From e283df51710cd2267d3284cf22e932b032b5499d Mon Sep 17 00:00:00 2001
From: David Schornsheim <david@u-he.com>
Date: Mon, 26 Feb 2024 17:36:47 +0100
Subject: [PATCH] Add crash safeguards against incorrect VST3 calling sequences

---
 src/wrapasvst3.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/wrapasvst3.cpp b/src/wrapasvst3.cpp
index b6790da9..153eed40 100644
--- a/src/wrapasvst3.cpp
+++ b/src/wrapasvst3.cpp
@@ -59,6 +59,10 @@ tresult PLUGIN_API ClapAsVst3::terminate()
   if (_plugin)
   {
     _os_attached.off();  // ensure we are detached
+    if (_active)
+    {
+      _plugin->deactivate();
+    }
     _plugin->terminate();
     _plugin.reset();
   }
@@ -111,6 +115,11 @@ tresult PLUGIN_API ClapAsVst3::setActive(TBool state)
 
 tresult PLUGIN_API ClapAsVst3::process(Vst::ProcessData& data)
 {
+  if (!_active || !_processing)
+  {
+    return kNotInitialized;
+  }
+
   auto thisFn = _plugin->AlwaysAudioThread();
   this->_processAdapter->process(data);
   return kResultOk;