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 <libcxml/cxml.h>
53 #include <dcp/certificate_chain.h>
55 #include <dcp/local_time.h>
56 #include <dcp/decrypted_kdm.h>
57 #include <libxml++/libxml++.h>
58 #include <boost/filesystem.hpp>
59 #include <boost/algorithm/string.hpp>
60 #include <boost/foreach.hpp>
81 using boost::shared_ptr;
82 using boost::weak_ptr;
83 using boost::dynamic_pointer_cast;
84 using boost::optional;
85 using boost::is_any_of;
87 #define LOG_GENERAL(...) log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
88 #define LOG_GENERAL_NC(...) log()->log (__VA_ARGS__, Log::TYPE_GENERAL);
91 * AudioMapping XML changed.
93 * Subtitle offset changed to subtitle y offset, and subtitle x offset added.
95 * Use <Scale> tag in <VideoContent> rather than <Ratio>.
99 * Subtitle X and Y scale.
101 * Bumped to 32 for 2.0 branch; some times are expressed in Times rather
104 int const Film::current_state_version = 32;
106 /** Construct a Film object in a given directory.
108 * @param dir Film directory.
111 Film::Film (boost::filesystem::path dir, bool log)
112 : _playlist (new Playlist)
113 , _use_isdcf_name (true)
114 , _dcp_content_type (Config::instance()->default_dcp_content_type ())
115 , _container (Config::instance()->default_container ())
116 , _resolution (RESOLUTION_2K)
119 , _j2k_bandwidth (Config::instance()->default_j2k_bandwidth ())
120 , _isdcf_metadata (Config::instance()->default_isdcf_metadata ())
121 , _video_frame_rate (24)
122 , _audio_channels (6)
124 , _sequence_video (true)
126 , _audio_processor (0)
127 , _state_version (current_state_version)
130 set_isdcf_date_today ();
132 _playlist_changed_connection = _playlist->Changed.connect (bind (&Film::playlist_changed, this));
133 _playlist_content_changed_connection = _playlist->ContentChanged.connect (bind (&Film::playlist_content_changed, this, _1, _2, _3));
135 /* Make state.directory a complete path without ..s (where possible)
136 (Code swiped from Adam Bowen on stackoverflow)
139 boost::filesystem::path p (boost::filesystem::system_complete (dir));
140 boost::filesystem::path result;
141 for (boost::filesystem::path::iterator i = p.begin(); i != p.end(); ++i) {
143 if (boost::filesystem::is_symlink (result) || result.filename() == "..") {
146 result = result.parent_path ();
148 } else if (*i != ".") {
153 set_directory (result.make_preferred ());
155 _log.reset (new FileLog (file ("log")));
157 _log.reset (new NullLog);
160 _playlist->set_sequence_video (_sequence_video);
165 for (list<boost::signals2::connection>::const_iterator i = _job_connections.begin(); i != _job_connections.end(); ++i) {
171 Film::video_identifier () const
173 DCPOMATIC_ASSERT (container ());
176 s.imbue (std::locale::classic ());
178 s << container()->id()
179 << "_" << resolution_to_string (_resolution)
180 << "_" << _playlist->video_identifier()
181 << "_" << _video_frame_rate
182 << "_" << j2k_bandwidth();
203 /** @return The file to write video frame info to */
204 boost::filesystem::path
205 Film::info_file () const
207 boost::filesystem::path p;
209 p /= video_identifier ();
213 boost::filesystem::path
214 Film::internal_video_asset_dir () const
216 return dir ("video");
219 boost::filesystem::path
220 Film::internal_video_asset_filename () const
222 return video_identifier() + ".mxf";
225 boost::filesystem::path
226 Film::audio_analysis_path (shared_ptr<const Playlist> playlist) const
228 boost::filesystem::path p = dir ("analysis");
230 MD5Digester digester;
231 BOOST_FOREACH (shared_ptr<Content> i, playlist->content ()) {
232 shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (i);
237 digester.add (ac->digest ());
238 digester.add (ac->audio_mapping().digest ());
239 if (playlist->content().size() != 1) {
240 /* Analyses should be considered equal regardless of gain
241 if they were made from just one piece of content. This
242 is because we can fake any gain change in a single-content
243 analysis at the plotting stage rather than having to
246 digester.add (ac->audio_gain ());
250 if (audio_processor ()) {
251 digester.add (audio_processor()->id ());
254 p /= digester.get ();
258 /** Add suitable Jobs to the JobManager to create a DCP for this Film */
262 if (dcp_name().find ("/") != string::npos) {
263 throw BadSettingError (_("name"), _("cannot contain slashes"));
266 set_isdcf_date_today ();
268 environment_info (log ());
270 BOOST_FOREACH (shared_ptr<const Content> i, content ()) {
271 LOG_GENERAL ("Content: %1", i->technical_summary());
273 LOG_GENERAL ("DCP video rate %1 fps", video_frame_rate());
274 if (Config::instance()->only_servers_encode ()) {
275 LOG_GENERAL_NC ("0 threads: ONLY SERVERS SET TO ENCODE");
277 LOG_GENERAL ("%1 threads", Config::instance()->num_local_encoding_threads());
279 LOG_GENERAL ("J2K bandwidth %1", j2k_bandwidth());
281 if (container() == 0) {
282 throw MissingSettingError (_("container"));
285 if (content().empty()) {
286 throw StringError (_("You must add some content to the DCP before creating it"));
289 if (dcp_content_type() == 0) {
290 throw MissingSettingError (_("content type"));
293 if (name().empty()) {
294 throw MissingSettingError (_("name"));
297 JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (shared_from_this())));
300 /** Start a job to send our DCP to the configured TMS */
302 Film::send_dcp_to_tms ()
304 shared_ptr<Job> j (new UploadJob (shared_from_this()));
305 JobManager::instance()->add (j);
308 shared_ptr<xmlpp::Document>
309 Film::metadata () const
311 shared_ptr<xmlpp::Document> doc (new xmlpp::Document);
312 xmlpp::Element* root = doc->create_root_node ("Metadata");
314 root->add_child("Version")->add_child_text (raw_convert<string> (current_state_version));
315 root->add_child("Name")->add_child_text (_name);
316 root->add_child("UseISDCFName")->add_child_text (_use_isdcf_name ? "1" : "0");
318 if (_dcp_content_type) {
319 root->add_child("DCPContentType")->add_child_text (_dcp_content_type->isdcf_name ());
323 root->add_child("Container")->add_child_text (_container->id ());
326 root->add_child("Resolution")->add_child_text (resolution_to_string (_resolution));
327 root->add_child("J2KBandwidth")->add_child_text (raw_convert<string> (_j2k_bandwidth));
328 _isdcf_metadata.as_xml (root->add_child ("ISDCFMetadata"));
329 root->add_child("VideoFrameRate")->add_child_text (raw_convert<string> (_video_frame_rate));
330 root->add_child("ISDCFDate")->add_child_text (boost::gregorian::to_iso_string (_isdcf_date));
331 root->add_child("AudioChannels")->add_child_text (raw_convert<string> (_audio_channels));
332 root->add_child("ThreeD")->add_child_text (_three_d ? "1" : "0");
333 root->add_child("SequenceVideo")->add_child_text (_sequence_video ? "1" : "0");
334 root->add_child("Interop")->add_child_text (_interop ? "1" : "0");
335 root->add_child("Signed")->add_child_text (_signed ? "1" : "0");
336 root->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
337 root->add_child("Key")->add_child_text (_key.hex ());
338 if (_audio_processor) {
339 root->add_child("AudioProcessor")->add_child_text (_audio_processor->id ());
341 _playlist->as_xml (root->add_child ("Playlist"));
346 /** Write state to our `metadata' file */
348 Film::write_metadata () const
350 boost::filesystem::create_directories (directory ());
351 shared_ptr<xmlpp::Document> doc = metadata ();
352 doc->write_to_file_formatted (file("metadata.xml").string ());
356 /** Read state from our metadata file.
357 * @return Notes about things that the user should know about, or empty.
360 Film::read_metadata ()
362 if (boost::filesystem::exists (file ("metadata")) && !boost::filesystem::exists (file ("metadata.xml"))) {
363 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!"));
366 cxml::Document f ("Metadata");
367 f.read_file (file ("metadata.xml"));
369 _state_version = f.number_child<int> ("Version");
370 if (_state_version > current_state_version) {
371 throw StringError (_("This film was created with a newer version of DCP-o-matic, and it cannot be loaded into this version. Sorry!"));
374 _name = f.string_child ("Name");
375 if (_state_version >= 9) {
376 _use_isdcf_name = f.bool_child ("UseISDCFName");
377 _isdcf_metadata = ISDCFMetadata (f.node_child ("ISDCFMetadata"));
378 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("ISDCFDate"));
380 _use_isdcf_name = f.bool_child ("UseDCIName");
381 _isdcf_metadata = ISDCFMetadata (f.node_child ("DCIMetadata"));
382 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("DCIDate"));
386 optional<string> c = f.optional_string_child ("DCPContentType");
388 _dcp_content_type = DCPContentType::from_isdcf_name (c.get ());
393 optional<string> c = f.optional_string_child ("Container");
395 _container = Ratio::from_id (c.get ());
399 _resolution = string_to_resolution (f.string_child ("Resolution"));
400 _j2k_bandwidth = f.number_child<int> ("J2KBandwidth");
401 _video_frame_rate = f.number_child<int> ("VideoFrameRate");
402 _signed = f.optional_bool_child("Signed").get_value_or (true);
403 _encrypted = f.bool_child ("Encrypted");
404 _audio_channels = f.number_child<int> ("AudioChannels");
405 /* We used to allow odd numbers (and zero) channels, but it's just not worth
408 if (_audio_channels == 0) {
410 } else if ((_audio_channels % 2) == 1) {
413 _sequence_video = f.bool_child ("SequenceVideo");
414 _three_d = f.bool_child ("ThreeD");
415 _interop = f.bool_child ("Interop");
416 _key = dcp::Key (f.string_child ("Key"));
418 if (f.optional_string_child ("AudioProcessor")) {
419 _audio_processor = AudioProcessor::from_id (f.string_child ("AudioProcessor"));
421 _audio_processor = 0;
425 /* This method is the only one that can return notes (so far) */
426 _playlist->set_from_xml (shared_from_this(), f.node_child ("Playlist"), _state_version, notes);
428 /* Write backtraces to this film's directory, until another film is loaded */
429 set_backtrace_file (file ("backtrace.txt"));
435 /** Given a directory name, return its full path within the Film's directory.
436 * The directory (and its parents) will be created if they do not exist.
438 boost::filesystem::path
439 Film::dir (boost::filesystem::path d) const
441 boost::filesystem::path p;
445 boost::filesystem::create_directories (p);
450 /** Given a file or directory name, return its full path within the Film's directory.
451 * Any required parent directories will be created.
453 boost::filesystem::path
454 Film::file (boost::filesystem::path f) const
456 boost::filesystem::path p;
460 boost::filesystem::create_directories (p.parent_path ());
465 /** @return a ISDCF-compliant name for a DCP of this film */
467 Film::isdcf_name (bool if_created_now) const
471 string raw_name = name ();
473 /* Split the raw name up into words */
474 vector<string> words;
475 split (words, raw_name, is_any_of (" _-"));
479 /* Add each word to fixed_name */
480 for (vector<string>::const_iterator i = words.begin(); i != words.end(); ++i) {
483 /* First letter is always capitalised */
484 w[0] = toupper (w[0]);
486 /* Count caps in w */
488 for (size_t i = 0; i < w.size(); ++i) {
489 if (isupper (w[i])) {
494 /* If w is all caps make the rest of it lower case, otherwise
497 if (caps == w.size ()) {
498 for (size_t i = 1; i < w.size(); ++i) {
499 w[i] = tolower (w[i]);
503 for (size_t i = 0; i < w.size(); ++i) {
508 if (fixed_name.length() > 14) {
509 fixed_name = fixed_name.substr (0, 14);
514 if (dcp_content_type()) {
515 d << "_" << dcp_content_type()->isdcf_name();
516 d << "-" << isdcf_metadata().content_version;
519 ISDCFMetadata const dm = isdcf_metadata ();
521 if (dm.temp_version) {
525 if (dm.pre_release) {
533 if (!dm.chain.empty ()) {
534 d << "-" << dm.chain;
541 if (dm.two_d_version_of_three_d) {
545 if (!dm.mastered_luminance.empty ()) {
546 d << "-" << dm.mastered_luminance;
549 if (video_frame_rate() != 24) {
550 d << "-" << video_frame_rate();
554 d << "_" << container()->isdcf_name();
557 ContentList cl = content ();
559 /* XXX: this uses the first bit of content only */
561 /* The standard says we don't do this for trailers, for some strange reason */
562 if (dcp_content_type() && dcp_content_type()->libdcp_kind() != dcp::TRAILER) {
563 Ratio const * content_ratio = 0;
564 for (ContentList::iterator i = cl.begin(); i != cl.end(); ++i) {
565 shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (*i);
567 /* Here's the first piece of video content */
568 if (vc->scale().ratio ()) {
569 content_ratio = vc->scale().ratio ();
571 content_ratio = Ratio::from_ratio (vc->video_size().ratio ());
577 if (content_ratio && content_ratio != container()) {
578 d << "-" << content_ratio->isdcf_name();
582 if (!dm.audio_language.empty ()) {
583 d << "_" << dm.audio_language;
584 if (!dm.subtitle_language.empty()) {
585 d << "-" << dm.subtitle_language;
591 if (!dm.territory.empty ()) {
592 d << "_" << dm.territory;
593 if (dm.rating.empty ()) {
596 d << "-" << dm.rating;
600 /* Find all mapped channels */
605 if (audio_processor ()) {
606 /* Processors are mapped 1:1 to DCP outputs so we can guess the number of LFE/
607 non-LFE from the channel counts.
609 non_lfe = audio_processor()->out_channels ();
616 for (ContentList::const_iterator i = cl.begin(); i != cl.end(); ++i) {
617 shared_ptr<const AudioContent> ac = dynamic_pointer_cast<const AudioContent> (*i);
619 list<int> c = ac->audio_mapping().mapped_output_channels ();
620 copy (c.begin(), c.end(), back_inserter (mapped));
629 for (list<int>::const_iterator i = mapped.begin(); i != mapped.end(); ++i) {
630 if (*i >= audio_channels()) {
631 /* This channel is mapped but is not included in the DCP */
635 if (static_cast<dcp::Channel> (*i) == dcp::LFE) {
644 d << "_" << non_lfe << lfe;
649 d << "_" << resolution_to_string (_resolution);
651 if (!dm.studio.empty ()) {
652 d << "_" << dm.studio;
655 if (if_created_now) {
656 d << "_" << boost::gregorian::to_iso_string (boost::gregorian::day_clock::local_day ());
658 d << "_" << boost::gregorian::to_iso_string (_isdcf_date);
661 if (!dm.facility.empty ()) {
662 d << "_" << dm.facility;
675 if (!dm.package_type.empty ()) {
676 d << "_" << dm.package_type;
682 /** @return name to give the DCP */
684 Film::dcp_name (bool if_created_now) const
687 if (use_isdcf_name()) {
688 unfiltered = isdcf_name (if_created_now);
690 unfiltered = name ();
693 /* Filter out `bad' characters which cause problems with some systems.
694 There's no apparent list of what really is allowed, so this is a guess.
698 string const allowed = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_";
699 for (size_t i = 0; i < unfiltered.size(); ++i) {
700 if (allowed.find (unfiltered[i]) != string::npos) {
701 filtered += unfiltered[i];
709 Film::set_directory (boost::filesystem::path d)
716 Film::set_name (string n)
719 signal_changed (NAME);
723 Film::set_use_isdcf_name (bool u)
726 signal_changed (USE_ISDCF_NAME);
730 Film::set_dcp_content_type (DCPContentType const * t)
732 _dcp_content_type = t;
733 signal_changed (DCP_CONTENT_TYPE);
737 Film::set_container (Ratio const * c)
740 signal_changed (CONTAINER);
744 Film::set_resolution (Resolution r)
747 signal_changed (RESOLUTION);
751 Film::set_j2k_bandwidth (int b)
754 signal_changed (J2K_BANDWIDTH);
758 Film::set_isdcf_metadata (ISDCFMetadata m)
761 signal_changed (ISDCF_METADATA);
765 Film::set_video_frame_rate (int f)
767 _video_frame_rate = f;
768 signal_changed (VIDEO_FRAME_RATE);
772 Film::set_audio_channels (int c)
775 signal_changed (AUDIO_CHANNELS);
779 Film::set_three_d (bool t)
782 signal_changed (THREE_D);
784 if (_three_d && _isdcf_metadata.two_d_version_of_three_d) {
785 _isdcf_metadata.two_d_version_of_three_d = false;
786 signal_changed (ISDCF_METADATA);
791 Film::set_interop (bool i)
794 signal_changed (INTEROP);
798 Film::set_audio_processor (AudioProcessor const * processor)
800 _audio_processor = processor;
801 signal_changed (AUDIO_PROCESSOR);
802 signal_changed (AUDIO_CHANNELS);
806 Film::signal_changed (Property p)
812 set_video_frame_rate (_playlist->best_dcp_frame_rate ());
814 case Film::VIDEO_FRAME_RATE:
815 case Film::SEQUENCE_VIDEO:
816 _playlist->maybe_sequence_video ();
822 emit (boost::bind (boost::ref (Changed), p));
826 Film::set_isdcf_date_today ()
828 _isdcf_date = boost::gregorian::day_clock::local_day ();
831 boost::filesystem::path
832 Film::j2c_path (int f, Eyes e, bool t) const
834 boost::filesystem::path p;
836 p /= video_identifier ();
840 s << setfill('0') << f;
842 if (e == EYES_LEFT) {
844 } else if (e == EYES_RIGHT) {
858 /** Find all the DCPs in our directory that can be dcp::DCP::read() and return details of their CPLs */
862 vector<CPLSummary> out;
864 boost::filesystem::path const dir = directory ();
865 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator(dir); i != boost::filesystem::directory_iterator(); ++i) {
867 boost::filesystem::is_directory (*i) &&
868 i->path().leaf() != "j2c" && i->path().leaf() != "video" && i->path().leaf() != "info" && i->path().leaf() != "analysis"
876 i->path().leaf().string(),
877 dcp.cpls().front()->id(),
878 dcp.cpls().front()->annotation_text(),
879 dcp.cpls().front()->file()
892 Film::set_signed (bool s)
895 signal_changed (SIGNED);
899 Film::set_encrypted (bool e)
902 signal_changed (ENCRYPTED);
906 Film::set_key (dcp::Key key)
909 signal_changed (KEY);
913 Film::content () const
915 return _playlist->content ();
919 Film::examine_content (shared_ptr<Content> c)
921 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c));
922 JobManager::instance()->add (j);
926 Film::examine_and_add_content (shared_ptr<Content> c)
928 if (dynamic_pointer_cast<FFmpegContent> (c) && !_directory.empty ()) {
929 run_ffprobe (c->path(0), file ("ffprobe.log"), _log);
932 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c));
934 _job_connections.push_back (
935 j->Finished.connect (bind (&Film::maybe_add_content, this, weak_ptr<Job> (j), weak_ptr<Content> (c)))
938 JobManager::instance()->add (j);
942 Film::maybe_add_content (weak_ptr<Job> j, weak_ptr<Content> c)
944 shared_ptr<Job> job = j.lock ();
945 if (!job || !job->finished_ok ()) {
949 shared_ptr<Content> content = c.lock ();
951 add_content (content);
956 Film::add_content (shared_ptr<Content> c)
958 /* Add video content after any existing content */
959 if (dynamic_pointer_cast<VideoContent> (c)) {
960 c->set_position (_playlist->video_end ());
967 Film::remove_content (shared_ptr<Content> c)
969 _playlist->remove (c);
973 Film::move_content_earlier (shared_ptr<Content> c)
975 _playlist->move_earlier (c);
979 Film::move_content_later (shared_ptr<Content> c)
981 _playlist->move_later (c);
985 Film::length () const
987 return _playlist->length ();
991 Film::best_video_frame_rate () const
993 return _playlist->best_dcp_frame_rate ();
997 Film::active_frame_rate_change (DCPTime t) const
999 return _playlist->active_frame_rate_change (t, video_frame_rate ());
1003 Film::playlist_content_changed (weak_ptr<Content> c, int p, bool frequent)
1007 if (p == VideoContentProperty::VIDEO_FRAME_RATE) {
1008 set_video_frame_rate (_playlist->best_dcp_frame_rate ());
1009 } else if (p == AudioContentProperty::AUDIO_STREAMS) {
1010 signal_changed (NAME);
1013 emit (boost::bind (boost::ref (ContentChanged), c, p, frequent));
1017 Film::playlist_changed ()
1019 signal_changed (CONTENT);
1020 signal_changed (NAME);
1024 Film::audio_frame_rate () const
1026 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
1027 shared_ptr<AudioContent> a = dynamic_pointer_cast<AudioContent> (i);
1028 if (a && a->has_rate_above_48k ()) {
1037 Film::set_sequence_video (bool s)
1039 _sequence_video = s;
1040 _playlist->set_sequence_video (s);
1041 signal_changed (SEQUENCE_VIDEO);
1044 /** @return Size of the largest possible image in whatever resolution we are using */
1046 Film::full_frame () const
1048 switch (_resolution) {
1050 return dcp::Size (2048, 1080);
1052 return dcp::Size (4096, 2160);
1055 DCPOMATIC_ASSERT (false);
1056 return dcp::Size ();
1059 /** @return Size of the frame */
1061 Film::frame_size () const
1063 return fit_ratio_within (container()->ratio(), full_frame ());
1068 dcp::Certificate target,
1069 boost::filesystem::path cpl_file,
1070 dcp::LocalTime from,
1071 dcp::LocalTime until,
1072 dcp::Formulation formulation
1075 shared_ptr<const dcp::CPL> cpl (new dcp::CPL (cpl_file));
1076 shared_ptr<const dcp::CertificateChain> signer = Config::instance()->signer_chain ();
1077 if (!signer->valid ()) {
1078 throw InvalidSignerError ();
1081 return dcp::DecryptedKDM (
1082 cpl, key(), from, until, "DCP-o-matic", cpl->content_title_text(), dcp::LocalTime().as_string()
1083 ).encrypt (signer, target, formulation);
1086 list<dcp::EncryptedKDM>
1088 list<shared_ptr<Screen> > screens,
1089 boost::filesystem::path dcp,
1090 dcp::LocalTime from,
1091 dcp::LocalTime until,
1092 dcp::Formulation formulation
1095 list<dcp::EncryptedKDM> kdms;
1097 for (list<shared_ptr<Screen> >::iterator i = screens.begin(); i != screens.end(); ++i) {
1098 if ((*i)->certificate) {
1099 kdms.push_back (make_kdm ((*i)->certificate.get(), dcp, from, until, formulation));
1106 /** @return The approximate disk space required to encode a DCP of this film with the
1107 * current settings, in bytes.
1110 Film::required_disk_space () const
1112 return uint64_t (j2k_bandwidth() / 8) * length().seconds();
1115 /** This method checks the disk that the Film is on and tries to decide whether or not
1116 * there will be enough space to make a DCP for it. If so, true is returned; if not,
1117 * false is returned and required and availabe are filled in with the amount of disk space
1118 * required and available respectively (in Gb).
1120 * Note: the decision made by this method isn't, of course, 100% reliable.
1123 Film::should_be_enough_disk_space (double& required, double& available, bool& can_hard_link) const
1125 /* Create a test file and see if we can hard-link it */
1126 boost::filesystem::path test = internal_video_asset_dir() / "test";
1127 boost::filesystem::path test2 = internal_video_asset_dir() / "test2";
1128 can_hard_link = true;
1129 FILE* f = fopen_boost (test, "w");
1132 boost::system::error_code ec;
1133 boost::filesystem::create_hard_link (test, test2, ec);
1135 can_hard_link = false;
1137 boost::filesystem::remove (test);
1138 boost::filesystem::remove (test2);
1141 boost::filesystem::space_info s = boost::filesystem::space (internal_video_asset_dir ());
1142 required = double (required_disk_space ()) / 1073741824.0f;
1143 if (!can_hard_link) {
1146 available = double (s.available) / 1073741824.0f;
1147 return (available - required) > 1;
1151 Film::subtitle_language () const
1153 set<string> languages;
1155 ContentList cl = content ();
1156 BOOST_FOREACH (shared_ptr<Content>& c, cl) {
1157 shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (c);
1159 languages.insert (sc->subtitle_language ());
1164 BOOST_FOREACH (string s, languages) {
1165 if (!all.empty ()) {
1175 /** Change the gains of the supplied AudioMapping to make it a default
1176 * for this film. The defaults are guessed based on what processor (if any)
1177 * is in use and the number of input channels.
1180 Film::make_audio_mapping_default (AudioMapping& mapping) const
1182 if (audio_processor ()) {
1183 audio_processor()->make_audio_mapping_default (mapping);
1185 mapping.make_zero ();
1186 if (mapping.input_channels() == 1) {
1187 /* Mono -> Centre */
1188 mapping.set (0, static_cast<int> (dcp::CENTRE), 1);
1191 for (int i = 0; i < min (mapping.input_channels(), mapping.output_channels()); ++i) {
1192 mapping.set (i, i, 1);
1198 /** @return The names of the channels that audio contents' outputs are passed into;
1199 * this is either the DCP or a AudioProcessor.
1202 Film::audio_output_names () const
1204 if (audio_processor ()) {
1205 return audio_processor()->input_names ();
1209 n.push_back (_("L"));
1210 n.push_back (_("R"));
1211 n.push_back (_("C"));
1212 n.push_back (_("Lfe"));
1213 n.push_back (_("Ls"));
1214 n.push_back (_("Rs"));
1215 n.push_back (_("HI"));
1216 n.push_back (_("VI"));
1217 n.push_back (_("Lc"));
1218 n.push_back (_("Rc"));
1219 n.push_back (_("BsL"));
1220 n.push_back (_("BsR"));
1222 return vector<string> (n.begin(), n.begin() + audio_channels ());
1226 Film::repeat_content (ContentList c, int n)
1228 _playlist->repeat (c, n);
1232 Film::remove_content (ContentList c)
1234 _playlist->remove (c);