From 066ae08df391cf923eb0f0022e5182b1a8712a14 Mon Sep 17 00:00:00 2001
From: falkTX <falktx@falktx.com>
Date: Fri, 12 Feb 2021 03:05:31 +0000
Subject: [PATCH] Prevent issues with hosts sending MIDI events where they
 shouldnt

Signed-off-by: falkTX <falktx@falktx.com>
---
 source/plugin/carla-lv2.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/source/plugin/carla-lv2.cpp b/source/plugin/carla-lv2.cpp
index 8cbb2d4cc..25da27c23 100644
--- a/source/plugin/carla-lv2.cpp
+++ b/source/plugin/carla-lv2.cpp
@@ -320,6 +320,10 @@ public:
 
                     if (event->body.type != fURIs.midiEvent)
                         continue;
+
+                    // anything past this point assumes plugin with MIDI input
+                    CARLA_SAFE_ASSERT_CONTINUE(fPorts.numMidiIns > 0);
+
                     if (event->body.size > 4)
                         continue;
                     if (event->time.frames >= frames)