// d3d12umddi.h

typedef enum D3D12DDI_VIDEO_ENCODER_AV1_TX_MODE_0095 {
  D3D12DDI_VIDEO_ENCODER_AV1_TX_MODE_0095_ONLY4x4 = 0,
  D3D12DDI_VIDEO_ENCODER_AV1_TX_MODE_0095_LARGEST = 1,
  D3D12DDI_VIDEO_ENCODER_AV1_TX_MODE_0095_SELECT = 2
} ;
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Windows Driver Kit DDI reference (ne-d3d12umddi-d3d12ddi_video_encoder_av1_tx_mode_0095)

Description

The D3D12DDI_VIDEO_ENCODER_AV1_TX_MODE_0095 enumeration defines the list of distinct transform modes that can be used in AV1 video encoding.

Constants

`D3D12DDI_VIDEO_ENCODER_AV1_TX_MODE_0095_ONLY4x4:0`

Indicates that only 4x4 transform blocks can be used.

`D3D12DDI_VIDEO_ENCODER_AV1_TX_MODE_0095_LARGEST:1`

Indicates that the largest transform block size can be used.

`D3D12DDI_VIDEO_ENCODER_AV1_TX_MODE_0095_SELECT:2`

Indicates that the driver can dynamically select the transform size for each block.

Remarks

See D3D12 AV1 video encoding for more information.

D3D12DDI_VIDEO_ENCODER_AV1_TX_MODE_0095 - NtDoc