VkVideoEncodeAV1StdFlagBitsKHR

Bits which may be set in VkVideoEncodeAV1CapabilitiesKHR::stdSyntaxFlags, indicating the capabilities related to the AV1 syntax elements, are:

typedef enum VkVideoEncodeAV1StdFlagBitsKHR {
    VK_VIDEO_ENCODE_AV1_STD_UNIFORM_TILE_SPACING_FLAG_SET_BIT_KHR = 0x00000001,
    VK_VIDEO_ENCODE_AV1_STD_SKIP_MODE_PRESENT_UNSET_BIT_KHR = 0x00000002,
    VK_VIDEO_ENCODE_AV1_STD_PRIMARY_REF_FRAME_BIT_KHR = 0x00000004,
    VK_VIDEO_ENCODE_AV1_STD_DELTA_Q_BIT_KHR = 0x00000008,
} VkVideoEncodeAV1StdFlagBitsKHR;

• VK_VIDEO_ENCODE_AV1_STD_UNIFORM_TILE_SPACING_FLAG_SET_BIT_KHR indicates whether the implementation supports using the application-provided value for StdVideoAV1TileInfoFlags::uniform_tile_spacing_flag in the AV1 tile parameters when that value is 1, indifferent of the coded extent of the encode input picture and the number of tile columns and rows requested in the TileCols and TileRows members of StdVideoAV1TileInfo.
• VK_VIDEO_ENCODE_AV1_STD_SKIP_MODE_PRESENT_UNSET_BIT_KHR specifies whether the implementation supports using the application-provided value for StdVideoEncodeAV1PictureInfoFlags::skip_mode_present when that value is 0.
• VK_VIDEO_ENCODE_AV1_STD_PRIMARY_REF_FRAME_BIT_KHR specifies whether the implementation supports using the application-provided value for StdVideoEncodeAV1PictureInfo::primary_ref_frame.
• VK_VIDEO_ENCODE_AV1_STD_DELTA_Q_BIT_KHR specifies whether the implementation supports using the application-provided values for the DeltaQYDc, DeltaQUDc, DeltaQUAc, DeltaQVDc, and DeltaQVAc members of StdVideoAV1Quantization.

These capability flags provide information to the application about specific AV1 syntax element values that the implementation supports without having to override them and do not otherwise restrict the values that the application can specify for any of the mentioned AV1 syntax elements.