/* -*- 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 FILTFILT_H #define FILTFILT_H #include "Filter.h" /** * Zero-phase digital filter, implemented by processing the data * through a filter specified by the given FilterConfig structure (see * Filter) and then processing it again in reverse. */ class FiltFilt { public: FiltFilt( FilterConfig Config ); virtual ~FiltFilt(); void reset(); void process( double* src, double* dst, unsigned int length ); private: void initialise( FilterConfig Config ); void deInitialise(); unsigned int m_ord; Filter* m_filter; double* m_filtScratchIn; double* m_filtScratchOut; FilterConfig m_filterConfig; }; #endif