[FFmpeg-user] Dvb Subtitles stopping output
george at nsup.org
Thu Mar 13 15:04:05 CET 2014
Le tridi 23 ventôse, an CCXXII, JULIAN GARDNER a écrit :
> Ok ive been playing with dvbsubs and live streams for the last few hours
> and mostly good, BUT if there is a pause in the dvbsubs streams the output
> from ffmpeg stops as well and then when the subs start again ffmpeg dumps
> its packets out. This can be seen on the status line as the "size=" part
> stops increasing.
What you describe looks like the delay introduced for interleaving: after a
subtitle packet at t=42 and video packets at t=42.1, 42.2, 42.3, the muxer
needs to wait for the next subtitle packet to check if per chance it would
not happen to be at t=42.1 too, because packets must be in ascending order
even in different streams.
Have a look at the max_interleave_delta option that was introduced recently.
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