1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
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
73
|
/*
* 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @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();
}
}
|
