pitch tracking working on some basic level

Source/PluginProcessor.cpp

@@ -1,5 +1,6 @@
 #include "PluginProcessor.h"
 #include "PluginEditor.h"
+#include <math.h>
 
 LampshadeAudioProcessor::LampshadeAudioProcessor()
 #ifndef JucePlugin_PreferredChannelConfigurations
@@ -93,6 +94,7 @@ bool LampshadeAudioProcessor::isBusesLayoutSupported (const BusesLayout& layouts
 
 void LampshadeAudioProcessor::processBlock (AudioSampleBuffer& buffer, MidiBuffer& midiMessages)
 {
+    static float incrementer;
     const int totalNumInputChannels  = getTotalNumInputChannels();
     const int totalNumOutputChannels = getTotalNumOutputChannels();
 
@@ -106,12 +108,17 @@ void LampshadeAudioProcessor::processBlock (AudioSampleBuffer& buffer, MidiBuffe
         buffer.clear(i, 0, buffer.getNumSamples());
 
     float pitch = myYin.getPitch(buffer.getWritePointer (0)); // returns Pitch in Hertz
-    printf("pitch: %f", pitch);
+    static float myPitch;
+    if(pitch > 0) { myPitch = pitch; }
     
-    for (int channel = 0; channel < totalNumInputChannels; ++channel) {
-        //float* channelData = buffer.getWritePointer (channel);
-        
+    float* channel1Data = buffer.getWritePointer (0);
+    float* channel2Data = buffer.getWritePointer (1);
+    for(int i=0; i < buffer.getNumSamples(); i++){
+        incrementer += (myPitch / 4000);
+        channel1Data[i] = sin(incrementer) * 0.1;
+        channel2Data[i] = channel1Data[i];
     }
+    printf("%f\n",channel1Data[0]);
 }
 
 bool LampshadeAudioProcessor::hasEditor() const

Source/Yin.cpp

@@ -1,12 +1,13 @@
 #include "Yin.h"
 #include <stdlib.h>
+#include <stdio.h>
 //#include "WProgram.h"
 
 void Yin::initialize(float yinSampleRate,int yinBufferSize){
 	bufferSize = yinBufferSize;
 	sampleRate = yinSampleRate;
 	halfBufferSize = bufferSize / 2;
-	threshold = 0.15;
+	threshold = 0.01;
 	probability = 0.0;
 	//initialize array and set it to zero
 	yinBuffer = (float *) malloc(sizeof(float)* halfBufferSize);
@@ -137,6 +138,7 @@ int Yin::absoluteThreshold(){
 			break;
 		}
 	}
+
 	// if no pitch found, tau => -1
 	if (tau == halfBufferSize || yinBuffer[tau] >= threshold) {
 		tau = -1;