public SampleAggregator(ISampleProvider source, int fftLength = 1024)
{
channels = source.WaveFormat.Channels;
if (!IsPowerOfTwo(fftLength))
{
throw new ArgumentException("FFT 长度必须为2的次方");
}
m = (int)Math.Log(fftLength, 2.0);
this.fftLength = fftLength;
fftBuffer = new Complex[fftLength];
fftArgs = new FftEventArgs(fftBuffer);
this.source = source;
}
private void Aggregator_FFTCalculated(object sender, FftEventArgs e)
{
OnFFTCalculated?.Invoke(sender, e);
}