1 /*
   2  * Copyright (c) 2010, 2015, 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 /* @test
  25    @summary Test AudioFloatInputStream.getFrameLength() returned from
  26    ModelByteBufferWavetable openStream method 
  27    @modules java.desktop/com.sun.media.sound 
  28 */
  29 
  30 import java.io.ByteArrayOutputStream;
  31 import java.io.File;
  32 import java.io.FileOutputStream;
  33 
  34 import javax.sound.sampled.*;
  35 
  36 import com.sun.media.sound.*;
  37 
  38 public class OpenStream {
  39 
  40     static float[] testarray;
  41 
  42     static byte[] test_byte_array;
  43 
  44     static byte[] test_byte_array_8ext;
  45 
  46     static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
  47 
  48     static AudioFormat format24 = new AudioFormat(44100, 24, 1, true, false);
  49 
  50     static ModelByteBuffer buffer;
  51 
  52     static ModelByteBuffer buffer_wave;
  53 
  54     static ModelByteBuffer buffer8;
  55 
  56     static ModelByteBuffer buffer16_8;
  57 
  58     static ModelByteBuffer buffer24;
  59 
  60     static File test_file;
  61 
  62     static ModelByteBuffer buffer_wave_ondisk;
  63 
  64     static void setUp() throws Exception {
  65         testarray = new float[1024];
  66         for (int i = 0; i < 1024; i++) {
  67             double ii = i / 1024.0;
  68             ii = ii * ii;
  69             testarray[i] = (float) Math.sin(10 * ii * 2 * Math.PI);
  70             testarray[i] += (float) Math.sin(1.731 + 2 * ii * 2 * Math.PI);
  71             testarray[i] += (float) Math.sin(0.231 + 6.3 * ii * 2 * Math.PI);
  72             testarray[i] *= 0.3;
  73         }
  74         test_byte_array = new byte[testarray.length * 2];
  75         AudioFloatConverter.getConverter(format).toByteArray(testarray,
  76                 test_byte_array);
  77         buffer = new ModelByteBuffer(test_byte_array);
  78 
  79         byte[] test_byte_array2 = new byte[testarray.length * 3];
  80         buffer24 = new ModelByteBuffer(test_byte_array2);
  81         test_byte_array_8ext = new byte[testarray.length];
  82         byte[] test_byte_array_8_16 = new byte[testarray.length * 2];
  83         AudioFloatConverter.getConverter(format24).toByteArray(testarray,
  84                 test_byte_array2);
  85         int ix = 0;
  86         int x = 0;
  87         for (int i = 0; i < test_byte_array_8ext.length; i++) {
  88             test_byte_array_8ext[i] = test_byte_array2[ix++];
  89             test_byte_array_8_16[x++] = test_byte_array2[ix++];
  90             test_byte_array_8_16[x++] = test_byte_array2[ix++];
  91         }
  92         buffer16_8 = new ModelByteBuffer(test_byte_array_8_16);
  93         buffer8 = new ModelByteBuffer(test_byte_array_8ext);
  94 
  95         AudioInputStream ais = new AudioInputStream(buffer.getInputStream(),
  96                 format, testarray.length);
  97         ByteArrayOutputStream baos = new ByteArrayOutputStream();
  98         AudioSystem.write(ais, AudioFileFormat.Type.WAVE, baos);
  99         buffer_wave = new ModelByteBuffer(baos.toByteArray());
 100 
 101         test_file = File.createTempFile("test", ".raw");
 102         FileOutputStream fos = new FileOutputStream(test_file);
 103         fos.write(baos.toByteArray());
 104         fos.close();
 105         buffer_wave_ondisk = new ModelByteBuffer(test_file);
 106 
 107     }
 108 
 109     static void tearDown() throws Exception {
 110         if (!test_file.delete())
 111             test_file.deleteOnExit();
 112     }
 113 
 114     public static void testOpenStream(ModelByteBufferWavetable wavetable)
 115             throws Exception {
 116         AudioFloatInputStream ais = wavetable.openStream();
 117         long frames = wavetable.getBuffer().capacity()
 118                 / wavetable.getFormat().getFrameSize();
 119         long framelength = ais.getFrameLength();
 120         ais.close();
 121         if (frames != framelength) {
 122             throw new Exception("Incorrect framelength returned (" + frames
 123                     + " != " + framelength + ")");
 124         }
 125     }
 126 
 127     public static void main(String[] args) throws Exception {
 128 
 129         setUp();
 130 
 131         try {
 132             testOpenStream(new ModelByteBufferWavetable(buffer, format));
 133             testOpenStream(new ModelByteBufferWavetable(buffer_wave, format));
 134             testOpenStream(new ModelByteBufferWavetable(buffer_wave_ondisk,
 135                     format));
 136         } finally {
 137             tearDown();
 138         }
 139 
 140     }
 141 
 142 }