annotate dsp/signalconditioning/FiltFilt.h @ 84:e5907ae6de17

* Add GPL and README; some tidying
author Chris Cannam
date Mon, 13 Dec 2010 14:55:28 +0000
parents d7116e3183f8
children 715f779d0b4f
rev   line source
cannam@0 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
cannam@0 2
cannam@0 3 /*
cannam@0 4 QM DSP Library
cannam@0 5
cannam@0 6 Centre for Digital Music, Queen Mary, University of London.
Chris@84 7 This file 2005-2006 Christian Landone.
Chris@84 8
Chris@84 9 This program is free software; you can redistribute it and/or
Chris@84 10 modify it under the terms of the GNU General Public License as
Chris@84 11 published by the Free Software Foundation; either version 2 of the
Chris@84 12 License, or (at your option) any later version. See the file
Chris@84 13 COPYING included with this distribution for more information.
cannam@0 14 */
cannam@0 15
cannam@0 16 #ifndef FILTFILT_H
cannam@0 17 #define FILTFILT_H
cannam@0 18
cannam@0 19 #include "Filter.h"
cannam@0 20
cannam@0 21 struct FiltFiltConfig{
cannam@0 22 unsigned int ord;
cannam@0 23 double* ACoeffs;
cannam@0 24 double* BCoeffs;
cannam@0 25 };
cannam@0 26
cannam@0 27 class FiltFilt
cannam@0 28 {
cannam@0 29 public:
cannam@0 30 FiltFilt( FiltFiltConfig Config );
cannam@0 31 virtual ~FiltFilt();
cannam@0 32
cannam@0 33 void reset();
cannam@0 34 void process( double* src, double* dst, unsigned int length );
cannam@0 35
cannam@0 36 private:
cannam@0 37 void initialise( FiltFiltConfig Config );
cannam@0 38 void deInitialise();
cannam@0 39
cannam@0 40 unsigned int m_ord;
cannam@0 41
cannam@0 42 Filter* m_filter;
cannam@0 43
cannam@0 44 double* m_filtScratchIn;
cannam@0 45 double* m_filtScratchOut;
cannam@0 46
cannam@0 47 FilterConfig m_filterConfig;
cannam@0 48 };
cannam@0 49
cannam@0 50 #endif