/*
*
      
_______
                       
_____
   
_____ _____
  

*
     
|__
   
__|
                     
|
  
__ \ / ____|__ \
 

*
        
| | __ _ _ __ ___
  
______| || | (___ | |__) |
*
        
| |/ _` | '__/ __|/ _ \/ __| |
  
| |\___ \|___/
 

*
        
| | (_| | |
  
\__ \ (_) \__ \ |__| |____) | |
     

*
        
|_|\__,_|_|
  
|___/\___/|___/_____/|_____/|_|
     

*
                                                         

* -------------------------------------------------------------
*
* TarsosDSP is developed by Joren Six at IPEM, University Ghent
*
  

* -------------------------------------------------------------
*
*
  
Info:
 
http://0110.be/tag/TarsosDSP
*
  
Github:
 
https://github.com/JorenSix/TarsosDSP
*
  
Releases:
 
http://0110.be/releases/TarsosDSP/
*
  

*
  
TarsosDSP includes modified source code by various authors,
*
  
for credits and info, see README.
*
 

*/

package be.tarsos.dsp;

public class AutoCorrelation implements AudioProcessor {

    
private float result;
    

    
public AutoCorrelation(){
    
}
    

    
@Override
    
public boolean process(AudioEvent audioEvent) {
        
float[] audioFloatbuffer = audioEvent.getFloatBuffer();
        

        
result = 0;

        
for (int i=0; i<audioFloatbuffer.length; i++){
        	
result += ((float)Math.abs(audioFloatbuffer[i]))/(float)audioFloatbuffer.length;
        
}
        
return true;
    
}
    

    
@Override
    
public void processingFinished() {
    
}

    
public float[] getValues() {
    	
float[] returnValue = new float[1];
    	
returnValue[0] = result;
        
return returnValue;
    
}
}