Mercurial > hg > qm-dsp
annotate 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 |
rev | line source |
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c@225 | 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ |
c@225 | 2 |
c@225 | 3 /* |
c@225 | 4 QM DSP Library |
c@225 | 5 |
c@225 | 6 Centre for Digital Music, Queen Mary, University of London. |
c@225 | 7 This file copyright 2005-2006 Christian Landone. |
c@225 | 8 All rights reserved. |
c@225 | 9 */ |
c@225 | 10 |
c@225 | 11 #ifndef FILTER_H |
c@225 | 12 #define FILTER_H |
c@225 | 13 |
c@225 | 14 #ifndef NULL |
c@225 | 15 #define NULL 0 |
c@225 | 16 #endif |
c@225 | 17 |
c@225 | 18 struct FilterConfig{ |
c@225 | 19 unsigned int ord; |
c@225 | 20 double* ACoeffs; |
c@225 | 21 double* BCoeffs; |
c@225 | 22 }; |
c@225 | 23 |
c@225 | 24 class Filter |
c@225 | 25 { |
c@225 | 26 public: |
c@225 | 27 Filter( FilterConfig Config ); |
c@225 | 28 virtual ~Filter(); |
c@225 | 29 |
c@225 | 30 void reset(); |
c@225 | 31 |
c@225 | 32 void process( double *src, double *dst, unsigned int length ); |
c@225 | 33 |
c@225 | 34 |
c@225 | 35 private: |
c@225 | 36 void initialise( FilterConfig Config ); |
c@225 | 37 void deInitialise(); |
c@225 | 38 |
c@225 | 39 unsigned int m_ord; |
c@225 | 40 |
c@225 | 41 double* m_inBuffer; |
c@225 | 42 double* m_outBuffer; |
c@225 | 43 |
c@225 | 44 double* m_ACoeffs; |
c@225 | 45 double* m_BCoeffs; |
c@225 | 46 }; |
c@225 | 47 |
c@225 | 48 #endif |