[FFmpeg-user] Levels and Primaries

[Phil Rhodes]

> My conjecture is that ffmpeg does the correct

> scaling of the Luma values during the R'G'B' to 
> Y'CbCr matrix transform.

I have asked Thomas Worth to comment on this as he has done some quite specific stuff with it using the avcodec and avformat libraries. Regardless of the desired behaviour he may be able to shed some light on what the current behaviour is.

P