Mercurial > hg > qm-dsp
annotate dsp/signalconditioning/Filter.h @ 60:ba4076cb1be1
* Add wavelet filters from Thomas Wilmering
| author | cannam |
|---|---|
| date | Thu, 02 Apr 2009 11:17:45 +0000 |
| parents | d7116e3183f8 |
| children | e5907ae6de17 |
| rev | line source |
|---|---|
| cannam@0 | 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ |
| cannam@0 | 2 |
| cannam@0 | 3 /* |
| cannam@0 | 4 QM DSP Library |
| cannam@0 | 5 |
| cannam@0 | 6 Centre for Digital Music, Queen Mary, University of London. |
| cannam@0 | 7 This file copyright 2005-2006 Christian Landone. |
| cannam@0 | 8 All rights reserved. |
| cannam@0 | 9 */ |
| cannam@0 | 10 |
| cannam@0 | 11 #ifndef FILTER_H |
| cannam@0 | 12 #define FILTER_H |
| cannam@0 | 13 |
| cannam@0 | 14 #ifndef NULL |
| cannam@0 | 15 #define NULL 0 |
| cannam@0 | 16 #endif |
| cannam@0 | 17 |
| cannam@0 | 18 struct FilterConfig{ |
| cannam@0 | 19 unsigned int ord; |
| cannam@0 | 20 double* ACoeffs; |
| cannam@0 | 21 double* BCoeffs; |
| cannam@0 | 22 }; |
| cannam@0 | 23 |
| cannam@0 | 24 class Filter |
| cannam@0 | 25 { |
| cannam@0 | 26 public: |
| cannam@0 | 27 Filter( FilterConfig Config ); |
| cannam@0 | 28 virtual ~Filter(); |
| cannam@0 | 29 |
| cannam@0 | 30 void reset(); |
| cannam@0 | 31 |
| cannam@0 | 32 void process( double *src, double *dst, unsigned int length ); |
| cannam@0 | 33 |
| cannam@0 | 34 |
| cannam@0 | 35 private: |
| cannam@0 | 36 void initialise( FilterConfig Config ); |
| cannam@0 | 37 void deInitialise(); |
| cannam@0 | 38 |
| cannam@0 | 39 unsigned int m_ord; |
| cannam@0 | 40 |
| cannam@0 | 41 double* m_inBuffer; |
| cannam@0 | 42 double* m_outBuffer; |
| cannam@0 | 43 |
| cannam@0 | 44 double* m_ACoeffs; |
| cannam@0 | 45 double* m_BCoeffs; |
| cannam@0 | 46 }; |
| cannam@0 | 47 |
| cannam@0 | 48 #endif |