1 /*
   2  * Copyright (c) 2011, 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 /**
  25  * @test
  26  * @bug 6801206
  27  * @summary Tests that Clip sets frame position
  28  * @author Alex Menkov
  29  */
  30 
  31 import javax.sound.sampled.AudioFormat;
  32 import javax.sound.sampled.AudioSystem;
  33 import javax.sound.sampled.Clip;
  34 import javax.sound.sampled.DataLine;
  35 import javax.sound.sampled.LineUnavailableException;
  36 
  37 public class ClipSetPos {
  38 
  39     final static AudioFormat audioFormat = new AudioFormat(44100f, 16, 2, true, true);
  40     final static int frameLength = 44100 * 2; // 2 seconds
  41     final static byte[] dataBuffer
  42             = new byte[frameLength * (audioFormat.getSampleSizeInBits()/8)
  43                        * audioFormat.getChannels()];
  44     final static int MAX_FRAME_DELTA = 20;
  45 
  46     public static void main(String[] args) {
  47         boolean testPassed = true;
  48         Clip clip = null;
  49         try {
  50             clip = (Clip)AudioSystem.getLine(new DataLine.Info(Clip.class, audioFormat));
  51             clip.open(audioFormat, dataBuffer, 0, dataBuffer.length);
  52         } catch (LineUnavailableException ex) {
  53             log(ex);
  54             log("Cannot test (this is not failure)");
  55             return;
  56         } catch (IllegalArgumentException ex) {
  57             log(ex);
  58             log("Cannot test (this is not failure)");
  59             return;
  60         }
  61 
  62         log("clip: " + clip.getClass().getName());
  63 
  64         int len = clip.getFrameLength();
  65         for (int pos=0; pos < len; pos += (len /100)) {
  66             clip.setFramePosition(pos);
  67             int curPos = clip.getFramePosition();
  68             if (Math.abs(pos - curPos) > MAX_FRAME_DELTA) {
  69                 log("Tried to set pos to " + pos + ", but got back " + curPos);
  70                 testPassed = false;
  71             } else {
  72                 log("Sucessfully set pos to " + pos);
  73             }
  74         }
  75         clip.close();
  76 
  77         if (testPassed) {
  78             log("Test PASSED.");
  79         } else {
  80             log("Test FAILED.");
  81             throw new RuntimeException("Test FAILED (see log)");
  82         }
  83     }
  84 
  85     static void log(String s) {
  86         System.out.println(s);
  87     }
  88 
  89     static void log(Exception ex) {
  90         ex.printStackTrace(System.out);
  91     }
  92 
  93 }