andrew@0: /*
andrew@0:  *  AudioAnalysis.h
andrew@0:  *  audioFileLoader4
andrew@0:  *
andrew@0:  *  Created by Andrew on 14/08/2011.
andrew@0:  *  Copyright 2011 QMUL. All rights reserved.
andrew@0:  *
andrew@0:  */
andrew@0: 
andrew@0: #ifndef AUDIO_ANALYSIS_H
andrew@0: #define AUDIO_ANALYSIS_H
andrew@0: 
andrew@0: 
andrew@0: //#include "fftw3.h"
andrew@0: #include "ofMain.h"
andrew@0: //#include "chromaGram.h"
andrew@0: //#include "ChordDetect.h"
andrew@0: #include "sndfile.h"
andrew@0: #include "ofxFileDialogOSX.h"
andrew@0: #include "AudioFile.h"
andrew@0: 
andrew@0: #define FRAMESIZE 512
andrew@0: #define ENERGY_LENGTH 80000
andrew@0: #define CHROMA_LENGTH 12000
andrew@0: #define CHROMA_CONVERSION_FACTOR 16 //16 times as many frames in energy as in chroma
andrew@0: 
andrew@0: 
andrew@0: //this does a chromagram analysis and aubio onset analysis
andrew@0: //held in double matrix and doubleVector respectively
andrew@0: //these are dynamic vectors, so size set by what's needed for the file
andrew@0: 
andrew@0: class AudioAnalysis{
andrew@0: 
andrew@0: public:
andrew@0: 	
andrew@0: 	AudioAnalysis();
andrew@0: 	
andrew@0: 	typedef std::vector<double> DoubleVector;
andrew@0: 	typedef std::vector<DoubleVector> DoubleMatrix;
andrew@0: 	
andrew@0: 	DoubleMatrix chromaMatrix;
andrew@0: //	DoubleMatrix* matrixPtr;
andrew@0: 	DoubleVector energyVector;
andrew@0: 	
andrew@0: 	AudioFile* audioHolder;
andrew@0: 	void loadNewAudio(string soundFileName);//??
andrew@0: 	
andrew@0: //	Chromagram chromoGramm;
andrew@0: 	int currentPlayingFrame;
andrew@0: 	
andrew@0: //	ChordDetect chord;
andrew@0: 	
andrew@0: 	double getEnergyOfFrame();
andrew@0: 	int scrollWidth;
andrew@0: 	//int totalFrames;
andrew@0: 	void drawEnergyVectorFromPointer();
andrew@0: 	void drawSpectralDifference();
andrew@0: 	
andrew@0: 	/*
andrew@0: 	 double getEnergyOfFrame();
andrew@0: 	
andrew@0: 	 
andrew@0: 	 void initialiseVariables();
andrew@0: 	 
andrew@0: 	 	 
andrew@0: 	 void initialiseVariables();
andrew@0: 	 
andrew@0: 	 
andrew@0: 		 AudioFile audioHolder;
andrew@0: 	 
andrew@0: 	 void drawDoubleMatrix(DoubleMatrix* dMatrix);//DoubleMatrix* dMatrix); WOULD BE NICE TO USE POINTER BUT NOT WORKING YET
andrew@0: 	
andrew@0: 	 
andrew@0: 	 DoubleVector firstEnergyVector;
andrew@0: 	 
andrew@0: 	 void drawEnergyVectorFromPointer(DoubleVector* energyVec);
andrew@0: 	 
andrew@0: 	 void processAudioToDoubleMatrix(Chromagram* chromaG, DoubleMatrix* myDoubleMatrix, DoubleVector* energyVector);
andrew@0: 	 
andrew@0: 	 void loadNewAudio(string soundFileName);
andrew@0: 	 
andrew@0: 	 
andrew@0: 	 
andrew@0: 	 */
andrew@0: 	
andrew@0: 	
andrew@0: };
andrew@0: #endif
andrew@0: 
andrew@0: 
andrew@0: