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

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 2014-2022 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0