/// <summary>
/// Write the stored audio data as a WAVE file.
/// </summary>
public void SaveAsWav(string filePath)
{
// Make sure we have data.
if (String.IsNullOrEmpty(_tempfile))
{
_cbWritten = 0;
return;
}
if (!File.Exists(_tempfile))
{
_tempfile = null;
_cbWritten = 0;
return;
}
if (_cbWritten == 0)
{
File.Delete(_tempfile);
_tempfile = null;
return;
}
FileInfo fi = new FileInfo(_tempfile);
Debug.Assert(fi.Length == _cbWritten);
WaveFileWriter writer = new WaveFileWriter(filePath);
writer.WriteFileHeader((int)fi.Length);
WaveFormatChunk format = new WaveFormatChunk();
format.chunkId = "fmt ";
format.chunkSize = 16; // size of the struct in bytes - 8
format.audioFormat = WAV_FMT_PCM;
format.channelCount = _channelCount;
format.sampleRate = _sampleRate;
format.byteRate = (uint)(_sampleRate * _channelCount * _bitsPerFrame / 8);
format.blockAlign = (ushort)(_channelCount * _bitsPerFrame / 8);
format.bitsPerSample = _bitsPerFrame;
writer.WriteFormatChunk(format);
writer.WriteDataHeader((int)fi.Length);
byte[] data = File.ReadAllBytes(_tempfile);
Debug.Assert(data.Length == _cbWritten);
writer.WriteData(data);
writer.Close();
// Clean up the temporary data from the recording process.
File.Delete(_tempfile);
_tempfile = null;
_cbWritten = 0;
}
/// <summary>
/// Write the stored audio data as a WAVE file.
/// </summary>
public void SaveAsWav(string filePath)
{
// Make sure we have data.
if (String.IsNullOrEmpty(_tempfile))
{
_cbWritten = 0;
return;
}
if (!File.Exists(_tempfile))
{
_tempfile = null;
_cbWritten = 0;
return;
}
if (_cbWritten == 0)
{
File.Delete(_tempfile);
_tempfile = null;
return;
}
FileInfo fi = new FileInfo(_tempfile);
Debug.Assert(fi.Length == _cbWritten);
WaveFileWriter writer = new WaveFileWriter(filePath);
writer.WriteFileHeader((int)fi.Length);
WaveFormatChunk format = new WaveFormatChunk();
format.chunkId = "fmt ";
format.chunkSize = 16; // size of the struct in bytes - 8
format.audioFormat = WAV_FMT_PCM;
format.channelCount = _channelCount;
format.sampleRate = _sampleRate;
format.byteRate = (uint)(_sampleRate * _channelCount * _bitsPerFrame / 8);
format.blockAlign = (ushort)(_channelCount * _bitsPerFrame / 8);
format.bitsPerSample = _bitsPerFrame;
writer.WriteFormatChunk(format);
writer.WriteDataHeader((int)fi.Length);
byte[] data = File.ReadAllBytes(_tempfile);
Debug.Assert(data.Length == _cbWritten);
writer.WriteData(data);
writer.Close();
// Clean up the temporary data from the recording process.
File.Delete(_tempfile);
_tempfile = null;
_cbWritten = 0;
}