Re: [MPlayer-users] mencoder with Xvid not very fast

[D Richard Felker III <dalias@xxxxxxxxxx>]

On Tue, Nov 19, 2002 at 09:52:07AM +0100, Arpi wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Hi,
> 
> > > when I capture video with mencoder more Xvid, my CPU  uses has 100% that 
> > > then with the Transcode or Virtualdub software my CPU uses has 70%.
> > > this is normal?
> > > here my line of order: 
> > > 
> > > mencoder  -ovc xvid -o test.avi -vop pp=0x20000,crop=720:432:8:71 -tv 
> > 
> > This is bad. Postprocessing should always be done before cropping
> > unless you really know what you're doing. Remember, -vop filter order
> 
> it depends. as you can see he does only deinterlacing, it's ok (and not only
> ok, but faster too) after crop (but NOT ok after scaling!).

I noticed that his y offset for crop is odd though. Perhaps it doesn't
matter, but the fields will be switched. BTW, how is chroma handled
when cropping with odd offset?

Rich