[FFmpeg-trac] #3737(undetermined:open): Reencoding dvdsub to dvbsub produces subtitles that do not disappear correctly

[FFmpeg]

#3737: Reencoding dvdsub to dvbsub produces subtitles that do not disappear
correctly
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             Reporter:  cehoyos      |                    Owner:
                 Type:  defect       |  er.anshul.maheshwari@…
             Priority:  normal       |                   Status:  open
              Version:  git-master   |                Component:
             Keywords:  dvbsub       |  undetermined
             Blocking:               |               Resolution:
Analyzed by developer:  0            |               Blocked By:
                                     |  Reproduced by developer:  1
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Comment (by er.anshul.maheshwari@…):

 This is regression bug which was introduced while fixing ticket #2024.
 subtitles with 0 rectangles were stoped, I have attached a quick fix here.

 I don't want this fix to be in mainstream, IMO proper solution would be to
 correct end time for transcoding and give blank subtitle->num_rect for
 decoding

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Ticket URL: <https://trac.ffmpeg.org/ticket/3737#comment:3>
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