[Cin] zscale's tonemapping on input

[Andrew Randrianasulu]

сб, 10 мая 2025 г., 16:46 Andrea paz via Cin <cin at lists.cinelerra-gg.org>:

> I wrote a theoretical introduction as a basis; but I still don't
> really understand how it works in CinGG. I guess I need to re-study
> the chapter “ffmpeg interactions”...
> Corrections and guidance are welcome.
>


I think it  is important to note somewhere that while vf_zscale is indeed
exist in mainline ffmpeg, it does not get build by default, so you need to
pass switch (
--enable-libzimg) to ffmpeg's configure script. And of course have zimg
development files installed. (I tested on 3.0.4)

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