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The Java Media Framework

The Java Media Framework. http://www.lehigh.edu/~wcd2/csc350/jmf by wayne deprince wcd2@lehigh.edu. 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).

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The Java Media Framework

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  1. The Java Media Framework http://www.lehigh.edu/~wcd2/csc350/jmf by wayne deprince wcd2@lehigh.edu

  2. The Java Platform • The Java Virtual Machine (JVM) • system services • implemented on host platform • extending the JVM through the Java Native Interface (JNI)

  3. 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)

  4. JMF • Javax package used to play streaming and non-streaming media • Application framework • Plug-able media players • Supports many media formats • User defined players

  5. JMF Implementation • Win32 • Direct X Media • DirectShow • QuickTime • JNI

  6. 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

  7. 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

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