[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 02:06:49 EEST 2020


#8861: Creating GIF with full transparent background from PNGs with semi-
transparent pixels, somehow causes this outline
-------------------------------------+------------------------------------
             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            |
-------------------------------------+------------------------------------

Comment (by karl-police):

 Replying to [comment:1 cehoyos]:
 > This has very little similarities with a valid ticket.
 >
 > Does `paletteuse=bayer` fix the issue for you?

 another question

 uhh I set the fps 12 with bayer, and it's doing this
 https://i.imgur.com/trtfjhQ.gif


 {{{
 ffmpeg -i "sprite2/amongus_player_walk_00%02d.png" -i palette.png -lavfi
 "fps=12,paletteuse=bayer" -y output.gif
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/8861#comment:3>
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