[Cin] Colors tip from forum

[Andrew Randrianasulu]

вс, 7 авг. 2022 г., 22:01 Andrea paz <gamberucci.andrea at gmail.com>:

> > Is there possibility to extend section on XYZ colorspace, explaining it
> comes from experiments on how  human eye receptors receive color (they
> obviously do not use technological rgb notation), because it was such
> source of confusion to me? Also, saying primaries are most possible colored
> points (greenest green in G direction, reddest red in R direction, etc) in
> choosen colorspace might be useful , at least I found those remarks
> clarifying illustrations nicely.
> > Example of colormatrix settings also might be useful.
> Revision 2, after Andrew's suggestions. Talking about human vision and
> colormatrix settings are beyond my skill set and also too much for an
> introduction. I have put up a link that may be of interest.
> https://peteroupc.github.io/colorgen.html


Thanks!

man ffmpeg-filters (for ffmpeg 5.0)

Says about colormatrix example

For example to convert from BT.601 to SMPTE-240M, use the
       command: colormatrix=bt601:smpte240m

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