/// <summary>Reads a new WAVE format section from the specified stream.</summary>
/// <param name="preRead">Pre-parsed <see cref="RiffChunk"/> header.</param>
/// <param name="source">Source stream to read data from.</param>
/// <param name="waveFormat">Format of the data section to be parsed.</param>
/// <exception cref="InvalidOperationException">WAVE format or extra parameters section too small, wave file corrupted.</exception>
public WaveDataChunk(RiffChunk preRead, Stream source, WaveFormatChunk waveFormat)
: base(preRead, RiffTypeID)
{
m_waveFormat = waveFormat;
m_sampleBlocks = new List <LittleBinaryValue[]>();
m_chunkSize = -1;
int blockSize = waveFormat.BlockAlignment;
int sampleSize = waveFormat.BitsPerSample / 8;
int channels = waveFormat.Channels;
TypeCode sampleTypeCode = m_waveFormat.GetSampleTypeCode();
LittleBinaryValue[] sampleBlock;
byte[] buffer = new byte[blockSize];
int bytesRead = source.Read(buffer, 0, blockSize);
while (bytesRead == blockSize)
{
// Create a new sample block, one little-endian formatted binary sample value for each channel
sampleBlock = new LittleBinaryValue[channels];
for (int x = 0; x < channels; x++)
{
sampleBlock[x] = new LittleBinaryValue(sampleTypeCode, buffer, x * sampleSize, sampleSize);
}
m_sampleBlocks.Add(sampleBlock);
bytesRead = source.Read(buffer, 0, blockSize);
}
}
/// <summary>
/// Creates a new instance of the <see cref="WaveDataReader"/> class.
/// </summary>
/// <param name="waveFormat">The format of the wave stream.</param>
/// <param name="waveStream">The stream containing wave data.</param>
public WaveDataReader(WaveFormatChunk waveFormat, Stream waveStream)
{
m_format = waveFormat ?? DEFAULT_WAVE_FORMAT_CHUNK;
m_waveStream = waveStream;
m_blockSize = m_format.BlockAlignment;
m_sampleSize = m_format.BitsPerSample / 8;
m_channels = m_format.Channels;
m_sampleType = m_format.GetSampleTypeCode();
}
/// <summary>Reads a new WAVE format section from the specified stream.</summary>
/// <param name="preRead">Pre-parsed <see cref="RiffChunk"/> header.</param>
/// <param name="source">Source stream to read data from.</param>
/// <param name="waveFormat">Format of the data section to be parsed.</param>
/// <exception cref="InvalidOperationException">WAVE format or extra parameters section too small, wave file corrupted.</exception>
public WaveDataChunk(RiffChunk preRead, Stream source, WaveFormatChunk waveFormat)
: base(preRead, RiffTypeID)
{
m_waveFormat = waveFormat;
m_sampleBlocks = new List<LittleBinaryValue[]>();
m_chunkSize = -1;
int blockSize = waveFormat.BlockAlignment;
int sampleSize = waveFormat.BitsPerSample / 8;
int channels = waveFormat.Channels;
TypeCode sampleTypeCode = m_waveFormat.GetSampleTypeCode();
LittleBinaryValue[] sampleBlock;
byte[] buffer = new byte[blockSize];
int bytesRead = source.Read(buffer, 0, blockSize);
while (bytesRead == blockSize)
{
// Create a new sample block, one little-endian formatted binary sample value for each channel
sampleBlock = new LittleBinaryValue[channels];
for (int x = 0; x < channels; x++)
{
sampleBlock[x] = new LittleBinaryValue(sampleTypeCode, buffer, x * sampleSize, sampleSize);
}
m_sampleBlocks.Add(sampleBlock);
bytesRead = source.Read(buffer, 0, blockSize);
}
}
/// <summary>
/// Creates a new instance of the <see cref="WaveDataReader"/> class.
/// </summary>
/// <param name="waveFormat">The format of the wave stream.</param>
/// <param name="waveStream">The stream containing wave data.</param>
public WaveDataReader(WaveFormatChunk waveFormat, Stream waveStream)
{
m_format = waveFormat ?? DEFAULT_WAVE_FORMAT_CHUNK;
m_waveStream = waveStream;
m_blockSize = m_format.BlockAlignment;
m_sampleSize = m_format.BitsPerSample / 8;
m_channels = m_format.Channels;
m_sampleType = m_format.GetSampleTypeCode();
}
