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.
28 #include <boost/filesystem.hpp>
29 #include <boost/algorithm/string.hpp>
30 #include <boost/lexical_cast.hpp>
31 #include <libxml++/libxml++.h>
32 #include <libcxml/cxml.h>
34 #include <dcp/signer.h>
36 #include <dcp/local_time.h>
37 #include <dcp/raw_convert.h>
41 #include "job_manager.h"
42 #include "transcode_job.h"
43 #include "scp_dcp_job.h"
45 #include "exceptions.h"
46 #include "examine_content_job.h"
50 #include "ui_signaller.h"
53 #include "dcp_content_type.h"
61 using std::stringstream;
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 * Bumped to 32 for 2.0 branch; some times are expressed in Times rather
100 int const Film::current_state_version = 32;
102 /** Construct a Film object in a given directory.
104 * @param dir Film directory.
107 Film::Film (boost::filesystem::path dir, bool log)
108 : _playlist (new Playlist)
109 , _use_isdcf_name (true)
110 , _dcp_content_type (Config::instance()->default_dcp_content_type ())
111 , _container (Config::instance()->default_container ())
112 , _resolution (RESOLUTION_2K)
113 , _scaler (Scaler::from_id ("bicubic"))
116 , _j2k_bandwidth (Config::instance()->default_j2k_bandwidth ())
117 , _isdcf_metadata (Config::instance()->default_isdcf_metadata ())
118 , _video_frame_rate (24)
119 , _audio_channels (6)
121 , _sequence_video (true)
123 , _burn_subtitles (false)
124 , _state_version (current_state_version)
127 set_isdcf_date_today ();
129 _playlist->Changed.connect (bind (&Film::playlist_changed, this));
130 _playlist->ContentChanged.connect (bind (&Film::playlist_content_changed, this, _1, _2));
132 /* Make state.directory a complete path without ..s (where possible)
133 (Code swiped from Adam Bowen on stackoverflow)
136 boost::filesystem::path p (boost::filesystem::system_complete (dir));
137 boost::filesystem::path result;
138 for (boost::filesystem::path::iterator i = p.begin(); i != p.end(); ++i) {
140 if (boost::filesystem::is_symlink (result) || result.filename() == "..") {
143 result = result.parent_path ();
145 } else if (*i != ".") {
150 set_directory (result);
152 _log.reset (new FileLog (file ("log")));
154 _log.reset (new NullLog);
157 _playlist->set_sequence_video (_sequence_video);
161 Film::video_identifier () const
163 assert (container ());
166 s.imbue (std::locale::classic ());
168 s << container()->id()
169 << "_" << resolution_to_string (_resolution)
170 << "_" << _playlist->video_identifier()
171 << "_" << _video_frame_rate
172 << "_" << scaler()->id()
173 << "_" << j2k_bandwidth();
187 if (_burn_subtitles) {
198 /** @return The path to the directory to write video frame info files to */
199 boost::filesystem::path
200 Film::info_dir () const
202 boost::filesystem::path p;
204 p /= video_identifier ();
208 boost::filesystem::path
209 Film::internal_video_mxf_dir () const
211 return dir ("video");
214 boost::filesystem::path
215 Film::internal_video_mxf_filename () const
217 return video_identifier() + ".mxf";
220 boost::filesystem::path
221 Film::video_mxf_filename () const
223 return filename_safe_name() + "_video.mxf";
226 boost::filesystem::path
227 Film::audio_mxf_filename () const
229 return filename_safe_name() + "_audio.mxf";
232 boost::filesystem::path
233 Film::subtitle_xml_filename () const
235 return filename_safe_name() + "_subtitle.xml";
239 Film::filename_safe_name () const
241 string const n = name ();
243 for (size_t i = 0; i < n.length(); ++i) {
244 if (isalnum (n[i])) {
254 boost::filesystem::path
255 Film::audio_analysis_dir () const
257 return dir ("analysis");
260 /** Add suitable Jobs to the JobManager to create a DCP for this Film */
264 set_isdcf_date_today ();
266 if (dcp_name().find ("/") != string::npos) {
267 throw BadSettingError (_("name"), _("cannot contain slashes"));
270 /* It seems to make sense to auto-save metadata here, since the make DCP may last
271 a long time, and crashes/power failures are moderately likely.
275 LOG_GENERAL ("DCP-o-matic %1 git %2 using %3", dcpomatic_version, dcpomatic_git_commit, dependency_version_summary());
279 gethostname (buffer, sizeof (buffer));
280 LOG_GENERAL ("Starting to make DCP on %1", buffer);
283 ContentList cl = content ();
284 for (ContentList::const_iterator i = cl.begin(); i != cl.end(); ++i) {
285 LOG_GENERAL ("Content: %1", (*i)->technical_summary());
287 LOG_GENERAL ("DCP video rate %1 fps", video_frame_rate());
288 LOG_GENERAL ("%1 threads", Config::instance()->num_local_encoding_threads());
289 LOG_GENERAL ("J2K bandwidth %1", j2k_bandwidth());
290 #ifdef DCPOMATIC_DEBUG
291 LOG_GENERAL_NC ("DCP-o-matic built in debug mode.");
293 LOG_GENERAL_NC ("DCP-o-matic built in optimised mode.");
296 LOG_GENERAL_NC ("libdcp built in debug mode.");
298 LOG_GENERAL_NC ("libdcp built in optimised mode.");
301 #ifdef DCPOMATIC_WINDOWS
303 info.dwOSVersionInfoSize = sizeof (info);
304 GetVersionEx (&info);
305 LOG_GENERAL ("Windows version %1.%2.%3 SP %4", info.dwMajorVersion, info.dwMinorVersion, info.dwBuildNumber, info.szCSDVersion);
308 LOG_GENERAL ("CPU: %1, %2 processors", cpu_info(), boost::thread::hardware_concurrency ());
309 list<pair<string, string> > const m = mount_info ();
310 for (list<pair<string, string> >::const_iterator i = m.begin(); i != m.end(); ++i) {
311 LOG_GENERAL ("Mount: %1 %2", i->first, i->second);
314 if (container() == 0) {
315 throw MissingSettingError (_("container"));
318 if (content().empty()) {
319 throw StringError (_("You must add some content to the DCP before creating it"));
322 if (dcp_content_type() == 0) {
323 throw MissingSettingError (_("content type"));
326 if (name().empty()) {
327 throw MissingSettingError (_("name"));
330 JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (shared_from_this())));
333 /** Start a job to send our DCP to the configured TMS */
335 Film::send_dcp_to_tms ()
337 shared_ptr<Job> j (new SCPDCPJob (shared_from_this()));
338 JobManager::instance()->add (j);
341 /** Count the number of frames that have been encoded for this film.
342 * @return frame count.
345 Film::encoded_frames () const
347 if (container() == 0) {
352 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator (info_dir ()); i != boost::filesystem::directory_iterator(); ++i) {
354 boost::this_thread::interruption_point ();
360 shared_ptr<xmlpp::Document>
361 Film::metadata () const
363 shared_ptr<xmlpp::Document> doc (new xmlpp::Document);
364 xmlpp::Element* root = doc->create_root_node ("Metadata");
366 root->add_child("Version")->add_child_text (raw_convert<string> (current_state_version));
367 root->add_child("Name")->add_child_text (_name);
368 root->add_child("UseISDCFName")->add_child_text (_use_isdcf_name ? "1" : "0");
370 if (_dcp_content_type) {
371 root->add_child("DCPContentType")->add_child_text (_dcp_content_type->isdcf_name ());
375 root->add_child("Container")->add_child_text (_container->id ());
378 root->add_child("Resolution")->add_child_text (resolution_to_string (_resolution));
379 root->add_child("Scaler")->add_child_text (_scaler->id ());
380 root->add_child("J2KBandwidth")->add_child_text (raw_convert<string> (_j2k_bandwidth));
381 _isdcf_metadata.as_xml (root->add_child ("ISDCFMetadata"));
382 root->add_child("VideoFrameRate")->add_child_text (raw_convert<string> (_video_frame_rate));
383 root->add_child("ISDCFDate")->add_child_text (boost::gregorian::to_iso_string (_isdcf_date));
384 root->add_child("AudioChannels")->add_child_text (raw_convert<string> (_audio_channels));
385 root->add_child("ThreeD")->add_child_text (_three_d ? "1" : "0");
386 root->add_child("SequenceVideo")->add_child_text (_sequence_video ? "1" : "0");
387 root->add_child("Interop")->add_child_text (_interop ? "1" : "0");
388 root->add_child("BurnSubtitles")->add_child_text (_burn_subtitles ? "1" : "0");
389 root->add_child("Signed")->add_child_text (_signed ? "1" : "0");
390 root->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
391 root->add_child("Key")->add_child_text (_key.hex ());
392 _playlist->as_xml (root->add_child ("Playlist"));
397 /** Write state to our `metadata' file */
399 Film::write_metadata () const
401 boost::filesystem::create_directories (directory ());
402 shared_ptr<xmlpp::Document> doc = metadata ();
403 doc->write_to_file_formatted (file("metadata.xml").string ());
407 /** Read state from our metadata file.
408 * @return Notes about things that the user should know about, or empty.
411 Film::read_metadata ()
413 if (boost::filesystem::exists (file ("metadata")) && !boost::filesystem::exists (file ("metadata.xml"))) {
414 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!"));
417 cxml::Document f ("Metadata");
418 f.read_file (file ("metadata.xml"));
420 _state_version = f.number_child<int> ("Version");
421 if (_state_version > current_state_version) {
422 throw StringError (_("This film was created with a newer version of DCP-o-matic, and it cannot be loaded into this version. Sorry!"));
425 _name = f.string_child ("Name");
426 if (_state_version >= 9) {
427 _use_isdcf_name = f.bool_child ("UseISDCFName");
428 _isdcf_metadata = ISDCFMetadata (f.node_child ("ISDCFMetadata"));
429 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("ISDCFDate"));
431 _use_isdcf_name = f.bool_child ("UseDCIName");
432 _isdcf_metadata = ISDCFMetadata (f.node_child ("DCIMetadata"));
433 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("DCIDate"));
437 optional<string> c = f.optional_string_child ("DCPContentType");
439 _dcp_content_type = DCPContentType::from_isdcf_name (c.get ());
444 optional<string> c = f.optional_string_child ("Container");
446 _container = Ratio::from_id (c.get ());
450 _resolution = string_to_resolution (f.string_child ("Resolution"));
451 _scaler = Scaler::from_id (f.string_child ("Scaler"));
452 _j2k_bandwidth = f.number_child<int> ("J2KBandwidth");
453 _video_frame_rate = f.number_child<int> ("VideoFrameRate");
454 _signed = f.optional_bool_child("Signed").get_value_or (true);
455 _encrypted = f.bool_child ("Encrypted");
456 _audio_channels = f.number_child<int> ("AudioChannels");
457 _sequence_video = f.bool_child ("SequenceVideo");
458 _three_d = f.bool_child ("ThreeD");
459 _interop = f.bool_child ("Interop");
460 if (_state_version >= 32) {
461 _burn_subtitles = f.bool_child ("BurnSubtitles");
463 _key = dcp::Key (f.string_child ("Key"));
466 /* This method is the only one that can return notes (so far) */
467 _playlist->set_from_xml (shared_from_this(), f.node_child ("Playlist"), _state_version, notes);
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 only works for content which has been scaled to a given ratio,
596 and uses the first bit of content only.
599 /* The standard says we don't do this for trailers, for some strange reason */
600 if (dcp_content_type() && dcp_content_type()->libdcp_kind() != dcp::TRAILER) {
601 ContentList cl = content ();
602 Ratio const * content_ratio = 0;
603 for (ContentList::const_iterator i = cl.begin(); i != cl.end(); ++i) {
604 shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (*i);
605 if (vc && (content_ratio == 0 || vc->scale().ratio() != content_ratio)) {
606 content_ratio = vc->scale().ratio();
610 if (content_ratio && content_ratio != container()) {
611 d << "-" << content_ratio->isdcf_name();
615 if (!dm.audio_language.empty ()) {
616 d << "_" << dm.audio_language;
617 if (!dm.subtitle_language.empty()) {
618 d << "-" << dm.subtitle_language;
624 if (!dm.territory.empty ()) {
625 d << "_" << dm.territory;
626 if (!dm.rating.empty ()) {
627 d << "-" << dm.rating;
631 switch (audio_channels ()) {
654 d << "_" << resolution_to_string (_resolution);
656 if (!dm.studio.empty ()) {
657 d << "_" << dm.studio;
660 if (if_created_now) {
661 d << "_" << boost::gregorian::to_iso_string (boost::gregorian::day_clock::local_day ());
663 d << "_" << boost::gregorian::to_iso_string (_isdcf_date);
666 if (!dm.facility.empty ()) {
667 d << "_" << dm.facility;
680 if (!dm.package_type.empty ()) {
681 d << "_" << dm.package_type;
687 /** @return name to give the DCP */
689 Film::dcp_name (bool if_created_now) const
691 if (use_isdcf_name()) {
692 return isdcf_name (if_created_now);
699 Film::set_directory (boost::filesystem::path d)
706 Film::set_name (string n)
709 signal_changed (NAME);
713 Film::set_use_isdcf_name (bool u)
716 signal_changed (USE_ISDCF_NAME);
720 Film::set_dcp_content_type (DCPContentType const * t)
722 _dcp_content_type = t;
723 signal_changed (DCP_CONTENT_TYPE);
727 Film::set_container (Ratio const * c)
730 signal_changed (CONTAINER);
734 Film::set_resolution (Resolution r)
737 signal_changed (RESOLUTION);
741 Film::set_scaler (Scaler const * s)
744 signal_changed (SCALER);
748 Film::set_j2k_bandwidth (int b)
751 signal_changed (J2K_BANDWIDTH);
755 Film::set_isdcf_metadata (ISDCFMetadata m)
758 signal_changed (ISDCF_METADATA);
762 Film::set_video_frame_rate (int f)
764 _video_frame_rate = f;
765 signal_changed (VIDEO_FRAME_RATE);
769 Film::set_audio_channels (int c)
772 signal_changed (AUDIO_CHANNELS);
776 Film::set_three_d (bool t)
779 signal_changed (THREE_D);
783 Film::set_interop (bool i)
786 signal_changed (INTEROP);
790 Film::set_burn_subtitles (bool b)
793 signal_changed (BURN_SUBTITLES);
797 Film::signal_changed (Property p)
803 set_video_frame_rate (_playlist->best_dcp_frame_rate ());
805 case Film::VIDEO_FRAME_RATE:
806 case Film::SEQUENCE_VIDEO:
807 _playlist->maybe_sequence_video ();
814 ui_signaller->emit (boost::bind (boost::ref (Changed), p));
819 Film::set_isdcf_date_today ()
821 _isdcf_date = boost::gregorian::day_clock::local_day ();
824 boost::filesystem::path
825 Film::info_path (int f, Eyes e) const
827 boost::filesystem::path p;
832 s << setfill('0') << f;
834 if (e == EYES_LEFT) {
836 } else if (e == EYES_RIGHT) {
844 /* info_dir() will already have added any initial bit of the path,
845 so don't call file() on this.
850 boost::filesystem::path
851 Film::j2c_path (int f, Eyes e, bool t) const
853 boost::filesystem::path p;
855 p /= video_identifier ();
859 s << setfill('0') << f;
861 if (e == EYES_LEFT) {
863 } else if (e == EYES_RIGHT) {
877 /** Find all the DCPs in our directory that can be dcp::DCP::read() and return details of their CPLs */
881 vector<CPLSummary> out;
883 boost::filesystem::path const dir = directory ();
884 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator(dir); i != boost::filesystem::directory_iterator(); ++i) {
886 boost::filesystem::is_directory (*i) &&
887 i->path().leaf() != "j2c" && i->path().leaf() != "video" && i->path().leaf() != "info" && i->path().leaf() != "analysis"
895 i->path().leaf().string(),
896 dcp.cpls().front()->id(),
897 dcp.cpls().front()->annotation_text(),
898 dcp.cpls().front()->file()
911 Film::make_player () const
913 return shared_ptr<Player> (new Player (shared_from_this (), _playlist));
917 Film::set_signed (bool s)
920 signal_changed (SIGNED);
924 Film::set_encrypted (bool e)
927 signal_changed (ENCRYPTED);
931 Film::playlist () const
937 Film::content () const
939 return _playlist->content ();
943 Film::examine_content (shared_ptr<Content> c)
945 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c));
946 JobManager::instance()->add (j);
950 Film::examine_and_add_content (shared_ptr<Content> c)
952 if (dynamic_pointer_cast<FFmpegContent> (c)) {
953 run_ffprobe (c->path(0), file ("ffprobe.log"), _log);
956 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c));
957 j->Finished.connect (bind (&Film::maybe_add_content, this, boost::weak_ptr<Job> (j), boost::weak_ptr<Content> (c)));
958 JobManager::instance()->add (j);
962 Film::maybe_add_content (weak_ptr<Job> j, weak_ptr<Content> c)
964 shared_ptr<Job> job = j.lock ();
965 if (!job || !job->finished_ok ()) {
969 shared_ptr<Content> content = c.lock ();
971 add_content (content);
976 Film::add_content (shared_ptr<Content> c)
978 /* Add video content after any existing content */
979 if (dynamic_pointer_cast<VideoContent> (c)) {
980 c->set_position (_playlist->video_end ());
987 Film::remove_content (shared_ptr<Content> c)
989 _playlist->remove (c);
993 Film::move_content_earlier (shared_ptr<Content> c)
995 _playlist->move_earlier (c);
999 Film::move_content_later (shared_ptr<Content> c)
1001 _playlist->move_later (c);
1005 Film::length () const
1007 return _playlist->length ();
1011 Film::best_video_frame_rate () const
1013 return _playlist->best_dcp_frame_rate ();
1017 Film::active_frame_rate_change (DCPTime t) const
1019 return _playlist->active_frame_rate_change (t, video_frame_rate ());
1023 Film::playlist_content_changed (boost::weak_ptr<Content> c, int p)
1025 if (p == VideoContentProperty::VIDEO_FRAME_RATE) {
1026 set_video_frame_rate (_playlist->best_dcp_frame_rate ());
1030 ui_signaller->emit (boost::bind (boost::ref (ContentChanged), c, p));
1035 Film::playlist_changed ()
1037 signal_changed (CONTENT);
1041 Film::audio_frame_rate () const
1048 Film::set_sequence_video (bool s)
1050 _sequence_video = s;
1051 _playlist->set_sequence_video (s);
1052 signal_changed (SEQUENCE_VIDEO);
1055 /** @return Size of the largest possible image in whatever resolution we are using */
1057 Film::full_frame () const
1059 switch (_resolution) {
1061 return dcp::Size (2048, 1080);
1063 return dcp::Size (4096, 2160);
1067 return dcp::Size ();
1070 /** @return Size of the frame */
1072 Film::frame_size () const
1074 return fit_ratio_within (container()->ratio(), full_frame ());
1079 shared_ptr<dcp::Certificate> target,
1080 boost::filesystem::path cpl_file,
1081 dcp::LocalTime from,
1082 dcp::LocalTime until,
1083 dcp::Formulation formulation
1086 shared_ptr<const dcp::CPL> cpl (new dcp::CPL (cpl_file));
1087 shared_ptr<const dcp::Signer> signer = Config::instance()->signer();
1088 if (!signer->valid ()) {
1089 throw InvalidSignerError ();
1092 return dcp::DecryptedKDM (
1093 cpl, key(), from, until, "DCP-o-matic", cpl->content_title_text(), dcp::LocalTime().as_string()
1094 ).encrypt (signer, target, formulation);
1097 list<dcp::EncryptedKDM>
1099 list<shared_ptr<Screen> > screens,
1100 boost::filesystem::path dcp,
1101 dcp::LocalTime from,
1102 dcp::LocalTime until,
1103 dcp::Formulation formulation
1106 list<dcp::EncryptedKDM> kdms;
1108 for (list<shared_ptr<Screen> >::iterator i = screens.begin(); i != screens.end(); ++i) {
1109 kdms.push_back (make_kdm ((*i)->certificate, dcp, from, until, formulation));
1115 /** @return The approximate disk space required to encode a DCP of this film with the
1116 * current settings, in bytes.
1119 Film::required_disk_space () const
1121 return uint64_t (j2k_bandwidth() / 8) * length().seconds();
1124 /** This method checks the disk that the Film is on and tries to decide whether or not
1125 * there will be enough space to make a DCP for it. If so, true is returned; if not,
1126 * false is returned and required and availabe are filled in with the amount of disk space
1127 * required and available respectively (in Gb).
1129 * Note: the decision made by this method isn't, of course, 100% reliable.
1132 Film::should_be_enough_disk_space (double& required, double& available) const
1134 boost::filesystem::space_info s = boost::filesystem::space (internal_video_mxf_dir ());
1135 required = double (required_disk_space ()) / 1073741824.0f;
1136 available = double (s.available) / 1073741824.0f;
1137 return (available - required) > 1;