2 Copyright (C) 2012-2014 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.
23 #include "job_manager.h"
24 #include "transcode_job.h"
25 #include "scp_dcp_job.h"
27 #include "exceptions.h"
28 #include "examine_content_job.h"
32 #include "ui_signaller.h"
35 #include "dcp_content_type.h"
39 #include "safe_stringstream.h"
40 #include <libcxml/cxml.h>
42 #include <dcp/signer.h>
44 #include <dcp/local_time.h>
45 #include <dcp/raw_convert.h>
46 #include <dcp/decrypted_kdm.h>
47 #include <libxml++/libxml++.h>
48 #include <boost/filesystem.hpp>
49 #include <boost/algorithm/string.hpp>
50 #include <boost/lexical_cast.hpp>
72 using boost::shared_ptr;
73 using boost::weak_ptr;
74 using boost::dynamic_pointer_cast;
75 using boost::to_upper_copy;
76 using boost::ends_with;
77 using boost::starts_with;
78 using boost::optional;
79 using boost::is_any_of;
82 using dcp::raw_convert;
83 using dcp::raw_convert;
85 #define LOG_GENERAL(...) log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
86 #define LOG_GENERAL_NC(...) log()->log (__VA_ARGS__, Log::TYPE_GENERAL);
89 * AudioMapping XML changed.
91 * Subtitle offset changed to subtitle y offset, and subtitle x offset added.
93 * Use <Scale> tag in <VideoContent> rather than <Ratio>.
97 * Subtitle X and Y scale.
99 * Bumped to 32 for 2.0 branch; some times are expressed in Times rather
102 int const Film::current_state_version = 32;
104 /** Construct a Film object in a given directory.
106 * @param dir Film directory.
109 Film::Film (boost::filesystem::path dir, bool log)
110 : _playlist (new Playlist)
111 , _use_isdcf_name (true)
112 , _dcp_content_type (Config::instance()->default_dcp_content_type ())
113 , _container (Config::instance()->default_container ())
114 , _resolution (RESOLUTION_2K)
115 , _scaler (Scaler::from_id ("bicubic"))
118 , _j2k_bandwidth (Config::instance()->default_j2k_bandwidth ())
119 , _isdcf_metadata (Config::instance()->default_isdcf_metadata ())
120 , _video_frame_rate (24)
121 , _audio_channels (6)
123 , _sequence_video (true)
125 , _burn_subtitles (false)
126 , _state_version (current_state_version)
129 set_isdcf_date_today ();
131 _playlist->Changed.connect (bind (&Film::playlist_changed, this));
132 _playlist->ContentChanged.connect (bind (&Film::playlist_content_changed, this, _1, _2));
134 /* Make state.directory a complete path without ..s (where possible)
135 (Code swiped from Adam Bowen on stackoverflow)
138 boost::filesystem::path p (boost::filesystem::system_complete (dir));
139 boost::filesystem::path result;
140 for (boost::filesystem::path::iterator i = p.begin(); i != p.end(); ++i) {
142 if (boost::filesystem::is_symlink (result) || result.filename() == "..") {
145 result = result.parent_path ();
147 } else if (*i != ".") {
152 set_directory (result.make_preferred ());
154 _log.reset (new FileLog (file ("log")));
156 _log.reset (new NullLog);
159 _playlist->set_sequence_video (_sequence_video);
163 Film::video_identifier () const
165 assert (container ());
168 s.imbue (std::locale::classic ());
170 s << container()->id()
171 << "_" << resolution_to_string (_resolution)
172 << "_" << _playlist->video_identifier()
173 << "_" << _video_frame_rate
174 << "_" << scaler()->id()
175 << "_" << j2k_bandwidth();
189 if (_burn_subtitles) {
200 /** @return The path to the directory to write video frame info files to */
201 boost::filesystem::path
202 Film::info_dir () const
204 boost::filesystem::path p;
206 p /= video_identifier ();
210 boost::filesystem::path
211 Film::internal_video_mxf_dir () const
213 return dir ("video");
216 boost::filesystem::path
217 Film::internal_video_mxf_filename () const
219 return video_identifier() + ".mxf";
222 boost::filesystem::path
223 Film::video_mxf_filename () const
225 return filename_safe_name() + "_video.mxf";
228 boost::filesystem::path
229 Film::audio_mxf_filename () const
231 return filename_safe_name() + "_audio.mxf";
234 boost::filesystem::path
235 Film::subtitle_xml_filename () const
237 return filename_safe_name() + "_subtitle.xml";
241 Film::filename_safe_name () const
243 string const n = name ();
245 for (size_t i = 0; i < n.length(); ++i) {
246 if (isalnum (n[i])) {
256 boost::filesystem::path
257 Film::audio_analysis_dir () const
259 return dir ("analysis");
262 /** Add suitable Jobs to the JobManager to create a DCP for this Film */
266 set_isdcf_date_today ();
268 if (dcp_name().find ("/") != string::npos) {
269 throw BadSettingError (_("name"), _("cannot contain slashes"));
272 LOG_GENERAL ("DCP-o-matic %1 git %2 using %3", dcpomatic_version, dcpomatic_git_commit, dependency_version_summary());
276 gethostname (buffer, sizeof (buffer));
277 LOG_GENERAL ("Starting to make DCP on %1", buffer);
280 ContentList cl = content ();
281 for (ContentList::const_iterator i = cl.begin(); i != cl.end(); ++i) {
282 LOG_GENERAL ("Content: %1", (*i)->technical_summary());
284 LOG_GENERAL ("DCP video rate %1 fps", video_frame_rate());
285 LOG_GENERAL ("%1 threads", Config::instance()->num_local_encoding_threads());
286 LOG_GENERAL ("J2K bandwidth %1", j2k_bandwidth());
287 #ifdef DCPOMATIC_DEBUG
288 LOG_GENERAL_NC ("DCP-o-matic built in debug mode.");
290 LOG_GENERAL_NC ("DCP-o-matic built in optimised mode.");
293 LOG_GENERAL_NC ("libdcp built in debug mode.");
295 LOG_GENERAL_NC ("libdcp built in optimised mode.");
298 #ifdef DCPOMATIC_WINDOWS
300 info.dwOSVersionInfoSize = sizeof (info);
301 GetVersionEx (&info);
302 LOG_GENERAL ("Windows version %1.%2.%3 SP %4", info.dwMajorVersion, info.dwMinorVersion, info.dwBuildNumber, info.szCSDVersion);
305 LOG_GENERAL ("CPU: %1, %2 processors", cpu_info(), boost::thread::hardware_concurrency ());
306 list<pair<string, string> > const m = mount_info ();
307 for (list<pair<string, string> >::const_iterator i = m.begin(); i != m.end(); ++i) {
308 LOG_GENERAL ("Mount: %1 %2", i->first, i->second);
311 if (container() == 0) {
312 throw MissingSettingError (_("container"));
315 if (content().empty()) {
316 throw StringError (_("You must add some content to the DCP before creating it"));
319 if (dcp_content_type() == 0) {
320 throw MissingSettingError (_("content type"));
323 if (name().empty()) {
324 throw MissingSettingError (_("name"));
327 JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (shared_from_this())));
330 /** Start a job to send our DCP to the configured TMS */
332 Film::send_dcp_to_tms ()
334 shared_ptr<Job> j (new SCPDCPJob (shared_from_this()));
335 JobManager::instance()->add (j);
338 /** Count the number of frames that have been encoded for this film.
339 * @return frame count.
342 Film::encoded_frames () const
344 if (container() == 0) {
349 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator (info_dir ()); i != boost::filesystem::directory_iterator(); ++i) {
351 boost::this_thread::interruption_point ();
357 shared_ptr<xmlpp::Document>
358 Film::metadata () const
360 shared_ptr<xmlpp::Document> doc (new xmlpp::Document);
361 xmlpp::Element* root = doc->create_root_node ("Metadata");
363 root->add_child("Version")->add_child_text (raw_convert<string> (current_state_version));
364 root->add_child("Name")->add_child_text (_name);
365 root->add_child("UseISDCFName")->add_child_text (_use_isdcf_name ? "1" : "0");
367 if (_dcp_content_type) {
368 root->add_child("DCPContentType")->add_child_text (_dcp_content_type->isdcf_name ());
372 root->add_child("Container")->add_child_text (_container->id ());
375 root->add_child("Resolution")->add_child_text (resolution_to_string (_resolution));
376 root->add_child("Scaler")->add_child_text (_scaler->id ());
377 root->add_child("J2KBandwidth")->add_child_text (raw_convert<string> (_j2k_bandwidth));
378 _isdcf_metadata.as_xml (root->add_child ("ISDCFMetadata"));
379 root->add_child("VideoFrameRate")->add_child_text (raw_convert<string> (_video_frame_rate));
380 root->add_child("ISDCFDate")->add_child_text (boost::gregorian::to_iso_string (_isdcf_date));
381 root->add_child("AudioChannels")->add_child_text (raw_convert<string> (_audio_channels));
382 root->add_child("ThreeD")->add_child_text (_three_d ? "1" : "0");
383 root->add_child("SequenceVideo")->add_child_text (_sequence_video ? "1" : "0");
384 root->add_child("Interop")->add_child_text (_interop ? "1" : "0");
385 root->add_child("BurnSubtitles")->add_child_text (_burn_subtitles ? "1" : "0");
386 root->add_child("Signed")->add_child_text (_signed ? "1" : "0");
387 root->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
388 root->add_child("Key")->add_child_text (_key.hex ());
389 _playlist->as_xml (root->add_child ("Playlist"));
394 /** Write state to our `metadata' file */
396 Film::write_metadata () const
398 boost::filesystem::create_directories (directory ());
399 shared_ptr<xmlpp::Document> doc = metadata ();
400 doc->write_to_file_formatted (file("metadata.xml").string ());
404 /** Read state from our metadata file.
405 * @return Notes about things that the user should know about, or empty.
408 Film::read_metadata ()
410 if (boost::filesystem::exists (file ("metadata")) && !boost::filesystem::exists (file ("metadata.xml"))) {
411 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!"));
414 cxml::Document f ("Metadata");
415 f.read_file (file ("metadata.xml"));
417 _state_version = f.number_child<int> ("Version");
418 if (_state_version > current_state_version) {
419 throw StringError (_("This film was created with a newer version of DCP-o-matic, and it cannot be loaded into this version. Sorry!"));
422 _name = f.string_child ("Name");
423 if (_state_version >= 9) {
424 _use_isdcf_name = f.bool_child ("UseISDCFName");
425 _isdcf_metadata = ISDCFMetadata (f.node_child ("ISDCFMetadata"));
426 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("ISDCFDate"));
428 _use_isdcf_name = f.bool_child ("UseDCIName");
429 _isdcf_metadata = ISDCFMetadata (f.node_child ("DCIMetadata"));
430 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("DCIDate"));
434 optional<string> c = f.optional_string_child ("DCPContentType");
436 _dcp_content_type = DCPContentType::from_isdcf_name (c.get ());
441 optional<string> c = f.optional_string_child ("Container");
443 _container = Ratio::from_id (c.get ());
447 _resolution = string_to_resolution (f.string_child ("Resolution"));
448 _scaler = Scaler::from_id (f.string_child ("Scaler"));
449 _j2k_bandwidth = f.number_child<int> ("J2KBandwidth");
450 _video_frame_rate = f.number_child<int> ("VideoFrameRate");
451 _signed = f.optional_bool_child("Signed").get_value_or (true);
452 _encrypted = f.bool_child ("Encrypted");
453 _audio_channels = f.number_child<int> ("AudioChannels");
454 _sequence_video = f.bool_child ("SequenceVideo");
455 _three_d = f.bool_child ("ThreeD");
456 _interop = f.bool_child ("Interop");
457 if (_state_version >= 32) {
458 _burn_subtitles = f.bool_child ("BurnSubtitles");
460 _key = dcp::Key (f.string_child ("Key"));
463 /* This method is the only one that can return notes (so far) */
464 _playlist->set_from_xml (shared_from_this(), f.node_child ("Playlist"), _state_version, notes);
466 /* Write backtraces to this film's directory, until another film is loaded */
467 set_backtrace_file (file ("backtrace.txt"));
473 /** Given a directory name, return its full path within the Film's directory.
474 * The directory (and its parents) will be created if they do not exist.
476 boost::filesystem::path
477 Film::dir (boost::filesystem::path d) const
479 boost::filesystem::path p;
483 boost::filesystem::create_directories (p);
488 /** Given a file or directory name, return its full path within the Film's directory.
489 * Any required parent directories will be created.
491 boost::filesystem::path
492 Film::file (boost::filesystem::path f) const
494 boost::filesystem::path p;
498 boost::filesystem::create_directories (p.parent_path ());
503 /** @return a ISDCF-compliant name for a DCP of this film */
505 Film::isdcf_name (bool if_created_now) const
509 string raw_name = name ();
511 /* Split the raw name up into words */
512 vector<string> words;
513 split (words, raw_name, is_any_of (" "));
517 /* Add each word to fixed_name */
518 for (vector<string>::const_iterator i = words.begin(); i != words.end(); ++i) {
521 /* First letter is always capitalised */
522 w[0] = toupper (w[0]);
524 /* Count caps in w */
526 for (size_t i = 0; i < w.size(); ++i) {
527 if (isupper (w[i])) {
532 /* If w is all caps make the rest of it lower case, otherwise
535 if (caps == w.size ()) {
536 for (size_t i = 1; i < w.size(); ++i) {
537 w[i] = tolower (w[i]);
541 for (size_t i = 0; i < w.size(); ++i) {
546 if (fixed_name.length() > 14) {
547 fixed_name = fixed_name.substr (0, 14);
552 if (dcp_content_type()) {
553 d << "_" << dcp_content_type()->isdcf_name();
554 d << "-" << isdcf_metadata().content_version;
557 ISDCFMetadata const dm = isdcf_metadata ();
559 if (dm.temp_version) {
563 if (dm.pre_release) {
571 if (!dm.chain.empty ()) {
572 d << "-" << dm.chain;
579 if (dm.two_d_version_of_three_d) {
583 if (!dm.mastered_luminance.empty ()) {
584 d << "-" << dm.mastered_luminance;
587 if (video_frame_rate() != 24) {
588 d << "-" << video_frame_rate();
592 d << "_" << container()->isdcf_name();
595 /* XXX: this uses the first bit of content only */
597 /* The standard says we don't do this for trailers, for some strange reason */
598 if (dcp_content_type() && dcp_content_type()->libdcp_kind() != dcp::TRAILER) {
599 ContentList cl = content ();
600 Ratio const * content_ratio = 0;
601 for (ContentList::iterator i = cl.begin(); i != cl.end(); ++i) {
602 shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (*i);
604 /* Here's the first piece of video content */
605 if (vc->scale().ratio ()) {
606 content_ratio = vc->scale().ratio ();
608 content_ratio = Ratio::from_ratio (vc->video_size().ratio ());
614 if (content_ratio && content_ratio != container()) {
615 d << "-" << content_ratio->isdcf_name();
619 if (!dm.audio_language.empty ()) {
620 d << "_" << dm.audio_language;
621 if (!dm.subtitle_language.empty()) {
622 d << "-" << dm.subtitle_language;
628 if (!dm.territory.empty ()) {
629 d << "_" << dm.territory;
630 if (!dm.rating.empty ()) {
631 d << "-" << dm.rating;
635 switch (audio_channels ()) {
658 d << "_" << resolution_to_string (_resolution);
660 if (!dm.studio.empty ()) {
661 d << "_" << dm.studio;
664 if (if_created_now) {
665 d << "_" << boost::gregorian::to_iso_string (boost::gregorian::day_clock::local_day ());
667 d << "_" << boost::gregorian::to_iso_string (_isdcf_date);
670 if (!dm.facility.empty ()) {
671 d << "_" << dm.facility;
684 if (!dm.package_type.empty ()) {
685 d << "_" << dm.package_type;
691 /** @return name to give the DCP */
693 Film::dcp_name (bool if_created_now) const
695 if (use_isdcf_name()) {
696 return isdcf_name (if_created_now);
703 Film::set_directory (boost::filesystem::path d)
710 Film::set_name (string n)
713 signal_changed (NAME);
717 Film::set_use_isdcf_name (bool u)
720 signal_changed (USE_ISDCF_NAME);
724 Film::set_dcp_content_type (DCPContentType const * t)
726 _dcp_content_type = t;
727 signal_changed (DCP_CONTENT_TYPE);
731 Film::set_container (Ratio const * c)
734 signal_changed (CONTAINER);
738 Film::set_resolution (Resolution r)
741 signal_changed (RESOLUTION);
745 Film::set_scaler (Scaler const * s)
748 signal_changed (SCALER);
752 Film::set_j2k_bandwidth (int b)
755 signal_changed (J2K_BANDWIDTH);
759 Film::set_isdcf_metadata (ISDCFMetadata m)
762 signal_changed (ISDCF_METADATA);
766 Film::set_video_frame_rate (int f)
768 _video_frame_rate = f;
769 signal_changed (VIDEO_FRAME_RATE);
773 Film::set_audio_channels (int c)
776 signal_changed (AUDIO_CHANNELS);
780 Film::set_three_d (bool t)
783 signal_changed (THREE_D);
787 Film::set_interop (bool i)
790 signal_changed (INTEROP);
794 Film::set_burn_subtitles (bool b)
797 signal_changed (BURN_SUBTITLES);
801 Film::signal_changed (Property p)
807 set_video_frame_rate (_playlist->best_dcp_frame_rate ());
809 case Film::VIDEO_FRAME_RATE:
810 case Film::SEQUENCE_VIDEO:
811 _playlist->maybe_sequence_video ();
818 ui_signaller->emit (boost::bind (boost::ref (Changed), p));
823 Film::set_isdcf_date_today ()
825 _isdcf_date = boost::gregorian::day_clock::local_day ();
828 boost::filesystem::path
829 Film::info_path (int f, Eyes e) const
831 boost::filesystem::path p;
836 s << setfill('0') << f;
838 if (e == EYES_LEFT) {
840 } else if (e == EYES_RIGHT) {
848 /* info_dir() will already have added any initial bit of the path,
849 so don't call file() on this.
854 boost::filesystem::path
855 Film::j2c_path (int f, Eyes e, bool t) const
857 boost::filesystem::path p;
859 p /= video_identifier ();
863 s << setfill('0') << f;
865 if (e == EYES_LEFT) {
867 } else if (e == EYES_RIGHT) {
881 /** Find all the DCPs in our directory that can be dcp::DCP::read() and return details of their CPLs */
885 vector<CPLSummary> out;
887 boost::filesystem::path const dir = directory ();
888 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator(dir); i != boost::filesystem::directory_iterator(); ++i) {
890 boost::filesystem::is_directory (*i) &&
891 i->path().leaf() != "j2c" && i->path().leaf() != "video" && i->path().leaf() != "info" && i->path().leaf() != "analysis"
899 i->path().leaf().string(),
900 dcp.cpls().front()->id(),
901 dcp.cpls().front()->annotation_text(),
902 dcp.cpls().front()->file()
915 Film::make_player () const
917 return shared_ptr<Player> (new Player (shared_from_this (), _playlist));
921 Film::set_signed (bool s)
924 signal_changed (SIGNED);
928 Film::set_encrypted (bool e)
931 signal_changed (ENCRYPTED);
935 Film::playlist () const
941 Film::content () const
943 return _playlist->content ();
947 Film::examine_content (shared_ptr<Content> c, bool calculate_digest)
949 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c, calculate_digest));
950 JobManager::instance()->add (j);
954 Film::examine_and_add_content (shared_ptr<Content> c, bool calculate_digest)
956 if (dynamic_pointer_cast<FFmpegContent> (c)) {
957 run_ffprobe (c->path(0), file ("ffprobe.log"), _log);
960 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c, calculate_digest));
961 j->Finished.connect (bind (&Film::maybe_add_content, this, boost::weak_ptr<Job> (j), boost::weak_ptr<Content> (c)));
962 JobManager::instance()->add (j);
966 Film::maybe_add_content (weak_ptr<Job> j, weak_ptr<Content> c)
968 shared_ptr<Job> job = j.lock ();
969 if (!job || !job->finished_ok ()) {
973 shared_ptr<Content> content = c.lock ();
975 add_content (content);
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);
1009 Film::length () const
1011 return _playlist->length ();
1015 Film::best_video_frame_rate () const
1017 return _playlist->best_dcp_frame_rate ();
1021 Film::active_frame_rate_change (DCPTime t) const
1023 return _playlist->active_frame_rate_change (t, video_frame_rate ());
1027 Film::playlist_content_changed (boost::weak_ptr<Content> c, int p)
1029 if (p == VideoContentProperty::VIDEO_FRAME_RATE) {
1030 set_video_frame_rate (_playlist->best_dcp_frame_rate ());
1034 ui_signaller->emit (boost::bind (boost::ref (ContentChanged), c, p));
1039 Film::playlist_changed ()
1041 signal_changed (CONTENT);
1045 Film::audio_frame_rate () const
1052 Film::set_sequence_video (bool s)
1054 _sequence_video = s;
1055 _playlist->set_sequence_video (s);
1056 signal_changed (SEQUENCE_VIDEO);
1059 /** @return Size of the largest possible image in whatever resolution we are using */
1061 Film::full_frame () const
1063 switch (_resolution) {
1065 return dcp::Size (2048, 1080);
1067 return dcp::Size (4096, 2160);
1071 return dcp::Size ();
1074 /** @return Size of the frame */
1076 Film::frame_size () const
1078 return fit_ratio_within (container()->ratio(), full_frame (), 1);
1083 dcp::Certificate target,
1084 boost::filesystem::path cpl_file,
1085 dcp::LocalTime from,
1086 dcp::LocalTime until,
1087 dcp::Formulation formulation
1090 shared_ptr<const dcp::CPL> cpl (new dcp::CPL (cpl_file));
1091 shared_ptr<const dcp::Signer> signer = Config::instance()->signer();
1092 if (!signer->valid ()) {
1093 throw InvalidSignerError ();
1096 return dcp::DecryptedKDM (
1097 cpl, key(), from, until, "DCP-o-matic", cpl->content_title_text(), dcp::LocalTime().as_string()
1098 ).encrypt (signer, target, formulation);
1101 list<dcp::EncryptedKDM>
1103 list<shared_ptr<Screen> > screens,
1104 boost::filesystem::path dcp,
1105 dcp::LocalTime from,
1106 dcp::LocalTime until,
1107 dcp::Formulation formulation
1110 list<dcp::EncryptedKDM> kdms;
1112 for (list<shared_ptr<Screen> >::iterator i = screens.begin(); i != screens.end(); ++i) {
1113 if ((*i)->certificate) {
1114 kdms.push_back (make_kdm ((*i)->certificate.get(), dcp, from, until, formulation));
1121 /** @return The approximate disk space required to encode a DCP of this film with the
1122 * current settings, in bytes.
1125 Film::required_disk_space () const
1127 return uint64_t (j2k_bandwidth() / 8) * length().seconds();
1130 /** This method checks the disk that the Film is on and tries to decide whether or not
1131 * there will be enough space to make a DCP for it. If so, true is returned; if not,
1132 * false is returned and required and availabe are filled in with the amount of disk space
1133 * required and available respectively (in Gb).
1135 * Note: the decision made by this method isn't, of course, 100% reliable.
1138 Film::should_be_enough_disk_space (double& required, double& available) const
1140 boost::filesystem::space_info s = boost::filesystem::space (internal_video_mxf_dir ());
1141 required = double (required_disk_space ()) / 1073741824.0f;
1142 available = double (s.available) / 1073741824.0f;
1143 return (available - required) > 1;