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>
46 using boost::shared_ptr;
47 using boost::scoped_ptr;
48 using boost::optional;
50 int const DCPContentProperty::CAN_BE_PLAYED = 600;
51 int const DCPContentProperty::REFERENCE_VIDEO = 601;
52 int const DCPContentProperty::REFERENCE_AUDIO = 602;
53 int const DCPContentProperty::REFERENCE_SUBTITLE = 603;
55 DCPContent::DCPContent (shared_ptr<const Film> film, boost::filesystem::path p)
57 , SingleStreamAudioContent (film)
58 , _has_subtitles (false)
61 , _reference_video (false)
62 , _reference_audio (false)
63 , _reference_subtitle (false)
65 video.reset (new VideoContent (this, film));
66 subtitle.reset (new SubtitleContent (this, film));
69 set_default_colour_conversion ();
72 DCPContent::DCPContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version)
73 : Content (film, node)
74 , SingleStreamAudioContent (film, node, version)
76 video.reset (new VideoContent (this, film, node, version));
77 subtitle.reset (new SubtitleContent (this, film, node, version));
79 _name = node->string_child ("Name");
80 _has_subtitles = node->bool_child ("HasSubtitles");
81 _encrypted = node->bool_child ("Encrypted");
82 if (node->optional_node_child ("KDM")) {
83 _kdm = dcp::EncryptedKDM (node->string_child ("KDM"));
85 _kdm_valid = node->bool_child ("KDMValid");
86 _reference_video = node->optional_bool_child ("ReferenceVideo").get_value_or (false);
87 _reference_audio = node->optional_bool_child ("ReferenceAudio").get_value_or (false);
88 _reference_subtitle = node->optional_bool_child ("ReferenceSubtitle").get_value_or (false);
92 DCPContent::read_directory (boost::filesystem::path p)
94 for (boost::filesystem::directory_iterator i(p); i != boost::filesystem::directory_iterator(); ++i) {
95 if (boost::filesystem::is_regular_file (i->path ())) {
96 _paths.push_back (i->path ());
97 } else if (boost::filesystem::is_directory (i->path ())) {
98 read_directory (i->path ());
104 DCPContent::examine (shared_ptr<Job> job)
106 bool const could_be_played = can_be_played ();
108 job->set_progress_unknown ();
109 Content::examine (job);
111 shared_ptr<DCPExaminer> examiner (new DCPExaminer (shared_from_this ()));
112 video->take_from_video_examiner (examiner);
113 set_default_colour_conversion ();
114 take_from_audio_examiner (examiner);
117 boost::mutex::scoped_lock lm (_mutex);
118 _name = examiner->name ();
119 _has_subtitles = examiner->has_subtitles ();
120 _encrypted = examiner->encrypted ();
121 _kdm_valid = examiner->kdm_valid ();
124 if (could_be_played != can_be_played ()) {
125 signal_changed (DCPContentProperty::CAN_BE_PLAYED);
130 DCPContent::summary () const
132 boost::mutex::scoped_lock lm (_mutex);
133 return String::compose (_("%1 [DCP]"), _name);
137 DCPContent::technical_summary () const
139 return Content::technical_summary() + " - "
140 + video->technical_summary() + " - "
141 + AudioContent::technical_summary() + " - ";
145 DCPContent::as_xml (xmlpp::Node* node) const
147 node->add_child("Type")->add_child_text ("DCP");
149 Content::as_xml (node);
150 video->as_xml (node);
151 SingleStreamAudioContent::as_xml (node);
152 subtitle->as_xml (node);
154 boost::mutex::scoped_lock lm (_mutex);
155 node->add_child("Name")->add_child_text (_name);
156 node->add_child("HasSubtitles")->add_child_text (_has_subtitles ? "1" : "0");
157 node->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
159 node->add_child("KDM")->add_child_text (_kdm->as_xml ());
161 node->add_child("KDMValid")->add_child_text (_kdm_valid ? "1" : "0");
162 node->add_child("ReferenceVideo")->add_child_text (_reference_video ? "1" : "0");
163 node->add_child("ReferenceAudio")->add_child_text (_reference_audio ? "1" : "0");
164 node->add_child("ReferenceSubtitle")->add_child_text (_reference_subtitle ? "1" : "0");
168 DCPContent::full_length () const
170 FrameRateChange const frc (video->video_frame_rate (), film()->video_frame_rate ());
171 return DCPTime::from_frames (llrint (video->video_length () * frc.factor ()), film()->video_frame_rate ());
175 DCPContent::identifier () const
178 s << Content::identifier() << "_" << video->identifier() << "_" << subtitle->identifier () << " "
179 << (_reference_video ? "1" : "0")
180 << (_reference_subtitle ? "1" : "0");
185 DCPContent::add_kdm (dcp::EncryptedKDM k)
191 DCPContent::can_be_played () const
193 boost::mutex::scoped_lock lm (_mutex);
194 return !_encrypted || _kdm_valid;
197 boost::filesystem::path
198 DCPContent::directory () const
200 optional<size_t> smallest;
201 boost::filesystem::path dir;
202 for (size_t i = 0; i < number_of_paths(); ++i) {
203 boost::filesystem::path const p = path (i).parent_path ();
204 size_t const d = distance (p.begin(), p.end());
205 if (!smallest || d < smallest.get ()) {
214 DCPContent::add_properties (list<UserProperty>& p) const
216 SingleStreamAudioContent::add_properties (p);
220 DCPContent::set_default_colour_conversion ()
222 /* Default to no colour conversion for DCPs */
223 video->unset_colour_conversion ();
227 DCPContent::set_reference_video (bool r)
230 boost::mutex::scoped_lock lm (_mutex);
231 _reference_video = r;
234 signal_changed (DCPContentProperty::REFERENCE_VIDEO);
238 DCPContent::set_reference_audio (bool r)
241 boost::mutex::scoped_lock lm (_mutex);
242 _reference_audio = r;
245 signal_changed (DCPContentProperty::REFERENCE_AUDIO);
249 DCPContent::set_reference_subtitle (bool r)
252 boost::mutex::scoped_lock lm (_mutex);
253 _reference_subtitle = r;
256 signal_changed (DCPContentProperty::REFERENCE_SUBTITLE);
260 DCPContent::reels () const
262 list<DCPTimePeriod> p;
263 scoped_ptr<DCPDecoder> decoder;
265 decoder.reset (new DCPDecoder (shared_from_this(), film()->log(), false));
267 /* Could not load the DCP; guess reels */
268 list<DCPTimePeriod> p;
269 p.push_back (DCPTimePeriod (position(), end()));
273 DCPTime from = position ();
274 BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder->reels()) {
275 DCPTime const to = from + DCPTime::from_frames (i->main_picture()->duration(), film()->video_frame_rate());
276 p.push_back (DCPTimePeriod (from, to));
284 DCPContent::reel_split_points () const
287 BOOST_FOREACH (DCPTimePeriod i, reels()) {
288 s.push_back (i.from);
295 DCPContent::can_reference (string overlapping, list<string>& why_not) const
297 list<DCPTimePeriod> const fr = film()->reels ();
298 /* fr must contain reels(). It can also contain other reels, but it must at
299 least contain reels().
301 BOOST_FOREACH (DCPTimePeriod i, reels()) {
302 if (find (fr.begin(), fr.end(), i) == fr.end ()) {
303 why_not.push_back (_("Reel lengths in the project differ from those in the DCP; set the reel mode to 'split by video content'."));
308 list<shared_ptr<T> > a = overlaps<T> (film()->content(), position(), end());
309 if (a.size() != 1 || a.front().get() != this) {
310 why_not.push_back (overlapping);
318 DCPContent::can_reference_video (list<string>& why_not) const
320 /* XXX: this needs to be fixed */
325 DCPContent::can_reference_audio (list<string>& why_not) const
327 DCPDecoder decoder (shared_from_this(), film()->log(), false);
328 BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder.reels()) {
329 if (!i->main_sound()) {
330 why_not.push_back (_("The DCP does not have sound in all reels."));
335 return can_reference<AudioContent> (_("There is other audio content overlapping this DCP; remove it."), why_not);
339 DCPContent::can_reference_subtitle (list<string>& why_not) const
341 /* XXX: this needs to be fixed */
346 DCPContent::subtitle_video_frame_rate () const
348 return video->video_frame_rate ();