Need alternative media player?

http://www.videolan.org/vlc/ 
 = Audio, Video etc… pretty robust. 
 udp rtp dvd scvd mpeg avi ogg mp4 etc etc and the list goes on… 
 http://www.free-codecs.com/download/QuickTime_Alternative.htm 
 Media Player Classic, often bundled with Quicktime Alternative, is also quite good.