private Sequencer sm_sequencer = null;

File midiFile = null;



public class LoopMidiPlayback implements MetaEventListener

{

public LoopMidiPlayback(String strFilename)

{

   midiFile = new File(strFilename);

}

public void startPlay()

{

   try

   {

      Sequence sequence = MidiSystem.getSequence(midiFile);

      sm_sequencer = MidiSystem.getSequencer();

      sm_sequencer.open();

      sm_sequencer.setSequence(sequence);

      sm_sequencer.addMetaEventListener(this) ;

             

      sm_sequencer.start();

   } catch (Exception e)

   {

      e.printStackTrace();

   } 

}

     

public void stopPlay()

{

   sm_sequencer.stop();

   sm_sequencer.close();

}



public void meta(MetaMessage event)

{

   if (event.getType() == 47)

   {

      startPlay();

   }

}

}