[FFmpeg-trac] #2622(avformat:open): Subtitle (hdmv pgs) remux fails

[FFmpeg]

#2622: Subtitle (hdmv pgs) remux fails
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             Reporter:  skifreak     |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  pgssub       |               Blocked By:
  mpegts                             |  Reproduced by developer:  1
             Blocking:               |
Analyzed by developer:  0            |
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Comment (by hackler756):

 bump - hdmv_pgs_subtitle copy stream support

 - decoder is here: libavcodec / pgssubdec.c
 - headers are missing - see partial patch
 - encoder is missing - stream copy support would be enough due to format

 also referenced here #7360

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Ticket URL: <https://trac.ffmpeg.org/ticket/2622#comment:6>
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