| /* |
| * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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| */ |
| |
| /* @test |
| @summary Test SoftChannel noteOn/noteOff overflow test |
| @modules java.desktop/com.sun.media.sound |
| */ |
| |
| import javax.sound.midi.MidiChannel; |
| import javax.sound.midi.VoiceStatus; |
| import javax.sound.sampled.AudioFormat; |
| import javax.sound.sampled.AudioInputStream; |
| |
| import com.sun.media.sound.AudioSynthesizer; |
| import com.sun.media.sound.SoftSynthesizer; |
| |
| 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(); |
| } |
| } |