public bool Start()
{
if (!Directory.Exists(_documentsSettings.DocumentsPath))
{
return(false);
}
if (_isStarted)
{
Stop();
}
_waveWriter = new WaveWriter(GetNewName(), _waveFormatAdapter.WaveFormatFromCurrentSettings());
_isStarted = true;
return(true);
}
public override void Start()
{
if (_started)
{
Stop();
}
DataFlow dataFlow = (DataFlow)_speechSettings.SelectedDataFlowId;
var devices = MMDeviceEnumerator.EnumerateDevices(dataFlow, DeviceState.Active);
if (devices.Count - 1 < _speechSettings.InputDeviceIndex)
{
throw new Exception($" device Index {_speechSettings.InputDeviceIndex} is not avalibe");
}
if (dataFlow == DataFlow.Render)
{
var wasapiFormat = _waveFormatAdapter.WaveFormatFromCurrentSettings();
_soundIn = new WasapiLoopbackCapture(100, wasapiFormat);
}
else
{
_soundIn = new WasapiCapture();
}
_soundIn.Device = devices[_speechSettings.InputDeviceIndex];
_soundIn.Initialize();
var wasapiCaptureSource = new SoundInSource(_soundIn)
{
FillWithZeros = false
};
_waveSource = wasapiCaptureSource
.ChangeSampleRate(_speechSettings.SampleRateValue) // sample rate
.ToSampleSource()
.ToWaveSource(_speechSettings.BitsPerSampleValue); //bits per sample;
if (_speechSettings.ChannelValue == 1)
{
_waveSource = _waveSource.ToMono();
}
else
{
_waveSource = _waveSource.ToStereo();
}
wasapiCaptureSource.DataAvailable += (s, e) =>
{
//read data from the converedSource
//important: don't use the e.Data here
//the e.Data contains the raw data provided by the
//soundInSource which won't have your target format
byte[] buffer = new byte[_waveSource.WaveFormat.BytesPerSecond / 2];
int read;
//keep reading as long as we still get some data
//if you're using such a loop, make sure that soundInSource.FillWithZeros is set to false
while ((read = _waveSource.Read(buffer, 0, buffer.Length)) > 0)
{
SendData(buffer, read);
}
};
_soundIn.Start();
_started = true;
}