Add menu actions and logic to deal with playing only when the host plays. Also seek to stretch source active time range beginning when starting play.

Source/PluginEditor.cpp

@@ -223,9 +223,17 @@ void PaulstretchpluginAudioProcessorEditor::chooseFile()
 void PaulstretchpluginAudioProcessorEditor::showSettingsMenu()
 {
 	PopupMenu menu;
-	menu.addItem(1, "Foo 1", true, false);
-	menu.addItem(2, "Foo 2", true, false);
+	menu.addItem(1, "Play when host transport running", true, processor.m_play_when_host_plays);
+	menu.addItem(2, "Capture when host transport running", true, processor.m_capture_when_host_plays);
 	int r = menu.show();
+	if (r == 1)
+	{
+		processor.m_play_when_host_plays = !processor.m_play_when_host_plays;
+	}
+	if (r == 2)
+	{
+		processor.m_capture_when_host_plays = !processor.m_capture_when_host_plays;
+	}
 }
 
 WaveformComponent::WaveformComponent(AudioFormatManager* afm)

Source/PluginProcessor.cpp

@@ -381,6 +381,17 @@ void PaulstretchpluginAudioProcessor::processBlock (AudioSampleBuffer& buffer, M
 	}
 	jassert(m_buffering_source != nullptr);
 	jassert(m_bufferingthread.isThreadRunning());
+	if (m_last_host_playing == false && m_playposinfo.isPlaying)
+	{
+		m_stretch_source->seekPercent(*getFloatParameter(cpi_soundstart));
+		m_last_host_playing = true;
+	}
+	else if (m_last_host_playing == true && m_playposinfo.isPlaying == false)
+	{
+		m_last_host_playing = false;
+	}
+	if (m_play_when_host_plays == true && m_playposinfo.isPlaying == false)
+		return;
 	m_stretch_source->setMainVolume(*getFloatParameter(cpi_main_volume));
 	m_stretch_source->setRate(*getFloatParameter(cpi_stretchamount));
 

Source/PluginProcessor.h

@@ -136,6 +136,8 @@ public:
 	double getSampleRateChecked();
 	int m_abnormal_output_samples = 0;
 	AudioPlayHead::CurrentPositionInfo m_playposinfo;
+	bool m_play_when_host_plays = false;
+	bool m_capture_when_host_plays = false;
 private:
 	
 	
@@ -169,7 +171,7 @@ private:
 	AudioParameterInt* m_outchansparam = nullptr;
 	int m_curmaxblocksize = 0;
 	double m_cur_sr = 0.0;
-	
+	bool m_last_host_playing = false;
 	//==============================================================================
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (PaulstretchpluginAudioProcessor)
 };