1 /*

     2  * Copyright (c) 2010, 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.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 /* @test

    27  @summary Test AudioFloatInputStream.getFrameLength() returned from

    28  ModelByteBufferWavetable openStream method */

    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 }