Change #270767

Comments

avcodec/d3d12va_encode: Add H264/HEVC constrained intra prediction parameter support
Add parameter `constrained_intra_pred` for users to enable constrained intra prediction (as opposed to default unconstrained) in D3D12 H264 and HEVC encoding.

Usage:
  false (default): `-constrained_intra_pred false`  or  `-constrained_intra_pred 0`
  true:            `-constrained_intra_pred true`   or  `-constrained_intra_pred 1`

Sample command line:
```
ffmpeg.exe -hwaccel d3d12va -hwaccel_output_format d3d12 -i input.mp4 -c:v h264_d3d12va -constrained_intra_pred true -y output.mp4
ffmpeg.exe -hwaccel d3d12va -hwaccel_output_format d3d12 -i input.mp4 -c:v hevc_d3d12va -constrained_intra_pred true -y output.mp4
```

Changed files

• libavcodec/d3d12va_encode_h264.c
• libavcodec/d3d12va_encode_hevc.c