[MPlayer-users] mjpeg and mencoder

[D Richard Felker III]

On Tue, Jan 07, 2003 at 06:42:28PM -0500, Brad Barnett wrote:
> > AFAIK qscale should not affect performance much either way... Perhaps
> > it's just the increase in disk io loading down the cpu. You might also
> > try something like
> > 
> 
> I don't think it's the disk io causing that increase in cpu usage.  I have
> a dual PIII box, and the SMP should be sharing that disk io load onto the
> other CPU.

Not necessarily.

> > -lavcopts vcodec=mpeg4:vme=0:vqscale=1
> > 
> > That should get about the same quality, using a good bit less disk
> > space but slightly more cpu time. You can also add keyint=0 for
> > intra-only encoding, that'll speed it up a bit at the cost of less
> > compression.
> > 
> > Rich
> > 
> 
> Unfortunately, it uses almost double the cpu :(  Way beyond my limit.

Hmm, that's really weird. At 320x240, both use almost identical cpu
load on my K6. Perhaps cache issues come into play more at higher
res...

Rich