c@225: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
c@225: 
c@225: /*
c@225:     QM DSP Library
c@225: 
c@225:     Centre for Digital Music, Queen Mary, University of London.
c@225:     This file copyright 2005-2006 Christian Landone.
c@225:     All rights reserved.
c@225: */
c@225: 
c@225: #ifndef FILTER_H
c@225: #define FILTER_H
c@225: 
c@225: #ifndef NULL
c@225: #define NULL 0
c@225: #endif
c@225: 
c@225: struct FilterConfig{
c@225:     unsigned int ord;
c@225:     double* ACoeffs;
c@225:     double* BCoeffs;
c@225: };
c@225: 
c@225: class Filter  
c@225: {
c@225: public:
c@225:     Filter( FilterConfig Config );
c@225:     virtual ~Filter();
c@225: 
c@225:     void reset();
c@225: 
c@225:     void process( double *src, double *dst, unsigned int length );
c@225: 	
c@225: 
c@225: private:
c@225:     void initialise( FilterConfig Config );
c@225:     void deInitialise();
c@225: 
c@225:     unsigned int m_ord;
c@225: 
c@225:     double* m_inBuffer;
c@225:     double* m_outBuffer;
c@225: 
c@225:     double* m_ACoeffs;
c@225:     double* m_BCoeffs;
c@225: };
c@225: 
c@225: #endif