public static SF2Soundbank createTestSoundbank() { // Create impulse instrument // used to measure timing of note-on playback SF2Soundbank soundbank = new SF2Soundbank(); float[] data = new float[100]; Arrays.fill(data, 0); data[0] = 1.0f; byte[] bdata = new byte[data.length * format.getFrameSize()]; AudioFloatConverter.getConverter(format).toByteArray(data, bdata); SF2Sample sample = new SF2Sample(soundbank); sample.setName("Test Sample"); sample.setData(bdata); sample.setSampleRate((long) format.getSampleRate()); sample.setOriginalPitch(69); soundbank.addResource(sample); SF2Layer layer = new SF2Layer(soundbank); layer.setName("Test Layer"); soundbank.addResource(layer); SF2LayerRegion region = new SF2LayerRegion(); region.setSample(sample); layer.getRegions().add(region); SF2Instrument ins = new SF2Instrument(soundbank); ins.setName("Test Instrument"); soundbank.addInstrument(ins); SF2InstrumentRegion insregion = new SF2InstrumentRegion(); insregion.setLayer(layer); ins.getRegions().add(insregion); return soundbank; }
public SF2Layer newLayer(SF2Soundbank sf2, String name, SF2Sample sample) { SF2LayerRegion region = new SF2LayerRegion(); region.setSample(sample); SF2Layer layer = new SF2Layer(sf2); layer.setName(name); layer.getRegions().add(region); sf2.addResource(layer); return layer; }
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(); }
public List<SF2LayerRegion> getRegions() { return regions; }