3 files changed, 9 insertions, 1 deletions
diff --git a/src/lib/dcp_decoder.cc b/src/lib/dcp_decoder.cc
index a3c42a321..03ac66e94 100644
--- a/src/lib/dcp_decoder.cc
+++ b/src/lib/dcp_decoder.cc
@@ -457,3 +457,9 @@ DCPDecoder::calculate_lazy_digest (shared_ptr<const DCPContent> c) const
 	}
 	return d.get ();
 }
+
+ContentTime
+DCPDecoder::position () const
+{
+	return ContentTime::from_frames(_offset, _dcp_content->active_video_frame_rate(film())) + _next;
+}
diff --git a/src/lib/dcp_decoder.h b/src/lib/dcp_decoder.h
index 496d95740..4de8c8629 100644
--- a/src/lib/dcp_decoder.h
+++ b/src/lib/dcp_decoder.h
@@ -62,6 +62,8 @@ public:
 		return _lazy_digest;
 	}
 
+	dcpomatic::ContentTime position () const;
+
 private:
 	friend struct dcp_subtitle_within_dcp_test;
 
diff --git a/src/lib/decoder.h b/src/lib/decoder.h
index 92082ca18..ddea58aac 100644
--- a/src/lib/decoder.h
+++ b/src/lib/decoder.h
@@ -57,7 +57,7 @@ public:
 	virtual bool pass () = 0;
 	virtual void seek (dcpomatic::ContentTime time, bool accurate);
 
-	dcpomatic::ContentTime position () const;
+	virtual dcpomatic::ContentTime position () const;
 
 protected:
 	boost::shared_ptr<const Film> film () const;