Java Code Examples for javax.sound.midi.ShortMessage#getCommand()
The following examples show how to use
javax.sound.midi.ShortMessage#getCommand() .
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Example 1
| Source File: MidiWaveformSynthesizer.java From chart-fx with Apache License 2.0 | 6 votes |
|
public static final void addNotesToTrack(final Track track, final Track trk) throws InvalidMidiDataException {
for (int ii = 0; ii < track.size(); ii++) {
final MidiEvent me = track.get(ii);
final MidiMessage mm = me.getMessage();
if (mm instanceof ShortMessage) {
final ShortMessage sm = (ShortMessage) mm;
final int command = sm.getCommand();
int com = -1;
if (command == ShortMessage.NOTE_ON) {
com = LOCAL_NOTE_ON;
} else if (command == ShortMessage.NOTE_OFF) {
com = LOCAL_NOTE_OFF;
}
if (com > 0) {
final byte[] b = sm.getMessage();
final int l = (b == null ? 0 : b.length);
final MetaMessage metaMessage = new MetaMessage(com, b, l);
final MidiEvent me2 = new MidiEvent(metaMessage, me.getTick());
trk.add(me2);
}
}
}
}
Example 2
| Source File: MiPort.java From tuxguitar with GNU Lesser General Public License v2.1 | 6 votes |
|
public void send(MidiMessage inMessage, long inTimeStamp)
{
if(inMessage instanceof ShortMessage)
{
ShortMessage mm = (ShortMessage)inMessage;
switch(mm.getCommand())
{
case ShortMessage.NOTE_ON:
case ShortMessage.NOTE_OFF:
MiProvider.instance().noteReceived(mm, inTimeStamp);
break;
case ShortMessage.CONTROL_CHANGE:
//System.err.println("Control change");
break;
}
}
}
Example 3
| Source File: MidiWaveformSynthesizer.java From chart-fx with Apache License 2.0 | 4 votes |
|
public void decode(final float[] data, final int frameSize, final int updatePeriod, final int samplingRate,
final int nBits) {
if (frameSize <= 0) {
throw new IllegalArgumentException("Frame size must be greater than zero");
}
final Track track = mergeShortMessageEvent(sequence.getTracks());
final float length = 1e-6f * sequence.getMicrosecondLength();
final float ts = 1.0f / samplingRate;
final long trackTicks = track.ticks();
final float tickLength = trackTicks <= 0 ? 0 : length / trackTicks;
final int frameCount = data.length / frameSize;
final float scale = 2 << Math.max(1, nBits + 1);
final int fftSize = 2 * frameSize;
final FloatFFT_1D fft = new FloatFFT_1D(fftSize);
final float[] apodization = new float[fftSize];
for (int i = 0; i < fftSize; i++) {
apodization[i] = (float) Apodization.Hann.getIndex(i, apodization.length);
}
int frameCounter = 0;
int tickIndex = 0;
final float[] waveForm = new float[2 * frameSize];
final int nUpdateDistance = (int) (updatePeriod / 1000.0 * samplingRate);
for (int i = 0; frameCounter < frameCount; i++) {
final float t = i * ts;
final MidiEvent tickEvt = track.get(tickIndex);
final float tickTimeStamp = tickEvt.getTick() * tickLength;
// update waveform by one sample
update(samplingRate, nBits);
if ((t > tickTimeStamp) && (tickIndex < track.size() - 1)) {
if ((tickEvt.getMessage() instanceof ShortMessage)) {
final ShortMessage sm = (ShortMessage) tickEvt.getMessage();
final int note = sm.getData1() & 0xFF;
final int velocity = sm.getData2() & 0xFF;
final int command = sm.getCommand();
if ((command == ShortMessage.NOTE_ON) || (command == LOCAL_NOTE_ON)) {
noteAmplitude[note] = velocity;
} else if ((command == ShortMessage.NOTE_OFF) || (command == LOCAL_NOTE_OFF)) {
noteAmplitude[note] = 0.0f;
}
}
tickIndex++;
}
if (i > 0 && (i % nUpdateDistance == 0)) {
for (int j = 0; j < waveForm.length; j++) {
final float noise = (1e-3f * System.nanoTime() % 2); // adds some noise
waveForm[j] = apodization[j] * getSample(j) + noise / scale;
}
decodeFrame(fft, waveForm, data, (frameCounter * frameSize) % data.length);
frameCounter++;
}
}
// return synthesizer to its original state
for (int note = 0; note < N_NOTES; note++) {
noteAmplitude[note] = 0.0f;
synthesizerChannel.noteOff(note, 0);
}
}
Example 4
| Source File: MidiToAudioWriter.java From tuxguitar with GNU Lesser General Public License v2.1 | 4 votes |
|
private static List<Patch> getPatchs(List<MidiEvent> events){
Patch[] channels = new Patch[16];
Iterator<MidiEvent> it = events.iterator();
while(it.hasNext()){
MidiEvent event = (MidiEvent)it.next();
MidiMessage msg = event.getMessage();
if( msg instanceof ShortMessage ){
ShortMessage shortMessage = (ShortMessage)msg;
int channel = shortMessage.getChannel();
if( channel >= 0 && channel < channels.length ){
int command = shortMessage.getCommand();
int data1 = shortMessage.getData1();
int data2 = shortMessage.getData2();
int bank = (command == ShortMessage.CONTROL_CHANGE && data1 == MidiControllers.BANK_SELECT ? data2 : -1);
int program = (command == ShortMessage.PROGRAM_CHANGE ? data1 : -1);
if( bank >= 0 || program >= 0 ){
if( bank < 0 ){
bank = (channels[channel] != null ? channels[channel].getBank() : 0);
}
if( program < 0 ){
program = (channels[channel] != null ? channels[channel].getProgram() : 0);
}
channels[channel] = new Patch(bank, program);
}
}
}
}
List<Patch> patchs = new ArrayList<Patch>();
for( int i = 0 ; i < channels.length ; i ++ ){
if( channels[i] != null ){
boolean patchExists = false;
Iterator<Patch> patchIt = patchs.iterator();
while( patchIt.hasNext() ){
Patch patch = (Patch) patchIt.next();
if( patch.getBank() == channels[i].getBank() && patch.getProgram() == channels[i].getProgram() ){
patchExists = true;
}
}
if(!patchExists ){
patchs.add(channels[i]);
}
}
}
patchs.add(new Patch(128, 0));
return patchs;
}
Example 5
| Source File: MiProvider.java From tuxguitar with GNU Lesser General Public License v2.1 | 4 votes |
|
public void noteReceived(ShortMessage inMessage, long inTimeStamp)
{
byte pitch = (byte)inMessage.getData1(),
velocity = (byte)inMessage.getData2(),
stringIndex = (byte)getString(inMessage.getChannel());
if(stringIndex != -1)
{
byte fretIndex = (byte)getFret(pitch, stringIndex);
if(fretIndex != -1)
{
switch(inMessage.getCommand())
{
case ShortMessage.NOTE_ON:
{
switch(f_Mode)
{
case MiConfig.MODE_FRETBOARD_ECHO:
if(velocity == 0 || velocity > f_MinVelocity) // questo VA MODIFICATO!!!
echo(stringIndex, fretIndex, velocity > 0);
break;
case MiConfig.MODE_CHORDS_RECORDING:
if(velocity == 0 || velocity > f_MinVelocity) // questo VA MODIFICATO!!!
echo(stringIndex, fretIndex, velocity > 0);
chord_AddNote(stringIndex, fretIndex, pitch, velocity, inTimeStamp);
break;
case MiConfig.MODE_SCALES_RECOGNITION:
if(velocity == 0 || velocity > f_MinVelocity) // questo VA MODIFICATO!!!
echo(stringIndex, fretIndex, velocity > 0);
scale_AddNote(stringIndex, fretIndex, pitch, velocity, inTimeStamp);
break;
case MiConfig.MODE_SONG_RECORDING:
if(velocity == 0 || velocity > f_MinVelocity) // questo VA MODIFICATO!!!
echo(stringIndex, fretIndex, velocity > 0);
MiRecorder.instance().addNote(stringIndex, fretIndex, pitch, velocity, inTimeStamp);
break;
}
}
break;
case ShortMessage.NOTE_OFF:
switch(f_Mode)
{
case MiConfig.MODE_FRETBOARD_ECHO:
echo(stringIndex, fretIndex, false);
break;
case MiConfig.MODE_CHORDS_RECORDING:
echo(stringIndex, fretIndex, false);
chord_AddNote(stringIndex, fretIndex, pitch, (byte)0, inTimeStamp);
break;
case MiConfig.MODE_SCALES_RECOGNITION:
echo(stringIndex, fretIndex, false);
scale_AddNote(stringIndex, fretIndex, pitch, (byte)0, inTimeStamp);
break;
case MiConfig.MODE_SONG_RECORDING:
echo(stringIndex, fretIndex, false);
MiRecorder.instance().addNote(stringIndex, fretIndex, pitch, (byte)0, inTimeStamp);
break;
}
break;
}
}
}
}
