1 /*
2 * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import java.io.IOException;
25
26 import javax.sound.sampled.AudioFormat;
27 import javax.sound.sampled.AudioSystem;
28 import javax.sound.sampled.DataLine;
29 import javax.sound.sampled.LineUnavailableException;
30 import javax.sound.sampled.Mixer;
31 import javax.sound.sampled.SourceDataLine;
32
33 /**
34 * This is utility class for Test5032020.
35 */
36 public class DirectSoundUnderrunSilence {
37
38 static int sampleRate = 8000;
39 static double frequency = 1000.0;
40 static double RAD = 2.0 * Math.PI;
41
42 static byte[] audioData = new byte[sampleRate/8];
43 static DataLine.Info info;
44 static SourceDataLine source;
45
46 //static AudioInputStream ais = null;
47 static AudioFormat audioFormat;
48 //static String filename;
49
50 public static void print(String s) {
51 System.out.print(s);
52 }
53 public static void println(String s) {
54 System.out.println(s);
55 }
56
57 public static void key() {
58 println("");
59 print("Press ENTER to continue...");
60 try {
61 System.in.read();
62 } catch (IOException ioe) {
63 }
64 println("");
65 }
66
67 public static void play(Mixer mixer) {
68 int res = 0;
69 try {
70 println("Getting SDL from mixer...");
71 source = (SourceDataLine) mixer.getLine(info);
72 println("Opening SDL...");
73 source.open(audioFormat);
74 println("Writing data to SDL...");
75 source.write(audioData, 0, audioData.length);
76 println("Starting SDL...");
77 source.start();
78 println("Now open your ears:");
79 println("You should have heard a short tone,");
80 println("followed by silence (no repeating tones).");
81 key();
82 source.write(audioData, 0, audioData.length);
83 println("Now you should have heard another short tone.");
84 println("If you did not hear a second tone, or more than 2 tones,");
85 println("the test is FAILED.");
86 println("otherwise, if you heard a total of 2 tones, the bug is fixed.");
87 key();
88 } catch (IllegalArgumentException iae) {
89 println("IllegalArgumentException: "+iae.getMessage());
90 println("Sound device cannot handle this audio format.");
91 println("ERROR: Test environment not correctly set up.");
92 if (source!=null) {
93 source.close();
94 source = null;
95 }
96 return;
97 } catch (LineUnavailableException lue) {
98 println("LineUnavailableException: "+lue.getMessage());
99 println("This is normal for some mixers.");
100 } catch (Exception e) {
101 println("Unexpected Exception: "+e.toString());
102 }
103 if (source != null) {
104 println("Stopping...");
105 source.stop();
106 println("Closing...");
107 source.close();
108 println("Closed.");
109 source = null;
110 }
111 }
112
113 public static void main(String[] args) throws Exception {
114 println("This is an interactive test for DirectAudio.");
115 println("If it's impossible to play data after an underun, the test fails.");
116 println("");
117 println("Make sure that you have speakers connected");
118 println("and that the system mixer is not muted.");
119 println("Also stop all other programs playing sounds:");
120 println("It has been seen that it alters the results.");
121 println("");
122 println("Press a key to start the test.");
123 key();
124 Mixer.Info[] mixers=null;
125
126 println(" ...using self-generated sine wave for playback");
127 audioFormat = new AudioFormat((float)sampleRate, 8, 1, true, true);
128 for (int i=0; i<audioData.length; i++) {
129 audioData[i] = (byte)(Math.sin(RAD*frequency/sampleRate*i)*127.0);
130 }
131 info = new DataLine.Info(SourceDataLine.class, audioFormat);
132
133 mixers = AudioSystem.getMixerInfo();
134 int succMixers = 0;
135 for (int i=0; i<mixers.length; i++) {
136 println(""+mixers[i]+":");
137 if ((mixers[i].getName()+mixers[i].getDescription()+mixers[i].getVendor()).indexOf("Direct") < 0) {
138 println(" ->not a DirectAudio Mixer!");
139 } else {
140 try {
141 Mixer mixer = AudioSystem.getMixer(mixers[i]);
142 if (!mixer.isLineSupported(info)) {
143 println(" ->doesn't support SourceDataLine!");
144 } else {
145 succMixers++;
146 println(" -> is getting tested.");
147 play(mixer);
148 }
149 } catch (Exception e) {
150 println(" -> Exception occured: "+e);
151 e.printStackTrace();
152 }
153 }
154 }
155 if (succMixers == 0) {
156 println("No DirectAudio mixers available! ");
157 println("Cannot run test.");
158 }
159 }
160
161 }