AV_PIX_FMT_SAND128
AV_PIX_FMT_SAND64_10
AV_PIX_FMT_RPI4_8
AV_PIX_FMT_RPI4_10
are all there but AV_PIX_FMT_SAND64_16 is missing in libavutil/pixdesc.c
because of this hwaccel fails with mpv > 0.32 on wayland (mpv-player/mpv#9864), could you add the missing descriptor in the patch please?