X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Faudio_filter_graph.h;h=fa52741b9280097334309bb4fe1dc14a204054b9;hp=e749d0ec98bf27a918ebc9cfb1b1540544563e59;hb=HEAD;hpb=341ba1115b6285fec998901e50f9afb48bcaeeb6

diff --git a/src/lib/audio_filter_graph.h b/src/lib/audio_filter_graph.h
index e749d0ec9..e5c55fa27 100644
--- a/src/lib/audio_filter_graph.h
+++ b/src/lib/audio_filter_graph.h
@@ -18,6 +18,11 @@
 
 */
 
+
+#ifndef DCPOMATIC_AUDIO_FILTER_GRAPH_H
+#define DCPOMATIC_AUDIO_FILTER_GRAPH_H
+
+
 #include "filter_graph.h"
 extern "C" {
 #include <libavfilter/buffersink.h>
@@ -45,3 +50,7 @@ private:
 	int64_t _channel_layout;
 	AVFrame* _in_frame;
 };
+
+
+#endif
+