Xuggle-Xuggler

Xuggler allows Java programs to decode, encode, and experience any video format.
A free open-source library for Java developers to uncompress, manipulate, and compress recorded or live video in real time.
The Xuggler is composed of two main components; a set of Java jar files, and a set of native shared libraries ( .dll files on Windows, .so files on Linux, or .dylib files on Mac). To use you need to first install the native libraries, and then you can write programs that use the Xuggler.