[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 Sep 6 13:34:51 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 karl-police):

 when using "bayer" to prevent these outlines, though what can happen,
 let's say the entire thing would be a bit more yellow. That the entire
 image gets dithered, which is something I want to prevent.

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Ticket URL: <https://trac.ffmpeg.org/ticket/8861#comment:19>
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