closes #3

Added freeze pitch and volume controls

Assets/web/src/App.js

@@ -57,6 +57,8 @@ function App() {
         <JuceSlider identifier="portTime" title="Portamento Speed" />
 
         <JuceCheckbox identifier="freezeEnabled" />
+        <JuceSlider identifier="freezePitch" title="Freeze Pitch" />
+        <JuceSlider identifier="freezeVolume" title="Freeze Volume" />
       </Container>
       <MidiNoteInfo />
     </div>

Source/PluginProcessor.cpp

@@ -69,6 +69,8 @@ void WebViewPluginAudioProcessor::processBlock(juce::AudioBuffer<float>& buffer,
 	shifter.SetHarmonyMix(state.getParameterAsValue("harmonyMix").getValue());
 	shifter.SetAutoTuneEnable(state.getParameterAsValue("autoTuneEnabled").getValue());
 	shifter.SetFreeze(state.getParameterAsValue("freezeEnabled").getValue());
+	shifter.SetFreezePitchAdjust(state.getParameterAsValue("freezePitch").getValue());
+	shifter.SetFreezeVolume(state.getParameterAsValue("freezeVolume").getValue());
 
 	juce::AudioBuffer<float> const_buff;
 	const_buff.makeCopyOf(buffer);

Source/PluginProcessor.h

@@ -86,6 +86,20 @@ public:
 				"Portamento Speed",
 				NormalisableRange<float> {0.001f, 0.2f, .001f},
 				.01f);
+
+			sliderIds.push_back("freezePitch");
+			addToLayout<AudioParameterFloat>(layout,
+				ParameterID("freezePitch"),
+				"Freeze pitch",
+				NormalisableRange<float> {-12.0f, 12.0f, 1.00f},
+				0.0f);
+
+			sliderIds.push_back("freezeVolume");
+			addToLayout<AudioParameterFloat>(layout,
+				ParameterID("freezeVolume"),
+				"Freeze Volume",
+				NormalisableRange<float> {0.0f, 1.0f, .01f},
+				0.5f);
 			
 
 			toggleIds.push_back("autoTuneEnabled");

Source/Shifter.cpp

@@ -215,7 +215,7 @@ void Shifter::GetSamples(float** output, const float* input, size_t size)
 			if (voices[i].IsActive()) {
 				freeze_voices[i].Trigger(voices[i].GetMidiNote());
 				freeze_voices[i].panning = voices[i].panning;
-				freeze_voices[i].SetPortamentoTime(0.0001f);
+				freeze_voices[i].SetPortamentoTime(0.05f);
 			}
 		}
 	}
@@ -402,4 +402,10 @@ void Shifter::SetFreeze(bool freeze) {
 		}
 	}
 	freeze_mode = freeze;
+}
+
+void Shifter::SetFreezePitchAdjust(float val) {
+	for(int i = 0; i < MAX_VOICES; ++i) {
+		freeze_voices[i].SetPitchAdjust(val);
+	}
 }

Source/Shifter.h

@@ -159,6 +159,8 @@ public:
     void SetHarmonyMix(float mix);
 	void SetAutoTuneEnable(bool enable) { enable_autotune = enable; }
     void SetFreeze(bool);
+    void SetFreezePitchAdjust(float val);
+	void SetFreezeVolume(float val) { freeze_volume = val; }
 
     float out_midi = 40;
     ShifterVoice voices[MAX_VOICES];

Source/shifter_voice.cpp

@@ -54,7 +54,7 @@ void ShifterVoice::Release() {
 
 void ShifterVoice::Process() {
 	current_amplitude = amplitude_envelope_.Process(onoff_);
-	current_period_ = sample_rate_ / mtof(portamento_.Process((float)current_midi));
+	current_period_ = sample_rate_ / mtof(portamento_.Process((float)current_midi + pitch_adjust));
 	period_counter++;
 	overflow_ = period_counter >= current_period_;
 	if (overflow_) {
@@ -93,4 +93,8 @@ float ShifterVoice::GetPanning(int channel) const {
 	case 1:
 		return panning > .5 ? 1.0 : panning * 2.0f;
 	}
+}
+
+void ShifterVoice::SetPitchAdjust(float adj) {
+	pitch_adjust = adj;
 }

Source/shifter_voice.h

@@ -32,6 +32,7 @@ public:
 	void SetAdsrTimes(float attack, float decay, float release);
 	float GetPanning(int channel) const;
 	int GetMidiNote() const { return current_midi; }
+	void SetPitchAdjust(float);
 	bool onoff_;
 
 	float panning;
@@ -46,5 +47,6 @@ private:
 	float current_period_;
 	float current_amplitude;
 	float period_counter;
+	float pitch_adjust = 0.0f;
 	
 };