[FFmpeg-devel] [PATCH]Fix pix_fmt detection in jpeg2000
Carl Eugen Hoyos
cehoyos at ag.or.at
Wed Jul 17 11:41:47 CEST 2013
Nicolas Bertrand <nicoinattendu <at> gmail.com> writes:
> Le 17/07/2013 11:19, Carl Eugen Hoyos a écrit :
> > But imo, the important question are not valid
> > samples but why do you think that the decoder
> > should depend with its MCT decision on the
> > colour space (especially if the specification
> > does not mention colour space at all).
> Because, as MCT is defined, if the input color
> space is YUV, there are no need to do the MCT.
Isn't this completely up to the encoder to decide?
(Unrelated to the fact that it probably makes no
> If the MCT is done with a YUV color space, we
> will do YUV --> RGB --> YUV. so useless.
Or in other words:
If the encoder decided (because of an error or
another reason) to run its yuv input through
the RGB -> YUV conversion, wouldn't the MCT be
necessary to produce correct output?
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