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
135
136
|
/*
* Copyright (c) 2003, 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 javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.Line;
import javax.sound.sampled.Mixer;
/**
* @test
* @bug 4936397
* @summary Verify that there'll for a given endianness, there's also the little
* endian version
*/
public class BothEndiansAndSigns {
static boolean failed = false;
static int testedFormats = 0;
public static void main(String[] args) throws Exception {
out("4936397: Verify that there'll for a given endianness, there's also the little endian version");
out(" and the same for signed'ness for 8-bit formats");
Mixer.Info[] aInfos = AudioSystem.getMixerInfo();
for (int i = 0; i < aInfos.length; i++) {
try {
Mixer mixer = AudioSystem.getMixer(aInfos[i]);
out("Mixer "+aInfos[i]);
checkLines(mixer, mixer.getSourceLineInfo());
checkLines(mixer, mixer.getTargetLineInfo());
} catch (Exception e) {
out("Unexpected exception when getting a mixer: "+e);
}
}
if (testedFormats == 0) {
out("[No appropriate lines available] - cannot exercise this test.");
} else {
if (failed) {
throw new Exception("Test FAILED!");
}
out("Test passed");
}
}
public static void checkLines(Mixer mixer, Line.Info[] infos) {
for (int i = 0; i<infos.length; i++) {
try {
if (infos[i] instanceof DataLine.Info) {
DataLine.Info info = (DataLine.Info) infos[i];
System.out.println(" Line "+info+" (max. "+mixer.getMaxLines(info)+" simultaneously): ");
AudioFormat[] formats = info.getFormats();
for (int f = 0; f < formats.length; f++) {
try {
AudioFormat otherEndianOrSign = getOtherEndianOrSign(formats[f]);
if (otherEndianOrSign != null) {
checkFormat(formats, otherEndianOrSign);
}
} catch (Exception e1) {
out(" Unexpected exception when getting a format: "+e1);
}
}
}
} catch (Exception e) {
out(" Unexpected exception when getting a line: "+e);
}
}
}
public static void checkFormat(AudioFormat[] formats, AudioFormat format) {
for (int i = 0; i < formats.length; i++) {
testedFormats++;
if (formats[i].matches(format)) {
return;
}
}
out(" ## expected this format: "+format
+" ("+format.getChannels()+" channels, "
+"frameSize="+format.getFrameSize()+", "
+(format.isBigEndian()?"big endian":"little endian")
+")");
failed = true;
}
public static AudioFormat getOtherEndianOrSign(AudioFormat format) {
AudioFormat.Encoding newEnc = null;
boolean newEndian = format.isBigEndian();
boolean isSigned = format.getEncoding().equals(AudioFormat.Encoding.PCM_SIGNED);
boolean isUnsigned = format.getEncoding().equals(AudioFormat.Encoding.PCM_UNSIGNED);
if ((isSigned || isUnsigned) && format.getSampleSizeInBits() > 0) {
if (format.getSampleSizeInBits() == 8) {
// return the other signed'ness
if (isSigned) {
newEnc = AudioFormat.Encoding.PCM_UNSIGNED;
} else {
newEnc = AudioFormat.Encoding.PCM_SIGNED;
}
} else {
newEnc = format.getEncoding();
newEndian = !newEndian;
}
if (newEnc != null) {
return new AudioFormat(newEnc, format.getSampleRate(),
format.getSampleSizeInBits(),
format.getChannels(),
format.getFrameSize(),
format.getFrameRate(),
newEndian);
}
}
return null;
}
static void out(String s) {
System.out.println(s); System.out.flush();
}
}
|
