VK_KHR_video_encode_av1(3)

# VK_KHR_video_encode_av1(3) Manual Page

## Name

VK_KHR_video_encode_av1 - device extension

## Registered Extension Number

514

## Revision

1

## Ratification Status

Ratified

## Extension and Version Dependencies

VK_KHR_video_encode_queue

## Contact

- Daniel Rakos [GitHub]aqnuep

## Extension Proposal

VK_KHR_video_encode_av1

## Other Extension Metadata

Last Modified Date

  2024-09-23

IP Status

  No known IP claims.

Contributors

  - Ahmed Abdelkhalek, AMD

  - Benjamin Cheng, AMD

  - Ho Hin Lau, AMD

  - Lynne Iribarren, Independent

  - David Airlie, Red Hat, Inc.

  - Ping Liu, Intel

  - Srinath Kumarapuram, NVIDIA

  - Vassili Nikolaev, NVIDIA

  - Tony Zlatinski, NVIDIA

  - Konda Raju, NVIDIA

  - Charlie Turner, Igalia

  - Daniel Almeida, Collabora

  - Nicolas Dufresne, Collabora

  - 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 AV1 video compression standard.

## New Structures

- VkVideoEncodeAV1FrameSizeKHR

- VkVideoEncodeAV1QIndexKHR

- Extending VkPhysicalDeviceFeatures2, VkDeviceCreateInfo:

  - VkPhysicalDeviceVideoEncodeAV1FeaturesKHR

- Extending VkVideoBeginCodingInfoKHR:

  - VkVideoEncodeAV1GopRemainingFrameInfoKHR

- Extending VkVideoCapabilitiesKHR:

  - VkVideoEncodeAV1CapabilitiesKHR

- Extending VkVideoCodingControlInfoKHR, VkVideoBeginCodingInfoKHR:

  - VkVideoEncodeAV1RateControlInfoKHR

- Extending VkVideoEncodeInfoKHR:

  - VkVideoEncodeAV1PictureInfoKHR

- Extending VkVideoEncodeQualityLevelPropertiesKHR:

  - VkVideoEncodeAV1QualityLevelPropertiesKHR

- Extending VkVideoEncodeRateControlLayerInfoKHR:

  - VkVideoEncodeAV1RateControlLayerInfoKHR

- Extending VkVideoProfileInfoKHR, VkQueryPoolCreateInfo:

  - VkVideoEncodeAV1ProfileInfoKHR

- Extending VkVideoReferenceSlotInfoKHR:

  - VkVideoEncodeAV1DpbSlotInfoKHR

- Extending VkVideoSessionCreateInfoKHR:

  - VkVideoEncodeAV1SessionCreateInfoKHR

- Extending VkVideoSessionParametersCreateInfoKHR:

  - VkVideoEncodeAV1SessionParametersCreateInfoKHR

## New Enums

- VkVideoEncodeAV1CapabilityFlagBitsKHR

- VkVideoEncodeAV1PredictionModeKHR

- VkVideoEncodeAV1RateControlFlagBitsKHR

- VkVideoEncodeAV1RateControlGroupKHR

- VkVideoEncodeAV1StdFlagBitsKHR

- VkVideoEncodeAV1SuperblockSizeFlagBitsKHR

## New Bitmasks

- VkVideoEncodeAV1CapabilityFlagsKHR

- VkVideoEncodeAV1RateControlFlagsKHR

- VkVideoEncodeAV1StdFlagsKHR

- VkVideoEncodeAV1SuperblockSizeFlagsKHR

## New Enum Constants

- `VK_KHR_VIDEO_ENCODE_AV1_EXTENSION_NAME`

- `VK_KHR_VIDEO_ENCODE_AV1_SPEC_VERSION`

- VK_MAX_VIDEO_AV1_REFERENCES_PER_FRAME_KHR

- Extending VkStructureType:

  - VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VIDEO_ENCODE_AV1_FEATURES_KHR

  - VK_STRUCTURE_TYPE_VIDEO_ENCODE_AV1_CAPABILITIES_KHR

  - VK_STRUCTURE_TYPE_VIDEO_ENCODE_AV1_DPB_SLOT_INFO_KHR

  - VK_STRUCTURE_TYPE_VIDEO_ENCODE_AV1_GOP_REMAINING_FRAME_INFO_KHR

  - VK_STRUCTURE_TYPE_VIDEO_ENCODE_AV1_PICTURE_INFO_KHR

  - VK_STRUCTURE_TYPE_VIDEO_ENCODE_AV1_PROFILE_INFO_KHR

  - VK_STRUCTURE_TYPE_VIDEO_ENCODE_AV1_QUALITY_LEVEL_PROPERTIES_KHR

  - VK_STRUCTURE_TYPE_VIDEO_ENCODE_AV1_RATE_CONTROL_INFO_KHR

  - VK_STRUCTURE_TYPE_VIDEO_ENCODE_AV1_RATE_CONTROL_LAYER_INFO_KHR

  - VK_STRUCTURE_TYPE_VIDEO_ENCODE_AV1_SESSION_CREATE_INFO_KHR

  - VK_STRUCTURE_TYPE_VIDEO_ENCODE_AV1_SESSION_PARAMETERS_CREATE_INFO_KHR

- Extending VkVideoCodecOperationFlagBitsKHR:

  - VK_VIDEO_CODEC_OPERATION_ENCODE_AV1_BIT_KHR

## Version History

- Revision 1, 2024-09-23 (Daniel Rakos)

  - Internal revisions

## See Also

No cross-references are available

## 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 2014-2026 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0