[FFmpeg-user] Levels and Primaries
Carl Eugen Hoyos
cehoyos at ag.or.at
Wed Feb 12 10:53:55 CET 2014
Rio Kierkels <riokierkels <at> gmail.com> writes:
> My conjecture is that ffmpeg does the correct
> scaling of the Luma values during the R'G'B' to
> Y'CbCr matrix transform.
Does that mean that you see no problem when converting
from rgb to yuv420p with libswscale?
(Sorry, but I am not a native speaker and an apparent
native speaker has written twice that he can reproduce
> A more accurate representation would be ycbcr (just
> a side note).
But then existing FFmpeg users would ask why the
console output / option names changed...
In other words: This is purely historical but is
unlikely to change afaict.
Sorry, Carl Eugen
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