[FFmpeg-user] Help burning DVB subtitles to video

Nicolas George george at nsup.org
Thu Feb 19 12:55:20 CET 2015

Le primidi 1er ventôse, an CCXXIII, Dragan Miljković a écrit :
> Thank you so much, that did it!!

Glad to read it.

> Do you know is it possible to delay DVB subtitles with ffmpeg? I have
> stream where subtitles come 2-3 seconds early, I wonder if that can be
> fixed during the burning of the subtitles?

Once they are in the filter graph, subtitles become just a video stream with
mostly transparent images. All the processing that can be done on video can
be done on them, including setpts that would solve your problem. The example
in the doc has it.


  Nicolas George
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