[FFmpeg-user] red-shift and blue-shift

Michael Koch astroelectronic at t-online.de
Wed Mar 4 12:52:12 EET 2020


is there any known workaround for making a red-shift or a blue-shift? I 
mean shifting the visible spectrum towards red or blue. In the middle of 
the spectrum this can be realized by the "hue" filter, but at the end of 
the spectrum I want a different behaviour. I want a shift instead of a 
rotation. Colors at the end of the visible spectrum must be shifted to 
(or from) black.


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