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
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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/*
* Copyright (c) 2001, 2016, 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.
*/
import java.io.ByteArrayInputStream;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.FloatControl;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.Mixer;
/**
* @test
* @bug 4385654
* @summary Check that the MASTER_GAIN control has a valid precision
*/
//public class test047 extends TRTest
public class FloatControlBug {
private Clip theClip;
boolean testPassed = true;
private AudioFormat.Encoding theEncoding = AudioFormat.Encoding.PCM_SIGNED;
private float theSampleRate = 44100;
private int theSampleSize = 16;
private int theNumberOfChannels = 1;
private int theFrameSize = 2;
private float theFrameRate = 44100;
private boolean isBigEndian = false;
//_______________________________________________
// Method: runTest
//_______________________________________________
public boolean runTest() {
AudioInputStream theAudioInputStream = new AudioInputStream(
new ByteArrayInputStream(new byte[0]),
new AudioFormat(44100.0f, 16, 2, true, false), 441000);
AudioFormat theAudioFormat = theAudioInputStream.getFormat();
DataLine.Info info = new DataLine.Info(Clip.class, theAudioFormat,
AudioSystem.NOT_SPECIFIED);
try {
theClip = (Clip) AudioSystem.getLine(info);
theClip.open(theAudioInputStream);
FloatControl theFloatControl = (FloatControl) (theClip.getControl(
FloatControl.Type.MASTER_GAIN));
float theFloatControlPrecision = theFloatControl.getPrecision();
System.out.println(
"theFloatControlPrecision: " + theFloatControlPrecision);
System.out.println("Minimum: " + theFloatControl.getMinimum());
System.out.println("Maximum: " + theFloatControl.getMaximum());
System.out.println("Value : " + theFloatControl.getValue());
testPassed = theFloatControlPrecision > 0;
} catch (LineUnavailableException e) {
e.printStackTrace();
testPassed = true;
} catch (Exception e) {
e.printStackTrace();
testPassed = false;
}
return testPassed;
}
//_______________________________________________
// Method: main
//_______________________________________________
public static void main(String[] args) throws Exception {
//test047 thisTest = new test047();
if (isSoundcardInstalled()) {
FloatControlBug thisTest = new FloatControlBug();
boolean testResult = thisTest.runTest();
if (testResult) {
System.out.println("Test passed");
} else {
System.out.println("Test failed");
throw new Exception("Test failed");
}
}
}
/**
* Returns true if at least one soundcard is correctly installed
* on the system.
*/
public static boolean isSoundcardInstalled() {
boolean result = false;
try {
Mixer.Info[] mixers = AudioSystem.getMixerInfo();
if (mixers.length > 0) {
result = AudioSystem.getSourceDataLine(null) != null;
}
} catch (Exception e) {
System.err.println("Exception occured: " + e);
}
if (!result) {
System.err.println(
"Soundcard does not exist or sound drivers not installed!");
System.err.println(
"This test requires sound drivers for execution.");
}
return result;
}
}
|
