public PowerSpectrumGenerator(int fftSize)
{
//Configure
this.fftSize = fftSize;
bufferSize = fftSize * 4;
//Create buffers
loopBuffer = UnsafeBuffer.Create(bufferSize, out loopBufferPtr);
workingBuffer = UnsafeBuffer.Create(fftSize, out workingBufferPtr);
powerBuffer = UnsafeBuffer.Create(fftSize, out powerBufferPtr);
powerPersistBuffer = UnsafeBuffer.Create(fftSize, out powerPersistBufferPtr);
//Create window and FFT
window = new FFTWindow(fftSize, Filters.WindowType.BlackmanHarris7);
fft = new KissFFTComplex(fftSize, false);
}
public PowerPreview(int fftBins, int sampleRate, int frameWidth, int targetFrameRate, bool isHalf = false)
{
//Apply
this.fftBins = fftBins;
this.isHalf = isHalf;
TargetFrameRate = targetFrameRate;
SampleRate = sampleRate;
FrameWidth = frameWidth;
//Set defaults
Attack = 0.4f;
Decay = 0.3f;
//Get FFT window and an FFT
window = new FFTWindow(fftBins, WindowType.Youssef);
fft = new KissFFTComplex(fftBins, false);
//Open constant buffers
fftCirularBuffer = UnsafeBuffer.Create(fftBins, out fftCirularPtr);
fftIncomingBuffer = UnsafeBuffer.Create(fftBins, out fftIncomingPtr);
fftProcessingBuffer = UnsafeBuffer.Create(fftBins, out fftProcessingPtr);
powerProcessingBuffer = UnsafeBuffer.Create(fftBins, out powerProcessingPtr);
}
