cannam@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
cannam@0: 
cannam@0: /*
cannam@0:     QM DSP Library
cannam@0: 
cannam@0:     Centre for Digital Music, Queen Mary, University of London.
cannam@0:     This file copyright 2005-2006 Christian Landone.
cannam@0:     All rights reserved.
cannam@0: */
cannam@0: 
cannam@0: #ifndef FILTFILT_H
cannam@0: #define FILTFILT_H
cannam@0: 
cannam@0: #include "Filter.h"
cannam@0: 
cannam@0: struct FiltFiltConfig{
cannam@0:     unsigned int ord;
cannam@0:     double* ACoeffs;
cannam@0:     double* BCoeffs;
cannam@0: };
cannam@0: 
cannam@0: class FiltFilt  
cannam@0: {
cannam@0: public:
cannam@0:     FiltFilt( FiltFiltConfig Config );
cannam@0:     virtual ~FiltFilt();
cannam@0: 
cannam@0:     void reset();
cannam@0:     void process( double* src, double* dst, unsigned int length );
cannam@0: 
cannam@0: private:
cannam@0:     void initialise( FiltFiltConfig Config );
cannam@0:     void deInitialise();
cannam@0: 
cannam@0:     unsigned int m_ord;
cannam@0: 
cannam@0:     Filter* m_filter;
cannam@0: 
cannam@0:     double* m_filtScratchIn;
cannam@0:     double* m_filtScratchOut;
cannam@0: 
cannam@0:     FilterConfig m_filterConfig;
cannam@0: };
cannam@0: 
cannam@0: #endif