[MPlayer-users] How to run mplayer/mencoder *quickly* for storyboarding?
fn024607 at yahoo.it
Thu Oct 12 14:30:00 CEST 2006
On Thursday 12 October 2006 14:22, Dan A. Dickey wrote:
> I've been using mplayer to create storyboard's for a video like this:
> mplayer -really-quiet -nosound -vo pnm:ppm:outdir=./tmp -vf
> framestep=i60,scale:96:72 thevideofile.mpg
> And it's been working pretty well, generating a bunch of ppm images
> every 2 seconds in the video. However, I just realized that it is exactly
> that - they are being generated every 2 seconds - time wise. That's fine
> actually, and not the problem. The problem is when I use a video that is
> 15 minutes long, then the conversion to ppm images takes 15 minutes
> just as if mplayer was playing the video to a display. Is there a way to
> tell mplayer to *go fast* and not slow down? Or is there a way to get
> mencoder to perhaps do some portion of the work and then have mplayer
> generate the images? Any help would be much appreciated... Thanks!
Not sure if it will work, but an idea is to pass -fps and a number greater
than 30, which is the natural speed. 60 would go twice the speed, taking half
the time. You could use 3000, for example.
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