[Cin] Color erase like GIMP

[Igor BEGHETTO]

Good, Stefan!
As said by Andrew, it would be fine to have this feature like a new 
plugin in Cinelerrra-GG, if possible. So, if that plugin had some 
problem, it would be confined there.

IgorBeg

Il 27/09/2021 13:01, Stefan de Konink via Cin ha scritto:
> I got it to work under FFmpeg as well, code quality is still subpar... 
> but in general I would love to have thing thing natively in Cinerella 
> as well. The variant with a single color make sense, but also 
> subtracting another layer.
>
> <https://github.com/skinkie/FFmpeg/commit/7683c206446661e04bfc34b0149cbcf4c19a3d55#diff-30bbbdaad37f440707bda666ec8c00a0c3d6812cc62a54a873bcb16ea7487bd3R690> 
>

> In addition; I was already warned that my code would cause issues on 
> 420 formats. Should check that too.