72 lines
2.1 KiB
C
72 lines
2.1 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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pYIN - A fundamental frequency estimator for monophonic audio
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Centre for Digital Music, Queen Mary, University of London.
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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 _YIN_H_
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#define _YIN_H_
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#include "vamp-sdk/FFT.h"
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#include "MeanFilter.h"
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#include <cmath>
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#include <iostream>
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#include <vector>
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#include <exception>
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using std::vector;
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using std::pair;
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class Yin
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{
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public:
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Yin(size_t frameSize, size_t inputSampleRate, double thresh = 0.2, bool fast = true);
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virtual ~Yin();
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struct YinOutput {
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double f0;
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double periodicity;
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double rms;
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vector<double> salience;
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vector<pair<double, double> > freqProb;
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YinOutput() : f0(0), periodicity(0), rms(0),
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salience(vector<double>(0)), freqProb(vector<pair<double, double> >(0)) { }
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YinOutput(double _f, double _p, double _r) :
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f0(_f), periodicity(_p), rms(_r),
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salience(vector<double>(0)), freqProb(vector<pair<double, double> >(0)) { }
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YinOutput(double _f, double _p, double _r, vector<double> _salience) :
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f0(_f), periodicity(_p), rms(_r), salience(_salience),
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freqProb(vector<pair<double, double> >(0)) { }
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};
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int setThreshold(double parameter);
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int setThresholdDistr(float parameter);
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int setFrameSize(size_t frameSize);
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int setFast(bool fast);
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// int setRemoveUnvoiced(bool frameSize);
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YinOutput process(const double *in) const;
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YinOutput processProbabilisticYin(const double *in) const;
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private:
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mutable size_t m_frameSize;
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mutable size_t m_inputSampleRate;
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mutable double m_thresh;
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mutable size_t m_threshDistr;
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mutable size_t m_yinBufferSize;
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mutable bool m_fast;
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// mutable bool m_removeUnvoiced;
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};
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#endif
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