cannam@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
cannam@0: 
cannam@0: /*
cannam@0:     QM DSP Library
cannam@0: 
cannam@0:     Centre for Digital Music, Queen Mary, University of London.
cannam@0:     This file copyright 2005-2006 Christian Landone.
cannam@0:     All rights reserved.
cannam@0: */
cannam@0: 
cannam@0: #ifndef PHASEVOCODER_H
cannam@0: #define PHASEVOCODER_H
cannam@0: 
cannam@0: 
cannam@0: class PhaseVocoder  
cannam@0: {
cannam@0: public:
cannam@0:     PhaseVocoder();
cannam@0:     virtual ~PhaseVocoder();
cannam@0: 
cannam@0:     void process( unsigned int size, double* src, double* mag, double* theta);
cannam@0:     void FFTShift( unsigned int size, double* src);
cannam@0: 
cannam@0: protected:
cannam@0:     void getPhase(unsigned int size, double *theta, double *real, double *imag);
cannam@0:     void coreFFT( unsigned int NumSamples, double *RealIn, double* ImagIn, double *RealOut, double *ImagOut);
cannam@0:     void getMagnitude( unsigned int size, double* mag, double* real, double* imag);
cannam@0: 
cannam@0:     double* shiftBuffer;
cannam@0:     double* imagOut;
cannam@0:     double* realOut;
cannam@0: 
cannam@0: };
cannam@0: 
cannam@0: #endif