Example usage for javax.sound.midi Sequencer open

Introduction

In this page you can find the example usage for javax.sound.midi Sequencer open.

Prototype

void open() throws MidiUnavailableException;

Source Link

Document

Opens the device, indicating that it should now acquire any system resources it requires and become operational.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    Sequencer sequencer = MidiSystem.getSequencer();
    sequencer.open();
    double seconds = sequencer.getMicrosecondPosition() / 1000000.0;
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    Sequencer sequencer = MidiSystem.getSequencer();
    sequencer.open();
    sequencer.addMetaEventListener(new MetaEventListener() {
        public void meta(MetaMessage event) {
            if (event.getType() == 47) {
                // Sequencer is done playing
            }/*w  w  w . j  a  v a 2s.c om*/
        }
    });

}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    Sequence sequence = MidiSystem.getSequence(new File("midiaudiofile"));

    sequence = MidiSystem.getSequence(new URL("http://hostname/midiaudiofile"));

    // Create a sequencer for the sequence
    Sequencer sequencer = MidiSystem.getSequencer();
    sequencer.open();
    sequencer.setSequence(sequence);// w ww .j a  va  2  s.c  o m

    double durationInSecs = sequencer.getMicrosecondLength() / 1000000.0;

}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    Sequencer sequencer = MidiSystem.getSequencer();
    sequencer.open();
    if (sequencer instanceof Synthesizer) {
        Synthesizer synthesizer = (Synthesizer) sequencer;
        MidiChannel[] channels = synthesizer.getChannels();

        // gain is a value between 0 and 1 (loudest)
        double gain = 0.9D;
        for (int i = 0; i < channels.length; i++) {
            channels[i].controlChange(7, (int) (gain * 127.0));
        }//from   www .  jav  a  2 s.c  o  m
    }
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    Sequence sequence = MidiSystem.getSequence(new File("midifile"));

    // From URL/*from   w ww . ja  v a2 s  .c om*/
    sequence = MidiSystem.getSequence(new URL("http://hostname/midifile"));

    // Create a sequencer for the sequence
    Sequencer sequencer = MidiSystem.getSequencer();
    sequencer.open();
    sequencer.setSequence(sequence);

    // Start playing
    sequencer.start();
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    // From file/*from www.ja  va  2 s. co m*/
    Sequence sequence = MidiSystem.getSequence(new File("midiaudiofile"));

    // From URL
    // sequence = MidiSystem.getSequence(new
    // URL("http://hostname/midiaudiofile"));

    // Create a sequencer for the sequence
    Sequencer sequencer = MidiSystem.getSequencer();
    sequencer.open();
    sequencer.setSequence(sequence);

    // Start playing
    sequencer.start();
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    Sequencer sequencer = MidiSystem.getSequencer();
    sequencer.open();

    // From file/*from w  w  w. j  av  a2  s. c o  m*/
    InputStream input = new BufferedInputStream(new FileInputStream(new File("midiaudiofile")));

    // From URL
    input = new BufferedInputStream(new URL("http://hostname/rmffile").openStream());

    sequencer.setSequence(input);

    // Start playing
    sequencer.start();
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    Sequencer sequencer = MidiSystem.getSequencer();
    sequencer.open();

    // From file//w  ww  .ja v a 2s .  co  m
    InputStream is = new BufferedInputStream(new FileInputStream(new File("midifile")));

    // From URL
    //    is = new BufferedInputStream(new URL("http://hostname/rmffile")
    //      .openStream());

    sequencer.setSequence(is);

    // Start playing
    sequencer.start();
}

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From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame();
    DrawPanel dp = new DrawPanel();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setContentPane(dp);//  www .  jav a  2  s  . com
    frame.pack();
    frame.setLocationByPlatform(true);
    try {
        Sequence seq = new Sequence(Sequence.PPQ, 4);
        Track track = seq.createTrack();
        for (int i = 0; i < 120; i += 4) {
            int d = (int) Math.abs(new Random().nextGaussian() * 24) + 32;
            track.add(makeEvent(ShortMessage.NOTE_ON, 1, d, 127, i));
            track.add(makeEvent(ShortMessage.CONTROL_CHANGE, 1, 127, 0, i));
            track.add(makeEvent(ShortMessage.NOTE_OFF, 1, d, 127, i));
        }
        Sequencer sequencer = MidiSystem.getSequencer();
        sequencer.open();
        sequencer.setSequence(seq);
        sequencer.addControllerEventListener(dp, new int[] { 127 });
        sequencer.start();
    } catch (Exception e) {
        e.printStackTrace();
    }
    frame.setVisible(true);
}

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From source file:PlayerPiano.java

public static void main(String[] args) throws MidiUnavailableException, InvalidMidiDataException, IOException {
    int instrument = 0;
    int tempo = 120;
    String filename = null;/*  w  w  w.  j  ava2 s. c  om*/

    // Parse the options
    // -i <instrument number> default 0, a piano. Allowed values: 0-127
    // -t <beats per minute> default tempo is 120 quarter notes per minute
    // -o <filename> save to a midi file instead of playing
    int a = 0;
    while (a < args.length) {
        if (args[a].equals("-i")) {
            instrument = Integer.parseInt(args[a + 1]);
            a += 2;
        } else if (args[a].equals("-t")) {
            tempo = Integer.parseInt(args[a + 1]);
            a += 2;
        } else if (args[a].equals("-o")) {
            filename = args[a + 1];
            a += 2;
        } else
            break;
    }

    char[] notes = args[a].toCharArray();

    // 16 ticks per quarter note.
    Sequence sequence = new Sequence(Sequence.PPQ, 16);

    // Add the specified notes to the track
    addTrack(sequence, instrument, tempo, notes);

    if (filename == null) { // no filename, so play the notes
        // Set up the Sequencer and Synthesizer objects
        Sequencer sequencer = MidiSystem.getSequencer();
        sequencer.open();
        Synthesizer synthesizer = MidiSystem.getSynthesizer();
        synthesizer.open();
        sequencer.getTransmitter().setReceiver(synthesizer.getReceiver());

        // Specify the sequence to play, and the tempo to play it at
        sequencer.setSequence(sequence);
        sequencer.setTempoInBPM(tempo);

        // Let us know when it is done playing
        sequencer.addMetaEventListener(new MetaEventListener() {
            public void meta(MetaMessage m) {
                // A message of this type is automatically sent
                // when we reach the end of the track
                if (m.getType() == END_OF_TRACK)
                    System.exit(0);
            }
        });
        // And start playing now.
        sequencer.start();
    } else { // A file name was specified, so save the notes
        int[] allowedTypes = MidiSystem.getMidiFileTypes(sequence);
        if (allowedTypes.length == 0) {
            System.err.println("No supported MIDI file types.");
        } else {
            MidiSystem.write(sequence, allowedTypes[0], new File(filename));
            System.exit(0);
        }
    }
}

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