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livetrax/libs/qm-dsp/dsp/phasevocoder/PhaseVocoder.h

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/* -*- 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;
class PhaseVocoder
{
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