2 Copyright (C) 2014-2015 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 "dcp_content.h"
21 #include "dcp_examiner.h"
25 #include "compose.hpp"
26 #include "dcp_decoder.h"
28 #include <dcp/exceptions.h>
29 #include <dcp/reel_picture_asset.h>
31 #include <libxml++/libxml++.h>
32 #include <boost/foreach.hpp>
43 using boost::shared_ptr;
44 using boost::optional;
46 int const DCPContentProperty::CAN_BE_PLAYED = 600;
47 int const DCPContentProperty::REFERENCE_VIDEO = 601;
48 int const DCPContentProperty::REFERENCE_AUDIO = 602;
49 int const DCPContentProperty::REFERENCE_SUBTITLE = 603;
51 DCPContent::DCPContent (shared_ptr<const Film> film, boost::filesystem::path p)
54 , SingleStreamAudioContent (film)
55 , SubtitleContent (film)
56 , _has_subtitles (false)
59 , _reference_video (false)
60 , _reference_audio (false)
61 , _reference_subtitle (false)
66 DCPContent::DCPContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version)
67 : Content (film, node)
68 , VideoContent (film, node, version)
69 , SingleStreamAudioContent (film, node, version)
70 , SubtitleContent (film, node, version)
72 _name = node->string_child ("Name");
73 _has_subtitles = node->bool_child ("HasSubtitles");
74 _encrypted = node->bool_child ("Encrypted");
75 if (node->optional_node_child ("KDM")) {
76 _kdm = dcp::EncryptedKDM (node->string_child ("KDM"));
78 _kdm_valid = node->bool_child ("KDMValid");
79 _reference_video = node->optional_bool_child ("ReferenceVideo").get_value_or (false);
80 _reference_audio = node->optional_bool_child ("ReferenceAudio").get_value_or (false);
81 _reference_subtitle = node->optional_bool_child ("ReferenceSubtitle").get_value_or (false);
85 DCPContent::read_directory (boost::filesystem::path p)
87 for (boost::filesystem::directory_iterator i(p); i != boost::filesystem::directory_iterator(); ++i) {
88 if (boost::filesystem::is_regular_file (i->path ())) {
89 _paths.push_back (i->path ());
90 } else if (boost::filesystem::is_directory (i->path ())) {
91 read_directory (i->path ());
97 DCPContent::examine (shared_ptr<Job> job)
99 bool const could_be_played = can_be_played ();
101 job->set_progress_unknown ();
102 Content::examine (job);
104 shared_ptr<DCPExaminer> examiner (new DCPExaminer (shared_from_this ()));
105 take_from_video_examiner (examiner);
106 take_from_audio_examiner (examiner);
109 boost::mutex::scoped_lock lm (_mutex);
110 _name = examiner->name ();
111 _has_subtitles = examiner->has_subtitles ();
112 _encrypted = examiner->encrypted ();
113 _kdm_valid = examiner->kdm_valid ();
116 if (could_be_played != can_be_played ()) {
117 signal_changed (DCPContentProperty::CAN_BE_PLAYED);
122 DCPContent::summary () const
124 boost::mutex::scoped_lock lm (_mutex);
125 return String::compose (_("%1 [DCP]"), _name);
129 DCPContent::technical_summary () const
131 return Content::technical_summary() + " - "
132 + VideoContent::technical_summary() + " - "
133 + AudioContent::technical_summary() + " - ";
137 DCPContent::as_xml (xmlpp::Node* node) const
139 node->add_child("Type")->add_child_text ("DCP");
141 Content::as_xml (node);
142 VideoContent::as_xml (node);
143 SingleStreamAudioContent::as_xml (node);
144 SubtitleContent::as_xml (node);
146 boost::mutex::scoped_lock lm (_mutex);
147 node->add_child("Name")->add_child_text (_name);
148 node->add_child("HasSubtitles")->add_child_text (_has_subtitles ? "1" : "0");
149 node->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
151 node->add_child("KDM")->add_child_text (_kdm->as_xml ());
153 node->add_child("KDMValid")->add_child_text (_kdm_valid ? "1" : "0");
154 node->add_child("ReferenceVideo")->add_child_text (_reference_video ? "1" : "0");
155 node->add_child("ReferenceAudio")->add_child_text (_reference_audio ? "1" : "0");
156 node->add_child("ReferenceSubtitle")->add_child_text (_reference_subtitle ? "1" : "0");
160 DCPContent::full_length () const
162 shared_ptr<const Film> film = _film.lock ();
163 DCPOMATIC_ASSERT (film);
164 FrameRateChange const frc (video_frame_rate (), film->video_frame_rate ());
165 return DCPTime::from_frames (llrint (video_length () * frc.factor ()), film->video_frame_rate ());
169 DCPContent::identifier () const
172 s << VideoContent::identifier() << "_" << SubtitleContent::identifier () << " "
173 << (_reference_video ? "1" : "0")
174 << (_reference_subtitle ? "1" : "0");
179 DCPContent::add_kdm (dcp::EncryptedKDM k)
185 DCPContent::can_be_played () const
187 boost::mutex::scoped_lock lm (_mutex);
188 return !_encrypted || _kdm_valid;
191 boost::filesystem::path
192 DCPContent::directory () const
194 optional<size_t> smallest;
195 boost::filesystem::path dir;
196 for (size_t i = 0; i < number_of_paths(); ++i) {
197 boost::filesystem::path const p = path (i).parent_path ();
198 size_t const d = distance (p.begin(), p.end());
199 if (!smallest || d < smallest.get ()) {
208 DCPContent::add_properties (list<pair<string, string> >& p) const
210 SingleStreamAudioContent::add_properties (p);
214 DCPContent::set_default_colour_conversion ()
216 /* Default to no colour conversion for DCPs */
217 unset_colour_conversion ();
221 DCPContent::set_reference_video (bool r)
224 boost::mutex::scoped_lock lm (_mutex);
225 _reference_video = r;
228 signal_changed (DCPContentProperty::REFERENCE_VIDEO);
232 DCPContent::set_reference_audio (bool r)
235 boost::mutex::scoped_lock lm (_mutex);
236 _reference_audio = r;
239 signal_changed (DCPContentProperty::REFERENCE_AUDIO);
243 DCPContent::set_reference_subtitle (bool r)
246 boost::mutex::scoped_lock lm (_mutex);
247 _reference_subtitle = r;
250 signal_changed (DCPContentProperty::REFERENCE_SUBTITLE);
254 DCPContent::reel_split_points () const
257 DCPDecoder decoder (shared_from_this(), false);
258 DCPTime t = position();
260 shared_ptr<const Film> film = _film.lock ();
261 DCPOMATIC_ASSERT (film);
262 BOOST_FOREACH (shared_ptr<dcp::Reel> k, decoder.reels()) {
264 t += DCPTime::from_frames (k->main_picture()->duration(), film->video_frame_rate());