Can mencoder use multiple cores, or is there another aud-vid encoder which can?

I'm looking for a good audio-video encoder which can utilize all cores of a multi-core CPU.

I've tried mencoder, but I can't see a "multi-core" option, and it appears to be using only one core at any given moment.

If mencoder cannot utilize multiple cores, is there another program which can?
It doesnt' bother me whether it is a GUI or CLI...

You need to use the "threads" option which is available for most encoder/decoders. Example:

mencoder -noodml -o $OUTPUT \
  -oac copy \
  -ovc xvid \
  -xvidencopts bitrate=1000:threads=2 \
  $FILE

Search for "threads" on the man page: http://manpages.ubuntu.com/manpages/maverick/en/man1/mencoder.1.html

For video encoding I use transmagedon. You can find it in Ubuntu Software Center. By default, it utilize multiple cores.

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