1 files changed, 56 insertions, 0 deletions
diff --git a/src/time_pair.cc b/src/time_pair.cc
new file mode 100644
index 0000000..186d54c
--- /dev/null
+++ b/src/time_pair.cc
@@ -0,0 +1,56 @@
+/*
+    Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "time_pair.h"
+
+using namespace sub;
+
+FrameTime
+TimePair::frame (float frames_per_second) const
+{
+	if (_frame) {
+		return _frame.get ();
+	}
+
+	MetricTime const m = _metric.get ();
+	return FrameTime (m.hours(), m.minutes(), m.seconds(), m.milliseconds() * frames_per_second / 1000);
+}
+
+MetricTime
+TimePair::metric (float frames_per_second) const
+{
+	if (_metric) {
+		return _metric.get ();
+	}
+
+	FrameTime const f = _frame.get ();
+	return MetricTime (f.hours(), f.minutes(), f.seconds(), f.frames() * 1000 / frames_per_second);
+}
+
+bool
+TimePair::operator== (TimePair const & other) const
+{
+	if (_metric && other._metric) {
+		return _metric.get() == other._metric.get();
+	} else if (_frame && other._frame) {
+		return _frame.get() == other._frame.get();
+	}
+
+	return false;
+}