qm-dsp
1.8
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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 FILTER_H 00017 #define FILTER_H 00018 00019 #ifndef NULL 00020 #define NULL 0 00021 #endif 00022 00029 struct FilterConfig{ 00030 unsigned int ord; 00031 double* ACoeffs; 00032 double* BCoeffs; 00033 }; 00034 00038 class Filter 00039 { 00040 public: 00041 Filter( FilterConfig Config ); 00042 virtual ~Filter(); 00043 00044 void reset(); 00045 00046 void process( double *src, double *dst, unsigned int length ); 00047 00048 private: 00049 void initialise( FilterConfig Config ); 00050 void deInitialise(); 00051 00052 unsigned int m_ord; 00053 00054 double* m_inBuffer; 00055 double* m_outBuffer; 00056 00057 double* m_ACoeffs; 00058 double* m_BCoeffs; 00059 }; 00060 00061 #endif