public void PlayMidiFile(String name, String filename) {
Sequencer seq = null;
Transmitter seqTrans = null;
Synthesizer synth;
Receiver synthRcvr = null;
File midiFile = null;
try {
seq = MidiSystem.getSequencer();
seqTrans = seq.getTransmitter();
synth = MidiSystem.getSynthesizer();
synthRcvr = synth.getReceiver();
midiFile = new File(filename);
if (seq == null) {
Debug.showMessage("MidiCSD::PlayMidiFile: Sequencer nicht gefunden!");
} else {
seq.open();
seqTrans.setReceiver(synthRcvr);
Sequence mySeq;
mySeq = MidiSystem.getSequence(midiFile);
new Player(name, seq, mySeq, synth, m_playing).start();
}
} catch (MidiUnavailableException e) {
Debug.showException(e, "MidiCSD::PlayMidiFile: MidiUnavailable" + e.getMessage());
} catch (InvalidMidiDataException e) {
Debug.showException(e, "MidiCSD::PlayMidiFile: InvalidMidiDataException" + e.getMessage());
} catch (IOException e) {
Debug.showException(e, "MidiCSD::PlayMidiFile:IOException (fn:" + filename + ")");
}
}
public void playSequence() {
// Check if sequencer is stopped
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() == 47) {
sequencer.setTempoInBPM(tempo);
// start the song at the last position
sequencerFrame.doa = sequencerFrame.conway.nextStep();
parseSequence(sequencerFrame.doa);
sequencerFrame.refresh();
sequencer.start();
}
}
});
// first start
try {
sequencer.setSequence(sequence);
sequencer.start();
} catch (InvalidMidiDataException e) {
e.printStackTrace();
}
}
public Sequencer(int instrument, int tempo) {
// Set up initial settings for the sequencer
this.instrument = instrument;
this.tempo = tempo;
Synthesizer synth;
ticks = 0;
velocity = 64; // Mid volume
try {
// Setup values to create sequencer
sequence = new Sequence(Sequence.PPQ, 16);
sequencer = MidiSystem.getSequencer();
sequencer.open();
synth = MidiSystem.getSynthesizer();
synth.open();
sequencer.getTransmitter().setReceiver(synth.getReceiver());
sequencer.setTempoInBPM(tempo);
track = sequence.createTrack();
} catch (InvalidMidiDataException e) {
e.printStackTrace();
} catch (MidiUnavailableException e) {
e.printStackTrace();
}
}
private void fadeout(PlayTask th, int quarterNotes) {
int off = 0;
float subst = 1f / (quarterNotes * 32f);
synchronized (th.playQueue) {
Iterator<MidimsgHolder> i = th.playQueue.iterator();
MidimsgHolder last = null;
for (float factor = 1f; i.hasNext(); ) {
MidimsgHolder d = i.next();
if (d.msg != null) {
byte[] m = d.msg.getMessage();
if ((m[0] & 0xFF) >> 4 == 0x09) {
float fv = (float) (m[2] & 0xFF) * factor;
m[2] = (byte) fv;
ShortMessage m2 = new ShortMessage();
try {
m2.setMessage(NOTE_ON, m[0] & 0x0F, (int) (m[1] & 0xFF), (int) (m[2] & 0xFF));
d.msg = m2;
} catch (InvalidMidiDataException ex) {
ex.printStackTrace();
}
}
}
if (last != null) factor -= (d.offset - last.offset) * subst;
if (factor < 0f) factor = 0f;
last = d;
}
}
}
private void loadSoundBank(File soundbankFile) {
try {
synthesizer.close();
Soundbank sb = MidiSystem.getSoundbank(soundbankFile);
synthesizer = MidiSystem.getSynthesizer();
synthesizer.open();
System.out.println("soundbank added: " + sb);
if (sb != null) {
System.out.println("soundbank supported: " + synthesizer.isSoundbankSupported(sb));
boolean bInstrumentsLoaded = synthesizer.loadAllInstruments(sb);
System.out.println("Instruments loaded: " + bInstrumentsLoaded);
}
} catch (MidiUnavailableException e) {
e.printStackTrace();
} catch (InvalidMidiDataException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Shows an edit midi event dialog.
*
* @param event The events to be edited.
* @return <code>true</code> if the dialog has been shown.
*/
public static boolean showEditShortMessageEventDialog(
MidiEvent event, TrackProxy track, MidiDescriptor midiDescriptor) {
MidiEditPanel mep =
new MidiEditPanel(
track,
event,
SgEngine.getInstance().getResourceBundle().getString("midi.event.edit.event"));
Object[] message = new Object[] {mep};
int option =
JOptionPane.showConfirmDialog(
getMainFrame(),
message,
SgEngine.getInstance().getResourceBundle().getString("midi.event.edit.title"),
JOptionPane.OK_CANCEL_OPTION,
JOptionPane.PLAIN_MESSAGE,
null);
if (option == JOptionPane.OK_OPTION && mep.hasChanged()) {
try {
// create change edit and perform changes
Object changeObj = new Object();
ChangeEventsEdit edit =
new ChangeEventsEdit(track, new MidiEvent[] {event}, midiDescriptor, null, changeObj);
mep.applyChanges(changeObj);
edit.perform();
midiDescriptor.getUndoManager().addEdit(edit);
} catch (InvalidMidiDataException imdex) {
JOptionPane.showMessageDialog(
getMainFrame(),
imdex.getMessage(),
SgEngine.getInstance().getResourceBundle().getString("error.invalidMidiData"),
JOptionPane.ERROR_MESSAGE);
}
}
return true;
}
/*
* Uses the sequencer to play a Midi sequence from a .mid file
* or a .txt file containing a JFugue string.
*/
public void playMidiFile(String filePath) {
try {
if (filePath.equals("")) {
// launch a file chooser (just for testing)
final JFileChooser fc = new JFileChooser();
int returnVal = fc.showOpenDialog(app.getMainComponent());
if (returnVal == JFileChooser.APPROVE_OPTION) {
filePath = fc.getSelectedFile().getAbsolutePath();
}
}
String ext = filePath.substring(filePath.lastIndexOf(".") + 1);
if (ext.equals("mid")) {
// Load new sequence from .mid file
tickPosition = 0;
sequence = MidiSystem.getSequence(new File(filePath));
playSequence(sequence, tickPosition);
} else if (ext.equals("txt")) {
playJFugueFromFile(new File(filePath));
} else if (ext.equals("gm")) {
loadSoundBank(new File(filePath));
}
} catch (IOException e) {
e.printStackTrace();
} catch (InvalidMidiDataException e) {
e.printStackTrace();
}
}
/**
* Constructor. It breaks a Song into its MidiEvent components, and adds them together in order to
* create a MIDI file.
*
* @param song The song to export
*/
public MidiExporter() {
// Create the Sequence that will contain everything
try {
sequence = new Sequence(Sequence.PPQ, 2);
} catch (InvalidMidiDataException ex) {
ex.printStackTrace();
System.exit(1);
}
}
/**
* Plays a sequence, optionally looping. This method returns immediately. The sequence is not
* played if it is invalid.
*/
public void play(Sequence sequence, boolean loop) {
if (sequencer != null && sequence != null && sequencer.isOpen()) {
try {
sequencer.setSequence(sequence);
sequencer.start();
this.loop = loop;
} catch (InvalidMidiDataException ex) {
ex.printStackTrace();
}
}
}
public static MidiEvent createEvent(int command, int channel, int one, int two, long tick) {
MidiEvent midiEvent = null;
try {
ShortMessage message = new ShortMessage();
message.setMessage(command, channel, one, two);
midiEvent = new MidiEvent(message, tick);
} catch (InvalidMidiDataException e) {
e.printStackTrace();
}
return midiEvent;
}
/**
* Send a NOTE OFF message on this output.
*
* @param channel Channel on which to send the message
* @param note Note pitch
* @param velocity Note velocity
* @return 1 on success, 0 on error
*/
public int sendNoteOff(int channel, int note, int velocity) {
ShortMessage msg = new ShortMessage();
try {
msg.setMessage(MidiEvent.NOTE_OFF, channel, note, velocity);
receiver.send(msg, -1);
return 1;
} catch (InvalidMidiDataException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return 0;
}
}
/**
* Send a SYSEX MIDI message on this output
*
* @param msg Bytes of the sysex message, have to contain 0xF0 at the beginning and 0xF7 at the
* end
* @return 1 on success, 0 on error
*/
public int sendSysex(byte[] msg) {
javax.sound.midi.SysexMessage msg2 = new javax.sound.midi.SysexMessage();
try {
msg2.setMessage(msg, msg.length);
receiver.send(msg2, 0);
return 1;
} catch (InvalidMidiDataException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return 0;
}
}
/**
* Send a Program Change on this output
*
* @param channel Channel on which to send the message
* @param value Program Change value
* @return 1 on success, 0 on error
*/
public int sendProgramChange(int value) {
ShortMessage msg = new ShortMessage();
try {
msg.setMessage(MidiEvent.PROGRAM_CHANGE, value, -1);
receiver.send(msg, -1);
return 1;
} catch (InvalidMidiDataException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return 0;
}
}
/**
* Send a Controller change message on this output.
*
* @param channel Channel on which to send the message
* @param cc Controller Change number
* @param value Controller Change value
* @return 1 on success, 0 on error
*/
public int sendController(int channel, int cc, int value) {
ShortMessage msg = new ShortMessage();
try {
msg.setMessage(MidiEvent.CONTROL_CHANGE, channel, cc, value);
receiver.send(msg, -1);
return 1;
} catch (InvalidMidiDataException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return 0;
}
}
// mergePlayEmptyTest(): m1 and/or m2 empty
@Test
public void mergePlayEmptyTest() {
Merge a = new Merge(new Rest(0), new Rest(0));
try {
SequencePlayer player = new SequencePlayer(140, 12);
a.play(player, 0);
assertEquals("Meta event: END_OF_TRACK Tick: 0\n", player.toString());
} catch (MidiUnavailableException mue) {
mue.printStackTrace();
} catch (InvalidMidiDataException imde) {
imde.printStackTrace();
}
}
/** Carrega a seqüência do sistema de arquivos. Retorna null se um erro ocorrer. */
public Sequence getSequence(String name) {
String filename = "/recursos/sons/" + name;
try {
return MidiSystem.getSequence(getClass().getResource((filename)));
} catch (InvalidMidiDataException ex) {
ex.printStackTrace();
return null;
} catch (IOException ex) {
ex.printStackTrace();
return null;
}
}
private void tune(final Receiver recv) {
try {
if (rebasedTuning != null) {
for (int i = 0; i < 16; i++) {
MidiUtils.sendTunings(recv, i, 0, "african", rebasedTuning);
MidiUtils.sendTuningChange(recv, i, 0);
}
}
} catch (final IOException e) {
LOG.log(Level.SEVERE, e.getMessage(), e);
} catch (final InvalidMidiDataException e) {
LOG.log(Level.SEVERE, e.getMessage(), e);
}
}
void init_midi(LContext lcontext) {
if (!midiSynthInitialized) {
midiSynthInitialized = true;
try {
midiSynth = MidiSystem.getSynthesizer();
midiSynth.open();
if (midiSynth.getDefaultSoundbank() == null) {
((LContext) lcontext).canvas.setMessage
("Reading sound bank from server. Please wait...");
if (lcontext != null) {
/* empty */
}
URL url = new URL(((LContext) lcontext).codeBase
+ "soundbank.gm");
Soundbank soundbank = MidiSystem.getSoundbank(url);
if (soundbank != null) {
midiSynth.loadAllInstruments(soundbank);
((LContext) lcontext).canvas.setMessage("");
} else {
midiSynth.close();
midiSynth = null;
}
}
} catch (MidiUnavailableException midiunavailableexception) {
midiunavailableexception.printStackTrace();
midiSynth = null;
} catch (MalformedURLException malformedurlexception) {
malformedurlexception.printStackTrace();
midiSynth = null;
} catch (InvalidMidiDataException invalidmididataexception) {
invalidmididataexception.printStackTrace();
midiSynth = null;
} catch (IOException ioexception) {
ioexception.printStackTrace();
midiSynth = null;
} catch (AccessControlException accesscontrolexception) {
accesscontrolexception.printStackTrace();
midiSynth = null;
}
if (midiSynth != null) {
MidiChannel[] midichannels = midiSynth.getChannels();
for (int i = 0; i < midichannels.length; i++) {
if (midichannels[i] != null)
midichannels[i].programChange(0);
}
} else
((LContext) lcontext).canvas.setMessage
("No soundbank; note & drum commands disabled.");
}
}
/**
* Create the MidiEvent for a note, given the data.
*
* @param command The command value for the ShortMessage
* @param note The MIDI value for the note to be played
* @param eventTime When this event should occur
* @param velocity The velocity of this note
* @return The MidiEvent for the note
*/
private MidiEvent createNoteEvent(int command, int note, int eventTime, int velocity) {
// Create the message and set its parameters to the ones given.
ShortMessage message = new ShortMessage();
try {
message.setMessage(command, 0, note, velocity);
} catch (InvalidMidiDataException ex) {
// Something went wrong.
ex.printStackTrace();
System.exit(1);
}
// Create the MidiEvent and return it.
return new MidiEvent(message, eventTime);
}
// musicPlayLargeCaseTest(): row row row your boat
@Test
public void musicPlayLargeCaseTest() {
try {
SequencePlayer player = new SequencePlayer(140, 12);
rowRowRowYourBoat.play(player, .125);
player.play();
Thread.sleep(10000);
} catch (MidiUnavailableException mue) {
mue.printStackTrace();
} catch (InvalidMidiDataException imde) {
imde.printStackTrace();
} catch (InterruptedException ie) {
ie.printStackTrace();
}
}
public void outputFirstEvents() {
if (notes.get(currentNote).getTime() == 0) {
Event currentEvent = notes.get(currentNote);
for (int note : currentEvent.getAllNotes()) {
try {
MidiMessage message = new ShortMessage(ShortMessage.NOTE_ON, 0, note, 97);
receiver.send(message, System.nanoTime());
} catch (InvalidMidiDataException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
currentNote++;
}
}
/** Loads a sequence from an input stream. Returns null if an error occurs. */
public Sequence getSequence(InputStream is) {
try {
if (!is.markSupported()) {
is = new BufferedInputStream(is);
}
Sequence s = MidiSystem.getSequence(is);
is.close();
return s;
} catch (InvalidMidiDataException ex) {
ex.printStackTrace();
return null;
} catch (IOException ex) {
ex.printStackTrace();
return null;
}
}
public NoteIndexMessage(int indexInScore) {
// System.out.println("new NoteIndexMessage(" + indexInScore +")");
// FF 7F <len> <id> <data> Sequencer-Specific Meta-event
// m_pos = pos;
byte[] buffer = new byte[3];
buffer[0] = (byte) ((indexInScore & 0x00ff0000) >> 16);
buffer[1] = (byte) ((indexInScore & 0x0000ff00) >> 8);
buffer[2] = (byte) (indexInScore & 0x000000ff);
try {
setMessage(MidiMessageType.NOTE_INDEX_MARKER, buffer, buffer.length);
} catch (InvalidMidiDataException e) {
e.printStackTrace();
}
}
/**
* Displays a dialog that allows the user to set the number of repeatings of the given MIDI note
* on the given MIDI track. If the user confirms, an undoable edit is created and added to the
* provided <code>MidiDescriptor</code>'s <code>UndoManager</code>.
*
* @param midiDescriptor The <code>MidiDescriptor</code>.
* @param track The MIDI track. It is assumed that this track belongs to the given <code>
* MidiDescriptor</code>'s <code>SgMidiSequence</code>.
* @param events The events that describe the note to be repeated. It is assumed that these events
* belong to the given MIDI track.
*/
public static void showRepeatNoteDialog(
MidiDescriptor midiDescriptor, TrackProxy track, MidiEvent[] events) {
ResourceBundle rb = SgEngine.getInstance().getResourceBundle();
SgMidiSequence sequence = null;
try {
sequence = midiDescriptor.getSequence();
} catch (InvalidMidiDataException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
if (sequence == null) {
return;
}
RepeatNotePanel repeatNotePanel = new RepeatNotePanel(1, 4);
Object[] message =
new Object[] {
repeatNotePanel,
};
int option =
JOptionPane.showConfirmDialog(
getMainFrame(),
message,
rb.getString("midi.note.repeat.title"),
JOptionPane.OK_CANCEL_OPTION,
JOptionPane.PLAIN_MESSAGE,
null);
if (option == JOptionPane.OK_OPTION) {
int tactCount = repeatNotePanel.getTactCountValue();
int countPerTact = repeatNotePanel.getCountPerTactValue();
MidiEvent[] addedEvents = MidiToolkit.repeatEvents(sequence, events, countPerTact, tactCount);
AddEventsEdit undoableEdit =
new AddEventsEdit(
track,
addedEvents,
midiDescriptor,
rb.getString("edit.repeatEventsEdit"),
UiToolkit.class);
undoableEdit.perform();
midiDescriptor.getUndoManager().addEdit(undoableEdit);
}
}
// parallelPlayEqualsTest(): m1 = m2
@Test
public void parallelPlayEqualsTest() {
Parallel a = new Parallel(new Note(1, new Pitch('C')), new Note(1, new Pitch('C')));
try {
SequencePlayer player = new SequencePlayer(140, 12);
a.play(player, 0);
assertEquals(
"Event: NOTE_ON Pitch: 60 Tick: 0\n"
+ "Event: NOTE_ON Pitch: 60 Tick: 0\n"
+ "Event: NOTE_OFF Pitch: 60 Tick: 12\n"
+ "Event: NOTE_OFF Pitch: 60 Tick: 12\n"
+ "Meta event: END_OF_TRACK Tick: 12\n",
player.toString());
} catch (MidiUnavailableException mue) {
mue.printStackTrace();
} catch (InvalidMidiDataException imde) {
imde.printStackTrace();
}
}
/**
* Send a Pitch Bend on this output
*
* @param channel Channel on which to send the message
* @param value Program Change value
* @return 1 on success, 0 on error
*/
public int sendPitchBend(int channel, int value) {
ShortMessage msg = new ShortMessage();
try {
// int ub = (int)Math.floor( value / 128 );
// int bb = value-(128*ub);
int bb = value & 0x7f;
int ub = value >> 7;
// if( ub>0 ){ bb = bb | 0x80; }
// System.out.println("ub="+ub);
// System.out.println("bb="+bb);
msg.setMessage(MidiEvent.PITCH_BEND, channel, bb, ub);
receiver.send(msg, -1);
return 1;
} catch (InvalidMidiDataException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return 0;
}
}
public void playMusic() {
if (judgetone == true) {
System.out.print("Make Cheerful Song.\r\n");
try {
sequence = new Sequence(Sequence.PPQ, 24, 3);
MelodyMaker.setCheerfulMelody(sequence, length, velocity);
AccompanimentMaker.makeCheerfulAccompaniment(sequence, length, velocity);
sequencer = MidiSystem.getSequencer();
sequencer.open();
sequencer.setSequence(sequence);
sequencer.start();
while (sequencer.isRunning()) Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
} catch (MidiUnavailableException e) {
e.printStackTrace();
} catch (InvalidMidiDataException e) {
e.printStackTrace();
} finally {
if (sequencer != null && sequencer.isOpen()) sequencer.close();
}
} else if (judgetone == false) {
System.out.print("Make Gloomy Song.\r\n");
try {
sequence = new Sequence(Sequence.PPQ, 24, 3);
MelodyMaker.setGloomyMelody(sequence, length, velocity);
AccompanimentMaker.makeGloomyAccompaniment(sequence, length, velocity);
sequencer = MidiSystem.getSequencer();
sequencer.open();
sequencer.setSequence(sequence);
sequencer.start();
while (sequencer.isRunning()) Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
} catch (MidiUnavailableException e) {
e.printStackTrace();
} catch (InvalidMidiDataException e) {
e.printStackTrace();
} finally {
if (sequencer != null && sequencer.isOpen()) sequencer.close();
}
}
}
// chordPlayDifferentDurationsTest(): m1.duration != m2.duration
@Test
public void chordPlayDifferentDurationsTest() {
Chord a = new Chord(new Note(1, new Pitch('D')), new Note(2, new Pitch('C')));
try {
SequencePlayer player = new SequencePlayer(140, 12);
a.play(player, 0);
assertEquals(
"Event: NOTE_ON Pitch: 62 Tick: 0\n"
+ "Event: NOTE_ON Pitch: 60 Tick: 0\n"
+ "Event: NOTE_OFF Pitch: 62 Tick: 12\n"
+ "Event: NOTE_OFF Pitch: 60 Tick: 24\n"
+ "Meta event: END_OF_TRACK Tick: 24\n",
player.toString());
} catch (MidiUnavailableException mue) {
mue.printStackTrace();
} catch (InvalidMidiDataException imde) {
imde.printStackTrace();
}
}
private void sendIfReady() {
// send event if ready
while (ready()) {
Event currentEvent = notes.get(currentNote);
for (int note : currentEvent.getAllNotes()) {
try {
MidiMessage message = new ShortMessage(ShortMessage.NOTE_ON, 0, note, 97);
receiver.send(message, System.nanoTime());
} catch (InvalidMidiDataException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
currentNote++;
}
if (currentNote >= notes.size()) {
done = true;
}
}
// notePlayTest(): covers all partitions
@Test
public void notePlayTest() {
Note shortNote = new Note(.5, new Pitch('A'));
Note highNote = new Note(20, new Pitch('A')).transpose(20);
try {
SequencePlayer player = new SequencePlayer(140, 12);
shortNote.play(player, 0);
highNote.play(player, .5);
assertEquals(
"Event: NOTE_ON Pitch: 69 Tick: 0\n"
+ "Event: NOTE_OFF Pitch: 69 Tick: 6\n"
+ "Event: NOTE_ON Pitch: 89 Tick: 6\n"
+ "Event: NOTE_OFF Pitch: 89 Tick: 246\n"
+ "Meta event: END_OF_TRACK Tick: 246\n",
player.toString());
} catch (MidiUnavailableException mue) {
mue.printStackTrace();
} catch (InvalidMidiDataException imde) {
imde.printStackTrace();
}
}