[FFmpeg-trac] #4499(undetermined:new): Parse internal subtitles in realtime

[FFmpeg]

#4499: Parse internal subtitles in realtime
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             Reporter:  SubJunk      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Comment (by ExSport):

 Voting for it too.
 Any embeded subs must be "extracted/internally parsed" before FFmpeg will
 start filling pipe or output results to external file so piping more
 things together always fail.
 For 11GB file there is about 3-4min delay which leads to broken chain as
 other side will timeout before any output is generated.
 Btw. I tested also SSA embeded in MKV file and same behavior so it is not
 limited to non-SSA/ASS only.
 Thx!

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Ticket URL: <https://trac.ffmpeg.org/ticket/4499#comment:1>
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