Merge identical time periods returned from text_subtitles_during

to stop multiple copies of subtitles being returned from the decoder.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/lib/dcpomatic_time.h b/src/lib/dcpomatic_time.h
index da903cf09..893bce257 100644
--- a/src/lib/dcpomatic_time.h
+++ b/src/lib/dcpomatic_time.h
@@ -272,6 +272,13 @@ public:
 		return (from <= other && other < to);
 	}
 
+	bool operator< (TimePeriod<T> const & o) const {
+		if (from != o.from) {
+			return from < o.from;
+		}
+		return to < o.to;
+	}
+
 	bool operator== (TimePeriod<T> const & other) const {
 		return from == other.from && to == other.to;
 	}