Mercurial > hg > qm-dsp
annotate dsp/onsets/PeakPicking.h @ 58:d72fcd34d9a7
* Fixes to problems shown up by vamp-plugin-tester.
Still not all plugins pass all tests, though
| author | cannam |
|---|---|
| date | Mon, 23 Mar 2009 16:28:53 +0000 |
| parents | 2e3f5d2d62c1 |
| 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 // PeakPicking.h: interface for the PeakPicking class. |
| cannam@0 | 12 // |
| cannam@0 | 13 ////////////////////////////////////////////////////////////////////// |
| cannam@0 | 14 |
| cannam@0 | 15 #ifndef PEAKPICKING_H |
| cannam@0 | 16 #define PEAKPICKING_H |
| cannam@0 | 17 |
| cannam@16 | 18 #include "maths/MathUtilities.h" |
| cannam@16 | 19 #include "maths/MathAliases.h" |
| cannam@0 | 20 #include "dsp/signalconditioning/DFProcess.h" |
| cannam@0 | 21 |
| cannam@0 | 22 |
| cannam@12 | 23 struct PPWinThresh |
| cannam@0 | 24 { |
| cannam@0 | 25 unsigned int pre; |
| cannam@0 | 26 unsigned int post; |
| cannam@0 | 27 }; |
| cannam@0 | 28 |
| cannam@0 | 29 struct QFitThresh |
| cannam@0 | 30 { |
| cannam@0 | 31 double a; |
| cannam@0 | 32 double b; |
| cannam@0 | 33 double c; |
| cannam@0 | 34 }; |
| cannam@0 | 35 |
| cannam@0 | 36 struct PPickParams |
| cannam@0 | 37 { |
| cannam@0 | 38 unsigned int length; //Detection FunctionLength |
| cannam@0 | 39 double tau; // time resolution of the detection function: |
| cannam@0 | 40 unsigned int alpha; //alpha-norm parameter |
| cannam@0 | 41 double cutoff;//low-pass Filter cutoff freq |
| cannam@0 | 42 unsigned int LPOrd; // low-pass Filter order |
| cannam@0 | 43 double* LPACoeffs; //low pass Filter den coefficients |
| cannam@0 | 44 double* LPBCoeffs; //low pass Filter num coefficients |
| cannam@12 | 45 PPWinThresh WinT;//window size in frames for adaptive thresholding [pre post]: |
| cannam@0 | 46 QFitThresh QuadThresh; |
| cannam@0 | 47 }; |
| cannam@0 | 48 |
| cannam@0 | 49 class PeakPicking |
| cannam@0 | 50 { |
| cannam@0 | 51 public: |
| cannam@0 | 52 PeakPicking( PPickParams Config ); |
| cannam@0 | 53 virtual ~PeakPicking(); |
| cannam@0 | 54 |
| cannam@0 | 55 void process( double* src, unsigned int len, vector<int> &onsets ); |
| cannam@0 | 56 |
| cannam@0 | 57 |
| cannam@0 | 58 private: |
| cannam@0 | 59 void initialise( PPickParams Config ); |
| cannam@0 | 60 void deInitialise(); |
| cannam@0 | 61 int quadEval( vector<double> &src, vector<int> &idx ); |
| cannam@0 | 62 |
| cannam@0 | 63 DFProcConfig m_DFProcessingParams; |
| cannam@0 | 64 |
| cannam@0 | 65 unsigned int m_DFLength ; |
| cannam@0 | 66 double Qfilta ; |
| cannam@0 | 67 double Qfiltb; |
| cannam@0 | 68 double Qfiltc; |
| cannam@0 | 69 |
| cannam@0 | 70 |
| cannam@0 | 71 double* m_workBuffer; |
| cannam@0 | 72 |
| cannam@0 | 73 DFProcess* m_DFSmoothing; |
| cannam@0 | 74 }; |
| cannam@0 | 75 |
| cannam@0 | 76 #endif |