1 /*

     2  * Copyright (c) 2005, 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 javax.sound.sampled.AudioFormat;

    25 import javax.sound.sampled.AudioSystem;

    26 import javax.sound.sampled.Clip;

    27 import javax.sound.sampled.DataLine;

    28 

    29 /*

    30  * @test

    31  * @bug 5070081

    32  * @summary Tests that javax.sound.sampled.Clip does not loses position through

    33  *          stop/start

    34  * @key headful

    35  */

    36 public class bug5070081 {

    37 

    38     static AudioFormat format = new AudioFormat(22050, 8, 1, false, false);

    39     // create a 3-second file

    40     static byte[] soundData = new byte[(int) (format.getFrameRate() * format.getFrameSize() * 3)];

    41 

    42     static final int LOOP_COUNT = 5;

    43 

    44     static boolean test() throws Exception {

    45         DataLine.Info info = new DataLine.Info(Clip.class, format);

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

    47         clip.open(format, soundData, 0, soundData.length);

    48 

    49         boolean bSuccess = true;

    50 

    51         long nLengthMS = clip.getMicrosecondLength()/1000;

    52 

    53         System.out.println("  Clip length:");

    54         System.out.println("    frames: " + clip.getFrameLength());

    55         System.out.println("    seconds: " + nLengthMS/1000.0);

    56 

    57         clip.start();                               // start playing

    58         Thread.sleep(1000);                         // wait a sec

    59         long time1 = System.currentTimeMillis();

    60         long pos1 = clip.getFramePosition();        // store the position

    61         System.out.println("  Position before stop: " + pos1);

    62         clip.stop();                                // and then stop

    63         long pos2 = clip.getFramePosition();        // 2nd try

    64         long time2 = System.currentTimeMillis();

    65         System.out.println("  Position after stop: " + pos2);

    66 

    67         System.out.println("  d(time): " + Math.abs(time2-time1) + " ms;"

    68                 + "d(clip pos): " + Math.abs(pos2 - pos1) + " ms.");

    69 

    70         long nDerivation = Math.abs(pos2 - pos1) - Math.abs(time2-time1);

    71         // add 50 ms for deviation (delay for stopping and errors due timer precision)

    72         if (nDerivation > 50) {

    73             System.out.println("  ERROR(1): The deviation is too much: " + nDerivation + " ms");

    74             bSuccess = false;

    75         }

    76 

    77         Thread.sleep(1000);

    78         clip.start();                               // start again

    79         Thread.sleep(100);

    80         while(clip.isRunning());                    // wait for the sound to finish

    81 

    82         int nEndPos = clip.getFramePosition();

    83         System.out.println("  Position at end: " + nEndPos);

    84         if (nEndPos > clip.getFrameLength()) {

    85             System.out.println("  ERROR(2): end position if out of range");

    86             bSuccess = false;

    87         }

    88 

    89         clip.close();

    90 

    91         return bSuccess;

    92     }

    93 

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

    95         for (int count=1; count <= LOOP_COUNT; count++)

    96         {

    97             System.out.println("loop " + count + "/" + LOOP_COUNT);

    98             if (!test())

    99             {

   100                 System.out.println("Test FAILED");

   101                 throw new RuntimeException("Test FAILED.");

   102             }

   103         }

   104 

   105         System.out.println("Test passed sucessfully");

   106     }

   107 }