From 77090bb4990e5d5db8b26fe0568f1605c0f3ce9c Mon Sep 17 00:00:00 2001
From: reuk <reuk@users.noreply.github.com>
Date: Thu, 21 Apr 2022 16:38:40 +0100
Subject: [PATCH] AudioProcessorGraph:  Fix processing of plugins with no
 inputs or outputs

---
 .../processors/juce_AudioProcessorGraph.h     | 23 ++++++++-----------
 1 file changed, 10 insertions(+), 13 deletions(-)

diff --git a/modules/juce_audio_processors/processors/juce_AudioProcessorGraph.h b/modules/juce_audio_processors/processors/juce_AudioProcessorGraph.h
index adf8146c68..9c54201dc1 100644
--- a/modules/juce_audio_processors/processors/juce_AudioProcessorGraph.h
+++ b/modules/juce_audio_processors/processors/juce_AudioProcessorGraph.h
@@ -148,28 +148,25 @@ public:
         void prepare (double newSampleRate, int newBlockSize, AudioProcessorGraph*, ProcessingPrecision);
         void unprepare();
 
-        bool hasNoConnections() const noexcept   { return inputs.isEmpty() && outputs.isEmpty(); }
-
         template <typename Sample>
-        void processBlock (AudioBuffer<Sample>& audio, MidiBuffer& midi)
+        void callProcessFunction (AudioBuffer<Sample>& audio,
+                                  MidiBuffer& midi,
+                                  void (AudioProcessor::* function) (AudioBuffer<Sample>&, MidiBuffer&))
         {
-            if (hasNoConnections())
-                return;
-
             const ScopedLock lock (processorLock);
+            (processor.get()->*function) (audio, midi);
+        }
 
-            processor->processBlock (audio, midi);
+        template <typename Sample>
+        void processBlock (AudioBuffer<Sample>& audio, MidiBuffer& midi)
+        {
+            callProcessFunction (audio, midi, &AudioProcessor::processBlock);
         }
 
         template <typename Sample>
         void processBlockBypassed (AudioBuffer<Sample>& audio, MidiBuffer& midi)
         {
-            if (hasNoConnections())
-                return;
-
-            const ScopedLock lock (processorLock);
-
-            processor->processBlockBypassed (audio, midi);
+            callProcessFunction (audio, midi, &AudioProcessor::processBlockBypassed);
         }
 
         CriticalSection processorLock;