[MPlayer-users] seeking to frame and pausing

Ivo ivop at euronet.nl
Sun Oct 24 00:54:40 CEST 2004


On Sunday 24 October 2004 00:31, Ricardo Kleemann wrote:
> Thanks...
>
> What if I wanted to instead take snapshots of frames? I know I can do -vo
> jpeg but that just keeps on playing and rendering jpegs from the frames.
>
> Is there a way I can use -ss <time> and specify to say, only play 5
> seconds, thus generating jpegs for that time frame?

From the manpage:

       -frames <number>
              Play/convert only first <number> frames, then quit.

So, with a 25fps source file, -frames 125 plays/converts five seconds.

> I'm just trying to compare the encoding output of different parameters, I
> wanted to compare frames...

Better use -vo png or -vo pnm (the last one is only available in CVS) to 
avoid having additional JPEG artifacts added.

--Ivo




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