2 Copyright (C) 2014-2016 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
21 #include "dcp_content.h"
22 #include "video_content.h"
23 #include "audio_content.h"
24 #include "dcp_examiner.h"
29 #include "compose.hpp"
30 #include "dcp_decoder.h"
31 #include "subtitle_content.h"
33 #include <dcp/raw_convert.h>
34 #include <dcp/exceptions.h>
35 #include <dcp/reel_picture_asset.h>
37 #include <libxml++/libxml++.h>
38 #include <boost/foreach.hpp>
50 using boost::shared_ptr;
51 using boost::scoped_ptr;
52 using boost::optional;
53 using boost::function;
54 using dcp::raw_convert;
56 int const DCPContentProperty::CAN_BE_PLAYED = 600;
57 int const DCPContentProperty::REFERENCE_VIDEO = 601;
58 int const DCPContentProperty::REFERENCE_AUDIO = 602;
59 int const DCPContentProperty::REFERENCE_SUBTITLE = 603;
61 DCPContent::DCPContent (shared_ptr<const Film> film, boost::filesystem::path p)
65 , _reference_video (false)
66 , _reference_audio (false)
67 , _reference_subtitle (false)
70 video.reset (new VideoContent (this));
71 audio.reset (new AudioContent (this));
74 set_default_colour_conversion ();
77 DCPContent::DCPContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version)
78 : Content (film, node)
80 video = VideoContent::from_xml (this, node, version);
81 audio = AudioContent::from_xml (this, node, version);
82 subtitle = SubtitleContent::from_xml (this, node, version);
87 node->number_child<int> ("AudioFrameRate"),
88 /* AudioLength was not present in some old metadata versions */
89 node->optional_number_child<Frame>("AudioLength").get_value_or (
90 video->length() * node->number_child<int>("AudioFrameRate") / video_frame_rate().get()
92 AudioMapping (node->node_child ("AudioMapping"), version)
97 _name = node->string_child ("Name");
99 _encrypted = node->bool_child ("Encrypted");
100 if (node->optional_node_child ("KDM")) {
101 _kdm = dcp::EncryptedKDM (node->string_child ("KDM"));
103 _kdm_valid = node->bool_child ("KDMValid");
104 _reference_video = node->optional_bool_child ("ReferenceVideo").get_value_or (false);
105 _reference_audio = node->optional_bool_child ("ReferenceAudio").get_value_or (false);
106 _reference_subtitle = node->optional_bool_child ("ReferenceSubtitle").get_value_or (false);
107 if (node->optional_string_child("Standard")) {
108 string const s = node->optional_string_child("Standard").get();
109 if (s == "Interop") {
110 _standard = dcp::INTEROP;
111 } else if (s == "SMPTE") {
112 _standard = dcp::SMPTE;
114 DCPOMATIC_ASSERT (false);
117 _three_d = node->optional_bool_child("ThreeD").get_value_or (false);
121 DCPContent::read_directory (boost::filesystem::path p)
123 for (boost::filesystem::directory_iterator i(p); i != boost::filesystem::directory_iterator(); ++i) {
124 if (boost::filesystem::is_regular_file (i->path ())) {
125 _paths.push_back (i->path ());
126 } else if (boost::filesystem::is_directory (i->path ())) {
127 read_directory (i->path ());
133 DCPContent::examine (shared_ptr<Job> job)
135 bool const could_be_played = can_be_played ();
137 job->set_progress_unknown ();
138 Content::examine (job);
140 shared_ptr<DCPExaminer> examiner (new DCPExaminer (shared_from_this ()));
141 video->take_from_examiner (examiner);
142 set_default_colour_conversion ();
145 boost::mutex::scoped_lock lm (_mutex);
147 AudioStreamPtr as (new AudioStream (examiner->audio_frame_rate(), examiner->audio_length(), examiner->audio_channels()));
148 audio->set_stream (as);
149 AudioMapping m = as->mapping ();
150 film()->make_audio_mapping_default (m);
154 signal_changed (AudioContentProperty::STREAMS);
157 boost::mutex::scoped_lock lm (_mutex);
158 _name = examiner->name ();
159 if (examiner->has_subtitles ()) {
160 subtitle.reset (new SubtitleContent (this));
162 _encrypted = examiner->encrypted ();
163 _kdm_valid = examiner->kdm_valid ();
164 _standard = examiner->standard ();
165 _three_d = examiner->three_d ();
168 if (could_be_played != can_be_played ()) {
169 signal_changed (DCPContentProperty::CAN_BE_PLAYED);
172 video->set_frame_type (_three_d ? VIDEO_FRAME_TYPE_3D : VIDEO_FRAME_TYPE_2D);
176 DCPContent::summary () const
178 boost::mutex::scoped_lock lm (_mutex);
179 return String::compose (_("%1 [DCP]"), _name);
183 DCPContent::technical_summary () const
185 return Content::technical_summary() + " - "
186 + video->technical_summary() + " - "
187 + audio->technical_summary() + " - ";
191 DCPContent::as_xml (xmlpp::Node* node) const
193 node->add_child("Type")->add_child_text ("DCP");
195 Content::as_xml (node);
198 video->as_xml (node);
202 audio->as_xml (node);
203 node->add_child("AudioFrameRate")->add_child_text (raw_convert<string> (audio->stream()->frame_rate()));
204 node->add_child("AudioLength")->add_child_text (raw_convert<string> (audio->stream()->length()));
205 audio->stream()->mapping().as_xml (node->add_child("AudioMapping"));
209 subtitle->as_xml (node);
212 boost::mutex::scoped_lock lm (_mutex);
213 node->add_child("Name")->add_child_text (_name);
214 node->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
216 node->add_child("KDM")->add_child_text (_kdm->as_xml ());
218 node->add_child("KDMValid")->add_child_text (_kdm_valid ? "1" : "0");
219 node->add_child("ReferenceVideo")->add_child_text (_reference_video ? "1" : "0");
220 node->add_child("ReferenceAudio")->add_child_text (_reference_audio ? "1" : "0");
221 node->add_child("ReferenceSubtitle")->add_child_text (_reference_subtitle ? "1" : "0");
223 switch (_standard.get ()) {
225 node->add_child("Standard")->add_child_text ("Interop");
228 node->add_child("Standard")->add_child_text ("SMPTE");
231 DCPOMATIC_ASSERT (false);
234 node->add_child("ThreeD")->add_child_text (_three_d ? "1" : "0");
238 DCPContent::full_length () const
240 FrameRateChange const frc (active_video_frame_rate (), film()->video_frame_rate ());
241 return DCPTime::from_frames (llrint (video->length () * frc.factor ()), film()->video_frame_rate ());
245 DCPContent::identifier () const
247 string s = Content::identifier() + "_" + video->identifier() + "_";
249 s += subtitle->identifier () + " ";
252 s += string (_reference_video ? "1" : "0") + string (_reference_subtitle ? "1" : "0");
257 DCPContent::add_kdm (dcp::EncryptedKDM k)
263 DCPContent::can_be_played () const
265 boost::mutex::scoped_lock lm (_mutex);
266 return !_encrypted || _kdm_valid;
269 boost::filesystem::path
270 DCPContent::directory () const
272 optional<size_t> smallest;
273 boost::filesystem::path dir;
274 for (size_t i = 0; i < number_of_paths(); ++i) {
275 boost::filesystem::path const p = path (i).parent_path ();
276 size_t const d = distance (p.begin(), p.end());
277 if (!smallest || d < smallest.get ()) {
286 DCPContent::add_properties (list<UserProperty>& p) const
288 Content::add_properties (p);
289 video->add_properties (p);
290 audio->add_properties (p);
294 DCPContent::set_default_colour_conversion ()
296 /* Default to no colour conversion for DCPs */
297 video->unset_colour_conversion ();
301 DCPContent::set_reference_video (bool r)
304 boost::mutex::scoped_lock lm (_mutex);
305 _reference_video = r;
308 signal_changed (DCPContentProperty::REFERENCE_VIDEO);
312 DCPContent::set_reference_audio (bool r)
315 boost::mutex::scoped_lock lm (_mutex);
316 _reference_audio = r;
319 signal_changed (DCPContentProperty::REFERENCE_AUDIO);
323 DCPContent::set_reference_subtitle (bool r)
326 boost::mutex::scoped_lock lm (_mutex);
327 _reference_subtitle = r;
330 signal_changed (DCPContentProperty::REFERENCE_SUBTITLE);
334 DCPContent::reels () const
336 list<DCPTimePeriod> p;
337 scoped_ptr<DCPDecoder> decoder;
339 decoder.reset (new DCPDecoder (shared_from_this(), film()->log()));
341 /* Could not load the DCP; guess reels */
342 list<DCPTimePeriod> p;
343 p.push_back (DCPTimePeriod (position(), end()));
347 DCPTime from = position ();
348 BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder->reels()) {
349 DCPTime const to = from + DCPTime::from_frames (i->main_picture()->duration(), film()->video_frame_rate());
350 p.push_back (DCPTimePeriod (from, to));
358 DCPContent::reel_split_points () const
361 BOOST_FOREACH (DCPTimePeriod i, reels()) {
362 s.push_back (i.from);
368 DCPContent::can_reference (function<shared_ptr<ContentPart> (shared_ptr<const Content>)> part, string overlapping, list<string>& why_not) const
370 /* We must be using the same standard as the film */
372 if (_standard.get() == dcp::INTEROP && !film()->interop()) {
373 why_not.push_back (_("The film is set to SMPTE and this DCP is Interop."));
375 } else if (_standard.get() == dcp::SMPTE && film()->interop()) {
376 why_not.push_back (_("The film is set to Interop and this DCP is SMPTE."));
381 list<DCPTimePeriod> const fr = film()->reels ();
382 /* fr must contain reels(). It can also contain other reels, but it must at
383 least contain reels().
385 BOOST_FOREACH (DCPTimePeriod i, reels()) {
386 if (find (fr.begin(), fr.end(), i) == fr.end ()) {
387 why_not.push_back (_("The reel lengths in the film differ from those in the DCP; set the reel mode to 'split by video content'."));
392 ContentList a = overlaps (film()->content(), part, position(), end());
393 if (a.size() != 1 || a.front().get() != this) {
394 why_not.push_back (overlapping);
402 DCPContent::can_reference_video (list<string>& why_not) const
404 return can_reference (bind (&Content::video, _1), _("There is other video content overlapping this DCP; remove it."), why_not);
408 DCPContent::can_reference_audio (list<string>& why_not) const
410 DCPDecoder decoder (shared_from_this(), film()->log());
411 BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder.reels()) {
412 if (!i->main_sound()) {
413 why_not.push_back (_("The DCP does not have sound in all reels."));
418 return can_reference (bind (&Content::audio, _1), _("There is other audio content overlapping this DCP; remove it."), why_not);
422 DCPContent::can_reference_subtitle (list<string>& why_not) const
424 DCPDecoder decoder (shared_from_this(), film()->log());
425 BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder.reels()) {
426 if (!i->main_subtitle()) {
427 why_not.push_back (_("The DCP does not have subtitles in all reels."));
432 return can_reference (bind (&Content::subtitle, _1), _("There is other subtitle content overlapping this DCP; remove it."), why_not);