Mplayerosx

I've searched through the discussions, but I cannot seem to find an answer. I want to run Mplayer along side quicktime, but have Mplayer output it's audio to a different set of ports. The audio interface I have has 4 outputs.

If I have to code this and compile it, I don't mind figuring it out, but I wanted to ask before I recreated the wheel! :)

Thanks!
Rick