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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2023-07-19
- 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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Chunbo Chen, Intel
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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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Ravi Chaudhary, NVIDIA
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Daniel Rakos, RasterGrid
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Aidan Fabius, Core Avionics & Industrial Inc.
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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.265/HEVC video compression standard.
New Structures
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Extending VkVideoBeginCodingInfoKHR:
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Extending VkVideoCapabilitiesKHR:
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Extending VkVideoCodingControlInfoKHR, VkVideoBeginCodingInfoKHR:
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Extending VkVideoEncodeInfoKHR:
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Extending VkVideoEncodeQualityLevelPropertiesKHR:
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Extending VkVideoEncodeRateControlLayerInfoKHR:
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Extending VkVideoEncodeSessionParametersGetInfoKHR:
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Extending VkVideoProfileInfoKHR, VkQueryPoolCreateInfo:
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Extending VkVideoReferenceSlotInfoKHR:
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Extending VkVideoSessionCreateInfoKHR:
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Extending VkVideoSessionParametersCreateInfoKHR:
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Extending VkVideoSessionParametersUpdateInfoKHR:
New Enum Constants
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VK_EXT_VIDEO_ENCODE_H265_EXTENSION_NAME
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VK_EXT_VIDEO_ENCODE_H265_SPEC_VERSION
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Extending VkStructureType:
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_CAPABILITIES_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_DPB_SLOT_INFO_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_GOP_REMAINING_FRAME_INFO_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_NALU_SLICE_SEGMENT_INFO_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_PICTURE_INFO_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_PROFILE_INFO_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_QUALITY_LEVEL_PROPERTIES_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_RATE_CONTROL_INFO_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_RATE_CONTROL_LAYER_INFO_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_SESSION_CREATE_INFO_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_SESSION_PARAMETERS_ADD_INFO_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_SESSION_PARAMETERS_CREATE_INFO_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_SESSION_PARAMETERS_FEEDBACK_INFO_EXT
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VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_SESSION_PARAMETERS_GET_INFO_EXT
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Extending VkVideoCodecOperationFlagBitsKHR:
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VK_VIDEO_CODEC_OPERATION_ENCODE_H265_BIT_EXT
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Version History
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Revision 0, 2019-11-14 (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 2, Oct 10 2021 (Srinath Kumarapuram)
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Vulkan Video Encode h.265 update and spec edits
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Revision 3, 2021-12-08 (Ahmed Abdelkhalek)
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Rate control updates
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Revision 4, 2022-01-11 (Ahmed Abdelkhalek)
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Replace occurrences of “slice” by “slice segment” and rename structures/enums to reflect this.
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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 the now empty VkVideoEncodeH265SessionCreateInfoEXT.
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Revision 7, 2022-03-24 (Ahmed Abdelkhalek)
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Add capability flags to report support to disable transform skip and support to use B frame in L1 reference list.
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Revision 8, 2022-07-18 (Daniel Rakos)
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Replace
VkVideoEncodeH265RateControlStructureFlagBitsEXT
bit enum withVkVideoEncodeH265RateControlStructureEXT
enum -
Rename
VkVideoEncodeH265ProfileEXT
toVkVideoEncodeH265ProfileInfoEXT
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Rename
VkVideoEncodeH265ReferenceListsEXT
toVkVideoEncodeH265ReferenceListsInfoEXT
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Rename
VkVideoEncodeH265EmitPictureParametersEXT
toVkVideoEncodeH265EmitPictureParametersInfoEXT
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Rename
VkVideoEncodeH265NaluSliceSegmentEXT
toVkVideoEncodeH265NaluSliceSegmentInfoEXT
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Revision 9, 2022-09-18 (Daniel Rakos)
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Rename
vpsStdCount
,pVpsStd
,spsStdCount
,pSpsStd
,ppsStdCount
, andpPpsStd
tostdVPSCount
,pStdVPSs
,stdSPSCount
,pStdSPSs
,stdPPSCount
, andpStdPPSs
, respectively, inVkVideoEncodeH265SessionParametersAddInfoEXT
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Rename
maxVpsStdCount
,maxSpsStdCount
, andmaxPpsStdCount
tomaxStdVPSCount
,maxStdSPSCount
andmaxStdPPSCount
, respectively, inVkVideoEncodeH265SessionParametersCreateInfoEXT
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Revision 10, 2023-03-06 (Daniel Rakos)
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Removed
VkVideoEncodeH265EmitPictureParametersInfoEXT
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Changed member types in
VkVideoEncodeH265CapabilitiesEXT
andVkVideoEncodeH265ReferenceListsInfoEXT
fromuint8_t
touint32_t
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Changed the type of
VkVideoEncodeH265RateControlInfoEXT::subLayerCount
andVkVideoEncodeH264RateControlLayerInfoEXT::temporalId
fromuint8_t
touint32_t
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Removed
VkVideoEncodeH265InputModeFlagsEXT
andVkVideoEncodeH265OutputModeFlagsEXT
as we only support frame-in-frame-out mode for now -
Rename
pCurrentPictureInfo
inVkVideoEncodeH265VclFrameInfoEXT
topStdPictureInfo
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Rename
pSliceSegmentHeaderStd
inVkVideoEncodeH265NaluSliceSegmentInfoEXT
topStdSliceSegmentHeader
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Rename
pReferenceFinalLists
inVkVideoEncodeH264VclFrameInfoEXT
andVkVideoEncodeH264NaluSliceInfoEXT
topStdReferenceFinalLists
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Removed the
slotIndex
member ofVkVideoEncodeH265DpbSlotInfoEXT
and changed it to be chained toVkVideoReferenceSlotInfoKHR
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Replaced
VkVideoEncodeH265ReferenceListsInfoEXT
with the new Video Std header structureStdVideoEncodeH265ReferenceLists
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Added new capability flag
VK_VIDEO_ENCODE_H265_CAPABILITY_DIFFERENT_REFERENCE_FINAL_LISTS_BIT_EXT
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Revision 11, 2023-05-26 (Daniel Rakos)
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Renamed
VkVideoEncodeH265VclFrameInfoEXT
toVkVideoEncodeH265PictureInfoEXT
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Removed
VkVideoEncodeH265RateControlLayerInfoEXT::temporalId
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Added
expectDyadicTemporalSubLayerPattern
capability -
Added the
VkVideoEncodeH265SessionParametersGetInfoEXT
structure to identify the H.265 parameter sets to retrieve encoded parameter data for, and theVkVideoEncodeH265SessionParametersFeedbackInfoEXT
structure to retrieve H.265 parameter set override information when using the newvkGetEncodedVideoSessionParametersKHR
command -
Added
VkVideoEncodeH265NaluSliceSegmentInfoEXT::constantQp
to specify per-slice segment constant QP when rate control mode isVK_VIDEO_ENCODE_RATE_CONTROL_MODE_DISABLED_BIT_KHR
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Added
VkVideoEncodeH265QualityLevelPropertiesEXT
for retrieving H.265 specific quality level recommendations -
Replaced
VkVideoEncodeH265RateControlStructureEXT
enum with the flags typeVkVideoEncodeH265RateControlFlagsEXT
and bits defined inVkVideoEncodeH265RateControlFlagBitsEXT
and added HRD compliance flag -
Removed
useInitialRcQp
andinitialRcQp
members ofVkVideoEncodeH265RateControlLayerInfoEXT
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Added
prefersGopRemainingFrames
andrequiresGopRemainingFrames
, and the newVkVideoEncodeH265GopRemainingFrameInfoEXT
structure to allow specifying remaining frames of each type in the rate control GOP -
Renamed
maxSubLayersCount
capability tomaxSubLayerCount
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Added
maxQp
, andminQp
capabilities -
Added
maxLevelIdc
capability and newVkVideoEncodeH265SessionCreateInfoEXT
structure to specify upper bounds on the H.265 level of the produced video bitstream -
Moved capability flags specific to codec syntax restrictions from
VkVideoEncodeH265CapabilityFlagsEXT
to the newVkVideoEncodeH265StdFlagsEXT
which is now included as a separatestdSyntaxFlags
member inVkVideoEncodeH265CapabilitiesEXT
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Added
std
prefix to codec syntax capabilities inVkVideoEncodeH265CapabilitiesEXT
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Removed
VkVideoEncodeH265NaluSliceSegmentInfoEXT::ctbCount
andVK_VIDEO_ENCODE_H265_CAPABILITY_SLICE_SEGMENT_CTB_COUNT_BIT_EXT
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Replaced
VK_VIDEO_ENCODE_H265_CAPABILITY_MULTIPLE_SLICE_SEGMENTS_PER_FRAME_BIT_EXT
with the newmaxSliceSegmentCount
capability -
Added
maxTiles
capability -
Removed codec syntax min/max capabilities from
VkVideoEncodeH265CapabilitiesEXT
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Removed capability flag
VK_VIDEO_ENCODE_H265_CAPABILITY_DIFFERENT_REFERENCE_FINAL_LISTS_BIT_EXT
and removedpStdReferenceFinalLists
members from theVkVideoEncodeH265PictureInfoEXT
andVkVideoEncodeH265NaluSliceSegmentInfoEXT
structures as reference lists info is now included inpStdPictureInfo
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Added capability flag
VK_VIDEO_ENCODE_H265_CAPABILITY_B_FRAME_IN_L0_LIST_BIT_EXT
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Revision 12, 2023-07-19 (Daniel Rakos)
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Added video std capability flags
VK_VIDEO_ENCODE_H265_STD_SLICE_QP_DELTA_BIT_EXT
andVK_VIDEO_ENCODE_H265_STD_DIFFERENT_SLICE_QP_DELTA_BIT_EXT
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Fixed optionality of the array members of
VkVideoEncodeH265SessionParametersAddInfoEXT
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Fixed optionality of
VkVideoEncodeH265RateControlInfoEXT::flags
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See Also
VkVideoEncodeH265CapabilitiesEXT, VkVideoEncodeH265CapabilityFlagBitsEXT, VkVideoEncodeH265CapabilityFlagsEXT, VkVideoEncodeH265CtbSizeFlagBitsEXT, VkVideoEncodeH265CtbSizeFlagsEXT, VkVideoEncodeH265DpbSlotInfoEXT, VkVideoEncodeH265FrameSizeEXT, VkVideoEncodeH265GopRemainingFrameInfoEXT, VkVideoEncodeH265NaluSliceSegmentInfoEXT, VkVideoEncodeH265PictureInfoEXT, VkVideoEncodeH265ProfileInfoEXT, VkVideoEncodeH265QpEXT, VkVideoEncodeH265QualityLevelPropertiesEXT, VkVideoEncodeH265RateControlFlagBitsEXT, VkVideoEncodeH265RateControlFlagsEXT, VkVideoEncodeH265RateControlInfoEXT, VkVideoEncodeH265RateControlLayerInfoEXT, VkVideoEncodeH265SessionCreateInfoEXT, VkVideoEncodeH265SessionParametersAddInfoEXT, VkVideoEncodeH265SessionParametersCreateInfoEXT, VkVideoEncodeH265SessionParametersFeedbackInfoEXT, VkVideoEncodeH265SessionParametersGetInfoEXT, VkVideoEncodeH265StdFlagBitsEXT, VkVideoEncodeH265StdFlagsEXT, VkVideoEncodeH265TransformBlockSizeFlagBitsEXT, VkVideoEncodeH265TransformBlockSizeFlagsEXT
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.