86 lines
2.7 KiB
Java
86 lines
2.7 KiB
Java
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import java.applet.Applet;
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import java.awt.Graphics;
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import java.io.*;
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import java.net.*;
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import javax.sound.midi.*;
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import com.sun.media.sound.*;
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import javax.sound.midi.*;
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public class MixerMidiApplet extends Applet {
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Sequencer sequencer = null;
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Sequence mySeq = null;
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@Override
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public void start() {
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//What midi file do we need to play.. ?
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String filename = getParameter("MIDIFILE");
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// Main code, its in a try thanks to all the calls that
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// might theoretically go wrong.
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try {
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// Get a list of midi devices installed. We added our own device
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// (well actually only a device provider) that returns a
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// MixerSequencer. Another option would be to use the
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// default RealtimeSequencer and then use a RMF midifile,
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// that way the RealtimeSequencer will be using a MixerSequencer.
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// But then we need our own MidiFileReader and return
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// the correct MidiFile info, this is much easier :)
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MidiDevice.Info[] infos = MidiSystem.getMidiDeviceInfo();
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// infos[0] should be our MixerSequencerProvider
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MidiDevice mixer = MidiSystem.getMidiDevice(infos[0]);
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// Turn it into a sequencer
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sequencer = (Sequencer)mixer;
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// Open it
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sequencer.open();
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// Get the input stream from the midi file so we
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// can use that in setSequencer
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InputStream midistream = getClass().getResourceAsStream(filename);
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//We need to convert the InputStream to an byteArrayInputStream
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// to avoid 'ERROR! java.io.IOException: mark/reset not supported'
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// exceptions
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ByteArrayOutputStream bos = new ByteArrayOutputStream();
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byte[] buf = new byte[1024];
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int c;
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while((c = midistream.read(buf)) != -1) {
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bos.write(buf, 0, c);
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}
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ByteArrayInputStream bamidistream = new ByteArrayInputStream(bos.toByteArray());
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// This will call nOpenRmfSequencer wich will the RMF SONG BlockID
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// as our pSong->userReference
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sequencer.setSequence(bamidistream);
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// We add a controler at the first array field.
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MyController mc = new MyController();
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// This will fil the right tables, and add our newly found
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// SONG id (in the .rmf file) where we want it.
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sequencer.addControllerEventListener(mc, new int[] {0});
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// Start playing the midi file, then find a nice
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// 00 B0 80 00 secquence and make us happy
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sequencer.start();
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} catch (Exception ex) {
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System.out.println("ERROR! " + ex);
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}
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}
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public void run() {
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}
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}
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