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Fix video color space conversion

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This commit is contained in:
Ilya Laktyushin 2020-12-11 17:34:58 +04:00
parent 0f9e8cdf5b
commit 57e9aa8123
1 changed files with 29 additions and 4 deletions
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33
submodules/LegacyComponents/Sources/TGMediaVideoConverter.m
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@ -528,7 +528,18 @@
videoComposition.animationTool = [AVVideoCompositionCoreAnimationTool videoCompositionCoreAnimationToolWithPostProcessingAsVideoLayer:videoLayer inLayer:parentLayer];
}
AVAssetReaderVideoCompositionOutput *output = [[AVAssetReaderVideoCompositionOutput alloc] initWithVideoTracks:[composition tracksWithMediaType:AVMediaTypeVideo] videoSettings:@{ (id)kCVPixelBufferPixelFormatTypeKey: @(kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange) }];
NSDictionary *settings = [TGMediaVideoConversionPresetSettings videoSettingsForPreset:preset dimensions:outputDimensions];
*outputSettings = settings;
*dimensions = outputDimensions;
NSMutableDictionary *videoSettings = [[NSMutableDictionary alloc] init];
videoSettings[(id)kCVPixelBufferPixelFormatTypeKey] = @(kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange);
#if TARGET_IPHONE_SIMULATOR
#else
videoSettings[AVVideoColorPropertiesKey] = settings[AVVideoColorPropertiesKey];
#endif
AVAssetReaderVideoCompositionOutput *output = [[AVAssetReaderVideoCompositionOutput alloc] initWithVideoTracks:[composition tracksWithMediaType:AVMediaTypeVideo] videoSettings:videoSettings];
output.videoComposition = videoComposition;
AVAssetImageGenerator *imageGenerator = [[AVAssetImageGenerator alloc] initWithAsset:composition];
@ -543,9 +554,6 @@
return [context addImageGenerator:imageGenerator];
}];
*outputSettings = [TGMediaVideoConversionPresetSettings videoSettingsForPreset:preset dimensions:outputDimensions];
*dimensions = outputDimensions;
return output;
}
@ -1315,6 +1323,14 @@ static CGFloat progressOfSampleBufferInTimeRange(CMSampleBufferRef sampleBuffer,
AVVideoPixelAspectRatioKey: videoAspectRatioSettings
};
NSDictionary *hdVideoProperties = @
{
AVVideoColorPrimariesKey: AVVideoColorPrimaries_ITU_R_709_2,
AVVideoTransferFunctionKey: AVVideoTransferFunction_ITU_R_709_2,
AVVideoYCbCrMatrixKey: AVVideoYCbCrMatrix_ITU_R_709_2,
};
#if TARGET_IPHONE_SIMULATOR
return @
{
AVVideoCodecKey: AVVideoCodecH264,
@ -1322,6 +1338,15 @@ static CGFloat progressOfSampleBufferInTimeRange(CMSampleBufferRef sampleBuffer,
AVVideoWidthKey: @((NSInteger)dimensions.width),
AVVideoHeightKey: @((NSInteger)dimensions.height)
};
#endif
return @
{
AVVideoCodecKey: AVVideoCodecH264,
AVVideoCompressionPropertiesKey: codecSettings,
AVVideoWidthKey: @((NSInteger)dimensions.width),
AVVideoHeightKey: @((NSInteger)dimensions.height),
AVVideoColorPropertiesKey: hdVideoProperties
};
}
+ (NSInteger)_videoBitrateKbpsForPreset:(TGMediaVideoConversionPreset)preset