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.Clip;
29 import javax.sound.sampled.DataLine;
30 import javax.sound.sampled.LineUnavailableException;
31 import javax.sound.sampled.Mixer;
32
33 /**
34 * This is utility class for Test4218609.
35 */
36 public class ClickInPlay {
37
38 static int sampleRate = 8000;
39 static double frequency = 2000.0;
40 static double RAD = 2.0 * Math.PI;
41
42 static byte[] audioData = new byte[sampleRate/2];
43 static DataLine.Info info;
44 static Clip 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 }
65
66 public static void play(Mixer mixer) {
67 int res = 0;
68 try {
69 println("Getting clip from mixer...");
70 source = (Clip) mixer.getLine(info);
71 println("Opening clip...");
72 source.open(audioFormat, audioData, 0, audioData.length);
73 println("Starting clip...");
74 source.loop(Clip.LOOP_CONTINUOUSLY);
75 println("Now open your ears:");
76 println("- if you hear a sine wave playing,");
77 println(" listen carefully if you can hear clicks.");
78 println(" If no, the bug is fixed.");
79 println("- if you don't hear anything, it's possible");
80 println(" that this mixer is not connected to an ");
81 println(" amplifier, or that its volume is set to 0");
82 key();
83 } catch (IllegalArgumentException iae) {
84 println("IllegalArgumentException: "+iae.getMessage());
85 println("Sound device cannot handle this audio format.");
86 println("ERROR: Test environment not correctly set up.");
87 if (source!=null) {
88 source.close();
89 source = null;
90 }
91 return;
92 } catch (LineUnavailableException lue) {
93 println("LineUnavailableException: "+lue.getMessage());
94 println("This is normal for some mixers.");
95 } catch (Exception e) {
96 println("Unexpected Exception: "+e.toString());
97 }
98 if (source != null) {
99 println("Stopping...");
100 source.stop();
101 println("Closing...");
102 source.close();
103 println("Closed.");
104 source = null;
105 }
106 }
107
108 public static void main(String[] args) throws Exception {
109 println("This is an interactive test.");
110 println("If you can hear clicks during playback in");
111 println("any mixer, the test is failed.");
112 println("");
113 println("Make sure that you have speakers connected");
114 println("and that the system mixer is not muted.");
115 println("");
116 println("Press a key to start the test.");
117 key();
118 Mixer.Info[] mixers=null;
119
120 println(" ...using self-generated sine wave for playback");
121 audioFormat = new AudioFormat((float)sampleRate, 8, 1, true, true);
122 for (int i=0; i<audioData.length; i++) {
123 audioData[i] = (byte)(Math.sin(RAD*frequency/sampleRate*i)*127.0);
124 }
125 info = new DataLine.Info(Clip.class, audioFormat);
126
127 mixers = AudioSystem.getMixerInfo();
128 int succMixers = 0;
129 for (int i=0; i<mixers.length; i++) {
130 try {
131 Mixer mixer = AudioSystem.getMixer(mixers[i]);
132 if (mixer.isLineSupported(info)) {
133 succMixers++;
134 println(" ...using mixer "+mixer.getMixerInfo());
135 play(mixer);
136 }
137 } catch (Exception e) {
138 e.printStackTrace();
139 }
140 }
141 if (succMixers == 0) {
142 println("No mixers available! ");
143 println("Cannot run test.");
144 }
145 }
146
147 }