Add Time::all_as_seconds().

[libsub.git] / src / sub_time.cc

diff --git a/src/sub_time.cc b/src/sub_time.cc
index e304310677b4b6dc42542dbcbafa2481e52c72f2..3f4d1e984788cbda4a7ebe47e9d86adadef13d27 100644 (file)
--- 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 ();
+}