Registered Extension Number

40

Revision

10

Extension and Version Dependencies

VK_KHR_video_encode_queue

  • This is a provisional extension and must be used with caution. See the description of provisional header files for enablement and stability details.

Contact

Other Extension Metadata

Last Modified Date

2023-03-06

IP Status

No known IP claims.

Contributors

  • Ahmed Abdelkhalek, AMD

  • George Hao, AMD

  • Jake Beju, AMD

  • Chunbo Chen, Intel

  • Ping Liu, Intel

  • Srinath Kumarapuram, NVIDIA

  • Tony Zlatinski, NVIDIA

  • Daniel Rakos, RasterGrid

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

New Enums

New Bitmasks

New Enum Constants

  • VK_EXT_VIDEO_ENCODE_H265_EXTENSION_NAME

  • VK_EXT_VIDEO_ENCODE_H265_SPEC_VERSION

  • Extending VkStructureType:

    • VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_CAPABILITIES_EXT

    • VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_DPB_SLOT_INFO_EXT

    • VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_NALU_SLICE_SEGMENT_INFO_EXT

    • VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_PROFILE_INFO_EXT

    • VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_RATE_CONTROL_INFO_EXT

    • VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_RATE_CONTROL_LAYER_INFO_EXT

    • VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_SESSION_PARAMETERS_ADD_INFO_EXT

    • VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_SESSION_PARAMETERS_CREATE_INFO_EXT

    • VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_VCL_FRAME_INFO_EXT

  • Extending VkVideoCodecOperationFlagBitsKHR:

    • VK_VIDEO_CODEC_OPERATION_ENCODE_H265_BIT_EXT

Version History

  • Revision 0, 2019-11-14 (Ahmed Abdelkhalek)

    • Initial draft

  • Revision 0.5, 2020-02-13 (Tony Zlatinski)

    • General Spec cleanup

    • Added DPB structures

    • Change the VCL frame encode structure

    • Added a common Non-VCL Picture Paramarameters structure

  • Revision 2, Oct 10 2021 (Srinath Kumarapuram)

    • Vulkan Video Encode h.265 update and spec edits

  • Revision 3, 2021-12-08 (Ahmed Abdelkhalek)

    • Rate control updates

  • Revision 4, 2022-01-11 (Ahmed Abdelkhalek)

    • Replace occurrences of “slice” by “slice segment” and rename structures/enums to reflect this.

  • Revision 5, 2022-02-10 (Ahmed Abdelkhalek)

    • Updates to encode capability interface

  • Revision 6, 2022-03-16 (Ahmed Abdelkhalek)

    • Relocate Std header version reporting/requesting from this extension to VK_KHR_video_queue extension.

    • Remove the now empty VkVideoEncodeH265SessionCreateInfoEXT.

  • Revision 7, 2022-03-24 (Ahmed Abdelkhalek)

    • Add capability flags to report support to disable transform skip and support to use B frame in L1 reference list.

  • Revision 8, 2022-07-18 (Daniel Rakos)

    • Replace VkVideoEncodeH265RateControlStructureFlagBitsEXT bit enum with VkVideoEncodeH265RateControlStructureEXT enum

    • Rename VkVideoEncodeH265ProfileEXT to VkVideoEncodeH265ProfileInfoEXT

    • Rename VkVideoEncodeH265ReferenceListsEXT to VkVideoEncodeH265ReferenceListsInfoEXT

    • Rename VkVideoEncodeH265EmitPictureParametersEXT to VkVideoEncodeH265EmitPictureParametersInfoEXT

    • Rename VkVideoEncodeH265NaluSliceSegmentEXT to VkVideoEncodeH265NaluSliceSegmentInfoEXT

  • Revision 9, 2022-09-18 (Daniel Rakos)

    • Rename vpsStdCount, pVpsStd, spsStdCount, pSpsStd, ppsStdCount, and pPpsStd to stdVPSCount, pStdVPSs, stdSPSCount, pStdSPSs, stdPPSCount, and pStdPPSs, respectively, in VkVideoEncodeH265SessionParametersAddInfoEXT

    • Rename maxVpsStdCount, maxSpsStdCount, and maxPpsStdCount to maxStdVPSCount, maxStdSPSCount and maxStdPPSCount, respectively, in VkVideoEncodeH265SessionParametersCreateInfoEXT

  • Revision 10, 2023-03-06 (Daniel Rakos)

    • Removed VkVideoEncodeH265EmitPictureParametersInfoEXT

    • Changed member types in VkVideoEncodeH265CapabilitiesEXT and VkVideoEncodeH265ReferenceListsInfoEXT from uint8_t to uint32_t

    • Changed the type of VkVideoEncodeH265RateControlInfoEXT::subLayerCount and VkVideoEncodeH264RateControlLayerInfoEXT::temporalId from uint8_t to uint32_t

    • Removed VkVideoEncodeH265InputModeFlagsEXT and VkVideoEncodeH265OutputModeFlagsEXT as we only support frame-in-frame-out mode for now

    • Rename pCurrentPictureInfo in VkVideoEncodeH265VclFrameInfoEXT to pStdPictureInfo

    • Rename pSliceSegmentHeaderStd in VkVideoEncodeH265NaluSliceInfoEXT to pStdSliceSegmentHeader

    • Rename pReferenceFinalLists in VkVideoEncodeH264VclFrameInfoEXT and VkVideoEncodeH264NaluSliceInfoEXT to pStdReferenceFinalLists

    • Removed the slotIndex member of VkVideoEncodeH265DpbSlotInfoEXT and changed it to be chained to VkVideoReferenceSlotInfoKHR

    • Replaced VkVideoEncodeH265ReferenceListsInfoEXT with the new Video Std header structure StdVideoEncodeH265ReferenceLists

    • Added new capability flag VK_VIDEO_ENCODE_H265_CAPABILITY_DIFFERENT_REFERENCE_FINAL_LISTS_BIT_EXT

See Also

VkVideoEncodeH265CapabilitiesEXT, VkVideoEncodeH265CapabilityFlagBitsEXT, VkVideoEncodeH265CapabilityFlagsEXT, VkVideoEncodeH265CtbSizeFlagBitsEXT, VkVideoEncodeH265CtbSizeFlagsEXT, VkVideoEncodeH265DpbSlotInfoEXT, VkVideoEncodeH265FrameSizeEXT, VkVideoEncodeH265NaluSliceSegmentInfoEXT, VkVideoEncodeH265ProfileInfoEXT, VkVideoEncodeH265QpEXT, VkVideoEncodeH265RateControlInfoEXT, VkVideoEncodeH265RateControlLayerInfoEXT, VkVideoEncodeH265RateControlStructureEXT, VkVideoEncodeH265SessionParametersAddInfoEXT, VkVideoEncodeH265SessionParametersCreateInfoEXT, VkVideoEncodeH265TransformBlockSizeFlagBitsEXT, VkVideoEncodeH265TransformBlockSizeFlagsEXT, VkVideoEncodeH265VclFrameInfoEXT

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.

Copyright

Copyright 2014-2023 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0