Mercurial > hg > qm-dsp
diff dsp/signalconditioning/Filter.h @ 225:49844bc8a895
* Queen Mary C++ DSP library
author | Chris Cannam <c.cannam@qmul.ac.uk> |
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date | Wed, 05 Apr 2006 17:35:59 +0000 |
parents | |
children | e5907ae6de17 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dsp/signalconditioning/Filter.h Wed Apr 05 17:35:59 2006 +0000 @@ -0,0 +1,48 @@ +/* -*- 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 copyright 2005-2006 Christian Landone. + All rights reserved. +*/ + +#ifndef FILTER_H +#define FILTER_H + +#ifndef NULL +#define NULL 0 +#endif + +struct FilterConfig{ + unsigned int ord; + double* ACoeffs; + double* BCoeffs; +}; + +class Filter +{ +public: + Filter( FilterConfig Config ); + virtual ~Filter(); + + void reset(); + + void process( double *src, double *dst, unsigned int length ); + + +private: + void initialise( FilterConfig Config ); + void deInitialise(); + + unsigned int m_ord; + + double* m_inBuffer; + double* m_outBuffer; + + double* m_ACoeffs; + double* m_BCoeffs; +}; + +#endif