Edit

Share via

D3D12DDI_VIDEO_ENCODER_CODEC_CONFIGURATION_H264_0080_2 structure (d3d12umddi.h)

  • Article

The D3D12DDI_VIDEO_ENCODER_CODEC_CONFIGURATION_H264_0080_2 structure contains configuration information for an H.264 codec.

Syntax

typedef struct D3D12DDI_VIDEO_ENCODER_CODEC_CONFIGURATION_H264_0080_2 {
  D3D12DDI_VIDEO_ENCODER_CODEC_CONFIGURATION_H264_FLAGS_0080        ConfigurationFlags;
  D3D12DDI_VIDEO_ENCODER_CODEC_CONFIGURATION_H264_DIRECT_MODES_0080 DirectModeConfig;
  UCHAR                                                             pic_order_cnt_type;
  UCHAR                                                             log2_max_frame_num_minus4;
  UCHAR                                                             log2_max_pic_order_cnt_lsb_minus4;
} D3D12DDI_VIDEO_ENCODER_CODEC_CONFIGURATION_H264_0080_2;

Members

ConfigurationFlags

A D3D12DDI_VIDEO_ENCODER_CODEC_CONFIGURATION_H264_FLAGS_0080 value that defines the set of enabled features for an H.264 codec. Flags can be combined.

DirectModeConfig

A D3D12DDI_VIDEO_ENCODER_CODEC_CONFIGURATION_H264_DIRECT_MODES_0080 value that specifies configuration information related to DIRECT modes.

pic_order_cnt_type

The picture order count type filter mode as defined in the H.264 standard under pic_order_cnt_type in the sequence parameter set. The value of pic_order_cnt_type is in the range of 0 to 2, inclusive.

log2_max_frame_num_minus4

The value of the variable MaxFrameNum that is used in frame_num related derivations as follows: MaxFrameNum = 2^(log2_max_frame_num_minus4 + 4).

The value of log2_max_frame_num_minus4 is in the range of 0 to 12, inclusive.

log2_max_pic_order_cnt_lsb_minus4

The value of the variable MaxPicOrderCntLsb that is used in the decoding process for picture order count as specified in the H.264 specification as follows: MaxPicOrderCntLsb = 2^ (log2_max_pic_order_cnt_lsb_minus4 + 4).

The value of log2_max_pic_order_cnt_lsb_minus4 is in the range of 0 to 12, inclusive.

Remarks

See D3D12 video encoding for general information.

Requirements

Requirement Value
Minimum supported client Windows 11 (WDDM 3.0)
Header d3d12umddi.h

See also

D3D12DDI_VIDEO_ENCODER_CODEC_CONFIGURATION_0080_2