Some const correctness.

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

diff --git a/src/lib/video_sink.h b/src/lib/video_sink.h
index 32c7f3b384f145cbb1bf83ba6de63294675fa253..0170c7350c90d1f1898c9a275b7d21556fc4c2e5 100644 (file)
--- a/src/lib/video_sink.h
+++ b/src/lib/video_sink.h
@@ -34,7 +34,7 @@ public:
         *  @param same true if i is the same as last time we were called.
         *  @param s A subtitle that should be on this frame, or 0.
         */
-       virtual void process_video (boost::shared_ptr<Image> i, bool same, boost::shared_ptr<Subtitle> s) = 0;
+       virtual void process_video (boost::shared_ptr<const Image> i, bool same, boost::shared_ptr<Subtitle> s) = 0;
 };
 
 class TimedVideoSink
@@ -46,7 +46,7 @@ public:
         *  @param s A subtitle that should be on this frame, or 0.
         *  @param t Source timestamp.
         */
-       virtual void process_video (boost::shared_ptr<Image> i, bool same, boost::shared_ptr<Subtitle> s, double t) = 0;
+       virtual void process_video (boost::shared_ptr<const Image> i, bool same, boost::shared_ptr<Subtitle> s, double t) = 0;
 };
 
 #endif