I have an avi file that uses yuvj420p according to ffprobe. When I play
it in ffplay, all is fine but it complains about a deprecated pixel
format and that I should set the color range properly. In my viewer, I
use swscale with the following formats conversions as destination:
AV_PIX_FMT_YUVJ444P,
AV_PIX_FMT_YUVJ422P,
AV_PIX_FMT_YUVJ420P
and I treat them as YUV420/422/444 for display (using a YCbCr shader).
When I play the clip it appears darker than in ffplay or any other
viewer. When I remove those formats as destination formats and just let
the destination format be one of YUV420/422/444, the clip shows with the
proper lumma.
I am wondering what's the right way of treating these movie files. Is
removing them from target conversions the way to go? Or should I do
something else in swscale or in my shader?
--
Gonzalo Garramuño
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