[FFmpeg-user] How to drop every Nth frame?

Carl Eugen Hoyos cehoyos at ag.or.at
Sat Sep 21 10:08:33 CEST 2013

Andrey Aleksandrovich writes:

> I have video of 5614 frames total. I need to drop every 
> 24th frame (233 total). So, the resulting video must 
> become 5381 frames.
> Is it possible with ffmpeg?

Both the select and the fps filter allow this.
If this is actually an inverse telecine process (for pal 
input), consider using pullup.

Carl Eugen

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