1 /*
   2  * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /* @test
  25    @summary Test SoftChannel noteOn/noteOff overflow test */
  26 
  27 import javax.sound.midi.MidiChannel;
  28 import javax.sound.midi.VoiceStatus;
  29 import javax.sound.sampled.AudioFormat;
  30 import javax.sound.sampled.AudioInputStream;
  31 
  32 import com.sun.media.sound.AudioSynthesizer;
  33 import com.sun.media.sound.SoftSynthesizer;
  34 
  35 public class NoteOverFlowTest {
  36 
  37     public static void main(String[] args) throws Exception
  38     {
  39         AudioSynthesizer synth = new SoftSynthesizer();
  40         AudioFormat format = new AudioFormat(44100, 16, 2, true, false);
  41         AudioInputStream stream = synth.openStream(format, null);
  42 
  43         // Make all voices busy, e.g.
  44         // send midi on and midi off on all available voices
  45         MidiChannel ch1 = synth.getChannels()[0];
  46         ch1.programChange(48); // Use contionus instrument like string ensemble
  47         for (int i = 0; i < synth.getMaxPolyphony(); i++) {
  48             ch1.noteOn(64, 64);
  49             ch1.noteOff(64);
  50         }
  51 
  52         // Now send single midi on, and midi off message
  53         ch1.noteOn(64, 64);
  54         ch1.noteOff(64);
  55 
  56         // Read 10 sec from stream, by this time all voices should be inactvie
  57         stream.skip(format.getFrameSize() * ((int)(format.getFrameRate() * 20)));
  58 
  59         // If no voice are active, then this test will pass
  60         VoiceStatus[] v = synth.getVoiceStatus();
  61         for (int i = 0; i < v.length; i++) {
  62             if(v[i].active)
  63             {
  64                 throw new RuntimeException("Not all voices are inactive!");
  65             }
  66         }
  67 
  68         // Close the synthesizer after use
  69         synth.close();
  70     }
  71 }