annotate dsp/signalconditioning/FiltFilt.h @ 17:a120ac7b26b2

* Build PCA and HMM
author cannam
date Wed, 09 Jan 2008 10:37:06 +0000
parents d7116e3183f8
children e5907ae6de17
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.
cannam@0 7 This file copyright 2005-2006 Christian Landone.
cannam@0 8 All rights reserved.
cannam@0 9 */
cannam@0 10
cannam@0 11 #ifndef FILTFILT_H
cannam@0 12 #define FILTFILT_H
cannam@0 13
cannam@0 14 #include "Filter.h"
cannam@0 15
cannam@0 16 struct FiltFiltConfig{
cannam@0 17 unsigned int ord;
cannam@0 18 double* ACoeffs;
cannam@0 19 double* BCoeffs;
cannam@0 20 };
cannam@0 21
cannam@0 22 class FiltFilt
cannam@0 23 {
cannam@0 24 public:
cannam@0 25 FiltFilt( FiltFiltConfig Config );
cannam@0 26 virtual ~FiltFilt();
cannam@0 27
cannam@0 28 void reset();
cannam@0 29 void process( double* src, double* dst, unsigned int length );
cannam@0 30
cannam@0 31 private:
cannam@0 32 void initialise( FiltFiltConfig Config );
cannam@0 33 void deInitialise();
cannam@0 34
cannam@0 35 unsigned int m_ord;
cannam@0 36
cannam@0 37 Filter* m_filter;
cannam@0 38
cannam@0 39 double* m_filtScratchIn;
cannam@0 40 double* m_filtScratchOut;
cannam@0 41
cannam@0 42 FilterConfig m_filterConfig;
cannam@0 43 };
cannam@0 44
cannam@0 45 #endif