本程序用到了Player接口的javax.media.Processor接口。可以通过调用Manager的createProcessor()方法，来得到一个Processor接口的示例引用，具体代码为： processor=Manager.creatProcessor(ml) //根据媒体定位对象，示例化一个处理器-the procedures used by the Player interface javax.media.Processor interface. Call Manager b

media player is for a audio player that have visuals effect while playing on it