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::NEEDS_ASSETS = 600;
58 int const DCPContentProperty::NEEDS_KDM = 601;
59 int const DCPContentProperty::REFERENCE_VIDEO = 602;
60 int const DCPContentProperty::REFERENCE_AUDIO = 603;
61 int const DCPContentProperty::REFERENCE_SUBTITLE = 604;
62 int const DCPContentProperty::NAME = 605;
64 DCPContent::DCPContent (shared_ptr<const Film> film, boost::filesystem::path p)
67 , _needs_assets (false)
69 , _reference_video (false)
70 , _reference_audio (false)
71 , _reference_subtitle (false)
74 video.reset (new VideoContent (this));
75 audio.reset (new AudioContent (this));
78 set_default_colour_conversion ();
81 DCPContent::DCPContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version)
82 : Content (film, node)
84 video = VideoContent::from_xml (this, node, version);
85 audio = AudioContent::from_xml (this, node, version);
86 subtitle = SubtitleContent::from_xml (this, node, version);
91 node->number_child<int> ("AudioFrameRate"),
92 /* AudioLength was not present in some old metadata versions */
93 node->optional_number_child<Frame>("AudioLength").get_value_or (
94 video->length() * node->number_child<int>("AudioFrameRate") / video_frame_rate().get()
96 AudioMapping (node->node_child ("AudioMapping"), version)
101 _name = node->string_child ("Name");
102 _encrypted = node->bool_child ("Encrypted");
103 _needs_assets = node->optional_bool_child("NeedsAssets").get_value_or (false);
104 if (node->optional_node_child ("KDM")) {
105 _kdm = dcp::EncryptedKDM (node->string_child ("KDM"));
107 _kdm_valid = node->bool_child ("KDMValid");
108 _reference_video = node->optional_bool_child ("ReferenceVideo").get_value_or (false);
109 _reference_audio = node->optional_bool_child ("ReferenceAudio").get_value_or (false);
110 _reference_subtitle = node->optional_bool_child ("ReferenceSubtitle").get_value_or (false);
111 if (node->optional_string_child("Standard")) {
112 string const s = node->optional_string_child("Standard").get();
113 if (s == "Interop") {
114 _standard = dcp::INTEROP;
115 } else if (s == "SMPTE") {
116 _standard = dcp::SMPTE;
118 DCPOMATIC_ASSERT (false);
121 _three_d = node->optional_bool_child("ThreeD").get_value_or (false);
122 _cpl = node->optional_string_child("CPL");
123 BOOST_FOREACH (cxml::ConstNodePtr i, node->node_children("ReelLength")) {
124 _reel_lengths.push_back (raw_convert<int64_t> (i->content ()));
129 DCPContent::read_directory (boost::filesystem::path p)
131 for (boost::filesystem::directory_iterator i(p); i != boost::filesystem::directory_iterator(); ++i) {
132 if (boost::filesystem::is_regular_file (i->path ())) {
133 _paths.push_back (i->path ());
134 } else if (boost::filesystem::is_directory (i->path ())) {
135 read_directory (i->path ());
141 DCPContent::examine (shared_ptr<Job> job)
143 bool const needed_assets = needs_assets ();
144 bool const needed_kdm = needs_kdm ();
145 string const old_name = name ();
147 job->set_progress_unknown ();
148 Content::examine (job);
150 shared_ptr<DCPExaminer> examiner (new DCPExaminer (shared_from_this ()));
151 video->take_from_examiner (examiner);
152 set_default_colour_conversion ();
155 boost::mutex::scoped_lock lm (_mutex);
157 AudioStreamPtr as (new AudioStream (examiner->audio_frame_rate(), examiner->audio_length(), examiner->audio_channels()));
158 audio->set_stream (as);
159 AudioMapping m = as->mapping ();
160 film()->make_audio_mapping_default (m);
164 signal_changed (AudioContentProperty::STREAMS);
167 boost::mutex::scoped_lock lm (_mutex);
168 _name = examiner->name ();
169 if (examiner->has_subtitles ()) {
170 subtitle.reset (new SubtitleContent (this));
172 _encrypted = examiner->encrypted ();
173 _needs_assets = examiner->needs_assets ();
174 _kdm_valid = examiner->kdm_valid ();
175 _standard = examiner->standard ();
176 _three_d = examiner->three_d ();
177 _cpl = examiner->cpl ();
178 _reel_lengths = examiner->reel_lengths ();
181 if (needed_assets != needs_assets ()) {
182 signal_changed (DCPContentProperty::NEEDS_ASSETS);
185 if (needed_kdm != needs_kdm ()) {
186 signal_changed (DCPContentProperty::NEEDS_KDM);
189 if (old_name != name ()) {
190 signal_changed (DCPContentProperty::NAME);
193 video->set_frame_type (_three_d ? VIDEO_FRAME_TYPE_3D : VIDEO_FRAME_TYPE_2D);
197 DCPContent::summary () const
199 boost::mutex::scoped_lock lm (_mutex);
200 return String::compose (_("%1 [DCP]"), _name);
204 DCPContent::technical_summary () const
206 return Content::technical_summary() + " - "
207 + video->technical_summary() + " - "
208 + audio->technical_summary() + " - ";
212 DCPContent::as_xml (xmlpp::Node* node, bool with_paths) const
214 node->add_child("Type")->add_child_text ("DCP");
216 Content::as_xml (node, with_paths);
219 video->as_xml (node);
223 audio->as_xml (node);
224 node->add_child("AudioFrameRate")->add_child_text (raw_convert<string> (audio->stream()->frame_rate()));
225 node->add_child("AudioLength")->add_child_text (raw_convert<string> (audio->stream()->length()));
226 audio->stream()->mapping().as_xml (node->add_child("AudioMapping"));
230 subtitle->as_xml (node);
233 boost::mutex::scoped_lock lm (_mutex);
234 node->add_child("Name")->add_child_text (_name);
235 node->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
236 node->add_child("NeedsAssets")->add_child_text (_needs_assets ? "1" : "0");
238 node->add_child("KDM")->add_child_text (_kdm->as_xml ());
240 node->add_child("KDMValid")->add_child_text (_kdm_valid ? "1" : "0");
241 node->add_child("ReferenceVideo")->add_child_text (_reference_video ? "1" : "0");
242 node->add_child("ReferenceAudio")->add_child_text (_reference_audio ? "1" : "0");
243 node->add_child("ReferenceSubtitle")->add_child_text (_reference_subtitle ? "1" : "0");
245 switch (_standard.get ()) {
247 node->add_child("Standard")->add_child_text ("Interop");
250 node->add_child("Standard")->add_child_text ("SMPTE");
253 DCPOMATIC_ASSERT (false);
256 node->add_child("ThreeD")->add_child_text (_three_d ? "1" : "0");
258 node->add_child("CPL")->add_child_text (_cpl.get ());
260 BOOST_FOREACH (int64_t i, _reel_lengths) {
261 node->add_child("ReelLength")->add_child_text (raw_convert<string> (i));
266 DCPContent::full_length () const
268 FrameRateChange const frc (active_video_frame_rate (), film()->video_frame_rate ());
269 return DCPTime::from_frames (llrint (video->length () * frc.factor ()), film()->video_frame_rate ());
273 DCPContent::identifier () const
275 string s = Content::identifier() + "_" + video->identifier() + "_";
277 s += subtitle->identifier () + " ";
280 s += string (_reference_video ? "1" : "0") + string (_reference_subtitle ? "1" : "0");
285 DCPContent::add_kdm (dcp::EncryptedKDM k)
291 DCPContent::add_ov (boost::filesystem::path ov)
297 DCPContent::can_be_played () const
299 return !needs_kdm() && !needs_assets();
303 DCPContent::needs_kdm () const
305 boost::mutex::scoped_lock lm (_mutex);
306 return _encrypted && !_kdm_valid;
310 DCPContent::needs_assets () const
312 boost::mutex::scoped_lock lm (_mutex);
313 return _needs_assets;
316 vector<boost::filesystem::path>
317 DCPContent::directories () const
319 return dcp::DCP::directories_from_files (paths ());
323 DCPContent::add_properties (list<UserProperty>& p) const
325 Content::add_properties (p);
326 video->add_properties (p);
327 audio->add_properties (p);
331 DCPContent::set_default_colour_conversion ()
333 /* Default to no colour conversion for DCPs */
334 video->unset_colour_conversion ();
338 DCPContent::set_reference_video (bool r)
341 boost::mutex::scoped_lock lm (_mutex);
342 _reference_video = r;
345 signal_changed (DCPContentProperty::REFERENCE_VIDEO);
349 DCPContent::set_reference_audio (bool r)
352 boost::mutex::scoped_lock lm (_mutex);
353 _reference_audio = r;
356 signal_changed (DCPContentProperty::REFERENCE_AUDIO);
360 DCPContent::set_reference_subtitle (bool r)
363 boost::mutex::scoped_lock lm (_mutex);
364 _reference_subtitle = r;
367 signal_changed (DCPContentProperty::REFERENCE_SUBTITLE);
371 DCPContent::reels () const
373 list<int64_t> reel_lengths = _reel_lengths;
374 if (reel_lengths.empty ()) {
375 /* Old metadata with no reel lengths; get them here instead */
377 scoped_ptr<DCPExaminer> examiner (new DCPExaminer (shared_from_this()));
378 reel_lengths = examiner->reel_lengths ();
380 /* Could not examine the DCP; guess reels */
381 reel_lengths.push_back (length_after_trim().frames_round (film()->video_frame_rate ()));
385 list<DCPTimePeriod> p;
387 /* This content's frame rate must be the same as the output DCP rate, so we can
388 convert `directly' from ContentTime to DCPTime.
391 /* The starting point of this content on the timeline */
392 DCPTime pos = position() - DCPTime (trim_start().get());
394 BOOST_FOREACH (int64_t i, reel_lengths) {
395 /* This reel runs from `pos' to `to' */
396 DCPTime const to = pos + DCPTime::from_frames (i, film()->video_frame_rate());
397 if (to > position()) {
398 p.push_back (DCPTimePeriod (max(position(), pos), min(end(), to)));
410 DCPContent::reel_split_points () const
413 BOOST_FOREACH (DCPTimePeriod i, reels()) {
414 s.push_back (i.from);
420 DCPContent::can_reference (function<shared_ptr<ContentPart> (shared_ptr<const Content>)> part, string overlapping, list<string>& why_not) const
422 /* We must be using the same standard as the film */
424 if (_standard.get() == dcp::INTEROP && !film()->interop()) {
425 why_not.push_back (_("The film is set to SMPTE and this DCP is Interop."));
427 } else if (_standard.get() == dcp::SMPTE && film()->interop()) {
428 why_not.push_back (_("The film is set to Interop and this DCP is SMPTE."));
433 /* And the same frame rate */
434 if (!video_frame_rate() || (lrint(video_frame_rate().get()) != film()->video_frame_rate())) {
435 why_not.push_back (_("The film has a different frame rate to this DCP."));
439 list<DCPTimePeriod> const fr = film()->reels ();
441 list<DCPTimePeriod> reel_list;
443 reel_list = reels ();
444 } catch (dcp::DCPReadError) {
445 /* We couldn't read the DCP; it's probably missing */
449 /* fr must contain reels(). It can also contain other reels, but it must at
450 least contain reels().
452 BOOST_FOREACH (DCPTimePeriod i, reel_list) {
453 if (find (fr.begin(), fr.end(), i) == fr.end ()) {
454 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'."));
459 ContentList a = overlaps (film()->content(), part, position(), end());
460 if (a.size() != 1 || a.front().get() != this) {
461 why_not.push_back (overlapping);
469 DCPContent::can_reference_video (list<string>& why_not) const
471 if (film()->frame_size() != video->size()) {
472 why_not.push_back (_("The video frame size in the film differs from that in the DCP."));
476 return can_reference (bind (&Content::video, _1), _("There is other video content overlapping this DCP; remove it."), why_not);
480 DCPContent::can_reference_audio (list<string>& why_not) const
482 shared_ptr<DCPDecoder> decoder;
484 decoder.reset (new DCPDecoder (shared_from_this(), film()->log()));
485 } catch (dcp::DCPReadError) {
486 /* We couldn't read the DCP, so it's probably missing */
490 BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder->reels()) {
491 if (!i->main_sound()) {
492 why_not.push_back (_("The DCP does not have sound in all reels."));
497 return can_reference (bind (&Content::audio, _1), _("There is other audio content overlapping this DCP; remove it."), why_not);
501 DCPContent::can_reference_subtitle (list<string>& why_not) const
503 shared_ptr<DCPDecoder> decoder;
505 decoder.reset (new DCPDecoder (shared_from_this(), film()->log()));
506 } catch (dcp::DCPReadError) {
507 /* We couldn't read the DCP, so it's probably missing */
511 BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder->reels()) {
512 if (!i->main_subtitle()) {
513 why_not.push_back (_("The DCP does not have subtitles in all reels."));
518 return can_reference (bind (&Content::subtitle, _1), _("There is other subtitle content overlapping this DCP; remove it."), why_not);
522 DCPContent::use_template (shared_ptr<const Content> c)
524 shared_ptr<const DCPContent> dc = dynamic_pointer_cast<const DCPContent> (c);
525 DCPOMATIC_ASSERT (dc);
527 _reference_video = dc->_reference_video;
528 _reference_audio = dc->_reference_audio;
529 _reference_subtitle = dc->_reference_subtitle;
533 DCPContent::set_cpl (string id)
535 boost::mutex::scoped_lock lm (_mutex);