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
24import java.io.ByteArrayInputStream;
25
26import javax.sound.sampled.AudioFormat;
27import javax.sound.sampled.AudioInputStream;
28import javax.sound.sampled.AudioSystem;
29import javax.sound.sampled.Clip;
30import javax.sound.sampled.DataLine;
31import javax.sound.sampled.LineUnavailableException;
32import 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 */
41public 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}
164