ardour/libs/qm-dsp/dsp/signalconditioning/Filter.h

54 lines
1.1 KiB
C++

/* -*- 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 FILTER_H
#define FILTER_H
#ifndef NULL
#define NULL 0
#endif
struct FilterConfig{
unsigned int ord;
double* ACoeffs;
double* BCoeffs;
};
class Filter
{
public:
Filter( FilterConfig Config );
virtual ~Filter();
void reset();
void process( double *src, double *dst, unsigned int length );
private:
void initialise( FilterConfig Config );
void deInitialise();
unsigned int m_ord;
double* m_inBuffer;
double* m_outBuffer;
double* m_ACoeffs;
double* m_BCoeffs;
};
#endif