void FFT::Init(int samples_in, int samples_out, int bEqualize, float envelope_power)
{
// samples_in: # of waveform samples you'll feed into the FFT
// samples_out: # of frequency samples you want out; MUST BE A POWER OF 2.
CleanUp();
m_samples_in = samples_in;
NFREQ = samples_out*2;
InitBitRevTable();
InitCosSinTable();
if (envelope_power > 0)
InitEnvelopeTable(envelope_power);
if (bEqualize)
InitEqualizeTable();
temp1 = new float[NFREQ];
temp2 = new float[NFREQ];
}
void FFT::Init(int samples_in, int samples_out, int bEqualize, float envelope_power)
{
// samples_in: # of waveform samples you'll feed into the FFT
// samples_out: # of frequency samples you want out; MUST BE A POWER OF 2.
// bEqualize: set to 1 if you want the magnitude of the basses and trebles
// to be roughly equalized; 0 to leave them untouched.
// envelope_power: set to -1 to disable the envelope; otherwise, specify
// the envelope power you want here. See InitEnvelopeTable for more info.
CleanUp();
m_samples_in = samples_in;
NFREQ = samples_out*2;
InitBitRevTable();
InitCosSinTable();
if (envelope_power > 0)
InitEnvelopeTable(envelope_power);
if (bEqualize)
InitEqualizeTable();
temp1 = new float[NFREQ];
temp2 = new float[NFREQ];
}