Some const correctness.

[dcpomatic.git] / src / lib / video_source.h

diff --git a/src/lib/video_source.h b/src/lib/video_source.h
index 705b0023aec3037877a60e5e7af16db1a854d97e..748cb6fe98b403cda07b939568ef8971eec7993a 100644 (file)
--- a/src/lib/video_source.h
+++ b/src/lib/video_source.h
@@ -45,7 +45,7 @@ public:
         *  Second parameter is true if the image is the same as the last one that was emitted.
         *  Third parameter is either 0 or a subtitle that should be on this frame.
         */
-       boost::signals2::signal<void (boost::shared_ptr<Image>, bool, boost::shared_ptr<Subtitle>)> Video;
+       boost::signals2::signal<void (boost::shared_ptr<const Image>, bool, boost::shared_ptr<Subtitle>)> Video;
 
        void connect_video (boost::shared_ptr<VideoSink>);
 };
@@ -63,8 +63,9 @@ public:
         *  Third parameter is either 0 or a subtitle that should be on this frame.
         *  Fourth parameter is the source timestamp of this frame.
         */
-       boost::signals2::signal<void (boost::shared_ptr<Image>, bool, boost::shared_ptr<Subtitle>, double)> Video;
+       boost::signals2::signal<void (boost::shared_ptr<const Image>, bool, boost::shared_ptr<Subtitle>, double)> Video;
 
+       void connect_video (boost::shared_ptr<VideoSink>);
        void connect_video (boost::shared_ptr<TimedVideoSink>);
 };