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);
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 /* It seems to make sense to auto-save metadata here, since the make DCP may last
273 a long time, and crashes/power failures are moderately likely.
277 LOG_GENERAL ("DCP-o-matic %1 git %2 using %3", dcpomatic_version, dcpomatic_git_commit, dependency_version_summary());
281 gethostname (buffer, sizeof (buffer));
282 LOG_GENERAL ("Starting to make DCP on %1", buffer);
285 ContentList cl = content ();
286 for (ContentList::const_iterator i = cl.begin(); i != cl.end(); ++i) {
287 LOG_GENERAL ("Content: %1", (*i)->technical_summary());
289 LOG_GENERAL ("DCP video rate %1 fps", video_frame_rate());
290 LOG_GENERAL ("%1 threads", Config::instance()->num_local_encoding_threads());
291 LOG_GENERAL ("J2K bandwidth %1", j2k_bandwidth());
292 #ifdef DCPOMATIC_DEBUG
293 LOG_GENERAL_NC ("DCP-o-matic built in debug mode.");
295 LOG_GENERAL_NC ("DCP-o-matic built in optimised mode.");
298 LOG_GENERAL_NC ("libdcp built in debug mode.");
300 LOG_GENERAL_NC ("libdcp built in optimised mode.");
303 #ifdef DCPOMATIC_WINDOWS
305 info.dwOSVersionInfoSize = sizeof (info);
306 GetVersionEx (&info);
307 LOG_GENERAL ("Windows version %1.%2.%3 SP %4", info.dwMajorVersion, info.dwMinorVersion, info.dwBuildNumber, info.szCSDVersion);
310 LOG_GENERAL ("CPU: %1, %2 processors", cpu_info(), boost::thread::hardware_concurrency ());
311 list<pair<string, string> > const m = mount_info ();
312 for (list<pair<string, string> >::const_iterator i = m.begin(); i != m.end(); ++i) {
313 LOG_GENERAL ("Mount: %1 %2", i->first, i->second);
316 if (container() == 0) {
317 throw MissingSettingError (_("container"));
320 if (content().empty()) {
321 throw StringError (_("You must add some content to the DCP before creating it"));
324 if (dcp_content_type() == 0) {
325 throw MissingSettingError (_("content type"));
328 if (name().empty()) {
329 throw MissingSettingError (_("name"));
332 JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (shared_from_this())));
335 /** Start a job to send our DCP to the configured TMS */
337 Film::send_dcp_to_tms ()
339 shared_ptr<Job> j (new SCPDCPJob (shared_from_this()));
340 JobManager::instance()->add (j);
343 /** Count the number of frames that have been encoded for this film.
344 * @return frame count.
347 Film::encoded_frames () const
349 if (container() == 0) {
354 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator (info_dir ()); i != boost::filesystem::directory_iterator(); ++i) {
356 boost::this_thread::interruption_point ();
362 shared_ptr<xmlpp::Document>
363 Film::metadata () const
365 shared_ptr<xmlpp::Document> doc (new xmlpp::Document);
366 xmlpp::Element* root = doc->create_root_node ("Metadata");
368 root->add_child("Version")->add_child_text (raw_convert<string> (current_state_version));
369 root->add_child("Name")->add_child_text (_name);
370 root->add_child("UseISDCFName")->add_child_text (_use_isdcf_name ? "1" : "0");
372 if (_dcp_content_type) {
373 root->add_child("DCPContentType")->add_child_text (_dcp_content_type->isdcf_name ());
377 root->add_child("Container")->add_child_text (_container->id ());
380 root->add_child("Resolution")->add_child_text (resolution_to_string (_resolution));
381 root->add_child("Scaler")->add_child_text (_scaler->id ());
382 root->add_child("J2KBandwidth")->add_child_text (raw_convert<string> (_j2k_bandwidth));
383 _isdcf_metadata.as_xml (root->add_child ("ISDCFMetadata"));
384 root->add_child("VideoFrameRate")->add_child_text (raw_convert<string> (_video_frame_rate));
385 root->add_child("ISDCFDate")->add_child_text (boost::gregorian::to_iso_string (_isdcf_date));
386 root->add_child("AudioChannels")->add_child_text (raw_convert<string> (_audio_channels));
387 root->add_child("ThreeD")->add_child_text (_three_d ? "1" : "0");
388 root->add_child("SequenceVideo")->add_child_text (_sequence_video ? "1" : "0");
389 root->add_child("Interop")->add_child_text (_interop ? "1" : "0");
390 root->add_child("BurnSubtitles")->add_child_text (_burn_subtitles ? "1" : "0");
391 root->add_child("Signed")->add_child_text (_signed ? "1" : "0");
392 root->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
393 root->add_child("Key")->add_child_text (_key.hex ());
394 _playlist->as_xml (root->add_child ("Playlist"));
399 /** Write state to our `metadata' file */
401 Film::write_metadata () const
403 boost::filesystem::create_directories (directory ());
404 shared_ptr<xmlpp::Document> doc = metadata ();
405 doc->write_to_file_formatted (file("metadata.xml").string ());
409 /** Read state from our metadata file.
410 * @return Notes about things that the user should know about, or empty.
413 Film::read_metadata ()
415 if (boost::filesystem::exists (file ("metadata")) && !boost::filesystem::exists (file ("metadata.xml"))) {
416 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!"));
419 cxml::Document f ("Metadata");
420 f.read_file (file ("metadata.xml"));
422 _state_version = f.number_child<int> ("Version");
423 if (_state_version > current_state_version) {
424 throw StringError (_("This film was created with a newer version of DCP-o-matic, and it cannot be loaded into this version. Sorry!"));
427 _name = f.string_child ("Name");
428 if (_state_version >= 9) {
429 _use_isdcf_name = f.bool_child ("UseISDCFName");
430 _isdcf_metadata = ISDCFMetadata (f.node_child ("ISDCFMetadata"));
431 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("ISDCFDate"));
433 _use_isdcf_name = f.bool_child ("UseDCIName");
434 _isdcf_metadata = ISDCFMetadata (f.node_child ("DCIMetadata"));
435 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("DCIDate"));
439 optional<string> c = f.optional_string_child ("DCPContentType");
441 _dcp_content_type = DCPContentType::from_isdcf_name (c.get ());
446 optional<string> c = f.optional_string_child ("Container");
448 _container = Ratio::from_id (c.get ());
452 _resolution = string_to_resolution (f.string_child ("Resolution"));
453 _scaler = Scaler::from_id (f.string_child ("Scaler"));
454 _j2k_bandwidth = f.number_child<int> ("J2KBandwidth");
455 _video_frame_rate = f.number_child<int> ("VideoFrameRate");
456 _signed = f.optional_bool_child("Signed").get_value_or (true);
457 _encrypted = f.bool_child ("Encrypted");
458 _audio_channels = f.number_child<int> ("AudioChannels");
459 _sequence_video = f.bool_child ("SequenceVideo");
460 _three_d = f.bool_child ("ThreeD");
461 _interop = f.bool_child ("Interop");
462 if (_state_version >= 32) {
463 _burn_subtitles = f.bool_child ("BurnSubtitles");
465 _key = dcp::Key (f.string_child ("Key"));
468 /* This method is the only one that can return notes (so far) */
469 _playlist->set_from_xml (shared_from_this(), f.node_child ("Playlist"), _state_version, notes);
471 /* Write backtraces to this film's directory, until another film is loaded */
472 set_backtrace_file (file ("backtrace.txt"));
478 /** Given a directory name, return its full path within the Film's directory.
479 * The directory (and its parents) will be created if they do not exist.
481 boost::filesystem::path
482 Film::dir (boost::filesystem::path d) const
484 boost::filesystem::path p;
488 boost::filesystem::create_directories (p);
493 /** Given a file or directory name, return its full path within the Film's directory.
494 * Any required parent directories will be created.
496 boost::filesystem::path
497 Film::file (boost::filesystem::path f) const
499 boost::filesystem::path p;
503 boost::filesystem::create_directories (p.parent_path ());
508 /** @return a ISDCF-compliant name for a DCP of this film */
510 Film::isdcf_name (bool if_created_now) const
514 string raw_name = name ();
516 /* Split the raw name up into words */
517 vector<string> words;
518 split (words, raw_name, is_any_of (" "));
522 /* Add each word to fixed_name */
523 for (vector<string>::const_iterator i = words.begin(); i != words.end(); ++i) {
526 /* First letter is always capitalised */
527 w[0] = toupper (w[0]);
529 /* Count caps in w */
531 for (size_t i = 0; i < w.size(); ++i) {
532 if (isupper (w[i])) {
537 /* If w is all caps make the rest of it lower case, otherwise
540 if (caps == w.size ()) {
541 for (size_t i = 1; i < w.size(); ++i) {
542 w[i] = tolower (w[i]);
546 for (size_t i = 0; i < w.size(); ++i) {
551 if (fixed_name.length() > 14) {
552 fixed_name = fixed_name.substr (0, 14);
557 if (dcp_content_type()) {
558 d << "_" << dcp_content_type()->isdcf_name();
559 d << "-" << isdcf_metadata().content_version;
562 ISDCFMetadata const dm = isdcf_metadata ();
564 if (dm.temp_version) {
568 if (dm.pre_release) {
576 if (!dm.chain.empty ()) {
577 d << "-" << dm.chain;
584 if (dm.two_d_version_of_three_d) {
588 if (!dm.mastered_luminance.empty ()) {
589 d << "-" << dm.mastered_luminance;
592 if (video_frame_rate() != 24) {
593 d << "-" << video_frame_rate();
597 d << "_" << container()->isdcf_name();
600 /* XXX: this uses the first bit of content only */
602 /* The standard says we don't do this for trailers, for some strange reason */
603 if (dcp_content_type() && dcp_content_type()->libdcp_kind() != dcp::TRAILER) {
604 ContentList cl = content ();
605 Ratio const * content_ratio = 0;
606 for (ContentList::iterator i = cl.begin(); i != cl.end(); ++i) {
607 shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (*i);
609 /* Here's the first piece of video content */
610 if (vc->scale().ratio ()) {
611 content_ratio = vc->scale().ratio ();
613 content_ratio = Ratio::from_ratio (vc->video_size().ratio ());
619 if (content_ratio && content_ratio != container()) {
620 d << "-" << content_ratio->isdcf_name();
624 if (!dm.audio_language.empty ()) {
625 d << "_" << dm.audio_language;
626 if (!dm.subtitle_language.empty()) {
627 d << "-" << dm.subtitle_language;
633 if (!dm.territory.empty ()) {
634 d << "_" << dm.territory;
635 if (!dm.rating.empty ()) {
636 d << "-" << dm.rating;
640 switch (audio_channels ()) {
663 d << "_" << resolution_to_string (_resolution);
665 if (!dm.studio.empty ()) {
666 d << "_" << dm.studio;
669 if (if_created_now) {
670 d << "_" << boost::gregorian::to_iso_string (boost::gregorian::day_clock::local_day ());
672 d << "_" << boost::gregorian::to_iso_string (_isdcf_date);
675 if (!dm.facility.empty ()) {
676 d << "_" << dm.facility;
689 if (!dm.package_type.empty ()) {
690 d << "_" << dm.package_type;
696 /** @return name to give the DCP */
698 Film::dcp_name (bool if_created_now) const
700 if (use_isdcf_name()) {
701 return isdcf_name (if_created_now);
708 Film::set_directory (boost::filesystem::path d)
715 Film::set_name (string n)
718 signal_changed (NAME);
722 Film::set_use_isdcf_name (bool u)
725 signal_changed (USE_ISDCF_NAME);
729 Film::set_dcp_content_type (DCPContentType const * t)
731 _dcp_content_type = t;
732 signal_changed (DCP_CONTENT_TYPE);
736 Film::set_container (Ratio const * c)
739 signal_changed (CONTAINER);
743 Film::set_resolution (Resolution r)
746 signal_changed (RESOLUTION);
750 Film::set_scaler (Scaler const * s)
753 signal_changed (SCALER);
757 Film::set_j2k_bandwidth (int b)
760 signal_changed (J2K_BANDWIDTH);
764 Film::set_isdcf_metadata (ISDCFMetadata m)
767 signal_changed (ISDCF_METADATA);
771 Film::set_video_frame_rate (int f)
773 _video_frame_rate = f;
774 signal_changed (VIDEO_FRAME_RATE);
778 Film::set_audio_channels (int c)
781 signal_changed (AUDIO_CHANNELS);
785 Film::set_three_d (bool t)
788 signal_changed (THREE_D);
792 Film::set_interop (bool i)
795 signal_changed (INTEROP);
799 Film::set_burn_subtitles (bool b)
802 signal_changed (BURN_SUBTITLES);
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 ();
823 ui_signaller->emit (boost::bind (boost::ref (Changed), p));
828 Film::set_isdcf_date_today ()
830 _isdcf_date = boost::gregorian::day_clock::local_day ();
833 boost::filesystem::path
834 Film::info_path (int f, Eyes e) const
836 boost::filesystem::path p;
841 s << setfill('0') << f;
843 if (e == EYES_LEFT) {
845 } else if (e == EYES_RIGHT) {
853 /* info_dir() will already have added any initial bit of the path,
854 so don't call file() on this.
859 boost::filesystem::path
860 Film::j2c_path (int f, Eyes e, bool t) const
862 boost::filesystem::path p;
864 p /= video_identifier ();
868 s << setfill('0') << f;
870 if (e == EYES_LEFT) {
872 } else if (e == EYES_RIGHT) {
886 /** Find all the DCPs in our directory that can be dcp::DCP::read() and return details of their CPLs */
890 vector<CPLSummary> out;
892 boost::filesystem::path const dir = directory ();
893 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator(dir); i != boost::filesystem::directory_iterator(); ++i) {
895 boost::filesystem::is_directory (*i) &&
896 i->path().leaf() != "j2c" && i->path().leaf() != "video" && i->path().leaf() != "info" && i->path().leaf() != "analysis"
904 i->path().leaf().string(),
905 dcp.cpls().front()->id(),
906 dcp.cpls().front()->annotation_text(),
907 dcp.cpls().front()->file()
920 Film::make_player () const
922 return shared_ptr<Player> (new Player (shared_from_this (), _playlist));
926 Film::set_signed (bool s)
929 signal_changed (SIGNED);
933 Film::set_encrypted (bool e)
936 signal_changed (ENCRYPTED);
940 Film::playlist () const
946 Film::content () const
948 return _playlist->content ();
952 Film::examine_content (shared_ptr<Content> c, bool calculate_digest)
954 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c, calculate_digest));
955 JobManager::instance()->add (j);
959 Film::examine_and_add_content (shared_ptr<Content> c, bool calculate_digest)
961 if (dynamic_pointer_cast<FFmpegContent> (c)) {
962 run_ffprobe (c->path(0), file ("ffprobe.log"), _log);
965 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c, calculate_digest));
966 j->Finished.connect (bind (&Film::maybe_add_content, this, boost::weak_ptr<Job> (j), boost::weak_ptr<Content> (c)));
967 JobManager::instance()->add (j);
971 Film::maybe_add_content (weak_ptr<Job> j, weak_ptr<Content> c)
973 shared_ptr<Job> job = j.lock ();
974 if (!job || !job->finished_ok ()) {
978 shared_ptr<Content> content = c.lock ();
980 add_content (content);
985 Film::add_content (shared_ptr<Content> c)
987 /* Add video content after any existing content */
988 if (dynamic_pointer_cast<VideoContent> (c)) {
989 c->set_position (_playlist->video_end ());
996 Film::remove_content (shared_ptr<Content> c)
998 _playlist->remove (c);
1002 Film::move_content_earlier (shared_ptr<Content> c)
1004 _playlist->move_earlier (c);
1008 Film::move_content_later (shared_ptr<Content> c)
1010 _playlist->move_later (c);
1014 Film::length () const
1016 return _playlist->length ();
1020 Film::best_video_frame_rate () const
1022 return _playlist->best_dcp_frame_rate ();
1026 Film::active_frame_rate_change (DCPTime t) const
1028 return _playlist->active_frame_rate_change (t, video_frame_rate ());
1032 Film::playlist_content_changed (boost::weak_ptr<Content> c, int p)
1034 if (p == VideoContentProperty::VIDEO_FRAME_RATE) {
1035 set_video_frame_rate (_playlist->best_dcp_frame_rate ());
1039 ui_signaller->emit (boost::bind (boost::ref (ContentChanged), c, p));
1044 Film::playlist_changed ()
1046 signal_changed (CONTENT);
1050 Film::audio_frame_rate () const
1057 Film::set_sequence_video (bool s)
1059 _sequence_video = s;
1060 _playlist->set_sequence_video (s);
1061 signal_changed (SEQUENCE_VIDEO);
1064 /** @return Size of the largest possible image in whatever resolution we are using */
1066 Film::full_frame () const
1068 switch (_resolution) {
1070 return dcp::Size (2048, 1080);
1072 return dcp::Size (4096, 2160);
1076 return dcp::Size ();
1079 /** @return Size of the frame */
1081 Film::frame_size () const
1083 return fit_ratio_within (container()->ratio(), full_frame (), 1);
1088 dcp::Certificate target,
1089 boost::filesystem::path cpl_file,
1090 dcp::LocalTime from,
1091 dcp::LocalTime until,
1092 dcp::Formulation formulation
1095 shared_ptr<const dcp::CPL> cpl (new dcp::CPL (cpl_file));
1096 shared_ptr<const dcp::Signer> signer = Config::instance()->signer();
1097 if (!signer->valid ()) {
1098 throw InvalidSignerError ();
1101 return dcp::DecryptedKDM (
1102 cpl, key(), from, until, "DCP-o-matic", cpl->content_title_text(), dcp::LocalTime().as_string()
1103 ).encrypt (signer, target, formulation);
1106 list<dcp::EncryptedKDM>
1108 list<shared_ptr<Screen> > screens,
1109 boost::filesystem::path dcp,
1110 dcp::LocalTime from,
1111 dcp::LocalTime until,
1112 dcp::Formulation formulation
1115 list<dcp::EncryptedKDM> kdms;
1117 for (list<shared_ptr<Screen> >::iterator i = screens.begin(); i != screens.end(); ++i) {
1118 if ((*i)->certificate) {
1119 kdms.push_back (make_kdm ((*i)->certificate.get(), dcp, from, until, formulation));
1126 /** @return The approximate disk space required to encode a DCP of this film with the
1127 * current settings, in bytes.
1130 Film::required_disk_space () const
1132 return uint64_t (j2k_bandwidth() / 8) * length().seconds();
1135 /** This method checks the disk that the Film is on and tries to decide whether or not
1136 * there will be enough space to make a DCP for it. If so, true is returned; if not,
1137 * false is returned and required and availabe are filled in with the amount of disk space
1138 * required and available respectively (in Gb).
1140 * Note: the decision made by this method isn't, of course, 100% reliable.
1143 Film::should_be_enough_disk_space (double& required, double& available) const
1145 boost::filesystem::space_info s = boost::filesystem::space (internal_video_mxf_dir ());
1146 required = double (required_disk_space ()) / 1073741824.0f;
1147 available = double (s.available) / 1073741824.0f;
1148 return (available - required) > 1;