I have tested several files with the added option
-fflags +genpts -stream_loop -1
to make them loop, but all have a slight pause just before they loop (250 ms or so). The loop filter does not have this issue, but it has other issues.
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Did you manage to solve this? I am facing this for audio loops– workwiseMay 2 at 13:36
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See comments below, it's been fixed.– Mike VersteegMay 3 at 14:17
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2 Answers
This is a known bug with stream_loop. See https://trac.ffmpeg.org/ticket/5719
Wrapping to MKV or TS and then looping may work. Re-encoding your video as intraframe is the safest option.
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Wow, reported 11 months ago already and it's still there.. Re-encoding is not an option for me unfortunately, clients have pre-made loops. Jun 23, 2017 at 8:15
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It is processed live, so I guess that is a 'yes'. So it's not possible to cut out pauses, if that's where you're heading.. Jun 23, 2017 at 8:59
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BTW: wrapping in ts (no difference) or mkv (shorter pause) is no fix either. Neither is re-encoding to intraframe. The very visible pause remains present. Jun 23, 2017 at 9:09
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I am streaming a looping video and was struggling with pauses in-between loops too. What I discovered was that I was streaming at 24 FPS, but my input video was 23.97. Re-encoding the video at 24 FPS with the FPS filter fps=fps=24 resolved the issue.
See https://trac.ffmpeg.org/wiki/ChangingFrameRate for more information on changing the frame rate with FFmpeg.
