Examples with SoftSynthesizer com.sun.media.sound.SoftSynthesizer used on opensource projects

Example 1 with SoftSynthesizer

use of com.sun.media.sound.SoftSynthesizer in project jdk8u_jdk by JetBrains.

the class GetMidiDevice method main.

public static void main(String[] args) throws Exception {
    AudioSynthesizer synth = new SoftSynthesizer();
    synth.openStream(null, null);
    Receiver recv = synth.getReceiver();
    if (((SoftReceiver) recv).getMidiDevice() != synth) {
        throw new Exception("SoftReceiver.getMidiDevice() doesn't return " + "instance of the synthesizer");
    }
    synth.close();
}

Example 2 with SoftSynthesizer

use of com.sun.media.sound.SoftSynthesizer in project jdk8u_jdk by JetBrains.

the class GetReceiver2 method main.

public static void main(String[] args) throws Exception {
    AudioSynthesizer synth = new SoftSynthesizer();
    Receiver recv = synth.getReceiver();
    assertTrue(recv != null);
    ShortMessage sm = new ShortMessage();
    sm.setMessage(ShortMessage.NOTE_OFF, 0, 64, 64);
    synth.open(new DummySourceDataLine(), null);
    recv.send(sm, -1);
    synth.close();
    try {
        recv.send(sm, -1);
        throw new RuntimeException("Exception not thrown!");
    } catch (Exception e) {
    // Just checking if exception is thrown
    }
}

Example 3 with SoftSynthesizer

use of com.sun.media.sound.SoftSynthesizer in project jdk8u_jdk by JetBrains.

the class NoteOverFlowTest method main.

public static void main(String[] args) throws Exception {
    AudioSynthesizer synth = new SoftSynthesizer();
    AudioFormat format = new AudioFormat(44100, 16, 2, true, false);
    AudioInputStream stream = synth.openStream(format, null);
    // Make all voices busy, e.g.
    // send midi on and midi off on all available voices
    MidiChannel ch1 = synth.getChannels()[0];
    // Use contionus instrument like string ensemble
    ch1.programChange(48);
    for (int i = 0; i < synth.getMaxPolyphony(); i++) {
        ch1.noteOn(64, 64);
        ch1.noteOff(64);
    }
    // Now send single midi on, and midi off message
    ch1.noteOn(64, 64);
    ch1.noteOff(64);
    // Read 10 sec from stream, by this time all voices should be inactvie
    stream.skip(format.getFrameSize() * ((int) (format.getFrameRate() * 20)));
    // If no voice are active, then this test will pass
    VoiceStatus[] v = synth.getVoiceStatus();
    for (int i = 0; i < v.length; i++) {
        if (v[i].active) {
            throw new RuntimeException("Not all voices are inactive!");
        }
    }
    // Close the synthesizer after use
    synth.close();
}

Example 4 with SoftSynthesizer

use of com.sun.media.sound.SoftSynthesizer in project jdk8u_jdk by JetBrains.

the class NoteOverFlowTest2 method main.

public static void main(String[] args) throws Exception {
    // Create instance of the synthesizer with very low polyphony
    AudioSynthesizer synth = new SoftSynthesizer();
    AudioFormat format = new AudioFormat(44100, 16, 2, true, false);
    Map<String, Object> p = new HashMap<String, Object>();
    p.put("max polyphony", new Integer(5));
    AudioInputStream stream = synth.openStream(format, p);
    // Create instrument with too many regions (more than max polyphony)
    SF2Soundbank sf2 = new SF2Soundbank();
    SF2Sample sample = new SF2Sample(sf2);
    sample.setName("test sample");
    sample.setData(new byte[100]);
    sample.setSampleRate(44100);
    sample.setOriginalPitch(20);
    sf2.addResource(sample);
    SF2Layer layer = new SF2Layer(sf2);
    layer.setName("test layer");
    sf2.addResource(layer);
    for (int i = 0; i < 100; i++) {
        SF2LayerRegion region = new SF2LayerRegion();
        region.setSample(sample);
        layer.getRegions().add(region);
    }
    SF2Instrument ins = new SF2Instrument(sf2);
    ins.setPatch(new Patch(0, 0));
    ins.setName("test instrument");
    sf2.addInstrument(ins);
    SF2InstrumentRegion insregion = new SF2InstrumentRegion();
    insregion.setLayer(layer);
    ins.getRegions().add(insregion);
    // Load the test soundbank into the synthesizer
    synth.unloadAllInstruments(synth.getDefaultSoundbank());
    synth.loadAllInstruments(sf2);
    // Send out one midi on message
    MidiChannel ch1 = synth.getChannels()[0];
    ch1.programChange(0);
    ch1.noteOn(64, 64);
    // Read 1 sec from stream
    stream.skip(format.getFrameSize() * ((int) (format.getFrameRate() * 2)));
    // Close the synthesizer after use
    synth.close();
}

Example 5 with SoftSynthesizer

use of com.sun.media.sound.SoftSynthesizer in project jdk8u_jdk by JetBrains.

the class TestPreciseTimestampRendering method test.

public static void test(Soundbank soundbank) throws Exception {
    // Create instance of synthesizer using the testing soundbank above
    AudioSynthesizer synth = new SoftSynthesizer();
    AudioInputStream stream = synth.openStream(format, null);
    synth.unloadAllInstruments(synth.getDefaultSoundbank());
    synth.loadAllInstruments(soundbank);
    Receiver recv = synth.getReceiver();
    // Set volume to max and turn reverb off
    ShortMessage reverb_off = new ShortMessage();
    reverb_off.setMessage(ShortMessage.CONTROL_CHANGE, 91, 0);
    recv.send(reverb_off, -1);
    ShortMessage full_volume = new ShortMessage();
    full_volume.setMessage(ShortMessage.CONTROL_CHANGE, 7, 127);
    recv.send(full_volume, -1);
    Random random = new Random(3485934583945l);
    // Create random timestamps
    long[] test_timestamps = new long[30];
    for (int i = 1; i < test_timestamps.length; i++) {
        test_timestamps[i] = i * 44100 + (int) (random.nextDouble() * 22050.0);
    }
    // Send midi note on message to synthesizer
    for (int i = 0; i < test_timestamps.length; i++) {
        ShortMessage midi_on = new ShortMessage();
        midi_on.setMessage(ShortMessage.NOTE_ON, 69, 127);
        recv.send(midi_on, (long) ((test_timestamps[i] / 44100.0) * 1000000.0));
    }
    // Measure timing from rendered audio
    float[] fbuffer = new float[100];
    byte[] buffer = new byte[fbuffer.length * format.getFrameSize()];
    long firsts = -1;
    int counter = 0;
    long s = 0;
    long max_jitter = 0;
    outerloop: for (int k = 0; k < 10000000; k++) {
        stream.read(buffer);
        AudioFloatConverter.getConverter(format).toFloatArray(buffer, fbuffer);
        for (int i = 0; i < fbuffer.length; i++) {
            if (fbuffer[i] != 0) {
                if (firsts == -1)
                    firsts = s;
                long measure_time = (s - firsts);
                long predicted_time = test_timestamps[counter];
                long jitter = Math.abs(measure_time - predicted_time);
                if (jitter > 10)
                    max_jitter = jitter;
                counter++;
                if (counter == test_timestamps.length)
                    break outerloop;
            }
            s++;
        }
    }
    synth.close();
    if (counter == 0)
        throw new Exception("Nothing was measured!");
    if (max_jitter != 0) {
        throw new Exception("Jitter has occurred! " + "(max jitter = " + max_jitter + ")");
    }
}