VK_KHR_video_decode_h264
Other Extension Metadata
Last Modified Date
2023-12-05
IP Status
No known IP claims.
Contributors
- Ahmed Abdelkhalek, AMD
- Chunbo Chen, Intel
- HoHin Lau, AMD
- Jake Beju, AMD
- Peter Fang, AMD
- Ping Liu, Intel
- Srinath Kumarapuram, NVIDIA
- Tony Zlatinski, NVIDIA
- Daniel Rakos, RasterGrid
Description
This extension builds upon the VK_KHR_video_decode_queue extension by adding support for decoding elementary video stream sequences compliant with the H.264/AVC video compression standard.
This extension was promoted to KHR
from the provisional extension
VK_EXT_video_decode_h264
.
New Structures
- Extending VkVideoCapabilitiesKHR:
- Extending VkVideoDecodeInfoKHR:
- Extending VkVideoProfileInfoKHR, VkQueryPoolCreateInfo:
- Extending VkVideoReferenceSlotInfoKHR:
- Extending VkVideoSessionParametersCreateInfoKHR:
- Extending VkVideoSessionParametersUpdateInfoKHR:
New Enums
New Bitmasks
New Enum Constants
VK_KHR_VIDEO_DECODE_H264_EXTENSION_NAME
VK_KHR_VIDEO_DECODE_H264_SPEC_VERSION
- Extending VkStructureType:
VK_STRUCTURE_TYPE_VIDEO_DECODE_H264_CAPABILITIES_KHR
VK_STRUCTURE_TYPE_VIDEO_DECODE_H264_DPB_SLOT_INFO_KHR
VK_STRUCTURE_TYPE_VIDEO_DECODE_H264_PICTURE_INFO_KHR
VK_STRUCTURE_TYPE_VIDEO_DECODE_H264_PROFILE_INFO_KHR
VK_STRUCTURE_TYPE_VIDEO_DECODE_H264_SESSION_PARAMETERS_ADD_INFO_KHR
VK_STRUCTURE_TYPE_VIDEO_DECODE_H264_SESSION_PARAMETERS_CREATE_INFO_KHR
- Extending VkVideoCodecOperationFlagBitsKHR:
VK_VIDEO_CODEC_OPERATION_DECODE_H264_BIT_KHR
Version History
- Revision 1, 2018-6-11 (Peter Fang)
- Initial draft
- Revision 2, March 29 2021 (Tony Zlatinski)
- Spec and API Updates
- Revision 3, August 1 2021 (Srinath Kumarapuram)
- Rename
VkVideoDecodeH264FieldLayoutFlagsEXT
toVkVideoDecodeH264PictureLayoutFlagsEXT
,VkVideoDecodeH264FieldLayoutFlagBitsEXT
toVkVideoDecodeH264PictureLayoutFlagBitsEXT
(along with the names of enumerants it defines), andVkVideoDecodeH264ProfileEXT.fieldLayout
toVkVideoDecodeH264ProfileEXT.pictureLayout
, following Vulkan naming conventions.
- Rename
- Revision 4, 2022-03-16 (Ahmed Abdelkhalek)
- Relocate Std header version reporting/requesting from this extension to VK_KHR_video_queue extension.
- Remove the now empty VkVideoDecodeH264SessionCreateInfoEXT.
- Revision 5, 2022-03-31 (Ahmed Abdelkhalek)
- Use type StdVideoH264Level for VkVideoDecodeH264Capabilities.maxLevel
- Revision 6, 2022-08-09 (Daniel Rakos)
- Rename
VkVideoDecodeH264ProfileEXT
toVkVideoDecodeH264ProfileInfoEXT
- Rename
VkVideoDecodeH264MvcEXT
toVkVideoDecodeH264MvcInfoEXT
- Rename
- Revision 7, 2022-09-18 (Daniel Rakos)
- Change type of
VkVideoDecodeH264ProfileInfoEXT::pictureLayout
toVkVideoDecodeH264PictureLayoutFlagBitsEXT
- Remove MVC support and related
VkVideoDecodeH264MvcInfoEXT
structure - Rename
spsStdCount
,pSpsStd
,ppsStdCount
, andpPpsStd
tostdSPSCount
,pStdSPSs
,stdPPSCount
, andpStdPPSs
, respectively, inVkVideoDecodeH264SessionParametersAddInfoEXT
- Rename
maxSpsStdCount
andmaxPpsStdCount
tomaxStdSPSCount
andmaxStdPPSCount
, respectively, inVkVideoDecodeH264SessionParametersCreateInfoEXT
- Rename
slicesCount
andpSlicesDataOffsets
tosliceCount
andpSliceOffsets
, respectively, inVkVideoDecodeH264PictureInfoEXT
- Change type of
- Revision 8, 2022-09-29 (Daniel Rakos)
- Change extension from
EXT
toKHR
- Extension is no longer provisional
- Change extension from
- Revision 9, 2023-12-05 (Daniel Rakos)
- Condition reference picture setup based on the value of
StdVideoDecodeH264PictureInfo::flags.is_reference
- Condition reference picture setup based on the value of