[MPlayer-users] re-encoding

[D Richard Felker III]

On Thu, Jul 31, 2003 at 01:59:35PM +0200, Jean-Paul Lacquement wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Hello,
> 
> 
> I have a problem with some personnal movies encoded in divx with a too high quality for my cpu.
> My cpu is too slow for those divx so I'm looking for a way to re-encode them 
> with mencoder. I had a look on "man mencoder" but I didn't find something 
> helpful except encoding directly form a DVD...
> 
> I tried 
> mencoder -vop scale -zoom -xy 400 -o output.avi -oac copy -ovc xvid input.avi
> It was useless...

Be sure to read encoding-tips.txt. You don't just want to auto-select
a height to go with width 400; you need to make sure both width and
height are multiples of 16. Otherwise quality will suffer. You could
use insanely high bitrate to work around this of course, but that's
silly.

Rich