Capturing without mjpeg with the g400-tv

[A|ex]

Hi there, I'm running win98 with a g400-tv and i want to be able to capture at 352x288 or 704x576 uncompressed, the matrox software only let's me capture at a very low res without mjpeg, I tried using adobe premiere and microsoft vid cap but the both just have a black screen where the video source should be! please if any one can help me please reaply, i've tried everything in my power
Thanks in advance, Alex.