/// <summary>
/// Asynchronously starts capturing.
/// </summary>
/// <param name="outputStream">A writeable stream where the captured data will be
/// written (in formate specified by OutputType property).</param>
private void Start(Stream outputStream, bool ownsOutputStream)
{
if (capturing == null)
{
lock (CaptureLock)
{
if (capturing == null)
{
try
{
capturing = new CapturingProcess();
capturing.OwnsOutputStream = ownsOutputStream;
FireEvent(Starting);
SoundCapture capture = new SoundCapture(WaveFormat, outputStream, UseSynchronizationContext);
capturing.Process = capture;
capture.CaptureDevice = CaptureDevice;
if (NormalizeVolume)
{
capture.Filters.Add(new Filters.PcmNormalizerFilter());
}
if (OutputType == Outputs.Mp3)
{
Filters.Mp3CompressingFilter compressor = new Filters.Mp3CompressingFilter();
compressor.Mp3BitRate = Mp3BitRate;
capture.Filters.Add(compressor);
}
else if (OutputType == Outputs.Wav)
{
capture.Filters.Add(new Filters.RiffFilter());
}
//Else a raw PCM will go off.
capture.Started += (o, e) => { if (Started != null)
{
Started(this, e);
}
};
//Stopped is fired by this component itself.
capture.Start();
}
catch
{
Stop();
throw;
}
}
}
}
}
/// <summary>
/// Asynchronously starts capturing.
/// </summary>
/// <param name="outputStream">A writeable stream where the captured data will be
/// written (in formate specified by OutputType property).</param>
private void Start(Stream outputStream, bool ownsOutputStream)
{
if (capturing == null)
{
lock (CaptureLock)
{
if (capturing == null)
{
try
{
capturing = new CapturingProcess();
capturing.OwnsOutputStream = ownsOutputStream;
SoundCapture capture = new SoundCapture(WaveFormat, outputStream, UseSynchronizationContext);
capturing.Process = capture;
capture.CaptureDevice = CaptureDevice;
if (UseVOX)
{
int OneSecBufferSize = WaveFormat.SampleRate * ((WaveFormat.BitsPerSample * WaveFormat.Channels) / 8);
this.vox = new Filters.VOXFilter(OneSecBufferSize * BufferSeconds);
this.vox.NAttack = MinSoundSeconds * 8; // One buffer is 1/8 sec (125usec)
this.vox.NDecay = MinSoundSeconds * 8;
this.vox.VolumeThreshold = VOXThreshold;
this.vox.VOXStopping += new EventHandler(vox_VOXStopping);
capture.Filters.Add(vox);
}
if (NormalizeVolume)
{
capture.Filters.Add(new Filters.PcmNormalizerFilter());
}
if (OutputType == Outputs.Mp3)
{
Filters.Mp3CompressingFilter compressor = new Filters.Mp3CompressingFilter();
compressor.Mp3BitRate = Mp3BitRate;
capture.Filters.Add(compressor);
}
else if (OutputType == Outputs.Wav)
{
capture.Filters.Add(new Filters.RiffFilter());
}
//Else a raw PCM will go off.
capture.Started += (o, e) => { if (Started != null)
{
Started(this, e);
}
};
//Stopped is fired by this component itself.
capture.Start();
}
catch
{
Stop();
throw;
}
}
}
}
}
