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 boost::dynamic_pointer_cast;
55 using dcp::raw_convert;
57 int const DCPContentProperty::CAN_BE_PLAYED = 600;
58 int const DCPContentProperty::REFERENCE_VIDEO = 601;
59 int const DCPContentProperty::REFERENCE_AUDIO = 602;
60 int const DCPContentProperty::REFERENCE_SUBTITLE = 603;
62 DCPContent::DCPContent (shared_ptr<const Film> film, boost::filesystem::path p)
65 , _needs_assets (false)
67 , _reference_video (false)
68 , _reference_audio (false)
69 , _reference_subtitle (false)
72 video.reset (new VideoContent (this));
73 audio.reset (new AudioContent (this));
76 set_default_colour_conversion ();
79 DCPContent::DCPContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version)
80 : Content (film, node)
82 video = VideoContent::from_xml (this, node, version);
83 audio = AudioContent::from_xml (this, node, version);
84 subtitle = SubtitleContent::from_xml (this, node, version);
89 node->number_child<int> ("AudioFrameRate"),
90 /* AudioLength was not present in some old metadata versions */
91 node->optional_number_child<Frame>("AudioLength").get_value_or (
92 video->length() * node->number_child<int>("AudioFrameRate") / video_frame_rate().get()
94 AudioMapping (node->node_child ("AudioMapping"), version)
99 _name = node->string_child ("Name");
100 _encrypted = node->bool_child ("Encrypted");
101 _needs_assets = node->optional_bool_child("NeedsAssets").get_value_or (false);
102 if (node->optional_node_child ("KDM")) {
103 _kdm = dcp::EncryptedKDM (node->string_child ("KDM"));
105 _kdm_valid = node->bool_child ("KDMValid");
106 _reference_video = node->optional_bool_child ("ReferenceVideo").get_value_or (false);
107 _reference_audio = node->optional_bool_child ("ReferenceAudio").get_value_or (false);
108 _reference_subtitle = node->optional_bool_child ("ReferenceSubtitle").get_value_or (false);
109 if (node->optional_string_child("Standard")) {
110 string const s = node->optional_string_child("Standard").get();
111 if (s == "Interop") {
112 _standard = dcp::INTEROP;
113 } else if (s == "SMPTE") {
114 _standard = dcp::SMPTE;
116 DCPOMATIC_ASSERT (false);
119 _three_d = node->optional_bool_child("ThreeD").get_value_or (false);
120 _cpl = node->optional_string_child("CPL");
124 DCPContent::read_directory (boost::filesystem::path p)
126 for (boost::filesystem::directory_iterator i(p); i != boost::filesystem::directory_iterator(); ++i) {
127 if (boost::filesystem::is_regular_file (i->path ())) {
128 _paths.push_back (i->path ());
129 } else if (boost::filesystem::is_directory (i->path ())) {
130 read_directory (i->path ());
136 DCPContent::examine (shared_ptr<Job> job)
138 bool const could_be_played = can_be_played ();
140 job->set_progress_unknown ();
141 Content::examine (job);
143 shared_ptr<DCPExaminer> examiner (new DCPExaminer (shared_from_this ()));
144 video->take_from_examiner (examiner);
145 set_default_colour_conversion ();
148 boost::mutex::scoped_lock lm (_mutex);
150 AudioStreamPtr as (new AudioStream (examiner->audio_frame_rate(), examiner->audio_length(), examiner->audio_channels()));
151 audio->set_stream (as);
152 AudioMapping m = as->mapping ();
153 film()->make_audio_mapping_default (m);
157 signal_changed (AudioContentProperty::STREAMS);
160 boost::mutex::scoped_lock lm (_mutex);
161 _name = examiner->name ();
162 if (examiner->has_subtitles ()) {
163 subtitle.reset (new SubtitleContent (this));
165 _encrypted = examiner->encrypted ();
166 _needs_assets = examiner->needs_assets ();
167 _kdm_valid = examiner->kdm_valid ();
168 _standard = examiner->standard ();
169 _three_d = examiner->three_d ();
170 _cpl = examiner->cpl ();
173 if (could_be_played != can_be_played ()) {
174 signal_changed (DCPContentProperty::CAN_BE_PLAYED);
177 video->set_frame_type (_three_d ? VIDEO_FRAME_TYPE_3D : VIDEO_FRAME_TYPE_2D);
181 DCPContent::summary () const
183 boost::mutex::scoped_lock lm (_mutex);
184 return String::compose (_("%1 [DCP]"), _name);
188 DCPContent::technical_summary () const
190 return Content::technical_summary() + " - "
191 + video->technical_summary() + " - "
192 + audio->technical_summary() + " - ";
196 DCPContent::as_xml (xmlpp::Node* node, bool with_paths) const
198 node->add_child("Type")->add_child_text ("DCP");
200 Content::as_xml (node, with_paths);
203 video->as_xml (node);
207 audio->as_xml (node);
208 node->add_child("AudioFrameRate")->add_child_text (raw_convert<string> (audio->stream()->frame_rate()));
209 node->add_child("AudioLength")->add_child_text (raw_convert<string> (audio->stream()->length()));
210 audio->stream()->mapping().as_xml (node->add_child("AudioMapping"));
214 subtitle->as_xml (node);
217 boost::mutex::scoped_lock lm (_mutex);
218 node->add_child("Name")->add_child_text (_name);
219 node->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
220 node->add_child("NeedsAssets")->add_child_text (_needs_assets ? "1" : "0");
222 node->add_child("KDM")->add_child_text (_kdm->as_xml ());
224 node->add_child("KDMValid")->add_child_text (_kdm_valid ? "1" : "0");
225 node->add_child("ReferenceVideo")->add_child_text (_reference_video ? "1" : "0");
226 node->add_child("ReferenceAudio")->add_child_text (_reference_audio ? "1" : "0");
227 node->add_child("ReferenceSubtitle")->add_child_text (_reference_subtitle ? "1" : "0");
229 switch (_standard.get ()) {
231 node->add_child("Standard")->add_child_text ("Interop");
234 node->add_child("Standard")->add_child_text ("SMPTE");
237 DCPOMATIC_ASSERT (false);
240 node->add_child("ThreeD")->add_child_text (_three_d ? "1" : "0");
242 node->add_child("CPL")->add_child_text (_cpl.get ());
247 DCPContent::full_length () const
249 FrameRateChange const frc (active_video_frame_rate (), film()->video_frame_rate ());
250 return DCPTime::from_frames (llrint (video->length () * frc.factor ()), film()->video_frame_rate ());
254 DCPContent::identifier () const
256 string s = Content::identifier() + "_" + video->identifier() + "_";
258 s += subtitle->identifier () + " ";
261 s += string (_reference_video ? "1" : "0") + string (_reference_subtitle ? "1" : "0");
266 DCPContent::add_kdm (dcp::EncryptedKDM k)
272 DCPContent::add_ov (boost::filesystem::path ov)
278 DCPContent::can_be_played () const
280 return !needs_kdm() && !needs_assets();
284 DCPContent::needs_kdm () const
286 boost::mutex::scoped_lock lm (_mutex);
287 return _encrypted && !_kdm_valid;
291 DCPContent::needs_assets () const
293 boost::mutex::scoped_lock lm (_mutex);
294 return _needs_assets;
297 vector<boost::filesystem::path>
298 DCPContent::directories () const
300 return dcp::DCP::directories_from_files (paths ());
304 DCPContent::add_properties (list<UserProperty>& p) const
306 Content::add_properties (p);
307 video->add_properties (p);
308 audio->add_properties (p);
312 DCPContent::set_default_colour_conversion ()
314 /* Default to no colour conversion for DCPs */
315 video->unset_colour_conversion ();
319 DCPContent::set_reference_video (bool r)
322 boost::mutex::scoped_lock lm (_mutex);
323 _reference_video = r;
326 signal_changed (DCPContentProperty::REFERENCE_VIDEO);
330 DCPContent::set_reference_audio (bool r)
333 boost::mutex::scoped_lock lm (_mutex);
334 _reference_audio = r;
337 signal_changed (DCPContentProperty::REFERENCE_AUDIO);
341 DCPContent::set_reference_subtitle (bool r)
344 boost::mutex::scoped_lock lm (_mutex);
345 _reference_subtitle = r;
348 signal_changed (DCPContentProperty::REFERENCE_SUBTITLE);
352 DCPContent::reels () const
354 list<DCPTimePeriod> p;
355 scoped_ptr<DCPDecoder> decoder;
357 decoder.reset (new DCPDecoder (shared_from_this(), film()->log()));
359 /* Could not load the DCP; guess reels */
360 list<DCPTimePeriod> p;
361 p.push_back (DCPTimePeriod (position(), end()));
365 /* This content's frame rate must be the same as the output DCP rate, so we can
366 convert `directly' from ContentTime to DCPTime.
369 /* The starting point of this content on the timeline */
370 DCPTime pos = position() - DCPTime (trim_start().get());
372 BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder->reels ()) {
373 /* This reel runs from `pos' to `to' */
374 DCPTime const to = pos + DCPTime::from_frames (i->main_picture()->duration(), film()->video_frame_rate());
375 if (to > position()) {
376 p.push_back (DCPTimePeriod (max(position(), pos), min(end(), to)));
388 DCPContent::reel_split_points () const
391 BOOST_FOREACH (DCPTimePeriod i, reels()) {
392 s.push_back (i.from);
398 DCPContent::can_reference (function<shared_ptr<ContentPart> (shared_ptr<const Content>)> part, string overlapping, list<string>& why_not) const
400 /* We must be using the same standard as the film */
402 if (_standard.get() == dcp::INTEROP && !film()->interop()) {
403 why_not.push_back (_("The film is set to SMPTE and this DCP is Interop."));
405 } else if (_standard.get() == dcp::SMPTE && film()->interop()) {
406 why_not.push_back (_("The film is set to Interop and this DCP is SMPTE."));
411 /* And the same frame rate */
412 if (!video_frame_rate() || (lrint(video_frame_rate().get()) != film()->video_frame_rate())) {
413 why_not.push_back (_("The film has a different frame rate to this DCP."));
417 list<DCPTimePeriod> const fr = film()->reels ();
419 /* fr must contain reels(). It can also contain other reels, but it must at
420 least contain reels().
422 BOOST_FOREACH (DCPTimePeriod i, reels()) {
423 if (find (fr.begin(), fr.end(), i) == fr.end ()) {
424 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'."));
429 ContentList a = overlaps (film()->content(), part, position(), end());
430 if (a.size() != 1 || a.front().get() != this) {
431 why_not.push_back (overlapping);
439 DCPContent::can_reference_video (list<string>& why_not) const
441 return can_reference (bind (&Content::video, _1), _("There is other video content overlapping this DCP; remove it."), why_not);
445 DCPContent::can_reference_audio (list<string>& why_not) const
447 DCPDecoder decoder (shared_from_this(), film()->log());
448 BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder.reels()) {
449 if (!i->main_sound()) {
450 why_not.push_back (_("The DCP does not have sound in all reels."));
455 return can_reference (bind (&Content::audio, _1), _("There is other audio content overlapping this DCP; remove it."), why_not);
459 DCPContent::can_reference_subtitle (list<string>& why_not) const
461 DCPDecoder decoder (shared_from_this(), film()->log());
462 BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder.reels()) {
463 if (!i->main_subtitle()) {
464 why_not.push_back (_("The DCP does not have subtitles in all reels."));
469 return can_reference (bind (&Content::subtitle, _1), _("There is other subtitle content overlapping this DCP; remove it."), why_not);
473 DCPContent::use_template (shared_ptr<const Content> c)
475 shared_ptr<const DCPContent> dc = dynamic_pointer_cast<const DCPContent> (c);
476 DCPOMATIC_ASSERT (dc);
478 _reference_video = dc->_reference_video;
479 _reference_audio = dc->_reference_audio;
480 _reference_subtitle = dc->_reference_subtitle;