[FFmpeg-user] Audio out of sync after video concatenation

Nicolas George george at nsup.org
Tue Jun 22 14:05:19 EEST 2021

iburman at compuscience.com (12021-06-22):
> Video 2 -  4 seconds without audio (I generated this video using xfade
> transition

Only use the concat demuxer with original compressed streams. If you
need to concatenate the result of other processing, do not encode them
and use the concat filter.


  Nicolas George
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