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1 /*
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2 * AudioAnalysis.h
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3 * audioFileLoader4
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4 *
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5 * Created by Andrew on 14/08/2011.
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6 * Copyright 2011 QMUL. All rights reserved.
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7 *
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8 */
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9
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10 #ifndef AUDIO_ANALYSIS_H
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11 #define AUDIO_ANALYSIS_H
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12
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13
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14 //#include "fftw3.h"
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15 #include "ofMain.h"
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16 //#include "chromaGram.h"
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17 //#include "ChordDetect.h"
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18 #include "sndfile.h"
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19 #include "ofxFileDialogOSX.h"
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20 #include "AudioFile.h"
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21
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22 #define FRAMESIZE 512
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23 #define ENERGY_LENGTH 80000
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24 #define CHROMA_LENGTH 12000
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25 #define CHROMA_CONVERSION_FACTOR 16 //16 times as many frames in energy as in chroma
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26
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27
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28 //this does a chromagram analysis and aubio onset analysis
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29 //held in double matrix and doubleVector respectively
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30 //these are dynamic vectors, so size set by what's needed for the file
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31
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32 class AudioAnalysis{
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33
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34 public:
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35
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36 AudioAnalysis();
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37
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38 typedef std::vector<double> DoubleVector;
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39 typedef std::vector<DoubleVector> DoubleMatrix;
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40
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41 DoubleMatrix chromaMatrix;
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42 // DoubleMatrix* matrixPtr;
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43 DoubleVector energyVector;
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44
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45 AudioFile* audioHolder;
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46 void loadNewAudio(string soundFileName);//??
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47
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48 // Chromagram chromoGramm;
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49 int currentPlayingFrame;
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50
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51 // ChordDetect chord;
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52
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53 double getEnergyOfFrame();
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54 int scrollWidth;
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55 //int totalFrames;
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56 void drawEnergyVectorFromPointer();
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57 void drawSpectralDifference();
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58
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59 /*
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60 double getEnergyOfFrame();
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61
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62
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63 void initialiseVariables();
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64
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65
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66 void initialiseVariables();
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67
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68
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69 AudioFile audioHolder;
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70
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71 void drawDoubleMatrix(DoubleMatrix* dMatrix);//DoubleMatrix* dMatrix); WOULD BE NICE TO USE POINTER BUT NOT WORKING YET
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72
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73
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74 DoubleVector firstEnergyVector;
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75
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76 void drawEnergyVectorFromPointer(DoubleVector* energyVec);
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77
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78 void processAudioToDoubleMatrix(Chromagram* chromaG, DoubleMatrix* myDoubleMatrix, DoubleVector* energyVector);
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79
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80 void loadNewAudio(string soundFileName);
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81
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82
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83
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84 */
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85
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86
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87 };
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88 #endif
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89
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90
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91
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