[FFmpeg-user] chroma colour

[Michael Koch]

Am 24.09.2020 um 13:50 schrieb Paul Bourke:
> 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.

Use the "fill" option of the remap filter.
There is an example in chapter 2.66 of my book:
http://www.astro-electronic.de/FFmpeg_Book.pdf

Michael