1 /*

     2  * Copyright (c) 2002, 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 import java.io.InputStream;

    26 

    27 import javax.sound.sampled.AudioFormat;

    28 import javax.sound.sampled.AudioInputStream;

    29 import javax.sound.sampled.AudioSystem;

    30 import javax.sound.sampled.Clip;

    31 import javax.sound.sampled.DataLine;

    32 import javax.sound.sampled.LineEvent;

    33 import javax.sound.sampled.LineListener;

    34 import javax.sound.sampled.LineUnavailableException;

    35 import javax.sound.sampled.Mixer;

    36 

    37 /**

    38  * @test

    39  * @bug 4498848

    40  * @summary Sound causes crashes on Linux (part 3)

    41  */

    42 public class ClipLinuxCrash2 implements LineListener{

    43     Clip clip;

    44     int stopOccured;

    45     static final Object lock = new Object();

    46 

    47     public static long bytes2Ms(long bytes, AudioFormat format) {

    48         return (long) (bytes/format.getFrameRate()*1000/format.getFrameSize());

    49     }

    50 

    51     static int staticLen=1000;

    52     static boolean addLen=true;

    53 

    54     ClipLinuxCrash2() {

    55     }

    56 

    57     public void update(LineEvent e) {

    58         if (e.getType() == LineEvent.Type.STOP) {

    59             stopOccured++;

    60             out("  Test program: receives STOP event for clip="+clip.toString()+" no."+stopOccured);

    61             out("  Test program: Calling close() in event dispatcher thread");

    62             clip.close();

    63             synchronized (lock) {

    64                 lock.notifyAll();

    65             }

    66         }

    67         else if (e.getType() == LineEvent.Type.CLOSE) {

    68             out("  Test program: receives CLOSE event for "+clip.toString());

    69             synchronized (lock) {

    70                 lock.notifyAll();

    71             }

    72         }

    73         else if (e.getType() == LineEvent.Type.START) {

    74             out("  Test program: receives START event for "+clip.toString());

    75         }

    76         else if (e.getType() == LineEvent.Type.OPEN) {

    77             out("  Test program: receives OPEN event for "+clip.toString());

    78         }

    79     }

    80 

    81     public long start() throws Exception {

    82         AudioFormat format = new AudioFormat(44100, 16, 2, true, false);

    83 

    84         if (addLen) {

    85             staticLen+=(int) (staticLen/5)+1000;

    86         } else {

    87             staticLen-=(int) (staticLen/5)+1000;

    88         }

    89         if (staticLen>8*44100*4) {

    90             staticLen = 8*44100*4;

    91             addLen=!addLen;

    92         }

    93         if (staticLen<1000) {

    94             staticLen = 1000;

    95             addLen=!addLen;

    96         }

    97         int len = staticLen;

    98         len -= (len % 4);

    99         out("  Test program: preparing to play back "+len+" bytes == "+bytes2Ms(len, format)+"ms audio...");

   100 

   101         byte[] fakedata=new byte[len];

   102         InputStream is = new ByteArrayInputStream(fakedata);

   103         AudioInputStream ais = new AudioInputStream(is, format, fakedata.length/format.getFrameSize());

   104 

   105         DataLine.Info info = new DataLine.Info(Clip.class, ais.getFormat());

   106         clip = (Clip) AudioSystem.getLine(info);

   107         clip.addLineListener(this);

   108 

   109         out("  Test program: opening clip="+((clip==null)?"null":clip.toString()));

   110         clip.open(ais);

   111         ais.close();

   112         out("  Test program: starting clip="+((clip==null)?"null":clip.toString()));

   113         clip.start();

   114         return bytes2Ms(fakedata.length, format);

   115     }

   116 

   117     public static void main(String[] args) throws Exception {

   118         if (!isSoundcardInstalled()) {

   119             return;

   120         }

   121 

   122         try {

   123             int COUNT=10;

   124             out();

   125             out("4498848 Sound causes crashes on Linux");

   126             if (args.length>0) {

   127                 COUNT=Integer.parseInt(args[0]);

   128             }

   129             for (int i=0; i<COUNT; i++) {

   130                 out("trial "+(i+1)+"/"+COUNT);

   131                 ClipLinuxCrash2 t = new ClipLinuxCrash2();

   132                 t.start();

   133                 int waitTime = 300+(1300*(i % 2)); // every 2nd time wait 1600, rather than 300ms.

   134                 out("  Test program: waiting for "+waitTime+" ms for audio playback to stop...");

   135                 Thread.sleep(waitTime);

   136                 out("  Test program: calling close() from main thread");

   137                 t.clip.close();

   138                 // let the subsystem enough time to actually close the soundcard

   139                 //out("  Test program: waiting for 2 seconds...");

   140                 //Thread.sleep(2000);

   141                 //out();

   142             }

   143             out("  Test program: waiting for 1 second...");

   144             Thread.sleep(1000);

   145         } catch (Exception e) {

   146             e.printStackTrace();

   147             out("  Test program: waiting for 1 second");

   148             try {

   149                 Thread.sleep(1000);

   150             } catch (InterruptedException ie) {}

   151             // do not fail if no audio device installed - bug 4742021

   152             if (!(e instanceof LineUnavailableException)) {

   153                 throw e;

   154             }

   155         }

   156         out("Test passed");

   157     }

   158 

   159     static void out() {

   160         out("");

   161     }

   162 

   163     static void out(String s) {

   164         System.out.println(s); System.out.flush();

   165     }

   166 

   167     /**

   168      * Returns true if at least one soundcard is correctly installed

   169      * on the system.

   170      */

   171     public static boolean isSoundcardInstalled() {

   172         boolean result = false;

   173         try {

   174             Mixer.Info[] mixers = AudioSystem.getMixerInfo();

   175             if (mixers.length > 0) {

   176                 result = AudioSystem.getSourceDataLine(null) != null;

   177             }

   178         } catch (Exception e) {

   179             System.err.println("Exception occured: "+e);

   180         }

   181         if (!result) {

   182             System.err.println("Soundcard does not exist or sound drivers not installed!");

   183             System.err.println("This test requires sound drivers for execution.");

   184         }

   185         return result;

   186     }

   187 

   188 }