13
0
livetrax/libs/qm-dsp/dsp/signalconditioning/DFProcess.h

70 lines
1.5 KiB
C
Raw Normal View History

/* -*- 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 CDFPROCESS_H
#define CDFPROCESS_H
#include <stdio.h>
#include "FiltFilt.h"
struct DFProcConfig{
unsigned int length;
unsigned int LPOrd;
double *LPACoeffs;
double *LPBCoeffs;
unsigned int winPre;
unsigned int winPost;
double AlphaNormParam;
bool isMedianPositive;
};
class DFProcess
{
public:
DFProcess( DFProcConfig Config );
virtual ~DFProcess();
void process( double* src, double* dst );
2015-10-05 10:17:49 -04:00
private:
void initialise( DFProcConfig Config );
void deInitialise();
void removeDCNormalize( double *src, double*dst );
void medianFilter( double* src, double* dst );
int m_length;
int m_FFOrd;
int m_winPre;
int m_winPost;
double m_alphaNormParam;
double* filtSrc;
double* filtDst;
double* m_filtScratchIn;
double* m_filtScratchOut;
FiltFiltConfig m_FilterConfigParams;
FiltFilt* m_FiltFilt;
bool m_isMedianPositive;
};
#endif