2011-03-02 07:37:39 -05:00
|
|
|
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
QM DSP Library
|
|
|
|
|
|
|
|
|
|
Centre for Digital Music, Queen Mary, University of London.
|
|
|
|
|
This file 2005-2006 Christian Landone.
|
|
|
|
|
|
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
|
|
|
modify it under the terms of the GNU General Public License as
|
|
|
|
|
published by the Free Software Foundation; either version 2 of the
|
|
|
|
|
License, or (at your option) any later version. See the file
|
|
|
|
|
COPYING included with this distribution for more information.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef PHASEVOCODER_H
|
|
|
|
|
#define PHASEVOCODER_H
|
|
|
|
|
|
|
|
|
|
class FFTReal;
|
|
|
|
|
|
2015-10-04 14:51:05 -04:00
|
|
|
class PhaseVocoder
|
2011-03-02 07:37:39 -05:00
|
|
|
{
|
|
|
|
|
public:
|
|
|
|
|
PhaseVocoder( unsigned int size );
|
|
|
|
|
virtual ~PhaseVocoder();
|
|
|
|
|
|
|
|
|
|
void process( double* src, double* mag, double* theta);
|
|
|
|
|
|
|
|
|
|
protected:
|
|
|
|
|
void getPhase(unsigned int size, double *theta, double *real, double *imag);
|
|
|
|
|
// void coreFFT( unsigned int NumSamples, double *RealIn, double* ImagIn, double *RealOut, double *ImagOut);
|
|
|
|
|
void getMagnitude( unsigned int size, double* mag, double* real, double* imag);
|
|
|
|
|
void FFTShift( unsigned int size, double* src);
|
|
|
|
|
|
|
|
|
|
unsigned int m_n;
|
|
|
|
|
FFTReal *m_fft;
|
|
|
|
|
double *m_imagOut;
|
|
|
|
|
double *m_realOut;
|
|
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#endif
|
