74 lines
2.8 KiB
Java
74 lines
2.8 KiB
Java
/*
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* Copyright 2007 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/* @test
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@summary Test SoftChannel noteOn/noteOff overflow test */
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import javax.sound.midi.MidiChannel;
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import javax.sound.midi.VoiceStatus;
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import javax.sound.sampled.AudioFormat;
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import javax.sound.sampled.AudioInputStream;
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import com.sun.media.sound.AudioSynthesizer;
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import com.sun.media.sound.SoftSynthesizer;
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public class NoteOverFlowTest {
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public static void main(String[] args) throws Exception
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{
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AudioSynthesizer synth = new SoftSynthesizer();
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AudioFormat format = new AudioFormat(44100, 16, 2, true, false);
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AudioInputStream stream = synth.openStream(format, null);
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// Make all voices busy, e.g.
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// send midi on and midi off on all available voices
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MidiChannel ch1 = synth.getChannels()[0];
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ch1.programChange(48); // Use contionus instrument like string ensemble
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for (int i = 0; i < synth.getMaxPolyphony(); i++) {
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ch1.noteOn(64, 64);
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ch1.noteOff(64);
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}
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// Now send single midi on, and midi off message
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ch1.noteOn(64, 64);
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ch1.noteOff(64);
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// Read 10 sec from stream, by this time all voices should be inactvie
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stream.skip(format.getFrameSize() * ((int)(format.getFrameRate() * 20)));
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// If no voice are active, then this test will pass
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VoiceStatus[] v = synth.getVoiceStatus();
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for (int i = 0; i < v.length; i++) {
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if(v[i].active)
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{
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throw new RuntimeException("Not all voices are inactive!");
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}
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}
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// Close the synthesizer after use
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synth.close();
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}
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}
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