qm-dsp  1.8
FiltFilt.h
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00001 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
00002 
00003 /*
00004     QM DSP Library
00005 
00006     Centre for Digital Music, Queen Mary, University of London.
00007     This file 2005-2006 Christian Landone.
00008 
00009     This program is free software; you can redistribute it and/or
00010     modify it under the terms of the GNU General Public License as
00011     published by the Free Software Foundation; either version 2 of the
00012     License, or (at your option) any later version.  See the file
00013     COPYING included with this distribution for more information.
00014 */
00015 
00016 #ifndef FILTFILT_H
00017 #define FILTFILT_H
00018 
00019 #include "Filter.h"
00020 
00026 class FiltFilt  
00027 {
00028 public:
00029     FiltFilt( FilterConfig Config );
00030     virtual ~FiltFilt();
00031 
00032     void reset();
00033     void process( double* src, double* dst, unsigned int length );
00034 
00035 private:
00036     void initialise( FilterConfig Config );
00037     void deInitialise();
00038 
00039     unsigned int m_ord;
00040 
00041     Filter* m_filter;
00042 
00043     double* m_filtScratchIn;
00044     double* m_filtScratchOut;
00045 
00046     FilterConfig m_filterConfig;
00047 };
00048 
00049 #endif