From 1dab4d3d084eda74612a3ebf0688ebc6fda7e78b Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Fri, 18 Sep 2015 22:32:32 +0100
Subject: const fix; header guard.

---
 src/lib/audio_filter.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src/lib')

diff --git a/src/lib/audio_filter.h b/src/lib/audio_filter.h
index cc3734cde..640e910ca 100644
--- a/src/lib/audio_filter.h
+++ b/src/lib/audio_filter.h
@@ -17,6 +17,9 @@
 
 */
 
+#ifndef DCPOMATIC_AUDIO_FILTER_H
+#define DCPOMATIC_AUDIO_FILTER_H
+
 #include <boost/shared_ptr.hpp>
 #include <vector>
 
@@ -34,7 +37,7 @@ public:
 		}
 	}
 
-	boost::shared_ptr<AudioBuffers> run (boost::shared_ptr<AudioBuffers> in);
+	boost::shared_ptr<AudioBuffers> run (boost::shared_ptr<const AudioBuffers> in);
 
 	void flush ();
 
@@ -79,3 +82,5 @@ public:
 	 */
 	BandPassAudioFilter (float transition_bandwidth, float lower, float higher);
 };
+
+#endif
-- 
cgit v1.2.3