From 8e48655981ae4b7c64d2a55e01f903eed01b6727 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Sat, 16 Jul 2016 18:44:05 +0200
Subject: handle no audio-output AUs

---
 libs/ardour/audio_unit.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'libs/ardour/audio_unit.cc')

diff --git a/libs/ardour/audio_unit.cc b/libs/ardour/audio_unit.cc
index 85a387e933..5c324b0be2 100644
--- a/libs/ardour/audio_unit.cc
+++ b/libs/ardour/audio_unit.cc
@@ -1651,7 +1651,9 @@ AUPlugin::connect_and_run (BufferSet& bufs,
 	bool inplace = true; // TODO check plugin-insert in-place ?
 	ChanMapping::Mappings inmap (in_map.mappings ());
 	ChanMapping::Mappings outmap (out_map.mappings ());
-	assert (outmap[DataType::AUDIO].size () > 0);
+	if (outmap[DataType::AUDIO].size () == 0) {
+		inplace = false;
+	}
 	if (inmap[DataType::AUDIO].size() > 0 && inmap != outmap) {
 		inplace = false;
 	}
-- 
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