public SoundEffect(SoundEffectConfig config) : base(config)
{
_soundIn = new WasapiLoopbackCapture();
_soundIn.Initialize();
var soundInSource = new SoundInSource(_soundIn);
var sampleSource = soundInSource.ToSampleSource();
const FftSize fftSize = FftSize.Fft1024;
_fftBuffer = new float[(int)fftSize];
_spectrumProvider = new SpectrumProvider(sampleSource.WaveFormat.Channels, sampleSource.WaveFormat.SampleRate, fftSize);
var notificationSource = new DataNotificationSource(sampleSource);
notificationSource.DataRead += (s, e) => _spectrumProvider.Add(e.Data, e.Data.Length);
var waveSource = notificationSource.ToWaveSource(16);
var buffer = new byte[waveSource.WaveFormat.BytesPerSecond / 2];
soundInSource.DataAvailable += (s, e) => { while (waveSource.Read(buffer, 0, buffer.Length) > 0)
{
;
}
};
_spectrum = new LedSpectrum(GenerateColor)
{
FftSize = fftSize,
SpectrumProvider = _spectrumProvider,
UseAverage = Config.UseAverage,
MinimumFrequency = Config.MinimumFrequency,
MaximumFrequency = Config.MaximumFrequency,
ScalingStrategy = Config.ScalingStrategy,
ScalingFactor = Config.ScalingFactor,
IsXLogScale = false,
SpectrumResolution = (int)fftSize
};
_spectrum.UpdateFrequencyMapping();
_soundIn.Start();
}
private bool Initialize()
{
if (_initialized)
{
return(true);
}
var currentTicks = Environment.TickCount;
if (currentTicks - _lastInitializeTickCount < 1000)
{
return(false);
}
_lastInitializeTickCount = currentTicks;
try
{
_soundIn = new WasapiLoopbackCapture();
_soundIn.Initialize();
}
catch (Exception e)
{
Logger.Debug(e, "Failed to initialize WasapiLoopbackCapture!");
return(false);
}
Logger.Debug($"Initialized WasapiLoopbackCapture on \"{_soundIn.Device.FriendlyName}\"");
var soundInSource = new SoundInSource(_soundIn);
var sampleSource = soundInSource.ToSampleSource();
const FftSize fftSize = FftSize.Fft1024;
_fftBuffer = new float[(int)fftSize];
_spectrumProvider = new SpectrumProvider(sampleSource.WaveFormat.Channels, sampleSource.WaveFormat.SampleRate, fftSize);
var notificationSource = new DataNotificationSource(sampleSource);
notificationSource.DataRead += (s, e) => _spectrumProvider.Add(e.Data, e.Data.Length);
var waveSource = notificationSource.ToWaveSource(16);
var buffer = new byte[waveSource.WaveFormat.BytesPerSecond / 2];
soundInSource.DataAvailable += (s, e) => { while (waveSource.Read(buffer, 0, buffer.Length) > 0)
{
;
}
};
_spectrum = new LedSpectrum(Config.ColorGradient)
{
FftSize = fftSize,
SpectrumProvider = _spectrumProvider,
UseAverage = Config.UseAverage,
MinimumFrequency = Config.MinimumFrequency,
MaximumFrequency = Config.MaximumFrequency,
ScalingStrategy = Config.ScalingStrategy,
ScalingFactor = Config.ScalingFactor,
IsXLogScale = false
};
_soundIn.Start();
_initialized = true;
return(true);
}
