[FFmpeg-trac] #9002(avfilter:new): subtitles filter fails to display all ASS subtitles
FFmpeg
trac at avcodec.org
Fri Mar 26 16:37:09 EET 2021
#9002: subtitles filter fails to display all ASS subtitles
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Reporter: aphysically | Owner:
Type: defect | Status: new
Priority: normal | Component: avfilter
Version: git-master | Resolution:
Keywords: ass libass | Blocked By:
subtitles |
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by aphysically):
Further investigated showed the bug cannot be reproduced if the attached
`99-color-emoji.conf` is not in my `~/.config/fontconfig/conf.d` folder.
The intention of this file is to override all emoji codepoints with the
Noto Color emoji. Note there is no emoji in the testcase being rendered
here. I currently am unaware of any issues conceptually with this
fontconfig file and I haven't seen any issues with other software, so I
suspect this may point to an issue with the way fontconfig fallbacks are
handled in ffmpeg's subtitles filter.
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Ticket URL: <https://trac.ffmpeg.org/ticket/9002#comment:3>
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