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"
26 #include "compose.hpp"
27 #include "dcp_decoder.h"
29 #include <dcp/exceptions.h>
30 #include <dcp/reel_picture_asset.h>
32 #include <libxml++/libxml++.h>
33 #include <boost/foreach.hpp>
44 using boost::shared_ptr;
45 using boost::optional;
47 int const DCPContentProperty::CAN_BE_PLAYED = 600;
48 int const DCPContentProperty::REFERENCE_VIDEO = 601;
49 int const DCPContentProperty::REFERENCE_AUDIO = 602;
50 int const DCPContentProperty::REFERENCE_SUBTITLE = 603;
52 DCPContent::DCPContent (shared_ptr<const Film> film, boost::filesystem::path p)
55 , SingleStreamAudioContent (film)
56 , SubtitleContent (film)
57 , _has_subtitles (false)
60 , _reference_video (false)
61 , _reference_audio (false)
62 , _reference_subtitle (false)
67 DCPContent::DCPContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version)
68 : Content (film, node)
69 , VideoContent (film, node, version)
70 , SingleStreamAudioContent (film, node, version)
71 , SubtitleContent (film, node, version)
73 _name = node->string_child ("Name");
74 _has_subtitles = node->bool_child ("HasSubtitles");
75 _encrypted = node->bool_child ("Encrypted");
76 if (node->optional_node_child ("KDM")) {
77 _kdm = dcp::EncryptedKDM (node->string_child ("KDM"));
79 _kdm_valid = node->bool_child ("KDMValid");
80 _reference_video = node->optional_bool_child ("ReferenceVideo").get_value_or (false);
81 _reference_audio = node->optional_bool_child ("ReferenceAudio").get_value_or (false);
82 _reference_subtitle = node->optional_bool_child ("ReferenceSubtitle").get_value_or (false);
86 DCPContent::read_directory (boost::filesystem::path p)
88 for (boost::filesystem::directory_iterator i(p); i != boost::filesystem::directory_iterator(); ++i) {
89 if (boost::filesystem::is_regular_file (i->path ())) {
90 _paths.push_back (i->path ());
91 } else if (boost::filesystem::is_directory (i->path ())) {
92 read_directory (i->path ());
98 DCPContent::examine (shared_ptr<Job> job)
100 bool const could_be_played = can_be_played ();
102 job->set_progress_unknown ();
103 Content::examine (job);
105 shared_ptr<DCPExaminer> examiner (new DCPExaminer (shared_from_this ()));
106 take_from_video_examiner (examiner);
107 take_from_audio_examiner (examiner);
110 boost::mutex::scoped_lock lm (_mutex);
111 _name = examiner->name ();
112 _has_subtitles = examiner->has_subtitles ();
113 _encrypted = examiner->encrypted ();
114 _kdm_valid = examiner->kdm_valid ();
117 if (could_be_played != can_be_played ()) {
118 signal_changed (DCPContentProperty::CAN_BE_PLAYED);
123 DCPContent::summary () const
125 boost::mutex::scoped_lock lm (_mutex);
126 return String::compose (_("%1 [DCP]"), _name);
130 DCPContent::technical_summary () const
132 return Content::technical_summary() + " - "
133 + VideoContent::technical_summary() + " - "
134 + AudioContent::technical_summary() + " - ";
138 DCPContent::as_xml (xmlpp::Node* node) const
140 node->add_child("Type")->add_child_text ("DCP");
142 Content::as_xml (node);
143 VideoContent::as_xml (node);
144 SingleStreamAudioContent::as_xml (node);
145 SubtitleContent::as_xml (node);
147 boost::mutex::scoped_lock lm (_mutex);
148 node->add_child("Name")->add_child_text (_name);
149 node->add_child("HasSubtitles")->add_child_text (_has_subtitles ? "1" : "0");
150 node->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
152 node->add_child("KDM")->add_child_text (_kdm->as_xml ());
154 node->add_child("KDMValid")->add_child_text (_kdm_valid ? "1" : "0");
155 node->add_child("ReferenceVideo")->add_child_text (_reference_video ? "1" : "0");
156 node->add_child("ReferenceAudio")->add_child_text (_reference_audio ? "1" : "0");
157 node->add_child("ReferenceSubtitle")->add_child_text (_reference_subtitle ? "1" : "0");
161 DCPContent::full_length () const
163 shared_ptr<const Film> film = _film.lock ();
164 DCPOMATIC_ASSERT (film);
165 FrameRateChange const frc (video_frame_rate (), film->video_frame_rate ());
166 return DCPTime::from_frames (llrint (video_length () * frc.factor ()), film->video_frame_rate ());
170 DCPContent::identifier () const
173 s << VideoContent::identifier() << "_" << SubtitleContent::identifier () << " "
174 << (_reference_video ? "1" : "0")
175 << (_reference_subtitle ? "1" : "0");
180 DCPContent::add_kdm (dcp::EncryptedKDM k)
186 DCPContent::can_be_played () const
188 boost::mutex::scoped_lock lm (_mutex);
189 return !_encrypted || _kdm_valid;
192 boost::filesystem::path
193 DCPContent::directory () const
195 optional<size_t> smallest;
196 boost::filesystem::path dir;
197 for (size_t i = 0; i < number_of_paths(); ++i) {
198 boost::filesystem::path const p = path (i).parent_path ();
199 size_t const d = distance (p.begin(), p.end());
200 if (!smallest || d < smallest.get ()) {
209 DCPContent::add_properties (list<pair<string, string> >& p) const
211 SingleStreamAudioContent::add_properties (p);
215 DCPContent::set_default_colour_conversion ()
217 /* Default to no colour conversion for DCPs */
218 unset_colour_conversion ();
222 DCPContent::set_reference_video (bool r)
225 boost::mutex::scoped_lock lm (_mutex);
226 _reference_video = r;
229 signal_changed (DCPContentProperty::REFERENCE_VIDEO);
233 DCPContent::set_reference_audio (bool r)
236 boost::mutex::scoped_lock lm (_mutex);
237 _reference_audio = r;
240 signal_changed (DCPContentProperty::REFERENCE_AUDIO);
244 DCPContent::set_reference_subtitle (bool r)
247 boost::mutex::scoped_lock lm (_mutex);
248 _reference_subtitle = r;
251 signal_changed (DCPContentProperty::REFERENCE_SUBTITLE);
255 DCPContent::reels () const
257 list<DCPTimePeriod> p;
258 DCPDecoder decoder (shared_from_this(), false);
260 shared_ptr<const Film> film = _film.lock ();
261 DCPOMATIC_ASSERT (film);
262 DCPTime from = position ();
263 BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder.reels()) {
264 DCPTime const to = from + DCPTime::from_frames (i->main_picture()->duration(), film->video_frame_rate());
265 p.push_back (DCPTimePeriod (from, to));
273 DCPContent::reel_split_points () const
276 BOOST_FOREACH (DCPTimePeriod i, reels()) {
277 s.push_back (i.from);
284 DCPContent::can_reference (string overlapping, list<string>& why_not) const
286 shared_ptr<const Film> film = _film.lock ();
287 DCPOMATIC_ASSERT (film);
289 list<DCPTimePeriod> const fr = film->reels ();
290 /* fr must contain reels(). It can also contain other reels, but it must at
291 least contain reels().
293 BOOST_FOREACH (DCPTimePeriod i, reels()) {
294 if (find (fr.begin(), fr.end(), i) == fr.end ()) {
295 why_not.push_back (_("Reel lengths in the project differ from those in the DCP; set the reel mode to `split by video content'."));
300 list<shared_ptr<T> > a = overlaps<T> (film->content(), position(), end());
301 if (a.size() != 1 || a.front().get() != this) {
302 why_not.push_back (overlapping);
310 DCPContent::can_reference_video (list<string>& why_not) const
312 return can_reference<VideoContent> (_("There is other video content overlapping this DCP; remove it."), why_not);
316 DCPContent::can_reference_audio (list<string>& why_not) const
318 return can_reference<AudioContent> (_("There is other audio content overlapping this DCP; remove it."), why_not);
322 DCPContent::can_reference_subtitle (list<string>& why_not) const
324 return can_reference<SubtitleContent> (_("There is other subtitle content overlapping this DCP; remove it."), why_not);