/*! Sets FFT size */
void Fft::SetMode(uint FftSize)
{
if (m_Spec!=0)
{
Free(m_Buf);
FFTFree(m_Spec);
}
m_sFFT = FftSize;
// Setup IPP structures
int Order = 1;
while ((1<<Order)<m_sFFT) ++Order;
ZASSERT((1<<Order)==m_sFFT); // FFT size must be a power of 2
FFTInit(&m_Spec, Order);
uint sBuffer;
FFTGetBufSize(m_Spec, &sBuffer);
m_Buf = Malloc_Byte(sBuffer);
}
virtual void init(int samplingFreq) {
classInit(samplingFreq);
instanceInit(samplingFreq);
FFTInit(); //one fft for now
}
