[FFmpeg-user] Extract image every x frames?

Roger Pack rogerdpack2 at gmail.com
Mon Aug 6 18:25:07 CEST 2012

> i may be wrong but "-r 1500" might do it

you could extract to images then select every 1500'th image.
 -vf select='not(mod(n\,15))'

might be helpful, too. "n" is frame number I...think...

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