X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fvideo_sink.h;h=0170c7350c90d1f1898c9a275b7d21556fc4c2e5;hb=605355f3335d189f6243be42bf254df2ba0442f2;hp=7c128cf73008d7ca8e71a5f4aa5c3aa52b3b4f8a;hpb=422341d1cb6bc8cbb6be76eac239c40cb4061c79;p=dcpomatic.git

diff --git a/src/lib/video_sink.h b/src/lib/video_sink.h
index 7c128cf73..0170c7350 100644
--- a/src/lib/video_sink.h
+++ b/src/lib/video_sink.h
@@ -34,7 +34,19 @@ 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
+{
+public:
+	/** Call with a frame of video.
+	 *  @param i Video frame image.
+	 *  @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.
+	 *  @param t Source timestamp.
+	 */
+	virtual void process_video (boost::shared_ptr<const Image> i, bool same, boost::shared_ptr<Subtitle> s, double t) = 0;
 };
 
 #endif