alphaWorks : IBM Toolkit for MPEG-4 : Overview

alphaWorks : IBM Toolkit for MPEG-4 : Overview: "IBM Toolkit for MPEG-4
A set of Java classes and APIs with five sample applications: three cross-platform playback applications and two tools for generating MPEG-4 content for use with MPEG-4-compliant devices."

If you don't have QuickTime, this is a fairly cool system. I tested some samples, and all went well.