[FFmpeg-user] Extract image every x frames?

[Kosta Vlotis]

On Mon, Aug 6, 2012 at 8:21 AM, Peter B. <pb at das-werkstatt.com> wrote:
> Hello,
>
> I've found several examples of how to extract images from a video using
> ffmpeg. Unfortunately, my use case seems less popular, and I'm not sure how
> or if it is possible with ffmpeg:
>
> I'd like to extract a frame exactly every 1500 frames - on material with
> different fps rates.
>
> Any hints/tips/tricks welcome! :)
>
> Thanks,
> Pb
>
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i may be wrong but "-r 1500" might do it