[Mesa-dev] [PATCH] radeon/video: only support h264 baseline encode

[Andy Furniss]

Andy Furniss wrote:
> Well it's a tricky situation with cabac which would be a shame to loose.
>
> Currently I guess it's a bit strange advertising main/high - but then
> others do without having mbaff support ....
>
> As it stands with cabac on I can make (what I think is) a perfectly
> legal stream with ffmpeg or gstreamer (ignoring current mesa issue).
>
> ... -c:v h264_vaapi -profile:v 77 -bf 0 ...
>
> ... max-bframes=0 ! video/x-h264, profile=main ...

Hmm, maybe some tweaking would be needed for that to work properly
testing shows that it comes out as 88 - maybe to do with the constrained
flags being set in the driver that's expecting baseline?