Finally support changing FFT size. This however doesn't now use the double stretch source thing, so glitches will probably happen... Parameter component was changed to support changing the parameter value only on mouse releasee etc

Source/PS_Source/StretchSource.cpp

@@ -437,10 +437,11 @@ void StretchAudioSource::setFFTWindowingType(int windowtype)
 void StretchAudioSource::setFFTSize(int size)
 {
     jassert(size>0);
-    if (size != m_process_fftsize)
+    if (m_process_fftsize == 0 || size != m_process_fftsize)
 	{
 		m_process_fftsize = size;
-		
+		initObjects();
+		++m_param_change_count;
 	}
 }
 

Source/PluginEditor.cpp

@@ -28,8 +28,16 @@ PaulstretchpluginAudioProcessorEditor::PaulstretchpluginAudioProcessorEditor (Pa
 	const auto& pars = processor.getParameters();
 	for (int i=0;i<pars.size();++i)
 	{
-		m_parcomps.push_back(std::make_shared<ParameterComponent>(pars[i]));
+		AudioProcessorParameterWithID* parid = dynamic_cast<AudioProcessorParameterWithID*>(pars[i]);
-		addAndMakeVisible(m_parcomps.back().get());
+		jassert(parid);
+		if (parid)
+		{
+			bool notifyonlyonrelease = false;
+			if (parid->paramID.startsWith("fftsize"))
+				notifyonlyonrelease = true;
+			m_parcomps.push_back(std::make_shared<ParameterComponent>(pars[i],notifyonlyonrelease));
+			addAndMakeVisible(m_parcomps.back().get());
+		}
 	}
 	addAndMakeVisible(&m_rec_enable);
 	m_rec_enable.setButtonText("Capture");
@@ -90,9 +98,8 @@ void PaulstretchpluginAudioProcessorEditor::timerCallback(int id)
 			m_wavecomponent.setRecordingPosition(processor.getRecordingPositionPercent());
 		} else
 			m_wavecomponent.setRecordingPosition(-1.0);
-		//m_info_label.setText(String(processor.m_control->getStretchAudioSource()->m_param_change_count), dontSendNotification);
+		String infotext = String(processor.m_control->getPreBufferingPercent(), 1) + " " + String(processor.m_control->getStretchAudioSource()->m_param_change_count);
-        double prebufavail=processor.m_control->getPreBufferingPercent();
+		m_info_label.setText(infotext, dontSendNotification);
-        m_info_label.setText(String(prebufavail,1), dontSendNotification);
 	}
 	if (id == 2)
 	{

Source/PluginEditor.h

@@ -47,7 +47,7 @@ class ParameterComponent : public Component,
 	public Slider::Listener, public Button::Listener
 {
 public:
-	ParameterComponent(AudioProcessorParameter* par) : m_par(par)
+	ParameterComponent(AudioProcessorParameter* par, bool notifyOnlyOnRelease) : m_par(par)
 	{
 		addAndMakeVisible(&m_label);
 		m_label.setText(par->getName(50),dontSendNotification);
@@ -55,6 +55,7 @@ public:
 		if (floatpar)
 		{
 			m_slider = std::make_unique<Slider>();
+			m_notify_only_on_release = notifyOnlyOnRelease;
 			m_slider->setRange(floatpar->range.start, floatpar->range.end, floatpar->range.interval);
 			m_slider->setValue(*floatpar, dontSendNotification);
 			m_slider->addListener(this);
@@ -84,6 +85,20 @@ public:
 	}
 	void sliderValueChanged(Slider* slid) override
 	{
+		if (m_notify_only_on_release == true)
+			return;
+		AudioParameterFloat* floatpar = dynamic_cast<AudioParameterFloat*>(m_par);
+		*floatpar = slid->getValue();
+	}
+	void sliderDragStarted(Slider* slid) override
+	{
+		m_dragging = true;
+	}
+	void sliderDragEnded(Slider* slid) override
+	{
+		m_dragging = false;
+		if (m_notify_only_on_release == false)
+			return;
 		AudioParameterFloat* floatpar = dynamic_cast<AudioParameterFloat*>(m_par);
 		*floatpar = slid->getValue();
 	}
@@ -98,7 +113,7 @@ public:
 	void updateComponent()
 	{
 		AudioParameterFloat* floatpar = dynamic_cast<AudioParameterFloat*>(m_par);
-		if (m_slider != nullptr && (float)m_slider->getValue() != *floatpar)
+		if (m_slider != nullptr && m_dragging == false && (float)m_slider->getValue() != *floatpar)
 		{
 			m_slider->setValue(*floatpar, dontSendNotification);
 		}
@@ -114,6 +129,8 @@ private:
 	std::unique_ptr<Slider> m_slider;
 	std::unique_ptr<ComboBox> m_combobox;
 	std::unique_ptr<ToggleButton> m_togglebut;
+	bool m_notify_only_on_release = false;
+	bool m_dragging = false;
 };
 
 class WaveformComponent : public Component, public ChangeListener, public Timer

Source/PluginProcessor.cpp

@@ -235,7 +235,7 @@ void PaulstretchpluginAudioProcessor::processBlock (AudioSampleBuffer& buffer, M
 	m_control->getStretchAudioSource()->val_MainVolume = (float)*getFloatParameter(0);
 	m_control->getStretchAudioSource()->setRate(*getFloatParameter(1));
 	m_control->getStretchAudioSource()->val_XFadeLen = 0.1;
-	//m_control->setFFTSize(*getFloatParameter(2));
+	m_control->setFFTSize(*getFloatParameter(2));
 	m_control->ppar.pitch_shift.cents = *getFloatParameter(3) * 100.0;
 	m_control->ppar.freq_shift.Hz = *getFloatParameter(4);
 	double t0 = *getFloatParameter(5);