[Cin] Colors [was: Crash on playback]

[Andrew Randrianasulu]

On Monday, January 17, 2022, Andrea paz via Cin <cin at lists.cinelerra-gg.org>
wrote:

> @Andrew
>
> > @Andrea, for some reason I can't download attaches from forum (because I
> have no login there?), can you add CMS.txt as attachment to email (again)?
>
> I'm opening a new email because color has nothing to do with the
> Vdpau/Vaapi issues.
> It was just an attempt to put together all the information on how
> CinGG treats color. Lately I found emails from Hermann Vosseler that
> are very indicative. However, the fact remains that each plugins of
> CinGG treats the color in its own way, so we should find a way to
> understand how all the native plugins act, one by one (if I'm not
> mistaken, the plugins of ffmpeg clip everything to 8-bit and sRGB).
> Only with this information can we reconstruct a chain of steps that
> accounts for color transformations and, perhaps, keep them under
> control.
>
> Sorry, I've been pushing too much color lately, it's best to let it go.


no problem, this is  complex (and math intensive) problem, so re-visiting
it from time to time hopefully provided some ideas/foundation for making it
reality!

offtop:  forum thread on colorsync  in Final Cut Pro X (~2011)
http://www.philiphodgetts.com/2011/09/fcp-x-color-management-secret/



> Hermann already knew in 2012 that it was not possible to treat it in
> CinCV and that's also why he went for Lumiera.
>
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