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// Copyright 2004 "Gilles Degottex"
// This file is part of "Music"
// "Music" is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// "Music" is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#ifndef _Algorithm_h_
#define _Algorithm_h_
#include <list>
#include <vector>
#include <deque>
#include <iostream>
using namespace std;
#include "Music.h"
namespace Music
{
class Algorithm : public SettingsListener
{
static list<Algorithm*> s_algos;
protected:
double m_amplitude_treshold;
double m_max_amplitude;
virtual void samplingRateChanged() {cout<<__FILE__<<":"<<long(__LINE__)<<" Algorithm::samplingRateChanged Not Yet Implemented"<<endl;}
virtual void AFreqChanged() {cout<<__FILE__<<":"<<long(__LINE__)<<" Algorithm::AFreqChanged Not Yet Implemented"<<endl;}
virtual void semitoneBoundsChanged() {cout<<__FILE__<<":"<<long(__LINE__)<<" Algorithm::semitoneBoundsChanged Not Yet Implemented"<<endl;}
public:
Algorithm();
inline double getAmplitudeTreshold() {return m_amplitude_treshold;}
inline void setAmplitudeTreshold(double t) {m_amplitude_treshold=t;}
inline double getMaxAmplitude() {return m_max_amplitude;}
virtual int getSampleAlgoLatency() const =0;
virtual double getAlgoLatency() const {return double(getSampleAlgoLatency())/GetSamplingRate();}
virtual void apply(const deque<double>& buff)=0;
virtual bool hasNoteRecognized() const =0;
virtual double getFundamentalWaveLength() const {return GetSamplingRate()/getFundamentalFreq();}
virtual double getFundamentalFreq() const {return GetSamplingRate()/getFundamentalWaveLength();}
virtual double getFundamentalNote() const {return f2hf(getFundamentalFreq());}
virtual int getMinSize() const =0;
virtual ~Algorithm();
};
class Transform : public Algorithm
{
protected:
double m_component_treshold;
vector< complex<double> > m_harmonics;
vector<double> m_components;
double m_components_max;
public:
inline double getComponentTreshold() {return m_component_treshold;}
inline void setComponentTreshold(double t) {m_component_treshold=t;}
Transform();
size_t size() const {return m_components.size();}
const vector< complex<double> >& getHarmonics() {return m_harmonics;}
const vector<double>& getComponents() {return m_components;}
double getComponentsMax() {return m_components_max;}
virtual ~Transform(){}
};
}
#endif // _Algorithms_h_
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