Add Time::to_seconds.

2 files changed, 14 insertions, 0 deletions

diff --git a/src/dcp_time.cc b/src/dcp_time.cc
index 83a7f2bb..93c12a06 100644
--- a/src/dcp_time.cc
+++ b/src/dcp_time.cc
@@ -43,6 +43,11 @@ Time::Time (int frame, int frames_per_second, int tcr_)
 	set (double (frame) / frames_per_second, tcr);
 }
 
+Time::Time (double seconds)
+{
+	set (seconds, 24);
+}
+
 void
 Time::set (double seconds, int tcr_)
 {
@@ -248,3 +253,9 @@ Time::to_editable_units (int tcr_) const
 {
 	return (int64_t(e) * float (tcr_ / tcr)) + int64_t(s) * tcr_ + int64_t(m) * 60 * tcr_ + int64_t(h) * 60 * 60 * tcr_;
 }
+
+double
+Time::to_seconds () const
+{
+	return h * 3600 + m * 60 + s + double(e) / tcr;
+}
diff --git a/src/dcp_time.h b/src/dcp_time.h
index 23f860cf..c7391e63 100644
--- a/src/dcp_time.h
+++ b/src/dcp_time.h
@@ -59,6 +59,8 @@ public:
 		, tcr (tcr_)
 	{}
 
+	Time (double seconds);
+
 	Time (std::string time, int tcr);
 
 	int h; ///<   hours
@@ -68,6 +70,7 @@ public:
 	int tcr; ///< timecode rate: the number of editable units per second.
 
 	std::string to_string () const;
+	double to_seconds () const;
 	int64_t to_editable_units (int tcr_) const;
 
 private: