/*
* RED5 Open Source Flash Server - http://code.google.com/p/red5/
*
* Copyright 2006-2014 by respective authors (see below). All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.red5.server.midi;
import java.io.File;
import java.io.IOException;
import javax.sound.midi.InvalidMidiDataException;
import javax.sound.midi.MidiSystem;
import javax.sound.midi.MidiUnavailableException;
import javax.sound.midi.Sequencer;
import org.red5.logging.Red5LoggerFactory;
import org.slf4j.Logger;
/** Plays a midi file provided on command line */
public class MidiPlayer {
protected static Logger log = Red5LoggerFactory.getLogger(MidiPlayer.class);
public static void main(String args[]) {
// Argument check
if (args.length == 0) {
helpAndExit();
}
String file = args[0];
if (!file.endsWith(".mid")) {
helpAndExit();
}
File midiFile = new File(file);
if (!midiFile.exists() || midiFile.isDirectory() || !midiFile.canRead()) {
helpAndExit();
}
}
public MidiPlayer(File midiFile) {
// Play once
try {
Sequencer sequencer = MidiSystem.getSequencer();
sequencer.setSequence(MidiSystem.getSequence(midiFile));
sequencer.open();
sequencer.start();
/*
while(true) {
if (sequencer.isRunning()) {
try {
Thread.sleep(1000); // Check every second
} catch(InterruptedException ignore) {
break;
}
} else {
break;
}
}
// Close the MidiDevice & free resources
sequencer.stop();
sequencer.close();
*/
} catch (MidiUnavailableException mue) {
log.error("Midi device unavailable!", mue);
} catch (InvalidMidiDataException imde) {
log.error("Invalid Midi data!", imde);
} catch (IOException ioe) {
log.error("I/O Error!", ioe);
}
}
/** Provides help message and exits the program */
private static void helpAndExit() {
log.error("Usage: java MidiPlayer midifile.mid");
//System.exit(1);
}
}