Example usage for javax.sound.midi MetaMessage MetaMessage

Introduction

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

Prototype

public MetaMessage() 

Source Link

Document

Constructs a new MetaMessage .

Usage

From source file:com.rockhoppertech.music.midi.js.MIDIEvent.java

/**
 * Create a JavaSound MidiMessage from this instance.
 * /*w  w  w  .j  a  va2  s.  co  m*/
 * @param mm
 * @return
 */
private MidiMessage createMidiMessage() {
    MidiMessage mm = null;
    if (MIDIUtils.isChannelMessage(status)) {
        logger.debug("isChannelMessage for " + Integer.toHexString(status));
        mm = MIDIUtils.createShortMessage(status, bytes);

    } else if (MIDIUtils.isMetaMessage(status)) {
        logger.debug("MetaMessage: " + Integer.toHexString(status));
        MetaMessage meta = new MetaMessage();
        try {
            meta.setMessage(metaMessageType, bytes, bytes.length);
        } catch (InvalidMidiDataException e) {
            e.printStackTrace();
        }
        mm = meta;

    } else if (MIDIUtils.isSysexMessage(status)) {
        logger.debug("Sysex message: " + Integer.toHexString(status));
        SysexMessage sex = new SysexMessage();
        try {
            sex.setMessage(bytes, bytes.length);
        } catch (InvalidMidiDataException e) {
            e.printStackTrace();
        }
        mm = sex;
    } else {
        logger.debug("Unknown status " + Integer.toHexString(status));
    }
    return mm;
}

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From source file:at.ofai.music.util.WormFileParseException.java

public Sequence toMIDI(EventList pedal) throws InvalidMidiDataException {
    final int midiTempo = 1000000;
    Sequence s = new Sequence(Sequence.PPQ, 1000);
    Track[] tr = new Track[16];
    tr[0] = s.createTrack();/*w  w  w .j av a 2s .  c o m*/
    MetaMessage mm = new MetaMessage();
    byte[] b = new byte[3];
    b[0] = (byte) ((midiTempo >> 16) & 0xFF);
    b[1] = (byte) ((midiTempo >> 8) & 0xFF);
    b[2] = (byte) (midiTempo & 0xFF);
    mm.setMessage(0x51, b, 3);
    tr[0].add(new MidiEvent(mm, 0L));
    for (Event e : l) { // from match or beatTrack file
        if (e.midiCommand == 0) // skip beatTrack file
            break;
        if (tr[e.midiTrack] == null)
            tr[e.midiTrack] = s.createTrack();
        //switch (e.midiCommand) 
        //case ShortMessage.NOTE_ON:
        //case ShortMessage.POLY_PRESSURE:
        //case ShortMessage.CONTROL_CHANGE:
        //case ShortMessage.PROGRAM_CHANGE:
        //case ShortMessage.CHANNEL_PRESSURE:
        //case ShortMessage.PITCH_BEND:
        ShortMessage sm = new ShortMessage();
        sm.setMessage(e.midiCommand, e.midiChannel, e.midiPitch, e.midiVelocity);
        tr[e.midiTrack].add(new MidiEvent(sm, (long) Math.round(1000 * e.keyDown)));
        if (e.midiCommand == ShortMessage.NOTE_ON) {
            sm = new ShortMessage();
            sm.setMessage(ShortMessage.NOTE_OFF, e.midiChannel, e.midiPitch, 0);
            tr[e.midiTrack].add(new MidiEvent(sm, (long) Math.round(1000 * e.keyUp)));
        }
    }
    if (pedal != null) { // from MIDI file
        //      if (t.size() > 0)   // otherwise beatTrack files leave an empty trk
        //         t = s.createTrack();
        for (Event e : pedal.l) {
            if (tr[e.midiTrack] == null)
                tr[e.midiTrack] = s.createTrack();
            ShortMessage sm = new ShortMessage();
            sm.setMessage(e.midiCommand, e.midiChannel, e.midiPitch, e.midiVelocity);
            tr[e.midiTrack].add(new MidiEvent(sm, (long) Math.round(1000 * e.keyDown)));
            if (e.midiCommand == ShortMessage.NOTE_ON) {
                sm = new ShortMessage();
                sm.setMessage(ShortMessage.NOTE_OFF, e.midiChannel, e.midiPitch, e.midiVelocity);
                tr[e.midiTrack].add(new MidiEvent(sm, (long) Math.round(1000 * e.keyUp)));
            }
            //catch (InvalidMidiDataException exception) {}
        }
    }
    return s;
}

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