2 Copyright (C) 2014-2016 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 "video_content.h"
22 #include "dcp_examiner.h"
27 #include "compose.hpp"
28 #include "dcp_decoder.h"
29 #include "subtitle_content.h"
31 #include <dcp/exceptions.h>
32 #include <dcp/reel_picture_asset.h>
34 #include <libxml++/libxml++.h>
35 #include <boost/foreach.hpp>
47 using boost::shared_ptr;
48 using boost::scoped_ptr;
49 using boost::optional;
51 int const DCPContentProperty::CAN_BE_PLAYED = 600;
52 int const DCPContentProperty::REFERENCE_VIDEO = 601;
53 int const DCPContentProperty::REFERENCE_AUDIO = 602;
54 int const DCPContentProperty::REFERENCE_SUBTITLE = 603;
56 DCPContent::DCPContent (shared_ptr<const Film> film, boost::filesystem::path p)
59 , _has_subtitles (false)
62 , _reference_video (false)
63 , _reference_audio (false)
64 , _reference_subtitle (false)
66 video.reset (new VideoContent (this, film));
67 subtitle.reset (new SubtitleContent (this, film));
70 set_default_colour_conversion ();
73 DCPContent::DCPContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version)
74 : Content (film, node)
75 , AudioContent (film, node)
76 , _audio_stream (new AudioStream (node->number_child<int> ("AudioFrameRate"), AudioMapping (node->node_child ("AudioMapping"), version)))
78 video.reset (new VideoContent (this, film, node, version));
79 subtitle.reset (new SubtitleContent (this, film, node, version));
81 _name = node->string_child ("Name");
82 _has_subtitles = node->bool_child ("HasSubtitles");
83 _encrypted = node->bool_child ("Encrypted");
84 if (node->optional_node_child ("KDM")) {
85 _kdm = dcp::EncryptedKDM (node->string_child ("KDM"));
87 _kdm_valid = node->bool_child ("KDMValid");
88 _reference_video = node->optional_bool_child ("ReferenceVideo").get_value_or (false);
89 _reference_audio = node->optional_bool_child ("ReferenceAudio").get_value_or (false);
90 _reference_subtitle = node->optional_bool_child ("ReferenceSubtitle").get_value_or (false);
94 DCPContent::read_directory (boost::filesystem::path p)
96 for (boost::filesystem::directory_iterator i(p); i != boost::filesystem::directory_iterator(); ++i) {
97 if (boost::filesystem::is_regular_file (i->path ())) {
98 _paths.push_back (i->path ());
99 } else if (boost::filesystem::is_directory (i->path ())) {
100 read_directory (i->path ());
106 DCPContent::examine (shared_ptr<Job> job)
108 bool const could_be_played = can_be_played ();
110 job->set_progress_unknown ();
111 Content::examine (job);
113 shared_ptr<DCPExaminer> examiner (new DCPExaminer (shared_from_this ()));
114 video->take_from_video_examiner (examiner);
115 set_default_colour_conversion ();
118 boost::mutex::scoped_lock lm (_mutex);
119 _audio_stream.reset (new AudioStream (examiner->audio_frame_rate(), examiner->audio_channels ()));
120 AudioMapping m = _audio_stream->mapping ();
121 film()->make_audio_mapping_default (m);
122 _audio_stream->set_mapping (m);
125 signal_changed (AudioContentProperty::AUDIO_STREAMS);
128 boost::mutex::scoped_lock lm (_mutex);
129 _name = examiner->name ();
130 _has_subtitles = examiner->has_subtitles ();
131 _encrypted = examiner->encrypted ();
132 _kdm_valid = examiner->kdm_valid ();
135 if (could_be_played != can_be_played ()) {
136 signal_changed (DCPContentProperty::CAN_BE_PLAYED);
141 DCPContent::summary () const
143 boost::mutex::scoped_lock lm (_mutex);
144 return String::compose (_("%1 [DCP]"), _name);
148 DCPContent::technical_summary () const
150 return Content::technical_summary() + " - "
151 + video->technical_summary() + " - "
152 + AudioContent::technical_summary() + " - ";
156 DCPContent::as_xml (xmlpp::Node* node) const
158 node->add_child("Type")->add_child_text ("DCP");
160 Content::as_xml (node);
161 video->as_xml (node);
162 AudioContent::as_xml (node);
163 node->add_child("AudioFrameRate")->add_child_text (raw_convert<string> (audio_stream()->frame_rate ()));
164 audio_stream()->mapping().as_xml (node->add_child("AudioMapping"));
165 subtitle->as_xml (node);
167 boost::mutex::scoped_lock lm (_mutex);
168 node->add_child("Name")->add_child_text (_name);
169 node->add_child("HasSubtitles")->add_child_text (_has_subtitles ? "1" : "0");
170 node->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
172 node->add_child("KDM")->add_child_text (_kdm->as_xml ());
174 node->add_child("KDMValid")->add_child_text (_kdm_valid ? "1" : "0");
175 node->add_child("ReferenceVideo")->add_child_text (_reference_video ? "1" : "0");
176 node->add_child("ReferenceAudio")->add_child_text (_reference_audio ? "1" : "0");
177 node->add_child("ReferenceSubtitle")->add_child_text (_reference_subtitle ? "1" : "0");
181 DCPContent::full_length () const
183 FrameRateChange const frc (video->video_frame_rate (), film()->video_frame_rate ());
184 return DCPTime::from_frames (llrint (video->video_length () * frc.factor ()), film()->video_frame_rate ());
188 DCPContent::identifier () const
191 s << Content::identifier() << "_" << video->identifier() << "_" << subtitle->identifier () << " "
192 << (_reference_video ? "1" : "0")
193 << (_reference_subtitle ? "1" : "0");
198 DCPContent::add_kdm (dcp::EncryptedKDM k)
204 DCPContent::can_be_played () const
206 boost::mutex::scoped_lock lm (_mutex);
207 return !_encrypted || _kdm_valid;
210 boost::filesystem::path
211 DCPContent::directory () const
213 optional<size_t> smallest;
214 boost::filesystem::path dir;
215 for (size_t i = 0; i < number_of_paths(); ++i) {
216 boost::filesystem::path const p = path (i).parent_path ();
217 size_t const d = distance (p.begin(), p.end());
218 if (!smallest || d < smallest.get ()) {
227 DCPContent::add_properties (list<UserProperty>& p) const
229 AudioContent::add_properties (p);
233 DCPContent::set_default_colour_conversion ()
235 /* Default to no colour conversion for DCPs */
236 video->unset_colour_conversion ();
240 DCPContent::set_reference_video (bool r)
243 boost::mutex::scoped_lock lm (_mutex);
244 _reference_video = r;
247 signal_changed (DCPContentProperty::REFERENCE_VIDEO);
251 DCPContent::set_reference_audio (bool r)
254 boost::mutex::scoped_lock lm (_mutex);
255 _reference_audio = r;
258 signal_changed (DCPContentProperty::REFERENCE_AUDIO);
262 DCPContent::set_reference_subtitle (bool r)
265 boost::mutex::scoped_lock lm (_mutex);
266 _reference_subtitle = r;
269 signal_changed (DCPContentProperty::REFERENCE_SUBTITLE);
273 DCPContent::reels () const
275 list<DCPTimePeriod> p;
276 scoped_ptr<DCPDecoder> decoder;
278 decoder.reset (new DCPDecoder (shared_from_this(), film()->log(), false));
280 /* Could not load the DCP; guess reels */
281 list<DCPTimePeriod> p;
282 p.push_back (DCPTimePeriod (position(), end()));
286 DCPTime from = position ();
287 BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder->reels()) {
288 DCPTime const to = from + DCPTime::from_frames (i->main_picture()->duration(), film()->video_frame_rate());
289 p.push_back (DCPTimePeriod (from, to));
297 DCPContent::reel_split_points () const
300 BOOST_FOREACH (DCPTimePeriod i, reels()) {
301 s.push_back (i.from);
308 DCPContent::can_reference (string overlapping, list<string>& why_not) const
310 list<DCPTimePeriod> const fr = film()->reels ();
311 /* fr must contain reels(). It can also contain other reels, but it must at
312 least contain reels().
314 BOOST_FOREACH (DCPTimePeriod i, reels()) {
315 if (find (fr.begin(), fr.end(), i) == fr.end ()) {
316 why_not.push_back (_("Reel lengths in the project differ from those in the DCP; set the reel mode to 'split by video content'."));
321 list<shared_ptr<T> > a = overlaps<T> (film()->content(), position(), end());
322 if (a.size() != 1 || a.front().get() != this) {
323 why_not.push_back (overlapping);
331 DCPContent::can_reference_video (list<string>& why_not) const
333 /* XXX: this needs to be fixed */
338 DCPContent::can_reference_audio (list<string>& why_not) const
340 DCPDecoder decoder (shared_from_this(), film()->log(), false);
341 BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder.reels()) {
342 if (!i->main_sound()) {
343 why_not.push_back (_("The DCP does not have sound in all reels."));
348 return can_reference<AudioContent> (_("There is other audio content overlapping this DCP; remove it."), why_not);
352 DCPContent::can_reference_subtitle (list<string>& why_not) const
354 /* XXX: this needs to be fixed */
359 DCPContent::subtitle_video_frame_rate () const
361 return video->video_frame_rate ();
364 vector<AudioStreamPtr>
365 DCPContent::audio_streams () const
367 vector<AudioStreamPtr> s;
368 s.push_back (_audio_stream);