annotate DrumTimingLoader_OF/PerformanceAnalyserSrc/TimingAnalyser.h @ 1:106bc2d4f702

added timing analyser file

/*
 *  TimingAnalyser.h
 *  performanceTimingAnalyser
 *
 *  Created by Andrew on 17/12/2011.
 *  Copyright 2011 QMUL. All rights reserved.
 *
 */
#ifndef TIMING_ANALYSER
#define TIMING_ANALYSER	

#include "ofMain.h"

#include <vector>
#include <cstdlib>
using namespace std;

//big matrix stores cost


struct Route {
	int tempoIndex, phaseIndex;
	double addedCost, totalCost;
	int previousTempoIndex;
	int previousPhaseIndex;
	int phaseHop, tempoHop;
	double previousCost;
	double preHopCost;
	double phaseHopCost, tempoHopCost;
	
	//	int currentTempoIndex, currentPhaseIndex;
	//	int globalPhaseOffset;
	//	int tempoMinimumOffset;
};

typedef std::vector<Route> RouteVector;
typedef std::vector<RouteVector> RouteMatrix;
typedef std::vector<RouteMatrix> RouteHistory;

typedef std::vector<double> DoubleVector;
typedef std::vector<DoubleVector> DoubleMatrix;

struct  Path{
	RouteMatrix currentRoute;
	int bestTempo, bestPhase;
//	int globalPhaseOffset;
	int tempoOffset, phaseOffset;
	int phaseShiftApplied;
	int tempoShiftApplied;
	int eventTimeObserved;
	DoubleMatrix costMatrix;
};
typedef std::vector<Path> PathVector;

class TimingAnalyser{
	public:
	TimingAnalyser();
	//size of matrix and mean tempo determined here
	static const int tempoRange = 47;
	static const int phaseRange = 57;
	int meanGlobalTempo ;
	
	std::string timingDataFilepath;
	std::string processedBeatTimesFilepath;
	
	void setTempoLimits(const int& newGlobalTempo);
	
	DoubleMatrix previousLogMatrix;
	
	typedef std::vector<int> IntVector;
	typedef std::vector<IntVector> IntMatrix;
	IntMatrix timingData;
	IntVector basicInterOnsetInterval;
	
	
	void printCostMatrix(const RouteMatrix& m);
	//NEW COST METHODS:
	void updateCostToPoint(const int& eventTime, const int& eventBeatLocation);
	double getBestMinimumCost(const int& newTempoInUnits, const int& newPhaseInUnits, Route& r);
	
	double getPhaseIndexFromEventTime(const double& eventTime);
	double getTempoInUnits(const double& tempoInMs);
	
	
	
	PathVector pathHistory;
	void setBestTempoAndPhase(Path& newPath);
	void  printPathHistory();
	void printIOIdata();
	void processPathHistory();
	
//	RouteMatrix routes;
//	RouteHistory history;
	
	int playingIndex;
	
//	void printHistory();
	//void printBestPath();
	
	int phaseMinimumOffset;
	int globalTimeOffset;
	int tempoMinimumOffset;
	double maximumTempo, minimumTempo;
	double screenHeight, screenWidth ;
	
	void drawTempoCurve();
	int getHeightPoint(float f);
	
	int numberOfPointsPerPage;
	bool printHistory;
	
	double tempoCost, phaseCost;
	
	DoubleMatrix logProbabilityMatrix;
	double lastBeatPosition;
	
	int	minimumPhaseHop, maximumPhaseHop ;
	
//	double getCost(const int& eventTime, const int& interval, const int& tempoIndex, const int& phaseIndex);
	void updateCost(const int& eventTime, const int& eventBeatLocation);
	void updateMatrixOffsets(const int& eventTime);
	
	void checkShiftMatrix();
	void shiftMatrixToMatchBestPhase(const int& bestPhaseIndex);
	void shiftMatrixToMatchBestTempo(const int& bestTempoIndex);
	int recentPhaseShift, recentTempoShift;
	bool moveMatrixToOptimalCostPosition;
	
	int startPoint;//for drawing


	float movementFactor;
//	static const double tempoMinimumOffset = meanGlobalTempo - (tempoRange-1)/2;
	
	bool checkPhaseRange(const int& phaseToCheck);
	bool checkTempoRange(const int& tempoToCheck);

	double phaseHopCost(const int& phaseHop);
	double tempoHopCost(const int& tempoHop);
	
	double tempoScalar, phaseScalar;
	int meanTempo;
	int meanTempoIndex, meanPhaseIndex;
	
	int currentBestTempo, currentBestPhase;
	
	double getPhase(const int& phaseIndex);
	double getTempo(const int& tempoIndex);
	double getTempo(const int& tempoIndex, const int& tempoOffset);
	double getPhase(const int& phaseIndex, const int& phaseOffset);
	
	int getTempoIndex(const double& tempo);
	int getPhaseIndex(const double& location);
	
	double getBestPreviousCost(const int& tempoIndex, const int& phaseIndex, Route& r);
	//double getlocation(const int& tempoIndex, const int& phaseIndex);
	void getLocation(const int& tempoIndex, const int& phaseIndex, const int& interval);
	void drawCostMatrix();
	double getMaximum();
	
	double getMinimumTransitionCost(const int& interval, const int& tempoIndex, const int& phaseIndex);
	//int getBeatLocation(const int& phaseIndex);
	//int getProjectedBeatLocation(const int& tempoIndex, const int& phaseIndex, const int& interval);
	
	void initialiseRoutes();
	void printLogMatrix();
	void printMatrix(DoubleMatrix& logMatrix);
	
	void exportTimingData();
	void importTimingData(std::string importFileName);
	void exportProcessedBeatTimes(const double& firstBeatTime);
	
	bool drawIOIintervals;
	
	void calculateTempoLimits();
	void clearData();
	
	int getIndexAtMouseXposition(const int& Xpos);
	
	int	minDrawTempo, maxDrawTempo;
	bool drawBPM;
	double msToBpm(const double& ms);

	void moveDrawWindowUp();
	void moveDrawWindowDown();
	void widenDrawWindow();
	void narrowDrawWindow();
	
	bool blackAndWhite;
	DoubleVector beatPosition;
	
	IntMatrix timingHistogram;
	void clearHistogram();
	void getHistogramResults();
	
	bool drawExpressiveTimingData;
	bool mozartTriplets;
	
	int tempoVariationStartIndex;
	int tempoVariationEndIndex;
	double calculateTempoVariation();
	
	ofTrueTypeFont timesFont;//FONT
	
	//vars added since new project on Drum Timing
	double offsetToFirstPoint;//this set at beginning - when we load in beat times that do not start at zero;
	
	void zoomIn();
	void zoomOut();
};

#endif