[MPlayer-users] Extracting frames from videos on the command line

[RC]

On Sat, 08 Apr 2006 18:15:53 +0100
geoff.mplayer at alphaworks.co.uk wrote:

> I'd like to be  able to extract non-consecutive frame i.e. 4  frames a
> second assuming  the film has more than 4 frames a second. I've tried
> using -fps but that  seem to produce apparently random results.

-fps is certainly not the way to do it.  Try something like the
"framestep" filter to only output a fraction of the frames.