2 Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include <libcxml/cxml.h>
21 #include "image_content.h"
22 #include "image_examiner.h"
24 #include "compose.hpp"
27 #include "frame_rate_change.h"
33 using std::stringstream;
34 using boost::shared_ptr;
36 ImageContent::ImageContent (shared_ptr<const Film> f, boost::filesystem::path p)
40 if (boost::filesystem::is_regular_file (p)) {
43 for (boost::filesystem::directory_iterator i(p); i != boost::filesystem::directory_iterator(); ++i) {
44 if (boost::filesystem::is_regular_file (i->path()) && valid_image_file (i->path())) {
45 _paths.push_back (i->path ());
50 throw FileError (_("No valid image files were found in the folder."), p);
53 sort (_paths.begin(), _paths.end());
58 ImageContent::ImageContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node, int version)
60 , VideoContent (f, node, version)
66 ImageContent::summary () const
68 string s = path_summary () + " ";
69 /* Get the string() here so that the name does not have quotes around it */
73 s += _("[moving images]");
80 ImageContent::technical_summary () const
82 string s = Content::technical_summary() + " - "
83 + VideoContent::technical_summary() + " - ";
95 ImageContent::as_xml (xmlpp::Node* node) const
97 node->add_child("Type")->add_child_text ("Image");
98 Content::as_xml (node);
99 VideoContent::as_xml (node);
103 ImageContent::examine (shared_ptr<Job> job)
105 job->sub (_("Computing digest"));
106 Content::examine (job);
108 shared_ptr<const Film> film = _film.lock ();
111 shared_ptr<ImageExaminer> examiner (new ImageExaminer (film, shared_from_this(), job));
113 take_from_video_examiner (examiner);
114 set_video_length (examiner->video_length ());
118 ImageContent::set_video_length (VideoContent::Frame len)
121 boost::mutex::scoped_lock lm (_mutex);
125 signal_changed (ContentProperty::LENGTH);
129 ImageContent::full_length () const
131 shared_ptr<const Film> film = _film.lock ();
134 FrameRateChange frc (video_frame_rate(), film->video_frame_rate ());
135 return video_length_after_3d_combine() * frc.factor() * TIME_HZ / video_frame_rate();
139 ImageContent::identifier () const
142 s << VideoContent::identifier ();
143 s << "_" << video_length();
148 ImageContent::still () const
150 return number_of_paths() == 1;
154 ImageContent::set_video_frame_rate (float r)
157 boost::mutex::scoped_lock lm (_mutex);
158 if (_video_frame_rate == r) {
162 _video_frame_rate = r;
165 signal_changed (VideoContentProperty::VIDEO_FRAME_RATE);