comparison dsp/transforms/FFT.cpp @ 30:a251fb0de594

* Make MFCC able to accept already-FFT'd input, and simplify API a bit
* Add log power value to MFCC, restore windowing, and avoid some heap allocs
* In HMM, bail out of iteration if loglik hits NaN

 FFT::~FFT()
 {
 
 }
 
-void FFT::process(unsigned int p_nSamples, bool p_bInverseTransform, double *p_lpRealIn, double *p_lpImagIn, double *p_lpRealOut, double *p_lpImagOut)
+void FFT::process(unsigned int p_nSamples, bool p_bInverseTransform,
+                  const double *p_lpRealIn, const double *p_lpImagIn,
+                  double *p_lpRealOut, double *p_lpImagOut)
 {
 
     if(!p_lpRealIn || !p_lpRealOut || !p_lpImagOut) return;