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* Renamed NoveltyCurve.* and Spectrogram.* to $(Name)Processor.* * Aligned novelty curve with audio - when performing FIRFilter::process(params), take inputLength after group delay. * Removed trail of Spectrogram. * General tidying!
author Carl Bussey <c.bussey@se10.qmul.ac.uk>
date Thu, 14 Aug 2014 10:31:49 +0100
parents 7680cc4c0073
children 203551cbad47
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//
//  FIRFilter.h
//  Tempogram
//
//  Created by Carl Bussey on 25/06/2014.
//  Copyright (c) 2014 Carl Bussey. All rights reserved.
//

#ifndef __Tempogram__FIRFilter__
#define __Tempogram__FIRFilter__

#include <cmath>
#include <vamp-sdk/FFT.h>
#include <assert.h>

class FIRFilter{
public:
    FIRFilter(const size_t &lengthInput, const size_t &numberOfCoefficients);
    ~FIRFilter();
    void process(const float *pInput, const float *pCoefficients, float * pOutput);
private:
    size_t m_lengthInput;
    size_t m_numberOfCoefficients;
    int m_lengthFIRFFT;
    
    double *m_pFftInput;
    double *m_pFftCoefficients;
    double *m_pFftReal1;
    double *m_pFftImag1;
    double *m_pFftReal2;
    double *m_pFftImag2;
    double *m_pFftFilteredReal;
    double *m_pFftFilteredImag;
    double *m_pFftOutputReal;
    double *m_pFftOutputImag;
    
    void initialise();
    void cleanup();
};

#endif /* defined(__Tempogram__FIRFilter__) */