[FFmpeg-trac] #8738(undetermined:new): subtitle filter can't render indic languages

[FFmpeg]

#8738: subtitle filter can't render indic languages
-------------------------------------+-------------------------------------
             Reporter:  webofunni    |                     Type:  defect
               Status:  new          |                 Priority:  important
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:  ass,         |               Blocked By:
  subtitles, indic                   |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug: ffmpeg subtitle filter is using FriBidi to render text
 irrespective of the language and there is no option to change it to
 another text shaper like Harfbuzz. But it works if I convert srt to ass
 and use the ass filter.

 How to reproduce:
 {{{
 % ffmpeg -i input_video.mp4 -vf subtitles=malayalam.srt output.mp4

 }}}

 I am trying to burn subtitles from https://malayalamsubtitles.org/ .

 Example text from both ffmpeg and vlc : https://i.imgur.com/n2F69Ns.png

 Subtitle I tried to burn is attached.

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Ticket URL: <https://trac.ffmpeg.org/ticket/8738>
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