[FFmpeg-user] Levels and Primaries

Phil Rhodes phil_rhodes at rocketmail.com
Wed Feb 12 12:59:57 CET 2014

> 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.


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