content/common/gpu/media/vt.sig - Issue 491163002: Implement flushing in VTVideoDecodeAccelerator.

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Issue 491163002: Implement flushing in VTVideoDecodeAccelerator. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Address comments. Created 6 years, 2 months ago

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1 //------------------------------------------------	1 //------------------------------------------------

2 // Functions from CoreMedia.framework used in VTVideoDecodeAccelerator.	2 // Functions from CoreMedia.framework used in VTVideoDecodeAccelerator.

3 //------------------------------------------------	3 //------------------------------------------------

4 OSStatus CMBlockBufferCreateWithMemoryBlock(CFAllocatorRef structureAllocator, v oid memoryBlock, size_t blockLength, CFAllocatorRef blockAllocator, const CMBlo ckBufferCustomBlockSource customBlockSource, size_t offsetToData, size_t dataLe ngth, CMBlockBufferFlags flags, CMBlockBufferRef *newBBufOut);	4 OSStatus CMBlockBufferCreateWithMemoryBlock(CFAllocatorRef structureAllocator, v oid memoryBlock, size_t blockLength, CFAllocatorRef blockAllocator, const CMBlo ckBufferCustomBlockSource customBlockSource, size_t offsetToData, size_t dataLe ngth, CMBlockBufferFlags flags, CMBlockBufferRef *newBBufOut);

5 OSStatus CMBlockBufferReplaceDataBytes(const void *sourceBytes, CMBlockBufferRef destinationBuffer, size_t offsetIntoDestination, size_t dataLength);	5 OSStatus CMBlockBufferReplaceDataBytes(const void *sourceBytes, CMBlockBufferRef destinationBuffer, size_t offsetIntoDestination, size_t dataLength);

6 OSStatus CMSampleBufferCreate(CFAllocatorRef allocator, CMBlockBufferRef dataBuf fer, Boolean dataReady, CMSampleBufferMakeDataReadyCallback makeDataReadyCallbac k, void makeDataReadyRefcon, CMFormatDescriptionRef formatDescription, CMItemCo unt numSamples, CMItemCount numSampleTimingEntries, const CMSampleTimingInfo sa mpleTimingArray, CMItemCount numSampleSizeEntries, const size_t sampleSizeArray , CMSampleBufferRef sBufOut);	6 OSStatus CMSampleBufferCreate(CFAllocatorRef allocator, CMBlockBufferRef dataBuf fer, Boolean dataReady, CMSampleBufferMakeDataReadyCallback makeDataReadyCallbac k, void makeDataReadyRefcon, CMFormatDescriptionRef formatDescription, CMItemCo unt numSamples, CMItemCount numSampleTimingEntries, const CMSampleTimingInfo sa mpleTimingArray, CMItemCount numSampleSizeEntries, const size_t sampleSizeArray , CMSampleBufferRef sBufOut);

7 OSStatus CMVideoFormatDescriptionCreateFromH264ParameterSets(CFAllocatorRef allo cator, size_t parameterSetCount, const uint8_t const parameterSetPointers, con st size_t parameterSetSizes, int NALUnitHeaderLength, CMFormatDescriptionRef f ormatDescriptionOut);	7 OSStatus CMVideoFormatDescriptionCreateFromH264ParameterSets(CFAllocatorRef allo cator, size_t parameterSetCount, const uint8_t const parameterSetPointers, con st size_t parameterSetSizes, int NALUnitHeaderLength, CMFormatDescriptionRef f ormatDescriptionOut);

8 CMVideoDimensions CMVideoFormatDescriptionGetDimensions(CMVideoFormatDescription Ref videoDesc);	8 CMVideoDimensions CMVideoFormatDescriptionGetDimensions(CMVideoFormatDescription Ref videoDesc);

9	9

10 //------------------------------------------------	10 //------------------------------------------------

11 // Functions from VideoToolbox.framework used in VTVideoDecodeAccelerator.	11 // Functions from VideoToolbox.framework used in VTVideoDecodeAccelerator.

12 //------------------------------------------------	12 //------------------------------------------------

13 OSStatus VTDecompressionSessionCreate(CFAllocatorRef allocator, CMVideoFormatDes criptionRef videoFormatDescription, CFDictionaryRef videoDecoderSpecification, C FDictionaryRef destinationImageBufferAttributes, const VTDecompressionOutputCall backRecord outputCallback, VTDecompressionSessionRef decompressionSessionOut);	13 OSStatus VTDecompressionSessionCreate(CFAllocatorRef allocator, CMVideoFormatDes criptionRef videoFormatDescription, CFDictionaryRef videoDecoderSpecification, C FDictionaryRef destinationImageBufferAttributes, const VTDecompressionOutputCall backRecord outputCallback, VTDecompressionSessionRef decompressionSessionOut);

14 OSStatus VTDecompressionSessionDecodeFrame(VTDecompressionSessionRef session, CM SampleBufferRef sampleBuffer, VTDecodeFrameFlags decodeFlags, void sourceFrameR efCon, VTDecodeInfoFlags infoFlagsOut);	14 OSStatus VTDecompressionSessionDecodeFrame(VTDecompressionSessionRef session, CM SampleBufferRef sampleBuffer, VTDecodeFrameFlags decodeFlags, void sourceFrameR efCon, VTDecodeInfoFlags infoFlagsOut);

	15 OSStatus VTDecompressionSessionFinishDelayedFrames(VTDecompressionSessionRef ses sion);

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