annotate src/timeWarp.h @ 1:6842ff391568

getting rid of pointer use in processAudio - not many changes

/*
 *  timeWarp.h
 *  chromaReader13
 *
 *  Created by Andrew on 16/05/2011.
 *  Copyright 2011 QMUL. All rights reserved.
 *
 */

#ifndef _TIME_WARP
#define _TIME_WARP


#include "ofMain.h"
#include "chromaGram.h"
#include "ChordDetect.h"
#include "sndfile.h"
#include "ofxFileDialogOSX.h"


#define FRAMESIZE 512
#define ENERGY_LENGTH 80000
#define CHROMA_LENGTH 12000
#define CHROMA_CONVERSION_FACTOR 16 //16 times as many frames in energy as in chroma
//length in terms of frames (at 512 samples per frame - there are 90 per second) => 900: 10 seconds

class timeWarp : public ofBaseApp{
	
public:
	
	/*
	void setup();
	void update();
	void draw();
	
	void keyPressed  (int key);
	void keyReleased(int key);
	void mouseMoved(int x, int y );
	void mouseDragged(int x, int y, int button);
	void mousePressed(int x, int y, int button);
	void mouseReleased(int x, int y, int button);
	void windowResized(int w, int h);
	
	void audioRequested 	(float * input, int bufferSize, int nChannels);
	void loadSndfile();
	 */
	 
	double getEnergyOfFrame();
	void putEnergyInFrame();

//	void drawChromoGram();
//	void loadFirstAudioFile();
	void initialiseVariables();

	//variables
	typedef std::vector<double> DoubleVector;
	typedef std::vector<DoubleVector> DoubleMatrix;
	
	DoubleMatrix chromaMatrix;
	DoubleMatrix secondMatrix;
	DoubleMatrix* matrixPtr;
	
//	void drawDoubleMatrix(DoubleMatrix* dMatrix);//DoubleMatrix* dMatrix); WOULD BE NICE TO USE POINTER BUT NOT WORKING YET
//	void drawSpectralDifference(DoubleMatrix* dMatrix);
	
	DoubleVector firstEnergyVector;
	DoubleVector secondEnergyVector;	
		
	DoubleMatrix similarityMatrix;

	void calculateSimilarityMatrix();
	
//	bool drawSimilarity;
//	void drawSimilarityMatrix();
//	void printSimilarityMatrix(int sizeToPrint);
	
	Chromagram chromoGramm;
	Chromagram secondChromoGramm;
	
	
	DoubleMatrix alignmentMeasureMatrix;//just the choma alignment	
	DoubleVector minimumAlignmentPath;
	
	//new addition
	DoubleMatrix superAlignmentMeasureMatrix;	//for the onset + chromagram alignment
	DoubleVector superMinimumAlignmentPath;	
	
//	void drawAlignmentPath(int startingChromaXFrame, int startingChromaYFrame);
	int findStartWidthFrame();	  
	
//	void printScoreForRow(int row, int max);
	
//	int numberOfScrollWidthsForFirstFile;
//	int numberOfScrollWidthsForSecondFile;	
//	void checkIfAudioPositionExceedsWidthForFirstFile();
	
	typedef std::vector<int> IntVector;
	typedef std::vector<IntVector> IntMatrix;
	
//	void updateAlignmentPathIndex(int idenifier);
	
	IntMatrix backwardsAlignmentPath;
	int backwardsAlignmentIndex;
	
	bool findPreviousMinimumInBackwardsPath();
	bool testForNewAlignmentMinimum(double *previousMinimum, int i, int j);	
	
	void calculateAlignmentMatrix();
	double getDistance(int i, int j);
//	void printAlignmentMatrix();
	double getMinimum(int i, int j, float newValue);
	bool extendAlignmentUp();
	bool extendAlignmentAlong();
	void calculateMinimumAlignmentPath();
	int findMinimumOfVector(DoubleVector *d);
//	void swapBetweenPlayingFilesUsingAlignmentMatch();
//	int findMatchFromAlignment(bool whichFileToTest);
	
//	void drawEnergyVectorFromPointer(DoubleVector* energyVec);
	
//	void processAudioToDoubleMatrix(Chromagram* chromaG, DoubleMatrix* myDoubleMatrix, DoubleVector* energyVector);
	
	
	
	
	
	
	
//	void loadNewAudio(string soundFileName);
//	void loadSecondAudio(string soundFileName);
	
//	void loadSoundFiles();
//	void openFileDialogBox();
//	void loadLibSndFile(const char * filename);
//	bool getFilenameFromDialogBox(string* fileNameToSave);
//	void openNewAudioFileWithdialogBox();		
	
	//int* firstAudioLength, secondAudioLength;
	
//	string soundFileName, secondFileName;
	
//	float screenHeight, screenWidth;

	
//	bool moveOn;
//	bool drawSpectralDifferenceFunction;

	float frame[FRAMESIZE]; 
	
	float diagonalPenalty;
	
//	int frameIndex;
	
//	float chromoGramVector[CHROMA_LENGTH][12];
//	int rootChord[CHROMA_LENGTH];
	
//	int energyIndex;
//	int totalFrames;
	
//	int scrollWidth;// 1600
//	float chromoLength;
	
//	bool audioPlaying, audioPaused;
//	bool drawSecondMatrix;
	
/*

	
	//------------------- for the simple sine wave synthesis
	float 	targetFrequency;
	float 	phase;
	float 	phaseAdder;
	float 	phaseAdderTarget;
	
	string sndfileInfoString, textString;
	int xIndex;
	
	bool firstAudioFilePlaying;
	ofSoundPlayer  loadedAudio;
	ofSoundPlayer secondAudio;
	ofSoundPlayer *playingAudio;
	
 */
//	float audioPosition;
//	float width, height;
//	int chromaIndex;	
//	int totalNumberOfFrames;
//	int currentPlayingFrame;
//	int currentChromaFrame ;
	
//	string chordString;
	
	//Chromagram* chromoGrammPtr;
	
	
	
	
//	string userInfoString;
//	ChordDetect chord;
	//sndfile part
//	SNDFILE *infile; // define input and output sound files
//	SF_INFO sfinfo ; // struct to hold info about sound file
	
	
};

#endif