The U on iTunes - Terms
MPEG Streamclip
A converter for MPEG-1/2/4, QuickTime files and transport streams (.ts and .m2t). For MPEG-2 it works together with the Apple MPEG-2 Playback/ Component and provides high-quality conversion of movies into several useful formats for Mac OS X. It is compatible with Apple Final Cut Pro, DVD Studio Pro, and Roxio Toast 6/7.
You can download a copy at Squared 5's website.