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.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 headful

    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 }