Java Code Examples for javax.sound.midi.Sequence#PPQ
The following examples show how to use
javax.sound.midi.Sequence#PPQ .
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Example 1
| Source File: RealTimeSequencer.java From Bytecoder with Apache License 2.0 | 5 votes |
|
private long millis2tick(long millis) {
if (divisionType != Sequence.PPQ) {
double dTick = ((((double) millis) * tempoFactor)
* ((double) divisionType)
* ((double) resolution))
/ ((double) 1000);
return (long) dTick;
}
return MidiUtils.microsec2ticks(millis * 1000,
currTempo * inverseTempoFactor,
resolution);
}
Example 2
| Source File: RealTimeSequencer.java From Bytecoder with Apache License 2.0 | 5 votes |
|
private long tick2millis(long tick) {
if (divisionType != Sequence.PPQ) {
double dMillis = ((((double) tick) * 1000) /
(tempoFactor * ((double) divisionType) * ((double) resolution)));
return (long) dMillis;
}
return MidiUtils.ticks2microsec(tick,
currTempo * inverseTempoFactor,
resolution) / 1000;
}
Example 3
| Source File: RealTimeSequencer.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
private long millis2tick(long millis) {
if (divisionType != Sequence.PPQ) {
double dTick = ((((double) millis) * tempoFactor)
* ((double) divisionType)
* ((double) resolution))
/ ((double) 1000);
return (long) dTick;
}
return MidiUtils.microsec2ticks(millis * 1000,
currTempo * inverseTempoFactor,
resolution);
}
Example 4
| Source File: RealTimeSequencer.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
private long tick2millis(long tick) {
if (divisionType != Sequence.PPQ) {
double dMillis = ((((double) tick) * 1000) /
(tempoFactor * ((double) divisionType) * ((double) resolution)));
return (long) dMillis;
}
return MidiUtils.ticks2microsec(tick,
currTempo * inverseTempoFactor,
resolution) / 1000;
}
Example 5
| Source File: TrackAddSameTick.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
public static void main(String argv[]) throws Exception {
Sequence seq = new Sequence(Sequence.PPQ, 240);
Track t = seq.createTrack();
log("add 10 events in random order");
t.add(createEvent(10, 5));
t.add(createEvent(0, 0));
t.add(createEvent(10, 6));
t.add(createEvent(11, 8));
t.add(createEvent(10, 7));
t.add(createEvent(0, 1));
t.add(createEvent(0, 2));
t.add(createEvent(15, 9));
t.add(createEvent(0, 3));
t.add(createEvent(1, 4));
// now compare the events.
// The note param will tell us the
// the expected position
long lastTick = 0;
for (int i = 0; i < t.size(); i++) {
MidiEvent ev = t.get(i);
if (ev.getMessage() instanceof ShortMessage) {
ShortMessage msg = (ShortMessage) ev.getMessage();
log(""+i+": ShortMessage at tick "+ev.getTick()
+" with expected position "+msg.getData1());
if (ev.getTick() < lastTick) {
log(" FAILED: last tick is larger than this event's tick!");
failed = true;
}
if (i != msg.getData1()) {
log(" FAILED: Track did not order correctly.");
failed = true;
}
}
}
if (failed) throw new Exception("Test FAILED!");
log("Test passed.");
}
Example 6
| Source File: MetaCallback.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
MetaCallback() throws Exception {
sequencer=MidiSystem.getSequencer();
sequence=new Sequence(Sequence.PPQ,240);
track=sequence.createTrack();
sequencer.addMetaEventListener(this);
byte[] data = new byte[1];
track.add(new MidiEvent(MidiMsg3(ShortMessage.NOTE_ON+0,45,100),0));
track.add(new MidiEvent(MidiMsg3(ShortMessage.NOTE_ON+0,45,0),0 + 240));
int c;
for(c=0; c < TOTAL_COUNT; c++) {
data[0]=(byte)(c+1);
MetaMessage meta = new MetaMessage();
meta.setMessage(1, data, 1); // type, data, length
track.add(new MidiEvent(meta,c*20));
}
track.add(new MidiEvent(MidiMsg3(ShortMessage.NOTE_ON+9,45,100),c*20));
track.add(new MidiEvent(MidiMsg3(ShortMessage.NOTE_ON+9,45,0),c*20 + 10));
sequencer.setSlaveSyncMode(Sequencer.SyncMode.INTERNAL_CLOCK);
sequencer.setMasterSyncMode(Sequencer.SyncMode.INTERNAL_CLOCK);
sequencer.open();
sequencer.setSequence(sequence);
sequencer.setTempoInBPM(100);
System.out.println("Starting playback...");
this.start();
while (!finished && sequencer.getTickPosition() < sequencer.getTickLength()) {
System.out.println("Tick "+sequencer.getTickPosition()+"...");
Thread.sleep(1000);
}
System.out.println("Stopping playback...");
this.stop();
if (metaCount != TOTAL_COUNT) {
throw new Exception("Expected "+TOTAL_COUNT+" callbacks, but got "+metaCount+"!");
}
}
Example 7
| Source File: MidiSequenceHandlerImpl.java From tuxguitar with GNU Lesser General Public License v2.1 | 5 votes |
|
private void init(){
try {
this.sequence = new Sequence(Sequence.PPQ,(int)TGDuration.QUARTER_TIME);
this.midiTracks = new Track[getTracks()];
for (int i = 0; i < this.midiTracks.length; i++) {
this.midiTracks[i] = this.sequence.createTrack();
}
} catch (InvalidMidiDataException e) {
e.printStackTrace();
}
}
Example 8
| Source File: MidiSequenceBuilder.java From mpcmaid with GNU Lesser General Public License v2.1 | 5 votes |
|
public MidiSequenceBuilder(final int ppq) {
try {
sequence = new Sequence(Sequence.PPQ, ppq);
} catch (InvalidMidiDataException e) {
e.printStackTrace();
}
}
Example 9
| Source File: MidiUtils.java From Bytecoder with Apache License 2.0 | 4 votes |
|
/**
* Given a tick, convert to microsecond
* @param cache tempo info and current tempo
*/
public static long tick2microsecond(Sequence seq, long tick, TempoCache cache) {
if (seq.getDivisionType() != Sequence.PPQ ) {
double seconds = ((double)tick / (double)(seq.getDivisionType() * seq.getResolution()));
return (long) (1000000 * seconds);
}
if (cache == null) {
cache = new TempoCache(seq);
}
int resolution = seq.getResolution();
long[] ticks = cache.ticks;
int[] tempos = cache.tempos; // in MPQ
int cacheCount = tempos.length;
// optimization to not always go through entire list of tempo events
int snapshotIndex = cache.snapshotIndex;
int snapshotMicro = cache.snapshotMicro;
// walk through all tempo changes and add time for the respective blocks
long us = 0; // microsecond
if (snapshotIndex <= 0
|| snapshotIndex >= cacheCount
|| ticks[snapshotIndex] > tick) {
snapshotMicro = 0;
snapshotIndex = 0;
}
if (cacheCount > 0) {
// this implementation needs a tempo event at tick 0!
int i = snapshotIndex + 1;
while (i < cacheCount && ticks[i] <= tick) {
snapshotMicro += ticks2microsec(ticks[i] - ticks[i - 1], tempos[i - 1], resolution);
snapshotIndex = i;
i++;
}
us = snapshotMicro
+ ticks2microsec(tick - ticks[snapshotIndex],
tempos[snapshotIndex],
resolution);
}
cache.snapshotIndex = snapshotIndex;
cache.snapshotMicro = snapshotMicro;
return us;
}
Example 10
| Source File: MidiUtils.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
/**
* Given a tick, convert to microsecond
* @param cache tempo info and current tempo
*/
public static long tick2microsecond(Sequence seq, long tick, TempoCache cache) {
if (seq.getDivisionType() != Sequence.PPQ ) {
double seconds = ((double)tick / (double)(seq.getDivisionType() * seq.getResolution()));
return (long) (1000000 * seconds);
}
if (cache == null) {
cache = new TempoCache(seq);
}
int resolution = seq.getResolution();
long[] ticks = cache.ticks;
int[] tempos = cache.tempos; // in MPQ
int cacheCount = tempos.length;
// optimization to not always go through entire list of tempo events
int snapshotIndex = cache.snapshotIndex;
int snapshotMicro = cache.snapshotMicro;
// walk through all tempo changes and add time for the respective blocks
long us = 0; // microsecond
if (snapshotIndex <= 0
|| snapshotIndex >= cacheCount
|| ticks[snapshotIndex] > tick) {
snapshotMicro = 0;
snapshotIndex = 0;
}
if (cacheCount > 0) {
// this implementation needs a tempo event at tick 0!
int i = snapshotIndex + 1;
while (i < cacheCount && ticks[i] <= tick) {
snapshotMicro += ticks2microsec(ticks[i] - ticks[i - 1], tempos[i - 1], resolution);
snapshotIndex = i;
i++;
}
us = snapshotMicro
+ ticks2microsec(tick - ticks[snapshotIndex],
tempos[snapshotIndex],
resolution);
}
cache.snapshotIndex = snapshotIndex;
cache.snapshotMicro = snapshotMicro;
return us;
}
Example 11
| Source File: SeqRecordDoesNotCopy.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
public static void main(String argv[]) {
Sequencer s = null;
try {
s = MidiSystem.getSequencer();
s.open();
} catch (final MidiUnavailableException ignored) {
// the test is not applicable
return;
}
try {
Sequence seq = new Sequence(Sequence.PPQ, 384, 2);
s.setSequence(seq);
Track t = seq.getTracks()[0];
ShortMessage msg = new ShortMessage();
msg.setMessage(0x90, 0x40, 0x7F);
t.add(new MidiEvent(msg, 11000));
msg.setMessage(0x90, 0x40, 0x00);
t.add(new MidiEvent(msg, 12000));
t = seq.getTracks()[1];
s.recordEnable(t, -1);
System.out.println("Started recording...");
s.startRecording();
Receiver r = s.getReceiver();
Thread.sleep(100);
// send a normal message
System.out.println("Recording a normal NOTE ON message...");
msg.setMessage(0x90, 0x40, 0x6F);
r.send(msg, -1);
Thread.sleep(100);
// send a normal message
System.out.println("Recording a normal NOTE OFF message...");
msg.setMessage(0x90, 0x40, 0x00);
r.send(msg, -1);
Thread.sleep(100);
s.stop();
// now see if the messages were recorded
System.out.println("Recorded messages:");
int sameMessage = 0;
for (int i = 0; i < t.size(); i++) {
System.out.print(" "+(i+1)+". ");
printEvent(t.get(i));
if (t.get(i).getMessage() == msg) {
System.out.println("## Failed: Same Message reference!");
sameMessage++;
}
}
if (sameMessage > 0) {
System.out.println("## Failed: The same instance was recorded!");
throw new Exception("Test FAILED!");
}
System.out.println("Did not detect any duplicate messages.");
System.out.println("Test passed.");
} catch (Exception e) {
System.out.println("Unexpected Exception: "+e);
//e.printStackTrace();
throw new RuntimeException("Test FAILED!");
} finally {
s.close();
}
}
Example 12
| Source File: LoopIAE.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
public static void main(String[] argv) throws Exception {
if (!hasSequencer()) {
return;
}
Sequencer sequencer = MidiSystem.getSequencer();
Sequence sequence = new Sequence(Sequence.PPQ, 240);
Track track = sequence.createTrack();
track.add(new MidiEvent(MidiMsg3(ShortMessage.NOTE_ON+0,45,100),0));
track.add(new MidiEvent(MidiMsg3(ShortMessage.NOTE_ON+0,45,0),0 + 240));
track.add(new MidiEvent(MidiMsg3(ShortMessage.NOTE_ON+9,45,100),10*20));
track.add(new MidiEvent(MidiMsg3(ShortMessage.NOTE_ON+9,45,0),10*20 + 10));
try {
sequencer.open();
sequencer.setSequence(sequence);
sequencer.setTempoInBPM(100);
System.out.println("Setting loop end point to 1");
sequencer.setLoopEndPoint(1);
System.out.println(" -> effectively: "+sequencer.getLoopEndPoint());
System.out.println("Setting loop start point to 2 -- should throw IAE");
sequencer.setLoopStartPoint(2);
System.out.println(" -> effectively: "+sequencer.getLoopStartPoint());
System.out.println("No IllegalArgumentException was thrown!");
failed = true;
} catch (IllegalArgumentException iae) {
System.out.println("IAE was thrown correctly.");
} catch (MidiUnavailableException mue) {
System.out.println("MidiUnavailableException was thrown: " + mue);
System.out.println("Cannot execute test.");
} catch (InvalidMidiDataException imEx) {
System.out.println("InvalidMidiDataException was thrown.");
imEx.printStackTrace();
System.out.println("Cannot execute test.");
} finally {
if (sequencer != null && sequencer.isOpen()) {
sequencer.close();
}
}
if (failed) {
throw new Exception("Test FAILED!");
}
System.out.println("test passed.");
}
Example 13
| Source File: Properties.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
public static void main(String argv[]) throws Exception {
// don't need to catch exceptions: any exception is a
// failure of this test
Map<String, Object> p = new HashMap<String,Object>();
p.put("author", "Florian");
p.put("duration", new Long(1000));
p.put("MyProp", "test");
out("Testing AudioFileFormat properties:");
// create an AudioFileFormat with properties
AudioFormat format = new AudioFormat( 44100.0f, 16, 2, true, false);
AudioFileFormat aff =
new AudioFileFormat(AudioFileFormat.Type.WAVE,
format, 1000, p);
// test that it has the properties
boolean failed = compare(p, aff.properties());
// test getProperty()
Object o = aff.getProperty("author");
if (o == null || !o.equals("Florian")) {
out(" getProperty did not report an existing property!");
failed = true;
}
o = aff.getProperty("does not exist");
if (o != null) {
out(" getProperty returned something for a non-existing property!");
failed = true;
}
if (!failed) {
out(" OK");
} else {
g_failed = true;
}
out("Testing MidiFileFormat properties:");
// create a MidiFileFormat with properties
MidiFileFormat mff =
new MidiFileFormat(0, Sequence.PPQ, 240,
1000, 100, p);
// test that it has the properties
failed = compare(p, mff.properties());
// test getProperty()
o = mff.getProperty("author");
if (o == null || !o.equals("Florian")) {
out(" getProperty did not report an existing property!");
failed = true;
}
o = mff.getProperty("does not exist");
if (o != null) {
out(" getProperty returned something for a non-existing property!");
failed = true;
}
if (!failed) {
out(" OK");
} else {
g_failed = true;
}
if (g_failed) throw new Exception("Test FAILED!");
System.out.println("Test passed.");
}
Example 14
| Source File: Midi2WavRenderer.java From computoser with GNU Affero General Public License v3.0 | 4 votes |
|
public static double send(Sequence seq, Receiver recv) {
float divtype = seq.getDivisionType();
assert (seq.getDivisionType() == Sequence.PPQ);
Track[] tracks = seq.getTracks();
int[] trackspos = new int[tracks.length];
int mpq = 500000;
int seqres = seq.getResolution();
long lasttick = 0;
long curtime = 0;
while (true) {
MidiEvent selevent = null;
int seltrack = -1;
for (int i = 0; i < tracks.length; i++) {
int trackpos = trackspos[i];
Track track = tracks[i];
if (trackpos < track.size()) {
MidiEvent event = track.get(trackpos);
if (selevent == null || event.getTick() < selevent.getTick()) {
selevent = event;
seltrack = i;
}
}
}
if (seltrack == -1)
break;
trackspos[seltrack]++;
long tick = selevent.getTick();
if (divtype == Sequence.PPQ)
curtime += ((tick - lasttick) * mpq) / seqres;
else
curtime = (long) ((tick * 1000000.0 * divtype) / seqres);
lasttick = tick;
MidiMessage msg = selevent.getMessage();
if (msg instanceof MetaMessage) {
if (divtype == Sequence.PPQ)
if (((MetaMessage) msg).getType() == 0x51) {
byte[] data = ((MetaMessage) msg).getData();
mpq = ((data[0] & 0xff) << 16) | ((data[1] & 0xff) << 8) | (data[2] & 0xff);
}
} else {
if (recv != null)
recv.send(msg, curtime);
}
}
return curtime / 1000000.0;
}
