[FFmpeg-trac] #5241(undetermined:new): Usage of overlay filter with "dvb_subtitle" stream causes "Buffer queue overflow, dropping." message

[FFmpeg]

#5241: Usage of overlay filter with "dvb_subtitle" stream causes "Buffer queue
overflow, dropping." message
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             Reporter:  pth7712      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:  overlay      |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Comment (by pth7712):

 Hi,
 you need a live mpeg-ts stream with dvb subtitles stream. I cannot send
 multicast over the Internet.
 BTW,
 maybe related effect occurs when the input is from MPEG-TS file (not a
 multicast stream). Then the overlying is very slow, but "Buffer queue
 overflow" doesn't appears. Seems like (but only seems) the overlay waits
 for subtitle PTS before do something.

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Ticket URL: <https://trac.ffmpeg.org/ticket/5241#comment:2>
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