Basic if sketchy support for image sequences.

1 files changed, 113 insertions, 0 deletions

diff --git a/src/lib/moving_image_content.cc b/src/lib/moving_image_content.cc
new file mode 100644
index 000000000..30030d9fd
--- /dev/null
+++ b/src/lib/moving_image_content.cc
@@ -0,0 +1,113 @@
+/*
+    Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+
+    This program 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.
+
+    This program 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 this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <libcxml/cxml.h>
+#include "moving_image_content.h"
+#include "moving_image_examiner.h"
+#include "config.h"
+#include "compose.hpp"
+#include "film.h"
+
+#include "i18n.h"
+
+using std::string;
+using std::cout;
+using std::list;
+using std::stringstream;
+using std::vector;
+using boost::shared_ptr;
+
+MovingImageContent::MovingImageContent (shared_ptr<const Film> f, boost::filesystem::path p)
+	: Content (f, p)
+	, VideoContent (f, p)
+{
+
+}
+
+MovingImageContent::MovingImageContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
+	: Content (f, node)
+	, VideoContent (f, node)
+{
+	list<shared_ptr<cxml::Node> > c = node->node_children ("File");
+	for (list<shared_ptr<cxml::Node> >::const_iterator i = c.begin(); i != c.end(); ++i) {
+		_files.push_back ((*i)->content ());
+	}
+}
+
+string
+MovingImageContent::summary () const
+{
+	/* Get the string() here so that the name does not have quotes around it */
+	return String::compose (_("%1 [moving images]"), path().filename().string());
+}
+
+string
+MovingImageContent::technical_summary () const
+{
+	return Content::technical_summary() + " - "
+		+ VideoContent::technical_summary() + " - "
+		+ "moving";
+}
+
+void
+MovingImageContent::as_xml (xmlpp::Node* node) const
+{
+	node->add_child("Type")->add_child_text ("MovingImage");
+	Content::as_xml (node);
+	VideoContent::as_xml (node);
+
+	for (vector<boost::filesystem::path>::const_iterator i = _files.begin(); i != _files.end(); ++i) {
+		node->add_child("File")->add_child_text (i->filename().string());
+	}
+}
+
+void
+MovingImageContent::examine (shared_ptr<Job> job)
+{
+	Content::examine (job);
+
+	shared_ptr<const Film> film = _film.lock ();
+	assert (film);
+	
+	shared_ptr<MovingImageExaminer> examiner (new MovingImageExaminer (film, shared_from_this(), job));
+
+	take_from_video_examiner (examiner);
+
+	_video_length = examiner->files().size ();
+	_files = examiner->files ();
+}
+
+Time
+MovingImageContent::length () const
+{
+	shared_ptr<const Film> film = _film.lock ();
+	assert (film);
+
+	FrameRateConversion frc (video_frame_rate(), film->video_frame_rate ());
+	return video_length() * frc.factor() * TIME_HZ / video_frame_rate();
+}
+
+string
+MovingImageContent::identifier () const
+{
+	stringstream s;
+	s << VideoContent::identifier ();
+	s << "_" << video_length();
+	return s.str ();
+}