Fix deadlock

FigBug · FigBug · commit 155c9337110a · 2026-05-02T15:54:57.000-07:00
diff --git a/plugin/Source/PluginProcessor.cpp b/plugin/Source/PluginProcessor.cpp
@@ -942,14 +942,15 @@ bool WavetableAudioProcessor::isBusesLayoutSupported (const BusesLayout& layout)
 void WavetableAudioProcessor::processBlock (juce::AudioBuffer<float>& buffer, juce::MidiBuffer& midi)
 {
     juce::ScopedNoDenormals noDenormals;
+
+    if (buffer.getNumChannels() != 2)
+        return;
+
     if (! dspLock.tryEnter())
     {
         blockMissed = true;
         return;
     }
-    
-    if (buffer.getNumChannels() != 2)
-        return;
 
     if (midiLearn)
         midiLearn->processBlock (midi, buffer.getNumSamples());

Original file line number	Diff line number	Diff line change
`@@ -942,14 +942,15 @@ bool WavetableAudioProcessor::isBusesLayoutSupported (const BusesLayout& layout)`
`942`	`942`	`void WavetableAudioProcessor::processBlock (juce::AudioBuffer<float>& buffer, juce::MidiBuffer& midi)`
`943`	`943`	`{`
`944`	`944`	`juce::ScopedNoDenormals noDenormals;`
	`945`	`+`
	`946`	`+ if (buffer.getNumChannels() != 2)`
	`947`	`+ return;`
	`948`	`+`
`945`	`949`	`if (! dspLock.tryEnter())`
`946`	`950`	`{`
`947`	`951`	`blockMissed = true;`
`948`	`952`	`return;`
`949`	`953`	`}`
`950`		`-`
`951`		`- if (buffer.getNumChannels() != 2)`
`952`		`- return;`
`953`	`954`
`954`	`955`	`if (midiLearn)`
`955`	`956`	`midiLearn->processBlock (midi, buffer.getNumSamples());`