[FFmpeg-devel] [PATCH] palettegen: Fill with last color, not black

[Tomas Härdin]

Hi

I was helping the fine folks at peppercarrot.com with web video
nonsense, and I notice palettegen outputs more colors than it should
due to padding the generated palette with pure black.

Compare this (ffmpeg version 3.2.12-1~deb9u1):
http://www.härdin.se/files/peppercarrot_gif/output-blackspecks-64.gif
with this (282a471 with this patch applied):
http://www.härdin.se/files/peppercarrot_gif/output-fixed-64.gif

The attached patch fixes this by padding with the last color instead of
black.

/Tomas
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