pitchscale.h

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#ifndef PITCHSCALE_H
#define PITCHSCALE_H
 
#include <config.h>
 
#ifndef _USE_MATH_DEFINES
#define _USE_MATH_DEFINES
#endif
 
#include <math.h>
 
#ifdef FFTW3
 
#include <fftw3.h>
 
typedef fftwf_plan fft_plan;
typedef float fftw_real;
 
#else
 
#ifdef EXPLICIT_S
#include <srfftw.h>
#else
#include <rfftw.h>
#endif //EXPLICIT_S
 
typedef rfftw_plan fft_plan;
 
#endif //FFTW3
 
typedef struct {
        float *gInFIFO;
        float *gOutFIFO;
        float *gLastPhase;
        float *gSumPhase;
        float *gOutputAccum;
        float *gAnaFreq;
        float *gAnaMagn;
        float *gSynFreq;
        float *gSynMagn;
        float *gWindow;
        long   gRover;
} sbuffers;
 
#define MAX_FRAME_LENGTH 4096
 
#define true  1
#define false 0
 
void pitch_scale(sbuffers *buffers, const double pitchScale, const long
                fftFrameLength, const long osamp, const long numSampsToProcess,
                const double sampleRate, const float *indata, float *outdata,
                const int adding, const float gain);
 
#endif