static void setUp() throws Exception {
    testarray = new float[1024];
    for (int i = 0; i < 1024; i++) {
      double ii = i / 1024.0;
      ii = ii * ii;
      testarray[i] = (float) Math.sin(10 * ii * 2 * Math.PI);
      testarray[i] += (float) Math.sin(1.731 + 2 * ii * 2 * Math.PI);
      testarray[i] += (float) Math.sin(0.231 + 6.3 * ii * 2 * Math.PI);
      testarray[i] *= 0.3;
    }
    test_byte_array = new byte[testarray.length * 2];
    AudioFloatConverter.getConverter(format).toByteArray(testarray, test_byte_array);
    buffer = new ModelByteBuffer(test_byte_array);

    byte[] test_byte_array2 = new byte[testarray.length * 3];
    buffer24 = new ModelByteBuffer(test_byte_array2);
    test_byte_array_8ext = new byte[testarray.length];
    byte[] test_byte_array_8_16 = new byte[testarray.length * 2];
    AudioFloatConverter.getConverter(format24).toByteArray(testarray, test_byte_array2);
    int ix = 0;
    int x = 0;
    for (int i = 0; i < test_byte_array_8ext.length; i++) {
      test_byte_array_8ext[i] = test_byte_array2[ix++];
      test_byte_array_8_16[x++] = test_byte_array2[ix++];
      test_byte_array_8_16[x++] = test_byte_array2[ix++];
    }
    buffer16_8 = new ModelByteBuffer(test_byte_array_8_16);
    buffer8 = new ModelByteBuffer(test_byte_array_8ext);

    AudioInputStream ais = new AudioInputStream(buffer.getInputStream(), format, testarray.length);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    AudioSystem.write(ais, AudioFileFormat.Type.WAVE, baos);
    buffer_wave = new ModelByteBuffer(baos.toByteArray());
  }
Exemplo n.º 2
0
  public static void main(String[] args) throws Exception {
    try {
      setUp();

      ModelByteBuffer buff = new ModelByteBuffer(test_file);
      List<ModelByteBuffer> col = new ArrayList<ModelByteBuffer>();
      col.add(buff);
      ModelByteBuffer.loadAll(col);
      if (buff.array() == null) throw new RuntimeException("buf is null!");
      if (buff.array().length != test_byte_array.length)
        throw new RuntimeException("buff.array().length length is incorrect!");
      byte[] b = buff.array();
      for (int i = 0; i < b.length; i++)
        if (test_byte_array[i] != b[i]) throw new RuntimeException("buff.array() incorrect!");

    } finally {
      tearDown();
    }
  }