andrew@0: /*
andrew@0:  *  PreciseOnsetLocator.h
andrew@0:  *  peakOnsetDetector
andrew@0:  *
andrew@2:  *  Created by Andrew Robertson on 21/09/2012.
andrew@0:  *  Copyright 2012 QMUL. All rights reserved.
andrew@0:  *
andrew@0:  */
andrew@0: 
andrew@0: 
andrew@0: #ifndef PRECISE_ONSET_LOCATOR
andrew@0: #define PRECISE_ONSET_LOCATOR
andrew@0: 
andrew@0: #include <vector.h>
andrew@0: 
andrew@0: class PreciseOnsetLocator{
andrew@0: 	public:
andrew@0: 	
andrew@0: 	PreciseOnsetLocator();
andrew@0: 	~PreciseOnsetLocator();
andrew@0: 	
andrew@0: 	int bufferSize;
andrew@0: 	
andrew@0: 	vector <double> onsetSamples;//holds the audio samples when onset is found
andrew@0: 	vector <double> recentBufferSamples;
andrew@0: 	
andrew@0: 	double getLastEnergySum(const int& startIndex, const int& vectorSize);
Venetian@8: 	
Venetian@8: 	int findExactOnset();
Venetian@8: 	int findExactOnset(float* frame);
andrew@0: 	int findExactOnset(double* frame);
andrew@0: 
andrew@0: 	int exactOnsetIndex;
andrew@0: 	
andrew@0: 	void setup(const int& size);
andrew@0: 	void storeSamples(double* newSamples);
andrew@0: 		
andrew@0: };
andrew@0: #endif