When doing jump-to-selected jump to the first subtitle in TextSubtitleContent (#1160).

[dcpomatic.git] / src / lib / text_subtitle.cc

diff --git a/src/lib/text_subtitle.cc b/src/lib/text_subtitle.cc
index 0f5e055cfc781180069506e8c05fe0ecdf8e3e37..2de815459b8ae1f35550f9eaf2053ec460de3f9b 100644 (file)
--- a/src/lib/text_subtitle.cc
+++ b/src/lib/text_subtitle.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2014-2016 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2014-2018 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -36,6 +36,7 @@ using std::cout;
 using std::string;
 using boost::shared_ptr;
 using boost::scoped_array;
+using boost::optional;
 using dcp::Data;
 
 TextSubtitle::TextSubtitle (shared_ptr<const TextSubtitleContent> content)
@@ -85,6 +86,17 @@ TextSubtitle::TextSubtitle (shared_ptr<const TextSubtitleContent> content)
        delete reader;
 }
 
+/** @return time of first subtitle, if there is one */
+optional<ContentTime>
+TextSubtitle::first () const
+{
+       if (_subtitles.empty()) {
+               return optional<ContentTime>();
+       }
+
+       return ContentTime::from_seconds(_subtitles[0].from.all_as_seconds());
+}
+
 ContentTime
 TextSubtitle::length () const
 {