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>
73 using boost::shared_ptr;
74 using boost::weak_ptr;
75 using boost::dynamic_pointer_cast;
76 using boost::to_upper_copy;
77 using boost::ends_with;
78 using boost::starts_with;
79 using boost::optional;
80 using boost::is_any_of;
83 using dcp::raw_convert;
84 using dcp::raw_convert;
86 #define LOG_GENERAL(...) log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
87 #define LOG_GENERAL_NC(...) log()->log (__VA_ARGS__, Log::TYPE_GENERAL);
90 * AudioMapping XML changed.
92 * Subtitle offset changed to subtitle y offset, and subtitle x offset added.
94 * Use <Scale> tag in <VideoContent> rather than <Ratio>.
98 * Subtitle X and Y scale.
100 * Bumped to 32 for 2.0 branch; some times are expressed in Times rather
103 int const Film::current_state_version = 32;
105 /** Construct a Film object in a given directory.
107 * @param dir Film directory.
110 Film::Film (boost::filesystem::path dir, bool log)
111 : _playlist (new Playlist)
112 , _use_isdcf_name (true)
113 , _dcp_content_type (Config::instance()->default_dcp_content_type ())
114 , _container (Config::instance()->default_container ())
115 , _resolution (RESOLUTION_2K)
116 , _scaler (Scaler::from_id ("bicubic"))
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 , _burn_subtitles (false)
127 , _state_version (current_state_version)
130 set_isdcf_date_today ();
132 _playlist->Changed.connect (bind (&Film::playlist_changed, this));
133 _playlist->ContentChanged.connect (bind (&Film::playlist_content_changed, this, _1, _2));
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);
155 _log.reset (new FileLog (file ("log")));
157 _log.reset (new NullLog);
160 _playlist->set_sequence_video (_sequence_video);
164 Film::video_identifier () const
166 assert (container ());
169 s.imbue (std::locale::classic ());
171 s << container()->id()
172 << "_" << resolution_to_string (_resolution)
173 << "_" << _playlist->video_identifier()
174 << "_" << _video_frame_rate
175 << "_" << scaler()->id()
176 << "_" << j2k_bandwidth();
190 if (_burn_subtitles) {
201 /** @return The path to the directory to write video frame info files to */
202 boost::filesystem::path
203 Film::info_dir () const
205 boost::filesystem::path p;
207 p /= video_identifier ();
211 boost::filesystem::path
212 Film::internal_video_mxf_dir () const
214 return dir ("video");
217 boost::filesystem::path
218 Film::internal_video_mxf_filename () const
220 return video_identifier() + ".mxf";
223 boost::filesystem::path
224 Film::video_mxf_filename () const
226 return filename_safe_name() + "_video.mxf";
229 boost::filesystem::path
230 Film::audio_mxf_filename () const
232 return filename_safe_name() + "_audio.mxf";
235 boost::filesystem::path
236 Film::subtitle_xml_filename () const
238 return filename_safe_name() + "_subtitle.xml";
242 Film::filename_safe_name () const
244 string const n = name ();
246 for (size_t i = 0; i < n.length(); ++i) {
247 if (isalnum (n[i])) {
257 boost::filesystem::path
258 Film::audio_analysis_dir () const
260 return dir ("analysis");
263 /** Add suitable Jobs to the JobManager to create a DCP for this Film */
267 set_isdcf_date_today ();
269 if (dcp_name().find ("/") != string::npos) {
270 throw BadSettingError (_("name"), _("cannot contain slashes"));
273 /* It seems to make sense to auto-save metadata here, since the make DCP may last
274 a long time, and crashes/power failures are moderately likely.
278 LOG_GENERAL ("DCP-o-matic %1 git %2 using %3", dcpomatic_version, dcpomatic_git_commit, dependency_version_summary());
282 gethostname (buffer, sizeof (buffer));
283 LOG_GENERAL ("Starting to make DCP on %1", buffer);
286 ContentList cl = content ();
287 for (ContentList::const_iterator i = cl.begin(); i != cl.end(); ++i) {
288 LOG_GENERAL ("Content: %1", (*i)->technical_summary());
290 LOG_GENERAL ("DCP video rate %1 fps", video_frame_rate());
291 LOG_GENERAL ("%1 threads", Config::instance()->num_local_encoding_threads());
292 LOG_GENERAL ("J2K bandwidth %1", j2k_bandwidth());
293 #ifdef DCPOMATIC_DEBUG
294 LOG_GENERAL_NC ("DCP-o-matic built in debug mode.");
296 LOG_GENERAL_NC ("DCP-o-matic built in optimised mode.");
299 LOG_GENERAL_NC ("libdcp built in debug mode.");
301 LOG_GENERAL_NC ("libdcp built in optimised mode.");
304 #ifdef DCPOMATIC_WINDOWS
306 info.dwOSVersionInfoSize = sizeof (info);
307 GetVersionEx (&info);
308 LOG_GENERAL ("Windows version %1.%2.%3 SP %4", info.dwMajorVersion, info.dwMinorVersion, info.dwBuildNumber, info.szCSDVersion);
311 LOG_GENERAL ("CPU: %1, %2 processors", cpu_info(), boost::thread::hardware_concurrency ());
312 list<pair<string, string> > const m = mount_info ();
313 for (list<pair<string, string> >::const_iterator i = m.begin(); i != m.end(); ++i) {
314 LOG_GENERAL ("Mount: %1 %2", i->first, i->second);
317 if (container() == 0) {
318 throw MissingSettingError (_("container"));
321 if (content().empty()) {
322 throw StringError (_("You must add some content to the DCP before creating it"));
325 if (dcp_content_type() == 0) {
326 throw MissingSettingError (_("content type"));
329 if (name().empty()) {
330 throw MissingSettingError (_("name"));
333 JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (shared_from_this())));
336 /** Start a job to send our DCP to the configured TMS */
338 Film::send_dcp_to_tms ()
340 shared_ptr<Job> j (new SCPDCPJob (shared_from_this()));
341 JobManager::instance()->add (j);
344 /** Count the number of frames that have been encoded for this film.
345 * @return frame count.
348 Film::encoded_frames () const
350 if (container() == 0) {
355 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator (info_dir ()); i != boost::filesystem::directory_iterator(); ++i) {
357 boost::this_thread::interruption_point ();
363 shared_ptr<xmlpp::Document>
364 Film::metadata () const
366 shared_ptr<xmlpp::Document> doc (new xmlpp::Document);
367 xmlpp::Element* root = doc->create_root_node ("Metadata");
369 root->add_child("Version")->add_child_text (raw_convert<string> (current_state_version));
370 root->add_child("Name")->add_child_text (_name);
371 root->add_child("UseISDCFName")->add_child_text (_use_isdcf_name ? "1" : "0");
373 if (_dcp_content_type) {
374 root->add_child("DCPContentType")->add_child_text (_dcp_content_type->isdcf_name ());
378 root->add_child("Container")->add_child_text (_container->id ());
381 root->add_child("Resolution")->add_child_text (resolution_to_string (_resolution));
382 root->add_child("Scaler")->add_child_text (_scaler->id ());
383 root->add_child("J2KBandwidth")->add_child_text (raw_convert<string> (_j2k_bandwidth));
384 _isdcf_metadata.as_xml (root->add_child ("ISDCFMetadata"));
385 root->add_child("VideoFrameRate")->add_child_text (raw_convert<string> (_video_frame_rate));
386 root->add_child("ISDCFDate")->add_child_text (boost::gregorian::to_iso_string (_isdcf_date));
387 root->add_child("AudioChannels")->add_child_text (raw_convert<string> (_audio_channels));
388 root->add_child("ThreeD")->add_child_text (_three_d ? "1" : "0");
389 root->add_child("SequenceVideo")->add_child_text (_sequence_video ? "1" : "0");
390 root->add_child("Interop")->add_child_text (_interop ? "1" : "0");
391 root->add_child("BurnSubtitles")->add_child_text (_burn_subtitles ? "1" : "0");
392 root->add_child("Signed")->add_child_text (_signed ? "1" : "0");
393 root->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
394 root->add_child("Key")->add_child_text (_key.hex ());
395 _playlist->as_xml (root->add_child ("Playlist"));
400 /** Write state to our `metadata' file */
402 Film::write_metadata () const
404 boost::filesystem::create_directories (directory ());
405 shared_ptr<xmlpp::Document> doc = metadata ();
406 doc->write_to_file_formatted (file("metadata.xml").string ());
410 /** Read state from our metadata file.
411 * @return Notes about things that the user should know about, or empty.
414 Film::read_metadata ()
416 if (boost::filesystem::exists (file ("metadata")) && !boost::filesystem::exists (file ("metadata.xml"))) {
417 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!"));
420 cxml::Document f ("Metadata");
421 f.read_file (file ("metadata.xml"));
423 _state_version = f.number_child<int> ("Version");
424 if (_state_version > current_state_version) {
425 throw StringError (_("This film was created with a newer version of DCP-o-matic, and it cannot be loaded into this version. Sorry!"));
428 _name = f.string_child ("Name");
429 if (_state_version >= 9) {
430 _use_isdcf_name = f.bool_child ("UseISDCFName");
431 _isdcf_metadata = ISDCFMetadata (f.node_child ("ISDCFMetadata"));
432 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("ISDCFDate"));
434 _use_isdcf_name = f.bool_child ("UseDCIName");
435 _isdcf_metadata = ISDCFMetadata (f.node_child ("DCIMetadata"));
436 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("DCIDate"));
440 optional<string> c = f.optional_string_child ("DCPContentType");
442 _dcp_content_type = DCPContentType::from_isdcf_name (c.get ());
447 optional<string> c = f.optional_string_child ("Container");
449 _container = Ratio::from_id (c.get ());
453 _resolution = string_to_resolution (f.string_child ("Resolution"));
454 _scaler = Scaler::from_id (f.string_child ("Scaler"));
455 _j2k_bandwidth = f.number_child<int> ("J2KBandwidth");
456 _video_frame_rate = f.number_child<int> ("VideoFrameRate");
457 _signed = f.optional_bool_child("Signed").get_value_or (true);
458 _encrypted = f.bool_child ("Encrypted");
459 _audio_channels = f.number_child<int> ("AudioChannels");
460 _sequence_video = f.bool_child ("SequenceVideo");
461 _three_d = f.bool_child ("ThreeD");
462 _interop = f.bool_child ("Interop");
463 if (_state_version >= 32) {
464 _burn_subtitles = f.bool_child ("BurnSubtitles");
466 _key = dcp::Key (f.string_child ("Key"));
469 /* This method is the only one that can return notes (so far) */
470 _playlist->set_from_xml (shared_from_this(), f.node_child ("Playlist"), _state_version, notes);
472 /* Write backtraces to this film's directory, until another film is loaded */
473 set_backtrace_file (file ("backtrace.txt"));
479 /** Given a directory name, return its full path within the Film's directory.
480 * The directory (and its parents) will be created if they do not exist.
482 boost::filesystem::path
483 Film::dir (boost::filesystem::path d) const
485 boost::filesystem::path p;
489 boost::filesystem::create_directories (p);
494 /** Given a file or directory name, return its full path within the Film's directory.
495 * Any required parent directories will be created.
497 boost::filesystem::path
498 Film::file (boost::filesystem::path f) const
500 boost::filesystem::path p;
504 boost::filesystem::create_directories (p.parent_path ());
509 /** @return a ISDCF-compliant name for a DCP of this film */
511 Film::isdcf_name (bool if_created_now) const
515 string raw_name = name ();
517 /* Split the raw name up into words */
518 vector<string> words;
519 split (words, raw_name, is_any_of (" "));
523 /* Add each word to fixed_name */
524 for (vector<string>::const_iterator i = words.begin(); i != words.end(); ++i) {
527 /* First letter is always capitalised */
528 w[0] = toupper (w[0]);
530 /* Count caps in w */
532 for (size_t i = 0; i < w.size(); ++i) {
533 if (isupper (w[i])) {
538 /* If w is all caps make the rest of it lower case, otherwise
541 if (caps == w.size ()) {
542 for (size_t i = 1; i < w.size(); ++i) {
543 w[i] = tolower (w[i]);
547 for (size_t i = 0; i < w.size(); ++i) {
552 if (fixed_name.length() > 14) {
553 fixed_name = fixed_name.substr (0, 14);
558 if (dcp_content_type()) {
559 d << "_" << dcp_content_type()->isdcf_name();
560 d << "-" << isdcf_metadata().content_version;
563 ISDCFMetadata const dm = isdcf_metadata ();
565 if (dm.temp_version) {
569 if (dm.pre_release) {
577 if (!dm.chain.empty ()) {
578 d << "-" << dm.chain;
585 if (dm.two_d_version_of_three_d) {
589 if (!dm.mastered_luminance.empty ()) {
590 d << "-" << dm.mastered_luminance;
593 if (video_frame_rate() != 24) {
594 d << "-" << video_frame_rate();
598 d << "_" << container()->isdcf_name();
601 /* XXX: this uses the first bit of content only */
603 /* The standard says we don't do this for trailers, for some strange reason */
604 if (dcp_content_type() && dcp_content_type()->libdcp_kind() != dcp::TRAILER) {
605 ContentList cl = content ();
606 Ratio const * content_ratio = 0;
607 for (ContentList::iterator i = cl.begin(); i != cl.end(); ++i) {
608 shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (*i);
610 /* Here's the first piece of video content */
611 if (vc->scale().ratio ()) {
612 content_ratio = vc->scale().ratio ();
614 content_ratio = Ratio::from_ratio (vc->video_size().ratio ());
620 if (content_ratio && content_ratio != container()) {
621 d << "-" << content_ratio->isdcf_name();
625 if (!dm.audio_language.empty ()) {
626 d << "_" << dm.audio_language;
627 if (!dm.subtitle_language.empty()) {
628 d << "-" << dm.subtitle_language;
634 if (!dm.territory.empty ()) {
635 d << "_" << dm.territory;
636 if (!dm.rating.empty ()) {
637 d << "-" << dm.rating;
641 switch (audio_channels ()) {
664 d << "_" << resolution_to_string (_resolution);
666 if (!dm.studio.empty ()) {
667 d << "_" << dm.studio;
670 if (if_created_now) {
671 d << "_" << boost::gregorian::to_iso_string (boost::gregorian::day_clock::local_day ());
673 d << "_" << boost::gregorian::to_iso_string (_isdcf_date);
676 if (!dm.facility.empty ()) {
677 d << "_" << dm.facility;
690 if (!dm.package_type.empty ()) {
691 d << "_" << dm.package_type;
697 /** @return name to give the DCP */
699 Film::dcp_name (bool if_created_now) const
701 if (use_isdcf_name()) {
702 return isdcf_name (if_created_now);
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_scaler (Scaler const * s)
754 signal_changed (SCALER);
758 Film::set_j2k_bandwidth (int b)
761 signal_changed (J2K_BANDWIDTH);
765 Film::set_isdcf_metadata (ISDCFMetadata m)
768 signal_changed (ISDCF_METADATA);
772 Film::set_video_frame_rate (int f)
774 _video_frame_rate = f;
775 signal_changed (VIDEO_FRAME_RATE);
779 Film::set_audio_channels (int c)
782 signal_changed (AUDIO_CHANNELS);
786 Film::set_three_d (bool t)
789 signal_changed (THREE_D);
793 Film::set_interop (bool i)
796 signal_changed (INTEROP);
800 Film::set_burn_subtitles (bool b)
803 signal_changed (BURN_SUBTITLES);
807 Film::signal_changed (Property p)
813 set_video_frame_rate (_playlist->best_dcp_frame_rate ());
815 case Film::VIDEO_FRAME_RATE:
816 case Film::SEQUENCE_VIDEO:
817 _playlist->maybe_sequence_video ();
824 ui_signaller->emit (boost::bind (boost::ref (Changed), p));
829 Film::set_isdcf_date_today ()
831 _isdcf_date = boost::gregorian::day_clock::local_day ();
834 boost::filesystem::path
835 Film::info_path (int f, Eyes e) const
837 boost::filesystem::path p;
842 s << setfill('0') << f;
844 if (e == EYES_LEFT) {
846 } else if (e == EYES_RIGHT) {
854 /* info_dir() will already have added any initial bit of the path,
855 so don't call file() on this.
860 boost::filesystem::path
861 Film::j2c_path (int f, Eyes e, bool t) const
863 boost::filesystem::path p;
865 p /= video_identifier ();
869 s << setfill('0') << f;
871 if (e == EYES_LEFT) {
873 } else if (e == EYES_RIGHT) {
887 /** Find all the DCPs in our directory that can be dcp::DCP::read() and return details of their CPLs */
891 vector<CPLSummary> out;
893 boost::filesystem::path const dir = directory ();
894 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator(dir); i != boost::filesystem::directory_iterator(); ++i) {
896 boost::filesystem::is_directory (*i) &&
897 i->path().leaf() != "j2c" && i->path().leaf() != "video" && i->path().leaf() != "info" && i->path().leaf() != "analysis"
905 i->path().leaf().string(),
906 dcp.cpls().front()->id(),
907 dcp.cpls().front()->annotation_text(),
908 dcp.cpls().front()->file()
921 Film::make_player () const
923 return shared_ptr<Player> (new Player (shared_from_this (), _playlist));
927 Film::set_signed (bool s)
930 signal_changed (SIGNED);
934 Film::set_encrypted (bool e)
937 signal_changed (ENCRYPTED);
941 Film::playlist () const
947 Film::content () const
949 return _playlist->content ();
953 Film::examine_content (shared_ptr<Content> c, bool calculate_digest)
955 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c, calculate_digest));
956 JobManager::instance()->add (j);
960 Film::examine_and_add_content (shared_ptr<Content> c, bool calculate_digest)
962 if (dynamic_pointer_cast<FFmpegContent> (c)) {
963 run_ffprobe (c->path(0), file ("ffprobe.log"), _log);
966 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c, calculate_digest));
967 j->Finished.connect (bind (&Film::maybe_add_content, this, boost::weak_ptr<Job> (j), boost::weak_ptr<Content> (c)));
968 JobManager::instance()->add (j);
972 Film::maybe_add_content (weak_ptr<Job> j, weak_ptr<Content> c)
974 shared_ptr<Job> job = j.lock ();
975 if (!job || !job->finished_ok ()) {
979 shared_ptr<Content> content = c.lock ();
981 add_content (content);
986 Film::add_content (shared_ptr<Content> c)
988 /* Add video content after any existing content */
989 if (dynamic_pointer_cast<VideoContent> (c)) {
990 c->set_position (_playlist->video_end ());
997 Film::remove_content (shared_ptr<Content> c)
999 _playlist->remove (c);
1003 Film::move_content_earlier (shared_ptr<Content> c)
1005 _playlist->move_earlier (c);
1009 Film::move_content_later (shared_ptr<Content> c)
1011 _playlist->move_later (c);
1015 Film::length () const
1017 return _playlist->length ();
1021 Film::best_video_frame_rate () const
1023 return _playlist->best_dcp_frame_rate ();
1027 Film::active_frame_rate_change (DCPTime t) const
1029 return _playlist->active_frame_rate_change (t, video_frame_rate ());
1033 Film::playlist_content_changed (boost::weak_ptr<Content> c, int p)
1035 if (p == VideoContentProperty::VIDEO_FRAME_RATE) {
1036 set_video_frame_rate (_playlist->best_dcp_frame_rate ());
1040 ui_signaller->emit (boost::bind (boost::ref (ContentChanged), c, p));
1045 Film::playlist_changed ()
1047 signal_changed (CONTENT);
1051 Film::audio_frame_rate () const
1058 Film::set_sequence_video (bool s)
1060 _sequence_video = s;
1061 _playlist->set_sequence_video (s);
1062 signal_changed (SEQUENCE_VIDEO);
1065 /** @return Size of the largest possible image in whatever resolution we are using */
1067 Film::full_frame () const
1069 switch (_resolution) {
1071 return dcp::Size (2048, 1080);
1073 return dcp::Size (4096, 2160);
1077 return dcp::Size ();
1080 /** @return Size of the frame */
1082 Film::frame_size () const
1084 return fit_ratio_within (container()->ratio(), full_frame (), 1);
1089 dcp::Certificate target,
1090 boost::filesystem::path cpl_file,
1091 dcp::LocalTime from,
1092 dcp::LocalTime until,
1093 dcp::Formulation formulation
1096 shared_ptr<const dcp::CPL> cpl (new dcp::CPL (cpl_file));
1097 shared_ptr<const dcp::Signer> signer = Config::instance()->signer();
1098 if (!signer->valid ()) {
1099 throw InvalidSignerError ();
1102 return dcp::DecryptedKDM (
1103 cpl, key(), from, until, "DCP-o-matic", cpl->content_title_text(), dcp::LocalTime().as_string()
1104 ).encrypt (signer, target, formulation);
1107 list<dcp::EncryptedKDM>
1109 list<shared_ptr<Screen> > screens,
1110 boost::filesystem::path dcp,
1111 dcp::LocalTime from,
1112 dcp::LocalTime until,
1113 dcp::Formulation formulation
1116 list<dcp::EncryptedKDM> kdms;
1118 for (list<shared_ptr<Screen> >::iterator i = screens.begin(); i != screens.end(); ++i) {
1119 if ((*i)->certificate) {
1120 kdms.push_back (make_kdm ((*i)->certificate.get(), dcp, from, until, formulation));
1127 /** @return The approximate disk space required to encode a DCP of this film with the
1128 * current settings, in bytes.
1131 Film::required_disk_space () const
1133 return uint64_t (j2k_bandwidth() / 8) * length().seconds();
1136 /** This method checks the disk that the Film is on and tries to decide whether or not
1137 * there will be enough space to make a DCP for it. If so, true is returned; if not,
1138 * false is returned and required and availabe are filled in with the amount of disk space
1139 * required and available respectively (in Gb).
1141 * Note: the decision made by this method isn't, of course, 100% reliable.
1144 Film::should_be_enough_disk_space (double& required, double& available) const
1146 boost::filesystem::space_info s = boost::filesystem::space (internal_video_mxf_dir ());
1147 required = double (required_disk_space ()) / 1073741824.0f;
1148 available = double (s.available) / 1073741824.0f;
1149 return (available - required) > 1;