Mercurial > hg > qm-dsp
annotate dsp/signalconditioning/DFProcess.h @ 12:da277e8b5244
* Some fixes to peak picker
* Add broadband energy rise detection function (same as the percussive
onset detector in the Vamp example plugins)
| author | cannam |
|---|---|
| date | Fri, 18 May 2007 16:43:17 +0000 |
| parents | d7116e3183f8 |
| children | 769da847732b |
| 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 CDFPROCESS_H |
| cannam@0 | 12 #define CDFPROCESS_H |
| cannam@0 | 13 |
| cannam@0 | 14 #include <stdio.h> |
| cannam@0 | 15 #include "FiltFilt.h" |
| cannam@0 | 16 |
| cannam@0 | 17 struct DFProcConfig{ |
| cannam@0 | 18 unsigned int length; |
| cannam@0 | 19 unsigned int LPOrd; |
| cannam@0 | 20 double *LPACoeffs; |
| cannam@0 | 21 double *LPBCoeffs; |
| cannam@0 | 22 unsigned int winPre; |
| cannam@0 | 23 unsigned int winPost; |
| cannam@0 | 24 double AlphaNormParam; |
| cannam@12 | 25 bool isMedianPositive; |
| cannam@12 | 26 }; |
| cannam@0 | 27 |
| cannam@0 | 28 class DFProcess |
| cannam@0 | 29 { |
| cannam@0 | 30 public: |
| cannam@0 | 31 DFProcess( DFProcConfig Config ); |
| cannam@0 | 32 virtual ~DFProcess(); |
| cannam@0 | 33 |
| cannam@0 | 34 void process( double* src, double* dst ); |
| cannam@0 | 35 |
| cannam@0 | 36 |
| cannam@0 | 37 private: |
| cannam@0 | 38 void initialise( DFProcConfig Config ); |
| cannam@0 | 39 void deInitialise(); |
| cannam@0 | 40 void removeDCNormalize( double *src, double*dst ); |
| cannam@0 | 41 void medianFilter( double* src, double* dst ); |
| cannam@0 | 42 |
| cannam@0 | 43 unsigned int m_length; |
| cannam@0 | 44 unsigned int m_FFOrd; |
| cannam@0 | 45 |
| cannam@0 | 46 unsigned int m_winPre; |
| cannam@0 | 47 unsigned int m_winPost; |
| cannam@0 | 48 |
| cannam@0 | 49 double m_alphaNormParam; |
| cannam@0 | 50 |
| cannam@0 | 51 double* filtSrc; |
| cannam@0 | 52 double* filtDst; |
| cannam@0 | 53 |
| cannam@0 | 54 double* m_filtScratchIn; |
| cannam@0 | 55 double* m_filtScratchOut; |
| cannam@0 | 56 |
| cannam@0 | 57 FiltFiltConfig m_FilterConfigParams; |
| cannam@0 | 58 |
| cannam@0 | 59 FiltFilt* m_FiltFilt; |
| cannam@0 | 60 |
| cannam@0 | 61 bool m_isMedianPositive; |
| cannam@0 | 62 }; |
| cannam@0 | 63 |
| cannam@0 | 64 #endif |