{
try {
sq = MidiSystem.getSequencer();
} catch (MidiUnavailableException e) {
e.printStackTrace();
}
}
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();
}
}
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();
}
}
public boolean initialize() {
boolean success = true;
try {
sequencer = MidiSystem.getSequencer();
sequencer.addMetaEventListener(this);
if (synthesizer == null) {
if ((synthesizer = MidiSystem.getSynthesizer()) == null) {
Application.debug("getSynthesizer() failed!");
return false;
}
Soundbank sb = synthesizer.getDefaultSoundbank();
if (sb != null) {
instruments = synthesizer.getDefaultSoundbank().getInstruments();
synthesizer.loadInstrument(instruments[0]);
}
channels = synthesizer.getChannels();
}
} catch (MidiUnavailableException e) {
e.printStackTrace();
return false;
} catch (Exception e) {
e.printStackTrace();
return false;
}
return success;
}
public MidiViewImpl() {
try {
this.synth = MidiSystem.getSynthesizer();
this.receiver = synth.getReceiver();
this.synth.open();
} catch (MidiUnavailableException e) {
e.printStackTrace();
}
}
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();
}
}
}
public MidiReceiverForTransmitterDevice() {
parser = new MidiParser();
renderer = new MusicStringRenderer();
parser.addParserListener(renderer);
try {
sequencer = MidiSystem.getSequencer();
sequencerReceiver = sequencer.getReceiver();
} catch (MidiUnavailableException e) {
e.printStackTrace();
}
}
// 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();
}
}
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.");
}
}
// 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 playSequenceFromJFugueString(String noteString, int instrument) {
initialize();
try {
sequencer.open();
synthesizer.open();
} catch (MidiUnavailableException e) {
e.printStackTrace();
}
noteString = "I[" + instrument + "] " + noteString;
player = new Player(sequencer);
Pattern pattern = new Pattern(noteString);
PlayerThread thread = new PlayerThread(player, pattern);
thread.start();
}
/** Method to get all available midi ports and add them to the corresponding device list. */
private void getAvailablePorts() {
javax.sound.midi.MidiDevice.Info[] infos = MidiSystem.getMidiDeviceInfo();
for (int i = 0; i < infos.length; i++) {
try {
javax.sound.midi.MidiDevice theDevice = MidiSystem.getMidiDevice(infos[i]);
if (theDevice instanceof javax.sound.midi.Sequencer) {
// Ignore this device as it's a sequencer
} else if (theDevice.getMaxReceivers() != 0) {
midiOutDevices.add(theDevice);
} else if (theDevice.getMaxTransmitters() != 0) {
midiInputDevices.add(theDevice);
}
} catch (MidiUnavailableException e) {
e.printStackTrace();
}
}
}
/**
* Constructs a default MidiView by constructing a synthesizer and receiver, and turning the
* synthesizer open. If a MidiSystem is unavailable, an exception is thrown.
*/
public MidiView(MusicEditorModel model) {
Synthesizer synthesizer = null;
Receiver rcvr = null;
try {
synthesizer = MidiSystem.getSynthesizer();
rcvr = synthesizer.getReceiver();
} catch (MidiUnavailableException e) {
e.printStackTrace();
}
this.synth = synthesizer;
try {
this.synth.open();
} catch (MidiUnavailableException e) {
System.err.println("Midi device is unavailable");
}
this.receiver = rcvr;
this.model = new MusicEditorViewModel(model);
}
// 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();
}
}
// 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();
}
}
/**
* Sets up the sequencer with a given sequence.
*
* @param sequenceToUse
* @throws MidiUnavailableException
*/
private void setUpSequencer() throws MidiUnavailableException {
// First, get the system's default sequencer.
try {
sequencer = MidiSystem.getSequencer();
} catch (MidiUnavailableException ex) {
// Something went wrong.
ex.printStackTrace();
System.exit(1);
}
// If there is none, throw an exception.
if (sequencer == null) {
String msg = "Cannot find a sequencer";
throw new MidiUnavailableException(msg);
}
// Set up the transmitter and receiver of the synth to play the song.
linkTransmitterToReceiver();
}
// 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();
}
}
/** @return The reciever associated with this lane */
public Receiver getReceiver() {
MidiDevice dev = ftw.getMidiDevice();
if (dev == null) {
return null;
}
try {
// Jens:
// return getTrack().getMidiDevice().getReceiver();
Receiver r = ftw.getMidiDevice().getReceiver();
if (r != null) {
return new MonitorReceiver(midiMessageListeners, r);
} else {
return null;
}
} catch (MidiUnavailableException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return null;
}
}
/**
* Transforms the Voices of the Piece into Pitches which are then subscribed according to timing
* to an internal SequencePlayer, then plays that SequencePlayer to play the Piece out loud
*
* <p>Catches SequencePlayer Errors internally to avoid them being part of the ABCMusic's
* responsibility
*
* <p>Note: because tempo must be converted to quarter notes, tempos that are not divisible by 4
* will have rounding errors that propagate into the music itself, its fairly negligible, but it
* exists.
*
* <p>Note: Assumes that 1/16 of the default note length is the shortest note that would be
* desired to play, any note shorter will play for 1/16 of a default note duration
*/
public void PlayMusic() {
try {
// Right now it converts bpm to be based on the number of 1/4 given how many L*Q notes exist
// with the quantized time being
int quartersPerMin = (getTempo() * getNoteLength()[0] * 4) / (getNoteLength()[1]);
int ticksPerQuarter = (getNoteLength()[1] * 16) / (getNoteLength()[0] * 4);
player = new SequencePlayer(quartersPerMin, ticksPerQuarter);
// Figure out what the Key means, and keep it as a map to edit notes as they are added
keySignature = getKeySignature();
// Initialize the accidentals as none, then use that as what gets edited through a meter
resetKeyAccidental();
for (Iterator<Voice> i = VoicesList.iterator(); i.hasNext(); ) {
int startTick = 0;
for (Iterator<Bars> j = i.next().BarsList.iterator(); j.hasNext(); ) {
for (Iterator<Meters> k = j.next().MetersList.iterator(); k.hasNext(); ) {
for (Iterator<NoteToken> l = k.next().getElts().iterator(); l.hasNext(); ) {
NoteToken workingNote = l.next();
if (workingNote.getType() == Tokens.Type.CHORD) {
int noteTicks = 0;
for (int m = 0; m < workingNote.getElts().length; m++) {
Pitch newNote = constructNote(workingNote.getElts()[m]);
// Length of a note in terms of quarters
double noteLength =
((double) workingNote.getElts()[m].getLength()[0]
/ (double) workingNote.getElts()[m].getLength()[1])
* ((double) (getNoteLength()[0] * 4) / ((double) getNoteLength()[1]));
// Convert the quarters to valid ticks
noteTicks = (int) (noteLength * ticksPerQuarter);
player.addNote(newNote.toMidiNote(), startTick, noteTicks);
}
startTick += noteTicks;
} else if (workingNote.getType() == Tokens.Type.REST) {
// Don't need to make rests
// Length of a note in terms of quarters
double noteLength =
((double) workingNote.getLength()[0] / (double) workingNote.getLength()[1])
* ((double) (getNoteLength()[0] * 4) / ((double) getNoteLength()[1]));
// Convert the quarters to valid ticks
// Add ticks for the rests skipping time
int noteTicks = (int) (noteLength * ticksPerQuarter);
startTick += noteTicks;
} else {
Pitch newNote = constructNote(workingNote);
// Length of a note in terms of quarters
double noteLength =
((double) workingNote.getLength()[0] / (double) workingNote.getLength()[1])
* ((double) (getNoteLength()[0] * 4) / ((double) getNoteLength()[1]));
// Convert the quarters to valid ticks
int noteTicks = (int) (noteLength * ticksPerQuarter);
player.addNote(newNote.toMidiNote(), startTick, noteTicks);
startTick += noteTicks;
}
}
// Reset Accidentals at the end of the Meter
resetKeyAccidental();
}
}
}
// Play the finished SequencePlayer with all Voice there-in
player.play();
// Catch undesirable errors
} catch (MidiUnavailableException e) {
e.printStackTrace();
} catch (InvalidMidiDataException e) {
e.printStackTrace();
}
}