Registered Extension Number

40

Revision

7

Extension and Version Dependencies

  • Requires Vulkan 1.0

  • Requires 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

2022-03-24

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

Description

This extension allows applications to compress a raw video sequence by using 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_EMIT_PICTURE_PARAMETERS_EXT

    • VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_NALU_SLICE_SEGMENT_EXT

    • VK_STRUCTURE_TYPE_VIDEO_ENCODE_H265_PROFILE_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_REFERENCE_LISTS_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.

See Also

VkVideoEncodeH265CapabilitiesEXT, VkVideoEncodeH265CapabilityFlagBitsEXT, VkVideoEncodeH265CapabilityFlagsEXT, VkVideoEncodeH265CtbSizeFlagBitsEXT, VkVideoEncodeH265CtbSizeFlagsEXT, VkVideoEncodeH265DpbSlotInfoEXT, VkVideoEncodeH265EmitPictureParametersEXT, VkVideoEncodeH265FrameSizeEXT, VkVideoEncodeH265InputModeFlagBitsEXT, VkVideoEncodeH265InputModeFlagsEXT, VkVideoEncodeH265NaluSliceSegmentEXT, VkVideoEncodeH265OutputModeFlagBitsEXT, VkVideoEncodeH265OutputModeFlagsEXT, VkVideoEncodeH265ProfileEXT, VkVideoEncodeH265QpEXT, VkVideoEncodeH265RateControlInfoEXT, VkVideoEncodeH265RateControlLayerInfoEXT, VkVideoEncodeH265RateControlStructureFlagBitsEXT, VkVideoEncodeH265RateControlStructureFlagsEXT, VkVideoEncodeH265ReferenceListsEXT, 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 2014-2022 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0