1 files changed, 81 insertions, 0 deletions
diff --git a/libs/qm-dsp/dsp/onsets/PeakPicking.h b/libs/qm-dsp/dsp/onsets/PeakPicking.h
new file mode 100644
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+++ b/libs/qm-dsp/dsp/onsets/PeakPicking.h
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+/* -*- 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 2005-2006 Christian Landone.
+
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+// PeakPicking.h: interface for the PeakPicking class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#ifndef PEAKPICKING_H
+#define PEAKPICKING_H
+
+#include "maths/MathUtilities.h"
+#include "maths/MathAliases.h"
+#include "dsp/signalconditioning/DFProcess.h"
+
+
+struct PPWinThresh
+{
+    unsigned int pre;
+    unsigned int  post;
+};
+
+struct QFitThresh
+{
+    double a;
+    double b;
+    double c;
+};
+
+struct PPickParams
+{
+    unsigned int length; //Detection FunctionLength
+    double tau; // time resolution of the detection function:
+    unsigned int alpha; //alpha-norm parameter
+    double cutoff;//low-pass Filter cutoff freq
+    unsigned int LPOrd; // low-pass Filter order
+    double* LPACoeffs; //low pass Filter den coefficients
+    double* LPBCoeffs; //low pass Filter num coefficients
+    PPWinThresh WinT;//window size in frames for adaptive thresholding [pre post]:
+    QFitThresh QuadThresh;
+};
+
+class PeakPicking  
+{
+public:
+    PeakPicking( PPickParams Config );
+    virtual ~PeakPicking();
+	
+    void process( double* src, unsigned int len, vector<int> &onsets  );
+
+
+private:
+    void initialise( PPickParams Config  );
+    void deInitialise();
+    int  quadEval( vector<double> &src, vector<int> &idx );
+	
+    DFProcConfig m_DFProcessingParams;
+
+    unsigned int m_DFLength ;
+    double Qfilta ;
+    double Qfiltb;
+    double Qfiltc;
+
+
+    double* m_workBuffer;
+	
+    DFProcess*	m_DFSmoothing;
+};
+
+#endif