[FFmpeg-user] chroma colour

Paul Bourke paul.bourke at gmail.com
Thu Sep 24 14:50:32 EEST 2020

How do I change the colour actually used as the chromakey colour?
I am creating remap filters to do various image mappings and would
like undefined pixels to be black rather than green.
Apologies in advance if I simply didn't search the documentation
sufficiently well.

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