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 8178403
  37  * @summary DirectClip doesn't kill the thread correctly, sometimes
  38  * @run main/othervm ClipCloseLoss
  39  */
  40 public class ClipCloseLoss {
  41     static int frameCount = 441000; // lets say 10 seconds
  42     static AudioFormat format = new AudioFormat(44100.0f, 16, 2, true, false);
  43     static ByteArrayInputStream bais =
  44     new ByteArrayInputStream(new byte[frameCount * format.getFrameSize()]);
  45 
  46     static int success = 0;
  47     static boolean failed = false;
  48 
  49     public static void run(Mixer m, long sleep) {
  50         Clip clip = null;
  51         try {
  52             if (m == null) {
  53                 out("Using default mixer");
  54                 clip = (Clip) AudioSystem.getClip();
  55             } else {
  56                 out("Using mixer: "+m);
  57                 DataLine.Info info = new DataLine.Info(Clip.class, format, AudioSystem.NOT_SPECIFIED);
  58                 clip = (Clip) m.getLine(info);
  59             }
  60             out(" got clip: "+clip);
  61             if (!clip.getClass().toString().contains("Direct")) {
  62                 out(" no direct audio clip -> do not test.");
  63                 return;
  64             }
  65 
  66             out(" open");
  67             bais.reset();
  68             clip.open(new AudioInputStream(bais, format, frameCount));
  69 
  70             out(" clip.close()");
  71             // emulates a different delay between open() and close()
  72             Thread.sleep(sleep);
  73             //long t = System.currentTimeMillis();
  74             clip.close();
  75             //if (System.currentTimeMillis() - t > 1950) {
  76             //  out(" clip.close needed more than 2 seconds! Causes failure of this test.");
  77             //  failed = true;
  78             //}
  79             out(" clip closed");
  80             success++;
  81         } catch (LineUnavailableException luae) {
  82             // line not available, test not failed
  83             System.err.println(luae);
  84         } catch (IllegalArgumentException iae) {
  85             // line not available, test not failed
  86             System.err.println(iae);
  87         } catch (Throwable t) {
  88             t.printStackTrace();
  89         }
  90     }
  91 
  92     public static int getClipThreadCount() {
  93         int ret = 0;
  94         ThreadGroup tg = Thread.currentThread().getThreadGroup();
  95         while (tg.getParent() != null) { tg = tg.getParent(); }
  96         Thread[] threads = new Thread[500];
  97         int count = tg.enumerate(threads, true);
  98         for (int i = 0; i < count; i++) {
  99                 if (threads[i].getName().contains("Direct")
 100                     && threads[i].getName().contains("Clip")) {
 101                         out("Found Direct Clip thread object: "+threads[i]);
 102                         ret++;
 103                 }
 104         }
 105         return ret;
 106     }
 107 
 108     public static void main(String[] args) throws Exception    {
 109         if (isSoundcardInstalled()) {
 110             bais.mark(0);
 111             Mixer.Info[] infos = AudioSystem.getMixerInfo();
 112             for (int sleep = 0; sleep < 100; ++sleep) {
 113                 run(null, sleep);
 114                 for (int i = 0; i < infos.length; i++) {
 115                     try {
 116                         Mixer m = AudioSystem.getMixer(infos[i]);
 117                         run(m, sleep);
 118                     } catch (Exception e) {
 119                     }
 120                 }
 121             }
 122             out("Waiting 1 second to dispose of all threads");
 123             Thread.sleep(1000);
 124             if (getClipThreadCount() > 0) {
 125                 out("Unused clip threads exist! Causes test failure");
 126                 failed = true;
 127             }
 128             if (failed) throw new Exception("Test FAILED!");
 129             if (success > 0) {
 130                 out("Test passed.");
 131             } else {
 132                 System.err.println("Test could not execute: please install an audio device");
 133             }
 134         }
 135     }
 136 
 137     /**
 138     * Returns true if at least one soundcard is correctly installed
 139     * on the system.
 140     */
 141     public static boolean isSoundcardInstalled() {
 142         boolean result = false;
 143         try {
 144             Mixer.Info[] mixers = AudioSystem.getMixerInfo();
 145             if (mixers.length > 0) {
 146                 result = AudioSystem.getSourceDataLine(null) != null;
 147             }
 148         } catch (Exception e) {
 149             System.err.println("Exception occured: "+e);
 150         }
 151         if (!result) {
 152             System.err.println("Soundcard does not exist or sound drivers not installed!");
 153             System.err.println("This test requires sound drivers for execution.");
 154         }
 155         return result;
 156     }
 157 
 158     public static void out(String s) {
 159         /*long t = System.nanoTime() / 1000000l;
 160         String ts = ""+(t % 1000);
 161         while (ts.length() < 3) ts = "0"+ts;
 162         System.out.println(""+(t/1000)+":"+ts+" "+s);
 163         System.out.flush();*/
 164         System.out.println(s);
 165     }
 166 }