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.
27 #include <boost/filesystem.hpp>
28 #include <boost/algorithm/string.hpp>
29 #include <boost/lexical_cast.hpp>
30 #include <libxml++/libxml++.h>
31 #include <libcxml/cxml.h>
33 #include <dcp/signer.h>
35 #include <dcp/local_time.h>
36 #include <dcp/raw_convert.h>
40 #include "job_manager.h"
41 #include "transcode_job.h"
42 #include "scp_dcp_job.h"
44 #include "exceptions.h"
45 #include "examine_content_job.h"
49 #include "ui_signaller.h"
52 #include "dcp_content_type.h"
56 #include "safe_stringstream.h"
71 using boost::shared_ptr;
72 using boost::weak_ptr;
73 using boost::dynamic_pointer_cast;
74 using boost::to_upper_copy;
75 using boost::ends_with;
76 using boost::starts_with;
77 using boost::optional;
78 using boost::is_any_of;
81 using dcp::raw_convert;
82 using dcp::raw_convert;
84 #define LOG_GENERAL(...) log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
85 #define LOG_GENERAL_NC(...) log()->log (__VA_ARGS__, Log::TYPE_GENERAL);
88 * AudioMapping XML changed.
90 * Subtitle offset changed to subtitle y offset, and subtitle x offset added.
92 * Use <Scale> tag in <VideoContent> rather than <Ratio>.
96 * Bumped to 32 for 2.0 branch; some times are expressed in Times rather
99 int const Film::current_state_version = 32;
101 /** Construct a Film object in a given directory.
103 * @param dir Film directory.
106 Film::Film (boost::filesystem::path dir, bool log)
107 : _playlist (new Playlist)
108 , _use_isdcf_name (true)
109 , _dcp_content_type (Config::instance()->default_dcp_content_type ())
110 , _container (Config::instance()->default_container ())
111 , _resolution (RESOLUTION_2K)
112 , _scaler (Scaler::from_id ("bicubic"))
115 , _j2k_bandwidth (Config::instance()->default_j2k_bandwidth ())
116 , _isdcf_metadata (Config::instance()->default_isdcf_metadata ())
117 , _video_frame_rate (24)
118 , _audio_channels (6)
120 , _sequence_video (true)
122 , _burn_subtitles (false)
123 , _state_version (current_state_version)
126 set_isdcf_date_today ();
128 _playlist->Changed.connect (bind (&Film::playlist_changed, this));
129 _playlist->ContentChanged.connect (bind (&Film::playlist_content_changed, this, _1, _2));
131 /* Make state.directory a complete path without ..s (where possible)
132 (Code swiped from Adam Bowen on stackoverflow)
135 boost::filesystem::path p (boost::filesystem::system_complete (dir));
136 boost::filesystem::path result;
137 for (boost::filesystem::path::iterator i = p.begin(); i != p.end(); ++i) {
139 if (boost::filesystem::is_symlink (result) || result.filename() == "..") {
142 result = result.parent_path ();
144 } else if (*i != ".") {
149 set_directory (result);
151 _log.reset (new FileLog (file ("log")));
153 _log.reset (new NullLog);
156 _playlist->set_sequence_video (_sequence_video);
160 Film::video_identifier () const
162 assert (container ());
165 s.imbue (std::locale::classic ());
167 s << container()->id()
168 << "_" << resolution_to_string (_resolution)
169 << "_" << _playlist->video_identifier()
170 << "_" << _video_frame_rate
171 << "_" << scaler()->id()
172 << "_" << j2k_bandwidth();
186 if (_burn_subtitles) {
197 /** @return The path to the directory to write video frame info files to */
198 boost::filesystem::path
199 Film::info_dir () const
201 boost::filesystem::path p;
203 p /= video_identifier ();
207 boost::filesystem::path
208 Film::internal_video_mxf_dir () const
210 return dir ("video");
213 boost::filesystem::path
214 Film::internal_video_mxf_filename () const
216 return video_identifier() + ".mxf";
219 boost::filesystem::path
220 Film::video_mxf_filename () const
222 return filename_safe_name() + "_video.mxf";
225 boost::filesystem::path
226 Film::audio_mxf_filename () const
228 return filename_safe_name() + "_audio.mxf";
231 boost::filesystem::path
232 Film::subtitle_xml_filename () const
234 return filename_safe_name() + "_subtitle.xml";
238 Film::filename_safe_name () const
240 string const n = name ();
242 for (size_t i = 0; i < n.length(); ++i) {
243 if (isalnum (n[i])) {
253 boost::filesystem::path
254 Film::audio_analysis_dir () const
256 return dir ("analysis");
259 /** Add suitable Jobs to the JobManager to create a DCP for this Film */
263 set_isdcf_date_today ();
265 if (dcp_name().find ("/") != string::npos) {
266 throw BadSettingError (_("name"), _("cannot contain slashes"));
269 /* It seems to make sense to auto-save metadata here, since the make DCP may last
270 a long time, and crashes/power failures are moderately likely.
274 LOG_GENERAL ("DCP-o-matic %1 git %2 using %3", dcpomatic_version, dcpomatic_git_commit, dependency_version_summary());
278 gethostname (buffer, sizeof (buffer));
279 LOG_GENERAL ("Starting to make DCP on %1", buffer);
282 ContentList cl = content ();
283 for (ContentList::const_iterator i = cl.begin(); i != cl.end(); ++i) {
284 LOG_GENERAL ("Content: %1", (*i)->technical_summary());
286 LOG_GENERAL ("DCP video rate %1 fps", video_frame_rate());
287 LOG_GENERAL ("%1 threads", Config::instance()->num_local_encoding_threads());
288 LOG_GENERAL ("J2K bandwidth %1", j2k_bandwidth());
289 #ifdef DCPOMATIC_DEBUG
290 LOG_GENERAL_NC ("DCP-o-matic built in debug mode.");
292 LOG_GENERAL_NC ("DCP-o-matic built in optimised mode.");
295 LOG_GENERAL_NC ("libdcp built in debug mode.");
297 LOG_GENERAL_NC ("libdcp built in optimised mode.");
300 #ifdef DCPOMATIC_WINDOWS
302 info.dwOSVersionInfoSize = sizeof (info);
303 GetVersionEx (&info);
304 LOG_GENERAL ("Windows version %1.%2.%3 SP %4", info.dwMajorVersion, info.dwMinorVersion, info.dwBuildNumber, info.szCSDVersion);
307 LOG_GENERAL ("CPU: %1, %2 processors", cpu_info(), boost::thread::hardware_concurrency ());
308 list<pair<string, string> > const m = mount_info ();
309 for (list<pair<string, string> >::const_iterator i = m.begin(); i != m.end(); ++i) {
310 LOG_GENERAL ("Mount: %1 %2", i->first, i->second);
313 if (container() == 0) {
314 throw MissingSettingError (_("container"));
317 if (content().empty()) {
318 throw StringError (_("You must add some content to the DCP before creating it"));
321 if (dcp_content_type() == 0) {
322 throw MissingSettingError (_("content type"));
325 if (name().empty()) {
326 throw MissingSettingError (_("name"));
329 JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (shared_from_this())));
332 /** Start a job to send our DCP to the configured TMS */
334 Film::send_dcp_to_tms ()
336 shared_ptr<Job> j (new SCPDCPJob (shared_from_this()));
337 JobManager::instance()->add (j);
340 /** Count the number of frames that have been encoded for this film.
341 * @return frame count.
344 Film::encoded_frames () const
346 if (container() == 0) {
351 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator (info_dir ()); i != boost::filesystem::directory_iterator(); ++i) {
353 boost::this_thread::interruption_point ();
359 shared_ptr<xmlpp::Document>
360 Film::metadata () const
362 shared_ptr<xmlpp::Document> doc (new xmlpp::Document);
363 xmlpp::Element* root = doc->create_root_node ("Metadata");
365 root->add_child("Version")->add_child_text (raw_convert<string> (current_state_version));
366 root->add_child("Name")->add_child_text (_name);
367 root->add_child("UseISDCFName")->add_child_text (_use_isdcf_name ? "1" : "0");
369 if (_dcp_content_type) {
370 root->add_child("DCPContentType")->add_child_text (_dcp_content_type->isdcf_name ());
374 root->add_child("Container")->add_child_text (_container->id ());
377 root->add_child("Resolution")->add_child_text (resolution_to_string (_resolution));
378 root->add_child("Scaler")->add_child_text (_scaler->id ());
379 root->add_child("J2KBandwidth")->add_child_text (raw_convert<string> (_j2k_bandwidth));
380 _isdcf_metadata.as_xml (root->add_child ("ISDCFMetadata"));
381 root->add_child("VideoFrameRate")->add_child_text (raw_convert<string> (_video_frame_rate));
382 root->add_child("ISDCFDate")->add_child_text (boost::gregorian::to_iso_string (_isdcf_date));
383 root->add_child("AudioChannels")->add_child_text (raw_convert<string> (_audio_channels));
384 root->add_child("ThreeD")->add_child_text (_three_d ? "1" : "0");
385 root->add_child("SequenceVideo")->add_child_text (_sequence_video ? "1" : "0");
386 root->add_child("Interop")->add_child_text (_interop ? "1" : "0");
387 root->add_child("BurnSubtitles")->add_child_text (_burn_subtitles ? "1" : "0");
388 root->add_child("Signed")->add_child_text (_signed ? "1" : "0");
389 root->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
390 root->add_child("Key")->add_child_text (_key.hex ());
391 _playlist->as_xml (root->add_child ("Playlist"));
396 /** Write state to our `metadata' file */
398 Film::write_metadata () const
400 boost::filesystem::create_directories (directory ());
401 shared_ptr<xmlpp::Document> doc = metadata ();
402 doc->write_to_file_formatted (file("metadata.xml").string ());
406 /** Read state from our metadata file.
407 * @return Notes about things that the user should know about, or empty.
410 Film::read_metadata ()
412 if (boost::filesystem::exists (file ("metadata")) && !boost::filesystem::exists (file ("metadata.xml"))) {
413 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!"));
416 cxml::Document f ("Metadata");
417 f.read_file (file ("metadata.xml"));
419 _state_version = f.number_child<int> ("Version");
420 if (_state_version > current_state_version) {
421 throw StringError (_("This film was created with a newer version of DCP-o-matic, and it cannot be loaded into this version. Sorry!"));
424 _name = f.string_child ("Name");
425 if (_state_version >= 9) {
426 _use_isdcf_name = f.bool_child ("UseISDCFName");
427 _isdcf_metadata = ISDCFMetadata (f.node_child ("ISDCFMetadata"));
428 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("ISDCFDate"));
430 _use_isdcf_name = f.bool_child ("UseDCIName");
431 _isdcf_metadata = ISDCFMetadata (f.node_child ("DCIMetadata"));
432 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("DCIDate"));
436 optional<string> c = f.optional_string_child ("DCPContentType");
438 _dcp_content_type = DCPContentType::from_isdcf_name (c.get ());
443 optional<string> c = f.optional_string_child ("Container");
445 _container = Ratio::from_id (c.get ());
449 _resolution = string_to_resolution (f.string_child ("Resolution"));
450 _scaler = Scaler::from_id (f.string_child ("Scaler"));
451 _j2k_bandwidth = f.number_child<int> ("J2KBandwidth");
452 _video_frame_rate = f.number_child<int> ("VideoFrameRate");
453 _signed = f.optional_bool_child("Signed").get_value_or (true);
454 _encrypted = f.bool_child ("Encrypted");
455 _audio_channels = f.number_child<int> ("AudioChannels");
456 _sequence_video = f.bool_child ("SequenceVideo");
457 _three_d = f.bool_child ("ThreeD");
458 _interop = f.bool_child ("Interop");
459 if (_state_version >= 32) {
460 _burn_subtitles = f.bool_child ("BurnSubtitles");
462 _key = dcp::Key (f.string_child ("Key"));
465 /* This method is the only one that can return notes (so far) */
466 _playlist->set_from_xml (shared_from_this(), f.node_child ("Playlist"), _state_version, notes);
472 /** Given a directory name, return its full path within the Film's directory.
473 * The directory (and its parents) will be created if they do not exist.
475 boost::filesystem::path
476 Film::dir (boost::filesystem::path d) const
478 boost::filesystem::path p;
482 boost::filesystem::create_directories (p);
487 /** Given a file or directory name, return its full path within the Film's directory.
488 * Any required parent directories will be created.
490 boost::filesystem::path
491 Film::file (boost::filesystem::path f) const
493 boost::filesystem::path p;
497 boost::filesystem::create_directories (p.parent_path ());
502 /** @return a ISDCF-compliant name for a DCP of this film */
504 Film::isdcf_name (bool if_created_now) const
508 string raw_name = name ();
510 /* Split the raw name up into words */
511 vector<string> words;
512 split (words, raw_name, is_any_of (" "));
516 /* Add each word to fixed_name */
517 for (vector<string>::const_iterator i = words.begin(); i != words.end(); ++i) {
520 /* First letter is always capitalised */
521 w[0] = toupper (w[0]);
523 /* Count caps in w */
525 for (size_t i = 0; i < w.size(); ++i) {
526 if (isupper (w[i])) {
531 /* If w is all caps make the rest of it lower case, otherwise
534 if (caps == w.size ()) {
535 for (size_t i = 1; i < w.size(); ++i) {
536 w[i] = tolower (w[i]);
540 for (size_t i = 0; i < w.size(); ++i) {
545 if (fixed_name.length() > 14) {
546 fixed_name = fixed_name.substr (0, 14);
551 if (dcp_content_type()) {
552 d << "_" << dcp_content_type()->isdcf_name();
553 d << "-" << isdcf_metadata().content_version;
556 ISDCFMetadata const dm = isdcf_metadata ();
558 if (dm.temp_version) {
562 if (dm.pre_release) {
570 if (!dm.chain.empty ()) {
571 d << "-" << dm.chain;
578 if (dm.two_d_version_of_three_d) {
582 if (!dm.mastered_luminance.empty ()) {
583 d << "-" << dm.mastered_luminance;
586 if (video_frame_rate() != 24) {
587 d << "-" << video_frame_rate();
591 d << "_" << container()->isdcf_name();
594 /* XXX: this only works for content which has been scaled to a given ratio,
595 and uses the first bit of content only.
598 /* The standard says we don't do this for trailers, for some strange reason */
599 if (dcp_content_type() && dcp_content_type()->libdcp_kind() != dcp::TRAILER) {
600 ContentList cl = content ();
601 Ratio const * content_ratio = 0;
602 for (ContentList::const_iterator i = cl.begin(); i != cl.end(); ++i) {
603 shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (*i);
604 if (vc && (content_ratio == 0 || vc->scale().ratio() != content_ratio)) {
605 content_ratio = vc->scale().ratio();
609 if (content_ratio && content_ratio != container()) {
610 d << "-" << content_ratio->isdcf_name();
614 if (!dm.audio_language.empty ()) {
615 d << "_" << dm.audio_language;
616 if (!dm.subtitle_language.empty()) {
617 d << "-" << dm.subtitle_language;
623 if (!dm.territory.empty ()) {
624 d << "_" << dm.territory;
625 if (!dm.rating.empty ()) {
626 d << "-" << dm.rating;
630 switch (audio_channels ()) {
653 d << "_" << resolution_to_string (_resolution);
655 if (!dm.studio.empty ()) {
656 d << "_" << dm.studio;
659 if (if_created_now) {
660 d << "_" << boost::gregorian::to_iso_string (boost::gregorian::day_clock::local_day ());
662 d << "_" << boost::gregorian::to_iso_string (_isdcf_date);
665 if (!dm.facility.empty ()) {
666 d << "_" << dm.facility;
679 if (!dm.package_type.empty ()) {
680 d << "_" << dm.package_type;
686 /** @return name to give the DCP */
688 Film::dcp_name (bool if_created_now) const
690 if (use_isdcf_name()) {
691 return isdcf_name (if_created_now);
698 Film::set_directory (boost::filesystem::path d)
705 Film::set_name (string n)
708 signal_changed (NAME);
712 Film::set_use_isdcf_name (bool u)
715 signal_changed (USE_ISDCF_NAME);
719 Film::set_dcp_content_type (DCPContentType const * t)
721 _dcp_content_type = t;
722 signal_changed (DCP_CONTENT_TYPE);
726 Film::set_container (Ratio const * c)
729 signal_changed (CONTAINER);
733 Film::set_resolution (Resolution r)
736 signal_changed (RESOLUTION);
740 Film::set_scaler (Scaler const * s)
743 signal_changed (SCALER);
747 Film::set_j2k_bandwidth (int b)
750 signal_changed (J2K_BANDWIDTH);
754 Film::set_isdcf_metadata (ISDCFMetadata m)
757 signal_changed (ISDCF_METADATA);
761 Film::set_video_frame_rate (int f)
763 _video_frame_rate = f;
764 signal_changed (VIDEO_FRAME_RATE);
768 Film::set_audio_channels (int c)
771 signal_changed (AUDIO_CHANNELS);
775 Film::set_three_d (bool t)
778 signal_changed (THREE_D);
782 Film::set_interop (bool i)
785 signal_changed (INTEROP);
789 Film::set_burn_subtitles (bool b)
792 signal_changed (BURN_SUBTITLES);
796 Film::signal_changed (Property p)
802 set_video_frame_rate (_playlist->best_dcp_frame_rate ());
804 case Film::VIDEO_FRAME_RATE:
805 case Film::SEQUENCE_VIDEO:
806 _playlist->maybe_sequence_video ();
813 ui_signaller->emit (boost::bind (boost::ref (Changed), p));
818 Film::set_isdcf_date_today ()
820 _isdcf_date = boost::gregorian::day_clock::local_day ();
823 boost::filesystem::path
824 Film::info_path (int f, Eyes e) const
826 boost::filesystem::path p;
831 s << setfill('0') << f;
833 if (e == EYES_LEFT) {
835 } else if (e == EYES_RIGHT) {
843 /* info_dir() will already have added any initial bit of the path,
844 so don't call file() on this.
849 boost::filesystem::path
850 Film::j2c_path (int f, Eyes e, bool t) const
852 boost::filesystem::path p;
854 p /= video_identifier ();
858 s << setfill('0') << f;
860 if (e == EYES_LEFT) {
862 } else if (e == EYES_RIGHT) {
876 /** Find all the DCPs in our directory that can be dcp::DCP::read() and return details of their CPLs */
880 vector<CPLSummary> out;
882 boost::filesystem::path const dir = directory ();
883 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator(dir); i != boost::filesystem::directory_iterator(); ++i) {
885 boost::filesystem::is_directory (*i) &&
886 i->path().leaf() != "j2c" && i->path().leaf() != "video" && i->path().leaf() != "info" && i->path().leaf() != "analysis"
894 i->path().leaf().string(),
895 dcp.cpls().front()->id(),
896 dcp.cpls().front()->annotation_text(),
897 dcp.cpls().front()->file()
910 Film::make_player () const
912 return shared_ptr<Player> (new Player (shared_from_this (), _playlist));
916 Film::set_signed (bool s)
919 signal_changed (SIGNED);
923 Film::set_encrypted (bool e)
926 signal_changed (ENCRYPTED);
930 Film::playlist () const
936 Film::content () const
938 return _playlist->content ();
942 Film::examine_content (shared_ptr<Content> c)
944 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c));
945 JobManager::instance()->add (j);
949 Film::examine_and_add_content (shared_ptr<Content> c)
951 if (dynamic_pointer_cast<FFmpegContent> (c)) {
952 run_ffprobe (c->path(0), file ("ffprobe.log"), _log);
955 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c));
956 j->Finished.connect (bind (&Film::maybe_add_content, this, boost::weak_ptr<Job> (j), boost::weak_ptr<Content> (c)));
957 JobManager::instance()->add (j);
961 Film::maybe_add_content (weak_ptr<Job> j, weak_ptr<Content> c)
963 shared_ptr<Job> job = j.lock ();
964 if (!job || !job->finished_ok ()) {
968 shared_ptr<Content> content = c.lock ();
970 add_content (content);
975 Film::add_content (shared_ptr<Content> c)
977 /* Add video content after any existing content */
978 if (dynamic_pointer_cast<VideoContent> (c)) {
979 c->set_position (_playlist->video_end ());
986 Film::remove_content (shared_ptr<Content> c)
988 _playlist->remove (c);
992 Film::move_content_earlier (shared_ptr<Content> c)
994 _playlist->move_earlier (c);
998 Film::move_content_later (shared_ptr<Content> c)
1000 _playlist->move_later (c);
1004 Film::length () const
1006 return _playlist->length ();
1010 Film::best_video_frame_rate () const
1012 return _playlist->best_dcp_frame_rate ();
1016 Film::active_frame_rate_change (DCPTime t) const
1018 return _playlist->active_frame_rate_change (t, video_frame_rate ());
1022 Film::playlist_content_changed (boost::weak_ptr<Content> c, int p)
1024 if (p == VideoContentProperty::VIDEO_FRAME_RATE) {
1025 set_video_frame_rate (_playlist->best_dcp_frame_rate ());
1029 ui_signaller->emit (boost::bind (boost::ref (ContentChanged), c, p));
1034 Film::playlist_changed ()
1036 signal_changed (CONTENT);
1040 Film::audio_frame_rate () const
1047 Film::set_sequence_video (bool s)
1049 _sequence_video = s;
1050 _playlist->set_sequence_video (s);
1051 signal_changed (SEQUENCE_VIDEO);
1054 /** @return Size of the largest possible image in whatever resolution we are using */
1056 Film::full_frame () const
1058 switch (_resolution) {
1060 return dcp::Size (2048, 1080);
1062 return dcp::Size (4096, 2160);
1066 return dcp::Size ();
1069 /** @return Size of the frame */
1071 Film::frame_size () const
1073 return fit_ratio_within (container()->ratio(), full_frame (), 1);
1078 dcp::Certificate target,
1079 boost::filesystem::path cpl_file,
1080 dcp::LocalTime from,
1081 dcp::LocalTime until,
1082 dcp::Formulation formulation
1085 shared_ptr<const dcp::CPL> cpl (new dcp::CPL (cpl_file));
1086 shared_ptr<const dcp::Signer> signer = Config::instance()->signer();
1087 if (!signer->valid ()) {
1088 throw InvalidSignerError ();
1091 return dcp::DecryptedKDM (
1092 cpl, key(), from, until, "DCP-o-matic", cpl->content_title_text(), dcp::LocalTime().as_string()
1093 ).encrypt (signer, target, formulation);
1096 list<dcp::EncryptedKDM>
1098 list<shared_ptr<Screen> > screens,
1099 boost::filesystem::path dcp,
1100 dcp::LocalTime from,
1101 dcp::LocalTime until,
1102 dcp::Formulation formulation
1105 list<dcp::EncryptedKDM> kdms;
1107 for (list<shared_ptr<Screen> >::iterator i = screens.begin(); i != screens.end(); ++i) {
1108 if ((*i)->certificate) {
1109 kdms.push_back (make_kdm ((*i)->certificate.get(), dcp, from, until, formulation));
1116 /** @return The approximate disk space required to encode a DCP of this film with the
1117 * current settings, in bytes.
1120 Film::required_disk_space () const
1122 return uint64_t (j2k_bandwidth() / 8) * length().seconds();
1125 /** This method checks the disk that the Film is on and tries to decide whether or not
1126 * there will be enough space to make a DCP for it. If so, true is returned; if not,
1127 * false is returned and required and availabe are filled in with the amount of disk space
1128 * required and available respectively (in Gb).
1130 * Note: the decision made by this method isn't, of course, 100% reliable.
1133 Film::should_be_enough_disk_space (double& required, double& available) const
1135 boost::filesystem::space_info s = boost::filesystem::space (internal_video_mxf_dir ());
1136 required = double (required_disk_space ()) / 1073741824.0f;
1137 available = double (s.available) / 1073741824.0f;
1138 return (available - required) > 1;