_t* WebPDecodeARGBInto(const uint8_t* data, size_t data_size, + uint8_t* output, size_t size, int stride) { + return DecodeIntoRGBABuffer(MODE_ARGB, data, data_size, output, stride, size); +} + +uint8_t* WebPDecodeBGRInto(const uint8_t* data, size_t data_size, + uint8_t* output, size_t size, int stride) { + return DecodeIntoRGBABuffer(MODE_BGR, data, data_size, output, stride, size); +} + +uint8_t* WebPDecodeBGRAInto(const uint8_t* data, size_t data_size, + uint8_t* output, size_t size, int stride) { + return DecodeIntoRGBABuffer(MODE_BGRA, data, data_size, output, stride, size); +} + +uint8_t* WebPDecodeYUVInto(const uint8_t* data, size_t data_size, + uint8_t* luma, size_t luma_size, int luma_stride, + uint8_t* u, size_t u_size, int u_stride, + uint8_t* v, size_t v_size, int v_stride) { + WebPDecParams params; + WebPDecBuffer output; + if (luma == NULL) return NULL; + WebPInitDecBuffer(&output); + WebPResetDecParams(¶ms); + params.output = &output; + output.colorspace = MODE_YUV; + output.u.YUVA.y = luma; + output.u.YUVA.y_stride = luma_stride; + output.u.YUVA.y_size = luma_size; + output.u.YUVA.u = u; + output.u.YUVA.u_stride = u_stride; + output.u.YUVA.u_size = u_size; + output.u.YUVA.v = v; + output.u.YUVA.v_stride = v_stride; + output.u.YUVA.v_size = v_size; + output.is_external_memory = 1; + if (DecodeInto(data, data_size, ¶ms) != VP8_STATUS_OK) { + return NULL; + } + return luma; +} + +//------------------------------------------------------------------------------ + +static uint8_t* Decode(WEBP_CSP_MODE mode, const uint8_t* const data, + size_t data_size, int* const width, int* const height, + WebPDecBuffer* const keep_info) { + WebPDecParams params; + WebPDecBuffer output; + + WebPInitDecBuffer(&output); + WebPResetDecParams(¶ms); + params.output = &output; + output.colorspace = mode; + + // Retrieve (and report back) the required dimensions from bitstream. + if (!WebPGetInfo(data, data_size, &output.width, &output.height)) { + return NULL; + } + if (width != NULL) *width = output.width; + if (height != NULL) *height = output.height; + + // Decode + if (DecodeInto(data, data_size, ¶ms) != VP8_STATUS_OK) { + return NULL; + } + if (keep_info != NULL) { // keep track of the side-info + WebPCopyDecBuffer(&output, keep_info); + } + // return decoded samples (don't clear 'output'!) + return WebPIsRGBMode(mode) ? output.u.RGBA.rgba : output.u.YUVA.y; +} + +uint8_t* WebPDecodeRGB(const uint8_t* data, size_t data_size, + int* width, int* height) { + return Decode(MODE_RGB, data, data_size, width, height, NULL); +} + +uint8_t* WebPDecodeRGBA(const uint8_t* data, size_t data_size, + int* width, int* height) { + return Decode(MODE_RGBA, data, data_size, width, height, NULL); +} + +uint8_t* WebPDecodeARGB(const uint8_t* data, size_t data_size, + int* width, int* height) { + return Decode(MODE_ARGB, data, data_size, width, height, NULL); +} + +uint8_t* WebPDecodeBGR(const uint8_t* data, size_t data_size, + int* width, int* height) { + return Decode(MODE_BGR, data, data_size, width, height, NULL); +} + +uint8_t* WebPDecodeBGRA(const uint8_t* data, size_t data_size, + int* width, int* height) { + return Decode(MODE_BGRA, data, data_size, width, height, NULL); +} + +uint8_t* WebPDecodeYUV(const uint8_t* data, size_t data_size, + int* width, int* height, uint8_t** u, uint8_t** v, + int* stride, int* uv_stride) { + // data, width and height are checked by Decode(). + if (u == NULL || v == NULL || stride == NULL || uv_stride == NULL) { + return NULL; + } + + { + WebPDecBuffer output; // only to preserve the side-infos + uint8_t* const out = Decode(MODE_YUV, data, data_size, + width, height, &output); + + if (out != NULL) { + const WebPYUVABuffer* const buf = &output.u.YUVA; + *u = buf->u; + *v = buf->v; + *stride = buf->y_stride; + *uv_stride = buf->u_stride; + assert(buf->u_stride == buf->v_stride); + } + return out; + } +} + +static void DefaultFeatures(WebPBitstreamFeatures* const features) { + assert(features != NULL); + memset(features, 0, sizeof(*features)); +} + +static VP8StatusCode GetFeatures(const uint8_t* const data, size_t data_size, + WebPBitstreamFeatures* const features) { + if (features == NULL || data == NULL) { + return VP8_STATUS_INVALID_PARAM; + } + DefaultFeatures(features); + + // Only parse enough of the data to retrieve the features. + return ParseHeadersInternal(data, data_size, + &features->width, &features->height, + &features->has_alpha, &features->has_animation, + &features->format, NULL); +} + +//------------------------------------------------------------------------------ +// WebPGetInfo() + +int WebPGetInfo(const uint8_t* data, size_t data_size, + int* width, int* height) { + WebPBitstreamFeatures features; + + if (GetFeatures(data, data_size, &features) != VP8_STATUS_OK) { + return 0; + } + + if (width != NULL) { + *width = features.width; + } + if (height != NULL) { + *height = features.height; + } + + return 1; +} + +//------------------------------------------------------------------------------ +// Advance decoding API + +int WebPInitDecoderConfigInternal(WebPDecoderConfig* config, + int version) { + if (WEBP_ABI_IS_INCOMPATIBLE(version, WEBP_DECODER_ABI_VERSION)) { + return 0; // version mismatch + } + if (config == NULL) { + return 0; + } + memset(config, 0, sizeof(*config)); + DefaultFeatures(&config->input); + WebPInitDecBuffer(&config->output); + return 1; +} + +VP8StatusCode WebPGetFeaturesInternal(const uint8_t* data, size_t data_size, + WebPBitstreamFeatures* features, + int version) { + if (WEBP_ABI_IS_INCOMPATIBLE(version, WEBP_DECODER_ABI_VERSION)) { + return VP8_STATUS_INVALID_PARAM; // version mismatch + } + if (features == NULL) { + return VP8_STATUS_INVALID_PARAM; + } + return GetFeatures(data, data_size, features); +} + +VP8StatusCode WebPDecode(const uint8_t* data, size_t data_size, + WebPDecoderConfig* config) { + WebPDecParams params; + VP8StatusCode status; + + if (config == NULL) { + return VP8_STATUS_INVALID_PARAM; + } + + status = GetFeatures(data, data_size, &config->input); + if (status != VP8_STATUS_OK) { + if (status == VP8_STATUS_NOT_ENOUGH_DATA) { + return VP8_STATUS_BITSTREAM_ERROR; // Not-enough-data treated as error. + } + return status; + } + + WebPResetDecParams(¶ms); + params.options = &config->options; + params.output = &config->output; + if (WebPAvoidSlowMemory(params.output, &config->input)) { + // decoding to slow memory: use a temporary in-mem buffer to decode into. + WebPDecBuffer in_mem_buffer; + WebPInitDecBuffer(&in_mem_buffer); + in_mem_buffer.colorspace = config->output.colorspace; + in_mem_buffer.width = config->input.width; + in_mem_buffer.height = config->input.height; + params.output = &in_mem_buffer; + status = DecodeInto(data, data_size, ¶ms); + if (status == VP8_STATUS_OK) { // do the slow-copy + status = WebPCopyDecBufferPixels(&in_mem_buffer, &config->output); + } + WebPFreeDecBuffer(&in_mem_buffer); + } else { + status = DecodeInto(data, data_size, ¶ms); + } + + return status; +} + +//------------------------------------------------------------------------------ +// Cropping and rescaling. + +int WebPCheckCropDimensions(int image_width, int image_height, + int x, int y, int w, int h) { + return !(x < 0 || y < 0 || w <= 0 || h <= 0 || + x >= image_width || w > image_width || w > image_width - x || + y >= image_height || h > image_height || h > image_height - y); +} + +int WebPIoInitFromOptions(const WebPDecoderOptions* const options, + VP8Io* const io, WEBP_CSP_MODE src_colorspace) { + const int W = io->width; + const int H = io->height; + int x = 0, y = 0, w = W, h = H; + + // Cropping + io->use_cropping = (options != NULL) && options->use_cropping; + if (io->use_cropping) { + w = options->crop_width; + h = options->crop_height; + x = options->crop_left; + y = options->crop_top; + if (!WebPIsRGBMode(src_colorspace)) { // only snap for YUV420 + x &= ~1; + y &= ~1; + } + if (!WebPCheckCropDimensions(W, H, x, y, w, h)) { + return 0; // out of frame boundary error + } + } + io->crop_left = x; + io->crop_top = y; + io->crop_right = x + w; + io->crop_bottom = y + h; + io->mb_w = w; + io->mb_h = h; + + // Scaling + io->use_scaling = (options != NULL) && options->use_scaling; + if (io->use_scaling) { + int scaled_width = options->scaled_width; + int scaled_height = options->scaled_height; + if (!WebPRescalerGetScaledDimensions(w, h, &scaled_width, &scaled_height)) { + return 0; + } + io->scaled_width = scaled_width; + io->scaled_height = scaled_height; + } + + // Filter + io->bypass_filtering = (options != NULL) && options->bypass_filtering; + + // Fancy upsampler +#ifdef FANCY_UPSAMPLING + io->fancy_upsampling = (options == NULL) || (!options->no_fancy_upsampling); +#endif + + if (io->use_scaling) { + // disable filter (only for large downscaling ratio). + io->bypass_filtering |= (io->scaled_width < W * 3 / 4) && + (io->scaled_height < H * 3 / 4); + io->fancy_upsampling = 0; + } + return 1; +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/dec/webpi_dec.h b/ProductApp/Pods/libwebp/src/dec/webpi_dec.h new file mode 100644 index 0000000..3b97388 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dec/webpi_dec.h @@ -0,0 +1,137 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Internal header: WebP decoding parameters and custom IO on buffer +// +// Author: somnath@google.com (Somnath Banerjee) + +#ifndef WEBP_DEC_WEBPI_DEC_H_ +#define WEBP_DEC_WEBPI_DEC_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "src/utils/rescaler_utils.h" +#include "src/dec/vp8_dec.h" + +//------------------------------------------------------------------------------ +// WebPDecParams: Decoding output parameters. Transient internal object. + +typedef struct WebPDecParams WebPDecParams; +typedef int (*OutputFunc)(const VP8Io* const io, WebPDecParams* const p); +typedef int (*OutputAlphaFunc)(const VP8Io* const io, WebPDecParams* const p, + int expected_num_out_lines); +typedef int (*OutputRowFunc)(WebPDecParams* const p, int y_pos, + int max_out_lines); + +struct WebPDecParams { + WebPDecBuffer* output; // output buffer. + uint8_t* tmp_y, *tmp_u, *tmp_v; // cache for the fancy upsampler + // or used for tmp rescaling + + int last_y; // coordinate of the line that was last output + const WebPDecoderOptions* options; // if not NULL, use alt decoding features + + WebPRescaler* scaler_y, *scaler_u, *scaler_v, *scaler_a; // rescalers + void* memory; // overall scratch memory for the output work. + + OutputFunc emit; // output RGB or YUV samples + OutputAlphaFunc emit_alpha; // output alpha channel + OutputRowFunc emit_alpha_row; // output one line of rescaled alpha values +}; + +// Should be called first, before any use of the WebPDecParams object. +void WebPResetDecParams(WebPDecParams* const params); + +//------------------------------------------------------------------------------ +// Header parsing helpers + +// Structure storing a description of the RIFF headers. +typedef struct { + const uint8_t* data; // input buffer + size_t data_size; // input buffer size + int have_all_data; // true if all data is known to be available + size_t offset; // offset to main data chunk (VP8 or VP8L) + const uint8_t* alpha_data; // points to alpha chunk (if present) + size_t alpha_data_size; // alpha chunk size + size_t compressed_size; // VP8/VP8L compressed data size + size_t riff_size; // size of the riff payload (or 0 if absent) + int is_lossless; // true if a VP8L chunk is present +} WebPHeaderStructure; + +// Skips over all valid chunks prior to the first VP8/VP8L frame header. +// Returns: VP8_STATUS_OK, VP8_STATUS_BITSTREAM_ERROR (invalid header/chunk), +// VP8_STATUS_NOT_ENOUGH_DATA (partial input) or VP8_STATUS_UNSUPPORTED_FEATURE +// in the case of non-decodable features (animation for instance). +// In 'headers', compressed_size, offset, alpha_data, alpha_size, and lossless +// fields are updated appropriately upon success. +VP8StatusCode WebPParseHeaders(WebPHeaderStructure* const headers); + +//------------------------------------------------------------------------------ +// Misc utils + +// Returns true if crop dimensions are within image bounds. +int WebPCheckCropDimensions(int image_width, int image_height, + int x, int y, int w, int h); + +// Initializes VP8Io with custom setup, io and teardown functions. The default +// hooks will use the supplied 'params' as io->opaque handle. +void WebPInitCustomIo(WebPDecParams* const params, VP8Io* const io); + +// Setup crop_xxx fields, mb_w and mb_h in io. 'src_colorspace' refers +// to the *compressed* format, not the output one. +int WebPIoInitFromOptions(const WebPDecoderOptions* const options, + VP8Io* const io, WEBP_CSP_MODE src_colorspace); + +//------------------------------------------------------------------------------ +// Internal functions regarding WebPDecBuffer memory (in buffer.c). +// Don't really need to be externally visible for now. + +// Prepare 'buffer' with the requested initial dimensions width/height. +// If no external storage is supplied, initializes buffer by allocating output +// memory and setting up the stride information. Validate the parameters. Return +// an error code in case of problem (no memory, or invalid stride / size / +// dimension / etc.). If *options is not NULL, also verify that the options' +// parameters are valid and apply them to the width/height dimensions of the +// output buffer. This takes cropping / scaling / rotation into account. +// Also incorporates the options->flip flag to flip the buffer parameters if +// needed. +VP8StatusCode WebPAllocateDecBuffer(int width, int height, + const WebPDecoderOptions* const options, + WebPDecBuffer* const buffer); + +// Flip buffer vertically by negating the various strides. +VP8StatusCode WebPFlipBuffer(WebPDecBuffer* const buffer); + +// Copy 'src' into 'dst' buffer, making sure 'dst' is not marked as owner of the +// memory (still held by 'src'). No pixels are copied. +void WebPCopyDecBuffer(const WebPDecBuffer* const src, + WebPDecBuffer* const dst); + +// Copy and transfer ownership from src to dst (beware of parameter order!) +void WebPGrabDecBuffer(WebPDecBuffer* const src, WebPDecBuffer* const dst); + +// Copy pixels from 'src' into a *preallocated* 'dst' buffer. Returns +// VP8_STATUS_INVALID_PARAM if the 'dst' is not set up correctly for the copy. +VP8StatusCode WebPCopyDecBufferPixels(const WebPDecBuffer* const src, + WebPDecBuffer* const dst); + +// Returns true if decoding will be slow with the current configuration +// and bitstream features. +int WebPAvoidSlowMemory(const WebPDecBuffer* const output, + const WebPBitstreamFeatures* const features); + +//------------------------------------------------------------------------------ + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_DEC_WEBPI_DEC_H_ diff --git a/ProductApp/Pods/libwebp/src/demux/Makefile.am b/ProductApp/Pods/libwebp/src/demux/Makefile.am new file mode 100644 index 0000000..2df2db5 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/demux/Makefile.am @@ -0,0 +1,18 @@ +AM_CPPFLAGS += -I$(top_builddir) -I$(top_srcdir) +lib_LTLIBRARIES = libwebpdemux.la + +libwebpdemux_la_SOURCES = +libwebpdemux_la_SOURCES += anim_decode.c demux.c + +libwebpdemuxinclude_HEADERS = +libwebpdemuxinclude_HEADERS += ../webp/decode.h +libwebpdemuxinclude_HEADERS += ../webp/demux.h +libwebpdemuxinclude_HEADERS += ../webp/mux_types.h +libwebpdemuxinclude_HEADERS += ../webp/types.h +noinst_HEADERS = +noinst_HEADERS += ../webp/format_constants.h + +libwebpdemux_la_LIBADD = ../libwebp.la +libwebpdemux_la_LDFLAGS = -no-undefined -version-info 2:14:0 +libwebpdemuxincludedir = $(includedir)/webp +pkgconfig_DATA = libwebpdemux.pc diff --git a/ProductApp/Pods/libwebp/src/demux/anim_decode.c b/ProductApp/Pods/libwebp/src/demux/anim_decode.c new file mode 100644 index 0000000..e077ffb --- /dev/null +++ b/ProductApp/Pods/libwebp/src/demux/anim_decode.c @@ -0,0 +1,473 @@ +// Copyright 2015 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// AnimDecoder implementation. +// + +#ifdef HAVE_CONFIG_H +#include "src/webp/config.h" +#endif + +#include +#include + +#include "src/utils/utils.h" +#include "src/webp/decode.h" +#include "src/webp/demux.h" + +#define NUM_CHANNELS 4 + +// Channel extraction from a uint32_t representation of a uint8_t RGBA/BGRA +// buffer. +#ifdef WORDS_BIGENDIAN +#define CHANNEL_SHIFT(i) (24 - (i) * 8) +#else +#define CHANNEL_SHIFT(i) ((i) * 8) +#endif + +typedef void (*BlendRowFunc)(uint32_t* const, const uint32_t* const, int); +static void BlendPixelRowNonPremult(uint32_t* const src, + const uint32_t* const dst, int num_pixels); +static void BlendPixelRowPremult(uint32_t* const src, const uint32_t* const dst, + int num_pixels); + +struct WebPAnimDecoder { + WebPDemuxer* demux_; // Demuxer created from given WebP bitstream. + WebPDecoderConfig config_; // Decoder config. + // Note: we use a pointer to a function blending multiple pixels at a time to + // allow possible inlining of per-pixel blending function. + BlendRowFunc blend_func_; // Pointer to the chose blend row function. + WebPAnimInfo info_; // Global info about the animation. + uint8_t* curr_frame_; // Current canvas (not disposed). + uint8_t* prev_frame_disposed_; // Previous canvas (properly disposed). + int prev_frame_timestamp_; // Previous frame timestamp (milliseconds). + WebPIterator prev_iter_; // Iterator object for previous frame. + int prev_frame_was_keyframe_; // True if previous frame was a keyframe. + int next_frame_; // Index of the next frame to be decoded + // (starting from 1). +}; + +static void DefaultDecoderOptions(WebPAnimDecoderOptions* const dec_options) { + dec_options->color_mode = MODE_RGBA; + dec_options->use_threads = 0; +} + +int WebPAnimDecoderOptionsInitInternal(WebPAnimDecoderOptions* dec_options, + int abi_version) { + if (dec_options == NULL || + WEBP_ABI_IS_INCOMPATIBLE(abi_version, WEBP_DEMUX_ABI_VERSION)) { + return 0; + } + DefaultDecoderOptions(dec_options); + return 1; +} + +static int ApplyDecoderOptions(const WebPAnimDecoderOptions* const dec_options, + WebPAnimDecoder* const dec) { + WEBP_CSP_MODE mode; + WebPDecoderConfig* config = &dec->config_; + assert(dec_options != NULL); + + mode = dec_options->color_mode; + if (mode != MODE_RGBA && mode != MODE_BGRA && + mode != MODE_rgbA && mode != MODE_bgrA) { + return 0; + } + dec->blend_func_ = (mode == MODE_RGBA || mode == MODE_BGRA) + ? &BlendPixelRowNonPremult + : &BlendPixelRowPremult; + WebPInitDecoderConfig(config); + config->output.colorspace = mode; + config->output.is_external_memory = 1; + config->options.use_threads = dec_options->use_threads; + // Note: config->output.u.RGBA is set at the time of decoding each frame. + return 1; +} + +WebPAnimDecoder* WebPAnimDecoderNewInternal( + const WebPData* webp_data, const WebPAnimDecoderOptions* dec_options, + int abi_version) { + WebPAnimDecoderOptions options; + WebPAnimDecoder* dec = NULL; + WebPBitstreamFeatures features; + if (webp_data == NULL || + WEBP_ABI_IS_INCOMPATIBLE(abi_version, WEBP_DEMUX_ABI_VERSION)) { + return NULL; + } + + // Validate the bitstream before doing expensive allocations. The demuxer may + // be more tolerant than the decoder. + if (WebPGetFeatures(webp_data->bytes, webp_data->size, &features) != + VP8_STATUS_OK) { + return NULL; + } + + // Note: calloc() so that the pointer members are initialized to NULL. + dec = (WebPAnimDecoder*)WebPSafeCalloc(1ULL, sizeof(*dec)); + if (dec == NULL) goto Error; + + if (dec_options != NULL) { + options = *dec_options; + } else { + DefaultDecoderOptions(&options); + } + if (!ApplyDecoderOptions(&options, dec)) goto Error; + + dec->demux_ = WebPDemux(webp_data); + if (dec->demux_ == NULL) goto Error; + + dec->info_.canvas_width = WebPDemuxGetI(dec->demux_, WEBP_FF_CANVAS_WIDTH); + dec->info_.canvas_height = WebPDemuxGetI(dec->demux_, WEBP_FF_CANVAS_HEIGHT); + dec->info_.loop_count = WebPDemuxGetI(dec->demux_, WEBP_FF_LOOP_COUNT); + dec->info_.bgcolor = WebPDemuxGetI(dec->demux_, WEBP_FF_BACKGROUND_COLOR); + dec->info_.frame_count = WebPDemuxGetI(dec->demux_, WEBP_FF_FRAME_COUNT); + + // Note: calloc() because we fill frame with zeroes as well. + dec->curr_frame_ = (uint8_t*)WebPSafeCalloc( + dec->info_.canvas_width * NUM_CHANNELS, dec->info_.canvas_height); + if (dec->curr_frame_ == NULL) goto Error; + dec->prev_frame_disposed_ = (uint8_t*)WebPSafeCalloc( + dec->info_.canvas_width * NUM_CHANNELS, dec->info_.canvas_height); + if (dec->prev_frame_disposed_ == NULL) goto Error; + + WebPAnimDecoderReset(dec); + return dec; + + Error: + WebPAnimDecoderDelete(dec); + return NULL; +} + +int WebPAnimDecoderGetInfo(const WebPAnimDecoder* dec, WebPAnimInfo* info) { + if (dec == NULL || info == NULL) return 0; + *info = dec->info_; + return 1; +} + +// Returns true if the frame covers the full canvas. +static int IsFullFrame(int width, int height, int canvas_width, + int canvas_height) { + return (width == canvas_width && height == canvas_height); +} + +// Clear the canvas to transparent. +static int ZeroFillCanvas(uint8_t* buf, uint32_t canvas_width, + uint32_t canvas_height) { + const uint64_t size = + (uint64_t)canvas_width * canvas_height * NUM_CHANNELS * sizeof(*buf); + if (!CheckSizeOverflow(size)) return 0; + memset(buf, 0, (size_t)size); + return 1; +} + +// Clear given frame rectangle to transparent. +static void ZeroFillFrameRect(uint8_t* buf, int buf_stride, int x_offset, + int y_offset, int width, int height) { + int j; + assert(width * NUM_CHANNELS <= buf_stride); + buf += y_offset * buf_stride + x_offset * NUM_CHANNELS; + for (j = 0; j < height; ++j) { + memset(buf, 0, width * NUM_CHANNELS); + buf += buf_stride; + } +} + +// Copy width * height pixels from 'src' to 'dst'. +static int CopyCanvas(const uint8_t* src, uint8_t* dst, + uint32_t width, uint32_t height) { + const uint64_t size = (uint64_t)width * height * NUM_CHANNELS; + if (!CheckSizeOverflow(size)) return 0; + assert(src != NULL && dst != NULL); + memcpy(dst, src, (size_t)size); + return 1; +} + +// Returns true if the current frame is a key-frame. +static int IsKeyFrame(const WebPIterator* const curr, + const WebPIterator* const prev, + int prev_frame_was_key_frame, + int canvas_width, int canvas_height) { + if (curr->frame_num == 1) { + return 1; + } else if ((!curr->has_alpha || curr->blend_method == WEBP_MUX_NO_BLEND) && + IsFullFrame(curr->width, curr->height, + canvas_width, canvas_height)) { + return 1; + } else { + return (prev->dispose_method == WEBP_MUX_DISPOSE_BACKGROUND) && + (IsFullFrame(prev->width, prev->height, canvas_width, + canvas_height) || + prev_frame_was_key_frame); + } +} + + +// Blend a single channel of 'src' over 'dst', given their alpha channel values. +// 'src' and 'dst' are assumed to be NOT pre-multiplied by alpha. +static uint8_t BlendChannelNonPremult(uint32_t src, uint8_t src_a, + uint32_t dst, uint8_t dst_a, + uint32_t scale, int shift) { + const uint8_t src_channel = (src >> shift) & 0xff; + const uint8_t dst_channel = (dst >> shift) & 0xff; + const uint32_t blend_unscaled = src_channel * src_a + dst_channel * dst_a; + assert(blend_unscaled < (1ULL << 32) / scale); + return (blend_unscaled * scale) >> CHANNEL_SHIFT(3); +} + +// Blend 'src' over 'dst' assuming they are NOT pre-multiplied by alpha. +static uint32_t BlendPixelNonPremult(uint32_t src, uint32_t dst) { + const uint8_t src_a = (src >> CHANNEL_SHIFT(3)) & 0xff; + + if (src_a == 0) { + return dst; + } else { + const uint8_t dst_a = (dst >> CHANNEL_SHIFT(3)) & 0xff; + // This is the approximate integer arithmetic for the actual formula: + // dst_factor_a = (dst_a * (255 - src_a)) / 255. + const uint8_t dst_factor_a = (dst_a * (256 - src_a)) >> 8; + const uint8_t blend_a = src_a + dst_factor_a; + const uint32_t scale = (1UL << 24) / blend_a; + + const uint8_t blend_r = BlendChannelNonPremult( + src, src_a, dst, dst_factor_a, scale, CHANNEL_SHIFT(0)); + const uint8_t blend_g = BlendChannelNonPremult( + src, src_a, dst, dst_factor_a, scale, CHANNEL_SHIFT(1)); + const uint8_t blend_b = BlendChannelNonPremult( + src, src_a, dst, dst_factor_a, scale, CHANNEL_SHIFT(2)); + assert(src_a + dst_factor_a < 256); + + return ((uint32_t)blend_r << CHANNEL_SHIFT(0)) | + ((uint32_t)blend_g << CHANNEL_SHIFT(1)) | + ((uint32_t)blend_b << CHANNEL_SHIFT(2)) | + ((uint32_t)blend_a << CHANNEL_SHIFT(3)); + } +} + +// Blend 'num_pixels' in 'src' over 'dst' assuming they are NOT pre-multiplied +// by alpha. +static void BlendPixelRowNonPremult(uint32_t* const src, + const uint32_t* const dst, int num_pixels) { + int i; + for (i = 0; i < num_pixels; ++i) { + const uint8_t src_alpha = (src[i] >> CHANNEL_SHIFT(3)) & 0xff; + if (src_alpha != 0xff) { + src[i] = BlendPixelNonPremult(src[i], dst[i]); + } + } +} + +// Individually multiply each channel in 'pix' by 'scale'. +static WEBP_INLINE uint32_t ChannelwiseMultiply(uint32_t pix, uint32_t scale) { + uint32_t mask = 0x00FF00FF; + uint32_t rb = ((pix & mask) * scale) >> 8; + uint32_t ag = ((pix >> 8) & mask) * scale; + return (rb & mask) | (ag & ~mask); +} + +// Blend 'src' over 'dst' assuming they are pre-multiplied by alpha. +static uint32_t BlendPixelPremult(uint32_t src, uint32_t dst) { + const uint8_t src_a = (src >> CHANNEL_SHIFT(3)) & 0xff; + return src + ChannelwiseMultiply(dst, 256 - src_a); +} + +// Blend 'num_pixels' in 'src' over 'dst' assuming they are pre-multiplied by +// alpha. +static void BlendPixelRowPremult(uint32_t* const src, const uint32_t* const dst, + int num_pixels) { + int i; + for (i = 0; i < num_pixels; ++i) { + const uint8_t src_alpha = (src[i] >> CHANNEL_SHIFT(3)) & 0xff; + if (src_alpha != 0xff) { + src[i] = BlendPixelPremult(src[i], dst[i]); + } + } +} + +// Returns two ranges ( pairs) at row 'canvas_y', that belong to +// 'src' but not 'dst'. A point range is empty if the corresponding width is 0. +static void FindBlendRangeAtRow(const WebPIterator* const src, + const WebPIterator* const dst, int canvas_y, + int* const left1, int* const width1, + int* const left2, int* const width2) { + const int src_max_x = src->x_offset + src->width; + const int dst_max_x = dst->x_offset + dst->width; + const int dst_max_y = dst->y_offset + dst->height; + assert(canvas_y >= src->y_offset && canvas_y < (src->y_offset + src->height)); + *left1 = -1; + *width1 = 0; + *left2 = -1; + *width2 = 0; + + if (canvas_y < dst->y_offset || canvas_y >= dst_max_y || + src->x_offset >= dst_max_x || src_max_x <= dst->x_offset) { + *left1 = src->x_offset; + *width1 = src->width; + return; + } + + if (src->x_offset < dst->x_offset) { + *left1 = src->x_offset; + *width1 = dst->x_offset - src->x_offset; + } + + if (src_max_x > dst_max_x) { + *left2 = dst_max_x; + *width2 = src_max_x - dst_max_x; + } +} + +int WebPAnimDecoderGetNext(WebPAnimDecoder* dec, + uint8_t** buf_ptr, int* timestamp_ptr) { + WebPIterator iter; + uint32_t width; + uint32_t height; + int is_key_frame; + int timestamp; + BlendRowFunc blend_row; + + if (dec == NULL || buf_ptr == NULL || timestamp_ptr == NULL) return 0; + if (!WebPAnimDecoderHasMoreFrames(dec)) return 0; + + width = dec->info_.canvas_width; + height = dec->info_.canvas_height; + blend_row = dec->blend_func_; + + // Get compressed frame. + if (!WebPDemuxGetFrame(dec->demux_, dec->next_frame_, &iter)) { + return 0; + } + timestamp = dec->prev_frame_timestamp_ + iter.duration; + + // Initialize. + is_key_frame = IsKeyFrame(&iter, &dec->prev_iter_, + dec->prev_frame_was_keyframe_, width, height); + if (is_key_frame) { + if (!ZeroFillCanvas(dec->curr_frame_, width, height)) { + goto Error; + } + } else { + if (!CopyCanvas(dec->prev_frame_disposed_, dec->curr_frame_, + width, height)) { + goto Error; + } + } + + // Decode. + { + const uint8_t* in = iter.fragment.bytes; + const size_t in_size = iter.fragment.size; + const uint32_t stride = width * NUM_CHANNELS; // at most 25 + 2 bits + const uint64_t out_offset = (uint64_t)iter.y_offset * stride + + (uint64_t)iter.x_offset * NUM_CHANNELS; // 53b + const uint64_t size = (uint64_t)iter.height * stride; // at most 25 + 27b + WebPDecoderConfig* const config = &dec->config_; + WebPRGBABuffer* const buf = &config->output.u.RGBA; + if ((size_t)size != size) goto Error; + buf->stride = (int)stride; + buf->size = (size_t)size; + buf->rgba = dec->curr_frame_ + out_offset; + + if (WebPDecode(in, in_size, config) != VP8_STATUS_OK) { + goto Error; + } + } + + // During the decoding of current frame, we may have set some pixels to be + // transparent (i.e. alpha < 255). However, the value of each of these + // pixels should have been determined by blending it against the value of + // that pixel in the previous frame if blending method of is WEBP_MUX_BLEND. + if (iter.frame_num > 1 && iter.blend_method == WEBP_MUX_BLEND && + !is_key_frame) { + if (dec->prev_iter_.dispose_method == WEBP_MUX_DISPOSE_NONE) { + int y; + // Blend transparent pixels with pixels in previous canvas. + for (y = 0; y < iter.height; ++y) { + const size_t offset = + (iter.y_offset + y) * width + iter.x_offset; + blend_row((uint32_t*)dec->curr_frame_ + offset, + (uint32_t*)dec->prev_frame_disposed_ + offset, iter.width); + } + } else { + int y; + assert(dec->prev_iter_.dispose_method == WEBP_MUX_DISPOSE_BACKGROUND); + // We need to blend a transparent pixel with its value just after + // initialization. That is, blend it with: + // * Fully transparent pixel if it belongs to prevRect <-- No-op. + // * The pixel in the previous canvas otherwise <-- Need alpha-blending. + for (y = 0; y < iter.height; ++y) { + const int canvas_y = iter.y_offset + y; + int left1, width1, left2, width2; + FindBlendRangeAtRow(&iter, &dec->prev_iter_, canvas_y, &left1, &width1, + &left2, &width2); + if (width1 > 0) { + const size_t offset1 = canvas_y * width + left1; + blend_row((uint32_t*)dec->curr_frame_ + offset1, + (uint32_t*)dec->prev_frame_disposed_ + offset1, width1); + } + if (width2 > 0) { + const size_t offset2 = canvas_y * width + left2; + blend_row((uint32_t*)dec->curr_frame_ + offset2, + (uint32_t*)dec->prev_frame_disposed_ + offset2, width2); + } + } + } + } + + // Update info of the previous frame and dispose it for the next iteration. + dec->prev_frame_timestamp_ = timestamp; + WebPDemuxReleaseIterator(&dec->prev_iter_); + dec->prev_iter_ = iter; + dec->prev_frame_was_keyframe_ = is_key_frame; + CopyCanvas(dec->curr_frame_, dec->prev_frame_disposed_, width, height); + if (dec->prev_iter_.dispose_method == WEBP_MUX_DISPOSE_BACKGROUND) { + ZeroFillFrameRect(dec->prev_frame_disposed_, width * NUM_CHANNELS, + dec->prev_iter_.x_offset, dec->prev_iter_.y_offset, + dec->prev_iter_.width, dec->prev_iter_.height); + } + ++dec->next_frame_; + + // All OK, fill in the values. + *buf_ptr = dec->curr_frame_; + *timestamp_ptr = timestamp; + return 1; + + Error: + WebPDemuxReleaseIterator(&iter); + return 0; +} + +int WebPAnimDecoderHasMoreFrames(const WebPAnimDecoder* dec) { + if (dec == NULL) return 0; + return (dec->next_frame_ <= (int)dec->info_.frame_count); +} + +void WebPAnimDecoderReset(WebPAnimDecoder* dec) { + if (dec != NULL) { + dec->prev_frame_timestamp_ = 0; + WebPDemuxReleaseIterator(&dec->prev_iter_); + memset(&dec->prev_iter_, 0, sizeof(dec->prev_iter_)); + dec->prev_frame_was_keyframe_ = 0; + dec->next_frame_ = 1; + } +} + +const WebPDemuxer* WebPAnimDecoderGetDemuxer(const WebPAnimDecoder* dec) { + if (dec == NULL) return NULL; + return dec->demux_; +} + +void WebPAnimDecoderDelete(WebPAnimDecoder* dec) { + if (dec != NULL) { + WebPDemuxReleaseIterator(&dec->prev_iter_); + WebPDemuxDelete(dec->demux_); + WebPSafeFree(dec->curr_frame_); + WebPSafeFree(dec->prev_frame_disposed_); + WebPSafeFree(dec); + } +} diff --git a/ProductApp/Pods/libwebp/src/demux/demux.c b/ProductApp/Pods/libwebp/src/demux/demux.c new file mode 100644 index 0000000..4b0d3f5 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/demux/demux.c @@ -0,0 +1,975 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// WebP container demux. +// + +#ifdef HAVE_CONFIG_H +#include "src/webp/config.h" +#endif + +#include +#include +#include + +#include "src/utils/utils.h" +#include "src/webp/decode.h" // WebPGetFeatures +#include "src/webp/demux.h" +#include "src/webp/format_constants.h" + +#define DMUX_MAJ_VERSION 1 +#define DMUX_MIN_VERSION 3 +#define DMUX_REV_VERSION 2 + +typedef struct { + size_t start_; // start location of the data + size_t end_; // end location + size_t riff_end_; // riff chunk end location, can be > end_. + size_t buf_size_; // size of the buffer + const uint8_t* buf_; +} MemBuffer; + +typedef struct { + size_t offset_; + size_t size_; +} ChunkData; + +typedef struct Frame { + int x_offset_, y_offset_; + int width_, height_; + int has_alpha_; + int duration_; + WebPMuxAnimDispose dispose_method_; + WebPMuxAnimBlend blend_method_; + int frame_num_; + int complete_; // img_components_ contains a full image. + ChunkData img_components_[2]; // 0=VP8{,L} 1=ALPH + struct Frame* next_; +} Frame; + +typedef struct Chunk { + ChunkData data_; + struct Chunk* next_; +} Chunk; + +struct WebPDemuxer { + MemBuffer mem_; + WebPDemuxState state_; + int is_ext_format_; + uint32_t feature_flags_; + int canvas_width_, canvas_height_; + int loop_count_; + uint32_t bgcolor_; + int num_frames_; + Frame* frames_; + Frame** frames_tail_; + Chunk* chunks_; // non-image chunks + Chunk** chunks_tail_; +}; + +typedef enum { + PARSE_OK, + PARSE_NEED_MORE_DATA, + PARSE_ERROR +} ParseStatus; + +typedef struct ChunkParser { + uint8_t id[4]; + ParseStatus (*parse)(WebPDemuxer* const dmux); + int (*valid)(const WebPDemuxer* const dmux); +} ChunkParser; + +static ParseStatus ParseSingleImage(WebPDemuxer* const dmux); +static ParseStatus ParseVP8X(WebPDemuxer* const dmux); +static int IsValidSimpleFormat(const WebPDemuxer* const dmux); +static int IsValidExtendedFormat(const WebPDemuxer* const dmux); + +static const ChunkParser kMasterChunks[] = { + { { 'V', 'P', '8', ' ' }, ParseSingleImage, IsValidSimpleFormat }, + { { 'V', 'P', '8', 'L' }, ParseSingleImage, IsValidSimpleFormat }, + { { 'V', 'P', '8', 'X' }, ParseVP8X, IsValidExtendedFormat }, + { { '0', '0', '0', '0' }, NULL, NULL }, +}; + +//------------------------------------------------------------------------------ + +int WebPGetDemuxVersion(void) { + return (DMUX_MAJ_VERSION << 16) | (DMUX_MIN_VERSION << 8) | DMUX_REV_VERSION; +} + +// ----------------------------------------------------------------------------- +// MemBuffer + +static int RemapMemBuffer(MemBuffer* const mem, + const uint8_t* data, size_t size) { + if (size < mem->buf_size_) return 0; // can't remap to a shorter buffer! + + mem->buf_ = data; + mem->end_ = mem->buf_size_ = size; + return 1; +} + +static int InitMemBuffer(MemBuffer* const mem, + const uint8_t* data, size_t size) { + memset(mem, 0, sizeof(*mem)); + return RemapMemBuffer(mem, data, size); +} + +// Return the remaining data size available in 'mem'. +static WEBP_INLINE size_t MemDataSize(const MemBuffer* const mem) { + return (mem->end_ - mem->start_); +} + +// Return true if 'size' exceeds the end of the RIFF chunk. +static WEBP_INLINE int SizeIsInvalid(const MemBuffer* const mem, size_t size) { + return (size > mem->riff_end_ - mem->start_); +} + +static WEBP_INLINE void Skip(MemBuffer* const mem, size_t size) { + mem->start_ += size; +} + +static WEBP_INLINE void Rewind(MemBuffer* const mem, size_t size) { + mem->start_ -= size; +} + +static WEBP_INLINE const uint8_t* GetBuffer(MemBuffer* const mem) { + return mem->buf_ + mem->start_; +} + +// Read from 'mem' and skip the read bytes. +static WEBP_INLINE uint8_t ReadByte(MemBuffer* const mem) { + const uint8_t byte = mem->buf_[mem->start_]; + Skip(mem, 1); + return byte; +} + +static WEBP_INLINE int ReadLE16s(MemBuffer* const mem) { + const uint8_t* const data = mem->buf_ + mem->start_; + const int val = GetLE16(data); + Skip(mem, 2); + return val; +} + +static WEBP_INLINE int ReadLE24s(MemBuffer* const mem) { + const uint8_t* const data = mem->buf_ + mem->start_; + const int val = GetLE24(data); + Skip(mem, 3); + return val; +} + +static WEBP_INLINE uint32_t ReadLE32(MemBuffer* const mem) { + const uint8_t* const data = mem->buf_ + mem->start_; + const uint32_t val = GetLE32(data); + Skip(mem, 4); + return val; +} + +// ----------------------------------------------------------------------------- +// Secondary chunk parsing + +static void AddChunk(WebPDemuxer* const dmux, Chunk* const chunk) { + *dmux->chunks_tail_ = chunk; + chunk->next_ = NULL; + dmux->chunks_tail_ = &chunk->next_; +} + +// Add a frame to the end of the list, ensuring the last frame is complete. +// Returns true on success, false otherwise. +static int AddFrame(WebPDemuxer* const dmux, Frame* const frame) { + const Frame* const last_frame = *dmux->frames_tail_; + if (last_frame != NULL && !last_frame->complete_) return 0; + + *dmux->frames_tail_ = frame; + frame->next_ = NULL; + dmux->frames_tail_ = &frame->next_; + return 1; +} + +static void SetFrameInfo(size_t start_offset, size_t size, + int frame_num, int complete, + const WebPBitstreamFeatures* const features, + Frame* const frame) { + frame->img_components_[0].offset_ = start_offset; + frame->img_components_[0].size_ = size; + frame->width_ = features->width; + frame->height_ = features->height; + frame->has_alpha_ |= features->has_alpha; + frame->frame_num_ = frame_num; + frame->complete_ = complete; +} + +// Store image bearing chunks to 'frame'. 'min_size' is an optional size +// requirement, it may be zero. +static ParseStatus StoreFrame(int frame_num, uint32_t min_size, + MemBuffer* const mem, Frame* const frame) { + int alpha_chunks = 0; + int image_chunks = 0; + int done = (MemDataSize(mem) < CHUNK_HEADER_SIZE || + MemDataSize(mem) < min_size); + ParseStatus status = PARSE_OK; + + if (done) return PARSE_NEED_MORE_DATA; + + do { + const size_t chunk_start_offset = mem->start_; + const uint32_t fourcc = ReadLE32(mem); + const uint32_t payload_size = ReadLE32(mem); + uint32_t payload_size_padded; + size_t payload_available; + size_t chunk_size; + + if (payload_size > MAX_CHUNK_PAYLOAD) return PARSE_ERROR; + + payload_size_padded = payload_size + (payload_size & 1); + payload_available = (payload_size_padded > MemDataSize(mem)) + ? MemDataSize(mem) : payload_size_padded; + chunk_size = CHUNK_HEADER_SIZE + payload_available; + if (SizeIsInvalid(mem, payload_size_padded)) return PARSE_ERROR; + if (payload_size_padded > MemDataSize(mem)) status = PARSE_NEED_MORE_DATA; + + switch (fourcc) { + case MKFOURCC('A', 'L', 'P', 'H'): + if (alpha_chunks == 0) { + ++alpha_chunks; + frame->img_components_[1].offset_ = chunk_start_offset; + frame->img_components_[1].size_ = chunk_size; + frame->has_alpha_ = 1; + frame->frame_num_ = frame_num; + Skip(mem, payload_available); + } else { + goto Done; + } + break; + case MKFOURCC('V', 'P', '8', 'L'): + if (alpha_chunks > 0) return PARSE_ERROR; // VP8L has its own alpha + // fall through + case MKFOURCC('V', 'P', '8', ' '): + if (image_chunks == 0) { + // Extract the bitstream features, tolerating failures when the data + // is incomplete. + WebPBitstreamFeatures features; + const VP8StatusCode vp8_status = + WebPGetFeatures(mem->buf_ + chunk_start_offset, chunk_size, + &features); + if (status == PARSE_NEED_MORE_DATA && + vp8_status == VP8_STATUS_NOT_ENOUGH_DATA) { + return PARSE_NEED_MORE_DATA; + } else if (vp8_status != VP8_STATUS_OK) { + // We have enough data, and yet WebPGetFeatures() failed. + return PARSE_ERROR; + } + ++image_chunks; + SetFrameInfo(chunk_start_offset, chunk_size, frame_num, + status == PARSE_OK, &features, frame); + Skip(mem, payload_available); + } else { + goto Done; + } + break; + Done: + default: + // Restore fourcc/size when moving up one level in parsing. + Rewind(mem, CHUNK_HEADER_SIZE); + done = 1; + break; + } + + if (mem->start_ == mem->riff_end_) { + done = 1; + } else if (MemDataSize(mem) < CHUNK_HEADER_SIZE) { + status = PARSE_NEED_MORE_DATA; + } + } while (!done && status == PARSE_OK); + + return status; +} + +// Creates a new Frame if 'actual_size' is within bounds and 'mem' contains +// enough data ('min_size') to parse the payload. +// Returns PARSE_OK on success with *frame pointing to the new Frame. +// Returns PARSE_NEED_MORE_DATA with insufficient data, PARSE_ERROR otherwise. +static ParseStatus NewFrame(const MemBuffer* const mem, + uint32_t min_size, uint32_t actual_size, + Frame** frame) { + if (SizeIsInvalid(mem, min_size)) return PARSE_ERROR; + if (actual_size < min_size) return PARSE_ERROR; + if (MemDataSize(mem) < min_size) return PARSE_NEED_MORE_DATA; + + *frame = (Frame*)WebPSafeCalloc(1ULL, sizeof(**frame)); + return (*frame == NULL) ? PARSE_ERROR : PARSE_OK; +} + +// Parse a 'ANMF' chunk and any image bearing chunks that immediately follow. +// 'frame_chunk_size' is the previously validated, padded chunk size. +static ParseStatus ParseAnimationFrame( + WebPDemuxer* const dmux, uint32_t frame_chunk_size) { + const int is_animation = !!(dmux->feature_flags_ & ANIMATION_FLAG); + const uint32_t anmf_payload_size = frame_chunk_size - ANMF_CHUNK_SIZE; + int added_frame = 0; + int bits; + MemBuffer* const mem = &dmux->mem_; + Frame* frame; + size_t start_offset; + ParseStatus status = + NewFrame(mem, ANMF_CHUNK_SIZE, frame_chunk_size, &frame); + if (status != PARSE_OK) return status; + + frame->x_offset_ = 2 * ReadLE24s(mem); + frame->y_offset_ = 2 * ReadLE24s(mem); + frame->width_ = 1 + ReadLE24s(mem); + frame->height_ = 1 + ReadLE24s(mem); + frame->duration_ = ReadLE24s(mem); + bits = ReadByte(mem); + frame->dispose_method_ = + (bits & 1) ? WEBP_MUX_DISPOSE_BACKGROUND : WEBP_MUX_DISPOSE_NONE; + frame->blend_method_ = (bits & 2) ? WEBP_MUX_NO_BLEND : WEBP_MUX_BLEND; + if (frame->width_ * (uint64_t)frame->height_ >= MAX_IMAGE_AREA) { + WebPSafeFree(frame); + return PARSE_ERROR; + } + + // Store a frame only if the animation flag is set there is some data for + // this frame is available. + start_offset = mem->start_; + status = StoreFrame(dmux->num_frames_ + 1, anmf_payload_size, mem, frame); + if (status != PARSE_ERROR && mem->start_ - start_offset > anmf_payload_size) { + status = PARSE_ERROR; + } + if (status != PARSE_ERROR && is_animation && frame->frame_num_ > 0) { + added_frame = AddFrame(dmux, frame); + if (added_frame) { + ++dmux->num_frames_; + } else { + status = PARSE_ERROR; + } + } + + if (!added_frame) WebPSafeFree(frame); + return status; +} + +// General chunk storage, starting with the header at 'start_offset', allowing +// the user to request the payload via a fourcc string. 'size' includes the +// header and the unpadded payload size. +// Returns true on success, false otherwise. +static int StoreChunk(WebPDemuxer* const dmux, + size_t start_offset, uint32_t size) { + Chunk* const chunk = (Chunk*)WebPSafeCalloc(1ULL, sizeof(*chunk)); + if (chunk == NULL) return 0; + + chunk->data_.offset_ = start_offset; + chunk->data_.size_ = size; + AddChunk(dmux, chunk); + return 1; +} + +// ----------------------------------------------------------------------------- +// Primary chunk parsing + +static ParseStatus ReadHeader(MemBuffer* const mem) { + const size_t min_size = RIFF_HEADER_SIZE + CHUNK_HEADER_SIZE; + uint32_t riff_size; + + // Basic file level validation. + if (MemDataSize(mem) < min_size) return PARSE_NEED_MORE_DATA; + if (memcmp(GetBuffer(mem), "RIFF", CHUNK_SIZE_BYTES) || + memcmp(GetBuffer(mem) + CHUNK_HEADER_SIZE, "WEBP", CHUNK_SIZE_BYTES)) { + return PARSE_ERROR; + } + + riff_size = GetLE32(GetBuffer(mem) + TAG_SIZE); + if (riff_size < CHUNK_HEADER_SIZE) return PARSE_ERROR; + if (riff_size > MAX_CHUNK_PAYLOAD) return PARSE_ERROR; + + // There's no point in reading past the end of the RIFF chunk + mem->riff_end_ = riff_size + CHUNK_HEADER_SIZE; + if (mem->buf_size_ > mem->riff_end_) { + mem->buf_size_ = mem->end_ = mem->riff_end_; + } + + Skip(mem, RIFF_HEADER_SIZE); + return PARSE_OK; +} + +static ParseStatus ParseSingleImage(WebPDemuxer* const dmux) { + const size_t min_size = CHUNK_HEADER_SIZE; + MemBuffer* const mem = &dmux->mem_; + Frame* frame; + ParseStatus status; + int image_added = 0; + + if (dmux->frames_ != NULL) return PARSE_ERROR; + if (SizeIsInvalid(mem, min_size)) return PARSE_ERROR; + if (MemDataSize(mem) < min_size) return PARSE_NEED_MORE_DATA; + + frame = (Frame*)WebPSafeCalloc(1ULL, sizeof(*frame)); + if (frame == NULL) return PARSE_ERROR; + + // For the single image case we allow parsing of a partial frame, so no + // minimum size is imposed here. + status = StoreFrame(1, 0, &dmux->mem_, frame); + if (status != PARSE_ERROR) { + const int has_alpha = !!(dmux->feature_flags_ & ALPHA_FLAG); + // Clear any alpha when the alpha flag is missing. + if (!has_alpha && frame->img_components_[1].size_ > 0) { + frame->img_components_[1].offset_ = 0; + frame->img_components_[1].size_ = 0; + frame->has_alpha_ = 0; + } + + // Use the frame width/height as the canvas values for non-vp8x files. + // Also, set ALPHA_FLAG if this is a lossless image with alpha. + if (!dmux->is_ext_format_ && frame->width_ > 0 && frame->height_ > 0) { + dmux->state_ = WEBP_DEMUX_PARSED_HEADER; + dmux->canvas_width_ = frame->width_; + dmux->canvas_height_ = frame->height_; + dmux->feature_flags_ |= frame->has_alpha_ ? ALPHA_FLAG : 0; + } + if (!AddFrame(dmux, frame)) { + status = PARSE_ERROR; // last frame was left incomplete + } else { + image_added = 1; + dmux->num_frames_ = 1; + } + } + + if (!image_added) WebPSafeFree(frame); + return status; +} + +static ParseStatus ParseVP8XChunks(WebPDemuxer* const dmux) { + const int is_animation = !!(dmux->feature_flags_ & ANIMATION_FLAG); + MemBuffer* const mem = &dmux->mem_; + int anim_chunks = 0; + ParseStatus status = PARSE_OK; + + do { + int store_chunk = 1; + const size_t chunk_start_offset = mem->start_; + const uint32_t fourcc = ReadLE32(mem); + const uint32_t chunk_size = ReadLE32(mem); + uint32_t chunk_size_padded; + + if (chunk_size > MAX_CHUNK_PAYLOAD) return PARSE_ERROR; + + chunk_size_padded = chunk_size + (chunk_size & 1); + if (SizeIsInvalid(mem, chunk_size_padded)) return PARSE_ERROR; + + switch (fourcc) { + case MKFOURCC('V', 'P', '8', 'X'): { + return PARSE_ERROR; + } + case MKFOURCC('A', 'L', 'P', 'H'): + case MKFOURCC('V', 'P', '8', ' '): + case MKFOURCC('V', 'P', '8', 'L'): { + // check that this isn't an animation (all frames should be in an ANMF). + if (anim_chunks > 0 || is_animation) return PARSE_ERROR; + + Rewind(mem, CHUNK_HEADER_SIZE); + status = ParseSingleImage(dmux); + break; + } + case MKFOURCC('A', 'N', 'I', 'M'): { + if (chunk_size_padded < ANIM_CHUNK_SIZE) return PARSE_ERROR; + + if (MemDataSize(mem) < chunk_size_padded) { + status = PARSE_NEED_MORE_DATA; + } else if (anim_chunks == 0) { + ++anim_chunks; + dmux->bgcolor_ = ReadLE32(mem); + dmux->loop_count_ = ReadLE16s(mem); + Skip(mem, chunk_size_padded - ANIM_CHUNK_SIZE); + } else { + store_chunk = 0; + goto Skip; + } + break; + } + case MKFOURCC('A', 'N', 'M', 'F'): { + if (anim_chunks == 0) return PARSE_ERROR; // 'ANIM' precedes frames. + status = ParseAnimationFrame(dmux, chunk_size_padded); + break; + } + case MKFOURCC('I', 'C', 'C', 'P'): { + store_chunk = !!(dmux->feature_flags_ & ICCP_FLAG); + goto Skip; + } + case MKFOURCC('E', 'X', 'I', 'F'): { + store_chunk = !!(dmux->feature_flags_ & EXIF_FLAG); + goto Skip; + } + case MKFOURCC('X', 'M', 'P', ' '): { + store_chunk = !!(dmux->feature_flags_ & XMP_FLAG); + goto Skip; + } + Skip: + default: { + if (chunk_size_padded <= MemDataSize(mem)) { + if (store_chunk) { + // Store only the chunk header and unpadded size as only the payload + // will be returned to the user. + if (!StoreChunk(dmux, chunk_start_offset, + CHUNK_HEADER_SIZE + chunk_size)) { + return PARSE_ERROR; + } + } + Skip(mem, chunk_size_padded); + } else { + status = PARSE_NEED_MORE_DATA; + } + } + } + + if (mem->start_ == mem->riff_end_) { + break; + } else if (MemDataSize(mem) < CHUNK_HEADER_SIZE) { + status = PARSE_NEED_MORE_DATA; + } + } while (status == PARSE_OK); + + return status; +} + +static ParseStatus ParseVP8X(WebPDemuxer* const dmux) { + MemBuffer* const mem = &dmux->mem_; + uint32_t vp8x_size; + + if (MemDataSize(mem) < CHUNK_HEADER_SIZE) return PARSE_NEED_MORE_DATA; + + dmux->is_ext_format_ = 1; + Skip(mem, TAG_SIZE); // VP8X + vp8x_size = ReadLE32(mem); + if (vp8x_size > MAX_CHUNK_PAYLOAD) return PARSE_ERROR; + if (vp8x_size < VP8X_CHUNK_SIZE) return PARSE_ERROR; + vp8x_size += vp8x_size & 1; + if (SizeIsInvalid(mem, vp8x_size)) return PARSE_ERROR; + if (MemDataSize(mem) < vp8x_size) return PARSE_NEED_MORE_DATA; + + dmux->feature_flags_ = ReadByte(mem); + Skip(mem, 3); // Reserved. + dmux->canvas_width_ = 1 + ReadLE24s(mem); + dmux->canvas_height_ = 1 + ReadLE24s(mem); + if (dmux->canvas_width_ * (uint64_t)dmux->canvas_height_ >= MAX_IMAGE_AREA) { + return PARSE_ERROR; // image final dimension is too large + } + Skip(mem, vp8x_size - VP8X_CHUNK_SIZE); // skip any trailing data. + dmux->state_ = WEBP_DEMUX_PARSED_HEADER; + + if (SizeIsInvalid(mem, CHUNK_HEADER_SIZE)) return PARSE_ERROR; + if (MemDataSize(mem) < CHUNK_HEADER_SIZE) return PARSE_NEED_MORE_DATA; + + return ParseVP8XChunks(dmux); +} + +// ----------------------------------------------------------------------------- +// Format validation + +static int IsValidSimpleFormat(const WebPDemuxer* const dmux) { + const Frame* const frame = dmux->frames_; + if (dmux->state_ == WEBP_DEMUX_PARSING_HEADER) return 1; + + if (dmux->canvas_width_ <= 0 || dmux->canvas_height_ <= 0) return 0; + if (dmux->state_ == WEBP_DEMUX_DONE && frame == NULL) return 0; + + if (frame->width_ <= 0 || frame->height_ <= 0) return 0; + return 1; +} + +// If 'exact' is true, check that the image resolution matches the canvas. +// If 'exact' is false, check that the x/y offsets do not exceed the canvas. +static int CheckFrameBounds(const Frame* const frame, int exact, + int canvas_width, int canvas_height) { + if (exact) { + if (frame->x_offset_ != 0 || frame->y_offset_ != 0) { + return 0; + } + if (frame->width_ != canvas_width || frame->height_ != canvas_height) { + return 0; + } + } else { + if (frame->x_offset_ < 0 || frame->y_offset_ < 0) return 0; + if (frame->width_ + frame->x_offset_ > canvas_width) return 0; + if (frame->height_ + frame->y_offset_ > canvas_height) return 0; + } + return 1; +} + +static int IsValidExtendedFormat(const WebPDemuxer* const dmux) { + const int is_animation = !!(dmux->feature_flags_ & ANIMATION_FLAG); + const Frame* f = dmux->frames_; + + if (dmux->state_ == WEBP_DEMUX_PARSING_HEADER) return 1; + + if (dmux->canvas_width_ <= 0 || dmux->canvas_height_ <= 0) return 0; + if (dmux->loop_count_ < 0) return 0; + if (dmux->state_ == WEBP_DEMUX_DONE && dmux->frames_ == NULL) return 0; + if (dmux->feature_flags_ & ~ALL_VALID_FLAGS) return 0; // invalid bitstream + + while (f != NULL) { + const int cur_frame_set = f->frame_num_; + + // Check frame properties. + for (; f != NULL && f->frame_num_ == cur_frame_set; f = f->next_) { + const ChunkData* const image = f->img_components_; + const ChunkData* const alpha = f->img_components_ + 1; + + if (!is_animation && f->frame_num_ > 1) return 0; + + if (f->complete_) { + if (alpha->size_ == 0 && image->size_ == 0) return 0; + // Ensure alpha precedes image bitstream. + if (alpha->size_ > 0 && alpha->offset_ > image->offset_) { + return 0; + } + + if (f->width_ <= 0 || f->height_ <= 0) return 0; + } else { + // There shouldn't be a partial frame in a complete file. + if (dmux->state_ == WEBP_DEMUX_DONE) return 0; + + // Ensure alpha precedes image bitstream. + if (alpha->size_ > 0 && image->size_ > 0 && + alpha->offset_ > image->offset_) { + return 0; + } + // There shouldn't be any frames after an incomplete one. + if (f->next_ != NULL) return 0; + } + + if (f->width_ > 0 && f->height_ > 0 && + !CheckFrameBounds(f, !is_animation, + dmux->canvas_width_, dmux->canvas_height_)) { + return 0; + } + } + } + return 1; +} + +// ----------------------------------------------------------------------------- +// WebPDemuxer object + +static void InitDemux(WebPDemuxer* const dmux, const MemBuffer* const mem) { + dmux->state_ = WEBP_DEMUX_PARSING_HEADER; + dmux->loop_count_ = 1; + dmux->bgcolor_ = 0xFFFFFFFF; // White background by default. + dmux->canvas_width_ = -1; + dmux->canvas_height_ = -1; + dmux->frames_tail_ = &dmux->frames_; + dmux->chunks_tail_ = &dmux->chunks_; + dmux->mem_ = *mem; +} + +static ParseStatus CreateRawImageDemuxer(MemBuffer* const mem, + WebPDemuxer** demuxer) { + WebPBitstreamFeatures features; + const VP8StatusCode status = + WebPGetFeatures(mem->buf_, mem->buf_size_, &features); + *demuxer = NULL; + if (status != VP8_STATUS_OK) { + return (status == VP8_STATUS_NOT_ENOUGH_DATA) ? PARSE_NEED_MORE_DATA + : PARSE_ERROR; + } + + { + WebPDemuxer* const dmux = (WebPDemuxer*)WebPSafeCalloc(1ULL, sizeof(*dmux)); + Frame* const frame = (Frame*)WebPSafeCalloc(1ULL, sizeof(*frame)); + if (dmux == NULL || frame == NULL) goto Error; + InitDemux(dmux, mem); + SetFrameInfo(0, mem->buf_size_, 1 /*frame_num*/, 1 /*complete*/, &features, + frame); + if (!AddFrame(dmux, frame)) goto Error; + dmux->state_ = WEBP_DEMUX_DONE; + dmux->canvas_width_ = frame->width_; + dmux->canvas_height_ = frame->height_; + dmux->feature_flags_ |= frame->has_alpha_ ? ALPHA_FLAG : 0; + dmux->num_frames_ = 1; + assert(IsValidSimpleFormat(dmux)); + *demuxer = dmux; + return PARSE_OK; + + Error: + WebPSafeFree(dmux); + WebPSafeFree(frame); + return PARSE_ERROR; + } +} + +WebPDemuxer* WebPDemuxInternal(const WebPData* data, int allow_partial, + WebPDemuxState* state, int version) { + const ChunkParser* parser; + int partial; + ParseStatus status = PARSE_ERROR; + MemBuffer mem; + WebPDemuxer* dmux; + + if (state != NULL) *state = WEBP_DEMUX_PARSE_ERROR; + + if (WEBP_ABI_IS_INCOMPATIBLE(version, WEBP_DEMUX_ABI_VERSION)) return NULL; + if (data == NULL || data->bytes == NULL || data->size == 0) return NULL; + + if (!InitMemBuffer(&mem, data->bytes, data->size)) return NULL; + status = ReadHeader(&mem); + if (status != PARSE_OK) { + // If parsing of the webp file header fails attempt to handle a raw + // VP8/VP8L frame. Note 'allow_partial' is ignored in this case. + if (status == PARSE_ERROR) { + status = CreateRawImageDemuxer(&mem, &dmux); + if (status == PARSE_OK) { + if (state != NULL) *state = WEBP_DEMUX_DONE; + return dmux; + } + } + if (state != NULL) { + *state = (status == PARSE_NEED_MORE_DATA) ? WEBP_DEMUX_PARSING_HEADER + : WEBP_DEMUX_PARSE_ERROR; + } + return NULL; + } + + partial = (mem.buf_size_ < mem.riff_end_); + if (!allow_partial && partial) return NULL; + + dmux = (WebPDemuxer*)WebPSafeCalloc(1ULL, sizeof(*dmux)); + if (dmux == NULL) return NULL; + InitDemux(dmux, &mem); + + status = PARSE_ERROR; + for (parser = kMasterChunks; parser->parse != NULL; ++parser) { + if (!memcmp(parser->id, GetBuffer(&dmux->mem_), TAG_SIZE)) { + status = parser->parse(dmux); + if (status == PARSE_OK) dmux->state_ = WEBP_DEMUX_DONE; + if (status == PARSE_NEED_MORE_DATA && !partial) status = PARSE_ERROR; + if (status != PARSE_ERROR && !parser->valid(dmux)) status = PARSE_ERROR; + if (status == PARSE_ERROR) dmux->state_ = WEBP_DEMUX_PARSE_ERROR; + break; + } + } + if (state != NULL) *state = dmux->state_; + + if (status == PARSE_ERROR) { + WebPDemuxDelete(dmux); + return NULL; + } + return dmux; +} + +void WebPDemuxDelete(WebPDemuxer* dmux) { + Chunk* c; + Frame* f; + if (dmux == NULL) return; + + for (f = dmux->frames_; f != NULL;) { + Frame* const cur_frame = f; + f = f->next_; + WebPSafeFree(cur_frame); + } + for (c = dmux->chunks_; c != NULL;) { + Chunk* const cur_chunk = c; + c = c->next_; + WebPSafeFree(cur_chunk); + } + WebPSafeFree(dmux); +} + +// ----------------------------------------------------------------------------- + +uint32_t WebPDemuxGetI(const WebPDemuxer* dmux, WebPFormatFeature feature) { + if (dmux == NULL) return 0; + + switch (feature) { + case WEBP_FF_FORMAT_FLAGS: return dmux->feature_flags_; + case WEBP_FF_CANVAS_WIDTH: return (uint32_t)dmux->canvas_width_; + case WEBP_FF_CANVAS_HEIGHT: return (uint32_t)dmux->canvas_height_; + case WEBP_FF_LOOP_COUNT: return (uint32_t)dmux->loop_count_; + case WEBP_FF_BACKGROUND_COLOR: return dmux->bgcolor_; + case WEBP_FF_FRAME_COUNT: return (uint32_t)dmux->num_frames_; + } + return 0; +} + +// ----------------------------------------------------------------------------- +// Frame iteration + +static const Frame* GetFrame(const WebPDemuxer* const dmux, int frame_num) { + const Frame* f; + for (f = dmux->frames_; f != NULL; f = f->next_) { + if (frame_num == f->frame_num_) break; + } + return f; +} + +static const uint8_t* GetFramePayload(const uint8_t* const mem_buf, + const Frame* const frame, + size_t* const data_size) { + *data_size = 0; + if (frame != NULL) { + const ChunkData* const image = frame->img_components_; + const ChunkData* const alpha = frame->img_components_ + 1; + size_t start_offset = image->offset_; + *data_size = image->size_; + + // if alpha exists it precedes image, update the size allowing for + // intervening chunks. + if (alpha->size_ > 0) { + const size_t inter_size = (image->offset_ > 0) + ? image->offset_ - (alpha->offset_ + alpha->size_) + : 0; + start_offset = alpha->offset_; + *data_size += alpha->size_ + inter_size; + } + return mem_buf + start_offset; + } + return NULL; +} + +// Create a whole 'frame' from VP8 (+ alpha) or lossless. +static int SynthesizeFrame(const WebPDemuxer* const dmux, + const Frame* const frame, + WebPIterator* const iter) { + const uint8_t* const mem_buf = dmux->mem_.buf_; + size_t payload_size = 0; + const uint8_t* const payload = GetFramePayload(mem_buf, frame, &payload_size); + if (payload == NULL) return 0; + assert(frame != NULL); + + iter->frame_num = frame->frame_num_; + iter->num_frames = dmux->num_frames_; + iter->x_offset = frame->x_offset_; + iter->y_offset = frame->y_offset_; + iter->width = frame->width_; + iter->height = frame->height_; + iter->has_alpha = frame->has_alpha_; + iter->duration = frame->duration_; + iter->dispose_method = frame->dispose_method_; + iter->blend_method = frame->blend_method_; + iter->complete = frame->complete_; + iter->fragment.bytes = payload; + iter->fragment.size = payload_size; + return 1; +} + +static int SetFrame(int frame_num, WebPIterator* const iter) { + const Frame* frame; + const WebPDemuxer* const dmux = (WebPDemuxer*)iter->private_; + if (dmux == NULL || frame_num < 0) return 0; + if (frame_num > dmux->num_frames_) return 0; + if (frame_num == 0) frame_num = dmux->num_frames_; + + frame = GetFrame(dmux, frame_num); + if (frame == NULL) return 0; + + return SynthesizeFrame(dmux, frame, iter); +} + +int WebPDemuxGetFrame(const WebPDemuxer* dmux, int frame, WebPIterator* iter) { + if (iter == NULL) return 0; + + memset(iter, 0, sizeof(*iter)); + iter->private_ = (void*)dmux; + return SetFrame(frame, iter); +} + +int WebPDemuxNextFrame(WebPIterator* iter) { + if (iter == NULL) return 0; + return SetFrame(iter->frame_num + 1, iter); +} + +int WebPDemuxPrevFrame(WebPIterator* iter) { + if (iter == NULL) return 0; + if (iter->frame_num <= 1) return 0; + return SetFrame(iter->frame_num - 1, iter); +} + +void WebPDemuxReleaseIterator(WebPIterator* iter) { + (void)iter; +} + +// ----------------------------------------------------------------------------- +// Chunk iteration + +static int ChunkCount(const WebPDemuxer* const dmux, const char fourcc[4]) { + const uint8_t* const mem_buf = dmux->mem_.buf_; + const Chunk* c; + int count = 0; + for (c = dmux->chunks_; c != NULL; c = c->next_) { + const uint8_t* const header = mem_buf + c->data_.offset_; + if (!memcmp(header, fourcc, TAG_SIZE)) ++count; + } + return count; +} + +static const Chunk* GetChunk(const WebPDemuxer* const dmux, + const char fourcc[4], int chunk_num) { + const uint8_t* const mem_buf = dmux->mem_.buf_; + const Chunk* c; + int count = 0; + for (c = dmux->chunks_; c != NULL; c = c->next_) { + const uint8_t* const header = mem_buf + c->data_.offset_; + if (!memcmp(header, fourcc, TAG_SIZE)) ++count; + if (count == chunk_num) break; + } + return c; +} + +static int SetChunk(const char fourcc[4], int chunk_num, + WebPChunkIterator* const iter) { + const WebPDemuxer* const dmux = (WebPDemuxer*)iter->private_; + int count; + + if (dmux == NULL || fourcc == NULL || chunk_num < 0) return 0; + count = ChunkCount(dmux, fourcc); + if (count == 0) return 0; + if (chunk_num == 0) chunk_num = count; + + if (chunk_num <= count) { + const uint8_t* const mem_buf = dmux->mem_.buf_; + const Chunk* const chunk = GetChunk(dmux, fourcc, chunk_num); + iter->chunk.bytes = mem_buf + chunk->data_.offset_ + CHUNK_HEADER_SIZE; + iter->chunk.size = chunk->data_.size_ - CHUNK_HEADER_SIZE; + iter->num_chunks = count; + iter->chunk_num = chunk_num; + return 1; + } + return 0; +} + +int WebPDemuxGetChunk(const WebPDemuxer* dmux, + const char fourcc[4], int chunk_num, + WebPChunkIterator* iter) { + if (iter == NULL) return 0; + + memset(iter, 0, sizeof(*iter)); + iter->private_ = (void*)dmux; + return SetChunk(fourcc, chunk_num, iter); +} + +int WebPDemuxNextChunk(WebPChunkIterator* iter) { + if (iter != NULL) { + const char* const fourcc = + (const char*)iter->chunk.bytes - CHUNK_HEADER_SIZE; + return SetChunk(fourcc, iter->chunk_num + 1, iter); + } + return 0; +} + +int WebPDemuxPrevChunk(WebPChunkIterator* iter) { + if (iter != NULL && iter->chunk_num > 1) { + const char* const fourcc = + (const char*)iter->chunk.bytes - CHUNK_HEADER_SIZE; + return SetChunk(fourcc, iter->chunk_num - 1, iter); + } + return 0; +} + +void WebPDemuxReleaseChunkIterator(WebPChunkIterator* iter) { + (void)iter; +} + diff --git a/ProductApp/Pods/libwebp/src/demux/libwebpdemux.pc.in b/ProductApp/Pods/libwebp/src/demux/libwebpdemux.pc.in new file mode 100644 index 0000000..4da2e40 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/demux/libwebpdemux.pc.in @@ -0,0 +1,11 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ + +Name: libwebpdemux +Description: Library for parsing the WebP graphics format container +Version: @PACKAGE_VERSION@ +Requires.private: libwebp >= 0.2.0 +Cflags: -I${includedir} +Libs: -L${libdir} -l@webp_libname_prefix@webpdemux diff --git a/ProductApp/Pods/libwebp/src/demux/libwebpdemux.rc b/ProductApp/Pods/libwebp/src/demux/libwebpdemux.rc new file mode 100644 index 0000000..b0c9413 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/demux/libwebpdemux.rc @@ -0,0 +1,41 @@ +#define APSTUDIO_READONLY_SYMBOLS +#include "winres.h" +#undef APSTUDIO_READONLY_SYMBOLS + +#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) +LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US + +VS_VERSION_INFO VERSIONINFO + FILEVERSION 1,0,3,2 + PRODUCTVERSION 1,0,3,2 + FILEFLAGSMASK 0x3fL +#ifdef _DEBUG + FILEFLAGS 0x1L +#else + FILEFLAGS 0x0L +#endif + FILEOS 0x40004L + FILETYPE 0x2L + FILESUBTYPE 0x0L +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904b0" + BEGIN + VALUE "CompanyName", "Google, Inc." + VALUE "FileDescription", "libwebpdemux DLL" + VALUE "FileVersion", "1.3.2" + VALUE "InternalName", "libwebpdemux.dll" + VALUE "LegalCopyright", "Copyright (C) 2023" + VALUE "OriginalFilename", "libwebpdemux.dll" + VALUE "ProductName", "WebP Image Demuxer" + VALUE "ProductVersion", "1.3.2" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1200 + END +END + +#endif // English (United States) resources diff --git a/ProductApp/Pods/libwebp/src/dsp/Makefile.am b/ProductApp/Pods/libwebp/src/dsp/Makefile.am new file mode 100644 index 0000000..7db4ef0 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/Makefile.am @@ -0,0 +1,187 @@ +AM_CPPFLAGS += -I$(top_builddir) -I$(top_srcdir) +noinst_LTLIBRARIES = +noinst_LTLIBRARIES += libwebpdsp.la +noinst_LTLIBRARIES += libwebpdsp_sse2.la +noinst_LTLIBRARIES += libwebpdspdecode_sse2.la +noinst_LTLIBRARIES += libwebpdsp_sse41.la +noinst_LTLIBRARIES += libwebpdspdecode_sse41.la +noinst_LTLIBRARIES += libwebpdsp_neon.la +noinst_LTLIBRARIES += libwebpdspdecode_neon.la +noinst_LTLIBRARIES += libwebpdsp_msa.la +noinst_LTLIBRARIES += libwebpdspdecode_msa.la +noinst_LTLIBRARIES += libwebpdsp_mips32.la +noinst_LTLIBRARIES += libwebpdspdecode_mips32.la +noinst_LTLIBRARIES += libwebpdsp_mips_dsp_r2.la +noinst_LTLIBRARIES += libwebpdspdecode_mips_dsp_r2.la + +if BUILD_LIBWEBPDECODER + noinst_LTLIBRARIES += libwebpdspdecode.la +endif + +common_HEADERS = ../webp/types.h +commondir = $(includedir)/webp + +COMMON_SOURCES = +COMMON_SOURCES += alpha_processing.c +COMMON_SOURCES += cpu.c +COMMON_SOURCES += cpu.h +COMMON_SOURCES += dec.c +COMMON_SOURCES += dec_clip_tables.c +COMMON_SOURCES += dsp.h +COMMON_SOURCES += filters.c +COMMON_SOURCES += lossless.c +COMMON_SOURCES += lossless.h +COMMON_SOURCES += lossless_common.h +COMMON_SOURCES += rescaler.c +COMMON_SOURCES += upsampling.c +COMMON_SOURCES += yuv.c +COMMON_SOURCES += yuv.h + +ENC_SOURCES = +ENC_SOURCES += cost.c +ENC_SOURCES += enc.c +ENC_SOURCES += lossless_enc.c +ENC_SOURCES += quant.h +ENC_SOURCES += ssim.c + +libwebpdspdecode_sse41_la_SOURCES = +libwebpdspdecode_sse41_la_SOURCES += alpha_processing_sse41.c +libwebpdspdecode_sse41_la_SOURCES += dec_sse41.c +libwebpdspdecode_sse41_la_SOURCES += lossless_sse41.c +libwebpdspdecode_sse41_la_SOURCES += upsampling_sse41.c +libwebpdspdecode_sse41_la_SOURCES += yuv_sse41.c +libwebpdspdecode_sse41_la_CPPFLAGS = $(libwebpdsp_la_CPPFLAGS) +libwebpdspdecode_sse41_la_CFLAGS = $(AM_CFLAGS) $(SSE41_FLAGS) + +libwebpdspdecode_sse2_la_SOURCES = +libwebpdspdecode_sse2_la_SOURCES += alpha_processing_sse2.c +libwebpdspdecode_sse2_la_SOURCES += common_sse2.h +libwebpdspdecode_sse2_la_SOURCES += dec_sse2.c +libwebpdspdecode_sse2_la_SOURCES += filters_sse2.c +libwebpdspdecode_sse2_la_SOURCES += lossless_sse2.c +libwebpdspdecode_sse2_la_SOURCES += rescaler_sse2.c +libwebpdspdecode_sse2_la_SOURCES += upsampling_sse2.c +libwebpdspdecode_sse2_la_SOURCES += yuv_sse2.c +libwebpdspdecode_sse2_la_CPPFLAGS = $(libwebpdsp_sse2_la_CPPFLAGS) +libwebpdspdecode_sse2_la_CFLAGS = $(libwebpdsp_sse2_la_CFLAGS) + +libwebpdspdecode_neon_la_SOURCES = +libwebpdspdecode_neon_la_SOURCES += alpha_processing_neon.c +libwebpdspdecode_neon_la_SOURCES += dec_neon.c +libwebpdspdecode_neon_la_SOURCES += filters_neon.c +libwebpdspdecode_neon_la_SOURCES += lossless_neon.c +libwebpdspdecode_neon_la_SOURCES += neon.h +libwebpdspdecode_neon_la_SOURCES += rescaler_neon.c +libwebpdspdecode_neon_la_SOURCES += upsampling_neon.c +libwebpdspdecode_neon_la_SOURCES += yuv_neon.c +libwebpdspdecode_neon_la_CPPFLAGS = $(libwebpdsp_neon_la_CPPFLAGS) +libwebpdspdecode_neon_la_CFLAGS = $(libwebpdsp_neon_la_CFLAGS) + +libwebpdspdecode_msa_la_SOURCES = +libwebpdspdecode_msa_la_SOURCES += dec_msa.c +libwebpdspdecode_msa_la_SOURCES += filters_msa.c +libwebpdspdecode_msa_la_SOURCES += lossless_msa.c +libwebpdspdecode_msa_la_SOURCES += msa_macro.h +libwebpdspdecode_msa_la_SOURCES += rescaler_msa.c +libwebpdspdecode_msa_la_SOURCES += upsampling_msa.c +libwebpdspdecode_msa_la_CPPFLAGS = $(libwebpdsp_msa_la_CPPFLAGS) +libwebpdspdecode_msa_la_CFLAGS = $(libwebpdsp_msa_la_CFLAGS) + +libwebpdspdecode_mips32_la_SOURCES = +libwebpdspdecode_mips32_la_SOURCES += dec_mips32.c +libwebpdspdecode_mips32_la_SOURCES += mips_macro.h +libwebpdspdecode_mips32_la_SOURCES += rescaler_mips32.c +libwebpdspdecode_mips32_la_SOURCES += yuv_mips32.c +libwebpdspdecode_mips32_la_CPPFLAGS = $(libwebpdsp_mips32_la_CPPFLAGS) +libwebpdspdecode_mips32_la_CFLAGS = $(libwebpdsp_mips32_la_CFLAGS) + +libwebpdspdecode_mips_dsp_r2_la_SOURCES = +libwebpdspdecode_mips_dsp_r2_la_SOURCES += alpha_processing_mips_dsp_r2.c +libwebpdspdecode_mips_dsp_r2_la_SOURCES += dec_mips_dsp_r2.c +libwebpdspdecode_mips_dsp_r2_la_SOURCES += filters_mips_dsp_r2.c +libwebpdspdecode_mips_dsp_r2_la_SOURCES += lossless_mips_dsp_r2.c +libwebpdspdecode_mips_dsp_r2_la_SOURCES += mips_macro.h +libwebpdspdecode_mips_dsp_r2_la_SOURCES += rescaler_mips_dsp_r2.c +libwebpdspdecode_mips_dsp_r2_la_SOURCES += upsampling_mips_dsp_r2.c +libwebpdspdecode_mips_dsp_r2_la_SOURCES += yuv_mips_dsp_r2.c +libwebpdspdecode_mips_dsp_r2_la_CPPFLAGS = $(libwebpdsp_mips_dsp_r2_la_CPPFLAGS) +libwebpdspdecode_mips_dsp_r2_la_CFLAGS = $(libwebpdsp_mips_dsp_r2_la_CFLAGS) + +libwebpdsp_sse2_la_SOURCES = +libwebpdsp_sse2_la_SOURCES += cost_sse2.c +libwebpdsp_sse2_la_SOURCES += enc_sse2.c +libwebpdsp_sse2_la_SOURCES += lossless_enc_sse2.c +libwebpdsp_sse2_la_SOURCES += ssim_sse2.c +libwebpdsp_sse2_la_CPPFLAGS = $(libwebpdsp_la_CPPFLAGS) +libwebpdsp_sse2_la_CFLAGS = $(AM_CFLAGS) $(SSE2_FLAGS) +libwebpdsp_sse2_la_LIBADD = libwebpdspdecode_sse2.la + +libwebpdsp_sse41_la_SOURCES = +libwebpdsp_sse41_la_SOURCES += enc_sse41.c +libwebpdsp_sse41_la_SOURCES += lossless_enc_sse41.c +libwebpdsp_sse41_la_CPPFLAGS = $(libwebpdsp_la_CPPFLAGS) +libwebpdsp_sse41_la_CFLAGS = $(AM_CFLAGS) $(SSE41_FLAGS) +libwebpdsp_sse41_la_LIBADD = libwebpdspdecode_sse41.la + +libwebpdsp_neon_la_SOURCES = +libwebpdsp_neon_la_SOURCES += cost_neon.c +libwebpdsp_neon_la_SOURCES += enc_neon.c +libwebpdsp_neon_la_SOURCES += lossless_enc_neon.c +libwebpdsp_neon_la_CPPFLAGS = $(libwebpdsp_la_CPPFLAGS) +libwebpdsp_neon_la_CFLAGS = $(AM_CFLAGS) $(NEON_FLAGS) +libwebpdsp_neon_la_LIBADD = libwebpdspdecode_neon.la + +libwebpdsp_msa_la_SOURCES = +libwebpdsp_msa_la_SOURCES += enc_msa.c +libwebpdsp_msa_la_SOURCES += lossless_enc_msa.c +libwebpdsp_msa_la_CPPFLAGS = $(libwebpdsp_la_CPPFLAGS) +libwebpdsp_msa_la_CFLAGS = $(AM_CFLAGS) +libwebpdsp_msa_la_LIBADD = libwebpdspdecode_msa.la + +libwebpdsp_mips32_la_SOURCES = +libwebpdsp_mips32_la_SOURCES += cost_mips32.c +libwebpdsp_mips32_la_SOURCES += enc_mips32.c +libwebpdsp_mips32_la_SOURCES += lossless_enc_mips32.c +libwebpdsp_mips32_la_CPPFLAGS = $(libwebpdsp_la_CPPFLAGS) +libwebpdsp_mips32_la_CFLAGS = $(AM_CFLAGS) +libwebpdsp_mips32_la_LIBADD = libwebpdspdecode_mips32.la + +libwebpdsp_mips_dsp_r2_la_SOURCES = +libwebpdsp_mips_dsp_r2_la_SOURCES += cost_mips_dsp_r2.c +libwebpdsp_mips_dsp_r2_la_SOURCES += enc_mips_dsp_r2.c +libwebpdsp_mips_dsp_r2_la_SOURCES += lossless_enc_mips_dsp_r2.c +libwebpdsp_mips_dsp_r2_la_CPPFLAGS = $(libwebpdsp_la_CPPFLAGS) +libwebpdsp_mips_dsp_r2_la_CFLAGS = $(AM_CFLAGS) +libwebpdsp_mips_dsp_r2_la_LIBADD = libwebpdspdecode_mips_dsp_r2.la + +libwebpdsp_la_SOURCES = $(COMMON_SOURCES) $(ENC_SOURCES) + +noinst_HEADERS = +noinst_HEADERS += ../dec/vp8_dec.h +noinst_HEADERS += ../webp/decode.h + +libwebpdsp_la_CPPFLAGS = +libwebpdsp_la_CPPFLAGS += $(AM_CPPFLAGS) +libwebpdsp_la_CPPFLAGS += $(USE_SWAP_16BIT_CSP) +libwebpdsp_la_LDFLAGS = -lm +libwebpdsp_la_LIBADD = +libwebpdsp_la_LIBADD += libwebpdsp_sse2.la +libwebpdsp_la_LIBADD += libwebpdsp_sse41.la +libwebpdsp_la_LIBADD += libwebpdsp_neon.la +libwebpdsp_la_LIBADD += libwebpdsp_msa.la +libwebpdsp_la_LIBADD += libwebpdsp_mips32.la +libwebpdsp_la_LIBADD += libwebpdsp_mips_dsp_r2.la + +if BUILD_LIBWEBPDECODER + libwebpdspdecode_la_SOURCES = $(COMMON_SOURCES) + + libwebpdspdecode_la_CPPFLAGS = $(libwebpdsp_la_CPPFLAGS) + libwebpdspdecode_la_LDFLAGS = $(libwebpdsp_la_LDFLAGS) + libwebpdspdecode_la_LIBADD = + libwebpdspdecode_la_LIBADD += libwebpdspdecode_sse2.la + libwebpdspdecode_la_LIBADD += libwebpdspdecode_sse41.la + libwebpdspdecode_la_LIBADD += libwebpdspdecode_neon.la + libwebpdspdecode_la_LIBADD += libwebpdspdecode_msa.la + libwebpdspdecode_la_LIBADD += libwebpdspdecode_mips32.la + libwebpdspdecode_la_LIBADD += libwebpdspdecode_mips_dsp_r2.la +endif diff --git a/ProductApp/Pods/libwebp/src/dsp/alpha_processing.c b/ProductApp/Pods/libwebp/src/dsp/alpha_processing.c new file mode 100644 index 0000000..1d152f2 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/alpha_processing.c @@ -0,0 +1,496 @@ +// Copyright 2013 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Utilities for processing transparent channel. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include +#include "src/dsp/dsp.h" + +// Tables can be faster on some platform but incur some extra binary size (~2k). +#if !defined(USE_TABLES_FOR_ALPHA_MULT) +#define USE_TABLES_FOR_ALPHA_MULT 0 // ALTERNATE_CODE +#endif + + +// ----------------------------------------------------------------------------- + +#define MFIX 24 // 24bit fixed-point arithmetic +#define HALF ((1u << MFIX) >> 1) +#define KINV_255 ((1u << MFIX) / 255u) + +static uint32_t Mult(uint8_t x, uint32_t mult) { + const uint32_t v = (x * mult + HALF) >> MFIX; + assert(v <= 255); // <- 24bit precision is enough to ensure that. + return v; +} + +#if (USE_TABLES_FOR_ALPHA_MULT == 1) + +static const uint32_t kMultTables[2][256] = { + { // (255u << MFIX) / alpha + 0x00000000, 0xff000000, 0x7f800000, 0x55000000, 0x3fc00000, 0x33000000, + 0x2a800000, 0x246db6db, 0x1fe00000, 0x1c555555, 0x19800000, 0x172e8ba2, + 0x15400000, 0x139d89d8, 0x1236db6d, 0x11000000, 0x0ff00000, 0x0f000000, + 0x0e2aaaaa, 0x0d6bca1a, 0x0cc00000, 0x0c249249, 0x0b9745d1, 0x0b1642c8, + 0x0aa00000, 0x0a333333, 0x09cec4ec, 0x0971c71c, 0x091b6db6, 0x08cb08d3, + 0x08800000, 0x0839ce73, 0x07f80000, 0x07ba2e8b, 0x07800000, 0x07492492, + 0x07155555, 0x06e45306, 0x06b5e50d, 0x0689d89d, 0x06600000, 0x063831f3, + 0x06124924, 0x05ee23b8, 0x05cba2e8, 0x05aaaaaa, 0x058b2164, 0x056cefa8, + 0x05500000, 0x05343eb1, 0x05199999, 0x05000000, 0x04e76276, 0x04cfb2b7, + 0x04b8e38e, 0x04a2e8ba, 0x048db6db, 0x0479435e, 0x04658469, 0x045270d0, + 0x04400000, 0x042e29f7, 0x041ce739, 0x040c30c3, 0x03fc0000, 0x03ec4ec4, + 0x03dd1745, 0x03ce540f, 0x03c00000, 0x03b21642, 0x03a49249, 0x03976fc6, + 0x038aaaaa, 0x037e3f1f, 0x03722983, 0x03666666, 0x035af286, 0x034fcace, + 0x0344ec4e, 0x033a5440, 0x03300000, 0x0325ed09, 0x031c18f9, 0x0312818a, + 0x03092492, 0x03000000, 0x02f711dc, 0x02ee5846, 0x02e5d174, 0x02dd7baf, + 0x02d55555, 0x02cd5cd5, 0x02c590b2, 0x02bdef7b, 0x02b677d4, 0x02af286b, + 0x02a80000, 0x02a0fd5c, 0x029a1f58, 0x029364d9, 0x028ccccc, 0x0286562d, + 0x02800000, 0x0279c952, 0x0273b13b, 0x026db6db, 0x0267d95b, 0x026217ec, + 0x025c71c7, 0x0256e62a, 0x0251745d, 0x024c1bac, 0x0246db6d, 0x0241b2f9, + 0x023ca1af, 0x0237a6f4, 0x0232c234, 0x022df2df, 0x02293868, 0x02249249, + 0x02200000, 0x021b810e, 0x021714fb, 0x0212bb51, 0x020e739c, 0x020a3d70, + 0x02061861, 0x02020408, 0x01fe0000, 0x01fa0be8, 0x01f62762, 0x01f25213, + 0x01ee8ba2, 0x01ead3ba, 0x01e72a07, 0x01e38e38, 0x01e00000, 0x01dc7f10, + 0x01d90b21, 0x01d5a3e9, 0x01d24924, 0x01cefa8d, 0x01cbb7e3, 0x01c880e5, + 0x01c55555, 0x01c234f7, 0x01bf1f8f, 0x01bc14e5, 0x01b914c1, 0x01b61eed, + 0x01b33333, 0x01b05160, 0x01ad7943, 0x01aaaaaa, 0x01a7e567, 0x01a5294a, + 0x01a27627, 0x019fcbd2, 0x019d2a20, 0x019a90e7, 0x01980000, 0x01957741, + 0x0192f684, 0x01907da4, 0x018e0c7c, 0x018ba2e8, 0x018940c5, 0x0186e5f0, + 0x01849249, 0x018245ae, 0x01800000, 0x017dc11f, 0x017b88ee, 0x0179574e, + 0x01772c23, 0x01750750, 0x0172e8ba, 0x0170d045, 0x016ebdd7, 0x016cb157, + 0x016aaaaa, 0x0168a9b9, 0x0166ae6a, 0x0164b8a7, 0x0162c859, 0x0160dd67, + 0x015ef7bd, 0x015d1745, 0x015b3bea, 0x01596596, 0x01579435, 0x0155c7b4, + 0x01540000, 0x01523d03, 0x01507eae, 0x014ec4ec, 0x014d0fac, 0x014b5edc, + 0x0149b26c, 0x01480a4a, 0x01466666, 0x0144c6af, 0x01432b16, 0x0141938b, + 0x01400000, 0x013e7063, 0x013ce4a9, 0x013b5cc0, 0x0139d89d, 0x01385830, + 0x0136db6d, 0x01356246, 0x0133ecad, 0x01327a97, 0x01310bf6, 0x012fa0be, + 0x012e38e3, 0x012cd459, 0x012b7315, 0x012a150a, 0x0128ba2e, 0x01276276, + 0x01260dd6, 0x0124bc44, 0x01236db6, 0x01222222, 0x0120d97c, 0x011f93bc, + 0x011e50d7, 0x011d10c4, 0x011bd37a, 0x011a98ef, 0x0119611a, 0x01182bf2, + 0x0116f96f, 0x0115c988, 0x01149c34, 0x0113716a, 0x01124924, 0x01112358, + 0x01100000, 0x010edf12, 0x010dc087, 0x010ca458, 0x010b8a7d, 0x010a72f0, + 0x01095da8, 0x01084a9f, 0x010739ce, 0x01062b2e, 0x01051eb8, 0x01041465, + 0x01030c30, 0x01020612, 0x01010204, 0x01000000 }, + { // alpha * KINV_255 + 0x00000000, 0x00010101, 0x00020202, 0x00030303, 0x00040404, 0x00050505, + 0x00060606, 0x00070707, 0x00080808, 0x00090909, 0x000a0a0a, 0x000b0b0b, + 0x000c0c0c, 0x000d0d0d, 0x000e0e0e, 0x000f0f0f, 0x00101010, 0x00111111, + 0x00121212, 0x00131313, 0x00141414, 0x00151515, 0x00161616, 0x00171717, + 0x00181818, 0x00191919, 0x001a1a1a, 0x001b1b1b, 0x001c1c1c, 0x001d1d1d, + 0x001e1e1e, 0x001f1f1f, 0x00202020, 0x00212121, 0x00222222, 0x00232323, + 0x00242424, 0x00252525, 0x00262626, 0x00272727, 0x00282828, 0x00292929, + 0x002a2a2a, 0x002b2b2b, 0x002c2c2c, 0x002d2d2d, 0x002e2e2e, 0x002f2f2f, + 0x00303030, 0x00313131, 0x00323232, 0x00333333, 0x00343434, 0x00353535, + 0x00363636, 0x00373737, 0x00383838, 0x00393939, 0x003a3a3a, 0x003b3b3b, + 0x003c3c3c, 0x003d3d3d, 0x003e3e3e, 0x003f3f3f, 0x00404040, 0x00414141, + 0x00424242, 0x00434343, 0x00444444, 0x00454545, 0x00464646, 0x00474747, + 0x00484848, 0x00494949, 0x004a4a4a, 0x004b4b4b, 0x004c4c4c, 0x004d4d4d, + 0x004e4e4e, 0x004f4f4f, 0x00505050, 0x00515151, 0x00525252, 0x00535353, + 0x00545454, 0x00555555, 0x00565656, 0x00575757, 0x00585858, 0x00595959, + 0x005a5a5a, 0x005b5b5b, 0x005c5c5c, 0x005d5d5d, 0x005e5e5e, 0x005f5f5f, + 0x00606060, 0x00616161, 0x00626262, 0x00636363, 0x00646464, 0x00656565, + 0x00666666, 0x00676767, 0x00686868, 0x00696969, 0x006a6a6a, 0x006b6b6b, + 0x006c6c6c, 0x006d6d6d, 0x006e6e6e, 0x006f6f6f, 0x00707070, 0x00717171, + 0x00727272, 0x00737373, 0x00747474, 0x00757575, 0x00767676, 0x00777777, + 0x00787878, 0x00797979, 0x007a7a7a, 0x007b7b7b, 0x007c7c7c, 0x007d7d7d, + 0x007e7e7e, 0x007f7f7f, 0x00808080, 0x00818181, 0x00828282, 0x00838383, + 0x00848484, 0x00858585, 0x00868686, 0x00878787, 0x00888888, 0x00898989, + 0x008a8a8a, 0x008b8b8b, 0x008c8c8c, 0x008d8d8d, 0x008e8e8e, 0x008f8f8f, + 0x00909090, 0x00919191, 0x00929292, 0x00939393, 0x00949494, 0x00959595, + 0x00969696, 0x00979797, 0x00989898, 0x00999999, 0x009a9a9a, 0x009b9b9b, + 0x009c9c9c, 0x009d9d9d, 0x009e9e9e, 0x009f9f9f, 0x00a0a0a0, 0x00a1a1a1, + 0x00a2a2a2, 0x00a3a3a3, 0x00a4a4a4, 0x00a5a5a5, 0x00a6a6a6, 0x00a7a7a7, + 0x00a8a8a8, 0x00a9a9a9, 0x00aaaaaa, 0x00ababab, 0x00acacac, 0x00adadad, + 0x00aeaeae, 0x00afafaf, 0x00b0b0b0, 0x00b1b1b1, 0x00b2b2b2, 0x00b3b3b3, + 0x00b4b4b4, 0x00b5b5b5, 0x00b6b6b6, 0x00b7b7b7, 0x00b8b8b8, 0x00b9b9b9, + 0x00bababa, 0x00bbbbbb, 0x00bcbcbc, 0x00bdbdbd, 0x00bebebe, 0x00bfbfbf, + 0x00c0c0c0, 0x00c1c1c1, 0x00c2c2c2, 0x00c3c3c3, 0x00c4c4c4, 0x00c5c5c5, + 0x00c6c6c6, 0x00c7c7c7, 0x00c8c8c8, 0x00c9c9c9, 0x00cacaca, 0x00cbcbcb, + 0x00cccccc, 0x00cdcdcd, 0x00cecece, 0x00cfcfcf, 0x00d0d0d0, 0x00d1d1d1, + 0x00d2d2d2, 0x00d3d3d3, 0x00d4d4d4, 0x00d5d5d5, 0x00d6d6d6, 0x00d7d7d7, + 0x00d8d8d8, 0x00d9d9d9, 0x00dadada, 0x00dbdbdb, 0x00dcdcdc, 0x00dddddd, + 0x00dedede, 0x00dfdfdf, 0x00e0e0e0, 0x00e1e1e1, 0x00e2e2e2, 0x00e3e3e3, + 0x00e4e4e4, 0x00e5e5e5, 0x00e6e6e6, 0x00e7e7e7, 0x00e8e8e8, 0x00e9e9e9, + 0x00eaeaea, 0x00ebebeb, 0x00ececec, 0x00ededed, 0x00eeeeee, 0x00efefef, + 0x00f0f0f0, 0x00f1f1f1, 0x00f2f2f2, 0x00f3f3f3, 0x00f4f4f4, 0x00f5f5f5, + 0x00f6f6f6, 0x00f7f7f7, 0x00f8f8f8, 0x00f9f9f9, 0x00fafafa, 0x00fbfbfb, + 0x00fcfcfc, 0x00fdfdfd, 0x00fefefe, 0x00ffffff } +}; + +static WEBP_INLINE uint32_t GetScale(uint32_t a, int inverse) { + return kMultTables[!inverse][a]; +} + +#else + +static WEBP_INLINE uint32_t GetScale(uint32_t a, int inverse) { + return inverse ? (255u << MFIX) / a : a * KINV_255; +} + +#endif // USE_TABLES_FOR_ALPHA_MULT + +void WebPMultARGBRow_C(uint32_t* const ptr, int width, int inverse) { + int x; + for (x = 0; x < width; ++x) { + const uint32_t argb = ptr[x]; + if (argb < 0xff000000u) { // alpha < 255 + if (argb <= 0x00ffffffu) { // alpha == 0 + ptr[x] = 0; + } else { + const uint32_t alpha = (argb >> 24) & 0xff; + const uint32_t scale = GetScale(alpha, inverse); + uint32_t out = argb & 0xff000000u; + out |= Mult(argb >> 0, scale) << 0; + out |= Mult(argb >> 8, scale) << 8; + out |= Mult(argb >> 16, scale) << 16; + ptr[x] = out; + } + } + } +} + +void WebPMultRow_C(uint8_t* WEBP_RESTRICT const ptr, + const uint8_t* WEBP_RESTRICT const alpha, + int width, int inverse) { + int x; + for (x = 0; x < width; ++x) { + const uint32_t a = alpha[x]; + if (a != 255) { + if (a == 0) { + ptr[x] = 0; + } else { + const uint32_t scale = GetScale(a, inverse); + ptr[x] = Mult(ptr[x], scale); + } + } + } +} + +#undef KINV_255 +#undef HALF +#undef MFIX + +void (*WebPMultARGBRow)(uint32_t* const ptr, int width, int inverse); +void (*WebPMultRow)(uint8_t* WEBP_RESTRICT const ptr, + const uint8_t* WEBP_RESTRICT const alpha, + int width, int inverse); + +//------------------------------------------------------------------------------ +// Generic per-plane calls + +void WebPMultARGBRows(uint8_t* ptr, int stride, int width, int num_rows, + int inverse) { + int n; + for (n = 0; n < num_rows; ++n) { + WebPMultARGBRow((uint32_t*)ptr, width, inverse); + ptr += stride; + } +} + +void WebPMultRows(uint8_t* WEBP_RESTRICT ptr, int stride, + const uint8_t* WEBP_RESTRICT alpha, int alpha_stride, + int width, int num_rows, int inverse) { + int n; + for (n = 0; n < num_rows; ++n) { + WebPMultRow(ptr, alpha, width, inverse); + ptr += stride; + alpha += alpha_stride; + } +} + +//------------------------------------------------------------------------------ +// Premultiplied modes + +// non dithered-modes + +// (x * a * 32897) >> 23 is bit-wise equivalent to (int)(x * a / 255.) +// for all 8bit x or a. For bit-wise equivalence to (int)(x * a / 255. + .5), +// one can use instead: (x * a * 65793 + (1 << 23)) >> 24 +#if 1 // (int)(x * a / 255.) +#define MULTIPLIER(a) ((a) * 32897U) +#define PREMULTIPLY(x, m) (((x) * (m)) >> 23) +#else // (int)(x * a / 255. + .5) +#define MULTIPLIER(a) ((a) * 65793U) +#define PREMULTIPLY(x, m) (((x) * (m) + (1U << 23)) >> 24) +#endif + +#if !WEBP_NEON_OMIT_C_CODE +static void ApplyAlphaMultiply_C(uint8_t* rgba, int alpha_first, + int w, int h, int stride) { + while (h-- > 0) { + uint8_t* const rgb = rgba + (alpha_first ? 1 : 0); + const uint8_t* const alpha = rgba + (alpha_first ? 0 : 3); + int i; + for (i = 0; i < w; ++i) { + const uint32_t a = alpha[4 * i]; + if (a != 0xff) { + const uint32_t mult = MULTIPLIER(a); + rgb[4 * i + 0] = PREMULTIPLY(rgb[4 * i + 0], mult); + rgb[4 * i + 1] = PREMULTIPLY(rgb[4 * i + 1], mult); + rgb[4 * i + 2] = PREMULTIPLY(rgb[4 * i + 2], mult); + } + } + rgba += stride; + } +} +#endif // !WEBP_NEON_OMIT_C_CODE +#undef MULTIPLIER +#undef PREMULTIPLY + +// rgbA4444 + +#define MULTIPLIER(a) ((a) * 0x1111) // 0x1111 ~= (1 << 16) / 15 + +static WEBP_INLINE uint8_t dither_hi(uint8_t x) { + return (x & 0xf0) | (x >> 4); +} + +static WEBP_INLINE uint8_t dither_lo(uint8_t x) { + return (x & 0x0f) | (x << 4); +} + +static WEBP_INLINE uint8_t multiply(uint8_t x, uint32_t m) { + return (x * m) >> 16; +} + +static WEBP_INLINE void ApplyAlphaMultiply4444_C(uint8_t* rgba4444, + int w, int h, int stride, + int rg_byte_pos /* 0 or 1 */) { + while (h-- > 0) { + int i; + for (i = 0; i < w; ++i) { + const uint32_t rg = rgba4444[2 * i + rg_byte_pos]; + const uint32_t ba = rgba4444[2 * i + (rg_byte_pos ^ 1)]; + const uint8_t a = ba & 0x0f; + const uint32_t mult = MULTIPLIER(a); + const uint8_t r = multiply(dither_hi(rg), mult); + const uint8_t g = multiply(dither_lo(rg), mult); + const uint8_t b = multiply(dither_hi(ba), mult); + rgba4444[2 * i + rg_byte_pos] = (r & 0xf0) | ((g >> 4) & 0x0f); + rgba4444[2 * i + (rg_byte_pos ^ 1)] = (b & 0xf0) | a; + } + rgba4444 += stride; + } +} +#undef MULTIPLIER + +static void ApplyAlphaMultiply_16b_C(uint8_t* rgba4444, + int w, int h, int stride) { +#if (WEBP_SWAP_16BIT_CSP == 1) + ApplyAlphaMultiply4444_C(rgba4444, w, h, stride, 1); +#else + ApplyAlphaMultiply4444_C(rgba4444, w, h, stride, 0); +#endif +} + +#if !WEBP_NEON_OMIT_C_CODE +static int DispatchAlpha_C(const uint8_t* WEBP_RESTRICT alpha, int alpha_stride, + int width, int height, + uint8_t* WEBP_RESTRICT dst, int dst_stride) { + uint32_t alpha_mask = 0xff; + int i, j; + + for (j = 0; j < height; ++j) { + for (i = 0; i < width; ++i) { + const uint32_t alpha_value = alpha[i]; + dst[4 * i] = alpha_value; + alpha_mask &= alpha_value; + } + alpha += alpha_stride; + dst += dst_stride; + } + + return (alpha_mask != 0xff); +} + +static void DispatchAlphaToGreen_C(const uint8_t* WEBP_RESTRICT alpha, + int alpha_stride, int width, int height, + uint32_t* WEBP_RESTRICT dst, + int dst_stride) { + int i, j; + for (j = 0; j < height; ++j) { + for (i = 0; i < width; ++i) { + dst[i] = alpha[i] << 8; // leave A/R/B channels zero'd. + } + alpha += alpha_stride; + dst += dst_stride; + } +} + +static int ExtractAlpha_C(const uint8_t* WEBP_RESTRICT argb, int argb_stride, + int width, int height, + uint8_t* WEBP_RESTRICT alpha, int alpha_stride) { + uint8_t alpha_mask = 0xff; + int i, j; + + for (j = 0; j < height; ++j) { + for (i = 0; i < width; ++i) { + const uint8_t alpha_value = argb[4 * i]; + alpha[i] = alpha_value; + alpha_mask &= alpha_value; + } + argb += argb_stride; + alpha += alpha_stride; + } + return (alpha_mask == 0xff); +} + +static void ExtractGreen_C(const uint32_t* WEBP_RESTRICT argb, + uint8_t* WEBP_RESTRICT alpha, int size) { + int i; + for (i = 0; i < size; ++i) alpha[i] = argb[i] >> 8; +} +#endif // !WEBP_NEON_OMIT_C_CODE + +//------------------------------------------------------------------------------ + +static int HasAlpha8b_C(const uint8_t* src, int length) { + while (length-- > 0) if (*src++ != 0xff) return 1; + return 0; +} + +static int HasAlpha32b_C(const uint8_t* src, int length) { + int x; + for (x = 0; length-- > 0; x += 4) if (src[x] != 0xff) return 1; + return 0; +} + +static void AlphaReplace_C(uint32_t* src, int length, uint32_t color) { + int x; + for (x = 0; x < length; ++x) if ((src[x] >> 24) == 0) src[x] = color; +} + +//------------------------------------------------------------------------------ +// Simple channel manipulations. + +static WEBP_INLINE uint32_t MakeARGB32(int a, int r, int g, int b) { + return (((uint32_t)a << 24) | (r << 16) | (g << 8) | b); +} + +#ifdef WORDS_BIGENDIAN +static void PackARGB_C(const uint8_t* WEBP_RESTRICT a, + const uint8_t* WEBP_RESTRICT r, + const uint8_t* WEBP_RESTRICT g, + const uint8_t* WEBP_RESTRICT b, + int len, uint32_t* WEBP_RESTRICT out) { + int i; + for (i = 0; i < len; ++i) { + out[i] = MakeARGB32(a[4 * i], r[4 * i], g[4 * i], b[4 * i]); + } +} +#endif + +static void PackRGB_C(const uint8_t* WEBP_RESTRICT r, + const uint8_t* WEBP_RESTRICT g, + const uint8_t* WEBP_RESTRICT b, + int len, int step, uint32_t* WEBP_RESTRICT out) { + int i, offset = 0; + for (i = 0; i < len; ++i) { + out[i] = MakeARGB32(0xff, r[offset], g[offset], b[offset]); + offset += step; + } +} + +void (*WebPApplyAlphaMultiply)(uint8_t*, int, int, int, int); +void (*WebPApplyAlphaMultiply4444)(uint8_t*, int, int, int); +int (*WebPDispatchAlpha)(const uint8_t* WEBP_RESTRICT, int, int, int, + uint8_t* WEBP_RESTRICT, int); +void (*WebPDispatchAlphaToGreen)(const uint8_t* WEBP_RESTRICT, int, int, int, + uint32_t* WEBP_RESTRICT, int); +int (*WebPExtractAlpha)(const uint8_t* WEBP_RESTRICT, int, int, int, + uint8_t* WEBP_RESTRICT, int); +void (*WebPExtractGreen)(const uint32_t* WEBP_RESTRICT argb, + uint8_t* WEBP_RESTRICT alpha, int size); +#ifdef WORDS_BIGENDIAN +void (*WebPPackARGB)(const uint8_t* a, const uint8_t* r, const uint8_t* g, + const uint8_t* b, int, uint32_t*); +#endif +void (*WebPPackRGB)(const uint8_t* WEBP_RESTRICT r, + const uint8_t* WEBP_RESTRICT g, + const uint8_t* WEBP_RESTRICT b, + int len, int step, uint32_t* WEBP_RESTRICT out); + +int (*WebPHasAlpha8b)(const uint8_t* src, int length); +int (*WebPHasAlpha32b)(const uint8_t* src, int length); +void (*WebPAlphaReplace)(uint32_t* src, int length, uint32_t color); + +//------------------------------------------------------------------------------ +// Init function + +extern VP8CPUInfo VP8GetCPUInfo; +extern void WebPInitAlphaProcessingMIPSdspR2(void); +extern void WebPInitAlphaProcessingSSE2(void); +extern void WebPInitAlphaProcessingSSE41(void); +extern void WebPInitAlphaProcessingNEON(void); + +WEBP_DSP_INIT_FUNC(WebPInitAlphaProcessing) { + WebPMultARGBRow = WebPMultARGBRow_C; + WebPMultRow = WebPMultRow_C; + WebPApplyAlphaMultiply4444 = ApplyAlphaMultiply_16b_C; + +#ifdef WORDS_BIGENDIAN + WebPPackARGB = PackARGB_C; +#endif + WebPPackRGB = PackRGB_C; +#if !WEBP_NEON_OMIT_C_CODE + WebPApplyAlphaMultiply = ApplyAlphaMultiply_C; + WebPDispatchAlpha = DispatchAlpha_C; + WebPDispatchAlphaToGreen = DispatchAlphaToGreen_C; + WebPExtractAlpha = ExtractAlpha_C; + WebPExtractGreen = ExtractGreen_C; +#endif + + WebPHasAlpha8b = HasAlpha8b_C; + WebPHasAlpha32b = HasAlpha32b_C; + WebPAlphaReplace = AlphaReplace_C; + + // If defined, use CPUInfo() to overwrite some pointers with faster versions. + if (VP8GetCPUInfo != NULL) { +#if defined(WEBP_HAVE_SSE2) + if (VP8GetCPUInfo(kSSE2)) { + WebPInitAlphaProcessingSSE2(); +#if defined(WEBP_HAVE_SSE41) + if (VP8GetCPUInfo(kSSE4_1)) { + WebPInitAlphaProcessingSSE41(); + } +#endif + } +#endif +#if defined(WEBP_USE_MIPS_DSP_R2) + if (VP8GetCPUInfo(kMIPSdspR2)) { + WebPInitAlphaProcessingMIPSdspR2(); + } +#endif + } + +#if defined(WEBP_HAVE_NEON) + if (WEBP_NEON_OMIT_C_CODE || + (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kNEON))) { + WebPInitAlphaProcessingNEON(); + } +#endif + + assert(WebPMultARGBRow != NULL); + assert(WebPMultRow != NULL); + assert(WebPApplyAlphaMultiply != NULL); + assert(WebPApplyAlphaMultiply4444 != NULL); + assert(WebPDispatchAlpha != NULL); + assert(WebPDispatchAlphaToGreen != NULL); + assert(WebPExtractAlpha != NULL); + assert(WebPExtractGreen != NULL); +#ifdef WORDS_BIGENDIAN + assert(WebPPackARGB != NULL); +#endif + assert(WebPPackRGB != NULL); + assert(WebPHasAlpha8b != NULL); + assert(WebPHasAlpha32b != NULL); + assert(WebPAlphaReplace != NULL); +} diff --git a/ProductApp/Pods/libwebp/src/dsp/alpha_processing_mips_dsp_r2.c b/ProductApp/Pods/libwebp/src/dsp/alpha_processing_mips_dsp_r2.c new file mode 100644 index 0000000..0090e87 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/alpha_processing_mips_dsp_r2.c @@ -0,0 +1,228 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Utilities for processing transparent channel. +// +// Author(s): Branimir Vasic (branimir.vasic@imgtec.com) +// Djordje Pesut (djordje.pesut@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MIPS_DSP_R2) + +static int DispatchAlpha_MIPSdspR2(const uint8_t* alpha, int alpha_stride, + int width, int height, + uint8_t* dst, int dst_stride) { + uint32_t alpha_mask = 0xffffffff; + int i, j, temp0; + + for (j = 0; j < height; ++j) { + uint8_t* pdst = dst; + const uint8_t* palpha = alpha; + for (i = 0; i < (width >> 2); ++i) { + int temp1, temp2, temp3; + + __asm__ volatile ( + "ulw %[temp0], 0(%[palpha]) \n\t" + "addiu %[palpha], %[palpha], 4 \n\t" + "addiu %[pdst], %[pdst], 16 \n\t" + "srl %[temp1], %[temp0], 8 \n\t" + "srl %[temp2], %[temp0], 16 \n\t" + "srl %[temp3], %[temp0], 24 \n\t" + "and %[alpha_mask], %[alpha_mask], %[temp0] \n\t" + "sb %[temp0], -16(%[pdst]) \n\t" + "sb %[temp1], -12(%[pdst]) \n\t" + "sb %[temp2], -8(%[pdst]) \n\t" + "sb %[temp3], -4(%[pdst]) \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [palpha]"+r"(palpha), [pdst]"+r"(pdst), + [alpha_mask]"+r"(alpha_mask) + : + : "memory" + ); + } + + for (i = 0; i < (width & 3); ++i) { + __asm__ volatile ( + "lbu %[temp0], 0(%[palpha]) \n\t" + "addiu %[palpha], %[palpha], 1 \n\t" + "sb %[temp0], 0(%[pdst]) \n\t" + "and %[alpha_mask], %[alpha_mask], %[temp0] \n\t" + "addiu %[pdst], %[pdst], 4 \n\t" + : [temp0]"=&r"(temp0), [palpha]"+r"(palpha), [pdst]"+r"(pdst), + [alpha_mask]"+r"(alpha_mask) + : + : "memory" + ); + } + alpha += alpha_stride; + dst += dst_stride; + } + + __asm__ volatile ( + "ext %[temp0], %[alpha_mask], 0, 16 \n\t" + "srl %[alpha_mask], %[alpha_mask], 16 \n\t" + "and %[alpha_mask], %[alpha_mask], %[temp0] \n\t" + "ext %[temp0], %[alpha_mask], 0, 8 \n\t" + "srl %[alpha_mask], %[alpha_mask], 8 \n\t" + "and %[alpha_mask], %[alpha_mask], %[temp0] \n\t" + : [temp0]"=&r"(temp0), [alpha_mask]"+r"(alpha_mask) + : + ); + + return (alpha_mask != 0xff); +} + +static void MultARGBRow_MIPSdspR2(uint32_t* const ptr, int width, + int inverse) { + int x; + const uint32_t c_00ffffff = 0x00ffffffu; + const uint32_t c_ff000000 = 0xff000000u; + const uint32_t c_8000000 = 0x00800000u; + const uint32_t c_8000080 = 0x00800080u; + for (x = 0; x < width; ++x) { + const uint32_t argb = ptr[x]; + if (argb < 0xff000000u) { // alpha < 255 + if (argb <= 0x00ffffffu) { // alpha == 0 + ptr[x] = 0; + } else { + int temp0, temp1, temp2, temp3, alpha; + __asm__ volatile ( + "srl %[alpha], %[argb], 24 \n\t" + "replv.qb %[temp0], %[alpha] \n\t" + "and %[temp0], %[temp0], %[c_00ffffff] \n\t" + "beqz %[inverse], 0f \n\t" + "divu $zero, %[c_ff000000], %[alpha] \n\t" + "mflo %[temp0] \n\t" + "0: \n\t" + "andi %[temp1], %[argb], 0xff \n\t" + "ext %[temp2], %[argb], 8, 8 \n\t" + "ext %[temp3], %[argb], 16, 8 \n\t" + "mul %[temp1], %[temp1], %[temp0] \n\t" + "mul %[temp2], %[temp2], %[temp0] \n\t" + "mul %[temp3], %[temp3], %[temp0] \n\t" + "precrq.ph.w %[temp1], %[temp2], %[temp1] \n\t" + "addu %[temp3], %[temp3], %[c_8000000] \n\t" + "addu %[temp1], %[temp1], %[c_8000080] \n\t" + "precrq.ph.w %[temp3], %[argb], %[temp3] \n\t" + "precrq.qb.ph %[temp1], %[temp3], %[temp1] \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [alpha]"=&r"(alpha) + : [inverse]"r"(inverse), [c_00ffffff]"r"(c_00ffffff), + [c_8000000]"r"(c_8000000), [c_8000080]"r"(c_8000080), + [c_ff000000]"r"(c_ff000000), [argb]"r"(argb) + : "memory", "hi", "lo" + ); + ptr[x] = temp1; + } + } + } +} + +#ifdef WORDS_BIGENDIAN +static void PackARGB_MIPSdspR2(const uint8_t* a, const uint8_t* r, + const uint8_t* g, const uint8_t* b, int len, + uint32_t* out) { + int temp0, temp1, temp2, temp3, offset; + const int rest = len & 1; + const uint32_t* const loop_end = out + len - rest; + const int step = 4; + __asm__ volatile ( + "xor %[offset], %[offset], %[offset] \n\t" + "beq %[loop_end], %[out], 0f \n\t" + "2: \n\t" + "lbux %[temp0], %[offset](%[a]) \n\t" + "lbux %[temp1], %[offset](%[r]) \n\t" + "lbux %[temp2], %[offset](%[g]) \n\t" + "lbux %[temp3], %[offset](%[b]) \n\t" + "ins %[temp1], %[temp0], 16, 16 \n\t" + "ins %[temp3], %[temp2], 16, 16 \n\t" + "addiu %[out], %[out], 4 \n\t" + "precr.qb.ph %[temp0], %[temp1], %[temp3] \n\t" + "sw %[temp0], -4(%[out]) \n\t" + "addu %[offset], %[offset], %[step] \n\t" + "bne %[loop_end], %[out], 2b \n\t" + "0: \n\t" + "beq %[rest], $zero, 1f \n\t" + "lbux %[temp0], %[offset](%[a]) \n\t" + "lbux %[temp1], %[offset](%[r]) \n\t" + "lbux %[temp2], %[offset](%[g]) \n\t" + "lbux %[temp3], %[offset](%[b]) \n\t" + "ins %[temp1], %[temp0], 16, 16 \n\t" + "ins %[temp3], %[temp2], 16, 16 \n\t" + "precr.qb.ph %[temp0], %[temp1], %[temp3] \n\t" + "sw %[temp0], 0(%[out]) \n\t" + "1: \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [offset]"=&r"(offset), [out]"+&r"(out) + : [a]"r"(a), [r]"r"(r), [g]"r"(g), [b]"r"(b), [step]"r"(step), + [loop_end]"r"(loop_end), [rest]"r"(rest) + : "memory" + ); +} +#endif // WORDS_BIGENDIAN + +static void PackRGB_MIPSdspR2(const uint8_t* r, const uint8_t* g, + const uint8_t* b, int len, int step, + uint32_t* out) { + int temp0, temp1, temp2, offset; + const int rest = len & 1; + const int a = 0xff; + const uint32_t* const loop_end = out + len - rest; + __asm__ volatile ( + "xor %[offset], %[offset], %[offset] \n\t" + "beq %[loop_end], %[out], 0f \n\t" + "2: \n\t" + "lbux %[temp0], %[offset](%[r]) \n\t" + "lbux %[temp1], %[offset](%[g]) \n\t" + "lbux %[temp2], %[offset](%[b]) \n\t" + "ins %[temp0], %[a], 16, 16 \n\t" + "ins %[temp2], %[temp1], 16, 16 \n\t" + "addiu %[out], %[out], 4 \n\t" + "precr.qb.ph %[temp0], %[temp0], %[temp2] \n\t" + "sw %[temp0], -4(%[out]) \n\t" + "addu %[offset], %[offset], %[step] \n\t" + "bne %[loop_end], %[out], 2b \n\t" + "0: \n\t" + "beq %[rest], $zero, 1f \n\t" + "lbux %[temp0], %[offset](%[r]) \n\t" + "lbux %[temp1], %[offset](%[g]) \n\t" + "lbux %[temp2], %[offset](%[b]) \n\t" + "ins %[temp0], %[a], 16, 16 \n\t" + "ins %[temp2], %[temp1], 16, 16 \n\t" + "precr.qb.ph %[temp0], %[temp0], %[temp2] \n\t" + "sw %[temp0], 0(%[out]) \n\t" + "1: \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [offset]"=&r"(offset), [out]"+&r"(out) + : [a]"r"(a), [r]"r"(r), [g]"r"(g), [b]"r"(b), [step]"r"(step), + [loop_end]"r"(loop_end), [rest]"r"(rest) + : "memory" + ); +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void WebPInitAlphaProcessingMIPSdspR2(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPInitAlphaProcessingMIPSdspR2(void) { + WebPDispatchAlpha = DispatchAlpha_MIPSdspR2; + WebPMultARGBRow = MultARGBRow_MIPSdspR2; +#ifdef WORDS_BIGENDIAN + WebPPackARGB = PackARGB_MIPSdspR2; +#endif + WebPPackRGB = PackRGB_MIPSdspR2; +} + +#else // !WEBP_USE_MIPS_DSP_R2 + +WEBP_DSP_INIT_STUB(WebPInitAlphaProcessingMIPSdspR2) + +#endif // WEBP_USE_MIPS_DSP_R2 diff --git a/ProductApp/Pods/libwebp/src/dsp/alpha_processing_neon.c b/ProductApp/Pods/libwebp/src/dsp/alpha_processing_neon.c new file mode 100644 index 0000000..6716fb7 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/alpha_processing_neon.c @@ -0,0 +1,194 @@ +// Copyright 2017 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Utilities for processing transparent channel, NEON version. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_NEON) + +#include "src/dsp/neon.h" + +//------------------------------------------------------------------------------ + +#define MULTIPLIER(a) ((a) * 0x8081) +#define PREMULTIPLY(x, m) (((x) * (m)) >> 23) + +#define MULTIPLY_BY_ALPHA(V, ALPHA, OTHER) do { \ + const uint8x8_t alpha = (V).val[(ALPHA)]; \ + const uint16x8_t r1 = vmull_u8((V).val[1], alpha); \ + const uint16x8_t g1 = vmull_u8((V).val[2], alpha); \ + const uint16x8_t b1 = vmull_u8((V).val[(OTHER)], alpha); \ + /* we use: v / 255 = (v + 1 + (v >> 8)) >> 8 */ \ + const uint16x8_t r2 = vsraq_n_u16(r1, r1, 8); \ + const uint16x8_t g2 = vsraq_n_u16(g1, g1, 8); \ + const uint16x8_t b2 = vsraq_n_u16(b1, b1, 8); \ + const uint16x8_t r3 = vaddq_u16(r2, kOne); \ + const uint16x8_t g3 = vaddq_u16(g2, kOne); \ + const uint16x8_t b3 = vaddq_u16(b2, kOne); \ + (V).val[1] = vshrn_n_u16(r3, 8); \ + (V).val[2] = vshrn_n_u16(g3, 8); \ + (V).val[(OTHER)] = vshrn_n_u16(b3, 8); \ +} while (0) + +static void ApplyAlphaMultiply_NEON(uint8_t* rgba, int alpha_first, + int w, int h, int stride) { + const uint16x8_t kOne = vdupq_n_u16(1u); + while (h-- > 0) { + uint32_t* const rgbx = (uint32_t*)rgba; + int i = 0; + if (alpha_first) { + for (; i + 8 <= w; i += 8) { + // load aaaa...|rrrr...|gggg...|bbbb... + uint8x8x4_t RGBX = vld4_u8((const uint8_t*)(rgbx + i)); + MULTIPLY_BY_ALPHA(RGBX, 0, 3); + vst4_u8((uint8_t*)(rgbx + i), RGBX); + } + } else { + for (; i + 8 <= w; i += 8) { + uint8x8x4_t RGBX = vld4_u8((const uint8_t*)(rgbx + i)); + MULTIPLY_BY_ALPHA(RGBX, 3, 0); + vst4_u8((uint8_t*)(rgbx + i), RGBX); + } + } + // Finish with left-overs. + for (; i < w; ++i) { + uint8_t* const rgb = rgba + (alpha_first ? 1 : 0); + const uint8_t* const alpha = rgba + (alpha_first ? 0 : 3); + const uint32_t a = alpha[4 * i]; + if (a != 0xff) { + const uint32_t mult = MULTIPLIER(a); + rgb[4 * i + 0] = PREMULTIPLY(rgb[4 * i + 0], mult); + rgb[4 * i + 1] = PREMULTIPLY(rgb[4 * i + 1], mult); + rgb[4 * i + 2] = PREMULTIPLY(rgb[4 * i + 2], mult); + } + } + rgba += stride; + } +} +#undef MULTIPLY_BY_ALPHA +#undef MULTIPLIER +#undef PREMULTIPLY + +//------------------------------------------------------------------------------ + +static int DispatchAlpha_NEON(const uint8_t* WEBP_RESTRICT alpha, + int alpha_stride, int width, int height, + uint8_t* WEBP_RESTRICT dst, int dst_stride) { + uint32_t alpha_mask = 0xffu; + uint8x8_t mask8 = vdup_n_u8(0xff); + uint32_t tmp[2]; + int i, j; + for (j = 0; j < height; ++j) { + // We don't know if alpha is first or last in dst[] (depending on rgbA/Argb + // mode). So we must be sure dst[4*i + 8 - 1] is writable for the store. + // Hence the test with 'width - 1' instead of just 'width'. + for (i = 0; i + 8 <= width - 1; i += 8) { + uint8x8x4_t rgbX = vld4_u8((const uint8_t*)(dst + 4 * i)); + const uint8x8_t alphas = vld1_u8(alpha + i); + rgbX.val[0] = alphas; + vst4_u8((uint8_t*)(dst + 4 * i), rgbX); + mask8 = vand_u8(mask8, alphas); + } + for (; i < width; ++i) { + const uint32_t alpha_value = alpha[i]; + dst[4 * i] = alpha_value; + alpha_mask &= alpha_value; + } + alpha += alpha_stride; + dst += dst_stride; + } + vst1_u8((uint8_t*)tmp, mask8); + alpha_mask *= 0x01010101; + alpha_mask &= tmp[0]; + alpha_mask &= tmp[1]; + return (alpha_mask != 0xffffffffu); +} + +static void DispatchAlphaToGreen_NEON(const uint8_t* WEBP_RESTRICT alpha, + int alpha_stride, int width, int height, + uint32_t* WEBP_RESTRICT dst, + int dst_stride) { + int i, j; + uint8x8x4_t greens; // leave A/R/B channels zero'd. + greens.val[0] = vdup_n_u8(0); + greens.val[2] = vdup_n_u8(0); + greens.val[3] = vdup_n_u8(0); + for (j = 0; j < height; ++j) { + for (i = 0; i + 8 <= width; i += 8) { + greens.val[1] = vld1_u8(alpha + i); + vst4_u8((uint8_t*)(dst + i), greens); + } + for (; i < width; ++i) dst[i] = alpha[i] << 8; + alpha += alpha_stride; + dst += dst_stride; + } +} + +static int ExtractAlpha_NEON(const uint8_t* WEBP_RESTRICT argb, int argb_stride, + int width, int height, + uint8_t* WEBP_RESTRICT alpha, int alpha_stride) { + uint32_t alpha_mask = 0xffu; + uint8x8_t mask8 = vdup_n_u8(0xff); + uint32_t tmp[2]; + int i, j; + for (j = 0; j < height; ++j) { + // We don't know if alpha is first or last in dst[] (depending on rgbA/Argb + // mode). So we must be sure dst[4*i + 8 - 1] is writable for the store. + // Hence the test with 'width - 1' instead of just 'width'. + for (i = 0; i + 8 <= width - 1; i += 8) { + const uint8x8x4_t rgbX = vld4_u8((const uint8_t*)(argb + 4 * i)); + const uint8x8_t alphas = rgbX.val[0]; + vst1_u8((uint8_t*)(alpha + i), alphas); + mask8 = vand_u8(mask8, alphas); + } + for (; i < width; ++i) { + alpha[i] = argb[4 * i]; + alpha_mask &= alpha[i]; + } + argb += argb_stride; + alpha += alpha_stride; + } + vst1_u8((uint8_t*)tmp, mask8); + alpha_mask *= 0x01010101; + alpha_mask &= tmp[0]; + alpha_mask &= tmp[1]; + return (alpha_mask == 0xffffffffu); +} + +static void ExtractGreen_NEON(const uint32_t* WEBP_RESTRICT argb, + uint8_t* WEBP_RESTRICT alpha, int size) { + int i; + for (i = 0; i + 16 <= size; i += 16) { + const uint8x16x4_t rgbX = vld4q_u8((const uint8_t*)(argb + i)); + const uint8x16_t greens = rgbX.val[1]; + vst1q_u8(alpha + i, greens); + } + for (; i < size; ++i) alpha[i] = (argb[i] >> 8) & 0xff; +} + +//------------------------------------------------------------------------------ + +extern void WebPInitAlphaProcessingNEON(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPInitAlphaProcessingNEON(void) { + WebPApplyAlphaMultiply = ApplyAlphaMultiply_NEON; + WebPDispatchAlpha = DispatchAlpha_NEON; + WebPDispatchAlphaToGreen = DispatchAlphaToGreen_NEON; + WebPExtractAlpha = ExtractAlpha_NEON; + WebPExtractGreen = ExtractGreen_NEON; +} + +#else // !WEBP_USE_NEON + +WEBP_DSP_INIT_STUB(WebPInitAlphaProcessingNEON) + +#endif // WEBP_USE_NEON diff --git a/ProductApp/Pods/libwebp/src/dsp/alpha_processing_sse2.c b/ProductApp/Pods/libwebp/src/dsp/alpha_processing_sse2.c new file mode 100644 index 0000000..f0843d0 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/alpha_processing_sse2.c @@ -0,0 +1,367 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Utilities for processing transparent channel. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_SSE2) +#include + +//------------------------------------------------------------------------------ + +static int DispatchAlpha_SSE2(const uint8_t* WEBP_RESTRICT alpha, + int alpha_stride, int width, int height, + uint8_t* WEBP_RESTRICT dst, int dst_stride) { + // alpha_and stores an 'and' operation of all the alpha[] values. The final + // value is not 0xff if any of the alpha[] is not equal to 0xff. + uint32_t alpha_and = 0xff; + int i, j; + const __m128i zero = _mm_setzero_si128(); + const __m128i rgb_mask = _mm_set1_epi32((int)0xffffff00); // to preserve RGB + const __m128i all_0xff = _mm_set_epi32(0, 0, ~0, ~0); + __m128i all_alphas = all_0xff; + + // We must be able to access 3 extra bytes after the last written byte + // 'dst[4 * width - 4]', because we don't know if alpha is the first or the + // last byte of the quadruplet. + const int limit = (width - 1) & ~7; + + for (j = 0; j < height; ++j) { + __m128i* out = (__m128i*)dst; + for (i = 0; i < limit; i += 8) { + // load 8 alpha bytes + const __m128i a0 = _mm_loadl_epi64((const __m128i*)&alpha[i]); + const __m128i a1 = _mm_unpacklo_epi8(a0, zero); + const __m128i a2_lo = _mm_unpacklo_epi16(a1, zero); + const __m128i a2_hi = _mm_unpackhi_epi16(a1, zero); + // load 8 dst pixels (32 bytes) + const __m128i b0_lo = _mm_loadu_si128(out + 0); + const __m128i b0_hi = _mm_loadu_si128(out + 1); + // mask dst alpha values + const __m128i b1_lo = _mm_and_si128(b0_lo, rgb_mask); + const __m128i b1_hi = _mm_and_si128(b0_hi, rgb_mask); + // combine + const __m128i b2_lo = _mm_or_si128(b1_lo, a2_lo); + const __m128i b2_hi = _mm_or_si128(b1_hi, a2_hi); + // store + _mm_storeu_si128(out + 0, b2_lo); + _mm_storeu_si128(out + 1, b2_hi); + // accumulate eight alpha 'and' in parallel + all_alphas = _mm_and_si128(all_alphas, a0); + out += 2; + } + for (; i < width; ++i) { + const uint32_t alpha_value = alpha[i]; + dst[4 * i] = alpha_value; + alpha_and &= alpha_value; + } + alpha += alpha_stride; + dst += dst_stride; + } + // Combine the eight alpha 'and' into a 8-bit mask. + alpha_and &= _mm_movemask_epi8(_mm_cmpeq_epi8(all_alphas, all_0xff)); + return (alpha_and != 0xff); +} + +static void DispatchAlphaToGreen_SSE2(const uint8_t* WEBP_RESTRICT alpha, + int alpha_stride, int width, int height, + uint32_t* WEBP_RESTRICT dst, + int dst_stride) { + int i, j; + const __m128i zero = _mm_setzero_si128(); + const int limit = width & ~15; + for (j = 0; j < height; ++j) { + for (i = 0; i < limit; i += 16) { // process 16 alpha bytes + const __m128i a0 = _mm_loadu_si128((const __m128i*)&alpha[i]); + const __m128i a1 = _mm_unpacklo_epi8(zero, a0); // note the 'zero' first! + const __m128i b1 = _mm_unpackhi_epi8(zero, a0); + const __m128i a2_lo = _mm_unpacklo_epi16(a1, zero); + const __m128i b2_lo = _mm_unpacklo_epi16(b1, zero); + const __m128i a2_hi = _mm_unpackhi_epi16(a1, zero); + const __m128i b2_hi = _mm_unpackhi_epi16(b1, zero); + _mm_storeu_si128((__m128i*)&dst[i + 0], a2_lo); + _mm_storeu_si128((__m128i*)&dst[i + 4], a2_hi); + _mm_storeu_si128((__m128i*)&dst[i + 8], b2_lo); + _mm_storeu_si128((__m128i*)&dst[i + 12], b2_hi); + } + for (; i < width; ++i) dst[i] = alpha[i] << 8; + alpha += alpha_stride; + dst += dst_stride; + } +} + +static int ExtractAlpha_SSE2(const uint8_t* WEBP_RESTRICT argb, int argb_stride, + int width, int height, + uint8_t* WEBP_RESTRICT alpha, int alpha_stride) { + // alpha_and stores an 'and' operation of all the alpha[] values. The final + // value is not 0xff if any of the alpha[] is not equal to 0xff. + uint32_t alpha_and = 0xff; + int i, j; + const __m128i a_mask = _mm_set1_epi32(0xff); // to preserve alpha + const __m128i all_0xff = _mm_set_epi32(0, 0, ~0, ~0); + __m128i all_alphas = all_0xff; + + // We must be able to access 3 extra bytes after the last written byte + // 'src[4 * width - 4]', because we don't know if alpha is the first or the + // last byte of the quadruplet. + const int limit = (width - 1) & ~7; + + for (j = 0; j < height; ++j) { + const __m128i* src = (const __m128i*)argb; + for (i = 0; i < limit; i += 8) { + // load 32 argb bytes + const __m128i a0 = _mm_loadu_si128(src + 0); + const __m128i a1 = _mm_loadu_si128(src + 1); + const __m128i b0 = _mm_and_si128(a0, a_mask); + const __m128i b1 = _mm_and_si128(a1, a_mask); + const __m128i c0 = _mm_packs_epi32(b0, b1); + const __m128i d0 = _mm_packus_epi16(c0, c0); + // store + _mm_storel_epi64((__m128i*)&alpha[i], d0); + // accumulate eight alpha 'and' in parallel + all_alphas = _mm_and_si128(all_alphas, d0); + src += 2; + } + for (; i < width; ++i) { + const uint32_t alpha_value = argb[4 * i]; + alpha[i] = alpha_value; + alpha_and &= alpha_value; + } + argb += argb_stride; + alpha += alpha_stride; + } + // Combine the eight alpha 'and' into a 8-bit mask. + alpha_and &= _mm_movemask_epi8(_mm_cmpeq_epi8(all_alphas, all_0xff)); + return (alpha_and == 0xff); +} + +//------------------------------------------------------------------------------ +// Non-dither premultiplied modes + +#define MULTIPLIER(a) ((a) * 0x8081) +#define PREMULTIPLY(x, m) (((x) * (m)) >> 23) + +// We can't use a 'const int' for the SHUFFLE value, because it has to be an +// immediate in the _mm_shufflexx_epi16() instruction. We really need a macro. +// We use: v / 255 = (v * 0x8081) >> 23, where v = alpha * {r,g,b} is a 16bit +// value. +#define APPLY_ALPHA(RGBX, SHUFFLE) do { \ + const __m128i argb0 = _mm_loadu_si128((const __m128i*)&(RGBX)); \ + const __m128i argb1_lo = _mm_unpacklo_epi8(argb0, zero); \ + const __m128i argb1_hi = _mm_unpackhi_epi8(argb0, zero); \ + const __m128i alpha0_lo = _mm_or_si128(argb1_lo, kMask); \ + const __m128i alpha0_hi = _mm_or_si128(argb1_hi, kMask); \ + const __m128i alpha1_lo = _mm_shufflelo_epi16(alpha0_lo, SHUFFLE); \ + const __m128i alpha1_hi = _mm_shufflelo_epi16(alpha0_hi, SHUFFLE); \ + const __m128i alpha2_lo = _mm_shufflehi_epi16(alpha1_lo, SHUFFLE); \ + const __m128i alpha2_hi = _mm_shufflehi_epi16(alpha1_hi, SHUFFLE); \ + /* alpha2 = [ff a0 a0 a0][ff a1 a1 a1] */ \ + const __m128i A0_lo = _mm_mullo_epi16(alpha2_lo, argb1_lo); \ + const __m128i A0_hi = _mm_mullo_epi16(alpha2_hi, argb1_hi); \ + const __m128i A1_lo = _mm_mulhi_epu16(A0_lo, kMult); \ + const __m128i A1_hi = _mm_mulhi_epu16(A0_hi, kMult); \ + const __m128i A2_lo = _mm_srli_epi16(A1_lo, 7); \ + const __m128i A2_hi = _mm_srli_epi16(A1_hi, 7); \ + const __m128i A3 = _mm_packus_epi16(A2_lo, A2_hi); \ + _mm_storeu_si128((__m128i*)&(RGBX), A3); \ +} while (0) + +static void ApplyAlphaMultiply_SSE2(uint8_t* rgba, int alpha_first, + int w, int h, int stride) { + const __m128i zero = _mm_setzero_si128(); + const __m128i kMult = _mm_set1_epi16((short)0x8081); + const __m128i kMask = _mm_set_epi16(0, 0xff, 0xff, 0, 0, 0xff, 0xff, 0); + const int kSpan = 4; + while (h-- > 0) { + uint32_t* const rgbx = (uint32_t*)rgba; + int i; + if (!alpha_first) { + for (i = 0; i + kSpan <= w; i += kSpan) { + APPLY_ALPHA(rgbx[i], _MM_SHUFFLE(2, 3, 3, 3)); + } + } else { + for (i = 0; i + kSpan <= w; i += kSpan) { + APPLY_ALPHA(rgbx[i], _MM_SHUFFLE(0, 0, 0, 1)); + } + } + // Finish with left-overs. + for (; i < w; ++i) { + uint8_t* const rgb = rgba + (alpha_first ? 1 : 0); + const uint8_t* const alpha = rgba + (alpha_first ? 0 : 3); + const uint32_t a = alpha[4 * i]; + if (a != 0xff) { + const uint32_t mult = MULTIPLIER(a); + rgb[4 * i + 0] = PREMULTIPLY(rgb[4 * i + 0], mult); + rgb[4 * i + 1] = PREMULTIPLY(rgb[4 * i + 1], mult); + rgb[4 * i + 2] = PREMULTIPLY(rgb[4 * i + 2], mult); + } + } + rgba += stride; + } +} +#undef MULTIPLIER +#undef PREMULTIPLY + +//------------------------------------------------------------------------------ +// Alpha detection + +static int HasAlpha8b_SSE2(const uint8_t* src, int length) { + const __m128i all_0xff = _mm_set1_epi8((char)0xff); + int i = 0; + for (; i + 16 <= length; i += 16) { + const __m128i v = _mm_loadu_si128((const __m128i*)(src + i)); + const __m128i bits = _mm_cmpeq_epi8(v, all_0xff); + const int mask = _mm_movemask_epi8(bits); + if (mask != 0xffff) return 1; + } + for (; i < length; ++i) if (src[i] != 0xff) return 1; + return 0; +} + +static int HasAlpha32b_SSE2(const uint8_t* src, int length) { + const __m128i alpha_mask = _mm_set1_epi32(0xff); + const __m128i all_0xff = _mm_set1_epi8((char)0xff); + int i = 0; + // We don't know if we can access the last 3 bytes after the last alpha + // value 'src[4 * length - 4]' (because we don't know if alpha is the first + // or the last byte of the quadruplet). Hence the '-3' protection below. + length = length * 4 - 3; // size in bytes + for (; i + 64 <= length; i += 64) { + const __m128i a0 = _mm_loadu_si128((const __m128i*)(src + i + 0)); + const __m128i a1 = _mm_loadu_si128((const __m128i*)(src + i + 16)); + const __m128i a2 = _mm_loadu_si128((const __m128i*)(src + i + 32)); + const __m128i a3 = _mm_loadu_si128((const __m128i*)(src + i + 48)); + const __m128i b0 = _mm_and_si128(a0, alpha_mask); + const __m128i b1 = _mm_and_si128(a1, alpha_mask); + const __m128i b2 = _mm_and_si128(a2, alpha_mask); + const __m128i b3 = _mm_and_si128(a3, alpha_mask); + const __m128i c0 = _mm_packs_epi32(b0, b1); + const __m128i c1 = _mm_packs_epi32(b2, b3); + const __m128i d = _mm_packus_epi16(c0, c1); + const __m128i bits = _mm_cmpeq_epi8(d, all_0xff); + const int mask = _mm_movemask_epi8(bits); + if (mask != 0xffff) return 1; + } + for (; i + 32 <= length; i += 32) { + const __m128i a0 = _mm_loadu_si128((const __m128i*)(src + i + 0)); + const __m128i a1 = _mm_loadu_si128((const __m128i*)(src + i + 16)); + const __m128i b0 = _mm_and_si128(a0, alpha_mask); + const __m128i b1 = _mm_and_si128(a1, alpha_mask); + const __m128i c = _mm_packs_epi32(b0, b1); + const __m128i d = _mm_packus_epi16(c, c); + const __m128i bits = _mm_cmpeq_epi8(d, all_0xff); + const int mask = _mm_movemask_epi8(bits); + if (mask != 0xffff) return 1; + } + for (; i <= length; i += 4) if (src[i] != 0xff) return 1; + return 0; +} + +static void AlphaReplace_SSE2(uint32_t* src, int length, uint32_t color) { + const __m128i m_color = _mm_set1_epi32((int)color); + const __m128i zero = _mm_setzero_si128(); + int i = 0; + for (; i + 8 <= length; i += 8) { + const __m128i a0 = _mm_loadu_si128((const __m128i*)(src + i + 0)); + const __m128i a1 = _mm_loadu_si128((const __m128i*)(src + i + 4)); + const __m128i b0 = _mm_srai_epi32(a0, 24); + const __m128i b1 = _mm_srai_epi32(a1, 24); + const __m128i c0 = _mm_cmpeq_epi32(b0, zero); + const __m128i c1 = _mm_cmpeq_epi32(b1, zero); + const __m128i d0 = _mm_and_si128(c0, m_color); + const __m128i d1 = _mm_and_si128(c1, m_color); + const __m128i e0 = _mm_andnot_si128(c0, a0); + const __m128i e1 = _mm_andnot_si128(c1, a1); + _mm_storeu_si128((__m128i*)(src + i + 0), _mm_or_si128(d0, e0)); + _mm_storeu_si128((__m128i*)(src + i + 4), _mm_or_si128(d1, e1)); + } + for (; i < length; ++i) if ((src[i] >> 24) == 0) src[i] = color; +} + +// ----------------------------------------------------------------------------- +// Apply alpha value to rows + +static void MultARGBRow_SSE2(uint32_t* const ptr, int width, int inverse) { + int x = 0; + if (!inverse) { + const int kSpan = 2; + const __m128i zero = _mm_setzero_si128(); + const __m128i k128 = _mm_set1_epi16(128); + const __m128i kMult = _mm_set1_epi16(0x0101); + const __m128i kMask = _mm_set_epi16(0, 0xff, 0, 0, 0, 0xff, 0, 0); + for (x = 0; x + kSpan <= width; x += kSpan) { + // To compute 'result = (int)(a * x / 255. + .5)', we use: + // tmp = a * v + 128, result = (tmp * 0x0101u) >> 16 + const __m128i A0 = _mm_loadl_epi64((const __m128i*)&ptr[x]); + const __m128i A1 = _mm_unpacklo_epi8(A0, zero); + const __m128i A2 = _mm_or_si128(A1, kMask); + const __m128i A3 = _mm_shufflelo_epi16(A2, _MM_SHUFFLE(2, 3, 3, 3)); + const __m128i A4 = _mm_shufflehi_epi16(A3, _MM_SHUFFLE(2, 3, 3, 3)); + // here, A4 = [ff a0 a0 a0][ff a1 a1 a1] + const __m128i A5 = _mm_mullo_epi16(A4, A1); + const __m128i A6 = _mm_add_epi16(A5, k128); + const __m128i A7 = _mm_mulhi_epu16(A6, kMult); + const __m128i A10 = _mm_packus_epi16(A7, zero); + _mm_storel_epi64((__m128i*)&ptr[x], A10); + } + } + width -= x; + if (width > 0) WebPMultARGBRow_C(ptr + x, width, inverse); +} + +static void MultRow_SSE2(uint8_t* WEBP_RESTRICT const ptr, + const uint8_t* WEBP_RESTRICT const alpha, + int width, int inverse) { + int x = 0; + if (!inverse) { + const __m128i zero = _mm_setzero_si128(); + const __m128i k128 = _mm_set1_epi16(128); + const __m128i kMult = _mm_set1_epi16(0x0101); + for (x = 0; x + 8 <= width; x += 8) { + const __m128i v0 = _mm_loadl_epi64((__m128i*)&ptr[x]); + const __m128i a0 = _mm_loadl_epi64((const __m128i*)&alpha[x]); + const __m128i v1 = _mm_unpacklo_epi8(v0, zero); + const __m128i a1 = _mm_unpacklo_epi8(a0, zero); + const __m128i v2 = _mm_mullo_epi16(v1, a1); + const __m128i v3 = _mm_add_epi16(v2, k128); + const __m128i v4 = _mm_mulhi_epu16(v3, kMult); + const __m128i v5 = _mm_packus_epi16(v4, zero); + _mm_storel_epi64((__m128i*)&ptr[x], v5); + } + } + width -= x; + if (width > 0) WebPMultRow_C(ptr + x, alpha + x, width, inverse); +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void WebPInitAlphaProcessingSSE2(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPInitAlphaProcessingSSE2(void) { + WebPMultARGBRow = MultARGBRow_SSE2; + WebPMultRow = MultRow_SSE2; + WebPApplyAlphaMultiply = ApplyAlphaMultiply_SSE2; + WebPDispatchAlpha = DispatchAlpha_SSE2; + WebPDispatchAlphaToGreen = DispatchAlphaToGreen_SSE2; + WebPExtractAlpha = ExtractAlpha_SSE2; + + WebPHasAlpha8b = HasAlpha8b_SSE2; + WebPHasAlpha32b = HasAlpha32b_SSE2; + WebPAlphaReplace = AlphaReplace_SSE2; +} + +#else // !WEBP_USE_SSE2 + +WEBP_DSP_INIT_STUB(WebPInitAlphaProcessingSSE2) + +#endif // WEBP_USE_SSE2 diff --git a/ProductApp/Pods/libwebp/src/dsp/alpha_processing_sse41.c b/ProductApp/Pods/libwebp/src/dsp/alpha_processing_sse41.c new file mode 100644 index 0000000..1156ac3 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/alpha_processing_sse41.c @@ -0,0 +1,92 @@ +// Copyright 2015 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Utilities for processing transparent channel, SSE4.1 variant. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_SSE41) + +#include + +//------------------------------------------------------------------------------ + +static int ExtractAlpha_SSE41(const uint8_t* WEBP_RESTRICT argb, + int argb_stride, int width, int height, + uint8_t* WEBP_RESTRICT alpha, int alpha_stride) { + // alpha_and stores an 'and' operation of all the alpha[] values. The final + // value is not 0xff if any of the alpha[] is not equal to 0xff. + uint32_t alpha_and = 0xff; + int i, j; + const __m128i all_0xff = _mm_set1_epi32(~0); + __m128i all_alphas = all_0xff; + + // We must be able to access 3 extra bytes after the last written byte + // 'src[4 * width - 4]', because we don't know if alpha is the first or the + // last byte of the quadruplet. + const int limit = (width - 1) & ~15; + const __m128i kCstAlpha0 = _mm_set_epi8(-1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, 12, 8, 4, 0); + const __m128i kCstAlpha1 = _mm_set_epi8(-1, -1, -1, -1, -1, -1, -1, -1, + 12, 8, 4, 0, -1, -1, -1, -1); + const __m128i kCstAlpha2 = _mm_set_epi8(-1, -1, -1, -1, 12, 8, 4, 0, + -1, -1, -1, -1, -1, -1, -1, -1); + const __m128i kCstAlpha3 = _mm_set_epi8(12, 8, 4, 0, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1); + for (j = 0; j < height; ++j) { + const __m128i* src = (const __m128i*)argb; + for (i = 0; i < limit; i += 16) { + // load 64 argb bytes + const __m128i a0 = _mm_loadu_si128(src + 0); + const __m128i a1 = _mm_loadu_si128(src + 1); + const __m128i a2 = _mm_loadu_si128(src + 2); + const __m128i a3 = _mm_loadu_si128(src + 3); + const __m128i b0 = _mm_shuffle_epi8(a0, kCstAlpha0); + const __m128i b1 = _mm_shuffle_epi8(a1, kCstAlpha1); + const __m128i b2 = _mm_shuffle_epi8(a2, kCstAlpha2); + const __m128i b3 = _mm_shuffle_epi8(a3, kCstAlpha3); + const __m128i c0 = _mm_or_si128(b0, b1); + const __m128i c1 = _mm_or_si128(b2, b3); + const __m128i d0 = _mm_or_si128(c0, c1); + // store + _mm_storeu_si128((__m128i*)&alpha[i], d0); + // accumulate sixteen alpha 'and' in parallel + all_alphas = _mm_and_si128(all_alphas, d0); + src += 4; + } + for (; i < width; ++i) { + const uint32_t alpha_value = argb[4 * i]; + alpha[i] = alpha_value; + alpha_and &= alpha_value; + } + argb += argb_stride; + alpha += alpha_stride; + } + // Combine the sixteen alpha 'and' into an 8-bit mask. + alpha_and |= 0xff00u; // pretend the upper bits [8..15] were tested ok. + alpha_and &= _mm_movemask_epi8(_mm_cmpeq_epi8(all_alphas, all_0xff)); + return (alpha_and == 0xffffu); +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void WebPInitAlphaProcessingSSE41(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPInitAlphaProcessingSSE41(void) { + WebPExtractAlpha = ExtractAlpha_SSE41; +} + +#else // !WEBP_USE_SSE41 + +WEBP_DSP_INIT_STUB(WebPInitAlphaProcessingSSE41) + +#endif // WEBP_USE_SSE41 diff --git a/ProductApp/Pods/libwebp/src/dsp/common_sse2.h b/ProductApp/Pods/libwebp/src/dsp/common_sse2.h new file mode 100644 index 0000000..e9f1ebf --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/common_sse2.h @@ -0,0 +1,194 @@ +// Copyright 2016 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// SSE2 code common to several files. +// +// Author: Vincent Rabaud (vrabaud@google.com) + +#ifndef WEBP_DSP_COMMON_SSE2_H_ +#define WEBP_DSP_COMMON_SSE2_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#if defined(WEBP_USE_SSE2) + +#include + +//------------------------------------------------------------------------------ +// Quite useful macro for debugging. Left here for convenience. + +#if 0 +#include +static WEBP_INLINE void PrintReg(const __m128i r, const char* const name, + int size) { + int n; + union { + __m128i r; + uint8_t i8[16]; + uint16_t i16[8]; + uint32_t i32[4]; + uint64_t i64[2]; + } tmp; + tmp.r = r; + fprintf(stderr, "%s\t: ", name); + if (size == 8) { + for (n = 0; n < 16; ++n) fprintf(stderr, "%.2x ", tmp.i8[n]); + } else if (size == 16) { + for (n = 0; n < 8; ++n) fprintf(stderr, "%.4x ", tmp.i16[n]); + } else if (size == 32) { + for (n = 0; n < 4; ++n) fprintf(stderr, "%.8x ", tmp.i32[n]); + } else { + for (n = 0; n < 2; ++n) fprintf(stderr, "%.16lx ", tmp.i64[n]); + } + fprintf(stderr, "\n"); +} +#endif + +//------------------------------------------------------------------------------ +// Math functions. + +// Return the sum of all the 8b in the register. +static WEBP_INLINE int VP8HorizontalAdd8b(const __m128i* const a) { + const __m128i zero = _mm_setzero_si128(); + const __m128i sad8x2 = _mm_sad_epu8(*a, zero); + // sum the two sads: sad8x2[0:1] + sad8x2[8:9] + const __m128i sum = _mm_add_epi32(sad8x2, _mm_shuffle_epi32(sad8x2, 2)); + return _mm_cvtsi128_si32(sum); +} + +// Transpose two 4x4 16b matrices horizontally stored in registers. +static WEBP_INLINE void VP8Transpose_2_4x4_16b( + const __m128i* const in0, const __m128i* const in1, + const __m128i* const in2, const __m128i* const in3, __m128i* const out0, + __m128i* const out1, __m128i* const out2, __m128i* const out3) { + // Transpose the two 4x4. + // a00 a01 a02 a03 b00 b01 b02 b03 + // a10 a11 a12 a13 b10 b11 b12 b13 + // a20 a21 a22 a23 b20 b21 b22 b23 + // a30 a31 a32 a33 b30 b31 b32 b33 + const __m128i transpose0_0 = _mm_unpacklo_epi16(*in0, *in1); + const __m128i transpose0_1 = _mm_unpacklo_epi16(*in2, *in3); + const __m128i transpose0_2 = _mm_unpackhi_epi16(*in0, *in1); + const __m128i transpose0_3 = _mm_unpackhi_epi16(*in2, *in3); + // a00 a10 a01 a11 a02 a12 a03 a13 + // a20 a30 a21 a31 a22 a32 a23 a33 + // b00 b10 b01 b11 b02 b12 b03 b13 + // b20 b30 b21 b31 b22 b32 b23 b33 + const __m128i transpose1_0 = _mm_unpacklo_epi32(transpose0_0, transpose0_1); + const __m128i transpose1_1 = _mm_unpacklo_epi32(transpose0_2, transpose0_3); + const __m128i transpose1_2 = _mm_unpackhi_epi32(transpose0_0, transpose0_1); + const __m128i transpose1_3 = _mm_unpackhi_epi32(transpose0_2, transpose0_3); + // a00 a10 a20 a30 a01 a11 a21 a31 + // b00 b10 b20 b30 b01 b11 b21 b31 + // a02 a12 a22 a32 a03 a13 a23 a33 + // b02 b12 a22 b32 b03 b13 b23 b33 + *out0 = _mm_unpacklo_epi64(transpose1_0, transpose1_1); + *out1 = _mm_unpackhi_epi64(transpose1_0, transpose1_1); + *out2 = _mm_unpacklo_epi64(transpose1_2, transpose1_3); + *out3 = _mm_unpackhi_epi64(transpose1_2, transpose1_3); + // a00 a10 a20 a30 b00 b10 b20 b30 + // a01 a11 a21 a31 b01 b11 b21 b31 + // a02 a12 a22 a32 b02 b12 b22 b32 + // a03 a13 a23 a33 b03 b13 b23 b33 +} + +//------------------------------------------------------------------------------ +// Channel mixing. + +// Function used several times in VP8PlanarTo24b. +// It samples the in buffer as follows: one every two unsigned char is stored +// at the beginning of the buffer, while the other half is stored at the end. +#define VP8PlanarTo24bHelper(IN, OUT) \ + do { \ + const __m128i v_mask = _mm_set1_epi16(0x00ff); \ + /* Take one every two upper 8b values.*/ \ + (OUT##0) = _mm_packus_epi16(_mm_and_si128((IN##0), v_mask), \ + _mm_and_si128((IN##1), v_mask)); \ + (OUT##1) = _mm_packus_epi16(_mm_and_si128((IN##2), v_mask), \ + _mm_and_si128((IN##3), v_mask)); \ + (OUT##2) = _mm_packus_epi16(_mm_and_si128((IN##4), v_mask), \ + _mm_and_si128((IN##5), v_mask)); \ + /* Take one every two lower 8b values.*/ \ + (OUT##3) = _mm_packus_epi16(_mm_srli_epi16((IN##0), 8), \ + _mm_srli_epi16((IN##1), 8)); \ + (OUT##4) = _mm_packus_epi16(_mm_srli_epi16((IN##2), 8), \ + _mm_srli_epi16((IN##3), 8)); \ + (OUT##5) = _mm_packus_epi16(_mm_srli_epi16((IN##4), 8), \ + _mm_srli_epi16((IN##5), 8)); \ + } while (0) + +// Pack the planar buffers +// rrrr... rrrr... gggg... gggg... bbbb... bbbb.... +// triplet by triplet in the output buffer rgb as rgbrgbrgbrgb ... +static WEBP_INLINE void VP8PlanarTo24b_SSE2( + __m128i* const in0, __m128i* const in1, __m128i* const in2, + __m128i* const in3, __m128i* const in4, __m128i* const in5) { + // The input is 6 registers of sixteen 8b but for the sake of explanation, + // let's take 6 registers of four 8b values. + // To pack, we will keep taking one every two 8b integer and move it + // around as follows: + // Input: + // r0r1r2r3 | r4r5r6r7 | g0g1g2g3 | g4g5g6g7 | b0b1b2b3 | b4b5b6b7 + // Split the 6 registers in two sets of 3 registers: the first set as the even + // 8b bytes, the second the odd ones: + // r0r2r4r6 | g0g2g4g6 | b0b2b4b6 | r1r3r5r7 | g1g3g5g7 | b1b3b5b7 + // Repeat the same permutations twice more: + // r0r4g0g4 | b0b4r1r5 | g1g5b1b5 | r2r6g2g6 | b2b6r3r7 | g3g7b3b7 + // r0g0b0r1 | g1b1r2g2 | b2r3g3b3 | r4g4b4r5 | g5b5r6g6 | b6r7g7b7 + __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5; + VP8PlanarTo24bHelper(*in, tmp); + VP8PlanarTo24bHelper(tmp, *in); + VP8PlanarTo24bHelper(*in, tmp); + // We need to do it two more times than the example as we have sixteen bytes. + { + __m128i out0, out1, out2, out3, out4, out5; + VP8PlanarTo24bHelper(tmp, out); + VP8PlanarTo24bHelper(out, *in); + } +} + +#undef VP8PlanarTo24bHelper + +// Convert four packed four-channel buffers like argbargbargbargb... into the +// split channels aaaaa ... rrrr ... gggg .... bbbbb ...... +static WEBP_INLINE void VP8L32bToPlanar_SSE2(__m128i* const in0, + __m128i* const in1, + __m128i* const in2, + __m128i* const in3) { + // Column-wise transpose. + const __m128i A0 = _mm_unpacklo_epi8(*in0, *in1); + const __m128i A1 = _mm_unpackhi_epi8(*in0, *in1); + const __m128i A2 = _mm_unpacklo_epi8(*in2, *in3); + const __m128i A3 = _mm_unpackhi_epi8(*in2, *in3); + const __m128i B0 = _mm_unpacklo_epi8(A0, A1); + const __m128i B1 = _mm_unpackhi_epi8(A0, A1); + const __m128i B2 = _mm_unpacklo_epi8(A2, A3); + const __m128i B3 = _mm_unpackhi_epi8(A2, A3); + // C0 = g7 g6 ... g1 g0 | b7 b6 ... b1 b0 + // C1 = a7 a6 ... a1 a0 | r7 r6 ... r1 r0 + const __m128i C0 = _mm_unpacklo_epi8(B0, B1); + const __m128i C1 = _mm_unpackhi_epi8(B0, B1); + const __m128i C2 = _mm_unpacklo_epi8(B2, B3); + const __m128i C3 = _mm_unpackhi_epi8(B2, B3); + // Gather the channels. + *in0 = _mm_unpackhi_epi64(C1, C3); + *in1 = _mm_unpacklo_epi64(C1, C3); + *in2 = _mm_unpackhi_epi64(C0, C2); + *in3 = _mm_unpacklo_epi64(C0, C2); +} + +#endif // WEBP_USE_SSE2 + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_DSP_COMMON_SSE2_H_ diff --git a/ProductApp/Pods/libwebp/src/dsp/common_sse41.h b/ProductApp/Pods/libwebp/src/dsp/common_sse41.h new file mode 100644 index 0000000..2f173c0 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/common_sse41.h @@ -0,0 +1,132 @@ +// Copyright 2016 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// SSE4 code common to several files. +// +// Author: Vincent Rabaud (vrabaud@google.com) + +#ifndef WEBP_DSP_COMMON_SSE41_H_ +#define WEBP_DSP_COMMON_SSE41_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#if defined(WEBP_USE_SSE41) +#include + +//------------------------------------------------------------------------------ +// Channel mixing. +// Shuffles the input buffer as A0 0 0 A1 0 0 A2 ... +#define WEBP_SSE41_SHUFF(OUT, IN0, IN1) \ + OUT##0 = _mm_shuffle_epi8(*IN0, shuff0); \ + OUT##1 = _mm_shuffle_epi8(*IN0, shuff1); \ + OUT##2 = _mm_shuffle_epi8(*IN0, shuff2); \ + OUT##3 = _mm_shuffle_epi8(*IN1, shuff0); \ + OUT##4 = _mm_shuffle_epi8(*IN1, shuff1); \ + OUT##5 = _mm_shuffle_epi8(*IN1, shuff2); + +// Pack the planar buffers +// rrrr... rrrr... gggg... gggg... bbbb... bbbb.... +// triplet by triplet in the output buffer rgb as rgbrgbrgbrgb ... +static WEBP_INLINE void VP8PlanarTo24b_SSE41( + __m128i* const in0, __m128i* const in1, __m128i* const in2, + __m128i* const in3, __m128i* const in4, __m128i* const in5) { + __m128i R0, R1, R2, R3, R4, R5; + __m128i G0, G1, G2, G3, G4, G5; + __m128i B0, B1, B2, B3, B4, B5; + + // Process R. + { + const __m128i shuff0 = _mm_set_epi8( + 5, -1, -1, 4, -1, -1, 3, -1, -1, 2, -1, -1, 1, -1, -1, 0); + const __m128i shuff1 = _mm_set_epi8( + -1, 10, -1, -1, 9, -1, -1, 8, -1, -1, 7, -1, -1, 6, -1, -1); + const __m128i shuff2 = _mm_set_epi8( + -1, -1, 15, -1, -1, 14, -1, -1, 13, -1, -1, 12, -1, -1, 11, -1); + WEBP_SSE41_SHUFF(R, in0, in1) + } + + // Process G. + { + // Same as before, just shifted to the left by one and including the right + // padding. + const __m128i shuff0 = _mm_set_epi8( + -1, -1, 4, -1, -1, 3, -1, -1, 2, -1, -1, 1, -1, -1, 0, -1); + const __m128i shuff1 = _mm_set_epi8( + 10, -1, -1, 9, -1, -1, 8, -1, -1, 7, -1, -1, 6, -1, -1, 5); + const __m128i shuff2 = _mm_set_epi8( + -1, 15, -1, -1, 14, -1, -1, 13, -1, -1, 12, -1, -1, 11, -1, -1); + WEBP_SSE41_SHUFF(G, in2, in3) + } + + // Process B. + { + const __m128i shuff0 = _mm_set_epi8( + -1, 4, -1, -1, 3, -1, -1, 2, -1, -1, 1, -1, -1, 0, -1, -1); + const __m128i shuff1 = _mm_set_epi8( + -1, -1, 9, -1, -1, 8, -1, -1, 7, -1, -1, 6, -1, -1, 5, -1); + const __m128i shuff2 = _mm_set_epi8( + 15, -1, -1, 14, -1, -1, 13, -1, -1, 12, -1, -1, 11, -1, -1, 10); + WEBP_SSE41_SHUFF(B, in4, in5) + } + + // OR the different channels. + { + const __m128i RG0 = _mm_or_si128(R0, G0); + const __m128i RG1 = _mm_or_si128(R1, G1); + const __m128i RG2 = _mm_or_si128(R2, G2); + const __m128i RG3 = _mm_or_si128(R3, G3); + const __m128i RG4 = _mm_or_si128(R4, G4); + const __m128i RG5 = _mm_or_si128(R5, G5); + *in0 = _mm_or_si128(RG0, B0); + *in1 = _mm_or_si128(RG1, B1); + *in2 = _mm_or_si128(RG2, B2); + *in3 = _mm_or_si128(RG3, B3); + *in4 = _mm_or_si128(RG4, B4); + *in5 = _mm_or_si128(RG5, B5); + } +} + +#undef WEBP_SSE41_SHUFF + +// Convert four packed four-channel buffers like argbargbargbargb... into the +// split channels aaaaa ... rrrr ... gggg .... bbbbb ...... +static WEBP_INLINE void VP8L32bToPlanar_SSE41(__m128i* const in0, + __m128i* const in1, + __m128i* const in2, + __m128i* const in3) { + // aaaarrrrggggbbbb + const __m128i shuff0 = + _mm_set_epi8(15, 11, 7, 3, 14, 10, 6, 2, 13, 9, 5, 1, 12, 8, 4, 0); + const __m128i A0 = _mm_shuffle_epi8(*in0, shuff0); + const __m128i A1 = _mm_shuffle_epi8(*in1, shuff0); + const __m128i A2 = _mm_shuffle_epi8(*in2, shuff0); + const __m128i A3 = _mm_shuffle_epi8(*in3, shuff0); + // A0A1R0R1 + // G0G1B0B1 + // A2A3R2R3 + // G0G1B0B1 + const __m128i B0 = _mm_unpacklo_epi32(A0, A1); + const __m128i B1 = _mm_unpackhi_epi32(A0, A1); + const __m128i B2 = _mm_unpacklo_epi32(A2, A3); + const __m128i B3 = _mm_unpackhi_epi32(A2, A3); + *in3 = _mm_unpacklo_epi64(B0, B2); + *in2 = _mm_unpackhi_epi64(B0, B2); + *in1 = _mm_unpacklo_epi64(B1, B3); + *in0 = _mm_unpackhi_epi64(B1, B3); +} + +#endif // WEBP_USE_SSE41 + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_DSP_COMMON_SSE41_H_ diff --git a/ProductApp/Pods/libwebp/src/dsp/cost.c b/ProductApp/Pods/libwebp/src/dsp/cost.c new file mode 100644 index 0000000..73d2140 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/cost.c @@ -0,0 +1,412 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/dsp.h" +#include "src/enc/cost_enc.h" + +//------------------------------------------------------------------------------ +// Boolean-cost cost table + +const uint16_t VP8EntropyCost[256] = { + 1792, 1792, 1792, 1536, 1536, 1408, 1366, 1280, 1280, 1216, + 1178, 1152, 1110, 1076, 1061, 1024, 1024, 992, 968, 951, + 939, 911, 896, 878, 871, 854, 838, 820, 811, 794, + 786, 768, 768, 752, 740, 732, 720, 709, 704, 690, + 683, 672, 666, 655, 647, 640, 631, 622, 615, 607, + 598, 592, 586, 576, 572, 564, 559, 555, 547, 541, + 534, 528, 522, 512, 512, 504, 500, 494, 488, 483, + 477, 473, 467, 461, 458, 452, 448, 443, 438, 434, + 427, 424, 419, 415, 410, 406, 403, 399, 394, 390, + 384, 384, 377, 374, 370, 366, 362, 359, 355, 351, + 347, 342, 342, 336, 333, 330, 326, 323, 320, 316, + 312, 308, 305, 302, 299, 296, 293, 288, 287, 283, + 280, 277, 274, 272, 268, 266, 262, 256, 256, 256, + 251, 248, 245, 242, 240, 237, 234, 232, 228, 226, + 223, 221, 218, 216, 214, 211, 208, 205, 203, 201, + 198, 196, 192, 191, 188, 187, 183, 181, 179, 176, + 175, 171, 171, 168, 165, 163, 160, 159, 156, 154, + 152, 150, 148, 146, 144, 142, 139, 138, 135, 133, + 131, 128, 128, 125, 123, 121, 119, 117, 115, 113, + 111, 110, 107, 105, 103, 102, 100, 98, 96, 94, + 92, 91, 89, 86, 86, 83, 82, 80, 77, 76, + 74, 73, 71, 69, 67, 66, 64, 63, 61, 59, + 57, 55, 54, 52, 51, 49, 47, 46, 44, 43, + 41, 40, 38, 36, 35, 33, 32, 30, 29, 27, + 25, 24, 22, 21, 19, 18, 16, 15, 13, 12, + 10, 9, 7, 6, 4, 3 +}; + +//------------------------------------------------------------------------------ +// Level cost tables + +// fixed costs for coding levels, deduce from the coding tree. +// This is only the part that doesn't depend on the probability state. +const uint16_t VP8LevelFixedCosts[MAX_LEVEL + 1] = { + 0, 256, 256, 256, 256, 432, 618, 630, + 731, 640, 640, 828, 901, 948, 1021, 1101, + 1174, 1221, 1294, 1042, 1085, 1115, 1158, 1202, + 1245, 1275, 1318, 1337, 1380, 1410, 1453, 1497, + 1540, 1570, 1613, 1280, 1295, 1317, 1332, 1358, + 1373, 1395, 1410, 1454, 1469, 1491, 1506, 1532, + 1547, 1569, 1584, 1601, 1616, 1638, 1653, 1679, + 1694, 1716, 1731, 1775, 1790, 1812, 1827, 1853, + 1868, 1890, 1905, 1727, 1733, 1742, 1748, 1759, + 1765, 1774, 1780, 1800, 1806, 1815, 1821, 1832, + 1838, 1847, 1853, 1878, 1884, 1893, 1899, 1910, + 1916, 1925, 1931, 1951, 1957, 1966, 1972, 1983, + 1989, 1998, 2004, 2027, 2033, 2042, 2048, 2059, + 2065, 2074, 2080, 2100, 2106, 2115, 2121, 2132, + 2138, 2147, 2153, 2178, 2184, 2193, 2199, 2210, + 2216, 2225, 2231, 2251, 2257, 2266, 2272, 2283, + 2289, 2298, 2304, 2168, 2174, 2183, 2189, 2200, + 2206, 2215, 2221, 2241, 2247, 2256, 2262, 2273, + 2279, 2288, 2294, 2319, 2325, 2334, 2340, 2351, + 2357, 2366, 2372, 2392, 2398, 2407, 2413, 2424, + 2430, 2439, 2445, 2468, 2474, 2483, 2489, 2500, + 2506, 2515, 2521, 2541, 2547, 2556, 2562, 2573, + 2579, 2588, 2594, 2619, 2625, 2634, 2640, 2651, + 2657, 2666, 2672, 2692, 2698, 2707, 2713, 2724, + 2730, 2739, 2745, 2540, 2546, 2555, 2561, 2572, + 2578, 2587, 2593, 2613, 2619, 2628, 2634, 2645, + 2651, 2660, 2666, 2691, 2697, 2706, 2712, 2723, + 2729, 2738, 2744, 2764, 2770, 2779, 2785, 2796, + 2802, 2811, 2817, 2840, 2846, 2855, 2861, 2872, + 2878, 2887, 2893, 2913, 2919, 2928, 2934, 2945, + 2951, 2960, 2966, 2991, 2997, 3006, 3012, 3023, + 3029, 3038, 3044, 3064, 3070, 3079, 3085, 3096, + 3102, 3111, 3117, 2981, 2987, 2996, 3002, 3013, + 3019, 3028, 3034, 3054, 3060, 3069, 3075, 3086, + 3092, 3101, 3107, 3132, 3138, 3147, 3153, 3164, + 3170, 3179, 3185, 3205, 3211, 3220, 3226, 3237, + 3243, 3252, 3258, 3281, 3287, 3296, 3302, 3313, + 3319, 3328, 3334, 3354, 3360, 3369, 3375, 3386, + 3392, 3401, 3407, 3432, 3438, 3447, 3453, 3464, + 3470, 3479, 3485, 3505, 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5275, 5284, 5290, 5301, + 5307, 5316, 5322, 5345, 5351, 5360, 5366, 5377, + 5383, 5392, 5398, 5418, 5424, 5433, 5439, 5450, + 5456, 5465, 5471, 5496, 5502, 5511, 5517, 5528, + 5534, 5543, 5549, 5569, 5575, 5584, 5590, 5601, + 5607, 5616, 5622, 5417, 5423, 5432, 5438, 5449, + 5455, 5464, 5470, 5490, 5496, 5505, 5511, 5522, + 5528, 5537, 5543, 5568, 5574, 5583, 5589, 5600, + 5606, 5615, 5621, 5641, 5647, 5656, 5662, 5673, + 5679, 5688, 5694, 5717, 5723, 5732, 5738, 5749, + 5755, 5764, 5770, 5790, 5796, 5805, 5811, 5822, + 5828, 5837, 5843, 5868, 5874, 5883, 5889, 5900, + 5906, 5915, 5921, 5941, 5947, 5956, 5962, 5973, + 5979, 5988, 5994, 5858, 5864, 5873, 5879, 5890, + 5896, 5905, 5911, 5931, 5937, 5946, 5952, 5963, + 5969, 5978, 5984, 6009, 6015, 6024, 6030, 6041, + 6047, 6056, 6062, 6082, 6088, 6097, 6103, 6114, + 6120, 6129, 6135, 6158, 6164, 6173, 6179, 6190, + 6196, 6205, 6211, 6231, 6237, 6246, 6252, 6263, + 6269, 6278, 6284, 6309, 6315, 6324, 6330, 6341, + 6347, 6356, 6362, 6382, 6388, 6397, 6403, 6414, + 6420, 6429, 6435, 5303, 5309, 5318, 5324, 5335, + 5341, 5350, 5356, 5376, 5382, 5391, 5397, 5408, + 5414, 5423, 5429, 5454, 5460, 5469, 5475, 5486, + 5492, 5501, 5507, 5527, 5533, 5542, 5548, 5559, + 5565, 5574, 5580, 5603, 5609, 5618, 5624, 5635, + 5641, 5650, 5656, 5676, 5682, 5691, 5697, 5708, + 5714, 5723, 5729, 5754, 5760, 5769, 5775, 5786, + 5792, 5801, 5807, 5827, 5833, 5842, 5848, 5859, + 5865, 5874, 5880, 5744, 5750, 5759, 5765, 5776, + 5782, 5791, 5797, 5817, 5823, 5832, 5838, 5849, + 5855, 5864, 5870, 5895, 5901, 5910, 5916, 5927, + 5933, 5942, 5948, 5968, 5974, 5983, 5989, 6000, + 6006, 6015, 6021, 6044, 6050, 6059, 6065, 6076, + 6082, 6091, 6097, 6117, 6123, 6132, 6138, 6149, + 6155, 6164, 6170, 6195, 6201, 6210, 6216, 6227, + 6233, 6242, 6248, 6268, 6274, 6283, 6289, 6300, + 6306, 6315, 6321, 6116, 6122, 6131, 6137, 6148, + 6154, 6163, 6169, 6189, 6195, 6204, 6210, 6221, + 6227, 6236, 6242, 6267, 6273, 6282, 6288, 6299, + 6305, 6314, 6320, 6340, 6346, 6355, 6361, 6372, + 6378, 6387, 6393, 6416, 6422, 6431, 6437, 6448, + 6454, 6463, 6469, 6489, 6495, 6504, 6510, 6521, + 6527, 6536, 6542, 6567, 6573, 6582, 6588, 6599, + 6605, 6614, 6620, 6640, 6646, 6655, 6661, 6672, + 6678, 6687, 6693, 6557, 6563, 6572, 6578, 6589, + 6595, 6604, 6610, 6630, 6636, 6645, 6651, 6662, + 6668, 6677, 6683, 6708, 6714, 6723, 6729, 6740, + 6746, 6755, 6761, 6781, 6787, 6796, 6802, 6813, + 6819, 6828, 6834, 6857, 6863, 6872, 6878, 6889, + 6895, 6904, 6910, 6930, 6936, 6945, 6951, 6962, + 6968, 6977, 6983, 7008, 7014, 7023, 7029, 7040, + 7046, 7055, 7061, 7081, 7087, 7096, 7102, 7113, + 7119, 7128, 7134, 6392, 6398, 6407, 6413, 6424, + 6430, 6439, 6445, 6465, 6471, 6480, 6486, 6497, + 6503, 6512, 6518, 6543, 6549, 6558, 6564, 6575, + 6581, 6590, 6596, 6616, 6622, 6631, 6637, 6648, + 6654, 6663, 6669, 6692, 6698, 6707, 6713, 6724, + 6730, 6739, 6745, 6765, 6771, 6780, 6786, 6797, + 6803, 6812, 6818, 6843, 6849, 6858, 6864, 6875, + 6881, 6890, 6896, 6916, 6922, 6931, 6937, 6948, + 6954, 6963, 6969, 6833, 6839, 6848, 6854, 6865, + 6871, 6880, 6886, 6906, 6912, 6921, 6927, 6938, + 6944, 6953, 6959, 6984, 6990, 6999, 7005, 7016, + 7022, 7031, 7037, 7057, 7063, 7072, 7078, 7089, + 7095, 7104, 7110, 7133, 7139, 7148, 7154, 7165, + 7171, 7180, 7186, 7206, 7212, 7221, 7227, 7238, + 7244, 7253, 7259, 7284, 7290, 7299, 7305, 7316, + 7322, 7331, 7337, 7357, 7363, 7372, 7378, 7389, + 7395, 7404, 7410, 7205, 7211, 7220, 7226, 7237, + 7243, 7252, 7258, 7278, 7284, 7293, 7299, 7310, + 7316, 7325, 7331, 7356, 7362, 7371, 7377, 7388, + 7394, 7403, 7409, 7429, 7435, 7444, 7450, 7461, + 7467, 7476, 7482, 7505, 7511, 7520, 7526, 7537, + 7543, 7552, 7558, 7578, 7584, 7593, 7599, 7610, + 7616, 7625, 7631, 7656, 7662, 7671, 7677, 7688, + 7694, 7703, 7709, 7729, 7735, 7744, 7750, 7761 +}; + +//------------------------------------------------------------------------------ +// Tables for level coding + +const uint8_t VP8EncBands[16 + 1] = { + 0, 1, 2, 3, 6, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, + 0 // sentinel +}; + +//------------------------------------------------------------------------------ +// Mode costs + +static int GetResidualCost_C(int ctx0, const VP8Residual* const res) { + int n = res->first; + // should be prob[VP8EncBands[n]], but it's equivalent for n=0 or 1 + const int p0 = res->prob[n][ctx0][0]; + CostArrayPtr const costs = res->costs; + const uint16_t* t = costs[n][ctx0]; + // bit_cost(1, p0) is already incorporated in t[] tables, but only if ctx != 0 + // (as required by the syntax). For ctx0 == 0, we need to add it here or it'll + // be missing during the loop. + int cost = (ctx0 == 0) ? VP8BitCost(1, p0) : 0; + + if (res->last < 0) { + return VP8BitCost(0, p0); + } + for (; n < res->last; ++n) { + const int v = abs(res->coeffs[n]); + const int ctx = (v >= 2) ? 2 : v; + cost += VP8LevelCost(t, v); + t = costs[n + 1][ctx]; + } + // Last coefficient is always non-zero + { + const int v = abs(res->coeffs[n]); + assert(v != 0); + cost += VP8LevelCost(t, v); + if (n < 15) { + const int b = VP8EncBands[n + 1]; + const int ctx = (v == 1) ? 1 : 2; + const int last_p0 = res->prob[b][ctx][0]; + cost += VP8BitCost(0, last_p0); + } + } + return cost; +} + +static void SetResidualCoeffs_C(const int16_t* const coeffs, + VP8Residual* const res) { + int n; + res->last = -1; + assert(res->first == 0 || coeffs[0] == 0); + for (n = 15; n >= 0; --n) { + if (coeffs[n]) { + res->last = n; + break; + } + } + res->coeffs = coeffs; +} + +//------------------------------------------------------------------------------ +// init function + +VP8GetResidualCostFunc VP8GetResidualCost; +VP8SetResidualCoeffsFunc VP8SetResidualCoeffs; + +extern VP8CPUInfo VP8GetCPUInfo; +extern void VP8EncDspCostInitMIPS32(void); +extern void VP8EncDspCostInitMIPSdspR2(void); +extern void VP8EncDspCostInitSSE2(void); +extern void VP8EncDspCostInitNEON(void); + +WEBP_DSP_INIT_FUNC(VP8EncDspCostInit) { + VP8GetResidualCost = GetResidualCost_C; + VP8SetResidualCoeffs = SetResidualCoeffs_C; + + // If defined, use CPUInfo() to overwrite some pointers with faster versions. + if (VP8GetCPUInfo != NULL) { +#if defined(WEBP_USE_MIPS32) + if (VP8GetCPUInfo(kMIPS32)) { + VP8EncDspCostInitMIPS32(); + } +#endif +#if defined(WEBP_USE_MIPS_DSP_R2) + if (VP8GetCPUInfo(kMIPSdspR2)) { + VP8EncDspCostInitMIPSdspR2(); + } +#endif +#if defined(WEBP_HAVE_SSE2) + if (VP8GetCPUInfo(kSSE2)) { + VP8EncDspCostInitSSE2(); + } +#endif +#if defined(WEBP_HAVE_NEON) + if (VP8GetCPUInfo(kNEON)) { + VP8EncDspCostInitNEON(); + } +#endif + } +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/dsp/cost_mips32.c b/ProductApp/Pods/libwebp/src/dsp/cost_mips32.c new file mode 100644 index 0000000..0500f88 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/cost_mips32.c @@ -0,0 +1,154 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Author: Djordje Pesut (djordje.pesut@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MIPS32) + +#include "src/enc/cost_enc.h" + +static int GetResidualCost_MIPS32(int ctx0, const VP8Residual* const res) { + int temp0, temp1; + int v_reg, ctx_reg; + int n = res->first; + // should be prob[VP8EncBands[n]], but it's equivalent for n=0 or 1 + int p0 = res->prob[n][ctx0][0]; + CostArrayPtr const costs = res->costs; + const uint16_t* t = costs[n][ctx0]; + // bit_cost(1, p0) is already incorporated in t[] tables, but only if ctx != 0 + // (as required by the syntax). For ctx0 == 0, we need to add it here or it'll + // be missing during the loop. + int cost = (ctx0 == 0) ? VP8BitCost(1, p0) : 0; + const int16_t* res_coeffs = res->coeffs; + const int res_last = res->last; + const int const_max_level = MAX_VARIABLE_LEVEL; + const int const_2 = 2; + const uint16_t** p_costs = &costs[n][0]; + const size_t inc_p_costs = NUM_CTX * sizeof(*p_costs); + + if (res->last < 0) { + return VP8BitCost(0, p0); + } + + __asm__ volatile ( + ".set push \n\t" + ".set noreorder \n\t" + "subu %[temp1], %[res_last], %[n] \n\t" + "sll %[temp0], %[n], 1 \n\t" + "blez %[temp1], 2f \n\t" + " addu %[res_coeffs], %[res_coeffs], %[temp0] \n\t" + "1: \n\t" + "lh %[v_reg], 0(%[res_coeffs]) \n\t" + "addiu %[n], %[n], 1 \n\t" + "negu %[temp0], %[v_reg] \n\t" + "slti %[temp1], %[v_reg], 0 \n\t" + "movn %[v_reg], %[temp0], %[temp1] \n\t" + "sltiu %[temp0], %[v_reg], 2 \n\t" + "move %[ctx_reg], %[v_reg] \n\t" + "movz %[ctx_reg], %[const_2], %[temp0] \n\t" + "sll %[temp1], %[v_reg], 1 \n\t" + "addu %[temp1], %[temp1], %[VP8LevelFixedCosts] \n\t" + "lhu %[temp1], 0(%[temp1]) \n\t" + "slt %[temp0], %[v_reg], %[const_max_level] \n\t" + "movz %[v_reg], %[const_max_level], %[temp0] \n\t" + "addu %[cost], %[cost], %[temp1] \n\t" + "sll %[v_reg], %[v_reg], 1 \n\t" + "sll %[ctx_reg], %[ctx_reg], 2 \n\t" + "addu %[v_reg], %[v_reg], %[t] \n\t" + "lhu %[temp0], 0(%[v_reg]) \n\t" + "addu %[p_costs], %[p_costs], %[inc_p_costs] \n\t" + "addu %[t], %[p_costs], %[ctx_reg] \n\t" + "addu %[cost], %[cost], %[temp0] \n\t" + "addiu %[res_coeffs], %[res_coeffs], 2 \n\t" + "bne %[n], %[res_last], 1b \n\t" + " lw %[t], 0(%[t]) \n\t" + "2: \n\t" + ".set pop \n\t" + : [cost]"+&r"(cost), [t]"+&r"(t), [n]"+&r"(n), [v_reg]"=&r"(v_reg), + [ctx_reg]"=&r"(ctx_reg), [p_costs]"+&r"(p_costs), [temp0]"=&r"(temp0), + [temp1]"=&r"(temp1), [res_coeffs]"+&r"(res_coeffs) + : [const_2]"r"(const_2), [const_max_level]"r"(const_max_level), + [VP8LevelFixedCosts]"r"(VP8LevelFixedCosts), [res_last]"r"(res_last), + [inc_p_costs]"r"(inc_p_costs) + : "memory" + ); + + // Last coefficient is always non-zero + { + const int v = abs(res->coeffs[n]); + assert(v != 0); + cost += VP8LevelCost(t, v); + if (n < 15) { + const int b = VP8EncBands[n + 1]; + const int ctx = (v == 1) ? 1 : 2; + const int last_p0 = res->prob[b][ctx][0]; + cost += VP8BitCost(0, last_p0); + } + } + return cost; +} + +static void SetResidualCoeffs_MIPS32(const int16_t* const coeffs, + VP8Residual* const res) { + const int16_t* p_coeffs = (int16_t*)coeffs; + int temp0, temp1, temp2, n, n1; + assert(res->first == 0 || coeffs[0] == 0); + + __asm__ volatile ( + ".set push \n\t" + ".set noreorder \n\t" + "addiu %[p_coeffs], %[p_coeffs], 28 \n\t" + "li %[n], 15 \n\t" + "li %[temp2], -1 \n\t" + "0: \n\t" + "ulw %[temp0], 0(%[p_coeffs]) \n\t" + "beqz %[temp0], 1f \n\t" +#if defined(WORDS_BIGENDIAN) + " sll %[temp1], %[temp0], 16 \n\t" +#else + " srl %[temp1], %[temp0], 16 \n\t" +#endif + "addiu %[n1], %[n], -1 \n\t" + "movz %[temp0], %[n1], %[temp1] \n\t" + "movn %[temp0], %[n], %[temp1] \n\t" + "j 2f \n\t" + " addiu %[temp2], %[temp0], 0 \n\t" + "1: \n\t" + "addiu %[n], %[n], -2 \n\t" + "bgtz %[n], 0b \n\t" + " addiu %[p_coeffs], %[p_coeffs], -4 \n\t" + "2: \n\t" + ".set pop \n\t" + : [p_coeffs]"+&r"(p_coeffs), [temp0]"=&r"(temp0), + [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [n]"=&r"(n), [n1]"=&r"(n1) + : + : "memory" + ); + res->last = temp2; + res->coeffs = coeffs; +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8EncDspCostInitMIPS32(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspCostInitMIPS32(void) { + VP8GetResidualCost = GetResidualCost_MIPS32; + VP8SetResidualCoeffs = SetResidualCoeffs_MIPS32; +} + +#else // !WEBP_USE_MIPS32 + +WEBP_DSP_INIT_STUB(VP8EncDspCostInitMIPS32) + +#endif // WEBP_USE_MIPS32 diff --git a/ProductApp/Pods/libwebp/src/dsp/cost_mips_dsp_r2.c b/ProductApp/Pods/libwebp/src/dsp/cost_mips_dsp_r2.c new file mode 100644 index 0000000..51248de --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/cost_mips_dsp_r2.c @@ -0,0 +1,107 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Author: Djordje Pesut (djordje.pesut@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MIPS_DSP_R2) + +#include "src/enc/cost_enc.h" + +static int GetResidualCost_MIPSdspR2(int ctx0, const VP8Residual* const res) { + int temp0, temp1; + int v_reg, ctx_reg; + int n = res->first; + // should be prob[VP8EncBands[n]], but it's equivalent for n=0 or 1 + int p0 = res->prob[n][ctx0][0]; + CostArrayPtr const costs = res->costs; + const uint16_t* t = costs[n][ctx0]; + // bit_cost(1, p0) is already incorporated in t[] tables, but only if ctx != 0 + // (as required by the syntax). For ctx0 == 0, we need to add it here or it'll + // be missing during the loop. + int cost = (ctx0 == 0) ? VP8BitCost(1, p0) : 0; + const int16_t* res_coeffs = res->coeffs; + const int res_last = res->last; + const int const_max_level = MAX_VARIABLE_LEVEL; + const int const_2 = 2; + const uint16_t** p_costs = &costs[n][0]; + const size_t inc_p_costs = NUM_CTX * sizeof(*p_costs); + + if (res->last < 0) { + return VP8BitCost(0, p0); + } + + __asm__ volatile ( + ".set push \n\t" + ".set noreorder \n\t" + "subu %[temp1], %[res_last], %[n] \n\t" + "blez %[temp1], 2f \n\t" + " nop \n\t" + "1: \n\t" + "sll %[temp0], %[n], 1 \n\t" + "lhx %[v_reg], %[temp0](%[res_coeffs]) \n\t" + "addiu %[n], %[n], 1 \n\t" + "absq_s.w %[v_reg], %[v_reg] \n\t" + "sltiu %[temp0], %[v_reg], 2 \n\t" + "move %[ctx_reg], %[v_reg] \n\t" + "movz %[ctx_reg], %[const_2], %[temp0] \n\t" + "sll %[temp1], %[v_reg], 1 \n\t" + "lhx %[temp1], %[temp1](%[VP8LevelFixedCosts]) \n\t" + "slt %[temp0], %[v_reg], %[const_max_level] \n\t" + "movz %[v_reg], %[const_max_level], %[temp0] \n\t" + "addu %[cost], %[cost], %[temp1] \n\t" + "sll %[v_reg], %[v_reg], 1 \n\t" + "sll %[ctx_reg], %[ctx_reg], 2 \n\t" + "lhx %[temp0], %[v_reg](%[t]) \n\t" + "addu %[p_costs], %[p_costs], %[inc_p_costs] \n\t" + "addu %[t], %[p_costs], %[ctx_reg] \n\t" + "addu %[cost], %[cost], %[temp0] \n\t" + "bne %[n], %[res_last], 1b \n\t" + " lw %[t], 0(%[t]) \n\t" + "2: \n\t" + ".set pop \n\t" + : [cost]"+&r"(cost), [t]"+&r"(t), [n]"+&r"(n), [v_reg]"=&r"(v_reg), + [ctx_reg]"=&r"(ctx_reg), [p_costs]"+&r"(p_costs), [temp0]"=&r"(temp0), + [temp1]"=&r"(temp1) + : [const_2]"r"(const_2), [const_max_level]"r"(const_max_level), + [VP8LevelFixedCosts]"r"(VP8LevelFixedCosts), [res_last]"r"(res_last), + [res_coeffs]"r"(res_coeffs), [inc_p_costs]"r"(inc_p_costs) + : "memory" + ); + + // Last coefficient is always non-zero + { + const int v = abs(res->coeffs[n]); + assert(v != 0); + cost += VP8LevelCost(t, v); + if (n < 15) { + const int b = VP8EncBands[n + 1]; + const int ctx = (v == 1) ? 1 : 2; + const int last_p0 = res->prob[b][ctx][0]; + cost += VP8BitCost(0, last_p0); + } + } + return cost; +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8EncDspCostInitMIPSdspR2(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspCostInitMIPSdspR2(void) { + VP8GetResidualCost = GetResidualCost_MIPSdspR2; +} + +#else // !WEBP_USE_MIPS_DSP_R2 + +WEBP_DSP_INIT_STUB(VP8EncDspCostInitMIPSdspR2) + +#endif // WEBP_USE_MIPS_DSP_R2 diff --git a/ProductApp/Pods/libwebp/src/dsp/cost_neon.c b/ProductApp/Pods/libwebp/src/dsp/cost_neon.c new file mode 100644 index 0000000..6582669 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/cost_neon.c @@ -0,0 +1,122 @@ +// Copyright 2018 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// ARM NEON version of cost functions + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_NEON) + +#include "src/dsp/neon.h" +#include "src/enc/cost_enc.h" + +static const uint8_t position[16] = { 1, 2, 3, 4, 5, 6, 7, 8, + 9, 10, 11, 12, 13, 14, 15, 16 }; + +static void SetResidualCoeffs_NEON(const int16_t* const coeffs, + VP8Residual* const res) { + const int16x8_t minus_one = vdupq_n_s16(-1); + const int16x8_t coeffs_0 = vld1q_s16(coeffs); + const int16x8_t coeffs_1 = vld1q_s16(coeffs + 8); + const uint16x8_t eob_0 = vtstq_s16(coeffs_0, minus_one); + const uint16x8_t eob_1 = vtstq_s16(coeffs_1, minus_one); + const uint8x16_t eob = vcombine_u8(vqmovn_u16(eob_0), vqmovn_u16(eob_1)); + const uint8x16_t masked = vandq_u8(eob, vld1q_u8(position)); + +#if WEBP_AARCH64 + res->last = vmaxvq_u8(masked) - 1; +#else + const uint8x8_t eob_8x8 = vmax_u8(vget_low_u8(masked), vget_high_u8(masked)); + const uint16x8_t eob_16x8 = vmovl_u8(eob_8x8); + const uint16x4_t eob_16x4 = + vmax_u16(vget_low_u16(eob_16x8), vget_high_u16(eob_16x8)); + const uint32x4_t eob_32x4 = vmovl_u16(eob_16x4); + uint32x2_t eob_32x2 = + vmax_u32(vget_low_u32(eob_32x4), vget_high_u32(eob_32x4)); + eob_32x2 = vpmax_u32(eob_32x2, eob_32x2); + + vst1_lane_s32(&res->last, vreinterpret_s32_u32(eob_32x2), 0); + --res->last; +#endif // WEBP_AARCH64 + + res->coeffs = coeffs; +} + +static int GetResidualCost_NEON(int ctx0, const VP8Residual* const res) { + uint8_t levels[16], ctxs[16]; + uint16_t abs_levels[16]; + int n = res->first; + // should be prob[VP8EncBands[n]], but it's equivalent for n=0 or 1 + const int p0 = res->prob[n][ctx0][0]; + CostArrayPtr const costs = res->costs; + const uint16_t* t = costs[n][ctx0]; + // bit_cost(1, p0) is already incorporated in t[] tables, but only if ctx != 0 + // (as required by the syntax). For ctx0 == 0, we need to add it here or it'll + // be missing during the loop. + int cost = (ctx0 == 0) ? VP8BitCost(1, p0) : 0; + + if (res->last < 0) { + return VP8BitCost(0, p0); + } + + { // precompute clamped levels and contexts, packed to 8b. + const uint8x16_t kCst2 = vdupq_n_u8(2); + const uint8x16_t kCst67 = vdupq_n_u8(MAX_VARIABLE_LEVEL); + const int16x8_t c0 = vld1q_s16(res->coeffs); + const int16x8_t c1 = vld1q_s16(res->coeffs + 8); + const uint16x8_t E0 = vreinterpretq_u16_s16(vabsq_s16(c0)); + const uint16x8_t E1 = vreinterpretq_u16_s16(vabsq_s16(c1)); + const uint8x16_t F = vcombine_u8(vqmovn_u16(E0), vqmovn_u16(E1)); + const uint8x16_t G = vminq_u8(F, kCst2); // context = 0,1,2 + const uint8x16_t H = vminq_u8(F, kCst67); // clamp_level in [0..67] + + vst1q_u8(ctxs, G); + vst1q_u8(levels, H); + + vst1q_u16(abs_levels, E0); + vst1q_u16(abs_levels + 8, E1); + } + for (; n < res->last; ++n) { + const int ctx = ctxs[n]; + const int level = levels[n]; + const int flevel = abs_levels[n]; // full level + cost += VP8LevelFixedCosts[flevel] + t[level]; // simplified VP8LevelCost() + t = costs[n + 1][ctx]; + } + // Last coefficient is always non-zero + { + const int level = levels[n]; + const int flevel = abs_levels[n]; + assert(flevel != 0); + cost += VP8LevelFixedCosts[flevel] + t[level]; + if (n < 15) { + const int b = VP8EncBands[n + 1]; + const int ctx = ctxs[n]; + const int last_p0 = res->prob[b][ctx][0]; + cost += VP8BitCost(0, last_p0); + } + } + return cost; +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8EncDspCostInitNEON(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspCostInitNEON(void) { + VP8SetResidualCoeffs = SetResidualCoeffs_NEON; + VP8GetResidualCost = GetResidualCost_NEON; +} + +#else // !WEBP_USE_NEON + +WEBP_DSP_INIT_STUB(VP8EncDspCostInitNEON) + +#endif // WEBP_USE_NEON diff --git a/ProductApp/Pods/libwebp/src/dsp/cost_sse2.c b/ProductApp/Pods/libwebp/src/dsp/cost_sse2.c new file mode 100644 index 0000000..487a079 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/cost_sse2.c @@ -0,0 +1,119 @@ +// Copyright 2015 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// SSE2 version of cost functions +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_SSE2) +#include + +#include "src/enc/cost_enc.h" +#include "src/enc/vp8i_enc.h" +#include "src/utils/utils.h" + +//------------------------------------------------------------------------------ + +static void SetResidualCoeffs_SSE2(const int16_t* const coeffs, + VP8Residual* const res) { + const __m128i c0 = _mm_loadu_si128((const __m128i*)(coeffs + 0)); + const __m128i c1 = _mm_loadu_si128((const __m128i*)(coeffs + 8)); + // Use SSE2 to compare 16 values with a single instruction. + const __m128i zero = _mm_setzero_si128(); + const __m128i m0 = _mm_packs_epi16(c0, c1); + const __m128i m1 = _mm_cmpeq_epi8(m0, zero); + // Get the comparison results as a bitmask into 16bits. Negate the mask to get + // the position of entries that are not equal to zero. We don't need to mask + // out least significant bits according to res->first, since coeffs[0] is 0 + // if res->first > 0. + const uint32_t mask = 0x0000ffffu ^ (uint32_t)_mm_movemask_epi8(m1); + // The position of the most significant non-zero bit indicates the position of + // the last non-zero value. + assert(res->first == 0 || coeffs[0] == 0); + res->last = mask ? BitsLog2Floor(mask) : -1; + res->coeffs = coeffs; +} + +static int GetResidualCost_SSE2(int ctx0, const VP8Residual* const res) { + uint8_t levels[16], ctxs[16]; + uint16_t abs_levels[16]; + int n = res->first; + // should be prob[VP8EncBands[n]], but it's equivalent for n=0 or 1 + const int p0 = res->prob[n][ctx0][0]; + CostArrayPtr const costs = res->costs; + const uint16_t* t = costs[n][ctx0]; + // bit_cost(1, p0) is already incorporated in t[] tables, but only if ctx != 0 + // (as required by the syntax). For ctx0 == 0, we need to add it here or it'll + // be missing during the loop. + int cost = (ctx0 == 0) ? VP8BitCost(1, p0) : 0; + + if (res->last < 0) { + return VP8BitCost(0, p0); + } + + { // precompute clamped levels and contexts, packed to 8b. + const __m128i zero = _mm_setzero_si128(); + const __m128i kCst2 = _mm_set1_epi8(2); + const __m128i kCst67 = _mm_set1_epi8(MAX_VARIABLE_LEVEL); + const __m128i c0 = _mm_loadu_si128((const __m128i*)&res->coeffs[0]); + const __m128i c1 = _mm_loadu_si128((const __m128i*)&res->coeffs[8]); + const __m128i D0 = _mm_sub_epi16(zero, c0); + const __m128i D1 = _mm_sub_epi16(zero, c1); + const __m128i E0 = _mm_max_epi16(c0, D0); // abs(v), 16b + const __m128i E1 = _mm_max_epi16(c1, D1); + const __m128i F = _mm_packs_epi16(E0, E1); + const __m128i G = _mm_min_epu8(F, kCst2); // context = 0,1,2 + const __m128i H = _mm_min_epu8(F, kCst67); // clamp_level in [0..67] + + _mm_storeu_si128((__m128i*)&ctxs[0], G); + _mm_storeu_si128((__m128i*)&levels[0], H); + + _mm_storeu_si128((__m128i*)&abs_levels[0], E0); + _mm_storeu_si128((__m128i*)&abs_levels[8], E1); + } + for (; n < res->last; ++n) { + const int ctx = ctxs[n]; + const int level = levels[n]; + const int flevel = abs_levels[n]; // full level + cost += VP8LevelFixedCosts[flevel] + t[level]; // simplified VP8LevelCost() + t = costs[n + 1][ctx]; + } + // Last coefficient is always non-zero + { + const int level = levels[n]; + const int flevel = abs_levels[n]; + assert(flevel != 0); + cost += VP8LevelFixedCosts[flevel] + t[level]; + if (n < 15) { + const int b = VP8EncBands[n + 1]; + const int ctx = ctxs[n]; + const int last_p0 = res->prob[b][ctx][0]; + cost += VP8BitCost(0, last_p0); + } + } + return cost; +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8EncDspCostInitSSE2(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspCostInitSSE2(void) { + VP8SetResidualCoeffs = SetResidualCoeffs_SSE2; + VP8GetResidualCost = GetResidualCost_SSE2; +} + +#else // !WEBP_USE_SSE2 + +WEBP_DSP_INIT_STUB(VP8EncDspCostInitSSE2) + +#endif // WEBP_USE_SSE2 diff --git a/ProductApp/Pods/libwebp/src/dsp/cpu.c b/ProductApp/Pods/libwebp/src/dsp/cpu.c new file mode 100644 index 0000000..2234c77 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/cpu.c @@ -0,0 +1,259 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// CPU detection +// +// Author: Christian Duvivier (cduvivier@google.com) + +#include "src/dsp/cpu.h" + +#if defined(WEBP_HAVE_NEON_RTCD) +#include +#include +#endif + +#if defined(WEBP_ANDROID_NEON) +#include +#endif + +//------------------------------------------------------------------------------ +// SSE2 detection. +// + +// apple/darwin gcc-4.0.1 defines __PIC__, but not __pic__ with -fPIC. +#if (defined(__pic__) || defined(__PIC__)) && defined(__i386__) +static WEBP_INLINE void GetCPUInfo(int cpu_info[4], int info_type) { + __asm__ volatile ( + "mov %%ebx, %%edi\n" + "cpuid\n" + "xchg %%edi, %%ebx\n" + : "=a"(cpu_info[0]), "=D"(cpu_info[1]), "=c"(cpu_info[2]), "=d"(cpu_info[3]) + : "a"(info_type), "c"(0)); +} +#elif defined(__x86_64__) && \ + (defined(__code_model_medium__) || defined(__code_model_large__)) && \ + defined(__PIC__) +static WEBP_INLINE void GetCPUInfo(int cpu_info[4], int info_type) { + __asm__ volatile ( + "xchg{q}\t{%%rbx}, %q1\n" + "cpuid\n" + "xchg{q}\t{%%rbx}, %q1\n" + : "=a"(cpu_info[0]), "=&r"(cpu_info[1]), "=c"(cpu_info[2]), + "=d"(cpu_info[3]) + : "a"(info_type), "c"(0)); +} +#elif defined(__i386__) || defined(__x86_64__) +static WEBP_INLINE void GetCPUInfo(int cpu_info[4], int info_type) { + __asm__ volatile ( + "cpuid\n" + : "=a"(cpu_info[0]), "=b"(cpu_info[1]), "=c"(cpu_info[2]), "=d"(cpu_info[3]) + : "a"(info_type), "c"(0)); +} +#elif defined(_MSC_VER) && (defined(_M_X64) || defined(_M_IX86)) + +#if defined(_MSC_FULL_VER) && _MSC_FULL_VER >= 150030729 // >= VS2008 SP1 +#include +#define GetCPUInfo(info, type) __cpuidex(info, type, 0) // set ecx=0 +#define WEBP_HAVE_MSC_CPUID +#elif _MSC_VER > 1310 +#include +#define GetCPUInfo __cpuid +#define WEBP_HAVE_MSC_CPUID +#endif + +#endif + +// NaCl has no support for xgetbv or the raw opcode. +#if !defined(__native_client__) && (defined(__i386__) || defined(__x86_64__)) +static WEBP_INLINE uint64_t xgetbv(void) { + const uint32_t ecx = 0; + uint32_t eax, edx; + // Use the raw opcode for xgetbv for compatibility with older toolchains. + __asm__ volatile ( + ".byte 0x0f, 0x01, 0xd0\n" + : "=a"(eax), "=d"(edx) : "c" (ecx)); + return ((uint64_t)edx << 32) | eax; +} +#elif (defined(_M_X64) || defined(_M_IX86)) && \ + defined(_MSC_FULL_VER) && _MSC_FULL_VER >= 160040219 // >= VS2010 SP1 +#include +#define xgetbv() _xgetbv(0) +#elif defined(_MSC_VER) && defined(_M_IX86) +static WEBP_INLINE uint64_t xgetbv(void) { + uint32_t eax_, edx_; + __asm { + xor ecx, ecx // ecx = 0 + // Use the raw opcode for xgetbv for compatibility with older toolchains. + __asm _emit 0x0f __asm _emit 0x01 __asm _emit 0xd0 + mov eax_, eax + mov edx_, edx + } + return ((uint64_t)edx_ << 32) | eax_; +} +#else +#define xgetbv() 0U // no AVX for older x64 or unrecognized toolchains. +#endif + +#if defined(__i386__) || defined(__x86_64__) || defined(WEBP_HAVE_MSC_CPUID) + +// helper function for run-time detection of slow SSSE3 platforms +static int CheckSlowModel(int info) { + // Table listing display models with longer latencies for the bsr instruction + // (ie 2 cycles vs 10/16 cycles) and some SSSE3 instructions like pshufb. + // Refer to Intel 64 and IA-32 Architectures Optimization Reference Manual. + static const uint8_t kSlowModels[] = { + 0x37, 0x4a, 0x4d, // Silvermont Microarchitecture + 0x1c, 0x26, 0x27 // Atom Microarchitecture + }; + const uint32_t model = ((info & 0xf0000) >> 12) | ((info >> 4) & 0xf); + const uint32_t family = (info >> 8) & 0xf; + if (family == 0x06) { + size_t i; + for (i = 0; i < sizeof(kSlowModels) / sizeof(kSlowModels[0]); ++i) { + if (model == kSlowModels[i]) return 1; + } + } + return 0; +} + +static int x86CPUInfo(CPUFeature feature) { + int max_cpuid_value; + int cpu_info[4]; + int is_intel = 0; + + // get the highest feature value cpuid supports + GetCPUInfo(cpu_info, 0); + max_cpuid_value = cpu_info[0]; + if (max_cpuid_value < 1) { + return 0; + } else { + const int VENDOR_ID_INTEL_EBX = 0x756e6547; // uneG + const int VENDOR_ID_INTEL_EDX = 0x49656e69; // Ieni + const int VENDOR_ID_INTEL_ECX = 0x6c65746e; // letn + is_intel = (cpu_info[1] == VENDOR_ID_INTEL_EBX && + cpu_info[2] == VENDOR_ID_INTEL_ECX && + cpu_info[3] == VENDOR_ID_INTEL_EDX); // genuine Intel? + } + + GetCPUInfo(cpu_info, 1); + if (feature == kSSE2) { + return !!(cpu_info[3] & (1 << 26)); + } + if (feature == kSSE3) { + return !!(cpu_info[2] & (1 << 0)); + } + if (feature == kSlowSSSE3) { + if (is_intel && (cpu_info[2] & (1 << 9))) { // SSSE3? + return CheckSlowModel(cpu_info[0]); + } + return 0; + } + + if (feature == kSSE4_1) { + return !!(cpu_info[2] & (1 << 19)); + } + if (feature == kAVX) { + // bits 27 (OSXSAVE) & 28 (256-bit AVX) + if ((cpu_info[2] & 0x18000000) == 0x18000000) { + // XMM state and YMM state enabled by the OS. + return (xgetbv() & 0x6) == 0x6; + } + } + if (feature == kAVX2) { + if (x86CPUInfo(kAVX) && max_cpuid_value >= 7) { + GetCPUInfo(cpu_info, 7); + return !!(cpu_info[1] & (1 << 5)); + } + } + return 0; +} +WEBP_EXTERN VP8CPUInfo VP8GetCPUInfo; +VP8CPUInfo VP8GetCPUInfo = x86CPUInfo; +#elif defined(WEBP_ANDROID_NEON) // NB: needs to be before generic NEON test. +static int AndroidCPUInfo(CPUFeature feature) { + const AndroidCpuFamily cpu_family = android_getCpuFamily(); + const uint64_t cpu_features = android_getCpuFeatures(); + if (feature == kNEON) { + return cpu_family == ANDROID_CPU_FAMILY_ARM && + (cpu_features & ANDROID_CPU_ARM_FEATURE_NEON) != 0; + } + return 0; +} +WEBP_EXTERN VP8CPUInfo VP8GetCPUInfo; +VP8CPUInfo VP8GetCPUInfo = AndroidCPUInfo; +#elif defined(EMSCRIPTEN) // also needs to be before generic NEON test +// Use compile flags as an indicator of SIMD support instead of a runtime check. +static int wasmCPUInfo(CPUFeature feature) { + switch (feature) { +#ifdef WEBP_HAVE_SSE2 + case kSSE2: + return 1; +#endif +#ifdef WEBP_HAVE_SSE41 + case kSSE3: + case kSlowSSSE3: + case kSSE4_1: + return 1; +#endif +#ifdef WEBP_HAVE_NEON + case kNEON: + return 1; +#endif + default: + break; + } + return 0; +} +WEBP_EXTERN VP8CPUInfo VP8GetCPUInfo; +VP8CPUInfo VP8GetCPUInfo = wasmCPUInfo; +#elif defined(WEBP_HAVE_NEON) +// In most cases this function doesn't check for NEON support (it's assumed by +// the configuration), but enables turning off NEON at runtime, for testing +// purposes, by setting VP8GetCPUInfo = NULL. +static int armCPUInfo(CPUFeature feature) { + if (feature != kNEON) return 0; +#if defined(__linux__) && defined(WEBP_HAVE_NEON_RTCD) + { + int has_neon = 0; + char line[200]; + FILE* const cpuinfo = fopen("/proc/cpuinfo", "r"); + if (cpuinfo == NULL) return 0; + while (fgets(line, sizeof(line), cpuinfo)) { + if (!strncmp(line, "Features", 8)) { + if (strstr(line, " neon ") != NULL) { + has_neon = 1; + break; + } + } + } + fclose(cpuinfo); + return has_neon; + } +#else + return 1; +#endif +} +WEBP_EXTERN VP8CPUInfo VP8GetCPUInfo; +VP8CPUInfo VP8GetCPUInfo = armCPUInfo; +#elif defined(WEBP_USE_MIPS32) || defined(WEBP_USE_MIPS_DSP_R2) || \ + defined(WEBP_USE_MSA) +static int mipsCPUInfo(CPUFeature feature) { + if ((feature == kMIPS32) || (feature == kMIPSdspR2) || (feature == kMSA)) { + return 1; + } else { + return 0; + } + +} +WEBP_EXTERN VP8CPUInfo VP8GetCPUInfo; +VP8CPUInfo VP8GetCPUInfo = mipsCPUInfo; +#else +WEBP_EXTERN VP8CPUInfo VP8GetCPUInfo; +VP8CPUInfo VP8GetCPUInfo = NULL; +#endif diff --git a/ProductApp/Pods/libwebp/src/dsp/cpu.h b/ProductApp/Pods/libwebp/src/dsp/cpu.h new file mode 100644 index 0000000..c86540f --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/cpu.h @@ -0,0 +1,266 @@ +// Copyright 2022 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// CPU detection functions and macros. +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_DSP_CPU_H_ +#define WEBP_DSP_CPU_H_ + +#include + +#ifdef HAVE_CONFIG_H +#include "src/webp/config.h" +#endif + +#include "src/webp/types.h" + +#if defined(__GNUC__) +#define LOCAL_GCC_VERSION ((__GNUC__ << 8) | __GNUC_MINOR__) +#define LOCAL_GCC_PREREQ(maj, min) (LOCAL_GCC_VERSION >= (((maj) << 8) | (min))) +#else +#define LOCAL_GCC_VERSION 0 +#define LOCAL_GCC_PREREQ(maj, min) 0 +#endif + +#if defined(__clang__) +#define LOCAL_CLANG_VERSION ((__clang_major__ << 8) | __clang_minor__) +#define LOCAL_CLANG_PREREQ(maj, min) \ + (LOCAL_CLANG_VERSION >= (((maj) << 8) | (min))) +#else +#define LOCAL_CLANG_VERSION 0 +#define LOCAL_CLANG_PREREQ(maj, min) 0 +#endif + +#ifndef __has_builtin +#define __has_builtin(x) 0 +#endif + +//------------------------------------------------------------------------------ +// x86 defines. + +#if !defined(HAVE_CONFIG_H) +#if defined(_MSC_VER) && _MSC_VER > 1310 && \ + (defined(_M_X64) || defined(_M_IX86)) +#define WEBP_MSC_SSE2 // Visual C++ SSE2 targets +#endif + +#if defined(_MSC_VER) && _MSC_VER >= 1500 && \ + (defined(_M_X64) || defined(_M_IX86)) +#define WEBP_MSC_SSE41 // Visual C++ SSE4.1 targets +#endif +#endif + +// WEBP_HAVE_* are used to indicate the presence of the instruction set in dsp +// files without intrinsics, allowing the corresponding Init() to be called. +// Files containing intrinsics will need to be built targeting the instruction +// set so should succeed on one of the earlier tests. +#if (defined(__SSE2__) || defined(WEBP_MSC_SSE2)) && \ + (!defined(HAVE_CONFIG_H) || defined(WEBP_HAVE_SSE2)) +#define WEBP_USE_SSE2 +#endif + +#if defined(WEBP_USE_SSE2) && !defined(WEBP_HAVE_SSE2) +#define WEBP_HAVE_SSE2 +#endif + +#if (defined(__SSE4_1__) || defined(WEBP_MSC_SSE41)) && \ + (!defined(HAVE_CONFIG_H) || defined(WEBP_HAVE_SSE41)) +#define WEBP_USE_SSE41 +#endif + +#if defined(WEBP_USE_SSE41) && !defined(WEBP_HAVE_SSE41) +#define WEBP_HAVE_SSE41 +#endif + +#undef WEBP_MSC_SSE41 +#undef WEBP_MSC_SSE2 + +//------------------------------------------------------------------------------ +// Arm defines. + +// The intrinsics currently cause compiler errors with arm-nacl-gcc and the +// inline assembly would need to be modified for use with Native Client. +#if ((defined(__ARM_NEON__) || defined(__aarch64__)) && \ + (!defined(HAVE_CONFIG_H) || defined(WEBP_HAVE_NEON))) && \ + !defined(__native_client__) +#define WEBP_USE_NEON +#endif + +#if !defined(WEBP_USE_NEON) && defined(__ANDROID__) && \ + defined(__ARM_ARCH_7A__) && defined(HAVE_CPU_FEATURES_H) +#define WEBP_ANDROID_NEON // Android targets that may have NEON +#define WEBP_USE_NEON +#endif + +// Note: ARM64 is supported in Visual Studio 2017, but requires the direct +// inclusion of arm64_neon.h; Visual Studio 2019 includes this file in +// arm_neon.h. Compile errors were seen with Visual Studio 2019 16.4 with +// vtbl4_u8(); a fix was made in 16.6. +#if defined(_MSC_VER) && \ + ((_MSC_VER >= 1700 && defined(_M_ARM)) || \ + (_MSC_VER >= 1926 && (defined(_M_ARM64) || defined(_M_ARM64EC)))) +#define WEBP_USE_NEON +#define WEBP_USE_INTRINSICS +#endif + +#if defined(__aarch64__) || defined(_M_ARM64) || defined(_M_ARM64EC) +#define WEBP_AARCH64 1 +#else +#define WEBP_AARCH64 0 +#endif + +#if defined(WEBP_USE_NEON) && !defined(WEBP_HAVE_NEON) +#define WEBP_HAVE_NEON +#endif + +//------------------------------------------------------------------------------ +// MIPS defines. + +#if defined(__mips__) && !defined(__mips64) && defined(__mips_isa_rev) && \ + (__mips_isa_rev >= 1) && (__mips_isa_rev < 6) +#define WEBP_USE_MIPS32 +#if (__mips_isa_rev >= 2) +#define WEBP_USE_MIPS32_R2 +#if defined(__mips_dspr2) || (defined(__mips_dsp_rev) && __mips_dsp_rev >= 2) +#define WEBP_USE_MIPS_DSP_R2 +#endif +#endif +#endif + +#if defined(__mips_msa) && defined(__mips_isa_rev) && (__mips_isa_rev >= 5) +#define WEBP_USE_MSA +#endif + +//------------------------------------------------------------------------------ + +#ifndef WEBP_DSP_OMIT_C_CODE +#define WEBP_DSP_OMIT_C_CODE 1 +#endif + +#if defined(WEBP_USE_NEON) && WEBP_DSP_OMIT_C_CODE +#define WEBP_NEON_OMIT_C_CODE 1 +#else +#define WEBP_NEON_OMIT_C_CODE 0 +#endif + +#if !(LOCAL_CLANG_PREREQ(3, 8) || LOCAL_GCC_PREREQ(4, 8) || WEBP_AARCH64) +#define WEBP_NEON_WORK_AROUND_GCC 1 +#else +#define WEBP_NEON_WORK_AROUND_GCC 0 +#endif + +//------------------------------------------------------------------------------ + +// This macro prevents thread_sanitizer from reporting known concurrent writes. +#define WEBP_TSAN_IGNORE_FUNCTION +#if defined(__has_feature) +#if __has_feature(thread_sanitizer) +#undef WEBP_TSAN_IGNORE_FUNCTION +#define WEBP_TSAN_IGNORE_FUNCTION __attribute__((no_sanitize_thread)) +#endif +#endif + +#if defined(__has_feature) +#if __has_feature(memory_sanitizer) +#define WEBP_MSAN +#endif +#endif + +#if defined(WEBP_USE_THREAD) && !defined(_WIN32) +#include // NOLINT + +#define WEBP_DSP_INIT(func) \ + do { \ + static volatile VP8CPUInfo func##_last_cpuinfo_used = \ + (VP8CPUInfo)&func##_last_cpuinfo_used; \ + static pthread_mutex_t func##_lock = PTHREAD_MUTEX_INITIALIZER; \ + if (pthread_mutex_lock(&func##_lock)) break; \ + if (func##_last_cpuinfo_used != VP8GetCPUInfo) func(); \ + func##_last_cpuinfo_used = VP8GetCPUInfo; \ + (void)pthread_mutex_unlock(&func##_lock); \ + } while (0) +#else // !(defined(WEBP_USE_THREAD) && !defined(_WIN32)) +#define WEBP_DSP_INIT(func) \ + do { \ + static volatile VP8CPUInfo func##_last_cpuinfo_used = \ + (VP8CPUInfo)&func##_last_cpuinfo_used; \ + if (func##_last_cpuinfo_used == VP8GetCPUInfo) break; \ + func(); \ + func##_last_cpuinfo_used = VP8GetCPUInfo; \ + } while (0) +#endif // defined(WEBP_USE_THREAD) && !defined(_WIN32) + +// Defines an Init + helper function that control multiple initialization of +// function pointers / tables. +/* Usage: + WEBP_DSP_INIT_FUNC(InitFunc) { + ...function body + } +*/ +#define WEBP_DSP_INIT_FUNC(name) \ + static WEBP_TSAN_IGNORE_FUNCTION void name##_body(void); \ + WEBP_TSAN_IGNORE_FUNCTION void name(void) { WEBP_DSP_INIT(name##_body); } \ + static WEBP_TSAN_IGNORE_FUNCTION void name##_body(void) + +#define WEBP_UBSAN_IGNORE_UNDEF +#define WEBP_UBSAN_IGNORE_UNSIGNED_OVERFLOW +#if defined(__clang__) && defined(__has_attribute) +#if __has_attribute(no_sanitize) +// This macro prevents the undefined behavior sanitizer from reporting +// failures. This is only meant to silence unaligned loads on platforms that +// are known to support them. +#undef WEBP_UBSAN_IGNORE_UNDEF +#define WEBP_UBSAN_IGNORE_UNDEF __attribute__((no_sanitize("undefined"))) + +// This macro prevents the undefined behavior sanitizer from reporting +// failures related to unsigned integer overflows. This is only meant to +// silence cases where this well defined behavior is expected. +#undef WEBP_UBSAN_IGNORE_UNSIGNED_OVERFLOW +#define WEBP_UBSAN_IGNORE_UNSIGNED_OVERFLOW \ + __attribute__((no_sanitize("unsigned-integer-overflow"))) +#endif +#endif + +// If 'ptr' is NULL, returns NULL. Otherwise returns 'ptr + off'. +// Prevents undefined behavior sanitizer nullptr-with-nonzero-offset warning. +#if !defined(WEBP_OFFSET_PTR) +#define WEBP_OFFSET_PTR(ptr, off) (((ptr) == NULL) ? NULL : ((ptr) + (off))) +#endif + +// Regularize the definition of WEBP_SWAP_16BIT_CSP (backward compatibility) +#if !defined(WEBP_SWAP_16BIT_CSP) +#define WEBP_SWAP_16BIT_CSP 0 +#endif + +// some endian fix (e.g.: mips-gcc doesn't define __BIG_ENDIAN__) +#if !defined(WORDS_BIGENDIAN) && \ + (defined(__BIG_ENDIAN__) || defined(_M_PPC) || \ + (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__))) +#define WORDS_BIGENDIAN +#endif + +typedef enum { + kSSE2, + kSSE3, + kSlowSSSE3, // special feature for slow SSSE3 architectures + kSSE4_1, + kAVX, + kAVX2, + kNEON, + kMIPS32, + kMIPSdspR2, + kMSA +} CPUFeature; + +// returns true if the CPU supports the feature. +typedef int (*VP8CPUInfo)(CPUFeature feature); + +#endif // WEBP_DSP_CPU_H_ diff --git a/ProductApp/Pods/libwebp/src/dsp/dec.c b/ProductApp/Pods/libwebp/src/dsp/dec.c new file mode 100644 index 0000000..33d8df8 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/dec.c @@ -0,0 +1,888 @@ +// Copyright 2010 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Speed-critical decoding functions, default plain-C implementations. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include + +#include "src/dsp/dsp.h" +#include "src/dec/vp8i_dec.h" +#include "src/utils/utils.h" + +//------------------------------------------------------------------------------ + +static WEBP_INLINE uint8_t clip_8b(int v) { + return (!(v & ~0xff)) ? v : (v < 0) ? 0 : 255; +} + +//------------------------------------------------------------------------------ +// Transforms (Paragraph 14.4) + +#define STORE(x, y, v) \ + dst[(x) + (y) * BPS] = clip_8b(dst[(x) + (y) * BPS] + ((v) >> 3)) + +#define STORE2(y, dc, d, c) do { \ + const int DC = (dc); \ + STORE(0, y, DC + (d)); \ + STORE(1, y, DC + (c)); \ + STORE(2, y, DC - (c)); \ + STORE(3, y, DC - (d)); \ +} while (0) + +#define MUL1(a) ((((a) * 20091) >> 16) + (a)) +#define MUL2(a) (((a) * 35468) >> 16) + +#if !WEBP_NEON_OMIT_C_CODE +static void TransformOne_C(const int16_t* in, uint8_t* dst) { + int C[4 * 4], *tmp; + int i; + tmp = C; + for (i = 0; i < 4; ++i) { // vertical pass + const int a = in[0] + in[8]; // [-4096, 4094] + const int b = in[0] - in[8]; // [-4095, 4095] + const int c = MUL2(in[4]) - MUL1(in[12]); // [-3783, 3783] + const int d = MUL1(in[4]) + MUL2(in[12]); // [-3785, 3781] + tmp[0] = a + d; // [-7881, 7875] + tmp[1] = b + c; // [-7878, 7878] + tmp[2] = b - c; // [-7878, 7878] + tmp[3] = a - d; // [-7877, 7879] + tmp += 4; + in++; + } + // Each pass is expanding the dynamic range by ~3.85 (upper bound). + // The exact value is (2. + (20091 + 35468) / 65536). + // After the second pass, maximum interval is [-3794, 3794], assuming + // an input in [-2048, 2047] interval. We then need to add a dst value + // in the [0, 255] range. + // In the worst case scenario, the input to clip_8b() can be as large as + // [-60713, 60968]. + tmp = C; + for (i = 0; i < 4; ++i) { // horizontal pass + const int dc = tmp[0] + 4; + const int a = dc + tmp[8]; + const int b = dc - tmp[8]; + const int c = MUL2(tmp[4]) - MUL1(tmp[12]); + const int d = MUL1(tmp[4]) + MUL2(tmp[12]); + STORE(0, 0, a + d); + STORE(1, 0, b + c); + STORE(2, 0, b - c); + STORE(3, 0, a - d); + tmp++; + dst += BPS; + } +} + +// Simplified transform when only in[0], in[1] and in[4] are non-zero +static void TransformAC3_C(const int16_t* in, uint8_t* dst) { + const int a = in[0] + 4; + const int c4 = MUL2(in[4]); + const int d4 = MUL1(in[4]); + const int c1 = MUL2(in[1]); + const int d1 = MUL1(in[1]); + STORE2(0, a + d4, d1, c1); + STORE2(1, a + c4, d1, c1); + STORE2(2, a - c4, d1, c1); + STORE2(3, a - d4, d1, c1); +} +#undef MUL1 +#undef MUL2 +#undef STORE2 + +static void TransformTwo_C(const int16_t* in, uint8_t* dst, int do_two) { + TransformOne_C(in, dst); + if (do_two) { + TransformOne_C(in + 16, dst + 4); + } +} +#endif // !WEBP_NEON_OMIT_C_CODE + +static void TransformUV_C(const int16_t* in, uint8_t* dst) { + VP8Transform(in + 0 * 16, dst, 1); + VP8Transform(in + 2 * 16, dst + 4 * BPS, 1); +} + +#if !WEBP_NEON_OMIT_C_CODE +static void TransformDC_C(const int16_t* in, uint8_t* dst) { + const int DC = in[0] + 4; + int i, j; + for (j = 0; j < 4; ++j) { + for (i = 0; i < 4; ++i) { + STORE(i, j, DC); + } + } +} +#endif // !WEBP_NEON_OMIT_C_CODE + +static void TransformDCUV_C(const int16_t* in, uint8_t* dst) { + if (in[0 * 16]) VP8TransformDC(in + 0 * 16, dst); + if (in[1 * 16]) VP8TransformDC(in + 1 * 16, dst + 4); + if (in[2 * 16]) VP8TransformDC(in + 2 * 16, dst + 4 * BPS); + if (in[3 * 16]) VP8TransformDC(in + 3 * 16, dst + 4 * BPS + 4); +} + +#undef STORE + +//------------------------------------------------------------------------------ +// Paragraph 14.3 + +#if !WEBP_NEON_OMIT_C_CODE +static void TransformWHT_C(const int16_t* in, int16_t* out) { + int tmp[16]; + int i; + for (i = 0; i < 4; ++i) { + const int a0 = in[0 + i] + in[12 + i]; + const int a1 = in[4 + i] + in[ 8 + i]; + const int a2 = in[4 + i] - in[ 8 + i]; + const int a3 = in[0 + i] - in[12 + i]; + tmp[0 + i] = a0 + a1; + tmp[8 + i] = a0 - a1; + tmp[4 + i] = a3 + a2; + tmp[12 + i] = a3 - a2; + } + for (i = 0; i < 4; ++i) { + const int dc = tmp[0 + i * 4] + 3; // w/ rounder + const int a0 = dc + tmp[3 + i * 4]; + const int a1 = tmp[1 + i * 4] + tmp[2 + i * 4]; + const int a2 = tmp[1 + i * 4] - tmp[2 + i * 4]; + const int a3 = dc - tmp[3 + i * 4]; + out[ 0] = (a0 + a1) >> 3; + out[16] = (a3 + a2) >> 3; + out[32] = (a0 - a1) >> 3; + out[48] = (a3 - a2) >> 3; + out += 64; + } +} +#endif // !WEBP_NEON_OMIT_C_CODE + +void (*VP8TransformWHT)(const int16_t* in, int16_t* out); + +//------------------------------------------------------------------------------ +// Intra predictions + +#define DST(x, y) dst[(x) + (y) * BPS] + +#if !WEBP_NEON_OMIT_C_CODE +static WEBP_INLINE void TrueMotion(uint8_t* dst, int size) { + const uint8_t* top = dst - BPS; + const uint8_t* const clip0 = VP8kclip1 - top[-1]; + int y; + for (y = 0; y < size; ++y) { + const uint8_t* const clip = clip0 + dst[-1]; + int x; + for (x = 0; x < size; ++x) { + dst[x] = clip[top[x]]; + } + dst += BPS; + } +} +static void TM4_C(uint8_t* dst) { TrueMotion(dst, 4); } +static void TM8uv_C(uint8_t* dst) { TrueMotion(dst, 8); } +static void TM16_C(uint8_t* dst) { TrueMotion(dst, 16); } + +//------------------------------------------------------------------------------ +// 16x16 + +static void VE16_C(uint8_t* dst) { // vertical + int j; + for (j = 0; j < 16; ++j) { + memcpy(dst + j * BPS, dst - BPS, 16); + } +} + +static void HE16_C(uint8_t* dst) { // horizontal + int j; + for (j = 16; j > 0; --j) { + memset(dst, dst[-1], 16); + dst += BPS; + } +} + +static WEBP_INLINE void Put16(int v, uint8_t* dst) { + int j; + for (j = 0; j < 16; ++j) { + memset(dst + j * BPS, v, 16); + } +} + +static void DC16_C(uint8_t* dst) { // DC + int DC = 16; + int j; + for (j = 0; j < 16; ++j) { + DC += dst[-1 + j * BPS] + dst[j - BPS]; + } + Put16(DC >> 5, dst); +} + +static void DC16NoTop_C(uint8_t* dst) { // DC with top samples not available + int DC = 8; + int j; + for (j = 0; j < 16; ++j) { + DC += dst[-1 + j * BPS]; + } + Put16(DC >> 4, dst); +} + +static void DC16NoLeft_C(uint8_t* dst) { // DC with left samples not available + int DC = 8; + int i; + for (i = 0; i < 16; ++i) { + DC += dst[i - BPS]; + } + Put16(DC >> 4, dst); +} + +static void DC16NoTopLeft_C(uint8_t* dst) { // DC with no top and left samples + Put16(0x80, dst); +} +#endif // !WEBP_NEON_OMIT_C_CODE + +VP8PredFunc VP8PredLuma16[NUM_B_DC_MODES]; + +//------------------------------------------------------------------------------ +// 4x4 + +#define AVG3(a, b, c) ((uint8_t)(((a) + 2 * (b) + (c) + 2) >> 2)) +#define AVG2(a, b) (((a) + (b) + 1) >> 1) + +#if !WEBP_NEON_OMIT_C_CODE +static void VE4_C(uint8_t* dst) { // vertical + const uint8_t* top = dst - BPS; + const uint8_t vals[4] = { + AVG3(top[-1], top[0], top[1]), + AVG3(top[ 0], top[1], top[2]), + AVG3(top[ 1], top[2], top[3]), + AVG3(top[ 2], top[3], top[4]) + }; + int i; + for (i = 0; i < 4; ++i) { + memcpy(dst + i * BPS, vals, sizeof(vals)); + } +} +#endif // !WEBP_NEON_OMIT_C_CODE + +static void HE4_C(uint8_t* dst) { // horizontal + const int A = dst[-1 - BPS]; + const int B = dst[-1]; + const int C = dst[-1 + BPS]; + const int D = dst[-1 + 2 * BPS]; + const int E = dst[-1 + 3 * BPS]; + WebPUint32ToMem(dst + 0 * BPS, 0x01010101U * AVG3(A, B, C)); + WebPUint32ToMem(dst + 1 * BPS, 0x01010101U * AVG3(B, C, D)); + WebPUint32ToMem(dst + 2 * BPS, 0x01010101U * AVG3(C, D, E)); + WebPUint32ToMem(dst + 3 * BPS, 0x01010101U * AVG3(D, E, E)); +} + +#if !WEBP_NEON_OMIT_C_CODE +static void DC4_C(uint8_t* dst) { // DC + uint32_t dc = 4; + int i; + for (i = 0; i < 4; ++i) dc += dst[i - BPS] + dst[-1 + i * BPS]; + dc >>= 3; + for (i = 0; i < 4; ++i) memset(dst + i * BPS, dc, 4); +} + +static void RD4_C(uint8_t* dst) { // Down-right + const int I = dst[-1 + 0 * BPS]; + const int J = dst[-1 + 1 * BPS]; + const int K = dst[-1 + 2 * BPS]; + const int L = dst[-1 + 3 * BPS]; + const int X = dst[-1 - BPS]; + const int A = dst[0 - BPS]; + const int B = dst[1 - BPS]; + const int C = dst[2 - BPS]; + const int D = dst[3 - BPS]; + DST(0, 3) = AVG3(J, K, L); + DST(1, 3) = DST(0, 2) = AVG3(I, J, K); + DST(2, 3) = DST(1, 2) = DST(0, 1) = AVG3(X, I, J); + DST(3, 3) = DST(2, 2) = DST(1, 1) = DST(0, 0) = AVG3(A, X, I); + DST(3, 2) = DST(2, 1) = DST(1, 0) = AVG3(B, A, X); + DST(3, 1) = DST(2, 0) = AVG3(C, B, A); + DST(3, 0) = AVG3(D, C, B); +} + +static void LD4_C(uint8_t* dst) { // Down-Left + const int A = dst[0 - BPS]; + const int B = dst[1 - BPS]; + const int C = dst[2 - BPS]; + const int D = dst[3 - BPS]; + const int E = dst[4 - BPS]; + const int F = dst[5 - BPS]; + const int G = dst[6 - BPS]; + const int H = dst[7 - BPS]; + DST(0, 0) = AVG3(A, B, C); + DST(1, 0) = DST(0, 1) = AVG3(B, C, D); + DST(2, 0) = DST(1, 1) = DST(0, 2) = AVG3(C, D, E); + DST(3, 0) = DST(2, 1) = DST(1, 2) = DST(0, 3) = AVG3(D, E, F); + DST(3, 1) = DST(2, 2) = DST(1, 3) = AVG3(E, F, G); + DST(3, 2) = DST(2, 3) = AVG3(F, G, H); + DST(3, 3) = AVG3(G, H, H); +} +#endif // !WEBP_NEON_OMIT_C_CODE + +static void VR4_C(uint8_t* dst) { // Vertical-Right + const int I = dst[-1 + 0 * BPS]; + const int J = dst[-1 + 1 * BPS]; + const int K = dst[-1 + 2 * BPS]; + const int X = dst[-1 - BPS]; + const int A = dst[0 - BPS]; + const int B = dst[1 - BPS]; + const int C = dst[2 - BPS]; + const int D = dst[3 - BPS]; + DST(0, 0) = DST(1, 2) = AVG2(X, A); + DST(1, 0) = DST(2, 2) = AVG2(A, B); + DST(2, 0) = DST(3, 2) = AVG2(B, C); + DST(3, 0) = AVG2(C, D); + + DST(0, 3) = AVG3(K, J, I); + DST(0, 2) = AVG3(J, I, X); + DST(0, 1) = DST(1, 3) = AVG3(I, X, A); + DST(1, 1) = DST(2, 3) = AVG3(X, A, B); + DST(2, 1) = DST(3, 3) = AVG3(A, B, C); + DST(3, 1) = AVG3(B, C, D); +} + +static void VL4_C(uint8_t* dst) { // Vertical-Left + const int A = dst[0 - BPS]; + const int B = dst[1 - BPS]; + const int C = dst[2 - BPS]; + const int D = dst[3 - BPS]; + const int E = dst[4 - BPS]; + const int F = dst[5 - BPS]; + const int G = dst[6 - BPS]; + const int H = dst[7 - BPS]; + DST(0, 0) = AVG2(A, B); + DST(1, 0) = DST(0, 2) = AVG2(B, C); + DST(2, 0) = DST(1, 2) = AVG2(C, D); + DST(3, 0) = DST(2, 2) = AVG2(D, E); + + DST(0, 1) = AVG3(A, B, C); + DST(1, 1) = DST(0, 3) = AVG3(B, C, D); + DST(2, 1) = DST(1, 3) = AVG3(C, D, E); + DST(3, 1) = DST(2, 3) = AVG3(D, E, F); + DST(3, 2) = AVG3(E, F, G); + DST(3, 3) = AVG3(F, G, H); +} + +static void HU4_C(uint8_t* dst) { // Horizontal-Up + const int I = dst[-1 + 0 * BPS]; + const int J = dst[-1 + 1 * BPS]; + const int K = dst[-1 + 2 * BPS]; + const int L = dst[-1 + 3 * BPS]; + DST(0, 0) = AVG2(I, J); + DST(2, 0) = DST(0, 1) = AVG2(J, K); + DST(2, 1) = DST(0, 2) = AVG2(K, L); + DST(1, 0) = AVG3(I, J, K); + DST(3, 0) = DST(1, 1) = AVG3(J, K, L); + DST(3, 1) = DST(1, 2) = AVG3(K, L, L); + DST(3, 2) = DST(2, 2) = + DST(0, 3) = DST(1, 3) = DST(2, 3) = DST(3, 3) = L; +} + +static void HD4_C(uint8_t* dst) { // Horizontal-Down + const int I = dst[-1 + 0 * BPS]; + const int J = dst[-1 + 1 * BPS]; + const int K = dst[-1 + 2 * BPS]; + const int L = dst[-1 + 3 * BPS]; + const int X = dst[-1 - BPS]; + const int A = dst[0 - BPS]; + const int B = dst[1 - BPS]; + const int C = dst[2 - BPS]; + + DST(0, 0) = DST(2, 1) = AVG2(I, X); + DST(0, 1) = DST(2, 2) = AVG2(J, I); + DST(0, 2) = DST(2, 3) = AVG2(K, J); + DST(0, 3) = AVG2(L, K); + + DST(3, 0) = AVG3(A, B, C); + DST(2, 0) = AVG3(X, A, B); + DST(1, 0) = DST(3, 1) = AVG3(I, X, A); + DST(1, 1) = DST(3, 2) = AVG3(J, I, X); + DST(1, 2) = DST(3, 3) = AVG3(K, J, I); + DST(1, 3) = AVG3(L, K, J); +} + +#undef DST +#undef AVG3 +#undef AVG2 + +VP8PredFunc VP8PredLuma4[NUM_BMODES]; + +//------------------------------------------------------------------------------ +// Chroma + +#if !WEBP_NEON_OMIT_C_CODE +static void VE8uv_C(uint8_t* dst) { // vertical + int j; + for (j = 0; j < 8; ++j) { + memcpy(dst + j * BPS, dst - BPS, 8); + } +} + +static void HE8uv_C(uint8_t* dst) { // horizontal + int j; + for (j = 0; j < 8; ++j) { + memset(dst, dst[-1], 8); + dst += BPS; + } +} + +// helper for chroma-DC predictions +static WEBP_INLINE void Put8x8uv(uint8_t value, uint8_t* dst) { + int j; + for (j = 0; j < 8; ++j) { + memset(dst + j * BPS, value, 8); + } +} + +static void DC8uv_C(uint8_t* dst) { // DC + int dc0 = 8; + int i; + for (i = 0; i < 8; ++i) { + dc0 += dst[i - BPS] + dst[-1 + i * BPS]; + } + Put8x8uv(dc0 >> 4, dst); +} + +static void DC8uvNoLeft_C(uint8_t* dst) { // DC with no left samples + int dc0 = 4; + int i; + for (i = 0; i < 8; ++i) { + dc0 += dst[i - BPS]; + } + Put8x8uv(dc0 >> 3, dst); +} + +static void DC8uvNoTop_C(uint8_t* dst) { // DC with no top samples + int dc0 = 4; + int i; + for (i = 0; i < 8; ++i) { + dc0 += dst[-1 + i * BPS]; + } + Put8x8uv(dc0 >> 3, dst); +} + +static void DC8uvNoTopLeft_C(uint8_t* dst) { // DC with nothing + Put8x8uv(0x80, dst); +} +#endif // !WEBP_NEON_OMIT_C_CODE + +VP8PredFunc VP8PredChroma8[NUM_B_DC_MODES]; + +//------------------------------------------------------------------------------ +// Edge filtering functions + +#if !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC +// 4 pixels in, 2 pixels out +static WEBP_INLINE void DoFilter2_C(uint8_t* p, int step) { + const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step]; + const int a = 3 * (q0 - p0) + VP8ksclip1[p1 - q1]; // in [-893,892] + const int a1 = VP8ksclip2[(a + 4) >> 3]; // in [-16,15] + const int a2 = VP8ksclip2[(a + 3) >> 3]; + p[-step] = VP8kclip1[p0 + a2]; + p[ 0] = VP8kclip1[q0 - a1]; +} + +// 4 pixels in, 4 pixels out +static WEBP_INLINE void DoFilter4_C(uint8_t* p, int step) { + const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step]; + const int a = 3 * (q0 - p0); + const int a1 = VP8ksclip2[(a + 4) >> 3]; + const int a2 = VP8ksclip2[(a + 3) >> 3]; + const int a3 = (a1 + 1) >> 1; + p[-2*step] = VP8kclip1[p1 + a3]; + p[- step] = VP8kclip1[p0 + a2]; + p[ 0] = VP8kclip1[q0 - a1]; + p[ step] = VP8kclip1[q1 - a3]; +} + +// 6 pixels in, 6 pixels out +static WEBP_INLINE void DoFilter6_C(uint8_t* p, int step) { + const int p2 = p[-3*step], p1 = p[-2*step], p0 = p[-step]; + const int q0 = p[0], q1 = p[step], q2 = p[2*step]; + const int a = VP8ksclip1[3 * (q0 - p0) + VP8ksclip1[p1 - q1]]; + // a is in [-128,127], a1 in [-27,27], a2 in [-18,18] and a3 in [-9,9] + const int a1 = (27 * a + 63) >> 7; // eq. to ((3 * a + 7) * 9) >> 7 + const int a2 = (18 * a + 63) >> 7; // eq. to ((2 * a + 7) * 9) >> 7 + const int a3 = (9 * a + 63) >> 7; // eq. to ((1 * a + 7) * 9) >> 7 + p[-3*step] = VP8kclip1[p2 + a3]; + p[-2*step] = VP8kclip1[p1 + a2]; + p[- step] = VP8kclip1[p0 + a1]; + p[ 0] = VP8kclip1[q0 - a1]; + p[ step] = VP8kclip1[q1 - a2]; + p[ 2*step] = VP8kclip1[q2 - a3]; +} + +static WEBP_INLINE int Hev(const uint8_t* p, int step, int thresh) { + const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step]; + return (VP8kabs0[p1 - p0] > thresh) || (VP8kabs0[q1 - q0] > thresh); +} +#endif // !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC + +#if !WEBP_NEON_OMIT_C_CODE +static WEBP_INLINE int NeedsFilter_C(const uint8_t* p, int step, int t) { + const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step]; + return ((4 * VP8kabs0[p0 - q0] + VP8kabs0[p1 - q1]) <= t); +} +#endif // !WEBP_NEON_OMIT_C_CODE + +#if !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC +static WEBP_INLINE int NeedsFilter2_C(const uint8_t* p, + int step, int t, int it) { + const int p3 = p[-4 * step], p2 = p[-3 * step], p1 = p[-2 * step]; + const int p0 = p[-step], q0 = p[0]; + const int q1 = p[step], q2 = p[2 * step], q3 = p[3 * step]; + if ((4 * VP8kabs0[p0 - q0] + VP8kabs0[p1 - q1]) > t) return 0; + return VP8kabs0[p3 - p2] <= it && VP8kabs0[p2 - p1] <= it && + VP8kabs0[p1 - p0] <= it && VP8kabs0[q3 - q2] <= it && + VP8kabs0[q2 - q1] <= it && VP8kabs0[q1 - q0] <= it; +} +#endif // !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC + +//------------------------------------------------------------------------------ +// Simple In-loop filtering (Paragraph 15.2) + +#if !WEBP_NEON_OMIT_C_CODE +static void SimpleVFilter16_C(uint8_t* p, int stride, int thresh) { + int i; + const int thresh2 = 2 * thresh + 1; + for (i = 0; i < 16; ++i) { + if (NeedsFilter_C(p + i, stride, thresh2)) { + DoFilter2_C(p + i, stride); + } + } +} + +static void SimpleHFilter16_C(uint8_t* p, int stride, int thresh) { + int i; + const int thresh2 = 2 * thresh + 1; + for (i = 0; i < 16; ++i) { + if (NeedsFilter_C(p + i * stride, 1, thresh2)) { + DoFilter2_C(p + i * stride, 1); + } + } +} + +static void SimpleVFilter16i_C(uint8_t* p, int stride, int thresh) { + int k; + for (k = 3; k > 0; --k) { + p += 4 * stride; + SimpleVFilter16_C(p, stride, thresh); + } +} + +static void SimpleHFilter16i_C(uint8_t* p, int stride, int thresh) { + int k; + for (k = 3; k > 0; --k) { + p += 4; + SimpleHFilter16_C(p, stride, thresh); + } +} +#endif // !WEBP_NEON_OMIT_C_CODE + +//------------------------------------------------------------------------------ +// Complex In-loop filtering (Paragraph 15.3) + +#if !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC +static WEBP_INLINE void FilterLoop26_C(uint8_t* p, + int hstride, int vstride, int size, + int thresh, int ithresh, + int hev_thresh) { + const int thresh2 = 2 * thresh + 1; + while (size-- > 0) { + if (NeedsFilter2_C(p, hstride, thresh2, ithresh)) { + if (Hev(p, hstride, hev_thresh)) { + DoFilter2_C(p, hstride); + } else { + DoFilter6_C(p, hstride); + } + } + p += vstride; + } +} + +static WEBP_INLINE void FilterLoop24_C(uint8_t* p, + int hstride, int vstride, int size, + int thresh, int ithresh, + int hev_thresh) { + const int thresh2 = 2 * thresh + 1; + while (size-- > 0) { + if (NeedsFilter2_C(p, hstride, thresh2, ithresh)) { + if (Hev(p, hstride, hev_thresh)) { + DoFilter2_C(p, hstride); + } else { + DoFilter4_C(p, hstride); + } + } + p += vstride; + } +} +#endif // !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC + +#if !WEBP_NEON_OMIT_C_CODE +// on macroblock edges +static void VFilter16_C(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + FilterLoop26_C(p, stride, 1, 16, thresh, ithresh, hev_thresh); +} + +static void HFilter16_C(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + FilterLoop26_C(p, 1, stride, 16, thresh, ithresh, hev_thresh); +} + +// on three inner edges +static void VFilter16i_C(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + int k; + for (k = 3; k > 0; --k) { + p += 4 * stride; + FilterLoop24_C(p, stride, 1, 16, thresh, ithresh, hev_thresh); + } +} +#endif // !WEBP_NEON_OMIT_C_CODE + +#if !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC +static void HFilter16i_C(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + int k; + for (k = 3; k > 0; --k) { + p += 4; + FilterLoop24_C(p, 1, stride, 16, thresh, ithresh, hev_thresh); + } +} +#endif // !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC + +#if !WEBP_NEON_OMIT_C_CODE +// 8-pixels wide variant, for chroma filtering +static void VFilter8_C(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + FilterLoop26_C(u, stride, 1, 8, thresh, ithresh, hev_thresh); + FilterLoop26_C(v, stride, 1, 8, thresh, ithresh, hev_thresh); +} +#endif // !WEBP_NEON_OMIT_C_CODE + +#if !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC +static void HFilter8_C(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + FilterLoop26_C(u, 1, stride, 8, thresh, ithresh, hev_thresh); + FilterLoop26_C(v, 1, stride, 8, thresh, ithresh, hev_thresh); +} +#endif // !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC + +#if !WEBP_NEON_OMIT_C_CODE +static void VFilter8i_C(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + FilterLoop24_C(u + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh); + FilterLoop24_C(v + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh); +} +#endif // !WEBP_NEON_OMIT_C_CODE + +#if !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC +static void HFilter8i_C(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + FilterLoop24_C(u + 4, 1, stride, 8, thresh, ithresh, hev_thresh); + FilterLoop24_C(v + 4, 1, stride, 8, thresh, ithresh, hev_thresh); +} +#endif // !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC + +//------------------------------------------------------------------------------ + +static void DitherCombine8x8_C(const uint8_t* dither, uint8_t* dst, + int dst_stride) { + int i, j; + for (j = 0; j < 8; ++j) { + for (i = 0; i < 8; ++i) { + const int delta0 = dither[i] - VP8_DITHER_AMP_CENTER; + const int delta1 = + (delta0 + VP8_DITHER_DESCALE_ROUNDER) >> VP8_DITHER_DESCALE; + dst[i] = clip_8b((int)dst[i] + delta1); + } + dst += dst_stride; + dither += 8; + } +} + +//------------------------------------------------------------------------------ + +VP8DecIdct2 VP8Transform; +VP8DecIdct VP8TransformAC3; +VP8DecIdct VP8TransformUV; +VP8DecIdct VP8TransformDC; +VP8DecIdct VP8TransformDCUV; + +VP8LumaFilterFunc VP8VFilter16; +VP8LumaFilterFunc VP8HFilter16; +VP8ChromaFilterFunc VP8VFilter8; +VP8ChromaFilterFunc VP8HFilter8; +VP8LumaFilterFunc VP8VFilter16i; +VP8LumaFilterFunc VP8HFilter16i; +VP8ChromaFilterFunc VP8VFilter8i; +VP8ChromaFilterFunc VP8HFilter8i; +VP8SimpleFilterFunc VP8SimpleVFilter16; +VP8SimpleFilterFunc VP8SimpleHFilter16; +VP8SimpleFilterFunc VP8SimpleVFilter16i; +VP8SimpleFilterFunc VP8SimpleHFilter16i; + +void (*VP8DitherCombine8x8)(const uint8_t* dither, uint8_t* dst, + int dst_stride); + +extern VP8CPUInfo VP8GetCPUInfo; +extern void VP8DspInitSSE2(void); +extern void VP8DspInitSSE41(void); +extern void VP8DspInitNEON(void); +extern void VP8DspInitMIPS32(void); +extern void VP8DspInitMIPSdspR2(void); +extern void VP8DspInitMSA(void); + +WEBP_DSP_INIT_FUNC(VP8DspInit) { + VP8InitClipTables(); + +#if !WEBP_NEON_OMIT_C_CODE + VP8TransformWHT = TransformWHT_C; + VP8Transform = TransformTwo_C; + VP8TransformDC = TransformDC_C; + VP8TransformAC3 = TransformAC3_C; +#endif + VP8TransformUV = TransformUV_C; + VP8TransformDCUV = TransformDCUV_C; + +#if !WEBP_NEON_OMIT_C_CODE + VP8VFilter16 = VFilter16_C; + VP8VFilter16i = VFilter16i_C; + VP8HFilter16 = HFilter16_C; + VP8VFilter8 = VFilter8_C; + VP8VFilter8i = VFilter8i_C; + VP8SimpleVFilter16 = SimpleVFilter16_C; + VP8SimpleHFilter16 = SimpleHFilter16_C; + VP8SimpleVFilter16i = SimpleVFilter16i_C; + VP8SimpleHFilter16i = SimpleHFilter16i_C; +#endif + +#if !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC + VP8HFilter16i = HFilter16i_C; + VP8HFilter8 = HFilter8_C; + VP8HFilter8i = HFilter8i_C; +#endif + +#if !WEBP_NEON_OMIT_C_CODE + VP8PredLuma4[0] = DC4_C; + VP8PredLuma4[1] = TM4_C; + VP8PredLuma4[2] = VE4_C; + VP8PredLuma4[4] = RD4_C; + VP8PredLuma4[6] = LD4_C; +#endif + + VP8PredLuma4[3] = HE4_C; + VP8PredLuma4[5] = VR4_C; + VP8PredLuma4[7] = VL4_C; + VP8PredLuma4[8] = HD4_C; + VP8PredLuma4[9] = HU4_C; + +#if !WEBP_NEON_OMIT_C_CODE + VP8PredLuma16[0] = DC16_C; + VP8PredLuma16[1] = TM16_C; + VP8PredLuma16[2] = VE16_C; + VP8PredLuma16[3] = HE16_C; + VP8PredLuma16[4] = DC16NoTop_C; + VP8PredLuma16[5] = DC16NoLeft_C; + VP8PredLuma16[6] = DC16NoTopLeft_C; + + VP8PredChroma8[0] = DC8uv_C; + VP8PredChroma8[1] = TM8uv_C; + VP8PredChroma8[2] = VE8uv_C; + VP8PredChroma8[3] = HE8uv_C; + VP8PredChroma8[4] = DC8uvNoTop_C; + VP8PredChroma8[5] = DC8uvNoLeft_C; + VP8PredChroma8[6] = DC8uvNoTopLeft_C; +#endif + + VP8DitherCombine8x8 = DitherCombine8x8_C; + + // If defined, use CPUInfo() to overwrite some pointers with faster versions. + if (VP8GetCPUInfo != NULL) { +#if defined(WEBP_HAVE_SSE2) + if (VP8GetCPUInfo(kSSE2)) { + VP8DspInitSSE2(); +#if defined(WEBP_HAVE_SSE41) + if (VP8GetCPUInfo(kSSE4_1)) { + VP8DspInitSSE41(); + } +#endif + } +#endif +#if defined(WEBP_USE_MIPS32) + if (VP8GetCPUInfo(kMIPS32)) { + VP8DspInitMIPS32(); + } +#endif +#if defined(WEBP_USE_MIPS_DSP_R2) + if (VP8GetCPUInfo(kMIPSdspR2)) { + VP8DspInitMIPSdspR2(); + } +#endif +#if defined(WEBP_USE_MSA) + if (VP8GetCPUInfo(kMSA)) { + VP8DspInitMSA(); + } +#endif + } + +#if defined(WEBP_HAVE_NEON) + if (WEBP_NEON_OMIT_C_CODE || + (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kNEON))) { + VP8DspInitNEON(); + } +#endif + + assert(VP8TransformWHT != NULL); + assert(VP8Transform != NULL); + assert(VP8TransformDC != NULL); + assert(VP8TransformAC3 != NULL); + assert(VP8TransformUV != NULL); + assert(VP8TransformDCUV != NULL); + assert(VP8VFilter16 != NULL); + assert(VP8HFilter16 != NULL); + assert(VP8VFilter8 != NULL); + assert(VP8HFilter8 != NULL); + assert(VP8VFilter16i != NULL); + assert(VP8HFilter16i != NULL); + assert(VP8VFilter8i != NULL); + assert(VP8HFilter8i != NULL); + assert(VP8SimpleVFilter16 != NULL); + assert(VP8SimpleHFilter16 != NULL); + assert(VP8SimpleVFilter16i != NULL); + assert(VP8SimpleHFilter16i != NULL); + assert(VP8PredLuma4[0] != NULL); + assert(VP8PredLuma4[1] != NULL); + assert(VP8PredLuma4[2] != NULL); + assert(VP8PredLuma4[3] != NULL); + assert(VP8PredLuma4[4] != NULL); + assert(VP8PredLuma4[5] != NULL); + assert(VP8PredLuma4[6] != NULL); + assert(VP8PredLuma4[7] != NULL); + assert(VP8PredLuma4[8] != NULL); + assert(VP8PredLuma4[9] != NULL); + assert(VP8PredLuma16[0] != NULL); + assert(VP8PredLuma16[1] != NULL); + assert(VP8PredLuma16[2] != NULL); + assert(VP8PredLuma16[3] != NULL); + assert(VP8PredLuma16[4] != NULL); + assert(VP8PredLuma16[5] != NULL); + assert(VP8PredLuma16[6] != NULL); + assert(VP8PredChroma8[0] != NULL); + assert(VP8PredChroma8[1] != NULL); + assert(VP8PredChroma8[2] != NULL); + assert(VP8PredChroma8[3] != NULL); + assert(VP8PredChroma8[4] != NULL); + assert(VP8PredChroma8[5] != NULL); + assert(VP8PredChroma8[6] != NULL); + assert(VP8DitherCombine8x8 != NULL); +} diff --git a/ProductApp/Pods/libwebp/src/dsp/dec_clip_tables.c b/ProductApp/Pods/libwebp/src/dsp/dec_clip_tables.c new file mode 100644 index 0000000..427b74f --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/dec_clip_tables.c @@ -0,0 +1,369 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Clipping tables for filtering +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/dsp.h" + +// define to 0 to have run-time table initialization +#if !defined(USE_STATIC_TABLES) +#define USE_STATIC_TABLES 1 // ALTERNATE_CODE +#endif + +#if (USE_STATIC_TABLES == 1) + +static const uint8_t abs0[255 + 255 + 1] = { + 0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8, 0xf7, 0xf6, 0xf5, 0xf4, + 0xf3, 0xf2, 0xf1, 0xf0, 0xef, 0xee, 0xed, 0xec, 0xeb, 0xea, 0xe9, 0xe8, + 0xe7, 0xe6, 0xe5, 0xe4, 0xe3, 0xe2, 0xe1, 0xe0, 0xdf, 0xde, 0xdd, 0xdc, + 0xdb, 0xda, 0xd9, 0xd8, 0xd7, 0xd6, 0xd5, 0xd4, 0xd3, 0xd2, 0xd1, 0xd0, + 0xcf, 0xce, 0xcd, 0xcc, 0xcb, 0xca, 0xc9, 0xc8, 0xc7, 0xc6, 0xc5, 0xc4, + 0xc3, 0xc2, 0xc1, 0xc0, 0xbf, 0xbe, 0xbd, 0xbc, 0xbb, 0xba, 0xb9, 0xb8, + 0xb7, 0xb6, 0xb5, 0xb4, 0xb3, 0xb2, 0xb1, 0xb0, 0xaf, 0xae, 0xad, 0xac, + 0xab, 0xaa, 0xa9, 0xa8, 0xa7, 0xa6, 0xa5, 0xa4, 0xa3, 0xa2, 0xa1, 0xa0, + 0x9f, 0x9e, 0x9d, 0x9c, 0x9b, 0x9a, 0x99, 0x98, 0x97, 0x96, 0x95, 0x94, + 0x93, 0x92, 0x91, 0x90, 0x8f, 0x8e, 0x8d, 0x8c, 0x8b, 0x8a, 0x89, 0x88, + 0x87, 0x86, 0x85, 0x84, 0x83, 0x82, 0x81, 0x80, 0x7f, 0x7e, 0x7d, 0x7c, + 0x7b, 0x7a, 0x79, 0x78, 0x77, 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x70, + 0x6f, 0x6e, 0x6d, 0x6c, 0x6b, 0x6a, 0x69, 0x68, 0x67, 0x66, 0x65, 0x64, + 0x63, 0x62, 0x61, 0x60, 0x5f, 0x5e, 0x5d, 0x5c, 0x5b, 0x5a, 0x59, 0x58, + 0x57, 0x56, 0x55, 0x54, 0x53, 0x52, 0x51, 0x50, 0x4f, 0x4e, 0x4d, 0x4c, + 0x4b, 0x4a, 0x49, 0x48, 0x47, 0x46, 0x45, 0x44, 0x43, 0x42, 0x41, 0x40, + 0x3f, 0x3e, 0x3d, 0x3c, 0x3b, 0x3a, 0x39, 0x38, 0x37, 0x36, 0x35, 0x34, + 0x33, 0x32, 0x31, 0x30, 0x2f, 0x2e, 0x2d, 0x2c, 0x2b, 0x2a, 0x29, 0x28, + 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21, 0x20, 0x1f, 0x1e, 0x1d, 0x1c, + 0x1b, 0x1a, 0x19, 0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, + 0x0f, 0x0e, 0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x05, 0x04, + 0x03, 0x02, 0x01, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, + 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, + 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, + 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, + 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44, + 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, + 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, + 0x5d, 0x5e, 0x5f, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, + 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, + 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x80, + 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, + 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, + 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, + 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, + 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, + 0xbd, 0xbe, 0xbf, 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, + 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, + 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0, + 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, + 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, + 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff +}; + +static const uint8_t sclip1[1020 + 1020 + 1] = { + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 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0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f +}; + +static const uint8_t sclip2[112 + 112 + 1] = { + 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, + 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, + 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, + 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, + 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, + 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, + 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, + 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, + 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, + 0xfc, 0xfd, 0xfe, 0xff, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, + 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, + 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, + 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, + 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, + 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, + 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, + 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, + 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f +}; + +static const uint8_t clip1[255 + 511 + 1] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, + 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, + 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, + 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, + 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44, + 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, + 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, + 0x5d, 0x5e, 0x5f, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, + 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, + 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x80, + 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, + 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, + 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, + 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, + 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, + 0xbd, 0xbe, 0xbf, 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, + 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, + 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0, + 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, + 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, + 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff +}; + +#else + +// uninitialized tables +static uint8_t abs0[255 + 255 + 1]; +static int8_t sclip1[1020 + 1020 + 1]; +static int8_t sclip2[112 + 112 + 1]; +static uint8_t clip1[255 + 511 + 1]; + +// We declare this variable 'volatile' to prevent instruction reordering +// and make sure it's set to true _last_ (so as to be thread-safe) +static volatile int tables_ok = 0; + +#endif // USE_STATIC_TABLES + +const int8_t* const VP8ksclip1 = (const int8_t*)&sclip1[1020]; +const int8_t* const VP8ksclip2 = (const int8_t*)&sclip2[112]; +const uint8_t* const VP8kclip1 = &clip1[255]; +const uint8_t* const VP8kabs0 = &abs0[255]; + +WEBP_TSAN_IGNORE_FUNCTION void VP8InitClipTables(void) { +#if (USE_STATIC_TABLES == 0) + int i; + if (!tables_ok) { + for (i = -255; i <= 255; ++i) { + abs0[255 + i] = (i < 0) ? -i : i; + } + for (i = -1020; i <= 1020; ++i) { + sclip1[1020 + i] = (i < -128) ? -128 : (i > 127) ? 127 : i; + } + for (i = -112; i <= 112; ++i) { + sclip2[112 + i] = (i < -16) ? -16 : (i > 15) ? 15 : i; + } + for (i = -255; i <= 255 + 255; ++i) { + clip1[255 + i] = (i < 0) ? 0 : (i > 255) ? 255 : i; + } + tables_ok = 1; + } +#endif // USE_STATIC_TABLES +} diff --git a/ProductApp/Pods/libwebp/src/dsp/dec_mips32.c b/ProductApp/Pods/libwebp/src/dsp/dec_mips32.c new file mode 100644 index 0000000..e4e7096 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/dec_mips32.c @@ -0,0 +1,587 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// MIPS version of dsp functions +// +// Author(s): Djordje Pesut (djordje.pesut@imgtec.com) +// Jovan Zelincevic (jovan.zelincevic@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MIPS32) + +#include "src/dsp/mips_macro.h" + +static const int kC1 = 20091 + (1 << 16); +static const int kC2 = 35468; + +static WEBP_INLINE int abs_mips32(int x) { + const int sign = x >> 31; + return (x ^ sign) - sign; +} + +// 4 pixels in, 2 pixels out +static WEBP_INLINE void do_filter2(uint8_t* p, int step) { + const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step]; + const int a = 3 * (q0 - p0) + VP8ksclip1[p1 - q1]; + const int a1 = VP8ksclip2[(a + 4) >> 3]; + const int a2 = VP8ksclip2[(a + 3) >> 3]; + p[-step] = VP8kclip1[p0 + a2]; + p[ 0] = VP8kclip1[q0 - a1]; +} + +// 4 pixels in, 4 pixels out +static WEBP_INLINE void do_filter4(uint8_t* p, int step) { + const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step]; + const int a = 3 * (q0 - p0); + const int a1 = VP8ksclip2[(a + 4) >> 3]; + const int a2 = VP8ksclip2[(a + 3) >> 3]; + const int a3 = (a1 + 1) >> 1; + p[-2 * step] = VP8kclip1[p1 + a3]; + p[- step] = VP8kclip1[p0 + a2]; + p[ 0] = VP8kclip1[q0 - a1]; + p[ step] = VP8kclip1[q1 - a3]; +} + +// 6 pixels in, 6 pixels out +static WEBP_INLINE void do_filter6(uint8_t* p, int step) { + const int p2 = p[-3 * step], p1 = p[-2 * step], p0 = p[-step]; + const int q0 = p[0], q1 = p[step], q2 = p[2 * step]; + const int a = VP8ksclip1[3 * (q0 - p0) + VP8ksclip1[p1 - q1]]; + // a is in [-128,127], a1 in [-27,27], a2 in [-18,18] and a3 in [-9,9] + const int a1 = (27 * a + 63) >> 7; // eq. to ((3 * a + 7) * 9) >> 7 + const int a2 = (18 * a + 63) >> 7; // eq. to ((2 * a + 7) * 9) >> 7 + const int a3 = (9 * a + 63) >> 7; // eq. to ((1 * a + 7) * 9) >> 7 + p[-3 * step] = VP8kclip1[p2 + a3]; + p[-2 * step] = VP8kclip1[p1 + a2]; + p[- step] = VP8kclip1[p0 + a1]; + p[ 0] = VP8kclip1[q0 - a1]; + p[ step] = VP8kclip1[q1 - a2]; + p[ 2 * step] = VP8kclip1[q2 - a3]; +} + +static WEBP_INLINE int hev(const uint8_t* p, int step, int thresh) { + const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step]; + return (abs_mips32(p1 - p0) > thresh) || (abs_mips32(q1 - q0) > thresh); +} + +static WEBP_INLINE int needs_filter(const uint8_t* p, int step, int t) { + const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step]; + return ((4 * abs_mips32(p0 - q0) + abs_mips32(p1 - q1)) <= t); +} + +static WEBP_INLINE int needs_filter2(const uint8_t* p, + int step, int t, int it) { + const int p3 = p[-4 * step], p2 = p[-3 * step]; + const int p1 = p[-2 * step], p0 = p[-step]; + const int q0 = p[0], q1 = p[step], q2 = p[2 * step], q3 = p[3 * step]; + if ((4 * abs_mips32(p0 - q0) + abs_mips32(p1 - q1)) > t) { + return 0; + } + return abs_mips32(p3 - p2) <= it && abs_mips32(p2 - p1) <= it && + abs_mips32(p1 - p0) <= it && abs_mips32(q3 - q2) <= it && + abs_mips32(q2 - q1) <= it && abs_mips32(q1 - q0) <= it; +} + +static WEBP_INLINE void FilterLoop26(uint8_t* p, + int hstride, int vstride, int size, + int thresh, int ithresh, int hev_thresh) { + const int thresh2 = 2 * thresh + 1; + while (size-- > 0) { + if (needs_filter2(p, hstride, thresh2, ithresh)) { + if (hev(p, hstride, hev_thresh)) { + do_filter2(p, hstride); + } else { + do_filter6(p, hstride); + } + } + p += vstride; + } +} + +static WEBP_INLINE void FilterLoop24(uint8_t* p, + int hstride, int vstride, int size, + int thresh, int ithresh, int hev_thresh) { + const int thresh2 = 2 * thresh + 1; + while (size-- > 0) { + if (needs_filter2(p, hstride, thresh2, ithresh)) { + if (hev(p, hstride, hev_thresh)) { + do_filter2(p, hstride); + } else { + do_filter4(p, hstride); + } + } + p += vstride; + } +} + +// on macroblock edges +static void VFilter16(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + FilterLoop26(p, stride, 1, 16, thresh, ithresh, hev_thresh); +} + +static void HFilter16(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + FilterLoop26(p, 1, stride, 16, thresh, ithresh, hev_thresh); +} + +// 8-pixels wide variant, for chroma filtering +static void VFilter8(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + FilterLoop26(u, stride, 1, 8, thresh, ithresh, hev_thresh); + FilterLoop26(v, stride, 1, 8, thresh, ithresh, hev_thresh); +} + +static void HFilter8(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + FilterLoop26(u, 1, stride, 8, thresh, ithresh, hev_thresh); + FilterLoop26(v, 1, stride, 8, thresh, ithresh, hev_thresh); +} + +static void VFilter8i(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + FilterLoop24(u + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh); + FilterLoop24(v + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh); +} + +static void HFilter8i(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + FilterLoop24(u + 4, 1, stride, 8, thresh, ithresh, hev_thresh); + FilterLoop24(v + 4, 1, stride, 8, thresh, ithresh, hev_thresh); +} + +// on three inner edges +static void VFilter16i(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + int k; + for (k = 3; k > 0; --k) { + p += 4 * stride; + FilterLoop24(p, stride, 1, 16, thresh, ithresh, hev_thresh); + } +} + +static void HFilter16i(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + int k; + for (k = 3; k > 0; --k) { + p += 4; + FilterLoop24(p, 1, stride, 16, thresh, ithresh, hev_thresh); + } +} + +//------------------------------------------------------------------------------ +// Simple In-loop filtering (Paragraph 15.2) + +static void SimpleVFilter16(uint8_t* p, int stride, int thresh) { + int i; + const int thresh2 = 2 * thresh + 1; + for (i = 0; i < 16; ++i) { + if (needs_filter(p + i, stride, thresh2)) { + do_filter2(p + i, stride); + } + } +} + +static void SimpleHFilter16(uint8_t* p, int stride, int thresh) { + int i; + const int thresh2 = 2 * thresh + 1; + for (i = 0; i < 16; ++i) { + if (needs_filter(p + i * stride, 1, thresh2)) { + do_filter2(p + i * stride, 1); + } + } +} + +static void SimpleVFilter16i(uint8_t* p, int stride, int thresh) { + int k; + for (k = 3; k > 0; --k) { + p += 4 * stride; + SimpleVFilter16(p, stride, thresh); + } +} + +static void SimpleHFilter16i(uint8_t* p, int stride, int thresh) { + int k; + for (k = 3; k > 0; --k) { + p += 4; + SimpleHFilter16(p, stride, thresh); + } +} + +static void TransformOne(const int16_t* in, uint8_t* dst) { + int temp0, temp1, temp2, temp3, temp4; + int temp5, temp6, temp7, temp8, temp9; + int temp10, temp11, temp12, temp13, temp14; + int temp15, temp16, temp17, temp18; + int16_t* p_in = (int16_t*)in; + + // loops unrolled and merged to avoid usage of tmp buffer + // and to reduce number of stalls. MUL macro is written + // in assembler and inlined + __asm__ volatile( + "lh %[temp0], 0(%[in]) \n\t" + "lh %[temp8], 16(%[in]) \n\t" + "lh %[temp4], 8(%[in]) \n\t" + "lh %[temp12], 24(%[in]) \n\t" + "addu %[temp16], %[temp0], %[temp8] \n\t" + "subu %[temp0], %[temp0], %[temp8] \n\t" + "mul %[temp8], %[temp4], %[kC2] \n\t" + "mul %[temp17], %[temp12], %[kC1] \n\t" + "mul %[temp4], %[temp4], %[kC1] \n\t" + "mul %[temp12], %[temp12], %[kC2] \n\t" + "lh %[temp1], 2(%[in]) \n\t" + "lh %[temp5], 10(%[in]) \n\t" + "lh %[temp9], 18(%[in]) \n\t" + "lh %[temp13], 26(%[in]) \n\t" + "sra %[temp8], %[temp8], 16 \n\t" + "sra %[temp17], %[temp17], 16 \n\t" + "sra %[temp4], %[temp4], 16 \n\t" + "sra %[temp12], %[temp12], 16 \n\t" + "lh %[temp2], 4(%[in]) \n\t" + "lh %[temp6], 12(%[in]) \n\t" + "lh %[temp10], 20(%[in]) \n\t" + "lh %[temp14], 28(%[in]) \n\t" + "subu %[temp17], %[temp8], %[temp17] \n\t" + "addu %[temp4], %[temp4], %[temp12] \n\t" + "addu %[temp8], %[temp16], %[temp4] \n\t" + "subu %[temp4], %[temp16], %[temp4] \n\t" + "addu %[temp16], %[temp1], %[temp9] \n\t" + "subu %[temp1], %[temp1], %[temp9] \n\t" + "lh %[temp3], 6(%[in]) \n\t" + "lh %[temp7], 14(%[in]) \n\t" + "lh %[temp11], 22(%[in]) \n\t" + "lh %[temp15], 30(%[in]) \n\t" + "addu %[temp12], %[temp0], %[temp17] \n\t" + "subu %[temp0], %[temp0], %[temp17] \n\t" + "mul %[temp9], %[temp5], %[kC2] \n\t" + "mul %[temp17], %[temp13], %[kC1] \n\t" + "mul %[temp5], %[temp5], %[kC1] \n\t" + "mul %[temp13], %[temp13], %[kC2] \n\t" + "sra %[temp9], %[temp9], 16 \n\t" + "sra %[temp17], %[temp17], 16 \n\t" + "subu %[temp17], %[temp9], %[temp17] \n\t" + "sra %[temp5], %[temp5], 16 \n\t" + "sra %[temp13], %[temp13], 16 \n\t" + "addu %[temp5], %[temp5], %[temp13] \n\t" + "addu %[temp13], %[temp1], %[temp17] \n\t" + "subu %[temp1], %[temp1], %[temp17] \n\t" + "mul %[temp17], %[temp14], %[kC1] \n\t" + "mul %[temp14], %[temp14], %[kC2] \n\t" + "addu %[temp9], %[temp16], %[temp5] \n\t" + "subu %[temp5], %[temp16], %[temp5] \n\t" + "addu %[temp16], %[temp2], %[temp10] \n\t" + "subu %[temp2], %[temp2], %[temp10] \n\t" + "mul %[temp10], %[temp6], %[kC2] \n\t" + "mul %[temp6], %[temp6], %[kC1] \n\t" + "sra %[temp17], %[temp17], 16 \n\t" + "sra %[temp14], %[temp14], 16 \n\t" + "sra %[temp10], %[temp10], 16 \n\t" + "sra %[temp6], %[temp6], 16 \n\t" + "subu %[temp17], %[temp10], %[temp17] \n\t" + "addu %[temp6], %[temp6], %[temp14] \n\t" + "addu %[temp10], %[temp16], %[temp6] \n\t" + "subu %[temp6], %[temp16], %[temp6] \n\t" + "addu %[temp14], %[temp2], %[temp17] \n\t" + "subu %[temp2], %[temp2], %[temp17] \n\t" + "mul %[temp17], %[temp15], %[kC1] \n\t" + "mul %[temp15], %[temp15], %[kC2] \n\t" + "addu %[temp16], %[temp3], %[temp11] \n\t" + "subu %[temp3], %[temp3], %[temp11] \n\t" + "mul %[temp11], %[temp7], %[kC2] \n\t" + "mul %[temp7], %[temp7], %[kC1] \n\t" + "addiu %[temp8], %[temp8], 4 \n\t" + "addiu %[temp12], %[temp12], 4 \n\t" + "addiu %[temp0], %[temp0], 4 \n\t" + "addiu %[temp4], %[temp4], 4 \n\t" + "sra %[temp17], %[temp17], 16 \n\t" + "sra %[temp15], %[temp15], 16 \n\t" + "sra %[temp11], %[temp11], 16 \n\t" + "sra %[temp7], %[temp7], 16 \n\t" + "subu %[temp17], %[temp11], %[temp17] \n\t" + "addu %[temp7], %[temp7], %[temp15] \n\t" + "addu %[temp15], %[temp3], %[temp17] \n\t" + "subu %[temp3], %[temp3], %[temp17] \n\t" + "addu %[temp11], %[temp16], %[temp7] \n\t" + "subu %[temp7], %[temp16], %[temp7] \n\t" + "addu %[temp16], %[temp8], %[temp10] \n\t" + "subu %[temp8], %[temp8], %[temp10] \n\t" + "mul %[temp10], %[temp9], %[kC2] \n\t" + "mul %[temp17], %[temp11], %[kC1] \n\t" + "mul %[temp9], %[temp9], %[kC1] \n\t" + "mul %[temp11], %[temp11], %[kC2] \n\t" + "sra %[temp10], %[temp10], 16 \n\t" + "sra %[temp17], %[temp17], 16 \n\t" + "sra %[temp9], %[temp9], 16 \n\t" + "sra %[temp11], %[temp11], 16 \n\t" + "subu %[temp17], %[temp10], %[temp17] \n\t" + "addu %[temp11], %[temp9], %[temp11] \n\t" + "addu %[temp10], %[temp12], %[temp14] \n\t" + "subu %[temp12], %[temp12], %[temp14] \n\t" + "mul %[temp14], %[temp13], %[kC2] \n\t" + "mul %[temp9], %[temp15], %[kC1] \n\t" + "mul %[temp13], %[temp13], %[kC1] \n\t" + "mul %[temp15], %[temp15], %[kC2] \n\t" + "sra %[temp14], %[temp14], 16 \n\t" + "sra %[temp9], %[temp9], 16 \n\t" + "sra %[temp13], %[temp13], 16 \n\t" + "sra %[temp15], %[temp15], 16 \n\t" + "subu %[temp9], %[temp14], %[temp9] \n\t" + "addu %[temp15], %[temp13], %[temp15] \n\t" + "addu %[temp14], %[temp0], %[temp2] \n\t" + "subu %[temp0], %[temp0], %[temp2] \n\t" + "mul %[temp2], %[temp1], %[kC2] \n\t" + "mul %[temp13], %[temp3], %[kC1] \n\t" + "mul %[temp1], %[temp1], %[kC1] \n\t" + "mul %[temp3], %[temp3], %[kC2] \n\t" + "sra %[temp2], %[temp2], 16 \n\t" + "sra %[temp13], %[temp13], 16 \n\t" + "sra %[temp1], %[temp1], 16 \n\t" + "sra %[temp3], %[temp3], 16 \n\t" + "subu %[temp13], %[temp2], %[temp13] \n\t" + "addu %[temp3], %[temp1], %[temp3] \n\t" + "addu %[temp2], %[temp4], %[temp6] \n\t" + "subu %[temp4], %[temp4], %[temp6] \n\t" + "mul %[temp6], %[temp5], %[kC2] \n\t" + "mul %[temp1], %[temp7], %[kC1] \n\t" + "mul %[temp5], %[temp5], %[kC1] \n\t" + "mul %[temp7], %[temp7], %[kC2] \n\t" + "sra %[temp6], %[temp6], 16 \n\t" + "sra %[temp1], %[temp1], 16 \n\t" + "sra %[temp5], %[temp5], 16 \n\t" + "sra %[temp7], %[temp7], 16 \n\t" + "subu %[temp1], %[temp6], %[temp1] \n\t" + "addu %[temp7], %[temp5], %[temp7] \n\t" + "addu %[temp5], %[temp16], %[temp11] \n\t" + "subu %[temp16], %[temp16], %[temp11] \n\t" + "addu %[temp11], %[temp8], %[temp17] \n\t" + "subu %[temp8], %[temp8], %[temp17] \n\t" + "sra %[temp5], %[temp5], 3 \n\t" + "sra %[temp16], %[temp16], 3 \n\t" + "sra %[temp11], %[temp11], 3 \n\t" + "sra %[temp8], %[temp8], 3 \n\t" + "addu %[temp17], %[temp10], %[temp15] \n\t" + "subu %[temp10], %[temp10], %[temp15] \n\t" + "addu %[temp15], %[temp12], %[temp9] \n\t" + "subu %[temp12], %[temp12], %[temp9] \n\t" + "sra %[temp17], %[temp17], 3 \n\t" + "sra %[temp10], %[temp10], 3 \n\t" + "sra %[temp15], %[temp15], 3 \n\t" + "sra %[temp12], %[temp12], 3 \n\t" + "addu %[temp9], %[temp14], %[temp3] \n\t" + "subu %[temp14], %[temp14], %[temp3] \n\t" + "addu %[temp3], %[temp0], %[temp13] \n\t" + "subu %[temp0], %[temp0], %[temp13] \n\t" + "sra %[temp9], %[temp9], 3 \n\t" + "sra %[temp14], %[temp14], 3 \n\t" + "sra %[temp3], %[temp3], 3 \n\t" + "sra %[temp0], %[temp0], 3 \n\t" + "addu %[temp13], %[temp2], %[temp7] \n\t" + "subu %[temp2], %[temp2], %[temp7] \n\t" + "addu %[temp7], %[temp4], %[temp1] \n\t" + "subu %[temp4], %[temp4], %[temp1] \n\t" + "sra %[temp13], %[temp13], 3 \n\t" + "sra %[temp2], %[temp2], 3 \n\t" + "sra %[temp7], %[temp7], 3 \n\t" + "sra %[temp4], %[temp4], 3 \n\t" + "addiu %[temp6], $zero, 255 \n\t" + "lbu %[temp1], 0+0*" XSTR(BPS) "(%[dst]) \n\t" + "addu %[temp1], %[temp1], %[temp5] \n\t" + "sra %[temp5], %[temp1], 8 \n\t" + "sra %[temp18], %[temp1], 31 \n\t" + "beqz %[temp5], 1f \n\t" + "xor %[temp1], %[temp1], %[temp1] \n\t" + "movz %[temp1], %[temp6], %[temp18] \n\t" + "1: \n\t" + "lbu %[temp18], 1+0*" XSTR(BPS) "(%[dst]) \n\t" + "sb %[temp1], 0+0*" XSTR(BPS) "(%[dst]) \n\t" + "addu %[temp18], %[temp18], %[temp11] \n\t" + "sra %[temp11], %[temp18], 8 \n\t" + "sra %[temp1], %[temp18], 31 \n\t" + "beqz %[temp11], 2f \n\t" + "xor %[temp18], %[temp18], %[temp18] \n\t" + "movz %[temp18], %[temp6], %[temp1] \n\t" + "2: \n\t" + "lbu %[temp1], 2+0*" XSTR(BPS) "(%[dst]) \n\t" + "sb %[temp18], 1+0*" XSTR(BPS) "(%[dst]) \n\t" + "addu %[temp1], %[temp1], %[temp8] \n\t" + "sra %[temp8], %[temp1], 8 \n\t" + "sra %[temp18], %[temp1], 31 \n\t" + "beqz %[temp8], 3f \n\t" + "xor %[temp1], %[temp1], %[temp1] \n\t" + "movz %[temp1], %[temp6], %[temp18] \n\t" + "3: \n\t" + "lbu %[temp18], 3+0*" XSTR(BPS) "(%[dst]) \n\t" + "sb %[temp1], 2+0*" XSTR(BPS) "(%[dst]) \n\t" + "addu %[temp18], %[temp18], %[temp16] \n\t" + "sra %[temp16], %[temp18], 8 \n\t" + "sra %[temp1], %[temp18], 31 \n\t" + "beqz %[temp16], 4f \n\t" + "xor %[temp18], %[temp18], %[temp18] \n\t" + "movz %[temp18], %[temp6], %[temp1] \n\t" + "4: \n\t" + "sb %[temp18], 3+0*" XSTR(BPS) "(%[dst]) \n\t" + "lbu %[temp5], 0+1*" XSTR(BPS) "(%[dst]) \n\t" + "lbu %[temp8], 1+1*" XSTR(BPS) "(%[dst]) \n\t" + "lbu %[temp11], 2+1*" XSTR(BPS) "(%[dst]) \n\t" + "lbu %[temp16], 3+1*" XSTR(BPS) "(%[dst]) \n\t" + "addu %[temp5], %[temp5], %[temp17] \n\t" + "addu %[temp8], %[temp8], %[temp15] \n\t" + "addu %[temp11], %[temp11], %[temp12] \n\t" + "addu %[temp16], %[temp16], %[temp10] \n\t" + "sra %[temp18], %[temp5], 8 \n\t" + "sra %[temp1], %[temp5], 31 \n\t" + "beqz %[temp18], 5f \n\t" + "xor %[temp5], %[temp5], %[temp5] \n\t" + "movz %[temp5], %[temp6], %[temp1] \n\t" + "5: \n\t" + "sra %[temp18], %[temp8], 8 \n\t" + "sra %[temp1], %[temp8], 31 \n\t" + "beqz %[temp18], 6f \n\t" + "xor %[temp8], %[temp8], %[temp8] \n\t" + "movz %[temp8], %[temp6], %[temp1] \n\t" + "6: \n\t" + "sra %[temp18], %[temp11], 8 \n\t" + "sra %[temp1], %[temp11], 31 \n\t" + "sra %[temp17], %[temp16], 8 \n\t" + "sra %[temp15], %[temp16], 31 \n\t" + "beqz %[temp18], 7f \n\t" + "xor %[temp11], %[temp11], %[temp11] \n\t" + "movz %[temp11], %[temp6], %[temp1] \n\t" + "7: \n\t" + "beqz %[temp17], 8f \n\t" + "xor %[temp16], %[temp16], %[temp16] \n\t" + "movz %[temp16], %[temp6], %[temp15] \n\t" + "8: \n\t" + "sb %[temp5], 0+1*" XSTR(BPS) "(%[dst]) \n\t" + "sb %[temp8], 1+1*" XSTR(BPS) "(%[dst]) \n\t" + "sb %[temp11], 2+1*" XSTR(BPS) "(%[dst]) \n\t" + "sb %[temp16], 3+1*" XSTR(BPS) "(%[dst]) \n\t" + "lbu %[temp5], 0+2*" XSTR(BPS) "(%[dst]) \n\t" + "lbu %[temp8], 1+2*" XSTR(BPS) "(%[dst]) \n\t" + "lbu %[temp11], 2+2*" XSTR(BPS) "(%[dst]) \n\t" + "lbu %[temp16], 3+2*" XSTR(BPS) "(%[dst]) \n\t" + "addu %[temp5], %[temp5], %[temp9] \n\t" + "addu %[temp8], %[temp8], %[temp3] \n\t" + "addu %[temp11], %[temp11], %[temp0] \n\t" + "addu %[temp16], %[temp16], %[temp14] \n\t" + "sra %[temp18], %[temp5], 8 \n\t" + "sra %[temp1], %[temp5], 31 \n\t" + "sra %[temp17], %[temp8], 8 \n\t" + "sra %[temp15], %[temp8], 31 \n\t" + "sra %[temp12], %[temp11], 8 \n\t" + "sra %[temp10], %[temp11], 31 \n\t" + "sra %[temp9], %[temp16], 8 \n\t" + "sra %[temp3], %[temp16], 31 \n\t" + "beqz %[temp18], 9f \n\t" + "xor %[temp5], %[temp5], %[temp5] \n\t" + "movz %[temp5], %[temp6], %[temp1] \n\t" + "9: \n\t" + "beqz %[temp17], 10f \n\t" + "xor %[temp8], %[temp8], %[temp8] \n\t" + "movz %[temp8], %[temp6], %[temp15] \n\t" + "10: \n\t" + "beqz %[temp12], 11f \n\t" + "xor %[temp11], %[temp11], %[temp11] \n\t" + "movz %[temp11], %[temp6], %[temp10] \n\t" + "11: \n\t" + "beqz %[temp9], 12f \n\t" + "xor %[temp16], %[temp16], %[temp16] \n\t" + "movz %[temp16], %[temp6], %[temp3] \n\t" + "12: \n\t" + "sb %[temp5], 0+2*" XSTR(BPS) "(%[dst]) \n\t" + "sb %[temp8], 1+2*" XSTR(BPS) "(%[dst]) \n\t" + "sb %[temp11], 2+2*" XSTR(BPS) "(%[dst]) \n\t" + "sb %[temp16], 3+2*" XSTR(BPS) "(%[dst]) \n\t" + "lbu %[temp5], 0+3*" XSTR(BPS) "(%[dst]) \n\t" + "lbu %[temp8], 1+3*" XSTR(BPS) "(%[dst]) \n\t" + "lbu %[temp11], 2+3*" XSTR(BPS) "(%[dst]) \n\t" + "lbu %[temp16], 3+3*" XSTR(BPS) "(%[dst]) \n\t" + "addu %[temp5], %[temp5], %[temp13] \n\t" + "addu %[temp8], %[temp8], %[temp7] \n\t" + "addu %[temp11], %[temp11], %[temp4] \n\t" + "addu %[temp16], %[temp16], %[temp2] \n\t" + "sra %[temp18], %[temp5], 8 \n\t" + "sra %[temp1], %[temp5], 31 \n\t" + "sra %[temp17], %[temp8], 8 \n\t" + "sra %[temp15], %[temp8], 31 \n\t" + "sra %[temp12], %[temp11], 8 \n\t" + "sra %[temp10], %[temp11], 31 \n\t" + "sra %[temp9], %[temp16], 8 \n\t" + "sra %[temp3], %[temp16], 31 \n\t" + "beqz %[temp18], 13f \n\t" + "xor %[temp5], %[temp5], %[temp5] \n\t" + "movz %[temp5], %[temp6], %[temp1] \n\t" + "13: \n\t" + "beqz %[temp17], 14f \n\t" + "xor %[temp8], %[temp8], %[temp8] \n\t" + "movz %[temp8], %[temp6], %[temp15] \n\t" + "14: \n\t" + "beqz %[temp12], 15f \n\t" + "xor %[temp11], %[temp11], %[temp11] \n\t" + "movz %[temp11], %[temp6], %[temp10] \n\t" + "15: \n\t" + "beqz %[temp9], 16f \n\t" + "xor %[temp16], %[temp16], %[temp16] \n\t" + "movz %[temp16], %[temp6], %[temp3] \n\t" + "16: \n\t" + "sb %[temp5], 0+3*" XSTR(BPS) "(%[dst]) \n\t" + "sb %[temp8], 1+3*" XSTR(BPS) "(%[dst]) \n\t" + "sb %[temp11], 2+3*" XSTR(BPS) "(%[dst]) \n\t" + "sb %[temp16], 3+3*" XSTR(BPS) "(%[dst]) \n\t" + + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), + [temp9]"=&r"(temp9), [temp10]"=&r"(temp10), [temp11]"=&r"(temp11), + [temp12]"=&r"(temp12), [temp13]"=&r"(temp13), [temp14]"=&r"(temp14), + [temp15]"=&r"(temp15), [temp16]"=&r"(temp16), [temp17]"=&r"(temp17), + [temp18]"=&r"(temp18) + : [in]"r"(p_in), [kC1]"r"(kC1), [kC2]"r"(kC2), [dst]"r"(dst) + : "memory", "hi", "lo" + ); +} + +static void TransformTwo(const int16_t* in, uint8_t* dst, int do_two) { + TransformOne(in, dst); + if (do_two) { + TransformOne(in + 16, dst + 4); + } +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8DspInitMIPS32(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitMIPS32(void) { + VP8InitClipTables(); + + VP8Transform = TransformTwo; + + VP8VFilter16 = VFilter16; + VP8HFilter16 = HFilter16; + VP8VFilter8 = VFilter8; + VP8HFilter8 = HFilter8; + VP8VFilter16i = VFilter16i; + VP8HFilter16i = HFilter16i; + VP8VFilter8i = VFilter8i; + VP8HFilter8i = HFilter8i; + + VP8SimpleVFilter16 = SimpleVFilter16; + VP8SimpleHFilter16 = SimpleHFilter16; + VP8SimpleVFilter16i = SimpleVFilter16i; + VP8SimpleHFilter16i = SimpleHFilter16i; +} + +#else // !WEBP_USE_MIPS32 + +WEBP_DSP_INIT_STUB(VP8DspInitMIPS32) + +#endif // WEBP_USE_MIPS32 diff --git a/ProductApp/Pods/libwebp/src/dsp/dec_mips_dsp_r2.c b/ProductApp/Pods/libwebp/src/dsp/dec_mips_dsp_r2.c new file mode 100644 index 0000000..b0936bc --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/dec_mips_dsp_r2.c @@ -0,0 +1,994 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// MIPS version of dsp functions +// +// Author(s): Djordje Pesut (djordje.pesut@imgtec.com) +// Jovan Zelincevic (jovan.zelincevic@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MIPS_DSP_R2) + +#include "src/dsp/mips_macro.h" + +static const int kC1 = 20091 + (1 << 16); +static const int kC2 = 35468; + +#define MUL(a, b) (((a) * (b)) >> 16) + +static void TransformDC(const int16_t* in, uint8_t* dst) { + int temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9, temp10; + + __asm__ volatile ( + LOAD_WITH_OFFSET_X4(temp1, temp2, temp3, temp4, dst, + 0, 0, 0, 0, + 0, 1, 2, 3, + BPS) + "lh %[temp5], 0(%[in]) \n\t" + "addiu %[temp5], %[temp5], 4 \n\t" + "ins %[temp5], %[temp5], 16, 16 \n\t" + "shra.ph %[temp5], %[temp5], 3 \n\t" + CONVERT_2_BYTES_TO_HALF(temp6, temp7, temp8, temp9, temp10, temp1, temp2, + temp3, temp1, temp2, temp3, temp4) + STORE_SAT_SUM_X2(temp6, temp7, temp8, temp9, temp10, temp1, temp2, temp3, + temp5, temp5, temp5, temp5, temp5, temp5, temp5, temp5, + dst, 0, 1, 2, 3, BPS) + + OUTPUT_EARLY_CLOBBER_REGS_10() + : [in]"r"(in), [dst]"r"(dst) + : "memory" + ); +} + +static void TransformAC3(const int16_t* in, uint8_t* dst) { + const int a = in[0] + 4; + int c4 = MUL(in[4], kC2); + const int d4 = MUL(in[4], kC1); + const int c1 = MUL(in[1], kC2); + const int d1 = MUL(in[1], kC1); + int temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9; + int temp10, temp11, temp12, temp13, temp14, temp15, temp16, temp17, temp18; + + __asm__ volatile ( + "ins %[c4], %[d4], 16, 16 \n\t" + "replv.ph %[temp1], %[a] \n\t" + "replv.ph %[temp4], %[d1] \n\t" + ADD_SUB_HALVES(temp2, temp3, temp1, c4) + "replv.ph %[temp5], %[c1] \n\t" + SHIFT_R_SUM_X2(temp1, temp6, temp7, temp8, temp2, temp9, temp10, temp4, + temp2, temp2, temp3, temp3, temp4, temp5, temp4, temp5) + LOAD_WITH_OFFSET_X4(temp3, temp5, temp11, temp12, dst, + 0, 0, 0, 0, + 0, 1, 2, 3, + BPS) + CONVERT_2_BYTES_TO_HALF(temp13, temp14, temp3, temp15, temp5, temp16, + temp11, temp17, temp3, temp5, temp11, temp12) + PACK_2_HALVES_TO_WORD(temp12, temp18, temp7, temp6, temp1, temp8, temp2, + temp4, temp7, temp6, temp10, temp9) + STORE_SAT_SUM_X2(temp13, temp14, temp3, temp15, temp5, temp16, temp11, + temp17, temp12, temp18, temp1, temp8, temp2, temp4, + temp7, temp6, dst, 0, 1, 2, 3, BPS) + + OUTPUT_EARLY_CLOBBER_REGS_18(), + [c4]"+&r"(c4) + : [dst]"r"(dst), [a]"r"(a), [d1]"r"(d1), [d4]"r"(d4), [c1]"r"(c1) + : "memory" + ); +} + +static void TransformOne(const int16_t* in, uint8_t* dst) { + int temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9; + int temp10, temp11, temp12, temp13, temp14, temp15, temp16, temp17, temp18; + + __asm__ volatile ( + "ulw %[temp1], 0(%[in]) \n\t" + "ulw %[temp2], 16(%[in]) \n\t" + LOAD_IN_X2(temp5, temp6, 24, 26) + ADD_SUB_HALVES(temp3, temp4, temp1, temp2) + LOAD_IN_X2(temp1, temp2, 8, 10) + MUL_SHIFT_SUM(temp7, temp8, temp9, temp10, temp11, temp12, temp13, temp14, + temp10, temp8, temp9, temp7, temp1, temp2, temp5, temp6, + temp13, temp11, temp14, temp12) + INSERT_HALF_X2(temp8, temp7, temp10, temp9) + "ulw %[temp17], 4(%[in]) \n\t" + "ulw %[temp18], 20(%[in]) \n\t" + ADD_SUB_HALVES(temp1, temp2, temp3, temp8) + ADD_SUB_HALVES(temp5, temp6, temp4, temp7) + ADD_SUB_HALVES(temp7, temp8, temp17, temp18) + LOAD_IN_X2(temp17, temp18, 12, 14) + LOAD_IN_X2(temp9, temp10, 28, 30) + MUL_SHIFT_SUM(temp11, temp12, temp13, temp14, temp15, temp16, temp4, temp17, + temp12, temp14, temp11, temp13, temp17, temp18, temp9, temp10, + temp15, temp4, temp16, temp17) + INSERT_HALF_X2(temp11, temp12, temp13, temp14) + ADD_SUB_HALVES(temp17, temp8, temp8, temp11) + ADD_SUB_HALVES(temp3, temp4, temp7, temp12) + + // horizontal + SRA_16(temp9, temp10, temp11, temp12, temp1, temp2, temp5, temp6) + INSERT_HALF_X2(temp1, temp6, temp5, temp2) + SRA_16(temp13, temp14, temp15, temp16, temp3, temp4, temp17, temp8) + "repl.ph %[temp2], 0x4 \n\t" + INSERT_HALF_X2(temp3, temp8, temp17, temp4) + "addq.ph %[temp1], %[temp1], %[temp2] \n\t" + "addq.ph %[temp6], %[temp6], %[temp2] \n\t" + ADD_SUB_HALVES(temp2, temp4, temp1, temp3) + ADD_SUB_HALVES(temp5, temp7, temp6, temp8) + MUL_SHIFT_SUM(temp1, temp3, temp6, temp8, temp9, temp13, temp17, temp18, + temp3, temp13, temp1, temp9, temp9, temp13, temp11, temp15, + temp6, temp17, temp8, temp18) + MUL_SHIFT_SUM(temp6, temp8, temp18, temp17, temp11, temp15, temp12, temp16, + temp8, temp15, temp6, temp11, temp12, temp16, temp10, temp14, + temp18, temp12, temp17, temp16) + INSERT_HALF_X2(temp1, temp3, temp9, temp13) + INSERT_HALF_X2(temp6, temp8, temp11, temp15) + SHIFT_R_SUM_X2(temp9, temp10, temp11, temp12, temp13, temp14, temp15, + temp16, temp2, temp4, temp5, temp7, temp3, temp1, temp8, + temp6) + PACK_2_HALVES_TO_WORD(temp1, temp2, temp3, temp4, temp9, temp12, temp13, + temp16, temp11, temp10, temp15, temp14) + LOAD_WITH_OFFSET_X4(temp10, temp11, temp14, temp15, dst, + 0, 0, 0, 0, + 0, 1, 2, 3, + BPS) + CONVERT_2_BYTES_TO_HALF(temp5, temp6, temp7, temp8, temp17, temp18, temp10, + temp11, temp10, temp11, temp14, temp15) + STORE_SAT_SUM_X2(temp5, temp6, temp7, temp8, temp17, temp18, temp10, temp11, + temp9, temp12, temp1, temp2, temp13, temp16, temp3, temp4, + dst, 0, 1, 2, 3, BPS) + + OUTPUT_EARLY_CLOBBER_REGS_18() + : [dst]"r"(dst), [in]"r"(in), [kC1]"r"(kC1), [kC2]"r"(kC2) + : "memory", "hi", "lo" + ); +} + +static void TransformTwo(const int16_t* in, uint8_t* dst, int do_two) { + TransformOne(in, dst); + if (do_two) { + TransformOne(in + 16, dst + 4); + } +} + +static WEBP_INLINE void FilterLoop26(uint8_t* p, + int hstride, int vstride, int size, + int thresh, int ithresh, int hev_thresh) { + const int thresh2 = 2 * thresh + 1; + int temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9; + int temp10, temp11, temp12, temp13, temp14, temp15; + + __asm__ volatile ( + ".set push \n\t" + ".set noreorder \n\t" + "1: \n\t" + "negu %[temp1], %[hstride] \n\t" + "addiu %[size], %[size], -1 \n\t" + "sll %[temp2], %[hstride], 1 \n\t" + "sll %[temp3], %[temp1], 1 \n\t" + "addu %[temp4], %[temp2], %[hstride] \n\t" + "addu %[temp5], %[temp3], %[temp1] \n\t" + "lbu %[temp7], 0(%[p]) \n\t" + "sll %[temp6], %[temp3], 1 \n\t" + "lbux %[temp8], %[temp5](%[p]) \n\t" + "lbux %[temp9], %[temp3](%[p]) \n\t" + "lbux %[temp10], %[temp1](%[p]) \n\t" + "lbux %[temp11], %[temp6](%[p]) \n\t" + "lbux %[temp12], %[hstride](%[p]) \n\t" + "lbux %[temp13], %[temp2](%[p]) \n\t" + "lbux %[temp14], %[temp4](%[p]) \n\t" + "subu %[temp1], %[temp10], %[temp7] \n\t" + "subu %[temp2], %[temp9], %[temp12] \n\t" + "absq_s.w %[temp3], %[temp1] \n\t" + "absq_s.w %[temp4], %[temp2] \n\t" + "negu %[temp1], %[temp1] \n\t" + "sll %[temp3], %[temp3], 2 \n\t" + "addu %[temp15], %[temp3], %[temp4] \n\t" + "subu %[temp3], %[temp15], %[thresh2] \n\t" + "sll %[temp6], %[temp1], 1 \n\t" + "bgtz %[temp3], 3f \n\t" + " subu %[temp4], %[temp11], %[temp8] \n\t" + "absq_s.w %[temp4], %[temp4] \n\t" + "shll_s.w %[temp2], %[temp2], 24 \n\t" + "subu %[temp4], %[temp4], %[ithresh] \n\t" + "bgtz %[temp4], 3f \n\t" + " subu %[temp3], %[temp8], %[temp9] \n\t" + "absq_s.w %[temp3], %[temp3] \n\t" + "subu %[temp3], %[temp3], %[ithresh] \n\t" + "bgtz %[temp3], 3f \n\t" + " subu %[temp5], %[temp9], %[temp10] \n\t" + "absq_s.w %[temp3], %[temp5] \n\t" + "absq_s.w %[temp5], %[temp5] \n\t" + "subu %[temp3], %[temp3], %[ithresh] \n\t" + "bgtz %[temp3], 3f \n\t" + " subu %[temp3], %[temp14], %[temp13] \n\t" + "absq_s.w %[temp3], %[temp3] \n\t" + "slt %[temp5], %[hev_thresh], %[temp5] \n\t" + "subu %[temp3], %[temp3], %[ithresh] \n\t" + "bgtz %[temp3], 3f \n\t" + " subu %[temp3], %[temp13], %[temp12] \n\t" + "absq_s.w %[temp3], %[temp3] \n\t" + "sra %[temp4], %[temp2], 24 \n\t" + "subu %[temp3], %[temp3], %[ithresh] \n\t" + "bgtz %[temp3], 3f \n\t" + " subu %[temp15], %[temp12], %[temp7] \n\t" + "absq_s.w %[temp3], %[temp15] \n\t" + "absq_s.w %[temp15], %[temp15] \n\t" + "subu %[temp3], %[temp3], %[ithresh] \n\t" + "bgtz %[temp3], 3f \n\t" + " slt %[temp15], %[hev_thresh], %[temp15] \n\t" + "addu %[temp3], %[temp6], %[temp1] \n\t" + "or %[temp2], %[temp5], %[temp15] \n\t" + "addu %[temp5], %[temp4], %[temp3] \n\t" + "beqz %[temp2], 4f \n\t" + " shra_r.w %[temp1], %[temp5], 3 \n\t" + "addiu %[temp2], %[temp5], 3 \n\t" + "sra %[temp2], %[temp2], 3 \n\t" + "shll_s.w %[temp1], %[temp1], 27 \n\t" + "shll_s.w %[temp2], %[temp2], 27 \n\t" + "subu %[temp3], %[p], %[hstride] \n\t" + "sra %[temp1], %[temp1], 27 \n\t" + "sra %[temp2], %[temp2], 27 \n\t" + "subu %[temp1], %[temp7], %[temp1] \n\t" + "addu %[temp2], %[temp10], %[temp2] \n\t" + "lbux %[temp2], %[temp2](%[VP8kclip1]) \n\t" + "lbux %[temp1], %[temp1](%[VP8kclip1]) \n\t" + "sb %[temp2], 0(%[temp3]) \n\t" + "j 3f \n\t" + " sb %[temp1], 0(%[p]) \n\t" + "4: \n\t" + "shll_s.w %[temp5], %[temp5], 24 \n\t" + "subu %[temp14], %[p], %[hstride] \n\t" + "subu %[temp11], %[temp14], %[hstride] \n\t" + "sra %[temp6], %[temp5], 24 \n\t" + "sll %[temp1], %[temp6], 3 \n\t" + "subu %[temp15], %[temp11], %[hstride] \n\t" + "addu %[temp2], %[temp6], %[temp1] \n\t" + "sll %[temp3], %[temp2], 1 \n\t" + "addu %[temp4], %[temp3], %[temp2] \n\t" + "addiu %[temp2], %[temp2], 63 \n\t" + "addiu %[temp3], %[temp3], 63 \n\t" + "addiu %[temp4], %[temp4], 63 \n\t" + "sra %[temp2], %[temp2], 7 \n\t" + "sra %[temp3], %[temp3], 7 \n\t" + "sra %[temp4], %[temp4], 7 \n\t" + "addu %[temp1], %[temp8], %[temp2] \n\t" + "addu %[temp5], %[temp9], %[temp3] \n\t" + "addu %[temp6], %[temp10], %[temp4] \n\t" + "subu %[temp8], %[temp7], %[temp4] \n\t" + "subu %[temp7], %[temp12], %[temp3] \n\t" + "addu %[temp10], %[p], %[hstride] \n\t" + "subu %[temp9], %[temp13], %[temp2] \n\t" + "addu %[temp12], %[temp10], %[hstride] \n\t" + "lbux %[temp2], %[temp1](%[VP8kclip1]) \n\t" + "lbux %[temp3], %[temp5](%[VP8kclip1]) \n\t" + "lbux %[temp4], %[temp6](%[VP8kclip1]) \n\t" + "lbux %[temp5], %[temp8](%[VP8kclip1]) \n\t" + "lbux %[temp6], %[temp7](%[VP8kclip1]) \n\t" + "lbux %[temp8], %[temp9](%[VP8kclip1]) \n\t" + "sb %[temp2], 0(%[temp15]) \n\t" + "sb %[temp3], 0(%[temp11]) \n\t" + "sb %[temp4], 0(%[temp14]) \n\t" + "sb %[temp5], 0(%[p]) \n\t" + "sb %[temp6], 0(%[temp10]) \n\t" + "sb %[temp8], 0(%[temp12]) \n\t" + "3: \n\t" + "bgtz %[size], 1b \n\t" + " addu %[p], %[p], %[vstride] \n\t" + ".set pop \n\t" + : [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),[temp3]"=&r"(temp3), + [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [temp6]"=&r"(temp6), + [temp7]"=&r"(temp7),[temp8]"=&r"(temp8),[temp9]"=&r"(temp9), + [temp10]"=&r"(temp10),[temp11]"=&r"(temp11),[temp12]"=&r"(temp12), + [temp13]"=&r"(temp13),[temp14]"=&r"(temp14),[temp15]"=&r"(temp15), + [size]"+&r"(size), [p]"+&r"(p) + : [hstride]"r"(hstride), [thresh2]"r"(thresh2), + [ithresh]"r"(ithresh),[vstride]"r"(vstride), [hev_thresh]"r"(hev_thresh), + [VP8kclip1]"r"(VP8kclip1) + : "memory" + ); +} + +static WEBP_INLINE void FilterLoop24(uint8_t* p, + int hstride, int vstride, int size, + int thresh, int ithresh, int hev_thresh) { + int p0, q0, p1, q1, p2, q2, p3, q3; + int step1, step2, temp1, temp2, temp3, temp4; + uint8_t* pTemp0; + uint8_t* pTemp1; + const int thresh2 = 2 * thresh + 1; + + __asm__ volatile ( + ".set push \n\t" + ".set noreorder \n\t" + "bltz %[size], 3f \n\t" + " nop \n\t" + "2: \n\t" + "negu %[step1], %[hstride] \n\t" + "lbu %[q0], 0(%[p]) \n\t" + "lbux %[p0], %[step1](%[p]) \n\t" + "subu %[step1], %[step1], %[hstride] \n\t" + "lbux %[q1], %[hstride](%[p]) \n\t" + "subu %[temp1], %[p0], %[q0] \n\t" + "lbux %[p1], %[step1](%[p]) \n\t" + "addu %[step2], %[hstride], %[hstride] \n\t" + "absq_s.w %[temp2], %[temp1] \n\t" + "subu %[temp3], %[p1], %[q1] \n\t" + "absq_s.w %[temp4], %[temp3] \n\t" + "sll %[temp2], %[temp2], 2 \n\t" + "addu %[temp2], %[temp2], %[temp4] \n\t" + "subu %[temp4], %[temp2], %[thresh2] \n\t" + "subu %[step1], %[step1], %[hstride] \n\t" + "bgtz %[temp4], 0f \n\t" + " lbux %[p2], %[step1](%[p]) \n\t" + "subu %[step1], %[step1], %[hstride] \n\t" + "lbux %[q2], %[step2](%[p]) \n\t" + "lbux %[p3], %[step1](%[p]) \n\t" + "subu %[temp4], %[p2], %[p1] \n\t" + "addu %[step2], %[step2], %[hstride] \n\t" + "subu %[temp2], %[p3], %[p2] \n\t" + "absq_s.w %[temp4], %[temp4] \n\t" + "absq_s.w %[temp2], %[temp2] \n\t" + "lbux %[q3], %[step2](%[p]) \n\t" + "subu %[temp4], %[temp4], %[ithresh] \n\t" + "negu %[temp1], %[temp1] \n\t" + "bgtz %[temp4], 0f \n\t" + " subu %[temp2], %[temp2], %[ithresh] \n\t" + "subu %[p3], %[p1], %[p0] \n\t" + "bgtz %[temp2], 0f \n\t" + " absq_s.w %[p3], %[p3] \n\t" + "subu %[temp4], %[q3], %[q2] \n\t" + "subu %[pTemp0], %[p], %[hstride] \n\t" + "absq_s.w %[temp4], %[temp4] \n\t" + "subu %[temp2], %[p3], %[ithresh] \n\t" + "sll %[step1], %[temp1], 1 \n\t" + "bgtz %[temp2], 0f \n\t" + " subu %[temp4], %[temp4], %[ithresh] \n\t" + "subu %[temp2], %[q2], %[q1] \n\t" + "bgtz %[temp4], 0f \n\t" + " absq_s.w %[temp2], %[temp2] \n\t" + "subu %[q3], %[q1], %[q0] \n\t" + "absq_s.w %[q3], %[q3] \n\t" + "subu %[temp2], %[temp2], %[ithresh] \n\t" + "addu %[temp1], %[temp1], %[step1] \n\t" + "bgtz %[temp2], 0f \n\t" + " subu %[temp4], %[q3], %[ithresh] \n\t" + "slt %[p3], %[hev_thresh], %[p3] \n\t" + "bgtz %[temp4], 0f \n\t" + " slt %[q3], %[hev_thresh], %[q3] \n\t" + "or %[q3], %[q3], %[p3] \n\t" + "bgtz %[q3], 1f \n\t" + " shra_r.w %[temp2], %[temp1], 3 \n\t" + "addiu %[temp1], %[temp1], 3 \n\t" + "sra %[temp1], %[temp1], 3 \n\t" + "shll_s.w %[temp2], %[temp2], 27 \n\t" + "shll_s.w %[temp1], %[temp1], 27 \n\t" + "addu %[pTemp1], %[p], %[hstride] \n\t" + "sra %[temp2], %[temp2], 27 \n\t" + "sra %[temp1], %[temp1], 27 \n\t" + "addiu %[step1], %[temp2], 1 \n\t" + "sra %[step1], %[step1], 1 \n\t" + "addu %[p0], %[p0], %[temp1] \n\t" + "addu %[p1], %[p1], %[step1] \n\t" + "subu %[q0], %[q0], %[temp2] \n\t" + "subu %[q1], %[q1], %[step1] \n\t" + "lbux %[temp2], %[p0](%[VP8kclip1]) \n\t" + "lbux %[temp3], %[q0](%[VP8kclip1]) \n\t" + "lbux %[temp4], %[q1](%[VP8kclip1]) \n\t" + "sb %[temp2], 0(%[pTemp0]) \n\t" + "lbux %[temp1], %[p1](%[VP8kclip1]) \n\t" + "subu %[pTemp0], %[pTemp0], %[hstride] \n\t" + "sb %[temp3], 0(%[p]) \n\t" + "sb %[temp4], 0(%[pTemp1]) \n\t" + "j 0f \n\t" + " sb %[temp1], 0(%[pTemp0]) \n\t" + "1: \n\t" + "shll_s.w %[temp3], %[temp3], 24 \n\t" + "sra %[temp3], %[temp3], 24 \n\t" + "addu %[temp1], %[temp1], %[temp3] \n\t" + "shra_r.w %[temp2], %[temp1], 3 \n\t" + "addiu %[temp1], %[temp1], 3 \n\t" + "shll_s.w %[temp2], %[temp2], 27 \n\t" + "sra %[temp1], %[temp1], 3 \n\t" + "shll_s.w %[temp1], %[temp1], 27 \n\t" + "sra %[temp2], %[temp2], 27 \n\t" + "sra %[temp1], %[temp1], 27 \n\t" + "addu %[p0], %[p0], %[temp1] \n\t" + "subu %[q0], %[q0], %[temp2] \n\t" + "lbux %[temp1], %[p0](%[VP8kclip1]) \n\t" + "lbux %[temp2], %[q0](%[VP8kclip1]) \n\t" + "sb %[temp2], 0(%[p]) \n\t" + "sb %[temp1], 0(%[pTemp0]) \n\t" + "0: \n\t" + "subu %[size], %[size], 1 \n\t" + "bgtz %[size], 2b \n\t" + " addu %[p], %[p], %[vstride] \n\t" + "3: \n\t" + ".set pop \n\t" + : [p0]"=&r"(p0), [q0]"=&r"(q0), [p1]"=&r"(p1), [q1]"=&r"(q1), + [p2]"=&r"(p2), [q2]"=&r"(q2), [p3]"=&r"(p3), [q3]"=&r"(q3), + [step2]"=&r"(step2), [step1]"=&r"(step1), [temp1]"=&r"(temp1), + [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), + [pTemp0]"=&r"(pTemp0), [pTemp1]"=&r"(pTemp1), [p]"+&r"(p), + [size]"+&r"(size) + : [vstride]"r"(vstride), [ithresh]"r"(ithresh), + [hev_thresh]"r"(hev_thresh), [hstride]"r"(hstride), + [VP8kclip1]"r"(VP8kclip1), [thresh2]"r"(thresh2) + : "memory" + ); +} + +// on macroblock edges +static void VFilter16(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + FilterLoop26(p, stride, 1, 16, thresh, ithresh, hev_thresh); +} + +static void HFilter16(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + FilterLoop26(p, 1, stride, 16, thresh, ithresh, hev_thresh); +} + +// 8-pixels wide variant, for chroma filtering +static void VFilter8(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + FilterLoop26(u, stride, 1, 8, thresh, ithresh, hev_thresh); + FilterLoop26(v, stride, 1, 8, thresh, ithresh, hev_thresh); +} + +static void HFilter8(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + FilterLoop26(u, 1, stride, 8, thresh, ithresh, hev_thresh); + FilterLoop26(v, 1, stride, 8, thresh, ithresh, hev_thresh); +} + +// on three inner edges +static void VFilter16i(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + int k; + for (k = 3; k > 0; --k) { + p += 4 * stride; + FilterLoop24(p, stride, 1, 16, thresh, ithresh, hev_thresh); + } +} + +static void HFilter16i(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + int k; + for (k = 3; k > 0; --k) { + p += 4; + FilterLoop24(p, 1, stride, 16, thresh, ithresh, hev_thresh); + } +} + +static void VFilter8i(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + FilterLoop24(u + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh); + FilterLoop24(v + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh); +} + +static void HFilter8i(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + FilterLoop24(u + 4, 1, stride, 8, thresh, ithresh, hev_thresh); + FilterLoop24(v + 4, 1, stride, 8, thresh, ithresh, hev_thresh); +} + +#undef MUL + +//------------------------------------------------------------------------------ +// Simple In-loop filtering (Paragraph 15.2) + +static void SimpleVFilter16(uint8_t* p, int stride, int thresh) { + int i; + const int thresh2 = 2 * thresh + 1; + int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8; + uint8_t* p1 = p - stride; + __asm__ volatile ( + ".set push \n\t" + ".set noreorder \n\t" + "li %[i], 16 \n\t" + "0: \n\t" + "negu %[temp4], %[stride] \n\t" + "sll %[temp5], %[temp4], 1 \n\t" + "lbu %[temp2], 0(%[p]) \n\t" + "lbux %[temp3], %[stride](%[p]) \n\t" + "lbux %[temp1], %[temp4](%[p]) \n\t" + "lbux %[temp0], %[temp5](%[p]) \n\t" + "subu %[temp7], %[temp1], %[temp2] \n\t" + "subu %[temp6], %[temp0], %[temp3] \n\t" + "absq_s.w %[temp4], %[temp7] \n\t" + "absq_s.w %[temp5], %[temp6] \n\t" + "sll %[temp4], %[temp4], 2 \n\t" + "subu %[temp5], %[temp5], %[thresh2] \n\t" + "addu %[temp5], %[temp4], %[temp5] \n\t" + "negu %[temp8], %[temp7] \n\t" + "bgtz %[temp5], 1f \n\t" + " addiu %[i], %[i], -1 \n\t" + "sll %[temp4], %[temp8], 1 \n\t" + "shll_s.w %[temp5], %[temp6], 24 \n\t" + "addu %[temp3], %[temp4], %[temp8] \n\t" + "sra %[temp5], %[temp5], 24 \n\t" + "addu %[temp3], %[temp3], %[temp5] \n\t" + "addiu %[temp7], %[temp3], 3 \n\t" + "sra %[temp7], %[temp7], 3 \n\t" + "shra_r.w %[temp8], %[temp3], 3 \n\t" + "shll_s.w %[temp0], %[temp7], 27 \n\t" + "shll_s.w %[temp4], %[temp8], 27 \n\t" + "sra %[temp0], %[temp0], 27 \n\t" + "sra %[temp4], %[temp4], 27 \n\t" + "addu %[temp7], %[temp1], %[temp0] \n\t" + "subu %[temp2], %[temp2], %[temp4] \n\t" + "lbux %[temp3], %[temp7](%[VP8kclip1]) \n\t" + "lbux %[temp4], %[temp2](%[VP8kclip1]) \n\t" + "sb %[temp3], 0(%[p1]) \n\t" + "sb %[temp4], 0(%[p]) \n\t" + "1: \n\t" + "addiu %[p1], %[p1], 1 \n\t" + "bgtz %[i], 0b \n\t" + " addiu %[p], %[p], 1 \n\t" + " .set pop \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), + [p]"+&r"(p), [i]"=&r"(i), [p1]"+&r"(p1) + : [stride]"r"(stride), [VP8kclip1]"r"(VP8kclip1), [thresh2]"r"(thresh2) + : "memory" + ); +} + +// TEMP0 = SRC[A + A1 * BPS] +// TEMP1 = SRC[B + B1 * BPS] +// TEMP2 = SRC[C + C1 * BPS] +// TEMP3 = SRC[D + D1 * BPS] +#define LOAD_4_BYTES(TEMP0, TEMP1, TEMP2, TEMP3, \ + A, A1, B, B1, C, C1, D, D1, SRC) \ + "lbu %[" #TEMP0 "], " #A "+" #A1 "*" XSTR(BPS) "(%[" #SRC "]) \n\t" \ + "lbu %[" #TEMP1 "], " #B "+" #B1 "*" XSTR(BPS) "(%[" #SRC "]) \n\t" \ + "lbu %[" #TEMP2 "], " #C "+" #C1 "*" XSTR(BPS) "(%[" #SRC "]) \n\t" \ + "lbu %[" #TEMP3 "], " #D "+" #D1 "*" XSTR(BPS) "(%[" #SRC "]) \n\t" \ + +static void SimpleHFilter16(uint8_t* p, int stride, int thresh) { + int i; + const int thresh2 = 2 * thresh + 1; + int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8; + __asm__ volatile ( + ".set push \n\t" + ".set noreorder \n\t" + "li %[i], 16 \n\t" + "0: \n\t" + LOAD_4_BYTES(temp0, temp1, temp2, temp3, -2, 0, -1, 0, 0, 0, 1, 0, p) + "subu %[temp7], %[temp1], %[temp2] \n\t" + "subu %[temp6], %[temp0], %[temp3] \n\t" + "absq_s.w %[temp4], %[temp7] \n\t" + "absq_s.w %[temp5], %[temp6] \n\t" + "sll %[temp4], %[temp4], 2 \n\t" + "addu %[temp5], %[temp4], %[temp5] \n\t" + "subu %[temp5], %[temp5], %[thresh2] \n\t" + "negu %[temp8], %[temp7] \n\t" + "bgtz %[temp5], 1f \n\t" + " addiu %[i], %[i], -1 \n\t" + "sll %[temp4], %[temp8], 1 \n\t" + "shll_s.w %[temp5], %[temp6], 24 \n\t" + "addu %[temp3], %[temp4], %[temp8] \n\t" + "sra %[temp5], %[temp5], 24 \n\t" + "addu %[temp3], %[temp3], %[temp5] \n\t" + "addiu %[temp7], %[temp3], 3 \n\t" + "sra %[temp7], %[temp7], 3 \n\t" + "shra_r.w %[temp8], %[temp3], 3 \n\t" + "shll_s.w %[temp0], %[temp7], 27 \n\t" + "shll_s.w %[temp4], %[temp8], 27 \n\t" + "sra %[temp0], %[temp0], 27 \n\t" + "sra %[temp4], %[temp4], 27 \n\t" + "addu %[temp7], %[temp1], %[temp0] \n\t" + "subu %[temp2], %[temp2], %[temp4] \n\t" + "lbux %[temp3], %[temp7](%[VP8kclip1]) \n\t" + "lbux %[temp4], %[temp2](%[VP8kclip1]) \n\t" + "sb %[temp3], -1(%[p]) \n\t" + "sb %[temp4], 0(%[p]) \n\t" + "1: \n\t" + "bgtz %[i], 0b \n\t" + " addu %[p], %[p], %[stride] \n\t" + ".set pop \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), + [p]"+&r"(p), [i]"=&r"(i) + : [stride]"r"(stride), [VP8kclip1]"r"(VP8kclip1), [thresh2]"r"(thresh2) + : "memory" + ); +} + +static void SimpleVFilter16i(uint8_t* p, int stride, int thresh) { + int k; + for (k = 3; k > 0; --k) { + p += 4 * stride; + SimpleVFilter16(p, stride, thresh); + } +} + +static void SimpleHFilter16i(uint8_t* p, int stride, int thresh) { + int k; + for (k = 3; k > 0; --k) { + p += 4; + SimpleHFilter16(p, stride, thresh); + } +} + +// DST[A * BPS] = TEMP0 +// DST[B + C * BPS] = TEMP1 +#define STORE_8_BYTES(TEMP0, TEMP1, A, B, C, DST) \ + "usw %[" #TEMP0 "], " #A "*" XSTR(BPS) "(%[" #DST "]) \n\t" \ + "usw %[" #TEMP1 "], " #B "+" #C "*" XSTR(BPS) "(%[" #DST "]) \n\t" + +static void VE4(uint8_t* dst) { // vertical + const uint8_t* top = dst - BPS; + int temp0, temp1, temp2, temp3, temp4, temp5, temp6; + __asm__ volatile ( + "ulw %[temp0], -1(%[top]) \n\t" + "ulh %[temp1], 3(%[top]) \n\t" + "preceu.ph.qbr %[temp2], %[temp0] \n\t" + "preceu.ph.qbl %[temp3], %[temp0] \n\t" + "preceu.ph.qbr %[temp4], %[temp1] \n\t" + "packrl.ph %[temp5], %[temp3], %[temp2] \n\t" + "packrl.ph %[temp6], %[temp4], %[temp3] \n\t" + "shll.ph %[temp5], %[temp5], 1 \n\t" + "shll.ph %[temp6], %[temp6], 1 \n\t" + "addq.ph %[temp2], %[temp5], %[temp2] \n\t" + "addq.ph %[temp6], %[temp6], %[temp4] \n\t" + "addq.ph %[temp2], %[temp2], %[temp3] \n\t" + "addq.ph %[temp6], %[temp6], %[temp3] \n\t" + "shra_r.ph %[temp2], %[temp2], 2 \n\t" + "shra_r.ph %[temp6], %[temp6], 2 \n\t" + "precr.qb.ph %[temp4], %[temp6], %[temp2] \n\t" + STORE_8_BYTES(temp4, temp4, 0, 0, 1, dst) + STORE_8_BYTES(temp4, temp4, 2, 0, 3, dst) + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6) + : [top]"r"(top), [dst]"r"(dst) + : "memory" + ); +} + +static void DC4(uint8_t* dst) { // DC + int temp0, temp1, temp2, temp3, temp4; + __asm__ volatile ( + "ulw %[temp0], -1*" XSTR(BPS) "(%[dst]) \n\t" + LOAD_4_BYTES(temp1, temp2, temp3, temp4, -1, 0, -1, 1, -1, 2, -1, 3, dst) + "ins %[temp1], %[temp2], 8, 8 \n\t" + "ins %[temp1], %[temp3], 16, 8 \n\t" + "ins %[temp1], %[temp4], 24, 8 \n\t" + "raddu.w.qb %[temp0], %[temp0] \n\t" + "raddu.w.qb %[temp1], %[temp1] \n\t" + "addu %[temp0], %[temp0], %[temp1] \n\t" + "shra_r.w %[temp0], %[temp0], 3 \n\t" + "replv.qb %[temp0], %[temp0] \n\t" + STORE_8_BYTES(temp0, temp0, 0, 0, 1, dst) + STORE_8_BYTES(temp0, temp0, 2, 0, 3, dst) + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4) + : [dst]"r"(dst) + : "memory" + ); +} + +static void RD4(uint8_t* dst) { // Down-right + int temp0, temp1, temp2, temp3, temp4; + int temp5, temp6, temp7, temp8; + __asm__ volatile ( + LOAD_4_BYTES(temp0, temp1, temp2, temp3, -1, 0, -1, 1, -1, 2, -1, 3, dst) + "ulw %[temp7], -1-" XSTR(BPS) "(%[dst]) \n\t" + "ins %[temp1], %[temp0], 16, 16 \n\t" + "preceu.ph.qbr %[temp5], %[temp7] \n\t" + "ins %[temp2], %[temp1], 16, 16 \n\t" + "preceu.ph.qbl %[temp4], %[temp7] \n\t" + "ins %[temp3], %[temp2], 16, 16 \n\t" + "shll.ph %[temp2], %[temp2], 1 \n\t" + "addq.ph %[temp3], %[temp3], %[temp1] \n\t" + "packrl.ph %[temp6], %[temp5], %[temp1] \n\t" + "addq.ph %[temp3], %[temp3], %[temp2] \n\t" + "addq.ph %[temp1], %[temp1], %[temp5] \n\t" + "shll.ph %[temp6], %[temp6], 1 \n\t" + "addq.ph %[temp1], %[temp1], %[temp6] \n\t" + "packrl.ph %[temp0], %[temp4], %[temp5] \n\t" + "addq.ph %[temp8], %[temp5], %[temp4] \n\t" + "shra_r.ph %[temp3], %[temp3], 2 \n\t" + "shll.ph %[temp0], %[temp0], 1 \n\t" + "shra_r.ph %[temp1], %[temp1], 2 \n\t" + "addq.ph %[temp8], %[temp0], %[temp8] \n\t" + "lbu %[temp5], 3-" XSTR(BPS) "(%[dst]) \n\t" + "precrq.ph.w %[temp7], %[temp7], %[temp7] \n\t" + "shra_r.ph %[temp8], %[temp8], 2 \n\t" + "ins %[temp7], %[temp5], 0, 8 \n\t" + "precr.qb.ph %[temp2], %[temp1], %[temp3] \n\t" + "raddu.w.qb %[temp4], %[temp7] \n\t" + "precr.qb.ph %[temp6], %[temp8], %[temp1] \n\t" + "shra_r.w %[temp4], %[temp4], 2 \n\t" + STORE_8_BYTES(temp2, temp6, 3, 0, 1, dst) + "prepend %[temp2], %[temp8], 8 \n\t" + "prepend %[temp6], %[temp4], 8 \n\t" + STORE_8_BYTES(temp2, temp6, 2, 0, 0, dst) + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8) + : [dst]"r"(dst) + : "memory" + ); +} + +// TEMP0 = SRC[A * BPS] +// TEMP1 = SRC[B + C * BPS] +#define LOAD_8_BYTES(TEMP0, TEMP1, A, B, C, SRC) \ + "ulw %[" #TEMP0 "], " #A "*" XSTR(BPS) "(%[" #SRC "]) \n\t" \ + "ulw %[" #TEMP1 "], " #B "+" #C "*" XSTR(BPS) "(%[" #SRC "]) \n\t" + +static void LD4(uint8_t* dst) { // Down-Left + int temp0, temp1, temp2, temp3, temp4; + int temp5, temp6, temp7, temp8, temp9; + __asm__ volatile ( + LOAD_8_BYTES(temp0, temp1, -1, 4, -1, dst) + "preceu.ph.qbl %[temp2], %[temp0] \n\t" + "preceu.ph.qbr %[temp3], %[temp0] \n\t" + "preceu.ph.qbr %[temp4], %[temp1] \n\t" + "preceu.ph.qbl %[temp5], %[temp1] \n\t" + "packrl.ph %[temp6], %[temp2], %[temp3] \n\t" + "packrl.ph %[temp7], %[temp4], %[temp2] \n\t" + "packrl.ph %[temp8], %[temp5], %[temp4] \n\t" + "shll.ph %[temp6], %[temp6], 1 \n\t" + "addq.ph %[temp9], %[temp2], %[temp6] \n\t" + "shll.ph %[temp7], %[temp7], 1 \n\t" + "addq.ph %[temp9], %[temp9], %[temp3] \n\t" + "shll.ph %[temp8], %[temp8], 1 \n\t" + "shra_r.ph %[temp9], %[temp9], 2 \n\t" + "addq.ph %[temp3], %[temp4], %[temp7] \n\t" + "addq.ph %[temp0], %[temp5], %[temp8] \n\t" + "addq.ph %[temp3], %[temp3], %[temp2] \n\t" + "addq.ph %[temp0], %[temp0], %[temp4] \n\t" + "shra_r.ph %[temp3], %[temp3], 2 \n\t" + "shra_r.ph %[temp0], %[temp0], 2 \n\t" + "srl %[temp1], %[temp1], 24 \n\t" + "sll %[temp1], %[temp1], 1 \n\t" + "raddu.w.qb %[temp5], %[temp5] \n\t" + "precr.qb.ph %[temp9], %[temp3], %[temp9] \n\t" + "precr.qb.ph %[temp3], %[temp0], %[temp3] \n\t" + "addu %[temp1], %[temp1], %[temp5] \n\t" + "shra_r.w %[temp1], %[temp1], 2 \n\t" + STORE_8_BYTES(temp9, temp3, 0, 0, 2, dst) + "prepend %[temp9], %[temp0], 8 \n\t" + "prepend %[temp3], %[temp1], 8 \n\t" + STORE_8_BYTES(temp9, temp3, 1, 0, 3, dst) + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), + [temp9]"=&r"(temp9) + : [dst]"r"(dst) + : "memory" + ); +} + +//------------------------------------------------------------------------------ +// Chroma + +static void DC8uv(uint8_t* dst) { // DC + int temp0, temp1, temp2, temp3, temp4; + int temp5, temp6, temp7, temp8, temp9; + __asm__ volatile ( + LOAD_8_BYTES(temp0, temp1, -1, 4, -1, dst) + LOAD_4_BYTES(temp2, temp3, temp4, temp5, -1, 0, -1, 1, -1, 2, -1, 3, dst) + LOAD_4_BYTES(temp6, temp7, temp8, temp9, -1, 4, -1, 5, -1, 6, -1, 7, dst) + "raddu.w.qb %[temp0], %[temp0] \n\t" + "raddu.w.qb %[temp1], %[temp1] \n\t" + "addu %[temp2], %[temp2], %[temp3] \n\t" + "addu %[temp4], %[temp4], %[temp5] \n\t" + "addu %[temp6], %[temp6], %[temp7] \n\t" + "addu %[temp8], %[temp8], %[temp9] \n\t" + "addu %[temp0], %[temp0], %[temp1] \n\t" + "addu %[temp2], %[temp2], %[temp4] \n\t" + "addu %[temp6], %[temp6], %[temp8] \n\t" + "addu %[temp0], %[temp0], %[temp2] \n\t" + "addu %[temp0], %[temp0], %[temp6] \n\t" + "shra_r.w %[temp0], %[temp0], 4 \n\t" + "replv.qb %[temp0], %[temp0] \n\t" + STORE_8_BYTES(temp0, temp0, 0, 4, 0, dst) + STORE_8_BYTES(temp0, temp0, 1, 4, 1, dst) + STORE_8_BYTES(temp0, temp0, 2, 4, 2, dst) + STORE_8_BYTES(temp0, temp0, 3, 4, 3, dst) + STORE_8_BYTES(temp0, temp0, 4, 4, 4, dst) + STORE_8_BYTES(temp0, temp0, 5, 4, 5, dst) + STORE_8_BYTES(temp0, temp0, 6, 4, 6, dst) + STORE_8_BYTES(temp0, temp0, 7, 4, 7, dst) + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), + [temp9]"=&r"(temp9) + : [dst]"r"(dst) + : "memory" + ); +} + +static void DC8uvNoLeft(uint8_t* dst) { // DC with no left samples + int temp0, temp1; + __asm__ volatile ( + LOAD_8_BYTES(temp0, temp1, -1, 4, -1, dst) + "raddu.w.qb %[temp0], %[temp0] \n\t" + "raddu.w.qb %[temp1], %[temp1] \n\t" + "addu %[temp0], %[temp0], %[temp1] \n\t" + "shra_r.w %[temp0], %[temp0], 3 \n\t" + "replv.qb %[temp0], %[temp0] \n\t" + STORE_8_BYTES(temp0, temp0, 0, 4, 0, dst) + STORE_8_BYTES(temp0, temp0, 1, 4, 1, dst) + STORE_8_BYTES(temp0, temp0, 2, 4, 2, dst) + STORE_8_BYTES(temp0, temp0, 3, 4, 3, dst) + STORE_8_BYTES(temp0, temp0, 4, 4, 4, dst) + STORE_8_BYTES(temp0, temp0, 5, 4, 5, dst) + STORE_8_BYTES(temp0, temp0, 6, 4, 6, dst) + STORE_8_BYTES(temp0, temp0, 7, 4, 7, dst) + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1) + : [dst]"r"(dst) + : "memory" + ); +} + +static void DC8uvNoTop(uint8_t* dst) { // DC with no top samples + int temp0, temp1, temp2, temp3, temp4; + int temp5, temp6, temp7, temp8; + __asm__ volatile ( + LOAD_4_BYTES(temp2, temp3, temp4, temp5, -1, 0, -1, 1, -1, 2, -1, 3, dst) + LOAD_4_BYTES(temp6, temp7, temp8, temp1, -1, 4, -1, 5, -1, 6, -1, 7, dst) + "addu %[temp2], %[temp2], %[temp3] \n\t" + "addu %[temp4], %[temp4], %[temp5] \n\t" + "addu %[temp6], %[temp6], %[temp7] \n\t" + "addu %[temp8], %[temp8], %[temp1] \n\t" + "addu %[temp2], %[temp2], %[temp4] \n\t" + "addu %[temp6], %[temp6], %[temp8] \n\t" + "addu %[temp0], %[temp6], %[temp2] \n\t" + "shra_r.w %[temp0], %[temp0], 3 \n\t" + "replv.qb %[temp0], %[temp0] \n\t" + STORE_8_BYTES(temp0, temp0, 0, 4, 0, dst) + STORE_8_BYTES(temp0, temp0, 1, 4, 1, dst) + STORE_8_BYTES(temp0, temp0, 2, 4, 2, dst) + STORE_8_BYTES(temp0, temp0, 3, 4, 3, dst) + STORE_8_BYTES(temp0, temp0, 4, 4, 4, dst) + STORE_8_BYTES(temp0, temp0, 5, 4, 5, dst) + STORE_8_BYTES(temp0, temp0, 6, 4, 6, dst) + STORE_8_BYTES(temp0, temp0, 7, 4, 7, dst) + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8) + : [dst]"r"(dst) + : "memory" + ); +} + +#undef LOAD_8_BYTES +#undef STORE_8_BYTES +#undef LOAD_4_BYTES + +#define CLIPPING(SIZE) \ + "preceu.ph.qbl %[temp2], %[temp0] \n\t" \ + "preceu.ph.qbr %[temp0], %[temp0] \n\t" \ +".if " #SIZE " == 8 \n\t" \ + "preceu.ph.qbl %[temp3], %[temp1] \n\t" \ + "preceu.ph.qbr %[temp1], %[temp1] \n\t" \ +".endif \n\t" \ + "addu.ph %[temp2], %[temp2], %[dst_1] \n\t" \ + "addu.ph %[temp0], %[temp0], %[dst_1] \n\t" \ +".if " #SIZE " == 8 \n\t" \ + "addu.ph %[temp3], %[temp3], %[dst_1] \n\t" \ + "addu.ph %[temp1], %[temp1], %[dst_1] \n\t" \ +".endif \n\t" \ + "shll_s.ph %[temp2], %[temp2], 7 \n\t" \ + "shll_s.ph %[temp0], %[temp0], 7 \n\t" \ +".if " #SIZE " == 8 \n\t" \ + "shll_s.ph %[temp3], %[temp3], 7 \n\t" \ + "shll_s.ph %[temp1], %[temp1], 7 \n\t" \ +".endif \n\t" \ + "precrqu_s.qb.ph %[temp0], %[temp2], %[temp0] \n\t" \ +".if " #SIZE " == 8 \n\t" \ + "precrqu_s.qb.ph %[temp1], %[temp3], %[temp1] \n\t" \ +".endif \n\t" + + +#define CLIP_8B_TO_DST(DST, TOP, SIZE) do { \ + int dst_1 = ((int)(DST)[-1] << 16) + (DST)[-1]; \ + int temp0, temp1, temp2, temp3; \ + __asm__ volatile ( \ + ".if " #SIZE " < 8 \n\t" \ + "ulw %[temp0], 0(%[top]) \n\t" \ + "subu.ph %[dst_1], %[dst_1], %[top_1] \n\t" \ + CLIPPING(4) \ + "usw %[temp0], 0(%[dst]) \n\t" \ + ".else \n\t" \ + "ulw %[temp0], 0(%[top]) \n\t" \ + "ulw %[temp1], 4(%[top]) \n\t" \ + "subu.ph %[dst_1], %[dst_1], %[top_1] \n\t" \ + CLIPPING(8) \ + "usw %[temp0], 0(%[dst]) \n\t" \ + "usw %[temp1], 4(%[dst]) \n\t" \ + ".if " #SIZE " == 16 \n\t" \ + "ulw %[temp0], 8(%[top]) \n\t" \ + "ulw %[temp1], 12(%[top]) \n\t" \ + CLIPPING(8) \ + "usw %[temp0], 8(%[dst]) \n\t" \ + "usw %[temp1], 12(%[dst]) \n\t" \ + ".endif \n\t" \ + ".endif \n\t" \ + : [dst_1]"+&r"(dst_1), [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), \ + [temp2]"=&r"(temp2), [temp3]"=&r"(temp3) \ + : [top_1]"r"(top_1), [top]"r"((TOP)), [dst]"r"((DST)) \ + : "memory" \ + ); \ +} while (0) + +#define CLIP_TO_DST(DST, SIZE) do { \ + int y; \ + const uint8_t* top = (DST) - BPS; \ + const int top_1 = ((int)top[-1] << 16) + top[-1]; \ + for (y = 0; y < (SIZE); ++y) { \ + CLIP_8B_TO_DST((DST), top, (SIZE)); \ + (DST) += BPS; \ + } \ +} while (0) + +#define TRUE_MOTION(DST, SIZE) \ +static void TrueMotion##SIZE(uint8_t* (DST)) { \ + CLIP_TO_DST((DST), (SIZE)); \ +} + +TRUE_MOTION(dst, 4) +TRUE_MOTION(dst, 8) +TRUE_MOTION(dst, 16) + +#undef TRUE_MOTION +#undef CLIP_TO_DST +#undef CLIP_8B_TO_DST +#undef CLIPPING + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8DspInitMIPSdspR2(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitMIPSdspR2(void) { + VP8TransformDC = TransformDC; + VP8TransformAC3 = TransformAC3; + VP8Transform = TransformTwo; + + VP8VFilter16 = VFilter16; + VP8HFilter16 = HFilter16; + VP8VFilter8 = VFilter8; + VP8HFilter8 = HFilter8; + VP8VFilter16i = VFilter16i; + VP8HFilter16i = HFilter16i; + VP8VFilter8i = VFilter8i; + VP8HFilter8i = HFilter8i; + VP8SimpleVFilter16 = SimpleVFilter16; + VP8SimpleHFilter16 = SimpleHFilter16; + VP8SimpleVFilter16i = SimpleVFilter16i; + VP8SimpleHFilter16i = SimpleHFilter16i; + + VP8PredLuma4[0] = DC4; + VP8PredLuma4[1] = TrueMotion4; + VP8PredLuma4[2] = VE4; + VP8PredLuma4[4] = RD4; + VP8PredLuma4[6] = LD4; + + VP8PredChroma8[0] = DC8uv; + VP8PredChroma8[1] = TrueMotion8; + VP8PredChroma8[4] = DC8uvNoTop; + VP8PredChroma8[5] = DC8uvNoLeft; + + VP8PredLuma16[1] = TrueMotion16; +} + +#else // !WEBP_USE_MIPS_DSP_R2 + +WEBP_DSP_INIT_STUB(VP8DspInitMIPSdspR2) + +#endif // WEBP_USE_MIPS_DSP_R2 diff --git a/ProductApp/Pods/libwebp/src/dsp/dec_msa.c b/ProductApp/Pods/libwebp/src/dsp/dec_msa.c new file mode 100644 index 0000000..8090622 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/dec_msa.c @@ -0,0 +1,1020 @@ +// Copyright 2016 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// MSA version of dsp functions +// +// Author(s): Prashant Patil (prashant.patil@imgtec.com) + + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MSA) + +#include "src/dsp/msa_macro.h" + +//------------------------------------------------------------------------------ +// Transforms + +#define IDCT_1D_W(in0, in1, in2, in3, out0, out1, out2, out3) { \ + v4i32 a1_m, b1_m, c1_m, d1_m; \ + v4i32 c_tmp1_m, c_tmp2_m, d_tmp1_m, d_tmp2_m; \ + const v4i32 cospi8sqrt2minus1 = __msa_fill_w(20091); \ + const v4i32 sinpi8sqrt2 = __msa_fill_w(35468); \ + \ + a1_m = in0 + in2; \ + b1_m = in0 - in2; \ + c_tmp1_m = (in1 * sinpi8sqrt2) >> 16; \ + c_tmp2_m = in3 + ((in3 * cospi8sqrt2minus1) >> 16); \ + c1_m = c_tmp1_m - c_tmp2_m; \ + d_tmp1_m = in1 + ((in1 * cospi8sqrt2minus1) >> 16); \ + d_tmp2_m = (in3 * sinpi8sqrt2) >> 16; \ + d1_m = d_tmp1_m + d_tmp2_m; \ + BUTTERFLY_4(a1_m, b1_m, c1_m, d1_m, out0, out1, out2, out3); \ +} +#define MULT1(a) ((((a) * 20091) >> 16) + (a)) +#define MULT2(a) (((a) * 35468) >> 16) + +static void TransformOne(const int16_t* in, uint8_t* dst) { + v8i16 input0, input1; + v4i32 in0, in1, in2, in3, hz0, hz1, hz2, hz3, vt0, vt1, vt2, vt3; + v4i32 res0, res1, res2, res3; + const v16i8 zero = { 0 }; + v16i8 dest0, dest1, dest2, dest3; + + LD_SH2(in, 8, input0, input1); + UNPCK_SH_SW(input0, in0, in1); + UNPCK_SH_SW(input1, in2, in3); + IDCT_1D_W(in0, in1, in2, in3, hz0, hz1, hz2, hz3); + TRANSPOSE4x4_SW_SW(hz0, hz1, hz2, hz3, hz0, hz1, hz2, hz3); + IDCT_1D_W(hz0, hz1, hz2, hz3, vt0, vt1, vt2, vt3); + SRARI_W4_SW(vt0, vt1, vt2, vt3, 3); + TRANSPOSE4x4_SW_SW(vt0, vt1, vt2, vt3, vt0, vt1, vt2, vt3); + LD_SB4(dst, BPS, dest0, dest1, dest2, dest3); + ILVR_B4_SW(zero, dest0, zero, dest1, zero, dest2, zero, dest3, + res0, res1, res2, res3); + ILVR_H4_SW(zero, res0, zero, res1, zero, res2, zero, res3, + res0, res1, res2, res3); + ADD4(res0, vt0, res1, vt1, res2, vt2, res3, vt3, res0, res1, res2, res3); + CLIP_SW4_0_255(res0, res1, res2, res3); + PCKEV_B2_SW(res0, res1, res2, res3, vt0, vt1); + res0 = (v4i32)__msa_pckev_b((v16i8)vt0, (v16i8)vt1); + ST4x4_UB(res0, res0, 3, 2, 1, 0, dst, BPS); +} + +static void TransformTwo(const int16_t* in, uint8_t* dst, int do_two) { + TransformOne(in, dst); + if (do_two) { + TransformOne(in + 16, dst + 4); + } +} + +static void TransformWHT(const int16_t* in, int16_t* out) { + v8i16 input0, input1; + const v8i16 mask0 = { 0, 1, 2, 3, 8, 9, 10, 11 }; + const v8i16 mask1 = { 4, 5, 6, 7, 12, 13, 14, 15 }; + const v8i16 mask2 = { 0, 4, 8, 12, 1, 5, 9, 13 }; + const v8i16 mask3 = { 3, 7, 11, 15, 2, 6, 10, 14 }; + v8i16 tmp0, tmp1, tmp2, tmp3; + v8i16 out0, out1; + + LD_SH2(in, 8, input0, input1); + input1 = SLDI_SH(input1, input1, 8); + tmp0 = input0 + input1; + tmp1 = input0 - input1; + VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask0, mask1, tmp2, tmp3); + out0 = tmp2 + tmp3; + out1 = tmp2 - tmp3; + VSHF_H2_SH(out0, out1, out0, out1, mask2, mask3, input0, input1); + tmp0 = input0 + input1; + tmp1 = input0 - input1; + VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask0, mask1, tmp2, tmp3); + tmp0 = tmp2 + tmp3; + tmp1 = tmp2 - tmp3; + ADDVI_H2_SH(tmp0, 3, tmp1, 3, out0, out1); + SRAI_H2_SH(out0, out1, 3); + out[0] = __msa_copy_s_h(out0, 0); + out[16] = __msa_copy_s_h(out0, 4); + out[32] = __msa_copy_s_h(out1, 0); + out[48] = __msa_copy_s_h(out1, 4); + out[64] = __msa_copy_s_h(out0, 1); + out[80] = __msa_copy_s_h(out0, 5); + out[96] = __msa_copy_s_h(out1, 1); + out[112] = __msa_copy_s_h(out1, 5); + out[128] = __msa_copy_s_h(out0, 2); + out[144] = __msa_copy_s_h(out0, 6); + out[160] = __msa_copy_s_h(out1, 2); + out[176] = __msa_copy_s_h(out1, 6); + out[192] = __msa_copy_s_h(out0, 3); + out[208] = __msa_copy_s_h(out0, 7); + out[224] = __msa_copy_s_h(out1, 3); + out[240] = __msa_copy_s_h(out1, 7); +} + +static void TransformDC(const int16_t* in, uint8_t* dst) { + const int DC = (in[0] + 4) >> 3; + const v8i16 tmp0 = __msa_fill_h(DC); + ADDBLK_ST4x4_UB(tmp0, tmp0, tmp0, tmp0, dst, BPS); +} + +static void TransformAC3(const int16_t* in, uint8_t* dst) { + const int a = in[0] + 4; + const int c4 = MULT2(in[4]); + const int d4 = MULT1(in[4]); + const int in2 = MULT2(in[1]); + const int in3 = MULT1(in[1]); + v4i32 tmp0 = { 0 }; + v4i32 out0 = __msa_fill_w(a + d4); + v4i32 out1 = __msa_fill_w(a + c4); + v4i32 out2 = __msa_fill_w(a - c4); + v4i32 out3 = __msa_fill_w(a - d4); + v4i32 res0, res1, res2, res3; + const v4i32 zero = { 0 }; + v16u8 dest0, dest1, dest2, dest3; + + INSERT_W4_SW(in3, in2, -in2, -in3, tmp0); + ADD4(out0, tmp0, out1, tmp0, out2, tmp0, out3, tmp0, + out0, out1, out2, out3); + SRAI_W4_SW(out0, out1, out2, out3, 3); + LD_UB4(dst, BPS, dest0, dest1, dest2, dest3); + ILVR_B4_SW(zero, dest0, zero, dest1, zero, dest2, zero, dest3, + res0, res1, res2, res3); + ILVR_H4_SW(zero, res0, zero, res1, zero, res2, zero, res3, + res0, res1, res2, res3); + ADD4(res0, out0, res1, out1, res2, out2, res3, out3, res0, res1, res2, res3); + CLIP_SW4_0_255(res0, res1, res2, res3); + PCKEV_B2_SW(res0, res1, res2, res3, out0, out1); + res0 = (v4i32)__msa_pckev_b((v16i8)out0, (v16i8)out1); + ST4x4_UB(res0, res0, 3, 2, 1, 0, dst, BPS); +} + +//------------------------------------------------------------------------------ +// Edge filtering functions + +#define FLIP_SIGN2(in0, in1, out0, out1) { \ + out0 = (v16i8)__msa_xori_b(in0, 0x80); \ + out1 = (v16i8)__msa_xori_b(in1, 0x80); \ +} + +#define FLIP_SIGN4(in0, in1, in2, in3, out0, out1, out2, out3) { \ + FLIP_SIGN2(in0, in1, out0, out1); \ + FLIP_SIGN2(in2, in3, out2, out3); \ +} + +#define FILT_VAL(q0_m, p0_m, mask, filt) do { \ + v16i8 q0_sub_p0; \ + q0_sub_p0 = __msa_subs_s_b(q0_m, p0_m); \ + filt = __msa_adds_s_b(filt, q0_sub_p0); \ + filt = __msa_adds_s_b(filt, q0_sub_p0); \ + filt = __msa_adds_s_b(filt, q0_sub_p0); \ + filt = filt & mask; \ +} while (0) + +#define FILT2(q_m, p_m, q, p) do { \ + u_r = SRAI_H(temp1, 7); \ + u_r = __msa_sat_s_h(u_r, 7); \ + u_l = SRAI_H(temp3, 7); \ + u_l = __msa_sat_s_h(u_l, 7); \ + u = __msa_pckev_b((v16i8)u_l, (v16i8)u_r); \ + q_m = __msa_subs_s_b(q_m, u); \ + p_m = __msa_adds_s_b(p_m, u); \ + q = __msa_xori_b((v16u8)q_m, 0x80); \ + p = __msa_xori_b((v16u8)p_m, 0x80); \ +} while (0) + +#define LPF_FILTER4_4W(p1, p0, q0, q1, mask, hev) do { \ + v16i8 p1_m, p0_m, q0_m, q1_m; \ + v16i8 filt, t1, t2; \ + const v16i8 cnst4b = __msa_ldi_b(4); \ + const v16i8 cnst3b = __msa_ldi_b(3); \ + \ + FLIP_SIGN4(p1, p0, q0, q1, p1_m, p0_m, q0_m, q1_m); \ + filt = __msa_subs_s_b(p1_m, q1_m); \ + filt = filt & hev; \ + FILT_VAL(q0_m, p0_m, mask, filt); \ + t1 = __msa_adds_s_b(filt, cnst4b); \ + t1 = SRAI_B(t1, 3); \ + t2 = __msa_adds_s_b(filt, cnst3b); \ + t2 = SRAI_B(t2, 3); \ + q0_m = __msa_subs_s_b(q0_m, t1); \ + q0 = __msa_xori_b((v16u8)q0_m, 0x80); \ + p0_m = __msa_adds_s_b(p0_m, t2); \ + p0 = __msa_xori_b((v16u8)p0_m, 0x80); \ + filt = __msa_srari_b(t1, 1); \ + hev = __msa_xori_b(hev, 0xff); \ + filt = filt & hev; \ + q1_m = __msa_subs_s_b(q1_m, filt); \ + q1 = __msa_xori_b((v16u8)q1_m, 0x80); \ + p1_m = __msa_adds_s_b(p1_m, filt); \ + p1 = __msa_xori_b((v16u8)p1_m, 0x80); \ +} while (0) + +#define LPF_MBFILTER(p2, p1, p0, q0, q1, q2, mask, hev) do { \ + v16i8 p2_m, p1_m, p0_m, q2_m, q1_m, q0_m; \ + v16i8 u, filt, t1, t2, filt_sign; \ + v8i16 filt_r, filt_l, u_r, u_l; \ + v8i16 temp0, temp1, temp2, temp3; \ + const v16i8 cnst4b = __msa_ldi_b(4); \ + const v16i8 cnst3b = __msa_ldi_b(3); \ + const v8i16 cnst9h = __msa_ldi_h(9); \ + const v8i16 cnst63h = __msa_ldi_h(63); \ + \ + FLIP_SIGN4(p1, p0, q0, q1, p1_m, p0_m, q0_m, q1_m); \ + filt = __msa_subs_s_b(p1_m, q1_m); \ + FILT_VAL(q0_m, p0_m, mask, filt); \ + FLIP_SIGN2(p2, q2, p2_m, q2_m); \ + t2 = filt & hev; \ + /* filt_val &= ~hev */ \ + hev = __msa_xori_b(hev, 0xff); \ + filt = filt & hev; \ + t1 = __msa_adds_s_b(t2, cnst4b); \ + t1 = SRAI_B(t1, 3); \ + t2 = __msa_adds_s_b(t2, cnst3b); \ + t2 = SRAI_B(t2, 3); \ + q0_m = __msa_subs_s_b(q0_m, t1); \ + p0_m = __msa_adds_s_b(p0_m, t2); \ + filt_sign = __msa_clti_s_b(filt, 0); \ + ILVRL_B2_SH(filt_sign, filt, filt_r, filt_l); \ + /* update q2/p2 */ \ + temp0 = filt_r * cnst9h; \ + temp1 = temp0 + cnst63h; \ + temp2 = filt_l * cnst9h; \ + temp3 = temp2 + cnst63h; \ + FILT2(q2_m, p2_m, q2, p2); \ + /* update q1/p1 */ \ + temp1 = temp1 + temp0; \ + temp3 = temp3 + temp2; \ + FILT2(q1_m, p1_m, q1, p1); \ + /* update q0/p0 */ \ + temp1 = temp1 + temp0; \ + temp3 = temp3 + temp2; \ + FILT2(q0_m, p0_m, q0, p0); \ +} while (0) + +#define LPF_MASK_HEV(p3_in, p2_in, p1_in, p0_in, \ + q0_in, q1_in, q2_in, q3_in, \ + limit_in, b_limit_in, thresh_in, \ + hev_out, mask_out) do { \ + v16u8 p3_asub_p2_m, p2_asub_p1_m, p1_asub_p0_m, q1_asub_q0_m; \ + v16u8 p1_asub_q1_m, p0_asub_q0_m, q3_asub_q2_m, q2_asub_q1_m; \ + v16u8 flat_out; \ + \ + /* absolute subtraction of pixel values */ \ + p3_asub_p2_m = __msa_asub_u_b(p3_in, p2_in); \ + p2_asub_p1_m = __msa_asub_u_b(p2_in, p1_in); \ + p1_asub_p0_m = __msa_asub_u_b(p1_in, p0_in); \ + q1_asub_q0_m = __msa_asub_u_b(q1_in, q0_in); \ + q2_asub_q1_m = __msa_asub_u_b(q2_in, q1_in); \ + q3_asub_q2_m = __msa_asub_u_b(q3_in, q2_in); \ + p0_asub_q0_m = __msa_asub_u_b(p0_in, q0_in); \ + p1_asub_q1_m = __msa_asub_u_b(p1_in, q1_in); \ + /* calculation of hev */ \ + flat_out = __msa_max_u_b(p1_asub_p0_m, q1_asub_q0_m); \ + hev_out = (thresh_in < flat_out); \ + /* calculation of mask */ \ + p0_asub_q0_m = __msa_adds_u_b(p0_asub_q0_m, p0_asub_q0_m); \ + p1_asub_q1_m = SRAI_B(p1_asub_q1_m, 1); \ + p0_asub_q0_m = __msa_adds_u_b(p0_asub_q0_m, p1_asub_q1_m); \ + mask_out = (b_limit_in < p0_asub_q0_m); \ + mask_out = __msa_max_u_b(flat_out, mask_out); \ + p3_asub_p2_m = __msa_max_u_b(p3_asub_p2_m, p2_asub_p1_m); \ + mask_out = __msa_max_u_b(p3_asub_p2_m, mask_out); \ + q2_asub_q1_m = __msa_max_u_b(q2_asub_q1_m, q3_asub_q2_m); \ + mask_out = __msa_max_u_b(q2_asub_q1_m, mask_out); \ + mask_out = (limit_in < mask_out); \ + mask_out = __msa_xori_b(mask_out, 0xff); \ +} while (0) + +#define ST6x1_UB(in0, in0_idx, in1, in1_idx, pdst, stride) do { \ + const uint16_t tmp0_h = __msa_copy_s_h((v8i16)in1, in1_idx); \ + const uint32_t tmp0_w = __msa_copy_s_w((v4i32)in0, in0_idx); \ + SW(tmp0_w, pdst); \ + SH(tmp0_h, pdst + stride); \ +} while (0) + +#define ST6x4_UB(in0, start_in0_idx, in1, start_in1_idx, pdst, stride) do { \ + uint8_t* ptmp1 = (uint8_t*)pdst; \ + ST6x1_UB(in0, start_in0_idx, in1, start_in1_idx, ptmp1, 4); \ + ptmp1 += stride; \ + ST6x1_UB(in0, start_in0_idx + 1, in1, start_in1_idx + 1, ptmp1, 4); \ + ptmp1 += stride; \ + ST6x1_UB(in0, start_in0_idx + 2, in1, start_in1_idx + 2, ptmp1, 4); \ + ptmp1 += stride; \ + ST6x1_UB(in0, start_in0_idx + 3, in1, start_in1_idx + 3, ptmp1, 4); \ +} while (0) + +#define LPF_SIMPLE_FILT(p1_in, p0_in, q0_in, q1_in, mask) do { \ + v16i8 p1_m, p0_m, q0_m, q1_m, filt, filt1, filt2; \ + const v16i8 cnst4b = __msa_ldi_b(4); \ + const v16i8 cnst3b = __msa_ldi_b(3); \ + \ + FLIP_SIGN4(p1_in, p0_in, q0_in, q1_in, p1_m, p0_m, q0_m, q1_m); \ + filt = __msa_subs_s_b(p1_m, q1_m); \ + FILT_VAL(q0_m, p0_m, mask, filt); \ + filt1 = __msa_adds_s_b(filt, cnst4b); \ + filt1 = SRAI_B(filt1, 3); \ + filt2 = __msa_adds_s_b(filt, cnst3b); \ + filt2 = SRAI_B(filt2, 3); \ + q0_m = __msa_subs_s_b(q0_m, filt1); \ + p0_m = __msa_adds_s_b(p0_m, filt2); \ + q0_in = __msa_xori_b((v16u8)q0_m, 0x80); \ + p0_in = __msa_xori_b((v16u8)p0_m, 0x80); \ +} while (0) + +#define LPF_SIMPLE_MASK(p1, p0, q0, q1, b_limit, mask) do { \ + v16u8 p1_a_sub_q1, p0_a_sub_q0; \ + \ + p0_a_sub_q0 = __msa_asub_u_b(p0, q0); \ + p1_a_sub_q1 = __msa_asub_u_b(p1, q1); \ + p1_a_sub_q1 = (v16u8)__msa_srli_b((v16i8)p1_a_sub_q1, 1); \ + p0_a_sub_q0 = __msa_adds_u_b(p0_a_sub_q0, p0_a_sub_q0); \ + mask = __msa_adds_u_b(p0_a_sub_q0, p1_a_sub_q1); \ + mask = (mask <= b_limit); \ +} while (0) + +static void VFilter16(uint8_t* src, int stride, + int b_limit_in, int limit_in, int thresh_in) { + uint8_t* ptemp = src - 4 * stride; + v16u8 p3, p2, p1, p0, q3, q2, q1, q0; + v16u8 mask, hev; + const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in); + const v16u8 limit = (v16u8)__msa_fill_b(limit_in); + const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in); + + LD_UB8(ptemp, stride, p3, p2, p1, p0, q0, q1, q2, q3); + LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh, + hev, mask); + LPF_MBFILTER(p2, p1, p0, q0, q1, q2, mask, hev); + ptemp = src - 3 * stride; + ST_UB4(p2, p1, p0, q0, ptemp, stride); + ptemp += (4 * stride); + ST_UB2(q1, q2, ptemp, stride); +} + +static void HFilter16(uint8_t* src, int stride, + int b_limit_in, int limit_in, int thresh_in) { + uint8_t* ptmp = src - 4; + v16u8 p3, p2, p1, p0, q3, q2, q1, q0; + v16u8 mask, hev; + v16u8 row0, row1, row2, row3, row4, row5, row6, row7, row8; + v16u8 row9, row10, row11, row12, row13, row14, row15; + v8i16 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; + const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in); + const v16u8 limit = (v16u8)__msa_fill_b(limit_in); + const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in); + + LD_UB8(ptmp, stride, row0, row1, row2, row3, row4, row5, row6, row7); + ptmp += (8 * stride); + LD_UB8(ptmp, stride, row8, row9, row10, row11, row12, row13, row14, row15); + TRANSPOSE16x8_UB_UB(row0, row1, row2, row3, row4, row5, row6, row7, + row8, row9, row10, row11, row12, row13, row14, row15, + p3, p2, p1, p0, q0, q1, q2, q3); + LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh, + hev, mask); + LPF_MBFILTER(p2, p1, p0, q0, q1, q2, mask, hev); + ILVR_B2_SH(p1, p2, q0, p0, tmp0, tmp1); + ILVRL_H2_SH(tmp1, tmp0, tmp3, tmp4); + ILVL_B2_SH(p1, p2, q0, p0, tmp0, tmp1); + ILVRL_H2_SH(tmp1, tmp0, tmp6, tmp7); + ILVRL_B2_SH(q2, q1, tmp2, tmp5); + ptmp = src - 3; + ST6x1_UB(tmp3, 0, tmp2, 0, ptmp, 4); + ptmp += stride; + ST6x1_UB(tmp3, 1, tmp2, 1, ptmp, 4); + ptmp += stride; + ST6x1_UB(tmp3, 2, tmp2, 2, ptmp, 4); + ptmp += stride; + ST6x1_UB(tmp3, 3, tmp2, 3, ptmp, 4); + ptmp += stride; + ST6x1_UB(tmp4, 0, tmp2, 4, ptmp, 4); + ptmp += stride; + ST6x1_UB(tmp4, 1, tmp2, 5, ptmp, 4); + ptmp += stride; + ST6x1_UB(tmp4, 2, tmp2, 6, ptmp, 4); + ptmp += stride; + ST6x1_UB(tmp4, 3, tmp2, 7, ptmp, 4); + ptmp += stride; + ST6x1_UB(tmp6, 0, tmp5, 0, ptmp, 4); + ptmp += stride; + ST6x1_UB(tmp6, 1, tmp5, 1, ptmp, 4); + ptmp += stride; + ST6x1_UB(tmp6, 2, tmp5, 2, ptmp, 4); + ptmp += stride; + ST6x1_UB(tmp6, 3, tmp5, 3, ptmp, 4); + ptmp += stride; + ST6x1_UB(tmp7, 0, tmp5, 4, ptmp, 4); + ptmp += stride; + ST6x1_UB(tmp7, 1, tmp5, 5, ptmp, 4); + ptmp += stride; + ST6x1_UB(tmp7, 2, tmp5, 6, ptmp, 4); + ptmp += stride; + ST6x1_UB(tmp7, 3, tmp5, 7, ptmp, 4); +} + +// on three inner edges +static void VFilterHorEdge16i(uint8_t* src, int stride, + int b_limit, int limit, int thresh) { + v16u8 mask, hev; + v16u8 p3, p2, p1, p0, q3, q2, q1, q0; + const v16u8 thresh0 = (v16u8)__msa_fill_b(thresh); + const v16u8 b_limit0 = (v16u8)__msa_fill_b(b_limit); + const v16u8 limit0 = (v16u8)__msa_fill_b(limit); + + LD_UB8((src - 4 * stride), stride, p3, p2, p1, p0, q0, q1, q2, q3); + LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit0, b_limit0, thresh0, + hev, mask); + LPF_FILTER4_4W(p1, p0, q0, q1, mask, hev); + ST_UB4(p1, p0, q0, q1, (src - 2 * stride), stride); +} + +static void VFilter16i(uint8_t* src_y, int stride, + int b_limit, int limit, int thresh) { + VFilterHorEdge16i(src_y + 4 * stride, stride, b_limit, limit, thresh); + VFilterHorEdge16i(src_y + 8 * stride, stride, b_limit, limit, thresh); + VFilterHorEdge16i(src_y + 12 * stride, stride, b_limit, limit, thresh); +} + +static void HFilterVertEdge16i(uint8_t* src, int stride, + int b_limit, int limit, int thresh) { + v16u8 mask, hev; + v16u8 p3, p2, p1, p0, q3, q2, q1, q0; + v16u8 row0, row1, row2, row3, row4, row5, row6, row7; + v16u8 row8, row9, row10, row11, row12, row13, row14, row15; + v8i16 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5; + const v16u8 thresh0 = (v16u8)__msa_fill_b(thresh); + const v16u8 b_limit0 = (v16u8)__msa_fill_b(b_limit); + const v16u8 limit0 = (v16u8)__msa_fill_b(limit); + + LD_UB8(src - 4, stride, row0, row1, row2, row3, row4, row5, row6, row7); + LD_UB8(src - 4 + (8 * stride), stride, + row8, row9, row10, row11, row12, row13, row14, row15); + TRANSPOSE16x8_UB_UB(row0, row1, row2, row3, row4, row5, row6, row7, + row8, row9, row10, row11, row12, row13, row14, row15, + p3, p2, p1, p0, q0, q1, q2, q3); + LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit0, b_limit0, thresh0, + hev, mask); + LPF_FILTER4_4W(p1, p0, q0, q1, mask, hev); + ILVR_B2_SH(p0, p1, q1, q0, tmp0, tmp1); + ILVRL_H2_SH(tmp1, tmp0, tmp2, tmp3); + ILVL_B2_SH(p0, p1, q1, q0, tmp0, tmp1); + ILVRL_H2_SH(tmp1, tmp0, tmp4, tmp5); + src -= 2; + ST4x8_UB(tmp2, tmp3, src, stride); + src += (8 * stride); + ST4x8_UB(tmp4, tmp5, src, stride); +} + +static void HFilter16i(uint8_t* src_y, int stride, + int b_limit, int limit, int thresh) { + HFilterVertEdge16i(src_y + 4, stride, b_limit, limit, thresh); + HFilterVertEdge16i(src_y + 8, stride, b_limit, limit, thresh); + HFilterVertEdge16i(src_y + 12, stride, b_limit, limit, thresh); +} + +// 8-pixels wide variants, for chroma filtering +static void VFilter8(uint8_t* src_u, uint8_t* src_v, int stride, + int b_limit_in, int limit_in, int thresh_in) { + uint8_t* ptmp_src_u = src_u - 4 * stride; + uint8_t* ptmp_src_v = src_v - 4 * stride; + uint64_t p2_d, p1_d, p0_d, q0_d, q1_d, q2_d; + v16u8 p3, p2, p1, p0, q3, q2, q1, q0, mask, hev; + v16u8 p3_u, p2_u, p1_u, p0_u, q3_u, q2_u, q1_u, q0_u; + v16u8 p3_v, p2_v, p1_v, p0_v, q3_v, q2_v, q1_v, q0_v; + const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in); + const v16u8 limit = (v16u8)__msa_fill_b(limit_in); + const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in); + + LD_UB8(ptmp_src_u, stride, p3_u, p2_u, p1_u, p0_u, q0_u, q1_u, q2_u, q3_u); + LD_UB8(ptmp_src_v, stride, p3_v, p2_v, p1_v, p0_v, q0_v, q1_v, q2_v, q3_v); + ILVR_D4_UB(p3_v, p3_u, p2_v, p2_u, p1_v, p1_u, p0_v, p0_u, p3, p2, p1, p0); + ILVR_D4_UB(q0_v, q0_u, q1_v, q1_u, q2_v, q2_u, q3_v, q3_u, q0, q1, q2, q3); + LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh, + hev, mask); + LPF_MBFILTER(p2, p1, p0, q0, q1, q2, mask, hev); + p2_d = __msa_copy_s_d((v2i64)p2, 0); + p1_d = __msa_copy_s_d((v2i64)p1, 0); + p0_d = __msa_copy_s_d((v2i64)p0, 0); + q0_d = __msa_copy_s_d((v2i64)q0, 0); + q1_d = __msa_copy_s_d((v2i64)q1, 0); + q2_d = __msa_copy_s_d((v2i64)q2, 0); + ptmp_src_u += stride; + SD4(p2_d, p1_d, p0_d, q0_d, ptmp_src_u, stride); + ptmp_src_u += (4 * stride); + SD(q1_d, ptmp_src_u); + ptmp_src_u += stride; + SD(q2_d, ptmp_src_u); + p2_d = __msa_copy_s_d((v2i64)p2, 1); + p1_d = __msa_copy_s_d((v2i64)p1, 1); + p0_d = __msa_copy_s_d((v2i64)p0, 1); + q0_d = __msa_copy_s_d((v2i64)q0, 1); + q1_d = __msa_copy_s_d((v2i64)q1, 1); + q2_d = __msa_copy_s_d((v2i64)q2, 1); + ptmp_src_v += stride; + SD4(p2_d, p1_d, p0_d, q0_d, ptmp_src_v, stride); + ptmp_src_v += (4 * stride); + SD(q1_d, ptmp_src_v); + ptmp_src_v += stride; + SD(q2_d, ptmp_src_v); +} + +static void HFilter8(uint8_t* src_u, uint8_t* src_v, int stride, + int b_limit_in, int limit_in, int thresh_in) { + uint8_t* ptmp_src_u = src_u - 4; + uint8_t* ptmp_src_v = src_v - 4; + v16u8 p3, p2, p1, p0, q3, q2, q1, q0, mask, hev; + v16u8 row0, row1, row2, row3, row4, row5, row6, row7, row8; + v16u8 row9, row10, row11, row12, row13, row14, row15; + v8i16 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; + const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in); + const v16u8 limit = (v16u8)__msa_fill_b(limit_in); + const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in); + + LD_UB8(ptmp_src_u, stride, row0, row1, row2, row3, row4, row5, row6, row7); + LD_UB8(ptmp_src_v, stride, + row8, row9, row10, row11, row12, row13, row14, row15); + TRANSPOSE16x8_UB_UB(row0, row1, row2, row3, row4, row5, row6, row7, + row8, row9, row10, row11, row12, row13, row14, row15, + p3, p2, p1, p0, q0, q1, q2, q3); + LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh, + hev, mask); + LPF_MBFILTER(p2, p1, p0, q0, q1, q2, mask, hev); + ILVR_B2_SH(p1, p2, q0, p0, tmp0, tmp1); + ILVRL_H2_SH(tmp1, tmp0, tmp3, tmp4); + ILVL_B2_SH(p1, p2, q0, p0, tmp0, tmp1); + ILVRL_H2_SH(tmp1, tmp0, tmp6, tmp7); + ILVRL_B2_SH(q2, q1, tmp2, tmp5); + ptmp_src_u += 1; + ST6x4_UB(tmp3, 0, tmp2, 0, ptmp_src_u, stride); + ptmp_src_u += 4 * stride; + ST6x4_UB(tmp4, 0, tmp2, 4, ptmp_src_u, stride); + ptmp_src_v += 1; + ST6x4_UB(tmp6, 0, tmp5, 0, ptmp_src_v, stride); + ptmp_src_v += 4 * stride; + ST6x4_UB(tmp7, 0, tmp5, 4, ptmp_src_v, stride); +} + +static void VFilter8i(uint8_t* src_u, uint8_t* src_v, int stride, + int b_limit_in, int limit_in, int thresh_in) { + uint64_t p1_d, p0_d, q0_d, q1_d; + v16u8 p3, p2, p1, p0, q3, q2, q1, q0, mask, hev; + v16u8 p3_u, p2_u, p1_u, p0_u, q3_u, q2_u, q1_u, q0_u; + v16u8 p3_v, p2_v, p1_v, p0_v, q3_v, q2_v, q1_v, q0_v; + const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in); + const v16u8 limit = (v16u8)__msa_fill_b(limit_in); + const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in); + + LD_UB8(src_u, stride, p3_u, p2_u, p1_u, p0_u, q0_u, q1_u, q2_u, q3_u); + src_u += (5 * stride); + LD_UB8(src_v, stride, p3_v, p2_v, p1_v, p0_v, q0_v, q1_v, q2_v, q3_v); + src_v += (5 * stride); + ILVR_D4_UB(p3_v, p3_u, p2_v, p2_u, p1_v, p1_u, p0_v, p0_u, p3, p2, p1, p0); + ILVR_D4_UB(q0_v, q0_u, q1_v, q1_u, q2_v, q2_u, q3_v, q3_u, q0, q1, q2, q3); + LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh, + hev, mask); + LPF_FILTER4_4W(p1, p0, q0, q1, mask, hev); + p1_d = __msa_copy_s_d((v2i64)p1, 0); + p0_d = __msa_copy_s_d((v2i64)p0, 0); + q0_d = __msa_copy_s_d((v2i64)q0, 0); + q1_d = __msa_copy_s_d((v2i64)q1, 0); + SD4(q1_d, q0_d, p0_d, p1_d, src_u, -stride); + p1_d = __msa_copy_s_d((v2i64)p1, 1); + p0_d = __msa_copy_s_d((v2i64)p0, 1); + q0_d = __msa_copy_s_d((v2i64)q0, 1); + q1_d = __msa_copy_s_d((v2i64)q1, 1); + SD4(q1_d, q0_d, p0_d, p1_d, src_v, -stride); +} + +static void HFilter8i(uint8_t* src_u, uint8_t* src_v, int stride, + int b_limit_in, int limit_in, int thresh_in) { + v16u8 p3, p2, p1, p0, q3, q2, q1, q0, mask, hev; + v16u8 row0, row1, row2, row3, row4, row5, row6, row7, row8; + v16u8 row9, row10, row11, row12, row13, row14, row15; + v4i32 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5; + const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in); + const v16u8 limit = (v16u8)__msa_fill_b(limit_in); + const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in); + + LD_UB8(src_u, stride, row0, row1, row2, row3, row4, row5, row6, row7); + LD_UB8(src_v, stride, + row8, row9, row10, row11, row12, row13, row14, row15); + TRANSPOSE16x8_UB_UB(row0, row1, row2, row3, row4, row5, row6, row7, + row8, row9, row10, row11, row12, row13, row14, row15, + p3, p2, p1, p0, q0, q1, q2, q3); + LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh, + hev, mask); + LPF_FILTER4_4W(p1, p0, q0, q1, mask, hev); + ILVR_B2_SW(p0, p1, q1, q0, tmp0, tmp1); + ILVRL_H2_SW(tmp1, tmp0, tmp2, tmp3); + ILVL_B2_SW(p0, p1, q1, q0, tmp0, tmp1); + ILVRL_H2_SW(tmp1, tmp0, tmp4, tmp5); + src_u += 2; + ST4x4_UB(tmp2, tmp2, 0, 1, 2, 3, src_u, stride); + src_u += 4 * stride; + ST4x4_UB(tmp3, tmp3, 0, 1, 2, 3, src_u, stride); + src_v += 2; + ST4x4_UB(tmp4, tmp4, 0, 1, 2, 3, src_v, stride); + src_v += 4 * stride; + ST4x4_UB(tmp5, tmp5, 0, 1, 2, 3, src_v, stride); +} + +static void SimpleVFilter16(uint8_t* src, int stride, int b_limit_in) { + v16u8 p1, p0, q1, q0, mask; + const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in); + + LD_UB4(src - 2 * stride, stride, p1, p0, q0, q1); + LPF_SIMPLE_MASK(p1, p0, q0, q1, b_limit, mask); + LPF_SIMPLE_FILT(p1, p0, q0, q1, mask); + ST_UB2(p0, q0, src - stride, stride); +} + +static void SimpleHFilter16(uint8_t* src, int stride, int b_limit_in) { + v16u8 p1, p0, q1, q0, mask, row0, row1, row2, row3, row4, row5, row6, row7; + v16u8 row8, row9, row10, row11, row12, row13, row14, row15; + v8i16 tmp0, tmp1; + const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in); + uint8_t* ptemp_src = src - 2; + + LD_UB8(ptemp_src, stride, row0, row1, row2, row3, row4, row5, row6, row7); + LD_UB8(ptemp_src + 8 * stride, stride, + row8, row9, row10, row11, row12, row13, row14, row15); + TRANSPOSE16x4_UB_UB(row0, row1, row2, row3, row4, row5, row6, row7, + row8, row9, row10, row11, row12, row13, row14, row15, + p1, p0, q0, q1); + LPF_SIMPLE_MASK(p1, p0, q0, q1, b_limit, mask); + LPF_SIMPLE_FILT(p1, p0, q0, q1, mask); + ILVRL_B2_SH(q0, p0, tmp1, tmp0); + ptemp_src += 1; + ST2x4_UB(tmp1, 0, ptemp_src, stride); + ptemp_src += 4 * stride; + ST2x4_UB(tmp1, 4, ptemp_src, stride); + ptemp_src += 4 * stride; + ST2x4_UB(tmp0, 0, ptemp_src, stride); + ptemp_src += 4 * stride; + ST2x4_UB(tmp0, 4, ptemp_src, stride); + ptemp_src += 4 * stride; +} + +static void SimpleVFilter16i(uint8_t* src_y, int stride, int b_limit_in) { + SimpleVFilter16(src_y + 4 * stride, stride, b_limit_in); + SimpleVFilter16(src_y + 8 * stride, stride, b_limit_in); + SimpleVFilter16(src_y + 12 * stride, stride, b_limit_in); +} + +static void SimpleHFilter16i(uint8_t* src_y, int stride, int b_limit_in) { + SimpleHFilter16(src_y + 4, stride, b_limit_in); + SimpleHFilter16(src_y + 8, stride, b_limit_in); + SimpleHFilter16(src_y + 12, stride, b_limit_in); +} + +//------------------------------------------------------------------------------ +// Intra predictions +//------------------------------------------------------------------------------ + +// 4x4 + +static void DC4(uint8_t* dst) { // DC + uint32_t dc = 4; + int i; + for (i = 0; i < 4; ++i) dc += dst[i - BPS] + dst[-1 + i * BPS]; + dc >>= 3; + dc = dc | (dc << 8) | (dc << 16) | (dc << 24); + SW4(dc, dc, dc, dc, dst, BPS); +} + +static void TM4(uint8_t* dst) { + const uint8_t* const ptemp = dst - BPS - 1; + v8i16 T, d, r0, r1, r2, r3; + const v16i8 zero = { 0 }; + const v8i16 TL = (v8i16)__msa_fill_h(ptemp[0 * BPS]); + const v8i16 L0 = (v8i16)__msa_fill_h(ptemp[1 * BPS]); + const v8i16 L1 = (v8i16)__msa_fill_h(ptemp[2 * BPS]); + const v8i16 L2 = (v8i16)__msa_fill_h(ptemp[3 * BPS]); + const v8i16 L3 = (v8i16)__msa_fill_h(ptemp[4 * BPS]); + const v16u8 T1 = LD_UB(ptemp + 1); + + T = (v8i16)__msa_ilvr_b(zero, (v16i8)T1); + d = T - TL; + ADD4(d, L0, d, L1, d, L2, d, L3, r0, r1, r2, r3); + CLIP_SH4_0_255(r0, r1, r2, r3); + PCKEV_ST4x4_UB(r0, r1, r2, r3, dst, BPS); +} + +static void VE4(uint8_t* dst) { // vertical + const uint8_t* const ptop = dst - BPS - 1; + const uint32_t val0 = LW(ptop + 0); + const uint32_t val1 = LW(ptop + 4); + uint32_t out; + v16u8 A = { 0 }, B, C, AC, B2, R; + + INSERT_W2_UB(val0, val1, A); + B = SLDI_UB(A, A, 1); + C = SLDI_UB(A, A, 2); + AC = __msa_ave_u_b(A, C); + B2 = __msa_ave_u_b(B, B); + R = __msa_aver_u_b(AC, B2); + out = __msa_copy_s_w((v4i32)R, 0); + SW4(out, out, out, out, dst, BPS); +} + +static void RD4(uint8_t* dst) { // Down-right + const uint8_t* const ptop = dst - 1 - BPS; + uint32_t val0 = LW(ptop + 0); + uint32_t val1 = LW(ptop + 4); + uint32_t val2, val3; + v16u8 A, B, C, AC, B2, R, A1 = { 0 }; + + INSERT_W2_UB(val0, val1, A1); + A = SLDI_UB(A1, A1, 12); + A = (v16u8)__msa_insert_b((v16i8)A, 3, ptop[1 * BPS]); + A = (v16u8)__msa_insert_b((v16i8)A, 2, ptop[2 * BPS]); + A = (v16u8)__msa_insert_b((v16i8)A, 1, ptop[3 * BPS]); + A = (v16u8)__msa_insert_b((v16i8)A, 0, ptop[4 * BPS]); + B = SLDI_UB(A, A, 1); + C = SLDI_UB(A, A, 2); + AC = __msa_ave_u_b(A, C); + B2 = __msa_ave_u_b(B, B); + R = __msa_aver_u_b(AC, B2); + val3 = __msa_copy_s_w((v4i32)R, 0); + R = SLDI_UB(R, R, 1); + val2 = __msa_copy_s_w((v4i32)R, 0); + R = SLDI_UB(R, R, 1); + val1 = __msa_copy_s_w((v4i32)R, 0); + R = SLDI_UB(R, R, 1); + val0 = __msa_copy_s_w((v4i32)R, 0); + SW4(val0, val1, val2, val3, dst, BPS); +} + +static void LD4(uint8_t* dst) { // Down-Left + const uint8_t* const ptop = dst - BPS; + uint32_t val0 = LW(ptop + 0); + uint32_t val1 = LW(ptop + 4); + uint32_t val2, val3; + v16u8 A = { 0 }, B, C, AC, B2, R; + + INSERT_W2_UB(val0, val1, A); + B = SLDI_UB(A, A, 1); + C = SLDI_UB(A, A, 2); + C = (v16u8)__msa_insert_b((v16i8)C, 6, ptop[7]); + AC = __msa_ave_u_b(A, C); + B2 = __msa_ave_u_b(B, B); + R = __msa_aver_u_b(AC, B2); + val0 = __msa_copy_s_w((v4i32)R, 0); + R = SLDI_UB(R, R, 1); + val1 = __msa_copy_s_w((v4i32)R, 0); + R = SLDI_UB(R, R, 1); + val2 = __msa_copy_s_w((v4i32)R, 0); + R = SLDI_UB(R, R, 1); + val3 = __msa_copy_s_w((v4i32)R, 0); + SW4(val0, val1, val2, val3, dst, BPS); +} + +// 16x16 + +static void DC16(uint8_t* dst) { // DC + uint32_t dc = 16; + int i; + const v16u8 rtop = LD_UB(dst - BPS); + const v8u16 dctop = __msa_hadd_u_h(rtop, rtop); + v16u8 out; + + for (i = 0; i < 16; ++i) { + dc += dst[-1 + i * BPS]; + } + dc += HADD_UH_U32(dctop); + out = (v16u8)__msa_fill_b(dc >> 5); + ST_UB8(out, out, out, out, out, out, out, out, dst, BPS); + ST_UB8(out, out, out, out, out, out, out, out, dst + 8 * BPS, BPS); +} + +static void TM16(uint8_t* dst) { + int j; + v8i16 d1, d2; + const v16i8 zero = { 0 }; + const v8i16 TL = (v8i16)__msa_fill_h(dst[-1 - BPS]); + const v16i8 T = LD_SB(dst - BPS); + + ILVRL_B2_SH(zero, T, d1, d2); + SUB2(d1, TL, d2, TL, d1, d2); + for (j = 0; j < 16; j += 4) { + v16i8 t0, t1, t2, t3; + v8i16 r0, r1, r2, r3, r4, r5, r6, r7; + const v8i16 L0 = (v8i16)__msa_fill_h(dst[-1 + 0 * BPS]); + const v8i16 L1 = (v8i16)__msa_fill_h(dst[-1 + 1 * BPS]); + const v8i16 L2 = (v8i16)__msa_fill_h(dst[-1 + 2 * BPS]); + const v8i16 L3 = (v8i16)__msa_fill_h(dst[-1 + 3 * BPS]); + ADD4(d1, L0, d1, L1, d1, L2, d1, L3, r0, r1, r2, r3); + ADD4(d2, L0, d2, L1, d2, L2, d2, L3, r4, r5, r6, r7); + CLIP_SH4_0_255(r0, r1, r2, r3); + CLIP_SH4_0_255(r4, r5, r6, r7); + PCKEV_B4_SB(r4, r0, r5, r1, r6, r2, r7, r3, t0, t1, t2, t3); + ST_SB4(t0, t1, t2, t3, dst, BPS); + dst += 4 * BPS; + } +} + +static void VE16(uint8_t* dst) { // vertical + const v16u8 rtop = LD_UB(dst - BPS); + ST_UB8(rtop, rtop, rtop, rtop, rtop, rtop, rtop, rtop, dst, BPS); + ST_UB8(rtop, rtop, rtop, rtop, rtop, rtop, rtop, rtop, dst + 8 * BPS, BPS); +} + +static void HE16(uint8_t* dst) { // horizontal + int j; + for (j = 16; j > 0; j -= 4) { + const v16u8 L0 = (v16u8)__msa_fill_b(dst[-1 + 0 * BPS]); + const v16u8 L1 = (v16u8)__msa_fill_b(dst[-1 + 1 * BPS]); + const v16u8 L2 = (v16u8)__msa_fill_b(dst[-1 + 2 * BPS]); + const v16u8 L3 = (v16u8)__msa_fill_b(dst[-1 + 3 * BPS]); + ST_UB4(L0, L1, L2, L3, dst, BPS); + dst += 4 * BPS; + } +} + +static void DC16NoTop(uint8_t* dst) { // DC with top samples not available + int j; + uint32_t dc = 8; + v16u8 out; + + for (j = 0; j < 16; ++j) { + dc += dst[-1 + j * BPS]; + } + out = (v16u8)__msa_fill_b(dc >> 4); + ST_UB8(out, out, out, out, out, out, out, out, dst, BPS); + ST_UB8(out, out, out, out, out, out, out, out, dst + 8 * BPS, BPS); +} + +static void DC16NoLeft(uint8_t* dst) { // DC with left samples not available + uint32_t dc = 8; + const v16u8 rtop = LD_UB(dst - BPS); + const v8u16 dctop = __msa_hadd_u_h(rtop, rtop); + v16u8 out; + + dc += HADD_UH_U32(dctop); + out = (v16u8)__msa_fill_b(dc >> 4); + ST_UB8(out, out, out, out, out, out, out, out, dst, BPS); + ST_UB8(out, out, out, out, out, out, out, out, dst + 8 * BPS, BPS); +} + +static void DC16NoTopLeft(uint8_t* dst) { // DC with nothing + const v16u8 out = (v16u8)__msa_fill_b(0x80); + ST_UB8(out, out, out, out, out, out, out, out, dst, BPS); + ST_UB8(out, out, out, out, out, out, out, out, dst + 8 * BPS, BPS); +} + +// Chroma + +#define STORE8x8(out, dst) do { \ + SD4(out, out, out, out, dst + 0 * BPS, BPS); \ + SD4(out, out, out, out, dst + 4 * BPS, BPS); \ +} while (0) + +static void DC8uv(uint8_t* dst) { // DC + uint32_t dc = 8; + int i; + uint64_t out; + const v16u8 rtop = LD_UB(dst - BPS); + const v8u16 temp0 = __msa_hadd_u_h(rtop, rtop); + const v4u32 temp1 = __msa_hadd_u_w(temp0, temp0); + const v2u64 temp2 = __msa_hadd_u_d(temp1, temp1); + v16u8 dctemp; + + for (i = 0; i < 8; ++i) { + dc += dst[-1 + i * BPS]; + } + dc += __msa_copy_s_w((v4i32)temp2, 0); + dctemp = (v16u8)__msa_fill_b(dc >> 4); + out = __msa_copy_s_d((v2i64)dctemp, 0); + STORE8x8(out, dst); +} + +static void TM8uv(uint8_t* dst) { + int j; + const v16i8 T1 = LD_SB(dst - BPS); + const v16i8 zero = { 0 }; + const v8i16 T = (v8i16)__msa_ilvr_b(zero, T1); + const v8i16 TL = (v8i16)__msa_fill_h(dst[-1 - BPS]); + const v8i16 d = T - TL; + + for (j = 0; j < 8; j += 4) { + v16i8 t0, t1; + v8i16 r0 = (v8i16)__msa_fill_h(dst[-1 + 0 * BPS]); + v8i16 r1 = (v8i16)__msa_fill_h(dst[-1 + 1 * BPS]); + v8i16 r2 = (v8i16)__msa_fill_h(dst[-1 + 2 * BPS]); + v8i16 r3 = (v8i16)__msa_fill_h(dst[-1 + 3 * BPS]); + ADD4(d, r0, d, r1, d, r2, d, r3, r0, r1, r2, r3); + CLIP_SH4_0_255(r0, r1, r2, r3); + PCKEV_B2_SB(r1, r0, r3, r2, t0, t1); + ST4x4_UB(t0, t1, 0, 2, 0, 2, dst, BPS); + ST4x4_UB(t0, t1, 1, 3, 1, 3, dst + 4, BPS); + dst += 4 * BPS; + } +} + +static void VE8uv(uint8_t* dst) { // vertical + const v16u8 rtop = LD_UB(dst - BPS); + const uint64_t out = __msa_copy_s_d((v2i64)rtop, 0); + STORE8x8(out, dst); +} + +static void HE8uv(uint8_t* dst) { // horizontal + int j; + for (j = 0; j < 8; j += 4) { + const v16u8 L0 = (v16u8)__msa_fill_b(dst[-1 + 0 * BPS]); + const v16u8 L1 = (v16u8)__msa_fill_b(dst[-1 + 1 * BPS]); + const v16u8 L2 = (v16u8)__msa_fill_b(dst[-1 + 2 * BPS]); + const v16u8 L3 = (v16u8)__msa_fill_b(dst[-1 + 3 * BPS]); + const uint64_t out0 = __msa_copy_s_d((v2i64)L0, 0); + const uint64_t out1 = __msa_copy_s_d((v2i64)L1, 0); + const uint64_t out2 = __msa_copy_s_d((v2i64)L2, 0); + const uint64_t out3 = __msa_copy_s_d((v2i64)L3, 0); + SD4(out0, out1, out2, out3, dst, BPS); + dst += 4 * BPS; + } +} + +static void DC8uvNoLeft(uint8_t* dst) { // DC with no left samples + const uint32_t dc = 4; + const v16u8 rtop = LD_UB(dst - BPS); + const v8u16 temp0 = __msa_hadd_u_h(rtop, rtop); + const v4u32 temp1 = __msa_hadd_u_w(temp0, temp0); + const v2u64 temp2 = __msa_hadd_u_d(temp1, temp1); + const uint32_t sum_m = __msa_copy_s_w((v4i32)temp2, 0); + const v16u8 dcval = (v16u8)__msa_fill_b((dc + sum_m) >> 3); + const uint64_t out = __msa_copy_s_d((v2i64)dcval, 0); + STORE8x8(out, dst); +} + +static void DC8uvNoTop(uint8_t* dst) { // DC with no top samples + uint32_t dc = 4; + int i; + uint64_t out; + v16u8 dctemp; + + for (i = 0; i < 8; ++i) { + dc += dst[-1 + i * BPS]; + } + dctemp = (v16u8)__msa_fill_b(dc >> 3); + out = __msa_copy_s_d((v2i64)dctemp, 0); + STORE8x8(out, dst); +} + +static void DC8uvNoTopLeft(uint8_t* dst) { // DC with nothing + const uint64_t out = 0x8080808080808080ULL; + STORE8x8(out, dst); +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8DspInitMSA(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitMSA(void) { + VP8TransformWHT = TransformWHT; + VP8Transform = TransformTwo; + VP8TransformDC = TransformDC; + VP8TransformAC3 = TransformAC3; + + VP8VFilter16 = VFilter16; + VP8HFilter16 = HFilter16; + VP8VFilter16i = VFilter16i; + VP8HFilter16i = HFilter16i; + VP8VFilter8 = VFilter8; + VP8HFilter8 = HFilter8; + VP8VFilter8i = VFilter8i; + VP8HFilter8i = HFilter8i; + VP8SimpleVFilter16 = SimpleVFilter16; + VP8SimpleHFilter16 = SimpleHFilter16; + VP8SimpleVFilter16i = SimpleVFilter16i; + VP8SimpleHFilter16i = SimpleHFilter16i; + + VP8PredLuma4[0] = DC4; + VP8PredLuma4[1] = TM4; + VP8PredLuma4[2] = VE4; + VP8PredLuma4[4] = RD4; + VP8PredLuma4[6] = LD4; + VP8PredLuma16[0] = DC16; + VP8PredLuma16[1] = TM16; + VP8PredLuma16[2] = VE16; + VP8PredLuma16[3] = HE16; + VP8PredLuma16[4] = DC16NoTop; + VP8PredLuma16[5] = DC16NoLeft; + VP8PredLuma16[6] = DC16NoTopLeft; + VP8PredChroma8[0] = DC8uv; + VP8PredChroma8[1] = TM8uv; + VP8PredChroma8[2] = VE8uv; + VP8PredChroma8[3] = HE8uv; + VP8PredChroma8[4] = DC8uvNoTop; + VP8PredChroma8[5] = DC8uvNoLeft; + VP8PredChroma8[6] = DC8uvNoTopLeft; +} + +#else // !WEBP_USE_MSA + +WEBP_DSP_INIT_STUB(VP8DspInitMSA) + +#endif // WEBP_USE_MSA diff --git a/ProductApp/Pods/libwebp/src/dsp/dec_neon.c b/ProductApp/Pods/libwebp/src/dsp/dec_neon.c new file mode 100644 index 0000000..22784cf --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/dec_neon.c @@ -0,0 +1,1663 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// ARM NEON version of dsp functions and loop filtering. +// +// Authors: Somnath Banerjee (somnath@google.com) +// Johann Koenig (johannkoenig@google.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_NEON) + +#include "src/dsp/neon.h" +#include "src/dec/vp8i_dec.h" + +//------------------------------------------------------------------------------ +// NxM Loading functions + +#if !defined(WORK_AROUND_GCC) + +// This intrinsics version makes gcc-4.6.3 crash during Load4x??() compilation +// (register alloc, probably). The variants somewhat mitigate the problem, but +// not quite. HFilter16i() remains problematic. +static WEBP_INLINE uint8x8x4_t Load4x8_NEON(const uint8_t* const src, + int stride) { + const uint8x8_t zero = vdup_n_u8(0); + uint8x8x4_t out; + INIT_VECTOR4(out, zero, zero, zero, zero); + out = vld4_lane_u8(src + 0 * stride, out, 0); + out = vld4_lane_u8(src + 1 * stride, out, 1); + out = vld4_lane_u8(src + 2 * stride, out, 2); + out = vld4_lane_u8(src + 3 * stride, out, 3); + out = vld4_lane_u8(src + 4 * stride, out, 4); + out = vld4_lane_u8(src + 5 * stride, out, 5); + out = vld4_lane_u8(src + 6 * stride, out, 6); + out = vld4_lane_u8(src + 7 * stride, out, 7); + return out; +} + +static WEBP_INLINE void Load4x16_NEON(const uint8_t* const src, int stride, + uint8x16_t* const p1, + uint8x16_t* const p0, + uint8x16_t* const q0, + uint8x16_t* const q1) { + // row0 = p1[0..7]|p0[0..7]|q0[0..7]|q1[0..7] + // row8 = p1[8..15]|p0[8..15]|q0[8..15]|q1[8..15] + const uint8x8x4_t row0 = Load4x8_NEON(src - 2 + 0 * stride, stride); + const uint8x8x4_t row8 = Load4x8_NEON(src - 2 + 8 * stride, stride); + *p1 = vcombine_u8(row0.val[0], row8.val[0]); + *p0 = vcombine_u8(row0.val[1], row8.val[1]); + *q0 = vcombine_u8(row0.val[2], row8.val[2]); + *q1 = vcombine_u8(row0.val[3], row8.val[3]); +} + +#else // WORK_AROUND_GCC + +#define LOADQ_LANE_32b(VALUE, LANE) do { \ + (VALUE) = vld1q_lane_u32((const uint32_t*)src, (VALUE), (LANE)); \ + src += stride; \ +} while (0) + +static WEBP_INLINE void Load4x16_NEON(const uint8_t* src, int stride, + uint8x16_t* const p1, + uint8x16_t* const p0, + uint8x16_t* const q0, + uint8x16_t* const q1) { + const uint32x4_t zero = vdupq_n_u32(0); + uint32x4x4_t in; + INIT_VECTOR4(in, zero, zero, zero, zero); + src -= 2; + LOADQ_LANE_32b(in.val[0], 0); + LOADQ_LANE_32b(in.val[1], 0); + LOADQ_LANE_32b(in.val[2], 0); + LOADQ_LANE_32b(in.val[3], 0); + LOADQ_LANE_32b(in.val[0], 1); + LOADQ_LANE_32b(in.val[1], 1); + LOADQ_LANE_32b(in.val[2], 1); + LOADQ_LANE_32b(in.val[3], 1); + LOADQ_LANE_32b(in.val[0], 2); + LOADQ_LANE_32b(in.val[1], 2); + LOADQ_LANE_32b(in.val[2], 2); + LOADQ_LANE_32b(in.val[3], 2); + LOADQ_LANE_32b(in.val[0], 3); + LOADQ_LANE_32b(in.val[1], 3); + LOADQ_LANE_32b(in.val[2], 3); + LOADQ_LANE_32b(in.val[3], 3); + // Transpose four 4x4 parts: + { + const uint8x16x2_t row01 = vtrnq_u8(vreinterpretq_u8_u32(in.val[0]), + vreinterpretq_u8_u32(in.val[1])); + const uint8x16x2_t row23 = vtrnq_u8(vreinterpretq_u8_u32(in.val[2]), + vreinterpretq_u8_u32(in.val[3])); + const uint16x8x2_t row02 = vtrnq_u16(vreinterpretq_u16_u8(row01.val[0]), + vreinterpretq_u16_u8(row23.val[0])); + const uint16x8x2_t row13 = vtrnq_u16(vreinterpretq_u16_u8(row01.val[1]), + vreinterpretq_u16_u8(row23.val[1])); + *p1 = vreinterpretq_u8_u16(row02.val[0]); + *p0 = vreinterpretq_u8_u16(row13.val[0]); + *q0 = vreinterpretq_u8_u16(row02.val[1]); + *q1 = vreinterpretq_u8_u16(row13.val[1]); + } +} +#undef LOADQ_LANE_32b + +#endif // !WORK_AROUND_GCC + +static WEBP_INLINE void Load8x16_NEON( + const uint8_t* const src, int stride, + uint8x16_t* const p3, uint8x16_t* const p2, uint8x16_t* const p1, + uint8x16_t* const p0, uint8x16_t* const q0, uint8x16_t* const q1, + uint8x16_t* const q2, uint8x16_t* const q3) { + Load4x16_NEON(src - 2, stride, p3, p2, p1, p0); + Load4x16_NEON(src + 2, stride, q0, q1, q2, q3); +} + +static WEBP_INLINE void Load16x4_NEON(const uint8_t* const src, int stride, + uint8x16_t* const p1, + uint8x16_t* const p0, + uint8x16_t* const q0, + uint8x16_t* const q1) { + *p1 = vld1q_u8(src - 2 * stride); + *p0 = vld1q_u8(src - 1 * stride); + *q0 = vld1q_u8(src + 0 * stride); + *q1 = vld1q_u8(src + 1 * stride); +} + +static WEBP_INLINE void Load16x8_NEON( + const uint8_t* const src, int stride, + uint8x16_t* const p3, uint8x16_t* const p2, uint8x16_t* const p1, + uint8x16_t* const p0, uint8x16_t* const q0, uint8x16_t* const q1, + uint8x16_t* const q2, uint8x16_t* const q3) { + Load16x4_NEON(src - 2 * stride, stride, p3, p2, p1, p0); + Load16x4_NEON(src + 2 * stride, stride, q0, q1, q2, q3); +} + +static WEBP_INLINE void Load8x8x2_NEON( + const uint8_t* const u, const uint8_t* const v, int stride, + uint8x16_t* const p3, uint8x16_t* const p2, uint8x16_t* const p1, + uint8x16_t* const p0, uint8x16_t* const q0, uint8x16_t* const q1, + uint8x16_t* const q2, uint8x16_t* const q3) { + // We pack the 8x8 u-samples in the lower half of the uint8x16_t destination + // and the v-samples on the higher half. + *p3 = vcombine_u8(vld1_u8(u - 4 * stride), vld1_u8(v - 4 * stride)); + *p2 = vcombine_u8(vld1_u8(u - 3 * stride), vld1_u8(v - 3 * stride)); + *p1 = vcombine_u8(vld1_u8(u - 2 * stride), vld1_u8(v - 2 * stride)); + *p0 = vcombine_u8(vld1_u8(u - 1 * stride), vld1_u8(v - 1 * stride)); + *q0 = vcombine_u8(vld1_u8(u + 0 * stride), vld1_u8(v + 0 * stride)); + *q1 = vcombine_u8(vld1_u8(u + 1 * stride), vld1_u8(v + 1 * stride)); + *q2 = vcombine_u8(vld1_u8(u + 2 * stride), vld1_u8(v + 2 * stride)); + *q3 = vcombine_u8(vld1_u8(u + 3 * stride), vld1_u8(v + 3 * stride)); +} + +#if !defined(WORK_AROUND_GCC) + +#define LOAD_UV_8(ROW) \ + vcombine_u8(vld1_u8(u - 4 + (ROW) * stride), vld1_u8(v - 4 + (ROW) * stride)) + +static WEBP_INLINE void Load8x8x2T_NEON( + const uint8_t* const u, const uint8_t* const v, int stride, + uint8x16_t* const p3, uint8x16_t* const p2, uint8x16_t* const p1, + uint8x16_t* const p0, uint8x16_t* const q0, uint8x16_t* const q1, + uint8x16_t* const q2, uint8x16_t* const q3) { + // We pack the 8x8 u-samples in the lower half of the uint8x16_t destination + // and the v-samples on the higher half. + const uint8x16_t row0 = LOAD_UV_8(0); + const uint8x16_t row1 = LOAD_UV_8(1); + const uint8x16_t row2 = LOAD_UV_8(2); + const uint8x16_t row3 = LOAD_UV_8(3); + const uint8x16_t row4 = LOAD_UV_8(4); + const uint8x16_t row5 = LOAD_UV_8(5); + const uint8x16_t row6 = LOAD_UV_8(6); + const uint8x16_t row7 = LOAD_UV_8(7); + // Perform two side-by-side 8x8 transposes + // u00 u01 u02 u03 u04 u05 u06 u07 | v00 v01 v02 v03 v04 v05 v06 v07 + // u10 u11 u12 u13 u14 u15 u16 u17 | v10 v11 v12 ... + // u20 u21 u22 u23 u24 u25 u26 u27 | v20 v21 ... + // u30 u31 u32 u33 u34 u35 u36 u37 | ... + // u40 u41 u42 u43 u44 u45 u46 u47 | ... + // u50 u51 u52 u53 u54 u55 u56 u57 | ... + // u60 u61 u62 u63 u64 u65 u66 u67 | v60 ... + // u70 u71 u72 u73 u74 u75 u76 u77 | v70 v71 v72 ... + const uint8x16x2_t row01 = vtrnq_u8(row0, row1); // u00 u10 u02 u12 ... + // u01 u11 u03 u13 ... + const uint8x16x2_t row23 = vtrnq_u8(row2, row3); // u20 u30 u22 u32 ... + // u21 u31 u23 u33 ... + const uint8x16x2_t row45 = vtrnq_u8(row4, row5); // ... + const uint8x16x2_t row67 = vtrnq_u8(row6, row7); // ... + const uint16x8x2_t row02 = vtrnq_u16(vreinterpretq_u16_u8(row01.val[0]), + vreinterpretq_u16_u8(row23.val[0])); + const uint16x8x2_t row13 = vtrnq_u16(vreinterpretq_u16_u8(row01.val[1]), + vreinterpretq_u16_u8(row23.val[1])); + const uint16x8x2_t row46 = vtrnq_u16(vreinterpretq_u16_u8(row45.val[0]), + vreinterpretq_u16_u8(row67.val[0])); + const uint16x8x2_t row57 = vtrnq_u16(vreinterpretq_u16_u8(row45.val[1]), + vreinterpretq_u16_u8(row67.val[1])); + const uint32x4x2_t row04 = vtrnq_u32(vreinterpretq_u32_u16(row02.val[0]), + vreinterpretq_u32_u16(row46.val[0])); + const uint32x4x2_t row26 = vtrnq_u32(vreinterpretq_u32_u16(row02.val[1]), + vreinterpretq_u32_u16(row46.val[1])); + const uint32x4x2_t row15 = vtrnq_u32(vreinterpretq_u32_u16(row13.val[0]), + vreinterpretq_u32_u16(row57.val[0])); + const uint32x4x2_t row37 = vtrnq_u32(vreinterpretq_u32_u16(row13.val[1]), + vreinterpretq_u32_u16(row57.val[1])); + *p3 = vreinterpretq_u8_u32(row04.val[0]); + *p2 = vreinterpretq_u8_u32(row15.val[0]); + *p1 = vreinterpretq_u8_u32(row26.val[0]); + *p0 = vreinterpretq_u8_u32(row37.val[0]); + *q0 = vreinterpretq_u8_u32(row04.val[1]); + *q1 = vreinterpretq_u8_u32(row15.val[1]); + *q2 = vreinterpretq_u8_u32(row26.val[1]); + *q3 = vreinterpretq_u8_u32(row37.val[1]); +} +#undef LOAD_UV_8 + +#endif // !WORK_AROUND_GCC + +static WEBP_INLINE void Store2x8_NEON(const uint8x8x2_t v, + uint8_t* const dst, int stride) { + vst2_lane_u8(dst + 0 * stride, v, 0); + vst2_lane_u8(dst + 1 * stride, v, 1); + vst2_lane_u8(dst + 2 * stride, v, 2); + vst2_lane_u8(dst + 3 * stride, v, 3); + vst2_lane_u8(dst + 4 * stride, v, 4); + vst2_lane_u8(dst + 5 * stride, v, 5); + vst2_lane_u8(dst + 6 * stride, v, 6); + vst2_lane_u8(dst + 7 * stride, v, 7); +} + +static WEBP_INLINE void Store2x16_NEON(const uint8x16_t p0, const uint8x16_t q0, + uint8_t* const dst, int stride) { + uint8x8x2_t lo, hi; + lo.val[0] = vget_low_u8(p0); + lo.val[1] = vget_low_u8(q0); + hi.val[0] = vget_high_u8(p0); + hi.val[1] = vget_high_u8(q0); + Store2x8_NEON(lo, dst - 1 + 0 * stride, stride); + Store2x8_NEON(hi, dst - 1 + 8 * stride, stride); +} + +#if !defined(WORK_AROUND_GCC) +static WEBP_INLINE void Store4x8_NEON(const uint8x8x4_t v, + uint8_t* const dst, int stride) { + vst4_lane_u8(dst + 0 * stride, v, 0); + vst4_lane_u8(dst + 1 * stride, v, 1); + vst4_lane_u8(dst + 2 * stride, v, 2); + vst4_lane_u8(dst + 3 * stride, v, 3); + vst4_lane_u8(dst + 4 * stride, v, 4); + vst4_lane_u8(dst + 5 * stride, v, 5); + vst4_lane_u8(dst + 6 * stride, v, 6); + vst4_lane_u8(dst + 7 * stride, v, 7); +} + +static WEBP_INLINE void Store4x16_NEON(const uint8x16_t p1, const uint8x16_t p0, + const uint8x16_t q0, const uint8x16_t q1, + uint8_t* const dst, int stride) { + uint8x8x4_t lo, hi; + INIT_VECTOR4(lo, + vget_low_u8(p1), vget_low_u8(p0), + vget_low_u8(q0), vget_low_u8(q1)); + INIT_VECTOR4(hi, + vget_high_u8(p1), vget_high_u8(p0), + vget_high_u8(q0), vget_high_u8(q1)); + Store4x8_NEON(lo, dst - 2 + 0 * stride, stride); + Store4x8_NEON(hi, dst - 2 + 8 * stride, stride); +} +#endif // !WORK_AROUND_GCC + +static WEBP_INLINE void Store16x2_NEON(const uint8x16_t p0, const uint8x16_t q0, + uint8_t* const dst, int stride) { + vst1q_u8(dst - stride, p0); + vst1q_u8(dst, q0); +} + +static WEBP_INLINE void Store16x4_NEON(const uint8x16_t p1, const uint8x16_t p0, + const uint8x16_t q0, const uint8x16_t q1, + uint8_t* const dst, int stride) { + Store16x2_NEON(p1, p0, dst - stride, stride); + Store16x2_NEON(q0, q1, dst + stride, stride); +} + +static WEBP_INLINE void Store8x2x2_NEON(const uint8x16_t p0, + const uint8x16_t q0, + uint8_t* const u, uint8_t* const v, + int stride) { + // p0 and q0 contain the u+v samples packed in low/high halves. + vst1_u8(u - stride, vget_low_u8(p0)); + vst1_u8(u, vget_low_u8(q0)); + vst1_u8(v - stride, vget_high_u8(p0)); + vst1_u8(v, vget_high_u8(q0)); +} + +static WEBP_INLINE void Store8x4x2_NEON(const uint8x16_t p1, + const uint8x16_t p0, + const uint8x16_t q0, + const uint8x16_t q1, + uint8_t* const u, uint8_t* const v, + int stride) { + // The p1...q1 registers contain the u+v samples packed in low/high halves. + Store8x2x2_NEON(p1, p0, u - stride, v - stride, stride); + Store8x2x2_NEON(q0, q1, u + stride, v + stride, stride); +} + +#if !defined(WORK_AROUND_GCC) + +#define STORE6_LANE(DST, VAL0, VAL1, LANE) do { \ + vst3_lane_u8((DST) - 3, (VAL0), (LANE)); \ + vst3_lane_u8((DST) + 0, (VAL1), (LANE)); \ + (DST) += stride; \ +} while (0) + +static WEBP_INLINE void Store6x8x2_NEON( + const uint8x16_t p2, const uint8x16_t p1, const uint8x16_t p0, + const uint8x16_t q0, const uint8x16_t q1, const uint8x16_t q2, + uint8_t* u, uint8_t* v, int stride) { + uint8x8x3_t u0, u1, v0, v1; + INIT_VECTOR3(u0, vget_low_u8(p2), vget_low_u8(p1), vget_low_u8(p0)); + INIT_VECTOR3(u1, vget_low_u8(q0), vget_low_u8(q1), vget_low_u8(q2)); + INIT_VECTOR3(v0, vget_high_u8(p2), vget_high_u8(p1), vget_high_u8(p0)); + INIT_VECTOR3(v1, vget_high_u8(q0), vget_high_u8(q1), vget_high_u8(q2)); + STORE6_LANE(u, u0, u1, 0); + STORE6_LANE(u, u0, u1, 1); + STORE6_LANE(u, u0, u1, 2); + STORE6_LANE(u, u0, u1, 3); + STORE6_LANE(u, u0, u1, 4); + STORE6_LANE(u, u0, u1, 5); + STORE6_LANE(u, u0, u1, 6); + STORE6_LANE(u, u0, u1, 7); + STORE6_LANE(v, v0, v1, 0); + STORE6_LANE(v, v0, v1, 1); + STORE6_LANE(v, v0, v1, 2); + STORE6_LANE(v, v0, v1, 3); + STORE6_LANE(v, v0, v1, 4); + STORE6_LANE(v, v0, v1, 5); + STORE6_LANE(v, v0, v1, 6); + STORE6_LANE(v, v0, v1, 7); +} +#undef STORE6_LANE + +static WEBP_INLINE void Store4x8x2_NEON(const uint8x16_t p1, + const uint8x16_t p0, + const uint8x16_t q0, + const uint8x16_t q1, + uint8_t* const u, uint8_t* const v, + int stride) { + uint8x8x4_t u0, v0; + INIT_VECTOR4(u0, + vget_low_u8(p1), vget_low_u8(p0), + vget_low_u8(q0), vget_low_u8(q1)); + INIT_VECTOR4(v0, + vget_high_u8(p1), vget_high_u8(p0), + vget_high_u8(q0), vget_high_u8(q1)); + vst4_lane_u8(u - 2 + 0 * stride, u0, 0); + vst4_lane_u8(u - 2 + 1 * stride, u0, 1); + vst4_lane_u8(u - 2 + 2 * stride, u0, 2); + vst4_lane_u8(u - 2 + 3 * stride, u0, 3); + vst4_lane_u8(u - 2 + 4 * stride, u0, 4); + vst4_lane_u8(u - 2 + 5 * stride, u0, 5); + vst4_lane_u8(u - 2 + 6 * stride, u0, 6); + vst4_lane_u8(u - 2 + 7 * stride, u0, 7); + vst4_lane_u8(v - 2 + 0 * stride, v0, 0); + vst4_lane_u8(v - 2 + 1 * stride, v0, 1); + vst4_lane_u8(v - 2 + 2 * stride, v0, 2); + vst4_lane_u8(v - 2 + 3 * stride, v0, 3); + vst4_lane_u8(v - 2 + 4 * stride, v0, 4); + vst4_lane_u8(v - 2 + 5 * stride, v0, 5); + vst4_lane_u8(v - 2 + 6 * stride, v0, 6); + vst4_lane_u8(v - 2 + 7 * stride, v0, 7); +} + +#endif // !WORK_AROUND_GCC + +// Zero extend 'v' to an int16x8_t. +static WEBP_INLINE int16x8_t ConvertU8ToS16_NEON(uint8x8_t v) { + return vreinterpretq_s16_u16(vmovl_u8(v)); +} + +// Performs unsigned 8b saturation on 'dst01' and 'dst23' storing the result +// to the corresponding rows of 'dst'. +static WEBP_INLINE void SaturateAndStore4x4_NEON(uint8_t* const dst, + const int16x8_t dst01, + const int16x8_t dst23) { + // Unsigned saturate to 8b. + const uint8x8_t dst01_u8 = vqmovun_s16(dst01); + const uint8x8_t dst23_u8 = vqmovun_s16(dst23); + + // Store the results. + vst1_lane_u32((uint32_t*)(dst + 0 * BPS), vreinterpret_u32_u8(dst01_u8), 0); + vst1_lane_u32((uint32_t*)(dst + 1 * BPS), vreinterpret_u32_u8(dst01_u8), 1); + vst1_lane_u32((uint32_t*)(dst + 2 * BPS), vreinterpret_u32_u8(dst23_u8), 0); + vst1_lane_u32((uint32_t*)(dst + 3 * BPS), vreinterpret_u32_u8(dst23_u8), 1); +} + +static WEBP_INLINE void Add4x4_NEON(const int16x8_t row01, + const int16x8_t row23, + uint8_t* const dst) { + uint32x2_t dst01 = vdup_n_u32(0); + uint32x2_t dst23 = vdup_n_u32(0); + + // Load the source pixels. + dst01 = vld1_lane_u32((uint32_t*)(dst + 0 * BPS), dst01, 0); + dst23 = vld1_lane_u32((uint32_t*)(dst + 2 * BPS), dst23, 0); + dst01 = vld1_lane_u32((uint32_t*)(dst + 1 * BPS), dst01, 1); + dst23 = vld1_lane_u32((uint32_t*)(dst + 3 * BPS), dst23, 1); + + { + // Convert to 16b. + const int16x8_t dst01_s16 = ConvertU8ToS16_NEON(vreinterpret_u8_u32(dst01)); + const int16x8_t dst23_s16 = ConvertU8ToS16_NEON(vreinterpret_u8_u32(dst23)); + + // Descale with rounding. + const int16x8_t out01 = vrsraq_n_s16(dst01_s16, row01, 3); + const int16x8_t out23 = vrsraq_n_s16(dst23_s16, row23, 3); + // Add the inverse transform. + SaturateAndStore4x4_NEON(dst, out01, out23); + } +} + +//----------------------------------------------------------------------------- +// Simple In-loop filtering (Paragraph 15.2) + +static uint8x16_t NeedsFilter_NEON(const uint8x16_t p1, const uint8x16_t p0, + const uint8x16_t q0, const uint8x16_t q1, + int thresh) { + const uint8x16_t thresh_v = vdupq_n_u8((uint8_t)thresh); + const uint8x16_t a_p0_q0 = vabdq_u8(p0, q0); // abs(p0-q0) + const uint8x16_t a_p1_q1 = vabdq_u8(p1, q1); // abs(p1-q1) + const uint8x16_t a_p0_q0_2 = vqaddq_u8(a_p0_q0, a_p0_q0); // 2 * abs(p0-q0) + const uint8x16_t a_p1_q1_2 = vshrq_n_u8(a_p1_q1, 1); // abs(p1-q1) / 2 + const uint8x16_t sum = vqaddq_u8(a_p0_q0_2, a_p1_q1_2); + const uint8x16_t mask = vcgeq_u8(thresh_v, sum); + return mask; +} + +static int8x16_t FlipSign_NEON(const uint8x16_t v) { + const uint8x16_t sign_bit = vdupq_n_u8(0x80); + return vreinterpretq_s8_u8(veorq_u8(v, sign_bit)); +} + +static uint8x16_t FlipSignBack_NEON(const int8x16_t v) { + const int8x16_t sign_bit = vdupq_n_s8(0x80); + return vreinterpretq_u8_s8(veorq_s8(v, sign_bit)); +} + +static int8x16_t GetBaseDelta_NEON(const int8x16_t p1, const int8x16_t p0, + const int8x16_t q0, const int8x16_t q1) { + const int8x16_t q0_p0 = vqsubq_s8(q0, p0); // (q0-p0) + const int8x16_t p1_q1 = vqsubq_s8(p1, q1); // (p1-q1) + const int8x16_t s1 = vqaddq_s8(p1_q1, q0_p0); // (p1-q1) + 1 * (q0 - p0) + const int8x16_t s2 = vqaddq_s8(q0_p0, s1); // (p1-q1) + 2 * (q0 - p0) + const int8x16_t s3 = vqaddq_s8(q0_p0, s2); // (p1-q1) + 3 * (q0 - p0) + return s3; +} + +static int8x16_t GetBaseDelta0_NEON(const int8x16_t p0, const int8x16_t q0) { + const int8x16_t q0_p0 = vqsubq_s8(q0, p0); // (q0-p0) + const int8x16_t s1 = vqaddq_s8(q0_p0, q0_p0); // 2 * (q0 - p0) + const int8x16_t s2 = vqaddq_s8(q0_p0, s1); // 3 * (q0 - p0) + return s2; +} + +//------------------------------------------------------------------------------ + +static void ApplyFilter2NoFlip_NEON(const int8x16_t p0s, const int8x16_t q0s, + const int8x16_t delta, + int8x16_t* const op0, + int8x16_t* const oq0) { + const int8x16_t kCst3 = vdupq_n_s8(0x03); + const int8x16_t kCst4 = vdupq_n_s8(0x04); + const int8x16_t delta_p3 = vqaddq_s8(delta, kCst3); + const int8x16_t delta_p4 = vqaddq_s8(delta, kCst4); + const int8x16_t delta3 = vshrq_n_s8(delta_p3, 3); + const int8x16_t delta4 = vshrq_n_s8(delta_p4, 3); + *op0 = vqaddq_s8(p0s, delta3); + *oq0 = vqsubq_s8(q0s, delta4); +} + +#if defined(WEBP_USE_INTRINSICS) + +static void ApplyFilter2_NEON(const int8x16_t p0s, const int8x16_t q0s, + const int8x16_t delta, + uint8x16_t* const op0, uint8x16_t* const oq0) { + const int8x16_t kCst3 = vdupq_n_s8(0x03); + const int8x16_t kCst4 = vdupq_n_s8(0x04); + const int8x16_t delta_p3 = vqaddq_s8(delta, kCst3); + const int8x16_t delta_p4 = vqaddq_s8(delta, kCst4); + const int8x16_t delta3 = vshrq_n_s8(delta_p3, 3); + const int8x16_t delta4 = vshrq_n_s8(delta_p4, 3); + const int8x16_t sp0 = vqaddq_s8(p0s, delta3); + const int8x16_t sq0 = vqsubq_s8(q0s, delta4); + *op0 = FlipSignBack_NEON(sp0); + *oq0 = FlipSignBack_NEON(sq0); +} + +static void DoFilter2_NEON(const uint8x16_t p1, const uint8x16_t p0, + const uint8x16_t q0, const uint8x16_t q1, + const uint8x16_t mask, + uint8x16_t* const op0, uint8x16_t* const oq0) { + const int8x16_t p1s = FlipSign_NEON(p1); + const int8x16_t p0s = FlipSign_NEON(p0); + const int8x16_t q0s = FlipSign_NEON(q0); + const int8x16_t q1s = FlipSign_NEON(q1); + const int8x16_t delta0 = GetBaseDelta_NEON(p1s, p0s, q0s, q1s); + const int8x16_t delta1 = vandq_s8(delta0, vreinterpretq_s8_u8(mask)); + ApplyFilter2_NEON(p0s, q0s, delta1, op0, oq0); +} + +static void SimpleVFilter16_NEON(uint8_t* p, int stride, int thresh) { + uint8x16_t p1, p0, q0, q1, op0, oq0; + Load16x4_NEON(p, stride, &p1, &p0, &q0, &q1); + { + const uint8x16_t mask = NeedsFilter_NEON(p1, p0, q0, q1, thresh); + DoFilter2_NEON(p1, p0, q0, q1, mask, &op0, &oq0); + } + Store16x2_NEON(op0, oq0, p, stride); +} + +static void SimpleHFilter16_NEON(uint8_t* p, int stride, int thresh) { + uint8x16_t p1, p0, q0, q1, oq0, op0; + Load4x16_NEON(p, stride, &p1, &p0, &q0, &q1); + { + const uint8x16_t mask = NeedsFilter_NEON(p1, p0, q0, q1, thresh); + DoFilter2_NEON(p1, p0, q0, q1, mask, &op0, &oq0); + } + Store2x16_NEON(op0, oq0, p, stride); +} + +#else + +// Load/Store vertical edge +#define LOAD8x4(c1, c2, c3, c4, b1, b2, stride) \ + "vld4.8 {" #c1 "[0]," #c2 "[0]," #c3 "[0]," #c4 "[0]}," #b1 "," #stride "\n" \ + "vld4.8 {" #c1 "[1]," #c2 "[1]," #c3 "[1]," #c4 "[1]}," #b2 "," #stride "\n" \ + "vld4.8 {" #c1 "[2]," #c2 "[2]," #c3 "[2]," #c4 "[2]}," #b1 "," #stride "\n" \ + "vld4.8 {" #c1 "[3]," #c2 "[3]," #c3 "[3]," #c4 "[3]}," #b2 "," #stride "\n" \ + "vld4.8 {" #c1 "[4]," #c2 "[4]," #c3 "[4]," #c4 "[4]}," #b1 "," #stride "\n" \ + "vld4.8 {" #c1 "[5]," #c2 "[5]," #c3 "[5]," #c4 "[5]}," #b2 "," #stride "\n" \ + "vld4.8 {" #c1 "[6]," #c2 "[6]," #c3 "[6]," #c4 "[6]}," #b1 "," #stride "\n" \ + "vld4.8 {" #c1 "[7]," #c2 "[7]," #c3 "[7]," #c4 "[7]}," #b2 "," #stride "\n" + +#define STORE8x2(c1, c2, p, stride) \ + "vst2.8 {" #c1 "[0], " #c2 "[0]}," #p "," #stride " \n" \ + "vst2.8 {" #c1 "[1], " #c2 "[1]}," #p "," #stride " \n" \ + "vst2.8 {" #c1 "[2], " #c2 "[2]}," #p "," #stride " \n" \ + "vst2.8 {" #c1 "[3], " #c2 "[3]}," #p "," #stride " \n" \ + "vst2.8 {" #c1 "[4], " #c2 "[4]}," #p "," #stride " \n" \ + "vst2.8 {" #c1 "[5], " #c2 "[5]}," #p "," #stride " \n" \ + "vst2.8 {" #c1 "[6], " #c2 "[6]}," #p "," #stride " \n" \ + "vst2.8 {" #c1 "[7], " #c2 "[7]}," #p "," #stride " \n" + +#define QRegs "q0", "q1", "q2", "q3", \ + "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15" + +#define FLIP_SIGN_BIT2(a, b, s) \ + "veor " #a "," #a "," #s " \n" \ + "veor " #b "," #b "," #s " \n" \ + +#define FLIP_SIGN_BIT4(a, b, c, d, s) \ + FLIP_SIGN_BIT2(a, b, s) \ + FLIP_SIGN_BIT2(c, d, s) \ + +#define NEEDS_FILTER(p1, p0, q0, q1, thresh, mask) \ + "vabd.u8 q15," #p0 "," #q0 " \n" /* abs(p0 - q0) */ \ + "vabd.u8 q14," #p1 "," #q1 " \n" /* abs(p1 - q1) */ \ + "vqadd.u8 q15, q15, q15 \n" /* abs(p0 - q0) * 2 */ \ + "vshr.u8 q14, q14, #1 \n" /* abs(p1 - q1) / 2 */ \ + "vqadd.u8 q15, q15, q14 \n" /* abs(p0 - q0) * 2 + abs(p1 - q1) / 2 */ \ + "vdup.8 q14, " #thresh " \n" \ + "vcge.u8 " #mask ", q14, q15 \n" /* mask <= thresh */ + +#define GET_BASE_DELTA(p1, p0, q0, q1, o) \ + "vqsub.s8 q15," #q0 "," #p0 " \n" /* (q0 - p0) */ \ + "vqsub.s8 " #o "," #p1 "," #q1 " \n" /* (p1 - q1) */ \ + "vqadd.s8 " #o "," #o ", q15 \n" /* (p1 - q1) + 1 * (p0 - q0) */ \ + "vqadd.s8 " #o "," #o ", q15 \n" /* (p1 - q1) + 2 * (p0 - q0) */ \ + "vqadd.s8 " #o "," #o ", q15 \n" /* (p1 - q1) + 3 * (p0 - q0) */ + +#define DO_SIMPLE_FILTER(p0, q0, fl) \ + "vmov.i8 q15, #0x03 \n" \ + "vqadd.s8 q15, q15, " #fl " \n" /* filter1 = filter + 3 */ \ + "vshr.s8 q15, q15, #3 \n" /* filter1 >> 3 */ \ + "vqadd.s8 " #p0 "," #p0 ", q15 \n" /* p0 += filter1 */ \ + \ + "vmov.i8 q15, #0x04 \n" \ + "vqadd.s8 q15, q15, " #fl " \n" /* filter1 = filter + 4 */ \ + "vshr.s8 q15, q15, #3 \n" /* filter2 >> 3 */ \ + "vqsub.s8 " #q0 "," #q0 ", q15 \n" /* q0 -= filter2 */ + +// Applies filter on 2 pixels (p0 and q0) +#define DO_FILTER2(p1, p0, q0, q1, thresh) \ + NEEDS_FILTER(p1, p0, q0, q1, thresh, q9) /* filter mask in q9 */ \ + "vmov.i8 q10, #0x80 \n" /* sign bit */ \ + FLIP_SIGN_BIT4(p1, p0, q0, q1, q10) /* convert to signed value */ \ + GET_BASE_DELTA(p1, p0, q0, q1, q11) /* get filter level */ \ + "vand q9, q9, q11 \n" /* apply filter mask */ \ + DO_SIMPLE_FILTER(p0, q0, q9) /* apply filter */ \ + FLIP_SIGN_BIT2(p0, q0, q10) + +static void SimpleVFilter16_NEON(uint8_t* p, int stride, int thresh) { + __asm__ volatile ( + "sub %[p], %[p], %[stride], lsl #1 \n" // p -= 2 * stride + + "vld1.u8 {q1}, [%[p]], %[stride] \n" // p1 + "vld1.u8 {q2}, [%[p]], %[stride] \n" // p0 + "vld1.u8 {q3}, [%[p]], %[stride] \n" // q0 + "vld1.u8 {q12}, [%[p]] \n" // q1 + + DO_FILTER2(q1, q2, q3, q12, %[thresh]) + + "sub %[p], %[p], %[stride], lsl #1 \n" // p -= 2 * stride + + "vst1.u8 {q2}, [%[p]], %[stride] \n" // store op0 + "vst1.u8 {q3}, [%[p]] \n" // store oq0 + : [p] "+r"(p) + : [stride] "r"(stride), [thresh] "r"(thresh) + : "memory", QRegs + ); +} + +static void SimpleHFilter16_NEON(uint8_t* p, int stride, int thresh) { + __asm__ volatile ( + "sub r4, %[p], #2 \n" // base1 = p - 2 + "lsl r6, %[stride], #1 \n" // r6 = 2 * stride + "add r5, r4, %[stride] \n" // base2 = base1 + stride + + LOAD8x4(d2, d3, d4, d5, [r4], [r5], r6) + LOAD8x4(d24, d25, d26, d27, [r4], [r5], r6) + "vswp d3, d24 \n" // p1:q1 p0:q3 + "vswp d5, d26 \n" // q0:q2 q1:q4 + "vswp q2, q12 \n" // p1:q1 p0:q2 q0:q3 q1:q4 + + DO_FILTER2(q1, q2, q12, q13, %[thresh]) + + "sub %[p], %[p], #1 \n" // p - 1 + + "vswp d5, d24 \n" + STORE8x2(d4, d5, [%[p]], %[stride]) + STORE8x2(d24, d25, [%[p]], %[stride]) + + : [p] "+r"(p) + : [stride] "r"(stride), [thresh] "r"(thresh) + : "memory", "r4", "r5", "r6", QRegs + ); +} + +#undef LOAD8x4 +#undef STORE8x2 + +#endif // WEBP_USE_INTRINSICS + +static void SimpleVFilter16i_NEON(uint8_t* p, int stride, int thresh) { + uint32_t k; + for (k = 3; k != 0; --k) { + p += 4 * stride; + SimpleVFilter16_NEON(p, stride, thresh); + } +} + +static void SimpleHFilter16i_NEON(uint8_t* p, int stride, int thresh) { + uint32_t k; + for (k = 3; k != 0; --k) { + p += 4; + SimpleHFilter16_NEON(p, stride, thresh); + } +} + +//------------------------------------------------------------------------------ +// Complex In-loop filtering (Paragraph 15.3) + +static uint8x16_t NeedsHev_NEON(const uint8x16_t p1, const uint8x16_t p0, + const uint8x16_t q0, const uint8x16_t q1, + int hev_thresh) { + const uint8x16_t hev_thresh_v = vdupq_n_u8((uint8_t)hev_thresh); + const uint8x16_t a_p1_p0 = vabdq_u8(p1, p0); // abs(p1 - p0) + const uint8x16_t a_q1_q0 = vabdq_u8(q1, q0); // abs(q1 - q0) + const uint8x16_t a_max = vmaxq_u8(a_p1_p0, a_q1_q0); + const uint8x16_t mask = vcgtq_u8(a_max, hev_thresh_v); + return mask; +} + +static uint8x16_t NeedsFilter2_NEON(const uint8x16_t p3, const uint8x16_t p2, + const uint8x16_t p1, const uint8x16_t p0, + const uint8x16_t q0, const uint8x16_t q1, + const uint8x16_t q2, const uint8x16_t q3, + int ithresh, int thresh) { + const uint8x16_t ithresh_v = vdupq_n_u8((uint8_t)ithresh); + const uint8x16_t a_p3_p2 = vabdq_u8(p3, p2); // abs(p3 - p2) + const uint8x16_t a_p2_p1 = vabdq_u8(p2, p1); // abs(p2 - p1) + const uint8x16_t a_p1_p0 = vabdq_u8(p1, p0); // abs(p1 - p0) + const uint8x16_t a_q3_q2 = vabdq_u8(q3, q2); // abs(q3 - q2) + const uint8x16_t a_q2_q1 = vabdq_u8(q2, q1); // abs(q2 - q1) + const uint8x16_t a_q1_q0 = vabdq_u8(q1, q0); // abs(q1 - q0) + const uint8x16_t max1 = vmaxq_u8(a_p3_p2, a_p2_p1); + const uint8x16_t max2 = vmaxq_u8(a_p1_p0, a_q3_q2); + const uint8x16_t max3 = vmaxq_u8(a_q2_q1, a_q1_q0); + const uint8x16_t max12 = vmaxq_u8(max1, max2); + const uint8x16_t max123 = vmaxq_u8(max12, max3); + const uint8x16_t mask2 = vcgeq_u8(ithresh_v, max123); + const uint8x16_t mask1 = NeedsFilter_NEON(p1, p0, q0, q1, thresh); + const uint8x16_t mask = vandq_u8(mask1, mask2); + return mask; +} + +// 4-points filter + +static void ApplyFilter4_NEON( + const int8x16_t p1, const int8x16_t p0, + const int8x16_t q0, const int8x16_t q1, + const int8x16_t delta0, + uint8x16_t* const op1, uint8x16_t* const op0, + uint8x16_t* const oq0, uint8x16_t* const oq1) { + const int8x16_t kCst3 = vdupq_n_s8(0x03); + const int8x16_t kCst4 = vdupq_n_s8(0x04); + const int8x16_t delta1 = vqaddq_s8(delta0, kCst4); + const int8x16_t delta2 = vqaddq_s8(delta0, kCst3); + const int8x16_t a1 = vshrq_n_s8(delta1, 3); + const int8x16_t a2 = vshrq_n_s8(delta2, 3); + const int8x16_t a3 = vrshrq_n_s8(a1, 1); // a3 = (a1 + 1) >> 1 + *op0 = FlipSignBack_NEON(vqaddq_s8(p0, a2)); // clip(p0 + a2) + *oq0 = FlipSignBack_NEON(vqsubq_s8(q0, a1)); // clip(q0 - a1) + *op1 = FlipSignBack_NEON(vqaddq_s8(p1, a3)); // clip(p1 + a3) + *oq1 = FlipSignBack_NEON(vqsubq_s8(q1, a3)); // clip(q1 - a3) +} + +static void DoFilter4_NEON( + const uint8x16_t p1, const uint8x16_t p0, + const uint8x16_t q0, const uint8x16_t q1, + const uint8x16_t mask, const uint8x16_t hev_mask, + uint8x16_t* const op1, uint8x16_t* const op0, + uint8x16_t* const oq0, uint8x16_t* const oq1) { + // This is a fused version of DoFilter2() calling ApplyFilter2 directly + const int8x16_t p1s = FlipSign_NEON(p1); + int8x16_t p0s = FlipSign_NEON(p0); + int8x16_t q0s = FlipSign_NEON(q0); + const int8x16_t q1s = FlipSign_NEON(q1); + const uint8x16_t simple_lf_mask = vandq_u8(mask, hev_mask); + + // do_filter2 part (simple loopfilter on pixels with hev) + { + const int8x16_t delta = GetBaseDelta_NEON(p1s, p0s, q0s, q1s); + const int8x16_t simple_lf_delta = + vandq_s8(delta, vreinterpretq_s8_u8(simple_lf_mask)); + ApplyFilter2NoFlip_NEON(p0s, q0s, simple_lf_delta, &p0s, &q0s); + } + + // do_filter4 part (complex loopfilter on pixels without hev) + { + const int8x16_t delta0 = GetBaseDelta0_NEON(p0s, q0s); + // we use: (mask & hev_mask) ^ mask = mask & !hev_mask + const uint8x16_t complex_lf_mask = veorq_u8(simple_lf_mask, mask); + const int8x16_t complex_lf_delta = + vandq_s8(delta0, vreinterpretq_s8_u8(complex_lf_mask)); + ApplyFilter4_NEON(p1s, p0s, q0s, q1s, complex_lf_delta, op1, op0, oq0, oq1); + } +} + +// 6-points filter + +static void ApplyFilter6_NEON( + const int8x16_t p2, const int8x16_t p1, const int8x16_t p0, + const int8x16_t q0, const int8x16_t q1, const int8x16_t q2, + const int8x16_t delta, + uint8x16_t* const op2, uint8x16_t* const op1, uint8x16_t* const op0, + uint8x16_t* const oq0, uint8x16_t* const oq1, uint8x16_t* const oq2) { + // We have to compute: X = (9*a+63) >> 7, Y = (18*a+63)>>7, Z = (27*a+63) >> 7 + // Turns out, there's a common sub-expression S=9 * a - 1 that can be used + // with the special vqrshrn_n_s16 rounding-shift-and-narrow instruction: + // X = (S + 64) >> 7, Y = (S + 32) >> 6, Z = (18 * a + S + 64) >> 7 + const int8x8_t delta_lo = vget_low_s8(delta); + const int8x8_t delta_hi = vget_high_s8(delta); + const int8x8_t kCst9 = vdup_n_s8(9); + const int16x8_t kCstm1 = vdupq_n_s16(-1); + const int8x8_t kCst18 = vdup_n_s8(18); + const int16x8_t S_lo = vmlal_s8(kCstm1, kCst9, delta_lo); // S = 9 * a - 1 + const int16x8_t S_hi = vmlal_s8(kCstm1, kCst9, delta_hi); + const int16x8_t Z_lo = vmlal_s8(S_lo, kCst18, delta_lo); // S + 18 * a + const int16x8_t Z_hi = vmlal_s8(S_hi, kCst18, delta_hi); + const int8x8_t a3_lo = vqrshrn_n_s16(S_lo, 7); // (9 * a + 63) >> 7 + const int8x8_t a3_hi = vqrshrn_n_s16(S_hi, 7); + const int8x8_t a2_lo = vqrshrn_n_s16(S_lo, 6); // (9 * a + 31) >> 6 + const int8x8_t a2_hi = vqrshrn_n_s16(S_hi, 6); + const int8x8_t a1_lo = vqrshrn_n_s16(Z_lo, 7); // (27 * a + 63) >> 7 + const int8x8_t a1_hi = vqrshrn_n_s16(Z_hi, 7); + const int8x16_t a1 = vcombine_s8(a1_lo, a1_hi); + const int8x16_t a2 = vcombine_s8(a2_lo, a2_hi); + const int8x16_t a3 = vcombine_s8(a3_lo, a3_hi); + + *op0 = FlipSignBack_NEON(vqaddq_s8(p0, a1)); // clip(p0 + a1) + *oq0 = FlipSignBack_NEON(vqsubq_s8(q0, a1)); // clip(q0 - q1) + *oq1 = FlipSignBack_NEON(vqsubq_s8(q1, a2)); // clip(q1 - a2) + *op1 = FlipSignBack_NEON(vqaddq_s8(p1, a2)); // clip(p1 + a2) + *oq2 = FlipSignBack_NEON(vqsubq_s8(q2, a3)); // clip(q2 - a3) + *op2 = FlipSignBack_NEON(vqaddq_s8(p2, a3)); // clip(p2 + a3) +} + +static void DoFilter6_NEON( + const uint8x16_t p2, const uint8x16_t p1, const uint8x16_t p0, + const uint8x16_t q0, const uint8x16_t q1, const uint8x16_t q2, + const uint8x16_t mask, const uint8x16_t hev_mask, + uint8x16_t* const op2, uint8x16_t* const op1, uint8x16_t* const op0, + uint8x16_t* const oq0, uint8x16_t* const oq1, uint8x16_t* const oq2) { + // This is a fused version of DoFilter2() calling ApplyFilter2 directly + const int8x16_t p2s = FlipSign_NEON(p2); + const int8x16_t p1s = FlipSign_NEON(p1); + int8x16_t p0s = FlipSign_NEON(p0); + int8x16_t q0s = FlipSign_NEON(q0); + const int8x16_t q1s = FlipSign_NEON(q1); + const int8x16_t q2s = FlipSign_NEON(q2); + const uint8x16_t simple_lf_mask = vandq_u8(mask, hev_mask); + const int8x16_t delta0 = GetBaseDelta_NEON(p1s, p0s, q0s, q1s); + + // do_filter2 part (simple loopfilter on pixels with hev) + { + const int8x16_t simple_lf_delta = + vandq_s8(delta0, vreinterpretq_s8_u8(simple_lf_mask)); + ApplyFilter2NoFlip_NEON(p0s, q0s, simple_lf_delta, &p0s, &q0s); + } + + // do_filter6 part (complex loopfilter on pixels without hev) + { + // we use: (mask & hev_mask) ^ mask = mask & !hev_mask + const uint8x16_t complex_lf_mask = veorq_u8(simple_lf_mask, mask); + const int8x16_t complex_lf_delta = + vandq_s8(delta0, vreinterpretq_s8_u8(complex_lf_mask)); + ApplyFilter6_NEON(p2s, p1s, p0s, q0s, q1s, q2s, complex_lf_delta, + op2, op1, op0, oq0, oq1, oq2); + } +} + +// on macroblock edges + +static void VFilter16_NEON(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + uint8x16_t p3, p2, p1, p0, q0, q1, q2, q3; + Load16x8_NEON(p, stride, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3); + { + const uint8x16_t mask = NeedsFilter2_NEON(p3, p2, p1, p0, q0, q1, q2, q3, + ithresh, thresh); + const uint8x16_t hev_mask = NeedsHev_NEON(p1, p0, q0, q1, hev_thresh); + uint8x16_t op2, op1, op0, oq0, oq1, oq2; + DoFilter6_NEON(p2, p1, p0, q0, q1, q2, mask, hev_mask, + &op2, &op1, &op0, &oq0, &oq1, &oq2); + Store16x2_NEON(op2, op1, p - 2 * stride, stride); + Store16x2_NEON(op0, oq0, p + 0 * stride, stride); + Store16x2_NEON(oq1, oq2, p + 2 * stride, stride); + } +} + +static void HFilter16_NEON(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + uint8x16_t p3, p2, p1, p0, q0, q1, q2, q3; + Load8x16_NEON(p, stride, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3); + { + const uint8x16_t mask = NeedsFilter2_NEON(p3, p2, p1, p0, q0, q1, q2, q3, + ithresh, thresh); + const uint8x16_t hev_mask = NeedsHev_NEON(p1, p0, q0, q1, hev_thresh); + uint8x16_t op2, op1, op0, oq0, oq1, oq2; + DoFilter6_NEON(p2, p1, p0, q0, q1, q2, mask, hev_mask, + &op2, &op1, &op0, &oq0, &oq1, &oq2); + Store2x16_NEON(op2, op1, p - 2, stride); + Store2x16_NEON(op0, oq0, p + 0, stride); + Store2x16_NEON(oq1, oq2, p + 2, stride); + } +} + +// on three inner edges +static void VFilter16i_NEON(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + uint32_t k; + uint8x16_t p3, p2, p1, p0; + Load16x4_NEON(p + 2 * stride, stride, &p3, &p2, &p1, &p0); + for (k = 3; k != 0; --k) { + uint8x16_t q0, q1, q2, q3; + p += 4 * stride; + Load16x4_NEON(p + 2 * stride, stride, &q0, &q1, &q2, &q3); + { + const uint8x16_t mask = + NeedsFilter2_NEON(p3, p2, p1, p0, q0, q1, q2, q3, ithresh, thresh); + const uint8x16_t hev_mask = NeedsHev_NEON(p1, p0, q0, q1, hev_thresh); + // p3 and p2 are not just temporary variables here: they will be + // re-used for next span. And q2/q3 will become p1/p0 accordingly. + DoFilter4_NEON(p1, p0, q0, q1, mask, hev_mask, &p1, &p0, &p3, &p2); + Store16x4_NEON(p1, p0, p3, p2, p, stride); + p1 = q2; + p0 = q3; + } + } +} + +#if !defined(WORK_AROUND_GCC) +static void HFilter16i_NEON(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + uint32_t k; + uint8x16_t p3, p2, p1, p0; + Load4x16_NEON(p + 2, stride, &p3, &p2, &p1, &p0); + for (k = 3; k != 0; --k) { + uint8x16_t q0, q1, q2, q3; + p += 4; + Load4x16_NEON(p + 2, stride, &q0, &q1, &q2, &q3); + { + const uint8x16_t mask = + NeedsFilter2_NEON(p3, p2, p1, p0, q0, q1, q2, q3, ithresh, thresh); + const uint8x16_t hev_mask = NeedsHev_NEON(p1, p0, q0, q1, hev_thresh); + DoFilter4_NEON(p1, p0, q0, q1, mask, hev_mask, &p1, &p0, &p3, &p2); + Store4x16_NEON(p1, p0, p3, p2, p, stride); + p1 = q2; + p0 = q3; + } + } +} +#endif // !WORK_AROUND_GCC + +// 8-pixels wide variant, for chroma filtering +static void VFilter8_NEON(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + uint8x16_t p3, p2, p1, p0, q0, q1, q2, q3; + Load8x8x2_NEON(u, v, stride, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3); + { + const uint8x16_t mask = NeedsFilter2_NEON(p3, p2, p1, p0, q0, q1, q2, q3, + ithresh, thresh); + const uint8x16_t hev_mask = NeedsHev_NEON(p1, p0, q0, q1, hev_thresh); + uint8x16_t op2, op1, op0, oq0, oq1, oq2; + DoFilter6_NEON(p2, p1, p0, q0, q1, q2, mask, hev_mask, + &op2, &op1, &op0, &oq0, &oq1, &oq2); + Store8x2x2_NEON(op2, op1, u - 2 * stride, v - 2 * stride, stride); + Store8x2x2_NEON(op0, oq0, u + 0 * stride, v + 0 * stride, stride); + Store8x2x2_NEON(oq1, oq2, u + 2 * stride, v + 2 * stride, stride); + } +} +static void VFilter8i_NEON(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + uint8x16_t p3, p2, p1, p0, q0, q1, q2, q3; + u += 4 * stride; + v += 4 * stride; + Load8x8x2_NEON(u, v, stride, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3); + { + const uint8x16_t mask = NeedsFilter2_NEON(p3, p2, p1, p0, q0, q1, q2, q3, + ithresh, thresh); + const uint8x16_t hev_mask = NeedsHev_NEON(p1, p0, q0, q1, hev_thresh); + uint8x16_t op1, op0, oq0, oq1; + DoFilter4_NEON(p1, p0, q0, q1, mask, hev_mask, &op1, &op0, &oq0, &oq1); + Store8x4x2_NEON(op1, op0, oq0, oq1, u, v, stride); + } +} + +#if !defined(WORK_AROUND_GCC) +static void HFilter8_NEON(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + uint8x16_t p3, p2, p1, p0, q0, q1, q2, q3; + Load8x8x2T_NEON(u, v, stride, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3); + { + const uint8x16_t mask = NeedsFilter2_NEON(p3, p2, p1, p0, q0, q1, q2, q3, + ithresh, thresh); + const uint8x16_t hev_mask = NeedsHev_NEON(p1, p0, q0, q1, hev_thresh); + uint8x16_t op2, op1, op0, oq0, oq1, oq2; + DoFilter6_NEON(p2, p1, p0, q0, q1, q2, mask, hev_mask, + &op2, &op1, &op0, &oq0, &oq1, &oq2); + Store6x8x2_NEON(op2, op1, op0, oq0, oq1, oq2, u, v, stride); + } +} + +static void HFilter8i_NEON(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + uint8x16_t p3, p2, p1, p0, q0, q1, q2, q3; + u += 4; + v += 4; + Load8x8x2T_NEON(u, v, stride, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3); + { + const uint8x16_t mask = NeedsFilter2_NEON(p3, p2, p1, p0, q0, q1, q2, q3, + ithresh, thresh); + const uint8x16_t hev_mask = NeedsHev_NEON(p1, p0, q0, q1, hev_thresh); + uint8x16_t op1, op0, oq0, oq1; + DoFilter4_NEON(p1, p0, q0, q1, mask, hev_mask, &op1, &op0, &oq0, &oq1); + Store4x8x2_NEON(op1, op0, oq0, oq1, u, v, stride); + } +} +#endif // !WORK_AROUND_GCC + +//----------------------------------------------------------------------------- +// Inverse transforms (Paragraph 14.4) + +// Technically these are unsigned but vqdmulh is only available in signed. +// vqdmulh returns high half (effectively >> 16) but also doubles the value, +// changing the >> 16 to >> 15 and requiring an additional >> 1. +// We use this to our advantage with kC2. The canonical value is 35468. +// However, the high bit is set so treating it as signed will give incorrect +// results. We avoid this by down shifting by 1 here to clear the highest bit. +// Combined with the doubling effect of vqdmulh we get >> 16. +// This can not be applied to kC1 because the lowest bit is set. Down shifting +// the constant would reduce precision. + +// libwebp uses a trick to avoid some extra addition that libvpx does. +// Instead of: +// temp2 = ip[12] + ((ip[12] * cospi8sqrt2minus1) >> 16); +// libwebp adds 1 << 16 to cospi8sqrt2minus1 (kC1). However, this causes the +// same issue with kC1 and vqdmulh that we work around by down shifting kC2 + +static const int16_t kC1 = 20091; +static const int16_t kC2 = 17734; // half of kC2, actually. See comment above. + +#if defined(WEBP_USE_INTRINSICS) +static WEBP_INLINE void Transpose8x2_NEON(const int16x8_t in0, + const int16x8_t in1, + int16x8x2_t* const out) { + // a0 a1 a2 a3 | b0 b1 b2 b3 => a0 b0 c0 d0 | a1 b1 c1 d1 + // c0 c1 c2 c3 | d0 d1 d2 d3 a2 b2 c2 d2 | a3 b3 c3 d3 + const int16x8x2_t tmp0 = vzipq_s16(in0, in1); // a0 c0 a1 c1 a2 c2 ... + // b0 d0 b1 d1 b2 d2 ... + *out = vzipq_s16(tmp0.val[0], tmp0.val[1]); +} + +static WEBP_INLINE void TransformPass_NEON(int16x8x2_t* const rows) { + // {rows} = in0 | in4 + // in8 | in12 + // B1 = in4 | in12 + const int16x8_t B1 = + vcombine_s16(vget_high_s16(rows->val[0]), vget_high_s16(rows->val[1])); + // C0 = kC1 * in4 | kC1 * in12 + // C1 = kC2 * in4 | kC2 * in12 + const int16x8_t C0 = vsraq_n_s16(B1, vqdmulhq_n_s16(B1, kC1), 1); + const int16x8_t C1 = vqdmulhq_n_s16(B1, kC2); + const int16x4_t a = vqadd_s16(vget_low_s16(rows->val[0]), + vget_low_s16(rows->val[1])); // in0 + in8 + const int16x4_t b = vqsub_s16(vget_low_s16(rows->val[0]), + vget_low_s16(rows->val[1])); // in0 - in8 + // c = kC2 * in4 - kC1 * in12 + // d = kC1 * in4 + kC2 * in12 + const int16x4_t c = vqsub_s16(vget_low_s16(C1), vget_high_s16(C0)); + const int16x4_t d = vqadd_s16(vget_low_s16(C0), vget_high_s16(C1)); + const int16x8_t D0 = vcombine_s16(a, b); // D0 = a | b + const int16x8_t D1 = vcombine_s16(d, c); // D1 = d | c + const int16x8_t E0 = vqaddq_s16(D0, D1); // a+d | b+c + const int16x8_t E_tmp = vqsubq_s16(D0, D1); // a-d | b-c + const int16x8_t E1 = vcombine_s16(vget_high_s16(E_tmp), vget_low_s16(E_tmp)); + Transpose8x2_NEON(E0, E1, rows); +} + +static void TransformOne_NEON(const int16_t* in, uint8_t* dst) { + int16x8x2_t rows; + INIT_VECTOR2(rows, vld1q_s16(in + 0), vld1q_s16(in + 8)); + TransformPass_NEON(&rows); + TransformPass_NEON(&rows); + Add4x4_NEON(rows.val[0], rows.val[1], dst); +} + +#else + +static void TransformOne_NEON(const int16_t* in, uint8_t* dst) { + const int kBPS = BPS; + // kC1, kC2. Padded because vld1.16 loads 8 bytes + const int16_t constants[4] = { kC1, kC2, 0, 0 }; + /* Adapted from libvpx: vp8/common/arm/neon/shortidct4x4llm_neon.asm */ + __asm__ volatile ( + "vld1.16 {q1, q2}, [%[in]] \n" + "vld1.16 {d0}, [%[constants]] \n" + + /* d2: in[0] + * d3: in[8] + * d4: in[4] + * d5: in[12] + */ + "vswp d3, d4 \n" + + /* q8 = {in[4], in[12]} * kC1 * 2 >> 16 + * q9 = {in[4], in[12]} * kC2 >> 16 + */ + "vqdmulh.s16 q8, q2, d0[0] \n" + "vqdmulh.s16 q9, q2, d0[1] \n" + + /* d22 = a = in[0] + in[8] + * d23 = b = in[0] - in[8] + */ + "vqadd.s16 d22, d2, d3 \n" + "vqsub.s16 d23, d2, d3 \n" + + /* The multiplication should be x * kC1 >> 16 + * However, with vqdmulh we get x * kC1 * 2 >> 16 + * (multiply, double, return high half) + * We avoided this in kC2 by pre-shifting the constant. + * q8 = in[4]/[12] * kC1 >> 16 + */ + "vshr.s16 q8, q8, #1 \n" + + /* Add {in[4], in[12]} back after the multiplication. This is handled by + * adding 1 << 16 to kC1 in the libwebp C code. + */ + "vqadd.s16 q8, q2, q8 \n" + + /* d20 = c = in[4]*kC2 - in[12]*kC1 + * d21 = d = in[4]*kC1 + in[12]*kC2 + */ + "vqsub.s16 d20, d18, d17 \n" + "vqadd.s16 d21, d19, d16 \n" + + /* d2 = tmp[0] = a + d + * d3 = tmp[1] = b + c + * d4 = tmp[2] = b - c + * d5 = tmp[3] = a - d + */ + "vqadd.s16 d2, d22, d21 \n" + "vqadd.s16 d3, d23, d20 \n" + "vqsub.s16 d4, d23, d20 \n" + "vqsub.s16 d5, d22, d21 \n" + + "vzip.16 q1, q2 \n" + "vzip.16 q1, q2 \n" + + "vswp d3, d4 \n" + + /* q8 = {tmp[4], tmp[12]} * kC1 * 2 >> 16 + * q9 = {tmp[4], tmp[12]} * kC2 >> 16 + */ + "vqdmulh.s16 q8, q2, d0[0] \n" + "vqdmulh.s16 q9, q2, d0[1] \n" + + /* d22 = a = tmp[0] + tmp[8] + * d23 = b = tmp[0] - tmp[8] + */ + "vqadd.s16 d22, d2, d3 \n" + "vqsub.s16 d23, d2, d3 \n" + + /* See long winded explanations prior */ + "vshr.s16 q8, q8, #1 \n" + "vqadd.s16 q8, q2, q8 \n" + + /* d20 = c = in[4]*kC2 - in[12]*kC1 + * d21 = d = in[4]*kC1 + in[12]*kC2 + */ + "vqsub.s16 d20, d18, d17 \n" + "vqadd.s16 d21, d19, d16 \n" + + /* d2 = tmp[0] = a + d + * d3 = tmp[1] = b + c + * d4 = tmp[2] = b - c + * d5 = tmp[3] = a - d + */ + "vqadd.s16 d2, d22, d21 \n" + "vqadd.s16 d3, d23, d20 \n" + "vqsub.s16 d4, d23, d20 \n" + "vqsub.s16 d5, d22, d21 \n" + + "vld1.32 d6[0], [%[dst]], %[kBPS] \n" + "vld1.32 d6[1], [%[dst]], %[kBPS] \n" + "vld1.32 d7[0], [%[dst]], %[kBPS] \n" + "vld1.32 d7[1], [%[dst]], %[kBPS] \n" + + "sub %[dst], %[dst], %[kBPS], lsl #2 \n" + + /* (val) + 4 >> 3 */ + "vrshr.s16 d2, d2, #3 \n" + "vrshr.s16 d3, d3, #3 \n" + "vrshr.s16 d4, d4, #3 \n" + "vrshr.s16 d5, d5, #3 \n" + + "vzip.16 q1, q2 \n" + "vzip.16 q1, q2 \n" + + /* Must accumulate before saturating */ + "vmovl.u8 q8, d6 \n" + "vmovl.u8 q9, d7 \n" + + "vqadd.s16 q1, q1, q8 \n" + "vqadd.s16 q2, q2, q9 \n" + + "vqmovun.s16 d0, q1 \n" + "vqmovun.s16 d1, q2 \n" + + "vst1.32 d0[0], [%[dst]], %[kBPS] \n" + "vst1.32 d0[1], [%[dst]], %[kBPS] \n" + "vst1.32 d1[0], [%[dst]], %[kBPS] \n" + "vst1.32 d1[1], [%[dst]] \n" + + : [in] "+r"(in), [dst] "+r"(dst) /* modified registers */ + : [kBPS] "r"(kBPS), [constants] "r"(constants) /* constants */ + : "memory", "q0", "q1", "q2", "q8", "q9", "q10", "q11" /* clobbered */ + ); +} + +#endif // WEBP_USE_INTRINSICS + +static void TransformTwo_NEON(const int16_t* in, uint8_t* dst, int do_two) { + TransformOne_NEON(in, dst); + if (do_two) { + TransformOne_NEON(in + 16, dst + 4); + } +} + +static void TransformDC_NEON(const int16_t* in, uint8_t* dst) { + const int16x8_t DC = vdupq_n_s16(in[0]); + Add4x4_NEON(DC, DC, dst); +} + +//------------------------------------------------------------------------------ + +#define STORE_WHT(dst, col, rows) do { \ + *dst = vgetq_lane_s32(rows.val[0], col); (dst) += 16; \ + *dst = vgetq_lane_s32(rows.val[1], col); (dst) += 16; \ + *dst = vgetq_lane_s32(rows.val[2], col); (dst) += 16; \ + *dst = vgetq_lane_s32(rows.val[3], col); (dst) += 16; \ +} while (0) + +static void TransformWHT_NEON(const int16_t* in, int16_t* out) { + int32x4x4_t tmp; + + { + // Load the source. + const int16x4_t in00_03 = vld1_s16(in + 0); + const int16x4_t in04_07 = vld1_s16(in + 4); + const int16x4_t in08_11 = vld1_s16(in + 8); + const int16x4_t in12_15 = vld1_s16(in + 12); + const int32x4_t a0 = vaddl_s16(in00_03, in12_15); // in[0..3] + in[12..15] + const int32x4_t a1 = vaddl_s16(in04_07, in08_11); // in[4..7] + in[8..11] + const int32x4_t a2 = vsubl_s16(in04_07, in08_11); // in[4..7] - in[8..11] + const int32x4_t a3 = vsubl_s16(in00_03, in12_15); // in[0..3] - in[12..15] + tmp.val[0] = vaddq_s32(a0, a1); + tmp.val[1] = vaddq_s32(a3, a2); + tmp.val[2] = vsubq_s32(a0, a1); + tmp.val[3] = vsubq_s32(a3, a2); + // Arrange the temporary results column-wise. + tmp = Transpose4x4_NEON(tmp); + } + + { + const int32x4_t kCst3 = vdupq_n_s32(3); + const int32x4_t dc = vaddq_s32(tmp.val[0], kCst3); // add rounder + const int32x4_t a0 = vaddq_s32(dc, tmp.val[3]); + const int32x4_t a1 = vaddq_s32(tmp.val[1], tmp.val[2]); + const int32x4_t a2 = vsubq_s32(tmp.val[1], tmp.val[2]); + const int32x4_t a3 = vsubq_s32(dc, tmp.val[3]); + + tmp.val[0] = vaddq_s32(a0, a1); + tmp.val[1] = vaddq_s32(a3, a2); + tmp.val[2] = vsubq_s32(a0, a1); + tmp.val[3] = vsubq_s32(a3, a2); + + // right shift the results by 3. + tmp.val[0] = vshrq_n_s32(tmp.val[0], 3); + tmp.val[1] = vshrq_n_s32(tmp.val[1], 3); + tmp.val[2] = vshrq_n_s32(tmp.val[2], 3); + tmp.val[3] = vshrq_n_s32(tmp.val[3], 3); + + STORE_WHT(out, 0, tmp); + STORE_WHT(out, 1, tmp); + STORE_WHT(out, 2, tmp); + STORE_WHT(out, 3, tmp); + } +} + +#undef STORE_WHT + +//------------------------------------------------------------------------------ + +#define MUL(a, b) (((a) * (b)) >> 16) +static void TransformAC3_NEON(const int16_t* in, uint8_t* dst) { + static const int kC1_full = 20091 + (1 << 16); + static const int kC2_full = 35468; + const int16x4_t A = vld1_dup_s16(in); + const int16x4_t c4 = vdup_n_s16(MUL(in[4], kC2_full)); + const int16x4_t d4 = vdup_n_s16(MUL(in[4], kC1_full)); + const int c1 = MUL(in[1], kC2_full); + const int d1 = MUL(in[1], kC1_full); + const uint64_t cd = (uint64_t)( d1 & 0xffff) << 0 | + (uint64_t)( c1 & 0xffff) << 16 | + (uint64_t)(-c1 & 0xffff) << 32 | + (uint64_t)(-d1 & 0xffff) << 48; + const int16x4_t CD = vcreate_s16(cd); + const int16x4_t B = vqadd_s16(A, CD); + const int16x8_t m0_m1 = vcombine_s16(vqadd_s16(B, d4), vqadd_s16(B, c4)); + const int16x8_t m2_m3 = vcombine_s16(vqsub_s16(B, c4), vqsub_s16(B, d4)); + Add4x4_NEON(m0_m1, m2_m3, dst); +} +#undef MUL + +//------------------------------------------------------------------------------ +// 4x4 + +static void DC4_NEON(uint8_t* dst) { // DC + const uint8x8_t A = vld1_u8(dst - BPS); // top row + const uint16x4_t p0 = vpaddl_u8(A); // cascading summation of the top + const uint16x4_t p1 = vpadd_u16(p0, p0); + const uint8x8_t L0 = vld1_u8(dst + 0 * BPS - 1); + const uint8x8_t L1 = vld1_u8(dst + 1 * BPS - 1); + const uint8x8_t L2 = vld1_u8(dst + 2 * BPS - 1); + const uint8x8_t L3 = vld1_u8(dst + 3 * BPS - 1); + const uint16x8_t s0 = vaddl_u8(L0, L1); + const uint16x8_t s1 = vaddl_u8(L2, L3); + const uint16x8_t s01 = vaddq_u16(s0, s1); + const uint16x8_t sum = vaddq_u16(s01, vcombine_u16(p1, p1)); + const uint8x8_t dc0 = vrshrn_n_u16(sum, 3); // (sum + 4) >> 3 + const uint8x8_t dc = vdup_lane_u8(dc0, 0); + int i; + for (i = 0; i < 4; ++i) { + vst1_lane_u32((uint32_t*)(dst + i * BPS), vreinterpret_u32_u8(dc), 0); + } +} + +// TrueMotion (4x4 + 8x8) +static WEBP_INLINE void TrueMotion_NEON(uint8_t* dst, int size) { + const uint8x8_t TL = vld1_dup_u8(dst - BPS - 1); // top-left pixel 'A[-1]' + const uint8x8_t T = vld1_u8(dst - BPS); // top row 'A[0..3]' + const int16x8_t d = vreinterpretq_s16_u16(vsubl_u8(T, TL)); // A[c] - A[-1] + int y; + for (y = 0; y < size; y += 4) { + // left edge + const int16x8_t L0 = ConvertU8ToS16_NEON(vld1_dup_u8(dst + 0 * BPS - 1)); + const int16x8_t L1 = ConvertU8ToS16_NEON(vld1_dup_u8(dst + 1 * BPS - 1)); + const int16x8_t L2 = ConvertU8ToS16_NEON(vld1_dup_u8(dst + 2 * BPS - 1)); + const int16x8_t L3 = ConvertU8ToS16_NEON(vld1_dup_u8(dst + 3 * BPS - 1)); + const int16x8_t r0 = vaddq_s16(L0, d); // L[r] + A[c] - A[-1] + const int16x8_t r1 = vaddq_s16(L1, d); + const int16x8_t r2 = vaddq_s16(L2, d); + const int16x8_t r3 = vaddq_s16(L3, d); + // Saturate and store the result. + const uint32x2_t r0_u32 = vreinterpret_u32_u8(vqmovun_s16(r0)); + const uint32x2_t r1_u32 = vreinterpret_u32_u8(vqmovun_s16(r1)); + const uint32x2_t r2_u32 = vreinterpret_u32_u8(vqmovun_s16(r2)); + const uint32x2_t r3_u32 = vreinterpret_u32_u8(vqmovun_s16(r3)); + if (size == 4) { + vst1_lane_u32((uint32_t*)(dst + 0 * BPS), r0_u32, 0); + vst1_lane_u32((uint32_t*)(dst + 1 * BPS), r1_u32, 0); + vst1_lane_u32((uint32_t*)(dst + 2 * BPS), r2_u32, 0); + vst1_lane_u32((uint32_t*)(dst + 3 * BPS), r3_u32, 0); + } else { + vst1_u32((uint32_t*)(dst + 0 * BPS), r0_u32); + vst1_u32((uint32_t*)(dst + 1 * BPS), r1_u32); + vst1_u32((uint32_t*)(dst + 2 * BPS), r2_u32); + vst1_u32((uint32_t*)(dst + 3 * BPS), r3_u32); + } + dst += 4 * BPS; + } +} + +static void TM4_NEON(uint8_t* dst) { TrueMotion_NEON(dst, 4); } + +static void VE4_NEON(uint8_t* dst) { // vertical + // NB: avoid vld1_u64 here as an alignment hint may be added -> SIGBUS. + const uint64x1_t A0 = vreinterpret_u64_u8(vld1_u8(dst - BPS - 1)); // top row + const uint64x1_t A1 = vshr_n_u64(A0, 8); + const uint64x1_t A2 = vshr_n_u64(A0, 16); + const uint8x8_t ABCDEFGH = vreinterpret_u8_u64(A0); + const uint8x8_t BCDEFGH0 = vreinterpret_u8_u64(A1); + const uint8x8_t CDEFGH00 = vreinterpret_u8_u64(A2); + const uint8x8_t b = vhadd_u8(ABCDEFGH, CDEFGH00); + const uint8x8_t avg = vrhadd_u8(b, BCDEFGH0); + int i; + for (i = 0; i < 4; ++i) { + vst1_lane_u32((uint32_t*)(dst + i * BPS), vreinterpret_u32_u8(avg), 0); + } +} + +static void RD4_NEON(uint8_t* dst) { // Down-right + const uint8x8_t XABCD_u8 = vld1_u8(dst - BPS - 1); + const uint64x1_t XABCD = vreinterpret_u64_u8(XABCD_u8); + const uint64x1_t ____XABC = vshl_n_u64(XABCD, 32); + const uint32_t I = dst[-1 + 0 * BPS]; + const uint32_t J = dst[-1 + 1 * BPS]; + const uint32_t K = dst[-1 + 2 * BPS]; + const uint32_t L = dst[-1 + 3 * BPS]; + const uint64x1_t LKJI____ = + vcreate_u64((uint64_t)L | (K << 8) | (J << 16) | (I << 24)); + const uint64x1_t LKJIXABC = vorr_u64(LKJI____, ____XABC); + const uint8x8_t KJIXABC_ = vreinterpret_u8_u64(vshr_n_u64(LKJIXABC, 8)); + const uint8x8_t JIXABC__ = vreinterpret_u8_u64(vshr_n_u64(LKJIXABC, 16)); + const uint8_t D = vget_lane_u8(XABCD_u8, 4); + const uint8x8_t JIXABCD_ = vset_lane_u8(D, JIXABC__, 6); + const uint8x8_t LKJIXABC_u8 = vreinterpret_u8_u64(LKJIXABC); + const uint8x8_t avg1 = vhadd_u8(JIXABCD_, LKJIXABC_u8); + const uint8x8_t avg2 = vrhadd_u8(avg1, KJIXABC_); + const uint64x1_t avg2_u64 = vreinterpret_u64_u8(avg2); + const uint32x2_t r3 = vreinterpret_u32_u8(avg2); + const uint32x2_t r2 = vreinterpret_u32_u64(vshr_n_u64(avg2_u64, 8)); + const uint32x2_t r1 = vreinterpret_u32_u64(vshr_n_u64(avg2_u64, 16)); + const uint32x2_t r0 = vreinterpret_u32_u64(vshr_n_u64(avg2_u64, 24)); + vst1_lane_u32((uint32_t*)(dst + 0 * BPS), r0, 0); + vst1_lane_u32((uint32_t*)(dst + 1 * BPS), r1, 0); + vst1_lane_u32((uint32_t*)(dst + 2 * BPS), r2, 0); + vst1_lane_u32((uint32_t*)(dst + 3 * BPS), r3, 0); +} + +static void LD4_NEON(uint8_t* dst) { // Down-left + // Note using the same shift trick as VE4() is slower here. + const uint8x8_t ABCDEFGH = vld1_u8(dst - BPS + 0); + const uint8x8_t BCDEFGH0 = vld1_u8(dst - BPS + 1); + const uint8x8_t CDEFGH00 = vld1_u8(dst - BPS + 2); + const uint8x8_t CDEFGHH0 = vset_lane_u8(dst[-BPS + 7], CDEFGH00, 6); + const uint8x8_t avg1 = vhadd_u8(ABCDEFGH, CDEFGHH0); + const uint8x8_t avg2 = vrhadd_u8(avg1, BCDEFGH0); + const uint64x1_t avg2_u64 = vreinterpret_u64_u8(avg2); + const uint32x2_t r0 = vreinterpret_u32_u8(avg2); + const uint32x2_t r1 = vreinterpret_u32_u64(vshr_n_u64(avg2_u64, 8)); + const uint32x2_t r2 = vreinterpret_u32_u64(vshr_n_u64(avg2_u64, 16)); + const uint32x2_t r3 = vreinterpret_u32_u64(vshr_n_u64(avg2_u64, 24)); + vst1_lane_u32((uint32_t*)(dst + 0 * BPS), r0, 0); + vst1_lane_u32((uint32_t*)(dst + 1 * BPS), r1, 0); + vst1_lane_u32((uint32_t*)(dst + 2 * BPS), r2, 0); + vst1_lane_u32((uint32_t*)(dst + 3 * BPS), r3, 0); +} + +//------------------------------------------------------------------------------ +// Chroma + +static void VE8uv_NEON(uint8_t* dst) { // vertical + const uint8x8_t top = vld1_u8(dst - BPS); + int j; + for (j = 0; j < 8; ++j) { + vst1_u8(dst + j * BPS, top); + } +} + +static void HE8uv_NEON(uint8_t* dst) { // horizontal + int j; + for (j = 0; j < 8; ++j) { + const uint8x8_t left = vld1_dup_u8(dst - 1); + vst1_u8(dst, left); + dst += BPS; + } +} + +static WEBP_INLINE void DC8_NEON(uint8_t* dst, int do_top, int do_left) { + uint16x8_t sum_top; + uint16x8_t sum_left; + uint8x8_t dc0; + + if (do_top) { + const uint8x8_t A = vld1_u8(dst - BPS); // top row +#if WEBP_AARCH64 + const uint16_t p2 = vaddlv_u8(A); + sum_top = vdupq_n_u16(p2); +#else + const uint16x4_t p0 = vpaddl_u8(A); // cascading summation of the top + const uint16x4_t p1 = vpadd_u16(p0, p0); + const uint16x4_t p2 = vpadd_u16(p1, p1); + sum_top = vcombine_u16(p2, p2); +#endif + } + + if (do_left) { + const uint8x8_t L0 = vld1_u8(dst + 0 * BPS - 1); + const uint8x8_t L1 = vld1_u8(dst + 1 * BPS - 1); + const uint8x8_t L2 = vld1_u8(dst + 2 * BPS - 1); + const uint8x8_t L3 = vld1_u8(dst + 3 * BPS - 1); + const uint8x8_t L4 = vld1_u8(dst + 4 * BPS - 1); + const uint8x8_t L5 = vld1_u8(dst + 5 * BPS - 1); + const uint8x8_t L6 = vld1_u8(dst + 6 * BPS - 1); + const uint8x8_t L7 = vld1_u8(dst + 7 * BPS - 1); + const uint16x8_t s0 = vaddl_u8(L0, L1); + const uint16x8_t s1 = vaddl_u8(L2, L3); + const uint16x8_t s2 = vaddl_u8(L4, L5); + const uint16x8_t s3 = vaddl_u8(L6, L7); + const uint16x8_t s01 = vaddq_u16(s0, s1); + const uint16x8_t s23 = vaddq_u16(s2, s3); + sum_left = vaddq_u16(s01, s23); + } + + if (do_top && do_left) { + const uint16x8_t sum = vaddq_u16(sum_left, sum_top); + dc0 = vrshrn_n_u16(sum, 4); + } else if (do_top) { + dc0 = vrshrn_n_u16(sum_top, 3); + } else if (do_left) { + dc0 = vrshrn_n_u16(sum_left, 3); + } else { + dc0 = vdup_n_u8(0x80); + } + + { + const uint8x8_t dc = vdup_lane_u8(dc0, 0); + int i; + for (i = 0; i < 8; ++i) { + vst1_u32((uint32_t*)(dst + i * BPS), vreinterpret_u32_u8(dc)); + } + } +} + +static void DC8uv_NEON(uint8_t* dst) { DC8_NEON(dst, 1, 1); } +static void DC8uvNoTop_NEON(uint8_t* dst) { DC8_NEON(dst, 0, 1); } +static void DC8uvNoLeft_NEON(uint8_t* dst) { DC8_NEON(dst, 1, 0); } +static void DC8uvNoTopLeft_NEON(uint8_t* dst) { DC8_NEON(dst, 0, 0); } + +static void TM8uv_NEON(uint8_t* dst) { TrueMotion_NEON(dst, 8); } + +//------------------------------------------------------------------------------ +// 16x16 + +static void VE16_NEON(uint8_t* dst) { // vertical + const uint8x16_t top = vld1q_u8(dst - BPS); + int j; + for (j = 0; j < 16; ++j) { + vst1q_u8(dst + j * BPS, top); + } +} + +static void HE16_NEON(uint8_t* dst) { // horizontal + int j; + for (j = 0; j < 16; ++j) { + const uint8x16_t left = vld1q_dup_u8(dst - 1); + vst1q_u8(dst, left); + dst += BPS; + } +} + +static WEBP_INLINE void DC16_NEON(uint8_t* dst, int do_top, int do_left) { + uint16x8_t sum_top; + uint16x8_t sum_left; + uint8x8_t dc0; + + if (do_top) { + const uint8x16_t A = vld1q_u8(dst - BPS); // top row +#if WEBP_AARCH64 + const uint16_t p3 = vaddlvq_u8(A); + sum_top = vdupq_n_u16(p3); +#else + const uint16x8_t p0 = vpaddlq_u8(A); // cascading summation of the top + const uint16x4_t p1 = vadd_u16(vget_low_u16(p0), vget_high_u16(p0)); + const uint16x4_t p2 = vpadd_u16(p1, p1); + const uint16x4_t p3 = vpadd_u16(p2, p2); + sum_top = vcombine_u16(p3, p3); +#endif + } + + if (do_left) { + int i; + sum_left = vdupq_n_u16(0); + for (i = 0; i < 16; i += 8) { + const uint8x8_t L0 = vld1_u8(dst + (i + 0) * BPS - 1); + const uint8x8_t L1 = vld1_u8(dst + (i + 1) * BPS - 1); + const uint8x8_t L2 = vld1_u8(dst + (i + 2) * BPS - 1); + const uint8x8_t L3 = vld1_u8(dst + (i + 3) * BPS - 1); + const uint8x8_t L4 = vld1_u8(dst + (i + 4) * BPS - 1); + const uint8x8_t L5 = vld1_u8(dst + (i + 5) * BPS - 1); + const uint8x8_t L6 = vld1_u8(dst + (i + 6) * BPS - 1); + const uint8x8_t L7 = vld1_u8(dst + (i + 7) * BPS - 1); + const uint16x8_t s0 = vaddl_u8(L0, L1); + const uint16x8_t s1 = vaddl_u8(L2, L3); + const uint16x8_t s2 = vaddl_u8(L4, L5); + const uint16x8_t s3 = vaddl_u8(L6, L7); + const uint16x8_t s01 = vaddq_u16(s0, s1); + const uint16x8_t s23 = vaddq_u16(s2, s3); + const uint16x8_t sum = vaddq_u16(s01, s23); + sum_left = vaddq_u16(sum_left, sum); + } + } + + if (do_top && do_left) { + const uint16x8_t sum = vaddq_u16(sum_left, sum_top); + dc0 = vrshrn_n_u16(sum, 5); + } else if (do_top) { + dc0 = vrshrn_n_u16(sum_top, 4); + } else if (do_left) { + dc0 = vrshrn_n_u16(sum_left, 4); + } else { + dc0 = vdup_n_u8(0x80); + } + + { + const uint8x16_t dc = vdupq_lane_u8(dc0, 0); + int i; + for (i = 0; i < 16; ++i) { + vst1q_u8(dst + i * BPS, dc); + } + } +} + +static void DC16TopLeft_NEON(uint8_t* dst) { DC16_NEON(dst, 1, 1); } +static void DC16NoTop_NEON(uint8_t* dst) { DC16_NEON(dst, 0, 1); } +static void DC16NoLeft_NEON(uint8_t* dst) { DC16_NEON(dst, 1, 0); } +static void DC16NoTopLeft_NEON(uint8_t* dst) { DC16_NEON(dst, 0, 0); } + +static void TM16_NEON(uint8_t* dst) { + const uint8x8_t TL = vld1_dup_u8(dst - BPS - 1); // top-left pixel 'A[-1]' + const uint8x16_t T = vld1q_u8(dst - BPS); // top row 'A[0..15]' + // A[c] - A[-1] + const int16x8_t d_lo = vreinterpretq_s16_u16(vsubl_u8(vget_low_u8(T), TL)); + const int16x8_t d_hi = vreinterpretq_s16_u16(vsubl_u8(vget_high_u8(T), TL)); + int y; + for (y = 0; y < 16; y += 4) { + // left edge + const int16x8_t L0 = ConvertU8ToS16_NEON(vld1_dup_u8(dst + 0 * BPS - 1)); + const int16x8_t L1 = ConvertU8ToS16_NEON(vld1_dup_u8(dst + 1 * BPS - 1)); + const int16x8_t L2 = ConvertU8ToS16_NEON(vld1_dup_u8(dst + 2 * BPS - 1)); + const int16x8_t L3 = ConvertU8ToS16_NEON(vld1_dup_u8(dst + 3 * BPS - 1)); + const int16x8_t r0_lo = vaddq_s16(L0, d_lo); // L[r] + A[c] - A[-1] + const int16x8_t r1_lo = vaddq_s16(L1, d_lo); + const int16x8_t r2_lo = vaddq_s16(L2, d_lo); + const int16x8_t r3_lo = vaddq_s16(L3, d_lo); + const int16x8_t r0_hi = vaddq_s16(L0, d_hi); + const int16x8_t r1_hi = vaddq_s16(L1, d_hi); + const int16x8_t r2_hi = vaddq_s16(L2, d_hi); + const int16x8_t r3_hi = vaddq_s16(L3, d_hi); + // Saturate and store the result. + const uint8x16_t row0 = vcombine_u8(vqmovun_s16(r0_lo), vqmovun_s16(r0_hi)); + const uint8x16_t row1 = vcombine_u8(vqmovun_s16(r1_lo), vqmovun_s16(r1_hi)); + const uint8x16_t row2 = vcombine_u8(vqmovun_s16(r2_lo), vqmovun_s16(r2_hi)); + const uint8x16_t row3 = vcombine_u8(vqmovun_s16(r3_lo), vqmovun_s16(r3_hi)); + vst1q_u8(dst + 0 * BPS, row0); + vst1q_u8(dst + 1 * BPS, row1); + vst1q_u8(dst + 2 * BPS, row2); + vst1q_u8(dst + 3 * BPS, row3); + dst += 4 * BPS; + } +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8DspInitNEON(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitNEON(void) { + VP8Transform = TransformTwo_NEON; + VP8TransformAC3 = TransformAC3_NEON; + VP8TransformDC = TransformDC_NEON; + VP8TransformWHT = TransformWHT_NEON; + + VP8VFilter16 = VFilter16_NEON; + VP8VFilter16i = VFilter16i_NEON; + VP8HFilter16 = HFilter16_NEON; +#if !defined(WORK_AROUND_GCC) + VP8HFilter16i = HFilter16i_NEON; +#endif + VP8VFilter8 = VFilter8_NEON; + VP8VFilter8i = VFilter8i_NEON; +#if !defined(WORK_AROUND_GCC) + VP8HFilter8 = HFilter8_NEON; + VP8HFilter8i = HFilter8i_NEON; +#endif + VP8SimpleVFilter16 = SimpleVFilter16_NEON; + VP8SimpleHFilter16 = SimpleHFilter16_NEON; + VP8SimpleVFilter16i = SimpleVFilter16i_NEON; + VP8SimpleHFilter16i = SimpleHFilter16i_NEON; + + VP8PredLuma4[0] = DC4_NEON; + VP8PredLuma4[1] = TM4_NEON; + VP8PredLuma4[2] = VE4_NEON; + VP8PredLuma4[4] = RD4_NEON; + VP8PredLuma4[6] = LD4_NEON; + + VP8PredLuma16[0] = DC16TopLeft_NEON; + VP8PredLuma16[1] = TM16_NEON; + VP8PredLuma16[2] = VE16_NEON; + VP8PredLuma16[3] = HE16_NEON; + VP8PredLuma16[4] = DC16NoTop_NEON; + VP8PredLuma16[5] = DC16NoLeft_NEON; + VP8PredLuma16[6] = DC16NoTopLeft_NEON; + + VP8PredChroma8[0] = DC8uv_NEON; + VP8PredChroma8[1] = TM8uv_NEON; + VP8PredChroma8[2] = VE8uv_NEON; + VP8PredChroma8[3] = HE8uv_NEON; + VP8PredChroma8[4] = DC8uvNoTop_NEON; + VP8PredChroma8[5] = DC8uvNoLeft_NEON; + VP8PredChroma8[6] = DC8uvNoTopLeft_NEON; +} + +#else // !WEBP_USE_NEON + +WEBP_DSP_INIT_STUB(VP8DspInitNEON) + +#endif // WEBP_USE_NEON diff --git a/ProductApp/Pods/libwebp/src/dsp/dec_sse2.c b/ProductApp/Pods/libwebp/src/dsp/dec_sse2.c new file mode 100644 index 0000000..01e6bcb --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/dec_sse2.c @@ -0,0 +1,1228 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// SSE2 version of some decoding functions (idct, loop filtering). +// +// Author: somnath@google.com (Somnath Banerjee) +// cduvivier@google.com (Christian Duvivier) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_SSE2) + +// The 3-coeff sparse transform in SSE2 is not really faster than the plain-C +// one it seems => disable it by default. Uncomment the following to enable: +#if !defined(USE_TRANSFORM_AC3) +#define USE_TRANSFORM_AC3 0 // ALTERNATE_CODE +#endif + +#include +#include "src/dsp/common_sse2.h" +#include "src/dec/vp8i_dec.h" +#include "src/utils/utils.h" + +//------------------------------------------------------------------------------ +// Transforms (Paragraph 14.4) + +static void Transform_SSE2(const int16_t* in, uint8_t* dst, int do_two) { + // This implementation makes use of 16-bit fixed point versions of two + // multiply constants: + // K1 = sqrt(2) * cos (pi/8) ~= 85627 / 2^16 + // K2 = sqrt(2) * sin (pi/8) ~= 35468 / 2^16 + // + // To be able to use signed 16-bit integers, we use the following trick to + // have constants within range: + // - Associated constants are obtained by subtracting the 16-bit fixed point + // version of one: + // k = K - (1 << 16) => K = k + (1 << 16) + // K1 = 85267 => k1 = 20091 + // K2 = 35468 => k2 = -30068 + // - The multiplication of a variable by a constant become the sum of the + // variable and the multiplication of that variable by the associated + // constant: + // (x * K) >> 16 = (x * (k + (1 << 16))) >> 16 = ((x * k ) >> 16) + x + const __m128i k1 = _mm_set1_epi16(20091); + const __m128i k2 = _mm_set1_epi16(-30068); + __m128i T0, T1, T2, T3; + + // Load and concatenate the transform coefficients (we'll do two transforms + // in parallel). In the case of only one transform, the second half of the + // vectors will just contain random value we'll never use nor store. + __m128i in0, in1, in2, in3; + { + in0 = _mm_loadl_epi64((const __m128i*)&in[0]); + in1 = _mm_loadl_epi64((const __m128i*)&in[4]); + in2 = _mm_loadl_epi64((const __m128i*)&in[8]); + in3 = _mm_loadl_epi64((const __m128i*)&in[12]); + // a00 a10 a20 a30 x x x x + // a01 a11 a21 a31 x x x x + // a02 a12 a22 a32 x x x x + // a03 a13 a23 a33 x x x x + if (do_two) { + const __m128i inB0 = _mm_loadl_epi64((const __m128i*)&in[16]); + const __m128i inB1 = _mm_loadl_epi64((const __m128i*)&in[20]); + const __m128i inB2 = _mm_loadl_epi64((const __m128i*)&in[24]); + const __m128i inB3 = _mm_loadl_epi64((const __m128i*)&in[28]); + in0 = _mm_unpacklo_epi64(in0, inB0); + in1 = _mm_unpacklo_epi64(in1, inB1); + in2 = _mm_unpacklo_epi64(in2, inB2); + in3 = _mm_unpacklo_epi64(in3, inB3); + // a00 a10 a20 a30 b00 b10 b20 b30 + // a01 a11 a21 a31 b01 b11 b21 b31 + // a02 a12 a22 a32 b02 b12 b22 b32 + // a03 a13 a23 a33 b03 b13 b23 b33 + } + } + + // Vertical pass and subsequent transpose. + { + // First pass, c and d calculations are longer because of the "trick" + // multiplications. + const __m128i a = _mm_add_epi16(in0, in2); + const __m128i b = _mm_sub_epi16(in0, in2); + // c = MUL(in1, K2) - MUL(in3, K1) = MUL(in1, k2) - MUL(in3, k1) + in1 - in3 + const __m128i c1 = _mm_mulhi_epi16(in1, k2); + const __m128i c2 = _mm_mulhi_epi16(in3, k1); + const __m128i c3 = _mm_sub_epi16(in1, in3); + const __m128i c4 = _mm_sub_epi16(c1, c2); + const __m128i c = _mm_add_epi16(c3, c4); + // d = MUL(in1, K1) + MUL(in3, K2) = MUL(in1, k1) + MUL(in3, k2) + in1 + in3 + const __m128i d1 = _mm_mulhi_epi16(in1, k1); + const __m128i d2 = _mm_mulhi_epi16(in3, k2); + const __m128i d3 = _mm_add_epi16(in1, in3); + const __m128i d4 = _mm_add_epi16(d1, d2); + const __m128i d = _mm_add_epi16(d3, d4); + + // Second pass. + const __m128i tmp0 = _mm_add_epi16(a, d); + const __m128i tmp1 = _mm_add_epi16(b, c); + const __m128i tmp2 = _mm_sub_epi16(b, c); + const __m128i tmp3 = _mm_sub_epi16(a, d); + + // Transpose the two 4x4. + VP8Transpose_2_4x4_16b(&tmp0, &tmp1, &tmp2, &tmp3, &T0, &T1, &T2, &T3); + } + + // Horizontal pass and subsequent transpose. + { + // First pass, c and d calculations are longer because of the "trick" + // multiplications. + const __m128i four = _mm_set1_epi16(4); + const __m128i dc = _mm_add_epi16(T0, four); + const __m128i a = _mm_add_epi16(dc, T2); + const __m128i b = _mm_sub_epi16(dc, T2); + // c = MUL(T1, K2) - MUL(T3, K1) = MUL(T1, k2) - MUL(T3, k1) + T1 - T3 + const __m128i c1 = _mm_mulhi_epi16(T1, k2); + const __m128i c2 = _mm_mulhi_epi16(T3, k1); + const __m128i c3 = _mm_sub_epi16(T1, T3); + const __m128i c4 = _mm_sub_epi16(c1, c2); + const __m128i c = _mm_add_epi16(c3, c4); + // d = MUL(T1, K1) + MUL(T3, K2) = MUL(T1, k1) + MUL(T3, k2) + T1 + T3 + const __m128i d1 = _mm_mulhi_epi16(T1, k1); + const __m128i d2 = _mm_mulhi_epi16(T3, k2); + const __m128i d3 = _mm_add_epi16(T1, T3); + const __m128i d4 = _mm_add_epi16(d1, d2); + const __m128i d = _mm_add_epi16(d3, d4); + + // Second pass. + const __m128i tmp0 = _mm_add_epi16(a, d); + const __m128i tmp1 = _mm_add_epi16(b, c); + const __m128i tmp2 = _mm_sub_epi16(b, c); + const __m128i tmp3 = _mm_sub_epi16(a, d); + const __m128i shifted0 = _mm_srai_epi16(tmp0, 3); + const __m128i shifted1 = _mm_srai_epi16(tmp1, 3); + const __m128i shifted2 = _mm_srai_epi16(tmp2, 3); + const __m128i shifted3 = _mm_srai_epi16(tmp3, 3); + + // Transpose the two 4x4. + VP8Transpose_2_4x4_16b(&shifted0, &shifted1, &shifted2, &shifted3, &T0, &T1, + &T2, &T3); + } + + // Add inverse transform to 'dst' and store. + { + const __m128i zero = _mm_setzero_si128(); + // Load the reference(s). + __m128i dst0, dst1, dst2, dst3; + if (do_two) { + // Load eight bytes/pixels per line. + dst0 = _mm_loadl_epi64((__m128i*)(dst + 0 * BPS)); + dst1 = _mm_loadl_epi64((__m128i*)(dst + 1 * BPS)); + dst2 = _mm_loadl_epi64((__m128i*)(dst + 2 * BPS)); + dst3 = _mm_loadl_epi64((__m128i*)(dst + 3 * BPS)); + } else { + // Load four bytes/pixels per line. + dst0 = _mm_cvtsi32_si128(WebPMemToInt32(dst + 0 * BPS)); + dst1 = _mm_cvtsi32_si128(WebPMemToInt32(dst + 1 * BPS)); + dst2 = _mm_cvtsi32_si128(WebPMemToInt32(dst + 2 * BPS)); + dst3 = _mm_cvtsi32_si128(WebPMemToInt32(dst + 3 * BPS)); + } + // Convert to 16b. + dst0 = _mm_unpacklo_epi8(dst0, zero); + dst1 = _mm_unpacklo_epi8(dst1, zero); + dst2 = _mm_unpacklo_epi8(dst2, zero); + dst3 = _mm_unpacklo_epi8(dst3, zero); + // Add the inverse transform(s). + dst0 = _mm_add_epi16(dst0, T0); + dst1 = _mm_add_epi16(dst1, T1); + dst2 = _mm_add_epi16(dst2, T2); + dst3 = _mm_add_epi16(dst3, T3); + // Unsigned saturate to 8b. + dst0 = _mm_packus_epi16(dst0, dst0); + dst1 = _mm_packus_epi16(dst1, dst1); + dst2 = _mm_packus_epi16(dst2, dst2); + dst3 = _mm_packus_epi16(dst3, dst3); + // Store the results. + if (do_two) { + // Store eight bytes/pixels per line. + _mm_storel_epi64((__m128i*)(dst + 0 * BPS), dst0); + _mm_storel_epi64((__m128i*)(dst + 1 * BPS), dst1); + _mm_storel_epi64((__m128i*)(dst + 2 * BPS), dst2); + _mm_storel_epi64((__m128i*)(dst + 3 * BPS), dst3); + } else { + // Store four bytes/pixels per line. + WebPInt32ToMem(dst + 0 * BPS, _mm_cvtsi128_si32(dst0)); + WebPInt32ToMem(dst + 1 * BPS, _mm_cvtsi128_si32(dst1)); + WebPInt32ToMem(dst + 2 * BPS, _mm_cvtsi128_si32(dst2)); + WebPInt32ToMem(dst + 3 * BPS, _mm_cvtsi128_si32(dst3)); + } + } +} + +#if (USE_TRANSFORM_AC3 == 1) +#define MUL(a, b) (((a) * (b)) >> 16) +static void TransformAC3(const int16_t* in, uint8_t* dst) { + static const int kC1 = 20091 + (1 << 16); + static const int kC2 = 35468; + const __m128i A = _mm_set1_epi16(in[0] + 4); + const __m128i c4 = _mm_set1_epi16(MUL(in[4], kC2)); + const __m128i d4 = _mm_set1_epi16(MUL(in[4], kC1)); + const int c1 = MUL(in[1], kC2); + const int d1 = MUL(in[1], kC1); + const __m128i CD = _mm_set_epi16(0, 0, 0, 0, -d1, -c1, c1, d1); + const __m128i B = _mm_adds_epi16(A, CD); + const __m128i m0 = _mm_adds_epi16(B, d4); + const __m128i m1 = _mm_adds_epi16(B, c4); + const __m128i m2 = _mm_subs_epi16(B, c4); + const __m128i m3 = _mm_subs_epi16(B, d4); + const __m128i zero = _mm_setzero_si128(); + // Load the source pixels. + __m128i dst0 = _mm_cvtsi32_si128(WebPMemToInt32(dst + 0 * BPS)); + __m128i dst1 = _mm_cvtsi32_si128(WebPMemToInt32(dst + 1 * BPS)); + __m128i dst2 = _mm_cvtsi32_si128(WebPMemToInt32(dst + 2 * BPS)); + __m128i dst3 = _mm_cvtsi32_si128(WebPMemToInt32(dst + 3 * BPS)); + // Convert to 16b. + dst0 = _mm_unpacklo_epi8(dst0, zero); + dst1 = _mm_unpacklo_epi8(dst1, zero); + dst2 = _mm_unpacklo_epi8(dst2, zero); + dst3 = _mm_unpacklo_epi8(dst3, zero); + // Add the inverse transform. + dst0 = _mm_adds_epi16(dst0, _mm_srai_epi16(m0, 3)); + dst1 = _mm_adds_epi16(dst1, _mm_srai_epi16(m1, 3)); + dst2 = _mm_adds_epi16(dst2, _mm_srai_epi16(m2, 3)); + dst3 = _mm_adds_epi16(dst3, _mm_srai_epi16(m3, 3)); + // Unsigned saturate to 8b. + dst0 = _mm_packus_epi16(dst0, dst0); + dst1 = _mm_packus_epi16(dst1, dst1); + dst2 = _mm_packus_epi16(dst2, dst2); + dst3 = _mm_packus_epi16(dst3, dst3); + // Store the results. + WebPInt32ToMem(dst + 0 * BPS, _mm_cvtsi128_si32(dst0)); + WebPInt32ToMem(dst + 1 * BPS, _mm_cvtsi128_si32(dst1)); + WebPInt32ToMem(dst + 2 * BPS, _mm_cvtsi128_si32(dst2)); + WebPInt32ToMem(dst + 3 * BPS, _mm_cvtsi128_si32(dst3)); +} +#undef MUL +#endif // USE_TRANSFORM_AC3 + +//------------------------------------------------------------------------------ +// Loop Filter (Paragraph 15) + +// Compute abs(p - q) = subs(p - q) OR subs(q - p) +#define MM_ABS(p, q) _mm_or_si128( \ + _mm_subs_epu8((q), (p)), \ + _mm_subs_epu8((p), (q))) + +// Shift each byte of "x" by 3 bits while preserving by the sign bit. +static WEBP_INLINE void SignedShift8b_SSE2(__m128i* const x) { + const __m128i zero = _mm_setzero_si128(); + const __m128i lo_0 = _mm_unpacklo_epi8(zero, *x); + const __m128i hi_0 = _mm_unpackhi_epi8(zero, *x); + const __m128i lo_1 = _mm_srai_epi16(lo_0, 3 + 8); + const __m128i hi_1 = _mm_srai_epi16(hi_0, 3 + 8); + *x = _mm_packs_epi16(lo_1, hi_1); +} + +#define FLIP_SIGN_BIT2(a, b) { \ + (a) = _mm_xor_si128(a, sign_bit); \ + (b) = _mm_xor_si128(b, sign_bit); \ +} + +#define FLIP_SIGN_BIT4(a, b, c, d) { \ + FLIP_SIGN_BIT2(a, b); \ + FLIP_SIGN_BIT2(c, d); \ +} + +// input/output is uint8_t +static WEBP_INLINE void GetNotHEV_SSE2(const __m128i* const p1, + const __m128i* const p0, + const __m128i* const q0, + const __m128i* const q1, + int hev_thresh, __m128i* const not_hev) { + const __m128i zero = _mm_setzero_si128(); + const __m128i t_1 = MM_ABS(*p1, *p0); + const __m128i t_2 = MM_ABS(*q1, *q0); + + const __m128i h = _mm_set1_epi8(hev_thresh); + const __m128i t_max = _mm_max_epu8(t_1, t_2); + + const __m128i t_max_h = _mm_subs_epu8(t_max, h); + *not_hev = _mm_cmpeq_epi8(t_max_h, zero); // not_hev <= t1 && not_hev <= t2 +} + +// input pixels are int8_t +static WEBP_INLINE void GetBaseDelta_SSE2(const __m128i* const p1, + const __m128i* const p0, + const __m128i* const q0, + const __m128i* const q1, + __m128i* const delta) { + // beware of addition order, for saturation! + const __m128i p1_q1 = _mm_subs_epi8(*p1, *q1); // p1 - q1 + const __m128i q0_p0 = _mm_subs_epi8(*q0, *p0); // q0 - p0 + const __m128i s1 = _mm_adds_epi8(p1_q1, q0_p0); // p1 - q1 + 1 * (q0 - p0) + const __m128i s2 = _mm_adds_epi8(q0_p0, s1); // p1 - q1 + 2 * (q0 - p0) + const __m128i s3 = _mm_adds_epi8(q0_p0, s2); // p1 - q1 + 3 * (q0 - p0) + *delta = s3; +} + +// input and output are int8_t +static WEBP_INLINE void DoSimpleFilter_SSE2(__m128i* const p0, + __m128i* const q0, + const __m128i* const fl) { + const __m128i k3 = _mm_set1_epi8(3); + const __m128i k4 = _mm_set1_epi8(4); + __m128i v3 = _mm_adds_epi8(*fl, k3); + __m128i v4 = _mm_adds_epi8(*fl, k4); + + SignedShift8b_SSE2(&v4); // v4 >> 3 + SignedShift8b_SSE2(&v3); // v3 >> 3 + *q0 = _mm_subs_epi8(*q0, v4); // q0 -= v4 + *p0 = _mm_adds_epi8(*p0, v3); // p0 += v3 +} + +// Updates values of 2 pixels at MB edge during complex filtering. +// Update operations: +// q = q - delta and p = p + delta; where delta = [(a_hi >> 7), (a_lo >> 7)] +// Pixels 'pi' and 'qi' are int8_t on input, uint8_t on output (sign flip). +static WEBP_INLINE void Update2Pixels_SSE2(__m128i* const pi, __m128i* const qi, + const __m128i* const a0_lo, + const __m128i* const a0_hi) { + const __m128i a1_lo = _mm_srai_epi16(*a0_lo, 7); + const __m128i a1_hi = _mm_srai_epi16(*a0_hi, 7); + const __m128i delta = _mm_packs_epi16(a1_lo, a1_hi); + const __m128i sign_bit = _mm_set1_epi8((char)0x80); + *pi = _mm_adds_epi8(*pi, delta); + *qi = _mm_subs_epi8(*qi, delta); + FLIP_SIGN_BIT2(*pi, *qi); +} + +// input pixels are uint8_t +static WEBP_INLINE void NeedsFilter_SSE2(const __m128i* const p1, + const __m128i* const p0, + const __m128i* const q0, + const __m128i* const q1, + int thresh, __m128i* const mask) { + const __m128i m_thresh = _mm_set1_epi8((char)thresh); + const __m128i t1 = MM_ABS(*p1, *q1); // abs(p1 - q1) + const __m128i kFE = _mm_set1_epi8((char)0xFE); + const __m128i t2 = _mm_and_si128(t1, kFE); // set lsb of each byte to zero + const __m128i t3 = _mm_srli_epi16(t2, 1); // abs(p1 - q1) / 2 + + const __m128i t4 = MM_ABS(*p0, *q0); // abs(p0 - q0) + const __m128i t5 = _mm_adds_epu8(t4, t4); // abs(p0 - q0) * 2 + const __m128i t6 = _mm_adds_epu8(t5, t3); // abs(p0-q0)*2 + abs(p1-q1)/2 + + const __m128i t7 = _mm_subs_epu8(t6, m_thresh); // mask <= m_thresh + *mask = _mm_cmpeq_epi8(t7, _mm_setzero_si128()); +} + +//------------------------------------------------------------------------------ +// Edge filtering functions + +// Applies filter on 2 pixels (p0 and q0) +static WEBP_INLINE void DoFilter2_SSE2(__m128i* const p1, __m128i* const p0, + __m128i* const q0, __m128i* const q1, + int thresh) { + __m128i a, mask; + const __m128i sign_bit = _mm_set1_epi8((char)0x80); + // convert p1/q1 to int8_t (for GetBaseDelta_SSE2) + const __m128i p1s = _mm_xor_si128(*p1, sign_bit); + const __m128i q1s = _mm_xor_si128(*q1, sign_bit); + + NeedsFilter_SSE2(p1, p0, q0, q1, thresh, &mask); + + FLIP_SIGN_BIT2(*p0, *q0); + GetBaseDelta_SSE2(&p1s, p0, q0, &q1s, &a); + a = _mm_and_si128(a, mask); // mask filter values we don't care about + DoSimpleFilter_SSE2(p0, q0, &a); + FLIP_SIGN_BIT2(*p0, *q0); +} + +// Applies filter on 4 pixels (p1, p0, q0 and q1) +static WEBP_INLINE void DoFilter4_SSE2(__m128i* const p1, __m128i* const p0, + __m128i* const q0, __m128i* const q1, + const __m128i* const mask, + int hev_thresh) { + const __m128i zero = _mm_setzero_si128(); + const __m128i sign_bit = _mm_set1_epi8((char)0x80); + const __m128i k64 = _mm_set1_epi8(64); + const __m128i k3 = _mm_set1_epi8(3); + const __m128i k4 = _mm_set1_epi8(4); + __m128i not_hev; + __m128i t1, t2, t3; + + // compute hev mask + GetNotHEV_SSE2(p1, p0, q0, q1, hev_thresh, ¬_hev); + + // convert to signed values + FLIP_SIGN_BIT4(*p1, *p0, *q0, *q1); + + t1 = _mm_subs_epi8(*p1, *q1); // p1 - q1 + t1 = _mm_andnot_si128(not_hev, t1); // hev(p1 - q1) + t2 = _mm_subs_epi8(*q0, *p0); // q0 - p0 + t1 = _mm_adds_epi8(t1, t2); // hev(p1 - q1) + 1 * (q0 - p0) + t1 = _mm_adds_epi8(t1, t2); // hev(p1 - q1) + 2 * (q0 - p0) + t1 = _mm_adds_epi8(t1, t2); // hev(p1 - q1) + 3 * (q0 - p0) + t1 = _mm_and_si128(t1, *mask); // mask filter values we don't care about + + t2 = _mm_adds_epi8(t1, k3); // 3 * (q0 - p0) + hev(p1 - q1) + 3 + t3 = _mm_adds_epi8(t1, k4); // 3 * (q0 - p0) + hev(p1 - q1) + 4 + SignedShift8b_SSE2(&t2); // (3 * (q0 - p0) + hev(p1 - q1) + 3) >> 3 + SignedShift8b_SSE2(&t3); // (3 * (q0 - p0) + hev(p1 - q1) + 4) >> 3 + *p0 = _mm_adds_epi8(*p0, t2); // p0 += t2 + *q0 = _mm_subs_epi8(*q0, t3); // q0 -= t3 + FLIP_SIGN_BIT2(*p0, *q0); + + // this is equivalent to signed (a + 1) >> 1 calculation + t2 = _mm_add_epi8(t3, sign_bit); + t3 = _mm_avg_epu8(t2, zero); + t3 = _mm_sub_epi8(t3, k64); + + t3 = _mm_and_si128(not_hev, t3); // if !hev + *q1 = _mm_subs_epi8(*q1, t3); // q1 -= t3 + *p1 = _mm_adds_epi8(*p1, t3); // p1 += t3 + FLIP_SIGN_BIT2(*p1, *q1); +} + +// Applies filter on 6 pixels (p2, p1, p0, q0, q1 and q2) +static WEBP_INLINE void DoFilter6_SSE2(__m128i* const p2, __m128i* const p1, + __m128i* const p0, __m128i* const q0, + __m128i* const q1, __m128i* const q2, + const __m128i* const mask, + int hev_thresh) { + const __m128i zero = _mm_setzero_si128(); + const __m128i sign_bit = _mm_set1_epi8((char)0x80); + __m128i a, not_hev; + + // compute hev mask + GetNotHEV_SSE2(p1, p0, q0, q1, hev_thresh, ¬_hev); + + FLIP_SIGN_BIT4(*p1, *p0, *q0, *q1); + FLIP_SIGN_BIT2(*p2, *q2); + GetBaseDelta_SSE2(p1, p0, q0, q1, &a); + + { // do simple filter on pixels with hev + const __m128i m = _mm_andnot_si128(not_hev, *mask); + const __m128i f = _mm_and_si128(a, m); + DoSimpleFilter_SSE2(p0, q0, &f); + } + + { // do strong filter on pixels with not hev + const __m128i k9 = _mm_set1_epi16(0x0900); + const __m128i k63 = _mm_set1_epi16(63); + + const __m128i m = _mm_and_si128(not_hev, *mask); + const __m128i f = _mm_and_si128(a, m); + + const __m128i f_lo = _mm_unpacklo_epi8(zero, f); + const __m128i f_hi = _mm_unpackhi_epi8(zero, f); + + const __m128i f9_lo = _mm_mulhi_epi16(f_lo, k9); // Filter (lo) * 9 + const __m128i f9_hi = _mm_mulhi_epi16(f_hi, k9); // Filter (hi) * 9 + + const __m128i a2_lo = _mm_add_epi16(f9_lo, k63); // Filter * 9 + 63 + const __m128i a2_hi = _mm_add_epi16(f9_hi, k63); // Filter * 9 + 63 + + const __m128i a1_lo = _mm_add_epi16(a2_lo, f9_lo); // Filter * 18 + 63 + const __m128i a1_hi = _mm_add_epi16(a2_hi, f9_hi); // Filter * 18 + 63 + + const __m128i a0_lo = _mm_add_epi16(a1_lo, f9_lo); // Filter * 27 + 63 + const __m128i a0_hi = _mm_add_epi16(a1_hi, f9_hi); // Filter * 27 + 63 + + Update2Pixels_SSE2(p2, q2, &a2_lo, &a2_hi); + Update2Pixels_SSE2(p1, q1, &a1_lo, &a1_hi); + Update2Pixels_SSE2(p0, q0, &a0_lo, &a0_hi); + } +} + +// reads 8 rows across a vertical edge. +static WEBP_INLINE void Load8x4_SSE2(const uint8_t* const b, int stride, + __m128i* const p, __m128i* const q) { + // A0 = 63 62 61 60 23 22 21 20 43 42 41 40 03 02 01 00 + // A1 = 73 72 71 70 33 32 31 30 53 52 51 50 13 12 11 10 + const __m128i A0 = _mm_set_epi32( + WebPMemToInt32(&b[6 * stride]), WebPMemToInt32(&b[2 * stride]), + WebPMemToInt32(&b[4 * stride]), WebPMemToInt32(&b[0 * stride])); + const __m128i A1 = _mm_set_epi32( + WebPMemToInt32(&b[7 * stride]), WebPMemToInt32(&b[3 * stride]), + WebPMemToInt32(&b[5 * stride]), WebPMemToInt32(&b[1 * stride])); + + // B0 = 53 43 52 42 51 41 50 40 13 03 12 02 11 01 10 00 + // B1 = 73 63 72 62 71 61 70 60 33 23 32 22 31 21 30 20 + const __m128i B0 = _mm_unpacklo_epi8(A0, A1); + const __m128i B1 = _mm_unpackhi_epi8(A0, A1); + + // C0 = 33 23 13 03 32 22 12 02 31 21 11 01 30 20 10 00 + // C1 = 73 63 53 43 72 62 52 42 71 61 51 41 70 60 50 40 + const __m128i C0 = _mm_unpacklo_epi16(B0, B1); + const __m128i C1 = _mm_unpackhi_epi16(B0, B1); + + // *p = 71 61 51 41 31 21 11 01 70 60 50 40 30 20 10 00 + // *q = 73 63 53 43 33 23 13 03 72 62 52 42 32 22 12 02 + *p = _mm_unpacklo_epi32(C0, C1); + *q = _mm_unpackhi_epi32(C0, C1); +} + +static WEBP_INLINE void Load16x4_SSE2(const uint8_t* const r0, + const uint8_t* const r8, + int stride, + __m128i* const p1, __m128i* const p0, + __m128i* const q0, __m128i* const q1) { + // Assume the pixels around the edge (|) are numbered as follows + // 00 01 | 02 03 + // 10 11 | 12 13 + // ... | ... + // e0 e1 | e2 e3 + // f0 f1 | f2 f3 + // + // r0 is pointing to the 0th row (00) + // r8 is pointing to the 8th row (80) + + // Load + // p1 = 71 61 51 41 31 21 11 01 70 60 50 40 30 20 10 00 + // q0 = 73 63 53 43 33 23 13 03 72 62 52 42 32 22 12 02 + // p0 = f1 e1 d1 c1 b1 a1 91 81 f0 e0 d0 c0 b0 a0 90 80 + // q1 = f3 e3 d3 c3 b3 a3 93 83 f2 e2 d2 c2 b2 a2 92 82 + Load8x4_SSE2(r0, stride, p1, q0); + Load8x4_SSE2(r8, stride, p0, q1); + + { + // p1 = f0 e0 d0 c0 b0 a0 90 80 70 60 50 40 30 20 10 00 + // p0 = f1 e1 d1 c1 b1 a1 91 81 71 61 51 41 31 21 11 01 + // q0 = f2 e2 d2 c2 b2 a2 92 82 72 62 52 42 32 22 12 02 + // q1 = f3 e3 d3 c3 b3 a3 93 83 73 63 53 43 33 23 13 03 + const __m128i t1 = *p1; + const __m128i t2 = *q0; + *p1 = _mm_unpacklo_epi64(t1, *p0); + *p0 = _mm_unpackhi_epi64(t1, *p0); + *q0 = _mm_unpacklo_epi64(t2, *q1); + *q1 = _mm_unpackhi_epi64(t2, *q1); + } +} + +static WEBP_INLINE void Store4x4_SSE2(__m128i* const x, + uint8_t* dst, int stride) { + int i; + for (i = 0; i < 4; ++i, dst += stride) { + WebPInt32ToMem(dst, _mm_cvtsi128_si32(*x)); + *x = _mm_srli_si128(*x, 4); + } +} + +// Transpose back and store +static WEBP_INLINE void Store16x4_SSE2(const __m128i* const p1, + const __m128i* const p0, + const __m128i* const q0, + const __m128i* const q1, + uint8_t* r0, uint8_t* r8, + int stride) { + __m128i t1, p1_s, p0_s, q0_s, q1_s; + + // p0 = 71 70 61 60 51 50 41 40 31 30 21 20 11 10 01 00 + // p1 = f1 f0 e1 e0 d1 d0 c1 c0 b1 b0 a1 a0 91 90 81 80 + t1 = *p0; + p0_s = _mm_unpacklo_epi8(*p1, t1); + p1_s = _mm_unpackhi_epi8(*p1, t1); + + // q0 = 73 72 63 62 53 52 43 42 33 32 23 22 13 12 03 02 + // q1 = f3 f2 e3 e2 d3 d2 c3 c2 b3 b2 a3 a2 93 92 83 82 + t1 = *q0; + q0_s = _mm_unpacklo_epi8(t1, *q1); + q1_s = _mm_unpackhi_epi8(t1, *q1); + + // p0 = 33 32 31 30 23 22 21 20 13 12 11 10 03 02 01 00 + // q0 = 73 72 71 70 63 62 61 60 53 52 51 50 43 42 41 40 + t1 = p0_s; + p0_s = _mm_unpacklo_epi16(t1, q0_s); + q0_s = _mm_unpackhi_epi16(t1, q0_s); + + // p1 = b3 b2 b1 b0 a3 a2 a1 a0 93 92 91 90 83 82 81 80 + // q1 = f3 f2 f1 f0 e3 e2 e1 e0 d3 d2 d1 d0 c3 c2 c1 c0 + t1 = p1_s; + p1_s = _mm_unpacklo_epi16(t1, q1_s); + q1_s = _mm_unpackhi_epi16(t1, q1_s); + + Store4x4_SSE2(&p0_s, r0, stride); + r0 += 4 * stride; + Store4x4_SSE2(&q0_s, r0, stride); + + Store4x4_SSE2(&p1_s, r8, stride); + r8 += 4 * stride; + Store4x4_SSE2(&q1_s, r8, stride); +} + +//------------------------------------------------------------------------------ +// Simple In-loop filtering (Paragraph 15.2) + +static void SimpleVFilter16_SSE2(uint8_t* p, int stride, int thresh) { + // Load + __m128i p1 = _mm_loadu_si128((__m128i*)&p[-2 * stride]); + __m128i p0 = _mm_loadu_si128((__m128i*)&p[-stride]); + __m128i q0 = _mm_loadu_si128((__m128i*)&p[0]); + __m128i q1 = _mm_loadu_si128((__m128i*)&p[stride]); + + DoFilter2_SSE2(&p1, &p0, &q0, &q1, thresh); + + // Store + _mm_storeu_si128((__m128i*)&p[-stride], p0); + _mm_storeu_si128((__m128i*)&p[0], q0); +} + +static void SimpleHFilter16_SSE2(uint8_t* p, int stride, int thresh) { + __m128i p1, p0, q0, q1; + + p -= 2; // beginning of p1 + + Load16x4_SSE2(p, p + 8 * stride, stride, &p1, &p0, &q0, &q1); + DoFilter2_SSE2(&p1, &p0, &q0, &q1, thresh); + Store16x4_SSE2(&p1, &p0, &q0, &q1, p, p + 8 * stride, stride); +} + +static void SimpleVFilter16i_SSE2(uint8_t* p, int stride, int thresh) { + int k; + for (k = 3; k > 0; --k) { + p += 4 * stride; + SimpleVFilter16_SSE2(p, stride, thresh); + } +} + +static void SimpleHFilter16i_SSE2(uint8_t* p, int stride, int thresh) { + int k; + for (k = 3; k > 0; --k) { + p += 4; + SimpleHFilter16_SSE2(p, stride, thresh); + } +} + +//------------------------------------------------------------------------------ +// Complex In-loop filtering (Paragraph 15.3) + +#define MAX_DIFF1(p3, p2, p1, p0, m) do { \ + (m) = MM_ABS(p1, p0); \ + (m) = _mm_max_epu8(m, MM_ABS(p3, p2)); \ + (m) = _mm_max_epu8(m, MM_ABS(p2, p1)); \ +} while (0) + +#define MAX_DIFF2(p3, p2, p1, p0, m) do { \ + (m) = _mm_max_epu8(m, MM_ABS(p1, p0)); \ + (m) = _mm_max_epu8(m, MM_ABS(p3, p2)); \ + (m) = _mm_max_epu8(m, MM_ABS(p2, p1)); \ +} while (0) + +#define LOAD_H_EDGES4(p, stride, e1, e2, e3, e4) { \ + (e1) = _mm_loadu_si128((__m128i*)&(p)[0 * (stride)]); \ + (e2) = _mm_loadu_si128((__m128i*)&(p)[1 * (stride)]); \ + (e3) = _mm_loadu_si128((__m128i*)&(p)[2 * (stride)]); \ + (e4) = _mm_loadu_si128((__m128i*)&(p)[3 * (stride)]); \ +} + +#define LOADUV_H_EDGE(p, u, v, stride) do { \ + const __m128i U = _mm_loadl_epi64((__m128i*)&(u)[(stride)]); \ + const __m128i V = _mm_loadl_epi64((__m128i*)&(v)[(stride)]); \ + (p) = _mm_unpacklo_epi64(U, V); \ +} while (0) + +#define LOADUV_H_EDGES4(u, v, stride, e1, e2, e3, e4) { \ + LOADUV_H_EDGE(e1, u, v, 0 * (stride)); \ + LOADUV_H_EDGE(e2, u, v, 1 * (stride)); \ + LOADUV_H_EDGE(e3, u, v, 2 * (stride)); \ + LOADUV_H_EDGE(e4, u, v, 3 * (stride)); \ +} + +#define STOREUV(p, u, v, stride) { \ + _mm_storel_epi64((__m128i*)&(u)[(stride)], p); \ + (p) = _mm_srli_si128(p, 8); \ + _mm_storel_epi64((__m128i*)&(v)[(stride)], p); \ +} + +static WEBP_INLINE void ComplexMask_SSE2(const __m128i* const p1, + const __m128i* const p0, + const __m128i* const q0, + const __m128i* const q1, + int thresh, int ithresh, + __m128i* const mask) { + const __m128i it = _mm_set1_epi8(ithresh); + const __m128i diff = _mm_subs_epu8(*mask, it); + const __m128i thresh_mask = _mm_cmpeq_epi8(diff, _mm_setzero_si128()); + __m128i filter_mask; + NeedsFilter_SSE2(p1, p0, q0, q1, thresh, &filter_mask); + *mask = _mm_and_si128(thresh_mask, filter_mask); +} + +// on macroblock edges +static void VFilter16_SSE2(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + __m128i t1; + __m128i mask; + __m128i p2, p1, p0, q0, q1, q2; + + // Load p3, p2, p1, p0 + LOAD_H_EDGES4(p - 4 * stride, stride, t1, p2, p1, p0); + MAX_DIFF1(t1, p2, p1, p0, mask); + + // Load q0, q1, q2, q3 + LOAD_H_EDGES4(p, stride, q0, q1, q2, t1); + MAX_DIFF2(t1, q2, q1, q0, mask); + + ComplexMask_SSE2(&p1, &p0, &q0, &q1, thresh, ithresh, &mask); + DoFilter6_SSE2(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh); + + // Store + _mm_storeu_si128((__m128i*)&p[-3 * stride], p2); + _mm_storeu_si128((__m128i*)&p[-2 * stride], p1); + _mm_storeu_si128((__m128i*)&p[-1 * stride], p0); + _mm_storeu_si128((__m128i*)&p[+0 * stride], q0); + _mm_storeu_si128((__m128i*)&p[+1 * stride], q1); + _mm_storeu_si128((__m128i*)&p[+2 * stride], q2); +} + +static void HFilter16_SSE2(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + __m128i mask; + __m128i p3, p2, p1, p0, q0, q1, q2, q3; + + uint8_t* const b = p - 4; + Load16x4_SSE2(b, b + 8 * stride, stride, &p3, &p2, &p1, &p0); + MAX_DIFF1(p3, p2, p1, p0, mask); + + Load16x4_SSE2(p, p + 8 * stride, stride, &q0, &q1, &q2, &q3); + MAX_DIFF2(q3, q2, q1, q0, mask); + + ComplexMask_SSE2(&p1, &p0, &q0, &q1, thresh, ithresh, &mask); + DoFilter6_SSE2(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh); + + Store16x4_SSE2(&p3, &p2, &p1, &p0, b, b + 8 * stride, stride); + Store16x4_SSE2(&q0, &q1, &q2, &q3, p, p + 8 * stride, stride); +} + +// on three inner edges +static void VFilter16i_SSE2(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + int k; + __m128i p3, p2, p1, p0; // loop invariants + + LOAD_H_EDGES4(p, stride, p3, p2, p1, p0); // prologue + + for (k = 3; k > 0; --k) { + __m128i mask, tmp1, tmp2; + uint8_t* const b = p + 2 * stride; // beginning of p1 + p += 4 * stride; + + MAX_DIFF1(p3, p2, p1, p0, mask); // compute partial mask + LOAD_H_EDGES4(p, stride, p3, p2, tmp1, tmp2); + MAX_DIFF2(p3, p2, tmp1, tmp2, mask); + + // p3 and p2 are not just temporary variables here: they will be + // re-used for next span. And q2/q3 will become p1/p0 accordingly. + ComplexMask_SSE2(&p1, &p0, &p3, &p2, thresh, ithresh, &mask); + DoFilter4_SSE2(&p1, &p0, &p3, &p2, &mask, hev_thresh); + + // Store + _mm_storeu_si128((__m128i*)&b[0 * stride], p1); + _mm_storeu_si128((__m128i*)&b[1 * stride], p0); + _mm_storeu_si128((__m128i*)&b[2 * stride], p3); + _mm_storeu_si128((__m128i*)&b[3 * stride], p2); + + // rotate samples + p1 = tmp1; + p0 = tmp2; + } +} + +static void HFilter16i_SSE2(uint8_t* p, int stride, + int thresh, int ithresh, int hev_thresh) { + int k; + __m128i p3, p2, p1, p0; // loop invariants + + Load16x4_SSE2(p, p + 8 * stride, stride, &p3, &p2, &p1, &p0); // prologue + + for (k = 3; k > 0; --k) { + __m128i mask, tmp1, tmp2; + uint8_t* const b = p + 2; // beginning of p1 + + p += 4; // beginning of q0 (and next span) + + MAX_DIFF1(p3, p2, p1, p0, mask); // compute partial mask + Load16x4_SSE2(p, p + 8 * stride, stride, &p3, &p2, &tmp1, &tmp2); + MAX_DIFF2(p3, p2, tmp1, tmp2, mask); + + ComplexMask_SSE2(&p1, &p0, &p3, &p2, thresh, ithresh, &mask); + DoFilter4_SSE2(&p1, &p0, &p3, &p2, &mask, hev_thresh); + + Store16x4_SSE2(&p1, &p0, &p3, &p2, b, b + 8 * stride, stride); + + // rotate samples + p1 = tmp1; + p0 = tmp2; + } +} + +// 8-pixels wide variant, for chroma filtering +static void VFilter8_SSE2(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + __m128i mask; + __m128i t1, p2, p1, p0, q0, q1, q2; + + // Load p3, p2, p1, p0 + LOADUV_H_EDGES4(u - 4 * stride, v - 4 * stride, stride, t1, p2, p1, p0); + MAX_DIFF1(t1, p2, p1, p0, mask); + + // Load q0, q1, q2, q3 + LOADUV_H_EDGES4(u, v, stride, q0, q1, q2, t1); + MAX_DIFF2(t1, q2, q1, q0, mask); + + ComplexMask_SSE2(&p1, &p0, &q0, &q1, thresh, ithresh, &mask); + DoFilter6_SSE2(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh); + + // Store + STOREUV(p2, u, v, -3 * stride); + STOREUV(p1, u, v, -2 * stride); + STOREUV(p0, u, v, -1 * stride); + STOREUV(q0, u, v, 0 * stride); + STOREUV(q1, u, v, 1 * stride); + STOREUV(q2, u, v, 2 * stride); +} + +static void HFilter8_SSE2(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + __m128i mask; + __m128i p3, p2, p1, p0, q0, q1, q2, q3; + + uint8_t* const tu = u - 4; + uint8_t* const tv = v - 4; + Load16x4_SSE2(tu, tv, stride, &p3, &p2, &p1, &p0); + MAX_DIFF1(p3, p2, p1, p0, mask); + + Load16x4_SSE2(u, v, stride, &q0, &q1, &q2, &q3); + MAX_DIFF2(q3, q2, q1, q0, mask); + + ComplexMask_SSE2(&p1, &p0, &q0, &q1, thresh, ithresh, &mask); + DoFilter6_SSE2(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh); + + Store16x4_SSE2(&p3, &p2, &p1, &p0, tu, tv, stride); + Store16x4_SSE2(&q0, &q1, &q2, &q3, u, v, stride); +} + +static void VFilter8i_SSE2(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + __m128i mask; + __m128i t1, t2, p1, p0, q0, q1; + + // Load p3, p2, p1, p0 + LOADUV_H_EDGES4(u, v, stride, t2, t1, p1, p0); + MAX_DIFF1(t2, t1, p1, p0, mask); + + u += 4 * stride; + v += 4 * stride; + + // Load q0, q1, q2, q3 + LOADUV_H_EDGES4(u, v, stride, q0, q1, t1, t2); + MAX_DIFF2(t2, t1, q1, q0, mask); + + ComplexMask_SSE2(&p1, &p0, &q0, &q1, thresh, ithresh, &mask); + DoFilter4_SSE2(&p1, &p0, &q0, &q1, &mask, hev_thresh); + + // Store + STOREUV(p1, u, v, -2 * stride); + STOREUV(p0, u, v, -1 * stride); + STOREUV(q0, u, v, 0 * stride); + STOREUV(q1, u, v, 1 * stride); +} + +static void HFilter8i_SSE2(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_thresh) { + __m128i mask; + __m128i t1, t2, p1, p0, q0, q1; + Load16x4_SSE2(u, v, stride, &t2, &t1, &p1, &p0); // p3, p2, p1, p0 + MAX_DIFF1(t2, t1, p1, p0, mask); + + u += 4; // beginning of q0 + v += 4; + Load16x4_SSE2(u, v, stride, &q0, &q1, &t1, &t2); // q0, q1, q2, q3 + MAX_DIFF2(t2, t1, q1, q0, mask); + + ComplexMask_SSE2(&p1, &p0, &q0, &q1, thresh, ithresh, &mask); + DoFilter4_SSE2(&p1, &p0, &q0, &q1, &mask, hev_thresh); + + u -= 2; // beginning of p1 + v -= 2; + Store16x4_SSE2(&p1, &p0, &q0, &q1, u, v, stride); +} + +//------------------------------------------------------------------------------ +// 4x4 predictions + +#define DST(x, y) dst[(x) + (y) * BPS] +#define AVG3(a, b, c) (((a) + 2 * (b) + (c) + 2) >> 2) + +// We use the following 8b-arithmetic tricks: +// (a + 2 * b + c + 2) >> 2 = (AC + b + 1) >> 1 +// where: AC = (a + c) >> 1 = [(a + c + 1) >> 1] - [(a^c) & 1] +// and: +// (a + 2 * b + c + 2) >> 2 = (AB + BC + 1) >> 1 - (ab|bc)&lsb +// where: AC = (a + b + 1) >> 1, BC = (b + c + 1) >> 1 +// and ab = a ^ b, bc = b ^ c, lsb = (AC^BC)&1 + +static void VE4_SSE2(uint8_t* dst) { // vertical + const __m128i one = _mm_set1_epi8(1); + const __m128i ABCDEFGH = _mm_loadl_epi64((__m128i*)(dst - BPS - 1)); + const __m128i BCDEFGH0 = _mm_srli_si128(ABCDEFGH, 1); + const __m128i CDEFGH00 = _mm_srli_si128(ABCDEFGH, 2); + const __m128i a = _mm_avg_epu8(ABCDEFGH, CDEFGH00); + const __m128i lsb = _mm_and_si128(_mm_xor_si128(ABCDEFGH, CDEFGH00), one); + const __m128i b = _mm_subs_epu8(a, lsb); + const __m128i avg = _mm_avg_epu8(b, BCDEFGH0); + const int vals = _mm_cvtsi128_si32(avg); + int i; + for (i = 0; i < 4; ++i) { + WebPInt32ToMem(dst + i * BPS, vals); + } +} + +static void LD4_SSE2(uint8_t* dst) { // Down-Left + const __m128i one = _mm_set1_epi8(1); + const __m128i ABCDEFGH = _mm_loadl_epi64((__m128i*)(dst - BPS)); + const __m128i BCDEFGH0 = _mm_srli_si128(ABCDEFGH, 1); + const __m128i CDEFGH00 = _mm_srli_si128(ABCDEFGH, 2); + const __m128i CDEFGHH0 = _mm_insert_epi16(CDEFGH00, dst[-BPS + 7], 3); + const __m128i avg1 = _mm_avg_epu8(ABCDEFGH, CDEFGHH0); + const __m128i lsb = _mm_and_si128(_mm_xor_si128(ABCDEFGH, CDEFGHH0), one); + const __m128i avg2 = _mm_subs_epu8(avg1, lsb); + const __m128i abcdefg = _mm_avg_epu8(avg2, BCDEFGH0); + WebPInt32ToMem(dst + 0 * BPS, _mm_cvtsi128_si32( abcdefg )); + WebPInt32ToMem(dst + 1 * BPS, _mm_cvtsi128_si32(_mm_srli_si128(abcdefg, 1))); + WebPInt32ToMem(dst + 2 * BPS, _mm_cvtsi128_si32(_mm_srli_si128(abcdefg, 2))); + WebPInt32ToMem(dst + 3 * BPS, _mm_cvtsi128_si32(_mm_srli_si128(abcdefg, 3))); +} + +static void VR4_SSE2(uint8_t* dst) { // Vertical-Right + const __m128i one = _mm_set1_epi8(1); + const int I = dst[-1 + 0 * BPS]; + const int J = dst[-1 + 1 * BPS]; + const int K = dst[-1 + 2 * BPS]; + const int X = dst[-1 - BPS]; + const __m128i XABCD = _mm_loadl_epi64((__m128i*)(dst - BPS - 1)); + const __m128i ABCD0 = _mm_srli_si128(XABCD, 1); + const __m128i abcd = _mm_avg_epu8(XABCD, ABCD0); + const __m128i _XABCD = _mm_slli_si128(XABCD, 1); + const __m128i IXABCD = _mm_insert_epi16(_XABCD, (short)(I | (X << 8)), 0); + const __m128i avg1 = _mm_avg_epu8(IXABCD, ABCD0); + const __m128i lsb = _mm_and_si128(_mm_xor_si128(IXABCD, ABCD0), one); + const __m128i avg2 = _mm_subs_epu8(avg1, lsb); + const __m128i efgh = _mm_avg_epu8(avg2, XABCD); + WebPInt32ToMem(dst + 0 * BPS, _mm_cvtsi128_si32( abcd )); + WebPInt32ToMem(dst + 1 * BPS, _mm_cvtsi128_si32( efgh )); + WebPInt32ToMem(dst + 2 * BPS, _mm_cvtsi128_si32(_mm_slli_si128(abcd, 1))); + WebPInt32ToMem(dst + 3 * BPS, _mm_cvtsi128_si32(_mm_slli_si128(efgh, 1))); + + // these two are hard to implement in SSE2, so we keep the C-version: + DST(0, 2) = AVG3(J, I, X); + DST(0, 3) = AVG3(K, J, I); +} + +static void VL4_SSE2(uint8_t* dst) { // Vertical-Left + const __m128i one = _mm_set1_epi8(1); + const __m128i ABCDEFGH = _mm_loadl_epi64((__m128i*)(dst - BPS)); + const __m128i BCDEFGH_ = _mm_srli_si128(ABCDEFGH, 1); + const __m128i CDEFGH__ = _mm_srli_si128(ABCDEFGH, 2); + const __m128i avg1 = _mm_avg_epu8(ABCDEFGH, BCDEFGH_); + const __m128i avg2 = _mm_avg_epu8(CDEFGH__, BCDEFGH_); + const __m128i avg3 = _mm_avg_epu8(avg1, avg2); + const __m128i lsb1 = _mm_and_si128(_mm_xor_si128(avg1, avg2), one); + const __m128i ab = _mm_xor_si128(ABCDEFGH, BCDEFGH_); + const __m128i bc = _mm_xor_si128(CDEFGH__, BCDEFGH_); + const __m128i abbc = _mm_or_si128(ab, bc); + const __m128i lsb2 = _mm_and_si128(abbc, lsb1); + const __m128i avg4 = _mm_subs_epu8(avg3, lsb2); + const uint32_t extra_out = + (uint32_t)_mm_cvtsi128_si32(_mm_srli_si128(avg4, 4)); + WebPInt32ToMem(dst + 0 * BPS, _mm_cvtsi128_si32( avg1 )); + WebPInt32ToMem(dst + 1 * BPS, _mm_cvtsi128_si32( avg4 )); + WebPInt32ToMem(dst + 2 * BPS, _mm_cvtsi128_si32(_mm_srli_si128(avg1, 1))); + WebPInt32ToMem(dst + 3 * BPS, _mm_cvtsi128_si32(_mm_srli_si128(avg4, 1))); + + // these two are hard to get and irregular + DST(3, 2) = (extra_out >> 0) & 0xff; + DST(3, 3) = (extra_out >> 8) & 0xff; +} + +static void RD4_SSE2(uint8_t* dst) { // Down-right + const __m128i one = _mm_set1_epi8(1); + const __m128i XABCD = _mm_loadl_epi64((__m128i*)(dst - BPS - 1)); + const __m128i ____XABCD = _mm_slli_si128(XABCD, 4); + const uint32_t I = dst[-1 + 0 * BPS]; + const uint32_t J = dst[-1 + 1 * BPS]; + const uint32_t K = dst[-1 + 2 * BPS]; + const uint32_t L = dst[-1 + 3 * BPS]; + const __m128i LKJI_____ = + _mm_cvtsi32_si128((int)(L | (K << 8) | (J << 16) | (I << 24))); + const __m128i LKJIXABCD = _mm_or_si128(LKJI_____, ____XABCD); + const __m128i KJIXABCD_ = _mm_srli_si128(LKJIXABCD, 1); + const __m128i JIXABCD__ = _mm_srli_si128(LKJIXABCD, 2); + const __m128i avg1 = _mm_avg_epu8(JIXABCD__, LKJIXABCD); + const __m128i lsb = _mm_and_si128(_mm_xor_si128(JIXABCD__, LKJIXABCD), one); + const __m128i avg2 = _mm_subs_epu8(avg1, lsb); + const __m128i abcdefg = _mm_avg_epu8(avg2, KJIXABCD_); + WebPInt32ToMem(dst + 3 * BPS, _mm_cvtsi128_si32( abcdefg )); + WebPInt32ToMem(dst + 2 * BPS, _mm_cvtsi128_si32(_mm_srli_si128(abcdefg, 1))); + WebPInt32ToMem(dst + 1 * BPS, _mm_cvtsi128_si32(_mm_srli_si128(abcdefg, 2))); + WebPInt32ToMem(dst + 0 * BPS, _mm_cvtsi128_si32(_mm_srli_si128(abcdefg, 3))); +} + +#undef DST +#undef AVG3 + +//------------------------------------------------------------------------------ +// Luma 16x16 + +static WEBP_INLINE void TrueMotion_SSE2(uint8_t* dst, int size) { + const uint8_t* top = dst - BPS; + const __m128i zero = _mm_setzero_si128(); + int y; + if (size == 4) { + const __m128i top_values = _mm_cvtsi32_si128(WebPMemToInt32(top)); + const __m128i top_base = _mm_unpacklo_epi8(top_values, zero); + for (y = 0; y < 4; ++y, dst += BPS) { + const int val = dst[-1] - top[-1]; + const __m128i base = _mm_set1_epi16(val); + const __m128i out = _mm_packus_epi16(_mm_add_epi16(base, top_base), zero); + WebPInt32ToMem(dst, _mm_cvtsi128_si32(out)); + } + } else if (size == 8) { + const __m128i top_values = _mm_loadl_epi64((const __m128i*)top); + const __m128i top_base = _mm_unpacklo_epi8(top_values, zero); + for (y = 0; y < 8; ++y, dst += BPS) { + const int val = dst[-1] - top[-1]; + const __m128i base = _mm_set1_epi16(val); + const __m128i out = _mm_packus_epi16(_mm_add_epi16(base, top_base), zero); + _mm_storel_epi64((__m128i*)dst, out); + } + } else { + const __m128i top_values = _mm_loadu_si128((const __m128i*)top); + const __m128i top_base_0 = _mm_unpacklo_epi8(top_values, zero); + const __m128i top_base_1 = _mm_unpackhi_epi8(top_values, zero); + for (y = 0; y < 16; ++y, dst += BPS) { + const int val = dst[-1] - top[-1]; + const __m128i base = _mm_set1_epi16(val); + const __m128i out_0 = _mm_add_epi16(base, top_base_0); + const __m128i out_1 = _mm_add_epi16(base, top_base_1); + const __m128i out = _mm_packus_epi16(out_0, out_1); + _mm_storeu_si128((__m128i*)dst, out); + } + } +} + +static void TM4_SSE2(uint8_t* dst) { TrueMotion_SSE2(dst, 4); } +static void TM8uv_SSE2(uint8_t* dst) { TrueMotion_SSE2(dst, 8); } +static void TM16_SSE2(uint8_t* dst) { TrueMotion_SSE2(dst, 16); } + +static void VE16_SSE2(uint8_t* dst) { + const __m128i top = _mm_loadu_si128((const __m128i*)(dst - BPS)); + int j; + for (j = 0; j < 16; ++j) { + _mm_storeu_si128((__m128i*)(dst + j * BPS), top); + } +} + +static void HE16_SSE2(uint8_t* dst) { // horizontal + int j; + for (j = 16; j > 0; --j) { + const __m128i values = _mm_set1_epi8((char)dst[-1]); + _mm_storeu_si128((__m128i*)dst, values); + dst += BPS; + } +} + +static WEBP_INLINE void Put16_SSE2(uint8_t v, uint8_t* dst) { + int j; + const __m128i values = _mm_set1_epi8((char)v); + for (j = 0; j < 16; ++j) { + _mm_storeu_si128((__m128i*)(dst + j * BPS), values); + } +} + +static void DC16_SSE2(uint8_t* dst) { // DC + const __m128i zero = _mm_setzero_si128(); + const __m128i top = _mm_loadu_si128((const __m128i*)(dst - BPS)); + const __m128i sad8x2 = _mm_sad_epu8(top, zero); + // sum the two sads: sad8x2[0:1] + sad8x2[8:9] + const __m128i sum = _mm_add_epi16(sad8x2, _mm_shuffle_epi32(sad8x2, 2)); + int left = 0; + int j; + for (j = 0; j < 16; ++j) { + left += dst[-1 + j * BPS]; + } + { + const int DC = _mm_cvtsi128_si32(sum) + left + 16; + Put16_SSE2(DC >> 5, dst); + } +} + +static void DC16NoTop_SSE2(uint8_t* dst) { // DC with top samples unavailable + int DC = 8; + int j; + for (j = 0; j < 16; ++j) { + DC += dst[-1 + j * BPS]; + } + Put16_SSE2(DC >> 4, dst); +} + +static void DC16NoLeft_SSE2(uint8_t* dst) { // DC with left samples unavailable + const __m128i zero = _mm_setzero_si128(); + const __m128i top = _mm_loadu_si128((const __m128i*)(dst - BPS)); + const __m128i sad8x2 = _mm_sad_epu8(top, zero); + // sum the two sads: sad8x2[0:1] + sad8x2[8:9] + const __m128i sum = _mm_add_epi16(sad8x2, _mm_shuffle_epi32(sad8x2, 2)); + const int DC = _mm_cvtsi128_si32(sum) + 8; + Put16_SSE2(DC >> 4, dst); +} + +static void DC16NoTopLeft_SSE2(uint8_t* dst) { // DC with no top & left samples + Put16_SSE2(0x80, dst); +} + +//------------------------------------------------------------------------------ +// Chroma + +static void VE8uv_SSE2(uint8_t* dst) { // vertical + int j; + const __m128i top = _mm_loadl_epi64((const __m128i*)(dst - BPS)); + for (j = 0; j < 8; ++j) { + _mm_storel_epi64((__m128i*)(dst + j * BPS), top); + } +} + +// helper for chroma-DC predictions +static WEBP_INLINE void Put8x8uv_SSE2(uint8_t v, uint8_t* dst) { + int j; + const __m128i values = _mm_set1_epi8((char)v); + for (j = 0; j < 8; ++j) { + _mm_storel_epi64((__m128i*)(dst + j * BPS), values); + } +} + +static void DC8uv_SSE2(uint8_t* dst) { // DC + const __m128i zero = _mm_setzero_si128(); + const __m128i top = _mm_loadl_epi64((const __m128i*)(dst - BPS)); + const __m128i sum = _mm_sad_epu8(top, zero); + int left = 0; + int j; + for (j = 0; j < 8; ++j) { + left += dst[-1 + j * BPS]; + } + { + const int DC = _mm_cvtsi128_si32(sum) + left + 8; + Put8x8uv_SSE2(DC >> 4, dst); + } +} + +static void DC8uvNoLeft_SSE2(uint8_t* dst) { // DC with no left samples + const __m128i zero = _mm_setzero_si128(); + const __m128i top = _mm_loadl_epi64((const __m128i*)(dst - BPS)); + const __m128i sum = _mm_sad_epu8(top, zero); + const int DC = _mm_cvtsi128_si32(sum) + 4; + Put8x8uv_SSE2(DC >> 3, dst); +} + +static void DC8uvNoTop_SSE2(uint8_t* dst) { // DC with no top samples + int dc0 = 4; + int i; + for (i = 0; i < 8; ++i) { + dc0 += dst[-1 + i * BPS]; + } + Put8x8uv_SSE2(dc0 >> 3, dst); +} + +static void DC8uvNoTopLeft_SSE2(uint8_t* dst) { // DC with nothing + Put8x8uv_SSE2(0x80, dst); +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8DspInitSSE2(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitSSE2(void) { + VP8Transform = Transform_SSE2; +#if (USE_TRANSFORM_AC3 == 1) + VP8TransformAC3 = TransformAC3_SSE2; +#endif + + VP8VFilter16 = VFilter16_SSE2; + VP8HFilter16 = HFilter16_SSE2; + VP8VFilter8 = VFilter8_SSE2; + VP8HFilter8 = HFilter8_SSE2; + VP8VFilter16i = VFilter16i_SSE2; + VP8HFilter16i = HFilter16i_SSE2; + VP8VFilter8i = VFilter8i_SSE2; + VP8HFilter8i = HFilter8i_SSE2; + + VP8SimpleVFilter16 = SimpleVFilter16_SSE2; + VP8SimpleHFilter16 = SimpleHFilter16_SSE2; + VP8SimpleVFilter16i = SimpleVFilter16i_SSE2; + VP8SimpleHFilter16i = SimpleHFilter16i_SSE2; + + VP8PredLuma4[1] = TM4_SSE2; + VP8PredLuma4[2] = VE4_SSE2; + VP8PredLuma4[4] = RD4_SSE2; + VP8PredLuma4[5] = VR4_SSE2; + VP8PredLuma4[6] = LD4_SSE2; + VP8PredLuma4[7] = VL4_SSE2; + + VP8PredLuma16[0] = DC16_SSE2; + VP8PredLuma16[1] = TM16_SSE2; + VP8PredLuma16[2] = VE16_SSE2; + VP8PredLuma16[3] = HE16_SSE2; + VP8PredLuma16[4] = DC16NoTop_SSE2; + VP8PredLuma16[5] = DC16NoLeft_SSE2; + VP8PredLuma16[6] = DC16NoTopLeft_SSE2; + + VP8PredChroma8[0] = DC8uv_SSE2; + VP8PredChroma8[1] = TM8uv_SSE2; + VP8PredChroma8[2] = VE8uv_SSE2; + VP8PredChroma8[4] = DC8uvNoTop_SSE2; + VP8PredChroma8[5] = DC8uvNoLeft_SSE2; + VP8PredChroma8[6] = DC8uvNoTopLeft_SSE2; +} + +#else // !WEBP_USE_SSE2 + +WEBP_DSP_INIT_STUB(VP8DspInitSSE2) + +#endif // WEBP_USE_SSE2 diff --git a/ProductApp/Pods/libwebp/src/dsp/dec_sse41.c b/ProductApp/Pods/libwebp/src/dsp/dec_sse41.c new file mode 100644 index 0000000..08a3630 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/dec_sse41.c @@ -0,0 +1,46 @@ +// Copyright 2015 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// SSE4 version of some decoding functions. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_SSE41) + +#include +#include "src/dec/vp8i_dec.h" +#include "src/utils/utils.h" + +static void HE16_SSE41(uint8_t* dst) { // horizontal + int j; + const __m128i kShuffle3 = _mm_set1_epi8(3); + for (j = 16; j > 0; --j) { + const __m128i in = _mm_cvtsi32_si128(WebPMemToInt32(dst - 4)); + const __m128i values = _mm_shuffle_epi8(in, kShuffle3); + _mm_storeu_si128((__m128i*)dst, values); + dst += BPS; + } +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8DspInitSSE41(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitSSE41(void) { + VP8PredLuma16[3] = HE16_SSE41; +} + +#else // !WEBP_USE_SSE41 + +WEBP_DSP_INIT_STUB(VP8DspInitSSE41) + +#endif // WEBP_USE_SSE41 diff --git a/ProductApp/Pods/libwebp/src/dsp/dsp.h b/ProductApp/Pods/libwebp/src/dsp/dsp.h new file mode 100644 index 0000000..d2000b8 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/dsp.h @@ -0,0 +1,504 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Speed-critical functions. +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_DSP_DSP_H_ +#define WEBP_DSP_DSP_H_ + +#ifdef HAVE_CONFIG_H +#include "src/webp/config.h" +#endif + +#include "src/dsp/cpu.h" +#include "src/webp/types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define BPS 32 // this is the common stride for enc/dec + +//------------------------------------------------------------------------------ +// WEBP_RESTRICT + +// Declares a pointer with the restrict type qualifier if available. +// This allows code to hint to the compiler that only this pointer references a +// particular object or memory region within the scope of the block in which it +// is declared. This may allow for improved optimizations due to the lack of +// pointer aliasing. See also: +// https://en.cppreference.com/w/c/language/restrict +#if defined(__GNUC__) +#define WEBP_RESTRICT __restrict__ +#elif defined(_MSC_VER) +#define WEBP_RESTRICT __restrict +#else +#define WEBP_RESTRICT +#endif + + +//------------------------------------------------------------------------------ +// Init stub generator + +// Defines an init function stub to ensure each module exposes a symbol, +// avoiding a compiler warning. +#define WEBP_DSP_INIT_STUB(func) \ + extern void func(void); \ + void func(void) {} + +//------------------------------------------------------------------------------ +// Encoding + +// Transforms +// VP8Idct: Does one of two inverse transforms. If do_two is set, the transforms +// will be done for (ref, in, dst) and (ref + 4, in + 16, dst + 4). +typedef void (*VP8Idct)(const uint8_t* ref, const int16_t* in, uint8_t* dst, + int do_two); +typedef void (*VP8Fdct)(const uint8_t* src, const uint8_t* ref, int16_t* out); +typedef void (*VP8WHT)(const int16_t* in, int16_t* out); +extern VP8Idct VP8ITransform; +extern VP8Fdct VP8FTransform; +extern VP8Fdct VP8FTransform2; // performs two transforms at a time +extern VP8WHT VP8FTransformWHT; +// Predictions +// *dst is the destination block. *top and *left can be NULL. +typedef void (*VP8IntraPreds)(uint8_t* dst, const uint8_t* left, + const uint8_t* top); +typedef void (*VP8Intra4Preds)(uint8_t* dst, const uint8_t* top); +extern VP8Intra4Preds VP8EncPredLuma4; +extern VP8IntraPreds VP8EncPredLuma16; +extern VP8IntraPreds VP8EncPredChroma8; + +typedef int (*VP8Metric)(const uint8_t* pix, const uint8_t* ref); +extern VP8Metric VP8SSE16x16, VP8SSE16x8, VP8SSE8x8, VP8SSE4x4; +typedef int (*VP8WMetric)(const uint8_t* pix, const uint8_t* ref, + const uint16_t* const weights); +// The weights for VP8TDisto4x4 and VP8TDisto16x16 contain a row-major +// 4 by 4 symmetric matrix. +extern VP8WMetric VP8TDisto4x4, VP8TDisto16x16; + +// Compute the average (DC) of four 4x4 blocks. +// Each sub-4x4 block #i sum is stored in dc[i]. +typedef void (*VP8MeanMetric)(const uint8_t* ref, uint32_t dc[4]); +extern VP8MeanMetric VP8Mean16x4; + +typedef void (*VP8BlockCopy)(const uint8_t* src, uint8_t* dst); +extern VP8BlockCopy VP8Copy4x4; +extern VP8BlockCopy VP8Copy16x8; +// Quantization +struct VP8Matrix; // forward declaration +typedef int (*VP8QuantizeBlock)(int16_t in[16], int16_t out[16], + const struct VP8Matrix* const mtx); +// Same as VP8QuantizeBlock, but quantizes two consecutive blocks. +typedef int (*VP8Quantize2Blocks)(int16_t in[32], int16_t out[32], + const struct VP8Matrix* const mtx); + +extern VP8QuantizeBlock VP8EncQuantizeBlock; +extern VP8Quantize2Blocks VP8EncQuantize2Blocks; + +// specific to 2nd transform: +typedef int (*VP8QuantizeBlockWHT)(int16_t in[16], int16_t out[16], + const struct VP8Matrix* const mtx); +extern VP8QuantizeBlockWHT VP8EncQuantizeBlockWHT; + +extern const int VP8DspScan[16 + 4 + 4]; + +// Collect histogram for susceptibility calculation. +#define MAX_COEFF_THRESH 31 // size of histogram used by CollectHistogram. +typedef struct { + // We only need to store max_value and last_non_zero, not the distribution. + int max_value; + int last_non_zero; +} VP8Histogram; +typedef void (*VP8CHisto)(const uint8_t* ref, const uint8_t* pred, + int start_block, int end_block, + VP8Histogram* const histo); +extern VP8CHisto VP8CollectHistogram; +// General-purpose util function to help VP8CollectHistogram(). +void VP8SetHistogramData(const int distribution[MAX_COEFF_THRESH + 1], + VP8Histogram* const histo); + +// must be called before using any of the above +void VP8EncDspInit(void); + +//------------------------------------------------------------------------------ +// cost functions (encoding) + +extern const uint16_t VP8EntropyCost[256]; // 8bit fixed-point log(p) +// approximate cost per level: +extern const uint16_t VP8LevelFixedCosts[2047 /*MAX_LEVEL*/ + 1]; +extern const uint8_t VP8EncBands[16 + 1]; + +struct VP8Residual; +typedef void (*VP8SetResidualCoeffsFunc)(const int16_t* const coeffs, + struct VP8Residual* const res); +extern VP8SetResidualCoeffsFunc VP8SetResidualCoeffs; + +// Cost calculation function. +typedef int (*VP8GetResidualCostFunc)(int ctx0, + const struct VP8Residual* const res); +extern VP8GetResidualCostFunc VP8GetResidualCost; + +// must be called before anything using the above +void VP8EncDspCostInit(void); + +//------------------------------------------------------------------------------ +// SSIM / PSNR utils + +// struct for accumulating statistical moments +typedef struct { + uint32_t w; // sum(w_i) : sum of weights + uint32_t xm, ym; // sum(w_i * x_i), sum(w_i * y_i) + uint32_t xxm, xym, yym; // sum(w_i * x_i * x_i), etc. +} VP8DistoStats; + +// Compute the final SSIM value +// The non-clipped version assumes stats->w = (2 * VP8_SSIM_KERNEL + 1)^2. +double VP8SSIMFromStats(const VP8DistoStats* const stats); +double VP8SSIMFromStatsClipped(const VP8DistoStats* const stats); + +#define VP8_SSIM_KERNEL 3 // total size of the kernel: 2 * VP8_SSIM_KERNEL + 1 +typedef double (*VP8SSIMGetClippedFunc)(const uint8_t* src1, int stride1, + const uint8_t* src2, int stride2, + int xo, int yo, // center position + int W, int H); // plane dimension + +#if !defined(WEBP_REDUCE_SIZE) +// This version is called with the guarantee that you can load 8 bytes and +// 8 rows at offset src1 and src2 +typedef double (*VP8SSIMGetFunc)(const uint8_t* src1, int stride1, + const uint8_t* src2, int stride2); + +extern VP8SSIMGetFunc VP8SSIMGet; // unclipped / unchecked +extern VP8SSIMGetClippedFunc VP8SSIMGetClipped; // with clipping +#endif + +#if !defined(WEBP_DISABLE_STATS) +typedef uint32_t (*VP8AccumulateSSEFunc)(const uint8_t* src1, + const uint8_t* src2, int len); +extern VP8AccumulateSSEFunc VP8AccumulateSSE; +#endif + +// must be called before using any of the above directly +void VP8SSIMDspInit(void); + +//------------------------------------------------------------------------------ +// Decoding + +typedef void (*VP8DecIdct)(const int16_t* coeffs, uint8_t* dst); +// when doing two transforms, coeffs is actually int16_t[2][16]. +typedef void (*VP8DecIdct2)(const int16_t* coeffs, uint8_t* dst, int do_two); +extern VP8DecIdct2 VP8Transform; +extern VP8DecIdct VP8TransformAC3; +extern VP8DecIdct VP8TransformUV; +extern VP8DecIdct VP8TransformDC; +extern VP8DecIdct VP8TransformDCUV; +extern VP8WHT VP8TransformWHT; + +// *dst is the destination block, with stride BPS. Boundary samples are +// assumed accessible when needed. +typedef void (*VP8PredFunc)(uint8_t* dst); +extern VP8PredFunc VP8PredLuma16[/* NUM_B_DC_MODES */]; +extern VP8PredFunc VP8PredChroma8[/* NUM_B_DC_MODES */]; +extern VP8PredFunc VP8PredLuma4[/* NUM_BMODES */]; + +// clipping tables (for filtering) +extern const int8_t* const VP8ksclip1; // clips [-1020, 1020] to [-128, 127] +extern const int8_t* const VP8ksclip2; // clips [-112, 112] to [-16, 15] +extern const uint8_t* const VP8kclip1; // clips [-255,511] to [0,255] +extern const uint8_t* const VP8kabs0; // abs(x) for x in [-255,255] +// must be called first +void VP8InitClipTables(void); + +// simple filter (only for luma) +typedef void (*VP8SimpleFilterFunc)(uint8_t* p, int stride, int thresh); +extern VP8SimpleFilterFunc VP8SimpleVFilter16; +extern VP8SimpleFilterFunc VP8SimpleHFilter16; +extern VP8SimpleFilterFunc VP8SimpleVFilter16i; // filter 3 inner edges +extern VP8SimpleFilterFunc VP8SimpleHFilter16i; + +// regular filter (on both macroblock edges and inner edges) +typedef void (*VP8LumaFilterFunc)(uint8_t* luma, int stride, + int thresh, int ithresh, int hev_t); +typedef void (*VP8ChromaFilterFunc)(uint8_t* u, uint8_t* v, int stride, + int thresh, int ithresh, int hev_t); +// on outer edge +extern VP8LumaFilterFunc VP8VFilter16; +extern VP8LumaFilterFunc VP8HFilter16; +extern VP8ChromaFilterFunc VP8VFilter8; +extern VP8ChromaFilterFunc VP8HFilter8; + +// on inner edge +extern VP8LumaFilterFunc VP8VFilter16i; // filtering 3 inner edges altogether +extern VP8LumaFilterFunc VP8HFilter16i; +extern VP8ChromaFilterFunc VP8VFilter8i; // filtering u and v altogether +extern VP8ChromaFilterFunc VP8HFilter8i; + +// Dithering. Combines dithering values (centered around 128) with dst[], +// according to: dst[] = clip(dst[] + (((dither[]-128) + 8) >> 4) +#define VP8_DITHER_DESCALE 4 +#define VP8_DITHER_DESCALE_ROUNDER (1 << (VP8_DITHER_DESCALE - 1)) +#define VP8_DITHER_AMP_BITS 7 +#define VP8_DITHER_AMP_CENTER (1 << VP8_DITHER_AMP_BITS) +extern void (*VP8DitherCombine8x8)(const uint8_t* dither, uint8_t* dst, + int dst_stride); + +// must be called before anything using the above +void VP8DspInit(void); + +//------------------------------------------------------------------------------ +// WebP I/O + +#define FANCY_UPSAMPLING // undefined to remove fancy upsampling support + +// Convert a pair of y/u/v lines together to the output rgb/a colorspace. +// bottom_y can be NULL if only one line of output is needed (at top/bottom). +typedef void (*WebPUpsampleLinePairFunc)( + const uint8_t* top_y, const uint8_t* bottom_y, + const uint8_t* top_u, const uint8_t* top_v, + const uint8_t* cur_u, const uint8_t* cur_v, + uint8_t* top_dst, uint8_t* bottom_dst, int len); + +#ifdef FANCY_UPSAMPLING + +// Fancy upsampling functions to convert YUV to RGB(A) modes +extern WebPUpsampleLinePairFunc WebPUpsamplers[/* MODE_LAST */]; + +#endif // FANCY_UPSAMPLING + +// Per-row point-sampling methods. +typedef void (*WebPSamplerRowFunc)(const uint8_t* y, + const uint8_t* u, const uint8_t* v, + uint8_t* dst, int len); +// Generic function to apply 'WebPSamplerRowFunc' to the whole plane: +void WebPSamplerProcessPlane(const uint8_t* y, int y_stride, + const uint8_t* u, const uint8_t* v, int uv_stride, + uint8_t* dst, int dst_stride, + int width, int height, WebPSamplerRowFunc func); + +// Sampling functions to convert rows of YUV to RGB(A) +extern WebPSamplerRowFunc WebPSamplers[/* MODE_LAST */]; + +// General function for converting two lines of ARGB or RGBA. +// 'alpha_is_last' should be true if 0xff000000 is stored in memory as +// as 0x00, 0x00, 0x00, 0xff (little endian). +WebPUpsampleLinePairFunc WebPGetLinePairConverter(int alpha_is_last); + +// YUV444->RGB converters +typedef void (*WebPYUV444Converter)(const uint8_t* y, + const uint8_t* u, const uint8_t* v, + uint8_t* dst, int len); + +extern WebPYUV444Converter WebPYUV444Converters[/* MODE_LAST */]; + +// Must be called before using the WebPUpsamplers[] (and for premultiplied +// colorspaces like rgbA, rgbA4444, etc) +void WebPInitUpsamplers(void); +// Must be called before using WebPSamplers[] +void WebPInitSamplers(void); +// Must be called before using WebPYUV444Converters[] +void WebPInitYUV444Converters(void); + +//------------------------------------------------------------------------------ +// ARGB -> YUV converters + +// Convert ARGB samples to luma Y. +extern void (*WebPConvertARGBToY)(const uint32_t* argb, uint8_t* y, int width); +// Convert ARGB samples to U/V with downsampling. do_store should be '1' for +// even lines and '0' for odd ones. 'src_width' is the original width, not +// the U/V one. +extern void (*WebPConvertARGBToUV)(const uint32_t* argb, uint8_t* u, uint8_t* v, + int src_width, int do_store); + +// Convert a row of accumulated (four-values) of rgba32 toward U/V +extern void (*WebPConvertRGBA32ToUV)(const uint16_t* rgb, + uint8_t* u, uint8_t* v, int width); + +// Convert RGB or BGR to Y +extern void (*WebPConvertRGB24ToY)(const uint8_t* rgb, uint8_t* y, int width); +extern void (*WebPConvertBGR24ToY)(const uint8_t* bgr, uint8_t* y, int width); + +// used for plain-C fallback. +extern void WebPConvertARGBToUV_C(const uint32_t* argb, uint8_t* u, uint8_t* v, + int src_width, int do_store); +extern void WebPConvertRGBA32ToUV_C(const uint16_t* rgb, + uint8_t* u, uint8_t* v, int width); + +// Must be called before using the above. +void WebPInitConvertARGBToYUV(void); + +//------------------------------------------------------------------------------ +// Rescaler + +struct WebPRescaler; + +// Import a row of data and save its contribution in the rescaler. +// 'channel' denotes the channel number to be imported. 'Expand' corresponds to +// the wrk->x_expand case. Otherwise, 'Shrink' is to be used. +typedef void (*WebPRescalerImportRowFunc)(struct WebPRescaler* const wrk, + const uint8_t* src); + +extern WebPRescalerImportRowFunc WebPRescalerImportRowExpand; +extern WebPRescalerImportRowFunc WebPRescalerImportRowShrink; + +// Export one row (starting at x_out position) from rescaler. +// 'Expand' corresponds to the wrk->y_expand case. +// Otherwise 'Shrink' is to be used +typedef void (*WebPRescalerExportRowFunc)(struct WebPRescaler* const wrk); +extern WebPRescalerExportRowFunc WebPRescalerExportRowExpand; +extern WebPRescalerExportRowFunc WebPRescalerExportRowShrink; + +// Plain-C implementation, as fall-back. +extern void WebPRescalerImportRowExpand_C(struct WebPRescaler* const wrk, + const uint8_t* src); +extern void WebPRescalerImportRowShrink_C(struct WebPRescaler* const wrk, + const uint8_t* src); +extern void WebPRescalerExportRowExpand_C(struct WebPRescaler* const wrk); +extern void WebPRescalerExportRowShrink_C(struct WebPRescaler* const wrk); + +// Main entry calls: +extern void WebPRescalerImportRow(struct WebPRescaler* const wrk, + const uint8_t* src); +// Export one row (starting at x_out position) from rescaler. +extern void WebPRescalerExportRow(struct WebPRescaler* const wrk); + +// Must be called first before using the above. +void WebPRescalerDspInit(void); + +//------------------------------------------------------------------------------ +// Utilities for processing transparent channel. + +// Apply alpha pre-multiply on an rgba, bgra or argb plane of size w * h. +// alpha_first should be 0 for argb, 1 for rgba or bgra (where alpha is last). +extern void (*WebPApplyAlphaMultiply)( + uint8_t* rgba, int alpha_first, int w, int h, int stride); + +// Same, buf specifically for RGBA4444 format +extern void (*WebPApplyAlphaMultiply4444)( + uint8_t* rgba4444, int w, int h, int stride); + +// Dispatch the values from alpha[] plane to the ARGB destination 'dst'. +// Returns true if alpha[] plane has non-trivial values different from 0xff. +extern int (*WebPDispatchAlpha)(const uint8_t* WEBP_RESTRICT alpha, + int alpha_stride, int width, int height, + uint8_t* WEBP_RESTRICT dst, int dst_stride); + +// Transfer packed 8b alpha[] values to green channel in dst[], zero'ing the +// A/R/B values. 'dst_stride' is the stride for dst[] in uint32_t units. +extern void (*WebPDispatchAlphaToGreen)(const uint8_t* WEBP_RESTRICT alpha, + int alpha_stride, int width, int height, + uint32_t* WEBP_RESTRICT dst, + int dst_stride); + +// Extract the alpha values from 32b values in argb[] and pack them into alpha[] +// (this is the opposite of WebPDispatchAlpha). +// Returns true if there's only trivial 0xff alpha values. +extern int (*WebPExtractAlpha)(const uint8_t* WEBP_RESTRICT argb, + int argb_stride, int width, int height, + uint8_t* WEBP_RESTRICT alpha, + int alpha_stride); + +// Extract the green values from 32b values in argb[] and pack them into alpha[] +// (this is the opposite of WebPDispatchAlphaToGreen). +extern void (*WebPExtractGreen)(const uint32_t* WEBP_RESTRICT argb, + uint8_t* WEBP_RESTRICT alpha, int size); + +// Pre-Multiply operation transforms x into x * A / 255 (where x=Y,R,G or B). +// Un-Multiply operation transforms x into x * 255 / A. + +// Pre-Multiply or Un-Multiply (if 'inverse' is true) argb values in a row. +extern void (*WebPMultARGBRow)(uint32_t* const ptr, int width, int inverse); + +// Same a WebPMultARGBRow(), but for several rows. +void WebPMultARGBRows(uint8_t* ptr, int stride, int width, int num_rows, + int inverse); + +// Same for a row of single values, with side alpha values. +extern void (*WebPMultRow)(uint8_t* WEBP_RESTRICT const ptr, + const uint8_t* WEBP_RESTRICT const alpha, + int width, int inverse); + +// Same a WebPMultRow(), but for several 'num_rows' rows. +void WebPMultRows(uint8_t* WEBP_RESTRICT ptr, int stride, + const uint8_t* WEBP_RESTRICT alpha, int alpha_stride, + int width, int num_rows, int inverse); + +// Plain-C versions, used as fallback by some implementations. +void WebPMultRow_C(uint8_t* WEBP_RESTRICT const ptr, + const uint8_t* WEBP_RESTRICT const alpha, + int width, int inverse); +void WebPMultARGBRow_C(uint32_t* const ptr, int width, int inverse); + +#ifdef WORDS_BIGENDIAN +// ARGB packing function: a/r/g/b input is rgba or bgra order. +extern void (*WebPPackARGB)(const uint8_t* WEBP_RESTRICT a, + const uint8_t* WEBP_RESTRICT r, + const uint8_t* WEBP_RESTRICT g, + const uint8_t* WEBP_RESTRICT b, + int len, uint32_t* WEBP_RESTRICT out); +#endif + +// RGB packing function. 'step' can be 3 or 4. r/g/b input is rgb or bgr order. +extern void (*WebPPackRGB)(const uint8_t* WEBP_RESTRICT r, + const uint8_t* WEBP_RESTRICT g, + const uint8_t* WEBP_RESTRICT b, + int len, int step, uint32_t* WEBP_RESTRICT out); + +// This function returns true if src[i] contains a value different from 0xff. +extern int (*WebPHasAlpha8b)(const uint8_t* src, int length); +// This function returns true if src[4*i] contains a value different from 0xff. +extern int (*WebPHasAlpha32b)(const uint8_t* src, int length); +// replaces transparent values in src[] by 'color'. +extern void (*WebPAlphaReplace)(uint32_t* src, int length, uint32_t color); + +// To be called first before using the above. +void WebPInitAlphaProcessing(void); + +//------------------------------------------------------------------------------ +// Filter functions + +typedef enum { // Filter types. + WEBP_FILTER_NONE = 0, + WEBP_FILTER_HORIZONTAL, + WEBP_FILTER_VERTICAL, + WEBP_FILTER_GRADIENT, + WEBP_FILTER_LAST = WEBP_FILTER_GRADIENT + 1, // end marker + WEBP_FILTER_BEST, // meta-types + WEBP_FILTER_FAST +} WEBP_FILTER_TYPE; + +typedef void (*WebPFilterFunc)(const uint8_t* in, int width, int height, + int stride, uint8_t* out); +// In-place un-filtering. +// Warning! 'prev_line' pointer can be equal to 'cur_line' or 'preds'. +typedef void (*WebPUnfilterFunc)(const uint8_t* prev_line, const uint8_t* preds, + uint8_t* cur_line, int width); + +// Filter the given data using the given predictor. +// 'in' corresponds to a 2-dimensional pixel array of size (stride * height) +// in raster order. +// 'stride' is number of bytes per scan line (with possible padding). +// 'out' should be pre-allocated. +extern WebPFilterFunc WebPFilters[WEBP_FILTER_LAST]; + +// In-place reconstruct the original data from the given filtered data. +// The reconstruction will be done for 'num_rows' rows starting from 'row' +// (assuming rows upto 'row - 1' are already reconstructed). +extern WebPUnfilterFunc WebPUnfilters[WEBP_FILTER_LAST]; + +// To be called first before using the above. +void VP8FiltersInit(void); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_DSP_DSP_H_ diff --git a/ProductApp/Pods/libwebp/src/dsp/enc.c b/ProductApp/Pods/libwebp/src/dsp/enc.c new file mode 100644 index 0000000..2ba97ba --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/enc.c @@ -0,0 +1,831 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Speed-critical encoding functions. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include +#include // for abs() + +#include "src/dsp/dsp.h" +#include "src/enc/vp8i_enc.h" + +static WEBP_INLINE uint8_t clip_8b(int v) { + return (!(v & ~0xff)) ? v : (v < 0) ? 0 : 255; +} + +#if !WEBP_NEON_OMIT_C_CODE +static WEBP_INLINE int clip_max(int v, int max) { + return (v > max) ? max : v; +} +#endif // !WEBP_NEON_OMIT_C_CODE + +//------------------------------------------------------------------------------ +// Compute susceptibility based on DCT-coeff histograms: +// the higher, the "easier" the macroblock is to compress. + +const int VP8DspScan[16 + 4 + 4] = { + // Luma + 0 + 0 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS, + 0 + 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS, + 0 + 8 * BPS, 4 + 8 * BPS, 8 + 8 * BPS, 12 + 8 * BPS, + 0 + 12 * BPS, 4 + 12 * BPS, 8 + 12 * BPS, 12 + 12 * BPS, + + 0 + 0 * BPS, 4 + 0 * BPS, 0 + 4 * BPS, 4 + 4 * BPS, // U + 8 + 0 * BPS, 12 + 0 * BPS, 8 + 4 * BPS, 12 + 4 * BPS // V +}; + +// general-purpose util function +void VP8SetHistogramData(const int distribution[MAX_COEFF_THRESH + 1], + VP8Histogram* const histo) { + int max_value = 0, last_non_zero = 1; + int k; + for (k = 0; k <= MAX_COEFF_THRESH; ++k) { + const int value = distribution[k]; + if (value > 0) { + if (value > max_value) max_value = value; + last_non_zero = k; + } + } + histo->max_value = max_value; + histo->last_non_zero = last_non_zero; +} + +#if !WEBP_NEON_OMIT_C_CODE +static void CollectHistogram_C(const uint8_t* ref, const uint8_t* pred, + int start_block, int end_block, + VP8Histogram* const histo) { + int j; + int distribution[MAX_COEFF_THRESH + 1] = { 0 }; + for (j = start_block; j < end_block; ++j) { + int k; + int16_t out[16]; + + VP8FTransform(ref + VP8DspScan[j], pred + VP8DspScan[j], out); + + // Convert coefficients to bin. + for (k = 0; k < 16; ++k) { + const int v = abs(out[k]) >> 3; + const int clipped_value = clip_max(v, MAX_COEFF_THRESH); + ++distribution[clipped_value]; + } + } + VP8SetHistogramData(distribution, histo); +} +#endif // !WEBP_NEON_OMIT_C_CODE + +//------------------------------------------------------------------------------ +// run-time tables (~4k) + +static uint8_t clip1[255 + 510 + 1]; // clips [-255,510] to [0,255] + +// We declare this variable 'volatile' to prevent instruction reordering +// and make sure it's set to true _last_ (so as to be thread-safe) +static volatile int tables_ok = 0; + +static WEBP_TSAN_IGNORE_FUNCTION void InitTables(void) { + if (!tables_ok) { + int i; + for (i = -255; i <= 255 + 255; ++i) { + clip1[255 + i] = clip_8b(i); + } + tables_ok = 1; + } +} + + +//------------------------------------------------------------------------------ +// Transforms (Paragraph 14.4) + +#if !WEBP_NEON_OMIT_C_CODE + +#define STORE(x, y, v) \ + dst[(x) + (y) * BPS] = clip_8b(ref[(x) + (y) * BPS] + ((v) >> 3)) + +static const int kC1 = 20091 + (1 << 16); +static const int kC2 = 35468; +#define MUL(a, b) (((a) * (b)) >> 16) + +static WEBP_INLINE void ITransformOne(const uint8_t* ref, const int16_t* in, + uint8_t* dst) { + int C[4 * 4], *tmp; + int i; + tmp = C; + for (i = 0; i < 4; ++i) { // vertical pass + const int a = in[0] + in[8]; + const int b = in[0] - in[8]; + const int c = MUL(in[4], kC2) - MUL(in[12], kC1); + const int d = MUL(in[4], kC1) + MUL(in[12], kC2); + tmp[0] = a + d; + tmp[1] = b + c; + tmp[2] = b - c; + tmp[3] = a - d; + tmp += 4; + in++; + } + + tmp = C; + for (i = 0; i < 4; ++i) { // horizontal pass + const int dc = tmp[0] + 4; + const int a = dc + tmp[8]; + const int b = dc - tmp[8]; + const int c = MUL(tmp[4], kC2) - MUL(tmp[12], kC1); + const int d = MUL(tmp[4], kC1) + MUL(tmp[12], kC2); + STORE(0, i, a + d); + STORE(1, i, b + c); + STORE(2, i, b - c); + STORE(3, i, a - d); + tmp++; + } +} + +static void ITransform_C(const uint8_t* ref, const int16_t* in, uint8_t* dst, + int do_two) { + ITransformOne(ref, in, dst); + if (do_two) { + ITransformOne(ref + 4, in + 16, dst + 4); + } +} + +static void FTransform_C(const uint8_t* src, const uint8_t* ref, int16_t* out) { + int i; + int tmp[16]; + for (i = 0; i < 4; ++i, src += BPS, ref += BPS) { + const int d0 = src[0] - ref[0]; // 9bit dynamic range ([-255,255]) + const int d1 = src[1] - ref[1]; + const int d2 = src[2] - ref[2]; + const int d3 = src[3] - ref[3]; + const int a0 = (d0 + d3); // 10b [-510,510] + const int a1 = (d1 + d2); + const int a2 = (d1 - d2); + const int a3 = (d0 - d3); + tmp[0 + i * 4] = (a0 + a1) * 8; // 14b [-8160,8160] + tmp[1 + i * 4] = (a2 * 2217 + a3 * 5352 + 1812) >> 9; // [-7536,7542] + tmp[2 + i * 4] = (a0 - a1) * 8; + tmp[3 + i * 4] = (a3 * 2217 - a2 * 5352 + 937) >> 9; + } + for (i = 0; i < 4; ++i) { + const int a0 = (tmp[0 + i] + tmp[12 + i]); // 15b + const int a1 = (tmp[4 + i] + tmp[ 8 + i]); + const int a2 = (tmp[4 + i] - tmp[ 8 + i]); + const int a3 = (tmp[0 + i] - tmp[12 + i]); + out[0 + i] = (a0 + a1 + 7) >> 4; // 12b + out[4 + i] = ((a2 * 2217 + a3 * 5352 + 12000) >> 16) + (a3 != 0); + out[8 + i] = (a0 - a1 + 7) >> 4; + out[12+ i] = ((a3 * 2217 - a2 * 5352 + 51000) >> 16); + } +} +#endif // !WEBP_NEON_OMIT_C_CODE + +static void FTransform2_C(const uint8_t* src, const uint8_t* ref, + int16_t* out) { + VP8FTransform(src, ref, out); + VP8FTransform(src + 4, ref + 4, out + 16); +} + +#if !WEBP_NEON_OMIT_C_CODE +static void FTransformWHT_C(const int16_t* in, int16_t* out) { + // input is 12b signed + int32_t tmp[16]; + int i; + for (i = 0; i < 4; ++i, in += 64) { + const int a0 = (in[0 * 16] + in[2 * 16]); // 13b + const int a1 = (in[1 * 16] + in[3 * 16]); + const int a2 = (in[1 * 16] - in[3 * 16]); + const int a3 = (in[0 * 16] - in[2 * 16]); + tmp[0 + i * 4] = a0 + a1; // 14b + tmp[1 + i * 4] = a3 + a2; + tmp[2 + i * 4] = a3 - a2; + tmp[3 + i * 4] = a0 - a1; + } + for (i = 0; i < 4; ++i) { + const int a0 = (tmp[0 + i] + tmp[8 + i]); // 15b + const int a1 = (tmp[4 + i] + tmp[12+ i]); + const int a2 = (tmp[4 + i] - tmp[12+ i]); + const int a3 = (tmp[0 + i] - tmp[8 + i]); + const int b0 = a0 + a1; // 16b + const int b1 = a3 + a2; + const int b2 = a3 - a2; + const int b3 = a0 - a1; + out[ 0 + i] = b0 >> 1; // 15b + out[ 4 + i] = b1 >> 1; + out[ 8 + i] = b2 >> 1; + out[12 + i] = b3 >> 1; + } +} +#endif // !WEBP_NEON_OMIT_C_CODE + +#undef MUL +#undef STORE + +//------------------------------------------------------------------------------ +// Intra predictions + +static WEBP_INLINE void Fill(uint8_t* dst, int value, int size) { + int j; + for (j = 0; j < size; ++j) { + memset(dst + j * BPS, value, size); + } +} + +static WEBP_INLINE void VerticalPred(uint8_t* dst, + const uint8_t* top, int size) { + int j; + if (top != NULL) { + for (j = 0; j < size; ++j) memcpy(dst + j * BPS, top, size); + } else { + Fill(dst, 127, size); + } +} + +static WEBP_INLINE void HorizontalPred(uint8_t* dst, + const uint8_t* left, int size) { + if (left != NULL) { + int j; + for (j = 0; j < size; ++j) { + memset(dst + j * BPS, left[j], size); + } + } else { + Fill(dst, 129, size); + } +} + +static WEBP_INLINE void TrueMotion(uint8_t* dst, const uint8_t* left, + const uint8_t* top, int size) { + int y; + if (left != NULL) { + if (top != NULL) { + const uint8_t* const clip = clip1 + 255 - left[-1]; + for (y = 0; y < size; ++y) { + const uint8_t* const clip_table = clip + left[y]; + int x; + for (x = 0; x < size; ++x) { + dst[x] = clip_table[top[x]]; + } + dst += BPS; + } + } else { + HorizontalPred(dst, left, size); + } + } else { + // true motion without left samples (hence: with default 129 value) + // is equivalent to VE prediction where you just copy the top samples. + // Note that if top samples are not available, the default value is + // then 129, and not 127 as in the VerticalPred case. + if (top != NULL) { + VerticalPred(dst, top, size); + } else { + Fill(dst, 129, size); + } + } +} + +static WEBP_INLINE void DCMode(uint8_t* dst, const uint8_t* left, + const uint8_t* top, + int size, int round, int shift) { + int DC = 0; + int j; + if (top != NULL) { + for (j = 0; j < size; ++j) DC += top[j]; + if (left != NULL) { // top and left present + for (j = 0; j < size; ++j) DC += left[j]; + } else { // top, but no left + DC += DC; + } + DC = (DC + round) >> shift; + } else if (left != NULL) { // left but no top + for (j = 0; j < size; ++j) DC += left[j]; + DC += DC; + DC = (DC + round) >> shift; + } else { // no top, no left, nothing. + DC = 0x80; + } + Fill(dst, DC, size); +} + +//------------------------------------------------------------------------------ +// Chroma 8x8 prediction (paragraph 12.2) + +static void IntraChromaPreds_C(uint8_t* dst, const uint8_t* left, + const uint8_t* top) { + // U block + DCMode(C8DC8 + dst, left, top, 8, 8, 4); + VerticalPred(C8VE8 + dst, top, 8); + HorizontalPred(C8HE8 + dst, left, 8); + TrueMotion(C8TM8 + dst, left, top, 8); + // V block + dst += 8; + if (top != NULL) top += 8; + if (left != NULL) left += 16; + DCMode(C8DC8 + dst, left, top, 8, 8, 4); + VerticalPred(C8VE8 + dst, top, 8); + HorizontalPred(C8HE8 + dst, left, 8); + TrueMotion(C8TM8 + dst, left, top, 8); +} + +//------------------------------------------------------------------------------ +// luma 16x16 prediction (paragraph 12.3) + +static void Intra16Preds_C(uint8_t* dst, + const uint8_t* left, const uint8_t* top) { + DCMode(I16DC16 + dst, left, top, 16, 16, 5); + VerticalPred(I16VE16 + dst, top, 16); + HorizontalPred(I16HE16 + dst, left, 16); + TrueMotion(I16TM16 + dst, left, top, 16); +} + +//------------------------------------------------------------------------------ +// luma 4x4 prediction + +#define DST(x, y) dst[(x) + (y) * BPS] +#define AVG3(a, b, c) ((uint8_t)(((a) + 2 * (b) + (c) + 2) >> 2)) +#define AVG2(a, b) (((a) + (b) + 1) >> 1) + +static void VE4(uint8_t* dst, const uint8_t* top) { // vertical + const uint8_t vals[4] = { + AVG3(top[-1], top[0], top[1]), + AVG3(top[ 0], top[1], top[2]), + AVG3(top[ 1], top[2], top[3]), + AVG3(top[ 2], top[3], top[4]) + }; + int i; + for (i = 0; i < 4; ++i) { + memcpy(dst + i * BPS, vals, 4); + } +} + +static void HE4(uint8_t* dst, const uint8_t* top) { // horizontal + const int X = top[-1]; + const int I = top[-2]; + const int J = top[-3]; + const int K = top[-4]; + const int L = top[-5]; + WebPUint32ToMem(dst + 0 * BPS, 0x01010101U * AVG3(X, I, J)); + WebPUint32ToMem(dst + 1 * BPS, 0x01010101U * AVG3(I, J, K)); + WebPUint32ToMem(dst + 2 * BPS, 0x01010101U * AVG3(J, K, L)); + WebPUint32ToMem(dst + 3 * BPS, 0x01010101U * AVG3(K, L, L)); +} + +static void DC4(uint8_t* dst, const uint8_t* top) { + uint32_t dc = 4; + int i; + for (i = 0; i < 4; ++i) dc += top[i] + top[-5 + i]; + Fill(dst, dc >> 3, 4); +} + +static void RD4(uint8_t* dst, const uint8_t* top) { + const int X = top[-1]; + const int I = top[-2]; + const int J = top[-3]; + const int K = top[-4]; + const int L = top[-5]; + const int A = top[0]; + const int B = top[1]; + const int C = top[2]; + const int D = top[3]; + DST(0, 3) = AVG3(J, K, L); + DST(0, 2) = DST(1, 3) = AVG3(I, J, K); + DST(0, 1) = DST(1, 2) = DST(2, 3) = AVG3(X, I, J); + DST(0, 0) = DST(1, 1) = DST(2, 2) = DST(3, 3) = AVG3(A, X, I); + DST(1, 0) = DST(2, 1) = DST(3, 2) = AVG3(B, A, X); + DST(2, 0) = DST(3, 1) = AVG3(C, B, A); + DST(3, 0) = AVG3(D, C, B); +} + +static void LD4(uint8_t* dst, const uint8_t* top) { + const int A = top[0]; + const int B = top[1]; + const int C = top[2]; + const int D = top[3]; + const int E = top[4]; + const int F = top[5]; + const int G = top[6]; + const int H = top[7]; + DST(0, 0) = AVG3(A, B, C); + DST(1, 0) = DST(0, 1) = AVG3(B, C, D); + DST(2, 0) = DST(1, 1) = DST(0, 2) = AVG3(C, D, E); + DST(3, 0) = DST(2, 1) = DST(1, 2) = DST(0, 3) = AVG3(D, E, F); + DST(3, 1) = DST(2, 2) = DST(1, 3) = AVG3(E, F, G); + DST(3, 2) = DST(2, 3) = AVG3(F, G, H); + DST(3, 3) = AVG3(G, H, H); +} + +static void VR4(uint8_t* dst, const uint8_t* top) { + const int X = top[-1]; + const int I = top[-2]; + const int J = top[-3]; + const int K = top[-4]; + const int A = top[0]; + const int B = top[1]; + const int C = top[2]; + const int D = top[3]; + DST(0, 0) = DST(1, 2) = AVG2(X, A); + DST(1, 0) = DST(2, 2) = AVG2(A, B); + DST(2, 0) = DST(3, 2) = AVG2(B, C); + DST(3, 0) = AVG2(C, D); + + DST(0, 3) = AVG3(K, J, I); + DST(0, 2) = AVG3(J, I, X); + DST(0, 1) = DST(1, 3) = AVG3(I, X, A); + DST(1, 1) = DST(2, 3) = AVG3(X, A, B); + DST(2, 1) = DST(3, 3) = AVG3(A, B, C); + DST(3, 1) = AVG3(B, C, D); +} + +static void VL4(uint8_t* dst, const uint8_t* top) { + const int A = top[0]; + const int B = top[1]; + const int C = top[2]; + const int D = top[3]; + const int E = top[4]; + const int F = top[5]; + const int G = top[6]; + const int H = top[7]; + DST(0, 0) = AVG2(A, B); + DST(1, 0) = DST(0, 2) = AVG2(B, C); + DST(2, 0) = DST(1, 2) = AVG2(C, D); + DST(3, 0) = DST(2, 2) = AVG2(D, E); + + DST(0, 1) = AVG3(A, B, C); + DST(1, 1) = DST(0, 3) = AVG3(B, C, D); + DST(2, 1) = DST(1, 3) = AVG3(C, D, E); + DST(3, 1) = DST(2, 3) = AVG3(D, E, F); + DST(3, 2) = AVG3(E, F, G); + DST(3, 3) = AVG3(F, G, H); +} + +static void HU4(uint8_t* dst, const uint8_t* top) { + const int I = top[-2]; + const int J = top[-3]; + const int K = top[-4]; + const int L = top[-5]; + DST(0, 0) = AVG2(I, J); + DST(2, 0) = DST(0, 1) = AVG2(J, K); + DST(2, 1) = DST(0, 2) = AVG2(K, L); + DST(1, 0) = AVG3(I, J, K); + DST(3, 0) = DST(1, 1) = AVG3(J, K, L); + DST(3, 1) = DST(1, 2) = AVG3(K, L, L); + DST(3, 2) = DST(2, 2) = + DST(0, 3) = DST(1, 3) = DST(2, 3) = DST(3, 3) = L; +} + +static void HD4(uint8_t* dst, const uint8_t* top) { + const int X = top[-1]; + const int I = top[-2]; + const int J = top[-3]; + const int K = top[-4]; + const int L = top[-5]; + const int A = top[0]; + const int B = top[1]; + const int C = top[2]; + + DST(0, 0) = DST(2, 1) = AVG2(I, X); + DST(0, 1) = DST(2, 2) = AVG2(J, I); + DST(0, 2) = DST(2, 3) = AVG2(K, J); + DST(0, 3) = AVG2(L, K); + + DST(3, 0) = AVG3(A, B, C); + DST(2, 0) = AVG3(X, A, B); + DST(1, 0) = DST(3, 1) = AVG3(I, X, A); + DST(1, 1) = DST(3, 2) = AVG3(J, I, X); + DST(1, 2) = DST(3, 3) = AVG3(K, J, I); + DST(1, 3) = AVG3(L, K, J); +} + +static void TM4(uint8_t* dst, const uint8_t* top) { + int x, y; + const uint8_t* const clip = clip1 + 255 - top[-1]; + for (y = 0; y < 4; ++y) { + const uint8_t* const clip_table = clip + top[-2 - y]; + for (x = 0; x < 4; ++x) { + dst[x] = clip_table[top[x]]; + } + dst += BPS; + } +} + +#undef DST +#undef AVG3 +#undef AVG2 + +// Left samples are top[-5 .. -2], top_left is top[-1], top are +// located at top[0..3], and top right is top[4..7] +static void Intra4Preds_C(uint8_t* dst, const uint8_t* top) { + DC4(I4DC4 + dst, top); + TM4(I4TM4 + dst, top); + VE4(I4VE4 + dst, top); + HE4(I4HE4 + dst, top); + RD4(I4RD4 + dst, top); + VR4(I4VR4 + dst, top); + LD4(I4LD4 + dst, top); + VL4(I4VL4 + dst, top); + HD4(I4HD4 + dst, top); + HU4(I4HU4 + dst, top); +} + +//------------------------------------------------------------------------------ +// Metric + +#if !WEBP_NEON_OMIT_C_CODE +static WEBP_INLINE int GetSSE(const uint8_t* a, const uint8_t* b, + int w, int h) { + int count = 0; + int y, x; + for (y = 0; y < h; ++y) { + for (x = 0; x < w; ++x) { + const int diff = (int)a[x] - b[x]; + count += diff * diff; + } + a += BPS; + b += BPS; + } + return count; +} + +static int SSE16x16_C(const uint8_t* a, const uint8_t* b) { + return GetSSE(a, b, 16, 16); +} +static int SSE16x8_C(const uint8_t* a, const uint8_t* b) { + return GetSSE(a, b, 16, 8); +} +static int SSE8x8_C(const uint8_t* a, const uint8_t* b) { + return GetSSE(a, b, 8, 8); +} +static int SSE4x4_C(const uint8_t* a, const uint8_t* b) { + return GetSSE(a, b, 4, 4); +} +#endif // !WEBP_NEON_OMIT_C_CODE + +static void Mean16x4_C(const uint8_t* ref, uint32_t dc[4]) { + int k, x, y; + for (k = 0; k < 4; ++k) { + uint32_t avg = 0; + for (y = 0; y < 4; ++y) { + for (x = 0; x < 4; ++x) { + avg += ref[x + y * BPS]; + } + } + dc[k] = avg; + ref += 4; // go to next 4x4 block. + } +} + +//------------------------------------------------------------------------------ +// Texture distortion +// +// We try to match the spectral content (weighted) between source and +// reconstructed samples. + +#if !WEBP_NEON_OMIT_C_CODE +// Hadamard transform +// Returns the weighted sum of the absolute value of transformed coefficients. +// w[] contains a row-major 4 by 4 symmetric matrix. +static int TTransform(const uint8_t* in, const uint16_t* w) { + int sum = 0; + int tmp[16]; + int i; + // horizontal pass + for (i = 0; i < 4; ++i, in += BPS) { + const int a0 = in[0] + in[2]; + const int a1 = in[1] + in[3]; + const int a2 = in[1] - in[3]; + const int a3 = in[0] - in[2]; + tmp[0 + i * 4] = a0 + a1; + tmp[1 + i * 4] = a3 + a2; + tmp[2 + i * 4] = a3 - a2; + tmp[3 + i * 4] = a0 - a1; + } + // vertical pass + for (i = 0; i < 4; ++i, ++w) { + const int a0 = tmp[0 + i] + tmp[8 + i]; + const int a1 = tmp[4 + i] + tmp[12+ i]; + const int a2 = tmp[4 + i] - tmp[12+ i]; + const int a3 = tmp[0 + i] - tmp[8 + i]; + const int b0 = a0 + a1; + const int b1 = a3 + a2; + const int b2 = a3 - a2; + const int b3 = a0 - a1; + + sum += w[ 0] * abs(b0); + sum += w[ 4] * abs(b1); + sum += w[ 8] * abs(b2); + sum += w[12] * abs(b3); + } + return sum; +} + +static int Disto4x4_C(const uint8_t* const a, const uint8_t* const b, + const uint16_t* const w) { + const int sum1 = TTransform(a, w); + const int sum2 = TTransform(b, w); + return abs(sum2 - sum1) >> 5; +} + +static int Disto16x16_C(const uint8_t* const a, const uint8_t* const b, + const uint16_t* const w) { + int D = 0; + int x, y; + for (y = 0; y < 16 * BPS; y += 4 * BPS) { + for (x = 0; x < 16; x += 4) { + D += Disto4x4_C(a + x + y, b + x + y, w); + } + } + return D; +} +#endif // !WEBP_NEON_OMIT_C_CODE + +//------------------------------------------------------------------------------ +// Quantization +// + +static const uint8_t kZigzag[16] = { + 0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15 +}; + +// Simple quantization +static int QuantizeBlock_C(int16_t in[16], int16_t out[16], + const VP8Matrix* const mtx) { + int last = -1; + int n; + for (n = 0; n < 16; ++n) { + const int j = kZigzag[n]; + const int sign = (in[j] < 0); + const uint32_t coeff = (sign ? -in[j] : in[j]) + mtx->sharpen_[j]; + if (coeff > mtx->zthresh_[j]) { + const uint32_t Q = mtx->q_[j]; + const uint32_t iQ = mtx->iq_[j]; + const uint32_t B = mtx->bias_[j]; + int level = QUANTDIV(coeff, iQ, B); + if (level > MAX_LEVEL) level = MAX_LEVEL; + if (sign) level = -level; + in[j] = level * (int)Q; + out[n] = level; + if (level) last = n; + } else { + out[n] = 0; + in[j] = 0; + } + } + return (last >= 0); +} + +#if !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC +static int Quantize2Blocks_C(int16_t in[32], int16_t out[32], + const VP8Matrix* const mtx) { + int nz; + nz = VP8EncQuantizeBlock(in + 0 * 16, out + 0 * 16, mtx) << 0; + nz |= VP8EncQuantizeBlock(in + 1 * 16, out + 1 * 16, mtx) << 1; + return nz; +} +#endif // !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC + +//------------------------------------------------------------------------------ +// Block copy + +static WEBP_INLINE void Copy(const uint8_t* src, uint8_t* dst, int w, int h) { + int y; + for (y = 0; y < h; ++y) { + memcpy(dst, src, w); + src += BPS; + dst += BPS; + } +} + +static void Copy4x4_C(const uint8_t* src, uint8_t* dst) { + Copy(src, dst, 4, 4); +} + +static void Copy16x8_C(const uint8_t* src, uint8_t* dst) { + Copy(src, dst, 16, 8); +} + +//------------------------------------------------------------------------------ +// Initialization + +// Speed-critical function pointers. We have to initialize them to the default +// implementations within VP8EncDspInit(). +VP8CHisto VP8CollectHistogram; +VP8Idct VP8ITransform; +VP8Fdct VP8FTransform; +VP8Fdct VP8FTransform2; +VP8WHT VP8FTransformWHT; +VP8Intra4Preds VP8EncPredLuma4; +VP8IntraPreds VP8EncPredLuma16; +VP8IntraPreds VP8EncPredChroma8; +VP8Metric VP8SSE16x16; +VP8Metric VP8SSE8x8; +VP8Metric VP8SSE16x8; +VP8Metric VP8SSE4x4; +VP8WMetric VP8TDisto4x4; +VP8WMetric VP8TDisto16x16; +VP8MeanMetric VP8Mean16x4; +VP8QuantizeBlock VP8EncQuantizeBlock; +VP8Quantize2Blocks VP8EncQuantize2Blocks; +VP8QuantizeBlockWHT VP8EncQuantizeBlockWHT; +VP8BlockCopy VP8Copy4x4; +VP8BlockCopy VP8Copy16x8; + +extern VP8CPUInfo VP8GetCPUInfo; +extern void VP8EncDspInitSSE2(void); +extern void VP8EncDspInitSSE41(void); +extern void VP8EncDspInitNEON(void); +extern void VP8EncDspInitMIPS32(void); +extern void VP8EncDspInitMIPSdspR2(void); +extern void VP8EncDspInitMSA(void); + +WEBP_DSP_INIT_FUNC(VP8EncDspInit) { + VP8DspInit(); // common inverse transforms + InitTables(); + + // default C implementations +#if !WEBP_NEON_OMIT_C_CODE + VP8ITransform = ITransform_C; + VP8FTransform = FTransform_C; + VP8FTransformWHT = FTransformWHT_C; + VP8TDisto4x4 = Disto4x4_C; + VP8TDisto16x16 = Disto16x16_C; + VP8CollectHistogram = CollectHistogram_C; + VP8SSE16x16 = SSE16x16_C; + VP8SSE16x8 = SSE16x8_C; + VP8SSE8x8 = SSE8x8_C; + VP8SSE4x4 = SSE4x4_C; +#endif + +#if !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC + VP8EncQuantizeBlock = QuantizeBlock_C; + VP8EncQuantize2Blocks = Quantize2Blocks_C; +#endif + + VP8FTransform2 = FTransform2_C; + VP8EncPredLuma4 = Intra4Preds_C; + VP8EncPredLuma16 = Intra16Preds_C; + VP8EncPredChroma8 = IntraChromaPreds_C; + VP8Mean16x4 = Mean16x4_C; + VP8EncQuantizeBlockWHT = QuantizeBlock_C; + VP8Copy4x4 = Copy4x4_C; + VP8Copy16x8 = Copy16x8_C; + + // If defined, use CPUInfo() to overwrite some pointers with faster versions. + if (VP8GetCPUInfo != NULL) { +#if defined(WEBP_HAVE_SSE2) + if (VP8GetCPUInfo(kSSE2)) { + VP8EncDspInitSSE2(); +#if defined(WEBP_HAVE_SSE41) + if (VP8GetCPUInfo(kSSE4_1)) { + VP8EncDspInitSSE41(); + } +#endif + } +#endif +#if defined(WEBP_USE_MIPS32) + if (VP8GetCPUInfo(kMIPS32)) { + VP8EncDspInitMIPS32(); + } +#endif +#if defined(WEBP_USE_MIPS_DSP_R2) + if (VP8GetCPUInfo(kMIPSdspR2)) { + VP8EncDspInitMIPSdspR2(); + } +#endif +#if defined(WEBP_USE_MSA) + if (VP8GetCPUInfo(kMSA)) { + VP8EncDspInitMSA(); + } +#endif + } + +#if defined(WEBP_HAVE_NEON) + if (WEBP_NEON_OMIT_C_CODE || + (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kNEON))) { + VP8EncDspInitNEON(); + } +#endif + + assert(VP8ITransform != NULL); + assert(VP8FTransform != NULL); + assert(VP8FTransformWHT != NULL); + assert(VP8TDisto4x4 != NULL); + assert(VP8TDisto16x16 != NULL); + assert(VP8CollectHistogram != NULL); + assert(VP8SSE16x16 != NULL); + assert(VP8SSE16x8 != NULL); + assert(VP8SSE8x8 != NULL); + assert(VP8SSE4x4 != NULL); + assert(VP8EncQuantizeBlock != NULL); + assert(VP8EncQuantize2Blocks != NULL); + assert(VP8FTransform2 != NULL); + assert(VP8EncPredLuma4 != NULL); + assert(VP8EncPredLuma16 != NULL); + assert(VP8EncPredChroma8 != NULL); + assert(VP8Mean16x4 != NULL); + assert(VP8EncQuantizeBlockWHT != NULL); + assert(VP8Copy4x4 != NULL); + assert(VP8Copy16x8 != NULL); +} diff --git a/ProductApp/Pods/libwebp/src/dsp/enc_mips32.c b/ProductApp/Pods/libwebp/src/dsp/enc_mips32.c new file mode 100644 index 0000000..618f0fc --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/enc_mips32.c @@ -0,0 +1,677 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// MIPS version of speed-critical encoding functions. +// +// Author(s): Djordje Pesut (djordje.pesut@imgtec.com) +// Jovan Zelincevic (jovan.zelincevic@imgtec.com) +// Slobodan Prijic (slobodan.prijic@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MIPS32) + +#include "src/dsp/mips_macro.h" +#include "src/enc/vp8i_enc.h" +#include "src/enc/cost_enc.h" + +static const int kC1 = 20091 + (1 << 16); +static const int kC2 = 35468; + +// macro for one vertical pass in ITransformOne +// MUL macro inlined +// temp0..temp15 holds tmp[0]..tmp[15] +// A..D - offsets in bytes to load from in buffer +// TEMP0..TEMP3 - registers for corresponding tmp elements +// TEMP4..TEMP5 - temporary registers +#define VERTICAL_PASS(A, B, C, D, TEMP4, TEMP0, TEMP1, TEMP2, TEMP3) \ + "lh %[temp16], " #A "(%[temp20]) \n\t" \ + "lh %[temp18], " #B "(%[temp20]) \n\t" \ + "lh %[temp17], " #C "(%[temp20]) \n\t" \ + "lh %[temp19], " #D "(%[temp20]) \n\t" \ + "addu %[" #TEMP4 "], %[temp16], %[temp18] \n\t" \ + "subu %[temp16], %[temp16], %[temp18] \n\t" \ + "mul %[" #TEMP0 "], %[temp17], %[kC2] \n\t" \ + "mul %[temp18], %[temp19], %[kC1] \n\t" \ + "mul %[temp17], %[temp17], %[kC1] \n\t" \ + "mul %[temp19], %[temp19], %[kC2] \n\t" \ + "sra %[" #TEMP0 "], %[" #TEMP0 "], 16 \n\n" \ + "sra %[temp18], %[temp18], 16 \n\n" \ + "sra %[temp17], %[temp17], 16 \n\n" \ + "sra %[temp19], %[temp19], 16 \n\n" \ + "subu %[" #TEMP2 "], %[" #TEMP0 "], %[temp18] \n\t" \ + "addu %[" #TEMP3 "], %[temp17], %[temp19] \n\t" \ + "addu %[" #TEMP0 "], %[" #TEMP4 "], %[" #TEMP3 "] \n\t" \ + "addu %[" #TEMP1 "], %[temp16], %[" #TEMP2 "] \n\t" \ + "subu %[" #TEMP2 "], %[temp16], %[" #TEMP2 "] \n\t" \ + "subu %[" #TEMP3 "], %[" #TEMP4 "], %[" #TEMP3 "] \n\t" + +// macro for one horizontal pass in ITransformOne +// MUL and STORE macros inlined +// a = clip_8b(a) is replaced with: a = max(a, 0); a = min(a, 255) +// temp0..temp15 holds tmp[0]..tmp[15] +// A - offset in bytes to load from ref and store to dst buffer +// TEMP0, TEMP4, TEMP8 and TEMP12 - registers for corresponding tmp elements +#define HORIZONTAL_PASS(A, TEMP0, TEMP4, TEMP8, TEMP12) \ + "addiu %[" #TEMP0 "], %[" #TEMP0 "], 4 \n\t" \ + "addu %[temp16], %[" #TEMP0 "], %[" #TEMP8 "] \n\t" \ + "subu %[temp17], %[" #TEMP0 "], %[" #TEMP8 "] \n\t" \ + "mul %[" #TEMP0 "], %[" #TEMP4 "], %[kC2] \n\t" \ + "mul %[" #TEMP8 "], %[" #TEMP12 "], %[kC1] \n\t" \ + "mul %[" #TEMP4 "], %[" #TEMP4 "], %[kC1] \n\t" \ + "mul %[" #TEMP12 "], %[" #TEMP12 "], %[kC2] \n\t" \ + "sra %[" #TEMP0 "], %[" #TEMP0 "], 16 \n\t" \ + "sra %[" #TEMP8 "], %[" #TEMP8 "], 16 \n\t" \ + "sra %[" #TEMP4 "], %[" #TEMP4 "], 16 \n\t" \ + "sra %[" #TEMP12 "], %[" #TEMP12 "], 16 \n\t" \ + "subu %[temp18], %[" #TEMP0 "], %[" #TEMP8 "] \n\t" \ + "addu %[temp19], %[" #TEMP4 "], %[" #TEMP12 "] \n\t" \ + "addu %[" #TEMP0 "], %[temp16], %[temp19] \n\t" \ + "addu %[" #TEMP4 "], %[temp17], %[temp18] \n\t" \ + "subu %[" #TEMP8 "], %[temp17], %[temp18] \n\t" \ + "subu %[" #TEMP12 "], %[temp16], %[temp19] \n\t" \ + "lw %[temp20], 0(%[args]) \n\t" \ + "sra %[" #TEMP0 "], %[" #TEMP0 "], 3 \n\t" \ + "sra %[" #TEMP4 "], %[" #TEMP4 "], 3 \n\t" \ + "sra %[" #TEMP8 "], %[" #TEMP8 "], 3 \n\t" \ + "sra %[" #TEMP12 "], %[" #TEMP12 "], 3 \n\t" \ + "lbu %[temp16], 0+" XSTR(BPS) "*" #A "(%[temp20]) \n\t" \ + "lbu %[temp17], 1+" XSTR(BPS) "*" #A "(%[temp20]) \n\t" \ + "lbu %[temp18], 2+" XSTR(BPS) "*" #A "(%[temp20]) \n\t" \ + "lbu %[temp19], 3+" XSTR(BPS) "*" #A "(%[temp20]) \n\t" \ + "addu %[" #TEMP0 "], %[temp16], %[" #TEMP0 "] \n\t" \ + "addu %[" #TEMP4 "], %[temp17], %[" #TEMP4 "] \n\t" \ + "addu %[" #TEMP8 "], %[temp18], %[" #TEMP8 "] \n\t" \ + "addu %[" #TEMP12 "], %[temp19], %[" #TEMP12 "] \n\t" \ + "slt %[temp16], %[" #TEMP0 "], $zero \n\t" \ + "slt %[temp17], %[" #TEMP4 "], $zero \n\t" \ + "slt %[temp18], %[" #TEMP8 "], $zero \n\t" \ + "slt %[temp19], %[" #TEMP12 "], $zero \n\t" \ + "movn %[" #TEMP0 "], $zero, %[temp16] \n\t" \ + "movn %[" #TEMP4 "], $zero, %[temp17] \n\t" \ + "movn %[" #TEMP8 "], $zero, %[temp18] \n\t" \ + "movn %[" #TEMP12 "], $zero, %[temp19] \n\t" \ + "addiu %[temp20], $zero, 255 \n\t" \ + "slt %[temp16], %[" #TEMP0 "], %[temp20] \n\t" \ + "slt %[temp17], %[" #TEMP4 "], %[temp20] \n\t" \ + "slt %[temp18], %[" #TEMP8 "], %[temp20] \n\t" \ + "slt %[temp19], %[" #TEMP12 "], %[temp20] \n\t" \ + "movz %[" #TEMP0 "], %[temp20], %[temp16] \n\t" \ + "movz %[" #TEMP4 "], %[temp20], %[temp17] \n\t" \ + "lw %[temp16], 8(%[args]) \n\t" \ + "movz %[" #TEMP8 "], %[temp20], %[temp18] \n\t" \ + "movz %[" #TEMP12 "], %[temp20], %[temp19] \n\t" \ + "sb %[" #TEMP0 "], 0+" XSTR(BPS) "*" #A "(%[temp16]) \n\t" \ + "sb %[" #TEMP4 "], 1+" XSTR(BPS) "*" #A "(%[temp16]) \n\t" \ + "sb %[" #TEMP8 "], 2+" XSTR(BPS) "*" #A "(%[temp16]) \n\t" \ + "sb %[" #TEMP12 "], 3+" XSTR(BPS) "*" #A "(%[temp16]) \n\t" + +// Does one or two inverse transforms. +static WEBP_INLINE void ITransformOne_MIPS32(const uint8_t* ref, + const int16_t* in, + uint8_t* dst) { + int temp0, temp1, temp2, temp3, temp4, temp5, temp6; + int temp7, temp8, temp9, temp10, temp11, temp12, temp13; + int temp14, temp15, temp16, temp17, temp18, temp19, temp20; + const int* args[3] = {(const int*)ref, (const int*)in, (const int*)dst}; + + __asm__ volatile( + "lw %[temp20], 4(%[args]) \n\t" + VERTICAL_PASS(0, 16, 8, 24, temp4, temp0, temp1, temp2, temp3) + VERTICAL_PASS(2, 18, 10, 26, temp8, temp4, temp5, temp6, temp7) + VERTICAL_PASS(4, 20, 12, 28, temp12, temp8, temp9, temp10, temp11) + VERTICAL_PASS(6, 22, 14, 30, temp20, temp12, temp13, temp14, temp15) + + HORIZONTAL_PASS(0, temp0, temp4, temp8, temp12) + HORIZONTAL_PASS(1, temp1, temp5, temp9, temp13) + HORIZONTAL_PASS(2, temp2, temp6, temp10, temp14) + HORIZONTAL_PASS(3, temp3, temp7, temp11, temp15) + + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), + [temp9]"=&r"(temp9), [temp10]"=&r"(temp10), [temp11]"=&r"(temp11), + [temp12]"=&r"(temp12), [temp13]"=&r"(temp13), [temp14]"=&r"(temp14), + [temp15]"=&r"(temp15), [temp16]"=&r"(temp16), [temp17]"=&r"(temp17), + [temp18]"=&r"(temp18), [temp19]"=&r"(temp19), [temp20]"=&r"(temp20) + : [args]"r"(args), [kC1]"r"(kC1), [kC2]"r"(kC2) + : "memory", "hi", "lo" + ); +} + +static void ITransform_MIPS32(const uint8_t* ref, const int16_t* in, + uint8_t* dst, int do_two) { + ITransformOne_MIPS32(ref, in, dst); + if (do_two) { + ITransformOne_MIPS32(ref + 4, in + 16, dst + 4); + } +} + +#undef VERTICAL_PASS +#undef HORIZONTAL_PASS + +// macro for one pass through for loop in QuantizeBlock +// QUANTDIV macro inlined +// J - offset in bytes (kZigzag[n] * 2) +// K - offset in bytes (kZigzag[n] * 4) +// N - offset in bytes (n * 2) +#define QUANTIZE_ONE(J, K, N) \ + "lh %[temp0], " #J "(%[ppin]) \n\t" \ + "lhu %[temp1], " #J "(%[ppsharpen]) \n\t" \ + "lw %[temp2], " #K "(%[ppzthresh]) \n\t" \ + "sra %[sign], %[temp0], 15 \n\t" \ + "xor %[coeff], %[temp0], %[sign] \n\t" \ + "subu %[coeff], %[coeff], %[sign] \n\t" \ + "addu %[coeff], %[coeff], %[temp1] \n\t" \ + "slt %[temp4], %[temp2], %[coeff] \n\t" \ + "addiu %[temp5], $zero, 0 \n\t" \ + "addiu %[level], $zero, 0 \n\t" \ + "beqz %[temp4], 2f \n\t" \ + "lhu %[temp1], " #J "(%[ppiq]) \n\t" \ + "lw %[temp2], " #K "(%[ppbias]) \n\t" \ + "lhu %[temp3], " #J "(%[ppq]) \n\t" \ + "mul %[level], %[coeff], %[temp1] \n\t" \ + "addu %[level], %[level], %[temp2] \n\t" \ + "sra %[level], %[level], 17 \n\t" \ + "slt %[temp4], %[max_level], %[level] \n\t" \ + "movn %[level], %[max_level], %[temp4] \n\t" \ + "xor %[level], %[level], %[sign] \n\t" \ + "subu %[level], %[level], %[sign] \n\t" \ + "mul %[temp5], %[level], %[temp3] \n\t" \ +"2: \n\t" \ + "sh %[temp5], " #J "(%[ppin]) \n\t" \ + "sh %[level], " #N "(%[pout]) \n\t" + +static int QuantizeBlock_MIPS32(int16_t in[16], int16_t out[16], + const VP8Matrix* const mtx) { + int temp0, temp1, temp2, temp3, temp4, temp5; + int sign, coeff, level, i; + int max_level = MAX_LEVEL; + + int16_t* ppin = &in[0]; + int16_t* pout = &out[0]; + const uint16_t* ppsharpen = &mtx->sharpen_[0]; + const uint32_t* ppzthresh = &mtx->zthresh_[0]; + const uint16_t* ppq = &mtx->q_[0]; + const uint16_t* ppiq = &mtx->iq_[0]; + const uint32_t* ppbias = &mtx->bias_[0]; + + __asm__ volatile( + QUANTIZE_ONE( 0, 0, 0) + QUANTIZE_ONE( 2, 4, 2) + QUANTIZE_ONE( 8, 16, 4) + QUANTIZE_ONE(16, 32, 6) + QUANTIZE_ONE(10, 20, 8) + QUANTIZE_ONE( 4, 8, 10) + QUANTIZE_ONE( 6, 12, 12) + QUANTIZE_ONE(12, 24, 14) + QUANTIZE_ONE(18, 36, 16) + QUANTIZE_ONE(24, 48, 18) + QUANTIZE_ONE(26, 52, 20) + QUANTIZE_ONE(20, 40, 22) + QUANTIZE_ONE(14, 28, 24) + QUANTIZE_ONE(22, 44, 26) + QUANTIZE_ONE(28, 56, 28) + QUANTIZE_ONE(30, 60, 30) + + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), + [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), + [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [sign]"=&r"(sign), [coeff]"=&r"(coeff), + [level]"=&r"(level) + : [pout]"r"(pout), [ppin]"r"(ppin), + [ppiq]"r"(ppiq), [max_level]"r"(max_level), + [ppbias]"r"(ppbias), [ppzthresh]"r"(ppzthresh), + [ppsharpen]"r"(ppsharpen), [ppq]"r"(ppq) + : "memory", "hi", "lo" + ); + + // moved out from macro to increase possibility for earlier breaking + for (i = 15; i >= 0; i--) { + if (out[i]) return 1; + } + return 0; +} + +static int Quantize2Blocks_MIPS32(int16_t in[32], int16_t out[32], + const VP8Matrix* const mtx) { + int nz; + nz = QuantizeBlock_MIPS32(in + 0 * 16, out + 0 * 16, mtx) << 0; + nz |= QuantizeBlock_MIPS32(in + 1 * 16, out + 1 * 16, mtx) << 1; + return nz; +} + +#undef QUANTIZE_ONE + +// macro for one horizontal pass in Disto4x4 (TTransform) +// two calls of function TTransform are merged into single one +// A - offset in bytes to load from a and b buffers +// E..H - offsets in bytes to store first results to tmp buffer +// E1..H1 - offsets in bytes to store second results to tmp buffer +#define HORIZONTAL_PASS(A, E, F, G, H, E1, F1, G1, H1) \ + "lbu %[temp0], 0+" XSTR(BPS) "*" #A "(%[a]) \n\t" \ + "lbu %[temp1], 1+" XSTR(BPS) "*" #A "(%[a]) \n\t" \ + "lbu %[temp2], 2+" XSTR(BPS) "*" #A "(%[a]) \n\t" \ + "lbu %[temp3], 3+" XSTR(BPS) "*" #A "(%[a]) \n\t" \ + "lbu %[temp4], 0+" XSTR(BPS) "*" #A "(%[b]) \n\t" \ + "lbu %[temp5], 1+" XSTR(BPS) "*" #A "(%[b]) \n\t" \ + "lbu %[temp6], 2+" XSTR(BPS) "*" #A "(%[b]) \n\t" \ + "lbu %[temp7], 3+" XSTR(BPS) "*" #A "(%[b]) \n\t" \ + "addu %[temp8], %[temp0], %[temp2] \n\t" \ + "subu %[temp0], %[temp0], %[temp2] \n\t" \ + "addu %[temp2], %[temp1], %[temp3] \n\t" \ + "subu %[temp1], %[temp1], %[temp3] \n\t" \ + "addu %[temp3], %[temp4], %[temp6] \n\t" \ + "subu %[temp4], %[temp4], %[temp6] \n\t" \ + "addu %[temp6], %[temp5], %[temp7] \n\t" \ + "subu %[temp5], %[temp5], %[temp7] \n\t" \ + "addu %[temp7], %[temp8], %[temp2] \n\t" \ + "subu %[temp2], %[temp8], %[temp2] \n\t" \ + "addu %[temp8], %[temp0], %[temp1] \n\t" \ + "subu %[temp0], %[temp0], %[temp1] \n\t" \ + "addu %[temp1], %[temp3], %[temp6] \n\t" \ + "subu %[temp3], %[temp3], %[temp6] \n\t" \ + "addu %[temp6], %[temp4], %[temp5] \n\t" \ + "subu %[temp4], %[temp4], %[temp5] \n\t" \ + "sw %[temp7], " #E "(%[tmp]) \n\t" \ + "sw %[temp2], " #H "(%[tmp]) \n\t" \ + "sw %[temp8], " #F "(%[tmp]) \n\t" \ + "sw %[temp0], " #G "(%[tmp]) \n\t" \ + "sw %[temp1], " #E1 "(%[tmp]) \n\t" \ + "sw %[temp3], " #H1 "(%[tmp]) \n\t" \ + "sw %[temp6], " #F1 "(%[tmp]) \n\t" \ + "sw %[temp4], " #G1 "(%[tmp]) \n\t" + +// macro for one vertical pass in Disto4x4 (TTransform) +// two calls of function TTransform are merged into single one +// since only one accu is available in mips32r1 instruction set +// first is done second call of function TTransform and after +// that first one. +// const int sum1 = TTransform(a, w); +// const int sum2 = TTransform(b, w); +// return abs(sum2 - sum1) >> 5; +// (sum2 - sum1) is calculated with madds (sub2) and msubs (sub1) +// A..D - offsets in bytes to load first results from tmp buffer +// A1..D1 - offsets in bytes to load second results from tmp buffer +// E..H - offsets in bytes to load from w buffer +#define VERTICAL_PASS(A, B, C, D, A1, B1, C1, D1, E, F, G, H) \ + "lw %[temp0], " #A1 "(%[tmp]) \n\t" \ + "lw %[temp1], " #C1 "(%[tmp]) \n\t" \ + "lw %[temp2], " #B1 "(%[tmp]) \n\t" \ + "lw %[temp3], " #D1 "(%[tmp]) \n\t" \ + "addu %[temp8], %[temp0], %[temp1] \n\t" \ + "subu %[temp0], %[temp0], %[temp1] \n\t" \ + "addu %[temp1], %[temp2], %[temp3] \n\t" \ + "subu %[temp2], %[temp2], %[temp3] \n\t" \ + "addu %[temp3], %[temp8], %[temp1] \n\t" \ + "subu %[temp8], %[temp8], %[temp1] \n\t" \ + "addu %[temp1], %[temp0], %[temp2] \n\t" \ + "subu %[temp0], %[temp0], %[temp2] \n\t" \ + "sra %[temp4], %[temp3], 31 \n\t" \ + "sra %[temp5], %[temp1], 31 \n\t" \ + "sra %[temp6], %[temp0], 31 \n\t" \ + "sra %[temp7], %[temp8], 31 \n\t" \ + "xor %[temp3], %[temp3], %[temp4] \n\t" \ + "xor %[temp1], %[temp1], %[temp5] \n\t" \ + "xor %[temp0], %[temp0], %[temp6] \n\t" \ + "xor %[temp8], %[temp8], %[temp7] \n\t" \ + "subu %[temp3], %[temp3], %[temp4] \n\t" \ + "subu %[temp1], %[temp1], %[temp5] \n\t" \ + "subu %[temp0], %[temp0], %[temp6] \n\t" \ + "subu %[temp8], %[temp8], %[temp7] \n\t" \ + "lhu %[temp4], " #E "(%[w]) \n\t" \ + "lhu %[temp5], " #F "(%[w]) \n\t" \ + "lhu %[temp6], " #G "(%[w]) \n\t" \ + "lhu %[temp7], " #H "(%[w]) \n\t" \ + "madd %[temp4], %[temp3] \n\t" \ + "madd %[temp5], %[temp1] \n\t" \ + "madd %[temp6], %[temp0] \n\t" \ + "madd %[temp7], %[temp8] \n\t" \ + "lw %[temp0], " #A "(%[tmp]) \n\t" \ + "lw %[temp1], " #C "(%[tmp]) \n\t" \ + "lw %[temp2], " #B "(%[tmp]) \n\t" \ + "lw %[temp3], " #D "(%[tmp]) \n\t" \ + "addu %[temp8], %[temp0], %[temp1] \n\t" \ + "subu %[temp0], %[temp0], %[temp1] \n\t" \ + "addu %[temp1], %[temp2], %[temp3] \n\t" \ + "subu %[temp2], %[temp2], %[temp3] \n\t" \ + "addu %[temp3], %[temp8], %[temp1] \n\t" \ + "subu %[temp1], %[temp8], %[temp1] \n\t" \ + "addu %[temp8], %[temp0], %[temp2] \n\t" \ + "subu %[temp0], %[temp0], %[temp2] \n\t" \ + "sra %[temp2], %[temp3], 31 \n\t" \ + "xor %[temp3], %[temp3], %[temp2] \n\t" \ + "subu %[temp3], %[temp3], %[temp2] \n\t" \ + "msub %[temp4], %[temp3] \n\t" \ + "sra %[temp2], %[temp8], 31 \n\t" \ + "sra %[temp3], %[temp0], 31 \n\t" \ + "sra %[temp4], %[temp1], 31 \n\t" \ + "xor %[temp8], %[temp8], %[temp2] \n\t" \ + "xor %[temp0], %[temp0], %[temp3] \n\t" \ + "xor %[temp1], %[temp1], %[temp4] \n\t" \ + "subu %[temp8], %[temp8], %[temp2] \n\t" \ + "subu %[temp0], %[temp0], %[temp3] \n\t" \ + "subu %[temp1], %[temp1], %[temp4] \n\t" \ + "msub %[temp5], %[temp8] \n\t" \ + "msub %[temp6], %[temp0] \n\t" \ + "msub %[temp7], %[temp1] \n\t" + +static int Disto4x4_MIPS32(const uint8_t* const a, const uint8_t* const b, + const uint16_t* const w) { + int tmp[32]; + int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8; + + __asm__ volatile( + HORIZONTAL_PASS(0, 0, 4, 8, 12, 64, 68, 72, 76) + HORIZONTAL_PASS(1, 16, 20, 24, 28, 80, 84, 88, 92) + HORIZONTAL_PASS(2, 32, 36, 40, 44, 96, 100, 104, 108) + HORIZONTAL_PASS(3, 48, 52, 56, 60, 112, 116, 120, 124) + "mthi $zero \n\t" + "mtlo $zero \n\t" + VERTICAL_PASS( 0, 16, 32, 48, 64, 80, 96, 112, 0, 8, 16, 24) + VERTICAL_PASS( 4, 20, 36, 52, 68, 84, 100, 116, 2, 10, 18, 26) + VERTICAL_PASS( 8, 24, 40, 56, 72, 88, 104, 120, 4, 12, 20, 28) + VERTICAL_PASS(12, 28, 44, 60, 76, 92, 108, 124, 6, 14, 22, 30) + "mflo %[temp0] \n\t" + "sra %[temp1], %[temp0], 31 \n\t" + "xor %[temp0], %[temp0], %[temp1] \n\t" + "subu %[temp0], %[temp0], %[temp1] \n\t" + "sra %[temp0], %[temp0], 5 \n\t" + + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8) + : [a]"r"(a), [b]"r"(b), [w]"r"(w), [tmp]"r"(tmp) + : "memory", "hi", "lo" + ); + + return temp0; +} + +#undef VERTICAL_PASS +#undef HORIZONTAL_PASS + +static int Disto16x16_MIPS32(const uint8_t* const a, const uint8_t* const b, + const uint16_t* const w) { + int D = 0; + int x, y; + for (y = 0; y < 16 * BPS; y += 4 * BPS) { + for (x = 0; x < 16; x += 4) { + D += Disto4x4_MIPS32(a + x + y, b + x + y, w); + } + } + return D; +} + +// macro for one horizontal pass in FTransform +// temp0..temp15 holds tmp[0]..tmp[15] +// A - offset in bytes to load from src and ref buffers +// TEMP0..TEMP3 - registers for corresponding tmp elements +#define HORIZONTAL_PASS(A, TEMP0, TEMP1, TEMP2, TEMP3) \ + "lw %[" #TEMP1 "], 0(%[args]) \n\t" \ + "lw %[" #TEMP2 "], 4(%[args]) \n\t" \ + "lbu %[temp16], 0+" XSTR(BPS) "*" #A "(%[" #TEMP1 "]) \n\t" \ + "lbu %[temp17], 0+" XSTR(BPS) "*" #A "(%[" #TEMP2 "]) \n\t" \ + "lbu %[temp18], 1+" XSTR(BPS) "*" #A "(%[" #TEMP1 "]) \n\t" \ + "lbu %[temp19], 1+" XSTR(BPS) "*" #A "(%[" #TEMP2 "]) \n\t" \ + "subu %[temp20], %[temp16], %[temp17] \n\t" \ + "lbu %[temp16], 2+" XSTR(BPS) "*" #A "(%[" #TEMP1 "]) \n\t" \ + "lbu %[temp17], 2+" XSTR(BPS) "*" #A "(%[" #TEMP2 "]) \n\t" \ + "subu %[" #TEMP0 "], %[temp18], %[temp19] \n\t" \ + "lbu %[temp18], 3+" XSTR(BPS) "*" #A "(%[" #TEMP1 "]) \n\t" \ + "lbu %[temp19], 3+" XSTR(BPS) "*" #A "(%[" #TEMP2 "]) \n\t" \ + "subu %[" #TEMP1 "], %[temp16], %[temp17] \n\t" \ + "subu %[" #TEMP2 "], %[temp18], %[temp19] \n\t" \ + "addu %[" #TEMP3 "], %[temp20], %[" #TEMP2 "] \n\t" \ + "subu %[" #TEMP2 "], %[temp20], %[" #TEMP2 "] \n\t" \ + "addu %[temp20], %[" #TEMP0 "], %[" #TEMP1 "] \n\t" \ + "subu %[" #TEMP0 "], %[" #TEMP0 "], %[" #TEMP1 "] \n\t" \ + "mul %[temp16], %[" #TEMP2 "], %[c5352] \n\t" \ + "mul %[temp17], %[" #TEMP2 "], %[c2217] \n\t" \ + "mul %[temp18], %[" #TEMP0 "], %[c5352] \n\t" \ + "mul %[temp19], %[" #TEMP0 "], %[c2217] \n\t" \ + "addu %[" #TEMP1 "], %[" #TEMP3 "], %[temp20] \n\t" \ + "subu %[temp20], %[" #TEMP3 "], %[temp20] \n\t" \ + "sll %[" #TEMP0 "], %[" #TEMP1 "], 3 \n\t" \ + "sll %[" #TEMP2 "], %[temp20], 3 \n\t" \ + "addiu %[temp16], %[temp16], 1812 \n\t" \ + "addiu %[temp17], %[temp17], 937 \n\t" \ + "addu %[temp16], %[temp16], %[temp19] \n\t" \ + "subu %[temp17], %[temp17], %[temp18] \n\t" \ + "sra %[" #TEMP1 "], %[temp16], 9 \n\t" \ + "sra %[" #TEMP3 "], %[temp17], 9 \n\t" + +// macro for one vertical pass in FTransform +// temp0..temp15 holds tmp[0]..tmp[15] +// A..D - offsets in bytes to store to out buffer +// TEMP0, TEMP4, TEMP8 and TEMP12 - registers for corresponding tmp elements +#define VERTICAL_PASS(A, B, C, D, TEMP0, TEMP4, TEMP8, TEMP12) \ + "addu %[temp16], %[" #TEMP0 "], %[" #TEMP12 "] \n\t" \ + "subu %[temp19], %[" #TEMP0 "], %[" #TEMP12 "] \n\t" \ + "addu %[temp17], %[" #TEMP4 "], %[" #TEMP8 "] \n\t" \ + "subu %[temp18], %[" #TEMP4 "], %[" #TEMP8 "] \n\t" \ + "mul %[" #TEMP8 "], %[temp19], %[c2217] \n\t" \ + "mul %[" #TEMP12 "], %[temp18], %[c2217] \n\t" \ + "mul %[" #TEMP4 "], %[temp19], %[c5352] \n\t" \ + "mul %[temp18], %[temp18], %[c5352] \n\t" \ + "addiu %[temp16], %[temp16], 7 \n\t" \ + "addu %[" #TEMP0 "], %[temp16], %[temp17] \n\t" \ + "sra %[" #TEMP0 "], %[" #TEMP0 "], 4 \n\t" \ + "addu %[" #TEMP12 "], %[" #TEMP12 "], %[" #TEMP4 "] \n\t" \ + "subu %[" #TEMP4 "], %[temp16], %[temp17] \n\t" \ + "sra %[" #TEMP4 "], %[" #TEMP4 "], 4 \n\t" \ + "addiu %[" #TEMP8 "], %[" #TEMP8 "], 30000 \n\t" \ + "addiu %[" #TEMP12 "], %[" #TEMP12 "], 12000 \n\t" \ + "addiu %[" #TEMP8 "], %[" #TEMP8 "], 21000 \n\t" \ + "subu %[" #TEMP8 "], %[" #TEMP8 "], %[temp18] \n\t" \ + "sra %[" #TEMP12 "], %[" #TEMP12 "], 16 \n\t" \ + "sra %[" #TEMP8 "], %[" #TEMP8 "], 16 \n\t" \ + "addiu %[temp16], %[" #TEMP12 "], 1 \n\t" \ + "movn %[" #TEMP12 "], %[temp16], %[temp19] \n\t" \ + "sh %[" #TEMP0 "], " #A "(%[temp20]) \n\t" \ + "sh %[" #TEMP4 "], " #C "(%[temp20]) \n\t" \ + "sh %[" #TEMP8 "], " #D "(%[temp20]) \n\t" \ + "sh %[" #TEMP12 "], " #B "(%[temp20]) \n\t" + +static void FTransform_MIPS32(const uint8_t* src, const uint8_t* ref, + int16_t* out) { + int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8; + int temp9, temp10, temp11, temp12, temp13, temp14, temp15, temp16; + int temp17, temp18, temp19, temp20; + const int c2217 = 2217; + const int c5352 = 5352; + const int* const args[3] = + { (const int*)src, (const int*)ref, (const int*)out }; + + __asm__ volatile( + HORIZONTAL_PASS(0, temp0, temp1, temp2, temp3) + HORIZONTAL_PASS(1, temp4, temp5, temp6, temp7) + HORIZONTAL_PASS(2, temp8, temp9, temp10, temp11) + HORIZONTAL_PASS(3, temp12, temp13, temp14, temp15) + "lw %[temp20], 8(%[args]) \n\t" + VERTICAL_PASS(0, 8, 16, 24, temp0, temp4, temp8, temp12) + VERTICAL_PASS(2, 10, 18, 26, temp1, temp5, temp9, temp13) + VERTICAL_PASS(4, 12, 20, 28, temp2, temp6, temp10, temp14) + VERTICAL_PASS(6, 14, 22, 30, temp3, temp7, temp11, temp15) + + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), + [temp9]"=&r"(temp9), [temp10]"=&r"(temp10), [temp11]"=&r"(temp11), + [temp12]"=&r"(temp12), [temp13]"=&r"(temp13), [temp14]"=&r"(temp14), + [temp15]"=&r"(temp15), [temp16]"=&r"(temp16), [temp17]"=&r"(temp17), + [temp18]"=&r"(temp18), [temp19]"=&r"(temp19), [temp20]"=&r"(temp20) + : [args]"r"(args), [c2217]"r"(c2217), [c5352]"r"(c5352) + : "memory", "hi", "lo" + ); +} + +#undef VERTICAL_PASS +#undef HORIZONTAL_PASS + +#if !defined(WORK_AROUND_GCC) + +#define GET_SSE_INNER(A, B, C, D) \ + "lbu %[temp0], " #A "(%[a]) \n\t" \ + "lbu %[temp1], " #A "(%[b]) \n\t" \ + "lbu %[temp2], " #B "(%[a]) \n\t" \ + "lbu %[temp3], " #B "(%[b]) \n\t" \ + "lbu %[temp4], " #C "(%[a]) \n\t" \ + "lbu %[temp5], " #C "(%[b]) \n\t" \ + "lbu %[temp6], " #D "(%[a]) \n\t" \ + "lbu %[temp7], " #D "(%[b]) \n\t" \ + "subu %[temp0], %[temp0], %[temp1] \n\t" \ + "subu %[temp2], %[temp2], %[temp3] \n\t" \ + "subu %[temp4], %[temp4], %[temp5] \n\t" \ + "subu %[temp6], %[temp6], %[temp7] \n\t" \ + "madd %[temp0], %[temp0] \n\t" \ + "madd %[temp2], %[temp2] \n\t" \ + "madd %[temp4], %[temp4] \n\t" \ + "madd %[temp6], %[temp6] \n\t" + +#define GET_SSE(A, B, C, D) \ + GET_SSE_INNER(A, A + 1, A + 2, A + 3) \ + GET_SSE_INNER(B, B + 1, B + 2, B + 3) \ + GET_SSE_INNER(C, C + 1, C + 2, C + 3) \ + GET_SSE_INNER(D, D + 1, D + 2, D + 3) + +static int SSE16x16_MIPS32(const uint8_t* a, const uint8_t* b) { + int count; + int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; + + __asm__ volatile( + "mult $zero, $zero \n\t" + + GET_SSE( 0 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS) + GET_SSE( 1 * BPS, 4 + 1 * BPS, 8 + 1 * BPS, 12 + 1 * BPS) + GET_SSE( 2 * BPS, 4 + 2 * BPS, 8 + 2 * BPS, 12 + 2 * BPS) + GET_SSE( 3 * BPS, 4 + 3 * BPS, 8 + 3 * BPS, 12 + 3 * BPS) + GET_SSE( 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS) + GET_SSE( 5 * BPS, 4 + 5 * BPS, 8 + 5 * BPS, 12 + 5 * BPS) + GET_SSE( 6 * BPS, 4 + 6 * BPS, 8 + 6 * BPS, 12 + 6 * BPS) + GET_SSE( 7 * BPS, 4 + 7 * BPS, 8 + 7 * BPS, 12 + 7 * BPS) + GET_SSE( 8 * BPS, 4 + 8 * BPS, 8 + 8 * BPS, 12 + 8 * BPS) + GET_SSE( 9 * BPS, 4 + 9 * BPS, 8 + 9 * BPS, 12 + 9 * BPS) + GET_SSE(10 * BPS, 4 + 10 * BPS, 8 + 10 * BPS, 12 + 10 * BPS) + GET_SSE(11 * BPS, 4 + 11 * BPS, 8 + 11 * BPS, 12 + 11 * BPS) + GET_SSE(12 * BPS, 4 + 12 * BPS, 8 + 12 * BPS, 12 + 12 * BPS) + GET_SSE(13 * BPS, 4 + 13 * BPS, 8 + 13 * BPS, 12 + 13 * BPS) + GET_SSE(14 * BPS, 4 + 14 * BPS, 8 + 14 * BPS, 12 + 14 * BPS) + GET_SSE(15 * BPS, 4 + 15 * BPS, 8 + 15 * BPS, 12 + 15 * BPS) + + "mflo %[count] \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [count]"=&r"(count) + : [a]"r"(a), [b]"r"(b) + : "memory", "hi", "lo" + ); + return count; +} + +static int SSE16x8_MIPS32(const uint8_t* a, const uint8_t* b) { + int count; + int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; + + __asm__ volatile( + "mult $zero, $zero \n\t" + + GET_SSE( 0 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS) + GET_SSE( 1 * BPS, 4 + 1 * BPS, 8 + 1 * BPS, 12 + 1 * BPS) + GET_SSE( 2 * BPS, 4 + 2 * BPS, 8 + 2 * BPS, 12 + 2 * BPS) + GET_SSE( 3 * BPS, 4 + 3 * BPS, 8 + 3 * BPS, 12 + 3 * BPS) + GET_SSE( 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS) + GET_SSE( 5 * BPS, 4 + 5 * BPS, 8 + 5 * BPS, 12 + 5 * BPS) + GET_SSE( 6 * BPS, 4 + 6 * BPS, 8 + 6 * BPS, 12 + 6 * BPS) + GET_SSE( 7 * BPS, 4 + 7 * BPS, 8 + 7 * BPS, 12 + 7 * BPS) + + "mflo %[count] \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [count]"=&r"(count) + : [a]"r"(a), [b]"r"(b) + : "memory", "hi", "lo" + ); + return count; +} + +static int SSE8x8_MIPS32(const uint8_t* a, const uint8_t* b) { + int count; + int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; + + __asm__ volatile( + "mult $zero, $zero \n\t" + + GET_SSE(0 * BPS, 4 + 0 * BPS, 1 * BPS, 4 + 1 * BPS) + GET_SSE(2 * BPS, 4 + 2 * BPS, 3 * BPS, 4 + 3 * BPS) + GET_SSE(4 * BPS, 4 + 4 * BPS, 5 * BPS, 4 + 5 * BPS) + GET_SSE(6 * BPS, 4 + 6 * BPS, 7 * BPS, 4 + 7 * BPS) + + "mflo %[count] \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [count]"=&r"(count) + : [a]"r"(a), [b]"r"(b) + : "memory", "hi", "lo" + ); + return count; +} + +static int SSE4x4_MIPS32(const uint8_t* a, const uint8_t* b) { + int count; + int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; + + __asm__ volatile( + "mult $zero, $zero \n\t" + + GET_SSE(0 * BPS, 1 * BPS, 2 * BPS, 3 * BPS) + + "mflo %[count] \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [count]"=&r"(count) + : [a]"r"(a), [b]"r"(b) + : "memory", "hi", "lo" + ); + return count; +} + +#undef GET_SSE +#undef GET_SSE_INNER + +#endif // !WORK_AROUND_GCC + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8EncDspInitMIPS32(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInitMIPS32(void) { + VP8ITransform = ITransform_MIPS32; + VP8FTransform = FTransform_MIPS32; + + VP8EncQuantizeBlock = QuantizeBlock_MIPS32; + VP8EncQuantize2Blocks = Quantize2Blocks_MIPS32; + + VP8TDisto4x4 = Disto4x4_MIPS32; + VP8TDisto16x16 = Disto16x16_MIPS32; + +#if !defined(WORK_AROUND_GCC) + VP8SSE16x16 = SSE16x16_MIPS32; + VP8SSE8x8 = SSE8x8_MIPS32; + VP8SSE16x8 = SSE16x8_MIPS32; + VP8SSE4x4 = SSE4x4_MIPS32; +#endif +} + +#else // !WEBP_USE_MIPS32 + +WEBP_DSP_INIT_STUB(VP8EncDspInitMIPS32) + +#endif // WEBP_USE_MIPS32 diff --git a/ProductApp/Pods/libwebp/src/dsp/enc_mips_dsp_r2.c b/ProductApp/Pods/libwebp/src/dsp/enc_mips_dsp_r2.c new file mode 100644 index 0000000..9ddd895 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/enc_mips_dsp_r2.c @@ -0,0 +1,1517 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// MIPS version of speed-critical encoding functions. +// +// Author(s): Darko Laus (darko.laus@imgtec.com) +// Mirko Raus (mirko.raus@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MIPS_DSP_R2) + +#include "src/dsp/mips_macro.h" +#include "src/enc/cost_enc.h" +#include "src/enc/vp8i_enc.h" + +static const int kC1 = 20091 + (1 << 16); +static const int kC2 = 35468; + +// O - output +// I - input (macro doesn't change it) +#define ADD_SUB_HALVES_X4(O0, O1, O2, O3, O4, O5, O6, O7, \ + I0, I1, I2, I3, I4, I5, I6, I7) \ + "addq.ph %[" #O0 "], %[" #I0 "], %[" #I1 "] \n\t" \ + "subq.ph %[" #O1 "], %[" #I0 "], %[" #I1 "] \n\t" \ + "addq.ph %[" #O2 "], %[" #I2 "], %[" #I3 "] \n\t" \ + "subq.ph %[" #O3 "], %[" #I2 "], %[" #I3 "] \n\t" \ + "addq.ph %[" #O4 "], %[" #I4 "], %[" #I5 "] \n\t" \ + "subq.ph %[" #O5 "], %[" #I4 "], %[" #I5 "] \n\t" \ + "addq.ph %[" #O6 "], %[" #I6 "], %[" #I7 "] \n\t" \ + "subq.ph %[" #O7 "], %[" #I6 "], %[" #I7 "] \n\t" + +// IO - input/output +#define ABS_X8(IO0, IO1, IO2, IO3, IO4, IO5, IO6, IO7) \ + "absq_s.ph %[" #IO0 "], %[" #IO0 "] \n\t" \ + "absq_s.ph %[" #IO1 "], %[" #IO1 "] \n\t" \ + "absq_s.ph %[" #IO2 "], %[" #IO2 "] \n\t" \ + "absq_s.ph %[" #IO3 "], %[" #IO3 "] \n\t" \ + "absq_s.ph %[" #IO4 "], %[" #IO4 "] \n\t" \ + "absq_s.ph %[" #IO5 "], %[" #IO5 "] \n\t" \ + "absq_s.ph %[" #IO6 "], %[" #IO6 "] \n\t" \ + "absq_s.ph %[" #IO7 "], %[" #IO7 "] \n\t" + +// dpa.w.ph $ac0 temp0 ,temp1 +// $ac += temp0[31..16] * temp1[31..16] + temp0[15..0] * temp1[15..0] +// dpax.w.ph $ac0 temp0 ,temp1 +// $ac += temp0[31..16] * temp1[15..0] + temp0[15..0] * temp1[31..16] +// O - output +// I - input (macro doesn't change it) +#define MUL_HALF(O0, I0, I1, I2, I3, I4, I5, I6, I7, \ + I8, I9, I10, I11, I12, I13, I14, I15) \ + "mult $ac0, $zero, $zero \n\t" \ + "dpa.w.ph $ac0, %[" #I2 "], %[" #I0 "] \n\t" \ + "dpax.w.ph $ac0, %[" #I5 "], %[" #I6 "] \n\t" \ + "dpa.w.ph $ac0, %[" #I8 "], %[" #I9 "] \n\t" \ + "dpax.w.ph $ac0, %[" #I11 "], %[" #I4 "] \n\t" \ + "dpa.w.ph $ac0, %[" #I12 "], %[" #I7 "] \n\t" \ + "dpax.w.ph $ac0, %[" #I13 "], %[" #I1 "] \n\t" \ + "dpa.w.ph $ac0, %[" #I14 "], %[" #I3 "] \n\t" \ + "dpax.w.ph $ac0, %[" #I15 "], %[" #I10 "] \n\t" \ + "mflo %[" #O0 "], $ac0 \n\t" + +#define OUTPUT_EARLY_CLOBBER_REGS_17() \ + OUTPUT_EARLY_CLOBBER_REGS_10(), \ + [temp11]"=&r"(temp11), [temp12]"=&r"(temp12), [temp13]"=&r"(temp13), \ + [temp14]"=&r"(temp14), [temp15]"=&r"(temp15), [temp16]"=&r"(temp16), \ + [temp17]"=&r"(temp17) + +// macro for one horizontal pass in FTransform +// temp0..temp15 holds tmp[0]..tmp[15] +// A - offset in bytes to load from src and ref buffers +// TEMP0..TEMP3 - registers for corresponding tmp elements +#define HORIZONTAL_PASS(A, TEMP0, TEMP1, TEMP2, TEMP3) \ + "lw %[" #TEMP0 "], 0(%[args]) \n\t" \ + "lw %[" #TEMP1 "], 4(%[args]) \n\t" \ + "lw %[" #TEMP2 "], " XSTR(BPS) "*" #A "(%[" #TEMP0 "]) \n\t" \ + "lw %[" #TEMP3 "], " XSTR(BPS) "*" #A "(%[" #TEMP1 "]) \n\t" \ + "preceu.ph.qbl %[" #TEMP0 "], %[" #TEMP2 "] \n\t" \ + "preceu.ph.qbl %[" #TEMP1 "], %[" #TEMP3 "] \n\t" \ + "preceu.ph.qbr %[" #TEMP2 "], %[" #TEMP2 "] \n\t" \ + "preceu.ph.qbr %[" #TEMP3 "], %[" #TEMP3 "] \n\t" \ + "subq.ph %[" #TEMP0 "], %[" #TEMP0 "], %[" #TEMP1 "] \n\t" \ + "subq.ph %[" #TEMP2 "], %[" #TEMP2 "], %[" #TEMP3 "] \n\t" \ + "rotr %[" #TEMP0 "], %[" #TEMP0 "], 16 \n\t" \ + "addq.ph %[" #TEMP1 "], %[" #TEMP2 "], %[" #TEMP0 "] \n\t" \ + "subq.ph %[" #TEMP3 "], %[" #TEMP2 "], %[" #TEMP0 "] \n\t" \ + "seh %[" #TEMP0 "], %[" #TEMP1 "] \n\t" \ + "sra %[temp16], %[" #TEMP1 "], 16 \n\t" \ + "seh %[temp19], %[" #TEMP3 "] \n\t" \ + "sra %[" #TEMP3 "], %[" #TEMP3 "], 16 \n\t" \ + "subu %[" #TEMP2 "], %[" #TEMP0 "], %[temp16] \n\t" \ + "addu %[" #TEMP0 "], %[" #TEMP0 "], %[temp16] \n\t" \ + "mul %[temp17], %[temp19], %[c2217] \n\t" \ + "mul %[temp18], %[" #TEMP3 "], %[c5352] \n\t" \ + "mul %[" #TEMP1 "], %[temp19], %[c5352] \n\t" \ + "mul %[temp16], %[" #TEMP3 "], %[c2217] \n\t" \ + "sll %[" #TEMP2 "], %[" #TEMP2 "], 3 \n\t" \ + "sll %[" #TEMP0 "], %[" #TEMP0 "], 3 \n\t" \ + "subu %[" #TEMP3 "], %[temp17], %[temp18] \n\t" \ + "addu %[" #TEMP1 "], %[temp16], %[" #TEMP1 "] \n\t" \ + "addiu %[" #TEMP3 "], %[" #TEMP3 "], 937 \n\t" \ + "addiu %[" #TEMP1 "], %[" #TEMP1 "], 1812 \n\t" \ + "sra %[" #TEMP3 "], %[" #TEMP3 "], 9 \n\t" \ + "sra %[" #TEMP1 "], %[" #TEMP1 "], 9 \n\t" + +// macro for one vertical pass in FTransform +// temp0..temp15 holds tmp[0]..tmp[15] +// A..D - offsets in bytes to store to out buffer +// TEMP0, TEMP4, TEMP8 and TEMP12 - registers for corresponding tmp elements +#define VERTICAL_PASS(A, B, C, D, TEMP0, TEMP4, TEMP8, TEMP12) \ + "addu %[temp16], %[" #TEMP0 "], %[" #TEMP12 "] \n\t" \ + "subu %[temp19], %[" #TEMP0 "], %[" #TEMP12 "] \n\t" \ + "addu %[temp17], %[" #TEMP4 "], %[" #TEMP8 "] \n\t" \ + "subu %[temp18], %[" #TEMP4 "], %[" #TEMP8 "] \n\t" \ + "mul %[" #TEMP8 "], %[temp19], %[c2217] \n\t" \ + "mul %[" #TEMP12 "], %[temp18], %[c2217] \n\t" \ + "mul %[" #TEMP4 "], %[temp19], %[c5352] \n\t" \ + "mul %[temp18], %[temp18], %[c5352] \n\t" \ + "addiu %[temp16], %[temp16], 7 \n\t" \ + "addu %[" #TEMP0 "], %[temp16], %[temp17] \n\t" \ + "sra %[" #TEMP0 "], %[" #TEMP0 "], 4 \n\t" \ + "addu %[" #TEMP12 "], %[" #TEMP12 "], %[" #TEMP4 "] \n\t" \ + "subu %[" #TEMP4 "], %[temp16], %[temp17] \n\t" \ + "sra %[" #TEMP4 "], %[" #TEMP4 "], 4 \n\t" \ + "addiu %[" #TEMP8 "], %[" #TEMP8 "], 30000 \n\t" \ + "addiu %[" #TEMP12 "], %[" #TEMP12 "], 12000 \n\t" \ + "addiu %[" #TEMP8 "], %[" #TEMP8 "], 21000 \n\t" \ + "subu %[" #TEMP8 "], %[" #TEMP8 "], %[temp18] \n\t" \ + "sra %[" #TEMP12 "], %[" #TEMP12 "], 16 \n\t" \ + "sra %[" #TEMP8 "], %[" #TEMP8 "], 16 \n\t" \ + "addiu %[temp16], %[" #TEMP12 "], 1 \n\t" \ + "movn %[" #TEMP12 "], %[temp16], %[temp19] \n\t" \ + "sh %[" #TEMP0 "], " #A "(%[temp20]) \n\t" \ + "sh %[" #TEMP4 "], " #C "(%[temp20]) \n\t" \ + "sh %[" #TEMP8 "], " #D "(%[temp20]) \n\t" \ + "sh %[" #TEMP12 "], " #B "(%[temp20]) \n\t" + +static void FTransform_MIPSdspR2(const uint8_t* src, const uint8_t* ref, + int16_t* out) { + const int c2217 = 2217; + const int c5352 = 5352; + int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8; + int temp9, temp10, temp11, temp12, temp13, temp14, temp15, temp16; + int temp17, temp18, temp19, temp20; + const int* const args[3] = + { (const int*)src, (const int*)ref, (const int*)out }; + + __asm__ volatile ( + HORIZONTAL_PASS(0, temp0, temp1, temp2, temp3) + HORIZONTAL_PASS(1, temp4, temp5, temp6, temp7) + HORIZONTAL_PASS(2, temp8, temp9, temp10, temp11) + HORIZONTAL_PASS(3, temp12, temp13, temp14, temp15) + "lw %[temp20], 8(%[args]) \n\t" + VERTICAL_PASS(0, 8, 16, 24, temp0, temp4, temp8, temp12) + VERTICAL_PASS(2, 10, 18, 26, temp1, temp5, temp9, temp13) + VERTICAL_PASS(4, 12, 20, 28, temp2, temp6, temp10, temp14) + VERTICAL_PASS(6, 14, 22, 30, temp3, temp7, temp11, temp15) + OUTPUT_EARLY_CLOBBER_REGS_18(), + [temp0]"=&r"(temp0), [temp19]"=&r"(temp19), [temp20]"=&r"(temp20) + : [args]"r"(args), [c2217]"r"(c2217), [c5352]"r"(c5352) + : "memory", "hi", "lo" + ); +} + +#undef VERTICAL_PASS +#undef HORIZONTAL_PASS + +static WEBP_INLINE void ITransformOne(const uint8_t* ref, const int16_t* in, + uint8_t* dst) { + int temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9; + int temp10, temp11, temp12, temp13, temp14, temp15, temp16, temp17, temp18; + + __asm__ volatile ( + "ulw %[temp1], 0(%[in]) \n\t" + "ulw %[temp2], 16(%[in]) \n\t" + LOAD_IN_X2(temp5, temp6, 24, 26) + ADD_SUB_HALVES(temp3, temp4, temp1, temp2) + LOAD_IN_X2(temp1, temp2, 8, 10) + MUL_SHIFT_SUM(temp7, temp8, temp9, temp10, temp11, temp12, temp13, temp14, + temp10, temp8, temp9, temp7, temp1, temp2, temp5, temp6, + temp13, temp11, temp14, temp12) + INSERT_HALF_X2(temp8, temp7, temp10, temp9) + "ulw %[temp17], 4(%[in]) \n\t" + "ulw %[temp18], 20(%[in]) \n\t" + ADD_SUB_HALVES(temp1, temp2, temp3, temp8) + ADD_SUB_HALVES(temp5, temp6, temp4, temp7) + ADD_SUB_HALVES(temp7, temp8, temp17, temp18) + LOAD_IN_X2(temp17, temp18, 12, 14) + LOAD_IN_X2(temp9, temp10, 28, 30) + MUL_SHIFT_SUM(temp11, temp12, temp13, temp14, temp15, temp16, temp4, temp17, + temp12, temp14, temp11, temp13, temp17, temp18, temp9, temp10, + temp15, temp4, temp16, temp17) + INSERT_HALF_X2(temp11, temp12, temp13, temp14) + ADD_SUB_HALVES(temp17, temp8, temp8, temp11) + ADD_SUB_HALVES(temp3, temp4, temp7, temp12) + + // horizontal + SRA_16(temp9, temp10, temp11, temp12, temp1, temp2, temp5, temp6) + INSERT_HALF_X2(temp1, temp6, temp5, temp2) + SRA_16(temp13, temp14, temp15, temp16, temp3, temp4, temp17, temp8) + "repl.ph %[temp2], 0x4 \n\t" + INSERT_HALF_X2(temp3, temp8, temp17, temp4) + "addq.ph %[temp1], %[temp1], %[temp2] \n\t" + "addq.ph %[temp6], %[temp6], %[temp2] \n\t" + ADD_SUB_HALVES(temp2, temp4, temp1, temp3) + ADD_SUB_HALVES(temp5, temp7, temp6, temp8) + MUL_SHIFT_SUM(temp1, temp3, temp6, temp8, temp9, temp13, temp17, temp18, + temp3, temp13, temp1, temp9, temp9, temp13, temp11, temp15, + temp6, temp17, temp8, temp18) + MUL_SHIFT_SUM(temp6, temp8, temp18, temp17, temp11, temp15, temp12, temp16, + temp8, temp15, temp6, temp11, temp12, temp16, temp10, temp14, + temp18, temp12, temp17, temp16) + INSERT_HALF_X2(temp1, temp3, temp9, temp13) + INSERT_HALF_X2(temp6, temp8, temp11, temp15) + SHIFT_R_SUM_X2(temp9, temp10, temp11, temp12, temp13, temp14, temp15, + temp16, temp2, temp4, temp5, temp7, temp3, temp1, temp8, + temp6) + PACK_2_HALVES_TO_WORD(temp1, temp2, temp3, temp4, temp9, temp12, temp13, + temp16, temp11, temp10, temp15, temp14) + LOAD_WITH_OFFSET_X4(temp10, temp11, temp14, temp15, ref, + 0, 0, 0, 0, + 0, 1, 2, 3, + BPS) + CONVERT_2_BYTES_TO_HALF(temp5, temp6, temp7, temp8, temp17, temp18, temp10, + temp11, temp10, temp11, temp14, temp15) + STORE_SAT_SUM_X2(temp5, temp6, temp7, temp8, temp17, temp18, temp10, temp11, + temp9, temp12, temp1, temp2, temp13, temp16, temp3, temp4, + dst, 0, 1, 2, 3, BPS) + + OUTPUT_EARLY_CLOBBER_REGS_18() + : [dst]"r"(dst), [in]"r"(in), [kC1]"r"(kC1), [kC2]"r"(kC2), [ref]"r"(ref) + : "memory", "hi", "lo" + ); +} + +static void ITransform_MIPSdspR2(const uint8_t* ref, const int16_t* in, + uint8_t* dst, int do_two) { + ITransformOne(ref, in, dst); + if (do_two) { + ITransformOne(ref + 4, in + 16, dst + 4); + } +} + +static int Disto4x4_MIPSdspR2(const uint8_t* const a, const uint8_t* const b, + const uint16_t* const w) { + int temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9; + int temp10, temp11, temp12, temp13, temp14, temp15, temp16, temp17; + + __asm__ volatile ( + LOAD_WITH_OFFSET_X4(temp1, temp2, temp3, temp4, a, + 0, 0, 0, 0, + 0, 1, 2, 3, + BPS) + CONVERT_2_BYTES_TO_HALF(temp5, temp6, temp7, temp8, temp9,temp10, temp11, + temp12, temp1, temp2, temp3, temp4) + ADD_SUB_HALVES_X4(temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, + temp5, temp6, temp7, temp8, temp9, temp10, temp11, temp12) + PACK_2_HALVES_TO_WORD(temp9, temp10, temp11, temp12, temp1, temp3, temp5, + temp7, temp2, temp4, temp6, temp8) + ADD_SUB_HALVES_X4(temp2, temp4, temp6, temp8, temp9, temp1, temp3, temp10, + temp1, temp9, temp3, temp10, temp5, temp11, temp7, temp12) + ADD_SUB_HALVES_X4(temp5, temp11, temp7, temp2, temp9, temp3, temp6, temp12, + temp2, temp9, temp6, temp3, temp4, temp1, temp8, temp10) + ADD_SUB_HALVES_X4(temp1, temp4, temp10, temp8, temp7, temp11, temp5, temp2, + temp5, temp7, temp11, temp2, temp9, temp6, temp3, temp12) + ABS_X8(temp1, temp4, temp10, temp8, temp7, temp11, temp5, temp2) + LOAD_WITH_OFFSET_X4(temp3, temp6, temp9, temp12, w, + 0, 4, 8, 12, + 0, 0, 0, 0, + 0) + LOAD_WITH_OFFSET_X4(temp13, temp14, temp15, temp16, w, + 0, 4, 8, 12, + 1, 1, 1, 1, + 16) + MUL_HALF(temp17, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, + temp9, temp10, temp11, temp12, temp13, temp14, temp15, temp16) + LOAD_WITH_OFFSET_X4(temp1, temp2, temp3, temp4, b, + 0, 0, 0, 0, + 0, 1, 2, 3, + BPS) + CONVERT_2_BYTES_TO_HALF(temp5,temp6, temp7, temp8, temp9,temp10, temp11, + temp12, temp1, temp2, temp3, temp4) + ADD_SUB_HALVES_X4(temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, + temp5, temp6, temp7, temp8, temp9, temp10, temp11, temp12) + PACK_2_HALVES_TO_WORD(temp9, temp10, temp11, temp12, temp1, temp3, temp5, + temp7, temp2, temp4, temp6, temp8) + ADD_SUB_HALVES_X4(temp2, temp4, temp6, temp8, temp9, temp1, temp3, temp10, + temp1, temp9, temp3, temp10, temp5, temp11, temp7, temp12) + ADD_SUB_HALVES_X4(temp5, temp11, temp7, temp2, temp9, temp3, temp6, temp12, + temp2, temp9, temp6, temp3, temp4, temp1, temp8, temp10) + ADD_SUB_HALVES_X4(temp1, temp4, temp10, temp8, temp7, temp11, temp5, temp2, + temp5, temp7, temp11, temp2, temp9, temp6, temp3, temp12) + ABS_X8(temp1, temp4, temp10, temp8, temp7, temp11, temp5, temp2) + LOAD_WITH_OFFSET_X4(temp3, temp6, temp9, temp12, w, + 0, 4, 8, 12, + 0, 0, 0, 0, + 0) + LOAD_WITH_OFFSET_X4(temp13, temp14, temp15, temp16, w, + 0, 4, 8, 12, + 1, 1, 1, 1, + 16) + MUL_HALF(temp3, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, + temp9, temp10, temp11, temp12, temp13, temp14, temp15, temp16) + OUTPUT_EARLY_CLOBBER_REGS_17() + : [a]"r"(a), [b]"r"(b), [w]"r"(w) + : "memory", "hi", "lo" + ); + return abs(temp3 - temp17) >> 5; +} + +static int Disto16x16_MIPSdspR2(const uint8_t* const a, + const uint8_t* const b, + const uint16_t* const w) { + int D = 0; + int x, y; + for (y = 0; y < 16 * BPS; y += 4 * BPS) { + for (x = 0; x < 16; x += 4) { + D += Disto4x4_MIPSdspR2(a + x + y, b + x + y, w); + } + } + return D; +} + +//------------------------------------------------------------------------------ +// Intra predictions + +#define FILL_PART(J, SIZE) \ + "usw %[value], 0+" #J "*" XSTR(BPS) "(%[dst]) \n\t" \ + "usw %[value], 4+" #J "*" XSTR(BPS) "(%[dst]) \n\t" \ + ".if " #SIZE " == 16 \n\t" \ + "usw %[value], 8+" #J "*" XSTR(BPS) "(%[dst]) \n\t" \ + "usw %[value], 12+" #J "*" XSTR(BPS) "(%[dst]) \n\t" \ + ".endif \n\t" + +#define FILL_8_OR_16(DST, VALUE, SIZE) do { \ + int value = (VALUE); \ + __asm__ volatile ( \ + "replv.qb %[value], %[value] \n\t" \ + FILL_PART( 0, SIZE) \ + FILL_PART( 1, SIZE) \ + FILL_PART( 2, SIZE) \ + FILL_PART( 3, SIZE) \ + FILL_PART( 4, SIZE) \ + FILL_PART( 5, SIZE) \ + FILL_PART( 6, SIZE) \ + FILL_PART( 7, SIZE) \ + ".if " #SIZE " == 16 \n\t" \ + FILL_PART( 8, 16) \ + FILL_PART( 9, 16) \ + FILL_PART(10, 16) \ + FILL_PART(11, 16) \ + FILL_PART(12, 16) \ + FILL_PART(13, 16) \ + FILL_PART(14, 16) \ + FILL_PART(15, 16) \ + ".endif \n\t" \ + : [value]"+&r"(value) \ + : [dst]"r"((DST)) \ + : "memory" \ + ); \ +} while (0) + +#define VERTICAL_PRED(DST, TOP, SIZE) \ +static WEBP_INLINE void VerticalPred##SIZE(uint8_t* (DST), \ + const uint8_t* (TOP)) { \ + int j; \ + if ((TOP)) { \ + for (j = 0; j < (SIZE); ++j) memcpy((DST) + j * BPS, (TOP), (SIZE)); \ + } else { \ + FILL_8_OR_16((DST), 127, (SIZE)); \ + } \ +} + +VERTICAL_PRED(dst, top, 8) +VERTICAL_PRED(dst, top, 16) + +#undef VERTICAL_PRED + +#define HORIZONTAL_PRED(DST, LEFT, SIZE) \ +static WEBP_INLINE void HorizontalPred##SIZE(uint8_t* (DST), \ + const uint8_t* (LEFT)) { \ + if (LEFT) { \ + int j; \ + for (j = 0; j < (SIZE); ++j) { \ + memset((DST) + j * BPS, (LEFT)[j], (SIZE)); \ + } \ + } else { \ + FILL_8_OR_16((DST), 129, (SIZE)); \ + } \ +} + +HORIZONTAL_PRED(dst, left, 8) +HORIZONTAL_PRED(dst, left, 16) + +#undef HORIZONTAL_PRED + +#define CLIPPING() \ + "preceu.ph.qbl %[temp2], %[temp0] \n\t" \ + "preceu.ph.qbr %[temp0], %[temp0] \n\t" \ + "preceu.ph.qbl %[temp3], %[temp1] \n\t" \ + "preceu.ph.qbr %[temp1], %[temp1] \n\t" \ + "addu.ph %[temp2], %[temp2], %[leftY_1] \n\t" \ + "addu.ph %[temp0], %[temp0], %[leftY_1] \n\t" \ + "addu.ph %[temp3], %[temp3], %[leftY_1] \n\t" \ + "addu.ph %[temp1], %[temp1], %[leftY_1] \n\t" \ + "shll_s.ph %[temp2], %[temp2], 7 \n\t" \ + "shll_s.ph %[temp0], %[temp0], 7 \n\t" \ + "shll_s.ph %[temp3], %[temp3], 7 \n\t" \ + "shll_s.ph %[temp1], %[temp1], 7 \n\t" \ + "precrqu_s.qb.ph %[temp0], %[temp2], %[temp0] \n\t" \ + "precrqu_s.qb.ph %[temp1], %[temp3], %[temp1] \n\t" + +#define CLIP_8B_TO_DST(DST, LEFT, TOP, SIZE) do { \ + int leftY_1 = ((int)(LEFT)[y] << 16) + (LEFT)[y]; \ + int temp0, temp1, temp2, temp3; \ + __asm__ volatile ( \ + "replv.ph %[leftY_1], %[leftY_1] \n\t" \ + "ulw %[temp0], 0(%[top]) \n\t" \ + "ulw %[temp1], 4(%[top]) \n\t" \ + "subu.ph %[leftY_1], %[leftY_1], %[left_1] \n\t" \ + CLIPPING() \ + "usw %[temp0], 0(%[dst]) \n\t" \ + "usw %[temp1], 4(%[dst]) \n\t" \ + ".if " #SIZE " == 16 \n\t" \ + "ulw %[temp0], 8(%[top]) \n\t" \ + "ulw %[temp1], 12(%[top]) \n\t" \ + CLIPPING() \ + "usw %[temp0], 8(%[dst]) \n\t" \ + "usw %[temp1], 12(%[dst]) \n\t" \ + ".endif \n\t" \ + : [leftY_1]"+&r"(leftY_1), [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), \ + [temp2]"=&r"(temp2), [temp3]"=&r"(temp3) \ + : [left_1]"r"(left_1), [top]"r"((TOP)), [dst]"r"((DST)) \ + : "memory" \ + ); \ +} while (0) + +#define CLIP_TO_DST(DST, LEFT, TOP, SIZE) do { \ + int y; \ + const int left_1 = ((int)(LEFT)[-1] << 16) + (LEFT)[-1]; \ + for (y = 0; y < (SIZE); ++y) { \ + CLIP_8B_TO_DST((DST), (LEFT), (TOP), (SIZE)); \ + (DST) += BPS; \ + } \ +} while (0) + +#define TRUE_MOTION(DST, LEFT, TOP, SIZE) \ +static WEBP_INLINE void TrueMotion##SIZE(uint8_t* (DST), const uint8_t* (LEFT),\ + const uint8_t* (TOP)) { \ + if ((LEFT) != NULL) { \ + if ((TOP) != NULL) { \ + CLIP_TO_DST((DST), (LEFT), (TOP), (SIZE)); \ + } else { \ + HorizontalPred##SIZE((DST), (LEFT)); \ + } \ + } else { \ + /* true motion without left samples (hence: with default 129 value) */ \ + /* is equivalent to VE prediction where you just copy the top samples. */ \ + /* Note that if top samples are not available, the default value is */ \ + /* then 129, and not 127 as in the VerticalPred case. */ \ + if ((TOP) != NULL) { \ + VerticalPred##SIZE((DST), (TOP)); \ + } else { \ + FILL_8_OR_16((DST), 129, (SIZE)); \ + } \ + } \ +} + +TRUE_MOTION(dst, left, top, 8) +TRUE_MOTION(dst, left, top, 16) + +#undef TRUE_MOTION +#undef CLIP_TO_DST +#undef CLIP_8B_TO_DST +#undef CLIPPING + +static WEBP_INLINE void DCMode16(uint8_t* dst, const uint8_t* left, + const uint8_t* top) { + int DC, DC1; + int temp0, temp1, temp2, temp3; + + __asm__ volatile( + "beqz %[top], 2f \n\t" + LOAD_WITH_OFFSET_X4(temp0, temp1, temp2, temp3, top, + 0, 4, 8, 12, + 0, 0, 0, 0, + 0) + "raddu.w.qb %[temp0], %[temp0] \n\t" + "raddu.w.qb %[temp1], %[temp1] \n\t" + "raddu.w.qb %[temp2], %[temp2] \n\t" + "raddu.w.qb %[temp3], %[temp3] \n\t" + "addu %[temp0], %[temp0], %[temp1] \n\t" + "addu %[temp2], %[temp2], %[temp3] \n\t" + "addu %[DC], %[temp0], %[temp2] \n\t" + "move %[DC1], %[DC] \n\t" + "beqz %[left], 1f \n\t" + LOAD_WITH_OFFSET_X4(temp0, temp1, temp2, temp3, left, + 0, 4, 8, 12, + 0, 0, 0, 0, + 0) + "raddu.w.qb %[temp0], %[temp0] \n\t" + "raddu.w.qb %[temp1], %[temp1] \n\t" + "raddu.w.qb %[temp2], %[temp2] \n\t" + "raddu.w.qb %[temp3], %[temp3] \n\t" + "addu %[temp0], %[temp0], %[temp1] \n\t" + "addu %[temp2], %[temp2], %[temp3] \n\t" + "addu %[DC1], %[temp0], %[temp2] \n\t" + "1: \n\t" + "addu %[DC], %[DC], %[DC1] \n\t" + "j 3f \n\t" + "2: \n\t" + "beqz %[left], 4f \n\t" + LOAD_WITH_OFFSET_X4(temp0, temp1, temp2, temp3, left, + 0, 4, 8, 12, + 0, 0, 0, 0, + 0) + "raddu.w.qb %[temp0], %[temp0] \n\t" + "raddu.w.qb %[temp1], %[temp1] \n\t" + "raddu.w.qb %[temp2], %[temp2] \n\t" + "raddu.w.qb %[temp3], %[temp3] \n\t" + "addu %[temp0], %[temp0], %[temp1] \n\t" + "addu %[temp2], %[temp2], %[temp3] \n\t" + "addu %[DC], %[temp0], %[temp2] \n\t" + "addu %[DC], %[DC], %[DC] \n\t" + "3: \n\t" + "shra_r.w %[DC], %[DC], 5 \n\t" + "j 5f \n\t" + "4: \n\t" + "li %[DC], 0x80 \n\t" + "5: \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [DC]"=&r"(DC), + [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [DC1]"=&r"(DC1) + : [left]"r"(left), [top]"r"(top) + : "memory" + ); + + FILL_8_OR_16(dst, DC, 16); +} + +static WEBP_INLINE void DCMode8(uint8_t* dst, const uint8_t* left, + const uint8_t* top) { + int DC, DC1; + int temp0, temp1, temp2, temp3; + + __asm__ volatile( + "beqz %[top], 2f \n\t" + "ulw %[temp0], 0(%[top]) \n\t" + "ulw %[temp1], 4(%[top]) \n\t" + "raddu.w.qb %[temp0], %[temp0] \n\t" + "raddu.w.qb %[temp1], %[temp1] \n\t" + "addu %[DC], %[temp0], %[temp1] \n\t" + "move %[DC1], %[DC] \n\t" + "beqz %[left], 1f \n\t" + "ulw %[temp2], 0(%[left]) \n\t" + "ulw %[temp3], 4(%[left]) \n\t" + "raddu.w.qb %[temp2], %[temp2] \n\t" + "raddu.w.qb %[temp3], %[temp3] \n\t" + "addu %[DC1], %[temp2], %[temp3] \n\t" + "1: \n\t" + "addu %[DC], %[DC], %[DC1] \n\t" + "j 3f \n\t" + "2: \n\t" + "beqz %[left], 4f \n\t" + "ulw %[temp2], 0(%[left]) \n\t" + "ulw %[temp3], 4(%[left]) \n\t" + "raddu.w.qb %[temp2], %[temp2] \n\t" + "raddu.w.qb %[temp3], %[temp3] \n\t" + "addu %[DC], %[temp2], %[temp3] \n\t" + "addu %[DC], %[DC], %[DC] \n\t" + "3: \n\t" + "shra_r.w %[DC], %[DC], 4 \n\t" + "j 5f \n\t" + "4: \n\t" + "li %[DC], 0x80 \n\t" + "5: \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [DC]"=&r"(DC), + [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [DC1]"=&r"(DC1) + : [left]"r"(left), [top]"r"(top) + : "memory" + ); + + FILL_8_OR_16(dst, DC, 8); +} + +static void DC4(uint8_t* dst, const uint8_t* top) { + int temp0, temp1; + __asm__ volatile( + "ulw %[temp0], 0(%[top]) \n\t" + "ulw %[temp1], -5(%[top]) \n\t" + "raddu.w.qb %[temp0], %[temp0] \n\t" + "raddu.w.qb %[temp1], %[temp1] \n\t" + "addu %[temp0], %[temp0], %[temp1] \n\t" + "addiu %[temp0], %[temp0], 4 \n\t" + "srl %[temp0], %[temp0], 3 \n\t" + "replv.qb %[temp0], %[temp0] \n\t" + "usw %[temp0], 0*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp0], 1*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp0], 2*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp0], 3*" XSTR(BPS) "(%[dst]) \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1) + : [top]"r"(top), [dst]"r"(dst) + : "memory" + ); +} + +static void TM4(uint8_t* dst, const uint8_t* top) { + int a10, a32, temp0, temp1, temp2, temp3, temp4, temp5; + const int c35 = 0xff00ff; + __asm__ volatile ( + "lbu %[temp1], 0(%[top]) \n\t" + "lbu %[a10], 1(%[top]) \n\t" + "lbu %[temp2], 2(%[top]) \n\t" + "lbu %[a32], 3(%[top]) \n\t" + "ulw %[temp0], -5(%[top]) \n\t" + "lbu %[temp4], -1(%[top]) \n\t" + "append %[a10], %[temp1], 16 \n\t" + "append %[a32], %[temp2], 16 \n\t" + "replv.ph %[temp4], %[temp4] \n\t" + "shrl.ph %[temp1], %[temp0], 8 \n\t" + "and %[temp0], %[temp0], %[c35] \n\t" + "subu.ph %[temp1], %[temp1], %[temp4] \n\t" + "subu.ph %[temp0], %[temp0], %[temp4] \n\t" + "srl %[temp2], %[temp1], 16 \n\t" + "srl %[temp3], %[temp0], 16 \n\t" + "replv.ph %[temp2], %[temp2] \n\t" + "replv.ph %[temp3], %[temp3] \n\t" + "replv.ph %[temp4], %[temp1] \n\t" + "replv.ph %[temp5], %[temp0] \n\t" + "addu.ph %[temp0], %[temp3], %[a10] \n\t" + "addu.ph %[temp1], %[temp3], %[a32] \n\t" + "addu.ph %[temp3], %[temp2], %[a10] \n\t" + "addu.ph %[temp2], %[temp2], %[a32] \n\t" + "shll_s.ph %[temp0], %[temp0], 7 \n\t" + "shll_s.ph %[temp1], %[temp1], 7 \n\t" + "shll_s.ph %[temp3], %[temp3], 7 \n\t" + "shll_s.ph %[temp2], %[temp2], 7 \n\t" + "precrqu_s.qb.ph %[temp0], %[temp1], %[temp0] \n\t" + "precrqu_s.qb.ph %[temp1], %[temp2], %[temp3] \n\t" + "addu.ph %[temp2], %[temp5], %[a10] \n\t" + "addu.ph %[temp3], %[temp5], %[a32] \n\t" + "addu.ph %[temp5], %[temp4], %[a10] \n\t" + "addu.ph %[temp4], %[temp4], %[a32] \n\t" + "shll_s.ph %[temp2], %[temp2], 7 \n\t" + "shll_s.ph %[temp3], %[temp3], 7 \n\t" + "shll_s.ph %[temp4], %[temp4], 7 \n\t" + "shll_s.ph %[temp5], %[temp5], 7 \n\t" + "precrqu_s.qb.ph %[temp2], %[temp3], %[temp2] \n\t" + "precrqu_s.qb.ph %[temp3], %[temp4], %[temp5] \n\t" + "usw %[temp1], 0*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp0], 1*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp3], 2*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp2], 3*" XSTR(BPS) "(%[dst]) \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [a10]"=&r"(a10), [a32]"=&r"(a32) + : [c35]"r"(c35), [top]"r"(top), [dst]"r"(dst) + : "memory" + ); +} + +static void VE4(uint8_t* dst, const uint8_t* top) { + int temp0, temp1, temp2, temp3, temp4, temp5, temp6; + __asm__ volatile( + "ulw %[temp0], -1(%[top]) \n\t" + "ulh %[temp1], 3(%[top]) \n\t" + "preceu.ph.qbr %[temp2], %[temp0] \n\t" + "preceu.ph.qbl %[temp3], %[temp0] \n\t" + "preceu.ph.qbr %[temp4], %[temp1] \n\t" + "packrl.ph %[temp5], %[temp3], %[temp2] \n\t" + "packrl.ph %[temp6], %[temp4], %[temp3] \n\t" + "shll.ph %[temp5], %[temp5], 1 \n\t" + "shll.ph %[temp6], %[temp6], 1 \n\t" + "addq.ph %[temp2], %[temp5], %[temp2] \n\t" + "addq.ph %[temp6], %[temp6], %[temp4] \n\t" + "addq.ph %[temp2], %[temp2], %[temp3] \n\t" + "addq.ph %[temp6], %[temp6], %[temp3] \n\t" + "shra_r.ph %[temp2], %[temp2], 2 \n\t" + "shra_r.ph %[temp6], %[temp6], 2 \n\t" + "precr.qb.ph %[temp4], %[temp6], %[temp2] \n\t" + "usw %[temp4], 0*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp4], 1*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp4], 2*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp4], 3*" XSTR(BPS) "(%[dst]) \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6) + : [top]"r"(top), [dst]"r"(dst) + : "memory" + ); +} + +static void HE4(uint8_t* dst, const uint8_t* top) { + int temp0, temp1, temp2, temp3, temp4, temp5, temp6; + __asm__ volatile( + "ulw %[temp0], -4(%[top]) \n\t" + "lbu %[temp1], -5(%[top]) \n\t" + "preceu.ph.qbr %[temp2], %[temp0] \n\t" + "preceu.ph.qbl %[temp3], %[temp0] \n\t" + "replv.ph %[temp4], %[temp1] \n\t" + "packrl.ph %[temp5], %[temp3], %[temp2] \n\t" + "packrl.ph %[temp6], %[temp2], %[temp4] \n\t" + "shll.ph %[temp5], %[temp5], 1 \n\t" + "shll.ph %[temp6], %[temp6], 1 \n\t" + "addq.ph %[temp3], %[temp3], %[temp5] \n\t" + "addq.ph %[temp3], %[temp3], %[temp2] \n\t" + "addq.ph %[temp2], %[temp2], %[temp6] \n\t" + "addq.ph %[temp2], %[temp2], %[temp4] \n\t" + "shra_r.ph %[temp3], %[temp3], 2 \n\t" + "shra_r.ph %[temp2], %[temp2], 2 \n\t" + "replv.qb %[temp0], %[temp3] \n\t" + "replv.qb %[temp1], %[temp2] \n\t" + "srl %[temp3], %[temp3], 16 \n\t" + "srl %[temp2], %[temp2], 16 \n\t" + "replv.qb %[temp3], %[temp3] \n\t" + "replv.qb %[temp2], %[temp2] \n\t" + "usw %[temp3], 0*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp0], 1*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp2], 2*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp1], 3*" XSTR(BPS) "(%[dst]) \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6) + : [top]"r"(top), [dst]"r"(dst) + : "memory" + ); +} + +static void RD4(uint8_t* dst, const uint8_t* top) { + int temp0, temp1, temp2, temp3, temp4, temp5; + int temp6, temp7, temp8, temp9, temp10, temp11; + __asm__ volatile( + "ulw %[temp0], -5(%[top]) \n\t" + "ulw %[temp1], -1(%[top]) \n\t" + "preceu.ph.qbl %[temp2], %[temp0] \n\t" + "preceu.ph.qbr %[temp3], %[temp0] \n\t" + "preceu.ph.qbr %[temp4], %[temp1] \n\t" + "preceu.ph.qbl %[temp5], %[temp1] \n\t" + "packrl.ph %[temp6], %[temp2], %[temp3] \n\t" + "packrl.ph %[temp7], %[temp4], %[temp2] \n\t" + "packrl.ph %[temp8], %[temp5], %[temp4] \n\t" + "shll.ph %[temp6], %[temp6], 1 \n\t" + "addq.ph %[temp9], %[temp2], %[temp6] \n\t" + "shll.ph %[temp7], %[temp7], 1 \n\t" + "addq.ph %[temp9], %[temp9], %[temp3] \n\t" + "shll.ph %[temp8], %[temp8], 1 \n\t" + "shra_r.ph %[temp9], %[temp9], 2 \n\t" + "addq.ph %[temp10], %[temp4], %[temp7] \n\t" + "addq.ph %[temp11], %[temp5], %[temp8] \n\t" + "addq.ph %[temp10], %[temp10], %[temp2] \n\t" + "addq.ph %[temp11], %[temp11], %[temp4] \n\t" + "shra_r.ph %[temp10], %[temp10], 2 \n\t" + "shra_r.ph %[temp11], %[temp11], 2 \n\t" + "lbu %[temp0], 3(%[top]) \n\t" + "lbu %[temp1], 2(%[top]) \n\t" + "lbu %[temp2], 1(%[top]) \n\t" + "sll %[temp1], %[temp1], 1 \n\t" + "addu %[temp0], %[temp0], %[temp1] \n\t" + "addu %[temp0], %[temp0], %[temp2] \n\t" + "precr.qb.ph %[temp9], %[temp10], %[temp9] \n\t" + "shra_r.w %[temp0], %[temp0], 2 \n\t" + "precr.qb.ph %[temp10], %[temp11], %[temp10] \n\t" + "usw %[temp9], 3*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp10], 1*" XSTR(BPS) "(%[dst]) \n\t" + "prepend %[temp9], %[temp11], 8 \n\t" + "prepend %[temp10], %[temp0], 8 \n\t" + "usw %[temp9], 2*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp10], 0*" XSTR(BPS) "(%[dst]) \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), + [temp9]"=&r"(temp9), [temp10]"=&r"(temp10), [temp11]"=&r"(temp11) + : [top]"r"(top), [dst]"r"(dst) + : "memory" + ); +} + +static void VR4(uint8_t* dst, const uint8_t* top) { + int temp0, temp1, temp2, temp3, temp4; + int temp5, temp6, temp7, temp8, temp9; + __asm__ volatile ( + "ulw %[temp0], -4(%[top]) \n\t" + "ulw %[temp1], 0(%[top]) \n\t" + "preceu.ph.qbl %[temp2], %[temp0] \n\t" + "preceu.ph.qbr %[temp0], %[temp0] \n\t" + "preceu.ph.qbla %[temp3], %[temp1] \n\t" + "preceu.ph.qbra %[temp1], %[temp1] \n\t" + "packrl.ph %[temp7], %[temp3], %[temp2] \n\t" + "addqh_r.ph %[temp4], %[temp1], %[temp3] \n\t" + "move %[temp6], %[temp1] \n\t" + "append %[temp1], %[temp2], 16 \n\t" + "shll.ph %[temp9], %[temp6], 1 \n\t" + "addqh_r.ph %[temp5], %[temp7], %[temp6] \n\t" + "shll.ph %[temp8], %[temp7], 1 \n\t" + "addu.ph %[temp3], %[temp7], %[temp3] \n\t" + "addu.ph %[temp1], %[temp1], %[temp6] \n\t" + "packrl.ph %[temp7], %[temp2], %[temp0] \n\t" + "addu.ph %[temp6], %[temp0], %[temp2] \n\t" + "addu.ph %[temp3], %[temp3], %[temp9] \n\t" + "addu.ph %[temp1], %[temp1], %[temp8] \n\t" + "shll.ph %[temp7], %[temp7], 1 \n\t" + "shra_r.ph %[temp3], %[temp3], 2 \n\t" + "shra_r.ph %[temp1], %[temp1], 2 \n\t" + "addu.ph %[temp6], %[temp6], %[temp7] \n\t" + "shra_r.ph %[temp6], %[temp6], 2 \n\t" + "precrq.ph.w %[temp8], %[temp4], %[temp5] \n\t" + "append %[temp4], %[temp5], 16 \n\t" + "precrq.ph.w %[temp2], %[temp3], %[temp1] \n\t" + "append %[temp3], %[temp1], 16 \n\t" + "precr.qb.ph %[temp8], %[temp8], %[temp4] \n\t" + "precr.qb.ph %[temp3], %[temp2], %[temp3] \n\t" + "usw %[temp8], 0*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp3], 1*" XSTR(BPS) "(%[dst]) \n\t" + "append %[temp3], %[temp6], 8 \n\t" + "srl %[temp6], %[temp6], 16 \n\t" + "append %[temp8], %[temp6], 8 \n\t" + "usw %[temp3], 3*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp8], 2*" XSTR(BPS) "(%[dst]) \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), + [temp9]"=&r"(temp9) + : [top]"r"(top), [dst]"r"(dst) + : "memory" + ); +} + +static void LD4(uint8_t* dst, const uint8_t* top) { + int temp0, temp1, temp2, temp3, temp4, temp5; + int temp6, temp7, temp8, temp9, temp10, temp11; + __asm__ volatile( + "ulw %[temp0], 0(%[top]) \n\t" + "ulw %[temp1], 4(%[top]) \n\t" + "preceu.ph.qbl %[temp2], %[temp0] \n\t" + "preceu.ph.qbr %[temp3], %[temp0] \n\t" + "preceu.ph.qbr %[temp4], %[temp1] \n\t" + "preceu.ph.qbl %[temp5], %[temp1] \n\t" + "packrl.ph %[temp6], %[temp2], %[temp3] \n\t" + "packrl.ph %[temp7], %[temp4], %[temp2] \n\t" + "packrl.ph %[temp8], %[temp5], %[temp4] \n\t" + "shll.ph %[temp6], %[temp6], 1 \n\t" + "addq.ph %[temp9], %[temp2], %[temp6] \n\t" + "shll.ph %[temp7], %[temp7], 1 \n\t" + "addq.ph %[temp9], %[temp9], %[temp3] \n\t" + "shll.ph %[temp8], %[temp8], 1 \n\t" + "shra_r.ph %[temp9], %[temp9], 2 \n\t" + "addq.ph %[temp10], %[temp4], %[temp7] \n\t" + "addq.ph %[temp11], %[temp5], %[temp8] \n\t" + "addq.ph %[temp10], %[temp10], %[temp2] \n\t" + "addq.ph %[temp11], %[temp11], %[temp4] \n\t" + "shra_r.ph %[temp10], %[temp10], 2 \n\t" + "shra_r.ph %[temp11], %[temp11], 2 \n\t" + "srl %[temp1], %[temp1], 24 \n\t" + "sll %[temp1], %[temp1], 1 \n\t" + "raddu.w.qb %[temp5], %[temp5] \n\t" + "precr.qb.ph %[temp9], %[temp10], %[temp9] \n\t" + "precr.qb.ph %[temp10], %[temp11], %[temp10] \n\t" + "addu %[temp1], %[temp1], %[temp5] \n\t" + "shra_r.w %[temp1], %[temp1], 2 \n\t" + "usw %[temp9], 0*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp10], 2*" XSTR(BPS) "(%[dst]) \n\t" + "prepend %[temp9], %[temp11], 8 \n\t" + "prepend %[temp10], %[temp1], 8 \n\t" + "usw %[temp9], 1*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp10], 3*" XSTR(BPS) "(%[dst]) \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), + [temp9]"=&r"(temp9), [temp10]"=&r"(temp10), [temp11]"=&r"(temp11) + : [top]"r"(top), [dst]"r"(dst) + : "memory" + ); +} + +static void VL4(uint8_t* dst, const uint8_t* top) { + int temp0, temp1, temp2, temp3, temp4; + int temp5, temp6, temp7, temp8, temp9; + __asm__ volatile ( + "ulw %[temp0], 0(%[top]) \n\t" + "ulw %[temp1], 4(%[top]) \n\t" + "preceu.ph.qbla %[temp2], %[temp0] \n\t" + "preceu.ph.qbra %[temp0], %[temp0] \n\t" + "preceu.ph.qbl %[temp3], %[temp1] \n\t" + "preceu.ph.qbr %[temp1], %[temp1] \n\t" + "addqh_r.ph %[temp4], %[temp0], %[temp2] \n\t" + "packrl.ph %[temp7], %[temp1], %[temp0] \n\t" + "precrq.ph.w %[temp6], %[temp1], %[temp2] \n\t" + "shll.ph %[temp9], %[temp2], 1 \n\t" + "addqh_r.ph %[temp5], %[temp7], %[temp2] \n\t" + "shll.ph %[temp8], %[temp7], 1 \n\t" + "addu.ph %[temp2], %[temp2], %[temp6] \n\t" + "addu.ph %[temp0], %[temp0], %[temp7] \n\t" + "packrl.ph %[temp7], %[temp3], %[temp1] \n\t" + "addu.ph %[temp6], %[temp1], %[temp3] \n\t" + "addu.ph %[temp2], %[temp2], %[temp8] \n\t" + "addu.ph %[temp0], %[temp0], %[temp9] \n\t" + "shll.ph %[temp7], %[temp7], 1 \n\t" + "shra_r.ph %[temp2], %[temp2], 2 \n\t" + "shra_r.ph %[temp0], %[temp0], 2 \n\t" + "addu.ph %[temp6], %[temp6], %[temp7] \n\t" + "shra_r.ph %[temp6], %[temp6], 2 \n\t" + "precrq.ph.w %[temp8], %[temp5], %[temp4] \n\t" + "append %[temp5], %[temp4], 16 \n\t" + "precrq.ph.w %[temp3], %[temp2], %[temp0] \n\t" + "append %[temp2], %[temp0], 16 \n\t" + "precr.qb.ph %[temp8], %[temp8], %[temp5] \n\t" + "precr.qb.ph %[temp3], %[temp3], %[temp2] \n\t" + "usw %[temp8], 0*" XSTR(BPS) "(%[dst]) \n\t" + "prepend %[temp8], %[temp6], 8 \n\t" + "usw %[temp3], 1*" XSTR(BPS) "(%[dst]) \n\t" + "srl %[temp6], %[temp6], 16 \n\t" + "prepend %[temp3], %[temp6], 8 \n\t" + "usw %[temp8], 2*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp3], 3*" XSTR(BPS) "(%[dst]) \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), + [temp9]"=&r"(temp9) + : [top]"r"(top), [dst]"r"(dst) + : "memory" + ); +} + +static void HD4(uint8_t* dst, const uint8_t* top) { + int temp0, temp1, temp2, temp3, temp4; + int temp5, temp6, temp7, temp8, temp9; + __asm__ volatile ( + "ulw %[temp0], -5(%[top]) \n\t" + "ulw %[temp1], -1(%[top]) \n\t" + "preceu.ph.qbla %[temp2], %[temp0] \n\t" + "preceu.ph.qbra %[temp0], %[temp0] \n\t" + "preceu.ph.qbl %[temp3], %[temp1] \n\t" + "preceu.ph.qbr %[temp1], %[temp1] \n\t" + "addqh_r.ph %[temp4], %[temp0], %[temp2] \n\t" + "packrl.ph %[temp7], %[temp1], %[temp0] \n\t" + "precrq.ph.w %[temp6], %[temp1], %[temp2] \n\t" + "shll.ph %[temp9], %[temp2], 1 \n\t" + "addqh_r.ph %[temp5], %[temp7], %[temp2] \n\t" + "shll.ph %[temp8], %[temp7], 1 \n\t" + "addu.ph %[temp2], %[temp2], %[temp6] \n\t" + "addu.ph %[temp0], %[temp0], %[temp7] \n\t" + "packrl.ph %[temp7], %[temp3], %[temp1] \n\t" + "addu.ph %[temp6], %[temp1], %[temp3] \n\t" + "addu.ph %[temp2], %[temp2], %[temp8] \n\t" + "addu.ph %[temp0], %[temp0], %[temp9] \n\t" + "shll.ph %[temp7], %[temp7], 1 \n\t" + "shra_r.ph %[temp2], %[temp2], 2 \n\t" + "shra_r.ph %[temp0], %[temp0], 2 \n\t" + "addu.ph %[temp6], %[temp6], %[temp7] \n\t" + "shra_r.ph %[temp6], %[temp6], 2 \n\t" + "precrq.ph.w %[temp1], %[temp2], %[temp5] \n\t" + "precrq.ph.w %[temp3], %[temp0], %[temp4] \n\t" + "precr.qb.ph %[temp7], %[temp6], %[temp1] \n\t" + "precr.qb.ph %[temp6], %[temp1], %[temp3] \n\t" + "usw %[temp7], 0*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp6], 1*" XSTR(BPS) "(%[dst]) \n\t" + "append %[temp2], %[temp5], 16 \n\t" + "append %[temp0], %[temp4], 16 \n\t" + "precr.qb.ph %[temp5], %[temp3], %[temp2] \n\t" + "precr.qb.ph %[temp4], %[temp2], %[temp0] \n\t" + "usw %[temp5], 2*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp4], 3*" XSTR(BPS) "(%[dst]) \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), + [temp9]"=&r"(temp9) + : [top]"r"(top), [dst]"r"(dst) + : "memory" + ); +} + +static void HU4(uint8_t* dst, const uint8_t* top) { + int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; + __asm__ volatile ( + "ulw %[temp0], -5(%[top]) \n\t" + "preceu.ph.qbl %[temp1], %[temp0] \n\t" + "preceu.ph.qbr %[temp2], %[temp0] \n\t" + "packrl.ph %[temp3], %[temp1], %[temp2] \n\t" + "replv.qb %[temp7], %[temp2] \n\t" + "addqh_r.ph %[temp4], %[temp1], %[temp3] \n\t" + "addqh_r.ph %[temp5], %[temp3], %[temp2] \n\t" + "shll.ph %[temp6], %[temp3], 1 \n\t" + "addu.ph %[temp3], %[temp2], %[temp3] \n\t" + "addu.ph %[temp6], %[temp1], %[temp6] \n\t" + "shll.ph %[temp0], %[temp2], 1 \n\t" + "addu.ph %[temp6], %[temp6], %[temp2] \n\t" + "addu.ph %[temp0], %[temp3], %[temp0] \n\t" + "shra_r.ph %[temp6], %[temp6], 2 \n\t" + "shra_r.ph %[temp0], %[temp0], 2 \n\t" + "packrl.ph %[temp3], %[temp6], %[temp5] \n\t" + "precrq.ph.w %[temp2], %[temp6], %[temp4] \n\t" + "append %[temp0], %[temp5], 16 \n\t" + "precr.qb.ph %[temp3], %[temp3], %[temp2] \n\t" + "usw %[temp3], 0*" XSTR(BPS) "(%[dst]) \n\t" + "precr.qb.ph %[temp1], %[temp7], %[temp0] \n\t" + "usw %[temp7], 3*" XSTR(BPS) "(%[dst]) \n\t" + "packrl.ph %[temp2], %[temp1], %[temp3] \n\t" + "usw %[temp1], 2*" XSTR(BPS) "(%[dst]) \n\t" + "usw %[temp2], 1*" XSTR(BPS) "(%[dst]) \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7) + : [top]"r"(top), [dst]"r"(dst) + : "memory" + ); +} + +//------------------------------------------------------------------------------ +// Chroma 8x8 prediction (paragraph 12.2) + +static void IntraChromaPreds_MIPSdspR2(uint8_t* dst, const uint8_t* left, + const uint8_t* top) { + // U block + DCMode8(C8DC8 + dst, left, top); + VerticalPred8(C8VE8 + dst, top); + HorizontalPred8(C8HE8 + dst, left); + TrueMotion8(C8TM8 + dst, left, top); + // V block + dst += 8; + if (top) top += 8; + if (left) left += 16; + DCMode8(C8DC8 + dst, left, top); + VerticalPred8(C8VE8 + dst, top); + HorizontalPred8(C8HE8 + dst, left); + TrueMotion8(C8TM8 + dst, left, top); +} + +//------------------------------------------------------------------------------ +// luma 16x16 prediction (paragraph 12.3) + +static void Intra16Preds_MIPSdspR2(uint8_t* dst, + const uint8_t* left, const uint8_t* top) { + DCMode16(I16DC16 + dst, left, top); + VerticalPred16(I16VE16 + dst, top); + HorizontalPred16(I16HE16 + dst, left); + TrueMotion16(I16TM16 + dst, left, top); +} + +// Left samples are top[-5 .. -2], top_left is top[-1], top are +// located at top[0..3], and top right is top[4..7] +static void Intra4Preds_MIPSdspR2(uint8_t* dst, const uint8_t* top) { + DC4(I4DC4 + dst, top); + TM4(I4TM4 + dst, top); + VE4(I4VE4 + dst, top); + HE4(I4HE4 + dst, top); + RD4(I4RD4 + dst, top); + VR4(I4VR4 + dst, top); + LD4(I4LD4 + dst, top); + VL4(I4VL4 + dst, top); + HD4(I4HD4 + dst, top); + HU4(I4HU4 + dst, top); +} + +//------------------------------------------------------------------------------ +// Metric + +#if !defined(WORK_AROUND_GCC) + +#define GET_SSE_INNER(A) \ + "lw %[temp0], " #A "(%[a]) \n\t" \ + "lw %[temp1], " #A "(%[b]) \n\t" \ + "preceu.ph.qbr %[temp2], %[temp0] \n\t" \ + "preceu.ph.qbl %[temp0], %[temp0] \n\t" \ + "preceu.ph.qbr %[temp3], %[temp1] \n\t" \ + "preceu.ph.qbl %[temp1], %[temp1] \n\t" \ + "subq.ph %[temp2], %[temp2], %[temp3] \n\t" \ + "subq.ph %[temp0], %[temp0], %[temp1] \n\t" \ + "dpa.w.ph $ac0, %[temp2], %[temp2] \n\t" \ + "dpa.w.ph $ac0, %[temp0], %[temp0] \n\t" + +#define GET_SSE(A, B, C, D) \ + GET_SSE_INNER(A) \ + GET_SSE_INNER(B) \ + GET_SSE_INNER(C) \ + GET_SSE_INNER(D) + +static int SSE16x16_MIPSdspR2(const uint8_t* a, const uint8_t* b) { + int count; + int temp0, temp1, temp2, temp3; + __asm__ volatile ( + "mult $zero, $zero \n\t" + GET_SSE( 0 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS) + GET_SSE( 1 * BPS, 4 + 1 * BPS, 8 + 1 * BPS, 12 + 1 * BPS) + GET_SSE( 2 * BPS, 4 + 2 * BPS, 8 + 2 * BPS, 12 + 2 * BPS) + GET_SSE( 3 * BPS, 4 + 3 * BPS, 8 + 3 * BPS, 12 + 3 * BPS) + GET_SSE( 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS) + GET_SSE( 5 * BPS, 4 + 5 * BPS, 8 + 5 * BPS, 12 + 5 * BPS) + GET_SSE( 6 * BPS, 4 + 6 * BPS, 8 + 6 * BPS, 12 + 6 * BPS) + GET_SSE( 7 * BPS, 4 + 7 * BPS, 8 + 7 * BPS, 12 + 7 * BPS) + GET_SSE( 8 * BPS, 4 + 8 * BPS, 8 + 8 * BPS, 12 + 8 * BPS) + GET_SSE( 9 * BPS, 4 + 9 * BPS, 8 + 9 * BPS, 12 + 9 * BPS) + GET_SSE(10 * BPS, 4 + 10 * BPS, 8 + 10 * BPS, 12 + 10 * BPS) + GET_SSE(11 * BPS, 4 + 11 * BPS, 8 + 11 * BPS, 12 + 11 * BPS) + GET_SSE(12 * BPS, 4 + 12 * BPS, 8 + 12 * BPS, 12 + 12 * BPS) + GET_SSE(13 * BPS, 4 + 13 * BPS, 8 + 13 * BPS, 12 + 13 * BPS) + GET_SSE(14 * BPS, 4 + 14 * BPS, 8 + 14 * BPS, 12 + 14 * BPS) + GET_SSE(15 * BPS, 4 + 15 * BPS, 8 + 15 * BPS, 12 + 15 * BPS) + "mflo %[count] \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [count]"=&r"(count) + : [a]"r"(a), [b]"r"(b) + : "memory", "hi", "lo" + ); + return count; +} + +static int SSE16x8_MIPSdspR2(const uint8_t* a, const uint8_t* b) { + int count; + int temp0, temp1, temp2, temp3; + __asm__ volatile ( + "mult $zero, $zero \n\t" + GET_SSE( 0 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS) + GET_SSE( 1 * BPS, 4 + 1 * BPS, 8 + 1 * BPS, 12 + 1 * BPS) + GET_SSE( 2 * BPS, 4 + 2 * BPS, 8 + 2 * BPS, 12 + 2 * BPS) + GET_SSE( 3 * BPS, 4 + 3 * BPS, 8 + 3 * BPS, 12 + 3 * BPS) + GET_SSE( 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS) + GET_SSE( 5 * BPS, 4 + 5 * BPS, 8 + 5 * BPS, 12 + 5 * BPS) + GET_SSE( 6 * BPS, 4 + 6 * BPS, 8 + 6 * BPS, 12 + 6 * BPS) + GET_SSE( 7 * BPS, 4 + 7 * BPS, 8 + 7 * BPS, 12 + 7 * BPS) + "mflo %[count] \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [count]"=&r"(count) + : [a]"r"(a), [b]"r"(b) + : "memory", "hi", "lo" + ); + return count; +} + +static int SSE8x8_MIPSdspR2(const uint8_t* a, const uint8_t* b) { + int count; + int temp0, temp1, temp2, temp3; + __asm__ volatile ( + "mult $zero, $zero \n\t" + GET_SSE(0 * BPS, 4 + 0 * BPS, 1 * BPS, 4 + 1 * BPS) + GET_SSE(2 * BPS, 4 + 2 * BPS, 3 * BPS, 4 + 3 * BPS) + GET_SSE(4 * BPS, 4 + 4 * BPS, 5 * BPS, 4 + 5 * BPS) + GET_SSE(6 * BPS, 4 + 6 * BPS, 7 * BPS, 4 + 7 * BPS) + "mflo %[count] \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [count]"=&r"(count) + : [a]"r"(a), [b]"r"(b) + : "memory", "hi", "lo" + ); + return count; +} + +static int SSE4x4_MIPSdspR2(const uint8_t* a, const uint8_t* b) { + int count; + int temp0, temp1, temp2, temp3; + __asm__ volatile ( + "mult $zero, $zero \n\t" + GET_SSE(0 * BPS, 1 * BPS, 2 * BPS, 3 * BPS) + "mflo %[count] \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [count]"=&r"(count) + : [a]"r"(a), [b]"r"(b) + : "memory", "hi", "lo" + ); + return count; +} + +#undef GET_SSE +#undef GET_SSE_INNER + +#endif // !WORK_AROUND_GCC + +#undef FILL_8_OR_16 +#undef FILL_PART +#undef OUTPUT_EARLY_CLOBBER_REGS_17 +#undef MUL_HALF +#undef ABS_X8 +#undef ADD_SUB_HALVES_X4 + +//------------------------------------------------------------------------------ +// Quantization +// + +// macro for one pass through for loop in QuantizeBlock reading 2 values at time +// QUANTDIV macro inlined +// J - offset in bytes (kZigzag[n] * 2) +// K - offset in bytes (kZigzag[n] * 4) +// N - offset in bytes (n * 2) +// N1 - offset in bytes ((n + 1) * 2) +#define QUANTIZE_ONE(J, K, N, N1) \ + "ulw %[temp1], " #J "(%[ppin]) \n\t" \ + "ulw %[temp2], " #J "(%[ppsharpen]) \n\t" \ + "lhu %[temp3], " #K "(%[ppzthresh]) \n\t" \ + "lhu %[temp6], " #K "+4(%[ppzthresh]) \n\t" \ + "absq_s.ph %[temp4], %[temp1] \n\t" \ + "ins %[temp3], %[temp6], 16, 16 \n\t" \ + "addu.ph %[coeff], %[temp4], %[temp2] \n\t" \ + "shra.ph %[sign], %[temp1], 15 \n\t" \ + "li %[level], 0x10001 \n\t" \ + "cmp.lt.ph %[temp3], %[coeff] \n\t" \ + "lhu %[temp1], " #J "(%[ppiq]) \n\t" \ + "pick.ph %[temp5], %[level], $0 \n\t" \ + "lw %[temp2], " #K "(%[ppbias]) \n\t" \ + "beqz %[temp5], 0f \n\t" \ + "lhu %[temp3], " #J "(%[ppq]) \n\t" \ + "beq %[temp5], %[level], 1f \n\t" \ + "andi %[temp5], %[temp5], 0x1 \n\t" \ + "andi %[temp4], %[coeff], 0xffff \n\t" \ + "beqz %[temp5], 2f \n\t" \ + "mul %[level], %[temp4], %[temp1] \n\t" \ + "sh $0, " #J "+2(%[ppin]) \n\t" \ + "sh $0, " #N1 "(%[pout]) \n\t" \ + "addu %[level], %[level], %[temp2] \n\t" \ + "sra %[level], %[level], 17 \n\t" \ + "slt %[temp4], %[max_level], %[level] \n\t" \ + "movn %[level], %[max_level], %[temp4] \n\t" \ + "andi %[temp6], %[sign], 0xffff \n\t" \ + "xor %[level], %[level], %[temp6] \n\t" \ + "subu %[level], %[level], %[temp6] \n\t" \ + "mul %[temp5], %[level], %[temp3] \n\t" \ + "or %[ret], %[ret], %[level] \n\t" \ + "sh %[level], " #N "(%[pout]) \n\t" \ + "sh %[temp5], " #J "(%[ppin]) \n\t" \ + "j 3f \n\t" \ +"2: \n\t" \ + "lhu %[temp1], " #J "+2(%[ppiq]) \n\t" \ + "srl %[temp5], %[coeff], 16 \n\t" \ + "mul %[level], %[temp5], %[temp1] \n\t" \ + "lw %[temp2], " #K "+4(%[ppbias]) \n\t" \ + "lhu %[temp3], " #J "+2(%[ppq]) \n\t" \ + "addu %[level], %[level], %[temp2] \n\t" \ + "sra %[level], %[level], 17 \n\t" \ + "srl %[temp6], %[sign], 16 \n\t" \ + "slt %[temp4], %[max_level], %[level] \n\t" \ + "movn %[level], %[max_level], %[temp4] \n\t" \ + "xor %[level], %[level], %[temp6] \n\t" \ + "subu %[level], %[level], %[temp6] \n\t" \ + "mul %[temp5], %[level], %[temp3] \n\t" \ + "sh $0, " #J "(%[ppin]) \n\t" \ + "sh $0, " #N "(%[pout]) \n\t" \ + "or %[ret], %[ret], %[level] \n\t" \ + "sh %[temp5], " #J "+2(%[ppin]) \n\t" \ + "sh %[level], " #N1 "(%[pout]) \n\t" \ + "j 3f \n\t" \ +"1: \n\t" \ + "lhu %[temp1], " #J "(%[ppiq]) \n\t" \ + "lw %[temp2], " #K "(%[ppbias]) \n\t" \ + "ulw %[temp3], " #J "(%[ppq]) \n\t" \ + "andi %[temp5], %[coeff], 0xffff \n\t" \ + "srl %[temp0], %[coeff], 16 \n\t" \ + "lhu %[temp6], " #J "+2(%[ppiq]) \n\t" \ + "lw %[coeff], " #K "+4(%[ppbias]) \n\t" \ + "mul %[level], %[temp5], %[temp1] \n\t" \ + "mul %[temp4], %[temp0], %[temp6] \n\t" \ + "addu %[level], %[level], %[temp2] \n\t" \ + "addu %[temp4], %[temp4], %[coeff] \n\t" \ + "precrq.ph.w %[level], %[temp4], %[level] \n\t" \ + "shra.ph %[level], %[level], 1 \n\t" \ + "cmp.lt.ph %[max_level1],%[level] \n\t" \ + "pick.ph %[level], %[max_level], %[level] \n\t" \ + "xor %[level], %[level], %[sign] \n\t" \ + "subu.ph %[level], %[level], %[sign] \n\t" \ + "mul.ph %[temp3], %[level], %[temp3] \n\t" \ + "or %[ret], %[ret], %[level] \n\t" \ + "sh %[level], " #N "(%[pout]) \n\t" \ + "srl %[level], %[level], 16 \n\t" \ + "sh %[level], " #N1 "(%[pout]) \n\t" \ + "usw %[temp3], " #J "(%[ppin]) \n\t" \ + "j 3f \n\t" \ +"0: \n\t" \ + "sh $0, " #N "(%[pout]) \n\t" \ + "sh $0, " #N1 "(%[pout]) \n\t" \ + "usw $0, " #J "(%[ppin]) \n\t" \ +"3: \n\t" + +static int QuantizeBlock_MIPSdspR2(int16_t in[16], int16_t out[16], + const VP8Matrix* const mtx) { + int temp0, temp1, temp2, temp3, temp4, temp5,temp6; + int sign, coeff, level; + int max_level = MAX_LEVEL; + int max_level1 = max_level << 16 | max_level; + int ret = 0; + + int16_t* ppin = &in[0]; + int16_t* pout = &out[0]; + const uint16_t* ppsharpen = &mtx->sharpen_[0]; + const uint32_t* ppzthresh = &mtx->zthresh_[0]; + const uint16_t* ppq = &mtx->q_[0]; + const uint16_t* ppiq = &mtx->iq_[0]; + const uint32_t* ppbias = &mtx->bias_[0]; + + __asm__ volatile ( + QUANTIZE_ONE( 0, 0, 0, 2) + QUANTIZE_ONE( 4, 8, 10, 12) + QUANTIZE_ONE( 8, 16, 4, 8) + QUANTIZE_ONE(12, 24, 14, 24) + QUANTIZE_ONE(16, 32, 6, 16) + QUANTIZE_ONE(20, 40, 22, 26) + QUANTIZE_ONE(24, 48, 18, 20) + QUANTIZE_ONE(28, 56, 28, 30) + + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), + [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), + [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [sign]"=&r"(sign), [coeff]"=&r"(coeff), + [level]"=&r"(level), [temp6]"=&r"(temp6), [ret]"+&r"(ret) + : [ppin]"r"(ppin), [pout]"r"(pout), [max_level1]"r"(max_level1), + [ppiq]"r"(ppiq), [max_level]"r"(max_level), + [ppbias]"r"(ppbias), [ppzthresh]"r"(ppzthresh), + [ppsharpen]"r"(ppsharpen), [ppq]"r"(ppq) + : "memory", "hi", "lo" + ); + + return (ret != 0); +} + +static int Quantize2Blocks_MIPSdspR2(int16_t in[32], int16_t out[32], + const VP8Matrix* const mtx) { + int nz; + nz = QuantizeBlock_MIPSdspR2(in + 0 * 16, out + 0 * 16, mtx) << 0; + nz |= QuantizeBlock_MIPSdspR2(in + 1 * 16, out + 1 * 16, mtx) << 1; + return nz; +} + +#undef QUANTIZE_ONE + +// macro for one horizontal pass in FTransformWHT +// temp0..temp7 holds tmp[0]..tmp[15] +// A, B, C, D - offset in bytes to load from in buffer +// TEMP0, TEMP1 - registers for corresponding tmp elements +#define HORIZONTAL_PASS_WHT(A, B, C, D, TEMP0, TEMP1) \ + "lh %[" #TEMP0 "], " #A "(%[in]) \n\t" \ + "lh %[" #TEMP1 "], " #B "(%[in]) \n\t" \ + "lh %[temp8], " #C "(%[in]) \n\t" \ + "lh %[temp9], " #D "(%[in]) \n\t" \ + "ins %[" #TEMP1 "], %[" #TEMP0 "], 16, 16 \n\t" \ + "ins %[temp9], %[temp8], 16, 16 \n\t" \ + "subq.ph %[temp8], %[" #TEMP1 "], %[temp9] \n\t" \ + "addq.ph %[temp9], %[" #TEMP1 "], %[temp9] \n\t" \ + "precrq.ph.w %[" #TEMP0 "], %[temp8], %[temp9] \n\t" \ + "append %[temp8], %[temp9], 16 \n\t" \ + "subq.ph %[" #TEMP1 "], %[" #TEMP0 "], %[temp8] \n\t" \ + "addq.ph %[" #TEMP0 "], %[" #TEMP0 "], %[temp8] \n\t" \ + "rotr %[" #TEMP1 "], %[" #TEMP1 "], 16 \n\t" + +// macro for one vertical pass in FTransformWHT +// temp0..temp7 holds tmp[0]..tmp[15] +// A, B, C, D - offsets in bytes to store to out buffer +// TEMP0, TEMP2, TEMP4 and TEMP6 - registers for corresponding tmp elements +#define VERTICAL_PASS_WHT(A, B, C, D, TEMP0, TEMP2, TEMP4, TEMP6) \ + "addq.ph %[temp8], %[" #TEMP0 "], %[" #TEMP4 "] \n\t" \ + "addq.ph %[temp9], %[" #TEMP2 "], %[" #TEMP6 "] \n\t" \ + "subq.ph %[" #TEMP2 "], %[" #TEMP2 "], %[" #TEMP6 "] \n\t" \ + "subq.ph %[" #TEMP6 "], %[" #TEMP0 "], %[" #TEMP4 "] \n\t" \ + "addqh.ph %[" #TEMP0 "], %[temp8], %[temp9] \n\t" \ + "subqh.ph %[" #TEMP4 "], %[" #TEMP6 "], %[" #TEMP2 "] \n\t" \ + "addqh.ph %[" #TEMP2 "], %[" #TEMP2 "], %[" #TEMP6 "] \n\t" \ + "subqh.ph %[" #TEMP6 "], %[temp8], %[temp9] \n\t" \ + "usw %[" #TEMP0 "], " #A "(%[out]) \n\t" \ + "usw %[" #TEMP2 "], " #B "(%[out]) \n\t" \ + "usw %[" #TEMP4 "], " #C "(%[out]) \n\t" \ + "usw %[" #TEMP6 "], " #D "(%[out]) \n\t" + +static void FTransformWHT_MIPSdspR2(const int16_t* in, int16_t* out) { + int temp0, temp1, temp2, temp3, temp4; + int temp5, temp6, temp7, temp8, temp9; + + __asm__ volatile ( + HORIZONTAL_PASS_WHT( 0, 32, 64, 96, temp0, temp1) + HORIZONTAL_PASS_WHT(128, 160, 192, 224, temp2, temp3) + HORIZONTAL_PASS_WHT(256, 288, 320, 352, temp4, temp5) + HORIZONTAL_PASS_WHT(384, 416, 448, 480, temp6, temp7) + VERTICAL_PASS_WHT(0, 8, 16, 24, temp0, temp2, temp4, temp6) + VERTICAL_PASS_WHT(4, 12, 20, 28, temp1, temp3, temp5, temp7) + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), + [temp9]"=&r"(temp9) + : [in]"r"(in), [out]"r"(out) + : "memory" + ); +} + +#undef VERTICAL_PASS_WHT +#undef HORIZONTAL_PASS_WHT + +// macro for converting coefficients to bin +// convert 8 coeffs at time +// A, B, C, D - offsets in bytes to load from out buffer +#define CONVERT_COEFFS_TO_BIN(A, B, C, D) \ + "ulw %[temp0], " #A "(%[out]) \n\t" \ + "ulw %[temp1], " #B "(%[out]) \n\t" \ + "ulw %[temp2], " #C "(%[out]) \n\t" \ + "ulw %[temp3], " #D "(%[out]) \n\t" \ + "absq_s.ph %[temp0], %[temp0] \n\t" \ + "absq_s.ph %[temp1], %[temp1] \n\t" \ + "absq_s.ph %[temp2], %[temp2] \n\t" \ + "absq_s.ph %[temp3], %[temp3] \n\t" \ + "shra.ph %[temp0], %[temp0], 3 \n\t" \ + "shra.ph %[temp1], %[temp1], 3 \n\t" \ + "shra.ph %[temp2], %[temp2], 3 \n\t" \ + "shra.ph %[temp3], %[temp3], 3 \n\t" \ + "shll_s.ph %[temp0], %[temp0], 10 \n\t" \ + "shll_s.ph %[temp1], %[temp1], 10 \n\t" \ + "shll_s.ph %[temp2], %[temp2], 10 \n\t" \ + "shll_s.ph %[temp3], %[temp3], 10 \n\t" \ + "shrl.ph %[temp0], %[temp0], 10 \n\t" \ + "shrl.ph %[temp1], %[temp1], 10 \n\t" \ + "shrl.ph %[temp2], %[temp2], 10 \n\t" \ + "shrl.ph %[temp3], %[temp3], 10 \n\t" \ + "shll.ph %[temp0], %[temp0], 2 \n\t" \ + "shll.ph %[temp1], %[temp1], 2 \n\t" \ + "shll.ph %[temp2], %[temp2], 2 \n\t" \ + "shll.ph %[temp3], %[temp3], 2 \n\t" \ + "ext %[temp4], %[temp0], 0, 16 \n\t" \ + "ext %[temp0], %[temp0], 16, 16 \n\t" \ + "addu %[temp4], %[temp4], %[dist] \n\t" \ + "addu %[temp0], %[temp0], %[dist] \n\t" \ + "ext %[temp5], %[temp1], 0, 16 \n\t" \ + "lw %[temp8], 0(%[temp4]) \n\t" \ + "ext %[temp1], %[temp1], 16, 16 \n\t" \ + "addu %[temp5], %[temp5], %[dist] \n\t" \ + "addiu %[temp8], %[temp8], 1 \n\t" \ + "sw %[temp8], 0(%[temp4]) \n\t" \ + "lw %[temp8], 0(%[temp0]) \n\t" \ + "addu %[temp1], %[temp1], %[dist] \n\t" \ + "ext %[temp6], %[temp2], 0, 16 \n\t" \ + "addiu %[temp8], %[temp8], 1 \n\t" \ + "sw %[temp8], 0(%[temp0]) \n\t" \ + "lw %[temp8], 0(%[temp5]) \n\t" \ + "ext %[temp2], %[temp2], 16, 16 \n\t" \ + "addu %[temp6], %[temp6], %[dist] \n\t" \ + "addiu %[temp8], %[temp8], 1 \n\t" \ + "sw %[temp8], 0(%[temp5]) \n\t" \ + "lw %[temp8], 0(%[temp1]) \n\t" \ + "addu %[temp2], %[temp2], %[dist] \n\t" \ + "ext %[temp7], %[temp3], 0, 16 \n\t" \ + "addiu %[temp8], %[temp8], 1 \n\t" \ + "sw %[temp8], 0(%[temp1]) \n\t" \ + "lw %[temp8], 0(%[temp6]) \n\t" \ + "ext %[temp3], %[temp3], 16, 16 \n\t" \ + "addu %[temp7], %[temp7], %[dist] \n\t" \ + "addiu %[temp8], %[temp8], 1 \n\t" \ + "sw %[temp8], 0(%[temp6]) \n\t" \ + "lw %[temp8], 0(%[temp2]) \n\t" \ + "addu %[temp3], %[temp3], %[dist] \n\t" \ + "addiu %[temp8], %[temp8], 1 \n\t" \ + "sw %[temp8], 0(%[temp2]) \n\t" \ + "lw %[temp8], 0(%[temp7]) \n\t" \ + "addiu %[temp8], %[temp8], 1 \n\t" \ + "sw %[temp8], 0(%[temp7]) \n\t" \ + "lw %[temp8], 0(%[temp3]) \n\t" \ + "addiu %[temp8], %[temp8], 1 \n\t" \ + "sw %[temp8], 0(%[temp3]) \n\t" + +static void CollectHistogram_MIPSdspR2(const uint8_t* ref, const uint8_t* pred, + int start_block, int end_block, + VP8Histogram* const histo) { + int j; + int distribution[MAX_COEFF_THRESH + 1] = { 0 }; + const int max_coeff = (MAX_COEFF_THRESH << 16) + MAX_COEFF_THRESH; + for (j = start_block; j < end_block; ++j) { + int16_t out[16]; + int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8; + + VP8FTransform(ref + VP8DspScan[j], pred + VP8DspScan[j], out); + + // Convert coefficients to bin. + __asm__ volatile ( + CONVERT_COEFFS_TO_BIN( 0, 4, 8, 12) + CONVERT_COEFFS_TO_BIN(16, 20, 24, 28) + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8) + : [dist]"r"(distribution), [out]"r"(out), [max_coeff]"r"(max_coeff) + : "memory" + ); + } + VP8SetHistogramData(distribution, histo); +} + +#undef CONVERT_COEFFS_TO_BIN + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8EncDspInitMIPSdspR2(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInitMIPSdspR2(void) { + VP8FTransform = FTransform_MIPSdspR2; + VP8FTransformWHT = FTransformWHT_MIPSdspR2; + VP8ITransform = ITransform_MIPSdspR2; + + VP8TDisto4x4 = Disto4x4_MIPSdspR2; + VP8TDisto16x16 = Disto16x16_MIPSdspR2; + + VP8EncPredLuma16 = Intra16Preds_MIPSdspR2; + VP8EncPredChroma8 = IntraChromaPreds_MIPSdspR2; + VP8EncPredLuma4 = Intra4Preds_MIPSdspR2; + +#if !defined(WORK_AROUND_GCC) + VP8SSE16x16 = SSE16x16_MIPSdspR2; + VP8SSE8x8 = SSE8x8_MIPSdspR2; + VP8SSE16x8 = SSE16x8_MIPSdspR2; + VP8SSE4x4 = SSE4x4_MIPSdspR2; +#endif + + VP8EncQuantizeBlock = QuantizeBlock_MIPSdspR2; + VP8EncQuantize2Blocks = Quantize2Blocks_MIPSdspR2; + + VP8CollectHistogram = CollectHistogram_MIPSdspR2; +} + +#else // !WEBP_USE_MIPS_DSP_R2 + +WEBP_DSP_INIT_STUB(VP8EncDspInitMIPSdspR2) + +#endif // WEBP_USE_MIPS_DSP_R2 diff --git a/ProductApp/Pods/libwebp/src/dsp/enc_msa.c b/ProductApp/Pods/libwebp/src/dsp/enc_msa.c new file mode 100644 index 0000000..6f85add --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/enc_msa.c @@ -0,0 +1,896 @@ +// Copyright 2016 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// MSA version of encoder dsp functions. +// +// Author: Prashant Patil (prashant.patil@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MSA) + +#include +#include "src/dsp/msa_macro.h" +#include "src/enc/vp8i_enc.h" + +//------------------------------------------------------------------------------ +// Transforms + +#define IDCT_1D_W(in0, in1, in2, in3, out0, out1, out2, out3) do { \ + v4i32 a1_m, b1_m, c1_m, d1_m; \ + const v4i32 cospi8sqrt2minus1 = __msa_fill_w(20091); \ + const v4i32 sinpi8sqrt2 = __msa_fill_w(35468); \ + v4i32 c_tmp1_m = in1 * sinpi8sqrt2; \ + v4i32 c_tmp2_m = in3 * cospi8sqrt2minus1; \ + v4i32 d_tmp1_m = in1 * cospi8sqrt2minus1; \ + v4i32 d_tmp2_m = in3 * sinpi8sqrt2; \ + \ + ADDSUB2(in0, in2, a1_m, b1_m); \ + SRAI_W2_SW(c_tmp1_m, c_tmp2_m, 16); \ + c_tmp2_m = c_tmp2_m + in3; \ + c1_m = c_tmp1_m - c_tmp2_m; \ + SRAI_W2_SW(d_tmp1_m, d_tmp2_m, 16); \ + d_tmp1_m = d_tmp1_m + in1; \ + d1_m = d_tmp1_m + d_tmp2_m; \ + BUTTERFLY_4(a1_m, b1_m, c1_m, d1_m, out0, out1, out2, out3); \ +} while (0) + +static WEBP_INLINE void ITransformOne(const uint8_t* ref, const int16_t* in, + uint8_t* dst) { + v8i16 input0, input1; + v4i32 in0, in1, in2, in3, hz0, hz1, hz2, hz3, vt0, vt1, vt2, vt3; + v4i32 res0, res1, res2, res3; + v16i8 dest0, dest1, dest2, dest3; + const v16i8 zero = { 0 }; + + LD_SH2(in, 8, input0, input1); + UNPCK_SH_SW(input0, in0, in1); + UNPCK_SH_SW(input1, in2, in3); + IDCT_1D_W(in0, in1, in2, in3, hz0, hz1, hz2, hz3); + TRANSPOSE4x4_SW_SW(hz0, hz1, hz2, hz3, hz0, hz1, hz2, hz3); + IDCT_1D_W(hz0, hz1, hz2, hz3, vt0, vt1, vt2, vt3); + SRARI_W4_SW(vt0, vt1, vt2, vt3, 3); + TRANSPOSE4x4_SW_SW(vt0, vt1, vt2, vt3, vt0, vt1, vt2, vt3); + LD_SB4(ref, BPS, dest0, dest1, dest2, dest3); + ILVR_B4_SW(zero, dest0, zero, dest1, zero, dest2, zero, dest3, + res0, res1, res2, res3); + ILVR_H4_SW(zero, res0, zero, res1, zero, res2, zero, res3, + res0, res1, res2, res3); + ADD4(res0, vt0, res1, vt1, res2, vt2, res3, vt3, res0, res1, res2, res3); + CLIP_SW4_0_255(res0, res1, res2, res3); + PCKEV_B2_SW(res0, res1, res2, res3, vt0, vt1); + res0 = (v4i32)__msa_pckev_b((v16i8)vt0, (v16i8)vt1); + ST4x4_UB(res0, res0, 3, 2, 1, 0, dst, BPS); +} + +static void ITransform_MSA(const uint8_t* ref, const int16_t* in, uint8_t* dst, + int do_two) { + ITransformOne(ref, in, dst); + if (do_two) { + ITransformOne(ref + 4, in + 16, dst + 4); + } +} + +static void FTransform_MSA(const uint8_t* src, const uint8_t* ref, + int16_t* out) { + uint64_t out0, out1, out2, out3; + uint32_t in0, in1, in2, in3; + v4i32 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5; + v8i16 t0, t1, t2, t3; + v16u8 srcl0, srcl1, src0 = { 0 }, src1 = { 0 }; + const v8i16 mask0 = { 0, 4, 8, 12, 1, 5, 9, 13 }; + const v8i16 mask1 = { 3, 7, 11, 15, 2, 6, 10, 14 }; + const v8i16 mask2 = { 4, 0, 5, 1, 6, 2, 7, 3 }; + const v8i16 mask3 = { 0, 4, 1, 5, 2, 6, 3, 7 }; + const v8i16 cnst0 = { 2217, -5352, 2217, -5352, 2217, -5352, 2217, -5352 }; + const v8i16 cnst1 = { 5352, 2217, 5352, 2217, 5352, 2217, 5352, 2217 }; + + LW4(src, BPS, in0, in1, in2, in3); + INSERT_W4_UB(in0, in1, in2, in3, src0); + LW4(ref, BPS, in0, in1, in2, in3); + INSERT_W4_UB(in0, in1, in2, in3, src1); + ILVRL_B2_UB(src0, src1, srcl0, srcl1); + HSUB_UB2_SH(srcl0, srcl1, t0, t1); + VSHF_H2_SH(t0, t1, t0, t1, mask0, mask1, t2, t3); + ADDSUB2(t2, t3, t0, t1); + t0 = SRLI_H(t0, 3); + VSHF_H2_SH(t0, t0, t1, t1, mask2, mask3, t3, t2); + tmp0 = __msa_hadd_s_w(t3, t3); + tmp2 = __msa_hsub_s_w(t3, t3); + FILL_W2_SW(1812, 937, tmp1, tmp3); + DPADD_SH2_SW(t2, t2, cnst0, cnst1, tmp3, tmp1); + SRAI_W2_SW(tmp1, tmp3, 9); + PCKEV_H2_SH(tmp1, tmp0, tmp3, tmp2, t0, t1); + VSHF_H2_SH(t0, t1, t0, t1, mask0, mask1, t2, t3); + ADDSUB2(t2, t3, t0, t1); + VSHF_H2_SH(t0, t0, t1, t1, mask2, mask3, t3, t2); + tmp0 = __msa_hadd_s_w(t3, t3); + tmp2 = __msa_hsub_s_w(t3, t3); + ADDVI_W2_SW(tmp0, 7, tmp2, 7, tmp0, tmp2); + SRAI_W2_SW(tmp0, tmp2, 4); + FILL_W2_SW(12000, 51000, tmp1, tmp3); + DPADD_SH2_SW(t2, t2, cnst0, cnst1, tmp3, tmp1); + SRAI_W2_SW(tmp1, tmp3, 16); + UNPCK_R_SH_SW(t1, tmp4); + tmp5 = __msa_ceqi_w(tmp4, 0); + tmp4 = (v4i32)__msa_nor_v((v16u8)tmp5, (v16u8)tmp5); + tmp5 = __msa_fill_w(1); + tmp5 = (v4i32)__msa_and_v((v16u8)tmp5, (v16u8)tmp4); + tmp1 += tmp5; + PCKEV_H2_SH(tmp1, tmp0, tmp3, tmp2, t0, t1); + out0 = __msa_copy_s_d((v2i64)t0, 0); + out1 = __msa_copy_s_d((v2i64)t0, 1); + out2 = __msa_copy_s_d((v2i64)t1, 0); + out3 = __msa_copy_s_d((v2i64)t1, 1); + SD4(out0, out1, out2, out3, out, 8); +} + +static void FTransformWHT_MSA(const int16_t* in, int16_t* out) { + v8i16 in0 = { 0 }; + v8i16 in1 = { 0 }; + v8i16 tmp0, tmp1, tmp2, tmp3; + v8i16 out0, out1; + const v8i16 mask0 = { 0, 1, 2, 3, 8, 9, 10, 11 }; + const v8i16 mask1 = { 4, 5, 6, 7, 12, 13, 14, 15 }; + const v8i16 mask2 = { 0, 4, 8, 12, 1, 5, 9, 13 }; + const v8i16 mask3 = { 3, 7, 11, 15, 2, 6, 10, 14 }; + + in0 = __msa_insert_h(in0, 0, in[ 0]); + in0 = __msa_insert_h(in0, 1, in[ 64]); + in0 = __msa_insert_h(in0, 2, in[128]); + in0 = __msa_insert_h(in0, 3, in[192]); + in0 = __msa_insert_h(in0, 4, in[ 16]); + in0 = __msa_insert_h(in0, 5, in[ 80]); + in0 = __msa_insert_h(in0, 6, in[144]); + in0 = __msa_insert_h(in0, 7, in[208]); + in1 = __msa_insert_h(in1, 0, in[ 48]); + in1 = __msa_insert_h(in1, 1, in[112]); + in1 = __msa_insert_h(in1, 2, in[176]); + in1 = __msa_insert_h(in1, 3, in[240]); + in1 = __msa_insert_h(in1, 4, in[ 32]); + in1 = __msa_insert_h(in1, 5, in[ 96]); + in1 = __msa_insert_h(in1, 6, in[160]); + in1 = __msa_insert_h(in1, 7, in[224]); + ADDSUB2(in0, in1, tmp0, tmp1); + VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask0, mask1, tmp2, tmp3); + ADDSUB2(tmp2, tmp3, tmp0, tmp1); + VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask2, mask3, in0, in1); + ADDSUB2(in0, in1, tmp0, tmp1); + VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask0, mask1, tmp2, tmp3); + ADDSUB2(tmp2, tmp3, out0, out1); + SRAI_H2_SH(out0, out1, 1); + ST_SH2(out0, out1, out, 8); +} + +static int TTransform_MSA(const uint8_t* in, const uint16_t* w) { + int sum; + uint32_t in0_m, in1_m, in2_m, in3_m; + v16i8 src0 = { 0 }; + v8i16 in0, in1, tmp0, tmp1, tmp2, tmp3; + v4i32 dst0, dst1; + const v16i8 zero = { 0 }; + const v8i16 mask0 = { 0, 1, 2, 3, 8, 9, 10, 11 }; + const v8i16 mask1 = { 4, 5, 6, 7, 12, 13, 14, 15 }; + const v8i16 mask2 = { 0, 4, 8, 12, 1, 5, 9, 13 }; + const v8i16 mask3 = { 3, 7, 11, 15, 2, 6, 10, 14 }; + + LW4(in, BPS, in0_m, in1_m, in2_m, in3_m); + INSERT_W4_SB(in0_m, in1_m, in2_m, in3_m, src0); + ILVRL_B2_SH(zero, src0, tmp0, tmp1); + VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask2, mask3, in0, in1); + ADDSUB2(in0, in1, tmp0, tmp1); + VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask0, mask1, tmp2, tmp3); + ADDSUB2(tmp2, tmp3, tmp0, tmp1); + VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask2, mask3, in0, in1); + ADDSUB2(in0, in1, tmp0, tmp1); + VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask0, mask1, tmp2, tmp3); + ADDSUB2(tmp2, tmp3, tmp0, tmp1); + tmp0 = __msa_add_a_h(tmp0, (v8i16)zero); + tmp1 = __msa_add_a_h(tmp1, (v8i16)zero); + LD_SH2(w, 8, tmp2, tmp3); + DOTP_SH2_SW(tmp0, tmp1, tmp2, tmp3, dst0, dst1); + dst0 = dst0 + dst1; + sum = HADD_SW_S32(dst0); + return sum; +} + +static int Disto4x4_MSA(const uint8_t* const a, const uint8_t* const b, + const uint16_t* const w) { + const int sum1 = TTransform_MSA(a, w); + const int sum2 = TTransform_MSA(b, w); + return abs(sum2 - sum1) >> 5; +} + +static int Disto16x16_MSA(const uint8_t* const a, const uint8_t* const b, + const uint16_t* const w) { + int D = 0; + int x, y; + for (y = 0; y < 16 * BPS; y += 4 * BPS) { + for (x = 0; x < 16; x += 4) { + D += Disto4x4_MSA(a + x + y, b + x + y, w); + } + } + return D; +} + +//------------------------------------------------------------------------------ +// Histogram + +static void CollectHistogram_MSA(const uint8_t* ref, const uint8_t* pred, + int start_block, int end_block, + VP8Histogram* const histo) { + int j; + int distribution[MAX_COEFF_THRESH + 1] = { 0 }; + for (j = start_block; j < end_block; ++j) { + int16_t out[16]; + VP8FTransform(ref + VP8DspScan[j], pred + VP8DspScan[j], out); + { + int k; + v8i16 coeff0, coeff1; + const v8i16 zero = { 0 }; + const v8i16 max_coeff_thr = __msa_ldi_h(MAX_COEFF_THRESH); + LD_SH2(&out[0], 8, coeff0, coeff1); + coeff0 = __msa_add_a_h(coeff0, zero); + coeff1 = __msa_add_a_h(coeff1, zero); + SRAI_H2_SH(coeff0, coeff1, 3); + coeff0 = __msa_min_s_h(coeff0, max_coeff_thr); + coeff1 = __msa_min_s_h(coeff1, max_coeff_thr); + ST_SH2(coeff0, coeff1, &out[0], 8); + for (k = 0; k < 16; ++k) { + ++distribution[out[k]]; + } + } + } + VP8SetHistogramData(distribution, histo); +} + +//------------------------------------------------------------------------------ +// Intra predictions + +// luma 4x4 prediction + +#define DST(x, y) dst[(x) + (y) * BPS] +#define AVG3(a, b, c) (((a) + 2 * (b) + (c) + 2) >> 2) +#define AVG2(a, b) (((a) + (b) + 1) >> 1) + +static WEBP_INLINE void VE4(uint8_t* dst, const uint8_t* top) { // vertical + const v16u8 A1 = { 0 }; + const uint64_t val_m = LD(top - 1); + const v16u8 A = (v16u8)__msa_insert_d((v2i64)A1, 0, val_m); + const v16u8 B = SLDI_UB(A, A, 1); + const v16u8 C = SLDI_UB(A, A, 2); + const v16u8 AC = __msa_ave_u_b(A, C); + const v16u8 B2 = __msa_ave_u_b(B, B); + const v16u8 R = __msa_aver_u_b(AC, B2); + const uint32_t out = __msa_copy_s_w((v4i32)R, 0); + SW4(out, out, out, out, dst, BPS); +} + +static WEBP_INLINE void HE4(uint8_t* dst, const uint8_t* top) { // horizontal + const int X = top[-1]; + const int I = top[-2]; + const int J = top[-3]; + const int K = top[-4]; + const int L = top[-5]; + WebPUint32ToMem(dst + 0 * BPS, 0x01010101U * AVG3(X, I, J)); + WebPUint32ToMem(dst + 1 * BPS, 0x01010101U * AVG3(I, J, K)); + WebPUint32ToMem(dst + 2 * BPS, 0x01010101U * AVG3(J, K, L)); + WebPUint32ToMem(dst + 3 * BPS, 0x01010101U * AVG3(K, L, L)); +} + +static WEBP_INLINE void DC4(uint8_t* dst, const uint8_t* top) { + uint32_t dc = 4; + int i; + for (i = 0; i < 4; ++i) dc += top[i] + top[-5 + i]; + dc >>= 3; + dc = dc | (dc << 8) | (dc << 16) | (dc << 24); + SW4(dc, dc, dc, dc, dst, BPS); +} + +static WEBP_INLINE void RD4(uint8_t* dst, const uint8_t* top) { + const v16u8 A2 = { 0 }; + const uint64_t val_m = LD(top - 5); + const v16u8 A1 = (v16u8)__msa_insert_d((v2i64)A2, 0, val_m); + const v16u8 A = (v16u8)__msa_insert_b((v16i8)A1, 8, top[3]); + const v16u8 B = SLDI_UB(A, A, 1); + const v16u8 C = SLDI_UB(A, A, 2); + const v16u8 AC = __msa_ave_u_b(A, C); + const v16u8 B2 = __msa_ave_u_b(B, B); + const v16u8 R0 = __msa_aver_u_b(AC, B2); + const v16u8 R1 = SLDI_UB(R0, R0, 1); + const v16u8 R2 = SLDI_UB(R1, R1, 1); + const v16u8 R3 = SLDI_UB(R2, R2, 1); + const uint32_t val0 = __msa_copy_s_w((v4i32)R0, 0); + const uint32_t val1 = __msa_copy_s_w((v4i32)R1, 0); + const uint32_t val2 = __msa_copy_s_w((v4i32)R2, 0); + const uint32_t val3 = __msa_copy_s_w((v4i32)R3, 0); + SW4(val3, val2, val1, val0, dst, BPS); +} + +static WEBP_INLINE void LD4(uint8_t* dst, const uint8_t* top) { + const v16u8 A1 = { 0 }; + const uint64_t val_m = LD(top); + const v16u8 A = (v16u8)__msa_insert_d((v2i64)A1, 0, val_m); + const v16u8 B = SLDI_UB(A, A, 1); + const v16u8 C1 = SLDI_UB(A, A, 2); + const v16u8 C = (v16u8)__msa_insert_b((v16i8)C1, 6, top[7]); + const v16u8 AC = __msa_ave_u_b(A, C); + const v16u8 B2 = __msa_ave_u_b(B, B); + const v16u8 R0 = __msa_aver_u_b(AC, B2); + const v16u8 R1 = SLDI_UB(R0, R0, 1); + const v16u8 R2 = SLDI_UB(R1, R1, 1); + const v16u8 R3 = SLDI_UB(R2, R2, 1); + const uint32_t val0 = __msa_copy_s_w((v4i32)R0, 0); + const uint32_t val1 = __msa_copy_s_w((v4i32)R1, 0); + const uint32_t val2 = __msa_copy_s_w((v4i32)R2, 0); + const uint32_t val3 = __msa_copy_s_w((v4i32)R3, 0); + SW4(val0, val1, val2, val3, dst, BPS); +} + +static WEBP_INLINE void VR4(uint8_t* dst, const uint8_t* top) { + const int X = top[-1]; + const int I = top[-2]; + const int J = top[-3]; + const int K = top[-4]; + const int A = top[0]; + const int B = top[1]; + const int C = top[2]; + const int D = top[3]; + DST(0, 0) = DST(1, 2) = AVG2(X, A); + DST(1, 0) = DST(2, 2) = AVG2(A, B); + DST(2, 0) = DST(3, 2) = AVG2(B, C); + DST(3, 0) = AVG2(C, D); + DST(0, 3) = AVG3(K, J, I); + DST(0, 2) = AVG3(J, I, X); + DST(0, 1) = DST(1, 3) = AVG3(I, X, A); + DST(1, 1) = DST(2, 3) = AVG3(X, A, B); + DST(2, 1) = DST(3, 3) = AVG3(A, B, C); + DST(3, 1) = AVG3(B, C, D); +} + +static WEBP_INLINE void VL4(uint8_t* dst, const uint8_t* top) { + const int A = top[0]; + const int B = top[1]; + const int C = top[2]; + const int D = top[3]; + const int E = top[4]; + const int F = top[5]; + const int G = top[6]; + const int H = top[7]; + DST(0, 0) = AVG2(A, B); + DST(1, 0) = DST(0, 2) = AVG2(B, C); + DST(2, 0) = DST(1, 2) = AVG2(C, D); + DST(3, 0) = DST(2, 2) = AVG2(D, E); + DST(0, 1) = AVG3(A, B, C); + DST(1, 1) = DST(0, 3) = AVG3(B, C, D); + DST(2, 1) = DST(1, 3) = AVG3(C, D, E); + DST(3, 1) = DST(2, 3) = AVG3(D, E, F); + DST(3, 2) = AVG3(E, F, G); + DST(3, 3) = AVG3(F, G, H); +} + +static WEBP_INLINE void HU4(uint8_t* dst, const uint8_t* top) { + const int I = top[-2]; + const int J = top[-3]; + const int K = top[-4]; + const int L = top[-5]; + DST(0, 0) = AVG2(I, J); + DST(2, 0) = DST(0, 1) = AVG2(J, K); + DST(2, 1) = DST(0, 2) = AVG2(K, L); + DST(1, 0) = AVG3(I, J, K); + DST(3, 0) = DST(1, 1) = AVG3(J, K, L); + DST(3, 1) = DST(1, 2) = AVG3(K, L, L); + DST(3, 2) = DST(2, 2) = + DST(0, 3) = DST(1, 3) = DST(2, 3) = DST(3, 3) = L; +} + +static WEBP_INLINE void HD4(uint8_t* dst, const uint8_t* top) { + const int X = top[-1]; + const int I = top[-2]; + const int J = top[-3]; + const int K = top[-4]; + const int L = top[-5]; + const int A = top[0]; + const int B = top[1]; + const int C = top[2]; + DST(0, 0) = DST(2, 1) = AVG2(I, X); + DST(0, 1) = DST(2, 2) = AVG2(J, I); + DST(0, 2) = DST(2, 3) = AVG2(K, J); + DST(0, 3) = AVG2(L, K); + DST(3, 0) = AVG3(A, B, C); + DST(2, 0) = AVG3(X, A, B); + DST(1, 0) = DST(3, 1) = AVG3(I, X, A); + DST(1, 1) = DST(3, 2) = AVG3(J, I, X); + DST(1, 2) = DST(3, 3) = AVG3(K, J, I); + DST(1, 3) = AVG3(L, K, J); +} + +static WEBP_INLINE void TM4(uint8_t* dst, const uint8_t* top) { + const v16i8 zero = { 0 }; + const v8i16 TL = (v8i16)__msa_fill_h(top[-1]); + const v8i16 L0 = (v8i16)__msa_fill_h(top[-2]); + const v8i16 L1 = (v8i16)__msa_fill_h(top[-3]); + const v8i16 L2 = (v8i16)__msa_fill_h(top[-4]); + const v8i16 L3 = (v8i16)__msa_fill_h(top[-5]); + const v16u8 T1 = LD_UB(top); + const v8i16 T = (v8i16)__msa_ilvr_b(zero, (v16i8)T1); + const v8i16 d = T - TL; + v8i16 r0, r1, r2, r3; + ADD4(d, L0, d, L1, d, L2, d, L3, r0, r1, r2, r3); + CLIP_SH4_0_255(r0, r1, r2, r3); + PCKEV_ST4x4_UB(r0, r1, r2, r3, dst, BPS); +} + +#undef DST +#undef AVG3 +#undef AVG2 + +static void Intra4Preds_MSA(uint8_t* dst, const uint8_t* top) { + DC4(I4DC4 + dst, top); + TM4(I4TM4 + dst, top); + VE4(I4VE4 + dst, top); + HE4(I4HE4 + dst, top); + RD4(I4RD4 + dst, top); + VR4(I4VR4 + dst, top); + LD4(I4LD4 + dst, top); + VL4(I4VL4 + dst, top); + HD4(I4HD4 + dst, top); + HU4(I4HU4 + dst, top); +} + +// luma 16x16 prediction + +#define STORE16x16(out, dst) do { \ + ST_UB8(out, out, out, out, out, out, out, out, dst + 0 * BPS, BPS); \ + ST_UB8(out, out, out, out, out, out, out, out, dst + 8 * BPS, BPS); \ +} while (0) + +static WEBP_INLINE void VerticalPred16x16(uint8_t* dst, const uint8_t* top) { + if (top != NULL) { + const v16u8 out = LD_UB(top); + STORE16x16(out, dst); + } else { + const v16u8 out = (v16u8)__msa_fill_b(0x7f); + STORE16x16(out, dst); + } +} + +static WEBP_INLINE void HorizontalPred16x16(uint8_t* dst, + const uint8_t* left) { + if (left != NULL) { + int j; + for (j = 0; j < 16; j += 4) { + const v16u8 L0 = (v16u8)__msa_fill_b(left[0]); + const v16u8 L1 = (v16u8)__msa_fill_b(left[1]); + const v16u8 L2 = (v16u8)__msa_fill_b(left[2]); + const v16u8 L3 = (v16u8)__msa_fill_b(left[3]); + ST_UB4(L0, L1, L2, L3, dst, BPS); + dst += 4 * BPS; + left += 4; + } + } else { + const v16u8 out = (v16u8)__msa_fill_b(0x81); + STORE16x16(out, dst); + } +} + +static WEBP_INLINE void TrueMotion16x16(uint8_t* dst, const uint8_t* left, + const uint8_t* top) { + if (left != NULL) { + if (top != NULL) { + int j; + v8i16 d1, d2; + const v16i8 zero = { 0 }; + const v8i16 TL = (v8i16)__msa_fill_h(left[-1]); + const v16u8 T = LD_UB(top); + ILVRL_B2_SH(zero, T, d1, d2); + SUB2(d1, TL, d2, TL, d1, d2); + for (j = 0; j < 16; j += 4) { + v16i8 t0, t1, t2, t3; + v8i16 r0, r1, r2, r3, r4, r5, r6, r7; + const v8i16 L0 = (v8i16)__msa_fill_h(left[j + 0]); + const v8i16 L1 = (v8i16)__msa_fill_h(left[j + 1]); + const v8i16 L2 = (v8i16)__msa_fill_h(left[j + 2]); + const v8i16 L3 = (v8i16)__msa_fill_h(left[j + 3]); + ADD4(d1, L0, d1, L1, d1, L2, d1, L3, r0, r1, r2, r3); + ADD4(d2, L0, d2, L1, d2, L2, d2, L3, r4, r5, r6, r7); + CLIP_SH4_0_255(r0, r1, r2, r3); + CLIP_SH4_0_255(r4, r5, r6, r7); + PCKEV_B4_SB(r4, r0, r5, r1, r6, r2, r7, r3, t0, t1, t2, t3); + ST_SB4(t0, t1, t2, t3, dst, BPS); + dst += 4 * BPS; + } + } else { + HorizontalPred16x16(dst, left); + } + } else { + if (top != NULL) { + VerticalPred16x16(dst, top); + } else { + const v16u8 out = (v16u8)__msa_fill_b(0x81); + STORE16x16(out, dst); + } + } +} + +static WEBP_INLINE void DCMode16x16(uint8_t* dst, const uint8_t* left, + const uint8_t* top) { + int DC; + v16u8 out; + if (top != NULL && left != NULL) { + const v16u8 rtop = LD_UB(top); + const v8u16 dctop = __msa_hadd_u_h(rtop, rtop); + const v16u8 rleft = LD_UB(left); + const v8u16 dcleft = __msa_hadd_u_h(rleft, rleft); + const v8u16 dctemp = dctop + dcleft; + DC = HADD_UH_U32(dctemp); + DC = (DC + 16) >> 5; + } else if (left != NULL) { // left but no top + const v16u8 rleft = LD_UB(left); + const v8u16 dcleft = __msa_hadd_u_h(rleft, rleft); + DC = HADD_UH_U32(dcleft); + DC = (DC + DC + 16) >> 5; + } else if (top != NULL) { // top but no left + const v16u8 rtop = LD_UB(top); + const v8u16 dctop = __msa_hadd_u_h(rtop, rtop); + DC = HADD_UH_U32(dctop); + DC = (DC + DC + 16) >> 5; + } else { // no top, no left, nothing. + DC = 0x80; + } + out = (v16u8)__msa_fill_b(DC); + STORE16x16(out, dst); +} + +static void Intra16Preds_MSA(uint8_t* dst, + const uint8_t* left, const uint8_t* top) { + DCMode16x16(I16DC16 + dst, left, top); + VerticalPred16x16(I16VE16 + dst, top); + HorizontalPred16x16(I16HE16 + dst, left); + TrueMotion16x16(I16TM16 + dst, left, top); +} + +// Chroma 8x8 prediction + +#define CALC_DC8(in, out) do { \ + const v8u16 temp0 = __msa_hadd_u_h(in, in); \ + const v4u32 temp1 = __msa_hadd_u_w(temp0, temp0); \ + const v2i64 temp2 = (v2i64)__msa_hadd_u_d(temp1, temp1); \ + const v2i64 temp3 = __msa_splati_d(temp2, 1); \ + const v2i64 temp4 = temp3 + temp2; \ + const v16i8 temp5 = (v16i8)__msa_srari_d(temp4, 4); \ + const v2i64 temp6 = (v2i64)__msa_splati_b(temp5, 0); \ + out = __msa_copy_s_d(temp6, 0); \ +} while (0) + +#define STORE8x8(out, dst) do { \ + SD4(out, out, out, out, dst + 0 * BPS, BPS); \ + SD4(out, out, out, out, dst + 4 * BPS, BPS); \ +} while (0) + +static WEBP_INLINE void VerticalPred8x8(uint8_t* dst, const uint8_t* top) { + if (top != NULL) { + const uint64_t out = LD(top); + STORE8x8(out, dst); + } else { + const uint64_t out = 0x7f7f7f7f7f7f7f7fULL; + STORE8x8(out, dst); + } +} + +static WEBP_INLINE void HorizontalPred8x8(uint8_t* dst, const uint8_t* left) { + if (left != NULL) { + int j; + for (j = 0; j < 8; j += 4) { + const v16u8 L0 = (v16u8)__msa_fill_b(left[0]); + const v16u8 L1 = (v16u8)__msa_fill_b(left[1]); + const v16u8 L2 = (v16u8)__msa_fill_b(left[2]); + const v16u8 L3 = (v16u8)__msa_fill_b(left[3]); + const uint64_t out0 = __msa_copy_s_d((v2i64)L0, 0); + const uint64_t out1 = __msa_copy_s_d((v2i64)L1, 0); + const uint64_t out2 = __msa_copy_s_d((v2i64)L2, 0); + const uint64_t out3 = __msa_copy_s_d((v2i64)L3, 0); + SD4(out0, out1, out2, out3, dst, BPS); + dst += 4 * BPS; + left += 4; + } + } else { + const uint64_t out = 0x8181818181818181ULL; + STORE8x8(out, dst); + } +} + +static WEBP_INLINE void TrueMotion8x8(uint8_t* dst, const uint8_t* left, + const uint8_t* top) { + if (left != NULL) { + if (top != NULL) { + int j; + const v8i16 TL = (v8i16)__msa_fill_h(left[-1]); + const v16u8 T1 = LD_UB(top); + const v16i8 zero = { 0 }; + const v8i16 T = (v8i16)__msa_ilvr_b(zero, (v16i8)T1); + const v8i16 d = T - TL; + for (j = 0; j < 8; j += 4) { + uint64_t out0, out1, out2, out3; + v16i8 t0, t1; + v8i16 r0 = (v8i16)__msa_fill_h(left[j + 0]); + v8i16 r1 = (v8i16)__msa_fill_h(left[j + 1]); + v8i16 r2 = (v8i16)__msa_fill_h(left[j + 2]); + v8i16 r3 = (v8i16)__msa_fill_h(left[j + 3]); + ADD4(d, r0, d, r1, d, r2, d, r3, r0, r1, r2, r3); + CLIP_SH4_0_255(r0, r1, r2, r3); + PCKEV_B2_SB(r1, r0, r3, r2, t0, t1); + out0 = __msa_copy_s_d((v2i64)t0, 0); + out1 = __msa_copy_s_d((v2i64)t0, 1); + out2 = __msa_copy_s_d((v2i64)t1, 0); + out3 = __msa_copy_s_d((v2i64)t1, 1); + SD4(out0, out1, out2, out3, dst, BPS); + dst += 4 * BPS; + } + } else { + HorizontalPred8x8(dst, left); + } + } else { + if (top != NULL) { + VerticalPred8x8(dst, top); + } else { + const uint64_t out = 0x8181818181818181ULL; + STORE8x8(out, dst); + } + } +} + +static WEBP_INLINE void DCMode8x8(uint8_t* dst, const uint8_t* left, + const uint8_t* top) { + uint64_t out; + v16u8 src = { 0 }; + if (top != NULL && left != NULL) { + const uint64_t left_m = LD(left); + const uint64_t top_m = LD(top); + INSERT_D2_UB(left_m, top_m, src); + CALC_DC8(src, out); + } else if (left != NULL) { // left but no top + const uint64_t left_m = LD(left); + INSERT_D2_UB(left_m, left_m, src); + CALC_DC8(src, out); + } else if (top != NULL) { // top but no left + const uint64_t top_m = LD(top); + INSERT_D2_UB(top_m, top_m, src); + CALC_DC8(src, out); + } else { // no top, no left, nothing. + src = (v16u8)__msa_fill_b(0x80); + out = __msa_copy_s_d((v2i64)src, 0); + } + STORE8x8(out, dst); +} + +static void IntraChromaPreds_MSA(uint8_t* dst, const uint8_t* left, + const uint8_t* top) { + // U block + DCMode8x8(C8DC8 + dst, left, top); + VerticalPred8x8(C8VE8 + dst, top); + HorizontalPred8x8(C8HE8 + dst, left); + TrueMotion8x8(C8TM8 + dst, left, top); + // V block + dst += 8; + if (top != NULL) top += 8; + if (left != NULL) left += 16; + DCMode8x8(C8DC8 + dst, left, top); + VerticalPred8x8(C8VE8 + dst, top); + HorizontalPred8x8(C8HE8 + dst, left); + TrueMotion8x8(C8TM8 + dst, left, top); +} + +//------------------------------------------------------------------------------ +// Metric + +#define PACK_DOTP_UB4_SW(in0, in1, in2, in3, out0, out1, out2, out3) do { \ + v16u8 tmp0, tmp1; \ + v8i16 tmp2, tmp3; \ + ILVRL_B2_UB(in0, in1, tmp0, tmp1); \ + HSUB_UB2_SH(tmp0, tmp1, tmp2, tmp3); \ + DOTP_SH2_SW(tmp2, tmp3, tmp2, tmp3, out0, out1); \ + ILVRL_B2_UB(in2, in3, tmp0, tmp1); \ + HSUB_UB2_SH(tmp0, tmp1, tmp2, tmp3); \ + DOTP_SH2_SW(tmp2, tmp3, tmp2, tmp3, out2, out3); \ +} while (0) + +#define PACK_DPADD_UB4_SW(in0, in1, in2, in3, out0, out1, out2, out3) do { \ + v16u8 tmp0, tmp1; \ + v8i16 tmp2, tmp3; \ + ILVRL_B2_UB(in0, in1, tmp0, tmp1); \ + HSUB_UB2_SH(tmp0, tmp1, tmp2, tmp3); \ + DPADD_SH2_SW(tmp2, tmp3, tmp2, tmp3, out0, out1); \ + ILVRL_B2_UB(in2, in3, tmp0, tmp1); \ + HSUB_UB2_SH(tmp0, tmp1, tmp2, tmp3); \ + DPADD_SH2_SW(tmp2, tmp3, tmp2, tmp3, out2, out3); \ +} while (0) + +static int SSE16x16_MSA(const uint8_t* a, const uint8_t* b) { + uint32_t sum; + v16u8 src0, src1, src2, src3, src4, src5, src6, src7; + v16u8 ref0, ref1, ref2, ref3, ref4, ref5, ref6, ref7; + v4i32 out0, out1, out2, out3; + + LD_UB8(a, BPS, src0, src1, src2, src3, src4, src5, src6, src7); + LD_UB8(b, BPS, ref0, ref1, ref2, ref3, ref4, ref5, ref6, ref7); + PACK_DOTP_UB4_SW(src0, ref0, src1, ref1, out0, out1, out2, out3); + PACK_DPADD_UB4_SW(src2, ref2, src3, ref3, out0, out1, out2, out3); + PACK_DPADD_UB4_SW(src4, ref4, src5, ref5, out0, out1, out2, out3); + PACK_DPADD_UB4_SW(src6, ref6, src7, ref7, out0, out1, out2, out3); + a += 8 * BPS; + b += 8 * BPS; + LD_UB8(a, BPS, src0, src1, src2, src3, src4, src5, src6, src7); + LD_UB8(b, BPS, ref0, ref1, ref2, ref3, ref4, ref5, ref6, ref7); + PACK_DPADD_UB4_SW(src0, ref0, src1, ref1, out0, out1, out2, out3); + PACK_DPADD_UB4_SW(src2, ref2, src3, ref3, out0, out1, out2, out3); + PACK_DPADD_UB4_SW(src4, ref4, src5, ref5, out0, out1, out2, out3); + PACK_DPADD_UB4_SW(src6, ref6, src7, ref7, out0, out1, out2, out3); + out0 += out1; + out2 += out3; + out0 += out2; + sum = HADD_SW_S32(out0); + return sum; +} + +static int SSE16x8_MSA(const uint8_t* a, const uint8_t* b) { + uint32_t sum; + v16u8 src0, src1, src2, src3, src4, src5, src6, src7; + v16u8 ref0, ref1, ref2, ref3, ref4, ref5, ref6, ref7; + v4i32 out0, out1, out2, out3; + + LD_UB8(a, BPS, src0, src1, src2, src3, src4, src5, src6, src7); + LD_UB8(b, BPS, ref0, ref1, ref2, ref3, ref4, ref5, ref6, ref7); + PACK_DOTP_UB4_SW(src0, ref0, src1, ref1, out0, out1, out2, out3); + PACK_DPADD_UB4_SW(src2, ref2, src3, ref3, out0, out1, out2, out3); + PACK_DPADD_UB4_SW(src4, ref4, src5, ref5, out0, out1, out2, out3); + PACK_DPADD_UB4_SW(src6, ref6, src7, ref7, out0, out1, out2, out3); + out0 += out1; + out2 += out3; + out0 += out2; + sum = HADD_SW_S32(out0); + return sum; +} + +static int SSE8x8_MSA(const uint8_t* a, const uint8_t* b) { + uint32_t sum; + v16u8 src0, src1, src2, src3, src4, src5, src6, src7; + v16u8 ref0, ref1, ref2, ref3, ref4, ref5, ref6, ref7; + v16u8 t0, t1, t2, t3; + v4i32 out0, out1, out2, out3; + + LD_UB8(a, BPS, src0, src1, src2, src3, src4, src5, src6, src7); + LD_UB8(b, BPS, ref0, ref1, ref2, ref3, ref4, ref5, ref6, ref7); + ILVR_B4_UB(src0, src1, src2, src3, ref0, ref1, ref2, ref3, t0, t1, t2, t3); + PACK_DOTP_UB4_SW(t0, t2, t1, t3, out0, out1, out2, out3); + ILVR_B4_UB(src4, src5, src6, src7, ref4, ref5, ref6, ref7, t0, t1, t2, t3); + PACK_DPADD_UB4_SW(t0, t2, t1, t3, out0, out1, out2, out3); + out0 += out1; + out2 += out3; + out0 += out2; + sum = HADD_SW_S32(out0); + return sum; +} + +static int SSE4x4_MSA(const uint8_t* a, const uint8_t* b) { + uint32_t sum = 0; + uint32_t src0, src1, src2, src3, ref0, ref1, ref2, ref3; + v16u8 src = { 0 }, ref = { 0 }, tmp0, tmp1; + v8i16 diff0, diff1; + v4i32 out0, out1; + + LW4(a, BPS, src0, src1, src2, src3); + LW4(b, BPS, ref0, ref1, ref2, ref3); + INSERT_W4_UB(src0, src1, src2, src3, src); + INSERT_W4_UB(ref0, ref1, ref2, ref3, ref); + ILVRL_B2_UB(src, ref, tmp0, tmp1); + HSUB_UB2_SH(tmp0, tmp1, diff0, diff1); + DOTP_SH2_SW(diff0, diff1, diff0, diff1, out0, out1); + out0 += out1; + sum = HADD_SW_S32(out0); + return sum; +} + +//------------------------------------------------------------------------------ +// Quantization + +static int QuantizeBlock_MSA(int16_t in[16], int16_t out[16], + const VP8Matrix* const mtx) { + int sum; + v8i16 in0, in1, sh0, sh1, out0, out1; + v8i16 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, sign0, sign1; + v4i32 s0, s1, s2, s3, b0, b1, b2, b3, t0, t1, t2, t3; + const v8i16 zero = { 0 }; + const v8i16 zigzag0 = { 0, 1, 4, 8, 5, 2, 3, 6 }; + const v8i16 zigzag1 = { 9, 12, 13, 10, 7, 11, 14, 15 }; + const v8i16 maxlevel = __msa_fill_h(MAX_LEVEL); + + LD_SH2(&in[0], 8, in0, in1); + LD_SH2(&mtx->sharpen_[0], 8, sh0, sh1); + tmp4 = __msa_add_a_h(in0, zero); + tmp5 = __msa_add_a_h(in1, zero); + ILVRL_H2_SH(sh0, tmp4, tmp0, tmp1); + ILVRL_H2_SH(sh1, tmp5, tmp2, tmp3); + HADD_SH4_SW(tmp0, tmp1, tmp2, tmp3, s0, s1, s2, s3); + sign0 = (in0 < zero); + sign1 = (in1 < zero); // sign + LD_SH2(&mtx->iq_[0], 8, tmp0, tmp1); // iq + ILVRL_H2_SW(zero, tmp0, t0, t1); + ILVRL_H2_SW(zero, tmp1, t2, t3); + LD_SW4(&mtx->bias_[0], 4, b0, b1, b2, b3); // bias + MUL4(t0, s0, t1, s1, t2, s2, t3, s3, t0, t1, t2, t3); + ADD4(b0, t0, b1, t1, b2, t2, b3, t3, b0, b1, b2, b3); + SRAI_W4_SW(b0, b1, b2, b3, 17); + PCKEV_H2_SH(b1, b0, b3, b2, tmp2, tmp3); + tmp0 = (tmp2 > maxlevel); + tmp1 = (tmp3 > maxlevel); + tmp2 = (v8i16)__msa_bmnz_v((v16u8)tmp2, (v16u8)maxlevel, (v16u8)tmp0); + tmp3 = (v8i16)__msa_bmnz_v((v16u8)tmp3, (v16u8)maxlevel, (v16u8)tmp1); + SUB2(zero, tmp2, zero, tmp3, tmp0, tmp1); + tmp2 = (v8i16)__msa_bmnz_v((v16u8)tmp2, (v16u8)tmp0, (v16u8)sign0); + tmp3 = (v8i16)__msa_bmnz_v((v16u8)tmp3, (v16u8)tmp1, (v16u8)sign1); + LD_SW4(&mtx->zthresh_[0], 4, t0, t1, t2, t3); // zthresh + t0 = (s0 > t0); + t1 = (s1 > t1); + t2 = (s2 > t2); + t3 = (s3 > t3); + PCKEV_H2_SH(t1, t0, t3, t2, tmp0, tmp1); + tmp4 = (v8i16)__msa_bmnz_v((v16u8)zero, (v16u8)tmp2, (v16u8)tmp0); + tmp5 = (v8i16)__msa_bmnz_v((v16u8)zero, (v16u8)tmp3, (v16u8)tmp1); + LD_SH2(&mtx->q_[0], 8, tmp0, tmp1); + MUL2(tmp4, tmp0, tmp5, tmp1, in0, in1); + VSHF_H2_SH(tmp4, tmp5, tmp4, tmp5, zigzag0, zigzag1, out0, out1); + ST_SH2(in0, in1, &in[0], 8); + ST_SH2(out0, out1, &out[0], 8); + out0 = __msa_add_a_h(out0, out1); + sum = HADD_SH_S32(out0); + return (sum > 0); +} + +static int Quantize2Blocks_MSA(int16_t in[32], int16_t out[32], + const VP8Matrix* const mtx) { + int nz; + nz = VP8EncQuantizeBlock(in + 0 * 16, out + 0 * 16, mtx) << 0; + nz |= VP8EncQuantizeBlock(in + 1 * 16, out + 1 * 16, mtx) << 1; + return nz; +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8EncDspInitMSA(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInitMSA(void) { + VP8ITransform = ITransform_MSA; + VP8FTransform = FTransform_MSA; + VP8FTransformWHT = FTransformWHT_MSA; + + VP8TDisto4x4 = Disto4x4_MSA; + VP8TDisto16x16 = Disto16x16_MSA; + VP8CollectHistogram = CollectHistogram_MSA; + + VP8EncPredLuma4 = Intra4Preds_MSA; + VP8EncPredLuma16 = Intra16Preds_MSA; + VP8EncPredChroma8 = IntraChromaPreds_MSA; + + VP8SSE16x16 = SSE16x16_MSA; + VP8SSE16x8 = SSE16x8_MSA; + VP8SSE8x8 = SSE8x8_MSA; + VP8SSE4x4 = SSE4x4_MSA; + + VP8EncQuantizeBlock = QuantizeBlock_MSA; + VP8EncQuantize2Blocks = Quantize2Blocks_MSA; + VP8EncQuantizeBlockWHT = QuantizeBlock_MSA; +} + +#else // !WEBP_USE_MSA + +WEBP_DSP_INIT_STUB(VP8EncDspInitMSA) + +#endif // WEBP_USE_MSA diff --git a/ProductApp/Pods/libwebp/src/dsp/enc_neon.c b/ProductApp/Pods/libwebp/src/dsp/enc_neon.c new file mode 100644 index 0000000..7148003 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/enc_neon.c @@ -0,0 +1,943 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// ARM NEON version of speed-critical encoding functions. +// +// adapted from libvpx (https://www.webmproject.org/code/) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_NEON) + +#include + +#include "src/dsp/neon.h" +#include "src/enc/vp8i_enc.h" + +//------------------------------------------------------------------------------ +// Transforms (Paragraph 14.4) + +// Inverse transform. +// This code is pretty much the same as TransformOne in the dec_neon.c, except +// for subtraction to *ref. See the comments there for algorithmic explanations. + +static const int16_t kC1 = 20091; +static const int16_t kC2 = 17734; // half of kC2, actually. See comment above. + +// This code works but is *slower* than the inlined-asm version below +// (with gcc-4.6). So we disable it for now. Later, it'll be conditional to +// WEBP_USE_INTRINSICS define. +// With gcc-4.8, it's a little faster speed than inlined-assembly. +#if defined(WEBP_USE_INTRINSICS) + +// Treats 'v' as an uint8x8_t and zero extends to an int16x8_t. +static WEBP_INLINE int16x8_t ConvertU8ToS16_NEON(uint32x2_t v) { + return vreinterpretq_s16_u16(vmovl_u8(vreinterpret_u8_u32(v))); +} + +// Performs unsigned 8b saturation on 'dst01' and 'dst23' storing the result +// to the corresponding rows of 'dst'. +static WEBP_INLINE void SaturateAndStore4x4_NEON(uint8_t* const dst, + const int16x8_t dst01, + const int16x8_t dst23) { + // Unsigned saturate to 8b. + const uint8x8_t dst01_u8 = vqmovun_s16(dst01); + const uint8x8_t dst23_u8 = vqmovun_s16(dst23); + + // Store the results. + vst1_lane_u32((uint32_t*)(dst + 0 * BPS), vreinterpret_u32_u8(dst01_u8), 0); + vst1_lane_u32((uint32_t*)(dst + 1 * BPS), vreinterpret_u32_u8(dst01_u8), 1); + vst1_lane_u32((uint32_t*)(dst + 2 * BPS), vreinterpret_u32_u8(dst23_u8), 0); + vst1_lane_u32((uint32_t*)(dst + 3 * BPS), vreinterpret_u32_u8(dst23_u8), 1); +} + +static WEBP_INLINE void Add4x4_NEON(const int16x8_t row01, + const int16x8_t row23, + const uint8_t* const ref, + uint8_t* const dst) { + uint32x2_t dst01 = vdup_n_u32(0); + uint32x2_t dst23 = vdup_n_u32(0); + + // Load the source pixels. + dst01 = vld1_lane_u32((uint32_t*)(ref + 0 * BPS), dst01, 0); + dst23 = vld1_lane_u32((uint32_t*)(ref + 2 * BPS), dst23, 0); + dst01 = vld1_lane_u32((uint32_t*)(ref + 1 * BPS), dst01, 1); + dst23 = vld1_lane_u32((uint32_t*)(ref + 3 * BPS), dst23, 1); + + { + // Convert to 16b. + const int16x8_t dst01_s16 = ConvertU8ToS16_NEON(dst01); + const int16x8_t dst23_s16 = ConvertU8ToS16_NEON(dst23); + + // Descale with rounding. + const int16x8_t out01 = vrsraq_n_s16(dst01_s16, row01, 3); + const int16x8_t out23 = vrsraq_n_s16(dst23_s16, row23, 3); + // Add the inverse transform. + SaturateAndStore4x4_NEON(dst, out01, out23); + } +} + +static WEBP_INLINE void Transpose8x2_NEON(const int16x8_t in0, + const int16x8_t in1, + int16x8x2_t* const out) { + // a0 a1 a2 a3 | b0 b1 b2 b3 => a0 b0 c0 d0 | a1 b1 c1 d1 + // c0 c1 c2 c3 | d0 d1 d2 d3 a2 b2 c2 d2 | a3 b3 c3 d3 + const int16x8x2_t tmp0 = vzipq_s16(in0, in1); // a0 c0 a1 c1 a2 c2 ... + // b0 d0 b1 d1 b2 d2 ... + *out = vzipq_s16(tmp0.val[0], tmp0.val[1]); +} + +static WEBP_INLINE void TransformPass_NEON(int16x8x2_t* const rows) { + // {rows} = in0 | in4 + // in8 | in12 + // B1 = in4 | in12 + const int16x8_t B1 = + vcombine_s16(vget_high_s16(rows->val[0]), vget_high_s16(rows->val[1])); + // C0 = kC1 * in4 | kC1 * in12 + // C1 = kC2 * in4 | kC2 * in12 + const int16x8_t C0 = vsraq_n_s16(B1, vqdmulhq_n_s16(B1, kC1), 1); + const int16x8_t C1 = vqdmulhq_n_s16(B1, kC2); + const int16x4_t a = vqadd_s16(vget_low_s16(rows->val[0]), + vget_low_s16(rows->val[1])); // in0 + in8 + const int16x4_t b = vqsub_s16(vget_low_s16(rows->val[0]), + vget_low_s16(rows->val[1])); // in0 - in8 + // c = kC2 * in4 - kC1 * in12 + // d = kC1 * in4 + kC2 * in12 + const int16x4_t c = vqsub_s16(vget_low_s16(C1), vget_high_s16(C0)); + const int16x4_t d = vqadd_s16(vget_low_s16(C0), vget_high_s16(C1)); + const int16x8_t D0 = vcombine_s16(a, b); // D0 = a | b + const int16x8_t D1 = vcombine_s16(d, c); // D1 = d | c + const int16x8_t E0 = vqaddq_s16(D0, D1); // a+d | b+c + const int16x8_t E_tmp = vqsubq_s16(D0, D1); // a-d | b-c + const int16x8_t E1 = vcombine_s16(vget_high_s16(E_tmp), vget_low_s16(E_tmp)); + Transpose8x2_NEON(E0, E1, rows); +} + +static void ITransformOne_NEON(const uint8_t* ref, + const int16_t* in, uint8_t* dst) { + int16x8x2_t rows; + INIT_VECTOR2(rows, vld1q_s16(in + 0), vld1q_s16(in + 8)); + TransformPass_NEON(&rows); + TransformPass_NEON(&rows); + Add4x4_NEON(rows.val[0], rows.val[1], ref, dst); +} + +#else + +static void ITransformOne_NEON(const uint8_t* ref, + const int16_t* in, uint8_t* dst) { + const int kBPS = BPS; + const int16_t kC1C2[] = { kC1, kC2, 0, 0 }; + + __asm__ volatile ( + "vld1.16 {q1, q2}, [%[in]] \n" + "vld1.16 {d0}, [%[kC1C2]] \n" + + // d2: in[0] + // d3: in[8] + // d4: in[4] + // d5: in[12] + "vswp d3, d4 \n" + + // q8 = {in[4], in[12]} * kC1 * 2 >> 16 + // q9 = {in[4], in[12]} * kC2 >> 16 + "vqdmulh.s16 q8, q2, d0[0] \n" + "vqdmulh.s16 q9, q2, d0[1] \n" + + // d22 = a = in[0] + in[8] + // d23 = b = in[0] - in[8] + "vqadd.s16 d22, d2, d3 \n" + "vqsub.s16 d23, d2, d3 \n" + + // q8 = in[4]/[12] * kC1 >> 16 + "vshr.s16 q8, q8, #1 \n" + + // Add {in[4], in[12]} back after the multiplication. + "vqadd.s16 q8, q2, q8 \n" + + // d20 = c = in[4]*kC2 - in[12]*kC1 + // d21 = d = in[4]*kC1 + in[12]*kC2 + "vqsub.s16 d20, d18, d17 \n" + "vqadd.s16 d21, d19, d16 \n" + + // d2 = tmp[0] = a + d + // d3 = tmp[1] = b + c + // d4 = tmp[2] = b - c + // d5 = tmp[3] = a - d + "vqadd.s16 d2, d22, d21 \n" + "vqadd.s16 d3, d23, d20 \n" + "vqsub.s16 d4, d23, d20 \n" + "vqsub.s16 d5, d22, d21 \n" + + "vzip.16 q1, q2 \n" + "vzip.16 q1, q2 \n" + + "vswp d3, d4 \n" + + // q8 = {tmp[4], tmp[12]} * kC1 * 2 >> 16 + // q9 = {tmp[4], tmp[12]} * kC2 >> 16 + "vqdmulh.s16 q8, q2, d0[0] \n" + "vqdmulh.s16 q9, q2, d0[1] \n" + + // d22 = a = tmp[0] + tmp[8] + // d23 = b = tmp[0] - tmp[8] + "vqadd.s16 d22, d2, d3 \n" + "vqsub.s16 d23, d2, d3 \n" + + "vshr.s16 q8, q8, #1 \n" + "vqadd.s16 q8, q2, q8 \n" + + // d20 = c = in[4]*kC2 - in[12]*kC1 + // d21 = d = in[4]*kC1 + in[12]*kC2 + "vqsub.s16 d20, d18, d17 \n" + "vqadd.s16 d21, d19, d16 \n" + + // d2 = tmp[0] = a + d + // d3 = tmp[1] = b + c + // d4 = tmp[2] = b - c + // d5 = tmp[3] = a - d + "vqadd.s16 d2, d22, d21 \n" + "vqadd.s16 d3, d23, d20 \n" + "vqsub.s16 d4, d23, d20 \n" + "vqsub.s16 d5, d22, d21 \n" + + "vld1.32 d6[0], [%[ref]], %[kBPS] \n" + "vld1.32 d6[1], [%[ref]], %[kBPS] \n" + "vld1.32 d7[0], [%[ref]], %[kBPS] \n" + "vld1.32 d7[1], [%[ref]], %[kBPS] \n" + + "sub %[ref], %[ref], %[kBPS], lsl #2 \n" + + // (val) + 4 >> 3 + "vrshr.s16 d2, d2, #3 \n" + "vrshr.s16 d3, d3, #3 \n" + "vrshr.s16 d4, d4, #3 \n" + "vrshr.s16 d5, d5, #3 \n" + + "vzip.16 q1, q2 \n" + "vzip.16 q1, q2 \n" + + // Must accumulate before saturating + "vmovl.u8 q8, d6 \n" + "vmovl.u8 q9, d7 \n" + + "vqadd.s16 q1, q1, q8 \n" + "vqadd.s16 q2, q2, q9 \n" + + "vqmovun.s16 d0, q1 \n" + "vqmovun.s16 d1, q2 \n" + + "vst1.32 d0[0], [%[dst]], %[kBPS] \n" + "vst1.32 d0[1], [%[dst]], %[kBPS] \n" + "vst1.32 d1[0], [%[dst]], %[kBPS] \n" + "vst1.32 d1[1], [%[dst]] \n" + + : [in] "+r"(in), [dst] "+r"(dst) // modified registers + : [kBPS] "r"(kBPS), [kC1C2] "r"(kC1C2), [ref] "r"(ref) // constants + : "memory", "q0", "q1", "q2", "q8", "q9", "q10", "q11" // clobbered + ); +} + +#endif // WEBP_USE_INTRINSICS + +static void ITransform_NEON(const uint8_t* ref, + const int16_t* in, uint8_t* dst, int do_two) { + ITransformOne_NEON(ref, in, dst); + if (do_two) { + ITransformOne_NEON(ref + 4, in + 16, dst + 4); + } +} + +// Load all 4x4 pixels into a single uint8x16_t variable. +static uint8x16_t Load4x4_NEON(const uint8_t* src) { + uint32x4_t out = vdupq_n_u32(0); + out = vld1q_lane_u32((const uint32_t*)(src + 0 * BPS), out, 0); + out = vld1q_lane_u32((const uint32_t*)(src + 1 * BPS), out, 1); + out = vld1q_lane_u32((const uint32_t*)(src + 2 * BPS), out, 2); + out = vld1q_lane_u32((const uint32_t*)(src + 3 * BPS), out, 3); + return vreinterpretq_u8_u32(out); +} + +// Forward transform. + +#if defined(WEBP_USE_INTRINSICS) + +static WEBP_INLINE void Transpose4x4_S16_NEON(const int16x4_t A, + const int16x4_t B, + const int16x4_t C, + const int16x4_t D, + int16x8_t* const out01, + int16x8_t* const out32) { + const int16x4x2_t AB = vtrn_s16(A, B); + const int16x4x2_t CD = vtrn_s16(C, D); + const int32x2x2_t tmp02 = vtrn_s32(vreinterpret_s32_s16(AB.val[0]), + vreinterpret_s32_s16(CD.val[0])); + const int32x2x2_t tmp13 = vtrn_s32(vreinterpret_s32_s16(AB.val[1]), + vreinterpret_s32_s16(CD.val[1])); + *out01 = vreinterpretq_s16_s64( + vcombine_s64(vreinterpret_s64_s32(tmp02.val[0]), + vreinterpret_s64_s32(tmp13.val[0]))); + *out32 = vreinterpretq_s16_s64( + vcombine_s64(vreinterpret_s64_s32(tmp13.val[1]), + vreinterpret_s64_s32(tmp02.val[1]))); +} + +static WEBP_INLINE int16x8_t DiffU8ToS16_NEON(const uint8x8_t a, + const uint8x8_t b) { + return vreinterpretq_s16_u16(vsubl_u8(a, b)); +} + +static void FTransform_NEON(const uint8_t* src, const uint8_t* ref, + int16_t* out) { + int16x8_t d0d1, d3d2; // working 4x4 int16 variables + { + const uint8x16_t S0 = Load4x4_NEON(src); + const uint8x16_t R0 = Load4x4_NEON(ref); + const int16x8_t D0D1 = DiffU8ToS16_NEON(vget_low_u8(S0), vget_low_u8(R0)); + const int16x8_t D2D3 = DiffU8ToS16_NEON(vget_high_u8(S0), vget_high_u8(R0)); + const int16x4_t D0 = vget_low_s16(D0D1); + const int16x4_t D1 = vget_high_s16(D0D1); + const int16x4_t D2 = vget_low_s16(D2D3); + const int16x4_t D3 = vget_high_s16(D2D3); + Transpose4x4_S16_NEON(D0, D1, D2, D3, &d0d1, &d3d2); + } + { // 1rst pass + const int32x4_t kCst937 = vdupq_n_s32(937); + const int32x4_t kCst1812 = vdupq_n_s32(1812); + const int16x8_t a0a1 = vaddq_s16(d0d1, d3d2); // d0+d3 | d1+d2 (=a0|a1) + const int16x8_t a3a2 = vsubq_s16(d0d1, d3d2); // d0-d3 | d1-d2 (=a3|a2) + const int16x8_t a0a1_2 = vshlq_n_s16(a0a1, 3); + const int16x4_t tmp0 = vadd_s16(vget_low_s16(a0a1_2), + vget_high_s16(a0a1_2)); + const int16x4_t tmp2 = vsub_s16(vget_low_s16(a0a1_2), + vget_high_s16(a0a1_2)); + const int32x4_t a3_2217 = vmull_n_s16(vget_low_s16(a3a2), 2217); + const int32x4_t a2_2217 = vmull_n_s16(vget_high_s16(a3a2), 2217); + const int32x4_t a2_p_a3 = vmlal_n_s16(a2_2217, vget_low_s16(a3a2), 5352); + const int32x4_t a3_m_a2 = vmlsl_n_s16(a3_2217, vget_high_s16(a3a2), 5352); + const int16x4_t tmp1 = vshrn_n_s32(vaddq_s32(a2_p_a3, kCst1812), 9); + const int16x4_t tmp3 = vshrn_n_s32(vaddq_s32(a3_m_a2, kCst937), 9); + Transpose4x4_S16_NEON(tmp0, tmp1, tmp2, tmp3, &d0d1, &d3d2); + } + { // 2nd pass + // the (1<<16) addition is for the replacement: a3!=0 <-> 1-(a3==0) + const int32x4_t kCst12000 = vdupq_n_s32(12000 + (1 << 16)); + const int32x4_t kCst51000 = vdupq_n_s32(51000); + const int16x8_t a0a1 = vaddq_s16(d0d1, d3d2); // d0+d3 | d1+d2 (=a0|a1) + const int16x8_t a3a2 = vsubq_s16(d0d1, d3d2); // d0-d3 | d1-d2 (=a3|a2) + const int16x4_t a0_k7 = vadd_s16(vget_low_s16(a0a1), vdup_n_s16(7)); + const int16x4_t out0 = vshr_n_s16(vadd_s16(a0_k7, vget_high_s16(a0a1)), 4); + const int16x4_t out2 = vshr_n_s16(vsub_s16(a0_k7, vget_high_s16(a0a1)), 4); + const int32x4_t a3_2217 = vmull_n_s16(vget_low_s16(a3a2), 2217); + const int32x4_t a2_2217 = vmull_n_s16(vget_high_s16(a3a2), 2217); + const int32x4_t a2_p_a3 = vmlal_n_s16(a2_2217, vget_low_s16(a3a2), 5352); + const int32x4_t a3_m_a2 = vmlsl_n_s16(a3_2217, vget_high_s16(a3a2), 5352); + const int16x4_t tmp1 = vaddhn_s32(a2_p_a3, kCst12000); + const int16x4_t out3 = vaddhn_s32(a3_m_a2, kCst51000); + const int16x4_t a3_eq_0 = + vreinterpret_s16_u16(vceq_s16(vget_low_s16(a3a2), vdup_n_s16(0))); + const int16x4_t out1 = vadd_s16(tmp1, a3_eq_0); + vst1_s16(out + 0, out0); + vst1_s16(out + 4, out1); + vst1_s16(out + 8, out2); + vst1_s16(out + 12, out3); + } +} + +#else + +// adapted from vp8/encoder/arm/neon/shortfdct_neon.asm +static const int16_t kCoeff16[] = { + 5352, 5352, 5352, 5352, 2217, 2217, 2217, 2217 +}; +static const int32_t kCoeff32[] = { + 1812, 1812, 1812, 1812, + 937, 937, 937, 937, + 12000, 12000, 12000, 12000, + 51000, 51000, 51000, 51000 +}; + +static void FTransform_NEON(const uint8_t* src, const uint8_t* ref, + int16_t* out) { + const int kBPS = BPS; + const uint8_t* src_ptr = src; + const uint8_t* ref_ptr = ref; + const int16_t* coeff16 = kCoeff16; + const int32_t* coeff32 = kCoeff32; + + __asm__ volatile ( + // load src into q4, q5 in high half + "vld1.8 {d8}, [%[src_ptr]], %[kBPS] \n" + "vld1.8 {d10}, [%[src_ptr]], %[kBPS] \n" + "vld1.8 {d9}, [%[src_ptr]], %[kBPS] \n" + "vld1.8 {d11}, [%[src_ptr]] \n" + + // load ref into q6, q7 in high half + "vld1.8 {d12}, [%[ref_ptr]], %[kBPS] \n" + "vld1.8 {d14}, [%[ref_ptr]], %[kBPS] \n" + "vld1.8 {d13}, [%[ref_ptr]], %[kBPS] \n" + "vld1.8 {d15}, [%[ref_ptr]] \n" + + // Pack the high values in to q4 and q6 + "vtrn.32 q4, q5 \n" + "vtrn.32 q6, q7 \n" + + // d[0-3] = src - ref + "vsubl.u8 q0, d8, d12 \n" + "vsubl.u8 q1, d9, d13 \n" + + // load coeff16 into q8(d16=5352, d17=2217) + "vld1.16 {q8}, [%[coeff16]] \n" + + // load coeff32 high half into q9 = 1812, q10 = 937 + "vld1.32 {q9, q10}, [%[coeff32]]! \n" + + // load coeff32 low half into q11=12000, q12=51000 + "vld1.32 {q11,q12}, [%[coeff32]] \n" + + // part 1 + // Transpose. Register dN is the same as dN in C + "vtrn.32 d0, d2 \n" + "vtrn.32 d1, d3 \n" + "vtrn.16 d0, d1 \n" + "vtrn.16 d2, d3 \n" + + "vadd.s16 d4, d0, d3 \n" // a0 = d0 + d3 + "vadd.s16 d5, d1, d2 \n" // a1 = d1 + d2 + "vsub.s16 d6, d1, d2 \n" // a2 = d1 - d2 + "vsub.s16 d7, d0, d3 \n" // a3 = d0 - d3 + + "vadd.s16 d0, d4, d5 \n" // a0 + a1 + "vshl.s16 d0, d0, #3 \n" // temp[0+i*4] = (a0+a1) << 3 + "vsub.s16 d2, d4, d5 \n" // a0 - a1 + "vshl.s16 d2, d2, #3 \n" // (temp[2+i*4] = (a0-a1) << 3 + + "vmlal.s16 q9, d7, d16 \n" // a3*5352 + 1812 + "vmlal.s16 q10, d7, d17 \n" // a3*2217 + 937 + "vmlal.s16 q9, d6, d17 \n" // a2*2217 + a3*5352 + 1812 + "vmlsl.s16 q10, d6, d16 \n" // a3*2217 + 937 - a2*5352 + + // temp[1+i*4] = (d2*2217 + d3*5352 + 1812) >> 9 + // temp[3+i*4] = (d3*2217 + 937 - d2*5352) >> 9 + "vshrn.s32 d1, q9, #9 \n" + "vshrn.s32 d3, q10, #9 \n" + + // part 2 + // transpose d0=ip[0], d1=ip[4], d2=ip[8], d3=ip[12] + "vtrn.32 d0, d2 \n" + "vtrn.32 d1, d3 \n" + "vtrn.16 d0, d1 \n" + "vtrn.16 d2, d3 \n" + + "vmov.s16 d26, #7 \n" + + "vadd.s16 d4, d0, d3 \n" // a1 = ip[0] + ip[12] + "vadd.s16 d5, d1, d2 \n" // b1 = ip[4] + ip[8] + "vsub.s16 d6, d1, d2 \n" // c1 = ip[4] - ip[8] + "vadd.s16 d4, d4, d26 \n" // a1 + 7 + "vsub.s16 d7, d0, d3 \n" // d1 = ip[0] - ip[12] + + "vadd.s16 d0, d4, d5 \n" // op[0] = a1 + b1 + 7 + "vsub.s16 d2, d4, d5 \n" // op[8] = a1 - b1 + 7 + + "vmlal.s16 q11, d7, d16 \n" // d1*5352 + 12000 + "vmlal.s16 q12, d7, d17 \n" // d1*2217 + 51000 + + "vceq.s16 d4, d7, #0 \n" + + "vshr.s16 d0, d0, #4 \n" + "vshr.s16 d2, d2, #4 \n" + + "vmlal.s16 q11, d6, d17 \n" // c1*2217 + d1*5352 + 12000 + "vmlsl.s16 q12, d6, d16 \n" // d1*2217 - c1*5352 + 51000 + + "vmvn d4, d4 \n" // !(d1 == 0) + // op[4] = (c1*2217 + d1*5352 + 12000)>>16 + "vshrn.s32 d1, q11, #16 \n" + // op[4] += (d1!=0) + "vsub.s16 d1, d1, d4 \n" + // op[12]= (d1*2217 - c1*5352 + 51000)>>16 + "vshrn.s32 d3, q12, #16 \n" + + // set result to out array + "vst1.16 {q0, q1}, [%[out]] \n" + : [src_ptr] "+r"(src_ptr), [ref_ptr] "+r"(ref_ptr), + [coeff32] "+r"(coeff32) // modified registers + : [kBPS] "r"(kBPS), [coeff16] "r"(coeff16), + [out] "r"(out) // constants + : "memory", "q0", "q1", "q2", "q3", "q4", "q5", "q6", "q7", "q8", "q9", + "q10", "q11", "q12", "q13" // clobbered + ); +} + +#endif + +#define LOAD_LANE_16b(VALUE, LANE) do { \ + (VALUE) = vld1_lane_s16(src, (VALUE), (LANE)); \ + src += stride; \ +} while (0) + +static void FTransformWHT_NEON(const int16_t* src, int16_t* out) { + const int stride = 16; + const int16x4_t zero = vdup_n_s16(0); + int32x4x4_t tmp0; + int16x4x4_t in; + INIT_VECTOR4(in, zero, zero, zero, zero); + LOAD_LANE_16b(in.val[0], 0); + LOAD_LANE_16b(in.val[1], 0); + LOAD_LANE_16b(in.val[2], 0); + LOAD_LANE_16b(in.val[3], 0); + LOAD_LANE_16b(in.val[0], 1); + LOAD_LANE_16b(in.val[1], 1); + LOAD_LANE_16b(in.val[2], 1); + LOAD_LANE_16b(in.val[3], 1); + LOAD_LANE_16b(in.val[0], 2); + LOAD_LANE_16b(in.val[1], 2); + LOAD_LANE_16b(in.val[2], 2); + LOAD_LANE_16b(in.val[3], 2); + LOAD_LANE_16b(in.val[0], 3); + LOAD_LANE_16b(in.val[1], 3); + LOAD_LANE_16b(in.val[2], 3); + LOAD_LANE_16b(in.val[3], 3); + + { + // a0 = in[0 * 16] + in[2 * 16] + // a1 = in[1 * 16] + in[3 * 16] + // a2 = in[1 * 16] - in[3 * 16] + // a3 = in[0 * 16] - in[2 * 16] + const int32x4_t a0 = vaddl_s16(in.val[0], in.val[2]); + const int32x4_t a1 = vaddl_s16(in.val[1], in.val[3]); + const int32x4_t a2 = vsubl_s16(in.val[1], in.val[3]); + const int32x4_t a3 = vsubl_s16(in.val[0], in.val[2]); + tmp0.val[0] = vaddq_s32(a0, a1); + tmp0.val[1] = vaddq_s32(a3, a2); + tmp0.val[2] = vsubq_s32(a3, a2); + tmp0.val[3] = vsubq_s32(a0, a1); + } + { + const int32x4x4_t tmp1 = Transpose4x4_NEON(tmp0); + // a0 = tmp[0 + i] + tmp[ 8 + i] + // a1 = tmp[4 + i] + tmp[12 + i] + // a2 = tmp[4 + i] - tmp[12 + i] + // a3 = tmp[0 + i] - tmp[ 8 + i] + const int32x4_t a0 = vaddq_s32(tmp1.val[0], tmp1.val[2]); + const int32x4_t a1 = vaddq_s32(tmp1.val[1], tmp1.val[3]); + const int32x4_t a2 = vsubq_s32(tmp1.val[1], tmp1.val[3]); + const int32x4_t a3 = vsubq_s32(tmp1.val[0], tmp1.val[2]); + const int32x4_t b0 = vhaddq_s32(a0, a1); // (a0 + a1) >> 1 + const int32x4_t b1 = vhaddq_s32(a3, a2); // (a3 + a2) >> 1 + const int32x4_t b2 = vhsubq_s32(a3, a2); // (a3 - a2) >> 1 + const int32x4_t b3 = vhsubq_s32(a0, a1); // (a0 - a1) >> 1 + const int16x4_t out0 = vmovn_s32(b0); + const int16x4_t out1 = vmovn_s32(b1); + const int16x4_t out2 = vmovn_s32(b2); + const int16x4_t out3 = vmovn_s32(b3); + + vst1_s16(out + 0, out0); + vst1_s16(out + 4, out1); + vst1_s16(out + 8, out2); + vst1_s16(out + 12, out3); + } +} +#undef LOAD_LANE_16b + +//------------------------------------------------------------------------------ +// Texture distortion +// +// We try to match the spectral content (weighted) between source and +// reconstructed samples. + +// a 0123, b 0123 +// a 4567, b 4567 +// a 89ab, b 89ab +// a cdef, b cdef +// +// transpose +// +// a 048c, b 048c +// a 159d, b 159d +// a 26ae, b 26ae +// a 37bf, b 37bf +// +static WEBP_INLINE int16x8x4_t DistoTranspose4x4S16_NEON(int16x8x4_t q4_in) { + const int16x8x2_t q2_tmp0 = vtrnq_s16(q4_in.val[0], q4_in.val[1]); + const int16x8x2_t q2_tmp1 = vtrnq_s16(q4_in.val[2], q4_in.val[3]); + const int32x4x2_t q2_tmp2 = vtrnq_s32(vreinterpretq_s32_s16(q2_tmp0.val[0]), + vreinterpretq_s32_s16(q2_tmp1.val[0])); + const int32x4x2_t q2_tmp3 = vtrnq_s32(vreinterpretq_s32_s16(q2_tmp0.val[1]), + vreinterpretq_s32_s16(q2_tmp1.val[1])); + q4_in.val[0] = vreinterpretq_s16_s32(q2_tmp2.val[0]); + q4_in.val[2] = vreinterpretq_s16_s32(q2_tmp2.val[1]); + q4_in.val[1] = vreinterpretq_s16_s32(q2_tmp3.val[0]); + q4_in.val[3] = vreinterpretq_s16_s32(q2_tmp3.val[1]); + return q4_in; +} + +static WEBP_INLINE int16x8x4_t DistoHorizontalPass_NEON( + const int16x8x4_t q4_in) { + // {a0, a1} = {in[0] + in[2], in[1] + in[3]} + // {a3, a2} = {in[0] - in[2], in[1] - in[3]} + const int16x8_t q_a0 = vaddq_s16(q4_in.val[0], q4_in.val[2]); + const int16x8_t q_a1 = vaddq_s16(q4_in.val[1], q4_in.val[3]); + const int16x8_t q_a3 = vsubq_s16(q4_in.val[0], q4_in.val[2]); + const int16x8_t q_a2 = vsubq_s16(q4_in.val[1], q4_in.val[3]); + int16x8x4_t q4_out; + // tmp[0] = a0 + a1 + // tmp[1] = a3 + a2 + // tmp[2] = a3 - a2 + // tmp[3] = a0 - a1 + INIT_VECTOR4(q4_out, + vabsq_s16(vaddq_s16(q_a0, q_a1)), + vabsq_s16(vaddq_s16(q_a3, q_a2)), + vabdq_s16(q_a3, q_a2), vabdq_s16(q_a0, q_a1)); + return q4_out; +} + +static WEBP_INLINE int16x8x4_t DistoVerticalPass_NEON(const uint8x8x4_t q4_in) { + const int16x8_t q_a0 = vreinterpretq_s16_u16(vaddl_u8(q4_in.val[0], + q4_in.val[2])); + const int16x8_t q_a1 = vreinterpretq_s16_u16(vaddl_u8(q4_in.val[1], + q4_in.val[3])); + const int16x8_t q_a2 = vreinterpretq_s16_u16(vsubl_u8(q4_in.val[1], + q4_in.val[3])); + const int16x8_t q_a3 = vreinterpretq_s16_u16(vsubl_u8(q4_in.val[0], + q4_in.val[2])); + int16x8x4_t q4_out; + + INIT_VECTOR4(q4_out, + vaddq_s16(q_a0, q_a1), vaddq_s16(q_a3, q_a2), + vsubq_s16(q_a3, q_a2), vsubq_s16(q_a0, q_a1)); + return q4_out; +} + +static WEBP_INLINE int16x4x4_t DistoLoadW_NEON(const uint16_t* w) { + const uint16x8_t q_w07 = vld1q_u16(&w[0]); + const uint16x8_t q_w8f = vld1q_u16(&w[8]); + int16x4x4_t d4_w; + INIT_VECTOR4(d4_w, + vget_low_s16(vreinterpretq_s16_u16(q_w07)), + vget_high_s16(vreinterpretq_s16_u16(q_w07)), + vget_low_s16(vreinterpretq_s16_u16(q_w8f)), + vget_high_s16(vreinterpretq_s16_u16(q_w8f))); + return d4_w; +} + +static WEBP_INLINE int32x2_t DistoSum_NEON(const int16x8x4_t q4_in, + const int16x4x4_t d4_w) { + int32x2_t d_sum; + // sum += w[ 0] * abs(b0); + // sum += w[ 4] * abs(b1); + // sum += w[ 8] * abs(b2); + // sum += w[12] * abs(b3); + int32x4_t q_sum0 = vmull_s16(d4_w.val[0], vget_low_s16(q4_in.val[0])); + int32x4_t q_sum1 = vmull_s16(d4_w.val[1], vget_low_s16(q4_in.val[1])); + int32x4_t q_sum2 = vmull_s16(d4_w.val[2], vget_low_s16(q4_in.val[2])); + int32x4_t q_sum3 = vmull_s16(d4_w.val[3], vget_low_s16(q4_in.val[3])); + q_sum0 = vmlsl_s16(q_sum0, d4_w.val[0], vget_high_s16(q4_in.val[0])); + q_sum1 = vmlsl_s16(q_sum1, d4_w.val[1], vget_high_s16(q4_in.val[1])); + q_sum2 = vmlsl_s16(q_sum2, d4_w.val[2], vget_high_s16(q4_in.val[2])); + q_sum3 = vmlsl_s16(q_sum3, d4_w.val[3], vget_high_s16(q4_in.val[3])); + + q_sum0 = vaddq_s32(q_sum0, q_sum1); + q_sum2 = vaddq_s32(q_sum2, q_sum3); + q_sum2 = vaddq_s32(q_sum0, q_sum2); + d_sum = vpadd_s32(vget_low_s32(q_sum2), vget_high_s32(q_sum2)); + d_sum = vpadd_s32(d_sum, d_sum); + return d_sum; +} + +#define LOAD_LANE_32b(src, VALUE, LANE) \ + (VALUE) = vld1_lane_u32((const uint32_t*)(src), (VALUE), (LANE)) + +// Hadamard transform +// Returns the weighted sum of the absolute value of transformed coefficients. +// w[] contains a row-major 4 by 4 symmetric matrix. +static int Disto4x4_NEON(const uint8_t* const a, const uint8_t* const b, + const uint16_t* const w) { + uint32x2_t d_in_ab_0123 = vdup_n_u32(0); + uint32x2_t d_in_ab_4567 = vdup_n_u32(0); + uint32x2_t d_in_ab_89ab = vdup_n_u32(0); + uint32x2_t d_in_ab_cdef = vdup_n_u32(0); + uint8x8x4_t d4_in; + + // load data a, b + LOAD_LANE_32b(a + 0 * BPS, d_in_ab_0123, 0); + LOAD_LANE_32b(a + 1 * BPS, d_in_ab_4567, 0); + LOAD_LANE_32b(a + 2 * BPS, d_in_ab_89ab, 0); + LOAD_LANE_32b(a + 3 * BPS, d_in_ab_cdef, 0); + LOAD_LANE_32b(b + 0 * BPS, d_in_ab_0123, 1); + LOAD_LANE_32b(b + 1 * BPS, d_in_ab_4567, 1); + LOAD_LANE_32b(b + 2 * BPS, d_in_ab_89ab, 1); + LOAD_LANE_32b(b + 3 * BPS, d_in_ab_cdef, 1); + INIT_VECTOR4(d4_in, + vreinterpret_u8_u32(d_in_ab_0123), + vreinterpret_u8_u32(d_in_ab_4567), + vreinterpret_u8_u32(d_in_ab_89ab), + vreinterpret_u8_u32(d_in_ab_cdef)); + + { + // Vertical pass first to avoid a transpose (vertical and horizontal passes + // are commutative because w/kWeightY is symmetric) and subsequent + // transpose. + const int16x8x4_t q4_v = DistoVerticalPass_NEON(d4_in); + const int16x4x4_t d4_w = DistoLoadW_NEON(w); + // horizontal pass + const int16x8x4_t q4_t = DistoTranspose4x4S16_NEON(q4_v); + const int16x8x4_t q4_h = DistoHorizontalPass_NEON(q4_t); + int32x2_t d_sum = DistoSum_NEON(q4_h, d4_w); + + // abs(sum2 - sum1) >> 5 + d_sum = vabs_s32(d_sum); + d_sum = vshr_n_s32(d_sum, 5); + return vget_lane_s32(d_sum, 0); + } +} +#undef LOAD_LANE_32b + +static int Disto16x16_NEON(const uint8_t* const a, const uint8_t* const b, + const uint16_t* const w) { + int D = 0; + int x, y; + for (y = 0; y < 16 * BPS; y += 4 * BPS) { + for (x = 0; x < 16; x += 4) { + D += Disto4x4_NEON(a + x + y, b + x + y, w); + } + } + return D; +} + +//------------------------------------------------------------------------------ + +static void CollectHistogram_NEON(const uint8_t* ref, const uint8_t* pred, + int start_block, int end_block, + VP8Histogram* const histo) { + const uint16x8_t max_coeff_thresh = vdupq_n_u16(MAX_COEFF_THRESH); + int j; + int distribution[MAX_COEFF_THRESH + 1] = { 0 }; + for (j = start_block; j < end_block; ++j) { + int16_t out[16]; + FTransform_NEON(ref + VP8DspScan[j], pred + VP8DspScan[j], out); + { + int k; + const int16x8_t a0 = vld1q_s16(out + 0); + const int16x8_t b0 = vld1q_s16(out + 8); + const uint16x8_t a1 = vreinterpretq_u16_s16(vabsq_s16(a0)); + const uint16x8_t b1 = vreinterpretq_u16_s16(vabsq_s16(b0)); + const uint16x8_t a2 = vshrq_n_u16(a1, 3); + const uint16x8_t b2 = vshrq_n_u16(b1, 3); + const uint16x8_t a3 = vminq_u16(a2, max_coeff_thresh); + const uint16x8_t b3 = vminq_u16(b2, max_coeff_thresh); + vst1q_s16(out + 0, vreinterpretq_s16_u16(a3)); + vst1q_s16(out + 8, vreinterpretq_s16_u16(b3)); + // Convert coefficients to bin. + for (k = 0; k < 16; ++k) { + ++distribution[out[k]]; + } + } + } + VP8SetHistogramData(distribution, histo); +} + +//------------------------------------------------------------------------------ + +static WEBP_INLINE void AccumulateSSE16_NEON(const uint8_t* const a, + const uint8_t* const b, + uint32x4_t* const sum) { + const uint8x16_t a0 = vld1q_u8(a); + const uint8x16_t b0 = vld1q_u8(b); + const uint8x16_t abs_diff = vabdq_u8(a0, b0); + const uint16x8_t prod1 = vmull_u8(vget_low_u8(abs_diff), + vget_low_u8(abs_diff)); + const uint16x8_t prod2 = vmull_u8(vget_high_u8(abs_diff), + vget_high_u8(abs_diff)); + /* pair-wise adds and widen */ + const uint32x4_t sum1 = vpaddlq_u16(prod1); + const uint32x4_t sum2 = vpaddlq_u16(prod2); + *sum = vaddq_u32(*sum, vaddq_u32(sum1, sum2)); +} + +// Horizontal sum of all four uint32_t values in 'sum'. +static int SumToInt_NEON(uint32x4_t sum) { +#if WEBP_AARCH64 + return (int)vaddvq_u32(sum); +#else + const uint64x2_t sum2 = vpaddlq_u32(sum); + const uint32x2_t sum3 = vadd_u32(vreinterpret_u32_u64(vget_low_u64(sum2)), + vreinterpret_u32_u64(vget_high_u64(sum2))); + return (int)vget_lane_u32(sum3, 0); +#endif +} + +static int SSE16x16_NEON(const uint8_t* a, const uint8_t* b) { + uint32x4_t sum = vdupq_n_u32(0); + int y; + for (y = 0; y < 16; ++y) { + AccumulateSSE16_NEON(a + y * BPS, b + y * BPS, &sum); + } + return SumToInt_NEON(sum); +} + +static int SSE16x8_NEON(const uint8_t* a, const uint8_t* b) { + uint32x4_t sum = vdupq_n_u32(0); + int y; + for (y = 0; y < 8; ++y) { + AccumulateSSE16_NEON(a + y * BPS, b + y * BPS, &sum); + } + return SumToInt_NEON(sum); +} + +static int SSE8x8_NEON(const uint8_t* a, const uint8_t* b) { + uint32x4_t sum = vdupq_n_u32(0); + int y; + for (y = 0; y < 8; ++y) { + const uint8x8_t a0 = vld1_u8(a + y * BPS); + const uint8x8_t b0 = vld1_u8(b + y * BPS); + const uint8x8_t abs_diff = vabd_u8(a0, b0); + const uint16x8_t prod = vmull_u8(abs_diff, abs_diff); + sum = vpadalq_u16(sum, prod); + } + return SumToInt_NEON(sum); +} + +static int SSE4x4_NEON(const uint8_t* a, const uint8_t* b) { + const uint8x16_t a0 = Load4x4_NEON(a); + const uint8x16_t b0 = Load4x4_NEON(b); + const uint8x16_t abs_diff = vabdq_u8(a0, b0); + const uint16x8_t prod1 = vmull_u8(vget_low_u8(abs_diff), + vget_low_u8(abs_diff)); + const uint16x8_t prod2 = vmull_u8(vget_high_u8(abs_diff), + vget_high_u8(abs_diff)); + /* pair-wise adds and widen */ + const uint32x4_t sum1 = vpaddlq_u16(prod1); + const uint32x4_t sum2 = vpaddlq_u16(prod2); + return SumToInt_NEON(vaddq_u32(sum1, sum2)); +} + +//------------------------------------------------------------------------------ + +// Compilation with gcc-4.6.x is problematic for now. +#if !defined(WORK_AROUND_GCC) + +static int16x8_t Quantize_NEON(int16_t* const in, + const VP8Matrix* const mtx, int offset) { + const uint16x8_t sharp = vld1q_u16(&mtx->sharpen_[offset]); + const uint16x8_t q = vld1q_u16(&mtx->q_[offset]); + const uint16x8_t iq = vld1q_u16(&mtx->iq_[offset]); + const uint32x4_t bias0 = vld1q_u32(&mtx->bias_[offset + 0]); + const uint32x4_t bias1 = vld1q_u32(&mtx->bias_[offset + 4]); + + const int16x8_t a = vld1q_s16(in + offset); // in + const uint16x8_t b = vreinterpretq_u16_s16(vabsq_s16(a)); // coeff = abs(in) + const int16x8_t sign = vshrq_n_s16(a, 15); // sign + const uint16x8_t c = vaddq_u16(b, sharp); // + sharpen + const uint32x4_t m0 = vmull_u16(vget_low_u16(c), vget_low_u16(iq)); + const uint32x4_t m1 = vmull_u16(vget_high_u16(c), vget_high_u16(iq)); + const uint32x4_t m2 = vhaddq_u32(m0, bias0); + const uint32x4_t m3 = vhaddq_u32(m1, bias1); // (coeff * iQ + bias) >> 1 + const uint16x8_t c0 = vcombine_u16(vshrn_n_u32(m2, 16), + vshrn_n_u32(m3, 16)); // QFIX=17 = 16+1 + const uint16x8_t c1 = vminq_u16(c0, vdupq_n_u16(MAX_LEVEL)); + const int16x8_t c2 = veorq_s16(vreinterpretq_s16_u16(c1), sign); + const int16x8_t c3 = vsubq_s16(c2, sign); // restore sign + const int16x8_t c4 = vmulq_s16(c3, vreinterpretq_s16_u16(q)); + vst1q_s16(in + offset, c4); + assert(QFIX == 17); // this function can't work as is if QFIX != 16+1 + return c3; +} + +static const uint8_t kShuffles[4][8] = { + { 0, 1, 2, 3, 8, 9, 16, 17 }, + { 10, 11, 4, 5, 6, 7, 12, 13 }, + { 18, 19, 24, 25, 26, 27, 20, 21 }, + { 14, 15, 22, 23, 28, 29, 30, 31 } +}; + +static int QuantizeBlock_NEON(int16_t in[16], int16_t out[16], + const VP8Matrix* const mtx) { + const int16x8_t out0 = Quantize_NEON(in, mtx, 0); + const int16x8_t out1 = Quantize_NEON(in, mtx, 8); + uint8x8x4_t shuffles; + // vtbl?_u8 are marked unavailable for iOS arm64 with Xcode < 6.3, use + // non-standard versions there. +#if defined(__APPLE__) && WEBP_AARCH64 && \ + defined(__apple_build_version__) && (__apple_build_version__< 6020037) + uint8x16x2_t all_out; + INIT_VECTOR2(all_out, vreinterpretq_u8_s16(out0), vreinterpretq_u8_s16(out1)); + INIT_VECTOR4(shuffles, + vtbl2q_u8(all_out, vld1_u8(kShuffles[0])), + vtbl2q_u8(all_out, vld1_u8(kShuffles[1])), + vtbl2q_u8(all_out, vld1_u8(kShuffles[2])), + vtbl2q_u8(all_out, vld1_u8(kShuffles[3]))); +#else + uint8x8x4_t all_out; + INIT_VECTOR4(all_out, + vreinterpret_u8_s16(vget_low_s16(out0)), + vreinterpret_u8_s16(vget_high_s16(out0)), + vreinterpret_u8_s16(vget_low_s16(out1)), + vreinterpret_u8_s16(vget_high_s16(out1))); + INIT_VECTOR4(shuffles, + vtbl4_u8(all_out, vld1_u8(kShuffles[0])), + vtbl4_u8(all_out, vld1_u8(kShuffles[1])), + vtbl4_u8(all_out, vld1_u8(kShuffles[2])), + vtbl4_u8(all_out, vld1_u8(kShuffles[3]))); +#endif + // Zigzag reordering + vst1_u8((uint8_t*)(out + 0), shuffles.val[0]); + vst1_u8((uint8_t*)(out + 4), shuffles.val[1]); + vst1_u8((uint8_t*)(out + 8), shuffles.val[2]); + vst1_u8((uint8_t*)(out + 12), shuffles.val[3]); + // test zeros + if (*(uint64_t*)(out + 0) != 0) return 1; + if (*(uint64_t*)(out + 4) != 0) return 1; + if (*(uint64_t*)(out + 8) != 0) return 1; + if (*(uint64_t*)(out + 12) != 0) return 1; + return 0; +} + +static int Quantize2Blocks_NEON(int16_t in[32], int16_t out[32], + const VP8Matrix* const mtx) { + int nz; + nz = QuantizeBlock_NEON(in + 0 * 16, out + 0 * 16, mtx) << 0; + nz |= QuantizeBlock_NEON(in + 1 * 16, out + 1 * 16, mtx) << 1; + return nz; +} + +#endif // !WORK_AROUND_GCC + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8EncDspInitNEON(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInitNEON(void) { + VP8ITransform = ITransform_NEON; + VP8FTransform = FTransform_NEON; + + VP8FTransformWHT = FTransformWHT_NEON; + + VP8TDisto4x4 = Disto4x4_NEON; + VP8TDisto16x16 = Disto16x16_NEON; + VP8CollectHistogram = CollectHistogram_NEON; + + VP8SSE16x16 = SSE16x16_NEON; + VP8SSE16x8 = SSE16x8_NEON; + VP8SSE8x8 = SSE8x8_NEON; + VP8SSE4x4 = SSE4x4_NEON; + +#if !defined(WORK_AROUND_GCC) + VP8EncQuantizeBlock = QuantizeBlock_NEON; + VP8EncQuantize2Blocks = Quantize2Blocks_NEON; +#endif +} + +#else // !WEBP_USE_NEON + +WEBP_DSP_INIT_STUB(VP8EncDspInitNEON) + +#endif // WEBP_USE_NEON diff --git a/ProductApp/Pods/libwebp/src/dsp/enc_sse2.c b/ProductApp/Pods/libwebp/src/dsp/enc_sse2.c new file mode 100644 index 0000000..010624a --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/enc_sse2.c @@ -0,0 +1,1514 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// SSE2 version of speed-critical encoding functions. +// +// Author: Christian Duvivier (cduvivier@google.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_SSE2) +#include +#include // for abs() +#include + +#include "src/dsp/common_sse2.h" +#include "src/enc/cost_enc.h" +#include "src/enc/vp8i_enc.h" + +//------------------------------------------------------------------------------ +// Transforms (Paragraph 14.4) + +// Does one inverse transform. +static void ITransform_One_SSE2(const uint8_t* ref, const int16_t* in, + uint8_t* dst) { + // This implementation makes use of 16-bit fixed point versions of two + // multiply constants: + // K1 = sqrt(2) * cos (pi/8) ~= 85627 / 2^16 + // K2 = sqrt(2) * sin (pi/8) ~= 35468 / 2^16 + // + // To be able to use signed 16-bit integers, we use the following trick to + // have constants within range: + // - Associated constants are obtained by subtracting the 16-bit fixed point + // version of one: + // k = K - (1 << 16) => K = k + (1 << 16) + // K1 = 85267 => k1 = 20091 + // K2 = 35468 => k2 = -30068 + // - The multiplication of a variable by a constant become the sum of the + // variable and the multiplication of that variable by the associated + // constant: + // (x * K) >> 16 = (x * (k + (1 << 16))) >> 16 = ((x * k ) >> 16) + x + const __m128i k1k2 = _mm_set_epi16(-30068, -30068, -30068, -30068, + 20091, 20091, 20091, 20091); + const __m128i k2k1 = _mm_set_epi16(20091, 20091, 20091, 20091, + -30068, -30068, -30068, -30068); + const __m128i zero = _mm_setzero_si128(); + const __m128i zero_four = _mm_set_epi16(0, 0, 0, 0, 4, 4, 4, 4); + __m128i T01, T23; + + // Load and concatenate the transform coefficients. + const __m128i in01 = _mm_loadu_si128((const __m128i*)&in[0]); + const __m128i in23 = _mm_loadu_si128((const __m128i*)&in[8]); + // a00 a10 a20 a30 a01 a11 a21 a31 + // a02 a12 a22 a32 a03 a13 a23 a33 + + // Vertical pass and subsequent transpose. + { + const __m128i in1 = _mm_unpackhi_epi64(in01, in01); + const __m128i in3 = _mm_unpackhi_epi64(in23, in23); + + // First pass, c and d calculations are longer because of the "trick" + // multiplications. + // c = MUL(in1, K2) - MUL(in3, K1) = MUL(in1, k2) - MUL(in3, k1) + in1 - in3 + // d = MUL(in1, K1) + MUL(in3, K2) = MUL(in1, k1) + MUL(in3, k2) + in1 + in3 + const __m128i a_d3 = _mm_add_epi16(in01, in23); + const __m128i b_c3 = _mm_sub_epi16(in01, in23); + const __m128i c1d1 = _mm_mulhi_epi16(in1, k2k1); + const __m128i c2d2 = _mm_mulhi_epi16(in3, k1k2); + const __m128i c3 = _mm_unpackhi_epi64(b_c3, b_c3); + const __m128i c4 = _mm_sub_epi16(c1d1, c2d2); + const __m128i c = _mm_add_epi16(c3, c4); + const __m128i d4u = _mm_add_epi16(c1d1, c2d2); + const __m128i du = _mm_add_epi16(a_d3, d4u); + const __m128i d = _mm_unpackhi_epi64(du, du); + + // Second pass. + const __m128i comb_ab = _mm_unpacklo_epi64(a_d3, b_c3); + const __m128i comb_dc = _mm_unpacklo_epi64(d, c); + + const __m128i tmp01 = _mm_add_epi16(comb_ab, comb_dc); + const __m128i tmp32 = _mm_sub_epi16(comb_ab, comb_dc); + const __m128i tmp23 = _mm_shuffle_epi32(tmp32, _MM_SHUFFLE(1, 0, 3, 2)); + + const __m128i transpose_0 = _mm_unpacklo_epi16(tmp01, tmp23); + const __m128i transpose_1 = _mm_unpackhi_epi16(tmp01, tmp23); + // a00 a20 a01 a21 a02 a22 a03 a23 + // a10 a30 a11 a31 a12 a32 a13 a33 + + T01 = _mm_unpacklo_epi16(transpose_0, transpose_1); + T23 = _mm_unpackhi_epi16(transpose_0, transpose_1); + // a00 a10 a20 a30 a01 a11 a21 a31 + // a02 a12 a22 a32 a03 a13 a23 a33 + } + + // Horizontal pass and subsequent transpose. + { + const __m128i T1 = _mm_unpackhi_epi64(T01, T01); + const __m128i T3 = _mm_unpackhi_epi64(T23, T23); + + // First pass, c and d calculations are longer because of the "trick" + // multiplications. + const __m128i dc = _mm_add_epi16(T01, zero_four); + + // c = MUL(T1, K2) - MUL(T3, K1) = MUL(T1, k2) - MUL(T3, k1) + T1 - T3 + // d = MUL(T1, K1) + MUL(T3, K2) = MUL(T1, k1) + MUL(T3, k2) + T1 + T3 + const __m128i a_d3 = _mm_add_epi16(dc, T23); + const __m128i b_c3 = _mm_sub_epi16(dc, T23); + const __m128i c1d1 = _mm_mulhi_epi16(T1, k2k1); + const __m128i c2d2 = _mm_mulhi_epi16(T3, k1k2); + const __m128i c3 = _mm_unpackhi_epi64(b_c3, b_c3); + const __m128i c4 = _mm_sub_epi16(c1d1, c2d2); + const __m128i c = _mm_add_epi16(c3, c4); + const __m128i d4u = _mm_add_epi16(c1d1, c2d2); + const __m128i du = _mm_add_epi16(a_d3, d4u); + const __m128i d = _mm_unpackhi_epi64(du, du); + + // Second pass. + const __m128i comb_ab = _mm_unpacklo_epi64(a_d3, b_c3); + const __m128i comb_dc = _mm_unpacklo_epi64(d, c); + + const __m128i tmp01 = _mm_add_epi16(comb_ab, comb_dc); + const __m128i tmp32 = _mm_sub_epi16(comb_ab, comb_dc); + const __m128i tmp23 = _mm_shuffle_epi32(tmp32, _MM_SHUFFLE(1, 0, 3, 2)); + + const __m128i shifted01 = _mm_srai_epi16(tmp01, 3); + const __m128i shifted23 = _mm_srai_epi16(tmp23, 3); + // a00 a01 a02 a03 a10 a11 a12 a13 + // a20 a21 a22 a23 a30 a31 a32 a33 + + const __m128i transpose_0 = _mm_unpacklo_epi16(shifted01, shifted23); + const __m128i transpose_1 = _mm_unpackhi_epi16(shifted01, shifted23); + // a00 a20 a01 a21 a02 a22 a03 a23 + // a10 a30 a11 a31 a12 a32 a13 a33 + + T01 = _mm_unpacklo_epi16(transpose_0, transpose_1); + T23 = _mm_unpackhi_epi16(transpose_0, transpose_1); + // a00 a10 a20 a30 a01 a11 a21 a31 + // a02 a12 a22 a32 a03 a13 a23 a33 + } + + // Add inverse transform to 'ref' and store. + { + // Load the reference(s). + __m128i ref01, ref23, ref0123; + int32_t buf[4]; + + // Load four bytes/pixels per line. + const __m128i ref0 = _mm_cvtsi32_si128(WebPMemToInt32(&ref[0 * BPS])); + const __m128i ref1 = _mm_cvtsi32_si128(WebPMemToInt32(&ref[1 * BPS])); + const __m128i ref2 = _mm_cvtsi32_si128(WebPMemToInt32(&ref[2 * BPS])); + const __m128i ref3 = _mm_cvtsi32_si128(WebPMemToInt32(&ref[3 * BPS])); + ref01 = _mm_unpacklo_epi32(ref0, ref1); + ref23 = _mm_unpacklo_epi32(ref2, ref3); + + // Convert to 16b. + ref01 = _mm_unpacklo_epi8(ref01, zero); + ref23 = _mm_unpacklo_epi8(ref23, zero); + // Add the inverse transform(s). + ref01 = _mm_add_epi16(ref01, T01); + ref23 = _mm_add_epi16(ref23, T23); + // Unsigned saturate to 8b. + ref0123 = _mm_packus_epi16(ref01, ref23); + + _mm_storeu_si128((__m128i *)buf, ref0123); + + // Store four bytes/pixels per line. + WebPInt32ToMem(&dst[0 * BPS], buf[0]); + WebPInt32ToMem(&dst[1 * BPS], buf[1]); + WebPInt32ToMem(&dst[2 * BPS], buf[2]); + WebPInt32ToMem(&dst[3 * BPS], buf[3]); + } +} + +// Does two inverse transforms. +static void ITransform_Two_SSE2(const uint8_t* ref, const int16_t* in, + uint8_t* dst) { + // This implementation makes use of 16-bit fixed point versions of two + // multiply constants: + // K1 = sqrt(2) * cos (pi/8) ~= 85627 / 2^16 + // K2 = sqrt(2) * sin (pi/8) ~= 35468 / 2^16 + // + // To be able to use signed 16-bit integers, we use the following trick to + // have constants within range: + // - Associated constants are obtained by subtracting the 16-bit fixed point + // version of one: + // k = K - (1 << 16) => K = k + (1 << 16) + // K1 = 85267 => k1 = 20091 + // K2 = 35468 => k2 = -30068 + // - The multiplication of a variable by a constant become the sum of the + // variable and the multiplication of that variable by the associated + // constant: + // (x * K) >> 16 = (x * (k + (1 << 16))) >> 16 = ((x * k ) >> 16) + x + const __m128i k1 = _mm_set1_epi16(20091); + const __m128i k2 = _mm_set1_epi16(-30068); + __m128i T0, T1, T2, T3; + + // Load and concatenate the transform coefficients (we'll do two inverse + // transforms in parallel). + __m128i in0, in1, in2, in3; + { + const __m128i tmp0 = _mm_loadu_si128((const __m128i*)&in[0]); + const __m128i tmp1 = _mm_loadu_si128((const __m128i*)&in[8]); + const __m128i tmp2 = _mm_loadu_si128((const __m128i*)&in[16]); + const __m128i tmp3 = _mm_loadu_si128((const __m128i*)&in[24]); + in0 = _mm_unpacklo_epi64(tmp0, tmp2); + in1 = _mm_unpackhi_epi64(tmp0, tmp2); + in2 = _mm_unpacklo_epi64(tmp1, tmp3); + in3 = _mm_unpackhi_epi64(tmp1, tmp3); + // a00 a10 a20 a30 b00 b10 b20 b30 + // a01 a11 a21 a31 b01 b11 b21 b31 + // a02 a12 a22 a32 b02 b12 b22 b32 + // a03 a13 a23 a33 b03 b13 b23 b33 + } + + // Vertical pass and subsequent transpose. + { + // First pass, c and d calculations are longer because of the "trick" + // multiplications. + const __m128i a = _mm_add_epi16(in0, in2); + const __m128i b = _mm_sub_epi16(in0, in2); + // c = MUL(in1, K2) - MUL(in3, K1) = MUL(in1, k2) - MUL(in3, k1) + in1 - in3 + const __m128i c1 = _mm_mulhi_epi16(in1, k2); + const __m128i c2 = _mm_mulhi_epi16(in3, k1); + const __m128i c3 = _mm_sub_epi16(in1, in3); + const __m128i c4 = _mm_sub_epi16(c1, c2); + const __m128i c = _mm_add_epi16(c3, c4); + // d = MUL(in1, K1) + MUL(in3, K2) = MUL(in1, k1) + MUL(in3, k2) + in1 + in3 + const __m128i d1 = _mm_mulhi_epi16(in1, k1); + const __m128i d2 = _mm_mulhi_epi16(in3, k2); + const __m128i d3 = _mm_add_epi16(in1, in3); + const __m128i d4 = _mm_add_epi16(d1, d2); + const __m128i d = _mm_add_epi16(d3, d4); + + // Second pass. + const __m128i tmp0 = _mm_add_epi16(a, d); + const __m128i tmp1 = _mm_add_epi16(b, c); + const __m128i tmp2 = _mm_sub_epi16(b, c); + const __m128i tmp3 = _mm_sub_epi16(a, d); + + // Transpose the two 4x4. + VP8Transpose_2_4x4_16b(&tmp0, &tmp1, &tmp2, &tmp3, &T0, &T1, &T2, &T3); + } + + // Horizontal pass and subsequent transpose. + { + // First pass, c and d calculations are longer because of the "trick" + // multiplications. + const __m128i four = _mm_set1_epi16(4); + const __m128i dc = _mm_add_epi16(T0, four); + const __m128i a = _mm_add_epi16(dc, T2); + const __m128i b = _mm_sub_epi16(dc, T2); + // c = MUL(T1, K2) - MUL(T3, K1) = MUL(T1, k2) - MUL(T3, k1) + T1 - T3 + const __m128i c1 = _mm_mulhi_epi16(T1, k2); + const __m128i c2 = _mm_mulhi_epi16(T3, k1); + const __m128i c3 = _mm_sub_epi16(T1, T3); + const __m128i c4 = _mm_sub_epi16(c1, c2); + const __m128i c = _mm_add_epi16(c3, c4); + // d = MUL(T1, K1) + MUL(T3, K2) = MUL(T1, k1) + MUL(T3, k2) + T1 + T3 + const __m128i d1 = _mm_mulhi_epi16(T1, k1); + const __m128i d2 = _mm_mulhi_epi16(T3, k2); + const __m128i d3 = _mm_add_epi16(T1, T3); + const __m128i d4 = _mm_add_epi16(d1, d2); + const __m128i d = _mm_add_epi16(d3, d4); + + // Second pass. + const __m128i tmp0 = _mm_add_epi16(a, d); + const __m128i tmp1 = _mm_add_epi16(b, c); + const __m128i tmp2 = _mm_sub_epi16(b, c); + const __m128i tmp3 = _mm_sub_epi16(a, d); + const __m128i shifted0 = _mm_srai_epi16(tmp0, 3); + const __m128i shifted1 = _mm_srai_epi16(tmp1, 3); + const __m128i shifted2 = _mm_srai_epi16(tmp2, 3); + const __m128i shifted3 = _mm_srai_epi16(tmp3, 3); + + // Transpose the two 4x4. + VP8Transpose_2_4x4_16b(&shifted0, &shifted1, &shifted2, &shifted3, &T0, &T1, + &T2, &T3); + } + + // Add inverse transform to 'ref' and store. + { + const __m128i zero = _mm_setzero_si128(); + // Load the reference(s). + __m128i ref0, ref1, ref2, ref3; + // Load eight bytes/pixels per line. + ref0 = _mm_loadl_epi64((const __m128i*)&ref[0 * BPS]); + ref1 = _mm_loadl_epi64((const __m128i*)&ref[1 * BPS]); + ref2 = _mm_loadl_epi64((const __m128i*)&ref[2 * BPS]); + ref3 = _mm_loadl_epi64((const __m128i*)&ref[3 * BPS]); + // Convert to 16b. + ref0 = _mm_unpacklo_epi8(ref0, zero); + ref1 = _mm_unpacklo_epi8(ref1, zero); + ref2 = _mm_unpacklo_epi8(ref2, zero); + ref3 = _mm_unpacklo_epi8(ref3, zero); + // Add the inverse transform(s). + ref0 = _mm_add_epi16(ref0, T0); + ref1 = _mm_add_epi16(ref1, T1); + ref2 = _mm_add_epi16(ref2, T2); + ref3 = _mm_add_epi16(ref3, T3); + // Unsigned saturate to 8b. + ref0 = _mm_packus_epi16(ref0, ref0); + ref1 = _mm_packus_epi16(ref1, ref1); + ref2 = _mm_packus_epi16(ref2, ref2); + ref3 = _mm_packus_epi16(ref3, ref3); + // Store eight bytes/pixels per line. + _mm_storel_epi64((__m128i*)&dst[0 * BPS], ref0); + _mm_storel_epi64((__m128i*)&dst[1 * BPS], ref1); + _mm_storel_epi64((__m128i*)&dst[2 * BPS], ref2); + _mm_storel_epi64((__m128i*)&dst[3 * BPS], ref3); + } +} + +// Does one or two inverse transforms. +static void ITransform_SSE2(const uint8_t* ref, const int16_t* in, uint8_t* dst, + int do_two) { + if (do_two) { + ITransform_Two_SSE2(ref, in, dst); + } else { + ITransform_One_SSE2(ref, in, dst); + } +} + +static void FTransformPass1_SSE2(const __m128i* const in01, + const __m128i* const in23, + __m128i* const out01, + __m128i* const out32) { + const __m128i k937 = _mm_set1_epi32(937); + const __m128i k1812 = _mm_set1_epi32(1812); + + const __m128i k88p = _mm_set_epi16(8, 8, 8, 8, 8, 8, 8, 8); + const __m128i k88m = _mm_set_epi16(-8, 8, -8, 8, -8, 8, -8, 8); + const __m128i k5352_2217p = _mm_set_epi16(2217, 5352, 2217, 5352, + 2217, 5352, 2217, 5352); + const __m128i k5352_2217m = _mm_set_epi16(-5352, 2217, -5352, 2217, + -5352, 2217, -5352, 2217); + + // *in01 = 00 01 10 11 02 03 12 13 + // *in23 = 20 21 30 31 22 23 32 33 + const __m128i shuf01_p = _mm_shufflehi_epi16(*in01, _MM_SHUFFLE(2, 3, 0, 1)); + const __m128i shuf23_p = _mm_shufflehi_epi16(*in23, _MM_SHUFFLE(2, 3, 0, 1)); + // 00 01 10 11 03 02 13 12 + // 20 21 30 31 23 22 33 32 + const __m128i s01 = _mm_unpacklo_epi64(shuf01_p, shuf23_p); + const __m128i s32 = _mm_unpackhi_epi64(shuf01_p, shuf23_p); + // 00 01 10 11 20 21 30 31 + // 03 02 13 12 23 22 33 32 + const __m128i a01 = _mm_add_epi16(s01, s32); + const __m128i a32 = _mm_sub_epi16(s01, s32); + // [d0 + d3 | d1 + d2 | ...] = [a0 a1 | a0' a1' | ... ] + // [d0 - d3 | d1 - d2 | ...] = [a3 a2 | a3' a2' | ... ] + + const __m128i tmp0 = _mm_madd_epi16(a01, k88p); // [ (a0 + a1) << 3, ... ] + const __m128i tmp2 = _mm_madd_epi16(a01, k88m); // [ (a0 - a1) << 3, ... ] + const __m128i tmp1_1 = _mm_madd_epi16(a32, k5352_2217p); + const __m128i tmp3_1 = _mm_madd_epi16(a32, k5352_2217m); + const __m128i tmp1_2 = _mm_add_epi32(tmp1_1, k1812); + const __m128i tmp3_2 = _mm_add_epi32(tmp3_1, k937); + const __m128i tmp1 = _mm_srai_epi32(tmp1_2, 9); + const __m128i tmp3 = _mm_srai_epi32(tmp3_2, 9); + const __m128i s03 = _mm_packs_epi32(tmp0, tmp2); + const __m128i s12 = _mm_packs_epi32(tmp1, tmp3); + const __m128i s_lo = _mm_unpacklo_epi16(s03, s12); // 0 1 0 1 0 1... + const __m128i s_hi = _mm_unpackhi_epi16(s03, s12); // 2 3 2 3 2 3 + const __m128i v23 = _mm_unpackhi_epi32(s_lo, s_hi); + *out01 = _mm_unpacklo_epi32(s_lo, s_hi); + *out32 = _mm_shuffle_epi32(v23, _MM_SHUFFLE(1, 0, 3, 2)); // 3 2 3 2 3 2.. +} + +static void FTransformPass2_SSE2(const __m128i* const v01, + const __m128i* const v32, + int16_t* out) { + const __m128i zero = _mm_setzero_si128(); + const __m128i seven = _mm_set1_epi16(7); + const __m128i k5352_2217 = _mm_set_epi16(5352, 2217, 5352, 2217, + 5352, 2217, 5352, 2217); + const __m128i k2217_5352 = _mm_set_epi16(2217, -5352, 2217, -5352, + 2217, -5352, 2217, -5352); + const __m128i k12000_plus_one = _mm_set1_epi32(12000 + (1 << 16)); + const __m128i k51000 = _mm_set1_epi32(51000); + + // Same operations are done on the (0,3) and (1,2) pairs. + // a3 = v0 - v3 + // a2 = v1 - v2 + const __m128i a32 = _mm_sub_epi16(*v01, *v32); + const __m128i a22 = _mm_unpackhi_epi64(a32, a32); + + const __m128i b23 = _mm_unpacklo_epi16(a22, a32); + const __m128i c1 = _mm_madd_epi16(b23, k5352_2217); + const __m128i c3 = _mm_madd_epi16(b23, k2217_5352); + const __m128i d1 = _mm_add_epi32(c1, k12000_plus_one); + const __m128i d3 = _mm_add_epi32(c3, k51000); + const __m128i e1 = _mm_srai_epi32(d1, 16); + const __m128i e3 = _mm_srai_epi32(d3, 16); + // f1 = ((b3 * 5352 + b2 * 2217 + 12000) >> 16) + // f3 = ((b3 * 2217 - b2 * 5352 + 51000) >> 16) + const __m128i f1 = _mm_packs_epi32(e1, e1); + const __m128i f3 = _mm_packs_epi32(e3, e3); + // g1 = f1 + (a3 != 0); + // The compare will return (0xffff, 0) for (==0, !=0). To turn that into the + // desired (0, 1), we add one earlier through k12000_plus_one. + // -> g1 = f1 + 1 - (a3 == 0) + const __m128i g1 = _mm_add_epi16(f1, _mm_cmpeq_epi16(a32, zero)); + + // a0 = v0 + v3 + // a1 = v1 + v2 + const __m128i a01 = _mm_add_epi16(*v01, *v32); + const __m128i a01_plus_7 = _mm_add_epi16(a01, seven); + const __m128i a11 = _mm_unpackhi_epi64(a01, a01); + const __m128i c0 = _mm_add_epi16(a01_plus_7, a11); + const __m128i c2 = _mm_sub_epi16(a01_plus_7, a11); + // d0 = (a0 + a1 + 7) >> 4; + // d2 = (a0 - a1 + 7) >> 4; + const __m128i d0 = _mm_srai_epi16(c0, 4); + const __m128i d2 = _mm_srai_epi16(c2, 4); + + const __m128i d0_g1 = _mm_unpacklo_epi64(d0, g1); + const __m128i d2_f3 = _mm_unpacklo_epi64(d2, f3); + _mm_storeu_si128((__m128i*)&out[0], d0_g1); + _mm_storeu_si128((__m128i*)&out[8], d2_f3); +} + +static void FTransform_SSE2(const uint8_t* src, const uint8_t* ref, + int16_t* out) { + const __m128i zero = _mm_setzero_si128(); + // Load src. + const __m128i src0 = _mm_loadl_epi64((const __m128i*)&src[0 * BPS]); + const __m128i src1 = _mm_loadl_epi64((const __m128i*)&src[1 * BPS]); + const __m128i src2 = _mm_loadl_epi64((const __m128i*)&src[2 * BPS]); + const __m128i src3 = _mm_loadl_epi64((const __m128i*)&src[3 * BPS]); + // 00 01 02 03 * + // 10 11 12 13 * + // 20 21 22 23 * + // 30 31 32 33 * + // Shuffle. + const __m128i src_0 = _mm_unpacklo_epi16(src0, src1); + const __m128i src_1 = _mm_unpacklo_epi16(src2, src3); + // 00 01 10 11 02 03 12 13 * * ... + // 20 21 30 31 22 22 32 33 * * ... + + // Load ref. + const __m128i ref0 = _mm_loadl_epi64((const __m128i*)&ref[0 * BPS]); + const __m128i ref1 = _mm_loadl_epi64((const __m128i*)&ref[1 * BPS]); + const __m128i ref2 = _mm_loadl_epi64((const __m128i*)&ref[2 * BPS]); + const __m128i ref3 = _mm_loadl_epi64((const __m128i*)&ref[3 * BPS]); + const __m128i ref_0 = _mm_unpacklo_epi16(ref0, ref1); + const __m128i ref_1 = _mm_unpacklo_epi16(ref2, ref3); + + // Convert both to 16 bit. + const __m128i src_0_16b = _mm_unpacklo_epi8(src_0, zero); + const __m128i src_1_16b = _mm_unpacklo_epi8(src_1, zero); + const __m128i ref_0_16b = _mm_unpacklo_epi8(ref_0, zero); + const __m128i ref_1_16b = _mm_unpacklo_epi8(ref_1, zero); + + // Compute the difference. + const __m128i row01 = _mm_sub_epi16(src_0_16b, ref_0_16b); + const __m128i row23 = _mm_sub_epi16(src_1_16b, ref_1_16b); + __m128i v01, v32; + + // First pass + FTransformPass1_SSE2(&row01, &row23, &v01, &v32); + + // Second pass + FTransformPass2_SSE2(&v01, &v32, out); +} + +static void FTransform2_SSE2(const uint8_t* src, const uint8_t* ref, + int16_t* out) { + const __m128i zero = _mm_setzero_si128(); + + // Load src and convert to 16b. + const __m128i src0 = _mm_loadl_epi64((const __m128i*)&src[0 * BPS]); + const __m128i src1 = _mm_loadl_epi64((const __m128i*)&src[1 * BPS]); + const __m128i src2 = _mm_loadl_epi64((const __m128i*)&src[2 * BPS]); + const __m128i src3 = _mm_loadl_epi64((const __m128i*)&src[3 * BPS]); + const __m128i src_0 = _mm_unpacklo_epi8(src0, zero); + const __m128i src_1 = _mm_unpacklo_epi8(src1, zero); + const __m128i src_2 = _mm_unpacklo_epi8(src2, zero); + const __m128i src_3 = _mm_unpacklo_epi8(src3, zero); + // Load ref and convert to 16b. + const __m128i ref0 = _mm_loadl_epi64((const __m128i*)&ref[0 * BPS]); + const __m128i ref1 = _mm_loadl_epi64((const __m128i*)&ref[1 * BPS]); + const __m128i ref2 = _mm_loadl_epi64((const __m128i*)&ref[2 * BPS]); + const __m128i ref3 = _mm_loadl_epi64((const __m128i*)&ref[3 * BPS]); + const __m128i ref_0 = _mm_unpacklo_epi8(ref0, zero); + const __m128i ref_1 = _mm_unpacklo_epi8(ref1, zero); + const __m128i ref_2 = _mm_unpacklo_epi8(ref2, zero); + const __m128i ref_3 = _mm_unpacklo_epi8(ref3, zero); + // Compute difference. -> 00 01 02 03 00' 01' 02' 03' + const __m128i diff0 = _mm_sub_epi16(src_0, ref_0); + const __m128i diff1 = _mm_sub_epi16(src_1, ref_1); + const __m128i diff2 = _mm_sub_epi16(src_2, ref_2); + const __m128i diff3 = _mm_sub_epi16(src_3, ref_3); + + // Unpack and shuffle + // 00 01 02 03 0 0 0 0 + // 10 11 12 13 0 0 0 0 + // 20 21 22 23 0 0 0 0 + // 30 31 32 33 0 0 0 0 + const __m128i shuf01l = _mm_unpacklo_epi32(diff0, diff1); + const __m128i shuf23l = _mm_unpacklo_epi32(diff2, diff3); + const __m128i shuf01h = _mm_unpackhi_epi32(diff0, diff1); + const __m128i shuf23h = _mm_unpackhi_epi32(diff2, diff3); + __m128i v01l, v32l; + __m128i v01h, v32h; + + // First pass + FTransformPass1_SSE2(&shuf01l, &shuf23l, &v01l, &v32l); + FTransformPass1_SSE2(&shuf01h, &shuf23h, &v01h, &v32h); + + // Second pass + FTransformPass2_SSE2(&v01l, &v32l, out + 0); + FTransformPass2_SSE2(&v01h, &v32h, out + 16); +} + +static void FTransformWHTRow_SSE2(const int16_t* const in, __m128i* const out) { + const __m128i kMult = _mm_set_epi16(-1, 1, -1, 1, 1, 1, 1, 1); + const __m128i src0 = _mm_loadl_epi64((__m128i*)&in[0 * 16]); + const __m128i src1 = _mm_loadl_epi64((__m128i*)&in[1 * 16]); + const __m128i src2 = _mm_loadl_epi64((__m128i*)&in[2 * 16]); + const __m128i src3 = _mm_loadl_epi64((__m128i*)&in[3 * 16]); + const __m128i A01 = _mm_unpacklo_epi16(src0, src1); // A0 A1 | ... + const __m128i A23 = _mm_unpacklo_epi16(src2, src3); // A2 A3 | ... + const __m128i B0 = _mm_adds_epi16(A01, A23); // a0 | a1 | ... + const __m128i B1 = _mm_subs_epi16(A01, A23); // a3 | a2 | ... + const __m128i C0 = _mm_unpacklo_epi32(B0, B1); // a0 | a1 | a3 | a2 | ... + const __m128i C1 = _mm_unpacklo_epi32(B1, B0); // a3 | a2 | a0 | a1 | ... + const __m128i D = _mm_unpacklo_epi64(C0, C1); // a0 a1 a3 a2 a3 a2 a0 a1 + *out = _mm_madd_epi16(D, kMult); +} + +static void FTransformWHT_SSE2(const int16_t* in, int16_t* out) { + // Input is 12b signed. + __m128i row0, row1, row2, row3; + // Rows are 14b signed. + FTransformWHTRow_SSE2(in + 0 * 64, &row0); + FTransformWHTRow_SSE2(in + 1 * 64, &row1); + FTransformWHTRow_SSE2(in + 2 * 64, &row2); + FTransformWHTRow_SSE2(in + 3 * 64, &row3); + + { + // The a* are 15b signed. + const __m128i a0 = _mm_add_epi32(row0, row2); + const __m128i a1 = _mm_add_epi32(row1, row3); + const __m128i a2 = _mm_sub_epi32(row1, row3); + const __m128i a3 = _mm_sub_epi32(row0, row2); + const __m128i a0a3 = _mm_packs_epi32(a0, a3); + const __m128i a1a2 = _mm_packs_epi32(a1, a2); + + // The b* are 16b signed. + const __m128i b0b1 = _mm_add_epi16(a0a3, a1a2); + const __m128i b3b2 = _mm_sub_epi16(a0a3, a1a2); + const __m128i tmp_b2b3 = _mm_unpackhi_epi64(b3b2, b3b2); + const __m128i b2b3 = _mm_unpacklo_epi64(tmp_b2b3, b3b2); + + _mm_storeu_si128((__m128i*)&out[0], _mm_srai_epi16(b0b1, 1)); + _mm_storeu_si128((__m128i*)&out[8], _mm_srai_epi16(b2b3, 1)); + } +} + +//------------------------------------------------------------------------------ +// Compute susceptibility based on DCT-coeff histograms: +// the higher, the "easier" the macroblock is to compress. + +static void CollectHistogram_SSE2(const uint8_t* ref, const uint8_t* pred, + int start_block, int end_block, + VP8Histogram* const histo) { + const __m128i zero = _mm_setzero_si128(); + const __m128i max_coeff_thresh = _mm_set1_epi16(MAX_COEFF_THRESH); + int j; + int distribution[MAX_COEFF_THRESH + 1] = { 0 }; + for (j = start_block; j < end_block; ++j) { + int16_t out[16]; + int k; + + FTransform_SSE2(ref + VP8DspScan[j], pred + VP8DspScan[j], out); + + // Convert coefficients to bin (within out[]). + { + // Load. + const __m128i out0 = _mm_loadu_si128((__m128i*)&out[0]); + const __m128i out1 = _mm_loadu_si128((__m128i*)&out[8]); + const __m128i d0 = _mm_sub_epi16(zero, out0); + const __m128i d1 = _mm_sub_epi16(zero, out1); + const __m128i abs0 = _mm_max_epi16(out0, d0); // abs(v), 16b + const __m128i abs1 = _mm_max_epi16(out1, d1); + // v = abs(out) >> 3 + const __m128i v0 = _mm_srai_epi16(abs0, 3); + const __m128i v1 = _mm_srai_epi16(abs1, 3); + // bin = min(v, MAX_COEFF_THRESH) + const __m128i bin0 = _mm_min_epi16(v0, max_coeff_thresh); + const __m128i bin1 = _mm_min_epi16(v1, max_coeff_thresh); + // Store. + _mm_storeu_si128((__m128i*)&out[0], bin0); + _mm_storeu_si128((__m128i*)&out[8], bin1); + } + + // Convert coefficients to bin. + for (k = 0; k < 16; ++k) { + ++distribution[out[k]]; + } + } + VP8SetHistogramData(distribution, histo); +} + +//------------------------------------------------------------------------------ +// Intra predictions + +// helper for chroma-DC predictions +static WEBP_INLINE void Put8x8uv_SSE2(uint8_t v, uint8_t* dst) { + int j; + const __m128i values = _mm_set1_epi8((char)v); + for (j = 0; j < 8; ++j) { + _mm_storel_epi64((__m128i*)(dst + j * BPS), values); + } +} + +static WEBP_INLINE void Put16_SSE2(uint8_t v, uint8_t* dst) { + int j; + const __m128i values = _mm_set1_epi8((char)v); + for (j = 0; j < 16; ++j) { + _mm_store_si128((__m128i*)(dst + j * BPS), values); + } +} + +static WEBP_INLINE void Fill_SSE2(uint8_t* dst, int value, int size) { + if (size == 4) { + int j; + for (j = 0; j < 4; ++j) { + memset(dst + j * BPS, value, 4); + } + } else if (size == 8) { + Put8x8uv_SSE2(value, dst); + } else { + Put16_SSE2(value, dst); + } +} + +static WEBP_INLINE void VE8uv_SSE2(uint8_t* dst, const uint8_t* top) { + int j; + const __m128i top_values = _mm_loadl_epi64((const __m128i*)top); + for (j = 0; j < 8; ++j) { + _mm_storel_epi64((__m128i*)(dst + j * BPS), top_values); + } +} + +static WEBP_INLINE void VE16_SSE2(uint8_t* dst, const uint8_t* top) { + const __m128i top_values = _mm_load_si128((const __m128i*)top); + int j; + for (j = 0; j < 16; ++j) { + _mm_store_si128((__m128i*)(dst + j * BPS), top_values); + } +} + +static WEBP_INLINE void VerticalPred_SSE2(uint8_t* dst, + const uint8_t* top, int size) { + if (top != NULL) { + if (size == 8) { + VE8uv_SSE2(dst, top); + } else { + VE16_SSE2(dst, top); + } + } else { + Fill_SSE2(dst, 127, size); + } +} + +static WEBP_INLINE void HE8uv_SSE2(uint8_t* dst, const uint8_t* left) { + int j; + for (j = 0; j < 8; ++j) { + const __m128i values = _mm_set1_epi8((char)left[j]); + _mm_storel_epi64((__m128i*)dst, values); + dst += BPS; + } +} + +static WEBP_INLINE void HE16_SSE2(uint8_t* dst, const uint8_t* left) { + int j; + for (j = 0; j < 16; ++j) { + const __m128i values = _mm_set1_epi8((char)left[j]); + _mm_store_si128((__m128i*)dst, values); + dst += BPS; + } +} + +static WEBP_INLINE void HorizontalPred_SSE2(uint8_t* dst, + const uint8_t* left, int size) { + if (left != NULL) { + if (size == 8) { + HE8uv_SSE2(dst, left); + } else { + HE16_SSE2(dst, left); + } + } else { + Fill_SSE2(dst, 129, size); + } +} + +static WEBP_INLINE void TM_SSE2(uint8_t* dst, const uint8_t* left, + const uint8_t* top, int size) { + const __m128i zero = _mm_setzero_si128(); + int y; + if (size == 8) { + const __m128i top_values = _mm_loadl_epi64((const __m128i*)top); + const __m128i top_base = _mm_unpacklo_epi8(top_values, zero); + for (y = 0; y < 8; ++y, dst += BPS) { + const int val = left[y] - left[-1]; + const __m128i base = _mm_set1_epi16(val); + const __m128i out = _mm_packus_epi16(_mm_add_epi16(base, top_base), zero); + _mm_storel_epi64((__m128i*)dst, out); + } + } else { + const __m128i top_values = _mm_load_si128((const __m128i*)top); + const __m128i top_base_0 = _mm_unpacklo_epi8(top_values, zero); + const __m128i top_base_1 = _mm_unpackhi_epi8(top_values, zero); + for (y = 0; y < 16; ++y, dst += BPS) { + const int val = left[y] - left[-1]; + const __m128i base = _mm_set1_epi16(val); + const __m128i out_0 = _mm_add_epi16(base, top_base_0); + const __m128i out_1 = _mm_add_epi16(base, top_base_1); + const __m128i out = _mm_packus_epi16(out_0, out_1); + _mm_store_si128((__m128i*)dst, out); + } + } +} + +static WEBP_INLINE void TrueMotion_SSE2(uint8_t* dst, const uint8_t* left, + const uint8_t* top, int size) { + if (left != NULL) { + if (top != NULL) { + TM_SSE2(dst, left, top, size); + } else { + HorizontalPred_SSE2(dst, left, size); + } + } else { + // true motion without left samples (hence: with default 129 value) + // is equivalent to VE prediction where you just copy the top samples. + // Note that if top samples are not available, the default value is + // then 129, and not 127 as in the VerticalPred case. + if (top != NULL) { + VerticalPred_SSE2(dst, top, size); + } else { + Fill_SSE2(dst, 129, size); + } + } +} + +static WEBP_INLINE void DC8uv_SSE2(uint8_t* dst, const uint8_t* left, + const uint8_t* top) { + const __m128i top_values = _mm_loadl_epi64((const __m128i*)top); + const __m128i left_values = _mm_loadl_epi64((const __m128i*)left); + const __m128i combined = _mm_unpacklo_epi64(top_values, left_values); + const int DC = VP8HorizontalAdd8b(&combined) + 8; + Put8x8uv_SSE2(DC >> 4, dst); +} + +static WEBP_INLINE void DC8uvNoLeft_SSE2(uint8_t* dst, const uint8_t* top) { + const __m128i zero = _mm_setzero_si128(); + const __m128i top_values = _mm_loadl_epi64((const __m128i*)top); + const __m128i sum = _mm_sad_epu8(top_values, zero); + const int DC = _mm_cvtsi128_si32(sum) + 4; + Put8x8uv_SSE2(DC >> 3, dst); +} + +static WEBP_INLINE void DC8uvNoTop_SSE2(uint8_t* dst, const uint8_t* left) { + // 'left' is contiguous so we can reuse the top summation. + DC8uvNoLeft_SSE2(dst, left); +} + +static WEBP_INLINE void DC8uvNoTopLeft_SSE2(uint8_t* dst) { + Put8x8uv_SSE2(0x80, dst); +} + +static WEBP_INLINE void DC8uvMode_SSE2(uint8_t* dst, const uint8_t* left, + const uint8_t* top) { + if (top != NULL) { + if (left != NULL) { // top and left present + DC8uv_SSE2(dst, left, top); + } else { // top, but no left + DC8uvNoLeft_SSE2(dst, top); + } + } else if (left != NULL) { // left but no top + DC8uvNoTop_SSE2(dst, left); + } else { // no top, no left, nothing. + DC8uvNoTopLeft_SSE2(dst); + } +} + +static WEBP_INLINE void DC16_SSE2(uint8_t* dst, const uint8_t* left, + const uint8_t* top) { + const __m128i top_row = _mm_load_si128((const __m128i*)top); + const __m128i left_row = _mm_load_si128((const __m128i*)left); + const int DC = + VP8HorizontalAdd8b(&top_row) + VP8HorizontalAdd8b(&left_row) + 16; + Put16_SSE2(DC >> 5, dst); +} + +static WEBP_INLINE void DC16NoLeft_SSE2(uint8_t* dst, const uint8_t* top) { + const __m128i top_row = _mm_load_si128((const __m128i*)top); + const int DC = VP8HorizontalAdd8b(&top_row) + 8; + Put16_SSE2(DC >> 4, dst); +} + +static WEBP_INLINE void DC16NoTop_SSE2(uint8_t* dst, const uint8_t* left) { + // 'left' is contiguous so we can reuse the top summation. + DC16NoLeft_SSE2(dst, left); +} + +static WEBP_INLINE void DC16NoTopLeft_SSE2(uint8_t* dst) { + Put16_SSE2(0x80, dst); +} + +static WEBP_INLINE void DC16Mode_SSE2(uint8_t* dst, const uint8_t* left, + const uint8_t* top) { + if (top != NULL) { + if (left != NULL) { // top and left present + DC16_SSE2(dst, left, top); + } else { // top, but no left + DC16NoLeft_SSE2(dst, top); + } + } else if (left != NULL) { // left but no top + DC16NoTop_SSE2(dst, left); + } else { // no top, no left, nothing. + DC16NoTopLeft_SSE2(dst); + } +} + +//------------------------------------------------------------------------------ +// 4x4 predictions + +#define DST(x, y) dst[(x) + (y) * BPS] +#define AVG3(a, b, c) (((a) + 2 * (b) + (c) + 2) >> 2) +#define AVG2(a, b) (((a) + (b) + 1) >> 1) + +// We use the following 8b-arithmetic tricks: +// (a + 2 * b + c + 2) >> 2 = (AC + b + 1) >> 1 +// where: AC = (a + c) >> 1 = [(a + c + 1) >> 1] - [(a^c) & 1] +// and: +// (a + 2 * b + c + 2) >> 2 = (AB + BC + 1) >> 1 - (ab|bc)&lsb +// where: AC = (a + b + 1) >> 1, BC = (b + c + 1) >> 1 +// and ab = a ^ b, bc = b ^ c, lsb = (AC^BC)&1 + +static WEBP_INLINE void VE4_SSE2(uint8_t* dst, + const uint8_t* top) { // vertical + const __m128i one = _mm_set1_epi8(1); + const __m128i ABCDEFGH = _mm_loadl_epi64((__m128i*)(top - 1)); + const __m128i BCDEFGH0 = _mm_srli_si128(ABCDEFGH, 1); + const __m128i CDEFGH00 = _mm_srli_si128(ABCDEFGH, 2); + const __m128i a = _mm_avg_epu8(ABCDEFGH, CDEFGH00); + const __m128i lsb = _mm_and_si128(_mm_xor_si128(ABCDEFGH, CDEFGH00), one); + const __m128i b = _mm_subs_epu8(a, lsb); + const __m128i avg = _mm_avg_epu8(b, BCDEFGH0); + const int vals = _mm_cvtsi128_si32(avg); + int i; + for (i = 0; i < 4; ++i) { + WebPInt32ToMem(dst + i * BPS, vals); + } +} + +static WEBP_INLINE void HE4_SSE2(uint8_t* dst, + const uint8_t* top) { // horizontal + const int X = top[-1]; + const int I = top[-2]; + const int J = top[-3]; + const int K = top[-4]; + const int L = top[-5]; + WebPUint32ToMem(dst + 0 * BPS, 0x01010101U * AVG3(X, I, J)); + WebPUint32ToMem(dst + 1 * BPS, 0x01010101U * AVG3(I, J, K)); + WebPUint32ToMem(dst + 2 * BPS, 0x01010101U * AVG3(J, K, L)); + WebPUint32ToMem(dst + 3 * BPS, 0x01010101U * AVG3(K, L, L)); +} + +static WEBP_INLINE void DC4_SSE2(uint8_t* dst, const uint8_t* top) { + uint32_t dc = 4; + int i; + for (i = 0; i < 4; ++i) dc += top[i] + top[-5 + i]; + Fill_SSE2(dst, dc >> 3, 4); +} + +static WEBP_INLINE void LD4_SSE2(uint8_t* dst, + const uint8_t* top) { // Down-Left + const __m128i one = _mm_set1_epi8(1); + const __m128i ABCDEFGH = _mm_loadl_epi64((const __m128i*)top); + const __m128i BCDEFGH0 = _mm_srli_si128(ABCDEFGH, 1); + const __m128i CDEFGH00 = _mm_srli_si128(ABCDEFGH, 2); + const __m128i CDEFGHH0 = _mm_insert_epi16(CDEFGH00, top[7], 3); + const __m128i avg1 = _mm_avg_epu8(ABCDEFGH, CDEFGHH0); + const __m128i lsb = _mm_and_si128(_mm_xor_si128(ABCDEFGH, CDEFGHH0), one); + const __m128i avg2 = _mm_subs_epu8(avg1, lsb); + const __m128i abcdefg = _mm_avg_epu8(avg2, BCDEFGH0); + WebPInt32ToMem(dst + 0 * BPS, _mm_cvtsi128_si32( abcdefg )); + WebPInt32ToMem(dst + 1 * BPS, _mm_cvtsi128_si32(_mm_srli_si128(abcdefg, 1))); + WebPInt32ToMem(dst + 2 * BPS, _mm_cvtsi128_si32(_mm_srli_si128(abcdefg, 2))); + WebPInt32ToMem(dst + 3 * BPS, _mm_cvtsi128_si32(_mm_srli_si128(abcdefg, 3))); +} + +static WEBP_INLINE void VR4_SSE2(uint8_t* dst, + const uint8_t* top) { // Vertical-Right + const __m128i one = _mm_set1_epi8(1); + const int I = top[-2]; + const int J = top[-3]; + const int K = top[-4]; + const int X = top[-1]; + const __m128i XABCD = _mm_loadl_epi64((const __m128i*)(top - 1)); + const __m128i ABCD0 = _mm_srli_si128(XABCD, 1); + const __m128i abcd = _mm_avg_epu8(XABCD, ABCD0); + const __m128i _XABCD = _mm_slli_si128(XABCD, 1); + const __m128i IXABCD = _mm_insert_epi16(_XABCD, (short)(I | (X << 8)), 0); + const __m128i avg1 = _mm_avg_epu8(IXABCD, ABCD0); + const __m128i lsb = _mm_and_si128(_mm_xor_si128(IXABCD, ABCD0), one); + const __m128i avg2 = _mm_subs_epu8(avg1, lsb); + const __m128i efgh = _mm_avg_epu8(avg2, XABCD); + WebPInt32ToMem(dst + 0 * BPS, _mm_cvtsi128_si32( abcd )); + WebPInt32ToMem(dst + 1 * BPS, _mm_cvtsi128_si32( efgh )); + WebPInt32ToMem(dst + 2 * BPS, _mm_cvtsi128_si32(_mm_slli_si128(abcd, 1))); + WebPInt32ToMem(dst + 3 * BPS, _mm_cvtsi128_si32(_mm_slli_si128(efgh, 1))); + + // these two are hard to implement in SSE2, so we keep the C-version: + DST(0, 2) = AVG3(J, I, X); + DST(0, 3) = AVG3(K, J, I); +} + +static WEBP_INLINE void VL4_SSE2(uint8_t* dst, + const uint8_t* top) { // Vertical-Left + const __m128i one = _mm_set1_epi8(1); + const __m128i ABCDEFGH = _mm_loadl_epi64((const __m128i*)top); + const __m128i BCDEFGH_ = _mm_srli_si128(ABCDEFGH, 1); + const __m128i CDEFGH__ = _mm_srli_si128(ABCDEFGH, 2); + const __m128i avg1 = _mm_avg_epu8(ABCDEFGH, BCDEFGH_); + const __m128i avg2 = _mm_avg_epu8(CDEFGH__, BCDEFGH_); + const __m128i avg3 = _mm_avg_epu8(avg1, avg2); + const __m128i lsb1 = _mm_and_si128(_mm_xor_si128(avg1, avg2), one); + const __m128i ab = _mm_xor_si128(ABCDEFGH, BCDEFGH_); + const __m128i bc = _mm_xor_si128(CDEFGH__, BCDEFGH_); + const __m128i abbc = _mm_or_si128(ab, bc); + const __m128i lsb2 = _mm_and_si128(abbc, lsb1); + const __m128i avg4 = _mm_subs_epu8(avg3, lsb2); + const uint32_t extra_out = + (uint32_t)_mm_cvtsi128_si32(_mm_srli_si128(avg4, 4)); + WebPInt32ToMem(dst + 0 * BPS, _mm_cvtsi128_si32( avg1 )); + WebPInt32ToMem(dst + 1 * BPS, _mm_cvtsi128_si32( avg4 )); + WebPInt32ToMem(dst + 2 * BPS, _mm_cvtsi128_si32(_mm_srli_si128(avg1, 1))); + WebPInt32ToMem(dst + 3 * BPS, _mm_cvtsi128_si32(_mm_srli_si128(avg4, 1))); + + // these two are hard to get and irregular + DST(3, 2) = (extra_out >> 0) & 0xff; + DST(3, 3) = (extra_out >> 8) & 0xff; +} + +static WEBP_INLINE void RD4_SSE2(uint8_t* dst, + const uint8_t* top) { // Down-right + const __m128i one = _mm_set1_epi8(1); + const __m128i LKJIXABC = _mm_loadl_epi64((const __m128i*)(top - 5)); + const __m128i LKJIXABCD = _mm_insert_epi16(LKJIXABC, top[3], 4); + const __m128i KJIXABCD_ = _mm_srli_si128(LKJIXABCD, 1); + const __m128i JIXABCD__ = _mm_srli_si128(LKJIXABCD, 2); + const __m128i avg1 = _mm_avg_epu8(JIXABCD__, LKJIXABCD); + const __m128i lsb = _mm_and_si128(_mm_xor_si128(JIXABCD__, LKJIXABCD), one); + const __m128i avg2 = _mm_subs_epu8(avg1, lsb); + const __m128i abcdefg = _mm_avg_epu8(avg2, KJIXABCD_); + WebPInt32ToMem(dst + 3 * BPS, _mm_cvtsi128_si32( abcdefg )); + WebPInt32ToMem(dst + 2 * BPS, _mm_cvtsi128_si32(_mm_srli_si128(abcdefg, 1))); + WebPInt32ToMem(dst + 1 * BPS, _mm_cvtsi128_si32(_mm_srli_si128(abcdefg, 2))); + WebPInt32ToMem(dst + 0 * BPS, _mm_cvtsi128_si32(_mm_srli_si128(abcdefg, 3))); +} + +static WEBP_INLINE void HU4_SSE2(uint8_t* dst, const uint8_t* top) { + const int I = top[-2]; + const int J = top[-3]; + const int K = top[-4]; + const int L = top[-5]; + DST(0, 0) = AVG2(I, J); + DST(2, 0) = DST(0, 1) = AVG2(J, K); + DST(2, 1) = DST(0, 2) = AVG2(K, L); + DST(1, 0) = AVG3(I, J, K); + DST(3, 0) = DST(1, 1) = AVG3(J, K, L); + DST(3, 1) = DST(1, 2) = AVG3(K, L, L); + DST(3, 2) = DST(2, 2) = + DST(0, 3) = DST(1, 3) = DST(2, 3) = DST(3, 3) = L; +} + +static WEBP_INLINE void HD4_SSE2(uint8_t* dst, const uint8_t* top) { + const int X = top[-1]; + const int I = top[-2]; + const int J = top[-3]; + const int K = top[-4]; + const int L = top[-5]; + const int A = top[0]; + const int B = top[1]; + const int C = top[2]; + + DST(0, 0) = DST(2, 1) = AVG2(I, X); + DST(0, 1) = DST(2, 2) = AVG2(J, I); + DST(0, 2) = DST(2, 3) = AVG2(K, J); + DST(0, 3) = AVG2(L, K); + + DST(3, 0) = AVG3(A, B, C); + DST(2, 0) = AVG3(X, A, B); + DST(1, 0) = DST(3, 1) = AVG3(I, X, A); + DST(1, 1) = DST(3, 2) = AVG3(J, I, X); + DST(1, 2) = DST(3, 3) = AVG3(K, J, I); + DST(1, 3) = AVG3(L, K, J); +} + +static WEBP_INLINE void TM4_SSE2(uint8_t* dst, const uint8_t* top) { + const __m128i zero = _mm_setzero_si128(); + const __m128i top_values = _mm_cvtsi32_si128(WebPMemToInt32(top)); + const __m128i top_base = _mm_unpacklo_epi8(top_values, zero); + int y; + for (y = 0; y < 4; ++y, dst += BPS) { + const int val = top[-2 - y] - top[-1]; + const __m128i base = _mm_set1_epi16(val); + const __m128i out = _mm_packus_epi16(_mm_add_epi16(base, top_base), zero); + WebPInt32ToMem(dst, _mm_cvtsi128_si32(out)); + } +} + +#undef DST +#undef AVG3 +#undef AVG2 + +//------------------------------------------------------------------------------ +// luma 4x4 prediction + +// Left samples are top[-5 .. -2], top_left is top[-1], top are +// located at top[0..3], and top right is top[4..7] +static void Intra4Preds_SSE2(uint8_t* dst, const uint8_t* top) { + DC4_SSE2(I4DC4 + dst, top); + TM4_SSE2(I4TM4 + dst, top); + VE4_SSE2(I4VE4 + dst, top); + HE4_SSE2(I4HE4 + dst, top); + RD4_SSE2(I4RD4 + dst, top); + VR4_SSE2(I4VR4 + dst, top); + LD4_SSE2(I4LD4 + dst, top); + VL4_SSE2(I4VL4 + dst, top); + HD4_SSE2(I4HD4 + dst, top); + HU4_SSE2(I4HU4 + dst, top); +} + +//------------------------------------------------------------------------------ +// Chroma 8x8 prediction (paragraph 12.2) + +static void IntraChromaPreds_SSE2(uint8_t* dst, const uint8_t* left, + const uint8_t* top) { + // U block + DC8uvMode_SSE2(C8DC8 + dst, left, top); + VerticalPred_SSE2(C8VE8 + dst, top, 8); + HorizontalPred_SSE2(C8HE8 + dst, left, 8); + TrueMotion_SSE2(C8TM8 + dst, left, top, 8); + // V block + dst += 8; + if (top != NULL) top += 8; + if (left != NULL) left += 16; + DC8uvMode_SSE2(C8DC8 + dst, left, top); + VerticalPred_SSE2(C8VE8 + dst, top, 8); + HorizontalPred_SSE2(C8HE8 + dst, left, 8); + TrueMotion_SSE2(C8TM8 + dst, left, top, 8); +} + +//------------------------------------------------------------------------------ +// luma 16x16 prediction (paragraph 12.3) + +static void Intra16Preds_SSE2(uint8_t* dst, + const uint8_t* left, const uint8_t* top) { + DC16Mode_SSE2(I16DC16 + dst, left, top); + VerticalPred_SSE2(I16VE16 + dst, top, 16); + HorizontalPred_SSE2(I16HE16 + dst, left, 16); + TrueMotion_SSE2(I16TM16 + dst, left, top, 16); +} + +//------------------------------------------------------------------------------ +// Metric + +static WEBP_INLINE void SubtractAndAccumulate_SSE2(const __m128i a, + const __m128i b, + __m128i* const sum) { + // take abs(a-b) in 8b + const __m128i a_b = _mm_subs_epu8(a, b); + const __m128i b_a = _mm_subs_epu8(b, a); + const __m128i abs_a_b = _mm_or_si128(a_b, b_a); + // zero-extend to 16b + const __m128i zero = _mm_setzero_si128(); + const __m128i C0 = _mm_unpacklo_epi8(abs_a_b, zero); + const __m128i C1 = _mm_unpackhi_epi8(abs_a_b, zero); + // multiply with self + const __m128i sum1 = _mm_madd_epi16(C0, C0); + const __m128i sum2 = _mm_madd_epi16(C1, C1); + *sum = _mm_add_epi32(sum1, sum2); +} + +static WEBP_INLINE int SSE_16xN_SSE2(const uint8_t* a, const uint8_t* b, + int num_pairs) { + __m128i sum = _mm_setzero_si128(); + int32_t tmp[4]; + int i; + + for (i = 0; i < num_pairs; ++i) { + const __m128i a0 = _mm_loadu_si128((const __m128i*)&a[BPS * 0]); + const __m128i b0 = _mm_loadu_si128((const __m128i*)&b[BPS * 0]); + const __m128i a1 = _mm_loadu_si128((const __m128i*)&a[BPS * 1]); + const __m128i b1 = _mm_loadu_si128((const __m128i*)&b[BPS * 1]); + __m128i sum1, sum2; + SubtractAndAccumulate_SSE2(a0, b0, &sum1); + SubtractAndAccumulate_SSE2(a1, b1, &sum2); + sum = _mm_add_epi32(sum, _mm_add_epi32(sum1, sum2)); + a += 2 * BPS; + b += 2 * BPS; + } + _mm_storeu_si128((__m128i*)tmp, sum); + return (tmp[3] + tmp[2] + tmp[1] + tmp[0]); +} + +static int SSE16x16_SSE2(const uint8_t* a, const uint8_t* b) { + return SSE_16xN_SSE2(a, b, 8); +} + +static int SSE16x8_SSE2(const uint8_t* a, const uint8_t* b) { + return SSE_16xN_SSE2(a, b, 4); +} + +#define LOAD_8x16b(ptr) \ + _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i*)(ptr)), zero) + +static int SSE8x8_SSE2(const uint8_t* a, const uint8_t* b) { + const __m128i zero = _mm_setzero_si128(); + int num_pairs = 4; + __m128i sum = zero; + int32_t tmp[4]; + while (num_pairs-- > 0) { + const __m128i a0 = LOAD_8x16b(&a[BPS * 0]); + const __m128i a1 = LOAD_8x16b(&a[BPS * 1]); + const __m128i b0 = LOAD_8x16b(&b[BPS * 0]); + const __m128i b1 = LOAD_8x16b(&b[BPS * 1]); + // subtract + const __m128i c0 = _mm_subs_epi16(a0, b0); + const __m128i c1 = _mm_subs_epi16(a1, b1); + // multiply/accumulate with self + const __m128i d0 = _mm_madd_epi16(c0, c0); + const __m128i d1 = _mm_madd_epi16(c1, c1); + // collect + const __m128i sum01 = _mm_add_epi32(d0, d1); + sum = _mm_add_epi32(sum, sum01); + a += 2 * BPS; + b += 2 * BPS; + } + _mm_storeu_si128((__m128i*)tmp, sum); + return (tmp[3] + tmp[2] + tmp[1] + tmp[0]); +} +#undef LOAD_8x16b + +static int SSE4x4_SSE2(const uint8_t* a, const uint8_t* b) { + const __m128i zero = _mm_setzero_si128(); + + // Load values. Note that we read 8 pixels instead of 4, + // but the a/b buffers are over-allocated to that effect. + const __m128i a0 = _mm_loadl_epi64((const __m128i*)&a[BPS * 0]); + const __m128i a1 = _mm_loadl_epi64((const __m128i*)&a[BPS * 1]); + const __m128i a2 = _mm_loadl_epi64((const __m128i*)&a[BPS * 2]); + const __m128i a3 = _mm_loadl_epi64((const __m128i*)&a[BPS * 3]); + const __m128i b0 = _mm_loadl_epi64((const __m128i*)&b[BPS * 0]); + const __m128i b1 = _mm_loadl_epi64((const __m128i*)&b[BPS * 1]); + const __m128i b2 = _mm_loadl_epi64((const __m128i*)&b[BPS * 2]); + const __m128i b3 = _mm_loadl_epi64((const __m128i*)&b[BPS * 3]); + // Combine pair of lines. + const __m128i a01 = _mm_unpacklo_epi32(a0, a1); + const __m128i a23 = _mm_unpacklo_epi32(a2, a3); + const __m128i b01 = _mm_unpacklo_epi32(b0, b1); + const __m128i b23 = _mm_unpacklo_epi32(b2, b3); + // Convert to 16b. + const __m128i a01s = _mm_unpacklo_epi8(a01, zero); + const __m128i a23s = _mm_unpacklo_epi8(a23, zero); + const __m128i b01s = _mm_unpacklo_epi8(b01, zero); + const __m128i b23s = _mm_unpacklo_epi8(b23, zero); + // subtract, square and accumulate + const __m128i d0 = _mm_subs_epi16(a01s, b01s); + const __m128i d1 = _mm_subs_epi16(a23s, b23s); + const __m128i e0 = _mm_madd_epi16(d0, d0); + const __m128i e1 = _mm_madd_epi16(d1, d1); + const __m128i sum = _mm_add_epi32(e0, e1); + + int32_t tmp[4]; + _mm_storeu_si128((__m128i*)tmp, sum); + return (tmp[3] + tmp[2] + tmp[1] + tmp[0]); +} + +//------------------------------------------------------------------------------ + +static void Mean16x4_SSE2(const uint8_t* ref, uint32_t dc[4]) { + const __m128i mask = _mm_set1_epi16(0x00ff); + const __m128i a0 = _mm_loadu_si128((const __m128i*)&ref[BPS * 0]); + const __m128i a1 = _mm_loadu_si128((const __m128i*)&ref[BPS * 1]); + const __m128i a2 = _mm_loadu_si128((const __m128i*)&ref[BPS * 2]); + const __m128i a3 = _mm_loadu_si128((const __m128i*)&ref[BPS * 3]); + const __m128i b0 = _mm_srli_epi16(a0, 8); // hi byte + const __m128i b1 = _mm_srli_epi16(a1, 8); + const __m128i b2 = _mm_srli_epi16(a2, 8); + const __m128i b3 = _mm_srli_epi16(a3, 8); + const __m128i c0 = _mm_and_si128(a0, mask); // lo byte + const __m128i c1 = _mm_and_si128(a1, mask); + const __m128i c2 = _mm_and_si128(a2, mask); + const __m128i c3 = _mm_and_si128(a3, mask); + const __m128i d0 = _mm_add_epi32(b0, c0); + const __m128i d1 = _mm_add_epi32(b1, c1); + const __m128i d2 = _mm_add_epi32(b2, c2); + const __m128i d3 = _mm_add_epi32(b3, c3); + const __m128i e0 = _mm_add_epi32(d0, d1); + const __m128i e1 = _mm_add_epi32(d2, d3); + const __m128i f0 = _mm_add_epi32(e0, e1); + uint16_t tmp[8]; + _mm_storeu_si128((__m128i*)tmp, f0); + dc[0] = tmp[0] + tmp[1]; + dc[1] = tmp[2] + tmp[3]; + dc[2] = tmp[4] + tmp[5]; + dc[3] = tmp[6] + tmp[7]; +} + +//------------------------------------------------------------------------------ +// Texture distortion +// +// We try to match the spectral content (weighted) between source and +// reconstructed samples. + +// Hadamard transform +// Returns the weighted sum of the absolute value of transformed coefficients. +// w[] contains a row-major 4 by 4 symmetric matrix. +static int TTransform_SSE2(const uint8_t* inA, const uint8_t* inB, + const uint16_t* const w) { + int32_t sum[4]; + __m128i tmp_0, tmp_1, tmp_2, tmp_3; + const __m128i zero = _mm_setzero_si128(); + + // Load and combine inputs. + { + const __m128i inA_0 = _mm_loadl_epi64((const __m128i*)&inA[BPS * 0]); + const __m128i inA_1 = _mm_loadl_epi64((const __m128i*)&inA[BPS * 1]); + const __m128i inA_2 = _mm_loadl_epi64((const __m128i*)&inA[BPS * 2]); + const __m128i inA_3 = _mm_loadl_epi64((const __m128i*)&inA[BPS * 3]); + const __m128i inB_0 = _mm_loadl_epi64((const __m128i*)&inB[BPS * 0]); + const __m128i inB_1 = _mm_loadl_epi64((const __m128i*)&inB[BPS * 1]); + const __m128i inB_2 = _mm_loadl_epi64((const __m128i*)&inB[BPS * 2]); + const __m128i inB_3 = _mm_loadl_epi64((const __m128i*)&inB[BPS * 3]); + + // Combine inA and inB (we'll do two transforms in parallel). + const __m128i inAB_0 = _mm_unpacklo_epi32(inA_0, inB_0); + const __m128i inAB_1 = _mm_unpacklo_epi32(inA_1, inB_1); + const __m128i inAB_2 = _mm_unpacklo_epi32(inA_2, inB_2); + const __m128i inAB_3 = _mm_unpacklo_epi32(inA_3, inB_3); + tmp_0 = _mm_unpacklo_epi8(inAB_0, zero); + tmp_1 = _mm_unpacklo_epi8(inAB_1, zero); + tmp_2 = _mm_unpacklo_epi8(inAB_2, zero); + tmp_3 = _mm_unpacklo_epi8(inAB_3, zero); + // a00 a01 a02 a03 b00 b01 b02 b03 + // a10 a11 a12 a13 b10 b11 b12 b13 + // a20 a21 a22 a23 b20 b21 b22 b23 + // a30 a31 a32 a33 b30 b31 b32 b33 + } + + // Vertical pass first to avoid a transpose (vertical and horizontal passes + // are commutative because w/kWeightY is symmetric) and subsequent transpose. + { + // Calculate a and b (two 4x4 at once). + const __m128i a0 = _mm_add_epi16(tmp_0, tmp_2); + const __m128i a1 = _mm_add_epi16(tmp_1, tmp_3); + const __m128i a2 = _mm_sub_epi16(tmp_1, tmp_3); + const __m128i a3 = _mm_sub_epi16(tmp_0, tmp_2); + const __m128i b0 = _mm_add_epi16(a0, a1); + const __m128i b1 = _mm_add_epi16(a3, a2); + const __m128i b2 = _mm_sub_epi16(a3, a2); + const __m128i b3 = _mm_sub_epi16(a0, a1); + // a00 a01 a02 a03 b00 b01 b02 b03 + // a10 a11 a12 a13 b10 b11 b12 b13 + // a20 a21 a22 a23 b20 b21 b22 b23 + // a30 a31 a32 a33 b30 b31 b32 b33 + + // Transpose the two 4x4. + VP8Transpose_2_4x4_16b(&b0, &b1, &b2, &b3, &tmp_0, &tmp_1, &tmp_2, &tmp_3); + } + + // Horizontal pass and difference of weighted sums. + { + // Load all inputs. + const __m128i w_0 = _mm_loadu_si128((const __m128i*)&w[0]); + const __m128i w_8 = _mm_loadu_si128((const __m128i*)&w[8]); + + // Calculate a and b (two 4x4 at once). + const __m128i a0 = _mm_add_epi16(tmp_0, tmp_2); + const __m128i a1 = _mm_add_epi16(tmp_1, tmp_3); + const __m128i a2 = _mm_sub_epi16(tmp_1, tmp_3); + const __m128i a3 = _mm_sub_epi16(tmp_0, tmp_2); + const __m128i b0 = _mm_add_epi16(a0, a1); + const __m128i b1 = _mm_add_epi16(a3, a2); + const __m128i b2 = _mm_sub_epi16(a3, a2); + const __m128i b3 = _mm_sub_epi16(a0, a1); + + // Separate the transforms of inA and inB. + __m128i A_b0 = _mm_unpacklo_epi64(b0, b1); + __m128i A_b2 = _mm_unpacklo_epi64(b2, b3); + __m128i B_b0 = _mm_unpackhi_epi64(b0, b1); + __m128i B_b2 = _mm_unpackhi_epi64(b2, b3); + + { + const __m128i d0 = _mm_sub_epi16(zero, A_b0); + const __m128i d1 = _mm_sub_epi16(zero, A_b2); + const __m128i d2 = _mm_sub_epi16(zero, B_b0); + const __m128i d3 = _mm_sub_epi16(zero, B_b2); + A_b0 = _mm_max_epi16(A_b0, d0); // abs(v), 16b + A_b2 = _mm_max_epi16(A_b2, d1); + B_b0 = _mm_max_epi16(B_b0, d2); + B_b2 = _mm_max_epi16(B_b2, d3); + } + + // weighted sums + A_b0 = _mm_madd_epi16(A_b0, w_0); + A_b2 = _mm_madd_epi16(A_b2, w_8); + B_b0 = _mm_madd_epi16(B_b0, w_0); + B_b2 = _mm_madd_epi16(B_b2, w_8); + A_b0 = _mm_add_epi32(A_b0, A_b2); + B_b0 = _mm_add_epi32(B_b0, B_b2); + + // difference of weighted sums + A_b0 = _mm_sub_epi32(A_b0, B_b0); + _mm_storeu_si128((__m128i*)&sum[0], A_b0); + } + return sum[0] + sum[1] + sum[2] + sum[3]; +} + +static int Disto4x4_SSE2(const uint8_t* const a, const uint8_t* const b, + const uint16_t* const w) { + const int diff_sum = TTransform_SSE2(a, b, w); + return abs(diff_sum) >> 5; +} + +static int Disto16x16_SSE2(const uint8_t* const a, const uint8_t* const b, + const uint16_t* const w) { + int D = 0; + int x, y; + for (y = 0; y < 16 * BPS; y += 4 * BPS) { + for (x = 0; x < 16; x += 4) { + D += Disto4x4_SSE2(a + x + y, b + x + y, w); + } + } + return D; +} + +//------------------------------------------------------------------------------ +// Quantization +// + +static WEBP_INLINE int DoQuantizeBlock_SSE2(int16_t in[16], int16_t out[16], + const uint16_t* const sharpen, + const VP8Matrix* const mtx) { + const __m128i max_coeff_2047 = _mm_set1_epi16(MAX_LEVEL); + const __m128i zero = _mm_setzero_si128(); + __m128i coeff0, coeff8; + __m128i out0, out8; + __m128i packed_out; + + // Load all inputs. + __m128i in0 = _mm_loadu_si128((__m128i*)&in[0]); + __m128i in8 = _mm_loadu_si128((__m128i*)&in[8]); + const __m128i iq0 = _mm_loadu_si128((const __m128i*)&mtx->iq_[0]); + const __m128i iq8 = _mm_loadu_si128((const __m128i*)&mtx->iq_[8]); + const __m128i q0 = _mm_loadu_si128((const __m128i*)&mtx->q_[0]); + const __m128i q8 = _mm_loadu_si128((const __m128i*)&mtx->q_[8]); + + // extract sign(in) (0x0000 if positive, 0xffff if negative) + const __m128i sign0 = _mm_cmpgt_epi16(zero, in0); + const __m128i sign8 = _mm_cmpgt_epi16(zero, in8); + + // coeff = abs(in) = (in ^ sign) - sign + coeff0 = _mm_xor_si128(in0, sign0); + coeff8 = _mm_xor_si128(in8, sign8); + coeff0 = _mm_sub_epi16(coeff0, sign0); + coeff8 = _mm_sub_epi16(coeff8, sign8); + + // coeff = abs(in) + sharpen + if (sharpen != NULL) { + const __m128i sharpen0 = _mm_loadu_si128((const __m128i*)&sharpen[0]); + const __m128i sharpen8 = _mm_loadu_si128((const __m128i*)&sharpen[8]); + coeff0 = _mm_add_epi16(coeff0, sharpen0); + coeff8 = _mm_add_epi16(coeff8, sharpen8); + } + + // out = (coeff * iQ + B) >> QFIX + { + // doing calculations with 32b precision (QFIX=17) + // out = (coeff * iQ) + const __m128i coeff_iQ0H = _mm_mulhi_epu16(coeff0, iq0); + const __m128i coeff_iQ0L = _mm_mullo_epi16(coeff0, iq0); + const __m128i coeff_iQ8H = _mm_mulhi_epu16(coeff8, iq8); + const __m128i coeff_iQ8L = _mm_mullo_epi16(coeff8, iq8); + __m128i out_00 = _mm_unpacklo_epi16(coeff_iQ0L, coeff_iQ0H); + __m128i out_04 = _mm_unpackhi_epi16(coeff_iQ0L, coeff_iQ0H); + __m128i out_08 = _mm_unpacklo_epi16(coeff_iQ8L, coeff_iQ8H); + __m128i out_12 = _mm_unpackhi_epi16(coeff_iQ8L, coeff_iQ8H); + // out = (coeff * iQ + B) + const __m128i bias_00 = _mm_loadu_si128((const __m128i*)&mtx->bias_[0]); + const __m128i bias_04 = _mm_loadu_si128((const __m128i*)&mtx->bias_[4]); + const __m128i bias_08 = _mm_loadu_si128((const __m128i*)&mtx->bias_[8]); + const __m128i bias_12 = _mm_loadu_si128((const __m128i*)&mtx->bias_[12]); + out_00 = _mm_add_epi32(out_00, bias_00); + out_04 = _mm_add_epi32(out_04, bias_04); + out_08 = _mm_add_epi32(out_08, bias_08); + out_12 = _mm_add_epi32(out_12, bias_12); + // out = QUANTDIV(coeff, iQ, B, QFIX) + out_00 = _mm_srai_epi32(out_00, QFIX); + out_04 = _mm_srai_epi32(out_04, QFIX); + out_08 = _mm_srai_epi32(out_08, QFIX); + out_12 = _mm_srai_epi32(out_12, QFIX); + + // pack result as 16b + out0 = _mm_packs_epi32(out_00, out_04); + out8 = _mm_packs_epi32(out_08, out_12); + + // if (coeff > 2047) coeff = 2047 + out0 = _mm_min_epi16(out0, max_coeff_2047); + out8 = _mm_min_epi16(out8, max_coeff_2047); + } + + // get sign back (if (sign[j]) out_n = -out_n) + out0 = _mm_xor_si128(out0, sign0); + out8 = _mm_xor_si128(out8, sign8); + out0 = _mm_sub_epi16(out0, sign0); + out8 = _mm_sub_epi16(out8, sign8); + + // in = out * Q + in0 = _mm_mullo_epi16(out0, q0); + in8 = _mm_mullo_epi16(out8, q8); + + _mm_storeu_si128((__m128i*)&in[0], in0); + _mm_storeu_si128((__m128i*)&in[8], in8); + + // zigzag the output before storing it. + // + // The zigzag pattern can almost be reproduced with a small sequence of + // shuffles. After it, we only need to swap the 7th (ending up in third + // position instead of twelfth) and 8th values. + { + __m128i outZ0, outZ8; + outZ0 = _mm_shufflehi_epi16(out0, _MM_SHUFFLE(2, 1, 3, 0)); + outZ0 = _mm_shuffle_epi32 (outZ0, _MM_SHUFFLE(3, 1, 2, 0)); + outZ0 = _mm_shufflehi_epi16(outZ0, _MM_SHUFFLE(3, 1, 0, 2)); + outZ8 = _mm_shufflelo_epi16(out8, _MM_SHUFFLE(3, 0, 2, 1)); + outZ8 = _mm_shuffle_epi32 (outZ8, _MM_SHUFFLE(3, 1, 2, 0)); + outZ8 = _mm_shufflelo_epi16(outZ8, _MM_SHUFFLE(1, 3, 2, 0)); + _mm_storeu_si128((__m128i*)&out[0], outZ0); + _mm_storeu_si128((__m128i*)&out[8], outZ8); + packed_out = _mm_packs_epi16(outZ0, outZ8); + } + { + const int16_t outZ_12 = out[12]; + const int16_t outZ_3 = out[3]; + out[3] = outZ_12; + out[12] = outZ_3; + } + + // detect if all 'out' values are zeroes or not + return (_mm_movemask_epi8(_mm_cmpeq_epi8(packed_out, zero)) != 0xffff); +} + +static int QuantizeBlock_SSE2(int16_t in[16], int16_t out[16], + const VP8Matrix* const mtx) { + return DoQuantizeBlock_SSE2(in, out, &mtx->sharpen_[0], mtx); +} + +static int QuantizeBlockWHT_SSE2(int16_t in[16], int16_t out[16], + const VP8Matrix* const mtx) { + return DoQuantizeBlock_SSE2(in, out, NULL, mtx); +} + +static int Quantize2Blocks_SSE2(int16_t in[32], int16_t out[32], + const VP8Matrix* const mtx) { + int nz; + const uint16_t* const sharpen = &mtx->sharpen_[0]; + nz = DoQuantizeBlock_SSE2(in + 0 * 16, out + 0 * 16, sharpen, mtx) << 0; + nz |= DoQuantizeBlock_SSE2(in + 1 * 16, out + 1 * 16, sharpen, mtx) << 1; + return nz; +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8EncDspInitSSE2(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInitSSE2(void) { + VP8CollectHistogram = CollectHistogram_SSE2; + VP8EncPredLuma16 = Intra16Preds_SSE2; + VP8EncPredChroma8 = IntraChromaPreds_SSE2; + VP8EncPredLuma4 = Intra4Preds_SSE2; + VP8EncQuantizeBlock = QuantizeBlock_SSE2; + VP8EncQuantize2Blocks = Quantize2Blocks_SSE2; + VP8EncQuantizeBlockWHT = QuantizeBlockWHT_SSE2; + VP8ITransform = ITransform_SSE2; + VP8FTransform = FTransform_SSE2; + VP8FTransform2 = FTransform2_SSE2; + VP8FTransformWHT = FTransformWHT_SSE2; + VP8SSE16x16 = SSE16x16_SSE2; + VP8SSE16x8 = SSE16x8_SSE2; + VP8SSE8x8 = SSE8x8_SSE2; + VP8SSE4x4 = SSE4x4_SSE2; + VP8TDisto4x4 = Disto4x4_SSE2; + VP8TDisto16x16 = Disto16x16_SSE2; + VP8Mean16x4 = Mean16x4_SSE2; +} + +#else // !WEBP_USE_SSE2 + +WEBP_DSP_INIT_STUB(VP8EncDspInitSSE2) + +#endif // WEBP_USE_SSE2 diff --git a/ProductApp/Pods/libwebp/src/dsp/enc_sse41.c b/ProductApp/Pods/libwebp/src/dsp/enc_sse41.c new file mode 100644 index 0000000..924035a --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/enc_sse41.c @@ -0,0 +1,339 @@ +// Copyright 2015 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// SSE4 version of some encoding functions. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_SSE41) +#include +#include // for abs() + +#include "src/dsp/common_sse2.h" +#include "src/enc/vp8i_enc.h" + +//------------------------------------------------------------------------------ +// Compute susceptibility based on DCT-coeff histograms. + +static void CollectHistogram_SSE41(const uint8_t* ref, const uint8_t* pred, + int start_block, int end_block, + VP8Histogram* const histo) { + const __m128i max_coeff_thresh = _mm_set1_epi16(MAX_COEFF_THRESH); + int j; + int distribution[MAX_COEFF_THRESH + 1] = { 0 }; + for (j = start_block; j < end_block; ++j) { + int16_t out[16]; + int k; + + VP8FTransform(ref + VP8DspScan[j], pred + VP8DspScan[j], out); + + // Convert coefficients to bin (within out[]). + { + // Load. + const __m128i out0 = _mm_loadu_si128((__m128i*)&out[0]); + const __m128i out1 = _mm_loadu_si128((__m128i*)&out[8]); + // v = abs(out) >> 3 + const __m128i abs0 = _mm_abs_epi16(out0); + const __m128i abs1 = _mm_abs_epi16(out1); + const __m128i v0 = _mm_srai_epi16(abs0, 3); + const __m128i v1 = _mm_srai_epi16(abs1, 3); + // bin = min(v, MAX_COEFF_THRESH) + const __m128i bin0 = _mm_min_epi16(v0, max_coeff_thresh); + const __m128i bin1 = _mm_min_epi16(v1, max_coeff_thresh); + // Store. + _mm_storeu_si128((__m128i*)&out[0], bin0); + _mm_storeu_si128((__m128i*)&out[8], bin1); + } + + // Convert coefficients to bin. + for (k = 0; k < 16; ++k) { + ++distribution[out[k]]; + } + } + VP8SetHistogramData(distribution, histo); +} + +//------------------------------------------------------------------------------ +// Texture distortion +// +// We try to match the spectral content (weighted) between source and +// reconstructed samples. + +// Hadamard transform +// Returns the weighted sum of the absolute value of transformed coefficients. +// w[] contains a row-major 4 by 4 symmetric matrix. +static int TTransform_SSE41(const uint8_t* inA, const uint8_t* inB, + const uint16_t* const w) { + int32_t sum[4]; + __m128i tmp_0, tmp_1, tmp_2, tmp_3; + + // Load and combine inputs. + { + const __m128i inA_0 = _mm_loadu_si128((const __m128i*)&inA[BPS * 0]); + const __m128i inA_1 = _mm_loadu_si128((const __m128i*)&inA[BPS * 1]); + const __m128i inA_2 = _mm_loadu_si128((const __m128i*)&inA[BPS * 2]); + // In SSE4.1, with gcc 4.8 at least (maybe other versions), + // _mm_loadu_si128 is faster than _mm_loadl_epi64. But for the last lump + // of inA and inB, _mm_loadl_epi64 is still used not to have an out of + // bound read. + const __m128i inA_3 = _mm_loadl_epi64((const __m128i*)&inA[BPS * 3]); + const __m128i inB_0 = _mm_loadu_si128((const __m128i*)&inB[BPS * 0]); + const __m128i inB_1 = _mm_loadu_si128((const __m128i*)&inB[BPS * 1]); + const __m128i inB_2 = _mm_loadu_si128((const __m128i*)&inB[BPS * 2]); + const __m128i inB_3 = _mm_loadl_epi64((const __m128i*)&inB[BPS * 3]); + + // Combine inA and inB (we'll do two transforms in parallel). + const __m128i inAB_0 = _mm_unpacklo_epi32(inA_0, inB_0); + const __m128i inAB_1 = _mm_unpacklo_epi32(inA_1, inB_1); + const __m128i inAB_2 = _mm_unpacklo_epi32(inA_2, inB_2); + const __m128i inAB_3 = _mm_unpacklo_epi32(inA_3, inB_3); + tmp_0 = _mm_cvtepu8_epi16(inAB_0); + tmp_1 = _mm_cvtepu8_epi16(inAB_1); + tmp_2 = _mm_cvtepu8_epi16(inAB_2); + tmp_3 = _mm_cvtepu8_epi16(inAB_3); + // a00 a01 a02 a03 b00 b01 b02 b03 + // a10 a11 a12 a13 b10 b11 b12 b13 + // a20 a21 a22 a23 b20 b21 b22 b23 + // a30 a31 a32 a33 b30 b31 b32 b33 + } + + // Vertical pass first to avoid a transpose (vertical and horizontal passes + // are commutative because w/kWeightY is symmetric) and subsequent transpose. + { + // Calculate a and b (two 4x4 at once). + const __m128i a0 = _mm_add_epi16(tmp_0, tmp_2); + const __m128i a1 = _mm_add_epi16(tmp_1, tmp_3); + const __m128i a2 = _mm_sub_epi16(tmp_1, tmp_3); + const __m128i a3 = _mm_sub_epi16(tmp_0, tmp_2); + const __m128i b0 = _mm_add_epi16(a0, a1); + const __m128i b1 = _mm_add_epi16(a3, a2); + const __m128i b2 = _mm_sub_epi16(a3, a2); + const __m128i b3 = _mm_sub_epi16(a0, a1); + // a00 a01 a02 a03 b00 b01 b02 b03 + // a10 a11 a12 a13 b10 b11 b12 b13 + // a20 a21 a22 a23 b20 b21 b22 b23 + // a30 a31 a32 a33 b30 b31 b32 b33 + + // Transpose the two 4x4. + VP8Transpose_2_4x4_16b(&b0, &b1, &b2, &b3, &tmp_0, &tmp_1, &tmp_2, &tmp_3); + } + + // Horizontal pass and difference of weighted sums. + { + // Load all inputs. + const __m128i w_0 = _mm_loadu_si128((const __m128i*)&w[0]); + const __m128i w_8 = _mm_loadu_si128((const __m128i*)&w[8]); + + // Calculate a and b (two 4x4 at once). + const __m128i a0 = _mm_add_epi16(tmp_0, tmp_2); + const __m128i a1 = _mm_add_epi16(tmp_1, tmp_3); + const __m128i a2 = _mm_sub_epi16(tmp_1, tmp_3); + const __m128i a3 = _mm_sub_epi16(tmp_0, tmp_2); + const __m128i b0 = _mm_add_epi16(a0, a1); + const __m128i b1 = _mm_add_epi16(a3, a2); + const __m128i b2 = _mm_sub_epi16(a3, a2); + const __m128i b3 = _mm_sub_epi16(a0, a1); + + // Separate the transforms of inA and inB. + __m128i A_b0 = _mm_unpacklo_epi64(b0, b1); + __m128i A_b2 = _mm_unpacklo_epi64(b2, b3); + __m128i B_b0 = _mm_unpackhi_epi64(b0, b1); + __m128i B_b2 = _mm_unpackhi_epi64(b2, b3); + + A_b0 = _mm_abs_epi16(A_b0); + A_b2 = _mm_abs_epi16(A_b2); + B_b0 = _mm_abs_epi16(B_b0); + B_b2 = _mm_abs_epi16(B_b2); + + // weighted sums + A_b0 = _mm_madd_epi16(A_b0, w_0); + A_b2 = _mm_madd_epi16(A_b2, w_8); + B_b0 = _mm_madd_epi16(B_b0, w_0); + B_b2 = _mm_madd_epi16(B_b2, w_8); + A_b0 = _mm_add_epi32(A_b0, A_b2); + B_b0 = _mm_add_epi32(B_b0, B_b2); + + // difference of weighted sums + A_b2 = _mm_sub_epi32(A_b0, B_b0); + _mm_storeu_si128((__m128i*)&sum[0], A_b2); + } + return sum[0] + sum[1] + sum[2] + sum[3]; +} + +static int Disto4x4_SSE41(const uint8_t* const a, const uint8_t* const b, + const uint16_t* const w) { + const int diff_sum = TTransform_SSE41(a, b, w); + return abs(diff_sum) >> 5; +} + +static int Disto16x16_SSE41(const uint8_t* const a, const uint8_t* const b, + const uint16_t* const w) { + int D = 0; + int x, y; + for (y = 0; y < 16 * BPS; y += 4 * BPS) { + for (x = 0; x < 16; x += 4) { + D += Disto4x4_SSE41(a + x + y, b + x + y, w); + } + } + return D; +} + +//------------------------------------------------------------------------------ +// Quantization +// + +// Generates a pshufb constant for shuffling 16b words. +#define PSHUFB_CST(A,B,C,D,E,F,G,H) \ + _mm_set_epi8(2 * (H) + 1, 2 * (H) + 0, 2 * (G) + 1, 2 * (G) + 0, \ + 2 * (F) + 1, 2 * (F) + 0, 2 * (E) + 1, 2 * (E) + 0, \ + 2 * (D) + 1, 2 * (D) + 0, 2 * (C) + 1, 2 * (C) + 0, \ + 2 * (B) + 1, 2 * (B) + 0, 2 * (A) + 1, 2 * (A) + 0) + +static WEBP_INLINE int DoQuantizeBlock_SSE41(int16_t in[16], int16_t out[16], + const uint16_t* const sharpen, + const VP8Matrix* const mtx) { + const __m128i max_coeff_2047 = _mm_set1_epi16(MAX_LEVEL); + const __m128i zero = _mm_setzero_si128(); + __m128i out0, out8; + __m128i packed_out; + + // Load all inputs. + __m128i in0 = _mm_loadu_si128((__m128i*)&in[0]); + __m128i in8 = _mm_loadu_si128((__m128i*)&in[8]); + const __m128i iq0 = _mm_loadu_si128((const __m128i*)&mtx->iq_[0]); + const __m128i iq8 = _mm_loadu_si128((const __m128i*)&mtx->iq_[8]); + const __m128i q0 = _mm_loadu_si128((const __m128i*)&mtx->q_[0]); + const __m128i q8 = _mm_loadu_si128((const __m128i*)&mtx->q_[8]); + + // coeff = abs(in) + __m128i coeff0 = _mm_abs_epi16(in0); + __m128i coeff8 = _mm_abs_epi16(in8); + + // coeff = abs(in) + sharpen + if (sharpen != NULL) { + const __m128i sharpen0 = _mm_loadu_si128((const __m128i*)&sharpen[0]); + const __m128i sharpen8 = _mm_loadu_si128((const __m128i*)&sharpen[8]); + coeff0 = _mm_add_epi16(coeff0, sharpen0); + coeff8 = _mm_add_epi16(coeff8, sharpen8); + } + + // out = (coeff * iQ + B) >> QFIX + { + // doing calculations with 32b precision (QFIX=17) + // out = (coeff * iQ) + const __m128i coeff_iQ0H = _mm_mulhi_epu16(coeff0, iq0); + const __m128i coeff_iQ0L = _mm_mullo_epi16(coeff0, iq0); + const __m128i coeff_iQ8H = _mm_mulhi_epu16(coeff8, iq8); + const __m128i coeff_iQ8L = _mm_mullo_epi16(coeff8, iq8); + __m128i out_00 = _mm_unpacklo_epi16(coeff_iQ0L, coeff_iQ0H); + __m128i out_04 = _mm_unpackhi_epi16(coeff_iQ0L, coeff_iQ0H); + __m128i out_08 = _mm_unpacklo_epi16(coeff_iQ8L, coeff_iQ8H); + __m128i out_12 = _mm_unpackhi_epi16(coeff_iQ8L, coeff_iQ8H); + // out = (coeff * iQ + B) + const __m128i bias_00 = _mm_loadu_si128((const __m128i*)&mtx->bias_[0]); + const __m128i bias_04 = _mm_loadu_si128((const __m128i*)&mtx->bias_[4]); + const __m128i bias_08 = _mm_loadu_si128((const __m128i*)&mtx->bias_[8]); + const __m128i bias_12 = _mm_loadu_si128((const __m128i*)&mtx->bias_[12]); + out_00 = _mm_add_epi32(out_00, bias_00); + out_04 = _mm_add_epi32(out_04, bias_04); + out_08 = _mm_add_epi32(out_08, bias_08); + out_12 = _mm_add_epi32(out_12, bias_12); + // out = QUANTDIV(coeff, iQ, B, QFIX) + out_00 = _mm_srai_epi32(out_00, QFIX); + out_04 = _mm_srai_epi32(out_04, QFIX); + out_08 = _mm_srai_epi32(out_08, QFIX); + out_12 = _mm_srai_epi32(out_12, QFIX); + + // pack result as 16b + out0 = _mm_packs_epi32(out_00, out_04); + out8 = _mm_packs_epi32(out_08, out_12); + + // if (coeff > 2047) coeff = 2047 + out0 = _mm_min_epi16(out0, max_coeff_2047); + out8 = _mm_min_epi16(out8, max_coeff_2047); + } + + // put sign back + out0 = _mm_sign_epi16(out0, in0); + out8 = _mm_sign_epi16(out8, in8); + + // in = out * Q + in0 = _mm_mullo_epi16(out0, q0); + in8 = _mm_mullo_epi16(out8, q8); + + _mm_storeu_si128((__m128i*)&in[0], in0); + _mm_storeu_si128((__m128i*)&in[8], in8); + + // zigzag the output before storing it. The re-ordering is: + // 0 1 2 3 4 5 6 7 | 8 9 10 11 12 13 14 15 + // -> 0 1 4[8]5 2 3 6 | 9 12 13 10 [7]11 14 15 + // There's only two misplaced entries ([8] and [7]) that are crossing the + // reg's boundaries. + // We use pshufb instead of pshuflo/pshufhi. + { + const __m128i kCst_lo = PSHUFB_CST(0, 1, 4, -1, 5, 2, 3, 6); + const __m128i kCst_7 = PSHUFB_CST(-1, -1, -1, -1, 7, -1, -1, -1); + const __m128i tmp_lo = _mm_shuffle_epi8(out0, kCst_lo); + const __m128i tmp_7 = _mm_shuffle_epi8(out0, kCst_7); // extract #7 + const __m128i kCst_hi = PSHUFB_CST(1, 4, 5, 2, -1, 3, 6, 7); + const __m128i kCst_8 = PSHUFB_CST(-1, -1, -1, 0, -1, -1, -1, -1); + const __m128i tmp_hi = _mm_shuffle_epi8(out8, kCst_hi); + const __m128i tmp_8 = _mm_shuffle_epi8(out8, kCst_8); // extract #8 + const __m128i out_z0 = _mm_or_si128(tmp_lo, tmp_8); + const __m128i out_z8 = _mm_or_si128(tmp_hi, tmp_7); + _mm_storeu_si128((__m128i*)&out[0], out_z0); + _mm_storeu_si128((__m128i*)&out[8], out_z8); + packed_out = _mm_packs_epi16(out_z0, out_z8); + } + + // detect if all 'out' values are zeroes or not + return (_mm_movemask_epi8(_mm_cmpeq_epi8(packed_out, zero)) != 0xffff); +} + +#undef PSHUFB_CST + +static int QuantizeBlock_SSE41(int16_t in[16], int16_t out[16], + const VP8Matrix* const mtx) { + return DoQuantizeBlock_SSE41(in, out, &mtx->sharpen_[0], mtx); +} + +static int QuantizeBlockWHT_SSE41(int16_t in[16], int16_t out[16], + const VP8Matrix* const mtx) { + return DoQuantizeBlock_SSE41(in, out, NULL, mtx); +} + +static int Quantize2Blocks_SSE41(int16_t in[32], int16_t out[32], + const VP8Matrix* const mtx) { + int nz; + const uint16_t* const sharpen = &mtx->sharpen_[0]; + nz = DoQuantizeBlock_SSE41(in + 0 * 16, out + 0 * 16, sharpen, mtx) << 0; + nz |= DoQuantizeBlock_SSE41(in + 1 * 16, out + 1 * 16, sharpen, mtx) << 1; + return nz; +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8EncDspInitSSE41(void); +WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInitSSE41(void) { + VP8CollectHistogram = CollectHistogram_SSE41; + VP8EncQuantizeBlock = QuantizeBlock_SSE41; + VP8EncQuantize2Blocks = Quantize2Blocks_SSE41; + VP8EncQuantizeBlockWHT = QuantizeBlockWHT_SSE41; + VP8TDisto4x4 = Disto4x4_SSE41; + VP8TDisto16x16 = Disto16x16_SSE41; +} + +#else // !WEBP_USE_SSE41 + +WEBP_DSP_INIT_STUB(VP8EncDspInitSSE41) + +#endif // WEBP_USE_SSE41 diff --git a/ProductApp/Pods/libwebp/src/dsp/filters.c b/ProductApp/Pods/libwebp/src/dsp/filters.c new file mode 100644 index 0000000..85eee50 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/filters.c @@ -0,0 +1,288 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Spatial prediction using various filters +// +// Author: Urvang (urvang@google.com) + +#include "src/dsp/dsp.h" +#include +#include +#include + +//------------------------------------------------------------------------------ +// Helpful macro. + +# define SANITY_CHECK(in, out) \ + assert((in) != NULL); \ + assert((out) != NULL); \ + assert(width > 0); \ + assert(height > 0); \ + assert(stride >= width); \ + assert(row >= 0 && num_rows > 0 && row + num_rows <= height); \ + (void)height; // Silence unused warning. + +#if !WEBP_NEON_OMIT_C_CODE +static WEBP_INLINE void PredictLine_C(const uint8_t* src, const uint8_t* pred, + uint8_t* dst, int length, int inverse) { + int i; + if (inverse) { + for (i = 0; i < length; ++i) dst[i] = (uint8_t)(src[i] + pred[i]); + } else { + for (i = 0; i < length; ++i) dst[i] = (uint8_t)(src[i] - pred[i]); + } +} + +//------------------------------------------------------------------------------ +// Horizontal filter. + +static WEBP_INLINE void DoHorizontalFilter_C(const uint8_t* in, + int width, int height, int stride, + int row, int num_rows, + int inverse, uint8_t* out) { + const uint8_t* preds; + const size_t start_offset = row * stride; + const int last_row = row + num_rows; + SANITY_CHECK(in, out); + in += start_offset; + out += start_offset; + preds = inverse ? out : in; + + if (row == 0) { + // Leftmost pixel is the same as input for topmost scanline. + out[0] = in[0]; + PredictLine_C(in + 1, preds, out + 1, width - 1, inverse); + row = 1; + preds += stride; + in += stride; + out += stride; + } + + // Filter line-by-line. + while (row < last_row) { + // Leftmost pixel is predicted from above. + PredictLine_C(in, preds - stride, out, 1, inverse); + PredictLine_C(in + 1, preds, out + 1, width - 1, inverse); + ++row; + preds += stride; + in += stride; + out += stride; + } +} + +//------------------------------------------------------------------------------ +// Vertical filter. + +static WEBP_INLINE void DoVerticalFilter_C(const uint8_t* in, + int width, int height, int stride, + int row, int num_rows, + int inverse, uint8_t* out) { + const uint8_t* preds; + const size_t start_offset = row * stride; + const int last_row = row + num_rows; + SANITY_CHECK(in, out); + in += start_offset; + out += start_offset; + preds = inverse ? out : in; + + if (row == 0) { + // Very first top-left pixel is copied. + out[0] = in[0]; + // Rest of top scan-line is left-predicted. + PredictLine_C(in + 1, preds, out + 1, width - 1, inverse); + row = 1; + in += stride; + out += stride; + } else { + // We are starting from in-between. Make sure 'preds' points to prev row. + preds -= stride; + } + + // Filter line-by-line. + while (row < last_row) { + PredictLine_C(in, preds, out, width, inverse); + ++row; + preds += stride; + in += stride; + out += stride; + } +} +#endif // !WEBP_NEON_OMIT_C_CODE + +//------------------------------------------------------------------------------ +// Gradient filter. + +static WEBP_INLINE int GradientPredictor_C(uint8_t a, uint8_t b, uint8_t c) { + const int g = a + b - c; + return ((g & ~0xff) == 0) ? g : (g < 0) ? 0 : 255; // clip to 8bit +} + +#if !WEBP_NEON_OMIT_C_CODE +static WEBP_INLINE void DoGradientFilter_C(const uint8_t* in, + int width, int height, int stride, + int row, int num_rows, + int inverse, uint8_t* out) { + const uint8_t* preds; + const size_t start_offset = row * stride; + const int last_row = row + num_rows; + SANITY_CHECK(in, out); + in += start_offset; + out += start_offset; + preds = inverse ? out : in; + + // left prediction for top scan-line + if (row == 0) { + out[0] = in[0]; + PredictLine_C(in + 1, preds, out + 1, width - 1, inverse); + row = 1; + preds += stride; + in += stride; + out += stride; + } + + // Filter line-by-line. + while (row < last_row) { + int w; + // leftmost pixel: predict from above. + PredictLine_C(in, preds - stride, out, 1, inverse); + for (w = 1; w < width; ++w) { + const int pred = GradientPredictor_C(preds[w - 1], + preds[w - stride], + preds[w - stride - 1]); + out[w] = (uint8_t)(in[w] + (inverse ? pred : -pred)); + } + ++row; + preds += stride; + in += stride; + out += stride; + } +} +#endif // !WEBP_NEON_OMIT_C_CODE + +#undef SANITY_CHECK + +//------------------------------------------------------------------------------ + +#if !WEBP_NEON_OMIT_C_CODE +static void HorizontalFilter_C(const uint8_t* data, int width, int height, + int stride, uint8_t* filtered_data) { + DoHorizontalFilter_C(data, width, height, stride, 0, height, 0, + filtered_data); +} + +static void VerticalFilter_C(const uint8_t* data, int width, int height, + int stride, uint8_t* filtered_data) { + DoVerticalFilter_C(data, width, height, stride, 0, height, 0, filtered_data); +} + +static void GradientFilter_C(const uint8_t* data, int width, int height, + int stride, uint8_t* filtered_data) { + DoGradientFilter_C(data, width, height, stride, 0, height, 0, filtered_data); +} +#endif // !WEBP_NEON_OMIT_C_CODE + +//------------------------------------------------------------------------------ + +static void HorizontalUnfilter_C(const uint8_t* prev, const uint8_t* in, + uint8_t* out, int width) { + uint8_t pred = (prev == NULL) ? 0 : prev[0]; + int i; + for (i = 0; i < width; ++i) { + out[i] = (uint8_t)(pred + in[i]); + pred = out[i]; + } +} + +#if !WEBP_NEON_OMIT_C_CODE +static void VerticalUnfilter_C(const uint8_t* prev, const uint8_t* in, + uint8_t* out, int width) { + if (prev == NULL) { + HorizontalUnfilter_C(NULL, in, out, width); + } else { + int i; + for (i = 0; i < width; ++i) out[i] = (uint8_t)(prev[i] + in[i]); + } +} +#endif // !WEBP_NEON_OMIT_C_CODE + +static void GradientUnfilter_C(const uint8_t* prev, const uint8_t* in, + uint8_t* out, int width) { + if (prev == NULL) { + HorizontalUnfilter_C(NULL, in, out, width); + } else { + uint8_t top = prev[0], top_left = top, left = top; + int i; + for (i = 0; i < width; ++i) { + top = prev[i]; // need to read this first, in case prev==out + left = (uint8_t)(in[i] + GradientPredictor_C(left, top, top_left)); + top_left = top; + out[i] = left; + } + } +} + +//------------------------------------------------------------------------------ +// Init function + +WebPFilterFunc WebPFilters[WEBP_FILTER_LAST]; +WebPUnfilterFunc WebPUnfilters[WEBP_FILTER_LAST]; + +extern VP8CPUInfo VP8GetCPUInfo; +extern void VP8FiltersInitMIPSdspR2(void); +extern void VP8FiltersInitMSA(void); +extern void VP8FiltersInitNEON(void); +extern void VP8FiltersInitSSE2(void); + +WEBP_DSP_INIT_FUNC(VP8FiltersInit) { + WebPUnfilters[WEBP_FILTER_NONE] = NULL; +#if !WEBP_NEON_OMIT_C_CODE + WebPUnfilters[WEBP_FILTER_HORIZONTAL] = HorizontalUnfilter_C; + WebPUnfilters[WEBP_FILTER_VERTICAL] = VerticalUnfilter_C; +#endif + WebPUnfilters[WEBP_FILTER_GRADIENT] = GradientUnfilter_C; + + WebPFilters[WEBP_FILTER_NONE] = NULL; +#if !WEBP_NEON_OMIT_C_CODE + WebPFilters[WEBP_FILTER_HORIZONTAL] = HorizontalFilter_C; + WebPFilters[WEBP_FILTER_VERTICAL] = VerticalFilter_C; + WebPFilters[WEBP_FILTER_GRADIENT] = GradientFilter_C; +#endif + + if (VP8GetCPUInfo != NULL) { +#if defined(WEBP_HAVE_SSE2) + if (VP8GetCPUInfo(kSSE2)) { + VP8FiltersInitSSE2(); + } +#endif +#if defined(WEBP_USE_MIPS_DSP_R2) + if (VP8GetCPUInfo(kMIPSdspR2)) { + VP8FiltersInitMIPSdspR2(); + } +#endif +#if defined(WEBP_USE_MSA) + if (VP8GetCPUInfo(kMSA)) { + VP8FiltersInitMSA(); + } +#endif + } + +#if defined(WEBP_HAVE_NEON) + if (WEBP_NEON_OMIT_C_CODE || + (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kNEON))) { + VP8FiltersInitNEON(); + } +#endif + + assert(WebPUnfilters[WEBP_FILTER_HORIZONTAL] != NULL); + assert(WebPUnfilters[WEBP_FILTER_VERTICAL] != NULL); + assert(WebPUnfilters[WEBP_FILTER_GRADIENT] != NULL); + assert(WebPFilters[WEBP_FILTER_HORIZONTAL] != NULL); + assert(WebPFilters[WEBP_FILTER_VERTICAL] != NULL); + assert(WebPFilters[WEBP_FILTER_GRADIENT] != NULL); +} diff --git a/ProductApp/Pods/libwebp/src/dsp/filters_mips_dsp_r2.c b/ProductApp/Pods/libwebp/src/dsp/filters_mips_dsp_r2.c new file mode 100644 index 0000000..9382b12 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/filters_mips_dsp_r2.c @@ -0,0 +1,402 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Spatial prediction using various filters +// +// Author(s): Branimir Vasic (branimir.vasic@imgtec.com) +// Djordje Pesut (djordje.pesut@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MIPS_DSP_R2) + +#include "src/dsp/dsp.h" +#include +#include +#include + +//------------------------------------------------------------------------------ +// Helpful macro. + +# define SANITY_CHECK(in, out) \ + assert(in != NULL); \ + assert(out != NULL); \ + assert(width > 0); \ + assert(height > 0); \ + assert(stride >= width); \ + assert(row >= 0 && num_rows > 0 && row + num_rows <= height); \ + (void)height; // Silence unused warning. + +#define DO_PREDICT_LINE(SRC, DST, LENGTH, INVERSE) do { \ + const uint8_t* psrc = (uint8_t*)(SRC); \ + uint8_t* pdst = (uint8_t*)(DST); \ + const int ilength = (int)(LENGTH); \ + int temp0, temp1, temp2, temp3, temp4, temp5, temp6; \ + __asm__ volatile ( \ + ".set push \n\t" \ + ".set noreorder \n\t" \ + "srl %[temp0], %[length], 2 \n\t" \ + "beqz %[temp0], 4f \n\t" \ + " andi %[temp6], %[length], 3 \n\t" \ + ".if " #INVERSE " \n\t" \ + "1: \n\t" \ + "lbu %[temp1], -1(%[dst]) \n\t" \ + "lbu %[temp2], 0(%[src]) \n\t" \ + "lbu %[temp3], 1(%[src]) \n\t" \ + "lbu %[temp4], 2(%[src]) \n\t" \ + "lbu %[temp5], 3(%[src]) \n\t" \ + "addu %[temp1], %[temp1], %[temp2] \n\t" \ + "addu %[temp2], %[temp1], %[temp3] \n\t" \ + "addu %[temp3], %[temp2], %[temp4] \n\t" \ + "addu %[temp4], %[temp3], %[temp5] \n\t" \ + "sb %[temp1], 0(%[dst]) \n\t" \ + "sb %[temp2], 1(%[dst]) \n\t" \ + "sb %[temp3], 2(%[dst]) \n\t" \ + "sb %[temp4], 3(%[dst]) \n\t" \ + "addiu %[src], %[src], 4 \n\t" \ + "addiu %[temp0], %[temp0], -1 \n\t" \ + "bnez %[temp0], 1b \n\t" \ + " addiu %[dst], %[dst], 4 \n\t" \ + ".else \n\t" \ + "1: \n\t" \ + "ulw %[temp1], -1(%[src]) \n\t" \ + "ulw %[temp2], 0(%[src]) \n\t" \ + "addiu %[src], %[src], 4 \n\t" \ + "addiu %[temp0], %[temp0], -1 \n\t" \ + "subu.qb %[temp3], %[temp2], %[temp1] \n\t" \ + "usw %[temp3], 0(%[dst]) \n\t" \ + "bnez %[temp0], 1b \n\t" \ + " addiu %[dst], %[dst], 4 \n\t" \ + ".endif \n\t" \ + "4: \n\t" \ + "beqz %[temp6], 3f \n\t" \ + " nop \n\t" \ + "2: \n\t" \ + "lbu %[temp2], 0(%[src]) \n\t" \ + ".if " #INVERSE " \n\t" \ + "lbu %[temp1], -1(%[dst]) \n\t" \ + "addu %[temp3], %[temp1], %[temp2] \n\t" \ + ".else \n\t" \ + "lbu %[temp1], -1(%[src]) \n\t" \ + "subu %[temp3], %[temp1], %[temp2] \n\t" \ + ".endif \n\t" \ + "addiu %[src], %[src], 1 \n\t" \ + "sb %[temp3], 0(%[dst]) \n\t" \ + "addiu %[temp6], %[temp6], -1 \n\t" \ + "bnez %[temp6], 2b \n\t" \ + " addiu %[dst], %[dst], 1 \n\t" \ + "3: \n\t" \ + ".set pop \n\t" \ + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), \ + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), \ + [temp6]"=&r"(temp6), [dst]"+&r"(pdst), [src]"+&r"(psrc) \ + : [length]"r"(ilength) \ + : "memory" \ + ); \ + } while (0) + +static WEBP_INLINE void PredictLine_MIPSdspR2(const uint8_t* src, uint8_t* dst, + int length) { + DO_PREDICT_LINE(src, dst, length, 0); +} + +#define DO_PREDICT_LINE_VERTICAL(SRC, PRED, DST, LENGTH, INVERSE) do { \ + const uint8_t* psrc = (uint8_t*)(SRC); \ + const uint8_t* ppred = (uint8_t*)(PRED); \ + uint8_t* pdst = (uint8_t*)(DST); \ + const int ilength = (int)(LENGTH); \ + int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; \ + __asm__ volatile ( \ + ".set push \n\t" \ + ".set noreorder \n\t" \ + "srl %[temp0], %[length], 0x3 \n\t" \ + "beqz %[temp0], 4f \n\t" \ + " andi %[temp7], %[length], 0x7 \n\t" \ + "1: \n\t" \ + "ulw %[temp1], 0(%[src]) \n\t" \ + "ulw %[temp2], 0(%[pred]) \n\t" \ + "ulw %[temp3], 4(%[src]) \n\t" \ + "ulw %[temp4], 4(%[pred]) \n\t" \ + "addiu %[src], %[src], 8 \n\t" \ + ".if " #INVERSE " \n\t" \ + "addu.qb %[temp5], %[temp1], %[temp2] \n\t" \ + "addu.qb %[temp6], %[temp3], %[temp4] \n\t" \ + ".else \n\t" \ + "subu.qb %[temp5], %[temp1], %[temp2] \n\t" \ + "subu.qb %[temp6], %[temp3], %[temp4] \n\t" \ + ".endif \n\t" \ + "addiu %[pred], %[pred], 8 \n\t" \ + "usw %[temp5], 0(%[dst]) \n\t" \ + "usw %[temp6], 4(%[dst]) \n\t" \ + "addiu %[temp0], %[temp0], -1 \n\t" \ + "bnez %[temp0], 1b \n\t" \ + " addiu %[dst], %[dst], 8 \n\t" \ + "4: \n\t" \ + "beqz %[temp7], 3f \n\t" \ + " nop \n\t" \ + "2: \n\t" \ + "lbu %[temp1], 0(%[src]) \n\t" \ + "lbu %[temp2], 0(%[pred]) \n\t" \ + "addiu %[src], %[src], 1 \n\t" \ + "addiu %[pred], %[pred], 1 \n\t" \ + ".if " #INVERSE " \n\t" \ + "addu %[temp3], %[temp1], %[temp2] \n\t" \ + ".else \n\t" \ + "subu %[temp3], %[temp1], %[temp2] \n\t" \ + ".endif \n\t" \ + "sb %[temp3], 0(%[dst]) \n\t" \ + "addiu %[temp7], %[temp7], -1 \n\t" \ + "bnez %[temp7], 2b \n\t" \ + " addiu %[dst], %[dst], 1 \n\t" \ + "3: \n\t" \ + ".set pop \n\t" \ + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), \ + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), \ + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [pred]"+&r"(ppred), \ + [dst]"+&r"(pdst), [src]"+&r"(psrc) \ + : [length]"r"(ilength) \ + : "memory" \ + ); \ + } while (0) + +#define PREDICT_LINE_ONE_PASS(SRC, PRED, DST) do { \ + int temp1, temp2, temp3; \ + __asm__ volatile ( \ + "lbu %[temp1], 0(%[src]) \n\t" \ + "lbu %[temp2], 0(%[pred]) \n\t" \ + "subu %[temp3], %[temp1], %[temp2] \n\t" \ + "sb %[temp3], 0(%[dst]) \n\t" \ + : [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), [temp3]"=&r"(temp3) \ + : [pred]"r"((PRED)), [dst]"r"((DST)), [src]"r"((SRC)) \ + : "memory" \ + ); \ + } while (0) + +//------------------------------------------------------------------------------ +// Horizontal filter. + +#define FILTER_LINE_BY_LINE do { \ + while (row < last_row) { \ + PREDICT_LINE_ONE_PASS(in, preds - stride, out); \ + DO_PREDICT_LINE(in + 1, out + 1, width - 1, 0); \ + ++row; \ + preds += stride; \ + in += stride; \ + out += stride; \ + } \ + } while (0) + +static WEBP_INLINE void DoHorizontalFilter_MIPSdspR2(const uint8_t* in, + int width, int height, + int stride, + int row, int num_rows, + uint8_t* out) { + const uint8_t* preds; + const size_t start_offset = row * stride; + const int last_row = row + num_rows; + SANITY_CHECK(in, out); + in += start_offset; + out += start_offset; + preds = in; + + if (row == 0) { + // Leftmost pixel is the same as input for topmost scanline. + out[0] = in[0]; + PredictLine_MIPSdspR2(in + 1, out + 1, width - 1); + row = 1; + preds += stride; + in += stride; + out += stride; + } + + // Filter line-by-line. + FILTER_LINE_BY_LINE; +} +#undef FILTER_LINE_BY_LINE + +static void HorizontalFilter_MIPSdspR2(const uint8_t* data, + int width, int height, + int stride, uint8_t* filtered_data) { + DoHorizontalFilter_MIPSdspR2(data, width, height, stride, 0, height, + filtered_data); +} + +//------------------------------------------------------------------------------ +// Vertical filter. + +#define FILTER_LINE_BY_LINE do { \ + while (row < last_row) { \ + DO_PREDICT_LINE_VERTICAL(in, preds, out, width, 0); \ + ++row; \ + preds += stride; \ + in += stride; \ + out += stride; \ + } \ + } while (0) + +static WEBP_INLINE void DoVerticalFilter_MIPSdspR2(const uint8_t* in, + int width, int height, + int stride, + int row, int num_rows, + uint8_t* out) { + const uint8_t* preds; + const size_t start_offset = row * stride; + const int last_row = row + num_rows; + SANITY_CHECK(in, out); + in += start_offset; + out += start_offset; + preds = in; + + if (row == 0) { + // Very first top-left pixel is copied. + out[0] = in[0]; + // Rest of top scan-line is left-predicted. + PredictLine_MIPSdspR2(in + 1, out + 1, width - 1); + row = 1; + in += stride; + out += stride; + } else { + // We are starting from in-between. Make sure 'preds' points to prev row. + preds -= stride; + } + + // Filter line-by-line. + FILTER_LINE_BY_LINE; +} +#undef FILTER_LINE_BY_LINE + +static void VerticalFilter_MIPSdspR2(const uint8_t* data, int width, int height, + int stride, uint8_t* filtered_data) { + DoVerticalFilter_MIPSdspR2(data, width, height, stride, 0, height, + filtered_data); +} + +//------------------------------------------------------------------------------ +// Gradient filter. + +static int GradientPredictor_MIPSdspR2(uint8_t a, uint8_t b, uint8_t c) { + int temp0; + __asm__ volatile ( + "addu %[temp0], %[a], %[b] \n\t" + "subu %[temp0], %[temp0], %[c] \n\t" + "shll_s.w %[temp0], %[temp0], 23 \n\t" + "precrqu_s.qb.ph %[temp0], %[temp0], $zero \n\t" + "srl %[temp0], %[temp0], 24 \n\t" + : [temp0]"=&r"(temp0) + : [a]"r"(a),[b]"r"(b),[c]"r"(c) + ); + return temp0; +} + +#define FILTER_LINE_BY_LINE(PREDS, OPERATION) do { \ + while (row < last_row) { \ + int w; \ + PREDICT_LINE_ONE_PASS(in, PREDS - stride, out); \ + for (w = 1; w < width; ++w) { \ + const int pred = GradientPredictor_MIPSdspR2(PREDS[w - 1], \ + PREDS[w - stride], \ + PREDS[w - stride - 1]); \ + out[w] = in[w] OPERATION pred; \ + } \ + ++row; \ + in += stride; \ + out += stride; \ + } \ + } while (0) + +static void DoGradientFilter_MIPSdspR2(const uint8_t* in, + int width, int height, int stride, + int row, int num_rows, uint8_t* out) { + const uint8_t* preds; + const size_t start_offset = row * stride; + const int last_row = row + num_rows; + SANITY_CHECK(in, out); + in += start_offset; + out += start_offset; + preds = in; + + // left prediction for top scan-line + if (row == 0) { + out[0] = in[0]; + PredictLine_MIPSdspR2(in + 1, out + 1, width - 1); + row = 1; + preds += stride; + in += stride; + out += stride; + } + + // Filter line-by-line. + FILTER_LINE_BY_LINE(in, -); +} +#undef FILTER_LINE_BY_LINE + +static void GradientFilter_MIPSdspR2(const uint8_t* data, int width, int height, + int stride, uint8_t* filtered_data) { + DoGradientFilter_MIPSdspR2(data, width, height, stride, 0, height, + filtered_data); +} + +//------------------------------------------------------------------------------ + +static void HorizontalUnfilter_MIPSdspR2(const uint8_t* prev, const uint8_t* in, + uint8_t* out, int width) { + out[0] = in[0] + (prev == NULL ? 0 : prev[0]); + DO_PREDICT_LINE(in + 1, out + 1, width - 1, 1); +} + +static void VerticalUnfilter_MIPSdspR2(const uint8_t* prev, const uint8_t* in, + uint8_t* out, int width) { + if (prev == NULL) { + HorizontalUnfilter_MIPSdspR2(NULL, in, out, width); + } else { + DO_PREDICT_LINE_VERTICAL(in, prev, out, width, 1); + } +} + +static void GradientUnfilter_MIPSdspR2(const uint8_t* prev, const uint8_t* in, + uint8_t* out, int width) { + if (prev == NULL) { + HorizontalUnfilter_MIPSdspR2(NULL, in, out, width); + } else { + uint8_t top = prev[0], top_left = top, left = top; + int i; + for (i = 0; i < width; ++i) { + top = prev[i]; // need to read this first, in case prev==dst + left = in[i] + GradientPredictor_MIPSdspR2(left, top, top_left); + top_left = top; + out[i] = left; + } + } +} + +#undef DO_PREDICT_LINE_VERTICAL +#undef PREDICT_LINE_ONE_PASS +#undef DO_PREDICT_LINE +#undef SANITY_CHECK + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8FiltersInitMIPSdspR2(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8FiltersInitMIPSdspR2(void) { + WebPUnfilters[WEBP_FILTER_HORIZONTAL] = HorizontalUnfilter_MIPSdspR2; + WebPUnfilters[WEBP_FILTER_VERTICAL] = VerticalUnfilter_MIPSdspR2; + WebPUnfilters[WEBP_FILTER_GRADIENT] = GradientUnfilter_MIPSdspR2; + + WebPFilters[WEBP_FILTER_HORIZONTAL] = HorizontalFilter_MIPSdspR2; + WebPFilters[WEBP_FILTER_VERTICAL] = VerticalFilter_MIPSdspR2; + WebPFilters[WEBP_FILTER_GRADIENT] = GradientFilter_MIPSdspR2; +} + +#else // !WEBP_USE_MIPS_DSP_R2 + +WEBP_DSP_INIT_STUB(VP8FiltersInitMIPSdspR2) + +#endif // WEBP_USE_MIPS_DSP_R2 diff --git a/ProductApp/Pods/libwebp/src/dsp/filters_msa.c b/ProductApp/Pods/libwebp/src/dsp/filters_msa.c new file mode 100644 index 0000000..14c437d --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/filters_msa.c @@ -0,0 +1,202 @@ +// Copyright 2016 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// MSA variant of alpha filters +// +// Author: Prashant Patil (prashant.patil@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MSA) + +#include "src/dsp/msa_macro.h" + +#include + +static WEBP_INLINE void PredictLineInverse0(const uint8_t* src, + const uint8_t* pred, + uint8_t* dst, int length) { + v16u8 src0, pred0, dst0; + assert(length >= 0); + while (length >= 32) { + v16u8 src1, pred1, dst1; + LD_UB2(src, 16, src0, src1); + LD_UB2(pred, 16, pred0, pred1); + SUB2(src0, pred0, src1, pred1, dst0, dst1); + ST_UB2(dst0, dst1, dst, 16); + src += 32; + pred += 32; + dst += 32; + length -= 32; + } + if (length > 0) { + int i; + if (length >= 16) { + src0 = LD_UB(src); + pred0 = LD_UB(pred); + dst0 = src0 - pred0; + ST_UB(dst0, dst); + src += 16; + pred += 16; + dst += 16; + length -= 16; + } + for (i = 0; i < length; i++) { + dst[i] = src[i] - pred[i]; + } + } +} + +//------------------------------------------------------------------------------ +// Helpful macro. + +#define SANITY_CHECK(in, out) \ + assert(in != NULL); \ + assert(out != NULL); \ + assert(width > 0); \ + assert(height > 0); \ + assert(stride >= width); + +//------------------------------------------------------------------------------ +// Horrizontal filter + +static void HorizontalFilter_MSA(const uint8_t* data, int width, int height, + int stride, uint8_t* filtered_data) { + const uint8_t* preds = data; + const uint8_t* in = data; + uint8_t* out = filtered_data; + int row = 1; + SANITY_CHECK(in, out); + + // Leftmost pixel is the same as input for topmost scanline. + out[0] = in[0]; + PredictLineInverse0(in + 1, preds, out + 1, width - 1); + preds += stride; + in += stride; + out += stride; + // Filter line-by-line. + while (row < height) { + // Leftmost pixel is predicted from above. + PredictLineInverse0(in, preds - stride, out, 1); + PredictLineInverse0(in + 1, preds, out + 1, width - 1); + ++row; + preds += stride; + in += stride; + out += stride; + } +} + +//------------------------------------------------------------------------------ +// Gradient filter + +static WEBP_INLINE void PredictLineGradient(const uint8_t* pinput, + const uint8_t* ppred, + uint8_t* poutput, int stride, + int size) { + int w; + const v16i8 zero = { 0 }; + while (size >= 16) { + v16u8 pred0, dst0; + v8i16 a0, a1, b0, b1, c0, c1; + const v16u8 tmp0 = LD_UB(ppred - 1); + const v16u8 tmp1 = LD_UB(ppred - stride); + const v16u8 tmp2 = LD_UB(ppred - stride - 1); + const v16u8 src0 = LD_UB(pinput); + ILVRL_B2_SH(zero, tmp0, a0, a1); + ILVRL_B2_SH(zero, tmp1, b0, b1); + ILVRL_B2_SH(zero, tmp2, c0, c1); + ADD2(a0, b0, a1, b1, a0, a1); + SUB2(a0, c0, a1, c1, a0, a1); + CLIP_SH2_0_255(a0, a1); + pred0 = (v16u8)__msa_pckev_b((v16i8)a1, (v16i8)a0); + dst0 = src0 - pred0; + ST_UB(dst0, poutput); + ppred += 16; + pinput += 16; + poutput += 16; + size -= 16; + } + for (w = 0; w < size; ++w) { + const int pred = ppred[w - 1] + ppred[w - stride] - ppred[w - stride - 1]; + poutput[w] = pinput[w] - (pred < 0 ? 0 : pred > 255 ? 255 : pred); + } +} + + +static void GradientFilter_MSA(const uint8_t* data, int width, int height, + int stride, uint8_t* filtered_data) { + const uint8_t* in = data; + const uint8_t* preds = data; + uint8_t* out = filtered_data; + int row = 1; + SANITY_CHECK(in, out); + + // left prediction for top scan-line + out[0] = in[0]; + PredictLineInverse0(in + 1, preds, out + 1, width - 1); + preds += stride; + in += stride; + out += stride; + // Filter line-by-line. + while (row < height) { + out[0] = in[0] - preds[- stride]; + PredictLineGradient(preds + 1, in + 1, out + 1, stride, width - 1); + ++row; + preds += stride; + in += stride; + out += stride; + } +} + +//------------------------------------------------------------------------------ +// Vertical filter + +static void VerticalFilter_MSA(const uint8_t* data, int width, int height, + int stride, uint8_t* filtered_data) { + const uint8_t* in = data; + const uint8_t* preds = data; + uint8_t* out = filtered_data; + int row = 1; + SANITY_CHECK(in, out); + + // Very first top-left pixel is copied. + out[0] = in[0]; + // Rest of top scan-line is left-predicted. + PredictLineInverse0(in + 1, preds, out + 1, width - 1); + in += stride; + out += stride; + + // Filter line-by-line. + while (row < height) { + PredictLineInverse0(in, preds, out, width); + ++row; + preds += stride; + in += stride; + out += stride; + } +} + +#undef SANITY_CHECK + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8FiltersInitMSA(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8FiltersInitMSA(void) { + WebPFilters[WEBP_FILTER_HORIZONTAL] = HorizontalFilter_MSA; + WebPFilters[WEBP_FILTER_VERTICAL] = VerticalFilter_MSA; + WebPFilters[WEBP_FILTER_GRADIENT] = GradientFilter_MSA; +} + +#else // !WEBP_USE_MSA + +WEBP_DSP_INIT_STUB(VP8FiltersInitMSA) + +#endif // WEBP_USE_MSA diff --git a/ProductApp/Pods/libwebp/src/dsp/filters_neon.c b/ProductApp/Pods/libwebp/src/dsp/filters_neon.c new file mode 100644 index 0000000..3e6a578 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/filters_neon.c @@ -0,0 +1,329 @@ +// Copyright 2017 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// NEON variant of alpha filters +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_NEON) + +#include +#include "src/dsp/neon.h" + +//------------------------------------------------------------------------------ +// Helpful macros. + +# define SANITY_CHECK(in, out) \ + assert(in != NULL); \ + assert(out != NULL); \ + assert(width > 0); \ + assert(height > 0); \ + assert(stride >= width); \ + assert(row >= 0 && num_rows > 0 && row + num_rows <= height); \ + (void)height; // Silence unused warning. + +// load eight u8 and widen to s16 +#define U8_TO_S16(A) vreinterpretq_s16_u16(vmovl_u8(A)) +#define LOAD_U8_TO_S16(A) U8_TO_S16(vld1_u8(A)) + +// shift left or right by N byte, inserting zeros +#define SHIFT_RIGHT_N_Q(A, N) vextq_u8((A), zero, (N)) +#define SHIFT_LEFT_N_Q(A, N) vextq_u8(zero, (A), (16 - (N)) % 16) + +// rotate left by N bytes +#define ROTATE_LEFT_N(A, N) vext_u8((A), (A), (N)) +// rotate right by N bytes +#define ROTATE_RIGHT_N(A, N) vext_u8((A), (A), (8 - (N)) % 8) + +static void PredictLine_NEON(const uint8_t* src, const uint8_t* pred, + uint8_t* dst, int length) { + int i; + assert(length >= 0); + for (i = 0; i + 16 <= length; i += 16) { + const uint8x16_t A = vld1q_u8(&src[i]); + const uint8x16_t B = vld1q_u8(&pred[i]); + const uint8x16_t C = vsubq_u8(A, B); + vst1q_u8(&dst[i], C); + } + for (; i < length; ++i) dst[i] = src[i] - pred[i]; +} + +// Special case for left-based prediction (when preds==dst-1 or preds==src-1). +static void PredictLineLeft_NEON(const uint8_t* src, uint8_t* dst, int length) { + PredictLine_NEON(src, src - 1, dst, length); +} + +//------------------------------------------------------------------------------ +// Horizontal filter. + +static WEBP_INLINE void DoHorizontalFilter_NEON(const uint8_t* in, + int width, int height, + int stride, + int row, int num_rows, + uint8_t* out) { + const size_t start_offset = row * stride; + const int last_row = row + num_rows; + SANITY_CHECK(in, out); + in += start_offset; + out += start_offset; + + if (row == 0) { + // Leftmost pixel is the same as input for topmost scanline. + out[0] = in[0]; + PredictLineLeft_NEON(in + 1, out + 1, width - 1); + row = 1; + in += stride; + out += stride; + } + + // Filter line-by-line. + while (row < last_row) { + // Leftmost pixel is predicted from above. + out[0] = in[0] - in[-stride]; + PredictLineLeft_NEON(in + 1, out + 1, width - 1); + ++row; + in += stride; + out += stride; + } +} + +static void HorizontalFilter_NEON(const uint8_t* data, int width, int height, + int stride, uint8_t* filtered_data) { + DoHorizontalFilter_NEON(data, width, height, stride, 0, height, + filtered_data); +} + +//------------------------------------------------------------------------------ +// Vertical filter. + +static WEBP_INLINE void DoVerticalFilter_NEON(const uint8_t* in, + int width, int height, int stride, + int row, int num_rows, + uint8_t* out) { + const size_t start_offset = row * stride; + const int last_row = row + num_rows; + SANITY_CHECK(in, out); + in += start_offset; + out += start_offset; + + if (row == 0) { + // Very first top-left pixel is copied. + out[0] = in[0]; + // Rest of top scan-line is left-predicted. + PredictLineLeft_NEON(in + 1, out + 1, width - 1); + row = 1; + in += stride; + out += stride; + } + + // Filter line-by-line. + while (row < last_row) { + PredictLine_NEON(in, in - stride, out, width); + ++row; + in += stride; + out += stride; + } +} + +static void VerticalFilter_NEON(const uint8_t* data, int width, int height, + int stride, uint8_t* filtered_data) { + DoVerticalFilter_NEON(data, width, height, stride, 0, height, + filtered_data); +} + +//------------------------------------------------------------------------------ +// Gradient filter. + +static WEBP_INLINE int GradientPredictor_C(uint8_t a, uint8_t b, uint8_t c) { + const int g = a + b - c; + return ((g & ~0xff) == 0) ? g : (g < 0) ? 0 : 255; // clip to 8bit +} + +static void GradientPredictDirect_NEON(const uint8_t* const row, + const uint8_t* const top, + uint8_t* const out, int length) { + int i; + for (i = 0; i + 8 <= length; i += 8) { + const uint8x8_t A = vld1_u8(&row[i - 1]); + const uint8x8_t B = vld1_u8(&top[i + 0]); + const int16x8_t C = vreinterpretq_s16_u16(vaddl_u8(A, B)); + const int16x8_t D = LOAD_U8_TO_S16(&top[i - 1]); + const uint8x8_t E = vqmovun_s16(vsubq_s16(C, D)); + const uint8x8_t F = vld1_u8(&row[i + 0]); + vst1_u8(&out[i], vsub_u8(F, E)); + } + for (; i < length; ++i) { + out[i] = row[i] - GradientPredictor_C(row[i - 1], top[i], top[i - 1]); + } +} + +static WEBP_INLINE void DoGradientFilter_NEON(const uint8_t* in, + int width, int height, + int stride, + int row, int num_rows, + uint8_t* out) { + const size_t start_offset = row * stride; + const int last_row = row + num_rows; + SANITY_CHECK(in, out); + in += start_offset; + out += start_offset; + + // left prediction for top scan-line + if (row == 0) { + out[0] = in[0]; + PredictLineLeft_NEON(in + 1, out + 1, width - 1); + row = 1; + in += stride; + out += stride; + } + + // Filter line-by-line. + while (row < last_row) { + out[0] = in[0] - in[-stride]; + GradientPredictDirect_NEON(in + 1, in + 1 - stride, out + 1, width - 1); + ++row; + in += stride; + out += stride; + } +} + +static void GradientFilter_NEON(const uint8_t* data, int width, int height, + int stride, uint8_t* filtered_data) { + DoGradientFilter_NEON(data, width, height, stride, 0, height, + filtered_data); +} + +#undef SANITY_CHECK + +//------------------------------------------------------------------------------ +// Inverse transforms + +static void HorizontalUnfilter_NEON(const uint8_t* prev, const uint8_t* in, + uint8_t* out, int width) { + int i; + const uint8x16_t zero = vdupq_n_u8(0); + uint8x16_t last; + out[0] = in[0] + (prev == NULL ? 0 : prev[0]); + if (width <= 1) return; + last = vsetq_lane_u8(out[0], zero, 0); + for (i = 1; i + 16 <= width; i += 16) { + const uint8x16_t A0 = vld1q_u8(&in[i]); + const uint8x16_t A1 = vaddq_u8(A0, last); + const uint8x16_t A2 = SHIFT_LEFT_N_Q(A1, 1); + const uint8x16_t A3 = vaddq_u8(A1, A2); + const uint8x16_t A4 = SHIFT_LEFT_N_Q(A3, 2); + const uint8x16_t A5 = vaddq_u8(A3, A4); + const uint8x16_t A6 = SHIFT_LEFT_N_Q(A5, 4); + const uint8x16_t A7 = vaddq_u8(A5, A6); + const uint8x16_t A8 = SHIFT_LEFT_N_Q(A7, 8); + const uint8x16_t A9 = vaddq_u8(A7, A8); + vst1q_u8(&out[i], A9); + last = SHIFT_RIGHT_N_Q(A9, 15); + } + for (; i < width; ++i) out[i] = in[i] + out[i - 1]; +} + +static void VerticalUnfilter_NEON(const uint8_t* prev, const uint8_t* in, + uint8_t* out, int width) { + if (prev == NULL) { + HorizontalUnfilter_NEON(NULL, in, out, width); + } else { + int i; + assert(width >= 0); + for (i = 0; i + 16 <= width; i += 16) { + const uint8x16_t A = vld1q_u8(&in[i]); + const uint8x16_t B = vld1q_u8(&prev[i]); + const uint8x16_t C = vaddq_u8(A, B); + vst1q_u8(&out[i], C); + } + for (; i < width; ++i) out[i] = in[i] + prev[i]; + } +} + +// GradientUnfilter_NEON is correct but slower than the C-version, +// at least on ARM64. For armv7, it's a wash. +// So best is to disable it for now, but keep the idea around... +#if !defined(USE_GRADIENT_UNFILTER) +#define USE_GRADIENT_UNFILTER 0 // ALTERNATE_CODE +#endif + +#if (USE_GRADIENT_UNFILTER == 1) +#define GRAD_PROCESS_LANE(L) do { \ + const uint8x8_t tmp1 = ROTATE_RIGHT_N(pred, 1); /* rotate predictor in */ \ + const int16x8_t tmp2 = vaddq_s16(BC, U8_TO_S16(tmp1)); \ + const uint8x8_t delta = vqmovun_s16(tmp2); \ + pred = vadd_u8(D, delta); \ + out = vext_u8(out, ROTATE_LEFT_N(pred, (L)), 1); \ +} while (0) + +static void GradientPredictInverse_NEON(const uint8_t* const in, + const uint8_t* const top, + uint8_t* const row, int length) { + if (length > 0) { + int i; + uint8x8_t pred = vdup_n_u8(row[-1]); // left sample + uint8x8_t out = vdup_n_u8(0); + for (i = 0; i + 8 <= length; i += 8) { + const int16x8_t B = LOAD_U8_TO_S16(&top[i + 0]); + const int16x8_t C = LOAD_U8_TO_S16(&top[i - 1]); + const int16x8_t BC = vsubq_s16(B, C); // unclipped gradient basis B - C + const uint8x8_t D = vld1_u8(&in[i]); // base input + GRAD_PROCESS_LANE(0); + GRAD_PROCESS_LANE(1); + GRAD_PROCESS_LANE(2); + GRAD_PROCESS_LANE(3); + GRAD_PROCESS_LANE(4); + GRAD_PROCESS_LANE(5); + GRAD_PROCESS_LANE(6); + GRAD_PROCESS_LANE(7); + vst1_u8(&row[i], out); + } + for (; i < length; ++i) { + row[i] = in[i] + GradientPredictor_C(row[i - 1], top[i], top[i - 1]); + } + } +} +#undef GRAD_PROCESS_LANE + +static void GradientUnfilter_NEON(const uint8_t* prev, const uint8_t* in, + uint8_t* out, int width) { + if (prev == NULL) { + HorizontalUnfilter_NEON(NULL, in, out, width); + } else { + out[0] = in[0] + prev[0]; // predict from above + GradientPredictInverse_NEON(in + 1, prev + 1, out + 1, width - 1); + } +} + +#endif // USE_GRADIENT_UNFILTER + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8FiltersInitNEON(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8FiltersInitNEON(void) { + WebPUnfilters[WEBP_FILTER_HORIZONTAL] = HorizontalUnfilter_NEON; + WebPUnfilters[WEBP_FILTER_VERTICAL] = VerticalUnfilter_NEON; +#if (USE_GRADIENT_UNFILTER == 1) + WebPUnfilters[WEBP_FILTER_GRADIENT] = GradientUnfilter_NEON; +#endif + + WebPFilters[WEBP_FILTER_HORIZONTAL] = HorizontalFilter_NEON; + WebPFilters[WEBP_FILTER_VERTICAL] = VerticalFilter_NEON; + WebPFilters[WEBP_FILTER_GRADIENT] = GradientFilter_NEON; +} + +#else // !WEBP_USE_NEON + +WEBP_DSP_INIT_STUB(VP8FiltersInitNEON) + +#endif // WEBP_USE_NEON diff --git a/ProductApp/Pods/libwebp/src/dsp/filters_sse2.c b/ProductApp/Pods/libwebp/src/dsp/filters_sse2.c new file mode 100644 index 0000000..5c33ec1 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/filters_sse2.c @@ -0,0 +1,340 @@ +// Copyright 2015 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// SSE2 variant of alpha filters +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_SSE2) + +#include +#include +#include +#include + +//------------------------------------------------------------------------------ +// Helpful macro. + +# define SANITY_CHECK(in, out) \ + assert((in) != NULL); \ + assert((out) != NULL); \ + assert(width > 0); \ + assert(height > 0); \ + assert(stride >= width); \ + assert(row >= 0 && num_rows > 0 && row + num_rows <= height); \ + (void)height; // Silence unused warning. + +static void PredictLineTop_SSE2(const uint8_t* src, const uint8_t* pred, + uint8_t* dst, int length) { + int i; + const int max_pos = length & ~31; + assert(length >= 0); + for (i = 0; i < max_pos; i += 32) { + const __m128i A0 = _mm_loadu_si128((const __m128i*)&src[i + 0]); + const __m128i A1 = _mm_loadu_si128((const __m128i*)&src[i + 16]); + const __m128i B0 = _mm_loadu_si128((const __m128i*)&pred[i + 0]); + const __m128i B1 = _mm_loadu_si128((const __m128i*)&pred[i + 16]); + const __m128i C0 = _mm_sub_epi8(A0, B0); + const __m128i C1 = _mm_sub_epi8(A1, B1); + _mm_storeu_si128((__m128i*)&dst[i + 0], C0); + _mm_storeu_si128((__m128i*)&dst[i + 16], C1); + } + for (; i < length; ++i) dst[i] = src[i] - pred[i]; +} + +// Special case for left-based prediction (when preds==dst-1 or preds==src-1). +static void PredictLineLeft_SSE2(const uint8_t* src, uint8_t* dst, int length) { + int i; + const int max_pos = length & ~31; + assert(length >= 0); + for (i = 0; i < max_pos; i += 32) { + const __m128i A0 = _mm_loadu_si128((const __m128i*)(src + i + 0 )); + const __m128i B0 = _mm_loadu_si128((const __m128i*)(src + i + 0 - 1)); + const __m128i A1 = _mm_loadu_si128((const __m128i*)(src + i + 16 )); + const __m128i B1 = _mm_loadu_si128((const __m128i*)(src + i + 16 - 1)); + const __m128i C0 = _mm_sub_epi8(A0, B0); + const __m128i C1 = _mm_sub_epi8(A1, B1); + _mm_storeu_si128((__m128i*)(dst + i + 0), C0); + _mm_storeu_si128((__m128i*)(dst + i + 16), C1); + } + for (; i < length; ++i) dst[i] = src[i] - src[i - 1]; +} + +//------------------------------------------------------------------------------ +// Horizontal filter. + +static WEBP_INLINE void DoHorizontalFilter_SSE2(const uint8_t* in, + int width, int height, + int stride, + int row, int num_rows, + uint8_t* out) { + const size_t start_offset = row * stride; + const int last_row = row + num_rows; + SANITY_CHECK(in, out); + in += start_offset; + out += start_offset; + + if (row == 0) { + // Leftmost pixel is the same as input for topmost scanline. + out[0] = in[0]; + PredictLineLeft_SSE2(in + 1, out + 1, width - 1); + row = 1; + in += stride; + out += stride; + } + + // Filter line-by-line. + while (row < last_row) { + // Leftmost pixel is predicted from above. + out[0] = in[0] - in[-stride]; + PredictLineLeft_SSE2(in + 1, out + 1, width - 1); + ++row; + in += stride; + out += stride; + } +} + +//------------------------------------------------------------------------------ +// Vertical filter. + +static WEBP_INLINE void DoVerticalFilter_SSE2(const uint8_t* in, + int width, int height, int stride, + int row, int num_rows, + uint8_t* out) { + const size_t start_offset = row * stride; + const int last_row = row + num_rows; + SANITY_CHECK(in, out); + in += start_offset; + out += start_offset; + + if (row == 0) { + // Very first top-left pixel is copied. + out[0] = in[0]; + // Rest of top scan-line is left-predicted. + PredictLineLeft_SSE2(in + 1, out + 1, width - 1); + row = 1; + in += stride; + out += stride; + } + + // Filter line-by-line. + while (row < last_row) { + PredictLineTop_SSE2(in, in - stride, out, width); + ++row; + in += stride; + out += stride; + } +} + +//------------------------------------------------------------------------------ +// Gradient filter. + +static WEBP_INLINE int GradientPredictor_SSE2(uint8_t a, uint8_t b, uint8_t c) { + const int g = a + b - c; + return ((g & ~0xff) == 0) ? g : (g < 0) ? 0 : 255; // clip to 8bit +} + +static void GradientPredictDirect_SSE2(const uint8_t* const row, + const uint8_t* const top, + uint8_t* const out, int length) { + const int max_pos = length & ~7; + int i; + const __m128i zero = _mm_setzero_si128(); + for (i = 0; i < max_pos; i += 8) { + const __m128i A0 = _mm_loadl_epi64((const __m128i*)&row[i - 1]); + const __m128i B0 = _mm_loadl_epi64((const __m128i*)&top[i]); + const __m128i C0 = _mm_loadl_epi64((const __m128i*)&top[i - 1]); + const __m128i D = _mm_loadl_epi64((const __m128i*)&row[i]); + const __m128i A1 = _mm_unpacklo_epi8(A0, zero); + const __m128i B1 = _mm_unpacklo_epi8(B0, zero); + const __m128i C1 = _mm_unpacklo_epi8(C0, zero); + const __m128i E = _mm_add_epi16(A1, B1); + const __m128i F = _mm_sub_epi16(E, C1); + const __m128i G = _mm_packus_epi16(F, zero); + const __m128i H = _mm_sub_epi8(D, G); + _mm_storel_epi64((__m128i*)(out + i), H); + } + for (; i < length; ++i) { + const int delta = GradientPredictor_SSE2(row[i - 1], top[i], top[i - 1]); + out[i] = (uint8_t)(row[i] - delta); + } +} + +static WEBP_INLINE void DoGradientFilter_SSE2(const uint8_t* in, + int width, int height, int stride, + int row, int num_rows, + uint8_t* out) { + const size_t start_offset = row * stride; + const int last_row = row + num_rows; + SANITY_CHECK(in, out); + in += start_offset; + out += start_offset; + + // left prediction for top scan-line + if (row == 0) { + out[0] = in[0]; + PredictLineLeft_SSE2(in + 1, out + 1, width - 1); + row = 1; + in += stride; + out += stride; + } + + // Filter line-by-line. + while (row < last_row) { + out[0] = (uint8_t)(in[0] - in[-stride]); + GradientPredictDirect_SSE2(in + 1, in + 1 - stride, out + 1, width - 1); + ++row; + in += stride; + out += stride; + } +} + +#undef SANITY_CHECK + +//------------------------------------------------------------------------------ + +static void HorizontalFilter_SSE2(const uint8_t* data, int width, int height, + int stride, uint8_t* filtered_data) { + DoHorizontalFilter_SSE2(data, width, height, stride, 0, height, + filtered_data); +} + +static void VerticalFilter_SSE2(const uint8_t* data, int width, int height, + int stride, uint8_t* filtered_data) { + DoVerticalFilter_SSE2(data, width, height, stride, 0, height, filtered_data); +} + +static void GradientFilter_SSE2(const uint8_t* data, int width, int height, + int stride, uint8_t* filtered_data) { + DoGradientFilter_SSE2(data, width, height, stride, 0, height, filtered_data); +} + +//------------------------------------------------------------------------------ +// Inverse transforms + +static void HorizontalUnfilter_SSE2(const uint8_t* prev, const uint8_t* in, + uint8_t* out, int width) { + int i; + __m128i last; + out[0] = (uint8_t)(in[0] + (prev == NULL ? 0 : prev[0])); + if (width <= 1) return; + last = _mm_set_epi32(0, 0, 0, out[0]); + for (i = 1; i + 8 <= width; i += 8) { + const __m128i A0 = _mm_loadl_epi64((const __m128i*)(in + i)); + const __m128i A1 = _mm_add_epi8(A0, last); + const __m128i A2 = _mm_slli_si128(A1, 1); + const __m128i A3 = _mm_add_epi8(A1, A2); + const __m128i A4 = _mm_slli_si128(A3, 2); + const __m128i A5 = _mm_add_epi8(A3, A4); + const __m128i A6 = _mm_slli_si128(A5, 4); + const __m128i A7 = _mm_add_epi8(A5, A6); + _mm_storel_epi64((__m128i*)(out + i), A7); + last = _mm_srli_epi64(A7, 56); + } + for (; i < width; ++i) out[i] = (uint8_t)(in[i] + out[i - 1]); +} + +static void VerticalUnfilter_SSE2(const uint8_t* prev, const uint8_t* in, + uint8_t* out, int width) { + if (prev == NULL) { + HorizontalUnfilter_SSE2(NULL, in, out, width); + } else { + int i; + const int max_pos = width & ~31; + assert(width >= 0); + for (i = 0; i < max_pos; i += 32) { + const __m128i A0 = _mm_loadu_si128((const __m128i*)&in[i + 0]); + const __m128i A1 = _mm_loadu_si128((const __m128i*)&in[i + 16]); + const __m128i B0 = _mm_loadu_si128((const __m128i*)&prev[i + 0]); + const __m128i B1 = _mm_loadu_si128((const __m128i*)&prev[i + 16]); + const __m128i C0 = _mm_add_epi8(A0, B0); + const __m128i C1 = _mm_add_epi8(A1, B1); + _mm_storeu_si128((__m128i*)&out[i + 0], C0); + _mm_storeu_si128((__m128i*)&out[i + 16], C1); + } + for (; i < width; ++i) out[i] = (uint8_t)(in[i] + prev[i]); + } +} + +static void GradientPredictInverse_SSE2(const uint8_t* const in, + const uint8_t* const top, + uint8_t* const row, int length) { + if (length > 0) { + int i; + const int max_pos = length & ~7; + const __m128i zero = _mm_setzero_si128(); + __m128i A = _mm_set_epi32(0, 0, 0, row[-1]); // left sample + for (i = 0; i < max_pos; i += 8) { + const __m128i tmp0 = _mm_loadl_epi64((const __m128i*)&top[i]); + const __m128i tmp1 = _mm_loadl_epi64((const __m128i*)&top[i - 1]); + const __m128i B = _mm_unpacklo_epi8(tmp0, zero); + const __m128i C = _mm_unpacklo_epi8(tmp1, zero); + const __m128i D = _mm_loadl_epi64((const __m128i*)&in[i]); // base input + const __m128i E = _mm_sub_epi16(B, C); // unclipped gradient basis B - C + __m128i out = zero; // accumulator for output + __m128i mask_hi = _mm_set_epi32(0, 0, 0, 0xff); + int k = 8; + while (1) { + const __m128i tmp3 = _mm_add_epi16(A, E); // delta = A + B - C + const __m128i tmp4 = _mm_packus_epi16(tmp3, zero); // saturate delta + const __m128i tmp5 = _mm_add_epi8(tmp4, D); // add to in[] + A = _mm_and_si128(tmp5, mask_hi); // 1-complement clip + out = _mm_or_si128(out, A); // accumulate output + if (--k == 0) break; + A = _mm_slli_si128(A, 1); // rotate left sample + mask_hi = _mm_slli_si128(mask_hi, 1); // rotate mask + A = _mm_unpacklo_epi8(A, zero); // convert 8b->16b + } + A = _mm_srli_si128(A, 7); // prepare left sample for next iteration + _mm_storel_epi64((__m128i*)&row[i], out); + } + for (; i < length; ++i) { + const int delta = GradientPredictor_SSE2(row[i - 1], top[i], top[i - 1]); + row[i] = (uint8_t)(in[i] + delta); + } + } +} + +static void GradientUnfilter_SSE2(const uint8_t* prev, const uint8_t* in, + uint8_t* out, int width) { + if (prev == NULL) { + HorizontalUnfilter_SSE2(NULL, in, out, width); + } else { + out[0] = (uint8_t)(in[0] + prev[0]); // predict from above + GradientPredictInverse_SSE2(in + 1, prev + 1, out + 1, width - 1); + } +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8FiltersInitSSE2(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8FiltersInitSSE2(void) { + WebPUnfilters[WEBP_FILTER_HORIZONTAL] = HorizontalUnfilter_SSE2; +#if defined(CHROMIUM) + // TODO(crbug.com/654974) + (void)VerticalUnfilter_SSE2; +#else + WebPUnfilters[WEBP_FILTER_VERTICAL] = VerticalUnfilter_SSE2; +#endif + WebPUnfilters[WEBP_FILTER_GRADIENT] = GradientUnfilter_SSE2; + + WebPFilters[WEBP_FILTER_HORIZONTAL] = HorizontalFilter_SSE2; + WebPFilters[WEBP_FILTER_VERTICAL] = VerticalFilter_SSE2; + WebPFilters[WEBP_FILTER_GRADIENT] = GradientFilter_SSE2; +} + +#else // !WEBP_USE_SSE2 + +WEBP_DSP_INIT_STUB(VP8FiltersInitSSE2) + +#endif // WEBP_USE_SSE2 diff --git a/ProductApp/Pods/libwebp/src/dsp/lossless.c b/ProductApp/Pods/libwebp/src/dsp/lossless.c new file mode 100644 index 0000000..9f81209 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/lossless.c @@ -0,0 +1,681 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Image transforms and color space conversion methods for lossless decoder. +// +// Authors: Vikas Arora (vikaas.arora@gmail.com) +// Jyrki Alakuijala (jyrki@google.com) +// Urvang Joshi (urvang@google.com) + +#include "src/dsp/dsp.h" + +#include +#include +#include +#include "src/dec/vp8li_dec.h" +#include "src/utils/endian_inl_utils.h" +#include "src/dsp/lossless.h" +#include "src/dsp/lossless_common.h" + +//------------------------------------------------------------------------------ +// Image transforms. + +static WEBP_INLINE uint32_t Average2(uint32_t a0, uint32_t a1) { + return (((a0 ^ a1) & 0xfefefefeu) >> 1) + (a0 & a1); +} + +static WEBP_INLINE uint32_t Average3(uint32_t a0, uint32_t a1, uint32_t a2) { + return Average2(Average2(a0, a2), a1); +} + +static WEBP_INLINE uint32_t Average4(uint32_t a0, uint32_t a1, + uint32_t a2, uint32_t a3) { + return Average2(Average2(a0, a1), Average2(a2, a3)); +} + +static WEBP_INLINE uint32_t Clip255(uint32_t a) { + if (a < 256) { + return a; + } + // return 0, when a is a negative integer. + // return 255, when a is positive. + return ~a >> 24; +} + +static WEBP_INLINE int AddSubtractComponentFull(int a, int b, int c) { + return Clip255((uint32_t)(a + b - c)); +} + +static WEBP_INLINE uint32_t ClampedAddSubtractFull(uint32_t c0, uint32_t c1, + uint32_t c2) { + const int a = AddSubtractComponentFull(c0 >> 24, c1 >> 24, c2 >> 24); + const int r = AddSubtractComponentFull((c0 >> 16) & 0xff, + (c1 >> 16) & 0xff, + (c2 >> 16) & 0xff); + const int g = AddSubtractComponentFull((c0 >> 8) & 0xff, + (c1 >> 8) & 0xff, + (c2 >> 8) & 0xff); + const int b = AddSubtractComponentFull(c0 & 0xff, c1 & 0xff, c2 & 0xff); + return ((uint32_t)a << 24) | (r << 16) | (g << 8) | b; +} + +static WEBP_INLINE int AddSubtractComponentHalf(int a, int b) { + return Clip255((uint32_t)(a + (a - b) / 2)); +} + +static WEBP_INLINE uint32_t ClampedAddSubtractHalf(uint32_t c0, uint32_t c1, + uint32_t c2) { + const uint32_t ave = Average2(c0, c1); + const int a = AddSubtractComponentHalf(ave >> 24, c2 >> 24); + const int r = AddSubtractComponentHalf((ave >> 16) & 0xff, (c2 >> 16) & 0xff); + const int g = AddSubtractComponentHalf((ave >> 8) & 0xff, (c2 >> 8) & 0xff); + const int b = AddSubtractComponentHalf((ave >> 0) & 0xff, (c2 >> 0) & 0xff); + return ((uint32_t)a << 24) | (r << 16) | (g << 8) | b; +} + +// gcc <= 4.9 on ARM generates incorrect code in Select() when Sub3() is +// inlined. +#if defined(__arm__) && defined(__GNUC__) && LOCAL_GCC_VERSION <= 0x409 +# define LOCAL_INLINE __attribute__ ((noinline)) +#else +# define LOCAL_INLINE WEBP_INLINE +#endif + +static LOCAL_INLINE int Sub3(int a, int b, int c) { + const int pb = b - c; + const int pa = a - c; + return abs(pb) - abs(pa); +} + +#undef LOCAL_INLINE + +static WEBP_INLINE uint32_t Select(uint32_t a, uint32_t b, uint32_t c) { + const int pa_minus_pb = + Sub3((a >> 24) , (b >> 24) , (c >> 24) ) + + Sub3((a >> 16) & 0xff, (b >> 16) & 0xff, (c >> 16) & 0xff) + + Sub3((a >> 8) & 0xff, (b >> 8) & 0xff, (c >> 8) & 0xff) + + Sub3((a ) & 0xff, (b ) & 0xff, (c ) & 0xff); + return (pa_minus_pb <= 0) ? a : b; +} + +//------------------------------------------------------------------------------ +// Predictors + +uint32_t VP8LPredictor0_C(const uint32_t* const left, + const uint32_t* const top) { + (void)top; + (void)left; + return ARGB_BLACK; +} +uint32_t VP8LPredictor1_C(const uint32_t* const left, + const uint32_t* const top) { + (void)top; + return *left; +} +uint32_t VP8LPredictor2_C(const uint32_t* const left, + const uint32_t* const top) { + (void)left; + return top[0]; +} +uint32_t VP8LPredictor3_C(const uint32_t* const left, + const uint32_t* const top) { + (void)left; + return top[1]; +} +uint32_t VP8LPredictor4_C(const uint32_t* const left, + const uint32_t* const top) { + (void)left; + return top[-1]; +} +uint32_t VP8LPredictor5_C(const uint32_t* const left, + const uint32_t* const top) { + const uint32_t pred = Average3(*left, top[0], top[1]); + return pred; +} +uint32_t VP8LPredictor6_C(const uint32_t* const left, + const uint32_t* const top) { + const uint32_t pred = Average2(*left, top[-1]); + return pred; +} +uint32_t VP8LPredictor7_C(const uint32_t* const left, + const uint32_t* const top) { + const uint32_t pred = Average2(*left, top[0]); + return pred; +} +uint32_t VP8LPredictor8_C(const uint32_t* const left, + const uint32_t* const top) { + const uint32_t pred = Average2(top[-1], top[0]); + (void)left; + return pred; +} +uint32_t VP8LPredictor9_C(const uint32_t* const left, + const uint32_t* const top) { + const uint32_t pred = Average2(top[0], top[1]); + (void)left; + return pred; +} +uint32_t VP8LPredictor10_C(const uint32_t* const left, + const uint32_t* const top) { + const uint32_t pred = Average4(*left, top[-1], top[0], top[1]); + return pred; +} +uint32_t VP8LPredictor11_C(const uint32_t* const left, + const uint32_t* const top) { + const uint32_t pred = Select(top[0], *left, top[-1]); + return pred; +} +uint32_t VP8LPredictor12_C(const uint32_t* const left, + const uint32_t* const top) { + const uint32_t pred = ClampedAddSubtractFull(*left, top[0], top[-1]); + return pred; +} +uint32_t VP8LPredictor13_C(const uint32_t* const left, + const uint32_t* const top) { + const uint32_t pred = ClampedAddSubtractHalf(*left, top[0], top[-1]); + return pred; +} + +static void PredictorAdd0_C(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int x; + (void)upper; + for (x = 0; x < num_pixels; ++x) out[x] = VP8LAddPixels(in[x], ARGB_BLACK); +} +static void PredictorAdd1_C(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + uint32_t left = out[-1]; + (void)upper; + for (i = 0; i < num_pixels; ++i) { + out[i] = left = VP8LAddPixels(in[i], left); + } +} +GENERATE_PREDICTOR_ADD(VP8LPredictor2_C, PredictorAdd2_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor3_C, PredictorAdd3_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor4_C, PredictorAdd4_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor5_C, PredictorAdd5_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor6_C, PredictorAdd6_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor7_C, PredictorAdd7_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor8_C, PredictorAdd8_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor9_C, PredictorAdd9_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor10_C, PredictorAdd10_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor11_C, PredictorAdd11_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor12_C, PredictorAdd12_C) +GENERATE_PREDICTOR_ADD(VP8LPredictor13_C, PredictorAdd13_C) + +//------------------------------------------------------------------------------ + +// Inverse prediction. +static void PredictorInverseTransform_C(const VP8LTransform* const transform, + int y_start, int y_end, + const uint32_t* in, uint32_t* out) { + const int width = transform->xsize_; + if (y_start == 0) { // First Row follows the L (mode=1) mode. + PredictorAdd0_C(in, NULL, 1, out); + PredictorAdd1_C(in + 1, NULL, width - 1, out + 1); + in += width; + out += width; + ++y_start; + } + + { + int y = y_start; + const int tile_width = 1 << transform->bits_; + const int mask = tile_width - 1; + const int tiles_per_row = VP8LSubSampleSize(width, transform->bits_); + const uint32_t* pred_mode_base = + transform->data_ + (y >> transform->bits_) * tiles_per_row; + + while (y < y_end) { + const uint32_t* pred_mode_src = pred_mode_base; + int x = 1; + // First pixel follows the T (mode=2) mode. + PredictorAdd2_C(in, out - width, 1, out); + // .. the rest: + while (x < width) { + const VP8LPredictorAddSubFunc pred_func = + VP8LPredictorsAdd[((*pred_mode_src++) >> 8) & 0xf]; + int x_end = (x & ~mask) + tile_width; + if (x_end > width) x_end = width; + pred_func(in + x, out + x - width, x_end - x, out + x); + x = x_end; + } + in += width; + out += width; + ++y; + if ((y & mask) == 0) { // Use the same mask, since tiles are squares. + pred_mode_base += tiles_per_row; + } + } + } +} + +// Add green to blue and red channels (i.e. perform the inverse transform of +// 'subtract green'). +void VP8LAddGreenToBlueAndRed_C(const uint32_t* src, int num_pixels, + uint32_t* dst) { + int i; + for (i = 0; i < num_pixels; ++i) { + const uint32_t argb = src[i]; + const uint32_t green = ((argb >> 8) & 0xff); + uint32_t red_blue = (argb & 0x00ff00ffu); + red_blue += (green << 16) | green; + red_blue &= 0x00ff00ffu; + dst[i] = (argb & 0xff00ff00u) | red_blue; + } +} + +static WEBP_INLINE int ColorTransformDelta(int8_t color_pred, + int8_t color) { + return ((int)color_pred * color) >> 5; +} + +static WEBP_INLINE void ColorCodeToMultipliers(uint32_t color_code, + VP8LMultipliers* const m) { + m->green_to_red_ = (color_code >> 0) & 0xff; + m->green_to_blue_ = (color_code >> 8) & 0xff; + m->red_to_blue_ = (color_code >> 16) & 0xff; +} + +void VP8LTransformColorInverse_C(const VP8LMultipliers* const m, + const uint32_t* src, int num_pixels, + uint32_t* dst) { + int i; + for (i = 0; i < num_pixels; ++i) { + const uint32_t argb = src[i]; + const int8_t green = (int8_t)(argb >> 8); + const uint32_t red = argb >> 16; + int new_red = red & 0xff; + int new_blue = argb & 0xff; + new_red += ColorTransformDelta((int8_t)m->green_to_red_, green); + new_red &= 0xff; + new_blue += ColorTransformDelta((int8_t)m->green_to_blue_, green); + new_blue += ColorTransformDelta((int8_t)m->red_to_blue_, (int8_t)new_red); + new_blue &= 0xff; + dst[i] = (argb & 0xff00ff00u) | (new_red << 16) | (new_blue); + } +} + +// Color space inverse transform. +static void ColorSpaceInverseTransform_C(const VP8LTransform* const transform, + int y_start, int y_end, + const uint32_t* src, uint32_t* dst) { + const int width = transform->xsize_; + const int tile_width = 1 << transform->bits_; + const int mask = tile_width - 1; + const int safe_width = width & ~mask; + const int remaining_width = width - safe_width; + const int tiles_per_row = VP8LSubSampleSize(width, transform->bits_); + int y = y_start; + const uint32_t* pred_row = + transform->data_ + (y >> transform->bits_) * tiles_per_row; + + while (y < y_end) { + const uint32_t* pred = pred_row; + VP8LMultipliers m = { 0, 0, 0 }; + const uint32_t* const src_safe_end = src + safe_width; + const uint32_t* const src_end = src + width; + while (src < src_safe_end) { + ColorCodeToMultipliers(*pred++, &m); + VP8LTransformColorInverse(&m, src, tile_width, dst); + src += tile_width; + dst += tile_width; + } + if (src < src_end) { // Left-overs using C-version. + ColorCodeToMultipliers(*pred++, &m); + VP8LTransformColorInverse(&m, src, remaining_width, dst); + src += remaining_width; + dst += remaining_width; + } + ++y; + if ((y & mask) == 0) pred_row += tiles_per_row; + } +} + +// Separate out pixels packed together using pixel-bundling. +// We define two methods for ARGB data (uint32_t) and alpha-only data (uint8_t). +#define COLOR_INDEX_INVERSE(FUNC_NAME, F_NAME, STATIC_DECL, TYPE, BIT_SUFFIX, \ + GET_INDEX, GET_VALUE) \ +static void F_NAME(const TYPE* src, const uint32_t* const color_map, \ + TYPE* dst, int y_start, int y_end, int width) { \ + int y; \ + for (y = y_start; y < y_end; ++y) { \ + int x; \ + for (x = 0; x < width; ++x) { \ + *dst++ = GET_VALUE(color_map[GET_INDEX(*src++)]); \ + } \ + } \ +} \ +STATIC_DECL void FUNC_NAME(const VP8LTransform* const transform, \ + int y_start, int y_end, const TYPE* src, \ + TYPE* dst) { \ + int y; \ + const int bits_per_pixel = 8 >> transform->bits_; \ + const int width = transform->xsize_; \ + const uint32_t* const color_map = transform->data_; \ + if (bits_per_pixel < 8) { \ + const int pixels_per_byte = 1 << transform->bits_; \ + const int count_mask = pixels_per_byte - 1; \ + const uint32_t bit_mask = (1 << bits_per_pixel) - 1; \ + for (y = y_start; y < y_end; ++y) { \ + uint32_t packed_pixels = 0; \ + int x; \ + for (x = 0; x < width; ++x) { \ + /* We need to load fresh 'packed_pixels' once every */ \ + /* 'pixels_per_byte' increments of x. Fortunately, pixels_per_byte */ \ + /* is a power of 2, so can just use a mask for that, instead of */ \ + /* decrementing a counter. */ \ + if ((x & count_mask) == 0) packed_pixels = GET_INDEX(*src++); \ + *dst++ = GET_VALUE(color_map[packed_pixels & bit_mask]); \ + packed_pixels >>= bits_per_pixel; \ + } \ + } \ + } else { \ + VP8LMapColor##BIT_SUFFIX(src, color_map, dst, y_start, y_end, width); \ + } \ +} + +COLOR_INDEX_INVERSE(ColorIndexInverseTransform_C, MapARGB_C, static, + uint32_t, 32b, VP8GetARGBIndex, VP8GetARGBValue) +COLOR_INDEX_INVERSE(VP8LColorIndexInverseTransformAlpha, MapAlpha_C, , + uint8_t, 8b, VP8GetAlphaIndex, VP8GetAlphaValue) + +#undef COLOR_INDEX_INVERSE + +void VP8LInverseTransform(const VP8LTransform* const transform, + int row_start, int row_end, + const uint32_t* const in, uint32_t* const out) { + const int width = transform->xsize_; + assert(row_start < row_end); + assert(row_end <= transform->ysize_); + switch (transform->type_) { + case SUBTRACT_GREEN_TRANSFORM: + VP8LAddGreenToBlueAndRed(in, (row_end - row_start) * width, out); + break; + case PREDICTOR_TRANSFORM: + PredictorInverseTransform_C(transform, row_start, row_end, in, out); + if (row_end != transform->ysize_) { + // The last predicted row in this iteration will be the top-pred row + // for the first row in next iteration. + memcpy(out - width, out + (row_end - row_start - 1) * width, + width * sizeof(*out)); + } + break; + case CROSS_COLOR_TRANSFORM: + ColorSpaceInverseTransform_C(transform, row_start, row_end, in, out); + break; + case COLOR_INDEXING_TRANSFORM: + if (in == out && transform->bits_ > 0) { + // Move packed pixels to the end of unpacked region, so that unpacking + // can occur seamlessly. + // Also, note that this is the only transform that applies on + // the effective width of VP8LSubSampleSize(xsize_, bits_). All other + // transforms work on effective width of xsize_. + const int out_stride = (row_end - row_start) * width; + const int in_stride = (row_end - row_start) * + VP8LSubSampleSize(transform->xsize_, transform->bits_); + uint32_t* const src = out + out_stride - in_stride; + memmove(src, out, in_stride * sizeof(*src)); + ColorIndexInverseTransform_C(transform, row_start, row_end, src, out); + } else { + ColorIndexInverseTransform_C(transform, row_start, row_end, in, out); + } + break; + } +} + +//------------------------------------------------------------------------------ +// Color space conversion. + +static int is_big_endian(void) { + static const union { + uint16_t w; + uint8_t b[2]; + } tmp = { 1 }; + return (tmp.b[0] != 1); +} + +void VP8LConvertBGRAToRGB_C(const uint32_t* src, + int num_pixels, uint8_t* dst) { + const uint32_t* const src_end = src + num_pixels; + while (src < src_end) { + const uint32_t argb = *src++; + *dst++ = (argb >> 16) & 0xff; + *dst++ = (argb >> 8) & 0xff; + *dst++ = (argb >> 0) & 0xff; + } +} + +void VP8LConvertBGRAToRGBA_C(const uint32_t* src, + int num_pixels, uint8_t* dst) { + const uint32_t* const src_end = src + num_pixels; + while (src < src_end) { + const uint32_t argb = *src++; + *dst++ = (argb >> 16) & 0xff; + *dst++ = (argb >> 8) & 0xff; + *dst++ = (argb >> 0) & 0xff; + *dst++ = (argb >> 24) & 0xff; + } +} + +void VP8LConvertBGRAToRGBA4444_C(const uint32_t* src, + int num_pixels, uint8_t* dst) { + const uint32_t* const src_end = src + num_pixels; + while (src < src_end) { + const uint32_t argb = *src++; + const uint8_t rg = ((argb >> 16) & 0xf0) | ((argb >> 12) & 0xf); + const uint8_t ba = ((argb >> 0) & 0xf0) | ((argb >> 28) & 0xf); +#if (WEBP_SWAP_16BIT_CSP == 1) + *dst++ = ba; + *dst++ = rg; +#else + *dst++ = rg; + *dst++ = ba; +#endif + } +} + +void VP8LConvertBGRAToRGB565_C(const uint32_t* src, + int num_pixels, uint8_t* dst) { + const uint32_t* const src_end = src + num_pixels; + while (src < src_end) { + const uint32_t argb = *src++; + const uint8_t rg = ((argb >> 16) & 0xf8) | ((argb >> 13) & 0x7); + const uint8_t gb = ((argb >> 5) & 0xe0) | ((argb >> 3) & 0x1f); +#if (WEBP_SWAP_16BIT_CSP == 1) + *dst++ = gb; + *dst++ = rg; +#else + *dst++ = rg; + *dst++ = gb; +#endif + } +} + +void VP8LConvertBGRAToBGR_C(const uint32_t* src, + int num_pixels, uint8_t* dst) { + const uint32_t* const src_end = src + num_pixels; + while (src < src_end) { + const uint32_t argb = *src++; + *dst++ = (argb >> 0) & 0xff; + *dst++ = (argb >> 8) & 0xff; + *dst++ = (argb >> 16) & 0xff; + } +} + +static void CopyOrSwap(const uint32_t* src, int num_pixels, uint8_t* dst, + int swap_on_big_endian) { + if (is_big_endian() == swap_on_big_endian) { + const uint32_t* const src_end = src + num_pixels; + while (src < src_end) { + const uint32_t argb = *src++; + WebPUint32ToMem(dst, BSwap32(argb)); + dst += sizeof(argb); + } + } else { + memcpy(dst, src, num_pixels * sizeof(*src)); + } +} + +void VP8LConvertFromBGRA(const uint32_t* const in_data, int num_pixels, + WEBP_CSP_MODE out_colorspace, uint8_t* const rgba) { + switch (out_colorspace) { + case MODE_RGB: + VP8LConvertBGRAToRGB(in_data, num_pixels, rgba); + break; + case MODE_RGBA: + VP8LConvertBGRAToRGBA(in_data, num_pixels, rgba); + break; + case MODE_rgbA: + VP8LConvertBGRAToRGBA(in_data, num_pixels, rgba); + WebPApplyAlphaMultiply(rgba, 0, num_pixels, 1, 0); + break; + case MODE_BGR: + VP8LConvertBGRAToBGR(in_data, num_pixels, rgba); + break; + case MODE_BGRA: + CopyOrSwap(in_data, num_pixels, rgba, 1); + break; + case MODE_bgrA: + CopyOrSwap(in_data, num_pixels, rgba, 1); + WebPApplyAlphaMultiply(rgba, 0, num_pixels, 1, 0); + break; + case MODE_ARGB: + CopyOrSwap(in_data, num_pixels, rgba, 0); + break; + case MODE_Argb: + CopyOrSwap(in_data, num_pixels, rgba, 0); + WebPApplyAlphaMultiply(rgba, 1, num_pixels, 1, 0); + break; + case MODE_RGBA_4444: + VP8LConvertBGRAToRGBA4444(in_data, num_pixels, rgba); + break; + case MODE_rgbA_4444: + VP8LConvertBGRAToRGBA4444(in_data, num_pixels, rgba); + WebPApplyAlphaMultiply4444(rgba, num_pixels, 1, 0); + break; + case MODE_RGB_565: + VP8LConvertBGRAToRGB565(in_data, num_pixels, rgba); + break; + default: + assert(0); // Code flow should not reach here. + } +} + +//------------------------------------------------------------------------------ + +VP8LProcessDecBlueAndRedFunc VP8LAddGreenToBlueAndRed; +VP8LPredictorAddSubFunc VP8LPredictorsAdd[16]; +VP8LPredictorFunc VP8LPredictors[16]; + +// exposed plain-C implementations +VP8LPredictorAddSubFunc VP8LPredictorsAdd_C[16]; + +VP8LTransformColorInverseFunc VP8LTransformColorInverse; + +VP8LConvertFunc VP8LConvertBGRAToRGB; +VP8LConvertFunc VP8LConvertBGRAToRGBA; +VP8LConvertFunc VP8LConvertBGRAToRGBA4444; +VP8LConvertFunc VP8LConvertBGRAToRGB565; +VP8LConvertFunc VP8LConvertBGRAToBGR; + +VP8LMapARGBFunc VP8LMapColor32b; +VP8LMapAlphaFunc VP8LMapColor8b; + +extern VP8CPUInfo VP8GetCPUInfo; +extern void VP8LDspInitSSE2(void); +extern void VP8LDspInitSSE41(void); +extern void VP8LDspInitNEON(void); +extern void VP8LDspInitMIPSdspR2(void); +extern void VP8LDspInitMSA(void); + +#define COPY_PREDICTOR_ARRAY(IN, OUT) do { \ + (OUT)[0] = IN##0_C; \ + (OUT)[1] = IN##1_C; \ + (OUT)[2] = IN##2_C; \ + (OUT)[3] = IN##3_C; \ + (OUT)[4] = IN##4_C; \ + (OUT)[5] = IN##5_C; \ + (OUT)[6] = IN##6_C; \ + (OUT)[7] = IN##7_C; \ + (OUT)[8] = IN##8_C; \ + (OUT)[9] = IN##9_C; \ + (OUT)[10] = IN##10_C; \ + (OUT)[11] = IN##11_C; \ + (OUT)[12] = IN##12_C; \ + (OUT)[13] = IN##13_C; \ + (OUT)[14] = IN##0_C; /* <- padding security sentinels*/ \ + (OUT)[15] = IN##0_C; \ +} while (0); + +WEBP_DSP_INIT_FUNC(VP8LDspInit) { + COPY_PREDICTOR_ARRAY(VP8LPredictor, VP8LPredictors) + COPY_PREDICTOR_ARRAY(PredictorAdd, VP8LPredictorsAdd) + COPY_PREDICTOR_ARRAY(PredictorAdd, VP8LPredictorsAdd_C) + +#if !WEBP_NEON_OMIT_C_CODE + VP8LAddGreenToBlueAndRed = VP8LAddGreenToBlueAndRed_C; + + VP8LTransformColorInverse = VP8LTransformColorInverse_C; + + VP8LConvertBGRAToRGBA = VP8LConvertBGRAToRGBA_C; + VP8LConvertBGRAToRGB = VP8LConvertBGRAToRGB_C; + VP8LConvertBGRAToBGR = VP8LConvertBGRAToBGR_C; +#endif + + VP8LConvertBGRAToRGBA4444 = VP8LConvertBGRAToRGBA4444_C; + VP8LConvertBGRAToRGB565 = VP8LConvertBGRAToRGB565_C; + + VP8LMapColor32b = MapARGB_C; + VP8LMapColor8b = MapAlpha_C; + + // If defined, use CPUInfo() to overwrite some pointers with faster versions. + if (VP8GetCPUInfo != NULL) { +#if defined(WEBP_HAVE_SSE2) + if (VP8GetCPUInfo(kSSE2)) { + VP8LDspInitSSE2(); +#if defined(WEBP_HAVE_SSE41) + if (VP8GetCPUInfo(kSSE4_1)) { + VP8LDspInitSSE41(); + } +#endif + } +#endif +#if defined(WEBP_USE_MIPS_DSP_R2) + if (VP8GetCPUInfo(kMIPSdspR2)) { + VP8LDspInitMIPSdspR2(); + } +#endif +#if defined(WEBP_USE_MSA) + if (VP8GetCPUInfo(kMSA)) { + VP8LDspInitMSA(); + } +#endif + } + +#if defined(WEBP_HAVE_NEON) + if (WEBP_NEON_OMIT_C_CODE || + (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kNEON))) { + VP8LDspInitNEON(); + } +#endif + + assert(VP8LAddGreenToBlueAndRed != NULL); + assert(VP8LTransformColorInverse != NULL); + assert(VP8LConvertBGRAToRGBA != NULL); + assert(VP8LConvertBGRAToRGB != NULL); + assert(VP8LConvertBGRAToBGR != NULL); + assert(VP8LConvertBGRAToRGBA4444 != NULL); + assert(VP8LConvertBGRAToRGB565 != NULL); + assert(VP8LMapColor32b != NULL); + assert(VP8LMapColor8b != NULL); +} +#undef COPY_PREDICTOR_ARRAY + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/dsp/lossless.h b/ProductApp/Pods/libwebp/src/dsp/lossless.h new file mode 100644 index 0000000..de60d95 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/lossless.h @@ -0,0 +1,259 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Image transforms and color space conversion methods for lossless decoder. +// +// Authors: Vikas Arora (vikaas.arora@gmail.com) +// Jyrki Alakuijala (jyrki@google.com) + +#ifndef WEBP_DSP_LOSSLESS_H_ +#define WEBP_DSP_LOSSLESS_H_ + +#include "src/webp/types.h" +#include "src/webp/decode.h" + +#include "src/enc/histogram_enc.h" +#include "src/utils/utils.h" + +#ifdef __cplusplus +extern "C" { +#endif + +//------------------------------------------------------------------------------ +// Decoding + +typedef uint32_t (*VP8LPredictorFunc)(const uint32_t* const left, + const uint32_t* const top); +extern VP8LPredictorFunc VP8LPredictors[16]; + +uint32_t VP8LPredictor0_C(const uint32_t* const left, + const uint32_t* const top); +uint32_t VP8LPredictor1_C(const uint32_t* const left, + const uint32_t* const top); +uint32_t VP8LPredictor2_C(const uint32_t* const left, + const uint32_t* const top); +uint32_t VP8LPredictor3_C(const uint32_t* const left, + const uint32_t* const top); +uint32_t VP8LPredictor4_C(const uint32_t* const left, + const uint32_t* const top); +uint32_t VP8LPredictor5_C(const uint32_t* const left, + const uint32_t* const top); +uint32_t VP8LPredictor6_C(const uint32_t* const left, + const uint32_t* const top); +uint32_t VP8LPredictor7_C(const uint32_t* const left, + const uint32_t* const top); +uint32_t VP8LPredictor8_C(const uint32_t* const left, + const uint32_t* const top); +uint32_t VP8LPredictor9_C(const uint32_t* const left, + const uint32_t* const top); +uint32_t VP8LPredictor10_C(const uint32_t* const left, + const uint32_t* const top); +uint32_t VP8LPredictor11_C(const uint32_t* const left, + const uint32_t* const top); +uint32_t VP8LPredictor12_C(const uint32_t* const left, + const uint32_t* const top); +uint32_t VP8LPredictor13_C(const uint32_t* const left, + const uint32_t* const top); + +// These Add/Sub function expects upper[-1] and out[-1] to be readable. +typedef void (*VP8LPredictorAddSubFunc)(const uint32_t* in, + const uint32_t* upper, int num_pixels, + uint32_t* out); +extern VP8LPredictorAddSubFunc VP8LPredictorsAdd[16]; +extern VP8LPredictorAddSubFunc VP8LPredictorsAdd_C[16]; + +typedef void (*VP8LProcessDecBlueAndRedFunc)(const uint32_t* src, + int num_pixels, uint32_t* dst); +extern VP8LProcessDecBlueAndRedFunc VP8LAddGreenToBlueAndRed; + +typedef struct { + // Note: the members are uint8_t, so that any negative values are + // automatically converted to "mod 256" values. + uint8_t green_to_red_; + uint8_t green_to_blue_; + uint8_t red_to_blue_; +} VP8LMultipliers; +typedef void (*VP8LTransformColorInverseFunc)(const VP8LMultipliers* const m, + const uint32_t* src, + int num_pixels, uint32_t* dst); +extern VP8LTransformColorInverseFunc VP8LTransformColorInverse; + +struct VP8LTransform; // Defined in dec/vp8li.h. + +// Performs inverse transform of data given transform information, start and end +// rows. Transform will be applied to rows [row_start, row_end[. +// The *in and *out pointers refer to source and destination data respectively +// corresponding to the intermediate row (row_start). +void VP8LInverseTransform(const struct VP8LTransform* const transform, + int row_start, int row_end, + const uint32_t* const in, uint32_t* const out); + +// Color space conversion. +typedef void (*VP8LConvertFunc)(const uint32_t* src, int num_pixels, + uint8_t* dst); +extern VP8LConvertFunc VP8LConvertBGRAToRGB; +extern VP8LConvertFunc VP8LConvertBGRAToRGBA; +extern VP8LConvertFunc VP8LConvertBGRAToRGBA4444; +extern VP8LConvertFunc VP8LConvertBGRAToRGB565; +extern VP8LConvertFunc VP8LConvertBGRAToBGR; + +// Converts from BGRA to other color spaces. +void VP8LConvertFromBGRA(const uint32_t* const in_data, int num_pixels, + WEBP_CSP_MODE out_colorspace, uint8_t* const rgba); + +typedef void (*VP8LMapARGBFunc)(const uint32_t* src, + const uint32_t* const color_map, + uint32_t* dst, int y_start, + int y_end, int width); +typedef void (*VP8LMapAlphaFunc)(const uint8_t* src, + const uint32_t* const color_map, + uint8_t* dst, int y_start, + int y_end, int width); + +extern VP8LMapARGBFunc VP8LMapColor32b; +extern VP8LMapAlphaFunc VP8LMapColor8b; + +// Similar to the static method ColorIndexInverseTransform() that is part of +// lossless.c, but used only for alpha decoding. It takes uint8_t (rather than +// uint32_t) arguments for 'src' and 'dst'. +void VP8LColorIndexInverseTransformAlpha( + const struct VP8LTransform* const transform, int y_start, int y_end, + const uint8_t* src, uint8_t* dst); + +// Expose some C-only fallback functions +void VP8LTransformColorInverse_C(const VP8LMultipliers* const m, + const uint32_t* src, int num_pixels, + uint32_t* dst); + +void VP8LConvertBGRAToRGB_C(const uint32_t* src, int num_pixels, uint8_t* dst); +void VP8LConvertBGRAToRGBA_C(const uint32_t* src, int num_pixels, uint8_t* dst); +void VP8LConvertBGRAToRGBA4444_C(const uint32_t* src, + int num_pixels, uint8_t* dst); +void VP8LConvertBGRAToRGB565_C(const uint32_t* src, + int num_pixels, uint8_t* dst); +void VP8LConvertBGRAToBGR_C(const uint32_t* src, int num_pixels, uint8_t* dst); +void VP8LAddGreenToBlueAndRed_C(const uint32_t* src, int num_pixels, + uint32_t* dst); + +// Must be called before calling any of the above methods. +void VP8LDspInit(void); + +//------------------------------------------------------------------------------ +// Encoding + +typedef void (*VP8LProcessEncBlueAndRedFunc)(uint32_t* dst, int num_pixels); +extern VP8LProcessEncBlueAndRedFunc VP8LSubtractGreenFromBlueAndRed; +typedef void (*VP8LTransformColorFunc)(const VP8LMultipliers* const m, + uint32_t* dst, int num_pixels); +extern VP8LTransformColorFunc VP8LTransformColor; +typedef void (*VP8LCollectColorBlueTransformsFunc)( + const uint32_t* argb, int stride, + int tile_width, int tile_height, + int green_to_blue, int red_to_blue, int histo[]); +extern VP8LCollectColorBlueTransformsFunc VP8LCollectColorBlueTransforms; + +typedef void (*VP8LCollectColorRedTransformsFunc)( + const uint32_t* argb, int stride, + int tile_width, int tile_height, + int green_to_red, int histo[]); +extern VP8LCollectColorRedTransformsFunc VP8LCollectColorRedTransforms; + +// Expose some C-only fallback functions +void VP8LTransformColor_C(const VP8LMultipliers* const m, + uint32_t* data, int num_pixels); +void VP8LSubtractGreenFromBlueAndRed_C(uint32_t* argb_data, int num_pixels); +void VP8LCollectColorRedTransforms_C(const uint32_t* argb, int stride, + int tile_width, int tile_height, + int green_to_red, int histo[]); +void VP8LCollectColorBlueTransforms_C(const uint32_t* argb, int stride, + int tile_width, int tile_height, + int green_to_blue, int red_to_blue, + int histo[]); + +extern VP8LPredictorAddSubFunc VP8LPredictorsSub[16]; +extern VP8LPredictorAddSubFunc VP8LPredictorsSub_C[16]; + +// ----------------------------------------------------------------------------- +// Huffman-cost related functions. + +typedef float (*VP8LCostFunc)(const uint32_t* population, int length); +typedef float (*VP8LCostCombinedFunc)(const uint32_t* X, const uint32_t* Y, + int length); +typedef float (*VP8LCombinedShannonEntropyFunc)(const int X[256], + const int Y[256]); + +extern VP8LCostFunc VP8LExtraCost; +extern VP8LCostCombinedFunc VP8LExtraCostCombined; +extern VP8LCombinedShannonEntropyFunc VP8LCombinedShannonEntropy; + +typedef struct { // small struct to hold counters + int counts[2]; // index: 0=zero streak, 1=non-zero streak + int streaks[2][2]; // [zero/non-zero][streak<3 / streak>=3] +} VP8LStreaks; + +typedef struct { // small struct to hold bit entropy results + float entropy; // entropy + uint32_t sum; // sum of the population + int nonzeros; // number of non-zero elements in the population + uint32_t max_val; // maximum value in the population + uint32_t nonzero_code; // index of the last non-zero in the population +} VP8LBitEntropy; + +void VP8LBitEntropyInit(VP8LBitEntropy* const entropy); + +// Get the combined symbol bit entropy and Huffman cost stats for the +// distributions 'X' and 'Y'. Those results can then be refined according to +// codec specific heuristics. +typedef void (*VP8LGetCombinedEntropyUnrefinedFunc)( + const uint32_t X[], const uint32_t Y[], int length, + VP8LBitEntropy* const bit_entropy, VP8LStreaks* const stats); +extern VP8LGetCombinedEntropyUnrefinedFunc VP8LGetCombinedEntropyUnrefined; + +// Get the entropy for the distribution 'X'. +typedef void (*VP8LGetEntropyUnrefinedFunc)(const uint32_t X[], int length, + VP8LBitEntropy* const bit_entropy, + VP8LStreaks* const stats); +extern VP8LGetEntropyUnrefinedFunc VP8LGetEntropyUnrefined; + +void VP8LBitsEntropyUnrefined(const uint32_t* const array, int n, + VP8LBitEntropy* const entropy); + +typedef void (*VP8LAddVectorFunc)(const uint32_t* a, const uint32_t* b, + uint32_t* out, int size); +extern VP8LAddVectorFunc VP8LAddVector; +typedef void (*VP8LAddVectorEqFunc)(const uint32_t* a, uint32_t* out, int size); +extern VP8LAddVectorEqFunc VP8LAddVectorEq; +void VP8LHistogramAdd(const VP8LHistogram* const a, + const VP8LHistogram* const b, + VP8LHistogram* const out); + +// ----------------------------------------------------------------------------- +// PrefixEncode() + +typedef int (*VP8LVectorMismatchFunc)(const uint32_t* const array1, + const uint32_t* const array2, int length); +// Returns the first index where array1 and array2 are different. +extern VP8LVectorMismatchFunc VP8LVectorMismatch; + +typedef void (*VP8LBundleColorMapFunc)(const uint8_t* const row, int width, + int xbits, uint32_t* dst); +extern VP8LBundleColorMapFunc VP8LBundleColorMap; +void VP8LBundleColorMap_C(const uint8_t* const row, int width, int xbits, + uint32_t* dst); + +// Must be called before calling any of the above methods. +void VP8LEncDspInit(void); + +//------------------------------------------------------------------------------ + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_DSP_LOSSLESS_H_ diff --git a/ProductApp/Pods/libwebp/src/dsp/lossless_common.h b/ProductApp/Pods/libwebp/src/dsp/lossless_common.h new file mode 100644 index 0000000..6a2f736 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/lossless_common.h @@ -0,0 +1,191 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Image transforms and color space conversion methods for lossless decoder. +// +// Authors: Vikas Arora (vikaas.arora@gmail.com) +// Jyrki Alakuijala (jyrki@google.com) +// Vincent Rabaud (vrabaud@google.com) + +#ifndef WEBP_DSP_LOSSLESS_COMMON_H_ +#define WEBP_DSP_LOSSLESS_COMMON_H_ + +#include "src/webp/types.h" + +#include "src/utils/utils.h" + +#ifdef __cplusplus +extern "C" { +#endif + +//------------------------------------------------------------------------------ +// Decoding + +// color mapping related functions. +static WEBP_INLINE uint32_t VP8GetARGBIndex(uint32_t idx) { + return (idx >> 8) & 0xff; +} + +static WEBP_INLINE uint8_t VP8GetAlphaIndex(uint8_t idx) { + return idx; +} + +static WEBP_INLINE uint32_t VP8GetARGBValue(uint32_t val) { + return val; +} + +static WEBP_INLINE uint8_t VP8GetAlphaValue(uint32_t val) { + return (val >> 8) & 0xff; +} + +//------------------------------------------------------------------------------ +// Misc methods. + +// Computes sampled size of 'size' when sampling using 'sampling bits'. +static WEBP_INLINE uint32_t VP8LSubSampleSize(uint32_t size, + uint32_t sampling_bits) { + return (size + (1 << sampling_bits) - 1) >> sampling_bits; +} + +// Converts near lossless quality into max number of bits shaved off. +static WEBP_INLINE int VP8LNearLosslessBits(int near_lossless_quality) { + // 100 -> 0 + // 80..99 -> 1 + // 60..79 -> 2 + // 40..59 -> 3 + // 20..39 -> 4 + // 0..19 -> 5 + return 5 - near_lossless_quality / 20; +} + +// ----------------------------------------------------------------------------- +// Faster logarithm for integers. Small values use a look-up table. + +// The threshold till approximate version of log_2 can be used. +// Practically, we can get rid of the call to log() as the two values match to +// very high degree (the ratio of these two is 0.99999x). +// Keeping a high threshold for now. +#define APPROX_LOG_WITH_CORRECTION_MAX 65536 +#define APPROX_LOG_MAX 4096 +#define LOG_2_RECIPROCAL 1.44269504088896338700465094007086 +#define LOG_LOOKUP_IDX_MAX 256 +extern const float kLog2Table[LOG_LOOKUP_IDX_MAX]; +extern const float kSLog2Table[LOG_LOOKUP_IDX_MAX]; +typedef float (*VP8LFastLog2SlowFunc)(uint32_t v); + +extern VP8LFastLog2SlowFunc VP8LFastLog2Slow; +extern VP8LFastLog2SlowFunc VP8LFastSLog2Slow; + +static WEBP_INLINE float VP8LFastLog2(uint32_t v) { + return (v < LOG_LOOKUP_IDX_MAX) ? kLog2Table[v] : VP8LFastLog2Slow(v); +} +// Fast calculation of v * log2(v) for integer input. +static WEBP_INLINE float VP8LFastSLog2(uint32_t v) { + return (v < LOG_LOOKUP_IDX_MAX) ? kSLog2Table[v] : VP8LFastSLog2Slow(v); +} + +// ----------------------------------------------------------------------------- +// PrefixEncode() + +// Splitting of distance and length codes into prefixes and +// extra bits. The prefixes are encoded with an entropy code +// while the extra bits are stored just as normal bits. +static WEBP_INLINE void VP8LPrefixEncodeBitsNoLUT(int distance, int* const code, + int* const extra_bits) { + const int highest_bit = BitsLog2Floor(--distance); + const int second_highest_bit = (distance >> (highest_bit - 1)) & 1; + *extra_bits = highest_bit - 1; + *code = 2 * highest_bit + second_highest_bit; +} + +static WEBP_INLINE void VP8LPrefixEncodeNoLUT(int distance, int* const code, + int* const extra_bits, + int* const extra_bits_value) { + const int highest_bit = BitsLog2Floor(--distance); + const int second_highest_bit = (distance >> (highest_bit - 1)) & 1; + *extra_bits = highest_bit - 1; + *extra_bits_value = distance & ((1 << *extra_bits) - 1); + *code = 2 * highest_bit + second_highest_bit; +} + +#define PREFIX_LOOKUP_IDX_MAX 512 +typedef struct { + int8_t code_; + int8_t extra_bits_; +} VP8LPrefixCode; + +// These tables are derived using VP8LPrefixEncodeNoLUT. +extern const VP8LPrefixCode kPrefixEncodeCode[PREFIX_LOOKUP_IDX_MAX]; +extern const uint8_t kPrefixEncodeExtraBitsValue[PREFIX_LOOKUP_IDX_MAX]; +static WEBP_INLINE void VP8LPrefixEncodeBits(int distance, int* const code, + int* const extra_bits) { + if (distance < PREFIX_LOOKUP_IDX_MAX) { + const VP8LPrefixCode prefix_code = kPrefixEncodeCode[distance]; + *code = prefix_code.code_; + *extra_bits = prefix_code.extra_bits_; + } else { + VP8LPrefixEncodeBitsNoLUT(distance, code, extra_bits); + } +} + +static WEBP_INLINE void VP8LPrefixEncode(int distance, int* const code, + int* const extra_bits, + int* const extra_bits_value) { + if (distance < PREFIX_LOOKUP_IDX_MAX) { + const VP8LPrefixCode prefix_code = kPrefixEncodeCode[distance]; + *code = prefix_code.code_; + *extra_bits = prefix_code.extra_bits_; + *extra_bits_value = kPrefixEncodeExtraBitsValue[distance]; + } else { + VP8LPrefixEncodeNoLUT(distance, code, extra_bits, extra_bits_value); + } +} + +// Sum of each component, mod 256. +static WEBP_UBSAN_IGNORE_UNSIGNED_OVERFLOW WEBP_INLINE +uint32_t VP8LAddPixels(uint32_t a, uint32_t b) { + const uint32_t alpha_and_green = (a & 0xff00ff00u) + (b & 0xff00ff00u); + const uint32_t red_and_blue = (a & 0x00ff00ffu) + (b & 0x00ff00ffu); + return (alpha_and_green & 0xff00ff00u) | (red_and_blue & 0x00ff00ffu); +} + +// Difference of each component, mod 256. +static WEBP_UBSAN_IGNORE_UNSIGNED_OVERFLOW WEBP_INLINE +uint32_t VP8LSubPixels(uint32_t a, uint32_t b) { + const uint32_t alpha_and_green = + 0x00ff00ffu + (a & 0xff00ff00u) - (b & 0xff00ff00u); + const uint32_t red_and_blue = + 0xff00ff00u + (a & 0x00ff00ffu) - (b & 0x00ff00ffu); + return (alpha_and_green & 0xff00ff00u) | (red_and_blue & 0x00ff00ffu); +} + +//------------------------------------------------------------------------------ +// Transform-related functions use din both encoding and decoding. + +// Macros used to create a batch predictor that iteratively uses a +// one-pixel predictor. + +// The predictor is added to the output pixel (which +// is therefore considered as a residual) to get the final prediction. +#define GENERATE_PREDICTOR_ADD(PREDICTOR, PREDICTOR_ADD) \ +static void PREDICTOR_ADD(const uint32_t* in, const uint32_t* upper, \ + int num_pixels, uint32_t* out) { \ + int x; \ + assert(upper != NULL); \ + for (x = 0; x < num_pixels; ++x) { \ + const uint32_t pred = (PREDICTOR)(&out[x - 1], upper + x); \ + out[x] = VP8LAddPixels(in[x], pred); \ + } \ +} + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_DSP_LOSSLESS_COMMON_H_ diff --git a/ProductApp/Pods/libwebp/src/dsp/lossless_enc.c b/ProductApp/Pods/libwebp/src/dsp/lossless_enc.c new file mode 100644 index 0000000..cde1280 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/lossless_enc.c @@ -0,0 +1,949 @@ +// Copyright 2015 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Image transform methods for lossless encoder. +// +// Authors: Vikas Arora (vikaas.arora@gmail.com) +// Jyrki Alakuijala (jyrki@google.com) +// Urvang Joshi (urvang@google.com) + +#include "src/dsp/dsp.h" + +#include +#include +#include +#include "src/dec/vp8li_dec.h" +#include "src/utils/endian_inl_utils.h" +#include "src/dsp/lossless.h" +#include "src/dsp/lossless_common.h" +#include "src/dsp/yuv.h" + +// lookup table for small values of log2(int) +const float kLog2Table[LOG_LOOKUP_IDX_MAX] = { + 0.0000000000000000f, 0.0000000000000000f, + 1.0000000000000000f, 1.5849625007211560f, + 2.0000000000000000f, 2.3219280948873621f, + 2.5849625007211560f, 2.8073549220576041f, + 3.0000000000000000f, 3.1699250014423121f, + 3.3219280948873621f, 3.4594316186372973f, + 3.5849625007211560f, 3.7004397181410921f, + 3.8073549220576041f, 3.9068905956085187f, + 4.0000000000000000f, 4.0874628412503390f, + 4.1699250014423121f, 4.2479275134435852f, + 4.3219280948873626f, 4.3923174227787606f, + 4.4594316186372973f, 4.5235619560570130f, + 4.5849625007211560f, 4.6438561897747243f, + 4.7004397181410917f, 4.7548875021634682f, + 4.8073549220576037f, 4.8579809951275718f, + 4.9068905956085187f, 4.9541963103868749f, + 5.0000000000000000f, 5.0443941193584533f, + 5.0874628412503390f, 5.1292830169449663f, + 5.1699250014423121f, 5.2094533656289501f, + 5.2479275134435852f, 5.2854022188622487f, + 5.3219280948873626f, 5.3575520046180837f, + 5.3923174227787606f, 5.4262647547020979f, + 5.4594316186372973f, 5.4918530963296747f, + 5.5235619560570130f, 5.5545888516776376f, + 5.5849625007211560f, 5.6147098441152083f, + 5.6438561897747243f, 5.6724253419714951f, + 5.7004397181410917f, 5.7279204545631987f, + 5.7548875021634682f, 5.7813597135246599f, + 5.8073549220576037f, 5.8328900141647412f, + 5.8579809951275718f, 5.8826430493618415f, + 5.9068905956085187f, 5.9307373375628866f, + 5.9541963103868749f, 5.9772799234999167f, + 6.0000000000000000f, 6.0223678130284543f, + 6.0443941193584533f, 6.0660891904577720f, + 6.0874628412503390f, 6.1085244567781691f, + 6.1292830169449663f, 6.1497471195046822f, + 6.1699250014423121f, 6.1898245588800175f, + 6.2094533656289501f, 6.2288186904958804f, + 6.2479275134435852f, 6.2667865406949010f, + 6.2854022188622487f, 6.3037807481771030f, + 6.3219280948873626f, 6.3398500028846243f, + 6.3575520046180837f, 6.3750394313469245f, + 6.3923174227787606f, 6.4093909361377017f, + 6.4262647547020979f, 6.4429434958487279f, + 6.4594316186372973f, 6.4757334309663976f, + 6.4918530963296747f, 6.5077946401986963f, + 6.5235619560570130f, 6.5391588111080309f, + 6.5545888516776376f, 6.5698556083309478f, + 6.5849625007211560f, 6.5999128421871278f, + 6.6147098441152083f, 6.6293566200796094f, + 6.6438561897747243f, 6.6582114827517946f, + 6.6724253419714951f, 6.6865005271832185f, + 6.7004397181410917f, 6.7142455176661224f, + 6.7279204545631987f, 6.7414669864011464f, + 6.7548875021634682f, 6.7681843247769259f, + 6.7813597135246599f, 6.7944158663501061f, + 6.8073549220576037f, 6.8201789624151878f, + 6.8328900141647412f, 6.8454900509443747f, + 6.8579809951275718f, 6.8703647195834047f, + 6.8826430493618415f, 6.8948177633079437f, + 6.9068905956085187f, 6.9188632372745946f, + 6.9307373375628866f, 6.9425145053392398f, + 6.9541963103868749f, 6.9657842846620869f, + 6.9772799234999167f, 6.9886846867721654f, + 7.0000000000000000f, 7.0112272554232539f, + 7.0223678130284543f, 7.0334230015374501f, + 7.0443941193584533f, 7.0552824355011898f, + 7.0660891904577720f, 7.0768155970508308f, + 7.0874628412503390f, 7.0980320829605263f, + 7.1085244567781691f, 7.1189410727235076f, + 7.1292830169449663f, 7.1395513523987936f, + 7.1497471195046822f, 7.1598713367783890f, + 7.1699250014423121f, 7.1799090900149344f, + 7.1898245588800175f, 7.1996723448363644f, + 7.2094533656289501f, 7.2191685204621611f, + 7.2288186904958804f, 7.2384047393250785f, + 7.2479275134435852f, 7.2573878426926521f, + 7.2667865406949010f, 7.2761244052742375f, + 7.2854022188622487f, 7.2946207488916270f, + 7.3037807481771030f, 7.3128829552843557f, + 7.3219280948873626f, 7.3309168781146167f, + 7.3398500028846243f, 7.3487281542310771f, + 7.3575520046180837f, 7.3663222142458160f, + 7.3750394313469245f, 7.3837042924740519f, + 7.3923174227787606f, 7.4008794362821843f, + 7.4093909361377017f, 7.4178525148858982f, + 7.4262647547020979f, 7.4346282276367245f, + 7.4429434958487279f, 7.4512111118323289f, + 7.4594316186372973f, 7.4676055500829976f, + 7.4757334309663976f, 7.4838157772642563f, + 7.4918530963296747f, 7.4998458870832056f, + 7.5077946401986963f, 7.5156998382840427f, + 7.5235619560570130f, 7.5313814605163118f, + 7.5391588111080309f, 7.5468944598876364f, + 7.5545888516776376f, 7.5622424242210728f, + 7.5698556083309478f, 7.5774288280357486f, + 7.5849625007211560f, 7.5924570372680806f, + 7.5999128421871278f, 7.6073303137496104f, + 7.6147098441152083f, 7.6220518194563764f, + 7.6293566200796094f, 7.6366246205436487f, + 7.6438561897747243f, 7.6510516911789281f, + 7.6582114827517946f, 7.6653359171851764f, + 7.6724253419714951f, 7.6794800995054464f, + 7.6865005271832185f, 7.6934869574993252f, + 7.7004397181410917f, 7.7073591320808825f, + 7.7142455176661224f, 7.7210991887071855f, + 7.7279204545631987f, 7.7347096202258383f, + 7.7414669864011464f, 7.7481928495894605f, + 7.7548875021634682f, 7.7615512324444795f, + 7.7681843247769259f, 7.7747870596011736f, + 7.7813597135246599f, 7.7879025593914317f, + 7.7944158663501061f, 7.8008998999203047f, + 7.8073549220576037f, 7.8137811912170374f, + 7.8201789624151878f, 7.8265484872909150f, + 7.8328900141647412f, 7.8392037880969436f, + 7.8454900509443747f, 7.8517490414160571f, + 7.8579809951275718f, 7.8641861446542797f, + 7.8703647195834047f, 7.8765169465649993f, + 7.8826430493618415f, 7.8887432488982591f, + 7.8948177633079437f, 7.9008668079807486f, + 7.9068905956085187f, 7.9128893362299619f, + 7.9188632372745946f, 7.9248125036057812f, + 7.9307373375628866f, 7.9366379390025709f, + 7.9425145053392398f, 7.9483672315846778f, + 7.9541963103868749f, 7.9600019320680805f, + 7.9657842846620869f, 7.9715435539507719f, + 7.9772799234999167f, 7.9829935746943103f, + 7.9886846867721654f, 7.9943534368588577f +}; + +const float kSLog2Table[LOG_LOOKUP_IDX_MAX] = { + 0.00000000f, 0.00000000f, 2.00000000f, 4.75488750f, + 8.00000000f, 11.60964047f, 15.50977500f, 19.65148445f, + 24.00000000f, 28.52932501f, 33.21928095f, 38.05374781f, + 43.01955001f, 48.10571634f, 53.30296891f, 58.60335893f, + 64.00000000f, 69.48686830f, 75.05865003f, 80.71062276f, + 86.43856190f, 92.23866588f, 98.10749561f, 104.04192499f, + 110.03910002f, 116.09640474f, 122.21143267f, 128.38196256f, + 134.60593782f, 140.88144886f, 147.20671787f, 153.58008562f, + 160.00000000f, 166.46500594f, 172.97373660f, 179.52490559f, + 186.11730005f, 192.74977453f, 199.42124551f, 206.13068654f, + 212.87712380f, 219.65963219f, 226.47733176f, 233.32938445f, + 240.21499122f, 247.13338933f, 254.08384998f, 261.06567603f, + 268.07820003f, 275.12078236f, 282.19280949f, 289.29369244f, + 296.42286534f, 303.57978409f, 310.76392512f, 317.97478424f, + 325.21187564f, 332.47473081f, 339.76289772f, 347.07593991f, + 354.41343574f, 361.77497759f, 369.16017124f, 376.56863518f, + 384.00000000f, 391.45390785f, 398.93001188f, 406.42797576f, + 413.94747321f, 421.48818752f, 429.04981119f, 436.63204548f, + 444.23460010f, 451.85719280f, 459.49954906f, 467.16140179f, + 474.84249102f, 482.54256363f, 490.26137307f, 497.99867911f, + 505.75424759f, 513.52785023f, 521.31926438f, 529.12827280f, + 536.95466351f, 544.79822957f, 552.65876890f, 560.53608414f, + 568.42998244f, 576.34027536f, 584.26677867f, 592.20931226f, + 600.16769996f, 608.14176943f, 616.13135206f, 624.13628279f, + 632.15640007f, 640.19154569f, 648.24156472f, 656.30630539f, + 664.38561898f, 672.47935976f, 680.58738488f, 688.70955430f, + 696.84573069f, 704.99577935f, 713.15956818f, 721.33696754f, + 729.52785023f, 737.73209140f, 745.94956849f, 754.18016116f, + 762.42375127f, 770.68022275f, 778.94946161f, 787.23135586f, + 795.52579543f, 803.83267219f, 812.15187982f, 820.48331383f, + 828.82687147f, 837.18245171f, 845.54995518f, 853.92928416f, + 862.32034249f, 870.72303558f, 879.13727036f, 887.56295522f, + 896.00000000f, 904.44831595f, 912.90781569f, 921.37841320f, + 929.86002376f, 938.35256392f, 946.85595152f, 955.37010560f, + 963.89494641f, 972.43039537f, 980.97637504f, 989.53280911f, + 998.09962237f, 1006.67674069f, 1015.26409097f, 1023.86160116f, + 1032.46920021f, 1041.08681805f, 1049.71438560f, 1058.35183469f, + 1066.99909811f, 1075.65610955f, 1084.32280357f, 1092.99911564f, + 1101.68498204f, 1110.38033993f, 1119.08512727f, 1127.79928282f, + 1136.52274614f, 1145.25545758f, 1153.99735821f, 1162.74838989f, + 1171.50849518f, 1180.27761738f, 1189.05570047f, 1197.84268914f, + 1206.63852876f, 1215.44316535f, 1224.25654560f, 1233.07861684f, + 1241.90932703f, 1250.74862473f, 1259.59645914f, 1268.45278005f, + 1277.31753781f, 1286.19068338f, 1295.07216828f, 1303.96194457f, + 1312.85996488f, 1321.76618236f, 1330.68055071f, 1339.60302413f, + 1348.53355734f, 1357.47210556f, 1366.41862452f, 1375.37307041f, + 1384.33539991f, 1393.30557020f, 1402.28353887f, 1411.26926400f, + 1420.26270412f, 1429.26381818f, 1438.27256558f, 1447.28890615f, + 1456.31280014f, 1465.34420819f, 1474.38309138f, 1483.42941118f, + 1492.48312945f, 1501.54420843f, 1510.61261078f, 1519.68829949f, + 1528.77123795f, 1537.86138993f, 1546.95871952f, 1556.06319119f, + 1565.17476976f, 1574.29342040f, 1583.41910860f, 1592.55180020f, + 1601.69146137f, 1610.83805860f, 1619.99155871f, 1629.15192882f, + 1638.31913637f, 1647.49314911f, 1656.67393509f, 1665.86146266f, + 1675.05570047f, 1684.25661744f, 1693.46418280f, 1702.67836605f, + 1711.89913698f, 1721.12646563f, 1730.36032233f, 1739.60067768f, + 1748.84750254f, 1758.10076802f, 1767.36044551f, 1776.62650662f, + 1785.89892323f, 1795.17766747f, 1804.46271172f, 1813.75402857f, + 1823.05159087f, 1832.35537170f, 1841.66534438f, 1850.98148244f, + 1860.30375965f, 1869.63214999f, 1878.96662767f, 1888.30716711f, + 1897.65374295f, 1907.00633003f, 1916.36490342f, 1925.72943838f, + 1935.09991037f, 1944.47629506f, 1953.85856831f, 1963.24670620f, + 1972.64068498f, 1982.04048108f, 1991.44607117f, 2000.85743204f, + 2010.27454072f, 2019.69737440f, 2029.12591044f, 2038.56012640f +}; + +const VP8LPrefixCode kPrefixEncodeCode[PREFIX_LOOKUP_IDX_MAX] = { + { 0, 0}, { 0, 0}, { 1, 0}, { 2, 0}, { 3, 0}, { 4, 1}, { 4, 1}, { 5, 1}, + { 5, 1}, { 6, 2}, { 6, 2}, { 6, 2}, { 6, 2}, { 7, 2}, { 7, 2}, { 7, 2}, + { 7, 2}, { 8, 3}, { 8, 3}, { 8, 3}, { 8, 3}, { 8, 3}, { 8, 3}, { 8, 3}, + { 8, 3}, { 9, 3}, { 9, 3}, { 9, 3}, { 9, 3}, { 9, 3}, { 9, 3}, { 9, 3}, + { 9, 3}, {10, 4}, {10, 4}, {10, 4}, {10, 4}, {10, 4}, {10, 4}, {10, 4}, + {10, 4}, {10, 4}, {10, 4}, {10, 4}, {10, 4}, {10, 4}, {10, 4}, {10, 4}, + {10, 4}, {11, 4}, {11, 4}, {11, 4}, {11, 4}, {11, 4}, {11, 4}, {11, 4}, + {11, 4}, {11, 4}, {11, 4}, {11, 4}, {11, 4}, {11, 4}, {11, 4}, {11, 4}, + {11, 4}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, + {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, + {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, + {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, + {12, 5}, {13, 5}, {13, 5}, {13, 5}, {13, 5}, {13, 5}, {13, 5}, {13, 5}, + {13, 5}, {13, 5}, {13, 5}, {13, 5}, {13, 5}, {13, 5}, {13, 5}, {13, 5}, + {13, 5}, {13, 5}, {13, 5}, {13, 5}, {13, 5}, {13, 5}, {13, 5}, {13, 5}, + {13, 5}, {13, 5}, {13, 5}, {13, 5}, {13, 5}, {13, 5}, {13, 5}, {13, 5}, + {13, 5}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, + {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, + {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, + {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, + {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, + {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, + {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, + {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, {14, 6}, + {14, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, + {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, + {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, + {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, + {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, + {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, + {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, + {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, {15, 6}, + {15, 6}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, + {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, + {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, + {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, + {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, + {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, + {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, + {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, + {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, + {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, + {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, + {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, + {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, + {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, + {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, + {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, {16, 7}, + {16, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, + {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, + {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, + {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, + {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, + {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, + {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, + {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, + {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, + {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, + {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, + {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, + {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, + {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, + {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, + {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, +}; + +const uint8_t kPrefixEncodeExtraBitsValue[PREFIX_LOOKUP_IDX_MAX] = { + 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 2, 3, 0, 1, 2, 3, + 0, 1, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 4, 5, 6, 7, + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, + 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, + 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, + 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, + 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, + 127, + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, + 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, + 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, + 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, + 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126 +}; + +static float FastSLog2Slow_C(uint32_t v) { + assert(v >= LOG_LOOKUP_IDX_MAX); + if (v < APPROX_LOG_WITH_CORRECTION_MAX) { +#if !defined(WEBP_HAVE_SLOW_CLZ_CTZ) + // use clz if available + const int log_cnt = BitsLog2Floor(v) - 7; + const uint32_t y = 1 << log_cnt; + int correction = 0; + const float v_f = (float)v; + const uint32_t orig_v = v; + v >>= log_cnt; +#else + int log_cnt = 0; + uint32_t y = 1; + int correction = 0; + const float v_f = (float)v; + const uint32_t orig_v = v; + do { + ++log_cnt; + v = v >> 1; + y = y << 1; + } while (v >= LOG_LOOKUP_IDX_MAX); +#endif + // vf = (2^log_cnt) * Xf; where y = 2^log_cnt and Xf < 256 + // Xf = floor(Xf) * (1 + (v % y) / v) + // log2(Xf) = log2(floor(Xf)) + log2(1 + (v % y) / v) + // The correction factor: log(1 + d) ~ d; for very small d values, so + // log2(1 + (v % y) / v) ~ LOG_2_RECIPROCAL * (v % y)/v + // LOG_2_RECIPROCAL ~ 23/16 + correction = (23 * (orig_v & (y - 1))) >> 4; + return v_f * (kLog2Table[v] + log_cnt) + correction; + } else { + return (float)(LOG_2_RECIPROCAL * v * log((double)v)); + } +} + +static float FastLog2Slow_C(uint32_t v) { + assert(v >= LOG_LOOKUP_IDX_MAX); + if (v < APPROX_LOG_WITH_CORRECTION_MAX) { +#if !defined(WEBP_HAVE_SLOW_CLZ_CTZ) + // use clz if available + const int log_cnt = BitsLog2Floor(v) - 7; + const uint32_t y = 1 << log_cnt; + const uint32_t orig_v = v; + double log_2; + v >>= log_cnt; +#else + int log_cnt = 0; + uint32_t y = 1; + const uint32_t orig_v = v; + double log_2; + do { + ++log_cnt; + v = v >> 1; + y = y << 1; + } while (v >= LOG_LOOKUP_IDX_MAX); +#endif + log_2 = kLog2Table[v] + log_cnt; + if (orig_v >= APPROX_LOG_MAX) { + // Since the division is still expensive, add this correction factor only + // for large values of 'v'. + const int correction = (23 * (orig_v & (y - 1))) >> 4; + log_2 += (double)correction / orig_v; + } + return (float)log_2; + } else { + return (float)(LOG_2_RECIPROCAL * log((double)v)); + } +} + +//------------------------------------------------------------------------------ +// Methods to calculate Entropy (Shannon). + +// Compute the combined Shanon's entropy for distribution {X} and {X+Y} +static float CombinedShannonEntropy_C(const int X[256], const int Y[256]) { + int i; + float retval = 0.f; + int sumX = 0, sumXY = 0; + for (i = 0; i < 256; ++i) { + const int x = X[i]; + if (x != 0) { + const int xy = x + Y[i]; + sumX += x; + retval -= VP8LFastSLog2(x); + sumXY += xy; + retval -= VP8LFastSLog2(xy); + } else if (Y[i] != 0) { + sumXY += Y[i]; + retval -= VP8LFastSLog2(Y[i]); + } + } + retval += VP8LFastSLog2(sumX) + VP8LFastSLog2(sumXY); + return retval; +} + +void VP8LBitEntropyInit(VP8LBitEntropy* const entropy) { + entropy->entropy = 0.; + entropy->sum = 0; + entropy->nonzeros = 0; + entropy->max_val = 0; + entropy->nonzero_code = VP8L_NON_TRIVIAL_SYM; +} + +void VP8LBitsEntropyUnrefined(const uint32_t* const array, int n, + VP8LBitEntropy* const entropy) { + int i; + + VP8LBitEntropyInit(entropy); + + for (i = 0; i < n; ++i) { + if (array[i] != 0) { + entropy->sum += array[i]; + entropy->nonzero_code = i; + ++entropy->nonzeros; + entropy->entropy -= VP8LFastSLog2(array[i]); + if (entropy->max_val < array[i]) { + entropy->max_val = array[i]; + } + } + } + entropy->entropy += VP8LFastSLog2(entropy->sum); +} + +static WEBP_INLINE void GetEntropyUnrefinedHelper( + uint32_t val, int i, uint32_t* const val_prev, int* const i_prev, + VP8LBitEntropy* const bit_entropy, VP8LStreaks* const stats) { + const int streak = i - *i_prev; + + // Gather info for the bit entropy. + if (*val_prev != 0) { + bit_entropy->sum += (*val_prev) * streak; + bit_entropy->nonzeros += streak; + bit_entropy->nonzero_code = *i_prev; + bit_entropy->entropy -= VP8LFastSLog2(*val_prev) * streak; + if (bit_entropy->max_val < *val_prev) { + bit_entropy->max_val = *val_prev; + } + } + + // Gather info for the Huffman cost. + stats->counts[*val_prev != 0] += (streak > 3); + stats->streaks[*val_prev != 0][(streak > 3)] += streak; + + *val_prev = val; + *i_prev = i; +} + +static void GetEntropyUnrefined_C(const uint32_t X[], int length, + VP8LBitEntropy* const bit_entropy, + VP8LStreaks* const stats) { + int i; + int i_prev = 0; + uint32_t x_prev = X[0]; + + memset(stats, 0, sizeof(*stats)); + VP8LBitEntropyInit(bit_entropy); + + for (i = 1; i < length; ++i) { + const uint32_t x = X[i]; + if (x != x_prev) { + GetEntropyUnrefinedHelper(x, i, &x_prev, &i_prev, bit_entropy, stats); + } + } + GetEntropyUnrefinedHelper(0, i, &x_prev, &i_prev, bit_entropy, stats); + + bit_entropy->entropy += VP8LFastSLog2(bit_entropy->sum); +} + +static void GetCombinedEntropyUnrefined_C(const uint32_t X[], + const uint32_t Y[], + int length, + VP8LBitEntropy* const bit_entropy, + VP8LStreaks* const stats) { + int i = 1; + int i_prev = 0; + uint32_t xy_prev = X[0] + Y[0]; + + memset(stats, 0, sizeof(*stats)); + VP8LBitEntropyInit(bit_entropy); + + for (i = 1; i < length; ++i) { + const uint32_t xy = X[i] + Y[i]; + if (xy != xy_prev) { + GetEntropyUnrefinedHelper(xy, i, &xy_prev, &i_prev, bit_entropy, stats); + } + } + GetEntropyUnrefinedHelper(0, i, &xy_prev, &i_prev, bit_entropy, stats); + + bit_entropy->entropy += VP8LFastSLog2(bit_entropy->sum); +} + +//------------------------------------------------------------------------------ + +void VP8LSubtractGreenFromBlueAndRed_C(uint32_t* argb_data, int num_pixels) { + int i; + for (i = 0; i < num_pixels; ++i) { + const int argb = (int)argb_data[i]; + const int green = (argb >> 8) & 0xff; + const uint32_t new_r = (((argb >> 16) & 0xff) - green) & 0xff; + const uint32_t new_b = (((argb >> 0) & 0xff) - green) & 0xff; + argb_data[i] = ((uint32_t)argb & 0xff00ff00u) | (new_r << 16) | new_b; + } +} + +static WEBP_INLINE int ColorTransformDelta(int8_t color_pred, int8_t color) { + return ((int)color_pred * color) >> 5; +} + +static WEBP_INLINE int8_t U32ToS8(uint32_t v) { + return (int8_t)(v & 0xff); +} + +void VP8LTransformColor_C(const VP8LMultipliers* const m, uint32_t* data, + int num_pixels) { + int i; + for (i = 0; i < num_pixels; ++i) { + const uint32_t argb = data[i]; + const int8_t green = U32ToS8(argb >> 8); + const int8_t red = U32ToS8(argb >> 16); + int new_red = red & 0xff; + int new_blue = argb & 0xff; + new_red -= ColorTransformDelta((int8_t)m->green_to_red_, green); + new_red &= 0xff; + new_blue -= ColorTransformDelta((int8_t)m->green_to_blue_, green); + new_blue -= ColorTransformDelta((int8_t)m->red_to_blue_, red); + new_blue &= 0xff; + data[i] = (argb & 0xff00ff00u) | (new_red << 16) | (new_blue); + } +} + +static WEBP_INLINE uint8_t TransformColorRed(uint8_t green_to_red, + uint32_t argb) { + const int8_t green = U32ToS8(argb >> 8); + int new_red = argb >> 16; + new_red -= ColorTransformDelta((int8_t)green_to_red, green); + return (new_red & 0xff); +} + +static WEBP_INLINE uint8_t TransformColorBlue(uint8_t green_to_blue, + uint8_t red_to_blue, + uint32_t argb) { + const int8_t green = U32ToS8(argb >> 8); + const int8_t red = U32ToS8(argb >> 16); + int new_blue = argb & 0xff; + new_blue -= ColorTransformDelta((int8_t)green_to_blue, green); + new_blue -= ColorTransformDelta((int8_t)red_to_blue, red); + return (new_blue & 0xff); +} + +void VP8LCollectColorRedTransforms_C(const uint32_t* argb, int stride, + int tile_width, int tile_height, + int green_to_red, int histo[]) { + while (tile_height-- > 0) { + int x; + for (x = 0; x < tile_width; ++x) { + ++histo[TransformColorRed((uint8_t)green_to_red, argb[x])]; + } + argb += stride; + } +} + +void VP8LCollectColorBlueTransforms_C(const uint32_t* argb, int stride, + int tile_width, int tile_height, + int green_to_blue, int red_to_blue, + int histo[]) { + while (tile_height-- > 0) { + int x; + for (x = 0; x < tile_width; ++x) { + ++histo[TransformColorBlue((uint8_t)green_to_blue, (uint8_t)red_to_blue, + argb[x])]; + } + argb += stride; + } +} + +//------------------------------------------------------------------------------ + +static int VectorMismatch_C(const uint32_t* const array1, + const uint32_t* const array2, int length) { + int match_len = 0; + + while (match_len < length && array1[match_len] == array2[match_len]) { + ++match_len; + } + return match_len; +} + +// Bundles multiple (1, 2, 4 or 8) pixels into a single pixel. +void VP8LBundleColorMap_C(const uint8_t* const row, int width, int xbits, + uint32_t* dst) { + int x; + if (xbits > 0) { + const int bit_depth = 1 << (3 - xbits); + const int mask = (1 << xbits) - 1; + uint32_t code = 0xff000000; + for (x = 0; x < width; ++x) { + const int xsub = x & mask; + if (xsub == 0) { + code = 0xff000000; + } + code |= row[x] << (8 + bit_depth * xsub); + dst[x >> xbits] = code; + } + } else { + for (x = 0; x < width; ++x) dst[x] = 0xff000000 | (row[x] << 8); + } +} + +//------------------------------------------------------------------------------ + +static float ExtraCost_C(const uint32_t* population, int length) { + int i; + float cost = 0.f; + for (i = 2; i < length - 2; ++i) cost += (i >> 1) * population[i + 2]; + return cost; +} + +static float ExtraCostCombined_C(const uint32_t* X, const uint32_t* Y, + int length) { + int i; + float cost = 0.f; + for (i = 2; i < length - 2; ++i) { + const int xy = X[i + 2] + Y[i + 2]; + cost += (i >> 1) * xy; + } + return cost; +} + +//------------------------------------------------------------------------------ + +static void AddVector_C(const uint32_t* a, const uint32_t* b, uint32_t* out, + int size) { + int i; + for (i = 0; i < size; ++i) out[i] = a[i] + b[i]; +} + +static void AddVectorEq_C(const uint32_t* a, uint32_t* out, int size) { + int i; + for (i = 0; i < size; ++i) out[i] += a[i]; +} + +#define ADD(X, ARG, LEN) do { \ + if (a->is_used_[X]) { \ + if (b->is_used_[X]) { \ + VP8LAddVector(a->ARG, b->ARG, out->ARG, (LEN)); \ + } else { \ + memcpy(&out->ARG[0], &a->ARG[0], (LEN) * sizeof(out->ARG[0])); \ + } \ + } else if (b->is_used_[X]) { \ + memcpy(&out->ARG[0], &b->ARG[0], (LEN) * sizeof(out->ARG[0])); \ + } else { \ + memset(&out->ARG[0], 0, (LEN) * sizeof(out->ARG[0])); \ + } \ +} while (0) + +#define ADD_EQ(X, ARG, LEN) do { \ + if (a->is_used_[X]) { \ + if (out->is_used_[X]) { \ + VP8LAddVectorEq(a->ARG, out->ARG, (LEN)); \ + } else { \ + memcpy(&out->ARG[0], &a->ARG[0], (LEN) * sizeof(out->ARG[0])); \ + } \ + } \ +} while (0) + +void VP8LHistogramAdd(const VP8LHistogram* const a, + const VP8LHistogram* const b, VP8LHistogram* const out) { + int i; + const int literal_size = VP8LHistogramNumCodes(a->palette_code_bits_); + assert(a->palette_code_bits_ == b->palette_code_bits_); + + if (b != out) { + ADD(0, literal_, literal_size); + ADD(1, red_, NUM_LITERAL_CODES); + ADD(2, blue_, NUM_LITERAL_CODES); + ADD(3, alpha_, NUM_LITERAL_CODES); + ADD(4, distance_, NUM_DISTANCE_CODES); + for (i = 0; i < 5; ++i) { + out->is_used_[i] = (a->is_used_[i] | b->is_used_[i]); + } + } else { + ADD_EQ(0, literal_, literal_size); + ADD_EQ(1, red_, NUM_LITERAL_CODES); + ADD_EQ(2, blue_, NUM_LITERAL_CODES); + ADD_EQ(3, alpha_, NUM_LITERAL_CODES); + ADD_EQ(4, distance_, NUM_DISTANCE_CODES); + for (i = 0; i < 5; ++i) out->is_used_[i] |= a->is_used_[i]; + } +} +#undef ADD +#undef ADD_EQ + +//------------------------------------------------------------------------------ +// Image transforms. + +static void PredictorSub0_C(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + for (i = 0; i < num_pixels; ++i) out[i] = VP8LSubPixels(in[i], ARGB_BLACK); + (void)upper; +} + +static void PredictorSub1_C(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + for (i = 0; i < num_pixels; ++i) out[i] = VP8LSubPixels(in[i], in[i - 1]); + (void)upper; +} + +// It subtracts the prediction from the input pixel and stores the residual +// in the output pixel. +#define GENERATE_PREDICTOR_SUB(PREDICTOR_I) \ +static void PredictorSub##PREDICTOR_I##_C(const uint32_t* in, \ + const uint32_t* upper, \ + int num_pixels, uint32_t* out) { \ + int x; \ + assert(upper != NULL); \ + for (x = 0; x < num_pixels; ++x) { \ + const uint32_t pred = \ + VP8LPredictor##PREDICTOR_I##_C(&in[x - 1], upper + x); \ + out[x] = VP8LSubPixels(in[x], pred); \ + } \ +} + +GENERATE_PREDICTOR_SUB(2) +GENERATE_PREDICTOR_SUB(3) +GENERATE_PREDICTOR_SUB(4) +GENERATE_PREDICTOR_SUB(5) +GENERATE_PREDICTOR_SUB(6) +GENERATE_PREDICTOR_SUB(7) +GENERATE_PREDICTOR_SUB(8) +GENERATE_PREDICTOR_SUB(9) +GENERATE_PREDICTOR_SUB(10) +GENERATE_PREDICTOR_SUB(11) +GENERATE_PREDICTOR_SUB(12) +GENERATE_PREDICTOR_SUB(13) + +//------------------------------------------------------------------------------ + +VP8LProcessEncBlueAndRedFunc VP8LSubtractGreenFromBlueAndRed; + +VP8LTransformColorFunc VP8LTransformColor; + +VP8LCollectColorBlueTransformsFunc VP8LCollectColorBlueTransforms; +VP8LCollectColorRedTransformsFunc VP8LCollectColorRedTransforms; + +VP8LFastLog2SlowFunc VP8LFastLog2Slow; +VP8LFastLog2SlowFunc VP8LFastSLog2Slow; + +VP8LCostFunc VP8LExtraCost; +VP8LCostCombinedFunc VP8LExtraCostCombined; +VP8LCombinedShannonEntropyFunc VP8LCombinedShannonEntropy; + +VP8LGetEntropyUnrefinedFunc VP8LGetEntropyUnrefined; +VP8LGetCombinedEntropyUnrefinedFunc VP8LGetCombinedEntropyUnrefined; + +VP8LAddVectorFunc VP8LAddVector; +VP8LAddVectorEqFunc VP8LAddVectorEq; + +VP8LVectorMismatchFunc VP8LVectorMismatch; +VP8LBundleColorMapFunc VP8LBundleColorMap; + +VP8LPredictorAddSubFunc VP8LPredictorsSub[16]; +VP8LPredictorAddSubFunc VP8LPredictorsSub_C[16]; + +extern VP8CPUInfo VP8GetCPUInfo; +extern void VP8LEncDspInitSSE2(void); +extern void VP8LEncDspInitSSE41(void); +extern void VP8LEncDspInitNEON(void); +extern void VP8LEncDspInitMIPS32(void); +extern void VP8LEncDspInitMIPSdspR2(void); +extern void VP8LEncDspInitMSA(void); + +WEBP_DSP_INIT_FUNC(VP8LEncDspInit) { + VP8LDspInit(); + +#if !WEBP_NEON_OMIT_C_CODE + VP8LSubtractGreenFromBlueAndRed = VP8LSubtractGreenFromBlueAndRed_C; + + VP8LTransformColor = VP8LTransformColor_C; +#endif + + VP8LCollectColorBlueTransforms = VP8LCollectColorBlueTransforms_C; + VP8LCollectColorRedTransforms = VP8LCollectColorRedTransforms_C; + + VP8LFastLog2Slow = FastLog2Slow_C; + VP8LFastSLog2Slow = FastSLog2Slow_C; + + VP8LExtraCost = ExtraCost_C; + VP8LExtraCostCombined = ExtraCostCombined_C; + VP8LCombinedShannonEntropy = CombinedShannonEntropy_C; + + VP8LGetEntropyUnrefined = GetEntropyUnrefined_C; + VP8LGetCombinedEntropyUnrefined = GetCombinedEntropyUnrefined_C; + + VP8LAddVector = AddVector_C; + VP8LAddVectorEq = AddVectorEq_C; + + VP8LVectorMismatch = VectorMismatch_C; + VP8LBundleColorMap = VP8LBundleColorMap_C; + + VP8LPredictorsSub[0] = PredictorSub0_C; + VP8LPredictorsSub[1] = PredictorSub1_C; + VP8LPredictorsSub[2] = PredictorSub2_C; + VP8LPredictorsSub[3] = PredictorSub3_C; + VP8LPredictorsSub[4] = PredictorSub4_C; + VP8LPredictorsSub[5] = PredictorSub5_C; + VP8LPredictorsSub[6] = PredictorSub6_C; + VP8LPredictorsSub[7] = PredictorSub7_C; + VP8LPredictorsSub[8] = PredictorSub8_C; + VP8LPredictorsSub[9] = PredictorSub9_C; + VP8LPredictorsSub[10] = PredictorSub10_C; + VP8LPredictorsSub[11] = PredictorSub11_C; + VP8LPredictorsSub[12] = PredictorSub12_C; + VP8LPredictorsSub[13] = PredictorSub13_C; + VP8LPredictorsSub[14] = PredictorSub0_C; // <- padding security sentinels + VP8LPredictorsSub[15] = PredictorSub0_C; + + VP8LPredictorsSub_C[0] = PredictorSub0_C; + VP8LPredictorsSub_C[1] = PredictorSub1_C; + VP8LPredictorsSub_C[2] = PredictorSub2_C; + VP8LPredictorsSub_C[3] = PredictorSub3_C; + VP8LPredictorsSub_C[4] = PredictorSub4_C; + VP8LPredictorsSub_C[5] = PredictorSub5_C; + VP8LPredictorsSub_C[6] = PredictorSub6_C; + VP8LPredictorsSub_C[7] = PredictorSub7_C; + VP8LPredictorsSub_C[8] = PredictorSub8_C; + VP8LPredictorsSub_C[9] = PredictorSub9_C; + VP8LPredictorsSub_C[10] = PredictorSub10_C; + VP8LPredictorsSub_C[11] = PredictorSub11_C; + VP8LPredictorsSub_C[12] = PredictorSub12_C; + VP8LPredictorsSub_C[13] = PredictorSub13_C; + VP8LPredictorsSub_C[14] = PredictorSub0_C; // <- padding security sentinels + VP8LPredictorsSub_C[15] = PredictorSub0_C; + + // If defined, use CPUInfo() to overwrite some pointers with faster versions. + if (VP8GetCPUInfo != NULL) { +#if defined(WEBP_HAVE_SSE2) + if (VP8GetCPUInfo(kSSE2)) { + VP8LEncDspInitSSE2(); +#if defined(WEBP_HAVE_SSE41) + if (VP8GetCPUInfo(kSSE4_1)) { + VP8LEncDspInitSSE41(); + } +#endif + } +#endif +#if defined(WEBP_USE_MIPS32) + if (VP8GetCPUInfo(kMIPS32)) { + VP8LEncDspInitMIPS32(); + } +#endif +#if defined(WEBP_USE_MIPS_DSP_R2) + if (VP8GetCPUInfo(kMIPSdspR2)) { + VP8LEncDspInitMIPSdspR2(); + } +#endif +#if defined(WEBP_USE_MSA) + if (VP8GetCPUInfo(kMSA)) { + VP8LEncDspInitMSA(); + } +#endif + } + +#if defined(WEBP_HAVE_NEON) + if (WEBP_NEON_OMIT_C_CODE || + (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kNEON))) { + VP8LEncDspInitNEON(); + } +#endif + + assert(VP8LSubtractGreenFromBlueAndRed != NULL); + assert(VP8LTransformColor != NULL); + assert(VP8LCollectColorBlueTransforms != NULL); + assert(VP8LCollectColorRedTransforms != NULL); + assert(VP8LFastLog2Slow != NULL); + assert(VP8LFastSLog2Slow != NULL); + assert(VP8LExtraCost != NULL); + assert(VP8LExtraCostCombined != NULL); + assert(VP8LCombinedShannonEntropy != NULL); + assert(VP8LGetEntropyUnrefined != NULL); + assert(VP8LGetCombinedEntropyUnrefined != NULL); + assert(VP8LAddVector != NULL); + assert(VP8LAddVectorEq != NULL); + assert(VP8LVectorMismatch != NULL); + assert(VP8LBundleColorMap != NULL); + assert(VP8LPredictorsSub[0] != NULL); + assert(VP8LPredictorsSub[1] != NULL); + assert(VP8LPredictorsSub[2] != NULL); + assert(VP8LPredictorsSub[3] != NULL); + assert(VP8LPredictorsSub[4] != NULL); + assert(VP8LPredictorsSub[5] != NULL); + assert(VP8LPredictorsSub[6] != NULL); + assert(VP8LPredictorsSub[7] != NULL); + assert(VP8LPredictorsSub[8] != NULL); + assert(VP8LPredictorsSub[9] != NULL); + assert(VP8LPredictorsSub[10] != NULL); + assert(VP8LPredictorsSub[11] != NULL); + assert(VP8LPredictorsSub[12] != NULL); + assert(VP8LPredictorsSub[13] != NULL); + assert(VP8LPredictorsSub[14] != NULL); + assert(VP8LPredictorsSub[15] != NULL); + assert(VP8LPredictorsSub_C[0] != NULL); + assert(VP8LPredictorsSub_C[1] != NULL); + assert(VP8LPredictorsSub_C[2] != NULL); + assert(VP8LPredictorsSub_C[3] != NULL); + assert(VP8LPredictorsSub_C[4] != NULL); + assert(VP8LPredictorsSub_C[5] != NULL); + assert(VP8LPredictorsSub_C[6] != NULL); + assert(VP8LPredictorsSub_C[7] != NULL); + assert(VP8LPredictorsSub_C[8] != NULL); + assert(VP8LPredictorsSub_C[9] != NULL); + assert(VP8LPredictorsSub_C[10] != NULL); + assert(VP8LPredictorsSub_C[11] != NULL); + assert(VP8LPredictorsSub_C[12] != NULL); + assert(VP8LPredictorsSub_C[13] != NULL); + assert(VP8LPredictorsSub_C[14] != NULL); + assert(VP8LPredictorsSub_C[15] != NULL); +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/dsp/lossless_enc_mips32.c b/ProductApp/Pods/libwebp/src/dsp/lossless_enc_mips32.c new file mode 100644 index 0000000..639f786 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/lossless_enc_mips32.c @@ -0,0 +1,397 @@ +// Copyright 2015 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// MIPS version of lossless functions +// +// Author(s): Djordje Pesut (djordje.pesut@imgtec.com) +// Jovan Zelincevic (jovan.zelincevic@imgtec.com) + +#include "src/dsp/dsp.h" +#include "src/dsp/lossless.h" +#include "src/dsp/lossless_common.h" + +#if defined(WEBP_USE_MIPS32) + +#include +#include +#include +#include + +static float FastSLog2Slow_MIPS32(uint32_t v) { + assert(v >= LOG_LOOKUP_IDX_MAX); + if (v < APPROX_LOG_WITH_CORRECTION_MAX) { + uint32_t log_cnt, y, correction; + const int c24 = 24; + const float v_f = (float)v; + uint32_t temp; + + // Xf = 256 = 2^8 + // log_cnt is index of leading one in upper 24 bits + __asm__ volatile( + "clz %[log_cnt], %[v] \n\t" + "addiu %[y], $zero, 1 \n\t" + "subu %[log_cnt], %[c24], %[log_cnt] \n\t" + "sllv %[y], %[y], %[log_cnt] \n\t" + "srlv %[temp], %[v], %[log_cnt] \n\t" + : [log_cnt]"=&r"(log_cnt), [y]"=&r"(y), + [temp]"=r"(temp) + : [c24]"r"(c24), [v]"r"(v) + ); + + // vf = (2^log_cnt) * Xf; where y = 2^log_cnt and Xf < 256 + // Xf = floor(Xf) * (1 + (v % y) / v) + // log2(Xf) = log2(floor(Xf)) + log2(1 + (v % y) / v) + // The correction factor: log(1 + d) ~ d; for very small d values, so + // log2(1 + (v % y) / v) ~ LOG_2_RECIPROCAL * (v % y)/v + // LOG_2_RECIPROCAL ~ 23/16 + + // (v % y) = (v % 2^log_cnt) = v & (2^log_cnt - 1) + correction = (23 * (v & (y - 1))) >> 4; + return v_f * (kLog2Table[temp] + log_cnt) + correction; + } else { + return (float)(LOG_2_RECIPROCAL * v * log((double)v)); + } +} + +static float FastLog2Slow_MIPS32(uint32_t v) { + assert(v >= LOG_LOOKUP_IDX_MAX); + if (v < APPROX_LOG_WITH_CORRECTION_MAX) { + uint32_t log_cnt, y; + const int c24 = 24; + double log_2; + uint32_t temp; + + __asm__ volatile( + "clz %[log_cnt], %[v] \n\t" + "addiu %[y], $zero, 1 \n\t" + "subu %[log_cnt], %[c24], %[log_cnt] \n\t" + "sllv %[y], %[y], %[log_cnt] \n\t" + "srlv %[temp], %[v], %[log_cnt] \n\t" + : [log_cnt]"=&r"(log_cnt), [y]"=&r"(y), + [temp]"=r"(temp) + : [c24]"r"(c24), [v]"r"(v) + ); + + log_2 = kLog2Table[temp] + log_cnt; + if (v >= APPROX_LOG_MAX) { + // Since the division is still expensive, add this correction factor only + // for large values of 'v'. + + const uint32_t correction = (23 * (v & (y - 1))) >> 4; + log_2 += (double)correction / v; + } + return (float)log_2; + } else { + return (float)(LOG_2_RECIPROCAL * log((double)v)); + } +} + +// C version of this function: +// int i = 0; +// int64_t cost = 0; +// const uint32_t* pop = &population[4]; +// const uint32_t* LoopEnd = &population[length]; +// while (pop != LoopEnd) { +// ++i; +// cost += i * *pop; +// cost += i * *(pop + 1); +// pop += 2; +// } +// return (float)cost; +static float ExtraCost_MIPS32(const uint32_t* const population, int length) { + int i, temp0, temp1; + const uint32_t* pop = &population[4]; + const uint32_t* const LoopEnd = &population[length]; + + __asm__ volatile( + "mult $zero, $zero \n\t" + "xor %[i], %[i], %[i] \n\t" + "beq %[pop], %[LoopEnd], 2f \n\t" + "1: \n\t" + "lw %[temp0], 0(%[pop]) \n\t" + "lw %[temp1], 4(%[pop]) \n\t" + "addiu %[i], %[i], 1 \n\t" + "addiu %[pop], %[pop], 8 \n\t" + "madd %[i], %[temp0] \n\t" + "madd %[i], %[temp1] \n\t" + "bne %[pop], %[LoopEnd], 1b \n\t" + "2: \n\t" + "mfhi %[temp0] \n\t" + "mflo %[temp1] \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), + [i]"=&r"(i), [pop]"+r"(pop) + : [LoopEnd]"r"(LoopEnd) + : "memory", "hi", "lo" + ); + + return (float)((int64_t)temp0 << 32 | temp1); +} + +// C version of this function: +// int i = 0; +// int64_t cost = 0; +// const uint32_t* pX = &X[4]; +// const uint32_t* pY = &Y[4]; +// const uint32_t* LoopEnd = &X[length]; +// while (pX != LoopEnd) { +// const uint32_t xy0 = *pX + *pY; +// const uint32_t xy1 = *(pX + 1) + *(pY + 1); +// ++i; +// cost += i * xy0; +// cost += i * xy1; +// pX += 2; +// pY += 2; +// } +// return (float)cost; +static float ExtraCostCombined_MIPS32(const uint32_t* const X, + const uint32_t* const Y, int length) { + int i, temp0, temp1, temp2, temp3; + const uint32_t* pX = &X[4]; + const uint32_t* pY = &Y[4]; + const uint32_t* const LoopEnd = &X[length]; + + __asm__ volatile( + "mult $zero, $zero \n\t" + "xor %[i], %[i], %[i] \n\t" + "beq %[pX], %[LoopEnd], 2f \n\t" + "1: \n\t" + "lw %[temp0], 0(%[pX]) \n\t" + "lw %[temp1], 0(%[pY]) \n\t" + "lw %[temp2], 4(%[pX]) \n\t" + "lw %[temp3], 4(%[pY]) \n\t" + "addiu %[i], %[i], 1 \n\t" + "addu %[temp0], %[temp0], %[temp1] \n\t" + "addu %[temp2], %[temp2], %[temp3] \n\t" + "addiu %[pX], %[pX], 8 \n\t" + "addiu %[pY], %[pY], 8 \n\t" + "madd %[i], %[temp0] \n\t" + "madd %[i], %[temp2] \n\t" + "bne %[pX], %[LoopEnd], 1b \n\t" + "2: \n\t" + "mfhi %[temp0] \n\t" + "mflo %[temp1] \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), + [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), + [i]"=&r"(i), [pX]"+r"(pX), [pY]"+r"(pY) + : [LoopEnd]"r"(LoopEnd) + : "memory", "hi", "lo" + ); + + return (float)((int64_t)temp0 << 32 | temp1); +} + +#define HUFFMAN_COST_PASS \ + __asm__ volatile( \ + "sll %[temp1], %[temp0], 3 \n\t" \ + "addiu %[temp3], %[streak], -3 \n\t" \ + "addu %[temp2], %[pstreaks], %[temp1] \n\t" \ + "blez %[temp3], 1f \n\t" \ + "srl %[temp1], %[temp1], 1 \n\t" \ + "addu %[temp3], %[pcnts], %[temp1] \n\t" \ + "lw %[temp0], 4(%[temp2]) \n\t" \ + "lw %[temp1], 0(%[temp3]) \n\t" \ + "addu %[temp0], %[temp0], %[streak] \n\t" \ + "addiu %[temp1], %[temp1], 1 \n\t" \ + "sw %[temp0], 4(%[temp2]) \n\t" \ + "sw %[temp1], 0(%[temp3]) \n\t" \ + "b 2f \n\t" \ + "1: \n\t" \ + "lw %[temp0], 0(%[temp2]) \n\t" \ + "addu %[temp0], %[temp0], %[streak] \n\t" \ + "sw %[temp0], 0(%[temp2]) \n\t" \ + "2: \n\t" \ + : [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), \ + [temp3]"=&r"(temp3), [temp0]"+r"(temp0) \ + : [pstreaks]"r"(pstreaks), [pcnts]"r"(pcnts), \ + [streak]"r"(streak) \ + : "memory" \ + ); + +// Returns the various RLE counts +static WEBP_INLINE void GetEntropyUnrefinedHelper( + uint32_t val, int i, uint32_t* const val_prev, int* const i_prev, + VP8LBitEntropy* const bit_entropy, VP8LStreaks* const stats) { + int* const pstreaks = &stats->streaks[0][0]; + int* const pcnts = &stats->counts[0]; + int temp0, temp1, temp2, temp3; + const int streak = i - *i_prev; + + // Gather info for the bit entropy. + if (*val_prev != 0) { + bit_entropy->sum += (*val_prev) * streak; + bit_entropy->nonzeros += streak; + bit_entropy->nonzero_code = *i_prev; + bit_entropy->entropy -= VP8LFastSLog2(*val_prev) * streak; + if (bit_entropy->max_val < *val_prev) { + bit_entropy->max_val = *val_prev; + } + } + + // Gather info for the Huffman cost. + temp0 = (*val_prev != 0); + HUFFMAN_COST_PASS + + *val_prev = val; + *i_prev = i; +} + +static void GetEntropyUnrefined_MIPS32(const uint32_t X[], int length, + VP8LBitEntropy* const bit_entropy, + VP8LStreaks* const stats) { + int i; + int i_prev = 0; + uint32_t x_prev = X[0]; + + memset(stats, 0, sizeof(*stats)); + VP8LBitEntropyInit(bit_entropy); + + for (i = 1; i < length; ++i) { + const uint32_t x = X[i]; + if (x != x_prev) { + GetEntropyUnrefinedHelper(x, i, &x_prev, &i_prev, bit_entropy, stats); + } + } + GetEntropyUnrefinedHelper(0, i, &x_prev, &i_prev, bit_entropy, stats); + + bit_entropy->entropy += VP8LFastSLog2(bit_entropy->sum); +} + +static void GetCombinedEntropyUnrefined_MIPS32(const uint32_t X[], + const uint32_t Y[], + int length, + VP8LBitEntropy* const entropy, + VP8LStreaks* const stats) { + int i = 1; + int i_prev = 0; + uint32_t xy_prev = X[0] + Y[0]; + + memset(stats, 0, sizeof(*stats)); + VP8LBitEntropyInit(entropy); + + for (i = 1; i < length; ++i) { + const uint32_t xy = X[i] + Y[i]; + if (xy != xy_prev) { + GetEntropyUnrefinedHelper(xy, i, &xy_prev, &i_prev, entropy, stats); + } + } + GetEntropyUnrefinedHelper(0, i, &xy_prev, &i_prev, entropy, stats); + + entropy->entropy += VP8LFastSLog2(entropy->sum); +} + +#define ASM_START \ + __asm__ volatile( \ + ".set push \n\t" \ + ".set at \n\t" \ + ".set macro \n\t" \ + "1: \n\t" + +// P2 = P0 + P1 +// A..D - offsets +// E - temp variable to tell macro +// if pointer should be incremented +// literal_ and successive histograms could be unaligned +// so we must use ulw and usw +#define ADD_TO_OUT(A, B, C, D, E, P0, P1, P2) \ + "ulw %[temp0], " #A "(%[" #P0 "]) \n\t" \ + "ulw %[temp1], " #B "(%[" #P0 "]) \n\t" \ + "ulw %[temp2], " #C "(%[" #P0 "]) \n\t" \ + "ulw %[temp3], " #D "(%[" #P0 "]) \n\t" \ + "ulw %[temp4], " #A "(%[" #P1 "]) \n\t" \ + "ulw %[temp5], " #B "(%[" #P1 "]) \n\t" \ + "ulw %[temp6], " #C "(%[" #P1 "]) \n\t" \ + "ulw %[temp7], " #D "(%[" #P1 "]) \n\t" \ + "addu %[temp4], %[temp4], %[temp0] \n\t" \ + "addu %[temp5], %[temp5], %[temp1] \n\t" \ + "addu %[temp6], %[temp6], %[temp2] \n\t" \ + "addu %[temp7], %[temp7], %[temp3] \n\t" \ + "addiu %[" #P0 "], %[" #P0 "], 16 \n\t" \ + ".if " #E " == 1 \n\t" \ + "addiu %[" #P1 "], %[" #P1 "], 16 \n\t" \ + ".endif \n\t" \ + "usw %[temp4], " #A "(%[" #P2 "]) \n\t" \ + "usw %[temp5], " #B "(%[" #P2 "]) \n\t" \ + "usw %[temp6], " #C "(%[" #P2 "]) \n\t" \ + "usw %[temp7], " #D "(%[" #P2 "]) \n\t" \ + "addiu %[" #P2 "], %[" #P2 "], 16 \n\t" \ + "bne %[" #P0 "], %[LoopEnd], 1b \n\t" \ + ".set pop \n\t" \ + +#define ASM_END_COMMON_0 \ + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), \ + [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), \ + [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), \ + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), \ + [pa]"+r"(pa), [pout]"+r"(pout) + +#define ASM_END_COMMON_1 \ + : [LoopEnd]"r"(LoopEnd) \ + : "memory", "at" \ + ); + +#define ASM_END_0 \ + ASM_END_COMMON_0 \ + , [pb]"+r"(pb) \ + ASM_END_COMMON_1 + +#define ASM_END_1 \ + ASM_END_COMMON_0 \ + ASM_END_COMMON_1 + +static void AddVector_MIPS32(const uint32_t* pa, const uint32_t* pb, + uint32_t* pout, int size) { + uint32_t temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; + const int end = ((size) / 4) * 4; + const uint32_t* const LoopEnd = pa + end; + int i; + ASM_START + ADD_TO_OUT(0, 4, 8, 12, 1, pa, pb, pout) + ASM_END_0 + for (i = 0; i < size - end; ++i) pout[i] = pa[i] + pb[i]; +} + +static void AddVectorEq_MIPS32(const uint32_t* pa, uint32_t* pout, int size) { + uint32_t temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; + const int end = ((size) / 4) * 4; + const uint32_t* const LoopEnd = pa + end; + int i; + ASM_START + ADD_TO_OUT(0, 4, 8, 12, 0, pa, pout, pout) + ASM_END_1 + for (i = 0; i < size - end; ++i) pout[i] += pa[i]; +} + +#undef ASM_END_1 +#undef ASM_END_0 +#undef ASM_END_COMMON_1 +#undef ASM_END_COMMON_0 +#undef ADD_TO_OUT +#undef ASM_START + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8LEncDspInitMIPS32(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8LEncDspInitMIPS32(void) { + VP8LFastSLog2Slow = FastSLog2Slow_MIPS32; + VP8LFastLog2Slow = FastLog2Slow_MIPS32; + VP8LExtraCost = ExtraCost_MIPS32; + VP8LExtraCostCombined = ExtraCostCombined_MIPS32; + VP8LGetEntropyUnrefined = GetEntropyUnrefined_MIPS32; + VP8LGetCombinedEntropyUnrefined = GetCombinedEntropyUnrefined_MIPS32; + VP8LAddVector = AddVector_MIPS32; + VP8LAddVectorEq = AddVectorEq_MIPS32; +} + +#else // !WEBP_USE_MIPS32 + +WEBP_DSP_INIT_STUB(VP8LEncDspInitMIPS32) + +#endif // WEBP_USE_MIPS32 diff --git a/ProductApp/Pods/libwebp/src/dsp/lossless_enc_mips_dsp_r2.c b/ProductApp/Pods/libwebp/src/dsp/lossless_enc_mips_dsp_r2.c new file mode 100644 index 0000000..5855e6a --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/lossless_enc_mips_dsp_r2.c @@ -0,0 +1,281 @@ +// Copyright 2015 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Image transform methods for lossless encoder. +// +// Author(s): Djordje Pesut (djordje.pesut@imgtec.com) +// Jovan Zelincevic (jovan.zelincevic@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MIPS_DSP_R2) + +#include "src/dsp/lossless.h" + +static void SubtractGreenFromBlueAndRed_MIPSdspR2(uint32_t* argb_data, + int num_pixels) { + uint32_t temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; + uint32_t* const p_loop1_end = argb_data + (num_pixels & ~3); + uint32_t* const p_loop2_end = p_loop1_end + (num_pixels & 3); + __asm__ volatile ( + ".set push \n\t" + ".set noreorder \n\t" + "beq %[argb_data], %[p_loop1_end], 3f \n\t" + " nop \n\t" + "0: \n\t" + "lw %[temp0], 0(%[argb_data]) \n\t" + "lw %[temp1], 4(%[argb_data]) \n\t" + "lw %[temp2], 8(%[argb_data]) \n\t" + "lw %[temp3], 12(%[argb_data]) \n\t" + "ext %[temp4], %[temp0], 8, 8 \n\t" + "ext %[temp5], %[temp1], 8, 8 \n\t" + "ext %[temp6], %[temp2], 8, 8 \n\t" + "ext %[temp7], %[temp3], 8, 8 \n\t" + "addiu %[argb_data], %[argb_data], 16 \n\t" + "replv.ph %[temp4], %[temp4] \n\t" + "replv.ph %[temp5], %[temp5] \n\t" + "replv.ph %[temp6], %[temp6] \n\t" + "replv.ph %[temp7], %[temp7] \n\t" + "subu.qb %[temp0], %[temp0], %[temp4] \n\t" + "subu.qb %[temp1], %[temp1], %[temp5] \n\t" + "subu.qb %[temp2], %[temp2], %[temp6] \n\t" + "subu.qb %[temp3], %[temp3], %[temp7] \n\t" + "sw %[temp0], -16(%[argb_data]) \n\t" + "sw %[temp1], -12(%[argb_data]) \n\t" + "sw %[temp2], -8(%[argb_data]) \n\t" + "bne %[argb_data], %[p_loop1_end], 0b \n\t" + " sw %[temp3], -4(%[argb_data]) \n\t" + "3: \n\t" + "beq %[argb_data], %[p_loop2_end], 2f \n\t" + " nop \n\t" + "1: \n\t" + "lw %[temp0], 0(%[argb_data]) \n\t" + "addiu %[argb_data], %[argb_data], 4 \n\t" + "ext %[temp4], %[temp0], 8, 8 \n\t" + "replv.ph %[temp4], %[temp4] \n\t" + "subu.qb %[temp0], %[temp0], %[temp4] \n\t" + "bne %[argb_data], %[p_loop2_end], 1b \n\t" + " sw %[temp0], -4(%[argb_data]) \n\t" + "2: \n\t" + ".set pop \n\t" + : [argb_data]"+&r"(argb_data), [temp0]"=&r"(temp0), + [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), + [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [temp6]"=&r"(temp6), + [temp7]"=&r"(temp7) + : [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end) + : "memory" + ); +} + +static WEBP_INLINE uint32_t ColorTransformDelta(int8_t color_pred, + int8_t color) { + return (uint32_t)((int)(color_pred) * color) >> 5; +} + +static void TransformColor_MIPSdspR2(const VP8LMultipliers* const m, + uint32_t* data, int num_pixels) { + int temp0, temp1, temp2, temp3, temp4, temp5; + uint32_t argb, argb1, new_red, new_red1; + const uint32_t G_to_R = m->green_to_red_; + const uint32_t G_to_B = m->green_to_blue_; + const uint32_t R_to_B = m->red_to_blue_; + uint32_t* const p_loop_end = data + (num_pixels & ~1); + __asm__ volatile ( + ".set push \n\t" + ".set noreorder \n\t" + "beq %[data], %[p_loop_end], 1f \n\t" + " nop \n\t" + "replv.ph %[temp0], %[G_to_R] \n\t" + "replv.ph %[temp1], %[G_to_B] \n\t" + "replv.ph %[temp2], %[R_to_B] \n\t" + "shll.ph %[temp0], %[temp0], 8 \n\t" + "shll.ph %[temp1], %[temp1], 8 \n\t" + "shll.ph %[temp2], %[temp2], 8 \n\t" + "shra.ph %[temp0], %[temp0], 8 \n\t" + "shra.ph %[temp1], %[temp1], 8 \n\t" + "shra.ph %[temp2], %[temp2], 8 \n\t" + "0: \n\t" + "lw %[argb], 0(%[data]) \n\t" + "lw %[argb1], 4(%[data]) \n\t" + "lhu %[new_red], 2(%[data]) \n\t" + "lhu %[new_red1], 6(%[data]) \n\t" + "precrq.qb.ph %[temp3], %[argb], %[argb1] \n\t" + "precr.qb.ph %[temp4], %[argb], %[argb1] \n\t" + "preceu.ph.qbra %[temp3], %[temp3] \n\t" + "preceu.ph.qbla %[temp4], %[temp4] \n\t" + "shll.ph %[temp3], %[temp3], 8 \n\t" + "shll.ph %[temp4], %[temp4], 8 \n\t" + "shra.ph %[temp3], %[temp3], 8 \n\t" + "shra.ph %[temp4], %[temp4], 8 \n\t" + "mul.ph %[temp5], %[temp3], %[temp0] \n\t" + "mul.ph %[temp3], %[temp3], %[temp1] \n\t" + "mul.ph %[temp4], %[temp4], %[temp2] \n\t" + "addiu %[data], %[data], 8 \n\t" + "ins %[new_red1], %[new_red], 16, 16 \n\t" + "ins %[argb1], %[argb], 16, 16 \n\t" + "shra.ph %[temp5], %[temp5], 5 \n\t" + "shra.ph %[temp3], %[temp3], 5 \n\t" + "shra.ph %[temp4], %[temp4], 5 \n\t" + "subu.ph %[new_red1], %[new_red1], %[temp5] \n\t" + "subu.ph %[argb1], %[argb1], %[temp3] \n\t" + "preceu.ph.qbra %[temp5], %[new_red1] \n\t" + "subu.ph %[argb1], %[argb1], %[temp4] \n\t" + "preceu.ph.qbra %[temp3], %[argb1] \n\t" + "sb %[temp5], -2(%[data]) \n\t" + "sb %[temp3], -4(%[data]) \n\t" + "sra %[temp5], %[temp5], 16 \n\t" + "sra %[temp3], %[temp3], 16 \n\t" + "sb %[temp5], -6(%[data]) \n\t" + "bne %[data], %[p_loop_end], 0b \n\t" + " sb %[temp3], -8(%[data]) \n\t" + "1: \n\t" + ".set pop \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [new_red1]"=&r"(new_red1), [new_red]"=&r"(new_red), + [argb]"=&r"(argb), [argb1]"=&r"(argb1), [data]"+&r"(data) + : [G_to_R]"r"(G_to_R), [R_to_B]"r"(R_to_B), + [G_to_B]"r"(G_to_B), [p_loop_end]"r"(p_loop_end) + : "memory", "hi", "lo" + ); + + if (num_pixels & 1) { + const uint32_t argb_ = data[0]; + const uint32_t green = argb_ >> 8; + const uint32_t red = argb_ >> 16; + uint32_t new_blue = argb_; + new_red = red; + new_red -= ColorTransformDelta(m->green_to_red_, green); + new_red &= 0xff; + new_blue -= ColorTransformDelta(m->green_to_blue_, green); + new_blue -= ColorTransformDelta(m->red_to_blue_, red); + new_blue &= 0xff; + data[0] = (argb_ & 0xff00ff00u) | (new_red << 16) | (new_blue); + } +} + +static WEBP_INLINE uint8_t TransformColorBlue(uint8_t green_to_blue, + uint8_t red_to_blue, + uint32_t argb) { + const uint32_t green = argb >> 8; + const uint32_t red = argb >> 16; + uint8_t new_blue = argb; + new_blue -= ColorTransformDelta(green_to_blue, green); + new_blue -= ColorTransformDelta(red_to_blue, red); + return (new_blue & 0xff); +} + +static void CollectColorBlueTransforms_MIPSdspR2(const uint32_t* argb, + int stride, + int tile_width, + int tile_height, + int green_to_blue, + int red_to_blue, + int histo[]) { + const int rtb = (red_to_blue << 16) | (red_to_blue & 0xffff); + const int gtb = (green_to_blue << 16) | (green_to_blue & 0xffff); + const uint32_t mask = 0xff00ffu; + while (tile_height-- > 0) { + int x; + const uint32_t* p_argb = argb; + argb += stride; + for (x = 0; x < (tile_width >> 1); ++x) { + int temp0, temp1, temp2, temp3, temp4, temp5, temp6; + __asm__ volatile ( + "lw %[temp0], 0(%[p_argb]) \n\t" + "lw %[temp1], 4(%[p_argb]) \n\t" + "precr.qb.ph %[temp2], %[temp0], %[temp1] \n\t" + "ins %[temp1], %[temp0], 16, 16 \n\t" + "shra.ph %[temp2], %[temp2], 8 \n\t" + "shra.ph %[temp3], %[temp1], 8 \n\t" + "mul.ph %[temp5], %[temp2], %[rtb] \n\t" + "mul.ph %[temp6], %[temp3], %[gtb] \n\t" + "and %[temp4], %[temp1], %[mask] \n\t" + "addiu %[p_argb], %[p_argb], 8 \n\t" + "shra.ph %[temp5], %[temp5], 5 \n\t" + "shra.ph %[temp6], %[temp6], 5 \n\t" + "subu.qb %[temp2], %[temp4], %[temp5] \n\t" + "subu.qb %[temp2], %[temp2], %[temp6] \n\t" + : [p_argb]"+&r"(p_argb), [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), + [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), + [temp5]"=&r"(temp5), [temp6]"=&r"(temp6) + : [rtb]"r"(rtb), [gtb]"r"(gtb), [mask]"r"(mask) + : "memory", "hi", "lo" + ); + ++histo[(uint8_t)(temp2 >> 16)]; + ++histo[(uint8_t)temp2]; + } + if (tile_width & 1) { + ++histo[TransformColorBlue(green_to_blue, red_to_blue, *p_argb)]; + } + } +} + +static WEBP_INLINE uint8_t TransformColorRed(uint8_t green_to_red, + uint32_t argb) { + const uint32_t green = argb >> 8; + uint32_t new_red = argb >> 16; + new_red -= ColorTransformDelta(green_to_red, green); + return (new_red & 0xff); +} + +static void CollectColorRedTransforms_MIPSdspR2(const uint32_t* argb, + int stride, + int tile_width, + int tile_height, + int green_to_red, + int histo[]) { + const int gtr = (green_to_red << 16) | (green_to_red & 0xffff); + while (tile_height-- > 0) { + int x; + const uint32_t* p_argb = argb; + argb += stride; + for (x = 0; x < (tile_width >> 1); ++x) { + int temp0, temp1, temp2, temp3, temp4; + __asm__ volatile ( + "lw %[temp0], 0(%[p_argb]) \n\t" + "lw %[temp1], 4(%[p_argb]) \n\t" + "precrq.ph.w %[temp4], %[temp0], %[temp1] \n\t" + "ins %[temp1], %[temp0], 16, 16 \n\t" + "shra.ph %[temp3], %[temp1], 8 \n\t" + "mul.ph %[temp2], %[temp3], %[gtr] \n\t" + "addiu %[p_argb], %[p_argb], 8 \n\t" + "shra.ph %[temp2], %[temp2], 5 \n\t" + "subu.qb %[temp2], %[temp4], %[temp2] \n\t" + : [p_argb]"+&r"(p_argb), [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), + [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [temp4]"=&r"(temp4) + : [gtr]"r"(gtr) + : "memory", "hi", "lo" + ); + ++histo[(uint8_t)(temp2 >> 16)]; + ++histo[(uint8_t)temp2]; + } + if (tile_width & 1) { + ++histo[TransformColorRed(green_to_red, *p_argb)]; + } + } +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8LEncDspInitMIPSdspR2(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8LEncDspInitMIPSdspR2(void) { + VP8LSubtractGreenFromBlueAndRed = SubtractGreenFromBlueAndRed_MIPSdspR2; + VP8LTransformColor = TransformColor_MIPSdspR2; + VP8LCollectColorBlueTransforms = CollectColorBlueTransforms_MIPSdspR2; + VP8LCollectColorRedTransforms = CollectColorRedTransforms_MIPSdspR2; +} + +#else // !WEBP_USE_MIPS_DSP_R2 + +WEBP_DSP_INIT_STUB(VP8LEncDspInitMIPSdspR2) + +#endif // WEBP_USE_MIPS_DSP_R2 diff --git a/ProductApp/Pods/libwebp/src/dsp/lossless_enc_msa.c b/ProductApp/Pods/libwebp/src/dsp/lossless_enc_msa.c new file mode 100644 index 0000000..600dddf --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/lossless_enc_msa.c @@ -0,0 +1,148 @@ +// Copyright 2016 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// MSA variant of Image transform methods for lossless encoder. +// +// Authors: Prashant Patil (Prashant.Patil@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MSA) + +#include "src/dsp/lossless.h" +#include "src/dsp/msa_macro.h" + +#define TRANSFORM_COLOR_8(src0, src1, dst0, dst1, c0, c1, mask0, mask1) do { \ + v8i16 g0, g1, t0, t1, t2, t3; \ + v4i32 t4, t5; \ + VSHF_B2_SH(src0, src0, src1, src1, mask0, mask0, g0, g1); \ + DOTP_SB2_SH(g0, g1, c0, c0, t0, t1); \ + SRAI_H2_SH(t0, t1, 5); \ + t0 = __msa_subv_h((v8i16)src0, t0); \ + t1 = __msa_subv_h((v8i16)src1, t1); \ + t4 = __msa_srli_w((v4i32)src0, 16); \ + t5 = __msa_srli_w((v4i32)src1, 16); \ + DOTP_SB2_SH(t4, t5, c1, c1, t2, t3); \ + SRAI_H2_SH(t2, t3, 5); \ + SUB2(t0, t2, t1, t3, t0, t1); \ + VSHF_B2_UB(src0, t0, src1, t1, mask1, mask1, dst0, dst1); \ +} while (0) + +#define TRANSFORM_COLOR_4(src, dst, c0, c1, mask0, mask1) do { \ + const v16i8 g0 = VSHF_SB(src, src, mask0); \ + v8i16 t0 = __msa_dotp_s_h(c0, g0); \ + v8i16 t1; \ + v4i32 t2; \ + t0 = SRAI_H(t0, 5); \ + t0 = __msa_subv_h((v8i16)src, t0); \ + t2 = __msa_srli_w((v4i32)src, 16); \ + t1 = __msa_dotp_s_h(c1, (v16i8)t2); \ + t1 = SRAI_H(t1, 5); \ + t0 = t0 - t1; \ + dst = VSHF_UB(src, t0, mask1); \ +} while (0) + +static void TransformColor_MSA(const VP8LMultipliers* const m, uint32_t* data, + int num_pixels) { + v16u8 src0, dst0; + const v16i8 g2br = (v16i8)__msa_fill_w(m->green_to_blue_ | + (m->green_to_red_ << 16)); + const v16i8 r2b = (v16i8)__msa_fill_w(m->red_to_blue_); + const v16u8 mask0 = { 1, 255, 1, 255, 5, 255, 5, 255, 9, 255, 9, 255, + 13, 255, 13, 255 }; + const v16u8 mask1 = { 16, 1, 18, 3, 20, 5, 22, 7, 24, 9, 26, 11, + 28, 13, 30, 15 }; + + while (num_pixels >= 8) { + v16u8 src1, dst1; + LD_UB2(data, 4, src0, src1); + TRANSFORM_COLOR_8(src0, src1, dst0, dst1, g2br, r2b, mask0, mask1); + ST_UB2(dst0, dst1, data, 4); + data += 8; + num_pixels -= 8; + } + if (num_pixels > 0) { + if (num_pixels >= 4) { + src0 = LD_UB(data); + TRANSFORM_COLOR_4(src0, dst0, g2br, r2b, mask0, mask1); + ST_UB(dst0, data); + data += 4; + num_pixels -= 4; + } + if (num_pixels > 0) { + src0 = LD_UB(data); + TRANSFORM_COLOR_4(src0, dst0, g2br, r2b, mask0, mask1); + if (num_pixels == 3) { + const uint64_t pix_d = __msa_copy_s_d((v2i64)dst0, 0); + const uint32_t pix_w = __msa_copy_s_w((v4i32)dst0, 2); + SD(pix_d, data + 0); + SW(pix_w, data + 2); + } else if (num_pixels == 2) { + const uint64_t pix_d = __msa_copy_s_d((v2i64)dst0, 0); + SD(pix_d, data); + } else { + const uint32_t pix_w = __msa_copy_s_w((v4i32)dst0, 0); + SW(pix_w, data); + } + } + } +} + +static void SubtractGreenFromBlueAndRed_MSA(uint32_t* argb_data, + int num_pixels) { + int i; + uint8_t* ptemp_data = (uint8_t*)argb_data; + v16u8 src0, dst0, tmp0; + const v16u8 mask = { 1, 255, 1, 255, 5, 255, 5, 255, 9, 255, 9, 255, + 13, 255, 13, 255 }; + + while (num_pixels >= 8) { + v16u8 src1, dst1, tmp1; + LD_UB2(ptemp_data, 16, src0, src1); + VSHF_B2_UB(src0, src1, src1, src0, mask, mask, tmp0, tmp1); + SUB2(src0, tmp0, src1, tmp1, dst0, dst1); + ST_UB2(dst0, dst1, ptemp_data, 16); + ptemp_data += 8 * 4; + num_pixels -= 8; + } + if (num_pixels > 0) { + if (num_pixels >= 4) { + src0 = LD_UB(ptemp_data); + tmp0 = VSHF_UB(src0, src0, mask); + dst0 = src0 - tmp0; + ST_UB(dst0, ptemp_data); + ptemp_data += 4 * 4; + num_pixels -= 4; + } + for (i = 0; i < num_pixels; i++) { + const uint8_t b = ptemp_data[0]; + const uint8_t g = ptemp_data[1]; + const uint8_t r = ptemp_data[2]; + ptemp_data[0] = (b - g) & 0xff; + ptemp_data[2] = (r - g) & 0xff; + ptemp_data += 4; + } + } +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8LEncDspInitMSA(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8LEncDspInitMSA(void) { + VP8LSubtractGreenFromBlueAndRed = SubtractGreenFromBlueAndRed_MSA; + VP8LTransformColor = TransformColor_MSA; +} + +#else // !WEBP_USE_MSA + +WEBP_DSP_INIT_STUB(VP8LEncDspInitMSA) + +#endif // WEBP_USE_MSA diff --git a/ProductApp/Pods/libwebp/src/dsp/lossless_enc_neon.c b/ProductApp/Pods/libwebp/src/dsp/lossless_enc_neon.c new file mode 100644 index 0000000..e32c796 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/lossless_enc_neon.c @@ -0,0 +1,144 @@ +// Copyright 2015 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// NEON variant of methods for lossless encoder +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_NEON) + +#include + +#include "src/dsp/lossless.h" +#include "src/dsp/neon.h" + +//------------------------------------------------------------------------------ +// Subtract-Green Transform + +// vtbl?_u8 are marked unavailable for iOS arm64 with Xcode < 6.3, use +// non-standard versions there. +#if defined(__APPLE__) && WEBP_AARCH64 && \ + defined(__apple_build_version__) && (__apple_build_version__< 6020037) +#define USE_VTBLQ +#endif + +#ifdef USE_VTBLQ +// 255 = byte will be zeroed +static const uint8_t kGreenShuffle[16] = { + 1, 255, 1, 255, 5, 255, 5, 255, 9, 255, 9, 255, 13, 255, 13, 255 +}; + +static WEBP_INLINE uint8x16_t DoGreenShuffle_NEON(const uint8x16_t argb, + const uint8x16_t shuffle) { + return vcombine_u8(vtbl1q_u8(argb, vget_low_u8(shuffle)), + vtbl1q_u8(argb, vget_high_u8(shuffle))); +} +#else // !USE_VTBLQ +// 255 = byte will be zeroed +static const uint8_t kGreenShuffle[8] = { 1, 255, 1, 255, 5, 255, 5, 255 }; + +static WEBP_INLINE uint8x16_t DoGreenShuffle_NEON(const uint8x16_t argb, + const uint8x8_t shuffle) { + return vcombine_u8(vtbl1_u8(vget_low_u8(argb), shuffle), + vtbl1_u8(vget_high_u8(argb), shuffle)); +} +#endif // USE_VTBLQ + +static void SubtractGreenFromBlueAndRed_NEON(uint32_t* argb_data, + int num_pixels) { + const uint32_t* const end = argb_data + (num_pixels & ~3); +#ifdef USE_VTBLQ + const uint8x16_t shuffle = vld1q_u8(kGreenShuffle); +#else + const uint8x8_t shuffle = vld1_u8(kGreenShuffle); +#endif + for (; argb_data < end; argb_data += 4) { + const uint8x16_t argb = vld1q_u8((uint8_t*)argb_data); + const uint8x16_t greens = DoGreenShuffle_NEON(argb, shuffle); + vst1q_u8((uint8_t*)argb_data, vsubq_u8(argb, greens)); + } + // fallthrough and finish off with plain-C + VP8LSubtractGreenFromBlueAndRed_C(argb_data, num_pixels & 3); +} + +//------------------------------------------------------------------------------ +// Color Transform + +static void TransformColor_NEON(const VP8LMultipliers* const m, + uint32_t* argb_data, int num_pixels) { + // sign-extended multiplying constants, pre-shifted by 6. +#define CST(X) (((int16_t)(m->X << 8)) >> 6) + const int16_t rb[8] = { + CST(green_to_blue_), CST(green_to_red_), + CST(green_to_blue_), CST(green_to_red_), + CST(green_to_blue_), CST(green_to_red_), + CST(green_to_blue_), CST(green_to_red_) + }; + const int16x8_t mults_rb = vld1q_s16(rb); + const int16_t b2[8] = { + 0, CST(red_to_blue_), 0, CST(red_to_blue_), + 0, CST(red_to_blue_), 0, CST(red_to_blue_), + }; + const int16x8_t mults_b2 = vld1q_s16(b2); +#undef CST +#ifdef USE_VTBLQ + static const uint8_t kg0g0[16] = { + 255, 1, 255, 1, 255, 5, 255, 5, 255, 9, 255, 9, 255, 13, 255, 13 + }; + const uint8x16_t shuffle = vld1q_u8(kg0g0); +#else + static const uint8_t k0g0g[8] = { 255, 1, 255, 1, 255, 5, 255, 5 }; + const uint8x8_t shuffle = vld1_u8(k0g0g); +#endif + const uint32x4_t mask_rb = vdupq_n_u32(0x00ff00ffu); // red-blue masks + int i; + for (i = 0; i + 4 <= num_pixels; i += 4) { + const uint8x16_t in = vld1q_u8((uint8_t*)(argb_data + i)); + // 0 g 0 g + const uint8x16_t greens = DoGreenShuffle_NEON(in, shuffle); + // x dr x db1 + const int16x8_t A = vqdmulhq_s16(vreinterpretq_s16_u8(greens), mults_rb); + // r 0 b 0 + const int16x8_t B = vshlq_n_s16(vreinterpretq_s16_u8(in), 8); + // x db2 0 0 + const int16x8_t C = vqdmulhq_s16(B, mults_b2); + // 0 0 x db2 + const uint32x4_t D = vshrq_n_u32(vreinterpretq_u32_s16(C), 16); + // x dr x db + const int8x16_t E = vaddq_s8(vreinterpretq_s8_u32(D), + vreinterpretq_s8_s16(A)); + // 0 dr 0 db + const uint32x4_t F = vandq_u32(vreinterpretq_u32_s8(E), mask_rb); + const int8x16_t out = vsubq_s8(vreinterpretq_s8_u8(in), + vreinterpretq_s8_u32(F)); + vst1q_s8((int8_t*)(argb_data + i), out); + } + // fallthrough and finish off with plain-C + VP8LTransformColor_C(m, argb_data + i, num_pixels - i); +} + +#undef USE_VTBLQ + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8LEncDspInitNEON(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8LEncDspInitNEON(void) { + VP8LSubtractGreenFromBlueAndRed = SubtractGreenFromBlueAndRed_NEON; + VP8LTransformColor = TransformColor_NEON; +} + +#else // !WEBP_USE_NEON + +WEBP_DSP_INIT_STUB(VP8LEncDspInitNEON) + +#endif // WEBP_USE_NEON diff --git a/ProductApp/Pods/libwebp/src/dsp/lossless_enc_sse2.c b/ProductApp/Pods/libwebp/src/dsp/lossless_enc_sse2.c new file mode 100644 index 0000000..66cbaab --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/lossless_enc_sse2.c @@ -0,0 +1,669 @@ +// Copyright 2015 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// SSE2 variant of methods for lossless encoder +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_SSE2) +#include +#include +#include "src/dsp/lossless.h" +#include "src/dsp/common_sse2.h" +#include "src/dsp/lossless_common.h" + +// For sign-extended multiplying constants, pre-shifted by 5: +#define CST_5b(X) (((int16_t)((uint16_t)(X) << 8)) >> 5) + +//------------------------------------------------------------------------------ +// Subtract-Green Transform + +static void SubtractGreenFromBlueAndRed_SSE2(uint32_t* argb_data, + int num_pixels) { + int i; + for (i = 0; i + 4 <= num_pixels; i += 4) { + const __m128i in = _mm_loadu_si128((__m128i*)&argb_data[i]); // argb + const __m128i A = _mm_srli_epi16(in, 8); // 0 a 0 g + const __m128i B = _mm_shufflelo_epi16(A, _MM_SHUFFLE(2, 2, 0, 0)); + const __m128i C = _mm_shufflehi_epi16(B, _MM_SHUFFLE(2, 2, 0, 0)); // 0g0g + const __m128i out = _mm_sub_epi8(in, C); + _mm_storeu_si128((__m128i*)&argb_data[i], out); + } + // fallthrough and finish off with plain-C + if (i != num_pixels) { + VP8LSubtractGreenFromBlueAndRed_C(argb_data + i, num_pixels - i); + } +} + +//------------------------------------------------------------------------------ +// Color Transform + +#define MK_CST_16(HI, LO) \ + _mm_set1_epi32((int)(((uint32_t)(HI) << 16) | ((LO) & 0xffff))) + +static void TransformColor_SSE2(const VP8LMultipliers* const m, + uint32_t* argb_data, int num_pixels) { + const __m128i mults_rb = MK_CST_16(CST_5b(m->green_to_red_), + CST_5b(m->green_to_blue_)); + const __m128i mults_b2 = MK_CST_16(CST_5b(m->red_to_blue_), 0); + const __m128i mask_ag = _mm_set1_epi32((int)0xff00ff00); // alpha-green masks + const __m128i mask_rb = _mm_set1_epi32(0x00ff00ff); // red-blue masks + int i; + for (i = 0; i + 4 <= num_pixels; i += 4) { + const __m128i in = _mm_loadu_si128((__m128i*)&argb_data[i]); // argb + const __m128i A = _mm_and_si128(in, mask_ag); // a 0 g 0 + const __m128i B = _mm_shufflelo_epi16(A, _MM_SHUFFLE(2, 2, 0, 0)); + const __m128i C = _mm_shufflehi_epi16(B, _MM_SHUFFLE(2, 2, 0, 0)); // g0g0 + const __m128i D = _mm_mulhi_epi16(C, mults_rb); // x dr x db1 + const __m128i E = _mm_slli_epi16(in, 8); // r 0 b 0 + const __m128i F = _mm_mulhi_epi16(E, mults_b2); // x db2 0 0 + const __m128i G = _mm_srli_epi32(F, 16); // 0 0 x db2 + const __m128i H = _mm_add_epi8(G, D); // x dr x db + const __m128i I = _mm_and_si128(H, mask_rb); // 0 dr 0 db + const __m128i out = _mm_sub_epi8(in, I); + _mm_storeu_si128((__m128i*)&argb_data[i], out); + } + // fallthrough and finish off with plain-C + if (i != num_pixels) { + VP8LTransformColor_C(m, argb_data + i, num_pixels - i); + } +} + +//------------------------------------------------------------------------------ +#define SPAN 8 +static void CollectColorBlueTransforms_SSE2(const uint32_t* argb, int stride, + int tile_width, int tile_height, + int green_to_blue, int red_to_blue, + int histo[]) { + const __m128i mults_r = MK_CST_16(CST_5b(red_to_blue), 0); + const __m128i mults_g = MK_CST_16(0, CST_5b(green_to_blue)); + const __m128i mask_g = _mm_set1_epi32(0x00ff00); // green mask + const __m128i mask_b = _mm_set1_epi32(0x0000ff); // blue mask + int y; + for (y = 0; y < tile_height; ++y) { + const uint32_t* const src = argb + y * stride; + int i, x; + for (x = 0; x + SPAN <= tile_width; x += SPAN) { + uint16_t values[SPAN]; + const __m128i in0 = _mm_loadu_si128((__m128i*)&src[x + 0]); + const __m128i in1 = _mm_loadu_si128((__m128i*)&src[x + SPAN / 2]); + const __m128i A0 = _mm_slli_epi16(in0, 8); // r 0 | b 0 + const __m128i A1 = _mm_slli_epi16(in1, 8); + const __m128i B0 = _mm_and_si128(in0, mask_g); // 0 0 | g 0 + const __m128i B1 = _mm_and_si128(in1, mask_g); + const __m128i C0 = _mm_mulhi_epi16(A0, mults_r); // x db | 0 0 + const __m128i C1 = _mm_mulhi_epi16(A1, mults_r); + const __m128i D0 = _mm_mulhi_epi16(B0, mults_g); // 0 0 | x db + const __m128i D1 = _mm_mulhi_epi16(B1, mults_g); + const __m128i E0 = _mm_sub_epi8(in0, D0); // x x | x b' + const __m128i E1 = _mm_sub_epi8(in1, D1); + const __m128i F0 = _mm_srli_epi32(C0, 16); // 0 0 | x db + const __m128i F1 = _mm_srli_epi32(C1, 16); + const __m128i G0 = _mm_sub_epi8(E0, F0); // 0 0 | x b' + const __m128i G1 = _mm_sub_epi8(E1, F1); + const __m128i H0 = _mm_and_si128(G0, mask_b); // 0 0 | 0 b + const __m128i H1 = _mm_and_si128(G1, mask_b); + const __m128i I = _mm_packs_epi32(H0, H1); // 0 b' | 0 b' + _mm_storeu_si128((__m128i*)values, I); + for (i = 0; i < SPAN; ++i) ++histo[values[i]]; + } + } + { + const int left_over = tile_width & (SPAN - 1); + if (left_over > 0) { + VP8LCollectColorBlueTransforms_C(argb + tile_width - left_over, stride, + left_over, tile_height, + green_to_blue, red_to_blue, histo); + } + } +} + +static void CollectColorRedTransforms_SSE2(const uint32_t* argb, int stride, + int tile_width, int tile_height, + int green_to_red, int histo[]) { + const __m128i mults_g = MK_CST_16(0, CST_5b(green_to_red)); + const __m128i mask_g = _mm_set1_epi32(0x00ff00); // green mask + const __m128i mask = _mm_set1_epi32(0xff); + + int y; + for (y = 0; y < tile_height; ++y) { + const uint32_t* const src = argb + y * stride; + int i, x; + for (x = 0; x + SPAN <= tile_width; x += SPAN) { + uint16_t values[SPAN]; + const __m128i in0 = _mm_loadu_si128((__m128i*)&src[x + 0]); + const __m128i in1 = _mm_loadu_si128((__m128i*)&src[x + SPAN / 2]); + const __m128i A0 = _mm_and_si128(in0, mask_g); // 0 0 | g 0 + const __m128i A1 = _mm_and_si128(in1, mask_g); + const __m128i B0 = _mm_srli_epi32(in0, 16); // 0 0 | x r + const __m128i B1 = _mm_srli_epi32(in1, 16); + const __m128i C0 = _mm_mulhi_epi16(A0, mults_g); // 0 0 | x dr + const __m128i C1 = _mm_mulhi_epi16(A1, mults_g); + const __m128i E0 = _mm_sub_epi8(B0, C0); // x x | x r' + const __m128i E1 = _mm_sub_epi8(B1, C1); + const __m128i F0 = _mm_and_si128(E0, mask); // 0 0 | 0 r' + const __m128i F1 = _mm_and_si128(E1, mask); + const __m128i I = _mm_packs_epi32(F0, F1); + _mm_storeu_si128((__m128i*)values, I); + for (i = 0; i < SPAN; ++i) ++histo[values[i]]; + } + } + { + const int left_over = tile_width & (SPAN - 1); + if (left_over > 0) { + VP8LCollectColorRedTransforms_C(argb + tile_width - left_over, stride, + left_over, tile_height, + green_to_red, histo); + } + } +} +#undef SPAN +#undef MK_CST_16 + +//------------------------------------------------------------------------------ + +// Note we are adding uint32_t's as *signed* int32's (using _mm_add_epi32). But +// that's ok since the histogram values are less than 1<<28 (max picture size). +#define LINE_SIZE 16 // 8 or 16 +static void AddVector_SSE2(const uint32_t* a, const uint32_t* b, uint32_t* out, + int size) { + int i; + for (i = 0; i + LINE_SIZE <= size; i += LINE_SIZE) { + const __m128i a0 = _mm_loadu_si128((const __m128i*)&a[i + 0]); + const __m128i a1 = _mm_loadu_si128((const __m128i*)&a[i + 4]); +#if (LINE_SIZE == 16) + const __m128i a2 = _mm_loadu_si128((const __m128i*)&a[i + 8]); + const __m128i a3 = _mm_loadu_si128((const __m128i*)&a[i + 12]); +#endif + const __m128i b0 = _mm_loadu_si128((const __m128i*)&b[i + 0]); + const __m128i b1 = _mm_loadu_si128((const __m128i*)&b[i + 4]); +#if (LINE_SIZE == 16) + const __m128i b2 = _mm_loadu_si128((const __m128i*)&b[i + 8]); + const __m128i b3 = _mm_loadu_si128((const __m128i*)&b[i + 12]); +#endif + _mm_storeu_si128((__m128i*)&out[i + 0], _mm_add_epi32(a0, b0)); + _mm_storeu_si128((__m128i*)&out[i + 4], _mm_add_epi32(a1, b1)); +#if (LINE_SIZE == 16) + _mm_storeu_si128((__m128i*)&out[i + 8], _mm_add_epi32(a2, b2)); + _mm_storeu_si128((__m128i*)&out[i + 12], _mm_add_epi32(a3, b3)); +#endif + } + for (; i < size; ++i) { + out[i] = a[i] + b[i]; + } +} + +static void AddVectorEq_SSE2(const uint32_t* a, uint32_t* out, int size) { + int i; + for (i = 0; i + LINE_SIZE <= size; i += LINE_SIZE) { + const __m128i a0 = _mm_loadu_si128((const __m128i*)&a[i + 0]); + const __m128i a1 = _mm_loadu_si128((const __m128i*)&a[i + 4]); +#if (LINE_SIZE == 16) + const __m128i a2 = _mm_loadu_si128((const __m128i*)&a[i + 8]); + const __m128i a3 = _mm_loadu_si128((const __m128i*)&a[i + 12]); +#endif + const __m128i b0 = _mm_loadu_si128((const __m128i*)&out[i + 0]); + const __m128i b1 = _mm_loadu_si128((const __m128i*)&out[i + 4]); +#if (LINE_SIZE == 16) + const __m128i b2 = _mm_loadu_si128((const __m128i*)&out[i + 8]); + const __m128i b3 = _mm_loadu_si128((const __m128i*)&out[i + 12]); +#endif + _mm_storeu_si128((__m128i*)&out[i + 0], _mm_add_epi32(a0, b0)); + _mm_storeu_si128((__m128i*)&out[i + 4], _mm_add_epi32(a1, b1)); +#if (LINE_SIZE == 16) + _mm_storeu_si128((__m128i*)&out[i + 8], _mm_add_epi32(a2, b2)); + _mm_storeu_si128((__m128i*)&out[i + 12], _mm_add_epi32(a3, b3)); +#endif + } + for (; i < size; ++i) { + out[i] += a[i]; + } +} +#undef LINE_SIZE + +//------------------------------------------------------------------------------ +// Entropy + +// TODO(https://crbug.com/webp/499): this function produces different results +// from the C code due to use of double/float resulting in output differences +// when compared to -noasm. +#if !(defined(WEBP_HAVE_SLOW_CLZ_CTZ) || defined(__i386__) || defined(_M_IX86)) + +static float CombinedShannonEntropy_SSE2(const int X[256], const int Y[256]) { + int i; + float retval = 0.f; + int sumX = 0, sumXY = 0; + const __m128i zero = _mm_setzero_si128(); + + for (i = 0; i < 256; i += 16) { + const __m128i x0 = _mm_loadu_si128((const __m128i*)(X + i + 0)); + const __m128i y0 = _mm_loadu_si128((const __m128i*)(Y + i + 0)); + const __m128i x1 = _mm_loadu_si128((const __m128i*)(X + i + 4)); + const __m128i y1 = _mm_loadu_si128((const __m128i*)(Y + i + 4)); + const __m128i x2 = _mm_loadu_si128((const __m128i*)(X + i + 8)); + const __m128i y2 = _mm_loadu_si128((const __m128i*)(Y + i + 8)); + const __m128i x3 = _mm_loadu_si128((const __m128i*)(X + i + 12)); + const __m128i y3 = _mm_loadu_si128((const __m128i*)(Y + i + 12)); + const __m128i x4 = _mm_packs_epi16(_mm_packs_epi32(x0, x1), + _mm_packs_epi32(x2, x3)); + const __m128i y4 = _mm_packs_epi16(_mm_packs_epi32(y0, y1), + _mm_packs_epi32(y2, y3)); + const int32_t mx = _mm_movemask_epi8(_mm_cmpgt_epi8(x4, zero)); + int32_t my = _mm_movemask_epi8(_mm_cmpgt_epi8(y4, zero)) | mx; + while (my) { + const int32_t j = BitsCtz(my); + int xy; + if ((mx >> j) & 1) { + const int x = X[i + j]; + sumXY += x; + retval -= VP8LFastSLog2(x); + } + xy = X[i + j] + Y[i + j]; + sumX += xy; + retval -= VP8LFastSLog2(xy); + my &= my - 1; + } + } + retval += VP8LFastSLog2(sumX) + VP8LFastSLog2(sumXY); + return retval; +} + +#else + +#define DONT_USE_COMBINED_SHANNON_ENTROPY_SSE2_FUNC // won't be faster + +#endif + +//------------------------------------------------------------------------------ + +static int VectorMismatch_SSE2(const uint32_t* const array1, + const uint32_t* const array2, int length) { + int match_len; + + if (length >= 12) { + __m128i A0 = _mm_loadu_si128((const __m128i*)&array1[0]); + __m128i A1 = _mm_loadu_si128((const __m128i*)&array2[0]); + match_len = 0; + do { + // Loop unrolling and early load both provide a speedup of 10% for the + // current function. Also, max_limit can be MAX_LENGTH=4096 at most. + const __m128i cmpA = _mm_cmpeq_epi32(A0, A1); + const __m128i B0 = + _mm_loadu_si128((const __m128i*)&array1[match_len + 4]); + const __m128i B1 = + _mm_loadu_si128((const __m128i*)&array2[match_len + 4]); + if (_mm_movemask_epi8(cmpA) != 0xffff) break; + match_len += 4; + + { + const __m128i cmpB = _mm_cmpeq_epi32(B0, B1); + A0 = _mm_loadu_si128((const __m128i*)&array1[match_len + 4]); + A1 = _mm_loadu_si128((const __m128i*)&array2[match_len + 4]); + if (_mm_movemask_epi8(cmpB) != 0xffff) break; + match_len += 4; + } + } while (match_len + 12 < length); + } else { + match_len = 0; + // Unroll the potential first two loops. + if (length >= 4 && + _mm_movemask_epi8(_mm_cmpeq_epi32( + _mm_loadu_si128((const __m128i*)&array1[0]), + _mm_loadu_si128((const __m128i*)&array2[0]))) == 0xffff) { + match_len = 4; + if (length >= 8 && + _mm_movemask_epi8(_mm_cmpeq_epi32( + _mm_loadu_si128((const __m128i*)&array1[4]), + _mm_loadu_si128((const __m128i*)&array2[4]))) == 0xffff) { + match_len = 8; + } + } + } + + while (match_len < length && array1[match_len] == array2[match_len]) { + ++match_len; + } + return match_len; +} + +// Bundles multiple (1, 2, 4 or 8) pixels into a single pixel. +static void BundleColorMap_SSE2(const uint8_t* const row, int width, int xbits, + uint32_t* dst) { + int x; + assert(xbits >= 0); + assert(xbits <= 3); + switch (xbits) { + case 0: { + const __m128i ff = _mm_set1_epi16((short)0xff00); + const __m128i zero = _mm_setzero_si128(); + // Store 0xff000000 | (row[x] << 8). + for (x = 0; x + 16 <= width; x += 16, dst += 16) { + const __m128i in = _mm_loadu_si128((const __m128i*)&row[x]); + const __m128i in_lo = _mm_unpacklo_epi8(zero, in); + const __m128i dst0 = _mm_unpacklo_epi16(in_lo, ff); + const __m128i dst1 = _mm_unpackhi_epi16(in_lo, ff); + const __m128i in_hi = _mm_unpackhi_epi8(zero, in); + const __m128i dst2 = _mm_unpacklo_epi16(in_hi, ff); + const __m128i dst3 = _mm_unpackhi_epi16(in_hi, ff); + _mm_storeu_si128((__m128i*)&dst[0], dst0); + _mm_storeu_si128((__m128i*)&dst[4], dst1); + _mm_storeu_si128((__m128i*)&dst[8], dst2); + _mm_storeu_si128((__m128i*)&dst[12], dst3); + } + break; + } + case 1: { + const __m128i ff = _mm_set1_epi16((short)0xff00); + const __m128i mul = _mm_set1_epi16(0x110); + for (x = 0; x + 16 <= width; x += 16, dst += 8) { + // 0a0b | (where a/b are 4 bits). + const __m128i in = _mm_loadu_si128((const __m128i*)&row[x]); + const __m128i tmp = _mm_mullo_epi16(in, mul); // aba0 + const __m128i pack = _mm_and_si128(tmp, ff); // ab00 + const __m128i dst0 = _mm_unpacklo_epi16(pack, ff); + const __m128i dst1 = _mm_unpackhi_epi16(pack, ff); + _mm_storeu_si128((__m128i*)&dst[0], dst0); + _mm_storeu_si128((__m128i*)&dst[4], dst1); + } + break; + } + case 2: { + const __m128i mask_or = _mm_set1_epi32((int)0xff000000); + const __m128i mul_cst = _mm_set1_epi16(0x0104); + const __m128i mask_mul = _mm_set1_epi16(0x0f00); + for (x = 0; x + 16 <= width; x += 16, dst += 4) { + // 000a000b000c000d | (where a/b/c/d are 2 bits). + const __m128i in = _mm_loadu_si128((const __m128i*)&row[x]); + const __m128i mul = _mm_mullo_epi16(in, mul_cst); // 00ab00b000cd00d0 + const __m128i tmp = _mm_and_si128(mul, mask_mul); // 00ab000000cd0000 + const __m128i shift = _mm_srli_epi32(tmp, 12); // 00000000ab000000 + const __m128i pack = _mm_or_si128(shift, tmp); // 00000000abcd0000 + // Convert to 0xff00**00. + const __m128i res = _mm_or_si128(pack, mask_or); + _mm_storeu_si128((__m128i*)dst, res); + } + break; + } + default: { + assert(xbits == 3); + for (x = 0; x + 16 <= width; x += 16, dst += 2) { + // 0000000a00000000b... | (where a/b are 1 bit). + const __m128i in = _mm_loadu_si128((const __m128i*)&row[x]); + const __m128i shift = _mm_slli_epi64(in, 7); + const uint32_t move = _mm_movemask_epi8(shift); + dst[0] = 0xff000000 | ((move & 0xff) << 8); + dst[1] = 0xff000000 | (move & 0xff00); + } + break; + } + } + if (x != width) { + VP8LBundleColorMap_C(row + x, width - x, xbits, dst); + } +} + +//------------------------------------------------------------------------------ +// Batch version of Predictor Transform subtraction + +static WEBP_INLINE void Average2_m128i(const __m128i* const a0, + const __m128i* const a1, + __m128i* const avg) { + // (a + b) >> 1 = ((a + b + 1) >> 1) - ((a ^ b) & 1) + const __m128i ones = _mm_set1_epi8(1); + const __m128i avg1 = _mm_avg_epu8(*a0, *a1); + const __m128i one = _mm_and_si128(_mm_xor_si128(*a0, *a1), ones); + *avg = _mm_sub_epi8(avg1, one); +} + +// Predictor0: ARGB_BLACK. +static void PredictorSub0_SSE2(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + const __m128i black = _mm_set1_epi32((int)ARGB_BLACK); + for (i = 0; i + 4 <= num_pixels; i += 4) { + const __m128i src = _mm_loadu_si128((const __m128i*)&in[i]); + const __m128i res = _mm_sub_epi8(src, black); + _mm_storeu_si128((__m128i*)&out[i], res); + } + if (i != num_pixels) { + VP8LPredictorsSub_C[0](in + i, NULL, num_pixels - i, out + i); + } + (void)upper; +} + +#define GENERATE_PREDICTOR_1(X, IN) \ + static void PredictorSub##X##_SSE2(const uint32_t* const in, \ + const uint32_t* const upper, \ + int num_pixels, uint32_t* const out) { \ + int i; \ + for (i = 0; i + 4 <= num_pixels; i += 4) { \ + const __m128i src = _mm_loadu_si128((const __m128i*)&in[i]); \ + const __m128i pred = _mm_loadu_si128((const __m128i*)&(IN)); \ + const __m128i res = _mm_sub_epi8(src, pred); \ + _mm_storeu_si128((__m128i*)&out[i], res); \ + } \ + if (i != num_pixels) { \ + VP8LPredictorsSub_C[(X)](in + i, WEBP_OFFSET_PTR(upper, i), \ + num_pixels - i, out + i); \ + } \ + } + +GENERATE_PREDICTOR_1(1, in[i - 1]) // Predictor1: L +GENERATE_PREDICTOR_1(2, upper[i]) // Predictor2: T +GENERATE_PREDICTOR_1(3, upper[i + 1]) // Predictor3: TR +GENERATE_PREDICTOR_1(4, upper[i - 1]) // Predictor4: TL +#undef GENERATE_PREDICTOR_1 + +// Predictor5: avg2(avg2(L, TR), T) +static void PredictorSub5_SSE2(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + for (i = 0; i + 4 <= num_pixels; i += 4) { + const __m128i L = _mm_loadu_si128((const __m128i*)&in[i - 1]); + const __m128i T = _mm_loadu_si128((const __m128i*)&upper[i]); + const __m128i TR = _mm_loadu_si128((const __m128i*)&upper[i + 1]); + const __m128i src = _mm_loadu_si128((const __m128i*)&in[i]); + __m128i avg, pred, res; + Average2_m128i(&L, &TR, &avg); + Average2_m128i(&avg, &T, &pred); + res = _mm_sub_epi8(src, pred); + _mm_storeu_si128((__m128i*)&out[i], res); + } + if (i != num_pixels) { + VP8LPredictorsSub_C[5](in + i, upper + i, num_pixels - i, out + i); + } +} + +#define GENERATE_PREDICTOR_2(X, A, B) \ +static void PredictorSub##X##_SSE2(const uint32_t* in, const uint32_t* upper, \ + int num_pixels, uint32_t* out) { \ + int i; \ + for (i = 0; i + 4 <= num_pixels; i += 4) { \ + const __m128i tA = _mm_loadu_si128((const __m128i*)&(A)); \ + const __m128i tB = _mm_loadu_si128((const __m128i*)&(B)); \ + const __m128i src = _mm_loadu_si128((const __m128i*)&in[i]); \ + __m128i pred, res; \ + Average2_m128i(&tA, &tB, &pred); \ + res = _mm_sub_epi8(src, pred); \ + _mm_storeu_si128((__m128i*)&out[i], res); \ + } \ + if (i != num_pixels) { \ + VP8LPredictorsSub_C[(X)](in + i, upper + i, num_pixels - i, out + i); \ + } \ +} + +GENERATE_PREDICTOR_2(6, in[i - 1], upper[i - 1]) // Predictor6: avg(L, TL) +GENERATE_PREDICTOR_2(7, in[i - 1], upper[i]) // Predictor7: avg(L, T) +GENERATE_PREDICTOR_2(8, upper[i - 1], upper[i]) // Predictor8: avg(TL, T) +GENERATE_PREDICTOR_2(9, upper[i], upper[i + 1]) // Predictor9: average(T, TR) +#undef GENERATE_PREDICTOR_2 + +// Predictor10: avg(avg(L,TL), avg(T, TR)). +static void PredictorSub10_SSE2(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + for (i = 0; i + 4 <= num_pixels; i += 4) { + const __m128i L = _mm_loadu_si128((const __m128i*)&in[i - 1]); + const __m128i src = _mm_loadu_si128((const __m128i*)&in[i]); + const __m128i TL = _mm_loadu_si128((const __m128i*)&upper[i - 1]); + const __m128i T = _mm_loadu_si128((const __m128i*)&upper[i]); + const __m128i TR = _mm_loadu_si128((const __m128i*)&upper[i + 1]); + __m128i avgTTR, avgLTL, avg, res; + Average2_m128i(&T, &TR, &avgTTR); + Average2_m128i(&L, &TL, &avgLTL); + Average2_m128i(&avgTTR, &avgLTL, &avg); + res = _mm_sub_epi8(src, avg); + _mm_storeu_si128((__m128i*)&out[i], res); + } + if (i != num_pixels) { + VP8LPredictorsSub_C[10](in + i, upper + i, num_pixels - i, out + i); + } +} + +// Predictor11: select. +static void GetSumAbsDiff32_SSE2(const __m128i* const A, const __m128i* const B, + __m128i* const out) { + // We can unpack with any value on the upper 32 bits, provided it's the same + // on both operands (to that their sum of abs diff is zero). Here we use *A. + const __m128i A_lo = _mm_unpacklo_epi32(*A, *A); + const __m128i B_lo = _mm_unpacklo_epi32(*B, *A); + const __m128i A_hi = _mm_unpackhi_epi32(*A, *A); + const __m128i B_hi = _mm_unpackhi_epi32(*B, *A); + const __m128i s_lo = _mm_sad_epu8(A_lo, B_lo); + const __m128i s_hi = _mm_sad_epu8(A_hi, B_hi); + *out = _mm_packs_epi32(s_lo, s_hi); +} + +static void PredictorSub11_SSE2(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + for (i = 0; i + 4 <= num_pixels; i += 4) { + const __m128i L = _mm_loadu_si128((const __m128i*)&in[i - 1]); + const __m128i T = _mm_loadu_si128((const __m128i*)&upper[i]); + const __m128i TL = _mm_loadu_si128((const __m128i*)&upper[i - 1]); + const __m128i src = _mm_loadu_si128((const __m128i*)&in[i]); + __m128i pa, pb; + GetSumAbsDiff32_SSE2(&T, &TL, &pa); // pa = sum |T-TL| + GetSumAbsDiff32_SSE2(&L, &TL, &pb); // pb = sum |L-TL| + { + const __m128i mask = _mm_cmpgt_epi32(pb, pa); + const __m128i A = _mm_and_si128(mask, L); + const __m128i B = _mm_andnot_si128(mask, T); + const __m128i pred = _mm_or_si128(A, B); // pred = (L > T)? L : T + const __m128i res = _mm_sub_epi8(src, pred); + _mm_storeu_si128((__m128i*)&out[i], res); + } + } + if (i != num_pixels) { + VP8LPredictorsSub_C[11](in + i, upper + i, num_pixels - i, out + i); + } +} + +// Predictor12: ClampedSubSubtractFull. +static void PredictorSub12_SSE2(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + const __m128i zero = _mm_setzero_si128(); + for (i = 0; i + 4 <= num_pixels; i += 4) { + const __m128i src = _mm_loadu_si128((const __m128i*)&in[i]); + const __m128i L = _mm_loadu_si128((const __m128i*)&in[i - 1]); + const __m128i L_lo = _mm_unpacklo_epi8(L, zero); + const __m128i L_hi = _mm_unpackhi_epi8(L, zero); + const __m128i T = _mm_loadu_si128((const __m128i*)&upper[i]); + const __m128i T_lo = _mm_unpacklo_epi8(T, zero); + const __m128i T_hi = _mm_unpackhi_epi8(T, zero); + const __m128i TL = _mm_loadu_si128((const __m128i*)&upper[i - 1]); + const __m128i TL_lo = _mm_unpacklo_epi8(TL, zero); + const __m128i TL_hi = _mm_unpackhi_epi8(TL, zero); + const __m128i diff_lo = _mm_sub_epi16(T_lo, TL_lo); + const __m128i diff_hi = _mm_sub_epi16(T_hi, TL_hi); + const __m128i pred_lo = _mm_add_epi16(L_lo, diff_lo); + const __m128i pred_hi = _mm_add_epi16(L_hi, diff_hi); + const __m128i pred = _mm_packus_epi16(pred_lo, pred_hi); + const __m128i res = _mm_sub_epi8(src, pred); + _mm_storeu_si128((__m128i*)&out[i], res); + } + if (i != num_pixels) { + VP8LPredictorsSub_C[12](in + i, upper + i, num_pixels - i, out + i); + } +} + +// Predictors13: ClampedAddSubtractHalf +static void PredictorSub13_SSE2(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + const __m128i zero = _mm_setzero_si128(); + for (i = 0; i + 2 <= num_pixels; i += 2) { + // we can only process two pixels at a time + const __m128i L = _mm_loadl_epi64((const __m128i*)&in[i - 1]); + const __m128i src = _mm_loadl_epi64((const __m128i*)&in[i]); + const __m128i T = _mm_loadl_epi64((const __m128i*)&upper[i]); + const __m128i TL = _mm_loadl_epi64((const __m128i*)&upper[i - 1]); + const __m128i L_lo = _mm_unpacklo_epi8(L, zero); + const __m128i T_lo = _mm_unpacklo_epi8(T, zero); + const __m128i TL_lo = _mm_unpacklo_epi8(TL, zero); + const __m128i sum = _mm_add_epi16(T_lo, L_lo); + const __m128i avg = _mm_srli_epi16(sum, 1); + const __m128i A1 = _mm_sub_epi16(avg, TL_lo); + const __m128i bit_fix = _mm_cmpgt_epi16(TL_lo, avg); + const __m128i A2 = _mm_sub_epi16(A1, bit_fix); + const __m128i A3 = _mm_srai_epi16(A2, 1); + const __m128i A4 = _mm_add_epi16(avg, A3); + const __m128i pred = _mm_packus_epi16(A4, A4); + const __m128i res = _mm_sub_epi8(src, pred); + _mm_storel_epi64((__m128i*)&out[i], res); + } + if (i != num_pixels) { + VP8LPredictorsSub_C[13](in + i, upper + i, num_pixels - i, out + i); + } +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8LEncDspInitSSE2(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8LEncDspInitSSE2(void) { + VP8LSubtractGreenFromBlueAndRed = SubtractGreenFromBlueAndRed_SSE2; + VP8LTransformColor = TransformColor_SSE2; + VP8LCollectColorBlueTransforms = CollectColorBlueTransforms_SSE2; + VP8LCollectColorRedTransforms = CollectColorRedTransforms_SSE2; + VP8LAddVector = AddVector_SSE2; + VP8LAddVectorEq = AddVectorEq_SSE2; +#if !defined(DONT_USE_COMBINED_SHANNON_ENTROPY_SSE2_FUNC) + VP8LCombinedShannonEntropy = CombinedShannonEntropy_SSE2; +#endif + VP8LVectorMismatch = VectorMismatch_SSE2; + VP8LBundleColorMap = BundleColorMap_SSE2; + + VP8LPredictorsSub[0] = PredictorSub0_SSE2; + VP8LPredictorsSub[1] = PredictorSub1_SSE2; + VP8LPredictorsSub[2] = PredictorSub2_SSE2; + VP8LPredictorsSub[3] = PredictorSub3_SSE2; + VP8LPredictorsSub[4] = PredictorSub4_SSE2; + VP8LPredictorsSub[5] = PredictorSub5_SSE2; + VP8LPredictorsSub[6] = PredictorSub6_SSE2; + VP8LPredictorsSub[7] = PredictorSub7_SSE2; + VP8LPredictorsSub[8] = PredictorSub8_SSE2; + VP8LPredictorsSub[9] = PredictorSub9_SSE2; + VP8LPredictorsSub[10] = PredictorSub10_SSE2; + VP8LPredictorsSub[11] = PredictorSub11_SSE2; + VP8LPredictorsSub[12] = PredictorSub12_SSE2; + VP8LPredictorsSub[13] = PredictorSub13_SSE2; + VP8LPredictorsSub[14] = PredictorSub0_SSE2; // <- padding security sentinels + VP8LPredictorsSub[15] = PredictorSub0_SSE2; +} + +#else // !WEBP_USE_SSE2 + +WEBP_DSP_INIT_STUB(VP8LEncDspInitSSE2) + +#endif // WEBP_USE_SSE2 diff --git a/ProductApp/Pods/libwebp/src/dsp/lossless_enc_sse41.c b/ProductApp/Pods/libwebp/src/dsp/lossless_enc_sse41.c new file mode 100644 index 0000000..ad358a6 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/lossless_enc_sse41.c @@ -0,0 +1,155 @@ +// Copyright 2015 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// SSE4.1 variant of methods for lossless encoder +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_SSE41) +#include +#include +#include "src/dsp/lossless.h" + +// For sign-extended multiplying constants, pre-shifted by 5: +#define CST_5b(X) (((int16_t)((uint16_t)(X) << 8)) >> 5) + +//------------------------------------------------------------------------------ +// Subtract-Green Transform + +static void SubtractGreenFromBlueAndRed_SSE41(uint32_t* argb_data, + int num_pixels) { + int i; + const __m128i kCstShuffle = _mm_set_epi8(-1, 13, -1, 13, -1, 9, -1, 9, + -1, 5, -1, 5, -1, 1, -1, 1); + for (i = 0; i + 4 <= num_pixels; i += 4) { + const __m128i in = _mm_loadu_si128((__m128i*)&argb_data[i]); + const __m128i in_0g0g = _mm_shuffle_epi8(in, kCstShuffle); + const __m128i out = _mm_sub_epi8(in, in_0g0g); + _mm_storeu_si128((__m128i*)&argb_data[i], out); + } + // fallthrough and finish off with plain-C + if (i != num_pixels) { + VP8LSubtractGreenFromBlueAndRed_C(argb_data + i, num_pixels - i); + } +} + +//------------------------------------------------------------------------------ +// Color Transform + +#define MK_CST_16(HI, LO) \ + _mm_set1_epi32((int)(((uint32_t)(HI) << 16) | ((LO) & 0xffff))) + +static void CollectColorBlueTransforms_SSE41(const uint32_t* argb, int stride, + int tile_width, int tile_height, + int green_to_blue, int red_to_blue, + int histo[]) { + const __m128i mult = + MK_CST_16(CST_5b(red_to_blue) + 256,CST_5b(green_to_blue)); + const __m128i perm = + _mm_setr_epi8(-1, 1, -1, 2, -1, 5, -1, 6, -1, 9, -1, 10, -1, 13, -1, 14); + if (tile_width >= 4) { + int y; + for (y = 0; y < tile_height; ++y) { + const uint32_t* const src = argb + y * stride; + const __m128i A1 = _mm_loadu_si128((const __m128i*)src); + const __m128i B1 = _mm_shuffle_epi8(A1, perm); + const __m128i C1 = _mm_mulhi_epi16(B1, mult); + const __m128i D1 = _mm_sub_epi16(A1, C1); + __m128i E = _mm_add_epi16(_mm_srli_epi32(D1, 16), D1); + int x; + for (x = 4; x + 4 <= tile_width; x += 4) { + const __m128i A2 = _mm_loadu_si128((const __m128i*)(src + x)); + __m128i B2, C2, D2; + ++histo[_mm_extract_epi8(E, 0)]; + B2 = _mm_shuffle_epi8(A2, perm); + ++histo[_mm_extract_epi8(E, 4)]; + C2 = _mm_mulhi_epi16(B2, mult); + ++histo[_mm_extract_epi8(E, 8)]; + D2 = _mm_sub_epi16(A2, C2); + ++histo[_mm_extract_epi8(E, 12)]; + E = _mm_add_epi16(_mm_srli_epi32(D2, 16), D2); + } + ++histo[_mm_extract_epi8(E, 0)]; + ++histo[_mm_extract_epi8(E, 4)]; + ++histo[_mm_extract_epi8(E, 8)]; + ++histo[_mm_extract_epi8(E, 12)]; + } + } + { + const int left_over = tile_width & 3; + if (left_over > 0) { + VP8LCollectColorBlueTransforms_C(argb + tile_width - left_over, stride, + left_over, tile_height, + green_to_blue, red_to_blue, histo); + } + } +} + +static void CollectColorRedTransforms_SSE41(const uint32_t* argb, int stride, + int tile_width, int tile_height, + int green_to_red, int histo[]) { + + const __m128i mult = MK_CST_16(0, CST_5b(green_to_red)); + const __m128i mask_g = _mm_set1_epi32(0x0000ff00); + if (tile_width >= 4) { + int y; + for (y = 0; y < tile_height; ++y) { + const uint32_t* const src = argb + y * stride; + const __m128i A1 = _mm_loadu_si128((const __m128i*)src); + const __m128i B1 = _mm_and_si128(A1, mask_g); + const __m128i C1 = _mm_madd_epi16(B1, mult); + __m128i D = _mm_sub_epi16(A1, C1); + int x; + for (x = 4; x + 4 <= tile_width; x += 4) { + const __m128i A2 = _mm_loadu_si128((const __m128i*)(src + x)); + __m128i B2, C2; + ++histo[_mm_extract_epi8(D, 2)]; + B2 = _mm_and_si128(A2, mask_g); + ++histo[_mm_extract_epi8(D, 6)]; + C2 = _mm_madd_epi16(B2, mult); + ++histo[_mm_extract_epi8(D, 10)]; + ++histo[_mm_extract_epi8(D, 14)]; + D = _mm_sub_epi16(A2, C2); + } + ++histo[_mm_extract_epi8(D, 2)]; + ++histo[_mm_extract_epi8(D, 6)]; + ++histo[_mm_extract_epi8(D, 10)]; + ++histo[_mm_extract_epi8(D, 14)]; + } + } + { + const int left_over = tile_width & 3; + if (left_over > 0) { + VP8LCollectColorRedTransforms_C(argb + tile_width - left_over, stride, + left_over, tile_height, green_to_red, + histo); + } + } +} + +#undef MK_CST_16 + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8LEncDspInitSSE41(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8LEncDspInitSSE41(void) { + VP8LSubtractGreenFromBlueAndRed = SubtractGreenFromBlueAndRed_SSE41; + VP8LCollectColorBlueTransforms = CollectColorBlueTransforms_SSE41; + VP8LCollectColorRedTransforms = CollectColorRedTransforms_SSE41; +} + +#else // !WEBP_USE_SSE41 + +WEBP_DSP_INIT_STUB(VP8LEncDspInitSSE41) + +#endif // WEBP_USE_SSE41 diff --git a/ProductApp/Pods/libwebp/src/dsp/lossless_mips_dsp_r2.c b/ProductApp/Pods/libwebp/src/dsp/lossless_mips_dsp_r2.c new file mode 100644 index 0000000..bfe5ea6 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/lossless_mips_dsp_r2.c @@ -0,0 +1,701 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Image transforms and color space conversion methods for lossless decoder. +// +// Author(s): Djordje Pesut (djordje.pesut@imgtec.com) +// Jovan Zelincevic (jovan.zelincevic@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MIPS_DSP_R2) + +#include "src/dsp/lossless.h" +#include "src/dsp/lossless_common.h" + +#define MAP_COLOR_FUNCS(FUNC_NAME, TYPE, GET_INDEX, GET_VALUE) \ +static void FUNC_NAME(const TYPE* src, \ + const uint32_t* const color_map, \ + TYPE* dst, int y_start, int y_end, \ + int width) { \ + int y; \ + for (y = y_start; y < y_end; ++y) { \ + int x; \ + for (x = 0; x < (width >> 2); ++x) { \ + int tmp1, tmp2, tmp3, tmp4; \ + __asm__ volatile ( \ + ".ifc " #TYPE ", uint8_t \n\t" \ + "lbu %[tmp1], 0(%[src]) \n\t" \ + "lbu %[tmp2], 1(%[src]) \n\t" \ + "lbu %[tmp3], 2(%[src]) \n\t" \ + "lbu %[tmp4], 3(%[src]) \n\t" \ + "addiu %[src], %[src], 4 \n\t" \ + ".endif \n\t" \ + ".ifc " #TYPE ", uint32_t \n\t" \ + "lw %[tmp1], 0(%[src]) \n\t" \ + "lw %[tmp2], 4(%[src]) \n\t" \ + "lw %[tmp3], 8(%[src]) \n\t" \ + "lw %[tmp4], 12(%[src]) \n\t" \ + "ext %[tmp1], %[tmp1], 8, 8 \n\t" \ + "ext %[tmp2], %[tmp2], 8, 8 \n\t" \ + "ext %[tmp3], %[tmp3], 8, 8 \n\t" \ + "ext %[tmp4], %[tmp4], 8, 8 \n\t" \ + "addiu %[src], %[src], 16 \n\t" \ + ".endif \n\t" \ + "sll %[tmp1], %[tmp1], 2 \n\t" \ + "sll %[tmp2], %[tmp2], 2 \n\t" \ + "sll %[tmp3], %[tmp3], 2 \n\t" \ + "sll %[tmp4], %[tmp4], 2 \n\t" \ + "lwx %[tmp1], %[tmp1](%[color_map]) \n\t" \ + "lwx %[tmp2], %[tmp2](%[color_map]) \n\t" \ + "lwx %[tmp3], %[tmp3](%[color_map]) \n\t" \ + "lwx %[tmp4], %[tmp4](%[color_map]) \n\t" \ + ".ifc " #TYPE ", uint8_t \n\t" \ + "ext %[tmp1], %[tmp1], 8, 8 \n\t" \ + "ext %[tmp2], %[tmp2], 8, 8 \n\t" \ + "ext %[tmp3], %[tmp3], 8, 8 \n\t" \ + "ext %[tmp4], %[tmp4], 8, 8 \n\t" \ + "sb %[tmp1], 0(%[dst]) \n\t" \ + "sb %[tmp2], 1(%[dst]) \n\t" \ + "sb %[tmp3], 2(%[dst]) \n\t" \ + "sb %[tmp4], 3(%[dst]) \n\t" \ + "addiu %[dst], %[dst], 4 \n\t" \ + ".endif \n\t" \ + ".ifc " #TYPE ", uint32_t \n\t" \ + "sw %[tmp1], 0(%[dst]) \n\t" \ + "sw %[tmp2], 4(%[dst]) \n\t" \ + "sw %[tmp3], 8(%[dst]) \n\t" \ + "sw %[tmp4], 12(%[dst]) \n\t" \ + "addiu %[dst], %[dst], 16 \n\t" \ + ".endif \n\t" \ + : [tmp1]"=&r"(tmp1), [tmp2]"=&r"(tmp2), [tmp3]"=&r"(tmp3), \ + [tmp4]"=&r"(tmp4), [src]"+&r"(src), [dst]"+r"(dst) \ + : [color_map]"r"(color_map) \ + : "memory" \ + ); \ + } \ + for (x = 0; x < (width & 3); ++x) { \ + *dst++ = GET_VALUE(color_map[GET_INDEX(*src++)]); \ + } \ + } \ +} + +MAP_COLOR_FUNCS(MapARGB_MIPSdspR2, uint32_t, VP8GetARGBIndex, VP8GetARGBValue) +MAP_COLOR_FUNCS(MapAlpha_MIPSdspR2, uint8_t, VP8GetAlphaIndex, VP8GetAlphaValue) + +#undef MAP_COLOR_FUNCS + +static WEBP_INLINE uint32_t ClampedAddSubtractFull(uint32_t c0, uint32_t c1, + uint32_t c2) { + int temp0, temp1, temp2, temp3, temp4, temp5; + __asm__ volatile ( + "preceu.ph.qbr %[temp1], %[c0] \n\t" + "preceu.ph.qbl %[temp2], %[c0] \n\t" + "preceu.ph.qbr %[temp3], %[c1] \n\t" + "preceu.ph.qbl %[temp4], %[c1] \n\t" + "preceu.ph.qbr %[temp5], %[c2] \n\t" + "preceu.ph.qbl %[temp0], %[c2] \n\t" + "subq.ph %[temp3], %[temp3], %[temp5] \n\t" + "subq.ph %[temp4], %[temp4], %[temp0] \n\t" + "addq.ph %[temp1], %[temp1], %[temp3] \n\t" + "addq.ph %[temp2], %[temp2], %[temp4] \n\t" + "shll_s.ph %[temp1], %[temp1], 7 \n\t" + "shll_s.ph %[temp2], %[temp2], 7 \n\t" + "precrqu_s.qb.ph %[temp2], %[temp2], %[temp1] \n\t" + : [temp0]"=r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5) + : [c0]"r"(c0), [c1]"r"(c1), [c2]"r"(c2) + : "memory" + ); + return temp2; +} + +static WEBP_INLINE uint32_t ClampedAddSubtractHalf(uint32_t c0, uint32_t c1, + uint32_t c2) { + int temp0, temp1, temp2, temp3, temp4, temp5; + __asm__ volatile ( + "adduh.qb %[temp5], %[c0], %[c1] \n\t" + "preceu.ph.qbr %[temp3], %[c2] \n\t" + "preceu.ph.qbr %[temp1], %[temp5] \n\t" + "preceu.ph.qbl %[temp2], %[temp5] \n\t" + "preceu.ph.qbl %[temp4], %[c2] \n\t" + "subq.ph %[temp3], %[temp1], %[temp3] \n\t" + "subq.ph %[temp4], %[temp2], %[temp4] \n\t" + "shrl.ph %[temp5], %[temp3], 15 \n\t" + "shrl.ph %[temp0], %[temp4], 15 \n\t" + "addq.ph %[temp3], %[temp3], %[temp5] \n\t" + "addq.ph %[temp4], %[temp0], %[temp4] \n\t" + "shra.ph %[temp3], %[temp3], 1 \n\t" + "shra.ph %[temp4], %[temp4], 1 \n\t" + "addq.ph %[temp1], %[temp1], %[temp3] \n\t" + "addq.ph %[temp2], %[temp2], %[temp4] \n\t" + "shll_s.ph %[temp1], %[temp1], 7 \n\t" + "shll_s.ph %[temp2], %[temp2], 7 \n\t" + "precrqu_s.qb.ph %[temp1], %[temp2], %[temp1] \n\t" + : [temp0]"=r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=r"(temp4), [temp5]"=&r"(temp5) + : [c0]"r"(c0), [c1]"r"(c1), [c2]"r"(c2) + : "memory" + ); + return temp1; +} + +static WEBP_INLINE uint32_t Select(uint32_t a, uint32_t b, uint32_t c) { + int temp0, temp1, temp2, temp3, temp4, temp5; + __asm__ volatile ( + "cmpgdu.lt.qb %[temp1], %[c], %[b] \n\t" + "pick.qb %[temp1], %[b], %[c] \n\t" + "pick.qb %[temp2], %[c], %[b] \n\t" + "cmpgdu.lt.qb %[temp4], %[c], %[a] \n\t" + "pick.qb %[temp4], %[a], %[c] \n\t" + "pick.qb %[temp5], %[c], %[a] \n\t" + "subu.qb %[temp3], %[temp1], %[temp2] \n\t" + "subu.qb %[temp0], %[temp4], %[temp5] \n\t" + "raddu.w.qb %[temp3], %[temp3] \n\t" + "raddu.w.qb %[temp0], %[temp0] \n\t" + "subu %[temp3], %[temp3], %[temp0] \n\t" + "slti %[temp0], %[temp3], 0x1 \n\t" + "movz %[a], %[b], %[temp0] \n\t" + : [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), + [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [temp0]"=&r"(temp0), + [a]"+&r"(a) + : [b]"r"(b), [c]"r"(c) + ); + return a; +} + +static WEBP_INLINE uint32_t Average2(uint32_t a0, uint32_t a1) { + __asm__ volatile ( + "adduh.qb %[a0], %[a0], %[a1] \n\t" + : [a0]"+r"(a0) + : [a1]"r"(a1) + ); + return a0; +} + +static WEBP_INLINE uint32_t Average3(uint32_t a0, uint32_t a1, uint32_t a2) { + return Average2(Average2(a0, a2), a1); +} + +static WEBP_INLINE uint32_t Average4(uint32_t a0, uint32_t a1, + uint32_t a2, uint32_t a3) { + return Average2(Average2(a0, a1), Average2(a2, a3)); +} + +static uint32_t Predictor5_MIPSdspR2(const uint32_t* const left, + const uint32_t* const top) { + return Average3(*left, top[0], top[1]); +} + +static uint32_t Predictor6_MIPSdspR2(const uint32_t* const left, + const uint32_t* const top) { + return Average2(*left, top[-1]); +} + +static uint32_t Predictor7_MIPSdspR2(const uint32_t* const left, + const uint32_t* const top) { + return Average2(*left, top[0]); +} + +static uint32_t Predictor8_MIPSdspR2(const uint32_t* const left, + const uint32_t* const top) { + (void)left; + return Average2(top[-1], top[0]); +} + +static uint32_t Predictor9_MIPSdspR2(const uint32_t* const left, + const uint32_t* const top) { + (void)left; + return Average2(top[0], top[1]); +} + +static uint32_t Predictor10_MIPSdspR2(const uint32_t* const left, + const uint32_t* const top) { + return Average4(*left, top[-1], top[0], top[1]); +} + +static uint32_t Predictor11_MIPSdspR2(const uint32_t* const left, + const uint32_t* const top) { + return Select(top[0], *left, top[-1]); +} + +static uint32_t Predictor12_MIPSdspR2(const uint32_t* const left, + const uint32_t* const top) { + return ClampedAddSubtractFull(*left, top[0], top[-1]); +} + +static uint32_t Predictor13_MIPSdspR2(const uint32_t* const left, + const uint32_t* const top) { + return ClampedAddSubtractHalf(*left, top[0], top[-1]); +} + +// Add green to blue and red channels (i.e. perform the inverse transform of +// 'subtract green'). +static void AddGreenToBlueAndRed_MIPSdspR2(const uint32_t* src, int num_pixels, + uint32_t* dst) { + uint32_t temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; + const uint32_t* const p_loop1_end = src + (num_pixels & ~3); + const uint32_t* const p_loop2_end = src + num_pixels; + __asm__ volatile ( + ".set push \n\t" + ".set noreorder \n\t" + "beq %[src], %[p_loop1_end], 3f \n\t" + " nop \n\t" + "0: \n\t" + "lw %[temp0], 0(%[src]) \n\t" + "lw %[temp1], 4(%[src]) \n\t" + "lw %[temp2], 8(%[src]) \n\t" + "lw %[temp3], 12(%[src]) \n\t" + "ext %[temp4], %[temp0], 8, 8 \n\t" + "ext %[temp5], %[temp1], 8, 8 \n\t" + "ext %[temp6], %[temp2], 8, 8 \n\t" + "ext %[temp7], %[temp3], 8, 8 \n\t" + "addiu %[src], %[src], 16 \n\t" + "addiu %[dst], %[dst], 16 \n\t" + "replv.ph %[temp4], %[temp4] \n\t" + "replv.ph %[temp5], %[temp5] \n\t" + "replv.ph %[temp6], %[temp6] \n\t" + "replv.ph %[temp7], %[temp7] \n\t" + "addu.qb %[temp0], %[temp0], %[temp4] \n\t" + "addu.qb %[temp1], %[temp1], %[temp5] \n\t" + "addu.qb %[temp2], %[temp2], %[temp6] \n\t" + "addu.qb %[temp3], %[temp3], %[temp7] \n\t" + "sw %[temp0], -16(%[dst]) \n\t" + "sw %[temp1], -12(%[dst]) \n\t" + "sw %[temp2], -8(%[dst]) \n\t" + "bne %[src], %[p_loop1_end], 0b \n\t" + " sw %[temp3], -4(%[dst]) \n\t" + "3: \n\t" + "beq %[src], %[p_loop2_end], 2f \n\t" + " nop \n\t" + "1: \n\t" + "lw %[temp0], 0(%[src]) \n\t" + "addiu %[src], %[src], 4 \n\t" + "addiu %[dst], %[dst], 4 \n\t" + "ext %[temp4], %[temp0], 8, 8 \n\t" + "replv.ph %[temp4], %[temp4] \n\t" + "addu.qb %[temp0], %[temp0], %[temp4] \n\t" + "bne %[src], %[p_loop2_end], 1b \n\t" + " sw %[temp0], -4(%[dst]) \n\t" + "2: \n\t" + ".set pop \n\t" + : [dst]"+&r"(dst), [src]"+&r"(src), [temp0]"=&r"(temp0), + [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), + [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [temp6]"=&r"(temp6), + [temp7]"=&r"(temp7) + : [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end) + : "memory" + ); +} + +static void TransformColorInverse_MIPSdspR2(const VP8LMultipliers* const m, + const uint32_t* src, int num_pixels, + uint32_t* dst) { + int temp0, temp1, temp2, temp3, temp4, temp5; + uint32_t argb, argb1, new_red; + const uint32_t G_to_R = m->green_to_red_; + const uint32_t G_to_B = m->green_to_blue_; + const uint32_t R_to_B = m->red_to_blue_; + const uint32_t* const p_loop_end = src + (num_pixels & ~1); + __asm__ volatile ( + ".set push \n\t" + ".set noreorder \n\t" + "beq %[src], %[p_loop_end], 1f \n\t" + " nop \n\t" + "replv.ph %[temp0], %[G_to_R] \n\t" + "replv.ph %[temp1], %[G_to_B] \n\t" + "replv.ph %[temp2], %[R_to_B] \n\t" + "shll.ph %[temp0], %[temp0], 8 \n\t" + "shll.ph %[temp1], %[temp1], 8 \n\t" + "shll.ph %[temp2], %[temp2], 8 \n\t" + "shra.ph %[temp0], %[temp0], 8 \n\t" + "shra.ph %[temp1], %[temp1], 8 \n\t" + "shra.ph %[temp2], %[temp2], 8 \n\t" + "0: \n\t" + "lw %[argb], 0(%[src]) \n\t" + "lw %[argb1], 4(%[src]) \n\t" + "sw %[argb], 0(%[dst]) \n\t" + "sw %[argb1], 4(%[dst]) \n\t" + "addiu %[src], %[src], 8 \n\t" + "addiu %[dst], %[dst], 8 \n\t" + "precrq.qb.ph %[temp3], %[argb], %[argb1] \n\t" + "preceu.ph.qbra %[temp3], %[temp3] \n\t" + "shll.ph %[temp3], %[temp3], 8 \n\t" + "shra.ph %[temp3], %[temp3], 8 \n\t" + "mul.ph %[temp5], %[temp3], %[temp0] \n\t" + "mul.ph %[temp3], %[temp3], %[temp1] \n\t" + "precrq.ph.w %[new_red], %[argb], %[argb1] \n\t" + "ins %[argb1], %[argb], 16, 16 \n\t" + "shra.ph %[temp5], %[temp5], 5 \n\t" + "shra.ph %[temp3], %[temp3], 5 \n\t" + "addu.ph %[new_red], %[new_red], %[temp5] \n\t" + "addu.ph %[argb1], %[argb1], %[temp3] \n\t" + "preceu.ph.qbra %[temp5], %[new_red] \n\t" + "shll.ph %[temp4], %[temp5], 8 \n\t" + "shra.ph %[temp4], %[temp4], 8 \n\t" + "mul.ph %[temp4], %[temp4], %[temp2] \n\t" + "sb %[temp5], -2(%[dst]) \n\t" + "sra %[temp5], %[temp5], 16 \n\t" + "shra.ph %[temp4], %[temp4], 5 \n\t" + "addu.ph %[argb1], %[argb1], %[temp4] \n\t" + "preceu.ph.qbra %[temp3], %[argb1] \n\t" + "sb %[temp5], -6(%[dst]) \n\t" + "sb %[temp3], -4(%[dst]) \n\t" + "sra %[temp3], %[temp3], 16 \n\t" + "bne %[src], %[p_loop_end], 0b \n\t" + " sb %[temp3], -8(%[dst]) \n\t" + "1: \n\t" + ".set pop \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [new_red]"=&r"(new_red), [argb]"=&r"(argb), + [argb1]"=&r"(argb1), [dst]"+&r"(dst), [src]"+&r"(src) + : [G_to_R]"r"(G_to_R), [R_to_B]"r"(R_to_B), + [G_to_B]"r"(G_to_B), [p_loop_end]"r"(p_loop_end) + : "memory", "hi", "lo" + ); + + // Fall-back to C-version for left-overs. + if (num_pixels & 1) VP8LTransformColorInverse_C(m, src, 1, dst); +} + +static void ConvertBGRAToRGB_MIPSdspR2(const uint32_t* src, + int num_pixels, uint8_t* dst) { + int temp0, temp1, temp2, temp3; + const uint32_t* const p_loop1_end = src + (num_pixels & ~3); + const uint32_t* const p_loop2_end = src + num_pixels; + __asm__ volatile ( + ".set push \n\t" + ".set noreorder \n\t" + "beq %[src], %[p_loop1_end], 3f \n\t" + " nop \n\t" + "0: \n\t" + "lw %[temp3], 12(%[src]) \n\t" + "lw %[temp2], 8(%[src]) \n\t" + "lw %[temp1], 4(%[src]) \n\t" + "lw %[temp0], 0(%[src]) \n\t" + "ins %[temp3], %[temp2], 24, 8 \n\t" + "sll %[temp2], %[temp2], 8 \n\t" + "rotr %[temp3], %[temp3], 16 \n\t" + "ins %[temp2], %[temp1], 0, 16 \n\t" + "sll %[temp1], %[temp1], 8 \n\t" + "wsbh %[temp3], %[temp3] \n\t" + "balign %[temp0], %[temp1], 1 \n\t" + "wsbh %[temp2], %[temp2] \n\t" + "wsbh %[temp0], %[temp0] \n\t" + "usw %[temp3], 8(%[dst]) \n\t" + "rotr %[temp0], %[temp0], 16 \n\t" + "usw %[temp2], 4(%[dst]) \n\t" + "addiu %[src], %[src], 16 \n\t" + "usw %[temp0], 0(%[dst]) \n\t" + "bne %[src], %[p_loop1_end], 0b \n\t" + " addiu %[dst], %[dst], 12 \n\t" + "3: \n\t" + "beq %[src], %[p_loop2_end], 2f \n\t" + " nop \n\t" + "1: \n\t" + "lw %[temp0], 0(%[src]) \n\t" + "addiu %[src], %[src], 4 \n\t" + "wsbh %[temp1], %[temp0] \n\t" + "addiu %[dst], %[dst], 3 \n\t" + "ush %[temp1], -2(%[dst]) \n\t" + "sra %[temp0], %[temp0], 16 \n\t" + "bne %[src], %[p_loop2_end], 1b \n\t" + " sb %[temp0], -3(%[dst]) \n\t" + "2: \n\t" + ".set pop \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [dst]"+&r"(dst), [src]"+&r"(src) + : [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end) + : "memory" + ); +} + +static void ConvertBGRAToRGBA_MIPSdspR2(const uint32_t* src, + int num_pixels, uint8_t* dst) { + int temp0, temp1, temp2, temp3; + const uint32_t* const p_loop1_end = src + (num_pixels & ~3); + const uint32_t* const p_loop2_end = src + num_pixels; + __asm__ volatile ( + ".set push \n\t" + ".set noreorder \n\t" + "beq %[src], %[p_loop1_end], 3f \n\t" + " nop \n\t" + "0: \n\t" + "lw %[temp0], 0(%[src]) \n\t" + "lw %[temp1], 4(%[src]) \n\t" + "lw %[temp2], 8(%[src]) \n\t" + "lw %[temp3], 12(%[src]) \n\t" + "wsbh %[temp0], %[temp0] \n\t" + "wsbh %[temp1], %[temp1] \n\t" + "wsbh %[temp2], %[temp2] \n\t" + "wsbh %[temp3], %[temp3] \n\t" + "addiu %[src], %[src], 16 \n\t" + "balign %[temp0], %[temp0], 1 \n\t" + "balign %[temp1], %[temp1], 1 \n\t" + "balign %[temp2], %[temp2], 1 \n\t" + "balign %[temp3], %[temp3], 1 \n\t" + "usw %[temp0], 0(%[dst]) \n\t" + "usw %[temp1], 4(%[dst]) \n\t" + "usw %[temp2], 8(%[dst]) \n\t" + "usw %[temp3], 12(%[dst]) \n\t" + "bne %[src], %[p_loop1_end], 0b \n\t" + " addiu %[dst], %[dst], 16 \n\t" + "3: \n\t" + "beq %[src], %[p_loop2_end], 2f \n\t" + " nop \n\t" + "1: \n\t" + "lw %[temp0], 0(%[src]) \n\t" + "wsbh %[temp0], %[temp0] \n\t" + "addiu %[src], %[src], 4 \n\t" + "balign %[temp0], %[temp0], 1 \n\t" + "usw %[temp0], 0(%[dst]) \n\t" + "bne %[src], %[p_loop2_end], 1b \n\t" + " addiu %[dst], %[dst], 4 \n\t" + "2: \n\t" + ".set pop \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [dst]"+&r"(dst), [src]"+&r"(src) + : [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end) + : "memory" + ); +} + +static void ConvertBGRAToRGBA4444_MIPSdspR2(const uint32_t* src, + int num_pixels, uint8_t* dst) { + int temp0, temp1, temp2, temp3, temp4, temp5; + const uint32_t* const p_loop1_end = src + (num_pixels & ~3); + const uint32_t* const p_loop2_end = src + num_pixels; + __asm__ volatile ( + ".set push \n\t" + ".set noreorder \n\t" + "beq %[src], %[p_loop1_end], 3f \n\t" + " nop \n\t" + "0: \n\t" + "lw %[temp0], 0(%[src]) \n\t" + "lw %[temp1], 4(%[src]) \n\t" + "lw %[temp2], 8(%[src]) \n\t" + "lw %[temp3], 12(%[src]) \n\t" + "ext %[temp4], %[temp0], 28, 4 \n\t" + "ext %[temp5], %[temp0], 12, 4 \n\t" + "ins %[temp0], %[temp4], 0, 4 \n\t" + "ext %[temp4], %[temp1], 28, 4 \n\t" + "ins %[temp0], %[temp5], 16, 4 \n\t" + "ext %[temp5], %[temp1], 12, 4 \n\t" + "ins %[temp1], %[temp4], 0, 4 \n\t" + "ext %[temp4], %[temp2], 28, 4 \n\t" + "ins %[temp1], %[temp5], 16, 4 \n\t" + "ext %[temp5], %[temp2], 12, 4 \n\t" + "ins %[temp2], %[temp4], 0, 4 \n\t" + "ext %[temp4], %[temp3], 28, 4 \n\t" + "ins %[temp2], %[temp5], 16, 4 \n\t" + "ext %[temp5], %[temp3], 12, 4 \n\t" + "ins %[temp3], %[temp4], 0, 4 \n\t" + "precr.qb.ph %[temp1], %[temp1], %[temp0] \n\t" + "ins %[temp3], %[temp5], 16, 4 \n\t" + "addiu %[src], %[src], 16 \n\t" + "precr.qb.ph %[temp3], %[temp3], %[temp2] \n\t" +#if (WEBP_SWAP_16BIT_CSP == 1) + "usw %[temp1], 0(%[dst]) \n\t" + "usw %[temp3], 4(%[dst]) \n\t" +#else + "wsbh %[temp1], %[temp1] \n\t" + "wsbh %[temp3], %[temp3] \n\t" + "usw %[temp1], 0(%[dst]) \n\t" + "usw %[temp3], 4(%[dst]) \n\t" +#endif + "bne %[src], %[p_loop1_end], 0b \n\t" + " addiu %[dst], %[dst], 8 \n\t" + "3: \n\t" + "beq %[src], %[p_loop2_end], 2f \n\t" + " nop \n\t" + "1: \n\t" + "lw %[temp0], 0(%[src]) \n\t" + "ext %[temp4], %[temp0], 28, 4 \n\t" + "ext %[temp5], %[temp0], 12, 4 \n\t" + "ins %[temp0], %[temp4], 0, 4 \n\t" + "ins %[temp0], %[temp5], 16, 4 \n\t" + "addiu %[src], %[src], 4 \n\t" + "precr.qb.ph %[temp0], %[temp0], %[temp0] \n\t" +#if (WEBP_SWAP_16BIT_CSP == 1) + "ush %[temp0], 0(%[dst]) \n\t" +#else + "wsbh %[temp0], %[temp0] \n\t" + "ush %[temp0], 0(%[dst]) \n\t" +#endif + "bne %[src], %[p_loop2_end], 1b \n\t" + " addiu %[dst], %[dst], 2 \n\t" + "2: \n\t" + ".set pop \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [dst]"+&r"(dst), [src]"+&r"(src) + : [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end) + : "memory" + ); +} + +static void ConvertBGRAToRGB565_MIPSdspR2(const uint32_t* src, + int num_pixels, uint8_t* dst) { + int temp0, temp1, temp2, temp3, temp4, temp5; + const uint32_t* const p_loop1_end = src + (num_pixels & ~3); + const uint32_t* const p_loop2_end = src + num_pixels; + __asm__ volatile ( + ".set push \n\t" + ".set noreorder \n\t" + "beq %[src], %[p_loop1_end], 3f \n\t" + " nop \n\t" + "0: \n\t" + "lw %[temp0], 0(%[src]) \n\t" + "lw %[temp1], 4(%[src]) \n\t" + "lw %[temp2], 8(%[src]) \n\t" + "lw %[temp3], 12(%[src]) \n\t" + "ext %[temp4], %[temp0], 8, 16 \n\t" + "ext %[temp5], %[temp0], 5, 11 \n\t" + "ext %[temp0], %[temp0], 3, 5 \n\t" + "ins %[temp4], %[temp5], 0, 11 \n\t" + "ext %[temp5], %[temp1], 5, 11 \n\t" + "ins %[temp4], %[temp0], 0, 5 \n\t" + "ext %[temp0], %[temp1], 8, 16 \n\t" + "ext %[temp1], %[temp1], 3, 5 \n\t" + "ins %[temp0], %[temp5], 0, 11 \n\t" + "ext %[temp5], %[temp2], 5, 11 \n\t" + "ins %[temp0], %[temp1], 0, 5 \n\t" + "ext %[temp1], %[temp2], 8, 16 \n\t" + "ext %[temp2], %[temp2], 3, 5 \n\t" + "ins %[temp1], %[temp5], 0, 11 \n\t" + "ext %[temp5], %[temp3], 5, 11 \n\t" + "ins %[temp1], %[temp2], 0, 5 \n\t" + "ext %[temp2], %[temp3], 8, 16 \n\t" + "ext %[temp3], %[temp3], 3, 5 \n\t" + "ins %[temp2], %[temp5], 0, 11 \n\t" + "append %[temp0], %[temp4], 16 \n\t" + "ins %[temp2], %[temp3], 0, 5 \n\t" + "addiu %[src], %[src], 16 \n\t" + "append %[temp2], %[temp1], 16 \n\t" +#if (WEBP_SWAP_16BIT_CSP == 1) + "usw %[temp0], 0(%[dst]) \n\t" + "usw %[temp2], 4(%[dst]) \n\t" +#else + "wsbh %[temp0], %[temp0] \n\t" + "wsbh %[temp2], %[temp2] \n\t" + "usw %[temp0], 0(%[dst]) \n\t" + "usw %[temp2], 4(%[dst]) \n\t" +#endif + "bne %[src], %[p_loop1_end], 0b \n\t" + " addiu %[dst], %[dst], 8 \n\t" + "3: \n\t" + "beq %[src], %[p_loop2_end], 2f \n\t" + " nop \n\t" + "1: \n\t" + "lw %[temp0], 0(%[src]) \n\t" + "ext %[temp4], %[temp0], 8, 16 \n\t" + "ext %[temp5], %[temp0], 5, 11 \n\t" + "ext %[temp0], %[temp0], 3, 5 \n\t" + "ins %[temp4], %[temp5], 0, 11 \n\t" + "addiu %[src], %[src], 4 \n\t" + "ins %[temp4], %[temp0], 0, 5 \n\t" +#if (WEBP_SWAP_16BIT_CSP == 1) + "ush %[temp4], 0(%[dst]) \n\t" +#else + "wsbh %[temp4], %[temp4] \n\t" + "ush %[temp4], 0(%[dst]) \n\t" +#endif + "bne %[src], %[p_loop2_end], 1b \n\t" + " addiu %[dst], %[dst], 2 \n\t" + "2: \n\t" + ".set pop \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), + [dst]"+&r"(dst), [src]"+&r"(src) + : [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end) + : "memory" + ); +} + +static void ConvertBGRAToBGR_MIPSdspR2(const uint32_t* src, + int num_pixels, uint8_t* dst) { + int temp0, temp1, temp2, temp3; + const uint32_t* const p_loop1_end = src + (num_pixels & ~3); + const uint32_t* const p_loop2_end = src + num_pixels; + __asm__ volatile ( + ".set push \n\t" + ".set noreorder \n\t" + "beq %[src], %[p_loop1_end], 3f \n\t" + " nop \n\t" + "0: \n\t" + "lw %[temp0], 0(%[src]) \n\t" + "lw %[temp1], 4(%[src]) \n\t" + "lw %[temp2], 8(%[src]) \n\t" + "lw %[temp3], 12(%[src]) \n\t" + "ins %[temp0], %[temp1], 24, 8 \n\t" + "sra %[temp1], %[temp1], 8 \n\t" + "ins %[temp1], %[temp2], 16, 16 \n\t" + "sll %[temp2], %[temp2], 8 \n\t" + "balign %[temp3], %[temp2], 1 \n\t" + "addiu %[src], %[src], 16 \n\t" + "usw %[temp0], 0(%[dst]) \n\t" + "usw %[temp1], 4(%[dst]) \n\t" + "usw %[temp3], 8(%[dst]) \n\t" + "bne %[src], %[p_loop1_end], 0b \n\t" + " addiu %[dst], %[dst], 12 \n\t" + "3: \n\t" + "beq %[src], %[p_loop2_end], 2f \n\t" + " nop \n\t" + "1: \n\t" + "lw %[temp0], 0(%[src]) \n\t" + "addiu %[src], %[src], 4 \n\t" + "addiu %[dst], %[dst], 3 \n\t" + "ush %[temp0], -3(%[dst]) \n\t" + "sra %[temp0], %[temp0], 16 \n\t" + "bne %[src], %[p_loop2_end], 1b \n\t" + " sb %[temp0], -1(%[dst]) \n\t" + "2: \n\t" + ".set pop \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), + [temp3]"=&r"(temp3), [dst]"+&r"(dst), [src]"+&r"(src) + : [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end) + : "memory" + ); +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8LDspInitMIPSdspR2(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitMIPSdspR2(void) { + VP8LMapColor32b = MapARGB_MIPSdspR2; + VP8LMapColor8b = MapAlpha_MIPSdspR2; + + VP8LPredictors[5] = Predictor5_MIPSdspR2; + VP8LPredictors[6] = Predictor6_MIPSdspR2; + VP8LPredictors[7] = Predictor7_MIPSdspR2; + VP8LPredictors[8] = Predictor8_MIPSdspR2; + VP8LPredictors[9] = Predictor9_MIPSdspR2; + VP8LPredictors[10] = Predictor10_MIPSdspR2; + VP8LPredictors[11] = Predictor11_MIPSdspR2; + VP8LPredictors[12] = Predictor12_MIPSdspR2; + VP8LPredictors[13] = Predictor13_MIPSdspR2; + + VP8LAddGreenToBlueAndRed = AddGreenToBlueAndRed_MIPSdspR2; + VP8LTransformColorInverse = TransformColorInverse_MIPSdspR2; + + VP8LConvertBGRAToRGB = ConvertBGRAToRGB_MIPSdspR2; + VP8LConvertBGRAToRGBA = ConvertBGRAToRGBA_MIPSdspR2; + VP8LConvertBGRAToRGBA4444 = ConvertBGRAToRGBA4444_MIPSdspR2; + VP8LConvertBGRAToRGB565 = ConvertBGRAToRGB565_MIPSdspR2; + VP8LConvertBGRAToBGR = ConvertBGRAToBGR_MIPSdspR2; +} + +#else // !WEBP_USE_MIPS_DSP_R2 + +WEBP_DSP_INIT_STUB(VP8LDspInitMIPSdspR2) + +#endif // WEBP_USE_MIPS_DSP_R2 diff --git a/ProductApp/Pods/libwebp/src/dsp/lossless_msa.c b/ProductApp/Pods/libwebp/src/dsp/lossless_msa.c new file mode 100644 index 0000000..9f54720 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/lossless_msa.c @@ -0,0 +1,356 @@ +// Copyright 2016 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// MSA variant of methods for lossless decoder +// +// Author: Prashant Patil (prashant.patil@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MSA) + +#include "src/dsp/lossless.h" +#include "src/dsp/msa_macro.h" + +//------------------------------------------------------------------------------ +// Colorspace conversion functions + +#define CONVERT16_BGRA_XXX(psrc, pdst, m0, m1, m2) do { \ + v16u8 src0, src1, src2, src3, dst0, dst1, dst2; \ + LD_UB4(psrc, 16, src0, src1, src2, src3); \ + VSHF_B2_UB(src0, src1, src1, src2, m0, m1, dst0, dst1); \ + dst2 = VSHF_UB(src2, src3, m2); \ + ST_UB2(dst0, dst1, pdst, 16); \ + ST_UB(dst2, pdst + 32); \ +} while (0) + +#define CONVERT12_BGRA_XXX(psrc, pdst, m0, m1, m2) do { \ + uint32_t pix_w; \ + v16u8 src0, src1, src2, dst0, dst1, dst2; \ + LD_UB3(psrc, 16, src0, src1, src2); \ + VSHF_B2_UB(src0, src1, src1, src2, m0, m1, dst0, dst1); \ + dst2 = VSHF_UB(src2, src2, m2); \ + ST_UB2(dst0, dst1, pdst, 16); \ + pix_w = __msa_copy_s_w((v4i32)dst2, 0); \ + SW(pix_w, pdst + 32); \ +} while (0) + +#define CONVERT8_BGRA_XXX(psrc, pdst, m0, m1) do { \ + uint64_t pix_d; \ + v16u8 src0, src1, src2 = { 0 }, dst0, dst1; \ + LD_UB2(psrc, 16, src0, src1); \ + VSHF_B2_UB(src0, src1, src1, src2, m0, m1, dst0, dst1); \ + ST_UB(dst0, pdst); \ + pix_d = __msa_copy_s_d((v2i64)dst1, 0); \ + SD(pix_d, pdst + 16); \ +} while (0) + +#define CONVERT4_BGRA_XXX(psrc, pdst, m) do { \ + const v16u8 src0 = LD_UB(psrc); \ + const v16u8 dst0 = VSHF_UB(src0, src0, m); \ + uint64_t pix_d = __msa_copy_s_d((v2i64)dst0, 0); \ + uint32_t pix_w = __msa_copy_s_w((v4i32)dst0, 2); \ + SD(pix_d, pdst + 0); \ + SW(pix_w, pdst + 8); \ +} while (0) + +#define CONVERT1_BGRA_BGR(psrc, pdst) do { \ + const int32_t b = (psrc)[0]; \ + const int32_t g = (psrc)[1]; \ + const int32_t r = (psrc)[2]; \ + (pdst)[0] = b; \ + (pdst)[1] = g; \ + (pdst)[2] = r; \ +} while (0) + +#define CONVERT1_BGRA_RGB(psrc, pdst) do { \ + const int32_t b = (psrc)[0]; \ + const int32_t g = (psrc)[1]; \ + const int32_t r = (psrc)[2]; \ + (pdst)[0] = r; \ + (pdst)[1] = g; \ + (pdst)[2] = b; \ +} while (0) + +#define TRANSFORM_COLOR_INVERSE_8(src0, src1, dst0, dst1, \ + c0, c1, mask0, mask1) do { \ + v8i16 g0, g1, t0, t1, t2, t3; \ + v4i32 t4, t5; \ + VSHF_B2_SH(src0, src0, src1, src1, mask0, mask0, g0, g1); \ + DOTP_SB2_SH(g0, g1, c0, c0, t0, t1); \ + SRAI_H2_SH(t0, t1, 5); \ + t0 = __msa_addv_h(t0, (v8i16)src0); \ + t1 = __msa_addv_h(t1, (v8i16)src1); \ + t4 = __msa_srli_w((v4i32)t0, 16); \ + t5 = __msa_srli_w((v4i32)t1, 16); \ + DOTP_SB2_SH(t4, t5, c1, c1, t2, t3); \ + SRAI_H2_SH(t2, t3, 5); \ + ADD2(t0, t2, t1, t3, t0, t1); \ + VSHF_B2_UB(src0, t0, src1, t1, mask1, mask1, dst0, dst1); \ +} while (0) + +#define TRANSFORM_COLOR_INVERSE_4(src, dst, c0, c1, mask0, mask1) do { \ + const v16i8 g0 = VSHF_SB(src, src, mask0); \ + v8i16 t0 = __msa_dotp_s_h(c0, g0); \ + v8i16 t1; \ + v4i32 t2; \ + t0 = SRAI_H(t0, 5); \ + t0 = __msa_addv_h(t0, (v8i16)src); \ + t2 = __msa_srli_w((v4i32)t0, 16); \ + t1 = __msa_dotp_s_h(c1, (v16i8)t2); \ + t1 = SRAI_H(t1, 5); \ + t0 = t0 + t1; \ + dst = VSHF_UB(src, t0, mask1); \ +} while (0) + +static void ConvertBGRAToRGBA_MSA(const uint32_t* src, + int num_pixels, uint8_t* dst) { + int i; + const uint8_t* ptemp_src = (const uint8_t*)src; + uint8_t* ptemp_dst = (uint8_t*)dst; + v16u8 src0, dst0; + const v16u8 mask = { 2, 1, 0, 3, 6, 5, 4, 7, 10, 9, 8, 11, 14, 13, 12, 15 }; + + while (num_pixels >= 8) { + v16u8 src1, dst1; + LD_UB2(ptemp_src, 16, src0, src1); + VSHF_B2_UB(src0, src0, src1, src1, mask, mask, dst0, dst1); + ST_UB2(dst0, dst1, ptemp_dst, 16); + ptemp_src += 32; + ptemp_dst += 32; + num_pixels -= 8; + } + if (num_pixels > 0) { + if (num_pixels >= 4) { + src0 = LD_UB(ptemp_src); + dst0 = VSHF_UB(src0, src0, mask); + ST_UB(dst0, ptemp_dst); + ptemp_src += 16; + ptemp_dst += 16; + num_pixels -= 4; + } + for (i = 0; i < num_pixels; i++) { + const uint8_t b = ptemp_src[2]; + const uint8_t g = ptemp_src[1]; + const uint8_t r = ptemp_src[0]; + const uint8_t a = ptemp_src[3]; + ptemp_dst[0] = b; + ptemp_dst[1] = g; + ptemp_dst[2] = r; + ptemp_dst[3] = a; + ptemp_src += 4; + ptemp_dst += 4; + } + } +} + +static void ConvertBGRAToBGR_MSA(const uint32_t* src, + int num_pixels, uint8_t* dst) { + const uint8_t* ptemp_src = (const uint8_t*)src; + uint8_t* ptemp_dst = (uint8_t*)dst; + const v16u8 mask0 = { 0, 1, 2, 4, 5, 6, 8, 9, 10, 12, 13, 14, + 16, 17, 18, 20 }; + const v16u8 mask1 = { 5, 6, 8, 9, 10, 12, 13, 14, 16, 17, 18, 20, + 21, 22, 24, 25 }; + const v16u8 mask2 = { 10, 12, 13, 14, 16, 17, 18, 20, 21, 22, 24, 25, + 26, 28, 29, 30 }; + + while (num_pixels >= 16) { + CONVERT16_BGRA_XXX(ptemp_src, ptemp_dst, mask0, mask1, mask2); + ptemp_src += 64; + ptemp_dst += 48; + num_pixels -= 16; + } + if (num_pixels > 0) { + if (num_pixels >= 12) { + CONVERT12_BGRA_XXX(ptemp_src, ptemp_dst, mask0, mask1, mask2); + ptemp_src += 48; + ptemp_dst += 36; + num_pixels -= 12; + } else if (num_pixels >= 8) { + CONVERT8_BGRA_XXX(ptemp_src, ptemp_dst, mask0, mask1); + ptemp_src += 32; + ptemp_dst += 24; + num_pixels -= 8; + } else if (num_pixels >= 4) { + CONVERT4_BGRA_XXX(ptemp_src, ptemp_dst, mask0); + ptemp_src += 16; + ptemp_dst += 12; + num_pixels -= 4; + } + if (num_pixels == 3) { + CONVERT1_BGRA_BGR(ptemp_src + 0, ptemp_dst + 0); + CONVERT1_BGRA_BGR(ptemp_src + 4, ptemp_dst + 3); + CONVERT1_BGRA_BGR(ptemp_src + 8, ptemp_dst + 6); + } else if (num_pixels == 2) { + CONVERT1_BGRA_BGR(ptemp_src + 0, ptemp_dst + 0); + CONVERT1_BGRA_BGR(ptemp_src + 4, ptemp_dst + 3); + } else if (num_pixels == 1) { + CONVERT1_BGRA_BGR(ptemp_src, ptemp_dst); + } + } +} + +static void ConvertBGRAToRGB_MSA(const uint32_t* src, + int num_pixels, uint8_t* dst) { + const uint8_t* ptemp_src = (const uint8_t*)src; + uint8_t* ptemp_dst = (uint8_t*)dst; + const v16u8 mask0 = { 2, 1, 0, 6, 5, 4, 10, 9, 8, 14, 13, 12, + 18, 17, 16, 22 }; + const v16u8 mask1 = { 5, 4, 10, 9, 8, 14, 13, 12, 18, 17, 16, 22, + 21, 20, 26, 25 }; + const v16u8 mask2 = { 8, 14, 13, 12, 18, 17, 16, 22, 21, 20, 26, 25, + 24, 30, 29, 28 }; + + while (num_pixels >= 16) { + CONVERT16_BGRA_XXX(ptemp_src, ptemp_dst, mask0, mask1, mask2); + ptemp_src += 64; + ptemp_dst += 48; + num_pixels -= 16; + } + if (num_pixels) { + if (num_pixels >= 12) { + CONVERT12_BGRA_XXX(ptemp_src, ptemp_dst, mask0, mask1, mask2); + ptemp_src += 48; + ptemp_dst += 36; + num_pixels -= 12; + } else if (num_pixels >= 8) { + CONVERT8_BGRA_XXX(ptemp_src, ptemp_dst, mask0, mask1); + ptemp_src += 32; + ptemp_dst += 24; + num_pixels -= 8; + } else if (num_pixels >= 4) { + CONVERT4_BGRA_XXX(ptemp_src, ptemp_dst, mask0); + ptemp_src += 16; + ptemp_dst += 12; + num_pixels -= 4; + } + if (num_pixels == 3) { + CONVERT1_BGRA_RGB(ptemp_src + 0, ptemp_dst + 0); + CONVERT1_BGRA_RGB(ptemp_src + 4, ptemp_dst + 3); + CONVERT1_BGRA_RGB(ptemp_src + 8, ptemp_dst + 6); + } else if (num_pixels == 2) { + CONVERT1_BGRA_RGB(ptemp_src + 0, ptemp_dst + 0); + CONVERT1_BGRA_RGB(ptemp_src + 4, ptemp_dst + 3); + } else if (num_pixels == 1) { + CONVERT1_BGRA_RGB(ptemp_src, ptemp_dst); + } + } +} + +static void AddGreenToBlueAndRed_MSA(const uint32_t* const src, int num_pixels, + uint32_t* dst) { + int i; + const uint8_t* in = (const uint8_t*)src; + uint8_t* out = (uint8_t*)dst; + v16u8 src0, dst0, tmp0; + const v16u8 mask = { 1, 255, 1, 255, 5, 255, 5, 255, 9, 255, 9, 255, + 13, 255, 13, 255 }; + + while (num_pixels >= 8) { + v16u8 src1, dst1, tmp1; + LD_UB2(in, 16, src0, src1); + VSHF_B2_UB(src0, src1, src1, src0, mask, mask, tmp0, tmp1); + ADD2(src0, tmp0, src1, tmp1, dst0, dst1); + ST_UB2(dst0, dst1, out, 16); + in += 32; + out += 32; + num_pixels -= 8; + } + if (num_pixels > 0) { + if (num_pixels >= 4) { + src0 = LD_UB(in); + tmp0 = VSHF_UB(src0, src0, mask); + dst0 = src0 + tmp0; + ST_UB(dst0, out); + in += 16; + out += 16; + num_pixels -= 4; + } + for (i = 0; i < num_pixels; i++) { + const uint8_t b = in[0]; + const uint8_t g = in[1]; + const uint8_t r = in[2]; + out[0] = (b + g) & 0xff; + out[1] = g; + out[2] = (r + g) & 0xff; + out[4] = in[4]; + out += 4; + } + } +} + +static void TransformColorInverse_MSA(const VP8LMultipliers* const m, + const uint32_t* src, int num_pixels, + uint32_t* dst) { + v16u8 src0, dst0; + const v16i8 g2br = (v16i8)__msa_fill_w(m->green_to_blue_ | + (m->green_to_red_ << 16)); + const v16i8 r2b = (v16i8)__msa_fill_w(m->red_to_blue_); + const v16u8 mask0 = { 1, 255, 1, 255, 5, 255, 5, 255, 9, 255, 9, 255, + 13, 255, 13, 255 }; + const v16u8 mask1 = { 16, 1, 18, 3, 20, 5, 22, 7, 24, 9, 26, 11, + 28, 13, 30, 15 }; + + while (num_pixels >= 8) { + v16u8 src1, dst1; + LD_UB2(src, 4, src0, src1); + TRANSFORM_COLOR_INVERSE_8(src0, src1, dst0, dst1, g2br, r2b, mask0, mask1); + ST_UB2(dst0, dst1, dst, 4); + src += 8; + dst += 8; + num_pixels -= 8; + } + if (num_pixels > 0) { + if (num_pixels >= 4) { + src0 = LD_UB(src); + TRANSFORM_COLOR_INVERSE_4(src0, dst0, g2br, r2b, mask0, mask1); + ST_UB(dst0, dst); + src += 4; + dst += 4; + num_pixels -= 4; + } + if (num_pixels > 0) { + src0 = LD_UB(src); + TRANSFORM_COLOR_INVERSE_4(src0, dst0, g2br, r2b, mask0, mask1); + if (num_pixels == 3) { + const uint64_t pix_d = __msa_copy_s_d((v2i64)dst0, 0); + const uint32_t pix_w = __msa_copy_s_w((v4i32)dst0, 2); + SD(pix_d, dst + 0); + SW(pix_w, dst + 2); + } else if (num_pixels == 2) { + const uint64_t pix_d = __msa_copy_s_d((v2i64)dst0, 0); + SD(pix_d, dst); + } else { + const uint32_t pix_w = __msa_copy_s_w((v4i32)dst0, 0); + SW(pix_w, dst); + } + } + } +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8LDspInitMSA(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitMSA(void) { + VP8LConvertBGRAToRGBA = ConvertBGRAToRGBA_MSA; + VP8LConvertBGRAToBGR = ConvertBGRAToBGR_MSA; + VP8LConvertBGRAToRGB = ConvertBGRAToRGB_MSA; + + VP8LAddGreenToBlueAndRed = AddGreenToBlueAndRed_MSA; + VP8LTransformColorInverse = TransformColorInverse_MSA; +} + +#else // !WEBP_USE_MSA + +WEBP_DSP_INIT_STUB(VP8LDspInitMSA) + +#endif // WEBP_USE_MSA diff --git a/ProductApp/Pods/libwebp/src/dsp/lossless_neon.c b/ProductApp/Pods/libwebp/src/dsp/lossless_neon.c new file mode 100644 index 0000000..ddc9b61 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/lossless_neon.c @@ -0,0 +1,645 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// NEON variant of methods for lossless decoder +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_NEON) + +#include + +#include "src/dsp/lossless.h" +#include "src/dsp/neon.h" + +//------------------------------------------------------------------------------ +// Colorspace conversion functions + +#if !defined(WORK_AROUND_GCC) +// gcc 4.6.0 had some trouble (NDK-r9) with this code. We only use it for +// gcc-4.8.x at least. +static void ConvertBGRAToRGBA_NEON(const uint32_t* src, + int num_pixels, uint8_t* dst) { + const uint32_t* const end = src + (num_pixels & ~15); + for (; src < end; src += 16) { + uint8x16x4_t pixel = vld4q_u8((uint8_t*)src); + // swap B and R. (VSWP d0,d2 has no intrinsics equivalent!) + const uint8x16_t tmp = pixel.val[0]; + pixel.val[0] = pixel.val[2]; + pixel.val[2] = tmp; + vst4q_u8(dst, pixel); + dst += 64; + } + VP8LConvertBGRAToRGBA_C(src, num_pixels & 15, dst); // left-overs +} + +static void ConvertBGRAToBGR_NEON(const uint32_t* src, + int num_pixels, uint8_t* dst) { + const uint32_t* const end = src + (num_pixels & ~15); + for (; src < end; src += 16) { + const uint8x16x4_t pixel = vld4q_u8((uint8_t*)src); + const uint8x16x3_t tmp = { { pixel.val[0], pixel.val[1], pixel.val[2] } }; + vst3q_u8(dst, tmp); + dst += 48; + } + VP8LConvertBGRAToBGR_C(src, num_pixels & 15, dst); // left-overs +} + +static void ConvertBGRAToRGB_NEON(const uint32_t* src, + int num_pixels, uint8_t* dst) { + const uint32_t* const end = src + (num_pixels & ~15); + for (; src < end; src += 16) { + const uint8x16x4_t pixel = vld4q_u8((uint8_t*)src); + const uint8x16x3_t tmp = { { pixel.val[2], pixel.val[1], pixel.val[0] } }; + vst3q_u8(dst, tmp); + dst += 48; + } + VP8LConvertBGRAToRGB_C(src, num_pixels & 15, dst); // left-overs +} + +#else // WORK_AROUND_GCC + +// gcc-4.6.0 fallback + +static const uint8_t kRGBAShuffle[8] = { 2, 1, 0, 3, 6, 5, 4, 7 }; + +static void ConvertBGRAToRGBA_NEON(const uint32_t* src, + int num_pixels, uint8_t* dst) { + const uint32_t* const end = src + (num_pixels & ~1); + const uint8x8_t shuffle = vld1_u8(kRGBAShuffle); + for (; src < end; src += 2) { + const uint8x8_t pixels = vld1_u8((uint8_t*)src); + vst1_u8(dst, vtbl1_u8(pixels, shuffle)); + dst += 8; + } + VP8LConvertBGRAToRGBA_C(src, num_pixels & 1, dst); // left-overs +} + +static const uint8_t kBGRShuffle[3][8] = { + { 0, 1, 2, 4, 5, 6, 8, 9 }, + { 10, 12, 13, 14, 16, 17, 18, 20 }, + { 21, 22, 24, 25, 26, 28, 29, 30 } +}; + +static void ConvertBGRAToBGR_NEON(const uint32_t* src, + int num_pixels, uint8_t* dst) { + const uint32_t* const end = src + (num_pixels & ~7); + const uint8x8_t shuffle0 = vld1_u8(kBGRShuffle[0]); + const uint8x8_t shuffle1 = vld1_u8(kBGRShuffle[1]); + const uint8x8_t shuffle2 = vld1_u8(kBGRShuffle[2]); + for (; src < end; src += 8) { + uint8x8x4_t pixels; + INIT_VECTOR4(pixels, + vld1_u8((const uint8_t*)(src + 0)), + vld1_u8((const uint8_t*)(src + 2)), + vld1_u8((const uint8_t*)(src + 4)), + vld1_u8((const uint8_t*)(src + 6))); + vst1_u8(dst + 0, vtbl4_u8(pixels, shuffle0)); + vst1_u8(dst + 8, vtbl4_u8(pixels, shuffle1)); + vst1_u8(dst + 16, vtbl4_u8(pixels, shuffle2)); + dst += 8 * 3; + } + VP8LConvertBGRAToBGR_C(src, num_pixels & 7, dst); // left-overs +} + +static const uint8_t kRGBShuffle[3][8] = { + { 2, 1, 0, 6, 5, 4, 10, 9 }, + { 8, 14, 13, 12, 18, 17, 16, 22 }, + { 21, 20, 26, 25, 24, 30, 29, 28 } +}; + +static void ConvertBGRAToRGB_NEON(const uint32_t* src, + int num_pixels, uint8_t* dst) { + const uint32_t* const end = src + (num_pixels & ~7); + const uint8x8_t shuffle0 = vld1_u8(kRGBShuffle[0]); + const uint8x8_t shuffle1 = vld1_u8(kRGBShuffle[1]); + const uint8x8_t shuffle2 = vld1_u8(kRGBShuffle[2]); + for (; src < end; src += 8) { + uint8x8x4_t pixels; + INIT_VECTOR4(pixels, + vld1_u8((const uint8_t*)(src + 0)), + vld1_u8((const uint8_t*)(src + 2)), + vld1_u8((const uint8_t*)(src + 4)), + vld1_u8((const uint8_t*)(src + 6))); + vst1_u8(dst + 0, vtbl4_u8(pixels, shuffle0)); + vst1_u8(dst + 8, vtbl4_u8(pixels, shuffle1)); + vst1_u8(dst + 16, vtbl4_u8(pixels, shuffle2)); + dst += 8 * 3; + } + VP8LConvertBGRAToRGB_C(src, num_pixels & 7, dst); // left-overs +} + +#endif // !WORK_AROUND_GCC + +//------------------------------------------------------------------------------ +// Predictor Transform + +#define LOAD_U32_AS_U8(IN) vreinterpret_u8_u32(vdup_n_u32((IN))) +#define LOAD_U32P_AS_U8(IN) vreinterpret_u8_u32(vld1_u32((IN))) +#define LOADQ_U32_AS_U8(IN) vreinterpretq_u8_u32(vdupq_n_u32((IN))) +#define LOADQ_U32P_AS_U8(IN) vreinterpretq_u8_u32(vld1q_u32((IN))) +#define GET_U8_AS_U32(IN) vget_lane_u32(vreinterpret_u32_u8((IN)), 0); +#define GETQ_U8_AS_U32(IN) vgetq_lane_u32(vreinterpretq_u32_u8((IN)), 0); +#define STOREQ_U8_AS_U32P(OUT, IN) vst1q_u32((OUT), vreinterpretq_u32_u8((IN))); +#define ROTATE32_LEFT(L) vextq_u8((L), (L), 12) // D|C|B|A -> C|B|A|D + +static WEBP_INLINE uint8x8_t Average2_u8_NEON(uint32_t a0, uint32_t a1) { + const uint8x8_t A0 = LOAD_U32_AS_U8(a0); + const uint8x8_t A1 = LOAD_U32_AS_U8(a1); + return vhadd_u8(A0, A1); +} + +static WEBP_INLINE uint32_t ClampedAddSubtractHalf_NEON(uint32_t c0, + uint32_t c1, + uint32_t c2) { + const uint8x8_t avg = Average2_u8_NEON(c0, c1); + // Remove one to c2 when bigger than avg. + const uint8x8_t C2 = LOAD_U32_AS_U8(c2); + const uint8x8_t cmp = vcgt_u8(C2, avg); + const uint8x8_t C2_1 = vadd_u8(C2, cmp); + // Compute half of the difference between avg and c2. + const int8x8_t diff_avg = vreinterpret_s8_u8(vhsub_u8(avg, C2_1)); + // Compute the sum with avg and saturate. + const int16x8_t avg_16 = vreinterpretq_s16_u16(vmovl_u8(avg)); + const uint8x8_t res = vqmovun_s16(vaddw_s8(avg_16, diff_avg)); + const uint32_t output = GET_U8_AS_U32(res); + return output; +} + +static WEBP_INLINE uint32_t Average2_NEON(uint32_t a0, uint32_t a1) { + const uint8x8_t avg_u8x8 = Average2_u8_NEON(a0, a1); + const uint32_t avg = GET_U8_AS_U32(avg_u8x8); + return avg; +} + +static WEBP_INLINE uint32_t Average3_NEON(uint32_t a0, uint32_t a1, + uint32_t a2) { + const uint8x8_t avg0 = Average2_u8_NEON(a0, a2); + const uint8x8_t A1 = LOAD_U32_AS_U8(a1); + const uint32_t avg = GET_U8_AS_U32(vhadd_u8(avg0, A1)); + return avg; +} + +static uint32_t Predictor5_NEON(const uint32_t* const left, + const uint32_t* const top) { + return Average3_NEON(*left, top[0], top[1]); +} +static uint32_t Predictor6_NEON(const uint32_t* const left, + const uint32_t* const top) { + return Average2_NEON(*left, top[-1]); +} +static uint32_t Predictor7_NEON(const uint32_t* const left, + const uint32_t* const top) { + return Average2_NEON(*left, top[0]); +} +static uint32_t Predictor13_NEON(const uint32_t* const left, + const uint32_t* const top) { + return ClampedAddSubtractHalf_NEON(*left, top[0], top[-1]); +} + +// Batch versions of those functions. + +// Predictor0: ARGB_BLACK. +static void PredictorAdd0_NEON(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + const uint8x16_t black = vreinterpretq_u8_u32(vdupq_n_u32(ARGB_BLACK)); + for (i = 0; i + 4 <= num_pixels; i += 4) { + const uint8x16_t src = LOADQ_U32P_AS_U8(&in[i]); + const uint8x16_t res = vaddq_u8(src, black); + STOREQ_U8_AS_U32P(&out[i], res); + } + VP8LPredictorsAdd_C[0](in + i, upper + i, num_pixels - i, out + i); +} + +// Predictor1: left. +static void PredictorAdd1_NEON(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + const uint8x16_t zero = LOADQ_U32_AS_U8(0); + for (i = 0; i + 4 <= num_pixels; i += 4) { + // a | b | c | d + const uint8x16_t src = LOADQ_U32P_AS_U8(&in[i]); + // 0 | a | b | c + const uint8x16_t shift0 = vextq_u8(zero, src, 12); + // a | a + b | b + c | c + d + const uint8x16_t sum0 = vaddq_u8(src, shift0); + // 0 | 0 | a | a + b + const uint8x16_t shift1 = vextq_u8(zero, sum0, 8); + // a | a + b | a + b + c | a + b + c + d + const uint8x16_t sum1 = vaddq_u8(sum0, shift1); + const uint8x16_t prev = LOADQ_U32_AS_U8(out[i - 1]); + const uint8x16_t res = vaddq_u8(sum1, prev); + STOREQ_U8_AS_U32P(&out[i], res); + } + VP8LPredictorsAdd_C[1](in + i, upper + i, num_pixels - i, out + i); +} + +// Macro that adds 32-bit integers from IN using mod 256 arithmetic +// per 8 bit channel. +#define GENERATE_PREDICTOR_1(X, IN) \ +static void PredictorAdd##X##_NEON(const uint32_t* in, \ + const uint32_t* upper, int num_pixels, \ + uint32_t* out) { \ + int i; \ + for (i = 0; i + 4 <= num_pixels; i += 4) { \ + const uint8x16_t src = LOADQ_U32P_AS_U8(&in[i]); \ + const uint8x16_t other = LOADQ_U32P_AS_U8(&(IN)); \ + const uint8x16_t res = vaddq_u8(src, other); \ + STOREQ_U8_AS_U32P(&out[i], res); \ + } \ + VP8LPredictorsAdd_C[(X)](in + i, upper + i, num_pixels - i, out + i); \ +} +// Predictor2: Top. +GENERATE_PREDICTOR_1(2, upper[i]) +// Predictor3: Top-right. +GENERATE_PREDICTOR_1(3, upper[i + 1]) +// Predictor4: Top-left. +GENERATE_PREDICTOR_1(4, upper[i - 1]) +#undef GENERATE_PREDICTOR_1 + +// Predictor5: average(average(left, TR), T) +#define DO_PRED5(LANE) do { \ + const uint8x16_t avgLTR = vhaddq_u8(L, TR); \ + const uint8x16_t avg = vhaddq_u8(avgLTR, T); \ + const uint8x16_t res = vaddq_u8(avg, src); \ + vst1q_lane_u32(&out[i + (LANE)], vreinterpretq_u32_u8(res), (LANE)); \ + L = ROTATE32_LEFT(res); \ +} while (0) + +static void PredictorAdd5_NEON(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + uint8x16_t L = LOADQ_U32_AS_U8(out[-1]); + for (i = 0; i + 4 <= num_pixels; i += 4) { + const uint8x16_t src = LOADQ_U32P_AS_U8(&in[i]); + const uint8x16_t T = LOADQ_U32P_AS_U8(&upper[i + 0]); + const uint8x16_t TR = LOADQ_U32P_AS_U8(&upper[i + 1]); + DO_PRED5(0); + DO_PRED5(1); + DO_PRED5(2); + DO_PRED5(3); + } + VP8LPredictorsAdd_C[5](in + i, upper + i, num_pixels - i, out + i); +} +#undef DO_PRED5 + +#define DO_PRED67(LANE) do { \ + const uint8x16_t avg = vhaddq_u8(L, top); \ + const uint8x16_t res = vaddq_u8(avg, src); \ + vst1q_lane_u32(&out[i + (LANE)], vreinterpretq_u32_u8(res), (LANE)); \ + L = ROTATE32_LEFT(res); \ +} while (0) + +// Predictor6: average(left, TL) +static void PredictorAdd6_NEON(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + uint8x16_t L = LOADQ_U32_AS_U8(out[-1]); + for (i = 0; i + 4 <= num_pixels; i += 4) { + const uint8x16_t src = LOADQ_U32P_AS_U8(&in[i]); + const uint8x16_t top = LOADQ_U32P_AS_U8(&upper[i - 1]); + DO_PRED67(0); + DO_PRED67(1); + DO_PRED67(2); + DO_PRED67(3); + } + VP8LPredictorsAdd_C[6](in + i, upper + i, num_pixels - i, out + i); +} + +// Predictor7: average(left, T) +static void PredictorAdd7_NEON(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + uint8x16_t L = LOADQ_U32_AS_U8(out[-1]); + for (i = 0; i + 4 <= num_pixels; i += 4) { + const uint8x16_t src = LOADQ_U32P_AS_U8(&in[i]); + const uint8x16_t top = LOADQ_U32P_AS_U8(&upper[i]); + DO_PRED67(0); + DO_PRED67(1); + DO_PRED67(2); + DO_PRED67(3); + } + VP8LPredictorsAdd_C[7](in + i, upper + i, num_pixels - i, out + i); +} +#undef DO_PRED67 + +#define GENERATE_PREDICTOR_2(X, IN) \ +static void PredictorAdd##X##_NEON(const uint32_t* in, \ + const uint32_t* upper, int num_pixels, \ + uint32_t* out) { \ + int i; \ + for (i = 0; i + 4 <= num_pixels; i += 4) { \ + const uint8x16_t src = LOADQ_U32P_AS_U8(&in[i]); \ + const uint8x16_t Tother = LOADQ_U32P_AS_U8(&(IN)); \ + const uint8x16_t T = LOADQ_U32P_AS_U8(&upper[i]); \ + const uint8x16_t avg = vhaddq_u8(T, Tother); \ + const uint8x16_t res = vaddq_u8(avg, src); \ + STOREQ_U8_AS_U32P(&out[i], res); \ + } \ + VP8LPredictorsAdd_C[(X)](in + i, upper + i, num_pixels - i, out + i); \ +} +// Predictor8: average TL T. +GENERATE_PREDICTOR_2(8, upper[i - 1]) +// Predictor9: average T TR. +GENERATE_PREDICTOR_2(9, upper[i + 1]) +#undef GENERATE_PREDICTOR_2 + +// Predictor10: average of (average of (L,TL), average of (T, TR)). +#define DO_PRED10(LANE) do { \ + const uint8x16_t avgLTL = vhaddq_u8(L, TL); \ + const uint8x16_t avg = vhaddq_u8(avgTTR, avgLTL); \ + const uint8x16_t res = vaddq_u8(avg, src); \ + vst1q_lane_u32(&out[i + (LANE)], vreinterpretq_u32_u8(res), (LANE)); \ + L = ROTATE32_LEFT(res); \ +} while (0) + +static void PredictorAdd10_NEON(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + uint8x16_t L = LOADQ_U32_AS_U8(out[-1]); + for (i = 0; i + 4 <= num_pixels; i += 4) { + const uint8x16_t src = LOADQ_U32P_AS_U8(&in[i]); + const uint8x16_t TL = LOADQ_U32P_AS_U8(&upper[i - 1]); + const uint8x16_t T = LOADQ_U32P_AS_U8(&upper[i]); + const uint8x16_t TR = LOADQ_U32P_AS_U8(&upper[i + 1]); + const uint8x16_t avgTTR = vhaddq_u8(T, TR); + DO_PRED10(0); + DO_PRED10(1); + DO_PRED10(2); + DO_PRED10(3); + } + VP8LPredictorsAdd_C[10](in + i, upper + i, num_pixels - i, out + i); +} +#undef DO_PRED10 + +// Predictor11: select. +#define DO_PRED11(LANE) do { \ + const uint8x16_t sumLin = vaddq_u8(L, src); /* in + L */ \ + const uint8x16_t pLTL = vabdq_u8(L, TL); /* |L - TL| */ \ + const uint16x8_t sum_LTL = vpaddlq_u8(pLTL); \ + const uint32x4_t pa = vpaddlq_u16(sum_LTL); \ + const uint32x4_t mask = vcleq_u32(pa, pb); \ + const uint8x16_t res = vbslq_u8(vreinterpretq_u8_u32(mask), sumTin, sumLin); \ + vst1q_lane_u32(&out[i + (LANE)], vreinterpretq_u32_u8(res), (LANE)); \ + L = ROTATE32_LEFT(res); \ +} while (0) + +static void PredictorAdd11_NEON(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + uint8x16_t L = LOADQ_U32_AS_U8(out[-1]); + for (i = 0; i + 4 <= num_pixels; i += 4) { + const uint8x16_t T = LOADQ_U32P_AS_U8(&upper[i]); + const uint8x16_t TL = LOADQ_U32P_AS_U8(&upper[i - 1]); + const uint8x16_t pTTL = vabdq_u8(T, TL); // |T - TL| + const uint16x8_t sum_TTL = vpaddlq_u8(pTTL); + const uint32x4_t pb = vpaddlq_u16(sum_TTL); + const uint8x16_t src = LOADQ_U32P_AS_U8(&in[i]); + const uint8x16_t sumTin = vaddq_u8(T, src); // in + T + DO_PRED11(0); + DO_PRED11(1); + DO_PRED11(2); + DO_PRED11(3); + } + VP8LPredictorsAdd_C[11](in + i, upper + i, num_pixels - i, out + i); +} +#undef DO_PRED11 + +// Predictor12: ClampedAddSubtractFull. +#define DO_PRED12(DIFF, LANE) do { \ + const uint8x8_t pred = \ + vqmovun_s16(vaddq_s16(vreinterpretq_s16_u16(L), (DIFF))); \ + const uint8x8_t res = \ + vadd_u8(pred, (LANE <= 1) ? vget_low_u8(src) : vget_high_u8(src)); \ + const uint16x8_t res16 = vmovl_u8(res); \ + vst1_lane_u32(&out[i + (LANE)], vreinterpret_u32_u8(res), (LANE) & 1); \ + /* rotate in the left predictor for next iteration */ \ + L = vextq_u16(res16, res16, 4); \ +} while (0) + +static void PredictorAdd12_NEON(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + uint16x8_t L = vmovl_u8(LOAD_U32_AS_U8(out[-1])); + for (i = 0; i + 4 <= num_pixels; i += 4) { + // load four pixels of source + const uint8x16_t src = LOADQ_U32P_AS_U8(&in[i]); + // precompute the difference T - TL once for all, stored as s16 + const uint8x16_t TL = LOADQ_U32P_AS_U8(&upper[i - 1]); + const uint8x16_t T = LOADQ_U32P_AS_U8(&upper[i]); + const int16x8_t diff_lo = + vreinterpretq_s16_u16(vsubl_u8(vget_low_u8(T), vget_low_u8(TL))); + const int16x8_t diff_hi = + vreinterpretq_s16_u16(vsubl_u8(vget_high_u8(T), vget_high_u8(TL))); + // loop over the four reconstructed pixels + DO_PRED12(diff_lo, 0); + DO_PRED12(diff_lo, 1); + DO_PRED12(diff_hi, 2); + DO_PRED12(diff_hi, 3); + } + VP8LPredictorsAdd_C[12](in + i, upper + i, num_pixels - i, out + i); +} +#undef DO_PRED12 + +// Predictor13: ClampedAddSubtractHalf +#define DO_PRED13(LANE, LOW_OR_HI) do { \ + const uint8x16_t avg = vhaddq_u8(L, T); \ + const uint8x16_t cmp = vcgtq_u8(TL, avg); \ + const uint8x16_t TL_1 = vaddq_u8(TL, cmp); \ + /* Compute half of the difference between avg and TL'. */ \ + const int8x8_t diff_avg = \ + vreinterpret_s8_u8(LOW_OR_HI(vhsubq_u8(avg, TL_1))); \ + /* Compute the sum with avg and saturate. */ \ + const int16x8_t avg_16 = vreinterpretq_s16_u16(vmovl_u8(LOW_OR_HI(avg))); \ + const uint8x8_t delta = vqmovun_s16(vaddw_s8(avg_16, diff_avg)); \ + const uint8x8_t res = vadd_u8(LOW_OR_HI(src), delta); \ + const uint8x16_t res2 = vcombine_u8(res, res); \ + vst1_lane_u32(&out[i + (LANE)], vreinterpret_u32_u8(res), (LANE) & 1); \ + L = ROTATE32_LEFT(res2); \ +} while (0) + +static void PredictorAdd13_NEON(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + uint8x16_t L = LOADQ_U32_AS_U8(out[-1]); + for (i = 0; i + 4 <= num_pixels; i += 4) { + const uint8x16_t src = LOADQ_U32P_AS_U8(&in[i]); + const uint8x16_t T = LOADQ_U32P_AS_U8(&upper[i]); + const uint8x16_t TL = LOADQ_U32P_AS_U8(&upper[i - 1]); + DO_PRED13(0, vget_low_u8); + DO_PRED13(1, vget_low_u8); + DO_PRED13(2, vget_high_u8); + DO_PRED13(3, vget_high_u8); + } + VP8LPredictorsAdd_C[13](in + i, upper + i, num_pixels - i, out + i); +} +#undef DO_PRED13 + +#undef LOAD_U32_AS_U8 +#undef LOAD_U32P_AS_U8 +#undef LOADQ_U32_AS_U8 +#undef LOADQ_U32P_AS_U8 +#undef GET_U8_AS_U32 +#undef GETQ_U8_AS_U32 +#undef STOREQ_U8_AS_U32P +#undef ROTATE32_LEFT + +//------------------------------------------------------------------------------ +// Subtract-Green Transform + +// vtbl?_u8 are marked unavailable for iOS arm64 with Xcode < 6.3, use +// non-standard versions there. +#if defined(__APPLE__) && WEBP_AARCH64 && \ + defined(__apple_build_version__) && (__apple_build_version__< 6020037) +#define USE_VTBLQ +#endif + +#ifdef USE_VTBLQ +// 255 = byte will be zeroed +static const uint8_t kGreenShuffle[16] = { + 1, 255, 1, 255, 5, 255, 5, 255, 9, 255, 9, 255, 13, 255, 13, 255 +}; + +static WEBP_INLINE uint8x16_t DoGreenShuffle_NEON(const uint8x16_t argb, + const uint8x16_t shuffle) { + return vcombine_u8(vtbl1q_u8(argb, vget_low_u8(shuffle)), + vtbl1q_u8(argb, vget_high_u8(shuffle))); +} +#else // !USE_VTBLQ +// 255 = byte will be zeroed +static const uint8_t kGreenShuffle[8] = { 1, 255, 1, 255, 5, 255, 5, 255 }; + +static WEBP_INLINE uint8x16_t DoGreenShuffle_NEON(const uint8x16_t argb, + const uint8x8_t shuffle) { + return vcombine_u8(vtbl1_u8(vget_low_u8(argb), shuffle), + vtbl1_u8(vget_high_u8(argb), shuffle)); +} +#endif // USE_VTBLQ + +static void AddGreenToBlueAndRed_NEON(const uint32_t* src, int num_pixels, + uint32_t* dst) { + const uint32_t* const end = src + (num_pixels & ~3); +#ifdef USE_VTBLQ + const uint8x16_t shuffle = vld1q_u8(kGreenShuffle); +#else + const uint8x8_t shuffle = vld1_u8(kGreenShuffle); +#endif + for (; src < end; src += 4, dst += 4) { + const uint8x16_t argb = vld1q_u8((const uint8_t*)src); + const uint8x16_t greens = DoGreenShuffle_NEON(argb, shuffle); + vst1q_u8((uint8_t*)dst, vaddq_u8(argb, greens)); + } + // fallthrough and finish off with plain-C + VP8LAddGreenToBlueAndRed_C(src, num_pixels & 3, dst); +} + +//------------------------------------------------------------------------------ +// Color Transform + +static void TransformColorInverse_NEON(const VP8LMultipliers* const m, + const uint32_t* const src, + int num_pixels, uint32_t* dst) { +// sign-extended multiplying constants, pre-shifted by 6. +#define CST(X) (((int16_t)(m->X << 8)) >> 6) + const int16_t rb[8] = { + CST(green_to_blue_), CST(green_to_red_), + CST(green_to_blue_), CST(green_to_red_), + CST(green_to_blue_), CST(green_to_red_), + CST(green_to_blue_), CST(green_to_red_) + }; + const int16x8_t mults_rb = vld1q_s16(rb); + const int16_t b2[8] = { + 0, CST(red_to_blue_), 0, CST(red_to_blue_), + 0, CST(red_to_blue_), 0, CST(red_to_blue_), + }; + const int16x8_t mults_b2 = vld1q_s16(b2); +#undef CST +#ifdef USE_VTBLQ + static const uint8_t kg0g0[16] = { + 255, 1, 255, 1, 255, 5, 255, 5, 255, 9, 255, 9, 255, 13, 255, 13 + }; + const uint8x16_t shuffle = vld1q_u8(kg0g0); +#else + static const uint8_t k0g0g[8] = { 255, 1, 255, 1, 255, 5, 255, 5 }; + const uint8x8_t shuffle = vld1_u8(k0g0g); +#endif + const uint32x4_t mask_ag = vdupq_n_u32(0xff00ff00u); + int i; + for (i = 0; i + 4 <= num_pixels; i += 4) { + const uint8x16_t in = vld1q_u8((const uint8_t*)(src + i)); + const uint32x4_t a0g0 = vandq_u32(vreinterpretq_u32_u8(in), mask_ag); + // 0 g 0 g + const uint8x16_t greens = DoGreenShuffle_NEON(in, shuffle); + // x dr x db1 + const int16x8_t A = vqdmulhq_s16(vreinterpretq_s16_u8(greens), mults_rb); + // x r' x b' + const int8x16_t B = vaddq_s8(vreinterpretq_s8_u8(in), + vreinterpretq_s8_s16(A)); + // r' 0 b' 0 + const int16x8_t C = vshlq_n_s16(vreinterpretq_s16_s8(B), 8); + // x db2 0 0 + const int16x8_t D = vqdmulhq_s16(C, mults_b2); + // 0 x db2 0 + const uint32x4_t E = vshrq_n_u32(vreinterpretq_u32_s16(D), 8); + // r' x b'' 0 + const int8x16_t F = vaddq_s8(vreinterpretq_s8_u32(E), + vreinterpretq_s8_s16(C)); + // 0 r' 0 b'' + const uint16x8_t G = vshrq_n_u16(vreinterpretq_u16_s8(F), 8); + const uint32x4_t out = vorrq_u32(vreinterpretq_u32_u16(G), a0g0); + vst1q_u32(dst + i, out); + } + // Fall-back to C-version for left-overs. + VP8LTransformColorInverse_C(m, src + i, num_pixels - i, dst + i); +} + +#undef USE_VTBLQ + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8LDspInitNEON(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitNEON(void) { + VP8LPredictors[5] = Predictor5_NEON; + VP8LPredictors[6] = Predictor6_NEON; + VP8LPredictors[7] = Predictor7_NEON; + VP8LPredictors[13] = Predictor13_NEON; + + VP8LPredictorsAdd[0] = PredictorAdd0_NEON; + VP8LPredictorsAdd[1] = PredictorAdd1_NEON; + VP8LPredictorsAdd[2] = PredictorAdd2_NEON; + VP8LPredictorsAdd[3] = PredictorAdd3_NEON; + VP8LPredictorsAdd[4] = PredictorAdd4_NEON; + VP8LPredictorsAdd[5] = PredictorAdd5_NEON; + VP8LPredictorsAdd[6] = PredictorAdd6_NEON; + VP8LPredictorsAdd[7] = PredictorAdd7_NEON; + VP8LPredictorsAdd[8] = PredictorAdd8_NEON; + VP8LPredictorsAdd[9] = PredictorAdd9_NEON; + VP8LPredictorsAdd[10] = PredictorAdd10_NEON; + VP8LPredictorsAdd[11] = PredictorAdd11_NEON; + VP8LPredictorsAdd[12] = PredictorAdd12_NEON; + VP8LPredictorsAdd[13] = PredictorAdd13_NEON; + + VP8LConvertBGRAToRGBA = ConvertBGRAToRGBA_NEON; + VP8LConvertBGRAToBGR = ConvertBGRAToBGR_NEON; + VP8LConvertBGRAToRGB = ConvertBGRAToRGB_NEON; + + VP8LAddGreenToBlueAndRed = AddGreenToBlueAndRed_NEON; + VP8LTransformColorInverse = TransformColorInverse_NEON; +} + +#else // !WEBP_USE_NEON + +WEBP_DSP_INIT_STUB(VP8LDspInitNEON) + +#endif // WEBP_USE_NEON diff --git a/ProductApp/Pods/libwebp/src/dsp/lossless_sse2.c b/ProductApp/Pods/libwebp/src/dsp/lossless_sse2.c new file mode 100644 index 0000000..4b6a532 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/lossless_sse2.c @@ -0,0 +1,712 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// SSE2 variant of methods for lossless decoder +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_SSE2) + +#include "src/dsp/common_sse2.h" +#include "src/dsp/lossless.h" +#include "src/dsp/lossless_common.h" +#include + +//------------------------------------------------------------------------------ +// Predictor Transform + +static WEBP_INLINE uint32_t ClampedAddSubtractFull_SSE2(uint32_t c0, + uint32_t c1, + uint32_t c2) { + const __m128i zero = _mm_setzero_si128(); + const __m128i C0 = _mm_unpacklo_epi8(_mm_cvtsi32_si128((int)c0), zero); + const __m128i C1 = _mm_unpacklo_epi8(_mm_cvtsi32_si128((int)c1), zero); + const __m128i C2 = _mm_unpacklo_epi8(_mm_cvtsi32_si128((int)c2), zero); + const __m128i V1 = _mm_add_epi16(C0, C1); + const __m128i V2 = _mm_sub_epi16(V1, C2); + const __m128i b = _mm_packus_epi16(V2, V2); + return (uint32_t)_mm_cvtsi128_si32(b); +} + +static WEBP_INLINE uint32_t ClampedAddSubtractHalf_SSE2(uint32_t c0, + uint32_t c1, + uint32_t c2) { + const __m128i zero = _mm_setzero_si128(); + const __m128i C0 = _mm_unpacklo_epi8(_mm_cvtsi32_si128((int)c0), zero); + const __m128i C1 = _mm_unpacklo_epi8(_mm_cvtsi32_si128((int)c1), zero); + const __m128i B0 = _mm_unpacklo_epi8(_mm_cvtsi32_si128((int)c2), zero); + const __m128i avg = _mm_add_epi16(C1, C0); + const __m128i A0 = _mm_srli_epi16(avg, 1); + const __m128i A1 = _mm_sub_epi16(A0, B0); + const __m128i BgtA = _mm_cmpgt_epi16(B0, A0); + const __m128i A2 = _mm_sub_epi16(A1, BgtA); + const __m128i A3 = _mm_srai_epi16(A2, 1); + const __m128i A4 = _mm_add_epi16(A0, A3); + const __m128i A5 = _mm_packus_epi16(A4, A4); + return (uint32_t)_mm_cvtsi128_si32(A5); +} + +static WEBP_INLINE uint32_t Select_SSE2(uint32_t a, uint32_t b, uint32_t c) { + int pa_minus_pb; + const __m128i zero = _mm_setzero_si128(); + const __m128i A0 = _mm_cvtsi32_si128((int)a); + const __m128i B0 = _mm_cvtsi32_si128((int)b); + const __m128i C0 = _mm_cvtsi32_si128((int)c); + const __m128i AC0 = _mm_subs_epu8(A0, C0); + const __m128i CA0 = _mm_subs_epu8(C0, A0); + const __m128i BC0 = _mm_subs_epu8(B0, C0); + const __m128i CB0 = _mm_subs_epu8(C0, B0); + const __m128i AC = _mm_or_si128(AC0, CA0); + const __m128i BC = _mm_or_si128(BC0, CB0); + const __m128i pa = _mm_unpacklo_epi8(AC, zero); // |a - c| + const __m128i pb = _mm_unpacklo_epi8(BC, zero); // |b - c| + const __m128i diff = _mm_sub_epi16(pb, pa); + { + int16_t out[8]; + _mm_storeu_si128((__m128i*)out, diff); + pa_minus_pb = out[0] + out[1] + out[2] + out[3]; + } + return (pa_minus_pb <= 0) ? a : b; +} + +static WEBP_INLINE void Average2_m128i(const __m128i* const a0, + const __m128i* const a1, + __m128i* const avg) { + // (a + b) >> 1 = ((a + b + 1) >> 1) - ((a ^ b) & 1) + const __m128i ones = _mm_set1_epi8(1); + const __m128i avg1 = _mm_avg_epu8(*a0, *a1); + const __m128i one = _mm_and_si128(_mm_xor_si128(*a0, *a1), ones); + *avg = _mm_sub_epi8(avg1, one); +} + +static WEBP_INLINE void Average2_uint32_SSE2(const uint32_t a0, + const uint32_t a1, + __m128i* const avg) { + // (a + b) >> 1 = ((a + b + 1) >> 1) - ((a ^ b) & 1) + const __m128i ones = _mm_set1_epi8(1); + const __m128i A0 = _mm_cvtsi32_si128((int)a0); + const __m128i A1 = _mm_cvtsi32_si128((int)a1); + const __m128i avg1 = _mm_avg_epu8(A0, A1); + const __m128i one = _mm_and_si128(_mm_xor_si128(A0, A1), ones); + *avg = _mm_sub_epi8(avg1, one); +} + +static WEBP_INLINE __m128i Average2_uint32_16_SSE2(uint32_t a0, uint32_t a1) { + const __m128i zero = _mm_setzero_si128(); + const __m128i A0 = _mm_unpacklo_epi8(_mm_cvtsi32_si128((int)a0), zero); + const __m128i A1 = _mm_unpacklo_epi8(_mm_cvtsi32_si128((int)a1), zero); + const __m128i sum = _mm_add_epi16(A1, A0); + return _mm_srli_epi16(sum, 1); +} + +static WEBP_INLINE uint32_t Average2_SSE2(uint32_t a0, uint32_t a1) { + __m128i output; + Average2_uint32_SSE2(a0, a1, &output); + return (uint32_t)_mm_cvtsi128_si32(output); +} + +static WEBP_INLINE uint32_t Average3_SSE2(uint32_t a0, uint32_t a1, + uint32_t a2) { + const __m128i zero = _mm_setzero_si128(); + const __m128i avg1 = Average2_uint32_16_SSE2(a0, a2); + const __m128i A1 = _mm_unpacklo_epi8(_mm_cvtsi32_si128((int)a1), zero); + const __m128i sum = _mm_add_epi16(avg1, A1); + const __m128i avg2 = _mm_srli_epi16(sum, 1); + const __m128i A2 = _mm_packus_epi16(avg2, avg2); + return (uint32_t)_mm_cvtsi128_si32(A2); +} + +static WEBP_INLINE uint32_t Average4_SSE2(uint32_t a0, uint32_t a1, + uint32_t a2, uint32_t a3) { + const __m128i avg1 = Average2_uint32_16_SSE2(a0, a1); + const __m128i avg2 = Average2_uint32_16_SSE2(a2, a3); + const __m128i sum = _mm_add_epi16(avg2, avg1); + const __m128i avg3 = _mm_srli_epi16(sum, 1); + const __m128i A0 = _mm_packus_epi16(avg3, avg3); + return (uint32_t)_mm_cvtsi128_si32(A0); +} + +static uint32_t Predictor5_SSE2(const uint32_t* const left, + const uint32_t* const top) { + const uint32_t pred = Average3_SSE2(*left, top[0], top[1]); + return pred; +} +static uint32_t Predictor6_SSE2(const uint32_t* const left, + const uint32_t* const top) { + const uint32_t pred = Average2_SSE2(*left, top[-1]); + return pred; +} +static uint32_t Predictor7_SSE2(const uint32_t* const left, + const uint32_t* const top) { + const uint32_t pred = Average2_SSE2(*left, top[0]); + return pred; +} +static uint32_t Predictor8_SSE2(const uint32_t* const left, + const uint32_t* const top) { + const uint32_t pred = Average2_SSE2(top[-1], top[0]); + (void)left; + return pred; +} +static uint32_t Predictor9_SSE2(const uint32_t* const left, + const uint32_t* const top) { + const uint32_t pred = Average2_SSE2(top[0], top[1]); + (void)left; + return pred; +} +static uint32_t Predictor10_SSE2(const uint32_t* const left, + const uint32_t* const top) { + const uint32_t pred = Average4_SSE2(*left, top[-1], top[0], top[1]); + return pred; +} +static uint32_t Predictor11_SSE2(const uint32_t* const left, + const uint32_t* const top) { + const uint32_t pred = Select_SSE2(top[0], *left, top[-1]); + return pred; +} +static uint32_t Predictor12_SSE2(const uint32_t* const left, + const uint32_t* const top) { + const uint32_t pred = ClampedAddSubtractFull_SSE2(*left, top[0], top[-1]); + return pred; +} +static uint32_t Predictor13_SSE2(const uint32_t* const left, + const uint32_t* const top) { + const uint32_t pred = ClampedAddSubtractHalf_SSE2(*left, top[0], top[-1]); + return pred; +} + +// Batch versions of those functions. + +// Predictor0: ARGB_BLACK. +static void PredictorAdd0_SSE2(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + const __m128i black = _mm_set1_epi32((int)ARGB_BLACK); + for (i = 0; i + 4 <= num_pixels; i += 4) { + const __m128i src = _mm_loadu_si128((const __m128i*)&in[i]); + const __m128i res = _mm_add_epi8(src, black); + _mm_storeu_si128((__m128i*)&out[i], res); + } + if (i != num_pixels) { + VP8LPredictorsAdd_C[0](in + i, NULL, num_pixels - i, out + i); + } + (void)upper; +} + +// Predictor1: left. +static void PredictorAdd1_SSE2(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + __m128i prev = _mm_set1_epi32((int)out[-1]); + for (i = 0; i + 4 <= num_pixels; i += 4) { + // a | b | c | d + const __m128i src = _mm_loadu_si128((const __m128i*)&in[i]); + // 0 | a | b | c + const __m128i shift0 = _mm_slli_si128(src, 4); + // a | a + b | b + c | c + d + const __m128i sum0 = _mm_add_epi8(src, shift0); + // 0 | 0 | a | a + b + const __m128i shift1 = _mm_slli_si128(sum0, 8); + // a | a + b | a + b + c | a + b + c + d + const __m128i sum1 = _mm_add_epi8(sum0, shift1); + const __m128i res = _mm_add_epi8(sum1, prev); + _mm_storeu_si128((__m128i*)&out[i], res); + // replicate prev output on the four lanes + prev = _mm_shuffle_epi32(res, (3 << 0) | (3 << 2) | (3 << 4) | (3 << 6)); + } + if (i != num_pixels) { + VP8LPredictorsAdd_C[1](in + i, upper + i, num_pixels - i, out + i); + } +} + +// Macro that adds 32-bit integers from IN using mod 256 arithmetic +// per 8 bit channel. +#define GENERATE_PREDICTOR_1(X, IN) \ +static void PredictorAdd##X##_SSE2(const uint32_t* in, const uint32_t* upper, \ + int num_pixels, uint32_t* out) { \ + int i; \ + for (i = 0; i + 4 <= num_pixels; i += 4) { \ + const __m128i src = _mm_loadu_si128((const __m128i*)&in[i]); \ + const __m128i other = _mm_loadu_si128((const __m128i*)&(IN)); \ + const __m128i res = _mm_add_epi8(src, other); \ + _mm_storeu_si128((__m128i*)&out[i], res); \ + } \ + if (i != num_pixels) { \ + VP8LPredictorsAdd_C[(X)](in + i, upper + i, num_pixels - i, out + i); \ + } \ +} + +// Predictor2: Top. +GENERATE_PREDICTOR_1(2, upper[i]) +// Predictor3: Top-right. +GENERATE_PREDICTOR_1(3, upper[i + 1]) +// Predictor4: Top-left. +GENERATE_PREDICTOR_1(4, upper[i - 1]) +#undef GENERATE_PREDICTOR_1 + +// Due to averages with integers, values cannot be accumulated in parallel for +// predictors 5 to 7. +GENERATE_PREDICTOR_ADD(Predictor5_SSE2, PredictorAdd5_SSE2) +GENERATE_PREDICTOR_ADD(Predictor6_SSE2, PredictorAdd6_SSE2) +GENERATE_PREDICTOR_ADD(Predictor7_SSE2, PredictorAdd7_SSE2) + +#define GENERATE_PREDICTOR_2(X, IN) \ +static void PredictorAdd##X##_SSE2(const uint32_t* in, const uint32_t* upper, \ + int num_pixels, uint32_t* out) { \ + int i; \ + for (i = 0; i + 4 <= num_pixels; i += 4) { \ + const __m128i Tother = _mm_loadu_si128((const __m128i*)&(IN)); \ + const __m128i T = _mm_loadu_si128((const __m128i*)&upper[i]); \ + const __m128i src = _mm_loadu_si128((const __m128i*)&in[i]); \ + __m128i avg, res; \ + Average2_m128i(&T, &Tother, &avg); \ + res = _mm_add_epi8(avg, src); \ + _mm_storeu_si128((__m128i*)&out[i], res); \ + } \ + if (i != num_pixels) { \ + VP8LPredictorsAdd_C[(X)](in + i, upper + i, num_pixels - i, out + i); \ + } \ +} +// Predictor8: average TL T. +GENERATE_PREDICTOR_2(8, upper[i - 1]) +// Predictor9: average T TR. +GENERATE_PREDICTOR_2(9, upper[i + 1]) +#undef GENERATE_PREDICTOR_2 + +// Predictor10: average of (average of (L,TL), average of (T, TR)). +#define DO_PRED10(OUT) do { \ + __m128i avgLTL, avg; \ + Average2_m128i(&L, &TL, &avgLTL); \ + Average2_m128i(&avgTTR, &avgLTL, &avg); \ + L = _mm_add_epi8(avg, src); \ + out[i + (OUT)] = (uint32_t)_mm_cvtsi128_si32(L); \ +} while (0) + +#define DO_PRED10_SHIFT do { \ + /* Rotate the pre-computed values for the next iteration.*/ \ + avgTTR = _mm_srli_si128(avgTTR, 4); \ + TL = _mm_srli_si128(TL, 4); \ + src = _mm_srli_si128(src, 4); \ +} while (0) + +static void PredictorAdd10_SSE2(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + __m128i L = _mm_cvtsi32_si128((int)out[-1]); + for (i = 0; i + 4 <= num_pixels; i += 4) { + __m128i src = _mm_loadu_si128((const __m128i*)&in[i]); + __m128i TL = _mm_loadu_si128((const __m128i*)&upper[i - 1]); + const __m128i T = _mm_loadu_si128((const __m128i*)&upper[i]); + const __m128i TR = _mm_loadu_si128((const __m128i*)&upper[i + 1]); + __m128i avgTTR; + Average2_m128i(&T, &TR, &avgTTR); + DO_PRED10(0); + DO_PRED10_SHIFT; + DO_PRED10(1); + DO_PRED10_SHIFT; + DO_PRED10(2); + DO_PRED10_SHIFT; + DO_PRED10(3); + } + if (i != num_pixels) { + VP8LPredictorsAdd_C[10](in + i, upper + i, num_pixels - i, out + i); + } +} +#undef DO_PRED10 +#undef DO_PRED10_SHIFT + +// Predictor11: select. +#define DO_PRED11(OUT) do { \ + const __m128i L_lo = _mm_unpacklo_epi32(L, T); \ + const __m128i TL_lo = _mm_unpacklo_epi32(TL, T); \ + const __m128i pb = _mm_sad_epu8(L_lo, TL_lo); /* pb = sum |L-TL|*/ \ + const __m128i mask = _mm_cmpgt_epi32(pb, pa); \ + const __m128i A = _mm_and_si128(mask, L); \ + const __m128i B = _mm_andnot_si128(mask, T); \ + const __m128i pred = _mm_or_si128(A, B); /* pred = (pa > b)? L : T*/ \ + L = _mm_add_epi8(src, pred); \ + out[i + (OUT)] = (uint32_t)_mm_cvtsi128_si32(L); \ +} while (0) + +#define DO_PRED11_SHIFT do { \ + /* Shift the pre-computed value for the next iteration.*/ \ + T = _mm_srli_si128(T, 4); \ + TL = _mm_srli_si128(TL, 4); \ + src = _mm_srli_si128(src, 4); \ + pa = _mm_srli_si128(pa, 4); \ +} while (0) + +static void PredictorAdd11_SSE2(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + __m128i pa; + __m128i L = _mm_cvtsi32_si128((int)out[-1]); + for (i = 0; i + 4 <= num_pixels; i += 4) { + __m128i T = _mm_loadu_si128((const __m128i*)&upper[i]); + __m128i TL = _mm_loadu_si128((const __m128i*)&upper[i - 1]); + __m128i src = _mm_loadu_si128((const __m128i*)&in[i]); + { + // We can unpack with any value on the upper 32 bits, provided it's the + // same on both operands (so that their sum of abs diff is zero). Here we + // use T. + const __m128i T_lo = _mm_unpacklo_epi32(T, T); + const __m128i TL_lo = _mm_unpacklo_epi32(TL, T); + const __m128i T_hi = _mm_unpackhi_epi32(T, T); + const __m128i TL_hi = _mm_unpackhi_epi32(TL, T); + const __m128i s_lo = _mm_sad_epu8(T_lo, TL_lo); + const __m128i s_hi = _mm_sad_epu8(T_hi, TL_hi); + pa = _mm_packs_epi32(s_lo, s_hi); // pa = sum |T-TL| + } + DO_PRED11(0); + DO_PRED11_SHIFT; + DO_PRED11(1); + DO_PRED11_SHIFT; + DO_PRED11(2); + DO_PRED11_SHIFT; + DO_PRED11(3); + } + if (i != num_pixels) { + VP8LPredictorsAdd_C[11](in + i, upper + i, num_pixels - i, out + i); + } +} +#undef DO_PRED11 +#undef DO_PRED11_SHIFT + +// Predictor12: ClampedAddSubtractFull. +#define DO_PRED12(DIFF, LANE, OUT) do { \ + const __m128i all = _mm_add_epi16(L, (DIFF)); \ + const __m128i alls = _mm_packus_epi16(all, all); \ + const __m128i res = _mm_add_epi8(src, alls); \ + out[i + (OUT)] = (uint32_t)_mm_cvtsi128_si32(res); \ + L = _mm_unpacklo_epi8(res, zero); \ +} while (0) + +#define DO_PRED12_SHIFT(DIFF, LANE) do { \ + /* Shift the pre-computed value for the next iteration.*/ \ + if ((LANE) == 0) (DIFF) = _mm_srli_si128((DIFF), 8); \ + src = _mm_srli_si128(src, 4); \ +} while (0) + +static void PredictorAdd12_SSE2(const uint32_t* in, const uint32_t* upper, + int num_pixels, uint32_t* out) { + int i; + const __m128i zero = _mm_setzero_si128(); + const __m128i L8 = _mm_cvtsi32_si128((int)out[-1]); + __m128i L = _mm_unpacklo_epi8(L8, zero); + for (i = 0; i + 4 <= num_pixels; i += 4) { + // Load 4 pixels at a time. + __m128i src = _mm_loadu_si128((const __m128i*)&in[i]); + const __m128i T = _mm_loadu_si128((const __m128i*)&upper[i]); + const __m128i T_lo = _mm_unpacklo_epi8(T, zero); + const __m128i T_hi = _mm_unpackhi_epi8(T, zero); + const __m128i TL = _mm_loadu_si128((const __m128i*)&upper[i - 1]); + const __m128i TL_lo = _mm_unpacklo_epi8(TL, zero); + const __m128i TL_hi = _mm_unpackhi_epi8(TL, zero); + __m128i diff_lo = _mm_sub_epi16(T_lo, TL_lo); + __m128i diff_hi = _mm_sub_epi16(T_hi, TL_hi); + DO_PRED12(diff_lo, 0, 0); + DO_PRED12_SHIFT(diff_lo, 0); + DO_PRED12(diff_lo, 1, 1); + DO_PRED12_SHIFT(diff_lo, 1); + DO_PRED12(diff_hi, 0, 2); + DO_PRED12_SHIFT(diff_hi, 0); + DO_PRED12(diff_hi, 1, 3); + } + if (i != num_pixels) { + VP8LPredictorsAdd_C[12](in + i, upper + i, num_pixels - i, out + i); + } +} +#undef DO_PRED12 +#undef DO_PRED12_SHIFT + +// Due to averages with integers, values cannot be accumulated in parallel for +// predictors 13. +GENERATE_PREDICTOR_ADD(Predictor13_SSE2, PredictorAdd13_SSE2) + +//------------------------------------------------------------------------------ +// Subtract-Green Transform + +static void AddGreenToBlueAndRed_SSE2(const uint32_t* const src, int num_pixels, + uint32_t* dst) { + int i; + for (i = 0; i + 4 <= num_pixels; i += 4) { + const __m128i in = _mm_loadu_si128((const __m128i*)&src[i]); // argb + const __m128i A = _mm_srli_epi16(in, 8); // 0 a 0 g + const __m128i B = _mm_shufflelo_epi16(A, _MM_SHUFFLE(2, 2, 0, 0)); + const __m128i C = _mm_shufflehi_epi16(B, _MM_SHUFFLE(2, 2, 0, 0)); // 0g0g + const __m128i out = _mm_add_epi8(in, C); + _mm_storeu_si128((__m128i*)&dst[i], out); + } + // fallthrough and finish off with plain-C + if (i != num_pixels) { + VP8LAddGreenToBlueAndRed_C(src + i, num_pixels - i, dst + i); + } +} + +//------------------------------------------------------------------------------ +// Color Transform + +static void TransformColorInverse_SSE2(const VP8LMultipliers* const m, + const uint32_t* const src, + int num_pixels, uint32_t* dst) { +// sign-extended multiplying constants, pre-shifted by 5. +#define CST(X) (((int16_t)(m->X << 8)) >> 5) // sign-extend +#define MK_CST_16(HI, LO) \ + _mm_set1_epi32((int)(((uint32_t)(HI) << 16) | ((LO) & 0xffff))) + const __m128i mults_rb = MK_CST_16(CST(green_to_red_), CST(green_to_blue_)); + const __m128i mults_b2 = MK_CST_16(CST(red_to_blue_), 0); +#undef MK_CST_16 +#undef CST + const __m128i mask_ag = _mm_set1_epi32((int)0xff00ff00); // alpha-green masks + int i; + for (i = 0; i + 4 <= num_pixels; i += 4) { + const __m128i in = _mm_loadu_si128((const __m128i*)&src[i]); // argb + const __m128i A = _mm_and_si128(in, mask_ag); // a 0 g 0 + const __m128i B = _mm_shufflelo_epi16(A, _MM_SHUFFLE(2, 2, 0, 0)); + const __m128i C = _mm_shufflehi_epi16(B, _MM_SHUFFLE(2, 2, 0, 0)); // g0g0 + const __m128i D = _mm_mulhi_epi16(C, mults_rb); // x dr x db1 + const __m128i E = _mm_add_epi8(in, D); // x r' x b' + const __m128i F = _mm_slli_epi16(E, 8); // r' 0 b' 0 + const __m128i G = _mm_mulhi_epi16(F, mults_b2); // x db2 0 0 + const __m128i H = _mm_srli_epi32(G, 8); // 0 x db2 0 + const __m128i I = _mm_add_epi8(H, F); // r' x b'' 0 + const __m128i J = _mm_srli_epi16(I, 8); // 0 r' 0 b'' + const __m128i out = _mm_or_si128(J, A); + _mm_storeu_si128((__m128i*)&dst[i], out); + } + // Fall-back to C-version for left-overs. + if (i != num_pixels) { + VP8LTransformColorInverse_C(m, src + i, num_pixels - i, dst + i); + } +} + +//------------------------------------------------------------------------------ +// Color-space conversion functions + +static void ConvertBGRAToRGB_SSE2(const uint32_t* src, int num_pixels, + uint8_t* dst) { + const __m128i* in = (const __m128i*)src; + __m128i* out = (__m128i*)dst; + + while (num_pixels >= 32) { + // Load the BGRA buffers. + __m128i in0 = _mm_loadu_si128(in + 0); + __m128i in1 = _mm_loadu_si128(in + 1); + __m128i in2 = _mm_loadu_si128(in + 2); + __m128i in3 = _mm_loadu_si128(in + 3); + __m128i in4 = _mm_loadu_si128(in + 4); + __m128i in5 = _mm_loadu_si128(in + 5); + __m128i in6 = _mm_loadu_si128(in + 6); + __m128i in7 = _mm_loadu_si128(in + 7); + VP8L32bToPlanar_SSE2(&in0, &in1, &in2, &in3); + VP8L32bToPlanar_SSE2(&in4, &in5, &in6, &in7); + // At this points, in1/in5 contains red only, in2/in6 green only ... + // Pack the colors in 24b RGB. + VP8PlanarTo24b_SSE2(&in1, &in5, &in2, &in6, &in3, &in7); + _mm_storeu_si128(out + 0, in1); + _mm_storeu_si128(out + 1, in5); + _mm_storeu_si128(out + 2, in2); + _mm_storeu_si128(out + 3, in6); + _mm_storeu_si128(out + 4, in3); + _mm_storeu_si128(out + 5, in7); + in += 8; + out += 6; + num_pixels -= 32; + } + // left-overs + if (num_pixels > 0) { + VP8LConvertBGRAToRGB_C((const uint32_t*)in, num_pixels, (uint8_t*)out); + } +} + +static void ConvertBGRAToRGBA_SSE2(const uint32_t* src, + int num_pixels, uint8_t* dst) { + const __m128i red_blue_mask = _mm_set1_epi32(0x00ff00ff); + const __m128i* in = (const __m128i*)src; + __m128i* out = (__m128i*)dst; + while (num_pixels >= 8) { + const __m128i A1 = _mm_loadu_si128(in++); + const __m128i A2 = _mm_loadu_si128(in++); + const __m128i B1 = _mm_and_si128(A1, red_blue_mask); // R 0 B 0 + const __m128i B2 = _mm_and_si128(A2, red_blue_mask); // R 0 B 0 + const __m128i C1 = _mm_andnot_si128(red_blue_mask, A1); // 0 G 0 A + const __m128i C2 = _mm_andnot_si128(red_blue_mask, A2); // 0 G 0 A + const __m128i D1 = _mm_shufflelo_epi16(B1, _MM_SHUFFLE(2, 3, 0, 1)); + const __m128i D2 = _mm_shufflelo_epi16(B2, _MM_SHUFFLE(2, 3, 0, 1)); + const __m128i E1 = _mm_shufflehi_epi16(D1, _MM_SHUFFLE(2, 3, 0, 1)); + const __m128i E2 = _mm_shufflehi_epi16(D2, _MM_SHUFFLE(2, 3, 0, 1)); + const __m128i F1 = _mm_or_si128(E1, C1); + const __m128i F2 = _mm_or_si128(E2, C2); + _mm_storeu_si128(out++, F1); + _mm_storeu_si128(out++, F2); + num_pixels -= 8; + } + // left-overs + if (num_pixels > 0) { + VP8LConvertBGRAToRGBA_C((const uint32_t*)in, num_pixels, (uint8_t*)out); + } +} + +static void ConvertBGRAToRGBA4444_SSE2(const uint32_t* src, + int num_pixels, uint8_t* dst) { + const __m128i mask_0x0f = _mm_set1_epi8(0x0f); + const __m128i mask_0xf0 = _mm_set1_epi8((char)0xf0); + const __m128i* in = (const __m128i*)src; + __m128i* out = (__m128i*)dst; + while (num_pixels >= 8) { + const __m128i bgra0 = _mm_loadu_si128(in++); // bgra0|bgra1|bgra2|bgra3 + const __m128i bgra4 = _mm_loadu_si128(in++); // bgra4|bgra5|bgra6|bgra7 + const __m128i v0l = _mm_unpacklo_epi8(bgra0, bgra4); // b0b4g0g4r0r4a0a4... + const __m128i v0h = _mm_unpackhi_epi8(bgra0, bgra4); // b2b6g2g6r2r6a2a6... + const __m128i v1l = _mm_unpacklo_epi8(v0l, v0h); // b0b2b4b6g0g2g4g6... + const __m128i v1h = _mm_unpackhi_epi8(v0l, v0h); // b1b3b5b7g1g3g5g7... + const __m128i v2l = _mm_unpacklo_epi8(v1l, v1h); // b0...b7 | g0...g7 + const __m128i v2h = _mm_unpackhi_epi8(v1l, v1h); // r0...r7 | a0...a7 + const __m128i ga0 = _mm_unpackhi_epi64(v2l, v2h); // g0...g7 | a0...a7 + const __m128i rb0 = _mm_unpacklo_epi64(v2h, v2l); // r0...r7 | b0...b7 + const __m128i ga1 = _mm_srli_epi16(ga0, 4); // g0-|g1-|...|a6-|a7- + const __m128i rb1 = _mm_and_si128(rb0, mask_0xf0); // -r0|-r1|...|-b6|-a7 + const __m128i ga2 = _mm_and_si128(ga1, mask_0x0f); // g0-|g1-|...|a6-|a7- + const __m128i rgba0 = _mm_or_si128(ga2, rb1); // rg0..rg7 | ba0..ba7 + const __m128i rgba1 = _mm_srli_si128(rgba0, 8); // ba0..ba7 | 0 +#if (WEBP_SWAP_16BIT_CSP == 1) + const __m128i rgba = _mm_unpacklo_epi8(rgba1, rgba0); // barg0...barg7 +#else + const __m128i rgba = _mm_unpacklo_epi8(rgba0, rgba1); // rgba0...rgba7 +#endif + _mm_storeu_si128(out++, rgba); + num_pixels -= 8; + } + // left-overs + if (num_pixels > 0) { + VP8LConvertBGRAToRGBA4444_C((const uint32_t*)in, num_pixels, (uint8_t*)out); + } +} + +static void ConvertBGRAToRGB565_SSE2(const uint32_t* src, + int num_pixels, uint8_t* dst) { + const __m128i mask_0xe0 = _mm_set1_epi8((char)0xe0); + const __m128i mask_0xf8 = _mm_set1_epi8((char)0xf8); + const __m128i mask_0x07 = _mm_set1_epi8(0x07); + const __m128i* in = (const __m128i*)src; + __m128i* out = (__m128i*)dst; + while (num_pixels >= 8) { + const __m128i bgra0 = _mm_loadu_si128(in++); // bgra0|bgra1|bgra2|bgra3 + const __m128i bgra4 = _mm_loadu_si128(in++); // bgra4|bgra5|bgra6|bgra7 + const __m128i v0l = _mm_unpacklo_epi8(bgra0, bgra4); // b0b4g0g4r0r4a0a4... + const __m128i v0h = _mm_unpackhi_epi8(bgra0, bgra4); // b2b6g2g6r2r6a2a6... + const __m128i v1l = _mm_unpacklo_epi8(v0l, v0h); // b0b2b4b6g0g2g4g6... + const __m128i v1h = _mm_unpackhi_epi8(v0l, v0h); // b1b3b5b7g1g3g5g7... + const __m128i v2l = _mm_unpacklo_epi8(v1l, v1h); // b0...b7 | g0...g7 + const __m128i v2h = _mm_unpackhi_epi8(v1l, v1h); // r0...r7 | a0...a7 + const __m128i ga0 = _mm_unpackhi_epi64(v2l, v2h); // g0...g7 | a0...a7 + const __m128i rb0 = _mm_unpacklo_epi64(v2h, v2l); // r0...r7 | b0...b7 + const __m128i rb1 = _mm_and_si128(rb0, mask_0xf8); // -r0..-r7|-b0..-b7 + const __m128i g_lo1 = _mm_srli_epi16(ga0, 5); + const __m128i g_lo2 = _mm_and_si128(g_lo1, mask_0x07); // g0-...g7-|xx (3b) + const __m128i g_hi1 = _mm_slli_epi16(ga0, 3); + const __m128i g_hi2 = _mm_and_si128(g_hi1, mask_0xe0); // -g0...-g7|xx (3b) + const __m128i b0 = _mm_srli_si128(rb1, 8); // -b0...-b7|0 + const __m128i rg1 = _mm_or_si128(rb1, g_lo2); // gr0...gr7|xx + const __m128i b1 = _mm_srli_epi16(b0, 3); + const __m128i gb1 = _mm_or_si128(b1, g_hi2); // bg0...bg7|xx +#if (WEBP_SWAP_16BIT_CSP == 1) + const __m128i rgba = _mm_unpacklo_epi8(gb1, rg1); // rggb0...rggb7 +#else + const __m128i rgba = _mm_unpacklo_epi8(rg1, gb1); // bgrb0...bgrb7 +#endif + _mm_storeu_si128(out++, rgba); + num_pixels -= 8; + } + // left-overs + if (num_pixels > 0) { + VP8LConvertBGRAToRGB565_C((const uint32_t*)in, num_pixels, (uint8_t*)out); + } +} + +static void ConvertBGRAToBGR_SSE2(const uint32_t* src, + int num_pixels, uint8_t* dst) { + const __m128i mask_l = _mm_set_epi32(0, 0x00ffffff, 0, 0x00ffffff); + const __m128i mask_h = _mm_set_epi32(0x00ffffff, 0, 0x00ffffff, 0); + const __m128i* in = (const __m128i*)src; + const uint8_t* const end = dst + num_pixels * 3; + // the last storel_epi64 below writes 8 bytes starting at offset 18 + while (dst + 26 <= end) { + const __m128i bgra0 = _mm_loadu_si128(in++); // bgra0|bgra1|bgra2|bgra3 + const __m128i bgra4 = _mm_loadu_si128(in++); // bgra4|bgra5|bgra6|bgra7 + const __m128i a0l = _mm_and_si128(bgra0, mask_l); // bgr0|0|bgr0|0 + const __m128i a4l = _mm_and_si128(bgra4, mask_l); // bgr0|0|bgr0|0 + const __m128i a0h = _mm_and_si128(bgra0, mask_h); // 0|bgr0|0|bgr0 + const __m128i a4h = _mm_and_si128(bgra4, mask_h); // 0|bgr0|0|bgr0 + const __m128i b0h = _mm_srli_epi64(a0h, 8); // 000b|gr00|000b|gr00 + const __m128i b4h = _mm_srli_epi64(a4h, 8); // 000b|gr00|000b|gr00 + const __m128i c0 = _mm_or_si128(a0l, b0h); // rgbrgb00|rgbrgb00 + const __m128i c4 = _mm_or_si128(a4l, b4h); // rgbrgb00|rgbrgb00 + const __m128i c2 = _mm_srli_si128(c0, 8); + const __m128i c6 = _mm_srli_si128(c4, 8); + _mm_storel_epi64((__m128i*)(dst + 0), c0); + _mm_storel_epi64((__m128i*)(dst + 6), c2); + _mm_storel_epi64((__m128i*)(dst + 12), c4); + _mm_storel_epi64((__m128i*)(dst + 18), c6); + dst += 24; + num_pixels -= 8; + } + // left-overs + if (num_pixels > 0) { + VP8LConvertBGRAToBGR_C((const uint32_t*)in, num_pixels, dst); + } +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8LDspInitSSE2(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitSSE2(void) { + VP8LPredictors[5] = Predictor5_SSE2; + VP8LPredictors[6] = Predictor6_SSE2; + VP8LPredictors[7] = Predictor7_SSE2; + VP8LPredictors[8] = Predictor8_SSE2; + VP8LPredictors[9] = Predictor9_SSE2; + VP8LPredictors[10] = Predictor10_SSE2; + VP8LPredictors[11] = Predictor11_SSE2; + VP8LPredictors[12] = Predictor12_SSE2; + VP8LPredictors[13] = Predictor13_SSE2; + + VP8LPredictorsAdd[0] = PredictorAdd0_SSE2; + VP8LPredictorsAdd[1] = PredictorAdd1_SSE2; + VP8LPredictorsAdd[2] = PredictorAdd2_SSE2; + VP8LPredictorsAdd[3] = PredictorAdd3_SSE2; + VP8LPredictorsAdd[4] = PredictorAdd4_SSE2; + VP8LPredictorsAdd[5] = PredictorAdd5_SSE2; + VP8LPredictorsAdd[6] = PredictorAdd6_SSE2; + VP8LPredictorsAdd[7] = PredictorAdd7_SSE2; + VP8LPredictorsAdd[8] = PredictorAdd8_SSE2; + VP8LPredictorsAdd[9] = PredictorAdd9_SSE2; + VP8LPredictorsAdd[10] = PredictorAdd10_SSE2; + VP8LPredictorsAdd[11] = PredictorAdd11_SSE2; + VP8LPredictorsAdd[12] = PredictorAdd12_SSE2; + VP8LPredictorsAdd[13] = PredictorAdd13_SSE2; + + VP8LAddGreenToBlueAndRed = AddGreenToBlueAndRed_SSE2; + VP8LTransformColorInverse = TransformColorInverse_SSE2; + + VP8LConvertBGRAToRGB = ConvertBGRAToRGB_SSE2; + VP8LConvertBGRAToRGBA = ConvertBGRAToRGBA_SSE2; + VP8LConvertBGRAToRGBA4444 = ConvertBGRAToRGBA4444_SSE2; + VP8LConvertBGRAToRGB565 = ConvertBGRAToRGB565_SSE2; + VP8LConvertBGRAToBGR = ConvertBGRAToBGR_SSE2; +} + +#else // !WEBP_USE_SSE2 + +WEBP_DSP_INIT_STUB(VP8LDspInitSSE2) + +#endif // WEBP_USE_SSE2 diff --git a/ProductApp/Pods/libwebp/src/dsp/lossless_sse41.c b/ProductApp/Pods/libwebp/src/dsp/lossless_sse41.c new file mode 100644 index 0000000..bb7ce76 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/lossless_sse41.c @@ -0,0 +1,133 @@ +// Copyright 2021 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// SSE41 variant of methods for lossless decoder + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_SSE41) + +#include "src/dsp/common_sse41.h" +#include "src/dsp/lossless.h" +#include "src/dsp/lossless_common.h" + +//------------------------------------------------------------------------------ +// Color-space conversion functions + +static void TransformColorInverse_SSE41(const VP8LMultipliers* const m, + const uint32_t* const src, + int num_pixels, uint32_t* dst) { +// sign-extended multiplying constants, pre-shifted by 5. +#define CST(X) (((int16_t)(m->X << 8)) >> 5) // sign-extend + const __m128i mults_rb = + _mm_set1_epi32((int)((uint32_t)CST(green_to_red_) << 16 | + (CST(green_to_blue_) & 0xffff))); + const __m128i mults_b2 = _mm_set1_epi32(CST(red_to_blue_)); +#undef CST + const __m128i mask_ag = _mm_set1_epi32((int)0xff00ff00); + const __m128i perm1 = _mm_setr_epi8(-1, 1, -1, 1, -1, 5, -1, 5, + -1, 9, -1, 9, -1, 13, -1, 13); + const __m128i perm2 = _mm_setr_epi8(-1, 2, -1, -1, -1, 6, -1, -1, + -1, 10, -1, -1, -1, 14, -1, -1); + int i; + for (i = 0; i + 4 <= num_pixels; i += 4) { + const __m128i A = _mm_loadu_si128((const __m128i*)(src + i)); + const __m128i B = _mm_shuffle_epi8(A, perm1); // argb -> g0g0 + const __m128i C = _mm_mulhi_epi16(B, mults_rb); + const __m128i D = _mm_add_epi8(A, C); + const __m128i E = _mm_shuffle_epi8(D, perm2); + const __m128i F = _mm_mulhi_epi16(E, mults_b2); + const __m128i G = _mm_add_epi8(D, F); + const __m128i out = _mm_blendv_epi8(G, A, mask_ag); + _mm_storeu_si128((__m128i*)&dst[i], out); + } + // Fall-back to C-version for left-overs. + if (i != num_pixels) { + VP8LTransformColorInverse_C(m, src + i, num_pixels - i, dst + i); + } +} + +//------------------------------------------------------------------------------ + +#define ARGB_TO_RGB_SSE41 do { \ + while (num_pixels >= 16) { \ + const __m128i in0 = _mm_loadu_si128(in + 0); \ + const __m128i in1 = _mm_loadu_si128(in + 1); \ + const __m128i in2 = _mm_loadu_si128(in + 2); \ + const __m128i in3 = _mm_loadu_si128(in + 3); \ + const __m128i a0 = _mm_shuffle_epi8(in0, perm0); \ + const __m128i a1 = _mm_shuffle_epi8(in1, perm1); \ + const __m128i a2 = _mm_shuffle_epi8(in2, perm2); \ + const __m128i a3 = _mm_shuffle_epi8(in3, perm3); \ + const __m128i b0 = _mm_blend_epi16(a0, a1, 0xc0); \ + const __m128i b1 = _mm_blend_epi16(a1, a2, 0xf0); \ + const __m128i b2 = _mm_blend_epi16(a2, a3, 0xfc); \ + _mm_storeu_si128(out + 0, b0); \ + _mm_storeu_si128(out + 1, b1); \ + _mm_storeu_si128(out + 2, b2); \ + in += 4; \ + out += 3; \ + num_pixels -= 16; \ + } \ +} while (0) + +static void ConvertBGRAToRGB_SSE41(const uint32_t* src, int num_pixels, + uint8_t* dst) { + const __m128i* in = (const __m128i*)src; + __m128i* out = (__m128i*)dst; + const __m128i perm0 = _mm_setr_epi8(2, 1, 0, 6, 5, 4, 10, 9, + 8, 14, 13, 12, -1, -1, -1, -1); + const __m128i perm1 = _mm_shuffle_epi32(perm0, 0x39); + const __m128i perm2 = _mm_shuffle_epi32(perm0, 0x4e); + const __m128i perm3 = _mm_shuffle_epi32(perm0, 0x93); + + ARGB_TO_RGB_SSE41; + + // left-overs + if (num_pixels > 0) { + VP8LConvertBGRAToRGB_C((const uint32_t*)in, num_pixels, (uint8_t*)out); + } +} + +static void ConvertBGRAToBGR_SSE41(const uint32_t* src, + int num_pixels, uint8_t* dst) { + const __m128i* in = (const __m128i*)src; + __m128i* out = (__m128i*)dst; + const __m128i perm0 = _mm_setr_epi8(0, 1, 2, 4, 5, 6, 8, 9, 10, + 12, 13, 14, -1, -1, -1, -1); + const __m128i perm1 = _mm_shuffle_epi32(perm0, 0x39); + const __m128i perm2 = _mm_shuffle_epi32(perm0, 0x4e); + const __m128i perm3 = _mm_shuffle_epi32(perm0, 0x93); + + ARGB_TO_RGB_SSE41; + + // left-overs + if (num_pixels > 0) { + VP8LConvertBGRAToBGR_C((const uint32_t*)in, num_pixels, (uint8_t*)out); + } +} + +#undef ARGB_TO_RGB_SSE41 + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8LDspInitSSE41(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitSSE41(void) { + VP8LTransformColorInverse = TransformColorInverse_SSE41; + VP8LConvertBGRAToRGB = ConvertBGRAToRGB_SSE41; + VP8LConvertBGRAToBGR = ConvertBGRAToBGR_SSE41; +} + +#else // !WEBP_USE_SSE41 + +WEBP_DSP_INIT_STUB(VP8LDspInitSSE41) + +#endif // WEBP_USE_SSE41 diff --git a/ProductApp/Pods/libwebp/src/dsp/mips_macro.h b/ProductApp/Pods/libwebp/src/dsp/mips_macro.h new file mode 100644 index 0000000..44aba9b --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/mips_macro.h @@ -0,0 +1,200 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// MIPS common macros + +#ifndef WEBP_DSP_MIPS_MACRO_H_ +#define WEBP_DSP_MIPS_MACRO_H_ + +#if defined(__GNUC__) && defined(__ANDROID__) && LOCAL_GCC_VERSION == 0x409 +#define WORK_AROUND_GCC +#endif + +#define STR(s) #s +#define XSTR(s) STR(s) + +// O0[31..16 | 15..0] = I0[31..16 | 15..0] + I1[31..16 | 15..0] +// O1[31..16 | 15..0] = I0[31..16 | 15..0] - I1[31..16 | 15..0] +// O - output +// I - input (macro doesn't change it) +#define ADD_SUB_HALVES(O0, O1, \ + I0, I1) \ + "addq.ph %[" #O0 "], %[" #I0 "], %[" #I1 "] \n\t" \ + "subq.ph %[" #O1 "], %[" #I0 "], %[" #I1 "] \n\t" + +// O - output +// I - input (macro doesn't change it) +// I[0/1] - offset in bytes +#define LOAD_IN_X2(O0, O1, \ + I0, I1) \ + "lh %[" #O0 "], " #I0 "(%[in]) \n\t" \ + "lh %[" #O1 "], " #I1 "(%[in]) \n\t" + +// I0 - location +// I1..I9 - offsets in bytes +#define LOAD_WITH_OFFSET_X4(O0, O1, O2, O3, \ + I0, I1, I2, I3, I4, I5, I6, I7, I8, I9) \ + "ulw %[" #O0 "], " #I1 "+" XSTR(I9) "*" #I5 "(%[" #I0 "]) \n\t" \ + "ulw %[" #O1 "], " #I2 "+" XSTR(I9) "*" #I6 "(%[" #I0 "]) \n\t" \ + "ulw %[" #O2 "], " #I3 "+" XSTR(I9) "*" #I7 "(%[" #I0 "]) \n\t" \ + "ulw %[" #O3 "], " #I4 "+" XSTR(I9) "*" #I8 "(%[" #I0 "]) \n\t" + +// O - output +// IO - input/output +// I - input (macro doesn't change it) +#define MUL_SHIFT_SUM(O0, O1, O2, O3, O4, O5, O6, O7, \ + IO0, IO1, IO2, IO3, \ + I0, I1, I2, I3, I4, I5, I6, I7) \ + "mul %[" #O0 "], %[" #I0 "], %[kC2] \n\t" \ + "mul %[" #O1 "], %[" #I0 "], %[kC1] \n\t" \ + "mul %[" #O2 "], %[" #I1 "], %[kC2] \n\t" \ + "mul %[" #O3 "], %[" #I1 "], %[kC1] \n\t" \ + "mul %[" #O4 "], %[" #I2 "], %[kC2] \n\t" \ + "mul %[" #O5 "], %[" #I2 "], %[kC1] \n\t" \ + "mul %[" #O6 "], %[" #I3 "], %[kC2] \n\t" \ + "mul %[" #O7 "], %[" #I3 "], %[kC1] \n\t" \ + "sra %[" #O0 "], %[" #O0 "], 16 \n\t" \ + "sra %[" #O1 "], %[" #O1 "], 16 \n\t" \ + "sra %[" #O2 "], %[" #O2 "], 16 \n\t" \ + "sra %[" #O3 "], %[" #O3 "], 16 \n\t" \ + "sra %[" #O4 "], %[" #O4 "], 16 \n\t" \ + "sra %[" #O5 "], %[" #O5 "], 16 \n\t" \ + "sra %[" #O6 "], %[" #O6 "], 16 \n\t" \ + "sra %[" #O7 "], %[" #O7 "], 16 \n\t" \ + "addu %[" #IO0 "], %[" #IO0 "], %[" #I4 "] \n\t" \ + "addu %[" #IO1 "], %[" #IO1 "], %[" #I5 "] \n\t" \ + "subu %[" #IO2 "], %[" #IO2 "], %[" #I6 "] \n\t" \ + "subu %[" #IO3 "], %[" #IO3 "], %[" #I7 "] \n\t" + +// O - output +// I - input (macro doesn't change it) +#define INSERT_HALF_X2(O0, O1, \ + I0, I1) \ + "ins %[" #O0 "], %[" #I0 "], 16, 16 \n\t" \ + "ins %[" #O1 "], %[" #I1 "], 16, 16 \n\t" + +// O - output +// I - input (macro doesn't change it) +#define SRA_16(O0, O1, O2, O3, \ + I0, I1, I2, I3) \ + "sra %[" #O0 "], %[" #I0 "], 16 \n\t" \ + "sra %[" #O1 "], %[" #I1 "], 16 \n\t" \ + "sra %[" #O2 "], %[" #I2 "], 16 \n\t" \ + "sra %[" #O3 "], %[" #I3 "], 16 \n\t" + +// temp0[31..16 | 15..0] = temp8[31..16 | 15..0] + temp12[31..16 | 15..0] +// temp1[31..16 | 15..0] = temp8[31..16 | 15..0] - temp12[31..16 | 15..0] +// temp0[31..16 | 15..0] = temp0[31..16 >> 3 | 15..0 >> 3] +// temp1[31..16 | 15..0] = temp1[31..16 >> 3 | 15..0 >> 3] +// O - output +// I - input (macro doesn't change it) +#define SHIFT_R_SUM_X2(O0, O1, O2, O3, O4, O5, O6, O7, \ + I0, I1, I2, I3, I4, I5, I6, I7) \ + "addq.ph %[" #O0 "], %[" #I0 "], %[" #I4 "] \n\t" \ + "subq.ph %[" #O1 "], %[" #I0 "], %[" #I4 "] \n\t" \ + "addq.ph %[" #O2 "], %[" #I1 "], %[" #I5 "] \n\t" \ + "subq.ph %[" #O3 "], %[" #I1 "], %[" #I5 "] \n\t" \ + "addq.ph %[" #O4 "], %[" #I2 "], %[" #I6 "] \n\t" \ + "subq.ph %[" #O5 "], %[" #I2 "], %[" #I6 "] \n\t" \ + "addq.ph %[" #O6 "], %[" #I3 "], %[" #I7 "] \n\t" \ + "subq.ph %[" #O7 "], %[" #I3 "], %[" #I7 "] \n\t" \ + "shra.ph %[" #O0 "], %[" #O0 "], 3 \n\t" \ + "shra.ph %[" #O1 "], %[" #O1 "], 3 \n\t" \ + "shra.ph %[" #O2 "], %[" #O2 "], 3 \n\t" \ + "shra.ph %[" #O3 "], %[" #O3 "], 3 \n\t" \ + "shra.ph %[" #O4 "], %[" #O4 "], 3 \n\t" \ + "shra.ph %[" #O5 "], %[" #O5 "], 3 \n\t" \ + "shra.ph %[" #O6 "], %[" #O6 "], 3 \n\t" \ + "shra.ph %[" #O7 "], %[" #O7 "], 3 \n\t" + +// precrq.ph.w temp0, temp8, temp2 +// temp0 = temp8[31..16] | temp2[31..16] +// ins temp2, temp8, 16, 16 +// temp2 = temp8[31..16] | temp2[15..0] +// O - output +// IO - input/output +// I - input (macro doesn't change it) +#define PACK_2_HALVES_TO_WORD(O0, O1, O2, O3, \ + IO0, IO1, IO2, IO3, \ + I0, I1, I2, I3) \ + "precrq.ph.w %[" #O0 "], %[" #I0 "], %[" #IO0 "] \n\t" \ + "precrq.ph.w %[" #O1 "], %[" #I1 "], %[" #IO1 "] \n\t" \ + "ins %[" #IO0 "], %[" #I0 "], 16, 16 \n\t" \ + "ins %[" #IO1 "], %[" #I1 "], 16, 16 \n\t" \ + "precrq.ph.w %[" #O2 "], %[" #I2 "], %[" #IO2 "] \n\t" \ + "precrq.ph.w %[" #O3 "], %[" #I3 "], %[" #IO3 "] \n\t" \ + "ins %[" #IO2 "], %[" #I2 "], 16, 16 \n\t" \ + "ins %[" #IO3 "], %[" #I3 "], 16, 16 \n\t" + +// preceu.ph.qbr temp0, temp8 +// temp0 = 0 | 0 | temp8[23..16] | temp8[7..0] +// preceu.ph.qbl temp1, temp8 +// temp1 = temp8[23..16] | temp8[7..0] | 0 | 0 +// O - output +// I - input (macro doesn't change it) +#define CONVERT_2_BYTES_TO_HALF(O0, O1, O2, O3, O4, O5, O6, O7, \ + I0, I1, I2, I3) \ + "preceu.ph.qbr %[" #O0 "], %[" #I0 "] \n\t" \ + "preceu.ph.qbl %[" #O1 "], %[" #I0 "] \n\t" \ + "preceu.ph.qbr %[" #O2 "], %[" #I1 "] \n\t" \ + "preceu.ph.qbl %[" #O3 "], %[" #I1 "] \n\t" \ + "preceu.ph.qbr %[" #O4 "], %[" #I2 "] \n\t" \ + "preceu.ph.qbl %[" #O5 "], %[" #I2 "] \n\t" \ + "preceu.ph.qbr %[" #O6 "], %[" #I3 "] \n\t" \ + "preceu.ph.qbl %[" #O7 "], %[" #I3 "] \n\t" + +// temp0[31..16 | 15..0] = temp0[31..16 | 15..0] + temp8[31..16 | 15..0] +// temp0[31..16 | 15..0] = temp0[31..16 <<(s) 7 | 15..0 <<(s) 7] +// temp1..temp7 same as temp0 +// precrqu_s.qb.ph temp0, temp1, temp0: +// temp0 = temp1[31..24] | temp1[15..8] | temp0[31..24] | temp0[15..8] +// store temp0 to dst +// IO - input/output +// I - input (macro doesn't change it) +#define STORE_SAT_SUM_X2(IO0, IO1, IO2, IO3, IO4, IO5, IO6, IO7, \ + I0, I1, I2, I3, I4, I5, I6, I7, \ + I8, I9, I10, I11, I12, I13) \ + "addq.ph %[" #IO0 "], %[" #IO0 "], %[" #I0 "] \n\t" \ + "addq.ph %[" #IO1 "], %[" #IO1 "], %[" #I1 "] \n\t" \ + "addq.ph %[" #IO2 "], %[" #IO2 "], %[" #I2 "] \n\t" \ + "addq.ph %[" #IO3 "], %[" #IO3 "], %[" #I3 "] \n\t" \ + "addq.ph %[" #IO4 "], %[" #IO4 "], %[" #I4 "] \n\t" \ + "addq.ph %[" #IO5 "], %[" #IO5 "], %[" #I5 "] \n\t" \ + "addq.ph %[" #IO6 "], %[" #IO6 "], %[" #I6 "] \n\t" \ + "addq.ph %[" #IO7 "], %[" #IO7 "], %[" #I7 "] \n\t" \ + "shll_s.ph %[" #IO0 "], %[" #IO0 "], 7 \n\t" \ + "shll_s.ph %[" #IO1 "], %[" #IO1 "], 7 \n\t" \ + "shll_s.ph %[" #IO2 "], %[" #IO2 "], 7 \n\t" \ + "shll_s.ph %[" #IO3 "], %[" #IO3 "], 7 \n\t" \ + "shll_s.ph %[" #IO4 "], %[" #IO4 "], 7 \n\t" \ + "shll_s.ph %[" #IO5 "], %[" #IO5 "], 7 \n\t" \ + "shll_s.ph %[" #IO6 "], %[" #IO6 "], 7 \n\t" \ + "shll_s.ph %[" #IO7 "], %[" #IO7 "], 7 \n\t" \ + "precrqu_s.qb.ph %[" #IO0 "], %[" #IO1 "], %[" #IO0 "] \n\t" \ + "precrqu_s.qb.ph %[" #IO2 "], %[" #IO3 "], %[" #IO2 "] \n\t" \ + "precrqu_s.qb.ph %[" #IO4 "], %[" #IO5 "], %[" #IO4 "] \n\t" \ + "precrqu_s.qb.ph %[" #IO6 "], %[" #IO7 "], %[" #IO6 "] \n\t" \ + "usw %[" #IO0 "], " XSTR(I13) "*" #I9 "(%[" #I8 "]) \n\t" \ + "usw %[" #IO2 "], " XSTR(I13) "*" #I10 "(%[" #I8 "]) \n\t" \ + "usw %[" #IO4 "], " XSTR(I13) "*" #I11 "(%[" #I8 "]) \n\t" \ + "usw %[" #IO6 "], " XSTR(I13) "*" #I12 "(%[" #I8 "]) \n\t" + +#define OUTPUT_EARLY_CLOBBER_REGS_10() \ + : [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), \ + [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [temp6]"=&r"(temp6), \ + [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), [temp9]"=&r"(temp9), \ + [temp10]"=&r"(temp10) + +#define OUTPUT_EARLY_CLOBBER_REGS_18() \ + OUTPUT_EARLY_CLOBBER_REGS_10(), \ + [temp11]"=&r"(temp11), [temp12]"=&r"(temp12), [temp13]"=&r"(temp13), \ + [temp14]"=&r"(temp14), [temp15]"=&r"(temp15), [temp16]"=&r"(temp16), \ + [temp17]"=&r"(temp17), [temp18]"=&r"(temp18) + +#endif // WEBP_DSP_MIPS_MACRO_H_ diff --git a/ProductApp/Pods/libwebp/src/dsp/msa_macro.h b/ProductApp/Pods/libwebp/src/dsp/msa_macro.h new file mode 100644 index 0000000..51f6c64 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/msa_macro.h @@ -0,0 +1,1397 @@ +// Copyright 2016 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// MSA common macros +// +// Author(s): Prashant Patil (prashant.patil@imgtec.com) + +#ifndef WEBP_DSP_MSA_MACRO_H_ +#define WEBP_DSP_MSA_MACRO_H_ + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MSA) + +#include +#include + +#if defined(__clang__) + #define CLANG_BUILD +#endif + +#ifdef CLANG_BUILD + #define ALPHAVAL (-1) + #define ADDVI_H(a, b) __msa_addvi_h((v8i16)a, b) + #define ADDVI_W(a, b) __msa_addvi_w((v4i32)a, b) + #define SRAI_B(a, b) __msa_srai_b((v16i8)a, b) + #define SRAI_H(a, b) __msa_srai_h((v8i16)a, b) + #define SRAI_W(a, b) __msa_srai_w((v4i32)a, b) + #define SRLI_H(a, b) __msa_srli_h((v8i16)a, b) + #define SLLI_B(a, b) __msa_slli_b((v4i32)a, b) + #define ANDI_B(a, b) __msa_andi_b((v16u8)a, b) + #define ORI_B(a, b) __msa_ori_b((v16u8)a, b) +#else + #define ALPHAVAL (0xff) + #define ADDVI_H(a, b) (a + b) + #define ADDVI_W(a, b) (a + b) + #define SRAI_B(a, b) (a >> b) + #define SRAI_H(a, b) (a >> b) + #define SRAI_W(a, b) (a >> b) + #define SRLI_H(a, b) (a << b) + #define SLLI_B(a, b) (a << b) + #define ANDI_B(a, b) (a & b) + #define ORI_B(a, b) (a | b) +#endif + +#define LD_B(RTYPE, psrc) *((RTYPE*)(psrc)) +#define LD_UB(...) LD_B(v16u8, __VA_ARGS__) +#define LD_SB(...) LD_B(v16i8, __VA_ARGS__) + +#define LD_H(RTYPE, psrc) *((RTYPE*)(psrc)) +#define LD_UH(...) LD_H(v8u16, __VA_ARGS__) +#define LD_SH(...) LD_H(v8i16, __VA_ARGS__) + +#define LD_W(RTYPE, psrc) *((RTYPE*)(psrc)) +#define LD_UW(...) LD_W(v4u32, __VA_ARGS__) +#define LD_SW(...) LD_W(v4i32, __VA_ARGS__) + +#define ST_B(RTYPE, in, pdst) *((RTYPE*)(pdst)) = in +#define ST_UB(...) ST_B(v16u8, __VA_ARGS__) +#define ST_SB(...) ST_B(v16i8, __VA_ARGS__) + +#define ST_H(RTYPE, in, pdst) *((RTYPE*)(pdst)) = in +#define ST_UH(...) ST_H(v8u16, __VA_ARGS__) +#define ST_SH(...) ST_H(v8i16, __VA_ARGS__) + +#define ST_W(RTYPE, in, pdst) *((RTYPE*)(pdst)) = in +#define ST_UW(...) ST_W(v4u32, __VA_ARGS__) +#define ST_SW(...) ST_W(v4i32, __VA_ARGS__) + +#define MSA_LOAD_FUNC(TYPE, INSTR, FUNC_NAME) \ + static inline TYPE FUNC_NAME(const void* const psrc) { \ + const uint8_t* const psrc_m = (const uint8_t*)psrc; \ + TYPE val_m; \ + asm volatile ( \ + "" #INSTR " %[val_m], %[psrc_m] \n\t" \ + : [val_m] "=r" (val_m) \ + : [psrc_m] "m" (*psrc_m)); \ + return val_m; \ + } + +#define MSA_LOAD(psrc, FUNC_NAME) FUNC_NAME(psrc) + +#define MSA_STORE_FUNC(TYPE, INSTR, FUNC_NAME) \ + static inline void FUNC_NAME(TYPE val, void* const pdst) { \ + uint8_t* const pdst_m = (uint8_t*)pdst; \ + TYPE val_m = val; \ + asm volatile ( \ + " " #INSTR " %[val_m], %[pdst_m] \n\t" \ + : [pdst_m] "=m" (*pdst_m) \ + : [val_m] "r" (val_m)); \ + } + +#define MSA_STORE(val, pdst, FUNC_NAME) FUNC_NAME(val, pdst) + +#if (__mips_isa_rev >= 6) + MSA_LOAD_FUNC(uint16_t, lh, msa_lh); + #define LH(psrc) MSA_LOAD(psrc, msa_lh) + MSA_LOAD_FUNC(uint32_t, lw, msa_lw); + #define LW(psrc) MSA_LOAD(psrc, msa_lw) + #if (__mips == 64) + MSA_LOAD_FUNC(uint64_t, ld, msa_ld); + #define LD(psrc) MSA_LOAD(psrc, msa_ld) + #else // !(__mips == 64) + #define LD(psrc) ((((uint64_t)MSA_LOAD(psrc + 4, msa_lw)) << 32) | \ + MSA_LOAD(psrc, msa_lw)) + #endif // (__mips == 64) + + MSA_STORE_FUNC(uint16_t, sh, msa_sh); + #define SH(val, pdst) MSA_STORE(val, pdst, msa_sh) + MSA_STORE_FUNC(uint32_t, sw, msa_sw); + #define SW(val, pdst) MSA_STORE(val, pdst, msa_sw) + MSA_STORE_FUNC(uint64_t, sd, msa_sd); + #define SD(val, pdst) MSA_STORE(val, pdst, msa_sd) +#else // !(__mips_isa_rev >= 6) + MSA_LOAD_FUNC(uint16_t, ulh, msa_ulh); + #define LH(psrc) MSA_LOAD(psrc, msa_ulh) + MSA_LOAD_FUNC(uint32_t, ulw, msa_ulw); + #define LW(psrc) MSA_LOAD(psrc, msa_ulw) + #if (__mips == 64) + MSA_LOAD_FUNC(uint64_t, uld, msa_uld); + #define LD(psrc) MSA_LOAD(psrc, msa_uld) + #else // !(__mips == 64) + #define LD(psrc) ((((uint64_t)MSA_LOAD(psrc + 4, msa_ulw)) << 32) | \ + MSA_LOAD(psrc, msa_ulw)) + #endif // (__mips == 64) + + MSA_STORE_FUNC(uint16_t, ush, msa_ush); + #define SH(val, pdst) MSA_STORE(val, pdst, msa_ush) + MSA_STORE_FUNC(uint32_t, usw, msa_usw); + #define SW(val, pdst) MSA_STORE(val, pdst, msa_usw) + #define SD(val, pdst) do { \ + uint8_t* const pdst_sd_m = (uint8_t*)(pdst); \ + const uint32_t val0_m = (uint32_t)(val & 0x00000000FFFFFFFF); \ + const uint32_t val1_m = (uint32_t)((val >> 32) & 0x00000000FFFFFFFF); \ + SW(val0_m, pdst_sd_m); \ + SW(val1_m, pdst_sd_m + 4); \ + } while (0) +#endif // (__mips_isa_rev >= 6) + +/* Description : Load 4 words with stride + * Arguments : Inputs - psrc, stride + * Outputs - out0, out1, out2, out3 + * Details : Load word in 'out0' from (psrc) + * Load word in 'out1' from (psrc + stride) + * Load word in 'out2' from (psrc + 2 * stride) + * Load word in 'out3' from (psrc + 3 * stride) + */ +#define LW4(psrc, stride, out0, out1, out2, out3) do { \ + const uint8_t* ptmp = (const uint8_t*)psrc; \ + out0 = LW(ptmp); \ + ptmp += stride; \ + out1 = LW(ptmp); \ + ptmp += stride; \ + out2 = LW(ptmp); \ + ptmp += stride; \ + out3 = LW(ptmp); \ +} while (0) + +/* Description : Store words with stride + * Arguments : Inputs - in0, in1, in2, in3, pdst, stride + * Details : Store word from 'in0' to (pdst) + * Store word from 'in1' to (pdst + stride) + * Store word from 'in2' to (pdst + 2 * stride) + * Store word from 'in3' to (pdst + 3 * stride) + */ +#define SW4(in0, in1, in2, in3, pdst, stride) do { \ + uint8_t* ptmp = (uint8_t*)pdst; \ + SW(in0, ptmp); \ + ptmp += stride; \ + SW(in1, ptmp); \ + ptmp += stride; \ + SW(in2, ptmp); \ + ptmp += stride; \ + SW(in3, ptmp); \ +} while (0) + +#define SW3(in0, in1, in2, pdst, stride) do { \ + uint8_t* ptmp = (uint8_t*)pdst; \ + SW(in0, ptmp); \ + ptmp += stride; \ + SW(in1, ptmp); \ + ptmp += stride; \ + SW(in2, ptmp); \ +} while (0) + +#define SW2(in0, in1, pdst, stride) do { \ + uint8_t* ptmp = (uint8_t*)pdst; \ + SW(in0, ptmp); \ + ptmp += stride; \ + SW(in1, ptmp); \ +} while (0) + +/* Description : Store 4 double words with stride + * Arguments : Inputs - in0, in1, in2, in3, pdst, stride + * Details : Store double word from 'in0' to (pdst) + * Store double word from 'in1' to (pdst + stride) + * Store double word from 'in2' to (pdst + 2 * stride) + * Store double word from 'in3' to (pdst + 3 * stride) + */ +#define SD4(in0, in1, in2, in3, pdst, stride) do { \ + uint8_t* ptmp = (uint8_t*)pdst; \ + SD(in0, ptmp); \ + ptmp += stride; \ + SD(in1, ptmp); \ + ptmp += stride; \ + SD(in2, ptmp); \ + ptmp += stride; \ + SD(in3, ptmp); \ +} while (0) + +/* Description : Load vectors with 16 byte elements with stride + * Arguments : Inputs - psrc, stride + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Load 16 byte elements in 'out0' from (psrc) + * Load 16 byte elements in 'out1' from (psrc + stride) + */ +#define LD_B2(RTYPE, psrc, stride, out0, out1) do { \ + out0 = LD_B(RTYPE, psrc); \ + out1 = LD_B(RTYPE, psrc + stride); \ +} while (0) +#define LD_UB2(...) LD_B2(v16u8, __VA_ARGS__) +#define LD_SB2(...) LD_B2(v16i8, __VA_ARGS__) + +#define LD_B3(RTYPE, psrc, stride, out0, out1, out2) do { \ + LD_B2(RTYPE, psrc, stride, out0, out1); \ + out2 = LD_B(RTYPE, psrc + 2 * stride); \ +} while (0) +#define LD_UB3(...) LD_B3(v16u8, __VA_ARGS__) +#define LD_SB3(...) LD_B3(v16i8, __VA_ARGS__) + +#define LD_B4(RTYPE, psrc, stride, out0, out1, out2, out3) do { \ + LD_B2(RTYPE, psrc, stride, out0, out1); \ + LD_B2(RTYPE, psrc + 2 * stride , stride, out2, out3); \ +} while (0) +#define LD_UB4(...) LD_B4(v16u8, __VA_ARGS__) +#define LD_SB4(...) LD_B4(v16i8, __VA_ARGS__) + +#define LD_B8(RTYPE, psrc, stride, \ + out0, out1, out2, out3, out4, out5, out6, out7) do { \ + LD_B4(RTYPE, psrc, stride, out0, out1, out2, out3); \ + LD_B4(RTYPE, psrc + 4 * stride, stride, out4, out5, out6, out7); \ +} while (0) +#define LD_UB8(...) LD_B8(v16u8, __VA_ARGS__) +#define LD_SB8(...) LD_B8(v16i8, __VA_ARGS__) + +/* Description : Load vectors with 8 halfword elements with stride + * Arguments : Inputs - psrc, stride + * Outputs - out0, out1 + * Details : Load 8 halfword elements in 'out0' from (psrc) + * Load 8 halfword elements in 'out1' from (psrc + stride) + */ +#define LD_H2(RTYPE, psrc, stride, out0, out1) do { \ + out0 = LD_H(RTYPE, psrc); \ + out1 = LD_H(RTYPE, psrc + stride); \ +} while (0) +#define LD_UH2(...) LD_H2(v8u16, __VA_ARGS__) +#define LD_SH2(...) LD_H2(v8i16, __VA_ARGS__) + +/* Description : Load vectors with 4 word elements with stride + * Arguments : Inputs - psrc, stride + * Outputs - out0, out1, out2, out3 + * Details : Load 4 word elements in 'out0' from (psrc + 0 * stride) + * Load 4 word elements in 'out1' from (psrc + 1 * stride) + * Load 4 word elements in 'out2' from (psrc + 2 * stride) + * Load 4 word elements in 'out3' from (psrc + 3 * stride) + */ +#define LD_W2(RTYPE, psrc, stride, out0, out1) do { \ + out0 = LD_W(RTYPE, psrc); \ + out1 = LD_W(RTYPE, psrc + stride); \ +} while (0) +#define LD_UW2(...) LD_W2(v4u32, __VA_ARGS__) +#define LD_SW2(...) LD_W2(v4i32, __VA_ARGS__) + +#define LD_W3(RTYPE, psrc, stride, out0, out1, out2) do { \ + LD_W2(RTYPE, psrc, stride, out0, out1); \ + out2 = LD_W(RTYPE, psrc + 2 * stride); \ +} while (0) +#define LD_UW3(...) LD_W3(v4u32, __VA_ARGS__) +#define LD_SW3(...) LD_W3(v4i32, __VA_ARGS__) + +#define LD_W4(RTYPE, psrc, stride, out0, out1, out2, out3) do { \ + LD_W2(RTYPE, psrc, stride, out0, out1); \ + LD_W2(RTYPE, psrc + 2 * stride, stride, out2, out3); \ +} while (0) +#define LD_UW4(...) LD_W4(v4u32, __VA_ARGS__) +#define LD_SW4(...) LD_W4(v4i32, __VA_ARGS__) + +/* Description : Store vectors of 16 byte elements with stride + * Arguments : Inputs - in0, in1, pdst, stride + * Details : Store 16 byte elements from 'in0' to (pdst) + * Store 16 byte elements from 'in1' to (pdst + stride) + */ +#define ST_B2(RTYPE, in0, in1, pdst, stride) do { \ + ST_B(RTYPE, in0, pdst); \ + ST_B(RTYPE, in1, pdst + stride); \ +} while (0) +#define ST_UB2(...) ST_B2(v16u8, __VA_ARGS__) +#define ST_SB2(...) ST_B2(v16i8, __VA_ARGS__) + +#define ST_B4(RTYPE, in0, in1, in2, in3, pdst, stride) do { \ + ST_B2(RTYPE, in0, in1, pdst, stride); \ + ST_B2(RTYPE, in2, in3, pdst + 2 * stride, stride); \ +} while (0) +#define ST_UB4(...) ST_B4(v16u8, __VA_ARGS__) +#define ST_SB4(...) ST_B4(v16i8, __VA_ARGS__) + +#define ST_B8(RTYPE, in0, in1, in2, in3, in4, in5, in6, in7, \ + pdst, stride) do { \ + ST_B4(RTYPE, in0, in1, in2, in3, pdst, stride); \ + ST_B4(RTYPE, in4, in5, in6, in7, pdst + 4 * stride, stride); \ +} while (0) +#define ST_UB8(...) ST_B8(v16u8, __VA_ARGS__) + +/* Description : Store vectors of 4 word elements with stride + * Arguments : Inputs - in0, in1, in2, in3, pdst, stride + * Details : Store 4 word elements from 'in0' to (pdst + 0 * stride) + * Store 4 word elements from 'in1' to (pdst + 1 * stride) + * Store 4 word elements from 'in2' to (pdst + 2 * stride) + * Store 4 word elements from 'in3' to (pdst + 3 * stride) + */ +#define ST_W2(RTYPE, in0, in1, pdst, stride) do { \ + ST_W(RTYPE, in0, pdst); \ + ST_W(RTYPE, in1, pdst + stride); \ +} while (0) +#define ST_UW2(...) ST_W2(v4u32, __VA_ARGS__) +#define ST_SW2(...) ST_W2(v4i32, __VA_ARGS__) + +#define ST_W3(RTYPE, in0, in1, in2, pdst, stride) do { \ + ST_W2(RTYPE, in0, in1, pdst, stride); \ + ST_W(RTYPE, in2, pdst + 2 * stride); \ +} while (0) +#define ST_UW3(...) ST_W3(v4u32, __VA_ARGS__) +#define ST_SW3(...) ST_W3(v4i32, __VA_ARGS__) + +#define ST_W4(RTYPE, in0, in1, in2, in3, pdst, stride) do { \ + ST_W2(RTYPE, in0, in1, pdst, stride); \ + ST_W2(RTYPE, in2, in3, pdst + 2 * stride, stride); \ +} while (0) +#define ST_UW4(...) ST_W4(v4u32, __VA_ARGS__) +#define ST_SW4(...) ST_W4(v4i32, __VA_ARGS__) + +/* Description : Store vectors of 8 halfword elements with stride + * Arguments : Inputs - in0, in1, pdst, stride + * Details : Store 8 halfword elements from 'in0' to (pdst) + * Store 8 halfword elements from 'in1' to (pdst + stride) + */ +#define ST_H2(RTYPE, in0, in1, pdst, stride) do { \ + ST_H(RTYPE, in0, pdst); \ + ST_H(RTYPE, in1, pdst + stride); \ +} while (0) +#define ST_UH2(...) ST_H2(v8u16, __VA_ARGS__) +#define ST_SH2(...) ST_H2(v8i16, __VA_ARGS__) + +/* Description : Store 2x4 byte block to destination memory from input vector + * Arguments : Inputs - in, stidx, pdst, stride + * Details : Index 'stidx' halfword element from 'in' vector is copied to + * the GP register and stored to (pdst) + * Index 'stidx+1' halfword element from 'in' vector is copied to + * the GP register and stored to (pdst + stride) + * Index 'stidx+2' halfword element from 'in' vector is copied to + * the GP register and stored to (pdst + 2 * stride) + * Index 'stidx+3' halfword element from 'in' vector is copied to + * the GP register and stored to (pdst + 3 * stride) + */ +#define ST2x4_UB(in, stidx, pdst, stride) do { \ + uint8_t* pblk_2x4_m = (uint8_t*)pdst; \ + const uint16_t out0_m = __msa_copy_s_h((v8i16)in, stidx); \ + const uint16_t out1_m = __msa_copy_s_h((v8i16)in, stidx + 1); \ + const uint16_t out2_m = __msa_copy_s_h((v8i16)in, stidx + 2); \ + const uint16_t out3_m = __msa_copy_s_h((v8i16)in, stidx + 3); \ + SH(out0_m, pblk_2x4_m); \ + pblk_2x4_m += stride; \ + SH(out1_m, pblk_2x4_m); \ + pblk_2x4_m += stride; \ + SH(out2_m, pblk_2x4_m); \ + pblk_2x4_m += stride; \ + SH(out3_m, pblk_2x4_m); \ +} while (0) + +/* Description : Store 4x4 byte block to destination memory from input vector + * Arguments : Inputs - in0, in1, pdst, stride + * Details : 'Idx0' word element from input vector 'in0' is copied to the + * GP register and stored to (pdst) + * 'Idx1' word element from input vector 'in0' is copied to the + * GP register and stored to (pdst + stride) + * 'Idx2' word element from input vector 'in0' is copied to the + * GP register and stored to (pdst + 2 * stride) + * 'Idx3' word element from input vector 'in0' is copied to the + * GP register and stored to (pdst + 3 * stride) + */ +#define ST4x4_UB(in0, in1, idx0, idx1, idx2, idx3, pdst, stride) do { \ + uint8_t* const pblk_4x4_m = (uint8_t*)pdst; \ + const uint32_t out0_m = __msa_copy_s_w((v4i32)in0, idx0); \ + const uint32_t out1_m = __msa_copy_s_w((v4i32)in0, idx1); \ + const uint32_t out2_m = __msa_copy_s_w((v4i32)in1, idx2); \ + const uint32_t out3_m = __msa_copy_s_w((v4i32)in1, idx3); \ + SW4(out0_m, out1_m, out2_m, out3_m, pblk_4x4_m, stride); \ +} while (0) + +#define ST4x8_UB(in0, in1, pdst, stride) do { \ + uint8_t* const pblk_4x8 = (uint8_t*)pdst; \ + ST4x4_UB(in0, in0, 0, 1, 2, 3, pblk_4x8, stride); \ + ST4x4_UB(in1, in1, 0, 1, 2, 3, pblk_4x8 + 4 * stride, stride); \ +} while (0) + +/* Description : Immediate number of elements to slide + * Arguments : Inputs - in0, in1, slide_val + * Outputs - out + * Return Type - as per RTYPE + * Details : Byte elements from 'in1' vector are slid into 'in0' by + * value specified in the 'slide_val' + */ +#define SLDI_B(RTYPE, in0, in1, slide_val) \ + (RTYPE)__msa_sldi_b((v16i8)in0, (v16i8)in1, slide_val) \ + +#define SLDI_UB(...) SLDI_B(v16u8, __VA_ARGS__) +#define SLDI_SB(...) SLDI_B(v16i8, __VA_ARGS__) +#define SLDI_SH(...) SLDI_B(v8i16, __VA_ARGS__) + +/* Description : Shuffle byte vector elements as per mask vector + * Arguments : Inputs - in0, in1, in2, in3, mask0, mask1 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Byte elements from 'in0' & 'in1' are copied selectively to + * 'out0' as per control vector 'mask0' + */ +#define VSHF_B(RTYPE, in0, in1, mask) \ + (RTYPE)__msa_vshf_b((v16i8)mask, (v16i8)in1, (v16i8)in0) + +#define VSHF_UB(...) VSHF_B(v16u8, __VA_ARGS__) +#define VSHF_SB(...) VSHF_B(v16i8, __VA_ARGS__) +#define VSHF_UH(...) VSHF_B(v8u16, __VA_ARGS__) +#define VSHF_SH(...) VSHF_B(v8i16, __VA_ARGS__) + +#define VSHF_B2(RTYPE, in0, in1, in2, in3, mask0, mask1, out0, out1) do { \ + out0 = VSHF_B(RTYPE, in0, in1, mask0); \ + out1 = VSHF_B(RTYPE, in2, in3, mask1); \ +} while (0) +#define VSHF_B2_UB(...) VSHF_B2(v16u8, __VA_ARGS__) +#define VSHF_B2_SB(...) VSHF_B2(v16i8, __VA_ARGS__) +#define VSHF_B2_UH(...) VSHF_B2(v8u16, __VA_ARGS__) +#define VSHF_B2_SH(...) VSHF_B2(v8i16, __VA_ARGS__) + +/* Description : Shuffle halfword vector elements as per mask vector + * Arguments : Inputs - in0, in1, in2, in3, mask0, mask1 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : halfword elements from 'in0' & 'in1' are copied selectively to + * 'out0' as per control vector 'mask0' + */ +#define VSHF_H2(RTYPE, in0, in1, in2, in3, mask0, mask1, out0, out1) do { \ + out0 = (RTYPE)__msa_vshf_h((v8i16)mask0, (v8i16)in1, (v8i16)in0); \ + out1 = (RTYPE)__msa_vshf_h((v8i16)mask1, (v8i16)in3, (v8i16)in2); \ +} while (0) +#define VSHF_H2_UH(...) VSHF_H2(v8u16, __VA_ARGS__) +#define VSHF_H2_SH(...) VSHF_H2(v8i16, __VA_ARGS__) + +/* Description : Dot product of byte vector elements + * Arguments : Inputs - mult0, mult1, cnst0, cnst1 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Signed byte elements from 'mult0' are multiplied with + * signed byte elements from 'cnst0' producing a result + * twice the size of input i.e. signed halfword. + * The multiplication result of adjacent odd-even elements + * are added together and written to the 'out0' vector +*/ +#define DOTP_SB2(RTYPE, mult0, mult1, cnst0, cnst1, out0, out1) do { \ + out0 = (RTYPE)__msa_dotp_s_h((v16i8)mult0, (v16i8)cnst0); \ + out1 = (RTYPE)__msa_dotp_s_h((v16i8)mult1, (v16i8)cnst1); \ +} while (0) +#define DOTP_SB2_SH(...) DOTP_SB2(v8i16, __VA_ARGS__) + +/* Description : Dot product of halfword vector elements + * Arguments : Inputs - mult0, mult1, cnst0, cnst1 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Signed halfword elements from 'mult0' are multiplied with + * signed halfword elements from 'cnst0' producing a result + * twice the size of input i.e. signed word. + * The multiplication result of adjacent odd-even elements + * are added together and written to the 'out0' vector + */ +#define DOTP_SH2(RTYPE, mult0, mult1, cnst0, cnst1, out0, out1) do { \ + out0 = (RTYPE)__msa_dotp_s_w((v8i16)mult0, (v8i16)cnst0); \ + out1 = (RTYPE)__msa_dotp_s_w((v8i16)mult1, (v8i16)cnst1); \ +} while (0) +#define DOTP_SH2_SW(...) DOTP_SH2(v4i32, __VA_ARGS__) + +/* Description : Dot product of unsigned word vector elements + * Arguments : Inputs - mult0, mult1, cnst0, cnst1 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Unsigned word elements from 'mult0' are multiplied with + * unsigned word elements from 'cnst0' producing a result + * twice the size of input i.e. unsigned double word. + * The multiplication result of adjacent odd-even elements + * are added together and written to the 'out0' vector + */ +#define DOTP_UW2(RTYPE, mult0, mult1, cnst0, cnst1, out0, out1) do { \ + out0 = (RTYPE)__msa_dotp_u_d((v4u32)mult0, (v4u32)cnst0); \ + out1 = (RTYPE)__msa_dotp_u_d((v4u32)mult1, (v4u32)cnst1); \ +} while (0) +#define DOTP_UW2_UD(...) DOTP_UW2(v2u64, __VA_ARGS__) + +/* Description : Dot product & addition of halfword vector elements + * Arguments : Inputs - mult0, mult1, cnst0, cnst1 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Signed halfword elements from 'mult0' are multiplied with + * signed halfword elements from 'cnst0' producing a result + * twice the size of input i.e. signed word. + * The multiplication result of adjacent odd-even elements + * are added to the 'out0' vector + */ +#define DPADD_SH2(RTYPE, mult0, mult1, cnst0, cnst1, out0, out1) do { \ + out0 = (RTYPE)__msa_dpadd_s_w((v4i32)out0, (v8i16)mult0, (v8i16)cnst0); \ + out1 = (RTYPE)__msa_dpadd_s_w((v4i32)out1, (v8i16)mult1, (v8i16)cnst1); \ +} while (0) +#define DPADD_SH2_SW(...) DPADD_SH2(v4i32, __VA_ARGS__) + +/* Description : Clips all signed halfword elements of input vector + * between 0 & 255 + * Arguments : Input/output - val + * Return Type - signed halfword + */ +#define CLIP_SH_0_255(val) do { \ + const v8i16 max_m = __msa_ldi_h(255); \ + val = __msa_maxi_s_h((v8i16)val, 0); \ + val = __msa_min_s_h(max_m, (v8i16)val); \ +} while (0) + +#define CLIP_SH2_0_255(in0, in1) do { \ + CLIP_SH_0_255(in0); \ + CLIP_SH_0_255(in1); \ +} while (0) + +#define CLIP_SH4_0_255(in0, in1, in2, in3) do { \ + CLIP_SH2_0_255(in0, in1); \ + CLIP_SH2_0_255(in2, in3); \ +} while (0) + +/* Description : Clips all unsigned halfword elements of input vector + * between 0 & 255 + * Arguments : Input - in + * Output - out_m + * Return Type - unsigned halfword + */ +#define CLIP_UH_0_255(in) do { \ + const v8u16 max_m = (v8u16)__msa_ldi_h(255); \ + in = __msa_maxi_u_h((v8u16) in, 0); \ + in = __msa_min_u_h((v8u16) max_m, (v8u16) in); \ +} while (0) + +#define CLIP_UH2_0_255(in0, in1) do { \ + CLIP_UH_0_255(in0); \ + CLIP_UH_0_255(in1); \ +} while (0) + +/* Description : Clips all signed word elements of input vector + * between 0 & 255 + * Arguments : Input/output - val + * Return Type - signed word + */ +#define CLIP_SW_0_255(val) do { \ + const v4i32 max_m = __msa_ldi_w(255); \ + val = __msa_maxi_s_w((v4i32)val, 0); \ + val = __msa_min_s_w(max_m, (v4i32)val); \ +} while (0) + +#define CLIP_SW4_0_255(in0, in1, in2, in3) do { \ + CLIP_SW_0_255(in0); \ + CLIP_SW_0_255(in1); \ + CLIP_SW_0_255(in2); \ + CLIP_SW_0_255(in3); \ +} while (0) + +/* Description : Horizontal addition of 4 signed word elements of input vector + * Arguments : Input - in (signed word vector) + * Output - sum_m (i32 sum) + * Return Type - signed word (GP) + * Details : 4 signed word elements of 'in' vector are added together and + * the resulting integer sum is returned + */ +static WEBP_INLINE int32_t func_hadd_sw_s32(v4i32 in) { + const v2i64 res0_m = __msa_hadd_s_d((v4i32)in, (v4i32)in); + const v2i64 res1_m = __msa_splati_d(res0_m, 1); + const v2i64 out = res0_m + res1_m; + int32_t sum_m = __msa_copy_s_w((v4i32)out, 0); + return sum_m; +} +#define HADD_SW_S32(in) func_hadd_sw_s32(in) + +/* Description : Horizontal addition of 8 signed halfword elements + * Arguments : Input - in (signed halfword vector) + * Output - sum_m (s32 sum) + * Return Type - signed word + * Details : 8 signed halfword elements of input vector are added + * together and the resulting integer sum is returned + */ +static WEBP_INLINE int32_t func_hadd_sh_s32(v8i16 in) { + const v4i32 res = __msa_hadd_s_w(in, in); + const v2i64 res0 = __msa_hadd_s_d(res, res); + const v2i64 res1 = __msa_splati_d(res0, 1); + const v2i64 res2 = res0 + res1; + const int32_t sum_m = __msa_copy_s_w((v4i32)res2, 0); + return sum_m; +} +#define HADD_SH_S32(in) func_hadd_sh_s32(in) + +/* Description : Horizontal addition of 8 unsigned halfword elements + * Arguments : Input - in (unsigned halfword vector) + * Output - sum_m (u32 sum) + * Return Type - unsigned word + * Details : 8 unsigned halfword elements of input vector are added + * together and the resulting integer sum is returned + */ +static WEBP_INLINE uint32_t func_hadd_uh_u32(v8u16 in) { + uint32_t sum_m; + const v4u32 res_m = __msa_hadd_u_w(in, in); + v2u64 res0_m = __msa_hadd_u_d(res_m, res_m); + v2u64 res1_m = (v2u64)__msa_splati_d((v2i64)res0_m, 1); + res0_m = res0_m + res1_m; + sum_m = __msa_copy_s_w((v4i32)res0_m, 0); + return sum_m; +} +#define HADD_UH_U32(in) func_hadd_uh_u32(in) + +/* Description : Horizontal addition of signed half word vector elements + Arguments : Inputs - in0, in1 + Outputs - out0, out1 + Return Type - as per RTYPE + Details : Each signed odd half word element from 'in0' is added to + even signed half word element from 'in0' (pairwise) and the + halfword result is written in 'out0' +*/ +#define HADD_SH2(RTYPE, in0, in1, out0, out1) do { \ + out0 = (RTYPE)__msa_hadd_s_w((v8i16)in0, (v8i16)in0); \ + out1 = (RTYPE)__msa_hadd_s_w((v8i16)in1, (v8i16)in1); \ +} while (0) +#define HADD_SH2_SW(...) HADD_SH2(v4i32, __VA_ARGS__) + +#define HADD_SH4(RTYPE, in0, in1, in2, in3, out0, out1, out2, out3) do { \ + HADD_SH2(RTYPE, in0, in1, out0, out1); \ + HADD_SH2(RTYPE, in2, in3, out2, out3); \ +} while (0) +#define HADD_SH4_SW(...) HADD_SH4(v4i32, __VA_ARGS__) + +/* Description : Horizontal subtraction of unsigned byte vector elements + * Arguments : Inputs - in0, in1 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Each unsigned odd byte element from 'in0' is subtracted from + * even unsigned byte element from 'in0' (pairwise) and the + * halfword result is written to 'out0' + */ +#define HSUB_UB2(RTYPE, in0, in1, out0, out1) do { \ + out0 = (RTYPE)__msa_hsub_u_h((v16u8)in0, (v16u8)in0); \ + out1 = (RTYPE)__msa_hsub_u_h((v16u8)in1, (v16u8)in1); \ +} while (0) +#define HSUB_UB2_UH(...) HSUB_UB2(v8u16, __VA_ARGS__) +#define HSUB_UB2_SH(...) HSUB_UB2(v8i16, __VA_ARGS__) +#define HSUB_UB2_SW(...) HSUB_UB2(v4i32, __VA_ARGS__) + +/* Description : Set element n input vector to GPR value + * Arguments : Inputs - in0, in1, in2, in3 + * Output - out + * Return Type - as per RTYPE + * Details : Set element 0 in vector 'out' to value specified in 'in0' + */ +#define INSERT_W2(RTYPE, in0, in1, out) do { \ + out = (RTYPE)__msa_insert_w((v4i32)out, 0, in0); \ + out = (RTYPE)__msa_insert_w((v4i32)out, 1, in1); \ +} while (0) +#define INSERT_W2_UB(...) INSERT_W2(v16u8, __VA_ARGS__) +#define INSERT_W2_SB(...) INSERT_W2(v16i8, __VA_ARGS__) + +#define INSERT_W4(RTYPE, in0, in1, in2, in3, out) do { \ + out = (RTYPE)__msa_insert_w((v4i32)out, 0, in0); \ + out = (RTYPE)__msa_insert_w((v4i32)out, 1, in1); \ + out = (RTYPE)__msa_insert_w((v4i32)out, 2, in2); \ + out = (RTYPE)__msa_insert_w((v4i32)out, 3, in3); \ +} while (0) +#define INSERT_W4_UB(...) INSERT_W4(v16u8, __VA_ARGS__) +#define INSERT_W4_SB(...) INSERT_W4(v16i8, __VA_ARGS__) +#define INSERT_W4_SW(...) INSERT_W4(v4i32, __VA_ARGS__) + +/* Description : Set element n of double word input vector to GPR value + * Arguments : Inputs - in0, in1 + * Output - out + * Return Type - as per RTYPE + * Details : Set element 0 in vector 'out' to GPR value specified in 'in0' + * Set element 1 in vector 'out' to GPR value specified in 'in1' + */ +#define INSERT_D2(RTYPE, in0, in1, out) do { \ + out = (RTYPE)__msa_insert_d((v2i64)out, 0, in0); \ + out = (RTYPE)__msa_insert_d((v2i64)out, 1, in1); \ +} while (0) +#define INSERT_D2_UB(...) INSERT_D2(v16u8, __VA_ARGS__) +#define INSERT_D2_SB(...) INSERT_D2(v16i8, __VA_ARGS__) + +/* Description : Interleave even byte elements from vectors + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Even byte elements of 'in0' and 'in1' are interleaved + * and written to 'out0' + */ +#define ILVEV_B2(RTYPE, in0, in1, in2, in3, out0, out1) do { \ + out0 = (RTYPE)__msa_ilvev_b((v16i8)in1, (v16i8)in0); \ + out1 = (RTYPE)__msa_ilvev_b((v16i8)in3, (v16i8)in2); \ +} while (0) +#define ILVEV_B2_UB(...) ILVEV_B2(v16u8, __VA_ARGS__) +#define ILVEV_B2_SB(...) ILVEV_B2(v16i8, __VA_ARGS__) +#define ILVEV_B2_UH(...) ILVEV_B2(v8u16, __VA_ARGS__) +#define ILVEV_B2_SH(...) ILVEV_B2(v8i16, __VA_ARGS__) +#define ILVEV_B2_SD(...) ILVEV_B2(v2i64, __VA_ARGS__) + +/* Description : Interleave odd byte elements from vectors + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Odd byte elements of 'in0' and 'in1' are interleaved + * and written to 'out0' + */ +#define ILVOD_B2(RTYPE, in0, in1, in2, in3, out0, out1) do { \ + out0 = (RTYPE)__msa_ilvod_b((v16i8)in1, (v16i8)in0); \ + out1 = (RTYPE)__msa_ilvod_b((v16i8)in3, (v16i8)in2); \ +} while (0) +#define ILVOD_B2_UB(...) ILVOD_B2(v16u8, __VA_ARGS__) +#define ILVOD_B2_SB(...) ILVOD_B2(v16i8, __VA_ARGS__) +#define ILVOD_B2_UH(...) ILVOD_B2(v8u16, __VA_ARGS__) +#define ILVOD_B2_SH(...) ILVOD_B2(v8i16, __VA_ARGS__) +#define ILVOD_B2_SD(...) ILVOD_B2(v2i64, __VA_ARGS__) + +/* Description : Interleave even halfword elements from vectors + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Even halfword elements of 'in0' and 'in1' are interleaved + * and written to 'out0' + */ +#define ILVEV_H2(RTYPE, in0, in1, in2, in3, out0, out1) do { \ + out0 = (RTYPE)__msa_ilvev_h((v8i16)in1, (v8i16)in0); \ + out1 = (RTYPE)__msa_ilvev_h((v8i16)in3, (v8i16)in2); \ +} while (0) +#define ILVEV_H2_UB(...) ILVEV_H2(v16u8, __VA_ARGS__) +#define ILVEV_H2_UH(...) ILVEV_H2(v8u16, __VA_ARGS__) +#define ILVEV_H2_SH(...) ILVEV_H2(v8i16, __VA_ARGS__) +#define ILVEV_H2_SW(...) ILVEV_H2(v4i32, __VA_ARGS__) + +/* Description : Interleave odd halfword elements from vectors + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Odd halfword elements of 'in0' and 'in1' are interleaved + * and written to 'out0' + */ +#define ILVOD_H2(RTYPE, in0, in1, in2, in3, out0, out1) do { \ + out0 = (RTYPE)__msa_ilvod_h((v8i16)in1, (v8i16)in0); \ + out1 = (RTYPE)__msa_ilvod_h((v8i16)in3, (v8i16)in2); \ +} while (0) +#define ILVOD_H2_UB(...) ILVOD_H2(v16u8, __VA_ARGS__) +#define ILVOD_H2_UH(...) ILVOD_H2(v8u16, __VA_ARGS__) +#define ILVOD_H2_SH(...) ILVOD_H2(v8i16, __VA_ARGS__) +#define ILVOD_H2_SW(...) ILVOD_H2(v4i32, __VA_ARGS__) + +/* Description : Interleave even word elements from vectors + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Even word elements of 'in0' and 'in1' are interleaved + * and written to 'out0' + */ +#define ILVEV_W2(RTYPE, in0, in1, in2, in3, out0, out1) do { \ + out0 = (RTYPE)__msa_ilvev_w((v4i32)in1, (v4i32)in0); \ + out1 = (RTYPE)__msa_ilvev_w((v4i32)in3, (v4i32)in2); \ +} while (0) +#define ILVEV_W2_UB(...) ILVEV_W2(v16u8, __VA_ARGS__) +#define ILVEV_W2_SB(...) ILVEV_W2(v16i8, __VA_ARGS__) +#define ILVEV_W2_UH(...) ILVEV_W2(v8u16, __VA_ARGS__) +#define ILVEV_W2_SD(...) ILVEV_W2(v2i64, __VA_ARGS__) + +/* Description : Interleave even-odd word elements from vectors + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Even word elements of 'in0' and 'in1' are interleaved + * and written to 'out0' + * Odd word elements of 'in2' and 'in3' are interleaved + * and written to 'out1' + */ +#define ILVEVOD_W2(RTYPE, in0, in1, in2, in3, out0, out1) do { \ + out0 = (RTYPE)__msa_ilvev_w((v4i32)in1, (v4i32)in0); \ + out1 = (RTYPE)__msa_ilvod_w((v4i32)in3, (v4i32)in2); \ +} while (0) +#define ILVEVOD_W2_UB(...) ILVEVOD_W2(v16u8, __VA_ARGS__) +#define ILVEVOD_W2_UH(...) ILVEVOD_W2(v8u16, __VA_ARGS__) +#define ILVEVOD_W2_SH(...) ILVEVOD_W2(v8i16, __VA_ARGS__) +#define ILVEVOD_W2_SW(...) ILVEVOD_W2(v4i32, __VA_ARGS__) + +/* Description : Interleave even-odd half-word elements from vectors + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Even half-word elements of 'in0' and 'in1' are interleaved + * and written to 'out0' + * Odd half-word elements of 'in2' and 'in3' are interleaved + * and written to 'out1' + */ +#define ILVEVOD_H2(RTYPE, in0, in1, in2, in3, out0, out1) do { \ + out0 = (RTYPE)__msa_ilvev_h((v8i16)in1, (v8i16)in0); \ + out1 = (RTYPE)__msa_ilvod_h((v8i16)in3, (v8i16)in2); \ +} while (0) +#define ILVEVOD_H2_UB(...) ILVEVOD_H2(v16u8, __VA_ARGS__) +#define ILVEVOD_H2_UH(...) ILVEVOD_H2(v8u16, __VA_ARGS__) +#define ILVEVOD_H2_SH(...) ILVEVOD_H2(v8i16, __VA_ARGS__) +#define ILVEVOD_H2_SW(...) ILVEVOD_H2(v4i32, __VA_ARGS__) + +/* Description : Interleave even double word elements from vectors + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Even double word elements of 'in0' and 'in1' are interleaved + * and written to 'out0' + */ +#define ILVEV_D2(RTYPE, in0, in1, in2, in3, out0, out1) do { \ + out0 = (RTYPE)__msa_ilvev_d((v2i64)in1, (v2i64)in0); \ + out1 = (RTYPE)__msa_ilvev_d((v2i64)in3, (v2i64)in2); \ +} while (0) +#define ILVEV_D2_UB(...) ILVEV_D2(v16u8, __VA_ARGS__) +#define ILVEV_D2_SB(...) ILVEV_D2(v16i8, __VA_ARGS__) +#define ILVEV_D2_SW(...) ILVEV_D2(v4i32, __VA_ARGS__) +#define ILVEV_D2_SD(...) ILVEV_D2(v2i64, __VA_ARGS__) + +/* Description : Interleave left half of byte elements from vectors + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Left half of byte elements of 'in0' and 'in1' are interleaved + * and written to 'out0'. + */ +#define ILVL_B2(RTYPE, in0, in1, in2, in3, out0, out1) do { \ + out0 = (RTYPE)__msa_ilvl_b((v16i8)in0, (v16i8)in1); \ + out1 = (RTYPE)__msa_ilvl_b((v16i8)in2, (v16i8)in3); \ +} while (0) +#define ILVL_B2_UB(...) ILVL_B2(v16u8, __VA_ARGS__) +#define ILVL_B2_SB(...) ILVL_B2(v16i8, __VA_ARGS__) +#define ILVL_B2_UH(...) ILVL_B2(v8u16, __VA_ARGS__) +#define ILVL_B2_SH(...) ILVL_B2(v8i16, __VA_ARGS__) +#define ILVL_B2_SW(...) ILVL_B2(v4i32, __VA_ARGS__) + +/* Description : Interleave right half of byte elements from vectors + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Right half of byte elements of 'in0' and 'in1' are interleaved + * and written to out0. + */ +#define ILVR_B2(RTYPE, in0, in1, in2, in3, out0, out1) do { \ + out0 = (RTYPE)__msa_ilvr_b((v16i8)in0, (v16i8)in1); \ + out1 = (RTYPE)__msa_ilvr_b((v16i8)in2, (v16i8)in3); \ +} while (0) +#define ILVR_B2_UB(...) ILVR_B2(v16u8, __VA_ARGS__) +#define ILVR_B2_SB(...) ILVR_B2(v16i8, __VA_ARGS__) +#define ILVR_B2_UH(...) ILVR_B2(v8u16, __VA_ARGS__) +#define ILVR_B2_SH(...) ILVR_B2(v8i16, __VA_ARGS__) +#define ILVR_B2_SW(...) ILVR_B2(v4i32, __VA_ARGS__) + +#define ILVR_B4(RTYPE, in0, in1, in2, in3, in4, in5, in6, in7, \ + out0, out1, out2, out3) do { \ + ILVR_B2(RTYPE, in0, in1, in2, in3, out0, out1); \ + ILVR_B2(RTYPE, in4, in5, in6, in7, out2, out3); \ +} while (0) +#define ILVR_B4_UB(...) ILVR_B4(v16u8, __VA_ARGS__) +#define ILVR_B4_SB(...) ILVR_B4(v16i8, __VA_ARGS__) +#define ILVR_B4_UH(...) ILVR_B4(v8u16, __VA_ARGS__) +#define ILVR_B4_SH(...) ILVR_B4(v8i16, __VA_ARGS__) +#define ILVR_B4_SW(...) ILVR_B4(v4i32, __VA_ARGS__) + +/* Description : Interleave right half of halfword elements from vectors + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Right half of halfword elements of 'in0' and 'in1' are + * interleaved and written to 'out0'. + */ +#define ILVR_H2(RTYPE, in0, in1, in2, in3, out0, out1) do { \ + out0 = (RTYPE)__msa_ilvr_h((v8i16)in0, (v8i16)in1); \ + out1 = (RTYPE)__msa_ilvr_h((v8i16)in2, (v8i16)in3); \ +} while (0) +#define ILVR_H2_UB(...) ILVR_H2(v16u8, __VA_ARGS__) +#define ILVR_H2_SH(...) ILVR_H2(v8i16, __VA_ARGS__) +#define ILVR_H2_SW(...) ILVR_H2(v4i32, __VA_ARGS__) + +#define ILVR_H4(RTYPE, in0, in1, in2, in3, in4, in5, in6, in7, \ + out0, out1, out2, out3) do { \ + ILVR_H2(RTYPE, in0, in1, in2, in3, out0, out1); \ + ILVR_H2(RTYPE, in4, in5, in6, in7, out2, out3); \ +} while (0) +#define ILVR_H4_UB(...) ILVR_H4(v16u8, __VA_ARGS__) +#define ILVR_H4_SH(...) ILVR_H4(v8i16, __VA_ARGS__) +#define ILVR_H4_SW(...) ILVR_H4(v4i32, __VA_ARGS__) + +/* Description : Interleave right half of double word elements from vectors + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Right half of double word elements of 'in0' and 'in1' are + * interleaved and written to 'out0'. + */ +#define ILVR_D2(RTYPE, in0, in1, in2, in3, out0, out1) do { \ + out0 = (RTYPE)__msa_ilvr_d((v2i64)in0, (v2i64)in1); \ + out1 = (RTYPE)__msa_ilvr_d((v2i64)in2, (v2i64)in3); \ +} while (0) +#define ILVR_D2_UB(...) ILVR_D2(v16u8, __VA_ARGS__) +#define ILVR_D2_SB(...) ILVR_D2(v16i8, __VA_ARGS__) +#define ILVR_D2_SH(...) ILVR_D2(v8i16, __VA_ARGS__) + +#define ILVR_D4(RTYPE, in0, in1, in2, in3, in4, in5, in6, in7, \ + out0, out1, out2, out3) do { \ + ILVR_D2(RTYPE, in0, in1, in2, in3, out0, out1); \ + ILVR_D2(RTYPE, in4, in5, in6, in7, out2, out3); \ +} while (0) +#define ILVR_D4_SB(...) ILVR_D4(v16i8, __VA_ARGS__) +#define ILVR_D4_UB(...) ILVR_D4(v16u8, __VA_ARGS__) + +/* Description : Interleave both left and right half of input vectors + * Arguments : Inputs - in0, in1 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Right half of byte elements from 'in0' and 'in1' are + * interleaved and written to 'out0' + */ +#define ILVRL_B2(RTYPE, in0, in1, out0, out1) do { \ + out0 = (RTYPE)__msa_ilvr_b((v16i8)in0, (v16i8)in1); \ + out1 = (RTYPE)__msa_ilvl_b((v16i8)in0, (v16i8)in1); \ +} while (0) +#define ILVRL_B2_UB(...) ILVRL_B2(v16u8, __VA_ARGS__) +#define ILVRL_B2_SB(...) ILVRL_B2(v16i8, __VA_ARGS__) +#define ILVRL_B2_UH(...) ILVRL_B2(v8u16, __VA_ARGS__) +#define ILVRL_B2_SH(...) ILVRL_B2(v8i16, __VA_ARGS__) +#define ILVRL_B2_SW(...) ILVRL_B2(v4i32, __VA_ARGS__) + +#define ILVRL_H2(RTYPE, in0, in1, out0, out1) do { \ + out0 = (RTYPE)__msa_ilvr_h((v8i16)in0, (v8i16)in1); \ + out1 = (RTYPE)__msa_ilvl_h((v8i16)in0, (v8i16)in1); \ +} while (0) +#define ILVRL_H2_UB(...) ILVRL_H2(v16u8, __VA_ARGS__) +#define ILVRL_H2_SB(...) ILVRL_H2(v16i8, __VA_ARGS__) +#define ILVRL_H2_SH(...) ILVRL_H2(v8i16, __VA_ARGS__) +#define ILVRL_H2_SW(...) ILVRL_H2(v4i32, __VA_ARGS__) +#define ILVRL_H2_UW(...) ILVRL_H2(v4u32, __VA_ARGS__) + +#define ILVRL_W2(RTYPE, in0, in1, out0, out1) do { \ + out0 = (RTYPE)__msa_ilvr_w((v4i32)in0, (v4i32)in1); \ + out1 = (RTYPE)__msa_ilvl_w((v4i32)in0, (v4i32)in1); \ +} while (0) +#define ILVRL_W2_UB(...) ILVRL_W2(v16u8, __VA_ARGS__) +#define ILVRL_W2_SH(...) ILVRL_W2(v8i16, __VA_ARGS__) +#define ILVRL_W2_SW(...) ILVRL_W2(v4i32, __VA_ARGS__) +#define ILVRL_W2_UW(...) ILVRL_W2(v4u32, __VA_ARGS__) + +/* Description : Pack even byte elements of vector pairs + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Even byte elements of 'in0' are copied to the left half of + * 'out0' & even byte elements of 'in1' are copied to the right + * half of 'out0'. + */ +#define PCKEV_B2(RTYPE, in0, in1, in2, in3, out0, out1) do { \ + out0 = (RTYPE)__msa_pckev_b((v16i8)in0, (v16i8)in1); \ + out1 = (RTYPE)__msa_pckev_b((v16i8)in2, (v16i8)in3); \ +} while (0) +#define PCKEV_B2_SB(...) PCKEV_B2(v16i8, __VA_ARGS__) +#define PCKEV_B2_UB(...) PCKEV_B2(v16u8, __VA_ARGS__) +#define PCKEV_B2_SH(...) PCKEV_B2(v8i16, __VA_ARGS__) +#define PCKEV_B2_SW(...) PCKEV_B2(v4i32, __VA_ARGS__) + +#define PCKEV_B4(RTYPE, in0, in1, in2, in3, in4, in5, in6, in7, \ + out0, out1, out2, out3) do { \ + PCKEV_B2(RTYPE, in0, in1, in2, in3, out0, out1); \ + PCKEV_B2(RTYPE, in4, in5, in6, in7, out2, out3); \ +} while (0) +#define PCKEV_B4_SB(...) PCKEV_B4(v16i8, __VA_ARGS__) +#define PCKEV_B4_UB(...) PCKEV_B4(v16u8, __VA_ARGS__) +#define PCKEV_B4_SH(...) PCKEV_B4(v8i16, __VA_ARGS__) +#define PCKEV_B4_SW(...) PCKEV_B4(v4i32, __VA_ARGS__) + +/* Description : Pack even halfword elements of vector pairs + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Even halfword elements of 'in0' are copied to the left half of + * 'out0' & even halfword elements of 'in1' are copied to the + * right half of 'out0'. + */ +#define PCKEV_H2(RTYPE, in0, in1, in2, in3, out0, out1) do { \ + out0 = (RTYPE)__msa_pckev_h((v8i16)in0, (v8i16)in1); \ + out1 = (RTYPE)__msa_pckev_h((v8i16)in2, (v8i16)in3); \ +} while (0) +#define PCKEV_H2_UH(...) PCKEV_H2(v8u16, __VA_ARGS__) +#define PCKEV_H2_SH(...) PCKEV_H2(v8i16, __VA_ARGS__) +#define PCKEV_H2_SW(...) PCKEV_H2(v4i32, __VA_ARGS__) +#define PCKEV_H2_UW(...) PCKEV_H2(v4u32, __VA_ARGS__) + +/* Description : Pack even word elements of vector pairs + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Even word elements of 'in0' are copied to the left half of + * 'out0' & even word elements of 'in1' are copied to the + * right half of 'out0'. + */ +#define PCKEV_W2(RTYPE, in0, in1, in2, in3, out0, out1) do { \ + out0 = (RTYPE)__msa_pckev_w((v4i32)in0, (v4i32)in1); \ + out1 = (RTYPE)__msa_pckev_w((v4i32)in2, (v4i32)in3); \ +} while (0) +#define PCKEV_W2_UH(...) PCKEV_W2(v8u16, __VA_ARGS__) +#define PCKEV_W2_SH(...) PCKEV_W2(v8i16, __VA_ARGS__) +#define PCKEV_W2_SW(...) PCKEV_W2(v4i32, __VA_ARGS__) +#define PCKEV_W2_UW(...) PCKEV_W2(v4u32, __VA_ARGS__) + +/* Description : Pack odd halfword elements of vector pairs + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Odd halfword elements of 'in0' are copied to the left half of + * 'out0' & odd halfword elements of 'in1' are copied to the + * right half of 'out0'. + */ +#define PCKOD_H2(RTYPE, in0, in1, in2, in3, out0, out1) do { \ + out0 = (RTYPE)__msa_pckod_h((v8i16)in0, (v8i16)in1); \ + out1 = (RTYPE)__msa_pckod_h((v8i16)in2, (v8i16)in3); \ +} while (0) +#define PCKOD_H2_UH(...) PCKOD_H2(v8u16, __VA_ARGS__) +#define PCKOD_H2_SH(...) PCKOD_H2(v8i16, __VA_ARGS__) +#define PCKOD_H2_SW(...) PCKOD_H2(v4i32, __VA_ARGS__) +#define PCKOD_H2_UW(...) PCKOD_H2(v4u32, __VA_ARGS__) + +/* Description : Arithmetic immediate shift right all elements of word vector + * Arguments : Inputs - in0, in1, shift + * Outputs - in place operation + * Return Type - as per input vector RTYPE + * Details : Each element of vector 'in0' is right shifted by 'shift' and + * the result is written in-place. 'shift' is a GP variable. + */ +#define SRAI_W2(RTYPE, in0, in1, shift_val) do { \ + in0 = (RTYPE)SRAI_W(in0, shift_val); \ + in1 = (RTYPE)SRAI_W(in1, shift_val); \ +} while (0) +#define SRAI_W2_SW(...) SRAI_W2(v4i32, __VA_ARGS__) +#define SRAI_W2_UW(...) SRAI_W2(v4u32, __VA_ARGS__) + +#define SRAI_W4(RTYPE, in0, in1, in2, in3, shift_val) do { \ + SRAI_W2(RTYPE, in0, in1, shift_val); \ + SRAI_W2(RTYPE, in2, in3, shift_val); \ +} while (0) +#define SRAI_W4_SW(...) SRAI_W4(v4i32, __VA_ARGS__) +#define SRAI_W4_UW(...) SRAI_W4(v4u32, __VA_ARGS__) + +/* Description : Arithmetic shift right all elements of half-word vector + * Arguments : Inputs - in0, in1, shift + * Outputs - in place operation + * Return Type - as per input vector RTYPE + * Details : Each element of vector 'in0' is right shifted by 'shift' and + * the result is written in-place. 'shift' is a GP variable. + */ +#define SRAI_H2(RTYPE, in0, in1, shift_val) do { \ + in0 = (RTYPE)SRAI_H(in0, shift_val); \ + in1 = (RTYPE)SRAI_H(in1, shift_val); \ +} while (0) +#define SRAI_H2_SH(...) SRAI_H2(v8i16, __VA_ARGS__) +#define SRAI_H2_UH(...) SRAI_H2(v8u16, __VA_ARGS__) + +/* Description : Arithmetic rounded shift right all elements of word vector + * Arguments : Inputs - in0, in1, shift + * Outputs - in place operation + * Return Type - as per input vector RTYPE + * Details : Each element of vector 'in0' is right shifted by 'shift' and + * the result is written in-place. 'shift' is a GP variable. + */ +#define SRARI_W2(RTYPE, in0, in1, shift) do { \ + in0 = (RTYPE)__msa_srari_w((v4i32)in0, shift); \ + in1 = (RTYPE)__msa_srari_w((v4i32)in1, shift); \ +} while (0) +#define SRARI_W2_SW(...) SRARI_W2(v4i32, __VA_ARGS__) + +#define SRARI_W4(RTYPE, in0, in1, in2, in3, shift) do { \ + SRARI_W2(RTYPE, in0, in1, shift); \ + SRARI_W2(RTYPE, in2, in3, shift); \ +} while (0) +#define SRARI_W4_SH(...) SRARI_W4(v8i16, __VA_ARGS__) +#define SRARI_W4_UW(...) SRARI_W4(v4u32, __VA_ARGS__) +#define SRARI_W4_SW(...) SRARI_W4(v4i32, __VA_ARGS__) + +/* Description : Shift right arithmetic rounded double words + * Arguments : Inputs - in0, in1, shift + * Outputs - in place operation + * Return Type - as per RTYPE + * Details : Each element of vector 'in0' is shifted right arithmetically by + * the number of bits in the corresponding element in the vector + * 'shift'. The last discarded bit is added to shifted value for + * rounding and the result is written in-place. + * 'shift' is a vector. + */ +#define SRAR_D2(RTYPE, in0, in1, shift) do { \ + in0 = (RTYPE)__msa_srar_d((v2i64)in0, (v2i64)shift); \ + in1 = (RTYPE)__msa_srar_d((v2i64)in1, (v2i64)shift); \ +} while (0) +#define SRAR_D2_SW(...) SRAR_D2(v4i32, __VA_ARGS__) +#define SRAR_D2_SD(...) SRAR_D2(v2i64, __VA_ARGS__) +#define SRAR_D2_UD(...) SRAR_D2(v2u64, __VA_ARGS__) + +#define SRAR_D4(RTYPE, in0, in1, in2, in3, shift) do { \ + SRAR_D2(RTYPE, in0, in1, shift); \ + SRAR_D2(RTYPE, in2, in3, shift); \ +} while (0) +#define SRAR_D4_SD(...) SRAR_D4(v2i64, __VA_ARGS__) +#define SRAR_D4_UD(...) SRAR_D4(v2u64, __VA_ARGS__) + +/* Description : Addition of 2 pairs of half-word vectors + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Details : Each element in 'in0' is added to 'in1' and result is written + * to 'out0'. + */ +#define ADDVI_H2(RTYPE, in0, in1, in2, in3, out0, out1) do { \ + out0 = (RTYPE)ADDVI_H(in0, in1); \ + out1 = (RTYPE)ADDVI_H(in2, in3); \ +} while (0) +#define ADDVI_H2_SH(...) ADDVI_H2(v8i16, __VA_ARGS__) +#define ADDVI_H2_UH(...) ADDVI_H2(v8u16, __VA_ARGS__) + +/* Description : Addition of 2 pairs of word vectors + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Details : Each element in 'in0' is added to 'in1' and result is written + * to 'out0'. + */ +#define ADDVI_W2(RTYPE, in0, in1, in2, in3, out0, out1) do { \ + out0 = (RTYPE)ADDVI_W(in0, in1); \ + out1 = (RTYPE)ADDVI_W(in2, in3); \ +} while (0) +#define ADDVI_W2_SW(...) ADDVI_W2(v4i32, __VA_ARGS__) + +/* Description : Fill 2 pairs of word vectors with GP registers + * Arguments : Inputs - in0, in1 + * Outputs - out0, out1 + * Details : GP register in0 is replicated in each word element of out0 + * GP register in1 is replicated in each word element of out1 + */ +#define FILL_W2(RTYPE, in0, in1, out0, out1) do { \ + out0 = (RTYPE)__msa_fill_w(in0); \ + out1 = (RTYPE)__msa_fill_w(in1); \ +} while (0) +#define FILL_W2_SW(...) FILL_W2(v4i32, __VA_ARGS__) + +/* Description : Addition of 2 pairs of vectors + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Details : Each element in 'in0' is added to 'in1' and result is written + * to 'out0'. + */ +#define ADD2(in0, in1, in2, in3, out0, out1) do { \ + out0 = in0 + in1; \ + out1 = in2 + in3; \ +} while (0) + +#define ADD4(in0, in1, in2, in3, in4, in5, in6, in7, \ + out0, out1, out2, out3) do { \ + ADD2(in0, in1, in2, in3, out0, out1); \ + ADD2(in4, in5, in6, in7, out2, out3); \ +} while (0) + +/* Description : Subtraction of 2 pairs of vectors + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Details : Each element in 'in1' is subtracted from 'in0' and result is + * written to 'out0'. + */ +#define SUB2(in0, in1, in2, in3, out0, out1) do { \ + out0 = in0 - in1; \ + out1 = in2 - in3; \ +} while (0) + +#define SUB3(in0, in1, in2, in3, in4, in5, out0, out1, out2) do { \ + out0 = in0 - in1; \ + out1 = in2 - in3; \ + out2 = in4 - in5; \ +} while (0) + +#define SUB4(in0, in1, in2, in3, in4, in5, in6, in7, \ + out0, out1, out2, out3) do { \ + out0 = in0 - in1; \ + out1 = in2 - in3; \ + out2 = in4 - in5; \ + out3 = in6 - in7; \ +} while (0) + +/* Description : Addition - Subtraction of input vectors + * Arguments : Inputs - in0, in1 + * Outputs - out0, out1 + * Details : Each element in 'in1' is added to 'in0' and result is + * written to 'out0'. + * Each element in 'in1' is subtracted from 'in0' and result is + * written to 'out1'. + */ +#define ADDSUB2(in0, in1, out0, out1) do { \ + out0 = in0 + in1; \ + out1 = in0 - in1; \ +} while (0) + +/* Description : Multiplication of pairs of vectors + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1 + * Details : Each element from 'in0' is multiplied with elements from 'in1' + * and the result is written to 'out0' + */ +#define MUL2(in0, in1, in2, in3, out0, out1) do { \ + out0 = in0 * in1; \ + out1 = in2 * in3; \ +} while (0) + +#define MUL4(in0, in1, in2, in3, in4, in5, in6, in7, \ + out0, out1, out2, out3) do { \ + MUL2(in0, in1, in2, in3, out0, out1); \ + MUL2(in4, in5, in6, in7, out2, out3); \ +} while (0) + +/* Description : Sign extend halfword elements from right half of the vector + * Arguments : Input - in (halfword vector) + * Output - out (sign extended word vector) + * Return Type - signed word + * Details : Sign bit of halfword elements from input vector 'in' is + * extracted and interleaved with same vector 'in0' to generate + * 4 word elements keeping sign intact + */ +#define UNPCK_R_SH_SW(in, out) do { \ + const v8i16 sign_m = __msa_clti_s_h((v8i16)in, 0); \ + out = (v4i32)__msa_ilvr_h(sign_m, (v8i16)in); \ +} while (0) + +/* Description : Sign extend halfword elements from input vector and return + * the result in pair of vectors + * Arguments : Input - in (halfword vector) + * Outputs - out0, out1 (sign extended word vectors) + * Return Type - signed word + * Details : Sign bit of halfword elements from input vector 'in' is + * extracted and interleaved right with same vector 'in0' to + * generate 4 signed word elements in 'out0' + * Then interleaved left with same vector 'in0' to + * generate 4 signed word elements in 'out1' + */ +#define UNPCK_SH_SW(in, out0, out1) do { \ + const v8i16 tmp_m = __msa_clti_s_h((v8i16)in, 0); \ + ILVRL_H2_SW(tmp_m, in, out0, out1); \ +} while (0) + +/* Description : Butterfly of 4 input vectors + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1, out2, out3 + * Details : Butterfly operation + */ +#define BUTTERFLY_4(in0, in1, in2, in3, out0, out1, out2, out3) do { \ + out0 = in0 + in3; \ + out1 = in1 + in2; \ + out2 = in1 - in2; \ + out3 = in0 - in3; \ +} while (0) + +/* Description : Transpose 16x4 block into 4x16 with byte elements in vectors + * Arguments : Inputs - in0, in1, in2, in3, in4, in5, in6, in7, + * in8, in9, in10, in11, in12, in13, in14, in15 + * Outputs - out0, out1, out2, out3 + * Return Type - unsigned byte + */ +#define TRANSPOSE16x4_UB_UB(in0, in1, in2, in3, in4, in5, in6, in7, \ + in8, in9, in10, in11, in12, in13, in14, in15, \ + out0, out1, out2, out3) do { \ + v2i64 tmp0_m, tmp1_m, tmp2_m, tmp3_m, tmp4_m, tmp5_m; \ + ILVEV_W2_SD(in0, in4, in8, in12, tmp2_m, tmp3_m); \ + ILVEV_W2_SD(in1, in5, in9, in13, tmp0_m, tmp1_m); \ + ILVEV_D2_UB(tmp2_m, tmp3_m, tmp0_m, tmp1_m, out1, out3); \ + ILVEV_W2_SD(in2, in6, in10, in14, tmp4_m, tmp5_m); \ + ILVEV_W2_SD(in3, in7, in11, in15, tmp0_m, tmp1_m); \ + ILVEV_D2_SD(tmp4_m, tmp5_m, tmp0_m, tmp1_m, tmp2_m, tmp3_m); \ + ILVEV_B2_SD(out1, out3, tmp2_m, tmp3_m, tmp0_m, tmp1_m); \ + ILVEVOD_H2_UB(tmp0_m, tmp1_m, tmp0_m, tmp1_m, out0, out2); \ + ILVOD_B2_SD(out1, out3, tmp2_m, tmp3_m, tmp0_m, tmp1_m); \ + ILVEVOD_H2_UB(tmp0_m, tmp1_m, tmp0_m, tmp1_m, out1, out3); \ +} while (0) + +/* Description : Transpose 16x8 block into 8x16 with byte elements in vectors + * Arguments : Inputs - in0, in1, in2, in3, in4, in5, in6, in7, + * in8, in9, in10, in11, in12, in13, in14, in15 + * Outputs - out0, out1, out2, out3, out4, out5, out6, out7 + * Return Type - unsigned byte + */ +#define TRANSPOSE16x8_UB_UB(in0, in1, in2, in3, in4, in5, in6, in7, \ + in8, in9, in10, in11, in12, in13, in14, in15, \ + out0, out1, out2, out3, out4, out5, \ + out6, out7) do { \ + v8i16 tmp0_m, tmp1_m, tmp4_m, tmp5_m, tmp6_m, tmp7_m; \ + v4i32 tmp2_m, tmp3_m; \ + ILVEV_D2_UB(in0, in8, in1, in9, out7, out6); \ + ILVEV_D2_UB(in2, in10, in3, in11, out5, out4); \ + ILVEV_D2_UB(in4, in12, in5, in13, out3, out2); \ + ILVEV_D2_UB(in6, in14, in7, in15, out1, out0); \ + ILVEV_B2_SH(out7, out6, out5, out4, tmp0_m, tmp1_m); \ + ILVOD_B2_SH(out7, out6, out5, out4, tmp4_m, tmp5_m); \ + ILVEV_B2_UB(out3, out2, out1, out0, out5, out7); \ + ILVOD_B2_SH(out3, out2, out1, out0, tmp6_m, tmp7_m); \ + ILVEV_H2_SW(tmp0_m, tmp1_m, out5, out7, tmp2_m, tmp3_m); \ + ILVEVOD_W2_UB(tmp2_m, tmp3_m, tmp2_m, tmp3_m, out0, out4); \ + ILVOD_H2_SW(tmp0_m, tmp1_m, out5, out7, tmp2_m, tmp3_m); \ + ILVEVOD_W2_UB(tmp2_m, tmp3_m, tmp2_m, tmp3_m, out2, out6); \ + ILVEV_H2_SW(tmp4_m, tmp5_m, tmp6_m, tmp7_m, tmp2_m, tmp3_m); \ + ILVEVOD_W2_UB(tmp2_m, tmp3_m, tmp2_m, tmp3_m, out1, out5); \ + ILVOD_H2_SW(tmp4_m, tmp5_m, tmp6_m, tmp7_m, tmp2_m, tmp3_m); \ + ILVEVOD_W2_UB(tmp2_m, tmp3_m, tmp2_m, tmp3_m, out3, out7); \ +} while (0) + +/* Description : Transpose 4x4 block with word elements in vectors + * Arguments : Inputs - in0, in1, in2, in3 + * Outputs - out0, out1, out2, out3 + * Return Type - as per RTYPE + */ +#define TRANSPOSE4x4_W(RTYPE, in0, in1, in2, in3, \ + out0, out1, out2, out3) do { \ + v4i32 s0_m, s1_m, s2_m, s3_m; \ + ILVRL_W2_SW(in1, in0, s0_m, s1_m); \ + ILVRL_W2_SW(in3, in2, s2_m, s3_m); \ + out0 = (RTYPE)__msa_ilvr_d((v2i64)s2_m, (v2i64)s0_m); \ + out1 = (RTYPE)__msa_ilvl_d((v2i64)s2_m, (v2i64)s0_m); \ + out2 = (RTYPE)__msa_ilvr_d((v2i64)s3_m, (v2i64)s1_m); \ + out3 = (RTYPE)__msa_ilvl_d((v2i64)s3_m, (v2i64)s1_m); \ +} while (0) +#define TRANSPOSE4x4_SW_SW(...) TRANSPOSE4x4_W(v4i32, __VA_ARGS__) + +/* Description : Add block 4x4 + * Arguments : Inputs - in0, in1, in2, in3, pdst, stride + * Details : Least significant 4 bytes from each input vector are added to + * the destination bytes, clipped between 0-255 and stored. + */ +#define ADDBLK_ST4x4_UB(in0, in1, in2, in3, pdst, stride) do { \ + uint32_t src0_m, src1_m, src2_m, src3_m; \ + v8i16 inp0_m, inp1_m, res0_m, res1_m; \ + v16i8 dst0_m = { 0 }; \ + v16i8 dst1_m = { 0 }; \ + const v16i8 zero_m = { 0 }; \ + ILVR_D2_SH(in1, in0, in3, in2, inp0_m, inp1_m); \ + LW4(pdst, stride, src0_m, src1_m, src2_m, src3_m); \ + INSERT_W2_SB(src0_m, src1_m, dst0_m); \ + INSERT_W2_SB(src2_m, src3_m, dst1_m); \ + ILVR_B2_SH(zero_m, dst0_m, zero_m, dst1_m, res0_m, res1_m); \ + ADD2(res0_m, inp0_m, res1_m, inp1_m, res0_m, res1_m); \ + CLIP_SH2_0_255(res0_m, res1_m); \ + PCKEV_B2_SB(res0_m, res0_m, res1_m, res1_m, dst0_m, dst1_m); \ + ST4x4_UB(dst0_m, dst1_m, 0, 1, 0, 1, pdst, stride); \ +} while (0) + +/* Description : Pack even byte elements, extract 0 & 2 index words from pair + * of results and store 4 words in destination memory as per + * stride + * Arguments : Inputs - in0, in1, in2, in3, pdst, stride + */ +#define PCKEV_ST4x4_UB(in0, in1, in2, in3, pdst, stride) do { \ + v16i8 tmp0_m, tmp1_m; \ + PCKEV_B2_SB(in1, in0, in3, in2, tmp0_m, tmp1_m); \ + ST4x4_UB(tmp0_m, tmp1_m, 0, 2, 0, 2, pdst, stride); \ +} while (0) + +/* Description : average with rounding (in0 + in1 + 1) / 2. + * Arguments : Inputs - in0, in1, in2, in3, + * Outputs - out0, out1 + * Return Type - as per RTYPE + * Details : Each unsigned byte element from 'in0' vector is added with + * each unsigned byte element from 'in1' vector. Then the average + * with rounding is calculated and written to 'out0' + */ +#define AVER_UB2(RTYPE, in0, in1, in2, in3, out0, out1) do { \ + out0 = (RTYPE)__msa_aver_u_b((v16u8)in0, (v16u8)in1); \ + out1 = (RTYPE)__msa_aver_u_b((v16u8)in2, (v16u8)in3); \ +} while (0) +#define AVER_UB2_UB(...) AVER_UB2(v16u8, __VA_ARGS__) + +#endif // WEBP_USE_MSA +#endif // WEBP_DSP_MSA_MACRO_H_ diff --git a/ProductApp/Pods/libwebp/src/dsp/neon.h b/ProductApp/Pods/libwebp/src/dsp/neon.h new file mode 100644 index 0000000..14acb40 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/neon.h @@ -0,0 +1,104 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// NEON common code. + +#ifndef WEBP_DSP_NEON_H_ +#define WEBP_DSP_NEON_H_ + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_NEON) + +#include + +// Right now, some intrinsics functions seem slower, so we disable them +// everywhere except newer clang/gcc or aarch64 where the inline assembly is +// incompatible. +#if LOCAL_CLANG_PREREQ(3, 8) || LOCAL_GCC_PREREQ(4, 9) || WEBP_AARCH64 +#define WEBP_USE_INTRINSICS // use intrinsics when possible +#endif + +#define INIT_VECTOR2(v, a, b) do { \ + v.val[0] = a; \ + v.val[1] = b; \ +} while (0) + +#define INIT_VECTOR3(v, a, b, c) do { \ + v.val[0] = a; \ + v.val[1] = b; \ + v.val[2] = c; \ +} while (0) + +#define INIT_VECTOR4(v, a, b, c, d) do { \ + v.val[0] = a; \ + v.val[1] = b; \ + v.val[2] = c; \ + v.val[3] = d; \ +} while (0) + +// if using intrinsics, this flag avoids some functions that make gcc-4.6.3 +// crash ("internal compiler error: in immed_double_const, at emit-rtl."). +// (probably similar to gcc.gnu.org/bugzilla/show_bug.cgi?id=48183) +#if !(LOCAL_CLANG_PREREQ(3, 8) || LOCAL_GCC_PREREQ(4, 8) || WEBP_AARCH64) +#define WORK_AROUND_GCC +#endif + +static WEBP_INLINE int32x4x4_t Transpose4x4_NEON(const int32x4x4_t rows) { + uint64x2x2_t row01, row23; + + row01.val[0] = vreinterpretq_u64_s32(rows.val[0]); + row01.val[1] = vreinterpretq_u64_s32(rows.val[1]); + row23.val[0] = vreinterpretq_u64_s32(rows.val[2]); + row23.val[1] = vreinterpretq_u64_s32(rows.val[3]); + // Transpose 64-bit values (there's no vswp equivalent) + { + const uint64x1_t row0h = vget_high_u64(row01.val[0]); + const uint64x1_t row2l = vget_low_u64(row23.val[0]); + const uint64x1_t row1h = vget_high_u64(row01.val[1]); + const uint64x1_t row3l = vget_low_u64(row23.val[1]); + row01.val[0] = vcombine_u64(vget_low_u64(row01.val[0]), row2l); + row23.val[0] = vcombine_u64(row0h, vget_high_u64(row23.val[0])); + row01.val[1] = vcombine_u64(vget_low_u64(row01.val[1]), row3l); + row23.val[1] = vcombine_u64(row1h, vget_high_u64(row23.val[1])); + } + { + const int32x4x2_t out01 = vtrnq_s32(vreinterpretq_s32_u64(row01.val[0]), + vreinterpretq_s32_u64(row01.val[1])); + const int32x4x2_t out23 = vtrnq_s32(vreinterpretq_s32_u64(row23.val[0]), + vreinterpretq_s32_u64(row23.val[1])); + int32x4x4_t out; + out.val[0] = out01.val[0]; + out.val[1] = out01.val[1]; + out.val[2] = out23.val[0]; + out.val[3] = out23.val[1]; + return out; + } +} + +#if 0 // Useful debug macro. +#include +#define PRINT_REG(REG, SIZE) do { \ + int i; \ + printf("%s \t[%d]: 0x", #REG, SIZE); \ + if (SIZE == 8) { \ + uint8_t _tmp[8]; \ + vst1_u8(_tmp, (REG)); \ + for (i = 0; i < 8; ++i) printf("%.2x ", _tmp[i]); \ + } else if (SIZE == 16) { \ + uint16_t _tmp[4]; \ + vst1_u16(_tmp, (REG)); \ + for (i = 0; i < 4; ++i) printf("%.4x ", _tmp[i]); \ + } \ + printf("\n"); \ +} while (0) +#endif + +#endif // WEBP_USE_NEON +#endif // WEBP_DSP_NEON_H_ diff --git a/ProductApp/Pods/libwebp/src/dsp/quant.h b/ProductApp/Pods/libwebp/src/dsp/quant.h new file mode 100644 index 0000000..bf7734c --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/quant.h @@ -0,0 +1,90 @@ +// Copyright 2018 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- + +#ifndef WEBP_DSP_QUANT_H_ +#define WEBP_DSP_QUANT_H_ + +#include + +#include "src/dsp/dsp.h" +#include "src/webp/types.h" + +#if defined(WEBP_USE_NEON) && !defined(WEBP_ANDROID_NEON) && \ + !defined(WEBP_HAVE_NEON_RTCD) +#include + +#define IsFlat IsFlat_NEON + +static uint32_t horizontal_add_uint32x4(const uint32x4_t a) { +#if WEBP_AARCH64 + return vaddvq_u32(a); +#else + const uint64x2_t b = vpaddlq_u32(a); + const uint32x2_t c = vadd_u32(vreinterpret_u32_u64(vget_low_u64(b)), + vreinterpret_u32_u64(vget_high_u64(b))); + return vget_lane_u32(c, 0); +#endif +} + +static WEBP_INLINE int IsFlat(const int16_t* levels, int num_blocks, + int thresh) { + const int16x8_t tst_ones = vdupq_n_s16(-1); + uint32x4_t sum = vdupq_n_u32(0); + + for (int i = 0; i < num_blocks; ++i) { + // Set DC to zero. + const int16x8_t a_0 = vsetq_lane_s16(0, vld1q_s16(levels), 0); + const int16x8_t a_1 = vld1q_s16(levels + 8); + + const uint16x8_t b_0 = vshrq_n_u16(vtstq_s16(a_0, tst_ones), 15); + const uint16x8_t b_1 = vshrq_n_u16(vtstq_s16(a_1, tst_ones), 15); + + sum = vpadalq_u16(sum, b_0); + sum = vpadalq_u16(sum, b_1); + + levels += 16; + } + return thresh >= (int)horizontal_add_uint32x4(sum); +} + +#else + +#define IsFlat IsFlat_C + +static WEBP_INLINE int IsFlat(const int16_t* levels, int num_blocks, + int thresh) { + int score = 0; + while (num_blocks-- > 0) { // TODO(skal): refine positional scoring? + int i; + for (i = 1; i < 16; ++i) { // omit DC, we're only interested in AC + score += (levels[i] != 0); + if (score > thresh) return 0; + } + levels += 16; + } + return 1; +} + +#endif // defined(WEBP_USE_NEON) && !defined(WEBP_ANDROID_NEON) && + // !defined(WEBP_HAVE_NEON_RTCD) + +static WEBP_INLINE int IsFlatSource16(const uint8_t* src) { + const uint32_t v = src[0] * 0x01010101u; + int i; + for (i = 0; i < 16; ++i) { + if (memcmp(src + 0, &v, 4) || memcmp(src + 4, &v, 4) || + memcmp(src + 8, &v, 4) || memcmp(src + 12, &v, 4)) { + return 0; + } + src += BPS; + } + return 1; +} + +#endif // WEBP_DSP_QUANT_H_ diff --git a/ProductApp/Pods/libwebp/src/dsp/rescaler.c b/ProductApp/Pods/libwebp/src/dsp/rescaler.c new file mode 100644 index 0000000..325d8be --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/rescaler.c @@ -0,0 +1,252 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Rescaling functions +// +// Author: Skal (pascal.massimino@gmail.com) + +#include + +#include "src/dsp/dsp.h" +#include "src/utils/rescaler_utils.h" + +//------------------------------------------------------------------------------ +// Implementations of critical functions ImportRow / ExportRow + +#define ROUNDER (WEBP_RESCALER_ONE >> 1) +#define MULT_FIX(x, y) (((uint64_t)(x) * (y) + ROUNDER) >> WEBP_RESCALER_RFIX) +#define MULT_FIX_FLOOR(x, y) (((uint64_t)(x) * (y)) >> WEBP_RESCALER_RFIX) + +//------------------------------------------------------------------------------ +// Row import + +void WebPRescalerImportRowExpand_C(WebPRescaler* const wrk, + const uint8_t* src) { + const int x_stride = wrk->num_channels; + const int x_out_max = wrk->dst_width * wrk->num_channels; + int channel; + assert(!WebPRescalerInputDone(wrk)); + assert(wrk->x_expand); + for (channel = 0; channel < x_stride; ++channel) { + int x_in = channel; + int x_out = channel; + // simple bilinear interpolation + int accum = wrk->x_add; + rescaler_t left = (rescaler_t)src[x_in]; + rescaler_t right = + (wrk->src_width > 1) ? (rescaler_t)src[x_in + x_stride] : left; + x_in += x_stride; + while (1) { + wrk->frow[x_out] = right * wrk->x_add + (left - right) * accum; + x_out += x_stride; + if (x_out >= x_out_max) break; + accum -= wrk->x_sub; + if (accum < 0) { + left = right; + x_in += x_stride; + assert(x_in < wrk->src_width * x_stride); + right = (rescaler_t)src[x_in]; + accum += wrk->x_add; + } + } + assert(wrk->x_sub == 0 /* <- special case for src_width=1 */ || accum == 0); + } +} + +void WebPRescalerImportRowShrink_C(WebPRescaler* const wrk, + const uint8_t* src) { + const int x_stride = wrk->num_channels; + const int x_out_max = wrk->dst_width * wrk->num_channels; + int channel; + assert(!WebPRescalerInputDone(wrk)); + assert(!wrk->x_expand); + for (channel = 0; channel < x_stride; ++channel) { + int x_in = channel; + int x_out = channel; + uint32_t sum = 0; + int accum = 0; + while (x_out < x_out_max) { + uint32_t base = 0; + accum += wrk->x_add; + while (accum > 0) { + accum -= wrk->x_sub; + assert(x_in < wrk->src_width * x_stride); + base = src[x_in]; + sum += base; + x_in += x_stride; + } + { // Emit next horizontal pixel. + const rescaler_t frac = base * (-accum); + wrk->frow[x_out] = sum * wrk->x_sub - frac; + // fresh fractional start for next pixel + sum = (int)MULT_FIX(frac, wrk->fx_scale); + } + x_out += x_stride; + } + assert(accum == 0); + } +} + +//------------------------------------------------------------------------------ +// Row export + +void WebPRescalerExportRowExpand_C(WebPRescaler* const wrk) { + int x_out; + uint8_t* const dst = wrk->dst; + rescaler_t* const irow = wrk->irow; + const int x_out_max = wrk->dst_width * wrk->num_channels; + const rescaler_t* const frow = wrk->frow; + assert(!WebPRescalerOutputDone(wrk)); + assert(wrk->y_accum <= 0); + assert(wrk->y_expand); + assert(wrk->y_sub != 0); + if (wrk->y_accum == 0) { + for (x_out = 0; x_out < x_out_max; ++x_out) { + const uint32_t J = frow[x_out]; + const int v = (int)MULT_FIX(J, wrk->fy_scale); + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; + } + } else { + const uint32_t B = WEBP_RESCALER_FRAC(-wrk->y_accum, wrk->y_sub); + const uint32_t A = (uint32_t)(WEBP_RESCALER_ONE - B); + for (x_out = 0; x_out < x_out_max; ++x_out) { + const uint64_t I = (uint64_t)A * frow[x_out] + + (uint64_t)B * irow[x_out]; + const uint32_t J = (uint32_t)((I + ROUNDER) >> WEBP_RESCALER_RFIX); + const int v = (int)MULT_FIX(J, wrk->fy_scale); + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; + } + } +} + +void WebPRescalerExportRowShrink_C(WebPRescaler* const wrk) { + int x_out; + uint8_t* const dst = wrk->dst; + rescaler_t* const irow = wrk->irow; + const int x_out_max = wrk->dst_width * wrk->num_channels; + const rescaler_t* const frow = wrk->frow; + const uint32_t yscale = wrk->fy_scale * (-wrk->y_accum); + assert(!WebPRescalerOutputDone(wrk)); + assert(wrk->y_accum <= 0); + assert(!wrk->y_expand); + if (yscale) { + for (x_out = 0; x_out < x_out_max; ++x_out) { + const uint32_t frac = (uint32_t)MULT_FIX_FLOOR(frow[x_out], yscale); + const int v = (int)MULT_FIX(irow[x_out] - frac, wrk->fxy_scale); + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; + irow[x_out] = frac; // new fractional start + } + } else { + for (x_out = 0; x_out < x_out_max; ++x_out) { + const int v = (int)MULT_FIX(irow[x_out], wrk->fxy_scale); + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; + irow[x_out] = 0; + } + } +} + +#undef MULT_FIX_FLOOR +#undef MULT_FIX +#undef ROUNDER + +//------------------------------------------------------------------------------ +// Main entry calls + +void WebPRescalerImportRow(WebPRescaler* const wrk, const uint8_t* src) { + assert(!WebPRescalerInputDone(wrk)); + if (!wrk->x_expand) { + WebPRescalerImportRowShrink(wrk, src); + } else { + WebPRescalerImportRowExpand(wrk, src); + } +} + +void WebPRescalerExportRow(WebPRescaler* const wrk) { + if (wrk->y_accum <= 0) { + assert(!WebPRescalerOutputDone(wrk)); + if (wrk->y_expand) { + WebPRescalerExportRowExpand(wrk); + } else if (wrk->fxy_scale) { + WebPRescalerExportRowShrink(wrk); + } else { // special case + int i; + assert(wrk->src_height == wrk->dst_height && wrk->x_add == 1); + assert(wrk->src_width == 1 && wrk->dst_width <= 2); + for (i = 0; i < wrk->num_channels * wrk->dst_width; ++i) { + wrk->dst[i] = wrk->irow[i]; + wrk->irow[i] = 0; + } + } + wrk->y_accum += wrk->y_add; + wrk->dst += wrk->dst_stride; + ++wrk->dst_y; + } +} + +//------------------------------------------------------------------------------ + +WebPRescalerImportRowFunc WebPRescalerImportRowExpand; +WebPRescalerImportRowFunc WebPRescalerImportRowShrink; + +WebPRescalerExportRowFunc WebPRescalerExportRowExpand; +WebPRescalerExportRowFunc WebPRescalerExportRowShrink; + +extern VP8CPUInfo VP8GetCPUInfo; +extern void WebPRescalerDspInitSSE2(void); +extern void WebPRescalerDspInitMIPS32(void); +extern void WebPRescalerDspInitMIPSdspR2(void); +extern void WebPRescalerDspInitMSA(void); +extern void WebPRescalerDspInitNEON(void); + +WEBP_DSP_INIT_FUNC(WebPRescalerDspInit) { +#if !defined(WEBP_REDUCE_SIZE) +#if !WEBP_NEON_OMIT_C_CODE + WebPRescalerExportRowExpand = WebPRescalerExportRowExpand_C; + WebPRescalerExportRowShrink = WebPRescalerExportRowShrink_C; +#endif + + WebPRescalerImportRowExpand = WebPRescalerImportRowExpand_C; + WebPRescalerImportRowShrink = WebPRescalerImportRowShrink_C; + + if (VP8GetCPUInfo != NULL) { +#if defined(WEBP_HAVE_SSE2) + if (VP8GetCPUInfo(kSSE2)) { + WebPRescalerDspInitSSE2(); + } +#endif +#if defined(WEBP_USE_MIPS32) + if (VP8GetCPUInfo(kMIPS32)) { + WebPRescalerDspInitMIPS32(); + } +#endif +#if defined(WEBP_USE_MIPS_DSP_R2) + if (VP8GetCPUInfo(kMIPSdspR2)) { + WebPRescalerDspInitMIPSdspR2(); + } +#endif +#if defined(WEBP_USE_MSA) + if (VP8GetCPUInfo(kMSA)) { + WebPRescalerDspInitMSA(); + } +#endif + } + +#if defined(WEBP_HAVE_NEON) + if (WEBP_NEON_OMIT_C_CODE || + (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kNEON))) { + WebPRescalerDspInitNEON(); + } +#endif + + assert(WebPRescalerExportRowExpand != NULL); + assert(WebPRescalerExportRowShrink != NULL); + assert(WebPRescalerImportRowExpand != NULL); + assert(WebPRescalerImportRowShrink != NULL); +#endif // WEBP_REDUCE_SIZE +} diff --git a/ProductApp/Pods/libwebp/src/dsp/rescaler_mips32.c b/ProductApp/Pods/libwebp/src/dsp/rescaler_mips32.c new file mode 100644 index 0000000..61f63c6 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/rescaler_mips32.c @@ -0,0 +1,295 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// MIPS version of rescaling functions +// +// Author(s): Djordje Pesut (djordje.pesut@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MIPS32) && !defined(WEBP_REDUCE_SIZE) + +#include +#include "src/utils/rescaler_utils.h" + +//------------------------------------------------------------------------------ +// Row import + +static void ImportRowShrink_MIPS32(WebPRescaler* const wrk, + const uint8_t* src) { + const int x_stride = wrk->num_channels; + const int x_out_max = wrk->dst_width * wrk->num_channels; + const int fx_scale = wrk->fx_scale; + const int x_add = wrk->x_add; + const int x_sub = wrk->x_sub; + const int x_stride1 = x_stride << 2; + int channel; + assert(!wrk->x_expand); + assert(!WebPRescalerInputDone(wrk)); + + for (channel = 0; channel < x_stride; ++channel) { + const uint8_t* src1 = src + channel; + rescaler_t* frow = wrk->frow + channel; + int temp1, temp2, temp3; + int base, frac, sum; + int accum, accum1; + int loop_c = x_out_max - channel; + + __asm__ volatile ( + "li %[temp1], 0x8000 \n\t" + "li %[temp2], 0x10000 \n\t" + "li %[sum], 0 \n\t" + "li %[accum], 0 \n\t" + "1: \n\t" + "addu %[accum], %[accum], %[x_add] \n\t" + "li %[base], 0 \n\t" + "blez %[accum], 3f \n\t" + "2: \n\t" + "lbu %[base], 0(%[src1]) \n\t" + "subu %[accum], %[accum], %[x_sub] \n\t" + "addu %[src1], %[src1], %[x_stride] \n\t" + "addu %[sum], %[sum], %[base] \n\t" + "bgtz %[accum], 2b \n\t" + "3: \n\t" + "negu %[accum1], %[accum] \n\t" + "mul %[frac], %[base], %[accum1] \n\t" + "mul %[temp3], %[sum], %[x_sub] \n\t" + "subu %[loop_c], %[loop_c], %[x_stride] \n\t" + "mult %[temp1], %[temp2] \n\t" + "maddu %[frac], %[fx_scale] \n\t" + "mfhi %[sum] \n\t" + "subu %[temp3], %[temp3], %[frac] \n\t" + "sw %[temp3], 0(%[frow]) \n\t" + "addu %[frow], %[frow], %[x_stride1] \n\t" + "bgtz %[loop_c], 1b \n\t" + : [accum]"=&r"(accum), [src1]"+r"(src1), [temp3]"=&r"(temp3), + [sum]"=&r"(sum), [base]"=&r"(base), [frac]"=&r"(frac), + [frow]"+r"(frow), [accum1]"=&r"(accum1), + [temp2]"=&r"(temp2), [temp1]"=&r"(temp1) + : [x_stride]"r"(x_stride), [fx_scale]"r"(fx_scale), + [x_sub]"r"(x_sub), [x_add]"r"(x_add), + [loop_c]"r"(loop_c), [x_stride1]"r"(x_stride1) + : "memory", "hi", "lo" + ); + assert(accum == 0); + } +} + +static void ImportRowExpand_MIPS32(WebPRescaler* const wrk, + const uint8_t* src) { + const int x_stride = wrk->num_channels; + const int x_out_max = wrk->dst_width * wrk->num_channels; + const int x_add = wrk->x_add; + const int x_sub = wrk->x_sub; + const int src_width = wrk->src_width; + const int x_stride1 = x_stride << 2; + int channel; + assert(wrk->x_expand); + assert(!WebPRescalerInputDone(wrk)); + + for (channel = 0; channel < x_stride; ++channel) { + const uint8_t* src1 = src + channel; + rescaler_t* frow = wrk->frow + channel; + int temp1, temp2, temp3, temp4; + int frac; + int accum; + int x_out = channel; + + __asm__ volatile ( + "addiu %[temp3], %[src_width], -1 \n\t" + "lbu %[temp2], 0(%[src1]) \n\t" + "addu %[src1], %[src1], %[x_stride] \n\t" + "bgtz %[temp3], 0f \n\t" + "addiu %[temp1], %[temp2], 0 \n\t" + "b 3f \n\t" + "0: \n\t" + "lbu %[temp1], 0(%[src1]) \n\t" + "3: \n\t" + "addiu %[accum], %[x_add], 0 \n\t" + "1: \n\t" + "subu %[temp3], %[temp2], %[temp1] \n\t" + "mul %[temp3], %[temp3], %[accum] \n\t" + "mul %[temp4], %[temp1], %[x_add] \n\t" + "addu %[temp3], %[temp4], %[temp3] \n\t" + "sw %[temp3], 0(%[frow]) \n\t" + "addu %[frow], %[frow], %[x_stride1] \n\t" + "addu %[x_out], %[x_out], %[x_stride] \n\t" + "subu %[temp3], %[x_out], %[x_out_max] \n\t" + "bgez %[temp3], 2f \n\t" + "subu %[accum], %[accum], %[x_sub] \n\t" + "bgez %[accum], 4f \n\t" + "addiu %[temp2], %[temp1], 0 \n\t" + "addu %[src1], %[src1], %[x_stride] \n\t" + "lbu %[temp1], 0(%[src1]) \n\t" + "addu %[accum], %[accum], %[x_add] \n\t" + "4: \n\t" + "b 1b \n\t" + "2: \n\t" + : [src1]"+r"(src1), [accum]"=&r"(accum), [temp1]"=&r"(temp1), + [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), + [x_out]"+r"(x_out), [frac]"=&r"(frac), [frow]"+r"(frow) + : [x_stride]"r"(x_stride), [x_add]"r"(x_add), [x_sub]"r"(x_sub), + [x_stride1]"r"(x_stride1), [src_width]"r"(src_width), + [x_out_max]"r"(x_out_max) + : "memory", "hi", "lo" + ); + assert(wrk->x_sub == 0 /* <- special case for src_width=1 */ || accum == 0); + } +} + +//------------------------------------------------------------------------------ +// Row export + +static void ExportRowExpand_MIPS32(WebPRescaler* const wrk) { + uint8_t* dst = wrk->dst; + rescaler_t* irow = wrk->irow; + const int x_out_max = wrk->dst_width * wrk->num_channels; + const rescaler_t* frow = wrk->frow; + int temp0, temp1, temp3, temp4, temp5, loop_end; + const int temp2 = (int)wrk->fy_scale; + const int temp6 = x_out_max << 2; + assert(!WebPRescalerOutputDone(wrk)); + assert(wrk->y_accum <= 0); + assert(wrk->y_expand); + assert(wrk->y_sub != 0); + if (wrk->y_accum == 0) { + __asm__ volatile ( + "li %[temp3], 0x10000 \n\t" + "li %[temp4], 0x8000 \n\t" + "addu %[loop_end], %[frow], %[temp6] \n\t" + "1: \n\t" + "lw %[temp0], 0(%[frow]) \n\t" + "addiu %[dst], %[dst], 1 \n\t" + "addiu %[frow], %[frow], 4 \n\t" + "mult %[temp3], %[temp4] \n\t" + "maddu %[temp0], %[temp2] \n\t" + "mfhi %[temp5] \n\t" + "sb %[temp5], -1(%[dst]) \n\t" + "bne %[frow], %[loop_end], 1b \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp3]"=&r"(temp3), + [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [frow]"+r"(frow), + [dst]"+r"(dst), [loop_end]"=&r"(loop_end) + : [temp2]"r"(temp2), [temp6]"r"(temp6) + : "memory", "hi", "lo" + ); + } else { + const uint32_t B = WEBP_RESCALER_FRAC(-wrk->y_accum, wrk->y_sub); + const uint32_t A = (uint32_t)(WEBP_RESCALER_ONE - B); + __asm__ volatile ( + "li %[temp3], 0x10000 \n\t" + "li %[temp4], 0x8000 \n\t" + "addu %[loop_end], %[frow], %[temp6] \n\t" + "1: \n\t" + "lw %[temp0], 0(%[frow]) \n\t" + "lw %[temp1], 0(%[irow]) \n\t" + "addiu %[dst], %[dst], 1 \n\t" + "mult %[temp3], %[temp4] \n\t" + "maddu %[A], %[temp0] \n\t" + "maddu %[B], %[temp1] \n\t" + "addiu %[frow], %[frow], 4 \n\t" + "addiu %[irow], %[irow], 4 \n\t" + "mfhi %[temp5] \n\t" + "mult %[temp3], %[temp4] \n\t" + "maddu %[temp5], %[temp2] \n\t" + "mfhi %[temp5] \n\t" + "sb %[temp5], -1(%[dst]) \n\t" + "bne %[frow], %[loop_end], 1b \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp3]"=&r"(temp3), + [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [frow]"+r"(frow), + [irow]"+r"(irow), [dst]"+r"(dst), [loop_end]"=&r"(loop_end) + : [temp2]"r"(temp2), [temp6]"r"(temp6), [A]"r"(A), [B]"r"(B) + : "memory", "hi", "lo" + ); + } +} + +#if 0 // disabled for now. TODO(skal): make match the C-code +static void ExportRowShrink_MIPS32(WebPRescaler* const wrk) { + const int x_out_max = wrk->dst_width * wrk->num_channels; + uint8_t* dst = wrk->dst; + rescaler_t* irow = wrk->irow; + const rescaler_t* frow = wrk->frow; + const int yscale = wrk->fy_scale * (-wrk->y_accum); + int temp0, temp1, temp3, temp4, temp5, loop_end; + const int temp2 = (int)wrk->fxy_scale; + const int temp6 = x_out_max << 2; + + assert(!WebPRescalerOutputDone(wrk)); + assert(wrk->y_accum <= 0); + assert(!wrk->y_expand); + assert(wrk->fxy_scale != 0); + if (yscale) { + __asm__ volatile ( + "li %[temp3], 0x10000 \n\t" + "li %[temp4], 0x8000 \n\t" + "addu %[loop_end], %[frow], %[temp6] \n\t" + "1: \n\t" + "lw %[temp0], 0(%[frow]) \n\t" + "mult %[temp3], %[temp4] \n\t" + "addiu %[frow], %[frow], 4 \n\t" + "maddu %[temp0], %[yscale] \n\t" + "mfhi %[temp1] \n\t" + "lw %[temp0], 0(%[irow]) \n\t" + "addiu %[dst], %[dst], 1 \n\t" + "addiu %[irow], %[irow], 4 \n\t" + "subu %[temp0], %[temp0], %[temp1] \n\t" + "mult %[temp3], %[temp4] \n\t" + "maddu %[temp0], %[temp2] \n\t" + "mfhi %[temp5] \n\t" + "sw %[temp1], -4(%[irow]) \n\t" + "sb %[temp5], -1(%[dst]) \n\t" + "bne %[frow], %[loop_end], 1b \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp3]"=&r"(temp3), + [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [frow]"+r"(frow), + [irow]"+r"(irow), [dst]"+r"(dst), [loop_end]"=&r"(loop_end) + : [temp2]"r"(temp2), [yscale]"r"(yscale), [temp6]"r"(temp6) + : "memory", "hi", "lo" + ); + } else { + __asm__ volatile ( + "li %[temp3], 0x10000 \n\t" + "li %[temp4], 0x8000 \n\t" + "addu %[loop_end], %[irow], %[temp6] \n\t" + "1: \n\t" + "lw %[temp0], 0(%[irow]) \n\t" + "addiu %[dst], %[dst], 1 \n\t" + "addiu %[irow], %[irow], 4 \n\t" + "mult %[temp3], %[temp4] \n\t" + "maddu %[temp0], %[temp2] \n\t" + "mfhi %[temp5] \n\t" + "sw $zero, -4(%[irow]) \n\t" + "sb %[temp5], -1(%[dst]) \n\t" + "bne %[irow], %[loop_end], 1b \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp3]"=&r"(temp3), + [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [irow]"+r"(irow), + [dst]"+r"(dst), [loop_end]"=&r"(loop_end) + : [temp2]"r"(temp2), [temp6]"r"(temp6) + : "memory", "hi", "lo" + ); + } +} +#endif // 0 + +//------------------------------------------------------------------------------ +// Entry point + +extern void WebPRescalerDspInitMIPS32(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInitMIPS32(void) { + WebPRescalerImportRowExpand = ImportRowExpand_MIPS32; + WebPRescalerImportRowShrink = ImportRowShrink_MIPS32; + WebPRescalerExportRowExpand = ExportRowExpand_MIPS32; +// WebPRescalerExportRowShrink = ExportRowShrink_MIPS32; +} + +#else // !WEBP_USE_MIPS32 + +WEBP_DSP_INIT_STUB(WebPRescalerDspInitMIPS32) + +#endif // WEBP_USE_MIPS32 diff --git a/ProductApp/Pods/libwebp/src/dsp/rescaler_mips_dsp_r2.c b/ProductApp/Pods/libwebp/src/dsp/rescaler_mips_dsp_r2.c new file mode 100644 index 0000000..419b741 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/rescaler_mips_dsp_r2.c @@ -0,0 +1,314 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// MIPS version of rescaling functions +// +// Author(s): Djordje Pesut (djordje.pesut@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MIPS_DSP_R2) && !defined(WEBP_REDUCE_SIZE) + +#include +#include "src/utils/rescaler_utils.h" + +#define ROUNDER (WEBP_RESCALER_ONE >> 1) +#define MULT_FIX(x, y) (((uint64_t)(x) * (y) + ROUNDER) >> WEBP_RESCALER_RFIX) +#define MULT_FIX_FLOOR(x, y) (((uint64_t)(x) * (y)) >> WEBP_RESCALER_RFIX) + +//------------------------------------------------------------------------------ +// Row export + +#if 0 // disabled for now. TODO(skal): make match the C-code +static void ExportRowShrink_MIPSdspR2(WebPRescaler* const wrk) { + int i; + const int x_out_max = wrk->dst_width * wrk->num_channels; + uint8_t* dst = wrk->dst; + rescaler_t* irow = wrk->irow; + const rescaler_t* frow = wrk->frow; + const int yscale = wrk->fy_scale * (-wrk->y_accum); + int temp0, temp1, temp2, temp3, temp4, temp5, loop_end; + const int temp7 = (int)wrk->fxy_scale; + const int temp6 = (x_out_max & ~0x3) << 2; + assert(!WebPRescalerOutputDone(wrk)); + assert(wrk->y_accum <= 0); + assert(!wrk->y_expand); + assert(wrk->fxy_scale != 0); + if (yscale) { + if (x_out_max >= 4) { + int temp8, temp9, temp10, temp11; + __asm__ volatile ( + "li %[temp3], 0x10000 \n\t" + "li %[temp4], 0x8000 \n\t" + "addu %[loop_end], %[frow], %[temp6] \n\t" + "1: \n\t" + "lw %[temp0], 0(%[frow]) \n\t" + "lw %[temp1], 4(%[frow]) \n\t" + "lw %[temp2], 8(%[frow]) \n\t" + "lw %[temp5], 12(%[frow]) \n\t" + "mult $ac0, %[temp3], %[temp4] \n\t" + "maddu $ac0, %[temp0], %[yscale] \n\t" + "mult $ac1, %[temp3], %[temp4] \n\t" + "maddu $ac1, %[temp1], %[yscale] \n\t" + "mult $ac2, %[temp3], %[temp4] \n\t" + "maddu $ac2, %[temp2], %[yscale] \n\t" + "mult $ac3, %[temp3], %[temp4] \n\t" + "maddu $ac3, %[temp5], %[yscale] \n\t" + "addiu %[frow], %[frow], 16 \n\t" + "mfhi %[temp0], $ac0 \n\t" + "mfhi %[temp1], $ac1 \n\t" + "mfhi %[temp2], $ac2 \n\t" + "mfhi %[temp5], $ac3 \n\t" + "lw %[temp8], 0(%[irow]) \n\t" + "lw %[temp9], 4(%[irow]) \n\t" + "lw %[temp10], 8(%[irow]) \n\t" + "lw %[temp11], 12(%[irow]) \n\t" + "addiu %[dst], %[dst], 4 \n\t" + "addiu %[irow], %[irow], 16 \n\t" + "subu %[temp8], %[temp8], %[temp0] \n\t" + "subu %[temp9], %[temp9], %[temp1] \n\t" + "subu %[temp10], %[temp10], %[temp2] \n\t" + "subu %[temp11], %[temp11], %[temp5] \n\t" + "mult $ac0, %[temp3], %[temp4] \n\t" + "maddu $ac0, %[temp8], %[temp7] \n\t" + "mult $ac1, %[temp3], %[temp4] \n\t" + "maddu $ac1, %[temp9], %[temp7] \n\t" + "mult $ac2, %[temp3], %[temp4] \n\t" + "maddu $ac2, %[temp10], %[temp7] \n\t" + "mult $ac3, %[temp3], %[temp4] \n\t" + "maddu $ac3, %[temp11], %[temp7] \n\t" + "mfhi %[temp8], $ac0 \n\t" + "mfhi %[temp9], $ac1 \n\t" + "mfhi %[temp10], $ac2 \n\t" + "mfhi %[temp11], $ac3 \n\t" + "sw %[temp0], -16(%[irow]) \n\t" + "sw %[temp1], -12(%[irow]) \n\t" + "sw %[temp2], -8(%[irow]) \n\t" + "sw %[temp5], -4(%[irow]) \n\t" + "sb %[temp8], -4(%[dst]) \n\t" + "sb %[temp9], -3(%[dst]) \n\t" + "sb %[temp10], -2(%[dst]) \n\t" + "sb %[temp11], -1(%[dst]) \n\t" + "bne %[frow], %[loop_end], 1b \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp3]"=&r"(temp3), + [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [frow]"+r"(frow), + [irow]"+r"(irow), [dst]"+r"(dst), [loop_end]"=&r"(loop_end), + [temp8]"=&r"(temp8), [temp9]"=&r"(temp9), [temp10]"=&r"(temp10), + [temp11]"=&r"(temp11), [temp2]"=&r"(temp2) + : [temp7]"r"(temp7), [yscale]"r"(yscale), [temp6]"r"(temp6) + : "memory", "hi", "lo", "$ac1hi", "$ac1lo", + "$ac2hi", "$ac2lo", "$ac3hi", "$ac3lo" + ); + } + for (i = 0; i < (x_out_max & 0x3); ++i) { + const uint32_t frac = (uint32_t)MULT_FIX_FLOOR(*frow++, yscale); + const int v = (int)MULT_FIX(*irow - frac, wrk->fxy_scale); + *dst++ = (v > 255) ? 255u : (uint8_t)v; + *irow++ = frac; // new fractional start + } + } else { + if (x_out_max >= 4) { + __asm__ volatile ( + "li %[temp3], 0x10000 \n\t" + "li %[temp4], 0x8000 \n\t" + "addu %[loop_end], %[irow], %[temp6] \n\t" + "1: \n\t" + "lw %[temp0], 0(%[irow]) \n\t" + "lw %[temp1], 4(%[irow]) \n\t" + "lw %[temp2], 8(%[irow]) \n\t" + "lw %[temp5], 12(%[irow]) \n\t" + "addiu %[dst], %[dst], 4 \n\t" + "addiu %[irow], %[irow], 16 \n\t" + "mult $ac0, %[temp3], %[temp4] \n\t" + "maddu $ac0, %[temp0], %[temp7] \n\t" + "mult $ac1, %[temp3], %[temp4] \n\t" + "maddu $ac1, %[temp1], %[temp7] \n\t" + "mult $ac2, %[temp3], %[temp4] \n\t" + "maddu $ac2, %[temp2], %[temp7] \n\t" + "mult $ac3, %[temp3], %[temp4] \n\t" + "maddu $ac3, %[temp5], %[temp7] \n\t" + "mfhi %[temp0], $ac0 \n\t" + "mfhi %[temp1], $ac1 \n\t" + "mfhi %[temp2], $ac2 \n\t" + "mfhi %[temp5], $ac3 \n\t" + "sw $zero, -16(%[irow]) \n\t" + "sw $zero, -12(%[irow]) \n\t" + "sw $zero, -8(%[irow]) \n\t" + "sw $zero, -4(%[irow]) \n\t" + "sb %[temp0], -4(%[dst]) \n\t" + "sb %[temp1], -3(%[dst]) \n\t" + "sb %[temp2], -2(%[dst]) \n\t" + "sb %[temp5], -1(%[dst]) \n\t" + "bne %[irow], %[loop_end], 1b \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp3]"=&r"(temp3), + [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [irow]"+r"(irow), + [dst]"+r"(dst), [loop_end]"=&r"(loop_end), [temp2]"=&r"(temp2) + : [temp7]"r"(temp7), [temp6]"r"(temp6) + : "memory", "hi", "lo", "$ac1hi", "$ac1lo", + "$ac2hi", "$ac2lo", "$ac3hi", "$ac3lo" + ); + } + for (i = 0; i < (x_out_max & 0x3); ++i) { + const int v = (int)MULT_FIX_FLOOR(*irow, wrk->fxy_scale); + *dst++ = (v > 255) ? 255u : (uint8_t)v; + *irow++ = 0; + } + } +} +#endif // 0 + +static void ExportRowExpand_MIPSdspR2(WebPRescaler* const wrk) { + int i; + uint8_t* dst = wrk->dst; + rescaler_t* irow = wrk->irow; + const int x_out_max = wrk->dst_width * wrk->num_channels; + const rescaler_t* frow = wrk->frow; + int temp0, temp1, temp2, temp3, temp4, temp5, loop_end; + const int temp6 = (x_out_max & ~0x3) << 2; + const int temp7 = (int)wrk->fy_scale; + assert(!WebPRescalerOutputDone(wrk)); + assert(wrk->y_accum <= 0); + assert(wrk->y_expand); + assert(wrk->y_sub != 0); + if (wrk->y_accum == 0) { + if (x_out_max >= 4) { + __asm__ volatile ( + "li %[temp4], 0x10000 \n\t" + "li %[temp5], 0x8000 \n\t" + "addu %[loop_end], %[frow], %[temp6] \n\t" + "1: \n\t" + "lw %[temp0], 0(%[frow]) \n\t" + "lw %[temp1], 4(%[frow]) \n\t" + "lw %[temp2], 8(%[frow]) \n\t" + "lw %[temp3], 12(%[frow]) \n\t" + "addiu %[dst], %[dst], 4 \n\t" + "addiu %[frow], %[frow], 16 \n\t" + "mult $ac0, %[temp4], %[temp5] \n\t" + "maddu $ac0, %[temp0], %[temp7] \n\t" + "mult $ac1, %[temp4], %[temp5] \n\t" + "maddu $ac1, %[temp1], %[temp7] \n\t" + "mult $ac2, %[temp4], %[temp5] \n\t" + "maddu $ac2, %[temp2], %[temp7] \n\t" + "mult $ac3, %[temp4], %[temp5] \n\t" + "maddu $ac3, %[temp3], %[temp7] \n\t" + "mfhi %[temp0], $ac0 \n\t" + "mfhi %[temp1], $ac1 \n\t" + "mfhi %[temp2], $ac2 \n\t" + "mfhi %[temp3], $ac3 \n\t" + "sb %[temp0], -4(%[dst]) \n\t" + "sb %[temp1], -3(%[dst]) \n\t" + "sb %[temp2], -2(%[dst]) \n\t" + "sb %[temp3], -1(%[dst]) \n\t" + "bne %[frow], %[loop_end], 1b \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp3]"=&r"(temp3), + [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [frow]"+r"(frow), + [dst]"+r"(dst), [loop_end]"=&r"(loop_end), [temp2]"=&r"(temp2) + : [temp7]"r"(temp7), [temp6]"r"(temp6) + : "memory", "hi", "lo", "$ac1hi", "$ac1lo", + "$ac2hi", "$ac2lo", "$ac3hi", "$ac3lo" + ); + } + for (i = 0; i < (x_out_max & 0x3); ++i) { + const uint32_t J = *frow++; + const int v = (int)MULT_FIX(J, wrk->fy_scale); + *dst++ = (v > 255) ? 255u : (uint8_t)v; + } + } else { + const uint32_t B = WEBP_RESCALER_FRAC(-wrk->y_accum, wrk->y_sub); + const uint32_t A = (uint32_t)(WEBP_RESCALER_ONE - B); + if (x_out_max >= 4) { + int temp8, temp9, temp10, temp11; + __asm__ volatile ( + "li %[temp8], 0x10000 \n\t" + "li %[temp9], 0x8000 \n\t" + "addu %[loop_end], %[frow], %[temp6] \n\t" + "1: \n\t" + "lw %[temp0], 0(%[frow]) \n\t" + "lw %[temp1], 4(%[frow]) \n\t" + "lw %[temp2], 8(%[frow]) \n\t" + "lw %[temp3], 12(%[frow]) \n\t" + "lw %[temp4], 0(%[irow]) \n\t" + "lw %[temp5], 4(%[irow]) \n\t" + "lw %[temp10], 8(%[irow]) \n\t" + "lw %[temp11], 12(%[irow]) \n\t" + "addiu %[dst], %[dst], 4 \n\t" + "mult $ac0, %[temp8], %[temp9] \n\t" + "maddu $ac0, %[A], %[temp0] \n\t" + "maddu $ac0, %[B], %[temp4] \n\t" + "mult $ac1, %[temp8], %[temp9] \n\t" + "maddu $ac1, %[A], %[temp1] \n\t" + "maddu $ac1, %[B], %[temp5] \n\t" + "mult $ac2, %[temp8], %[temp9] \n\t" + "maddu $ac2, %[A], %[temp2] \n\t" + "maddu $ac2, %[B], %[temp10] \n\t" + "mult $ac3, %[temp8], %[temp9] \n\t" + "maddu $ac3, %[A], %[temp3] \n\t" + "maddu $ac3, %[B], %[temp11] \n\t" + "addiu %[frow], %[frow], 16 \n\t" + "addiu %[irow], %[irow], 16 \n\t" + "mfhi %[temp0], $ac0 \n\t" + "mfhi %[temp1], $ac1 \n\t" + "mfhi %[temp2], $ac2 \n\t" + "mfhi %[temp3], $ac3 \n\t" + "mult $ac0, %[temp8], %[temp9] \n\t" + "maddu $ac0, %[temp0], %[temp7] \n\t" + "mult $ac1, %[temp8], %[temp9] \n\t" + "maddu $ac1, %[temp1], %[temp7] \n\t" + "mult $ac2, %[temp8], %[temp9] \n\t" + "maddu $ac2, %[temp2], %[temp7] \n\t" + "mult $ac3, %[temp8], %[temp9] \n\t" + "maddu $ac3, %[temp3], %[temp7] \n\t" + "mfhi %[temp0], $ac0 \n\t" + "mfhi %[temp1], $ac1 \n\t" + "mfhi %[temp2], $ac2 \n\t" + "mfhi %[temp3], $ac3 \n\t" + "sb %[temp0], -4(%[dst]) \n\t" + "sb %[temp1], -3(%[dst]) \n\t" + "sb %[temp2], -2(%[dst]) \n\t" + "sb %[temp3], -1(%[dst]) \n\t" + "bne %[frow], %[loop_end], 1b \n\t" + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp3]"=&r"(temp3), + [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [frow]"+r"(frow), + [irow]"+r"(irow), [dst]"+r"(dst), [loop_end]"=&r"(loop_end), + [temp8]"=&r"(temp8), [temp9]"=&r"(temp9), [temp10]"=&r"(temp10), + [temp11]"=&r"(temp11), [temp2]"=&r"(temp2) + : [temp7]"r"(temp7), [temp6]"r"(temp6), [A]"r"(A), [B]"r"(B) + : "memory", "hi", "lo", "$ac1hi", "$ac1lo", + "$ac2hi", "$ac2lo", "$ac3hi", "$ac3lo" + ); + } + for (i = 0; i < (x_out_max & 0x3); ++i) { + const uint64_t I = (uint64_t)A * *frow++ + + (uint64_t)B * *irow++; + const uint32_t J = (uint32_t)((I + ROUNDER) >> WEBP_RESCALER_RFIX); + const int v = (int)MULT_FIX(J, wrk->fy_scale); + *dst++ = (v > 255) ? 255u : (uint8_t)v; + } + } +} + +#undef MULT_FIX_FLOOR +#undef MULT_FIX +#undef ROUNDER + +//------------------------------------------------------------------------------ +// Entry point + +extern void WebPRescalerDspInitMIPSdspR2(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInitMIPSdspR2(void) { + WebPRescalerExportRowExpand = ExportRowExpand_MIPSdspR2; +// WebPRescalerExportRowShrink = ExportRowShrink_MIPSdspR2; +} + +#else // !WEBP_USE_MIPS_DSP_R2 + +WEBP_DSP_INIT_STUB(WebPRescalerDspInitMIPSdspR2) + +#endif // WEBP_USE_MIPS_DSP_R2 diff --git a/ProductApp/Pods/libwebp/src/dsp/rescaler_msa.c b/ProductApp/Pods/libwebp/src/dsp/rescaler_msa.c new file mode 100644 index 0000000..256dbdd --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/rescaler_msa.c @@ -0,0 +1,443 @@ +// Copyright 2016 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// MSA version of rescaling functions +// +// Author: Prashant Patil (prashant.patil@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MSA) && !defined(WEBP_REDUCE_SIZE) + +#include + +#include "src/utils/rescaler_utils.h" +#include "src/dsp/msa_macro.h" + +#define ROUNDER (WEBP_RESCALER_ONE >> 1) +#define MULT_FIX(x, y) (((uint64_t)(x) * (y) + ROUNDER) >> WEBP_RESCALER_RFIX) +#define MULT_FIX_FLOOR(x, y) (((uint64_t)(x) * (y)) >> WEBP_RESCALER_RFIX) + +#define CALC_MULT_FIX_16(in0, in1, in2, in3, scale, shift, dst) do { \ + v4u32 tmp0, tmp1, tmp2, tmp3; \ + v16u8 t0, t1, t2, t3, t4, t5; \ + v2u64 out0, out1, out2, out3; \ + ILVRL_W2_UW(zero, in0, tmp0, tmp1); \ + ILVRL_W2_UW(zero, in1, tmp2, tmp3); \ + DOTP_UW2_UD(tmp0, tmp1, scale, scale, out0, out1); \ + DOTP_UW2_UD(tmp2, tmp3, scale, scale, out2, out3); \ + SRAR_D4_UD(out0, out1, out2, out3, shift); \ + PCKEV_B2_UB(out1, out0, out3, out2, t0, t1); \ + ILVRL_W2_UW(zero, in2, tmp0, tmp1); \ + ILVRL_W2_UW(zero, in3, tmp2, tmp3); \ + DOTP_UW2_UD(tmp0, tmp1, scale, scale, out0, out1); \ + DOTP_UW2_UD(tmp2, tmp3, scale, scale, out2, out3); \ + SRAR_D4_UD(out0, out1, out2, out3, shift); \ + PCKEV_B2_UB(out1, out0, out3, out2, t2, t3); \ + PCKEV_B2_UB(t1, t0, t3, t2, t4, t5); \ + dst = (v16u8)__msa_pckev_b((v16i8)t5, (v16i8)t4); \ +} while (0) + +#define CALC_MULT_FIX_4(in0, scale, shift, dst) do { \ + v4u32 tmp0, tmp1; \ + v16i8 t0, t1; \ + v2u64 out0, out1; \ + ILVRL_W2_UW(zero, in0, tmp0, tmp1); \ + DOTP_UW2_UD(tmp0, tmp1, scale, scale, out0, out1); \ + SRAR_D2_UD(out0, out1, shift); \ + t0 = __msa_pckev_b((v16i8)out1, (v16i8)out0); \ + t1 = __msa_pckev_b(t0, t0); \ + t0 = __msa_pckev_b(t1, t1); \ + dst = __msa_copy_s_w((v4i32)t0, 0); \ +} while (0) + +#define CALC_MULT_FIX1_16(in0, in1, in2, in3, fyscale, shift, \ + dst0, dst1, dst2, dst3) do { \ + v4u32 tmp0, tmp1, tmp2, tmp3; \ + v2u64 out0, out1, out2, out3; \ + ILVRL_W2_UW(zero, in0, tmp0, tmp1); \ + ILVRL_W2_UW(zero, in1, tmp2, tmp3); \ + DOTP_UW2_UD(tmp0, tmp1, fyscale, fyscale, out0, out1); \ + DOTP_UW2_UD(tmp2, tmp3, fyscale, fyscale, out2, out3); \ + SRAR_D4_UD(out0, out1, out2, out3, shift); \ + PCKEV_W2_UW(out1, out0, out3, out2, dst0, dst1); \ + ILVRL_W2_UW(zero, in2, tmp0, tmp1); \ + ILVRL_W2_UW(zero, in3, tmp2, tmp3); \ + DOTP_UW2_UD(tmp0, tmp1, fyscale, fyscale, out0, out1); \ + DOTP_UW2_UD(tmp2, tmp3, fyscale, fyscale, out2, out3); \ + SRAR_D4_UD(out0, out1, out2, out3, shift); \ + PCKEV_W2_UW(out1, out0, out3, out2, dst2, dst3); \ +} while (0) + +#define CALC_MULT_FIX1_4(in0, scale, shift, dst) do { \ + v4u32 tmp0, tmp1; \ + v2u64 out0, out1; \ + ILVRL_W2_UW(zero, in0, tmp0, tmp1); \ + DOTP_UW2_UD(tmp0, tmp1, scale, scale, out0, out1); \ + SRAR_D2_UD(out0, out1, shift); \ + dst = (v4u32)__msa_pckev_w((v4i32)out1, (v4i32)out0); \ +} while (0) + +#define CALC_MULT_FIX2_16(in0, in1, in2, in3, mult, scale, shift, \ + dst0, dst1) do { \ + v4u32 tmp0, tmp1, tmp2, tmp3; \ + v2u64 out0, out1, out2, out3; \ + ILVRL_W2_UW(in0, in2, tmp0, tmp1); \ + ILVRL_W2_UW(in1, in3, tmp2, tmp3); \ + DOTP_UW2_UD(tmp0, tmp1, mult, mult, out0, out1); \ + DOTP_UW2_UD(tmp2, tmp3, mult, mult, out2, out3); \ + SRAR_D4_UD(out0, out1, out2, out3, shift); \ + DOTP_UW2_UD(out0, out1, scale, scale, out0, out1); \ + DOTP_UW2_UD(out2, out3, scale, scale, out2, out3); \ + SRAR_D4_UD(out0, out1, out2, out3, shift); \ + PCKEV_B2_UB(out1, out0, out3, out2, dst0, dst1); \ +} while (0) + +#define CALC_MULT_FIX2_4(in0, in1, mult, scale, shift, dst) do { \ + v4u32 tmp0, tmp1; \ + v2u64 out0, out1; \ + v16i8 t0, t1; \ + ILVRL_W2_UW(in0, in1, tmp0, tmp1); \ + DOTP_UW2_UD(tmp0, tmp1, mult, mult, out0, out1); \ + SRAR_D2_UD(out0, out1, shift); \ + DOTP_UW2_UD(out0, out1, scale, scale, out0, out1); \ + SRAR_D2_UD(out0, out1, shift); \ + t0 = __msa_pckev_b((v16i8)out1, (v16i8)out0); \ + t1 = __msa_pckev_b(t0, t0); \ + t0 = __msa_pckev_b(t1, t1); \ + dst = __msa_copy_s_w((v4i32)t0, 0); \ +} while (0) + +static WEBP_INLINE void ExportRowExpand_0(const uint32_t* frow, uint8_t* dst, + int length, + WebPRescaler* const wrk) { + const v4u32 scale = (v4u32)__msa_fill_w(wrk->fy_scale); + const v4u32 shift = (v4u32)__msa_fill_w(WEBP_RESCALER_RFIX); + const v4i32 zero = { 0 }; + + while (length >= 16) { + v4u32 src0, src1, src2, src3; + v16u8 out; + LD_UW4(frow, 4, src0, src1, src2, src3); + CALC_MULT_FIX_16(src0, src1, src2, src3, scale, shift, out); + ST_UB(out, dst); + length -= 16; + frow += 16; + dst += 16; + } + if (length > 0) { + int x_out; + if (length >= 12) { + uint32_t val0_m, val1_m, val2_m; + v4u32 src0, src1, src2; + LD_UW3(frow, 4, src0, src1, src2); + CALC_MULT_FIX_4(src0, scale, shift, val0_m); + CALC_MULT_FIX_4(src1, scale, shift, val1_m); + CALC_MULT_FIX_4(src2, scale, shift, val2_m); + SW3(val0_m, val1_m, val2_m, dst, 4); + length -= 12; + frow += 12; + dst += 12; + } else if (length >= 8) { + uint32_t val0_m, val1_m; + v4u32 src0, src1; + LD_UW2(frow, 4, src0, src1); + CALC_MULT_FIX_4(src0, scale, shift, val0_m); + CALC_MULT_FIX_4(src1, scale, shift, val1_m); + SW2(val0_m, val1_m, dst, 4); + length -= 8; + frow += 8; + dst += 8; + } else if (length >= 4) { + uint32_t val0_m; + const v4u32 src0 = LD_UW(frow); + CALC_MULT_FIX_4(src0, scale, shift, val0_m); + SW(val0_m, dst); + length -= 4; + frow += 4; + dst += 4; + } + for (x_out = 0; x_out < length; ++x_out) { + const uint32_t J = frow[x_out]; + const int v = (int)MULT_FIX(J, wrk->fy_scale); + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; + } + } +} + +static WEBP_INLINE void ExportRowExpand_1(const uint32_t* frow, uint32_t* irow, + uint8_t* dst, int length, + WebPRescaler* const wrk) { + const uint32_t B = WEBP_RESCALER_FRAC(-wrk->y_accum, wrk->y_sub); + const uint32_t A = (uint32_t)(WEBP_RESCALER_ONE - B); + const v4i32 B1 = __msa_fill_w(B); + const v4i32 A1 = __msa_fill_w(A); + const v4i32 AB = __msa_ilvr_w(A1, B1); + const v4u32 scale = (v4u32)__msa_fill_w(wrk->fy_scale); + const v4u32 shift = (v4u32)__msa_fill_w(WEBP_RESCALER_RFIX); + + while (length >= 16) { + v4u32 frow0, frow1, frow2, frow3, irow0, irow1, irow2, irow3; + v16u8 t0, t1, t2, t3, t4, t5; + LD_UW4(frow, 4, frow0, frow1, frow2, frow3); + LD_UW4(irow, 4, irow0, irow1, irow2, irow3); + CALC_MULT_FIX2_16(frow0, frow1, irow0, irow1, AB, scale, shift, t0, t1); + CALC_MULT_FIX2_16(frow2, frow3, irow2, irow3, AB, scale, shift, t2, t3); + PCKEV_B2_UB(t1, t0, t3, t2, t4, t5); + t0 = (v16u8)__msa_pckev_b((v16i8)t5, (v16i8)t4); + ST_UB(t0, dst); + frow += 16; + irow += 16; + dst += 16; + length -= 16; + } + if (length > 0) { + int x_out; + if (length >= 12) { + uint32_t val0_m, val1_m, val2_m; + v4u32 frow0, frow1, frow2, irow0, irow1, irow2; + LD_UW3(frow, 4, frow0, frow1, frow2); + LD_UW3(irow, 4, irow0, irow1, irow2); + CALC_MULT_FIX2_4(frow0, irow0, AB, scale, shift, val0_m); + CALC_MULT_FIX2_4(frow1, irow1, AB, scale, shift, val1_m); + CALC_MULT_FIX2_4(frow2, irow2, AB, scale, shift, val2_m); + SW3(val0_m, val1_m, val2_m, dst, 4); + frow += 12; + irow += 12; + dst += 12; + length -= 12; + } else if (length >= 8) { + uint32_t val0_m, val1_m; + v4u32 frow0, frow1, irow0, irow1; + LD_UW2(frow, 4, frow0, frow1); + LD_UW2(irow, 4, irow0, irow1); + CALC_MULT_FIX2_4(frow0, irow0, AB, scale, shift, val0_m); + CALC_MULT_FIX2_4(frow1, irow1, AB, scale, shift, val1_m); + SW2(val0_m, val1_m, dst, 4); + frow += 4; + irow += 4; + dst += 4; + length -= 4; + } else if (length >= 4) { + uint32_t val0_m; + const v4u32 frow0 = LD_UW(frow + 0); + const v4u32 irow0 = LD_UW(irow + 0); + CALC_MULT_FIX2_4(frow0, irow0, AB, scale, shift, val0_m); + SW(val0_m, dst); + frow += 4; + irow += 4; + dst += 4; + length -= 4; + } + for (x_out = 0; x_out < length; ++x_out) { + const uint64_t I = (uint64_t)A * frow[x_out] + + (uint64_t)B * irow[x_out]; + const uint32_t J = (uint32_t)((I + ROUNDER) >> WEBP_RESCALER_RFIX); + const int v = (int)MULT_FIX(J, wrk->fy_scale); + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; + } + } +} + +static void RescalerExportRowExpand_MIPSdspR2(WebPRescaler* const wrk) { + uint8_t* dst = wrk->dst; + rescaler_t* irow = wrk->irow; + const int x_out_max = wrk->dst_width * wrk->num_channels; + const rescaler_t* frow = wrk->frow; + assert(!WebPRescalerOutputDone(wrk)); + assert(wrk->y_accum <= 0); + assert(wrk->y_expand); + assert(wrk->y_sub != 0); + if (wrk->y_accum == 0) { + ExportRowExpand_0(frow, dst, x_out_max, wrk); + } else { + ExportRowExpand_1(frow, irow, dst, x_out_max, wrk); + } +} + +#if 0 // disabled for now. TODO(skal): make match the C-code +static WEBP_INLINE void ExportRowShrink_0(const uint32_t* frow, uint32_t* irow, + uint8_t* dst, int length, + const uint32_t yscale, + WebPRescaler* const wrk) { + const v4u32 y_scale = (v4u32)__msa_fill_w(yscale); + const v4u32 fxyscale = (v4u32)__msa_fill_w(wrk->fxy_scale); + const v4u32 shiftval = (v4u32)__msa_fill_w(WEBP_RESCALER_RFIX); + const v4i32 zero = { 0 }; + + while (length >= 16) { + v4u32 src0, src1, src2, src3, frac0, frac1, frac2, frac3; + v16u8 out; + LD_UW4(frow, 4, src0, src1, src2, src3); + CALC_MULT_FIX1_16(src0, src1, src2, src3, y_scale, shiftval, + frac0, frac1, frac2, frac3); + LD_UW4(irow, 4, src0, src1, src2, src3); + SUB4(src0, frac0, src1, frac1, src2, frac2, src3, frac3, + src0, src1, src2, src3); + CALC_MULT_FIX_16(src0, src1, src2, src3, fxyscale, shiftval, out); + ST_UB(out, dst); + ST_UW4(frac0, frac1, frac2, frac3, irow, 4); + frow += 16; + irow += 16; + dst += 16; + length -= 16; + } + if (length > 0) { + int x_out; + if (length >= 12) { + uint32_t val0_m, val1_m, val2_m; + v4u32 src0, src1, src2, frac0, frac1, frac2; + LD_UW3(frow, 4, src0, src1, src2); + CALC_MULT_FIX1_4(src0, y_scale, shiftval, frac0); + CALC_MULT_FIX1_4(src1, y_scale, shiftval, frac1); + CALC_MULT_FIX1_4(src2, y_scale, shiftval, frac2); + LD_UW3(irow, 4, src0, src1, src2); + SUB3(src0, frac0, src1, frac1, src2, frac2, src0, src1, src2); + CALC_MULT_FIX_4(src0, fxyscale, shiftval, val0_m); + CALC_MULT_FIX_4(src1, fxyscale, shiftval, val1_m); + CALC_MULT_FIX_4(src2, fxyscale, shiftval, val2_m); + SW3(val0_m, val1_m, val2_m, dst, 4); + ST_UW3(frac0, frac1, frac2, irow, 4); + frow += 12; + irow += 12; + dst += 12; + length -= 12; + } else if (length >= 8) { + uint32_t val0_m, val1_m; + v4u32 src0, src1, frac0, frac1; + LD_UW2(frow, 4, src0, src1); + CALC_MULT_FIX1_4(src0, y_scale, shiftval, frac0); + CALC_MULT_FIX1_4(src1, y_scale, shiftval, frac1); + LD_UW2(irow, 4, src0, src1); + SUB2(src0, frac0, src1, frac1, src0, src1); + CALC_MULT_FIX_4(src0, fxyscale, shiftval, val0_m); + CALC_MULT_FIX_4(src1, fxyscale, shiftval, val1_m); + SW2(val0_m, val1_m, dst, 4); + ST_UW2(frac0, frac1, irow, 4); + frow += 8; + irow += 8; + dst += 8; + length -= 8; + } else if (length >= 4) { + uint32_t val0_m; + v4u32 frac0; + v4u32 src0 = LD_UW(frow); + CALC_MULT_FIX1_4(src0, y_scale, shiftval, frac0); + src0 = LD_UW(irow); + src0 = src0 - frac0; + CALC_MULT_FIX_4(src0, fxyscale, shiftval, val0_m); + SW(val0_m, dst); + ST_UW(frac0, irow); + frow += 4; + irow += 4; + dst += 4; + length -= 4; + } + for (x_out = 0; x_out < length; ++x_out) { + const uint32_t frac = (uint32_t)MULT_FIX_FLOOR(frow[x_out], yscale); + const int v = (int)MULT_FIX(irow[x_out] - frac, wrk->fxy_scale); + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; + irow[x_out] = frac; + } + } +} + +static WEBP_INLINE void ExportRowShrink_1(uint32_t* irow, uint8_t* dst, + int length, + WebPRescaler* const wrk) { + const v4u32 scale = (v4u32)__msa_fill_w(wrk->fxy_scale); + const v4u32 shift = (v4u32)__msa_fill_w(WEBP_RESCALER_RFIX); + const v4i32 zero = { 0 }; + + while (length >= 16) { + v4u32 src0, src1, src2, src3; + v16u8 dst0; + LD_UW4(irow, 4, src0, src1, src2, src3); + CALC_MULT_FIX_16(src0, src1, src2, src3, scale, shift, dst0); + ST_UB(dst0, dst); + ST_SW4(zero, zero, zero, zero, irow, 4); + length -= 16; + irow += 16; + dst += 16; + } + if (length > 0) { + int x_out; + if (length >= 12) { + uint32_t val0_m, val1_m, val2_m; + v4u32 src0, src1, src2; + LD_UW3(irow, 4, src0, src1, src2); + CALC_MULT_FIX_4(src0, scale, shift, val0_m); + CALC_MULT_FIX_4(src1, scale, shift, val1_m); + CALC_MULT_FIX_4(src2, scale, shift, val2_m); + SW3(val0_m, val1_m, val2_m, dst, 4); + ST_SW3(zero, zero, zero, irow, 4); + length -= 12; + irow += 12; + dst += 12; + } else if (length >= 8) { + uint32_t val0_m, val1_m; + v4u32 src0, src1; + LD_UW2(irow, 4, src0, src1); + CALC_MULT_FIX_4(src0, scale, shift, val0_m); + CALC_MULT_FIX_4(src1, scale, shift, val1_m); + SW2(val0_m, val1_m, dst, 4); + ST_SW2(zero, zero, irow, 4); + length -= 8; + irow += 8; + dst += 8; + } else if (length >= 4) { + uint32_t val0_m; + const v4u32 src0 = LD_UW(irow + 0); + CALC_MULT_FIX_4(src0, scale, shift, val0_m); + SW(val0_m, dst); + ST_SW(zero, irow); + length -= 4; + irow += 4; + dst += 4; + } + for (x_out = 0; x_out < length; ++x_out) { + const int v = (int)MULT_FIX(irow[x_out], wrk->fxy_scale); + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; + irow[x_out] = 0; + } + } +} + +static void RescalerExportRowShrink_MIPSdspR2(WebPRescaler* const wrk) { + uint8_t* dst = wrk->dst; + rescaler_t* irow = wrk->irow; + const int x_out_max = wrk->dst_width * wrk->num_channels; + const rescaler_t* frow = wrk->frow; + const uint32_t yscale = wrk->fy_scale * (-wrk->y_accum); + assert(!WebPRescalerOutputDone(wrk)); + assert(wrk->y_accum <= 0); + assert(!wrk->y_expand); + if (yscale) { + ExportRowShrink_0(frow, irow, dst, x_out_max, yscale, wrk); + } else { + ExportRowShrink_1(irow, dst, x_out_max, wrk); + } +} +#endif // 0 + +//------------------------------------------------------------------------------ +// Entry point + +extern void WebPRescalerDspInitMSA(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInitMSA(void) { + WebPRescalerExportRowExpand = RescalerExportRowExpand_MIPSdspR2; +// WebPRescalerExportRowShrink = RescalerExportRowShrink_MIPSdspR2; +} + +#else // !WEBP_USE_MSA + +WEBP_DSP_INIT_STUB(WebPRescalerDspInitMSA) + +#endif // WEBP_USE_MSA diff --git a/ProductApp/Pods/libwebp/src/dsp/rescaler_neon.c b/ProductApp/Pods/libwebp/src/dsp/rescaler_neon.c new file mode 100644 index 0000000..b976a85 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/rescaler_neon.c @@ -0,0 +1,192 @@ +// Copyright 2015 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// NEON version of rescaling functions +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_NEON) && !defined(WEBP_REDUCE_SIZE) + +#include +#include +#include "src/dsp/neon.h" +#include "src/utils/rescaler_utils.h" + +#define ROUNDER (WEBP_RESCALER_ONE >> 1) +#define MULT_FIX_C(x, y) (((uint64_t)(x) * (y) + ROUNDER) >> WEBP_RESCALER_RFIX) +#define MULT_FIX_FLOOR_C(x, y) (((uint64_t)(x) * (y)) >> WEBP_RESCALER_RFIX) + +#define LOAD_32x4(SRC, DST) const uint32x4_t DST = vld1q_u32((SRC)) +#define LOAD_32x8(SRC, DST0, DST1) \ + LOAD_32x4(SRC + 0, DST0); \ + LOAD_32x4(SRC + 4, DST1) + +#define STORE_32x8(SRC0, SRC1, DST) do { \ + vst1q_u32((DST) + 0, SRC0); \ + vst1q_u32((DST) + 4, SRC1); \ +} while (0); + +#if (WEBP_RESCALER_RFIX == 32) +#define MAKE_HALF_CST(C) vdupq_n_s32((int32_t)((C) >> 1)) +// note: B is actualy scale>>1. See MAKE_HALF_CST +#define MULT_FIX(A, B) \ + vreinterpretq_u32_s32(vqrdmulhq_s32(vreinterpretq_s32_u32((A)), (B))) +#define MULT_FIX_FLOOR(A, B) \ + vreinterpretq_u32_s32(vqdmulhq_s32(vreinterpretq_s32_u32((A)), (B))) +#else +#error "MULT_FIX/WEBP_RESCALER_RFIX need some more work" +#endif + +static uint32x4_t Interpolate_NEON(const rescaler_t* const frow, + const rescaler_t* const irow, + uint32_t A, uint32_t B) { + LOAD_32x4(frow, A0); + LOAD_32x4(irow, B0); + const uint64x2_t C0 = vmull_n_u32(vget_low_u32(A0), A); + const uint64x2_t C1 = vmull_n_u32(vget_high_u32(A0), A); + const uint64x2_t D0 = vmlal_n_u32(C0, vget_low_u32(B0), B); + const uint64x2_t D1 = vmlal_n_u32(C1, vget_high_u32(B0), B); + const uint32x4_t E = vcombine_u32( + vrshrn_n_u64(D0, WEBP_RESCALER_RFIX), + vrshrn_n_u64(D1, WEBP_RESCALER_RFIX)); + return E; +} + +static void RescalerExportRowExpand_NEON(WebPRescaler* const wrk) { + int x_out; + uint8_t* const dst = wrk->dst; + rescaler_t* const irow = wrk->irow; + const int x_out_max = wrk->dst_width * wrk->num_channels; + const int max_span = x_out_max & ~7; + const rescaler_t* const frow = wrk->frow; + const uint32_t fy_scale = wrk->fy_scale; + const int32x4_t fy_scale_half = MAKE_HALF_CST(fy_scale); + assert(!WebPRescalerOutputDone(wrk)); + assert(wrk->y_accum <= 0); + assert(wrk->y_expand); + assert(wrk->y_sub != 0); + if (wrk->y_accum == 0) { + for (x_out = 0; x_out < max_span; x_out += 8) { + LOAD_32x4(frow + x_out + 0, A0); + LOAD_32x4(frow + x_out + 4, A1); + const uint32x4_t B0 = MULT_FIX(A0, fy_scale_half); + const uint32x4_t B1 = MULT_FIX(A1, fy_scale_half); + const uint16x4_t C0 = vmovn_u32(B0); + const uint16x4_t C1 = vmovn_u32(B1); + const uint8x8_t D = vqmovn_u16(vcombine_u16(C0, C1)); + vst1_u8(dst + x_out, D); + } + for (; x_out < x_out_max; ++x_out) { + const uint32_t J = frow[x_out]; + const int v = (int)MULT_FIX_C(J, fy_scale); + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; + } + } else { + const uint32_t B = WEBP_RESCALER_FRAC(-wrk->y_accum, wrk->y_sub); + const uint32_t A = (uint32_t)(WEBP_RESCALER_ONE - B); + for (x_out = 0; x_out < max_span; x_out += 8) { + const uint32x4_t C0 = + Interpolate_NEON(frow + x_out + 0, irow + x_out + 0, A, B); + const uint32x4_t C1 = + Interpolate_NEON(frow + x_out + 4, irow + x_out + 4, A, B); + const uint32x4_t D0 = MULT_FIX(C0, fy_scale_half); + const uint32x4_t D1 = MULT_FIX(C1, fy_scale_half); + const uint16x4_t E0 = vmovn_u32(D0); + const uint16x4_t E1 = vmovn_u32(D1); + const uint8x8_t F = vqmovn_u16(vcombine_u16(E0, E1)); + vst1_u8(dst + x_out, F); + } + for (; x_out < x_out_max; ++x_out) { + const uint64_t I = (uint64_t)A * frow[x_out] + + (uint64_t)B * irow[x_out]; + const uint32_t J = (uint32_t)((I + ROUNDER) >> WEBP_RESCALER_RFIX); + const int v = (int)MULT_FIX_C(J, fy_scale); + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; + } + } +} + +static void RescalerExportRowShrink_NEON(WebPRescaler* const wrk) { + int x_out; + uint8_t* const dst = wrk->dst; + rescaler_t* const irow = wrk->irow; + const int x_out_max = wrk->dst_width * wrk->num_channels; + const int max_span = x_out_max & ~7; + const rescaler_t* const frow = wrk->frow; + const uint32_t yscale = wrk->fy_scale * (-wrk->y_accum); + const uint32_t fxy_scale = wrk->fxy_scale; + const uint32x4_t zero = vdupq_n_u32(0); + const int32x4_t yscale_half = MAKE_HALF_CST(yscale); + const int32x4_t fxy_scale_half = MAKE_HALF_CST(fxy_scale); + assert(!WebPRescalerOutputDone(wrk)); + assert(wrk->y_accum <= 0); + assert(!wrk->y_expand); + if (yscale) { + for (x_out = 0; x_out < max_span; x_out += 8) { + LOAD_32x8(frow + x_out, in0, in1); + LOAD_32x8(irow + x_out, in2, in3); + const uint32x4_t A0 = MULT_FIX_FLOOR(in0, yscale_half); + const uint32x4_t A1 = MULT_FIX_FLOOR(in1, yscale_half); + const uint32x4_t B0 = vqsubq_u32(in2, A0); + const uint32x4_t B1 = vqsubq_u32(in3, A1); + const uint32x4_t C0 = MULT_FIX(B0, fxy_scale_half); + const uint32x4_t C1 = MULT_FIX(B1, fxy_scale_half); + const uint16x4_t D0 = vmovn_u32(C0); + const uint16x4_t D1 = vmovn_u32(C1); + const uint8x8_t E = vqmovn_u16(vcombine_u16(D0, D1)); + vst1_u8(dst + x_out, E); + STORE_32x8(A0, A1, irow + x_out); + } + for (; x_out < x_out_max; ++x_out) { + const uint32_t frac = (uint32_t)MULT_FIX_FLOOR_C(frow[x_out], yscale); + const int v = (int)MULT_FIX_C(irow[x_out] - frac, fxy_scale); + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; + irow[x_out] = frac; // new fractional start + } + } else { + for (x_out = 0; x_out < max_span; x_out += 8) { + LOAD_32x8(irow + x_out, in0, in1); + const uint32x4_t A0 = MULT_FIX(in0, fxy_scale_half); + const uint32x4_t A1 = MULT_FIX(in1, fxy_scale_half); + const uint16x4_t B0 = vmovn_u32(A0); + const uint16x4_t B1 = vmovn_u32(A1); + const uint8x8_t C = vqmovn_u16(vcombine_u16(B0, B1)); + vst1_u8(dst + x_out, C); + STORE_32x8(zero, zero, irow + x_out); + } + for (; x_out < x_out_max; ++x_out) { + const int v = (int)MULT_FIX_C(irow[x_out], fxy_scale); + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; + irow[x_out] = 0; + } + } +} + +#undef MULT_FIX_FLOOR_C +#undef MULT_FIX_C +#undef MULT_FIX_FLOOR +#undef MULT_FIX +#undef ROUNDER + +//------------------------------------------------------------------------------ + +extern void WebPRescalerDspInitNEON(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInitNEON(void) { + WebPRescalerExportRowExpand = RescalerExportRowExpand_NEON; + WebPRescalerExportRowShrink = RescalerExportRowShrink_NEON; +} + +#else // !WEBP_USE_NEON + +WEBP_DSP_INIT_STUB(WebPRescalerDspInitNEON) + +#endif // WEBP_USE_NEON diff --git a/ProductApp/Pods/libwebp/src/dsp/rescaler_sse2.c b/ProductApp/Pods/libwebp/src/dsp/rescaler_sse2.c new file mode 100644 index 0000000..3f18e94 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/rescaler_sse2.c @@ -0,0 +1,366 @@ +// Copyright 2015 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// SSE2 Rescaling functions +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_SSE2) && !defined(WEBP_REDUCE_SIZE) +#include + +#include +#include "src/utils/rescaler_utils.h" +#include "src/utils/utils.h" + +//------------------------------------------------------------------------------ +// Implementations of critical functions ImportRow / ExportRow + +#define ROUNDER (WEBP_RESCALER_ONE >> 1) +#define MULT_FIX(x, y) (((uint64_t)(x) * (y) + ROUNDER) >> WEBP_RESCALER_RFIX) +#define MULT_FIX_FLOOR(x, y) (((uint64_t)(x) * (y)) >> WEBP_RESCALER_RFIX) + +// input: 8 bytes ABCDEFGH -> output: A0E0B0F0C0G0D0H0 +static void LoadTwoPixels_SSE2(const uint8_t* const src, __m128i* out) { + const __m128i zero = _mm_setzero_si128(); + const __m128i A = _mm_loadl_epi64((const __m128i*)(src)); // ABCDEFGH + const __m128i B = _mm_unpacklo_epi8(A, zero); // A0B0C0D0E0F0G0H0 + const __m128i C = _mm_srli_si128(B, 8); // E0F0G0H0 + *out = _mm_unpacklo_epi16(B, C); +} + +// input: 8 bytes ABCDEFGH -> output: A0B0C0D0E0F0G0H0 +static void LoadEightPixels_SSE2(const uint8_t* const src, __m128i* out) { + const __m128i zero = _mm_setzero_si128(); + const __m128i A = _mm_loadl_epi64((const __m128i*)(src)); // ABCDEFGH + *out = _mm_unpacklo_epi8(A, zero); +} + +static void RescalerImportRowExpand_SSE2(WebPRescaler* const wrk, + const uint8_t* src) { + rescaler_t* frow = wrk->frow; + const rescaler_t* const frow_end = frow + wrk->dst_width * wrk->num_channels; + const int x_add = wrk->x_add; + int accum = x_add; + __m128i cur_pixels; + + // SSE2 implementation only works with 16b signed arithmetic at max. + if (wrk->src_width < 8 || accum >= (1 << 15)) { + WebPRescalerImportRowExpand_C(wrk, src); + return; + } + + assert(!WebPRescalerInputDone(wrk)); + assert(wrk->x_expand); + if (wrk->num_channels == 4) { + LoadTwoPixels_SSE2(src, &cur_pixels); + src += 4; + while (1) { + const __m128i mult = _mm_set1_epi32(((x_add - accum) << 16) | accum); + const __m128i out = _mm_madd_epi16(cur_pixels, mult); + _mm_storeu_si128((__m128i*)frow, out); + frow += 4; + if (frow >= frow_end) break; + accum -= wrk->x_sub; + if (accum < 0) { + LoadTwoPixels_SSE2(src, &cur_pixels); + src += 4; + accum += x_add; + } + } + } else { + int left; + const uint8_t* const src_limit = src + wrk->src_width - 8; + LoadEightPixels_SSE2(src, &cur_pixels); + src += 7; + left = 7; + while (1) { + const __m128i mult = _mm_cvtsi32_si128(((x_add - accum) << 16) | accum); + const __m128i out = _mm_madd_epi16(cur_pixels, mult); + assert(sizeof(*frow) == sizeof(uint32_t)); + WebPInt32ToMem((uint8_t*)frow, _mm_cvtsi128_si32(out)); + frow += 1; + if (frow >= frow_end) break; + accum -= wrk->x_sub; + if (accum < 0) { + if (--left) { + cur_pixels = _mm_srli_si128(cur_pixels, 2); + } else if (src <= src_limit) { + LoadEightPixels_SSE2(src, &cur_pixels); + src += 7; + left = 7; + } else { // tail + cur_pixels = _mm_srli_si128(cur_pixels, 2); + cur_pixels = _mm_insert_epi16(cur_pixels, src[1], 1); + src += 1; + left = 1; + } + accum += x_add; + } + } + } + assert(accum == 0); +} + +static void RescalerImportRowShrink_SSE2(WebPRescaler* const wrk, + const uint8_t* src) { + const int x_sub = wrk->x_sub; + int accum = 0; + const __m128i zero = _mm_setzero_si128(); + const __m128i mult0 = _mm_set1_epi16(x_sub); + const __m128i mult1 = _mm_set1_epi32(wrk->fx_scale); + const __m128i rounder = _mm_set_epi32(0, ROUNDER, 0, ROUNDER); + __m128i sum = zero; + rescaler_t* frow = wrk->frow; + const rescaler_t* const frow_end = wrk->frow + 4 * wrk->dst_width; + + if (wrk->num_channels != 4 || wrk->x_add > (x_sub << 7)) { + WebPRescalerImportRowShrink_C(wrk, src); + return; + } + assert(!WebPRescalerInputDone(wrk)); + assert(!wrk->x_expand); + + for (; frow < frow_end; frow += 4) { + __m128i base = zero; + accum += wrk->x_add; + while (accum > 0) { + const __m128i A = _mm_cvtsi32_si128(WebPMemToInt32(src)); + src += 4; + base = _mm_unpacklo_epi8(A, zero); + // To avoid overflow, we need: base * x_add / x_sub < 32768 + // => x_add < x_sub << 7. That's a 1/128 reduction ratio limit. + sum = _mm_add_epi16(sum, base); + accum -= x_sub; + } + { // Emit next horizontal pixel. + const __m128i mult = _mm_set1_epi16(-accum); + const __m128i frac0 = _mm_mullo_epi16(base, mult); // 16b x 16b -> 32b + const __m128i frac1 = _mm_mulhi_epu16(base, mult); + const __m128i frac = _mm_unpacklo_epi16(frac0, frac1); // frac is 32b + const __m128i A0 = _mm_mullo_epi16(sum, mult0); + const __m128i A1 = _mm_mulhi_epu16(sum, mult0); + const __m128i B0 = _mm_unpacklo_epi16(A0, A1); // sum * x_sub + const __m128i frow_out = _mm_sub_epi32(B0, frac); // sum * x_sub - frac + const __m128i D0 = _mm_srli_epi64(frac, 32); + const __m128i D1 = _mm_mul_epu32(frac, mult1); // 32b x 16b -> 64b + const __m128i D2 = _mm_mul_epu32(D0, mult1); + const __m128i E1 = _mm_add_epi64(D1, rounder); + const __m128i E2 = _mm_add_epi64(D2, rounder); + const __m128i F1 = _mm_shuffle_epi32(E1, 1 | (3 << 2)); + const __m128i F2 = _mm_shuffle_epi32(E2, 1 | (3 << 2)); + const __m128i G = _mm_unpacklo_epi32(F1, F2); + sum = _mm_packs_epi32(G, zero); + _mm_storeu_si128((__m128i*)frow, frow_out); + } + } + assert(accum == 0); +} + +//------------------------------------------------------------------------------ +// Row export + +// load *src as epi64, multiply by mult and store result in [out0 ... out3] +static WEBP_INLINE void LoadDispatchAndMult_SSE2(const rescaler_t* const src, + const __m128i* const mult, + __m128i* const out0, + __m128i* const out1, + __m128i* const out2, + __m128i* const out3) { + const __m128i A0 = _mm_loadu_si128((const __m128i*)(src + 0)); + const __m128i A1 = _mm_loadu_si128((const __m128i*)(src + 4)); + const __m128i A2 = _mm_srli_epi64(A0, 32); + const __m128i A3 = _mm_srli_epi64(A1, 32); + if (mult != NULL) { + *out0 = _mm_mul_epu32(A0, *mult); + *out1 = _mm_mul_epu32(A1, *mult); + *out2 = _mm_mul_epu32(A2, *mult); + *out3 = _mm_mul_epu32(A3, *mult); + } else { + *out0 = A0; + *out1 = A1; + *out2 = A2; + *out3 = A3; + } +} + +static WEBP_INLINE void ProcessRow_SSE2(const __m128i* const A0, + const __m128i* const A1, + const __m128i* const A2, + const __m128i* const A3, + const __m128i* const mult, + uint8_t* const dst) { + const __m128i rounder = _mm_set_epi32(0, ROUNDER, 0, ROUNDER); + const __m128i mask = _mm_set_epi32(~0, 0, ~0, 0); + const __m128i B0 = _mm_mul_epu32(*A0, *mult); + const __m128i B1 = _mm_mul_epu32(*A1, *mult); + const __m128i B2 = _mm_mul_epu32(*A2, *mult); + const __m128i B3 = _mm_mul_epu32(*A3, *mult); + const __m128i C0 = _mm_add_epi64(B0, rounder); + const __m128i C1 = _mm_add_epi64(B1, rounder); + const __m128i C2 = _mm_add_epi64(B2, rounder); + const __m128i C3 = _mm_add_epi64(B3, rounder); + const __m128i D0 = _mm_srli_epi64(C0, WEBP_RESCALER_RFIX); + const __m128i D1 = _mm_srli_epi64(C1, WEBP_RESCALER_RFIX); +#if (WEBP_RESCALER_RFIX < 32) + const __m128i D2 = + _mm_and_si128(_mm_slli_epi64(C2, 32 - WEBP_RESCALER_RFIX), mask); + const __m128i D3 = + _mm_and_si128(_mm_slli_epi64(C3, 32 - WEBP_RESCALER_RFIX), mask); +#else + const __m128i D2 = _mm_and_si128(C2, mask); + const __m128i D3 = _mm_and_si128(C3, mask); +#endif + const __m128i E0 = _mm_or_si128(D0, D2); + const __m128i E1 = _mm_or_si128(D1, D3); + const __m128i F = _mm_packs_epi32(E0, E1); + const __m128i G = _mm_packus_epi16(F, F); + _mm_storel_epi64((__m128i*)dst, G); +} + +static void RescalerExportRowExpand_SSE2(WebPRescaler* const wrk) { + int x_out; + uint8_t* const dst = wrk->dst; + rescaler_t* const irow = wrk->irow; + const int x_out_max = wrk->dst_width * wrk->num_channels; + const rescaler_t* const frow = wrk->frow; + const __m128i mult = _mm_set_epi32(0, wrk->fy_scale, 0, wrk->fy_scale); + + assert(!WebPRescalerOutputDone(wrk)); + assert(wrk->y_accum <= 0 && wrk->y_sub + wrk->y_accum >= 0); + assert(wrk->y_expand); + if (wrk->y_accum == 0) { + for (x_out = 0; x_out + 8 <= x_out_max; x_out += 8) { + __m128i A0, A1, A2, A3; + LoadDispatchAndMult_SSE2(frow + x_out, NULL, &A0, &A1, &A2, &A3); + ProcessRow_SSE2(&A0, &A1, &A2, &A3, &mult, dst + x_out); + } + for (; x_out < x_out_max; ++x_out) { + const uint32_t J = frow[x_out]; + const int v = (int)MULT_FIX(J, wrk->fy_scale); + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; + } + } else { + const uint32_t B = WEBP_RESCALER_FRAC(-wrk->y_accum, wrk->y_sub); + const uint32_t A = (uint32_t)(WEBP_RESCALER_ONE - B); + const __m128i mA = _mm_set_epi32(0, A, 0, A); + const __m128i mB = _mm_set_epi32(0, B, 0, B); + const __m128i rounder = _mm_set_epi32(0, ROUNDER, 0, ROUNDER); + for (x_out = 0; x_out + 8 <= x_out_max; x_out += 8) { + __m128i A0, A1, A2, A3, B0, B1, B2, B3; + LoadDispatchAndMult_SSE2(frow + x_out, &mA, &A0, &A1, &A2, &A3); + LoadDispatchAndMult_SSE2(irow + x_out, &mB, &B0, &B1, &B2, &B3); + { + const __m128i C0 = _mm_add_epi64(A0, B0); + const __m128i C1 = _mm_add_epi64(A1, B1); + const __m128i C2 = _mm_add_epi64(A2, B2); + const __m128i C3 = _mm_add_epi64(A3, B3); + const __m128i D0 = _mm_add_epi64(C0, rounder); + const __m128i D1 = _mm_add_epi64(C1, rounder); + const __m128i D2 = _mm_add_epi64(C2, rounder); + const __m128i D3 = _mm_add_epi64(C3, rounder); + const __m128i E0 = _mm_srli_epi64(D0, WEBP_RESCALER_RFIX); + const __m128i E1 = _mm_srli_epi64(D1, WEBP_RESCALER_RFIX); + const __m128i E2 = _mm_srli_epi64(D2, WEBP_RESCALER_RFIX); + const __m128i E3 = _mm_srli_epi64(D3, WEBP_RESCALER_RFIX); + ProcessRow_SSE2(&E0, &E1, &E2, &E3, &mult, dst + x_out); + } + } + for (; x_out < x_out_max; ++x_out) { + const uint64_t I = (uint64_t)A * frow[x_out] + + (uint64_t)B * irow[x_out]; + const uint32_t J = (uint32_t)((I + ROUNDER) >> WEBP_RESCALER_RFIX); + const int v = (int)MULT_FIX(J, wrk->fy_scale); + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; + } + } +} + +static void RescalerExportRowShrink_SSE2(WebPRescaler* const wrk) { + int x_out; + uint8_t* const dst = wrk->dst; + rescaler_t* const irow = wrk->irow; + const int x_out_max = wrk->dst_width * wrk->num_channels; + const rescaler_t* const frow = wrk->frow; + const uint32_t yscale = wrk->fy_scale * (-wrk->y_accum); + assert(!WebPRescalerOutputDone(wrk)); + assert(wrk->y_accum <= 0); + assert(!wrk->y_expand); + if (yscale) { + const int scale_xy = wrk->fxy_scale; + const __m128i mult_xy = _mm_set_epi32(0, scale_xy, 0, scale_xy); + const __m128i mult_y = _mm_set_epi32(0, yscale, 0, yscale); + for (x_out = 0; x_out + 8 <= x_out_max; x_out += 8) { + __m128i A0, A1, A2, A3, B0, B1, B2, B3; + LoadDispatchAndMult_SSE2(irow + x_out, NULL, &A0, &A1, &A2, &A3); + LoadDispatchAndMult_SSE2(frow + x_out, &mult_y, &B0, &B1, &B2, &B3); + { + const __m128i D0 = _mm_srli_epi64(B0, WEBP_RESCALER_RFIX); // = frac + const __m128i D1 = _mm_srli_epi64(B1, WEBP_RESCALER_RFIX); + const __m128i D2 = _mm_srli_epi64(B2, WEBP_RESCALER_RFIX); + const __m128i D3 = _mm_srli_epi64(B3, WEBP_RESCALER_RFIX); + const __m128i E0 = _mm_sub_epi64(A0, D0); // irow[x] - frac + const __m128i E1 = _mm_sub_epi64(A1, D1); + const __m128i E2 = _mm_sub_epi64(A2, D2); + const __m128i E3 = _mm_sub_epi64(A3, D3); + const __m128i F2 = _mm_slli_epi64(D2, 32); + const __m128i F3 = _mm_slli_epi64(D3, 32); + const __m128i G0 = _mm_or_si128(D0, F2); + const __m128i G1 = _mm_or_si128(D1, F3); + _mm_storeu_si128((__m128i*)(irow + x_out + 0), G0); + _mm_storeu_si128((__m128i*)(irow + x_out + 4), G1); + ProcessRow_SSE2(&E0, &E1, &E2, &E3, &mult_xy, dst + x_out); + } + } + for (; x_out < x_out_max; ++x_out) { + const uint32_t frac = (int)MULT_FIX_FLOOR(frow[x_out], yscale); + const int v = (int)MULT_FIX(irow[x_out] - frac, wrk->fxy_scale); + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; + irow[x_out] = frac; // new fractional start + } + } else { + const uint32_t scale = wrk->fxy_scale; + const __m128i mult = _mm_set_epi32(0, scale, 0, scale); + const __m128i zero = _mm_setzero_si128(); + for (x_out = 0; x_out + 8 <= x_out_max; x_out += 8) { + __m128i A0, A1, A2, A3; + LoadDispatchAndMult_SSE2(irow + x_out, NULL, &A0, &A1, &A2, &A3); + _mm_storeu_si128((__m128i*)(irow + x_out + 0), zero); + _mm_storeu_si128((__m128i*)(irow + x_out + 4), zero); + ProcessRow_SSE2(&A0, &A1, &A2, &A3, &mult, dst + x_out); + } + for (; x_out < x_out_max; ++x_out) { + const int v = (int)MULT_FIX(irow[x_out], scale); + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; + irow[x_out] = 0; + } + } +} + +#undef MULT_FIX_FLOOR +#undef MULT_FIX +#undef ROUNDER + +//------------------------------------------------------------------------------ + +extern void WebPRescalerDspInitSSE2(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInitSSE2(void) { + WebPRescalerImportRowExpand = RescalerImportRowExpand_SSE2; + WebPRescalerImportRowShrink = RescalerImportRowShrink_SSE2; + WebPRescalerExportRowExpand = RescalerExportRowExpand_SSE2; + WebPRescalerExportRowShrink = RescalerExportRowShrink_SSE2; +} + +#else // !WEBP_USE_SSE2 + +WEBP_DSP_INIT_STUB(WebPRescalerDspInitSSE2) + +#endif // WEBP_USE_SSE2 diff --git a/ProductApp/Pods/libwebp/src/dsp/ssim.c b/ProductApp/Pods/libwebp/src/dsp/ssim.c new file mode 100644 index 0000000..9a1341e --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/ssim.c @@ -0,0 +1,160 @@ +// Copyright 2017 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// distortion calculation +// +// Author: Skal (pascal.massimino@gmail.com) + +#include +#include // for abs() + +#include "src/dsp/dsp.h" + +#if !defined(WEBP_REDUCE_SIZE) + +//------------------------------------------------------------------------------ +// SSIM / PSNR + +// hat-shaped filter. Sum of coefficients is equal to 16. +static const uint32_t kWeight[2 * VP8_SSIM_KERNEL + 1] = { + 1, 2, 3, 4, 3, 2, 1 +}; +static const uint32_t kWeightSum = 16 * 16; // sum{kWeight}^2 + +static WEBP_INLINE double SSIMCalculation( + const VP8DistoStats* const stats, uint32_t N /*num samples*/) { + const uint32_t w2 = N * N; + const uint32_t C1 = 20 * w2; + const uint32_t C2 = 60 * w2; + const uint32_t C3 = 8 * 8 * w2; // 'dark' limit ~= 6 + const uint64_t xmxm = (uint64_t)stats->xm * stats->xm; + const uint64_t ymym = (uint64_t)stats->ym * stats->ym; + if (xmxm + ymym >= C3) { + const int64_t xmym = (int64_t)stats->xm * stats->ym; + const int64_t sxy = (int64_t)stats->xym * N - xmym; // can be negative + const uint64_t sxx = (uint64_t)stats->xxm * N - xmxm; + const uint64_t syy = (uint64_t)stats->yym * N - ymym; + // we descale by 8 to prevent overflow during the fnum/fden multiply. + const uint64_t num_S = (2 * (uint64_t)(sxy < 0 ? 0 : sxy) + C2) >> 8; + const uint64_t den_S = (sxx + syy + C2) >> 8; + const uint64_t fnum = (2 * xmym + C1) * num_S; + const uint64_t fden = (xmxm + ymym + C1) * den_S; + const double r = (double)fnum / fden; + assert(r >= 0. && r <= 1.0); + return r; + } + return 1.; // area is too dark to contribute meaningfully +} + +double VP8SSIMFromStats(const VP8DistoStats* const stats) { + return SSIMCalculation(stats, kWeightSum); +} + +double VP8SSIMFromStatsClipped(const VP8DistoStats* const stats) { + return SSIMCalculation(stats, stats->w); +} + +static double SSIMGetClipped_C(const uint8_t* src1, int stride1, + const uint8_t* src2, int stride2, + int xo, int yo, int W, int H) { + VP8DistoStats stats = { 0, 0, 0, 0, 0, 0 }; + const int ymin = (yo - VP8_SSIM_KERNEL < 0) ? 0 : yo - VP8_SSIM_KERNEL; + const int ymax = (yo + VP8_SSIM_KERNEL > H - 1) ? H - 1 + : yo + VP8_SSIM_KERNEL; + const int xmin = (xo - VP8_SSIM_KERNEL < 0) ? 0 : xo - VP8_SSIM_KERNEL; + const int xmax = (xo + VP8_SSIM_KERNEL > W - 1) ? W - 1 + : xo + VP8_SSIM_KERNEL; + int x, y; + src1 += ymin * stride1; + src2 += ymin * stride2; + for (y = ymin; y <= ymax; ++y, src1 += stride1, src2 += stride2) { + for (x = xmin; x <= xmax; ++x) { + const uint32_t w = kWeight[VP8_SSIM_KERNEL + x - xo] + * kWeight[VP8_SSIM_KERNEL + y - yo]; + const uint32_t s1 = src1[x]; + const uint32_t s2 = src2[x]; + stats.w += w; + stats.xm += w * s1; + stats.ym += w * s2; + stats.xxm += w * s1 * s1; + stats.xym += w * s1 * s2; + stats.yym += w * s2 * s2; + } + } + return VP8SSIMFromStatsClipped(&stats); +} + +static double SSIMGet_C(const uint8_t* src1, int stride1, + const uint8_t* src2, int stride2) { + VP8DistoStats stats = { 0, 0, 0, 0, 0, 0 }; + int x, y; + for (y = 0; y <= 2 * VP8_SSIM_KERNEL; ++y, src1 += stride1, src2 += stride2) { + for (x = 0; x <= 2 * VP8_SSIM_KERNEL; ++x) { + const uint32_t w = kWeight[x] * kWeight[y]; + const uint32_t s1 = src1[x]; + const uint32_t s2 = src2[x]; + stats.xm += w * s1; + stats.ym += w * s2; + stats.xxm += w * s1 * s1; + stats.xym += w * s1 * s2; + stats.yym += w * s2 * s2; + } + } + return VP8SSIMFromStats(&stats); +} + +#endif // !defined(WEBP_REDUCE_SIZE) + +//------------------------------------------------------------------------------ + +#if !defined(WEBP_DISABLE_STATS) +static uint32_t AccumulateSSE_C(const uint8_t* src1, + const uint8_t* src2, int len) { + int i; + uint32_t sse2 = 0; + assert(len <= 65535); // to ensure that accumulation fits within uint32_t + for (i = 0; i < len; ++i) { + const int32_t diff = src1[i] - src2[i]; + sse2 += diff * diff; + } + return sse2; +} +#endif + +//------------------------------------------------------------------------------ + +#if !defined(WEBP_REDUCE_SIZE) +VP8SSIMGetFunc VP8SSIMGet; +VP8SSIMGetClippedFunc VP8SSIMGetClipped; +#endif +#if !defined(WEBP_DISABLE_STATS) +VP8AccumulateSSEFunc VP8AccumulateSSE; +#endif + +extern VP8CPUInfo VP8GetCPUInfo; +extern void VP8SSIMDspInitSSE2(void); + +WEBP_DSP_INIT_FUNC(VP8SSIMDspInit) { +#if !defined(WEBP_REDUCE_SIZE) + VP8SSIMGetClipped = SSIMGetClipped_C; + VP8SSIMGet = SSIMGet_C; +#endif + +#if !defined(WEBP_DISABLE_STATS) + VP8AccumulateSSE = AccumulateSSE_C; +#endif + + if (VP8GetCPUInfo != NULL) { +#if defined(WEBP_HAVE_SSE2) + if (VP8GetCPUInfo(kSSE2)) { + VP8SSIMDspInitSSE2(); + } +#endif + } +} diff --git a/ProductApp/Pods/libwebp/src/dsp/ssim_sse2.c b/ProductApp/Pods/libwebp/src/dsp/ssim_sse2.c new file mode 100644 index 0000000..1dcb0eb --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/ssim_sse2.c @@ -0,0 +1,165 @@ +// Copyright 2017 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// SSE2 version of distortion calculation +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_SSE2) + +#include +#include + +#include "src/dsp/common_sse2.h" + +#if !defined(WEBP_DISABLE_STATS) + +// Helper function +static WEBP_INLINE void SubtractAndSquare_SSE2(const __m128i a, const __m128i b, + __m128i* const sum) { + // take abs(a-b) in 8b + const __m128i a_b = _mm_subs_epu8(a, b); + const __m128i b_a = _mm_subs_epu8(b, a); + const __m128i abs_a_b = _mm_or_si128(a_b, b_a); + // zero-extend to 16b + const __m128i zero = _mm_setzero_si128(); + const __m128i C0 = _mm_unpacklo_epi8(abs_a_b, zero); + const __m128i C1 = _mm_unpackhi_epi8(abs_a_b, zero); + // multiply with self + const __m128i sum1 = _mm_madd_epi16(C0, C0); + const __m128i sum2 = _mm_madd_epi16(C1, C1); + *sum = _mm_add_epi32(sum1, sum2); +} + +//------------------------------------------------------------------------------ +// SSIM / PSNR entry point + +static uint32_t AccumulateSSE_SSE2(const uint8_t* src1, + const uint8_t* src2, int len) { + int i = 0; + uint32_t sse2 = 0; + if (len >= 16) { + const int limit = len - 32; + int32_t tmp[4]; + __m128i sum1; + __m128i sum = _mm_setzero_si128(); + __m128i a0 = _mm_loadu_si128((const __m128i*)&src1[i]); + __m128i b0 = _mm_loadu_si128((const __m128i*)&src2[i]); + i += 16; + while (i <= limit) { + const __m128i a1 = _mm_loadu_si128((const __m128i*)&src1[i]); + const __m128i b1 = _mm_loadu_si128((const __m128i*)&src2[i]); + __m128i sum2; + i += 16; + SubtractAndSquare_SSE2(a0, b0, &sum1); + sum = _mm_add_epi32(sum, sum1); + a0 = _mm_loadu_si128((const __m128i*)&src1[i]); + b0 = _mm_loadu_si128((const __m128i*)&src2[i]); + i += 16; + SubtractAndSquare_SSE2(a1, b1, &sum2); + sum = _mm_add_epi32(sum, sum2); + } + SubtractAndSquare_SSE2(a0, b0, &sum1); + sum = _mm_add_epi32(sum, sum1); + _mm_storeu_si128((__m128i*)tmp, sum); + sse2 += (tmp[3] + tmp[2] + tmp[1] + tmp[0]); + } + + for (; i < len; ++i) { + const int32_t diff = src1[i] - src2[i]; + sse2 += diff * diff; + } + return sse2; +} +#endif // !defined(WEBP_DISABLE_STATS) + +#if !defined(WEBP_REDUCE_SIZE) + +static uint32_t HorizontalAdd16b_SSE2(const __m128i* const m) { + uint16_t tmp[8]; + const __m128i a = _mm_srli_si128(*m, 8); + const __m128i b = _mm_add_epi16(*m, a); + _mm_storeu_si128((__m128i*)tmp, b); + return (uint32_t)tmp[3] + tmp[2] + tmp[1] + tmp[0]; +} + +static uint32_t HorizontalAdd32b_SSE2(const __m128i* const m) { + const __m128i a = _mm_srli_si128(*m, 8); + const __m128i b = _mm_add_epi32(*m, a); + const __m128i c = _mm_add_epi32(b, _mm_srli_si128(b, 4)); + return (uint32_t)_mm_cvtsi128_si32(c); +} + +static const uint16_t kWeight[] = { 1, 2, 3, 4, 3, 2, 1, 0 }; + +#define ACCUMULATE_ROW(WEIGHT) do { \ + /* compute row weight (Wx * Wy) */ \ + const __m128i Wy = _mm_set1_epi16((WEIGHT)); \ + const __m128i W = _mm_mullo_epi16(Wx, Wy); \ + /* process 8 bytes at a time (7 bytes, actually) */ \ + const __m128i a0 = _mm_loadl_epi64((const __m128i*)src1); \ + const __m128i b0 = _mm_loadl_epi64((const __m128i*)src2); \ + /* convert to 16b and multiply by weight */ \ + const __m128i a1 = _mm_unpacklo_epi8(a0, zero); \ + const __m128i b1 = _mm_unpacklo_epi8(b0, zero); \ + const __m128i wa1 = _mm_mullo_epi16(a1, W); \ + const __m128i wb1 = _mm_mullo_epi16(b1, W); \ + /* accumulate */ \ + xm = _mm_add_epi16(xm, wa1); \ + ym = _mm_add_epi16(ym, wb1); \ + xxm = _mm_add_epi32(xxm, _mm_madd_epi16(a1, wa1)); \ + xym = _mm_add_epi32(xym, _mm_madd_epi16(a1, wb1)); \ + yym = _mm_add_epi32(yym, _mm_madd_epi16(b1, wb1)); \ + src1 += stride1; \ + src2 += stride2; \ +} while (0) + +static double SSIMGet_SSE2(const uint8_t* src1, int stride1, + const uint8_t* src2, int stride2) { + VP8DistoStats stats; + const __m128i zero = _mm_setzero_si128(); + __m128i xm = zero, ym = zero; // 16b accums + __m128i xxm = zero, yym = zero, xym = zero; // 32b accum + const __m128i Wx = _mm_loadu_si128((const __m128i*)kWeight); + assert(2 * VP8_SSIM_KERNEL + 1 == 7); + ACCUMULATE_ROW(1); + ACCUMULATE_ROW(2); + ACCUMULATE_ROW(3); + ACCUMULATE_ROW(4); + ACCUMULATE_ROW(3); + ACCUMULATE_ROW(2); + ACCUMULATE_ROW(1); + stats.xm = HorizontalAdd16b_SSE2(&xm); + stats.ym = HorizontalAdd16b_SSE2(&ym); + stats.xxm = HorizontalAdd32b_SSE2(&xxm); + stats.xym = HorizontalAdd32b_SSE2(&xym); + stats.yym = HorizontalAdd32b_SSE2(&yym); + return VP8SSIMFromStats(&stats); +} + +#endif // !defined(WEBP_REDUCE_SIZE) + +extern void VP8SSIMDspInitSSE2(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8SSIMDspInitSSE2(void) { +#if !defined(WEBP_DISABLE_STATS) + VP8AccumulateSSE = AccumulateSSE_SSE2; +#endif +#if !defined(WEBP_REDUCE_SIZE) + VP8SSIMGet = SSIMGet_SSE2; +#endif +} + +#else // !WEBP_USE_SSE2 + +WEBP_DSP_INIT_STUB(VP8SSIMDspInitSSE2) + +#endif // WEBP_USE_SSE2 diff --git a/ProductApp/Pods/libwebp/src/dsp/upsampling.c b/ProductApp/Pods/libwebp/src/dsp/upsampling.c new file mode 100644 index 0000000..983b9c4 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/upsampling.c @@ -0,0 +1,328 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// YUV to RGB upsampling functions. +// +// Author: somnath@google.com (Somnath Banerjee) + +#include "src/dsp/dsp.h" +#include "src/dsp/yuv.h" + +#include + +//------------------------------------------------------------------------------ +// Fancy upsampler + +#ifdef FANCY_UPSAMPLING + +// Fancy upsampling functions to convert YUV to RGB +WebPUpsampleLinePairFunc WebPUpsamplers[MODE_LAST]; + +// Given samples laid out in a square as: +// [a b] +// [c d] +// we interpolate u/v as: +// ([9*a + 3*b + 3*c + d 3*a + 9*b + 3*c + d] + [8 8]) / 16 +// ([3*a + b + 9*c + 3*d a + 3*b + 3*c + 9*d] [8 8]) / 16 + +// We process u and v together stashed into 32bit (16bit each). +#define LOAD_UV(u, v) ((u) | ((v) << 16)) + +#define UPSAMPLE_FUNC(FUNC_NAME, FUNC, XSTEP) \ +static void FUNC_NAME(const uint8_t* top_y, const uint8_t* bottom_y, \ + const uint8_t* top_u, const uint8_t* top_v, \ + const uint8_t* cur_u, const uint8_t* cur_v, \ + uint8_t* top_dst, uint8_t* bottom_dst, int len) { \ + int x; \ + const int last_pixel_pair = (len - 1) >> 1; \ + uint32_t tl_uv = LOAD_UV(top_u[0], top_v[0]); /* top-left sample */ \ + uint32_t l_uv = LOAD_UV(cur_u[0], cur_v[0]); /* left-sample */ \ + assert(top_y != NULL); \ + { \ + const uint32_t uv0 = (3 * tl_uv + l_uv + 0x00020002u) >> 2; \ + FUNC(top_y[0], uv0 & 0xff, (uv0 >> 16), top_dst); \ + } \ + if (bottom_y != NULL) { \ + const uint32_t uv0 = (3 * l_uv + tl_uv + 0x00020002u) >> 2; \ + FUNC(bottom_y[0], uv0 & 0xff, (uv0 >> 16), bottom_dst); \ + } \ + for (x = 1; x <= last_pixel_pair; ++x) { \ + const uint32_t t_uv = LOAD_UV(top_u[x], top_v[x]); /* top sample */ \ + const uint32_t uv = LOAD_UV(cur_u[x], cur_v[x]); /* sample */ \ + /* precompute invariant values associated with first and second diagonals*/\ + const uint32_t avg = tl_uv + t_uv + l_uv + uv + 0x00080008u; \ + const uint32_t diag_12 = (avg + 2 * (t_uv + l_uv)) >> 3; \ + const uint32_t diag_03 = (avg + 2 * (tl_uv + uv)) >> 3; \ + { \ + const uint32_t uv0 = (diag_12 + tl_uv) >> 1; \ + const uint32_t uv1 = (diag_03 + t_uv) >> 1; \ + FUNC(top_y[2 * x - 1], uv0 & 0xff, (uv0 >> 16), \ + top_dst + (2 * x - 1) * (XSTEP)); \ + FUNC(top_y[2 * x - 0], uv1 & 0xff, (uv1 >> 16), \ + top_dst + (2 * x - 0) * (XSTEP)); \ + } \ + if (bottom_y != NULL) { \ + const uint32_t uv0 = (diag_03 + l_uv) >> 1; \ + const uint32_t uv1 = (diag_12 + uv) >> 1; \ + FUNC(bottom_y[2 * x - 1], uv0 & 0xff, (uv0 >> 16), \ + bottom_dst + (2 * x - 1) * (XSTEP)); \ + FUNC(bottom_y[2 * x + 0], uv1 & 0xff, (uv1 >> 16), \ + bottom_dst + (2 * x + 0) * (XSTEP)); \ + } \ + tl_uv = t_uv; \ + l_uv = uv; \ + } \ + if (!(len & 1)) { \ + { \ + const uint32_t uv0 = (3 * tl_uv + l_uv + 0x00020002u) >> 2; \ + FUNC(top_y[len - 1], uv0 & 0xff, (uv0 >> 16), \ + top_dst + (len - 1) * (XSTEP)); \ + } \ + if (bottom_y != NULL) { \ + const uint32_t uv0 = (3 * l_uv + tl_uv + 0x00020002u) >> 2; \ + FUNC(bottom_y[len - 1], uv0 & 0xff, (uv0 >> 16), \ + bottom_dst + (len - 1) * (XSTEP)); \ + } \ + } \ +} + +// All variants implemented. +#if !WEBP_NEON_OMIT_C_CODE +UPSAMPLE_FUNC(UpsampleRgbaLinePair_C, VP8YuvToRgba, 4) +UPSAMPLE_FUNC(UpsampleBgraLinePair_C, VP8YuvToBgra, 4) +#if !defined(WEBP_REDUCE_CSP) +UPSAMPLE_FUNC(UpsampleArgbLinePair_C, VP8YuvToArgb, 4) +UPSAMPLE_FUNC(UpsampleRgbLinePair_C, VP8YuvToRgb, 3) +UPSAMPLE_FUNC(UpsampleBgrLinePair_C, VP8YuvToBgr, 3) +UPSAMPLE_FUNC(UpsampleRgba4444LinePair_C, VP8YuvToRgba4444, 2) +UPSAMPLE_FUNC(UpsampleRgb565LinePair_C, VP8YuvToRgb565, 2) +#else +static void EmptyUpsampleFunc(const uint8_t* top_y, const uint8_t* bottom_y, + const uint8_t* top_u, const uint8_t* top_v, + const uint8_t* cur_u, const uint8_t* cur_v, + uint8_t* top_dst, uint8_t* bottom_dst, int len) { + (void)top_y; + (void)bottom_y; + (void)top_u; + (void)top_v; + (void)cur_u; + (void)cur_v; + (void)top_dst; + (void)bottom_dst; + (void)len; + assert(0); // COLORSPACE SUPPORT NOT COMPILED +} +#define UpsampleArgbLinePair_C EmptyUpsampleFunc +#define UpsampleRgbLinePair_C EmptyUpsampleFunc +#define UpsampleBgrLinePair_C EmptyUpsampleFunc +#define UpsampleRgba4444LinePair_C EmptyUpsampleFunc +#define UpsampleRgb565LinePair_C EmptyUpsampleFunc +#endif // WEBP_REDUCE_CSP + +#endif + +#undef LOAD_UV +#undef UPSAMPLE_FUNC + +#endif // FANCY_UPSAMPLING + +//------------------------------------------------------------------------------ + +#if !defined(FANCY_UPSAMPLING) +#define DUAL_SAMPLE_FUNC(FUNC_NAME, FUNC) \ +static void FUNC_NAME(const uint8_t* top_y, const uint8_t* bot_y, \ + const uint8_t* top_u, const uint8_t* top_v, \ + const uint8_t* bot_u, const uint8_t* bot_v, \ + uint8_t* top_dst, uint8_t* bot_dst, int len) { \ + const int half_len = len >> 1; \ + int x; \ + assert(top_dst != NULL); \ + { \ + for (x = 0; x < half_len; ++x) { \ + FUNC(top_y[2 * x + 0], top_u[x], top_v[x], top_dst + 8 * x + 0); \ + FUNC(top_y[2 * x + 1], top_u[x], top_v[x], top_dst + 8 * x + 4); \ + } \ + if (len & 1) FUNC(top_y[2 * x + 0], top_u[x], top_v[x], top_dst + 8 * x); \ + } \ + if (bot_dst != NULL) { \ + for (x = 0; x < half_len; ++x) { \ + FUNC(bot_y[2 * x + 0], bot_u[x], bot_v[x], bot_dst + 8 * x + 0); \ + FUNC(bot_y[2 * x + 1], bot_u[x], bot_v[x], bot_dst + 8 * x + 4); \ + } \ + if (len & 1) FUNC(bot_y[2 * x + 0], bot_u[x], bot_v[x], bot_dst + 8 * x); \ + } \ +} + +DUAL_SAMPLE_FUNC(DualLineSamplerBGRA, VP8YuvToBgra) +DUAL_SAMPLE_FUNC(DualLineSamplerARGB, VP8YuvToArgb) +#undef DUAL_SAMPLE_FUNC + +#endif // !FANCY_UPSAMPLING + +WebPUpsampleLinePairFunc WebPGetLinePairConverter(int alpha_is_last) { + WebPInitUpsamplers(); +#ifdef FANCY_UPSAMPLING + return WebPUpsamplers[alpha_is_last ? MODE_BGRA : MODE_ARGB]; +#else + return (alpha_is_last ? DualLineSamplerBGRA : DualLineSamplerARGB); +#endif +} + +//------------------------------------------------------------------------------ +// YUV444 converter + +#define YUV444_FUNC(FUNC_NAME, FUNC, XSTEP) \ +extern void FUNC_NAME(const uint8_t* y, const uint8_t* u, const uint8_t* v, \ + uint8_t* dst, int len); \ +void FUNC_NAME(const uint8_t* y, const uint8_t* u, const uint8_t* v, \ + uint8_t* dst, int len) { \ + int i; \ + for (i = 0; i < len; ++i) FUNC(y[i], u[i], v[i], &dst[i * (XSTEP)]); \ +} + +YUV444_FUNC(WebPYuv444ToRgba_C, VP8YuvToRgba, 4) +YUV444_FUNC(WebPYuv444ToBgra_C, VP8YuvToBgra, 4) +#if !defined(WEBP_REDUCE_CSP) +YUV444_FUNC(WebPYuv444ToRgb_C, VP8YuvToRgb, 3) +YUV444_FUNC(WebPYuv444ToBgr_C, VP8YuvToBgr, 3) +YUV444_FUNC(WebPYuv444ToArgb_C, VP8YuvToArgb, 4) +YUV444_FUNC(WebPYuv444ToRgba4444_C, VP8YuvToRgba4444, 2) +YUV444_FUNC(WebPYuv444ToRgb565_C, VP8YuvToRgb565, 2) +#else +static void EmptyYuv444Func(const uint8_t* y, + const uint8_t* u, const uint8_t* v, + uint8_t* dst, int len) { + (void)y; + (void)u; + (void)v; + (void)dst; + (void)len; +} +#define WebPYuv444ToRgb_C EmptyYuv444Func +#define WebPYuv444ToBgr_C EmptyYuv444Func +#define WebPYuv444ToArgb_C EmptyYuv444Func +#define WebPYuv444ToRgba4444_C EmptyYuv444Func +#define WebPYuv444ToRgb565_C EmptyYuv444Func +#endif // WEBP_REDUCE_CSP + +#undef YUV444_FUNC + +WebPYUV444Converter WebPYUV444Converters[MODE_LAST]; + +extern VP8CPUInfo VP8GetCPUInfo; +extern void WebPInitYUV444ConvertersMIPSdspR2(void); +extern void WebPInitYUV444ConvertersSSE2(void); +extern void WebPInitYUV444ConvertersSSE41(void); + +WEBP_DSP_INIT_FUNC(WebPInitYUV444Converters) { + WebPYUV444Converters[MODE_RGBA] = WebPYuv444ToRgba_C; + WebPYUV444Converters[MODE_BGRA] = WebPYuv444ToBgra_C; + WebPYUV444Converters[MODE_RGB] = WebPYuv444ToRgb_C; + WebPYUV444Converters[MODE_BGR] = WebPYuv444ToBgr_C; + WebPYUV444Converters[MODE_ARGB] = WebPYuv444ToArgb_C; + WebPYUV444Converters[MODE_RGBA_4444] = WebPYuv444ToRgba4444_C; + WebPYUV444Converters[MODE_RGB_565] = WebPYuv444ToRgb565_C; + WebPYUV444Converters[MODE_rgbA] = WebPYuv444ToRgba_C; + WebPYUV444Converters[MODE_bgrA] = WebPYuv444ToBgra_C; + WebPYUV444Converters[MODE_Argb] = WebPYuv444ToArgb_C; + WebPYUV444Converters[MODE_rgbA_4444] = WebPYuv444ToRgba4444_C; + + if (VP8GetCPUInfo != NULL) { +#if defined(WEBP_HAVE_SSE2) + if (VP8GetCPUInfo(kSSE2)) { + WebPInitYUV444ConvertersSSE2(); + } +#endif +#if defined(WEBP_HAVE_SSE41) + if (VP8GetCPUInfo(kSSE4_1)) { + WebPInitYUV444ConvertersSSE41(); + } +#endif +#if defined(WEBP_USE_MIPS_DSP_R2) + if (VP8GetCPUInfo(kMIPSdspR2)) { + WebPInitYUV444ConvertersMIPSdspR2(); + } +#endif + } +} + +//------------------------------------------------------------------------------ +// Main calls + +extern void WebPInitUpsamplersSSE2(void); +extern void WebPInitUpsamplersSSE41(void); +extern void WebPInitUpsamplersNEON(void); +extern void WebPInitUpsamplersMIPSdspR2(void); +extern void WebPInitUpsamplersMSA(void); + +WEBP_DSP_INIT_FUNC(WebPInitUpsamplers) { +#ifdef FANCY_UPSAMPLING +#if !WEBP_NEON_OMIT_C_CODE + WebPUpsamplers[MODE_RGBA] = UpsampleRgbaLinePair_C; + WebPUpsamplers[MODE_BGRA] = UpsampleBgraLinePair_C; + WebPUpsamplers[MODE_rgbA] = UpsampleRgbaLinePair_C; + WebPUpsamplers[MODE_bgrA] = UpsampleBgraLinePair_C; + WebPUpsamplers[MODE_RGB] = UpsampleRgbLinePair_C; + WebPUpsamplers[MODE_BGR] = UpsampleBgrLinePair_C; + WebPUpsamplers[MODE_ARGB] = UpsampleArgbLinePair_C; + WebPUpsamplers[MODE_RGBA_4444] = UpsampleRgba4444LinePair_C; + WebPUpsamplers[MODE_RGB_565] = UpsampleRgb565LinePair_C; + WebPUpsamplers[MODE_Argb] = UpsampleArgbLinePair_C; + WebPUpsamplers[MODE_rgbA_4444] = UpsampleRgba4444LinePair_C; +#endif + + // If defined, use CPUInfo() to overwrite some pointers with faster versions. + if (VP8GetCPUInfo != NULL) { +#if defined(WEBP_HAVE_SSE2) + if (VP8GetCPUInfo(kSSE2)) { + WebPInitUpsamplersSSE2(); + } +#endif +#if defined(WEBP_HAVE_SSE41) + if (VP8GetCPUInfo(kSSE4_1)) { + WebPInitUpsamplersSSE41(); + } +#endif +#if defined(WEBP_USE_MIPS_DSP_R2) + if (VP8GetCPUInfo(kMIPSdspR2)) { + WebPInitUpsamplersMIPSdspR2(); + } +#endif +#if defined(WEBP_USE_MSA) + if (VP8GetCPUInfo(kMSA)) { + WebPInitUpsamplersMSA(); + } +#endif + } + +#if defined(WEBP_HAVE_NEON) + if (WEBP_NEON_OMIT_C_CODE || + (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kNEON))) { + WebPInitUpsamplersNEON(); + } +#endif + + assert(WebPUpsamplers[MODE_RGBA] != NULL); + assert(WebPUpsamplers[MODE_BGRA] != NULL); + assert(WebPUpsamplers[MODE_rgbA] != NULL); + assert(WebPUpsamplers[MODE_bgrA] != NULL); +#if !defined(WEBP_REDUCE_CSP) || !WEBP_NEON_OMIT_C_CODE + assert(WebPUpsamplers[MODE_RGB] != NULL); + assert(WebPUpsamplers[MODE_BGR] != NULL); + assert(WebPUpsamplers[MODE_ARGB] != NULL); + assert(WebPUpsamplers[MODE_RGBA_4444] != NULL); + assert(WebPUpsamplers[MODE_RGB_565] != NULL); + assert(WebPUpsamplers[MODE_Argb] != NULL); + assert(WebPUpsamplers[MODE_rgbA_4444] != NULL); +#endif + +#endif // FANCY_UPSAMPLING +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/dsp/upsampling_mips_dsp_r2.c b/ProductApp/Pods/libwebp/src/dsp/upsampling_mips_dsp_r2.c new file mode 100644 index 0000000..10d499d --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/upsampling_mips_dsp_r2.c @@ -0,0 +1,291 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// YUV to RGB upsampling functions. +// +// Author(s): Branimir Vasic (branimir.vasic@imgtec.com) +// Djordje Pesut (djordje.pesut@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MIPS_DSP_R2) + +#include +#include "src/dsp/yuv.h" + +#define YUV_TO_RGB(Y, U, V, R, G, B) do { \ + const int t1 = MultHi(Y, 19077); \ + const int t2 = MultHi(V, 13320); \ + R = MultHi(V, 26149); \ + G = MultHi(U, 6419); \ + B = MultHi(U, 33050); \ + R = t1 + R; \ + G = t1 - G; \ + B = t1 + B; \ + R = R - 14234; \ + G = G - t2 + 8708; \ + B = B - 17685; \ + __asm__ volatile ( \ + "shll_s.w %[" #R "], %[" #R "], 17 \n\t" \ + "shll_s.w %[" #G "], %[" #G "], 17 \n\t" \ + "shll_s.w %[" #B "], %[" #B "], 17 \n\t" \ + "precrqu_s.qb.ph %[" #R "], %[" #R "], $zero \n\t" \ + "precrqu_s.qb.ph %[" #G "], %[" #G "], $zero \n\t" \ + "precrqu_s.qb.ph %[" #B "], %[" #B "], $zero \n\t" \ + "srl %[" #R "], %[" #R "], 24 \n\t" \ + "srl %[" #G "], %[" #G "], 24 \n\t" \ + "srl %[" #B "], %[" #B "], 24 \n\t" \ + : [R]"+r"(R), [G]"+r"(G), [B]"+r"(B) \ + : \ + ); \ + } while (0) + +#if !defined(WEBP_REDUCE_CSP) +static WEBP_INLINE void YuvToRgb(int y, int u, int v, uint8_t* const rgb) { + int r, g, b; + YUV_TO_RGB(y, u, v, r, g, b); + rgb[0] = r; + rgb[1] = g; + rgb[2] = b; +} +static WEBP_INLINE void YuvToBgr(int y, int u, int v, uint8_t* const bgr) { + int r, g, b; + YUV_TO_RGB(y, u, v, r, g, b); + bgr[0] = b; + bgr[1] = g; + bgr[2] = r; +} +static WEBP_INLINE void YuvToRgb565(int y, int u, int v, uint8_t* const rgb) { + int r, g, b; + YUV_TO_RGB(y, u, v, r, g, b); + { + const int rg = (r & 0xf8) | (g >> 5); + const int gb = ((g << 3) & 0xe0) | (b >> 3); +#if (WEBP_SWAP_16BIT_CSP == 1) + rgb[0] = gb; + rgb[1] = rg; +#else + rgb[0] = rg; + rgb[1] = gb; +#endif + } +} +static WEBP_INLINE void YuvToRgba4444(int y, int u, int v, + uint8_t* const argb) { + int r, g, b; + YUV_TO_RGB(y, u, v, r, g, b); + { + const int rg = (r & 0xf0) | (g >> 4); + const int ba = (b & 0xf0) | 0x0f; // overwrite the lower 4 bits +#if (WEBP_SWAP_16BIT_CSP == 1) + argb[0] = ba; + argb[1] = rg; +#else + argb[0] = rg; + argb[1] = ba; +#endif + } +} +#endif // WEBP_REDUCE_CSP + +//----------------------------------------------------------------------------- +// Alpha handling variants + +#if !defined(WEBP_REDUCE_CSP) +static WEBP_INLINE void YuvToArgb(uint8_t y, uint8_t u, uint8_t v, + uint8_t* const argb) { + int r, g, b; + YUV_TO_RGB(y, u, v, r, g, b); + argb[0] = 0xff; + argb[1] = r; + argb[2] = g; + argb[3] = b; +} +#endif // WEBP_REDUCE_CSP +static WEBP_INLINE void YuvToBgra(uint8_t y, uint8_t u, uint8_t v, + uint8_t* const bgra) { + int r, g, b; + YUV_TO_RGB(y, u, v, r, g, b); + bgra[0] = b; + bgra[1] = g; + bgra[2] = r; + bgra[3] = 0xff; +} +static WEBP_INLINE void YuvToRgba(uint8_t y, uint8_t u, uint8_t v, + uint8_t* const rgba) { + int r, g, b; + YUV_TO_RGB(y, u, v, r, g, b); + rgba[0] = r; + rgba[1] = g; + rgba[2] = b; + rgba[3] = 0xff; +} + +//------------------------------------------------------------------------------ +// Fancy upsampler + +#ifdef FANCY_UPSAMPLING + +// Given samples laid out in a square as: +// [a b] +// [c d] +// we interpolate u/v as: +// ([9*a + 3*b + 3*c + d 3*a + 9*b + 3*c + d] + [8 8]) / 16 +// ([3*a + b + 9*c + 3*d a + 3*b + 3*c + 9*d] [8 8]) / 16 + +// We process u and v together stashed into 32bit (16bit each). +#define LOAD_UV(u, v) ((u) | ((v) << 16)) + +#define UPSAMPLE_FUNC(FUNC_NAME, FUNC, XSTEP) \ +static void FUNC_NAME(const uint8_t* top_y, const uint8_t* bottom_y, \ + const uint8_t* top_u, const uint8_t* top_v, \ + const uint8_t* cur_u, const uint8_t* cur_v, \ + uint8_t* top_dst, uint8_t* bottom_dst, int len) { \ + int x; \ + const int last_pixel_pair = (len - 1) >> 1; \ + uint32_t tl_uv = LOAD_UV(top_u[0], top_v[0]); /* top-left sample */ \ + uint32_t l_uv = LOAD_UV(cur_u[0], cur_v[0]); /* left-sample */ \ + assert(top_y != NULL); \ + { \ + const uint32_t uv0 = (3 * tl_uv + l_uv + 0x00020002u) >> 2; \ + FUNC(top_y[0], uv0 & 0xff, (uv0 >> 16), top_dst); \ + } \ + if (bottom_y != NULL) { \ + const uint32_t uv0 = (3 * l_uv + tl_uv + 0x00020002u) >> 2; \ + FUNC(bottom_y[0], uv0 & 0xff, (uv0 >> 16), bottom_dst); \ + } \ + for (x = 1; x <= last_pixel_pair; ++x) { \ + const uint32_t t_uv = LOAD_UV(top_u[x], top_v[x]); /* top sample */ \ + const uint32_t uv = LOAD_UV(cur_u[x], cur_v[x]); /* sample */ \ + /* precompute invariant values associated with first and second diagonals*/\ + const uint32_t avg = tl_uv + t_uv + l_uv + uv + 0x00080008u; \ + const uint32_t diag_12 = (avg + 2 * (t_uv + l_uv)) >> 3; \ + const uint32_t diag_03 = (avg + 2 * (tl_uv + uv)) >> 3; \ + { \ + const uint32_t uv0 = (diag_12 + tl_uv) >> 1; \ + const uint32_t uv1 = (diag_03 + t_uv) >> 1; \ + FUNC(top_y[2 * x - 1], uv0 & 0xff, (uv0 >> 16), \ + top_dst + (2 * x - 1) * XSTEP); \ + FUNC(top_y[2 * x - 0], uv1 & 0xff, (uv1 >> 16), \ + top_dst + (2 * x - 0) * XSTEP); \ + } \ + if (bottom_y != NULL) { \ + const uint32_t uv0 = (diag_03 + l_uv) >> 1; \ + const uint32_t uv1 = (diag_12 + uv) >> 1; \ + FUNC(bottom_y[2 * x - 1], uv0 & 0xff, (uv0 >> 16), \ + bottom_dst + (2 * x - 1) * XSTEP); \ + FUNC(bottom_y[2 * x + 0], uv1 & 0xff, (uv1 >> 16), \ + bottom_dst + (2 * x + 0) * XSTEP); \ + } \ + tl_uv = t_uv; \ + l_uv = uv; \ + } \ + if (!(len & 1)) { \ + { \ + const uint32_t uv0 = (3 * tl_uv + l_uv + 0x00020002u) >> 2; \ + FUNC(top_y[len - 1], uv0 & 0xff, (uv0 >> 16), \ + top_dst + (len - 1) * XSTEP); \ + } \ + if (bottom_y != NULL) { \ + const uint32_t uv0 = (3 * l_uv + tl_uv + 0x00020002u) >> 2; \ + FUNC(bottom_y[len - 1], uv0 & 0xff, (uv0 >> 16), \ + bottom_dst + (len - 1) * XSTEP); \ + } \ + } \ +} + +// All variants implemented. +UPSAMPLE_FUNC(UpsampleRgbaLinePair, YuvToRgba, 4) +UPSAMPLE_FUNC(UpsampleBgraLinePair, YuvToBgra, 4) +#if !defined(WEBP_REDUCE_CSP) +UPSAMPLE_FUNC(UpsampleRgbLinePair, YuvToRgb, 3) +UPSAMPLE_FUNC(UpsampleBgrLinePair, YuvToBgr, 3) +UPSAMPLE_FUNC(UpsampleArgbLinePair, YuvToArgb, 4) +UPSAMPLE_FUNC(UpsampleRgba4444LinePair, YuvToRgba4444, 2) +UPSAMPLE_FUNC(UpsampleRgb565LinePair, YuvToRgb565, 2) +#endif // WEBP_REDUCE_CSP + +#undef LOAD_UV +#undef UPSAMPLE_FUNC + +//------------------------------------------------------------------------------ +// Entry point + +extern void WebPInitUpsamplersMIPSdspR2(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplersMIPSdspR2(void) { + WebPUpsamplers[MODE_RGBA] = UpsampleRgbaLinePair; + WebPUpsamplers[MODE_BGRA] = UpsampleBgraLinePair; + WebPUpsamplers[MODE_rgbA] = UpsampleRgbaLinePair; + WebPUpsamplers[MODE_bgrA] = UpsampleBgraLinePair; +#if !defined(WEBP_REDUCE_CSP) + WebPUpsamplers[MODE_RGB] = UpsampleRgbLinePair; + WebPUpsamplers[MODE_BGR] = UpsampleBgrLinePair; + WebPUpsamplers[MODE_ARGB] = UpsampleArgbLinePair; + WebPUpsamplers[MODE_RGBA_4444] = UpsampleRgba4444LinePair; + WebPUpsamplers[MODE_RGB_565] = UpsampleRgb565LinePair; + WebPUpsamplers[MODE_Argb] = UpsampleArgbLinePair; + WebPUpsamplers[MODE_rgbA_4444] = UpsampleRgba4444LinePair; +#endif // WEBP_REDUCE_CSP +} + +#endif // FANCY_UPSAMPLING + +//------------------------------------------------------------------------------ +// YUV444 converter + +#define YUV444_FUNC(FUNC_NAME, FUNC, XSTEP) \ +static void FUNC_NAME(const uint8_t* y, const uint8_t* u, const uint8_t* v, \ + uint8_t* dst, int len) { \ + int i; \ + for (i = 0; i < len; ++i) FUNC(y[i], u[i], v[i], &dst[i * XSTEP]); \ +} + +YUV444_FUNC(Yuv444ToRgba, YuvToRgba, 4) +YUV444_FUNC(Yuv444ToBgra, YuvToBgra, 4) +#if !defined(WEBP_REDUCE_CSP) +YUV444_FUNC(Yuv444ToRgb, YuvToRgb, 3) +YUV444_FUNC(Yuv444ToBgr, YuvToBgr, 3) +YUV444_FUNC(Yuv444ToArgb, YuvToArgb, 4) +YUV444_FUNC(Yuv444ToRgba4444, YuvToRgba4444, 2) +YUV444_FUNC(Yuv444ToRgb565, YuvToRgb565, 2) +#endif // WEBP_REDUCE_CSP + +#undef YUV444_FUNC + +//------------------------------------------------------------------------------ +// Entry point + +extern void WebPInitYUV444ConvertersMIPSdspR2(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPInitYUV444ConvertersMIPSdspR2(void) { + WebPYUV444Converters[MODE_RGBA] = Yuv444ToRgba; + WebPYUV444Converters[MODE_BGRA] = Yuv444ToBgra; + WebPYUV444Converters[MODE_rgbA] = Yuv444ToRgba; + WebPYUV444Converters[MODE_bgrA] = Yuv444ToBgra; +#if !defined(WEBP_REDUCE_CSP) + WebPYUV444Converters[MODE_RGB] = Yuv444ToRgb; + WebPYUV444Converters[MODE_BGR] = Yuv444ToBgr; + WebPYUV444Converters[MODE_ARGB] = Yuv444ToArgb; + WebPYUV444Converters[MODE_RGBA_4444] = Yuv444ToRgba4444; + WebPYUV444Converters[MODE_RGB_565] = Yuv444ToRgb565; + WebPYUV444Converters[MODE_Argb] = Yuv444ToArgb; + WebPYUV444Converters[MODE_rgbA_4444] = Yuv444ToRgba4444; +#endif // WEBP_REDUCE_CSP +} + +#else // !WEBP_USE_MIPS_DSP_R2 + +WEBP_DSP_INIT_STUB(WebPInitYUV444ConvertersMIPSdspR2) + +#endif // WEBP_USE_MIPS_DSP_R2 + +#if !(defined(FANCY_UPSAMPLING) && defined(WEBP_USE_MIPS_DSP_R2)) +WEBP_DSP_INIT_STUB(WebPInitUpsamplersMIPSdspR2) +#endif diff --git a/ProductApp/Pods/libwebp/src/dsp/upsampling_msa.c b/ProductApp/Pods/libwebp/src/dsp/upsampling_msa.c new file mode 100644 index 0000000..f2e03e8 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/upsampling_msa.c @@ -0,0 +1,688 @@ +// Copyright 2016 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// MSA version of YUV to RGB upsampling functions. +// +// Author: Prashant Patil (prashant.patil@imgtec.com) + +#include +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MSA) + +#include "src/dsp/msa_macro.h" +#include "src/dsp/yuv.h" + +#ifdef FANCY_UPSAMPLING + +#define ILVR_UW2(in, out0, out1) do { \ + const v8i16 t0 = (v8i16)__msa_ilvr_b((v16i8)zero, (v16i8)in); \ + out0 = (v4u32)__msa_ilvr_h((v8i16)zero, t0); \ + out1 = (v4u32)__msa_ilvl_h((v8i16)zero, t0); \ +} while (0) + +#define ILVRL_UW4(in, out0, out1, out2, out3) do { \ + v16u8 t0, t1; \ + ILVRL_B2_UB(zero, in, t0, t1); \ + ILVRL_H2_UW(zero, t0, out0, out1); \ + ILVRL_H2_UW(zero, t1, out2, out3); \ +} while (0) + +#define MULTHI_16(in0, in1, in2, in3, cnst, out0, out1) do { \ + const v4i32 const0 = (v4i32)__msa_fill_w(cnst * 256); \ + v4u32 temp0, temp1, temp2, temp3; \ + MUL4(in0, const0, in1, const0, in2, const0, in3, const0, \ + temp0, temp1, temp2, temp3); \ + PCKOD_H2_UH(temp1, temp0, temp3, temp2, out0, out1); \ +} while (0) + +#define MULTHI_8(in0, in1, cnst, out0) do { \ + const v4i32 const0 = (v4i32)__msa_fill_w(cnst * 256); \ + v4u32 temp0, temp1; \ + MUL2(in0, const0, in1, const0, temp0, temp1); \ + out0 = (v8u16)__msa_pckod_h((v8i16)temp1, (v8i16)temp0); \ +} while (0) + +#define CALC_R16(y0, y1, v0, v1, dst) do { \ + const v8i16 const_a = (v8i16)__msa_fill_h(14234); \ + const v8i16 a0 = __msa_adds_s_h((v8i16)y0, (v8i16)v0); \ + const v8i16 a1 = __msa_adds_s_h((v8i16)y1, (v8i16)v1); \ + v8i16 b0 = __msa_subs_s_h(a0, const_a); \ + v8i16 b1 = __msa_subs_s_h(a1, const_a); \ + SRAI_H2_SH(b0, b1, 6); \ + CLIP_SH2_0_255(b0, b1); \ + dst = (v16u8)__msa_pckev_b((v16i8)b1, (v16i8)b0); \ +} while (0) + +#define CALC_R8(y0, v0, dst) do { \ + const v8i16 const_a = (v8i16)__msa_fill_h(14234); \ + const v8i16 a0 = __msa_adds_s_h((v8i16)y0, (v8i16)v0); \ + v8i16 b0 = __msa_subs_s_h(a0, const_a); \ + b0 = SRAI_H(b0, 6); \ + CLIP_SH_0_255(b0); \ + dst = (v16u8)__msa_pckev_b((v16i8)b0, (v16i8)b0); \ +} while (0) + +#define CALC_G16(y0, y1, u0, u1, v0, v1, dst) do { \ + const v8i16 const_a = (v8i16)__msa_fill_h(8708); \ + v8i16 a0 = __msa_subs_s_h((v8i16)y0, (v8i16)u0); \ + v8i16 a1 = __msa_subs_s_h((v8i16)y1, (v8i16)u1); \ + const v8i16 b0 = __msa_subs_s_h(a0, (v8i16)v0); \ + const v8i16 b1 = __msa_subs_s_h(a1, (v8i16)v1); \ + a0 = __msa_adds_s_h(b0, const_a); \ + a1 = __msa_adds_s_h(b1, const_a); \ + SRAI_H2_SH(a0, a1, 6); \ + CLIP_SH2_0_255(a0, a1); \ + dst = (v16u8)__msa_pckev_b((v16i8)a1, (v16i8)a0); \ +} while (0) + +#define CALC_G8(y0, u0, v0, dst) do { \ + const v8i16 const_a = (v8i16)__msa_fill_h(8708); \ + v8i16 a0 = __msa_subs_s_h((v8i16)y0, (v8i16)u0); \ + const v8i16 b0 = __msa_subs_s_h(a0, (v8i16)v0); \ + a0 = __msa_adds_s_h(b0, const_a); \ + a0 = SRAI_H(a0, 6); \ + CLIP_SH_0_255(a0); \ + dst = (v16u8)__msa_pckev_b((v16i8)a0, (v16i8)a0); \ +} while (0) + +#define CALC_B16(y0, y1, u0, u1, dst) do { \ + const v8u16 const_a = (v8u16)__msa_fill_h(17685); \ + const v8u16 a0 = __msa_adds_u_h((v8u16)y0, u0); \ + const v8u16 a1 = __msa_adds_u_h((v8u16)y1, u1); \ + v8u16 b0 = __msa_subs_u_h(a0, const_a); \ + v8u16 b1 = __msa_subs_u_h(a1, const_a); \ + SRAI_H2_UH(b0, b1, 6); \ + CLIP_UH2_0_255(b0, b1); \ + dst = (v16u8)__msa_pckev_b((v16i8)b1, (v16i8)b0); \ +} while (0) + +#define CALC_B8(y0, u0, dst) do { \ + const v8u16 const_a = (v8u16)__msa_fill_h(17685); \ + const v8u16 a0 = __msa_adds_u_h((v8u16)y0, u0); \ + v8u16 b0 = __msa_subs_u_h(a0, const_a); \ + b0 = SRAI_H(b0, 6); \ + CLIP_UH_0_255(b0); \ + dst = (v16u8)__msa_pckev_b((v16i8)b0, (v16i8)b0); \ +} while (0) + +#define CALC_RGB16(y, u, v, R, G, B) do { \ + const v16u8 zero = { 0 }; \ + v8u16 y0, y1, u0, u1, v0, v1; \ + v4u32 p0, p1, p2, p3; \ + const v16u8 in_y = LD_UB(y); \ + const v16u8 in_u = LD_UB(u); \ + const v16u8 in_v = LD_UB(v); \ + ILVRL_UW4(in_y, p0, p1, p2, p3); \ + MULTHI_16(p0, p1, p2, p3, 19077, y0, y1); \ + ILVRL_UW4(in_v, p0, p1, p2, p3); \ + MULTHI_16(p0, p1, p2, p3, 26149, v0, v1); \ + CALC_R16(y0, y1, v0, v1, R); \ + MULTHI_16(p0, p1, p2, p3, 13320, v0, v1); \ + ILVRL_UW4(in_u, p0, p1, p2, p3); \ + MULTHI_16(p0, p1, p2, p3, 6419, u0, u1); \ + CALC_G16(y0, y1, u0, u1, v0, v1, G); \ + MULTHI_16(p0, p1, p2, p3, 33050, u0, u1); \ + CALC_B16(y0, y1, u0, u1, B); \ +} while (0) + +#define CALC_RGB8(y, u, v, R, G, B) do { \ + const v16u8 zero = { 0 }; \ + v8u16 y0, u0, v0; \ + v4u32 p0, p1; \ + const v16u8 in_y = LD_UB(y); \ + const v16u8 in_u = LD_UB(u); \ + const v16u8 in_v = LD_UB(v); \ + ILVR_UW2(in_y, p0, p1); \ + MULTHI_8(p0, p1, 19077, y0); \ + ILVR_UW2(in_v, p0, p1); \ + MULTHI_8(p0, p1, 26149, v0); \ + CALC_R8(y0, v0, R); \ + MULTHI_8(p0, p1, 13320, v0); \ + ILVR_UW2(in_u, p0, p1); \ + MULTHI_8(p0, p1, 6419, u0); \ + CALC_G8(y0, u0, v0, G); \ + MULTHI_8(p0, p1, 33050, u0); \ + CALC_B8(y0, u0, B); \ +} while (0) + +#define STORE16_3(a0, a1, a2, dst) do { \ + const v16u8 mask0 = { 0, 1, 16, 2, 3, 17, 4, 5, 18, 6, 7, 19, \ + 8, 9, 20, 10 }; \ + const v16u8 mask1 = { 0, 21, 1, 2, 22, 3, 4, 23, 5, 6, 24, 7, \ + 8, 25, 9, 10 }; \ + const v16u8 mask2 = { 26, 0, 1, 27, 2, 3, 28, 4, 5, 29, 6, 7, \ + 30, 8, 9, 31 }; \ + v16u8 out0, out1, out2, tmp0, tmp1, tmp2; \ + ILVRL_B2_UB(a1, a0, tmp0, tmp1); \ + out0 = VSHF_UB(tmp0, a2, mask0); \ + tmp2 = SLDI_UB(tmp1, tmp0, 11); \ + out1 = VSHF_UB(tmp2, a2, mask1); \ + tmp2 = SLDI_UB(tmp1, tmp1, 6); \ + out2 = VSHF_UB(tmp2, a2, mask2); \ + ST_UB(out0, dst + 0); \ + ST_UB(out1, dst + 16); \ + ST_UB(out2, dst + 32); \ +} while (0) + +#define STORE8_3(a0, a1, a2, dst) do { \ + int64_t out_m; \ + const v16u8 mask0 = { 0, 1, 16, 2, 3, 17, 4, 5, 18, 6, 7, 19, \ + 8, 9, 20, 10 }; \ + const v16u8 mask1 = { 11, 21, 12, 13, 22, 14, 15, 23, \ + 255, 255, 255, 255, 255, 255, 255, 255 }; \ + const v16u8 tmp0 = (v16u8)__msa_ilvr_b((v16i8)a1, (v16i8)a0); \ + v16u8 out0, out1; \ + VSHF_B2_UB(tmp0, a2, tmp0, a2, mask0, mask1, out0, out1); \ + ST_UB(out0, dst); \ + out_m = __msa_copy_s_d((v2i64)out1, 0); \ + SD(out_m, dst + 16); \ +} while (0) + +#define STORE16_4(a0, a1, a2, a3, dst) do { \ + v16u8 tmp0, tmp1, tmp2, tmp3; \ + v16u8 out0, out1, out2, out3; \ + ILVRL_B2_UB(a1, a0, tmp0, tmp1); \ + ILVRL_B2_UB(a3, a2, tmp2, tmp3); \ + ILVRL_H2_UB(tmp2, tmp0, out0, out1); \ + ILVRL_H2_UB(tmp3, tmp1, out2, out3); \ + ST_UB(out0, dst + 0); \ + ST_UB(out1, dst + 16); \ + ST_UB(out2, dst + 32); \ + ST_UB(out3, dst + 48); \ +} while (0) + +#define STORE8_4(a0, a1, a2, a3, dst) do { \ + v16u8 tmp0, tmp1, tmp2, tmp3; \ + ILVR_B2_UB(a1, a0, a3, a2, tmp0, tmp1); \ + ILVRL_H2_UB(tmp1, tmp0, tmp2, tmp3); \ + ST_UB(tmp2, dst + 0); \ + ST_UB(tmp3, dst + 16); \ +} while (0) + +#define STORE2_16(a0, a1, dst) do { \ + v16u8 out0, out1; \ + ILVRL_B2_UB(a1, a0, out0, out1); \ + ST_UB(out0, dst + 0); \ + ST_UB(out1, dst + 16); \ +} while (0) + +#define STORE2_8(a0, a1, dst) do { \ + const v16u8 out0 = (v16u8)__msa_ilvr_b((v16i8)a1, (v16i8)a0); \ + ST_UB(out0, dst); \ +} while (0) + +#define CALC_RGBA4444(y, u, v, out0, out1, N, dst) do { \ + CALC_RGB##N(y, u, v, R, G, B); \ + tmp0 = ANDI_B(R, 0xf0); \ + tmp1 = SRAI_B(G, 4); \ + RG = tmp0 | tmp1; \ + tmp0 = ANDI_B(B, 0xf0); \ + BA = ORI_B(tmp0, 0x0f); \ + STORE2_##N(out0, out1, dst); \ +} while (0) + +#define CALC_RGB565(y, u, v, out0, out1, N, dst) do { \ + CALC_RGB##N(y, u, v, R, G, B); \ + tmp0 = ANDI_B(R, 0xf8); \ + tmp1 = SRAI_B(G, 5); \ + RG = tmp0 | tmp1; \ + tmp0 = SLLI_B(G, 3); \ + tmp1 = ANDI_B(tmp0, 0xe0); \ + tmp0 = SRAI_B(B, 3); \ + GB = tmp0 | tmp1; \ + STORE2_##N(out0, out1, dst); \ +} while (0) + +static WEBP_INLINE int Clip8(int v) { + return v < 0 ? 0 : v > 255 ? 255 : v; +} + +static void YuvToRgb(int y, int u, int v, uint8_t* const rgb) { + const int y1 = MultHi(y, 19077); + const int r1 = y1 + MultHi(v, 26149) - 14234; + const int g1 = y1 - MultHi(u, 6419) - MultHi(v, 13320) + 8708; + const int b1 = y1 + MultHi(u, 33050) - 17685; + rgb[0] = Clip8(r1 >> 6); + rgb[1] = Clip8(g1 >> 6); + rgb[2] = Clip8(b1 >> 6); +} + +static void YuvToBgr(int y, int u, int v, uint8_t* const bgr) { + const int y1 = MultHi(y, 19077); + const int r1 = y1 + MultHi(v, 26149) - 14234; + const int g1 = y1 - MultHi(u, 6419) - MultHi(v, 13320) + 8708; + const int b1 = y1 + MultHi(u, 33050) - 17685; + bgr[0] = Clip8(b1 >> 6); + bgr[1] = Clip8(g1 >> 6); + bgr[2] = Clip8(r1 >> 6); +} + +#if !defined(WEBP_REDUCE_CSP) +static void YuvToRgb565(int y, int u, int v, uint8_t* const rgb) { + const int y1 = MultHi(y, 19077); + const int r1 = y1 + MultHi(v, 26149) - 14234; + const int g1 = y1 - MultHi(u, 6419) - MultHi(v, 13320) + 8708; + const int b1 = y1 + MultHi(u, 33050) - 17685; + const int r = Clip8(r1 >> 6); + const int g = Clip8(g1 >> 6); + const int b = Clip8(b1 >> 6); + const int rg = (r & 0xf8) | (g >> 5); + const int gb = ((g << 3) & 0xe0) | (b >> 3); +#if (WEBP_SWAP_16BIT_CSP == 1) + rgb[0] = gb; + rgb[1] = rg; +#else + rgb[0] = rg; + rgb[1] = gb; +#endif +} + +static void YuvToRgba4444(int y, int u, int v, uint8_t* const argb) { + const int y1 = MultHi(y, 19077); + const int r1 = y1 + MultHi(v, 26149) - 14234; + const int g1 = y1 - MultHi(u, 6419) - MultHi(v, 13320) + 8708; + const int b1 = y1 + MultHi(u, 33050) - 17685; + const int r = Clip8(r1 >> 6); + const int g = Clip8(g1 >> 6); + const int b = Clip8(b1 >> 6); + const int rg = (r & 0xf0) | (g >> 4); + const int ba = (b & 0xf0) | 0x0f; // overwrite the lower 4 bits +#if (WEBP_SWAP_16BIT_CSP == 1) + argb[0] = ba; + argb[1] = rg; +#else + argb[0] = rg; + argb[1] = ba; +#endif +} + +static void YuvToArgb(uint8_t y, uint8_t u, uint8_t v, uint8_t* const argb) { + argb[0] = 0xff; + YuvToRgb(y, u, v, argb + 1); +} +#endif // WEBP_REDUCE_CSP + +static void YuvToBgra(uint8_t y, uint8_t u, uint8_t v, uint8_t* const bgra) { + YuvToBgr(y, u, v, bgra); + bgra[3] = 0xff; +} + +static void YuvToRgba(uint8_t y, uint8_t u, uint8_t v, uint8_t* const rgba) { + YuvToRgb(y, u, v, rgba); + rgba[3] = 0xff; +} + +#if !defined(WEBP_REDUCE_CSP) +static void YuvToRgbLine(const uint8_t* y, const uint8_t* u, + const uint8_t* v, uint8_t* dst, int length) { + v16u8 R, G, B; + while (length >= 16) { + CALC_RGB16(y, u, v, R, G, B); + STORE16_3(R, G, B, dst); + y += 16; + u += 16; + v += 16; + dst += 16 * 3; + length -= 16; + } + if (length > 8) { + uint8_t temp[3 * 16] = { 0 }; + memcpy(temp, y, length * sizeof(*temp)); + CALC_RGB16(temp, u, v, R, G, B); + STORE16_3(R, G, B, temp); + memcpy(dst, temp, length * 3 * sizeof(*dst)); + } else if (length > 0) { + uint8_t temp[3 * 8] = { 0 }; + memcpy(temp, y, length * sizeof(*temp)); + CALC_RGB8(temp, u, v, R, G, B); + STORE8_3(R, G, B, temp); + memcpy(dst, temp, length * 3 * sizeof(*dst)); + } +} + +static void YuvToBgrLine(const uint8_t* y, const uint8_t* u, + const uint8_t* v, uint8_t* dst, int length) { + v16u8 R, G, B; + while (length >= 16) { + CALC_RGB16(y, u, v, R, G, B); + STORE16_3(B, G, R, dst); + y += 16; + u += 16; + v += 16; + dst += 16 * 3; + length -= 16; + } + if (length > 8) { + uint8_t temp[3 * 16] = { 0 }; + memcpy(temp, y, length * sizeof(*temp)); + CALC_RGB16(temp, u, v, R, G, B); + STORE16_3(B, G, R, temp); + memcpy(dst, temp, length * 3 * sizeof(*dst)); + } else if (length > 0) { + uint8_t temp[3 * 8] = { 0 }; + memcpy(temp, y, length * sizeof(*temp)); + CALC_RGB8(temp, u, v, R, G, B); + STORE8_3(B, G, R, temp); + memcpy(dst, temp, length * 3 * sizeof(*dst)); + } +} +#endif // WEBP_REDUCE_CSP + +static void YuvToRgbaLine(const uint8_t* y, const uint8_t* u, + const uint8_t* v, uint8_t* dst, int length) { + v16u8 R, G, B; + const v16u8 A = (v16u8)__msa_ldi_b(ALPHAVAL); + while (length >= 16) { + CALC_RGB16(y, u, v, R, G, B); + STORE16_4(R, G, B, A, dst); + y += 16; + u += 16; + v += 16; + dst += 16 * 4; + length -= 16; + } + if (length > 8) { + uint8_t temp[4 * 16] = { 0 }; + memcpy(temp, y, length * sizeof(*temp)); + CALC_RGB16(&temp[0], u, v, R, G, B); + STORE16_4(R, G, B, A, temp); + memcpy(dst, temp, length * 4 * sizeof(*dst)); + } else if (length > 0) { + uint8_t temp[4 * 8] = { 0 }; + memcpy(temp, y, length * sizeof(*temp)); + CALC_RGB8(temp, u, v, R, G, B); + STORE8_4(R, G, B, A, temp); + memcpy(dst, temp, length * 4 * sizeof(*dst)); + } +} + +static void YuvToBgraLine(const uint8_t* y, const uint8_t* u, + const uint8_t* v, uint8_t* dst, int length) { + v16u8 R, G, B; + const v16u8 A = (v16u8)__msa_ldi_b(ALPHAVAL); + while (length >= 16) { + CALC_RGB16(y, u, v, R, G, B); + STORE16_4(B, G, R, A, dst); + y += 16; + u += 16; + v += 16; + dst += 16 * 4; + length -= 16; + } + if (length > 8) { + uint8_t temp[4 * 16] = { 0 }; + memcpy(temp, y, length * sizeof(*temp)); + CALC_RGB16(temp, u, v, R, G, B); + STORE16_4(B, G, R, A, temp); + memcpy(dst, temp, length * 4 * sizeof(*dst)); + } else if (length > 0) { + uint8_t temp[4 * 8] = { 0 }; + memcpy(temp, y, length * sizeof(*temp)); + CALC_RGB8(temp, u, v, R, G, B); + STORE8_4(B, G, R, A, temp); + memcpy(dst, temp, length * 4 * sizeof(*dst)); + } +} + +#if !defined(WEBP_REDUCE_CSP) +static void YuvToArgbLine(const uint8_t* y, const uint8_t* u, + const uint8_t* v, uint8_t* dst, int length) { + v16u8 R, G, B; + const v16u8 A = (v16u8)__msa_ldi_b(ALPHAVAL); + while (length >= 16) { + CALC_RGB16(y, u, v, R, G, B); + STORE16_4(A, R, G, B, dst); + y += 16; + u += 16; + v += 16; + dst += 16 * 4; + length -= 16; + } + if (length > 8) { + uint8_t temp[4 * 16] = { 0 }; + memcpy(temp, y, length * sizeof(*temp)); + CALC_RGB16(temp, u, v, R, G, B); + STORE16_4(A, R, G, B, temp); + memcpy(dst, temp, length * 4 * sizeof(*dst)); + } else if (length > 0) { + uint8_t temp[4 * 8] = { 0 }; + memcpy(temp, y, length * sizeof(*temp)); + CALC_RGB8(temp, u, v, R, G, B); + STORE8_4(A, R, G, B, temp); + memcpy(dst, temp, length * 4 * sizeof(*dst)); + } +} + +static void YuvToRgba4444Line(const uint8_t* y, const uint8_t* u, + const uint8_t* v, uint8_t* dst, int length) { + v16u8 R, G, B, RG, BA, tmp0, tmp1; + while (length >= 16) { +#if (WEBP_SWAP_16BIT_CSP == 1) + CALC_RGBA4444(y, u, v, BA, RG, 16, dst); +#else + CALC_RGBA4444(y, u, v, RG, BA, 16, dst); +#endif + y += 16; + u += 16; + v += 16; + dst += 16 * 2; + length -= 16; + } + if (length > 8) { + uint8_t temp[2 * 16] = { 0 }; + memcpy(temp, y, length * sizeof(*temp)); +#if (WEBP_SWAP_16BIT_CSP == 1) + CALC_RGBA4444(temp, u, v, BA, RG, 16, temp); +#else + CALC_RGBA4444(temp, u, v, RG, BA, 16, temp); +#endif + memcpy(dst, temp, length * 2 * sizeof(*dst)); + } else if (length > 0) { + uint8_t temp[2 * 8] = { 0 }; + memcpy(temp, y, length * sizeof(*temp)); +#if (WEBP_SWAP_16BIT_CSP == 1) + CALC_RGBA4444(temp, u, v, BA, RG, 8, temp); +#else + CALC_RGBA4444(temp, u, v, RG, BA, 8, temp); +#endif + memcpy(dst, temp, length * 2 * sizeof(*dst)); + } +} + +static void YuvToRgb565Line(const uint8_t* y, const uint8_t* u, + const uint8_t* v, uint8_t* dst, int length) { + v16u8 R, G, B, RG, GB, tmp0, tmp1; + while (length >= 16) { +#if (WEBP_SWAP_16BIT_CSP == 1) + CALC_RGB565(y, u, v, GB, RG, 16, dst); +#else + CALC_RGB565(y, u, v, RG, GB, 16, dst); +#endif + y += 16; + u += 16; + v += 16; + dst += 16 * 2; + length -= 16; + } + if (length > 8) { + uint8_t temp[2 * 16] = { 0 }; + memcpy(temp, y, length * sizeof(*temp)); +#if (WEBP_SWAP_16BIT_CSP == 1) + CALC_RGB565(temp, u, v, GB, RG, 16, temp); +#else + CALC_RGB565(temp, u, v, RG, GB, 16, temp); +#endif + memcpy(dst, temp, length * 2 * sizeof(*dst)); + } else if (length > 0) { + uint8_t temp[2 * 8] = { 0 }; + memcpy(temp, y, length * sizeof(*temp)); +#if (WEBP_SWAP_16BIT_CSP == 1) + CALC_RGB565(temp, u, v, GB, RG, 8, temp); +#else + CALC_RGB565(temp, u, v, RG, GB, 8, temp); +#endif + memcpy(dst, temp, length * 2 * sizeof(*dst)); + } +} +#endif // WEBP_REDUCE_CSP + +#define UPSAMPLE_32PIXELS(a, b, c, d) do { \ + v16u8 s = __msa_aver_u_b(a, d); \ + v16u8 t = __msa_aver_u_b(b, c); \ + const v16u8 st = s ^ t; \ + v16u8 ad = a ^ d; \ + v16u8 bc = b ^ c; \ + v16u8 t0 = ad | bc; \ + v16u8 t1 = t0 | st; \ + v16u8 t2 = ANDI_B(t1, 1); \ + v16u8 t3 = __msa_aver_u_b(s, t); \ + const v16u8 k = t3 - t2; \ + v16u8 diag1, diag2; \ + AVER_UB2_UB(t, k, s, k, t0, t1); \ + bc = bc & st; \ + ad = ad & st; \ + t = t ^ k; \ + s = s ^ k; \ + t2 = bc | t; \ + t3 = ad | s; \ + t2 = ANDI_B(t2, 1); \ + t3 = ANDI_B(t3, 1); \ + SUB2(t0, t2, t1, t3, diag1, diag2); \ + AVER_UB2_UB(a, diag1, b, diag2, t0, t1); \ + ILVRL_B2_UB(t1, t0, a, b); \ + if (pbot_y != NULL) { \ + AVER_UB2_UB(c, diag2, d, diag1, t0, t1); \ + ILVRL_B2_UB(t1, t0, c, d); \ + } \ +} while (0) + +#define UPSAMPLE_FUNC(FUNC_NAME, FUNC, XSTEP) \ +static void FUNC_NAME(const uint8_t* top_y, const uint8_t* bot_y, \ + const uint8_t* top_u, const uint8_t* top_v, \ + const uint8_t* cur_u, const uint8_t* cur_v, \ + uint8_t* top_dst, uint8_t* bot_dst, int len) \ +{ \ + int size = (len - 1) >> 1; \ + uint8_t temp_u[64]; \ + uint8_t temp_v[64]; \ + const uint32_t tl_uv = ((top_u[0]) | ((top_v[0]) << 16)); \ + const uint32_t l_uv = ((cur_u[0]) | ((cur_v[0]) << 16)); \ + const uint32_t uv0 = (3 * tl_uv + l_uv + 0x00020002u) >> 2; \ + const uint8_t* ptop_y = &top_y[1]; \ + uint8_t* ptop_dst = top_dst + XSTEP; \ + const uint8_t* pbot_y = &bot_y[1]; \ + uint8_t* pbot_dst = bot_dst + XSTEP; \ + \ + FUNC(top_y[0], uv0 & 0xff, (uv0 >> 16), top_dst); \ + if (bot_y != NULL) { \ + const uint32_t uv1 = (3 * l_uv + tl_uv + 0x00020002u) >> 2; \ + FUNC(bot_y[0], uv1 & 0xff, (uv1 >> 16), bot_dst); \ + } \ + while (size >= 16) { \ + v16u8 tu0, tu1, tv0, tv1, cu0, cu1, cv0, cv1; \ + LD_UB2(top_u, 1, tu0, tu1); \ + LD_UB2(cur_u, 1, cu0, cu1); \ + LD_UB2(top_v, 1, tv0, tv1); \ + LD_UB2(cur_v, 1, cv0, cv1); \ + UPSAMPLE_32PIXELS(tu0, tu1, cu0, cu1); \ + UPSAMPLE_32PIXELS(tv0, tv1, cv0, cv1); \ + ST_UB4(tu0, tu1, cu0, cu1, &temp_u[0], 16); \ + ST_UB4(tv0, tv1, cv0, cv1, &temp_v[0], 16); \ + FUNC##Line(ptop_y, &temp_u[ 0], &temp_v[0], ptop_dst, 32); \ + if (bot_y != NULL) { \ + FUNC##Line(pbot_y, &temp_u[32], &temp_v[32], pbot_dst, 32); \ + } \ + ptop_y += 32; \ + pbot_y += 32; \ + ptop_dst += XSTEP * 32; \ + pbot_dst += XSTEP * 32; \ + top_u += 16; \ + top_v += 16; \ + cur_u += 16; \ + cur_v += 16; \ + size -= 16; \ + } \ + if (size > 0) { \ + v16u8 tu0, tu1, tv0, tv1, cu0, cu1, cv0, cv1; \ + memcpy(&temp_u[ 0], top_u, 17 * sizeof(uint8_t)); \ + memcpy(&temp_u[32], cur_u, 17 * sizeof(uint8_t)); \ + memcpy(&temp_v[ 0], top_v, 17 * sizeof(uint8_t)); \ + memcpy(&temp_v[32], cur_v, 17 * sizeof(uint8_t)); \ + LD_UB2(&temp_u[ 0], 1, tu0, tu1); \ + LD_UB2(&temp_u[32], 1, cu0, cu1); \ + LD_UB2(&temp_v[ 0], 1, tv0, tv1); \ + LD_UB2(&temp_v[32], 1, cv0, cv1); \ + UPSAMPLE_32PIXELS(tu0, tu1, cu0, cu1); \ + UPSAMPLE_32PIXELS(tv0, tv1, cv0, cv1); \ + ST_UB4(tu0, tu1, cu0, cu1, &temp_u[0], 16); \ + ST_UB4(tv0, tv1, cv0, cv1, &temp_v[0], 16); \ + FUNC##Line(ptop_y, &temp_u[ 0], &temp_v[0], ptop_dst, size * 2); \ + if (bot_y != NULL) { \ + FUNC##Line(pbot_y, &temp_u[32], &temp_v[32], pbot_dst, size * 2); \ + } \ + top_u += size; \ + top_v += size; \ + cur_u += size; \ + cur_v += size; \ + } \ + if (!(len & 1)) { \ + const uint32_t t0 = ((top_u[0]) | ((top_v[0]) << 16)); \ + const uint32_t c0 = ((cur_u[0]) | ((cur_v[0]) << 16)); \ + const uint32_t tmp0 = (3 * t0 + c0 + 0x00020002u) >> 2; \ + FUNC(top_y[len - 1], tmp0 & 0xff, (tmp0 >> 16), \ + top_dst + (len - 1) * XSTEP); \ + if (bot_y != NULL) { \ + const uint32_t tmp1 = (3 * c0 + t0 + 0x00020002u) >> 2; \ + FUNC(bot_y[len - 1], tmp1 & 0xff, (tmp1 >> 16), \ + bot_dst + (len - 1) * XSTEP); \ + } \ + } \ +} + +UPSAMPLE_FUNC(UpsampleRgbaLinePair, YuvToRgba, 4) +UPSAMPLE_FUNC(UpsampleBgraLinePair, YuvToBgra, 4) +#if !defined(WEBP_REDUCE_CSP) +UPSAMPLE_FUNC(UpsampleRgbLinePair, YuvToRgb, 3) +UPSAMPLE_FUNC(UpsampleBgrLinePair, YuvToBgr, 3) +UPSAMPLE_FUNC(UpsampleArgbLinePair, YuvToArgb, 4) +UPSAMPLE_FUNC(UpsampleRgba4444LinePair, YuvToRgba4444, 2) +UPSAMPLE_FUNC(UpsampleRgb565LinePair, YuvToRgb565, 2) +#endif // WEBP_REDUCE_CSP + +//------------------------------------------------------------------------------ +// Entry point + +extern WebPUpsampleLinePairFunc WebPUpsamplers[/* MODE_LAST */]; + +extern void WebPInitUpsamplersMSA(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplersMSA(void) { + WebPUpsamplers[MODE_RGBA] = UpsampleRgbaLinePair; + WebPUpsamplers[MODE_BGRA] = UpsampleBgraLinePair; + WebPUpsamplers[MODE_rgbA] = UpsampleRgbaLinePair; + WebPUpsamplers[MODE_bgrA] = UpsampleBgraLinePair; +#if !defined(WEBP_REDUCE_CSP) + WebPUpsamplers[MODE_RGB] = UpsampleRgbLinePair; + WebPUpsamplers[MODE_BGR] = UpsampleBgrLinePair; + WebPUpsamplers[MODE_ARGB] = UpsampleArgbLinePair; + WebPUpsamplers[MODE_Argb] = UpsampleArgbLinePair; + WebPUpsamplers[MODE_RGB_565] = UpsampleRgb565LinePair; + WebPUpsamplers[MODE_RGBA_4444] = UpsampleRgba4444LinePair; + WebPUpsamplers[MODE_rgbA_4444] = UpsampleRgba4444LinePair; +#endif // WEBP_REDUCE_CSP +} + +#endif // FANCY_UPSAMPLING + +#endif // WEBP_USE_MSA + +#if !(defined(FANCY_UPSAMPLING) && defined(WEBP_USE_MSA)) +WEBP_DSP_INIT_STUB(WebPInitUpsamplersMSA) +#endif diff --git a/ProductApp/Pods/libwebp/src/dsp/upsampling_neon.c b/ProductApp/Pods/libwebp/src/dsp/upsampling_neon.c new file mode 100644 index 0000000..bbc000c --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/upsampling_neon.c @@ -0,0 +1,285 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// NEON version of YUV to RGB upsampling functions. +// +// Author: mans@mansr.com (Mans Rullgard) +// Based on SSE code by: somnath@google.com (Somnath Banerjee) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_NEON) + +#include +#include +#include +#include "src/dsp/neon.h" +#include "src/dsp/yuv.h" + +#ifdef FANCY_UPSAMPLING + +//----------------------------------------------------------------------------- +// U/V upsampling + +// Loads 9 pixels each from rows r1 and r2 and generates 16 pixels. +#define UPSAMPLE_16PIXELS(r1, r2, out) do { \ + const uint8x8_t a = vld1_u8(r1 + 0); \ + const uint8x8_t b = vld1_u8(r1 + 1); \ + const uint8x8_t c = vld1_u8(r2 + 0); \ + const uint8x8_t d = vld1_u8(r2 + 1); \ + /* a + b + c + d */ \ + const uint16x8_t ad = vaddl_u8(a, d); \ + const uint16x8_t bc = vaddl_u8(b, c); \ + const uint16x8_t abcd = vaddq_u16(ad, bc); \ + /* 3a + b + c + 3d */ \ + const uint16x8_t al = vaddq_u16(abcd, vshlq_n_u16(ad, 1)); \ + /* a + 3b + 3c + d */ \ + const uint16x8_t bl = vaddq_u16(abcd, vshlq_n_u16(bc, 1)); \ + \ + const uint8x8_t diag2 = vshrn_n_u16(al, 3); \ + const uint8x8_t diag1 = vshrn_n_u16(bl, 3); \ + \ + const uint8x8_t A = vrhadd_u8(a, diag1); \ + const uint8x8_t B = vrhadd_u8(b, diag2); \ + const uint8x8_t C = vrhadd_u8(c, diag2); \ + const uint8x8_t D = vrhadd_u8(d, diag1); \ + \ + uint8x8x2_t A_B, C_D; \ + INIT_VECTOR2(A_B, A, B); \ + INIT_VECTOR2(C_D, C, D); \ + vst2_u8(out + 0, A_B); \ + vst2_u8(out + 32, C_D); \ +} while (0) + +// Turn the macro into a function for reducing code-size when non-critical +static void Upsample16Pixels_NEON(const uint8_t* r1, const uint8_t* r2, + uint8_t* out) { + UPSAMPLE_16PIXELS(r1, r2, out); +} + +#define UPSAMPLE_LAST_BLOCK(tb, bb, num_pixels, out) { \ + uint8_t r1[9], r2[9]; \ + memcpy(r1, (tb), (num_pixels)); \ + memcpy(r2, (bb), (num_pixels)); \ + /* replicate last byte */ \ + memset(r1 + (num_pixels), r1[(num_pixels) - 1], 9 - (num_pixels)); \ + memset(r2 + (num_pixels), r2[(num_pixels) - 1], 9 - (num_pixels)); \ + Upsample16Pixels_NEON(r1, r2, out); \ +} + +//----------------------------------------------------------------------------- +// YUV->RGB conversion + +// note: we represent the 33050 large constant as 32768 + 282 +static const int16_t kCoeffs1[4] = { 19077, 26149, 6419, 13320 }; + +#define v255 vdup_n_u8(255) + +#define STORE_Rgb(out, r, g, b) do { \ + uint8x8x3_t r_g_b; \ + INIT_VECTOR3(r_g_b, r, g, b); \ + vst3_u8(out, r_g_b); \ +} while (0) + +#define STORE_Bgr(out, r, g, b) do { \ + uint8x8x3_t b_g_r; \ + INIT_VECTOR3(b_g_r, b, g, r); \ + vst3_u8(out, b_g_r); \ +} while (0) + +#define STORE_Rgba(out, r, g, b) do { \ + uint8x8x4_t r_g_b_v255; \ + INIT_VECTOR4(r_g_b_v255, r, g, b, v255); \ + vst4_u8(out, r_g_b_v255); \ +} while (0) + +#define STORE_Bgra(out, r, g, b) do { \ + uint8x8x4_t b_g_r_v255; \ + INIT_VECTOR4(b_g_r_v255, b, g, r, v255); \ + vst4_u8(out, b_g_r_v255); \ +} while (0) + +#define STORE_Argb(out, r, g, b) do { \ + uint8x8x4_t v255_r_g_b; \ + INIT_VECTOR4(v255_r_g_b, v255, r, g, b); \ + vst4_u8(out, v255_r_g_b); \ +} while (0) + +#if (WEBP_SWAP_16BIT_CSP == 0) +#define ZIP_U8(lo, hi) vzip_u8((lo), (hi)) +#else +#define ZIP_U8(lo, hi) vzip_u8((hi), (lo)) +#endif + +#define STORE_Rgba4444(out, r, g, b) do { \ + const uint8x8_t rg = vsri_n_u8(r, g, 4); /* shift g, insert r */ \ + const uint8x8_t ba = vsri_n_u8(b, v255, 4); /* shift a, insert b */ \ + const uint8x8x2_t rgba4444 = ZIP_U8(rg, ba); \ + vst1q_u8(out, vcombine_u8(rgba4444.val[0], rgba4444.val[1])); \ +} while (0) + +#define STORE_Rgb565(out, r, g, b) do { \ + const uint8x8_t rg = vsri_n_u8(r, g, 5); /* shift g and insert r */ \ + const uint8x8_t g1 = vshl_n_u8(g, 3); /* pre-shift g: 3bits */ \ + const uint8x8_t gb = vsri_n_u8(g1, b, 3); /* shift b and insert g */ \ + const uint8x8x2_t rgb565 = ZIP_U8(rg, gb); \ + vst1q_u8(out, vcombine_u8(rgb565.val[0], rgb565.val[1])); \ +} while (0) + +#define CONVERT8(FMT, XSTEP, N, src_y, src_uv, out, cur_x) do { \ + int i; \ + for (i = 0; i < N; i += 8) { \ + const int off = ((cur_x) + i) * XSTEP; \ + const uint8x8_t y = vld1_u8((src_y) + (cur_x) + i); \ + const uint8x8_t u = vld1_u8((src_uv) + i + 0); \ + const uint8x8_t v = vld1_u8((src_uv) + i + 16); \ + const int16x8_t Y0 = vreinterpretq_s16_u16(vshll_n_u8(y, 7)); \ + const int16x8_t U0 = vreinterpretq_s16_u16(vshll_n_u8(u, 7)); \ + const int16x8_t V0 = vreinterpretq_s16_u16(vshll_n_u8(v, 7)); \ + const int16x8_t Y1 = vqdmulhq_lane_s16(Y0, coeff1, 0); \ + const int16x8_t R0 = vqdmulhq_lane_s16(V0, coeff1, 1); \ + const int16x8_t G0 = vqdmulhq_lane_s16(U0, coeff1, 2); \ + const int16x8_t G1 = vqdmulhq_lane_s16(V0, coeff1, 3); \ + const int16x8_t B0 = vqdmulhq_n_s16(U0, 282); \ + const int16x8_t R1 = vqaddq_s16(Y1, R_Rounder); \ + const int16x8_t G2 = vqaddq_s16(Y1, G_Rounder); \ + const int16x8_t B1 = vqaddq_s16(Y1, B_Rounder); \ + const int16x8_t R2 = vqaddq_s16(R0, R1); \ + const int16x8_t G3 = vqaddq_s16(G0, G1); \ + const int16x8_t B2 = vqaddq_s16(B0, B1); \ + const int16x8_t G4 = vqsubq_s16(G2, G3); \ + const int16x8_t B3 = vqaddq_s16(B2, U0); \ + const uint8x8_t R = vqshrun_n_s16(R2, YUV_FIX2); \ + const uint8x8_t G = vqshrun_n_s16(G4, YUV_FIX2); \ + const uint8x8_t B = vqshrun_n_s16(B3, YUV_FIX2); \ + STORE_ ## FMT(out + off, R, G, B); \ + } \ +} while (0) + +#define CONVERT1(FUNC, XSTEP, N, src_y, src_uv, rgb, cur_x) { \ + int i; \ + for (i = 0; i < N; i++) { \ + const int off = ((cur_x) + i) * XSTEP; \ + const int y = src_y[(cur_x) + i]; \ + const int u = (src_uv)[i]; \ + const int v = (src_uv)[i + 16]; \ + FUNC(y, u, v, rgb + off); \ + } \ +} + +#define CONVERT2RGB_8(FMT, XSTEP, top_y, bottom_y, uv, \ + top_dst, bottom_dst, cur_x, len) { \ + CONVERT8(FMT, XSTEP, len, top_y, uv, top_dst, cur_x); \ + if (bottom_y != NULL) { \ + CONVERT8(FMT, XSTEP, len, bottom_y, (uv) + 32, bottom_dst, cur_x); \ + } \ +} + +#define CONVERT2RGB_1(FUNC, XSTEP, top_y, bottom_y, uv, \ + top_dst, bottom_dst, cur_x, len) { \ + CONVERT1(FUNC, XSTEP, len, top_y, uv, top_dst, cur_x); \ + if (bottom_y != NULL) { \ + CONVERT1(FUNC, XSTEP, len, bottom_y, (uv) + 32, bottom_dst, cur_x); \ + } \ +} + +#define NEON_UPSAMPLE_FUNC(FUNC_NAME, FMT, XSTEP) \ +static void FUNC_NAME(const uint8_t* top_y, const uint8_t* bottom_y, \ + const uint8_t* top_u, const uint8_t* top_v, \ + const uint8_t* cur_u, const uint8_t* cur_v, \ + uint8_t* top_dst, uint8_t* bottom_dst, int len) { \ + int block; \ + /* 16 byte aligned array to cache reconstructed u and v */ \ + uint8_t uv_buf[2 * 32 + 15]; \ + uint8_t* const r_uv = (uint8_t*)((uintptr_t)(uv_buf + 15) & ~15); \ + const int uv_len = (len + 1) >> 1; \ + /* 9 pixels must be read-able for each block */ \ + const int num_blocks = (uv_len - 1) >> 3; \ + const int leftover = uv_len - num_blocks * 8; \ + const int last_pos = 1 + 16 * num_blocks; \ + \ + const int u_diag = ((top_u[0] + cur_u[0]) >> 1) + 1; \ + const int v_diag = ((top_v[0] + cur_v[0]) >> 1) + 1; \ + \ + const int16x4_t coeff1 = vld1_s16(kCoeffs1); \ + const int16x8_t R_Rounder = vdupq_n_s16(-14234); \ + const int16x8_t G_Rounder = vdupq_n_s16(8708); \ + const int16x8_t B_Rounder = vdupq_n_s16(-17685); \ + \ + /* Treat the first pixel in regular way */ \ + assert(top_y != NULL); \ + { \ + const int u0 = (top_u[0] + u_diag) >> 1; \ + const int v0 = (top_v[0] + v_diag) >> 1; \ + VP8YuvTo ## FMT(top_y[0], u0, v0, top_dst); \ + } \ + if (bottom_y != NULL) { \ + const int u0 = (cur_u[0] + u_diag) >> 1; \ + const int v0 = (cur_v[0] + v_diag) >> 1; \ + VP8YuvTo ## FMT(bottom_y[0], u0, v0, bottom_dst); \ + } \ + \ + for (block = 0; block < num_blocks; ++block) { \ + UPSAMPLE_16PIXELS(top_u, cur_u, r_uv); \ + UPSAMPLE_16PIXELS(top_v, cur_v, r_uv + 16); \ + CONVERT2RGB_8(FMT, XSTEP, top_y, bottom_y, r_uv, \ + top_dst, bottom_dst, 16 * block + 1, 16); \ + top_u += 8; \ + cur_u += 8; \ + top_v += 8; \ + cur_v += 8; \ + } \ + \ + UPSAMPLE_LAST_BLOCK(top_u, cur_u, leftover, r_uv); \ + UPSAMPLE_LAST_BLOCK(top_v, cur_v, leftover, r_uv + 16); \ + CONVERT2RGB_1(VP8YuvTo ## FMT, XSTEP, top_y, bottom_y, r_uv, \ + top_dst, bottom_dst, last_pos, len - last_pos); \ +} + +// NEON variants of the fancy upsampler. +NEON_UPSAMPLE_FUNC(UpsampleRgbaLinePair_NEON, Rgba, 4) +NEON_UPSAMPLE_FUNC(UpsampleBgraLinePair_NEON, Bgra, 4) +#if !defined(WEBP_REDUCE_CSP) +NEON_UPSAMPLE_FUNC(UpsampleRgbLinePair_NEON, Rgb, 3) +NEON_UPSAMPLE_FUNC(UpsampleBgrLinePair_NEON, Bgr, 3) +NEON_UPSAMPLE_FUNC(UpsampleArgbLinePair_NEON, Argb, 4) +NEON_UPSAMPLE_FUNC(UpsampleRgba4444LinePair_NEON, Rgba4444, 2) +NEON_UPSAMPLE_FUNC(UpsampleRgb565LinePair_NEON, Rgb565, 2) +#endif // WEBP_REDUCE_CSP + +//------------------------------------------------------------------------------ +// Entry point + +extern WebPUpsampleLinePairFunc WebPUpsamplers[/* MODE_LAST */]; + +extern void WebPInitUpsamplersNEON(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplersNEON(void) { + WebPUpsamplers[MODE_RGBA] = UpsampleRgbaLinePair_NEON; + WebPUpsamplers[MODE_BGRA] = UpsampleBgraLinePair_NEON; + WebPUpsamplers[MODE_rgbA] = UpsampleRgbaLinePair_NEON; + WebPUpsamplers[MODE_bgrA] = UpsampleBgraLinePair_NEON; +#if !defined(WEBP_REDUCE_CSP) + WebPUpsamplers[MODE_RGB] = UpsampleRgbLinePair_NEON; + WebPUpsamplers[MODE_BGR] = UpsampleBgrLinePair_NEON; + WebPUpsamplers[MODE_ARGB] = UpsampleArgbLinePair_NEON; + WebPUpsamplers[MODE_Argb] = UpsampleArgbLinePair_NEON; + WebPUpsamplers[MODE_RGB_565] = UpsampleRgb565LinePair_NEON; + WebPUpsamplers[MODE_RGBA_4444] = UpsampleRgba4444LinePair_NEON; + WebPUpsamplers[MODE_rgbA_4444] = UpsampleRgba4444LinePair_NEON; +#endif // WEBP_REDUCE_CSP +} + +#endif // FANCY_UPSAMPLING + +#endif // WEBP_USE_NEON + +#if !(defined(FANCY_UPSAMPLING) && defined(WEBP_USE_NEON)) +WEBP_DSP_INIT_STUB(WebPInitUpsamplersNEON) +#endif diff --git a/ProductApp/Pods/libwebp/src/dsp/upsampling_sse2.c b/ProductApp/Pods/libwebp/src/dsp/upsampling_sse2.c new file mode 100644 index 0000000..08b6d0b --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/upsampling_sse2.c @@ -0,0 +1,267 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// SSE2 version of YUV to RGB upsampling functions. +// +// Author: somnath@google.com (Somnath Banerjee) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_SSE2) + +#include +#include +#include +#include "src/dsp/yuv.h" + +#ifdef FANCY_UPSAMPLING + +// We compute (9*a + 3*b + 3*c + d + 8) / 16 as follows +// u = (9*a + 3*b + 3*c + d + 8) / 16 +// = (a + (a + 3*b + 3*c + d) / 8 + 1) / 2 +// = (a + m + 1) / 2 +// where m = (a + 3*b + 3*c + d) / 8 +// = ((a + b + c + d) / 2 + b + c) / 4 +// +// Let's say k = (a + b + c + d) / 4. +// We can compute k as +// k = (s + t + 1) / 2 - ((a^d) | (b^c) | (s^t)) & 1 +// where s = (a + d + 1) / 2 and t = (b + c + 1) / 2 +// +// Then m can be written as +// m = (k + t + 1) / 2 - (((b^c) & (s^t)) | (k^t)) & 1 + +// Computes out = (k + in + 1) / 2 - ((ij & (s^t)) | (k^in)) & 1 +#define GET_M(ij, in, out) do { \ + const __m128i tmp0 = _mm_avg_epu8(k, (in)); /* (k + in + 1) / 2 */ \ + const __m128i tmp1 = _mm_and_si128((ij), st); /* (ij) & (s^t) */ \ + const __m128i tmp2 = _mm_xor_si128(k, (in)); /* (k^in) */ \ + const __m128i tmp3 = _mm_or_si128(tmp1, tmp2); /* ((ij) & (s^t)) | (k^in) */\ + const __m128i tmp4 = _mm_and_si128(tmp3, one); /* & 1 -> lsb_correction */ \ + (out) = _mm_sub_epi8(tmp0, tmp4); /* (k + in + 1) / 2 - lsb_correction */ \ +} while (0) + +// pack and store two alternating pixel rows +#define PACK_AND_STORE(a, b, da, db, out) do { \ + const __m128i t_a = _mm_avg_epu8(a, da); /* (9a + 3b + 3c + d + 8) / 16 */ \ + const __m128i t_b = _mm_avg_epu8(b, db); /* (3a + 9b + c + 3d + 8) / 16 */ \ + const __m128i t_1 = _mm_unpacklo_epi8(t_a, t_b); \ + const __m128i t_2 = _mm_unpackhi_epi8(t_a, t_b); \ + _mm_store_si128(((__m128i*)(out)) + 0, t_1); \ + _mm_store_si128(((__m128i*)(out)) + 1, t_2); \ +} while (0) + +// Loads 17 pixels each from rows r1 and r2 and generates 32 pixels. +#define UPSAMPLE_32PIXELS(r1, r2, out) { \ + const __m128i one = _mm_set1_epi8(1); \ + const __m128i a = _mm_loadu_si128((const __m128i*)&(r1)[0]); \ + const __m128i b = _mm_loadu_si128((const __m128i*)&(r1)[1]); \ + const __m128i c = _mm_loadu_si128((const __m128i*)&(r2)[0]); \ + const __m128i d = _mm_loadu_si128((const __m128i*)&(r2)[1]); \ + \ + const __m128i s = _mm_avg_epu8(a, d); /* s = (a + d + 1) / 2 */ \ + const __m128i t = _mm_avg_epu8(b, c); /* t = (b + c + 1) / 2 */ \ + const __m128i st = _mm_xor_si128(s, t); /* st = s^t */ \ + \ + const __m128i ad = _mm_xor_si128(a, d); /* ad = a^d */ \ + const __m128i bc = _mm_xor_si128(b, c); /* bc = b^c */ \ + \ + const __m128i t1 = _mm_or_si128(ad, bc); /* (a^d) | (b^c) */ \ + const __m128i t2 = _mm_or_si128(t1, st); /* (a^d) | (b^c) | (s^t) */ \ + const __m128i t3 = _mm_and_si128(t2, one); /* (a^d) | (b^c) | (s^t) & 1 */ \ + const __m128i t4 = _mm_avg_epu8(s, t); \ + const __m128i k = _mm_sub_epi8(t4, t3); /* k = (a + b + c + d) / 4 */ \ + __m128i diag1, diag2; \ + \ + GET_M(bc, t, diag1); /* diag1 = (a + 3b + 3c + d) / 8 */ \ + GET_M(ad, s, diag2); /* diag2 = (3a + b + c + 3d) / 8 */ \ + \ + /* pack the alternate pixels */ \ + PACK_AND_STORE(a, b, diag1, diag2, (out) + 0); /* store top */ \ + PACK_AND_STORE(c, d, diag2, diag1, (out) + 2 * 32); /* store bottom */ \ +} + +// Turn the macro into a function for reducing code-size when non-critical +static void Upsample32Pixels_SSE2(const uint8_t r1[], const uint8_t r2[], + uint8_t* const out) { + UPSAMPLE_32PIXELS(r1, r2, out); +} + +#define UPSAMPLE_LAST_BLOCK(tb, bb, num_pixels, out) { \ + uint8_t r1[17], r2[17]; \ + memcpy(r1, (tb), (num_pixels)); \ + memcpy(r2, (bb), (num_pixels)); \ + /* replicate last byte */ \ + memset(r1 + (num_pixels), r1[(num_pixels) - 1], 17 - (num_pixels)); \ + memset(r2 + (num_pixels), r2[(num_pixels) - 1], 17 - (num_pixels)); \ + /* using the shared function instead of the macro saves ~3k code size */ \ + Upsample32Pixels_SSE2(r1, r2, out); \ +} + +#define CONVERT2RGB_32(FUNC, XSTEP, top_y, bottom_y, \ + top_dst, bottom_dst, cur_x) do { \ + FUNC##32_SSE2((top_y) + (cur_x), r_u, r_v, (top_dst) + (cur_x) * (XSTEP)); \ + if ((bottom_y) != NULL) { \ + FUNC##32_SSE2((bottom_y) + (cur_x), r_u + 64, r_v + 64, \ + (bottom_dst) + (cur_x) * (XSTEP)); \ + } \ +} while (0) + +#define SSE2_UPSAMPLE_FUNC(FUNC_NAME, FUNC, XSTEP) \ +static void FUNC_NAME(const uint8_t* top_y, const uint8_t* bottom_y, \ + const uint8_t* top_u, const uint8_t* top_v, \ + const uint8_t* cur_u, const uint8_t* cur_v, \ + uint8_t* top_dst, uint8_t* bottom_dst, int len) { \ + int uv_pos, pos; \ + /* 16byte-aligned array to cache reconstructed u and v */ \ + uint8_t uv_buf[14 * 32 + 15] = { 0 }; \ + uint8_t* const r_u = (uint8_t*)((uintptr_t)(uv_buf + 15) & ~(uintptr_t)15); \ + uint8_t* const r_v = r_u + 32; \ + \ + assert(top_y != NULL); \ + { /* Treat the first pixel in regular way */ \ + const int u_diag = ((top_u[0] + cur_u[0]) >> 1) + 1; \ + const int v_diag = ((top_v[0] + cur_v[0]) >> 1) + 1; \ + const int u0_t = (top_u[0] + u_diag) >> 1; \ + const int v0_t = (top_v[0] + v_diag) >> 1; \ + FUNC(top_y[0], u0_t, v0_t, top_dst); \ + if (bottom_y != NULL) { \ + const int u0_b = (cur_u[0] + u_diag) >> 1; \ + const int v0_b = (cur_v[0] + v_diag) >> 1; \ + FUNC(bottom_y[0], u0_b, v0_b, bottom_dst); \ + } \ + } \ + /* For UPSAMPLE_32PIXELS, 17 u/v values must be read-able for each block */ \ + for (pos = 1, uv_pos = 0; pos + 32 + 1 <= len; pos += 32, uv_pos += 16) { \ + UPSAMPLE_32PIXELS(top_u + uv_pos, cur_u + uv_pos, r_u); \ + UPSAMPLE_32PIXELS(top_v + uv_pos, cur_v + uv_pos, r_v); \ + CONVERT2RGB_32(FUNC, XSTEP, top_y, bottom_y, top_dst, bottom_dst, pos); \ + } \ + if (len > 1) { \ + const int left_over = ((len + 1) >> 1) - (pos >> 1); \ + uint8_t* const tmp_top_dst = r_u + 4 * 32; \ + uint8_t* const tmp_bottom_dst = tmp_top_dst + 4 * 32; \ + uint8_t* const tmp_top = tmp_bottom_dst + 4 * 32; \ + uint8_t* const tmp_bottom = (bottom_y == NULL) ? NULL : tmp_top + 32; \ + assert(left_over > 0); \ + UPSAMPLE_LAST_BLOCK(top_u + uv_pos, cur_u + uv_pos, left_over, r_u); \ + UPSAMPLE_LAST_BLOCK(top_v + uv_pos, cur_v + uv_pos, left_over, r_v); \ + memcpy(tmp_top, top_y + pos, len - pos); \ + if (bottom_y != NULL) memcpy(tmp_bottom, bottom_y + pos, len - pos); \ + CONVERT2RGB_32(FUNC, XSTEP, tmp_top, tmp_bottom, tmp_top_dst, \ + tmp_bottom_dst, 0); \ + memcpy(top_dst + pos * (XSTEP), tmp_top_dst, (len - pos) * (XSTEP)); \ + if (bottom_y != NULL) { \ + memcpy(bottom_dst + pos * (XSTEP), tmp_bottom_dst, \ + (len - pos) * (XSTEP)); \ + } \ + } \ +} + +// SSE2 variants of the fancy upsampler. +SSE2_UPSAMPLE_FUNC(UpsampleRgbaLinePair_SSE2, VP8YuvToRgba, 4) +SSE2_UPSAMPLE_FUNC(UpsampleBgraLinePair_SSE2, VP8YuvToBgra, 4) + +#if !defined(WEBP_REDUCE_CSP) +SSE2_UPSAMPLE_FUNC(UpsampleRgbLinePair_SSE2, VP8YuvToRgb, 3) +SSE2_UPSAMPLE_FUNC(UpsampleBgrLinePair_SSE2, VP8YuvToBgr, 3) +SSE2_UPSAMPLE_FUNC(UpsampleArgbLinePair_SSE2, VP8YuvToArgb, 4) +SSE2_UPSAMPLE_FUNC(UpsampleRgba4444LinePair_SSE2, VP8YuvToRgba4444, 2) +SSE2_UPSAMPLE_FUNC(UpsampleRgb565LinePair_SSE2, VP8YuvToRgb565, 2) +#endif // WEBP_REDUCE_CSP + +#undef GET_M +#undef PACK_AND_STORE +#undef UPSAMPLE_32PIXELS +#undef UPSAMPLE_LAST_BLOCK +#undef CONVERT2RGB +#undef CONVERT2RGB_32 +#undef SSE2_UPSAMPLE_FUNC + +//------------------------------------------------------------------------------ +// Entry point + +extern WebPUpsampleLinePairFunc WebPUpsamplers[/* MODE_LAST */]; + +extern void WebPInitUpsamplersSSE2(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplersSSE2(void) { + WebPUpsamplers[MODE_RGBA] = UpsampleRgbaLinePair_SSE2; + WebPUpsamplers[MODE_BGRA] = UpsampleBgraLinePair_SSE2; + WebPUpsamplers[MODE_rgbA] = UpsampleRgbaLinePair_SSE2; + WebPUpsamplers[MODE_bgrA] = UpsampleBgraLinePair_SSE2; +#if !defined(WEBP_REDUCE_CSP) + WebPUpsamplers[MODE_RGB] = UpsampleRgbLinePair_SSE2; + WebPUpsamplers[MODE_BGR] = UpsampleBgrLinePair_SSE2; + WebPUpsamplers[MODE_ARGB] = UpsampleArgbLinePair_SSE2; + WebPUpsamplers[MODE_Argb] = UpsampleArgbLinePair_SSE2; + WebPUpsamplers[MODE_RGB_565] = UpsampleRgb565LinePair_SSE2; + WebPUpsamplers[MODE_RGBA_4444] = UpsampleRgba4444LinePair_SSE2; + WebPUpsamplers[MODE_rgbA_4444] = UpsampleRgba4444LinePair_SSE2; +#endif // WEBP_REDUCE_CSP +} + +#endif // FANCY_UPSAMPLING + +//------------------------------------------------------------------------------ + +extern WebPYUV444Converter WebPYUV444Converters[/* MODE_LAST */]; +extern void WebPInitYUV444ConvertersSSE2(void); + +#define YUV444_FUNC(FUNC_NAME, CALL, CALL_C, XSTEP) \ +extern void CALL_C(const uint8_t* y, const uint8_t* u, const uint8_t* v, \ + uint8_t* dst, int len); \ +static void FUNC_NAME(const uint8_t* y, const uint8_t* u, const uint8_t* v, \ + uint8_t* dst, int len) { \ + int i; \ + const int max_len = len & ~31; \ + for (i = 0; i < max_len; i += 32) { \ + CALL(y + i, u + i, v + i, dst + i * (XSTEP)); \ + } \ + if (i < len) { /* C-fallback */ \ + CALL_C(y + i, u + i, v + i, dst + i * (XSTEP), len - i); \ + } \ +} + +YUV444_FUNC(Yuv444ToRgba_SSE2, VP8YuvToRgba32_SSE2, WebPYuv444ToRgba_C, 4); +YUV444_FUNC(Yuv444ToBgra_SSE2, VP8YuvToBgra32_SSE2, WebPYuv444ToBgra_C, 4); +#if !defined(WEBP_REDUCE_CSP) +YUV444_FUNC(Yuv444ToRgb_SSE2, VP8YuvToRgb32_SSE2, WebPYuv444ToRgb_C, 3); +YUV444_FUNC(Yuv444ToBgr_SSE2, VP8YuvToBgr32_SSE2, WebPYuv444ToBgr_C, 3); +YUV444_FUNC(Yuv444ToArgb_SSE2, VP8YuvToArgb32_SSE2, WebPYuv444ToArgb_C, 4) +YUV444_FUNC(Yuv444ToRgba4444_SSE2, VP8YuvToRgba444432_SSE2, \ + WebPYuv444ToRgba4444_C, 2) +YUV444_FUNC(Yuv444ToRgb565_SSE2, VP8YuvToRgb56532_SSE2, WebPYuv444ToRgb565_C, 2) +#endif // WEBP_REDUCE_CSP + +WEBP_TSAN_IGNORE_FUNCTION void WebPInitYUV444ConvertersSSE2(void) { + WebPYUV444Converters[MODE_RGBA] = Yuv444ToRgba_SSE2; + WebPYUV444Converters[MODE_BGRA] = Yuv444ToBgra_SSE2; + WebPYUV444Converters[MODE_rgbA] = Yuv444ToRgba_SSE2; + WebPYUV444Converters[MODE_bgrA] = Yuv444ToBgra_SSE2; +#if !defined(WEBP_REDUCE_CSP) + WebPYUV444Converters[MODE_RGB] = Yuv444ToRgb_SSE2; + WebPYUV444Converters[MODE_BGR] = Yuv444ToBgr_SSE2; + WebPYUV444Converters[MODE_ARGB] = Yuv444ToArgb_SSE2; + WebPYUV444Converters[MODE_RGBA_4444] = Yuv444ToRgba4444_SSE2; + WebPYUV444Converters[MODE_RGB_565] = Yuv444ToRgb565_SSE2; + WebPYUV444Converters[MODE_Argb] = Yuv444ToArgb_SSE2; + WebPYUV444Converters[MODE_rgbA_4444] = Yuv444ToRgba4444_SSE2; +#endif // WEBP_REDUCE_CSP +} + +#else + +WEBP_DSP_INIT_STUB(WebPInitYUV444ConvertersSSE2) + +#endif // WEBP_USE_SSE2 + +#if !(defined(FANCY_UPSAMPLING) && defined(WEBP_USE_SSE2)) +WEBP_DSP_INIT_STUB(WebPInitUpsamplersSSE2) +#endif diff --git a/ProductApp/Pods/libwebp/src/dsp/upsampling_sse41.c b/ProductApp/Pods/libwebp/src/dsp/upsampling_sse41.c new file mode 100644 index 0000000..648d456 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/upsampling_sse41.c @@ -0,0 +1,239 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// SSE41 version of YUV to RGB upsampling functions. +// +// Author: somnath@google.com (Somnath Banerjee) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_SSE41) + +#include +#include +#include +#include "src/dsp/yuv.h" + +#ifdef FANCY_UPSAMPLING + +#if !defined(WEBP_REDUCE_CSP) + +// We compute (9*a + 3*b + 3*c + d + 8) / 16 as follows +// u = (9*a + 3*b + 3*c + d + 8) / 16 +// = (a + (a + 3*b + 3*c + d) / 8 + 1) / 2 +// = (a + m + 1) / 2 +// where m = (a + 3*b + 3*c + d) / 8 +// = ((a + b + c + d) / 2 + b + c) / 4 +// +// Let's say k = (a + b + c + d) / 4. +// We can compute k as +// k = (s + t + 1) / 2 - ((a^d) | (b^c) | (s^t)) & 1 +// where s = (a + d + 1) / 2 and t = (b + c + 1) / 2 +// +// Then m can be written as +// m = (k + t + 1) / 2 - (((b^c) & (s^t)) | (k^t)) & 1 + +// Computes out = (k + in + 1) / 2 - ((ij & (s^t)) | (k^in)) & 1 +#define GET_M(ij, in, out) do { \ + const __m128i tmp0 = _mm_avg_epu8(k, (in)); /* (k + in + 1) / 2 */ \ + const __m128i tmp1 = _mm_and_si128((ij), st); /* (ij) & (s^t) */ \ + const __m128i tmp2 = _mm_xor_si128(k, (in)); /* (k^in) */ \ + const __m128i tmp3 = _mm_or_si128(tmp1, tmp2); /* ((ij) & (s^t)) | (k^in) */\ + const __m128i tmp4 = _mm_and_si128(tmp3, one); /* & 1 -> lsb_correction */ \ + (out) = _mm_sub_epi8(tmp0, tmp4); /* (k + in + 1) / 2 - lsb_correction */ \ +} while (0) + +// pack and store two alternating pixel rows +#define PACK_AND_STORE(a, b, da, db, out) do { \ + const __m128i t_a = _mm_avg_epu8(a, da); /* (9a + 3b + 3c + d + 8) / 16 */ \ + const __m128i t_b = _mm_avg_epu8(b, db); /* (3a + 9b + c + 3d + 8) / 16 */ \ + const __m128i t_1 = _mm_unpacklo_epi8(t_a, t_b); \ + const __m128i t_2 = _mm_unpackhi_epi8(t_a, t_b); \ + _mm_store_si128(((__m128i*)(out)) + 0, t_1); \ + _mm_store_si128(((__m128i*)(out)) + 1, t_2); \ +} while (0) + +// Loads 17 pixels each from rows r1 and r2 and generates 32 pixels. +#define UPSAMPLE_32PIXELS(r1, r2, out) { \ + const __m128i one = _mm_set1_epi8(1); \ + const __m128i a = _mm_loadu_si128((const __m128i*)&(r1)[0]); \ + const __m128i b = _mm_loadu_si128((const __m128i*)&(r1)[1]); \ + const __m128i c = _mm_loadu_si128((const __m128i*)&(r2)[0]); \ + const __m128i d = _mm_loadu_si128((const __m128i*)&(r2)[1]); \ + \ + const __m128i s = _mm_avg_epu8(a, d); /* s = (a + d + 1) / 2 */ \ + const __m128i t = _mm_avg_epu8(b, c); /* t = (b + c + 1) / 2 */ \ + const __m128i st = _mm_xor_si128(s, t); /* st = s^t */ \ + \ + const __m128i ad = _mm_xor_si128(a, d); /* ad = a^d */ \ + const __m128i bc = _mm_xor_si128(b, c); /* bc = b^c */ \ + \ + const __m128i t1 = _mm_or_si128(ad, bc); /* (a^d) | (b^c) */ \ + const __m128i t2 = _mm_or_si128(t1, st); /* (a^d) | (b^c) | (s^t) */ \ + const __m128i t3 = _mm_and_si128(t2, one); /* (a^d) | (b^c) | (s^t) & 1 */ \ + const __m128i t4 = _mm_avg_epu8(s, t); \ + const __m128i k = _mm_sub_epi8(t4, t3); /* k = (a + b + c + d) / 4 */ \ + __m128i diag1, diag2; \ + \ + GET_M(bc, t, diag1); /* diag1 = (a + 3b + 3c + d) / 8 */ \ + GET_M(ad, s, diag2); /* diag2 = (3a + b + c + 3d) / 8 */ \ + \ + /* pack the alternate pixels */ \ + PACK_AND_STORE(a, b, diag1, diag2, (out) + 0); /* store top */ \ + PACK_AND_STORE(c, d, diag2, diag1, (out) + 2 * 32); /* store bottom */ \ +} + +// Turn the macro into a function for reducing code-size when non-critical +static void Upsample32Pixels_SSE41(const uint8_t r1[], const uint8_t r2[], + uint8_t* const out) { + UPSAMPLE_32PIXELS(r1, r2, out); +} + +#define UPSAMPLE_LAST_BLOCK(tb, bb, num_pixels, out) { \ + uint8_t r1[17], r2[17]; \ + memcpy(r1, (tb), (num_pixels)); \ + memcpy(r2, (bb), (num_pixels)); \ + /* replicate last byte */ \ + memset(r1 + (num_pixels), r1[(num_pixels) - 1], 17 - (num_pixels)); \ + memset(r2 + (num_pixels), r2[(num_pixels) - 1], 17 - (num_pixels)); \ + /* using the shared function instead of the macro saves ~3k code size */ \ + Upsample32Pixels_SSE41(r1, r2, out); \ +} + +#define CONVERT2RGB_32(FUNC, XSTEP, top_y, bottom_y, \ + top_dst, bottom_dst, cur_x) do { \ + FUNC##32_SSE41((top_y) + (cur_x), r_u, r_v, (top_dst) + (cur_x) * (XSTEP)); \ + if ((bottom_y) != NULL) { \ + FUNC##32_SSE41((bottom_y) + (cur_x), r_u + 64, r_v + 64, \ + (bottom_dst) + (cur_x) * (XSTEP)); \ + } \ +} while (0) + +#define SSE4_UPSAMPLE_FUNC(FUNC_NAME, FUNC, XSTEP) \ +static void FUNC_NAME(const uint8_t* top_y, const uint8_t* bottom_y, \ + const uint8_t* top_u, const uint8_t* top_v, \ + const uint8_t* cur_u, const uint8_t* cur_v, \ + uint8_t* top_dst, uint8_t* bottom_dst, int len) { \ + int uv_pos, pos; \ + /* 16byte-aligned array to cache reconstructed u and v */ \ + uint8_t uv_buf[14 * 32 + 15] = { 0 }; \ + uint8_t* const r_u = (uint8_t*)((uintptr_t)(uv_buf + 15) & ~15); \ + uint8_t* const r_v = r_u + 32; \ + \ + assert(top_y != NULL); \ + { /* Treat the first pixel in regular way */ \ + const int u_diag = ((top_u[0] + cur_u[0]) >> 1) + 1; \ + const int v_diag = ((top_v[0] + cur_v[0]) >> 1) + 1; \ + const int u0_t = (top_u[0] + u_diag) >> 1; \ + const int v0_t = (top_v[0] + v_diag) >> 1; \ + FUNC(top_y[0], u0_t, v0_t, top_dst); \ + if (bottom_y != NULL) { \ + const int u0_b = (cur_u[0] + u_diag) >> 1; \ + const int v0_b = (cur_v[0] + v_diag) >> 1; \ + FUNC(bottom_y[0], u0_b, v0_b, bottom_dst); \ + } \ + } \ + /* For UPSAMPLE_32PIXELS, 17 u/v values must be read-able for each block */ \ + for (pos = 1, uv_pos = 0; pos + 32 + 1 <= len; pos += 32, uv_pos += 16) { \ + UPSAMPLE_32PIXELS(top_u + uv_pos, cur_u + uv_pos, r_u); \ + UPSAMPLE_32PIXELS(top_v + uv_pos, cur_v + uv_pos, r_v); \ + CONVERT2RGB_32(FUNC, XSTEP, top_y, bottom_y, top_dst, bottom_dst, pos); \ + } \ + if (len > 1) { \ + const int left_over = ((len + 1) >> 1) - (pos >> 1); \ + uint8_t* const tmp_top_dst = r_u + 4 * 32; \ + uint8_t* const tmp_bottom_dst = tmp_top_dst + 4 * 32; \ + uint8_t* const tmp_top = tmp_bottom_dst + 4 * 32; \ + uint8_t* const tmp_bottom = (bottom_y == NULL) ? NULL : tmp_top + 32; \ + assert(left_over > 0); \ + UPSAMPLE_LAST_BLOCK(top_u + uv_pos, cur_u + uv_pos, left_over, r_u); \ + UPSAMPLE_LAST_BLOCK(top_v + uv_pos, cur_v + uv_pos, left_over, r_v); \ + memcpy(tmp_top, top_y + pos, len - pos); \ + if (bottom_y != NULL) memcpy(tmp_bottom, bottom_y + pos, len - pos); \ + CONVERT2RGB_32(FUNC, XSTEP, tmp_top, tmp_bottom, tmp_top_dst, \ + tmp_bottom_dst, 0); \ + memcpy(top_dst + pos * (XSTEP), tmp_top_dst, (len - pos) * (XSTEP)); \ + if (bottom_y != NULL) { \ + memcpy(bottom_dst + pos * (XSTEP), tmp_bottom_dst, \ + (len - pos) * (XSTEP)); \ + } \ + } \ +} + +// SSE4 variants of the fancy upsampler. +SSE4_UPSAMPLE_FUNC(UpsampleRgbLinePair_SSE41, VP8YuvToRgb, 3) +SSE4_UPSAMPLE_FUNC(UpsampleBgrLinePair_SSE41, VP8YuvToBgr, 3) + +#undef GET_M +#undef PACK_AND_STORE +#undef UPSAMPLE_32PIXELS +#undef UPSAMPLE_LAST_BLOCK +#undef CONVERT2RGB +#undef CONVERT2RGB_32 +#undef SSE4_UPSAMPLE_FUNC + +#endif // WEBP_REDUCE_CSP + +//------------------------------------------------------------------------------ +// Entry point + +extern WebPUpsampleLinePairFunc WebPUpsamplers[/* MODE_LAST */]; + +extern void WebPInitUpsamplersSSE41(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplersSSE41(void) { +#if !defined(WEBP_REDUCE_CSP) + WebPUpsamplers[MODE_RGB] = UpsampleRgbLinePair_SSE41; + WebPUpsamplers[MODE_BGR] = UpsampleBgrLinePair_SSE41; +#endif // WEBP_REDUCE_CSP +} + +#endif // FANCY_UPSAMPLING + +//------------------------------------------------------------------------------ + +extern WebPYUV444Converter WebPYUV444Converters[/* MODE_LAST */]; +extern void WebPInitYUV444ConvertersSSE41(void); + +#define YUV444_FUNC(FUNC_NAME, CALL, CALL_C, XSTEP) \ +extern void CALL_C(const uint8_t* y, const uint8_t* u, const uint8_t* v, \ + uint8_t* dst, int len); \ +static void FUNC_NAME(const uint8_t* y, const uint8_t* u, const uint8_t* v, \ + uint8_t* dst, int len) { \ + int i; \ + const int max_len = len & ~31; \ + for (i = 0; i < max_len; i += 32) { \ + CALL(y + i, u + i, v + i, dst + i * (XSTEP)); \ + } \ + if (i < len) { /* C-fallback */ \ + CALL_C(y + i, u + i, v + i, dst + i * (XSTEP), len - i); \ + } \ +} + +#if !defined(WEBP_REDUCE_CSP) +YUV444_FUNC(Yuv444ToRgb_SSE41, VP8YuvToRgb32_SSE41, WebPYuv444ToRgb_C, 3); +YUV444_FUNC(Yuv444ToBgr_SSE41, VP8YuvToBgr32_SSE41, WebPYuv444ToBgr_C, 3); +#endif // WEBP_REDUCE_CSP + +WEBP_TSAN_IGNORE_FUNCTION void WebPInitYUV444ConvertersSSE41(void) { +#if !defined(WEBP_REDUCE_CSP) + WebPYUV444Converters[MODE_RGB] = Yuv444ToRgb_SSE41; + WebPYUV444Converters[MODE_BGR] = Yuv444ToBgr_SSE41; +#endif // WEBP_REDUCE_CSP +} + +#else + +WEBP_DSP_INIT_STUB(WebPInitYUV444ConvertersSSE41) + +#endif // WEBP_USE_SSE41 + +#if !(defined(FANCY_UPSAMPLING) && defined(WEBP_USE_SSE41)) +WEBP_DSP_INIT_STUB(WebPInitUpsamplersSSE41) +#endif diff --git a/ProductApp/Pods/libwebp/src/dsp/yuv.c b/ProductApp/Pods/libwebp/src/dsp/yuv.c new file mode 100644 index 0000000..8a04b85 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/yuv.c @@ -0,0 +1,245 @@ +// Copyright 2010 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// YUV->RGB conversion functions +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/yuv.h" + +#include +#include + +//----------------------------------------------------------------------------- +// Plain-C version + +#define ROW_FUNC(FUNC_NAME, FUNC, XSTEP) \ +static void FUNC_NAME(const uint8_t* y, \ + const uint8_t* u, const uint8_t* v, \ + uint8_t* dst, int len) { \ + const uint8_t* const end = dst + (len & ~1) * (XSTEP); \ + while (dst != end) { \ + FUNC(y[0], u[0], v[0], dst); \ + FUNC(y[1], u[0], v[0], dst + (XSTEP)); \ + y += 2; \ + ++u; \ + ++v; \ + dst += 2 * (XSTEP); \ + } \ + if (len & 1) { \ + FUNC(y[0], u[0], v[0], dst); \ + } \ +} \ + +// All variants implemented. +ROW_FUNC(YuvToRgbRow, VP8YuvToRgb, 3) +ROW_FUNC(YuvToBgrRow, VP8YuvToBgr, 3) +ROW_FUNC(YuvToRgbaRow, VP8YuvToRgba, 4) +ROW_FUNC(YuvToBgraRow, VP8YuvToBgra, 4) +ROW_FUNC(YuvToArgbRow, VP8YuvToArgb, 4) +ROW_FUNC(YuvToRgba4444Row, VP8YuvToRgba4444, 2) +ROW_FUNC(YuvToRgb565Row, VP8YuvToRgb565, 2) + +#undef ROW_FUNC + +// Main call for processing a plane with a WebPSamplerRowFunc function: +void WebPSamplerProcessPlane(const uint8_t* y, int y_stride, + const uint8_t* u, const uint8_t* v, int uv_stride, + uint8_t* dst, int dst_stride, + int width, int height, WebPSamplerRowFunc func) { + int j; + for (j = 0; j < height; ++j) { + func(y, u, v, dst, width); + y += y_stride; + if (j & 1) { + u += uv_stride; + v += uv_stride; + } + dst += dst_stride; + } +} + +//----------------------------------------------------------------------------- +// Main call + +WebPSamplerRowFunc WebPSamplers[MODE_LAST]; + +extern VP8CPUInfo VP8GetCPUInfo; +extern void WebPInitSamplersSSE2(void); +extern void WebPInitSamplersSSE41(void); +extern void WebPInitSamplersMIPS32(void); +extern void WebPInitSamplersMIPSdspR2(void); + +WEBP_DSP_INIT_FUNC(WebPInitSamplers) { + WebPSamplers[MODE_RGB] = YuvToRgbRow; + WebPSamplers[MODE_RGBA] = YuvToRgbaRow; + WebPSamplers[MODE_BGR] = YuvToBgrRow; + WebPSamplers[MODE_BGRA] = YuvToBgraRow; + WebPSamplers[MODE_ARGB] = YuvToArgbRow; + WebPSamplers[MODE_RGBA_4444] = YuvToRgba4444Row; + WebPSamplers[MODE_RGB_565] = YuvToRgb565Row; + WebPSamplers[MODE_rgbA] = YuvToRgbaRow; + WebPSamplers[MODE_bgrA] = YuvToBgraRow; + WebPSamplers[MODE_Argb] = YuvToArgbRow; + WebPSamplers[MODE_rgbA_4444] = YuvToRgba4444Row; + + // If defined, use CPUInfo() to overwrite some pointers with faster versions. + if (VP8GetCPUInfo != NULL) { +#if defined(WEBP_HAVE_SSE2) + if (VP8GetCPUInfo(kSSE2)) { + WebPInitSamplersSSE2(); + } +#endif // WEBP_HAVE_SSE2 +#if defined(WEBP_HAVE_SSE41) + if (VP8GetCPUInfo(kSSE4_1)) { + WebPInitSamplersSSE41(); + } +#endif // WEBP_HAVE_SSE41 +#if defined(WEBP_USE_MIPS32) + if (VP8GetCPUInfo(kMIPS32)) { + WebPInitSamplersMIPS32(); + } +#endif // WEBP_USE_MIPS32 +#if defined(WEBP_USE_MIPS_DSP_R2) + if (VP8GetCPUInfo(kMIPSdspR2)) { + WebPInitSamplersMIPSdspR2(); + } +#endif // WEBP_USE_MIPS_DSP_R2 + } +} + +//----------------------------------------------------------------------------- +// ARGB -> YUV converters + +static void ConvertARGBToY_C(const uint32_t* argb, uint8_t* y, int width) { + int i; + for (i = 0; i < width; ++i) { + const uint32_t p = argb[i]; + y[i] = VP8RGBToY((p >> 16) & 0xff, (p >> 8) & 0xff, (p >> 0) & 0xff, + YUV_HALF); + } +} + +void WebPConvertARGBToUV_C(const uint32_t* argb, uint8_t* u, uint8_t* v, + int src_width, int do_store) { + // No rounding. Last pixel is dealt with separately. + const int uv_width = src_width >> 1; + int i; + for (i = 0; i < uv_width; ++i) { + const uint32_t v0 = argb[2 * i + 0]; + const uint32_t v1 = argb[2 * i + 1]; + // VP8RGBToU/V expects four accumulated pixels. Hence we need to + // scale r/g/b value by a factor 2. We just shift v0/v1 one bit less. + const int r = ((v0 >> 15) & 0x1fe) + ((v1 >> 15) & 0x1fe); + const int g = ((v0 >> 7) & 0x1fe) + ((v1 >> 7) & 0x1fe); + const int b = ((v0 << 1) & 0x1fe) + ((v1 << 1) & 0x1fe); + const int tmp_u = VP8RGBToU(r, g, b, YUV_HALF << 2); + const int tmp_v = VP8RGBToV(r, g, b, YUV_HALF << 2); + if (do_store) { + u[i] = tmp_u; + v[i] = tmp_v; + } else { + // Approximated average-of-four. But it's an acceptable diff. + u[i] = (u[i] + tmp_u + 1) >> 1; + v[i] = (v[i] + tmp_v + 1) >> 1; + } + } + if (src_width & 1) { // last pixel + const uint32_t v0 = argb[2 * i + 0]; + const int r = (v0 >> 14) & 0x3fc; + const int g = (v0 >> 6) & 0x3fc; + const int b = (v0 << 2) & 0x3fc; + const int tmp_u = VP8RGBToU(r, g, b, YUV_HALF << 2); + const int tmp_v = VP8RGBToV(r, g, b, YUV_HALF << 2); + if (do_store) { + u[i] = tmp_u; + v[i] = tmp_v; + } else { + u[i] = (u[i] + tmp_u + 1) >> 1; + v[i] = (v[i] + tmp_v + 1) >> 1; + } + } +} + +//----------------------------------------------------------------------------- + +static void ConvertRGB24ToY_C(const uint8_t* rgb, uint8_t* y, int width) { + int i; + for (i = 0; i < width; ++i, rgb += 3) { + y[i] = VP8RGBToY(rgb[0], rgb[1], rgb[2], YUV_HALF); + } +} + +static void ConvertBGR24ToY_C(const uint8_t* bgr, uint8_t* y, int width) { + int i; + for (i = 0; i < width; ++i, bgr += 3) { + y[i] = VP8RGBToY(bgr[2], bgr[1], bgr[0], YUV_HALF); + } +} + +void WebPConvertRGBA32ToUV_C(const uint16_t* rgb, + uint8_t* u, uint8_t* v, int width) { + int i; + for (i = 0; i < width; i += 1, rgb += 4) { + const int r = rgb[0], g = rgb[1], b = rgb[2]; + u[i] = VP8RGBToU(r, g, b, YUV_HALF << 2); + v[i] = VP8RGBToV(r, g, b, YUV_HALF << 2); + } +} + +//----------------------------------------------------------------------------- + +void (*WebPConvertRGB24ToY)(const uint8_t* rgb, uint8_t* y, int width); +void (*WebPConvertBGR24ToY)(const uint8_t* bgr, uint8_t* y, int width); +void (*WebPConvertRGBA32ToUV)(const uint16_t* rgb, + uint8_t* u, uint8_t* v, int width); + +void (*WebPConvertARGBToY)(const uint32_t* argb, uint8_t* y, int width); +void (*WebPConvertARGBToUV)(const uint32_t* argb, uint8_t* u, uint8_t* v, + int src_width, int do_store); + +extern void WebPInitConvertARGBToYUVSSE2(void); +extern void WebPInitConvertARGBToYUVSSE41(void); +extern void WebPInitConvertARGBToYUVNEON(void); + +WEBP_DSP_INIT_FUNC(WebPInitConvertARGBToYUV) { + WebPConvertARGBToY = ConvertARGBToY_C; + WebPConvertARGBToUV = WebPConvertARGBToUV_C; + + WebPConvertRGB24ToY = ConvertRGB24ToY_C; + WebPConvertBGR24ToY = ConvertBGR24ToY_C; + + WebPConvertRGBA32ToUV = WebPConvertRGBA32ToUV_C; + + if (VP8GetCPUInfo != NULL) { +#if defined(WEBP_HAVE_SSE2) + if (VP8GetCPUInfo(kSSE2)) { + WebPInitConvertARGBToYUVSSE2(); + } +#endif // WEBP_HAVE_SSE2 +#if defined(WEBP_HAVE_SSE41) + if (VP8GetCPUInfo(kSSE4_1)) { + WebPInitConvertARGBToYUVSSE41(); + } +#endif // WEBP_HAVE_SSE41 + } + +#if defined(WEBP_HAVE_NEON) + if (WEBP_NEON_OMIT_C_CODE || + (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kNEON))) { + WebPInitConvertARGBToYUVNEON(); + } +#endif // WEBP_HAVE_NEON + + assert(WebPConvertARGBToY != NULL); + assert(WebPConvertARGBToUV != NULL); + assert(WebPConvertRGB24ToY != NULL); + assert(WebPConvertBGR24ToY != NULL); + assert(WebPConvertRGBA32ToUV != NULL); +} diff --git a/ProductApp/Pods/libwebp/src/dsp/yuv.h b/ProductApp/Pods/libwebp/src/dsp/yuv.h new file mode 100644 index 0000000..66a397d --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/yuv.h @@ -0,0 +1,210 @@ +// Copyright 2010 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// inline YUV<->RGB conversion function +// +// The exact naming is Y'CbCr, following the ITU-R BT.601 standard. +// More information at: https://en.wikipedia.org/wiki/YCbCr +// Y = 0.2569 * R + 0.5044 * G + 0.0979 * B + 16 +// U = -0.1483 * R - 0.2911 * G + 0.4394 * B + 128 +// V = 0.4394 * R - 0.3679 * G - 0.0715 * B + 128 +// We use 16bit fixed point operations for RGB->YUV conversion (YUV_FIX). +// +// For the Y'CbCr to RGB conversion, the BT.601 specification reads: +// R = 1.164 * (Y-16) + 1.596 * (V-128) +// G = 1.164 * (Y-16) - 0.813 * (V-128) - 0.391 * (U-128) +// B = 1.164 * (Y-16) + 2.018 * (U-128) +// where Y is in the [16,235] range, and U/V in the [16,240] range. +// +// The fixed-point implementation used here is: +// R = (19077 . y + 26149 . v - 14234) >> 6 +// G = (19077 . y - 6419 . u - 13320 . v + 8708) >> 6 +// B = (19077 . y + 33050 . u - 17685) >> 6 +// where the '.' operator is the mulhi_epu16 variant: +// a . b = ((a << 8) * b) >> 16 +// that preserves 8 bits of fractional precision before final descaling. + +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_DSP_YUV_H_ +#define WEBP_DSP_YUV_H_ + +#include "src/dsp/dsp.h" +#include "src/dec/vp8_dec.h" + +//------------------------------------------------------------------------------ +// YUV -> RGB conversion + +#ifdef __cplusplus +extern "C" { +#endif + +enum { + YUV_FIX = 16, // fixed-point precision for RGB->YUV + YUV_HALF = 1 << (YUV_FIX - 1), + + YUV_FIX2 = 6, // fixed-point precision for YUV->RGB + YUV_MASK2 = (256 << YUV_FIX2) - 1 +}; + +//------------------------------------------------------------------------------ +// slower on x86 by ~7-8%, but bit-exact with the SSE2/NEON version + +static WEBP_INLINE int MultHi(int v, int coeff) { // _mm_mulhi_epu16 emulation + return (v * coeff) >> 8; +} + +static WEBP_INLINE int VP8Clip8(int v) { + return ((v & ~YUV_MASK2) == 0) ? (v >> YUV_FIX2) : (v < 0) ? 0 : 255; +} + +static WEBP_INLINE int VP8YUVToR(int y, int v) { + return VP8Clip8(MultHi(y, 19077) + MultHi(v, 26149) - 14234); +} + +static WEBP_INLINE int VP8YUVToG(int y, int u, int v) { + return VP8Clip8(MultHi(y, 19077) - MultHi(u, 6419) - MultHi(v, 13320) + 8708); +} + +static WEBP_INLINE int VP8YUVToB(int y, int u) { + return VP8Clip8(MultHi(y, 19077) + MultHi(u, 33050) - 17685); +} + +static WEBP_INLINE void VP8YuvToRgb(int y, int u, int v, + uint8_t* const rgb) { + rgb[0] = VP8YUVToR(y, v); + rgb[1] = VP8YUVToG(y, u, v); + rgb[2] = VP8YUVToB(y, u); +} + +static WEBP_INLINE void VP8YuvToBgr(int y, int u, int v, + uint8_t* const bgr) { + bgr[0] = VP8YUVToB(y, u); + bgr[1] = VP8YUVToG(y, u, v); + bgr[2] = VP8YUVToR(y, v); +} + +static WEBP_INLINE void VP8YuvToRgb565(int y, int u, int v, + uint8_t* const rgb) { + const int r = VP8YUVToR(y, v); // 5 usable bits + const int g = VP8YUVToG(y, u, v); // 6 usable bits + const int b = VP8YUVToB(y, u); // 5 usable bits + const int rg = (r & 0xf8) | (g >> 5); + const int gb = ((g << 3) & 0xe0) | (b >> 3); +#if (WEBP_SWAP_16BIT_CSP == 1) + rgb[0] = gb; + rgb[1] = rg; +#else + rgb[0] = rg; + rgb[1] = gb; +#endif +} + +static WEBP_INLINE void VP8YuvToRgba4444(int y, int u, int v, + uint8_t* const argb) { + const int r = VP8YUVToR(y, v); // 4 usable bits + const int g = VP8YUVToG(y, u, v); // 4 usable bits + const int b = VP8YUVToB(y, u); // 4 usable bits + const int rg = (r & 0xf0) | (g >> 4); + const int ba = (b & 0xf0) | 0x0f; // overwrite the lower 4 bits +#if (WEBP_SWAP_16BIT_CSP == 1) + argb[0] = ba; + argb[1] = rg; +#else + argb[0] = rg; + argb[1] = ba; +#endif +} + +//----------------------------------------------------------------------------- +// Alpha handling variants + +static WEBP_INLINE void VP8YuvToArgb(uint8_t y, uint8_t u, uint8_t v, + uint8_t* const argb) { + argb[0] = 0xff; + VP8YuvToRgb(y, u, v, argb + 1); +} + +static WEBP_INLINE void VP8YuvToBgra(uint8_t y, uint8_t u, uint8_t v, + uint8_t* const bgra) { + VP8YuvToBgr(y, u, v, bgra); + bgra[3] = 0xff; +} + +static WEBP_INLINE void VP8YuvToRgba(uint8_t y, uint8_t u, uint8_t v, + uint8_t* const rgba) { + VP8YuvToRgb(y, u, v, rgba); + rgba[3] = 0xff; +} + +//----------------------------------------------------------------------------- +// SSE2 extra functions (mostly for upsampling_sse2.c) + +#if defined(WEBP_USE_SSE2) + +// Process 32 pixels and store the result (16b, 24b or 32b per pixel) in *dst. +void VP8YuvToRgba32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v, + uint8_t* dst); +void VP8YuvToRgb32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v, + uint8_t* dst); +void VP8YuvToBgra32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v, + uint8_t* dst); +void VP8YuvToBgr32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v, + uint8_t* dst); +void VP8YuvToArgb32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v, + uint8_t* dst); +void VP8YuvToRgba444432_SSE2(const uint8_t* y, const uint8_t* u, + const uint8_t* v, uint8_t* dst); +void VP8YuvToRgb56532_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v, + uint8_t* dst); + +#endif // WEBP_USE_SSE2 + +//----------------------------------------------------------------------------- +// SSE41 extra functions (mostly for upsampling_sse41.c) + +#if defined(WEBP_USE_SSE41) + +// Process 32 pixels and store the result (16b, 24b or 32b per pixel) in *dst. +void VP8YuvToRgb32_SSE41(const uint8_t* y, const uint8_t* u, const uint8_t* v, + uint8_t* dst); +void VP8YuvToBgr32_SSE41(const uint8_t* y, const uint8_t* u, const uint8_t* v, + uint8_t* dst); + +#endif // WEBP_USE_SSE41 + +//------------------------------------------------------------------------------ +// RGB -> YUV conversion + +// Stub functions that can be called with various rounding values: +static WEBP_INLINE int VP8ClipUV(int uv, int rounding) { + uv = (uv + rounding + (128 << (YUV_FIX + 2))) >> (YUV_FIX + 2); + return ((uv & ~0xff) == 0) ? uv : (uv < 0) ? 0 : 255; +} + +static WEBP_INLINE int VP8RGBToY(int r, int g, int b, int rounding) { + const int luma = 16839 * r + 33059 * g + 6420 * b; + return (luma + rounding + (16 << YUV_FIX)) >> YUV_FIX; // no need to clip +} + +static WEBP_INLINE int VP8RGBToU(int r, int g, int b, int rounding) { + const int u = -9719 * r - 19081 * g + 28800 * b; + return VP8ClipUV(u, rounding); +} + +static WEBP_INLINE int VP8RGBToV(int r, int g, int b, int rounding) { + const int v = +28800 * r - 24116 * g - 4684 * b; + return VP8ClipUV(v, rounding); +} + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_DSP_YUV_H_ diff --git a/ProductApp/Pods/libwebp/src/dsp/yuv_mips32.c b/ProductApp/Pods/libwebp/src/dsp/yuv_mips32.c new file mode 100644 index 0000000..9d0a887 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/yuv_mips32.c @@ -0,0 +1,103 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// MIPS version of YUV to RGB upsampling functions. +// +// Author(s): Djordje Pesut (djordje.pesut@imgtec.com) +// Jovan Zelincevic (jovan.zelincevic@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MIPS32) + +#include "src/dsp/yuv.h" + +//------------------------------------------------------------------------------ +// simple point-sampling + +#define ROW_FUNC(FUNC_NAME, XSTEP, R, G, B, A) \ +static void FUNC_NAME(const uint8_t* y, \ + const uint8_t* u, const uint8_t* v, \ + uint8_t* dst, int len) { \ + int i, r, g, b; \ + int temp0, temp1, temp2, temp3, temp4; \ + for (i = 0; i < (len >> 1); i++) { \ + temp1 = MultHi(v[0], 26149); \ + temp3 = MultHi(v[0], 13320); \ + temp2 = MultHi(u[0], 6419); \ + temp4 = MultHi(u[0], 33050); \ + temp0 = MultHi(y[0], 19077); \ + temp1 -= 14234; \ + temp3 -= 8708; \ + temp2 += temp3; \ + temp4 -= 17685; \ + r = VP8Clip8(temp0 + temp1); \ + g = VP8Clip8(temp0 - temp2); \ + b = VP8Clip8(temp0 + temp4); \ + temp0 = MultHi(y[1], 19077); \ + dst[R] = r; \ + dst[G] = g; \ + dst[B] = b; \ + if (A) dst[A] = 0xff; \ + r = VP8Clip8(temp0 + temp1); \ + g = VP8Clip8(temp0 - temp2); \ + b = VP8Clip8(temp0 + temp4); \ + dst[R + XSTEP] = r; \ + dst[G + XSTEP] = g; \ + dst[B + XSTEP] = b; \ + if (A) dst[A + XSTEP] = 0xff; \ + y += 2; \ + ++u; \ + ++v; \ + dst += 2 * XSTEP; \ + } \ + if (len & 1) { \ + temp1 = MultHi(v[0], 26149); \ + temp3 = MultHi(v[0], 13320); \ + temp2 = MultHi(u[0], 6419); \ + temp4 = MultHi(u[0], 33050); \ + temp0 = MultHi(y[0], 19077); \ + temp1 -= 14234; \ + temp3 -= 8708; \ + temp2 += temp3; \ + temp4 -= 17685; \ + r = VP8Clip8(temp0 + temp1); \ + g = VP8Clip8(temp0 - temp2); \ + b = VP8Clip8(temp0 + temp4); \ + dst[R] = r; \ + dst[G] = g; \ + dst[B] = b; \ + if (A) dst[A] = 0xff; \ + } \ +} + +ROW_FUNC(YuvToRgbRow_MIPS32, 3, 0, 1, 2, 0) +ROW_FUNC(YuvToRgbaRow_MIPS32, 4, 0, 1, 2, 3) +ROW_FUNC(YuvToBgrRow_MIPS32, 3, 2, 1, 0, 0) +ROW_FUNC(YuvToBgraRow_MIPS32, 4, 2, 1, 0, 3) + +#undef ROW_FUNC + +//------------------------------------------------------------------------------ +// Entry point + +extern void WebPInitSamplersMIPS32(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersMIPS32(void) { + WebPSamplers[MODE_RGB] = YuvToRgbRow_MIPS32; + WebPSamplers[MODE_RGBA] = YuvToRgbaRow_MIPS32; + WebPSamplers[MODE_BGR] = YuvToBgrRow_MIPS32; + WebPSamplers[MODE_BGRA] = YuvToBgraRow_MIPS32; +} + +#else // !WEBP_USE_MIPS32 + +WEBP_DSP_INIT_STUB(WebPInitSamplersMIPS32) + +#endif // WEBP_USE_MIPS32 diff --git a/ProductApp/Pods/libwebp/src/dsp/yuv_mips_dsp_r2.c b/ProductApp/Pods/libwebp/src/dsp/yuv_mips_dsp_r2.c new file mode 100644 index 0000000..cc8afcc --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/yuv_mips_dsp_r2.c @@ -0,0 +1,134 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// MIPS DSPr2 version of YUV to RGB upsampling functions. +// +// Author(s): Branimir Vasic (branimir.vasic@imgtec.com) +// Djordje Pesut (djordje.pesut@imgtec.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_MIPS_DSP_R2) + +#include "src/dsp/yuv.h" + +//------------------------------------------------------------------------------ +// simple point-sampling + +#define ROW_FUNC_PART_1() \ + "lbu %[temp3], 0(%[v]) \n\t" \ + "lbu %[temp4], 0(%[u]) \n\t" \ + "lbu %[temp0], 0(%[y]) \n\t" \ + "mul %[temp1], %[t_con_1], %[temp3] \n\t" \ + "mul %[temp3], %[t_con_2], %[temp3] \n\t" \ + "mul %[temp2], %[t_con_3], %[temp4] \n\t" \ + "mul %[temp4], %[t_con_4], %[temp4] \n\t" \ + "mul %[temp0], %[t_con_5], %[temp0] \n\t" \ + "subu %[temp1], %[temp1], %[t_con_6] \n\t" \ + "subu %[temp3], %[temp3], %[t_con_7] \n\t" \ + "addu %[temp2], %[temp2], %[temp3] \n\t" \ + "subu %[temp4], %[temp4], %[t_con_8] \n\t" \ + +#define ROW_FUNC_PART_2(R, G, B, K) \ + "addu %[temp5], %[temp0], %[temp1] \n\t" \ + "subu %[temp6], %[temp0], %[temp2] \n\t" \ + "addu %[temp7], %[temp0], %[temp4] \n\t" \ +".if " #K " \n\t" \ + "lbu %[temp0], 1(%[y]) \n\t" \ +".endif \n\t" \ + "shll_s.w %[temp5], %[temp5], 17 \n\t" \ + "shll_s.w %[temp6], %[temp6], 17 \n\t" \ +".if " #K " \n\t" \ + "mul %[temp0], %[t_con_5], %[temp0] \n\t" \ +".endif \n\t" \ + "shll_s.w %[temp7], %[temp7], 17 \n\t" \ + "precrqu_s.qb.ph %[temp5], %[temp5], $zero \n\t" \ + "precrqu_s.qb.ph %[temp6], %[temp6], $zero \n\t" \ + "precrqu_s.qb.ph %[temp7], %[temp7], $zero \n\t" \ + "srl %[temp5], %[temp5], 24 \n\t" \ + "srl %[temp6], %[temp6], 24 \n\t" \ + "srl %[temp7], %[temp7], 24 \n\t" \ + "sb %[temp5], " #R "(%[dst]) \n\t" \ + "sb %[temp6], " #G "(%[dst]) \n\t" \ + "sb %[temp7], " #B "(%[dst]) \n\t" \ + +#define ASM_CLOBBER_LIST() \ + : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), \ + [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), \ + [temp6]"=&r"(temp6), [temp7]"=&r"(temp7) \ + : [t_con_1]"r"(t_con_1), [t_con_2]"r"(t_con_2), [t_con_3]"r"(t_con_3), \ + [t_con_4]"r"(t_con_4), [t_con_5]"r"(t_con_5), [t_con_6]"r"(t_con_6), \ + [u]"r"(u), [v]"r"(v), [y]"r"(y), [dst]"r"(dst), \ + [t_con_7]"r"(t_con_7), [t_con_8]"r"(t_con_8) \ + : "memory", "hi", "lo" \ + +#define ROW_FUNC(FUNC_NAME, XSTEP, R, G, B, A) \ +static void FUNC_NAME(const uint8_t* y, \ + const uint8_t* u, const uint8_t* v, \ + uint8_t* dst, int len) { \ + int i; \ + uint32_t temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; \ + const int t_con_1 = 26149; \ + const int t_con_2 = 13320; \ + const int t_con_3 = 6419; \ + const int t_con_4 = 33050; \ + const int t_con_5 = 19077; \ + const int t_con_6 = 14234; \ + const int t_con_7 = 8708; \ + const int t_con_8 = 17685; \ + for (i = 0; i < (len >> 1); i++) { \ + __asm__ volatile ( \ + ROW_FUNC_PART_1() \ + ROW_FUNC_PART_2(R, G, B, 1) \ + ROW_FUNC_PART_2(R + XSTEP, G + XSTEP, B + XSTEP, 0) \ + ASM_CLOBBER_LIST() \ + ); \ + if (A) dst[A] = dst[A + XSTEP] = 0xff; \ + y += 2; \ + ++u; \ + ++v; \ + dst += 2 * XSTEP; \ + } \ + if (len & 1) { \ + __asm__ volatile ( \ + ROW_FUNC_PART_1() \ + ROW_FUNC_PART_2(R, G, B, 0) \ + ASM_CLOBBER_LIST() \ + ); \ + if (A) dst[A] = 0xff; \ + } \ +} + +ROW_FUNC(YuvToRgbRow_MIPSdspR2, 3, 0, 1, 2, 0) +ROW_FUNC(YuvToRgbaRow_MIPSdspR2, 4, 0, 1, 2, 3) +ROW_FUNC(YuvToBgrRow_MIPSdspR2, 3, 2, 1, 0, 0) +ROW_FUNC(YuvToBgraRow_MIPSdspR2, 4, 2, 1, 0, 3) + +#undef ROW_FUNC +#undef ASM_CLOBBER_LIST +#undef ROW_FUNC_PART_2 +#undef ROW_FUNC_PART_1 + +//------------------------------------------------------------------------------ +// Entry point + +extern void WebPInitSamplersMIPSdspR2(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersMIPSdspR2(void) { + WebPSamplers[MODE_RGB] = YuvToRgbRow_MIPSdspR2; + WebPSamplers[MODE_RGBA] = YuvToRgbaRow_MIPSdspR2; + WebPSamplers[MODE_BGR] = YuvToBgrRow_MIPSdspR2; + WebPSamplers[MODE_BGRA] = YuvToBgraRow_MIPSdspR2; +} + +#else // !WEBP_USE_MIPS_DSP_R2 + +WEBP_DSP_INIT_STUB(WebPInitSamplersMIPSdspR2) + +#endif // WEBP_USE_MIPS_DSP_R2 diff --git a/ProductApp/Pods/libwebp/src/dsp/yuv_neon.c b/ProductApp/Pods/libwebp/src/dsp/yuv_neon.c new file mode 100644 index 0000000..ff77b00 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/yuv_neon.c @@ -0,0 +1,180 @@ +// Copyright 2017 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// YUV->RGB conversion functions +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/yuv.h" + +#if defined(WEBP_USE_NEON) + +#include +#include + +#include "src/dsp/neon.h" + +//----------------------------------------------------------------------------- + +static uint8x8_t ConvertRGBToY_NEON(const uint8x8_t R, + const uint8x8_t G, + const uint8x8_t B) { + const uint16x8_t r = vmovl_u8(R); + const uint16x8_t g = vmovl_u8(G); + const uint16x8_t b = vmovl_u8(B); + const uint16x4_t r_lo = vget_low_u16(r); + const uint16x4_t r_hi = vget_high_u16(r); + const uint16x4_t g_lo = vget_low_u16(g); + const uint16x4_t g_hi = vget_high_u16(g); + const uint16x4_t b_lo = vget_low_u16(b); + const uint16x4_t b_hi = vget_high_u16(b); + const uint32x4_t tmp0_lo = vmull_n_u16( r_lo, 16839u); + const uint32x4_t tmp0_hi = vmull_n_u16( r_hi, 16839u); + const uint32x4_t tmp1_lo = vmlal_n_u16(tmp0_lo, g_lo, 33059u); + const uint32x4_t tmp1_hi = vmlal_n_u16(tmp0_hi, g_hi, 33059u); + const uint32x4_t tmp2_lo = vmlal_n_u16(tmp1_lo, b_lo, 6420u); + const uint32x4_t tmp2_hi = vmlal_n_u16(tmp1_hi, b_hi, 6420u); + const uint16x8_t Y1 = vcombine_u16(vrshrn_n_u32(tmp2_lo, 16), + vrshrn_n_u32(tmp2_hi, 16)); + const uint16x8_t Y2 = vaddq_u16(Y1, vdupq_n_u16(16)); + return vqmovn_u16(Y2); +} + +static void ConvertRGB24ToY_NEON(const uint8_t* rgb, uint8_t* y, int width) { + int i; + for (i = 0; i + 8 <= width; i += 8, rgb += 3 * 8) { + const uint8x8x3_t RGB = vld3_u8(rgb); + const uint8x8_t Y = ConvertRGBToY_NEON(RGB.val[0], RGB.val[1], RGB.val[2]); + vst1_u8(y + i, Y); + } + for (; i < width; ++i, rgb += 3) { // left-over + y[i] = VP8RGBToY(rgb[0], rgb[1], rgb[2], YUV_HALF); + } +} + +static void ConvertBGR24ToY_NEON(const uint8_t* bgr, uint8_t* y, int width) { + int i; + for (i = 0; i + 8 <= width; i += 8, bgr += 3 * 8) { + const uint8x8x3_t BGR = vld3_u8(bgr); + const uint8x8_t Y = ConvertRGBToY_NEON(BGR.val[2], BGR.val[1], BGR.val[0]); + vst1_u8(y + i, Y); + } + for (; i < width; ++i, bgr += 3) { // left-over + y[i] = VP8RGBToY(bgr[2], bgr[1], bgr[0], YUV_HALF); + } +} + +static void ConvertARGBToY_NEON(const uint32_t* argb, uint8_t* y, int width) { + int i; + for (i = 0; i + 8 <= width; i += 8) { + const uint8x8x4_t RGB = vld4_u8((const uint8_t*)&argb[i]); + const uint8x8_t Y = ConvertRGBToY_NEON(RGB.val[2], RGB.val[1], RGB.val[0]); + vst1_u8(y + i, Y); + } + for (; i < width; ++i) { // left-over + const uint32_t p = argb[i]; + y[i] = VP8RGBToY((p >> 16) & 0xff, (p >> 8) & 0xff, (p >> 0) & 0xff, + YUV_HALF); + } +} + +//----------------------------------------------------------------------------- + +// computes: DST_s16 = [(C0 * r + C1 * g + C2 * b) >> 16] + CST +#define MULTIPLY_16b_PREAMBLE(r, g, b) \ + const int16x4_t r_lo = vreinterpret_s16_u16(vget_low_u16(r)); \ + const int16x4_t r_hi = vreinterpret_s16_u16(vget_high_u16(r)); \ + const int16x4_t g_lo = vreinterpret_s16_u16(vget_low_u16(g)); \ + const int16x4_t g_hi = vreinterpret_s16_u16(vget_high_u16(g)); \ + const int16x4_t b_lo = vreinterpret_s16_u16(vget_low_u16(b)); \ + const int16x4_t b_hi = vreinterpret_s16_u16(vget_high_u16(b)) + +#define MULTIPLY_16b(C0, C1, C2, CST, DST_s16) do { \ + const int32x4_t tmp0_lo = vmull_n_s16( r_lo, C0); \ + const int32x4_t tmp0_hi = vmull_n_s16( r_hi, C0); \ + const int32x4_t tmp1_lo = vmlal_n_s16(tmp0_lo, g_lo, C1); \ + const int32x4_t tmp1_hi = vmlal_n_s16(tmp0_hi, g_hi, C1); \ + const int32x4_t tmp2_lo = vmlal_n_s16(tmp1_lo, b_lo, C2); \ + const int32x4_t tmp2_hi = vmlal_n_s16(tmp1_hi, b_hi, C2); \ + const int16x8_t tmp3 = vcombine_s16(vshrn_n_s32(tmp2_lo, 16), \ + vshrn_n_s32(tmp2_hi, 16)); \ + DST_s16 = vaddq_s16(tmp3, vdupq_n_s16(CST)); \ +} while (0) + +// This needs to be a macro, since (128 << SHIFT) needs to be an immediate. +#define CONVERT_RGB_TO_UV(r, g, b, SHIFT, U_DST, V_DST) do { \ + MULTIPLY_16b_PREAMBLE(r, g, b); \ + MULTIPLY_16b(-9719, -19081, 28800, 128 << SHIFT, U_DST); \ + MULTIPLY_16b(28800, -24116, -4684, 128 << SHIFT, V_DST); \ +} while (0) + +static void ConvertRGBA32ToUV_NEON(const uint16_t* rgb, + uint8_t* u, uint8_t* v, int width) { + int i; + for (i = 0; i + 8 <= width; i += 8, rgb += 4 * 8) { + const uint16x8x4_t RGB = vld4q_u16((const uint16_t*)rgb); + int16x8_t U, V; + CONVERT_RGB_TO_UV(RGB.val[0], RGB.val[1], RGB.val[2], 2, U, V); + vst1_u8(u + i, vqrshrun_n_s16(U, 2)); + vst1_u8(v + i, vqrshrun_n_s16(V, 2)); + } + for (; i < width; i += 1, rgb += 4) { + const int r = rgb[0], g = rgb[1], b = rgb[2]; + u[i] = VP8RGBToU(r, g, b, YUV_HALF << 2); + v[i] = VP8RGBToV(r, g, b, YUV_HALF << 2); + } +} + +static void ConvertARGBToUV_NEON(const uint32_t* argb, uint8_t* u, uint8_t* v, + int src_width, int do_store) { + int i; + for (i = 0; i + 16 <= src_width; i += 16, u += 8, v += 8) { + const uint8x16x4_t RGB = vld4q_u8((const uint8_t*)&argb[i]); + const uint16x8_t R = vpaddlq_u8(RGB.val[2]); // pair-wise adds + const uint16x8_t G = vpaddlq_u8(RGB.val[1]); + const uint16x8_t B = vpaddlq_u8(RGB.val[0]); + int16x8_t U_tmp, V_tmp; + CONVERT_RGB_TO_UV(R, G, B, 1, U_tmp, V_tmp); + { + const uint8x8_t U = vqrshrun_n_s16(U_tmp, 1); + const uint8x8_t V = vqrshrun_n_s16(V_tmp, 1); + if (do_store) { + vst1_u8(u, U); + vst1_u8(v, V); + } else { + const uint8x8_t prev_u = vld1_u8(u); + const uint8x8_t prev_v = vld1_u8(v); + vst1_u8(u, vrhadd_u8(U, prev_u)); + vst1_u8(v, vrhadd_u8(V, prev_v)); + } + } + } + if (i < src_width) { // left-over + WebPConvertARGBToUV_C(argb + i, u, v, src_width - i, do_store); + } +} + + +//------------------------------------------------------------------------------ + +extern void WebPInitConvertARGBToYUVNEON(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPInitConvertARGBToYUVNEON(void) { + WebPConvertRGB24ToY = ConvertRGB24ToY_NEON; + WebPConvertBGR24ToY = ConvertBGR24ToY_NEON; + WebPConvertARGBToY = ConvertARGBToY_NEON; + WebPConvertARGBToUV = ConvertARGBToUV_NEON; + WebPConvertRGBA32ToUV = ConvertRGBA32ToUV_NEON; +} + +#else // !WEBP_USE_NEON + +WEBP_DSP_INIT_STUB(WebPInitConvertARGBToYUVNEON) + +#endif // WEBP_USE_NEON diff --git a/ProductApp/Pods/libwebp/src/dsp/yuv_sse2.c b/ProductApp/Pods/libwebp/src/dsp/yuv_sse2.c new file mode 100644 index 0000000..01a48f9 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/yuv_sse2.c @@ -0,0 +1,758 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// YUV->RGB conversion functions +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/yuv.h" + +#if defined(WEBP_USE_SSE2) + +#include +#include + +#include "src/dsp/common_sse2.h" +#include "src/utils/utils.h" + +//----------------------------------------------------------------------------- +// Convert spans of 32 pixels to various RGB formats for the fancy upsampler. + +// These constants are 14b fixed-point version of ITU-R BT.601 constants. +// R = (19077 * y + 26149 * v - 14234) >> 6 +// G = (19077 * y - 6419 * u - 13320 * v + 8708) >> 6 +// B = (19077 * y + 33050 * u - 17685) >> 6 +static void ConvertYUV444ToRGB_SSE2(const __m128i* const Y0, + const __m128i* const U0, + const __m128i* const V0, + __m128i* const R, + __m128i* const G, + __m128i* const B) { + const __m128i k19077 = _mm_set1_epi16(19077); + const __m128i k26149 = _mm_set1_epi16(26149); + const __m128i k14234 = _mm_set1_epi16(14234); + // 33050 doesn't fit in a signed short: only use this with unsigned arithmetic + const __m128i k33050 = _mm_set1_epi16((short)33050); + const __m128i k17685 = _mm_set1_epi16(17685); + const __m128i k6419 = _mm_set1_epi16(6419); + const __m128i k13320 = _mm_set1_epi16(13320); + const __m128i k8708 = _mm_set1_epi16(8708); + + const __m128i Y1 = _mm_mulhi_epu16(*Y0, k19077); + + const __m128i R0 = _mm_mulhi_epu16(*V0, k26149); + const __m128i R1 = _mm_sub_epi16(Y1, k14234); + const __m128i R2 = _mm_add_epi16(R1, R0); + + const __m128i G0 = _mm_mulhi_epu16(*U0, k6419); + const __m128i G1 = _mm_mulhi_epu16(*V0, k13320); + const __m128i G2 = _mm_add_epi16(Y1, k8708); + const __m128i G3 = _mm_add_epi16(G0, G1); + const __m128i G4 = _mm_sub_epi16(G2, G3); + + // be careful with the saturated *unsigned* arithmetic here! + const __m128i B0 = _mm_mulhi_epu16(*U0, k33050); + const __m128i B1 = _mm_adds_epu16(B0, Y1); + const __m128i B2 = _mm_subs_epu16(B1, k17685); + + // use logical shift for B2, which can be larger than 32767 + *R = _mm_srai_epi16(R2, 6); // range: [-14234, 30815] + *G = _mm_srai_epi16(G4, 6); // range: [-10953, 27710] + *B = _mm_srli_epi16(B2, 6); // range: [0, 34238] +} + +// Load the bytes into the *upper* part of 16b words. That's "<< 8", basically. +static WEBP_INLINE __m128i Load_HI_16_SSE2(const uint8_t* src) { + const __m128i zero = _mm_setzero_si128(); + return _mm_unpacklo_epi8(zero, _mm_loadl_epi64((const __m128i*)src)); +} + +// Load and replicate the U/V samples +static WEBP_INLINE __m128i Load_UV_HI_8_SSE2(const uint8_t* src) { + const __m128i zero = _mm_setzero_si128(); + const __m128i tmp0 = _mm_cvtsi32_si128(WebPMemToInt32(src)); + const __m128i tmp1 = _mm_unpacklo_epi8(zero, tmp0); + return _mm_unpacklo_epi16(tmp1, tmp1); // replicate samples +} + +// Convert 32 samples of YUV444 to R/G/B +static void YUV444ToRGB_SSE2(const uint8_t* const y, + const uint8_t* const u, + const uint8_t* const v, + __m128i* const R, __m128i* const G, + __m128i* const B) { + const __m128i Y0 = Load_HI_16_SSE2(y), U0 = Load_HI_16_SSE2(u), + V0 = Load_HI_16_SSE2(v); + ConvertYUV444ToRGB_SSE2(&Y0, &U0, &V0, R, G, B); +} + +// Convert 32 samples of YUV420 to R/G/B +static void YUV420ToRGB_SSE2(const uint8_t* const y, + const uint8_t* const u, + const uint8_t* const v, + __m128i* const R, __m128i* const G, + __m128i* const B) { + const __m128i Y0 = Load_HI_16_SSE2(y), U0 = Load_UV_HI_8_SSE2(u), + V0 = Load_UV_HI_8_SSE2(v); + ConvertYUV444ToRGB_SSE2(&Y0, &U0, &V0, R, G, B); +} + +// Pack R/G/B/A results into 32b output. +static WEBP_INLINE void PackAndStore4_SSE2(const __m128i* const R, + const __m128i* const G, + const __m128i* const B, + const __m128i* const A, + uint8_t* const dst) { + const __m128i rb = _mm_packus_epi16(*R, *B); + const __m128i ga = _mm_packus_epi16(*G, *A); + const __m128i rg = _mm_unpacklo_epi8(rb, ga); + const __m128i ba = _mm_unpackhi_epi8(rb, ga); + const __m128i RGBA_lo = _mm_unpacklo_epi16(rg, ba); + const __m128i RGBA_hi = _mm_unpackhi_epi16(rg, ba); + _mm_storeu_si128((__m128i*)(dst + 0), RGBA_lo); + _mm_storeu_si128((__m128i*)(dst + 16), RGBA_hi); +} + +// Pack R/G/B/A results into 16b output. +static WEBP_INLINE void PackAndStore4444_SSE2(const __m128i* const R, + const __m128i* const G, + const __m128i* const B, + const __m128i* const A, + uint8_t* const dst) { +#if (WEBP_SWAP_16BIT_CSP == 0) + const __m128i rg0 = _mm_packus_epi16(*R, *G); + const __m128i ba0 = _mm_packus_epi16(*B, *A); +#else + const __m128i rg0 = _mm_packus_epi16(*B, *A); + const __m128i ba0 = _mm_packus_epi16(*R, *G); +#endif + const __m128i mask_0xf0 = _mm_set1_epi8((char)0xf0); + const __m128i rb1 = _mm_unpacklo_epi8(rg0, ba0); // rbrbrbrbrb... + const __m128i ga1 = _mm_unpackhi_epi8(rg0, ba0); // gagagagaga... + const __m128i rb2 = _mm_and_si128(rb1, mask_0xf0); + const __m128i ga2 = _mm_srli_epi16(_mm_and_si128(ga1, mask_0xf0), 4); + const __m128i rgba4444 = _mm_or_si128(rb2, ga2); + _mm_storeu_si128((__m128i*)dst, rgba4444); +} + +// Pack R/G/B results into 16b output. +static WEBP_INLINE void PackAndStore565_SSE2(const __m128i* const R, + const __m128i* const G, + const __m128i* const B, + uint8_t* const dst) { + const __m128i r0 = _mm_packus_epi16(*R, *R); + const __m128i g0 = _mm_packus_epi16(*G, *G); + const __m128i b0 = _mm_packus_epi16(*B, *B); + const __m128i r1 = _mm_and_si128(r0, _mm_set1_epi8((char)0xf8)); + const __m128i b1 = _mm_and_si128(_mm_srli_epi16(b0, 3), _mm_set1_epi8(0x1f)); + const __m128i g1 = + _mm_srli_epi16(_mm_and_si128(g0, _mm_set1_epi8((char)0xe0)), 5); + const __m128i g2 = _mm_slli_epi16(_mm_and_si128(g0, _mm_set1_epi8(0x1c)), 3); + const __m128i rg = _mm_or_si128(r1, g1); + const __m128i gb = _mm_or_si128(g2, b1); +#if (WEBP_SWAP_16BIT_CSP == 0) + const __m128i rgb565 = _mm_unpacklo_epi8(rg, gb); +#else + const __m128i rgb565 = _mm_unpacklo_epi8(gb, rg); +#endif + _mm_storeu_si128((__m128i*)dst, rgb565); +} + +// Pack the planar buffers +// rrrr... rrrr... gggg... gggg... bbbb... bbbb.... +// triplet by triplet in the output buffer rgb as rgbrgbrgbrgb ... +static WEBP_INLINE void PlanarTo24b_SSE2(__m128i* const in0, __m128i* const in1, + __m128i* const in2, __m128i* const in3, + __m128i* const in4, __m128i* const in5, + uint8_t* const rgb) { + // The input is 6 registers of sixteen 8b but for the sake of explanation, + // let's take 6 registers of four 8b values. + // To pack, we will keep taking one every two 8b integer and move it + // around as follows: + // Input: + // r0r1r2r3 | r4r5r6r7 | g0g1g2g3 | g4g5g6g7 | b0b1b2b3 | b4b5b6b7 + // Split the 6 registers in two sets of 3 registers: the first set as the even + // 8b bytes, the second the odd ones: + // r0r2r4r6 | g0g2g4g6 | b0b2b4b6 | r1r3r5r7 | g1g3g5g7 | b1b3b5b7 + // Repeat the same permutations twice more: + // r0r4g0g4 | b0b4r1r5 | g1g5b1b5 | r2r6g2g6 | b2b6r3r7 | g3g7b3b7 + // r0g0b0r1 | g1b1r2g2 | b2r3g3b3 | r4g4b4r5 | g5b5r6g6 | b6r7g7b7 + VP8PlanarTo24b_SSE2(in0, in1, in2, in3, in4, in5); + + _mm_storeu_si128((__m128i*)(rgb + 0), *in0); + _mm_storeu_si128((__m128i*)(rgb + 16), *in1); + _mm_storeu_si128((__m128i*)(rgb + 32), *in2); + _mm_storeu_si128((__m128i*)(rgb + 48), *in3); + _mm_storeu_si128((__m128i*)(rgb + 64), *in4); + _mm_storeu_si128((__m128i*)(rgb + 80), *in5); +} + +void VP8YuvToRgba32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v, + uint8_t* dst) { + const __m128i kAlpha = _mm_set1_epi16(255); + int n; + for (n = 0; n < 32; n += 8, dst += 32) { + __m128i R, G, B; + YUV444ToRGB_SSE2(y + n, u + n, v + n, &R, &G, &B); + PackAndStore4_SSE2(&R, &G, &B, &kAlpha, dst); + } +} + +void VP8YuvToBgra32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v, + uint8_t* dst) { + const __m128i kAlpha = _mm_set1_epi16(255); + int n; + for (n = 0; n < 32; n += 8, dst += 32) { + __m128i R, G, B; + YUV444ToRGB_SSE2(y + n, u + n, v + n, &R, &G, &B); + PackAndStore4_SSE2(&B, &G, &R, &kAlpha, dst); + } +} + +void VP8YuvToArgb32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v, + uint8_t* dst) { + const __m128i kAlpha = _mm_set1_epi16(255); + int n; + for (n = 0; n < 32; n += 8, dst += 32) { + __m128i R, G, B; + YUV444ToRGB_SSE2(y + n, u + n, v + n, &R, &G, &B); + PackAndStore4_SSE2(&kAlpha, &R, &G, &B, dst); + } +} + +void VP8YuvToRgba444432_SSE2(const uint8_t* y, const uint8_t* u, + const uint8_t* v, uint8_t* dst) { + const __m128i kAlpha = _mm_set1_epi16(255); + int n; + for (n = 0; n < 32; n += 8, dst += 16) { + __m128i R, G, B; + YUV444ToRGB_SSE2(y + n, u + n, v + n, &R, &G, &B); + PackAndStore4444_SSE2(&R, &G, &B, &kAlpha, dst); + } +} + +void VP8YuvToRgb56532_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v, + uint8_t* dst) { + int n; + for (n = 0; n < 32; n += 8, dst += 16) { + __m128i R, G, B; + YUV444ToRGB_SSE2(y + n, u + n, v + n, &R, &G, &B); + PackAndStore565_SSE2(&R, &G, &B, dst); + } +} + +void VP8YuvToRgb32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v, + uint8_t* dst) { + __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3; + __m128i rgb0, rgb1, rgb2, rgb3, rgb4, rgb5; + + YUV444ToRGB_SSE2(y + 0, u + 0, v + 0, &R0, &G0, &B0); + YUV444ToRGB_SSE2(y + 8, u + 8, v + 8, &R1, &G1, &B1); + YUV444ToRGB_SSE2(y + 16, u + 16, v + 16, &R2, &G2, &B2); + YUV444ToRGB_SSE2(y + 24, u + 24, v + 24, &R3, &G3, &B3); + + // Cast to 8b and store as RRRRGGGGBBBB. + rgb0 = _mm_packus_epi16(R0, R1); + rgb1 = _mm_packus_epi16(R2, R3); + rgb2 = _mm_packus_epi16(G0, G1); + rgb3 = _mm_packus_epi16(G2, G3); + rgb4 = _mm_packus_epi16(B0, B1); + rgb5 = _mm_packus_epi16(B2, B3); + + // Pack as RGBRGBRGBRGB. + PlanarTo24b_SSE2(&rgb0, &rgb1, &rgb2, &rgb3, &rgb4, &rgb5, dst); +} + +void VP8YuvToBgr32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v, + uint8_t* dst) { + __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3; + __m128i bgr0, bgr1, bgr2, bgr3, bgr4, bgr5; + + YUV444ToRGB_SSE2(y + 0, u + 0, v + 0, &R0, &G0, &B0); + YUV444ToRGB_SSE2(y + 8, u + 8, v + 8, &R1, &G1, &B1); + YUV444ToRGB_SSE2(y + 16, u + 16, v + 16, &R2, &G2, &B2); + YUV444ToRGB_SSE2(y + 24, u + 24, v + 24, &R3, &G3, &B3); + + // Cast to 8b and store as BBBBGGGGRRRR. + bgr0 = _mm_packus_epi16(B0, B1); + bgr1 = _mm_packus_epi16(B2, B3); + bgr2 = _mm_packus_epi16(G0, G1); + bgr3 = _mm_packus_epi16(G2, G3); + bgr4 = _mm_packus_epi16(R0, R1); + bgr5= _mm_packus_epi16(R2, R3); + + // Pack as BGRBGRBGRBGR. + PlanarTo24b_SSE2(&bgr0, &bgr1, &bgr2, &bgr3, &bgr4, &bgr5, dst); +} + +//----------------------------------------------------------------------------- +// Arbitrary-length row conversion functions + +static void YuvToRgbaRow_SSE2(const uint8_t* y, + const uint8_t* u, const uint8_t* v, + uint8_t* dst, int len) { + const __m128i kAlpha = _mm_set1_epi16(255); + int n; + for (n = 0; n + 8 <= len; n += 8, dst += 32) { + __m128i R, G, B; + YUV420ToRGB_SSE2(y, u, v, &R, &G, &B); + PackAndStore4_SSE2(&R, &G, &B, &kAlpha, dst); + y += 8; + u += 4; + v += 4; + } + for (; n < len; ++n) { // Finish off + VP8YuvToRgba(y[0], u[0], v[0], dst); + dst += 4; + y += 1; + u += (n & 1); + v += (n & 1); + } +} + +static void YuvToBgraRow_SSE2(const uint8_t* y, + const uint8_t* u, const uint8_t* v, + uint8_t* dst, int len) { + const __m128i kAlpha = _mm_set1_epi16(255); + int n; + for (n = 0; n + 8 <= len; n += 8, dst += 32) { + __m128i R, G, B; + YUV420ToRGB_SSE2(y, u, v, &R, &G, &B); + PackAndStore4_SSE2(&B, &G, &R, &kAlpha, dst); + y += 8; + u += 4; + v += 4; + } + for (; n < len; ++n) { // Finish off + VP8YuvToBgra(y[0], u[0], v[0], dst); + dst += 4; + y += 1; + u += (n & 1); + v += (n & 1); + } +} + +static void YuvToArgbRow_SSE2(const uint8_t* y, + const uint8_t* u, const uint8_t* v, + uint8_t* dst, int len) { + const __m128i kAlpha = _mm_set1_epi16(255); + int n; + for (n = 0; n + 8 <= len; n += 8, dst += 32) { + __m128i R, G, B; + YUV420ToRGB_SSE2(y, u, v, &R, &G, &B); + PackAndStore4_SSE2(&kAlpha, &R, &G, &B, dst); + y += 8; + u += 4; + v += 4; + } + for (; n < len; ++n) { // Finish off + VP8YuvToArgb(y[0], u[0], v[0], dst); + dst += 4; + y += 1; + u += (n & 1); + v += (n & 1); + } +} + +static void YuvToRgbRow_SSE2(const uint8_t* y, + const uint8_t* u, const uint8_t* v, + uint8_t* dst, int len) { + int n; + for (n = 0; n + 32 <= len; n += 32, dst += 32 * 3) { + __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3; + __m128i rgb0, rgb1, rgb2, rgb3, rgb4, rgb5; + + YUV420ToRGB_SSE2(y + 0, u + 0, v + 0, &R0, &G0, &B0); + YUV420ToRGB_SSE2(y + 8, u + 4, v + 4, &R1, &G1, &B1); + YUV420ToRGB_SSE2(y + 16, u + 8, v + 8, &R2, &G2, &B2); + YUV420ToRGB_SSE2(y + 24, u + 12, v + 12, &R3, &G3, &B3); + + // Cast to 8b and store as RRRRGGGGBBBB. + rgb0 = _mm_packus_epi16(R0, R1); + rgb1 = _mm_packus_epi16(R2, R3); + rgb2 = _mm_packus_epi16(G0, G1); + rgb3 = _mm_packus_epi16(G2, G3); + rgb4 = _mm_packus_epi16(B0, B1); + rgb5 = _mm_packus_epi16(B2, B3); + + // Pack as RGBRGBRGBRGB. + PlanarTo24b_SSE2(&rgb0, &rgb1, &rgb2, &rgb3, &rgb4, &rgb5, dst); + + y += 32; + u += 16; + v += 16; + } + for (; n < len; ++n) { // Finish off + VP8YuvToRgb(y[0], u[0], v[0], dst); + dst += 3; + y += 1; + u += (n & 1); + v += (n & 1); + } +} + +static void YuvToBgrRow_SSE2(const uint8_t* y, + const uint8_t* u, const uint8_t* v, + uint8_t* dst, int len) { + int n; + for (n = 0; n + 32 <= len; n += 32, dst += 32 * 3) { + __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3; + __m128i bgr0, bgr1, bgr2, bgr3, bgr4, bgr5; + + YUV420ToRGB_SSE2(y + 0, u + 0, v + 0, &R0, &G0, &B0); + YUV420ToRGB_SSE2(y + 8, u + 4, v + 4, &R1, &G1, &B1); + YUV420ToRGB_SSE2(y + 16, u + 8, v + 8, &R2, &G2, &B2); + YUV420ToRGB_SSE2(y + 24, u + 12, v + 12, &R3, &G3, &B3); + + // Cast to 8b and store as BBBBGGGGRRRR. + bgr0 = _mm_packus_epi16(B0, B1); + bgr1 = _mm_packus_epi16(B2, B3); + bgr2 = _mm_packus_epi16(G0, G1); + bgr3 = _mm_packus_epi16(G2, G3); + bgr4 = _mm_packus_epi16(R0, R1); + bgr5 = _mm_packus_epi16(R2, R3); + + // Pack as BGRBGRBGRBGR. + PlanarTo24b_SSE2(&bgr0, &bgr1, &bgr2, &bgr3, &bgr4, &bgr5, dst); + + y += 32; + u += 16; + v += 16; + } + for (; n < len; ++n) { // Finish off + VP8YuvToBgr(y[0], u[0], v[0], dst); + dst += 3; + y += 1; + u += (n & 1); + v += (n & 1); + } +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void WebPInitSamplersSSE2(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersSSE2(void) { + WebPSamplers[MODE_RGB] = YuvToRgbRow_SSE2; + WebPSamplers[MODE_RGBA] = YuvToRgbaRow_SSE2; + WebPSamplers[MODE_BGR] = YuvToBgrRow_SSE2; + WebPSamplers[MODE_BGRA] = YuvToBgraRow_SSE2; + WebPSamplers[MODE_ARGB] = YuvToArgbRow_SSE2; +} + +//------------------------------------------------------------------------------ +// RGB24/32 -> YUV converters + +// Load eight 16b-words from *src. +#define LOAD_16(src) _mm_loadu_si128((const __m128i*)(src)) +// Store either 16b-words into *dst +#define STORE_16(V, dst) _mm_storeu_si128((__m128i*)(dst), (V)) + +// Function that inserts a value of the second half of the in buffer in between +// every two char of the first half. +static WEBP_INLINE void RGB24PackedToPlanarHelper_SSE2( + const __m128i* const in /*in[6]*/, __m128i* const out /*out[6]*/) { + out[0] = _mm_unpacklo_epi8(in[0], in[3]); + out[1] = _mm_unpackhi_epi8(in[0], in[3]); + out[2] = _mm_unpacklo_epi8(in[1], in[4]); + out[3] = _mm_unpackhi_epi8(in[1], in[4]); + out[4] = _mm_unpacklo_epi8(in[2], in[5]); + out[5] = _mm_unpackhi_epi8(in[2], in[5]); +} + +// Unpack the 8b input rgbrgbrgbrgb ... as contiguous registers: +// rrrr... rrrr... gggg... gggg... bbbb... bbbb.... +// Similar to PlanarTo24bHelper(), but in reverse order. +static WEBP_INLINE void RGB24PackedToPlanar_SSE2( + const uint8_t* const rgb, __m128i* const out /*out[6]*/) { + __m128i tmp[6]; + tmp[0] = _mm_loadu_si128((const __m128i*)(rgb + 0)); + tmp[1] = _mm_loadu_si128((const __m128i*)(rgb + 16)); + tmp[2] = _mm_loadu_si128((const __m128i*)(rgb + 32)); + tmp[3] = _mm_loadu_si128((const __m128i*)(rgb + 48)); + tmp[4] = _mm_loadu_si128((const __m128i*)(rgb + 64)); + tmp[5] = _mm_loadu_si128((const __m128i*)(rgb + 80)); + + RGB24PackedToPlanarHelper_SSE2(tmp, out); + RGB24PackedToPlanarHelper_SSE2(out, tmp); + RGB24PackedToPlanarHelper_SSE2(tmp, out); + RGB24PackedToPlanarHelper_SSE2(out, tmp); + RGB24PackedToPlanarHelper_SSE2(tmp, out); +} + +// Convert 8 packed ARGB to r[], g[], b[] +static WEBP_INLINE void RGB32PackedToPlanar_SSE2(const uint32_t* const argb, + __m128i* const rgb /*in[6]*/) { + const __m128i zero = _mm_setzero_si128(); + __m128i a0 = LOAD_16(argb + 0); + __m128i a1 = LOAD_16(argb + 4); + __m128i a2 = LOAD_16(argb + 8); + __m128i a3 = LOAD_16(argb + 12); + VP8L32bToPlanar_SSE2(&a0, &a1, &a2, &a3); + rgb[0] = _mm_unpacklo_epi8(a1, zero); + rgb[1] = _mm_unpackhi_epi8(a1, zero); + rgb[2] = _mm_unpacklo_epi8(a2, zero); + rgb[3] = _mm_unpackhi_epi8(a2, zero); + rgb[4] = _mm_unpacklo_epi8(a3, zero); + rgb[5] = _mm_unpackhi_epi8(a3, zero); +} + +// This macro computes (RG * MULT_RG + GB * MULT_GB + ROUNDER) >> DESCALE_FIX +// It's a macro and not a function because we need to use immediate values with +// srai_epi32, e.g. +#define TRANSFORM(RG_LO, RG_HI, GB_LO, GB_HI, MULT_RG, MULT_GB, \ + ROUNDER, DESCALE_FIX, OUT) do { \ + const __m128i V0_lo = _mm_madd_epi16(RG_LO, MULT_RG); \ + const __m128i V0_hi = _mm_madd_epi16(RG_HI, MULT_RG); \ + const __m128i V1_lo = _mm_madd_epi16(GB_LO, MULT_GB); \ + const __m128i V1_hi = _mm_madd_epi16(GB_HI, MULT_GB); \ + const __m128i V2_lo = _mm_add_epi32(V0_lo, V1_lo); \ + const __m128i V2_hi = _mm_add_epi32(V0_hi, V1_hi); \ + const __m128i V3_lo = _mm_add_epi32(V2_lo, ROUNDER); \ + const __m128i V3_hi = _mm_add_epi32(V2_hi, ROUNDER); \ + const __m128i V5_lo = _mm_srai_epi32(V3_lo, DESCALE_FIX); \ + const __m128i V5_hi = _mm_srai_epi32(V3_hi, DESCALE_FIX); \ + (OUT) = _mm_packs_epi32(V5_lo, V5_hi); \ +} while (0) + +#define MK_CST_16(A, B) _mm_set_epi16((B), (A), (B), (A), (B), (A), (B), (A)) +static WEBP_INLINE void ConvertRGBToY_SSE2(const __m128i* const R, + const __m128i* const G, + const __m128i* const B, + __m128i* const Y) { + const __m128i kRG_y = MK_CST_16(16839, 33059 - 16384); + const __m128i kGB_y = MK_CST_16(16384, 6420); + const __m128i kHALF_Y = _mm_set1_epi32((16 << YUV_FIX) + YUV_HALF); + + const __m128i RG_lo = _mm_unpacklo_epi16(*R, *G); + const __m128i RG_hi = _mm_unpackhi_epi16(*R, *G); + const __m128i GB_lo = _mm_unpacklo_epi16(*G, *B); + const __m128i GB_hi = _mm_unpackhi_epi16(*G, *B); + TRANSFORM(RG_lo, RG_hi, GB_lo, GB_hi, kRG_y, kGB_y, kHALF_Y, YUV_FIX, *Y); +} + +static WEBP_INLINE void ConvertRGBToUV_SSE2(const __m128i* const R, + const __m128i* const G, + const __m128i* const B, + __m128i* const U, + __m128i* const V) { + const __m128i kRG_u = MK_CST_16(-9719, -19081); + const __m128i kGB_u = MK_CST_16(0, 28800); + const __m128i kRG_v = MK_CST_16(28800, 0); + const __m128i kGB_v = MK_CST_16(-24116, -4684); + const __m128i kHALF_UV = _mm_set1_epi32(((128 << YUV_FIX) + YUV_HALF) << 2); + + const __m128i RG_lo = _mm_unpacklo_epi16(*R, *G); + const __m128i RG_hi = _mm_unpackhi_epi16(*R, *G); + const __m128i GB_lo = _mm_unpacklo_epi16(*G, *B); + const __m128i GB_hi = _mm_unpackhi_epi16(*G, *B); + TRANSFORM(RG_lo, RG_hi, GB_lo, GB_hi, kRG_u, kGB_u, + kHALF_UV, YUV_FIX + 2, *U); + TRANSFORM(RG_lo, RG_hi, GB_lo, GB_hi, kRG_v, kGB_v, + kHALF_UV, YUV_FIX + 2, *V); +} + +#undef MK_CST_16 +#undef TRANSFORM + +static void ConvertRGB24ToY_SSE2(const uint8_t* rgb, uint8_t* y, int width) { + const int max_width = width & ~31; + int i; + for (i = 0; i < max_width; rgb += 3 * 16 * 2) { + __m128i rgb_plane[6]; + int j; + + RGB24PackedToPlanar_SSE2(rgb, rgb_plane); + + for (j = 0; j < 2; ++j, i += 16) { + const __m128i zero = _mm_setzero_si128(); + __m128i r, g, b, Y0, Y1; + + // Convert to 16-bit Y. + r = _mm_unpacklo_epi8(rgb_plane[0 + j], zero); + g = _mm_unpacklo_epi8(rgb_plane[2 + j], zero); + b = _mm_unpacklo_epi8(rgb_plane[4 + j], zero); + ConvertRGBToY_SSE2(&r, &g, &b, &Y0); + + // Convert to 16-bit Y. + r = _mm_unpackhi_epi8(rgb_plane[0 + j], zero); + g = _mm_unpackhi_epi8(rgb_plane[2 + j], zero); + b = _mm_unpackhi_epi8(rgb_plane[4 + j], zero); + ConvertRGBToY_SSE2(&r, &g, &b, &Y1); + + // Cast to 8-bit and store. + STORE_16(_mm_packus_epi16(Y0, Y1), y + i); + } + } + for (; i < width; ++i, rgb += 3) { // left-over + y[i] = VP8RGBToY(rgb[0], rgb[1], rgb[2], YUV_HALF); + } +} + +static void ConvertBGR24ToY_SSE2(const uint8_t* bgr, uint8_t* y, int width) { + const int max_width = width & ~31; + int i; + for (i = 0; i < max_width; bgr += 3 * 16 * 2) { + __m128i bgr_plane[6]; + int j; + + RGB24PackedToPlanar_SSE2(bgr, bgr_plane); + + for (j = 0; j < 2; ++j, i += 16) { + const __m128i zero = _mm_setzero_si128(); + __m128i r, g, b, Y0, Y1; + + // Convert to 16-bit Y. + b = _mm_unpacklo_epi8(bgr_plane[0 + j], zero); + g = _mm_unpacklo_epi8(bgr_plane[2 + j], zero); + r = _mm_unpacklo_epi8(bgr_plane[4 + j], zero); + ConvertRGBToY_SSE2(&r, &g, &b, &Y0); + + // Convert to 16-bit Y. + b = _mm_unpackhi_epi8(bgr_plane[0 + j], zero); + g = _mm_unpackhi_epi8(bgr_plane[2 + j], zero); + r = _mm_unpackhi_epi8(bgr_plane[4 + j], zero); + ConvertRGBToY_SSE2(&r, &g, &b, &Y1); + + // Cast to 8-bit and store. + STORE_16(_mm_packus_epi16(Y0, Y1), y + i); + } + } + for (; i < width; ++i, bgr += 3) { // left-over + y[i] = VP8RGBToY(bgr[2], bgr[1], bgr[0], YUV_HALF); + } +} + +static void ConvertARGBToY_SSE2(const uint32_t* argb, uint8_t* y, int width) { + const int max_width = width & ~15; + int i; + for (i = 0; i < max_width; i += 16) { + __m128i Y0, Y1, rgb[6]; + RGB32PackedToPlanar_SSE2(&argb[i], rgb); + ConvertRGBToY_SSE2(&rgb[0], &rgb[2], &rgb[4], &Y0); + ConvertRGBToY_SSE2(&rgb[1], &rgb[3], &rgb[5], &Y1); + STORE_16(_mm_packus_epi16(Y0, Y1), y + i); + } + for (; i < width; ++i) { // left-over + const uint32_t p = argb[i]; + y[i] = VP8RGBToY((p >> 16) & 0xff, (p >> 8) & 0xff, (p >> 0) & 0xff, + YUV_HALF); + } +} + +// Horizontal add (doubled) of two 16b values, result is 16b. +// in: A | B | C | D | ... -> out: 2*(A+B) | 2*(C+D) | ... +static void HorizontalAddPack_SSE2(const __m128i* const A, + const __m128i* const B, + __m128i* const out) { + const __m128i k2 = _mm_set1_epi16(2); + const __m128i C = _mm_madd_epi16(*A, k2); + const __m128i D = _mm_madd_epi16(*B, k2); + *out = _mm_packs_epi32(C, D); +} + +static void ConvertARGBToUV_SSE2(const uint32_t* argb, + uint8_t* u, uint8_t* v, + int src_width, int do_store) { + const int max_width = src_width & ~31; + int i; + for (i = 0; i < max_width; i += 32, u += 16, v += 16) { + __m128i rgb[6], U0, V0, U1, V1; + RGB32PackedToPlanar_SSE2(&argb[i], rgb); + HorizontalAddPack_SSE2(&rgb[0], &rgb[1], &rgb[0]); + HorizontalAddPack_SSE2(&rgb[2], &rgb[3], &rgb[2]); + HorizontalAddPack_SSE2(&rgb[4], &rgb[5], &rgb[4]); + ConvertRGBToUV_SSE2(&rgb[0], &rgb[2], &rgb[4], &U0, &V0); + + RGB32PackedToPlanar_SSE2(&argb[i + 16], rgb); + HorizontalAddPack_SSE2(&rgb[0], &rgb[1], &rgb[0]); + HorizontalAddPack_SSE2(&rgb[2], &rgb[3], &rgb[2]); + HorizontalAddPack_SSE2(&rgb[4], &rgb[5], &rgb[4]); + ConvertRGBToUV_SSE2(&rgb[0], &rgb[2], &rgb[4], &U1, &V1); + + U0 = _mm_packus_epi16(U0, U1); + V0 = _mm_packus_epi16(V0, V1); + if (!do_store) { + const __m128i prev_u = LOAD_16(u); + const __m128i prev_v = LOAD_16(v); + U0 = _mm_avg_epu8(U0, prev_u); + V0 = _mm_avg_epu8(V0, prev_v); + } + STORE_16(U0, u); + STORE_16(V0, v); + } + if (i < src_width) { // left-over + WebPConvertARGBToUV_C(argb + i, u, v, src_width - i, do_store); + } +} + +// Convert 16 packed ARGB 16b-values to r[], g[], b[] +static WEBP_INLINE void RGBA32PackedToPlanar_16b_SSE2( + const uint16_t* const rgbx, + __m128i* const r, __m128i* const g, __m128i* const b) { + const __m128i in0 = LOAD_16(rgbx + 0); // r0 | g0 | b0 |x| r1 | g1 | b1 |x + const __m128i in1 = LOAD_16(rgbx + 8); // r2 | g2 | b2 |x| r3 | g3 | b3 |x + const __m128i in2 = LOAD_16(rgbx + 16); // r4 | ... + const __m128i in3 = LOAD_16(rgbx + 24); // r6 | ... + // column-wise transpose + const __m128i A0 = _mm_unpacklo_epi16(in0, in1); + const __m128i A1 = _mm_unpackhi_epi16(in0, in1); + const __m128i A2 = _mm_unpacklo_epi16(in2, in3); + const __m128i A3 = _mm_unpackhi_epi16(in2, in3); + const __m128i B0 = _mm_unpacklo_epi16(A0, A1); // r0 r1 r2 r3 | g0 g1 .. + const __m128i B1 = _mm_unpackhi_epi16(A0, A1); // b0 b1 b2 b3 | x x x x + const __m128i B2 = _mm_unpacklo_epi16(A2, A3); // r4 r5 r6 r7 | g4 g5 .. + const __m128i B3 = _mm_unpackhi_epi16(A2, A3); // b4 b5 b6 b7 | x x x x + *r = _mm_unpacklo_epi64(B0, B2); + *g = _mm_unpackhi_epi64(B0, B2); + *b = _mm_unpacklo_epi64(B1, B3); +} + +static void ConvertRGBA32ToUV_SSE2(const uint16_t* rgb, + uint8_t* u, uint8_t* v, int width) { + const int max_width = width & ~15; + const uint16_t* const last_rgb = rgb + 4 * max_width; + while (rgb < last_rgb) { + __m128i r, g, b, U0, V0, U1, V1; + RGBA32PackedToPlanar_16b_SSE2(rgb + 0, &r, &g, &b); + ConvertRGBToUV_SSE2(&r, &g, &b, &U0, &V0); + RGBA32PackedToPlanar_16b_SSE2(rgb + 32, &r, &g, &b); + ConvertRGBToUV_SSE2(&r, &g, &b, &U1, &V1); + STORE_16(_mm_packus_epi16(U0, U1), u); + STORE_16(_mm_packus_epi16(V0, V1), v); + u += 16; + v += 16; + rgb += 2 * 32; + } + if (max_width < width) { // left-over + WebPConvertRGBA32ToUV_C(rgb, u, v, width - max_width); + } +} + +//------------------------------------------------------------------------------ + +extern void WebPInitConvertARGBToYUVSSE2(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPInitConvertARGBToYUVSSE2(void) { + WebPConvertARGBToY = ConvertARGBToY_SSE2; + WebPConvertARGBToUV = ConvertARGBToUV_SSE2; + + WebPConvertRGB24ToY = ConvertRGB24ToY_SSE2; + WebPConvertBGR24ToY = ConvertBGR24ToY_SSE2; + + WebPConvertRGBA32ToUV = ConvertRGBA32ToUV_SSE2; +} + +#else // !WEBP_USE_SSE2 + +WEBP_DSP_INIT_STUB(WebPInitSamplersSSE2) +WEBP_DSP_INIT_STUB(WebPInitConvertARGBToYUVSSE2) + +#endif // WEBP_USE_SSE2 diff --git a/ProductApp/Pods/libwebp/src/dsp/yuv_sse41.c b/ProductApp/Pods/libwebp/src/dsp/yuv_sse41.c new file mode 100644 index 0000000..f79b802 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/dsp/yuv_sse41.c @@ -0,0 +1,615 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// YUV->RGB conversion functions +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/yuv.h" + +#if defined(WEBP_USE_SSE41) + +#include +#include + +#include "src/dsp/common_sse41.h" +#include "src/utils/utils.h" + +//----------------------------------------------------------------------------- +// Convert spans of 32 pixels to various RGB formats for the fancy upsampler. + +// These constants are 14b fixed-point version of ITU-R BT.601 constants. +// R = (19077 * y + 26149 * v - 14234) >> 6 +// G = (19077 * y - 6419 * u - 13320 * v + 8708) >> 6 +// B = (19077 * y + 33050 * u - 17685) >> 6 +static void ConvertYUV444ToRGB_SSE41(const __m128i* const Y0, + const __m128i* const U0, + const __m128i* const V0, + __m128i* const R, + __m128i* const G, + __m128i* const B) { + const __m128i k19077 = _mm_set1_epi16(19077); + const __m128i k26149 = _mm_set1_epi16(26149); + const __m128i k14234 = _mm_set1_epi16(14234); + // 33050 doesn't fit in a signed short: only use this with unsigned arithmetic + const __m128i k33050 = _mm_set1_epi16((short)33050); + const __m128i k17685 = _mm_set1_epi16(17685); + const __m128i k6419 = _mm_set1_epi16(6419); + const __m128i k13320 = _mm_set1_epi16(13320); + const __m128i k8708 = _mm_set1_epi16(8708); + + const __m128i Y1 = _mm_mulhi_epu16(*Y0, k19077); + + const __m128i R0 = _mm_mulhi_epu16(*V0, k26149); + const __m128i R1 = _mm_sub_epi16(Y1, k14234); + const __m128i R2 = _mm_add_epi16(R1, R0); + + const __m128i G0 = _mm_mulhi_epu16(*U0, k6419); + const __m128i G1 = _mm_mulhi_epu16(*V0, k13320); + const __m128i G2 = _mm_add_epi16(Y1, k8708); + const __m128i G3 = _mm_add_epi16(G0, G1); + const __m128i G4 = _mm_sub_epi16(G2, G3); + + // be careful with the saturated *unsigned* arithmetic here! + const __m128i B0 = _mm_mulhi_epu16(*U0, k33050); + const __m128i B1 = _mm_adds_epu16(B0, Y1); + const __m128i B2 = _mm_subs_epu16(B1, k17685); + + // use logical shift for B2, which can be larger than 32767 + *R = _mm_srai_epi16(R2, 6); // range: [-14234, 30815] + *G = _mm_srai_epi16(G4, 6); // range: [-10953, 27710] + *B = _mm_srli_epi16(B2, 6); // range: [0, 34238] +} + +// Load the bytes into the *upper* part of 16b words. That's "<< 8", basically. +static WEBP_INLINE __m128i Load_HI_16_SSE41(const uint8_t* src) { + const __m128i zero = _mm_setzero_si128(); + return _mm_unpacklo_epi8(zero, _mm_loadl_epi64((const __m128i*)src)); +} + +// Load and replicate the U/V samples +static WEBP_INLINE __m128i Load_UV_HI_8_SSE41(const uint8_t* src) { + const __m128i zero = _mm_setzero_si128(); + const __m128i tmp0 = _mm_cvtsi32_si128(WebPMemToInt32(src)); + const __m128i tmp1 = _mm_unpacklo_epi8(zero, tmp0); + return _mm_unpacklo_epi16(tmp1, tmp1); // replicate samples +} + +// Convert 32 samples of YUV444 to R/G/B +static void YUV444ToRGB_SSE41(const uint8_t* const y, + const uint8_t* const u, + const uint8_t* const v, + __m128i* const R, __m128i* const G, + __m128i* const B) { + const __m128i Y0 = Load_HI_16_SSE41(y), U0 = Load_HI_16_SSE41(u), + V0 = Load_HI_16_SSE41(v); + ConvertYUV444ToRGB_SSE41(&Y0, &U0, &V0, R, G, B); +} + +// Convert 32 samples of YUV420 to R/G/B +static void YUV420ToRGB_SSE41(const uint8_t* const y, + const uint8_t* const u, + const uint8_t* const v, + __m128i* const R, __m128i* const G, + __m128i* const B) { + const __m128i Y0 = Load_HI_16_SSE41(y), U0 = Load_UV_HI_8_SSE41(u), + V0 = Load_UV_HI_8_SSE41(v); + ConvertYUV444ToRGB_SSE41(&Y0, &U0, &V0, R, G, B); +} + +// Pack the planar buffers +// rrrr... rrrr... gggg... gggg... bbbb... bbbb.... +// triplet by triplet in the output buffer rgb as rgbrgbrgbrgb ... +static WEBP_INLINE void PlanarTo24b_SSE41( + __m128i* const in0, __m128i* const in1, __m128i* const in2, + __m128i* const in3, __m128i* const in4, __m128i* const in5, + uint8_t* const rgb) { + // The input is 6 registers of sixteen 8b but for the sake of explanation, + // let's take 6 registers of four 8b values. + // To pack, we will keep taking one every two 8b integer and move it + // around as follows: + // Input: + // r0r1r2r3 | r4r5r6r7 | g0g1g2g3 | g4g5g6g7 | b0b1b2b3 | b4b5b6b7 + // Split the 6 registers in two sets of 3 registers: the first set as the even + // 8b bytes, the second the odd ones: + // r0r2r4r6 | g0g2g4g6 | b0b2b4b6 | r1r3r5r7 | g1g3g5g7 | b1b3b5b7 + // Repeat the same permutations twice more: + // r0r4g0g4 | b0b4r1r5 | g1g5b1b5 | r2r6g2g6 | b2b6r3r7 | g3g7b3b7 + // r0g0b0r1 | g1b1r2g2 | b2r3g3b3 | r4g4b4r5 | g5b5r6g6 | b6r7g7b7 + VP8PlanarTo24b_SSE41(in0, in1, in2, in3, in4, in5); + + _mm_storeu_si128((__m128i*)(rgb + 0), *in0); + _mm_storeu_si128((__m128i*)(rgb + 16), *in1); + _mm_storeu_si128((__m128i*)(rgb + 32), *in2); + _mm_storeu_si128((__m128i*)(rgb + 48), *in3); + _mm_storeu_si128((__m128i*)(rgb + 64), *in4); + _mm_storeu_si128((__m128i*)(rgb + 80), *in5); +} + +void VP8YuvToRgb32_SSE41(const uint8_t* y, const uint8_t* u, const uint8_t* v, + uint8_t* dst) { + __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3; + __m128i rgb0, rgb1, rgb2, rgb3, rgb4, rgb5; + + YUV444ToRGB_SSE41(y + 0, u + 0, v + 0, &R0, &G0, &B0); + YUV444ToRGB_SSE41(y + 8, u + 8, v + 8, &R1, &G1, &B1); + YUV444ToRGB_SSE41(y + 16, u + 16, v + 16, &R2, &G2, &B2); + YUV444ToRGB_SSE41(y + 24, u + 24, v + 24, &R3, &G3, &B3); + + // Cast to 8b and store as RRRRGGGGBBBB. + rgb0 = _mm_packus_epi16(R0, R1); + rgb1 = _mm_packus_epi16(R2, R3); + rgb2 = _mm_packus_epi16(G0, G1); + rgb3 = _mm_packus_epi16(G2, G3); + rgb4 = _mm_packus_epi16(B0, B1); + rgb5 = _mm_packus_epi16(B2, B3); + + // Pack as RGBRGBRGBRGB. + PlanarTo24b_SSE41(&rgb0, &rgb1, &rgb2, &rgb3, &rgb4, &rgb5, dst); +} + +void VP8YuvToBgr32_SSE41(const uint8_t* y, const uint8_t* u, const uint8_t* v, + uint8_t* dst) { + __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3; + __m128i bgr0, bgr1, bgr2, bgr3, bgr4, bgr5; + + YUV444ToRGB_SSE41(y + 0, u + 0, v + 0, &R0, &G0, &B0); + YUV444ToRGB_SSE41(y + 8, u + 8, v + 8, &R1, &G1, &B1); + YUV444ToRGB_SSE41(y + 16, u + 16, v + 16, &R2, &G2, &B2); + YUV444ToRGB_SSE41(y + 24, u + 24, v + 24, &R3, &G3, &B3); + + // Cast to 8b and store as BBBBGGGGRRRR. + bgr0 = _mm_packus_epi16(B0, B1); + bgr1 = _mm_packus_epi16(B2, B3); + bgr2 = _mm_packus_epi16(G0, G1); + bgr3 = _mm_packus_epi16(G2, G3); + bgr4 = _mm_packus_epi16(R0, R1); + bgr5= _mm_packus_epi16(R2, R3); + + // Pack as BGRBGRBGRBGR. + PlanarTo24b_SSE41(&bgr0, &bgr1, &bgr2, &bgr3, &bgr4, &bgr5, dst); +} + +//----------------------------------------------------------------------------- +// Arbitrary-length row conversion functions + +static void YuvToRgbRow_SSE41(const uint8_t* y, + const uint8_t* u, const uint8_t* v, + uint8_t* dst, int len) { + int n; + for (n = 0; n + 32 <= len; n += 32, dst += 32 * 3) { + __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3; + __m128i rgb0, rgb1, rgb2, rgb3, rgb4, rgb5; + + YUV420ToRGB_SSE41(y + 0, u + 0, v + 0, &R0, &G0, &B0); + YUV420ToRGB_SSE41(y + 8, u + 4, v + 4, &R1, &G1, &B1); + YUV420ToRGB_SSE41(y + 16, u + 8, v + 8, &R2, &G2, &B2); + YUV420ToRGB_SSE41(y + 24, u + 12, v + 12, &R3, &G3, &B3); + + // Cast to 8b and store as RRRRGGGGBBBB. + rgb0 = _mm_packus_epi16(R0, R1); + rgb1 = _mm_packus_epi16(R2, R3); + rgb2 = _mm_packus_epi16(G0, G1); + rgb3 = _mm_packus_epi16(G2, G3); + rgb4 = _mm_packus_epi16(B0, B1); + rgb5 = _mm_packus_epi16(B2, B3); + + // Pack as RGBRGBRGBRGB. + PlanarTo24b_SSE41(&rgb0, &rgb1, &rgb2, &rgb3, &rgb4, &rgb5, dst); + + y += 32; + u += 16; + v += 16; + } + for (; n < len; ++n) { // Finish off + VP8YuvToRgb(y[0], u[0], v[0], dst); + dst += 3; + y += 1; + u += (n & 1); + v += (n & 1); + } +} + +static void YuvToBgrRow_SSE41(const uint8_t* y, + const uint8_t* u, const uint8_t* v, + uint8_t* dst, int len) { + int n; + for (n = 0; n + 32 <= len; n += 32, dst += 32 * 3) { + __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3; + __m128i bgr0, bgr1, bgr2, bgr3, bgr4, bgr5; + + YUV420ToRGB_SSE41(y + 0, u + 0, v + 0, &R0, &G0, &B0); + YUV420ToRGB_SSE41(y + 8, u + 4, v + 4, &R1, &G1, &B1); + YUV420ToRGB_SSE41(y + 16, u + 8, v + 8, &R2, &G2, &B2); + YUV420ToRGB_SSE41(y + 24, u + 12, v + 12, &R3, &G3, &B3); + + // Cast to 8b and store as BBBBGGGGRRRR. + bgr0 = _mm_packus_epi16(B0, B1); + bgr1 = _mm_packus_epi16(B2, B3); + bgr2 = _mm_packus_epi16(G0, G1); + bgr3 = _mm_packus_epi16(G2, G3); + bgr4 = _mm_packus_epi16(R0, R1); + bgr5 = _mm_packus_epi16(R2, R3); + + // Pack as BGRBGRBGRBGR. + PlanarTo24b_SSE41(&bgr0, &bgr1, &bgr2, &bgr3, &bgr4, &bgr5, dst); + + y += 32; + u += 16; + v += 16; + } + for (; n < len; ++n) { // Finish off + VP8YuvToBgr(y[0], u[0], v[0], dst); + dst += 3; + y += 1; + u += (n & 1); + v += (n & 1); + } +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void WebPInitSamplersSSE41(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersSSE41(void) { + WebPSamplers[MODE_RGB] = YuvToRgbRow_SSE41; + WebPSamplers[MODE_BGR] = YuvToBgrRow_SSE41; +} + +//------------------------------------------------------------------------------ +// RGB24/32 -> YUV converters + +// Load eight 16b-words from *src. +#define LOAD_16(src) _mm_loadu_si128((const __m128i*)(src)) +// Store either 16b-words into *dst +#define STORE_16(V, dst) _mm_storeu_si128((__m128i*)(dst), (V)) + +#define WEBP_SSE41_SHUFF(OUT) do { \ + const __m128i tmp0 = _mm_shuffle_epi8(A0, shuff0); \ + const __m128i tmp1 = _mm_shuffle_epi8(A1, shuff1); \ + const __m128i tmp2 = _mm_shuffle_epi8(A2, shuff2); \ + const __m128i tmp3 = _mm_shuffle_epi8(A3, shuff0); \ + const __m128i tmp4 = _mm_shuffle_epi8(A4, shuff1); \ + const __m128i tmp5 = _mm_shuffle_epi8(A5, shuff2); \ + \ + /* OR everything to get one channel */ \ + const __m128i tmp6 = _mm_or_si128(tmp0, tmp1); \ + const __m128i tmp7 = _mm_or_si128(tmp3, tmp4); \ + out[OUT + 0] = _mm_or_si128(tmp6, tmp2); \ + out[OUT + 1] = _mm_or_si128(tmp7, tmp5); \ +} while (0); + +// Unpack the 8b input rgbrgbrgbrgb ... as contiguous registers: +// rrrr... rrrr... gggg... gggg... bbbb... bbbb.... +// Similar to PlanarTo24bHelper(), but in reverse order. +static WEBP_INLINE void RGB24PackedToPlanar_SSE41( + const uint8_t* const rgb, __m128i* const out /*out[6]*/) { + const __m128i A0 = _mm_loadu_si128((const __m128i*)(rgb + 0)); + const __m128i A1 = _mm_loadu_si128((const __m128i*)(rgb + 16)); + const __m128i A2 = _mm_loadu_si128((const __m128i*)(rgb + 32)); + const __m128i A3 = _mm_loadu_si128((const __m128i*)(rgb + 48)); + const __m128i A4 = _mm_loadu_si128((const __m128i*)(rgb + 64)); + const __m128i A5 = _mm_loadu_si128((const __m128i*)(rgb + 80)); + + // Compute RR. + { + const __m128i shuff0 = _mm_set_epi8( + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 15, 12, 9, 6, 3, 0); + const __m128i shuff1 = _mm_set_epi8( + -1, -1, -1, -1, -1, 14, 11, 8, 5, 2, -1, -1, -1, -1, -1, -1); + const __m128i shuff2 = _mm_set_epi8( + 13, 10, 7, 4, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1); + WEBP_SSE41_SHUFF(0) + } + // Compute GG. + { + const __m128i shuff0 = _mm_set_epi8( + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 13, 10, 7, 4, 1); + const __m128i shuff1 = _mm_set_epi8( + -1, -1, -1, -1, -1, 15, 12, 9, 6, 3, 0, -1, -1, -1, -1, -1); + const __m128i shuff2 = _mm_set_epi8( + 14, 11, 8, 5, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1); + WEBP_SSE41_SHUFF(2) + } + // Compute BB. + { + const __m128i shuff0 = _mm_set_epi8( + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 14, 11, 8, 5, 2); + const __m128i shuff1 = _mm_set_epi8( + -1, -1, -1, -1, -1, -1, 13, 10, 7, 4, 1, -1, -1, -1, -1, -1); + const __m128i shuff2 = _mm_set_epi8( + 15, 12, 9, 6, 3, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1); + WEBP_SSE41_SHUFF(4) + } +} + +#undef WEBP_SSE41_SHUFF + +// Convert 8 packed ARGB to r[], g[], b[] +static WEBP_INLINE void RGB32PackedToPlanar_SSE41( + const uint32_t* const argb, __m128i* const rgb /*in[6]*/) { + const __m128i zero = _mm_setzero_si128(); + __m128i a0 = LOAD_16(argb + 0); + __m128i a1 = LOAD_16(argb + 4); + __m128i a2 = LOAD_16(argb + 8); + __m128i a3 = LOAD_16(argb + 12); + VP8L32bToPlanar_SSE41(&a0, &a1, &a2, &a3); + rgb[0] = _mm_unpacklo_epi8(a1, zero); + rgb[1] = _mm_unpackhi_epi8(a1, zero); + rgb[2] = _mm_unpacklo_epi8(a2, zero); + rgb[3] = _mm_unpackhi_epi8(a2, zero); + rgb[4] = _mm_unpacklo_epi8(a3, zero); + rgb[5] = _mm_unpackhi_epi8(a3, zero); +} + +// This macro computes (RG * MULT_RG + GB * MULT_GB + ROUNDER) >> DESCALE_FIX +// It's a macro and not a function because we need to use immediate values with +// srai_epi32, e.g. +#define TRANSFORM(RG_LO, RG_HI, GB_LO, GB_HI, MULT_RG, MULT_GB, \ + ROUNDER, DESCALE_FIX, OUT) do { \ + const __m128i V0_lo = _mm_madd_epi16(RG_LO, MULT_RG); \ + const __m128i V0_hi = _mm_madd_epi16(RG_HI, MULT_RG); \ + const __m128i V1_lo = _mm_madd_epi16(GB_LO, MULT_GB); \ + const __m128i V1_hi = _mm_madd_epi16(GB_HI, MULT_GB); \ + const __m128i V2_lo = _mm_add_epi32(V0_lo, V1_lo); \ + const __m128i V2_hi = _mm_add_epi32(V0_hi, V1_hi); \ + const __m128i V3_lo = _mm_add_epi32(V2_lo, ROUNDER); \ + const __m128i V3_hi = _mm_add_epi32(V2_hi, ROUNDER); \ + const __m128i V5_lo = _mm_srai_epi32(V3_lo, DESCALE_FIX); \ + const __m128i V5_hi = _mm_srai_epi32(V3_hi, DESCALE_FIX); \ + (OUT) = _mm_packs_epi32(V5_lo, V5_hi); \ +} while (0) + +#define MK_CST_16(A, B) _mm_set_epi16((B), (A), (B), (A), (B), (A), (B), (A)) +static WEBP_INLINE void ConvertRGBToY_SSE41(const __m128i* const R, + const __m128i* const G, + const __m128i* const B, + __m128i* const Y) { + const __m128i kRG_y = MK_CST_16(16839, 33059 - 16384); + const __m128i kGB_y = MK_CST_16(16384, 6420); + const __m128i kHALF_Y = _mm_set1_epi32((16 << YUV_FIX) + YUV_HALF); + + const __m128i RG_lo = _mm_unpacklo_epi16(*R, *G); + const __m128i RG_hi = _mm_unpackhi_epi16(*R, *G); + const __m128i GB_lo = _mm_unpacklo_epi16(*G, *B); + const __m128i GB_hi = _mm_unpackhi_epi16(*G, *B); + TRANSFORM(RG_lo, RG_hi, GB_lo, GB_hi, kRG_y, kGB_y, kHALF_Y, YUV_FIX, *Y); +} + +static WEBP_INLINE void ConvertRGBToUV_SSE41(const __m128i* const R, + const __m128i* const G, + const __m128i* const B, + __m128i* const U, + __m128i* const V) { + const __m128i kRG_u = MK_CST_16(-9719, -19081); + const __m128i kGB_u = MK_CST_16(0, 28800); + const __m128i kRG_v = MK_CST_16(28800, 0); + const __m128i kGB_v = MK_CST_16(-24116, -4684); + const __m128i kHALF_UV = _mm_set1_epi32(((128 << YUV_FIX) + YUV_HALF) << 2); + + const __m128i RG_lo = _mm_unpacklo_epi16(*R, *G); + const __m128i RG_hi = _mm_unpackhi_epi16(*R, *G); + const __m128i GB_lo = _mm_unpacklo_epi16(*G, *B); + const __m128i GB_hi = _mm_unpackhi_epi16(*G, *B); + TRANSFORM(RG_lo, RG_hi, GB_lo, GB_hi, kRG_u, kGB_u, + kHALF_UV, YUV_FIX + 2, *U); + TRANSFORM(RG_lo, RG_hi, GB_lo, GB_hi, kRG_v, kGB_v, + kHALF_UV, YUV_FIX + 2, *V); +} + +#undef MK_CST_16 +#undef TRANSFORM + +static void ConvertRGB24ToY_SSE41(const uint8_t* rgb, uint8_t* y, int width) { + const int max_width = width & ~31; + int i; + for (i = 0; i < max_width; rgb += 3 * 16 * 2) { + __m128i rgb_plane[6]; + int j; + + RGB24PackedToPlanar_SSE41(rgb, rgb_plane); + + for (j = 0; j < 2; ++j, i += 16) { + const __m128i zero = _mm_setzero_si128(); + __m128i r, g, b, Y0, Y1; + + // Convert to 16-bit Y. + r = _mm_unpacklo_epi8(rgb_plane[0 + j], zero); + g = _mm_unpacklo_epi8(rgb_plane[2 + j], zero); + b = _mm_unpacklo_epi8(rgb_plane[4 + j], zero); + ConvertRGBToY_SSE41(&r, &g, &b, &Y0); + + // Convert to 16-bit Y. + r = _mm_unpackhi_epi8(rgb_plane[0 + j], zero); + g = _mm_unpackhi_epi8(rgb_plane[2 + j], zero); + b = _mm_unpackhi_epi8(rgb_plane[4 + j], zero); + ConvertRGBToY_SSE41(&r, &g, &b, &Y1); + + // Cast to 8-bit and store. + STORE_16(_mm_packus_epi16(Y0, Y1), y + i); + } + } + for (; i < width; ++i, rgb += 3) { // left-over + y[i] = VP8RGBToY(rgb[0], rgb[1], rgb[2], YUV_HALF); + } +} + +static void ConvertBGR24ToY_SSE41(const uint8_t* bgr, uint8_t* y, int width) { + const int max_width = width & ~31; + int i; + for (i = 0; i < max_width; bgr += 3 * 16 * 2) { + __m128i bgr_plane[6]; + int j; + + RGB24PackedToPlanar_SSE41(bgr, bgr_plane); + + for (j = 0; j < 2; ++j, i += 16) { + const __m128i zero = _mm_setzero_si128(); + __m128i r, g, b, Y0, Y1; + + // Convert to 16-bit Y. + b = _mm_unpacklo_epi8(bgr_plane[0 + j], zero); + g = _mm_unpacklo_epi8(bgr_plane[2 + j], zero); + r = _mm_unpacklo_epi8(bgr_plane[4 + j], zero); + ConvertRGBToY_SSE41(&r, &g, &b, &Y0); + + // Convert to 16-bit Y. + b = _mm_unpackhi_epi8(bgr_plane[0 + j], zero); + g = _mm_unpackhi_epi8(bgr_plane[2 + j], zero); + r = _mm_unpackhi_epi8(bgr_plane[4 + j], zero); + ConvertRGBToY_SSE41(&r, &g, &b, &Y1); + + // Cast to 8-bit and store. + STORE_16(_mm_packus_epi16(Y0, Y1), y + i); + } + } + for (; i < width; ++i, bgr += 3) { // left-over + y[i] = VP8RGBToY(bgr[2], bgr[1], bgr[0], YUV_HALF); + } +} + +static void ConvertARGBToY_SSE41(const uint32_t* argb, uint8_t* y, int width) { + const int max_width = width & ~15; + int i; + for (i = 0; i < max_width; i += 16) { + __m128i Y0, Y1, rgb[6]; + RGB32PackedToPlanar_SSE41(&argb[i], rgb); + ConvertRGBToY_SSE41(&rgb[0], &rgb[2], &rgb[4], &Y0); + ConvertRGBToY_SSE41(&rgb[1], &rgb[3], &rgb[5], &Y1); + STORE_16(_mm_packus_epi16(Y0, Y1), y + i); + } + for (; i < width; ++i) { // left-over + const uint32_t p = argb[i]; + y[i] = VP8RGBToY((p >> 16) & 0xff, (p >> 8) & 0xff, (p >> 0) & 0xff, + YUV_HALF); + } +} + +// Horizontal add (doubled) of two 16b values, result is 16b. +// in: A | B | C | D | ... -> out: 2*(A+B) | 2*(C+D) | ... +static void HorizontalAddPack_SSE41(const __m128i* const A, + const __m128i* const B, + __m128i* const out) { + const __m128i k2 = _mm_set1_epi16(2); + const __m128i C = _mm_madd_epi16(*A, k2); + const __m128i D = _mm_madd_epi16(*B, k2); + *out = _mm_packs_epi32(C, D); +} + +static void ConvertARGBToUV_SSE41(const uint32_t* argb, + uint8_t* u, uint8_t* v, + int src_width, int do_store) { + const int max_width = src_width & ~31; + int i; + for (i = 0; i < max_width; i += 32, u += 16, v += 16) { + __m128i rgb[6], U0, V0, U1, V1; + RGB32PackedToPlanar_SSE41(&argb[i], rgb); + HorizontalAddPack_SSE41(&rgb[0], &rgb[1], &rgb[0]); + HorizontalAddPack_SSE41(&rgb[2], &rgb[3], &rgb[2]); + HorizontalAddPack_SSE41(&rgb[4], &rgb[5], &rgb[4]); + ConvertRGBToUV_SSE41(&rgb[0], &rgb[2], &rgb[4], &U0, &V0); + + RGB32PackedToPlanar_SSE41(&argb[i + 16], rgb); + HorizontalAddPack_SSE41(&rgb[0], &rgb[1], &rgb[0]); + HorizontalAddPack_SSE41(&rgb[2], &rgb[3], &rgb[2]); + HorizontalAddPack_SSE41(&rgb[4], &rgb[5], &rgb[4]); + ConvertRGBToUV_SSE41(&rgb[0], &rgb[2], &rgb[4], &U1, &V1); + + U0 = _mm_packus_epi16(U0, U1); + V0 = _mm_packus_epi16(V0, V1); + if (!do_store) { + const __m128i prev_u = LOAD_16(u); + const __m128i prev_v = LOAD_16(v); + U0 = _mm_avg_epu8(U0, prev_u); + V0 = _mm_avg_epu8(V0, prev_v); + } + STORE_16(U0, u); + STORE_16(V0, v); + } + if (i < src_width) { // left-over + WebPConvertARGBToUV_C(argb + i, u, v, src_width - i, do_store); + } +} + +// Convert 16 packed ARGB 16b-values to r[], g[], b[] +static WEBP_INLINE void RGBA32PackedToPlanar_16b_SSE41( + const uint16_t* const rgbx, + __m128i* const r, __m128i* const g, __m128i* const b) { + const __m128i in0 = LOAD_16(rgbx + 0); // r0 | g0 | b0 |x| r1 | g1 | b1 |x + const __m128i in1 = LOAD_16(rgbx + 8); // r2 | g2 | b2 |x| r3 | g3 | b3 |x + const __m128i in2 = LOAD_16(rgbx + 16); // r4 | ... + const __m128i in3 = LOAD_16(rgbx + 24); // r6 | ... + // aarrggbb as 16-bit. + const __m128i shuff0 = + _mm_set_epi8(-1, -1, -1, -1, 13, 12, 5, 4, 11, 10, 3, 2, 9, 8, 1, 0); + const __m128i shuff1 = + _mm_set_epi8(13, 12, 5, 4, -1, -1, -1, -1, 11, 10, 3, 2, 9, 8, 1, 0); + const __m128i A0 = _mm_shuffle_epi8(in0, shuff0); + const __m128i A1 = _mm_shuffle_epi8(in1, shuff1); + const __m128i A2 = _mm_shuffle_epi8(in2, shuff0); + const __m128i A3 = _mm_shuffle_epi8(in3, shuff1); + // R0R1G0G1 + // B0B1**** + // R2R3G2G3 + // B2B3**** + // (OR is used to free port 5 for the unpack) + const __m128i B0 = _mm_unpacklo_epi32(A0, A1); + const __m128i B1 = _mm_or_si128(A0, A1); + const __m128i B2 = _mm_unpacklo_epi32(A2, A3); + const __m128i B3 = _mm_or_si128(A2, A3); + // Gather the channels. + *r = _mm_unpacklo_epi64(B0, B2); + *g = _mm_unpackhi_epi64(B0, B2); + *b = _mm_unpackhi_epi64(B1, B3); +} + +static void ConvertRGBA32ToUV_SSE41(const uint16_t* rgb, + uint8_t* u, uint8_t* v, int width) { + const int max_width = width & ~15; + const uint16_t* const last_rgb = rgb + 4 * max_width; + while (rgb < last_rgb) { + __m128i r, g, b, U0, V0, U1, V1; + RGBA32PackedToPlanar_16b_SSE41(rgb + 0, &r, &g, &b); + ConvertRGBToUV_SSE41(&r, &g, &b, &U0, &V0); + RGBA32PackedToPlanar_16b_SSE41(rgb + 32, &r, &g, &b); + ConvertRGBToUV_SSE41(&r, &g, &b, &U1, &V1); + STORE_16(_mm_packus_epi16(U0, U1), u); + STORE_16(_mm_packus_epi16(V0, V1), v); + u += 16; + v += 16; + rgb += 2 * 32; + } + if (max_width < width) { // left-over + WebPConvertRGBA32ToUV_C(rgb, u, v, width - max_width); + } +} + +//------------------------------------------------------------------------------ + +extern void WebPInitConvertARGBToYUVSSE41(void); + +WEBP_TSAN_IGNORE_FUNCTION void WebPInitConvertARGBToYUVSSE41(void) { + WebPConvertARGBToY = ConvertARGBToY_SSE41; + WebPConvertARGBToUV = ConvertARGBToUV_SSE41; + + WebPConvertRGB24ToY = ConvertRGB24ToY_SSE41; + WebPConvertBGR24ToY = ConvertBGR24ToY_SSE41; + + WebPConvertRGBA32ToUV = ConvertRGBA32ToUV_SSE41; +} + +//------------------------------------------------------------------------------ + +#else // !WEBP_USE_SSE41 + +WEBP_DSP_INIT_STUB(WebPInitSamplersSSE41) +WEBP_DSP_INIT_STUB(WebPInitConvertARGBToYUVSSE41) + +#endif // WEBP_USE_SSE41 diff --git a/ProductApp/Pods/libwebp/src/enc/Makefile.am b/ProductApp/Pods/libwebp/src/enc/Makefile.am new file mode 100644 index 0000000..2fec804 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/Makefile.am @@ -0,0 +1,43 @@ +AM_CPPFLAGS += -I$(top_builddir) -I$(top_srcdir) +noinst_LTLIBRARIES = libwebpencode.la + +libwebpencode_la_SOURCES = +libwebpencode_la_SOURCES += alpha_enc.c +libwebpencode_la_SOURCES += analysis_enc.c +libwebpencode_la_SOURCES += backward_references_cost_enc.c +libwebpencode_la_SOURCES += backward_references_enc.c +libwebpencode_la_SOURCES += backward_references_enc.h +libwebpencode_la_SOURCES += config_enc.c +libwebpencode_la_SOURCES += cost_enc.c +libwebpencode_la_SOURCES += cost_enc.h +libwebpencode_la_SOURCES += filter_enc.c +libwebpencode_la_SOURCES += frame_enc.c +libwebpencode_la_SOURCES += histogram_enc.c +libwebpencode_la_SOURCES += histogram_enc.h +libwebpencode_la_SOURCES += iterator_enc.c +libwebpencode_la_SOURCES += near_lossless_enc.c +libwebpencode_la_SOURCES += picture_enc.c +libwebpencode_la_SOURCES += picture_csp_enc.c +libwebpencode_la_SOURCES += picture_psnr_enc.c +libwebpencode_la_SOURCES += picture_rescale_enc.c +libwebpencode_la_SOURCES += picture_tools_enc.c +libwebpencode_la_SOURCES += predictor_enc.c +libwebpencode_la_SOURCES += quant_enc.c +libwebpencode_la_SOURCES += syntax_enc.c +libwebpencode_la_SOURCES += token_enc.c +libwebpencode_la_SOURCES += tree_enc.c +libwebpencode_la_SOURCES += vp8i_enc.h +libwebpencode_la_SOURCES += vp8l_enc.c +libwebpencode_la_SOURCES += vp8li_enc.h +libwebpencode_la_SOURCES += webp_enc.c + +libwebpencodeinclude_HEADERS = +libwebpencodeinclude_HEADERS += ../webp/encode.h +libwebpencodeinclude_HEADERS += ../webp/types.h +noinst_HEADERS = +noinst_HEADERS += ../webp/format_constants.h + +libwebpencode_la_LIBADD = ../../sharpyuv/libsharpyuv.la +libwebpencode_la_LDFLAGS = -lm +libwebpencode_la_CPPFLAGS = $(AM_CPPFLAGS) +libwebpencodeincludedir = $(includedir)/webp diff --git a/ProductApp/Pods/libwebp/src/enc/alpha_enc.c b/ProductApp/Pods/libwebp/src/enc/alpha_enc.c new file mode 100644 index 0000000..26f0034 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/alpha_enc.c @@ -0,0 +1,453 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Alpha-plane compression. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include +#include +#include + +#include "src/enc/vp8i_enc.h" +#include "src/dsp/dsp.h" +#include "src/utils/filters_utils.h" +#include "src/utils/quant_levels_utils.h" +#include "src/utils/utils.h" +#include "src/webp/format_constants.h" + +// ----------------------------------------------------------------------------- +// Encodes the given alpha data via specified compression method 'method'. +// The pre-processing (quantization) is performed if 'quality' is less than 100. +// For such cases, the encoding is lossy. The valid range is [0, 100] for +// 'quality' and [0, 1] for 'method': +// 'method = 0' - No compression; +// 'method = 1' - Use lossless coder on the alpha plane only +// 'filter' values [0, 4] correspond to prediction modes none, horizontal, +// vertical & gradient filters. The prediction mode 4 will try all the +// prediction modes 0 to 3 and pick the best one. +// 'effort_level': specifies how much effort must be spent to try and reduce +// the compressed output size. In range 0 (quick) to 6 (slow). +// +// 'output' corresponds to the buffer containing compressed alpha data. +// This buffer is allocated by this method and caller should call +// WebPSafeFree(*output) when done. +// 'output_size' corresponds to size of this compressed alpha buffer. +// +// Returns 1 on successfully encoding the alpha and +// 0 if either: +// invalid quality or method, or +// memory allocation for the compressed data fails. + +#include "src/enc/vp8li_enc.h" + +static int EncodeLossless(const uint8_t* const data, int width, int height, + int effort_level, // in [0..6] range + int use_quality_100, VP8LBitWriter* const bw, + WebPAuxStats* const stats) { + int ok = 0; + WebPConfig config; + WebPPicture picture; + + WebPPictureInit(&picture); + picture.width = width; + picture.height = height; + picture.use_argb = 1; + picture.stats = stats; + if (!WebPPictureAlloc(&picture)) return 0; + + // Transfer the alpha values to the green channel. + WebPDispatchAlphaToGreen(data, width, picture.width, picture.height, + picture.argb, picture.argb_stride); + + WebPConfigInit(&config); + config.lossless = 1; + // Enable exact, or it would alter RGB values of transparent alpha, which is + // normally OK but not here since we are not encoding the input image but an + // internal encoding-related image containing necessary exact information in + // RGB channels. + config.exact = 1; + config.method = effort_level; // impact is very small + // Set a low default quality for encoding alpha. Ensure that Alpha quality at + // lower methods (3 and below) is less than the threshold for triggering + // costly 'BackwardReferencesTraceBackwards'. + // If the alpha quality is set to 100 and the method to 6, allow for a high + // lossless quality to trigger the cruncher. + config.quality = + (use_quality_100 && effort_level == 6) ? 100 : 8.f * effort_level; + assert(config.quality >= 0 && config.quality <= 100.f); + + // TODO(urvang): Temporary fix to avoid generating images that trigger + // a decoder bug related to alpha with color cache. + // See: https://code.google.com/p/webp/issues/detail?id=239 + // Need to re-enable this later. + ok = VP8LEncodeStream(&config, &picture, bw, /*use_cache=*/0); + WebPPictureFree(&picture); + ok = ok && !bw->error_; + if (!ok) { + VP8LBitWriterWipeOut(bw); + return 0; + } + return 1; +} + +// ----------------------------------------------------------------------------- + +// Small struct to hold the result of a filter mode compression attempt. +typedef struct { + size_t score; + VP8BitWriter bw; + WebPAuxStats stats; +} FilterTrial; + +// This function always returns an initialized 'bw' object, even upon error. +static int EncodeAlphaInternal(const uint8_t* const data, int width, int height, + int method, int filter, int reduce_levels, + int effort_level, // in [0..6] range + uint8_t* const tmp_alpha, + FilterTrial* result) { + int ok = 0; + const uint8_t* alpha_src; + WebPFilterFunc filter_func; + uint8_t header; + const size_t data_size = width * height; + const uint8_t* output = NULL; + size_t output_size = 0; + VP8LBitWriter tmp_bw; + + assert((uint64_t)data_size == (uint64_t)width * height); // as per spec + assert(filter >= 0 && filter < WEBP_FILTER_LAST); + assert(method >= ALPHA_NO_COMPRESSION); + assert(method <= ALPHA_LOSSLESS_COMPRESSION); + assert(sizeof(header) == ALPHA_HEADER_LEN); + + filter_func = WebPFilters[filter]; + if (filter_func != NULL) { + filter_func(data, width, height, width, tmp_alpha); + alpha_src = tmp_alpha; + } else { + alpha_src = data; + } + + if (method != ALPHA_NO_COMPRESSION) { + ok = VP8LBitWriterInit(&tmp_bw, data_size >> 3); + ok = ok && EncodeLossless(alpha_src, width, height, effort_level, + !reduce_levels, &tmp_bw, &result->stats); + if (ok) { + output = VP8LBitWriterFinish(&tmp_bw); + if (tmp_bw.error_) { + VP8LBitWriterWipeOut(&tmp_bw); + memset(&result->bw, 0, sizeof(result->bw)); + return 0; + } + output_size = VP8LBitWriterNumBytes(&tmp_bw); + if (output_size > data_size) { + // compressed size is larger than source! Revert to uncompressed mode. + method = ALPHA_NO_COMPRESSION; + VP8LBitWriterWipeOut(&tmp_bw); + } + } else { + VP8LBitWriterWipeOut(&tmp_bw); + memset(&result->bw, 0, sizeof(result->bw)); + return 0; + } + } + + if (method == ALPHA_NO_COMPRESSION) { + output = alpha_src; + output_size = data_size; + ok = 1; + } + + // Emit final result. + header = method | (filter << 2); + if (reduce_levels) header |= ALPHA_PREPROCESSED_LEVELS << 4; + + if (!VP8BitWriterInit(&result->bw, ALPHA_HEADER_LEN + output_size)) ok = 0; + ok = ok && VP8BitWriterAppend(&result->bw, &header, ALPHA_HEADER_LEN); + ok = ok && VP8BitWriterAppend(&result->bw, output, output_size); + + if (method != ALPHA_NO_COMPRESSION) { + VP8LBitWriterWipeOut(&tmp_bw); + } + ok = ok && !result->bw.error_; + result->score = VP8BitWriterSize(&result->bw); + return ok; +} + +// ----------------------------------------------------------------------------- + +static int GetNumColors(const uint8_t* data, int width, int height, + int stride) { + int j; + int colors = 0; + uint8_t color[256] = { 0 }; + + for (j = 0; j < height; ++j) { + int i; + const uint8_t* const p = data + j * stride; + for (i = 0; i < width; ++i) { + color[p[i]] = 1; + } + } + for (j = 0; j < 256; ++j) { + if (color[j] > 0) ++colors; + } + return colors; +} + +#define FILTER_TRY_NONE (1 << WEBP_FILTER_NONE) +#define FILTER_TRY_ALL ((1 << WEBP_FILTER_LAST) - 1) + +// Given the input 'filter' option, return an OR'd bit-set of filters to try. +static uint32_t GetFilterMap(const uint8_t* alpha, int width, int height, + int filter, int effort_level) { + uint32_t bit_map = 0U; + if (filter == WEBP_FILTER_FAST) { + // Quick estimate of the best candidate. + int try_filter_none = (effort_level > 3); + const int kMinColorsForFilterNone = 16; + const int kMaxColorsForFilterNone = 192; + const int num_colors = GetNumColors(alpha, width, height, width); + // For low number of colors, NONE yields better compression. + filter = (num_colors <= kMinColorsForFilterNone) + ? WEBP_FILTER_NONE + : WebPEstimateBestFilter(alpha, width, height, width); + bit_map |= 1 << filter; + // For large number of colors, try FILTER_NONE in addition to the best + // filter as well. + if (try_filter_none || num_colors > kMaxColorsForFilterNone) { + bit_map |= FILTER_TRY_NONE; + } + } else if (filter == WEBP_FILTER_NONE) { + bit_map = FILTER_TRY_NONE; + } else { // WEBP_FILTER_BEST -> try all + bit_map = FILTER_TRY_ALL; + } + return bit_map; +} + +static void InitFilterTrial(FilterTrial* const score) { + score->score = (size_t)~0U; + VP8BitWriterInit(&score->bw, 0); +} + +static int ApplyFiltersAndEncode(const uint8_t* alpha, int width, int height, + size_t data_size, int method, int filter, + int reduce_levels, int effort_level, + uint8_t** const output, + size_t* const output_size, + WebPAuxStats* const stats) { + int ok = 1; + FilterTrial best; + uint32_t try_map = + GetFilterMap(alpha, width, height, filter, effort_level); + InitFilterTrial(&best); + + if (try_map != FILTER_TRY_NONE) { + uint8_t* filtered_alpha = (uint8_t*)WebPSafeMalloc(1ULL, data_size); + if (filtered_alpha == NULL) return 0; + + for (filter = WEBP_FILTER_NONE; ok && try_map; ++filter, try_map >>= 1) { + if (try_map & 1) { + FilterTrial trial; + ok = EncodeAlphaInternal(alpha, width, height, method, filter, + reduce_levels, effort_level, filtered_alpha, + &trial); + if (ok && trial.score < best.score) { + VP8BitWriterWipeOut(&best.bw); + best = trial; + } else { + VP8BitWriterWipeOut(&trial.bw); + } + } + } + WebPSafeFree(filtered_alpha); + } else { + ok = EncodeAlphaInternal(alpha, width, height, method, WEBP_FILTER_NONE, + reduce_levels, effort_level, NULL, &best); + } + if (ok) { +#if !defined(WEBP_DISABLE_STATS) + if (stats != NULL) { + stats->lossless_features = best.stats.lossless_features; + stats->histogram_bits = best.stats.histogram_bits; + stats->transform_bits = best.stats.transform_bits; + stats->cache_bits = best.stats.cache_bits; + stats->palette_size = best.stats.palette_size; + stats->lossless_size = best.stats.lossless_size; + stats->lossless_hdr_size = best.stats.lossless_hdr_size; + stats->lossless_data_size = best.stats.lossless_data_size; + } +#else + (void)stats; +#endif + *output_size = VP8BitWriterSize(&best.bw); + *output = VP8BitWriterBuf(&best.bw); + } else { + VP8BitWriterWipeOut(&best.bw); + } + return ok; +} + +static int EncodeAlpha(VP8Encoder* const enc, + int quality, int method, int filter, + int effort_level, + uint8_t** const output, size_t* const output_size) { + const WebPPicture* const pic = enc->pic_; + const int width = pic->width; + const int height = pic->height; + + uint8_t* quant_alpha = NULL; + const size_t data_size = width * height; + uint64_t sse = 0; + int ok = 1; + const int reduce_levels = (quality < 100); + + // quick correctness checks + assert((uint64_t)data_size == (uint64_t)width * height); // as per spec + assert(enc != NULL && pic != NULL && pic->a != NULL); + assert(output != NULL && output_size != NULL); + assert(width > 0 && height > 0); + assert(pic->a_stride >= width); + assert(filter >= WEBP_FILTER_NONE && filter <= WEBP_FILTER_FAST); + + if (quality < 0 || quality > 100) { + return WebPEncodingSetError(pic, VP8_ENC_ERROR_INVALID_CONFIGURATION); + } + + if (method < ALPHA_NO_COMPRESSION || method > ALPHA_LOSSLESS_COMPRESSION) { + return WebPEncodingSetError(pic, VP8_ENC_ERROR_INVALID_CONFIGURATION); + } + + if (method == ALPHA_NO_COMPRESSION) { + // Don't filter, as filtering will make no impact on compressed size. + filter = WEBP_FILTER_NONE; + } + + quant_alpha = (uint8_t*)WebPSafeMalloc(1ULL, data_size); + if (quant_alpha == NULL) { + return WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + + // Extract alpha data (width x height) from raw_data (stride x height). + WebPCopyPlane(pic->a, pic->a_stride, quant_alpha, width, width, height); + + if (reduce_levels) { // No Quantization required for 'quality = 100'. + // 16 alpha levels gives quite a low MSE w.r.t original alpha plane hence + // mapped to moderate quality 70. Hence Quality:[0, 70] -> Levels:[2, 16] + // and Quality:]70, 100] -> Levels:]16, 256]. + const int alpha_levels = (quality <= 70) ? (2 + quality / 5) + : (16 + (quality - 70) * 8); + ok = QuantizeLevels(quant_alpha, width, height, alpha_levels, &sse); + } + + if (ok) { + VP8FiltersInit(); + ok = ApplyFiltersAndEncode(quant_alpha, width, height, data_size, method, + filter, reduce_levels, effort_level, output, + output_size, pic->stats); + if (!ok) { + WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); // imprecise + } +#if !defined(WEBP_DISABLE_STATS) + if (pic->stats != NULL) { // need stats? + pic->stats->coded_size += (int)(*output_size); + enc->sse_[3] = sse; + } +#endif + } + + WebPSafeFree(quant_alpha); + return ok; +} + +//------------------------------------------------------------------------------ +// Main calls + +static int CompressAlphaJob(void* arg1, void* unused) { + VP8Encoder* const enc = (VP8Encoder*)arg1; + const WebPConfig* config = enc->config_; + uint8_t* alpha_data = NULL; + size_t alpha_size = 0; + const int effort_level = config->method; // maps to [0..6] + const WEBP_FILTER_TYPE filter = + (config->alpha_filtering == 0) ? WEBP_FILTER_NONE : + (config->alpha_filtering == 1) ? WEBP_FILTER_FAST : + WEBP_FILTER_BEST; + if (!EncodeAlpha(enc, config->alpha_quality, config->alpha_compression, + filter, effort_level, &alpha_data, &alpha_size)) { + return 0; + } + if (alpha_size != (uint32_t)alpha_size) { // Soundness check. + WebPSafeFree(alpha_data); + return 0; + } + enc->alpha_data_size_ = (uint32_t)alpha_size; + enc->alpha_data_ = alpha_data; + (void)unused; + return 1; +} + +void VP8EncInitAlpha(VP8Encoder* const enc) { + WebPInitAlphaProcessing(); + enc->has_alpha_ = WebPPictureHasTransparency(enc->pic_); + enc->alpha_data_ = NULL; + enc->alpha_data_size_ = 0; + if (enc->thread_level_ > 0) { + WebPWorker* const worker = &enc->alpha_worker_; + WebPGetWorkerInterface()->Init(worker); + worker->data1 = enc; + worker->data2 = NULL; + worker->hook = CompressAlphaJob; + } +} + +int VP8EncStartAlpha(VP8Encoder* const enc) { + if (enc->has_alpha_) { + if (enc->thread_level_ > 0) { + WebPWorker* const worker = &enc->alpha_worker_; + // Makes sure worker is good to go. + if (!WebPGetWorkerInterface()->Reset(worker)) { + return WebPEncodingSetError(enc->pic_, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + WebPGetWorkerInterface()->Launch(worker); + return 1; + } else { + return CompressAlphaJob(enc, NULL); // just do the job right away + } + } + return 1; +} + +int VP8EncFinishAlpha(VP8Encoder* const enc) { + if (enc->has_alpha_) { + if (enc->thread_level_ > 0) { + WebPWorker* const worker = &enc->alpha_worker_; + if (!WebPGetWorkerInterface()->Sync(worker)) return 0; // error + } + } + return WebPReportProgress(enc->pic_, enc->percent_ + 20, &enc->percent_); +} + +int VP8EncDeleteAlpha(VP8Encoder* const enc) { + int ok = 1; + if (enc->thread_level_ > 0) { + WebPWorker* const worker = &enc->alpha_worker_; + // finish anything left in flight + ok = WebPGetWorkerInterface()->Sync(worker); + // still need to end the worker, even if !ok + WebPGetWorkerInterface()->End(worker); + } + WebPSafeFree(enc->alpha_data_); + enc->alpha_data_ = NULL; + enc->alpha_data_size_ = 0; + enc->has_alpha_ = 0; + return ok; +} diff --git a/ProductApp/Pods/libwebp/src/enc/analysis_enc.c b/ProductApp/Pods/libwebp/src/enc/analysis_enc.c new file mode 100644 index 0000000..962eaa9 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/analysis_enc.c @@ -0,0 +1,483 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Macroblock analysis +// +// Author: Skal (pascal.massimino@gmail.com) + +#include +#include +#include + +#include "src/enc/vp8i_enc.h" +#include "src/enc/cost_enc.h" +#include "src/utils/utils.h" + +#define MAX_ITERS_K_MEANS 6 + +//------------------------------------------------------------------------------ +// Smooth the segment map by replacing isolated block by the majority of its +// neighbours. + +static void SmoothSegmentMap(VP8Encoder* const enc) { + int n, x, y; + const int w = enc->mb_w_; + const int h = enc->mb_h_; + const int majority_cnt_3_x_3_grid = 5; + uint8_t* const tmp = (uint8_t*)WebPSafeMalloc(w * h, sizeof(*tmp)); + assert((uint64_t)(w * h) == (uint64_t)w * h); // no overflow, as per spec + + if (tmp == NULL) return; + for (y = 1; y < h - 1; ++y) { + for (x = 1; x < w - 1; ++x) { + int cnt[NUM_MB_SEGMENTS] = { 0 }; + const VP8MBInfo* const mb = &enc->mb_info_[x + w * y]; + int majority_seg = mb->segment_; + // Check the 8 neighbouring segment values. + cnt[mb[-w - 1].segment_]++; // top-left + cnt[mb[-w + 0].segment_]++; // top + cnt[mb[-w + 1].segment_]++; // top-right + cnt[mb[ - 1].segment_]++; // left + cnt[mb[ + 1].segment_]++; // right + cnt[mb[ w - 1].segment_]++; // bottom-left + cnt[mb[ w + 0].segment_]++; // bottom + cnt[mb[ w + 1].segment_]++; // bottom-right + for (n = 0; n < NUM_MB_SEGMENTS; ++n) { + if (cnt[n] >= majority_cnt_3_x_3_grid) { + majority_seg = n; + break; + } + } + tmp[x + y * w] = majority_seg; + } + } + for (y = 1; y < h - 1; ++y) { + for (x = 1; x < w - 1; ++x) { + VP8MBInfo* const mb = &enc->mb_info_[x + w * y]; + mb->segment_ = tmp[x + y * w]; + } + } + WebPSafeFree(tmp); +} + +//------------------------------------------------------------------------------ +// set segment susceptibility alpha_ / beta_ + +static WEBP_INLINE int clip(int v, int m, int M) { + return (v < m) ? m : (v > M) ? M : v; +} + +static void SetSegmentAlphas(VP8Encoder* const enc, + const int centers[NUM_MB_SEGMENTS], + int mid) { + const int nb = enc->segment_hdr_.num_segments_; + int min = centers[0], max = centers[0]; + int n; + + if (nb > 1) { + for (n = 0; n < nb; ++n) { + if (min > centers[n]) min = centers[n]; + if (max < centers[n]) max = centers[n]; + } + } + if (max == min) max = min + 1; + assert(mid <= max && mid >= min); + for (n = 0; n < nb; ++n) { + const int alpha = 255 * (centers[n] - mid) / (max - min); + const int beta = 255 * (centers[n] - min) / (max - min); + enc->dqm_[n].alpha_ = clip(alpha, -127, 127); + enc->dqm_[n].beta_ = clip(beta, 0, 255); + } +} + +//------------------------------------------------------------------------------ +// Compute susceptibility based on DCT-coeff histograms: +// the higher, the "easier" the macroblock is to compress. + +#define MAX_ALPHA 255 // 8b of precision for susceptibilities. +#define ALPHA_SCALE (2 * MAX_ALPHA) // scaling factor for alpha. +#define DEFAULT_ALPHA (-1) +#define IS_BETTER_ALPHA(alpha, best_alpha) ((alpha) > (best_alpha)) + +static int FinalAlphaValue(int alpha) { + alpha = MAX_ALPHA - alpha; + return clip(alpha, 0, MAX_ALPHA); +} + +static int GetAlpha(const VP8Histogram* const histo) { + // 'alpha' will later be clipped to [0..MAX_ALPHA] range, clamping outer + // values which happen to be mostly noise. This leaves the maximum precision + // for handling the useful small values which contribute most. + const int max_value = histo->max_value; + const int last_non_zero = histo->last_non_zero; + const int alpha = + (max_value > 1) ? ALPHA_SCALE * last_non_zero / max_value : 0; + return alpha; +} + +static void InitHistogram(VP8Histogram* const histo) { + histo->max_value = 0; + histo->last_non_zero = 1; +} + +//------------------------------------------------------------------------------ +// Simplified k-Means, to assign Nb segments based on alpha-histogram + +static void AssignSegments(VP8Encoder* const enc, + const int alphas[MAX_ALPHA + 1]) { + // 'num_segments_' is previously validated and <= NUM_MB_SEGMENTS, but an + // explicit check is needed to avoid spurious warning about 'n + 1' exceeding + // array bounds of 'centers' with some compilers (noticed with gcc-4.9). + const int nb = (enc->segment_hdr_.num_segments_ < NUM_MB_SEGMENTS) ? + enc->segment_hdr_.num_segments_ : NUM_MB_SEGMENTS; + int centers[NUM_MB_SEGMENTS]; + int weighted_average = 0; + int map[MAX_ALPHA + 1]; + int a, n, k; + int min_a = 0, max_a = MAX_ALPHA, range_a; + // 'int' type is ok for histo, and won't overflow + int accum[NUM_MB_SEGMENTS], dist_accum[NUM_MB_SEGMENTS]; + + assert(nb >= 1); + assert(nb <= NUM_MB_SEGMENTS); + + // bracket the input + for (n = 0; n <= MAX_ALPHA && alphas[n] == 0; ++n) {} + min_a = n; + for (n = MAX_ALPHA; n > min_a && alphas[n] == 0; --n) {} + max_a = n; + range_a = max_a - min_a; + + // Spread initial centers evenly + for (k = 0, n = 1; k < nb; ++k, n += 2) { + assert(n < 2 * nb); + centers[k] = min_a + (n * range_a) / (2 * nb); + } + + for (k = 0; k < MAX_ITERS_K_MEANS; ++k) { // few iters are enough + int total_weight; + int displaced; + // Reset stats + for (n = 0; n < nb; ++n) { + accum[n] = 0; + dist_accum[n] = 0; + } + // Assign nearest center for each 'a' + n = 0; // track the nearest center for current 'a' + for (a = min_a; a <= max_a; ++a) { + if (alphas[a]) { + while (n + 1 < nb && abs(a - centers[n + 1]) < abs(a - centers[n])) { + n++; + } + map[a] = n; + // accumulate contribution into best centroid + dist_accum[n] += a * alphas[a]; + accum[n] += alphas[a]; + } + } + // All point are classified. Move the centroids to the + // center of their respective cloud. + displaced = 0; + weighted_average = 0; + total_weight = 0; + for (n = 0; n < nb; ++n) { + if (accum[n]) { + const int new_center = (dist_accum[n] + accum[n] / 2) / accum[n]; + displaced += abs(centers[n] - new_center); + centers[n] = new_center; + weighted_average += new_center * accum[n]; + total_weight += accum[n]; + } + } + weighted_average = (weighted_average + total_weight / 2) / total_weight; + if (displaced < 5) break; // no need to keep on looping... + } + + // Map each original value to the closest centroid + for (n = 0; n < enc->mb_w_ * enc->mb_h_; ++n) { + VP8MBInfo* const mb = &enc->mb_info_[n]; + const int alpha = mb->alpha_; + mb->segment_ = map[alpha]; + mb->alpha_ = centers[map[alpha]]; // for the record. + } + + if (nb > 1) { + const int smooth = (enc->config_->preprocessing & 1); + if (smooth) SmoothSegmentMap(enc); + } + + SetSegmentAlphas(enc, centers, weighted_average); // pick some alphas. +} + +//------------------------------------------------------------------------------ +// Macroblock analysis: collect histogram for each mode, deduce the maximal +// susceptibility and set best modes for this macroblock. +// Segment assignment is done later. + +// Number of modes to inspect for alpha_ evaluation. We don't need to test all +// the possible modes during the analysis phase: we risk falling into a local +// optimum, or be subject to boundary effect +#define MAX_INTRA16_MODE 2 +#define MAX_INTRA4_MODE 2 +#define MAX_UV_MODE 2 + +static int MBAnalyzeBestIntra16Mode(VP8EncIterator* const it) { + const int max_mode = MAX_INTRA16_MODE; + int mode; + int best_alpha = DEFAULT_ALPHA; + int best_mode = 0; + + VP8MakeLuma16Preds(it); + for (mode = 0; mode < max_mode; ++mode) { + VP8Histogram histo; + int alpha; + + InitHistogram(&histo); + VP8CollectHistogram(it->yuv_in_ + Y_OFF_ENC, + it->yuv_p_ + VP8I16ModeOffsets[mode], + 0, 16, &histo); + alpha = GetAlpha(&histo); + if (IS_BETTER_ALPHA(alpha, best_alpha)) { + best_alpha = alpha; + best_mode = mode; + } + } + VP8SetIntra16Mode(it, best_mode); + return best_alpha; +} + +static int FastMBAnalyze(VP8EncIterator* const it) { + // Empirical cut-off value, should be around 16 (~=block size). We use the + // [8-17] range and favor intra4 at high quality, intra16 for low quality. + const int q = (int)it->enc_->config_->quality; + const uint32_t kThreshold = 8 + (17 - 8) * q / 100; + int k; + uint32_t dc[16], m, m2; + for (k = 0; k < 16; k += 4) { + VP8Mean16x4(it->yuv_in_ + Y_OFF_ENC + k * BPS, &dc[k]); + } + for (m = 0, m2 = 0, k = 0; k < 16; ++k) { + m += dc[k]; + m2 += dc[k] * dc[k]; + } + if (kThreshold * m2 < m * m) { + VP8SetIntra16Mode(it, 0); // DC16 + } else { + const uint8_t modes[16] = { 0 }; // DC4 + VP8SetIntra4Mode(it, modes); + } + return 0; +} + +static int MBAnalyzeBestUVMode(VP8EncIterator* const it) { + int best_alpha = DEFAULT_ALPHA; + int smallest_alpha = 0; + int best_mode = 0; + const int max_mode = MAX_UV_MODE; + int mode; + + VP8MakeChroma8Preds(it); + for (mode = 0; mode < max_mode; ++mode) { + VP8Histogram histo; + int alpha; + InitHistogram(&histo); + VP8CollectHistogram(it->yuv_in_ + U_OFF_ENC, + it->yuv_p_ + VP8UVModeOffsets[mode], + 16, 16 + 4 + 4, &histo); + alpha = GetAlpha(&histo); + if (IS_BETTER_ALPHA(alpha, best_alpha)) { + best_alpha = alpha; + } + // The best prediction mode tends to be the one with the smallest alpha. + if (mode == 0 || alpha < smallest_alpha) { + smallest_alpha = alpha; + best_mode = mode; + } + } + VP8SetIntraUVMode(it, best_mode); + return best_alpha; +} + +static void MBAnalyze(VP8EncIterator* const it, + int alphas[MAX_ALPHA + 1], + int* const alpha, int* const uv_alpha) { + const VP8Encoder* const enc = it->enc_; + int best_alpha, best_uv_alpha; + + VP8SetIntra16Mode(it, 0); // default: Intra16, DC_PRED + VP8SetSkip(it, 0); // not skipped + VP8SetSegment(it, 0); // default segment, spec-wise. + + if (enc->method_ <= 1) { + best_alpha = FastMBAnalyze(it); + } else { + best_alpha = MBAnalyzeBestIntra16Mode(it); + } + best_uv_alpha = MBAnalyzeBestUVMode(it); + + // Final susceptibility mix + best_alpha = (3 * best_alpha + best_uv_alpha + 2) >> 2; + best_alpha = FinalAlphaValue(best_alpha); + alphas[best_alpha]++; + it->mb_->alpha_ = best_alpha; // for later remapping. + + // Accumulate for later complexity analysis. + *alpha += best_alpha; // mixed susceptibility (not just luma) + *uv_alpha += best_uv_alpha; +} + +static void DefaultMBInfo(VP8MBInfo* const mb) { + mb->type_ = 1; // I16x16 + mb->uv_mode_ = 0; + mb->skip_ = 0; // not skipped + mb->segment_ = 0; // default segment + mb->alpha_ = 0; +} + +//------------------------------------------------------------------------------ +// Main analysis loop: +// Collect all susceptibilities for each macroblock and record their +// distribution in alphas[]. Segments is assigned a-posteriori, based on +// this histogram. +// We also pick an intra16 prediction mode, which shouldn't be considered +// final except for fast-encode settings. We can also pick some intra4 modes +// and decide intra4/intra16, but that's usually almost always a bad choice at +// this stage. + +static void ResetAllMBInfo(VP8Encoder* const enc) { + int n; + for (n = 0; n < enc->mb_w_ * enc->mb_h_; ++n) { + DefaultMBInfo(&enc->mb_info_[n]); + } + // Default susceptibilities. + enc->dqm_[0].alpha_ = 0; + enc->dqm_[0].beta_ = 0; + // Note: we can't compute this alpha_ / uv_alpha_ -> set to default value. + enc->alpha_ = 0; + enc->uv_alpha_ = 0; + WebPReportProgress(enc->pic_, enc->percent_ + 20, &enc->percent_); +} + +// struct used to collect job result +typedef struct { + WebPWorker worker; + int alphas[MAX_ALPHA + 1]; + int alpha, uv_alpha; + VP8EncIterator it; + int delta_progress; +} SegmentJob; + +// main work call +static int DoSegmentsJob(void* arg1, void* arg2) { + SegmentJob* const job = (SegmentJob*)arg1; + VP8EncIterator* const it = (VP8EncIterator*)arg2; + int ok = 1; + if (!VP8IteratorIsDone(it)) { + uint8_t tmp[32 + WEBP_ALIGN_CST]; + uint8_t* const scratch = (uint8_t*)WEBP_ALIGN(tmp); + do { + // Let's pretend we have perfect lossless reconstruction. + VP8IteratorImport(it, scratch); + MBAnalyze(it, job->alphas, &job->alpha, &job->uv_alpha); + ok = VP8IteratorProgress(it, job->delta_progress); + } while (ok && VP8IteratorNext(it)); + } + return ok; +} + +#ifdef WEBP_USE_THREAD +static void MergeJobs(const SegmentJob* const src, SegmentJob* const dst) { + int i; + for (i = 0; i <= MAX_ALPHA; ++i) dst->alphas[i] += src->alphas[i]; + dst->alpha += src->alpha; + dst->uv_alpha += src->uv_alpha; +} +#endif + +// initialize the job struct with some tasks to perform +static void InitSegmentJob(VP8Encoder* const enc, SegmentJob* const job, + int start_row, int end_row) { + WebPGetWorkerInterface()->Init(&job->worker); + job->worker.data1 = job; + job->worker.data2 = &job->it; + job->worker.hook = DoSegmentsJob; + VP8IteratorInit(enc, &job->it); + VP8IteratorSetRow(&job->it, start_row); + VP8IteratorSetCountDown(&job->it, (end_row - start_row) * enc->mb_w_); + memset(job->alphas, 0, sizeof(job->alphas)); + job->alpha = 0; + job->uv_alpha = 0; + // only one of both jobs can record the progress, since we don't + // expect the user's hook to be multi-thread safe + job->delta_progress = (start_row == 0) ? 20 : 0; +} + +// main entry point +int VP8EncAnalyze(VP8Encoder* const enc) { + int ok = 1; + const int do_segments = + enc->config_->emulate_jpeg_size || // We need the complexity evaluation. + (enc->segment_hdr_.num_segments_ > 1) || + (enc->method_ <= 1); // for method 0 - 1, we need preds_[] to be filled. + if (do_segments) { + const int last_row = enc->mb_h_; + const int total_mb = last_row * enc->mb_w_; +#ifdef WEBP_USE_THREAD + // We give a little more than a half work to the main thread. + const int split_row = (9 * last_row + 15) >> 4; + const int kMinSplitRow = 2; // minimal rows needed for mt to be worth it + const int do_mt = (enc->thread_level_ > 0) && (split_row >= kMinSplitRow); +#else + const int do_mt = 0; +#endif + const WebPWorkerInterface* const worker_interface = + WebPGetWorkerInterface(); + SegmentJob main_job; + if (do_mt) { +#ifdef WEBP_USE_THREAD + SegmentJob side_job; + // Note the use of '&' instead of '&&' because we must call the functions + // no matter what. + InitSegmentJob(enc, &main_job, 0, split_row); + InitSegmentJob(enc, &side_job, split_row, last_row); + // we don't need to call Reset() on main_job.worker, since we're calling + // WebPWorkerExecute() on it + ok &= worker_interface->Reset(&side_job.worker); + // launch the two jobs in parallel + if (ok) { + worker_interface->Launch(&side_job.worker); + worker_interface->Execute(&main_job.worker); + ok &= worker_interface->Sync(&side_job.worker); + ok &= worker_interface->Sync(&main_job.worker); + } + worker_interface->End(&side_job.worker); + if (ok) MergeJobs(&side_job, &main_job); // merge results together +#endif // WEBP_USE_THREAD + } else { + // Even for single-thread case, we use the generic Worker tools. + InitSegmentJob(enc, &main_job, 0, last_row); + worker_interface->Execute(&main_job.worker); + ok &= worker_interface->Sync(&main_job.worker); + } + worker_interface->End(&main_job.worker); + if (ok) { + enc->alpha_ = main_job.alpha / total_mb; + enc->uv_alpha_ = main_job.uv_alpha / total_mb; + AssignSegments(enc, main_job.alphas); + } + } else { // Use only one default segment. + ResetAllMBInfo(enc); + } + if (!ok) { + return WebPEncodingSetError(enc->pic_, + VP8_ENC_ERROR_OUT_OF_MEMORY); // imprecise + } + return ok; +} + diff --git a/ProductApp/Pods/libwebp/src/enc/backward_references_cost_enc.c b/ProductApp/Pods/libwebp/src/enc/backward_references_cost_enc.c new file mode 100644 index 0000000..6968ef3 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/backward_references_cost_enc.c @@ -0,0 +1,795 @@ +// Copyright 2017 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Improves a given set of backward references by analyzing its bit cost. +// The algorithm is similar to the Zopfli compression algorithm but tailored to +// images. +// +// Author: Vincent Rabaud (vrabaud@google.com) +// + +#include +#include + +#include "src/dsp/lossless_common.h" +#include "src/enc/backward_references_enc.h" +#include "src/enc/histogram_enc.h" +#include "src/utils/color_cache_utils.h" +#include "src/utils/utils.h" + +#define VALUES_IN_BYTE 256 + +extern void VP8LClearBackwardRefs(VP8LBackwardRefs* const refs); +extern int VP8LDistanceToPlaneCode(int xsize, int dist); +extern void VP8LBackwardRefsCursorAdd(VP8LBackwardRefs* const refs, + const PixOrCopy v); + +typedef struct { + float alpha_[VALUES_IN_BYTE]; + float red_[VALUES_IN_BYTE]; + float blue_[VALUES_IN_BYTE]; + float distance_[NUM_DISTANCE_CODES]; + float* literal_; +} CostModel; + +static void ConvertPopulationCountTableToBitEstimates( + int num_symbols, const uint32_t population_counts[], float output[]) { + uint32_t sum = 0; + int nonzeros = 0; + int i; + for (i = 0; i < num_symbols; ++i) { + sum += population_counts[i]; + if (population_counts[i] > 0) { + ++nonzeros; + } + } + if (nonzeros <= 1) { + memset(output, 0, num_symbols * sizeof(*output)); + } else { + const float logsum = VP8LFastLog2(sum); + for (i = 0; i < num_symbols; ++i) { + output[i] = logsum - VP8LFastLog2(population_counts[i]); + } + } +} + +static int CostModelBuild(CostModel* const m, int xsize, int cache_bits, + const VP8LBackwardRefs* const refs) { + int ok = 0; + VP8LRefsCursor c = VP8LRefsCursorInit(refs); + VP8LHistogram* const histo = VP8LAllocateHistogram(cache_bits); + if (histo == NULL) goto Error; + + // The following code is similar to VP8LHistogramCreate but converts the + // distance to plane code. + VP8LHistogramInit(histo, cache_bits, /*init_arrays=*/ 1); + while (VP8LRefsCursorOk(&c)) { + VP8LHistogramAddSinglePixOrCopy(histo, c.cur_pos, VP8LDistanceToPlaneCode, + xsize); + VP8LRefsCursorNext(&c); + } + + ConvertPopulationCountTableToBitEstimates( + VP8LHistogramNumCodes(histo->palette_code_bits_), histo->literal_, + m->literal_); + ConvertPopulationCountTableToBitEstimates( + VALUES_IN_BYTE, histo->red_, m->red_); + ConvertPopulationCountTableToBitEstimates( + VALUES_IN_BYTE, histo->blue_, m->blue_); + ConvertPopulationCountTableToBitEstimates( + VALUES_IN_BYTE, histo->alpha_, m->alpha_); + ConvertPopulationCountTableToBitEstimates( + NUM_DISTANCE_CODES, histo->distance_, m->distance_); + ok = 1; + + Error: + VP8LFreeHistogram(histo); + return ok; +} + +static WEBP_INLINE float GetLiteralCost(const CostModel* const m, uint32_t v) { + return m->alpha_[v >> 24] + + m->red_[(v >> 16) & 0xff] + + m->literal_[(v >> 8) & 0xff] + + m->blue_[v & 0xff]; +} + +static WEBP_INLINE float GetCacheCost(const CostModel* const m, uint32_t idx) { + const int literal_idx = VALUES_IN_BYTE + NUM_LENGTH_CODES + idx; + return m->literal_[literal_idx]; +} + +static WEBP_INLINE float GetLengthCost(const CostModel* const m, + uint32_t length) { + int code, extra_bits; + VP8LPrefixEncodeBits(length, &code, &extra_bits); + return m->literal_[VALUES_IN_BYTE + code] + extra_bits; +} + +static WEBP_INLINE float GetDistanceCost(const CostModel* const m, + uint32_t distance) { + int code, extra_bits; + VP8LPrefixEncodeBits(distance, &code, &extra_bits); + return m->distance_[code] + extra_bits; +} + +static WEBP_INLINE void AddSingleLiteralWithCostModel( + const uint32_t* const argb, VP8LColorCache* const hashers, + const CostModel* const cost_model, int idx, int use_color_cache, + float prev_cost, float* const cost, uint16_t* const dist_array) { + float cost_val = prev_cost; + const uint32_t color = argb[idx]; + const int ix = use_color_cache ? VP8LColorCacheContains(hashers, color) : -1; + if (ix >= 0) { + // use_color_cache is true and hashers contains color + const float mul0 = 0.68f; + cost_val += GetCacheCost(cost_model, ix) * mul0; + } else { + const float mul1 = 0.82f; + if (use_color_cache) VP8LColorCacheInsert(hashers, color); + cost_val += GetLiteralCost(cost_model, color) * mul1; + } + if (cost[idx] > cost_val) { + cost[idx] = cost_val; + dist_array[idx] = 1; // only one is inserted. + } +} + +// ----------------------------------------------------------------------------- +// CostManager and interval handling + +// Empirical value to avoid high memory consumption but good for performance. +#define COST_CACHE_INTERVAL_SIZE_MAX 500 + +// To perform backward reference every pixel at index index_ is considered and +// the cost for the MAX_LENGTH following pixels computed. Those following pixels +// at index index_ + k (k from 0 to MAX_LENGTH) have a cost of: +// cost_ = distance cost at index + GetLengthCost(cost_model, k) +// and the minimum value is kept. GetLengthCost(cost_model, k) is cached in an +// array of size MAX_LENGTH. +// Instead of performing MAX_LENGTH comparisons per pixel, we keep track of the +// minimal values using intervals of constant cost. +// An interval is defined by the index_ of the pixel that generated it and +// is only useful in a range of indices from start_ to end_ (exclusive), i.e. +// it contains the minimum value for pixels between start_ and end_. +// Intervals are stored in a linked list and ordered by start_. When a new +// interval has a better value, old intervals are split or removed. There are +// therefore no overlapping intervals. +typedef struct CostInterval CostInterval; +struct CostInterval { + float cost_; + int start_; + int end_; + int index_; + CostInterval* previous_; + CostInterval* next_; +}; + +// The GetLengthCost(cost_model, k) are cached in a CostCacheInterval. +typedef struct { + float cost_; + int start_; + int end_; // Exclusive. +} CostCacheInterval; + +// This structure is in charge of managing intervals and costs. +// It caches the different CostCacheInterval, caches the different +// GetLengthCost(cost_model, k) in cost_cache_ and the CostInterval's (whose +// count_ is limited by COST_CACHE_INTERVAL_SIZE_MAX). +#define COST_MANAGER_MAX_FREE_LIST 10 +typedef struct { + CostInterval* head_; + int count_; // The number of stored intervals. + CostCacheInterval* cache_intervals_; + size_t cache_intervals_size_; + float cost_cache_[MAX_LENGTH]; // Contains the GetLengthCost(cost_model, k). + float* costs_; + uint16_t* dist_array_; + // Most of the time, we only need few intervals -> use a free-list, to avoid + // fragmentation with small allocs in most common cases. + CostInterval intervals_[COST_MANAGER_MAX_FREE_LIST]; + CostInterval* free_intervals_; + // These are regularly malloc'd remains. This list can't grow larger than than + // size COST_CACHE_INTERVAL_SIZE_MAX - COST_MANAGER_MAX_FREE_LIST, note. + CostInterval* recycled_intervals_; +} CostManager; + +static void CostIntervalAddToFreeList(CostManager* const manager, + CostInterval* const interval) { + interval->next_ = manager->free_intervals_; + manager->free_intervals_ = interval; +} + +static int CostIntervalIsInFreeList(const CostManager* const manager, + const CostInterval* const interval) { + return (interval >= &manager->intervals_[0] && + interval <= &manager->intervals_[COST_MANAGER_MAX_FREE_LIST - 1]); +} + +static void CostManagerInitFreeList(CostManager* const manager) { + int i; + manager->free_intervals_ = NULL; + for (i = 0; i < COST_MANAGER_MAX_FREE_LIST; ++i) { + CostIntervalAddToFreeList(manager, &manager->intervals_[i]); + } +} + +static void DeleteIntervalList(CostManager* const manager, + const CostInterval* interval) { + while (interval != NULL) { + const CostInterval* const next = interval->next_; + if (!CostIntervalIsInFreeList(manager, interval)) { + WebPSafeFree((void*)interval); + } // else: do nothing + interval = next; + } +} + +static void CostManagerClear(CostManager* const manager) { + if (manager == NULL) return; + + WebPSafeFree(manager->costs_); + WebPSafeFree(manager->cache_intervals_); + + // Clear the interval lists. + DeleteIntervalList(manager, manager->head_); + manager->head_ = NULL; + DeleteIntervalList(manager, manager->recycled_intervals_); + manager->recycled_intervals_ = NULL; + + // Reset pointers, count_ and cache_intervals_size_. + memset(manager, 0, sizeof(*manager)); + CostManagerInitFreeList(manager); +} + +static int CostManagerInit(CostManager* const manager, + uint16_t* const dist_array, int pix_count, + const CostModel* const cost_model) { + int i; + const int cost_cache_size = (pix_count > MAX_LENGTH) ? MAX_LENGTH : pix_count; + + manager->costs_ = NULL; + manager->cache_intervals_ = NULL; + manager->head_ = NULL; + manager->recycled_intervals_ = NULL; + manager->count_ = 0; + manager->dist_array_ = dist_array; + CostManagerInitFreeList(manager); + + // Fill in the cost_cache_. + // Has to be done in two passes due to a GCC bug on i686 + // related to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=323 + for (i = 0; i < cost_cache_size; ++i) { + manager->cost_cache_[i] = GetLengthCost(cost_model, i); + } + manager->cache_intervals_size_ = 1; + for (i = 1; i < cost_cache_size; ++i) { + // Get the number of bound intervals. + if (manager->cost_cache_[i] != manager->cost_cache_[i - 1]) { + ++manager->cache_intervals_size_; + } + } + + // With the current cost model, we usually have below 20 intervals. + // The worst case scenario with a cost model would be if every length has a + // different cost, hence MAX_LENGTH but that is impossible with the current + // implementation that spirals around a pixel. + assert(manager->cache_intervals_size_ <= MAX_LENGTH); + manager->cache_intervals_ = (CostCacheInterval*)WebPSafeMalloc( + manager->cache_intervals_size_, sizeof(*manager->cache_intervals_)); + if (manager->cache_intervals_ == NULL) { + CostManagerClear(manager); + return 0; + } + + // Fill in the cache_intervals_. + { + CostCacheInterval* cur = manager->cache_intervals_; + + // Consecutive values in cost_cache_ are compared and if a big enough + // difference is found, a new interval is created and bounded. + cur->start_ = 0; + cur->end_ = 1; + cur->cost_ = manager->cost_cache_[0]; + for (i = 1; i < cost_cache_size; ++i) { + const float cost_val = manager->cost_cache_[i]; + if (cost_val != cur->cost_) { + ++cur; + // Initialize an interval. + cur->start_ = i; + cur->cost_ = cost_val; + } + cur->end_ = i + 1; + } + assert((size_t)(cur - manager->cache_intervals_) + 1 == + manager->cache_intervals_size_); + } + + manager->costs_ = (float*)WebPSafeMalloc(pix_count, sizeof(*manager->costs_)); + if (manager->costs_ == NULL) { + CostManagerClear(manager); + return 0; + } + // Set the initial costs_ high for every pixel as we will keep the minimum. + for (i = 0; i < pix_count; ++i) manager->costs_[i] = FLT_MAX; + + return 1; +} + +// Given the cost and the position that define an interval, update the cost at +// pixel 'i' if it is smaller than the previously computed value. +static WEBP_INLINE void UpdateCost(CostManager* const manager, int i, + int position, float cost) { + const int k = i - position; + assert(k >= 0 && k < MAX_LENGTH); + + if (manager->costs_[i] > cost) { + manager->costs_[i] = cost; + manager->dist_array_[i] = k + 1; + } +} + +// Given the cost and the position that define an interval, update the cost for +// all the pixels between 'start' and 'end' excluded. +static WEBP_INLINE void UpdateCostPerInterval(CostManager* const manager, + int start, int end, int position, + float cost) { + int i; + for (i = start; i < end; ++i) UpdateCost(manager, i, position, cost); +} + +// Given two intervals, make 'prev' be the previous one of 'next' in 'manager'. +static WEBP_INLINE void ConnectIntervals(CostManager* const manager, + CostInterval* const prev, + CostInterval* const next) { + if (prev != NULL) { + prev->next_ = next; + } else { + manager->head_ = next; + } + + if (next != NULL) next->previous_ = prev; +} + +// Pop an interval in the manager. +static WEBP_INLINE void PopInterval(CostManager* const manager, + CostInterval* const interval) { + if (interval == NULL) return; + + ConnectIntervals(manager, interval->previous_, interval->next_); + if (CostIntervalIsInFreeList(manager, interval)) { + CostIntervalAddToFreeList(manager, interval); + } else { // recycle regularly malloc'd intervals too + interval->next_ = manager->recycled_intervals_; + manager->recycled_intervals_ = interval; + } + --manager->count_; + assert(manager->count_ >= 0); +} + +// Update the cost at index i by going over all the stored intervals that +// overlap with i. +// If 'do_clean_intervals' is set to something different than 0, intervals that +// end before 'i' will be popped. +static WEBP_INLINE void UpdateCostAtIndex(CostManager* const manager, int i, + int do_clean_intervals) { + CostInterval* current = manager->head_; + + while (current != NULL && current->start_ <= i) { + CostInterval* const next = current->next_; + if (current->end_ <= i) { + if (do_clean_intervals) { + // We have an outdated interval, remove it. + PopInterval(manager, current); + } + } else { + UpdateCost(manager, i, current->index_, current->cost_); + } + current = next; + } +} + +// Given a current orphan interval and its previous interval, before +// it was orphaned (which can be NULL), set it at the right place in the list +// of intervals using the start_ ordering and the previous interval as a hint. +static WEBP_INLINE void PositionOrphanInterval(CostManager* const manager, + CostInterval* const current, + CostInterval* previous) { + assert(current != NULL); + + if (previous == NULL) previous = manager->head_; + while (previous != NULL && current->start_ < previous->start_) { + previous = previous->previous_; + } + while (previous != NULL && previous->next_ != NULL && + previous->next_->start_ < current->start_) { + previous = previous->next_; + } + + if (previous != NULL) { + ConnectIntervals(manager, current, previous->next_); + } else { + ConnectIntervals(manager, current, manager->head_); + } + ConnectIntervals(manager, previous, current); +} + +// Insert an interval in the list contained in the manager by starting at +// interval_in as a hint. The intervals are sorted by start_ value. +static WEBP_INLINE void InsertInterval(CostManager* const manager, + CostInterval* const interval_in, + float cost, int position, int start, + int end) { + CostInterval* interval_new; + + if (start >= end) return; + if (manager->count_ >= COST_CACHE_INTERVAL_SIZE_MAX) { + // Serialize the interval if we cannot store it. + UpdateCostPerInterval(manager, start, end, position, cost); + return; + } + if (manager->free_intervals_ != NULL) { + interval_new = manager->free_intervals_; + manager->free_intervals_ = interval_new->next_; + } else if (manager->recycled_intervals_ != NULL) { + interval_new = manager->recycled_intervals_; + manager->recycled_intervals_ = interval_new->next_; + } else { // malloc for good + interval_new = (CostInterval*)WebPSafeMalloc(1, sizeof(*interval_new)); + if (interval_new == NULL) { + // Write down the interval if we cannot create it. + UpdateCostPerInterval(manager, start, end, position, cost); + return; + } + } + + interval_new->cost_ = cost; + interval_new->index_ = position; + interval_new->start_ = start; + interval_new->end_ = end; + PositionOrphanInterval(manager, interval_new, interval_in); + + ++manager->count_; +} + +// Given a new cost interval defined by its start at position, its length value +// and distance_cost, add its contributions to the previous intervals and costs. +// If handling the interval or one of its subintervals becomes to heavy, its +// contribution is added to the costs right away. +static WEBP_INLINE void PushInterval(CostManager* const manager, + float distance_cost, int position, + int len) { + size_t i; + CostInterval* interval = manager->head_; + CostInterval* interval_next; + const CostCacheInterval* const cost_cache_intervals = + manager->cache_intervals_; + // If the interval is small enough, no need to deal with the heavy + // interval logic, just serialize it right away. This constant is empirical. + const int kSkipDistance = 10; + + if (len < kSkipDistance) { + int j; + for (j = position; j < position + len; ++j) { + const int k = j - position; + float cost_tmp; + assert(k >= 0 && k < MAX_LENGTH); + cost_tmp = distance_cost + manager->cost_cache_[k]; + + if (manager->costs_[j] > cost_tmp) { + manager->costs_[j] = cost_tmp; + manager->dist_array_[j] = k + 1; + } + } + return; + } + + for (i = 0; i < manager->cache_intervals_size_ && + cost_cache_intervals[i].start_ < len; + ++i) { + // Define the intersection of the ith interval with the new one. + int start = position + cost_cache_intervals[i].start_; + const int end = position + (cost_cache_intervals[i].end_ > len + ? len + : cost_cache_intervals[i].end_); + const float cost = distance_cost + cost_cache_intervals[i].cost_; + + for (; interval != NULL && interval->start_ < end; + interval = interval_next) { + interval_next = interval->next_; + + // Make sure we have some overlap + if (start >= interval->end_) continue; + + if (cost >= interval->cost_) { + // When intervals are represented, the lower, the better. + // [**********************************************************[ + // start end + // [----------------------------------[ + // interval->start_ interval->end_ + // If we are worse than what we already have, add whatever we have so + // far up to interval. + const int start_new = interval->end_; + InsertInterval(manager, interval, cost, position, start, + interval->start_); + start = start_new; + if (start >= end) break; + continue; + } + + if (start <= interval->start_) { + if (interval->end_ <= end) { + // [----------------------------------[ + // interval->start_ interval->end_ + // [**************************************************************[ + // start end + // We can safely remove the old interval as it is fully included. + PopInterval(manager, interval); + } else { + // [------------------------------------[ + // interval->start_ interval->end_ + // [*****************************[ + // start end + interval->start_ = end; + break; + } + } else { + if (end < interval->end_) { + // [--------------------------------------------------------------[ + // interval->start_ interval->end_ + // [*****************************[ + // start end + // We have to split the old interval as it fully contains the new one. + const int end_original = interval->end_; + interval->end_ = start; + InsertInterval(manager, interval, interval->cost_, interval->index_, + end, end_original); + interval = interval->next_; + break; + } else { + // [------------------------------------[ + // interval->start_ interval->end_ + // [*****************************[ + // start end + interval->end_ = start; + } + } + } + // Insert the remaining interval from start to end. + InsertInterval(manager, interval, cost, position, start, end); + } +} + +static int BackwardReferencesHashChainDistanceOnly( + int xsize, int ysize, const uint32_t* const argb, int cache_bits, + const VP8LHashChain* const hash_chain, const VP8LBackwardRefs* const refs, + uint16_t* const dist_array) { + int i; + int ok = 0; + int cc_init = 0; + const int pix_count = xsize * ysize; + const int use_color_cache = (cache_bits > 0); + const size_t literal_array_size = + sizeof(float) * (VP8LHistogramNumCodes(cache_bits)); + const size_t cost_model_size = sizeof(CostModel) + literal_array_size; + CostModel* const cost_model = + (CostModel*)WebPSafeCalloc(1ULL, cost_model_size); + VP8LColorCache hashers; + CostManager* cost_manager = + (CostManager*)WebPSafeCalloc(1ULL, sizeof(*cost_manager)); + int offset_prev = -1, len_prev = -1; + float offset_cost = -1.f; + int first_offset_is_constant = -1; // initialized with 'impossible' value + int reach = 0; + + if (cost_model == NULL || cost_manager == NULL) goto Error; + + cost_model->literal_ = (float*)(cost_model + 1); + if (use_color_cache) { + cc_init = VP8LColorCacheInit(&hashers, cache_bits); + if (!cc_init) goto Error; + } + + if (!CostModelBuild(cost_model, xsize, cache_bits, refs)) { + goto Error; + } + + if (!CostManagerInit(cost_manager, dist_array, pix_count, cost_model)) { + goto Error; + } + + // We loop one pixel at a time, but store all currently best points to + // non-processed locations from this point. + dist_array[0] = 0; + // Add first pixel as literal. + AddSingleLiteralWithCostModel(argb, &hashers, cost_model, 0, use_color_cache, + 0.f, cost_manager->costs_, dist_array); + + for (i = 1; i < pix_count; ++i) { + const float prev_cost = cost_manager->costs_[i - 1]; + int offset, len; + VP8LHashChainFindCopy(hash_chain, i, &offset, &len); + + // Try adding the pixel as a literal. + AddSingleLiteralWithCostModel(argb, &hashers, cost_model, i, + use_color_cache, prev_cost, + cost_manager->costs_, dist_array); + + // If we are dealing with a non-literal. + if (len >= 2) { + if (offset != offset_prev) { + const int code = VP8LDistanceToPlaneCode(xsize, offset); + offset_cost = GetDistanceCost(cost_model, code); + first_offset_is_constant = 1; + PushInterval(cost_manager, prev_cost + offset_cost, i, len); + } else { + assert(offset_cost >= 0); + assert(len_prev >= 0); + assert(first_offset_is_constant == 0 || first_offset_is_constant == 1); + // Instead of considering all contributions from a pixel i by calling: + // PushInterval(cost_manager, prev_cost + offset_cost, i, len); + // we optimize these contributions in case offset_cost stays the same + // for consecutive pixels. This describes a set of pixels similar to a + // previous set (e.g. constant color regions). + if (first_offset_is_constant) { + reach = i - 1 + len_prev - 1; + first_offset_is_constant = 0; + } + + if (i + len - 1 > reach) { + // We can only be go further with the same offset if the previous + // length was maxed, hence len_prev == len == MAX_LENGTH. + // TODO(vrabaud), bump i to the end right away (insert cache and + // update cost). + // TODO(vrabaud), check if one of the points in between does not have + // a lower cost. + // Already consider the pixel at "reach" to add intervals that are + // better than whatever we add. + int offset_j, len_j = 0; + int j; + assert(len == MAX_LENGTH || len == pix_count - i); + // Figure out the last consecutive pixel within [i, reach + 1] with + // the same offset. + for (j = i; j <= reach; ++j) { + VP8LHashChainFindCopy(hash_chain, j + 1, &offset_j, &len_j); + if (offset_j != offset) { + VP8LHashChainFindCopy(hash_chain, j, &offset_j, &len_j); + break; + } + } + // Update the cost at j - 1 and j. + UpdateCostAtIndex(cost_manager, j - 1, 0); + UpdateCostAtIndex(cost_manager, j, 0); + + PushInterval(cost_manager, cost_manager->costs_[j - 1] + offset_cost, + j, len_j); + reach = j + len_j - 1; + } + } + } + + UpdateCostAtIndex(cost_manager, i, 1); + offset_prev = offset; + len_prev = len; + } + + ok = !refs->error_; + Error: + if (cc_init) VP8LColorCacheClear(&hashers); + CostManagerClear(cost_manager); + WebPSafeFree(cost_model); + WebPSafeFree(cost_manager); + return ok; +} + +// We pack the path at the end of *dist_array and return +// a pointer to this part of the array. Example: +// dist_array = [1x2xx3x2] => packed [1x2x1232], chosen_path = [1232] +static void TraceBackwards(uint16_t* const dist_array, + int dist_array_size, + uint16_t** const chosen_path, + int* const chosen_path_size) { + uint16_t* path = dist_array + dist_array_size; + uint16_t* cur = dist_array + dist_array_size - 1; + while (cur >= dist_array) { + const int k = *cur; + --path; + *path = k; + cur -= k; + } + *chosen_path = path; + *chosen_path_size = (int)(dist_array + dist_array_size - path); +} + +static int BackwardReferencesHashChainFollowChosenPath( + const uint32_t* const argb, int cache_bits, + const uint16_t* const chosen_path, int chosen_path_size, + const VP8LHashChain* const hash_chain, VP8LBackwardRefs* const refs) { + const int use_color_cache = (cache_bits > 0); + int ix; + int i = 0; + int ok = 0; + int cc_init = 0; + VP8LColorCache hashers; + + if (use_color_cache) { + cc_init = VP8LColorCacheInit(&hashers, cache_bits); + if (!cc_init) goto Error; + } + + VP8LClearBackwardRefs(refs); + for (ix = 0; ix < chosen_path_size; ++ix) { + const int len = chosen_path[ix]; + if (len != 1) { + int k; + const int offset = VP8LHashChainFindOffset(hash_chain, i); + VP8LBackwardRefsCursorAdd(refs, PixOrCopyCreateCopy(offset, len)); + if (use_color_cache) { + for (k = 0; k < len; ++k) { + VP8LColorCacheInsert(&hashers, argb[i + k]); + } + } + i += len; + } else { + PixOrCopy v; + const int idx = + use_color_cache ? VP8LColorCacheContains(&hashers, argb[i]) : -1; + if (idx >= 0) { + // use_color_cache is true and hashers contains argb[i] + // push pixel as a color cache index + v = PixOrCopyCreateCacheIdx(idx); + } else { + if (use_color_cache) VP8LColorCacheInsert(&hashers, argb[i]); + v = PixOrCopyCreateLiteral(argb[i]); + } + VP8LBackwardRefsCursorAdd(refs, v); + ++i; + } + } + ok = !refs->error_; + Error: + if (cc_init) VP8LColorCacheClear(&hashers); + return ok; +} + +// Returns 1 on success. +extern int VP8LBackwardReferencesTraceBackwards( + int xsize, int ysize, const uint32_t* const argb, int cache_bits, + const VP8LHashChain* const hash_chain, + const VP8LBackwardRefs* const refs_src, VP8LBackwardRefs* const refs_dst); +int VP8LBackwardReferencesTraceBackwards(int xsize, int ysize, + const uint32_t* const argb, + int cache_bits, + const VP8LHashChain* const hash_chain, + const VP8LBackwardRefs* const refs_src, + VP8LBackwardRefs* const refs_dst) { + int ok = 0; + const int dist_array_size = xsize * ysize; + uint16_t* chosen_path = NULL; + int chosen_path_size = 0; + uint16_t* dist_array = + (uint16_t*)WebPSafeMalloc(dist_array_size, sizeof(*dist_array)); + + if (dist_array == NULL) goto Error; + + if (!BackwardReferencesHashChainDistanceOnly( + xsize, ysize, argb, cache_bits, hash_chain, refs_src, dist_array)) { + goto Error; + } + TraceBackwards(dist_array, dist_array_size, &chosen_path, &chosen_path_size); + if (!BackwardReferencesHashChainFollowChosenPath( + argb, cache_bits, chosen_path, chosen_path_size, hash_chain, + refs_dst)) { + goto Error; + } + ok = 1; + Error: + WebPSafeFree(dist_array); + return ok; +} diff --git a/ProductApp/Pods/libwebp/src/enc/backward_references_enc.c b/ProductApp/Pods/libwebp/src/enc/backward_references_enc.c new file mode 100644 index 0000000..dc98bf1 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/backward_references_enc.c @@ -0,0 +1,1065 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Author: Jyrki Alakuijala (jyrki@google.com) +// + +#include "src/enc/backward_references_enc.h" + +#include +#include +#include + +#include "src/dsp/dsp.h" +#include "src/dsp/lossless.h" +#include "src/dsp/lossless_common.h" +#include "src/enc/histogram_enc.h" +#include "src/enc/vp8i_enc.h" +#include "src/utils/color_cache_utils.h" +#include "src/utils/utils.h" +#include "src/webp/encode.h" + +#define MIN_BLOCK_SIZE 256 // minimum block size for backward references + +#define MAX_ENTROPY (1e30f) + +// 1M window (4M bytes) minus 120 special codes for short distances. +#define WINDOW_SIZE ((1 << WINDOW_SIZE_BITS) - 120) + +// Minimum number of pixels for which it is cheaper to encode a +// distance + length instead of each pixel as a literal. +#define MIN_LENGTH 4 + +// ----------------------------------------------------------------------------- + +static const uint8_t plane_to_code_lut[128] = { + 96, 73, 55, 39, 23, 13, 5, 1, 255, 255, 255, 255, 255, 255, 255, 255, + 101, 78, 58, 42, 26, 16, 8, 2, 0, 3, 9, 17, 27, 43, 59, 79, + 102, 86, 62, 46, 32, 20, 10, 6, 4, 7, 11, 21, 33, 47, 63, 87, + 105, 90, 70, 52, 37, 28, 18, 14, 12, 15, 19, 29, 38, 53, 71, 91, + 110, 99, 82, 66, 48, 35, 30, 24, 22, 25, 31, 36, 49, 67, 83, 100, + 115, 108, 94, 76, 64, 50, 44, 40, 34, 41, 45, 51, 65, 77, 95, 109, + 118, 113, 103, 92, 80, 68, 60, 56, 54, 57, 61, 69, 81, 93, 104, 114, + 119, 116, 111, 106, 97, 88, 84, 74, 72, 75, 85, 89, 98, 107, 112, 117 +}; + +extern int VP8LDistanceToPlaneCode(int xsize, int dist); +int VP8LDistanceToPlaneCode(int xsize, int dist) { + const int yoffset = dist / xsize; + const int xoffset = dist - yoffset * xsize; + if (xoffset <= 8 && yoffset < 8) { + return plane_to_code_lut[yoffset * 16 + 8 - xoffset] + 1; + } else if (xoffset > xsize - 8 && yoffset < 7) { + return plane_to_code_lut[(yoffset + 1) * 16 + 8 + (xsize - xoffset)] + 1; + } + return dist + 120; +} + +// Returns the exact index where array1 and array2 are different. For an index +// inferior or equal to best_len_match, the return value just has to be strictly +// inferior to best_len_match. The current behavior is to return 0 if this index +// is best_len_match, and the index itself otherwise. +// If no two elements are the same, it returns max_limit. +static WEBP_INLINE int FindMatchLength(const uint32_t* const array1, + const uint32_t* const array2, + int best_len_match, int max_limit) { + // Before 'expensive' linear match, check if the two arrays match at the + // current best length index. + if (array1[best_len_match] != array2[best_len_match]) return 0; + + return VP8LVectorMismatch(array1, array2, max_limit); +} + +// ----------------------------------------------------------------------------- +// VP8LBackwardRefs + +struct PixOrCopyBlock { + PixOrCopyBlock* next_; // next block (or NULL) + PixOrCopy* start_; // data start + int size_; // currently used size +}; + +extern void VP8LClearBackwardRefs(VP8LBackwardRefs* const refs); +void VP8LClearBackwardRefs(VP8LBackwardRefs* const refs) { + assert(refs != NULL); + if (refs->tail_ != NULL) { + *refs->tail_ = refs->free_blocks_; // recycle all blocks at once + } + refs->free_blocks_ = refs->refs_; + refs->tail_ = &refs->refs_; + refs->last_block_ = NULL; + refs->refs_ = NULL; +} + +void VP8LBackwardRefsClear(VP8LBackwardRefs* const refs) { + assert(refs != NULL); + VP8LClearBackwardRefs(refs); + while (refs->free_blocks_ != NULL) { + PixOrCopyBlock* const next = refs->free_blocks_->next_; + WebPSafeFree(refs->free_blocks_); + refs->free_blocks_ = next; + } +} + +// Swaps the content of two VP8LBackwardRefs. +static void BackwardRefsSwap(VP8LBackwardRefs* const refs1, + VP8LBackwardRefs* const refs2) { + const int point_to_refs1 = + (refs1->tail_ != NULL && refs1->tail_ == &refs1->refs_); + const int point_to_refs2 = + (refs2->tail_ != NULL && refs2->tail_ == &refs2->refs_); + const VP8LBackwardRefs tmp = *refs1; + *refs1 = *refs2; + *refs2 = tmp; + if (point_to_refs2) refs1->tail_ = &refs1->refs_; + if (point_to_refs1) refs2->tail_ = &refs2->refs_; +} + +void VP8LBackwardRefsInit(VP8LBackwardRefs* const refs, int block_size) { + assert(refs != NULL); + memset(refs, 0, sizeof(*refs)); + refs->tail_ = &refs->refs_; + refs->block_size_ = + (block_size < MIN_BLOCK_SIZE) ? MIN_BLOCK_SIZE : block_size; +} + +VP8LRefsCursor VP8LRefsCursorInit(const VP8LBackwardRefs* const refs) { + VP8LRefsCursor c; + c.cur_block_ = refs->refs_; + if (refs->refs_ != NULL) { + c.cur_pos = c.cur_block_->start_; + c.last_pos_ = c.cur_pos + c.cur_block_->size_; + } else { + c.cur_pos = NULL; + c.last_pos_ = NULL; + } + return c; +} + +void VP8LRefsCursorNextBlock(VP8LRefsCursor* const c) { + PixOrCopyBlock* const b = c->cur_block_->next_; + c->cur_pos = (b == NULL) ? NULL : b->start_; + c->last_pos_ = (b == NULL) ? NULL : b->start_ + b->size_; + c->cur_block_ = b; +} + +// Create a new block, either from the free list or allocated +static PixOrCopyBlock* BackwardRefsNewBlock(VP8LBackwardRefs* const refs) { + PixOrCopyBlock* b = refs->free_blocks_; + if (b == NULL) { // allocate new memory chunk + const size_t total_size = + sizeof(*b) + refs->block_size_ * sizeof(*b->start_); + b = (PixOrCopyBlock*)WebPSafeMalloc(1ULL, total_size); + if (b == NULL) { + refs->error_ |= 1; + return NULL; + } + b->start_ = (PixOrCopy*)((uint8_t*)b + sizeof(*b)); // not always aligned + } else { // recycle from free-list + refs->free_blocks_ = b->next_; + } + *refs->tail_ = b; + refs->tail_ = &b->next_; + refs->last_block_ = b; + b->next_ = NULL; + b->size_ = 0; + return b; +} + +// Return 1 on success, 0 on error. +static int BackwardRefsClone(const VP8LBackwardRefs* const from, + VP8LBackwardRefs* const to) { + const PixOrCopyBlock* block_from = from->refs_; + VP8LClearBackwardRefs(to); + while (block_from != NULL) { + PixOrCopyBlock* const block_to = BackwardRefsNewBlock(to); + if (block_to == NULL) return 0; + memcpy(block_to->start_, block_from->start_, + block_from->size_ * sizeof(PixOrCopy)); + block_to->size_ = block_from->size_; + block_from = block_from->next_; + } + return 1; +} + +extern void VP8LBackwardRefsCursorAdd(VP8LBackwardRefs* const refs, + const PixOrCopy v); +void VP8LBackwardRefsCursorAdd(VP8LBackwardRefs* const refs, + const PixOrCopy v) { + PixOrCopyBlock* b = refs->last_block_; + if (b == NULL || b->size_ == refs->block_size_) { + b = BackwardRefsNewBlock(refs); + if (b == NULL) return; // refs->error_ is set + } + b->start_[b->size_++] = v; +} + +// ----------------------------------------------------------------------------- +// Hash chains + +int VP8LHashChainInit(VP8LHashChain* const p, int size) { + assert(p->size_ == 0); + assert(p->offset_length_ == NULL); + assert(size > 0); + p->offset_length_ = + (uint32_t*)WebPSafeMalloc(size, sizeof(*p->offset_length_)); + if (p->offset_length_ == NULL) return 0; + p->size_ = size; + + return 1; +} + +void VP8LHashChainClear(VP8LHashChain* const p) { + assert(p != NULL); + WebPSafeFree(p->offset_length_); + + p->size_ = 0; + p->offset_length_ = NULL; +} + +// ----------------------------------------------------------------------------- + +static const uint32_t kHashMultiplierHi = 0xc6a4a793u; +static const uint32_t kHashMultiplierLo = 0x5bd1e996u; + +static WEBP_UBSAN_IGNORE_UNSIGNED_OVERFLOW WEBP_INLINE +uint32_t GetPixPairHash64(const uint32_t* const argb) { + uint32_t key; + key = argb[1] * kHashMultiplierHi; + key += argb[0] * kHashMultiplierLo; + key = key >> (32 - HASH_BITS); + return key; +} + +// Returns the maximum number of hash chain lookups to do for a +// given compression quality. Return value in range [8, 86]. +static int GetMaxItersForQuality(int quality) { + return 8 + (quality * quality) / 128; +} + +static int GetWindowSizeForHashChain(int quality, int xsize) { + const int max_window_size = (quality > 75) ? WINDOW_SIZE + : (quality > 50) ? (xsize << 8) + : (quality > 25) ? (xsize << 6) + : (xsize << 4); + assert(xsize > 0); + return (max_window_size > WINDOW_SIZE) ? WINDOW_SIZE : max_window_size; +} + +static WEBP_INLINE int MaxFindCopyLength(int len) { + return (len < MAX_LENGTH) ? len : MAX_LENGTH; +} + +int VP8LHashChainFill(VP8LHashChain* const p, int quality, + const uint32_t* const argb, int xsize, int ysize, + int low_effort, const WebPPicture* const pic, + int percent_range, int* const percent) { + const int size = xsize * ysize; + const int iter_max = GetMaxItersForQuality(quality); + const uint32_t window_size = GetWindowSizeForHashChain(quality, xsize); + int remaining_percent = percent_range; + int percent_start = *percent; + int pos; + int argb_comp; + uint32_t base_position; + int32_t* hash_to_first_index; + // Temporarily use the p->offset_length_ as a hash chain. + int32_t* chain = (int32_t*)p->offset_length_; + assert(size > 0); + assert(p->size_ != 0); + assert(p->offset_length_ != NULL); + + if (size <= 2) { + p->offset_length_[0] = p->offset_length_[size - 1] = 0; + return 1; + } + + hash_to_first_index = + (int32_t*)WebPSafeMalloc(HASH_SIZE, sizeof(*hash_to_first_index)); + if (hash_to_first_index == NULL) { + return WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + + percent_range = remaining_percent / 2; + remaining_percent -= percent_range; + + // Set the int32_t array to -1. + memset(hash_to_first_index, 0xff, HASH_SIZE * sizeof(*hash_to_first_index)); + // Fill the chain linking pixels with the same hash. + argb_comp = (argb[0] == argb[1]); + for (pos = 0; pos < size - 2;) { + uint32_t hash_code; + const int argb_comp_next = (argb[pos + 1] == argb[pos + 2]); + if (argb_comp && argb_comp_next) { + // Consecutive pixels with the same color will share the same hash. + // We therefore use a different hash: the color and its repetition + // length. + uint32_t tmp[2]; + uint32_t len = 1; + tmp[0] = argb[pos]; + // Figure out how far the pixels are the same. + // The last pixel has a different 64 bit hash, as its next pixel does + // not have the same color, so we just need to get to the last pixel equal + // to its follower. + while (pos + (int)len + 2 < size && argb[pos + len + 2] == argb[pos]) { + ++len; + } + if (len > MAX_LENGTH) { + // Skip the pixels that match for distance=1 and length>MAX_LENGTH + // because they are linked to their predecessor and we automatically + // check that in the main for loop below. Skipping means setting no + // predecessor in the chain, hence -1. + memset(chain + pos, 0xff, (len - MAX_LENGTH) * sizeof(*chain)); + pos += len - MAX_LENGTH; + len = MAX_LENGTH; + } + // Process the rest of the hash chain. + while (len) { + tmp[1] = len--; + hash_code = GetPixPairHash64(tmp); + chain[pos] = hash_to_first_index[hash_code]; + hash_to_first_index[hash_code] = pos++; + } + argb_comp = 0; + } else { + // Just move one pixel forward. + hash_code = GetPixPairHash64(argb + pos); + chain[pos] = hash_to_first_index[hash_code]; + hash_to_first_index[hash_code] = pos++; + argb_comp = argb_comp_next; + } + + if (!WebPReportProgress( + pic, percent_start + percent_range * pos / (size - 2), percent)) { + WebPSafeFree(hash_to_first_index); + return 0; + } + } + // Process the penultimate pixel. + chain[pos] = hash_to_first_index[GetPixPairHash64(argb + pos)]; + + WebPSafeFree(hash_to_first_index); + + percent_start += percent_range; + if (!WebPReportProgress(pic, percent_start, percent)) return 0; + percent_range = remaining_percent; + + // Find the best match interval at each pixel, defined by an offset to the + // pixel and a length. The right-most pixel cannot match anything to the right + // (hence a best length of 0) and the left-most pixel nothing to the left + // (hence an offset of 0). + assert(size > 2); + p->offset_length_[0] = p->offset_length_[size - 1] = 0; + for (base_position = size - 2; base_position > 0;) { + const int max_len = MaxFindCopyLength(size - 1 - base_position); + const uint32_t* const argb_start = argb + base_position; + int iter = iter_max; + int best_length = 0; + uint32_t best_distance = 0; + uint32_t best_argb; + const int min_pos = + (base_position > window_size) ? base_position - window_size : 0; + const int length_max = (max_len < 256) ? max_len : 256; + uint32_t max_base_position; + + pos = chain[base_position]; + if (!low_effort) { + int curr_length; + // Heuristic: use the comparison with the above line as an initialization. + if (base_position >= (uint32_t)xsize) { + curr_length = FindMatchLength(argb_start - xsize, argb_start, + best_length, max_len); + if (curr_length > best_length) { + best_length = curr_length; + best_distance = xsize; + } + --iter; + } + // Heuristic: compare to the previous pixel. + curr_length = + FindMatchLength(argb_start - 1, argb_start, best_length, max_len); + if (curr_length > best_length) { + best_length = curr_length; + best_distance = 1; + } + --iter; + // Skip the for loop if we already have the maximum. + if (best_length == MAX_LENGTH) pos = min_pos - 1; + } + best_argb = argb_start[best_length]; + + for (; pos >= min_pos && --iter; pos = chain[pos]) { + int curr_length; + assert(base_position > (uint32_t)pos); + + if (argb[pos + best_length] != best_argb) continue; + + curr_length = VP8LVectorMismatch(argb + pos, argb_start, max_len); + if (best_length < curr_length) { + best_length = curr_length; + best_distance = base_position - pos; + best_argb = argb_start[best_length]; + // Stop if we have reached a good enough length. + if (best_length >= length_max) break; + } + } + // We have the best match but in case the two intervals continue matching + // to the left, we have the best matches for the left-extended pixels. + max_base_position = base_position; + while (1) { + assert(best_length <= MAX_LENGTH); + assert(best_distance <= WINDOW_SIZE); + p->offset_length_[base_position] = + (best_distance << MAX_LENGTH_BITS) | (uint32_t)best_length; + --base_position; + // Stop if we don't have a match or if we are out of bounds. + if (best_distance == 0 || base_position == 0) break; + // Stop if we cannot extend the matching intervals to the left. + if (base_position < best_distance || + argb[base_position - best_distance] != argb[base_position]) { + break; + } + // Stop if we are matching at its limit because there could be a closer + // matching interval with the same maximum length. Then again, if the + // matching interval is as close as possible (best_distance == 1), we will + // never find anything better so let's continue. + if (best_length == MAX_LENGTH && best_distance != 1 && + base_position + MAX_LENGTH < max_base_position) { + break; + } + if (best_length < MAX_LENGTH) { + ++best_length; + max_base_position = base_position; + } + } + + if (!WebPReportProgress(pic, + percent_start + percent_range * + (size - 2 - base_position) / + (size - 2), + percent)) { + return 0; + } + } + + return WebPReportProgress(pic, percent_start + percent_range, percent); +} + +static WEBP_INLINE void AddSingleLiteral(uint32_t pixel, int use_color_cache, + VP8LColorCache* const hashers, + VP8LBackwardRefs* const refs) { + PixOrCopy v; + if (use_color_cache) { + const uint32_t key = VP8LColorCacheGetIndex(hashers, pixel); + if (VP8LColorCacheLookup(hashers, key) == pixel) { + v = PixOrCopyCreateCacheIdx(key); + } else { + v = PixOrCopyCreateLiteral(pixel); + VP8LColorCacheSet(hashers, key, pixel); + } + } else { + v = PixOrCopyCreateLiteral(pixel); + } + VP8LBackwardRefsCursorAdd(refs, v); +} + +static int BackwardReferencesRle(int xsize, int ysize, + const uint32_t* const argb, + int cache_bits, VP8LBackwardRefs* const refs) { + const int pix_count = xsize * ysize; + int i, k; + const int use_color_cache = (cache_bits > 0); + VP8LColorCache hashers; + + if (use_color_cache && !VP8LColorCacheInit(&hashers, cache_bits)) { + return 0; + } + VP8LClearBackwardRefs(refs); + // Add first pixel as literal. + AddSingleLiteral(argb[0], use_color_cache, &hashers, refs); + i = 1; + while (i < pix_count) { + const int max_len = MaxFindCopyLength(pix_count - i); + const int rle_len = FindMatchLength(argb + i, argb + i - 1, 0, max_len); + const int prev_row_len = (i < xsize) ? 0 : + FindMatchLength(argb + i, argb + i - xsize, 0, max_len); + if (rle_len >= prev_row_len && rle_len >= MIN_LENGTH) { + VP8LBackwardRefsCursorAdd(refs, PixOrCopyCreateCopy(1, rle_len)); + // We don't need to update the color cache here since it is always the + // same pixel being copied, and that does not change the color cache + // state. + i += rle_len; + } else if (prev_row_len >= MIN_LENGTH) { + VP8LBackwardRefsCursorAdd(refs, PixOrCopyCreateCopy(xsize, prev_row_len)); + if (use_color_cache) { + for (k = 0; k < prev_row_len; ++k) { + VP8LColorCacheInsert(&hashers, argb[i + k]); + } + } + i += prev_row_len; + } else { + AddSingleLiteral(argb[i], use_color_cache, &hashers, refs); + i++; + } + } + if (use_color_cache) VP8LColorCacheClear(&hashers); + return !refs->error_; +} + +static int BackwardReferencesLz77(int xsize, int ysize, + const uint32_t* const argb, int cache_bits, + const VP8LHashChain* const hash_chain, + VP8LBackwardRefs* const refs) { + int i; + int i_last_check = -1; + int ok = 0; + int cc_init = 0; + const int use_color_cache = (cache_bits > 0); + const int pix_count = xsize * ysize; + VP8LColorCache hashers; + + if (use_color_cache) { + cc_init = VP8LColorCacheInit(&hashers, cache_bits); + if (!cc_init) goto Error; + } + VP8LClearBackwardRefs(refs); + for (i = 0; i < pix_count;) { + // Alternative#1: Code the pixels starting at 'i' using backward reference. + int offset = 0; + int len = 0; + int j; + VP8LHashChainFindCopy(hash_chain, i, &offset, &len); + if (len >= MIN_LENGTH) { + const int len_ini = len; + int max_reach = 0; + const int j_max = + (i + len_ini >= pix_count) ? pix_count - 1 : i + len_ini; + // Only start from what we have not checked already. + i_last_check = (i > i_last_check) ? i : i_last_check; + // We know the best match for the current pixel but we try to find the + // best matches for the current pixel AND the next one combined. + // The naive method would use the intervals: + // [i,i+len) + [i+len, length of best match at i+len) + // while we check if we can use: + // [i,j) (where j<=i+len) + [j, length of best match at j) + for (j = i_last_check + 1; j <= j_max; ++j) { + const int len_j = VP8LHashChainFindLength(hash_chain, j); + const int reach = + j + (len_j >= MIN_LENGTH ? len_j : 1); // 1 for single literal. + if (reach > max_reach) { + len = j - i; + max_reach = reach; + if (max_reach >= pix_count) break; + } + } + } else { + len = 1; + } + // Go with literal or backward reference. + assert(len > 0); + if (len == 1) { + AddSingleLiteral(argb[i], use_color_cache, &hashers, refs); + } else { + VP8LBackwardRefsCursorAdd(refs, PixOrCopyCreateCopy(offset, len)); + if (use_color_cache) { + for (j = i; j < i + len; ++j) VP8LColorCacheInsert(&hashers, argb[j]); + } + } + i += len; + } + + ok = !refs->error_; + Error: + if (cc_init) VP8LColorCacheClear(&hashers); + return ok; +} + +// Compute an LZ77 by forcing matches to happen within a given distance cost. +// We therefore limit the algorithm to the lowest 32 values in the PlaneCode +// definition. +#define WINDOW_OFFSETS_SIZE_MAX 32 +static int BackwardReferencesLz77Box(int xsize, int ysize, + const uint32_t* const argb, int cache_bits, + const VP8LHashChain* const hash_chain_best, + VP8LHashChain* hash_chain, + VP8LBackwardRefs* const refs) { + int i; + const int pix_count = xsize * ysize; + uint16_t* counts; + int window_offsets[WINDOW_OFFSETS_SIZE_MAX] = {0}; + int window_offsets_new[WINDOW_OFFSETS_SIZE_MAX] = {0}; + int window_offsets_size = 0; + int window_offsets_new_size = 0; + uint16_t* const counts_ini = + (uint16_t*)WebPSafeMalloc(xsize * ysize, sizeof(*counts_ini)); + int best_offset_prev = -1, best_length_prev = -1; + if (counts_ini == NULL) return 0; + + // counts[i] counts how many times a pixel is repeated starting at position i. + i = pix_count - 2; + counts = counts_ini + i; + counts[1] = 1; + for (; i >= 0; --i, --counts) { + if (argb[i] == argb[i + 1]) { + // Max out the counts to MAX_LENGTH. + counts[0] = counts[1] + (counts[1] != MAX_LENGTH); + } else { + counts[0] = 1; + } + } + + // Figure out the window offsets around a pixel. They are stored in a + // spiraling order around the pixel as defined by VP8LDistanceToPlaneCode. + { + int x, y; + for (y = 0; y <= 6; ++y) { + for (x = -6; x <= 6; ++x) { + const int offset = y * xsize + x; + int plane_code; + // Ignore offsets that bring us after the pixel. + if (offset <= 0) continue; + plane_code = VP8LDistanceToPlaneCode(xsize, offset) - 1; + if (plane_code >= WINDOW_OFFSETS_SIZE_MAX) continue; + window_offsets[plane_code] = offset; + } + } + // For narrow images, not all plane codes are reached, so remove those. + for (i = 0; i < WINDOW_OFFSETS_SIZE_MAX; ++i) { + if (window_offsets[i] == 0) continue; + window_offsets[window_offsets_size++] = window_offsets[i]; + } + // Given a pixel P, find the offsets that reach pixels unreachable from P-1 + // with any of the offsets in window_offsets[]. + for (i = 0; i < window_offsets_size; ++i) { + int j; + int is_reachable = 0; + for (j = 0; j < window_offsets_size && !is_reachable; ++j) { + is_reachable |= (window_offsets[i] == window_offsets[j] + 1); + } + if (!is_reachable) { + window_offsets_new[window_offsets_new_size] = window_offsets[i]; + ++window_offsets_new_size; + } + } + } + + hash_chain->offset_length_[0] = 0; + for (i = 1; i < pix_count; ++i) { + int ind; + int best_length = VP8LHashChainFindLength(hash_chain_best, i); + int best_offset; + int do_compute = 1; + + if (best_length >= MAX_LENGTH) { + // Do not recompute the best match if we already have a maximal one in the + // window. + best_offset = VP8LHashChainFindOffset(hash_chain_best, i); + for (ind = 0; ind < window_offsets_size; ++ind) { + if (best_offset == window_offsets[ind]) { + do_compute = 0; + break; + } + } + } + if (do_compute) { + // Figure out if we should use the offset/length from the previous pixel + // as an initial guess and therefore only inspect the offsets in + // window_offsets_new[]. + const int use_prev = + (best_length_prev > 1) && (best_length_prev < MAX_LENGTH); + const int num_ind = + use_prev ? window_offsets_new_size : window_offsets_size; + best_length = use_prev ? best_length_prev - 1 : 0; + best_offset = use_prev ? best_offset_prev : 0; + // Find the longest match in a window around the pixel. + for (ind = 0; ind < num_ind; ++ind) { + int curr_length = 0; + int j = i; + int j_offset = + use_prev ? i - window_offsets_new[ind] : i - window_offsets[ind]; + if (j_offset < 0 || argb[j_offset] != argb[i]) continue; + // The longest match is the sum of how many times each pixel is + // repeated. + do { + const int counts_j_offset = counts_ini[j_offset]; + const int counts_j = counts_ini[j]; + if (counts_j_offset != counts_j) { + curr_length += + (counts_j_offset < counts_j) ? counts_j_offset : counts_j; + break; + } + // The same color is repeated counts_pos times at j_offset and j. + curr_length += counts_j_offset; + j_offset += counts_j_offset; + j += counts_j_offset; + } while (curr_length <= MAX_LENGTH && j < pix_count && + argb[j_offset] == argb[j]); + if (best_length < curr_length) { + best_offset = + use_prev ? window_offsets_new[ind] : window_offsets[ind]; + if (curr_length >= MAX_LENGTH) { + best_length = MAX_LENGTH; + break; + } else { + best_length = curr_length; + } + } + } + } + + assert(i + best_length <= pix_count); + assert(best_length <= MAX_LENGTH); + if (best_length <= MIN_LENGTH) { + hash_chain->offset_length_[i] = 0; + best_offset_prev = 0; + best_length_prev = 0; + } else { + hash_chain->offset_length_[i] = + (best_offset << MAX_LENGTH_BITS) | (uint32_t)best_length; + best_offset_prev = best_offset; + best_length_prev = best_length; + } + } + hash_chain->offset_length_[0] = 0; + WebPSafeFree(counts_ini); + + return BackwardReferencesLz77(xsize, ysize, argb, cache_bits, hash_chain, + refs); +} + +// ----------------------------------------------------------------------------- + +static void BackwardReferences2DLocality(int xsize, + const VP8LBackwardRefs* const refs) { + VP8LRefsCursor c = VP8LRefsCursorInit(refs); + while (VP8LRefsCursorOk(&c)) { + if (PixOrCopyIsCopy(c.cur_pos)) { + const int dist = c.cur_pos->argb_or_distance; + const int transformed_dist = VP8LDistanceToPlaneCode(xsize, dist); + c.cur_pos->argb_or_distance = transformed_dist; + } + VP8LRefsCursorNext(&c); + } +} + +// Evaluate optimal cache bits for the local color cache. +// The input *best_cache_bits sets the maximum cache bits to use (passing 0 +// implies disabling the local color cache). The local color cache is also +// disabled for the lower (<= 25) quality. +// Returns 0 in case of memory error. +static int CalculateBestCacheSize(const uint32_t* argb, int quality, + const VP8LBackwardRefs* const refs, + int* const best_cache_bits) { + int i; + const int cache_bits_max = (quality <= 25) ? 0 : *best_cache_bits; + float entropy_min = MAX_ENTROPY; + int cc_init[MAX_COLOR_CACHE_BITS + 1] = { 0 }; + VP8LColorCache hashers[MAX_COLOR_CACHE_BITS + 1]; + VP8LRefsCursor c = VP8LRefsCursorInit(refs); + VP8LHistogram* histos[MAX_COLOR_CACHE_BITS + 1] = { NULL }; + int ok = 0; + + assert(cache_bits_max >= 0 && cache_bits_max <= MAX_COLOR_CACHE_BITS); + + if (cache_bits_max == 0) { + *best_cache_bits = 0; + // Local color cache is disabled. + return 1; + } + + // Allocate data. + for (i = 0; i <= cache_bits_max; ++i) { + histos[i] = VP8LAllocateHistogram(i); + if (histos[i] == NULL) goto Error; + VP8LHistogramInit(histos[i], i, /*init_arrays=*/ 1); + if (i == 0) continue; + cc_init[i] = VP8LColorCacheInit(&hashers[i], i); + if (!cc_init[i]) goto Error; + } + + // Find the cache_bits giving the lowest entropy. The search is done in a + // brute-force way as the function (entropy w.r.t cache_bits) can be + // anything in practice. + while (VP8LRefsCursorOk(&c)) { + const PixOrCopy* const v = c.cur_pos; + if (PixOrCopyIsLiteral(v)) { + const uint32_t pix = *argb++; + const uint32_t a = (pix >> 24) & 0xff; + const uint32_t r = (pix >> 16) & 0xff; + const uint32_t g = (pix >> 8) & 0xff; + const uint32_t b = (pix >> 0) & 0xff; + // The keys of the caches can be derived from the longest one. + int key = VP8LHashPix(pix, 32 - cache_bits_max); + // Do not use the color cache for cache_bits = 0. + ++histos[0]->blue_[b]; + ++histos[0]->literal_[g]; + ++histos[0]->red_[r]; + ++histos[0]->alpha_[a]; + // Deal with cache_bits > 0. + for (i = cache_bits_max; i >= 1; --i, key >>= 1) { + if (VP8LColorCacheLookup(&hashers[i], key) == pix) { + ++histos[i]->literal_[NUM_LITERAL_CODES + NUM_LENGTH_CODES + key]; + } else { + VP8LColorCacheSet(&hashers[i], key, pix); + ++histos[i]->blue_[b]; + ++histos[i]->literal_[g]; + ++histos[i]->red_[r]; + ++histos[i]->alpha_[a]; + } + } + } else { + int code, extra_bits, extra_bits_value; + // We should compute the contribution of the (distance,length) + // histograms but those are the same independently from the cache size. + // As those constant contributions are in the end added to the other + // histogram contributions, we can ignore them, except for the length + // prefix that is part of the literal_ histogram. + int len = PixOrCopyLength(v); + uint32_t argb_prev = *argb ^ 0xffffffffu; + VP8LPrefixEncode(len, &code, &extra_bits, &extra_bits_value); + for (i = 0; i <= cache_bits_max; ++i) { + ++histos[i]->literal_[NUM_LITERAL_CODES + code]; + } + // Update the color caches. + do { + if (*argb != argb_prev) { + // Efficiency: insert only if the color changes. + int key = VP8LHashPix(*argb, 32 - cache_bits_max); + for (i = cache_bits_max; i >= 1; --i, key >>= 1) { + hashers[i].colors_[key] = *argb; + } + argb_prev = *argb; + } + argb++; + } while (--len != 0); + } + VP8LRefsCursorNext(&c); + } + + for (i = 0; i <= cache_bits_max; ++i) { + const float entropy = VP8LHistogramEstimateBits(histos[i]); + if (i == 0 || entropy < entropy_min) { + entropy_min = entropy; + *best_cache_bits = i; + } + } + ok = 1; + Error: + for (i = 0; i <= cache_bits_max; ++i) { + if (cc_init[i]) VP8LColorCacheClear(&hashers[i]); + VP8LFreeHistogram(histos[i]); + } + return ok; +} + +// Update (in-place) backward references for specified cache_bits. +static int BackwardRefsWithLocalCache(const uint32_t* const argb, + int cache_bits, + VP8LBackwardRefs* const refs) { + int pixel_index = 0; + VP8LColorCache hashers; + VP8LRefsCursor c = VP8LRefsCursorInit(refs); + if (!VP8LColorCacheInit(&hashers, cache_bits)) return 0; + + while (VP8LRefsCursorOk(&c)) { + PixOrCopy* const v = c.cur_pos; + if (PixOrCopyIsLiteral(v)) { + const uint32_t argb_literal = v->argb_or_distance; + const int ix = VP8LColorCacheContains(&hashers, argb_literal); + if (ix >= 0) { + // hashers contains argb_literal + *v = PixOrCopyCreateCacheIdx(ix); + } else { + VP8LColorCacheInsert(&hashers, argb_literal); + } + ++pixel_index; + } else { + // refs was created without local cache, so it can not have cache indexes. + int k; + assert(PixOrCopyIsCopy(v)); + for (k = 0; k < v->len; ++k) { + VP8LColorCacheInsert(&hashers, argb[pixel_index++]); + } + } + VP8LRefsCursorNext(&c); + } + VP8LColorCacheClear(&hashers); + return 1; +} + +static VP8LBackwardRefs* GetBackwardReferencesLowEffort( + int width, int height, const uint32_t* const argb, + int* const cache_bits, const VP8LHashChain* const hash_chain, + VP8LBackwardRefs* const refs_lz77) { + *cache_bits = 0; + if (!BackwardReferencesLz77(width, height, argb, 0, hash_chain, refs_lz77)) { + return NULL; + } + BackwardReferences2DLocality(width, refs_lz77); + return refs_lz77; +} + +extern int VP8LBackwardReferencesTraceBackwards( + int xsize, int ysize, const uint32_t* const argb, int cache_bits, + const VP8LHashChain* const hash_chain, + const VP8LBackwardRefs* const refs_src, VP8LBackwardRefs* const refs_dst); +static int GetBackwardReferences(int width, int height, + const uint32_t* const argb, int quality, + int lz77_types_to_try, int cache_bits_max, + int do_no_cache, + const VP8LHashChain* const hash_chain, + VP8LBackwardRefs* const refs, + int* const cache_bits_best) { + VP8LHistogram* histo = NULL; + int i, lz77_type; + // Index 0 is for a color cache, index 1 for no cache (if needed). + int lz77_types_best[2] = {0, 0}; + float bit_costs_best[2] = {FLT_MAX, FLT_MAX}; + VP8LHashChain hash_chain_box; + VP8LBackwardRefs* const refs_tmp = &refs[do_no_cache ? 2 : 1]; + int status = 0; + memset(&hash_chain_box, 0, sizeof(hash_chain_box)); + + histo = VP8LAllocateHistogram(MAX_COLOR_CACHE_BITS); + if (histo == NULL) goto Error; + + for (lz77_type = 1; lz77_types_to_try; + lz77_types_to_try &= ~lz77_type, lz77_type <<= 1) { + int res = 0; + float bit_cost = 0.f; + if ((lz77_types_to_try & lz77_type) == 0) continue; + switch (lz77_type) { + case kLZ77RLE: + res = BackwardReferencesRle(width, height, argb, 0, refs_tmp); + break; + case kLZ77Standard: + // Compute LZ77 with no cache (0 bits), as the ideal LZ77 with a color + // cache is not that different in practice. + res = BackwardReferencesLz77(width, height, argb, 0, hash_chain, + refs_tmp); + break; + case kLZ77Box: + if (!VP8LHashChainInit(&hash_chain_box, width * height)) goto Error; + res = BackwardReferencesLz77Box(width, height, argb, 0, hash_chain, + &hash_chain_box, refs_tmp); + break; + default: + assert(0); + } + if (!res) goto Error; + + // Start with the no color cache case. + for (i = 1; i >= 0; --i) { + int cache_bits = (i == 1) ? 0 : cache_bits_max; + + if (i == 1 && !do_no_cache) continue; + + if (i == 0) { + // Try with a color cache. + if (!CalculateBestCacheSize(argb, quality, refs_tmp, &cache_bits)) { + goto Error; + } + if (cache_bits > 0) { + if (!BackwardRefsWithLocalCache(argb, cache_bits, refs_tmp)) { + goto Error; + } + } + } + + if (i == 0 && do_no_cache && cache_bits == 0) { + // No need to re-compute bit_cost as it was computed at i == 1. + } else { + VP8LHistogramCreate(histo, refs_tmp, cache_bits); + bit_cost = VP8LHistogramEstimateBits(histo); + } + + if (bit_cost < bit_costs_best[i]) { + if (i == 1) { + // Do not swap as the full cache analysis would have the wrong + // VP8LBackwardRefs to start with. + if (!BackwardRefsClone(refs_tmp, &refs[1])) goto Error; + } else { + BackwardRefsSwap(refs_tmp, &refs[0]); + } + bit_costs_best[i] = bit_cost; + lz77_types_best[i] = lz77_type; + if (i == 0) *cache_bits_best = cache_bits; + } + } + } + assert(lz77_types_best[0] > 0); + assert(!do_no_cache || lz77_types_best[1] > 0); + + // Improve on simple LZ77 but only for high quality (TraceBackwards is + // costly). + for (i = 1; i >= 0; --i) { + if (i == 1 && !do_no_cache) continue; + if ((lz77_types_best[i] == kLZ77Standard || + lz77_types_best[i] == kLZ77Box) && + quality >= 25) { + const VP8LHashChain* const hash_chain_tmp = + (lz77_types_best[i] == kLZ77Standard) ? hash_chain : &hash_chain_box; + const int cache_bits = (i == 1) ? 0 : *cache_bits_best; + float bit_cost_trace; + if (!VP8LBackwardReferencesTraceBackwards(width, height, argb, cache_bits, + hash_chain_tmp, &refs[i], + refs_tmp)) { + goto Error; + } + VP8LHistogramCreate(histo, refs_tmp, cache_bits); + bit_cost_trace = VP8LHistogramEstimateBits(histo); + if (bit_cost_trace < bit_costs_best[i]) { + BackwardRefsSwap(refs_tmp, &refs[i]); + } + } + + BackwardReferences2DLocality(width, &refs[i]); + + if (i == 1 && lz77_types_best[0] == lz77_types_best[1] && + *cache_bits_best == 0) { + // If the best cache size is 0 and we have the same best LZ77, just copy + // the data over and stop here. + if (!BackwardRefsClone(&refs[1], &refs[0])) goto Error; + break; + } + } + status = 1; + + Error: + VP8LHashChainClear(&hash_chain_box); + VP8LFreeHistogram(histo); + return status; +} + +int VP8LGetBackwardReferences( + int width, int height, const uint32_t* const argb, int quality, + int low_effort, int lz77_types_to_try, int cache_bits_max, int do_no_cache, + const VP8LHashChain* const hash_chain, VP8LBackwardRefs* const refs, + int* const cache_bits_best, const WebPPicture* const pic, int percent_range, + int* const percent) { + if (low_effort) { + VP8LBackwardRefs* refs_best; + *cache_bits_best = cache_bits_max; + refs_best = GetBackwardReferencesLowEffort( + width, height, argb, cache_bits_best, hash_chain, refs); + if (refs_best == NULL) { + return WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + // Set it in first position. + BackwardRefsSwap(refs_best, &refs[0]); + } else { + if (!GetBackwardReferences(width, height, argb, quality, lz77_types_to_try, + cache_bits_max, do_no_cache, hash_chain, refs, + cache_bits_best)) { + return WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + } + + return WebPReportProgress(pic, *percent + percent_range, percent); +} diff --git a/ProductApp/Pods/libwebp/src/enc/backward_references_enc.h b/ProductApp/Pods/libwebp/src/enc/backward_references_enc.h new file mode 100644 index 0000000..4dff1c2 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/backward_references_enc.h @@ -0,0 +1,244 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Author: Jyrki Alakuijala (jyrki@google.com) +// + +#ifndef WEBP_ENC_BACKWARD_REFERENCES_ENC_H_ +#define WEBP_ENC_BACKWARD_REFERENCES_ENC_H_ + +#include +#include +#include "src/webp/types.h" +#include "src/webp/encode.h" +#include "src/webp/format_constants.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// The maximum allowed limit is 11. +#define MAX_COLOR_CACHE_BITS 10 + +// ----------------------------------------------------------------------------- +// PixOrCopy + +enum Mode { + kLiteral, + kCacheIdx, + kCopy, + kNone +}; + +typedef struct { + // mode as uint8_t to make the memory layout to be exactly 8 bytes. + uint8_t mode; + uint16_t len; + uint32_t argb_or_distance; +} PixOrCopy; + +static WEBP_INLINE PixOrCopy PixOrCopyCreateCopy(uint32_t distance, + uint16_t len) { + PixOrCopy retval; + retval.mode = kCopy; + retval.argb_or_distance = distance; + retval.len = len; + return retval; +} + +static WEBP_INLINE PixOrCopy PixOrCopyCreateCacheIdx(int idx) { + PixOrCopy retval; + assert(idx >= 0); + assert(idx < (1 << MAX_COLOR_CACHE_BITS)); + retval.mode = kCacheIdx; + retval.argb_or_distance = idx; + retval.len = 1; + return retval; +} + +static WEBP_INLINE PixOrCopy PixOrCopyCreateLiteral(uint32_t argb) { + PixOrCopy retval; + retval.mode = kLiteral; + retval.argb_or_distance = argb; + retval.len = 1; + return retval; +} + +static WEBP_INLINE int PixOrCopyIsLiteral(const PixOrCopy* const p) { + return (p->mode == kLiteral); +} + +static WEBP_INLINE int PixOrCopyIsCacheIdx(const PixOrCopy* const p) { + return (p->mode == kCacheIdx); +} + +static WEBP_INLINE int PixOrCopyIsCopy(const PixOrCopy* const p) { + return (p->mode == kCopy); +} + +static WEBP_INLINE uint32_t PixOrCopyLiteral(const PixOrCopy* const p, + int component) { + assert(p->mode == kLiteral); + return (p->argb_or_distance >> (component * 8)) & 0xff; +} + +static WEBP_INLINE uint32_t PixOrCopyLength(const PixOrCopy* const p) { + return p->len; +} + +static WEBP_INLINE uint32_t PixOrCopyCacheIdx(const PixOrCopy* const p) { + assert(p->mode == kCacheIdx); + assert(p->argb_or_distance < (1U << MAX_COLOR_CACHE_BITS)); + return p->argb_or_distance; +} + +static WEBP_INLINE uint32_t PixOrCopyDistance(const PixOrCopy* const p) { + assert(p->mode == kCopy); + return p->argb_or_distance; +} + +// ----------------------------------------------------------------------------- +// VP8LHashChain + +#define HASH_BITS 18 +#define HASH_SIZE (1 << HASH_BITS) + +// If you change this, you need MAX_LENGTH_BITS + WINDOW_SIZE_BITS <= 32 as it +// is used in VP8LHashChain. +#define MAX_LENGTH_BITS 12 +#define WINDOW_SIZE_BITS 20 +// We want the max value to be attainable and stored in MAX_LENGTH_BITS bits. +#define MAX_LENGTH ((1 << MAX_LENGTH_BITS) - 1) +#if MAX_LENGTH_BITS + WINDOW_SIZE_BITS > 32 +#error "MAX_LENGTH_BITS + WINDOW_SIZE_BITS > 32" +#endif + +typedef struct VP8LHashChain VP8LHashChain; +struct VP8LHashChain { + // The 20 most significant bits contain the offset at which the best match + // is found. These 20 bits are the limit defined by GetWindowSizeForHashChain + // (through WINDOW_SIZE = 1<<20). + // The lower 12 bits contain the length of the match. The 12 bit limit is + // defined in MaxFindCopyLength with MAX_LENGTH=4096. + uint32_t* offset_length_; + // This is the maximum size of the hash_chain that can be constructed. + // Typically this is the pixel count (width x height) for a given image. + int size_; +}; + +// Must be called first, to set size. +int VP8LHashChainInit(VP8LHashChain* const p, int size); +// Pre-compute the best matches for argb. pic and percent are for progress. +int VP8LHashChainFill(VP8LHashChain* const p, int quality, + const uint32_t* const argb, int xsize, int ysize, + int low_effort, const WebPPicture* const pic, + int percent_range, int* const percent); +void VP8LHashChainClear(VP8LHashChain* const p); // release memory + +static WEBP_INLINE int VP8LHashChainFindOffset(const VP8LHashChain* const p, + const int base_position) { + return p->offset_length_[base_position] >> MAX_LENGTH_BITS; +} + +static WEBP_INLINE int VP8LHashChainFindLength(const VP8LHashChain* const p, + const int base_position) { + return p->offset_length_[base_position] & ((1U << MAX_LENGTH_BITS) - 1); +} + +static WEBP_INLINE void VP8LHashChainFindCopy(const VP8LHashChain* const p, + int base_position, + int* const offset_ptr, + int* const length_ptr) { + *offset_ptr = VP8LHashChainFindOffset(p, base_position); + *length_ptr = VP8LHashChainFindLength(p, base_position); +} + +// ----------------------------------------------------------------------------- +// VP8LBackwardRefs (block-based backward-references storage) + +// maximum number of reference blocks the image will be segmented into +#define MAX_REFS_BLOCK_PER_IMAGE 16 + +typedef struct PixOrCopyBlock PixOrCopyBlock; // forward declaration +typedef struct VP8LBackwardRefs VP8LBackwardRefs; + +// Container for blocks chain +struct VP8LBackwardRefs { + int block_size_; // common block-size + int error_; // set to true if some memory error occurred + PixOrCopyBlock* refs_; // list of currently used blocks + PixOrCopyBlock** tail_; // for list recycling + PixOrCopyBlock* free_blocks_; // free-list + PixOrCopyBlock* last_block_; // used for adding new refs (internal) +}; + +// Initialize the object. 'block_size' is the common block size to store +// references (typically, width * height / MAX_REFS_BLOCK_PER_IMAGE). +void VP8LBackwardRefsInit(VP8LBackwardRefs* const refs, int block_size); +// Release memory for backward references. +void VP8LBackwardRefsClear(VP8LBackwardRefs* const refs); + +// Cursor for iterating on references content +typedef struct { + // public: + PixOrCopy* cur_pos; // current position + // private: + PixOrCopyBlock* cur_block_; // current block in the refs list + const PixOrCopy* last_pos_; // sentinel for switching to next block +} VP8LRefsCursor; + +// Returns a cursor positioned at the beginning of the references list. +VP8LRefsCursor VP8LRefsCursorInit(const VP8LBackwardRefs* const refs); +// Returns true if cursor is pointing at a valid position. +static WEBP_INLINE int VP8LRefsCursorOk(const VP8LRefsCursor* const c) { + return (c->cur_pos != NULL); +} +// Move to next block of references. Internal, not to be called directly. +void VP8LRefsCursorNextBlock(VP8LRefsCursor* const c); +// Move to next position, or NULL. Should not be called if !VP8LRefsCursorOk(). +static WEBP_INLINE void VP8LRefsCursorNext(VP8LRefsCursor* const c) { + assert(c != NULL); + assert(VP8LRefsCursorOk(c)); + if (++c->cur_pos == c->last_pos_) VP8LRefsCursorNextBlock(c); +} + +// ----------------------------------------------------------------------------- +// Main entry points + +enum VP8LLZ77Type { + kLZ77Standard = 1, + kLZ77RLE = 2, + kLZ77Box = 4 +}; + +// Evaluates best possible backward references for specified quality. +// The input cache_bits to 'VP8LGetBackwardReferences' sets the maximum cache +// bits to use (passing 0 implies disabling the local color cache). +// The optimal cache bits is evaluated and set for the *cache_bits_best +// parameter with the matching refs_best. +// If do_no_cache == 0, refs is an array of 2 values and the best +// VP8LBackwardRefs is put in the first element. +// If do_no_cache != 0, refs is an array of 3 values and the best +// VP8LBackwardRefs is put in the first element, the best value with no-cache in +// the second element. +// In both cases, the last element is used as temporary internally. +// pic and percent are for progress. +// Returns false in case of error (stored in pic->error_code). +int VP8LGetBackwardReferences( + int width, int height, const uint32_t* const argb, int quality, + int low_effort, int lz77_types_to_try, int cache_bits_max, int do_no_cache, + const VP8LHashChain* const hash_chain, VP8LBackwardRefs* const refs, + int* const cache_bits_best, const WebPPicture* const pic, int percent_range, + int* const percent); + +#ifdef __cplusplus +} +#endif + +#endif // WEBP_ENC_BACKWARD_REFERENCES_ENC_H_ diff --git a/ProductApp/Pods/libwebp/src/enc/config_enc.c b/ProductApp/Pods/libwebp/src/enc/config_enc.c new file mode 100644 index 0000000..3518b41 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/config_enc.c @@ -0,0 +1,157 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Coding tools configuration +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifdef HAVE_CONFIG_H +#include "src/webp/config.h" +#endif + +#include "src/webp/encode.h" + +//------------------------------------------------------------------------------ +// WebPConfig +//------------------------------------------------------------------------------ + +int WebPConfigInitInternal(WebPConfig* config, + WebPPreset preset, float quality, int version) { + if (WEBP_ABI_IS_INCOMPATIBLE(version, WEBP_ENCODER_ABI_VERSION)) { + return 0; // caller/system version mismatch! + } + if (config == NULL) return 0; + + config->quality = quality; + config->target_size = 0; + config->target_PSNR = 0.; + config->method = 4; + config->sns_strength = 50; + config->filter_strength = 60; // mid-filtering + config->filter_sharpness = 0; + config->filter_type = 1; // default: strong (so U/V is filtered too) + config->partitions = 0; + config->segments = 4; + config->pass = 1; + config->qmin = 0; + config->qmax = 100; + config->show_compressed = 0; + config->preprocessing = 0; + config->autofilter = 0; + config->partition_limit = 0; + config->alpha_compression = 1; + config->alpha_filtering = 1; + config->alpha_quality = 100; + config->lossless = 0; + config->exact = 0; + config->image_hint = WEBP_HINT_DEFAULT; + config->emulate_jpeg_size = 0; + config->thread_level = 0; + config->low_memory = 0; + config->near_lossless = 100; + config->use_delta_palette = 0; + config->use_sharp_yuv = 0; + + // TODO(skal): tune. + switch (preset) { + case WEBP_PRESET_PICTURE: + config->sns_strength = 80; + config->filter_sharpness = 4; + config->filter_strength = 35; + config->preprocessing &= ~2; // no dithering + break; + case WEBP_PRESET_PHOTO: + config->sns_strength = 80; + config->filter_sharpness = 3; + config->filter_strength = 30; + config->preprocessing |= 2; + break; + case WEBP_PRESET_DRAWING: + config->sns_strength = 25; + config->filter_sharpness = 6; + config->filter_strength = 10; + break; + case WEBP_PRESET_ICON: + config->sns_strength = 0; + config->filter_strength = 0; // disable filtering to retain sharpness + config->preprocessing &= ~2; // no dithering + break; + case WEBP_PRESET_TEXT: + config->sns_strength = 0; + config->filter_strength = 0; // disable filtering to retain sharpness + config->preprocessing &= ~2; // no dithering + config->segments = 2; + break; + case WEBP_PRESET_DEFAULT: + default: + break; + } + return WebPValidateConfig(config); +} + +int WebPValidateConfig(const WebPConfig* config) { + if (config == NULL) return 0; + if (config->quality < 0 || config->quality > 100) return 0; + if (config->target_size < 0) return 0; + if (config->target_PSNR < 0) return 0; + if (config->method < 0 || config->method > 6) return 0; + if (config->segments < 1 || config->segments > 4) return 0; + if (config->sns_strength < 0 || config->sns_strength > 100) return 0; + if (config->filter_strength < 0 || config->filter_strength > 100) return 0; + if (config->filter_sharpness < 0 || config->filter_sharpness > 7) return 0; + if (config->filter_type < 0 || config->filter_type > 1) return 0; + if (config->autofilter < 0 || config->autofilter > 1) return 0; + if (config->pass < 1 || config->pass > 10) return 0; + if (config->qmin < 0 || config->qmax > 100 || config->qmin > config->qmax) { + return 0; + } + if (config->show_compressed < 0 || config->show_compressed > 1) return 0; + if (config->preprocessing < 0 || config->preprocessing > 7) return 0; + if (config->partitions < 0 || config->partitions > 3) return 0; + if (config->partition_limit < 0 || config->partition_limit > 100) return 0; + if (config->alpha_compression < 0) return 0; + if (config->alpha_filtering < 0) return 0; + if (config->alpha_quality < 0 || config->alpha_quality > 100) return 0; + if (config->lossless < 0 || config->lossless > 1) return 0; + if (config->near_lossless < 0 || config->near_lossless > 100) return 0; + if (config->image_hint >= WEBP_HINT_LAST) return 0; + if (config->emulate_jpeg_size < 0 || config->emulate_jpeg_size > 1) return 0; + if (config->thread_level < 0 || config->thread_level > 1) return 0; + if (config->low_memory < 0 || config->low_memory > 1) return 0; + if (config->exact < 0 || config->exact > 1) return 0; + if (config->use_delta_palette < 0 || config->use_delta_palette > 1) { + return 0; + } + if (config->use_sharp_yuv < 0 || config->use_sharp_yuv > 1) return 0; + + return 1; +} + +//------------------------------------------------------------------------------ + +#define MAX_LEVEL 9 + +// Mapping between -z level and -m / -q parameter settings. +static const struct { + uint8_t method_; + uint8_t quality_; +} kLosslessPresets[MAX_LEVEL + 1] = { + { 0, 0 }, { 1, 20 }, { 2, 25 }, { 3, 30 }, { 3, 50 }, + { 4, 50 }, { 4, 75 }, { 4, 90 }, { 5, 90 }, { 6, 100 } +}; + +int WebPConfigLosslessPreset(WebPConfig* config, int level) { + if (config == NULL || level < 0 || level > MAX_LEVEL) return 0; + config->lossless = 1; + config->method = kLosslessPresets[level].method_; + config->quality = kLosslessPresets[level].quality_; + return 1; +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/enc/cost_enc.c b/ProductApp/Pods/libwebp/src/enc/cost_enc.c new file mode 100644 index 0000000..48fd9bc --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/cost_enc.c @@ -0,0 +1,342 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Cost tables for level and modes +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/enc/cost_enc.h" + +//------------------------------------------------------------------------------ +// Level cost tables + +// For each given level, the following table gives the pattern of contexts to +// use for coding it (in [][0]) as well as the bit value to use for each +// context (in [][1]). +const uint16_t VP8LevelCodes[MAX_VARIABLE_LEVEL][2] = { + {0x001, 0x000}, {0x007, 0x001}, {0x00f, 0x005}, + {0x00f, 0x00d}, {0x033, 0x003}, {0x033, 0x003}, {0x033, 0x023}, + {0x033, 0x023}, {0x033, 0x023}, {0x033, 0x023}, {0x0d3, 0x013}, + {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, + {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x093}, + {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, + {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, + {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, + {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x153, 0x053}, + {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, + {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, + {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, + {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, + {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, + {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, + {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, + {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x053}, {0x153, 0x153} +}; + +static int VariableLevelCost(int level, const uint8_t probas[NUM_PROBAS]) { + int pattern = VP8LevelCodes[level - 1][0]; + int bits = VP8LevelCodes[level - 1][1]; + int cost = 0; + int i; + for (i = 2; pattern; ++i) { + if (pattern & 1) { + cost += VP8BitCost(bits & 1, probas[i]); + } + bits >>= 1; + pattern >>= 1; + } + return cost; +} + +//------------------------------------------------------------------------------ +// Pre-calc level costs once for all + +void VP8CalculateLevelCosts(VP8EncProba* const proba) { + int ctype, band, ctx; + + if (!proba->dirty_) return; // nothing to do. + + for (ctype = 0; ctype < NUM_TYPES; ++ctype) { + int n; + for (band = 0; band < NUM_BANDS; ++band) { + for (ctx = 0; ctx < NUM_CTX; ++ctx) { + const uint8_t* const p = proba->coeffs_[ctype][band][ctx]; + uint16_t* const table = proba->level_cost_[ctype][band][ctx]; + const int cost0 = (ctx > 0) ? VP8BitCost(1, p[0]) : 0; + const int cost_base = VP8BitCost(1, p[1]) + cost0; + int v; + table[0] = VP8BitCost(0, p[1]) + cost0; + for (v = 1; v <= MAX_VARIABLE_LEVEL; ++v) { + table[v] = cost_base + VariableLevelCost(v, p); + } + // Starting at level 67 and up, the variable part of the cost is + // actually constant. + } + } + for (n = 0; n < 16; ++n) { // replicate bands. We don't need to sentinel. + for (ctx = 0; ctx < NUM_CTX; ++ctx) { + proba->remapped_costs_[ctype][n][ctx] = + proba->level_cost_[ctype][VP8EncBands[n]][ctx]; + } + } + } + proba->dirty_ = 0; +} + +//------------------------------------------------------------------------------ +// Mode cost tables. + +// These are the fixed probabilities (in the coding trees) turned into bit-cost +// by calling VP8BitCost(). +const uint16_t VP8FixedCostsUV[4] = { 302, 984, 439, 642 }; +// note: these values include the fixed VP8BitCost(1, 145) mode selection cost. +const uint16_t VP8FixedCostsI16[4] = { 663, 919, 872, 919 }; +const uint16_t VP8FixedCostsI4[NUM_BMODES][NUM_BMODES][NUM_BMODES] = { + { { 40, 1151, 1723, 1874, 2103, 2019, 1628, 1777, 2226, 2137 }, + { 192, 469, 1296, 1308, 1849, 1794, 1781, 1703, 1713, 1522 }, + { 142, 910, 762, 1684, 1849, 1576, 1460, 1305, 1801, 1657 }, + { 559, 641, 1370, 421, 1182, 1569, 1612, 1725, 863, 1007 }, + { 299, 1059, 1256, 1108, 636, 1068, 1581, 1883, 869, 1142 }, + { 277, 1111, 707, 1362, 1089, 672, 1603, 1541, 1545, 1291 }, + { 214, 781, 1609, 1303, 1632, 2229, 726, 1560, 1713, 918 }, + { 152, 1037, 1046, 1759, 1983, 2174, 1358, 742, 1740, 1390 }, + { 512, 1046, 1420, 753, 752, 1297, 1486, 1613, 460, 1207 }, + { 424, 827, 1362, 719, 1462, 1202, 1199, 1476, 1199, 538 } }, + { { 240, 402, 1134, 1491, 1659, 1505, 1517, 1555, 1979, 2099 }, + { 467, 242, 960, 1232, 1714, 1620, 1834, 1570, 1676, 1391 }, + { 500, 455, 463, 1507, 1699, 1282, 1564, 982, 2114, 2114 }, + { 672, 643, 1372, 331, 1589, 1667, 1453, 1938, 996, 876 }, + { 458, 783, 1037, 911, 738, 968, 1165, 1518, 859, 1033 }, + { 504, 815, 504, 1139, 1219, 719, 1506, 1085, 1268, 1268 }, + { 333, 630, 1445, 1239, 1883, 3672, 799, 1548, 1865, 598 }, + { 399, 644, 746, 1342, 1856, 1350, 1493, 613, 1855, 1015 }, + { 622, 749, 1205, 608, 1066, 1408, 1290, 1406, 546, 971 }, + { 500, 753, 1041, 668, 1230, 1617, 1297, 1425, 1383, 523 } }, + { { 394, 553, 523, 1502, 1536, 981, 1608, 1142, 1666, 2181 }, + { 655, 430, 375, 1411, 1861, 1220, 1677, 1135, 1978, 1553 }, + { 690, 640, 245, 1954, 2070, 1194, 1528, 982, 1972, 2232 }, + { 559, 834, 741, 867, 1131, 980, 1225, 852, 1092, 784 }, + { 690, 875, 516, 959, 673, 894, 1056, 1190, 1528, 1126 }, + { 740, 951, 384, 1277, 1177, 492, 1579, 1155, 1846, 1513 }, + { 323, 775, 1062, 1776, 3062, 1274, 813, 1188, 1372, 655 }, + { 488, 971, 484, 1767, 1515, 1775, 1115, 503, 1539, 1461 }, + { 740, 1006, 998, 709, 851, 1230, 1337, 788, 741, 721 }, + { 522, 1073, 573, 1045, 1346, 887, 1046, 1146, 1203, 697 } }, + { { 105, 864, 1442, 1009, 1934, 1840, 1519, 1920, 1673, 1579 }, + { 534, 305, 1193, 683, 1388, 2164, 1802, 1894, 1264, 1170 }, + { 305, 518, 877, 1108, 1426, 3215, 1425, 1064, 1320, 1242 }, + { 683, 732, 1927, 257, 1493, 2048, 1858, 1552, 1055, 947 }, + { 394, 814, 1024, 660, 959, 1556, 1282, 1289, 893, 1047 }, + { 528, 615, 996, 940, 1201, 635, 1094, 2515, 803, 1358 }, + { 347, 614, 1609, 1187, 3133, 1345, 1007, 1339, 1017, 667 }, + { 218, 740, 878, 1605, 3650, 3650, 1345, 758, 1357, 1617 }, + { 672, 750, 1541, 558, 1257, 1599, 1870, 2135, 402, 1087 }, + { 592, 684, 1161, 430, 1092, 1497, 1475, 1489, 1095, 822 } }, + { { 228, 1056, 1059, 1368, 752, 982, 1512, 1518, 987, 1782 }, + { 494, 514, 818, 942, 965, 892, 1610, 1356, 1048, 1363 }, + { 512, 648, 591, 1042, 761, 991, 1196, 1454, 1309, 1463 }, + { 683, 749, 1043, 676, 841, 1396, 1133, 1138, 654, 939 }, + { 622, 1101, 1126, 994, 361, 1077, 1203, 1318, 877, 1219 }, + { 631, 1068, 857, 1650, 651, 477, 1650, 1419, 828, 1170 }, + { 555, 727, 1068, 1335, 3127, 1339, 820, 1331, 1077, 429 }, + { 504, 879, 624, 1398, 889, 889, 1392, 808, 891, 1406 }, + { 683, 1602, 1289, 977, 578, 983, 1280, 1708, 406, 1122 }, + { 399, 865, 1433, 1070, 1072, 764, 968, 1477, 1223, 678 } }, + { { 333, 760, 935, 1638, 1010, 529, 1646, 1410, 1472, 2219 }, + { 512, 494, 750, 1160, 1215, 610, 1870, 1868, 1628, 1169 }, + { 572, 646, 492, 1934, 1208, 603, 1580, 1099, 1398, 1995 }, + { 786, 789, 942, 581, 1018, 951, 1599, 1207, 731, 768 }, + { 690, 1015, 672, 1078, 582, 504, 1693, 1438, 1108, 2897 }, + { 768, 1267, 571, 2005, 1243, 244, 2881, 1380, 1786, 1453 }, + { 452, 899, 1293, 903, 1311, 3100, 465, 1311, 1319, 813 }, + { 394, 927, 942, 1103, 1358, 1104, 946, 593, 1363, 1109 }, + { 559, 1005, 1007, 1016, 658, 1173, 1021, 1164, 623, 1028 }, + { 564, 796, 632, 1005, 1014, 863, 2316, 1268, 938, 764 } }, + { { 266, 606, 1098, 1228, 1497, 1243, 948, 1030, 1734, 1461 }, + { 366, 585, 901, 1060, 1407, 1247, 876, 1134, 1620, 1054 }, + { 452, 565, 542, 1729, 1479, 1479, 1016, 886, 2938, 1150 }, + { 555, 1088, 1533, 950, 1354, 895, 834, 1019, 1021, 496 }, + { 704, 815, 1193, 971, 973, 640, 1217, 2214, 832, 578 }, + { 672, 1245, 579, 871, 875, 774, 872, 1273, 1027, 949 }, + { 296, 1134, 2050, 1784, 1636, 3425, 442, 1550, 2076, 722 }, + { 342, 982, 1259, 1846, 1848, 1848, 622, 568, 1847, 1052 }, + { 555, 1064, 1304, 828, 746, 1343, 1075, 1329, 1078, 494 }, + { 288, 1167, 1285, 1174, 1639, 1639, 833, 2254, 1304, 509 } }, + { { 342, 719, 767, 1866, 1757, 1270, 1246, 550, 1746, 2151 }, + { 483, 653, 694, 1509, 1459, 1410, 1218, 507, 1914, 1266 }, + { 488, 757, 447, 2979, 1813, 1268, 1654, 539, 1849, 2109 }, + { 522, 1097, 1085, 851, 1365, 1111, 851, 901, 961, 605 }, + { 709, 716, 841, 728, 736, 945, 941, 862, 2845, 1057 }, + { 512, 1323, 500, 1336, 1083, 681, 1342, 717, 1604, 1350 }, + { 452, 1155, 1372, 1900, 1501, 3290, 311, 944, 1919, 922 }, + { 403, 1520, 977, 2132, 1733, 3522, 1076, 276, 3335, 1547 }, + { 559, 1374, 1101, 615, 673, 2462, 974, 795, 984, 984 }, + { 547, 1122, 1062, 812, 1410, 951, 1140, 622, 1268, 651 } }, + { { 165, 982, 1235, 938, 1334, 1366, 1659, 1578, 964, 1612 }, + { 592, 422, 925, 847, 1139, 1112, 1387, 2036, 861, 1041 }, + { 403, 837, 732, 770, 941, 1658, 1250, 809, 1407, 1407 }, + { 896, 874, 1071, 381, 1568, 1722, 1437, 2192, 480, 1035 }, + { 640, 1098, 1012, 1032, 684, 1382, 1581, 2106, 416, 865 }, + { 559, 1005, 819, 914, 710, 770, 1418, 920, 838, 1435 }, + { 415, 1258, 1245, 870, 1278, 3067, 770, 1021, 1287, 522 }, + { 406, 990, 601, 1009, 1265, 1265, 1267, 759, 1017, 1277 }, + { 968, 1182, 1329, 788, 1032, 1292, 1705, 1714, 203, 1403 }, + { 732, 877, 1279, 471, 901, 1161, 1545, 1294, 755, 755 } }, + { { 111, 931, 1378, 1185, 1933, 1648, 1148, 1714, 1873, 1307 }, + { 406, 414, 1030, 1023, 1910, 1404, 1313, 1647, 1509, 793 }, + { 342, 640, 575, 1088, 1241, 1349, 1161, 1350, 1756, 1502 }, + { 559, 766, 1185, 357, 1682, 1428, 1329, 1897, 1219, 802 }, + { 473, 909, 1164, 771, 719, 2508, 1427, 1432, 722, 782 }, + { 342, 892, 785, 1145, 1150, 794, 1296, 1550, 973, 1057 }, + { 208, 1036, 1326, 1343, 1606, 3395, 815, 1455, 1618, 712 }, + { 228, 928, 890, 1046, 3499, 1711, 994, 829, 1720, 1318 }, + { 768, 724, 1058, 636, 991, 1075, 1319, 1324, 616, 825 }, + { 305, 1167, 1358, 899, 1587, 1587, 987, 1988, 1332, 501 } } +}; + +//------------------------------------------------------------------------------ +// helper functions for residuals struct VP8Residual. + +void VP8InitResidual(int first, int coeff_type, + VP8Encoder* const enc, VP8Residual* const res) { + res->coeff_type = coeff_type; + res->prob = enc->proba_.coeffs_[coeff_type]; + res->stats = enc->proba_.stats_[coeff_type]; + res->costs = enc->proba_.remapped_costs_[coeff_type]; + res->first = first; +} + +//------------------------------------------------------------------------------ +// Mode costs + +int VP8GetCostLuma4(VP8EncIterator* const it, const int16_t levels[16]) { + const int x = (it->i4_ & 3), y = (it->i4_ >> 2); + VP8Residual res; + VP8Encoder* const enc = it->enc_; + int R = 0; + int ctx; + + VP8InitResidual(0, 3, enc, &res); + ctx = it->top_nz_[x] + it->left_nz_[y]; + VP8SetResidualCoeffs(levels, &res); + R += VP8GetResidualCost(ctx, &res); + return R; +} + +int VP8GetCostLuma16(VP8EncIterator* const it, const VP8ModeScore* const rd) { + VP8Residual res; + VP8Encoder* const enc = it->enc_; + int x, y; + int R = 0; + + VP8IteratorNzToBytes(it); // re-import the non-zero context + + // DC + VP8InitResidual(0, 1, enc, &res); + VP8SetResidualCoeffs(rd->y_dc_levels, &res); + R += VP8GetResidualCost(it->top_nz_[8] + it->left_nz_[8], &res); + + // AC + VP8InitResidual(1, 0, enc, &res); + for (y = 0; y < 4; ++y) { + for (x = 0; x < 4; ++x) { + const int ctx = it->top_nz_[x] + it->left_nz_[y]; + VP8SetResidualCoeffs(rd->y_ac_levels[x + y * 4], &res); + R += VP8GetResidualCost(ctx, &res); + it->top_nz_[x] = it->left_nz_[y] = (res.last >= 0); + } + } + return R; +} + +int VP8GetCostUV(VP8EncIterator* const it, const VP8ModeScore* const rd) { + VP8Residual res; + VP8Encoder* const enc = it->enc_; + int ch, x, y; + int R = 0; + + VP8IteratorNzToBytes(it); // re-import the non-zero context + + VP8InitResidual(0, 2, enc, &res); + for (ch = 0; ch <= 2; ch += 2) { + for (y = 0; y < 2; ++y) { + for (x = 0; x < 2; ++x) { + const int ctx = it->top_nz_[4 + ch + x] + it->left_nz_[4 + ch + y]; + VP8SetResidualCoeffs(rd->uv_levels[ch * 2 + x + y * 2], &res); + R += VP8GetResidualCost(ctx, &res); + it->top_nz_[4 + ch + x] = it->left_nz_[4 + ch + y] = (res.last >= 0); + } + } + } + return R; +} + + +//------------------------------------------------------------------------------ +// Recording of token probabilities. + +// We keep the table-free variant around for reference, in case. +#define USE_LEVEL_CODE_TABLE + +// Simulate block coding, but only record statistics. +// Note: no need to record the fixed probas. +int VP8RecordCoeffs(int ctx, const VP8Residual* const res) { + int n = res->first; + // should be stats[VP8EncBands[n]], but it's equivalent for n=0 or 1 + proba_t* s = res->stats[n][ctx]; + if (res->last < 0) { + VP8RecordStats(0, s + 0); + return 0; + } + while (n <= res->last) { + int v; + VP8RecordStats(1, s + 0); // order of record doesn't matter + while ((v = res->coeffs[n++]) == 0) { + VP8RecordStats(0, s + 1); + s = res->stats[VP8EncBands[n]][0]; + } + VP8RecordStats(1, s + 1); + if (!VP8RecordStats(2u < (unsigned int)(v + 1), s + 2)) { // v = -1 or 1 + s = res->stats[VP8EncBands[n]][1]; + } else { + v = abs(v); +#if !defined(USE_LEVEL_CODE_TABLE) + if (!VP8RecordStats(v > 4, s + 3)) { + if (VP8RecordStats(v != 2, s + 4)) + VP8RecordStats(v == 4, s + 5); + } else if (!VP8RecordStats(v > 10, s + 6)) { + VP8RecordStats(v > 6, s + 7); + } else if (!VP8RecordStats((v >= 3 + (8 << 2)), s + 8)) { + VP8RecordStats((v >= 3 + (8 << 1)), s + 9); + } else { + VP8RecordStats((v >= 3 + (8 << 3)), s + 10); + } +#else + if (v > MAX_VARIABLE_LEVEL) { + v = MAX_VARIABLE_LEVEL; + } + + { + const int bits = VP8LevelCodes[v - 1][1]; + int pattern = VP8LevelCodes[v - 1][0]; + int i; + for (i = 0; (pattern >>= 1) != 0; ++i) { + const int mask = 2 << i; + if (pattern & 1) VP8RecordStats(!!(bits & mask), s + 3 + i); + } + } +#endif + s = res->stats[VP8EncBands[n]][2]; + } + } + if (n < 16) VP8RecordStats(0, s + 0); + return 1; +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/enc/cost_enc.h b/ProductApp/Pods/libwebp/src/enc/cost_enc.h new file mode 100644 index 0000000..a4b177b --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/cost_enc.h @@ -0,0 +1,82 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Cost tables for level and modes. +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_ENC_COST_ENC_H_ +#define WEBP_ENC_COST_ENC_H_ + +#include +#include +#include "src/enc/vp8i_enc.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// On-the-fly info about the current set of residuals. Handy to avoid +// passing zillions of params. +typedef struct VP8Residual VP8Residual; +struct VP8Residual { + int first; + int last; + const int16_t* coeffs; + + int coeff_type; + ProbaArray* prob; + StatsArray* stats; + CostArrayPtr costs; +}; + +void VP8InitResidual(int first, int coeff_type, + VP8Encoder* const enc, VP8Residual* const res); + +int VP8RecordCoeffs(int ctx, const VP8Residual* const res); + +// Record proba context used. +static WEBP_INLINE int VP8RecordStats(int bit, proba_t* const stats) { + proba_t p = *stats; + // An overflow is inbound. Note we handle this at 0xfffe0000u instead of + // 0xffff0000u to make sure p + 1u does not overflow. + if (p >= 0xfffe0000u) { + p = ((p + 1u) >> 1) & 0x7fff7fffu; // -> divide the stats by 2. + } + // record bit count (lower 16 bits) and increment total count (upper 16 bits). + p += 0x00010000u + bit; + *stats = p; + return bit; +} + +// Cost of coding one event with probability 'proba'. +static WEBP_INLINE int VP8BitCost(int bit, uint8_t proba) { + return !bit ? VP8EntropyCost[proba] : VP8EntropyCost[255 - proba]; +} + +// Level cost calculations +extern const uint16_t VP8LevelCodes[MAX_VARIABLE_LEVEL][2]; +void VP8CalculateLevelCosts(VP8EncProba* const proba); +static WEBP_INLINE int VP8LevelCost(const uint16_t* const table, int level) { + return VP8LevelFixedCosts[level] + + table[(level > MAX_VARIABLE_LEVEL) ? MAX_VARIABLE_LEVEL : level]; +} + +// Mode costs +extern const uint16_t VP8FixedCostsUV[4]; +extern const uint16_t VP8FixedCostsI16[4]; +extern const uint16_t VP8FixedCostsI4[NUM_BMODES][NUM_BMODES][NUM_BMODES]; + +//------------------------------------------------------------------------------ + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_ENC_COST_ENC_H_ diff --git a/ProductApp/Pods/libwebp/src/enc/filter_enc.c b/ProductApp/Pods/libwebp/src/enc/filter_enc.c new file mode 100644 index 0000000..580800b --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/filter_enc.c @@ -0,0 +1,235 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Selecting filter level +// +// Author: somnath@google.com (Somnath Banerjee) + +#include +#include "src/enc/vp8i_enc.h" +#include "src/dsp/dsp.h" + +// This table gives, for a given sharpness, the filtering strength to be +// used (at least) in order to filter a given edge step delta. +// This is constructed by brute force inspection: for all delta, we iterate +// over all possible filtering strength / thresh until needs_filter() returns +// true. +#define MAX_DELTA_SIZE 64 +static const uint8_t kLevelsFromDelta[8][MAX_DELTA_SIZE] = { + { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63 }, + { 0, 1, 2, 3, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 17, 18, + 20, 21, 23, 24, 26, 27, 29, 30, 32, 33, 35, 36, 38, 39, 41, 42, + 44, 45, 47, 48, 50, 51, 53, 54, 56, 57, 59, 60, 62, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63 }, + { 0, 1, 2, 3, 5, 6, 7, 8, 9, 11, 12, 13, 14, 16, 17, 19, + 20, 22, 23, 25, 26, 28, 29, 31, 32, 34, 35, 37, 38, 40, 41, 43, + 44, 46, 47, 49, 50, 52, 53, 55, 56, 58, 59, 61, 62, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63 }, + { 0, 1, 2, 3, 5, 6, 7, 8, 9, 11, 12, 13, 15, 16, 18, 19, + 21, 22, 24, 25, 27, 28, 30, 31, 33, 34, 36, 37, 39, 40, 42, 43, + 45, 46, 48, 49, 51, 52, 54, 55, 57, 58, 60, 61, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63 }, + { 0, 1, 2, 3, 5, 6, 7, 8, 9, 11, 12, 14, 15, 17, 18, 20, + 21, 23, 24, 26, 27, 29, 30, 32, 33, 35, 36, 38, 39, 41, 42, 44, + 45, 47, 48, 50, 51, 53, 54, 56, 57, 59, 60, 62, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63 }, + { 0, 1, 2, 4, 5, 7, 8, 9, 11, 12, 13, 15, 16, 17, 19, 20, + 22, 23, 25, 26, 28, 29, 31, 32, 34, 35, 37, 38, 40, 41, 43, 44, + 46, 47, 49, 50, 52, 53, 55, 56, 58, 59, 61, 62, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63 }, + { 0, 1, 2, 4, 5, 7, 8, 9, 11, 12, 13, 15, 16, 18, 19, 21, + 22, 24, 25, 27, 28, 30, 31, 33, 34, 36, 37, 39, 40, 42, 43, 45, + 46, 48, 49, 51, 52, 54, 55, 57, 58, 60, 61, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63 }, + { 0, 1, 2, 4, 5, 7, 8, 9, 11, 12, 14, 15, 17, 18, 20, 21, + 23, 24, 26, 27, 29, 30, 32, 33, 35, 36, 38, 39, 41, 42, 44, 45, + 47, 48, 50, 51, 53, 54, 56, 57, 59, 60, 62, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63 } +}; + +int VP8FilterStrengthFromDelta(int sharpness, int delta) { + const int pos = (delta < MAX_DELTA_SIZE) ? delta : MAX_DELTA_SIZE - 1; + assert(sharpness >= 0 && sharpness <= 7); + return kLevelsFromDelta[sharpness][pos]; +} + +//------------------------------------------------------------------------------ +// Paragraph 15.4: compute the inner-edge filtering strength + +#if !defined(WEBP_REDUCE_SIZE) + +static int GetILevel(int sharpness, int level) { + if (sharpness > 0) { + if (sharpness > 4) { + level >>= 2; + } else { + level >>= 1; + } + if (level > 9 - sharpness) { + level = 9 - sharpness; + } + } + if (level < 1) level = 1; + return level; +} + +static void DoFilter(const VP8EncIterator* const it, int level) { + const VP8Encoder* const enc = it->enc_; + const int ilevel = GetILevel(enc->config_->filter_sharpness, level); + const int limit = 2 * level + ilevel; + + uint8_t* const y_dst = it->yuv_out2_ + Y_OFF_ENC; + uint8_t* const u_dst = it->yuv_out2_ + U_OFF_ENC; + uint8_t* const v_dst = it->yuv_out2_ + V_OFF_ENC; + + // copy current block to yuv_out2_ + memcpy(y_dst, it->yuv_out_, YUV_SIZE_ENC * sizeof(uint8_t)); + + if (enc->filter_hdr_.simple_ == 1) { // simple + VP8SimpleHFilter16i(y_dst, BPS, limit); + VP8SimpleVFilter16i(y_dst, BPS, limit); + } else { // complex + const int hev_thresh = (level >= 40) ? 2 : (level >= 15) ? 1 : 0; + VP8HFilter16i(y_dst, BPS, limit, ilevel, hev_thresh); + VP8HFilter8i(u_dst, v_dst, BPS, limit, ilevel, hev_thresh); + VP8VFilter16i(y_dst, BPS, limit, ilevel, hev_thresh); + VP8VFilter8i(u_dst, v_dst, BPS, limit, ilevel, hev_thresh); + } +} + +//------------------------------------------------------------------------------ +// SSIM metric for one macroblock + +static double GetMBSSIM(const uint8_t* yuv1, const uint8_t* yuv2) { + int x, y; + double sum = 0.; + + // compute SSIM in a 10 x 10 window + for (y = VP8_SSIM_KERNEL; y < 16 - VP8_SSIM_KERNEL; y++) { + for (x = VP8_SSIM_KERNEL; x < 16 - VP8_SSIM_KERNEL; x++) { + sum += VP8SSIMGetClipped(yuv1 + Y_OFF_ENC, BPS, yuv2 + Y_OFF_ENC, BPS, + x, y, 16, 16); + } + } + for (x = 1; x < 7; x++) { + for (y = 1; y < 7; y++) { + sum += VP8SSIMGetClipped(yuv1 + U_OFF_ENC, BPS, yuv2 + U_OFF_ENC, BPS, + x, y, 8, 8); + sum += VP8SSIMGetClipped(yuv1 + V_OFF_ENC, BPS, yuv2 + V_OFF_ENC, BPS, + x, y, 8, 8); + } + } + return sum; +} + +#endif // !defined(WEBP_REDUCE_SIZE) + +//------------------------------------------------------------------------------ +// Exposed APIs: Encoder should call the following 3 functions to adjust +// loop filter strength + +void VP8InitFilter(VP8EncIterator* const it) { +#if !defined(WEBP_REDUCE_SIZE) + if (it->lf_stats_ != NULL) { + int s, i; + for (s = 0; s < NUM_MB_SEGMENTS; s++) { + for (i = 0; i < MAX_LF_LEVELS; i++) { + (*it->lf_stats_)[s][i] = 0; + } + } + VP8SSIMDspInit(); + } +#else + (void)it; +#endif +} + +void VP8StoreFilterStats(VP8EncIterator* const it) { +#if !defined(WEBP_REDUCE_SIZE) + int d; + VP8Encoder* const enc = it->enc_; + const int s = it->mb_->segment_; + const int level0 = enc->dqm_[s].fstrength_; + + // explore +/-quant range of values around level0 + const int delta_min = -enc->dqm_[s].quant_; + const int delta_max = enc->dqm_[s].quant_; + const int step_size = (delta_max - delta_min >= 4) ? 4 : 1; + + if (it->lf_stats_ == NULL) return; + + // NOTE: Currently we are applying filter only across the sublock edges + // There are two reasons for that. + // 1. Applying filter on macro block edges will change the pixels in + // the left and top macro blocks. That will be hard to restore + // 2. Macro Blocks on the bottom and right are not yet compressed. So we + // cannot apply filter on the right and bottom macro block edges. + if (it->mb_->type_ == 1 && it->mb_->skip_) return; + + // Always try filter level zero + (*it->lf_stats_)[s][0] += GetMBSSIM(it->yuv_in_, it->yuv_out_); + + for (d = delta_min; d <= delta_max; d += step_size) { + const int level = level0 + d; + if (level <= 0 || level >= MAX_LF_LEVELS) { + continue; + } + DoFilter(it, level); + (*it->lf_stats_)[s][level] += GetMBSSIM(it->yuv_in_, it->yuv_out2_); + } +#else // defined(WEBP_REDUCE_SIZE) + (void)it; +#endif // !defined(WEBP_REDUCE_SIZE) +} + +void VP8AdjustFilterStrength(VP8EncIterator* const it) { + VP8Encoder* const enc = it->enc_; +#if !defined(WEBP_REDUCE_SIZE) + if (it->lf_stats_ != NULL) { + int s; + for (s = 0; s < NUM_MB_SEGMENTS; s++) { + int i, best_level = 0; + // Improvement over filter level 0 should be at least 1e-5 (relatively) + double best_v = 1.00001 * (*it->lf_stats_)[s][0]; + for (i = 1; i < MAX_LF_LEVELS; i++) { + const double v = (*it->lf_stats_)[s][i]; + if (v > best_v) { + best_v = v; + best_level = i; + } + } + enc->dqm_[s].fstrength_ = best_level; + } + return; + } +#endif // !defined(WEBP_REDUCE_SIZE) + if (enc->config_->filter_strength > 0) { + int max_level = 0; + int s; + for (s = 0; s < NUM_MB_SEGMENTS; s++) { + VP8SegmentInfo* const dqm = &enc->dqm_[s]; + // this '>> 3' accounts for some inverse WHT scaling + const int delta = (dqm->max_edge_ * dqm->y2_.q_[1]) >> 3; + const int level = + VP8FilterStrengthFromDelta(enc->filter_hdr_.sharpness_, delta); + if (level > dqm->fstrength_) { + dqm->fstrength_ = level; + } + if (max_level < dqm->fstrength_) { + max_level = dqm->fstrength_; + } + } + enc->filter_hdr_.level_ = max_level; + } +} + +// ----------------------------------------------------------------------------- diff --git a/ProductApp/Pods/libwebp/src/enc/frame_enc.c b/ProductApp/Pods/libwebp/src/enc/frame_enc.c new file mode 100644 index 0000000..9a98dc1 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/frame_enc.c @@ -0,0 +1,905 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// frame coding and analysis +// +// Author: Skal (pascal.massimino@gmail.com) + +#include +#include + +#include "src/enc/cost_enc.h" +#include "src/enc/vp8i_enc.h" +#include "src/dsp/dsp.h" +#include "src/webp/format_constants.h" // RIFF constants + +#define SEGMENT_VISU 0 +#define DEBUG_SEARCH 0 // useful to track search convergence + +//------------------------------------------------------------------------------ +// multi-pass convergence + +#define HEADER_SIZE_ESTIMATE (RIFF_HEADER_SIZE + CHUNK_HEADER_SIZE + \ + VP8_FRAME_HEADER_SIZE) +#define DQ_LIMIT 0.4 // convergence is considered reached if dq < DQ_LIMIT +// we allow 2k of extra head-room in PARTITION0 limit. +#define PARTITION0_SIZE_LIMIT ((VP8_MAX_PARTITION0_SIZE - 2048ULL) << 11) + +static float Clamp(float v, float min, float max) { + return (v < min) ? min : (v > max) ? max : v; +} + +typedef struct { // struct for organizing convergence in either size or PSNR + int is_first; + float dq; + float q, last_q; + float qmin, qmax; + double value, last_value; // PSNR or size + double target; + int do_size_search; +} PassStats; + +static int InitPassStats(const VP8Encoder* const enc, PassStats* const s) { + const uint64_t target_size = (uint64_t)enc->config_->target_size; + const int do_size_search = (target_size != 0); + const float target_PSNR = enc->config_->target_PSNR; + + s->is_first = 1; + s->dq = 10.f; + s->qmin = 1.f * enc->config_->qmin; + s->qmax = 1.f * enc->config_->qmax; + s->q = s->last_q = Clamp(enc->config_->quality, s->qmin, s->qmax); + s->target = do_size_search ? (double)target_size + : (target_PSNR > 0.) ? target_PSNR + : 40.; // default, just in case + s->value = s->last_value = 0.; + s->do_size_search = do_size_search; + return do_size_search; +} + +static float ComputeNextQ(PassStats* const s) { + float dq; + if (s->is_first) { + dq = (s->value > s->target) ? -s->dq : s->dq; + s->is_first = 0; + } else if (s->value != s->last_value) { + const double slope = (s->target - s->value) / (s->last_value - s->value); + dq = (float)(slope * (s->last_q - s->q)); + } else { + dq = 0.; // we're done?! + } + // Limit variable to avoid large swings. + s->dq = Clamp(dq, -30.f, 30.f); + s->last_q = s->q; + s->last_value = s->value; + s->q = Clamp(s->q + s->dq, s->qmin, s->qmax); + return s->q; +} + +//------------------------------------------------------------------------------ +// Tables for level coding + +const uint8_t VP8Cat3[] = { 173, 148, 140 }; +const uint8_t VP8Cat4[] = { 176, 155, 140, 135 }; +const uint8_t VP8Cat5[] = { 180, 157, 141, 134, 130 }; +const uint8_t VP8Cat6[] = + { 254, 254, 243, 230, 196, 177, 153, 140, 133, 130, 129 }; + +//------------------------------------------------------------------------------ +// Reset the statistics about: number of skips, token proba, level cost,... + +static void ResetStats(VP8Encoder* const enc) { + VP8EncProba* const proba = &enc->proba_; + VP8CalculateLevelCosts(proba); + proba->nb_skip_ = 0; +} + +//------------------------------------------------------------------------------ +// Skip decision probability + +#define SKIP_PROBA_THRESHOLD 250 // value below which using skip_proba is OK. + +static int CalcSkipProba(uint64_t nb, uint64_t total) { + return (int)(total ? (total - nb) * 255 / total : 255); +} + +// Returns the bit-cost for coding the skip probability. +static int FinalizeSkipProba(VP8Encoder* const enc) { + VP8EncProba* const proba = &enc->proba_; + const int nb_mbs = enc->mb_w_ * enc->mb_h_; + const int nb_events = proba->nb_skip_; + int size; + proba->skip_proba_ = CalcSkipProba(nb_events, nb_mbs); + proba->use_skip_proba_ = (proba->skip_proba_ < SKIP_PROBA_THRESHOLD); + size = 256; // 'use_skip_proba' bit + if (proba->use_skip_proba_) { + size += nb_events * VP8BitCost(1, proba->skip_proba_) + + (nb_mbs - nb_events) * VP8BitCost(0, proba->skip_proba_); + size += 8 * 256; // cost of signaling the skip_proba_ itself. + } + return size; +} + +// Collect statistics and deduce probabilities for next coding pass. +// Return the total bit-cost for coding the probability updates. +static int CalcTokenProba(int nb, int total) { + assert(nb <= total); + return nb ? (255 - nb * 255 / total) : 255; +} + +// Cost of coding 'nb' 1's and 'total-nb' 0's using 'proba' probability. +static int BranchCost(int nb, int total, int proba) { + return nb * VP8BitCost(1, proba) + (total - nb) * VP8BitCost(0, proba); +} + +static void ResetTokenStats(VP8Encoder* const enc) { + VP8EncProba* const proba = &enc->proba_; + memset(proba->stats_, 0, sizeof(proba->stats_)); +} + +static int FinalizeTokenProbas(VP8EncProba* const proba) { + int has_changed = 0; + int size = 0; + int t, b, c, p; + for (t = 0; t < NUM_TYPES; ++t) { + for (b = 0; b < NUM_BANDS; ++b) { + for (c = 0; c < NUM_CTX; ++c) { + for (p = 0; p < NUM_PROBAS; ++p) { + const proba_t stats = proba->stats_[t][b][c][p]; + const int nb = (stats >> 0) & 0xffff; + const int total = (stats >> 16) & 0xffff; + const int update_proba = VP8CoeffsUpdateProba[t][b][c][p]; + const int old_p = VP8CoeffsProba0[t][b][c][p]; + const int new_p = CalcTokenProba(nb, total); + const int old_cost = BranchCost(nb, total, old_p) + + VP8BitCost(0, update_proba); + const int new_cost = BranchCost(nb, total, new_p) + + VP8BitCost(1, update_proba) + + 8 * 256; + const int use_new_p = (old_cost > new_cost); + size += VP8BitCost(use_new_p, update_proba); + if (use_new_p) { // only use proba that seem meaningful enough. + proba->coeffs_[t][b][c][p] = new_p; + has_changed |= (new_p != old_p); + size += 8 * 256; + } else { + proba->coeffs_[t][b][c][p] = old_p; + } + } + } + } + } + proba->dirty_ = has_changed; + return size; +} + +//------------------------------------------------------------------------------ +// Finalize Segment probability based on the coding tree + +static int GetProba(int a, int b) { + const int total = a + b; + return (total == 0) ? 255 // that's the default probability. + : (255 * a + total / 2) / total; // rounded proba +} + +static void ResetSegments(VP8Encoder* const enc) { + int n; + for (n = 0; n < enc->mb_w_ * enc->mb_h_; ++n) { + enc->mb_info_[n].segment_ = 0; + } +} + +static void SetSegmentProbas(VP8Encoder* const enc) { + int p[NUM_MB_SEGMENTS] = { 0 }; + int n; + + for (n = 0; n < enc->mb_w_ * enc->mb_h_; ++n) { + const VP8MBInfo* const mb = &enc->mb_info_[n]; + ++p[mb->segment_]; + } +#if !defined(WEBP_DISABLE_STATS) + if (enc->pic_->stats != NULL) { + for (n = 0; n < NUM_MB_SEGMENTS; ++n) { + enc->pic_->stats->segment_size[n] = p[n]; + } + } +#endif + if (enc->segment_hdr_.num_segments_ > 1) { + uint8_t* const probas = enc->proba_.segments_; + probas[0] = GetProba(p[0] + p[1], p[2] + p[3]); + probas[1] = GetProba(p[0], p[1]); + probas[2] = GetProba(p[2], p[3]); + + enc->segment_hdr_.update_map_ = + (probas[0] != 255) || (probas[1] != 255) || (probas[2] != 255); + if (!enc->segment_hdr_.update_map_) ResetSegments(enc); + enc->segment_hdr_.size_ = + p[0] * (VP8BitCost(0, probas[0]) + VP8BitCost(0, probas[1])) + + p[1] * (VP8BitCost(0, probas[0]) + VP8BitCost(1, probas[1])) + + p[2] * (VP8BitCost(1, probas[0]) + VP8BitCost(0, probas[2])) + + p[3] * (VP8BitCost(1, probas[0]) + VP8BitCost(1, probas[2])); + } else { + enc->segment_hdr_.update_map_ = 0; + enc->segment_hdr_.size_ = 0; + } +} + +//------------------------------------------------------------------------------ +// Coefficient coding + +static int PutCoeffs(VP8BitWriter* const bw, int ctx, const VP8Residual* res) { + int n = res->first; + // should be prob[VP8EncBands[n]], but it's equivalent for n=0 or 1 + const uint8_t* p = res->prob[n][ctx]; + if (!VP8PutBit(bw, res->last >= 0, p[0])) { + return 0; + } + + while (n < 16) { + const int c = res->coeffs[n++]; + const int sign = c < 0; + int v = sign ? -c : c; + if (!VP8PutBit(bw, v != 0, p[1])) { + p = res->prob[VP8EncBands[n]][0]; + continue; + } + if (!VP8PutBit(bw, v > 1, p[2])) { + p = res->prob[VP8EncBands[n]][1]; + } else { + if (!VP8PutBit(bw, v > 4, p[3])) { + if (VP8PutBit(bw, v != 2, p[4])) { + VP8PutBit(bw, v == 4, p[5]); + } + } else if (!VP8PutBit(bw, v > 10, p[6])) { + if (!VP8PutBit(bw, v > 6, p[7])) { + VP8PutBit(bw, v == 6, 159); + } else { + VP8PutBit(bw, v >= 9, 165); + VP8PutBit(bw, !(v & 1), 145); + } + } else { + int mask; + const uint8_t* tab; + if (v < 3 + (8 << 1)) { // VP8Cat3 (3b) + VP8PutBit(bw, 0, p[8]); + VP8PutBit(bw, 0, p[9]); + v -= 3 + (8 << 0); + mask = 1 << 2; + tab = VP8Cat3; + } else if (v < 3 + (8 << 2)) { // VP8Cat4 (4b) + VP8PutBit(bw, 0, p[8]); + VP8PutBit(bw, 1, p[9]); + v -= 3 + (8 << 1); + mask = 1 << 3; + tab = VP8Cat4; + } else if (v < 3 + (8 << 3)) { // VP8Cat5 (5b) + VP8PutBit(bw, 1, p[8]); + VP8PutBit(bw, 0, p[10]); + v -= 3 + (8 << 2); + mask = 1 << 4; + tab = VP8Cat5; + } else { // VP8Cat6 (11b) + VP8PutBit(bw, 1, p[8]); + VP8PutBit(bw, 1, p[10]); + v -= 3 + (8 << 3); + mask = 1 << 10; + tab = VP8Cat6; + } + while (mask) { + VP8PutBit(bw, !!(v & mask), *tab++); + mask >>= 1; + } + } + p = res->prob[VP8EncBands[n]][2]; + } + VP8PutBitUniform(bw, sign); + if (n == 16 || !VP8PutBit(bw, n <= res->last, p[0])) { + return 1; // EOB + } + } + return 1; +} + +static void CodeResiduals(VP8BitWriter* const bw, VP8EncIterator* const it, + const VP8ModeScore* const rd) { + int x, y, ch; + VP8Residual res; + uint64_t pos1, pos2, pos3; + const int i16 = (it->mb_->type_ == 1); + const int segment = it->mb_->segment_; + VP8Encoder* const enc = it->enc_; + + VP8IteratorNzToBytes(it); + + pos1 = VP8BitWriterPos(bw); + if (i16) { + VP8InitResidual(0, 1, enc, &res); + VP8SetResidualCoeffs(rd->y_dc_levels, &res); + it->top_nz_[8] = it->left_nz_[8] = + PutCoeffs(bw, it->top_nz_[8] + it->left_nz_[8], &res); + VP8InitResidual(1, 0, enc, &res); + } else { + VP8InitResidual(0, 3, enc, &res); + } + + // luma-AC + for (y = 0; y < 4; ++y) { + for (x = 0; x < 4; ++x) { + const int ctx = it->top_nz_[x] + it->left_nz_[y]; + VP8SetResidualCoeffs(rd->y_ac_levels[x + y * 4], &res); + it->top_nz_[x] = it->left_nz_[y] = PutCoeffs(bw, ctx, &res); + } + } + pos2 = VP8BitWriterPos(bw); + + // U/V + VP8InitResidual(0, 2, enc, &res); + for (ch = 0; ch <= 2; ch += 2) { + for (y = 0; y < 2; ++y) { + for (x = 0; x < 2; ++x) { + const int ctx = it->top_nz_[4 + ch + x] + it->left_nz_[4 + ch + y]; + VP8SetResidualCoeffs(rd->uv_levels[ch * 2 + x + y * 2], &res); + it->top_nz_[4 + ch + x] = it->left_nz_[4 + ch + y] = + PutCoeffs(bw, ctx, &res); + } + } + } + pos3 = VP8BitWriterPos(bw); + it->luma_bits_ = pos2 - pos1; + it->uv_bits_ = pos3 - pos2; + it->bit_count_[segment][i16] += it->luma_bits_; + it->bit_count_[segment][2] += it->uv_bits_; + VP8IteratorBytesToNz(it); +} + +// Same as CodeResiduals, but doesn't actually write anything. +// Instead, it just records the event distribution. +static void RecordResiduals(VP8EncIterator* const it, + const VP8ModeScore* const rd) { + int x, y, ch; + VP8Residual res; + VP8Encoder* const enc = it->enc_; + + VP8IteratorNzToBytes(it); + + if (it->mb_->type_ == 1) { // i16x16 + VP8InitResidual(0, 1, enc, &res); + VP8SetResidualCoeffs(rd->y_dc_levels, &res); + it->top_nz_[8] = it->left_nz_[8] = + VP8RecordCoeffs(it->top_nz_[8] + it->left_nz_[8], &res); + VP8InitResidual(1, 0, enc, &res); + } else { + VP8InitResidual(0, 3, enc, &res); + } + + // luma-AC + for (y = 0; y < 4; ++y) { + for (x = 0; x < 4; ++x) { + const int ctx = it->top_nz_[x] + it->left_nz_[y]; + VP8SetResidualCoeffs(rd->y_ac_levels[x + y * 4], &res); + it->top_nz_[x] = it->left_nz_[y] = VP8RecordCoeffs(ctx, &res); + } + } + + // U/V + VP8InitResidual(0, 2, enc, &res); + for (ch = 0; ch <= 2; ch += 2) { + for (y = 0; y < 2; ++y) { + for (x = 0; x < 2; ++x) { + const int ctx = it->top_nz_[4 + ch + x] + it->left_nz_[4 + ch + y]; + VP8SetResidualCoeffs(rd->uv_levels[ch * 2 + x + y * 2], &res); + it->top_nz_[4 + ch + x] = it->left_nz_[4 + ch + y] = + VP8RecordCoeffs(ctx, &res); + } + } + } + + VP8IteratorBytesToNz(it); +} + +//------------------------------------------------------------------------------ +// Token buffer + +#if !defined(DISABLE_TOKEN_BUFFER) + +static int RecordTokens(VP8EncIterator* const it, const VP8ModeScore* const rd, + VP8TBuffer* const tokens) { + int x, y, ch; + VP8Residual res; + VP8Encoder* const enc = it->enc_; + + VP8IteratorNzToBytes(it); + if (it->mb_->type_ == 1) { // i16x16 + const int ctx = it->top_nz_[8] + it->left_nz_[8]; + VP8InitResidual(0, 1, enc, &res); + VP8SetResidualCoeffs(rd->y_dc_levels, &res); + it->top_nz_[8] = it->left_nz_[8] = + VP8RecordCoeffTokens(ctx, &res, tokens); + VP8InitResidual(1, 0, enc, &res); + } else { + VP8InitResidual(0, 3, enc, &res); + } + + // luma-AC + for (y = 0; y < 4; ++y) { + for (x = 0; x < 4; ++x) { + const int ctx = it->top_nz_[x] + it->left_nz_[y]; + VP8SetResidualCoeffs(rd->y_ac_levels[x + y * 4], &res); + it->top_nz_[x] = it->left_nz_[y] = + VP8RecordCoeffTokens(ctx, &res, tokens); + } + } + + // U/V + VP8InitResidual(0, 2, enc, &res); + for (ch = 0; ch <= 2; ch += 2) { + for (y = 0; y < 2; ++y) { + for (x = 0; x < 2; ++x) { + const int ctx = it->top_nz_[4 + ch + x] + it->left_nz_[4 + ch + y]; + VP8SetResidualCoeffs(rd->uv_levels[ch * 2 + x + y * 2], &res); + it->top_nz_[4 + ch + x] = it->left_nz_[4 + ch + y] = + VP8RecordCoeffTokens(ctx, &res, tokens); + } + } + } + VP8IteratorBytesToNz(it); + return !tokens->error_; +} + +#endif // !DISABLE_TOKEN_BUFFER + +//------------------------------------------------------------------------------ +// ExtraInfo map / Debug function + +#if !defined(WEBP_DISABLE_STATS) + +#if SEGMENT_VISU +static void SetBlock(uint8_t* p, int value, int size) { + int y; + for (y = 0; y < size; ++y) { + memset(p, value, size); + p += BPS; + } +} +#endif + +static void ResetSSE(VP8Encoder* const enc) { + enc->sse_[0] = 0; + enc->sse_[1] = 0; + enc->sse_[2] = 0; + // Note: enc->sse_[3] is managed by alpha.c + enc->sse_count_ = 0; +} + +static void StoreSSE(const VP8EncIterator* const it) { + VP8Encoder* const enc = it->enc_; + const uint8_t* const in = it->yuv_in_; + const uint8_t* const out = it->yuv_out_; + // Note: not totally accurate at boundary. And doesn't include in-loop filter. + enc->sse_[0] += VP8SSE16x16(in + Y_OFF_ENC, out + Y_OFF_ENC); + enc->sse_[1] += VP8SSE8x8(in + U_OFF_ENC, out + U_OFF_ENC); + enc->sse_[2] += VP8SSE8x8(in + V_OFF_ENC, out + V_OFF_ENC); + enc->sse_count_ += 16 * 16; +} + +static void StoreSideInfo(const VP8EncIterator* const it) { + VP8Encoder* const enc = it->enc_; + const VP8MBInfo* const mb = it->mb_; + WebPPicture* const pic = enc->pic_; + + if (pic->stats != NULL) { + StoreSSE(it); + enc->block_count_[0] += (mb->type_ == 0); + enc->block_count_[1] += (mb->type_ == 1); + enc->block_count_[2] += (mb->skip_ != 0); + } + + if (pic->extra_info != NULL) { + uint8_t* const info = &pic->extra_info[it->x_ + it->y_ * enc->mb_w_]; + switch (pic->extra_info_type) { + case 1: *info = mb->type_; break; + case 2: *info = mb->segment_; break; + case 3: *info = enc->dqm_[mb->segment_].quant_; break; + case 4: *info = (mb->type_ == 1) ? it->preds_[0] : 0xff; break; + case 5: *info = mb->uv_mode_; break; + case 6: { + const int b = (int)((it->luma_bits_ + it->uv_bits_ + 7) >> 3); + *info = (b > 255) ? 255 : b; break; + } + case 7: *info = mb->alpha_; break; + default: *info = 0; break; + } + } +#if SEGMENT_VISU // visualize segments and prediction modes + SetBlock(it->yuv_out_ + Y_OFF_ENC, mb->segment_ * 64, 16); + SetBlock(it->yuv_out_ + U_OFF_ENC, it->preds_[0] * 64, 8); + SetBlock(it->yuv_out_ + V_OFF_ENC, mb->uv_mode_ * 64, 8); +#endif +} + +static void ResetSideInfo(const VP8EncIterator* const it) { + VP8Encoder* const enc = it->enc_; + WebPPicture* const pic = enc->pic_; + if (pic->stats != NULL) { + memset(enc->block_count_, 0, sizeof(enc->block_count_)); + } + ResetSSE(enc); +} +#else // defined(WEBP_DISABLE_STATS) +static void ResetSSE(VP8Encoder* const enc) { + (void)enc; +} +static void StoreSideInfo(const VP8EncIterator* const it) { + VP8Encoder* const enc = it->enc_; + WebPPicture* const pic = enc->pic_; + if (pic->extra_info != NULL) { + if (it->x_ == 0 && it->y_ == 0) { // only do it once, at start + memset(pic->extra_info, 0, + enc->mb_w_ * enc->mb_h_ * sizeof(*pic->extra_info)); + } + } +} + +static void ResetSideInfo(const VP8EncIterator* const it) { + (void)it; +} +#endif // !defined(WEBP_DISABLE_STATS) + +static double GetPSNR(uint64_t mse, uint64_t size) { + return (mse > 0 && size > 0) ? 10. * log10(255. * 255. * size / mse) : 99; +} + +//------------------------------------------------------------------------------ +// StatLoop(): only collect statistics (number of skips, token usage, ...). +// This is used for deciding optimal probabilities. It also modifies the +// quantizer value if some target (size, PSNR) was specified. + +static void SetLoopParams(VP8Encoder* const enc, float q) { + // Make sure the quality parameter is inside valid bounds + q = Clamp(q, 0.f, 100.f); + + VP8SetSegmentParams(enc, q); // setup segment quantizations and filters + SetSegmentProbas(enc); // compute segment probabilities + + ResetStats(enc); + ResetSSE(enc); +} + +static uint64_t OneStatPass(VP8Encoder* const enc, VP8RDLevel rd_opt, + int nb_mbs, int percent_delta, + PassStats* const s) { + VP8EncIterator it; + uint64_t size = 0; + uint64_t size_p0 = 0; + uint64_t distortion = 0; + const uint64_t pixel_count = nb_mbs * 384; + + VP8IteratorInit(enc, &it); + SetLoopParams(enc, s->q); + do { + VP8ModeScore info; + VP8IteratorImport(&it, NULL); + if (VP8Decimate(&it, &info, rd_opt)) { + // Just record the number of skips and act like skip_proba is not used. + ++enc->proba_.nb_skip_; + } + RecordResiduals(&it, &info); + size += info.R + info.H; + size_p0 += info.H; + distortion += info.D; + if (percent_delta && !VP8IteratorProgress(&it, percent_delta)) { + return 0; + } + VP8IteratorSaveBoundary(&it); + } while (VP8IteratorNext(&it) && --nb_mbs > 0); + + size_p0 += enc->segment_hdr_.size_; + if (s->do_size_search) { + size += FinalizeSkipProba(enc); + size += FinalizeTokenProbas(&enc->proba_); + size = ((size + size_p0 + 1024) >> 11) + HEADER_SIZE_ESTIMATE; + s->value = (double)size; + } else { + s->value = GetPSNR(distortion, pixel_count); + } + return size_p0; +} + +static int StatLoop(VP8Encoder* const enc) { + const int method = enc->method_; + const int do_search = enc->do_search_; + const int fast_probe = ((method == 0 || method == 3) && !do_search); + int num_pass_left = enc->config_->pass; + const int task_percent = 20; + const int percent_per_pass = + (task_percent + num_pass_left / 2) / num_pass_left; + const int final_percent = enc->percent_ + task_percent; + const VP8RDLevel rd_opt = + (method >= 3 || do_search) ? RD_OPT_BASIC : RD_OPT_NONE; + int nb_mbs = enc->mb_w_ * enc->mb_h_; + PassStats stats; + + InitPassStats(enc, &stats); + ResetTokenStats(enc); + + // Fast mode: quick analysis pass over few mbs. Better than nothing. + if (fast_probe) { + if (method == 3) { // we need more stats for method 3 to be reliable. + nb_mbs = (nb_mbs > 200) ? nb_mbs >> 1 : 100; + } else { + nb_mbs = (nb_mbs > 200) ? nb_mbs >> 2 : 50; + } + } + + while (num_pass_left-- > 0) { + const int is_last_pass = (fabs(stats.dq) <= DQ_LIMIT) || + (num_pass_left == 0) || + (enc->max_i4_header_bits_ == 0); + const uint64_t size_p0 = + OneStatPass(enc, rd_opt, nb_mbs, percent_per_pass, &stats); + if (size_p0 == 0) return 0; +#if (DEBUG_SEARCH > 0) + printf("#%d value:%.1lf -> %.1lf q:%.2f -> %.2f\n", + num_pass_left, stats.last_value, stats.value, stats.last_q, stats.q); +#endif + if (enc->max_i4_header_bits_ > 0 && size_p0 > PARTITION0_SIZE_LIMIT) { + ++num_pass_left; + enc->max_i4_header_bits_ >>= 1; // strengthen header bit limitation... + continue; // ...and start over + } + if (is_last_pass) { + break; + } + // If no target size: just do several pass without changing 'q' + if (do_search) { + ComputeNextQ(&stats); + if (fabs(stats.dq) <= DQ_LIMIT) break; + } + } + if (!do_search || !stats.do_size_search) { + // Need to finalize probas now, since it wasn't done during the search. + FinalizeSkipProba(enc); + FinalizeTokenProbas(&enc->proba_); + } + VP8CalculateLevelCosts(&enc->proba_); // finalize costs + return WebPReportProgress(enc->pic_, final_percent, &enc->percent_); +} + +//------------------------------------------------------------------------------ +// Main loops +// + +static const uint8_t kAverageBytesPerMB[8] = { 50, 24, 16, 9, 7, 5, 3, 2 }; + +static int PreLoopInitialize(VP8Encoder* const enc) { + int p; + int ok = 1; + const int average_bytes_per_MB = kAverageBytesPerMB[enc->base_quant_ >> 4]; + const int bytes_per_parts = + enc->mb_w_ * enc->mb_h_ * average_bytes_per_MB / enc->num_parts_; + // Initialize the bit-writers + for (p = 0; ok && p < enc->num_parts_; ++p) { + ok = VP8BitWriterInit(enc->parts_ + p, bytes_per_parts); + } + if (!ok) { + VP8EncFreeBitWriters(enc); // malloc error occurred + return WebPEncodingSetError(enc->pic_, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + return ok; +} + +static int PostLoopFinalize(VP8EncIterator* const it, int ok) { + VP8Encoder* const enc = it->enc_; + if (ok) { // Finalize the partitions, check for extra errors. + int p; + for (p = 0; p < enc->num_parts_; ++p) { + VP8BitWriterFinish(enc->parts_ + p); + ok &= !enc->parts_[p].error_; + } + } + + if (ok) { // All good. Finish up. +#if !defined(WEBP_DISABLE_STATS) + if (enc->pic_->stats != NULL) { // finalize byte counters... + int i, s; + for (i = 0; i <= 2; ++i) { + for (s = 0; s < NUM_MB_SEGMENTS; ++s) { + enc->residual_bytes_[i][s] = (int)((it->bit_count_[s][i] + 7) >> 3); + } + } + } +#endif + VP8AdjustFilterStrength(it); // ...and store filter stats. + } else { + // Something bad happened -> need to do some memory cleanup. + VP8EncFreeBitWriters(enc); + return WebPEncodingSetError(enc->pic_, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + return ok; +} + +//------------------------------------------------------------------------------ +// VP8EncLoop(): does the final bitstream coding. + +static void ResetAfterSkip(VP8EncIterator* const it) { + if (it->mb_->type_ == 1) { + *it->nz_ = 0; // reset all predictors + it->left_nz_[8] = 0; + } else { + *it->nz_ &= (1 << 24); // preserve the dc_nz bit + } +} + +int VP8EncLoop(VP8Encoder* const enc) { + VP8EncIterator it; + int ok = PreLoopInitialize(enc); + if (!ok) return 0; + + StatLoop(enc); // stats-collection loop + + VP8IteratorInit(enc, &it); + VP8InitFilter(&it); + do { + VP8ModeScore info; + const int dont_use_skip = !enc->proba_.use_skip_proba_; + const VP8RDLevel rd_opt = enc->rd_opt_level_; + + VP8IteratorImport(&it, NULL); + // Warning! order is important: first call VP8Decimate() and + // *then* decide how to code the skip decision if there's one. + if (!VP8Decimate(&it, &info, rd_opt) || dont_use_skip) { + CodeResiduals(it.bw_, &it, &info); + if (it.bw_->error_) { + // enc->pic_->error_code is set in PostLoopFinalize(). + ok = 0; + break; + } + } else { // reset predictors after a skip + ResetAfterSkip(&it); + } + StoreSideInfo(&it); + VP8StoreFilterStats(&it); + VP8IteratorExport(&it); + ok = VP8IteratorProgress(&it, 20); + VP8IteratorSaveBoundary(&it); + } while (ok && VP8IteratorNext(&it)); + + return PostLoopFinalize(&it, ok); +} + +//------------------------------------------------------------------------------ +// Single pass using Token Buffer. + +#if !defined(DISABLE_TOKEN_BUFFER) + +#define MIN_COUNT 96 // minimum number of macroblocks before updating stats + +int VP8EncTokenLoop(VP8Encoder* const enc) { + // Roughly refresh the proba eight times per pass + int max_count = (enc->mb_w_ * enc->mb_h_) >> 3; + int num_pass_left = enc->config_->pass; + int remaining_progress = 40; // percents + const int do_search = enc->do_search_; + VP8EncIterator it; + VP8EncProba* const proba = &enc->proba_; + const VP8RDLevel rd_opt = enc->rd_opt_level_; + const uint64_t pixel_count = enc->mb_w_ * enc->mb_h_ * 384; + PassStats stats; + int ok; + + InitPassStats(enc, &stats); + ok = PreLoopInitialize(enc); + if (!ok) return 0; + + if (max_count < MIN_COUNT) max_count = MIN_COUNT; + + assert(enc->num_parts_ == 1); + assert(enc->use_tokens_); + assert(proba->use_skip_proba_ == 0); + assert(rd_opt >= RD_OPT_BASIC); // otherwise, token-buffer won't be useful + assert(num_pass_left > 0); + + while (ok && num_pass_left-- > 0) { + const int is_last_pass = (fabs(stats.dq) <= DQ_LIMIT) || + (num_pass_left == 0) || + (enc->max_i4_header_bits_ == 0); + uint64_t size_p0 = 0; + uint64_t distortion = 0; + int cnt = max_count; + // The final number of passes is not trivial to know in advance. + const int pass_progress = remaining_progress / (2 + num_pass_left); + remaining_progress -= pass_progress; + VP8IteratorInit(enc, &it); + SetLoopParams(enc, stats.q); + if (is_last_pass) { + ResetTokenStats(enc); + VP8InitFilter(&it); // don't collect stats until last pass (too costly) + } + VP8TBufferClear(&enc->tokens_); + do { + VP8ModeScore info; + VP8IteratorImport(&it, NULL); + if (--cnt < 0) { + FinalizeTokenProbas(proba); + VP8CalculateLevelCosts(proba); // refresh cost tables for rd-opt + cnt = max_count; + } + VP8Decimate(&it, &info, rd_opt); + ok = RecordTokens(&it, &info, &enc->tokens_); + if (!ok) { + WebPEncodingSetError(enc->pic_, VP8_ENC_ERROR_OUT_OF_MEMORY); + break; + } + size_p0 += info.H; + distortion += info.D; + if (is_last_pass) { + StoreSideInfo(&it); + VP8StoreFilterStats(&it); + VP8IteratorExport(&it); + ok = VP8IteratorProgress(&it, pass_progress); + } + VP8IteratorSaveBoundary(&it); + } while (ok && VP8IteratorNext(&it)); + if (!ok) break; + + size_p0 += enc->segment_hdr_.size_; + if (stats.do_size_search) { + uint64_t size = FinalizeTokenProbas(&enc->proba_); + size += VP8EstimateTokenSize(&enc->tokens_, + (const uint8_t*)proba->coeffs_); + size = (size + size_p0 + 1024) >> 11; // -> size in bytes + size += HEADER_SIZE_ESTIMATE; + stats.value = (double)size; + } else { // compute and store PSNR + stats.value = GetPSNR(distortion, pixel_count); + } + +#if (DEBUG_SEARCH > 0) + printf("#%2d metric:%.1lf -> %.1lf last_q=%.2lf q=%.2lf dq=%.2lf " + " range:[%.1f, %.1f]\n", + num_pass_left, stats.last_value, stats.value, + stats.last_q, stats.q, stats.dq, stats.qmin, stats.qmax); +#endif + if (enc->max_i4_header_bits_ > 0 && size_p0 > PARTITION0_SIZE_LIMIT) { + ++num_pass_left; + enc->max_i4_header_bits_ >>= 1; // strengthen header bit limitation... + if (is_last_pass) { + ResetSideInfo(&it); + } + continue; // ...and start over + } + if (is_last_pass) { + break; // done + } + if (do_search) { + ComputeNextQ(&stats); // Adjust q + } + } + if (ok) { + if (!stats.do_size_search) { + FinalizeTokenProbas(&enc->proba_); + } + ok = VP8EmitTokens(&enc->tokens_, enc->parts_ + 0, + (const uint8_t*)proba->coeffs_, 1); + } + ok = ok && WebPReportProgress(enc->pic_, enc->percent_ + remaining_progress, + &enc->percent_); + return PostLoopFinalize(&it, ok); +} + +#else + +int VP8EncTokenLoop(VP8Encoder* const enc) { + (void)enc; + return 0; // we shouldn't be here. +} + +#endif // DISABLE_TOKEN_BUFFER + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/enc/histogram_enc.c b/ProductApp/Pods/libwebp/src/enc/histogram_enc.c new file mode 100644 index 0000000..8418def --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/histogram_enc.c @@ -0,0 +1,1248 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Author: Jyrki Alakuijala (jyrki@google.com) +// +#ifdef HAVE_CONFIG_H +#include "src/webp/config.h" +#endif + +#include +#include + +#include "src/dsp/lossless.h" +#include "src/dsp/lossless_common.h" +#include "src/enc/backward_references_enc.h" +#include "src/enc/histogram_enc.h" +#include "src/enc/vp8i_enc.h" +#include "src/utils/utils.h" + +#define MAX_BIT_COST FLT_MAX + +// Number of partitions for the three dominant (literal, red and blue) symbol +// costs. +#define NUM_PARTITIONS 4 +// The size of the bin-hash corresponding to the three dominant costs. +#define BIN_SIZE (NUM_PARTITIONS * NUM_PARTITIONS * NUM_PARTITIONS) +// Maximum number of histograms allowed in greedy combining algorithm. +#define MAX_HISTO_GREEDY 100 + +static void HistogramClear(VP8LHistogram* const p) { + uint32_t* const literal = p->literal_; + const int cache_bits = p->palette_code_bits_; + const int histo_size = VP8LGetHistogramSize(cache_bits); + memset(p, 0, histo_size); + p->palette_code_bits_ = cache_bits; + p->literal_ = literal; +} + +// Swap two histogram pointers. +static void HistogramSwap(VP8LHistogram** const A, VP8LHistogram** const B) { + VP8LHistogram* const tmp = *A; + *A = *B; + *B = tmp; +} + +static void HistogramCopy(const VP8LHistogram* const src, + VP8LHistogram* const dst) { + uint32_t* const dst_literal = dst->literal_; + const int dst_cache_bits = dst->palette_code_bits_; + const int literal_size = VP8LHistogramNumCodes(dst_cache_bits); + const int histo_size = VP8LGetHistogramSize(dst_cache_bits); + assert(src->palette_code_bits_ == dst_cache_bits); + memcpy(dst, src, histo_size); + dst->literal_ = dst_literal; + memcpy(dst->literal_, src->literal_, literal_size * sizeof(*dst->literal_)); +} + +int VP8LGetHistogramSize(int cache_bits) { + const int literal_size = VP8LHistogramNumCodes(cache_bits); + const size_t total_size = sizeof(VP8LHistogram) + sizeof(int) * literal_size; + assert(total_size <= (size_t)0x7fffffff); + return (int)total_size; +} + +void VP8LFreeHistogram(VP8LHistogram* const histo) { + WebPSafeFree(histo); +} + +void VP8LFreeHistogramSet(VP8LHistogramSet* const histo) { + WebPSafeFree(histo); +} + +void VP8LHistogramStoreRefs(const VP8LBackwardRefs* const refs, + VP8LHistogram* const histo) { + VP8LRefsCursor c = VP8LRefsCursorInit(refs); + while (VP8LRefsCursorOk(&c)) { + VP8LHistogramAddSinglePixOrCopy(histo, c.cur_pos, NULL, 0); + VP8LRefsCursorNext(&c); + } +} + +void VP8LHistogramCreate(VP8LHistogram* const p, + const VP8LBackwardRefs* const refs, + int palette_code_bits) { + if (palette_code_bits >= 0) { + p->palette_code_bits_ = palette_code_bits; + } + HistogramClear(p); + VP8LHistogramStoreRefs(refs, p); +} + +void VP8LHistogramInit(VP8LHistogram* const p, int palette_code_bits, + int init_arrays) { + p->palette_code_bits_ = palette_code_bits; + if (init_arrays) { + HistogramClear(p); + } else { + p->trivial_symbol_ = 0; + p->bit_cost_ = 0.; + p->literal_cost_ = 0.; + p->red_cost_ = 0.; + p->blue_cost_ = 0.; + memset(p->is_used_, 0, sizeof(p->is_used_)); + } +} + +VP8LHistogram* VP8LAllocateHistogram(int cache_bits) { + VP8LHistogram* histo = NULL; + const int total_size = VP8LGetHistogramSize(cache_bits); + uint8_t* const memory = (uint8_t*)WebPSafeMalloc(total_size, sizeof(*memory)); + if (memory == NULL) return NULL; + histo = (VP8LHistogram*)memory; + // literal_ won't necessary be aligned. + histo->literal_ = (uint32_t*)(memory + sizeof(VP8LHistogram)); + VP8LHistogramInit(histo, cache_bits, /*init_arrays=*/ 0); + return histo; +} + +// Resets the pointers of the histograms to point to the bit buffer in the set. +static void HistogramSetResetPointers(VP8LHistogramSet* const set, + int cache_bits) { + int i; + const int histo_size = VP8LGetHistogramSize(cache_bits); + uint8_t* memory = (uint8_t*) (set->histograms); + memory += set->max_size * sizeof(*set->histograms); + for (i = 0; i < set->max_size; ++i) { + memory = (uint8_t*) WEBP_ALIGN(memory); + set->histograms[i] = (VP8LHistogram*) memory; + // literal_ won't necessary be aligned. + set->histograms[i]->literal_ = (uint32_t*)(memory + sizeof(VP8LHistogram)); + memory += histo_size; + } +} + +// Returns the total size of the VP8LHistogramSet. +static size_t HistogramSetTotalSize(int size, int cache_bits) { + const int histo_size = VP8LGetHistogramSize(cache_bits); + return (sizeof(VP8LHistogramSet) + size * (sizeof(VP8LHistogram*) + + histo_size + WEBP_ALIGN_CST)); +} + +VP8LHistogramSet* VP8LAllocateHistogramSet(int size, int cache_bits) { + int i; + VP8LHistogramSet* set; + const size_t total_size = HistogramSetTotalSize(size, cache_bits); + uint8_t* memory = (uint8_t*)WebPSafeMalloc(total_size, sizeof(*memory)); + if (memory == NULL) return NULL; + + set = (VP8LHistogramSet*)memory; + memory += sizeof(*set); + set->histograms = (VP8LHistogram**)memory; + set->max_size = size; + set->size = size; + HistogramSetResetPointers(set, cache_bits); + for (i = 0; i < size; ++i) { + VP8LHistogramInit(set->histograms[i], cache_bits, /*init_arrays=*/ 0); + } + return set; +} + +void VP8LHistogramSetClear(VP8LHistogramSet* const set) { + int i; + const int cache_bits = set->histograms[0]->palette_code_bits_; + const int size = set->max_size; + const size_t total_size = HistogramSetTotalSize(size, cache_bits); + uint8_t* memory = (uint8_t*)set; + + memset(memory, 0, total_size); + memory += sizeof(*set); + set->histograms = (VP8LHistogram**)memory; + set->max_size = size; + set->size = size; + HistogramSetResetPointers(set, cache_bits); + for (i = 0; i < size; ++i) { + set->histograms[i]->palette_code_bits_ = cache_bits; + } +} + +// Removes the histogram 'i' from 'set' by setting it to NULL. +static void HistogramSetRemoveHistogram(VP8LHistogramSet* const set, int i, + int* const num_used) { + assert(set->histograms[i] != NULL); + set->histograms[i] = NULL; + --*num_used; + // If we remove the last valid one, shrink until the next valid one. + if (i == set->size - 1) { + while (set->size >= 1 && set->histograms[set->size - 1] == NULL) { + --set->size; + } + } +} + +// ----------------------------------------------------------------------------- + +void VP8LHistogramAddSinglePixOrCopy(VP8LHistogram* const histo, + const PixOrCopy* const v, + int (*const distance_modifier)(int, int), + int distance_modifier_arg0) { + if (PixOrCopyIsLiteral(v)) { + ++histo->alpha_[PixOrCopyLiteral(v, 3)]; + ++histo->red_[PixOrCopyLiteral(v, 2)]; + ++histo->literal_[PixOrCopyLiteral(v, 1)]; + ++histo->blue_[PixOrCopyLiteral(v, 0)]; + } else if (PixOrCopyIsCacheIdx(v)) { + const int literal_ix = + NUM_LITERAL_CODES + NUM_LENGTH_CODES + PixOrCopyCacheIdx(v); + assert(histo->palette_code_bits_ != 0); + ++histo->literal_[literal_ix]; + } else { + int code, extra_bits; + VP8LPrefixEncodeBits(PixOrCopyLength(v), &code, &extra_bits); + ++histo->literal_[NUM_LITERAL_CODES + code]; + if (distance_modifier == NULL) { + VP8LPrefixEncodeBits(PixOrCopyDistance(v), &code, &extra_bits); + } else { + VP8LPrefixEncodeBits( + distance_modifier(distance_modifier_arg0, PixOrCopyDistance(v)), + &code, &extra_bits); + } + ++histo->distance_[code]; + } +} + +// ----------------------------------------------------------------------------- +// Entropy-related functions. + +static WEBP_INLINE float BitsEntropyRefine(const VP8LBitEntropy* entropy) { + float mix; + if (entropy->nonzeros < 5) { + if (entropy->nonzeros <= 1) { + return 0; + } + // Two symbols, they will be 0 and 1 in a Huffman code. + // Let's mix in a bit of entropy to favor good clustering when + // distributions of these are combined. + if (entropy->nonzeros == 2) { + return 0.99f * entropy->sum + 0.01f * entropy->entropy; + } + // No matter what the entropy says, we cannot be better than min_limit + // with Huffman coding. I am mixing a bit of entropy into the + // min_limit since it produces much better (~0.5 %) compression results + // perhaps because of better entropy clustering. + if (entropy->nonzeros == 3) { + mix = 0.95f; + } else { + mix = 0.7f; // nonzeros == 4. + } + } else { + mix = 0.627f; + } + + { + float min_limit = 2.f * entropy->sum - entropy->max_val; + min_limit = mix * min_limit + (1.f - mix) * entropy->entropy; + return (entropy->entropy < min_limit) ? min_limit : entropy->entropy; + } +} + +float VP8LBitsEntropy(const uint32_t* const array, int n) { + VP8LBitEntropy entropy; + VP8LBitsEntropyUnrefined(array, n, &entropy); + + return BitsEntropyRefine(&entropy); +} + +static float InitialHuffmanCost(void) { + // Small bias because Huffman code length is typically not stored in + // full length. + static const int kHuffmanCodeOfHuffmanCodeSize = CODE_LENGTH_CODES * 3; + static const float kSmallBias = 9.1f; + return kHuffmanCodeOfHuffmanCodeSize - kSmallBias; +} + +// Finalize the Huffman cost based on streak numbers and length type (<3 or >=3) +static float FinalHuffmanCost(const VP8LStreaks* const stats) { + // The constants in this function are experimental and got rounded from + // their original values in 1/8 when switched to 1/1024. + float retval = InitialHuffmanCost(); + // Second coefficient: Many zeros in the histogram are covered efficiently + // by a run-length encode. Originally 2/8. + retval += stats->counts[0] * 1.5625f + 0.234375f * stats->streaks[0][1]; + // Second coefficient: Constant values are encoded less efficiently, but still + // RLE'ed. Originally 6/8. + retval += stats->counts[1] * 2.578125f + 0.703125f * stats->streaks[1][1]; + // 0s are usually encoded more efficiently than non-0s. + // Originally 15/8. + retval += 1.796875f * stats->streaks[0][0]; + // Originally 26/8. + retval += 3.28125f * stats->streaks[1][0]; + return retval; +} + +// Get the symbol entropy for the distribution 'population'. +// Set 'trivial_sym', if there's only one symbol present in the distribution. +static float PopulationCost(const uint32_t* const population, int length, + uint32_t* const trivial_sym, + uint8_t* const is_used) { + VP8LBitEntropy bit_entropy; + VP8LStreaks stats; + VP8LGetEntropyUnrefined(population, length, &bit_entropy, &stats); + if (trivial_sym != NULL) { + *trivial_sym = (bit_entropy.nonzeros == 1) ? bit_entropy.nonzero_code + : VP8L_NON_TRIVIAL_SYM; + } + // The histogram is used if there is at least one non-zero streak. + *is_used = (stats.streaks[1][0] != 0 || stats.streaks[1][1] != 0); + + return BitsEntropyRefine(&bit_entropy) + FinalHuffmanCost(&stats); +} + +// trivial_at_end is 1 if the two histograms only have one element that is +// non-zero: both the zero-th one, or both the last one. +static WEBP_INLINE float GetCombinedEntropy(const uint32_t* const X, + const uint32_t* const Y, int length, + int is_X_used, int is_Y_used, + int trivial_at_end) { + VP8LStreaks stats; + if (trivial_at_end) { + // This configuration is due to palettization that transforms an indexed + // pixel into 0xff000000 | (pixel << 8) in VP8LBundleColorMap. + // BitsEntropyRefine is 0 for histograms with only one non-zero value. + // Only FinalHuffmanCost needs to be evaluated. + memset(&stats, 0, sizeof(stats)); + // Deal with the non-zero value at index 0 or length-1. + stats.streaks[1][0] = 1; + // Deal with the following/previous zero streak. + stats.counts[0] = 1; + stats.streaks[0][1] = length - 1; + return FinalHuffmanCost(&stats); + } else { + VP8LBitEntropy bit_entropy; + if (is_X_used) { + if (is_Y_used) { + VP8LGetCombinedEntropyUnrefined(X, Y, length, &bit_entropy, &stats); + } else { + VP8LGetEntropyUnrefined(X, length, &bit_entropy, &stats); + } + } else { + if (is_Y_used) { + VP8LGetEntropyUnrefined(Y, length, &bit_entropy, &stats); + } else { + memset(&stats, 0, sizeof(stats)); + stats.counts[0] = 1; + stats.streaks[0][length > 3] = length; + VP8LBitEntropyInit(&bit_entropy); + } + } + + return BitsEntropyRefine(&bit_entropy) + FinalHuffmanCost(&stats); + } +} + +// Estimates the Entropy + Huffman + other block overhead size cost. +float VP8LHistogramEstimateBits(VP8LHistogram* const p) { + return + PopulationCost(p->literal_, VP8LHistogramNumCodes(p->palette_code_bits_), + NULL, &p->is_used_[0]) + + PopulationCost(p->red_, NUM_LITERAL_CODES, NULL, &p->is_used_[1]) + + PopulationCost(p->blue_, NUM_LITERAL_CODES, NULL, &p->is_used_[2]) + + PopulationCost(p->alpha_, NUM_LITERAL_CODES, NULL, &p->is_used_[3]) + + PopulationCost(p->distance_, NUM_DISTANCE_CODES, NULL, &p->is_used_[4]) + + VP8LExtraCost(p->literal_ + NUM_LITERAL_CODES, NUM_LENGTH_CODES) + + VP8LExtraCost(p->distance_, NUM_DISTANCE_CODES); +} + +// ----------------------------------------------------------------------------- +// Various histogram combine/cost-eval functions + +static int GetCombinedHistogramEntropy(const VP8LHistogram* const a, + const VP8LHistogram* const b, + float cost_threshold, float* cost) { + const int palette_code_bits = a->palette_code_bits_; + int trivial_at_end = 0; + assert(a->palette_code_bits_ == b->palette_code_bits_); + *cost += GetCombinedEntropy(a->literal_, b->literal_, + VP8LHistogramNumCodes(palette_code_bits), + a->is_used_[0], b->is_used_[0], 0); + *cost += VP8LExtraCostCombined(a->literal_ + NUM_LITERAL_CODES, + b->literal_ + NUM_LITERAL_CODES, + NUM_LENGTH_CODES); + if (*cost > cost_threshold) return 0; + + if (a->trivial_symbol_ != VP8L_NON_TRIVIAL_SYM && + a->trivial_symbol_ == b->trivial_symbol_) { + // A, R and B are all 0 or 0xff. + const uint32_t color_a = (a->trivial_symbol_ >> 24) & 0xff; + const uint32_t color_r = (a->trivial_symbol_ >> 16) & 0xff; + const uint32_t color_b = (a->trivial_symbol_ >> 0) & 0xff; + if ((color_a == 0 || color_a == 0xff) && + (color_r == 0 || color_r == 0xff) && + (color_b == 0 || color_b == 0xff)) { + trivial_at_end = 1; + } + } + + *cost += + GetCombinedEntropy(a->red_, b->red_, NUM_LITERAL_CODES, a->is_used_[1], + b->is_used_[1], trivial_at_end); + if (*cost > cost_threshold) return 0; + + *cost += + GetCombinedEntropy(a->blue_, b->blue_, NUM_LITERAL_CODES, a->is_used_[2], + b->is_used_[2], trivial_at_end); + if (*cost > cost_threshold) return 0; + + *cost += + GetCombinedEntropy(a->alpha_, b->alpha_, NUM_LITERAL_CODES, + a->is_used_[3], b->is_used_[3], trivial_at_end); + if (*cost > cost_threshold) return 0; + + *cost += + GetCombinedEntropy(a->distance_, b->distance_, NUM_DISTANCE_CODES, + a->is_used_[4], b->is_used_[4], 0); + *cost += + VP8LExtraCostCombined(a->distance_, b->distance_, NUM_DISTANCE_CODES); + if (*cost > cost_threshold) return 0; + + return 1; +} + +static WEBP_INLINE void HistogramAdd(const VP8LHistogram* const a, + const VP8LHistogram* const b, + VP8LHistogram* const out) { + VP8LHistogramAdd(a, b, out); + out->trivial_symbol_ = (a->trivial_symbol_ == b->trivial_symbol_) + ? a->trivial_symbol_ + : VP8L_NON_TRIVIAL_SYM; +} + +// Performs out = a + b, computing the cost C(a+b) - C(a) - C(b) while comparing +// to the threshold value 'cost_threshold'. The score returned is +// Score = C(a+b) - C(a) - C(b), where C(a) + C(b) is known and fixed. +// Since the previous score passed is 'cost_threshold', we only need to compare +// the partial cost against 'cost_threshold + C(a) + C(b)' to possibly bail-out +// early. +static float HistogramAddEval(const VP8LHistogram* const a, + const VP8LHistogram* const b, + VP8LHistogram* const out, float cost_threshold) { + float cost = 0; + const float sum_cost = a->bit_cost_ + b->bit_cost_; + cost_threshold += sum_cost; + + if (GetCombinedHistogramEntropy(a, b, cost_threshold, &cost)) { + HistogramAdd(a, b, out); + out->bit_cost_ = cost; + out->palette_code_bits_ = a->palette_code_bits_; + } + + return cost - sum_cost; +} + +// Same as HistogramAddEval(), except that the resulting histogram +// is not stored. Only the cost C(a+b) - C(a) is evaluated. We omit +// the term C(b) which is constant over all the evaluations. +static float HistogramAddThresh(const VP8LHistogram* const a, + const VP8LHistogram* const b, + float cost_threshold) { + float cost; + assert(a != NULL && b != NULL); + cost = -a->bit_cost_; + GetCombinedHistogramEntropy(a, b, cost_threshold, &cost); + return cost; +} + +// ----------------------------------------------------------------------------- + +// The structure to keep track of cost range for the three dominant entropy +// symbols. +typedef struct { + float literal_max_; + float literal_min_; + float red_max_; + float red_min_; + float blue_max_; + float blue_min_; +} DominantCostRange; + +static void DominantCostRangeInit(DominantCostRange* const c) { + c->literal_max_ = 0.; + c->literal_min_ = MAX_BIT_COST; + c->red_max_ = 0.; + c->red_min_ = MAX_BIT_COST; + c->blue_max_ = 0.; + c->blue_min_ = MAX_BIT_COST; +} + +static void UpdateDominantCostRange( + const VP8LHistogram* const h, DominantCostRange* const c) { + if (c->literal_max_ < h->literal_cost_) c->literal_max_ = h->literal_cost_; + if (c->literal_min_ > h->literal_cost_) c->literal_min_ = h->literal_cost_; + if (c->red_max_ < h->red_cost_) c->red_max_ = h->red_cost_; + if (c->red_min_ > h->red_cost_) c->red_min_ = h->red_cost_; + if (c->blue_max_ < h->blue_cost_) c->blue_max_ = h->blue_cost_; + if (c->blue_min_ > h->blue_cost_) c->blue_min_ = h->blue_cost_; +} + +static void UpdateHistogramCost(VP8LHistogram* const h) { + uint32_t alpha_sym, red_sym, blue_sym; + const float alpha_cost = + PopulationCost(h->alpha_, NUM_LITERAL_CODES, &alpha_sym, &h->is_used_[3]); + const float distance_cost = + PopulationCost(h->distance_, NUM_DISTANCE_CODES, NULL, &h->is_used_[4]) + + VP8LExtraCost(h->distance_, NUM_DISTANCE_CODES); + const int num_codes = VP8LHistogramNumCodes(h->palette_code_bits_); + h->literal_cost_ = + PopulationCost(h->literal_, num_codes, NULL, &h->is_used_[0]) + + VP8LExtraCost(h->literal_ + NUM_LITERAL_CODES, NUM_LENGTH_CODES); + h->red_cost_ = + PopulationCost(h->red_, NUM_LITERAL_CODES, &red_sym, &h->is_used_[1]); + h->blue_cost_ = + PopulationCost(h->blue_, NUM_LITERAL_CODES, &blue_sym, &h->is_used_[2]); + h->bit_cost_ = h->literal_cost_ + h->red_cost_ + h->blue_cost_ + + alpha_cost + distance_cost; + if ((alpha_sym | red_sym | blue_sym) == VP8L_NON_TRIVIAL_SYM) { + h->trivial_symbol_ = VP8L_NON_TRIVIAL_SYM; + } else { + h->trivial_symbol_ = + ((uint32_t)alpha_sym << 24) | (red_sym << 16) | (blue_sym << 0); + } +} + +static int GetBinIdForEntropy(float min, float max, float val) { + const float range = max - min; + if (range > 0.) { + const float delta = val - min; + return (int)((NUM_PARTITIONS - 1e-6) * delta / range); + } else { + return 0; + } +} + +static int GetHistoBinIndex(const VP8LHistogram* const h, + const DominantCostRange* const c, int low_effort) { + int bin_id = GetBinIdForEntropy(c->literal_min_, c->literal_max_, + h->literal_cost_); + assert(bin_id < NUM_PARTITIONS); + if (!low_effort) { + bin_id = bin_id * NUM_PARTITIONS + + GetBinIdForEntropy(c->red_min_, c->red_max_, h->red_cost_); + bin_id = bin_id * NUM_PARTITIONS + + GetBinIdForEntropy(c->blue_min_, c->blue_max_, h->blue_cost_); + assert(bin_id < BIN_SIZE); + } + return bin_id; +} + +// Construct the histograms from backward references. +static void HistogramBuild( + int xsize, int histo_bits, const VP8LBackwardRefs* const backward_refs, + VP8LHistogramSet* const image_histo) { + int x = 0, y = 0; + const int histo_xsize = VP8LSubSampleSize(xsize, histo_bits); + VP8LHistogram** const histograms = image_histo->histograms; + VP8LRefsCursor c = VP8LRefsCursorInit(backward_refs); + assert(histo_bits > 0); + VP8LHistogramSetClear(image_histo); + while (VP8LRefsCursorOk(&c)) { + const PixOrCopy* const v = c.cur_pos; + const int ix = (y >> histo_bits) * histo_xsize + (x >> histo_bits); + VP8LHistogramAddSinglePixOrCopy(histograms[ix], v, NULL, 0); + x += PixOrCopyLength(v); + while (x >= xsize) { + x -= xsize; + ++y; + } + VP8LRefsCursorNext(&c); + } +} + +// Copies the histograms and computes its bit_cost. +static const uint16_t kInvalidHistogramSymbol = (uint16_t)(-1); +static void HistogramCopyAndAnalyze(VP8LHistogramSet* const orig_histo, + VP8LHistogramSet* const image_histo, + int* const num_used, + uint16_t* const histogram_symbols) { + int i, cluster_id; + int num_used_orig = *num_used; + VP8LHistogram** const orig_histograms = orig_histo->histograms; + VP8LHistogram** const histograms = image_histo->histograms; + assert(image_histo->max_size == orig_histo->max_size); + for (cluster_id = 0, i = 0; i < orig_histo->max_size; ++i) { + VP8LHistogram* const histo = orig_histograms[i]; + UpdateHistogramCost(histo); + + // Skip the histogram if it is completely empty, which can happen for tiles + // with no information (when they are skipped because of LZ77). + if (!histo->is_used_[0] && !histo->is_used_[1] && !histo->is_used_[2] + && !histo->is_used_[3] && !histo->is_used_[4]) { + // The first histogram is always used. If an histogram is empty, we set + // its id to be the same as the previous one: this will improve + // compressibility for later LZ77. + assert(i > 0); + HistogramSetRemoveHistogram(image_histo, i, num_used); + HistogramSetRemoveHistogram(orig_histo, i, &num_used_orig); + histogram_symbols[i] = kInvalidHistogramSymbol; + } else { + // Copy histograms from orig_histo[] to image_histo[]. + HistogramCopy(histo, histograms[i]); + histogram_symbols[i] = cluster_id++; + assert(cluster_id <= image_histo->max_size); + } + } +} + +// Partition histograms to different entropy bins for three dominant (literal, +// red and blue) symbol costs and compute the histogram aggregate bit_cost. +static void HistogramAnalyzeEntropyBin(VP8LHistogramSet* const image_histo, + uint16_t* const bin_map, + int low_effort) { + int i; + VP8LHistogram** const histograms = image_histo->histograms; + const int histo_size = image_histo->size; + DominantCostRange cost_range; + DominantCostRangeInit(&cost_range); + + // Analyze the dominant (literal, red and blue) entropy costs. + for (i = 0; i < histo_size; ++i) { + if (histograms[i] == NULL) continue; + UpdateDominantCostRange(histograms[i], &cost_range); + } + + // bin-hash histograms on three of the dominant (literal, red and blue) + // symbol costs and store the resulting bin_id for each histogram. + for (i = 0; i < histo_size; ++i) { + // bin_map[i] is not set to a special value as its use will later be guarded + // by another (histograms[i] == NULL). + if (histograms[i] == NULL) continue; + bin_map[i] = GetHistoBinIndex(histograms[i], &cost_range, low_effort); + } +} + +// Merges some histograms with same bin_id together if it's advantageous. +// Sets the remaining histograms to NULL. +static void HistogramCombineEntropyBin( + VP8LHistogramSet* const image_histo, int* num_used, + const uint16_t* const clusters, uint16_t* const cluster_mappings, + VP8LHistogram* cur_combo, const uint16_t* const bin_map, int num_bins, + float combine_cost_factor, int low_effort) { + VP8LHistogram** const histograms = image_histo->histograms; + int idx; + struct { + int16_t first; // position of the histogram that accumulates all + // histograms with the same bin_id + uint16_t num_combine_failures; // number of combine failures per bin_id + } bin_info[BIN_SIZE]; + + assert(num_bins <= BIN_SIZE); + for (idx = 0; idx < num_bins; ++idx) { + bin_info[idx].first = -1; + bin_info[idx].num_combine_failures = 0; + } + + // By default, a cluster matches itself. + for (idx = 0; idx < *num_used; ++idx) cluster_mappings[idx] = idx; + for (idx = 0; idx < image_histo->size; ++idx) { + int bin_id, first; + if (histograms[idx] == NULL) continue; + bin_id = bin_map[idx]; + first = bin_info[bin_id].first; + if (first == -1) { + bin_info[bin_id].first = idx; + } else if (low_effort) { + HistogramAdd(histograms[idx], histograms[first], histograms[first]); + HistogramSetRemoveHistogram(image_histo, idx, num_used); + cluster_mappings[clusters[idx]] = clusters[first]; + } else { + // try to merge #idx into #first (both share the same bin_id) + const float bit_cost = histograms[idx]->bit_cost_; + const float bit_cost_thresh = -bit_cost * combine_cost_factor; + const float curr_cost_diff = HistogramAddEval( + histograms[first], histograms[idx], cur_combo, bit_cost_thresh); + if (curr_cost_diff < bit_cost_thresh) { + // Try to merge two histograms only if the combo is a trivial one or + // the two candidate histograms are already non-trivial. + // For some images, 'try_combine' turns out to be false for a lot of + // histogram pairs. In that case, we fallback to combining + // histograms as usual to avoid increasing the header size. + const int try_combine = + (cur_combo->trivial_symbol_ != VP8L_NON_TRIVIAL_SYM) || + ((histograms[idx]->trivial_symbol_ == VP8L_NON_TRIVIAL_SYM) && + (histograms[first]->trivial_symbol_ == VP8L_NON_TRIVIAL_SYM)); + const int max_combine_failures = 32; + if (try_combine || + bin_info[bin_id].num_combine_failures >= max_combine_failures) { + // move the (better) merged histogram to its final slot + HistogramSwap(&cur_combo, &histograms[first]); + HistogramSetRemoveHistogram(image_histo, idx, num_used); + cluster_mappings[clusters[idx]] = clusters[first]; + } else { + ++bin_info[bin_id].num_combine_failures; + } + } + } + } + if (low_effort) { + // for low_effort case, update the final cost when everything is merged + for (idx = 0; idx < image_histo->size; ++idx) { + if (histograms[idx] == NULL) continue; + UpdateHistogramCost(histograms[idx]); + } + } +} + +// Implement a Lehmer random number generator with a multiplicative constant of +// 48271 and a modulo constant of 2^31 - 1. +static uint32_t MyRand(uint32_t* const seed) { + *seed = (uint32_t)(((uint64_t)(*seed) * 48271u) % 2147483647u); + assert(*seed > 0); + return *seed; +} + +// ----------------------------------------------------------------------------- +// Histogram pairs priority queue + +// Pair of histograms. Negative idx1 value means that pair is out-of-date. +typedef struct { + int idx1; + int idx2; + float cost_diff; + float cost_combo; +} HistogramPair; + +typedef struct { + HistogramPair* queue; + int size; + int max_size; +} HistoQueue; + +static int HistoQueueInit(HistoQueue* const histo_queue, const int max_size) { + histo_queue->size = 0; + histo_queue->max_size = max_size; + // We allocate max_size + 1 because the last element at index "size" is + // used as temporary data (and it could be up to max_size). + histo_queue->queue = (HistogramPair*)WebPSafeMalloc( + histo_queue->max_size + 1, sizeof(*histo_queue->queue)); + return histo_queue->queue != NULL; +} + +static void HistoQueueClear(HistoQueue* const histo_queue) { + assert(histo_queue != NULL); + WebPSafeFree(histo_queue->queue); + histo_queue->size = 0; + histo_queue->max_size = 0; +} + +// Pop a specific pair in the queue by replacing it with the last one +// and shrinking the queue. +static void HistoQueuePopPair(HistoQueue* const histo_queue, + HistogramPair* const pair) { + assert(pair >= histo_queue->queue && + pair < (histo_queue->queue + histo_queue->size)); + assert(histo_queue->size > 0); + *pair = histo_queue->queue[histo_queue->size - 1]; + --histo_queue->size; +} + +// Check whether a pair in the queue should be updated as head or not. +static void HistoQueueUpdateHead(HistoQueue* const histo_queue, + HistogramPair* const pair) { + assert(pair->cost_diff < 0.); + assert(pair >= histo_queue->queue && + pair < (histo_queue->queue + histo_queue->size)); + assert(histo_queue->size > 0); + if (pair->cost_diff < histo_queue->queue[0].cost_diff) { + // Replace the best pair. + const HistogramPair tmp = histo_queue->queue[0]; + histo_queue->queue[0] = *pair; + *pair = tmp; + } +} + +// Update the cost diff and combo of a pair of histograms. This needs to be +// called when the the histograms have been merged with a third one. +static void HistoQueueUpdatePair(const VP8LHistogram* const h1, + const VP8LHistogram* const h2, float threshold, + HistogramPair* const pair) { + const float sum_cost = h1->bit_cost_ + h2->bit_cost_; + pair->cost_combo = 0.; + GetCombinedHistogramEntropy(h1, h2, sum_cost + threshold, &pair->cost_combo); + pair->cost_diff = pair->cost_combo - sum_cost; +} + +// Create a pair from indices "idx1" and "idx2" provided its cost +// is inferior to "threshold", a negative entropy. +// It returns the cost of the pair, or 0. if it superior to threshold. +static float HistoQueuePush(HistoQueue* const histo_queue, + VP8LHistogram** const histograms, int idx1, + int idx2, float threshold) { + const VP8LHistogram* h1; + const VP8LHistogram* h2; + HistogramPair pair; + + // Stop here if the queue is full. + if (histo_queue->size == histo_queue->max_size) return 0.; + assert(threshold <= 0.); + if (idx1 > idx2) { + const int tmp = idx2; + idx2 = idx1; + idx1 = tmp; + } + pair.idx1 = idx1; + pair.idx2 = idx2; + h1 = histograms[idx1]; + h2 = histograms[idx2]; + + HistoQueueUpdatePair(h1, h2, threshold, &pair); + + // Do not even consider the pair if it does not improve the entropy. + if (pair.cost_diff >= threshold) return 0.; + + histo_queue->queue[histo_queue->size++] = pair; + HistoQueueUpdateHead(histo_queue, &histo_queue->queue[histo_queue->size - 1]); + + return pair.cost_diff; +} + +// ----------------------------------------------------------------------------- + +// Combines histograms by continuously choosing the one with the highest cost +// reduction. +static int HistogramCombineGreedy(VP8LHistogramSet* const image_histo, + int* const num_used) { + int ok = 0; + const int image_histo_size = image_histo->size; + int i, j; + VP8LHistogram** const histograms = image_histo->histograms; + // Priority queue of histogram pairs. + HistoQueue histo_queue; + + // image_histo_size^2 for the queue size is safe. If you look at + // HistogramCombineGreedy, and imagine that UpdateQueueFront always pushes + // data to the queue, you insert at most: + // - image_histo_size*(image_histo_size-1)/2 (the first two for loops) + // - image_histo_size - 1 in the last for loop at the first iteration of + // the while loop, image_histo_size - 2 at the second iteration ... + // therefore image_histo_size*(image_histo_size-1)/2 overall too + if (!HistoQueueInit(&histo_queue, image_histo_size * image_histo_size)) { + goto End; + } + + for (i = 0; i < image_histo_size; ++i) { + if (image_histo->histograms[i] == NULL) continue; + for (j = i + 1; j < image_histo_size; ++j) { + // Initialize queue. + if (image_histo->histograms[j] == NULL) continue; + HistoQueuePush(&histo_queue, histograms, i, j, 0.); + } + } + + while (histo_queue.size > 0) { + const int idx1 = histo_queue.queue[0].idx1; + const int idx2 = histo_queue.queue[0].idx2; + HistogramAdd(histograms[idx2], histograms[idx1], histograms[idx1]); + histograms[idx1]->bit_cost_ = histo_queue.queue[0].cost_combo; + + // Remove merged histogram. + HistogramSetRemoveHistogram(image_histo, idx2, num_used); + + // Remove pairs intersecting the just combined best pair. + for (i = 0; i < histo_queue.size;) { + HistogramPair* const p = histo_queue.queue + i; + if (p->idx1 == idx1 || p->idx2 == idx1 || + p->idx1 == idx2 || p->idx2 == idx2) { + HistoQueuePopPair(&histo_queue, p); + } else { + HistoQueueUpdateHead(&histo_queue, p); + ++i; + } + } + + // Push new pairs formed with combined histogram to the queue. + for (i = 0; i < image_histo->size; ++i) { + if (i == idx1 || image_histo->histograms[i] == NULL) continue; + HistoQueuePush(&histo_queue, image_histo->histograms, idx1, i, 0.); + } + } + + ok = 1; + + End: + HistoQueueClear(&histo_queue); + return ok; +} + +// Perform histogram aggregation using a stochastic approach. +// 'do_greedy' is set to 1 if a greedy approach needs to be performed +// afterwards, 0 otherwise. +static int PairComparison(const void* idx1, const void* idx2) { + // To be used with bsearch: <0 when *idx1<*idx2, >0 if >, 0 when ==. + return (*(int*) idx1 - *(int*) idx2); +} +static int HistogramCombineStochastic(VP8LHistogramSet* const image_histo, + int* const num_used, int min_cluster_size, + int* const do_greedy) { + int j, iter; + uint32_t seed = 1; + int tries_with_no_success = 0; + const int outer_iters = *num_used; + const int num_tries_no_success = outer_iters / 2; + VP8LHistogram** const histograms = image_histo->histograms; + // Priority queue of histogram pairs. Its size of 'kHistoQueueSize' + // impacts the quality of the compression and the speed: the smaller the + // faster but the worse for the compression. + HistoQueue histo_queue; + const int kHistoQueueSize = 9; + int ok = 0; + // mapping from an index in image_histo with no NULL histogram to the full + // blown image_histo. + int* mappings; + + if (*num_used < min_cluster_size) { + *do_greedy = 1; + return 1; + } + + mappings = (int*) WebPSafeMalloc(*num_used, sizeof(*mappings)); + if (mappings == NULL) return 0; + if (!HistoQueueInit(&histo_queue, kHistoQueueSize)) goto End; + // Fill the initial mapping. + for (j = 0, iter = 0; iter < image_histo->size; ++iter) { + if (histograms[iter] == NULL) continue; + mappings[j++] = iter; + } + assert(j == *num_used); + + // Collapse similar histograms in 'image_histo'. + for (iter = 0; + iter < outer_iters && *num_used >= min_cluster_size && + ++tries_with_no_success < num_tries_no_success; + ++iter) { + int* mapping_index; + float best_cost = + (histo_queue.size == 0) ? 0.f : histo_queue.queue[0].cost_diff; + int best_idx1 = -1, best_idx2 = 1; + const uint32_t rand_range = (*num_used - 1) * (*num_used); + // (*num_used) / 2 was chosen empirically. Less means faster but worse + // compression. + const int num_tries = (*num_used) / 2; + + // Pick random samples. + for (j = 0; *num_used >= 2 && j < num_tries; ++j) { + float curr_cost; + // Choose two different histograms at random and try to combine them. + const uint32_t tmp = MyRand(&seed) % rand_range; + uint32_t idx1 = tmp / (*num_used - 1); + uint32_t idx2 = tmp % (*num_used - 1); + if (idx2 >= idx1) ++idx2; + idx1 = mappings[idx1]; + idx2 = mappings[idx2]; + + // Calculate cost reduction on combination. + curr_cost = + HistoQueuePush(&histo_queue, histograms, idx1, idx2, best_cost); + if (curr_cost < 0) { // found a better pair? + best_cost = curr_cost; + // Empty the queue if we reached full capacity. + if (histo_queue.size == histo_queue.max_size) break; + } + } + if (histo_queue.size == 0) continue; + + // Get the best histograms. + best_idx1 = histo_queue.queue[0].idx1; + best_idx2 = histo_queue.queue[0].idx2; + assert(best_idx1 < best_idx2); + // Pop best_idx2 from mappings. + mapping_index = (int*) bsearch(&best_idx2, mappings, *num_used, + sizeof(best_idx2), &PairComparison); + assert(mapping_index != NULL); + memmove(mapping_index, mapping_index + 1, sizeof(*mapping_index) * + ((*num_used) - (mapping_index - mappings) - 1)); + // Merge the histograms and remove best_idx2 from the queue. + HistogramAdd(histograms[best_idx2], histograms[best_idx1], + histograms[best_idx1]); + histograms[best_idx1]->bit_cost_ = histo_queue.queue[0].cost_combo; + HistogramSetRemoveHistogram(image_histo, best_idx2, num_used); + // Parse the queue and update each pair that deals with best_idx1, + // best_idx2 or image_histo_size. + for (j = 0; j < histo_queue.size;) { + HistogramPair* const p = histo_queue.queue + j; + const int is_idx1_best = p->idx1 == best_idx1 || p->idx1 == best_idx2; + const int is_idx2_best = p->idx2 == best_idx1 || p->idx2 == best_idx2; + int do_eval = 0; + // The front pair could have been duplicated by a random pick so + // check for it all the time nevertheless. + if (is_idx1_best && is_idx2_best) { + HistoQueuePopPair(&histo_queue, p); + continue; + } + // Any pair containing one of the two best indices should only refer to + // best_idx1. Its cost should also be updated. + if (is_idx1_best) { + p->idx1 = best_idx1; + do_eval = 1; + } else if (is_idx2_best) { + p->idx2 = best_idx1; + do_eval = 1; + } + // Make sure the index order is respected. + if (p->idx1 > p->idx2) { + const int tmp = p->idx2; + p->idx2 = p->idx1; + p->idx1 = tmp; + } + if (do_eval) { + // Re-evaluate the cost of an updated pair. + HistoQueueUpdatePair(histograms[p->idx1], histograms[p->idx2], 0., p); + if (p->cost_diff >= 0.) { + HistoQueuePopPair(&histo_queue, p); + continue; + } + } + HistoQueueUpdateHead(&histo_queue, p); + ++j; + } + tries_with_no_success = 0; + } + *do_greedy = (*num_used <= min_cluster_size); + ok = 1; + + End: + HistoQueueClear(&histo_queue); + WebPSafeFree(mappings); + return ok; +} + +// ----------------------------------------------------------------------------- +// Histogram refinement + +// Find the best 'out' histogram for each of the 'in' histograms. +// At call-time, 'out' contains the histograms of the clusters. +// Note: we assume that out[]->bit_cost_ is already up-to-date. +static void HistogramRemap(const VP8LHistogramSet* const in, + VP8LHistogramSet* const out, + uint16_t* const symbols) { + int i; + VP8LHistogram** const in_histo = in->histograms; + VP8LHistogram** const out_histo = out->histograms; + const int in_size = out->max_size; + const int out_size = out->size; + if (out_size > 1) { + for (i = 0; i < in_size; ++i) { + int best_out = 0; + float best_bits = MAX_BIT_COST; + int k; + if (in_histo[i] == NULL) { + // Arbitrarily set to the previous value if unused to help future LZ77. + symbols[i] = symbols[i - 1]; + continue; + } + for (k = 0; k < out_size; ++k) { + float cur_bits; + cur_bits = HistogramAddThresh(out_histo[k], in_histo[i], best_bits); + if (k == 0 || cur_bits < best_bits) { + best_bits = cur_bits; + best_out = k; + } + } + symbols[i] = best_out; + } + } else { + assert(out_size == 1); + for (i = 0; i < in_size; ++i) { + symbols[i] = 0; + } + } + + // Recompute each out based on raw and symbols. + VP8LHistogramSetClear(out); + out->size = out_size; + + for (i = 0; i < in_size; ++i) { + int idx; + if (in_histo[i] == NULL) continue; + idx = symbols[i]; + HistogramAdd(in_histo[i], out_histo[idx], out_histo[idx]); + } +} + +static float GetCombineCostFactor(int histo_size, int quality) { + float combine_cost_factor = 0.16f; + if (quality < 90) { + if (histo_size > 256) combine_cost_factor /= 2.f; + if (histo_size > 512) combine_cost_factor /= 2.f; + if (histo_size > 1024) combine_cost_factor /= 2.f; + if (quality <= 50) combine_cost_factor /= 2.f; + } + return combine_cost_factor; +} + +// Given a HistogramSet 'set', the mapping of clusters 'cluster_mapping' and the +// current assignment of the cells in 'symbols', merge the clusters and +// assign the smallest possible clusters values. +static void OptimizeHistogramSymbols(const VP8LHistogramSet* const set, + uint16_t* const cluster_mappings, + int num_clusters, + uint16_t* const cluster_mappings_tmp, + uint16_t* const symbols) { + int i, cluster_max; + int do_continue = 1; + // First, assign the lowest cluster to each pixel. + while (do_continue) { + do_continue = 0; + for (i = 0; i < num_clusters; ++i) { + int k; + k = cluster_mappings[i]; + while (k != cluster_mappings[k]) { + cluster_mappings[k] = cluster_mappings[cluster_mappings[k]]; + k = cluster_mappings[k]; + } + if (k != cluster_mappings[i]) { + do_continue = 1; + cluster_mappings[i] = k; + } + } + } + // Create a mapping from a cluster id to its minimal version. + cluster_max = 0; + memset(cluster_mappings_tmp, 0, + set->max_size * sizeof(*cluster_mappings_tmp)); + assert(cluster_mappings[0] == 0); + // Re-map the ids. + for (i = 0; i < set->max_size; ++i) { + int cluster; + if (symbols[i] == kInvalidHistogramSymbol) continue; + cluster = cluster_mappings[symbols[i]]; + assert(symbols[i] < num_clusters); + if (cluster > 0 && cluster_mappings_tmp[cluster] == 0) { + ++cluster_max; + cluster_mappings_tmp[cluster] = cluster_max; + } + symbols[i] = cluster_mappings_tmp[cluster]; + } + + // Make sure all cluster values are used. + cluster_max = 0; + for (i = 0; i < set->max_size; ++i) { + if (symbols[i] == kInvalidHistogramSymbol) continue; + if (symbols[i] <= cluster_max) continue; + ++cluster_max; + assert(symbols[i] == cluster_max); + } +} + +static void RemoveEmptyHistograms(VP8LHistogramSet* const image_histo) { + uint32_t size; + int i; + for (i = 0, size = 0; i < image_histo->size; ++i) { + if (image_histo->histograms[i] == NULL) continue; + image_histo->histograms[size++] = image_histo->histograms[i]; + } + image_histo->size = size; +} + +int VP8LGetHistoImageSymbols(int xsize, int ysize, + const VP8LBackwardRefs* const refs, int quality, + int low_effort, int histogram_bits, int cache_bits, + VP8LHistogramSet* const image_histo, + VP8LHistogram* const tmp_histo, + uint16_t* const histogram_symbols, + const WebPPicture* const pic, int percent_range, + int* const percent) { + const int histo_xsize = + histogram_bits ? VP8LSubSampleSize(xsize, histogram_bits) : 1; + const int histo_ysize = + histogram_bits ? VP8LSubSampleSize(ysize, histogram_bits) : 1; + const int image_histo_raw_size = histo_xsize * histo_ysize; + VP8LHistogramSet* const orig_histo = + VP8LAllocateHistogramSet(image_histo_raw_size, cache_bits); + // Don't attempt linear bin-partition heuristic for + // histograms of small sizes (as bin_map will be very sparse) and + // maximum quality q==100 (to preserve the compression gains at that level). + const int entropy_combine_num_bins = low_effort ? NUM_PARTITIONS : BIN_SIZE; + int entropy_combine; + uint16_t* const map_tmp = + WebPSafeMalloc(2 * image_histo_raw_size, sizeof(map_tmp)); + uint16_t* const cluster_mappings = map_tmp + image_histo_raw_size; + int num_used = image_histo_raw_size; + if (orig_histo == NULL || map_tmp == NULL) { + WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + + // Construct the histograms from backward references. + HistogramBuild(xsize, histogram_bits, refs, orig_histo); + // Copies the histograms and computes its bit_cost. + // histogram_symbols is optimized + HistogramCopyAndAnalyze(orig_histo, image_histo, &num_used, + histogram_symbols); + + entropy_combine = + (num_used > entropy_combine_num_bins * 2) && (quality < 100); + + if (entropy_combine) { + uint16_t* const bin_map = map_tmp; + const float combine_cost_factor = + GetCombineCostFactor(image_histo_raw_size, quality); + const uint32_t num_clusters = num_used; + + HistogramAnalyzeEntropyBin(image_histo, bin_map, low_effort); + // Collapse histograms with similar entropy. + HistogramCombineEntropyBin( + image_histo, &num_used, histogram_symbols, cluster_mappings, tmp_histo, + bin_map, entropy_combine_num_bins, combine_cost_factor, low_effort); + OptimizeHistogramSymbols(image_histo, cluster_mappings, num_clusters, + map_tmp, histogram_symbols); + } + + // Don't combine the histograms using stochastic and greedy heuristics for + // low-effort compression mode. + if (!low_effort || !entropy_combine) { + const float x = quality / 100.f; + // cubic ramp between 1 and MAX_HISTO_GREEDY: + const int threshold_size = (int)(1 + (x * x * x) * (MAX_HISTO_GREEDY - 1)); + int do_greedy; + if (!HistogramCombineStochastic(image_histo, &num_used, threshold_size, + &do_greedy)) { + WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + if (do_greedy) { + RemoveEmptyHistograms(image_histo); + if (!HistogramCombineGreedy(image_histo, &num_used)) { + WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + } + } + + // Find the optimal map from original histograms to the final ones. + RemoveEmptyHistograms(image_histo); + HistogramRemap(orig_histo, image_histo, histogram_symbols); + + if (!WebPReportProgress(pic, *percent + percent_range, percent)) { + goto Error; + } + + Error: + VP8LFreeHistogramSet(orig_histo); + WebPSafeFree(map_tmp); + return (pic->error_code == VP8_ENC_OK); +} diff --git a/ProductApp/Pods/libwebp/src/enc/histogram_enc.h b/ProductApp/Pods/libwebp/src/enc/histogram_enc.h new file mode 100644 index 0000000..4c0bb97 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/histogram_enc.h @@ -0,0 +1,130 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Author: Jyrki Alakuijala (jyrki@google.com) +// +// Models the histograms of literal and distance codes. + +#ifndef WEBP_ENC_HISTOGRAM_ENC_H_ +#define WEBP_ENC_HISTOGRAM_ENC_H_ + +#include + +#include "src/enc/backward_references_enc.h" +#include "src/webp/format_constants.h" +#include "src/webp/types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// Not a trivial literal symbol. +#define VP8L_NON_TRIVIAL_SYM (0xffffffff) + +// A simple container for histograms of data. +typedef struct { + // literal_ contains green literal, palette-code and + // copy-length-prefix histogram + uint32_t* literal_; // Pointer to the allocated buffer for literal. + uint32_t red_[NUM_LITERAL_CODES]; + uint32_t blue_[NUM_LITERAL_CODES]; + uint32_t alpha_[NUM_LITERAL_CODES]; + // Backward reference prefix-code histogram. + uint32_t distance_[NUM_DISTANCE_CODES]; + int palette_code_bits_; + uint32_t trivial_symbol_; // True, if histograms for Red, Blue & Alpha + // literal symbols are single valued. + float bit_cost_; // cached value of bit cost. + float literal_cost_; // Cached values of dominant entropy costs: + float red_cost_; // literal, red & blue. + float blue_cost_; + uint8_t is_used_[5]; // 5 for literal, red, blue, alpha, distance +} VP8LHistogram; + +// Collection of histograms with fixed capacity, allocated as one +// big memory chunk. Can be destroyed by calling WebPSafeFree(). +typedef struct { + int size; // number of slots currently in use + int max_size; // maximum capacity + VP8LHistogram** histograms; +} VP8LHistogramSet; + +// Create the histogram. +// +// The input data is the PixOrCopy data, which models the literals, stop +// codes and backward references (both distances and lengths). Also: if +// palette_code_bits is >= 0, initialize the histogram with this value. +void VP8LHistogramCreate(VP8LHistogram* const p, + const VP8LBackwardRefs* const refs, + int palette_code_bits); + +// Return the size of the histogram for a given cache_bits. +int VP8LGetHistogramSize(int cache_bits); + +// Set the palette_code_bits and reset the stats. +// If init_arrays is true, the arrays are also filled with 0's. +void VP8LHistogramInit(VP8LHistogram* const p, int palette_code_bits, + int init_arrays); + +// Collect all the references into a histogram (without reset) +void VP8LHistogramStoreRefs(const VP8LBackwardRefs* const refs, + VP8LHistogram* const histo); + +// Free the memory allocated for the histogram. +void VP8LFreeHistogram(VP8LHistogram* const histo); + +// Free the memory allocated for the histogram set. +void VP8LFreeHistogramSet(VP8LHistogramSet* const histo); + +// Allocate an array of pointer to histograms, allocated and initialized +// using 'cache_bits'. Return NULL in case of memory error. +VP8LHistogramSet* VP8LAllocateHistogramSet(int size, int cache_bits); + +// Set the histograms in set to 0. +void VP8LHistogramSetClear(VP8LHistogramSet* const set); + +// Allocate and initialize histogram object with specified 'cache_bits'. +// Returns NULL in case of memory error. +// Special case of VP8LAllocateHistogramSet, with size equals 1. +VP8LHistogram* VP8LAllocateHistogram(int cache_bits); + +// Accumulate a token 'v' into a histogram. +void VP8LHistogramAddSinglePixOrCopy(VP8LHistogram* const histo, + const PixOrCopy* const v, + int (*const distance_modifier)(int, int), + int distance_modifier_arg0); + +static WEBP_INLINE int VP8LHistogramNumCodes(int palette_code_bits) { + return NUM_LITERAL_CODES + NUM_LENGTH_CODES + + ((palette_code_bits > 0) ? (1 << palette_code_bits) : 0); +} + +// Builds the histogram image. pic and percent are for progress. +// Returns false in case of error (stored in pic->error_code). +int VP8LGetHistoImageSymbols(int xsize, int ysize, + const VP8LBackwardRefs* const refs, int quality, + int low_effort, int histogram_bits, int cache_bits, + VP8LHistogramSet* const image_histo, + VP8LHistogram* const tmp_histo, + uint16_t* const histogram_symbols, + const WebPPicture* const pic, int percent_range, + int* const percent); + +// Returns the entropy for the symbols in the input array. +float VP8LBitsEntropy(const uint32_t* const array, int n); + +// Estimate how many bits the combined entropy of literals and distance +// approximately maps to. +float VP8LHistogramEstimateBits(VP8LHistogram* const p); + +#ifdef __cplusplus +} +#endif + +#endif // WEBP_ENC_HISTOGRAM_ENC_H_ diff --git a/ProductApp/Pods/libwebp/src/enc/iterator_enc.c b/ProductApp/Pods/libwebp/src/enc/iterator_enc.c new file mode 100644 index 0000000..29f91d8 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/iterator_enc.c @@ -0,0 +1,459 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// VP8Iterator: block iterator +// +// Author: Skal (pascal.massimino@gmail.com) + +#include + +#include "src/enc/vp8i_enc.h" + +//------------------------------------------------------------------------------ +// VP8Iterator +//------------------------------------------------------------------------------ + +static void InitLeft(VP8EncIterator* const it) { + it->y_left_[-1] = it->u_left_[-1] = it->v_left_[-1] = + (it->y_ > 0) ? 129 : 127; + memset(it->y_left_, 129, 16); + memset(it->u_left_, 129, 8); + memset(it->v_left_, 129, 8); + it->left_nz_[8] = 0; + if (it->top_derr_ != NULL) { + memset(&it->left_derr_, 0, sizeof(it->left_derr_)); + } +} + +static void InitTop(VP8EncIterator* const it) { + const VP8Encoder* const enc = it->enc_; + const size_t top_size = enc->mb_w_ * 16; + memset(enc->y_top_, 127, 2 * top_size); + memset(enc->nz_, 0, enc->mb_w_ * sizeof(*enc->nz_)); + if (enc->top_derr_ != NULL) { + memset(enc->top_derr_, 0, enc->mb_w_ * sizeof(*enc->top_derr_)); + } +} + +void VP8IteratorSetRow(VP8EncIterator* const it, int y) { + VP8Encoder* const enc = it->enc_; + it->x_ = 0; + it->y_ = y; + it->bw_ = &enc->parts_[y & (enc->num_parts_ - 1)]; + it->preds_ = enc->preds_ + y * 4 * enc->preds_w_; + it->nz_ = enc->nz_; + it->mb_ = enc->mb_info_ + y * enc->mb_w_; + it->y_top_ = enc->y_top_; + it->uv_top_ = enc->uv_top_; + InitLeft(it); +} + +void VP8IteratorReset(VP8EncIterator* const it) { + VP8Encoder* const enc = it->enc_; + VP8IteratorSetRow(it, 0); + VP8IteratorSetCountDown(it, enc->mb_w_ * enc->mb_h_); // default + InitTop(it); + memset(it->bit_count_, 0, sizeof(it->bit_count_)); + it->do_trellis_ = 0; +} + +void VP8IteratorSetCountDown(VP8EncIterator* const it, int count_down) { + it->count_down_ = it->count_down0_ = count_down; +} + +int VP8IteratorIsDone(const VP8EncIterator* const it) { + return (it->count_down_ <= 0); +} + +void VP8IteratorInit(VP8Encoder* const enc, VP8EncIterator* const it) { + it->enc_ = enc; + it->yuv_in_ = (uint8_t*)WEBP_ALIGN(it->yuv_mem_); + it->yuv_out_ = it->yuv_in_ + YUV_SIZE_ENC; + it->yuv_out2_ = it->yuv_out_ + YUV_SIZE_ENC; + it->yuv_p_ = it->yuv_out2_ + YUV_SIZE_ENC; + it->lf_stats_ = enc->lf_stats_; + it->percent0_ = enc->percent_; + it->y_left_ = (uint8_t*)WEBP_ALIGN(it->yuv_left_mem_ + 1); + it->u_left_ = it->y_left_ + 16 + 16; + it->v_left_ = it->u_left_ + 16; + it->top_derr_ = enc->top_derr_; + VP8IteratorReset(it); +} + +int VP8IteratorProgress(const VP8EncIterator* const it, int delta) { + VP8Encoder* const enc = it->enc_; + if (delta && enc->pic_->progress_hook != NULL) { + const int done = it->count_down0_ - it->count_down_; + const int percent = (it->count_down0_ <= 0) + ? it->percent0_ + : it->percent0_ + delta * done / it->count_down0_; + return WebPReportProgress(enc->pic_, percent, &enc->percent_); + } + return 1; +} + +//------------------------------------------------------------------------------ +// Import the source samples into the cache. Takes care of replicating +// boundary pixels if necessary. + +static WEBP_INLINE int MinSize(int a, int b) { return (a < b) ? a : b; } + +static void ImportBlock(const uint8_t* src, int src_stride, + uint8_t* dst, int w, int h, int size) { + int i; + for (i = 0; i < h; ++i) { + memcpy(dst, src, w); + if (w < size) { + memset(dst + w, dst[w - 1], size - w); + } + dst += BPS; + src += src_stride; + } + for (i = h; i < size; ++i) { + memcpy(dst, dst - BPS, size); + dst += BPS; + } +} + +static void ImportLine(const uint8_t* src, int src_stride, + uint8_t* dst, int len, int total_len) { + int i; + for (i = 0; i < len; ++i, src += src_stride) dst[i] = *src; + for (; i < total_len; ++i) dst[i] = dst[len - 1]; +} + +void VP8IteratorImport(VP8EncIterator* const it, uint8_t* const tmp_32) { + const VP8Encoder* const enc = it->enc_; + const int x = it->x_, y = it->y_; + const WebPPicture* const pic = enc->pic_; + const uint8_t* const ysrc = pic->y + (y * pic->y_stride + x) * 16; + const uint8_t* const usrc = pic->u + (y * pic->uv_stride + x) * 8; + const uint8_t* const vsrc = pic->v + (y * pic->uv_stride + x) * 8; + const int w = MinSize(pic->width - x * 16, 16); + const int h = MinSize(pic->height - y * 16, 16); + const int uv_w = (w + 1) >> 1; + const int uv_h = (h + 1) >> 1; + + ImportBlock(ysrc, pic->y_stride, it->yuv_in_ + Y_OFF_ENC, w, h, 16); + ImportBlock(usrc, pic->uv_stride, it->yuv_in_ + U_OFF_ENC, uv_w, uv_h, 8); + ImportBlock(vsrc, pic->uv_stride, it->yuv_in_ + V_OFF_ENC, uv_w, uv_h, 8); + + if (tmp_32 == NULL) return; + + // Import source (uncompressed) samples into boundary. + if (x == 0) { + InitLeft(it); + } else { + if (y == 0) { + it->y_left_[-1] = it->u_left_[-1] = it->v_left_[-1] = 127; + } else { + it->y_left_[-1] = ysrc[- 1 - pic->y_stride]; + it->u_left_[-1] = usrc[- 1 - pic->uv_stride]; + it->v_left_[-1] = vsrc[- 1 - pic->uv_stride]; + } + ImportLine(ysrc - 1, pic->y_stride, it->y_left_, h, 16); + ImportLine(usrc - 1, pic->uv_stride, it->u_left_, uv_h, 8); + ImportLine(vsrc - 1, pic->uv_stride, it->v_left_, uv_h, 8); + } + + it->y_top_ = tmp_32 + 0; + it->uv_top_ = tmp_32 + 16; + if (y == 0) { + memset(tmp_32, 127, 32 * sizeof(*tmp_32)); + } else { + ImportLine(ysrc - pic->y_stride, 1, tmp_32, w, 16); + ImportLine(usrc - pic->uv_stride, 1, tmp_32 + 16, uv_w, 8); + ImportLine(vsrc - pic->uv_stride, 1, tmp_32 + 16 + 8, uv_w, 8); + } +} + +//------------------------------------------------------------------------------ +// Copy back the compressed samples into user space if requested. + +static void ExportBlock(const uint8_t* src, uint8_t* dst, int dst_stride, + int w, int h) { + while (h-- > 0) { + memcpy(dst, src, w); + dst += dst_stride; + src += BPS; + } +} + +void VP8IteratorExport(const VP8EncIterator* const it) { + const VP8Encoder* const enc = it->enc_; + if (enc->config_->show_compressed) { + const int x = it->x_, y = it->y_; + const uint8_t* const ysrc = it->yuv_out_ + Y_OFF_ENC; + const uint8_t* const usrc = it->yuv_out_ + U_OFF_ENC; + const uint8_t* const vsrc = it->yuv_out_ + V_OFF_ENC; + const WebPPicture* const pic = enc->pic_; + uint8_t* const ydst = pic->y + (y * pic->y_stride + x) * 16; + uint8_t* const udst = pic->u + (y * pic->uv_stride + x) * 8; + uint8_t* const vdst = pic->v + (y * pic->uv_stride + x) * 8; + int w = (pic->width - x * 16); + int h = (pic->height - y * 16); + + if (w > 16) w = 16; + if (h > 16) h = 16; + + // Luma plane + ExportBlock(ysrc, ydst, pic->y_stride, w, h); + + { // U/V planes + const int uv_w = (w + 1) >> 1; + const int uv_h = (h + 1) >> 1; + ExportBlock(usrc, udst, pic->uv_stride, uv_w, uv_h); + ExportBlock(vsrc, vdst, pic->uv_stride, uv_w, uv_h); + } + } +} + +//------------------------------------------------------------------------------ +// Non-zero contexts setup/teardown + +// Nz bits: +// 0 1 2 3 Y +// 4 5 6 7 +// 8 9 10 11 +// 12 13 14 15 +// 16 17 U +// 18 19 +// 20 21 V +// 22 23 +// 24 DC-intra16 + +// Convert packed context to byte array +#define BIT(nz, n) (!!((nz) & (1 << (n)))) + +void VP8IteratorNzToBytes(VP8EncIterator* const it) { + const int tnz = it->nz_[0], lnz = it->nz_[-1]; + int* const top_nz = it->top_nz_; + int* const left_nz = it->left_nz_; + + // Top-Y + top_nz[0] = BIT(tnz, 12); + top_nz[1] = BIT(tnz, 13); + top_nz[2] = BIT(tnz, 14); + top_nz[3] = BIT(tnz, 15); + // Top-U + top_nz[4] = BIT(tnz, 18); + top_nz[5] = BIT(tnz, 19); + // Top-V + top_nz[6] = BIT(tnz, 22); + top_nz[7] = BIT(tnz, 23); + // DC + top_nz[8] = BIT(tnz, 24); + + // left-Y + left_nz[0] = BIT(lnz, 3); + left_nz[1] = BIT(lnz, 7); + left_nz[2] = BIT(lnz, 11); + left_nz[3] = BIT(lnz, 15); + // left-U + left_nz[4] = BIT(lnz, 17); + left_nz[5] = BIT(lnz, 19); + // left-V + left_nz[6] = BIT(lnz, 21); + left_nz[7] = BIT(lnz, 23); + // left-DC is special, iterated separately +} + +void VP8IteratorBytesToNz(VP8EncIterator* const it) { + uint32_t nz = 0; + const int* const top_nz = it->top_nz_; + const int* const left_nz = it->left_nz_; + // top + nz |= (top_nz[0] << 12) | (top_nz[1] << 13); + nz |= (top_nz[2] << 14) | (top_nz[3] << 15); + nz |= (top_nz[4] << 18) | (top_nz[5] << 19); + nz |= (top_nz[6] << 22) | (top_nz[7] << 23); + nz |= (top_nz[8] << 24); // we propagate the _top_ bit, esp. for intra4 + // left + nz |= (left_nz[0] << 3) | (left_nz[1] << 7); + nz |= (left_nz[2] << 11); + nz |= (left_nz[4] << 17) | (left_nz[6] << 21); + + *it->nz_ = nz; +} + +#undef BIT + +//------------------------------------------------------------------------------ +// Advance to the next position, doing the bookkeeping. + +void VP8IteratorSaveBoundary(VP8EncIterator* const it) { + VP8Encoder* const enc = it->enc_; + const int x = it->x_, y = it->y_; + const uint8_t* const ysrc = it->yuv_out_ + Y_OFF_ENC; + const uint8_t* const uvsrc = it->yuv_out_ + U_OFF_ENC; + if (x < enc->mb_w_ - 1) { // left + int i; + for (i = 0; i < 16; ++i) { + it->y_left_[i] = ysrc[15 + i * BPS]; + } + for (i = 0; i < 8; ++i) { + it->u_left_[i] = uvsrc[7 + i * BPS]; + it->v_left_[i] = uvsrc[15 + i * BPS]; + } + // top-left (before 'top'!) + it->y_left_[-1] = it->y_top_[15]; + it->u_left_[-1] = it->uv_top_[0 + 7]; + it->v_left_[-1] = it->uv_top_[8 + 7]; + } + if (y < enc->mb_h_ - 1) { // top + memcpy(it->y_top_, ysrc + 15 * BPS, 16); + memcpy(it->uv_top_, uvsrc + 7 * BPS, 8 + 8); + } +} + +int VP8IteratorNext(VP8EncIterator* const it) { + if (++it->x_ == it->enc_->mb_w_) { + VP8IteratorSetRow(it, ++it->y_); + } else { + it->preds_ += 4; + it->mb_ += 1; + it->nz_ += 1; + it->y_top_ += 16; + it->uv_top_ += 16; + } + return (0 < --it->count_down_); +} + +//------------------------------------------------------------------------------ +// Helper function to set mode properties + +void VP8SetIntra16Mode(const VP8EncIterator* const it, int mode) { + uint8_t* preds = it->preds_; + int y; + for (y = 0; y < 4; ++y) { + memset(preds, mode, 4); + preds += it->enc_->preds_w_; + } + it->mb_->type_ = 1; +} + +void VP8SetIntra4Mode(const VP8EncIterator* const it, const uint8_t* modes) { + uint8_t* preds = it->preds_; + int y; + for (y = 4; y > 0; --y) { + memcpy(preds, modes, 4 * sizeof(*modes)); + preds += it->enc_->preds_w_; + modes += 4; + } + it->mb_->type_ = 0; +} + +void VP8SetIntraUVMode(const VP8EncIterator* const it, int mode) { + it->mb_->uv_mode_ = mode; +} + +void VP8SetSkip(const VP8EncIterator* const it, int skip) { + it->mb_->skip_ = skip; +} + +void VP8SetSegment(const VP8EncIterator* const it, int segment) { + it->mb_->segment_ = segment; +} + +//------------------------------------------------------------------------------ +// Intra4x4 sub-blocks iteration +// +// We store and update the boundary samples into an array of 37 pixels. They +// are updated as we iterate and reconstructs each intra4x4 blocks in turn. +// The position of the samples has the following snake pattern: +// +// 16|17 18 19 20|21 22 23 24|25 26 27 28|29 30 31 32|33 34 35 36 <- Top-right +// --+-----------+-----------+-----------+-----------+ +// 15| 19| 23| 27| 31| +// 14| 18| 22| 26| 30| +// 13| 17| 21| 25| 29| +// 12|13 14 15 16|17 18 19 20|21 22 23 24|25 26 27 28| +// --+-----------+-----------+-----------+-----------+ +// 11| 15| 19| 23| 27| +// 10| 14| 18| 22| 26| +// 9| 13| 17| 21| 25| +// 8| 9 10 11 12|13 14 15 16|17 18 19 20|21 22 23 24| +// --+-----------+-----------+-----------+-----------+ +// 7| 11| 15| 19| 23| +// 6| 10| 14| 18| 22| +// 5| 9| 13| 17| 21| +// 4| 5 6 7 8| 9 10 11 12|13 14 15 16|17 18 19 20| +// --+-----------+-----------+-----------+-----------+ +// 3| 7| 11| 15| 19| +// 2| 6| 10| 14| 18| +// 1| 5| 9| 13| 17| +// 0| 1 2 3 4| 5 6 7 8| 9 10 11 12|13 14 15 16| +// --+-----------+-----------+-----------+-----------+ + +// Array to record the position of the top sample to pass to the prediction +// functions in dsp.c. +static const uint8_t VP8TopLeftI4[16] = { + 17, 21, 25, 29, + 13, 17, 21, 25, + 9, 13, 17, 21, + 5, 9, 13, 17 +}; + +void VP8IteratorStartI4(VP8EncIterator* const it) { + const VP8Encoder* const enc = it->enc_; + int i; + + it->i4_ = 0; // first 4x4 sub-block + it->i4_top_ = it->i4_boundary_ + VP8TopLeftI4[0]; + + // Import the boundary samples + for (i = 0; i < 17; ++i) { // left + it->i4_boundary_[i] = it->y_left_[15 - i]; + } + for (i = 0; i < 16; ++i) { // top + it->i4_boundary_[17 + i] = it->y_top_[i]; + } + // top-right samples have a special case on the far right of the picture + if (it->x_ < enc->mb_w_ - 1) { + for (i = 16; i < 16 + 4; ++i) { + it->i4_boundary_[17 + i] = it->y_top_[i]; + } + } else { // else, replicate the last valid pixel four times + for (i = 16; i < 16 + 4; ++i) { + it->i4_boundary_[17 + i] = it->i4_boundary_[17 + 15]; + } + } + VP8IteratorNzToBytes(it); // import the non-zero context +} + +int VP8IteratorRotateI4(VP8EncIterator* const it, + const uint8_t* const yuv_out) { + const uint8_t* const blk = yuv_out + VP8Scan[it->i4_]; + uint8_t* const top = it->i4_top_; + int i; + + // Update the cache with 7 fresh samples + for (i = 0; i <= 3; ++i) { + top[-4 + i] = blk[i + 3 * BPS]; // store future top samples + } + if ((it->i4_ & 3) != 3) { // if not on the right sub-blocks #3, #7, #11, #15 + for (i = 0; i <= 2; ++i) { // store future left samples + top[i] = blk[3 + (2 - i) * BPS]; + } + } else { // else replicate top-right samples, as says the specs. + for (i = 0; i <= 3; ++i) { + top[i] = top[i + 4]; + } + } + // move pointers to next sub-block + ++it->i4_; + if (it->i4_ == 16) { // we're done + return 0; + } + + it->i4_top_ = it->i4_boundary_ + VP8TopLeftI4[it->i4_]; + return 1; +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/enc/near_lossless_enc.c b/ProductApp/Pods/libwebp/src/enc/near_lossless_enc.c new file mode 100644 index 0000000..5517a7e --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/near_lossless_enc.c @@ -0,0 +1,151 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Near-lossless image preprocessing adjusts pixel values to help +// compressibility with a guarantee of maximum deviation between original and +// resulting pixel values. +// +// Author: Jyrki Alakuijala (jyrki@google.com) +// Converted to C by Aleksander Kramarz (akramarz@google.com) + +#include +#include + +#include "src/dsp/lossless_common.h" +#include "src/utils/utils.h" +#include "src/enc/vp8li_enc.h" + +#if (WEBP_NEAR_LOSSLESS == 1) + +#define MIN_DIM_FOR_NEAR_LOSSLESS 64 +#define MAX_LIMIT_BITS 5 + +// Quantizes the value up or down to a multiple of 1<> 1) + ((a >> bits) & 1); + assert(bits > 0); + if (biased > 0xff) return 0xff; + return biased & ~mask; +} + +// Applies FindClosestDiscretized to all channels of pixel. +static uint32_t ClosestDiscretizedArgb(uint32_t a, int bits) { + return + (FindClosestDiscretized(a >> 24, bits) << 24) | + (FindClosestDiscretized((a >> 16) & 0xff, bits) << 16) | + (FindClosestDiscretized((a >> 8) & 0xff, bits) << 8) | + (FindClosestDiscretized(a & 0xff, bits)); +} + +// Checks if distance between corresponding channel values of pixels a and b +// is within the given limit. +static int IsNear(uint32_t a, uint32_t b, int limit) { + int k; + for (k = 0; k < 4; ++k) { + const int delta = + (int)((a >> (k * 8)) & 0xff) - (int)((b >> (k * 8)) & 0xff); + if (delta >= limit || delta <= -limit) { + return 0; + } + } + return 1; +} + +static int IsSmooth(const uint32_t* const prev_row, + const uint32_t* const curr_row, + const uint32_t* const next_row, + int ix, int limit) { + // Check that all pixels in 4-connected neighborhood are smooth. + return (IsNear(curr_row[ix], curr_row[ix - 1], limit) && + IsNear(curr_row[ix], curr_row[ix + 1], limit) && + IsNear(curr_row[ix], prev_row[ix], limit) && + IsNear(curr_row[ix], next_row[ix], limit)); +} + +// Adjusts pixel values of image with given maximum error. +static void NearLossless(int xsize, int ysize, const uint32_t* argb_src, + int stride, int limit_bits, uint32_t* copy_buffer, + uint32_t* argb_dst) { + int x, y; + const int limit = 1 << limit_bits; + uint32_t* prev_row = copy_buffer; + uint32_t* curr_row = prev_row + xsize; + uint32_t* next_row = curr_row + xsize; + memcpy(curr_row, argb_src, xsize * sizeof(argb_src[0])); + memcpy(next_row, argb_src + stride, xsize * sizeof(argb_src[0])); + + for (y = 0; y < ysize; ++y, argb_src += stride, argb_dst += xsize) { + if (y == 0 || y == ysize - 1) { + memcpy(argb_dst, argb_src, xsize * sizeof(argb_src[0])); + } else { + memcpy(next_row, argb_src + stride, xsize * sizeof(argb_src[0])); + argb_dst[0] = argb_src[0]; + argb_dst[xsize - 1] = argb_src[xsize - 1]; + for (x = 1; x < xsize - 1; ++x) { + if (IsSmooth(prev_row, curr_row, next_row, x, limit)) { + argb_dst[x] = curr_row[x]; + } else { + argb_dst[x] = ClosestDiscretizedArgb(curr_row[x], limit_bits); + } + } + } + { + // Three-way swap. + uint32_t* const temp = prev_row; + prev_row = curr_row; + curr_row = next_row; + next_row = temp; + } + } +} + +int VP8ApplyNearLossless(const WebPPicture* const picture, int quality, + uint32_t* const argb_dst) { + int i; + const int xsize = picture->width; + const int ysize = picture->height; + const int stride = picture->argb_stride; + uint32_t* const copy_buffer = + (uint32_t*)WebPSafeMalloc(xsize * 3, sizeof(*copy_buffer)); + const int limit_bits = VP8LNearLosslessBits(quality); + assert(argb_dst != NULL); + assert(limit_bits > 0); + assert(limit_bits <= MAX_LIMIT_BITS); + if (copy_buffer == NULL) { + return 0; + } + // For small icon images, don't attempt to apply near-lossless compression. + if ((xsize < MIN_DIM_FOR_NEAR_LOSSLESS && + ysize < MIN_DIM_FOR_NEAR_LOSSLESS) || + ysize < 3) { + for (i = 0; i < ysize; ++i) { + memcpy(argb_dst + i * xsize, picture->argb + i * picture->argb_stride, + xsize * sizeof(*argb_dst)); + } + WebPSafeFree(copy_buffer); + return 1; + } + + NearLossless(xsize, ysize, picture->argb, stride, limit_bits, copy_buffer, + argb_dst); + for (i = limit_bits - 1; i != 0; --i) { + NearLossless(xsize, ysize, argb_dst, xsize, i, copy_buffer, argb_dst); + } + WebPSafeFree(copy_buffer); + return 1; +} +#else // (WEBP_NEAR_LOSSLESS == 1) + +// Define a stub to suppress compiler warnings. +extern void VP8LNearLosslessStub(void); +void VP8LNearLosslessStub(void) {} + +#endif // (WEBP_NEAR_LOSSLESS == 1) diff --git a/ProductApp/Pods/libwebp/src/enc/picture_csp_enc.c b/ProductApp/Pods/libwebp/src/enc/picture_csp_enc.c new file mode 100644 index 0000000..a9280e6 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/picture_csp_enc.c @@ -0,0 +1,846 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// WebPPicture utils for colorspace conversion +// +// Author: Skal (pascal.massimino@gmail.com) + +#include +#include +#include + +#include "sharpyuv/sharpyuv.h" +#include "sharpyuv/sharpyuv_csp.h" +#include "src/enc/vp8i_enc.h" +#include "src/utils/random_utils.h" +#include "src/utils/utils.h" +#include "src/dsp/dsp.h" +#include "src/dsp/lossless.h" +#include "src/dsp/yuv.h" +#include "src/dsp/cpu.h" + +#if defined(WEBP_USE_THREAD) && !defined(_WIN32) +#include +#endif + +// Uncomment to disable gamma-compression during RGB->U/V averaging +#define USE_GAMMA_COMPRESSION + +// If defined, use table to compute x / alpha. +#define USE_INVERSE_ALPHA_TABLE + +#ifdef WORDS_BIGENDIAN +// uint32_t 0xff000000 is 0xff,00,00,00 in memory +#define CHANNEL_OFFSET(i) (i) +#else +// uint32_t 0xff000000 is 0x00,00,00,ff in memory +#define CHANNEL_OFFSET(i) (3-(i)) +#endif + +#define ALPHA_OFFSET CHANNEL_OFFSET(0) + +//------------------------------------------------------------------------------ +// Detection of non-trivial transparency + +// Returns true if alpha[] has non-0xff values. +static int CheckNonOpaque(const uint8_t* alpha, int width, int height, + int x_step, int y_step) { + if (alpha == NULL) return 0; + WebPInitAlphaProcessing(); + if (x_step == 1) { + for (; height-- > 0; alpha += y_step) { + if (WebPHasAlpha8b(alpha, width)) return 1; + } + } else { + for (; height-- > 0; alpha += y_step) { + if (WebPHasAlpha32b(alpha, width)) return 1; + } + } + return 0; +} + +// Checking for the presence of non-opaque alpha. +int WebPPictureHasTransparency(const WebPPicture* picture) { + if (picture == NULL) return 0; + if (picture->use_argb) { + if (picture->argb != NULL) { + return CheckNonOpaque((const uint8_t*)picture->argb + ALPHA_OFFSET, + picture->width, picture->height, + 4, picture->argb_stride * sizeof(*picture->argb)); + } + return 0; + } + return CheckNonOpaque(picture->a, picture->width, picture->height, + 1, picture->a_stride); +} + +//------------------------------------------------------------------------------ +// Code for gamma correction + +#if defined(USE_GAMMA_COMPRESSION) + +// Gamma correction compensates loss of resolution during chroma subsampling. +#define GAMMA_FIX 12 // fixed-point precision for linear values +#define GAMMA_TAB_FIX 7 // fixed-point fractional bits precision +#define GAMMA_TAB_SIZE (1 << (GAMMA_FIX - GAMMA_TAB_FIX)) +static const double kGamma = 0.80; +static const int kGammaScale = ((1 << GAMMA_FIX) - 1); +static const int kGammaTabScale = (1 << GAMMA_TAB_FIX); +static const int kGammaTabRounder = (1 << GAMMA_TAB_FIX >> 1); + +static int kLinearToGammaTab[GAMMA_TAB_SIZE + 1]; +static uint16_t kGammaToLinearTab[256]; +static volatile int kGammaTablesOk = 0; +static void InitGammaTables(void); +extern VP8CPUInfo VP8GetCPUInfo; + +WEBP_DSP_INIT_FUNC(InitGammaTables) { + if (!kGammaTablesOk) { + int v; + const double scale = (double)(1 << GAMMA_TAB_FIX) / kGammaScale; + const double norm = 1. / 255.; + for (v = 0; v <= 255; ++v) { + kGammaToLinearTab[v] = + (uint16_t)(pow(norm * v, kGamma) * kGammaScale + .5); + } + for (v = 0; v <= GAMMA_TAB_SIZE; ++v) { + kLinearToGammaTab[v] = (int)(255. * pow(scale * v, 1. / kGamma) + .5); + } + kGammaTablesOk = 1; + } +} + +static WEBP_INLINE uint32_t GammaToLinear(uint8_t v) { + return kGammaToLinearTab[v]; +} + +static WEBP_INLINE int Interpolate(int v) { + const int tab_pos = v >> (GAMMA_TAB_FIX + 2); // integer part + const int x = v & ((kGammaTabScale << 2) - 1); // fractional part + const int v0 = kLinearToGammaTab[tab_pos]; + const int v1 = kLinearToGammaTab[tab_pos + 1]; + const int y = v1 * x + v0 * ((kGammaTabScale << 2) - x); // interpolate + assert(tab_pos + 1 < GAMMA_TAB_SIZE + 1); + return y; +} + +// Convert a linear value 'v' to YUV_FIX+2 fixed-point precision +// U/V value, suitable for RGBToU/V calls. +static WEBP_INLINE int LinearToGamma(uint32_t base_value, int shift) { + const int y = Interpolate(base_value << shift); // final uplifted value + return (y + kGammaTabRounder) >> GAMMA_TAB_FIX; // descale +} + +#else + +static void InitGammaTables(void) {} +static WEBP_INLINE uint32_t GammaToLinear(uint8_t v) { return v; } +static WEBP_INLINE int LinearToGamma(uint32_t base_value, int shift) { + return (int)(base_value << shift); +} + +#endif // USE_GAMMA_COMPRESSION + +//------------------------------------------------------------------------------ +// RGB -> YUV conversion + +static int RGBToY(int r, int g, int b, VP8Random* const rg) { + return (rg == NULL) ? VP8RGBToY(r, g, b, YUV_HALF) + : VP8RGBToY(r, g, b, VP8RandomBits(rg, YUV_FIX)); +} + +static int RGBToU(int r, int g, int b, VP8Random* const rg) { + return (rg == NULL) ? VP8RGBToU(r, g, b, YUV_HALF << 2) + : VP8RGBToU(r, g, b, VP8RandomBits(rg, YUV_FIX + 2)); +} + +static int RGBToV(int r, int g, int b, VP8Random* const rg) { + return (rg == NULL) ? VP8RGBToV(r, g, b, YUV_HALF << 2) + : VP8RGBToV(r, g, b, VP8RandomBits(rg, YUV_FIX + 2)); +} + +//------------------------------------------------------------------------------ +// Sharp RGB->YUV conversion + +static const int kMinDimensionIterativeConversion = 4; + +//------------------------------------------------------------------------------ +// Main function + +static int PreprocessARGB(const uint8_t* r_ptr, + const uint8_t* g_ptr, + const uint8_t* b_ptr, + int step, int rgb_stride, + WebPPicture* const picture) { + const int ok = SharpYuvConvert( + r_ptr, g_ptr, b_ptr, step, rgb_stride, /*rgb_bit_depth=*/8, + picture->y, picture->y_stride, picture->u, picture->uv_stride, picture->v, + picture->uv_stride, /*yuv_bit_depth=*/8, picture->width, + picture->height, SharpYuvGetConversionMatrix(kSharpYuvMatrixWebp)); + if (!ok) { + return WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + return ok; +} + +//------------------------------------------------------------------------------ +// "Fast" regular RGB->YUV + +#define SUM4(ptr, step) LinearToGamma( \ + GammaToLinear((ptr)[0]) + \ + GammaToLinear((ptr)[(step)]) + \ + GammaToLinear((ptr)[rgb_stride]) + \ + GammaToLinear((ptr)[rgb_stride + (step)]), 0) \ + +#define SUM2(ptr) \ + LinearToGamma(GammaToLinear((ptr)[0]) + GammaToLinear((ptr)[rgb_stride]), 1) + +#define SUM2ALPHA(ptr) ((ptr)[0] + (ptr)[rgb_stride]) +#define SUM4ALPHA(ptr) (SUM2ALPHA(ptr) + SUM2ALPHA((ptr) + 4)) + +#if defined(USE_INVERSE_ALPHA_TABLE) + +static const int kAlphaFix = 19; +// Following table is (1 << kAlphaFix) / a. The (v * kInvAlpha[a]) >> kAlphaFix +// formula is then equal to v / a in most (99.6%) cases. Note that this table +// and constant are adjusted very tightly to fit 32b arithmetic. +// In particular, they use the fact that the operands for 'v / a' are actually +// derived as v = (a0.p0 + a1.p1 + a2.p2 + a3.p3) and a = a0 + a1 + a2 + a3 +// with ai in [0..255] and pi in [0..1<> (kAlphaFix - 2)) + +#else + +#define DIVIDE_BY_ALPHA(sum, a) (4 * (sum) / (a)) + +#endif // USE_INVERSE_ALPHA_TABLE + +static WEBP_INLINE int LinearToGammaWeighted(const uint8_t* src, + const uint8_t* a_ptr, + uint32_t total_a, int step, + int rgb_stride) { + const uint32_t sum = + a_ptr[0] * GammaToLinear(src[0]) + + a_ptr[step] * GammaToLinear(src[step]) + + a_ptr[rgb_stride] * GammaToLinear(src[rgb_stride]) + + a_ptr[rgb_stride + step] * GammaToLinear(src[rgb_stride + step]); + assert(total_a > 0 && total_a <= 4 * 0xff); +#if defined(USE_INVERSE_ALPHA_TABLE) + assert((uint64_t)sum * kInvAlpha[total_a] < ((uint64_t)1 << 32)); +#endif + return LinearToGamma(DIVIDE_BY_ALPHA(sum, total_a), 0); +} + +static WEBP_INLINE void ConvertRowToY(const uint8_t* const r_ptr, + const uint8_t* const g_ptr, + const uint8_t* const b_ptr, + int step, + uint8_t* const dst_y, + int width, + VP8Random* const rg) { + int i, j; + for (i = 0, j = 0; i < width; i += 1, j += step) { + dst_y[i] = RGBToY(r_ptr[j], g_ptr[j], b_ptr[j], rg); + } +} + +static WEBP_INLINE void AccumulateRGBA(const uint8_t* const r_ptr, + const uint8_t* const g_ptr, + const uint8_t* const b_ptr, + const uint8_t* const a_ptr, + int rgb_stride, + uint16_t* dst, int width) { + int i, j; + // we loop over 2x2 blocks and produce one R/G/B/A value for each. + for (i = 0, j = 0; i < (width >> 1); i += 1, j += 2 * 4, dst += 4) { + const uint32_t a = SUM4ALPHA(a_ptr + j); + int r, g, b; + if (a == 4 * 0xff || a == 0) { + r = SUM4(r_ptr + j, 4); + g = SUM4(g_ptr + j, 4); + b = SUM4(b_ptr + j, 4); + } else { + r = LinearToGammaWeighted(r_ptr + j, a_ptr + j, a, 4, rgb_stride); + g = LinearToGammaWeighted(g_ptr + j, a_ptr + j, a, 4, rgb_stride); + b = LinearToGammaWeighted(b_ptr + j, a_ptr + j, a, 4, rgb_stride); + } + dst[0] = r; + dst[1] = g; + dst[2] = b; + dst[3] = a; + } + if (width & 1) { + const uint32_t a = 2u * SUM2ALPHA(a_ptr + j); + int r, g, b; + if (a == 4 * 0xff || a == 0) { + r = SUM2(r_ptr + j); + g = SUM2(g_ptr + j); + b = SUM2(b_ptr + j); + } else { + r = LinearToGammaWeighted(r_ptr + j, a_ptr + j, a, 0, rgb_stride); + g = LinearToGammaWeighted(g_ptr + j, a_ptr + j, a, 0, rgb_stride); + b = LinearToGammaWeighted(b_ptr + j, a_ptr + j, a, 0, rgb_stride); + } + dst[0] = r; + dst[1] = g; + dst[2] = b; + dst[3] = a; + } +} + +static WEBP_INLINE void AccumulateRGB(const uint8_t* const r_ptr, + const uint8_t* const g_ptr, + const uint8_t* const b_ptr, + int step, int rgb_stride, + uint16_t* dst, int width) { + int i, j; + for (i = 0, j = 0; i < (width >> 1); i += 1, j += 2 * step, dst += 4) { + dst[0] = SUM4(r_ptr + j, step); + dst[1] = SUM4(g_ptr + j, step); + dst[2] = SUM4(b_ptr + j, step); + // MemorySanitizer may raise false positives with data that passes through + // RGBA32PackedToPlanar_16b_SSE41() due to incorrect modeling of shuffles. + // See https://crbug.com/webp/573. +#ifdef WEBP_MSAN + dst[3] = 0; +#endif + } + if (width & 1) { + dst[0] = SUM2(r_ptr + j); + dst[1] = SUM2(g_ptr + j); + dst[2] = SUM2(b_ptr + j); +#ifdef WEBP_MSAN + dst[3] = 0; +#endif + } +} + +static WEBP_INLINE void ConvertRowsToUV(const uint16_t* rgb, + uint8_t* const dst_u, + uint8_t* const dst_v, + int width, + VP8Random* const rg) { + int i; + for (i = 0; i < width; i += 1, rgb += 4) { + const int r = rgb[0], g = rgb[1], b = rgb[2]; + dst_u[i] = RGBToU(r, g, b, rg); + dst_v[i] = RGBToV(r, g, b, rg); + } +} + +extern void SharpYuvInit(VP8CPUInfo cpu_info_func); + +static int ImportYUVAFromRGBA(const uint8_t* r_ptr, + const uint8_t* g_ptr, + const uint8_t* b_ptr, + const uint8_t* a_ptr, + int step, // bytes per pixel + int rgb_stride, // bytes per scanline + float dithering, + int use_iterative_conversion, + WebPPicture* const picture) { + int y; + const int width = picture->width; + const int height = picture->height; + const int has_alpha = CheckNonOpaque(a_ptr, width, height, step, rgb_stride); + const int is_rgb = (r_ptr < b_ptr); // otherwise it's bgr + + picture->colorspace = has_alpha ? WEBP_YUV420A : WEBP_YUV420; + picture->use_argb = 0; + + // disable smart conversion if source is too small (overkill). + if (width < kMinDimensionIterativeConversion || + height < kMinDimensionIterativeConversion) { + use_iterative_conversion = 0; + } + + if (!WebPPictureAllocYUVA(picture)) { + return 0; + } + if (has_alpha) { + assert(step == 4); +#if defined(USE_GAMMA_COMPRESSION) && defined(USE_INVERSE_ALPHA_TABLE) + assert(kAlphaFix + GAMMA_FIX <= 31); +#endif + } + + if (use_iterative_conversion) { + SharpYuvInit(VP8GetCPUInfo); + if (!PreprocessARGB(r_ptr, g_ptr, b_ptr, step, rgb_stride, picture)) { + return 0; + } + if (has_alpha) { + WebPExtractAlpha(a_ptr, rgb_stride, width, height, + picture->a, picture->a_stride); + } + } else { + const int uv_width = (width + 1) >> 1; + int use_dsp = (step == 3); // use special function in this case + // temporary storage for accumulated R/G/B values during conversion to U/V + uint16_t* const tmp_rgb = + (uint16_t*)WebPSafeMalloc(4 * uv_width, sizeof(*tmp_rgb)); + uint8_t* dst_y = picture->y; + uint8_t* dst_u = picture->u; + uint8_t* dst_v = picture->v; + uint8_t* dst_a = picture->a; + + VP8Random base_rg; + VP8Random* rg = NULL; + if (dithering > 0.) { + VP8InitRandom(&base_rg, dithering); + rg = &base_rg; + use_dsp = 0; // can't use dsp in this case + } + WebPInitConvertARGBToYUV(); + InitGammaTables(); + + if (tmp_rgb == NULL) { + return WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + + // Downsample Y/U/V planes, two rows at a time + for (y = 0; y < (height >> 1); ++y) { + int rows_have_alpha = has_alpha; + if (use_dsp) { + if (is_rgb) { + WebPConvertRGB24ToY(r_ptr, dst_y, width); + WebPConvertRGB24ToY(r_ptr + rgb_stride, + dst_y + picture->y_stride, width); + } else { + WebPConvertBGR24ToY(b_ptr, dst_y, width); + WebPConvertBGR24ToY(b_ptr + rgb_stride, + dst_y + picture->y_stride, width); + } + } else { + ConvertRowToY(r_ptr, g_ptr, b_ptr, step, dst_y, width, rg); + ConvertRowToY(r_ptr + rgb_stride, + g_ptr + rgb_stride, + b_ptr + rgb_stride, step, + dst_y + picture->y_stride, width, rg); + } + dst_y += 2 * picture->y_stride; + if (has_alpha) { + rows_have_alpha &= !WebPExtractAlpha(a_ptr, rgb_stride, width, 2, + dst_a, picture->a_stride); + dst_a += 2 * picture->a_stride; + } + // Collect averaged R/G/B(/A) + if (!rows_have_alpha) { + AccumulateRGB(r_ptr, g_ptr, b_ptr, step, rgb_stride, tmp_rgb, width); + } else { + AccumulateRGBA(r_ptr, g_ptr, b_ptr, a_ptr, rgb_stride, tmp_rgb, width); + } + // Convert to U/V + if (rg == NULL) { + WebPConvertRGBA32ToUV(tmp_rgb, dst_u, dst_v, uv_width); + } else { + ConvertRowsToUV(tmp_rgb, dst_u, dst_v, uv_width, rg); + } + dst_u += picture->uv_stride; + dst_v += picture->uv_stride; + r_ptr += 2 * rgb_stride; + b_ptr += 2 * rgb_stride; + g_ptr += 2 * rgb_stride; + if (has_alpha) a_ptr += 2 * rgb_stride; + } + if (height & 1) { // extra last row + int row_has_alpha = has_alpha; + if (use_dsp) { + if (r_ptr < b_ptr) { + WebPConvertRGB24ToY(r_ptr, dst_y, width); + } else { + WebPConvertBGR24ToY(b_ptr, dst_y, width); + } + } else { + ConvertRowToY(r_ptr, g_ptr, b_ptr, step, dst_y, width, rg); + } + if (row_has_alpha) { + row_has_alpha &= !WebPExtractAlpha(a_ptr, 0, width, 1, dst_a, 0); + } + // Collect averaged R/G/B(/A) + if (!row_has_alpha) { + // Collect averaged R/G/B + AccumulateRGB(r_ptr, g_ptr, b_ptr, step, /* rgb_stride = */ 0, + tmp_rgb, width); + } else { + AccumulateRGBA(r_ptr, g_ptr, b_ptr, a_ptr, /* rgb_stride = */ 0, + tmp_rgb, width); + } + if (rg == NULL) { + WebPConvertRGBA32ToUV(tmp_rgb, dst_u, dst_v, uv_width); + } else { + ConvertRowsToUV(tmp_rgb, dst_u, dst_v, uv_width, rg); + } + } + WebPSafeFree(tmp_rgb); + } + return 1; +} + +#undef SUM4 +#undef SUM2 +#undef SUM4ALPHA +#undef SUM2ALPHA + +//------------------------------------------------------------------------------ +// call for ARGB->YUVA conversion + +static int PictureARGBToYUVA(WebPPicture* picture, WebPEncCSP colorspace, + float dithering, int use_iterative_conversion) { + if (picture == NULL) return 0; + if (picture->argb == NULL) { + return WebPEncodingSetError(picture, VP8_ENC_ERROR_NULL_PARAMETER); + } else if ((colorspace & WEBP_CSP_UV_MASK) != WEBP_YUV420) { + return WebPEncodingSetError(picture, VP8_ENC_ERROR_INVALID_CONFIGURATION); + } else { + const uint8_t* const argb = (const uint8_t*)picture->argb; + const uint8_t* const a = argb + CHANNEL_OFFSET(0); + const uint8_t* const r = argb + CHANNEL_OFFSET(1); + const uint8_t* const g = argb + CHANNEL_OFFSET(2); + const uint8_t* const b = argb + CHANNEL_OFFSET(3); + + picture->colorspace = WEBP_YUV420; + return ImportYUVAFromRGBA(r, g, b, a, 4, 4 * picture->argb_stride, + dithering, use_iterative_conversion, picture); + } +} + +int WebPPictureARGBToYUVADithered(WebPPicture* picture, WebPEncCSP colorspace, + float dithering) { + return PictureARGBToYUVA(picture, colorspace, dithering, 0); +} + +int WebPPictureARGBToYUVA(WebPPicture* picture, WebPEncCSP colorspace) { + return PictureARGBToYUVA(picture, colorspace, 0.f, 0); +} + +int WebPPictureSharpARGBToYUVA(WebPPicture* picture) { + return PictureARGBToYUVA(picture, WEBP_YUV420, 0.f, 1); +} +// for backward compatibility +int WebPPictureSmartARGBToYUVA(WebPPicture* picture) { + return WebPPictureSharpARGBToYUVA(picture); +} + +//------------------------------------------------------------------------------ +// call for YUVA -> ARGB conversion + +int WebPPictureYUVAToARGB(WebPPicture* picture) { + if (picture == NULL) return 0; + if (picture->y == NULL || picture->u == NULL || picture->v == NULL) { + return WebPEncodingSetError(picture, VP8_ENC_ERROR_NULL_PARAMETER); + } + if ((picture->colorspace & WEBP_CSP_ALPHA_BIT) && picture->a == NULL) { + return WebPEncodingSetError(picture, VP8_ENC_ERROR_NULL_PARAMETER); + } + if ((picture->colorspace & WEBP_CSP_UV_MASK) != WEBP_YUV420) { + return WebPEncodingSetError(picture, VP8_ENC_ERROR_INVALID_CONFIGURATION); + } + // Allocate a new argb buffer (discarding the previous one). + if (!WebPPictureAllocARGB(picture)) return 0; + picture->use_argb = 1; + + // Convert + { + int y; + const int width = picture->width; + const int height = picture->height; + const int argb_stride = 4 * picture->argb_stride; + uint8_t* dst = (uint8_t*)picture->argb; + const uint8_t* cur_u = picture->u, *cur_v = picture->v, *cur_y = picture->y; + WebPUpsampleLinePairFunc upsample = + WebPGetLinePairConverter(ALPHA_OFFSET > 0); + + // First row, with replicated top samples. + upsample(cur_y, NULL, cur_u, cur_v, cur_u, cur_v, dst, NULL, width); + cur_y += picture->y_stride; + dst += argb_stride; + // Center rows. + for (y = 1; y + 1 < height; y += 2) { + const uint8_t* const top_u = cur_u; + const uint8_t* const top_v = cur_v; + cur_u += picture->uv_stride; + cur_v += picture->uv_stride; + upsample(cur_y, cur_y + picture->y_stride, top_u, top_v, cur_u, cur_v, + dst, dst + argb_stride, width); + cur_y += 2 * picture->y_stride; + dst += 2 * argb_stride; + } + // Last row (if needed), with replicated bottom samples. + if (height > 1 && !(height & 1)) { + upsample(cur_y, NULL, cur_u, cur_v, cur_u, cur_v, dst, NULL, width); + } + // Insert alpha values if needed, in replacement for the default 0xff ones. + if (picture->colorspace & WEBP_CSP_ALPHA_BIT) { + for (y = 0; y < height; ++y) { + uint32_t* const argb_dst = picture->argb + y * picture->argb_stride; + const uint8_t* const src = picture->a + y * picture->a_stride; + int x; + for (x = 0; x < width; ++x) { + argb_dst[x] = (argb_dst[x] & 0x00ffffffu) | ((uint32_t)src[x] << 24); + } + } + } + } + return 1; +} + +//------------------------------------------------------------------------------ +// automatic import / conversion + +static int Import(WebPPicture* const picture, + const uint8_t* rgb, int rgb_stride, + int step, int swap_rb, int import_alpha) { + int y; + // swap_rb -> b,g,r,a , !swap_rb -> r,g,b,a + const uint8_t* r_ptr = rgb + (swap_rb ? 2 : 0); + const uint8_t* g_ptr = rgb + 1; + const uint8_t* b_ptr = rgb + (swap_rb ? 0 : 2); + const int width = picture->width; + const int height = picture->height; + + if (abs(rgb_stride) < (import_alpha ? 4 : 3) * width) return 0; + + if (!picture->use_argb) { + const uint8_t* a_ptr = import_alpha ? rgb + 3 : NULL; + return ImportYUVAFromRGBA(r_ptr, g_ptr, b_ptr, a_ptr, step, rgb_stride, + 0.f /* no dithering */, 0, picture); + } + if (!WebPPictureAlloc(picture)) return 0; + + VP8LDspInit(); + WebPInitAlphaProcessing(); + + if (import_alpha) { + // dst[] byte order is {a,r,g,b} for big-endian, {b,g,r,a} for little endian + uint32_t* dst = picture->argb; + const int do_copy = (ALPHA_OFFSET == 3) && swap_rb; + assert(step == 4); + if (do_copy) { + for (y = 0; y < height; ++y) { + memcpy(dst, rgb, width * 4); + rgb += rgb_stride; + dst += picture->argb_stride; + } + } else { + for (y = 0; y < height; ++y) { +#ifdef WORDS_BIGENDIAN + // BGRA or RGBA input order. + const uint8_t* a_ptr = rgb + 3; + WebPPackARGB(a_ptr, r_ptr, g_ptr, b_ptr, width, dst); + r_ptr += rgb_stride; + g_ptr += rgb_stride; + b_ptr += rgb_stride; +#else + // RGBA input order. Need to swap R and B. + VP8LConvertBGRAToRGBA((const uint32_t*)rgb, width, (uint8_t*)dst); +#endif + rgb += rgb_stride; + dst += picture->argb_stride; + } + } + } else { + uint32_t* dst = picture->argb; + assert(step >= 3); + for (y = 0; y < height; ++y) { + WebPPackRGB(r_ptr, g_ptr, b_ptr, width, step, dst); + r_ptr += rgb_stride; + g_ptr += rgb_stride; + b_ptr += rgb_stride; + dst += picture->argb_stride; + } + } + return 1; +} + +// Public API + +#if !defined(WEBP_REDUCE_CSP) + +int WebPPictureImportBGR(WebPPicture* picture, + const uint8_t* bgr, int bgr_stride) { + return (picture != NULL && bgr != NULL) + ? Import(picture, bgr, bgr_stride, 3, 1, 0) + : 0; +} + +int WebPPictureImportBGRA(WebPPicture* picture, + const uint8_t* bgra, int bgra_stride) { + return (picture != NULL && bgra != NULL) + ? Import(picture, bgra, bgra_stride, 4, 1, 1) + : 0; +} + + +int WebPPictureImportBGRX(WebPPicture* picture, + const uint8_t* bgrx, int bgrx_stride) { + return (picture != NULL && bgrx != NULL) + ? Import(picture, bgrx, bgrx_stride, 4, 1, 0) + : 0; +} + +#endif // WEBP_REDUCE_CSP + +int WebPPictureImportRGB(WebPPicture* picture, + const uint8_t* rgb, int rgb_stride) { + return (picture != NULL && rgb != NULL) + ? Import(picture, rgb, rgb_stride, 3, 0, 0) + : 0; +} + +int WebPPictureImportRGBA(WebPPicture* picture, + const uint8_t* rgba, int rgba_stride) { + return (picture != NULL && rgba != NULL) + ? Import(picture, rgba, rgba_stride, 4, 0, 1) + : 0; +} + +int WebPPictureImportRGBX(WebPPicture* picture, + const uint8_t* rgbx, int rgbx_stride) { + return (picture != NULL && rgbx != NULL) + ? Import(picture, rgbx, rgbx_stride, 4, 0, 0) + : 0; +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/enc/picture_enc.c b/ProductApp/Pods/libwebp/src/enc/picture_enc.c new file mode 100644 index 0000000..3af6383 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/picture_enc.c @@ -0,0 +1,304 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// WebPPicture class basis +// +// Author: Skal (pascal.massimino@gmail.com) + +#include +#include + +#include "src/enc/vp8i_enc.h" +#include "src/dsp/dsp.h" +#include "src/utils/utils.h" + +//------------------------------------------------------------------------------ +// WebPPicture +//------------------------------------------------------------------------------ + +static int DummyWriter(const uint8_t* data, size_t data_size, + const WebPPicture* const picture) { + // The following are to prevent 'unused variable' error message. + (void)data; + (void)data_size; + (void)picture; + return 1; +} + +int WebPPictureInitInternal(WebPPicture* picture, int version) { + if (WEBP_ABI_IS_INCOMPATIBLE(version, WEBP_ENCODER_ABI_VERSION)) { + return 0; // caller/system version mismatch! + } + if (picture != NULL) { + memset(picture, 0, sizeof(*picture)); + picture->writer = DummyWriter; + WebPEncodingSetError(picture, VP8_ENC_OK); + } + return 1; +} + +//------------------------------------------------------------------------------ + +int WebPValidatePicture(const WebPPicture* const picture) { + if (picture == NULL) return 0; + if (picture->width <= 0 || picture->height <= 0) { + return WebPEncodingSetError(picture, VP8_ENC_ERROR_BAD_DIMENSION); + } + if (picture->width <= 0 || picture->width / 4 > INT_MAX / 4 || + picture->height <= 0 || picture->height / 4 > INT_MAX / 4) { + return WebPEncodingSetError(picture, VP8_ENC_ERROR_BAD_DIMENSION); + } + if (picture->colorspace != WEBP_YUV420 && + picture->colorspace != WEBP_YUV420A) { + return WebPEncodingSetError(picture, VP8_ENC_ERROR_INVALID_CONFIGURATION); + } + return 1; +} + +static void WebPPictureResetBufferARGB(WebPPicture* const picture) { + picture->memory_argb_ = NULL; + picture->argb = NULL; + picture->argb_stride = 0; +} + +static void WebPPictureResetBufferYUVA(WebPPicture* const picture) { + picture->memory_ = NULL; + picture->y = picture->u = picture->v = picture->a = NULL; + picture->y_stride = picture->uv_stride = 0; + picture->a_stride = 0; +} + +void WebPPictureResetBuffers(WebPPicture* const picture) { + WebPPictureResetBufferARGB(picture); + WebPPictureResetBufferYUVA(picture); +} + +int WebPPictureAllocARGB(WebPPicture* const picture) { + void* memory; + const int width = picture->width; + const int height = picture->height; + const uint64_t argb_size = (uint64_t)width * height; + + if (!WebPValidatePicture(picture)) return 0; + + WebPSafeFree(picture->memory_argb_); + WebPPictureResetBufferARGB(picture); + + // allocate a new buffer. + memory = WebPSafeMalloc(argb_size + WEBP_ALIGN_CST, sizeof(*picture->argb)); + if (memory == NULL) { + return WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + picture->memory_argb_ = memory; + picture->argb = (uint32_t*)WEBP_ALIGN(memory); + picture->argb_stride = width; + return 1; +} + +int WebPPictureAllocYUVA(WebPPicture* const picture) { + const int has_alpha = (int)picture->colorspace & WEBP_CSP_ALPHA_BIT; + const int width = picture->width; + const int height = picture->height; + const int y_stride = width; + const int uv_width = (int)(((int64_t)width + 1) >> 1); + const int uv_height = (int)(((int64_t)height + 1) >> 1); + const int uv_stride = uv_width; + int a_width, a_stride; + uint64_t y_size, uv_size, a_size, total_size; + uint8_t* mem; + + if (!WebPValidatePicture(picture)) return 0; + + WebPSafeFree(picture->memory_); + WebPPictureResetBufferYUVA(picture); + + // alpha + a_width = has_alpha ? width : 0; + a_stride = a_width; + y_size = (uint64_t)y_stride * height; + uv_size = (uint64_t)uv_stride * uv_height; + a_size = (uint64_t)a_stride * height; + + total_size = y_size + a_size + 2 * uv_size; + + // Security and validation checks + if (width <= 0 || height <= 0 || // luma/alpha param error + uv_width <= 0 || uv_height <= 0) { // u/v param error + return WebPEncodingSetError(picture, VP8_ENC_ERROR_BAD_DIMENSION); + } + // allocate a new buffer. + mem = (uint8_t*)WebPSafeMalloc(total_size, sizeof(*mem)); + if (mem == NULL) { + return WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + + // From now on, we're in the clear, we can no longer fail... + picture->memory_ = (void*)mem; + picture->y_stride = y_stride; + picture->uv_stride = uv_stride; + picture->a_stride = a_stride; + + // TODO(skal): we could align the y/u/v planes and adjust stride. + picture->y = mem; + mem += y_size; + + picture->u = mem; + mem += uv_size; + picture->v = mem; + mem += uv_size; + + if (a_size > 0) { + picture->a = mem; + mem += a_size; + } + (void)mem; // makes the static analyzer happy + return 1; +} + +int WebPPictureAlloc(WebPPicture* picture) { + if (picture != NULL) { + WebPPictureFree(picture); // erase previous buffer + + if (!picture->use_argb) { + return WebPPictureAllocYUVA(picture); + } else { + return WebPPictureAllocARGB(picture); + } + } + return 1; +} + +void WebPPictureFree(WebPPicture* picture) { + if (picture != NULL) { + WebPSafeFree(picture->memory_); + WebPSafeFree(picture->memory_argb_); + WebPPictureResetBuffers(picture); + } +} + +//------------------------------------------------------------------------------ +// WebPMemoryWriter: Write-to-memory + +void WebPMemoryWriterInit(WebPMemoryWriter* writer) { + writer->mem = NULL; + writer->size = 0; + writer->max_size = 0; +} + +int WebPMemoryWrite(const uint8_t* data, size_t data_size, + const WebPPicture* picture) { + WebPMemoryWriter* const w = (WebPMemoryWriter*)picture->custom_ptr; + uint64_t next_size; + if (w == NULL) { + return 1; + } + next_size = (uint64_t)w->size + data_size; + if (next_size > w->max_size) { + uint8_t* new_mem; + uint64_t next_max_size = 2ULL * w->max_size; + if (next_max_size < next_size) next_max_size = next_size; + if (next_max_size < 8192ULL) next_max_size = 8192ULL; + new_mem = (uint8_t*)WebPSafeMalloc(next_max_size, 1); + if (new_mem == NULL) { + return 0; + } + if (w->size > 0) { + memcpy(new_mem, w->mem, w->size); + } + WebPSafeFree(w->mem); + w->mem = new_mem; + // down-cast is ok, thanks to WebPSafeMalloc + w->max_size = (size_t)next_max_size; + } + if (data_size > 0) { + memcpy(w->mem + w->size, data, data_size); + w->size += data_size; + } + return 1; +} + +void WebPMemoryWriterClear(WebPMemoryWriter* writer) { + if (writer != NULL) { + WebPSafeFree(writer->mem); + writer->mem = NULL; + writer->size = 0; + writer->max_size = 0; + } +} + +//------------------------------------------------------------------------------ +// Simplest high-level calls: + +typedef int (*Importer)(WebPPicture* const, const uint8_t* const, int); + +static size_t Encode(const uint8_t* rgba, int width, int height, int stride, + Importer import, float quality_factor, int lossless, + uint8_t** output) { + WebPPicture pic; + WebPConfig config; + WebPMemoryWriter wrt; + int ok; + + if (output == NULL) return 0; + + if (!WebPConfigPreset(&config, WEBP_PRESET_DEFAULT, quality_factor) || + !WebPPictureInit(&pic)) { + return 0; // shouldn't happen, except if system installation is broken + } + + config.lossless = !!lossless; + pic.use_argb = !!lossless; + pic.width = width; + pic.height = height; + pic.writer = WebPMemoryWrite; + pic.custom_ptr = &wrt; + WebPMemoryWriterInit(&wrt); + + ok = import(&pic, rgba, stride) && WebPEncode(&config, &pic); + WebPPictureFree(&pic); + if (!ok) { + WebPMemoryWriterClear(&wrt); + *output = NULL; + return 0; + } + *output = wrt.mem; + return wrt.size; +} + +#define ENCODE_FUNC(NAME, IMPORTER) \ +size_t NAME(const uint8_t* in, int w, int h, int bps, float q, \ + uint8_t** out) { \ + return Encode(in, w, h, bps, IMPORTER, q, 0, out); \ +} + +ENCODE_FUNC(WebPEncodeRGB, WebPPictureImportRGB) +ENCODE_FUNC(WebPEncodeRGBA, WebPPictureImportRGBA) +#if !defined(WEBP_REDUCE_CSP) +ENCODE_FUNC(WebPEncodeBGR, WebPPictureImportBGR) +ENCODE_FUNC(WebPEncodeBGRA, WebPPictureImportBGRA) +#endif // WEBP_REDUCE_CSP + +#undef ENCODE_FUNC + +#define LOSSLESS_DEFAULT_QUALITY 70. +#define LOSSLESS_ENCODE_FUNC(NAME, IMPORTER) \ +size_t NAME(const uint8_t* in, int w, int h, int bps, uint8_t** out) { \ + return Encode(in, w, h, bps, IMPORTER, LOSSLESS_DEFAULT_QUALITY, 1, out); \ +} + +LOSSLESS_ENCODE_FUNC(WebPEncodeLosslessRGB, WebPPictureImportRGB) +LOSSLESS_ENCODE_FUNC(WebPEncodeLosslessRGBA, WebPPictureImportRGBA) +#if !defined(WEBP_REDUCE_CSP) +LOSSLESS_ENCODE_FUNC(WebPEncodeLosslessBGR, WebPPictureImportBGR) +LOSSLESS_ENCODE_FUNC(WebPEncodeLosslessBGRA, WebPPictureImportBGRA) +#endif // WEBP_REDUCE_CSP + +#undef LOSSLESS_ENCODE_FUNC + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/enc/picture_psnr_enc.c b/ProductApp/Pods/libwebp/src/enc/picture_psnr_enc.c new file mode 100644 index 0000000..1a2f0be --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/picture_psnr_enc.c @@ -0,0 +1,258 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// WebPPicture tools for measuring distortion +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/webp/encode.h" + +#if !(defined(WEBP_DISABLE_STATS) || defined(WEBP_REDUCE_SIZE)) + +#include +#include + +#include "src/dsp/dsp.h" +#include "src/enc/vp8i_enc.h" +#include "src/utils/utils.h" + +typedef double (*AccumulateFunc)(const uint8_t* src, int src_stride, + const uint8_t* ref, int ref_stride, + int w, int h); + +//------------------------------------------------------------------------------ +// local-min distortion +// +// For every pixel in the *reference* picture, we search for the local best +// match in the compressed image. This is not a symmetrical measure. + +#define RADIUS 2 // search radius. Shouldn't be too large. + +static double AccumulateLSIM(const uint8_t* src, int src_stride, + const uint8_t* ref, int ref_stride, + int w, int h) { + int x, y; + double total_sse = 0.; + for (y = 0; y < h; ++y) { + const int y_0 = (y - RADIUS < 0) ? 0 : y - RADIUS; + const int y_1 = (y + RADIUS + 1 >= h) ? h : y + RADIUS + 1; + for (x = 0; x < w; ++x) { + const int x_0 = (x - RADIUS < 0) ? 0 : x - RADIUS; + const int x_1 = (x + RADIUS + 1 >= w) ? w : x + RADIUS + 1; + double best_sse = 255. * 255.; + const double value = (double)ref[y * ref_stride + x]; + int i, j; + for (j = y_0; j < y_1; ++j) { + const uint8_t* const s = src + j * src_stride; + for (i = x_0; i < x_1; ++i) { + const double diff = s[i] - value; + const double sse = diff * diff; + if (sse < best_sse) best_sse = sse; + } + } + total_sse += best_sse; + } + } + return total_sse; +} +#undef RADIUS + +static double AccumulateSSE(const uint8_t* src, int src_stride, + const uint8_t* ref, int ref_stride, + int w, int h) { + int y; + double total_sse = 0.; + for (y = 0; y < h; ++y) { + total_sse += VP8AccumulateSSE(src, ref, w); + src += src_stride; + ref += ref_stride; + } + return total_sse; +} + +//------------------------------------------------------------------------------ + +static double AccumulateSSIM(const uint8_t* src, int src_stride, + const uint8_t* ref, int ref_stride, + int w, int h) { + const int w0 = (w < VP8_SSIM_KERNEL) ? w : VP8_SSIM_KERNEL; + const int w1 = w - VP8_SSIM_KERNEL - 1; + const int h0 = (h < VP8_SSIM_KERNEL) ? h : VP8_SSIM_KERNEL; + const int h1 = h - VP8_SSIM_KERNEL - 1; + int x, y; + double sum = 0.; + for (y = 0; y < h0; ++y) { + for (x = 0; x < w; ++x) { + sum += VP8SSIMGetClipped(src, src_stride, ref, ref_stride, x, y, w, h); + } + } + for (; y < h1; ++y) { + for (x = 0; x < w0; ++x) { + sum += VP8SSIMGetClipped(src, src_stride, ref, ref_stride, x, y, w, h); + } + for (; x < w1; ++x) { + const int off1 = x - VP8_SSIM_KERNEL + (y - VP8_SSIM_KERNEL) * src_stride; + const int off2 = x - VP8_SSIM_KERNEL + (y - VP8_SSIM_KERNEL) * ref_stride; + sum += VP8SSIMGet(src + off1, src_stride, ref + off2, ref_stride); + } + for (; x < w; ++x) { + sum += VP8SSIMGetClipped(src, src_stride, ref, ref_stride, x, y, w, h); + } + } + for (; y < h; ++y) { + for (x = 0; x < w; ++x) { + sum += VP8SSIMGetClipped(src, src_stride, ref, ref_stride, x, y, w, h); + } + } + return sum; +} + +//------------------------------------------------------------------------------ +// Distortion + +// Max value returned in case of exact similarity. +static const double kMinDistortion_dB = 99.; + +static double GetPSNR(double v, double size) { + return (v > 0. && size > 0.) ? -4.3429448 * log(v / (size * 255 * 255.)) + : kMinDistortion_dB; +} + +static double GetLogSSIM(double v, double size) { + v = (size > 0.) ? v / size : 1.; + return (v < 1.) ? -10.0 * log10(1. - v) : kMinDistortion_dB; +} + +int WebPPlaneDistortion(const uint8_t* src, size_t src_stride, + const uint8_t* ref, size_t ref_stride, + int width, int height, size_t x_step, + int type, float* distortion, float* result) { + uint8_t* allocated = NULL; + const AccumulateFunc metric = (type == 0) ? AccumulateSSE : + (type == 1) ? AccumulateSSIM : + AccumulateLSIM; + if (src == NULL || ref == NULL || + src_stride < x_step * width || ref_stride < x_step * width || + result == NULL || distortion == NULL) { + return 0; + } + + VP8SSIMDspInit(); + if (x_step != 1) { // extract a packed plane if needed + int x, y; + uint8_t* tmp1; + uint8_t* tmp2; + allocated = + (uint8_t*)WebPSafeMalloc(2ULL * width * height, sizeof(*allocated)); + if (allocated == NULL) return 0; + tmp1 = allocated; + tmp2 = tmp1 + (size_t)width * height; + for (y = 0; y < height; ++y) { + for (x = 0; x < width; ++x) { + tmp1[x + y * width] = src[x * x_step + y * src_stride]; + tmp2[x + y * width] = ref[x * x_step + y * ref_stride]; + } + } + src = tmp1; + ref = tmp2; + } + *distortion = (float)metric(src, width, ref, width, width, height); + WebPSafeFree(allocated); + + *result = (type == 1) ? (float)GetLogSSIM(*distortion, (double)width * height) + : (float)GetPSNR(*distortion, (double)width * height); + return 1; +} + +#ifdef WORDS_BIGENDIAN +#define BLUE_OFFSET 3 // uint32_t 0x000000ff is 0x00,00,00,ff in memory +#else +#define BLUE_OFFSET 0 // uint32_t 0x000000ff is 0xff,00,00,00 in memory +#endif + +int WebPPictureDistortion(const WebPPicture* src, const WebPPicture* ref, + int type, float results[5]) { + int w, h, c; + int ok = 0; + WebPPicture p0, p1; + double total_size = 0., total_distortion = 0.; + if (src == NULL || ref == NULL || + src->width != ref->width || src->height != ref->height || + results == NULL) { + return 0; + } + + VP8SSIMDspInit(); + if (!WebPPictureInit(&p0) || !WebPPictureInit(&p1)) return 0; + w = src->width; + h = src->height; + if (!WebPPictureView(src, 0, 0, w, h, &p0)) goto Error; + if (!WebPPictureView(ref, 0, 0, w, h, &p1)) goto Error; + + // We always measure distortion in ARGB space. + if (p0.use_argb == 0 && !WebPPictureYUVAToARGB(&p0)) goto Error; + if (p1.use_argb == 0 && !WebPPictureYUVAToARGB(&p1)) goto Error; + for (c = 0; c < 4; ++c) { + float distortion; + const size_t stride0 = 4 * (size_t)p0.argb_stride; + const size_t stride1 = 4 * (size_t)p1.argb_stride; + // results are reported as BGRA + const int offset = c ^ BLUE_OFFSET; + if (!WebPPlaneDistortion((const uint8_t*)p0.argb + offset, stride0, + (const uint8_t*)p1.argb + offset, stride1, + w, h, 4, type, &distortion, results + c)) { + goto Error; + } + total_distortion += distortion; + total_size += w * h; + } + + results[4] = (type == 1) ? (float)GetLogSSIM(total_distortion, total_size) + : (float)GetPSNR(total_distortion, total_size); + ok = 1; + + Error: + WebPPictureFree(&p0); + WebPPictureFree(&p1); + return ok; +} + +#undef BLUE_OFFSET + +#else // defined(WEBP_DISABLE_STATS) +int WebPPlaneDistortion(const uint8_t* src, size_t src_stride, + const uint8_t* ref, size_t ref_stride, + int width, int height, size_t x_step, + int type, float* distortion, float* result) { + (void)src; + (void)src_stride; + (void)ref; + (void)ref_stride; + (void)width; + (void)height; + (void)x_step; + (void)type; + if (distortion == NULL || result == NULL) return 0; + *distortion = 0.f; + *result = 0.f; + return 1; +} + +int WebPPictureDistortion(const WebPPicture* src, const WebPPicture* ref, + int type, float results[5]) { + int i; + (void)src; + (void)ref; + (void)type; + if (results == NULL) return 0; + for (i = 0; i < 5; ++i) results[i] = 0.f; + return 1; +} + +#endif // !defined(WEBP_DISABLE_STATS) diff --git a/ProductApp/Pods/libwebp/src/enc/picture_rescale_enc.c b/ProductApp/Pods/libwebp/src/enc/picture_rescale_enc.c new file mode 100644 index 0000000..ea90d82 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/picture_rescale_enc.c @@ -0,0 +1,304 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// WebPPicture tools: copy, crop, rescaling and view. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/webp/encode.h" + +#include +#include + +#include "src/enc/vp8i_enc.h" + +#if !defined(WEBP_REDUCE_SIZE) +#include "src/utils/rescaler_utils.h" +#include "src/utils/utils.h" +#endif // !defined(WEBP_REDUCE_SIZE) + +#define HALVE(x) (((x) + 1) >> 1) + +// Grab the 'specs' (writer, *opaque, width, height...) from 'src' and copy them +// into 'dst'. Mark 'dst' as not owning any memory. +static void PictureGrabSpecs(const WebPPicture* const src, + WebPPicture* const dst) { + assert(src != NULL && dst != NULL); + *dst = *src; + WebPPictureResetBuffers(dst); +} + +//------------------------------------------------------------------------------ + +// Adjust top-left corner to chroma sample position. +static void SnapTopLeftPosition(const WebPPicture* const pic, + int* const left, int* const top) { + if (!pic->use_argb) { + *left &= ~1; + *top &= ~1; + } +} + +// Adjust top-left corner and verify that the sub-rectangle is valid. +static int AdjustAndCheckRectangle(const WebPPicture* const pic, + int* const left, int* const top, + int width, int height) { + SnapTopLeftPosition(pic, left, top); + if ((*left) < 0 || (*top) < 0) return 0; + if (width <= 0 || height <= 0) return 0; + if ((*left) + width > pic->width) return 0; + if ((*top) + height > pic->height) return 0; + return 1; +} + +#if !defined(WEBP_REDUCE_SIZE) +int WebPPictureCopy(const WebPPicture* src, WebPPicture* dst) { + if (src == NULL || dst == NULL) return 0; + if (src == dst) return 1; + + PictureGrabSpecs(src, dst); + if (!WebPPictureAlloc(dst)) return 0; + + if (!src->use_argb) { + WebPCopyPlane(src->y, src->y_stride, + dst->y, dst->y_stride, dst->width, dst->height); + WebPCopyPlane(src->u, src->uv_stride, dst->u, dst->uv_stride, + HALVE(dst->width), HALVE(dst->height)); + WebPCopyPlane(src->v, src->uv_stride, dst->v, dst->uv_stride, + HALVE(dst->width), HALVE(dst->height)); + if (dst->a != NULL) { + WebPCopyPlane(src->a, src->a_stride, + dst->a, dst->a_stride, dst->width, dst->height); + } + } else { + WebPCopyPlane((const uint8_t*)src->argb, 4 * src->argb_stride, + (uint8_t*)dst->argb, 4 * dst->argb_stride, + 4 * dst->width, dst->height); + } + return 1; +} +#endif // !defined(WEBP_REDUCE_SIZE) + +int WebPPictureIsView(const WebPPicture* picture) { + if (picture == NULL) return 0; + if (picture->use_argb) { + return (picture->memory_argb_ == NULL); + } + return (picture->memory_ == NULL); +} + +int WebPPictureView(const WebPPicture* src, + int left, int top, int width, int height, + WebPPicture* dst) { + if (src == NULL || dst == NULL) return 0; + + // verify rectangle position. + if (!AdjustAndCheckRectangle(src, &left, &top, width, height)) return 0; + + if (src != dst) { // beware of aliasing! We don't want to leak 'memory_'. + PictureGrabSpecs(src, dst); + } + dst->width = width; + dst->height = height; + if (!src->use_argb) { + dst->y = src->y + top * src->y_stride + left; + dst->u = src->u + (top >> 1) * src->uv_stride + (left >> 1); + dst->v = src->v + (top >> 1) * src->uv_stride + (left >> 1); + dst->y_stride = src->y_stride; + dst->uv_stride = src->uv_stride; + if (src->a != NULL) { + dst->a = src->a + top * src->a_stride + left; + dst->a_stride = src->a_stride; + } + } else { + dst->argb = src->argb + top * src->argb_stride + left; + dst->argb_stride = src->argb_stride; + } + return 1; +} + +#if !defined(WEBP_REDUCE_SIZE) +//------------------------------------------------------------------------------ +// Picture cropping + +int WebPPictureCrop(WebPPicture* pic, + int left, int top, int width, int height) { + WebPPicture tmp; + + if (pic == NULL) return 0; + if (!AdjustAndCheckRectangle(pic, &left, &top, width, height)) return 0; + + PictureGrabSpecs(pic, &tmp); + tmp.width = width; + tmp.height = height; + if (!WebPPictureAlloc(&tmp)) { + return WebPEncodingSetError(pic, tmp.error_code); + } + + if (!pic->use_argb) { + const int y_offset = top * pic->y_stride + left; + const int uv_offset = (top / 2) * pic->uv_stride + left / 2; + WebPCopyPlane(pic->y + y_offset, pic->y_stride, + tmp.y, tmp.y_stride, width, height); + WebPCopyPlane(pic->u + uv_offset, pic->uv_stride, + tmp.u, tmp.uv_stride, HALVE(width), HALVE(height)); + WebPCopyPlane(pic->v + uv_offset, pic->uv_stride, + tmp.v, tmp.uv_stride, HALVE(width), HALVE(height)); + + if (tmp.a != NULL) { + const int a_offset = top * pic->a_stride + left; + WebPCopyPlane(pic->a + a_offset, pic->a_stride, + tmp.a, tmp.a_stride, width, height); + } + } else { + const uint8_t* const src = + (const uint8_t*)(pic->argb + top * pic->argb_stride + left); + WebPCopyPlane(src, pic->argb_stride * 4, (uint8_t*)tmp.argb, + tmp.argb_stride * 4, width * 4, height); + } + WebPPictureFree(pic); + *pic = tmp; + return 1; +} + +//------------------------------------------------------------------------------ +// Simple picture rescaler + +static int RescalePlane(const uint8_t* src, + int src_width, int src_height, int src_stride, + uint8_t* dst, + int dst_width, int dst_height, int dst_stride, + rescaler_t* const work, + int num_channels) { + WebPRescaler rescaler; + int y = 0; + if (!WebPRescalerInit(&rescaler, src_width, src_height, + dst, dst_width, dst_height, dst_stride, + num_channels, work)) { + return 0; + } + while (y < src_height) { + y += WebPRescalerImport(&rescaler, src_height - y, + src + y * src_stride, src_stride); + WebPRescalerExport(&rescaler); + } + return 1; +} + +static void AlphaMultiplyARGB(WebPPicture* const pic, int inverse) { + assert(pic->argb != NULL); + WebPMultARGBRows((uint8_t*)pic->argb, pic->argb_stride * sizeof(*pic->argb), + pic->width, pic->height, inverse); +} + +static void AlphaMultiplyY(WebPPicture* const pic, int inverse) { + if (pic->a != NULL) { + WebPMultRows(pic->y, pic->y_stride, pic->a, pic->a_stride, + pic->width, pic->height, inverse); + } +} + +int WebPPictureRescale(WebPPicture* picture, int width, int height) { + WebPPicture tmp; + int prev_width, prev_height; + rescaler_t* work; + + if (picture == NULL) return 0; + prev_width = picture->width; + prev_height = picture->height; + if (!WebPRescalerGetScaledDimensions( + prev_width, prev_height, &width, &height)) { + return WebPEncodingSetError(picture, VP8_ENC_ERROR_BAD_DIMENSION); + } + + PictureGrabSpecs(picture, &tmp); + tmp.width = width; + tmp.height = height; + if (!WebPPictureAlloc(&tmp)) { + return WebPEncodingSetError(picture, tmp.error_code); + } + + if (!picture->use_argb) { + work = (rescaler_t*)WebPSafeMalloc(2ULL * width, sizeof(*work)); + if (work == NULL) { + WebPPictureFree(&tmp); + return WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + // If present, we need to rescale alpha first (for AlphaMultiplyY). + if (picture->a != NULL) { + WebPInitAlphaProcessing(); + if (!RescalePlane(picture->a, prev_width, prev_height, picture->a_stride, + tmp.a, width, height, tmp.a_stride, work, 1)) { + return WebPEncodingSetError(picture, VP8_ENC_ERROR_BAD_DIMENSION); + } + } + + // We take transparency into account on the luma plane only. That's not + // totally exact blending, but still is a good approximation. + AlphaMultiplyY(picture, 0); + if (!RescalePlane(picture->y, prev_width, prev_height, picture->y_stride, + tmp.y, width, height, tmp.y_stride, work, 1) || + !RescalePlane(picture->u, HALVE(prev_width), HALVE(prev_height), + picture->uv_stride, tmp.u, HALVE(width), HALVE(height), + tmp.uv_stride, work, 1) || + !RescalePlane(picture->v, HALVE(prev_width), HALVE(prev_height), + picture->uv_stride, tmp.v, HALVE(width), HALVE(height), + tmp.uv_stride, work, 1)) { + return WebPEncodingSetError(picture, VP8_ENC_ERROR_BAD_DIMENSION); + } + AlphaMultiplyY(&tmp, 1); + } else { + work = (rescaler_t*)WebPSafeMalloc(2ULL * width * 4, sizeof(*work)); + if (work == NULL) { + WebPPictureFree(&tmp); + return WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + // In order to correctly interpolate colors, we need to apply the alpha + // weighting first (black-matting), scale the RGB values, and remove + // the premultiplication afterward (while preserving the alpha channel). + WebPInitAlphaProcessing(); + AlphaMultiplyARGB(picture, 0); + if (!RescalePlane((const uint8_t*)picture->argb, prev_width, prev_height, + picture->argb_stride * 4, (uint8_t*)tmp.argb, width, + height, tmp.argb_stride * 4, work, 4)) { + return WebPEncodingSetError(picture, VP8_ENC_ERROR_BAD_DIMENSION); + } + AlphaMultiplyARGB(&tmp, 1); + } + WebPPictureFree(picture); + WebPSafeFree(work); + *picture = tmp; + return 1; +} + +#else // defined(WEBP_REDUCE_SIZE) + +int WebPPictureCopy(const WebPPicture* src, WebPPicture* dst) { + (void)src; + (void)dst; + return 0; +} + +int WebPPictureCrop(WebPPicture* pic, + int left, int top, int width, int height) { + (void)pic; + (void)left; + (void)top; + (void)width; + (void)height; + return 0; +} + +int WebPPictureRescale(WebPPicture* pic, int width, int height) { + (void)pic; + (void)width; + (void)height; + return 0; +} +#endif // !defined(WEBP_REDUCE_SIZE) diff --git a/ProductApp/Pods/libwebp/src/enc/picture_tools_enc.c b/ProductApp/Pods/libwebp/src/enc/picture_tools_enc.c new file mode 100644 index 0000000..147cc18 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/picture_tools_enc.c @@ -0,0 +1,274 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// WebPPicture tools: alpha handling, etc. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include + +#include "src/enc/vp8i_enc.h" +#include "src/dsp/yuv.h" + +//------------------------------------------------------------------------------ +// Helper: clean up fully transparent area to help compressibility. + +#define SIZE 8 +#define SIZE2 (SIZE / 2) +static int IsTransparentARGBArea(const uint32_t* ptr, int stride, int size) { + int y, x; + for (y = 0; y < size; ++y) { + for (x = 0; x < size; ++x) { + if (ptr[x] & 0xff000000u) { + return 0; + } + } + ptr += stride; + } + return 1; +} + +static void Flatten(uint8_t* ptr, int v, int stride, int size) { + int y; + for (y = 0; y < size; ++y) { + memset(ptr, v, size); + ptr += stride; + } +} + +static void FlattenARGB(uint32_t* ptr, uint32_t v, int stride, int size) { + int x, y; + for (y = 0; y < size; ++y) { + for (x = 0; x < size; ++x) ptr[x] = v; + ptr += stride; + } +} + +// Smoothen the luma components of transparent pixels. Return true if the whole +// block is transparent. +static int SmoothenBlock(const uint8_t* a_ptr, int a_stride, uint8_t* y_ptr, + int y_stride, int width, int height) { + int sum = 0, count = 0; + int x, y; + const uint8_t* alpha_ptr = a_ptr; + uint8_t* luma_ptr = y_ptr; + for (y = 0; y < height; ++y) { + for (x = 0; x < width; ++x) { + if (alpha_ptr[x] != 0) { + ++count; + sum += luma_ptr[x]; + } + } + alpha_ptr += a_stride; + luma_ptr += y_stride; + } + if (count > 0 && count < width * height) { + const uint8_t avg_u8 = (uint8_t)(sum / count); + alpha_ptr = a_ptr; + luma_ptr = y_ptr; + for (y = 0; y < height; ++y) { + for (x = 0; x < width; ++x) { + if (alpha_ptr[x] == 0) luma_ptr[x] = avg_u8; + } + alpha_ptr += a_stride; + luma_ptr += y_stride; + } + } + return (count == 0); +} + +void WebPReplaceTransparentPixels(WebPPicture* const pic, uint32_t color) { + if (pic != NULL && pic->use_argb) { + int y = pic->height; + uint32_t* argb = pic->argb; + color &= 0xffffffu; // force alpha=0 + WebPInitAlphaProcessing(); + while (y-- > 0) { + WebPAlphaReplace(argb, pic->width, color); + argb += pic->argb_stride; + } + } +} + +void WebPCleanupTransparentArea(WebPPicture* pic) { + int x, y, w, h; + if (pic == NULL) return; + w = pic->width / SIZE; + h = pic->height / SIZE; + + // note: we ignore the left-overs on right/bottom, except for SmoothenBlock(). + if (pic->use_argb) { + uint32_t argb_value = 0; + for (y = 0; y < h; ++y) { + int need_reset = 1; + for (x = 0; x < w; ++x) { + const int off = (y * pic->argb_stride + x) * SIZE; + if (IsTransparentARGBArea(pic->argb + off, pic->argb_stride, SIZE)) { + if (need_reset) { + argb_value = pic->argb[off]; + need_reset = 0; + } + FlattenARGB(pic->argb + off, argb_value, pic->argb_stride, SIZE); + } else { + need_reset = 1; + } + } + } + } else { + const int width = pic->width; + const int height = pic->height; + const int y_stride = pic->y_stride; + const int uv_stride = pic->uv_stride; + const int a_stride = pic->a_stride; + uint8_t* y_ptr = pic->y; + uint8_t* u_ptr = pic->u; + uint8_t* v_ptr = pic->v; + const uint8_t* a_ptr = pic->a; + int values[3] = { 0 }; + if (a_ptr == NULL || y_ptr == NULL || u_ptr == NULL || v_ptr == NULL) { + return; + } + for (y = 0; y + SIZE <= height; y += SIZE) { + int need_reset = 1; + for (x = 0; x + SIZE <= width; x += SIZE) { + if (SmoothenBlock(a_ptr + x, a_stride, y_ptr + x, y_stride, + SIZE, SIZE)) { + if (need_reset) { + values[0] = y_ptr[x]; + values[1] = u_ptr[x >> 1]; + values[2] = v_ptr[x >> 1]; + need_reset = 0; + } + Flatten(y_ptr + x, values[0], y_stride, SIZE); + Flatten(u_ptr + (x >> 1), values[1], uv_stride, SIZE2); + Flatten(v_ptr + (x >> 1), values[2], uv_stride, SIZE2); + } else { + need_reset = 1; + } + } + if (x < width) { + SmoothenBlock(a_ptr + x, a_stride, y_ptr + x, y_stride, + width - x, SIZE); + } + a_ptr += SIZE * a_stride; + y_ptr += SIZE * y_stride; + u_ptr += SIZE2 * uv_stride; + v_ptr += SIZE2 * uv_stride; + } + if (y < height) { + const int sub_height = height - y; + for (x = 0; x + SIZE <= width; x += SIZE) { + SmoothenBlock(a_ptr + x, a_stride, y_ptr + x, y_stride, + SIZE, sub_height); + } + if (x < width) { + SmoothenBlock(a_ptr + x, a_stride, y_ptr + x, y_stride, + width - x, sub_height); + } + } + } +} + +#undef SIZE +#undef SIZE2 + +//------------------------------------------------------------------------------ +// Blend color and remove transparency info + +#define BLEND(V0, V1, ALPHA) \ + ((((V0) * (255 - (ALPHA)) + (V1) * (ALPHA)) * 0x101 + 256) >> 16) +#define BLEND_10BIT(V0, V1, ALPHA) \ + ((((V0) * (1020 - (ALPHA)) + (V1) * (ALPHA)) * 0x101 + 1024) >> 18) + +static WEBP_INLINE uint32_t MakeARGB32(int r, int g, int b) { + return (0xff000000u | (r << 16) | (g << 8) | b); +} + +void WebPBlendAlpha(WebPPicture* picture, uint32_t background_rgb) { + const int red = (background_rgb >> 16) & 0xff; + const int green = (background_rgb >> 8) & 0xff; + const int blue = (background_rgb >> 0) & 0xff; + int x, y; + if (picture == NULL) return; + if (!picture->use_argb) { + // omit last pixel during u/v loop + const int uv_width = (picture->width >> 1); + const int Y0 = VP8RGBToY(red, green, blue, YUV_HALF); + // VP8RGBToU/V expects the u/v values summed over four pixels + const int U0 = VP8RGBToU(4 * red, 4 * green, 4 * blue, 4 * YUV_HALF); + const int V0 = VP8RGBToV(4 * red, 4 * green, 4 * blue, 4 * YUV_HALF); + const int has_alpha = picture->colorspace & WEBP_CSP_ALPHA_BIT; + uint8_t* y_ptr = picture->y; + uint8_t* u_ptr = picture->u; + uint8_t* v_ptr = picture->v; + uint8_t* a_ptr = picture->a; + if (!has_alpha || a_ptr == NULL) return; // nothing to do + for (y = 0; y < picture->height; ++y) { + // Luma blending + for (x = 0; x < picture->width; ++x) { + const uint8_t alpha = a_ptr[x]; + if (alpha < 0xff) { + y_ptr[x] = BLEND(Y0, y_ptr[x], alpha); + } + } + // Chroma blending every even line + if ((y & 1) == 0) { + uint8_t* const a_ptr2 = + (y + 1 == picture->height) ? a_ptr : a_ptr + picture->a_stride; + for (x = 0; x < uv_width; ++x) { + // Average four alpha values into a single blending weight. + // TODO(skal): might lead to visible contouring. Can we do better? + const uint32_t alpha = + a_ptr[2 * x + 0] + a_ptr[2 * x + 1] + + a_ptr2[2 * x + 0] + a_ptr2[2 * x + 1]; + u_ptr[x] = BLEND_10BIT(U0, u_ptr[x], alpha); + v_ptr[x] = BLEND_10BIT(V0, v_ptr[x], alpha); + } + if (picture->width & 1) { // rightmost pixel + const uint32_t alpha = 2 * (a_ptr[2 * x + 0] + a_ptr2[2 * x + 0]); + u_ptr[x] = BLEND_10BIT(U0, u_ptr[x], alpha); + v_ptr[x] = BLEND_10BIT(V0, v_ptr[x], alpha); + } + } else { + u_ptr += picture->uv_stride; + v_ptr += picture->uv_stride; + } + memset(a_ptr, 0xff, picture->width); // reset alpha value to opaque + a_ptr += picture->a_stride; + y_ptr += picture->y_stride; + } + } else { + uint32_t* argb = picture->argb; + const uint32_t background = MakeARGB32(red, green, blue); + for (y = 0; y < picture->height; ++y) { + for (x = 0; x < picture->width; ++x) { + const int alpha = (argb[x] >> 24) & 0xff; + if (alpha != 0xff) { + if (alpha > 0) { + int r = (argb[x] >> 16) & 0xff; + int g = (argb[x] >> 8) & 0xff; + int b = (argb[x] >> 0) & 0xff; + r = BLEND(red, r, alpha); + g = BLEND(green, g, alpha); + b = BLEND(blue, b, alpha); + argb[x] = MakeARGB32(r, g, b); + } else { + argb[x] = background; + } + } + } + argb += picture->argb_stride; + } + } +} + +#undef BLEND +#undef BLEND_10BIT + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/enc/predictor_enc.c b/ProductApp/Pods/libwebp/src/enc/predictor_enc.c new file mode 100644 index 0000000..b3d44b5 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/predictor_enc.c @@ -0,0 +1,792 @@ +// Copyright 2016 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Image transform methods for lossless encoder. +// +// Authors: Vikas Arora (vikaas.arora@gmail.com) +// Jyrki Alakuijala (jyrki@google.com) +// Urvang Joshi (urvang@google.com) +// Vincent Rabaud (vrabaud@google.com) + +#include "src/dsp/lossless.h" +#include "src/dsp/lossless_common.h" +#include "src/enc/vp8i_enc.h" +#include "src/enc/vp8li_enc.h" + +#define MAX_DIFF_COST (1e30f) + +static const float kSpatialPredictorBias = 15.f; +static const int kPredLowEffort = 11; +static const uint32_t kMaskAlpha = 0xff000000; + +// Mostly used to reduce code size + readability +static WEBP_INLINE int GetMin(int a, int b) { return (a > b) ? b : a; } + +//------------------------------------------------------------------------------ +// Methods to calculate Entropy (Shannon). + +static float PredictionCostSpatial(const int counts[256], int weight_0, + float exp_val) { + const int significant_symbols = 256 >> 4; + const float exp_decay_factor = 0.6f; + float bits = (float)weight_0 * counts[0]; + int i; + for (i = 1; i < significant_symbols; ++i) { + bits += exp_val * (counts[i] + counts[256 - i]); + exp_val *= exp_decay_factor; + } + return (float)(-0.1 * bits); +} + +static float PredictionCostSpatialHistogram(const int accumulated[4][256], + const int tile[4][256]) { + int i; + float retval = 0.f; + for (i = 0; i < 4; ++i) { + const float kExpValue = 0.94f; + retval += PredictionCostSpatial(tile[i], 1, kExpValue); + retval += VP8LCombinedShannonEntropy(tile[i], accumulated[i]); + } + return (float)retval; +} + +static WEBP_INLINE void UpdateHisto(int histo_argb[4][256], uint32_t argb) { + ++histo_argb[0][argb >> 24]; + ++histo_argb[1][(argb >> 16) & 0xff]; + ++histo_argb[2][(argb >> 8) & 0xff]; + ++histo_argb[3][argb & 0xff]; +} + +//------------------------------------------------------------------------------ +// Spatial transform functions. + +static WEBP_INLINE void PredictBatch(int mode, int x_start, int y, + int num_pixels, const uint32_t* current, + const uint32_t* upper, uint32_t* out) { + if (x_start == 0) { + if (y == 0) { + // ARGB_BLACK. + VP8LPredictorsSub[0](current, NULL, 1, out); + } else { + // Top one. + VP8LPredictorsSub[2](current, upper, 1, out); + } + ++x_start; + ++out; + --num_pixels; + } + if (y == 0) { + // Left one. + VP8LPredictorsSub[1](current + x_start, NULL, num_pixels, out); + } else { + VP8LPredictorsSub[mode](current + x_start, upper + x_start, num_pixels, + out); + } +} + +#if (WEBP_NEAR_LOSSLESS == 1) +static WEBP_INLINE int GetMax(int a, int b) { return (a < b) ? b : a; } + +static int MaxDiffBetweenPixels(uint32_t p1, uint32_t p2) { + const int diff_a = abs((int)(p1 >> 24) - (int)(p2 >> 24)); + const int diff_r = abs((int)((p1 >> 16) & 0xff) - (int)((p2 >> 16) & 0xff)); + const int diff_g = abs((int)((p1 >> 8) & 0xff) - (int)((p2 >> 8) & 0xff)); + const int diff_b = abs((int)(p1 & 0xff) - (int)(p2 & 0xff)); + return GetMax(GetMax(diff_a, diff_r), GetMax(diff_g, diff_b)); +} + +static int MaxDiffAroundPixel(uint32_t current, uint32_t up, uint32_t down, + uint32_t left, uint32_t right) { + const int diff_up = MaxDiffBetweenPixels(current, up); + const int diff_down = MaxDiffBetweenPixels(current, down); + const int diff_left = MaxDiffBetweenPixels(current, left); + const int diff_right = MaxDiffBetweenPixels(current, right); + return GetMax(GetMax(diff_up, diff_down), GetMax(diff_left, diff_right)); +} + +static uint32_t AddGreenToBlueAndRed(uint32_t argb) { + const uint32_t green = (argb >> 8) & 0xff; + uint32_t red_blue = argb & 0x00ff00ffu; + red_blue += (green << 16) | green; + red_blue &= 0x00ff00ffu; + return (argb & 0xff00ff00u) | red_blue; +} + +static void MaxDiffsForRow(int width, int stride, const uint32_t* const argb, + uint8_t* const max_diffs, int used_subtract_green) { + uint32_t current, up, down, left, right; + int x; + if (width <= 2) return; + current = argb[0]; + right = argb[1]; + if (used_subtract_green) { + current = AddGreenToBlueAndRed(current); + right = AddGreenToBlueAndRed(right); + } + // max_diffs[0] and max_diffs[width - 1] are never used. + for (x = 1; x < width - 1; ++x) { + up = argb[-stride + x]; + down = argb[stride + x]; + left = current; + current = right; + right = argb[x + 1]; + if (used_subtract_green) { + up = AddGreenToBlueAndRed(up); + down = AddGreenToBlueAndRed(down); + right = AddGreenToBlueAndRed(right); + } + max_diffs[x] = MaxDiffAroundPixel(current, up, down, left, right); + } +} + +// Quantize the difference between the actual component value and its prediction +// to a multiple of quantization, working modulo 256, taking care not to cross +// a boundary (inclusive upper limit). +static uint8_t NearLosslessComponent(uint8_t value, uint8_t predict, + uint8_t boundary, int quantization) { + const int residual = (value - predict) & 0xff; + const int boundary_residual = (boundary - predict) & 0xff; + const int lower = residual & ~(quantization - 1); + const int upper = lower + quantization; + // Resolve ties towards a value closer to the prediction (i.e. towards lower + // if value comes after prediction and towards upper otherwise). + const int bias = ((boundary - value) & 0xff) < boundary_residual; + if (residual - lower < upper - residual + bias) { + // lower is closer to residual than upper. + if (residual > boundary_residual && lower <= boundary_residual) { + // Halve quantization step to avoid crossing boundary. This midpoint is + // on the same side of boundary as residual because midpoint >= residual + // (since lower is closer than upper) and residual is above the boundary. + return lower + (quantization >> 1); + } + return lower; + } else { + // upper is closer to residual than lower. + if (residual <= boundary_residual && upper > boundary_residual) { + // Halve quantization step to avoid crossing boundary. This midpoint is + // on the same side of boundary as residual because midpoint <= residual + // (since upper is closer than lower) and residual is below the boundary. + return lower + (quantization >> 1); + } + return upper & 0xff; + } +} + +static WEBP_INLINE uint8_t NearLosslessDiff(uint8_t a, uint8_t b) { + return (uint8_t)((((int)(a) - (int)(b))) & 0xff); +} + +// Quantize every component of the difference between the actual pixel value and +// its prediction to a multiple of a quantization (a power of 2, not larger than +// max_quantization which is a power of 2, smaller than max_diff). Take care if +// value and predict have undergone subtract green, which means that red and +// blue are represented as offsets from green. +static uint32_t NearLossless(uint32_t value, uint32_t predict, + int max_quantization, int max_diff, + int used_subtract_green) { + int quantization; + uint8_t new_green = 0; + uint8_t green_diff = 0; + uint8_t a, r, g, b; + if (max_diff <= 2) { + return VP8LSubPixels(value, predict); + } + quantization = max_quantization; + while (quantization >= max_diff) { + quantization >>= 1; + } + if ((value >> 24) == 0 || (value >> 24) == 0xff) { + // Preserve transparency of fully transparent or fully opaque pixels. + a = NearLosslessDiff((value >> 24) & 0xff, (predict >> 24) & 0xff); + } else { + a = NearLosslessComponent(value >> 24, predict >> 24, 0xff, quantization); + } + g = NearLosslessComponent((value >> 8) & 0xff, (predict >> 8) & 0xff, 0xff, + quantization); + if (used_subtract_green) { + // The green offset will be added to red and blue components during decoding + // to obtain the actual red and blue values. + new_green = ((predict >> 8) + g) & 0xff; + // The amount by which green has been adjusted during quantization. It is + // subtracted from red and blue for compensation, to avoid accumulating two + // quantization errors in them. + green_diff = NearLosslessDiff(new_green, (value >> 8) & 0xff); + } + r = NearLosslessComponent(NearLosslessDiff((value >> 16) & 0xff, green_diff), + (predict >> 16) & 0xff, 0xff - new_green, + quantization); + b = NearLosslessComponent(NearLosslessDiff(value & 0xff, green_diff), + predict & 0xff, 0xff - new_green, quantization); + return ((uint32_t)a << 24) | ((uint32_t)r << 16) | ((uint32_t)g << 8) | b; +} +#endif // (WEBP_NEAR_LOSSLESS == 1) + +// Stores the difference between the pixel and its prediction in "out". +// In case of a lossy encoding, updates the source image to avoid propagating +// the deviation further to pixels which depend on the current pixel for their +// predictions. +static WEBP_INLINE void GetResidual( + int width, int height, uint32_t* const upper_row, + uint32_t* const current_row, const uint8_t* const max_diffs, int mode, + int x_start, int x_end, int y, int max_quantization, int exact, + int used_subtract_green, uint32_t* const out) { + if (exact) { + PredictBatch(mode, x_start, y, x_end - x_start, current_row, upper_row, + out); + } else { + const VP8LPredictorFunc pred_func = VP8LPredictors[mode]; + int x; + for (x = x_start; x < x_end; ++x) { + uint32_t predict; + uint32_t residual; + if (y == 0) { + predict = (x == 0) ? ARGB_BLACK : current_row[x - 1]; // Left. + } else if (x == 0) { + predict = upper_row[x]; // Top. + } else { + predict = pred_func(¤t_row[x - 1], upper_row + x); + } +#if (WEBP_NEAR_LOSSLESS == 1) + if (max_quantization == 1 || mode == 0 || y == 0 || y == height - 1 || + x == 0 || x == width - 1) { + residual = VP8LSubPixels(current_row[x], predict); + } else { + residual = NearLossless(current_row[x], predict, max_quantization, + max_diffs[x], used_subtract_green); + // Update the source image. + current_row[x] = VP8LAddPixels(predict, residual); + // x is never 0 here so we do not need to update upper_row like below. + } +#else + (void)max_diffs; + (void)height; + (void)max_quantization; + (void)used_subtract_green; + residual = VP8LSubPixels(current_row[x], predict); +#endif + if ((current_row[x] & kMaskAlpha) == 0) { + // If alpha is 0, cleanup RGB. We can choose the RGB values of the + // residual for best compression. The prediction of alpha itself can be + // non-zero and must be kept though. We choose RGB of the residual to be + // 0. + residual &= kMaskAlpha; + // Update the source image. + current_row[x] = predict & ~kMaskAlpha; + // The prediction for the rightmost pixel in a row uses the leftmost + // pixel + // in that row as its top-right context pixel. Hence if we change the + // leftmost pixel of current_row, the corresponding change must be + // applied + // to upper_row as well where top-right context is being read from. + if (x == 0 && y != 0) upper_row[width] = current_row[0]; + } + out[x - x_start] = residual; + } + } +} + +// Returns best predictor and updates the accumulated histogram. +// If max_quantization > 1, assumes that near lossless processing will be +// applied, quantizing residuals to multiples of quantization levels up to +// max_quantization (the actual quantization level depends on smoothness near +// the given pixel). +static int GetBestPredictorForTile(int width, int height, + int tile_x, int tile_y, int bits, + int accumulated[4][256], + uint32_t* const argb_scratch, + const uint32_t* const argb, + int max_quantization, + int exact, int used_subtract_green, + const uint32_t* const modes) { + const int kNumPredModes = 14; + const int start_x = tile_x << bits; + const int start_y = tile_y << bits; + const int tile_size = 1 << bits; + const int max_y = GetMin(tile_size, height - start_y); + const int max_x = GetMin(tile_size, width - start_x); + // Whether there exist columns just outside the tile. + const int have_left = (start_x > 0); + // Position and size of the strip covering the tile and adjacent columns if + // they exist. + const int context_start_x = start_x - have_left; +#if (WEBP_NEAR_LOSSLESS == 1) + const int context_width = max_x + have_left + (max_x < width - start_x); +#endif + const int tiles_per_row = VP8LSubSampleSize(width, bits); + // Prediction modes of the left and above neighbor tiles. + const int left_mode = (tile_x > 0) ? + (modes[tile_y * tiles_per_row + tile_x - 1] >> 8) & 0xff : 0xff; + const int above_mode = (tile_y > 0) ? + (modes[(tile_y - 1) * tiles_per_row + tile_x] >> 8) & 0xff : 0xff; + // The width of upper_row and current_row is one pixel larger than image width + // to allow the top right pixel to point to the leftmost pixel of the next row + // when at the right edge. + uint32_t* upper_row = argb_scratch; + uint32_t* current_row = upper_row + width + 1; + uint8_t* const max_diffs = (uint8_t*)(current_row + width + 1); + float best_diff = MAX_DIFF_COST; + int best_mode = 0; + int mode; + int histo_stack_1[4][256]; + int histo_stack_2[4][256]; + // Need pointers to be able to swap arrays. + int (*histo_argb)[256] = histo_stack_1; + int (*best_histo)[256] = histo_stack_2; + int i, j; + uint32_t residuals[1 << MAX_TRANSFORM_BITS]; + assert(bits <= MAX_TRANSFORM_BITS); + assert(max_x <= (1 << MAX_TRANSFORM_BITS)); + + for (mode = 0; mode < kNumPredModes; ++mode) { + float cur_diff; + int relative_y; + memset(histo_argb, 0, sizeof(histo_stack_1)); + if (start_y > 0) { + // Read the row above the tile which will become the first upper_row. + // Include a pixel to the left if it exists; include a pixel to the right + // in all cases (wrapping to the leftmost pixel of the next row if it does + // not exist). + memcpy(current_row + context_start_x, + argb + (start_y - 1) * width + context_start_x, + sizeof(*argb) * (max_x + have_left + 1)); + } + for (relative_y = 0; relative_y < max_y; ++relative_y) { + const int y = start_y + relative_y; + int relative_x; + uint32_t* tmp = upper_row; + upper_row = current_row; + current_row = tmp; + // Read current_row. Include a pixel to the left if it exists; include a + // pixel to the right in all cases except at the bottom right corner of + // the image (wrapping to the leftmost pixel of the next row if it does + // not exist in the current row). + memcpy(current_row + context_start_x, + argb + y * width + context_start_x, + sizeof(*argb) * (max_x + have_left + (y + 1 < height))); +#if (WEBP_NEAR_LOSSLESS == 1) + if (max_quantization > 1 && y >= 1 && y + 1 < height) { + MaxDiffsForRow(context_width, width, argb + y * width + context_start_x, + max_diffs + context_start_x, used_subtract_green); + } +#endif + + GetResidual(width, height, upper_row, current_row, max_diffs, mode, + start_x, start_x + max_x, y, max_quantization, exact, + used_subtract_green, residuals); + for (relative_x = 0; relative_x < max_x; ++relative_x) { + UpdateHisto(histo_argb, residuals[relative_x]); + } + } + cur_diff = PredictionCostSpatialHistogram( + (const int (*)[256])accumulated, (const int (*)[256])histo_argb); + // Favor keeping the areas locally similar. + if (mode == left_mode) cur_diff -= kSpatialPredictorBias; + if (mode == above_mode) cur_diff -= kSpatialPredictorBias; + + if (cur_diff < best_diff) { + int (*tmp)[256] = histo_argb; + histo_argb = best_histo; + best_histo = tmp; + best_diff = cur_diff; + best_mode = mode; + } + } + + for (i = 0; i < 4; i++) { + for (j = 0; j < 256; j++) { + accumulated[i][j] += best_histo[i][j]; + } + } + + return best_mode; +} + +// Converts pixels of the image to residuals with respect to predictions. +// If max_quantization > 1, applies near lossless processing, quantizing +// residuals to multiples of quantization levels up to max_quantization +// (the actual quantization level depends on smoothness near the given pixel). +static void CopyImageWithPrediction(int width, int height, + int bits, uint32_t* const modes, + uint32_t* const argb_scratch, + uint32_t* const argb, + int low_effort, int max_quantization, + int exact, int used_subtract_green) { + const int tiles_per_row = VP8LSubSampleSize(width, bits); + // The width of upper_row and current_row is one pixel larger than image width + // to allow the top right pixel to point to the leftmost pixel of the next row + // when at the right edge. + uint32_t* upper_row = argb_scratch; + uint32_t* current_row = upper_row + width + 1; + uint8_t* current_max_diffs = (uint8_t*)(current_row + width + 1); +#if (WEBP_NEAR_LOSSLESS == 1) + uint8_t* lower_max_diffs = current_max_diffs + width; +#endif + int y; + + for (y = 0; y < height; ++y) { + int x; + uint32_t* const tmp32 = upper_row; + upper_row = current_row; + current_row = tmp32; + memcpy(current_row, argb + y * width, + sizeof(*argb) * (width + (y + 1 < height))); + + if (low_effort) { + PredictBatch(kPredLowEffort, 0, y, width, current_row, upper_row, + argb + y * width); + } else { +#if (WEBP_NEAR_LOSSLESS == 1) + if (max_quantization > 1) { + // Compute max_diffs for the lower row now, because that needs the + // contents of argb for the current row, which we will overwrite with + // residuals before proceeding with the next row. + uint8_t* const tmp8 = current_max_diffs; + current_max_diffs = lower_max_diffs; + lower_max_diffs = tmp8; + if (y + 2 < height) { + MaxDiffsForRow(width, width, argb + (y + 1) * width, lower_max_diffs, + used_subtract_green); + } + } +#endif + for (x = 0; x < width;) { + const int mode = + (modes[(y >> bits) * tiles_per_row + (x >> bits)] >> 8) & 0xff; + int x_end = x + (1 << bits); + if (x_end > width) x_end = width; + GetResidual(width, height, upper_row, current_row, current_max_diffs, + mode, x, x_end, y, max_quantization, exact, + used_subtract_green, argb + y * width + x); + x = x_end; + } + } + } +} + +// Finds the best predictor for each tile, and converts the image to residuals +// with respect to predictions. If near_lossless_quality < 100, applies +// near lossless processing, shaving off more bits of residuals for lower +// qualities. +int VP8LResidualImage(int width, int height, int bits, int low_effort, + uint32_t* const argb, uint32_t* const argb_scratch, + uint32_t* const image, int near_lossless_quality, + int exact, int used_subtract_green, + const WebPPicture* const pic, int percent_range, + int* const percent) { + const int tiles_per_row = VP8LSubSampleSize(width, bits); + const int tiles_per_col = VP8LSubSampleSize(height, bits); + int percent_start = *percent; + int tile_y; + int histo[4][256]; + const int max_quantization = 1 << VP8LNearLosslessBits(near_lossless_quality); + if (low_effort) { + int i; + for (i = 0; i < tiles_per_row * tiles_per_col; ++i) { + image[i] = ARGB_BLACK | (kPredLowEffort << 8); + } + } else { + memset(histo, 0, sizeof(histo)); + for (tile_y = 0; tile_y < tiles_per_col; ++tile_y) { + int tile_x; + for (tile_x = 0; tile_x < tiles_per_row; ++tile_x) { + const int pred = GetBestPredictorForTile( + width, height, tile_x, tile_y, bits, histo, argb_scratch, argb, + max_quantization, exact, used_subtract_green, image); + image[tile_y * tiles_per_row + tile_x] = ARGB_BLACK | (pred << 8); + } + + if (!WebPReportProgress( + pic, percent_start + percent_range * tile_y / tiles_per_col, + percent)) { + return 0; + } + } + } + + CopyImageWithPrediction(width, height, bits, image, argb_scratch, argb, + low_effort, max_quantization, exact, + used_subtract_green); + return WebPReportProgress(pic, percent_start + percent_range, percent); +} + +//------------------------------------------------------------------------------ +// Color transform functions. + +static WEBP_INLINE void MultipliersClear(VP8LMultipliers* const m) { + m->green_to_red_ = 0; + m->green_to_blue_ = 0; + m->red_to_blue_ = 0; +} + +static WEBP_INLINE void ColorCodeToMultipliers(uint32_t color_code, + VP8LMultipliers* const m) { + m->green_to_red_ = (color_code >> 0) & 0xff; + m->green_to_blue_ = (color_code >> 8) & 0xff; + m->red_to_blue_ = (color_code >> 16) & 0xff; +} + +static WEBP_INLINE uint32_t MultipliersToColorCode( + const VP8LMultipliers* const m) { + return 0xff000000u | + ((uint32_t)(m->red_to_blue_) << 16) | + ((uint32_t)(m->green_to_blue_) << 8) | + m->green_to_red_; +} + +static float PredictionCostCrossColor(const int accumulated[256], + const int counts[256]) { + // Favor low entropy, locally and globally. + // Favor small absolute values for PredictionCostSpatial + static const float kExpValue = 2.4f; + return VP8LCombinedShannonEntropy(counts, accumulated) + + PredictionCostSpatial(counts, 3, kExpValue); +} + +static float GetPredictionCostCrossColorRed( + const uint32_t* argb, int stride, int tile_width, int tile_height, + VP8LMultipliers prev_x, VP8LMultipliers prev_y, int green_to_red, + const int accumulated_red_histo[256]) { + int histo[256] = { 0 }; + float cur_diff; + + VP8LCollectColorRedTransforms(argb, stride, tile_width, tile_height, + green_to_red, histo); + + cur_diff = PredictionCostCrossColor(accumulated_red_histo, histo); + if ((uint8_t)green_to_red == prev_x.green_to_red_) { + cur_diff -= 3; // favor keeping the areas locally similar + } + if ((uint8_t)green_to_red == prev_y.green_to_red_) { + cur_diff -= 3; // favor keeping the areas locally similar + } + if (green_to_red == 0) { + cur_diff -= 3; + } + return cur_diff; +} + +static void GetBestGreenToRed( + const uint32_t* argb, int stride, int tile_width, int tile_height, + VP8LMultipliers prev_x, VP8LMultipliers prev_y, int quality, + const int accumulated_red_histo[256], VP8LMultipliers* const best_tx) { + const int kMaxIters = 4 + ((7 * quality) >> 8); // in range [4..6] + int green_to_red_best = 0; + int iter, offset; + float best_diff = GetPredictionCostCrossColorRed( + argb, stride, tile_width, tile_height, prev_x, prev_y, + green_to_red_best, accumulated_red_histo); + for (iter = 0; iter < kMaxIters; ++iter) { + // ColorTransformDelta is a 3.5 bit fixed point, so 32 is equal to + // one in color computation. Having initial delta here as 1 is sufficient + // to explore the range of (-2, 2). + const int delta = 32 >> iter; + // Try a negative and a positive delta from the best known value. + for (offset = -delta; offset <= delta; offset += 2 * delta) { + const int green_to_red_cur = offset + green_to_red_best; + const float cur_diff = GetPredictionCostCrossColorRed( + argb, stride, tile_width, tile_height, prev_x, prev_y, + green_to_red_cur, accumulated_red_histo); + if (cur_diff < best_diff) { + best_diff = cur_diff; + green_to_red_best = green_to_red_cur; + } + } + } + best_tx->green_to_red_ = (green_to_red_best & 0xff); +} + +static float GetPredictionCostCrossColorBlue( + const uint32_t* argb, int stride, int tile_width, int tile_height, + VP8LMultipliers prev_x, VP8LMultipliers prev_y, + int green_to_blue, int red_to_blue, const int accumulated_blue_histo[256]) { + int histo[256] = { 0 }; + float cur_diff; + + VP8LCollectColorBlueTransforms(argb, stride, tile_width, tile_height, + green_to_blue, red_to_blue, histo); + + cur_diff = PredictionCostCrossColor(accumulated_blue_histo, histo); + if ((uint8_t)green_to_blue == prev_x.green_to_blue_) { + cur_diff -= 3; // favor keeping the areas locally similar + } + if ((uint8_t)green_to_blue == prev_y.green_to_blue_) { + cur_diff -= 3; // favor keeping the areas locally similar + } + if ((uint8_t)red_to_blue == prev_x.red_to_blue_) { + cur_diff -= 3; // favor keeping the areas locally similar + } + if ((uint8_t)red_to_blue == prev_y.red_to_blue_) { + cur_diff -= 3; // favor keeping the areas locally similar + } + if (green_to_blue == 0) { + cur_diff -= 3; + } + if (red_to_blue == 0) { + cur_diff -= 3; + } + return cur_diff; +} + +#define kGreenRedToBlueNumAxis 8 +#define kGreenRedToBlueMaxIters 7 +static void GetBestGreenRedToBlue( + const uint32_t* argb, int stride, int tile_width, int tile_height, + VP8LMultipliers prev_x, VP8LMultipliers prev_y, int quality, + const int accumulated_blue_histo[256], + VP8LMultipliers* const best_tx) { + const int8_t offset[kGreenRedToBlueNumAxis][2] = + {{0, -1}, {0, 1}, {-1, 0}, {1, 0}, {-1, -1}, {-1, 1}, {1, -1}, {1, 1}}; + const int8_t delta_lut[kGreenRedToBlueMaxIters] = { 16, 16, 8, 4, 2, 2, 2 }; + const int iters = + (quality < 25) ? 1 : (quality > 50) ? kGreenRedToBlueMaxIters : 4; + int green_to_blue_best = 0; + int red_to_blue_best = 0; + int iter; + // Initial value at origin: + float best_diff = GetPredictionCostCrossColorBlue( + argb, stride, tile_width, tile_height, prev_x, prev_y, + green_to_blue_best, red_to_blue_best, accumulated_blue_histo); + for (iter = 0; iter < iters; ++iter) { + const int delta = delta_lut[iter]; + int axis; + for (axis = 0; axis < kGreenRedToBlueNumAxis; ++axis) { + const int green_to_blue_cur = + offset[axis][0] * delta + green_to_blue_best; + const int red_to_blue_cur = offset[axis][1] * delta + red_to_blue_best; + const float cur_diff = GetPredictionCostCrossColorBlue( + argb, stride, tile_width, tile_height, prev_x, prev_y, + green_to_blue_cur, red_to_blue_cur, accumulated_blue_histo); + if (cur_diff < best_diff) { + best_diff = cur_diff; + green_to_blue_best = green_to_blue_cur; + red_to_blue_best = red_to_blue_cur; + } + if (quality < 25 && iter == 4) { + // Only axis aligned diffs for lower quality. + break; // next iter. + } + } + if (delta == 2 && green_to_blue_best == 0 && red_to_blue_best == 0) { + // Further iterations would not help. + break; // out of iter-loop. + } + } + best_tx->green_to_blue_ = green_to_blue_best & 0xff; + best_tx->red_to_blue_ = red_to_blue_best & 0xff; +} +#undef kGreenRedToBlueMaxIters +#undef kGreenRedToBlueNumAxis + +static VP8LMultipliers GetBestColorTransformForTile( + int tile_x, int tile_y, int bits, + VP8LMultipliers prev_x, + VP8LMultipliers prev_y, + int quality, int xsize, int ysize, + const int accumulated_red_histo[256], + const int accumulated_blue_histo[256], + const uint32_t* const argb) { + const int max_tile_size = 1 << bits; + const int tile_y_offset = tile_y * max_tile_size; + const int tile_x_offset = tile_x * max_tile_size; + const int all_x_max = GetMin(tile_x_offset + max_tile_size, xsize); + const int all_y_max = GetMin(tile_y_offset + max_tile_size, ysize); + const int tile_width = all_x_max - tile_x_offset; + const int tile_height = all_y_max - tile_y_offset; + const uint32_t* const tile_argb = argb + tile_y_offset * xsize + + tile_x_offset; + VP8LMultipliers best_tx; + MultipliersClear(&best_tx); + + GetBestGreenToRed(tile_argb, xsize, tile_width, tile_height, + prev_x, prev_y, quality, accumulated_red_histo, &best_tx); + GetBestGreenRedToBlue(tile_argb, xsize, tile_width, tile_height, + prev_x, prev_y, quality, accumulated_blue_histo, + &best_tx); + return best_tx; +} + +static void CopyTileWithColorTransform(int xsize, int ysize, + int tile_x, int tile_y, + int max_tile_size, + VP8LMultipliers color_transform, + uint32_t* argb) { + const int xscan = GetMin(max_tile_size, xsize - tile_x); + int yscan = GetMin(max_tile_size, ysize - tile_y); + argb += tile_y * xsize + tile_x; + while (yscan-- > 0) { + VP8LTransformColor(&color_transform, argb, xscan); + argb += xsize; + } +} + +int VP8LColorSpaceTransform(int width, int height, int bits, int quality, + uint32_t* const argb, uint32_t* image, + const WebPPicture* const pic, int percent_range, + int* const percent) { + const int max_tile_size = 1 << bits; + const int tile_xsize = VP8LSubSampleSize(width, bits); + const int tile_ysize = VP8LSubSampleSize(height, bits); + int percent_start = *percent; + int accumulated_red_histo[256] = { 0 }; + int accumulated_blue_histo[256] = { 0 }; + int tile_x, tile_y; + VP8LMultipliers prev_x, prev_y; + MultipliersClear(&prev_y); + MultipliersClear(&prev_x); + for (tile_y = 0; tile_y < tile_ysize; ++tile_y) { + for (tile_x = 0; tile_x < tile_xsize; ++tile_x) { + int y; + const int tile_x_offset = tile_x * max_tile_size; + const int tile_y_offset = tile_y * max_tile_size; + const int all_x_max = GetMin(tile_x_offset + max_tile_size, width); + const int all_y_max = GetMin(tile_y_offset + max_tile_size, height); + const int offset = tile_y * tile_xsize + tile_x; + if (tile_y != 0) { + ColorCodeToMultipliers(image[offset - tile_xsize], &prev_y); + } + prev_x = GetBestColorTransformForTile(tile_x, tile_y, bits, + prev_x, prev_y, + quality, width, height, + accumulated_red_histo, + accumulated_blue_histo, + argb); + image[offset] = MultipliersToColorCode(&prev_x); + CopyTileWithColorTransform(width, height, tile_x_offset, tile_y_offset, + max_tile_size, prev_x, argb); + + // Gather accumulated histogram data. + for (y = tile_y_offset; y < all_y_max; ++y) { + int ix = y * width + tile_x_offset; + const int ix_end = ix + all_x_max - tile_x_offset; + for (; ix < ix_end; ++ix) { + const uint32_t pix = argb[ix]; + if (ix >= 2 && + pix == argb[ix - 2] && + pix == argb[ix - 1]) { + continue; // repeated pixels are handled by backward references + } + if (ix >= width + 2 && + argb[ix - 2] == argb[ix - width - 2] && + argb[ix - 1] == argb[ix - width - 1] && + pix == argb[ix - width]) { + continue; // repeated pixels are handled by backward references + } + ++accumulated_red_histo[(pix >> 16) & 0xff]; + ++accumulated_blue_histo[(pix >> 0) & 0xff]; + } + } + } + if (!WebPReportProgress( + pic, percent_start + percent_range * tile_y / tile_ysize, + percent)) { + return 0; + } + } + return 1; +} diff --git a/ProductApp/Pods/libwebp/src/enc/quant_enc.c b/ProductApp/Pods/libwebp/src/enc/quant_enc.c new file mode 100644 index 0000000..6d8202d --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/quant_enc.c @@ -0,0 +1,1398 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Quantization +// +// Author: Skal (pascal.massimino@gmail.com) + +#include +#include +#include // for abs() + +#include "src/dsp/quant.h" +#include "src/enc/vp8i_enc.h" +#include "src/enc/cost_enc.h" + +#define DO_TRELLIS_I4 1 +#define DO_TRELLIS_I16 1 // not a huge gain, but ok at low bitrate. +#define DO_TRELLIS_UV 0 // disable trellis for UV. Risky. Not worth. +#define USE_TDISTO 1 + +#define MID_ALPHA 64 // neutral value for susceptibility +#define MIN_ALPHA 30 // lowest usable value for susceptibility +#define MAX_ALPHA 100 // higher meaningful value for susceptibility + +#define SNS_TO_DQ 0.9 // Scaling constant between the sns value and the QP + // power-law modulation. Must be strictly less than 1. + +// number of non-zero coeffs below which we consider the block very flat +// (and apply a penalty to complex predictions) +#define FLATNESS_LIMIT_I16 0 // I16 mode (special case) +#define FLATNESS_LIMIT_I4 3 // I4 mode +#define FLATNESS_LIMIT_UV 2 // UV mode +#define FLATNESS_PENALTY 140 // roughly ~1bit per block + +#define MULT_8B(a, b) (((a) * (b) + 128) >> 8) + +#define RD_DISTO_MULT 256 // distortion multiplier (equivalent of lambda) + +// #define DEBUG_BLOCK + +//------------------------------------------------------------------------------ + +#if defined(DEBUG_BLOCK) + +#include +#include + +static void PrintBlockInfo(const VP8EncIterator* const it, + const VP8ModeScore* const rd) { + int i, j; + const int is_i16 = (it->mb_->type_ == 1); + const uint8_t* const y_in = it->yuv_in_ + Y_OFF_ENC; + const uint8_t* const y_out = it->yuv_out_ + Y_OFF_ENC; + const uint8_t* const uv_in = it->yuv_in_ + U_OFF_ENC; + const uint8_t* const uv_out = it->yuv_out_ + U_OFF_ENC; + printf("SOURCE / OUTPUT / ABS DELTA\n"); + for (j = 0; j < 16; ++j) { + for (i = 0; i < 16; ++i) printf("%3d ", y_in[i + j * BPS]); + printf(" "); + for (i = 0; i < 16; ++i) printf("%3d ", y_out[i + j * BPS]); + printf(" "); + for (i = 0; i < 16; ++i) { + printf("%1d ", abs(y_in[i + j * BPS] - y_out[i + j * BPS])); + } + printf("\n"); + } + printf("\n"); // newline before the U/V block + for (j = 0; j < 8; ++j) { + for (i = 0; i < 8; ++i) printf("%3d ", uv_in[i + j * BPS]); + printf(" "); + for (i = 8; i < 16; ++i) printf("%3d ", uv_in[i + j * BPS]); + printf(" "); + for (i = 0; i < 8; ++i) printf("%3d ", uv_out[i + j * BPS]); + printf(" "); + for (i = 8; i < 16; ++i) printf("%3d ", uv_out[i + j * BPS]); + printf(" "); + for (i = 0; i < 8; ++i) { + printf("%1d ", abs(uv_out[i + j * BPS] - uv_in[i + j * BPS])); + } + printf(" "); + for (i = 8; i < 16; ++i) { + printf("%1d ", abs(uv_out[i + j * BPS] - uv_in[i + j * BPS])); + } + printf("\n"); + } + printf("\nD:%d SD:%d R:%d H:%d nz:0x%x score:%d\n", + (int)rd->D, (int)rd->SD, (int)rd->R, (int)rd->H, (int)rd->nz, + (int)rd->score); + if (is_i16) { + printf("Mode: %d\n", rd->mode_i16); + printf("y_dc_levels:"); + for (i = 0; i < 16; ++i) printf("%3d ", rd->y_dc_levels[i]); + printf("\n"); + } else { + printf("Modes[16]: "); + for (i = 0; i < 16; ++i) printf("%d ", rd->modes_i4[i]); + printf("\n"); + } + printf("y_ac_levels:\n"); + for (j = 0; j < 16; ++j) { + for (i = is_i16 ? 1 : 0; i < 16; ++i) { + printf("%4d ", rd->y_ac_levels[j][i]); + } + printf("\n"); + } + printf("\n"); + printf("uv_levels (mode=%d):\n", rd->mode_uv); + for (j = 0; j < 8; ++j) { + for (i = 0; i < 16; ++i) { + printf("%4d ", rd->uv_levels[j][i]); + } + printf("\n"); + } +} + +#endif // DEBUG_BLOCK + +//------------------------------------------------------------------------------ + +static WEBP_INLINE int clip(int v, int m, int M) { + return v < m ? m : v > M ? M : v; +} + +static const uint8_t kZigzag[16] = { + 0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15 +}; + +static const uint8_t kDcTable[128] = { + 4, 5, 6, 7, 8, 9, 10, 10, + 11, 12, 13, 14, 15, 16, 17, 17, + 18, 19, 20, 20, 21, 21, 22, 22, + 23, 23, 24, 25, 25, 26, 27, 28, + 29, 30, 31, 32, 33, 34, 35, 36, + 37, 37, 38, 39, 40, 41, 42, 43, + 44, 45, 46, 46, 47, 48, 49, 50, + 51, 52, 53, 54, 55, 56, 57, 58, + 59, 60, 61, 62, 63, 64, 65, 66, + 67, 68, 69, 70, 71, 72, 73, 74, + 75, 76, 76, 77, 78, 79, 80, 81, + 82, 83, 84, 85, 86, 87, 88, 89, + 91, 93, 95, 96, 98, 100, 101, 102, + 104, 106, 108, 110, 112, 114, 116, 118, + 122, 124, 126, 128, 130, 132, 134, 136, + 138, 140, 143, 145, 148, 151, 154, 157 +}; + +static const uint16_t kAcTable[128] = { + 4, 5, 6, 7, 8, 9, 10, 11, + 12, 13, 14, 15, 16, 17, 18, 19, + 20, 21, 22, 23, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, + 36, 37, 38, 39, 40, 41, 42, 43, + 44, 45, 46, 47, 48, 49, 50, 51, + 52, 53, 54, 55, 56, 57, 58, 60, + 62, 64, 66, 68, 70, 72, 74, 76, + 78, 80, 82, 84, 86, 88, 90, 92, + 94, 96, 98, 100, 102, 104, 106, 108, + 110, 112, 114, 116, 119, 122, 125, 128, + 131, 134, 137, 140, 143, 146, 149, 152, + 155, 158, 161, 164, 167, 170, 173, 177, + 181, 185, 189, 193, 197, 201, 205, 209, + 213, 217, 221, 225, 229, 234, 239, 245, + 249, 254, 259, 264, 269, 274, 279, 284 +}; + +static const uint16_t kAcTable2[128] = { + 8, 8, 9, 10, 12, 13, 15, 17, + 18, 20, 21, 23, 24, 26, 27, 29, + 31, 32, 34, 35, 37, 38, 40, 41, + 43, 44, 46, 48, 49, 51, 52, 54, + 55, 57, 58, 60, 62, 63, 65, 66, + 68, 69, 71, 72, 74, 75, 77, 79, + 80, 82, 83, 85, 86, 88, 89, 93, + 96, 99, 102, 105, 108, 111, 114, 117, + 120, 124, 127, 130, 133, 136, 139, 142, + 145, 148, 151, 155, 158, 161, 164, 167, + 170, 173, 176, 179, 184, 189, 193, 198, + 203, 207, 212, 217, 221, 226, 230, 235, + 240, 244, 249, 254, 258, 263, 268, 274, + 280, 286, 292, 299, 305, 311, 317, 323, + 330, 336, 342, 348, 354, 362, 370, 379, + 385, 393, 401, 409, 416, 424, 432, 440 +}; + +static const uint8_t kBiasMatrices[3][2] = { // [luma-ac,luma-dc,chroma][dc,ac] + { 96, 110 }, { 96, 108 }, { 110, 115 } +}; + +// Sharpening by (slightly) raising the hi-frequency coeffs. +// Hack-ish but helpful for mid-bitrate range. Use with care. +#define SHARPEN_BITS 11 // number of descaling bits for sharpening bias +static const uint8_t kFreqSharpening[16] = { + 0, 30, 60, 90, + 30, 60, 90, 90, + 60, 90, 90, 90, + 90, 90, 90, 90 +}; + +//------------------------------------------------------------------------------ +// Initialize quantization parameters in VP8Matrix + +// Returns the average quantizer +static int ExpandMatrix(VP8Matrix* const m, int type) { + int i, sum; + for (i = 0; i < 2; ++i) { + const int is_ac_coeff = (i > 0); + const int bias = kBiasMatrices[type][is_ac_coeff]; + m->iq_[i] = (1 << QFIX) / m->q_[i]; + m->bias_[i] = BIAS(bias); + // zthresh_ is the exact value such that QUANTDIV(coeff, iQ, B) is: + // * zero if coeff <= zthresh + // * non-zero if coeff > zthresh + m->zthresh_[i] = ((1 << QFIX) - 1 - m->bias_[i]) / m->iq_[i]; + } + for (i = 2; i < 16; ++i) { + m->q_[i] = m->q_[1]; + m->iq_[i] = m->iq_[1]; + m->bias_[i] = m->bias_[1]; + m->zthresh_[i] = m->zthresh_[1]; + } + for (sum = 0, i = 0; i < 16; ++i) { + if (type == 0) { // we only use sharpening for AC luma coeffs + m->sharpen_[i] = (kFreqSharpening[i] * m->q_[i]) >> SHARPEN_BITS; + } else { + m->sharpen_[i] = 0; + } + sum += m->q_[i]; + } + return (sum + 8) >> 4; +} + +static void CheckLambdaValue(int* const v) { if (*v < 1) *v = 1; } + +static void SetupMatrices(VP8Encoder* enc) { + int i; + const int tlambda_scale = + (enc->method_ >= 4) ? enc->config_->sns_strength + : 0; + const int num_segments = enc->segment_hdr_.num_segments_; + for (i = 0; i < num_segments; ++i) { + VP8SegmentInfo* const m = &enc->dqm_[i]; + const int q = m->quant_; + int q_i4, q_i16, q_uv; + m->y1_.q_[0] = kDcTable[clip(q + enc->dq_y1_dc_, 0, 127)]; + m->y1_.q_[1] = kAcTable[clip(q, 0, 127)]; + + m->y2_.q_[0] = kDcTable[ clip(q + enc->dq_y2_dc_, 0, 127)] * 2; + m->y2_.q_[1] = kAcTable2[clip(q + enc->dq_y2_ac_, 0, 127)]; + + m->uv_.q_[0] = kDcTable[clip(q + enc->dq_uv_dc_, 0, 117)]; + m->uv_.q_[1] = kAcTable[clip(q + enc->dq_uv_ac_, 0, 127)]; + + q_i4 = ExpandMatrix(&m->y1_, 0); + q_i16 = ExpandMatrix(&m->y2_, 1); + q_uv = ExpandMatrix(&m->uv_, 2); + + m->lambda_i4_ = (3 * q_i4 * q_i4) >> 7; + m->lambda_i16_ = (3 * q_i16 * q_i16); + m->lambda_uv_ = (3 * q_uv * q_uv) >> 6; + m->lambda_mode_ = (1 * q_i4 * q_i4) >> 7; + m->lambda_trellis_i4_ = (7 * q_i4 * q_i4) >> 3; + m->lambda_trellis_i16_ = (q_i16 * q_i16) >> 2; + m->lambda_trellis_uv_ = (q_uv * q_uv) << 1; + m->tlambda_ = (tlambda_scale * q_i4) >> 5; + + // none of these constants should be < 1 + CheckLambdaValue(&m->lambda_i4_); + CheckLambdaValue(&m->lambda_i16_); + CheckLambdaValue(&m->lambda_uv_); + CheckLambdaValue(&m->lambda_mode_); + CheckLambdaValue(&m->lambda_trellis_i4_); + CheckLambdaValue(&m->lambda_trellis_i16_); + CheckLambdaValue(&m->lambda_trellis_uv_); + CheckLambdaValue(&m->tlambda_); + + m->min_disto_ = 20 * m->y1_.q_[0]; // quantization-aware min disto + m->max_edge_ = 0; + + m->i4_penalty_ = 1000 * q_i4 * q_i4; + } +} + +//------------------------------------------------------------------------------ +// Initialize filtering parameters + +// Very small filter-strength values have close to no visual effect. So we can +// save a little decoding-CPU by turning filtering off for these. +#define FSTRENGTH_CUTOFF 2 + +static void SetupFilterStrength(VP8Encoder* const enc) { + int i; + // level0 is in [0..500]. Using '-f 50' as filter_strength is mid-filtering. + const int level0 = 5 * enc->config_->filter_strength; + for (i = 0; i < NUM_MB_SEGMENTS; ++i) { + VP8SegmentInfo* const m = &enc->dqm_[i]; + // We focus on the quantization of AC coeffs. + const int qstep = kAcTable[clip(m->quant_, 0, 127)] >> 2; + const int base_strength = + VP8FilterStrengthFromDelta(enc->filter_hdr_.sharpness_, qstep); + // Segments with lower complexity ('beta') will be less filtered. + const int f = base_strength * level0 / (256 + m->beta_); + m->fstrength_ = (f < FSTRENGTH_CUTOFF) ? 0 : (f > 63) ? 63 : f; + } + // We record the initial strength (mainly for the case of 1-segment only). + enc->filter_hdr_.level_ = enc->dqm_[0].fstrength_; + enc->filter_hdr_.simple_ = (enc->config_->filter_type == 0); + enc->filter_hdr_.sharpness_ = enc->config_->filter_sharpness; +} + +//------------------------------------------------------------------------------ + +// Note: if you change the values below, remember that the max range +// allowed by the syntax for DQ_UV is [-16,16]. +#define MAX_DQ_UV (6) +#define MIN_DQ_UV (-4) + +// We want to emulate jpeg-like behaviour where the expected "good" quality +// is around q=75. Internally, our "good" middle is around c=50. So we +// map accordingly using linear piece-wise function +static double QualityToCompression(double c) { + const double linear_c = (c < 0.75) ? c * (2. / 3.) : 2. * c - 1.; + // The file size roughly scales as pow(quantizer, 3.). Actually, the + // exponent is somewhere between 2.8 and 3.2, but we're mostly interested + // in the mid-quant range. So we scale the compressibility inversely to + // this power-law: quant ~= compression ^ 1/3. This law holds well for + // low quant. Finer modeling for high-quant would make use of kAcTable[] + // more explicitly. + const double v = pow(linear_c, 1 / 3.); + return v; +} + +static double QualityToJPEGCompression(double c, double alpha) { + // We map the complexity 'alpha' and quality setting 'c' to a compression + // exponent empirically matched to the compression curve of libjpeg6b. + // On average, the WebP output size will be roughly similar to that of a + // JPEG file compressed with same quality factor. + const double amin = 0.30; + const double amax = 0.85; + const double exp_min = 0.4; + const double exp_max = 0.9; + const double slope = (exp_min - exp_max) / (amax - amin); + // Linearly interpolate 'expn' from exp_min to exp_max + // in the [amin, amax] range. + const double expn = (alpha > amax) ? exp_min + : (alpha < amin) ? exp_max + : exp_max + slope * (alpha - amin); + const double v = pow(c, expn); + return v; +} + +static int SegmentsAreEquivalent(const VP8SegmentInfo* const S1, + const VP8SegmentInfo* const S2) { + return (S1->quant_ == S2->quant_) && (S1->fstrength_ == S2->fstrength_); +} + +static void SimplifySegments(VP8Encoder* const enc) { + int map[NUM_MB_SEGMENTS] = { 0, 1, 2, 3 }; + // 'num_segments_' is previously validated and <= NUM_MB_SEGMENTS, but an + // explicit check is needed to avoid a spurious warning about 'i' exceeding + // array bounds of 'dqm_' with some compilers (noticed with gcc-4.9). + const int num_segments = (enc->segment_hdr_.num_segments_ < NUM_MB_SEGMENTS) + ? enc->segment_hdr_.num_segments_ + : NUM_MB_SEGMENTS; + int num_final_segments = 1; + int s1, s2; + for (s1 = 1; s1 < num_segments; ++s1) { // find similar segments + const VP8SegmentInfo* const S1 = &enc->dqm_[s1]; + int found = 0; + // check if we already have similar segment + for (s2 = 0; s2 < num_final_segments; ++s2) { + const VP8SegmentInfo* const S2 = &enc->dqm_[s2]; + if (SegmentsAreEquivalent(S1, S2)) { + found = 1; + break; + } + } + map[s1] = s2; + if (!found) { + if (num_final_segments != s1) { + enc->dqm_[num_final_segments] = enc->dqm_[s1]; + } + ++num_final_segments; + } + } + if (num_final_segments < num_segments) { // Remap + int i = enc->mb_w_ * enc->mb_h_; + while (i-- > 0) enc->mb_info_[i].segment_ = map[enc->mb_info_[i].segment_]; + enc->segment_hdr_.num_segments_ = num_final_segments; + // Replicate the trailing segment infos (it's mostly cosmetics) + for (i = num_final_segments; i < num_segments; ++i) { + enc->dqm_[i] = enc->dqm_[num_final_segments - 1]; + } + } +} + +void VP8SetSegmentParams(VP8Encoder* const enc, float quality) { + int i; + int dq_uv_ac, dq_uv_dc; + const int num_segments = enc->segment_hdr_.num_segments_; + const double amp = SNS_TO_DQ * enc->config_->sns_strength / 100. / 128.; + const double Q = quality / 100.; + const double c_base = enc->config_->emulate_jpeg_size ? + QualityToJPEGCompression(Q, enc->alpha_ / 255.) : + QualityToCompression(Q); + for (i = 0; i < num_segments; ++i) { + // We modulate the base coefficient to accommodate for the quantization + // susceptibility and allow denser segments to be quantized more. + const double expn = 1. - amp * enc->dqm_[i].alpha_; + const double c = pow(c_base, expn); + const int q = (int)(127. * (1. - c)); + assert(expn > 0.); + enc->dqm_[i].quant_ = clip(q, 0, 127); + } + + // purely indicative in the bitstream (except for the 1-segment case) + enc->base_quant_ = enc->dqm_[0].quant_; + + // fill-in values for the unused segments (required by the syntax) + for (i = num_segments; i < NUM_MB_SEGMENTS; ++i) { + enc->dqm_[i].quant_ = enc->base_quant_; + } + + // uv_alpha_ is normally spread around ~60. The useful range is + // typically ~30 (quite bad) to ~100 (ok to decimate UV more). + // We map it to the safe maximal range of MAX/MIN_DQ_UV for dq_uv. + dq_uv_ac = (enc->uv_alpha_ - MID_ALPHA) * (MAX_DQ_UV - MIN_DQ_UV) + / (MAX_ALPHA - MIN_ALPHA); + // we rescale by the user-defined strength of adaptation + dq_uv_ac = dq_uv_ac * enc->config_->sns_strength / 100; + // and make it safe. + dq_uv_ac = clip(dq_uv_ac, MIN_DQ_UV, MAX_DQ_UV); + // We also boost the dc-uv-quant a little, based on sns-strength, since + // U/V channels are quite more reactive to high quants (flat DC-blocks + // tend to appear, and are unpleasant). + dq_uv_dc = -4 * enc->config_->sns_strength / 100; + dq_uv_dc = clip(dq_uv_dc, -15, 15); // 4bit-signed max allowed + + enc->dq_y1_dc_ = 0; // TODO(skal): dq-lum + enc->dq_y2_dc_ = 0; + enc->dq_y2_ac_ = 0; + enc->dq_uv_dc_ = dq_uv_dc; + enc->dq_uv_ac_ = dq_uv_ac; + + SetupFilterStrength(enc); // initialize segments' filtering, eventually + + if (num_segments > 1) SimplifySegments(enc); + + SetupMatrices(enc); // finalize quantization matrices +} + +//------------------------------------------------------------------------------ +// Form the predictions in cache + +// Must be ordered using {DC_PRED, TM_PRED, V_PRED, H_PRED} as index +const uint16_t VP8I16ModeOffsets[4] = { I16DC16, I16TM16, I16VE16, I16HE16 }; +const uint16_t VP8UVModeOffsets[4] = { C8DC8, C8TM8, C8VE8, C8HE8 }; + +// Must be indexed using {B_DC_PRED -> B_HU_PRED} as index +const uint16_t VP8I4ModeOffsets[NUM_BMODES] = { + I4DC4, I4TM4, I4VE4, I4HE4, I4RD4, I4VR4, I4LD4, I4VL4, I4HD4, I4HU4 +}; + +void VP8MakeLuma16Preds(const VP8EncIterator* const it) { + const uint8_t* const left = it->x_ ? it->y_left_ : NULL; + const uint8_t* const top = it->y_ ? it->y_top_ : NULL; + VP8EncPredLuma16(it->yuv_p_, left, top); +} + +void VP8MakeChroma8Preds(const VP8EncIterator* const it) { + const uint8_t* const left = it->x_ ? it->u_left_ : NULL; + const uint8_t* const top = it->y_ ? it->uv_top_ : NULL; + VP8EncPredChroma8(it->yuv_p_, left, top); +} + +void VP8MakeIntra4Preds(const VP8EncIterator* const it) { + VP8EncPredLuma4(it->yuv_p_, it->i4_top_); +} + +//------------------------------------------------------------------------------ +// Quantize + +// Layout: +// +----+----+ +// |YYYY|UUVV| 0 +// |YYYY|UUVV| 4 +// |YYYY|....| 8 +// |YYYY|....| 12 +// +----+----+ + +const uint16_t VP8Scan[16] = { // Luma + 0 + 0 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS, + 0 + 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS, + 0 + 8 * BPS, 4 + 8 * BPS, 8 + 8 * BPS, 12 + 8 * BPS, + 0 + 12 * BPS, 4 + 12 * BPS, 8 + 12 * BPS, 12 + 12 * BPS, +}; + +static const uint16_t VP8ScanUV[4 + 4] = { + 0 + 0 * BPS, 4 + 0 * BPS, 0 + 4 * BPS, 4 + 4 * BPS, // U + 8 + 0 * BPS, 12 + 0 * BPS, 8 + 4 * BPS, 12 + 4 * BPS // V +}; + +//------------------------------------------------------------------------------ +// Distortion measurement + +static const uint16_t kWeightY[16] = { + 38, 32, 20, 9, 32, 28, 17, 7, 20, 17, 10, 4, 9, 7, 4, 2 +}; + +static const uint16_t kWeightTrellis[16] = { +#if USE_TDISTO == 0 + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16 +#else + 30, 27, 19, 11, + 27, 24, 17, 10, + 19, 17, 12, 8, + 11, 10, 8, 6 +#endif +}; + +// Init/Copy the common fields in score. +static void InitScore(VP8ModeScore* const rd) { + rd->D = 0; + rd->SD = 0; + rd->R = 0; + rd->H = 0; + rd->nz = 0; + rd->score = MAX_COST; +} + +static void CopyScore(VP8ModeScore* WEBP_RESTRICT const dst, + const VP8ModeScore* WEBP_RESTRICT const src) { + dst->D = src->D; + dst->SD = src->SD; + dst->R = src->R; + dst->H = src->H; + dst->nz = src->nz; // note that nz is not accumulated, but just copied. + dst->score = src->score; +} + +static void AddScore(VP8ModeScore* WEBP_RESTRICT const dst, + const VP8ModeScore* WEBP_RESTRICT const src) { + dst->D += src->D; + dst->SD += src->SD; + dst->R += src->R; + dst->H += src->H; + dst->nz |= src->nz; // here, new nz bits are accumulated. + dst->score += src->score; +} + +//------------------------------------------------------------------------------ +// Performs trellis-optimized quantization. + +// Trellis node +typedef struct { + int8_t prev; // best previous node + int8_t sign; // sign of coeff_i + int16_t level; // level +} Node; + +// Score state +typedef struct { + score_t score; // partial RD score + const uint16_t* costs; // shortcut to cost tables +} ScoreState; + +// If a coefficient was quantized to a value Q (using a neutral bias), +// we test all alternate possibilities between [Q-MIN_DELTA, Q+MAX_DELTA] +// We don't test negative values though. +#define MIN_DELTA 0 // how much lower level to try +#define MAX_DELTA 1 // how much higher +#define NUM_NODES (MIN_DELTA + 1 + MAX_DELTA) +#define NODE(n, l) (nodes[(n)][(l) + MIN_DELTA]) +#define SCORE_STATE(n, l) (score_states[n][(l) + MIN_DELTA]) + +static WEBP_INLINE void SetRDScore(int lambda, VP8ModeScore* const rd) { + rd->score = (rd->R + rd->H) * lambda + RD_DISTO_MULT * (rd->D + rd->SD); +} + +static WEBP_INLINE score_t RDScoreTrellis(int lambda, score_t rate, + score_t distortion) { + return rate * lambda + RD_DISTO_MULT * distortion; +} + +// Coefficient type. +enum { TYPE_I16_AC = 0, TYPE_I16_DC = 1, TYPE_CHROMA_A = 2, TYPE_I4_AC = 3 }; + +static int TrellisQuantizeBlock(const VP8Encoder* WEBP_RESTRICT const enc, + int16_t in[16], int16_t out[16], + int ctx0, int coeff_type, + const VP8Matrix* WEBP_RESTRICT const mtx, + int lambda) { + const ProbaArray* const probas = enc->proba_.coeffs_[coeff_type]; + CostArrayPtr const costs = + (CostArrayPtr)enc->proba_.remapped_costs_[coeff_type]; + const int first = (coeff_type == TYPE_I16_AC) ? 1 : 0; + Node nodes[16][NUM_NODES]; + ScoreState score_states[2][NUM_NODES]; + ScoreState* ss_cur = &SCORE_STATE(0, MIN_DELTA); + ScoreState* ss_prev = &SCORE_STATE(1, MIN_DELTA); + int best_path[3] = {-1, -1, -1}; // store best-last/best-level/best-previous + score_t best_score; + int n, m, p, last; + + { + score_t cost; + const int thresh = mtx->q_[1] * mtx->q_[1] / 4; + const int last_proba = probas[VP8EncBands[first]][ctx0][0]; + + // compute the position of the last interesting coefficient + last = first - 1; + for (n = 15; n >= first; --n) { + const int j = kZigzag[n]; + const int err = in[j] * in[j]; + if (err > thresh) { + last = n; + break; + } + } + // we don't need to go inspect up to n = 16 coeffs. We can just go up + // to last + 1 (inclusive) without losing much. + if (last < 15) ++last; + + // compute 'skip' score. This is the max score one can do. + cost = VP8BitCost(0, last_proba); + best_score = RDScoreTrellis(lambda, cost, 0); + + // initialize source node. + for (m = -MIN_DELTA; m <= MAX_DELTA; ++m) { + const score_t rate = (ctx0 == 0) ? VP8BitCost(1, last_proba) : 0; + ss_cur[m].score = RDScoreTrellis(lambda, rate, 0); + ss_cur[m].costs = costs[first][ctx0]; + } + } + + // traverse trellis. + for (n = first; n <= last; ++n) { + const int j = kZigzag[n]; + const uint32_t Q = mtx->q_[j]; + const uint32_t iQ = mtx->iq_[j]; + const uint32_t B = BIAS(0x00); // neutral bias + // note: it's important to take sign of the _original_ coeff, + // so we don't have to consider level < 0 afterward. + const int sign = (in[j] < 0); + const uint32_t coeff0 = (sign ? -in[j] : in[j]) + mtx->sharpen_[j]; + int level0 = QUANTDIV(coeff0, iQ, B); + int thresh_level = QUANTDIV(coeff0, iQ, BIAS(0x80)); + if (thresh_level > MAX_LEVEL) thresh_level = MAX_LEVEL; + if (level0 > MAX_LEVEL) level0 = MAX_LEVEL; + + { // Swap current and previous score states + ScoreState* const tmp = ss_cur; + ss_cur = ss_prev; + ss_prev = tmp; + } + + // test all alternate level values around level0. + for (m = -MIN_DELTA; m <= MAX_DELTA; ++m) { + Node* const cur = &NODE(n, m); + const int level = level0 + m; + const int ctx = (level > 2) ? 2 : level; + const int band = VP8EncBands[n + 1]; + score_t base_score; + score_t best_cur_score; + int best_prev; + score_t cost, score; + + ss_cur[m].costs = costs[n + 1][ctx]; + if (level < 0 || level > thresh_level) { + ss_cur[m].score = MAX_COST; + // Node is dead. + continue; + } + + { + // Compute delta_error = how much coding this level will + // subtract to max_error as distortion. + // Here, distortion = sum of (|coeff_i| - level_i * Q_i)^2 + const int new_error = coeff0 - level * Q; + const int delta_error = + kWeightTrellis[j] * (new_error * new_error - coeff0 * coeff0); + base_score = RDScoreTrellis(lambda, 0, delta_error); + } + + // Inspect all possible non-dead predecessors. Retain only the best one. + // The base_score is added to all scores so it is only added for the final + // value after the loop. + cost = VP8LevelCost(ss_prev[-MIN_DELTA].costs, level); + best_cur_score = + ss_prev[-MIN_DELTA].score + RDScoreTrellis(lambda, cost, 0); + best_prev = -MIN_DELTA; + for (p = -MIN_DELTA + 1; p <= MAX_DELTA; ++p) { + // Dead nodes (with ss_prev[p].score >= MAX_COST) are automatically + // eliminated since their score can't be better than the current best. + cost = VP8LevelCost(ss_prev[p].costs, level); + // Examine node assuming it's a non-terminal one. + score = ss_prev[p].score + RDScoreTrellis(lambda, cost, 0); + if (score < best_cur_score) { + best_cur_score = score; + best_prev = p; + } + } + best_cur_score += base_score; + // Store best finding in current node. + cur->sign = sign; + cur->level = level; + cur->prev = best_prev; + ss_cur[m].score = best_cur_score; + + // Now, record best terminal node (and thus best entry in the graph). + if (level != 0 && best_cur_score < best_score) { + const score_t last_pos_cost = + (n < 15) ? VP8BitCost(0, probas[band][ctx][0]) : 0; + const score_t last_pos_score = RDScoreTrellis(lambda, last_pos_cost, 0); + score = best_cur_score + last_pos_score; + if (score < best_score) { + best_score = score; + best_path[0] = n; // best eob position + best_path[1] = m; // best node index + best_path[2] = best_prev; // best predecessor + } + } + } + } + + // Fresh start + // Beware! We must preserve in[0]/out[0] value for TYPE_I16_AC case. + if (coeff_type == TYPE_I16_AC) { + memset(in + 1, 0, 15 * sizeof(*in)); + memset(out + 1, 0, 15 * sizeof(*out)); + } else { + memset(in, 0, 16 * sizeof(*in)); + memset(out, 0, 16 * sizeof(*out)); + } + if (best_path[0] == -1) { + return 0; // skip! + } + + { + // Unwind the best path. + // Note: best-prev on terminal node is not necessarily equal to the + // best_prev for non-terminal. So we patch best_path[2] in. + int nz = 0; + int best_node = best_path[1]; + n = best_path[0]; + NODE(n, best_node).prev = best_path[2]; // force best-prev for terminal + + for (; n >= first; --n) { + const Node* const node = &NODE(n, best_node); + const int j = kZigzag[n]; + out[n] = node->sign ? -node->level : node->level; + nz |= node->level; + in[j] = out[n] * mtx->q_[j]; + best_node = node->prev; + } + return (nz != 0); + } +} + +#undef NODE + +//------------------------------------------------------------------------------ +// Performs: difference, transform, quantize, back-transform, add +// all at once. Output is the reconstructed block in *yuv_out, and the +// quantized levels in *levels. + +static int ReconstructIntra16(VP8EncIterator* WEBP_RESTRICT const it, + VP8ModeScore* WEBP_RESTRICT const rd, + uint8_t* WEBP_RESTRICT const yuv_out, + int mode) { + const VP8Encoder* const enc = it->enc_; + const uint8_t* const ref = it->yuv_p_ + VP8I16ModeOffsets[mode]; + const uint8_t* const src = it->yuv_in_ + Y_OFF_ENC; + const VP8SegmentInfo* const dqm = &enc->dqm_[it->mb_->segment_]; + int nz = 0; + int n; + int16_t tmp[16][16], dc_tmp[16]; + + for (n = 0; n < 16; n += 2) { + VP8FTransform2(src + VP8Scan[n], ref + VP8Scan[n], tmp[n]); + } + VP8FTransformWHT(tmp[0], dc_tmp); + nz |= VP8EncQuantizeBlockWHT(dc_tmp, rd->y_dc_levels, &dqm->y2_) << 24; + + if (DO_TRELLIS_I16 && it->do_trellis_) { + int x, y; + VP8IteratorNzToBytes(it); + for (y = 0, n = 0; y < 4; ++y) { + for (x = 0; x < 4; ++x, ++n) { + const int ctx = it->top_nz_[x] + it->left_nz_[y]; + const int non_zero = TrellisQuantizeBlock( + enc, tmp[n], rd->y_ac_levels[n], ctx, TYPE_I16_AC, &dqm->y1_, + dqm->lambda_trellis_i16_); + it->top_nz_[x] = it->left_nz_[y] = non_zero; + rd->y_ac_levels[n][0] = 0; + nz |= non_zero << n; + } + } + } else { + for (n = 0; n < 16; n += 2) { + // Zero-out the first coeff, so that: a) nz is correct below, and + // b) finding 'last' non-zero coeffs in SetResidualCoeffs() is simplified. + tmp[n][0] = tmp[n + 1][0] = 0; + nz |= VP8EncQuantize2Blocks(tmp[n], rd->y_ac_levels[n], &dqm->y1_) << n; + assert(rd->y_ac_levels[n + 0][0] == 0); + assert(rd->y_ac_levels[n + 1][0] == 0); + } + } + + // Transform back + VP8TransformWHT(dc_tmp, tmp[0]); + for (n = 0; n < 16; n += 2) { + VP8ITransform(ref + VP8Scan[n], tmp[n], yuv_out + VP8Scan[n], 1); + } + + return nz; +} + +static int ReconstructIntra4(VP8EncIterator* WEBP_RESTRICT const it, + int16_t levels[16], + const uint8_t* WEBP_RESTRICT const src, + uint8_t* WEBP_RESTRICT const yuv_out, + int mode) { + const VP8Encoder* const enc = it->enc_; + const uint8_t* const ref = it->yuv_p_ + VP8I4ModeOffsets[mode]; + const VP8SegmentInfo* const dqm = &enc->dqm_[it->mb_->segment_]; + int nz = 0; + int16_t tmp[16]; + + VP8FTransform(src, ref, tmp); + if (DO_TRELLIS_I4 && it->do_trellis_) { + const int x = it->i4_ & 3, y = it->i4_ >> 2; + const int ctx = it->top_nz_[x] + it->left_nz_[y]; + nz = TrellisQuantizeBlock(enc, tmp, levels, ctx, TYPE_I4_AC, &dqm->y1_, + dqm->lambda_trellis_i4_); + } else { + nz = VP8EncQuantizeBlock(tmp, levels, &dqm->y1_); + } + VP8ITransform(ref, tmp, yuv_out, 0); + return nz; +} + +//------------------------------------------------------------------------------ +// DC-error diffusion + +// Diffusion weights. We under-correct a bit (15/16th of the error is actually +// diffused) to avoid 'rainbow' chessboard pattern of blocks at q~=0. +#define C1 7 // fraction of error sent to the 4x4 block below +#define C2 8 // fraction of error sent to the 4x4 block on the right +#define DSHIFT 4 +#define DSCALE 1 // storage descaling, needed to make the error fit int8_t + +// Quantize as usual, but also compute and return the quantization error. +// Error is already divided by DSHIFT. +static int QuantizeSingle(int16_t* WEBP_RESTRICT const v, + const VP8Matrix* WEBP_RESTRICT const mtx) { + int V = *v; + const int sign = (V < 0); + if (sign) V = -V; + if (V > (int)mtx->zthresh_[0]) { + const int qV = QUANTDIV(V, mtx->iq_[0], mtx->bias_[0]) * mtx->q_[0]; + const int err = (V - qV); + *v = sign ? -qV : qV; + return (sign ? -err : err) >> DSCALE; + } + *v = 0; + return (sign ? -V : V) >> DSCALE; +} + +static void CorrectDCValues(const VP8EncIterator* WEBP_RESTRICT const it, + const VP8Matrix* WEBP_RESTRICT const mtx, + int16_t tmp[][16], + VP8ModeScore* WEBP_RESTRICT const rd) { + // | top[0] | top[1] + // --------+--------+--------- + // left[0] | tmp[0] tmp[1] <-> err0 err1 + // left[1] | tmp[2] tmp[3] err2 err3 + // + // Final errors {err1,err2,err3} are preserved and later restored + // as top[]/left[] on the next block. + int ch; + for (ch = 0; ch <= 1; ++ch) { + const int8_t* const top = it->top_derr_[it->x_][ch]; + const int8_t* const left = it->left_derr_[ch]; + int16_t (* const c)[16] = &tmp[ch * 4]; + int err0, err1, err2, err3; + c[0][0] += (C1 * top[0] + C2 * left[0]) >> (DSHIFT - DSCALE); + err0 = QuantizeSingle(&c[0][0], mtx); + c[1][0] += (C1 * top[1] + C2 * err0) >> (DSHIFT - DSCALE); + err1 = QuantizeSingle(&c[1][0], mtx); + c[2][0] += (C1 * err0 + C2 * left[1]) >> (DSHIFT - DSCALE); + err2 = QuantizeSingle(&c[2][0], mtx); + c[3][0] += (C1 * err1 + C2 * err2) >> (DSHIFT - DSCALE); + err3 = QuantizeSingle(&c[3][0], mtx); + // error 'err' is bounded by mtx->q_[0] which is 132 at max. Hence + // err >> DSCALE will fit in an int8_t type if DSCALE>=1. + assert(abs(err1) <= 127 && abs(err2) <= 127 && abs(err3) <= 127); + rd->derr[ch][0] = (int8_t)err1; + rd->derr[ch][1] = (int8_t)err2; + rd->derr[ch][2] = (int8_t)err3; + } +} + +static void StoreDiffusionErrors(VP8EncIterator* WEBP_RESTRICT const it, + const VP8ModeScore* WEBP_RESTRICT const rd) { + int ch; + for (ch = 0; ch <= 1; ++ch) { + int8_t* const top = it->top_derr_[it->x_][ch]; + int8_t* const left = it->left_derr_[ch]; + left[0] = rd->derr[ch][0]; // restore err1 + left[1] = 3 * rd->derr[ch][2] >> 2; // ... 3/4th of err3 + top[0] = rd->derr[ch][1]; // ... err2 + top[1] = rd->derr[ch][2] - left[1]; // ... 1/4th of err3. + } +} + +#undef C1 +#undef C2 +#undef DSHIFT +#undef DSCALE + +//------------------------------------------------------------------------------ + +static int ReconstructUV(VP8EncIterator* WEBP_RESTRICT const it, + VP8ModeScore* WEBP_RESTRICT const rd, + uint8_t* WEBP_RESTRICT const yuv_out, int mode) { + const VP8Encoder* const enc = it->enc_; + const uint8_t* const ref = it->yuv_p_ + VP8UVModeOffsets[mode]; + const uint8_t* const src = it->yuv_in_ + U_OFF_ENC; + const VP8SegmentInfo* const dqm = &enc->dqm_[it->mb_->segment_]; + int nz = 0; + int n; + int16_t tmp[8][16]; + + for (n = 0; n < 8; n += 2) { + VP8FTransform2(src + VP8ScanUV[n], ref + VP8ScanUV[n], tmp[n]); + } + if (it->top_derr_ != NULL) CorrectDCValues(it, &dqm->uv_, tmp, rd); + + if (DO_TRELLIS_UV && it->do_trellis_) { + int ch, x, y; + for (ch = 0, n = 0; ch <= 2; ch += 2) { + for (y = 0; y < 2; ++y) { + for (x = 0; x < 2; ++x, ++n) { + const int ctx = it->top_nz_[4 + ch + x] + it->left_nz_[4 + ch + y]; + const int non_zero = TrellisQuantizeBlock( + enc, tmp[n], rd->uv_levels[n], ctx, TYPE_CHROMA_A, &dqm->uv_, + dqm->lambda_trellis_uv_); + it->top_nz_[4 + ch + x] = it->left_nz_[4 + ch + y] = non_zero; + nz |= non_zero << n; + } + } + } + } else { + for (n = 0; n < 8; n += 2) { + nz |= VP8EncQuantize2Blocks(tmp[n], rd->uv_levels[n], &dqm->uv_) << n; + } + } + + for (n = 0; n < 8; n += 2) { + VP8ITransform(ref + VP8ScanUV[n], tmp[n], yuv_out + VP8ScanUV[n], 1); + } + return (nz << 16); +} + +//------------------------------------------------------------------------------ +// RD-opt decision. Reconstruct each modes, evalue distortion and bit-cost. +// Pick the mode is lower RD-cost = Rate + lambda * Distortion. + +static void StoreMaxDelta(VP8SegmentInfo* const dqm, const int16_t DCs[16]) { + // We look at the first three AC coefficients to determine what is the average + // delta between each sub-4x4 block. + const int v0 = abs(DCs[1]); + const int v1 = abs(DCs[2]); + const int v2 = abs(DCs[4]); + int max_v = (v1 > v0) ? v1 : v0; + max_v = (v2 > max_v) ? v2 : max_v; + if (max_v > dqm->max_edge_) dqm->max_edge_ = max_v; +} + +static void SwapModeScore(VP8ModeScore** a, VP8ModeScore** b) { + VP8ModeScore* const tmp = *a; + *a = *b; + *b = tmp; +} + +static void SwapPtr(uint8_t** a, uint8_t** b) { + uint8_t* const tmp = *a; + *a = *b; + *b = tmp; +} + +static void SwapOut(VP8EncIterator* const it) { + SwapPtr(&it->yuv_out_, &it->yuv_out2_); +} + +static void PickBestIntra16(VP8EncIterator* WEBP_RESTRICT const it, + VP8ModeScore* WEBP_RESTRICT rd) { + const int kNumBlocks = 16; + VP8SegmentInfo* const dqm = &it->enc_->dqm_[it->mb_->segment_]; + const int lambda = dqm->lambda_i16_; + const int tlambda = dqm->tlambda_; + const uint8_t* const src = it->yuv_in_ + Y_OFF_ENC; + VP8ModeScore rd_tmp; + VP8ModeScore* rd_cur = &rd_tmp; + VP8ModeScore* rd_best = rd; + int mode; + int is_flat = IsFlatSource16(it->yuv_in_ + Y_OFF_ENC); + + rd->mode_i16 = -1; + for (mode = 0; mode < NUM_PRED_MODES; ++mode) { + uint8_t* const tmp_dst = it->yuv_out2_ + Y_OFF_ENC; // scratch buffer + rd_cur->mode_i16 = mode; + + // Reconstruct + rd_cur->nz = ReconstructIntra16(it, rd_cur, tmp_dst, mode); + + // Measure RD-score + rd_cur->D = VP8SSE16x16(src, tmp_dst); + rd_cur->SD = + tlambda ? MULT_8B(tlambda, VP8TDisto16x16(src, tmp_dst, kWeightY)) : 0; + rd_cur->H = VP8FixedCostsI16[mode]; + rd_cur->R = VP8GetCostLuma16(it, rd_cur); + if (is_flat) { + // refine the first impression (which was in pixel space) + is_flat = IsFlat(rd_cur->y_ac_levels[0], kNumBlocks, FLATNESS_LIMIT_I16); + if (is_flat) { + // Block is very flat. We put emphasis on the distortion being very low! + rd_cur->D *= 2; + rd_cur->SD *= 2; + } + } + + // Since we always examine Intra16 first, we can overwrite *rd directly. + SetRDScore(lambda, rd_cur); + if (mode == 0 || rd_cur->score < rd_best->score) { + SwapModeScore(&rd_cur, &rd_best); + SwapOut(it); + } + } + if (rd_best != rd) { + memcpy(rd, rd_best, sizeof(*rd)); + } + SetRDScore(dqm->lambda_mode_, rd); // finalize score for mode decision. + VP8SetIntra16Mode(it, rd->mode_i16); + + // we have a blocky macroblock (only DCs are non-zero) with fairly high + // distortion, record max delta so we can later adjust the minimal filtering + // strength needed to smooth these blocks out. + if ((rd->nz & 0x100ffff) == 0x1000000 && rd->D > dqm->min_disto_) { + StoreMaxDelta(dqm, rd->y_dc_levels); + } +} + +//------------------------------------------------------------------------------ + +// return the cost array corresponding to the surrounding prediction modes. +static const uint16_t* GetCostModeI4(VP8EncIterator* WEBP_RESTRICT const it, + const uint8_t modes[16]) { + const int preds_w = it->enc_->preds_w_; + const int x = (it->i4_ & 3), y = it->i4_ >> 2; + const int left = (x == 0) ? it->preds_[y * preds_w - 1] : modes[it->i4_ - 1]; + const int top = (y == 0) ? it->preds_[-preds_w + x] : modes[it->i4_ - 4]; + return VP8FixedCostsI4[top][left]; +} + +static int PickBestIntra4(VP8EncIterator* WEBP_RESTRICT const it, + VP8ModeScore* WEBP_RESTRICT const rd) { + const VP8Encoder* const enc = it->enc_; + const VP8SegmentInfo* const dqm = &enc->dqm_[it->mb_->segment_]; + const int lambda = dqm->lambda_i4_; + const int tlambda = dqm->tlambda_; + const uint8_t* const src0 = it->yuv_in_ + Y_OFF_ENC; + uint8_t* const best_blocks = it->yuv_out2_ + Y_OFF_ENC; + int total_header_bits = 0; + VP8ModeScore rd_best; + + if (enc->max_i4_header_bits_ == 0) { + return 0; + } + + InitScore(&rd_best); + rd_best.H = 211; // '211' is the value of VP8BitCost(0, 145) + SetRDScore(dqm->lambda_mode_, &rd_best); + VP8IteratorStartI4(it); + do { + const int kNumBlocks = 1; + VP8ModeScore rd_i4; + int mode; + int best_mode = -1; + const uint8_t* const src = src0 + VP8Scan[it->i4_]; + const uint16_t* const mode_costs = GetCostModeI4(it, rd->modes_i4); + uint8_t* best_block = best_blocks + VP8Scan[it->i4_]; + uint8_t* tmp_dst = it->yuv_p_ + I4TMP; // scratch buffer. + + InitScore(&rd_i4); + VP8MakeIntra4Preds(it); + for (mode = 0; mode < NUM_BMODES; ++mode) { + VP8ModeScore rd_tmp; + int16_t tmp_levels[16]; + + // Reconstruct + rd_tmp.nz = + ReconstructIntra4(it, tmp_levels, src, tmp_dst, mode) << it->i4_; + + // Compute RD-score + rd_tmp.D = VP8SSE4x4(src, tmp_dst); + rd_tmp.SD = + tlambda ? MULT_8B(tlambda, VP8TDisto4x4(src, tmp_dst, kWeightY)) + : 0; + rd_tmp.H = mode_costs[mode]; + + // Add flatness penalty, to avoid flat area to be mispredicted + // by a complex mode. + if (mode > 0 && IsFlat(tmp_levels, kNumBlocks, FLATNESS_LIMIT_I4)) { + rd_tmp.R = FLATNESS_PENALTY * kNumBlocks; + } else { + rd_tmp.R = 0; + } + + // early-out check + SetRDScore(lambda, &rd_tmp); + if (best_mode >= 0 && rd_tmp.score >= rd_i4.score) continue; + + // finish computing score + rd_tmp.R += VP8GetCostLuma4(it, tmp_levels); + SetRDScore(lambda, &rd_tmp); + + if (best_mode < 0 || rd_tmp.score < rd_i4.score) { + CopyScore(&rd_i4, &rd_tmp); + best_mode = mode; + SwapPtr(&tmp_dst, &best_block); + memcpy(rd_best.y_ac_levels[it->i4_], tmp_levels, + sizeof(rd_best.y_ac_levels[it->i4_])); + } + } + SetRDScore(dqm->lambda_mode_, &rd_i4); + AddScore(&rd_best, &rd_i4); + if (rd_best.score >= rd->score) { + return 0; + } + total_header_bits += (int)rd_i4.H; // <- equal to mode_costs[best_mode]; + if (total_header_bits > enc->max_i4_header_bits_) { + return 0; + } + // Copy selected samples if not in the right place already. + if (best_block != best_blocks + VP8Scan[it->i4_]) { + VP8Copy4x4(best_block, best_blocks + VP8Scan[it->i4_]); + } + rd->modes_i4[it->i4_] = best_mode; + it->top_nz_[it->i4_ & 3] = it->left_nz_[it->i4_ >> 2] = (rd_i4.nz ? 1 : 0); + } while (VP8IteratorRotateI4(it, best_blocks)); + + // finalize state + CopyScore(rd, &rd_best); + VP8SetIntra4Mode(it, rd->modes_i4); + SwapOut(it); + memcpy(rd->y_ac_levels, rd_best.y_ac_levels, sizeof(rd->y_ac_levels)); + return 1; // select intra4x4 over intra16x16 +} + +//------------------------------------------------------------------------------ + +static void PickBestUV(VP8EncIterator* WEBP_RESTRICT const it, + VP8ModeScore* WEBP_RESTRICT const rd) { + const int kNumBlocks = 8; + const VP8SegmentInfo* const dqm = &it->enc_->dqm_[it->mb_->segment_]; + const int lambda = dqm->lambda_uv_; + const uint8_t* const src = it->yuv_in_ + U_OFF_ENC; + uint8_t* tmp_dst = it->yuv_out2_ + U_OFF_ENC; // scratch buffer + uint8_t* dst0 = it->yuv_out_ + U_OFF_ENC; + uint8_t* dst = dst0; + VP8ModeScore rd_best; + int mode; + + rd->mode_uv = -1; + InitScore(&rd_best); + for (mode = 0; mode < NUM_PRED_MODES; ++mode) { + VP8ModeScore rd_uv; + + // Reconstruct + rd_uv.nz = ReconstructUV(it, &rd_uv, tmp_dst, mode); + + // Compute RD-score + rd_uv.D = VP8SSE16x8(src, tmp_dst); + rd_uv.SD = 0; // not calling TDisto here: it tends to flatten areas. + rd_uv.H = VP8FixedCostsUV[mode]; + rd_uv.R = VP8GetCostUV(it, &rd_uv); + if (mode > 0 && IsFlat(rd_uv.uv_levels[0], kNumBlocks, FLATNESS_LIMIT_UV)) { + rd_uv.R += FLATNESS_PENALTY * kNumBlocks; + } + + SetRDScore(lambda, &rd_uv); + if (mode == 0 || rd_uv.score < rd_best.score) { + CopyScore(&rd_best, &rd_uv); + rd->mode_uv = mode; + memcpy(rd->uv_levels, rd_uv.uv_levels, sizeof(rd->uv_levels)); + if (it->top_derr_ != NULL) { + memcpy(rd->derr, rd_uv.derr, sizeof(rd_uv.derr)); + } + SwapPtr(&dst, &tmp_dst); + } + } + VP8SetIntraUVMode(it, rd->mode_uv); + AddScore(rd, &rd_best); + if (dst != dst0) { // copy 16x8 block if needed + VP8Copy16x8(dst, dst0); + } + if (it->top_derr_ != NULL) { // store diffusion errors for next block + StoreDiffusionErrors(it, rd); + } +} + +//------------------------------------------------------------------------------ +// Final reconstruction and quantization. + +static void SimpleQuantize(VP8EncIterator* WEBP_RESTRICT const it, + VP8ModeScore* WEBP_RESTRICT const rd) { + const VP8Encoder* const enc = it->enc_; + const int is_i16 = (it->mb_->type_ == 1); + int nz = 0; + + if (is_i16) { + nz = ReconstructIntra16(it, rd, it->yuv_out_ + Y_OFF_ENC, it->preds_[0]); + } else { + VP8IteratorStartI4(it); + do { + const int mode = + it->preds_[(it->i4_ & 3) + (it->i4_ >> 2) * enc->preds_w_]; + const uint8_t* const src = it->yuv_in_ + Y_OFF_ENC + VP8Scan[it->i4_]; + uint8_t* const dst = it->yuv_out_ + Y_OFF_ENC + VP8Scan[it->i4_]; + VP8MakeIntra4Preds(it); + nz |= ReconstructIntra4(it, rd->y_ac_levels[it->i4_], + src, dst, mode) << it->i4_; + } while (VP8IteratorRotateI4(it, it->yuv_out_ + Y_OFF_ENC)); + } + + nz |= ReconstructUV(it, rd, it->yuv_out_ + U_OFF_ENC, it->mb_->uv_mode_); + rd->nz = nz; +} + +// Refine intra16/intra4 sub-modes based on distortion only (not rate). +static void RefineUsingDistortion(VP8EncIterator* WEBP_RESTRICT const it, + int try_both_modes, int refine_uv_mode, + VP8ModeScore* WEBP_RESTRICT const rd) { + score_t best_score = MAX_COST; + int nz = 0; + int mode; + int is_i16 = try_both_modes || (it->mb_->type_ == 1); + + const VP8SegmentInfo* const dqm = &it->enc_->dqm_[it->mb_->segment_]; + // Some empiric constants, of approximate order of magnitude. + const int lambda_d_i16 = 106; + const int lambda_d_i4 = 11; + const int lambda_d_uv = 120; + score_t score_i4 = dqm->i4_penalty_; + score_t i4_bit_sum = 0; + const score_t bit_limit = try_both_modes ? it->enc_->mb_header_limit_ + : MAX_COST; // no early-out allowed + + if (is_i16) { // First, evaluate Intra16 distortion + int best_mode = -1; + const uint8_t* const src = it->yuv_in_ + Y_OFF_ENC; + for (mode = 0; mode < NUM_PRED_MODES; ++mode) { + const uint8_t* const ref = it->yuv_p_ + VP8I16ModeOffsets[mode]; + const score_t score = (score_t)VP8SSE16x16(src, ref) * RD_DISTO_MULT + + VP8FixedCostsI16[mode] * lambda_d_i16; + if (mode > 0 && VP8FixedCostsI16[mode] > bit_limit) { + continue; + } + + if (score < best_score) { + best_mode = mode; + best_score = score; + } + } + if (it->x_ == 0 || it->y_ == 0) { + // avoid starting a checkerboard resonance from the border. See bug #432. + if (IsFlatSource16(src)) { + best_mode = (it->x_ == 0) ? 0 : 2; + try_both_modes = 0; // stick to i16 + } + } + VP8SetIntra16Mode(it, best_mode); + // we'll reconstruct later, if i16 mode actually gets selected + } + + // Next, evaluate Intra4 + if (try_both_modes || !is_i16) { + // We don't evaluate the rate here, but just account for it through a + // constant penalty (i4 mode usually needs more bits compared to i16). + is_i16 = 0; + VP8IteratorStartI4(it); + do { + int best_i4_mode = -1; + score_t best_i4_score = MAX_COST; + const uint8_t* const src = it->yuv_in_ + Y_OFF_ENC + VP8Scan[it->i4_]; + const uint16_t* const mode_costs = GetCostModeI4(it, rd->modes_i4); + + VP8MakeIntra4Preds(it); + for (mode = 0; mode < NUM_BMODES; ++mode) { + const uint8_t* const ref = it->yuv_p_ + VP8I4ModeOffsets[mode]; + const score_t score = VP8SSE4x4(src, ref) * RD_DISTO_MULT + + mode_costs[mode] * lambda_d_i4; + if (score < best_i4_score) { + best_i4_mode = mode; + best_i4_score = score; + } + } + i4_bit_sum += mode_costs[best_i4_mode]; + rd->modes_i4[it->i4_] = best_i4_mode; + score_i4 += best_i4_score; + if (score_i4 >= best_score || i4_bit_sum > bit_limit) { + // Intra4 won't be better than Intra16. Bail out and pick Intra16. + is_i16 = 1; + break; + } else { // reconstruct partial block inside yuv_out2_ buffer + uint8_t* const tmp_dst = it->yuv_out2_ + Y_OFF_ENC + VP8Scan[it->i4_]; + nz |= ReconstructIntra4(it, rd->y_ac_levels[it->i4_], + src, tmp_dst, best_i4_mode) << it->i4_; + } + } while (VP8IteratorRotateI4(it, it->yuv_out2_ + Y_OFF_ENC)); + } + + // Final reconstruction, depending on which mode is selected. + if (!is_i16) { + VP8SetIntra4Mode(it, rd->modes_i4); + SwapOut(it); + best_score = score_i4; + } else { + nz = ReconstructIntra16(it, rd, it->yuv_out_ + Y_OFF_ENC, it->preds_[0]); + } + + // ... and UV! + if (refine_uv_mode) { + int best_mode = -1; + score_t best_uv_score = MAX_COST; + const uint8_t* const src = it->yuv_in_ + U_OFF_ENC; + for (mode = 0; mode < NUM_PRED_MODES; ++mode) { + const uint8_t* const ref = it->yuv_p_ + VP8UVModeOffsets[mode]; + const score_t score = VP8SSE16x8(src, ref) * RD_DISTO_MULT + + VP8FixedCostsUV[mode] * lambda_d_uv; + if (score < best_uv_score) { + best_mode = mode; + best_uv_score = score; + } + } + VP8SetIntraUVMode(it, best_mode); + } + nz |= ReconstructUV(it, rd, it->yuv_out_ + U_OFF_ENC, it->mb_->uv_mode_); + + rd->nz = nz; + rd->score = best_score; +} + +//------------------------------------------------------------------------------ +// Entry point + +int VP8Decimate(VP8EncIterator* WEBP_RESTRICT const it, + VP8ModeScore* WEBP_RESTRICT const rd, + VP8RDLevel rd_opt) { + int is_skipped; + const int method = it->enc_->method_; + + InitScore(rd); + + // We can perform predictions for Luma16x16 and Chroma8x8 already. + // Luma4x4 predictions needs to be done as-we-go. + VP8MakeLuma16Preds(it); + VP8MakeChroma8Preds(it); + + if (rd_opt > RD_OPT_NONE) { + it->do_trellis_ = (rd_opt >= RD_OPT_TRELLIS_ALL); + PickBestIntra16(it, rd); + if (method >= 2) { + PickBestIntra4(it, rd); + } + PickBestUV(it, rd); + if (rd_opt == RD_OPT_TRELLIS) { // finish off with trellis-optim now + it->do_trellis_ = 1; + SimpleQuantize(it, rd); + } + } else { + // At this point we have heuristically decided intra16 / intra4. + // For method >= 2, pick the best intra4/intra16 based on SSE (~tad slower). + // For method <= 1, we don't re-examine the decision but just go ahead with + // quantization/reconstruction. + RefineUsingDistortion(it, (method >= 2), (method >= 1), rd); + } + is_skipped = (rd->nz == 0); + VP8SetSkip(it, is_skipped); + return is_skipped; +} diff --git a/ProductApp/Pods/libwebp/src/enc/syntax_enc.c b/ProductApp/Pods/libwebp/src/enc/syntax_enc.c new file mode 100644 index 0000000..9b8f524 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/syntax_enc.c @@ -0,0 +1,392 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Header syntax writing +// +// Author: Skal (pascal.massimino@gmail.com) + +#include + +#include "src/utils/utils.h" +#include "src/webp/format_constants.h" // RIFF constants +#include "src/webp/mux_types.h" // ALPHA_FLAG +#include "src/enc/vp8i_enc.h" + +//------------------------------------------------------------------------------ +// Helper functions + +static int IsVP8XNeeded(const VP8Encoder* const enc) { + return !!enc->has_alpha_; // Currently the only case when VP8X is needed. + // This could change in the future. +} + +static int PutPaddingByte(const WebPPicture* const pic) { + const uint8_t pad_byte[1] = { 0 }; + return !!pic->writer(pad_byte, 1, pic); +} + +//------------------------------------------------------------------------------ +// Writers for header's various pieces (in order of appearance) + +static WebPEncodingError PutRIFFHeader(const VP8Encoder* const enc, + size_t riff_size) { + const WebPPicture* const pic = enc->pic_; + uint8_t riff[RIFF_HEADER_SIZE] = { + 'R', 'I', 'F', 'F', 0, 0, 0, 0, 'W', 'E', 'B', 'P' + }; + assert(riff_size == (uint32_t)riff_size); + PutLE32(riff + TAG_SIZE, (uint32_t)riff_size); + if (!pic->writer(riff, sizeof(riff), pic)) { + return VP8_ENC_ERROR_BAD_WRITE; + } + return VP8_ENC_OK; +} + +static WebPEncodingError PutVP8XHeader(const VP8Encoder* const enc) { + const WebPPicture* const pic = enc->pic_; + uint8_t vp8x[CHUNK_HEADER_SIZE + VP8X_CHUNK_SIZE] = { + 'V', 'P', '8', 'X' + }; + uint32_t flags = 0; + + assert(IsVP8XNeeded(enc)); + assert(pic->width >= 1 && pic->height >= 1); + assert(pic->width <= MAX_CANVAS_SIZE && pic->height <= MAX_CANVAS_SIZE); + + if (enc->has_alpha_) { + flags |= ALPHA_FLAG; + } + + PutLE32(vp8x + TAG_SIZE, VP8X_CHUNK_SIZE); + PutLE32(vp8x + CHUNK_HEADER_SIZE, flags); + PutLE24(vp8x + CHUNK_HEADER_SIZE + 4, pic->width - 1); + PutLE24(vp8x + CHUNK_HEADER_SIZE + 7, pic->height - 1); + if (!pic->writer(vp8x, sizeof(vp8x), pic)) { + return VP8_ENC_ERROR_BAD_WRITE; + } + return VP8_ENC_OK; +} + +static WebPEncodingError PutAlphaChunk(const VP8Encoder* const enc) { + const WebPPicture* const pic = enc->pic_; + uint8_t alpha_chunk_hdr[CHUNK_HEADER_SIZE] = { + 'A', 'L', 'P', 'H' + }; + + assert(enc->has_alpha_); + + // Alpha chunk header. + PutLE32(alpha_chunk_hdr + TAG_SIZE, enc->alpha_data_size_); + if (!pic->writer(alpha_chunk_hdr, sizeof(alpha_chunk_hdr), pic)) { + return VP8_ENC_ERROR_BAD_WRITE; + } + + // Alpha chunk data. + if (!pic->writer(enc->alpha_data_, enc->alpha_data_size_, pic)) { + return VP8_ENC_ERROR_BAD_WRITE; + } + + // Padding. + if ((enc->alpha_data_size_ & 1) && !PutPaddingByte(pic)) { + return VP8_ENC_ERROR_BAD_WRITE; + } + return VP8_ENC_OK; +} + +static WebPEncodingError PutVP8Header(const WebPPicture* const pic, + size_t vp8_size) { + uint8_t vp8_chunk_hdr[CHUNK_HEADER_SIZE] = { + 'V', 'P', '8', ' ' + }; + assert(vp8_size == (uint32_t)vp8_size); + PutLE32(vp8_chunk_hdr + TAG_SIZE, (uint32_t)vp8_size); + if (!pic->writer(vp8_chunk_hdr, sizeof(vp8_chunk_hdr), pic)) { + return VP8_ENC_ERROR_BAD_WRITE; + } + return VP8_ENC_OK; +} + +static WebPEncodingError PutVP8FrameHeader(const WebPPicture* const pic, + int profile, size_t size0) { + uint8_t vp8_frm_hdr[VP8_FRAME_HEADER_SIZE]; + uint32_t bits; + + if (size0 >= VP8_MAX_PARTITION0_SIZE) { // partition #0 is too big to fit + return VP8_ENC_ERROR_PARTITION0_OVERFLOW; + } + + // Paragraph 9.1. + bits = 0 // keyframe (1b) + | (profile << 1) // profile (3b) + | (1 << 4) // visible (1b) + | ((uint32_t)size0 << 5); // partition length (19b) + vp8_frm_hdr[0] = (bits >> 0) & 0xff; + vp8_frm_hdr[1] = (bits >> 8) & 0xff; + vp8_frm_hdr[2] = (bits >> 16) & 0xff; + // signature + vp8_frm_hdr[3] = (VP8_SIGNATURE >> 16) & 0xff; + vp8_frm_hdr[4] = (VP8_SIGNATURE >> 8) & 0xff; + vp8_frm_hdr[5] = (VP8_SIGNATURE >> 0) & 0xff; + // dimensions + vp8_frm_hdr[6] = pic->width & 0xff; + vp8_frm_hdr[7] = pic->width >> 8; + vp8_frm_hdr[8] = pic->height & 0xff; + vp8_frm_hdr[9] = pic->height >> 8; + + if (!pic->writer(vp8_frm_hdr, sizeof(vp8_frm_hdr), pic)) { + return VP8_ENC_ERROR_BAD_WRITE; + } + return VP8_ENC_OK; +} + +// WebP Headers. +static int PutWebPHeaders(const VP8Encoder* const enc, size_t size0, + size_t vp8_size, size_t riff_size) { + WebPPicture* const pic = enc->pic_; + WebPEncodingError err = VP8_ENC_OK; + + // RIFF header. + err = PutRIFFHeader(enc, riff_size); + if (err != VP8_ENC_OK) goto Error; + + // VP8X. + if (IsVP8XNeeded(enc)) { + err = PutVP8XHeader(enc); + if (err != VP8_ENC_OK) goto Error; + } + + // Alpha. + if (enc->has_alpha_) { + err = PutAlphaChunk(enc); + if (err != VP8_ENC_OK) goto Error; + } + + // VP8 header. + err = PutVP8Header(pic, vp8_size); + if (err != VP8_ENC_OK) goto Error; + + // VP8 frame header. + err = PutVP8FrameHeader(pic, enc->profile_, size0); + if (err != VP8_ENC_OK) goto Error; + + // All OK. + return 1; + + // Error. + Error: + return WebPEncodingSetError(pic, err); +} + +// Segmentation header +static void PutSegmentHeader(VP8BitWriter* const bw, + const VP8Encoder* const enc) { + const VP8EncSegmentHeader* const hdr = &enc->segment_hdr_; + const VP8EncProba* const proba = &enc->proba_; + if (VP8PutBitUniform(bw, (hdr->num_segments_ > 1))) { + // We always 'update' the quant and filter strength values + const int update_data = 1; + int s; + VP8PutBitUniform(bw, hdr->update_map_); + if (VP8PutBitUniform(bw, update_data)) { + // we always use absolute values, not relative ones + VP8PutBitUniform(bw, 1); // (segment_feature_mode = 1. Paragraph 9.3.) + for (s = 0; s < NUM_MB_SEGMENTS; ++s) { + VP8PutSignedBits(bw, enc->dqm_[s].quant_, 7); + } + for (s = 0; s < NUM_MB_SEGMENTS; ++s) { + VP8PutSignedBits(bw, enc->dqm_[s].fstrength_, 6); + } + } + if (hdr->update_map_) { + for (s = 0; s < 3; ++s) { + if (VP8PutBitUniform(bw, (proba->segments_[s] != 255u))) { + VP8PutBits(bw, proba->segments_[s], 8); + } + } + } + } +} + +// Filtering parameters header +static void PutFilterHeader(VP8BitWriter* const bw, + const VP8EncFilterHeader* const hdr) { + const int use_lf_delta = (hdr->i4x4_lf_delta_ != 0); + VP8PutBitUniform(bw, hdr->simple_); + VP8PutBits(bw, hdr->level_, 6); + VP8PutBits(bw, hdr->sharpness_, 3); + if (VP8PutBitUniform(bw, use_lf_delta)) { + // '0' is the default value for i4x4_lf_delta_ at frame #0. + const int need_update = (hdr->i4x4_lf_delta_ != 0); + if (VP8PutBitUniform(bw, need_update)) { + // we don't use ref_lf_delta => emit four 0 bits + VP8PutBits(bw, 0, 4); + // we use mode_lf_delta for i4x4 + VP8PutSignedBits(bw, hdr->i4x4_lf_delta_, 6); + VP8PutBits(bw, 0, 3); // all others unused + } + } +} + +// Nominal quantization parameters +static void PutQuant(VP8BitWriter* const bw, + const VP8Encoder* const enc) { + VP8PutBits(bw, enc->base_quant_, 7); + VP8PutSignedBits(bw, enc->dq_y1_dc_, 4); + VP8PutSignedBits(bw, enc->dq_y2_dc_, 4); + VP8PutSignedBits(bw, enc->dq_y2_ac_, 4); + VP8PutSignedBits(bw, enc->dq_uv_dc_, 4); + VP8PutSignedBits(bw, enc->dq_uv_ac_, 4); +} + +// Partition sizes +static int EmitPartitionsSize(const VP8Encoder* const enc, + WebPPicture* const pic) { + uint8_t buf[3 * (MAX_NUM_PARTITIONS - 1)]; + int p; + for (p = 0; p < enc->num_parts_ - 1; ++p) { + const size_t part_size = VP8BitWriterSize(enc->parts_ + p); + if (part_size >= VP8_MAX_PARTITION_SIZE) { + return WebPEncodingSetError(pic, VP8_ENC_ERROR_PARTITION_OVERFLOW); + } + buf[3 * p + 0] = (part_size >> 0) & 0xff; + buf[3 * p + 1] = (part_size >> 8) & 0xff; + buf[3 * p + 2] = (part_size >> 16) & 0xff; + } + if (p && !pic->writer(buf, 3 * p, pic)) { + return WebPEncodingSetError(pic, VP8_ENC_ERROR_BAD_WRITE); + } + return 1; +} + +//------------------------------------------------------------------------------ + +static int GeneratePartition0(VP8Encoder* const enc) { + VP8BitWriter* const bw = &enc->bw_; + const int mb_size = enc->mb_w_ * enc->mb_h_; + uint64_t pos1, pos2, pos3; + + pos1 = VP8BitWriterPos(bw); + if (!VP8BitWriterInit(bw, mb_size * 7 / 8)) { // ~7 bits per macroblock + return WebPEncodingSetError(enc->pic_, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + VP8PutBitUniform(bw, 0); // colorspace + VP8PutBitUniform(bw, 0); // clamp type + + PutSegmentHeader(bw, enc); + PutFilterHeader(bw, &enc->filter_hdr_); + VP8PutBits(bw, enc->num_parts_ == 8 ? 3 : + enc->num_parts_ == 4 ? 2 : + enc->num_parts_ == 2 ? 1 : 0, 2); + PutQuant(bw, enc); + VP8PutBitUniform(bw, 0); // no proba update + VP8WriteProbas(bw, &enc->proba_); + pos2 = VP8BitWriterPos(bw); + VP8CodeIntraModes(enc); + VP8BitWriterFinish(bw); + + pos3 = VP8BitWriterPos(bw); + +#if !defined(WEBP_DISABLE_STATS) + if (enc->pic_->stats) { + enc->pic_->stats->header_bytes[0] = (int)((pos2 - pos1 + 7) >> 3); + enc->pic_->stats->header_bytes[1] = (int)((pos3 - pos2 + 7) >> 3); + enc->pic_->stats->alpha_data_size = (int)enc->alpha_data_size_; + } +#else + (void)pos1; + (void)pos2; + (void)pos3; +#endif + if (bw->error_) { + return WebPEncodingSetError(enc->pic_, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + return 1; +} + +void VP8EncFreeBitWriters(VP8Encoder* const enc) { + int p; + VP8BitWriterWipeOut(&enc->bw_); + for (p = 0; p < enc->num_parts_; ++p) { + VP8BitWriterWipeOut(enc->parts_ + p); + } +} + +int VP8EncWrite(VP8Encoder* const enc) { + WebPPicture* const pic = enc->pic_; + VP8BitWriter* const bw = &enc->bw_; + const int task_percent = 19; + const int percent_per_part = task_percent / enc->num_parts_; + const int final_percent = enc->percent_ + task_percent; + int ok = 0; + size_t vp8_size, pad, riff_size; + int p; + + // Partition #0 with header and partition sizes + ok = GeneratePartition0(enc); + if (!ok) return 0; + + // Compute VP8 size + vp8_size = VP8_FRAME_HEADER_SIZE + + VP8BitWriterSize(bw) + + 3 * (enc->num_parts_ - 1); + for (p = 0; p < enc->num_parts_; ++p) { + vp8_size += VP8BitWriterSize(enc->parts_ + p); + } + pad = vp8_size & 1; + vp8_size += pad; + + // Compute RIFF size + // At the minimum it is: "WEBPVP8 nnnn" + VP8 data size. + riff_size = TAG_SIZE + CHUNK_HEADER_SIZE + vp8_size; + if (IsVP8XNeeded(enc)) { // Add size for: VP8X header + data. + riff_size += CHUNK_HEADER_SIZE + VP8X_CHUNK_SIZE; + } + if (enc->has_alpha_) { // Add size for: ALPH header + data. + const uint32_t padded_alpha_size = enc->alpha_data_size_ + + (enc->alpha_data_size_ & 1); + riff_size += CHUNK_HEADER_SIZE + padded_alpha_size; + } + // RIFF size should fit in 32-bits. + if (riff_size > 0xfffffffeU) { + return WebPEncodingSetError(pic, VP8_ENC_ERROR_FILE_TOO_BIG); + } + + // Emit headers and partition #0 + { + const uint8_t* const part0 = VP8BitWriterBuf(bw); + const size_t size0 = VP8BitWriterSize(bw); + ok = ok && PutWebPHeaders(enc, size0, vp8_size, riff_size) + && pic->writer(part0, size0, pic) + && EmitPartitionsSize(enc, pic); + VP8BitWriterWipeOut(bw); // will free the internal buffer. + } + + // Token partitions + for (p = 0; p < enc->num_parts_; ++p) { + const uint8_t* const buf = VP8BitWriterBuf(enc->parts_ + p); + const size_t size = VP8BitWriterSize(enc->parts_ + p); + if (size) ok = ok && pic->writer(buf, size, pic); + VP8BitWriterWipeOut(enc->parts_ + p); // will free the internal buffer. + ok = ok && WebPReportProgress(pic, enc->percent_ + percent_per_part, + &enc->percent_); + } + + // Padding byte + if (ok && pad) { + ok = PutPaddingByte(pic); + } + + enc->coded_size_ = (int)(CHUNK_HEADER_SIZE + riff_size); + ok = ok && WebPReportProgress(pic, final_percent, &enc->percent_); + if (!ok) WebPEncodingSetError(pic, VP8_ENC_ERROR_BAD_WRITE); + return ok; +} + +//------------------------------------------------------------------------------ + diff --git a/ProductApp/Pods/libwebp/src/enc/token_enc.c b/ProductApp/Pods/libwebp/src/enc/token_enc.c new file mode 100644 index 0000000..3a2192a --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/token_enc.c @@ -0,0 +1,262 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Paginated token buffer +// +// A 'token' is a bit value associated with a probability, either fixed +// or a later-to-be-determined after statistics have been collected. +// For dynamic probability, we just record the slot id (idx) for the probability +// value in the final probability array (uint8_t* probas in VP8EmitTokens). +// +// Author: Skal (pascal.massimino@gmail.com) + +#include +#include +#include + +#include "src/enc/cost_enc.h" +#include "src/enc/vp8i_enc.h" +#include "src/utils/utils.h" + +#if !defined(DISABLE_TOKEN_BUFFER) + +// we use pages to reduce the number of memcpy() +#define MIN_PAGE_SIZE 8192 // minimum number of token per page +#define FIXED_PROBA_BIT (1u << 14) + +typedef uint16_t token_t; // bit #15: bit value + // bit #14: flags for constant proba or idx + // bits #0..13: slot or constant proba +struct VP8Tokens { + VP8Tokens* next_; // pointer to next page +}; +// Token data is located in memory just after the next_ field. +// This macro is used to return their address and hide the trick. +#define TOKEN_DATA(p) ((const token_t*)&(p)[1]) + +//------------------------------------------------------------------------------ + +void VP8TBufferInit(VP8TBuffer* const b, int page_size) { + b->tokens_ = NULL; + b->pages_ = NULL; + b->last_page_ = &b->pages_; + b->left_ = 0; + b->page_size_ = (page_size < MIN_PAGE_SIZE) ? MIN_PAGE_SIZE : page_size; + b->error_ = 0; +} + +void VP8TBufferClear(VP8TBuffer* const b) { + if (b != NULL) { + VP8Tokens* p = b->pages_; + while (p != NULL) { + VP8Tokens* const next = p->next_; + WebPSafeFree(p); + p = next; + } + VP8TBufferInit(b, b->page_size_); + } +} + +static int TBufferNewPage(VP8TBuffer* const b) { + VP8Tokens* page = NULL; + if (!b->error_) { + const size_t size = sizeof(*page) + b->page_size_ * sizeof(token_t); + page = (VP8Tokens*)WebPSafeMalloc(1ULL, size); + } + if (page == NULL) { + b->error_ = 1; + return 0; + } + page->next_ = NULL; + + *b->last_page_ = page; + b->last_page_ = &page->next_; + b->left_ = b->page_size_; + b->tokens_ = (token_t*)TOKEN_DATA(page); + return 1; +} + +//------------------------------------------------------------------------------ + +#define TOKEN_ID(t, b, ctx) \ + (NUM_PROBAS * ((ctx) + NUM_CTX * ((b) + NUM_BANDS * (t)))) + +static WEBP_INLINE uint32_t AddToken(VP8TBuffer* const b, uint32_t bit, + uint32_t proba_idx, + proba_t* const stats) { + assert(proba_idx < FIXED_PROBA_BIT); + assert(bit <= 1); + if (b->left_ > 0 || TBufferNewPage(b)) { + const int slot = --b->left_; + b->tokens_[slot] = (bit << 15) | proba_idx; + } + VP8RecordStats(bit, stats); + return bit; +} + +static WEBP_INLINE void AddConstantToken(VP8TBuffer* const b, + uint32_t bit, uint32_t proba) { + assert(proba < 256); + assert(bit <= 1); + if (b->left_ > 0 || TBufferNewPage(b)) { + const int slot = --b->left_; + b->tokens_[slot] = (bit << 15) | FIXED_PROBA_BIT | proba; + } +} + +int VP8RecordCoeffTokens(int ctx, const struct VP8Residual* const res, + VP8TBuffer* const tokens) { + const int16_t* const coeffs = res->coeffs; + const int coeff_type = res->coeff_type; + const int last = res->last; + int n = res->first; + uint32_t base_id = TOKEN_ID(coeff_type, n, ctx); + // should be stats[VP8EncBands[n]], but it's equivalent for n=0 or 1 + proba_t* s = res->stats[n][ctx]; + if (!AddToken(tokens, last >= 0, base_id + 0, s + 0)) { + return 0; + } + + while (n < 16) { + const int c = coeffs[n++]; + const int sign = c < 0; + const uint32_t v = sign ? -c : c; + if (!AddToken(tokens, v != 0, base_id + 1, s + 1)) { + base_id = TOKEN_ID(coeff_type, VP8EncBands[n], 0); // ctx=0 + s = res->stats[VP8EncBands[n]][0]; + continue; + } + if (!AddToken(tokens, v > 1, base_id + 2, s + 2)) { + base_id = TOKEN_ID(coeff_type, VP8EncBands[n], 1); // ctx=1 + s = res->stats[VP8EncBands[n]][1]; + } else { + if (!AddToken(tokens, v > 4, base_id + 3, s + 3)) { + if (AddToken(tokens, v != 2, base_id + 4, s + 4)) { + AddToken(tokens, v == 4, base_id + 5, s + 5); + } + } else if (!AddToken(tokens, v > 10, base_id + 6, s + 6)) { + if (!AddToken(tokens, v > 6, base_id + 7, s + 7)) { + AddConstantToken(tokens, v == 6, 159); + } else { + AddConstantToken(tokens, v >= 9, 165); + AddConstantToken(tokens, !(v & 1), 145); + } + } else { + int mask; + const uint8_t* tab; + uint32_t residue = v - 3; + if (residue < (8 << 1)) { // VP8Cat3 (3b) + AddToken(tokens, 0, base_id + 8, s + 8); + AddToken(tokens, 0, base_id + 9, s + 9); + residue -= (8 << 0); + mask = 1 << 2; + tab = VP8Cat3; + } else if (residue < (8 << 2)) { // VP8Cat4 (4b) + AddToken(tokens, 0, base_id + 8, s + 8); + AddToken(tokens, 1, base_id + 9, s + 9); + residue -= (8 << 1); + mask = 1 << 3; + tab = VP8Cat4; + } else if (residue < (8 << 3)) { // VP8Cat5 (5b) + AddToken(tokens, 1, base_id + 8, s + 8); + AddToken(tokens, 0, base_id + 10, s + 9); + residue -= (8 << 2); + mask = 1 << 4; + tab = VP8Cat5; + } else { // VP8Cat6 (11b) + AddToken(tokens, 1, base_id + 8, s + 8); + AddToken(tokens, 1, base_id + 10, s + 9); + residue -= (8 << 3); + mask = 1 << 10; + tab = VP8Cat6; + } + while (mask) { + AddConstantToken(tokens, !!(residue & mask), *tab++); + mask >>= 1; + } + } + base_id = TOKEN_ID(coeff_type, VP8EncBands[n], 2); // ctx=2 + s = res->stats[VP8EncBands[n]][2]; + } + AddConstantToken(tokens, sign, 128); + if (n == 16 || !AddToken(tokens, n <= last, base_id + 0, s + 0)) { + return 1; // EOB + } + } + return 1; +} + +#undef TOKEN_ID + +//------------------------------------------------------------------------------ +// Final coding pass, with known probabilities + +int VP8EmitTokens(VP8TBuffer* const b, VP8BitWriter* const bw, + const uint8_t* const probas, int final_pass) { + const VP8Tokens* p = b->pages_; + assert(!b->error_); + while (p != NULL) { + const VP8Tokens* const next = p->next_; + const int N = (next == NULL) ? b->left_ : 0; + int n = b->page_size_; + const token_t* const tokens = TOKEN_DATA(p); + while (n-- > N) { + const token_t token = tokens[n]; + const int bit = (token >> 15) & 1; + if (token & FIXED_PROBA_BIT) { + VP8PutBit(bw, bit, token & 0xffu); // constant proba + } else { + VP8PutBit(bw, bit, probas[token & 0x3fffu]); + } + } + if (final_pass) WebPSafeFree((void*)p); + p = next; + } + if (final_pass) b->pages_ = NULL; + return 1; +} + +// Size estimation +size_t VP8EstimateTokenSize(VP8TBuffer* const b, const uint8_t* const probas) { + size_t size = 0; + const VP8Tokens* p = b->pages_; + assert(!b->error_); + while (p != NULL) { + const VP8Tokens* const next = p->next_; + const int N = (next == NULL) ? b->left_ : 0; + int n = b->page_size_; + const token_t* const tokens = TOKEN_DATA(p); + while (n-- > N) { + const token_t token = tokens[n]; + const int bit = token & (1 << 15); + if (token & FIXED_PROBA_BIT) { + size += VP8BitCost(bit, token & 0xffu); + } else { + size += VP8BitCost(bit, probas[token & 0x3fffu]); + } + } + p = next; + } + return size; +} + +//------------------------------------------------------------------------------ + +#else // DISABLE_TOKEN_BUFFER + +void VP8TBufferInit(VP8TBuffer* const b, int page_size) { + (void)b; + (void)page_size; +} +void VP8TBufferClear(VP8TBuffer* const b) { + (void)b; +} + +#endif // !DISABLE_TOKEN_BUFFER + diff --git a/ProductApp/Pods/libwebp/src/enc/tree_enc.c b/ProductApp/Pods/libwebp/src/enc/tree_enc.c new file mode 100644 index 0000000..64ed283 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/tree_enc.c @@ -0,0 +1,504 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Coding of token probabilities, intra modes and segments. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/enc/vp8i_enc.h" + +//------------------------------------------------------------------------------ +// Default probabilities + +// Paragraph 13.5 +const uint8_t + VP8CoeffsProba0[NUM_TYPES][NUM_BANDS][NUM_CTX][NUM_PROBAS] = { + { { { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 } + }, + { { 253, 136, 254, 255, 228, 219, 128, 128, 128, 128, 128 }, + { 189, 129, 242, 255, 227, 213, 255, 219, 128, 128, 128 }, + { 106, 126, 227, 252, 214, 209, 255, 255, 128, 128, 128 } + }, + { { 1, 98, 248, 255, 236, 226, 255, 255, 128, 128, 128 }, + { 181, 133, 238, 254, 221, 234, 255, 154, 128, 128, 128 }, + { 78, 134, 202, 247, 198, 180, 255, 219, 128, 128, 128 }, + }, + { { 1, 185, 249, 255, 243, 255, 128, 128, 128, 128, 128 }, + { 184, 150, 247, 255, 236, 224, 128, 128, 128, 128, 128 }, + { 77, 110, 216, 255, 236, 230, 128, 128, 128, 128, 128 }, + }, + { { 1, 101, 251, 255, 241, 255, 128, 128, 128, 128, 128 }, + { 170, 139, 241, 252, 236, 209, 255, 255, 128, 128, 128 }, + { 37, 116, 196, 243, 228, 255, 255, 255, 128, 128, 128 } + }, + { { 1, 204, 254, 255, 245, 255, 128, 128, 128, 128, 128 }, + { 207, 160, 250, 255, 238, 128, 128, 128, 128, 128, 128 }, + { 102, 103, 231, 255, 211, 171, 128, 128, 128, 128, 128 } + }, + { { 1, 152, 252, 255, 240, 255, 128, 128, 128, 128, 128 }, + { 177, 135, 243, 255, 234, 225, 128, 128, 128, 128, 128 }, + { 80, 129, 211, 255, 194, 224, 128, 128, 128, 128, 128 } + }, + { { 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 246, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 255, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 } + } + }, + { { { 198, 35, 237, 223, 193, 187, 162, 160, 145, 155, 62 }, + { 131, 45, 198, 221, 172, 176, 220, 157, 252, 221, 1 }, + { 68, 47, 146, 208, 149, 167, 221, 162, 255, 223, 128 } + }, + { { 1, 149, 241, 255, 221, 224, 255, 255, 128, 128, 128 }, + { 184, 141, 234, 253, 222, 220, 255, 199, 128, 128, 128 }, + { 81, 99, 181, 242, 176, 190, 249, 202, 255, 255, 128 } + }, + { { 1, 129, 232, 253, 214, 197, 242, 196, 255, 255, 128 }, + { 99, 121, 210, 250, 201, 198, 255, 202, 128, 128, 128 }, + { 23, 91, 163, 242, 170, 187, 247, 210, 255, 255, 128 } + }, + { { 1, 200, 246, 255, 234, 255, 128, 128, 128, 128, 128 }, + { 109, 178, 241, 255, 231, 245, 255, 255, 128, 128, 128 }, + { 44, 130, 201, 253, 205, 192, 255, 255, 128, 128, 128 } + }, + { { 1, 132, 239, 251, 219, 209, 255, 165, 128, 128, 128 }, + { 94, 136, 225, 251, 218, 190, 255, 255, 128, 128, 128 }, + { 22, 100, 174, 245, 186, 161, 255, 199, 128, 128, 128 } + }, + { { 1, 182, 249, 255, 232, 235, 128, 128, 128, 128, 128 }, + { 124, 143, 241, 255, 227, 234, 128, 128, 128, 128, 128 }, + { 35, 77, 181, 251, 193, 211, 255, 205, 128, 128, 128 } + }, + { { 1, 157, 247, 255, 236, 231, 255, 255, 128, 128, 128 }, + { 121, 141, 235, 255, 225, 227, 255, 255, 128, 128, 128 }, + { 45, 99, 188, 251, 195, 217, 255, 224, 128, 128, 128 } + }, + { { 1, 1, 251, 255, 213, 255, 128, 128, 128, 128, 128 }, + { 203, 1, 248, 255, 255, 128, 128, 128, 128, 128, 128 }, + { 137, 1, 177, 255, 224, 255, 128, 128, 128, 128, 128 } + } + }, + { { { 253, 9, 248, 251, 207, 208, 255, 192, 128, 128, 128 }, + { 175, 13, 224, 243, 193, 185, 249, 198, 255, 255, 128 }, + { 73, 17, 171, 221, 161, 179, 236, 167, 255, 234, 128 } + }, + { { 1, 95, 247, 253, 212, 183, 255, 255, 128, 128, 128 }, + { 239, 90, 244, 250, 211, 209, 255, 255, 128, 128, 128 }, + { 155, 77, 195, 248, 188, 195, 255, 255, 128, 128, 128 } + }, + { { 1, 24, 239, 251, 218, 219, 255, 205, 128, 128, 128 }, + { 201, 51, 219, 255, 196, 186, 128, 128, 128, 128, 128 }, + { 69, 46, 190, 239, 201, 218, 255, 228, 128, 128, 128 } + }, + { { 1, 191, 251, 255, 255, 128, 128, 128, 128, 128, 128 }, + { 223, 165, 249, 255, 213, 255, 128, 128, 128, 128, 128 }, + { 141, 124, 248, 255, 255, 128, 128, 128, 128, 128, 128 } + }, + { { 1, 16, 248, 255, 255, 128, 128, 128, 128, 128, 128 }, + { 190, 36, 230, 255, 236, 255, 128, 128, 128, 128, 128 }, + { 149, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 } + }, + { { 1, 226, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 247, 192, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 240, 128, 255, 128, 128, 128, 128, 128, 128, 128, 128 } + }, + { { 1, 134, 252, 255, 255, 128, 128, 128, 128, 128, 128 }, + { 213, 62, 250, 255, 255, 128, 128, 128, 128, 128, 128 }, + { 55, 93, 255, 128, 128, 128, 128, 128, 128, 128, 128 } + }, + { { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 } + } + }, + { { { 202, 24, 213, 235, 186, 191, 220, 160, 240, 175, 255 }, + { 126, 38, 182, 232, 169, 184, 228, 174, 255, 187, 128 }, + { 61, 46, 138, 219, 151, 178, 240, 170, 255, 216, 128 } + }, + { { 1, 112, 230, 250, 199, 191, 247, 159, 255, 255, 128 }, + { 166, 109, 228, 252, 211, 215, 255, 174, 128, 128, 128 }, + { 39, 77, 162, 232, 172, 180, 245, 178, 255, 255, 128 } + }, + { { 1, 52, 220, 246, 198, 199, 249, 220, 255, 255, 128 }, + { 124, 74, 191, 243, 183, 193, 250, 221, 255, 255, 128 }, + { 24, 71, 130, 219, 154, 170, 243, 182, 255, 255, 128 } + }, + { { 1, 182, 225, 249, 219, 240, 255, 224, 128, 128, 128 }, + { 149, 150, 226, 252, 216, 205, 255, 171, 128, 128, 128 }, + { 28, 108, 170, 242, 183, 194, 254, 223, 255, 255, 128 } + }, + { { 1, 81, 230, 252, 204, 203, 255, 192, 128, 128, 128 }, + { 123, 102, 209, 247, 188, 196, 255, 233, 128, 128, 128 }, + { 20, 95, 153, 243, 164, 173, 255, 203, 128, 128, 128 } + }, + { { 1, 222, 248, 255, 216, 213, 128, 128, 128, 128, 128 }, + { 168, 175, 246, 252, 235, 205, 255, 255, 128, 128, 128 }, + { 47, 116, 215, 255, 211, 212, 255, 255, 128, 128, 128 } + }, + { { 1, 121, 236, 253, 212, 214, 255, 255, 128, 128, 128 }, + { 141, 84, 213, 252, 201, 202, 255, 219, 128, 128, 128 }, + { 42, 80, 160, 240, 162, 185, 255, 205, 128, 128, 128 } + }, + { { 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 244, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, + { 238, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 } + } + } +}; + +void VP8DefaultProbas(VP8Encoder* const enc) { + VP8EncProba* const probas = &enc->proba_; + probas->use_skip_proba_ = 0; + memset(probas->segments_, 255u, sizeof(probas->segments_)); + memcpy(probas->coeffs_, VP8CoeffsProba0, sizeof(VP8CoeffsProba0)); + // Note: we could hard-code the level_costs_ corresponding to VP8CoeffsProba0, + // but that's ~11k of static data. Better call VP8CalculateLevelCosts() later. + probas->dirty_ = 1; +} + +// Paragraph 11.5. 900bytes. +static const uint8_t kBModesProba[NUM_BMODES][NUM_BMODES][NUM_BMODES - 1] = { + { { 231, 120, 48, 89, 115, 113, 120, 152, 112 }, + { 152, 179, 64, 126, 170, 118, 46, 70, 95 }, + { 175, 69, 143, 80, 85, 82, 72, 155, 103 }, + { 56, 58, 10, 171, 218, 189, 17, 13, 152 }, + { 114, 26, 17, 163, 44, 195, 21, 10, 173 }, + { 121, 24, 80, 195, 26, 62, 44, 64, 85 }, + { 144, 71, 10, 38, 171, 213, 144, 34, 26 }, + { 170, 46, 55, 19, 136, 160, 33, 206, 71 }, + { 63, 20, 8, 114, 114, 208, 12, 9, 226 }, + { 81, 40, 11, 96, 182, 84, 29, 16, 36 } }, + { { 134, 183, 89, 137, 98, 101, 106, 165, 148 }, + { 72, 187, 100, 130, 157, 111, 32, 75, 80 }, + { 66, 102, 167, 99, 74, 62, 40, 234, 128 }, + { 41, 53, 9, 178, 241, 141, 26, 8, 107 }, + { 74, 43, 26, 146, 73, 166, 49, 23, 157 }, + { 65, 38, 105, 160, 51, 52, 31, 115, 128 }, + { 104, 79, 12, 27, 217, 255, 87, 17, 7 }, + { 87, 68, 71, 44, 114, 51, 15, 186, 23 }, + { 47, 41, 14, 110, 182, 183, 21, 17, 194 }, + { 66, 45, 25, 102, 197, 189, 23, 18, 22 } }, + { { 88, 88, 147, 150, 42, 46, 45, 196, 205 }, + { 43, 97, 183, 117, 85, 38, 35, 179, 61 }, + { 39, 53, 200, 87, 26, 21, 43, 232, 171 }, + { 56, 34, 51, 104, 114, 102, 29, 93, 77 }, + { 39, 28, 85, 171, 58, 165, 90, 98, 64 }, + { 34, 22, 116, 206, 23, 34, 43, 166, 73 }, + { 107, 54, 32, 26, 51, 1, 81, 43, 31 }, + { 68, 25, 106, 22, 64, 171, 36, 225, 114 }, + { 34, 19, 21, 102, 132, 188, 16, 76, 124 }, + { 62, 18, 78, 95, 85, 57, 50, 48, 51 } }, + { { 193, 101, 35, 159, 215, 111, 89, 46, 111 }, + { 60, 148, 31, 172, 219, 228, 21, 18, 111 }, + { 112, 113, 77, 85, 179, 255, 38, 120, 114 }, + { 40, 42, 1, 196, 245, 209, 10, 25, 109 }, + { 88, 43, 29, 140, 166, 213, 37, 43, 154 }, + { 61, 63, 30, 155, 67, 45, 68, 1, 209 }, + { 100, 80, 8, 43, 154, 1, 51, 26, 71 }, + { 142, 78, 78, 16, 255, 128, 34, 197, 171 }, + { 41, 40, 5, 102, 211, 183, 4, 1, 221 }, + { 51, 50, 17, 168, 209, 192, 23, 25, 82 } }, + { { 138, 31, 36, 171, 27, 166, 38, 44, 229 }, + { 67, 87, 58, 169, 82, 115, 26, 59, 179 }, + { 63, 59, 90, 180, 59, 166, 93, 73, 154 }, + { 40, 40, 21, 116, 143, 209, 34, 39, 175 }, + { 47, 15, 16, 183, 34, 223, 49, 45, 183 }, + { 46, 17, 33, 183, 6, 98, 15, 32, 183 }, + { 57, 46, 22, 24, 128, 1, 54, 17, 37 }, + { 65, 32, 73, 115, 28, 128, 23, 128, 205 }, + { 40, 3, 9, 115, 51, 192, 18, 6, 223 }, + { 87, 37, 9, 115, 59, 77, 64, 21, 47 } }, + { { 104, 55, 44, 218, 9, 54, 53, 130, 226 }, + { 64, 90, 70, 205, 40, 41, 23, 26, 57 }, + { 54, 57, 112, 184, 5, 41, 38, 166, 213 }, + { 30, 34, 26, 133, 152, 116, 10, 32, 134 }, + { 39, 19, 53, 221, 26, 114, 32, 73, 255 }, + { 31, 9, 65, 234, 2, 15, 1, 118, 73 }, + { 75, 32, 12, 51, 192, 255, 160, 43, 51 }, + { 88, 31, 35, 67, 102, 85, 55, 186, 85 }, + { 56, 21, 23, 111, 59, 205, 45, 37, 192 }, + { 55, 38, 70, 124, 73, 102, 1, 34, 98 } }, + { { 125, 98, 42, 88, 104, 85, 117, 175, 82 }, + { 95, 84, 53, 89, 128, 100, 113, 101, 45 }, + { 75, 79, 123, 47, 51, 128, 81, 171, 1 }, + { 57, 17, 5, 71, 102, 57, 53, 41, 49 }, + { 38, 33, 13, 121, 57, 73, 26, 1, 85 }, + { 41, 10, 67, 138, 77, 110, 90, 47, 114 }, + { 115, 21, 2, 10, 102, 255, 166, 23, 6 }, + { 101, 29, 16, 10, 85, 128, 101, 196, 26 }, + { 57, 18, 10, 102, 102, 213, 34, 20, 43 }, + { 117, 20, 15, 36, 163, 128, 68, 1, 26 } }, + { { 102, 61, 71, 37, 34, 53, 31, 243, 192 }, + { 69, 60, 71, 38, 73, 119, 28, 222, 37 }, + { 68, 45, 128, 34, 1, 47, 11, 245, 171 }, + { 62, 17, 19, 70, 146, 85, 55, 62, 70 }, + { 37, 43, 37, 154, 100, 163, 85, 160, 1 }, + { 63, 9, 92, 136, 28, 64, 32, 201, 85 }, + { 75, 15, 9, 9, 64, 255, 184, 119, 16 }, + { 86, 6, 28, 5, 64, 255, 25, 248, 1 }, + { 56, 8, 17, 132, 137, 255, 55, 116, 128 }, + { 58, 15, 20, 82, 135, 57, 26, 121, 40 } }, + { { 164, 50, 31, 137, 154, 133, 25, 35, 218 }, + { 51, 103, 44, 131, 131, 123, 31, 6, 158 }, + { 86, 40, 64, 135, 148, 224, 45, 183, 128 }, + { 22, 26, 17, 131, 240, 154, 14, 1, 209 }, + { 45, 16, 21, 91, 64, 222, 7, 1, 197 }, + { 56, 21, 39, 155, 60, 138, 23, 102, 213 }, + { 83, 12, 13, 54, 192, 255, 68, 47, 28 }, + { 85, 26, 85, 85, 128, 128, 32, 146, 171 }, + { 18, 11, 7, 63, 144, 171, 4, 4, 246 }, + { 35, 27, 10, 146, 174, 171, 12, 26, 128 } }, + { { 190, 80, 35, 99, 180, 80, 126, 54, 45 }, + { 85, 126, 47, 87, 176, 51, 41, 20, 32 }, + { 101, 75, 128, 139, 118, 146, 116, 128, 85 }, + { 56, 41, 15, 176, 236, 85, 37, 9, 62 }, + { 71, 30, 17, 119, 118, 255, 17, 18, 138 }, + { 101, 38, 60, 138, 55, 70, 43, 26, 142 }, + { 146, 36, 19, 30, 171, 255, 97, 27, 20 }, + { 138, 45, 61, 62, 219, 1, 81, 188, 64 }, + { 32, 41, 20, 117, 151, 142, 20, 21, 163 }, + { 112, 19, 12, 61, 195, 128, 48, 4, 24 } } +}; + +static int PutI4Mode(VP8BitWriter* const bw, int mode, + const uint8_t* const prob) { + if (VP8PutBit(bw, mode != B_DC_PRED, prob[0])) { + if (VP8PutBit(bw, mode != B_TM_PRED, prob[1])) { + if (VP8PutBit(bw, mode != B_VE_PRED, prob[2])) { + if (!VP8PutBit(bw, mode >= B_LD_PRED, prob[3])) { + if (VP8PutBit(bw, mode != B_HE_PRED, prob[4])) { + VP8PutBit(bw, mode != B_RD_PRED, prob[5]); + } + } else { + if (VP8PutBit(bw, mode != B_LD_PRED, prob[6])) { + if (VP8PutBit(bw, mode != B_VL_PRED, prob[7])) { + VP8PutBit(bw, mode != B_HD_PRED, prob[8]); + } + } + } + } + } + } + return mode; +} + +static void PutI16Mode(VP8BitWriter* const bw, int mode) { + if (VP8PutBit(bw, (mode == TM_PRED || mode == H_PRED), 156)) { + VP8PutBit(bw, mode == TM_PRED, 128); // TM or HE + } else { + VP8PutBit(bw, mode == V_PRED, 163); // VE or DC + } +} + +static void PutUVMode(VP8BitWriter* const bw, int uv_mode) { + if (VP8PutBit(bw, uv_mode != DC_PRED, 142)) { + if (VP8PutBit(bw, uv_mode != V_PRED, 114)) { + VP8PutBit(bw, uv_mode != H_PRED, 183); // else: TM_PRED + } + } +} + +static void PutSegment(VP8BitWriter* const bw, int s, const uint8_t* p) { + if (VP8PutBit(bw, s >= 2, p[0])) p += 1; + VP8PutBit(bw, s & 1, p[1]); +} + +void VP8CodeIntraModes(VP8Encoder* const enc) { + VP8BitWriter* const bw = &enc->bw_; + VP8EncIterator it; + VP8IteratorInit(enc, &it); + do { + const VP8MBInfo* const mb = it.mb_; + const uint8_t* preds = it.preds_; + if (enc->segment_hdr_.update_map_) { + PutSegment(bw, mb->segment_, enc->proba_.segments_); + } + if (enc->proba_.use_skip_proba_) { + VP8PutBit(bw, mb->skip_, enc->proba_.skip_proba_); + } + if (VP8PutBit(bw, (mb->type_ != 0), 145)) { // i16x16 + PutI16Mode(bw, preds[0]); + } else { + const int preds_w = enc->preds_w_; + const uint8_t* top_pred = preds - preds_w; + int x, y; + for (y = 0; y < 4; ++y) { + int left = preds[-1]; + for (x = 0; x < 4; ++x) { + const uint8_t* const probas = kBModesProba[top_pred[x]][left]; + left = PutI4Mode(bw, preds[x], probas); + } + top_pred = preds; + preds += preds_w; + } + } + PutUVMode(bw, mb->uv_mode_); + } while (VP8IteratorNext(&it)); +} + +//------------------------------------------------------------------------------ +// Paragraph 13 + +const uint8_t + VP8CoeffsUpdateProba[NUM_TYPES][NUM_BANDS][NUM_CTX][NUM_PROBAS] = { + { { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 176, 246, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 223, 241, 252, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 249, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 244, 252, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 234, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 246, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 239, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 251, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 251, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 254, 253, 255, 254, 255, 255, 255, 255, 255, 255 }, + { 250, 255, 254, 255, 254, 255, 255, 255, 255, 255, 255 }, + { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + } + }, + { { { 217, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 225, 252, 241, 253, 255, 255, 254, 255, 255, 255, 255 }, + { 234, 250, 241, 250, 253, 255, 253, 254, 255, 255, 255 } + }, + { { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 223, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 238, 253, 254, 254, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 249, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 253, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 247, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 252, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + } + }, + { { { 186, 251, 250, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 234, 251, 244, 254, 255, 255, 255, 255, 255, 255, 255 }, + { 251, 251, 243, 253, 254, 255, 254, 255, 255, 255, 255 } + }, + { { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 236, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 251, 253, 253, 254, 254, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 254, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 254, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + } + }, + { { { 248, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 250, 254, 252, 254, 255, 255, 255, 255, 255, 255, 255 }, + { 248, 254, 249, 253, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 246, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 252, 254, 251, 254, 254, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 254, 252, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 248, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 253, 255, 254, 254, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 245, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 253, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 251, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 252, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 252, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 249, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 255, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + }, + { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, + { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } + } + } +}; + +void VP8WriteProbas(VP8BitWriter* const bw, const VP8EncProba* const probas) { + int t, b, c, p; + for (t = 0; t < NUM_TYPES; ++t) { + for (b = 0; b < NUM_BANDS; ++b) { + for (c = 0; c < NUM_CTX; ++c) { + for (p = 0; p < NUM_PROBAS; ++p) { + const uint8_t p0 = probas->coeffs_[t][b][c][p]; + const int update = (p0 != VP8CoeffsProba0[t][b][c][p]); + if (VP8PutBit(bw, update, VP8CoeffsUpdateProba[t][b][c][p])) { + VP8PutBits(bw, p0, 8); + } + } + } + } + } + if (VP8PutBitUniform(bw, probas->use_skip_proba_)) { + VP8PutBits(bw, probas->skip_proba_, 8); + } +} + diff --git a/ProductApp/Pods/libwebp/src/enc/vp8i_enc.h b/ProductApp/Pods/libwebp/src/enc/vp8i_enc.h new file mode 100644 index 0000000..0864fbf --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/vp8i_enc.h @@ -0,0 +1,523 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// WebP encoder: internal header. +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_ENC_VP8I_ENC_H_ +#define WEBP_ENC_VP8I_ENC_H_ + +#include // for memcpy() +#include "src/dec/common_dec.h" +#include "src/dsp/dsp.h" +#include "src/utils/bit_writer_utils.h" +#include "src/utils/thread_utils.h" +#include "src/utils/utils.h" +#include "src/webp/encode.h" + +#ifdef __cplusplus +extern "C" { +#endif + +//------------------------------------------------------------------------------ +// Various defines and enums + +// version numbers +#define ENC_MAJ_VERSION 1 +#define ENC_MIN_VERSION 3 +#define ENC_REV_VERSION 2 + +enum { MAX_LF_LEVELS = 64, // Maximum loop filter level + MAX_VARIABLE_LEVEL = 67, // last (inclusive) level with variable cost + MAX_LEVEL = 2047 // max level (note: max codable is 2047 + 67) + }; + +typedef enum { // Rate-distortion optimization levels + RD_OPT_NONE = 0, // no rd-opt + RD_OPT_BASIC = 1, // basic scoring (no trellis) + RD_OPT_TRELLIS = 2, // perform trellis-quant on the final decision only + RD_OPT_TRELLIS_ALL = 3 // trellis-quant for every scoring (much slower) +} VP8RDLevel; + +// YUV-cache parameters. Cache is 32-bytes wide (= one cacheline). +// The original or reconstructed samples can be accessed using VP8Scan[]. +// The predicted blocks can be accessed using offsets to yuv_p_ and +// the arrays VP8*ModeOffsets[]. +// * YUV Samples area (yuv_in_/yuv_out_/yuv_out2_) +// (see VP8Scan[] for accessing the blocks, along with +// Y_OFF_ENC/U_OFF_ENC/V_OFF_ENC): +// +----+----+ +// Y_OFF_ENC |YYYY|UUVV| +// U_OFF_ENC |YYYY|UUVV| +// V_OFF_ENC |YYYY|....| <- 25% wasted U/V area +// |YYYY|....| +// +----+----+ +// * Prediction area ('yuv_p_', size = PRED_SIZE_ENC) +// Intra16 predictions (16x16 block each, two per row): +// |I16DC16|I16TM16| +// |I16VE16|I16HE16| +// Chroma U/V predictions (16x8 block each, two per row): +// |C8DC8|C8TM8| +// |C8VE8|C8HE8| +// Intra 4x4 predictions (4x4 block each) +// |I4DC4 I4TM4 I4VE4 I4HE4|I4RD4 I4VR4 I4LD4 I4VL4| +// |I4HD4 I4HU4 I4TMP .....|.......................| <- ~31% wasted +#define YUV_SIZE_ENC (BPS * 16) +#define PRED_SIZE_ENC (32 * BPS + 16 * BPS + 8 * BPS) // I16+Chroma+I4 preds +#define Y_OFF_ENC (0) +#define U_OFF_ENC (16) +#define V_OFF_ENC (16 + 8) + +extern const uint16_t VP8Scan[16]; +extern const uint16_t VP8UVModeOffsets[4]; +extern const uint16_t VP8I16ModeOffsets[4]; +extern const uint16_t VP8I4ModeOffsets[NUM_BMODES]; + +// Layout of prediction blocks +// intra 16x16 +#define I16DC16 (0 * 16 * BPS) +#define I16TM16 (I16DC16 + 16) +#define I16VE16 (1 * 16 * BPS) +#define I16HE16 (I16VE16 + 16) +// chroma 8x8, two U/V blocks side by side (hence: 16x8 each) +#define C8DC8 (2 * 16 * BPS) +#define C8TM8 (C8DC8 + 1 * 16) +#define C8VE8 (2 * 16 * BPS + 8 * BPS) +#define C8HE8 (C8VE8 + 1 * 16) +// intra 4x4 +#define I4DC4 (3 * 16 * BPS + 0) +#define I4TM4 (I4DC4 + 4) +#define I4VE4 (I4DC4 + 8) +#define I4HE4 (I4DC4 + 12) +#define I4RD4 (I4DC4 + 16) +#define I4VR4 (I4DC4 + 20) +#define I4LD4 (I4DC4 + 24) +#define I4VL4 (I4DC4 + 28) +#define I4HD4 (3 * 16 * BPS + 4 * BPS) +#define I4HU4 (I4HD4 + 4) +#define I4TMP (I4HD4 + 8) + +typedef int64_t score_t; // type used for scores, rate, distortion +// Note that MAX_COST is not the maximum allowed by sizeof(score_t), +// in order to allow overflowing computations. +#define MAX_COST ((score_t)0x7fffffffffffffLL) + +#define QFIX 17 +#define BIAS(b) ((b) << (QFIX - 8)) +// Fun fact: this is the _only_ line where we're actually being lossy and +// discarding bits. +static WEBP_INLINE int QUANTDIV(uint32_t n, uint32_t iQ, uint32_t B) { + return (int)((n * iQ + B) >> QFIX); +} + +// Uncomment the following to remove token-buffer code: +// #define DISABLE_TOKEN_BUFFER + +// quality below which error-diffusion is enabled +#define ERROR_DIFFUSION_QUALITY 98 + +//------------------------------------------------------------------------------ +// Headers + +typedef uint32_t proba_t; // 16b + 16b +typedef uint8_t ProbaArray[NUM_CTX][NUM_PROBAS]; +typedef proba_t StatsArray[NUM_CTX][NUM_PROBAS]; +typedef uint16_t CostArray[NUM_CTX][MAX_VARIABLE_LEVEL + 1]; +typedef const uint16_t* (*CostArrayPtr)[NUM_CTX]; // for easy casting +typedef const uint16_t* CostArrayMap[16][NUM_CTX]; +typedef double LFStats[NUM_MB_SEGMENTS][MAX_LF_LEVELS]; // filter stats + +typedef struct VP8Encoder VP8Encoder; + +// segment features +typedef struct { + int num_segments_; // Actual number of segments. 1 segment only = unused. + int update_map_; // whether to update the segment map or not. + // must be 0 if there's only 1 segment. + int size_; // bit-cost for transmitting the segment map +} VP8EncSegmentHeader; + +// Struct collecting all frame-persistent probabilities. +typedef struct { + uint8_t segments_[3]; // probabilities for segment tree + uint8_t skip_proba_; // final probability of being skipped. + ProbaArray coeffs_[NUM_TYPES][NUM_BANDS]; // 1056 bytes + StatsArray stats_[NUM_TYPES][NUM_BANDS]; // 4224 bytes + CostArray level_cost_[NUM_TYPES][NUM_BANDS]; // 13056 bytes + CostArrayMap remapped_costs_[NUM_TYPES]; // 1536 bytes + int dirty_; // if true, need to call VP8CalculateLevelCosts() + int use_skip_proba_; // Note: we always use skip_proba for now. + int nb_skip_; // number of skipped blocks +} VP8EncProba; + +// Filter parameters. Not actually used in the code (we don't perform +// the in-loop filtering), but filled from user's config +typedef struct { + int simple_; // filtering type: 0=complex, 1=simple + int level_; // base filter level [0..63] + int sharpness_; // [0..7] + int i4x4_lf_delta_; // delta filter level for i4x4 relative to i16x16 +} VP8EncFilterHeader; + +//------------------------------------------------------------------------------ +// Informations about the macroblocks. + +typedef struct { + // block type + unsigned int type_:2; // 0=i4x4, 1=i16x16 + unsigned int uv_mode_:2; + unsigned int skip_:1; + unsigned int segment_:2; + uint8_t alpha_; // quantization-susceptibility +} VP8MBInfo; + +typedef struct VP8Matrix { + uint16_t q_[16]; // quantizer steps + uint16_t iq_[16]; // reciprocals, fixed point. + uint32_t bias_[16]; // rounding bias + uint32_t zthresh_[16]; // value below which a coefficient is zeroed + uint16_t sharpen_[16]; // frequency boosters for slight sharpening +} VP8Matrix; + +typedef struct { + VP8Matrix y1_, y2_, uv_; // quantization matrices + int alpha_; // quant-susceptibility, range [-127,127]. Zero is neutral. + // Lower values indicate a lower risk of blurriness. + int beta_; // filter-susceptibility, range [0,255]. + int quant_; // final segment quantizer. + int fstrength_; // final in-loop filtering strength + int max_edge_; // max edge delta (for filtering strength) + int min_disto_; // minimum distortion required to trigger filtering record + // reactivities + int lambda_i16_, lambda_i4_, lambda_uv_; + int lambda_mode_, lambda_trellis_, tlambda_; + int lambda_trellis_i16_, lambda_trellis_i4_, lambda_trellis_uv_; + + // lambda values for distortion-based evaluation + score_t i4_penalty_; // penalty for using Intra4 +} VP8SegmentInfo; + +typedef int8_t DError[2 /* u/v */][2 /* top or left */]; + +// Handy transient struct to accumulate score and info during RD-optimization +// and mode evaluation. +typedef struct { + score_t D, SD; // Distortion, spectral distortion + score_t H, R, score; // header bits, rate, score. + int16_t y_dc_levels[16]; // Quantized levels for luma-DC, luma-AC, chroma. + int16_t y_ac_levels[16][16]; + int16_t uv_levels[4 + 4][16]; + int mode_i16; // mode number for intra16 prediction + uint8_t modes_i4[16]; // mode numbers for intra4 predictions + int mode_uv; // mode number of chroma prediction + uint32_t nz; // non-zero blocks + int8_t derr[2][3]; // DC diffusion errors for U/V for blocks #1/2/3 +} VP8ModeScore; + +// Iterator structure to iterate through macroblocks, pointing to the +// right neighbouring data (samples, predictions, contexts, ...) +typedef struct { + int x_, y_; // current macroblock + uint8_t* yuv_in_; // input samples + uint8_t* yuv_out_; // output samples + uint8_t* yuv_out2_; // secondary buffer swapped with yuv_out_. + uint8_t* yuv_p_; // scratch buffer for prediction + VP8Encoder* enc_; // back-pointer + VP8MBInfo* mb_; // current macroblock + VP8BitWriter* bw_; // current bit-writer + uint8_t* preds_; // intra mode predictors (4x4 blocks) + uint32_t* nz_; // non-zero pattern + uint8_t i4_boundary_[37]; // 32+5 boundary samples needed by intra4x4 + uint8_t* i4_top_; // pointer to the current top boundary sample + int i4_; // current intra4x4 mode being tested + int top_nz_[9]; // top-non-zero context. + int left_nz_[9]; // left-non-zero. left_nz[8] is independent. + uint64_t bit_count_[4][3]; // bit counters for coded levels. + uint64_t luma_bits_; // macroblock bit-cost for luma + uint64_t uv_bits_; // macroblock bit-cost for chroma + LFStats* lf_stats_; // filter stats (borrowed from enc_) + int do_trellis_; // if true, perform extra level optimisation + int count_down_; // number of mb still to be processed + int count_down0_; // starting counter value (for progress) + int percent0_; // saved initial progress percent + + DError left_derr_; // left error diffusion (u/v) + DError* top_derr_; // top diffusion error - NULL if disabled + + uint8_t* y_left_; // left luma samples (addressable from index -1 to 15). + uint8_t* u_left_; // left u samples (addressable from index -1 to 7) + uint8_t* v_left_; // left v samples (addressable from index -1 to 7) + + uint8_t* y_top_; // top luma samples at position 'x_' + uint8_t* uv_top_; // top u/v samples at position 'x_', packed as 16 bytes + + // memory for storing y/u/v_left_ + uint8_t yuv_left_mem_[17 + 16 + 16 + 8 + WEBP_ALIGN_CST]; + // memory for yuv_* + uint8_t yuv_mem_[3 * YUV_SIZE_ENC + PRED_SIZE_ENC + WEBP_ALIGN_CST]; +} VP8EncIterator; + + // in iterator.c +// must be called first +void VP8IteratorInit(VP8Encoder* const enc, VP8EncIterator* const it); +// restart a scan +void VP8IteratorReset(VP8EncIterator* const it); +// reset iterator position to row 'y' +void VP8IteratorSetRow(VP8EncIterator* const it, int y); +// set count down (=number of iterations to go) +void VP8IteratorSetCountDown(VP8EncIterator* const it, int count_down); +// return true if iteration is finished +int VP8IteratorIsDone(const VP8EncIterator* const it); +// Import uncompressed samples from source. +// If tmp_32 is not NULL, import boundary samples too. +// tmp_32 is a 32-bytes scratch buffer that must be aligned in memory. +void VP8IteratorImport(VP8EncIterator* const it, uint8_t* const tmp_32); +// export decimated samples +void VP8IteratorExport(const VP8EncIterator* const it); +// go to next macroblock. Returns false if not finished. +int VP8IteratorNext(VP8EncIterator* const it); +// save the yuv_out_ boundary values to top_/left_ arrays for next iterations. +void VP8IteratorSaveBoundary(VP8EncIterator* const it); +// Report progression based on macroblock rows. Return 0 for user-abort request. +int VP8IteratorProgress(const VP8EncIterator* const it, int delta); +// Intra4x4 iterations +void VP8IteratorStartI4(VP8EncIterator* const it); +// returns true if not done. +int VP8IteratorRotateI4(VP8EncIterator* const it, + const uint8_t* const yuv_out); + +// Non-zero context setup/teardown +void VP8IteratorNzToBytes(VP8EncIterator* const it); +void VP8IteratorBytesToNz(VP8EncIterator* const it); + +// Helper functions to set mode properties +void VP8SetIntra16Mode(const VP8EncIterator* const it, int mode); +void VP8SetIntra4Mode(const VP8EncIterator* const it, const uint8_t* modes); +void VP8SetIntraUVMode(const VP8EncIterator* const it, int mode); +void VP8SetSkip(const VP8EncIterator* const it, int skip); +void VP8SetSegment(const VP8EncIterator* const it, int segment); + +//------------------------------------------------------------------------------ +// Paginated token buffer + +typedef struct VP8Tokens VP8Tokens; // struct details in token.c + +typedef struct { +#if !defined(DISABLE_TOKEN_BUFFER) + VP8Tokens* pages_; // first page + VP8Tokens** last_page_; // last page + uint16_t* tokens_; // set to (*last_page_)->tokens_ + int left_; // how many free tokens left before the page is full + int page_size_; // number of tokens per page +#endif + int error_; // true in case of malloc error +} VP8TBuffer; + +// initialize an empty buffer +void VP8TBufferInit(VP8TBuffer* const b, int page_size); +void VP8TBufferClear(VP8TBuffer* const b); // de-allocate pages memory + +#if !defined(DISABLE_TOKEN_BUFFER) + +// Finalizes bitstream when probabilities are known. +// Deletes the allocated token memory if final_pass is true. +int VP8EmitTokens(VP8TBuffer* const b, VP8BitWriter* const bw, + const uint8_t* const probas, int final_pass); + +// record the coding of coefficients without knowing the probabilities yet +int VP8RecordCoeffTokens(int ctx, const struct VP8Residual* const res, + VP8TBuffer* const tokens); + +// Estimate the final coded size given a set of 'probas'. +size_t VP8EstimateTokenSize(VP8TBuffer* const b, const uint8_t* const probas); + +#endif // !DISABLE_TOKEN_BUFFER + +//------------------------------------------------------------------------------ +// VP8Encoder + +struct VP8Encoder { + const WebPConfig* config_; // user configuration and parameters + WebPPicture* pic_; // input / output picture + + // headers + VP8EncFilterHeader filter_hdr_; // filtering information + VP8EncSegmentHeader segment_hdr_; // segment information + + int profile_; // VP8's profile, deduced from Config. + + // dimension, in macroblock units. + int mb_w_, mb_h_; + int preds_w_; // stride of the *preds_ prediction plane (=4*mb_w + 1) + + // number of partitions (1, 2, 4 or 8 = MAX_NUM_PARTITIONS) + int num_parts_; + + // per-partition boolean decoders. + VP8BitWriter bw_; // part0 + VP8BitWriter parts_[MAX_NUM_PARTITIONS]; // token partitions + VP8TBuffer tokens_; // token buffer + + int percent_; // for progress + + // transparency blob + int has_alpha_; + uint8_t* alpha_data_; // non-NULL if transparency is present + uint32_t alpha_data_size_; + WebPWorker alpha_worker_; + + // quantization info (one set of DC/AC dequant factor per segment) + VP8SegmentInfo dqm_[NUM_MB_SEGMENTS]; + int base_quant_; // nominal quantizer value. Only used + // for relative coding of segments' quant. + int alpha_; // global susceptibility (<=> complexity) + int uv_alpha_; // U/V quantization susceptibility + // global offset of quantizers, shared by all segments + int dq_y1_dc_; + int dq_y2_dc_, dq_y2_ac_; + int dq_uv_dc_, dq_uv_ac_; + + // probabilities and statistics + VP8EncProba proba_; + uint64_t sse_[4]; // sum of Y/U/V/A squared errors for all macroblocks + uint64_t sse_count_; // pixel count for the sse_[] stats + int coded_size_; + int residual_bytes_[3][4]; + int block_count_[3]; + + // quality/speed settings + int method_; // 0=fastest, 6=best/slowest. + VP8RDLevel rd_opt_level_; // Deduced from method_. + int max_i4_header_bits_; // partition #0 safeness factor + int mb_header_limit_; // rough limit for header bits per MB + int thread_level_; // derived from config->thread_level + int do_search_; // derived from config->target_XXX + int use_tokens_; // if true, use token buffer + + // Memory + VP8MBInfo* mb_info_; // contextual macroblock infos (mb_w_ + 1) + uint8_t* preds_; // predictions modes: (4*mb_w+1) * (4*mb_h+1) + uint32_t* nz_; // non-zero bit context: mb_w+1 + uint8_t* y_top_; // top luma samples. + uint8_t* uv_top_; // top u/v samples. + // U and V are packed into 16 bytes (8 U + 8 V) + LFStats* lf_stats_; // autofilter stats (if NULL, autofilter is off) + DError* top_derr_; // diffusion error (NULL if disabled) +}; + +//------------------------------------------------------------------------------ +// internal functions. Not public. + + // in tree.c +extern const uint8_t VP8CoeffsProba0[NUM_TYPES][NUM_BANDS][NUM_CTX][NUM_PROBAS]; +extern const uint8_t + VP8CoeffsUpdateProba[NUM_TYPES][NUM_BANDS][NUM_CTX][NUM_PROBAS]; +// Reset the token probabilities to their initial (default) values +void VP8DefaultProbas(VP8Encoder* const enc); +// Write the token probabilities +void VP8WriteProbas(VP8BitWriter* const bw, const VP8EncProba* const probas); +// Writes the partition #0 modes (that is: all intra modes) +void VP8CodeIntraModes(VP8Encoder* const enc); + + // in syntax.c +// Generates the final bitstream by coding the partition0 and headers, +// and appending an assembly of all the pre-coded token partitions. +// Return true if everything is ok. +int VP8EncWrite(VP8Encoder* const enc); +// Release memory allocated for bit-writing in VP8EncLoop & seq. +void VP8EncFreeBitWriters(VP8Encoder* const enc); + + // in frame.c +extern const uint8_t VP8Cat3[]; +extern const uint8_t VP8Cat4[]; +extern const uint8_t VP8Cat5[]; +extern const uint8_t VP8Cat6[]; + +// Form all the four Intra16x16 predictions in the yuv_p_ cache +void VP8MakeLuma16Preds(const VP8EncIterator* const it); +// Form all the four Chroma8x8 predictions in the yuv_p_ cache +void VP8MakeChroma8Preds(const VP8EncIterator* const it); +// Form all the ten Intra4x4 predictions in the yuv_p_ cache +// for the 4x4 block it->i4_ +void VP8MakeIntra4Preds(const VP8EncIterator* const it); +// Rate calculation +int VP8GetCostLuma16(VP8EncIterator* const it, const VP8ModeScore* const rd); +int VP8GetCostLuma4(VP8EncIterator* const it, const int16_t levels[16]); +int VP8GetCostUV(VP8EncIterator* const it, const VP8ModeScore* const rd); +// Main coding calls +int VP8EncLoop(VP8Encoder* const enc); +int VP8EncTokenLoop(VP8Encoder* const enc); + + // in webpenc.c +// Assign an error code to a picture. Return false for convenience. +int WebPEncodingSetError(const WebPPicture* const pic, WebPEncodingError error); +int WebPReportProgress(const WebPPicture* const pic, + int percent, int* const percent_store); + + // in analysis.c +// Main analysis loop. Decides the segmentations and complexity. +// Assigns a first guess for Intra16 and uvmode_ prediction modes. +int VP8EncAnalyze(VP8Encoder* const enc); + + // in quant.c +// Sets up segment's quantization values, base_quant_ and filter strengths. +void VP8SetSegmentParams(VP8Encoder* const enc, float quality); +// Pick best modes and fills the levels. Returns true if skipped. +int VP8Decimate(VP8EncIterator* WEBP_RESTRICT const it, + VP8ModeScore* WEBP_RESTRICT const rd, + VP8RDLevel rd_opt); + + // in alpha.c +void VP8EncInitAlpha(VP8Encoder* const enc); // initialize alpha compression +int VP8EncStartAlpha(VP8Encoder* const enc); // start alpha coding process +int VP8EncFinishAlpha(VP8Encoder* const enc); // finalize compressed data +int VP8EncDeleteAlpha(VP8Encoder* const enc); // delete compressed data + +// autofilter +void VP8InitFilter(VP8EncIterator* const it); +void VP8StoreFilterStats(VP8EncIterator* const it); +void VP8AdjustFilterStrength(VP8EncIterator* const it); + +// returns the approximate filtering strength needed to smooth a edge +// step of 'delta', given a sharpness parameter 'sharpness'. +int VP8FilterStrengthFromDelta(int sharpness, int delta); + + // misc utils for picture_*.c: + +// Returns true if 'picture' is non-NULL and dimensions/colorspace are within +// their valid ranges. If returning false, the 'error_code' in 'picture' is +// updated. +int WebPValidatePicture(const WebPPicture* const picture); + +// Remove reference to the ARGB/YUVA buffer (doesn't free anything). +void WebPPictureResetBuffers(WebPPicture* const picture); + +// Allocates ARGB buffer according to set width/height (previous one is +// always free'd). Preserves the YUV(A) buffer. Returns false in case of error +// (invalid param, out-of-memory). +int WebPPictureAllocARGB(WebPPicture* const picture); + +// Allocates YUVA buffer according to set width/height (previous one is always +// free'd). Uses picture->csp to determine whether an alpha buffer is needed. +// Preserves the ARGB buffer. +// Returns false in case of error (invalid param, out-of-memory). +int WebPPictureAllocYUVA(WebPPicture* const picture); + +// Replace samples that are fully transparent by 'color' to help compressibility +// (no guarantee, though). Assumes pic->use_argb is true. +void WebPReplaceTransparentPixels(WebPPicture* const pic, uint32_t color); + +//------------------------------------------------------------------------------ + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_ENC_VP8I_ENC_H_ diff --git a/ProductApp/Pods/libwebp/src/enc/vp8l_enc.c b/ProductApp/Pods/libwebp/src/enc/vp8l_enc.c new file mode 100644 index 0000000..3a8ec3d --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/vp8l_enc.c @@ -0,0 +1,2198 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// main entry for the lossless encoder. +// +// Author: Vikas Arora (vikaas.arora@gmail.com) +// + +#include +#include + +#include "src/dsp/lossless.h" +#include "src/dsp/lossless_common.h" +#include "src/enc/backward_references_enc.h" +#include "src/enc/histogram_enc.h" +#include "src/enc/vp8i_enc.h" +#include "src/enc/vp8li_enc.h" +#include "src/utils/bit_writer_utils.h" +#include "src/utils/huffman_encode_utils.h" +#include "src/utils/utils.h" +#include "src/webp/encode.h" +#include "src/webp/format_constants.h" + +// Maximum number of histogram images (sub-blocks). +#define MAX_HUFF_IMAGE_SIZE 2600 + +// Palette reordering for smaller sum of deltas (and for smaller storage). + +static int PaletteCompareColorsForQsort(const void* p1, const void* p2) { + const uint32_t a = WebPMemToUint32((uint8_t*)p1); + const uint32_t b = WebPMemToUint32((uint8_t*)p2); + assert(a != b); + return (a < b) ? -1 : 1; +} + +static WEBP_INLINE uint32_t PaletteComponentDistance(uint32_t v) { + return (v <= 128) ? v : (256 - v); +} + +// Computes a value that is related to the entropy created by the +// palette entry diff. +// +// Note that the last & 0xff is a no-operation in the next statement, but +// removed by most compilers and is here only for regularity of the code. +static WEBP_INLINE uint32_t PaletteColorDistance(uint32_t col1, uint32_t col2) { + const uint32_t diff = VP8LSubPixels(col1, col2); + const int kMoreWeightForRGBThanForAlpha = 9; + uint32_t score; + score = PaletteComponentDistance((diff >> 0) & 0xff); + score += PaletteComponentDistance((diff >> 8) & 0xff); + score += PaletteComponentDistance((diff >> 16) & 0xff); + score *= kMoreWeightForRGBThanForAlpha; + score += PaletteComponentDistance((diff >> 24) & 0xff); + return score; +} + +static WEBP_INLINE void SwapColor(uint32_t* const col1, uint32_t* const col2) { + const uint32_t tmp = *col1; + *col1 = *col2; + *col2 = tmp; +} + +static WEBP_INLINE int SearchColorNoIdx(const uint32_t sorted[], uint32_t color, + int num_colors) { + int low = 0, hi = num_colors; + if (sorted[low] == color) return low; // loop invariant: sorted[low] != color + while (1) { + const int mid = (low + hi) >> 1; + if (sorted[mid] == color) { + return mid; + } else if (sorted[mid] < color) { + low = mid; + } else { + hi = mid; + } + } + assert(0); + return 0; +} + +// The palette has been sorted by alpha. This function checks if the other +// components of the palette have a monotonic development with regards to +// position in the palette. If all have monotonic development, there is +// no benefit to re-organize them greedily. A monotonic development +// would be spotted in green-only situations (like lossy alpha) or gray-scale +// images. +static int PaletteHasNonMonotonousDeltas(const uint32_t* const palette, + int num_colors) { + uint32_t predict = 0x000000; + int i; + uint8_t sign_found = 0x00; + for (i = 0; i < num_colors; ++i) { + const uint32_t diff = VP8LSubPixels(palette[i], predict); + const uint8_t rd = (diff >> 16) & 0xff; + const uint8_t gd = (diff >> 8) & 0xff; + const uint8_t bd = (diff >> 0) & 0xff; + if (rd != 0x00) { + sign_found |= (rd < 0x80) ? 1 : 2; + } + if (gd != 0x00) { + sign_found |= (gd < 0x80) ? 8 : 16; + } + if (bd != 0x00) { + sign_found |= (bd < 0x80) ? 64 : 128; + } + predict = palette[i]; + } + return (sign_found & (sign_found << 1)) != 0; // two consequent signs. +} + +static void PaletteSortMinimizeDeltas(const uint32_t* const palette_sorted, + int num_colors, uint32_t* const palette) { + uint32_t predict = 0x00000000; + int i, k; + memcpy(palette, palette_sorted, num_colors * sizeof(*palette)); + if (!PaletteHasNonMonotonousDeltas(palette_sorted, num_colors)) return; + // Find greedily always the closest color of the predicted color to minimize + // deltas in the palette. This reduces storage needs since the + // palette is stored with delta encoding. + for (i = 0; i < num_colors; ++i) { + int best_ix = i; + uint32_t best_score = ~0U; + for (k = i; k < num_colors; ++k) { + const uint32_t cur_score = PaletteColorDistance(palette[k], predict); + if (best_score > cur_score) { + best_score = cur_score; + best_ix = k; + } + } + SwapColor(&palette[best_ix], &palette[i]); + predict = palette[i]; + } +} + +// Sort palette in increasing order and prepare an inverse mapping array. +static void PrepareMapToPalette(const uint32_t palette[], uint32_t num_colors, + uint32_t sorted[], uint32_t idx_map[]) { + uint32_t i; + memcpy(sorted, palette, num_colors * sizeof(*sorted)); + qsort(sorted, num_colors, sizeof(*sorted), PaletteCompareColorsForQsort); + for (i = 0; i < num_colors; ++i) { + idx_map[SearchColorNoIdx(sorted, palette[i], num_colors)] = i; + } +} + +// ----------------------------------------------------------------------------- +// Modified Zeng method from "A Survey on Palette Reordering +// Methods for Improving the Compression of Color-Indexed Images" by Armando J. +// Pinho and Antonio J. R. Neves. + +// Finds the biggest cooccurrence in the matrix. +static void CoOccurrenceFindMax(const uint32_t* const cooccurrence, + uint32_t num_colors, uint8_t* const c1, + uint8_t* const c2) { + // Find the index that is most frequently located adjacent to other + // (different) indexes. + uint32_t best_sum = 0u; + uint32_t i, j, best_cooccurrence; + *c1 = 0u; + for (i = 0; i < num_colors; ++i) { + uint32_t sum = 0; + for (j = 0; j < num_colors; ++j) sum += cooccurrence[i * num_colors + j]; + if (sum > best_sum) { + best_sum = sum; + *c1 = i; + } + } + // Find the index that is most frequently found adjacent to *c1. + *c2 = 0u; + best_cooccurrence = 0u; + for (i = 0; i < num_colors; ++i) { + if (cooccurrence[*c1 * num_colors + i] > best_cooccurrence) { + best_cooccurrence = cooccurrence[*c1 * num_colors + i]; + *c2 = i; + } + } + assert(*c1 != *c2); +} + +// Builds the cooccurrence matrix +static int CoOccurrenceBuild(const WebPPicture* const pic, + const uint32_t* const palette, uint32_t num_colors, + uint32_t* cooccurrence) { + uint32_t *lines, *line_top, *line_current, *line_tmp; + int x, y; + const uint32_t* src = pic->argb; + uint32_t prev_pix = ~src[0]; + uint32_t prev_idx = 0u; + uint32_t idx_map[MAX_PALETTE_SIZE] = {0}; + uint32_t palette_sorted[MAX_PALETTE_SIZE]; + lines = (uint32_t*)WebPSafeMalloc(2 * pic->width, sizeof(*lines)); + if (lines == NULL) { + return WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + line_top = &lines[0]; + line_current = &lines[pic->width]; + PrepareMapToPalette(palette, num_colors, palette_sorted, idx_map); + for (y = 0; y < pic->height; ++y) { + for (x = 0; x < pic->width; ++x) { + const uint32_t pix = src[x]; + if (pix != prev_pix) { + prev_idx = idx_map[SearchColorNoIdx(palette_sorted, pix, num_colors)]; + prev_pix = pix; + } + line_current[x] = prev_idx; + // 4-connectivity is what works best as mentioned in "On the relation + // between Memon's and the modified Zeng's palette reordering methods". + if (x > 0 && prev_idx != line_current[x - 1]) { + const uint32_t left_idx = line_current[x - 1]; + ++cooccurrence[prev_idx * num_colors + left_idx]; + ++cooccurrence[left_idx * num_colors + prev_idx]; + } + if (y > 0 && prev_idx != line_top[x]) { + const uint32_t top_idx = line_top[x]; + ++cooccurrence[prev_idx * num_colors + top_idx]; + ++cooccurrence[top_idx * num_colors + prev_idx]; + } + } + line_tmp = line_top; + line_top = line_current; + line_current = line_tmp; + src += pic->argb_stride; + } + WebPSafeFree(lines); + return 1; +} + +struct Sum { + uint8_t index; + uint32_t sum; +}; + +// Implements the modified Zeng method from "A Survey on Palette Reordering +// Methods for Improving the Compression of Color-Indexed Images" by Armando J. +// Pinho and Antonio J. R. Neves. +static int PaletteSortModifiedZeng( + const WebPPicture* const pic, const uint32_t* const palette_sorted, + uint32_t num_colors, uint32_t* const palette) { + uint32_t i, j, ind; + uint8_t remapping[MAX_PALETTE_SIZE]; + uint32_t* cooccurrence; + struct Sum sums[MAX_PALETTE_SIZE]; + uint32_t first, last; + uint32_t num_sums; + // TODO(vrabaud) check whether one color images should use palette or not. + if (num_colors <= 1) return 1; + // Build the co-occurrence matrix. + cooccurrence = + (uint32_t*)WebPSafeCalloc(num_colors * num_colors, sizeof(*cooccurrence)); + if (cooccurrence == NULL) { + return WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + if (!CoOccurrenceBuild(pic, palette_sorted, num_colors, cooccurrence)) { + WebPSafeFree(cooccurrence); + return 0; + } + + // Initialize the mapping list with the two best indices. + CoOccurrenceFindMax(cooccurrence, num_colors, &remapping[0], &remapping[1]); + + // We need to append and prepend to the list of remapping. To this end, we + // actually define the next start/end of the list as indices in a vector (with + // a wrap around when the end is reached). + first = 0; + last = 1; + num_sums = num_colors - 2; // -2 because we know the first two values + if (num_sums > 0) { + // Initialize the sums with the first two remappings and find the best one + struct Sum* best_sum = &sums[0]; + best_sum->index = 0u; + best_sum->sum = 0u; + for (i = 0, j = 0; i < num_colors; ++i) { + if (i == remapping[0] || i == remapping[1]) continue; + sums[j].index = i; + sums[j].sum = cooccurrence[i * num_colors + remapping[0]] + + cooccurrence[i * num_colors + remapping[1]]; + if (sums[j].sum > best_sum->sum) best_sum = &sums[j]; + ++j; + } + + while (num_sums > 0) { + const uint8_t best_index = best_sum->index; + // Compute delta to know if we need to prepend or append the best index. + int32_t delta = 0; + const int32_t n = num_colors - num_sums; + for (ind = first, j = 0; (ind + j) % num_colors != last + 1; ++j) { + const uint16_t l_j = remapping[(ind + j) % num_colors]; + delta += (n - 1 - 2 * (int32_t)j) * + (int32_t)cooccurrence[best_index * num_colors + l_j]; + } + if (delta > 0) { + first = (first == 0) ? num_colors - 1 : first - 1; + remapping[first] = best_index; + } else { + ++last; + remapping[last] = best_index; + } + // Remove best_sum from sums. + *best_sum = sums[num_sums - 1]; + --num_sums; + // Update all the sums and find the best one. + best_sum = &sums[0]; + for (i = 0; i < num_sums; ++i) { + sums[i].sum += cooccurrence[best_index * num_colors + sums[i].index]; + if (sums[i].sum > best_sum->sum) best_sum = &sums[i]; + } + } + } + assert((last + 1) % num_colors == first); + WebPSafeFree(cooccurrence); + + // Re-map the palette. + for (i = 0; i < num_colors; ++i) { + palette[i] = palette_sorted[remapping[(first + i) % num_colors]]; + } + return 1; +} + +// ----------------------------------------------------------------------------- +// Palette + +// These five modes are evaluated and their respective entropy is computed. +typedef enum { + kDirect = 0, + kSpatial = 1, + kSubGreen = 2, + kSpatialSubGreen = 3, + kPalette = 4, + kPaletteAndSpatial = 5, + kNumEntropyIx = 6 +} EntropyIx; + +typedef enum { + kSortedDefault = 0, + kMinimizeDelta = 1, + kModifiedZeng = 2, + kUnusedPalette = 3, +} PaletteSorting; + +typedef enum { + kHistoAlpha = 0, + kHistoAlphaPred, + kHistoGreen, + kHistoGreenPred, + kHistoRed, + kHistoRedPred, + kHistoBlue, + kHistoBluePred, + kHistoRedSubGreen, + kHistoRedPredSubGreen, + kHistoBlueSubGreen, + kHistoBluePredSubGreen, + kHistoPalette, + kHistoTotal // Must be last. +} HistoIx; + +static void AddSingleSubGreen(uint32_t p, + uint32_t* const r, uint32_t* const b) { + const int green = (int)p >> 8; // The upper bits are masked away later. + ++r[(((int)p >> 16) - green) & 0xff]; + ++b[(((int)p >> 0) - green) & 0xff]; +} + +static void AddSingle(uint32_t p, + uint32_t* const a, uint32_t* const r, + uint32_t* const g, uint32_t* const b) { + ++a[(p >> 24) & 0xff]; + ++r[(p >> 16) & 0xff]; + ++g[(p >> 8) & 0xff]; + ++b[(p >> 0) & 0xff]; +} + +static WEBP_INLINE uint32_t HashPix(uint32_t pix) { + // Note that masking with 0xffffffffu is for preventing an + // 'unsigned int overflow' warning. Doesn't impact the compiled code. + return ((((uint64_t)pix + (pix >> 19)) * 0x39c5fba7ull) & 0xffffffffu) >> 24; +} + +static int AnalyzeEntropy(const uint32_t* argb, + int width, int height, int argb_stride, + int use_palette, + int palette_size, int transform_bits, + EntropyIx* const min_entropy_ix, + int* const red_and_blue_always_zero) { + // Allocate histogram set with cache_bits = 0. + uint32_t* histo; + + if (use_palette && palette_size <= 16) { + // In the case of small palettes, we pack 2, 4 or 8 pixels together. In + // practice, small palettes are better than any other transform. + *min_entropy_ix = kPalette; + *red_and_blue_always_zero = 1; + return 1; + } + histo = (uint32_t*)WebPSafeCalloc(kHistoTotal, sizeof(*histo) * 256); + if (histo != NULL) { + int i, x, y; + const uint32_t* prev_row = NULL; + const uint32_t* curr_row = argb; + uint32_t pix_prev = argb[0]; // Skip the first pixel. + for (y = 0; y < height; ++y) { + for (x = 0; x < width; ++x) { + const uint32_t pix = curr_row[x]; + const uint32_t pix_diff = VP8LSubPixels(pix, pix_prev); + pix_prev = pix; + if ((pix_diff == 0) || (prev_row != NULL && pix == prev_row[x])) { + continue; + } + AddSingle(pix, + &histo[kHistoAlpha * 256], + &histo[kHistoRed * 256], + &histo[kHistoGreen * 256], + &histo[kHistoBlue * 256]); + AddSingle(pix_diff, + &histo[kHistoAlphaPred * 256], + &histo[kHistoRedPred * 256], + &histo[kHistoGreenPred * 256], + &histo[kHistoBluePred * 256]); + AddSingleSubGreen(pix, + &histo[kHistoRedSubGreen * 256], + &histo[kHistoBlueSubGreen * 256]); + AddSingleSubGreen(pix_diff, + &histo[kHistoRedPredSubGreen * 256], + &histo[kHistoBluePredSubGreen * 256]); + { + // Approximate the palette by the entropy of the multiplicative hash. + const uint32_t hash = HashPix(pix); + ++histo[kHistoPalette * 256 + hash]; + } + } + prev_row = curr_row; + curr_row += argb_stride; + } + { + float entropy_comp[kHistoTotal]; + float entropy[kNumEntropyIx]; + int k; + int last_mode_to_analyze = use_palette ? kPalette : kSpatialSubGreen; + int j; + // Let's add one zero to the predicted histograms. The zeros are removed + // too efficiently by the pix_diff == 0 comparison, at least one of the + // zeros is likely to exist. + ++histo[kHistoRedPredSubGreen * 256]; + ++histo[kHistoBluePredSubGreen * 256]; + ++histo[kHistoRedPred * 256]; + ++histo[kHistoGreenPred * 256]; + ++histo[kHistoBluePred * 256]; + ++histo[kHistoAlphaPred * 256]; + + for (j = 0; j < kHistoTotal; ++j) { + entropy_comp[j] = VP8LBitsEntropy(&histo[j * 256], 256); + } + entropy[kDirect] = entropy_comp[kHistoAlpha] + + entropy_comp[kHistoRed] + + entropy_comp[kHistoGreen] + + entropy_comp[kHistoBlue]; + entropy[kSpatial] = entropy_comp[kHistoAlphaPred] + + entropy_comp[kHistoRedPred] + + entropy_comp[kHistoGreenPred] + + entropy_comp[kHistoBluePred]; + entropy[kSubGreen] = entropy_comp[kHistoAlpha] + + entropy_comp[kHistoRedSubGreen] + + entropy_comp[kHistoGreen] + + entropy_comp[kHistoBlueSubGreen]; + entropy[kSpatialSubGreen] = entropy_comp[kHistoAlphaPred] + + entropy_comp[kHistoRedPredSubGreen] + + entropy_comp[kHistoGreenPred] + + entropy_comp[kHistoBluePredSubGreen]; + entropy[kPalette] = entropy_comp[kHistoPalette]; + + // When including transforms, there is an overhead in bits from + // storing them. This overhead is small but matters for small images. + // For spatial, there are 14 transformations. + entropy[kSpatial] += VP8LSubSampleSize(width, transform_bits) * + VP8LSubSampleSize(height, transform_bits) * + VP8LFastLog2(14); + // For color transforms: 24 as only 3 channels are considered in a + // ColorTransformElement. + entropy[kSpatialSubGreen] += VP8LSubSampleSize(width, transform_bits) * + VP8LSubSampleSize(height, transform_bits) * + VP8LFastLog2(24); + // For palettes, add the cost of storing the palette. + // We empirically estimate the cost of a compressed entry as 8 bits. + // The palette is differential-coded when compressed hence a much + // lower cost than sizeof(uint32_t)*8. + entropy[kPalette] += palette_size * 8; + + *min_entropy_ix = kDirect; + for (k = kDirect + 1; k <= last_mode_to_analyze; ++k) { + if (entropy[*min_entropy_ix] > entropy[k]) { + *min_entropy_ix = (EntropyIx)k; + } + } + assert((int)*min_entropy_ix <= last_mode_to_analyze); + *red_and_blue_always_zero = 1; + // Let's check if the histogram of the chosen entropy mode has + // non-zero red and blue values. If all are zero, we can later skip + // the cross color optimization. + { + static const uint8_t kHistoPairs[5][2] = { + { kHistoRed, kHistoBlue }, + { kHistoRedPred, kHistoBluePred }, + { kHistoRedSubGreen, kHistoBlueSubGreen }, + { kHistoRedPredSubGreen, kHistoBluePredSubGreen }, + { kHistoRed, kHistoBlue } + }; + const uint32_t* const red_histo = + &histo[256 * kHistoPairs[*min_entropy_ix][0]]; + const uint32_t* const blue_histo = + &histo[256 * kHistoPairs[*min_entropy_ix][1]]; + for (i = 1; i < 256; ++i) { + if ((red_histo[i] | blue_histo[i]) != 0) { + *red_and_blue_always_zero = 0; + break; + } + } + } + } + WebPSafeFree(histo); + return 1; + } else { + return 0; + } +} + +static int GetHistoBits(int method, int use_palette, int width, int height) { + // Make tile size a function of encoding method (Range: 0 to 6). + int histo_bits = (use_palette ? 9 : 7) - method; + while (1) { + const int huff_image_size = VP8LSubSampleSize(width, histo_bits) * + VP8LSubSampleSize(height, histo_bits); + if (huff_image_size <= MAX_HUFF_IMAGE_SIZE) break; + ++histo_bits; + } + return (histo_bits < MIN_HUFFMAN_BITS) ? MIN_HUFFMAN_BITS : + (histo_bits > MAX_HUFFMAN_BITS) ? MAX_HUFFMAN_BITS : histo_bits; +} + +static int GetTransformBits(int method, int histo_bits) { + const int max_transform_bits = (method < 4) ? 6 : (method > 4) ? 4 : 5; + const int res = + (histo_bits > max_transform_bits) ? max_transform_bits : histo_bits; + assert(res <= MAX_TRANSFORM_BITS); + return res; +} + +// Set of parameters to be used in each iteration of the cruncher. +#define CRUNCH_SUBCONFIGS_MAX 2 +typedef struct { + int lz77_; + int do_no_cache_; +} CrunchSubConfig; +typedef struct { + int entropy_idx_; + PaletteSorting palette_sorting_type_; + CrunchSubConfig sub_configs_[CRUNCH_SUBCONFIGS_MAX]; + int sub_configs_size_; +} CrunchConfig; + +// +2 because we add a palette sorting configuration for kPalette and +// kPaletteAndSpatial. +#define CRUNCH_CONFIGS_MAX (kNumEntropyIx + 2) + +static int EncoderAnalyze(VP8LEncoder* const enc, + CrunchConfig crunch_configs[CRUNCH_CONFIGS_MAX], + int* const crunch_configs_size, + int* const red_and_blue_always_zero) { + const WebPPicture* const pic = enc->pic_; + const int width = pic->width; + const int height = pic->height; + const WebPConfig* const config = enc->config_; + const int method = config->method; + const int low_effort = (config->method == 0); + int i; + int use_palette; + int n_lz77s; + // If set to 0, analyze the cache with the computed cache value. If 1, also + // analyze with no-cache. + int do_no_cache = 0; + assert(pic != NULL && pic->argb != NULL); + + // Check whether a palette is possible. + enc->palette_size_ = WebPGetColorPalette(pic, enc->palette_sorted_); + use_palette = (enc->palette_size_ <= MAX_PALETTE_SIZE); + if (!use_palette) { + enc->palette_size_ = 0; + } else { + qsort(enc->palette_sorted_, enc->palette_size_, + sizeof(*enc->palette_sorted_), PaletteCompareColorsForQsort); + } + + // Empirical bit sizes. + enc->histo_bits_ = GetHistoBits(method, use_palette, + pic->width, pic->height); + enc->transform_bits_ = GetTransformBits(method, enc->histo_bits_); + + if (low_effort) { + // AnalyzeEntropy is somewhat slow. + crunch_configs[0].entropy_idx_ = use_palette ? kPalette : kSpatialSubGreen; + crunch_configs[0].palette_sorting_type_ = + use_palette ? kSortedDefault : kUnusedPalette; + n_lz77s = 1; + *crunch_configs_size = 1; + } else { + EntropyIx min_entropy_ix; + // Try out multiple LZ77 on images with few colors. + n_lz77s = (enc->palette_size_ > 0 && enc->palette_size_ <= 16) ? 2 : 1; + if (!AnalyzeEntropy(pic->argb, width, height, pic->argb_stride, use_palette, + enc->palette_size_, enc->transform_bits_, + &min_entropy_ix, red_and_blue_always_zero)) { + return 0; + } + if (method == 6 && config->quality == 100) { + do_no_cache = 1; + // Go brute force on all transforms. + *crunch_configs_size = 0; + for (i = 0; i < kNumEntropyIx; ++i) { + // We can only apply kPalette or kPaletteAndSpatial if we can indeed use + // a palette. + if ((i != kPalette && i != kPaletteAndSpatial) || use_palette) { + assert(*crunch_configs_size < CRUNCH_CONFIGS_MAX); + crunch_configs[(*crunch_configs_size)].entropy_idx_ = i; + if (use_palette && (i == kPalette || i == kPaletteAndSpatial)) { + crunch_configs[(*crunch_configs_size)].palette_sorting_type_ = + kMinimizeDelta; + ++*crunch_configs_size; + // Also add modified Zeng's method. + crunch_configs[(*crunch_configs_size)].entropy_idx_ = i; + crunch_configs[(*crunch_configs_size)].palette_sorting_type_ = + kModifiedZeng; + } else { + crunch_configs[(*crunch_configs_size)].palette_sorting_type_ = + kUnusedPalette; + } + ++*crunch_configs_size; + } + } + } else { + // Only choose the guessed best transform. + *crunch_configs_size = 1; + crunch_configs[0].entropy_idx_ = min_entropy_ix; + crunch_configs[0].palette_sorting_type_ = + use_palette ? kMinimizeDelta : kUnusedPalette; + if (config->quality >= 75 && method == 5) { + // Test with and without color cache. + do_no_cache = 1; + // If we have a palette, also check in combination with spatial. + if (min_entropy_ix == kPalette) { + *crunch_configs_size = 2; + crunch_configs[1].entropy_idx_ = kPaletteAndSpatial; + crunch_configs[1].palette_sorting_type_ = kMinimizeDelta; + } + } + } + } + // Fill in the different LZ77s. + assert(n_lz77s <= CRUNCH_SUBCONFIGS_MAX); + for (i = 0; i < *crunch_configs_size; ++i) { + int j; + for (j = 0; j < n_lz77s; ++j) { + assert(j < CRUNCH_SUBCONFIGS_MAX); + crunch_configs[i].sub_configs_[j].lz77_ = + (j == 0) ? kLZ77Standard | kLZ77RLE : kLZ77Box; + crunch_configs[i].sub_configs_[j].do_no_cache_ = do_no_cache; + } + crunch_configs[i].sub_configs_size_ = n_lz77s; + } + return 1; +} + +static int EncoderInit(VP8LEncoder* const enc) { + const WebPPicture* const pic = enc->pic_; + const int width = pic->width; + const int height = pic->height; + const int pix_cnt = width * height; + // we round the block size up, so we're guaranteed to have + // at most MAX_REFS_BLOCK_PER_IMAGE blocks used: + const int refs_block_size = (pix_cnt - 1) / MAX_REFS_BLOCK_PER_IMAGE + 1; + int i; + if (!VP8LHashChainInit(&enc->hash_chain_, pix_cnt)) return 0; + + for (i = 0; i < 4; ++i) VP8LBackwardRefsInit(&enc->refs_[i], refs_block_size); + + return 1; +} + +// Returns false in case of memory error. +static int GetHuffBitLengthsAndCodes( + const VP8LHistogramSet* const histogram_image, + HuffmanTreeCode* const huffman_codes) { + int i, k; + int ok = 0; + uint64_t total_length_size = 0; + uint8_t* mem_buf = NULL; + const int histogram_image_size = histogram_image->size; + int max_num_symbols = 0; + uint8_t* buf_rle = NULL; + HuffmanTree* huff_tree = NULL; + + // Iterate over all histograms and get the aggregate number of codes used. + for (i = 0; i < histogram_image_size; ++i) { + const VP8LHistogram* const histo = histogram_image->histograms[i]; + HuffmanTreeCode* const codes = &huffman_codes[5 * i]; + assert(histo != NULL); + for (k = 0; k < 5; ++k) { + const int num_symbols = + (k == 0) ? VP8LHistogramNumCodes(histo->palette_code_bits_) : + (k == 4) ? NUM_DISTANCE_CODES : 256; + codes[k].num_symbols = num_symbols; + total_length_size += num_symbols; + } + } + + // Allocate and Set Huffman codes. + { + uint16_t* codes; + uint8_t* lengths; + mem_buf = (uint8_t*)WebPSafeCalloc(total_length_size, + sizeof(*lengths) + sizeof(*codes)); + if (mem_buf == NULL) goto End; + + codes = (uint16_t*)mem_buf; + lengths = (uint8_t*)&codes[total_length_size]; + for (i = 0; i < 5 * histogram_image_size; ++i) { + const int bit_length = huffman_codes[i].num_symbols; + huffman_codes[i].codes = codes; + huffman_codes[i].code_lengths = lengths; + codes += bit_length; + lengths += bit_length; + if (max_num_symbols < bit_length) { + max_num_symbols = bit_length; + } + } + } + + buf_rle = (uint8_t*)WebPSafeMalloc(1ULL, max_num_symbols); + huff_tree = (HuffmanTree*)WebPSafeMalloc(3ULL * max_num_symbols, + sizeof(*huff_tree)); + if (buf_rle == NULL || huff_tree == NULL) goto End; + + // Create Huffman trees. + for (i = 0; i < histogram_image_size; ++i) { + HuffmanTreeCode* const codes = &huffman_codes[5 * i]; + VP8LHistogram* const histo = histogram_image->histograms[i]; + VP8LCreateHuffmanTree(histo->literal_, 15, buf_rle, huff_tree, codes + 0); + VP8LCreateHuffmanTree(histo->red_, 15, buf_rle, huff_tree, codes + 1); + VP8LCreateHuffmanTree(histo->blue_, 15, buf_rle, huff_tree, codes + 2); + VP8LCreateHuffmanTree(histo->alpha_, 15, buf_rle, huff_tree, codes + 3); + VP8LCreateHuffmanTree(histo->distance_, 15, buf_rle, huff_tree, codes + 4); + } + ok = 1; + End: + WebPSafeFree(huff_tree); + WebPSafeFree(buf_rle); + if (!ok) { + WebPSafeFree(mem_buf); + memset(huffman_codes, 0, 5 * histogram_image_size * sizeof(*huffman_codes)); + } + return ok; +} + +static void StoreHuffmanTreeOfHuffmanTreeToBitMask( + VP8LBitWriter* const bw, const uint8_t* code_length_bitdepth) { + // RFC 1951 will calm you down if you are worried about this funny sequence. + // This sequence is tuned from that, but more weighted for lower symbol count, + // and more spiking histograms. + static const uint8_t kStorageOrder[CODE_LENGTH_CODES] = { + 17, 18, 0, 1, 2, 3, 4, 5, 16, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 + }; + int i; + // Throw away trailing zeros: + int codes_to_store = CODE_LENGTH_CODES; + for (; codes_to_store > 4; --codes_to_store) { + if (code_length_bitdepth[kStorageOrder[codes_to_store - 1]] != 0) { + break; + } + } + VP8LPutBits(bw, codes_to_store - 4, 4); + for (i = 0; i < codes_to_store; ++i) { + VP8LPutBits(bw, code_length_bitdepth[kStorageOrder[i]], 3); + } +} + +static void ClearHuffmanTreeIfOnlyOneSymbol( + HuffmanTreeCode* const huffman_code) { + int k; + int count = 0; + for (k = 0; k < huffman_code->num_symbols; ++k) { + if (huffman_code->code_lengths[k] != 0) { + ++count; + if (count > 1) return; + } + } + for (k = 0; k < huffman_code->num_symbols; ++k) { + huffman_code->code_lengths[k] = 0; + huffman_code->codes[k] = 0; + } +} + +static void StoreHuffmanTreeToBitMask( + VP8LBitWriter* const bw, + const HuffmanTreeToken* const tokens, const int num_tokens, + const HuffmanTreeCode* const huffman_code) { + int i; + for (i = 0; i < num_tokens; ++i) { + const int ix = tokens[i].code; + const int extra_bits = tokens[i].extra_bits; + VP8LPutBits(bw, huffman_code->codes[ix], huffman_code->code_lengths[ix]); + switch (ix) { + case 16: + VP8LPutBits(bw, extra_bits, 2); + break; + case 17: + VP8LPutBits(bw, extra_bits, 3); + break; + case 18: + VP8LPutBits(bw, extra_bits, 7); + break; + } + } +} + +// 'huff_tree' and 'tokens' are pre-alloacted buffers. +static void StoreFullHuffmanCode(VP8LBitWriter* const bw, + HuffmanTree* const huff_tree, + HuffmanTreeToken* const tokens, + const HuffmanTreeCode* const tree) { + uint8_t code_length_bitdepth[CODE_LENGTH_CODES] = { 0 }; + uint16_t code_length_bitdepth_symbols[CODE_LENGTH_CODES] = { 0 }; + const int max_tokens = tree->num_symbols; + int num_tokens; + HuffmanTreeCode huffman_code; + huffman_code.num_symbols = CODE_LENGTH_CODES; + huffman_code.code_lengths = code_length_bitdepth; + huffman_code.codes = code_length_bitdepth_symbols; + + VP8LPutBits(bw, 0, 1); + num_tokens = VP8LCreateCompressedHuffmanTree(tree, tokens, max_tokens); + { + uint32_t histogram[CODE_LENGTH_CODES] = { 0 }; + uint8_t buf_rle[CODE_LENGTH_CODES] = { 0 }; + int i; + for (i = 0; i < num_tokens; ++i) { + ++histogram[tokens[i].code]; + } + + VP8LCreateHuffmanTree(histogram, 7, buf_rle, huff_tree, &huffman_code); + } + + StoreHuffmanTreeOfHuffmanTreeToBitMask(bw, code_length_bitdepth); + ClearHuffmanTreeIfOnlyOneSymbol(&huffman_code); + { + int trailing_zero_bits = 0; + int trimmed_length = num_tokens; + int write_trimmed_length; + int length; + int i = num_tokens; + while (i-- > 0) { + const int ix = tokens[i].code; + if (ix == 0 || ix == 17 || ix == 18) { + --trimmed_length; // discount trailing zeros + trailing_zero_bits += code_length_bitdepth[ix]; + if (ix == 17) { + trailing_zero_bits += 3; + } else if (ix == 18) { + trailing_zero_bits += 7; + } + } else { + break; + } + } + write_trimmed_length = (trimmed_length > 1 && trailing_zero_bits > 12); + length = write_trimmed_length ? trimmed_length : num_tokens; + VP8LPutBits(bw, write_trimmed_length, 1); + if (write_trimmed_length) { + if (trimmed_length == 2) { + VP8LPutBits(bw, 0, 3 + 2); // nbitpairs=1, trimmed_length=2 + } else { + const int nbits = BitsLog2Floor(trimmed_length - 2); + const int nbitpairs = nbits / 2 + 1; + assert(trimmed_length > 2); + assert(nbitpairs - 1 < 8); + VP8LPutBits(bw, nbitpairs - 1, 3); + VP8LPutBits(bw, trimmed_length - 2, nbitpairs * 2); + } + } + StoreHuffmanTreeToBitMask(bw, tokens, length, &huffman_code); + } +} + +// 'huff_tree' and 'tokens' are pre-alloacted buffers. +static void StoreHuffmanCode(VP8LBitWriter* const bw, + HuffmanTree* const huff_tree, + HuffmanTreeToken* const tokens, + const HuffmanTreeCode* const huffman_code) { + int i; + int count = 0; + int symbols[2] = { 0, 0 }; + const int kMaxBits = 8; + const int kMaxSymbol = 1 << kMaxBits; + + // Check whether it's a small tree. + for (i = 0; i < huffman_code->num_symbols && count < 3; ++i) { + if (huffman_code->code_lengths[i] != 0) { + if (count < 2) symbols[count] = i; + ++count; + } + } + + if (count == 0) { // emit minimal tree for empty cases + // bits: small tree marker: 1, count-1: 0, large 8-bit code: 0, code: 0 + VP8LPutBits(bw, 0x01, 4); + } else if (count <= 2 && symbols[0] < kMaxSymbol && symbols[1] < kMaxSymbol) { + VP8LPutBits(bw, 1, 1); // Small tree marker to encode 1 or 2 symbols. + VP8LPutBits(bw, count - 1, 1); + if (symbols[0] <= 1) { + VP8LPutBits(bw, 0, 1); // Code bit for small (1 bit) symbol value. + VP8LPutBits(bw, symbols[0], 1); + } else { + VP8LPutBits(bw, 1, 1); + VP8LPutBits(bw, symbols[0], 8); + } + if (count == 2) { + VP8LPutBits(bw, symbols[1], 8); + } + } else { + StoreFullHuffmanCode(bw, huff_tree, tokens, huffman_code); + } +} + +static WEBP_INLINE void WriteHuffmanCode(VP8LBitWriter* const bw, + const HuffmanTreeCode* const code, + int code_index) { + const int depth = code->code_lengths[code_index]; + const int symbol = code->codes[code_index]; + VP8LPutBits(bw, symbol, depth); +} + +static WEBP_INLINE void WriteHuffmanCodeWithExtraBits( + VP8LBitWriter* const bw, + const HuffmanTreeCode* const code, + int code_index, + int bits, + int n_bits) { + const int depth = code->code_lengths[code_index]; + const int symbol = code->codes[code_index]; + VP8LPutBits(bw, (bits << depth) | symbol, depth + n_bits); +} + +static int StoreImageToBitMask( + VP8LBitWriter* const bw, int width, int histo_bits, + const VP8LBackwardRefs* const refs, + const uint16_t* histogram_symbols, + const HuffmanTreeCode* const huffman_codes, const WebPPicture* const pic) { + const int histo_xsize = histo_bits ? VP8LSubSampleSize(width, histo_bits) : 1; + const int tile_mask = (histo_bits == 0) ? 0 : -(1 << histo_bits); + // x and y trace the position in the image. + int x = 0; + int y = 0; + int tile_x = x & tile_mask; + int tile_y = y & tile_mask; + int histogram_ix = histogram_symbols[0]; + const HuffmanTreeCode* codes = huffman_codes + 5 * histogram_ix; + VP8LRefsCursor c = VP8LRefsCursorInit(refs); + while (VP8LRefsCursorOk(&c)) { + const PixOrCopy* const v = c.cur_pos; + if ((tile_x != (x & tile_mask)) || (tile_y != (y & tile_mask))) { + tile_x = x & tile_mask; + tile_y = y & tile_mask; + histogram_ix = histogram_symbols[(y >> histo_bits) * histo_xsize + + (x >> histo_bits)]; + codes = huffman_codes + 5 * histogram_ix; + } + if (PixOrCopyIsLiteral(v)) { + static const uint8_t order[] = { 1, 2, 0, 3 }; + int k; + for (k = 0; k < 4; ++k) { + const int code = PixOrCopyLiteral(v, order[k]); + WriteHuffmanCode(bw, codes + k, code); + } + } else if (PixOrCopyIsCacheIdx(v)) { + const int code = PixOrCopyCacheIdx(v); + const int literal_ix = 256 + NUM_LENGTH_CODES + code; + WriteHuffmanCode(bw, codes, literal_ix); + } else { + int bits, n_bits; + int code; + + const int distance = PixOrCopyDistance(v); + VP8LPrefixEncode(v->len, &code, &n_bits, &bits); + WriteHuffmanCodeWithExtraBits(bw, codes, 256 + code, bits, n_bits); + + // Don't write the distance with the extra bits code since + // the distance can be up to 18 bits of extra bits, and the prefix + // 15 bits, totaling to 33, and our PutBits only supports up to 32 bits. + VP8LPrefixEncode(distance, &code, &n_bits, &bits); + WriteHuffmanCode(bw, codes + 4, code); + VP8LPutBits(bw, bits, n_bits); + } + x += PixOrCopyLength(v); + while (x >= width) { + x -= width; + ++y; + } + VP8LRefsCursorNext(&c); + } + if (bw->error_) { + return WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + return 1; +} + +// Special case of EncodeImageInternal() for cache-bits=0, histo_bits=31. +// pic and percent are for progress. +static int EncodeImageNoHuffman(VP8LBitWriter* const bw, + const uint32_t* const argb, + VP8LHashChain* const hash_chain, + VP8LBackwardRefs* const refs_array, int width, + int height, int quality, int low_effort, + const WebPPicture* const pic, int percent_range, + int* const percent) { + int i; + int max_tokens = 0; + VP8LBackwardRefs* refs; + HuffmanTreeToken* tokens = NULL; + HuffmanTreeCode huffman_codes[5] = {{0, NULL, NULL}}; + const uint16_t histogram_symbols[1] = {0}; // only one tree, one symbol + int cache_bits = 0; + VP8LHistogramSet* histogram_image = NULL; + HuffmanTree* const huff_tree = (HuffmanTree*)WebPSafeMalloc( + 3ULL * CODE_LENGTH_CODES, sizeof(*huff_tree)); + if (huff_tree == NULL) { + WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + + // Calculate backward references from ARGB image. + if (!VP8LHashChainFill(hash_chain, quality, argb, width, height, low_effort, + pic, percent_range / 2, percent)) { + goto Error; + } + if (!VP8LGetBackwardReferences(width, height, argb, quality, /*low_effort=*/0, + kLZ77Standard | kLZ77RLE, cache_bits, + /*do_no_cache=*/0, hash_chain, refs_array, + &cache_bits, pic, + percent_range - percent_range / 2, percent)) { + goto Error; + } + refs = &refs_array[0]; + histogram_image = VP8LAllocateHistogramSet(1, cache_bits); + if (histogram_image == NULL) { + WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + VP8LHistogramSetClear(histogram_image); + + // Build histogram image and symbols from backward references. + VP8LHistogramStoreRefs(refs, histogram_image->histograms[0]); + + // Create Huffman bit lengths and codes for each histogram image. + assert(histogram_image->size == 1); + if (!GetHuffBitLengthsAndCodes(histogram_image, huffman_codes)) { + WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + + // No color cache, no Huffman image. + VP8LPutBits(bw, 0, 1); + + // Find maximum number of symbols for the huffman tree-set. + for (i = 0; i < 5; ++i) { + HuffmanTreeCode* const codes = &huffman_codes[i]; + if (max_tokens < codes->num_symbols) { + max_tokens = codes->num_symbols; + } + } + + tokens = (HuffmanTreeToken*)WebPSafeMalloc(max_tokens, sizeof(*tokens)); + if (tokens == NULL) { + WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + + // Store Huffman codes. + for (i = 0; i < 5; ++i) { + HuffmanTreeCode* const codes = &huffman_codes[i]; + StoreHuffmanCode(bw, huff_tree, tokens, codes); + ClearHuffmanTreeIfOnlyOneSymbol(codes); + } + + // Store actual literals. + if (!StoreImageToBitMask(bw, width, 0, refs, histogram_symbols, huffman_codes, + pic)) { + goto Error; + } + + Error: + WebPSafeFree(tokens); + WebPSafeFree(huff_tree); + VP8LFreeHistogramSet(histogram_image); + WebPSafeFree(huffman_codes[0].codes); + return (pic->error_code == VP8_ENC_OK); +} + +// pic and percent are for progress. +static int EncodeImageInternal( + VP8LBitWriter* const bw, const uint32_t* const argb, + VP8LHashChain* const hash_chain, VP8LBackwardRefs refs_array[4], int width, + int height, int quality, int low_effort, int use_cache, + const CrunchConfig* const config, int* cache_bits, int histogram_bits, + size_t init_byte_position, int* const hdr_size, int* const data_size, + const WebPPicture* const pic, int percent_range, int* const percent) { + const uint32_t histogram_image_xysize = + VP8LSubSampleSize(width, histogram_bits) * + VP8LSubSampleSize(height, histogram_bits); + int remaining_percent = percent_range; + int percent_start = *percent; + VP8LHistogramSet* histogram_image = NULL; + VP8LHistogram* tmp_histo = NULL; + int histogram_image_size = 0; + size_t bit_array_size = 0; + HuffmanTree* const huff_tree = (HuffmanTree*)WebPSafeMalloc( + 3ULL * CODE_LENGTH_CODES, sizeof(*huff_tree)); + HuffmanTreeToken* tokens = NULL; + HuffmanTreeCode* huffman_codes = NULL; + uint16_t* const histogram_symbols = (uint16_t*)WebPSafeMalloc( + histogram_image_xysize, sizeof(*histogram_symbols)); + int sub_configs_idx; + int cache_bits_init, write_histogram_image; + VP8LBitWriter bw_init = *bw, bw_best; + int hdr_size_tmp; + VP8LHashChain hash_chain_histogram; // histogram image hash chain + size_t bw_size_best = ~(size_t)0; + assert(histogram_bits >= MIN_HUFFMAN_BITS); + assert(histogram_bits <= MAX_HUFFMAN_BITS); + assert(hdr_size != NULL); + assert(data_size != NULL); + + memset(&hash_chain_histogram, 0, sizeof(hash_chain_histogram)); + if (!VP8LBitWriterInit(&bw_best, 0)) { + WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + + // Make sure we can allocate the different objects. + if (huff_tree == NULL || histogram_symbols == NULL || + !VP8LHashChainInit(&hash_chain_histogram, histogram_image_xysize)) { + WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + + percent_range = remaining_percent / 5; + if (!VP8LHashChainFill(hash_chain, quality, argb, width, height, + low_effort, pic, percent_range, percent)) { + goto Error; + } + percent_start += percent_range; + remaining_percent -= percent_range; + + if (use_cache) { + // If the value is different from zero, it has been set during the + // palette analysis. + cache_bits_init = (*cache_bits == 0) ? MAX_COLOR_CACHE_BITS : *cache_bits; + } else { + cache_bits_init = 0; + } + // If several iterations will happen, clone into bw_best. + if ((config->sub_configs_size_ > 1 || config->sub_configs_[0].do_no_cache_) && + !VP8LBitWriterClone(bw, &bw_best)) { + WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + + for (sub_configs_idx = 0; sub_configs_idx < config->sub_configs_size_; + ++sub_configs_idx) { + const CrunchSubConfig* const sub_config = + &config->sub_configs_[sub_configs_idx]; + int cache_bits_best, i_cache; + int i_remaining_percent = remaining_percent / config->sub_configs_size_; + int i_percent_range = i_remaining_percent / 4; + i_remaining_percent -= i_percent_range; + + if (!VP8LGetBackwardReferences( + width, height, argb, quality, low_effort, sub_config->lz77_, + cache_bits_init, sub_config->do_no_cache_, hash_chain, + &refs_array[0], &cache_bits_best, pic, i_percent_range, percent)) { + goto Error; + } + + for (i_cache = 0; i_cache < (sub_config->do_no_cache_ ? 2 : 1); ++i_cache) { + const int cache_bits_tmp = (i_cache == 0) ? cache_bits_best : 0; + // Speed-up: no need to study the no-cache case if it was already studied + // in i_cache == 0. + if (i_cache == 1 && cache_bits_best == 0) break; + + // Reset the bit writer for this iteration. + VP8LBitWriterReset(&bw_init, bw); + + // Build histogram image and symbols from backward references. + histogram_image = + VP8LAllocateHistogramSet(histogram_image_xysize, cache_bits_tmp); + tmp_histo = VP8LAllocateHistogram(cache_bits_tmp); + if (histogram_image == NULL || tmp_histo == NULL) { + WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + + i_percent_range = i_remaining_percent / 3; + i_remaining_percent -= i_percent_range; + if (!VP8LGetHistoImageSymbols( + width, height, &refs_array[i_cache], quality, low_effort, + histogram_bits, cache_bits_tmp, histogram_image, tmp_histo, + histogram_symbols, pic, i_percent_range, percent)) { + goto Error; + } + // Create Huffman bit lengths and codes for each histogram image. + histogram_image_size = histogram_image->size; + bit_array_size = 5 * histogram_image_size; + huffman_codes = (HuffmanTreeCode*)WebPSafeCalloc(bit_array_size, + sizeof(*huffman_codes)); + // Note: some histogram_image entries may point to tmp_histos[], so the + // latter need to outlive the following call to + // GetHuffBitLengthsAndCodes(). + if (huffman_codes == NULL || + !GetHuffBitLengthsAndCodes(histogram_image, huffman_codes)) { + WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + // Free combined histograms. + VP8LFreeHistogramSet(histogram_image); + histogram_image = NULL; + + // Free scratch histograms. + VP8LFreeHistogram(tmp_histo); + tmp_histo = NULL; + + // Color Cache parameters. + if (cache_bits_tmp > 0) { + VP8LPutBits(bw, 1, 1); + VP8LPutBits(bw, cache_bits_tmp, 4); + } else { + VP8LPutBits(bw, 0, 1); + } + + // Huffman image + meta huffman. + write_histogram_image = (histogram_image_size > 1); + VP8LPutBits(bw, write_histogram_image, 1); + if (write_histogram_image) { + uint32_t* const histogram_argb = (uint32_t*)WebPSafeMalloc( + histogram_image_xysize, sizeof(*histogram_argb)); + int max_index = 0; + uint32_t i; + if (histogram_argb == NULL) { + WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + for (i = 0; i < histogram_image_xysize; ++i) { + const int symbol_index = histogram_symbols[i] & 0xffff; + histogram_argb[i] = (symbol_index << 8); + if (symbol_index >= max_index) { + max_index = symbol_index + 1; + } + } + histogram_image_size = max_index; + + VP8LPutBits(bw, histogram_bits - 2, 3); + i_percent_range = i_remaining_percent / 2; + i_remaining_percent -= i_percent_range; + if (!EncodeImageNoHuffman( + bw, histogram_argb, &hash_chain_histogram, &refs_array[2], + VP8LSubSampleSize(width, histogram_bits), + VP8LSubSampleSize(height, histogram_bits), quality, low_effort, + pic, i_percent_range, percent)) { + WebPSafeFree(histogram_argb); + goto Error; + } + WebPSafeFree(histogram_argb); + } + + // Store Huffman codes. + { + int i; + int max_tokens = 0; + // Find maximum number of symbols for the huffman tree-set. + for (i = 0; i < 5 * histogram_image_size; ++i) { + HuffmanTreeCode* const codes = &huffman_codes[i]; + if (max_tokens < codes->num_symbols) { + max_tokens = codes->num_symbols; + } + } + tokens = (HuffmanTreeToken*)WebPSafeMalloc(max_tokens, sizeof(*tokens)); + if (tokens == NULL) { + WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + for (i = 0; i < 5 * histogram_image_size; ++i) { + HuffmanTreeCode* const codes = &huffman_codes[i]; + StoreHuffmanCode(bw, huff_tree, tokens, codes); + ClearHuffmanTreeIfOnlyOneSymbol(codes); + } + } + // Store actual literals. + hdr_size_tmp = (int)(VP8LBitWriterNumBytes(bw) - init_byte_position); + if (!StoreImageToBitMask(bw, width, histogram_bits, &refs_array[i_cache], + histogram_symbols, huffman_codes, pic)) { + goto Error; + } + // Keep track of the smallest image so far. + if (VP8LBitWriterNumBytes(bw) < bw_size_best) { + bw_size_best = VP8LBitWriterNumBytes(bw); + *cache_bits = cache_bits_tmp; + *hdr_size = hdr_size_tmp; + *data_size = + (int)(VP8LBitWriterNumBytes(bw) - init_byte_position - *hdr_size); + VP8LBitWriterSwap(bw, &bw_best); + } + WebPSafeFree(tokens); + tokens = NULL; + if (huffman_codes != NULL) { + WebPSafeFree(huffman_codes->codes); + WebPSafeFree(huffman_codes); + huffman_codes = NULL; + } + } + } + VP8LBitWriterSwap(bw, &bw_best); + + if (!WebPReportProgress(pic, percent_start + remaining_percent, percent)) { + goto Error; + } + + Error: + WebPSafeFree(tokens); + WebPSafeFree(huff_tree); + VP8LFreeHistogramSet(histogram_image); + VP8LFreeHistogram(tmp_histo); + VP8LHashChainClear(&hash_chain_histogram); + if (huffman_codes != NULL) { + WebPSafeFree(huffman_codes->codes); + WebPSafeFree(huffman_codes); + } + WebPSafeFree(histogram_symbols); + VP8LBitWriterWipeOut(&bw_best); + return (pic->error_code == VP8_ENC_OK); +} + +// ----------------------------------------------------------------------------- +// Transforms + +static void ApplySubtractGreen(VP8LEncoder* const enc, int width, int height, + VP8LBitWriter* const bw) { + VP8LPutBits(bw, TRANSFORM_PRESENT, 1); + VP8LPutBits(bw, SUBTRACT_GREEN_TRANSFORM, 2); + VP8LSubtractGreenFromBlueAndRed(enc->argb_, width * height); +} + +static int ApplyPredictFilter(const VP8LEncoder* const enc, int width, + int height, int quality, int low_effort, + int used_subtract_green, VP8LBitWriter* const bw, + int percent_range, int* const percent) { + const int pred_bits = enc->transform_bits_; + const int transform_width = VP8LSubSampleSize(width, pred_bits); + const int transform_height = VP8LSubSampleSize(height, pred_bits); + // we disable near-lossless quantization if palette is used. + const int near_lossless_strength = + enc->use_palette_ ? 100 : enc->config_->near_lossless; + + if (!VP8LResidualImage( + width, height, pred_bits, low_effort, enc->argb_, enc->argb_scratch_, + enc->transform_data_, near_lossless_strength, enc->config_->exact, + used_subtract_green, enc->pic_, percent_range / 2, percent)) { + return 0; + } + VP8LPutBits(bw, TRANSFORM_PRESENT, 1); + VP8LPutBits(bw, PREDICTOR_TRANSFORM, 2); + assert(pred_bits >= 2); + VP8LPutBits(bw, pred_bits - 2, 3); + return EncodeImageNoHuffman( + bw, enc->transform_data_, (VP8LHashChain*)&enc->hash_chain_, + (VP8LBackwardRefs*)&enc->refs_[0], transform_width, transform_height, + quality, low_effort, enc->pic_, percent_range - percent_range / 2, + percent); +} + +static int ApplyCrossColorFilter(const VP8LEncoder* const enc, int width, + int height, int quality, int low_effort, + VP8LBitWriter* const bw, int percent_range, + int* const percent) { + const int ccolor_transform_bits = enc->transform_bits_; + const int transform_width = VP8LSubSampleSize(width, ccolor_transform_bits); + const int transform_height = VP8LSubSampleSize(height, ccolor_transform_bits); + + if (!VP8LColorSpaceTransform(width, height, ccolor_transform_bits, quality, + enc->argb_, enc->transform_data_, enc->pic_, + percent_range / 2, percent)) { + return 0; + } + VP8LPutBits(bw, TRANSFORM_PRESENT, 1); + VP8LPutBits(bw, CROSS_COLOR_TRANSFORM, 2); + assert(ccolor_transform_bits >= 2); + VP8LPutBits(bw, ccolor_transform_bits - 2, 3); + return EncodeImageNoHuffman( + bw, enc->transform_data_, (VP8LHashChain*)&enc->hash_chain_, + (VP8LBackwardRefs*)&enc->refs_[0], transform_width, transform_height, + quality, low_effort, enc->pic_, percent_range - percent_range / 2, + percent); +} + +// ----------------------------------------------------------------------------- + +static int WriteRiffHeader(const WebPPicture* const pic, size_t riff_size, + size_t vp8l_size) { + uint8_t riff[RIFF_HEADER_SIZE + CHUNK_HEADER_SIZE + VP8L_SIGNATURE_SIZE] = { + 'R', 'I', 'F', 'F', 0, 0, 0, 0, 'W', 'E', 'B', 'P', + 'V', 'P', '8', 'L', 0, 0, 0, 0, VP8L_MAGIC_BYTE, + }; + PutLE32(riff + TAG_SIZE, (uint32_t)riff_size); + PutLE32(riff + RIFF_HEADER_SIZE + TAG_SIZE, (uint32_t)vp8l_size); + return pic->writer(riff, sizeof(riff), pic); +} + +static int WriteImageSize(const WebPPicture* const pic, + VP8LBitWriter* const bw) { + const int width = pic->width - 1; + const int height = pic->height - 1; + assert(width < WEBP_MAX_DIMENSION && height < WEBP_MAX_DIMENSION); + + VP8LPutBits(bw, width, VP8L_IMAGE_SIZE_BITS); + VP8LPutBits(bw, height, VP8L_IMAGE_SIZE_BITS); + return !bw->error_; +} + +static int WriteRealAlphaAndVersion(VP8LBitWriter* const bw, int has_alpha) { + VP8LPutBits(bw, has_alpha, 1); + VP8LPutBits(bw, VP8L_VERSION, VP8L_VERSION_BITS); + return !bw->error_; +} + +static int WriteImage(const WebPPicture* const pic, VP8LBitWriter* const bw, + size_t* const coded_size) { + const uint8_t* const webpll_data = VP8LBitWriterFinish(bw); + const size_t webpll_size = VP8LBitWriterNumBytes(bw); + const size_t vp8l_size = VP8L_SIGNATURE_SIZE + webpll_size; + const size_t pad = vp8l_size & 1; + const size_t riff_size = TAG_SIZE + CHUNK_HEADER_SIZE + vp8l_size + pad; + *coded_size = 0; + + if (bw->error_) { + return WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + + if (!WriteRiffHeader(pic, riff_size, vp8l_size) || + !pic->writer(webpll_data, webpll_size, pic)) { + return WebPEncodingSetError(pic, VP8_ENC_ERROR_BAD_WRITE); + } + + if (pad) { + const uint8_t pad_byte[1] = { 0 }; + if (!pic->writer(pad_byte, 1, pic)) { + return WebPEncodingSetError(pic, VP8_ENC_ERROR_BAD_WRITE); + } + } + *coded_size = CHUNK_HEADER_SIZE + riff_size; + return 1; +} + +// ----------------------------------------------------------------------------- + +static void ClearTransformBuffer(VP8LEncoder* const enc) { + WebPSafeFree(enc->transform_mem_); + enc->transform_mem_ = NULL; + enc->transform_mem_size_ = 0; +} + +// Allocates the memory for argb (W x H) buffer, 2 rows of context for +// prediction and transform data. +// Flags influencing the memory allocated: +// enc->transform_bits_ +// enc->use_predict_, enc->use_cross_color_ +static int AllocateTransformBuffer(VP8LEncoder* const enc, int width, + int height) { + const uint64_t image_size = width * height; + // VP8LResidualImage needs room for 2 scanlines of uint32 pixels with an extra + // pixel in each, plus 2 regular scanlines of bytes. + // TODO(skal): Clean up by using arithmetic in bytes instead of words. + const uint64_t argb_scratch_size = + enc->use_predict_ ? (width + 1) * 2 + (width * 2 + sizeof(uint32_t) - 1) / + sizeof(uint32_t) + : 0; + const uint64_t transform_data_size = + (enc->use_predict_ || enc->use_cross_color_) + ? VP8LSubSampleSize(width, enc->transform_bits_) * + VP8LSubSampleSize(height, enc->transform_bits_) + : 0; + const uint64_t max_alignment_in_words = + (WEBP_ALIGN_CST + sizeof(uint32_t) - 1) / sizeof(uint32_t); + const uint64_t mem_size = image_size + max_alignment_in_words + + argb_scratch_size + max_alignment_in_words + + transform_data_size; + uint32_t* mem = enc->transform_mem_; + if (mem == NULL || mem_size > enc->transform_mem_size_) { + ClearTransformBuffer(enc); + mem = (uint32_t*)WebPSafeMalloc(mem_size, sizeof(*mem)); + if (mem == NULL) { + return WebPEncodingSetError(enc->pic_, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + enc->transform_mem_ = mem; + enc->transform_mem_size_ = (size_t)mem_size; + enc->argb_content_ = kEncoderNone; + } + enc->argb_ = mem; + mem = (uint32_t*)WEBP_ALIGN(mem + image_size); + enc->argb_scratch_ = mem; + mem = (uint32_t*)WEBP_ALIGN(mem + argb_scratch_size); + enc->transform_data_ = mem; + + enc->current_width_ = width; + return 1; +} + +static int MakeInputImageCopy(VP8LEncoder* const enc) { + const WebPPicture* const picture = enc->pic_; + const int width = picture->width; + const int height = picture->height; + + if (!AllocateTransformBuffer(enc, width, height)) return 0; + if (enc->argb_content_ == kEncoderARGB) return 1; + + { + uint32_t* dst = enc->argb_; + const uint32_t* src = picture->argb; + int y; + for (y = 0; y < height; ++y) { + memcpy(dst, src, width * sizeof(*dst)); + dst += width; + src += picture->argb_stride; + } + } + enc->argb_content_ = kEncoderARGB; + assert(enc->current_width_ == width); + return 1; +} + +// ----------------------------------------------------------------------------- + +#define APPLY_PALETTE_GREEDY_MAX 4 + +static WEBP_INLINE uint32_t SearchColorGreedy(const uint32_t palette[], + int palette_size, + uint32_t color) { + (void)palette_size; + assert(palette_size < APPLY_PALETTE_GREEDY_MAX); + assert(3 == APPLY_PALETTE_GREEDY_MAX - 1); + if (color == palette[0]) return 0; + if (color == palette[1]) return 1; + if (color == palette[2]) return 2; + return 3; +} + +static WEBP_INLINE uint32_t ApplyPaletteHash0(uint32_t color) { + // Focus on the green color. + return (color >> 8) & 0xff; +} + +#define PALETTE_INV_SIZE_BITS 11 +#define PALETTE_INV_SIZE (1 << PALETTE_INV_SIZE_BITS) + +static WEBP_INLINE uint32_t ApplyPaletteHash1(uint32_t color) { + // Forget about alpha. + return ((uint32_t)((color & 0x00ffffffu) * 4222244071ull)) >> + (32 - PALETTE_INV_SIZE_BITS); +} + +static WEBP_INLINE uint32_t ApplyPaletteHash2(uint32_t color) { + // Forget about alpha. + return ((uint32_t)((color & 0x00ffffffu) * ((1ull << 31) - 1))) >> + (32 - PALETTE_INV_SIZE_BITS); +} + +// Use 1 pixel cache for ARGB pixels. +#define APPLY_PALETTE_FOR(COLOR_INDEX) do { \ + uint32_t prev_pix = palette[0]; \ + uint32_t prev_idx = 0; \ + for (y = 0; y < height; ++y) { \ + for (x = 0; x < width; ++x) { \ + const uint32_t pix = src[x]; \ + if (pix != prev_pix) { \ + prev_idx = COLOR_INDEX; \ + prev_pix = pix; \ + } \ + tmp_row[x] = prev_idx; \ + } \ + VP8LBundleColorMap(tmp_row, width, xbits, dst); \ + src += src_stride; \ + dst += dst_stride; \ + } \ +} while (0) + +// Remap argb values in src[] to packed palettes entries in dst[] +// using 'row' as a temporary buffer of size 'width'. +// We assume that all src[] values have a corresponding entry in the palette. +// Note: src[] can be the same as dst[] +static int ApplyPalette(const uint32_t* src, uint32_t src_stride, uint32_t* dst, + uint32_t dst_stride, const uint32_t* palette, + int palette_size, int width, int height, int xbits, + const WebPPicture* const pic) { + // TODO(skal): this tmp buffer is not needed if VP8LBundleColorMap() can be + // made to work in-place. + uint8_t* const tmp_row = (uint8_t*)WebPSafeMalloc(width, sizeof(*tmp_row)); + int x, y; + + if (tmp_row == NULL) { + return WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + + if (palette_size < APPLY_PALETTE_GREEDY_MAX) { + APPLY_PALETTE_FOR(SearchColorGreedy(palette, palette_size, pix)); + } else { + int i, j; + uint16_t buffer[PALETTE_INV_SIZE]; + uint32_t (*const hash_functions[])(uint32_t) = { + ApplyPaletteHash0, ApplyPaletteHash1, ApplyPaletteHash2 + }; + + // Try to find a perfect hash function able to go from a color to an index + // within 1 << PALETTE_INV_SIZE_BITS in order to build a hash map to go + // from color to index in palette. + for (i = 0; i < 3; ++i) { + int use_LUT = 1; + // Set each element in buffer to max uint16_t. + memset(buffer, 0xff, sizeof(buffer)); + for (j = 0; j < palette_size; ++j) { + const uint32_t ind = hash_functions[i](palette[j]); + if (buffer[ind] != 0xffffu) { + use_LUT = 0; + break; + } else { + buffer[ind] = j; + } + } + if (use_LUT) break; + } + + if (i == 0) { + APPLY_PALETTE_FOR(buffer[ApplyPaletteHash0(pix)]); + } else if (i == 1) { + APPLY_PALETTE_FOR(buffer[ApplyPaletteHash1(pix)]); + } else if (i == 2) { + APPLY_PALETTE_FOR(buffer[ApplyPaletteHash2(pix)]); + } else { + uint32_t idx_map[MAX_PALETTE_SIZE]; + uint32_t palette_sorted[MAX_PALETTE_SIZE]; + PrepareMapToPalette(palette, palette_size, palette_sorted, idx_map); + APPLY_PALETTE_FOR( + idx_map[SearchColorNoIdx(palette_sorted, pix, palette_size)]); + } + } + WebPSafeFree(tmp_row); + return 1; +} +#undef APPLY_PALETTE_FOR +#undef PALETTE_INV_SIZE_BITS +#undef PALETTE_INV_SIZE +#undef APPLY_PALETTE_GREEDY_MAX + +// Note: Expects "enc->palette_" to be set properly. +static int MapImageFromPalette(VP8LEncoder* const enc, int in_place) { + const WebPPicture* const pic = enc->pic_; + const int width = pic->width; + const int height = pic->height; + const uint32_t* const palette = enc->palette_; + const uint32_t* src = in_place ? enc->argb_ : pic->argb; + const int src_stride = in_place ? enc->current_width_ : pic->argb_stride; + const int palette_size = enc->palette_size_; + int xbits; + + // Replace each input pixel by corresponding palette index. + // This is done line by line. + if (palette_size <= 4) { + xbits = (palette_size <= 2) ? 3 : 2; + } else { + xbits = (palette_size <= 16) ? 1 : 0; + } + + if (!AllocateTransformBuffer(enc, VP8LSubSampleSize(width, xbits), height)) { + return 0; + } + if (!ApplyPalette(src, src_stride, + enc->argb_, enc->current_width_, + palette, palette_size, width, height, xbits, pic)) { + return 0; + } + enc->argb_content_ = kEncoderPalette; + return 1; +} + +// Save palette_[] to bitstream. +static WebPEncodingError EncodePalette(VP8LBitWriter* const bw, int low_effort, + VP8LEncoder* const enc, + int percent_range, int* const percent) { + int i; + uint32_t tmp_palette[MAX_PALETTE_SIZE]; + const int palette_size = enc->palette_size_; + const uint32_t* const palette = enc->palette_; + VP8LPutBits(bw, TRANSFORM_PRESENT, 1); + VP8LPutBits(bw, COLOR_INDEXING_TRANSFORM, 2); + assert(palette_size >= 1 && palette_size <= MAX_PALETTE_SIZE); + VP8LPutBits(bw, palette_size - 1, 8); + for (i = palette_size - 1; i >= 1; --i) { + tmp_palette[i] = VP8LSubPixels(palette[i], palette[i - 1]); + } + tmp_palette[0] = palette[0]; + return EncodeImageNoHuffman(bw, tmp_palette, &enc->hash_chain_, + &enc->refs_[0], palette_size, 1, /*quality=*/20, + low_effort, enc->pic_, percent_range, percent); +} + +// ----------------------------------------------------------------------------- +// VP8LEncoder + +static VP8LEncoder* VP8LEncoderNew(const WebPConfig* const config, + const WebPPicture* const picture) { + VP8LEncoder* const enc = (VP8LEncoder*)WebPSafeCalloc(1ULL, sizeof(*enc)); + if (enc == NULL) { + WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY); + return NULL; + } + enc->config_ = config; + enc->pic_ = picture; + enc->argb_content_ = kEncoderNone; + + VP8LEncDspInit(); + + return enc; +} + +static void VP8LEncoderDelete(VP8LEncoder* enc) { + if (enc != NULL) { + int i; + VP8LHashChainClear(&enc->hash_chain_); + for (i = 0; i < 4; ++i) VP8LBackwardRefsClear(&enc->refs_[i]); + ClearTransformBuffer(enc); + WebPSafeFree(enc); + } +} + +// ----------------------------------------------------------------------------- +// Main call + +typedef struct { + const WebPConfig* config_; + const WebPPicture* picture_; + VP8LBitWriter* bw_; + VP8LEncoder* enc_; + int use_cache_; + CrunchConfig crunch_configs_[CRUNCH_CONFIGS_MAX]; + int num_crunch_configs_; + int red_and_blue_always_zero_; + WebPAuxStats* stats_; +} StreamEncodeContext; + +static int EncodeStreamHook(void* input, void* data2) { + StreamEncodeContext* const params = (StreamEncodeContext*)input; + const WebPConfig* const config = params->config_; + const WebPPicture* const picture = params->picture_; + VP8LBitWriter* const bw = params->bw_; + VP8LEncoder* const enc = params->enc_; + const int use_cache = params->use_cache_; + const CrunchConfig* const crunch_configs = params->crunch_configs_; + const int num_crunch_configs = params->num_crunch_configs_; + const int red_and_blue_always_zero = params->red_and_blue_always_zero_; +#if !defined(WEBP_DISABLE_STATS) + WebPAuxStats* const stats = params->stats_; +#endif + const int quality = (int)config->quality; + const int low_effort = (config->method == 0); +#if (WEBP_NEAR_LOSSLESS == 1) + const int width = picture->width; +#endif + const int height = picture->height; + const size_t byte_position = VP8LBitWriterNumBytes(bw); + int percent = 2; // for WebPProgressHook +#if (WEBP_NEAR_LOSSLESS == 1) + int use_near_lossless = 0; +#endif + int hdr_size = 0; + int data_size = 0; + int use_delta_palette = 0; + int idx; + size_t best_size = ~(size_t)0; + VP8LBitWriter bw_init = *bw, bw_best; + (void)data2; + + if (!VP8LBitWriterInit(&bw_best, 0) || + (num_crunch_configs > 1 && !VP8LBitWriterClone(bw, &bw_best))) { + WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + + for (idx = 0; idx < num_crunch_configs; ++idx) { + const int entropy_idx = crunch_configs[idx].entropy_idx_; + int remaining_percent = 97 / num_crunch_configs, percent_range; + enc->use_palette_ = + (entropy_idx == kPalette) || (entropy_idx == kPaletteAndSpatial); + enc->use_subtract_green_ = + (entropy_idx == kSubGreen) || (entropy_idx == kSpatialSubGreen); + enc->use_predict_ = (entropy_idx == kSpatial) || + (entropy_idx == kSpatialSubGreen) || + (entropy_idx == kPaletteAndSpatial); + // When using a palette, R/B==0, hence no need to test for cross-color. + if (low_effort || enc->use_palette_) { + enc->use_cross_color_ = 0; + } else { + enc->use_cross_color_ = red_and_blue_always_zero ? 0 : enc->use_predict_; + } + // Reset any parameter in the encoder that is set in the previous iteration. + enc->cache_bits_ = 0; + VP8LBackwardRefsClear(&enc->refs_[0]); + VP8LBackwardRefsClear(&enc->refs_[1]); + +#if (WEBP_NEAR_LOSSLESS == 1) + // Apply near-lossless preprocessing. + use_near_lossless = (config->near_lossless < 100) && !enc->use_palette_ && + !enc->use_predict_; + if (use_near_lossless) { + if (!AllocateTransformBuffer(enc, width, height)) goto Error; + if ((enc->argb_content_ != kEncoderNearLossless) && + !VP8ApplyNearLossless(picture, config->near_lossless, enc->argb_)) { + WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + enc->argb_content_ = kEncoderNearLossless; + } else { + enc->argb_content_ = kEncoderNone; + } +#else + enc->argb_content_ = kEncoderNone; +#endif + + // Encode palette + if (enc->use_palette_) { + if (crunch_configs[idx].palette_sorting_type_ == kSortedDefault) { + // Nothing to do, we have already sorted the palette. + memcpy(enc->palette_, enc->palette_sorted_, + enc->palette_size_ * sizeof(*enc->palette_)); + } else if (crunch_configs[idx].palette_sorting_type_ == kMinimizeDelta) { + PaletteSortMinimizeDeltas(enc->palette_sorted_, enc->palette_size_, + enc->palette_); + } else { + assert(crunch_configs[idx].palette_sorting_type_ == kModifiedZeng); + if (!PaletteSortModifiedZeng(enc->pic_, enc->palette_sorted_, + enc->palette_size_, enc->palette_)) { + goto Error; + } + } + percent_range = remaining_percent / 4; + if (!EncodePalette(bw, low_effort, enc, percent_range, &percent)) { + goto Error; + } + remaining_percent -= percent_range; + if (!MapImageFromPalette(enc, use_delta_palette)) goto Error; + // If using a color cache, do not have it bigger than the number of + // colors. + if (use_cache && enc->palette_size_ < (1 << MAX_COLOR_CACHE_BITS)) { + enc->cache_bits_ = BitsLog2Floor(enc->palette_size_) + 1; + } + } + if (!use_delta_palette) { + // In case image is not packed. + if (enc->argb_content_ != kEncoderNearLossless && + enc->argb_content_ != kEncoderPalette) { + if (!MakeInputImageCopy(enc)) goto Error; + } + + // ----------------------------------------------------------------------- + // Apply transforms and write transform data. + + if (enc->use_subtract_green_) { + ApplySubtractGreen(enc, enc->current_width_, height, bw); + } + + if (enc->use_predict_) { + percent_range = remaining_percent / 3; + if (!ApplyPredictFilter(enc, enc->current_width_, height, quality, + low_effort, enc->use_subtract_green_, bw, + percent_range, &percent)) { + goto Error; + } + remaining_percent -= percent_range; + } + + if (enc->use_cross_color_) { + percent_range = remaining_percent / 2; + if (!ApplyCrossColorFilter(enc, enc->current_width_, height, quality, + low_effort, bw, percent_range, &percent)) { + goto Error; + } + remaining_percent -= percent_range; + } + } + + VP8LPutBits(bw, !TRANSFORM_PRESENT, 1); // No more transforms. + + // ------------------------------------------------------------------------- + // Encode and write the transformed image. + if (!EncodeImageInternal( + bw, enc->argb_, &enc->hash_chain_, enc->refs_, enc->current_width_, + height, quality, low_effort, use_cache, &crunch_configs[idx], + &enc->cache_bits_, enc->histo_bits_, byte_position, &hdr_size, + &data_size, picture, remaining_percent, &percent)) { + goto Error; + } + + // If we are better than what we already have. + if (VP8LBitWriterNumBytes(bw) < best_size) { + best_size = VP8LBitWriterNumBytes(bw); + // Store the BitWriter. + VP8LBitWriterSwap(bw, &bw_best); +#if !defined(WEBP_DISABLE_STATS) + // Update the stats. + if (stats != NULL) { + stats->lossless_features = 0; + if (enc->use_predict_) stats->lossless_features |= 1; + if (enc->use_cross_color_) stats->lossless_features |= 2; + if (enc->use_subtract_green_) stats->lossless_features |= 4; + if (enc->use_palette_) stats->lossless_features |= 8; + stats->histogram_bits = enc->histo_bits_; + stats->transform_bits = enc->transform_bits_; + stats->cache_bits = enc->cache_bits_; + stats->palette_size = enc->palette_size_; + stats->lossless_size = (int)(best_size - byte_position); + stats->lossless_hdr_size = hdr_size; + stats->lossless_data_size = data_size; + } +#endif + } + // Reset the bit writer for the following iteration if any. + if (num_crunch_configs > 1) VP8LBitWriterReset(&bw_init, bw); + } + VP8LBitWriterSwap(&bw_best, bw); + + Error: + VP8LBitWriterWipeOut(&bw_best); + // The hook should return false in case of error. + return (params->picture_->error_code == VP8_ENC_OK); +} + +int VP8LEncodeStream(const WebPConfig* const config, + const WebPPicture* const picture, + VP8LBitWriter* const bw_main, int use_cache) { + VP8LEncoder* const enc_main = VP8LEncoderNew(config, picture); + VP8LEncoder* enc_side = NULL; + CrunchConfig crunch_configs[CRUNCH_CONFIGS_MAX]; + int num_crunch_configs_main, num_crunch_configs_side = 0; + int idx; + int red_and_blue_always_zero = 0; + WebPWorker worker_main, worker_side; + StreamEncodeContext params_main, params_side; + // The main thread uses picture->stats, the side thread uses stats_side. + WebPAuxStats stats_side; + VP8LBitWriter bw_side; + WebPPicture picture_side; + const WebPWorkerInterface* const worker_interface = WebPGetWorkerInterface(); + int ok_main; + + if (enc_main == NULL || !VP8LBitWriterInit(&bw_side, 0)) { + VP8LEncoderDelete(enc_main); + return WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + + // Avoid "garbage value" error from Clang's static analysis tool. + WebPPictureInit(&picture_side); + + // Analyze image (entropy, num_palettes etc) + if (!EncoderAnalyze(enc_main, crunch_configs, &num_crunch_configs_main, + &red_and_blue_always_zero) || + !EncoderInit(enc_main)) { + WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + + // Split the configs between the main and side threads (if any). + if (config->thread_level > 0) { + num_crunch_configs_side = num_crunch_configs_main / 2; + for (idx = 0; idx < num_crunch_configs_side; ++idx) { + params_side.crunch_configs_[idx] = + crunch_configs[num_crunch_configs_main - num_crunch_configs_side + + idx]; + } + params_side.num_crunch_configs_ = num_crunch_configs_side; + } + num_crunch_configs_main -= num_crunch_configs_side; + for (idx = 0; idx < num_crunch_configs_main; ++idx) { + params_main.crunch_configs_[idx] = crunch_configs[idx]; + } + params_main.num_crunch_configs_ = num_crunch_configs_main; + + // Fill in the parameters for the thread workers. + { + const int params_size = (num_crunch_configs_side > 0) ? 2 : 1; + for (idx = 0; idx < params_size; ++idx) { + // Create the parameters for each worker. + WebPWorker* const worker = (idx == 0) ? &worker_main : &worker_side; + StreamEncodeContext* const param = + (idx == 0) ? ¶ms_main : ¶ms_side; + param->config_ = config; + param->use_cache_ = use_cache; + param->red_and_blue_always_zero_ = red_and_blue_always_zero; + if (idx == 0) { + param->picture_ = picture; + param->stats_ = picture->stats; + param->bw_ = bw_main; + param->enc_ = enc_main; + } else { + // Create a side picture (error_code is not thread-safe). + if (!WebPPictureView(picture, /*left=*/0, /*top=*/0, picture->width, + picture->height, &picture_side)) { + assert(0); + } + picture_side.progress_hook = NULL; // Progress hook is not thread-safe. + param->picture_ = &picture_side; // No need to free a view afterwards. + param->stats_ = (picture->stats == NULL) ? NULL : &stats_side; + // Create a side bit writer. + if (!VP8LBitWriterClone(bw_main, &bw_side)) { + WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + param->bw_ = &bw_side; + // Create a side encoder. + enc_side = VP8LEncoderNew(config, &picture_side); + if (enc_side == NULL || !EncoderInit(enc_side)) { + WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + // Copy the values that were computed for the main encoder. + enc_side->histo_bits_ = enc_main->histo_bits_; + enc_side->transform_bits_ = enc_main->transform_bits_; + enc_side->palette_size_ = enc_main->palette_size_; + memcpy(enc_side->palette_, enc_main->palette_, + sizeof(enc_main->palette_)); + memcpy(enc_side->palette_sorted_, enc_main->palette_sorted_, + sizeof(enc_main->palette_sorted_)); + param->enc_ = enc_side; + } + // Create the workers. + worker_interface->Init(worker); + worker->data1 = param; + worker->data2 = NULL; + worker->hook = EncodeStreamHook; + } + } + + // Start the second thread if needed. + if (num_crunch_configs_side != 0) { + if (!worker_interface->Reset(&worker_side)) { + WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } +#if !defined(WEBP_DISABLE_STATS) + // This line is here and not in the param initialization above to remove a + // Clang static analyzer warning. + if (picture->stats != NULL) { + memcpy(&stats_side, picture->stats, sizeof(stats_side)); + } +#endif + worker_interface->Launch(&worker_side); + } + // Execute the main thread. + worker_interface->Execute(&worker_main); + ok_main = worker_interface->Sync(&worker_main); + worker_interface->End(&worker_main); + if (num_crunch_configs_side != 0) { + // Wait for the second thread. + const int ok_side = worker_interface->Sync(&worker_side); + worker_interface->End(&worker_side); + if (!ok_main || !ok_side) { + if (picture->error_code == VP8_ENC_OK) { + assert(picture_side.error_code != VP8_ENC_OK); + WebPEncodingSetError(picture, picture_side.error_code); + } + goto Error; + } + if (VP8LBitWriterNumBytes(&bw_side) < VP8LBitWriterNumBytes(bw_main)) { + VP8LBitWriterSwap(bw_main, &bw_side); +#if !defined(WEBP_DISABLE_STATS) + if (picture->stats != NULL) { + memcpy(picture->stats, &stats_side, sizeof(*picture->stats)); + } +#endif + } + } + + Error: + VP8LBitWriterWipeOut(&bw_side); + VP8LEncoderDelete(enc_main); + VP8LEncoderDelete(enc_side); + return (picture->error_code == VP8_ENC_OK); +} + +#undef CRUNCH_CONFIGS_MAX +#undef CRUNCH_SUBCONFIGS_MAX + +int VP8LEncodeImage(const WebPConfig* const config, + const WebPPicture* const picture) { + int width, height; + int has_alpha; + size_t coded_size; + int percent = 0; + int initial_size; + VP8LBitWriter bw; + + if (picture == NULL) return 0; + + if (config == NULL || picture->argb == NULL) { + return WebPEncodingSetError(picture, VP8_ENC_ERROR_NULL_PARAMETER); + } + + width = picture->width; + height = picture->height; + // Initialize BitWriter with size corresponding to 16 bpp to photo images and + // 8 bpp for graphical images. + initial_size = (config->image_hint == WEBP_HINT_GRAPH) ? + width * height : width * height * 2; + if (!VP8LBitWriterInit(&bw, initial_size)) { + WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + + if (!WebPReportProgress(picture, 1, &percent)) { + UserAbort: + WebPEncodingSetError(picture, VP8_ENC_ERROR_USER_ABORT); + goto Error; + } + // Reset stats (for pure lossless coding) + if (picture->stats != NULL) { + WebPAuxStats* const stats = picture->stats; + memset(stats, 0, sizeof(*stats)); + stats->PSNR[0] = 99.f; + stats->PSNR[1] = 99.f; + stats->PSNR[2] = 99.f; + stats->PSNR[3] = 99.f; + stats->PSNR[4] = 99.f; + } + + // Write image size. + if (!WriteImageSize(picture, &bw)) { + WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + + has_alpha = WebPPictureHasTransparency(picture); + // Write the non-trivial Alpha flag and lossless version. + if (!WriteRealAlphaAndVersion(&bw, has_alpha)) { + WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY); + goto Error; + } + + if (!WebPReportProgress(picture, 2, &percent)) goto UserAbort; + + // Encode main image stream. + if (!VP8LEncodeStream(config, picture, &bw, 1 /*use_cache*/)) goto Error; + + if (!WebPReportProgress(picture, 99, &percent)) goto UserAbort; + + // Finish the RIFF chunk. + if (!WriteImage(picture, &bw, &coded_size)) goto Error; + + if (!WebPReportProgress(picture, 100, &percent)) goto UserAbort; + +#if !defined(WEBP_DISABLE_STATS) + // Save size. + if (picture->stats != NULL) { + picture->stats->coded_size += (int)coded_size; + picture->stats->lossless_size = (int)coded_size; + } +#endif + + if (picture->extra_info != NULL) { + const int mb_w = (width + 15) >> 4; + const int mb_h = (height + 15) >> 4; + memset(picture->extra_info, 0, mb_w * mb_h * sizeof(*picture->extra_info)); + } + + Error: + if (bw.error_) { + WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY); + } + VP8LBitWriterWipeOut(&bw); + return (picture->error_code == VP8_ENC_OK); +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/enc/vp8li_enc.h b/ProductApp/Pods/libwebp/src/enc/vp8li_enc.h new file mode 100644 index 0000000..3d35e16 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/vp8li_enc.h @@ -0,0 +1,126 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Lossless encoder: internal header. +// +// Author: Vikas Arora (vikaas.arora@gmail.com) + +#ifndef WEBP_ENC_VP8LI_ENC_H_ +#define WEBP_ENC_VP8LI_ENC_H_ + +#ifdef HAVE_CONFIG_H +#include "src/webp/config.h" +#endif +// Either WEBP_NEAR_LOSSLESS is defined as 0 in config.h when compiling to +// disable near-lossless, or it is enabled by default. +#ifndef WEBP_NEAR_LOSSLESS +#define WEBP_NEAR_LOSSLESS 1 +#endif + +#include "src/enc/backward_references_enc.h" +#include "src/enc/histogram_enc.h" +#include "src/utils/bit_writer_utils.h" +#include "src/webp/encode.h" +#include "src/webp/format_constants.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// maximum value of transform_bits_ in VP8LEncoder. +#define MAX_TRANSFORM_BITS 6 + +typedef enum { + kEncoderNone = 0, + kEncoderARGB, + kEncoderNearLossless, + kEncoderPalette +} VP8LEncoderARGBContent; + +typedef struct { + const WebPConfig* config_; // user configuration and parameters + const WebPPicture* pic_; // input picture. + + uint32_t* argb_; // Transformed argb image data. + VP8LEncoderARGBContent argb_content_; // Content type of the argb buffer. + uint32_t* argb_scratch_; // Scratch memory for argb rows + // (used for prediction). + uint32_t* transform_data_; // Scratch memory for transform data. + uint32_t* transform_mem_; // Currently allocated memory. + size_t transform_mem_size_; // Currently allocated memory size. + + int current_width_; // Corresponds to packed image width. + + // Encoding parameters derived from quality parameter. + int histo_bits_; + int transform_bits_; // <= MAX_TRANSFORM_BITS. + int cache_bits_; // If equal to 0, don't use color cache. + + // Encoding parameters derived from image characteristics. + int use_cross_color_; + int use_subtract_green_; + int use_predict_; + int use_palette_; + int palette_size_; + uint32_t palette_[MAX_PALETTE_SIZE]; + // Sorted version of palette_ for cache purposes. + uint32_t palette_sorted_[MAX_PALETTE_SIZE]; + + // Some 'scratch' (potentially large) objects. + struct VP8LBackwardRefs refs_[4]; // Backward Refs array for temporaries. + VP8LHashChain hash_chain_; // HashChain data for constructing + // backward references. +} VP8LEncoder; + +//------------------------------------------------------------------------------ +// internal functions. Not public. + +// Encodes the picture. +// Returns 0 if config or picture is NULL or picture doesn't have valid argb +// input. +int VP8LEncodeImage(const WebPConfig* const config, + const WebPPicture* const picture); + +// Encodes the main image stream using the supplied bit writer. +// If 'use_cache' is false, disables the use of color cache. +// Returns false in case of error (stored in picture->error_code). +int VP8LEncodeStream(const WebPConfig* const config, + const WebPPicture* const picture, VP8LBitWriter* const bw, + int use_cache); + +#if (WEBP_NEAR_LOSSLESS == 1) +// in near_lossless.c +// Near lossless preprocessing in RGB color-space. +int VP8ApplyNearLossless(const WebPPicture* const picture, int quality, + uint32_t* const argb_dst); +#endif + +//------------------------------------------------------------------------------ +// Image transforms in predictor.c. + +// pic and percent are for progress. +// Returns false in case of error (stored in pic->error_code). +int VP8LResidualImage(int width, int height, int bits, int low_effort, + uint32_t* const argb, uint32_t* const argb_scratch, + uint32_t* const image, int near_lossless, int exact, + int used_subtract_green, const WebPPicture* const pic, + int percent_range, int* const percent); + +int VP8LColorSpaceTransform(int width, int height, int bits, int quality, + uint32_t* const argb, uint32_t* image, + const WebPPicture* const pic, int percent_range, + int* const percent); + +//------------------------------------------------------------------------------ + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_ENC_VP8LI_ENC_H_ diff --git a/ProductApp/Pods/libwebp/src/enc/webp_enc.c b/ProductApp/Pods/libwebp/src/enc/webp_enc.c new file mode 100644 index 0000000..583fe6a --- /dev/null +++ b/ProductApp/Pods/libwebp/src/enc/webp_enc.c @@ -0,0 +1,410 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// WebP encoder: main entry point +// +// Author: Skal (pascal.massimino@gmail.com) + +#include +#include +#include +#include + +#include "src/enc/cost_enc.h" +#include "src/enc/vp8i_enc.h" +#include "src/enc/vp8li_enc.h" +#include "src/utils/utils.h" + +// #define PRINT_MEMORY_INFO + +#ifdef PRINT_MEMORY_INFO +#include +#endif + +//------------------------------------------------------------------------------ + +int WebPGetEncoderVersion(void) { + return (ENC_MAJ_VERSION << 16) | (ENC_MIN_VERSION << 8) | ENC_REV_VERSION; +} + +//------------------------------------------------------------------------------ +// VP8Encoder +//------------------------------------------------------------------------------ + +static void ResetSegmentHeader(VP8Encoder* const enc) { + VP8EncSegmentHeader* const hdr = &enc->segment_hdr_; + hdr->num_segments_ = enc->config_->segments; + hdr->update_map_ = (hdr->num_segments_ > 1); + hdr->size_ = 0; +} + +static void ResetFilterHeader(VP8Encoder* const enc) { + VP8EncFilterHeader* const hdr = &enc->filter_hdr_; + hdr->simple_ = 1; + hdr->level_ = 0; + hdr->sharpness_ = 0; + hdr->i4x4_lf_delta_ = 0; +} + +static void ResetBoundaryPredictions(VP8Encoder* const enc) { + // init boundary values once for all + // Note: actually, initializing the preds_[] is only needed for intra4. + int i; + uint8_t* const top = enc->preds_ - enc->preds_w_; + uint8_t* const left = enc->preds_ - 1; + for (i = -1; i < 4 * enc->mb_w_; ++i) { + top[i] = B_DC_PRED; + } + for (i = 0; i < 4 * enc->mb_h_; ++i) { + left[i * enc->preds_w_] = B_DC_PRED; + } + enc->nz_[-1] = 0; // constant +} + +// Mapping from config->method_ to coding tools used. +//-------------------+---+---+---+---+---+---+---+ +// Method | 0 | 1 | 2 | 3 |(4)| 5 | 6 | +//-------------------+---+---+---+---+---+---+---+ +// fast probe | x | | | x | | | | +//-------------------+---+---+---+---+---+---+---+ +// dynamic proba | ~ | x | x | x | x | x | x | +//-------------------+---+---+---+---+---+---+---+ +// fast mode analysis|[x]|[x]| | | x | x | x | +//-------------------+---+---+---+---+---+---+---+ +// basic rd-opt | | | | x | x | x | x | +//-------------------+---+---+---+---+---+---+---+ +// disto-refine i4/16| x | x | x | | | | | +//-------------------+---+---+---+---+---+---+---+ +// disto-refine uv | | x | x | | | | | +//-------------------+---+---+---+---+---+---+---+ +// rd-opt i4/16 | | | ~ | x | x | x | x | +//-------------------+---+---+---+---+---+---+---+ +// token buffer (opt)| | | | x | x | x | x | +//-------------------+---+---+---+---+---+---+---+ +// Trellis | | | | | | x |Ful| +//-------------------+---+---+---+---+---+---+---+ +// full-SNS | | | | | x | x | x | +//-------------------+---+---+---+---+---+---+---+ + +static void MapConfigToTools(VP8Encoder* const enc) { + const WebPConfig* const config = enc->config_; + const int method = config->method; + const int limit = 100 - config->partition_limit; + enc->method_ = method; + enc->rd_opt_level_ = (method >= 6) ? RD_OPT_TRELLIS_ALL + : (method >= 5) ? RD_OPT_TRELLIS + : (method >= 3) ? RD_OPT_BASIC + : RD_OPT_NONE; + enc->max_i4_header_bits_ = + 256 * 16 * 16 * // upper bound: up to 16bit per 4x4 block + (limit * limit) / (100 * 100); // ... modulated with a quadratic curve. + + // partition0 = 512k max. + enc->mb_header_limit_ = + (score_t)256 * 510 * 8 * 1024 / (enc->mb_w_ * enc->mb_h_); + + enc->thread_level_ = config->thread_level; + + enc->do_search_ = (config->target_size > 0 || config->target_PSNR > 0); + if (!config->low_memory) { +#if !defined(DISABLE_TOKEN_BUFFER) + enc->use_tokens_ = (enc->rd_opt_level_ >= RD_OPT_BASIC); // need rd stats +#endif + if (enc->use_tokens_) { + enc->num_parts_ = 1; // doesn't work with multi-partition + } + } +} + +// Memory scaling with dimensions: +// memory (bytes) ~= 2.25 * w + 0.0625 * w * h +// +// Typical memory footprint (614x440 picture) +// encoder: 22111 +// info: 4368 +// preds: 17741 +// top samples: 1263 +// non-zero: 175 +// lf-stats: 0 +// total: 45658 +// Transient object sizes: +// VP8EncIterator: 3360 +// VP8ModeScore: 872 +// VP8SegmentInfo: 732 +// VP8EncProba: 18352 +// LFStats: 2048 +// Picture size (yuv): 419328 + +static VP8Encoder* InitVP8Encoder(const WebPConfig* const config, + WebPPicture* const picture) { + VP8Encoder* enc; + const int use_filter = + (config->filter_strength > 0) || (config->autofilter > 0); + const int mb_w = (picture->width + 15) >> 4; + const int mb_h = (picture->height + 15) >> 4; + const int preds_w = 4 * mb_w + 1; + const int preds_h = 4 * mb_h + 1; + const size_t preds_size = preds_w * preds_h * sizeof(*enc->preds_); + const int top_stride = mb_w * 16; + const size_t nz_size = (mb_w + 1) * sizeof(*enc->nz_) + WEBP_ALIGN_CST; + const size_t info_size = mb_w * mb_h * sizeof(*enc->mb_info_); + const size_t samples_size = + 2 * top_stride * sizeof(*enc->y_top_) // top-luma/u/v + + WEBP_ALIGN_CST; // align all + const size_t lf_stats_size = + config->autofilter ? sizeof(*enc->lf_stats_) + WEBP_ALIGN_CST : 0; + const size_t top_derr_size = + (config->quality <= ERROR_DIFFUSION_QUALITY || config->pass > 1) ? + mb_w * sizeof(*enc->top_derr_) : 0; + uint8_t* mem; + const uint64_t size = (uint64_t)sizeof(*enc) // main struct + + WEBP_ALIGN_CST // cache alignment + + info_size // modes info + + preds_size // prediction modes + + samples_size // top/left samples + + top_derr_size // top diffusion error + + nz_size // coeff context bits + + lf_stats_size; // autofilter stats + +#ifdef PRINT_MEMORY_INFO + printf("===================================\n"); + printf("Memory used:\n" + " encoder: %ld\n" + " info: %ld\n" + " preds: %ld\n" + " top samples: %ld\n" + " top diffusion: %ld\n" + " non-zero: %ld\n" + " lf-stats: %ld\n" + " total: %ld\n", + sizeof(*enc) + WEBP_ALIGN_CST, info_size, + preds_size, samples_size, top_derr_size, nz_size, lf_stats_size, size); + printf("Transient object sizes:\n" + " VP8EncIterator: %ld\n" + " VP8ModeScore: %ld\n" + " VP8SegmentInfo: %ld\n" + " VP8EncProba: %ld\n" + " LFStats: %ld\n", + sizeof(VP8EncIterator), sizeof(VP8ModeScore), + sizeof(VP8SegmentInfo), sizeof(VP8EncProba), + sizeof(LFStats)); + printf("Picture size (yuv): %ld\n", + mb_w * mb_h * 384 * sizeof(uint8_t)); + printf("===================================\n"); +#endif + mem = (uint8_t*)WebPSafeMalloc(size, sizeof(*mem)); + if (mem == NULL) { + WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY); + return NULL; + } + enc = (VP8Encoder*)mem; + mem = (uint8_t*)WEBP_ALIGN(mem + sizeof(*enc)); + memset(enc, 0, sizeof(*enc)); + enc->num_parts_ = 1 << config->partitions; + enc->mb_w_ = mb_w; + enc->mb_h_ = mb_h; + enc->preds_w_ = preds_w; + enc->mb_info_ = (VP8MBInfo*)mem; + mem += info_size; + enc->preds_ = mem + 1 + enc->preds_w_; + mem += preds_size; + enc->nz_ = 1 + (uint32_t*)WEBP_ALIGN(mem); + mem += nz_size; + enc->lf_stats_ = lf_stats_size ? (LFStats*)WEBP_ALIGN(mem) : NULL; + mem += lf_stats_size; + + // top samples (all 16-aligned) + mem = (uint8_t*)WEBP_ALIGN(mem); + enc->y_top_ = mem; + enc->uv_top_ = enc->y_top_ + top_stride; + mem += 2 * top_stride; + enc->top_derr_ = top_derr_size ? (DError*)mem : NULL; + mem += top_derr_size; + assert(mem <= (uint8_t*)enc + size); + + enc->config_ = config; + enc->profile_ = use_filter ? ((config->filter_type == 1) ? 0 : 1) : 2; + enc->pic_ = picture; + enc->percent_ = 0; + + MapConfigToTools(enc); + VP8EncDspInit(); + VP8DefaultProbas(enc); + ResetSegmentHeader(enc); + ResetFilterHeader(enc); + ResetBoundaryPredictions(enc); + VP8EncDspCostInit(); + VP8EncInitAlpha(enc); + + // lower quality means smaller output -> we modulate a little the page + // size based on quality. This is just a crude 1rst-order prediction. + { + const float scale = 1.f + config->quality * 5.f / 100.f; // in [1,6] + VP8TBufferInit(&enc->tokens_, (int)(mb_w * mb_h * 4 * scale)); + } + return enc; +} + +static int DeleteVP8Encoder(VP8Encoder* enc) { + int ok = 1; + if (enc != NULL) { + ok = VP8EncDeleteAlpha(enc); + VP8TBufferClear(&enc->tokens_); + WebPSafeFree(enc); + } + return ok; +} + +//------------------------------------------------------------------------------ + +#if !defined(WEBP_DISABLE_STATS) +static double GetPSNR(uint64_t err, uint64_t size) { + return (err > 0 && size > 0) ? 10. * log10(255. * 255. * size / err) : 99.; +} + +static void FinalizePSNR(const VP8Encoder* const enc) { + WebPAuxStats* stats = enc->pic_->stats; + const uint64_t size = enc->sse_count_; + const uint64_t* const sse = enc->sse_; + stats->PSNR[0] = (float)GetPSNR(sse[0], size); + stats->PSNR[1] = (float)GetPSNR(sse[1], size / 4); + stats->PSNR[2] = (float)GetPSNR(sse[2], size / 4); + stats->PSNR[3] = (float)GetPSNR(sse[0] + sse[1] + sse[2], size * 3 / 2); + stats->PSNR[4] = (float)GetPSNR(sse[3], size); +} +#endif // !defined(WEBP_DISABLE_STATS) + +static void StoreStats(VP8Encoder* const enc) { +#if !defined(WEBP_DISABLE_STATS) + WebPAuxStats* const stats = enc->pic_->stats; + if (stats != NULL) { + int i, s; + for (i = 0; i < NUM_MB_SEGMENTS; ++i) { + stats->segment_level[i] = enc->dqm_[i].fstrength_; + stats->segment_quant[i] = enc->dqm_[i].quant_; + for (s = 0; s <= 2; ++s) { + stats->residual_bytes[s][i] = enc->residual_bytes_[s][i]; + } + } + FinalizePSNR(enc); + stats->coded_size = enc->coded_size_; + for (i = 0; i < 3; ++i) { + stats->block_count[i] = enc->block_count_[i]; + } + } +#else // defined(WEBP_DISABLE_STATS) + WebPReportProgress(enc->pic_, 100, &enc->percent_); // done! +#endif // !defined(WEBP_DISABLE_STATS) +} + +int WebPEncodingSetError(const WebPPicture* const pic, + WebPEncodingError error) { + assert((int)error < VP8_ENC_ERROR_LAST); + assert((int)error >= VP8_ENC_OK); + // The oldest error reported takes precedence over the new one. + if (pic->error_code == VP8_ENC_OK) { + ((WebPPicture*)pic)->error_code = error; + } + return 0; +} + +int WebPReportProgress(const WebPPicture* const pic, + int percent, int* const percent_store) { + if (percent_store != NULL && percent != *percent_store) { + *percent_store = percent; + if (pic->progress_hook && !pic->progress_hook(percent, pic)) { + // user abort requested + return WebPEncodingSetError(pic, VP8_ENC_ERROR_USER_ABORT); + } + } + return 1; // ok +} +//------------------------------------------------------------------------------ + +int WebPEncode(const WebPConfig* config, WebPPicture* pic) { + int ok = 0; + if (pic == NULL) return 0; + + pic->error_code = VP8_ENC_OK; // all ok so far + if (config == NULL) { // bad params + return WebPEncodingSetError(pic, VP8_ENC_ERROR_NULL_PARAMETER); + } + if (!WebPValidateConfig(config)) { + return WebPEncodingSetError(pic, VP8_ENC_ERROR_INVALID_CONFIGURATION); + } + if (!WebPValidatePicture(pic)) return 0; + if (pic->width > WEBP_MAX_DIMENSION || pic->height > WEBP_MAX_DIMENSION) { + return WebPEncodingSetError(pic, VP8_ENC_ERROR_BAD_DIMENSION); + } + + if (pic->stats != NULL) memset(pic->stats, 0, sizeof(*pic->stats)); + + if (!config->lossless) { + VP8Encoder* enc = NULL; + + if (pic->use_argb || pic->y == NULL || pic->u == NULL || pic->v == NULL) { + // Make sure we have YUVA samples. + if (config->use_sharp_yuv || (config->preprocessing & 4)) { + if (!WebPPictureSharpARGBToYUVA(pic)) { + return 0; + } + } else { + float dithering = 0.f; + if (config->preprocessing & 2) { + const float x = config->quality / 100.f; + const float x2 = x * x; + // slowly decreasing from max dithering at low quality (q->0) + // to 0.5 dithering amplitude at high quality (q->100) + dithering = 1.0f + (0.5f - 1.0f) * x2 * x2; + } + if (!WebPPictureARGBToYUVADithered(pic, WEBP_YUV420, dithering)) { + return 0; + } + } + } + + if (!config->exact) { + WebPCleanupTransparentArea(pic); + } + + enc = InitVP8Encoder(config, pic); + if (enc == NULL) return 0; // pic->error is already set. + // Note: each of the tasks below account for 20% in the progress report. + ok = VP8EncAnalyze(enc); + + // Analysis is done, proceed to actual coding. + ok = ok && VP8EncStartAlpha(enc); // possibly done in parallel + if (!enc->use_tokens_) { + ok = ok && VP8EncLoop(enc); + } else { + ok = ok && VP8EncTokenLoop(enc); + } + ok = ok && VP8EncFinishAlpha(enc); + + ok = ok && VP8EncWrite(enc); + StoreStats(enc); + if (!ok) { + VP8EncFreeBitWriters(enc); + } + ok &= DeleteVP8Encoder(enc); // must always be called, even if !ok + } else { + // Make sure we have ARGB samples. + if (pic->argb == NULL && !WebPPictureYUVAToARGB(pic)) { + return 0; + } + + if (!config->exact) { + WebPReplaceTransparentPixels(pic, 0x000000); + } + + ok = VP8LEncodeImage(config, pic); // Sets pic->error in case of problem. + } + + return ok; +} diff --git a/ProductApp/Pods/libwebp/src/libwebp.pc.in b/ProductApp/Pods/libwebp/src/libwebp.pc.in new file mode 100644 index 0000000..783090e --- /dev/null +++ b/ProductApp/Pods/libwebp/src/libwebp.pc.in @@ -0,0 +1,12 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ + +Name: libwebp +Description: Library for the WebP graphics format +Version: @PACKAGE_VERSION@ +Requires.private: libsharpyuv +Cflags: -I${includedir} +Libs: -L${libdir} -l@webp_libname_prefix@webp +Libs.private: -lm @PTHREAD_CFLAGS@ @PTHREAD_LIBS@ diff --git a/ProductApp/Pods/libwebp/src/libwebp.rc b/ProductApp/Pods/libwebp/src/libwebp.rc new file mode 100644 index 0000000..4e8e402 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/libwebp.rc @@ -0,0 +1,41 @@ +#define APSTUDIO_READONLY_SYMBOLS +#include "winres.h" +#undef APSTUDIO_READONLY_SYMBOLS + +#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) +LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US + +VS_VERSION_INFO VERSIONINFO + FILEVERSION 1,0,3,2 + PRODUCTVERSION 1,0,3,2 + FILEFLAGSMASK 0x3fL +#ifdef _DEBUG + FILEFLAGS 0x1L +#else + FILEFLAGS 0x0L +#endif + FILEOS 0x40004L + FILETYPE 0x2L + FILESUBTYPE 0x0L +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904b0" + BEGIN + VALUE "CompanyName", "Google, Inc." + VALUE "FileDescription", "libwebp DLL" + VALUE "FileVersion", "1.3.2" + VALUE "InternalName", "libwebp.dll" + VALUE "LegalCopyright", "Copyright (C) 2023" + VALUE "OriginalFilename", "libwebp.dll" + VALUE "ProductName", "WebP Image Codec" + VALUE "ProductVersion", "1.3.2" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1200 + END +END + +#endif // English (United States) resources diff --git a/ProductApp/Pods/libwebp/src/libwebpdecoder.pc.in b/ProductApp/Pods/libwebp/src/libwebpdecoder.pc.in new file mode 100644 index 0000000..134de0e --- /dev/null +++ b/ProductApp/Pods/libwebp/src/libwebpdecoder.pc.in @@ -0,0 +1,11 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ + +Name: libwebpdecoder +Description: Library for the WebP graphics format (decode only) +Version: @PACKAGE_VERSION@ +Cflags: -I${includedir} +Libs: -L${libdir} -l@webp_libname_prefix@webpdecoder +Libs.private: -lm @PTHREAD_CFLAGS@ @PTHREAD_LIBS@ diff --git a/ProductApp/Pods/libwebp/src/libwebpdecoder.rc b/ProductApp/Pods/libwebp/src/libwebpdecoder.rc new file mode 100644 index 0000000..c3f3e4a --- /dev/null +++ b/ProductApp/Pods/libwebp/src/libwebpdecoder.rc @@ -0,0 +1,41 @@ +#define APSTUDIO_READONLY_SYMBOLS +#include "winres.h" +#undef APSTUDIO_READONLY_SYMBOLS + +#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) +LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US + +VS_VERSION_INFO VERSIONINFO + FILEVERSION 1,0,3,2 + PRODUCTVERSION 1,0,3,2 + FILEFLAGSMASK 0x3fL +#ifdef _DEBUG + FILEFLAGS 0x1L +#else + FILEFLAGS 0x0L +#endif + FILEOS 0x40004L + FILETYPE 0x2L + FILESUBTYPE 0x0L +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904b0" + BEGIN + VALUE "CompanyName", "Google, Inc." + VALUE "FileDescription", "libwebpdecoder DLL" + VALUE "FileVersion", "1.3.2" + VALUE "InternalName", "libwebpdecoder.dll" + VALUE "LegalCopyright", "Copyright (C) 2023" + VALUE "OriginalFilename", "libwebpdecoder.dll" + VALUE "ProductName", "WebP Image Decoder" + VALUE "ProductVersion", "1.3.2" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1200 + END +END + +#endif // English (United States) resources diff --git a/ProductApp/Pods/libwebp/src/mux/Makefile.am b/ProductApp/Pods/libwebp/src/mux/Makefile.am new file mode 100644 index 0000000..9abd859 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/mux/Makefile.am @@ -0,0 +1,22 @@ +AM_CPPFLAGS += -I$(top_builddir) -I$(top_srcdir) +lib_LTLIBRARIES = libwebpmux.la + +libwebpmux_la_SOURCES = +libwebpmux_la_SOURCES += anim_encode.c +libwebpmux_la_SOURCES += animi.h +libwebpmux_la_SOURCES += muxedit.c +libwebpmux_la_SOURCES += muxi.h +libwebpmux_la_SOURCES += muxinternal.c +libwebpmux_la_SOURCES += muxread.c + +libwebpmuxinclude_HEADERS = +libwebpmuxinclude_HEADERS += ../webp/mux.h +libwebpmuxinclude_HEADERS += ../webp/mux_types.h +libwebpmuxinclude_HEADERS += ../webp/types.h +noinst_HEADERS = +noinst_HEADERS += ../webp/format_constants.h + +libwebpmux_la_LIBADD = ../libwebp.la +libwebpmux_la_LDFLAGS = -no-undefined -version-info 3:13:0 -lm +libwebpmuxincludedir = $(includedir)/webp +pkgconfig_DATA = libwebpmux.pc diff --git a/ProductApp/Pods/libwebp/src/mux/anim_encode.c b/ProductApp/Pods/libwebp/src/mux/anim_encode.c new file mode 100644 index 0000000..7078d9a --- /dev/null +++ b/ProductApp/Pods/libwebp/src/mux/anim_encode.c @@ -0,0 +1,1585 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// AnimEncoder implementation. +// + +#include +#include +#include // for pow() +#include +#include // for abs() + +#include "src/mux/animi.h" +#include "src/utils/utils.h" +#include "src/webp/decode.h" +#include "src/webp/encode.h" +#include "src/webp/format_constants.h" +#include "src/webp/mux.h" + +#if defined(_MSC_VER) && _MSC_VER < 1900 +#define snprintf _snprintf +#endif + +#define ERROR_STR_MAX_LENGTH 100 + +//------------------------------------------------------------------------------ +// Internal structs. + +// Stores frame rectangle dimensions. +typedef struct { + int x_offset_, y_offset_, width_, height_; +} FrameRectangle; + +// Used to store two candidates of encoded data for an animation frame. One of +// the two will be chosen later. +typedef struct { + WebPMuxFrameInfo sub_frame_; // Encoded frame rectangle. + WebPMuxFrameInfo key_frame_; // Encoded frame if it is a key-frame. + int is_key_frame_; // True if 'key_frame' has been chosen. +} EncodedFrame; + +struct WebPAnimEncoder { + const int canvas_width_; // Canvas width. + const int canvas_height_; // Canvas height. + const WebPAnimEncoderOptions options_; // Global encoding options. + + FrameRectangle prev_rect_; // Previous WebP frame rectangle. + WebPConfig last_config_; // Cached in case a re-encode is needed. + WebPConfig last_config_reversed_; // If 'last_config_' uses lossless, then + // this config uses lossy and vice versa; + // only valid if 'options_.allow_mixed' + // is true. + + WebPPicture* curr_canvas_; // Only pointer; we don't own memory. + + // Canvas buffers. + WebPPicture curr_canvas_copy_; // Possibly modified current canvas. + int curr_canvas_copy_modified_; // True if pixels in 'curr_canvas_copy_' + // differ from those in 'curr_canvas_'. + + WebPPicture prev_canvas_; // Previous canvas. + WebPPicture prev_canvas_disposed_; // Previous canvas disposed to background. + + // Encoded data. + EncodedFrame* encoded_frames_; // Array of encoded frames. + size_t size_; // Number of allocated frames. + size_t start_; // Frame start index. + size_t count_; // Number of valid frames. + size_t flush_count_; // If >0, 'flush_count' frames starting from + // 'start' are ready to be added to mux. + + // key-frame related. + int64_t best_delta_; // min(canvas size - frame size) over the frames. + // Can be negative in certain cases due to + // transparent pixels in a frame. + int keyframe_; // Index of selected key-frame relative to 'start_'. + int count_since_key_frame_; // Frames seen since the last key-frame. + + int first_timestamp_; // Timestamp of the first frame. + int prev_timestamp_; // Timestamp of the last added frame. + int prev_candidate_undecided_; // True if it's not yet decided if previous + // frame would be a sub-frame or a key-frame. + + // Misc. + int is_first_frame_; // True if first frame is yet to be added/being added. + int got_null_frame_; // True if WebPAnimEncoderAdd() has already been called + // with a NULL frame. + + size_t in_frame_count_; // Number of input frames processed so far. + size_t out_frame_count_; // Number of frames added to mux so far. This may be + // different from 'in_frame_count_' due to merging. + + WebPMux* mux_; // Muxer to assemble the WebP bitstream. + char error_str_[ERROR_STR_MAX_LENGTH]; // Error string. Empty if no error. +}; + +// ----------------------------------------------------------------------------- +// Life of WebPAnimEncoder object. + +#define DELTA_INFINITY (1ULL << 32) +#define KEYFRAME_NONE (-1) + +// Reset the counters in the WebPAnimEncoder. +static void ResetCounters(WebPAnimEncoder* const enc) { + enc->start_ = 0; + enc->count_ = 0; + enc->flush_count_ = 0; + enc->best_delta_ = DELTA_INFINITY; + enc->keyframe_ = KEYFRAME_NONE; +} + +static void DisableKeyframes(WebPAnimEncoderOptions* const enc_options) { + enc_options->kmax = INT_MAX; + enc_options->kmin = enc_options->kmax - 1; +} + +#define MAX_CACHED_FRAMES 30 + +static void SanitizeEncoderOptions(WebPAnimEncoderOptions* const enc_options) { + int print_warning = enc_options->verbose; + + if (enc_options->minimize_size) { + DisableKeyframes(enc_options); + } + + if (enc_options->kmax == 1) { // All frames will be key-frames. + enc_options->kmin = 0; + enc_options->kmax = 0; + return; + } else if (enc_options->kmax <= 0) { + DisableKeyframes(enc_options); + print_warning = 0; + } + + if (enc_options->kmin >= enc_options->kmax) { + enc_options->kmin = enc_options->kmax - 1; + if (print_warning) { + fprintf(stderr, "WARNING: Setting kmin = %d, so that kmin < kmax.\n", + enc_options->kmin); + } + } else { + const int kmin_limit = enc_options->kmax / 2 + 1; + if (enc_options->kmin < kmin_limit && kmin_limit < enc_options->kmax) { + // This ensures that enc.keyframe + kmin >= kmax is always true. So, we + // can flush all the frames in the 'count_since_key_frame == kmax' case. + enc_options->kmin = kmin_limit; + if (print_warning) { + fprintf(stderr, + "WARNING: Setting kmin = %d, so that kmin >= kmax / 2 + 1.\n", + enc_options->kmin); + } + } + } + // Limit the max number of frames that are allocated. + if (enc_options->kmax - enc_options->kmin > MAX_CACHED_FRAMES) { + enc_options->kmin = enc_options->kmax - MAX_CACHED_FRAMES; + if (print_warning) { + fprintf(stderr, + "WARNING: Setting kmin = %d, so that kmax - kmin <= %d.\n", + enc_options->kmin, MAX_CACHED_FRAMES); + } + } + assert(enc_options->kmin < enc_options->kmax); +} + +#undef MAX_CACHED_FRAMES + +static void DefaultEncoderOptions(WebPAnimEncoderOptions* const enc_options) { + enc_options->anim_params.loop_count = 0; + enc_options->anim_params.bgcolor = 0xffffffff; // White. + enc_options->minimize_size = 0; + DisableKeyframes(enc_options); + enc_options->allow_mixed = 0; + enc_options->verbose = 0; +} + +int WebPAnimEncoderOptionsInitInternal(WebPAnimEncoderOptions* enc_options, + int abi_version) { + if (enc_options == NULL || + WEBP_ABI_IS_INCOMPATIBLE(abi_version, WEBP_MUX_ABI_VERSION)) { + return 0; + } + DefaultEncoderOptions(enc_options); + return 1; +} + +// This starting value is more fit to WebPCleanupTransparentAreaLossless(). +#define TRANSPARENT_COLOR 0x00000000 + +static void ClearRectangle(WebPPicture* const picture, + int left, int top, int width, int height) { + int j; + for (j = top; j < top + height; ++j) { + uint32_t* const dst = picture->argb + j * picture->argb_stride; + int i; + for (i = left; i < left + width; ++i) { + dst[i] = TRANSPARENT_COLOR; + } + } +} + +static void WebPUtilClearPic(WebPPicture* const picture, + const FrameRectangle* const rect) { + if (rect != NULL) { + ClearRectangle(picture, rect->x_offset_, rect->y_offset_, + rect->width_, rect->height_); + } else { + ClearRectangle(picture, 0, 0, picture->width, picture->height); + } +} + +static void MarkNoError(WebPAnimEncoder* const enc) { + enc->error_str_[0] = '\0'; // Empty string. +} + +static void MarkError(WebPAnimEncoder* const enc, const char* str) { + if (snprintf(enc->error_str_, ERROR_STR_MAX_LENGTH, "%s.", str) < 0) { + assert(0); // FIX ME! + } +} + +static void MarkError2(WebPAnimEncoder* const enc, + const char* str, int error_code) { + if (snprintf(enc->error_str_, ERROR_STR_MAX_LENGTH, "%s: %d.", str, + error_code) < 0) { + assert(0); // FIX ME! + } +} + +WebPAnimEncoder* WebPAnimEncoderNewInternal( + int width, int height, const WebPAnimEncoderOptions* enc_options, + int abi_version) { + WebPAnimEncoder* enc; + + if (WEBP_ABI_IS_INCOMPATIBLE(abi_version, WEBP_MUX_ABI_VERSION)) { + return NULL; + } + if (width <= 0 || height <= 0 || + (width * (uint64_t)height) >= MAX_IMAGE_AREA) { + return NULL; + } + + enc = (WebPAnimEncoder*)WebPSafeCalloc(1, sizeof(*enc)); + if (enc == NULL) return NULL; + MarkNoError(enc); + + // Dimensions and options. + *(int*)&enc->canvas_width_ = width; + *(int*)&enc->canvas_height_ = height; + if (enc_options != NULL) { + *(WebPAnimEncoderOptions*)&enc->options_ = *enc_options; + SanitizeEncoderOptions((WebPAnimEncoderOptions*)&enc->options_); + } else { + DefaultEncoderOptions((WebPAnimEncoderOptions*)&enc->options_); + } + + // Canvas buffers. + if (!WebPPictureInit(&enc->curr_canvas_copy_) || + !WebPPictureInit(&enc->prev_canvas_) || + !WebPPictureInit(&enc->prev_canvas_disposed_)) { + goto Err; + } + enc->curr_canvas_copy_.width = width; + enc->curr_canvas_copy_.height = height; + enc->curr_canvas_copy_.use_argb = 1; + if (!WebPPictureAlloc(&enc->curr_canvas_copy_) || + !WebPPictureCopy(&enc->curr_canvas_copy_, &enc->prev_canvas_) || + !WebPPictureCopy(&enc->curr_canvas_copy_, &enc->prev_canvas_disposed_)) { + goto Err; + } + WebPUtilClearPic(&enc->prev_canvas_, NULL); + enc->curr_canvas_copy_modified_ = 1; + + // Encoded frames. + ResetCounters(enc); + // Note: one extra storage is for the previous frame. + enc->size_ = enc->options_.kmax - enc->options_.kmin + 1; + // We need space for at least 2 frames. But when kmin, kmax are both zero, + // enc->size_ will be 1. So we handle that special case below. + if (enc->size_ < 2) enc->size_ = 2; + enc->encoded_frames_ = + (EncodedFrame*)WebPSafeCalloc(enc->size_, sizeof(*enc->encoded_frames_)); + if (enc->encoded_frames_ == NULL) goto Err; + + enc->mux_ = WebPMuxNew(); + if (enc->mux_ == NULL) goto Err; + + enc->count_since_key_frame_ = 0; + enc->first_timestamp_ = 0; + enc->prev_timestamp_ = 0; + enc->prev_candidate_undecided_ = 0; + enc->is_first_frame_ = 1; + enc->got_null_frame_ = 0; + + return enc; // All OK. + + Err: + WebPAnimEncoderDelete(enc); + return NULL; +} + +// Release the data contained by 'encoded_frame'. +static void FrameRelease(EncodedFrame* const encoded_frame) { + if (encoded_frame != NULL) { + WebPDataClear(&encoded_frame->sub_frame_.bitstream); + WebPDataClear(&encoded_frame->key_frame_.bitstream); + memset(encoded_frame, 0, sizeof(*encoded_frame)); + } +} + +void WebPAnimEncoderDelete(WebPAnimEncoder* enc) { + if (enc != NULL) { + WebPPictureFree(&enc->curr_canvas_copy_); + WebPPictureFree(&enc->prev_canvas_); + WebPPictureFree(&enc->prev_canvas_disposed_); + if (enc->encoded_frames_ != NULL) { + size_t i; + for (i = 0; i < enc->size_; ++i) { + FrameRelease(&enc->encoded_frames_[i]); + } + WebPSafeFree(enc->encoded_frames_); + } + WebPMuxDelete(enc->mux_); + WebPSafeFree(enc); + } +} + +// ----------------------------------------------------------------------------- +// Frame addition. + +// Returns cached frame at the given 'position'. +static EncodedFrame* GetFrame(const WebPAnimEncoder* const enc, + size_t position) { + assert(enc->start_ + position < enc->size_); + return &enc->encoded_frames_[enc->start_ + position]; +} + +typedef int (*ComparePixelsFunc)(const uint32_t*, int, const uint32_t*, int, + int, int); + +// Returns true if 'length' number of pixels in 'src' and 'dst' are equal, +// assuming the given step sizes between pixels. +// 'max_allowed_diff' is unused and only there to allow function pointer use. +static WEBP_INLINE int ComparePixelsLossless(const uint32_t* src, int src_step, + const uint32_t* dst, int dst_step, + int length, int max_allowed_diff) { + (void)max_allowed_diff; + assert(length > 0); + while (length-- > 0) { + if (*src != *dst) { + return 0; + } + src += src_step; + dst += dst_step; + } + return 1; +} + +// Helper to check if each channel in 'src' and 'dst' is at most off by +// 'max_allowed_diff'. +static WEBP_INLINE int PixelsAreSimilar(uint32_t src, uint32_t dst, + int max_allowed_diff) { + const int src_a = (src >> 24) & 0xff; + const int src_r = (src >> 16) & 0xff; + const int src_g = (src >> 8) & 0xff; + const int src_b = (src >> 0) & 0xff; + const int dst_a = (dst >> 24) & 0xff; + const int dst_r = (dst >> 16) & 0xff; + const int dst_g = (dst >> 8) & 0xff; + const int dst_b = (dst >> 0) & 0xff; + + return (src_a == dst_a) && + (abs(src_r - dst_r) * dst_a <= (max_allowed_diff * 255)) && + (abs(src_g - dst_g) * dst_a <= (max_allowed_diff * 255)) && + (abs(src_b - dst_b) * dst_a <= (max_allowed_diff * 255)); +} + +// Returns true if 'length' number of pixels in 'src' and 'dst' are within an +// error bound, assuming the given step sizes between pixels. +static WEBP_INLINE int ComparePixelsLossy(const uint32_t* src, int src_step, + const uint32_t* dst, int dst_step, + int length, int max_allowed_diff) { + assert(length > 0); + while (length-- > 0) { + if (!PixelsAreSimilar(*src, *dst, max_allowed_diff)) { + return 0; + } + src += src_step; + dst += dst_step; + } + return 1; +} + +static int IsEmptyRect(const FrameRectangle* const rect) { + return (rect->width_ == 0) || (rect->height_ == 0); +} + +static int QualityToMaxDiff(float quality) { + const double val = pow(quality / 100., 0.5); + const double max_diff = 31 * (1 - val) + 1 * val; + return (int)(max_diff + 0.5); +} + +// Assumes that an initial valid guess of change rectangle 'rect' is passed. +static void MinimizeChangeRectangle(const WebPPicture* const src, + const WebPPicture* const dst, + FrameRectangle* const rect, + int is_lossless, float quality) { + int i, j; + const ComparePixelsFunc compare_pixels = + is_lossless ? ComparePixelsLossless : ComparePixelsLossy; + const int max_allowed_diff_lossy = QualityToMaxDiff(quality); + const int max_allowed_diff = is_lossless ? 0 : max_allowed_diff_lossy; + + // Assumption/correctness checks. + assert(src->width == dst->width && src->height == dst->height); + assert(rect->x_offset_ + rect->width_ <= dst->width); + assert(rect->y_offset_ + rect->height_ <= dst->height); + + // Left boundary. + for (i = rect->x_offset_; i < rect->x_offset_ + rect->width_; ++i) { + const uint32_t* const src_argb = + &src->argb[rect->y_offset_ * src->argb_stride + i]; + const uint32_t* const dst_argb = + &dst->argb[rect->y_offset_ * dst->argb_stride + i]; + if (compare_pixels(src_argb, src->argb_stride, dst_argb, dst->argb_stride, + rect->height_, max_allowed_diff)) { + --rect->width_; // Redundant column. + ++rect->x_offset_; + } else { + break; + } + } + if (rect->width_ == 0) goto NoChange; + + // Right boundary. + for (i = rect->x_offset_ + rect->width_ - 1; i >= rect->x_offset_; --i) { + const uint32_t* const src_argb = + &src->argb[rect->y_offset_ * src->argb_stride + i]; + const uint32_t* const dst_argb = + &dst->argb[rect->y_offset_ * dst->argb_stride + i]; + if (compare_pixels(src_argb, src->argb_stride, dst_argb, dst->argb_stride, + rect->height_, max_allowed_diff)) { + --rect->width_; // Redundant column. + } else { + break; + } + } + if (rect->width_ == 0) goto NoChange; + + // Top boundary. + for (j = rect->y_offset_; j < rect->y_offset_ + rect->height_; ++j) { + const uint32_t* const src_argb = + &src->argb[j * src->argb_stride + rect->x_offset_]; + const uint32_t* const dst_argb = + &dst->argb[j * dst->argb_stride + rect->x_offset_]; + if (compare_pixels(src_argb, 1, dst_argb, 1, rect->width_, + max_allowed_diff)) { + --rect->height_; // Redundant row. + ++rect->y_offset_; + } else { + break; + } + } + if (rect->height_ == 0) goto NoChange; + + // Bottom boundary. + for (j = rect->y_offset_ + rect->height_ - 1; j >= rect->y_offset_; --j) { + const uint32_t* const src_argb = + &src->argb[j * src->argb_stride + rect->x_offset_]; + const uint32_t* const dst_argb = + &dst->argb[j * dst->argb_stride + rect->x_offset_]; + if (compare_pixels(src_argb, 1, dst_argb, 1, rect->width_, + max_allowed_diff)) { + --rect->height_; // Redundant row. + } else { + break; + } + } + if (rect->height_ == 0) goto NoChange; + + if (IsEmptyRect(rect)) { + NoChange: + rect->x_offset_ = 0; + rect->y_offset_ = 0; + rect->width_ = 0; + rect->height_ = 0; + } +} + +// Snap rectangle to even offsets (and adjust dimensions if needed). +static WEBP_INLINE void SnapToEvenOffsets(FrameRectangle* const rect) { + rect->width_ += (rect->x_offset_ & 1); + rect->height_ += (rect->y_offset_ & 1); + rect->x_offset_ &= ~1; + rect->y_offset_ &= ~1; +} + +typedef struct { + int should_try_; // Should try this set of parameters. + int empty_rect_allowed_; // Frame with empty rectangle can be skipped. + FrameRectangle rect_ll_; // Frame rectangle for lossless compression. + WebPPicture sub_frame_ll_; // Sub-frame pic for lossless compression. + FrameRectangle rect_lossy_; // Frame rectangle for lossy compression. + // Could be smaller than rect_ll_ as pixels + // with small diffs can be ignored. + WebPPicture sub_frame_lossy_; // Sub-frame pic for lossless compression. +} SubFrameParams; + +static int SubFrameParamsInit(SubFrameParams* const params, + int should_try, int empty_rect_allowed) { + params->should_try_ = should_try; + params->empty_rect_allowed_ = empty_rect_allowed; + if (!WebPPictureInit(¶ms->sub_frame_ll_) || + !WebPPictureInit(¶ms->sub_frame_lossy_)) { + return 0; + } + return 1; +} + +static void SubFrameParamsFree(SubFrameParams* const params) { + WebPPictureFree(¶ms->sub_frame_ll_); + WebPPictureFree(¶ms->sub_frame_lossy_); +} + +// Given previous and current canvas, picks the optimal rectangle for the +// current frame based on 'is_lossless' and other parameters. Assumes that the +// initial guess 'rect' is valid. +static int GetSubRect(const WebPPicture* const prev_canvas, + const WebPPicture* const curr_canvas, int is_key_frame, + int is_first_frame, int empty_rect_allowed, + int is_lossless, float quality, + FrameRectangle* const rect, + WebPPicture* const sub_frame) { + if (!is_key_frame || is_first_frame) { // Optimize frame rectangle. + // Note: This behaves as expected for first frame, as 'prev_canvas' is + // initialized to a fully transparent canvas in the beginning. + MinimizeChangeRectangle(prev_canvas, curr_canvas, rect, + is_lossless, quality); + } + + if (IsEmptyRect(rect)) { + if (empty_rect_allowed) { // No need to get 'sub_frame'. + return 1; + } else { // Force a 1x1 rectangle. + rect->width_ = 1; + rect->height_ = 1; + assert(rect->x_offset_ == 0); + assert(rect->y_offset_ == 0); + } + } + + SnapToEvenOffsets(rect); + return WebPPictureView(curr_canvas, rect->x_offset_, rect->y_offset_, + rect->width_, rect->height_, sub_frame); +} + +// Picks optimal frame rectangle for both lossless and lossy compression. The +// initial guess for frame rectangles will be the full canvas. +static int GetSubRects(const WebPPicture* const prev_canvas, + const WebPPicture* const curr_canvas, int is_key_frame, + int is_first_frame, float quality, + SubFrameParams* const params) { + // Lossless frame rectangle. + params->rect_ll_.x_offset_ = 0; + params->rect_ll_.y_offset_ = 0; + params->rect_ll_.width_ = curr_canvas->width; + params->rect_ll_.height_ = curr_canvas->height; + if (!GetSubRect(prev_canvas, curr_canvas, is_key_frame, is_first_frame, + params->empty_rect_allowed_, 1, quality, + ¶ms->rect_ll_, ¶ms->sub_frame_ll_)) { + return 0; + } + // Lossy frame rectangle. + params->rect_lossy_ = params->rect_ll_; // seed with lossless rect. + return GetSubRect(prev_canvas, curr_canvas, is_key_frame, is_first_frame, + params->empty_rect_allowed_, 0, quality, + ¶ms->rect_lossy_, ¶ms->sub_frame_lossy_); +} + +static WEBP_INLINE int clip(int v, int min_v, int max_v) { + return (v < min_v) ? min_v : (v > max_v) ? max_v : v; +} + +int WebPAnimEncoderRefineRect( + const WebPPicture* const prev_canvas, const WebPPicture* const curr_canvas, + int is_lossless, float quality, int* const x_offset, int* const y_offset, + int* const width, int* const height) { + FrameRectangle rect; + const int right = clip(*x_offset + *width, 0, curr_canvas->width); + const int left = clip(*x_offset, 0, curr_canvas->width - 1); + const int bottom = clip(*y_offset + *height, 0, curr_canvas->height); + const int top = clip(*y_offset, 0, curr_canvas->height - 1); + if (prev_canvas == NULL || curr_canvas == NULL || + prev_canvas->width != curr_canvas->width || + prev_canvas->height != curr_canvas->height || + !prev_canvas->use_argb || !curr_canvas->use_argb) { + return 0; + } + rect.x_offset_ = left; + rect.y_offset_ = top; + rect.width_ = clip(right - left, 0, curr_canvas->width - rect.x_offset_); + rect.height_ = clip(bottom - top, 0, curr_canvas->height - rect.y_offset_); + MinimizeChangeRectangle(prev_canvas, curr_canvas, &rect, is_lossless, + quality); + SnapToEvenOffsets(&rect); + *x_offset = rect.x_offset_; + *y_offset = rect.y_offset_; + *width = rect.width_; + *height = rect.height_; + return 1; +} + +static void DisposeFrameRectangle(int dispose_method, + const FrameRectangle* const rect, + WebPPicture* const curr_canvas) { + assert(rect != NULL); + if (dispose_method == WEBP_MUX_DISPOSE_BACKGROUND) { + WebPUtilClearPic(curr_canvas, rect); + } +} + +static uint32_t RectArea(const FrameRectangle* const rect) { + return (uint32_t)rect->width_ * rect->height_; +} + +static int IsLosslessBlendingPossible(const WebPPicture* const src, + const WebPPicture* const dst, + const FrameRectangle* const rect) { + int i, j; + assert(src->width == dst->width && src->height == dst->height); + assert(rect->x_offset_ + rect->width_ <= dst->width); + assert(rect->y_offset_ + rect->height_ <= dst->height); + for (j = rect->y_offset_; j < rect->y_offset_ + rect->height_; ++j) { + for (i = rect->x_offset_; i < rect->x_offset_ + rect->width_; ++i) { + const uint32_t src_pixel = src->argb[j * src->argb_stride + i]; + const uint32_t dst_pixel = dst->argb[j * dst->argb_stride + i]; + const uint32_t dst_alpha = dst_pixel >> 24; + if (dst_alpha != 0xff && src_pixel != dst_pixel) { + // In this case, if we use blending, we can't attain the desired + // 'dst_pixel' value for this pixel. So, blending is not possible. + return 0; + } + } + } + return 1; +} + +static int IsLossyBlendingPossible(const WebPPicture* const src, + const WebPPicture* const dst, + const FrameRectangle* const rect, + float quality) { + const int max_allowed_diff_lossy = QualityToMaxDiff(quality); + int i, j; + assert(src->width == dst->width && src->height == dst->height); + assert(rect->x_offset_ + rect->width_ <= dst->width); + assert(rect->y_offset_ + rect->height_ <= dst->height); + for (j = rect->y_offset_; j < rect->y_offset_ + rect->height_; ++j) { + for (i = rect->x_offset_; i < rect->x_offset_ + rect->width_; ++i) { + const uint32_t src_pixel = src->argb[j * src->argb_stride + i]; + const uint32_t dst_pixel = dst->argb[j * dst->argb_stride + i]; + const uint32_t dst_alpha = dst_pixel >> 24; + if (dst_alpha != 0xff && + !PixelsAreSimilar(src_pixel, dst_pixel, max_allowed_diff_lossy)) { + // In this case, if we use blending, we can't attain the desired + // 'dst_pixel' value for this pixel. So, blending is not possible. + return 0; + } + } + } + return 1; +} + +// For pixels in 'rect', replace those pixels in 'dst' that are same as 'src' by +// transparent pixels. +// Returns true if at least one pixel gets modified. +static int IncreaseTransparency(const WebPPicture* const src, + const FrameRectangle* const rect, + WebPPicture* const dst) { + int i, j; + int modified = 0; + assert(src != NULL && dst != NULL && rect != NULL); + assert(src->width == dst->width && src->height == dst->height); + for (j = rect->y_offset_; j < rect->y_offset_ + rect->height_; ++j) { + const uint32_t* const psrc = src->argb + j * src->argb_stride; + uint32_t* const pdst = dst->argb + j * dst->argb_stride; + for (i = rect->x_offset_; i < rect->x_offset_ + rect->width_; ++i) { + if (psrc[i] == pdst[i] && pdst[i] != TRANSPARENT_COLOR) { + pdst[i] = TRANSPARENT_COLOR; + modified = 1; + } + } + } + return modified; +} + +#undef TRANSPARENT_COLOR + +// Replace similar blocks of pixels by a 'see-through' transparent block +// with uniform average color. +// Assumes lossy compression is being used. +// Returns true if at least one pixel gets modified. +static int FlattenSimilarBlocks(const WebPPicture* const src, + const FrameRectangle* const rect, + WebPPicture* const dst, float quality) { + const int max_allowed_diff_lossy = QualityToMaxDiff(quality); + int i, j; + int modified = 0; + const int block_size = 8; + const int y_start = (rect->y_offset_ + block_size) & ~(block_size - 1); + const int y_end = (rect->y_offset_ + rect->height_) & ~(block_size - 1); + const int x_start = (rect->x_offset_ + block_size) & ~(block_size - 1); + const int x_end = (rect->x_offset_ + rect->width_) & ~(block_size - 1); + assert(src != NULL && dst != NULL && rect != NULL); + assert(src->width == dst->width && src->height == dst->height); + assert((block_size & (block_size - 1)) == 0); // must be a power of 2 + // Iterate over each block and count similar pixels. + for (j = y_start; j < y_end; j += block_size) { + for (i = x_start; i < x_end; i += block_size) { + int cnt = 0; + int avg_r = 0, avg_g = 0, avg_b = 0; + int x, y; + const uint32_t* const psrc = src->argb + j * src->argb_stride + i; + uint32_t* const pdst = dst->argb + j * dst->argb_stride + i; + for (y = 0; y < block_size; ++y) { + for (x = 0; x < block_size; ++x) { + const uint32_t src_pixel = psrc[x + y * src->argb_stride]; + const int alpha = src_pixel >> 24; + if (alpha == 0xff && + PixelsAreSimilar(src_pixel, pdst[x + y * dst->argb_stride], + max_allowed_diff_lossy)) { + ++cnt; + avg_r += (src_pixel >> 16) & 0xff; + avg_g += (src_pixel >> 8) & 0xff; + avg_b += (src_pixel >> 0) & 0xff; + } + } + } + // If we have a fully similar block, we replace it with an + // average transparent block. This compresses better in lossy mode. + if (cnt == block_size * block_size) { + const uint32_t color = (0x00 << 24) | + ((avg_r / cnt) << 16) | + ((avg_g / cnt) << 8) | + ((avg_b / cnt) << 0); + for (y = 0; y < block_size; ++y) { + for (x = 0; x < block_size; ++x) { + pdst[x + y * dst->argb_stride] = color; + } + } + modified = 1; + } + } + } + return modified; +} + +static int EncodeFrame(const WebPConfig* const config, WebPPicture* const pic, + WebPMemoryWriter* const memory) { + pic->use_argb = 1; + pic->writer = WebPMemoryWrite; + pic->custom_ptr = memory; + if (!WebPEncode(config, pic)) { + return 0; + } + return 1; +} + +// Struct representing a candidate encoded frame including its metadata. +typedef struct { + WebPMemoryWriter mem_; + WebPMuxFrameInfo info_; + FrameRectangle rect_; + int evaluate_; // True if this candidate should be evaluated. +} Candidate; + +// Generates a candidate encoded frame given a picture and metadata. +static WebPEncodingError EncodeCandidate(WebPPicture* const sub_frame, + const FrameRectangle* const rect, + const WebPConfig* const encoder_config, + int use_blending, + Candidate* const candidate) { + WebPConfig config = *encoder_config; + WebPEncodingError error_code = VP8_ENC_OK; + assert(candidate != NULL); + memset(candidate, 0, sizeof(*candidate)); + + // Set frame rect and info. + candidate->rect_ = *rect; + candidate->info_.id = WEBP_CHUNK_ANMF; + candidate->info_.x_offset = rect->x_offset_; + candidate->info_.y_offset = rect->y_offset_; + candidate->info_.dispose_method = WEBP_MUX_DISPOSE_NONE; // Set later. + candidate->info_.blend_method = + use_blending ? WEBP_MUX_BLEND : WEBP_MUX_NO_BLEND; + candidate->info_.duration = 0; // Set in next call to WebPAnimEncoderAdd(). + + // Encode picture. + WebPMemoryWriterInit(&candidate->mem_); + + if (!config.lossless && use_blending) { + // Disable filtering to avoid blockiness in reconstructed frames at the + // time of decoding. + config.autofilter = 0; + config.filter_strength = 0; + } + if (!EncodeFrame(&config, sub_frame, &candidate->mem_)) { + error_code = sub_frame->error_code; + goto Err; + } + + candidate->evaluate_ = 1; + return error_code; + + Err: + WebPMemoryWriterClear(&candidate->mem_); + return error_code; +} + +static void CopyCurrentCanvas(WebPAnimEncoder* const enc) { + if (enc->curr_canvas_copy_modified_) { + WebPCopyPixels(enc->curr_canvas_, &enc->curr_canvas_copy_); + enc->curr_canvas_copy_.progress_hook = enc->curr_canvas_->progress_hook; + enc->curr_canvas_copy_.user_data = enc->curr_canvas_->user_data; + enc->curr_canvas_copy_modified_ = 0; + } +} + +enum { + LL_DISP_NONE = 0, + LL_DISP_BG, + LOSSY_DISP_NONE, + LOSSY_DISP_BG, + CANDIDATE_COUNT +}; + +#define MIN_COLORS_LOSSY 31 // Don't try lossy below this threshold. +#define MAX_COLORS_LOSSLESS 194 // Don't try lossless above this threshold. + +// Generates candidates for a given dispose method given pre-filled sub-frame +// 'params'. +static WebPEncodingError GenerateCandidates( + WebPAnimEncoder* const enc, Candidate candidates[CANDIDATE_COUNT], + WebPMuxAnimDispose dispose_method, int is_lossless, int is_key_frame, + SubFrameParams* const params, + const WebPConfig* const config_ll, const WebPConfig* const config_lossy) { + WebPEncodingError error_code = VP8_ENC_OK; + const int is_dispose_none = (dispose_method == WEBP_MUX_DISPOSE_NONE); + Candidate* const candidate_ll = + is_dispose_none ? &candidates[LL_DISP_NONE] : &candidates[LL_DISP_BG]; + Candidate* const candidate_lossy = is_dispose_none + ? &candidates[LOSSY_DISP_NONE] + : &candidates[LOSSY_DISP_BG]; + WebPPicture* const curr_canvas = &enc->curr_canvas_copy_; + const WebPPicture* const prev_canvas = + is_dispose_none ? &enc->prev_canvas_ : &enc->prev_canvas_disposed_; + int use_blending_ll, use_blending_lossy; + int evaluate_ll, evaluate_lossy; + + CopyCurrentCanvas(enc); + use_blending_ll = + !is_key_frame && + IsLosslessBlendingPossible(prev_canvas, curr_canvas, ¶ms->rect_ll_); + use_blending_lossy = + !is_key_frame && + IsLossyBlendingPossible(prev_canvas, curr_canvas, ¶ms->rect_lossy_, + config_lossy->quality); + + // Pick candidates to be tried. + if (!enc->options_.allow_mixed) { + evaluate_ll = is_lossless; + evaluate_lossy = !is_lossless; + } else if (enc->options_.minimize_size) { + evaluate_ll = 1; + evaluate_lossy = 1; + } else { // Use a heuristic for trying lossless and/or lossy compression. + const int num_colors = WebPGetColorPalette(¶ms->sub_frame_ll_, NULL); + evaluate_ll = (num_colors < MAX_COLORS_LOSSLESS); + evaluate_lossy = (num_colors >= MIN_COLORS_LOSSY); + } + + // Generate candidates. + if (evaluate_ll) { + CopyCurrentCanvas(enc); + if (use_blending_ll) { + enc->curr_canvas_copy_modified_ = + IncreaseTransparency(prev_canvas, ¶ms->rect_ll_, curr_canvas); + } + error_code = EncodeCandidate(¶ms->sub_frame_ll_, ¶ms->rect_ll_, + config_ll, use_blending_ll, candidate_ll); + if (error_code != VP8_ENC_OK) return error_code; + } + if (evaluate_lossy) { + CopyCurrentCanvas(enc); + if (use_blending_lossy) { + enc->curr_canvas_copy_modified_ = + FlattenSimilarBlocks(prev_canvas, ¶ms->rect_lossy_, curr_canvas, + config_lossy->quality); + } + error_code = + EncodeCandidate(¶ms->sub_frame_lossy_, ¶ms->rect_lossy_, + config_lossy, use_blending_lossy, candidate_lossy); + if (error_code != VP8_ENC_OK) return error_code; + enc->curr_canvas_copy_modified_ = 1; + } + return error_code; +} + +#undef MIN_COLORS_LOSSY +#undef MAX_COLORS_LOSSLESS + +static void GetEncodedData(const WebPMemoryWriter* const memory, + WebPData* const encoded_data) { + encoded_data->bytes = memory->mem; + encoded_data->size = memory->size; +} + +// Sets dispose method of the previous frame to be 'dispose_method'. +static void SetPreviousDisposeMethod(WebPAnimEncoder* const enc, + WebPMuxAnimDispose dispose_method) { + const size_t position = enc->count_ - 2; + EncodedFrame* const prev_enc_frame = GetFrame(enc, position); + assert(enc->count_ >= 2); // As current and previous frames are in enc. + + if (enc->prev_candidate_undecided_) { + assert(dispose_method == WEBP_MUX_DISPOSE_NONE); + prev_enc_frame->sub_frame_.dispose_method = dispose_method; + prev_enc_frame->key_frame_.dispose_method = dispose_method; + } else { + WebPMuxFrameInfo* const prev_info = prev_enc_frame->is_key_frame_ + ? &prev_enc_frame->key_frame_ + : &prev_enc_frame->sub_frame_; + prev_info->dispose_method = dispose_method; + } +} + +static int IncreasePreviousDuration(WebPAnimEncoder* const enc, int duration) { + const size_t position = enc->count_ - 1; + EncodedFrame* const prev_enc_frame = GetFrame(enc, position); + int new_duration; + + assert(enc->count_ >= 1); + assert(!prev_enc_frame->is_key_frame_ || + prev_enc_frame->sub_frame_.duration == + prev_enc_frame->key_frame_.duration); + assert(prev_enc_frame->sub_frame_.duration == + (prev_enc_frame->sub_frame_.duration & (MAX_DURATION - 1))); + assert(duration == (duration & (MAX_DURATION - 1))); + + new_duration = prev_enc_frame->sub_frame_.duration + duration; + if (new_duration >= MAX_DURATION) { // Special case. + // Separate out previous frame from earlier merged frames to avoid overflow. + // We add a 1x1 transparent frame for the previous frame, with blending on. + const FrameRectangle rect = { 0, 0, 1, 1 }; + const uint8_t lossless_1x1_bytes[] = { + 0x52, 0x49, 0x46, 0x46, 0x14, 0x00, 0x00, 0x00, 0x57, 0x45, 0x42, 0x50, + 0x56, 0x50, 0x38, 0x4c, 0x08, 0x00, 0x00, 0x00, 0x2f, 0x00, 0x00, 0x00, + 0x10, 0x88, 0x88, 0x08 + }; + const WebPData lossless_1x1 = { + lossless_1x1_bytes, sizeof(lossless_1x1_bytes) + }; + const uint8_t lossy_1x1_bytes[] = { + 0x52, 0x49, 0x46, 0x46, 0x40, 0x00, 0x00, 0x00, 0x57, 0x45, 0x42, 0x50, + 0x56, 0x50, 0x38, 0x58, 0x0a, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x41, 0x4c, 0x50, 0x48, 0x02, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x56, 0x50, 0x38, 0x20, 0x18, 0x00, 0x00, 0x00, + 0x30, 0x01, 0x00, 0x9d, 0x01, 0x2a, 0x01, 0x00, 0x01, 0x00, 0x02, 0x00, + 0x34, 0x25, 0xa4, 0x00, 0x03, 0x70, 0x00, 0xfe, 0xfb, 0xfd, 0x50, 0x00 + }; + const WebPData lossy_1x1 = { lossy_1x1_bytes, sizeof(lossy_1x1_bytes) }; + const int can_use_lossless = + (enc->last_config_.lossless || enc->options_.allow_mixed); + EncodedFrame* const curr_enc_frame = GetFrame(enc, enc->count_); + curr_enc_frame->is_key_frame_ = 0; + curr_enc_frame->sub_frame_.id = WEBP_CHUNK_ANMF; + curr_enc_frame->sub_frame_.x_offset = 0; + curr_enc_frame->sub_frame_.y_offset = 0; + curr_enc_frame->sub_frame_.dispose_method = WEBP_MUX_DISPOSE_NONE; + curr_enc_frame->sub_frame_.blend_method = WEBP_MUX_BLEND; + curr_enc_frame->sub_frame_.duration = duration; + if (!WebPDataCopy(can_use_lossless ? &lossless_1x1 : &lossy_1x1, + &curr_enc_frame->sub_frame_.bitstream)) { + return 0; + } + ++enc->count_; + ++enc->count_since_key_frame_; + enc->flush_count_ = enc->count_ - 1; + enc->prev_candidate_undecided_ = 0; + enc->prev_rect_ = rect; + } else { // Regular case. + // Increase duration of the previous frame by 'duration'. + prev_enc_frame->sub_frame_.duration = new_duration; + prev_enc_frame->key_frame_.duration = new_duration; + } + return 1; +} + +// Pick the candidate encoded frame with smallest size and release other +// candidates. +// TODO(later): Perhaps a rough SSIM/PSNR produced by the encoder should +// also be a criteria, in addition to sizes. +static void PickBestCandidate(WebPAnimEncoder* const enc, + Candidate* const candidates, int is_key_frame, + EncodedFrame* const encoded_frame) { + int i; + int best_idx = -1; + size_t best_size = ~0; + for (i = 0; i < CANDIDATE_COUNT; ++i) { + if (candidates[i].evaluate_) { + const size_t candidate_size = candidates[i].mem_.size; + if (candidate_size < best_size) { + best_idx = i; + best_size = candidate_size; + } + } + } + assert(best_idx != -1); + for (i = 0; i < CANDIDATE_COUNT; ++i) { + if (candidates[i].evaluate_) { + if (i == best_idx) { + WebPMuxFrameInfo* const dst = is_key_frame + ? &encoded_frame->key_frame_ + : &encoded_frame->sub_frame_; + *dst = candidates[i].info_; + GetEncodedData(&candidates[i].mem_, &dst->bitstream); + if (!is_key_frame) { + // Note: Previous dispose method only matters for non-keyframes. + // Also, we don't want to modify previous dispose method that was + // selected when a non key-frame was assumed. + const WebPMuxAnimDispose prev_dispose_method = + (best_idx == LL_DISP_NONE || best_idx == LOSSY_DISP_NONE) + ? WEBP_MUX_DISPOSE_NONE + : WEBP_MUX_DISPOSE_BACKGROUND; + SetPreviousDisposeMethod(enc, prev_dispose_method); + } + enc->prev_rect_ = candidates[i].rect_; // save for next frame. + } else { + WebPMemoryWriterClear(&candidates[i].mem_); + candidates[i].evaluate_ = 0; + } + } + } +} + +// Depending on the configuration, tries different compressions +// (lossy/lossless), dispose methods, blending methods etc to encode the current +// frame and outputs the best one in 'encoded_frame'. +// 'frame_skipped' will be set to true if this frame should actually be skipped. +static WebPEncodingError SetFrame(WebPAnimEncoder* const enc, + const WebPConfig* const config, + int is_key_frame, + EncodedFrame* const encoded_frame, + int* const frame_skipped) { + int i; + WebPEncodingError error_code = VP8_ENC_OK; + const WebPPicture* const curr_canvas = &enc->curr_canvas_copy_; + const WebPPicture* const prev_canvas = &enc->prev_canvas_; + Candidate candidates[CANDIDATE_COUNT]; + const int is_lossless = config->lossless; + const int consider_lossless = is_lossless || enc->options_.allow_mixed; + const int consider_lossy = !is_lossless || enc->options_.allow_mixed; + const int is_first_frame = enc->is_first_frame_; + + // First frame cannot be skipped as there is no 'previous frame' to merge it + // to. So, empty rectangle is not allowed for the first frame. + const int empty_rect_allowed_none = !is_first_frame; + + // Even if there is exact pixel match between 'disposed previous canvas' and + // 'current canvas', we can't skip current frame, as there may not be exact + // pixel match between 'previous canvas' and 'current canvas'. So, we don't + // allow empty rectangle in this case. + const int empty_rect_allowed_bg = 0; + + // If current frame is a key-frame, dispose method of previous frame doesn't + // matter, so we don't try dispose to background. + // Also, if key-frame insertion is on, and previous frame could be picked as + // either a sub-frame or a key-frame, then we can't be sure about what frame + // rectangle would be disposed. In that case too, we don't try dispose to + // background. + const int dispose_bg_possible = + !is_key_frame && !enc->prev_candidate_undecided_; + + SubFrameParams dispose_none_params; + SubFrameParams dispose_bg_params; + + WebPConfig config_ll = *config; + WebPConfig config_lossy = *config; + config_ll.lossless = 1; + config_lossy.lossless = 0; + enc->last_config_ = *config; + enc->last_config_reversed_ = config->lossless ? config_lossy : config_ll; + *frame_skipped = 0; + + if (!SubFrameParamsInit(&dispose_none_params, 1, empty_rect_allowed_none) || + !SubFrameParamsInit(&dispose_bg_params, 0, empty_rect_allowed_bg)) { + return VP8_ENC_ERROR_INVALID_CONFIGURATION; + } + + memset(candidates, 0, sizeof(candidates)); + + // Change-rectangle assuming previous frame was DISPOSE_NONE. + if (!GetSubRects(prev_canvas, curr_canvas, is_key_frame, is_first_frame, + config_lossy.quality, &dispose_none_params)) { + error_code = VP8_ENC_ERROR_INVALID_CONFIGURATION; + goto Err; + } + + if ((consider_lossless && IsEmptyRect(&dispose_none_params.rect_ll_)) || + (consider_lossy && IsEmptyRect(&dispose_none_params.rect_lossy_))) { + // Don't encode the frame at all. Instead, the duration of the previous + // frame will be increased later. + assert(empty_rect_allowed_none); + *frame_skipped = 1; + goto End; + } + + if (dispose_bg_possible) { + // Change-rectangle assuming previous frame was DISPOSE_BACKGROUND. + WebPPicture* const prev_canvas_disposed = &enc->prev_canvas_disposed_; + WebPCopyPixels(prev_canvas, prev_canvas_disposed); + DisposeFrameRectangle(WEBP_MUX_DISPOSE_BACKGROUND, &enc->prev_rect_, + prev_canvas_disposed); + + if (!GetSubRects(prev_canvas_disposed, curr_canvas, is_key_frame, + is_first_frame, config_lossy.quality, + &dispose_bg_params)) { + error_code = VP8_ENC_ERROR_INVALID_CONFIGURATION; + goto Err; + } + assert(!IsEmptyRect(&dispose_bg_params.rect_ll_)); + assert(!IsEmptyRect(&dispose_bg_params.rect_lossy_)); + + if (enc->options_.minimize_size) { // Try both dispose methods. + dispose_bg_params.should_try_ = 1; + dispose_none_params.should_try_ = 1; + } else if ((is_lossless && + RectArea(&dispose_bg_params.rect_ll_) < + RectArea(&dispose_none_params.rect_ll_)) || + (!is_lossless && + RectArea(&dispose_bg_params.rect_lossy_) < + RectArea(&dispose_none_params.rect_lossy_))) { + dispose_bg_params.should_try_ = 1; // Pick DISPOSE_BACKGROUND. + dispose_none_params.should_try_ = 0; + } + } + + if (dispose_none_params.should_try_) { + error_code = GenerateCandidates( + enc, candidates, WEBP_MUX_DISPOSE_NONE, is_lossless, is_key_frame, + &dispose_none_params, &config_ll, &config_lossy); + if (error_code != VP8_ENC_OK) goto Err; + } + + if (dispose_bg_params.should_try_) { + assert(!enc->is_first_frame_); + assert(dispose_bg_possible); + error_code = GenerateCandidates( + enc, candidates, WEBP_MUX_DISPOSE_BACKGROUND, is_lossless, is_key_frame, + &dispose_bg_params, &config_ll, &config_lossy); + if (error_code != VP8_ENC_OK) goto Err; + } + + PickBestCandidate(enc, candidates, is_key_frame, encoded_frame); + + goto End; + + Err: + for (i = 0; i < CANDIDATE_COUNT; ++i) { + if (candidates[i].evaluate_) { + WebPMemoryWriterClear(&candidates[i].mem_); + } + } + + End: + SubFrameParamsFree(&dispose_none_params); + SubFrameParamsFree(&dispose_bg_params); + return error_code; +} + +// Calculate the penalty incurred if we encode given frame as a key frame +// instead of a sub-frame. +static int64_t KeyFramePenalty(const EncodedFrame* const encoded_frame) { + return ((int64_t)encoded_frame->key_frame_.bitstream.size - + encoded_frame->sub_frame_.bitstream.size); +} + +static int CacheFrame(WebPAnimEncoder* const enc, + const WebPConfig* const config) { + int ok = 0; + int frame_skipped = 0; + WebPEncodingError error_code = VP8_ENC_OK; + const size_t position = enc->count_; + EncodedFrame* const encoded_frame = GetFrame(enc, position); + + ++enc->count_; + + if (enc->is_first_frame_) { // Add this as a key-frame. + error_code = SetFrame(enc, config, 1, encoded_frame, &frame_skipped); + if (error_code != VP8_ENC_OK) goto End; + assert(frame_skipped == 0); // First frame can't be skipped, even if empty. + assert(position == 0 && enc->count_ == 1); + encoded_frame->is_key_frame_ = 1; + enc->flush_count_ = 0; + enc->count_since_key_frame_ = 0; + enc->prev_candidate_undecided_ = 0; + } else { + ++enc->count_since_key_frame_; + if (enc->count_since_key_frame_ <= enc->options_.kmin) { + // Add this as a frame rectangle. + error_code = SetFrame(enc, config, 0, encoded_frame, &frame_skipped); + if (error_code != VP8_ENC_OK) goto End; + if (frame_skipped) goto Skip; + encoded_frame->is_key_frame_ = 0; + enc->flush_count_ = enc->count_ - 1; + enc->prev_candidate_undecided_ = 0; + } else { + int64_t curr_delta; + FrameRectangle prev_rect_key, prev_rect_sub; + + // Add this as a frame rectangle to enc. + error_code = SetFrame(enc, config, 0, encoded_frame, &frame_skipped); + if (error_code != VP8_ENC_OK) goto End; + if (frame_skipped) goto Skip; + prev_rect_sub = enc->prev_rect_; + + + // Add this as a key-frame to enc, too. + error_code = SetFrame(enc, config, 1, encoded_frame, &frame_skipped); + if (error_code != VP8_ENC_OK) goto End; + assert(frame_skipped == 0); // Key-frame cannot be an empty rectangle. + prev_rect_key = enc->prev_rect_; + + // Analyze size difference of the two variants. + curr_delta = KeyFramePenalty(encoded_frame); + if (curr_delta <= enc->best_delta_) { // Pick this as the key-frame. + if (enc->keyframe_ != KEYFRAME_NONE) { + EncodedFrame* const old_keyframe = GetFrame(enc, enc->keyframe_); + assert(old_keyframe->is_key_frame_); + old_keyframe->is_key_frame_ = 0; + } + encoded_frame->is_key_frame_ = 1; + enc->prev_candidate_undecided_ = 1; + enc->keyframe_ = (int)position; + enc->best_delta_ = curr_delta; + enc->flush_count_ = enc->count_ - 1; // We can flush previous frames. + } else { + encoded_frame->is_key_frame_ = 0; + enc->prev_candidate_undecided_ = 0; + } + // Note: We need '>=' below because when kmin and kmax are both zero, + // count_since_key_frame will always be > kmax. + if (enc->count_since_key_frame_ >= enc->options_.kmax) { + enc->flush_count_ = enc->count_ - 1; + enc->count_since_key_frame_ = 0; + enc->keyframe_ = KEYFRAME_NONE; + enc->best_delta_ = DELTA_INFINITY; + } + if (!enc->prev_candidate_undecided_) { + enc->prev_rect_ = + encoded_frame->is_key_frame_ ? prev_rect_key : prev_rect_sub; + } + } + } + + // Update previous to previous and previous canvases for next call. + WebPCopyPixels(enc->curr_canvas_, &enc->prev_canvas_); + enc->is_first_frame_ = 0; + + Skip: + ok = 1; + ++enc->in_frame_count_; + + End: + if (!ok || frame_skipped) { + FrameRelease(encoded_frame); + // We reset some counters, as the frame addition failed/was skipped. + --enc->count_; + if (!enc->is_first_frame_) --enc->count_since_key_frame_; + if (!ok) { + MarkError2(enc, "ERROR adding frame. WebPEncodingError", error_code); + } + } + enc->curr_canvas_->error_code = error_code; // report error_code + assert(ok || error_code != VP8_ENC_OK); + return ok; +} + +static int FlushFrames(WebPAnimEncoder* const enc) { + while (enc->flush_count_ > 0) { + WebPMuxError err; + EncodedFrame* const curr = GetFrame(enc, 0); + const WebPMuxFrameInfo* const info = + curr->is_key_frame_ ? &curr->key_frame_ : &curr->sub_frame_; + assert(enc->mux_ != NULL); + err = WebPMuxPushFrame(enc->mux_, info, 1); + if (err != WEBP_MUX_OK) { + MarkError2(enc, "ERROR adding frame. WebPMuxError", err); + return 0; + } + if (enc->options_.verbose) { + fprintf(stderr, "INFO: Added frame. offset:%d,%d dispose:%d blend:%d\n", + info->x_offset, info->y_offset, info->dispose_method, + info->blend_method); + } + ++enc->out_frame_count_; + FrameRelease(curr); + ++enc->start_; + --enc->flush_count_; + --enc->count_; + if (enc->keyframe_ != KEYFRAME_NONE) --enc->keyframe_; + } + + if (enc->count_ == 1 && enc->start_ != 0) { + // Move enc->start to index 0. + const int enc_start_tmp = (int)enc->start_; + EncodedFrame temp = enc->encoded_frames_[0]; + enc->encoded_frames_[0] = enc->encoded_frames_[enc_start_tmp]; + enc->encoded_frames_[enc_start_tmp] = temp; + FrameRelease(&enc->encoded_frames_[enc_start_tmp]); + enc->start_ = 0; + } + return 1; +} + +#undef DELTA_INFINITY +#undef KEYFRAME_NONE + +int WebPAnimEncoderAdd(WebPAnimEncoder* enc, WebPPicture* frame, int timestamp, + const WebPConfig* encoder_config) { + WebPConfig config; + int ok; + + if (enc == NULL) { + return 0; + } + MarkNoError(enc); + + if (!enc->is_first_frame_) { + // Make sure timestamps are non-decreasing (integer wrap-around is OK). + const uint32_t prev_frame_duration = + (uint32_t)timestamp - enc->prev_timestamp_; + if (prev_frame_duration >= MAX_DURATION) { + if (frame != NULL) { + frame->error_code = VP8_ENC_ERROR_INVALID_CONFIGURATION; + } + MarkError(enc, "ERROR adding frame: timestamps must be non-decreasing"); + return 0; + } + if (!IncreasePreviousDuration(enc, (int)prev_frame_duration)) { + return 0; + } + // IncreasePreviousDuration() may add a frame to avoid exceeding + // MAX_DURATION which could cause CacheFrame() to over read encoded_frames_ + // before the next flush. + if (enc->count_ == enc->size_ && !FlushFrames(enc)) { + return 0; + } + } else { + enc->first_timestamp_ = timestamp; + } + + if (frame == NULL) { // Special: last call. + enc->got_null_frame_ = 1; + enc->prev_timestamp_ = timestamp; + return 1; + } + + if (frame->width != enc->canvas_width_ || + frame->height != enc->canvas_height_) { + frame->error_code = VP8_ENC_ERROR_INVALID_CONFIGURATION; + MarkError(enc, "ERROR adding frame: Invalid frame dimensions"); + return 0; + } + + if (!frame->use_argb) { // Convert frame from YUV(A) to ARGB. + if (enc->options_.verbose) { + fprintf(stderr, "WARNING: Converting frame from YUV(A) to ARGB format; " + "this incurs a small loss.\n"); + } + if (!WebPPictureYUVAToARGB(frame)) { + MarkError(enc, "ERROR converting frame from YUV(A) to ARGB"); + return 0; + } + } + + if (encoder_config != NULL) { + if (!WebPValidateConfig(encoder_config)) { + MarkError(enc, "ERROR adding frame: Invalid WebPConfig"); + return 0; + } + config = *encoder_config; + } else { + WebPConfigInit(&config); + config.lossless = 1; + } + assert(enc->curr_canvas_ == NULL); + enc->curr_canvas_ = frame; // Store reference. + assert(enc->curr_canvas_copy_modified_ == 1); + CopyCurrentCanvas(enc); + + ok = CacheFrame(enc, &config) && FlushFrames(enc); + + enc->curr_canvas_ = NULL; + enc->curr_canvas_copy_modified_ = 1; + if (ok) { + enc->prev_timestamp_ = timestamp; + } + return ok; +} + +// ----------------------------------------------------------------------------- +// Bitstream assembly. + +static int DecodeFrameOntoCanvas(const WebPMuxFrameInfo* const frame, + WebPPicture* const canvas) { + const WebPData* const image = &frame->bitstream; + WebPPicture sub_image; + WebPDecoderConfig config; + WebPInitDecoderConfig(&config); + WebPUtilClearPic(canvas, NULL); + if (WebPGetFeatures(image->bytes, image->size, &config.input) != + VP8_STATUS_OK) { + return 0; + } + if (!WebPPictureView(canvas, frame->x_offset, frame->y_offset, + config.input.width, config.input.height, &sub_image)) { + return 0; + } + config.output.is_external_memory = 1; + config.output.colorspace = MODE_BGRA; + config.output.u.RGBA.rgba = (uint8_t*)sub_image.argb; + config.output.u.RGBA.stride = sub_image.argb_stride * 4; + config.output.u.RGBA.size = config.output.u.RGBA.stride * sub_image.height; + + if (WebPDecode(image->bytes, image->size, &config) != VP8_STATUS_OK) { + return 0; + } + return 1; +} + +static int FrameToFullCanvas(WebPAnimEncoder* const enc, + const WebPMuxFrameInfo* const frame, + WebPData* const full_image) { + WebPPicture* const canvas_buf = &enc->curr_canvas_copy_; + WebPMemoryWriter mem1, mem2; + WebPMemoryWriterInit(&mem1); + WebPMemoryWriterInit(&mem2); + + if (!DecodeFrameOntoCanvas(frame, canvas_buf)) goto Err; + if (!EncodeFrame(&enc->last_config_, canvas_buf, &mem1)) goto Err; + GetEncodedData(&mem1, full_image); + + if (enc->options_.allow_mixed) { + if (!EncodeFrame(&enc->last_config_reversed_, canvas_buf, &mem2)) goto Err; + if (mem2.size < mem1.size) { + GetEncodedData(&mem2, full_image); + WebPMemoryWriterClear(&mem1); + } else { + WebPMemoryWriterClear(&mem2); + } + } + return 1; + + Err: + WebPMemoryWriterClear(&mem1); + WebPMemoryWriterClear(&mem2); + return 0; +} + +// Convert a single-frame animation to a non-animated image if appropriate. +// TODO(urvang): Can we pick one of the two heuristically (based on frame +// rectangle and/or presence of alpha)? +static WebPMuxError OptimizeSingleFrame(WebPAnimEncoder* const enc, + WebPData* const webp_data) { + WebPMuxError err = WEBP_MUX_OK; + int canvas_width, canvas_height; + WebPMuxFrameInfo frame; + WebPData full_image; + WebPData webp_data2; + WebPMux* const mux = WebPMuxCreate(webp_data, 0); + if (mux == NULL) return WEBP_MUX_BAD_DATA; + assert(enc->out_frame_count_ == 1); + WebPDataInit(&frame.bitstream); + WebPDataInit(&full_image); + WebPDataInit(&webp_data2); + + err = WebPMuxGetFrame(mux, 1, &frame); + if (err != WEBP_MUX_OK) goto End; + if (frame.id != WEBP_CHUNK_ANMF) goto End; // Non-animation: nothing to do. + err = WebPMuxGetCanvasSize(mux, &canvas_width, &canvas_height); + if (err != WEBP_MUX_OK) goto End; + if (!FrameToFullCanvas(enc, &frame, &full_image)) { + err = WEBP_MUX_BAD_DATA; + goto End; + } + err = WebPMuxSetImage(mux, &full_image, 1); + if (err != WEBP_MUX_OK) goto End; + err = WebPMuxAssemble(mux, &webp_data2); + if (err != WEBP_MUX_OK) goto End; + + if (webp_data2.size < webp_data->size) { // Pick 'webp_data2' if smaller. + WebPDataClear(webp_data); + *webp_data = webp_data2; + WebPDataInit(&webp_data2); + } + + End: + WebPDataClear(&frame.bitstream); + WebPDataClear(&full_image); + WebPMuxDelete(mux); + WebPDataClear(&webp_data2); + return err; +} + +int WebPAnimEncoderAssemble(WebPAnimEncoder* enc, WebPData* webp_data) { + WebPMux* mux; + WebPMuxError err; + + if (enc == NULL) { + return 0; + } + MarkNoError(enc); + + if (webp_data == NULL) { + MarkError(enc, "ERROR assembling: NULL input"); + return 0; + } + + if (enc->in_frame_count_ == 0) { + MarkError(enc, "ERROR: No frames to assemble"); + return 0; + } + + if (!enc->got_null_frame_ && enc->in_frame_count_ > 1 && enc->count_ > 0) { + // set duration of the last frame to be avg of durations of previous frames. + const double delta_time = + (uint32_t)enc->prev_timestamp_ - enc->first_timestamp_; + const int average_duration = (int)(delta_time / (enc->in_frame_count_ - 1)); + if (!IncreasePreviousDuration(enc, average_duration)) { + return 0; + } + } + + // Flush any remaining frames. + enc->flush_count_ = enc->count_; + if (!FlushFrames(enc)) { + return 0; + } + + // Set definitive canvas size. + mux = enc->mux_; + err = WebPMuxSetCanvasSize(mux, enc->canvas_width_, enc->canvas_height_); + if (err != WEBP_MUX_OK) goto Err; + + err = WebPMuxSetAnimationParams(mux, &enc->options_.anim_params); + if (err != WEBP_MUX_OK) goto Err; + + // Assemble into a WebP bitstream. + err = WebPMuxAssemble(mux, webp_data); + if (err != WEBP_MUX_OK) goto Err; + + if (enc->out_frame_count_ == 1) { + err = OptimizeSingleFrame(enc, webp_data); + if (err != WEBP_MUX_OK) goto Err; + } + return 1; + + Err: + MarkError2(enc, "ERROR assembling WebP", err); + return 0; +} + +const char* WebPAnimEncoderGetError(WebPAnimEncoder* enc) { + if (enc == NULL) return NULL; + return enc->error_str_; +} + +// ----------------------------------------------------------------------------- diff --git a/ProductApp/Pods/libwebp/src/mux/animi.h b/ProductApp/Pods/libwebp/src/mux/animi.h new file mode 100644 index 0000000..34c45ba --- /dev/null +++ b/ProductApp/Pods/libwebp/src/mux/animi.h @@ -0,0 +1,43 @@ +// Copyright 2016 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Internal header for animation related functions. +// +// Author: Hui Su (huisu@google.com) + +#ifndef WEBP_MUX_ANIMI_H_ +#define WEBP_MUX_ANIMI_H_ + +#include "src/webp/mux.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// Picks the optimal rectangle between two pictures, starting with initial +// values of offsets and dimensions that are passed in. The initial +// values will be clipped, if necessary, to make sure the rectangle is +// within the canvas. "use_argb" must be true for both pictures. +// Parameters: +// prev_canvas, curr_canvas - (in) two input pictures to compare. +// is_lossless, quality - (in) encoding settings. +// x_offset, y_offset, width, height - (in/out) rectangle between the two +// input pictures. +// Returns true on success. +int WebPAnimEncoderRefineRect( + const struct WebPPicture* const prev_canvas, + const struct WebPPicture* const curr_canvas, + int is_lossless, float quality, int* const x_offset, int* const y_offset, + int* const width, int* const height); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_MUX_ANIMI_H_ diff --git a/ProductApp/Pods/libwebp/src/mux/libwebpmux.pc.in b/ProductApp/Pods/libwebp/src/mux/libwebpmux.pc.in new file mode 100644 index 0000000..c770daa --- /dev/null +++ b/ProductApp/Pods/libwebp/src/mux/libwebpmux.pc.in @@ -0,0 +1,12 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ + +Name: libwebpmux +Description: Library for manipulating the WebP graphics format container +Version: @PACKAGE_VERSION@ +Requires.private: libwebp >= 0.2.0 +Cflags: -I${includedir} +Libs: -L${libdir} -l@webp_libname_prefix@webpmux +Libs.private: -lm diff --git a/ProductApp/Pods/libwebp/src/mux/libwebpmux.rc b/ProductApp/Pods/libwebp/src/mux/libwebpmux.rc new file mode 100644 index 0000000..bca38f6 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/mux/libwebpmux.rc @@ -0,0 +1,41 @@ +#define APSTUDIO_READONLY_SYMBOLS +#include "winres.h" +#undef APSTUDIO_READONLY_SYMBOLS + +#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) +LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US + +VS_VERSION_INFO VERSIONINFO + FILEVERSION 1,0,3,2 + PRODUCTVERSION 1,0,3,2 + FILEFLAGSMASK 0x3fL +#ifdef _DEBUG + FILEFLAGS 0x1L +#else + FILEFLAGS 0x0L +#endif + FILEOS 0x40004L + FILETYPE 0x2L + FILESUBTYPE 0x0L +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904b0" + BEGIN + VALUE "CompanyName", "Google, Inc." + VALUE "FileDescription", "libwebpmux DLL" + VALUE "FileVersion", "1.3.2" + VALUE "InternalName", "libwebpmux.dll" + VALUE "LegalCopyright", "Copyright (C) 2023" + VALUE "OriginalFilename", "libwebpmux.dll" + VALUE "ProductName", "WebP Image Muxer" + VALUE "ProductVersion", "1.3.2" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1200 + END +END + +#endif // English (United States) resources diff --git a/ProductApp/Pods/libwebp/src/mux/muxedit.c b/ProductApp/Pods/libwebp/src/mux/muxedit.c new file mode 100644 index 0000000..63e71a0 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/mux/muxedit.c @@ -0,0 +1,656 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Set and delete APIs for mux. +// +// Authors: Urvang (urvang@google.com) +// Vikas (vikasa@google.com) + +#include +#include "src/mux/muxi.h" +#include "src/utils/utils.h" + +//------------------------------------------------------------------------------ +// Life of a mux object. + +static void MuxInit(WebPMux* const mux) { + assert(mux != NULL); + memset(mux, 0, sizeof(*mux)); + mux->canvas_width_ = 0; // just to be explicit + mux->canvas_height_ = 0; +} + +WebPMux* WebPNewInternal(int version) { + if (WEBP_ABI_IS_INCOMPATIBLE(version, WEBP_MUX_ABI_VERSION)) { + return NULL; + } else { + WebPMux* const mux = (WebPMux*)WebPSafeMalloc(1ULL, sizeof(WebPMux)); + if (mux != NULL) MuxInit(mux); + return mux; + } +} + +// Delete all images in 'wpi_list'. +static void DeleteAllImages(WebPMuxImage** const wpi_list) { + while (*wpi_list != NULL) { + *wpi_list = MuxImageDelete(*wpi_list); + } +} + +static void MuxRelease(WebPMux* const mux) { + assert(mux != NULL); + DeleteAllImages(&mux->images_); + ChunkListDelete(&mux->vp8x_); + ChunkListDelete(&mux->iccp_); + ChunkListDelete(&mux->anim_); + ChunkListDelete(&mux->exif_); + ChunkListDelete(&mux->xmp_); + ChunkListDelete(&mux->unknown_); +} + +void WebPMuxDelete(WebPMux* mux) { + if (mux != NULL) { + MuxRelease(mux); + WebPSafeFree(mux); + } +} + +//------------------------------------------------------------------------------ +// Helper method(s). + +// Handy MACRO, makes MuxSet() very symmetric to MuxGet(). +#define SWITCH_ID_LIST(INDEX, LIST) \ + if (idx == (INDEX)) { \ + err = ChunkAssignData(&chunk, data, copy_data, tag); \ + if (err == WEBP_MUX_OK) { \ + err = ChunkSetHead(&chunk, (LIST)); \ + if (err != WEBP_MUX_OK) ChunkRelease(&chunk); \ + } \ + return err; \ + } + +static WebPMuxError MuxSet(WebPMux* const mux, uint32_t tag, + const WebPData* const data, int copy_data) { + WebPChunk chunk; + WebPMuxError err = WEBP_MUX_NOT_FOUND; + const CHUNK_INDEX idx = ChunkGetIndexFromTag(tag); + assert(mux != NULL); + assert(!IsWPI(kChunks[idx].id)); + + ChunkInit(&chunk); + SWITCH_ID_LIST(IDX_VP8X, &mux->vp8x_); + SWITCH_ID_LIST(IDX_ICCP, &mux->iccp_); + SWITCH_ID_LIST(IDX_ANIM, &mux->anim_); + SWITCH_ID_LIST(IDX_EXIF, &mux->exif_); + SWITCH_ID_LIST(IDX_XMP, &mux->xmp_); + SWITCH_ID_LIST(IDX_UNKNOWN, &mux->unknown_); + return err; +} +#undef SWITCH_ID_LIST + +// Create data for frame given image data, offsets and duration. +static WebPMuxError CreateFrameData( + int width, int height, const WebPMuxFrameInfo* const info, + WebPData* const frame) { + uint8_t* frame_bytes; + const size_t frame_size = kChunks[IDX_ANMF].size; + + assert(width > 0 && height > 0 && info->duration >= 0); + assert(info->dispose_method == (info->dispose_method & 1)); + // Note: assertion on upper bounds is done in PutLE24(). + + frame_bytes = (uint8_t*)WebPSafeMalloc(1ULL, frame_size); + if (frame_bytes == NULL) return WEBP_MUX_MEMORY_ERROR; + + PutLE24(frame_bytes + 0, info->x_offset / 2); + PutLE24(frame_bytes + 3, info->y_offset / 2); + + PutLE24(frame_bytes + 6, width - 1); + PutLE24(frame_bytes + 9, height - 1); + PutLE24(frame_bytes + 12, info->duration); + frame_bytes[15] = + (info->blend_method == WEBP_MUX_NO_BLEND ? 2 : 0) | + (info->dispose_method == WEBP_MUX_DISPOSE_BACKGROUND ? 1 : 0); + + frame->bytes = frame_bytes; + frame->size = frame_size; + return WEBP_MUX_OK; +} + +// Outputs image data given a bitstream. The bitstream can either be a +// single-image WebP file or raw VP8/VP8L data. +// Also outputs 'is_lossless' to be true if the given bitstream is lossless. +static WebPMuxError GetImageData(const WebPData* const bitstream, + WebPData* const image, WebPData* const alpha, + int* const is_lossless) { + WebPDataInit(alpha); // Default: no alpha. + if (bitstream->size < TAG_SIZE || + memcmp(bitstream->bytes, "RIFF", TAG_SIZE)) { + // It is NOT webp file data. Return input data as is. + *image = *bitstream; + } else { + // It is webp file data. Extract image data from it. + const WebPMuxImage* wpi; + WebPMux* const mux = WebPMuxCreate(bitstream, 0); + if (mux == NULL) return WEBP_MUX_BAD_DATA; + wpi = mux->images_; + assert(wpi != NULL && wpi->img_ != NULL); + *image = wpi->img_->data_; + if (wpi->alpha_ != NULL) { + *alpha = wpi->alpha_->data_; + } + WebPMuxDelete(mux); + } + *is_lossless = VP8LCheckSignature(image->bytes, image->size); + return WEBP_MUX_OK; +} + +static WebPMuxError DeleteChunks(WebPChunk** chunk_list, uint32_t tag) { + WebPMuxError err = WEBP_MUX_NOT_FOUND; + assert(chunk_list); + while (*chunk_list) { + WebPChunk* const chunk = *chunk_list; + if (chunk->tag_ == tag) { + *chunk_list = ChunkDelete(chunk); + err = WEBP_MUX_OK; + } else { + chunk_list = &chunk->next_; + } + } + return err; +} + +static WebPMuxError MuxDeleteAllNamedData(WebPMux* const mux, uint32_t tag) { + const WebPChunkId id = ChunkGetIdFromTag(tag); + assert(mux != NULL); + if (IsWPI(id)) return WEBP_MUX_INVALID_ARGUMENT; + return DeleteChunks(MuxGetChunkListFromId(mux, id), tag); +} + +//------------------------------------------------------------------------------ +// Set API(s). + +WebPMuxError WebPMuxSetChunk(WebPMux* mux, const char fourcc[4], + const WebPData* chunk_data, int copy_data) { + uint32_t tag; + WebPMuxError err; + if (mux == NULL || fourcc == NULL || chunk_data == NULL || + chunk_data->bytes == NULL || chunk_data->size > MAX_CHUNK_PAYLOAD) { + return WEBP_MUX_INVALID_ARGUMENT; + } + tag = ChunkGetTagFromFourCC(fourcc); + + // Delete existing chunk(s) with the same 'fourcc'. + err = MuxDeleteAllNamedData(mux, tag); + if (err != WEBP_MUX_OK && err != WEBP_MUX_NOT_FOUND) return err; + + // Add the given chunk. + return MuxSet(mux, tag, chunk_data, copy_data); +} + +// Creates a chunk from given 'data' and sets it as 1st chunk in 'chunk_list'. +static WebPMuxError AddDataToChunkList( + const WebPData* const data, int copy_data, uint32_t tag, + WebPChunk** chunk_list) { + WebPChunk chunk; + WebPMuxError err; + ChunkInit(&chunk); + err = ChunkAssignData(&chunk, data, copy_data, tag); + if (err != WEBP_MUX_OK) goto Err; + err = ChunkSetHead(&chunk, chunk_list); + if (err != WEBP_MUX_OK) goto Err; + return WEBP_MUX_OK; + Err: + ChunkRelease(&chunk); + return err; +} + +// Extracts image & alpha data from the given bitstream and then sets wpi.alpha_ +// and wpi.img_ appropriately. +static WebPMuxError SetAlphaAndImageChunks( + const WebPData* const bitstream, int copy_data, WebPMuxImage* const wpi) { + int is_lossless = 0; + WebPData image, alpha; + WebPMuxError err = GetImageData(bitstream, &image, &alpha, &is_lossless); + const int image_tag = + is_lossless ? kChunks[IDX_VP8L].tag : kChunks[IDX_VP8].tag; + if (err != WEBP_MUX_OK) return err; + if (alpha.bytes != NULL) { + err = AddDataToChunkList(&alpha, copy_data, kChunks[IDX_ALPHA].tag, + &wpi->alpha_); + if (err != WEBP_MUX_OK) return err; + } + err = AddDataToChunkList(&image, copy_data, image_tag, &wpi->img_); + if (err != WEBP_MUX_OK) return err; + return MuxImageFinalize(wpi) ? WEBP_MUX_OK : WEBP_MUX_INVALID_ARGUMENT; +} + +WebPMuxError WebPMuxSetImage(WebPMux* mux, const WebPData* bitstream, + int copy_data) { + WebPMuxImage wpi; + WebPMuxError err; + + if (mux == NULL || bitstream == NULL || bitstream->bytes == NULL || + bitstream->size > MAX_CHUNK_PAYLOAD) { + return WEBP_MUX_INVALID_ARGUMENT; + } + + if (mux->images_ != NULL) { + // Only one 'simple image' can be added in mux. So, remove present images. + DeleteAllImages(&mux->images_); + } + + MuxImageInit(&wpi); + err = SetAlphaAndImageChunks(bitstream, copy_data, &wpi); + if (err != WEBP_MUX_OK) goto Err; + + // Add this WebPMuxImage to mux. + err = MuxImagePush(&wpi, &mux->images_); + if (err != WEBP_MUX_OK) goto Err; + + // All is well. + return WEBP_MUX_OK; + + Err: // Something bad happened. + MuxImageRelease(&wpi); + return err; +} + +WebPMuxError WebPMuxPushFrame(WebPMux* mux, const WebPMuxFrameInfo* info, + int copy_data) { + WebPMuxImage wpi; + WebPMuxError err; + + if (mux == NULL || info == NULL) return WEBP_MUX_INVALID_ARGUMENT; + + if (info->id != WEBP_CHUNK_ANMF) return WEBP_MUX_INVALID_ARGUMENT; + + if (info->bitstream.bytes == NULL || + info->bitstream.size > MAX_CHUNK_PAYLOAD) { + return WEBP_MUX_INVALID_ARGUMENT; + } + + if (mux->images_ != NULL) { + const WebPMuxImage* const image = mux->images_; + const uint32_t image_id = (image->header_ != NULL) ? + ChunkGetIdFromTag(image->header_->tag_) : WEBP_CHUNK_IMAGE; + if (image_id != info->id) { + return WEBP_MUX_INVALID_ARGUMENT; // Conflicting frame types. + } + } + + MuxImageInit(&wpi); + err = SetAlphaAndImageChunks(&info->bitstream, copy_data, &wpi); + if (err != WEBP_MUX_OK) goto Err; + assert(wpi.img_ != NULL); // As SetAlphaAndImageChunks() was successful. + + { + WebPData frame; + const uint32_t tag = kChunks[IDX_ANMF].tag; + WebPMuxFrameInfo tmp = *info; + tmp.x_offset &= ~1; // Snap offsets to even. + tmp.y_offset &= ~1; + if (tmp.x_offset < 0 || tmp.x_offset >= MAX_POSITION_OFFSET || + tmp.y_offset < 0 || tmp.y_offset >= MAX_POSITION_OFFSET || + (tmp.duration < 0 || tmp.duration >= MAX_DURATION) || + tmp.dispose_method != (tmp.dispose_method & 1)) { + err = WEBP_MUX_INVALID_ARGUMENT; + goto Err; + } + err = CreateFrameData(wpi.width_, wpi.height_, &tmp, &frame); + if (err != WEBP_MUX_OK) goto Err; + // Add frame chunk (with copy_data = 1). + err = AddDataToChunkList(&frame, 1, tag, &wpi.header_); + WebPDataClear(&frame); // frame owned by wpi.header_ now. + if (err != WEBP_MUX_OK) goto Err; + } + + // Add this WebPMuxImage to mux. + err = MuxImagePush(&wpi, &mux->images_); + if (err != WEBP_MUX_OK) goto Err; + + // All is well. + return WEBP_MUX_OK; + + Err: // Something bad happened. + MuxImageRelease(&wpi); + return err; +} + +WebPMuxError WebPMuxSetAnimationParams(WebPMux* mux, + const WebPMuxAnimParams* params) { + WebPMuxError err; + uint8_t data[ANIM_CHUNK_SIZE]; + const WebPData anim = { data, ANIM_CHUNK_SIZE }; + + if (mux == NULL || params == NULL) return WEBP_MUX_INVALID_ARGUMENT; + if (params->loop_count < 0 || params->loop_count >= MAX_LOOP_COUNT) { + return WEBP_MUX_INVALID_ARGUMENT; + } + + // Delete any existing ANIM chunk(s). + err = MuxDeleteAllNamedData(mux, kChunks[IDX_ANIM].tag); + if (err != WEBP_MUX_OK && err != WEBP_MUX_NOT_FOUND) return err; + + // Set the animation parameters. + PutLE32(data, params->bgcolor); + PutLE16(data + 4, params->loop_count); + return MuxSet(mux, kChunks[IDX_ANIM].tag, &anim, 1); +} + +WebPMuxError WebPMuxSetCanvasSize(WebPMux* mux, + int width, int height) { + WebPMuxError err; + if (mux == NULL) { + return WEBP_MUX_INVALID_ARGUMENT; + } + if (width < 0 || height < 0 || + width > MAX_CANVAS_SIZE || height > MAX_CANVAS_SIZE) { + return WEBP_MUX_INVALID_ARGUMENT; + } + if (width * (uint64_t)height >= MAX_IMAGE_AREA) { + return WEBP_MUX_INVALID_ARGUMENT; + } + if ((width * height) == 0 && (width | height) != 0) { + // one of width / height is zero, but not both -> invalid! + return WEBP_MUX_INVALID_ARGUMENT; + } + // If we already assembled a VP8X chunk, invalidate it. + err = MuxDeleteAllNamedData(mux, kChunks[IDX_VP8X].tag); + if (err != WEBP_MUX_OK && err != WEBP_MUX_NOT_FOUND) return err; + + mux->canvas_width_ = width; + mux->canvas_height_ = height; + return WEBP_MUX_OK; +} + +//------------------------------------------------------------------------------ +// Delete API(s). + +WebPMuxError WebPMuxDeleteChunk(WebPMux* mux, const char fourcc[4]) { + if (mux == NULL || fourcc == NULL) return WEBP_MUX_INVALID_ARGUMENT; + return MuxDeleteAllNamedData(mux, ChunkGetTagFromFourCC(fourcc)); +} + +WebPMuxError WebPMuxDeleteFrame(WebPMux* mux, uint32_t nth) { + if (mux == NULL) return WEBP_MUX_INVALID_ARGUMENT; + return MuxImageDeleteNth(&mux->images_, nth); +} + +//------------------------------------------------------------------------------ +// Assembly of the WebP RIFF file. + +static WebPMuxError GetFrameInfo( + const WebPChunk* const frame_chunk, + int* const x_offset, int* const y_offset, int* const duration) { + const WebPData* const data = &frame_chunk->data_; + const size_t expected_data_size = ANMF_CHUNK_SIZE; + assert(frame_chunk->tag_ == kChunks[IDX_ANMF].tag); + assert(frame_chunk != NULL); + if (data->size != expected_data_size) return WEBP_MUX_INVALID_ARGUMENT; + + *x_offset = 2 * GetLE24(data->bytes + 0); + *y_offset = 2 * GetLE24(data->bytes + 3); + *duration = GetLE24(data->bytes + 12); + return WEBP_MUX_OK; +} + +static WebPMuxError GetImageInfo(const WebPMuxImage* const wpi, + int* const x_offset, int* const y_offset, + int* const duration, + int* const width, int* const height) { + const WebPChunk* const frame_chunk = wpi->header_; + WebPMuxError err; + assert(wpi != NULL); + assert(frame_chunk != NULL); + + // Get offsets and duration from ANMF chunk. + err = GetFrameInfo(frame_chunk, x_offset, y_offset, duration); + if (err != WEBP_MUX_OK) return err; + + // Get width and height from VP8/VP8L chunk. + if (width != NULL) *width = wpi->width_; + if (height != NULL) *height = wpi->height_; + return WEBP_MUX_OK; +} + +// Returns the tightest dimension for the canvas considering the image list. +static WebPMuxError GetAdjustedCanvasSize(const WebPMux* const mux, + int* const width, int* const height) { + WebPMuxImage* wpi = NULL; + assert(mux != NULL); + assert(width != NULL && height != NULL); + + wpi = mux->images_; + assert(wpi != NULL); + assert(wpi->img_ != NULL); + + if (wpi->next_ != NULL) { + int max_x = 0, max_y = 0; + // if we have a chain of wpi's, header_ is necessarily set + assert(wpi->header_ != NULL); + // Aggregate the bounding box for animation frames. + for (; wpi != NULL; wpi = wpi->next_) { + int x_offset = 0, y_offset = 0, duration = 0, w = 0, h = 0; + const WebPMuxError err = GetImageInfo(wpi, &x_offset, &y_offset, + &duration, &w, &h); + const int max_x_pos = x_offset + w; + const int max_y_pos = y_offset + h; + if (err != WEBP_MUX_OK) return err; + assert(x_offset < MAX_POSITION_OFFSET); + assert(y_offset < MAX_POSITION_OFFSET); + + if (max_x_pos > max_x) max_x = max_x_pos; + if (max_y_pos > max_y) max_y = max_y_pos; + } + *width = max_x; + *height = max_y; + } else { + // For a single image, canvas dimensions are same as image dimensions. + *width = wpi->width_; + *height = wpi->height_; + } + return WEBP_MUX_OK; +} + +// VP8X format: +// Total Size : 10, +// Flags : 4 bytes, +// Width : 3 bytes, +// Height : 3 bytes. +static WebPMuxError CreateVP8XChunk(WebPMux* const mux) { + WebPMuxError err = WEBP_MUX_OK; + uint32_t flags = 0; + int width = 0; + int height = 0; + uint8_t data[VP8X_CHUNK_SIZE]; + const WebPData vp8x = { data, VP8X_CHUNK_SIZE }; + const WebPMuxImage* images = NULL; + + assert(mux != NULL); + images = mux->images_; // First image. + if (images == NULL || images->img_ == NULL || + images->img_->data_.bytes == NULL) { + return WEBP_MUX_INVALID_ARGUMENT; + } + + // If VP8X chunk(s) is(are) already present, remove them (and later add new + // VP8X chunk with updated flags). + err = MuxDeleteAllNamedData(mux, kChunks[IDX_VP8X].tag); + if (err != WEBP_MUX_OK && err != WEBP_MUX_NOT_FOUND) return err; + + // Set flags. + if (mux->iccp_ != NULL && mux->iccp_->data_.bytes != NULL) { + flags |= ICCP_FLAG; + } + if (mux->exif_ != NULL && mux->exif_->data_.bytes != NULL) { + flags |= EXIF_FLAG; + } + if (mux->xmp_ != NULL && mux->xmp_->data_.bytes != NULL) { + flags |= XMP_FLAG; + } + if (images->header_ != NULL) { + if (images->header_->tag_ == kChunks[IDX_ANMF].tag) { + // This is an image with animation. + flags |= ANIMATION_FLAG; + } + } + if (MuxImageCount(images, WEBP_CHUNK_ALPHA) > 0) { + flags |= ALPHA_FLAG; // Some images have an alpha channel. + } + + err = GetAdjustedCanvasSize(mux, &width, &height); + if (err != WEBP_MUX_OK) return err; + + if (width <= 0 || height <= 0) { + return WEBP_MUX_INVALID_ARGUMENT; + } + if (width > MAX_CANVAS_SIZE || height > MAX_CANVAS_SIZE) { + return WEBP_MUX_INVALID_ARGUMENT; + } + + if (mux->canvas_width_ != 0 || mux->canvas_height_ != 0) { + if (width > mux->canvas_width_ || height > mux->canvas_height_) { + return WEBP_MUX_INVALID_ARGUMENT; + } + width = mux->canvas_width_; + height = mux->canvas_height_; + } + + if (flags == 0 && mux->unknown_ == NULL) { + // For simple file format, VP8X chunk should not be added. + return WEBP_MUX_OK; + } + + if (MuxHasAlpha(images)) { + // This means some frames explicitly/implicitly contain alpha. + // Note: This 'flags' update must NOT be done for a lossless image + // without a VP8X chunk! + flags |= ALPHA_FLAG; + } + + PutLE32(data + 0, flags); // VP8X chunk flags. + PutLE24(data + 4, width - 1); // canvas width. + PutLE24(data + 7, height - 1); // canvas height. + + return MuxSet(mux, kChunks[IDX_VP8X].tag, &vp8x, 1); +} + +// Cleans up 'mux' by removing any unnecessary chunks. +static WebPMuxError MuxCleanup(WebPMux* const mux) { + int num_frames; + int num_anim_chunks; + + // If we have an image with a single frame, and its rectangle + // covers the whole canvas, convert it to a non-animated image + // (to avoid writing ANMF chunk unnecessarily). + WebPMuxError err = WebPMuxNumChunks(mux, kChunks[IDX_ANMF].id, &num_frames); + if (err != WEBP_MUX_OK) return err; + if (num_frames == 1) { + WebPMuxImage* frame = NULL; + err = MuxImageGetNth((const WebPMuxImage**)&mux->images_, 1, &frame); + assert(err == WEBP_MUX_OK); // We know that one frame does exist. + assert(frame != NULL); + if (frame->header_ != NULL && + ((mux->canvas_width_ == 0 && mux->canvas_height_ == 0) || + (frame->width_ == mux->canvas_width_ && + frame->height_ == mux->canvas_height_))) { + assert(frame->header_->tag_ == kChunks[IDX_ANMF].tag); + ChunkDelete(frame->header_); // Removes ANMF chunk. + frame->header_ = NULL; + num_frames = 0; + } + } + // Remove ANIM chunk if this is a non-animated image. + err = WebPMuxNumChunks(mux, kChunks[IDX_ANIM].id, &num_anim_chunks); + if (err != WEBP_MUX_OK) return err; + if (num_anim_chunks >= 1 && num_frames == 0) { + err = MuxDeleteAllNamedData(mux, kChunks[IDX_ANIM].tag); + if (err != WEBP_MUX_OK) return err; + } + return WEBP_MUX_OK; +} + +// Total size of a list of images. +static size_t ImageListDiskSize(const WebPMuxImage* wpi_list) { + size_t size = 0; + while (wpi_list != NULL) { + size += MuxImageDiskSize(wpi_list); + wpi_list = wpi_list->next_; + } + return size; +} + +// Write out the given list of images into 'dst'. +static uint8_t* ImageListEmit(const WebPMuxImage* wpi_list, uint8_t* dst) { + while (wpi_list != NULL) { + dst = MuxImageEmit(wpi_list, dst); + wpi_list = wpi_list->next_; + } + return dst; +} + +WebPMuxError WebPMuxAssemble(WebPMux* mux, WebPData* assembled_data) { + size_t size = 0; + uint8_t* data = NULL; + uint8_t* dst = NULL; + WebPMuxError err; + + if (assembled_data == NULL) { + return WEBP_MUX_INVALID_ARGUMENT; + } + // Clean up returned data, in case something goes wrong. + memset(assembled_data, 0, sizeof(*assembled_data)); + + if (mux == NULL) { + return WEBP_MUX_INVALID_ARGUMENT; + } + + // Finalize mux. + err = MuxCleanup(mux); + if (err != WEBP_MUX_OK) return err; + err = CreateVP8XChunk(mux); + if (err != WEBP_MUX_OK) return err; + + // Allocate data. + size = ChunkListDiskSize(mux->vp8x_) + ChunkListDiskSize(mux->iccp_) + + ChunkListDiskSize(mux->anim_) + ImageListDiskSize(mux->images_) + + ChunkListDiskSize(mux->exif_) + ChunkListDiskSize(mux->xmp_) + + ChunkListDiskSize(mux->unknown_) + RIFF_HEADER_SIZE; + + data = (uint8_t*)WebPSafeMalloc(1ULL, size); + if (data == NULL) return WEBP_MUX_MEMORY_ERROR; + + // Emit header & chunks. + dst = MuxEmitRiffHeader(data, size); + dst = ChunkListEmit(mux->vp8x_, dst); + dst = ChunkListEmit(mux->iccp_, dst); + dst = ChunkListEmit(mux->anim_, dst); + dst = ImageListEmit(mux->images_, dst); + dst = ChunkListEmit(mux->exif_, dst); + dst = ChunkListEmit(mux->xmp_, dst); + dst = ChunkListEmit(mux->unknown_, dst); + assert(dst == data + size); + + // Validate mux. + err = MuxValidate(mux); + if (err != WEBP_MUX_OK) { + WebPSafeFree(data); + data = NULL; + size = 0; + } + + // Finalize data. + assembled_data->bytes = data; + assembled_data->size = size; + + return err; +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/mux/muxi.h b/ProductApp/Pods/libwebp/src/mux/muxi.h new file mode 100644 index 0000000..afc5954 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/mux/muxi.h @@ -0,0 +1,234 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Internal header for mux library. +// +// Author: Urvang (urvang@google.com) + +#ifndef WEBP_MUX_MUXI_H_ +#define WEBP_MUX_MUXI_H_ + +#include +#include +#include "src/dec/vp8i_dec.h" +#include "src/dec/vp8li_dec.h" +#include "src/webp/mux.h" + +#ifdef __cplusplus +extern "C" { +#endif + +//------------------------------------------------------------------------------ +// Defines and constants. + +#define MUX_MAJ_VERSION 1 +#define MUX_MIN_VERSION 3 +#define MUX_REV_VERSION 2 + +// Chunk object. +typedef struct WebPChunk WebPChunk; +struct WebPChunk { + uint32_t tag_; + int owner_; // True if *data_ memory is owned internally. + // VP8X, ANIM, and other internally created chunks + // like ANMF are always owned. + WebPData data_; + WebPChunk* next_; +}; + +// MuxImage object. Store a full WebP image (including ANMF chunk, ALPH +// chunk and VP8/VP8L chunk), +typedef struct WebPMuxImage WebPMuxImage; +struct WebPMuxImage { + WebPChunk* header_; // Corresponds to WEBP_CHUNK_ANMF. + WebPChunk* alpha_; // Corresponds to WEBP_CHUNK_ALPHA. + WebPChunk* img_; // Corresponds to WEBP_CHUNK_IMAGE. + WebPChunk* unknown_; // Corresponds to WEBP_CHUNK_UNKNOWN. + int width_; + int height_; + int has_alpha_; // Through ALPH chunk or as part of VP8L. + int is_partial_; // True if only some of the chunks are filled. + WebPMuxImage* next_; +}; + +// Main mux object. Stores data chunks. +struct WebPMux { + WebPMuxImage* images_; + WebPChunk* iccp_; + WebPChunk* exif_; + WebPChunk* xmp_; + WebPChunk* anim_; + WebPChunk* vp8x_; + + WebPChunk* unknown_; + int canvas_width_; + int canvas_height_; +}; + +// CHUNK_INDEX enum: used for indexing within 'kChunks' (defined below) only. +// Note: the reason for having two enums ('WebPChunkId' and 'CHUNK_INDEX') is to +// allow two different chunks to have the same id (e.g. WebPChunkId +// 'WEBP_CHUNK_IMAGE' can correspond to CHUNK_INDEX 'IDX_VP8' or 'IDX_VP8L'). +typedef enum { + IDX_VP8X = 0, + IDX_ICCP, + IDX_ANIM, + IDX_ANMF, + IDX_ALPHA, + IDX_VP8, + IDX_VP8L, + IDX_EXIF, + IDX_XMP, + IDX_UNKNOWN, + + IDX_NIL, + IDX_LAST_CHUNK +} CHUNK_INDEX; + +#define NIL_TAG 0x00000000u // To signal void chunk. + +typedef struct { + uint32_t tag; + WebPChunkId id; + uint32_t size; +} ChunkInfo; + +extern const ChunkInfo kChunks[IDX_LAST_CHUNK]; + +//------------------------------------------------------------------------------ +// Chunk object management. + +// Initialize. +void ChunkInit(WebPChunk* const chunk); + +// Get chunk index from chunk tag. Returns IDX_UNKNOWN if not found. +CHUNK_INDEX ChunkGetIndexFromTag(uint32_t tag); + +// Get chunk id from chunk tag. Returns WEBP_CHUNK_UNKNOWN if not found. +WebPChunkId ChunkGetIdFromTag(uint32_t tag); + +// Convert a fourcc string to a tag. +uint32_t ChunkGetTagFromFourCC(const char fourcc[4]); + +// Get chunk index from fourcc. Returns IDX_UNKNOWN if given fourcc is unknown. +CHUNK_INDEX ChunkGetIndexFromFourCC(const char fourcc[4]); + +// Search for nth chunk with given 'tag' in the chunk list. +// nth = 0 means "last of the list". +WebPChunk* ChunkSearchList(WebPChunk* first, uint32_t nth, uint32_t tag); + +// Fill the chunk with the given data. +WebPMuxError ChunkAssignData(WebPChunk* chunk, const WebPData* const data, + int copy_data, uint32_t tag); + +// Sets 'chunk' as the only element in 'chunk_list' if it is empty. +// On success ownership is transferred from 'chunk' to the 'chunk_list'. +WebPMuxError ChunkSetHead(WebPChunk* const chunk, WebPChunk** const chunk_list); +// Sets 'chunk' at last position in the 'chunk_list'. +// On success ownership is transferred from 'chunk' to the 'chunk_list'. +// *chunk_list also points towards the last valid element of the initial +// *chunk_list. +WebPMuxError ChunkAppend(WebPChunk* const chunk, WebPChunk*** const chunk_list); + +// Releases chunk and returns chunk->next_. +WebPChunk* ChunkRelease(WebPChunk* const chunk); + +// Deletes given chunk & returns chunk->next_. +WebPChunk* ChunkDelete(WebPChunk* const chunk); + +// Deletes all chunks in the given chunk list. +void ChunkListDelete(WebPChunk** const chunk_list); + +// Returns size of the chunk including chunk header and padding byte (if any). +static WEBP_INLINE size_t SizeWithPadding(size_t chunk_size) { + assert(chunk_size <= MAX_CHUNK_PAYLOAD); + return CHUNK_HEADER_SIZE + ((chunk_size + 1) & ~1U); +} + +// Size of a chunk including header and padding. +static WEBP_INLINE size_t ChunkDiskSize(const WebPChunk* chunk) { + const size_t data_size = chunk->data_.size; + return SizeWithPadding(data_size); +} + +// Total size of a list of chunks. +size_t ChunkListDiskSize(const WebPChunk* chunk_list); + +// Write out the given list of chunks into 'dst'. +uint8_t* ChunkListEmit(const WebPChunk* chunk_list, uint8_t* dst); + +//------------------------------------------------------------------------------ +// MuxImage object management. + +// Initialize. +void MuxImageInit(WebPMuxImage* const wpi); + +// Releases image 'wpi' and returns wpi->next. +WebPMuxImage* MuxImageRelease(WebPMuxImage* const wpi); + +// Delete image 'wpi' and return the next image in the list or NULL. +// 'wpi' can be NULL. +WebPMuxImage* MuxImageDelete(WebPMuxImage* const wpi); + +// Count number of images matching the given tag id in the 'wpi_list'. +// If id == WEBP_CHUNK_NIL, all images will be matched. +int MuxImageCount(const WebPMuxImage* wpi_list, WebPChunkId id); + +// Update width/height/has_alpha info from chunks within wpi. +// Also remove ALPH chunk if not needed. +int MuxImageFinalize(WebPMuxImage* const wpi); + +// Check if given ID corresponds to an image related chunk. +static WEBP_INLINE int IsWPI(WebPChunkId id) { + switch (id) { + case WEBP_CHUNK_ANMF: + case WEBP_CHUNK_ALPHA: + case WEBP_CHUNK_IMAGE: return 1; + default: return 0; + } +} + +// Pushes 'wpi' at the end of 'wpi_list'. +WebPMuxError MuxImagePush(const WebPMuxImage* wpi, WebPMuxImage** wpi_list); + +// Delete nth image in the image list. +WebPMuxError MuxImageDeleteNth(WebPMuxImage** wpi_list, uint32_t nth); + +// Get nth image in the image list. +WebPMuxError MuxImageGetNth(const WebPMuxImage** wpi_list, uint32_t nth, + WebPMuxImage** wpi); + +// Total size of the given image. +size_t MuxImageDiskSize(const WebPMuxImage* const wpi); + +// Write out the given image into 'dst'. +uint8_t* MuxImageEmit(const WebPMuxImage* const wpi, uint8_t* dst); + +//------------------------------------------------------------------------------ +// Helper methods for mux. + +// Checks if the given image list contains at least one image with alpha. +int MuxHasAlpha(const WebPMuxImage* images); + +// Write out RIFF header into 'data', given total data size 'size'. +uint8_t* MuxEmitRiffHeader(uint8_t* const data, size_t size); + +// Returns the list where chunk with given ID is to be inserted in mux. +WebPChunk** MuxGetChunkListFromId(const WebPMux* mux, WebPChunkId id); + +// Validates the given mux object. +WebPMuxError MuxValidate(const WebPMux* const mux); + +//------------------------------------------------------------------------------ + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_MUX_MUXI_H_ diff --git a/ProductApp/Pods/libwebp/src/mux/muxinternal.c b/ProductApp/Pods/libwebp/src/mux/muxinternal.c new file mode 100644 index 0000000..75b6b41 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/mux/muxinternal.c @@ -0,0 +1,549 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Internal objects and utils for mux. +// +// Authors: Urvang (urvang@google.com) +// Vikas (vikasa@google.com) + +#include +#include "src/mux/muxi.h" +#include "src/utils/utils.h" + +#define UNDEFINED_CHUNK_SIZE ((uint32_t)(-1)) + +const ChunkInfo kChunks[] = { + { MKFOURCC('V', 'P', '8', 'X'), WEBP_CHUNK_VP8X, VP8X_CHUNK_SIZE }, + { MKFOURCC('I', 'C', 'C', 'P'), WEBP_CHUNK_ICCP, UNDEFINED_CHUNK_SIZE }, + { MKFOURCC('A', 'N', 'I', 'M'), WEBP_CHUNK_ANIM, ANIM_CHUNK_SIZE }, + { MKFOURCC('A', 'N', 'M', 'F'), WEBP_CHUNK_ANMF, ANMF_CHUNK_SIZE }, + { MKFOURCC('A', 'L', 'P', 'H'), WEBP_CHUNK_ALPHA, UNDEFINED_CHUNK_SIZE }, + { MKFOURCC('V', 'P', '8', ' '), WEBP_CHUNK_IMAGE, UNDEFINED_CHUNK_SIZE }, + { MKFOURCC('V', 'P', '8', 'L'), WEBP_CHUNK_IMAGE, UNDEFINED_CHUNK_SIZE }, + { MKFOURCC('E', 'X', 'I', 'F'), WEBP_CHUNK_EXIF, UNDEFINED_CHUNK_SIZE }, + { MKFOURCC('X', 'M', 'P', ' '), WEBP_CHUNK_XMP, UNDEFINED_CHUNK_SIZE }, + { NIL_TAG, WEBP_CHUNK_UNKNOWN, UNDEFINED_CHUNK_SIZE }, + + { NIL_TAG, WEBP_CHUNK_NIL, UNDEFINED_CHUNK_SIZE } +}; + +//------------------------------------------------------------------------------ + +int WebPGetMuxVersion(void) { + return (MUX_MAJ_VERSION << 16) | (MUX_MIN_VERSION << 8) | MUX_REV_VERSION; +} + +//------------------------------------------------------------------------------ +// Life of a chunk object. + +void ChunkInit(WebPChunk* const chunk) { + assert(chunk); + memset(chunk, 0, sizeof(*chunk)); + chunk->tag_ = NIL_TAG; +} + +WebPChunk* ChunkRelease(WebPChunk* const chunk) { + WebPChunk* next; + if (chunk == NULL) return NULL; + if (chunk->owner_) { + WebPDataClear(&chunk->data_); + } + next = chunk->next_; + ChunkInit(chunk); + return next; +} + +//------------------------------------------------------------------------------ +// Chunk misc methods. + +CHUNK_INDEX ChunkGetIndexFromTag(uint32_t tag) { + int i; + for (i = 0; kChunks[i].tag != NIL_TAG; ++i) { + if (tag == kChunks[i].tag) return (CHUNK_INDEX)i; + } + return IDX_UNKNOWN; +} + +WebPChunkId ChunkGetIdFromTag(uint32_t tag) { + int i; + for (i = 0; kChunks[i].tag != NIL_TAG; ++i) { + if (tag == kChunks[i].tag) return kChunks[i].id; + } + return WEBP_CHUNK_UNKNOWN; +} + +uint32_t ChunkGetTagFromFourCC(const char fourcc[4]) { + return MKFOURCC(fourcc[0], fourcc[1], fourcc[2], fourcc[3]); +} + +CHUNK_INDEX ChunkGetIndexFromFourCC(const char fourcc[4]) { + const uint32_t tag = ChunkGetTagFromFourCC(fourcc); + return ChunkGetIndexFromTag(tag); +} + +//------------------------------------------------------------------------------ +// Chunk search methods. + +// Returns next chunk in the chunk list with the given tag. +static WebPChunk* ChunkSearchNextInList(WebPChunk* chunk, uint32_t tag) { + while (chunk != NULL && chunk->tag_ != tag) { + chunk = chunk->next_; + } + return chunk; +} + +WebPChunk* ChunkSearchList(WebPChunk* first, uint32_t nth, uint32_t tag) { + uint32_t iter = nth; + first = ChunkSearchNextInList(first, tag); + if (first == NULL) return NULL; + + while (--iter != 0) { + WebPChunk* next_chunk = ChunkSearchNextInList(first->next_, tag); + if (next_chunk == NULL) break; + first = next_chunk; + } + return ((nth > 0) && (iter > 0)) ? NULL : first; +} + +//------------------------------------------------------------------------------ +// Chunk writer methods. + +WebPMuxError ChunkAssignData(WebPChunk* chunk, const WebPData* const data, + int copy_data, uint32_t tag) { + // For internally allocated chunks, always copy data & make it owner of data. + if (tag == kChunks[IDX_VP8X].tag || tag == kChunks[IDX_ANIM].tag) { + copy_data = 1; + } + + ChunkRelease(chunk); + + if (data != NULL) { + if (copy_data) { // Copy data. + if (!WebPDataCopy(data, &chunk->data_)) return WEBP_MUX_MEMORY_ERROR; + chunk->owner_ = 1; // Chunk is owner of data. + } else { // Don't copy data. + chunk->data_ = *data; + } + } + chunk->tag_ = tag; + return WEBP_MUX_OK; +} + +WebPMuxError ChunkSetHead(WebPChunk* const chunk, + WebPChunk** const chunk_list) { + WebPChunk* new_chunk; + + assert(chunk_list != NULL); + if (*chunk_list != NULL) { + return WEBP_MUX_NOT_FOUND; + } + + new_chunk = (WebPChunk*)WebPSafeMalloc(1ULL, sizeof(*new_chunk)); + if (new_chunk == NULL) return WEBP_MUX_MEMORY_ERROR; + *new_chunk = *chunk; + chunk->owner_ = 0; + new_chunk->next_ = NULL; + *chunk_list = new_chunk; + return WEBP_MUX_OK; +} + +WebPMuxError ChunkAppend(WebPChunk* const chunk, + WebPChunk*** const chunk_list) { + WebPMuxError err; + assert(chunk_list != NULL && *chunk_list != NULL); + + if (**chunk_list == NULL) { + err = ChunkSetHead(chunk, *chunk_list); + } else { + WebPChunk* last_chunk = **chunk_list; + while (last_chunk->next_ != NULL) last_chunk = last_chunk->next_; + err = ChunkSetHead(chunk, &last_chunk->next_); + if (err == WEBP_MUX_OK) *chunk_list = &last_chunk->next_; + } + return err; +} + +//------------------------------------------------------------------------------ +// Chunk deletion method(s). + +WebPChunk* ChunkDelete(WebPChunk* const chunk) { + WebPChunk* const next = ChunkRelease(chunk); + WebPSafeFree(chunk); + return next; +} + +void ChunkListDelete(WebPChunk** const chunk_list) { + while (*chunk_list != NULL) { + *chunk_list = ChunkDelete(*chunk_list); + } +} + +//------------------------------------------------------------------------------ +// Chunk serialization methods. + +static uint8_t* ChunkEmit(const WebPChunk* const chunk, uint8_t* dst) { + const size_t chunk_size = chunk->data_.size; + assert(chunk); + assert(chunk->tag_ != NIL_TAG); + PutLE32(dst + 0, chunk->tag_); + PutLE32(dst + TAG_SIZE, (uint32_t)chunk_size); + assert(chunk_size == (uint32_t)chunk_size); + memcpy(dst + CHUNK_HEADER_SIZE, chunk->data_.bytes, chunk_size); + if (chunk_size & 1) + dst[CHUNK_HEADER_SIZE + chunk_size] = 0; // Add padding. + return dst + ChunkDiskSize(chunk); +} + +uint8_t* ChunkListEmit(const WebPChunk* chunk_list, uint8_t* dst) { + while (chunk_list != NULL) { + dst = ChunkEmit(chunk_list, dst); + chunk_list = chunk_list->next_; + } + return dst; +} + +size_t ChunkListDiskSize(const WebPChunk* chunk_list) { + size_t size = 0; + while (chunk_list != NULL) { + size += ChunkDiskSize(chunk_list); + chunk_list = chunk_list->next_; + } + return size; +} + +//------------------------------------------------------------------------------ +// Life of a MuxImage object. + +void MuxImageInit(WebPMuxImage* const wpi) { + assert(wpi); + memset(wpi, 0, sizeof(*wpi)); +} + +WebPMuxImage* MuxImageRelease(WebPMuxImage* const wpi) { + WebPMuxImage* next; + if (wpi == NULL) return NULL; + // There should be at most one chunk of header_, alpha_, img_ but we call + // ChunkListDelete to be safe + ChunkListDelete(&wpi->header_); + ChunkListDelete(&wpi->alpha_); + ChunkListDelete(&wpi->img_); + ChunkListDelete(&wpi->unknown_); + + next = wpi->next_; + MuxImageInit(wpi); + return next; +} + +//------------------------------------------------------------------------------ +// MuxImage search methods. + +// Get a reference to appropriate chunk list within an image given chunk tag. +static WebPChunk** GetChunkListFromId(const WebPMuxImage* const wpi, + WebPChunkId id) { + assert(wpi != NULL); + switch (id) { + case WEBP_CHUNK_ANMF: return (WebPChunk**)&wpi->header_; + case WEBP_CHUNK_ALPHA: return (WebPChunk**)&wpi->alpha_; + case WEBP_CHUNK_IMAGE: return (WebPChunk**)&wpi->img_; + default: return NULL; + } +} + +int MuxImageCount(const WebPMuxImage* wpi_list, WebPChunkId id) { + int count = 0; + const WebPMuxImage* current; + for (current = wpi_list; current != NULL; current = current->next_) { + if (id == WEBP_CHUNK_NIL) { + ++count; // Special case: count all images. + } else { + const WebPChunk* const wpi_chunk = *GetChunkListFromId(current, id); + if (wpi_chunk != NULL) { + const WebPChunkId wpi_chunk_id = ChunkGetIdFromTag(wpi_chunk->tag_); + if (wpi_chunk_id == id) ++count; // Count images with a matching 'id'. + } + } + } + return count; +} + +// Outputs a pointer to 'prev_wpi->next_', +// where 'prev_wpi' is the pointer to the image at position (nth - 1). +// Returns true if nth image was found. +static int SearchImageToGetOrDelete(WebPMuxImage** wpi_list, uint32_t nth, + WebPMuxImage*** const location) { + uint32_t count = 0; + assert(wpi_list); + *location = wpi_list; + + if (nth == 0) { + nth = MuxImageCount(*wpi_list, WEBP_CHUNK_NIL); + if (nth == 0) return 0; // Not found. + } + + while (*wpi_list != NULL) { + WebPMuxImage* const cur_wpi = *wpi_list; + ++count; + if (count == nth) return 1; // Found. + wpi_list = &cur_wpi->next_; + *location = wpi_list; + } + return 0; // Not found. +} + +//------------------------------------------------------------------------------ +// MuxImage writer methods. + +WebPMuxError MuxImagePush(const WebPMuxImage* wpi, WebPMuxImage** wpi_list) { + WebPMuxImage* new_wpi; + + while (*wpi_list != NULL) { + WebPMuxImage* const cur_wpi = *wpi_list; + if (cur_wpi->next_ == NULL) break; + wpi_list = &cur_wpi->next_; + } + + new_wpi = (WebPMuxImage*)WebPSafeMalloc(1ULL, sizeof(*new_wpi)); + if (new_wpi == NULL) return WEBP_MUX_MEMORY_ERROR; + *new_wpi = *wpi; + new_wpi->next_ = NULL; + + if (*wpi_list != NULL) { + (*wpi_list)->next_ = new_wpi; + } else { + *wpi_list = new_wpi; + } + return WEBP_MUX_OK; +} + +//------------------------------------------------------------------------------ +// MuxImage deletion methods. + +WebPMuxImage* MuxImageDelete(WebPMuxImage* const wpi) { + // Delete the components of wpi. If wpi is NULL this is a noop. + WebPMuxImage* const next = MuxImageRelease(wpi); + WebPSafeFree(wpi); + return next; +} + +WebPMuxError MuxImageDeleteNth(WebPMuxImage** wpi_list, uint32_t nth) { + assert(wpi_list); + if (!SearchImageToGetOrDelete(wpi_list, nth, &wpi_list)) { + return WEBP_MUX_NOT_FOUND; + } + *wpi_list = MuxImageDelete(*wpi_list); + return WEBP_MUX_OK; +} + +//------------------------------------------------------------------------------ +// MuxImage reader methods. + +WebPMuxError MuxImageGetNth(const WebPMuxImage** wpi_list, uint32_t nth, + WebPMuxImage** wpi) { + assert(wpi_list); + assert(wpi); + if (!SearchImageToGetOrDelete((WebPMuxImage**)wpi_list, nth, + (WebPMuxImage***)&wpi_list)) { + return WEBP_MUX_NOT_FOUND; + } + *wpi = (WebPMuxImage*)*wpi_list; + return WEBP_MUX_OK; +} + +//------------------------------------------------------------------------------ +// MuxImage serialization methods. + +// Size of an image. +size_t MuxImageDiskSize(const WebPMuxImage* const wpi) { + size_t size = 0; + if (wpi->header_ != NULL) size += ChunkDiskSize(wpi->header_); + if (wpi->alpha_ != NULL) size += ChunkDiskSize(wpi->alpha_); + if (wpi->img_ != NULL) size += ChunkDiskSize(wpi->img_); + if (wpi->unknown_ != NULL) size += ChunkListDiskSize(wpi->unknown_); + return size; +} + +// Special case as ANMF chunk encapsulates other image chunks. +static uint8_t* ChunkEmitSpecial(const WebPChunk* const header, + size_t total_size, uint8_t* dst) { + const size_t header_size = header->data_.size; + const size_t offset_to_next = total_size - CHUNK_HEADER_SIZE; + assert(header->tag_ == kChunks[IDX_ANMF].tag); + PutLE32(dst + 0, header->tag_); + PutLE32(dst + TAG_SIZE, (uint32_t)offset_to_next); + assert(header_size == (uint32_t)header_size); + memcpy(dst + CHUNK_HEADER_SIZE, header->data_.bytes, header_size); + if (header_size & 1) { + dst[CHUNK_HEADER_SIZE + header_size] = 0; // Add padding. + } + return dst + ChunkDiskSize(header); +} + +uint8_t* MuxImageEmit(const WebPMuxImage* const wpi, uint8_t* dst) { + // Ordering of chunks to be emitted is strictly as follows: + // 1. ANMF chunk (if present). + // 2. ALPH chunk (if present). + // 3. VP8/VP8L chunk. + assert(wpi); + if (wpi->header_ != NULL) { + dst = ChunkEmitSpecial(wpi->header_, MuxImageDiskSize(wpi), dst); + } + if (wpi->alpha_ != NULL) dst = ChunkEmit(wpi->alpha_, dst); + if (wpi->img_ != NULL) dst = ChunkEmit(wpi->img_, dst); + if (wpi->unknown_ != NULL) dst = ChunkListEmit(wpi->unknown_, dst); + return dst; +} + +//------------------------------------------------------------------------------ +// Helper methods for mux. + +int MuxHasAlpha(const WebPMuxImage* images) { + while (images != NULL) { + if (images->has_alpha_) return 1; + images = images->next_; + } + return 0; +} + +uint8_t* MuxEmitRiffHeader(uint8_t* const data, size_t size) { + PutLE32(data + 0, MKFOURCC('R', 'I', 'F', 'F')); + PutLE32(data + TAG_SIZE, (uint32_t)size - CHUNK_HEADER_SIZE); + assert(size == (uint32_t)size); + PutLE32(data + TAG_SIZE + CHUNK_SIZE_BYTES, MKFOURCC('W', 'E', 'B', 'P')); + return data + RIFF_HEADER_SIZE; +} + +WebPChunk** MuxGetChunkListFromId(const WebPMux* mux, WebPChunkId id) { + assert(mux != NULL); + switch (id) { + case WEBP_CHUNK_VP8X: return (WebPChunk**)&mux->vp8x_; + case WEBP_CHUNK_ICCP: return (WebPChunk**)&mux->iccp_; + case WEBP_CHUNK_ANIM: return (WebPChunk**)&mux->anim_; + case WEBP_CHUNK_EXIF: return (WebPChunk**)&mux->exif_; + case WEBP_CHUNK_XMP: return (WebPChunk**)&mux->xmp_; + default: return (WebPChunk**)&mux->unknown_; + } +} + +static int IsNotCompatible(int feature, int num_items) { + return (feature != 0) != (num_items > 0); +} + +#define NO_FLAG ((WebPFeatureFlags)0) + +// Test basic constraints: +// retrieval, maximum number of chunks by index (use -1 to skip) +// and feature incompatibility (use NO_FLAG to skip). +// On success returns WEBP_MUX_OK and stores the chunk count in *num. +static WebPMuxError ValidateChunk(const WebPMux* const mux, CHUNK_INDEX idx, + WebPFeatureFlags feature, + uint32_t vp8x_flags, + int max, int* num) { + const WebPMuxError err = + WebPMuxNumChunks(mux, kChunks[idx].id, num); + if (err != WEBP_MUX_OK) return err; + if (max > -1 && *num > max) return WEBP_MUX_INVALID_ARGUMENT; + if (feature != NO_FLAG && IsNotCompatible(vp8x_flags & feature, *num)) { + return WEBP_MUX_INVALID_ARGUMENT; + } + return WEBP_MUX_OK; +} + +WebPMuxError MuxValidate(const WebPMux* const mux) { + int num_iccp; + int num_exif; + int num_xmp; + int num_anim; + int num_frames; + int num_vp8x; + int num_images; + int num_alpha; + uint32_t flags; + WebPMuxError err; + + // Verify mux is not NULL. + if (mux == NULL) return WEBP_MUX_INVALID_ARGUMENT; + + // Verify mux has at least one image. + if (mux->images_ == NULL) return WEBP_MUX_INVALID_ARGUMENT; + + err = WebPMuxGetFeatures(mux, &flags); + if (err != WEBP_MUX_OK) return err; + + // At most one color profile chunk. + err = ValidateChunk(mux, IDX_ICCP, ICCP_FLAG, flags, 1, &num_iccp); + if (err != WEBP_MUX_OK) return err; + + // At most one EXIF metadata. + err = ValidateChunk(mux, IDX_EXIF, EXIF_FLAG, flags, 1, &num_exif); + if (err != WEBP_MUX_OK) return err; + + // At most one XMP metadata. + err = ValidateChunk(mux, IDX_XMP, XMP_FLAG, flags, 1, &num_xmp); + if (err != WEBP_MUX_OK) return err; + + // Animation: ANIMATION_FLAG, ANIM chunk and ANMF chunk(s) are consistent. + // At most one ANIM chunk. + err = ValidateChunk(mux, IDX_ANIM, NO_FLAG, flags, 1, &num_anim); + if (err != WEBP_MUX_OK) return err; + err = ValidateChunk(mux, IDX_ANMF, NO_FLAG, flags, -1, &num_frames); + if (err != WEBP_MUX_OK) return err; + + { + const int has_animation = !!(flags & ANIMATION_FLAG); + if (has_animation && (num_anim == 0 || num_frames == 0)) { + return WEBP_MUX_INVALID_ARGUMENT; + } + if (!has_animation && (num_anim == 1 || num_frames > 0)) { + return WEBP_MUX_INVALID_ARGUMENT; + } + if (!has_animation) { + const WebPMuxImage* images = mux->images_; + // There can be only one image. + if (images == NULL || images->next_ != NULL) { + return WEBP_MUX_INVALID_ARGUMENT; + } + // Size must match. + if (mux->canvas_width_ > 0) { + if (images->width_ != mux->canvas_width_ || + images->height_ != mux->canvas_height_) { + return WEBP_MUX_INVALID_ARGUMENT; + } + } + } + } + + // Verify either VP8X chunk is present OR there is only one elem in + // mux->images_. + err = ValidateChunk(mux, IDX_VP8X, NO_FLAG, flags, 1, &num_vp8x); + if (err != WEBP_MUX_OK) return err; + err = ValidateChunk(mux, IDX_VP8, NO_FLAG, flags, -1, &num_images); + if (err != WEBP_MUX_OK) return err; + if (num_vp8x == 0 && num_images != 1) return WEBP_MUX_INVALID_ARGUMENT; + + // ALPHA_FLAG & alpha chunk(s) are consistent. + // Note: ALPHA_FLAG can be set when there is actually no Alpha data present. + if (MuxHasAlpha(mux->images_)) { + if (num_vp8x > 0) { + // VP8X chunk is present, so it should contain ALPHA_FLAG. + if (!(flags & ALPHA_FLAG)) return WEBP_MUX_INVALID_ARGUMENT; + } else { + // VP8X chunk is not present, so ALPH chunks should NOT be present either. + err = WebPMuxNumChunks(mux, WEBP_CHUNK_ALPHA, &num_alpha); + if (err != WEBP_MUX_OK) return err; + if (num_alpha > 0) return WEBP_MUX_INVALID_ARGUMENT; + } + } + + return WEBP_MUX_OK; +} + +#undef NO_FLAG + +//------------------------------------------------------------------------------ + diff --git a/ProductApp/Pods/libwebp/src/mux/muxread.c b/ProductApp/Pods/libwebp/src/mux/muxread.c new file mode 100644 index 0000000..9862ec6 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/mux/muxread.c @@ -0,0 +1,557 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Read APIs for mux. +// +// Authors: Urvang (urvang@google.com) +// Vikas (vikasa@google.com) + +#include +#include "src/mux/muxi.h" +#include "src/utils/utils.h" + +//------------------------------------------------------------------------------ +// Helper method(s). + +// Handy MACRO. +#define SWITCH_ID_LIST(INDEX, LIST) \ + if (idx == (INDEX)) { \ + const WebPChunk* const chunk = ChunkSearchList((LIST), nth, \ + kChunks[(INDEX)].tag); \ + if (chunk) { \ + *data = chunk->data_; \ + return WEBP_MUX_OK; \ + } else { \ + return WEBP_MUX_NOT_FOUND; \ + } \ + } + +static WebPMuxError MuxGet(const WebPMux* const mux, CHUNK_INDEX idx, + uint32_t nth, WebPData* const data) { + assert(mux != NULL); + assert(!IsWPI(kChunks[idx].id)); + WebPDataInit(data); + + SWITCH_ID_LIST(IDX_VP8X, mux->vp8x_); + SWITCH_ID_LIST(IDX_ICCP, mux->iccp_); + SWITCH_ID_LIST(IDX_ANIM, mux->anim_); + SWITCH_ID_LIST(IDX_EXIF, mux->exif_); + SWITCH_ID_LIST(IDX_XMP, mux->xmp_); + assert(idx != IDX_UNKNOWN); + return WEBP_MUX_NOT_FOUND; +} +#undef SWITCH_ID_LIST + +// Fill the chunk with the given data (includes chunk header bytes), after some +// verifications. +static WebPMuxError ChunkVerifyAndAssign(WebPChunk* chunk, + const uint8_t* data, size_t data_size, + size_t riff_size, int copy_data) { + uint32_t chunk_size; + WebPData chunk_data; + + // Correctness checks. + if (data_size < CHUNK_HEADER_SIZE) return WEBP_MUX_NOT_ENOUGH_DATA; + chunk_size = GetLE32(data + TAG_SIZE); + if (chunk_size > MAX_CHUNK_PAYLOAD) return WEBP_MUX_BAD_DATA; + + { + const size_t chunk_disk_size = SizeWithPadding(chunk_size); + if (chunk_disk_size > riff_size) return WEBP_MUX_BAD_DATA; + if (chunk_disk_size > data_size) return WEBP_MUX_NOT_ENOUGH_DATA; + } + + // Data assignment. + chunk_data.bytes = data + CHUNK_HEADER_SIZE; + chunk_data.size = chunk_size; + return ChunkAssignData(chunk, &chunk_data, copy_data, GetLE32(data + 0)); +} + +int MuxImageFinalize(WebPMuxImage* const wpi) { + const WebPChunk* const img = wpi->img_; + const WebPData* const image = &img->data_; + const int is_lossless = (img->tag_ == kChunks[IDX_VP8L].tag); + int w, h; + int vp8l_has_alpha = 0; + const int ok = is_lossless ? + VP8LGetInfo(image->bytes, image->size, &w, &h, &vp8l_has_alpha) : + VP8GetInfo(image->bytes, image->size, image->size, &w, &h); + assert(img != NULL); + if (ok) { + // Ignore ALPH chunk accompanying VP8L. + if (is_lossless && (wpi->alpha_ != NULL)) { + ChunkDelete(wpi->alpha_); + wpi->alpha_ = NULL; + } + wpi->width_ = w; + wpi->height_ = h; + wpi->has_alpha_ = vp8l_has_alpha || (wpi->alpha_ != NULL); + } + return ok; +} + +static int MuxImageParse(const WebPChunk* const chunk, int copy_data, + WebPMuxImage* const wpi) { + const uint8_t* bytes = chunk->data_.bytes; + size_t size = chunk->data_.size; + const uint8_t* const last = (bytes == NULL) ? NULL : bytes + size; + WebPChunk subchunk; + size_t subchunk_size; + WebPChunk** unknown_chunk_list = &wpi->unknown_; + ChunkInit(&subchunk); + + assert(chunk->tag_ == kChunks[IDX_ANMF].tag); + assert(!wpi->is_partial_); + + // ANMF. + { + const size_t hdr_size = ANMF_CHUNK_SIZE; + const WebPData temp = { bytes, hdr_size }; + // Each of ANMF chunk contain a header at the beginning. So, its size should + // be at least 'hdr_size'. + if (size < hdr_size) goto Fail; + if (ChunkAssignData(&subchunk, &temp, copy_data, + chunk->tag_) != WEBP_MUX_OK) { + goto Fail; + } + } + if (ChunkSetHead(&subchunk, &wpi->header_) != WEBP_MUX_OK) goto Fail; + wpi->is_partial_ = 1; // Waiting for ALPH and/or VP8/VP8L chunks. + + // Rest of the chunks. + subchunk_size = ChunkDiskSize(&subchunk) - CHUNK_HEADER_SIZE; + bytes += subchunk_size; + size -= subchunk_size; + + while (bytes != last) { + ChunkInit(&subchunk); + if (ChunkVerifyAndAssign(&subchunk, bytes, size, size, + copy_data) != WEBP_MUX_OK) { + goto Fail; + } + switch (ChunkGetIdFromTag(subchunk.tag_)) { + case WEBP_CHUNK_ALPHA: + if (wpi->alpha_ != NULL) goto Fail; // Consecutive ALPH chunks. + if (ChunkSetHead(&subchunk, &wpi->alpha_) != WEBP_MUX_OK) goto Fail; + wpi->is_partial_ = 1; // Waiting for a VP8 chunk. + break; + case WEBP_CHUNK_IMAGE: + if (wpi->img_ != NULL) goto Fail; // Only 1 image chunk allowed. + if (ChunkSetHead(&subchunk, &wpi->img_) != WEBP_MUX_OK) goto Fail; + if (!MuxImageFinalize(wpi)) goto Fail; + wpi->is_partial_ = 0; // wpi is completely filled. + break; + case WEBP_CHUNK_UNKNOWN: + if (wpi->is_partial_) { + goto Fail; // Encountered an unknown chunk + // before some image chunks. + } + if (ChunkAppend(&subchunk, &unknown_chunk_list) != WEBP_MUX_OK) { + goto Fail; + } + break; + default: + goto Fail; + } + subchunk_size = ChunkDiskSize(&subchunk); + bytes += subchunk_size; + size -= subchunk_size; + } + if (wpi->is_partial_) goto Fail; + return 1; + + Fail: + ChunkRelease(&subchunk); + return 0; +} + +//------------------------------------------------------------------------------ +// Create a mux object from WebP-RIFF data. + +WebPMux* WebPMuxCreateInternal(const WebPData* bitstream, int copy_data, + int version) { + size_t riff_size; + uint32_t tag; + const uint8_t* end; + WebPMux* mux = NULL; + WebPMuxImage* wpi = NULL; + const uint8_t* data; + size_t size; + WebPChunk chunk; + // Stores the end of the chunk lists so that it is faster to append data to + // their ends. + WebPChunk** chunk_list_ends[WEBP_CHUNK_NIL + 1] = { NULL }; + ChunkInit(&chunk); + + if (WEBP_ABI_IS_INCOMPATIBLE(version, WEBP_MUX_ABI_VERSION)) { + return NULL; // version mismatch + } + if (bitstream == NULL) return NULL; + + data = bitstream->bytes; + size = bitstream->size; + + if (data == NULL) return NULL; + if (size < RIFF_HEADER_SIZE + CHUNK_HEADER_SIZE) return NULL; + if (GetLE32(data + 0) != MKFOURCC('R', 'I', 'F', 'F') || + GetLE32(data + CHUNK_HEADER_SIZE) != MKFOURCC('W', 'E', 'B', 'P')) { + return NULL; + } + + mux = WebPMuxNew(); + if (mux == NULL) return NULL; + + tag = GetLE32(data + RIFF_HEADER_SIZE); + if (tag != kChunks[IDX_VP8].tag && + tag != kChunks[IDX_VP8L].tag && + tag != kChunks[IDX_VP8X].tag) { + goto Err; // First chunk should be VP8, VP8L or VP8X. + } + + riff_size = GetLE32(data + TAG_SIZE); + if (riff_size > MAX_CHUNK_PAYLOAD) goto Err; + + // Note this padding is historical and differs from demux.c which does not + // pad the file size. + riff_size = SizeWithPadding(riff_size); + if (riff_size < CHUNK_HEADER_SIZE) goto Err; + if (riff_size > size) goto Err; + // There's no point in reading past the end of the RIFF chunk. + if (size > riff_size + CHUNK_HEADER_SIZE) { + size = riff_size + CHUNK_HEADER_SIZE; + } + + end = data + size; + data += RIFF_HEADER_SIZE; + size -= RIFF_HEADER_SIZE; + + wpi = (WebPMuxImage*)WebPSafeMalloc(1ULL, sizeof(*wpi)); + if (wpi == NULL) goto Err; + MuxImageInit(wpi); + + // Loop over chunks. + while (data != end) { + size_t data_size; + WebPChunkId id; + if (ChunkVerifyAndAssign(&chunk, data, size, riff_size, + copy_data) != WEBP_MUX_OK) { + goto Err; + } + data_size = ChunkDiskSize(&chunk); + id = ChunkGetIdFromTag(chunk.tag_); + switch (id) { + case WEBP_CHUNK_ALPHA: + if (wpi->alpha_ != NULL) goto Err; // Consecutive ALPH chunks. + if (ChunkSetHead(&chunk, &wpi->alpha_) != WEBP_MUX_OK) goto Err; + wpi->is_partial_ = 1; // Waiting for a VP8 chunk. + break; + case WEBP_CHUNK_IMAGE: + if (ChunkSetHead(&chunk, &wpi->img_) != WEBP_MUX_OK) goto Err; + if (!MuxImageFinalize(wpi)) goto Err; + wpi->is_partial_ = 0; // wpi is completely filled. + PushImage: + // Add this to mux->images_ list. + if (MuxImagePush(wpi, &mux->images_) != WEBP_MUX_OK) goto Err; + MuxImageInit(wpi); // Reset for reading next image. + break; + case WEBP_CHUNK_ANMF: + if (wpi->is_partial_) goto Err; // Previous wpi is still incomplete. + if (!MuxImageParse(&chunk, copy_data, wpi)) goto Err; + ChunkRelease(&chunk); + goto PushImage; + default: // A non-image chunk. + if (wpi->is_partial_) goto Err; // Encountered a non-image chunk before + // getting all chunks of an image. + if (chunk_list_ends[id] == NULL) { + chunk_list_ends[id] = + MuxGetChunkListFromId(mux, id); // List to add this chunk. + } + if (ChunkAppend(&chunk, &chunk_list_ends[id]) != WEBP_MUX_OK) goto Err; + if (id == WEBP_CHUNK_VP8X) { // grab global specs + if (data_size < CHUNK_HEADER_SIZE + VP8X_CHUNK_SIZE) goto Err; + mux->canvas_width_ = GetLE24(data + 12) + 1; + mux->canvas_height_ = GetLE24(data + 15) + 1; + } + break; + } + data += data_size; + size -= data_size; + ChunkInit(&chunk); + } + + // Incomplete image. + if (wpi->is_partial_) goto Err; + + // Validate mux if complete. + if (MuxValidate(mux) != WEBP_MUX_OK) goto Err; + + MuxImageDelete(wpi); + return mux; // All OK; + + Err: // Something bad happened. + ChunkRelease(&chunk); + MuxImageDelete(wpi); + WebPMuxDelete(mux); + return NULL; +} + +//------------------------------------------------------------------------------ +// Get API(s). + +// Validates that the given mux has a single image. +static WebPMuxError ValidateForSingleImage(const WebPMux* const mux) { + const int num_images = MuxImageCount(mux->images_, WEBP_CHUNK_IMAGE); + const int num_frames = MuxImageCount(mux->images_, WEBP_CHUNK_ANMF); + + if (num_images == 0) { + // No images in mux. + return WEBP_MUX_NOT_FOUND; + } else if (num_images == 1 && num_frames == 0) { + // Valid case (single image). + return WEBP_MUX_OK; + } else { + // Frame case OR an invalid mux. + return WEBP_MUX_INVALID_ARGUMENT; + } +} + +// Get the canvas width, height and flags after validating that VP8X/VP8/VP8L +// chunk and canvas size are valid. +static WebPMuxError MuxGetCanvasInfo(const WebPMux* const mux, + int* width, int* height, uint32_t* flags) { + int w, h; + uint32_t f = 0; + WebPData data; + assert(mux != NULL); + + // Check if VP8X chunk is present. + if (MuxGet(mux, IDX_VP8X, 1, &data) == WEBP_MUX_OK) { + if (data.size < VP8X_CHUNK_SIZE) return WEBP_MUX_BAD_DATA; + f = GetLE32(data.bytes + 0); + w = GetLE24(data.bytes + 4) + 1; + h = GetLE24(data.bytes + 7) + 1; + } else { + const WebPMuxImage* const wpi = mux->images_; + // Grab user-forced canvas size as default. + w = mux->canvas_width_; + h = mux->canvas_height_; + if (w == 0 && h == 0 && ValidateForSingleImage(mux) == WEBP_MUX_OK) { + // single image and not forced canvas size => use dimension of first frame + assert(wpi != NULL); + w = wpi->width_; + h = wpi->height_; + } + if (wpi != NULL) { + if (wpi->has_alpha_) f |= ALPHA_FLAG; + } + } + if (w * (uint64_t)h >= MAX_IMAGE_AREA) return WEBP_MUX_BAD_DATA; + + if (width != NULL) *width = w; + if (height != NULL) *height = h; + if (flags != NULL) *flags = f; + return WEBP_MUX_OK; +} + +WebPMuxError WebPMuxGetCanvasSize(const WebPMux* mux, int* width, int* height) { + if (mux == NULL || width == NULL || height == NULL) { + return WEBP_MUX_INVALID_ARGUMENT; + } + return MuxGetCanvasInfo(mux, width, height, NULL); +} + +WebPMuxError WebPMuxGetFeatures(const WebPMux* mux, uint32_t* flags) { + if (mux == NULL || flags == NULL) return WEBP_MUX_INVALID_ARGUMENT; + return MuxGetCanvasInfo(mux, NULL, NULL, flags); +} + +static uint8_t* EmitVP8XChunk(uint8_t* const dst, int width, + int height, uint32_t flags) { + const size_t vp8x_size = CHUNK_HEADER_SIZE + VP8X_CHUNK_SIZE; + assert(width >= 1 && height >= 1); + assert(width <= MAX_CANVAS_SIZE && height <= MAX_CANVAS_SIZE); + assert(width * (uint64_t)height < MAX_IMAGE_AREA); + PutLE32(dst, MKFOURCC('V', 'P', '8', 'X')); + PutLE32(dst + TAG_SIZE, VP8X_CHUNK_SIZE); + PutLE32(dst + CHUNK_HEADER_SIZE, flags); + PutLE24(dst + CHUNK_HEADER_SIZE + 4, width - 1); + PutLE24(dst + CHUNK_HEADER_SIZE + 7, height - 1); + return dst + vp8x_size; +} + +// Assemble a single image WebP bitstream from 'wpi'. +static WebPMuxError SynthesizeBitstream(const WebPMuxImage* const wpi, + WebPData* const bitstream) { + uint8_t* dst; + + // Allocate data. + const int need_vp8x = (wpi->alpha_ != NULL); + const size_t vp8x_size = need_vp8x ? CHUNK_HEADER_SIZE + VP8X_CHUNK_SIZE : 0; + const size_t alpha_size = need_vp8x ? ChunkDiskSize(wpi->alpha_) : 0; + // Note: No need to output ANMF chunk for a single image. + const size_t size = RIFF_HEADER_SIZE + vp8x_size + alpha_size + + ChunkDiskSize(wpi->img_); + uint8_t* const data = (uint8_t*)WebPSafeMalloc(1ULL, size); + if (data == NULL) return WEBP_MUX_MEMORY_ERROR; + + // There should be at most one alpha_ chunk and exactly one img_ chunk. + assert(wpi->alpha_ == NULL || wpi->alpha_->next_ == NULL); + assert(wpi->img_ != NULL && wpi->img_->next_ == NULL); + + // Main RIFF header. + dst = MuxEmitRiffHeader(data, size); + + if (need_vp8x) { + dst = EmitVP8XChunk(dst, wpi->width_, wpi->height_, ALPHA_FLAG); // VP8X. + dst = ChunkListEmit(wpi->alpha_, dst); // ALPH. + } + + // Bitstream. + dst = ChunkListEmit(wpi->img_, dst); + assert(dst == data + size); + + // Output. + bitstream->bytes = data; + bitstream->size = size; + return WEBP_MUX_OK; +} + +WebPMuxError WebPMuxGetChunk(const WebPMux* mux, const char fourcc[4], + WebPData* chunk_data) { + CHUNK_INDEX idx; + if (mux == NULL || fourcc == NULL || chunk_data == NULL) { + return WEBP_MUX_INVALID_ARGUMENT; + } + idx = ChunkGetIndexFromFourCC(fourcc); + if (IsWPI(kChunks[idx].id)) { // An image chunk. + return WEBP_MUX_INVALID_ARGUMENT; + } else if (idx != IDX_UNKNOWN) { // A known chunk type. + return MuxGet(mux, idx, 1, chunk_data); + } else { // An unknown chunk type. + const WebPChunk* const chunk = + ChunkSearchList(mux->unknown_, 1, ChunkGetTagFromFourCC(fourcc)); + if (chunk == NULL) return WEBP_MUX_NOT_FOUND; + *chunk_data = chunk->data_; + return WEBP_MUX_OK; + } +} + +static WebPMuxError MuxGetImageInternal(const WebPMuxImage* const wpi, + WebPMuxFrameInfo* const info) { + // Set some defaults for unrelated fields. + info->x_offset = 0; + info->y_offset = 0; + info->duration = 1; + info->dispose_method = WEBP_MUX_DISPOSE_NONE; + info->blend_method = WEBP_MUX_BLEND; + // Extract data for related fields. + info->id = ChunkGetIdFromTag(wpi->img_->tag_); + return SynthesizeBitstream(wpi, &info->bitstream); +} + +static WebPMuxError MuxGetFrameInternal(const WebPMuxImage* const wpi, + WebPMuxFrameInfo* const frame) { + const int is_frame = (wpi->header_->tag_ == kChunks[IDX_ANMF].tag); + const WebPData* frame_data; + if (!is_frame) return WEBP_MUX_INVALID_ARGUMENT; + assert(wpi->header_ != NULL); // Already checked by WebPMuxGetFrame(). + // Get frame chunk. + frame_data = &wpi->header_->data_; + if (frame_data->size < kChunks[IDX_ANMF].size) return WEBP_MUX_BAD_DATA; + // Extract info. + frame->x_offset = 2 * GetLE24(frame_data->bytes + 0); + frame->y_offset = 2 * GetLE24(frame_data->bytes + 3); + { + const uint8_t bits = frame_data->bytes[15]; + frame->duration = GetLE24(frame_data->bytes + 12); + frame->dispose_method = + (bits & 1) ? WEBP_MUX_DISPOSE_BACKGROUND : WEBP_MUX_DISPOSE_NONE; + frame->blend_method = (bits & 2) ? WEBP_MUX_NO_BLEND : WEBP_MUX_BLEND; + } + frame->id = ChunkGetIdFromTag(wpi->header_->tag_); + return SynthesizeBitstream(wpi, &frame->bitstream); +} + +WebPMuxError WebPMuxGetFrame( + const WebPMux* mux, uint32_t nth, WebPMuxFrameInfo* frame) { + WebPMuxError err; + WebPMuxImage* wpi; + + if (mux == NULL || frame == NULL) { + return WEBP_MUX_INVALID_ARGUMENT; + } + + // Get the nth WebPMuxImage. + err = MuxImageGetNth((const WebPMuxImage**)&mux->images_, nth, &wpi); + if (err != WEBP_MUX_OK) return err; + + // Get frame info. + if (wpi->header_ == NULL) { + return MuxGetImageInternal(wpi, frame); + } else { + return MuxGetFrameInternal(wpi, frame); + } +} + +WebPMuxError WebPMuxGetAnimationParams(const WebPMux* mux, + WebPMuxAnimParams* params) { + WebPData anim; + WebPMuxError err; + + if (mux == NULL || params == NULL) return WEBP_MUX_INVALID_ARGUMENT; + + err = MuxGet(mux, IDX_ANIM, 1, &anim); + if (err != WEBP_MUX_OK) return err; + if (anim.size < kChunks[WEBP_CHUNK_ANIM].size) return WEBP_MUX_BAD_DATA; + params->bgcolor = GetLE32(anim.bytes); + params->loop_count = GetLE16(anim.bytes + 4); + + return WEBP_MUX_OK; +} + +// Get chunk index from chunk id. Returns IDX_NIL if not found. +static CHUNK_INDEX ChunkGetIndexFromId(WebPChunkId id) { + int i; + for (i = 0; kChunks[i].id != WEBP_CHUNK_NIL; ++i) { + if (id == kChunks[i].id) return (CHUNK_INDEX)i; + } + return IDX_NIL; +} + +// Count number of chunks matching 'tag' in the 'chunk_list'. +// If tag == NIL_TAG, any tag will be matched. +static int CountChunks(const WebPChunk* const chunk_list, uint32_t tag) { + int count = 0; + const WebPChunk* current; + for (current = chunk_list; current != NULL; current = current->next_) { + if (tag == NIL_TAG || current->tag_ == tag) { + count++; // Count chunks whose tags match. + } + } + return count; +} + +WebPMuxError WebPMuxNumChunks(const WebPMux* mux, + WebPChunkId id, int* num_elements) { + if (mux == NULL || num_elements == NULL) { + return WEBP_MUX_INVALID_ARGUMENT; + } + + if (IsWPI(id)) { + *num_elements = MuxImageCount(mux->images_, id); + } else { + WebPChunk* const* chunk_list = MuxGetChunkListFromId(mux, id); + const CHUNK_INDEX idx = ChunkGetIndexFromId(id); + *num_elements = CountChunks(*chunk_list, kChunks[idx].tag); + } + + return WEBP_MUX_OK; +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/utils/Makefile.am b/ProductApp/Pods/libwebp/src/utils/Makefile.am new file mode 100644 index 0000000..a4bff8b --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/Makefile.am @@ -0,0 +1,52 @@ +AM_CPPFLAGS += -I$(top_builddir) -I$(top_srcdir) +noinst_LTLIBRARIES = libwebputils.la + +if BUILD_LIBWEBPDECODER + noinst_LTLIBRARIES += libwebputilsdecode.la +endif + +common_HEADERS = ../webp/types.h +commondir = $(includedir)/webp + +noinst_HEADERS = +noinst_HEADERS += ../dsp/cpu.h +noinst_HEADERS += ../dsp/dsp.h +noinst_HEADERS += ../webp/decode.h +noinst_HEADERS += ../webp/encode.h +noinst_HEADERS += ../webp/format_constants.h + +COMMON_SOURCES = +COMMON_SOURCES += bit_reader_utils.c +COMMON_SOURCES += bit_reader_utils.h +COMMON_SOURCES += bit_reader_inl_utils.h +COMMON_SOURCES += color_cache_utils.c +COMMON_SOURCES += color_cache_utils.h +COMMON_SOURCES += endian_inl_utils.h +COMMON_SOURCES += filters_utils.c +COMMON_SOURCES += filters_utils.h +COMMON_SOURCES += huffman_utils.c +COMMON_SOURCES += huffman_utils.h +COMMON_SOURCES += quant_levels_dec_utils.c +COMMON_SOURCES += quant_levels_dec_utils.h +COMMON_SOURCES += rescaler_utils.c +COMMON_SOURCES += rescaler_utils.h +COMMON_SOURCES += random_utils.c +COMMON_SOURCES += random_utils.h +COMMON_SOURCES += thread_utils.c +COMMON_SOURCES += thread_utils.h +COMMON_SOURCES += utils.c +COMMON_SOURCES += utils.h + +ENC_SOURCES = +ENC_SOURCES += bit_writer_utils.c +ENC_SOURCES += bit_writer_utils.h +ENC_SOURCES += huffman_encode_utils.c +ENC_SOURCES += huffman_encode_utils.h +ENC_SOURCES += quant_levels_utils.c +ENC_SOURCES += quant_levels_utils.h + +libwebputils_la_SOURCES = $(COMMON_SOURCES) $(ENC_SOURCES) + +if BUILD_LIBWEBPDECODER + libwebputilsdecode_la_SOURCES = $(COMMON_SOURCES) +endif diff --git a/ProductApp/Pods/libwebp/src/utils/bit_reader_inl_utils.h b/ProductApp/Pods/libwebp/src/utils/bit_reader_inl_utils.h new file mode 100644 index 0000000..24f3af7 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/bit_reader_inl_utils.h @@ -0,0 +1,196 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Specific inlined methods for boolean decoder [VP8GetBit() ...] +// This file should be included by the .c sources that actually need to call +// these methods. +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_UTILS_BIT_READER_INL_UTILS_H_ +#define WEBP_UTILS_BIT_READER_INL_UTILS_H_ + +#ifdef HAVE_CONFIG_H +#include "src/webp/config.h" +#endif + +#include // for memcpy + +#include "src/dsp/dsp.h" +#include "src/utils/bit_reader_utils.h" +#include "src/utils/endian_inl_utils.h" +#include "src/utils/utils.h" + +#ifdef __cplusplus +extern "C" { +#endif + +//------------------------------------------------------------------------------ +// Derived type lbit_t = natural type for memory I/O + +#if (BITS > 32) +typedef uint64_t lbit_t; +#elif (BITS > 16) +typedef uint32_t lbit_t; +#elif (BITS > 8) +typedef uint16_t lbit_t; +#else +typedef uint8_t lbit_t; +#endif + +extern const uint8_t kVP8Log2Range[128]; +extern const uint8_t kVP8NewRange[128]; + +// special case for the tail byte-reading +void VP8LoadFinalBytes(VP8BitReader* const br); + +//------------------------------------------------------------------------------ +// Inlined critical functions + +// makes sure br->value_ has at least BITS bits worth of data +static WEBP_UBSAN_IGNORE_UNDEF WEBP_INLINE +void VP8LoadNewBytes(VP8BitReader* WEBP_RESTRICT const br) { + assert(br != NULL && br->buf_ != NULL); + // Read 'BITS' bits at a time if possible. + if (br->buf_ < br->buf_max_) { + // convert memory type to register type (with some zero'ing!) + bit_t bits; +#if defined(WEBP_USE_MIPS32) + // This is needed because of un-aligned read. + lbit_t in_bits; + lbit_t* p_buf_ = (lbit_t*)br->buf_; + __asm__ volatile( + ".set push \n\t" + ".set at \n\t" + ".set macro \n\t" + "ulw %[in_bits], 0(%[p_buf_]) \n\t" + ".set pop \n\t" + : [in_bits]"=r"(in_bits) + : [p_buf_]"r"(p_buf_) + : "memory", "at" + ); +#else + lbit_t in_bits; + memcpy(&in_bits, br->buf_, sizeof(in_bits)); +#endif + br->buf_ += BITS >> 3; +#if !defined(WORDS_BIGENDIAN) +#if (BITS > 32) + bits = BSwap64(in_bits); + bits >>= 64 - BITS; +#elif (BITS >= 24) + bits = BSwap32(in_bits); + bits >>= (32 - BITS); +#elif (BITS == 16) + bits = BSwap16(in_bits); +#else // BITS == 8 + bits = (bit_t)in_bits; +#endif // BITS > 32 +#else // WORDS_BIGENDIAN + bits = (bit_t)in_bits; + if (BITS != 8 * sizeof(bit_t)) bits >>= (8 * sizeof(bit_t) - BITS); +#endif + br->value_ = bits | (br->value_ << BITS); + br->bits_ += BITS; + } else { + VP8LoadFinalBytes(br); // no need to be inlined + } +} + +// Read a bit with proba 'prob'. Speed-critical function! +static WEBP_INLINE int VP8GetBit(VP8BitReader* WEBP_RESTRICT const br, + int prob, const char label[]) { + // Don't move this declaration! It makes a big speed difference to store + // 'range' *before* calling VP8LoadNewBytes(), even if this function doesn't + // alter br->range_ value. + range_t range = br->range_; + if (br->bits_ < 0) { + VP8LoadNewBytes(br); + } + { + const int pos = br->bits_; + const range_t split = (range * prob) >> 8; + const range_t value = (range_t)(br->value_ >> pos); + const int bit = (value > split); + if (bit) { + range -= split; + br->value_ -= (bit_t)(split + 1) << pos; + } else { + range = split + 1; + } + { + const int shift = 7 ^ BitsLog2Floor(range); + range <<= shift; + br->bits_ -= shift; + } + br->range_ = range - 1; + BT_TRACK(br); + return bit; + } +} + +// simplified version of VP8GetBit() for prob=0x80 (note shift is always 1 here) +static WEBP_UBSAN_IGNORE_UNSIGNED_OVERFLOW WEBP_INLINE +int VP8GetSigned(VP8BitReader* WEBP_RESTRICT const br, int v, + const char label[]) { + if (br->bits_ < 0) { + VP8LoadNewBytes(br); + } + { + const int pos = br->bits_; + const range_t split = br->range_ >> 1; + const range_t value = (range_t)(br->value_ >> pos); + const int32_t mask = (int32_t)(split - value) >> 31; // -1 or 0 + br->bits_ -= 1; + br->range_ += (range_t)mask; + br->range_ |= 1; + br->value_ -= (bit_t)((split + 1) & (uint32_t)mask) << pos; + BT_TRACK(br); + return (v ^ mask) - mask; + } +} + +static WEBP_INLINE int VP8GetBitAlt(VP8BitReader* WEBP_RESTRICT const br, + int prob, const char label[]) { + // Don't move this declaration! It makes a big speed difference to store + // 'range' *before* calling VP8LoadNewBytes(), even if this function doesn't + // alter br->range_ value. + range_t range = br->range_; + if (br->bits_ < 0) { + VP8LoadNewBytes(br); + } + { + const int pos = br->bits_; + const range_t split = (range * prob) >> 8; + const range_t value = (range_t)(br->value_ >> pos); + int bit; // Don't use 'const int bit = (value > split);", it's slower. + if (value > split) { + range -= split + 1; + br->value_ -= (bit_t)(split + 1) << pos; + bit = 1; + } else { + range = split; + bit = 0; + } + if (range <= (range_t)0x7e) { + const int shift = kVP8Log2Range[range]; + range = kVP8NewRange[range]; + br->bits_ -= shift; + } + br->range_ = range; + BT_TRACK(br); + return bit; + } +} + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_UTILS_BIT_READER_INL_UTILS_H_ diff --git a/ProductApp/Pods/libwebp/src/utils/bit_reader_utils.c b/ProductApp/Pods/libwebp/src/utils/bit_reader_utils.c new file mode 100644 index 0000000..a26557a --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/bit_reader_utils.c @@ -0,0 +1,299 @@ +// Copyright 2010 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Boolean decoder non-inlined methods +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifdef HAVE_CONFIG_H +#include "src/webp/config.h" +#endif + +#include "src/dsp/cpu.h" +#include "src/utils/bit_reader_inl_utils.h" +#include "src/utils/utils.h" + +//------------------------------------------------------------------------------ +// VP8BitReader + +void VP8BitReaderSetBuffer(VP8BitReader* const br, + const uint8_t* const start, + size_t size) { + br->buf_ = start; + br->buf_end_ = start + size; + br->buf_max_ = + (size >= sizeof(lbit_t)) ? start + size - sizeof(lbit_t) + 1 + : start; +} + +void VP8InitBitReader(VP8BitReader* const br, + const uint8_t* const start, size_t size) { + assert(br != NULL); + assert(start != NULL); + assert(size < (1u << 31)); // limit ensured by format and upstream checks + br->range_ = 255 - 1; + br->value_ = 0; + br->bits_ = -8; // to load the very first 8bits + br->eof_ = 0; + VP8BitReaderSetBuffer(br, start, size); + VP8LoadNewBytes(br); +} + +void VP8RemapBitReader(VP8BitReader* const br, ptrdiff_t offset) { + if (br->buf_ != NULL) { + br->buf_ += offset; + br->buf_end_ += offset; + br->buf_max_ += offset; + } +} + +const uint8_t kVP8Log2Range[128] = { + 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 0 +}; + +// range = ((range - 1) << kVP8Log2Range[range]) + 1 +const uint8_t kVP8NewRange[128] = { + 127, 127, 191, 127, 159, 191, 223, 127, + 143, 159, 175, 191, 207, 223, 239, 127, + 135, 143, 151, 159, 167, 175, 183, 191, + 199, 207, 215, 223, 231, 239, 247, 127, + 131, 135, 139, 143, 147, 151, 155, 159, + 163, 167, 171, 175, 179, 183, 187, 191, + 195, 199, 203, 207, 211, 215, 219, 223, + 227, 231, 235, 239, 243, 247, 251, 127, + 129, 131, 133, 135, 137, 139, 141, 143, + 145, 147, 149, 151, 153, 155, 157, 159, + 161, 163, 165, 167, 169, 171, 173, 175, + 177, 179, 181, 183, 185, 187, 189, 191, + 193, 195, 197, 199, 201, 203, 205, 207, + 209, 211, 213, 215, 217, 219, 221, 223, + 225, 227, 229, 231, 233, 235, 237, 239, + 241, 243, 245, 247, 249, 251, 253, 127 +}; + +void VP8LoadFinalBytes(VP8BitReader* const br) { + assert(br != NULL && br->buf_ != NULL); + // Only read 8bits at a time + if (br->buf_ < br->buf_end_) { + br->bits_ += 8; + br->value_ = (bit_t)(*br->buf_++) | (br->value_ << 8); + } else if (!br->eof_) { + br->value_ <<= 8; + br->bits_ += 8; + br->eof_ = 1; + } else { + br->bits_ = 0; // This is to avoid undefined behaviour with shifts. + } +} + +//------------------------------------------------------------------------------ +// Higher-level calls + +uint32_t VP8GetValue(VP8BitReader* const br, int bits, const char label[]) { + uint32_t v = 0; + while (bits-- > 0) { + v |= VP8GetBit(br, 0x80, label) << bits; + } + return v; +} + +int32_t VP8GetSignedValue(VP8BitReader* const br, int bits, + const char label[]) { + const int value = VP8GetValue(br, bits, label); + return VP8Get(br, label) ? -value : value; +} + +//------------------------------------------------------------------------------ +// VP8LBitReader + +#define VP8L_LOG8_WBITS 4 // Number of bytes needed to store VP8L_WBITS bits. + +#if defined(__arm__) || defined(_M_ARM) || WEBP_AARCH64 || \ + defined(__i386__) || defined(_M_IX86) || \ + defined(__x86_64__) || defined(_M_X64) +#define VP8L_USE_FAST_LOAD +#endif + +static const uint32_t kBitMask[VP8L_MAX_NUM_BIT_READ + 1] = { + 0, + 0x000001, 0x000003, 0x000007, 0x00000f, + 0x00001f, 0x00003f, 0x00007f, 0x0000ff, + 0x0001ff, 0x0003ff, 0x0007ff, 0x000fff, + 0x001fff, 0x003fff, 0x007fff, 0x00ffff, + 0x01ffff, 0x03ffff, 0x07ffff, 0x0fffff, + 0x1fffff, 0x3fffff, 0x7fffff, 0xffffff +}; + +void VP8LInitBitReader(VP8LBitReader* const br, const uint8_t* const start, + size_t length) { + size_t i; + vp8l_val_t value = 0; + assert(br != NULL); + assert(start != NULL); + assert(length < 0xfffffff8u); // can't happen with a RIFF chunk. + + br->len_ = length; + br->val_ = 0; + br->bit_pos_ = 0; + br->eos_ = 0; + + if (length > sizeof(br->val_)) { + length = sizeof(br->val_); + } + for (i = 0; i < length; ++i) { + value |= (vp8l_val_t)start[i] << (8 * i); + } + br->val_ = value; + br->pos_ = length; + br->buf_ = start; +} + +void VP8LBitReaderSetBuffer(VP8LBitReader* const br, + const uint8_t* const buf, size_t len) { + assert(br != NULL); + assert(buf != NULL); + assert(len < 0xfffffff8u); // can't happen with a RIFF chunk. + br->buf_ = buf; + br->len_ = len; + // pos_ > len_ should be considered a param error. + br->eos_ = (br->pos_ > br->len_) || VP8LIsEndOfStream(br); +} + +static void VP8LSetEndOfStream(VP8LBitReader* const br) { + br->eos_ = 1; + br->bit_pos_ = 0; // To avoid undefined behaviour with shifts. +} + +// If not at EOS, reload up to VP8L_LBITS byte-by-byte +static void ShiftBytes(VP8LBitReader* const br) { + while (br->bit_pos_ >= 8 && br->pos_ < br->len_) { + br->val_ >>= 8; + br->val_ |= ((vp8l_val_t)br->buf_[br->pos_]) << (VP8L_LBITS - 8); + ++br->pos_; + br->bit_pos_ -= 8; + } + if (VP8LIsEndOfStream(br)) { + VP8LSetEndOfStream(br); + } +} + +void VP8LDoFillBitWindow(VP8LBitReader* const br) { + assert(br->bit_pos_ >= VP8L_WBITS); +#if defined(VP8L_USE_FAST_LOAD) + if (br->pos_ + sizeof(br->val_) < br->len_) { + br->val_ >>= VP8L_WBITS; + br->bit_pos_ -= VP8L_WBITS; + br->val_ |= (vp8l_val_t)HToLE32(WebPMemToUint32(br->buf_ + br->pos_)) << + (VP8L_LBITS - VP8L_WBITS); + br->pos_ += VP8L_LOG8_WBITS; + return; + } +#endif + ShiftBytes(br); // Slow path. +} + +uint32_t VP8LReadBits(VP8LBitReader* const br, int n_bits) { + assert(n_bits >= 0); + // Flag an error if end_of_stream or n_bits is more than allowed limit. + if (!br->eos_ && n_bits <= VP8L_MAX_NUM_BIT_READ) { + const uint32_t val = VP8LPrefetchBits(br) & kBitMask[n_bits]; + const int new_bits = br->bit_pos_ + n_bits; + br->bit_pos_ = new_bits; + ShiftBytes(br); + return val; + } else { + VP8LSetEndOfStream(br); + return 0; + } +} + +//------------------------------------------------------------------------------ +// Bit-tracing tool + +#if (BITTRACE > 0) + +#include // for atexit() +#include +#include + +#define MAX_NUM_LABELS 32 +static struct { + const char* label; + int size; + int count; +} kLabels[MAX_NUM_LABELS]; + +static int last_label = 0; +static int last_pos = 0; +static const uint8_t* buf_start = NULL; +static int init_done = 0; + +static void PrintBitTraces(void) { + int i; + int scale = 1; + int total = 0; + const char* units = "bits"; +#if (BITTRACE == 2) + scale = 8; + units = "bytes"; +#endif + for (i = 0; i < last_label; ++i) total += kLabels[i].size; + if (total < 1) total = 1; // avoid rounding errors + printf("=== Bit traces ===\n"); + for (i = 0; i < last_label; ++i) { + const int skip = 16 - (int)strlen(kLabels[i].label); + const int value = (kLabels[i].size + scale - 1) / scale; + assert(skip > 0); + printf("%s \%*s: %6d %s \t[%5.2f%%] [count: %7d]\n", + kLabels[i].label, skip, "", value, units, + 100.f * kLabels[i].size / total, + kLabels[i].count); + } + total = (total + scale - 1) / scale; + printf("Total: %d %s\n", total, units); +} + +void BitTrace(const struct VP8BitReader* const br, const char label[]) { + int i, pos; + if (!init_done) { + memset(kLabels, 0, sizeof(kLabels)); + atexit(PrintBitTraces); + buf_start = br->buf_; + init_done = 1; + } + pos = (int)(br->buf_ - buf_start) * 8 - br->bits_; + // if there's a too large jump, we've changed partition -> reset counter + if (abs(pos - last_pos) > 32) { + buf_start = br->buf_; + pos = 0; + last_pos = 0; + } + if (br->range_ >= 0x7f) pos += kVP8Log2Range[br->range_ - 0x7f]; + for (i = 0; i < last_label; ++i) { + if (!strcmp(label, kLabels[i].label)) break; + } + if (i == MAX_NUM_LABELS) abort(); // overflow! + kLabels[i].label = label; + kLabels[i].size += pos - last_pos; + kLabels[i].count += 1; + if (i == last_label) ++last_label; + last_pos = pos; +} + +#endif // BITTRACE > 0 + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/utils/bit_reader_utils.h b/ProductApp/Pods/libwebp/src/utils/bit_reader_utils.h new file mode 100644 index 0000000..25ff31e --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/bit_reader_utils.h @@ -0,0 +1,195 @@ +// Copyright 2010 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Boolean decoder +// +// Author: Skal (pascal.massimino@gmail.com) +// Vikas Arora (vikaas.arora@gmail.com) + +#ifndef WEBP_UTILS_BIT_READER_UTILS_H_ +#define WEBP_UTILS_BIT_READER_UTILS_H_ + +#include +#ifdef _MSC_VER +#include // _byteswap_ulong +#endif +#include "src/dsp/cpu.h" +#include "src/webp/types.h" + +// Warning! This macro triggers quite some MACRO wizardry around func signature! +#if !defined(BITTRACE) +#define BITTRACE 0 // 0 = off, 1 = print bits, 2 = print bytes +#endif + +#if (BITTRACE > 0) +struct VP8BitReader; +extern void BitTrace(const struct VP8BitReader* const br, const char label[]); +#define BT_TRACK(br) BitTrace(br, label) +#define VP8Get(BR, L) VP8GetValue(BR, 1, L) +#else +#define BT_TRACK(br) +// We'll REMOVE the 'const char label[]' from all signatures and calls (!!): +#define VP8GetValue(BR, N, L) VP8GetValue(BR, N) +#define VP8Get(BR, L) VP8GetValue(BR, 1, L) +#define VP8GetSignedValue(BR, N, L) VP8GetSignedValue(BR, N) +#define VP8GetBit(BR, P, L) VP8GetBit(BR, P) +#define VP8GetBitAlt(BR, P, L) VP8GetBitAlt(BR, P) +#define VP8GetSigned(BR, V, L) VP8GetSigned(BR, V) +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +// The Boolean decoder needs to maintain infinite precision on the value_ field. +// However, since range_ is only 8bit, we only need an active window of 8 bits +// for value_. Left bits (MSB) gets zeroed and shifted away when value_ falls +// below 128, range_ is updated, and fresh bits read from the bitstream are +// brought in as LSB. To avoid reading the fresh bits one by one (slow), we +// cache BITS of them ahead. The total of (BITS + 8) bits must fit into a +// natural register (with type bit_t). To fetch BITS bits from bitstream we +// use a type lbit_t. +// +// BITS can be any multiple of 8 from 8 to 56 (inclusive). +// Pick values that fit natural register size. + +#if defined(__i386__) || defined(_M_IX86) // x86 32bit +#define BITS 24 +#elif defined(__x86_64__) || defined(_M_X64) // x86 64bit +#define BITS 56 +#elif defined(__arm__) || defined(_M_ARM) // ARM +#define BITS 24 +#elif WEBP_AARCH64 // ARM 64bit +#define BITS 56 +#elif defined(__mips__) // MIPS +#define BITS 24 +#else // reasonable default +#define BITS 24 +#endif + +//------------------------------------------------------------------------------ +// Derived types and constants: +// bit_t = natural register type for storing 'value_' (which is BITS+8 bits) +// range_t = register for 'range_' (which is 8bits only) + +#if (BITS > 24) +typedef uint64_t bit_t; +#else +typedef uint32_t bit_t; +#endif + +typedef uint32_t range_t; + +//------------------------------------------------------------------------------ +// Bitreader + +typedef struct VP8BitReader VP8BitReader; +struct VP8BitReader { + // boolean decoder (keep the field ordering as is!) + bit_t value_; // current value + range_t range_; // current range minus 1. In [127, 254] interval. + int bits_; // number of valid bits left + // read buffer + const uint8_t* buf_; // next byte to be read + const uint8_t* buf_end_; // end of read buffer + const uint8_t* buf_max_; // max packed-read position on buffer + int eof_; // true if input is exhausted +}; + +// Initialize the bit reader and the boolean decoder. +void VP8InitBitReader(VP8BitReader* const br, + const uint8_t* const start, size_t size); +// Sets the working read buffer. +void VP8BitReaderSetBuffer(VP8BitReader* const br, + const uint8_t* const start, size_t size); + +// Update internal pointers to displace the byte buffer by the +// relative offset 'offset'. +void VP8RemapBitReader(VP8BitReader* const br, ptrdiff_t offset); + +// return the next value made of 'num_bits' bits +uint32_t VP8GetValue(VP8BitReader* const br, int num_bits, const char label[]); + +// return the next value with sign-extension. +int32_t VP8GetSignedValue(VP8BitReader* const br, int num_bits, + const char label[]); + +// bit_reader_inl.h will implement the following methods: +// static WEBP_INLINE int VP8GetBit(VP8BitReader* const br, int prob, ...) +// static WEBP_INLINE int VP8GetSigned(VP8BitReader* const br, int v, ...) +// and should be included by the .c files that actually need them. +// This is to avoid recompiling the whole library whenever this file is touched, +// and also allowing platform-specific ad-hoc hacks. + +// ----------------------------------------------------------------------------- +// Bitreader for lossless format + +// maximum number of bits (inclusive) the bit-reader can handle: +#define VP8L_MAX_NUM_BIT_READ 24 + +#define VP8L_LBITS 64 // Number of bits prefetched (= bit-size of vp8l_val_t). +#define VP8L_WBITS 32 // Minimum number of bytes ready after VP8LFillBitWindow. + +typedef uint64_t vp8l_val_t; // right now, this bit-reader can only use 64bit. + +typedef struct { + vp8l_val_t val_; // pre-fetched bits + const uint8_t* buf_; // input byte buffer + size_t len_; // buffer length + size_t pos_; // byte position in buf_ + int bit_pos_; // current bit-reading position in val_ + int eos_; // true if a bit was read past the end of buffer +} VP8LBitReader; + +void VP8LInitBitReader(VP8LBitReader* const br, + const uint8_t* const start, + size_t length); + +// Sets a new data buffer. +void VP8LBitReaderSetBuffer(VP8LBitReader* const br, + const uint8_t* const buffer, size_t length); + +// Reads the specified number of bits from read buffer. +// Flags an error in case end_of_stream or n_bits is more than the allowed limit +// of VP8L_MAX_NUM_BIT_READ (inclusive). +// Flags eos_ if this read attempt is going to cross the read buffer. +uint32_t VP8LReadBits(VP8LBitReader* const br, int n_bits); + +// Return the prefetched bits, so they can be looked up. +static WEBP_INLINE uint32_t VP8LPrefetchBits(VP8LBitReader* const br) { + return (uint32_t)(br->val_ >> (br->bit_pos_ & (VP8L_LBITS - 1))); +} + +// Returns true if there was an attempt at reading bit past the end of +// the buffer. Doesn't set br->eos_ flag. +static WEBP_INLINE int VP8LIsEndOfStream(const VP8LBitReader* const br) { + assert(br->pos_ <= br->len_); + return br->eos_ || ((br->pos_ == br->len_) && (br->bit_pos_ > VP8L_LBITS)); +} + +// For jumping over a number of bits in the bit stream when accessed with +// VP8LPrefetchBits and VP8LFillBitWindow. +// This function does *not* set br->eos_, since it's speed-critical. +// Use with extreme care! +static WEBP_INLINE void VP8LSetBitPos(VP8LBitReader* const br, int val) { + br->bit_pos_ = val; +} + +// Advances the read buffer by 4 bytes to make room for reading next 32 bits. +// Speed critical, but infrequent part of the code can be non-inlined. +extern void VP8LDoFillBitWindow(VP8LBitReader* const br); +static WEBP_INLINE void VP8LFillBitWindow(VP8LBitReader* const br) { + if (br->bit_pos_ >= VP8L_WBITS) VP8LDoFillBitWindow(br); +} + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_UTILS_BIT_READER_UTILS_H_ diff --git a/ProductApp/Pods/libwebp/src/utils/bit_writer_utils.c b/ProductApp/Pods/libwebp/src/utils/bit_writer_utils.c new file mode 100644 index 0000000..2f40850 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/bit_writer_utils.c @@ -0,0 +1,347 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Bit writing and boolean coder +// +// Author: Skal (pascal.massimino@gmail.com) +// Vikas Arora (vikaas.arora@gmail.com) + +#include +#include // for memcpy() +#include + +#include "src/utils/bit_writer_utils.h" +#include "src/utils/endian_inl_utils.h" +#include "src/utils/utils.h" + +//------------------------------------------------------------------------------ +// VP8BitWriter + +static int BitWriterResize(VP8BitWriter* const bw, size_t extra_size) { + uint8_t* new_buf; + size_t new_size; + const uint64_t needed_size_64b = (uint64_t)bw->pos_ + extra_size; + const size_t needed_size = (size_t)needed_size_64b; + if (needed_size_64b != needed_size) { + bw->error_ = 1; + return 0; + } + if (needed_size <= bw->max_pos_) return 1; + // If the following line wraps over 32bit, the test just after will catch it. + new_size = 2 * bw->max_pos_; + if (new_size < needed_size) new_size = needed_size; + if (new_size < 1024) new_size = 1024; + new_buf = (uint8_t*)WebPSafeMalloc(1ULL, new_size); + if (new_buf == NULL) { + bw->error_ = 1; + return 0; + } + if (bw->pos_ > 0) { + assert(bw->buf_ != NULL); + memcpy(new_buf, bw->buf_, bw->pos_); + } + WebPSafeFree(bw->buf_); + bw->buf_ = new_buf; + bw->max_pos_ = new_size; + return 1; +} + +static void Flush(VP8BitWriter* const bw) { + const int s = 8 + bw->nb_bits_; + const int32_t bits = bw->value_ >> s; + assert(bw->nb_bits_ >= 0); + bw->value_ -= bits << s; + bw->nb_bits_ -= 8; + if ((bits & 0xff) != 0xff) { + size_t pos = bw->pos_; + if (!BitWriterResize(bw, bw->run_ + 1)) { + return; + } + if (bits & 0x100) { // overflow -> propagate carry over pending 0xff's + if (pos > 0) bw->buf_[pos - 1]++; + } + if (bw->run_ > 0) { + const int value = (bits & 0x100) ? 0x00 : 0xff; + for (; bw->run_ > 0; --bw->run_) bw->buf_[pos++] = value; + } + bw->buf_[pos++] = bits & 0xff; + bw->pos_ = pos; + } else { + bw->run_++; // delay writing of bytes 0xff, pending eventual carry. + } +} + +//------------------------------------------------------------------------------ +// renormalization + +static const uint8_t kNorm[128] = { // renorm_sizes[i] = 8 - log2(i) + 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 0 +}; + +// range = ((range + 1) << kVP8Log2Range[range]) - 1 +static const uint8_t kNewRange[128] = { + 127, 127, 191, 127, 159, 191, 223, 127, 143, 159, 175, 191, 207, 223, 239, + 127, 135, 143, 151, 159, 167, 175, 183, 191, 199, 207, 215, 223, 231, 239, + 247, 127, 131, 135, 139, 143, 147, 151, 155, 159, 163, 167, 171, 175, 179, + 183, 187, 191, 195, 199, 203, 207, 211, 215, 219, 223, 227, 231, 235, 239, + 243, 247, 251, 127, 129, 131, 133, 135, 137, 139, 141, 143, 145, 147, 149, + 151, 153, 155, 157, 159, 161, 163, 165, 167, 169, 171, 173, 175, 177, 179, + 181, 183, 185, 187, 189, 191, 193, 195, 197, 199, 201, 203, 205, 207, 209, + 211, 213, 215, 217, 219, 221, 223, 225, 227, 229, 231, 233, 235, 237, 239, + 241, 243, 245, 247, 249, 251, 253, 127 +}; + +int VP8PutBit(VP8BitWriter* const bw, int bit, int prob) { + const int split = (bw->range_ * prob) >> 8; + if (bit) { + bw->value_ += split + 1; + bw->range_ -= split + 1; + } else { + bw->range_ = split; + } + if (bw->range_ < 127) { // emit 'shift' bits out and renormalize + const int shift = kNorm[bw->range_]; + bw->range_ = kNewRange[bw->range_]; + bw->value_ <<= shift; + bw->nb_bits_ += shift; + if (bw->nb_bits_ > 0) Flush(bw); + } + return bit; +} + +int VP8PutBitUniform(VP8BitWriter* const bw, int bit) { + const int split = bw->range_ >> 1; + if (bit) { + bw->value_ += split + 1; + bw->range_ -= split + 1; + } else { + bw->range_ = split; + } + if (bw->range_ < 127) { + bw->range_ = kNewRange[bw->range_]; + bw->value_ <<= 1; + bw->nb_bits_ += 1; + if (bw->nb_bits_ > 0) Flush(bw); + } + return bit; +} + +void VP8PutBits(VP8BitWriter* const bw, uint32_t value, int nb_bits) { + uint32_t mask; + assert(nb_bits > 0 && nb_bits < 32); + for (mask = 1u << (nb_bits - 1); mask; mask >>= 1) { + VP8PutBitUniform(bw, value & mask); + } +} + +void VP8PutSignedBits(VP8BitWriter* const bw, int value, int nb_bits) { + if (!VP8PutBitUniform(bw, value != 0)) return; + if (value < 0) { + VP8PutBits(bw, ((-value) << 1) | 1, nb_bits + 1); + } else { + VP8PutBits(bw, value << 1, nb_bits + 1); + } +} + +//------------------------------------------------------------------------------ + +int VP8BitWriterInit(VP8BitWriter* const bw, size_t expected_size) { + bw->range_ = 255 - 1; + bw->value_ = 0; + bw->run_ = 0; + bw->nb_bits_ = -8; + bw->pos_ = 0; + bw->max_pos_ = 0; + bw->error_ = 0; + bw->buf_ = NULL; + return (expected_size > 0) ? BitWriterResize(bw, expected_size) : 1; +} + +uint8_t* VP8BitWriterFinish(VP8BitWriter* const bw) { + VP8PutBits(bw, 0, 9 - bw->nb_bits_); + bw->nb_bits_ = 0; // pad with zeroes + Flush(bw); + return bw->buf_; +} + +int VP8BitWriterAppend(VP8BitWriter* const bw, + const uint8_t* data, size_t size) { + assert(data != NULL); + if (bw->nb_bits_ != -8) return 0; // Flush() must have been called + if (!BitWriterResize(bw, size)) return 0; + memcpy(bw->buf_ + bw->pos_, data, size); + bw->pos_ += size; + return 1; +} + +void VP8BitWriterWipeOut(VP8BitWriter* const bw) { + if (bw != NULL) { + WebPSafeFree(bw->buf_); + memset(bw, 0, sizeof(*bw)); + } +} + +//------------------------------------------------------------------------------ +// VP8LBitWriter + +// This is the minimum amount of size the memory buffer is guaranteed to grow +// when extra space is needed. +#define MIN_EXTRA_SIZE (32768ULL) + +// Returns 1 on success. +static int VP8LBitWriterResize(VP8LBitWriter* const bw, size_t extra_size) { + uint8_t* allocated_buf; + size_t allocated_size; + const size_t max_bytes = bw->end_ - bw->buf_; + const size_t current_size = bw->cur_ - bw->buf_; + const uint64_t size_required_64b = (uint64_t)current_size + extra_size; + const size_t size_required = (size_t)size_required_64b; + if (size_required != size_required_64b) { + bw->error_ = 1; + return 0; + } + if (max_bytes > 0 && size_required <= max_bytes) return 1; + allocated_size = (3 * max_bytes) >> 1; + if (allocated_size < size_required) allocated_size = size_required; + // make allocated size multiple of 1k + allocated_size = (((allocated_size >> 10) + 1) << 10); + allocated_buf = (uint8_t*)WebPSafeMalloc(1ULL, allocated_size); + if (allocated_buf == NULL) { + bw->error_ = 1; + return 0; + } + if (current_size > 0) { + memcpy(allocated_buf, bw->buf_, current_size); + } + WebPSafeFree(bw->buf_); + bw->buf_ = allocated_buf; + bw->cur_ = bw->buf_ + current_size; + bw->end_ = bw->buf_ + allocated_size; + return 1; +} + +int VP8LBitWriterInit(VP8LBitWriter* const bw, size_t expected_size) { + memset(bw, 0, sizeof(*bw)); + return VP8LBitWriterResize(bw, expected_size); +} + +int VP8LBitWriterClone(const VP8LBitWriter* const src, + VP8LBitWriter* const dst) { + const size_t current_size = src->cur_ - src->buf_; + assert(src->cur_ >= src->buf_ && src->cur_ <= src->end_); + if (!VP8LBitWriterResize(dst, current_size)) return 0; + memcpy(dst->buf_, src->buf_, current_size); + dst->bits_ = src->bits_; + dst->used_ = src->used_; + dst->error_ = src->error_; + dst->cur_ = dst->buf_ + current_size; + return 1; +} + +void VP8LBitWriterWipeOut(VP8LBitWriter* const bw) { + if (bw != NULL) { + WebPSafeFree(bw->buf_); + memset(bw, 0, sizeof(*bw)); + } +} + +void VP8LBitWriterReset(const VP8LBitWriter* const bw_init, + VP8LBitWriter* const bw) { + bw->bits_ = bw_init->bits_; + bw->used_ = bw_init->used_; + bw->cur_ = bw->buf_ + (bw_init->cur_ - bw_init->buf_); + assert(bw->cur_ <= bw->end_); + bw->error_ = bw_init->error_; +} + +void VP8LBitWriterSwap(VP8LBitWriter* const src, VP8LBitWriter* const dst) { + const VP8LBitWriter tmp = *src; + *src = *dst; + *dst = tmp; +} + +void VP8LPutBitsFlushBits(VP8LBitWriter* const bw) { + // If needed, make some room by flushing some bits out. + if (bw->cur_ + VP8L_WRITER_BYTES > bw->end_) { + const uint64_t extra_size = (bw->end_ - bw->buf_) + MIN_EXTRA_SIZE; + if (!CheckSizeOverflow(extra_size) || + !VP8LBitWriterResize(bw, (size_t)extra_size)) { + bw->cur_ = bw->buf_; + bw->error_ = 1; + return; + } + } + *(vp8l_wtype_t*)bw->cur_ = (vp8l_wtype_t)WSWAP((vp8l_wtype_t)bw->bits_); + bw->cur_ += VP8L_WRITER_BYTES; + bw->bits_ >>= VP8L_WRITER_BITS; + bw->used_ -= VP8L_WRITER_BITS; +} + +void VP8LPutBitsInternal(VP8LBitWriter* const bw, uint32_t bits, int n_bits) { + assert(n_bits <= 32); + // That's the max we can handle: + assert(sizeof(vp8l_wtype_t) == 2); + if (n_bits > 0) { + vp8l_atype_t lbits = bw->bits_; + int used = bw->used_; + // Special case of overflow handling for 32bit accumulator (2-steps flush). +#if VP8L_WRITER_BITS == 16 + if (used + n_bits >= VP8L_WRITER_MAX_BITS) { + // Fill up all the VP8L_WRITER_MAX_BITS so it can be flushed out below. + const int shift = VP8L_WRITER_MAX_BITS - used; + lbits |= (vp8l_atype_t)bits << used; + used = VP8L_WRITER_MAX_BITS; + n_bits -= shift; + bits >>= shift; + assert(n_bits <= VP8L_WRITER_MAX_BITS); + } +#endif + // If needed, make some room by flushing some bits out. + while (used >= VP8L_WRITER_BITS) { + if (bw->cur_ + VP8L_WRITER_BYTES > bw->end_) { + const uint64_t extra_size = (bw->end_ - bw->buf_) + MIN_EXTRA_SIZE; + if (!CheckSizeOverflow(extra_size) || + !VP8LBitWriterResize(bw, (size_t)extra_size)) { + bw->cur_ = bw->buf_; + bw->error_ = 1; + return; + } + } + *(vp8l_wtype_t*)bw->cur_ = (vp8l_wtype_t)WSWAP((vp8l_wtype_t)lbits); + bw->cur_ += VP8L_WRITER_BYTES; + lbits >>= VP8L_WRITER_BITS; + used -= VP8L_WRITER_BITS; + } + bw->bits_ = lbits | ((vp8l_atype_t)bits << used); + bw->used_ = used + n_bits; + } +} + +uint8_t* VP8LBitWriterFinish(VP8LBitWriter* const bw) { + // flush leftover bits + if (VP8LBitWriterResize(bw, (bw->used_ + 7) >> 3)) { + while (bw->used_ > 0) { + *bw->cur_++ = (uint8_t)bw->bits_; + bw->bits_ >>= 8; + bw->used_ -= 8; + } + bw->used_ = 0; + } + return bw->buf_; +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/utils/bit_writer_utils.h b/ProductApp/Pods/libwebp/src/utils/bit_writer_utils.h new file mode 100644 index 0000000..b9d5102 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/bit_writer_utils.h @@ -0,0 +1,154 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Bit writing and boolean coder +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_UTILS_BIT_WRITER_UTILS_H_ +#define WEBP_UTILS_BIT_WRITER_UTILS_H_ + +#include "src/webp/types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +//------------------------------------------------------------------------------ +// Bit-writing + +typedef struct VP8BitWriter VP8BitWriter; +struct VP8BitWriter { + int32_t range_; // range-1 + int32_t value_; + int run_; // number of outstanding bits + int nb_bits_; // number of pending bits + uint8_t* buf_; // internal buffer. Re-allocated regularly. Not owned. + size_t pos_; + size_t max_pos_; + int error_; // true in case of error +}; + +// Initialize the object. Allocates some initial memory based on expected_size. +int VP8BitWriterInit(VP8BitWriter* const bw, size_t expected_size); +// Finalize the bitstream coding. Returns a pointer to the internal buffer. +uint8_t* VP8BitWriterFinish(VP8BitWriter* const bw); +// Release any pending memory and zeroes the object. Not a mandatory call. +// Only useful in case of error, when the internal buffer hasn't been grabbed! +void VP8BitWriterWipeOut(VP8BitWriter* const bw); + +int VP8PutBit(VP8BitWriter* const bw, int bit, int prob); +int VP8PutBitUniform(VP8BitWriter* const bw, int bit); +void VP8PutBits(VP8BitWriter* const bw, uint32_t value, int nb_bits); +void VP8PutSignedBits(VP8BitWriter* const bw, int value, int nb_bits); + +// Appends some bytes to the internal buffer. Data is copied. +int VP8BitWriterAppend(VP8BitWriter* const bw, + const uint8_t* data, size_t size); + +// return approximate write position (in bits) +static WEBP_INLINE uint64_t VP8BitWriterPos(const VP8BitWriter* const bw) { + const uint64_t nb_bits = 8 + bw->nb_bits_; // bw->nb_bits_ is <= 0, note + return (bw->pos_ + bw->run_) * 8 + nb_bits; +} + +// Returns a pointer to the internal buffer. +static WEBP_INLINE uint8_t* VP8BitWriterBuf(const VP8BitWriter* const bw) { + return bw->buf_; +} +// Returns the size of the internal buffer. +static WEBP_INLINE size_t VP8BitWriterSize(const VP8BitWriter* const bw) { + return bw->pos_; +} + +//------------------------------------------------------------------------------ +// VP8LBitWriter + +#if defined(__x86_64__) || defined(_M_X64) // 64bit +typedef uint64_t vp8l_atype_t; // accumulator type +typedef uint32_t vp8l_wtype_t; // writing type +#define WSWAP HToLE32 +#define VP8L_WRITER_BYTES 4 // sizeof(vp8l_wtype_t) +#define VP8L_WRITER_BITS 32 // 8 * sizeof(vp8l_wtype_t) +#define VP8L_WRITER_MAX_BITS 64 // 8 * sizeof(vp8l_atype_t) +#else +typedef uint32_t vp8l_atype_t; +typedef uint16_t vp8l_wtype_t; +#define WSWAP HToLE16 +#define VP8L_WRITER_BYTES 2 +#define VP8L_WRITER_BITS 16 +#define VP8L_WRITER_MAX_BITS 32 +#endif + +typedef struct { + vp8l_atype_t bits_; // bit accumulator + int used_; // number of bits used in accumulator + uint8_t* buf_; // start of buffer + uint8_t* cur_; // current write position + uint8_t* end_; // end of buffer + + // After all bits are written (VP8LBitWriterFinish()), the caller must observe + // the state of error_. A value of 1 indicates that a memory allocation + // failure has happened during bit writing. A value of 0 indicates successful + // writing of bits. + int error_; +} VP8LBitWriter; + +static WEBP_INLINE size_t VP8LBitWriterNumBytes(const VP8LBitWriter* const bw) { + return (bw->cur_ - bw->buf_) + ((bw->used_ + 7) >> 3); +} + +// Returns false in case of memory allocation error. +int VP8LBitWriterInit(VP8LBitWriter* const bw, size_t expected_size); +// Returns false in case of memory allocation error. +int VP8LBitWriterClone(const VP8LBitWriter* const src, + VP8LBitWriter* const dst); +// Finalize the bitstream coding. Returns a pointer to the internal buffer. +uint8_t* VP8LBitWriterFinish(VP8LBitWriter* const bw); +// Release any pending memory and zeroes the object. +void VP8LBitWriterWipeOut(VP8LBitWriter* const bw); +// Resets the cursor of the BitWriter bw to when it was like in bw_init. +void VP8LBitWriterReset(const VP8LBitWriter* const bw_init, + VP8LBitWriter* const bw); +// Swaps the memory held by two BitWriters. +void VP8LBitWriterSwap(VP8LBitWriter* const src, VP8LBitWriter* const dst); + +// Internal function for VP8LPutBits flushing 32 bits from the written state. +void VP8LPutBitsFlushBits(VP8LBitWriter* const bw); + +// PutBits internal function used in the 16 bit vp8l_wtype_t case. +void VP8LPutBitsInternal(VP8LBitWriter* const bw, uint32_t bits, int n_bits); + +// This function writes bits into bytes in increasing addresses (little endian), +// and within a byte least-significant-bit first. +// This function can write up to 32 bits in one go, but VP8LBitReader can only +// read 24 bits max (VP8L_MAX_NUM_BIT_READ). +// VP8LBitWriter's error_ flag is set in case of memory allocation error. +static WEBP_INLINE void VP8LPutBits(VP8LBitWriter* const bw, + uint32_t bits, int n_bits) { + if (sizeof(vp8l_wtype_t) == 4) { + if (n_bits > 0) { + if (bw->used_ >= 32) { + VP8LPutBitsFlushBits(bw); + } + bw->bits_ |= (vp8l_atype_t)bits << bw->used_; + bw->used_ += n_bits; + } + } else { + VP8LPutBitsInternal(bw, bits, n_bits); + } +} + +//------------------------------------------------------------------------------ + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_UTILS_BIT_WRITER_UTILS_H_ diff --git a/ProductApp/Pods/libwebp/src/utils/color_cache_utils.c b/ProductApp/Pods/libwebp/src/utils/color_cache_utils.c new file mode 100644 index 0000000..7b5222b --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/color_cache_utils.c @@ -0,0 +1,49 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Color Cache for WebP Lossless +// +// Author: Jyrki Alakuijala (jyrki@google.com) + +#include +#include +#include +#include "src/utils/color_cache_utils.h" +#include "src/utils/utils.h" + +//------------------------------------------------------------------------------ +// VP8LColorCache. + +int VP8LColorCacheInit(VP8LColorCache* const color_cache, int hash_bits) { + const int hash_size = 1 << hash_bits; + assert(color_cache != NULL); + assert(hash_bits > 0); + color_cache->colors_ = (uint32_t*)WebPSafeCalloc( + (uint64_t)hash_size, sizeof(*color_cache->colors_)); + if (color_cache->colors_ == NULL) return 0; + color_cache->hash_shift_ = 32 - hash_bits; + color_cache->hash_bits_ = hash_bits; + return 1; +} + +void VP8LColorCacheClear(VP8LColorCache* const color_cache) { + if (color_cache != NULL) { + WebPSafeFree(color_cache->colors_); + color_cache->colors_ = NULL; + } +} + +void VP8LColorCacheCopy(const VP8LColorCache* const src, + VP8LColorCache* const dst) { + assert(src != NULL); + assert(dst != NULL); + assert(src->hash_bits_ == dst->hash_bits_); + memcpy(dst->colors_, src->colors_, + ((size_t)1u << dst->hash_bits_) * sizeof(*dst->colors_)); +} diff --git a/ProductApp/Pods/libwebp/src/utils/color_cache_utils.h b/ProductApp/Pods/libwebp/src/utils/color_cache_utils.h new file mode 100644 index 0000000..b45d47c --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/color_cache_utils.h @@ -0,0 +1,89 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Color Cache for WebP Lossless +// +// Authors: Jyrki Alakuijala (jyrki@google.com) +// Urvang Joshi (urvang@google.com) + +#ifndef WEBP_UTILS_COLOR_CACHE_UTILS_H_ +#define WEBP_UTILS_COLOR_CACHE_UTILS_H_ + +#include + +#include "src/dsp/dsp.h" +#include "src/webp/types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// Main color cache struct. +typedef struct { + uint32_t* colors_; // color entries + int hash_shift_; // Hash shift: 32 - hash_bits_. + int hash_bits_; +} VP8LColorCache; + +static const uint32_t kHashMul = 0x1e35a7bdu; + +static WEBP_UBSAN_IGNORE_UNSIGNED_OVERFLOW WEBP_INLINE +int VP8LHashPix(uint32_t argb, int shift) { + return (int)((argb * kHashMul) >> shift); +} + +static WEBP_INLINE uint32_t VP8LColorCacheLookup( + const VP8LColorCache* const cc, uint32_t key) { + assert((key >> cc->hash_bits_) == 0u); + return cc->colors_[key]; +} + +static WEBP_INLINE void VP8LColorCacheSet(const VP8LColorCache* const cc, + uint32_t key, uint32_t argb) { + assert((key >> cc->hash_bits_) == 0u); + cc->colors_[key] = argb; +} + +static WEBP_INLINE void VP8LColorCacheInsert(const VP8LColorCache* const cc, + uint32_t argb) { + const int key = VP8LHashPix(argb, cc->hash_shift_); + cc->colors_[key] = argb; +} + +static WEBP_INLINE int VP8LColorCacheGetIndex(const VP8LColorCache* const cc, + uint32_t argb) { + return VP8LHashPix(argb, cc->hash_shift_); +} + +// Return the key if cc contains argb, and -1 otherwise. +static WEBP_INLINE int VP8LColorCacheContains(const VP8LColorCache* const cc, + uint32_t argb) { + const int key = VP8LHashPix(argb, cc->hash_shift_); + return (cc->colors_[key] == argb) ? key : -1; +} + +//------------------------------------------------------------------------------ + +// Initializes the color cache with 'hash_bits' bits for the keys. +// Returns false in case of memory error. +int VP8LColorCacheInit(VP8LColorCache* const color_cache, int hash_bits); + +void VP8LColorCacheCopy(const VP8LColorCache* const src, + VP8LColorCache* const dst); + +// Delete the memory associated to color cache. +void VP8LColorCacheClear(VP8LColorCache* const color_cache); + +//------------------------------------------------------------------------------ + +#ifdef __cplusplus +} +#endif + +#endif // WEBP_UTILS_COLOR_CACHE_UTILS_H_ diff --git a/ProductApp/Pods/libwebp/src/utils/endian_inl_utils.h b/ProductApp/Pods/libwebp/src/utils/endian_inl_utils.h new file mode 100644 index 0000000..3630a29 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/endian_inl_utils.h @@ -0,0 +1,93 @@ +// Copyright 2014 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Endian related functions. + +#ifndef WEBP_UTILS_ENDIAN_INL_UTILS_H_ +#define WEBP_UTILS_ENDIAN_INL_UTILS_H_ + +#ifdef HAVE_CONFIG_H +#include "src/webp/config.h" +#endif + +#include "src/dsp/dsp.h" +#include "src/webp/types.h" + +#if defined(WORDS_BIGENDIAN) +#define HToLE32 BSwap32 +#define HToLE16 BSwap16 +#else +#define HToLE32(x) (x) +#define HToLE16(x) (x) +#endif + +#if !defined(HAVE_CONFIG_H) +#if LOCAL_GCC_PREREQ(4,8) || __has_builtin(__builtin_bswap16) +#define HAVE_BUILTIN_BSWAP16 +#endif +#if LOCAL_GCC_PREREQ(4,3) || __has_builtin(__builtin_bswap32) +#define HAVE_BUILTIN_BSWAP32 +#endif +#if LOCAL_GCC_PREREQ(4,3) || __has_builtin(__builtin_bswap64) +#define HAVE_BUILTIN_BSWAP64 +#endif +#endif // !HAVE_CONFIG_H + +static WEBP_INLINE uint16_t BSwap16(uint16_t x) { +#if defined(HAVE_BUILTIN_BSWAP16) + return __builtin_bswap16(x); +#elif defined(_MSC_VER) + return _byteswap_ushort(x); +#else + // gcc will recognize a 'rorw $8, ...' here: + return (x >> 8) | ((x & 0xff) << 8); +#endif // HAVE_BUILTIN_BSWAP16 +} + +static WEBP_INLINE uint32_t BSwap32(uint32_t x) { +#if defined(WEBP_USE_MIPS32_R2) + uint32_t ret; + __asm__ volatile ( + "wsbh %[ret], %[x] \n\t" + "rotr %[ret], %[ret], 16 \n\t" + : [ret]"=r"(ret) + : [x]"r"(x) + ); + return ret; +#elif defined(HAVE_BUILTIN_BSWAP32) + return __builtin_bswap32(x); +#elif defined(__i386__) || defined(__x86_64__) + uint32_t swapped_bytes; + __asm__ volatile("bswap %0" : "=r"(swapped_bytes) : "0"(x)); + return swapped_bytes; +#elif defined(_MSC_VER) + return (uint32_t)_byteswap_ulong(x); +#else + return (x >> 24) | ((x >> 8) & 0xff00) | ((x << 8) & 0xff0000) | (x << 24); +#endif // HAVE_BUILTIN_BSWAP32 +} + +static WEBP_INLINE uint64_t BSwap64(uint64_t x) { +#if defined(HAVE_BUILTIN_BSWAP64) + return __builtin_bswap64(x); +#elif defined(__x86_64__) + uint64_t swapped_bytes; + __asm__ volatile("bswapq %0" : "=r"(swapped_bytes) : "0"(x)); + return swapped_bytes; +#elif defined(_MSC_VER) + return (uint64_t)_byteswap_uint64(x); +#else // generic code for swapping 64-bit values (suggested by bdb@) + x = ((x & 0xffffffff00000000ull) >> 32) | ((x & 0x00000000ffffffffull) << 32); + x = ((x & 0xffff0000ffff0000ull) >> 16) | ((x & 0x0000ffff0000ffffull) << 16); + x = ((x & 0xff00ff00ff00ff00ull) >> 8) | ((x & 0x00ff00ff00ff00ffull) << 8); + return x; +#endif // HAVE_BUILTIN_BSWAP64 +} + +#endif // WEBP_UTILS_ENDIAN_INL_UTILS_H_ diff --git a/ProductApp/Pods/libwebp/src/utils/filters_utils.c b/ProductApp/Pods/libwebp/src/utils/filters_utils.c new file mode 100644 index 0000000..bbc2c34 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/filters_utils.c @@ -0,0 +1,76 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// filter estimation +// +// Author: Urvang (urvang@google.com) + +#include "src/utils/filters_utils.h" +#include +#include + +// ----------------------------------------------------------------------------- +// Quick estimate of a potentially interesting filter mode to try. + +#define SMAX 16 +#define SDIFF(a, b) (abs((a) - (b)) >> 4) // Scoring diff, in [0..SMAX) + +static WEBP_INLINE int GradientPredictor(uint8_t a, uint8_t b, uint8_t c) { + const int g = a + b - c; + return ((g & ~0xff) == 0) ? g : (g < 0) ? 0 : 255; // clip to 8bit +} + +WEBP_FILTER_TYPE WebPEstimateBestFilter(const uint8_t* data, + int width, int height, int stride) { + int i, j; + int bins[WEBP_FILTER_LAST][SMAX]; + memset(bins, 0, sizeof(bins)); + + // We only sample every other pixels. That's enough. + for (j = 2; j < height - 1; j += 2) { + const uint8_t* const p = data + j * stride; + int mean = p[0]; + for (i = 2; i < width - 1; i += 2) { + const int diff0 = SDIFF(p[i], mean); + const int diff1 = SDIFF(p[i], p[i - 1]); + const int diff2 = SDIFF(p[i], p[i - width]); + const int grad_pred = + GradientPredictor(p[i - 1], p[i - width], p[i - width - 1]); + const int diff3 = SDIFF(p[i], grad_pred); + bins[WEBP_FILTER_NONE][diff0] = 1; + bins[WEBP_FILTER_HORIZONTAL][diff1] = 1; + bins[WEBP_FILTER_VERTICAL][diff2] = 1; + bins[WEBP_FILTER_GRADIENT][diff3] = 1; + mean = (3 * mean + p[i] + 2) >> 2; + } + } + { + int filter; + WEBP_FILTER_TYPE best_filter = WEBP_FILTER_NONE; + int best_score = 0x7fffffff; + for (filter = WEBP_FILTER_NONE; filter < WEBP_FILTER_LAST; ++filter) { + int score = 0; + for (i = 0; i < SMAX; ++i) { + if (bins[filter][i] > 0) { + score += i; + } + } + if (score < best_score) { + best_score = score; + best_filter = (WEBP_FILTER_TYPE)filter; + } + } + return best_filter; + } +} + +#undef SMAX +#undef SDIFF + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/utils/filters_utils.h b/ProductApp/Pods/libwebp/src/utils/filters_utils.h new file mode 100644 index 0000000..61da66e --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/filters_utils.h @@ -0,0 +1,32 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Spatial prediction using various filters +// +// Author: Urvang (urvang@google.com) + +#ifndef WEBP_UTILS_FILTERS_UTILS_H_ +#define WEBP_UTILS_FILTERS_UTILS_H_ + +#include "src/webp/types.h" +#include "src/dsp/dsp.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// Fast estimate of a potentially good filter. +WEBP_FILTER_TYPE WebPEstimateBestFilter(const uint8_t* data, + int width, int height, int stride); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_UTILS_FILTERS_UTILS_H_ diff --git a/ProductApp/Pods/libwebp/src/utils/huffman_encode_utils.c b/ProductApp/Pods/libwebp/src/utils/huffman_encode_utils.c new file mode 100644 index 0000000..585db91 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/huffman_encode_utils.c @@ -0,0 +1,416 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Author: Jyrki Alakuijala (jyrki@google.com) +// +// Entropy encoding (Huffman) for webp lossless. + +#include +#include +#include +#include "src/utils/huffman_encode_utils.h" +#include "src/utils/utils.h" +#include "src/webp/format_constants.h" + +// ----------------------------------------------------------------------------- +// Util function to optimize the symbol map for RLE coding + +// Heuristics for selecting the stride ranges to collapse. +static int ValuesShouldBeCollapsedToStrideAverage(int a, int b) { + return abs(a - b) < 4; +} + +// Change the population counts in a way that the consequent +// Huffman tree compression, especially its RLE-part, give smaller output. +static void OptimizeHuffmanForRle(int length, uint8_t* const good_for_rle, + uint32_t* const counts) { + // 1) Let's make the Huffman code more compatible with rle encoding. + int i; + for (; length >= 0; --length) { + if (length == 0) { + return; // All zeros. + } + if (counts[length - 1] != 0) { + // Now counts[0..length - 1] does not have trailing zeros. + break; + } + } + // 2) Let's mark all population counts that already can be encoded + // with an rle code. + { + // Let's not spoil any of the existing good rle codes. + // Mark any seq of 0's that is longer as 5 as a good_for_rle. + // Mark any seq of non-0's that is longer as 7 as a good_for_rle. + uint32_t symbol = counts[0]; + int stride = 0; + for (i = 0; i < length + 1; ++i) { + if (i == length || counts[i] != symbol) { + if ((symbol == 0 && stride >= 5) || + (symbol != 0 && stride >= 7)) { + int k; + for (k = 0; k < stride; ++k) { + good_for_rle[i - k - 1] = 1; + } + } + stride = 1; + if (i != length) { + symbol = counts[i]; + } + } else { + ++stride; + } + } + } + // 3) Let's replace those population counts that lead to more rle codes. + { + uint32_t stride = 0; + uint32_t limit = counts[0]; + uint32_t sum = 0; + for (i = 0; i < length + 1; ++i) { + if (i == length || good_for_rle[i] || + (i != 0 && good_for_rle[i - 1]) || + !ValuesShouldBeCollapsedToStrideAverage(counts[i], limit)) { + if (stride >= 4 || (stride >= 3 && sum == 0)) { + uint32_t k; + // The stride must end, collapse what we have, if we have enough (4). + uint32_t count = (sum + stride / 2) / stride; + if (count < 1) { + count = 1; + } + if (sum == 0) { + // Don't make an all zeros stride to be upgraded to ones. + count = 0; + } + for (k = 0; k < stride; ++k) { + // We don't want to change value at counts[i], + // that is already belonging to the next stride. Thus - 1. + counts[i - k - 1] = count; + } + } + stride = 0; + sum = 0; + if (i < length - 3) { + // All interesting strides have a count of at least 4, + // at least when non-zeros. + limit = (counts[i] + counts[i + 1] + + counts[i + 2] + counts[i + 3] + 2) / 4; + } else if (i < length) { + limit = counts[i]; + } else { + limit = 0; + } + } + ++stride; + if (i != length) { + sum += counts[i]; + if (stride >= 4) { + limit = (sum + stride / 2) / stride; + } + } + } + } +} + +// A comparer function for two Huffman trees: sorts first by 'total count' +// (more comes first), and then by 'value' (more comes first). +static int CompareHuffmanTrees(const void* ptr1, const void* ptr2) { + const HuffmanTree* const t1 = (const HuffmanTree*)ptr1; + const HuffmanTree* const t2 = (const HuffmanTree*)ptr2; + if (t1->total_count_ > t2->total_count_) { + return -1; + } else if (t1->total_count_ < t2->total_count_) { + return 1; + } else { + assert(t1->value_ != t2->value_); + return (t1->value_ < t2->value_) ? -1 : 1; + } +} + +static void SetBitDepths(const HuffmanTree* const tree, + const HuffmanTree* const pool, + uint8_t* const bit_depths, int level) { + if (tree->pool_index_left_ >= 0) { + SetBitDepths(&pool[tree->pool_index_left_], pool, bit_depths, level + 1); + SetBitDepths(&pool[tree->pool_index_right_], pool, bit_depths, level + 1); + } else { + bit_depths[tree->value_] = level; + } +} + +// Create an optimal Huffman tree. +// +// (data,length): population counts. +// tree_limit: maximum bit depth (inclusive) of the codes. +// bit_depths[]: how many bits are used for the symbol. +// +// Returns 0 when an error has occurred. +// +// The catch here is that the tree cannot be arbitrarily deep +// +// count_limit is the value that is to be faked as the minimum value +// and this minimum value is raised until the tree matches the +// maximum length requirement. +// +// This algorithm is not of excellent performance for very long data blocks, +// especially when population counts are longer than 2**tree_limit, but +// we are not planning to use this with extremely long blocks. +// +// See https://en.wikipedia.org/wiki/Huffman_coding +static void GenerateOptimalTree(const uint32_t* const histogram, + int histogram_size, + HuffmanTree* tree, int tree_depth_limit, + uint8_t* const bit_depths) { + uint32_t count_min; + HuffmanTree* tree_pool; + int tree_size_orig = 0; + int i; + + for (i = 0; i < histogram_size; ++i) { + if (histogram[i] != 0) { + ++tree_size_orig; + } + } + + if (tree_size_orig == 0) { // pretty optimal already! + return; + } + + tree_pool = tree + tree_size_orig; + + // For block sizes with less than 64k symbols we never need to do a + // second iteration of this loop. + // If we actually start running inside this loop a lot, we would perhaps + // be better off with the Katajainen algorithm. + assert(tree_size_orig <= (1 << (tree_depth_limit - 1))); + for (count_min = 1; ; count_min *= 2) { + int tree_size = tree_size_orig; + // We need to pack the Huffman tree in tree_depth_limit bits. + // So, we try by faking histogram entries to be at least 'count_min'. + int idx = 0; + int j; + for (j = 0; j < histogram_size; ++j) { + if (histogram[j] != 0) { + const uint32_t count = + (histogram[j] < count_min) ? count_min : histogram[j]; + tree[idx].total_count_ = count; + tree[idx].value_ = j; + tree[idx].pool_index_left_ = -1; + tree[idx].pool_index_right_ = -1; + ++idx; + } + } + + // Build the Huffman tree. + qsort(tree, tree_size, sizeof(*tree), CompareHuffmanTrees); + + if (tree_size > 1) { // Normal case. + int tree_pool_size = 0; + while (tree_size > 1) { // Finish when we have only one root. + uint32_t count; + tree_pool[tree_pool_size++] = tree[tree_size - 1]; + tree_pool[tree_pool_size++] = tree[tree_size - 2]; + count = tree_pool[tree_pool_size - 1].total_count_ + + tree_pool[tree_pool_size - 2].total_count_; + tree_size -= 2; + { + // Search for the insertion point. + int k; + for (k = 0; k < tree_size; ++k) { + if (tree[k].total_count_ <= count) { + break; + } + } + memmove(tree + (k + 1), tree + k, (tree_size - k) * sizeof(*tree)); + tree[k].total_count_ = count; + tree[k].value_ = -1; + + tree[k].pool_index_left_ = tree_pool_size - 1; + tree[k].pool_index_right_ = tree_pool_size - 2; + tree_size = tree_size + 1; + } + } + SetBitDepths(&tree[0], tree_pool, bit_depths, 0); + } else if (tree_size == 1) { // Trivial case: only one element. + bit_depths[tree[0].value_] = 1; + } + + { + // Test if this Huffman tree satisfies our 'tree_depth_limit' criteria. + int max_depth = bit_depths[0]; + for (j = 1; j < histogram_size; ++j) { + if (max_depth < bit_depths[j]) { + max_depth = bit_depths[j]; + } + } + if (max_depth <= tree_depth_limit) { + break; + } + } + } +} + +// ----------------------------------------------------------------------------- +// Coding of the Huffman tree values + +static HuffmanTreeToken* CodeRepeatedValues(int repetitions, + HuffmanTreeToken* tokens, + int value, int prev_value) { + assert(value <= MAX_ALLOWED_CODE_LENGTH); + if (value != prev_value) { + tokens->code = value; + tokens->extra_bits = 0; + ++tokens; + --repetitions; + } + while (repetitions >= 1) { + if (repetitions < 3) { + int i; + for (i = 0; i < repetitions; ++i) { + tokens->code = value; + tokens->extra_bits = 0; + ++tokens; + } + break; + } else if (repetitions < 7) { + tokens->code = 16; + tokens->extra_bits = repetitions - 3; + ++tokens; + break; + } else { + tokens->code = 16; + tokens->extra_bits = 3; + ++tokens; + repetitions -= 6; + } + } + return tokens; +} + +static HuffmanTreeToken* CodeRepeatedZeros(int repetitions, + HuffmanTreeToken* tokens) { + while (repetitions >= 1) { + if (repetitions < 3) { + int i; + for (i = 0; i < repetitions; ++i) { + tokens->code = 0; // 0-value + tokens->extra_bits = 0; + ++tokens; + } + break; + } else if (repetitions < 11) { + tokens->code = 17; + tokens->extra_bits = repetitions - 3; + ++tokens; + break; + } else if (repetitions < 139) { + tokens->code = 18; + tokens->extra_bits = repetitions - 11; + ++tokens; + break; + } else { + tokens->code = 18; + tokens->extra_bits = 0x7f; // 138 repeated 0s + ++tokens; + repetitions -= 138; + } + } + return tokens; +} + +int VP8LCreateCompressedHuffmanTree(const HuffmanTreeCode* const tree, + HuffmanTreeToken* tokens, int max_tokens) { + HuffmanTreeToken* const starting_token = tokens; + HuffmanTreeToken* const ending_token = tokens + max_tokens; + const int depth_size = tree->num_symbols; + int prev_value = 8; // 8 is the initial value for rle. + int i = 0; + assert(tokens != NULL); + while (i < depth_size) { + const int value = tree->code_lengths[i]; + int k = i + 1; + int runs; + while (k < depth_size && tree->code_lengths[k] == value) ++k; + runs = k - i; + if (value == 0) { + tokens = CodeRepeatedZeros(runs, tokens); + } else { + tokens = CodeRepeatedValues(runs, tokens, value, prev_value); + prev_value = value; + } + i += runs; + assert(tokens <= ending_token); + } + (void)ending_token; // suppress 'unused variable' warning + return (int)(tokens - starting_token); +} + +// ----------------------------------------------------------------------------- + +// Pre-reversed 4-bit values. +static const uint8_t kReversedBits[16] = { + 0x0, 0x8, 0x4, 0xc, 0x2, 0xa, 0x6, 0xe, + 0x1, 0x9, 0x5, 0xd, 0x3, 0xb, 0x7, 0xf +}; + +static uint32_t ReverseBits(int num_bits, uint32_t bits) { + uint32_t retval = 0; + int i = 0; + while (i < num_bits) { + i += 4; + retval |= kReversedBits[bits & 0xf] << (MAX_ALLOWED_CODE_LENGTH + 1 - i); + bits >>= 4; + } + retval >>= (MAX_ALLOWED_CODE_LENGTH + 1 - num_bits); + return retval; +} + +// Get the actual bit values for a tree of bit depths. +static void ConvertBitDepthsToSymbols(HuffmanTreeCode* const tree) { + // 0 bit-depth means that the symbol does not exist. + int i; + int len; + uint32_t next_code[MAX_ALLOWED_CODE_LENGTH + 1]; + int depth_count[MAX_ALLOWED_CODE_LENGTH + 1] = { 0 }; + + assert(tree != NULL); + len = tree->num_symbols; + for (i = 0; i < len; ++i) { + const int code_length = tree->code_lengths[i]; + assert(code_length <= MAX_ALLOWED_CODE_LENGTH); + ++depth_count[code_length]; + } + depth_count[0] = 0; // ignore unused symbol + next_code[0] = 0; + { + uint32_t code = 0; + for (i = 1; i <= MAX_ALLOWED_CODE_LENGTH; ++i) { + code = (code + depth_count[i - 1]) << 1; + next_code[i] = code; + } + } + for (i = 0; i < len; ++i) { + const int code_length = tree->code_lengths[i]; + tree->codes[i] = ReverseBits(code_length, next_code[code_length]++); + } +} + +// ----------------------------------------------------------------------------- +// Main entry point + +void VP8LCreateHuffmanTree(uint32_t* const histogram, int tree_depth_limit, + uint8_t* const buf_rle, HuffmanTree* const huff_tree, + HuffmanTreeCode* const huff_code) { + const int num_symbols = huff_code->num_symbols; + memset(buf_rle, 0, num_symbols * sizeof(*buf_rle)); + OptimizeHuffmanForRle(num_symbols, buf_rle, histogram); + GenerateOptimalTree(histogram, num_symbols, huff_tree, tree_depth_limit, + huff_code->code_lengths); + // Create the actual bit codes for the bit lengths. + ConvertBitDepthsToSymbols(huff_code); +} diff --git a/ProductApp/Pods/libwebp/src/utils/huffman_encode_utils.h b/ProductApp/Pods/libwebp/src/utils/huffman_encode_utils.h new file mode 100644 index 0000000..3f7f1d8 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/huffman_encode_utils.h @@ -0,0 +1,60 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Author: Jyrki Alakuijala (jyrki@google.com) +// +// Entropy encoding (Huffman) for webp lossless + +#ifndef WEBP_UTILS_HUFFMAN_ENCODE_UTILS_H_ +#define WEBP_UTILS_HUFFMAN_ENCODE_UTILS_H_ + +#include "src/webp/types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// Struct for holding the tree header in coded form. +typedef struct { + uint8_t code; // value (0..15) or escape code (16,17,18) + uint8_t extra_bits; // extra bits for escape codes +} HuffmanTreeToken; + +// Struct to represent the tree codes (depth and bits array). +typedef struct { + int num_symbols; // Number of symbols. + uint8_t* code_lengths; // Code lengths of the symbols. + uint16_t* codes; // Symbol Codes. +} HuffmanTreeCode; + +// Struct to represent the Huffman tree. +typedef struct { + uint32_t total_count_; // Symbol frequency. + int value_; // Symbol value. + int pool_index_left_; // Index for the left sub-tree. + int pool_index_right_; // Index for the right sub-tree. +} HuffmanTree; + +// Turn the Huffman tree into a token sequence. +// Returns the number of tokens used. +int VP8LCreateCompressedHuffmanTree(const HuffmanTreeCode* const tree, + HuffmanTreeToken* tokens, int max_tokens); + +// Create an optimized tree, and tokenize it. +// 'buf_rle' and 'huff_tree' are pre-allocated and the 'tree' is the constructed +// huffman code tree. +void VP8LCreateHuffmanTree(uint32_t* const histogram, int tree_depth_limit, + uint8_t* const buf_rle, HuffmanTree* const huff_tree, + HuffmanTreeCode* const huff_code); + +#ifdef __cplusplus +} +#endif + +#endif // WEBP_UTILS_HUFFMAN_ENCODE_UTILS_H_ diff --git a/ProductApp/Pods/libwebp/src/utils/huffman_utils.c b/ProductApp/Pods/libwebp/src/utils/huffman_utils.c new file mode 100644 index 0000000..cf73abd --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/huffman_utils.c @@ -0,0 +1,296 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Utilities for building and looking up Huffman trees. +// +// Author: Urvang Joshi (urvang@google.com) + +#include +#include +#include +#include "src/utils/huffman_utils.h" +#include "src/utils/utils.h" +#include "src/webp/format_constants.h" + +// Huffman data read via DecodeImageStream is represented in two (red and green) +// bytes. +#define MAX_HTREE_GROUPS 0x10000 + +HTreeGroup* VP8LHtreeGroupsNew(int num_htree_groups) { + HTreeGroup* const htree_groups = + (HTreeGroup*)WebPSafeMalloc(num_htree_groups, sizeof(*htree_groups)); + if (htree_groups == NULL) { + return NULL; + } + assert(num_htree_groups <= MAX_HTREE_GROUPS); + return htree_groups; +} + +void VP8LHtreeGroupsFree(HTreeGroup* const htree_groups) { + if (htree_groups != NULL) { + WebPSafeFree(htree_groups); + } +} + +// Returns reverse(reverse(key, len) + 1, len), where reverse(key, len) is the +// bit-wise reversal of the len least significant bits of key. +static WEBP_INLINE uint32_t GetNextKey(uint32_t key, int len) { + uint32_t step = 1 << (len - 1); + while (key & step) { + step >>= 1; + } + return step ? (key & (step - 1)) + step : key; +} + +// Stores code in table[0], table[step], table[2*step], ..., table[end]. +// Assumes that end is an integer multiple of step. +static WEBP_INLINE void ReplicateValue(HuffmanCode* table, + int step, int end, + HuffmanCode code) { + assert(end % step == 0); + do { + end -= step; + table[end] = code; + } while (end > 0); +} + +// Returns the table width of the next 2nd level table. count is the histogram +// of bit lengths for the remaining symbols, len is the code length of the next +// processed symbol +static WEBP_INLINE int NextTableBitSize(const int* const count, + int len, int root_bits) { + int left = 1 << (len - root_bits); + while (len < MAX_ALLOWED_CODE_LENGTH) { + left -= count[len]; + if (left <= 0) break; + ++len; + left <<= 1; + } + return len - root_bits; +} + +// sorted[code_lengths_size] is a pre-allocated array for sorting symbols +// by code length. +static int BuildHuffmanTable(HuffmanCode* const root_table, int root_bits, + const int code_lengths[], int code_lengths_size, + uint16_t sorted[]) { + HuffmanCode* table = root_table; // next available space in table + int total_size = 1 << root_bits; // total size root table + 2nd level table + int len; // current code length + int symbol; // symbol index in original or sorted table + // number of codes of each length: + int count[MAX_ALLOWED_CODE_LENGTH + 1] = { 0 }; + // offsets in sorted table for each length: + int offset[MAX_ALLOWED_CODE_LENGTH + 1]; + + assert(code_lengths_size != 0); + assert(code_lengths != NULL); + assert((root_table != NULL && sorted != NULL) || + (root_table == NULL && sorted == NULL)); + assert(root_bits > 0); + + // Build histogram of code lengths. + for (symbol = 0; symbol < code_lengths_size; ++symbol) { + if (code_lengths[symbol] > MAX_ALLOWED_CODE_LENGTH) { + return 0; + } + ++count[code_lengths[symbol]]; + } + + // Error, all code lengths are zeros. + if (count[0] == code_lengths_size) { + return 0; + } + + // Generate offsets into sorted symbol table by code length. + offset[1] = 0; + for (len = 1; len < MAX_ALLOWED_CODE_LENGTH; ++len) { + if (count[len] > (1 << len)) { + return 0; + } + offset[len + 1] = offset[len] + count[len]; + } + + // Sort symbols by length, by symbol order within each length. + for (symbol = 0; symbol < code_lengths_size; ++symbol) { + const int symbol_code_length = code_lengths[symbol]; + if (code_lengths[symbol] > 0) { + if (sorted != NULL) { + sorted[offset[symbol_code_length]++] = symbol; + } else { + offset[symbol_code_length]++; + } + } + } + + // Special case code with only one value. + if (offset[MAX_ALLOWED_CODE_LENGTH] == 1) { + if (sorted != NULL) { + HuffmanCode code; + code.bits = 0; + code.value = (uint16_t)sorted[0]; + ReplicateValue(table, 1, total_size, code); + } + return total_size; + } + + { + int step; // step size to replicate values in current table + uint32_t low = 0xffffffffu; // low bits for current root entry + uint32_t mask = total_size - 1; // mask for low bits + uint32_t key = 0; // reversed prefix code + int num_nodes = 1; // number of Huffman tree nodes + int num_open = 1; // number of open branches in current tree level + int table_bits = root_bits; // key length of current table + int table_size = 1 << table_bits; // size of current table + symbol = 0; + // Fill in root table. + for (len = 1, step = 2; len <= root_bits; ++len, step <<= 1) { + num_open <<= 1; + num_nodes += num_open; + num_open -= count[len]; + if (num_open < 0) { + return 0; + } + if (root_table == NULL) continue; + for (; count[len] > 0; --count[len]) { + HuffmanCode code; + code.bits = (uint8_t)len; + code.value = (uint16_t)sorted[symbol++]; + ReplicateValue(&table[key], step, table_size, code); + key = GetNextKey(key, len); + } + } + + // Fill in 2nd level tables and add pointers to root table. + for (len = root_bits + 1, step = 2; len <= MAX_ALLOWED_CODE_LENGTH; + ++len, step <<= 1) { + num_open <<= 1; + num_nodes += num_open; + num_open -= count[len]; + if (num_open < 0) { + return 0; + } + for (; count[len] > 0; --count[len]) { + HuffmanCode code; + if ((key & mask) != low) { + if (root_table != NULL) table += table_size; + table_bits = NextTableBitSize(count, len, root_bits); + table_size = 1 << table_bits; + total_size += table_size; + low = key & mask; + if (root_table != NULL) { + root_table[low].bits = (uint8_t)(table_bits + root_bits); + root_table[low].value = (uint16_t)((table - root_table) - low); + } + } + if (root_table != NULL) { + code.bits = (uint8_t)(len - root_bits); + code.value = (uint16_t)sorted[symbol++]; + ReplicateValue(&table[key >> root_bits], step, table_size, code); + } + key = GetNextKey(key, len); + } + } + + // Check if tree is full. + if (num_nodes != 2 * offset[MAX_ALLOWED_CODE_LENGTH] - 1) { + return 0; + } + } + + return total_size; +} + +// Maximum code_lengths_size is 2328 (reached for 11-bit color_cache_bits). +// More commonly, the value is around ~280. +#define MAX_CODE_LENGTHS_SIZE \ + ((1 << MAX_CACHE_BITS) + NUM_LITERAL_CODES + NUM_LENGTH_CODES) +// Cut-off value for switching between heap and stack allocation. +#define SORTED_SIZE_CUTOFF 512 +int VP8LBuildHuffmanTable(HuffmanTables* const root_table, int root_bits, + const int code_lengths[], int code_lengths_size) { + const int total_size = + BuildHuffmanTable(NULL, root_bits, code_lengths, code_lengths_size, NULL); + assert(code_lengths_size <= MAX_CODE_LENGTHS_SIZE); + if (total_size == 0 || root_table == NULL) return total_size; + + if (root_table->curr_segment->curr_table + total_size >= + root_table->curr_segment->start + root_table->curr_segment->size) { + // If 'root_table' does not have enough memory, allocate a new segment. + // The available part of root_table->curr_segment is left unused because we + // need a contiguous buffer. + const int segment_size = root_table->curr_segment->size; + struct HuffmanTablesSegment* next = + (HuffmanTablesSegment*)WebPSafeMalloc(1, sizeof(*next)); + if (next == NULL) return 0; + // Fill the new segment. + // We need at least 'total_size' but if that value is small, it is better to + // allocate a big chunk to prevent more allocations later. 'segment_size' is + // therefore chosen (any other arbitrary value could be chosen). + next->size = total_size > segment_size ? total_size : segment_size; + next->start = + (HuffmanCode*)WebPSafeMalloc(next->size, sizeof(*next->start)); + if (next->start == NULL) { + WebPSafeFree(next); + return 0; + } + next->curr_table = next->start; + next->next = NULL; + // Point to the new segment. + root_table->curr_segment->next = next; + root_table->curr_segment = next; + } + if (code_lengths_size <= SORTED_SIZE_CUTOFF) { + // use local stack-allocated array. + uint16_t sorted[SORTED_SIZE_CUTOFF]; + BuildHuffmanTable(root_table->curr_segment->curr_table, root_bits, + code_lengths, code_lengths_size, sorted); + } else { // rare case. Use heap allocation. + uint16_t* const sorted = + (uint16_t*)WebPSafeMalloc(code_lengths_size, sizeof(*sorted)); + if (sorted == NULL) return 0; + BuildHuffmanTable(root_table->curr_segment->curr_table, root_bits, + code_lengths, code_lengths_size, sorted); + WebPSafeFree(sorted); + } + return total_size; +} + +int VP8LHuffmanTablesAllocate(int size, HuffmanTables* huffman_tables) { + // Have 'segment' point to the first segment for now, 'root'. + HuffmanTablesSegment* const root = &huffman_tables->root; + huffman_tables->curr_segment = root; + // Allocate root. + root->start = (HuffmanCode*)WebPSafeMalloc(size, sizeof(*root->start)); + if (root->start == NULL) return 0; + root->curr_table = root->start; + root->next = NULL; + root->size = size; + return 1; +} + +void VP8LHuffmanTablesDeallocate(HuffmanTables* const huffman_tables) { + HuffmanTablesSegment *current, *next; + if (huffman_tables == NULL) return; + // Free the root node. + current = &huffman_tables->root; + next = current->next; + WebPSafeFree(current->start); + current->start = NULL; + current->next = NULL; + current = next; + // Free the following nodes. + while (current != NULL) { + next = current->next; + WebPSafeFree(current->start); + WebPSafeFree(current); + current = next; + } +} diff --git a/ProductApp/Pods/libwebp/src/utils/huffman_utils.h b/ProductApp/Pods/libwebp/src/utils/huffman_utils.h new file mode 100644 index 0000000..98415c5 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/huffman_utils.h @@ -0,0 +1,111 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Utilities for building and looking up Huffman trees. +// +// Author: Urvang Joshi (urvang@google.com) + +#ifndef WEBP_UTILS_HUFFMAN_UTILS_H_ +#define WEBP_UTILS_HUFFMAN_UTILS_H_ + +#include +#include "src/webp/format_constants.h" +#include "src/webp/types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define HUFFMAN_TABLE_BITS 8 +#define HUFFMAN_TABLE_MASK ((1 << HUFFMAN_TABLE_BITS) - 1) + +#define LENGTHS_TABLE_BITS 7 +#define LENGTHS_TABLE_MASK ((1 << LENGTHS_TABLE_BITS) - 1) + + +// Huffman lookup table entry +typedef struct { + uint8_t bits; // number of bits used for this symbol + uint16_t value; // symbol value or table offset +} HuffmanCode; + +// long version for holding 32b values +typedef struct { + int bits; // number of bits used for this symbol, + // or an impossible value if not a literal code. + uint32_t value; // 32b packed ARGB value if literal, + // or non-literal symbol otherwise +} HuffmanCode32; + +// Contiguous memory segment of HuffmanCodes. +typedef struct HuffmanTablesSegment { + HuffmanCode* start; + // Pointer to where we are writing into the segment. Starts at 'start' and + // cannot go beyond 'start' + 'size'. + HuffmanCode* curr_table; + // Pointer to the next segment in the chain. + struct HuffmanTablesSegment* next; + int size; +} HuffmanTablesSegment; + +// Chained memory segments of HuffmanCodes. +typedef struct HuffmanTables { + HuffmanTablesSegment root; + // Currently processed segment. At first, this is 'root'. + HuffmanTablesSegment* curr_segment; +} HuffmanTables; + +// Allocates a HuffmanTables with 'size' contiguous HuffmanCodes. Returns 0 on +// memory allocation error, 1 otherwise. +int VP8LHuffmanTablesAllocate(int size, HuffmanTables* huffman_tables); +void VP8LHuffmanTablesDeallocate(HuffmanTables* const huffman_tables); + +#define HUFFMAN_PACKED_BITS 6 +#define HUFFMAN_PACKED_TABLE_SIZE (1u << HUFFMAN_PACKED_BITS) + +// Huffman table group. +// Includes special handling for the following cases: +// - is_trivial_literal: one common literal base for RED/BLUE/ALPHA (not GREEN) +// - is_trivial_code: only 1 code (no bit is read from bitstream) +// - use_packed_table: few enough literal symbols, so all the bit codes +// can fit into a small look-up table packed_table[] +// The common literal base, if applicable, is stored in 'literal_arb'. +typedef struct HTreeGroup HTreeGroup; +struct HTreeGroup { + HuffmanCode* htrees[HUFFMAN_CODES_PER_META_CODE]; + int is_trivial_literal; // True, if huffman trees for Red, Blue & Alpha + // Symbols are trivial (have a single code). + uint32_t literal_arb; // If is_trivial_literal is true, this is the + // ARGB value of the pixel, with Green channel + // being set to zero. + int is_trivial_code; // true if is_trivial_literal with only one code + int use_packed_table; // use packed table below for short literal code + // table mapping input bits to a packed values, or escape case to literal code + HuffmanCode32 packed_table[HUFFMAN_PACKED_TABLE_SIZE]; +}; + +// Creates the instance of HTreeGroup with specified number of tree-groups. +HTreeGroup* VP8LHtreeGroupsNew(int num_htree_groups); + +// Releases the memory allocated for HTreeGroup. +void VP8LHtreeGroupsFree(HTreeGroup* const htree_groups); + +// Builds Huffman lookup table assuming code lengths are in symbol order. +// The 'code_lengths' is pre-allocated temporary memory buffer used for creating +// the huffman table. +// Returns built table size or 0 in case of error (invalid tree or +// memory error). +int VP8LBuildHuffmanTable(HuffmanTables* const root_table, int root_bits, + const int code_lengths[], int code_lengths_size); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_UTILS_HUFFMAN_UTILS_H_ diff --git a/ProductApp/Pods/libwebp/src/utils/quant_levels_dec_utils.c b/ProductApp/Pods/libwebp/src/utils/quant_levels_dec_utils.c new file mode 100644 index 0000000..97e7893 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/quant_levels_dec_utils.c @@ -0,0 +1,291 @@ +// Copyright 2013 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Implement gradient smoothing: we replace a current alpha value by its +// surrounding average if it's close enough (that is: the change will be less +// than the minimum distance between two quantized level). +// We use sliding window for computing the 2d moving average. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/utils/quant_levels_dec_utils.h" + +#include // for memset + +#include "src/utils/utils.h" + +// #define USE_DITHERING // uncomment to enable ordered dithering (not vital) + +#define FIX 16 // fix-point precision for averaging +#define LFIX 2 // extra precision for look-up table +#define LUT_SIZE ((1 << (8 + LFIX)) - 1) // look-up table size + +#if defined(USE_DITHERING) + +#define DFIX 4 // extra precision for ordered dithering +#define DSIZE 4 // dithering size (must be a power of two) +// cf. https://en.wikipedia.org/wiki/Ordered_dithering +static const uint8_t kOrderedDither[DSIZE][DSIZE] = { + { 0, 8, 2, 10 }, // coefficients are in DFIX fixed-point precision + { 12, 4, 14, 6 }, + { 3, 11, 1, 9 }, + { 15, 7, 13, 5 } +}; + +#else +#define DFIX 0 +#endif + +typedef struct { + int width_, height_; // dimension + int stride_; // stride in bytes + int row_; // current input row being processed + uint8_t* src_; // input pointer + uint8_t* dst_; // output pointer + + int radius_; // filter radius (=delay) + int scale_; // normalization factor, in FIX bits precision + + void* mem_; // all memory + + // various scratch buffers + uint16_t* start_; + uint16_t* cur_; + uint16_t* end_; + uint16_t* top_; + uint16_t* average_; + + // input levels distribution + int num_levels_; // number of quantized levels + int min_, max_; // min and max level values + int min_level_dist_; // smallest distance between two consecutive levels + + int16_t* correction_; // size = 1 + 2*LUT_SIZE -> ~4k memory +} SmoothParams; + +//------------------------------------------------------------------------------ + +#define CLIP_8b_MASK (int)(~0U << (8 + DFIX)) +static WEBP_INLINE uint8_t clip_8b(int v) { + return (!(v & CLIP_8b_MASK)) ? (uint8_t)(v >> DFIX) : (v < 0) ? 0u : 255u; +} +#undef CLIP_8b_MASK + +// vertical accumulation +static void VFilter(SmoothParams* const p) { + const uint8_t* src = p->src_; + const int w = p->width_; + uint16_t* const cur = p->cur_; + const uint16_t* const top = p->top_; + uint16_t* const out = p->end_; + uint16_t sum = 0; // all arithmetic is modulo 16bit + int x; + + for (x = 0; x < w; ++x) { + uint16_t new_value; + sum += src[x]; + new_value = top[x] + sum; + out[x] = new_value - cur[x]; // vertical sum of 'r' pixels. + cur[x] = new_value; + } + // move input pointers one row down + p->top_ = p->cur_; + p->cur_ += w; + if (p->cur_ == p->end_) p->cur_ = p->start_; // roll-over + // We replicate edges, as it's somewhat easier as a boundary condition. + // That's why we don't update the 'src' pointer on top/bottom area: + if (p->row_ >= 0 && p->row_ < p->height_ - 1) { + p->src_ += p->stride_; + } +} + +// horizontal accumulation. We use mirror replication of missing pixels, as it's +// a little easier to implement (surprisingly). +static void HFilter(SmoothParams* const p) { + const uint16_t* const in = p->end_; + uint16_t* const out = p->average_; + const uint32_t scale = p->scale_; + const int w = p->width_; + const int r = p->radius_; + + int x; + for (x = 0; x <= r; ++x) { // left mirroring + const uint16_t delta = in[x + r - 1] + in[r - x]; + out[x] = (delta * scale) >> FIX; + } + for (; x < w - r; ++x) { // bulk middle run + const uint16_t delta = in[x + r] - in[x - r - 1]; + out[x] = (delta * scale) >> FIX; + } + for (; x < w; ++x) { // right mirroring + const uint16_t delta = + 2 * in[w - 1] - in[2 * w - 2 - r - x] - in[x - r - 1]; + out[x] = (delta * scale) >> FIX; + } +} + +// emit one filtered output row +static void ApplyFilter(SmoothParams* const p) { + const uint16_t* const average = p->average_; + const int w = p->width_; + const int16_t* const correction = p->correction_; +#if defined(USE_DITHERING) + const uint8_t* const dither = kOrderedDither[p->row_ % DSIZE]; +#endif + uint8_t* const dst = p->dst_; + int x; + for (x = 0; x < w; ++x) { + const int v = dst[x]; + if (v < p->max_ && v > p->min_) { + const int c = (v << DFIX) + correction[average[x] - (v << LFIX)]; +#if defined(USE_DITHERING) + dst[x] = clip_8b(c + dither[x % DSIZE]); +#else + dst[x] = clip_8b(c); +#endif + } + } + p->dst_ += p->stride_; // advance output pointer +} + +//------------------------------------------------------------------------------ +// Initialize correction table + +static void InitCorrectionLUT(int16_t* const lut, int min_dist) { + // The correction curve is: + // f(x) = x for x <= threshold2 + // f(x) = 0 for x >= threshold1 + // and a linear interpolation for range x=[threshold2, threshold1] + // (along with f(-x) = -f(x) symmetry). + // Note that: threshold2 = 3/4 * threshold1 + const int threshold1 = min_dist << LFIX; + const int threshold2 = (3 * threshold1) >> 2; + const int max_threshold = threshold2 << DFIX; + const int delta = threshold1 - threshold2; + int i; + for (i = 1; i <= LUT_SIZE; ++i) { + int c = (i <= threshold2) ? (i << DFIX) + : (i < threshold1) ? max_threshold * (threshold1 - i) / delta + : 0; + c >>= LFIX; + lut[+i] = +c; + lut[-i] = -c; + } + lut[0] = 0; +} + +static void CountLevels(SmoothParams* const p) { + int i, j, last_level; + uint8_t used_levels[256] = { 0 }; + const uint8_t* data = p->src_; + p->min_ = 255; + p->max_ = 0; + for (j = 0; j < p->height_; ++j) { + for (i = 0; i < p->width_; ++i) { + const int v = data[i]; + if (v < p->min_) p->min_ = v; + if (v > p->max_) p->max_ = v; + used_levels[v] = 1; + } + data += p->stride_; + } + // Compute the mininum distance between two non-zero levels. + p->min_level_dist_ = p->max_ - p->min_; + last_level = -1; + for (i = 0; i < 256; ++i) { + if (used_levels[i]) { + ++p->num_levels_; + if (last_level >= 0) { + const int level_dist = i - last_level; + if (level_dist < p->min_level_dist_) { + p->min_level_dist_ = level_dist; + } + } + last_level = i; + } + } +} + +// Initialize all params. +static int InitParams(uint8_t* const data, int width, int height, int stride, + int radius, SmoothParams* const p) { + const int R = 2 * radius + 1; // total size of the kernel + + const size_t size_scratch_m = (R + 1) * width * sizeof(*p->start_); + const size_t size_m = width * sizeof(*p->average_); + const size_t size_lut = (1 + 2 * LUT_SIZE) * sizeof(*p->correction_); + const size_t total_size = size_scratch_m + size_m + size_lut; + uint8_t* mem = (uint8_t*)WebPSafeMalloc(1U, total_size); + + if (mem == NULL) return 0; + p->mem_ = (void*)mem; + + p->start_ = (uint16_t*)mem; + p->cur_ = p->start_; + p->end_ = p->start_ + R * width; + p->top_ = p->end_ - width; + memset(p->top_, 0, width * sizeof(*p->top_)); + mem += size_scratch_m; + + p->average_ = (uint16_t*)mem; + mem += size_m; + + p->width_ = width; + p->height_ = height; + p->stride_ = stride; + p->src_ = data; + p->dst_ = data; + p->radius_ = radius; + p->scale_ = (1 << (FIX + LFIX)) / (R * R); // normalization constant + p->row_ = -radius; + + // analyze the input distribution so we can best-fit the threshold + CountLevels(p); + + // correction table + p->correction_ = ((int16_t*)mem) + LUT_SIZE; + InitCorrectionLUT(p->correction_, p->min_level_dist_); + + return 1; +} + +static void CleanupParams(SmoothParams* const p) { + WebPSafeFree(p->mem_); +} + +int WebPDequantizeLevels(uint8_t* const data, int width, int height, int stride, + int strength) { + int radius = 4 * strength / 100; + + if (strength < 0 || strength > 100) return 0; + if (data == NULL || width <= 0 || height <= 0) return 0; // bad params + + // limit the filter size to not exceed the image dimensions + if (2 * radius + 1 > width) radius = (width - 1) >> 1; + if (2 * radius + 1 > height) radius = (height - 1) >> 1; + + if (radius > 0) { + SmoothParams p; + memset(&p, 0, sizeof(p)); + if (!InitParams(data, width, height, stride, radius, &p)) return 0; + if (p.num_levels_ > 2) { + for (; p.row_ < p.height_; ++p.row_) { + VFilter(&p); // accumulate average of input + // Need to wait few rows in order to prime the filter, + // before emitting some output. + if (p.row_ >= p.radius_) { + HFilter(&p); + ApplyFilter(&p); + } + } + } + CleanupParams(&p); + } + return 1; +} diff --git a/ProductApp/Pods/libwebp/src/utils/quant_levels_dec_utils.h b/ProductApp/Pods/libwebp/src/utils/quant_levels_dec_utils.h new file mode 100644 index 0000000..327f19f --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/quant_levels_dec_utils.h @@ -0,0 +1,35 @@ +// Copyright 2013 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Alpha plane de-quantization utility +// +// Author: Vikas Arora (vikasa@google.com) + +#ifndef WEBP_UTILS_QUANT_LEVELS_DEC_UTILS_H_ +#define WEBP_UTILS_QUANT_LEVELS_DEC_UTILS_H_ + +#include "src/webp/types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// Apply post-processing to input 'data' of size 'width'x'height' assuming that +// the source was quantized to a reduced number of levels. 'stride' is in bytes. +// Strength is in [0..100] and controls the amount of dithering applied. +// Returns false in case of error (data is NULL, invalid parameters, +// malloc failure, ...). +int WebPDequantizeLevels(uint8_t* const data, int width, int height, int stride, + int strength); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_UTILS_QUANT_LEVELS_DEC_UTILS_H_ diff --git a/ProductApp/Pods/libwebp/src/utils/quant_levels_utils.c b/ProductApp/Pods/libwebp/src/utils/quant_levels_utils.c new file mode 100644 index 0000000..d65ad3c --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/quant_levels_utils.c @@ -0,0 +1,140 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Quantize levels for specified number of quantization-levels ([2, 256]). +// Min and max values are preserved (usual 0 and 255 for alpha plane). +// +// Author: Skal (pascal.massimino@gmail.com) + +#include + +#include "src/utils/quant_levels_utils.h" + +#define NUM_SYMBOLS 256 + +#define MAX_ITER 6 // Maximum number of convergence steps. +#define ERROR_THRESHOLD 1e-4 // MSE stopping criterion. + +// ----------------------------------------------------------------------------- +// Quantize levels. + +int QuantizeLevels(uint8_t* const data, int width, int height, + int num_levels, uint64_t* const sse) { + int freq[NUM_SYMBOLS] = { 0 }; + int q_level[NUM_SYMBOLS] = { 0 }; + double inv_q_level[NUM_SYMBOLS] = { 0 }; + int min_s = 255, max_s = 0; + const size_t data_size = height * width; + int i, num_levels_in, iter; + double last_err = 1.e38, err = 0.; + const double err_threshold = ERROR_THRESHOLD * data_size; + + if (data == NULL) { + return 0; + } + + if (width <= 0 || height <= 0) { + return 0; + } + + if (num_levels < 2 || num_levels > 256) { + return 0; + } + + { + size_t n; + num_levels_in = 0; + for (n = 0; n < data_size; ++n) { + num_levels_in += (freq[data[n]] == 0); + if (min_s > data[n]) min_s = data[n]; + if (max_s < data[n]) max_s = data[n]; + ++freq[data[n]]; + } + } + + if (num_levels_in <= num_levels) goto End; // nothing to do! + + // Start with uniformly spread centroids. + for (i = 0; i < num_levels; ++i) { + inv_q_level[i] = min_s + (double)(max_s - min_s) * i / (num_levels - 1); + } + + // Fixed values. Won't be changed. + q_level[min_s] = 0; + q_level[max_s] = num_levels - 1; + assert(inv_q_level[0] == min_s); + assert(inv_q_level[num_levels - 1] == max_s); + + // k-Means iterations. + for (iter = 0; iter < MAX_ITER; ++iter) { + double q_sum[NUM_SYMBOLS] = { 0 }; + double q_count[NUM_SYMBOLS] = { 0 }; + int s, slot = 0; + + // Assign classes to representatives. + for (s = min_s; s <= max_s; ++s) { + // Keep track of the nearest neighbour 'slot' + while (slot < num_levels - 1 && + 2 * s > inv_q_level[slot] + inv_q_level[slot + 1]) { + ++slot; + } + if (freq[s] > 0) { + q_sum[slot] += s * freq[s]; + q_count[slot] += freq[s]; + } + q_level[s] = slot; + } + + // Assign new representatives to classes. + if (num_levels > 2) { + for (slot = 1; slot < num_levels - 1; ++slot) { + const double count = q_count[slot]; + if (count > 0.) { + inv_q_level[slot] = q_sum[slot] / count; + } + } + } + + // Compute convergence error. + err = 0.; + for (s = min_s; s <= max_s; ++s) { + const double error = s - inv_q_level[q_level[s]]; + err += freq[s] * error * error; + } + + // Check for convergence: we stop as soon as the error is no + // longer improving. + if (last_err - err < err_threshold) break; + last_err = err; + } + + // Remap the alpha plane to quantized values. + { + // double->int rounding operation can be costly, so we do it + // once for all before remapping. We also perform the data[] -> slot + // mapping, while at it (avoid one indirection in the final loop). + uint8_t map[NUM_SYMBOLS]; + int s; + size_t n; + for (s = min_s; s <= max_s; ++s) { + const int slot = q_level[s]; + map[s] = (uint8_t)(inv_q_level[slot] + .5); + } + // Final pass. + for (n = 0; n < data_size; ++n) { + data[n] = map[data[n]]; + } + } + End: + // Store sum of squared error if needed. + if (sse != NULL) *sse = (uint64_t)err; + + return 1; +} + diff --git a/ProductApp/Pods/libwebp/src/utils/quant_levels_utils.h b/ProductApp/Pods/libwebp/src/utils/quant_levels_utils.h new file mode 100644 index 0000000..9ee3ea0 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/quant_levels_utils.h @@ -0,0 +1,36 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Alpha plane quantization utility +// +// Author: Vikas Arora (vikasa@google.com) + +#ifndef WEBP_UTILS_QUANT_LEVELS_UTILS_H_ +#define WEBP_UTILS_QUANT_LEVELS_UTILS_H_ + +#include + +#include "src/webp/types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// Replace the input 'data' of size 'width'x'height' with 'num-levels' +// quantized values. If not NULL, 'sse' will contain the sum of squared error. +// Valid range for 'num_levels' is [2, 256]. +// Returns false in case of error (data is NULL, or parameters are invalid). +int QuantizeLevels(uint8_t* const data, int width, int height, int num_levels, + uint64_t* const sse); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_UTILS_QUANT_LEVELS_UTILS_H_ diff --git a/ProductApp/Pods/libwebp/src/utils/random_utils.c b/ProductApp/Pods/libwebp/src/utils/random_utils.c new file mode 100644 index 0000000..7edb3fe --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/random_utils.c @@ -0,0 +1,43 @@ +// Copyright 2013 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Pseudo-random utilities +// +// Author: Skal (pascal.massimino@gmail.com) + +#include +#include "src/utils/random_utils.h" + +//------------------------------------------------------------------------------ + +// 31b-range values +static const uint32_t kRandomTable[VP8_RANDOM_TABLE_SIZE] = { + 0x0de15230, 0x03b31886, 0x775faccb, 0x1c88626a, 0x68385c55, 0x14b3b828, + 0x4a85fef8, 0x49ddb84b, 0x64fcf397, 0x5c550289, 0x4a290000, 0x0d7ec1da, + 0x5940b7ab, 0x5492577d, 0x4e19ca72, 0x38d38c69, 0x0c01ee65, 0x32a1755f, + 0x5437f652, 0x5abb2c32, 0x0faa57b1, 0x73f533e7, 0x685feeda, 0x7563cce2, + 0x6e990e83, 0x4730a7ed, 0x4fc0d9c6, 0x496b153c, 0x4f1403fa, 0x541afb0c, + 0x73990b32, 0x26d7cb1c, 0x6fcc3706, 0x2cbb77d8, 0x75762f2a, 0x6425ccdd, + 0x24b35461, 0x0a7d8715, 0x220414a8, 0x141ebf67, 0x56b41583, 0x73e502e3, + 0x44cab16f, 0x28264d42, 0x73baaefb, 0x0a50ebed, 0x1d6ab6fb, 0x0d3ad40b, + 0x35db3b68, 0x2b081e83, 0x77ce6b95, 0x5181e5f0, 0x78853bbc, 0x009f9494, + 0x27e5ed3c +}; + +void VP8InitRandom(VP8Random* const rg, float dithering) { + memcpy(rg->tab_, kRandomTable, sizeof(rg->tab_)); + rg->index1_ = 0; + rg->index2_ = 31; + rg->amp_ = (dithering < 0.0) ? 0 + : (dithering > 1.0) ? (1 << VP8_RANDOM_DITHER_FIX) + : (uint32_t)((1 << VP8_RANDOM_DITHER_FIX) * dithering); +} + +//------------------------------------------------------------------------------ + diff --git a/ProductApp/Pods/libwebp/src/utils/random_utils.h b/ProductApp/Pods/libwebp/src/utils/random_utils.h new file mode 100644 index 0000000..a5006f8 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/random_utils.h @@ -0,0 +1,63 @@ +// Copyright 2013 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Pseudo-random utilities +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_UTILS_RANDOM_UTILS_H_ +#define WEBP_UTILS_RANDOM_UTILS_H_ + +#include +#include "src/webp/types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define VP8_RANDOM_DITHER_FIX 8 // fixed-point precision for dithering +#define VP8_RANDOM_TABLE_SIZE 55 + +typedef struct { + int index1_, index2_; + uint32_t tab_[VP8_RANDOM_TABLE_SIZE]; + int amp_; +} VP8Random; + +// Initializes random generator with an amplitude 'dithering' in range [0..1]. +void VP8InitRandom(VP8Random* const rg, float dithering); + +// Returns a centered pseudo-random number with 'num_bits' amplitude. +// (uses D.Knuth's Difference-based random generator). +// 'amp' is in VP8_RANDOM_DITHER_FIX fixed-point precision. +static WEBP_INLINE int VP8RandomBits2(VP8Random* const rg, int num_bits, + int amp) { + int diff; + assert(num_bits + VP8_RANDOM_DITHER_FIX <= 31); + diff = rg->tab_[rg->index1_] - rg->tab_[rg->index2_]; + if (diff < 0) diff += (1u << 31); + rg->tab_[rg->index1_] = diff; + if (++rg->index1_ == VP8_RANDOM_TABLE_SIZE) rg->index1_ = 0; + if (++rg->index2_ == VP8_RANDOM_TABLE_SIZE) rg->index2_ = 0; + // sign-extend, 0-center + diff = (int)((uint32_t)diff << 1) >> (32 - num_bits); + diff = (diff * amp) >> VP8_RANDOM_DITHER_FIX; // restrict range + diff += 1 << (num_bits - 1); // shift back to 0.5-center + return diff; +} + +static WEBP_INLINE int VP8RandomBits(VP8Random* const rg, int num_bits) { + return VP8RandomBits2(rg, num_bits, rg->amp_); +} + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_UTILS_RANDOM_UTILS_H_ diff --git a/ProductApp/Pods/libwebp/src/utils/rescaler_utils.c b/ProductApp/Pods/libwebp/src/utils/rescaler_utils.c new file mode 100644 index 0000000..a0581a1 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/rescaler_utils.c @@ -0,0 +1,160 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Rescaling functions +// +// Author: Skal (pascal.massimino@gmail.com) + +#include +#include +#include +#include +#include "src/dsp/dsp.h" +#include "src/utils/rescaler_utils.h" +#include "src/utils/utils.h" + +//------------------------------------------------------------------------------ + +int WebPRescalerInit(WebPRescaler* const rescaler, + int src_width, int src_height, + uint8_t* const dst, + int dst_width, int dst_height, int dst_stride, + int num_channels, rescaler_t* const work) { + const int x_add = src_width, x_sub = dst_width; + const int y_add = src_height, y_sub = dst_height; + const uint64_t total_size = 2ull * dst_width * num_channels * sizeof(*work); + if (!CheckSizeOverflow(total_size)) return 0; + + rescaler->x_expand = (src_width < dst_width); + rescaler->y_expand = (src_height < dst_height); + rescaler->src_width = src_width; + rescaler->src_height = src_height; + rescaler->dst_width = dst_width; + rescaler->dst_height = dst_height; + rescaler->src_y = 0; + rescaler->dst_y = 0; + rescaler->dst = dst; + rescaler->dst_stride = dst_stride; + rescaler->num_channels = num_channels; + + // for 'x_expand', we use bilinear interpolation + rescaler->x_add = rescaler->x_expand ? (x_sub - 1) : x_add; + rescaler->x_sub = rescaler->x_expand ? (x_add - 1) : x_sub; + if (!rescaler->x_expand) { // fx_scale is not used otherwise + rescaler->fx_scale = WEBP_RESCALER_FRAC(1, rescaler->x_sub); + } + // vertical scaling parameters + rescaler->y_add = rescaler->y_expand ? y_add - 1 : y_add; + rescaler->y_sub = rescaler->y_expand ? y_sub - 1 : y_sub; + rescaler->y_accum = rescaler->y_expand ? rescaler->y_sub : rescaler->y_add; + if (!rescaler->y_expand) { + // This is WEBP_RESCALER_FRAC(dst_height, x_add * y_add) without the cast. + // Its value is <= WEBP_RESCALER_ONE, because dst_height <= rescaler->y_add + // and rescaler->x_add >= 1; + const uint64_t num = (uint64_t)dst_height * WEBP_RESCALER_ONE; + const uint64_t den = (uint64_t)rescaler->x_add * rescaler->y_add; + const uint64_t ratio = num / den; + if (ratio != (uint32_t)ratio) { + // When ratio == WEBP_RESCALER_ONE, we can't represent the ratio with the + // current fixed-point precision. This happens when src_height == + // rescaler->y_add (which == src_height), and rescaler->x_add == 1. + // => We special-case fxy_scale = 0, in WebPRescalerExportRow(). + rescaler->fxy_scale = 0; + } else { + rescaler->fxy_scale = (uint32_t)ratio; + } + rescaler->fy_scale = WEBP_RESCALER_FRAC(1, rescaler->y_sub); + } else { + rescaler->fy_scale = WEBP_RESCALER_FRAC(1, rescaler->x_add); + // rescaler->fxy_scale is unused here. + } + rescaler->irow = work; + rescaler->frow = work + num_channels * dst_width; + memset(work, 0, (size_t)total_size); + + WebPRescalerDspInit(); + return 1; +} + +int WebPRescalerGetScaledDimensions(int src_width, int src_height, + int* const scaled_width, + int* const scaled_height) { + assert(scaled_width != NULL); + assert(scaled_height != NULL); + { + int width = *scaled_width; + int height = *scaled_height; + const int max_size = INT_MAX / 2; + + // if width is unspecified, scale original proportionally to height ratio. + if (width == 0 && src_height > 0) { + width = + (int)(((uint64_t)src_width * height + src_height - 1) / src_height); + } + // if height is unspecified, scale original proportionally to width ratio. + if (height == 0 && src_width > 0) { + height = + (int)(((uint64_t)src_height * width + src_width - 1) / src_width); + } + // Check if the overall dimensions still make sense. + if (width <= 0 || height <= 0 || width > max_size || height > max_size) { + return 0; + } + + *scaled_width = width; + *scaled_height = height; + return 1; + } +} + +//------------------------------------------------------------------------------ +// all-in-one calls + +int WebPRescaleNeededLines(const WebPRescaler* const rescaler, + int max_num_lines) { + const int num_lines = + (rescaler->y_accum + rescaler->y_sub - 1) / rescaler->y_sub; + return (num_lines > max_num_lines) ? max_num_lines : num_lines; +} + +int WebPRescalerImport(WebPRescaler* const rescaler, int num_lines, + const uint8_t* src, int src_stride) { + int total_imported = 0; + while (total_imported < num_lines && + !WebPRescalerHasPendingOutput(rescaler)) { + if (rescaler->y_expand) { + rescaler_t* const tmp = rescaler->irow; + rescaler->irow = rescaler->frow; + rescaler->frow = tmp; + } + WebPRescalerImportRow(rescaler, src); + if (!rescaler->y_expand) { // Accumulate the contribution of the new row. + int x; + for (x = 0; x < rescaler->num_channels * rescaler->dst_width; ++x) { + rescaler->irow[x] += rescaler->frow[x]; + } + } + ++rescaler->src_y; + src += src_stride; + ++total_imported; + rescaler->y_accum -= rescaler->y_sub; + } + return total_imported; +} + +int WebPRescalerExport(WebPRescaler* const rescaler) { + int total_exported = 0; + while (WebPRescalerHasPendingOutput(rescaler)) { + WebPRescalerExportRow(rescaler); + ++total_exported; + } + return total_exported; +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/utils/rescaler_utils.h b/ProductApp/Pods/libwebp/src/utils/rescaler_utils.h new file mode 100644 index 0000000..ef201ef --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/rescaler_utils.h @@ -0,0 +1,102 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Rescaling functions +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_UTILS_RESCALER_UTILS_H_ +#define WEBP_UTILS_RESCALER_UTILS_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "src/webp/types.h" + +#define WEBP_RESCALER_RFIX 32 // fixed-point precision for multiplies +#define WEBP_RESCALER_ONE (1ull << WEBP_RESCALER_RFIX) +#define WEBP_RESCALER_FRAC(x, y) \ + ((uint32_t)(((uint64_t)(x) << WEBP_RESCALER_RFIX) / (y))) + +// Structure used for on-the-fly rescaling +typedef uint32_t rescaler_t; // type for side-buffer +typedef struct WebPRescaler WebPRescaler; +struct WebPRescaler { + int x_expand; // true if we're expanding in the x direction + int y_expand; // true if we're expanding in the y direction + int num_channels; // bytes to jump between pixels + uint32_t fx_scale; // fixed-point scaling factors + uint32_t fy_scale; // '' + uint32_t fxy_scale; // '' + int y_accum; // vertical accumulator + int y_add, y_sub; // vertical increments + int x_add, x_sub; // horizontal increments + int src_width, src_height; // source dimensions + int dst_width, dst_height; // destination dimensions + int src_y, dst_y; // row counters for input and output + uint8_t* dst; + int dst_stride; + rescaler_t* irow, *frow; // work buffer +}; + +// Initialize a rescaler given scratch area 'work' and dimensions of src & dst. +// Returns false in case of error. +int WebPRescalerInit(WebPRescaler* const rescaler, + int src_width, int src_height, + uint8_t* const dst, + int dst_width, int dst_height, int dst_stride, + int num_channels, + rescaler_t* const work); + +// If either 'scaled_width' or 'scaled_height' (but not both) is 0 the value +// will be calculated preserving the aspect ratio, otherwise the values are +// left unmodified. Returns true on success, false if either value is 0 after +// performing the scaling calculation. +int WebPRescalerGetScaledDimensions(int src_width, int src_height, + int* const scaled_width, + int* const scaled_height); + +// Returns the number of input lines needed next to produce one output line, +// considering that the maximum available input lines are 'max_num_lines'. +int WebPRescaleNeededLines(const WebPRescaler* const rescaler, + int max_num_lines); + +// Import multiple rows over all channels, until at least one row is ready to +// be exported. Returns the actual number of lines that were imported. +int WebPRescalerImport(WebPRescaler* const rescaler, int num_rows, + const uint8_t* src, int src_stride); + +// Export as many rows as possible. Return the numbers of rows written. +int WebPRescalerExport(WebPRescaler* const rescaler); + +// Return true if input is finished +static WEBP_INLINE +int WebPRescalerInputDone(const WebPRescaler* const rescaler) { + return (rescaler->src_y >= rescaler->src_height); +} +// Return true if output is finished +static WEBP_INLINE +int WebPRescalerOutputDone(const WebPRescaler* const rescaler) { + return (rescaler->dst_y >= rescaler->dst_height); +} + +// Return true if there are pending output rows ready. +static WEBP_INLINE +int WebPRescalerHasPendingOutput(const WebPRescaler* const rescaler) { + return !WebPRescalerOutputDone(rescaler) && (rescaler->y_accum <= 0); +} + +//------------------------------------------------------------------------------ + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_UTILS_RESCALER_UTILS_H_ diff --git a/ProductApp/Pods/libwebp/src/utils/thread_utils.c b/ProductApp/Pods/libwebp/src/utils/thread_utils.c new file mode 100644 index 0000000..4e470e1 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/thread_utils.c @@ -0,0 +1,369 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Multi-threaded worker +// +// Author: Skal (pascal.massimino@gmail.com) + +#include +#include // for memset() +#include "src/utils/thread_utils.h" +#include "src/utils/utils.h" + +#ifdef WEBP_USE_THREAD + +#if defined(_WIN32) + +#include +typedef HANDLE pthread_t; +typedef CRITICAL_SECTION pthread_mutex_t; + +#if _WIN32_WINNT >= 0x0600 // Windows Vista / Server 2008 or greater +#define USE_WINDOWS_CONDITION_VARIABLE +typedef CONDITION_VARIABLE pthread_cond_t; +#else +typedef struct { + HANDLE waiting_sem_; + HANDLE received_sem_; + HANDLE signal_event_; +} pthread_cond_t; +#endif // _WIN32_WINNT >= 0x600 + +#ifndef WINAPI_FAMILY_PARTITION +#define WINAPI_PARTITION_DESKTOP 1 +#define WINAPI_FAMILY_PARTITION(x) x +#endif + +#if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) +#define USE_CREATE_THREAD +#endif + +#else // !_WIN32 + +#include + +#endif // _WIN32 + +typedef struct { + pthread_mutex_t mutex_; + pthread_cond_t condition_; + pthread_t thread_; +} WebPWorkerImpl; + +#if defined(_WIN32) + +//------------------------------------------------------------------------------ +// simplistic pthread emulation layer + +#include + +// _beginthreadex requires __stdcall +#define THREADFN unsigned int __stdcall +#define THREAD_RETURN(val) (unsigned int)((DWORD_PTR)val) + +#if _WIN32_WINNT >= 0x0501 // Windows XP or greater +#define WaitForSingleObject(obj, timeout) \ + WaitForSingleObjectEx(obj, timeout, FALSE /*bAlertable*/) +#endif + +static int pthread_create(pthread_t* const thread, const void* attr, + unsigned int (__stdcall* start)(void*), void* arg) { + (void)attr; +#ifdef USE_CREATE_THREAD + *thread = CreateThread(NULL, /* lpThreadAttributes */ + 0, /* dwStackSize */ + start, + arg, + 0, /* dwStackSize */ + NULL); /* lpThreadId */ +#else + *thread = (pthread_t)_beginthreadex(NULL, /* void *security */ + 0, /* unsigned stack_size */ + start, + arg, + 0, /* unsigned initflag */ + NULL); /* unsigned *thrdaddr */ +#endif + if (*thread == NULL) return 1; + SetThreadPriority(*thread, THREAD_PRIORITY_ABOVE_NORMAL); + return 0; +} + +static int pthread_join(pthread_t thread, void** value_ptr) { + (void)value_ptr; + return (WaitForSingleObject(thread, INFINITE) != WAIT_OBJECT_0 || + CloseHandle(thread) == 0); +} + +// Mutex +static int pthread_mutex_init(pthread_mutex_t* const mutex, void* mutexattr) { + (void)mutexattr; +#if _WIN32_WINNT >= 0x0600 // Windows Vista / Server 2008 or greater + InitializeCriticalSectionEx(mutex, 0 /*dwSpinCount*/, 0 /*Flags*/); +#else + InitializeCriticalSection(mutex); +#endif + return 0; +} + +static int pthread_mutex_lock(pthread_mutex_t* const mutex) { + EnterCriticalSection(mutex); + return 0; +} + +static int pthread_mutex_unlock(pthread_mutex_t* const mutex) { + LeaveCriticalSection(mutex); + return 0; +} + +static int pthread_mutex_destroy(pthread_mutex_t* const mutex) { + DeleteCriticalSection(mutex); + return 0; +} + +// Condition +static int pthread_cond_destroy(pthread_cond_t* const condition) { + int ok = 1; +#ifdef USE_WINDOWS_CONDITION_VARIABLE + (void)condition; +#else + ok &= (CloseHandle(condition->waiting_sem_) != 0); + ok &= (CloseHandle(condition->received_sem_) != 0); + ok &= (CloseHandle(condition->signal_event_) != 0); +#endif + return !ok; +} + +static int pthread_cond_init(pthread_cond_t* const condition, void* cond_attr) { + (void)cond_attr; +#ifdef USE_WINDOWS_CONDITION_VARIABLE + InitializeConditionVariable(condition); +#else + condition->waiting_sem_ = CreateSemaphore(NULL, 0, 1, NULL); + condition->received_sem_ = CreateSemaphore(NULL, 0, 1, NULL); + condition->signal_event_ = CreateEvent(NULL, FALSE, FALSE, NULL); + if (condition->waiting_sem_ == NULL || + condition->received_sem_ == NULL || + condition->signal_event_ == NULL) { + pthread_cond_destroy(condition); + return 1; + } +#endif + return 0; +} + +static int pthread_cond_signal(pthread_cond_t* const condition) { + int ok = 1; +#ifdef USE_WINDOWS_CONDITION_VARIABLE + WakeConditionVariable(condition); +#else + if (WaitForSingleObject(condition->waiting_sem_, 0) == WAIT_OBJECT_0) { + // a thread is waiting in pthread_cond_wait: allow it to be notified + ok = SetEvent(condition->signal_event_); + // wait until the event is consumed so the signaler cannot consume + // the event via its own pthread_cond_wait. + ok &= (WaitForSingleObject(condition->received_sem_, INFINITE) != + WAIT_OBJECT_0); + } +#endif + return !ok; +} + +static int pthread_cond_wait(pthread_cond_t* const condition, + pthread_mutex_t* const mutex) { + int ok; +#ifdef USE_WINDOWS_CONDITION_VARIABLE + ok = SleepConditionVariableCS(condition, mutex, INFINITE); +#else + // note that there is a consumer available so the signal isn't dropped in + // pthread_cond_signal + if (!ReleaseSemaphore(condition->waiting_sem_, 1, NULL)) return 1; + // now unlock the mutex so pthread_cond_signal may be issued + pthread_mutex_unlock(mutex); + ok = (WaitForSingleObject(condition->signal_event_, INFINITE) == + WAIT_OBJECT_0); + ok &= ReleaseSemaphore(condition->received_sem_, 1, NULL); + pthread_mutex_lock(mutex); +#endif + return !ok; +} + +#else // !_WIN32 +# define THREADFN void* +# define THREAD_RETURN(val) val +#endif // _WIN32 + +//------------------------------------------------------------------------------ + +static THREADFN ThreadLoop(void* ptr) { + WebPWorker* const worker = (WebPWorker*)ptr; + WebPWorkerImpl* const impl = (WebPWorkerImpl*)worker->impl_; + int done = 0; + while (!done) { + pthread_mutex_lock(&impl->mutex_); + while (worker->status_ == OK) { // wait in idling mode + pthread_cond_wait(&impl->condition_, &impl->mutex_); + } + if (worker->status_ == WORK) { + WebPGetWorkerInterface()->Execute(worker); + worker->status_ = OK; + } else if (worker->status_ == NOT_OK) { // finish the worker + done = 1; + } + // signal to the main thread that we're done (for Sync()) + // Note the associated mutex does not need to be held when signaling the + // condition. Unlocking the mutex first may improve performance in some + // implementations, avoiding the case where the waiting thread can't + // reacquire the mutex when woken. + pthread_mutex_unlock(&impl->mutex_); + pthread_cond_signal(&impl->condition_); + } + return THREAD_RETURN(NULL); // Thread is finished +} + +// main thread state control +static void ChangeState(WebPWorker* const worker, WebPWorkerStatus new_status) { + // No-op when attempting to change state on a thread that didn't come up. + // Checking status_ without acquiring the lock first would result in a data + // race. + WebPWorkerImpl* const impl = (WebPWorkerImpl*)worker->impl_; + if (impl == NULL) return; + + pthread_mutex_lock(&impl->mutex_); + if (worker->status_ >= OK) { + // wait for the worker to finish + while (worker->status_ != OK) { + pthread_cond_wait(&impl->condition_, &impl->mutex_); + } + // assign new status and release the working thread if needed + if (new_status != OK) { + worker->status_ = new_status; + // Note the associated mutex does not need to be held when signaling the + // condition. Unlocking the mutex first may improve performance in some + // implementations, avoiding the case where the waiting thread can't + // reacquire the mutex when woken. + pthread_mutex_unlock(&impl->mutex_); + pthread_cond_signal(&impl->condition_); + return; + } + } + pthread_mutex_unlock(&impl->mutex_); +} + +#endif // WEBP_USE_THREAD + +//------------------------------------------------------------------------------ + +static void Init(WebPWorker* const worker) { + memset(worker, 0, sizeof(*worker)); + worker->status_ = NOT_OK; +} + +static int Sync(WebPWorker* const worker) { +#ifdef WEBP_USE_THREAD + ChangeState(worker, OK); +#endif + assert(worker->status_ <= OK); + return !worker->had_error; +} + +static int Reset(WebPWorker* const worker) { + int ok = 1; + worker->had_error = 0; + if (worker->status_ < OK) { +#ifdef WEBP_USE_THREAD + WebPWorkerImpl* const impl = + (WebPWorkerImpl*)WebPSafeCalloc(1, sizeof(WebPWorkerImpl)); + worker->impl_ = (void*)impl; + if (worker->impl_ == NULL) { + return 0; + } + if (pthread_mutex_init(&impl->mutex_, NULL)) { + goto Error; + } + if (pthread_cond_init(&impl->condition_, NULL)) { + pthread_mutex_destroy(&impl->mutex_); + goto Error; + } + pthread_mutex_lock(&impl->mutex_); + ok = !pthread_create(&impl->thread_, NULL, ThreadLoop, worker); + if (ok) worker->status_ = OK; + pthread_mutex_unlock(&impl->mutex_); + if (!ok) { + pthread_mutex_destroy(&impl->mutex_); + pthread_cond_destroy(&impl->condition_); + Error: + WebPSafeFree(impl); + worker->impl_ = NULL; + return 0; + } +#else + worker->status_ = OK; +#endif + } else if (worker->status_ > OK) { + ok = Sync(worker); + } + assert(!ok || (worker->status_ == OK)); + return ok; +} + +static void Execute(WebPWorker* const worker) { + if (worker->hook != NULL) { + worker->had_error |= !worker->hook(worker->data1, worker->data2); + } +} + +static void Launch(WebPWorker* const worker) { +#ifdef WEBP_USE_THREAD + ChangeState(worker, WORK); +#else + Execute(worker); +#endif +} + +static void End(WebPWorker* const worker) { +#ifdef WEBP_USE_THREAD + if (worker->impl_ != NULL) { + WebPWorkerImpl* const impl = (WebPWorkerImpl*)worker->impl_; + ChangeState(worker, NOT_OK); + pthread_join(impl->thread_, NULL); + pthread_mutex_destroy(&impl->mutex_); + pthread_cond_destroy(&impl->condition_); + WebPSafeFree(impl); + worker->impl_ = NULL; + } +#else + worker->status_ = NOT_OK; + assert(worker->impl_ == NULL); +#endif + assert(worker->status_ == NOT_OK); +} + +//------------------------------------------------------------------------------ + +static WebPWorkerInterface g_worker_interface = { + Init, Reset, Sync, Launch, Execute, End +}; + +int WebPSetWorkerInterface(const WebPWorkerInterface* const winterface) { + if (winterface == NULL || + winterface->Init == NULL || winterface->Reset == NULL || + winterface->Sync == NULL || winterface->Launch == NULL || + winterface->Execute == NULL || winterface->End == NULL) { + return 0; + } + g_worker_interface = *winterface; + return 1; +} + +const WebPWorkerInterface* WebPGetWorkerInterface(void) { + return &g_worker_interface; +} + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/utils/thread_utils.h b/ProductApp/Pods/libwebp/src/utils/thread_utils.h new file mode 100644 index 0000000..29ad49f --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/thread_utils.h @@ -0,0 +1,90 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Multi-threaded worker +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_UTILS_THREAD_UTILS_H_ +#define WEBP_UTILS_THREAD_UTILS_H_ + +#ifdef HAVE_CONFIG_H +#include "src/webp/config.h" +#endif + +#include "src/webp/types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// State of the worker thread object +typedef enum { + NOT_OK = 0, // object is unusable + OK, // ready to work + WORK // busy finishing the current task +} WebPWorkerStatus; + +// Function to be called by the worker thread. Takes two opaque pointers as +// arguments (data1 and data2), and should return false in case of error. +typedef int (*WebPWorkerHook)(void*, void*); + +// Synchronization object used to launch job in the worker thread +typedef struct { + void* impl_; // platform-dependent implementation worker details + WebPWorkerStatus status_; + WebPWorkerHook hook; // hook to call + void* data1; // first argument passed to 'hook' + void* data2; // second argument passed to 'hook' + int had_error; // return value of the last call to 'hook' +} WebPWorker; + +// The interface for all thread-worker related functions. All these functions +// must be implemented. +typedef struct { + // Must be called first, before any other method. + void (*Init)(WebPWorker* const worker); + // Must be called to initialize the object and spawn the thread. Re-entrant. + // Will potentially launch the thread. Returns false in case of error. + int (*Reset)(WebPWorker* const worker); + // Makes sure the previous work is finished. Returns true if worker->had_error + // was not set and no error condition was triggered by the working thread. + int (*Sync)(WebPWorker* const worker); + // Triggers the thread to call hook() with data1 and data2 arguments. These + // hook/data1/data2 values can be changed at any time before calling this + // function, but not be changed afterward until the next call to Sync(). + void (*Launch)(WebPWorker* const worker); + // This function is similar to Launch() except that it calls the + // hook directly instead of using a thread. Convenient to bypass the thread + // mechanism while still using the WebPWorker structs. Sync() must + // still be called afterward (for error reporting). + void (*Execute)(WebPWorker* const worker); + // Kill the thread and terminate the object. To use the object again, one + // must call Reset() again. + void (*End)(WebPWorker* const worker); +} WebPWorkerInterface; + +// Install a new set of threading functions, overriding the defaults. This +// should be done before any workers are started, i.e., before any encoding or +// decoding takes place. The contents of the interface struct are copied, it +// is safe to free the corresponding memory after this call. This function is +// not thread-safe. Return false in case of invalid pointer or methods. +WEBP_EXTERN int WebPSetWorkerInterface( + const WebPWorkerInterface* const winterface); + +// Retrieve the currently set thread worker interface. +WEBP_EXTERN const WebPWorkerInterface* WebPGetWorkerInterface(void); + +//------------------------------------------------------------------------------ + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_UTILS_THREAD_UTILS_H_ diff --git a/ProductApp/Pods/libwebp/src/utils/utils.c b/ProductApp/Pods/libwebp/src/utils/utils.c new file mode 100644 index 0000000..a7c3a70 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/utils.c @@ -0,0 +1,338 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Misc. common utility functions +// +// Author: Skal (pascal.massimino@gmail.com) + +#include +#include // for memcpy() +#include "src/webp/decode.h" +#include "src/webp/encode.h" +#include "src/webp/format_constants.h" // for MAX_PALETTE_SIZE +#include "src/utils/color_cache_utils.h" +#include "src/utils/utils.h" + +// If PRINT_MEM_INFO is defined, extra info (like total memory used, number of +// alloc/free etc) is printed. For debugging/tuning purpose only (it's slow, +// and not multi-thread safe!). +// An interesting alternative is valgrind's 'massif' tool: +// https://valgrind.org/docs/manual/ms-manual.html +// Here is an example command line: +/* valgrind --tool=massif --massif-out-file=massif.out \ + --stacks=yes --alloc-fn=WebPSafeMalloc --alloc-fn=WebPSafeCalloc + ms_print massif.out +*/ +// In addition: +// * if PRINT_MEM_TRAFFIC is defined, all the details of the malloc/free cycles +// are printed. +// * if MALLOC_FAIL_AT is defined, the global environment variable +// $MALLOC_FAIL_AT is used to simulate a memory error when calloc or malloc +// is called for the nth time. Example usage: +// export MALLOC_FAIL_AT=50 && ./examples/cwebp input.png +// * if MALLOC_LIMIT is defined, the global environment variable $MALLOC_LIMIT +// sets the maximum amount of memory (in bytes) made available to libwebp. +// This can be used to emulate environment with very limited memory. +// Example: export MALLOC_LIMIT=64000000 && ./examples/dwebp picture.webp + +// #define PRINT_MEM_INFO +// #define PRINT_MEM_TRAFFIC +// #define MALLOC_FAIL_AT +// #define MALLOC_LIMIT + +//------------------------------------------------------------------------------ +// Checked memory allocation + +#if defined(PRINT_MEM_INFO) + +#include + +static int num_malloc_calls = 0; +static int num_calloc_calls = 0; +static int num_free_calls = 0; +static int countdown_to_fail = 0; // 0 = off + +typedef struct MemBlock MemBlock; +struct MemBlock { + void* ptr_; + size_t size_; + MemBlock* next_; +}; + +static MemBlock* all_blocks = NULL; +static size_t total_mem = 0; +static size_t total_mem_allocated = 0; +static size_t high_water_mark = 0; +static size_t mem_limit = 0; + +static int exit_registered = 0; + +static void PrintMemInfo(void) { + fprintf(stderr, "\nMEMORY INFO:\n"); + fprintf(stderr, "num calls to: malloc = %4d\n", num_malloc_calls); + fprintf(stderr, " calloc = %4d\n", num_calloc_calls); + fprintf(stderr, " free = %4d\n", num_free_calls); + fprintf(stderr, "total_mem: %u\n", (uint32_t)total_mem); + fprintf(stderr, "total_mem allocated: %u\n", (uint32_t)total_mem_allocated); + fprintf(stderr, "high-water mark: %u\n", (uint32_t)high_water_mark); + while (all_blocks != NULL) { + MemBlock* b = all_blocks; + all_blocks = b->next_; + free(b); + } +} + +static void Increment(int* const v) { + if (!exit_registered) { +#if defined(MALLOC_FAIL_AT) + { + const char* const malloc_fail_at_str = getenv("MALLOC_FAIL_AT"); + if (malloc_fail_at_str != NULL) { + countdown_to_fail = atoi(malloc_fail_at_str); + } + } +#endif +#if defined(MALLOC_LIMIT) + { + const char* const malloc_limit_str = getenv("MALLOC_LIMIT"); +#if MALLOC_LIMIT > 1 + mem_limit = (size_t)MALLOC_LIMIT; +#endif + if (malloc_limit_str != NULL) { + mem_limit = atoi(malloc_limit_str); + } + } +#endif + (void)countdown_to_fail; + (void)mem_limit; + atexit(PrintMemInfo); + exit_registered = 1; + } + ++*v; +} + +static void AddMem(void* ptr, size_t size) { + if (ptr != NULL) { + MemBlock* const b = (MemBlock*)malloc(sizeof(*b)); + if (b == NULL) abort(); + b->next_ = all_blocks; + all_blocks = b; + b->ptr_ = ptr; + b->size_ = size; + total_mem += size; + total_mem_allocated += size; +#if defined(PRINT_MEM_TRAFFIC) +#if defined(MALLOC_FAIL_AT) + fprintf(stderr, "fail-count: %5d [mem=%u]\n", + num_malloc_calls + num_calloc_calls, (uint32_t)total_mem); +#else + fprintf(stderr, "Mem: %u (+%u)\n", (uint32_t)total_mem, (uint32_t)size); +#endif +#endif + if (total_mem > high_water_mark) high_water_mark = total_mem; + } +} + +static void SubMem(void* ptr) { + if (ptr != NULL) { + MemBlock** b = &all_blocks; + // Inefficient search, but that's just for debugging. + while (*b != NULL && (*b)->ptr_ != ptr) b = &(*b)->next_; + if (*b == NULL) { + fprintf(stderr, "Invalid pointer free! (%p)\n", ptr); + abort(); + } + { + MemBlock* const block = *b; + *b = block->next_; + total_mem -= block->size_; +#if defined(PRINT_MEM_TRAFFIC) + fprintf(stderr, "Mem: %u (-%u)\n", + (uint32_t)total_mem, (uint32_t)block->size_); +#endif + free(block); + } + } +} + +#else +#define Increment(v) do {} while (0) +#define AddMem(p, s) do {} while (0) +#define SubMem(p) do {} while (0) +#endif + +// Returns 0 in case of overflow of nmemb * size. +static int CheckSizeArgumentsOverflow(uint64_t nmemb, size_t size) { + const uint64_t total_size = nmemb * size; + if (nmemb == 0) return 1; + if ((uint64_t)size > WEBP_MAX_ALLOCABLE_MEMORY / nmemb) return 0; + if (!CheckSizeOverflow(total_size)) return 0; +#if defined(PRINT_MEM_INFO) && defined(MALLOC_FAIL_AT) + if (countdown_to_fail > 0 && --countdown_to_fail == 0) { + return 0; // fake fail! + } +#endif +#if defined(PRINT_MEM_INFO) && defined(MALLOC_LIMIT) + if (mem_limit > 0) { + const uint64_t new_total_mem = (uint64_t)total_mem + total_size; + if (!CheckSizeOverflow(new_total_mem) || + new_total_mem > mem_limit) { + return 0; // fake fail! + } + } +#endif + + return 1; +} + +void* WebPSafeMalloc(uint64_t nmemb, size_t size) { + void* ptr; + Increment(&num_malloc_calls); + if (!CheckSizeArgumentsOverflow(nmemb, size)) return NULL; + assert(nmemb * size > 0); + ptr = malloc((size_t)(nmemb * size)); + AddMem(ptr, (size_t)(nmemb * size)); + return ptr; +} + +void* WebPSafeCalloc(uint64_t nmemb, size_t size) { + void* ptr; + Increment(&num_calloc_calls); + if (!CheckSizeArgumentsOverflow(nmemb, size)) return NULL; + assert(nmemb * size > 0); + ptr = calloc((size_t)nmemb, size); + AddMem(ptr, (size_t)(nmemb * size)); + return ptr; +} + +void WebPSafeFree(void* const ptr) { + if (ptr != NULL) { + Increment(&num_free_calls); + SubMem(ptr); + } + free(ptr); +} + +// Public API functions. + +void* WebPMalloc(size_t size) { + return WebPSafeMalloc(1, size); +} + +void WebPFree(void* ptr) { + WebPSafeFree(ptr); +} + +//------------------------------------------------------------------------------ + +void WebPCopyPlane(const uint8_t* src, int src_stride, + uint8_t* dst, int dst_stride, int width, int height) { + assert(src != NULL && dst != NULL); + assert(abs(src_stride) >= width && abs(dst_stride) >= width); + while (height-- > 0) { + memcpy(dst, src, width); + src += src_stride; + dst += dst_stride; + } +} + +void WebPCopyPixels(const WebPPicture* const src, WebPPicture* const dst) { + assert(src != NULL && dst != NULL); + assert(src->width == dst->width && src->height == dst->height); + assert(src->use_argb && dst->use_argb); + WebPCopyPlane((uint8_t*)src->argb, 4 * src->argb_stride, (uint8_t*)dst->argb, + 4 * dst->argb_stride, 4 * src->width, src->height); +} + +//------------------------------------------------------------------------------ + +#define COLOR_HASH_SIZE (MAX_PALETTE_SIZE * 4) +#define COLOR_HASH_RIGHT_SHIFT 22 // 32 - log2(COLOR_HASH_SIZE). + +int WebPGetColorPalette(const WebPPicture* const pic, uint32_t* const palette) { + int i; + int x, y; + int num_colors = 0; + uint8_t in_use[COLOR_HASH_SIZE] = { 0 }; + uint32_t colors[COLOR_HASH_SIZE]; + const uint32_t* argb = pic->argb; + const int width = pic->width; + const int height = pic->height; + uint32_t last_pix = ~argb[0]; // so we're sure that last_pix != argb[0] + assert(pic != NULL); + assert(pic->use_argb); + + for (y = 0; y < height; ++y) { + for (x = 0; x < width; ++x) { + int key; + if (argb[x] == last_pix) { + continue; + } + last_pix = argb[x]; + key = VP8LHashPix(last_pix, COLOR_HASH_RIGHT_SHIFT); + while (1) { + if (!in_use[key]) { + colors[key] = last_pix; + in_use[key] = 1; + ++num_colors; + if (num_colors > MAX_PALETTE_SIZE) { + return MAX_PALETTE_SIZE + 1; // Exact count not needed. + } + break; + } else if (colors[key] == last_pix) { + break; // The color is already there. + } else { + // Some other color sits here, so do linear conflict resolution. + ++key; + key &= (COLOR_HASH_SIZE - 1); // Key mask. + } + } + } + argb += pic->argb_stride; + } + + if (palette != NULL) { // Fill the colors into palette. + num_colors = 0; + for (i = 0; i < COLOR_HASH_SIZE; ++i) { + if (in_use[i]) { + palette[num_colors] = colors[i]; + ++num_colors; + } + } + } + return num_colors; +} + +#undef COLOR_HASH_SIZE +#undef COLOR_HASH_RIGHT_SHIFT + +//------------------------------------------------------------------------------ + +#if defined(WEBP_NEED_LOG_TABLE_8BIT) +const uint8_t WebPLogTable8bit[256] = { // 31 ^ clz(i) + 0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 +}; +#endif + +//------------------------------------------------------------------------------ diff --git a/ProductApp/Pods/libwebp/src/utils/utils.h b/ProductApp/Pods/libwebp/src/utils/utils.h new file mode 100644 index 0000000..c5ee873 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/utils/utils.h @@ -0,0 +1,210 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Misc. common utility functions +// +// Authors: Skal (pascal.massimino@gmail.com) +// Urvang (urvang@google.com) + +#ifndef WEBP_UTILS_UTILS_H_ +#define WEBP_UTILS_UTILS_H_ + +#ifdef HAVE_CONFIG_H +#include "src/webp/config.h" +#endif + +#include +#include + +#include "src/dsp/dsp.h" +#include "src/webp/types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +//------------------------------------------------------------------------------ +// Memory allocation + +// This is the maximum memory amount that libwebp will ever try to allocate. +#ifndef WEBP_MAX_ALLOCABLE_MEMORY +#if SIZE_MAX > (1ULL << 34) +#define WEBP_MAX_ALLOCABLE_MEMORY (1ULL << 34) +#else +// For 32-bit targets keep this below INT_MAX to avoid valgrind warnings. +#define WEBP_MAX_ALLOCABLE_MEMORY ((1ULL << 31) - (1 << 16)) +#endif +#endif // WEBP_MAX_ALLOCABLE_MEMORY + +static WEBP_INLINE int CheckSizeOverflow(uint64_t size) { + return size == (size_t)size; +} + +// size-checking safe malloc/calloc: verify that the requested size is not too +// large, or return NULL. You don't need to call these for constructs like +// malloc(sizeof(foo)), but only if there's picture-dependent size involved +// somewhere (like: malloc(num_pixels * sizeof(*something))). That's why this +// safe malloc() borrows the signature from calloc(), pointing at the dangerous +// underlying multiply involved. +WEBP_EXTERN void* WebPSafeMalloc(uint64_t nmemb, size_t size); +// Note that WebPSafeCalloc() expects the second argument type to be 'size_t' +// in order to favor the "calloc(num_foo, sizeof(foo))" pattern. +WEBP_EXTERN void* WebPSafeCalloc(uint64_t nmemb, size_t size); + +// Companion deallocation function to the above allocations. +WEBP_EXTERN void WebPSafeFree(void* const ptr); + +//------------------------------------------------------------------------------ +// Alignment + +#define WEBP_ALIGN_CST 31 +#define WEBP_ALIGN(PTR) (((uintptr_t)(PTR) + WEBP_ALIGN_CST) & \ + ~(uintptr_t)WEBP_ALIGN_CST) + +#include +// memcpy() is the safe way of moving potentially unaligned 32b memory. +static WEBP_INLINE uint32_t WebPMemToUint32(const uint8_t* const ptr) { + uint32_t A; + memcpy(&A, ptr, sizeof(A)); + return A; +} + +static WEBP_INLINE int32_t WebPMemToInt32(const uint8_t* const ptr) { + return (int32_t)WebPMemToUint32(ptr); +} + +static WEBP_INLINE void WebPUint32ToMem(uint8_t* const ptr, uint32_t val) { + memcpy(ptr, &val, sizeof(val)); +} + +static WEBP_INLINE void WebPInt32ToMem(uint8_t* const ptr, int val) { + WebPUint32ToMem(ptr, (uint32_t)val); +} + +//------------------------------------------------------------------------------ +// Reading/writing data. + +// Read 16, 24 or 32 bits stored in little-endian order. +static WEBP_INLINE int GetLE16(const uint8_t* const data) { + return (int)(data[0] << 0) | (data[1] << 8); +} + +static WEBP_INLINE int GetLE24(const uint8_t* const data) { + return GetLE16(data) | (data[2] << 16); +} + +static WEBP_INLINE uint32_t GetLE32(const uint8_t* const data) { + return GetLE16(data) | ((uint32_t)GetLE16(data + 2) << 16); +} + +// Store 16, 24 or 32 bits in little-endian order. +static WEBP_INLINE void PutLE16(uint8_t* const data, int val) { + assert(val < (1 << 16)); + data[0] = (val >> 0) & 0xff; + data[1] = (val >> 8) & 0xff; +} + +static WEBP_INLINE void PutLE24(uint8_t* const data, int val) { + assert(val < (1 << 24)); + PutLE16(data, val & 0xffff); + data[2] = (val >> 16) & 0xff; +} + +static WEBP_INLINE void PutLE32(uint8_t* const data, uint32_t val) { + PutLE16(data, (int)(val & 0xffff)); + PutLE16(data + 2, (int)(val >> 16)); +} + +// use GNU builtins where available. +#if defined(__GNUC__) && \ + ((__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || __GNUC__ >= 4) +// Returns (int)floor(log2(n)). n must be > 0. +static WEBP_INLINE int BitsLog2Floor(uint32_t n) { + return 31 ^ __builtin_clz(n); +} +// counts the number of trailing zero +static WEBP_INLINE int BitsCtz(uint32_t n) { return __builtin_ctz(n); } +#elif defined(_MSC_VER) && _MSC_VER > 1310 && \ + (defined(_M_X64) || defined(_M_IX86)) +#include +#pragma intrinsic(_BitScanReverse) +#pragma intrinsic(_BitScanForward) + +static WEBP_INLINE int BitsLog2Floor(uint32_t n) { + unsigned long first_set_bit; // NOLINT (runtime/int) + _BitScanReverse(&first_set_bit, n); + return first_set_bit; +} +static WEBP_INLINE int BitsCtz(uint32_t n) { + unsigned long first_set_bit; // NOLINT (runtime/int) + _BitScanForward(&first_set_bit, n); + return first_set_bit; +} +#else // default: use the (slow) C-version. +#define WEBP_HAVE_SLOW_CLZ_CTZ // signal that the Clz/Ctz function are slow +// Returns 31 ^ clz(n) = log2(n). This is the default C-implementation, either +// based on table or not. Can be used as fallback if clz() is not available. +#define WEBP_NEED_LOG_TABLE_8BIT +extern const uint8_t WebPLogTable8bit[256]; +static WEBP_INLINE int WebPLog2FloorC(uint32_t n) { + int log_value = 0; + while (n >= 256) { + log_value += 8; + n >>= 8; + } + return log_value + WebPLogTable8bit[n]; +} + +static WEBP_INLINE int BitsLog2Floor(uint32_t n) { return WebPLog2FloorC(n); } + +static WEBP_INLINE int BitsCtz(uint32_t n) { + int i; + for (i = 0; i < 32; ++i, n >>= 1) { + if (n & 1) return i; + } + return 32; +} + +#endif + +//------------------------------------------------------------------------------ +// Pixel copying. + +struct WebPPicture; + +// Copy width x height pixels from 'src' to 'dst' honoring the strides. +WEBP_EXTERN void WebPCopyPlane(const uint8_t* src, int src_stride, + uint8_t* dst, int dst_stride, + int width, int height); + +// Copy ARGB pixels from 'src' to 'dst' honoring strides. 'src' and 'dst' are +// assumed to be already allocated and using ARGB data. +WEBP_EXTERN void WebPCopyPixels(const struct WebPPicture* const src, + struct WebPPicture* const dst); + +//------------------------------------------------------------------------------ +// Unique colors. + +// Returns count of unique colors in 'pic', assuming pic->use_argb is true. +// If the unique color count is more than MAX_PALETTE_SIZE, returns +// MAX_PALETTE_SIZE+1. +// If 'palette' is not NULL and number of unique colors is less than or equal to +// MAX_PALETTE_SIZE, also outputs the actual unique colors into 'palette'. +// Note: 'palette' is assumed to be an array already allocated with at least +// MAX_PALETTE_SIZE elements. +WEBP_EXTERN int WebPGetColorPalette(const struct WebPPicture* const pic, + uint32_t* const palette); + +//------------------------------------------------------------------------------ + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_UTILS_UTILS_H_ diff --git a/ProductApp/Pods/libwebp/src/webp/decode.h b/ProductApp/Pods/libwebp/src/webp/decode.h new file mode 100644 index 0000000..0177b12 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/webp/decode.h @@ -0,0 +1,504 @@ +// Copyright 2010 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Main decoding functions for WebP images. +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_WEBP_DECODE_H_ +#define WEBP_WEBP_DECODE_H_ + +#include "./types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define WEBP_DECODER_ABI_VERSION 0x0209 // MAJOR(8b) + MINOR(8b) + +// Note: forward declaring enumerations is not allowed in (strict) C and C++, +// the types are left here for reference. +// typedef enum VP8StatusCode VP8StatusCode; +// typedef enum WEBP_CSP_MODE WEBP_CSP_MODE; +typedef struct WebPRGBABuffer WebPRGBABuffer; +typedef struct WebPYUVABuffer WebPYUVABuffer; +typedef struct WebPDecBuffer WebPDecBuffer; +typedef struct WebPIDecoder WebPIDecoder; +typedef struct WebPBitstreamFeatures WebPBitstreamFeatures; +typedef struct WebPDecoderOptions WebPDecoderOptions; +typedef struct WebPDecoderConfig WebPDecoderConfig; + +// Return the decoder's version number, packed in hexadecimal using 8bits for +// each of major/minor/revision. E.g: v2.5.7 is 0x020507. +WEBP_EXTERN int WebPGetDecoderVersion(void); + +// Retrieve basic header information: width, height. +// This function will also validate the header, returning true on success, +// false otherwise. '*width' and '*height' are only valid on successful return. +// Pointers 'width' and 'height' can be passed NULL if deemed irrelevant. +// Note: The following chunk sequences (before the raw VP8/VP8L data) are +// considered valid by this function: +// RIFF + VP8(L) +// RIFF + VP8X + (optional chunks) + VP8(L) +// ALPH + VP8 <-- Not a valid WebP format: only allowed for internal purpose. +// VP8(L) <-- Not a valid WebP format: only allowed for internal purpose. +WEBP_EXTERN int WebPGetInfo(const uint8_t* data, size_t data_size, + int* width, int* height); + +// Decodes WebP images pointed to by 'data' and returns RGBA samples, along +// with the dimensions in *width and *height. The ordering of samples in +// memory is R, G, B, A, R, G, B, A... in scan order (endian-independent). +// The returned pointer should be deleted calling WebPFree(). +// Returns NULL in case of error. +WEBP_EXTERN uint8_t* WebPDecodeRGBA(const uint8_t* data, size_t data_size, + int* width, int* height); + +// Same as WebPDecodeRGBA, but returning A, R, G, B, A, R, G, B... ordered data. +WEBP_EXTERN uint8_t* WebPDecodeARGB(const uint8_t* data, size_t data_size, + int* width, int* height); + +// Same as WebPDecodeRGBA, but returning B, G, R, A, B, G, R, A... ordered data. +WEBP_EXTERN uint8_t* WebPDecodeBGRA(const uint8_t* data, size_t data_size, + int* width, int* height); + +// Same as WebPDecodeRGBA, but returning R, G, B, R, G, B... ordered data. +// If the bitstream contains transparency, it is ignored. +WEBP_EXTERN uint8_t* WebPDecodeRGB(const uint8_t* data, size_t data_size, + int* width, int* height); + +// Same as WebPDecodeRGB, but returning B, G, R, B, G, R... ordered data. +WEBP_EXTERN uint8_t* WebPDecodeBGR(const uint8_t* data, size_t data_size, + int* width, int* height); + + +// Decode WebP images pointed to by 'data' to Y'UV format(*). The pointer +// returned is the Y samples buffer. Upon return, *u and *v will point to +// the U and V chroma data. These U and V buffers need NOT be passed to +// WebPFree(), unlike the returned Y luma one. The dimension of the U and V +// planes are both (*width + 1) / 2 and (*height + 1) / 2. +// Upon return, the Y buffer has a stride returned as '*stride', while U and V +// have a common stride returned as '*uv_stride'. +// 'width' and 'height' may be NULL, the other pointers must not be. +// Returns NULL in case of error. +// (*) Also named Y'CbCr. See: https://en.wikipedia.org/wiki/YCbCr +WEBP_EXTERN uint8_t* WebPDecodeYUV(const uint8_t* data, size_t data_size, + int* width, int* height, + uint8_t** u, uint8_t** v, + int* stride, int* uv_stride); + +// These five functions are variants of the above ones, that decode the image +// directly into a pre-allocated buffer 'output_buffer'. The maximum storage +// available in this buffer is indicated by 'output_buffer_size'. If this +// storage is not sufficient (or an error occurred), NULL is returned. +// Otherwise, output_buffer is returned, for convenience. +// The parameter 'output_stride' specifies the distance (in bytes) +// between scanlines. Hence, output_buffer_size is expected to be at least +// output_stride x picture-height. +WEBP_EXTERN uint8_t* WebPDecodeRGBAInto( + const uint8_t* data, size_t data_size, + uint8_t* output_buffer, size_t output_buffer_size, int output_stride); +WEBP_EXTERN uint8_t* WebPDecodeARGBInto( + const uint8_t* data, size_t data_size, + uint8_t* output_buffer, size_t output_buffer_size, int output_stride); +WEBP_EXTERN uint8_t* WebPDecodeBGRAInto( + const uint8_t* data, size_t data_size, + uint8_t* output_buffer, size_t output_buffer_size, int output_stride); + +// RGB and BGR variants. Here too the transparency information, if present, +// will be dropped and ignored. +WEBP_EXTERN uint8_t* WebPDecodeRGBInto( + const uint8_t* data, size_t data_size, + uint8_t* output_buffer, size_t output_buffer_size, int output_stride); +WEBP_EXTERN uint8_t* WebPDecodeBGRInto( + const uint8_t* data, size_t data_size, + uint8_t* output_buffer, size_t output_buffer_size, int output_stride); + +// WebPDecodeYUVInto() is a variant of WebPDecodeYUV() that operates directly +// into pre-allocated luma/chroma plane buffers. This function requires the +// strides to be passed: one for the luma plane and one for each of the +// chroma ones. The size of each plane buffer is passed as 'luma_size', +// 'u_size' and 'v_size' respectively. +// Pointer to the luma plane ('*luma') is returned or NULL if an error occurred +// during decoding (or because some buffers were found to be too small). +WEBP_EXTERN uint8_t* WebPDecodeYUVInto( + const uint8_t* data, size_t data_size, + uint8_t* luma, size_t luma_size, int luma_stride, + uint8_t* u, size_t u_size, int u_stride, + uint8_t* v, size_t v_size, int v_stride); + +//------------------------------------------------------------------------------ +// Output colorspaces and buffer + +// Colorspaces +// Note: the naming describes the byte-ordering of packed samples in memory. +// For instance, MODE_BGRA relates to samples ordered as B,G,R,A,B,G,R,A,... +// Non-capital names (e.g.:MODE_Argb) relates to pre-multiplied RGB channels. +// RGBA-4444 and RGB-565 colorspaces are represented by following byte-order: +// RGBA-4444: [r3 r2 r1 r0 g3 g2 g1 g0], [b3 b2 b1 b0 a3 a2 a1 a0], ... +// RGB-565: [r4 r3 r2 r1 r0 g5 g4 g3], [g2 g1 g0 b4 b3 b2 b1 b0], ... +// In the case WEBP_SWAP_16BITS_CSP is defined, the bytes are swapped for +// these two modes: +// RGBA-4444: [b3 b2 b1 b0 a3 a2 a1 a0], [r3 r2 r1 r0 g3 g2 g1 g0], ... +// RGB-565: [g2 g1 g0 b4 b3 b2 b1 b0], [r4 r3 r2 r1 r0 g5 g4 g3], ... + +typedef enum WEBP_CSP_MODE { + MODE_RGB = 0, MODE_RGBA = 1, + MODE_BGR = 2, MODE_BGRA = 3, + MODE_ARGB = 4, MODE_RGBA_4444 = 5, + MODE_RGB_565 = 6, + // RGB-premultiplied transparent modes (alpha value is preserved) + MODE_rgbA = 7, + MODE_bgrA = 8, + MODE_Argb = 9, + MODE_rgbA_4444 = 10, + // YUV modes must come after RGB ones. + MODE_YUV = 11, MODE_YUVA = 12, // yuv 4:2:0 + MODE_LAST = 13 +} WEBP_CSP_MODE; + +// Some useful macros: +static WEBP_INLINE int WebPIsPremultipliedMode(WEBP_CSP_MODE mode) { + return (mode == MODE_rgbA || mode == MODE_bgrA || mode == MODE_Argb || + mode == MODE_rgbA_4444); +} + +static WEBP_INLINE int WebPIsAlphaMode(WEBP_CSP_MODE mode) { + return (mode == MODE_RGBA || mode == MODE_BGRA || mode == MODE_ARGB || + mode == MODE_RGBA_4444 || mode == MODE_YUVA || + WebPIsPremultipliedMode(mode)); +} + +static WEBP_INLINE int WebPIsRGBMode(WEBP_CSP_MODE mode) { + return (mode < MODE_YUV); +} + +//------------------------------------------------------------------------------ +// WebPDecBuffer: Generic structure for describing the output sample buffer. + +struct WebPRGBABuffer { // view as RGBA + uint8_t* rgba; // pointer to RGBA samples + int stride; // stride in bytes from one scanline to the next. + size_t size; // total size of the *rgba buffer. +}; + +struct WebPYUVABuffer { // view as YUVA + uint8_t* y, *u, *v, *a; // pointer to luma, chroma U/V, alpha samples + int y_stride; // luma stride + int u_stride, v_stride; // chroma strides + int a_stride; // alpha stride + size_t y_size; // luma plane size + size_t u_size, v_size; // chroma planes size + size_t a_size; // alpha-plane size +}; + +// Output buffer +struct WebPDecBuffer { + WEBP_CSP_MODE colorspace; // Colorspace. + int width, height; // Dimensions. + int is_external_memory; // If non-zero, 'internal_memory' pointer is not + // used. If value is '2' or more, the external + // memory is considered 'slow' and multiple + // read/write will be avoided. + union { + WebPRGBABuffer RGBA; + WebPYUVABuffer YUVA; + } u; // Nameless union of buffer parameters. + uint32_t pad[4]; // padding for later use + + uint8_t* private_memory; // Internally allocated memory (only when + // is_external_memory is 0). Should not be used + // externally, but accessed via the buffer union. +}; + +// Internal, version-checked, entry point +WEBP_EXTERN int WebPInitDecBufferInternal(WebPDecBuffer*, int); + +// Initialize the structure as empty. Must be called before any other use. +// Returns false in case of version mismatch +static WEBP_INLINE int WebPInitDecBuffer(WebPDecBuffer* buffer) { + return WebPInitDecBufferInternal(buffer, WEBP_DECODER_ABI_VERSION); +} + +// Free any memory associated with the buffer. Must always be called last. +// Note: doesn't free the 'buffer' structure itself. +WEBP_EXTERN void WebPFreeDecBuffer(WebPDecBuffer* buffer); + +//------------------------------------------------------------------------------ +// Enumeration of the status codes + +typedef enum VP8StatusCode { + VP8_STATUS_OK = 0, + VP8_STATUS_OUT_OF_MEMORY, + VP8_STATUS_INVALID_PARAM, + VP8_STATUS_BITSTREAM_ERROR, + VP8_STATUS_UNSUPPORTED_FEATURE, + VP8_STATUS_SUSPENDED, + VP8_STATUS_USER_ABORT, + VP8_STATUS_NOT_ENOUGH_DATA +} VP8StatusCode; + +//------------------------------------------------------------------------------ +// Incremental decoding +// +// This API allows streamlined decoding of partial data. +// Picture can be incrementally decoded as data become available thanks to the +// WebPIDecoder object. This object can be left in a SUSPENDED state if the +// picture is only partially decoded, pending additional input. +// Code example: +// +// WebPInitDecBuffer(&output_buffer); +// output_buffer.colorspace = mode; +// ... +// WebPIDecoder* idec = WebPINewDecoder(&output_buffer); +// while (additional_data_is_available) { +// // ... (get additional data in some new_data[] buffer) +// status = WebPIAppend(idec, new_data, new_data_size); +// if (status != VP8_STATUS_OK && status != VP8_STATUS_SUSPENDED) { +// break; // an error occurred. +// } +// +// // The above call decodes the current available buffer. +// // Part of the image can now be refreshed by calling +// // WebPIDecGetRGB()/WebPIDecGetYUVA() etc. +// } +// WebPIDelete(idec); + +// Creates a new incremental decoder with the supplied buffer parameter. +// This output_buffer can be passed NULL, in which case a default output buffer +// is used (with MODE_RGB). Otherwise, an internal reference to 'output_buffer' +// is kept, which means that the lifespan of 'output_buffer' must be larger than +// that of the returned WebPIDecoder object. +// The supplied 'output_buffer' content MUST NOT be changed between calls to +// WebPIAppend() or WebPIUpdate() unless 'output_buffer.is_external_memory' is +// not set to 0. In such a case, it is allowed to modify the pointers, size and +// stride of output_buffer.u.RGBA or output_buffer.u.YUVA, provided they remain +// within valid bounds. +// All other fields of WebPDecBuffer MUST remain constant between calls. +// Returns NULL if the allocation failed. +WEBP_EXTERN WebPIDecoder* WebPINewDecoder(WebPDecBuffer* output_buffer); + +// This function allocates and initializes an incremental-decoder object, which +// will output the RGB/A samples specified by 'csp' into a preallocated +// buffer 'output_buffer'. The size of this buffer is at least +// 'output_buffer_size' and the stride (distance in bytes between two scanlines) +// is specified by 'output_stride'. +// Additionally, output_buffer can be passed NULL in which case the output +// buffer will be allocated automatically when the decoding starts. The +// colorspace 'csp' is taken into account for allocating this buffer. All other +// parameters are ignored. +// Returns NULL if the allocation failed, or if some parameters are invalid. +WEBP_EXTERN WebPIDecoder* WebPINewRGB( + WEBP_CSP_MODE csp, + uint8_t* output_buffer, size_t output_buffer_size, int output_stride); + +// This function allocates and initializes an incremental-decoder object, which +// will output the raw luma/chroma samples into a preallocated planes if +// supplied. The luma plane is specified by its pointer 'luma', its size +// 'luma_size' and its stride 'luma_stride'. Similarly, the chroma-u plane +// is specified by the 'u', 'u_size' and 'u_stride' parameters, and the chroma-v +// plane by 'v' and 'v_size'. And same for the alpha-plane. The 'a' pointer +// can be pass NULL in case one is not interested in the transparency plane. +// Conversely, 'luma' can be passed NULL if no preallocated planes are supplied. +// In this case, the output buffer will be automatically allocated (using +// MODE_YUVA) when decoding starts. All parameters are then ignored. +// Returns NULL if the allocation failed or if a parameter is invalid. +WEBP_EXTERN WebPIDecoder* WebPINewYUVA( + uint8_t* luma, size_t luma_size, int luma_stride, + uint8_t* u, size_t u_size, int u_stride, + uint8_t* v, size_t v_size, int v_stride, + uint8_t* a, size_t a_size, int a_stride); + +// Deprecated version of the above, without the alpha plane. +// Kept for backward compatibility. +WEBP_EXTERN WebPIDecoder* WebPINewYUV( + uint8_t* luma, size_t luma_size, int luma_stride, + uint8_t* u, size_t u_size, int u_stride, + uint8_t* v, size_t v_size, int v_stride); + +// Deletes the WebPIDecoder object and associated memory. Must always be called +// if WebPINewDecoder, WebPINewRGB or WebPINewYUV succeeded. +WEBP_EXTERN void WebPIDelete(WebPIDecoder* idec); + +// Copies and decodes the next available data. Returns VP8_STATUS_OK when +// the image is successfully decoded. Returns VP8_STATUS_SUSPENDED when more +// data is expected. Returns error in other cases. +WEBP_EXTERN VP8StatusCode WebPIAppend( + WebPIDecoder* idec, const uint8_t* data, size_t data_size); + +// A variant of the above function to be used when data buffer contains +// partial data from the beginning. In this case data buffer is not copied +// to the internal memory. +// Note that the value of the 'data' pointer can change between calls to +// WebPIUpdate, for instance when the data buffer is resized to fit larger data. +WEBP_EXTERN VP8StatusCode WebPIUpdate( + WebPIDecoder* idec, const uint8_t* data, size_t data_size); + +// Returns the RGB/A image decoded so far. Returns NULL if output params +// are not initialized yet. The RGB/A output type corresponds to the colorspace +// specified during call to WebPINewDecoder() or WebPINewRGB(). +// *last_y is the index of last decoded row in raster scan order. Some pointers +// (*last_y, *width etc.) can be NULL if corresponding information is not +// needed. The values in these pointers are only valid on successful (non-NULL) +// return. +WEBP_EXTERN uint8_t* WebPIDecGetRGB( + const WebPIDecoder* idec, int* last_y, + int* width, int* height, int* stride); + +// Same as above function to get a YUVA image. Returns pointer to the luma +// plane or NULL in case of error. If there is no alpha information +// the alpha pointer '*a' will be returned NULL. +WEBP_EXTERN uint8_t* WebPIDecGetYUVA( + const WebPIDecoder* idec, int* last_y, + uint8_t** u, uint8_t** v, uint8_t** a, + int* width, int* height, int* stride, int* uv_stride, int* a_stride); + +// Deprecated alpha-less version of WebPIDecGetYUVA(): it will ignore the +// alpha information (if present). Kept for backward compatibility. +static WEBP_INLINE uint8_t* WebPIDecGetYUV( + const WebPIDecoder* idec, int* last_y, uint8_t** u, uint8_t** v, + int* width, int* height, int* stride, int* uv_stride) { + return WebPIDecGetYUVA(idec, last_y, u, v, NULL, width, height, + stride, uv_stride, NULL); +} + +// Generic call to retrieve information about the displayable area. +// If non NULL, the left/right/width/height pointers are filled with the visible +// rectangular area so far. +// Returns NULL in case the incremental decoder object is in an invalid state. +// Otherwise returns the pointer to the internal representation. This structure +// is read-only, tied to WebPIDecoder's lifespan and should not be modified. +WEBP_EXTERN const WebPDecBuffer* WebPIDecodedArea( + const WebPIDecoder* idec, int* left, int* top, int* width, int* height); + +//------------------------------------------------------------------------------ +// Advanced decoding parametrization +// +// Code sample for using the advanced decoding API +/* + // A) Init a configuration object + WebPDecoderConfig config; + CHECK(WebPInitDecoderConfig(&config)); + + // B) optional: retrieve the bitstream's features. + CHECK(WebPGetFeatures(data, data_size, &config.input) == VP8_STATUS_OK); + + // C) Adjust 'config', if needed + config.no_fancy_upsampling = 1; + config.output.colorspace = MODE_BGRA; + // etc. + + // Note that you can also make config.output point to an externally + // supplied memory buffer, provided it's big enough to store the decoded + // picture. Otherwise, config.output will just be used to allocate memory + // and store the decoded picture. + + // D) Decode! + CHECK(WebPDecode(data, data_size, &config) == VP8_STATUS_OK); + + // E) Decoded image is now in config.output (and config.output.u.RGBA) + + // F) Reclaim memory allocated in config's object. It's safe to call + // this function even if the memory is external and wasn't allocated + // by WebPDecode(). + WebPFreeDecBuffer(&config.output); +*/ + +// Features gathered from the bitstream +struct WebPBitstreamFeatures { + int width; // Width in pixels, as read from the bitstream. + int height; // Height in pixels, as read from the bitstream. + int has_alpha; // True if the bitstream contains an alpha channel. + int has_animation; // True if the bitstream is an animation. + int format; // 0 = undefined (/mixed), 1 = lossy, 2 = lossless + + uint32_t pad[5]; // padding for later use +}; + +// Internal, version-checked, entry point +WEBP_EXTERN VP8StatusCode WebPGetFeaturesInternal( + const uint8_t*, size_t, WebPBitstreamFeatures*, int); + +// Retrieve features from the bitstream. The *features structure is filled +// with information gathered from the bitstream. +// Returns VP8_STATUS_OK when the features are successfully retrieved. Returns +// VP8_STATUS_NOT_ENOUGH_DATA when more data is needed to retrieve the +// features from headers. Returns error in other cases. +// Note: The following chunk sequences (before the raw VP8/VP8L data) are +// considered valid by this function: +// RIFF + VP8(L) +// RIFF + VP8X + (optional chunks) + VP8(L) +// ALPH + VP8 <-- Not a valid WebP format: only allowed for internal purpose. +// VP8(L) <-- Not a valid WebP format: only allowed for internal purpose. +static WEBP_INLINE VP8StatusCode WebPGetFeatures( + const uint8_t* data, size_t data_size, + WebPBitstreamFeatures* features) { + return WebPGetFeaturesInternal(data, data_size, features, + WEBP_DECODER_ABI_VERSION); +} + +// Decoding options +struct WebPDecoderOptions { + int bypass_filtering; // if true, skip the in-loop filtering + int no_fancy_upsampling; // if true, use faster pointwise upsampler + int use_cropping; // if true, cropping is applied _first_ + int crop_left, crop_top; // top-left position for cropping. + // Will be snapped to even values. + int crop_width, crop_height; // dimension of the cropping area + int use_scaling; // if true, scaling is applied _afterward_ + int scaled_width, scaled_height; // final resolution + int use_threads; // if true, use multi-threaded decoding + int dithering_strength; // dithering strength (0=Off, 100=full) + int flip; // if true, flip output vertically + int alpha_dithering_strength; // alpha dithering strength in [0..100] + + uint32_t pad[5]; // padding for later use +}; + +// Main object storing the configuration for advanced decoding. +struct WebPDecoderConfig { + WebPBitstreamFeatures input; // Immutable bitstream features (optional) + WebPDecBuffer output; // Output buffer (can point to external mem) + WebPDecoderOptions options; // Decoding options +}; + +// Internal, version-checked, entry point +WEBP_EXTERN int WebPInitDecoderConfigInternal(WebPDecoderConfig*, int); + +// Initialize the configuration as empty. This function must always be +// called first, unless WebPGetFeatures() is to be called. +// Returns false in case of mismatched version. +static WEBP_INLINE int WebPInitDecoderConfig(WebPDecoderConfig* config) { + return WebPInitDecoderConfigInternal(config, WEBP_DECODER_ABI_VERSION); +} + +// Instantiate a new incremental decoder object with the requested +// configuration. The bitstream can be passed using 'data' and 'data_size' +// parameter, in which case the features will be parsed and stored into +// config->input. Otherwise, 'data' can be NULL and no parsing will occur. +// Note that 'config' can be NULL too, in which case a default configuration +// is used. If 'config' is not NULL, it must outlive the WebPIDecoder object +// as some references to its fields will be used. No internal copy of 'config' +// is made. +// The return WebPIDecoder object must always be deleted calling WebPIDelete(). +// Returns NULL in case of error (and config->status will then reflect +// the error condition, if available). +WEBP_EXTERN WebPIDecoder* WebPIDecode(const uint8_t* data, size_t data_size, + WebPDecoderConfig* config); + +// Non-incremental version. This version decodes the full data at once, taking +// 'config' into account. Returns decoding status (which should be VP8_STATUS_OK +// if the decoding was successful). Note that 'config' cannot be NULL. +WEBP_EXTERN VP8StatusCode WebPDecode(const uint8_t* data, size_t data_size, + WebPDecoderConfig* config); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_WEBP_DECODE_H_ diff --git a/ProductApp/Pods/libwebp/src/webp/demux.h b/ProductApp/Pods/libwebp/src/webp/demux.h new file mode 100644 index 0000000..846eeb1 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/webp/demux.h @@ -0,0 +1,363 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Demux API. +// Enables extraction of image and extended format data from WebP files. + +// Code Example: Demuxing WebP data to extract all the frames, ICC profile +// and EXIF/XMP metadata. +/* + WebPDemuxer* demux = WebPDemux(&webp_data); + + uint32_t width = WebPDemuxGetI(demux, WEBP_FF_CANVAS_WIDTH); + uint32_t height = WebPDemuxGetI(demux, WEBP_FF_CANVAS_HEIGHT); + // ... (Get information about the features present in the WebP file). + uint32_t flags = WebPDemuxGetI(demux, WEBP_FF_FORMAT_FLAGS); + + // ... (Iterate over all frames). + WebPIterator iter; + if (WebPDemuxGetFrame(demux, 1, &iter)) { + do { + // ... (Consume 'iter'; e.g. Decode 'iter.fragment' with WebPDecode(), + // ... and get other frame properties like width, height, offsets etc. + // ... see 'struct WebPIterator' below for more info). + } while (WebPDemuxNextFrame(&iter)); + WebPDemuxReleaseIterator(&iter); + } + + // ... (Extract metadata). + WebPChunkIterator chunk_iter; + if (flags & ICCP_FLAG) WebPDemuxGetChunk(demux, "ICCP", 1, &chunk_iter); + // ... (Consume the ICC profile in 'chunk_iter.chunk'). + WebPDemuxReleaseChunkIterator(&chunk_iter); + if (flags & EXIF_FLAG) WebPDemuxGetChunk(demux, "EXIF", 1, &chunk_iter); + // ... (Consume the EXIF metadata in 'chunk_iter.chunk'). + WebPDemuxReleaseChunkIterator(&chunk_iter); + if (flags & XMP_FLAG) WebPDemuxGetChunk(demux, "XMP ", 1, &chunk_iter); + // ... (Consume the XMP metadata in 'chunk_iter.chunk'). + WebPDemuxReleaseChunkIterator(&chunk_iter); + WebPDemuxDelete(demux); +*/ + +#ifndef WEBP_WEBP_DEMUX_H_ +#define WEBP_WEBP_DEMUX_H_ + +#include "./decode.h" // for WEBP_CSP_MODE +#include "./mux_types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define WEBP_DEMUX_ABI_VERSION 0x0107 // MAJOR(8b) + MINOR(8b) + +// Note: forward declaring enumerations is not allowed in (strict) C and C++, +// the types are left here for reference. +// typedef enum WebPDemuxState WebPDemuxState; +// typedef enum WebPFormatFeature WebPFormatFeature; +typedef struct WebPDemuxer WebPDemuxer; +typedef struct WebPIterator WebPIterator; +typedef struct WebPChunkIterator WebPChunkIterator; +typedef struct WebPAnimInfo WebPAnimInfo; +typedef struct WebPAnimDecoderOptions WebPAnimDecoderOptions; + +//------------------------------------------------------------------------------ + +// Returns the version number of the demux library, packed in hexadecimal using +// 8bits for each of major/minor/revision. E.g: v2.5.7 is 0x020507. +WEBP_EXTERN int WebPGetDemuxVersion(void); + +//------------------------------------------------------------------------------ +// Life of a Demux object + +typedef enum WebPDemuxState { + WEBP_DEMUX_PARSE_ERROR = -1, // An error occurred while parsing. + WEBP_DEMUX_PARSING_HEADER = 0, // Not enough data to parse full header. + WEBP_DEMUX_PARSED_HEADER = 1, // Header parsing complete, + // data may be available. + WEBP_DEMUX_DONE = 2 // Entire file has been parsed. +} WebPDemuxState; + +// Internal, version-checked, entry point +WEBP_EXTERN WebPDemuxer* WebPDemuxInternal( + const WebPData*, int, WebPDemuxState*, int); + +// Parses the full WebP file given by 'data'. For single images the WebP file +// header alone or the file header and the chunk header may be absent. +// Returns a WebPDemuxer object on successful parse, NULL otherwise. +static WEBP_INLINE WebPDemuxer* WebPDemux(const WebPData* data) { + return WebPDemuxInternal(data, 0, NULL, WEBP_DEMUX_ABI_VERSION); +} + +// Parses the possibly incomplete WebP file given by 'data'. +// If 'state' is non-NULL it will be set to indicate the status of the demuxer. +// Returns NULL in case of error or if there isn't enough data to start parsing; +// and a WebPDemuxer object on successful parse. +// Note that WebPDemuxer keeps internal pointers to 'data' memory segment. +// If this data is volatile, the demuxer object should be deleted (by calling +// WebPDemuxDelete()) and WebPDemuxPartial() called again on the new data. +// This is usually an inexpensive operation. +static WEBP_INLINE WebPDemuxer* WebPDemuxPartial( + const WebPData* data, WebPDemuxState* state) { + return WebPDemuxInternal(data, 1, state, WEBP_DEMUX_ABI_VERSION); +} + +// Frees memory associated with 'dmux'. +WEBP_EXTERN void WebPDemuxDelete(WebPDemuxer* dmux); + +//------------------------------------------------------------------------------ +// Data/information extraction. + +typedef enum WebPFormatFeature { + WEBP_FF_FORMAT_FLAGS, // bit-wise combination of WebPFeatureFlags + // corresponding to the 'VP8X' chunk (if present). + WEBP_FF_CANVAS_WIDTH, + WEBP_FF_CANVAS_HEIGHT, + WEBP_FF_LOOP_COUNT, // only relevant for animated file + WEBP_FF_BACKGROUND_COLOR, // idem. + WEBP_FF_FRAME_COUNT // Number of frames present in the demux object. + // In case of a partial demux, this is the number + // of frames seen so far, with the last frame + // possibly being partial. +} WebPFormatFeature; + +// Get the 'feature' value from the 'dmux'. +// NOTE: values are only valid if WebPDemux() was used or WebPDemuxPartial() +// returned a state > WEBP_DEMUX_PARSING_HEADER. +// If 'feature' is WEBP_FF_FORMAT_FLAGS, the returned value is a bit-wise +// combination of WebPFeatureFlags values. +// If 'feature' is WEBP_FF_LOOP_COUNT, WEBP_FF_BACKGROUND_COLOR, the returned +// value is only meaningful if the bitstream is animated. +WEBP_EXTERN uint32_t WebPDemuxGetI( + const WebPDemuxer* dmux, WebPFormatFeature feature); + +//------------------------------------------------------------------------------ +// Frame iteration. + +struct WebPIterator { + int frame_num; + int num_frames; // equivalent to WEBP_FF_FRAME_COUNT. + int x_offset, y_offset; // offset relative to the canvas. + int width, height; // dimensions of this frame. + int duration; // display duration in milliseconds. + WebPMuxAnimDispose dispose_method; // dispose method for the frame. + int complete; // true if 'fragment' contains a full frame. partial images + // may still be decoded with the WebP incremental decoder. + WebPData fragment; // The frame given by 'frame_num'. Note for historical + // reasons this is called a fragment. + int has_alpha; // True if the frame contains transparency. + WebPMuxAnimBlend blend_method; // Blend operation for the frame. + + uint32_t pad[2]; // padding for later use. + void* private_; // for internal use only. +}; + +// Retrieves frame 'frame_number' from 'dmux'. +// 'iter->fragment' points to the frame on return from this function. +// Setting 'frame_number' equal to 0 will return the last frame of the image. +// Returns false if 'dmux' is NULL or frame 'frame_number' is not present. +// Call WebPDemuxReleaseIterator() when use of the iterator is complete. +// NOTE: 'dmux' must persist for the lifetime of 'iter'. +WEBP_EXTERN int WebPDemuxGetFrame( + const WebPDemuxer* dmux, int frame_number, WebPIterator* iter); + +// Sets 'iter->fragment' to point to the next ('iter->frame_num' + 1) or +// previous ('iter->frame_num' - 1) frame. These functions do not loop. +// Returns true on success, false otherwise. +WEBP_EXTERN int WebPDemuxNextFrame(WebPIterator* iter); +WEBP_EXTERN int WebPDemuxPrevFrame(WebPIterator* iter); + +// Releases any memory associated with 'iter'. +// Must be called before any subsequent calls to WebPDemuxGetChunk() on the same +// iter. Also, must be called before destroying the associated WebPDemuxer with +// WebPDemuxDelete(). +WEBP_EXTERN void WebPDemuxReleaseIterator(WebPIterator* iter); + +//------------------------------------------------------------------------------ +// Chunk iteration. + +struct WebPChunkIterator { + // The current and total number of chunks with the fourcc given to + // WebPDemuxGetChunk(). + int chunk_num; + int num_chunks; + WebPData chunk; // The payload of the chunk. + + uint32_t pad[6]; // padding for later use + void* private_; +}; + +// Retrieves the 'chunk_number' instance of the chunk with id 'fourcc' from +// 'dmux'. +// 'fourcc' is a character array containing the fourcc of the chunk to return, +// e.g., "ICCP", "XMP ", "EXIF", etc. +// Setting 'chunk_number' equal to 0 will return the last chunk in a set. +// Returns true if the chunk is found, false otherwise. Image related chunk +// payloads are accessed through WebPDemuxGetFrame() and related functions. +// Call WebPDemuxReleaseChunkIterator() when use of the iterator is complete. +// NOTE: 'dmux' must persist for the lifetime of the iterator. +WEBP_EXTERN int WebPDemuxGetChunk(const WebPDemuxer* dmux, + const char fourcc[4], int chunk_number, + WebPChunkIterator* iter); + +// Sets 'iter->chunk' to point to the next ('iter->chunk_num' + 1) or previous +// ('iter->chunk_num' - 1) chunk. These functions do not loop. +// Returns true on success, false otherwise. +WEBP_EXTERN int WebPDemuxNextChunk(WebPChunkIterator* iter); +WEBP_EXTERN int WebPDemuxPrevChunk(WebPChunkIterator* iter); + +// Releases any memory associated with 'iter'. +// Must be called before destroying the associated WebPDemuxer with +// WebPDemuxDelete(). +WEBP_EXTERN void WebPDemuxReleaseChunkIterator(WebPChunkIterator* iter); + +//------------------------------------------------------------------------------ +// WebPAnimDecoder API +// +// This API allows decoding (possibly) animated WebP images. +// +// Code Example: +/* + WebPAnimDecoderOptions dec_options; + WebPAnimDecoderOptionsInit(&dec_options); + // Tune 'dec_options' as needed. + WebPAnimDecoder* dec = WebPAnimDecoderNew(webp_data, &dec_options); + WebPAnimInfo anim_info; + WebPAnimDecoderGetInfo(dec, &anim_info); + for (uint32_t i = 0; i < anim_info.loop_count; ++i) { + while (WebPAnimDecoderHasMoreFrames(dec)) { + uint8_t* buf; + int timestamp; + WebPAnimDecoderGetNext(dec, &buf, ×tamp); + // ... (Render 'buf' based on 'timestamp'). + // ... (Do NOT free 'buf', as it is owned by 'dec'). + } + WebPAnimDecoderReset(dec); + } + const WebPDemuxer* demuxer = WebPAnimDecoderGetDemuxer(dec); + // ... (Do something using 'demuxer'; e.g. get EXIF/XMP/ICC data). + WebPAnimDecoderDelete(dec); +*/ + +typedef struct WebPAnimDecoder WebPAnimDecoder; // Main opaque object. + +// Global options. +struct WebPAnimDecoderOptions { + // Output colorspace. Only the following modes are supported: + // MODE_RGBA, MODE_BGRA, MODE_rgbA and MODE_bgrA. + WEBP_CSP_MODE color_mode; + int use_threads; // If true, use multi-threaded decoding. + uint32_t padding[7]; // Padding for later use. +}; + +// Internal, version-checked, entry point. +WEBP_EXTERN int WebPAnimDecoderOptionsInitInternal( + WebPAnimDecoderOptions*, int); + +// Should always be called, to initialize a fresh WebPAnimDecoderOptions +// structure before modification. Returns false in case of version mismatch. +// WebPAnimDecoderOptionsInit() must have succeeded before using the +// 'dec_options' object. +static WEBP_INLINE int WebPAnimDecoderOptionsInit( + WebPAnimDecoderOptions* dec_options) { + return WebPAnimDecoderOptionsInitInternal(dec_options, + WEBP_DEMUX_ABI_VERSION); +} + +// Internal, version-checked, entry point. +WEBP_EXTERN WebPAnimDecoder* WebPAnimDecoderNewInternal( + const WebPData*, const WebPAnimDecoderOptions*, int); + +// Creates and initializes a WebPAnimDecoder object. +// Parameters: +// webp_data - (in) WebP bitstream. This should remain unchanged during the +// lifetime of the output WebPAnimDecoder object. +// dec_options - (in) decoding options. Can be passed NULL to choose +// reasonable defaults (in particular, color mode MODE_RGBA +// will be picked). +// Returns: +// A pointer to the newly created WebPAnimDecoder object, or NULL in case of +// parsing error, invalid option or memory error. +static WEBP_INLINE WebPAnimDecoder* WebPAnimDecoderNew( + const WebPData* webp_data, const WebPAnimDecoderOptions* dec_options) { + return WebPAnimDecoderNewInternal(webp_data, dec_options, + WEBP_DEMUX_ABI_VERSION); +} + +// Global information about the animation.. +struct WebPAnimInfo { + uint32_t canvas_width; + uint32_t canvas_height; + uint32_t loop_count; + uint32_t bgcolor; + uint32_t frame_count; + uint32_t pad[4]; // padding for later use +}; + +// Get global information about the animation. +// Parameters: +// dec - (in) decoder instance to get information from. +// info - (out) global information fetched from the animation. +// Returns: +// True on success. +WEBP_EXTERN int WebPAnimDecoderGetInfo(const WebPAnimDecoder* dec, + WebPAnimInfo* info); + +// Fetch the next frame from 'dec' based on options supplied to +// WebPAnimDecoderNew(). This will be a fully reconstructed canvas of size +// 'canvas_width * 4 * canvas_height', and not just the frame sub-rectangle. The +// returned buffer 'buf' is valid only until the next call to +// WebPAnimDecoderGetNext(), WebPAnimDecoderReset() or WebPAnimDecoderDelete(). +// Parameters: +// dec - (in/out) decoder instance from which the next frame is to be fetched. +// buf - (out) decoded frame. +// timestamp - (out) timestamp of the frame in milliseconds. +// Returns: +// False if any of the arguments are NULL, or if there is a parsing or +// decoding error, or if there are no more frames. Otherwise, returns true. +WEBP_EXTERN int WebPAnimDecoderGetNext(WebPAnimDecoder* dec, + uint8_t** buf, int* timestamp); + +// Check if there are more frames left to decode. +// Parameters: +// dec - (in) decoder instance to be checked. +// Returns: +// True if 'dec' is not NULL and some frames are yet to be decoded. +// Otherwise, returns false. +WEBP_EXTERN int WebPAnimDecoderHasMoreFrames(const WebPAnimDecoder* dec); + +// Resets the WebPAnimDecoder object, so that next call to +// WebPAnimDecoderGetNext() will restart decoding from 1st frame. This would be +// helpful when all frames need to be decoded multiple times (e.g. +// info.loop_count times) without destroying and recreating the 'dec' object. +// Parameters: +// dec - (in/out) decoder instance to be reset +WEBP_EXTERN void WebPAnimDecoderReset(WebPAnimDecoder* dec); + +// Grab the internal demuxer object. +// Getting the demuxer object can be useful if one wants to use operations only +// available through demuxer; e.g. to get XMP/EXIF/ICC metadata. The returned +// demuxer object is owned by 'dec' and is valid only until the next call to +// WebPAnimDecoderDelete(). +// +// Parameters: +// dec - (in) decoder instance from which the demuxer object is to be fetched. +WEBP_EXTERN const WebPDemuxer* WebPAnimDecoderGetDemuxer( + const WebPAnimDecoder* dec); + +// Deletes the WebPAnimDecoder object. +// Parameters: +// dec - (in/out) decoder instance to be deleted +WEBP_EXTERN void WebPAnimDecoderDelete(WebPAnimDecoder* dec); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_WEBP_DEMUX_H_ diff --git a/ProductApp/Pods/libwebp/src/webp/encode.h b/ProductApp/Pods/libwebp/src/webp/encode.h new file mode 100644 index 0000000..56b68e2 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/webp/encode.h @@ -0,0 +1,552 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// WebP encoder: main interface +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_WEBP_ENCODE_H_ +#define WEBP_WEBP_ENCODE_H_ + +#include "./types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define WEBP_ENCODER_ABI_VERSION 0x020f // MAJOR(8b) + MINOR(8b) + +// Note: forward declaring enumerations is not allowed in (strict) C and C++, +// the types are left here for reference. +// typedef enum WebPImageHint WebPImageHint; +// typedef enum WebPEncCSP WebPEncCSP; +// typedef enum WebPPreset WebPPreset; +// typedef enum WebPEncodingError WebPEncodingError; +typedef struct WebPConfig WebPConfig; +typedef struct WebPPicture WebPPicture; // main structure for I/O +typedef struct WebPAuxStats WebPAuxStats; +typedef struct WebPMemoryWriter WebPMemoryWriter; + +// Return the encoder's version number, packed in hexadecimal using 8bits for +// each of major/minor/revision. E.g: v2.5.7 is 0x020507. +WEBP_EXTERN int WebPGetEncoderVersion(void); + +//------------------------------------------------------------------------------ +// One-stop-shop call! No questions asked: + +// Returns the size of the compressed data (pointed to by *output), or 0 if +// an error occurred. The compressed data must be released by the caller +// using the call 'WebPFree(*output)'. +// These functions compress using the lossy format, and the quality_factor +// can go from 0 (smaller output, lower quality) to 100 (best quality, +// larger output). +WEBP_EXTERN size_t WebPEncodeRGB(const uint8_t* rgb, + int width, int height, int stride, + float quality_factor, uint8_t** output); +WEBP_EXTERN size_t WebPEncodeBGR(const uint8_t* bgr, + int width, int height, int stride, + float quality_factor, uint8_t** output); +WEBP_EXTERN size_t WebPEncodeRGBA(const uint8_t* rgba, + int width, int height, int stride, + float quality_factor, uint8_t** output); +WEBP_EXTERN size_t WebPEncodeBGRA(const uint8_t* bgra, + int width, int height, int stride, + float quality_factor, uint8_t** output); + +// These functions are the equivalent of the above, but compressing in a +// lossless manner. Files are usually larger than lossy format, but will +// not suffer any compression loss. +// Note these functions, like the lossy versions, use the library's default +// settings. For lossless this means 'exact' is disabled. RGB values in +// transparent areas will be modified to improve compression. To avoid this, +// use WebPEncode() and set WebPConfig::exact to 1. +WEBP_EXTERN size_t WebPEncodeLosslessRGB(const uint8_t* rgb, + int width, int height, int stride, + uint8_t** output); +WEBP_EXTERN size_t WebPEncodeLosslessBGR(const uint8_t* bgr, + int width, int height, int stride, + uint8_t** output); +WEBP_EXTERN size_t WebPEncodeLosslessRGBA(const uint8_t* rgba, + int width, int height, int stride, + uint8_t** output); +WEBP_EXTERN size_t WebPEncodeLosslessBGRA(const uint8_t* bgra, + int width, int height, int stride, + uint8_t** output); + +//------------------------------------------------------------------------------ +// Coding parameters + +// Image characteristics hint for the underlying encoder. +typedef enum WebPImageHint { + WEBP_HINT_DEFAULT = 0, // default preset. + WEBP_HINT_PICTURE, // digital picture, like portrait, inner shot + WEBP_HINT_PHOTO, // outdoor photograph, with natural lighting + WEBP_HINT_GRAPH, // Discrete tone image (graph, map-tile etc). + WEBP_HINT_LAST +} WebPImageHint; + +// Compression parameters. +struct WebPConfig { + int lossless; // Lossless encoding (0=lossy(default), 1=lossless). + float quality; // between 0 and 100. For lossy, 0 gives the smallest + // size and 100 the largest. For lossless, this + // parameter is the amount of effort put into the + // compression: 0 is the fastest but gives larger + // files compared to the slowest, but best, 100. + int method; // quality/speed trade-off (0=fast, 6=slower-better) + + WebPImageHint image_hint; // Hint for image type (lossless only for now). + + int target_size; // if non-zero, set the desired target size in bytes. + // Takes precedence over the 'compression' parameter. + float target_PSNR; // if non-zero, specifies the minimal distortion to + // try to achieve. Takes precedence over target_size. + int segments; // maximum number of segments to use, in [1..4] + int sns_strength; // Spatial Noise Shaping. 0=off, 100=maximum. + int filter_strength; // range: [0 = off .. 100 = strongest] + int filter_sharpness; // range: [0 = off .. 7 = least sharp] + int filter_type; // filtering type: 0 = simple, 1 = strong (only used + // if filter_strength > 0 or autofilter > 0) + int autofilter; // Auto adjust filter's strength [0 = off, 1 = on] + int alpha_compression; // Algorithm for encoding the alpha plane (0 = none, + // 1 = compressed with WebP lossless). Default is 1. + int alpha_filtering; // Predictive filtering method for alpha plane. + // 0: none, 1: fast, 2: best. Default if 1. + int alpha_quality; // Between 0 (smallest size) and 100 (lossless). + // Default is 100. + int pass; // number of entropy-analysis passes (in [1..10]). + + int show_compressed; // if true, export the compressed picture back. + // In-loop filtering is not applied. + int preprocessing; // preprocessing filter: + // 0=none, 1=segment-smooth, 2=pseudo-random dithering + int partitions; // log2(number of token partitions) in [0..3]. Default + // is set to 0 for easier progressive decoding. + int partition_limit; // quality degradation allowed to fit the 512k limit + // on prediction modes coding (0: no degradation, + // 100: maximum possible degradation). + int emulate_jpeg_size; // If true, compression parameters will be remapped + // to better match the expected output size from + // JPEG compression. Generally, the output size will + // be similar but the degradation will be lower. + int thread_level; // If non-zero, try and use multi-threaded encoding. + int low_memory; // If set, reduce memory usage (but increase CPU use). + + int near_lossless; // Near lossless encoding [0 = max loss .. 100 = off + // (default)]. + int exact; // if non-zero, preserve the exact RGB values under + // transparent area. Otherwise, discard this invisible + // RGB information for better compression. The default + // value is 0. + + int use_delta_palette; // reserved for future lossless feature + int use_sharp_yuv; // if needed, use sharp (and slow) RGB->YUV conversion + + int qmin; // minimum permissible quality factor + int qmax; // maximum permissible quality factor +}; + +// Enumerate some predefined settings for WebPConfig, depending on the type +// of source picture. These presets are used when calling WebPConfigPreset(). +typedef enum WebPPreset { + WEBP_PRESET_DEFAULT = 0, // default preset. + WEBP_PRESET_PICTURE, // digital picture, like portrait, inner shot + WEBP_PRESET_PHOTO, // outdoor photograph, with natural lighting + WEBP_PRESET_DRAWING, // hand or line drawing, with high-contrast details + WEBP_PRESET_ICON, // small-sized colorful images + WEBP_PRESET_TEXT // text-like +} WebPPreset; + +// Internal, version-checked, entry point +WEBP_EXTERN int WebPConfigInitInternal(WebPConfig*, WebPPreset, float, int); + +// Should always be called, to initialize a fresh WebPConfig structure before +// modification. Returns false in case of version mismatch. WebPConfigInit() +// must have succeeded before using the 'config' object. +// Note that the default values are lossless=0 and quality=75. +static WEBP_INLINE int WebPConfigInit(WebPConfig* config) { + return WebPConfigInitInternal(config, WEBP_PRESET_DEFAULT, 75.f, + WEBP_ENCODER_ABI_VERSION); +} + +// This function will initialize the configuration according to a predefined +// set of parameters (referred to by 'preset') and a given quality factor. +// This function can be called as a replacement to WebPConfigInit(). Will +// return false in case of error. +static WEBP_INLINE int WebPConfigPreset(WebPConfig* config, + WebPPreset preset, float quality) { + return WebPConfigInitInternal(config, preset, quality, + WEBP_ENCODER_ABI_VERSION); +} + +// Activate the lossless compression mode with the desired efficiency level +// between 0 (fastest, lowest compression) and 9 (slower, best compression). +// A good default level is '6', providing a fair tradeoff between compression +// speed and final compressed size. +// This function will overwrite several fields from config: 'method', 'quality' +// and 'lossless'. Returns false in case of parameter error. +WEBP_EXTERN int WebPConfigLosslessPreset(WebPConfig* config, int level); + +// Returns true if 'config' is non-NULL and all configuration parameters are +// within their valid ranges. +WEBP_EXTERN int WebPValidateConfig(const WebPConfig* config); + +//------------------------------------------------------------------------------ +// Input / Output +// Structure for storing auxiliary statistics. + +struct WebPAuxStats { + int coded_size; // final size + + float PSNR[5]; // peak-signal-to-noise ratio for Y/U/V/All/Alpha + int block_count[3]; // number of intra4/intra16/skipped macroblocks + int header_bytes[2]; // approximate number of bytes spent for header + // and mode-partition #0 + int residual_bytes[3][4]; // approximate number of bytes spent for + // DC/AC/uv coefficients for each (0..3) segments. + int segment_size[4]; // number of macroblocks in each segments + int segment_quant[4]; // quantizer values for each segments + int segment_level[4]; // filtering strength for each segments [0..63] + + int alpha_data_size; // size of the transparency data + int layer_data_size; // size of the enhancement layer data + + // lossless encoder statistics + uint32_t lossless_features; // bit0:predictor bit1:cross-color transform + // bit2:subtract-green bit3:color indexing + int histogram_bits; // number of precision bits of histogram + int transform_bits; // precision bits for transform + int cache_bits; // number of bits for color cache lookup + int palette_size; // number of color in palette, if used + int lossless_size; // final lossless size + int lossless_hdr_size; // lossless header (transform, huffman etc) size + int lossless_data_size; // lossless image data size + + uint32_t pad[2]; // padding for later use +}; + +// Signature for output function. Should return true if writing was successful. +// data/data_size is the segment of data to write, and 'picture' is for +// reference (and so one can make use of picture->custom_ptr). +typedef int (*WebPWriterFunction)(const uint8_t* data, size_t data_size, + const WebPPicture* picture); + +// WebPMemoryWrite: a special WebPWriterFunction that writes to memory using +// the following WebPMemoryWriter object (to be set as a custom_ptr). +struct WebPMemoryWriter { + uint8_t* mem; // final buffer (of size 'max_size', larger than 'size'). + size_t size; // final size + size_t max_size; // total capacity + uint32_t pad[1]; // padding for later use +}; + +// The following must be called first before any use. +WEBP_EXTERN void WebPMemoryWriterInit(WebPMemoryWriter* writer); + +// The following must be called to deallocate writer->mem memory. The 'writer' +// object itself is not deallocated. +WEBP_EXTERN void WebPMemoryWriterClear(WebPMemoryWriter* writer); +// The custom writer to be used with WebPMemoryWriter as custom_ptr. Upon +// completion, writer.mem and writer.size will hold the coded data. +// writer.mem must be freed by calling WebPMemoryWriterClear. +WEBP_EXTERN int WebPMemoryWrite(const uint8_t* data, size_t data_size, + const WebPPicture* picture); + +// Progress hook, called from time to time to report progress. It can return +// false to request an abort of the encoding process, or true otherwise if +// everything is OK. +typedef int (*WebPProgressHook)(int percent, const WebPPicture* picture); + +// Color spaces. +typedef enum WebPEncCSP { + // chroma sampling + WEBP_YUV420 = 0, // 4:2:0 + WEBP_YUV420A = 4, // alpha channel variant + WEBP_CSP_UV_MASK = 3, // bit-mask to get the UV sampling factors + WEBP_CSP_ALPHA_BIT = 4 // bit that is set if alpha is present +} WebPEncCSP; + +// Encoding error conditions. +typedef enum WebPEncodingError { + VP8_ENC_OK = 0, + VP8_ENC_ERROR_OUT_OF_MEMORY, // memory error allocating objects + VP8_ENC_ERROR_BITSTREAM_OUT_OF_MEMORY, // memory error while flushing bits + VP8_ENC_ERROR_NULL_PARAMETER, // a pointer parameter is NULL + VP8_ENC_ERROR_INVALID_CONFIGURATION, // configuration is invalid + VP8_ENC_ERROR_BAD_DIMENSION, // picture has invalid width/height + VP8_ENC_ERROR_PARTITION0_OVERFLOW, // partition is bigger than 512k + VP8_ENC_ERROR_PARTITION_OVERFLOW, // partition is bigger than 16M + VP8_ENC_ERROR_BAD_WRITE, // error while flushing bytes + VP8_ENC_ERROR_FILE_TOO_BIG, // file is bigger than 4G + VP8_ENC_ERROR_USER_ABORT, // abort request by user + VP8_ENC_ERROR_LAST // list terminator. always last. +} WebPEncodingError; + +// maximum width/height allowed (inclusive), in pixels +#define WEBP_MAX_DIMENSION 16383 + +// Main exchange structure (input samples, output bytes, statistics) +// +// Once WebPPictureInit() has been called, it's ok to make all the INPUT fields +// (use_argb, y/u/v, argb, ...) point to user-owned data, even if +// WebPPictureAlloc() has been called. Depending on the value use_argb, +// it's guaranteed that either *argb or *y/*u/*v content will be kept untouched. +struct WebPPicture { + // INPUT + ////////////// + // Main flag for encoder selecting between ARGB or YUV input. + // It is recommended to use ARGB input (*argb, argb_stride) for lossless + // compression, and YUV input (*y, *u, *v, etc.) for lossy compression + // since these are the respective native colorspace for these formats. + int use_argb; + + // YUV input (mostly used for input to lossy compression) + WebPEncCSP colorspace; // colorspace: should be YUV420 for now (=Y'CbCr). + int width, height; // dimensions (less or equal to WEBP_MAX_DIMENSION) + uint8_t* y, *u, *v; // pointers to luma/chroma planes. + int y_stride, uv_stride; // luma/chroma strides. + uint8_t* a; // pointer to the alpha plane + int a_stride; // stride of the alpha plane + uint32_t pad1[2]; // padding for later use + + // ARGB input (mostly used for input to lossless compression) + uint32_t* argb; // Pointer to argb (32 bit) plane. + int argb_stride; // This is stride in pixels units, not bytes. + uint32_t pad2[3]; // padding for later use + + // OUTPUT + /////////////// + // Byte-emission hook, to store compressed bytes as they are ready. + WebPWriterFunction writer; // can be NULL + void* custom_ptr; // can be used by the writer. + + // map for extra information (only for lossy compression mode) + int extra_info_type; // 1: intra type, 2: segment, 3: quant + // 4: intra-16 prediction mode, + // 5: chroma prediction mode, + // 6: bit cost, 7: distortion + uint8_t* extra_info; // if not NULL, points to an array of size + // ((width + 15) / 16) * ((height + 15) / 16) that + // will be filled with a macroblock map, depending + // on extra_info_type. + + // STATS AND REPORTS + /////////////////////////// + // Pointer to side statistics (updated only if not NULL) + WebPAuxStats* stats; + + // Error code for the latest error encountered during encoding + WebPEncodingError error_code; + + // If not NULL, report progress during encoding. + WebPProgressHook progress_hook; + + void* user_data; // this field is free to be set to any value and + // used during callbacks (like progress-report e.g.). + + uint32_t pad3[3]; // padding for later use + + // Unused for now + uint8_t* pad4, *pad5; + uint32_t pad6[8]; // padding for later use + + // PRIVATE FIELDS + //////////////////// + void* memory_; // row chunk of memory for yuva planes + void* memory_argb_; // and for argb too. + void* pad7[2]; // padding for later use +}; + +// Internal, version-checked, entry point +WEBP_EXTERN int WebPPictureInitInternal(WebPPicture*, int); + +// Should always be called, to initialize the structure. Returns false in case +// of version mismatch. WebPPictureInit() must have succeeded before using the +// 'picture' object. +// Note that, by default, use_argb is false and colorspace is WEBP_YUV420. +static WEBP_INLINE int WebPPictureInit(WebPPicture* picture) { + return WebPPictureInitInternal(picture, WEBP_ENCODER_ABI_VERSION); +} + +//------------------------------------------------------------------------------ +// WebPPicture utils + +// Convenience allocation / deallocation based on picture->width/height: +// Allocate y/u/v buffers as per colorspace/width/height specification. +// Note! This function will free the previous buffer if needed. +// Returns false in case of memory error. +WEBP_EXTERN int WebPPictureAlloc(WebPPicture* picture); + +// Release the memory allocated by WebPPictureAlloc() or WebPPictureImport*(). +// Note that this function does _not_ free the memory used by the 'picture' +// object itself. +// Besides memory (which is reclaimed) all other fields of 'picture' are +// preserved. +WEBP_EXTERN void WebPPictureFree(WebPPicture* picture); + +// Copy the pixels of *src into *dst, using WebPPictureAlloc. Upon return, *dst +// will fully own the copied pixels (this is not a view). The 'dst' picture need +// not be initialized as its content is overwritten. +// Returns false in case of memory allocation error. +WEBP_EXTERN int WebPPictureCopy(const WebPPicture* src, WebPPicture* dst); + +// Compute the single distortion for packed planes of samples. +// 'src' will be compared to 'ref', and the raw distortion stored into +// '*distortion'. The refined metric (log(MSE), log(1 - ssim),...' will be +// stored in '*result'. +// 'x_step' is the horizontal stride (in bytes) between samples. +// 'src/ref_stride' is the byte distance between rows. +// Returns false in case of error (bad parameter, memory allocation error, ...). +WEBP_EXTERN int WebPPlaneDistortion(const uint8_t* src, size_t src_stride, + const uint8_t* ref, size_t ref_stride, + int width, int height, + size_t x_step, + int type, // 0 = PSNR, 1 = SSIM, 2 = LSIM + float* distortion, float* result); + +// Compute PSNR, SSIM or LSIM distortion metric between two pictures. Results +// are in dB, stored in result[] in the B/G/R/A/All order. The distortion is +// always performed using ARGB samples. Hence if the input is YUV(A), the +// picture will be internally converted to ARGB (just for the measurement). +// Warning: this function is rather CPU-intensive. +WEBP_EXTERN int WebPPictureDistortion( + const WebPPicture* src, const WebPPicture* ref, + int metric_type, // 0 = PSNR, 1 = SSIM, 2 = LSIM + float result[5]); + +// self-crops a picture to the rectangle defined by top/left/width/height. +// Returns false in case of memory allocation error, or if the rectangle is +// outside of the source picture. +// The rectangle for the view is defined by the top-left corner pixel +// coordinates (left, top) as well as its width and height. This rectangle +// must be fully be comprised inside the 'src' source picture. If the source +// picture uses the YUV420 colorspace, the top and left coordinates will be +// snapped to even values. +WEBP_EXTERN int WebPPictureCrop(WebPPicture* picture, + int left, int top, int width, int height); + +// Extracts a view from 'src' picture into 'dst'. The rectangle for the view +// is defined by the top-left corner pixel coordinates (left, top) as well +// as its width and height. This rectangle must be fully be comprised inside +// the 'src' source picture. If the source picture uses the YUV420 colorspace, +// the top and left coordinates will be snapped to even values. +// Picture 'src' must out-live 'dst' picture. Self-extraction of view is allowed +// ('src' equal to 'dst') as a mean of fast-cropping (but note that doing so, +// the original dimension will be lost). Picture 'dst' need not be initialized +// with WebPPictureInit() if it is different from 'src', since its content will +// be overwritten. +// Returns false in case of invalid parameters. +WEBP_EXTERN int WebPPictureView(const WebPPicture* src, + int left, int top, int width, int height, + WebPPicture* dst); + +// Returns true if the 'picture' is actually a view and therefore does +// not own the memory for pixels. +WEBP_EXTERN int WebPPictureIsView(const WebPPicture* picture); + +// Rescale a picture to new dimension width x height. +// If either 'width' or 'height' (but not both) is 0 the corresponding +// dimension will be calculated preserving the aspect ratio. +// No gamma correction is applied. +// Returns false in case of error (invalid parameter or insufficient memory). +WEBP_EXTERN int WebPPictureRescale(WebPPicture* picture, int width, int height); + +// Colorspace conversion function to import RGB samples. +// Previous buffer will be free'd, if any. +// *rgb buffer should have a size of at least height * rgb_stride. +// Returns false in case of memory error. +WEBP_EXTERN int WebPPictureImportRGB( + WebPPicture* picture, const uint8_t* rgb, int rgb_stride); +// Same, but for RGBA buffer. +WEBP_EXTERN int WebPPictureImportRGBA( + WebPPicture* picture, const uint8_t* rgba, int rgba_stride); +// Same, but for RGBA buffer. Imports the RGB direct from the 32-bit format +// input buffer ignoring the alpha channel. Avoids needing to copy the data +// to a temporary 24-bit RGB buffer to import the RGB only. +WEBP_EXTERN int WebPPictureImportRGBX( + WebPPicture* picture, const uint8_t* rgbx, int rgbx_stride); + +// Variants of the above, but taking BGR(A|X) input. +WEBP_EXTERN int WebPPictureImportBGR( + WebPPicture* picture, const uint8_t* bgr, int bgr_stride); +WEBP_EXTERN int WebPPictureImportBGRA( + WebPPicture* picture, const uint8_t* bgra, int bgra_stride); +WEBP_EXTERN int WebPPictureImportBGRX( + WebPPicture* picture, const uint8_t* bgrx, int bgrx_stride); + +// Converts picture->argb data to the YUV420A format. The 'colorspace' +// parameter is deprecated and should be equal to WEBP_YUV420. +// Upon return, picture->use_argb is set to false. The presence of real +// non-opaque transparent values is detected, and 'colorspace' will be +// adjusted accordingly. Note that this method is lossy. +// Returns false in case of error. +WEBP_EXTERN int WebPPictureARGBToYUVA(WebPPicture* picture, + WebPEncCSP /*colorspace = WEBP_YUV420*/); + +// Same as WebPPictureARGBToYUVA(), but the conversion is done using +// pseudo-random dithering with a strength 'dithering' between +// 0.0 (no dithering) and 1.0 (maximum dithering). This is useful +// for photographic picture. +WEBP_EXTERN int WebPPictureARGBToYUVADithered( + WebPPicture* picture, WebPEncCSP colorspace, float dithering); + +// Performs 'sharp' RGBA->YUVA420 downsampling and colorspace conversion. +// Downsampling is handled with extra care in case of color clipping. This +// method is roughly 2x slower than WebPPictureARGBToYUVA() but produces better +// and sharper YUV representation. +// Returns false in case of error. +WEBP_EXTERN int WebPPictureSharpARGBToYUVA(WebPPicture* picture); +// kept for backward compatibility: +WEBP_EXTERN int WebPPictureSmartARGBToYUVA(WebPPicture* picture); + +// Converts picture->yuv to picture->argb and sets picture->use_argb to true. +// The input format must be YUV_420 or YUV_420A. The conversion from YUV420 to +// ARGB incurs a small loss too. +// Note that the use of this colorspace is discouraged if one has access to the +// raw ARGB samples, since using YUV420 is comparatively lossy. +// Returns false in case of error. +WEBP_EXTERN int WebPPictureYUVAToARGB(WebPPicture* picture); + +// Helper function: given a width x height plane of RGBA or YUV(A) samples +// clean-up or smoothen the YUV or RGB samples under fully transparent area, +// to help compressibility (no guarantee, though). +WEBP_EXTERN void WebPCleanupTransparentArea(WebPPicture* picture); + +// Scan the picture 'picture' for the presence of non fully opaque alpha values. +// Returns true in such case. Otherwise returns false (indicating that the +// alpha plane can be ignored altogether e.g.). +WEBP_EXTERN int WebPPictureHasTransparency(const WebPPicture* picture); + +// Remove the transparency information (if present) by blending the color with +// the background color 'background_rgb' (specified as 24bit RGB triplet). +// After this call, all alpha values are reset to 0xff. +WEBP_EXTERN void WebPBlendAlpha(WebPPicture* picture, uint32_t background_rgb); + +//------------------------------------------------------------------------------ +// Main call + +// Main encoding call, after config and picture have been initialized. +// 'picture' must be less than 16384x16384 in dimension (cf WEBP_MAX_DIMENSION), +// and the 'config' object must be a valid one. +// Returns false in case of error, true otherwise. +// In case of error, picture->error_code is updated accordingly. +// 'picture' can hold the source samples in both YUV(A) or ARGB input, depending +// on the value of 'picture->use_argb'. It is highly recommended to use +// the former for lossy encoding, and the latter for lossless encoding +// (when config.lossless is true). Automatic conversion from one format to +// another is provided but they both incur some loss. +WEBP_EXTERN int WebPEncode(const WebPConfig* config, WebPPicture* picture); + +//------------------------------------------------------------------------------ + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_WEBP_ENCODE_H_ diff --git a/ProductApp/Pods/libwebp/src/webp/format_constants.h b/ProductApp/Pods/libwebp/src/webp/format_constants.h new file mode 100644 index 0000000..999035c --- /dev/null +++ b/ProductApp/Pods/libwebp/src/webp/format_constants.h @@ -0,0 +1,87 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Internal header for constants related to WebP file format. +// +// Author: Urvang (urvang@google.com) + +#ifndef WEBP_WEBP_FORMAT_CONSTANTS_H_ +#define WEBP_WEBP_FORMAT_CONSTANTS_H_ + +// Create fourcc of the chunk from the chunk tag characters. +#define MKFOURCC(a, b, c, d) ((a) | (b) << 8 | (c) << 16 | (uint32_t)(d) << 24) + +// VP8 related constants. +#define VP8_SIGNATURE 0x9d012a // Signature in VP8 data. +#define VP8_MAX_PARTITION0_SIZE (1 << 19) // max size of mode partition +#define VP8_MAX_PARTITION_SIZE (1 << 24) // max size for token partition +#define VP8_FRAME_HEADER_SIZE 10 // Size of the frame header within VP8 data. + +// VP8L related constants. +#define VP8L_SIGNATURE_SIZE 1 // VP8L signature size. +#define VP8L_MAGIC_BYTE 0x2f // VP8L signature byte. +#define VP8L_IMAGE_SIZE_BITS 14 // Number of bits used to store + // width and height. +#define VP8L_VERSION_BITS 3 // 3 bits reserved for version. +#define VP8L_VERSION 0 // version 0 +#define VP8L_FRAME_HEADER_SIZE 5 // Size of the VP8L frame header. + +#define MAX_PALETTE_SIZE 256 +#define MAX_CACHE_BITS 11 +#define HUFFMAN_CODES_PER_META_CODE 5 +#define ARGB_BLACK 0xff000000 + +#define DEFAULT_CODE_LENGTH 8 +#define MAX_ALLOWED_CODE_LENGTH 15 + +#define NUM_LITERAL_CODES 256 +#define NUM_LENGTH_CODES 24 +#define NUM_DISTANCE_CODES 40 +#define CODE_LENGTH_CODES 19 + +#define MIN_HUFFMAN_BITS 2 // min number of Huffman bits +#define MAX_HUFFMAN_BITS 9 // max number of Huffman bits + +#define TRANSFORM_PRESENT 1 // The bit to be written when next data + // to be read is a transform. +#define NUM_TRANSFORMS 4 // Maximum number of allowed transform + // in a bitstream. +typedef enum { + PREDICTOR_TRANSFORM = 0, + CROSS_COLOR_TRANSFORM = 1, + SUBTRACT_GREEN_TRANSFORM = 2, + COLOR_INDEXING_TRANSFORM = 3 +} VP8LImageTransformType; + +// Alpha related constants. +#define ALPHA_HEADER_LEN 1 +#define ALPHA_NO_COMPRESSION 0 +#define ALPHA_LOSSLESS_COMPRESSION 1 +#define ALPHA_PREPROCESSED_LEVELS 1 + +// Mux related constants. +#define TAG_SIZE 4 // Size of a chunk tag (e.g. "VP8L"). +#define CHUNK_SIZE_BYTES 4 // Size needed to store chunk's size. +#define CHUNK_HEADER_SIZE 8 // Size of a chunk header. +#define RIFF_HEADER_SIZE 12 // Size of the RIFF header ("RIFFnnnnWEBP"). +#define ANMF_CHUNK_SIZE 16 // Size of an ANMF chunk. +#define ANIM_CHUNK_SIZE 6 // Size of an ANIM chunk. +#define VP8X_CHUNK_SIZE 10 // Size of a VP8X chunk. + +#define MAX_CANVAS_SIZE (1 << 24) // 24-bit max for VP8X width/height. +#define MAX_IMAGE_AREA (1ULL << 32) // 32-bit max for width x height. +#define MAX_LOOP_COUNT (1 << 16) // maximum value for loop-count +#define MAX_DURATION (1 << 24) // maximum duration +#define MAX_POSITION_OFFSET (1 << 24) // maximum frame x/y offset + +// Maximum chunk payload is such that adding the header and padding won't +// overflow a uint32_t. +#define MAX_CHUNK_PAYLOAD (~0U - CHUNK_HEADER_SIZE - 1) + +#endif // WEBP_WEBP_FORMAT_CONSTANTS_H_ diff --git a/ProductApp/Pods/libwebp/src/webp/mux.h b/ProductApp/Pods/libwebp/src/webp/mux.h new file mode 100644 index 0000000..7d27489 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/webp/mux.h @@ -0,0 +1,530 @@ +// Copyright 2011 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// RIFF container manipulation and encoding for WebP images. +// +// Authors: Urvang (urvang@google.com) +// Vikas (vikasa@google.com) + +#ifndef WEBP_WEBP_MUX_H_ +#define WEBP_WEBP_MUX_H_ + +#include "./mux_types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define WEBP_MUX_ABI_VERSION 0x0108 // MAJOR(8b) + MINOR(8b) + +//------------------------------------------------------------------------------ +// Mux API +// +// This API allows manipulation of WebP container images containing features +// like color profile, metadata, animation. +// +// Code Example#1: Create a WebPMux object with image data, color profile and +// XMP metadata. +/* + int copy_data = 0; + WebPMux* mux = WebPMuxNew(); + // ... (Prepare image data). + WebPMuxSetImage(mux, &image, copy_data); + // ... (Prepare ICCP color profile data). + WebPMuxSetChunk(mux, "ICCP", &icc_profile, copy_data); + // ... (Prepare XMP metadata). + WebPMuxSetChunk(mux, "XMP ", &xmp, copy_data); + // Get data from mux in WebP RIFF format. + WebPMuxAssemble(mux, &output_data); + WebPMuxDelete(mux); + // ... (Consume output_data; e.g. write output_data.bytes to file). + WebPDataClear(&output_data); +*/ + +// Code Example#2: Get image and color profile data from a WebP file. +/* + int copy_data = 0; + // ... (Read data from file). + WebPMux* mux = WebPMuxCreate(&data, copy_data); + WebPMuxGetFrame(mux, 1, &image); + // ... (Consume image; e.g. call WebPDecode() to decode the data). + WebPMuxGetChunk(mux, "ICCP", &icc_profile); + // ... (Consume icc_data). + WebPMuxDelete(mux); + WebPFree(data); +*/ + +// Note: forward declaring enumerations is not allowed in (strict) C and C++, +// the types are left here for reference. +// typedef enum WebPMuxError WebPMuxError; +// typedef enum WebPChunkId WebPChunkId; +typedef struct WebPMux WebPMux; // main opaque object. +typedef struct WebPMuxFrameInfo WebPMuxFrameInfo; +typedef struct WebPMuxAnimParams WebPMuxAnimParams; +typedef struct WebPAnimEncoderOptions WebPAnimEncoderOptions; + +// Error codes +typedef enum WebPMuxError { + WEBP_MUX_OK = 1, + WEBP_MUX_NOT_FOUND = 0, + WEBP_MUX_INVALID_ARGUMENT = -1, + WEBP_MUX_BAD_DATA = -2, + WEBP_MUX_MEMORY_ERROR = -3, + WEBP_MUX_NOT_ENOUGH_DATA = -4 +} WebPMuxError; + +// IDs for different types of chunks. +typedef enum WebPChunkId { + WEBP_CHUNK_VP8X, // VP8X + WEBP_CHUNK_ICCP, // ICCP + WEBP_CHUNK_ANIM, // ANIM + WEBP_CHUNK_ANMF, // ANMF + WEBP_CHUNK_DEPRECATED, // (deprecated from FRGM) + WEBP_CHUNK_ALPHA, // ALPH + WEBP_CHUNK_IMAGE, // VP8/VP8L + WEBP_CHUNK_EXIF, // EXIF + WEBP_CHUNK_XMP, // XMP + WEBP_CHUNK_UNKNOWN, // Other chunks. + WEBP_CHUNK_NIL +} WebPChunkId; + +//------------------------------------------------------------------------------ + +// Returns the version number of the mux library, packed in hexadecimal using +// 8bits for each of major/minor/revision. E.g: v2.5.7 is 0x020507. +WEBP_EXTERN int WebPGetMuxVersion(void); + +//------------------------------------------------------------------------------ +// Life of a Mux object + +// Internal, version-checked, entry point +WEBP_EXTERN WebPMux* WebPNewInternal(int); + +// Creates an empty mux object. +// Returns: +// A pointer to the newly created empty mux object. +// Or NULL in case of memory error. +static WEBP_INLINE WebPMux* WebPMuxNew(void) { + return WebPNewInternal(WEBP_MUX_ABI_VERSION); +} + +// Deletes the mux object. +// Parameters: +// mux - (in/out) object to be deleted +WEBP_EXTERN void WebPMuxDelete(WebPMux* mux); + +//------------------------------------------------------------------------------ +// Mux creation. + +// Internal, version-checked, entry point +WEBP_EXTERN WebPMux* WebPMuxCreateInternal(const WebPData*, int, int); + +// Creates a mux object from raw data given in WebP RIFF format. +// Parameters: +// bitstream - (in) the bitstream data in WebP RIFF format +// copy_data - (in) value 1 indicates given data WILL be copied to the mux +// object and value 0 indicates data will NOT be copied. +// Returns: +// A pointer to the mux object created from given data - on success. +// NULL - In case of invalid data or memory error. +static WEBP_INLINE WebPMux* WebPMuxCreate(const WebPData* bitstream, + int copy_data) { + return WebPMuxCreateInternal(bitstream, copy_data, WEBP_MUX_ABI_VERSION); +} + +//------------------------------------------------------------------------------ +// Non-image chunks. + +// Note: Only non-image related chunks should be managed through chunk APIs. +// (Image related chunks are: "ANMF", "VP8 ", "VP8L" and "ALPH"). +// To add, get and delete images, use WebPMuxSetImage(), WebPMuxPushFrame(), +// WebPMuxGetFrame() and WebPMuxDeleteFrame(). + +// Adds a chunk with id 'fourcc' and data 'chunk_data' in the mux object. +// Any existing chunk(s) with the same id will be removed. +// Parameters: +// mux - (in/out) object to which the chunk is to be added +// fourcc - (in) a character array containing the fourcc of the given chunk; +// e.g., "ICCP", "XMP ", "EXIF" etc. +// chunk_data - (in) the chunk data to be added +// copy_data - (in) value 1 indicates given data WILL be copied to the mux +// object and value 0 indicates data will NOT be copied. +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux, fourcc or chunk_data is NULL +// or if fourcc corresponds to an image chunk. +// WEBP_MUX_MEMORY_ERROR - on memory allocation error. +// WEBP_MUX_OK - on success. +WEBP_EXTERN WebPMuxError WebPMuxSetChunk( + WebPMux* mux, const char fourcc[4], const WebPData* chunk_data, + int copy_data); + +// Gets a reference to the data of the chunk with id 'fourcc' in the mux object. +// The caller should NOT free the returned data. +// Parameters: +// mux - (in) object from which the chunk data is to be fetched +// fourcc - (in) a character array containing the fourcc of the chunk; +// e.g., "ICCP", "XMP ", "EXIF" etc. +// chunk_data - (out) returned chunk data +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux, fourcc or chunk_data is NULL +// or if fourcc corresponds to an image chunk. +// WEBP_MUX_NOT_FOUND - If mux does not contain a chunk with the given id. +// WEBP_MUX_OK - on success. +WEBP_EXTERN WebPMuxError WebPMuxGetChunk( + const WebPMux* mux, const char fourcc[4], WebPData* chunk_data); + +// Deletes the chunk with the given 'fourcc' from the mux object. +// Parameters: +// mux - (in/out) object from which the chunk is to be deleted +// fourcc - (in) a character array containing the fourcc of the chunk; +// e.g., "ICCP", "XMP ", "EXIF" etc. +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux or fourcc is NULL +// or if fourcc corresponds to an image chunk. +// WEBP_MUX_NOT_FOUND - If mux does not contain a chunk with the given fourcc. +// WEBP_MUX_OK - on success. +WEBP_EXTERN WebPMuxError WebPMuxDeleteChunk( + WebPMux* mux, const char fourcc[4]); + +//------------------------------------------------------------------------------ +// Images. + +// Encapsulates data about a single frame. +struct WebPMuxFrameInfo { + WebPData bitstream; // image data: can be a raw VP8/VP8L bitstream + // or a single-image WebP file. + int x_offset; // x-offset of the frame. + int y_offset; // y-offset of the frame. + int duration; // duration of the frame (in milliseconds). + + WebPChunkId id; // frame type: should be one of WEBP_CHUNK_ANMF + // or WEBP_CHUNK_IMAGE + WebPMuxAnimDispose dispose_method; // Disposal method for the frame. + WebPMuxAnimBlend blend_method; // Blend operation for the frame. + uint32_t pad[1]; // padding for later use +}; + +// Sets the (non-animated) image in the mux object. +// Note: Any existing images (including frames) will be removed. +// Parameters: +// mux - (in/out) object in which the image is to be set +// bitstream - (in) can be a raw VP8/VP8L bitstream or a single-image +// WebP file (non-animated) +// copy_data - (in) value 1 indicates given data WILL be copied to the mux +// object and value 0 indicates data will NOT be copied. +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux is NULL or bitstream is NULL. +// WEBP_MUX_MEMORY_ERROR - on memory allocation error. +// WEBP_MUX_OK - on success. +WEBP_EXTERN WebPMuxError WebPMuxSetImage( + WebPMux* mux, const WebPData* bitstream, int copy_data); + +// Adds a frame at the end of the mux object. +// Notes: (1) frame.id should be WEBP_CHUNK_ANMF +// (2) For setting a non-animated image, use WebPMuxSetImage() instead. +// (3) Type of frame being pushed must be same as the frames in mux. +// (4) As WebP only supports even offsets, any odd offset will be snapped +// to an even location using: offset &= ~1 +// Parameters: +// mux - (in/out) object to which the frame is to be added +// frame - (in) frame data. +// copy_data - (in) value 1 indicates given data WILL be copied to the mux +// object and value 0 indicates data will NOT be copied. +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux or frame is NULL +// or if content of 'frame' is invalid. +// WEBP_MUX_MEMORY_ERROR - on memory allocation error. +// WEBP_MUX_OK - on success. +WEBP_EXTERN WebPMuxError WebPMuxPushFrame( + WebPMux* mux, const WebPMuxFrameInfo* frame, int copy_data); + +// Gets the nth frame from the mux object. +// The content of 'frame->bitstream' is allocated using WebPMalloc(), and NOT +// owned by the 'mux' object. It MUST be deallocated by the caller by calling +// WebPDataClear(). +// nth=0 has a special meaning - last position. +// Parameters: +// mux - (in) object from which the info is to be fetched +// nth - (in) index of the frame in the mux object +// frame - (out) data of the returned frame +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux or frame is NULL. +// WEBP_MUX_NOT_FOUND - if there are less than nth frames in the mux object. +// WEBP_MUX_BAD_DATA - if nth frame chunk in mux is invalid. +// WEBP_MUX_MEMORY_ERROR - on memory allocation error. +// WEBP_MUX_OK - on success. +WEBP_EXTERN WebPMuxError WebPMuxGetFrame( + const WebPMux* mux, uint32_t nth, WebPMuxFrameInfo* frame); + +// Deletes a frame from the mux object. +// nth=0 has a special meaning - last position. +// Parameters: +// mux - (in/out) object from which a frame is to be deleted +// nth - (in) The position from which the frame is to be deleted +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux is NULL. +// WEBP_MUX_NOT_FOUND - If there are less than nth frames in the mux object +// before deletion. +// WEBP_MUX_OK - on success. +WEBP_EXTERN WebPMuxError WebPMuxDeleteFrame(WebPMux* mux, uint32_t nth); + +//------------------------------------------------------------------------------ +// Animation. + +// Animation parameters. +struct WebPMuxAnimParams { + uint32_t bgcolor; // Background color of the canvas stored (in MSB order) as: + // Bits 00 to 07: Alpha. + // Bits 08 to 15: Red. + // Bits 16 to 23: Green. + // Bits 24 to 31: Blue. + int loop_count; // Number of times to repeat the animation [0 = infinite]. +}; + +// Sets the animation parameters in the mux object. Any existing ANIM chunks +// will be removed. +// Parameters: +// mux - (in/out) object in which ANIM chunk is to be set/added +// params - (in) animation parameters. +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux or params is NULL. +// WEBP_MUX_MEMORY_ERROR - on memory allocation error. +// WEBP_MUX_OK - on success. +WEBP_EXTERN WebPMuxError WebPMuxSetAnimationParams( + WebPMux* mux, const WebPMuxAnimParams* params); + +// Gets the animation parameters from the mux object. +// Parameters: +// mux - (in) object from which the animation parameters to be fetched +// params - (out) animation parameters extracted from the ANIM chunk +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux or params is NULL. +// WEBP_MUX_NOT_FOUND - if ANIM chunk is not present in mux object. +// WEBP_MUX_OK - on success. +WEBP_EXTERN WebPMuxError WebPMuxGetAnimationParams( + const WebPMux* mux, WebPMuxAnimParams* params); + +//------------------------------------------------------------------------------ +// Misc Utilities. + +// Sets the canvas size for the mux object. The width and height can be +// specified explicitly or left as zero (0, 0). +// * When width and height are specified explicitly, then this frame bound is +// enforced during subsequent calls to WebPMuxAssemble() and an error is +// reported if any animated frame does not completely fit within the canvas. +// * When unspecified (0, 0), the constructed canvas will get the frame bounds +// from the bounding-box over all frames after calling WebPMuxAssemble(). +// Parameters: +// mux - (in) object to which the canvas size is to be set +// width - (in) canvas width +// height - (in) canvas height +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux is NULL; or +// width or height are invalid or out of bounds +// WEBP_MUX_OK - on success. +WEBP_EXTERN WebPMuxError WebPMuxSetCanvasSize(WebPMux* mux, + int width, int height); + +// Gets the canvas size from the mux object. +// Note: This method assumes that the VP8X chunk, if present, is up-to-date. +// That is, the mux object hasn't been modified since the last call to +// WebPMuxAssemble() or WebPMuxCreate(). +// Parameters: +// mux - (in) object from which the canvas size is to be fetched +// width - (out) canvas width +// height - (out) canvas height +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux, width or height is NULL. +// WEBP_MUX_BAD_DATA - if VP8X/VP8/VP8L chunk or canvas size is invalid. +// WEBP_MUX_OK - on success. +WEBP_EXTERN WebPMuxError WebPMuxGetCanvasSize(const WebPMux* mux, + int* width, int* height); + +// Gets the feature flags from the mux object. +// Note: This method assumes that the VP8X chunk, if present, is up-to-date. +// That is, the mux object hasn't been modified since the last call to +// WebPMuxAssemble() or WebPMuxCreate(). +// Parameters: +// mux - (in) object from which the features are to be fetched +// flags - (out) the flags specifying which features are present in the +// mux object. This will be an OR of various flag values. +// Enum 'WebPFeatureFlags' can be used to test individual flag values. +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux or flags is NULL. +// WEBP_MUX_BAD_DATA - if VP8X/VP8/VP8L chunk or canvas size is invalid. +// WEBP_MUX_OK - on success. +WEBP_EXTERN WebPMuxError WebPMuxGetFeatures(const WebPMux* mux, + uint32_t* flags); + +// Gets number of chunks with the given 'id' in the mux object. +// Parameters: +// mux - (in) object from which the info is to be fetched +// id - (in) chunk id specifying the type of chunk +// num_elements - (out) number of chunks with the given chunk id +// Returns: +// WEBP_MUX_INVALID_ARGUMENT - if mux, or num_elements is NULL. +// WEBP_MUX_OK - on success. +WEBP_EXTERN WebPMuxError WebPMuxNumChunks(const WebPMux* mux, + WebPChunkId id, int* num_elements); + +// Assembles all chunks in WebP RIFF format and returns in 'assembled_data'. +// This function also validates the mux object. +// Note: The content of 'assembled_data' will be ignored and overwritten. +// Also, the content of 'assembled_data' is allocated using WebPMalloc(), and +// NOT owned by the 'mux' object. It MUST be deallocated by the caller by +// calling WebPDataClear(). It's always safe to call WebPDataClear() upon +// return, even in case of error. +// Parameters: +// mux - (in/out) object whose chunks are to be assembled +// assembled_data - (out) assembled WebP data +// Returns: +// WEBP_MUX_BAD_DATA - if mux object is invalid. +// WEBP_MUX_INVALID_ARGUMENT - if mux or assembled_data is NULL. +// WEBP_MUX_MEMORY_ERROR - on memory allocation error. +// WEBP_MUX_OK - on success. +WEBP_EXTERN WebPMuxError WebPMuxAssemble(WebPMux* mux, + WebPData* assembled_data); + +//------------------------------------------------------------------------------ +// WebPAnimEncoder API +// +// This API allows encoding (possibly) animated WebP images. +// +// Code Example: +/* + WebPAnimEncoderOptions enc_options; + WebPAnimEncoderOptionsInit(&enc_options); + // Tune 'enc_options' as needed. + WebPAnimEncoder* enc = WebPAnimEncoderNew(width, height, &enc_options); + while() { + WebPConfig config; + WebPConfigInit(&config); + // Tune 'config' as needed. + WebPAnimEncoderAdd(enc, frame, timestamp_ms, &config); + } + WebPAnimEncoderAdd(enc, NULL, timestamp_ms, NULL); + WebPAnimEncoderAssemble(enc, webp_data); + WebPAnimEncoderDelete(enc); + // Write the 'webp_data' to a file, or re-mux it further. +*/ + +typedef struct WebPAnimEncoder WebPAnimEncoder; // Main opaque object. + +// Forward declarations. Defined in encode.h. +struct WebPPicture; +struct WebPConfig; + +// Global options. +struct WebPAnimEncoderOptions { + WebPMuxAnimParams anim_params; // Animation parameters. + int minimize_size; // If true, minimize the output size (slow). Implicitly + // disables key-frame insertion. + int kmin; + int kmax; // Minimum and maximum distance between consecutive key + // frames in the output. The library may insert some key + // frames as needed to satisfy this criteria. + // Note that these conditions should hold: kmax > kmin + // and kmin >= kmax / 2 + 1. Also, if kmax <= 0, then + // key-frame insertion is disabled; and if kmax == 1, + // then all frames will be key-frames (kmin value does + // not matter for these special cases). + int allow_mixed; // If true, use mixed compression mode; may choose + // either lossy and lossless for each frame. + int verbose; // If true, print info and warning messages to stderr. + + uint32_t padding[4]; // Padding for later use. +}; + +// Internal, version-checked, entry point. +WEBP_EXTERN int WebPAnimEncoderOptionsInitInternal( + WebPAnimEncoderOptions*, int); + +// Should always be called, to initialize a fresh WebPAnimEncoderOptions +// structure before modification. Returns false in case of version mismatch. +// WebPAnimEncoderOptionsInit() must have succeeded before using the +// 'enc_options' object. +static WEBP_INLINE int WebPAnimEncoderOptionsInit( + WebPAnimEncoderOptions* enc_options) { + return WebPAnimEncoderOptionsInitInternal(enc_options, WEBP_MUX_ABI_VERSION); +} + +// Internal, version-checked, entry point. +WEBP_EXTERN WebPAnimEncoder* WebPAnimEncoderNewInternal( + int, int, const WebPAnimEncoderOptions*, int); + +// Creates and initializes a WebPAnimEncoder object. +// Parameters: +// width/height - (in) canvas width and height of the animation. +// enc_options - (in) encoding options; can be passed NULL to pick +// reasonable defaults. +// Returns: +// A pointer to the newly created WebPAnimEncoder object. +// Or NULL in case of memory error. +static WEBP_INLINE WebPAnimEncoder* WebPAnimEncoderNew( + int width, int height, const WebPAnimEncoderOptions* enc_options) { + return WebPAnimEncoderNewInternal(width, height, enc_options, + WEBP_MUX_ABI_VERSION); +} + +// Optimize the given frame for WebP, encode it and add it to the +// WebPAnimEncoder object. +// The last call to 'WebPAnimEncoderAdd' should be with frame = NULL, which +// indicates that no more frames are to be added. This call is also used to +// determine the duration of the last frame. +// Parameters: +// enc - (in/out) object to which the frame is to be added. +// frame - (in/out) frame data in ARGB or YUV(A) format. If it is in YUV(A) +// format, it will be converted to ARGB, which incurs a small loss. +// timestamp_ms - (in) timestamp of this frame in milliseconds. +// Duration of a frame would be calculated as +// "timestamp of next frame - timestamp of this frame". +// Hence, timestamps should be in non-decreasing order. +// config - (in) encoding options; can be passed NULL to pick +// reasonable defaults. +// Returns: +// On error, returns false and frame->error_code is set appropriately. +// Otherwise, returns true. +WEBP_EXTERN int WebPAnimEncoderAdd( + WebPAnimEncoder* enc, struct WebPPicture* frame, int timestamp_ms, + const struct WebPConfig* config); + +// Assemble all frames added so far into a WebP bitstream. +// This call should be preceded by a call to 'WebPAnimEncoderAdd' with +// frame = NULL; if not, the duration of the last frame will be internally +// estimated. +// Parameters: +// enc - (in/out) object from which the frames are to be assembled. +// webp_data - (out) generated WebP bitstream. +// Returns: +// True on success. +WEBP_EXTERN int WebPAnimEncoderAssemble(WebPAnimEncoder* enc, + WebPData* webp_data); + +// Get error string corresponding to the most recent call using 'enc'. The +// returned string is owned by 'enc' and is valid only until the next call to +// WebPAnimEncoderAdd() or WebPAnimEncoderAssemble() or WebPAnimEncoderDelete(). +// Parameters: +// enc - (in/out) object from which the error string is to be fetched. +// Returns: +// NULL if 'enc' is NULL. Otherwise, returns the error string if the last call +// to 'enc' had an error, or an empty string if the last call was a success. +WEBP_EXTERN const char* WebPAnimEncoderGetError(WebPAnimEncoder* enc); + +// Deletes the WebPAnimEncoder object. +// Parameters: +// enc - (in/out) object to be deleted +WEBP_EXTERN void WebPAnimEncoderDelete(WebPAnimEncoder* enc); + +//------------------------------------------------------------------------------ + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_WEBP_MUX_H_ diff --git a/ProductApp/Pods/libwebp/src/webp/mux_types.h b/ProductApp/Pods/libwebp/src/webp/mux_types.h new file mode 100644 index 0000000..2fe8195 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/webp/mux_types.h @@ -0,0 +1,98 @@ +// Copyright 2012 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Data-types common to the mux and demux libraries. +// +// Author: Urvang (urvang@google.com) + +#ifndef WEBP_WEBP_MUX_TYPES_H_ +#define WEBP_WEBP_MUX_TYPES_H_ + +#include // memset() +#include "./types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// Note: forward declaring enumerations is not allowed in (strict) C and C++, +// the types are left here for reference. +// typedef enum WebPFeatureFlags WebPFeatureFlags; +// typedef enum WebPMuxAnimDispose WebPMuxAnimDispose; +// typedef enum WebPMuxAnimBlend WebPMuxAnimBlend; +typedef struct WebPData WebPData; + +// VP8X Feature Flags. +typedef enum WebPFeatureFlags { + ANIMATION_FLAG = 0x00000002, + XMP_FLAG = 0x00000004, + EXIF_FLAG = 0x00000008, + ALPHA_FLAG = 0x00000010, + ICCP_FLAG = 0x00000020, + + ALL_VALID_FLAGS = 0x0000003e +} WebPFeatureFlags; + +// Dispose method (animation only). Indicates how the area used by the current +// frame is to be treated before rendering the next frame on the canvas. +typedef enum WebPMuxAnimDispose { + WEBP_MUX_DISPOSE_NONE, // Do not dispose. + WEBP_MUX_DISPOSE_BACKGROUND // Dispose to background color. +} WebPMuxAnimDispose; + +// Blend operation (animation only). Indicates how transparent pixels of the +// current frame are blended with those of the previous canvas. +typedef enum WebPMuxAnimBlend { + WEBP_MUX_BLEND, // Blend. + WEBP_MUX_NO_BLEND // Do not blend. +} WebPMuxAnimBlend; + +// Data type used to describe 'raw' data, e.g., chunk data +// (ICC profile, metadata) and WebP compressed image data. +// 'bytes' memory must be allocated using WebPMalloc() and such. +struct WebPData { + const uint8_t* bytes; + size_t size; +}; + +// Initializes the contents of the 'webp_data' object with default values. +static WEBP_INLINE void WebPDataInit(WebPData* webp_data) { + if (webp_data != NULL) { + memset(webp_data, 0, sizeof(*webp_data)); + } +} + +// Clears the contents of the 'webp_data' object by calling WebPFree(). +// Does not deallocate the object itself. +static WEBP_INLINE void WebPDataClear(WebPData* webp_data) { + if (webp_data != NULL) { + WebPFree((void*)webp_data->bytes); + WebPDataInit(webp_data); + } +} + +// Allocates necessary storage for 'dst' and copies the contents of 'src'. +// Returns true on success. +static WEBP_INLINE int WebPDataCopy(const WebPData* src, WebPData* dst) { + if (src == NULL || dst == NULL) return 0; + WebPDataInit(dst); + if (src->bytes != NULL && src->size != 0) { + dst->bytes = (uint8_t*)WebPMalloc(src->size); + if (dst->bytes == NULL) return 0; + memcpy((void*)dst->bytes, src->bytes, src->size); + dst->size = src->size; + } + return 1; +} + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_WEBP_MUX_TYPES_H_ diff --git a/ProductApp/Pods/libwebp/src/webp/types.h b/ProductApp/Pods/libwebp/src/webp/types.h new file mode 100644 index 0000000..95ef4ff --- /dev/null +++ b/ProductApp/Pods/libwebp/src/webp/types.h @@ -0,0 +1,72 @@ +// Copyright 2010 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Common types + memory wrappers +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_WEBP_TYPES_H_ +#define WEBP_WEBP_TYPES_H_ + +#include // for size_t + +#ifndef _MSC_VER +#include +#if defined(__cplusplus) || !defined(__STRICT_ANSI__) || \ + (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) +#define WEBP_INLINE inline +#else +#define WEBP_INLINE +#endif +#else +typedef signed char int8_t; +typedef unsigned char uint8_t; +typedef signed short int16_t; +typedef unsigned short uint16_t; +typedef signed int int32_t; +typedef unsigned int uint32_t; +typedef unsigned long long int uint64_t; +typedef long long int int64_t; +#define WEBP_INLINE __forceinline +#endif /* _MSC_VER */ + +#ifndef WEBP_EXTERN +// This explicitly marks library functions and allows for changing the +// signature for e.g., Windows DLL builds. +# if defined(__GNUC__) && __GNUC__ >= 4 +# define WEBP_EXTERN extern __attribute__ ((visibility ("default"))) +# else +# if defined(_MSC_VER) && defined(WEBP_DLL) +# define WEBP_EXTERN __declspec(dllexport) +# else +# define WEBP_EXTERN extern +# endif +# endif /* __GNUC__ >= 4 */ +#endif /* WEBP_EXTERN */ + +// Macro to check ABI compatibility (same major revision number) +#define WEBP_ABI_IS_INCOMPATIBLE(a, b) (((a) >> 8) != ((b) >> 8)) + +#ifdef __cplusplus +extern "C" { +#endif + +// Allocates 'size' bytes of memory. Returns NULL upon error. Memory +// must be deallocated by calling WebPFree(). This function is made available +// by the core 'libwebp' library. +WEBP_EXTERN void* WebPMalloc(size_t size); + +// Releases memory returned by the WebPDecode*() functions (from decode.h). +WEBP_EXTERN void WebPFree(void* ptr); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_WEBP_TYPES_H_ diff --git a/ProductApp/Pods/libwebp/src/webp/types.h.bak b/ProductApp/Pods/libwebp/src/webp/types.h.bak new file mode 100644 index 0000000..f255432 --- /dev/null +++ b/ProductApp/Pods/libwebp/src/webp/types.h.bak @@ -0,0 +1,72 @@ +// Copyright 2010 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Common types + memory wrappers +// +// Author: Skal (pascal.massimino@gmail.com) + +#ifndef WEBP_WEBP_TYPES_H_ +#define WEBP_WEBP_TYPES_H_ + +#include // for size_t + +#ifndef _MSC_VER +#include +#if defined(__cplusplus) || !defined(__STRICT_ANSI__) || \ + (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) +#define WEBP_INLINE inline +#else +#define WEBP_INLINE +#endif +#else +typedef signed char int8_t; +typedef unsigned char uint8_t; +typedef signed short int16_t; +typedef unsigned short uint16_t; +typedef signed int int32_t; +typedef unsigned int uint32_t; +typedef unsigned long long int uint64_t; +typedef long long int int64_t; +#define WEBP_INLINE __forceinline +#endif /* _MSC_VER */ + +#ifndef WEBP_EXTERN +// This explicitly marks library functions and allows for changing the +// signature for e.g., Windows DLL builds. +# if defined(__GNUC__) && __GNUC__ >= 4 +# define WEBP_EXTERN extern __attribute__ ((visibility ("default"))) +# else +# if defined(_MSC_VER) && defined(WEBP_DLL) +# define WEBP_EXTERN __declspec(dllexport) +# else +# define WEBP_EXTERN extern +# endif +# endif /* __GNUC__ >= 4 */ +#endif /* WEBP_EXTERN */ + +// Macro to check ABI compatibility (same major revision number) +#define WEBP_ABI_IS_INCOMPATIBLE(a, b) (((a) >> 8) != ((b) >> 8)) + +#ifdef __cplusplus +extern "C" { +#endif + +// Allocates 'size' bytes of memory. Returns NULL upon error. Memory +// must be deallocated by calling WebPFree(). This function is made available +// by the core 'libwebp' library. +WEBP_EXTERN void* WebPMalloc(size_t size); + +// Releases memory returned by the WebPDecode*() functions (from decode.h). +WEBP_EXTERN void WebPFree(void* ptr); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_WEBP_TYPES_H_ diff --git a/ProductApp/ProductApp.xcodeproj/project.pbxproj b/ProductApp/ProductApp.xcodeproj/project.pbxproj index 93ce039..67d5b18 100644 --- a/ProductApp/ProductApp.xcodeproj/project.pbxproj +++ b/ProductApp/ProductApp.xcodeproj/project.pbxproj @@ -307,6 +307,7 @@ CAB0F3642CAA8523003B0C39 /* XieZuoXiangQingView.m in Sources */ = {isa = PBXBuildFile; fileRef = CAB0F3632CAA8523003B0C39 /* XieZuoXiangQingView.m */; }; CAB0F3672CAA8694003B0C39 /* XieZuoXiangQingSiLuView.m in Sources */ = {isa = PBXBuildFile; fileRef = CAB0F3662CAA8694003B0C39 /* XieZuoXiangQingSiLuView.m */; }; CAB0F36A2CAA9255003B0C39 /* FenXiangWenZhangAlterView.m in Sources */ = {isa = PBXBuildFile; fileRef = CAB0F3692CAA9255003B0C39 /* FenXiangWenZhangAlterView.m */; }; + CAB8A66D2CEDC246009A927B /* UIImage+CamreImage.m in Sources */ = {isa = PBXBuildFile; fileRef = CAB8A66C2CEDC246009A927B /* UIImage+CamreImage.m */; }; CAB9AA822CEC23A800B75BD6 /* PingYuAlterView.m in Sources */ = {isa = PBXBuildFile; fileRef = CAB9AA812CEC23A800B75BD6 /* PingYuAlterView.m */; }; CAB9AA842CEC2D9600B75BD6 /* wushenyy.mp3 in Resources */ = {isa = PBXBuildFile; fileRef = CAB9AA832CEC2D9600B75BD6 /* wushenyy.mp3 */; }; CAB9AA882CEC3BB400B75BD6 /* PLPGSetListController.m in Sources */ = {isa = PBXBuildFile; fileRef = CAB9AA872CEC3BB400B75BD6 /* PLPGSetListController.m */; }; @@ -350,6 +351,7 @@ CABA14E72C9D76F8002CB3B1 /* StartKeTangXieZuoViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = CABA14E62C9D76F8002CB3B1 /* StartKeTangXieZuoViewController.m */; }; CABA14EB2C9D7AB2002CB3B1 /* StartKeTangXieZuoView.m in Sources */ = {isa = PBXBuildFile; fileRef = CABA14EA2C9D7AB2002CB3B1 /* StartKeTangXieZuoView.m */; }; CABA14ED2C9D7CE2002CB3B1 /* alimamashuheiti.ttf in Resources */ = {isa = PBXBuildFile; fileRef = CABA14EC2C9D7CE2002CB3B1 /* alimamashuheiti.ttf */; }; + CABC083E2CEEDF6D003FE507 /* CorrectConfigModel.m in Sources */ = {isa = PBXBuildFile; fileRef = CABC083D2CEEDF6D003FE507 /* CorrectConfigModel.m */; }; CABD8C752CBF61BB009A5E5E /* GongJuCreateSuperView.m in Sources */ = {isa = PBXBuildFile; fileRef = CABD8C742CBF61BB009A5E5E /* GongJuCreateSuperView.m */; }; CABD8C792CBF6AC4009A5E5E /* GongJuCreateResultViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = CABD8C782CBF6AC4009A5E5E /* GongJuCreateResultViewController.m */; }; CABD8C7D2CBF6B6D009A5E5E /* GongJuCreateResultView.m in Sources */ = {isa = PBXBuildFile; fileRef = CABD8C7C2CBF6B6D009A5E5E /* GongJuCreateResultView.m */; }; @@ -1130,6 +1132,8 @@ CAB0F3662CAA8694003B0C39 /* XieZuoXiangQingSiLuView.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = XieZuoXiangQingSiLuView.m; sourceTree = ""; }; CAB0F3682CAA9255003B0C39 /* FenXiangWenZhangAlterView.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = FenXiangWenZhangAlterView.h; sourceTree = ""; }; CAB0F3692CAA9255003B0C39 /* FenXiangWenZhangAlterView.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = FenXiangWenZhangAlterView.m; sourceTree = ""; }; + CAB8A66B2CEDC246009A927B /* UIImage+CamreImage.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "UIImage+CamreImage.h"; sourceTree = ""; }; + CAB8A66C2CEDC246009A927B /* UIImage+CamreImage.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = "UIImage+CamreImage.m"; sourceTree = ""; }; CAB9AA802CEC23A800B75BD6 /* PingYuAlterView.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = PingYuAlterView.h; sourceTree = ""; }; CAB9AA812CEC23A800B75BD6 /* PingYuAlterView.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = PingYuAlterView.m; sourceTree = ""; }; CAB9AA832CEC2D9600B75BD6 /* wushenyy.mp3 */ = {isa = PBXFileReference; lastKnownFileType = audio.mp3; path = wushenyy.mp3; sourceTree = ""; }; @@ -1211,6 +1215,8 @@ CABA14E92C9D7AB2002CB3B1 /* StartKeTangXieZuoView.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = StartKeTangXieZuoView.h; sourceTree = ""; }; CABA14EA2C9D7AB2002CB3B1 /* StartKeTangXieZuoView.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = StartKeTangXieZuoView.m; sourceTree = ""; }; CABA14EC2C9D7CE2002CB3B1 /* alimamashuheiti.ttf */ = {isa = PBXFileReference; lastKnownFileType = file; path = alimamashuheiti.ttf; sourceTree = ""; }; + CABC083C2CEEDF6D003FE507 /* CorrectConfigModel.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = CorrectConfigModel.h; sourceTree = ""; }; + CABC083D2CEEDF6D003FE507 /* CorrectConfigModel.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = CorrectConfigModel.m; sourceTree = ""; }; CABD8C732CBF61BB009A5E5E /* GongJuCreateSuperView.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GongJuCreateSuperView.h; sourceTree = ""; }; CABD8C742CBF61BB009A5E5E /* GongJuCreateSuperView.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = GongJuCreateSuperView.m; sourceTree = ""; }; CABD8C772CBF6AC4009A5E5E /* GongJuCreateResultViewController.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GongJuCreateResultViewController.h; sourceTree = ""; }; @@ -2101,6 +2107,8 @@ CA11ED632CA6851200209DFC /* CamreTiShiAlterView.m */, CA6D54722CCB3FC8001B530A /* CamreShiLiView.h */, CA6D54732CCB3FC8001B530A /* CamreShiLiView.m */, + CAB8A66B2CEDC246009A927B /* UIImage+CamreImage.h */, + CAB8A66C2CEDC246009A927B /* UIImage+CamreImage.m */, ); path = view; sourceTree = ""; @@ -3546,6 +3554,8 @@ CAAFA5EE2CD85A1500A58D23 /* PptProgressModel.m */, CAAFA5F32CD86E7C00A58D23 /* PptHestoryModel.h */, CAAFA5F42CD86E7C00A58D23 /* PptHestoryModel.m */, + CABC083C2CEEDF6D003FE507 /* CorrectConfigModel.h */, + CABC083D2CEEDF6D003FE507 /* CorrectConfigModel.m */, ); path = models; sourceTree = ""; @@ -5323,6 +5333,7 @@ CA8181AD2C9EB95700EE7E6E /* StartKTXZPGDetailZHView.m in Sources */, CA5D02E42CC0DD6B007B3BA5 /* ActivityCouponModel.m in Sources */, CA6B97162CBCBCC1000213F3 /* FanWenDetailViewController.m in Sources */, + CABC083E2CEEDF6D003FE507 /* CorrectConfigModel.m in Sources */, CABD8C8D2CBF91B0009A5E5E /* GongJuWenBenView.m in Sources */, CB489F802744A0BD00DA044A /* NSString+Base64.m in Sources */, CA2A38E42CEB45DA00156CD2 /* PiLiangXiuGaiLiShiViewController.m in Sources */, @@ -5342,6 +5353,7 @@ CB489F4C2744A0BD00DA044A /* AddressListUrlAlterView.m in Sources */, CABA14DD2C9D6E40002CB3B1 /* NetWorkManager.m in Sources */, CA5D02772CC09DA4007B3BA5 /* MyViewTableViewCell.m in Sources */, + CAB8A66D2CEDC246009A927B /* UIImage+CamreImage.m in Sources */, CA5D02B42CC0B397007B3BA5 /* ZhangHaoBangDingViewController.m in Sources */, CABD8CAF2CBFB3B3009A5E5E /* GongJuMinGanCiView.m in Sources */, CBD422BD28DAF34B00C32440 /* IndexSectionView.m in Sources */, @@ -5556,7 +5568,7 @@ ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor; CODE_SIGN_ENTITLEMENTS = ProductApp/ProductApp.entitlements; CODE_SIGN_STYLE = Automatic; - CURRENT_PROJECT_VERSION = 9; + CURRENT_PROJECT_VERSION = 1; DEVELOPMENT_TEAM = D5PBFE23SF; ENABLE_BITCODE = NO; FRAMEWORK_SEARCH_PATHS = ( @@ -5611,7 +5623,7 @@ "$(PROJECT_DIR)/ProductApp/Other/语音/arm/lib", "$(PROJECT_DIR)/ProductApp/BaseControl/Category/RSAEncrypt/lib", ); - MARKETING_VERSION = 2.3.0; + MARKETING_VERSION = 2.3.1; PRODUCT_BUNDLE_IDENTIFIER = com.batiao.aiwrite; PRODUCT_NAME = "$(TARGET_NAME)"; SWIFT_EMIT_LOC_STRINGS = YES; @@ -5627,7 +5639,7 @@ ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor; CODE_SIGN_ENTITLEMENTS = ProductApp/ProductApp.entitlements; CODE_SIGN_STYLE = Automatic; - CURRENT_PROJECT_VERSION = 9; + CURRENT_PROJECT_VERSION = 1; DEVELOPMENT_TEAM = D5PBFE23SF; ENABLE_BITCODE = NO; FRAMEWORK_SEARCH_PATHS = ( @@ -5682,7 +5694,7 @@ "$(PROJECT_DIR)/ProductApp/Other/语音/arm/lib", "$(PROJECT_DIR)/ProductApp/BaseControl/Category/RSAEncrypt/lib", ); - MARKETING_VERSION = 2.3.0; + MARKETING_VERSION = 2.3.1; PRODUCT_BUNDLE_IDENTIFIER = com.batiao.aiwrite; PRODUCT_NAME = "$(TARGET_NAME)"; SWIFT_EMIT_LOC_STRINGS = YES; diff --git a/ProductApp/ProductApp.xcworkspace/xcuserdata/gongzuo.xcuserdatad/UserInterfaceState.xcuserstate b/ProductApp/ProductApp.xcworkspace/xcuserdata/gongzuo.xcuserdatad/UserInterfaceState.xcuserstate index 29220cc..b2e24af 100644 Binary files a/ProductApp/ProductApp.xcworkspace/xcuserdata/gongzuo.xcuserdatad/UserInterfaceState.xcuserstate and b/ProductApp/ProductApp.xcworkspace/xcuserdata/gongzuo.xcuserdatad/UserInterfaceState.xcuserstate differ diff --git a/ProductApp/ProductApp/AppDelegate.m b/ProductApp/ProductApp/AppDelegate.m index a96f754..48890ce 100644 --- a/ProductApp/ProductApp/AppDelegate.m +++ b/ProductApp/ProductApp/AppDelegate.m @@ -91,6 +91,7 @@ } + ///禁止黑暗模式 #if defined(__IPHONE_13_0) && __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_13_0 if(@available(iOS 13.0,*)){ diff --git a/ProductApp/ProductApp/BaseControl/UserInfo/UserInfoModel.m b/ProductApp/ProductApp/BaseControl/UserInfo/UserInfoModel.m index 8267ef0..88dbce6 100644 --- a/ProductApp/ProductApp/BaseControl/UserInfo/UserInfoModel.m +++ b/ProductApp/ProductApp/BaseControl/UserInfo/UserInfoModel.m @@ -123,7 +123,7 @@ static UserInfoModel *userinfo; if(ispush) { LoginViewController *lvc = [[LoginViewController alloc] init]; - lvc.isbind = YES; +// lvc.isbind = YES; [vc.navigationController pushViewController:lvc animated:YES]; [HXHud showMessage:@"请登录" afterDelayType:0]; diff --git a/ProductApp/ProductApp/ProductMain/AIChart/AIChatViewController.m b/ProductApp/ProductApp/ProductMain/AIChart/AIChatViewController.m index da87928..1cf8bd4 100644 --- a/ProductApp/ProductApp/ProductMain/AIChart/AIChatViewController.m +++ b/ProductApp/ProductApp/ProductMain/AIChart/AIChatViewController.m @@ -442,9 +442,11 @@ cellDraw = [self.tableView cellForRowAtIndexPath:index]; } self.cellDraw = cellDraw; + [self.tableView setScrollEnabled:NO]; [cellDraw setBackDrawValue:^(BOOL isDrawFinish) { if(isDrawFinish) { + [self.tableView setScrollEnabled:YES]; AIChatModel *modeltemp = self.arrdata[self.arrdata.count-1]; float fheight = 55; if([Tools getWidthWithText:modeltemp.text height:20 font:14]>UISCREEN_WIDTH-80) @@ -456,8 +458,11 @@ [self.tableView endUpdates]; if(self.isDragging==NO) { - [self.tableView reloadRowsAtIndexPaths:@[index] withRowAnimation:UITableViewRowAnimationNone]; - [self scrollToBottom]; +// [self.tableView reloadRowsAtIndexPaths:@[index] withRowAnimation:UITableViewRowAnimationNone]; +// [self scrollToBottom]; + + NSIndexPath *index = [NSIndexPath indexPathForRow:self.arrdata.count-1 inSection:0]; + [self.tableView scrollToRowAtIndexPath:index atScrollPosition:UITableViewScrollPositionBottom animated:NO]; } }); [UserInfoModel setAiChatIsDrawing:0]; @@ -470,7 +475,7 @@ self.cellDraw.height = fheight; if(ftemp-ftheight>0 && self.isDragging==NO) { - [self.tableView setContentOffset:CGPointMake(0, ftemp-ftheight+fheight-50)]; + [self.tableView setContentOffset:CGPointMake(0, ftemp-ftheight+fheight-60)]; } } }]; @@ -489,23 +494,13 @@ @"content":[Tools isStringnil:value]}; [[SSENetWorkManager shareManager] requestTo:[NSString stringWithFormat:@"https://aiw.batiao8.com/api/chat/room?scene=chat_room"] dicpush:dicpush config:^(SSEConfigModel * _Nonnull config) { - } backValue:^(NSString * _Nonnull value, BOOL isfinish) { -// NSLog(@"%@",value); if(value.length>4) { AIChatModel *modeltemp = self.arrdata.lastObject; modeltemp.text = value; - self.cellDraw.model = modeltemp; -// float fheight = modeltemp.height; -// -// self.cellDraw.height = fheight; -// if(ftemp-ftheight>0 && self.isDragging==NO) -// { -// [self.tableView setContentOffset:CGPointMake(0, ftemp-ftheight+fheight-50)]; -// } } else { diff --git a/ProductApp/ProductApp/ProductMain/AIChart/cell/默认功能/AIChatFunctionCollectionViewCell.m b/ProductApp/ProductApp/ProductMain/AIChart/cell/默认功能/AIChatFunctionCollectionViewCell.m index c6392a0..cc1f4a0 100644 --- a/ProductApp/ProductApp/ProductMain/AIChart/cell/默认功能/AIChatFunctionCollectionViewCell.m +++ b/ProductApp/ProductApp/ProductMain/AIChart/cell/默认功能/AIChatFunctionCollectionViewCell.m @@ -6,6 +6,7 @@ // #import "AIChatFunctionCollectionViewCell.h" +#import "SDImageWebPCoder.h" @interface AIChatFunctionCollectionViewCell () /// @@ -67,6 +68,24 @@ } -(void)setStrimageurl:(NSString *)strimageurl { - [self.imgvback sd_setImageWithURL:[NSURL URLWithString:[Tools isStringnil:strimageurl]] placeholderImage:nil]; +// [self.imgvback sd_setImageWithURL:[NSURL URLWithString:[Tools isStringnil:strimageurl]] placeholderImage:nil]; + if([strimageurl containsString:@".webp"]||[strimageurl containsString:@".WEBP"]) + { + SDImageWebPCoder *webPCoder = [SDImageWebPCoder sharedCoder]; + [[SDImageCodersManager sharedManager] addCoder:webPCoder]; + + dispatch_async(dispatch_get_global_queue(0, 0), ^{ + NSData *webpData = [NSData dataWithContentsOfURL:[NSURL URLWithString:[Tools isStringnil:strimageurl]]]; + UIImage *wimage = [[SDImageWebPCoder sharedCoder] decodedImageWithData:webpData options:nil]; + dispatch_async(dispatch_get_main_queue(), ^{ + self.imgvback.image = wimage; + }); + }); + } + else + { + [self.imgvback sd_setImageWithURL:[NSURL URLWithString:[Tools isStringnil:strimageurl]] placeholderImage:nil]; + } + } @end diff --git a/ProductApp/ProductApp/ProductMain/NetWorkManager/NetWorkManager.h b/ProductApp/ProductApp/ProductMain/NetWorkManager/NetWorkManager.h index 59791da..8c6c832 100644 --- a/ProductApp/ProductApp/ProductMain/NetWorkManager/NetWorkManager.h +++ b/ProductApp/ProductApp/ProductMain/NetWorkManager/NetWorkManager.h @@ -42,6 +42,8 @@ #import "PptProgressModel.h" #import "PptHestoryModel.h" +#import "CorrectConfigModel.h" + NS_ASSUME_NONNULL_BEGIN @interface NetWorkManager : NSObject @@ -667,6 +669,112 @@ NS_ASSUME_NONNULL_BEGIN status:(NSString *)status Callback:(completeModeBlock)callback; +#pragma mark - 批量批改设置 +/* + 批量批改配置列表 + /api/correct/config + page + size + */ ++ (void)requestCorrectConfigData:(UIView *)view + page:(NSString *)page + Callback:(completeModeBlock)callback; + + +/* + 添加配置 修改配置 + /api/correct/config + id + name + is_default + score + config + */ ++ (void)requestAddCorrectConfigData:(UIView *)view + ID:(NSString *)ID + name:(NSString *)name + is_default:(BOOL)is_default + score:(NSString *)score + config:(NSDictionary *)config + Callback:(completeModeBlock)callback; + +/* + 删除配置 + /api/correct/config + id + */ ++ (void)requestDelAddCorrectConfigData:(UIView *)view + ID:(NSString *)ID + Callback:(completeModeBlock)callback; + +#pragma mark - 批量批改 + +/* + 新建记录 + /api/batch/correct + config_id + images [] 图片ID + */ ++ (void)requestBatchCorrectData:(UIView *)view + config_id:(NSString *)config_id + images:(NSArray *)images + Callback:(completeModeBlock)callback; + +/* + 查询单个状态 + /api/batch/correct/status + id + */ ++ (void)requestBatchCorrectStatusData:(UIView *)view + ID:(NSString *)ID + Callback:(completeModeBlock)callback; + +/* + 查询单个数据 + /api/batch/correct/detail + id + */ ++ (void)requestBatchCorrectDetailData:(UIView *)view + ID:(NSString *)ID + Callback:(completeModeBlock)callback; + +/* + 保存记录 + /api/batch/correct/save + id + */ ++ (void)requestBatchCorrectSaveData:(UIView *)view + ID:(NSString *)ID + Callback:(completeModeBlock)callback; + +/* + 获取记录列表 + /api/batch/correct/save + page + */ ++ (void)requestBatchCorrectSaveListData:(UIView *)view + page:(NSString *)page + Callback:(completeModeBlock)callback; + +/* + 获取记录详情 + /api/batch/correct/save/detail + id + */ ++ (void)requestBatchCorrectSaveDetailData:(UIView *)view + ID:(NSString *)ID + Callback:(completeModeBlock)callback; + +/* + 查询某时间后批改状态 + /api/batch/status + start_time + */ ++ (void)requestBatchStatusData:(UIView *)view + start_time:(NSString *)start_time + Callback:(completeModeBlock)callback; + + @end NS_ASSUME_NONNULL_END diff --git a/ProductApp/ProductApp/ProductMain/NetWorkManager/NetWorkManager.m b/ProductApp/ProductApp/ProductMain/NetWorkManager/NetWorkManager.m index d212452..4e28ee5 100644 --- a/ProductApp/ProductApp/ProductMain/NetWorkManager/NetWorkManager.m +++ b/ProductApp/ProductApp/ProductMain/NetWorkManager/NetWorkManager.m @@ -2067,4 +2067,134 @@ }]; } +#pragma mark - 批量批改设置 +/* + 批量批改配置列表 + /api/correct/config + page + size + */ ++ (void)requestCorrectConfigData:(UIView *)view + page:(NSString *)page + Callback:(completeModeBlock)callback +{ + NSMutableDictionary *dicQuery = [NSMutableDictionary new]; + [dicQuery setObject:[Tools isStringnil:page] forKey:@"page"]; + [dicQuery setObject:@"999" forKey:@"size"]; + + NSMutableDictionary *dicHeader = [NSMutableDictionary new]; + + NSMutableDictionary *dicpush = [NSMutableDictionary new]; + + + [YSAPIClient requestWithRequestBaseUrl:BaseUrl Type:1 url:@"api/correct/config" paraments:dicpush Headers:dicHeader Query:dicQuery completeBlock:^(id _Nullable responseObject, NSError * _Nullable error) { + BOOL state = NO; + NSString *describle = @""; + if (responseObject==nil) { + describle = @"网络错误"; + BaseModel *model = [BaseModel new]; + model.message =describle; + callback(state,model,describle); + }else{ + NSDictionary *dicAll=responseObject; + describle = dicAll[@"message"]; + if ([[NSString stringWithFormat:@"%@",dicAll[@"code"]] intValue] == 0) { + state = YES; + } + callback(state,[CorrectConfigModel yy_modelWithJSON:dicAll],describle); + } + }]; +} + + +/* + 添加配置 修改配置 + /api/correct/config + id + name + is_default + score + config + */ ++ (void)requestAddCorrectConfigData:(UIView *)view + ID:(NSString *)ID + name:(NSString *)name + is_default:(BOOL)is_default + score:(NSString *)score + config:(NSDictionary *)config + Callback:(completeModeBlock)callback +{ + NSMutableDictionary *dicQuery = [NSMutableDictionary new]; + + NSMutableDictionary *dicHeader = [NSMutableDictionary new]; + + NSMutableDictionary *dicpush = [NSMutableDictionary new]; + [dicpush setObject:[Tools isStringnil:name] forKey:@"name"]; + [dicpush setObject:[NSNumber numberWithBool:is_default] forKey:@"is_default"]; + [dicpush setObject:[Tools isStringnil:score] forKey:@"score"]; + [dicpush setObject:config forKey:@"config"]; + + int type = 2; + if([Tools isStringnil:ID].length>0) + { + type = 3; + [dicpush setObject:[Tools isStringnil:ID] forKey:@"id"]; + } + + [YSAPIClient requestWithRequestBaseUrl:BaseUrl Type:type url:@"api/correct/config" paraments:dicpush Headers:dicHeader Query:dicQuery completeBlock:^(id _Nullable responseObject, NSError * _Nullable error) { + BOOL state = NO; + NSString *describle = @""; + if (responseObject==nil) { + describle = @"网络错误"; + BaseModel *model = [BaseModel new]; + model.message =describle; + callback(state,model,describle); + }else{ + NSDictionary *dicAll=responseObject; + describle = dicAll[@"message"]; + if ([[NSString stringWithFormat:@"%@",dicAll[@"code"]] intValue] == 0) { + state = YES; + } + callback(state,[BaseModel yy_modelWithJSON:dicAll],describle); + } + }]; +} + +/* + 删除配置 + /api/correct/config + id + */ ++ (void)requestDelAddCorrectConfigData:(UIView *)view + ID:(NSString *)ID + Callback:(completeModeBlock)callback +{ + NSMutableDictionary *dicQuery = [NSMutableDictionary new]; + [dicQuery setObject:[Tools isStringnil:ID] forKey:@"id"]; + + NSMutableDictionary *dicHeader = [NSMutableDictionary new]; + + NSMutableDictionary *dicpush = [NSMutableDictionary new]; + + + [YSAPIClient requestWithRequestBaseUrl:BaseUrl Type:4 url:@"api/correct/config" paraments:dicpush Headers:dicHeader Query:dicQuery completeBlock:^(id _Nullable responseObject, NSError * _Nullable error) { + BOOL state = NO; + NSString *describle = @""; + if (responseObject==nil) { + describle = @"网络错误"; + BaseModel *model = [BaseModel new]; + model.message =describle; + callback(state,model,describle); + }else{ + NSDictionary *dicAll=responseObject; + describle = dicAll[@"message"]; + if ([[NSString stringWithFormat:@"%@",dicAll[@"code"]] intValue] == 0) { + state = YES; + } + callback(state,[BaseModel yy_modelWithJSON:dicAll],describle); + } + }]; +} + + @end diff --git a/ProductApp/ProductApp/ProductMain/NetWorkManager/models/CorrectConfigModel.h b/ProductApp/ProductApp/ProductMain/NetWorkManager/models/CorrectConfigModel.h new file mode 100644 index 0000000..1fda0d1 --- /dev/null +++ b/ProductApp/ProductApp/ProductMain/NetWorkManager/models/CorrectConfigModel.h @@ -0,0 +1,57 @@ +// +// CorrectConfigModel.h +// ProductApp +// +// Created by 工作 on 2024/11/21. +// + +#import "BaseModel.h" + +NS_ASSUME_NONNULL_BEGIN +@class CorrectConfigModelData,CorrectConfigModelDataItem,CorrectConfigModelDataItemConfig,CorrectConfigModelDataItemConfigScenes,CorrectConfigModelDataItemConfigSingle_score; +@interface CorrectConfigModel : BaseModel +/// +@property (nonatomic , strong) CorrectConfigModelData *data; +@end +@interface CorrectConfigModelData : NSObject +/// +@property (nonatomic , strong) NSArray *items; +@end +@interface CorrectConfigModelDataItem : NSObject +/// +@property (nonatomic , strong) CorrectConfigModelDataItemConfig *config; +/// +@property (nonatomic , strong) NSString *create_time; +/// +@property (nonatomic , strong) NSString *ID; +/// +@property (nonatomic , assign) BOOL is_default; +/// +@property (nonatomic , strong) NSString *name; +/// +@property (nonatomic , strong) NSString *score; +/// +@property (nonatomic , strong) NSString *update_time; + +@end + +@interface CorrectConfigModelDataItemConfig : NSObject +/// +@property (nonatomic , strong) NSArray *scenes; +/// +@property (nonatomic , strong) NSArray *single_score; +@end + +@interface CorrectConfigModelDataItemConfigScenes : NSObject +/// +@property (nonatomic , strong) NSString *name; +/// +@property (nonatomic , strong) NSString *scene; +@end +@interface CorrectConfigModelDataItemConfigSingle_score : NSObject +/// +@property (nonatomic , strong) NSString *name; +/// +@property (nonatomic , strong) NSString *max; +@end +NS_ASSUME_NONNULL_END diff --git a/ProductApp/ProductApp/ProductMain/NetWorkManager/models/CorrectConfigModel.m b/ProductApp/ProductApp/ProductMain/NetWorkManager/models/CorrectConfigModel.m new file mode 100644 index 0000000..7942c43 --- /dev/null +++ b/ProductApp/ProductApp/ProductMain/NetWorkManager/models/CorrectConfigModel.m @@ -0,0 +1,40 @@ +// +// CorrectConfigModel.m +// ProductApp +// +// Created by 工作 on 2024/11/21. +// + +#import "CorrectConfigModel.h" + +@implementation CorrectConfigModel ++ (NSDictionary *)modelContainerPropertyGenericClass { + return @{@"data" : [CorrectConfigModelData class]}; +} +@end +@implementation CorrectConfigModelData ++ (NSDictionary *)modelContainerPropertyGenericClass { + return @{@"items" : [CorrectConfigModelDataItem class]}; +} +@end +@implementation CorrectConfigModelDataItem ++ (nullable NSDictionary *)modelCustomPropertyMapper +{ + return @{@"ID" : @"id"}; +} ++ (NSDictionary *)modelContainerPropertyGenericClass { + return @{@"config" : [CorrectConfigModelDataItemConfig class]}; +} +@end +@implementation CorrectConfigModelDataItemConfig ++ (NSDictionary *)modelContainerPropertyGenericClass { + return @{@"scenes" : [CorrectConfigModelDataItemConfigScenes class], + @"single_score" : [CorrectConfigModelDataItemConfigSingle_score class]}; +} +@end +@implementation CorrectConfigModelDataItemConfigScenes + +@end +@implementation CorrectConfigModelDataItemConfigSingle_score + +@end diff --git a/ProductApp/ProductApp/ProductMain/alter/XieYiAlterView.m b/ProductApp/ProductApp/ProductMain/alter/XieYiAlterView.m index a6dc8bd..f4ee1b4 100644 --- a/ProductApp/ProductApp/ProductMain/alter/XieYiAlterView.m +++ b/ProductApp/ProductApp/ProductMain/alter/XieYiAlterView.m @@ -65,7 +65,7 @@ [noteStr addAttribute:NSParagraphStyleAttributeName value:style range:NSMakeRange(0, lbinfo.text.length)]; noteStr.yy_font = [UIFont boldSystemFontOfSize:12.0f]; noteStr.yy_color = RGBCOLOR(60, 60, 60); - [noteStr yy_setTextHighlightRange:NSMakeRange(70, 6) color:MainColor backgroundColor:[UIColor whiteColor] tapAction:^(UIView * _Nonnull containerView, NSAttributedString * _Nonnull text, NSRange range, CGRect rect) { + [noteStr yy_setTextHighlightRange:NSMakeRange(69, 6) color:MainColor backgroundColor:[UIColor whiteColor] tapAction:^(UIView * _Nonnull containerView, NSAttributedString * _Nonnull text, NSRange range, CGRect rect) { NSLog(@"隐私政策"); [self pushXieYiTag]; }]; diff --git a/ProductApp/ProductApp/ProductMain/login/LoginViewController.m b/ProductApp/ProductApp/ProductMain/login/LoginViewController.m index 0d6b233..b97ff9e 100644 --- a/ProductApp/ProductApp/ProductMain/login/LoginViewController.m +++ b/ProductApp/ProductApp/ProductMain/login/LoginViewController.m @@ -15,7 +15,7 @@ #import "UIAlertController+Blocks.h" #import "AppDelegate.h" #import "ZhangHaoBangDingViewController.h" - +#import "StartPayViewController.h" @interface LoginViewController () @property(nonatomic, strong) UIView *contentView; @@ -234,6 +234,15 @@ } else { + NSArray *arr = self.navigationController.viewControllers; + for(UIViewController *vc in arr) + { + if([vc isKindOfClass:[StartPayViewController class]]) + { + [self.navigationController popViewControllerAnimated:YES]; + return; + } + } [appde.window setRootViewController:[TabBarController new]]; } }]; diff --git a/ProductApp/ProductApp/ProductMain/login/view/LoginAppleView.m b/ProductApp/ProductApp/ProductMain/login/view/LoginAppleView.m index cfcd855..c5a3c16 100644 --- a/ProductApp/ProductApp/ProductMain/login/view/LoginAppleView.m +++ b/ProductApp/ProductApp/ProductMain/login/view/LoginAppleView.m @@ -13,7 +13,7 @@ #import "AppDelegate.h" #import "ZhangHaoBangDingViewController.h" #import - +#import "StartPayViewController.h" @interface LoginAppleView () /// @@ -359,6 +359,15 @@ } else { + NSArray *arr = self.viewController.navigationController.viewControllers; + for(UIViewController *vc in arr) + { + if([vc isKindOfClass:[StartPayViewController class]]) + { + [self.viewController.navigationController popViewControllerAnimated:YES]; + return; + } + } [appde.window setRootViewController:[TabBarController new]]; } [UserInfoModel shijianShangBao:0 key:@"client.login.success" value:@"apple" extra:@""]; diff --git a/ProductApp/ProductApp/ProductMain/login/view/LoginView.m b/ProductApp/ProductApp/ProductMain/login/view/LoginView.m index d959c57..c5d489a 100644 --- a/ProductApp/ProductApp/ProductMain/login/view/LoginView.m +++ b/ProductApp/ProductApp/ProductMain/login/view/LoginView.m @@ -16,7 +16,7 @@ #import "UIAlertController+Blocks.h" #import "AppDelegate.h" #import "ZhangHaoBangDingViewController.h" - +#import "StartPayViewController.h" @interface LoginView () /// @@ -587,6 +587,15 @@ } else { + NSArray *arr = self.viewController.navigationController.viewControllers; + for(UIViewController *vc in arr) + { + if([vc isKindOfClass:[StartPayViewController class]]) + { + [self.viewController.navigationController popViewControllerAnimated:YES]; + return; + } + } [appde.window setRootViewController:[TabBarController new]]; } [UserInfoModel shijianShangBao:0 key:@"client.login.success" value:@"code" extra:self.fieldPhone.text]; diff --git a/ProductApp/ProductApp/ProductMain/login/view/LoginWXView.m b/ProductApp/ProductApp/ProductMain/login/view/LoginWXView.m index 3cf91f5..72a5d72 100644 --- a/ProductApp/ProductApp/ProductMain/login/view/LoginWXView.m +++ b/ProductApp/ProductApp/ProductMain/login/view/LoginWXView.m @@ -13,6 +13,7 @@ #import "UIAlertController+Blocks.h" #import "AppDelegate.h" #import "ZhangHaoBangDingViewController.h" +#import "StartPayViewController.h" @interface LoginWXView () /// @@ -365,6 +366,16 @@ } else { + NSArray *arr = self.viewController.navigationController.viewControllers; + for(UIViewController *vc in arr) + { + if([vc isKindOfClass:[StartPayViewController class]]) + { + [self.viewController.navigationController popViewControllerAnimated:YES]; + return; + } + } + [appde.window setRootViewController:[TabBarController new]]; } diff --git a/ProductApp/ProductApp/ProductMain/引导/支付页/cell/StartPayGoodsCollectionViewCell.m b/ProductApp/ProductApp/ProductMain/引导/支付页/cell/StartPayGoodsCollectionViewCell.m index 09b35b6..b58f822 100644 --- a/ProductApp/ProductApp/ProductMain/引导/支付页/cell/StartPayGoodsCollectionViewCell.m +++ b/ProductApp/ProductApp/ProductMain/引导/支付页/cell/StartPayGoodsCollectionViewCell.m @@ -47,15 +47,23 @@ [imgvback setHidden:YES]; _imgvback = imgvback; + UIView *viewinfo = [[UIView alloc] init]; + [viewback addSubview:viewinfo]; + [viewinfo mas_makeConstraints:^(MASConstraintMaker *make) { + make.left.right.equalTo(viewback); + make.centerY.equalTo(viewback); + }]; + + UILabel *lbname = [[UILabel alloc] init]; [lbname setText:@"xx会员"]; [lbname setTextColor:RGBCOLOR(23, 31, 96)]; [lbname setTextAlignment:NSTextAlignmentCenter]; [lbname setFont:[UIFont fontWithName:@"zihunbiantaoti" size:20]]; - [viewback addSubview:lbname]; + [viewinfo addSubview:lbname]; [lbname mas_makeConstraints:^(MASConstraintMaker *make) { make.top.offset(11); - make.left.right.equalTo(viewback); + make.left.right.equalTo(viewinfo); }]; _lbname = lbname; @@ -64,10 +72,10 @@ [lbprice setTextColor:RGBCOLOR(249, 37, 95)]; [lbprice setTextAlignment:NSTextAlignmentCenter]; [lbprice setFont:[UIFont fontWithName:@"D-DIN-PRO-Bold" size:30]]; - [viewback addSubview:lbprice]; + [viewinfo addSubview:lbprice]; [lbprice mas_makeConstraints:^(MASConstraintMaker *make) { make.top.equalTo(lbname.mas_bottom).offset(10); - make.left.right.equalTo(viewback); + make.left.right.equalTo(viewinfo); }]; _lbprice = lbprice; @@ -76,10 +84,10 @@ [lbyuanjia setTextColor:RGBCOLOR(157, 157, 157)]; [lbyuanjia setTextAlignment:NSTextAlignmentCenter]; [lbyuanjia setFont:[UIFont fontWithName:@"D-DIN-PRO-Bold" size:12]]; - [viewback addSubview:lbyuanjia]; + [viewinfo addSubview:lbyuanjia]; [lbyuanjia mas_makeConstraints:^(MASConstraintMaker *make) { make.top.equalTo(lbprice.mas_bottom).offset(7); - make.left.right.equalTo(viewback); + make.left.right.equalTo(viewinfo); }]; _lbyuanjia = lbyuanjia; @@ -88,12 +96,16 @@ [lbyouhui setTextColor:RGBCOLOR(61, 61, 61)]; [lbyouhui setTextAlignment:NSTextAlignmentCenter]; [lbyouhui setFont:[UIFont systemFontOfSize:10]]; - [viewback addSubview:lbyouhui]; + [viewinfo addSubview:lbyouhui]; [lbyouhui mas_makeConstraints:^(MASConstraintMaker *make) { make.top.equalTo(lbyuanjia.mas_bottom).offset(11); - make.left.right.equalTo(viewback); + make.left.right.equalTo(viewinfo); }]; _lbyouhui = lbyouhui; + + [viewinfo mas_makeConstraints:^(MASConstraintMaker *make) { + make.bottom.equalTo(lbyouhui).offset(11); + }]; } return self; } diff --git a/ProductApp/ProductApp/ProductMain/引导/支付页/view/StartPayView.m b/ProductApp/ProductApp/ProductMain/引导/支付页/view/StartPayView.m index bbb78d4..a3b7c0c 100644 --- a/ProductApp/ProductApp/ProductMain/引导/支付页/view/StartPayView.m +++ b/ProductApp/ProductApp/ProductMain/引导/支付页/view/StartPayView.m @@ -46,7 +46,6 @@ { UIImageView *imgvback = [[UIImageView alloc] init]; [imgvback setImage:[UIImage imageNamed:@"yd_pay_back"]]; - [imgvback setContentMode:UIViewContentModeTop]; [self addSubview:imgvback]; [imgvback mas_makeConstraints:^(MASConstraintMaker *make) { make.edges.equalTo(self); @@ -58,7 +57,7 @@ [scvback mas_makeConstraints:^(MASConstraintMaker *make) { make.left.top.offset(0); make.width.equalTo(self); - make.height.equalTo(self).offset(-TabHeight-35); + make.height.equalTo(self).offset(-TabHeight-20); }]; UIButton *btdel = [[UIButton alloc] init]; diff --git a/ProductApp/ProductApp/ProductMain/首页/cell/ShouYeXieZuoTableViewCell.m b/ProductApp/ProductApp/ProductMain/首页/cell/ShouYeXieZuoTableViewCell.m index 9100146..20c6b7b 100644 --- a/ProductApp/ProductApp/ProductMain/首页/cell/ShouYeXieZuoTableViewCell.m +++ b/ProductApp/ProductApp/ProductMain/首页/cell/ShouYeXieZuoTableViewCell.m @@ -64,7 +64,7 @@ [view.layer setCornerRadius:8]; UIImageView *imgvback = [[UIImageView alloc] init]; [imgvback setImage:[UIImage imageNamed:img]]; - [imgvback setContentMode:UIViewContentModeBottomRight]; +// [imgvback setContentMode:UIViewContentModeBottomRight]; [view addSubview:imgvback]; [imgvback mas_makeConstraints:^(MASConstraintMaker *make) { make.edges.equalTo(view); @@ -106,7 +106,7 @@ [view.layer setCornerRadius:8]; UIImageView *imgvback = [[UIImageView alloc] init]; [imgvback setImage:[UIImage imageNamed:@"home_pzback"]]; - [imgvback setContentMode:UIViewContentModeBottomRight]; +// [imgvback setContentMode:UIViewContentModeBottomRight]; [view addSubview:imgvback]; [imgvback mas_makeConstraints:^(MASConstraintMaker *make) { make.edges.equalTo(view); diff --git a/ProductApp/ProductApp/ProductMain/首页/cell/老师/ShouYeLSKTPGTableViewCell.m b/ProductApp/ProductApp/ProductMain/首页/cell/老师/ShouYeLSKTPGTableViewCell.m index b3f9df5..f7afd9d 100644 --- a/ProductApp/ProductApp/ProductMain/首页/cell/老师/ShouYeLSKTPGTableViewCell.m +++ b/ProductApp/ProductApp/ProductMain/首页/cell/老师/ShouYeLSKTPGTableViewCell.m @@ -64,7 +64,7 @@ [view.layer setCornerRadius:8]; UIImageView *imgvback = [[UIImageView alloc] init]; [imgvback setImage:[UIImage imageNamed:img]]; - [imgvback setContentMode:UIViewContentModeBottomRight]; +// [imgvback setContentMode:UIViewContentModeBottomRight]; [view addSubview:imgvback]; [imgvback mas_makeConstraints:^(MASConstraintMaker *make) { make.edges.equalTo(view); @@ -106,7 +106,7 @@ [view.layer setCornerRadius:8]; UIImageView *imgvback = [[UIImageView alloc] init]; [imgvback setImage:[UIImage imageNamed:@"home_ls_ktpg"]]; - [imgvback setContentMode:UIViewContentModeBottomRight]; +// [imgvback setContentMode:UIViewContentModeBottomRight]; [view addSubview:imgvback]; [imgvback mas_makeConstraints:^(MASConstraintMaker *make) { make.edges.equalTo(view); diff --git a/ProductApp/ProductApp/ProductMain/首页/cell/职场/ShouYeZCXZTableViewCell.m b/ProductApp/ProductApp/ProductMain/首页/cell/职场/ShouYeZCXZTableViewCell.m index 8c16e86..8beb510 100644 --- a/ProductApp/ProductApp/ProductMain/首页/cell/职场/ShouYeZCXZTableViewCell.m +++ b/ProductApp/ProductApp/ProductMain/首页/cell/职场/ShouYeZCXZTableViewCell.m @@ -26,6 +26,7 @@ [viewback.layer setMasksToBounds:YES]; [viewback.layer setCornerRadius:8]; [viewback setImage:[UIImage imageNamed:@"home_znxzback"]]; + [viewback setUserInteractionEnabled:YES]; UIImageView *viewback1 = [[UIImageView alloc] init]; [self.contentView addSubview:viewback1]; diff --git a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/PLPGSetListController.m b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/PLPGSetListController.m index 279dff8..74c9284 100644 --- a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/PLPGSetListController.m +++ b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/PLPGSetListController.m @@ -8,13 +8,15 @@ #import "PLPGSetListController.h" #import "PLPGSetListTableViewCell.h" #import "PLPGSetListEditViewController.h" +#import "NetWorkManager.h" @interface PLPGSetListController () /// @property (nonatomic , strong) UITableView *tableView; +@property (nonatomic , assign) int ipage; /// -@property (nonatomic , strong) NSArray *arrdata; +@property (nonatomic , strong) NSMutableArray *arrdata; @end @@ -29,6 +31,14 @@ [self.navigationView setTitle:@"批改设置列表" titleColor:RGBCOLOR(60, 60, 60)]; [self.navigationView setBackgroundColor:[UIColor whiteColor]]; } +-(void)viewDidAppear:(BOOL)animated +{ + [super viewDidAppear:animated]; + + self.ipage = 1; + [self getdata]; + +} - (void)viewDidLoad { [super viewDidLoad]; @@ -48,7 +58,14 @@ _tableView = tableView; [self.tableView setEmptyDataSetDelegate:self]; [self.tableView setEmptyDataSetSource:self]; - + tableView.mj_header = [MJRefreshNormalHeader headerWithRefreshingBlock:^{ + self.ipage=1; + [self getdata]; + }]; + tableView.mj_footer = [MJRefreshBackNormalFooter footerWithRefreshingBlock:^{ + self.ipage+=1; + [self getdata]; + }]; UIView *viewbottom = [[UIView alloc] init]; [viewbottom setBackgroundColor:[UIColor whiteColor]]; @@ -104,11 +121,31 @@ [self.navigationController pushViewController:vc animated:YES]; } +-(void)getdata +{ + [LoadAlterView show]; + [NetWorkManager requestCorrectConfigData:self.view page:[NSString stringWithFormat:@"%d",self.ipage] Callback:^(BOOL state, CorrectConfigModel *responseObject, NSString * _Nullable describle) { + [LoadAlterView dismiss]; + [self.tableView.mj_header endRefreshing]; + [self.tableView.mj_footer endRefreshing]; + if(self.ipage==1)self.arrdata=[NSMutableArray new]; + if(state) + { + [self.arrdata addObjectsFromArray:responseObject.data.items]; + } + else + { + [HXHud showMessage:responseObject.message afterDelayType:1]; + } + [self.tableView reloadData]; + [self refShow]; + }]; +} #pragma mark - UITableView -(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { - return 0; + return self.arrdata.count; } -(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { @@ -120,7 +157,11 @@ [cell setSelectionStyle:UITableViewCellSelectionStyleNone]; [cell setBackgroundColor:[UIColor clearColor]]; } - + cell.model = self.arrdata[indexPath.row]; + [cell setBackRef:^{ + self.ipage = 1; + [self getdata]; + }]; return cell; } -(CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section diff --git a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/cell/PLPGSetListTableViewCell.h b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/cell/PLPGSetListTableViewCell.h index 5c7e522..e3138d0 100644 --- a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/cell/PLPGSetListTableViewCell.h +++ b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/cell/PLPGSetListTableViewCell.h @@ -6,11 +6,14 @@ // #import - +#import "CorrectConfigModel.h" NS_ASSUME_NONNULL_BEGIN - +typedef void(^PLPGSetListTableViewCellRef)(void); @interface PLPGSetListTableViewCell : UITableViewCell - +/// +@property (nonatomic , strong) CorrectConfigModelDataItem *model; +/// +@property (nonatomic , strong) PLPGSetListTableViewCellRef backRef; @end NS_ASSUME_NONNULL_END diff --git a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/cell/PLPGSetListTableViewCell.m b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/cell/PLPGSetListTableViewCell.m index 5c64029..5807602 100644 --- a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/cell/PLPGSetListTableViewCell.m +++ b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/cell/PLPGSetListTableViewCell.m @@ -6,7 +6,9 @@ // #import "PLPGSetListTableViewCell.h" - +#import "NetWorkManager.h" +#import "NomoAlterView.h" +#import "PLPGSetListEditViewController.h" @interface PLPGSetListTableViewCell () /// @@ -55,7 +57,7 @@ [lbmoren setFont:[UIFont systemFontOfSize:10]]; [viewback addSubview:lbmoren]; [lbmoren mas_makeConstraints:^(MASConstraintMaker *make) { - make.left.equalTo(lbname.mas_right); + make.left.equalTo(lbname.mas_right).offset(1); make.centerY.equalTo(lbname); make.width.offset(25); make.height.offset(14); @@ -127,20 +129,70 @@ make.centerY.equalTo(btnomo); make.size.sizeOffset(CGSizeMake(36, 20)); }]; - [btedit addTarget:self action:@selector(delAction) forControlEvents:UIControlEventTouchUpInside]; + [btedit addTarget:self action:@selector(editszAction) forControlEvents:UIControlEventTouchUpInside]; } return self; } +-(void)setModel:(CorrectConfigModelDataItem *)model +{ + _model = model; + self.lbname.text = [Tools isStringnilkong:model.name]; + [self.lbmoren setHidden:!model.is_default]; + self.lbfen.text = [NSString stringWithFormat:@"%@分制",model.score]; + self.btnomo.selected = model.is_default; +} -(void)nomoAction { - + if(self.model.is_default)return; + [LoadAlterView show]; + NSDictionary *dicconfig = [self.model.config yy_modelToJSONObject]; + [NetWorkManager requestAddCorrectConfigData:self ID:self.model.ID name:self.model.name is_default:YES score:self.model.score config:dicconfig Callback:^(BOOL state, BaseModel *responseObject, NSString * _Nullable describle) { + [LoadAlterView dismiss]; + if(state) + { + if(self.backRef) + { + self.backRef(); + } + } + else + { + [HXHud showMessage:responseObject.message afterDelayType:1]; + } + }]; } -(void)delAction { - + [NomoAlterView showInfo:[NSString stringWithFormat:@"是否删除”%@“",self.model.name] SelectTag:^(NSInteger tag) { + if(tag==1) + { + [LoadAlterView show]; + [NetWorkManager requestDelAddCorrectConfigData:self ID:self.model.ID Callback:^(BOOL state, BaseModel *responseObject, NSString * _Nullable describle) { + [LoadAlterView dismiss]; + if(state) + { + if(self.backRef) + { + self.backRef(); + } + } + else + { + [HXHud showMessage:responseObject.message afterDelayType:1]; + } + }]; + } + }]; +} + +-(void)editszAction +{ + PLPGSetListEditViewController *vc = [PLPGSetListEditViewController new]; + vc.model = self.model; + [self.viewController.navigationController pushViewController:vc animated:YES]; } @end diff --git a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/PLPGSetListEditViewController.h b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/PLPGSetListEditViewController.h index d5c8b9b..c351d0d 100644 --- a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/PLPGSetListEditViewController.h +++ b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/PLPGSetListEditViewController.h @@ -6,11 +6,12 @@ // #import "BaseViewController.h" - +#import "CorrectConfigModel.h" NS_ASSUME_NONNULL_BEGIN @interface PLPGSetListEditViewController : BaseViewController - +/// +@property (nonatomic , strong) CorrectConfigModelDataItem *model; @end NS_ASSUME_NONNULL_END diff --git a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/PLPGSetListEditViewController.m b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/PLPGSetListEditViewController.m index 5392021..33aa1aa 100644 --- a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/PLPGSetListEditViewController.m +++ b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/PLPGSetListEditViewController.m @@ -41,6 +41,7 @@ make.left.right.bottom.equalTo(self.view); make.top.offset(NavHeight); }]; + view.model = self.model; } diff --git a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/cell/PLPGSetListEditTableViewCell.h b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/cell/PLPGSetListEditTableViewCell.h index de69952..e0dd575 100644 --- a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/cell/PLPGSetListEditTableViewCell.h +++ b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/cell/PLPGSetListEditTableViewCell.h @@ -6,13 +6,16 @@ // #import - +#import "CorrectConfigModel.h" NS_ASSUME_NONNULL_BEGIN -typedef void(^PLPGSetListEditTableViewCellBack)(void); +typedef void(^PLPGSetListEditTableViewCellBack)(CorrectConfigModelDataItemConfigSingle_score *model); @interface PLPGSetListEditTableViewCell : UITableViewCell /// @property (nonatomic , strong) PLPGSetListEditTableViewCellBack backValue; +/// +@property (nonatomic , strong) CorrectConfigModelDataItemConfigSingle_score *model; + @end NS_ASSUME_NONNULL_END diff --git a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/cell/PLPGSetListEditTableViewCell.m b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/cell/PLPGSetListEditTableViewCell.m index 8f039f9..b1858b3 100644 --- a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/cell/PLPGSetListEditTableViewCell.m +++ b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/cell/PLPGSetListEditTableViewCell.m @@ -76,15 +76,21 @@ } return self; } - +-(void)setModel:(CorrectConfigModelDataItemConfigSingle_score *)model +{ + _model = model; + self.lbname.text = model.name; + self.lbfen.text = model.max; + +} -(void)delAction { - [NomoAlterView showInfo:[NSString stringWithFormat:@"是否删除评分维度“%@”",@"主题主题主题主题主题主题"] SelectTag:^(NSInteger tag) { + [NomoAlterView showInfo:[NSString stringWithFormat:@"是否删除评分维度“%@”",self.model.name] SelectTag:^(NSInteger tag) { if(tag==1) { if(self.backValue) { - self.backValue(); + self.backValue(self.model); } } }]; diff --git a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/view/PLPGSetListEditAddItemView.h b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/view/PLPGSetListEditAddItemView.h index 6e5e820..2fe2f6c 100644 --- a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/view/PLPGSetListEditAddItemView.h +++ b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/view/PLPGSetListEditAddItemView.h @@ -6,15 +6,22 @@ // #import - +#import "CorrectConfigModel.h" NS_ASSUME_NONNULL_BEGIN +typedef void(^PLPGSetListEditAddItemViewBack)(NSString *strfen,NSString *strname); @interface PLPGSetListEditAddItemView : UIView ///已设置的分数 @property (nonatomic , strong) NSString *strfenNow; ///分数上限(最后在设置该参数) @property (nonatomic , strong) NSString *strfenBig; +/// +@property (nonatomic , strong) CorrectConfigModelDataItemConfigSingle_score *modelEdit; + +/// +@property (nonatomic , strong) PLPGSetListEditAddItemViewBack backValue; + @end diff --git a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/view/PLPGSetListEditAddItemView.m b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/view/PLPGSetListEditAddItemView.m index c2bb4db..dacddb1 100644 --- a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/view/PLPGSetListEditAddItemView.m +++ b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/view/PLPGSetListEditAddItemView.m @@ -277,6 +277,14 @@ [self refShowFen:self.lbtsfen]; } } +-(void)setModelEdit:(CorrectConfigModelDataItemConfigSingle_score *)modelEdit +{ + _modelEdit = modelEdit; + self.fieldfen.text=modelEdit.max; + self.fieldname.text = modelEdit.name; + + self.lbtsname.text = [NSString stringWithFormat:@"%ld/10字",self.fieldname.text.length]; +} -(void)delAction { [UIView animateWithDuration:0.3 animations:^{ @@ -288,7 +296,27 @@ -(void)addAction { + if(self.fieldfen.text.length==0) + { + [HXHud showMessage:@"请输入标准得分" afterDelayType:0]; + return; + } + if(self.fieldname.text.length==0) + { + [HXHud showMessage:@"请输入标准名称" afterDelayType:0]; + return; + } + if(self.modelEdit) + { + self.modelEdit.name = self.fieldname.text; + self.modelEdit.max = self.fieldfen.text; + } + if(self.backValue) + { + self.backValue(self.fieldfen.text, self.fieldname.text); + } + [self delAction]; } #pragma mark - UICollectionView diff --git a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/view/PLPGSetListEditView.h b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/view/PLPGSetListEditView.h index 03c109a..d915622 100644 --- a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/view/PLPGSetListEditView.h +++ b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/view/PLPGSetListEditView.h @@ -6,11 +6,12 @@ // #import - +#import "CorrectConfigModel.h" NS_ASSUME_NONNULL_BEGIN @interface PLPGSetListEditView : UIView - +/// +@property (nonatomic , strong) CorrectConfigModelDataItem *model; @end NS_ASSUME_NONNULL_END diff --git a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/view/PLPGSetListEditView.m b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/view/PLPGSetListEditView.m index 402af8f..a95f603 100644 --- a/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/view/PLPGSetListEditView.m +++ b/ProductApp/ProductApp/ProductMain/首页/批量批改/批改设置列表/编辑设置/view/PLPGSetListEditView.m @@ -10,7 +10,12 @@ #import "PLPGSetListEditAddItemView.h" #import "NomoAlterView.h" +#import "NetWorkManager.h" + @interface PLPGSetListEditView () +/// +@property (nonatomic , strong) UIScrollView *scvback; + /// @property (nonatomic , strong) UIView *viewinfo; @property (nonatomic , strong) UIView *viewbottom; @@ -20,13 +25,17 @@ @property (nonatomic , strong) UITextField *fieldnumber; -@property (nonatomic , strong) UIButton *btcbz; -@property (nonatomic , strong) UIButton *btpy; @property (nonatomic , strong) UILabel *lbfen; +///配置的按钮 +@property (nonatomic , strong) NSMutableArray *arrBtPZ; + /// @property (nonatomic , strong) UITableView *tableView; +///评分维度 +@property (nonatomic , strong) NSMutableArray *arrWdData; + @end @implementation PLPGSetListEditView @@ -44,6 +53,7 @@ make.width.equalTo(self); make.height.equalTo(self).offset(-TabHeight-40); }]; + _scvback = scvback; UIView *viewinfo = [[UIView alloc] init]; [viewinfo setBackgroundColor:[UIColor whiteColor]]; @@ -70,50 +80,68 @@ make.height.offset(TabHeight+25); }]; _viewbottom = viewbottom; - [self drawBottomView:viewbottom]; - } return self; } -(void)drawBottomView:(UIView *)view { - UIButton *btdel = [[UIButton alloc] init]; - [btdel setTitle:@"删除" forState:UIControlStateNormal]; - [btdel setTitleColor:RGBCOLOR(108, 119, 246) forState:UIControlStateNormal]; - [btdel.titleLabel setFont:[UIFont systemFontOfSize:15]]; - [btdel.layer setMasksToBounds:YES]; - [btdel.layer setCornerRadius:8]; - [view addSubview:btdel]; - [btdel mas_makeConstraints:^(MASConstraintMaker *make) { - make.left.offset(16); - make.top.offset(9); - make.width.offset(103); - make.height.offset(46); - }]; - [btdel.layer setBorderColor:RGBCOLOR(108, 119, 246).CGColor]; - [btdel.layer setBorderWidth:1]; - [btdel setTag:0]; - [btdel addTarget:self action:@selector(bottomAction:) forControlEvents:UIControlEventTouchUpInside]; - - UIButton *btsave = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, UISCREEN_WIDTH-32-103-10, 46)]; - [btsave setTitle:@"保存" forState:UIControlStateNormal]; - [btsave setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal]; - [btsave.titleLabel setFont:[UIFont systemFontOfSize:15]]; - [btsave.layer setMasksToBounds:YES]; - [btsave.layer setCornerRadius:8]; - [view addSubview:btsave]; - [btsave mas_makeConstraints:^(MASConstraintMaker *make) { - make.left.equalTo(btdel.mas_right).offset(10); - make.top.offset(9); - make.right.equalTo(view).offset(-16); - make.height.offset(46); - }]; - [Tools changedView:btsave colors:MainJBColors startPoint:CGPointMake(0, 0) endPoint:CGPointMake(1, 0)]; - [btsave setTag:1]; - [btsave addTarget:self action:@selector(bottomAction:) forControlEvents:UIControlEventTouchUpInside]; - ///如果是添加就没得删除 编辑才有 - + if(!self.model) + { + UIButton *btsave = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, UISCREEN_WIDTH-32, 46)]; + [btsave setTitle:@"保存" forState:UIControlStateNormal]; + [btsave setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal]; + [btsave.titleLabel setFont:[UIFont systemFontOfSize:15]]; + [btsave.layer setMasksToBounds:YES]; + [btsave.layer setCornerRadius:8]; + [view addSubview:btsave]; + [btsave mas_makeConstraints:^(MASConstraintMaker *make) { + make.left.offset(16); + make.top.offset(9); + make.right.equalTo(view).offset(-16); + make.height.offset(46); + }]; + [Tools changedView:btsave colors:MainJBColors startPoint:CGPointMake(0, 0) endPoint:CGPointMake(1, 0)]; + [btsave setTag:1]; + [btsave addTarget:self action:@selector(bottomAction:) forControlEvents:UIControlEventTouchUpInside]; + } + else + { + UIButton *btdel = [[UIButton alloc] init]; + [btdel setTitle:@"删除" forState:UIControlStateNormal]; + [btdel setTitleColor:RGBCOLOR(108, 119, 246) forState:UIControlStateNormal]; + [btdel.titleLabel setFont:[UIFont systemFontOfSize:15]]; + [btdel.layer setMasksToBounds:YES]; + [btdel.layer setCornerRadius:8]; + [view addSubview:btdel]; + [btdel mas_makeConstraints:^(MASConstraintMaker *make) { + make.left.offset(16); + make.top.offset(9); + make.width.offset(103); + make.height.offset(46); + }]; + [btdel.layer setBorderColor:RGBCOLOR(108, 119, 246).CGColor]; + [btdel.layer setBorderWidth:1]; + [btdel setTag:0]; + [btdel addTarget:self action:@selector(bottomAction:) forControlEvents:UIControlEventTouchUpInside]; + + UIButton *btsave = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, UISCREEN_WIDTH-32-103-10, 46)]; + [btsave setTitle:@"保存" forState:UIControlStateNormal]; + [btsave setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal]; + [btsave.titleLabel setFont:[UIFont systemFontOfSize:15]]; + [btsave.layer setMasksToBounds:YES]; + [btsave.layer setCornerRadius:8]; + [view addSubview:btsave]; + [btsave mas_makeConstraints:^(MASConstraintMaker *make) { + make.left.equalTo(btdel.mas_right).offset(10); + make.top.offset(9); + make.right.equalTo(view).offset(-16); + make.height.offset(46); + }]; + [Tools changedView:btsave colors:MainJBColors startPoint:CGPointMake(0, 0) endPoint:CGPointMake(1, 0)]; + [btsave setTag:1]; + [btsave addTarget:self action:@selector(bottomAction:) forControlEvents:UIControlEventTouchUpInside]; + } } -(void)drawInfoView:(UIView *)view @@ -161,8 +189,24 @@ viewlast = viewitem; } - NSArray *arrswitch = @[@"错别字检查",@"评语",@"评分维度"]; + self.arrBtPZ = [NSMutableArray new]; + NSArray *arrpz = [[[UserInfoModel shareModel] config] objectForKey:@"client.batch.correct.scene"]; + for(int i = 0 ; i < arrpz.count;i++) + { + NSDictionary *dic = arrpz[i]; + UIView *viewitem = [[UIView alloc] init]; + [view addSubview:viewitem]; + [viewitem mas_makeConstraints:^(MASConstraintMaker *make) { + make.left.right.equalTo(view); + make.top.equalTo(viewlast.mas_bottom).offset(10); + make.height.offset(50); + }]; + UIButton *bt = [self drwaSelectView:viewitem andtitle:[dic objectForKey:@"name"] tag:10+i]; + viewlast = viewitem; + [self.arrBtPZ addObject:bt]; + } + NSArray *arrswitch = @[@"评语",@"评分维度"]; for(int i = 0 ; i < arrswitch.count;i++) { UIView *viewitem = [[UIView alloc] init]; @@ -174,16 +218,9 @@ }]; UIButton *bt = [self drwaSelectView:viewitem andtitle:arrswitch[i] tag:i]; viewlast = viewitem; - - if(i==0) - { - self.btcbz = bt; - } - else if (i==1) - { - self.btpy = bt; - } - else if (i==2) + [bt setSelected:YES]; + [bt setUserInteractionEnabled:NO]; + if (i==1) { UILabel *lbfen = [[UILabel alloc] init]; [lbfen setText:@"0/0分"]; @@ -272,9 +309,6 @@ }]; _tableView = tableView; ///// - [self.tableView mas_updateConstraints:^(MASConstraintMaker *make) { - make.height.offset(60*5); - }]; [view mas_makeConstraints:^(MASConstraintMaker *make) { make.bottom.equalTo(tableView).offset(10); @@ -305,11 +339,6 @@ }]; [btswitch setTag:tag]; [btswitch addTarget:self action:@selector(switchAction:) forControlEvents:UIControlEventTouchUpInside]; - if(tag==2) - { - [btswitch setSelected:YES]; - [btswitch setUserInteractionEnabled:NO]; - } return btswitch; } @@ -356,6 +385,37 @@ return field; } + +-(void)setModel:(CorrectConfigModelDataItem *)model +{ + _model = model; + [self drawBottomView:self.viewbottom]; + if(model==nil)return; + + self.fieldname.text = model.name; + self.fieldnumber.text = model.score; + + NSArray *arrpz = [[[UserInfoModel shareModel] config] objectForKey:@"client.batch.correct.scene"]; + for(int i = 0 ; i < arrpz.count;i++) + { + NSDictionary *dic = arrpz[i]; + UIButton *bt = self.arrBtPZ[i]; + for(CorrectConfigModelDataItemConfigScenes *modelscenes in self.model.config.scenes) + { + if([modelscenes.name isEqualToString:[dic objectForKey:@"name"]]) + { + bt.selected = YES; + } + } + } + self.arrWdData = [NSMutableArray new]; + [self.arrWdData addObjectsFromArray:self.model.config.single_score]; + + [self.tableView reloadData]; + [self refListShow]; + [self refShowFen]; +} + -(void)refShowFen { NSString *str = self.lbfen.text; @@ -373,6 +433,20 @@ self.lbfen.attributedText = [Tools arrstring:str andstart:0 andend:(int)[arr.firstObject length] andfont:[UIFont systemFontOfSize:12] andcolor:RGBCOLOR(153, 153, 153)]; } } + +} +-(void)refListShow +{ + int fen = 0; + for(CorrectConfigModelDataItemConfigSingle_score *model in self.arrWdData) + { + fen+=model.max.intValue; + } + self.lbfen.text = [NSString stringWithFormat:@"%d/%d分",fen,self.fieldnumber.text.intValue]; + + [self.tableView mas_updateConstraints:^(MASConstraintMaker *make) { + make.height.offset(60*self.arrWdData.count); + }]; } -(void)switchAction:(UIButton *)sender @@ -381,17 +455,40 @@ } -(void)clearAction { - + [self.arrWdData removeAllObjects]; + [self.tableView reloadData]; + [self refListShow]; [self refShowFen]; } -(void)addAction { + int fen = 0; + for(CorrectConfigModelDataItemConfigSingle_score *model in self.arrWdData) + { + fen+=model.max.intValue; + } + PLPGSetListEditAddItemView *view = [[PLPGSetListEditAddItemView alloc] initWithFrame:CGRectMake(0, 0, UISCREEN_WIDTH, UISCREEN_HEIGHT)]; - view.strfenNow = @"0"; + view.strfenNow = [NSString stringWithFormat:@"%d",fen]; view.strfenBig = self.fieldnumber.text; [self.viewController.view addSubview:view]; - + [view setBackValue:^(NSString * _Nonnull strfen, NSString * _Nonnull strname) { + if(self.arrWdData==nil) + { + self.arrWdData = [NSMutableArray new]; + } + CorrectConfigModelDataItemConfigSingle_score *model = [CorrectConfigModelDataItemConfigSingle_score new]; + model.name = strname; + model.max = strfen; + [self.arrWdData addObject:model]; + [self.tableView reloadData]; + [self refListShow]; + [self refShowFen]; + dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{ + [self.scvback setContentOffset:CGPointMake(0, self.scvback.contentSize.height-self.scvback.height)]; + }); + }]; } -(void)bottomAction:(UIButton *)sender @@ -401,20 +498,84 @@ [NomoAlterView showInfo:[NSString stringWithFormat:@"是否删除自定义设置“%@”",self.fieldname.text] SelectTag:^(NSInteger tag) { if(tag==1) { - + [LoadAlterView show]; + [NetWorkManager requestDelAddCorrectConfigData:self ID:self.model.ID Callback:^(BOOL state, BaseModel *responseObject, NSString * _Nullable describle) { + [LoadAlterView dismiss]; + if(state) + { + [self.viewController.navigationController popViewControllerAnimated:YES]; + } + else + { + [HXHud showMessage:responseObject.message afterDelayType:1]; + } + }]; } }]; } else {///添加 + if(self.fieldname.text.length==0) + { + [HXHud showMessage:@"请输入备注名称" afterDelayType:0]; + return; + } + if(self.fieldnumber.text.length==0) + { + [HXHud showMessage:@"请输入评分上限" afterDelayType:0]; + return; + } + int fen = 0; + for(CorrectConfigModelDataItemConfigSingle_score *model in self.arrWdData) + { + fen+=model.max.intValue; + } + if(fen!=self.fieldnumber.text.intValue) + { + [HXHud showMessage:@"评分维度设置错误，请添加和评分上限一致的维度" afterDelayType:0]; + return; + } + NSMutableArray *arrsingle_score = [NSMutableArray new]; + for(CorrectConfigModelDataItemConfigSingle_score *model in self.arrWdData) + { + [arrsingle_score addObject:@{@"name":model.name,@"max":[NSNumber numberWithInt:model.max.intValue]}]; + } + + NSMutableDictionary *dicconfig = [NSMutableDictionary new]; + [dicconfig setObject:arrsingle_score forKey:@"single_score"]; + + NSArray *arrscenes = [[UserInfoModel shareModel].config objectForKey:@"client.batch.correct.scene"]; + NSMutableArray *arrpz = [NSMutableArray new]; + for(int i = 0 ; i < arrscenes.count;i++) + { + UIButton *bt = self.arrBtPZ[i]; + if(bt.selected) + { + [arrpz addObject:arrscenes[i]]; + } + } + [dicconfig setObject:arrpz forKey:@"scenes"]; + + [LoadAlterView show]; + [NetWorkManager requestAddCorrectConfigData:self ID:[Tools isStringnil:self.model.ID] name:self.fieldname.text is_default:self.model.is_default score:self.fieldnumber.text config:dicconfig Callback:^(BOOL state, BaseModel *responseObject, NSString * _Nullable describle) { + [LoadAlterView dismiss]; + if(state) + { + [self.viewController.navigationController popViewControllerAnimated:YES]; + } + else + { + [HXHud showMessage:responseObject.message afterDelayType:1]; + } + }]; } } #pragma mark - UITableView -(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { - return 5; + return self.arrWdData.count; } -(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { @@ -426,9 +587,12 @@ [cell setSelectionStyle:UITableViewCellSelectionStyleNone]; [cell setBackgroundColor:[UIColor clearColor]]; } - - [cell setBackValue:^{ - + cell.model = self.arrWdData[indexPath.row]; + [cell setBackValue:^(CorrectConfigModelDataItemConfigSingle_score * _Nonnull model) { + [self.arrWdData removeObject:model]; + [self.tableView reloadData]; + [self refListShow]; + [self refShowFen]; }]; return cell; @@ -455,7 +619,22 @@ } -(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { + int fen = 0; + for(CorrectConfigModelDataItemConfigSingle_score *model in self.arrWdData) + { + fen+=model.max.intValue; + } + PLPGSetListEditAddItemView *view = [[PLPGSetListEditAddItemView alloc] initWithFrame:CGRectMake(0, 0, UISCREEN_WIDTH, UISCREEN_HEIGHT)]; + view.strfenNow = [NSString stringWithFormat:@"%d",fen]; + view.strfenBig = self.fieldnumber.text; + view.modelEdit = self.arrWdData[indexPath.row]; + [self.viewController.view addSubview:view]; + [view setBackValue:^(NSString * _Nonnull strfen, NSString * _Nonnull strname) { + [self.tableView reloadData]; + [self refListShow]; + [self refShowFen]; + }]; } @end diff --git a/ProductApp/ProductApp/ProductMain/首页/自定义相机/CamreViewController.m b/ProductApp/ProductApp/ProductMain/首页/自定义相机/CamreViewController.m index 3155bd5..8478295 100644 --- a/ProductApp/ProductApp/ProductMain/首页/自定义相机/CamreViewController.m +++ b/ProductApp/ProductApp/ProductMain/首页/自定义相机/CamreViewController.m @@ -22,6 +22,7 @@ #import "ImageEditDrawViewController.h" +#import "UIImage+CamreImage.h" @interface CamreViewController () // ------------- 设备配置等 ------------- @@ -733,7 +734,8 @@ -(void)handleOriginalImage:(UIImage *)image { UIImage * fixImage; - fixImage = [self fixOrientation:image]; +// fixImage = [self fixOrientation:image]; + fixImage = [image fixOrientation]; [self.arrData addObject:fixImage]; self.viewImages.arrdata = self.arrData; [self.btnumber setTitle:[NSString stringWithFormat:@"%ld",self.arrData.count] forState:UIControlStateNormal]; diff --git a/ProductApp/ProductApp/ProductMain/首页/自定义相机/view/UIImage+CamreImage.h b/ProductApp/ProductApp/ProductMain/首页/自定义相机/view/UIImage+CamreImage.h new file mode 100644 index 0000000..a910b2a --- /dev/null +++ b/ProductApp/ProductApp/ProductMain/首页/自定义相机/view/UIImage+CamreImage.h @@ -0,0 +1,19 @@ +// +// UIImage+CamreImage.h +// ProductApp +// +// Created by 工作 on 2024/11/20. +// + +#import + +NS_ASSUME_NONNULL_BEGIN + +@interface UIImage (CamreImage) +/* + ** 此方法只在照片存入相册是调用 + */ +- (UIImage *)fixOrientation; +@end + +NS_ASSUME_NONNULL_END diff --git a/ProductApp/ProductApp/ProductMain/首页/自定义相机/view/UIImage+CamreImage.m b/ProductApp/ProductApp/ProductMain/首页/自定义相机/view/UIImage+CamreImage.m new file mode 100644 index 0000000..3e77670 --- /dev/null +++ b/ProductApp/ProductApp/ProductMain/首页/自定义相机/view/UIImage+CamreImage.m @@ -0,0 +1,92 @@ +// +// UIImage+CamreImage.m +// ProductApp +// +// Created by 工作 on 2024/11/20. +// + +#import "UIImage+CamreImage.h" + +@implementation UIImage (CamreImage) +/* + ** 此方法只在照片存入相册是调用 + */ +- (UIImage *)fixOrientation +{ + + + CGAffineTransform transform = CGAffineTransformIdentity; + + switch (self.imageOrientation) { + case UIImageOrientationDown: + case UIImageOrientationDownMirrored: + transform = CGAffineTransformTranslate(transform, self.size.width, self.size.height); + transform = CGAffineTransformRotate(transform, M_PI); + break; + + case UIImageOrientationLeft: + case UIImageOrientationLeftMirrored: + transform = CGAffineTransformTranslate(transform, self.size.width, 0); + transform = CGAffineTransformRotate(transform, M_PI_2); + break; + + case UIImageOrientationRight: + case UIImageOrientationRightMirrored: + transform = CGAffineTransformTranslate(transform, 0, self.size.height); + transform = CGAffineTransformRotate(transform, -M_PI_2); + break; + case UIImageOrientationUp: + case UIImageOrientationUpMirrored: + transform = CGAffineTransformTranslate(transform, 0, self.size.height); + transform = CGAffineTransformRotate(transform, -M_PI_2); + break; + default: + break; + } + + switch (self.imageOrientation) { + case UIImageOrientationUpMirrored: + transform = CGAffineTransformTranslate(transform, self.size.height, 0); + transform = CGAffineTransformScale(transform, -1, 1); + break; + + case UIImageOrientationDownMirrored: + transform = CGAffineTransformTranslate(transform, self.size.width, 0); + transform = CGAffineTransformScale(transform, -1, 1); + break; + + case UIImageOrientationLeftMirrored: + case UIImageOrientationRightMirrored: + transform = CGAffineTransformTranslate(transform, self.size.height, 0); + transform = CGAffineTransformScale(transform, -1, 1); + break; + default: + break; + } + + CGContextRef ctx = CGBitmapContextCreate(NULL, self.size.width, self.size.height, + CGImageGetBitsPerComponent(self.CGImage), 0, + CGImageGetColorSpace(self.CGImage), + CGImageGetBitmapInfo(self.CGImage)); + CGContextConcatCTM(ctx, transform); + switch (self.imageOrientation) { + case UIImageOrientationLeft: + case UIImageOrientationLeftMirrored: + case UIImageOrientationUpMirrored: + case UIImageOrientationUp: + case UIImageOrientationRight: + case UIImageOrientationRightMirrored: + CGContextDrawImage(ctx, CGRectMake(0,0,self.size.height,self.size.width), self.CGImage); + break; + default: + CGContextDrawImage(ctx, CGRectMake(0,0,self.size.width,self.size.height), self.CGImage); + break; + } + CGImageRef cgimg = CGBitmapContextCreateImage(ctx); + UIImage *img = [UIImage imageWithCGImage:cgimg]; + CGContextRelease(ctx); + CGImageRelease(cgimg); + return img; +} + +@end