[FFmpeg-trac] #8861(avfilter:new): Creating GIF with full transparent background from PNGs with semi-transparent pixels, somehow causes this outline
FFmpeg
trac at avcodec.org
Sun Aug 23 20:46:30 EEST 2020
#8861: Creating GIF with full transparent background from PNGs with semi-
transparent pixels, somehow causes this outline
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Reporter: karl-police | Owner:
Type: defect | Status: new
Priority: normal | Component: avfilter
Version: git-master | Resolution:
Keywords: paletteuse | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by pdr0):
I think that artifact is from the fps filter, and you're dropping frames.
It looks ok if you use -r as an input option
eg.
{{{
ffmpeg -r 25 -i "sprite2/amongus_player_walk_00%02d.png" -i palette.png
-lavfi "paletteuse=bayer" r25_output.gif
}}}
12fps works too, I just left it at 25fps for the example
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Ticket URL: <https://trac.ffmpeg.org/ticket/8861#comment:7>
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