comparison dsp/chromagram/Chromagram.cpp @ 339:9c8ee77db9de

Tidy real-to-complex FFT -- forward and inverse have different arguments, so make them separate functions; document

     for (int i = 0; i < m_frameSize; ++i) {
         m_windowbuf[i] = data[i];
     }
     m_window->cut(m_windowbuf);
 
-    // FFT of current frame
-    m_FFT->process(false, m_windowbuf, m_FFTRe, m_FFTIm);
+    m_FFT->forward(m_windowbuf, m_FFTRe, m_FFTIm);
 
     return process(m_FFTRe, m_FFTIm);
 }
 
 double* Chromagram::process( const double *real, const double *imag )

     // initialise chromadata to 0
     for (unsigned i = 0; i < m_BPO; i++) m_chromadata[i] = 0;
 
     double cmax = 0.0;
     double cval = 0;
-
     // Calculate ConstantQ frame
     m_ConstantQ->process( real, imag, m_CQRe, m_CQIm );
 	
     // add each octave of cq data into Chromagram
     const unsigned octaves = (int)floor(double( m_uK/m_BPO))-1;