2 Copyright (C) 2012-2015 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.
21 * @brief A representation of some audio and video content, and details of
22 * how they should be presented in a DCP.
28 #include "job_manager.h"
29 #include "transcode_job.h"
30 #include "upload_job.h"
33 #include "exceptions.h"
34 #include "examine_content_job.h"
37 #include "dcp_content_type.h"
40 #include "safe_stringstream.h"
41 #include "environment_info.h"
42 #include "raw_convert.h"
43 #include "audio_processor.h"
44 #include "md5_digester.h"
45 #include "compose.hpp"
47 #include "audio_content.h"
48 #include "video_content.h"
49 #include "subtitle_content.h"
50 #include "ffmpeg_content.h"
51 #include "dcp_content.h"
52 #include <libcxml/cxml.h>
54 #include <dcp/certificate_chain.h>
56 #include <dcp/local_time.h>
57 #include <dcp/decrypted_kdm.h>
58 #include <libxml++/libxml++.h>
59 #include <boost/filesystem.hpp>
60 #include <boost/algorithm/string.hpp>
61 #include <boost/foreach.hpp>
82 using boost::shared_ptr;
83 using boost::weak_ptr;
84 using boost::dynamic_pointer_cast;
85 using boost::optional;
86 using boost::is_any_of;
88 #define LOG_GENERAL(...) log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
89 #define LOG_GENERAL_NC(...) log()->log (__VA_ARGS__, Log::TYPE_GENERAL);
92 * AudioMapping XML changed.
94 * Subtitle offset changed to subtitle y offset, and subtitle x offset added.
96 * Use <Scale> tag in <VideoContent> rather than <Ratio>.
100 * Subtitle X and Y scale.
102 * Bumped to 32 for 2.0 branch; some times are expressed in Times rather
105 int const Film::current_state_version = 32;
107 /** Construct a Film object in a given directory.
109 * @param dir Film directory.
112 Film::Film (boost::filesystem::path dir, bool log)
113 : _playlist (new Playlist)
114 , _use_isdcf_name (true)
115 , _dcp_content_type (Config::instance()->default_dcp_content_type ())
116 , _container (Config::instance()->default_container ())
117 , _resolution (RESOLUTION_2K)
120 , _j2k_bandwidth (Config::instance()->default_j2k_bandwidth ())
121 , _isdcf_metadata (Config::instance()->default_isdcf_metadata ())
122 , _video_frame_rate (24)
123 , _audio_channels (6)
125 , _sequence_video (true)
126 , _interop (Config::instance()->default_interop ())
127 , _audio_processor (0)
128 , _state_version (current_state_version)
131 set_isdcf_date_today ();
133 _playlist_changed_connection = _playlist->Changed.connect (bind (&Film::playlist_changed, this));
134 _playlist_content_changed_connection = _playlist->ContentChanged.connect (bind (&Film::playlist_content_changed, this, _1, _2, _3));
136 /* Make state.directory a complete path without ..s (where possible)
137 (Code swiped from Adam Bowen on stackoverflow)
140 boost::filesystem::path p (boost::filesystem::system_complete (dir));
141 boost::filesystem::path result;
142 for (boost::filesystem::path::iterator i = p.begin(); i != p.end(); ++i) {
144 if (boost::filesystem::is_symlink (result) || result.filename() == "..") {
147 result = result.parent_path ();
149 } else if (*i != ".") {
154 set_directory (result.make_preferred ());
156 _log.reset (new FileLog (file ("log")));
158 _log.reset (new NullLog);
161 _playlist->set_sequence_video (_sequence_video);
166 BOOST_FOREACH (boost::signals2::connection& i, _job_connections) {
170 BOOST_FOREACH (boost::signals2::connection& i, _audio_analysis_connections) {
176 Film::video_identifier () const
178 DCPOMATIC_ASSERT (container ());
181 s.imbue (std::locale::classic ());
183 s << container()->id()
184 << "_" << resolution_to_string (_resolution)
185 << "_" << _playlist->video_identifier()
186 << "_" << _video_frame_rate
187 << "_" << j2k_bandwidth();
208 /** @return The file to write video frame info to */
209 boost::filesystem::path
210 Film::info_file () const
212 boost::filesystem::path p;
214 p /= video_identifier ();
218 boost::filesystem::path
219 Film::internal_video_asset_dir () const
221 return dir ("video");
224 boost::filesystem::path
225 Film::internal_video_asset_filename () const
227 return video_identifier() + ".mxf";
230 boost::filesystem::path
231 Film::audio_analysis_path (shared_ptr<const Playlist> playlist) const
233 boost::filesystem::path p = dir ("analysis");
235 MD5Digester digester;
236 BOOST_FOREACH (shared_ptr<Content> i, playlist->content ()) {
237 shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (i);
242 digester.add (ac->digest ());
243 digester.add (ac->audio_mapping().digest ());
244 if (playlist->content().size() != 1) {
245 /* Analyses should be considered equal regardless of gain
246 if they were made from just one piece of content. This
247 is because we can fake any gain change in a single-content
248 analysis at the plotting stage rather than having to
251 digester.add (ac->audio_gain ());
255 if (audio_processor ()) {
256 digester.add (audio_processor()->id ());
259 p /= digester.get ();
263 /** Add suitable Jobs to the JobManager to create a DCP for this Film */
267 if (dcp_name().find ("/") != string::npos) {
268 throw BadSettingError (_("name"), _("cannot contain slashes"));
271 set_isdcf_date_today ();
273 environment_info (log ());
275 BOOST_FOREACH (shared_ptr<const Content> i, content ()) {
276 LOG_GENERAL ("Content: %1", i->technical_summary());
278 LOG_GENERAL ("DCP video rate %1 fps", video_frame_rate());
279 if (Config::instance()->only_servers_encode ()) {
280 LOG_GENERAL_NC ("0 threads: ONLY SERVERS SET TO ENCODE");
282 LOG_GENERAL ("%1 threads", Config::instance()->num_local_encoding_threads());
284 LOG_GENERAL ("J2K bandwidth %1", j2k_bandwidth());
286 if (container() == 0) {
287 throw MissingSettingError (_("container"));
290 if (content().empty()) {
291 throw StringError (_("You must add some content to the DCP before creating it"));
294 if (dcp_content_type() == 0) {
295 throw MissingSettingError (_("content type"));
298 if (name().empty()) {
299 throw MissingSettingError (_("name"));
302 JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (shared_from_this())));
305 /** Start a job to send our DCP to the configured TMS */
307 Film::send_dcp_to_tms ()
309 shared_ptr<Job> j (new UploadJob (shared_from_this()));
310 JobManager::instance()->add (j);
313 shared_ptr<xmlpp::Document>
314 Film::metadata () const
316 shared_ptr<xmlpp::Document> doc (new xmlpp::Document);
317 xmlpp::Element* root = doc->create_root_node ("Metadata");
319 root->add_child("Version")->add_child_text (raw_convert<string> (current_state_version));
320 root->add_child("Name")->add_child_text (_name);
321 root->add_child("UseISDCFName")->add_child_text (_use_isdcf_name ? "1" : "0");
323 if (_dcp_content_type) {
324 root->add_child("DCPContentType")->add_child_text (_dcp_content_type->isdcf_name ());
328 root->add_child("Container")->add_child_text (_container->id ());
331 root->add_child("Resolution")->add_child_text (resolution_to_string (_resolution));
332 root->add_child("J2KBandwidth")->add_child_text (raw_convert<string> (_j2k_bandwidth));
333 _isdcf_metadata.as_xml (root->add_child ("ISDCFMetadata"));
334 root->add_child("VideoFrameRate")->add_child_text (raw_convert<string> (_video_frame_rate));
335 root->add_child("ISDCFDate")->add_child_text (boost::gregorian::to_iso_string (_isdcf_date));
336 root->add_child("AudioChannels")->add_child_text (raw_convert<string> (_audio_channels));
337 root->add_child("ThreeD")->add_child_text (_three_d ? "1" : "0");
338 root->add_child("SequenceVideo")->add_child_text (_sequence_video ? "1" : "0");
339 root->add_child("Interop")->add_child_text (_interop ? "1" : "0");
340 root->add_child("Signed")->add_child_text (_signed ? "1" : "0");
341 root->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
342 root->add_child("Key")->add_child_text (_key.hex ());
343 if (_audio_processor) {
344 root->add_child("AudioProcessor")->add_child_text (_audio_processor->id ());
346 _playlist->as_xml (root->add_child ("Playlist"));
351 /** Write state to our `metadata' file */
353 Film::write_metadata () const
355 boost::filesystem::create_directories (directory ());
356 shared_ptr<xmlpp::Document> doc = metadata ();
357 doc->write_to_file_formatted (file("metadata.xml").string ());
361 /** Read state from our metadata file.
362 * @return Notes about things that the user should know about, or empty.
365 Film::read_metadata ()
367 if (boost::filesystem::exists (file ("metadata")) && !boost::filesystem::exists (file ("metadata.xml"))) {
368 throw StringError (_("This film was created with an older version of DCP-o-matic, and unfortunately it cannot be loaded into this version. You will need to create a new Film, re-add your content and set it up again. Sorry!"));
371 cxml::Document f ("Metadata");
372 f.read_file (file ("metadata.xml"));
374 _state_version = f.number_child<int> ("Version");
375 if (_state_version > current_state_version) {
376 throw StringError (_("This film was created with a newer version of DCP-o-matic, and it cannot be loaded into this version. Sorry!"));
379 _name = f.string_child ("Name");
380 if (_state_version >= 9) {
381 _use_isdcf_name = f.bool_child ("UseISDCFName");
382 _isdcf_metadata = ISDCFMetadata (f.node_child ("ISDCFMetadata"));
383 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("ISDCFDate"));
385 _use_isdcf_name = f.bool_child ("UseDCIName");
386 _isdcf_metadata = ISDCFMetadata (f.node_child ("DCIMetadata"));
387 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("DCIDate"));
391 optional<string> c = f.optional_string_child ("DCPContentType");
393 _dcp_content_type = DCPContentType::from_isdcf_name (c.get ());
398 optional<string> c = f.optional_string_child ("Container");
400 _container = Ratio::from_id (c.get ());
404 _resolution = string_to_resolution (f.string_child ("Resolution"));
405 _j2k_bandwidth = f.number_child<int> ("J2KBandwidth");
406 _video_frame_rate = f.number_child<int> ("VideoFrameRate");
407 _signed = f.optional_bool_child("Signed").get_value_or (true);
408 _encrypted = f.bool_child ("Encrypted");
409 _audio_channels = f.number_child<int> ("AudioChannels");
410 /* We used to allow odd numbers (and zero) channels, but it's just not worth
413 if (_audio_channels == 0) {
415 } else if ((_audio_channels % 2) == 1) {
418 _sequence_video = f.bool_child ("SequenceVideo");
419 _three_d = f.bool_child ("ThreeD");
420 _interop = f.bool_child ("Interop");
421 _key = dcp::Key (f.string_child ("Key"));
423 if (f.optional_string_child ("AudioProcessor")) {
424 _audio_processor = AudioProcessor::from_id (f.string_child ("AudioProcessor"));
426 _audio_processor = 0;
430 /* This method is the only one that can return notes (so far) */
431 _playlist->set_from_xml (shared_from_this(), f.node_child ("Playlist"), _state_version, notes);
433 /* Write backtraces to this film's directory, until another film is loaded */
434 set_backtrace_file (file ("backtrace.txt"));
440 /** Given a directory name, return its full path within the Film's directory.
441 * The directory (and its parents) will be created if they do not exist.
443 boost::filesystem::path
444 Film::dir (boost::filesystem::path d) const
446 boost::filesystem::path p;
450 boost::filesystem::create_directories (p);
455 /** Given a file or directory name, return its full path within the Film's directory.
456 * Any required parent directories will be created.
458 boost::filesystem::path
459 Film::file (boost::filesystem::path f) const
461 boost::filesystem::path p;
465 boost::filesystem::create_directories (p.parent_path ());
470 /** @return a ISDCF-compliant name for a DCP of this film */
472 Film::isdcf_name (bool if_created_now) const
476 string raw_name = name ();
478 /* Split the raw name up into words */
479 vector<string> words;
480 split (words, raw_name, is_any_of (" _-"));
484 /* Add each word to fixed_name */
485 for (vector<string>::const_iterator i = words.begin(); i != words.end(); ++i) {
488 /* First letter is always capitalised */
489 w[0] = toupper (w[0]);
491 /* Count caps in w */
493 for (size_t i = 0; i < w.size(); ++i) {
494 if (isupper (w[i])) {
499 /* If w is all caps make the rest of it lower case, otherwise
502 if (caps == w.size ()) {
503 for (size_t i = 1; i < w.size(); ++i) {
504 w[i] = tolower (w[i]);
508 for (size_t i = 0; i < w.size(); ++i) {
513 if (fixed_name.length() > 14) {
514 fixed_name = fixed_name.substr (0, 14);
519 if (dcp_content_type()) {
520 d << "_" << dcp_content_type()->isdcf_name();
521 d << "-" << isdcf_metadata().content_version;
524 ISDCFMetadata const dm = isdcf_metadata ();
526 if (dm.temp_version) {
530 if (dm.pre_release) {
538 if (!dm.chain.empty ()) {
539 d << "-" << dm.chain;
546 if (dm.two_d_version_of_three_d) {
550 if (!dm.mastered_luminance.empty ()) {
551 d << "-" << dm.mastered_luminance;
554 if (video_frame_rate() != 24) {
555 d << "-" << video_frame_rate();
559 d << "_" << container()->isdcf_name();
562 /* XXX: this uses the first bit of content only */
564 /* The standard says we don't do this for trailers, for some strange reason */
565 if (dcp_content_type() && dcp_content_type()->libdcp_kind() != dcp::TRAILER) {
566 Ratio const * content_ratio = 0;
567 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
568 shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (i);
570 /* Here's the first piece of video content */
571 if (vc->scale().ratio ()) {
572 content_ratio = vc->scale().ratio ();
574 content_ratio = Ratio::from_ratio (vc->video_size().ratio ());
580 if (content_ratio && content_ratio != container()) {
581 d << "-" << content_ratio->isdcf_name();
585 if (!dm.audio_language.empty ()) {
586 d << "_" << dm.audio_language;
587 if (!dm.subtitle_language.empty()) {
588 d << "-" << dm.subtitle_language;
594 if (!dm.territory.empty ()) {
595 d << "_" << dm.territory;
596 if (dm.rating.empty ()) {
599 d << "-" << dm.rating;
603 /* Find all mapped channels */
608 if (audio_processor ()) {
609 /* Processors are mapped 1:1 to DCP outputs so we can guess the number of LFE/
610 non-LFE from the channel counts.
612 non_lfe = audio_processor()->out_channels ();
619 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
620 shared_ptr<const AudioContent> ac = dynamic_pointer_cast<const AudioContent> (i);
622 list<int> c = ac->audio_mapping().mapped_output_channels ();
623 copy (c.begin(), c.end(), back_inserter (mapped));
632 for (list<int>::const_iterator i = mapped.begin(); i != mapped.end(); ++i) {
633 if (*i >= audio_channels()) {
634 /* This channel is mapped but is not included in the DCP */
638 if (static_cast<dcp::Channel> (*i) == dcp::LFE) {
647 d << "_" << non_lfe << lfe;
652 d << "_" << resolution_to_string (_resolution);
654 if (!dm.studio.empty ()) {
655 d << "_" << dm.studio;
658 if (if_created_now) {
659 d << "_" << boost::gregorian::to_iso_string (boost::gregorian::day_clock::local_day ());
661 d << "_" << boost::gregorian::to_iso_string (_isdcf_date);
664 if (!dm.facility.empty ()) {
665 d << "_" << dm.facility;
679 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
680 shared_ptr<const DCPContent> dc = dynamic_pointer_cast<const DCPContent> (i);
681 if (dc && (dc->reference_video() || dc->reference_audio() || dc->reference_subtitle())) {
695 /** @return name to give the DCP */
697 Film::dcp_name (bool if_created_now) const
700 if (use_isdcf_name()) {
701 unfiltered = isdcf_name (if_created_now);
703 unfiltered = name ();
706 /* Filter out `bad' characters which cause problems with some systems.
707 There's no apparent list of what really is allowed, so this is a guess.
711 string const allowed = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_";
712 for (size_t i = 0; i < unfiltered.size(); ++i) {
713 if (allowed.find (unfiltered[i]) != string::npos) {
714 filtered += unfiltered[i];
722 Film::set_directory (boost::filesystem::path d)
729 Film::set_name (string n)
732 signal_changed (NAME);
736 Film::set_use_isdcf_name (bool u)
739 signal_changed (USE_ISDCF_NAME);
743 Film::set_dcp_content_type (DCPContentType const * t)
745 _dcp_content_type = t;
746 signal_changed (DCP_CONTENT_TYPE);
750 Film::set_container (Ratio const * c)
753 signal_changed (CONTAINER);
757 Film::set_resolution (Resolution r)
760 signal_changed (RESOLUTION);
764 Film::set_j2k_bandwidth (int b)
767 signal_changed (J2K_BANDWIDTH);
771 Film::set_isdcf_metadata (ISDCFMetadata m)
774 signal_changed (ISDCF_METADATA);
778 Film::set_video_frame_rate (int f)
780 _video_frame_rate = f;
781 signal_changed (VIDEO_FRAME_RATE);
785 Film::set_audio_channels (int c)
788 signal_changed (AUDIO_CHANNELS);
792 Film::set_three_d (bool t)
795 signal_changed (THREE_D);
797 if (_three_d && _isdcf_metadata.two_d_version_of_three_d) {
798 _isdcf_metadata.two_d_version_of_three_d = false;
799 signal_changed (ISDCF_METADATA);
804 Film::set_interop (bool i)
807 signal_changed (INTEROP);
811 Film::set_audio_processor (AudioProcessor const * processor)
813 _audio_processor = processor;
814 signal_changed (AUDIO_PROCESSOR);
815 signal_changed (AUDIO_CHANNELS);
819 Film::signal_changed (Property p)
825 set_video_frame_rate (_playlist->best_dcp_frame_rate ());
827 case Film::VIDEO_FRAME_RATE:
828 case Film::SEQUENCE_VIDEO:
829 _playlist->maybe_sequence_video ();
835 emit (boost::bind (boost::ref (Changed), p));
839 Film::set_isdcf_date_today ()
841 _isdcf_date = boost::gregorian::day_clock::local_day ();
844 boost::filesystem::path
845 Film::j2c_path (int f, Eyes e, bool t) const
847 boost::filesystem::path p;
849 p /= video_identifier ();
853 s << setfill('0') << f;
855 if (e == EYES_LEFT) {
857 } else if (e == EYES_RIGHT) {
871 /** Find all the DCPs in our directory that can be dcp::DCP::read() and return details of their CPLs */
875 vector<CPLSummary> out;
877 boost::filesystem::path const dir = directory ();
878 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator(dir); i != boost::filesystem::directory_iterator(); ++i) {
880 boost::filesystem::is_directory (*i) &&
881 i->path().leaf() != "j2c" && i->path().leaf() != "video" && i->path().leaf() != "info" && i->path().leaf() != "analysis"
889 i->path().leaf().string(),
890 dcp.cpls().front()->id(),
891 dcp.cpls().front()->annotation_text(),
892 dcp.cpls().front()->file()
905 Film::set_signed (bool s)
908 signal_changed (SIGNED);
912 Film::set_encrypted (bool e)
915 signal_changed (ENCRYPTED);
919 Film::set_key (dcp::Key key)
922 signal_changed (KEY);
926 Film::content () const
928 return _playlist->content ();
932 Film::examine_content (shared_ptr<Content> c)
934 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c));
935 JobManager::instance()->add (j);
939 Film::examine_and_add_content (shared_ptr<Content> c)
941 if (dynamic_pointer_cast<FFmpegContent> (c) && !_directory.empty ()) {
942 run_ffprobe (c->path(0), file ("ffprobe.log"), _log);
945 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c));
947 _job_connections.push_back (
948 j->Finished.connect (bind (&Film::maybe_add_content, this, weak_ptr<Job> (j), weak_ptr<Content> (c)))
951 JobManager::instance()->add (j);
955 Film::maybe_add_content (weak_ptr<Job> j, weak_ptr<Content> c)
957 shared_ptr<Job> job = j.lock ();
958 if (!job || !job->finished_ok ()) {
962 shared_ptr<Content> content = c.lock ();
967 add_content (content);
968 if (Config::instance()->automatic_audio_analysis ()) {
969 shared_ptr<Playlist> playlist (new Playlist);
970 playlist->add (content);
971 boost::signals2::connection c;
972 JobManager::instance()->analyse_audio (
973 shared_from_this (), playlist, c, bind (&Film::audio_analysis_finished, this)
975 _audio_analysis_connections.push_back (c);
980 Film::add_content (shared_ptr<Content> c)
982 /* Add video content after any existing content */
983 if (dynamic_pointer_cast<VideoContent> (c)) {
984 c->set_position (_playlist->video_end ());
991 Film::remove_content (shared_ptr<Content> c)
993 _playlist->remove (c);
997 Film::move_content_earlier (shared_ptr<Content> c)
999 _playlist->move_earlier (c);
1003 Film::move_content_later (shared_ptr<Content> c)
1005 _playlist->move_later (c);
1008 /** @return length of the film from time 0 to the last thing on the playlist */
1010 Film::length () const
1012 return _playlist->length ();
1016 Film::best_video_frame_rate () const
1018 return _playlist->best_dcp_frame_rate ();
1022 Film::active_frame_rate_change (DCPTime t) const
1024 return _playlist->active_frame_rate_change (t, video_frame_rate ());
1028 Film::playlist_content_changed (weak_ptr<Content> c, int p, bool frequent)
1032 if (p == VideoContentProperty::VIDEO_FRAME_RATE) {
1033 set_video_frame_rate (_playlist->best_dcp_frame_rate ());
1034 } else if (p == AudioContentProperty::AUDIO_STREAMS) {
1035 signal_changed (NAME);
1038 emit (boost::bind (boost::ref (ContentChanged), c, p, frequent));
1042 Film::playlist_changed ()
1044 signal_changed (CONTENT);
1045 signal_changed (NAME);
1049 Film::audio_frame_rate () const
1051 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
1052 shared_ptr<AudioContent> a = dynamic_pointer_cast<AudioContent> (i);
1053 if (a && a->has_rate_above_48k ()) {
1062 Film::set_sequence_video (bool s)
1064 _sequence_video = s;
1065 _playlist->set_sequence_video (s);
1066 signal_changed (SEQUENCE_VIDEO);
1069 /** @return Size of the largest possible image in whatever resolution we are using */
1071 Film::full_frame () const
1073 switch (_resolution) {
1075 return dcp::Size (2048, 1080);
1077 return dcp::Size (4096, 2160);
1080 DCPOMATIC_ASSERT (false);
1081 return dcp::Size ();
1084 /** @return Size of the frame */
1086 Film::frame_size () const
1088 return fit_ratio_within (container()->ratio(), full_frame ());
1093 dcp::Certificate target,
1094 boost::filesystem::path cpl_file,
1095 dcp::LocalTime from,
1096 dcp::LocalTime until,
1097 dcp::Formulation formulation
1100 shared_ptr<const dcp::CPL> cpl (new dcp::CPL (cpl_file));
1101 shared_ptr<const dcp::CertificateChain> signer = Config::instance()->signer_chain ();
1102 if (!signer->valid ()) {
1103 throw InvalidSignerError ();
1106 return dcp::DecryptedKDM (
1107 cpl, key(), from, until, "DCP-o-matic", cpl->content_title_text(), dcp::LocalTime().as_string()
1108 ).encrypt (signer, target, formulation);
1111 list<dcp::EncryptedKDM>
1113 list<shared_ptr<Screen> > screens,
1114 boost::filesystem::path dcp,
1115 dcp::LocalTime from,
1116 dcp::LocalTime until,
1117 dcp::Formulation formulation
1120 list<dcp::EncryptedKDM> kdms;
1122 for (list<shared_ptr<Screen> >::iterator i = screens.begin(); i != screens.end(); ++i) {
1123 if ((*i)->certificate) {
1124 kdms.push_back (make_kdm ((*i)->certificate.get(), dcp, from, until, formulation));
1131 /** @return The approximate disk space required to encode a DCP of this film with the
1132 * current settings, in bytes.
1135 Film::required_disk_space () const
1137 return uint64_t (j2k_bandwidth() / 8) * length().seconds();
1140 /** This method checks the disk that the Film is on and tries to decide whether or not
1141 * there will be enough space to make a DCP for it. If so, true is returned; if not,
1142 * false is returned and required and availabe are filled in with the amount of disk space
1143 * required and available respectively (in Gb).
1145 * Note: the decision made by this method isn't, of course, 100% reliable.
1148 Film::should_be_enough_disk_space (double& required, double& available, bool& can_hard_link) const
1150 /* Create a test file and see if we can hard-link it */
1151 boost::filesystem::path test = internal_video_asset_dir() / "test";
1152 boost::filesystem::path test2 = internal_video_asset_dir() / "test2";
1153 can_hard_link = true;
1154 FILE* f = fopen_boost (test, "w");
1157 boost::system::error_code ec;
1158 boost::filesystem::create_hard_link (test, test2, ec);
1160 can_hard_link = false;
1162 boost::filesystem::remove (test);
1163 boost::filesystem::remove (test2);
1166 boost::filesystem::space_info s = boost::filesystem::space (internal_video_asset_dir ());
1167 required = double (required_disk_space ()) / 1073741824.0f;
1168 if (!can_hard_link) {
1171 available = double (s.available) / 1073741824.0f;
1172 return (available - required) > 1;
1176 Film::subtitle_language () const
1178 set<string> languages;
1180 ContentList cl = content ();
1181 BOOST_FOREACH (shared_ptr<Content>& c, cl) {
1182 shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (c);
1184 languages.insert (sc->subtitle_language ());
1189 BOOST_FOREACH (string s, languages) {
1190 if (!all.empty ()) {
1200 /** Change the gains of the supplied AudioMapping to make it a default
1201 * for this film. The defaults are guessed based on what processor (if any)
1202 * is in use and the number of input channels.
1205 Film::make_audio_mapping_default (AudioMapping& mapping) const
1207 if (audio_processor ()) {
1208 audio_processor()->make_audio_mapping_default (mapping);
1210 mapping.make_zero ();
1211 if (mapping.input_channels() == 1) {
1212 /* Mono -> Centre */
1213 mapping.set (0, static_cast<int> (dcp::CENTRE), 1);
1216 for (int i = 0; i < min (mapping.input_channels(), mapping.output_channels()); ++i) {
1217 mapping.set (i, i, 1);
1223 /** @return The names of the channels that audio contents' outputs are passed into;
1224 * this is either the DCP or a AudioProcessor.
1227 Film::audio_output_names () const
1229 if (audio_processor ()) {
1230 return audio_processor()->input_names ();
1234 n.push_back (_("L"));
1235 n.push_back (_("R"));
1236 n.push_back (_("C"));
1237 n.push_back (_("Lfe"));
1238 n.push_back (_("Ls"));
1239 n.push_back (_("Rs"));
1240 n.push_back (_("HI"));
1241 n.push_back (_("VI"));
1242 n.push_back (_("Lc"));
1243 n.push_back (_("Rc"));
1244 n.push_back (_("BsL"));
1245 n.push_back (_("BsR"));
1247 return vector<string> (n.begin(), n.begin() + audio_channels ());
1251 Film::repeat_content (ContentList c, int n)
1253 _playlist->repeat (c, n);
1257 Film::remove_content (ContentList c)
1259 _playlist->remove (c);
1263 Film::audio_analysis_finished ()