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

Mark Filipak markfilipak.windows+ffmpeg at gmail.com
Wed Mar 4 13:44:39 EET 2020


On 03/04/2020 05:52 AM, Michael Koch wrote:
> Hi,
> 
> 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.
> 
> Michael

Hey, Michael, (seriously this time), can't you diddle luminance at the 
same time as hue?


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