Other Extension Metadata
- Last Modified Date
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2023-12-05 
- IP Status
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No known IP claims. 
- Contributors
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Ahmed Abdelkhalek, AMD 
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Chunbo Chen, Intel 
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HoHin Lau, AMD 
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Jake Beju, AMD 
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Peter Fang, AMD 
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Ping Liu, Intel 
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Srinath Kumarapuram, NVIDIA 
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Tony Zlatinski, NVIDIA 
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Daniel Rakos, RasterGrid 
 
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Description
This extension builds upon the VK_KHR_video_decode_queue extension
by adding support for decoding elementary video stream sequences compliant
with the H.264/AVC video compression standard.
| Note | This extension was promoted to  | 
New Structures
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Extending VkVideoCapabilitiesKHR: 
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Extending VkVideoDecodeInfoKHR: 
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Extending VkVideoProfileInfoKHR, VkQueryPoolCreateInfo: 
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Extending VkVideoReferenceSlotInfoKHR: 
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Extending VkVideoSessionParametersCreateInfoKHR: 
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Extending VkVideoSessionParametersUpdateInfoKHR: 
New Enum Constants
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VK_KHR_VIDEO_DECODE_H264_EXTENSION_NAME
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VK_KHR_VIDEO_DECODE_H264_SPEC_VERSION
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Extending VkStructureType: - 
VK_STRUCTURE_TYPE_VIDEO_DECODE_H264_CAPABILITIES_KHR
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VK_STRUCTURE_TYPE_VIDEO_DECODE_H264_DPB_SLOT_INFO_KHR
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VK_STRUCTURE_TYPE_VIDEO_DECODE_H264_PICTURE_INFO_KHR
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VK_STRUCTURE_TYPE_VIDEO_DECODE_H264_PROFILE_INFO_KHR
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VK_STRUCTURE_TYPE_VIDEO_DECODE_H264_SESSION_PARAMETERS_ADD_INFO_KHR
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VK_STRUCTURE_TYPE_VIDEO_DECODE_H264_SESSION_PARAMETERS_CREATE_INFO_KHR
 
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Extending VkVideoCodecOperationFlagBitsKHR: - 
VK_VIDEO_CODEC_OPERATION_DECODE_H264_BIT_KHR
 
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Version History
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Revision 1, 2018-6-11 (Peter Fang) - 
Initial draft 
 
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Revision 2, March 29 2021 (Tony Zlatinski) - 
Spec and API Updates 
 
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Revision 3, August 1 2021 (Srinath Kumarapuram) - 
Rename VkVideoDecodeH264FieldLayoutFlagsEXTtoVkVideoDecodeH264PictureLayoutFlagsEXT,VkVideoDecodeH264FieldLayoutFlagBitsEXTtoVkVideoDecodeH264PictureLayoutFlagBitsEXT(along with the names of enumerants it defines), andVkVideoDecodeH264ProfileEXT.fieldLayouttoVkVideoDecodeH264ProfileEXT.pictureLayout, following Vulkan naming conventions.
 
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Revision 4, 2022-03-16 (Ahmed Abdelkhalek) - 
Relocate Std header version reporting/requesting from this extension to VK_KHR_video_queue extension. 
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Remove the now empty VkVideoDecodeH264SessionCreateInfoEXT. 
 
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Revision 5, 2022-03-31 (Ahmed Abdelkhalek) - 
Use type StdVideoH264Level for VkVideoDecodeH264Capabilities.maxLevel 
 
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Revision 6, 2022-08-09 (Daniel Rakos) - 
Rename VkVideoDecodeH264ProfileEXTtoVkVideoDecodeH264ProfileInfoEXT
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Rename VkVideoDecodeH264MvcEXTtoVkVideoDecodeH264MvcInfoEXT
 
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Revision 7, 2022-09-18 (Daniel Rakos) - 
Change type of VkVideoDecodeH264ProfileInfoEXT::pictureLayouttoVkVideoDecodeH264PictureLayoutFlagBitsEXT
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Remove MVC support and related VkVideoDecodeH264MvcInfoEXTstructure
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Rename spsStdCount,pSpsStd,ppsStdCount, andpPpsStdtostdSPSCount,pStdSPSs,stdPPSCount, andpStdPPSs, respectively, inVkVideoDecodeH264SessionParametersAddInfoEXT
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Rename maxSpsStdCountandmaxPpsStdCounttomaxStdSPSCountandmaxStdPPSCount, respectively, inVkVideoDecodeH264SessionParametersCreateInfoEXT
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Rename slicesCountandpSlicesDataOffsetstosliceCountandpSliceOffsets, respectively, inVkVideoDecodeH264PictureInfoEXT
 
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Revision 8, 2022-09-29 (Daniel Rakos) - 
Change extension from EXTtoKHR
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Extension is no longer provisional 
 
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Revision 9, 2023-12-05 (Daniel Rakos) - 
Condition reference picture setup based on the value of StdVideoDecodeH264PictureInfo::flags.is_reference
 
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Document Notes
For more information, see the Vulkan Specification
This page is a generated document. Fixes and changes should be made to the generator scripts, not directly.