Package com.sun.media.sound

Examples of com.sun.media.sound.AudioSynthesizer

61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
     * Render sequence using selected or default soundbank into wave audio file.
     */
    public static void render(Sequence sequence, OutputStream outStream) {
        try {
            // Find available AudioSynthesizer.
            AudioSynthesizer synth = findAudioSynthesizer();
            if (synth == null) {
                logger.warn("No AudioSynhtesizer was found!");
                return;
            }

            // Open AudioStream from AudioSynthesizer.
            AudioInputStream stream = synth.openStream(null, null);

            Generator.loadSoundbankInstruments(synth);
            // Play Sequence into AudioSynthesizer Receiver.
            double total = send(sequence, synth.getReceiver());

            // Calculate how long the WAVE file needs to be.
            long len = (long) (stream.getFormat().getFrameRate() * (total + 4));
            stream = new AudioInputStream(stream, stream.getFormat(), len);

            AudioSystem.write(stream, AudioFileFormat.Type.WAVE, outStream);

            synth.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
View Full Code Here
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
public class NoteOverFlowTest {

    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];
        ch1.programChange(48); // Use contionus instrument like string ensemble
        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();
    }
View Full Code Here
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
    }

    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) {
View Full Code Here
34
35
36
37
38
39
40
41
42
43
44
45
46
47
public class GetMidiDevice {

    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();
    }
View Full Code Here
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
public class NoteOverFlowTest2 {

    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();
    }
View Full Code Here
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
    if(!value)
      throw new RuntimeException("assertTrue fails!");
  }
   
  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!");
    }
View Full Code Here
TOP

Related Classes of com.sun.media.sound.AudioSynthesizer

  • com.music.Midi2WavRenderer
  • GetMidiDevice
  • GetReceiver2
  • NoteOverFlowTest
  • NoteOverFlowTest2
  • TestPreciseTimestampRendering
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.