public SampleAggregator(int fftLength)
{
if (!IsPowerOfTwo(fftLength))
{
throw new ArgumentException("FFT Length must be a power of two");
}
this.m = (int)Math.Log(fftLength, 2.0);
this.fftLength = fftLength;
this.fftBuffer = new Complex[fftLength];
this.fftArgs = new FftEventArgs(fftBuffer);
}
void FftCalculated(object sender, FftEventArgs e)
{
c = e.Result;
freq_str = "";
if (c != null)
{
for (int i = 0; i < spectre_peaks.Length; i++)
{
last_peaks[i] = spectre_peaks[i];
}
nullify_spectre_peaks();
for (int j = 0; j < fftLength / 2; j++)
{
y[j] = (float)((Math.Sqrt(c[j].X * c[j].X + c[j].Y * c[j].Y)));
freq = j * 44100f / fftLength;
freq_str += freq + "\n";
set_spectre_peak(freq, y[j]);
Invalidate();
}
Invalidate();
}
}
void FftCalculated(object sender, FftEventArgs e)
{
c = e.Result;
//e.Result;
// Do something with e.result!
}