Newbie needs help!!!!!! DVD to xbox 360 streaming

[JohnS719]

I usually rip movies from DVDs and copy them onto a blank DVD using DVD Fab or DVD Shrink. I've ripped some movies and left them on my computer cuz I ran out of blank media. I would like to find a program that will let me convert those DVDs I have sitting on my harddrive to a format that I can watch thru my XBox 360 while streaming it thru my computer...any suggestions? Also, in the future, if I chose just to rip the DVD onto my PC to watch thru the 360 instead of making copies can I use the same program? Thanks in advance for ur help...it's appreciated.