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The Java Media Framework http://www.lehigh.edu/~wcd2/csc350/jmf by wayne deprince [email protected] The Java Platform • The Java Virtual Machine (JVM) – system services – implemented on host platform – extending the JVM through the Java Native Interface (JNI) The JVM Extensions (javax) • Non standard services • Usually implemented using another technology of the host platform • Multimedia extension examples – JavaSound – Java3D – Java Media Framework (JMF) JMF • Javax package used to play streaming and non-streaming media • Application framework • Plug-able media players • Supports many media formats • User defined players JMF Implementation • Win32 – Direct X Media – DirectShow – QuickTime • JNI Pros / Cons • Pros – It’s Java – Easy to program – Takes advantage of all host platform technologies • Cons – It’s Java – Java Extension Problem • non standard • JIT/WAT Compilers – Native technologies usually faster The Road Ahead for JMF • Depends on the success of Java – the JDK problem – the javax problem • Time … • http://www.lehigh.edu/~wcd2/csc350/jmf
