An overview over the system FFmpeg 7.x supported QSV pixel formats and profiles:


ffmpeg -hide_banner -h encoder=hevc_qsv | egrep 'Supported|profile|main'
    Supported hardware devices: qsv qsv qsv
    Supported pixel formats: nv12 p010le p012le yuyv422 y210le qsv bgra x2rgb10le vuyx xv30le
  -profile           <int>        E..V....... (from 0 to INT_MAX) (default unknown)
     main            1            E..V.......
     main10          2            E..V.......
     mainsp          3            E..V.......
     main            0            E..V.......


ffmpeg -hide_banner -h encoder=h264_qsv | egrep 'Supported|profile|main'
    Supported hardware devices: qsv qsv qsv
    Supported pixel formats: nv12 qsv
  -profile           <int>        E..V....... (from 0 to INT_MAX) (default unknown)
     main            77           E..V.......


ffmpeg -hide_banner -h encoder=av1_qsv | egrep 'Supported|profile|main'
    Supported hardware devices: qsv qsv qsv
    Supported pixel formats: nv12 p010le qsv
  -profile           <int>        E..V....... (from 0 to INT_MAX) (default unknown)
     main            1            E..V.......


ffmpeg -hide_banner -h encoder=vp9_qsv | egrep 'Supported|profile|main'
    Supported hardware devices: qsv qsv qsv
    Supported pixel formats: nv12 p010le vuyx qsv xv30le
  -profile           <int>        E..V....... (from 0 to INT_MAX) (default unknown)
     profile0        1            E..V.......
     profile1        2            E..V.......
     profile2        3            E..V.......
     profile3        4            E..V.......


ffmpeg -hide_banner -h encoder=vp9_qsv | egrep 'Supported|main'
    Supported hardware devices: qsv qsv qsv
    Supported pixel formats: nv12 p010le vuyx qsv xv30le