comparison src/BTrack.cpp @ 56:b6d440942ff6

Added some simple unit tests. Removed the destructor from the BTrack class as it was unnecessary.

 {
     initialise(hopSize, frameSize);
 }
 
 //=======================================================================
-BTrack::~BTrack()
-{	
-	
-}
-
-//=======================================================================
 double BTrack::getBeatTimeInSeconds(long frameNumber,int hopSize,int fs)
 {
     double hop = (double) hopSize;
     double samplingFrequency = (double) fs;
     double frameNum = (double) frameNumber;

 void BTrack::processAudioFrame(double *frame)
 {
     // calculate the onset detection function sample for the frame
     double sample = odf.getDFsample(frame);
     
+    
+    
+    // process the new onset detection function sample in the beat tracking algorithm
+    processOnsetDetectionFunctionSample(sample);
+}
+
+//=======================================================================
+void BTrack::processOnsetDetectionFunctionSample(double newSample)
+{
+    // we need to ensure that the onset
+    // detection function sample is positive
+    newSample = fabs(newSample);
+    
     // add a tiny constant to the sample to stop it from ever going
     // to zero. this is to avoid problems further down the line
-    sample = sample + 0.0001;
-    
-    // process the new onset detection function sample in the beat tracking algorithm
-    processOnsetDetectionFunctionSample(sample);
-}
-
-//=======================================================================
-void BTrack::processOnsetDetectionFunctionSample(double newSample)
-{	 
+    newSample = newSample + 0.0001;
+    
 	m0--;
 	beat--;
 	playbeat = 0;
 	
 	// move all samples back one step