2 Copyright (C) 2012-2015 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.
21 * @brief A representation of some audio and video content, and details of
22 * how they should be presented in a DCP.
28 #include "job_manager.h"
29 #include "transcode_job.h"
30 #include "upload_job.h"
33 #include "exceptions.h"
34 #include "examine_content_job.h"
37 #include "dcp_content_type.h"
40 #include "safe_stringstream.h"
41 #include "environment_info.h"
42 #include "raw_convert.h"
43 #include "audio_processor.h"
44 #include "md5_digester.h"
45 #include "compose.hpp"
47 #include "audio_content.h"
48 #include "video_content.h"
49 #include "subtitle_content.h"
50 #include "ffmpeg_content.h"
51 #include "dcp_content.h"
52 #include "screen_kdm.h"
53 #include <libcxml/cxml.h>
55 #include <dcp/certificate_chain.h>
57 #include <dcp/local_time.h>
58 #include <dcp/decrypted_kdm.h>
59 #include <libxml++/libxml++.h>
60 #include <boost/filesystem.hpp>
61 #include <boost/algorithm/string.hpp>
62 #include <boost/foreach.hpp>
83 using std::runtime_error;
84 using boost::shared_ptr;
85 using boost::weak_ptr;
86 using boost::dynamic_pointer_cast;
87 using boost::optional;
88 using boost::is_any_of;
90 #define LOG_GENERAL(...) log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_GENERAL);
91 #define LOG_GENERAL_NC(...) log()->log (__VA_ARGS__, LogEntry::TYPE_GENERAL);
94 * AudioMapping XML changed.
96 * Subtitle offset changed to subtitle y offset, and subtitle x offset added.
98 * Use <Scale> tag in <VideoContent> rather than <Ratio>.
102 * Subtitle X and Y scale.
104 * Bumped to 32 for 2.0 branch; some times are expressed in Times rather
107 int const Film::current_state_version = 32;
109 /** Construct a Film object in a given directory.
111 * @param dir Film directory.
114 Film::Film (boost::filesystem::path dir, bool log)
115 : _playlist (new Playlist)
116 , _use_isdcf_name (true)
117 , _dcp_content_type (Config::instance()->default_dcp_content_type ())
118 , _container (Config::instance()->default_container ())
119 , _resolution (RESOLUTION_2K)
122 , _j2k_bandwidth (Config::instance()->default_j2k_bandwidth ())
123 , _isdcf_metadata (Config::instance()->default_isdcf_metadata ())
124 , _video_frame_rate (24)
125 , _audio_channels (6)
127 , _sequence_video (true)
128 , _interop (Config::instance()->default_interop ())
129 , _audio_processor (0)
130 , _reel_type (REELTYPE_SINGLE)
131 , _reel_length (2000000000)
132 , _state_version (current_state_version)
135 set_isdcf_date_today ();
137 _playlist_changed_connection = _playlist->Changed.connect (bind (&Film::playlist_changed, this));
138 _playlist_order_changed_connection = _playlist->OrderChanged.connect (bind (&Film::playlist_order_changed, this));
139 _playlist_content_changed_connection = _playlist->ContentChanged.connect (bind (&Film::playlist_content_changed, this, _1, _2, _3));
141 /* Make state.directory a complete path without ..s (where possible)
142 (Code swiped from Adam Bowen on stackoverflow)
143 XXX: couldn't/shouldn't this just be boost::filesystem::canonical?
146 boost::filesystem::path p (boost::filesystem::system_complete (dir));
147 boost::filesystem::path result;
148 for (boost::filesystem::path::iterator i = p.begin(); i != p.end(); ++i) {
150 if (boost::filesystem::is_symlink (result) || result.filename() == "..") {
153 result = result.parent_path ();
155 } else if (*i != ".") {
160 set_directory (result.make_preferred ());
162 _log.reset (new FileLog (file ("log")));
164 _log.reset (new NullLog);
167 _playlist->set_sequence_video (_sequence_video);
172 BOOST_FOREACH (boost::signals2::connection& i, _job_connections) {
176 BOOST_FOREACH (boost::signals2::connection& i, _audio_analysis_connections) {
182 Film::video_identifier () const
184 DCPOMATIC_ASSERT (container ());
187 s.imbue (std::locale::classic ());
189 s << container()->id()
190 << "_" << resolution_to_string (_resolution)
191 << "_" << _playlist->video_identifier()
192 << "_" << _video_frame_rate
193 << "_" << j2k_bandwidth();
214 /** @return The file to write video frame info to */
215 boost::filesystem::path
216 Film::info_file (DCPTimePeriod period) const
218 boost::filesystem::path p;
220 p /= video_identifier () + "_" + raw_convert<string> (period.from.get()) + "_" + raw_convert<string> (period.to.get());
224 boost::filesystem::path
225 Film::internal_video_asset_dir () const
227 return dir ("video");
230 boost::filesystem::path
231 Film::internal_video_asset_filename (DCPTimePeriod p) const
233 return video_identifier() + "_" + raw_convert<string> (p.from.get()) + "_" + raw_convert<string> (p.to.get()) + ".mxf";
236 boost::filesystem::path
237 Film::audio_analysis_path (shared_ptr<const Playlist> playlist) const
239 boost::filesystem::path p = dir ("analysis");
241 MD5Digester digester;
242 BOOST_FOREACH (shared_ptr<Content> i, playlist->content ()) {
243 shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (i);
248 digester.add (ac->digest ());
249 digester.add (ac->audio_mapping().digest ());
250 if (playlist->content().size() != 1) {
251 /* Analyses should be considered equal regardless of gain
252 if they were made from just one piece of content. This
253 is because we can fake any gain change in a single-content
254 analysis at the plotting stage rather than having to
257 digester.add (ac->audio_gain ());
261 if (audio_processor ()) {
262 digester.add (audio_processor()->id ());
265 p /= digester.get ();
269 /** Add suitable Jobs to the JobManager to create a DCP for this Film */
273 if (dcp_name().find ("/") != string::npos) {
274 throw BadSettingError (_("name"), _("cannot contain slashes"));
277 set_isdcf_date_today ();
279 BOOST_FOREACH (string i, environment_info ()) {
283 BOOST_FOREACH (shared_ptr<const Content> i, content ()) {
284 LOG_GENERAL ("Content: %1", i->technical_summary());
286 LOG_GENERAL ("DCP video rate %1 fps", video_frame_rate());
287 if (Config::instance()->only_servers_encode ()) {
288 LOG_GENERAL_NC ("0 threads: ONLY SERVERS SET TO ENCODE");
290 LOG_GENERAL ("%1 threads", Config::instance()->num_local_encoding_threads());
292 LOG_GENERAL ("J2K bandwidth %1", j2k_bandwidth());
294 if (container() == 0) {
295 throw MissingSettingError (_("container"));
298 if (content().empty()) {
299 throw runtime_error (_("You must add some content to the DCP before creating it"));
302 if (dcp_content_type() == 0) {
303 throw MissingSettingError (_("content type"));
306 if (name().empty()) {
307 throw MissingSettingError (_("name"));
310 JobManager::instance()->add (shared_ptr<Job> (new TranscodeJob (shared_from_this())));
313 /** Start a job to send our DCP to the configured TMS */
315 Film::send_dcp_to_tms ()
317 shared_ptr<Job> j (new UploadJob (shared_from_this()));
318 JobManager::instance()->add (j);
321 shared_ptr<xmlpp::Document>
322 Film::metadata () const
324 shared_ptr<xmlpp::Document> doc (new xmlpp::Document);
325 xmlpp::Element* root = doc->create_root_node ("Metadata");
327 root->add_child("Version")->add_child_text (raw_convert<string> (current_state_version));
328 root->add_child("Name")->add_child_text (_name);
329 root->add_child("UseISDCFName")->add_child_text (_use_isdcf_name ? "1" : "0");
331 if (_dcp_content_type) {
332 root->add_child("DCPContentType")->add_child_text (_dcp_content_type->isdcf_name ());
336 root->add_child("Container")->add_child_text (_container->id ());
339 root->add_child("Resolution")->add_child_text (resolution_to_string (_resolution));
340 root->add_child("J2KBandwidth")->add_child_text (raw_convert<string> (_j2k_bandwidth));
341 _isdcf_metadata.as_xml (root->add_child ("ISDCFMetadata"));
342 root->add_child("VideoFrameRate")->add_child_text (raw_convert<string> (_video_frame_rate));
343 root->add_child("ISDCFDate")->add_child_text (boost::gregorian::to_iso_string (_isdcf_date));
344 root->add_child("AudioChannels")->add_child_text (raw_convert<string> (_audio_channels));
345 root->add_child("ThreeD")->add_child_text (_three_d ? "1" : "0");
346 root->add_child("SequenceVideo")->add_child_text (_sequence_video ? "1" : "0");
347 root->add_child("Interop")->add_child_text (_interop ? "1" : "0");
348 root->add_child("Signed")->add_child_text (_signed ? "1" : "0");
349 root->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
350 root->add_child("Key")->add_child_text (_key.hex ());
351 if (_audio_processor) {
352 root->add_child("AudioProcessor")->add_child_text (_audio_processor->id ());
354 root->add_child("ReelType")->add_child_text (raw_convert<string> (_reel_type));
355 root->add_child("ReelLength")->add_child_text (raw_convert<string> (_reel_length));
356 _playlist->as_xml (root->add_child ("Playlist"));
361 /** Write state to our `metadata' file */
363 Film::write_metadata () const
365 boost::filesystem::create_directories (directory ());
366 shared_ptr<xmlpp::Document> doc = metadata ();
367 doc->write_to_file_formatted (file("metadata.xml").string ());
371 /** Read state from our metadata file.
372 * @return Notes about things that the user should know about, or empty.
375 Film::read_metadata ()
377 if (boost::filesystem::exists (file ("metadata")) && !boost::filesystem::exists (file ("metadata.xml"))) {
378 throw runtime_error (_("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!"));
381 cxml::Document f ("Metadata");
382 f.read_file (file ("metadata.xml"));
384 _state_version = f.number_child<int> ("Version");
385 if (_state_version > current_state_version) {
386 throw runtime_error (_("This film was created with a newer version of DCP-o-matic, and it cannot be loaded into this version. Sorry!"));
389 _name = f.string_child ("Name");
390 if (_state_version >= 9) {
391 _use_isdcf_name = f.bool_child ("UseISDCFName");
392 _isdcf_metadata = ISDCFMetadata (f.node_child ("ISDCFMetadata"));
393 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("ISDCFDate"));
395 _use_isdcf_name = f.bool_child ("UseDCIName");
396 _isdcf_metadata = ISDCFMetadata (f.node_child ("DCIMetadata"));
397 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("DCIDate"));
401 optional<string> c = f.optional_string_child ("DCPContentType");
403 _dcp_content_type = DCPContentType::from_isdcf_name (c.get ());
408 optional<string> c = f.optional_string_child ("Container");
410 _container = Ratio::from_id (c.get ());
414 _resolution = string_to_resolution (f.string_child ("Resolution"));
415 _j2k_bandwidth = f.number_child<int> ("J2KBandwidth");
416 _video_frame_rate = f.number_child<int> ("VideoFrameRate");
417 _signed = f.optional_bool_child("Signed").get_value_or (true);
418 _encrypted = f.bool_child ("Encrypted");
419 _audio_channels = f.number_child<int> ("AudioChannels");
420 /* We used to allow odd numbers (and zero) channels, but it's just not worth
423 if (_audio_channels == 0) {
425 } else if ((_audio_channels % 2) == 1) {
428 _sequence_video = f.bool_child ("SequenceVideo");
429 _three_d = f.bool_child ("ThreeD");
430 _interop = f.bool_child ("Interop");
431 _key = dcp::Key (f.string_child ("Key"));
433 if (f.optional_string_child ("AudioProcessor")) {
434 _audio_processor = AudioProcessor::from_id (f.string_child ("AudioProcessor"));
436 _audio_processor = 0;
439 _reel_type = static_cast<ReelType> (f.optional_number_child<int>("ReelType").get_value_or (static_cast<int>(REELTYPE_SINGLE)));
440 _reel_length = f.optional_number_child<int64_t>("ReelLength").get_value_or (2000000000);
443 /* This method is the only one that can return notes (so far) */
444 _playlist->set_from_xml (shared_from_this(), f.node_child ("Playlist"), _state_version, notes);
446 /* Write backtraces to this film's directory, until another film is loaded */
447 set_backtrace_file (file ("backtrace.txt"));
453 /** Given a directory name, return its full path within the Film's directory.
454 * The directory (and its parents) will be created if they do not exist.
456 boost::filesystem::path
457 Film::dir (boost::filesystem::path d) const
459 boost::filesystem::path p;
463 boost::filesystem::create_directories (p);
468 /** Given a file or directory name, return its full path within the Film's directory.
469 * Any required parent directories will be created.
471 boost::filesystem::path
472 Film::file (boost::filesystem::path f) const
474 boost::filesystem::path p;
478 boost::filesystem::create_directories (p.parent_path ());
483 /** @return a ISDCF-compliant name for a DCP of this film */
485 Film::isdcf_name (bool if_created_now) const
489 string raw_name = name ();
491 /* Split the raw name up into words */
492 vector<string> words;
493 split (words, raw_name, is_any_of (" _-"));
497 /* Add each word to fixed_name */
498 for (vector<string>::const_iterator i = words.begin(); i != words.end(); ++i) {
501 /* First letter is always capitalised */
502 w[0] = toupper (w[0]);
504 /* Count caps in w */
506 for (size_t i = 0; i < w.size(); ++i) {
507 if (isupper (w[i])) {
512 /* If w is all caps make the rest of it lower case, otherwise
515 if (caps == w.size ()) {
516 for (size_t i = 1; i < w.size(); ++i) {
517 w[i] = tolower (w[i]);
521 for (size_t i = 0; i < w.size(); ++i) {
526 if (fixed_name.length() > 14) {
527 fixed_name = fixed_name.substr (0, 14);
532 if (dcp_content_type()) {
533 d << "_" << dcp_content_type()->isdcf_name();
534 d << "-" << isdcf_metadata().content_version;
537 ISDCFMetadata const dm = isdcf_metadata ();
539 if (dm.temp_version) {
543 if (dm.pre_release) {
551 if (!dm.chain.empty ()) {
552 d << "-" << dm.chain;
559 if (dm.two_d_version_of_three_d) {
563 if (!dm.mastered_luminance.empty ()) {
564 d << "-" << dm.mastered_luminance;
567 if (video_frame_rate() != 24) {
568 d << "-" << video_frame_rate();
572 d << "_" << container()->isdcf_name();
575 /* XXX: this uses the first bit of content only */
577 /* The standard says we don't do this for trailers, for some strange reason */
578 if (dcp_content_type() && dcp_content_type()->libdcp_kind() != dcp::TRAILER) {
579 Ratio const * content_ratio = 0;
580 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
581 shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (i);
583 /* Here's the first piece of video content */
584 if (vc->scale().ratio ()) {
585 content_ratio = vc->scale().ratio ();
587 content_ratio = Ratio::from_ratio (vc->video_size().ratio ());
593 if (content_ratio && content_ratio != container()) {
594 d << "-" << content_ratio->isdcf_name();
598 if (!dm.audio_language.empty ()) {
599 d << "_" << dm.audio_language;
600 if (!dm.subtitle_language.empty()) {
602 bool burnt_in = false;
603 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
604 shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (i);
609 if (sc->use_subtitles() && sc->burn_subtitles()) {
614 string language = dm.subtitle_language;
616 transform (language.begin(), language.end(), language.begin(), ::tolower);
618 transform (language.begin(), language.end(), language.begin(), ::toupper);
621 d << "-" << language;
627 if (!dm.territory.empty ()) {
628 d << "_" << dm.territory;
629 if (dm.rating.empty ()) {
632 d << "-" << dm.rating;
636 /* Find all mapped channels */
641 if (audio_processor ()) {
642 /* Processors are mapped 1:1 to DCP outputs so we can guess the number of LFE/
643 non-LFE from the channel counts.
645 non_lfe = audio_processor()->out_channels ();
652 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
653 shared_ptr<const AudioContent> ac = dynamic_pointer_cast<const AudioContent> (i);
655 list<int> c = ac->audio_mapping().mapped_output_channels ();
656 copy (c.begin(), c.end(), back_inserter (mapped));
665 for (list<int>::const_iterator i = mapped.begin(); i != mapped.end(); ++i) {
666 if (*i >= audio_channels()) {
667 /* This channel is mapped but is not included in the DCP */
671 if (static_cast<dcp::Channel> (*i) == dcp::LFE) {
680 d << "_" << non_lfe << lfe;
685 d << "_" << resolution_to_string (_resolution);
687 if (!dm.studio.empty ()) {
688 d << "_" << dm.studio;
691 if (if_created_now) {
692 d << "_" << boost::gregorian::to_iso_string (boost::gregorian::day_clock::local_day ());
694 d << "_" << boost::gregorian::to_iso_string (_isdcf_date);
697 if (!dm.facility.empty ()) {
698 d << "_" << dm.facility;
712 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
713 shared_ptr<const DCPContent> dc = dynamic_pointer_cast<const DCPContent> (i);
714 if (dc && (dc->reference_video() || dc->reference_audio() || dc->reference_subtitle())) {
728 /** @return name to give the DCP */
730 Film::dcp_name (bool if_created_now) const
733 if (use_isdcf_name()) {
734 unfiltered = isdcf_name (if_created_now);
736 unfiltered = name ();
739 /* Filter out `bad' characters which cause problems with some systems.
740 There's no apparent list of what really is allowed, so this is a guess.
744 string const allowed = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_";
745 for (size_t i = 0; i < unfiltered.size(); ++i) {
746 if (allowed.find (unfiltered[i]) != string::npos) {
747 filtered += unfiltered[i];
755 Film::set_directory (boost::filesystem::path d)
762 Film::set_name (string n)
765 signal_changed (NAME);
769 Film::set_use_isdcf_name (bool u)
772 signal_changed (USE_ISDCF_NAME);
776 Film::set_dcp_content_type (DCPContentType const * t)
778 _dcp_content_type = t;
779 signal_changed (DCP_CONTENT_TYPE);
783 Film::set_container (Ratio const * c)
786 signal_changed (CONTAINER);
790 Film::set_resolution (Resolution r)
793 signal_changed (RESOLUTION);
797 Film::set_j2k_bandwidth (int b)
800 signal_changed (J2K_BANDWIDTH);
804 Film::set_isdcf_metadata (ISDCFMetadata m)
807 signal_changed (ISDCF_METADATA);
811 Film::set_video_frame_rate (int f)
813 _video_frame_rate = f;
814 signal_changed (VIDEO_FRAME_RATE);
818 Film::set_audio_channels (int c)
821 signal_changed (AUDIO_CHANNELS);
825 Film::set_three_d (bool t)
828 signal_changed (THREE_D);
830 if (_three_d && _isdcf_metadata.two_d_version_of_three_d) {
831 _isdcf_metadata.two_d_version_of_three_d = false;
832 signal_changed (ISDCF_METADATA);
837 Film::set_interop (bool i)
840 signal_changed (INTEROP);
844 Film::set_audio_processor (AudioProcessor const * processor)
846 _audio_processor = processor;
847 signal_changed (AUDIO_PROCESSOR);
848 signal_changed (AUDIO_CHANNELS);
852 Film::set_reel_type (ReelType t)
855 signal_changed (REEL_TYPE);
858 /** @param r Desired reel length in bytes */
860 Film::set_reel_length (int64_t r)
863 signal_changed (REEL_LENGTH);
867 Film::signal_changed (Property p)
873 set_video_frame_rate (_playlist->best_dcp_frame_rate ());
875 case Film::VIDEO_FRAME_RATE:
876 case Film::SEQUENCE_VIDEO:
877 _playlist->maybe_sequence_video ();
883 emit (boost::bind (boost::ref (Changed), p));
887 Film::set_isdcf_date_today ()
889 _isdcf_date = boost::gregorian::day_clock::local_day ();
892 boost::filesystem::path
893 Film::j2c_path (int reel, Frame frame, Eyes eyes, bool tmp) const
895 boost::filesystem::path p;
897 p /= video_identifier ();
901 s << setfill('0') << reel << "_" << frame;
903 if (eyes == EYES_LEFT) {
905 } else if (eyes == EYES_RIGHT) {
919 /** Find all the DCPs in our directory that can be dcp::DCP::read() and return details of their CPLs */
923 vector<CPLSummary> out;
925 boost::filesystem::path const dir = directory ();
926 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator(dir); i != boost::filesystem::directory_iterator(); ++i) {
928 boost::filesystem::is_directory (*i) &&
929 i->path().leaf() != "j2c" && i->path().leaf() != "video" && i->path().leaf() != "info" && i->path().leaf() != "analysis"
937 i->path().leaf().string(),
938 dcp.cpls().front()->id(),
939 dcp.cpls().front()->annotation_text(),
940 dcp.cpls().front()->file()
953 Film::set_signed (bool s)
956 signal_changed (SIGNED);
960 Film::set_encrypted (bool e)
963 signal_changed (ENCRYPTED);
967 Film::set_key (dcp::Key key)
970 signal_changed (KEY);
974 Film::content () const
976 return _playlist->content ();
980 Film::examine_content (shared_ptr<Content> c)
982 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c));
983 JobManager::instance()->add (j);
987 Film::examine_and_add_content (shared_ptr<Content> c)
989 if (dynamic_pointer_cast<FFmpegContent> (c) && !_directory.empty ()) {
990 run_ffprobe (c->path(0), file ("ffprobe.log"), _log);
993 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), c));
995 _job_connections.push_back (
996 j->Finished.connect (bind (&Film::maybe_add_content, this, weak_ptr<Job> (j), weak_ptr<Content> (c)))
999 JobManager::instance()->add (j);
1003 Film::maybe_add_content (weak_ptr<Job> j, weak_ptr<Content> c)
1005 shared_ptr<Job> job = j.lock ();
1006 if (!job || !job->finished_ok ()) {
1010 shared_ptr<Content> content = c.lock ();
1015 add_content (content);
1016 if (Config::instance()->automatic_audio_analysis ()) {
1017 shared_ptr<Playlist> playlist (new Playlist);
1018 playlist->add (content);
1019 boost::signals2::connection c;
1020 JobManager::instance()->analyse_audio (
1021 shared_from_this (), playlist, c, bind (&Film::audio_analysis_finished, this)
1023 _audio_analysis_connections.push_back (c);
1028 Film::add_content (shared_ptr<Content> c)
1030 /* Add video content after any existing content */
1031 if (dynamic_pointer_cast<VideoContent> (c)) {
1032 c->set_position (_playlist->video_end ());
1039 Film::remove_content (shared_ptr<Content> c)
1041 _playlist->remove (c);
1045 Film::move_content_earlier (shared_ptr<Content> c)
1047 _playlist->move_earlier (c);
1051 Film::move_content_later (shared_ptr<Content> c)
1053 _playlist->move_later (c);
1056 /** @return length of the film from time 0 to the last thing on the playlist */
1058 Film::length () const
1060 return _playlist->length ();
1064 Film::best_video_frame_rate () const
1066 return _playlist->best_dcp_frame_rate ();
1070 Film::active_frame_rate_change (DCPTime t) const
1072 return _playlist->active_frame_rate_change (t, video_frame_rate ());
1076 Film::playlist_content_changed (weak_ptr<Content> c, int p, bool frequent)
1080 if (p == VideoContentProperty::VIDEO_FRAME_RATE) {
1081 set_video_frame_rate (_playlist->best_dcp_frame_rate ());
1082 } else if (p == AudioContentProperty::AUDIO_STREAMS) {
1083 signal_changed (NAME);
1086 emit (boost::bind (boost::ref (ContentChanged), c, p, frequent));
1090 Film::playlist_changed ()
1092 signal_changed (CONTENT);
1093 signal_changed (NAME);
1097 Film::playlist_order_changed ()
1099 signal_changed (CONTENT_ORDER);
1103 Film::audio_frame_rate () const
1105 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
1106 shared_ptr<AudioContent> a = dynamic_pointer_cast<AudioContent> (i);
1107 if (a && a->has_rate_above_48k ()) {
1116 Film::set_sequence_video (bool s)
1118 _sequence_video = s;
1119 _playlist->set_sequence_video (s);
1120 signal_changed (SEQUENCE_VIDEO);
1123 /** @return Size of the largest possible image in whatever resolution we are using */
1125 Film::full_frame () const
1127 switch (_resolution) {
1129 return dcp::Size (2048, 1080);
1131 return dcp::Size (4096, 2160);
1134 DCPOMATIC_ASSERT (false);
1135 return dcp::Size ();
1138 /** @return Size of the frame */
1140 Film::frame_size () const
1142 return fit_ratio_within (container()->ratio(), full_frame ());
1147 dcp::Certificate recipient,
1148 vector<dcp::Certificate> trusted_devices,
1149 boost::filesystem::path cpl_file,
1150 dcp::LocalTime from,
1151 dcp::LocalTime until,
1152 dcp::Formulation formulation
1155 shared_ptr<const dcp::CPL> cpl (new dcp::CPL (cpl_file));
1156 shared_ptr<const dcp::CertificateChain> signer = Config::instance()->signer_chain ();
1157 if (!signer->valid ()) {
1158 throw InvalidSignerError ();
1161 return dcp::DecryptedKDM (
1162 cpl, key(), from, until, "DCP-o-matic", cpl->content_title_text(), dcp::LocalTime().as_string()
1163 ).encrypt (signer, recipient, trusted_devices, formulation);
1168 list<shared_ptr<Screen> > screens,
1169 boost::filesystem::path dcp,
1170 dcp::LocalTime from,
1171 dcp::LocalTime until,
1172 dcp::Formulation formulation
1175 list<ScreenKDM> kdms;
1177 BOOST_FOREACH (shared_ptr<Screen> i, screens) {
1179 kdms.push_back (ScreenKDM (i, make_kdm (i->recipient.get(), i->trusted_devices, dcp, from, until, formulation)));
1186 /** @return The approximate disk space required to encode a DCP of this film with the
1187 * current settings, in bytes.
1190 Film::required_disk_space () const
1192 return _playlist->required_disk_space (j2k_bandwidth(), audio_channels(), audio_frame_rate());
1195 /** This method checks the disk that the Film is on and tries to decide whether or not
1196 * there will be enough space to make a DCP for it. If so, true is returned; if not,
1197 * false is returned and required and available are filled in with the amount of disk space
1198 * required and available respectively (in Gb).
1200 * Note: the decision made by this method isn't, of course, 100% reliable.
1203 Film::should_be_enough_disk_space (double& required, double& available, bool& can_hard_link) const
1205 /* Create a test file and see if we can hard-link it */
1206 boost::filesystem::path test = internal_video_asset_dir() / "test";
1207 boost::filesystem::path test2 = internal_video_asset_dir() / "test2";
1208 can_hard_link = true;
1209 FILE* f = fopen_boost (test, "w");
1212 boost::system::error_code ec;
1213 boost::filesystem::create_hard_link (test, test2, ec);
1215 can_hard_link = false;
1217 boost::filesystem::remove (test);
1218 boost::filesystem::remove (test2);
1221 boost::filesystem::space_info s = boost::filesystem::space (internal_video_asset_dir ());
1222 required = double (required_disk_space ()) / 1073741824.0f;
1223 if (!can_hard_link) {
1226 available = double (s.available) / 1073741824.0f;
1227 return (available - required) > 1;
1231 Film::subtitle_language () const
1233 set<string> languages;
1235 ContentList cl = content ();
1236 BOOST_FOREACH (shared_ptr<Content>& c, cl) {
1237 shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (c);
1239 languages.insert (sc->subtitle_language ());
1244 BOOST_FOREACH (string s, languages) {
1245 if (!all.empty ()) {
1255 /** Change the gains of the supplied AudioMapping to make it a default
1256 * for this film. The defaults are guessed based on what processor (if any)
1257 * is in use and the number of input channels.
1260 Film::make_audio_mapping_default (AudioMapping& mapping) const
1262 if (audio_processor ()) {
1263 audio_processor()->make_audio_mapping_default (mapping);
1265 mapping.make_zero ();
1266 if (mapping.input_channels() == 1) {
1267 /* Mono -> Centre */
1268 mapping.set (0, static_cast<int> (dcp::CENTRE), 1);
1271 for (int i = 0; i < min (mapping.input_channels(), mapping.output_channels()); ++i) {
1272 mapping.set (i, i, 1);
1278 /** @return The names of the channels that audio contents' outputs are passed into;
1279 * this is either the DCP or a AudioProcessor.
1282 Film::audio_output_names () const
1284 if (audio_processor ()) {
1285 return audio_processor()->input_names ();
1288 DCPOMATIC_ASSERT (MAX_DCP_AUDIO_CHANNELS == 16);
1291 n.push_back (_("L"));
1292 n.push_back (_("R"));
1293 n.push_back (_("C"));
1294 n.push_back (_("Lfe"));
1295 n.push_back (_("Ls"));
1296 n.push_back (_("Rs"));
1297 n.push_back (_("HI"));
1298 n.push_back (_("VI"));
1299 n.push_back (_("Lc"));
1300 n.push_back (_("Rc"));
1301 n.push_back (_("BsL"));
1302 n.push_back (_("BsR"));
1303 n.push_back (_("DBP"));
1304 n.push_back (_("DBS"));
1308 return vector<string> (n.begin(), n.begin() + audio_channels ());
1312 Film::repeat_content (ContentList c, int n)
1314 _playlist->repeat (c, n);
1318 Film::remove_content (ContentList c)
1320 _playlist->remove (c);
1324 Film::audio_analysis_finished ()
1330 Film::reels () const
1332 list<DCPTimePeriod> p;
1333 DCPTime const len = length().round_up (video_frame_rate ());
1335 switch (reel_type ()) {
1336 case REELTYPE_SINGLE:
1337 p.push_back (DCPTimePeriod (DCPTime (), len));
1339 case REELTYPE_BY_VIDEO_CONTENT:
1341 optional<DCPTime> last_split;
1342 shared_ptr<VideoContent> last_video;
1343 ContentList cl = content ();
1344 BOOST_FOREACH (shared_ptr<Content> c, content ()) {
1345 shared_ptr<VideoContent> v = dynamic_pointer_cast<VideoContent> (c);
1347 BOOST_FOREACH (DCPTime t, v->reel_split_points()) {
1349 p.push_back (DCPTimePeriod (last_split.get(), t));
1357 DCPTime video_end = last_video ? last_video->end() : DCPTime(0);
1359 /* Definitely go from the last split to the end of the video content */
1360 p.push_back (DCPTimePeriod (last_split.get(), video_end));
1363 if (video_end < len) {
1364 /* And maybe go after that as well if there is any non-video hanging over the end */
1365 p.push_back (DCPTimePeriod (video_end, len));
1369 case REELTYPE_BY_LENGTH:
1372 /* Integer-divide reel length by the size of one frame to give the number of frames per reel */
1373 Frame const reel_in_frames = _reel_length / ((j2k_bandwidth() / video_frame_rate()) / 8);
1374 while (current < len) {
1375 DCPTime end = min (len, current + DCPTime::from_frames (reel_in_frames, video_frame_rate ()));
1376 p.push_back (DCPTimePeriod (current, end));