public void Load(Uri uri)
{
Dispose();
_uri = uri;
_waveSource = CSCore.Codecs.CodecFactory.Instance.GetCodec(_uri)
.ToSampleSource()
.ToMono()
.ToWaveSource();
spectrumProvider = new BasicSpectrumProvider(_waveSource.WaveFormat.Channels,
_waveSource.WaveFormat.SampleRate,
CSCore.DSP.FftSize.Fft4096);
//the SingleBlockNotificationStream is used to intercept the played samples
var notificationSource = new SingleBlockNotificationStream(_waveSource.ToSampleSource());
//pass the intercepted samples as input data to the spectrumprovider (which will calculate a fft based on them)
notificationSource.SingleBlockRead += (s, a) => SpectrumProvider.Add(a.Left, a.Right);
_waveSource = notificationSource.ToWaveSource(16);
// Load the sample source
var ws = CSCore.Codecs.CodecFactory.Instance.GetCodec(_uri);
_sampleSource = ws.ToSampleSource();
RaiseSourceEvent(SourceEventType.Loaded);
hasMedia = true;
LoadSoundOut();
}
public void Record(string filename)
{
if (string.IsNullOrWhiteSpace(filename))
{
return;
}
cachedPosition = TimeSpan.Zero;
position = TimeSpan.Zero;
sampleLength = 0;
recordedData = new List <float>();
if (InputDevice == null)
{
return;
}
if (recordingState == RecordingState.Recording)
{
return;
}
recordingState = RecordingState.Recording;
if (inputDevice.Type == DeviceType.Capture)
{
_capture = new WasapiCapture();
}
else
{
_capture = new WasapiLoopbackCapture();
}
_capture.Device = inputDevice.ActualDevice;
_capture.Initialize();
_soundInSource = new SoundInSource(_capture)
{
FillWithZeros = false
};
_soundInSource.DataAvailable += _soundInSource_DataAvailable;
_waveSource = _soundInSource
.ChangeSampleRate(SampleRate)
.ToSampleSource()
.ToWaveSource(BitResolution)
.ToMono();
spectrumProvider = new BasicSpectrumProvider(_waveSource.WaveFormat.Channels,
_waveSource.WaveFormat.SampleRate,
CSCore.DSP.FftSize.Fft4096);
_waveWriter = new WaveWriter(filename, _waveSource.WaveFormat);
//the SingleBlockNotificationStream is used to intercept the played samples
_notificationSource = new SingleBlockNotificationStream(_waveSource.ToSampleSource());
//pass the intercepted samples as input data to the spectrumprovider (which will calculate a fft based on them)
_notificationSource.SingleBlockRead += _notificationSource_SingleBlockRead;
_waveSource = _notificationSource.ToWaveSource(16);
RaiseSourceEvent(SourceEventType.Loaded);
_capture.Start();
RaiseSourcePropertyChangedEvent(SourceProperty.RecordingState, _capture.RecordingState);
}
