From c943bc82e8d585d85ca1b4832e258436fa7615ce Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sun, 12 Jan 2014 22:55:02 +0000
Subject: Some work on SubRip content length.

---
 src/lib/subrip.cc         | 11 +++++++++++
 src/lib/subrip.h          |  2 ++
 src/lib/subrip_content.cc | 12 +++++++++---
 src/lib/subrip_content.h  |  3 +++
 4 files changed, 25 insertions(+), 3 deletions(-)

(limited to 'src/lib')

diff --git a/src/lib/subrip.cc b/src/lib/subrip.cc
index 50931e12a..1fdadf87e 100644
--- a/src/lib/subrip.cc
+++ b/src/lib/subrip.cc
@@ -213,3 +213,14 @@ SubRip::convert_content (list<string> t)
 
 	return pieces;
 }
+
+Time
+SubRip::length () const
+{
+	boost::mutex::scoped_lock lm (_mutex);
+	if (_subtitles.empty ()) {
+		return 0;
+	}
+
+	return _subtitles.back().to;
+}
diff --git a/src/lib/subrip.h b/src/lib/subrip.h
index a8d8104c4..0f4fe5d29 100644
--- a/src/lib/subrip.h
+++ b/src/lib/subrip.h
@@ -29,6 +29,8 @@ class SubRip
 public:
 	SubRip (boost::shared_ptr<SubRipContent>);
 
+	Time length () const;
+
 private:
 	friend class subrip_time_test;
 	friend class subrip_coordinate_test;
diff --git a/src/lib/subrip_content.cc b/src/lib/subrip_content.cc
index 79a1d4999..74bba33ba 100644
--- a/src/lib/subrip_content.cc
+++ b/src/lib/subrip_content.cc
@@ -41,9 +41,12 @@ SubRipContent::SubRipContent (shared_ptr<const Film> film, shared_ptr<const cxml
 }
 
 void
-SubRipContent::examine (boost::shared_ptr<Job>)
+SubRipContent::examine (boost::shared_ptr<Job> job)
 {
-
+	Content::examine (job);
+	SubRip s (shared_from_this ());
+	boost::mutex::scoped_lock lm (_mutex);
+	_length = s.length ();
 }
 
 string
@@ -75,7 +78,10 @@ SubRipContent::as_xml (xmlpp::Node* node)
 Time
 SubRipContent::full_length () const
 {
-
+	/* XXX: this assumes that the timing of the SubRip file is appropriate
+	   for the DCP's frame rate.
+	*/
+	return _length;
 }
 
 string
diff --git a/src/lib/subrip_content.h b/src/lib/subrip_content.h
index 1551081b6..741e1a4c3 100644
--- a/src/lib/subrip_content.h
+++ b/src/lib/subrip_content.h
@@ -32,4 +32,7 @@ public:
 	void as_xml (xmlpp::Node *);
 	Time full_length () const;
 	std::string identifier () const;
+
+private:
+	Time _length;
 };
-- 
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