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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
pYIN - A fundamental frequency estimator for monophonic audio
Centre for Digital Music, Queen Mary, University of London.
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.
*/
#ifndef _YIN_H_
#define _YIN_H_
#include "vamp-sdk/FFT.h"
#include "MeanFilter.h"
#include <cmath>
#include <iostream>
#include <vector>
#include <exception>
using std::vector;
using std::pair;
class Yin
{
public:
Yin(size_t frameSize, size_t inputSampleRate, double thresh = 0.2, bool fast = true);
virtual ~Yin();
struct YinOutput {
double f0;
double periodicity;
double rms;
vector<double> salience;
vector<pair<double, double> > freqProb;
YinOutput() : f0(0), periodicity(0), rms(0),
salience(vector<double>(0)), freqProb(vector<pair<double, double> >(0)) { }
YinOutput(double _f, double _p, double _r) :
f0(_f), periodicity(_p), rms(_r),
salience(vector<double>(0)), freqProb(vector<pair<double, double> >(0)) { }
YinOutput(double _f, double _p, double _r, vector<double> _salience) :
f0(_f), periodicity(_p), rms(_r), salience(_salience),
freqProb(vector<pair<double, double> >(0)) { }
};
int setThreshold(double parameter);
int setThresholdDistr(float parameter);
int setFrameSize(size_t frameSize);
int setFast(bool fast);
// int setRemoveUnvoiced(bool frameSize);
YinOutput process(const double *in) const;
YinOutput processProbabilisticYin(const double *in) const;
private:
mutable size_t m_frameSize;
mutable size_t m_inputSampleRate;
mutable double m_thresh;
mutable size_t m_threshDistr;
mutable size_t m_yinBufferSize;
mutable bool m_fast;
// mutable bool m_removeUnvoiced;
};
#endif
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