From e70f560b63aa5c17d2f7f102f232cf4d5cd4c807 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sat, 17 Jan 2015 01:30:10 +0000
Subject: Add Time::all_as_seconds().

---
 src/sub_time.cc | 10 ++++++++++
 src/sub_time.h  |  2 ++
 2 files changed, 12 insertions(+)

(limited to 'src')

diff --git a/src/sub_time.cc b/src/sub_time.cc
index e304310..3f4d1e9 100644
--- a/src/sub_time.cc
+++ b/src/sub_time.cc
@@ -152,3 +152,13 @@ Time::from_hms (int h, int m, int s, int ms)
 {
 	return Time (h * 3600 + m * 60 + s, ms, Rational (1000, 1));
 }
+
+double
+Time::all_as_seconds () const
+{
+	if (!_rate) {
+		throw UnknownFrameRateError ();
+	}
+	
+	return _seconds + double (_frames) / _rate.get().fraction ();
+}
diff --git a/src/sub_time.h b/src/sub_time.h
index 7e1d193..22178e9 100644
--- a/src/sub_time.h
+++ b/src/sub_time.h
@@ -55,6 +55,8 @@ public:
 	int frames_at (Rational rate) const;
 	int milliseconds () const;
 
+	double all_as_seconds () const;
+
 	static Time from_hmsf (int h, int m, int s, int f, boost::optional<Rational> rate = boost::optional<Rational> ());
 	static Time from_hms (int h, int m, int s, int ms);
 	
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