private void sendEnvelopeFrequency(Receiver rx, int channel, byte[] regs) throws Exception {
int data = (regs[0xc] & 0xff) + ((regs[0xd] << 8) & 0x0f00);
data = data >> FREQ_SCALE_FACTOR;
// 16 bit value, divided into 7/7/2
byte high = (byte) ((data >> 9) & 0x7f); // top 7 bits
byte med = (byte) ((data >> 7) & 0x7f); // middle 7 bits
byte low = (byte) (((data >> 2) & 0x03) << 5); // bottom 2 bits
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_ENVELOPE_FREQ_HIGH, high), -1);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_ENVELOPE_FREQ_MED, med), -1);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_ENVELOPE_FREQ_LOW, low), -1);
}
/**
* Play one bell sound immediately, bypassing Sequencer
*
* @param bell
*/
public void play(int bell) {
MidiEvent evt;
try {
evt = createBellNote(bell, 0);
fMidiOut.send(evt.getMessage(), -1);
} catch (InvalidMidiDataException e) {
System.out.println("Failed to play note; " + e);
}
}
private void sendLatch(Receiver rx, int channel, boolean enabled) throws Exception {
byte value = enabled ? (byte) 64 : (byte) 0;
if (!enabled) {
// save registers
for (int i = 0; i < registers.length; i++) {
prevRegisters[i] = registers[i];
}
}
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_LATCH, value), -1);
}
/**
* 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 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 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 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;
}
}
private void sendFrequency(Receiver rx, int channel, byte[] regs, int startRegister)
throws Exception {
int data = (regs[startRegister] & 0xff) + ((regs[startRegister + 1] << 8) & 0x0f00);
data = data >> FREQ_SCALE_FACTOR;
byte msb = (byte) ((data >> 5) & 0x7f); // top 7 bits
byte lsb = (byte) ((data << 2) & 0x7c); // lower 5 bits
int cc1 = ((startRegister / 2) + CC_CHANNEL_A_FREQ_MSB);
int cc2 = ((startRegister / 2) + CC_CHANNEL_A_FREQ_LSB);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, (byte) cc1, msb), -1);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, (byte) cc2, lsb), -1);
}
/**
* Send entry MIDI Sequence into Receiver using time stamps.
*
* @return The total length of the sequence.
*/
private double send(final Sequence seq, final Receiver recv) {
assert seq.getDivisionType() == Sequence.PPQ;
final float divtype = seq.getDivisionType();
final Track[] tracks = seq.getTracks();
tune(recv);
final int[] trackspos = new int[tracks.length];
int mpq = 500000;
final 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++) {
final int trackpos = trackspos[i];
final Track track = tracks[i];
if (trackpos < track.size()) {
final MidiEvent event = track.get(trackpos);
if (selevent == null || event.getTick() < selevent.getTick()) {
selevent = event;
seltrack = i;
}
}
}
if (seltrack == -1) {
break;
}
trackspos[seltrack]++;
final long tick = selevent.getTick();
if (divtype == Sequence.PPQ) {
curtime += (tick - lasttick) * mpq / seqres;
} else {
curtime = (long) (tick * 1000000.0 * divtype / seqres);
}
lasttick = tick;
final MidiMessage msg = selevent.getMessage();
if (msg instanceof MetaMessage) {
if (divtype == Sequence.PPQ && ((MetaMessage) msg).getType() == 0x51) {
final 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;
}
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++;
}
}
/**
* 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 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 = 60000000 / 100;
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;
}
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;
}
}
public void close() {
sequencerReceiver.close();
}
public void send(MidiMessage message, long timestamp) {
parser.parse(message, timestamp / (1000 * 4));
sequencerReceiver.send(message, timestamp);
}
@Override
public void send(MidiMessage message, long timeStamp) {
receiver.send(message, timeStamp);
}
// Receiver implementation
@Override
public void close() {
receiver.close();
}
private void sendValue(Receiver rx, int channel, byte cc, byte value) throws Exception {
rx.send(new ShortMessage(CONTROL_CHANGE, channel, cc, value), -1);
}
private void resetController(Receiver rx, int channel, byte[] regs) throws Exception {
for (int i = 0; i < 15; i++) {
regs[i] = 0;
}
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_LATCH, 127), -1);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_CHANNEL_A_FREQ_MSB, 0), -1);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_CHANNEL_A_FREQ_LSB, 0), -1);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_CHANNEL_B_FREQ_MSB, 0), -1);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_CHANNEL_B_FREQ_LSB, 0), -1);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_CHANNEL_C_FREQ_MSB, 0), -1);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_CHANNEL_C_FREQ_LSB, 0), -1);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_NOISE_FREQ, 0), -1);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_MIXER, 0), -1);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_CHANNEL_A_LEVEL, 0), -1);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_CHANNEL_B_LEVEL, 0), -1);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_CHANNEL_C_LEVEL, 0), -1);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_ENVELOPE_FREQ_HIGH, 0), -1);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_ENVELOPE_FREQ_MED, 0), -1);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_ENVELOPE_FREQ_LOW, 0), -1);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_ENVELOPE_SHAPE, 0), -1);
rx.send(new ShortMessage(CONTROL_CHANGE, channel, CC_LATCH, 0), -1);
}
public void stop() {
fSequencer.stop();
fSequencer.close();
fSynthesizer.close();
fMidiOut.close();
}
public void closeObjectMidiSystem() {
receiverMidiSystem.close();
}
public void closeObjectDevice() {
receiverDevice.close();
}
