ffmpeg - Conversions - Convert AV1 to H265

Using AMD GPU

ffmpeg -i "input.av1.mkv" -vaapi_device /dev/dri/renderD128 -vf 'format=nv12,hwupload' -profile:v main -c:v hevc_vaapi -c:a copy -c:s copy -rc_mode CQP -global_quality 25 -v verbose "output.mkv"