[FFmpeg-trac] #8301(undetermined:new): Burning in Thai subtitles has errors

FFmpeg trac at avcodec.org
Fri Oct 18 00:05:22 EEST 2019

#8301: Burning in Thai subtitles has errors
             Reporter:  0x42h        |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:  thai,        |               Blocked By:
  subtitles, burn, fails             |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
 Summary of the bug:

 When burning in subtitles with -vf subtitle=, subtitles in Thai language
 position the accents wrongly. Instead of the accents being places below or
 above the character, they are placed in the next font character slot. See

 Subtitles can be translated to Thai language here: http://translate-

 How to reproduce:
 % ffmpeg -i somevid.mp4 -vf subtitle=sub.srt output.mp4
 ffmpeg version: any
 built on ... any
 Patches should be submitted to the ffmpeg-devel mailing list and not this
 bug tracker.

Ticket URL: <https://trac.ffmpeg.org/ticket/8301>
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