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"
32 using std::stringstream;
33 using boost::shared_ptr;
35 ImageContent::ImageContent (shared_ptr<const Film> f, boost::filesystem::path p)
39 if (boost::filesystem::is_regular_file (p)) {
42 for (boost::filesystem::directory_iterator i(p); i != boost::filesystem::directory_iterator(); ++i) {
43 if (boost::filesystem::is_regular_file (i->path()) && valid_image_file (i->path())) {
44 _paths.push_back (i->path ());
49 throw FileError (_("No valid image files were found in the folder."), p);
52 sort (_paths.begin(), _paths.end());
57 ImageContent::ImageContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node, int version)
59 , VideoContent (f, node, version)
65 ImageContent::summary () const
67 string s = path_summary () + " ";
68 /* Get the string() here so that the name does not have quotes around it */
72 s += _("[moving images]");
79 ImageContent::technical_summary () const
81 string s = Content::technical_summary() + " - "
82 + VideoContent::technical_summary() + " - ";
94 ImageContent::as_xml (xmlpp::Node* node) const
96 node->add_child("Type")->add_child_text ("Image");
97 Content::as_xml (node);
98 VideoContent::as_xml (node);
102 ImageContent::examine (shared_ptr<Job> job)
104 job->sub (_("Computing digest"));
105 Content::examine (job);
107 shared_ptr<const Film> film = _film.lock ();
110 shared_ptr<ImageExaminer> examiner (new ImageExaminer (film, shared_from_this(), job));
112 take_from_video_examiner (examiner);
113 set_video_length (examiner->video_length ());
117 ImageContent::set_video_length (VideoContent::Frame len)
120 boost::mutex::scoped_lock lm (_mutex);
124 signal_changed (ContentProperty::LENGTH);
128 ImageContent::full_length () const
130 shared_ptr<const Film> film = _film.lock ();
133 FrameRateConversion frc (video_frame_rate(), film->video_frame_rate ());
134 return video_length_after_3d_combine() * frc.factor() * TIME_HZ / video_frame_rate();
138 ImageContent::identifier () const
141 s << VideoContent::identifier ();
142 s << "_" << video_length();
147 ImageContent::still () const
149 return number_of_paths() == 1;
153 ImageContent::set_video_frame_rate (float r)
156 boost::mutex::scoped_lock lm (_mutex);
157 if (_video_frame_rate == r) {
161 _video_frame_rate = r;
164 signal_changed (VideoContentProperty::VIDEO_FRAME_RATE);