/// <summary>
/// Write the structure and data to the .wav file.
/// </summary>
/// <param name="stream">The stream to write the data to.</param>
/// <param name="waveHeaderStructure">The complete structure and sound data of the .wav file.</param>
/// <returns>True if the write was succesfull; else false.</returns>
public bool Write(System.IO.Stream stream, WaveStructure waveHeaderStructure)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
BinaryWriter binaryWriter = null;
try
{
// Create a new binary reader from the file stream
// set the starting position at the begining
binaryWriter = new BinaryWriter(stream);
binaryWriter.BaseStream.Seek(0, SeekOrigin.Begin);
// Write each pice of binary data to the file.
binaryWriter.Write(waveHeaderStructure.ChunckID);
binaryWriter.Write(waveHeaderStructure.FileSize);
binaryWriter.Write(waveHeaderStructure.RiffType);
binaryWriter.Write(waveHeaderStructure.FmtID);
binaryWriter.Write(waveHeaderStructure.FmtSize);
binaryWriter.Write(waveHeaderStructure.FmtCode);
binaryWriter.Write(waveHeaderStructure.Channels);
binaryWriter.Write(waveHeaderStructure.SampleRate);
binaryWriter.Write(waveHeaderStructure.FmtAverageByteRate);
binaryWriter.Write(waveHeaderStructure.FmtBlockAlign);
binaryWriter.Write(waveHeaderStructure.BitsPerSample);
// If the format size is not '16' then write additional
// data to the wave file.
if (waveHeaderStructure.FmtSize != 16)
{
binaryWriter.Write(waveHeaderStructure.FmtExtraSize);
binaryWriter.Write(waveHeaderStructure.FmtExtraData);
}
// Write the 'data' indicator and the actual data size value.
binaryWriter.Write(waveHeaderStructure.DataID);
binaryWriter.Write(waveHeaderStructure.DataSize);
// From the data size value write the actual sound data.
binaryWriter.Write(waveHeaderStructure.SoundData);
// Close the streams
binaryWriter.Flush();
// The write operation completed.
return(true);
}
catch (Exception)
{
throw;
}
}
/// <summary>
/// Read the structure and data of the .wav file.
/// </summary>
/// <param name="stream">The stream to read the data from.</param>
/// <returns>The complete structure and sound data of the .wav file.</returns>
public WaveStructure Read(System.IO.Stream stream)
{
WaveStructure wave = new WaveStructure();
BinaryReader binaryReader = null;
try
{
// Create a new binary reader from the file stream
// set the starting position at the begining
binaryReader = new BinaryReader(stream);
binaryReader.BaseStream.Seek(0, SeekOrigin.Begin);
// Read each pice of binary data from the file.
wave.ChunckID = binaryReader.ReadInt32();
wave.FileSize = binaryReader.ReadInt32();
wave.RiffType = binaryReader.ReadInt32();
wave.FmtID = binaryReader.ReadInt32();
wave.FmtSize = binaryReader.ReadInt32();
wave.FmtCode = binaryReader.ReadInt16();
wave.Channels = binaryReader.ReadInt16();
wave.SampleRate = binaryReader.ReadInt32();
wave.FmtAverageByteRate = binaryReader.ReadInt32();
wave.FmtBlockAlign = binaryReader.ReadInt16();
wave.BitsPerSample = binaryReader.ReadInt16();
// If the format size is not '16' then read additional
// data from the wave file.
if (wave.FmtSize != 16)
{
// Read any extra values
wave.FmtExtraSize = binaryReader.ReadInt16();
wave.FmtExtraData = binaryReader.ReadBytes(wave.FmtExtraSize);
}
// Read the 'data' indicator and the actual data size value.
wave.DataID = binaryReader.ReadInt32();
wave.DataSize = binaryReader.ReadInt32();
// From the data size value read the actual sound data.
wave.SoundData = binaryReader.ReadBytes(wave.DataSize);
// Return the wave structure and data.
return(wave);
}
catch (Exception)
{
throw;
}
}
/// <summary>
/// Creates the default mono values of the wave structure.
/// </summary>
/// <param name="sampleRate">Sample rate typical values are 44100, 11025 etc.</param>
/// <param name="soundData">The actual sound data the raw PCM data.</param>
/// <returns>The wave structure for the current data.</returns>
public static WaveStructure CreateDefaultMonoStructure(Int32 sampleRate, byte[] soundData)
{
WaveStructure wave = new WaveStructure();
// Set all the default values.
wave.ChunckID = 1179011410;
wave.FileSize = (soundData.Length + 36);
wave.RiffType = 1163280727;
wave.FmtID = 544501094;
wave.FmtSize = 16;
wave.FmtCode = 1;
wave.BitsPerSample = 16;
wave.Channels = 1;
wave.SampleRate = sampleRate;
wave.FmtAverageByteRate = (Int32)((sampleRate * 1) * (wave.BitsPerSample / 8));
wave.FmtBlockAlign = (Int16)(1 * (wave.BitsPerSample / 8));
wave.DataID = 1635017060;
wave.DataSize = soundData.Length;
wave.SoundData = soundData;
// return the wave structure.
return(wave);
}
/// <summary>
/// Read the structure and data of the .wav file.
/// </summary>
/// <param name="filePath">The full path and file name of the .wav file.</param>
/// <returns>The complete structure and sound data of the .wav file.</returns>
public WaveStructure Read(string filePath)
{
if (String.IsNullOrEmpty(filePath))
{
throw new ArgumentNullException("filePath");
}
WaveStructure wave = new WaveStructure();
FileStream fileStream = null;
BinaryReader binaryReader = null;
try
{
// Create a new file stream for the file.
fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read);
// Create a new binary reader from the file stream
// set the starting position at the begining
binaryReader = new BinaryReader(fileStream);
binaryReader.BaseStream.Seek(0, SeekOrigin.Begin);
// Read each pice of binary data from the file.
wave.ChunckID = binaryReader.ReadInt32();
wave.FileSize = binaryReader.ReadInt32();
wave.RiffType = binaryReader.ReadInt32();
wave.FmtID = binaryReader.ReadInt32();
wave.FmtSize = binaryReader.ReadInt32();
wave.FmtCode = binaryReader.ReadInt16();
wave.Channels = binaryReader.ReadInt16();
wave.SampleRate = binaryReader.ReadInt32();
wave.FmtAverageByteRate = binaryReader.ReadInt32();
wave.FmtBlockAlign = binaryReader.ReadInt16();
wave.BitsPerSample = binaryReader.ReadInt16();
// If the format size is not '16' then read additional
// data from the wave file.
if (wave.FmtSize != 16)
{
// Read any extra values
wave.FmtExtraSize = binaryReader.ReadInt16();
wave.FmtExtraData = binaryReader.ReadBytes(wave.FmtExtraSize);
}
// Read the 'data' indicator and the actual data size value.
wave.DataID = binaryReader.ReadInt32();
wave.DataSize = binaryReader.ReadInt32();
// From the data size value read the actual sound data.
wave.SoundData = binaryReader.ReadBytes(wave.DataSize);
// Close the streams
binaryReader.Close();
fileStream.Close();
// Return the wave structure and data.
return(wave);
}
catch (Exception)
{
throw;
}
finally
{
if (binaryReader != null)
{
binaryReader.Close();
}
if (fileStream != null)
{
fileStream.Close();
}
}
}
/// <summary>
/// Write the structure and data to the .wav file.
/// </summary>
/// <param name="filePath">The full path and file name of the .wav file.</param>
/// <param name="waveHeaderStructure">The complete structure and sound data of the .wav file.</param>
/// <returns>True if the write was succesfull; else false.</returns>
public bool Write(string filePath, WaveStructure waveHeaderStructure)
{
if (String.IsNullOrEmpty(filePath))
{
throw new ArgumentNullException("filePath");
}
FileStream fileStream = null;
BinaryWriter binaryWriter = null;
try
{
// Create a new file stream for the file.
fileStream = new FileStream(filePath, FileMode.Create, FileAccess.Write, FileShare.Write);
// Create a new binary reader from the file stream
// set the starting position at the begining
binaryWriter = new BinaryWriter(fileStream);
binaryWriter.BaseStream.Seek(0, SeekOrigin.Begin);
// Write each pice of binary data to the file.
binaryWriter.Write(waveHeaderStructure.ChunckID);
binaryWriter.Write(waveHeaderStructure.FileSize);
binaryWriter.Write(waveHeaderStructure.RiffType);
binaryWriter.Write(waveHeaderStructure.FmtID);
binaryWriter.Write(waveHeaderStructure.FmtSize);
binaryWriter.Write(waveHeaderStructure.FmtCode);
binaryWriter.Write(waveHeaderStructure.Channels);
binaryWriter.Write(waveHeaderStructure.SampleRate);
binaryWriter.Write(waveHeaderStructure.FmtAverageByteRate);
binaryWriter.Write(waveHeaderStructure.FmtBlockAlign);
binaryWriter.Write(waveHeaderStructure.BitsPerSample);
// If the format size is not '16' then write additional
// data to the wave file.
if (waveHeaderStructure.FmtSize != 16)
{
binaryWriter.Write(waveHeaderStructure.FmtExtraSize);
binaryWriter.Write(waveHeaderStructure.FmtExtraData);
}
// Write the 'data' indicator and the actual data size value.
binaryWriter.Write(waveHeaderStructure.DataID);
binaryWriter.Write(waveHeaderStructure.DataSize);
// From the data size value write the actual sound data.
binaryWriter.Write(waveHeaderStructure.SoundData);
// Close the streams
binaryWriter.Flush();
binaryWriter.Close();
fileStream.Close();
// The write operation completed.
return(true);
}
catch (Exception)
{
throw;
}
finally
{
if (binaryWriter != null)
{
binaryWriter.Close();
}
if (fileStream != null)
{
fileStream.Close();
}
}
}
