Support FCP XML files containing subtitles (#2909).

1 files changed, 108 insertions, 0 deletions

diff --git a/src/lib/fcpxml_content.cc b/src/lib/fcpxml_content.cc
new file mode 100644
index 000000000..94d1197df
--- /dev/null
+++ b/src/lib/fcpxml_content.cc
@@ -0,0 +1,108 @@
+/*
+    Copyright (C) 2024 Carl Hetherington <cth@carlh.net>
+
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    DCP-o-matic is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+
+#include "fcpxml.h"
+#include "fcpxml_content.h"
+#include "text_content.h"
+#include <dcp/raw_convert.h>
+
+#include "i18n.h"
+
+
+using std::list;
+using std::make_shared;
+using std::shared_ptr;
+using std::string;
+using boost::optional;
+
+
+FCPXMLContent::FCPXMLContent(boost::filesystem::path path)
+	: Content(path)
+{
+	text.push_back(make_shared<TextContent>(this, TextType::OPEN_SUBTITLE, TextType::OPEN_SUBTITLE));
+}
+
+
+FCPXMLContent::FCPXMLContent(cxml::ConstNodePtr node, optional<boost::filesystem::path> film_directory, int version, list<string>& notes)
+	: Content(node, film_directory)
+{
+	text = TextContent::from_xml(this, node, version, notes);
+}
+
+
+
+void
+FCPXMLContent::examine(shared_ptr<const Film> film, shared_ptr<Job> job)
+{
+	Content::examine(film, job);
+
+	auto sequence = dcpomatic::fcpxml::load(path(0));
+
+	boost::mutex::scoped_lock lm(_mutex);
+	only_text()->set_use(true);
+	if (!sequence.video.empty()) {
+		_length = sequence.video.back().period.to;
+	}
+}
+
+
+dcpomatic::DCPTime
+FCPXMLContent::full_length(shared_ptr<const Film> film) const
+{
+	FrameRateChange const frc(film, shared_from_this());
+	return { _length, frc };
+}
+
+
+dcpomatic::DCPTime
+FCPXMLContent::approximate_length() const
+{
+	return { _length, {} };
+}
+
+
+string
+FCPXMLContent::summary() const
+{
+	return path_summary() + " " + _("[subtitles]");
+}
+
+
+string
+FCPXMLContent::technical_summary() const
+{
+	return Content::technical_summary() + " - " + _("FCP XML subtitles");
+}
+
+
+void
+FCPXMLContent::as_xml(xmlpp::Element* element, bool with_paths, PathBehaviour path_behaviour, optional<boost::filesystem::path> film_directory) const
+{
+	cxml::add_child(element, "Type", "FCPXML");
+	Content::as_xml(element, with_paths, path_behaviour, film_directory);
+
+	if (only_text()) {
+		only_text()->as_xml(element);
+	}
+
+	cxml::add_child(element, "Length", dcp::raw_convert<string>(_length.get()));
+}
+