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 "scp_dcp_job.h"
32 #include "exceptions.h"
33 #include "examine_content_job.h"
37 #include "dcp_content_type.h"
41 #include "safe_stringstream.h"
42 #include "environment_info.h"
43 #include "raw_convert.h"
44 #include "audio_processor.h"
45 #include "md5_digester.h"
46 #include <libcxml/cxml.h>
48 #include <dcp/signer.h>
50 #include <dcp/local_time.h>
51 #include <dcp/decrypted_kdm.h>
52 #include <libxml++/libxml++.h>
53 #include <boost/filesystem.hpp>
54 #include <boost/algorithm/string.hpp>
55 #include <boost/lexical_cast.hpp>
56 #include <boost/foreach.hpp>
81 using boost::shared_ptr;
82 using boost::weak_ptr;
83 using boost::dynamic_pointer_cast;
84 using boost::to_upper_copy;
85 using boost::ends_with;
86 using boost::starts_with;
87 using boost::optional;
88 using boost::is_any_of;
92 #define LOG_GENERAL(...) log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
93 #define LOG_GENERAL_NC(...) log()->log (__VA_ARGS__, Log::TYPE_GENERAL);
96 * AudioMapping XML changed.
98 * Subtitle offset changed to subtitle y offset, and subtitle x offset added.
100 * Use <Scale> tag in <VideoContent> rather than <Ratio>.
104 * Subtitle X and Y scale.
106 * Bumped to 32 for 2.0 branch; some times are expressed in Times rather
109 int const Film::current_state_version = 32;
111 /** Construct a Film object in a given directory.
113 * @param dir Film directory.
116 Film::Film (boost::filesystem::path dir, bool log)
117 : _playlist (new Playlist)
118 , _use_isdcf_name (true)
119 , _dcp_content_type (Config::instance()->default_dcp_content_type ())
120 , _container (Config::instance()->default_container ())
121 , _resolution (RESOLUTION_2K)
124 , _j2k_bandwidth (Config::instance()->default_j2k_bandwidth ())
125 , _isdcf_metadata (Config::instance()->default_isdcf_metadata ())
126 , _video_frame_rate (24)
127 , _audio_channels (6)
129 , _sequence_video (true)
131 , _burn_subtitles (false)
132 , _audio_processor (0)
133 , _state_version (current_state_version)
136 set_isdcf_date_today ();
138 _playlist_changed_connection = _playlist->Changed.connect (bind (&Film::playlist_changed, this));
139 _playlist_content_changed_connection = _playlist->ContentChanged.connect (bind (&Film::playlist_content_changed, this, _1, _2, _3));
141 /* Make state.directory a complete path without ..s (where possible)
142 (Code swiped from Adam Bowen on stackoverflow)
145 boost::filesystem::path p (boost::filesystem::system_complete (dir));
146 boost::filesystem::path result;
147 for (boost::filesystem::path::iterator i = p.begin(); i != p.end(); ++i) {
149 if (boost::filesystem::is_symlink (result) || result.filename() == "..") {
152 result = result.parent_path ();
154 } else if (*i != ".") {
159 set_directory (result.make_preferred ());
161 _log.reset (new FileLog (file ("log")));
163 _log.reset (new NullLog);
166 _playlist->set_sequence_video (_sequence_video);
171 for (list<boost::signals2::connection>::const_iterator i = _job_connections.begin(); i != _job_connections.end(); ++i) {
177 Film::video_identifier () const
179 DCPOMATIC_ASSERT (container ());
182 s.imbue (std::locale::classic ());
184 s << container()->id()
185 << "_" << resolution_to_string (_resolution)
186 << "_" << _playlist->video_identifier()
187 << "_" << _video_frame_rate
188 << "_" << j2k_bandwidth();
202 if (_burn_subtitles) {
213 /** @return The file to write video frame info to */
214 boost::filesystem::path
215 Film::info_file () const
217 boost::filesystem::path p;
219 p /= video_identifier ();
223 boost::filesystem::path
224 Film::internal_video_asset_dir () const
226 return dir ("video");
229 boost::filesystem::path
230 Film::internal_video_asset_filename () const
232 return video_identifier() + ".mxf";
236 Film::filename_safe_name () const
238 string const n = name ();
240 for (size_t i = 0; i < n.length(); ++i) {
241 if (isalnum (n[i])) {
251 boost::filesystem::path
252 Film::audio_analysis_path () const
254 boost::filesystem::path p = dir ("analysis");
256 MD5Digester digester;
257 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
258 shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (i);
263 digester.add (ac->digest ());
264 digester.add (ac->audio_mapping().digest ());
265 digester.add (ac->audio_gain ());
268 if (audio_processor ()) {
269 digester.add (audio_processor()->id ());
272 p /= digester.get ();
276 /** Add suitable Jobs to the JobManager to create a DCP for this Film */
280 if (dcp_name().find ("/") != string::npos) {
281 throw BadSettingError (_("name"), _("cannot contain slashes"));
284 bool must_burn = false;
285 ContentList cl = content ();
286 BOOST_FOREACH (shared_ptr<Content> c, cl) {
287 shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (c);
288 if (sc && sc->has_image_subtitles() && sc->use_subtitles() && !burn_subtitles()) {
294 throw EncodeError (_("this project has content with image-based subtitles, which this version of DCP-o-matic cannot include as separate DCP subtitles. To use subtitles with this project you must burn them into the image (tick the box on the DCP Video tab)."));
297 set_isdcf_date_today ();
299 environment_info (log ());
301 for (ContentList::const_iterator i = cl.begin(); i != cl.end(); ++i) {
302 LOG_GENERAL ("Content: %1", (*i)->technical_summary());
304 LOG_GENERAL ("DCP video rate %1 fps", video_frame_rate());
305 LOG_GENERAL ("%1 threads", Config::instance()->num_local_encoding_threads());
306 LOG_GENERAL ("J2K bandwidth %1", j2k_bandwidth());
308 if (container() == 0) {
309 throw MissingSettingError (_("container"));
312 if (content().empty()) {
313 throw StringError (_("You must add some content to the DCP before creating it"));
316 if (dcp_content_type() == 0) {
317 throw MissingSettingError (_("content type"));
320 if (name().empty()) {
321 throw MissingSettingError (_("name"));
324 JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (shared_from_this())));
327 /** Start a job to send our DCP to the configured TMS */
329 Film::send_dcp_to_tms ()
331 shared_ptr<Job> j (new SCPDCPJob (shared_from_this()));
332 JobManager::instance()->add (j);
335 shared_ptr<xmlpp::Document>
336 Film::metadata () const
338 shared_ptr<xmlpp::Document> doc (new xmlpp::Document);
339 xmlpp::Element* root = doc->create_root_node ("Metadata");
341 root->add_child("Version")->add_child_text (raw_convert<string> (current_state_version));
342 root->add_child("Name")->add_child_text (_name);
343 root->add_child("UseISDCFName")->add_child_text (_use_isdcf_name ? "1" : "0");
345 if (_dcp_content_type) {
346 root->add_child("DCPContentType")->add_child_text (_dcp_content_type->isdcf_name ());
350 root->add_child("Container")->add_child_text (_container->id ());
353 root->add_child("Resolution")->add_child_text (resolution_to_string (_resolution));
354 root->add_child("J2KBandwidth")->add_child_text (raw_convert<string> (_j2k_bandwidth));
355 _isdcf_metadata.as_xml (root->add_child ("ISDCFMetadata"));
356 root->add_child("VideoFrameRate")->add_child_text (raw_convert<string> (_video_frame_rate));
357 root->add_child("ISDCFDate")->add_child_text (boost::gregorian::to_iso_string (_isdcf_date));
358 root->add_child("AudioChannels")->add_child_text (raw_convert<string> (_audio_channels));
359 root->add_child("ThreeD")->add_child_text (_three_d ? "1" : "0");
360 root->add_child("SequenceVideo")->add_child_text (_sequence_video ? "1" : "0");
361 root->add_child("Interop")->add_child_text (_interop ? "1" : "0");
362 root->add_child("BurnSubtitles")->add_child_text (_burn_subtitles ? "1" : "0");
363 root->add_child("Signed")->add_child_text (_signed ? "1" : "0");
364 root->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
365 root->add_child("Key")->add_child_text (_key.hex ());
366 if (_audio_processor) {
367 root->add_child("AudioProcessor")->add_child_text (_audio_processor->id ());
369 _playlist->as_xml (root->add_child ("Playlist"));
374 /** Write state to our `metadata' file */
376 Film::write_metadata () const
378 boost::filesystem::create_directories (directory ());
379 shared_ptr<xmlpp::Document> doc = metadata ();
380 doc->write_to_file_formatted (file("metadata.xml").string ());
384 /** Read state from our metadata file.
385 * @return Notes about things that the user should know about, or empty.
388 Film::read_metadata ()
390 if (boost::filesystem::exists (file ("metadata")) && !boost::filesystem::exists (file ("metadata.xml"))) {
391 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!"));
394 cxml::Document f ("Metadata");
395 f.read_file (file ("metadata.xml"));
397 _state_version = f.number_child<int> ("Version");
398 if (_state_version > current_state_version) {
399 throw StringError (_("This film was created with a newer version of DCP-o-matic, and it cannot be loaded into this version. Sorry!"));
402 _name = f.string_child ("Name");
403 if (_state_version >= 9) {
404 _use_isdcf_name = f.bool_child ("UseISDCFName");
405 _isdcf_metadata = ISDCFMetadata (f.node_child ("ISDCFMetadata"));
406 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("ISDCFDate"));
408 _use_isdcf_name = f.bool_child ("UseDCIName");
409 _isdcf_metadata = ISDCFMetadata (f.node_child ("DCIMetadata"));
410 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("DCIDate"));
414 optional<string> c = f.optional_string_child ("DCPContentType");
416 _dcp_content_type = DCPContentType::from_isdcf_name (c.get ());
421 optional<string> c = f.optional_string_child ("Container");
423 _container = Ratio::from_id (c.get ());
427 _resolution = string_to_resolution (f.string_child ("Resolution"));
428 _j2k_bandwidth = f.number_child<int> ("J2KBandwidth");
429 _video_frame_rate = f.number_child<int> ("VideoFrameRate");
430 _signed = f.optional_bool_child("Signed").get_value_or (true);
431 _encrypted = f.bool_child ("Encrypted");
432 _audio_channels = f.number_child<int> ("AudioChannels");
433 /* We used to allow odd numbers (and zero) channels, but it's just not worth
436 if (_audio_channels == 0) {
438 } else if ((_audio_channels % 2) == 1) {
441 _sequence_video = f.bool_child ("SequenceVideo");
442 _three_d = f.bool_child ("ThreeD");
443 _interop = f.bool_child ("Interop");
444 if (_state_version >= 32) {
445 _burn_subtitles = f.bool_child ("BurnSubtitles");
447 _key = dcp::Key (f.string_child ("Key"));
449 if (f.optional_string_child ("AudioProcessor")) {
450 _audio_processor = AudioProcessor::from_id (f.string_child ("AudioProcessor"));
452 _audio_processor = 0;
456 /* This method is the only one that can return notes (so far) */
457 _playlist->set_from_xml (shared_from_this(), f.node_child ("Playlist"), _state_version, notes);
459 /* Write backtraces to this film's directory, until another film is loaded */
460 set_backtrace_file (file ("backtrace.txt"));
466 /** Given a directory name, return its full path within the Film's directory.
467 * The directory (and its parents) will be created if they do not exist.
469 boost::filesystem::path
470 Film::dir (boost::filesystem::path d) const
472 boost::filesystem::path p;
476 boost::filesystem::create_directories (p);
481 /** Given a file or directory name, return its full path within the Film's directory.
482 * Any required parent directories will be created.
484 boost::filesystem::path
485 Film::file (boost::filesystem::path f) const
487 boost::filesystem::path p;
491 boost::filesystem::create_directories (p.parent_path ());
496 /** @return a ISDCF-compliant name for a DCP of this film */
498 Film::isdcf_name (bool if_created_now) const
502 string raw_name = name ();
504 /* Split the raw name up into words */
505 vector<string> words;
506 split (words, raw_name, is_any_of (" "));
510 /* Add each word to fixed_name */
511 for (vector<string>::const_iterator i = words.begin(); i != words.end(); ++i) {
514 /* First letter is always capitalised */
515 w[0] = toupper (w[0]);
517 /* Count caps in w */
519 for (size_t i = 0; i < w.size(); ++i) {
520 if (isupper (w[i])) {
525 /* If w is all caps make the rest of it lower case, otherwise
528 if (caps == w.size ()) {
529 for (size_t i = 1; i < w.size(); ++i) {
530 w[i] = tolower (w[i]);
534 for (size_t i = 0; i < w.size(); ++i) {
539 if (fixed_name.length() > 14) {
540 fixed_name = fixed_name.substr (0, 14);
545 if (dcp_content_type()) {
546 d << "_" << dcp_content_type()->isdcf_name();
547 d << "-" << isdcf_metadata().content_version;
550 ISDCFMetadata const dm = isdcf_metadata ();
552 if (dm.temp_version) {
556 if (dm.pre_release) {
564 if (!dm.chain.empty ()) {
565 d << "-" << dm.chain;
572 if (dm.two_d_version_of_three_d) {
576 if (!dm.mastered_luminance.empty ()) {
577 d << "-" << dm.mastered_luminance;
580 if (video_frame_rate() != 24) {
581 d << "-" << video_frame_rate();
585 d << "_" << container()->isdcf_name();
588 ContentList cl = content ();
590 /* XXX: this uses the first bit of content only */
592 /* The standard says we don't do this for trailers, for some strange reason */
593 if (dcp_content_type() && dcp_content_type()->libdcp_kind() != dcp::TRAILER) {
594 Ratio const * content_ratio = 0;
595 for (ContentList::iterator i = cl.begin(); i != cl.end(); ++i) {
596 shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (*i);
598 /* Here's the first piece of video content */
599 if (vc->scale().ratio ()) {
600 content_ratio = vc->scale().ratio ();
602 content_ratio = Ratio::from_ratio (vc->video_size().ratio ());
608 if (content_ratio && content_ratio != container()) {
609 d << "-" << content_ratio->isdcf_name();
613 if (!dm.audio_language.empty ()) {
614 d << "_" << dm.audio_language;
615 if (!dm.subtitle_language.empty()) {
616 d << "-" << dm.subtitle_language;
622 if (!dm.territory.empty ()) {
623 d << "_" << dm.territory;
624 if (!dm.rating.empty ()) {
625 d << "-" << dm.rating;
629 /* Find all mapped channels */
634 if (audio_processor ()) {
635 /* Processors are mapped 1:1 to DCP outputs so we can guess the number of LFE/
636 non-LFE from the channel counts.
638 non_lfe = audio_processor()->out_channels ();
645 for (ContentList::const_iterator i = cl.begin(); i != cl.end(); ++i) {
646 shared_ptr<const AudioContent> ac = dynamic_pointer_cast<const AudioContent> (*i);
648 list<int> c = ac->audio_mapping().mapped_output_channels ();
649 copy (c.begin(), c.end(), back_inserter (mapped));
658 for (list<int>::const_iterator i = mapped.begin(); i != mapped.end(); ++i) {
659 if (*i >= audio_channels()) {
660 /* This channel is mapped but is not included in the DCP */
664 if (static_cast<dcp::Channel> (*i) == dcp::LFE) {
673 d << "_" << non_lfe << lfe;
678 d << "_" << resolution_to_string (_resolution);
680 if (!dm.studio.empty ()) {
681 d << "_" << dm.studio;
684 if (if_created_now) {
685 d << "_" << boost::gregorian::to_iso_string (boost::gregorian::day_clock::local_day ());
687 d << "_" << boost::gregorian::to_iso_string (_isdcf_date);
690 if (!dm.facility.empty ()) {
691 d << "_" << dm.facility;
704 if (!dm.package_type.empty ()) {
705 d << "_" << dm.package_type;
711 /** @return name to give the DCP */
713 Film::dcp_name (bool if_created_now) const
716 if (use_isdcf_name()) {
717 unfiltered = isdcf_name (if_created_now);
719 unfiltered = name ();
722 /* Filter out `bad' characters which cause problems with some systems.
723 There's no apparent list of what really is allowed, so this is a guess.
727 string const allowed = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_";
728 for (size_t i = 0; i < unfiltered.size(); ++i) {
729 if (allowed.find (unfiltered[i]) != string::npos) {
730 filtered += unfiltered[i];
738 Film::set_directory (boost::filesystem::path d)
745 Film::set_name (string n)
748 signal_changed (NAME);
752 Film::set_use_isdcf_name (bool u)
755 signal_changed (USE_ISDCF_NAME);
759 Film::set_dcp_content_type (DCPContentType const * t)
761 _dcp_content_type = t;
762 signal_changed (DCP_CONTENT_TYPE);
766 Film::set_container (Ratio const * c)
769 signal_changed (CONTAINER);
773 Film::set_resolution (Resolution r)
776 signal_changed (RESOLUTION);
780 Film::set_j2k_bandwidth (int b)
783 signal_changed (J2K_BANDWIDTH);
787 Film::set_isdcf_metadata (ISDCFMetadata m)
790 signal_changed (ISDCF_METADATA);
794 Film::set_video_frame_rate (int f)
796 _video_frame_rate = f;
797 signal_changed (VIDEO_FRAME_RATE);
801 Film::set_audio_channels (int c)
804 signal_changed (AUDIO_CHANNELS);
808 Film::set_three_d (bool t)
811 signal_changed (THREE_D);
815 Film::set_interop (bool i)
818 signal_changed (INTEROP);
822 Film::set_burn_subtitles (bool b)
825 signal_changed (BURN_SUBTITLES);
829 Film::set_audio_processor (AudioProcessor const * processor)
831 _audio_processor = processor;
832 signal_changed (AUDIO_PROCESSOR);
833 signal_changed (AUDIO_CHANNELS);
837 Film::signal_changed (Property p)
843 set_video_frame_rate (_playlist->best_dcp_frame_rate ());
845 case Film::VIDEO_FRAME_RATE:
846 case Film::SEQUENCE_VIDEO:
847 _playlist->maybe_sequence_video ();
853 emit (boost::bind (boost::ref (Changed), p));
857 Film::set_isdcf_date_today ()
859 _isdcf_date = boost::gregorian::day_clock::local_day ();
862 boost::filesystem::path
863 Film::j2c_path (int f, Eyes e, bool t) const
865 boost::filesystem::path p;
867 p /= video_identifier ();
871 s << setfill('0') << f;
873 if (e == EYES_LEFT) {
875 } else if (e == EYES_RIGHT) {
889 /** Find all the DCPs in our directory that can be dcp::DCP::read() and return details of their CPLs */
893 vector<CPLSummary> out;
895 boost::filesystem::path const dir = directory ();
896 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator(dir); i != boost::filesystem::directory_iterator(); ++i) {
898 boost::filesystem::is_directory (*i) &&
899 i->path().leaf() != "j2c" && i->path().leaf() != "video" && i->path().leaf() != "info" && i->path().leaf() != "analysis"
907 i->path().leaf().string(),
908 dcp.cpls().front()->id(),
909 dcp.cpls().front()->annotation_text(),
910 dcp.cpls().front()->file()
923 Film::set_signed (bool s)
926 signal_changed (SIGNED);
930 Film::set_encrypted (bool e)
933 signal_changed (ENCRYPTED);
937 Film::set_key (dcp::Key key)
940 signal_changed (KEY);
944 Film::content () const
946 return _playlist->content ();
950 Film::examine_content (shared_ptr<Content> c)
952 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c));
953 JobManager::instance()->add (j);
957 Film::examine_and_add_content (shared_ptr<Content> c)
959 if (dynamic_pointer_cast<FFmpegContent> (c)) {
960 run_ffprobe (c->path(0), file ("ffprobe.log"), _log);
963 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c));
965 _job_connections.push_back (
966 j->Finished.connect (bind (&Film::maybe_add_content, this, boost::weak_ptr<Job> (j), boost::weak_ptr<Content> (c)))
969 JobManager::instance()->add (j);
973 Film::maybe_add_content (weak_ptr<Job> j, weak_ptr<Content> c)
975 shared_ptr<Job> job = j.lock ();
976 if (!job || !job->finished_ok ()) {
980 shared_ptr<Content> content = c.lock ();
982 add_content (content);
987 Film::add_content (shared_ptr<Content> c)
989 /* Add video content after any existing content */
990 if (dynamic_pointer_cast<VideoContent> (c)) {
991 c->set_position (_playlist->video_end ());
998 Film::remove_content (shared_ptr<Content> c)
1000 _playlist->remove (c);
1004 Film::move_content_earlier (shared_ptr<Content> c)
1006 _playlist->move_earlier (c);
1010 Film::move_content_later (shared_ptr<Content> c)
1012 _playlist->move_later (c);
1016 Film::length () const
1018 return _playlist->length ();
1022 Film::best_video_frame_rate () const
1024 return _playlist->best_dcp_frame_rate ();
1028 Film::active_frame_rate_change (DCPTime t) const
1030 return _playlist->active_frame_rate_change (t, video_frame_rate ());
1034 Film::playlist_content_changed (boost::weak_ptr<Content> c, int p, bool frequent)
1036 if (p == VideoContentProperty::VIDEO_FRAME_RATE) {
1037 set_video_frame_rate (_playlist->best_dcp_frame_rate ());
1038 } else if (p == AudioContentProperty::AUDIO_STREAMS) {
1039 signal_changed (NAME);
1042 emit (boost::bind (boost::ref (ContentChanged), c, p, frequent));
1046 Film::playlist_changed ()
1048 signal_changed (CONTENT);
1049 signal_changed (NAME);
1053 Film::audio_frame_rate () const
1060 Film::set_sequence_video (bool s)
1062 _sequence_video = s;
1063 _playlist->set_sequence_video (s);
1064 signal_changed (SEQUENCE_VIDEO);
1067 /** @return Size of the largest possible image in whatever resolution we are using */
1069 Film::full_frame () const
1071 switch (_resolution) {
1073 return dcp::Size (2048, 1080);
1075 return dcp::Size (4096, 2160);
1078 DCPOMATIC_ASSERT (false);
1079 return dcp::Size ();
1082 /** @return Size of the frame */
1084 Film::frame_size () const
1086 return fit_ratio_within (container()->ratio(), full_frame ());
1091 dcp::Certificate target,
1092 boost::filesystem::path cpl_file,
1093 dcp::LocalTime from,
1094 dcp::LocalTime until,
1095 dcp::Formulation formulation
1098 shared_ptr<const dcp::CPL> cpl (new dcp::CPL (cpl_file));
1099 shared_ptr<const dcp::Signer> signer = Config::instance()->signer();
1100 if (!signer->valid ()) {
1101 throw InvalidSignerError ();
1104 return dcp::DecryptedKDM (
1105 cpl, key(), from, until, "DCP-o-matic", cpl->content_title_text(), dcp::LocalTime().as_string()
1106 ).encrypt (signer, target, formulation);
1109 list<dcp::EncryptedKDM>
1111 list<shared_ptr<Screen> > screens,
1112 boost::filesystem::path dcp,
1113 dcp::LocalTime from,
1114 dcp::LocalTime until,
1115 dcp::Formulation formulation
1118 list<dcp::EncryptedKDM> kdms;
1120 for (list<shared_ptr<Screen> >::iterator i = screens.begin(); i != screens.end(); ++i) {
1121 if ((*i)->certificate) {
1122 kdms.push_back (make_kdm ((*i)->certificate.get(), dcp, from, until, formulation));
1129 /** @return The approximate disk space required to encode a DCP of this film with the
1130 * current settings, in bytes.
1133 Film::required_disk_space () const
1135 return uint64_t (j2k_bandwidth() / 8) * length().seconds();
1138 /** This method checks the disk that the Film is on and tries to decide whether or not
1139 * there will be enough space to make a DCP for it. If so, true is returned; if not,
1140 * false is returned and required and availabe are filled in with the amount of disk space
1141 * required and available respectively (in Gb).
1143 * Note: the decision made by this method isn't, of course, 100% reliable.
1146 Film::should_be_enough_disk_space (double& required, double& available, bool& can_hard_link) const
1148 /* Create a test file and see if we can hard-link it */
1149 boost::filesystem::path test = internal_video_asset_dir() / "test";
1150 boost::filesystem::path test2 = internal_video_asset_dir() / "test2";
1151 can_hard_link = true;
1152 FILE* f = fopen_boost (test, "w");
1155 boost::system::error_code ec;
1156 boost::filesystem::create_hard_link (test, test2, ec);
1158 can_hard_link = false;
1160 boost::filesystem::remove (test);
1161 boost::filesystem::remove (test2);
1164 boost::filesystem::space_info s = boost::filesystem::space (internal_video_asset_dir ());
1165 required = double (required_disk_space ()) / 1073741824.0f;
1166 if (!can_hard_link) {
1169 available = double (s.available) / 1073741824.0f;
1170 return (available - required) > 1;
1174 Film::subtitle_language () const
1176 set<string> languages;
1178 ContentList cl = content ();
1179 BOOST_FOREACH (shared_ptr<Content>& c, cl) {
1180 shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (c);
1182 languages.insert (sc->subtitle_language ());
1187 BOOST_FOREACH (string s, languages) {
1188 if (!all.empty ()) {
1198 /** Change the gains of the supplied AudioMapping to make it a default
1199 * for this film. The defaults are guessed based on what processor (if any)
1200 * is in use and the number of input channels.
1203 Film::make_audio_mapping_default (AudioMapping& mapping) const
1205 if (audio_processor ()) {
1206 audio_processor()->make_audio_mapping_default (mapping);
1208 mapping.make_zero ();
1209 if (mapping.input_channels() == 1) {
1210 /* Mono -> Centre */
1211 mapping.set (0, static_cast<int> (dcp::CENTRE), 1);
1214 for (int i = 0; i < min (mapping.input_channels(), mapping.output_channels()); ++i) {
1215 mapping.set (i, i, 1);
1221 /** @return The names of the channels that audio contents' outputs are passed into;
1222 * this is either the DCP or a AudioProcessor.
1225 Film::audio_output_names () const
1227 if (audio_processor ()) {
1228 return audio_processor()->input_names ();
1232 n.push_back (_("L"));
1233 n.push_back (_("R"));
1234 n.push_back (_("C"));
1235 n.push_back (_("Lfe"));
1236 n.push_back (_("Ls"));
1237 n.push_back (_("Rs"));
1238 n.push_back (_("HI"));
1239 n.push_back (_("VI"));
1240 n.push_back (_("Lc"));
1241 n.push_back (_("Rc"));
1242 n.push_back (_("BsL"));
1243 n.push_back (_("BsR"));
1245 return vector<string> (n.begin(), n.begin() + audio_channels ());
1249 Film::repeat_content (ContentList c, int n)
1251 _playlist->repeat (c, n);
1255 Film::remove_content (ContentList c)
1257 _playlist->remove (c);