[FFmpeg-user] Issue with reading out correct Color Ranges (tv, pc) and color primaries (bt709, bt601) Info at AVCIntra- and MPEG2-MXFs

[Christoph Gerstbauer]

> Christoph Gerstbauer <christophgerstbauer <at> gmx.at> writes:
>
>> Stream #0:0: Video: h264 (High 4:2:2 Intra),
>> yuv422p10le(pc, bt709)
> In both cases, the h264 decoder believes that the VUI
> specifies pc and bt709.
> Both values are never set by the demuxer, this is not
> allowed by the API.

So both values are always given through the DECODER and not the 
container, right?
Does this mean that if the decoder gets video values beyond the standard 
range 16-235/64-940 ffmpeg shows automatically "pc" ?

>> Overread VUI by 5 bits
> This may indicate that the VUI is just misread.
>
Ok this partly answers one question of another mail ticket :). 
(https://ffmpeg.org/pipermail/ffmpeg-user/2014-May/021209.html)
But what is the VUI exactly?

Best Regards
Christoph