[FFmpeg-devel] Designing a subtitles infrastructure (was: DVBSUBS and TXTSUBS)

[Nicolas George]

Le septidi 7 prairial, an CCXX, Wolfram Gloger a écrit :
> Please check libavformat/utils.c:ff_interleave_packet_per_dts().
> We already have a threshold (delta_dts_max < 20 seconds) for
> noninterleaved streams.
> 
> Why isn't this working in your case?  Is it because that mechanism is
> per input context, and you have two of them?

I do not know why it does not have effect in this particular case, but if it
did, it would result in a broken file with all video first and then all
audio, that would not be much better, because it does not affect the
scheduling algorithm inside ffmpeg.

I am more and more convinced we need "nothing new" dummy subtitles packets
to transform the sparse streams into full ones.

Regards,

-- 
  Nicolas George
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