[FFmpeg-trac] #3247(undetermined:new): Transparent subtitle outlines (IDX/SUB) upon conversion to XSUB become solid, and colors become b&w

[FFmpeg]

#3247: Transparent subtitle outlines (IDX/SUB) upon conversion to XSUB become
solid, and colors become b&w
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             Reporter:  userid99     |                     Type:  defect
               Status:  new          |                 Priority:  important
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:

 Transparent subtitle outlines (IDX/SUB) upon conversion to XSUB become
 solid, and colors become black and white.

 How to reproduce:

 >ffmpeg -v 9 -loglevel 99 -report -i transpidx.avi -i t
 ranspidx.idx -vcodec copy -an transpxsub.avi

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Ticket URL: <https://trac.ffmpeg.org/ticket/3247>
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