From 2231db91cdeea8111961b3eeb94e2d87df6f9e8a Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Tue, 16 Jul 2013 19:37:36 +0200
Subject: fix metering states 34, 38, 49, 50, 53 and 54

for state descriptions see
http://www.oofus.co.uk/ardour/Ardour3MonitorModesV3.pdf
---
 libs/ardour/io.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

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

diff --git a/libs/ardour/io.cc b/libs/ardour/io.cc
index cdb8a4693c..21fdca6e96 100644
--- a/libs/ardour/io.cc
+++ b/libs/ardour/io.cc
@@ -1639,7 +1639,9 @@ IO::process_input (boost::shared_ptr<Processor> proc, framepos_t start_frame, fr
 	}
 
 	_buffers.get_jack_port_addresses (_ports, nframes);
-	proc->run (_buffers, start_frame, end_frame, nframes, true);
+	if (proc) {
+		proc->run (_buffers, start_frame, end_frame, nframes, true);
+	}
 }
 
 void
-- 
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