[FFmpeg-trac] #5396(undetermined:open): ffmpeg don`t close program if -t or -to used with -map 0

[FFmpeg]

#5396: ffmpeg don`t close program if -t or -to used with -map 0
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             Reporter:  szmeny       |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  1
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Changes (by cehoyos):

 * status:  new => open
 * version:  unspecified => git-master
 * reproduced:  0 => 1


Comment:

 The issue is reproducible if the (network) input transport stream contains
 subtitles, but only if the subtitle stream does not actually contain any
 frames. Not a regression afaict.
 Also reproducible (without {{{-t}}}) on eof: In this case {{{ffmpeg}}}
 also waits forever.

 I used http://samples.ffmpeg.org/MPEG-VOB/transport/dvbsub/dvbsubtest.ts
 to test the working (and the eof) case.

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Ticket URL: <https://trac.ffmpeg.org/ticket/5396#comment:3>
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