[FFmpeg-user] About the slow motion with FFmpeg

Nicolas George nicolas.george at normalesup.org
Sat Dec 29 12:58:15 CET 2012


Le nonidi 9 nivôse, an CCXXI, PyProg PyProg a écrit :
> I'm doing a slow motion effect with FFmpeg, but the resulting video is
> jerky when read with VLC. This is the original video:

My guess is that the problem is the frame rate: ffmpeg selects automatically
the same frame rate or the output as the input, and the scaled timestamps
have to be rounded according to that frame rate. Try to specify -r 125/16 or
something.

Regards,

-- 
  Nicolas George
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