Fix AU crash

CMakeLists.txt

@@ -4,7 +4,7 @@ cmake_minimum_required (VERSION 3.24.0 FATAL_ERROR)
 # Set for each plugin
 #
 set (PLUGIN_NAME Wavetable)
-set (PLUGIN_VERSION 1.0.4)
+set (PLUGIN_VERSION 1.0.5)
 set (BUNDLE_ID com.socalabs.wavetable)
 set (AU_ID WavetableAU)
 set (LV2_URI "https://socalabs.com/wavetable/")

Changelist.txt

@@ -1,3 +1,7 @@
+1.0.5:
+
+- Fix AU crash
+
 1.0.4:
 
 - Allow mod matrix entries to be disabled

plugin/Resources/layout.json

@@ -143,9 +143,9 @@
         { "id": "global", "x": "prevR()+1", "y": "prevY()", "w": 168, "h": 137, "children":
             [
                 { "id": "Mono", "x": 0, "y": 23, "w": 42, "h": 57 },
-                { "id": "Legato", "x": "prevR()", "y": "prevY()", "w": 42, "h": 57 },
                 { "id": "Glide", "x": "prevR()", "y": "prevY()", "w": 42, "h": 57 },
                 { "id": "Time", "x": "prevR()", "y": "prevY()", "w": 42, "h": 57 },
+                { "id": "Legato", "x": "prevR()", "y": "prevY()", "w": 42, "h": 57 },
                 { "id": "PB Range", "x": 0, "y": "prevB()", "w": 42, "h": 57 },
                 { "id": "Voices", "x": "prevR()", "y": "prevY()", "w": 42, "h": 57 },
                 { "id": "Level", "x": "prevR() + 42", "y": "prevY()", "w": 42, "h": 57 }

plugin/Source/Panels.h

@@ -533,14 +533,28 @@ public:
 
         addControl (new gin::Knob (proc.globalParams.level));
         addControl (new gin::Select (proc.globalParams.glideMode));
-        addControl (new gin::Knob (proc.globalParams.glideRate));
+        addControl (rate = new gin::Knob (proc.globalParams.glideRate));
         addControl (new gin::Knob (proc.globalParams.voices));
-        addControl (new gin::Switch (proc.globalParams.legato));
+        addControl (legato = new gin::Switch (proc.globalParams.legato));
         addControl (new gin::Switch (proc.globalParams.mono));
         addControl (new gin::Knob (proc.globalParams.pitchBend));
+        
+        watchParam (proc.globalParams.glideMode);
+        paramChanged();
+    }
+    
+    void paramChanged() override
+    {
+        gin::ParamBox::paramChanged();
+
+        rate->setEnabled (proc.globalParams.glideMode->getUserValueInt() > 0);
+        legato->setEnabled (proc.globalParams.glideMode->getUserValueInt() > 0);
     }
 
     WavetableAudioProcessor& proc;
+    
+    gin::Knob* rate;
+    gin::Switch* legato;
 };
 
 //==============================================================================

plugin/Source/PluginProcessor.cpp

@@ -747,6 +747,14 @@ void WavetableAudioProcessor::releaseResources()
 {
 }
 
+bool WavetableAudioProcessor::isBusesLayoutSupported (const BusesLayout& layout) const
+{
+    if (layout.inputBuses.size() != 0 || layout.outputBuses.size() != 1)
+        return false;
+    
+    return layout.outputBuses[0].size() == 2;
+}
+
 void WavetableAudioProcessor::processBlock (juce::AudioBuffer<float>& buffer, juce::MidiBuffer& midi)
 {
     juce::ScopedNoDenormals noDenormals;
@@ -755,6 +763,9 @@ void WavetableAudioProcessor::processBlock (juce::AudioBuffer<float>& buffer, ju
         blockMissed = true;
         return;
     }
+    
+    if (buffer.getNumChannels() != 2)
+        return;
 
     if (blockMissed || presetLoaded || lastMono != globalParams.mono->isOn())
     {
@@ -802,7 +813,7 @@ void WavetableAudioProcessor::processBlock (juce::AudioBuffer<float>& buffer, ju
 
     playHead = nullptr;
 
-    if (buffer.getNumSamples() <= scopeFifo.getFreeSpace())
+    if (buffer.getNumSamples() <= scopeFifo.getFreeSpace() && buffer.getNumChannels() == scopeFifo.getNumChannels())
         scopeFifo.write (buffer);
 
     endBlock (buffer.getNumSamples());

plugin/Source/PluginProcessor.h

@@ -22,6 +22,7 @@ public:
     void reset() override;
     void prepareToPlay (double sampleRate, int samplesPerBlock) override;
     void releaseResources() override;
+    bool isBusesLayoutSupported (const BusesLayout&) const override;
 
     void processBlock (juce::AudioBuffer<float>&, juce::MidiBuffer&) override;