[FFmpeg-trac] #2516(undetermined:new): pgssub produce warnings and are blinking

[FFmpeg]

#2516: pgssub produce warnings and are blinking
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             Reporter:  cehoyos      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  important    |                Component:
              Version:  git-master   |  undetermined
             Keywords:  pgssub       |               Resolution:
  regression videolan                |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by Cigaes):

 I am afraid this change would break rendering of DVB subtiles, since an
 empty subtitle frame is used to mark the end of the previous one. I need
 to have a look at this issue.
 (Fortunately, I will have more time soon to get back working on ffmpeg.)

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Ticket URL: <https://trac.ffmpeg.org/ticket/2516#comment:8>
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