Running xvinfo, I do not find I420 or YV12. I'm using a Diamond V330 (RIVA 128 based) PCI w/S-video out, video card. Is there something I need to do to get Xv support, or am I just SOL? If I get a new video board, how to I make sure that it's got 1) Xv support, and 2) works well with mythtv? Greg