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.ByteArrayOutputStream;
  26 import java.io.InputStream;
  27 
  28 import javax.sound.sampled.AudioFileFormat;
  29 import javax.sound.sampled.AudioFormat;
  30 import javax.sound.sampled.AudioInputStream;
  31 import javax.sound.sampled.AudioSystem;
  32 
  33 /**
  34  * @test
  35  * @bug 4914639
  36  * @summary JavaSound writes wrong sample rates to AIFF files
  37  */
  38 public class AiffSampleRate {
  39 
  40     private static final float[] testSampleRates =
  41     {8000.0F, 8000.0F + 0.011F, 8193.975F, 10000.0F, 11025.0F, 12000.0F,
  42      16000.0F, 22050.0F, 24000.0F, 32000.0F, 44100.0F - 1.22222F, 44100.0F,
  43      47888.888F, 48000.0F, 96000.0F, 192000.0F};
  44 
  45     public static void main(String[] args) throws Exception {
  46         boolean isTestPassed = true;
  47 
  48         out("#4914639: JavaSound writes wrong sample rates to AIFF files");
  49         for (int i = 0; i < testSampleRates.length; i++) {
  50             isTestPassed &= testSampleRate(testSampleRates[i]);
  51         }
  52         if (isTestPassed) {
  53             out("Test PASSED.");
  54         } else {
  55             throw new Exception("Test FAILED.");
  56         }
  57     }
  58 
  59     private static boolean testSampleRate(float sampleRate) {
  60         boolean result = true;
  61 
  62         try {
  63             // create AudioInputStream with sample rate of 10000 Hz
  64             ByteArrayInputStream data = new ByteArrayInputStream(new byte[1]);
  65             AudioFormat format = new AudioFormat(sampleRate, 8, 1, true, true);
  66             AudioInputStream stream = new AudioInputStream(data, format, 1);
  67 
  68             // write to AIFF file
  69             ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
  70             AudioSystem.write(stream, AudioFileFormat.Type.AIFF, outputStream);
  71             byte[] fileData = outputStream.toByteArray();
  72             InputStream inputStream = new ByteArrayInputStream(fileData);
  73             AudioFileFormat aff = AudioSystem.getAudioFileFormat(inputStream);
  74             if (! equals(sampleRate, aff.getFormat().getFrameRate())) {
  75                 out("error for sample rate " + sampleRate);
  76                 result = false;
  77             }
  78         } catch (Exception e) {
  79             out(e);
  80             out("Test NOT FAILED");
  81         }
  82         return result;
  83     }
  84 
  85     private static boolean equals(float f1, float f2) {
  86         return Math.abs(f2 - f1) < 1.0E-9;
  87     }
  88 
  89     private static void out(Throwable t) {
  90         t.printStackTrace(System.out);
  91     }
  92 
  93     private static void out(String message) {
  94         System.out.println(message);
  95     }
  96 }