1 /*
2 * Copyright (c) 2003, 2017, 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.ByteArrayInputStream;
25
26 import javax.sound.sampled.AudioFormat;
27 import javax.sound.sampled.AudioInputStream;
28 import javax.sound.sampled.AudioSystem;
29 import javax.sound.sampled.Clip;
30 import javax.sound.sampled.DataLine;
31 import javax.sound.sampled.LineUnavailableException;
32 import javax.sound.sampled.Mixer;
33
34 /**
35 * @test
36 * @bug 4946913
37 * @summary DirectClip doesn't kill the thread correctly, sometimes
38 * @run main/othervm ClipCloseLoss
39 * @key intermittent
40 */
41 public class ClipCloseLoss {
42 static int frameCount = 441000; // lets say 10 seconds
43 static AudioFormat format = new AudioFormat(44100.0f, 16, 2, true, false);
44 static ByteArrayInputStream bais =
45 new ByteArrayInputStream(new byte[frameCount * format.getFrameSize()]);
46
47 static int success = 0;
48 static boolean failed = false;
49
50 public static void run(Mixer m) {
51 Clip clip = null;
52 try {
53 if (m == null) {
54 out("Using default mixer");
55 clip = (Clip) AudioSystem.getClip();
56 } else {
57 out("Using mixer: "+m);
58 DataLine.Info info = new DataLine.Info(Clip.class, format, AudioSystem.NOT_SPECIFIED);
59 clip = (Clip) m.getLine(info);
60 }
61 out(" got clip: "+clip);
62 if (!clip.getClass().toString().contains("Direct")) {
63 out(" no direct audio clip -> do not test.");
64 return;
65 }
66
67 out(" open");
68 bais.reset();
69 clip.open(new AudioInputStream(bais, format, frameCount));
70
71 out(" clip.close()");
72 //long t = System.currentTimeMillis();
73 clip.close();
74 //if (System.currentTimeMillis() - t > 1950) {
75 // out(" clip.close needed more than 2 seconds! Causes failure of this test.");
76 // failed = true;
77 //}
78 out(" clip closed");
79 success++;
80 } catch (LineUnavailableException luae) {
81 // line not available, test not failed
82 System.err.println(luae);
83 } catch (IllegalArgumentException iae) {
84 // line not available, test not failed
85 System.err.println(iae);
86 } catch (Throwable t) {
87 t.printStackTrace();
88 }
89 }
90
91 public static int getClipThreadCount() {
92 int ret = 0;
93 ThreadGroup tg = Thread.currentThread().getThreadGroup();
94 while (tg.getParent() != null) { tg = tg.getParent(); }
95 Thread[] threads = new Thread[500];
96 int count = tg.enumerate(threads, true);
97 for (int i = 0; i < count; i++) {
98 if (threads[i].getName().contains("Direct")
99 && threads[i].getName().contains("Clip")) {
100 out("Found Direct Clip thread object: "+threads[i]);
101 ret++;
102 }
103 }
104 return ret;
105 }
106
107 public static void main(String[] args) throws Exception {
108 if (isSoundcardInstalled()) {
109 bais.mark(0);
110 run(null);
111 Mixer.Info[] infos = AudioSystem.getMixerInfo();
112 for (int i = 0; i<infos.length; i++) {
113 try {
114 Mixer m = AudioSystem.getMixer(infos[i]);
115 run(m);
116 } catch (Exception e) {
117 }
118 }
119 out("Waiting 1 second to dispose of all threads");
120 Thread.sleep(1000);
121 if (getClipThreadCount() > 0) {
122 out("Unused clip threads exist! Causes test failure");
123 failed = true;
124 }
125 if (failed) throw new Exception("Test FAILED!");
126 if (success > 0) {
127 out("Test passed.");
128 } else {
129 System.err.println("Test could not execute: please install an audio device");
130 }
131 }
132 }
133
134 /**
135 * Returns true if at least one soundcard is correctly installed
136 * on the system.
137 */
138 public static boolean isSoundcardInstalled() {
139 boolean result = false;
140 try {
141 Mixer.Info[] mixers = AudioSystem.getMixerInfo();
142 if (mixers.length > 0) {
143 result = AudioSystem.getSourceDataLine(null) != null;
144 }
145 } catch (Exception e) {
146 System.err.println("Exception occured: "+e);
147 }
148 if (!result) {
149 System.err.println("Soundcard does not exist or sound drivers not installed!");
150 System.err.println("This test requires sound drivers for execution.");
151 }
152 return result;
153 }
154
155 public static void out(String s) {
156 /*long t = System.nanoTime() / 1000000l;
157 String ts = ""+(t % 1000);
158 while (ts.length() < 3) ts = "0"+ts;
159 System.out.println(""+(t/1000)+":"+ts+" "+s);
160 System.out.flush();*/
161 System.out.println(s);
162 }
163 }