[FFmpeg-user] The internal ffmpeg rgb=>yuv pipeline and conversion matrices

[Carl Eugen Hoyos]

Peter Rabbitson <rabbit+list <at> rabbit.us> writes:

> >> - Am I correct that the inconsistency #00AA00 => #00AB01 is 
> >> simply "cost of doing YUV business", or is the reason more 
> >> nuanced/involved?
> 
> This question also got skipped, and I am really keen on 
> understanding whether colors can in fact roundtrip

RGB -> YUV -> RGB is never lossless and this is not related to 
eight or more bits.
(Exceptions are not implemented or need YUV with higher 
bit depths than RGB.)

Carl Eugen