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/* @test
@summary Test RealTime-tunings using SoftReciver.send method */
import java.io.IOException;
import javax.sound.midi.*;
import javax.sound.sampled.*;
import com.sun.media.sound.*;
public class RealTimeTuning {
private static class PitchSpy {
public float pitch = 0;
public Soundbank getSoundBank() {
ModelOscillator osc = new ModelOscillator() {
public float getAttenuation() {
return 0;
}
public int getChannels() {
return 0;
}
public ModelOscillatorStream open(float samplerate) {
return new ModelOscillatorStream() {
public void close() throws IOException {
pitch = 0;
}
public void noteOff(int velocity) {
pitch = 0;
}
public void noteOn(MidiChannel channel,
VoiceStatus voice, int noteNumber, int velocity) {
pitch = noteNumber * 100;
}
public int read(float[][] buffer, int offset, int len)
throws IOException {
return len;
}
public void setPitch(float ipitch) {
pitch = ipitch;
}
};
}
};
ModelPerformer performer = new ModelPerformer();
performer.getOscillators().add(osc);
SimpleInstrument testinstrument = new SimpleInstrument();
testinstrument.setPatch(new Patch(0, 0));
testinstrument.add(performer);
SimpleSoundbank testsoundbank = new SimpleSoundbank();
testsoundbank.addInstrument(testinstrument);
return testsoundbank;
}
}
public static void sendTuningChange(Receiver recv, int channel,
int tuningpreset, int tuningbank) throws InvalidMidiDataException {
// Data Entry
ShortMessage sm1 = new ShortMessage();
sm1.setMessage(ShortMessage.CONTROL_CHANGE, channel, 0x64, 04);
ShortMessage sm2 = new ShortMessage();
sm2.setMessage(ShortMessage.CONTROL_CHANGE, channel, 0x65, 00);
// Tuning Bank
ShortMessage sm3 = new ShortMessage();
sm3.setMessage(ShortMessage.CONTROL_CHANGE, channel, 0x06, tuningbank);
// Data Increment
ShortMessage sm4 = new ShortMessage();
sm4.setMessage(ShortMessage.CONTROL_CHANGE, channel, 0x60, 0x7F);
// Data Decrement
ShortMessage sm5 = new ShortMessage();
sm5.setMessage(ShortMessage.CONTROL_CHANGE, channel, 0x61, 0x7F);
// Data Entry
ShortMessage sm6 = new ShortMessage();
sm6.setMessage(ShortMessage.CONTROL_CHANGE, channel, 0x64, 03);
ShortMessage sm7 = new ShortMessage();
sm7.setMessage(ShortMessage.CONTROL_CHANGE, channel, 0x65, 00);
// Tuning program
ShortMessage sm8 = new ShortMessage();
sm8
.setMessage(ShortMessage.CONTROL_CHANGE, channel, 0x06,
tuningpreset);
// Data Increment
ShortMessage sm9 = new ShortMessage();
sm9.setMessage(ShortMessage.CONTROL_CHANGE, channel, 0x60, 0x7F);
// Data Decrement
ShortMessage sm10 = new ShortMessage();
sm10.setMessage(ShortMessage.CONTROL_CHANGE, channel, 0x61, 0x7F);
recv.send(sm1, -1);
recv.send(sm2, -1);
recv.send(sm3, -1);
recv.send(sm4, -1);
recv.send(sm5, -1);
recv.send(sm6, -1);
recv.send(sm7, -1);
recv.send(sm8, -1);
recv.send(sm9, -1);
recv.send(sm10, -1);
}
private static void assertTrue(boolean value) throws Exception {
if (!value)
throw new RuntimeException("assertTrue fails!");
}
public static void testTunings(int[] msg, int tuningProgram,
int tuningBank, int targetNote, float targetPitch, boolean realtime)
throws Exception {
AudioSynthesizer synth = new SoftSynthesizer();
AudioInputStream stream = synth.openStream(null, null);
Receiver recv = synth.getReceiver();
MidiChannel channel = synth.getChannels()[0];
byte[] buff = new byte[2048];
// Create test instrument which we can use to monitor pitch changes
PitchSpy pitchspy = new PitchSpy();
synth.unloadAllInstruments(synth.getDefaultSoundbank());
synth.loadAllInstruments(pitchspy.getSoundBank());
SysexMessage sysex = null;
// Send tuning changes
if (msg != null) {
byte[] bmsg = new byte[msg.length];
for (int i = 0; i < bmsg.length; i++)
bmsg[i] = (byte) msg[i];
sysex = new SysexMessage();
sysex.setMessage(bmsg, bmsg.length);
if (targetPitch == 0) {
targetPitch = (float) new SoftTuning(bmsg)
.getTuning(targetNote);
// Check if targetPitch != targetNote * 100
assertTrue(Math.abs(targetPitch - targetNote * 100.0) > 0.001);
}
}
if (tuningProgram != -1)
sendTuningChange(recv, 0, tuningProgram, tuningBank);
// First test without tunings
channel.noteOn(targetNote, 64);
stream.read(buff, 0, buff.length);
assertTrue(Math.abs(pitchspy.pitch - (targetNote * 100.0)) < 0.001);
// Test if realtime/non-realtime works
if (sysex != null)
recv.send(sysex, -1);
stream.read(buff, 0, buff.length);
if (realtime)
assertTrue(Math.abs(pitchspy.pitch - targetPitch) < 0.001);
else
assertTrue(Math.abs(pitchspy.pitch - (targetNote * 100.0)) < 0.001);
// Test if tunings works
channel.noteOn(targetNote, 0);
stream.read(buff, 0, buff.length);
assertTrue(Math.abs(pitchspy.pitch - 0.0) < 0.001);
channel.noteOn(targetNote, 64);
stream.read(buff, 0, buff.length);
assertTrue(Math.abs(pitchspy.pitch - targetPitch) < 0.001);
channel.noteOn(targetNote, 0);
stream.read(buff, 0, buff.length);
assertTrue(Math.abs(pitchspy.pitch - 0.0) < 0.001);
stream.close();
}
public static void main(String[] args) throws Exception {
// Test with no-tunings
testTunings(null, -1, -1, 60, 6000, false);
int[] msg;
// 0x02 SINGLE NOTE TUNING CHANGE (REAL-TIME)
msg = new int[] { 0xf0, 0x7f, 0x7f, 0x08, 0x02, 0x10, 0x02, 36, 36, 64,
0, 60, 70, 0, 0, 0xf7 };
testTunings(msg, 0x10, 0, 60, 7000, true);
// 0x07 SINGLE NOTE TUNING CHANGE (NON REAL-TIME) (BANK)
msg = new int[] { 0xf0, 0x7e, 0x7f, 0x08, 0x07, 0x05, 0x07, 0x02, 36,
36, 64, 0, 60, 80, 0, 0, 0xf7 };
testTunings(msg, 0x07, 0x05, 60, 8000, false);
// 0x07 SINGLE NOTE TUNING CHANGE (REAL-TIME) (BANK)
msg = new int[] { 0xf0, 0x7f, 0x7f, 0x08, 0x07, 0x05, 0x07, 0x02, 36,
36, 64, 0, 60, 80, 0, 0, 0xf7 };
testTunings(msg, 0x07, 0x05, 60, 8000, true);
// 0x08 scale/octave tuning 1-byte form (Non Real-Time)
msg = new int[] { 0xf0, 0x7e, 0x7f, 0x08, 0x08, 0x03, 0x7f, 0x7f, 5,
10, 15, 20, 25, 30, 35, 40, 45, 50, 51, 52, 0xf7 };
testTunings(msg, -1, -1, 60, 0, false);
// 0x08 scale/octave tuning 1-byte form (REAL-TIME)
msg = new int[] { 0xf0, 0x7f, 0x7f, 0x08, 0x08, 0x03, 0x7f, 0x7f, 5,
10, 15, 20, 25, 30, 35, 40, 45, 50, 51, 52, 0xf7 };
testTunings(msg, -1, -1, 60, 0, true);
// 0x09 scale/octave tuning 2-byte form (Non Real-Time)
msg = new int[] { 0xf0, 0x7e, 0x7f, 0x08, 0x09, 0x03, 0x7f, 0x7f, 5,
10, 15, 20, 25, 30, 35, 40, 45, 50, 51, 52, 5, 10, 15, 20, 25,
30, 35, 40, 45, 50, 51, 52, 0xf7 };
testTunings(msg, -1, -1, 60, 0, false);
// 0x09 scale/octave tuning 2-byte form (REAL-TIME)
msg = new int[] { 0xf0, 0x7f, 0x7f, 0x08, 0x09, 0x03, 0x7f, 0x7f, 5,
10, 15, 20, 25, 30, 35, 40, 45, 50, 51, 52, 5, 10, 15, 20, 25,
30, 35, 40, 45, 50, 51, 52, 0xf7 };
testTunings(msg, -1, -1, 60, 0, true);
}
}