/// <summary>
/// Open the recorder.
/// </summary>
/// <param name="filename">The path and filename of the file to write the audio to.</param>
/// <param name="format">The audio wave format.</param>
/// <param name="audioRecordingFormat">The audio recording format.</param>
public void Open(string filename, WaveFormatProvider format = null, AudioRecordingFormat audioRecordingFormat = AudioRecordingFormat.WaveIn)
{
// If not created.
if (!_waveInCreated)
{
_filename = filename;
_audioStream = new FileStream(filename, FileMode.Create, FileAccess.Write, FileShare.Read);
_internalStream = true;
_isBufferStream = false;
// Initialise.
Init(format, audioRecordingFormat);
_waveInCreated = true;
}
}
/// <summary>
/// Initialise the waveIn stream.
/// </summary>
/// <param name="format">The audio wave format.</param>
/// <param name="audioRecordingFormat">The audio recording format.</param>
private void Init(WaveFormatProvider format, AudioRecordingFormat audioRecordingFormat)
{
_audioFormat = audioRecordingFormat;
// Get all the catpure devices.
MMDeviceEnumerator DevEnum = new MMDeviceEnumerator();
MMDeviceCollection devices = DevEnum.EnumerateAudioEndPoints(EDataFlow.Capture, EDeviceState.Active);
// Select the device index.
_mmDevice = devices[_device.Index];
// If null the setup defaults.
if (format == null)
{
// Select the provider.
switch (audioRecordingFormat)
{
case AudioRecordingFormat.WasapiLoopback:
_waveIn = new WasapiLoopbackCapture(_mmDevice);
break;
case AudioRecordingFormat.Wasapi:
_waveIn = new WasapiCapture(_mmDevice);
_waveIn.WaveFormat = new WaveFormatProvider(8000, 16, 1);
break;
case AudioRecordingFormat.WaveInEvent:
_waveIn = new WaveInEvent()
{
DeviceNumber = _device.Index, BufferMilliseconds = _bufferMilliseconds
};
_waveIn.WaveFormat = new WaveFormatProvider(8000, 16, 1);
break;
case AudioRecordingFormat.WaveIn:
default:
_waveIn = new WaveIn()
{
DeviceNumber = _device.Index, BufferMilliseconds = _bufferMilliseconds
};
_waveIn.WaveFormat = new WaveFormatProvider(8000, 16, 1);
break;
}
}
else
{
// Select the provider.
switch (audioRecordingFormat)
{
case AudioRecordingFormat.WasapiLoopback:
_waveIn = new WasapiLoopbackCapture(_mmDevice);
break;
case AudioRecordingFormat.Wasapi:
_waveIn = new WasapiCapture(_mmDevice);
_waveIn.WaveFormat = format;
break;
case AudioRecordingFormat.WaveInEvent:
_waveIn = new WaveInEvent()
{
DeviceNumber = _device.Index, BufferMilliseconds = _bufferMilliseconds
};
_waveIn.WaveFormat = format;
break;
case AudioRecordingFormat.WaveIn:
default:
_waveIn = new WaveIn()
{
DeviceNumber = _device.Index, BufferMilliseconds = _bufferMilliseconds
};
_waveIn.WaveFormat = format;
break;
}
}
// Set the capture.
_waveIn.DataAvailable += _waveIn_DataAvailable;
_waveIn.RecordingStopped += _waveIn_RecordingStopped;
}
/// <summary>
/// Open the recorder.
/// </summary>
/// <param name="outStream">The stream to write the audio to.</param>
/// <param name="format">The audio wave format.</param>
/// <param name="audioRecordingFormat">The audio recording format.</param>
public void Open(System.IO.Stream outStream, WaveFormatProvider format = null, AudioRecordingFormat audioRecordingFormat = AudioRecordingFormat.WaveIn)
{
// If not created.
if (!_waveInCreated)
{
_audioStream = outStream;
_internalStream = false;
_isBufferStream = false;
// Initialise.
Init(format, audioRecordingFormat);
_waveInCreated = true;
}
}
