andrew@0: /*
andrew@0:  *  ChordDetect.h
andrew@0:  *  ChordDetect
andrew@0:  *
andrew@0:  *  Created by Adam Stark on 28/04/2008.
andrew@0:  *  Copyright 2008 __MyCompanyName__. All rights reserved.
andrew@0:  *
andrew@0:  */
andrew@0: 
andrew@0: #ifndef CHORDDETECT_H
andrew@0: #define CHORDDETECT_H
andrew@0: 
andrew@0: #include "fftw3.h"
andrew@0: 
andrew@0: class ChordDetect
andrew@0: {
andrew@0: public:		
andrew@0: 	ChordDetect();											// constructor
andrew@0: 	~ChordDetect();											// destructor
andrew@0: 	void C_Detect(float c[],float c_low[]);
andrew@0: 	
andrew@0: 	int root;
andrew@0: 	int quality;
andrew@0: 	int intervals;
andrew@0: 	
andrew@0: private:
andrew@0: 	void makeprofiles();
andrew@0: 	void calculateweightings();
andrew@0: 	void classifychromagram();
andrew@0: 	
andrew@0: 	float calcchordvalue(float c[],float T[],float biasval, float N);
andrew@0: 	float max(float array[],int length);
andrew@0: 	int minindex(float array[],int length);
andrew@0: 
andrew@0: 	float chroma[12];
andrew@0: 	float chroma_low[12];
andrew@0: 	float weight_sus[12];
andrew@0: 	float weight_aug[12];
andrew@0: 	float profiles[108][12];
andrew@0: 	float w_profile[12];
andrew@0: 	
andrew@0: 	float chord[108];
andrew@0: 	
andrew@0: 	float bias;
andrew@0: 		
andrew@0: 
andrew@0: };
andrew@0: 
andrew@0: #endif