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 }