#7923: alpha info is lost during transcode to gif from apng or animated webp
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Reporter: gbp.gap | Owner:
Type: defect | Status: reopened
Priority: normal | Component: avcodec
Version: git-master | Resolution:
Keywords: apng, gif, | Blocked By:
alpha, webp |
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Changes (by gbp.gap):
* status: closed => reopened
* resolution: wontfix =>
Comment:
With the command with palettegen,paletteuse as below, the unexpected red
boundary lines are produced, which is different with the input apng file
alpha.apng
./ffmpeg -i alpha.apng -filter_complex
"[0]split[a][b];[a]palettegen[p];[b][p]paletteuse " alpha_pale.gif
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Ticket URL: <https://trac.ffmpeg.org/ticket/7923#comment:3>
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