Attempt to provide extra data for a special host, not working like this

Source/PluginEditor.cpp

@@ -328,7 +328,8 @@ void PaulstretchpluginAudioProcessorEditor::timerCallback(int id)
 		}
 		infotext += m_last_err + " [FFT size " +
 			String(processor.getStretchSource()->getFFTSize())+"]";
-		double outlen = processor.getStretchSource()->getOutputDurationSecondsForRange(processor.getStretchSource()->getPlayRange(), processor.getStretchSource()->getFFTSize());
+		double outlen = processor.getStretchSource()->getOutputDurationSecondsForRange(processor.getStretchSource()->getPlayRange(), 
+			processor.getStretchSource()->getFFTSize());
 		infotext += " [Output length " + secondsToString2(outlen)+"]";
 		if (processor.m_abnormal_output_samples > 0)
 			infotext += " " + String(processor.m_abnormal_output_samples) + " invalid sample values";

Source/PluginProcessor.cpp

@@ -67,6 +67,7 @@ inline AudioParameterFloat* make_floatpar(String id, String name, float minv, fl
 PaulstretchpluginAudioProcessor::PaulstretchpluginAudioProcessor()
 	: m_bufferingthread("pspluginprebufferthread")
 {
+	getProperties().set("isgenerator", true);
 	g_activeprocessors.insert(this);
 	m_playposinfo.timeInSeconds = 0.0;
 	
@@ -579,6 +580,16 @@ void copyAudioBufferWrappingPosition(const AudioBuffer<float>& src, AudioBuffer<
 	}
 }
 
+pointer_sized_int PaulstretchpluginAudioProcessor::handleVstManufacturerSpecific(int32 index, pointer_sized_int value, void * ptr, float opt)
+{
+	if (index == 10000)
+	{
+		*((double*)(ptr)) = 6.66;
+		return 1;
+	}
+	return pointer_sized_int();
+}
+
 void PaulstretchpluginAudioProcessor::processBlock (AudioSampleBuffer& buffer, MidiBuffer& midiMessages)
 {
 	ScopedLock locker(m_cs);
@@ -783,6 +794,9 @@ void PaulstretchpluginAudioProcessor::timerCallback(int id)
 {
 	if (id == 1)
 	{
+		double outlen = m_stretch_source->getOutputDurationSecondsForRange(m_stretch_source->getPlayRange(),
+			m_stretch_source->getFFTSize());
+		getProperties().set("outputlength", outlen);
 		bool capture = getParameter(cpi_capture_enabled);
 		if (capture == false && m_max_reclen != *getFloatParameter(cpi_max_capture_len))
 		{

Source/PluginProcessor.h

@@ -104,7 +104,7 @@ public:
 class PaulstretchpluginAudioProcessorEditor;
 
 class PaulstretchpluginAudioProcessor  : public AudioProcessor, 
-	public MultiTimer
+	public MultiTimer, public VSTCallbackHandler
 {
 public:
 	using EditorType = PaulstretchpluginAudioProcessorEditor;
@@ -119,6 +119,11 @@ public:
     bool isBusesLayoutSupported (const BusesLayout& layouts) const override;
    #endif
 
+	pointer_sized_int handleVstManufacturerSpecific(int32 index,
+		pointer_sized_int value,
+		void* ptr,
+		float opt) override;
+
     void processBlock (AudioSampleBuffer&, MidiBuffer&) override;
 
     //==============================================================================