[FFmpeg-user] How would your rendering a video to a slower rate (slow mo)

Nicolas George nicolas.george at normalesup.org
Tue Oct 30 12:57:15 CET 2012


Le nonidi 9 brumaire, an CCXXI, Jason Brower a écrit :
> I am planning to build a backend tool that needs to render a video
> is slow motion about 1/4 speed or slower and I want to keep the
> audio and video in as much sync as I can.  It's for a site that will
> help people read lips.
> Is there a way to do this in ffmpeg?

You can look the setpts filter for video and the atempo filter for audio.

Regards,

-- 
  Nicolas George
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