PlugIns
PlugIn abstracts a media processing stage.
Interface PlugIn extends interface Control ( has
getControl, getControls method ).
PlugIn has open, close, and reset methods.
Types of PlugIns : DEMULTIPLEXER, CODEC,
EFFECT, RENDERER, MULTIPLEXER
PlugInManager
Ø public static java.util.Vector getPlugInList (Format input,
Format output, int type).
Ø public static Format[] getSupportedInputFormats
(java.lang.String className,  int type).
Ø public static boolean addPlugIn( java.lang.String
classname, Format [] in, Format [] out, int type)