Extension and Version Dependencies
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This is a provisional extension and must be used with caution. See the description of provisional header files for enablement and stability details.
Contact
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Ahmed Abdelkhalek aabdelkh
Other Extension Metadata
- Last Modified Date
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2023-03-06
- IP Status
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No known IP claims.
- Contributors
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Ahmed Abdelkhalek, AMD
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George Hao, 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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Yang Liu, AMD
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Daniel Rakos, RasterGrid
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Description
This extension builds upon the VK_KHR_video_encode_queue
extension
by adding support for encoding elementary video stream sequences compliant
with the H.264/AVC video compression standard.
New Structures
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Extending VkVideoCapabilitiesKHR:
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Extending VkVideoCodingControlInfoKHR:
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Extending VkVideoCodingControlInfoKHR, VkVideoEncodeRateControlLayerInfoKHR:
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Extending VkVideoEncodeInfoKHR:
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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_EXT_VIDEO_ENCODE_H264_EXTENSION_NAME
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VK_EXT_VIDEO_ENCODE_H264_SPEC_VERSION
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Extending VkStructureType:
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_CAPABILITIES_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_DPB_SLOT_INFO_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_NALU_SLICE_INFO_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_PROFILE_INFO_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_RATE_CONTROL_INFO_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_RATE_CONTROL_LAYER_INFO_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_SESSION_PARAMETERS_ADD_INFO_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_SESSION_PARAMETERS_CREATE_INFO_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H264_VCL_FRAME_INFO_EXT
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Extending VkVideoCodecOperationFlagBitsKHR:
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VK_VIDEO_CODEC_OPERATION_ENCODE_H264_BIT_EXT
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Version History
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Revision 0, 2018-7-23 (Ahmed Abdelkhalek)
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Initial draft
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Revision 0.5, 2020-02-13 (Tony Zlatinski)
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General Spec cleanup
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Added DPB structures
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Change the VCL frame encode structure
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Added a common Non-VCL Picture Paramarameters structure
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Revision 1, 2021-03-29 (Tony Zlatinski)
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Spec and API updates
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Revision 2, August 1 2021 (Srinath Kumarapuram)
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Rename
VkVideoEncodeH264CapabilitiesFlagsEXT
toVkVideoEncodeH264CapabilityFlagsEXT
andVkVideoEncodeH264CapabilitiesFlagsEXT
toVkVideoEncodeH264CapabilityFlagsEXT
, following Vulkan naming conventions.
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Revision 3, 2021-12-08 (Ahmed Abdelkhalek)
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Rate control updates
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Revision 4, 2022-02-04 (Ahmed Abdelkhalek)
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Align VkVideoEncodeH264VclFrameInfoEXT structure to similar one in VK_EXT_video_encode_h265 extension
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Revision 5, 2022-02-10 (Ahmed Abdelkhalek)
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Updates to encode capability interface
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Revision 6, 2022-03-16 (Ahmed Abdelkhalek)
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Relocate Std header version reporting/requesting from this extension to VK_KHR_video_queue extension.
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Remove redundant maxPictureSizeInMbs from VkVideoEncodeH264SessionCreateInfoEXT.
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Remove the now empty VkVideoEncodeH264SessionCreateInfoEXT.
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Revision 7, 2022-04-06 (Ahmed Abdelkhalek)
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Add capability flag to report support to use B frame in L1 reference list.
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Add capability flag to report support for disabling SPS direct_8x8_inference_flag.
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Revision 8, 2022-07-18 (Daniel Rakos)
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Replace
VkVideoEncodeH264RateControlStructureFlagBitsEXT
bit enum withVkVideoEncodeH264RateControlStructureEXT
enum -
Rename
VkVideoEncodeH264ProfileEXT
toVkVideoEncodeH264ProfileInfoEXT
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Rename
VkVideoEncodeH264ReferenceListsEXT
toVkVideoEncodeH264ReferenceListsInfoEXT
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Rename
VkVideoEncodeH264EmitPictureParametersEXT
toVkVideoEncodeH264EmitPictureParametersInfoEXT
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Rename
VkVideoEncodeH264NaluSliceEXT
toVkVideoEncodeH264NaluSliceInfoEXT
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Revision 9, 2022-09-18 (Daniel Rakos)
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Rename
spsStdCount
,pSpsStd
,ppsStdCount
, andpPpsStd
tostdSPSCount
,pStdSPSs
,stdPPSCount
, andpStdPPSs
, respectively, inVkVideoEncodeH264SessionParametersAddInfoEXT
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Rename
maxSpsStdCount
andmaxPpsStdCount
tomaxStdSPSCount
andmaxStdPPSCount
, respectively, inVkVideoEncodeH264SessionParametersCreateInfoEXT
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Revision 10, 2023-03-06 (Daniel Rakos)
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Removed
VkVideoEncodeH264EmitPictureParametersInfoEXT
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Changed member types in
VkVideoEncodeH264CapabilitiesEXT
andVkVideoEncodeH264ReferenceListsInfoEXT
fromuint8_t
touint32_t
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Changed the type of
VkVideoEncodeH264RateControlInfoEXT::temporalLayerCount
andVkVideoEncodeH264RateControlLayerInfoEXT::temporalLayerId
fromuint8_t
touint32_t
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Removed
VkVideoEncodeH264InputModeFlagsEXT
andVkVideoEncodeH264OutputModeFlagsEXT
as we only support frame-in-frame-out mode for now -
Rename
pCurrentPictureInfo
inVkVideoEncodeH264VclFrameInfoEXT
topStdPictureInfo
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Rename
pSliceHeaderStd
inVkVideoEncodeH264NaluSliceInfoEXT
topStdSliceHeader
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Rename
pReferenceFinalLists
inVkVideoEncodeH264VclFrameInfoEXT
andVkVideoEncodeH264NaluSliceInfoEXT
topStdReferenceFinalLists
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Removed the
slotIndex
member ofVkVideoEncodeH264DpbSlotInfoEXT
and changed it to be chained toVkVideoReferenceSlotInfoKHR
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Replaced
VkVideoEncodeH264ReferenceListsInfoEXT
with the new Video Std header structureStdVideoEncodeH264ReferenceLists
that also includes data previously part of the now removedStdVideoEncodeH264RefMemMgmtCtrlOperations
structure -
Added new capability flag
VK_VIDEO_ENCODE_H264_CAPABILITY_DIFFERENT_REFERENCE_FINAL_LISTS_BIT_EXT
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See Also
VkVideoEncodeH264CapabilitiesEXT, VkVideoEncodeH264CapabilityFlagBitsEXT, VkVideoEncodeH264CapabilityFlagsEXT, VkVideoEncodeH264DpbSlotInfoEXT, VkVideoEncodeH264FrameSizeEXT, VkVideoEncodeH264NaluSliceInfoEXT, VkVideoEncodeH264ProfileInfoEXT, VkVideoEncodeH264QpEXT, VkVideoEncodeH264RateControlInfoEXT, VkVideoEncodeH264RateControlLayerInfoEXT, VkVideoEncodeH264RateControlStructureEXT, VkVideoEncodeH264SessionParametersAddInfoEXT, VkVideoEncodeH264SessionParametersCreateInfoEXT, VkVideoEncodeH264VclFrameInfoEXT
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.