1 /*
   2  * Copyright (c) 2007, 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 ModelByteBufferWavetable(ModelByteBuffer, AudioFormat)  method */
  26 
  27 import java.io.ByteArrayOutputStream;
  28 
  29 import javax.sound.sampled.*;
  30 
  31 import com.sun.media.sound.*;
  32 
  33 public class NewModelByteBufferWavetableModelByteBufferAudioFormatFloat {
  34 
  35     static float[] testarray;
  36     static byte[] test_byte_array;
  37     static byte[] test_byte_array_8ext;
  38     static AudioFormat format = new AudioFormat(44100, 16, 1, true, false);
  39     static AudioFormat format24 = new AudioFormat(44100, 24, 1, true, false);
  40     static ModelByteBuffer buffer;
  41     static ModelByteBuffer buffer_wave;
  42     static ModelByteBuffer buffer8;
  43     static ModelByteBuffer buffer16_8;
  44     static ModelByteBuffer buffer24;
  45 
  46     static void setUp() throws Exception {
  47         testarray = new float[1024];
  48         for (int i = 0; i < 1024; i++) {
  49             double ii = i / 1024.0;
  50             ii = ii * ii;
  51             testarray[i] = (float)Math.sin(10*ii*2*Math.PI);
  52             testarray[i] += (float)Math.sin(1.731 + 2*ii*2*Math.PI);
  53             testarray[i] += (float)Math.sin(0.231 + 6.3*ii*2*Math.PI);
  54             testarray[i] *= 0.3;
  55         }
  56         test_byte_array = new byte[testarray.length*2];
  57         AudioFloatConverter.getConverter(format).toByteArray(testarray, test_byte_array);
  58         buffer = new ModelByteBuffer(test_byte_array);
  59 
  60         byte[] test_byte_array2 = new byte[testarray.length*3];
  61         buffer24 = new ModelByteBuffer(test_byte_array2);
  62         test_byte_array_8ext = new byte[testarray.length];
  63         byte[] test_byte_array_8_16 = new byte[testarray.length*2];
  64         AudioFloatConverter.getConverter(format24).toByteArray(testarray, test_byte_array2);
  65         int ix = 0;
  66         int x = 0;
  67         for (int i = 0; i < test_byte_array_8ext.length; i++) {
  68             test_byte_array_8ext[i] = test_byte_array2[ix++];
  69             test_byte_array_8_16[x++] = test_byte_array2[ix++];
  70             test_byte_array_8_16[x++] = test_byte_array2[ix++];
  71         }
  72         buffer16_8 = new ModelByteBuffer(test_byte_array_8_16);
  73         buffer8 = new ModelByteBuffer(test_byte_array_8ext);
  74 
  75         AudioInputStream ais = new AudioInputStream(buffer.getInputStream(), format, testarray.length);
  76         ByteArrayOutputStream baos = new ByteArrayOutputStream();
  77         AudioSystem.write(ais, AudioFileFormat.Type.WAVE, baos);
  78         buffer_wave = new ModelByteBuffer(baos.toByteArray());
  79     }
  80 
  81     public static void main(String[] args) throws Exception {
  82 
  83         setUp();
  84 
  85         ModelByteBufferWavetable wavetable = new ModelByteBufferWavetable(buffer,format);
  86         if(wavetable.getBuffer() != buffer)
  87             throw new RuntimeException("wavetable.getBuffer() incorrect!");
  88         if(!wavetable.getFormat().matches(format))
  89             throw new RuntimeException("wavetable.getFormat() incorrect!");
  90     }
  91 
  92 }