andrew@2: /*
andrew@2:  *  SoundFileLoader.h
andrew@2:  *  audioFileLoaderSVN1
andrew@2:  *
andrew@2:  *  Created by Andrew on 04/09/2011.
andrew@2:  *  Copyright 2011 QMUL. All rights reserved.
andrew@2:  *
andrew@2:  */
andrew@2: 
andrew@2: #ifndef SOUND_FILE_LOADER_H
andrew@2: #define SOUND_FILE_LOADER_H
andrew@2: 
andrew@2: 
andrew@2: #include "fftw3.h"
andrew@2: #include "ofMain.h"
andrew@2: #include "sndfile.h"
andrew@2: #include "AudioFile.h"
andrew@2: #include "AudioAnalysis.h"
andrew@2: #include "chromaGram.h"
andrew@2: #include "ChordDetect.h"
andrew@2: 
andrew@2: #define FRAMESIZE 512
andrew@2: #define ENERGY_LENGTH 80000
andrew@2: #define CHROMA_LENGTH 12000
andrew@2: #define CHROMA_CONVERSION_FACTOR 16 //16 times as many frames in energy as in chroma
andrew@2: 
andrew@2: 
andrew@2: //this does a chromagram analysis and aubio onset analysis
andrew@2: //held in double matrix and doubleVector respectively
andrew@2: //these are dynamic vectors, so size set by what's needed for the file
andrew@2: 
andrew@2: class SoundFileLoader{
andrew@2: 	
andrew@2: public:
andrew@2: 	SoundFileLoader();
andrew@2: 	float frame[FRAMESIZE]; 
andrew@2: 	
andrew@2: 	void loadLibSndFile(const char *infilename);
andrew@2: 	
andrew@2: 	AudioFile audioHolder;
andrew@2: 	AudioAnalysis chromaAnalysis;
andrew@2: 	Chromagram chromoGramm;
andrew@2: 	Chromagram* chromaG;
andrew@2: 	
andrew@2: 	typedef std::vector<double> DoubleVector;
andrew@2: 	typedef std::vector<DoubleVector> DoubleMatrix;
andrew@2: 	
andrew@2: 	void processAudioToDoubleMatrix();
andrew@2: 	double getEnergyOfFrame();
andrew@2: 	
andrew@2: 	int totalNumberOfFrames;
andrew@2: 	
andrew@2: 	SNDFILE *infile; // define input and output sound files
andrew@2: 	SF_INFO sfinfo ; // struct to hold info about sound file
andrew@2: 
andrew@2: };
andrew@2: #endif