49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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/*
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QM DSP Library
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Centre for Digital Music, Queen Mary, University of London.
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This file copyright 2006 Martin Gasser.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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*/
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#ifndef _CHANGEDETECTIONFUNCTION_
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#define _CHANGEDETECTIONFUNCTION_
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//#define DEBUG_CHANGE_DETECTION_FUNCTION 1
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#include "TCSgram.h"
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#include <valarray>
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using std::valarray;
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typedef valarray<double> ChangeDistance;
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struct ChangeDFConfig
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{
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int smoothingWidth;
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};
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class ChangeDetectionFunction
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{
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public:
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ChangeDetectionFunction(ChangeDFConfig);
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~ChangeDetectionFunction();
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ChangeDistance process(const TCSGram& rTCSGram);
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private:
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void setFilterWidth(const int iWidth);
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private:
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valarray<double> m_vaGaussian;
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double m_dFilterSigma;
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int m_iFilterWidth;
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};
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#endif // _CHANGDETECTIONFUNCTION_
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