Add an Interface for Pitchtrackers and set VolTresholds

PitchTracker/dywapitchtrack/ptDyWa.cpp

@@ -5,23 +5,27 @@
 PtDyWa::PtDyWa(unsigned step){
 	_Step = step;
 	dywapitch_inittracking(&_State);
+	_VolTreshold = 0.01f;
+	_LastMaxVol = 0.f;
 }
 
-void PtDyWa::Process(){
+void PtDyWa::SetVolumeThreshold(float threshold){
+	_VolTreshold = threshold;
+}
+
+double PtDyWa::FindNote(float* maxVolume){
 	double AnaylsisBuf[_SampleCt];
 	size_t size = _AnalysisBuf.size();
 	if(size > _SampleCt)
 		_AnalysisBuf.pop(size - _SampleCt);
-	if(!_AnalysisBuf.read(AnaylsisBuf, AnaylsisBuf + _SampleCt))
-		return;
+	if(!_AnalysisBuf.read(AnaylsisBuf, AnaylsisBuf + _SampleCt)){
+		*maxVolume = _LastMaxVol * 0.85f;
+		return -1;
+	}
 	_AnalysisBuf.pop(_Step);
-	double pitch = dywapitch_computepitch(&_State, AnaylsisBuf,0,_SampleCt);
+	double pitch = dywapitch_computepitch(&_State, AnaylsisBuf, 0, _SampleCt, maxVolume, _VolTreshold);
 	if(pitch == 0.0)
-		_LastNote = -1;
+		return -1;
 	else
-		_LastNote = FreqToNote(pitch);
-}
-
-double PtDyWa::GetNote(){
-	return _LastNote;
+		return FreqToNote(pitch);
 }