From cc8aa57793bb5f9bb5af0e4c0bd8bc2f83a6472b Mon Sep 17 00:00:00 2001
From: attila <attila@juce.com>
Date: Mon, 25 Oct 2021 21:42:11 +0200
Subject: [PATCH] AU Client:  Only call prepareToPlay() from SetProperty() if
 already in prepared state

---
 modules/juce_audio_plugin_client/AU/juce_AU_Wrapper.mm | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/modules/juce_audio_plugin_client/AU/juce_AU_Wrapper.mm b/modules/juce_audio_plugin_client/AU/juce_AU_Wrapper.mm
index 72eea53003..effde86ecc 100644
--- a/modules/juce_audio_plugin_client/AU/juce_AU_Wrapper.mm
+++ b/modules/juce_audio_plugin_client/AU/juce_AU_Wrapper.mm
@@ -633,7 +633,9 @@ public:
                             const ScopedLock sl (juceFilter->getCallbackLock());
 
                             juceFilter->setNonRealtime (shouldBeOffline);
-                            juceFilter->prepareToPlay (getSampleRate(), (int) GetMaxFramesPerSlice());
+
+                            if (prepared)
+                                juceFilter->prepareToPlay (getSampleRate(), (int) GetMaxFramesPerSlice());
                         }
                     }