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 "ui_signaller.h"
40 #include "dcp_content_type.h"
44 #include "safe_stringstream.h"
45 #include <libcxml/cxml.h>
47 #include <dcp/signer.h>
49 #include <dcp/local_time.h>
50 #include <dcp/raw_convert.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>
80 using boost::shared_ptr;
81 using boost::weak_ptr;
82 using boost::dynamic_pointer_cast;
83 using boost::to_upper_copy;
84 using boost::ends_with;
85 using boost::starts_with;
86 using boost::optional;
87 using boost::is_any_of;
90 using dcp::raw_convert;
91 using dcp::raw_convert;
93 #define LOG_GENERAL(...) log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
94 #define LOG_GENERAL_NC(...) log()->log (__VA_ARGS__, Log::TYPE_GENERAL);
97 * AudioMapping XML changed.
99 * Subtitle offset changed to subtitle y offset, and subtitle x offset added.
101 * Use <Scale> tag in <VideoContent> rather than <Ratio>.
105 * Subtitle X and Y scale.
107 * Bumped to 32 for 2.0 branch; some times are expressed in Times rather
110 int const Film::current_state_version = 32;
112 /** Construct a Film object in a given directory.
114 * @param dir Film directory.
117 Film::Film (boost::filesystem::path dir, bool log)
118 : _playlist (new Playlist)
119 , _use_isdcf_name (true)
120 , _dcp_content_type (Config::instance()->default_dcp_content_type ())
121 , _container (Config::instance()->default_container ())
122 , _resolution (RESOLUTION_2K)
123 , _scaler (Scaler::from_id ("bicubic"))
126 , _j2k_bandwidth (Config::instance()->default_j2k_bandwidth ())
127 , _isdcf_metadata (Config::instance()->default_isdcf_metadata ())
128 , _video_frame_rate (24)
129 , _audio_channels (6)
131 , _sequence_video (true)
133 , _burn_subtitles (false)
134 , _state_version (current_state_version)
137 set_isdcf_date_today ();
139 _playlist->Changed.connect (bind (&Film::playlist_changed, this));
140 _playlist->ContentChanged.connect (bind (&Film::playlist_content_changed, this, _1, _2));
142 /* Make state.directory a complete path without ..s (where possible)
143 (Code swiped from Adam Bowen on stackoverflow)
146 boost::filesystem::path p (boost::filesystem::system_complete (dir));
147 boost::filesystem::path result;
148 for (boost::filesystem::path::iterator i = p.begin(); i != p.end(); ++i) {
150 if (boost::filesystem::is_symlink (result) || result.filename() == "..") {
153 result = result.parent_path ();
155 } else if (*i != ".") {
160 set_directory (result.make_preferred ());
162 _log.reset (new FileLog (file ("log")));
164 _log.reset (new NullLog);
167 _playlist->set_sequence_video (_sequence_video);
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 << "_" << scaler()->id()
183 << "_" << j2k_bandwidth();
197 if (_burn_subtitles) {
208 /** @return The path to the directory to write video frame info files to */
209 boost::filesystem::path
210 Film::info_dir () const
212 boost::filesystem::path p;
214 p /= video_identifier ();
218 boost::filesystem::path
219 Film::internal_video_mxf_dir () const
221 return dir ("video");
224 boost::filesystem::path
225 Film::internal_video_mxf_filename () const
227 return video_identifier() + ".mxf";
230 boost::filesystem::path
231 Film::video_mxf_filename () const
233 return filename_safe_name() + "_video.mxf";
236 boost::filesystem::path
237 Film::audio_mxf_filename () const
239 return filename_safe_name() + "_audio.mxf";
242 boost::filesystem::path
243 Film::subtitle_xml_filename () const
245 return filename_safe_name() + "_subtitle.xml";
249 Film::filename_safe_name () const
251 string const n = name ();
253 for (size_t i = 0; i < n.length(); ++i) {
254 if (isalnum (n[i])) {
264 boost::filesystem::path
265 Film::audio_analysis_dir () const
267 return dir ("analysis");
270 /** Add suitable Jobs to the JobManager to create a DCP for this Film */
274 set_isdcf_date_today ();
276 if (dcp_name().find ("/") != string::npos) {
277 throw BadSettingError (_("name"), _("cannot contain slashes"));
280 LOG_GENERAL ("DCP-o-matic %1 git %2 using %3", dcpomatic_version, dcpomatic_git_commit, dependency_version_summary());
284 gethostname (buffer, sizeof (buffer));
285 LOG_GENERAL ("Starting to make DCP on %1", buffer);
288 ContentList cl = content ();
289 for (ContentList::const_iterator i = cl.begin(); i != cl.end(); ++i) {
290 LOG_GENERAL ("Content: %1", (*i)->technical_summary());
292 LOG_GENERAL ("DCP video rate %1 fps", video_frame_rate());
293 LOG_GENERAL ("%1 threads", Config::instance()->num_local_encoding_threads());
294 LOG_GENERAL ("J2K bandwidth %1", j2k_bandwidth());
295 #ifdef DCPOMATIC_DEBUG
296 LOG_GENERAL_NC ("DCP-o-matic built in debug mode.");
298 LOG_GENERAL_NC ("DCP-o-matic built in optimised mode.");
301 LOG_GENERAL_NC ("libdcp built in debug mode.");
303 LOG_GENERAL_NC ("libdcp built in optimised mode.");
306 #ifdef DCPOMATIC_WINDOWS
308 info.dwOSVersionInfoSize = sizeof (info);
309 GetVersionEx (&info);
310 LOG_GENERAL ("Windows version %1.%2.%3 SP %4", info.dwMajorVersion, info.dwMinorVersion, info.dwBuildNumber, info.szCSDVersion);
315 LOG_GENERAL_NC ("Built for 64-bit");
317 LOG_GENERAL_NC ("Built for 32-bit");
321 LOG_GENERAL ("CPU: %1, %2 processors", cpu_info(), boost::thread::hardware_concurrency ());
322 list<pair<string, string> > const m = mount_info ();
323 for (list<pair<string, string> >::const_iterator i = m.begin(); i != m.end(); ++i) {
324 LOG_GENERAL ("Mount: %1 %2", i->first, i->second);
327 if (container() == 0) {
328 throw MissingSettingError (_("container"));
331 if (content().empty()) {
332 throw StringError (_("You must add some content to the DCP before creating it"));
335 if (dcp_content_type() == 0) {
336 throw MissingSettingError (_("content type"));
339 if (name().empty()) {
340 throw MissingSettingError (_("name"));
343 JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (shared_from_this())));
346 /** Start a job to send our DCP to the configured TMS */
348 Film::send_dcp_to_tms ()
350 shared_ptr<Job> j (new SCPDCPJob (shared_from_this()));
351 JobManager::instance()->add (j);
354 /** Count the number of frames that have been encoded for this film.
355 * @return frame count.
358 Film::encoded_frames () const
360 if (container() == 0) {
365 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator (info_dir ()); i != boost::filesystem::directory_iterator(); ++i) {
367 boost::this_thread::interruption_point ();
373 shared_ptr<xmlpp::Document>
374 Film::metadata () const
376 shared_ptr<xmlpp::Document> doc (new xmlpp::Document);
377 xmlpp::Element* root = doc->create_root_node ("Metadata");
379 root->add_child("Version")->add_child_text (raw_convert<string> (current_state_version));
380 root->add_child("Name")->add_child_text (_name);
381 root->add_child("UseISDCFName")->add_child_text (_use_isdcf_name ? "1" : "0");
383 if (_dcp_content_type) {
384 root->add_child("DCPContentType")->add_child_text (_dcp_content_type->isdcf_name ());
388 root->add_child("Container")->add_child_text (_container->id ());
391 root->add_child("Resolution")->add_child_text (resolution_to_string (_resolution));
392 root->add_child("Scaler")->add_child_text (_scaler->id ());
393 root->add_child("J2KBandwidth")->add_child_text (raw_convert<string> (_j2k_bandwidth));
394 _isdcf_metadata.as_xml (root->add_child ("ISDCFMetadata"));
395 root->add_child("VideoFrameRate")->add_child_text (raw_convert<string> (_video_frame_rate));
396 root->add_child("ISDCFDate")->add_child_text (boost::gregorian::to_iso_string (_isdcf_date));
397 root->add_child("AudioChannels")->add_child_text (raw_convert<string> (_audio_channels));
398 root->add_child("ThreeD")->add_child_text (_three_d ? "1" : "0");
399 root->add_child("SequenceVideo")->add_child_text (_sequence_video ? "1" : "0");
400 root->add_child("Interop")->add_child_text (_interop ? "1" : "0");
401 root->add_child("BurnSubtitles")->add_child_text (_burn_subtitles ? "1" : "0");
402 root->add_child("Signed")->add_child_text (_signed ? "1" : "0");
403 root->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
404 root->add_child("Key")->add_child_text (_key.hex ());
405 _playlist->as_xml (root->add_child ("Playlist"));
410 /** Write state to our `metadata' file */
412 Film::write_metadata () const
414 boost::filesystem::create_directories (directory ());
415 shared_ptr<xmlpp::Document> doc = metadata ();
416 doc->write_to_file_formatted (file("metadata.xml").string ());
420 /** Read state from our metadata file.
421 * @return Notes about things that the user should know about, or empty.
424 Film::read_metadata ()
426 if (boost::filesystem::exists (file ("metadata")) && !boost::filesystem::exists (file ("metadata.xml"))) {
427 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!"));
430 cxml::Document f ("Metadata");
431 f.read_file (file ("metadata.xml"));
433 _state_version = f.number_child<int> ("Version");
434 if (_state_version > current_state_version) {
435 throw StringError (_("This film was created with a newer version of DCP-o-matic, and it cannot be loaded into this version. Sorry!"));
438 _name = f.string_child ("Name");
439 if (_state_version >= 9) {
440 _use_isdcf_name = f.bool_child ("UseISDCFName");
441 _isdcf_metadata = ISDCFMetadata (f.node_child ("ISDCFMetadata"));
442 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("ISDCFDate"));
444 _use_isdcf_name = f.bool_child ("UseDCIName");
445 _isdcf_metadata = ISDCFMetadata (f.node_child ("DCIMetadata"));
446 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("DCIDate"));
450 optional<string> c = f.optional_string_child ("DCPContentType");
452 _dcp_content_type = DCPContentType::from_isdcf_name (c.get ());
457 optional<string> c = f.optional_string_child ("Container");
459 _container = Ratio::from_id (c.get ());
463 _resolution = string_to_resolution (f.string_child ("Resolution"));
464 _scaler = Scaler::from_id (f.string_child ("Scaler"));
465 _j2k_bandwidth = f.number_child<int> ("J2KBandwidth");
466 _video_frame_rate = f.number_child<int> ("VideoFrameRate");
467 _signed = f.optional_bool_child("Signed").get_value_or (true);
468 _encrypted = f.bool_child ("Encrypted");
469 _audio_channels = f.number_child<int> ("AudioChannels");
470 _sequence_video = f.bool_child ("SequenceVideo");
471 _three_d = f.bool_child ("ThreeD");
472 _interop = f.bool_child ("Interop");
473 if (_state_version >= 32) {
474 _burn_subtitles = f.bool_child ("BurnSubtitles");
476 _key = dcp::Key (f.string_child ("Key"));
479 /* This method is the only one that can return notes (so far) */
480 _playlist->set_from_xml (shared_from_this(), f.node_child ("Playlist"), _state_version, notes);
482 /* Write backtraces to this film's directory, until another film is loaded */
483 set_backtrace_file (file ("backtrace.txt"));
489 /** Given a directory name, return its full path within the Film's directory.
490 * The directory (and its parents) will be created if they do not exist.
492 boost::filesystem::path
493 Film::dir (boost::filesystem::path d) const
495 boost::filesystem::path p;
499 boost::filesystem::create_directories (p);
504 /** Given a file or directory name, return its full path within the Film's directory.
505 * Any required parent directories will be created.
507 boost::filesystem::path
508 Film::file (boost::filesystem::path f) const
510 boost::filesystem::path p;
514 boost::filesystem::create_directories (p.parent_path ());
519 /** @return a ISDCF-compliant name for a DCP of this film */
521 Film::isdcf_name (bool if_created_now) const
525 string raw_name = name ();
527 /* Split the raw name up into words */
528 vector<string> words;
529 split (words, raw_name, is_any_of (" "));
533 /* Add each word to fixed_name */
534 for (vector<string>::const_iterator i = words.begin(); i != words.end(); ++i) {
537 /* First letter is always capitalised */
538 w[0] = toupper (w[0]);
540 /* Count caps in w */
542 for (size_t i = 0; i < w.size(); ++i) {
543 if (isupper (w[i])) {
548 /* If w is all caps make the rest of it lower case, otherwise
551 if (caps == w.size ()) {
552 for (size_t i = 1; i < w.size(); ++i) {
553 w[i] = tolower (w[i]);
557 for (size_t i = 0; i < w.size(); ++i) {
562 if (fixed_name.length() > 14) {
563 fixed_name = fixed_name.substr (0, 14);
568 if (dcp_content_type()) {
569 d << "_" << dcp_content_type()->isdcf_name();
570 d << "-" << isdcf_metadata().content_version;
573 ISDCFMetadata const dm = isdcf_metadata ();
575 if (dm.temp_version) {
579 if (dm.pre_release) {
587 if (!dm.chain.empty ()) {
588 d << "-" << dm.chain;
595 if (dm.two_d_version_of_three_d) {
599 if (!dm.mastered_luminance.empty ()) {
600 d << "-" << dm.mastered_luminance;
603 if (video_frame_rate() != 24) {
604 d << "-" << video_frame_rate();
608 d << "_" << container()->isdcf_name();
611 /* XXX: this uses the first bit of content only */
613 /* The standard says we don't do this for trailers, for some strange reason */
614 if (dcp_content_type() && dcp_content_type()->libdcp_kind() != dcp::TRAILER) {
615 ContentList cl = content ();
616 Ratio const * content_ratio = 0;
617 for (ContentList::iterator i = cl.begin(); i != cl.end(); ++i) {
618 shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (*i);
620 /* Here's the first piece of video content */
621 if (vc->scale().ratio ()) {
622 content_ratio = vc->scale().ratio ();
624 content_ratio = Ratio::from_ratio (vc->video_size().ratio ());
630 if (content_ratio && content_ratio != container()) {
631 d << "-" << content_ratio->isdcf_name();
635 if (!dm.audio_language.empty ()) {
636 d << "_" << dm.audio_language;
637 if (!dm.subtitle_language.empty()) {
638 d << "-" << dm.subtitle_language;
644 if (!dm.territory.empty ()) {
645 d << "_" << dm.territory;
646 if (!dm.rating.empty ()) {
647 d << "-" << dm.rating;
651 switch (audio_channels ()) {
674 d << "_" << resolution_to_string (_resolution);
676 if (!dm.studio.empty ()) {
677 d << "_" << dm.studio;
680 if (if_created_now) {
681 d << "_" << boost::gregorian::to_iso_string (boost::gregorian::day_clock::local_day ());
683 d << "_" << boost::gregorian::to_iso_string (_isdcf_date);
686 if (!dm.facility.empty ()) {
687 d << "_" << dm.facility;
700 if (!dm.package_type.empty ()) {
701 d << "_" << dm.package_type;
707 /** @return name to give the DCP */
709 Film::dcp_name (bool if_created_now) const
711 if (use_isdcf_name()) {
712 return isdcf_name (if_created_now);
719 Film::set_directory (boost::filesystem::path d)
726 Film::set_name (string n)
729 signal_changed (NAME);
733 Film::set_use_isdcf_name (bool u)
736 signal_changed (USE_ISDCF_NAME);
740 Film::set_dcp_content_type (DCPContentType const * t)
742 _dcp_content_type = t;
743 signal_changed (DCP_CONTENT_TYPE);
747 Film::set_container (Ratio const * c)
750 signal_changed (CONTAINER);
754 Film::set_resolution (Resolution r)
757 signal_changed (RESOLUTION);
761 Film::set_scaler (Scaler const * s)
764 signal_changed (SCALER);
768 Film::set_j2k_bandwidth (int b)
771 signal_changed (J2K_BANDWIDTH);
775 Film::set_isdcf_metadata (ISDCFMetadata m)
778 signal_changed (ISDCF_METADATA);
782 Film::set_video_frame_rate (int f)
784 _video_frame_rate = f;
785 signal_changed (VIDEO_FRAME_RATE);
789 Film::set_audio_channels (int c)
792 signal_changed (AUDIO_CHANNELS);
796 Film::set_three_d (bool t)
799 signal_changed (THREE_D);
803 Film::set_interop (bool i)
806 signal_changed (INTEROP);
810 Film::set_burn_subtitles (bool b)
813 signal_changed (BURN_SUBTITLES);
817 Film::signal_changed (Property p)
823 set_video_frame_rate (_playlist->best_dcp_frame_rate ());
825 case Film::VIDEO_FRAME_RATE:
826 case Film::SEQUENCE_VIDEO:
827 _playlist->maybe_sequence_video ();
834 ui_signaller->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::info_path (int f, Eyes e) const
847 boost::filesystem::path p;
852 s << setfill('0') << f;
854 if (e == EYES_LEFT) {
856 } else if (e == EYES_RIGHT) {
864 /* info_dir() will already have added any initial bit of the path,
865 so don't call file() on this.
870 boost::filesystem::path
871 Film::j2c_path (int f, Eyes e, bool t) const
873 boost::filesystem::path p;
875 p /= video_identifier ();
879 s << setfill('0') << f;
881 if (e == EYES_LEFT) {
883 } else if (e == EYES_RIGHT) {
897 /** Find all the DCPs in our directory that can be dcp::DCP::read() and return details of their CPLs */
901 vector<CPLSummary> out;
903 boost::filesystem::path const dir = directory ();
904 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator(dir); i != boost::filesystem::directory_iterator(); ++i) {
906 boost::filesystem::is_directory (*i) &&
907 i->path().leaf() != "j2c" && i->path().leaf() != "video" && i->path().leaf() != "info" && i->path().leaf() != "analysis"
915 i->path().leaf().string(),
916 dcp.cpls().front()->id(),
917 dcp.cpls().front()->annotation_text(),
918 dcp.cpls().front()->file()
931 Film::make_player () const
933 return shared_ptr<Player> (new Player (shared_from_this (), _playlist));
937 Film::set_signed (bool s)
940 signal_changed (SIGNED);
944 Film::set_encrypted (bool e)
947 signal_changed (ENCRYPTED);
951 Film::playlist () const
957 Film::content () const
959 return _playlist->content ();
963 Film::examine_content (shared_ptr<Content> c)
965 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c));
966 JobManager::instance()->add (j);
970 Film::examine_and_add_content (shared_ptr<Content> c)
972 if (dynamic_pointer_cast<FFmpegContent> (c)) {
973 run_ffprobe (c->path(0), file ("ffprobe.log"), _log);
976 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c));
977 j->Finished.connect (bind (&Film::maybe_add_content, this, boost::weak_ptr<Job> (j), boost::weak_ptr<Content> (c)));
978 JobManager::instance()->add (j);
982 Film::maybe_add_content (weak_ptr<Job> j, weak_ptr<Content> c)
984 shared_ptr<Job> job = j.lock ();
985 if (!job || !job->finished_ok ()) {
989 shared_ptr<Content> content = c.lock ();
991 add_content (content);
996 Film::add_content (shared_ptr<Content> c)
998 /* Add video content after any existing content */
999 if (dynamic_pointer_cast<VideoContent> (c)) {
1000 c->set_position (_playlist->video_end ());
1007 Film::remove_content (shared_ptr<Content> c)
1009 _playlist->remove (c);
1013 Film::move_content_earlier (shared_ptr<Content> c)
1015 _playlist->move_earlier (c);
1019 Film::move_content_later (shared_ptr<Content> c)
1021 _playlist->move_later (c);
1025 Film::length () const
1027 return _playlist->length ();
1031 Film::best_video_frame_rate () const
1033 return _playlist->best_dcp_frame_rate ();
1037 Film::active_frame_rate_change (DCPTime t) const
1039 return _playlist->active_frame_rate_change (t, video_frame_rate ());
1043 Film::playlist_content_changed (boost::weak_ptr<Content> c, int p)
1045 if (p == VideoContentProperty::VIDEO_FRAME_RATE) {
1046 set_video_frame_rate (_playlist->best_dcp_frame_rate ());
1050 ui_signaller->emit (boost::bind (boost::ref (ContentChanged), c, p));
1055 Film::playlist_changed ()
1057 signal_changed (CONTENT);
1061 Film::audio_frame_rate () const
1068 Film::set_sequence_video (bool s)
1070 _sequence_video = s;
1071 _playlist->set_sequence_video (s);
1072 signal_changed (SEQUENCE_VIDEO);
1075 /** @return Size of the largest possible image in whatever resolution we are using */
1077 Film::full_frame () const
1079 switch (_resolution) {
1081 return dcp::Size (2048, 1080);
1083 return dcp::Size (4096, 2160);
1086 DCPOMATIC_ASSERT (false);
1087 return dcp::Size ();
1090 /** @return Size of the frame */
1092 Film::frame_size () const
1094 return fit_ratio_within (container()->ratio(), full_frame (), 1);
1099 dcp::Certificate target,
1100 boost::filesystem::path cpl_file,
1101 dcp::LocalTime from,
1102 dcp::LocalTime until,
1103 dcp::Formulation formulation
1106 shared_ptr<const dcp::CPL> cpl (new dcp::CPL (cpl_file));
1107 shared_ptr<const dcp::Signer> signer = Config::instance()->signer();
1108 if (!signer->valid ()) {
1109 throw InvalidSignerError ();
1112 return dcp::DecryptedKDM (
1113 cpl, key(), from, until, "DCP-o-matic", cpl->content_title_text(), dcp::LocalTime().as_string()
1114 ).encrypt (signer, target, formulation);
1117 list<dcp::EncryptedKDM>
1119 list<shared_ptr<Screen> > screens,
1120 boost::filesystem::path dcp,
1121 dcp::LocalTime from,
1122 dcp::LocalTime until,
1123 dcp::Formulation formulation
1126 list<dcp::EncryptedKDM> kdms;
1128 for (list<shared_ptr<Screen> >::iterator i = screens.begin(); i != screens.end(); ++i) {
1129 if ((*i)->certificate) {
1130 kdms.push_back (make_kdm ((*i)->certificate.get(), dcp, from, until, formulation));
1137 /** @return The approximate disk space required to encode a DCP of this film with the
1138 * current settings, in bytes.
1141 Film::required_disk_space () const
1143 return uint64_t (j2k_bandwidth() / 8) * length().seconds();
1146 /** This method checks the disk that the Film is on and tries to decide whether or not
1147 * there will be enough space to make a DCP for it. If so, true is returned; if not,
1148 * false is returned and required and availabe are filled in with the amount of disk space
1149 * required and available respectively (in Gb).
1151 * Note: the decision made by this method isn't, of course, 100% reliable.
1154 Film::should_be_enough_disk_space (double& required, double& available) const
1156 boost::filesystem::space_info s = boost::filesystem::space (internal_video_mxf_dir ());
1157 required = double (required_disk_space ()) / 1073741824.0f;
1158 available = double (s.available) / 1073741824.0f;
1159 return (available - required) > 1;
1163 Film::subtitle_language () const
1165 set<string> languages;
1167 ContentList cl = content ();
1168 BOOST_FOREACH (shared_ptr<Content>& c, cl) {
1169 shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (c);
1171 languages.insert (sc->subtitle_language ());
1176 BOOST_FOREACH (string s, languages) {
1177 if (!all.empty ()) {