2 Copyright (C) 2012-2020 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
22 * @brief A representation of some audio, video and subtitle content, and details of
23 * how they should be presented in a DCP.
29 #include "job_manager.h"
30 #include "dcp_encoder.h"
31 #include "transcode_job.h"
32 #include "upload_job.h"
35 #include "dcpomatic_log.h"
36 #include "exceptions.h"
37 #include "examine_content_job.h"
40 #include "dcp_content_type.h"
43 #include "environment_info.h"
44 #include "audio_processor.h"
46 #include "compose.hpp"
48 #include "audio_content.h"
49 #include "video_content.h"
50 #include "text_content.h"
51 #include "ffmpeg_content.h"
52 #include "dcp_content.h"
53 #include "kdm_with_metadata.h"
55 #include "change_signaller.h"
56 #include "check_content_change_job.h"
57 #include "ffmpeg_subtitle_stream.h"
59 #include <libcxml/cxml.h>
61 #include <dcp/certificate_chain.h>
63 #include <dcp/local_time.h>
64 #include <dcp/decrypted_kdm.h>
65 #include <dcp/raw_convert.h>
66 #include <dcp/reel_mxf.h>
67 #include <dcp/reel_asset.h>
68 #include <libxml++/libxml++.h>
69 #include <boost/filesystem.hpp>
70 #include <boost/algorithm/string.hpp>
71 #include <boost/foreach.hpp>
72 #include <boost/regex.hpp>
93 using std::runtime_error;
95 using std::back_inserter;
99 using boost::shared_ptr;
100 using boost::weak_ptr;
101 using boost::dynamic_pointer_cast;
102 using boost::optional;
103 using boost::is_any_of;
104 using dcp::raw_convert;
105 using namespace dcpomatic;
107 string const Film::metadata_file = "metadata.xml";
110 * AudioMapping XML changed.
112 * Subtitle offset changed to subtitle y offset, and subtitle x offset added.
114 * Use <Scale> tag in <VideoContent> rather than <Ratio>.
118 * Subtitle X and Y scale.
120 * Bumped to 32 for 2.0 branch; some times are expressed in Times rather
124 * Changed <Period> to <Subtitle> in FFmpegSubtitleStream
126 * Content only contains audio/subtitle-related tags if those things
129 * VideoFrameType in VideoContent is a string rather than an integer.
131 * EffectColour rather than OutlineColour in Subtitle.
133 * TextContent can be in a Caption tag, and some of the tag names
134 * have had Subtitle prefixes or suffixes removed.
136 * VideoContent scale expressed just as "guess" or "custom"
138 int const Film::current_state_version = 38;
140 /** Construct a Film object in a given directory.
142 * @param dir Film directory.
145 Film::Film (optional<boost::filesystem::path> dir)
146 : _playlist (new Playlist)
147 , _use_isdcf_name (true)
148 , _dcp_content_type (Config::instance()->default_dcp_content_type ())
149 , _container (Config::instance()->default_container ())
150 , _resolution (RESOLUTION_2K)
153 , _context_id (dcp::make_uuid ())
154 , _j2k_bandwidth (Config::instance()->default_j2k_bandwidth ())
155 , _isdcf_metadata (Config::instance()->default_isdcf_metadata ())
156 , _video_frame_rate (24)
157 , _audio_channels (Config::instance()->default_dcp_audio_channels ())
160 , _interop (Config::instance()->default_interop ())
161 , _audio_processor (0)
162 , _reel_type (REELTYPE_SINGLE)
163 , _reel_length (2000000000)
164 , _upload_after_make_dcp (Config::instance()->default_upload_after_make_dcp())
165 , _reencode_j2k (false)
166 , _user_explicit_video_frame_rate (false)
167 , _user_explicit_container (false)
168 , _user_explicit_resolution (false)
169 , _state_version (current_state_version)
173 set_isdcf_date_today ();
175 _playlist_change_connection = _playlist->Change.connect (bind (&Film::playlist_change, this, _1));
176 _playlist_order_changed_connection = _playlist->OrderChange.connect (bind (&Film::playlist_order_changed, this));
177 _playlist_content_change_connection = _playlist->ContentChange.connect (bind (&Film::playlist_content_change, this, _1, _2, _3, _4));
178 _playlist_length_change_connection = _playlist->LengthChange.connect (bind(&Film::playlist_length_change, this));
181 /* Make state.directory a complete path without ..s (where possible)
182 (Code swiped from Adam Bowen on stackoverflow)
183 XXX: couldn't/shouldn't this just be boost::filesystem::canonical?
186 boost::filesystem::path p (boost::filesystem::system_complete (dir.get()));
187 boost::filesystem::path result;
188 for (boost::filesystem::path::iterator i = p.begin(); i != p.end(); ++i) {
190 boost::system::error_code ec;
191 if (boost::filesystem::is_symlink(result, ec) || result.filename() == "..") {
194 result = result.parent_path ();
196 } else if (*i != ".") {
201 set_directory (result.make_preferred ());
205 _log.reset (new FileLog (file ("log")));
207 _log.reset (new NullLog);
210 _playlist->set_sequence (_sequence);
215 BOOST_FOREACH (boost::signals2::connection& i, _job_connections) {
219 BOOST_FOREACH (boost::signals2::connection& i, _audio_analysis_connections) {
225 Film::video_identifier () const
227 DCPOMATIC_ASSERT (container ());
229 string s = container()->id()
230 + "_" + resolution_to_string (_resolution)
231 + "_" + _playlist->video_identifier()
232 + "_" + raw_convert<string>(_video_frame_rate)
233 + "_" + raw_convert<string>(j2k_bandwidth());
236 /* This is insecure but hey, the key is in plaintext in metadata.xml */
237 s += "_E" + _key.hex();
255 /** @return The file to write video frame info to */
256 boost::filesystem::path
257 Film::info_file (DCPTimePeriod period) const
259 boost::filesystem::path p;
261 p /= video_identifier () + "_" + raw_convert<string> (period.from.get()) + "_" + raw_convert<string> (period.to.get());
265 boost::filesystem::path
266 Film::internal_video_asset_dir () const
268 return dir ("video");
271 boost::filesystem::path
272 Film::internal_video_asset_filename (DCPTimePeriod p) const
274 return video_identifier() + "_" + raw_convert<string> (p.from.get()) + "_" + raw_convert<string> (p.to.get()) + ".mxf";
277 boost::filesystem::path
278 Film::audio_analysis_path (shared_ptr<const Playlist> playlist) const
280 boost::filesystem::path p = dir ("analysis");
283 BOOST_FOREACH (shared_ptr<Content> i, playlist->content ()) {
288 digester.add (i->digest ());
289 digester.add (i->audio->mapping().digest ());
290 if (playlist->content().size() != 1) {
291 /* Analyses should be considered equal regardless of gain
292 if they were made from just one piece of content. This
293 is because we can fake any gain change in a single-content
294 analysis at the plotting stage rather than having to
297 digester.add (i->audio->gain ());
301 if (audio_processor ()) {
302 digester.add (audio_processor()->id ());
305 digester.add (audio_channels());
307 p /= digester.get ();
312 boost::filesystem::path
313 Film::subtitle_analysis_path (shared_ptr<const Content> content) const
315 boost::filesystem::path p = dir ("analysis");
318 digester.add (content->digest());
320 if (!content->text.empty()) {
321 shared_ptr<TextContent> tc = content->text.front();
322 digester.add (tc->x_scale());
323 digester.add (tc->y_scale());
324 BOOST_FOREACH (shared_ptr<dcpomatic::Font> i, tc->fonts()) {
325 digester.add (i->id());
328 digester.add (tc->effect().get());
330 digester.add (tc->line_spacing());
331 digester.add (tc->outline_width());
334 shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<const FFmpegContent>(content);
336 digester.add (fc->subtitle_stream()->identifier());
339 p /= digester.get ();
344 /** Add suitable Jobs to the JobManager to create a DCP for this Film.
345 * @param gui true if this is being called from a GUI tool.
346 * @param check true to check the content in the project for changes before making the DCP.
349 Film::make_dcp (bool gui, bool check)
351 if (dcp_name().find ("/") != string::npos) {
352 throw BadSettingError (_("name"), _("Cannot contain slashes"));
355 if (container() == 0) {
356 throw MissingSettingError (_("container"));
359 if (content().empty()) {
360 throw runtime_error (_("You must add some content to the DCP before creating it"));
363 if (length() == DCPTime()) {
364 throw runtime_error (_("The DCP is empty, perhaps because all the content has zero length."));
367 if (dcp_content_type() == 0) {
368 throw MissingSettingError (_("content type"));
371 if (name().empty()) {
375 BOOST_FOREACH (shared_ptr<const Content> i, content ()) {
376 if (!i->paths_valid()) {
377 throw runtime_error (_("some of your content is missing"));
379 shared_ptr<const DCPContent> dcp = dynamic_pointer_cast<const DCPContent> (i);
380 if (dcp && dcp->needs_kdm()) {
381 throw runtime_error (_("Some of your content needs a KDM"));
383 if (dcp && dcp->needs_assets()) {
384 throw runtime_error (_("Some of your content needs an OV"));
388 set_isdcf_date_today ();
390 BOOST_FOREACH (string i, environment_info ()) {
394 BOOST_FOREACH (shared_ptr<const Content> i, content ()) {
395 LOG_GENERAL ("Content: %1", i->technical_summary());
397 LOG_GENERAL ("DCP video rate %1 fps", video_frame_rate());
398 if (Config::instance()->only_servers_encode ()) {
399 LOG_GENERAL_NC ("0 threads: ONLY SERVERS SET TO ENCODE");
401 LOG_GENERAL ("%1 threads", Config::instance()->master_encoding_threads());
403 LOG_GENERAL ("J2K bandwidth %1", j2k_bandwidth());
405 shared_ptr<TranscodeJob> tj (new TranscodeJob (shared_from_this()));
406 tj->set_encoder (shared_ptr<Encoder> (new DCPEncoder (shared_from_this(), tj)));
408 shared_ptr<CheckContentChangeJob> cc (new CheckContentChangeJob(shared_from_this(), tj, gui));
409 JobManager::instance()->add (cc);
411 JobManager::instance()->add (tj);
415 /** Start a job to send our DCP to the configured TMS */
417 Film::send_dcp_to_tms ()
419 shared_ptr<Job> j (new UploadJob (shared_from_this()));
420 JobManager::instance()->add (j);
423 shared_ptr<xmlpp::Document>
424 Film::metadata (bool with_content_paths) const
426 shared_ptr<xmlpp::Document> doc (new xmlpp::Document);
427 xmlpp::Element* root = doc->create_root_node ("Metadata");
429 root->add_child("Version")->add_child_text (raw_convert<string> (current_state_version));
430 root->add_child("Name")->add_child_text (_name);
431 root->add_child("UseISDCFName")->add_child_text (_use_isdcf_name ? "1" : "0");
433 if (_dcp_content_type) {
434 root->add_child("DCPContentType")->add_child_text (_dcp_content_type->isdcf_name ());
438 root->add_child("Container")->add_child_text (_container->id ());
441 root->add_child("Resolution")->add_child_text (resolution_to_string (_resolution));
442 root->add_child("J2KBandwidth")->add_child_text (raw_convert<string> (_j2k_bandwidth));
443 _isdcf_metadata.as_xml (root->add_child ("ISDCFMetadata"));
444 root->add_child("VideoFrameRate")->add_child_text (raw_convert<string> (_video_frame_rate));
445 root->add_child("ISDCFDate")->add_child_text (boost::gregorian::to_iso_string (_isdcf_date));
446 root->add_child("AudioChannels")->add_child_text (raw_convert<string> (_audio_channels));
447 root->add_child("ThreeD")->add_child_text (_three_d ? "1" : "0");
448 root->add_child("Sequence")->add_child_text (_sequence ? "1" : "0");
449 root->add_child("Interop")->add_child_text (_interop ? "1" : "0");
450 root->add_child("Signed")->add_child_text (_signed ? "1" : "0");
451 root->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
452 root->add_child("Key")->add_child_text (_key.hex ());
453 root->add_child("ContextID")->add_child_text (_context_id);
454 if (_audio_processor) {
455 root->add_child("AudioProcessor")->add_child_text (_audio_processor->id ());
457 root->add_child("ReelType")->add_child_text (raw_convert<string> (static_cast<int> (_reel_type)));
458 root->add_child("ReelLength")->add_child_text (raw_convert<string> (_reel_length));
459 root->add_child("UploadAfterMakeDCP")->add_child_text (_upload_after_make_dcp ? "1" : "0");
460 root->add_child("ReencodeJ2K")->add_child_text (_reencode_j2k ? "1" : "0");
461 root->add_child("UserExplicitVideoFrameRate")->add_child_text(_user_explicit_video_frame_rate ? "1" : "0");
462 for (map<dcp::Marker, DCPTime>::const_iterator i = _markers.begin(); i != _markers.end(); ++i) {
463 xmlpp::Element* m = root->add_child("Marker");
464 m->set_attribute("Type", dcp::marker_to_string(i->first));
465 m->add_child_text(raw_convert<string>(i->second.get()));
467 BOOST_FOREACH (dcp::Rating i, _ratings) {
468 i.as_xml (root->add_child("Rating"));
470 root->add_child("ContentVersion")->add_child_text(_content_version);
471 root->add_child("UserExplicitContainer")->add_child_text(_user_explicit_container ? "1" : "0");
472 root->add_child("UserExplicitResolution")->add_child_text(_user_explicit_resolution ? "1" : "0");
473 _playlist->as_xml (root->add_child ("Playlist"), with_content_paths);
479 Film::write_metadata (boost::filesystem::path path) const
481 shared_ptr<xmlpp::Document> doc = metadata ();
482 doc->write_to_file_formatted (path.string());
485 /** Write state to our `metadata' file */
487 Film::write_metadata () const
489 DCPOMATIC_ASSERT (directory());
490 boost::filesystem::create_directories (directory().get());
491 shared_ptr<xmlpp::Document> doc = metadata ();
492 doc->write_to_file_formatted (file(metadata_file).string ());
496 /** Write a template from this film */
498 Film::write_template (boost::filesystem::path path) const
500 boost::filesystem::create_directories (path.parent_path());
501 shared_ptr<xmlpp::Document> doc = metadata (false);
502 doc->write_to_file_formatted (path.string ());
505 /** Read state from our metadata file.
506 * @return Notes about things that the user should know about, or empty.
509 Film::read_metadata (optional<boost::filesystem::path> path)
512 if (boost::filesystem::exists (file ("metadata")) && !boost::filesystem::exists (file (metadata_file))) {
513 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!"));
516 path = file (metadata_file);
519 if (!boost::filesystem::exists(*path)) {
520 throw FileNotFoundError(*path);
523 cxml::Document f ("Metadata");
524 f.read_file (path.get ());
526 _state_version = f.number_child<int> ("Version");
527 if (_state_version > current_state_version) {
528 throw runtime_error (_("This film was created with a newer version of DCP-o-matic, and it cannot be loaded into this version. Sorry!"));
529 } else if (_state_version < current_state_version) {
530 /* This is an older version; save a copy (if we haven't already) */
531 boost::filesystem::path const older = path->parent_path() / String::compose("metadata.%1.xml", _state_version);
532 if (!boost::filesystem::is_regular_file(older)) {
534 boost::filesystem::copy_file(*path, older);
536 /* Never mind; at least we tried */
541 _name = f.string_child ("Name");
542 if (_state_version >= 9) {
543 _use_isdcf_name = f.bool_child ("UseISDCFName");
544 _isdcf_metadata = ISDCFMetadata (f.node_child ("ISDCFMetadata"));
545 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("ISDCFDate"));
547 _use_isdcf_name = f.bool_child ("UseDCIName");
548 _isdcf_metadata = ISDCFMetadata (f.node_child ("DCIMetadata"));
549 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("DCIDate"));
554 optional<string> c = f.optional_string_child ("DCPContentType");
556 _dcp_content_type = DCPContentType::from_isdcf_name (c.get ());
561 optional<string> c = f.optional_string_child ("Container");
563 _container = Ratio::from_id (c.get ());
567 _resolution = string_to_resolution (f.string_child ("Resolution"));
568 _j2k_bandwidth = f.number_child<int> ("J2KBandwidth");
569 _video_frame_rate = f.number_child<int> ("VideoFrameRate");
570 _signed = f.optional_bool_child("Signed").get_value_or (true);
571 _encrypted = f.bool_child ("Encrypted");
572 _audio_channels = f.number_child<int> ("AudioChannels");
573 /* We used to allow odd numbers (and zero) channels, but it's just not worth
576 if (_audio_channels == 0) {
578 } else if ((_audio_channels % 2) == 1) {
582 if (f.optional_bool_child("SequenceVideo")) {
583 _sequence = f.bool_child("SequenceVideo");
585 _sequence = f.bool_child("Sequence");
588 _three_d = f.bool_child ("ThreeD");
589 _interop = f.bool_child ("Interop");
590 _key = dcp::Key (f.string_child ("Key"));
591 _context_id = f.optional_string_child("ContextID").get_value_or (dcp::make_uuid ());
593 if (f.optional_string_child ("AudioProcessor")) {
594 _audio_processor = AudioProcessor::from_id (f.string_child ("AudioProcessor"));
596 _audio_processor = 0;
599 if (_audio_processor && !Config::instance()->show_experimental_audio_processors()) {
600 list<AudioProcessor const *> ap = AudioProcessor::visible();
601 if (find(ap.begin(), ap.end(), _audio_processor) == ap.end()) {
602 Config::instance()->set_show_experimental_audio_processors(true);
606 _reel_type = static_cast<ReelType> (f.optional_number_child<int>("ReelType").get_value_or (static_cast<int>(REELTYPE_SINGLE)));
607 _reel_length = f.optional_number_child<int64_t>("ReelLength").get_value_or (2000000000);
608 _upload_after_make_dcp = f.optional_bool_child("UploadAfterMakeDCP").get_value_or (false);
609 _reencode_j2k = f.optional_bool_child("ReencodeJ2K").get_value_or(false);
610 _user_explicit_video_frame_rate = f.optional_bool_child("UserExplicitVideoFrameRate").get_value_or(false);
612 BOOST_FOREACH (cxml::ConstNodePtr i, f.node_children("Marker")) {
613 _markers[dcp::marker_from_string(i->string_attribute("Type"))] = DCPTime(dcp::raw_convert<DCPTime::Type>(i->content()));
616 BOOST_FOREACH (cxml::ConstNodePtr i, f.node_children("Rating")) {
617 _ratings.push_back (dcp::Rating(i));
620 _content_version = f.optional_string_child("ContentVersion").get_value_or("");
622 /* Disable guessing for files made in previous DCP-o-matic versions */
623 _user_explicit_container = f.optional_bool_child("UserExplicitContainer").get_value_or(true);
624 _user_explicit_resolution = f.optional_bool_child("UserExplicitResolution").get_value_or(true);
627 _playlist->set_from_xml (shared_from_this(), f.node_child ("Playlist"), _state_version, notes);
629 /* Write backtraces to this film's directory, until another film is loaded */
631 set_backtrace_file (file ("backtrace.txt"));
638 /** Given a directory name, return its full path within the Film's directory.
639 * @param d directory name within the Film's directory.
640 * @param create true to create the directory (and its parents) if they do not exist.
642 boost::filesystem::path
643 Film::dir (boost::filesystem::path d, bool create) const
645 DCPOMATIC_ASSERT (_directory);
647 boost::filesystem::path p;
648 p /= _directory.get();
652 boost::filesystem::create_directories (p);
658 /** Given a file or directory name, return its full path within the Film's directory.
659 * Any required parent directories will be created.
661 boost::filesystem::path
662 Film::file (boost::filesystem::path f) const
664 DCPOMATIC_ASSERT (_directory);
666 boost::filesystem::path p;
667 p /= _directory.get();
670 boost::filesystem::create_directories (p.parent_path ());
676 Film::mapped_audio_channels () const
680 if (audio_processor ()) {
681 /* Processors are mapped 1:1 to DCP outputs so we can work out mappings from there */
682 for (int i = 0; i < audio_processor()->out_channels(); ++i) {
683 mapped.push_back (i);
686 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
688 list<int> c = i->audio->mapping().mapped_output_channels ();
689 copy (c.begin(), c.end(), back_inserter (mapped));
700 /** @return a ISDCF-compliant name for a DCP of this film */
702 Film::isdcf_name (bool if_created_now) const
706 string raw_name = name ();
708 /* Split the raw name up into words */
709 vector<string> words;
710 split (words, raw_name, is_any_of (" _-"));
714 /* Add each word to fixed_name */
715 for (vector<string>::const_iterator i = words.begin(); i != words.end(); ++i) {
718 /* First letter is always capitalised */
719 w[0] = toupper (w[0]);
721 /* Count caps in w */
723 for (size_t i = 0; i < w.size(); ++i) {
724 if (isupper (w[i])) {
729 /* If w is all caps make the rest of it lower case, otherwise
732 if (caps == w.size ()) {
733 for (size_t i = 1; i < w.size(); ++i) {
734 w[i] = tolower (w[i]);
738 for (size_t i = 0; i < w.size(); ++i) {
743 if (fixed_name.length() > 14) {
744 fixed_name = fixed_name.substr (0, 14);
749 if (dcp_content_type()) {
750 d += "_" + dcp_content_type()->isdcf_name();
751 d += "-" + raw_convert<string>(isdcf_metadata().content_version);
754 ISDCFMetadata const dm = isdcf_metadata ();
756 if (dm.temp_version) {
760 if (dm.pre_release) {
768 if (!dm.chain.empty ()) {
776 if (dm.two_d_version_of_three_d) {
780 if (!dm.mastered_luminance.empty ()) {
781 d += "-" + dm.mastered_luminance;
784 if (video_frame_rate() != 24) {
785 d += "-" + raw_convert<string>(video_frame_rate());
789 d += "_" + container()->isdcf_name();
792 /* XXX: this uses the first bit of content only */
794 /* Interior aspect ratio. The standard says we don't do this for trailers, for some strange reason */
795 if (dcp_content_type() && dcp_content_type()->libdcp_kind() != dcp::TRAILER) {
796 Ratio const * content_ratio = 0;
797 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
799 /* Here's the first piece of video content */
800 content_ratio = Ratio::nearest_from_ratio(i->video->scaled_size(frame_size()).ratio());
805 if (content_ratio && content_ratio != container()) {
806 /* This needs to be the numeric version of the ratio, and ::id() is close enough */
807 d += "-" + content_ratio->id();
811 if (!dm.audio_language.empty ()) {
812 d += "_" + dm.audio_language;
814 /* I'm not clear on the precise details of the convention for CCAP labelling;
815 for now I'm just appending -CCAP if we have any closed captions.
818 optional<string> subtitle_language;
819 bool burnt_in = true;
821 BOOST_FOREACH (shared_ptr<Content> i, content()) {
822 BOOST_FOREACH (shared_ptr<TextContent> j, i->text) {
823 if (j->type() == TEXT_OPEN_SUBTITLE && j->use()) {
824 subtitle_language = j->language ();
828 } else if (j->type() == TEXT_CLOSED_CAPTION && j->use()) {
834 if (dm.subtitle_language) {
835 /* Subtitle language is overridden in ISDCF metadata, primarily to handle
836 content with pre-burnt subtitles.
838 d += "-" + *dm.subtitle_language;
842 } else if (subtitle_language) {
843 /* Language is worked out from the content */
844 if (burnt_in && *subtitle_language != "XX") {
845 transform (subtitle_language->begin(), subtitle_language->end(), subtitle_language->begin(), ::tolower);
847 transform (subtitle_language->begin(), subtitle_language->end(), subtitle_language->begin(), ::toupper);
850 d += "-" + *subtitle_language;
860 if (!dm.territory.empty ()) {
861 d += "_" + dm.territory;
862 if (dm.rating.empty ()) {
865 d += "-" + dm.rating;
869 /* Count mapped audio channels */
871 list<int> mapped = mapped_audio_channels ();
873 pair<int, int> ch = audio_channel_types (mapped, audio_channels());
874 if (!ch.first && !ch.second) {
876 } else if (ch.first) {
877 d += String::compose("_%1%2", ch.first, ch.second);
880 if (audio_channels() > static_cast<int>(dcp::HI) && find(mapped.begin(), mapped.end(), dcp::HI) != mapped.end()) {
883 if (audio_channels() > static_cast<int>(dcp::VI) && find(mapped.begin(), mapped.end(), dcp::VI) != mapped.end()) {
887 d += "_" + resolution_to_string (_resolution);
889 if (!dm.studio.empty ()) {
890 d += "_" + dm.studio;
893 if (if_created_now) {
894 d += "_" + boost::gregorian::to_iso_string (boost::gregorian::day_clock::local_day ());
896 d += "_" + boost::gregorian::to_iso_string (_isdcf_date);
899 if (!dm.facility.empty ()) {
900 d += "_" + dm.facility;
914 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
915 shared_ptr<const DCPContent> dc = dynamic_pointer_cast<const DCPContent> (i);
920 bool any_text = false;
921 for (int i = 0; i < TEXT_COUNT; ++i) {
922 if (dc->reference_text(static_cast<TextType>(i))) {
926 if (dc->reference_video() || dc->reference_audio() || any_text) {
940 /** @return name to give the DCP */
942 Film::dcp_name (bool if_created_now) const
945 if (use_isdcf_name()) {
946 return careful_string_filter (isdcf_name (if_created_now));
949 return careful_string_filter (name ());
953 Film::set_directory (boost::filesystem::path d)
960 Film::set_name (string n)
962 ChangeSignaller<Film> ch (this, NAME);
967 Film::set_use_isdcf_name (bool u)
969 ChangeSignaller<Film> ch (this, USE_ISDCF_NAME);
974 Film::set_dcp_content_type (DCPContentType const * t)
976 ChangeSignaller<Film> ch (this, DCP_CONTENT_TYPE);
977 _dcp_content_type = t;
981 /** @param explicit_user true if this is being set because of
982 * a direct user request, false if it is being done because
983 * DCP-o-matic is guessing the best container to use.
986 Film::set_container (Ratio const * c, bool explicit_user)
988 ChangeSignaller<Film> ch (this, CONTAINER);
992 _user_explicit_container = true;
997 /** @param explicit_user true if this is being set because of
998 * a direct user request, false if it is being done because
999 * DCP-o-matic is guessing the best resolution to use.
1002 Film::set_resolution (Resolution r, bool explicit_user)
1004 ChangeSignaller<Film> ch (this, RESOLUTION);
1007 if (explicit_user) {
1008 _user_explicit_resolution = true;
1014 Film::set_j2k_bandwidth (int b)
1016 ChangeSignaller<Film> ch (this, J2K_BANDWIDTH);
1021 Film::set_isdcf_metadata (ISDCFMetadata m)
1023 ChangeSignaller<Film> ch (this, ISDCF_METADATA);
1024 _isdcf_metadata = m;
1027 /** @param f New frame rate.
1028 * @param user_explicit true if this comes from a direct user instruction, false if it is from
1029 * DCP-o-matic being helpful.
1032 Film::set_video_frame_rate (int f, bool user_explicit)
1034 ChangeSignaller<Film> ch (this, VIDEO_FRAME_RATE);
1035 _video_frame_rate = f;
1036 if (user_explicit) {
1037 _user_explicit_video_frame_rate = true;
1042 Film::set_audio_channels (int c)
1044 ChangeSignaller<Film> ch (this, AUDIO_CHANNELS);
1045 _audio_channels = c;
1049 Film::set_three_d (bool t)
1051 ChangeSignaller<Film> ch (this, THREE_D);
1054 if (_three_d && _isdcf_metadata.two_d_version_of_three_d) {
1055 ChangeSignaller<Film> ch (this, ISDCF_METADATA);
1056 _isdcf_metadata.two_d_version_of_three_d = false;
1061 Film::set_interop (bool i)
1063 ChangeSignaller<Film> ch (this, INTEROP);
1068 Film::set_audio_processor (AudioProcessor const * processor)
1070 ChangeSignaller<Film> ch1 (this, AUDIO_PROCESSOR);
1071 ChangeSignaller<Film> ch2 (this, AUDIO_CHANNELS);
1072 _audio_processor = processor;
1076 Film::set_reel_type (ReelType t)
1078 ChangeSignaller<Film> ch (this, REEL_TYPE);
1082 /** @param r Desired reel length in bytes */
1084 Film::set_reel_length (int64_t r)
1086 ChangeSignaller<Film> ch (this, REEL_LENGTH);
1091 Film::set_upload_after_make_dcp (bool u)
1093 ChangeSignaller<Film> ch (this, UPLOAD_AFTER_MAKE_DCP);
1094 _upload_after_make_dcp = u;
1098 Film::set_reencode_j2k (bool r)
1100 ChangeSignaller<Film> ch (this, REENCODE_J2K);
1105 Film::signal_change (ChangeType type, int p)
1107 signal_change (type, static_cast<Property>(p));
1111 Film::signal_change (ChangeType type, Property p)
1113 if (type == CHANGE_TYPE_DONE) {
1116 if (p == Film::CONTENT) {
1117 if (!_user_explicit_video_frame_rate) {
1118 set_video_frame_rate (best_video_frame_rate());
1122 emit (boost::bind (boost::ref (Change), type, p));
1124 if (p == Film::VIDEO_FRAME_RATE || p == Film::SEQUENCE) {
1125 /* We want to call Playlist::maybe_sequence but this must happen after the
1126 main signal emission (since the butler will see that emission and un-suspend itself).
1128 emit (boost::bind(&Playlist::maybe_sequence, _playlist.get(), shared_from_this()));
1136 Film::set_isdcf_date_today ()
1138 _isdcf_date = boost::gregorian::day_clock::local_day ();
1141 boost::filesystem::path
1142 Film::j2c_path (int reel, Frame frame, Eyes eyes, bool tmp) const
1144 boost::filesystem::path p;
1146 p /= video_identifier ();
1149 snprintf(buffer, sizeof(buffer), "%08d_%08" PRId64, reel, frame);
1152 if (eyes == EYES_LEFT) {
1154 } else if (eyes == EYES_RIGHT) {
1170 cpl_summary_compare (CPLSummary const & a, CPLSummary const & b)
1172 return a.last_write_time > b.last_write_time;
1175 /** Find all the DCPs in our directory that can be dcp::DCP::read() and return details of their CPLs.
1176 * The list will be returned in reverse order of timestamp (i.e. most recent first).
1181 if (!directory ()) {
1182 return vector<CPLSummary> ();
1185 vector<CPLSummary> out;
1187 boost::filesystem::path const dir = directory().get();
1188 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator(dir); i != boost::filesystem::directory_iterator(); ++i) {
1190 boost::filesystem::is_directory (*i) &&
1191 i->path().leaf() != "j2c" && i->path().leaf() != "video" && i->path().leaf() != "info" && i->path().leaf() != "analysis"
1195 out.push_back (CPLSummary(*i));
1202 sort (out.begin(), out.end(), cpl_summary_compare);
1208 Film::set_signed (bool s)
1210 ChangeSignaller<Film> ch (this, SIGNED);
1215 Film::set_encrypted (bool e)
1217 ChangeSignaller<Film> ch (this, ENCRYPTED);
1222 Film::set_key (dcp::Key key)
1224 ChangeSignaller<Film> ch (this, KEY);
1229 Film::content () const
1231 return _playlist->content ();
1234 /** @param content Content to add.
1235 * @param disable_audio_analysis true to never do automatic audio analysis, even if it is enabled in configuration.
1238 Film::examine_and_add_content (shared_ptr<Content> content, bool disable_audio_analysis)
1240 if (dynamic_pointer_cast<FFmpegContent> (content) && _directory) {
1241 run_ffprobe (content->path(0), file("ffprobe.log"));
1244 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), content));
1246 _job_connections.push_back (
1247 j->Finished.connect (bind (&Film::maybe_add_content, this, weak_ptr<Job>(j), weak_ptr<Content>(content), disable_audio_analysis))
1250 JobManager::instance()->add (j);
1254 Film::maybe_add_content (weak_ptr<Job> j, weak_ptr<Content> c, bool disable_audio_analysis)
1256 shared_ptr<Job> job = j.lock ();
1257 if (!job || !job->finished_ok ()) {
1261 shared_ptr<Content> content = c.lock ();
1266 add_content (content);
1268 if (Config::instance()->automatic_audio_analysis() && content->audio && !disable_audio_analysis) {
1269 shared_ptr<Playlist> playlist (new Playlist);
1270 playlist->add (shared_from_this(), content);
1271 boost::signals2::connection c;
1272 JobManager::instance()->analyse_audio (
1273 shared_from_this(), playlist, false, c, bind (&Film::audio_analysis_finished, this)
1275 _audio_analysis_connections.push_back (c);
1280 Film::add_content (shared_ptr<Content> c)
1282 /* Add {video,subtitle} content after any existing {video,subtitle} content */
1284 c->set_position (shared_from_this(), _playlist->video_end(shared_from_this()));
1285 } else if (!c->text.empty()) {
1286 c->set_position (shared_from_this(), _playlist->text_end(shared_from_this()));
1289 if (_template_film) {
1290 /* Take settings from the first piece of content of c's type in _template */
1291 BOOST_FOREACH (shared_ptr<Content> i, _template_film->content()) {
1292 c->take_settings_from (i);
1296 _playlist->add (shared_from_this(), c);
1298 maybe_set_container_and_resolution ();
1303 Film::maybe_set_container_and_resolution ()
1305 /* Get the only piece of video content, if there is only one */
1306 shared_ptr<VideoContent> video;
1307 BOOST_FOREACH (shared_ptr<const Content> i, _playlist->content()) {
1318 /* This is the only piece of video content in this Film. Use it to make a guess for
1319 * DCP container size and resolution, unless the user has already explicitly set these
1322 if (!_user_explicit_container) {
1323 if (video->size().ratio() > 2.3) {
1324 set_container (Ratio::from_id("239"), false);
1326 set_container (Ratio::from_id("185"), false);
1330 if (!_user_explicit_resolution) {
1331 if (video->size_after_crop().width > 2048 || video->size_after_crop().height > 1080) {
1332 set_resolution (RESOLUTION_4K, false);
1334 set_resolution (RESOLUTION_2K, false);
1341 Film::remove_content (shared_ptr<Content> c)
1343 _playlist->remove (c);
1344 maybe_set_container_and_resolution ();
1348 Film::move_content_earlier (shared_ptr<Content> c)
1350 _playlist->move_earlier (shared_from_this(), c);
1354 Film::move_content_later (shared_ptr<Content> c)
1356 _playlist->move_later (shared_from_this(), c);
1359 /** @return length of the film from time 0 to the last thing on the playlist,
1360 * with a minimum length of 1 second.
1363 Film::length () const
1365 return max(DCPTime::from_seconds(1), _playlist->length(shared_from_this()).ceil(video_frame_rate()));
1369 Film::best_video_frame_rate () const
1371 /* Don't default to anything above 30fps (make the user select that explicitly) */
1372 int best = _playlist->best_video_frame_rate ();
1380 Film::active_frame_rate_change (DCPTime t) const
1382 return _playlist->active_frame_rate_change (t, video_frame_rate ());
1386 Film::playlist_content_change (ChangeType type, weak_ptr<Content> c, int p, bool frequent)
1388 if (p == ContentProperty::VIDEO_FRAME_RATE) {
1389 signal_change (type, Film::CONTENT);
1390 } else if (p == AudioContentProperty::STREAMS) {
1391 signal_change (type, Film::NAME);
1394 if (type == CHANGE_TYPE_DONE) {
1395 emit (boost::bind (boost::ref (ContentChange), type, c, p, frequent));
1397 check_settings_consistency ();
1400 ContentChange (type, c, p, frequent);
1405 Film::playlist_length_change ()
1411 Film::playlist_change (ChangeType type)
1413 signal_change (type, CONTENT);
1414 signal_change (type, NAME);
1416 if (type == CHANGE_TYPE_DONE) {
1417 check_settings_consistency ();
1421 /** Check for (and if necessary fix) impossible settings combinations, like
1422 * video set to being referenced when it can't be.
1425 Film::check_settings_consistency ()
1427 bool change_made = false;
1428 BOOST_FOREACH (shared_ptr<Content> i, content()) {
1429 shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent>(i);
1435 if (d->reference_video() && !d->can_reference_video(shared_from_this(), why_not)) {
1436 d->set_reference_video(false);
1439 if (d->reference_audio() && !d->can_reference_audio(shared_from_this(), why_not)) {
1440 d->set_reference_audio(false);
1446 Message (_("DCP-o-matic had to change your settings for referring to DCPs as OV. Please review those settings to make sure they are what you want."));
1451 Film::playlist_order_changed ()
1453 /* XXX: missing PENDING */
1454 signal_change (CHANGE_TYPE_DONE, CONTENT_ORDER);
1458 Film::audio_frame_rate () const
1460 /* It seems that nobody makes 96kHz DCPs at the moment, so let's avoid them.
1467 Film::set_sequence (bool s)
1469 if (s == _sequence) {
1473 ChangeSignaller<Film> cc (this, SEQUENCE);
1475 _playlist->set_sequence (s);
1478 /** @return Size of the largest possible image in whatever resolution we are using */
1480 Film::full_frame () const
1482 switch (_resolution) {
1484 return dcp::Size (2048, 1080);
1486 return dcp::Size (4096, 2160);
1489 DCPOMATIC_ASSERT (false);
1490 return dcp::Size ();
1493 /** @return Size of the frame */
1495 Film::frame_size () const
1497 return fit_ratio_within (container()->ratio(), full_frame ());
1500 /** @param recipient KDM recipient certificate.
1501 * @param trusted_devices Certificate thumbprints of other trusted devices (can be empty).
1502 * @param cpl_file CPL filename.
1503 * @param from KDM from time expressed as a local time with an offset from UTC.
1504 * @param until KDM to time expressed as a local time with an offset from UTC.
1505 * @param formulation KDM formulation to use.
1506 * @param disable_forensic_marking_picture true to disable forensic marking of picture.
1507 * @param disable_forensic_marking_audio if not set, don't disable forensic marking of audio. If set to 0,
1508 * disable all forensic marking; if set above 0, disable forensic marking above that channel.
1512 dcp::Certificate recipient,
1513 vector<string> trusted_devices,
1514 boost::filesystem::path cpl_file,
1515 dcp::LocalTime from,
1516 dcp::LocalTime until,
1517 dcp::Formulation formulation,
1518 bool disable_forensic_marking_picture,
1519 optional<int> disable_forensic_marking_audio
1523 throw runtime_error (_("Cannot make a KDM as this project is not encrypted."));
1526 shared_ptr<const dcp::CPL> cpl (new dcp::CPL (cpl_file));
1527 shared_ptr<const dcp::CertificateChain> signer = Config::instance()->signer_chain ();
1528 if (!signer->valid ()) {
1529 throw InvalidSignerError ();
1532 /* Find keys that have been added to imported, encrypted DCP content */
1533 list<dcp::DecryptedKDMKey> imported_keys;
1534 BOOST_FOREACH (shared_ptr<Content> i, content()) {
1535 shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent> (i);
1536 if (d && d->kdm()) {
1537 dcp::DecryptedKDM kdm (d->kdm().get(), Config::instance()->decryption_chain()->key().get());
1538 list<dcp::DecryptedKDMKey> keys = kdm.keys ();
1539 copy (keys.begin(), keys.end(), back_inserter (imported_keys));
1543 map<shared_ptr<const dcp::ReelMXF>, dcp::Key> keys;
1545 BOOST_FOREACH(shared_ptr<const dcp::ReelMXF> i, cpl->reel_mxfs()) {
1550 /* Get any imported key for this ID */
1552 BOOST_FOREACH (dcp::DecryptedKDMKey j, imported_keys) {
1553 if (j.id() == i->key_id().get()) {
1554 LOG_GENERAL ("Using imported key for %1", i->key_id().get());
1561 /* No imported key; it must be an asset that we encrypted */
1562 LOG_GENERAL ("Using our own key for %1", i->key_id().get());
1567 return dcp::DecryptedKDM (
1568 cpl->id(), keys, from, until, cpl->content_title_text(), cpl->content_title_text(), dcp::LocalTime().as_string()
1569 ).encrypt (signer, recipient, trusted_devices, formulation, disable_forensic_marking_picture, disable_forensic_marking_audio);
1573 /** @return The approximate disk space required to encode a DCP of this film with the
1574 * current settings, in bytes.
1577 Film::required_disk_space () const
1579 return _playlist->required_disk_space (shared_from_this(), j2k_bandwidth(), audio_channels(), audio_frame_rate());
1582 /** This method checks the disk that the Film is on and tries to decide whether or not
1583 * there will be enough space to make a DCP for it. If so, true is returned; if not,
1584 * false is returned and required and available are filled in with the amount of disk space
1585 * required and available respectively (in GB).
1587 * Note: the decision made by this method isn't, of course, 100% reliable.
1590 Film::should_be_enough_disk_space (double& required, double& available, bool& can_hard_link) const
1592 /* Create a test file and see if we can hard-link it */
1593 boost::filesystem::path test = internal_video_asset_dir() / "test";
1594 boost::filesystem::path test2 = internal_video_asset_dir() / "test2";
1595 can_hard_link = true;
1596 FILE* f = fopen_boost (test, "w");
1599 boost::system::error_code ec;
1600 boost::filesystem::create_hard_link (test, test2, ec);
1602 can_hard_link = false;
1604 boost::filesystem::remove (test);
1605 boost::filesystem::remove (test2);
1608 boost::filesystem::space_info s = boost::filesystem::space (internal_video_asset_dir ());
1609 required = double (required_disk_space ()) / 1073741824.0f;
1610 if (!can_hard_link) {
1613 available = double (s.available) / 1073741824.0f;
1614 return (available - required) > 1;
1618 Film::subtitle_language () const
1620 set<string> languages;
1622 BOOST_FOREACH (shared_ptr<Content> i, content()) {
1623 BOOST_FOREACH (shared_ptr<TextContent> j, i->text) {
1624 languages.insert (j->language ());
1629 BOOST_FOREACH (string s, languages) {
1630 if (!all.empty ()) {
1640 /** @return The names of the channels that audio contents' outputs are passed into;
1641 * this is either the DCP or a AudioProcessor.
1644 Film::audio_output_names () const
1646 if (audio_processor ()) {
1647 return audio_processor()->input_names ();
1650 DCPOMATIC_ASSERT (MAX_DCP_AUDIO_CHANNELS == 16);
1654 for (int i = 0; i < audio_channels(); ++i) {
1655 n.push_back (short_audio_channel_name (i));
1662 Film::repeat_content (ContentList c, int n)
1664 _playlist->repeat (shared_from_this(), c, n);
1668 Film::remove_content (ContentList c)
1670 _playlist->remove (c);
1674 Film::audio_analysis_finished ()
1680 Film::reels () const
1682 list<DCPTimePeriod> p;
1683 DCPTime const len = length();
1685 switch (reel_type ()) {
1686 case REELTYPE_SINGLE:
1687 p.push_back (DCPTimePeriod (DCPTime (), len));
1689 case REELTYPE_BY_VIDEO_CONTENT:
1691 /* Collect all reel boundaries */
1692 list<DCPTime> split_points;
1693 split_points.push_back (DCPTime());
1694 split_points.push_back (len);
1695 BOOST_FOREACH (shared_ptr<Content> c, content()) {
1697 BOOST_FOREACH (DCPTime t, c->reel_split_points(shared_from_this())) {
1698 split_points.push_back (t);
1700 split_points.push_back (c->end(shared_from_this()));
1704 split_points.sort ();
1705 split_points.unique ();
1707 /* Make them into periods, coalescing any that are less than 1 second long */
1708 optional<DCPTime> last;
1709 BOOST_FOREACH (DCPTime t, split_points) {
1710 if (last && (t - *last) >= DCPTime::from_seconds(1)) {
1711 /* Period from *last to t is long enough; use it and start a new one */
1712 p.push_back (DCPTimePeriod(*last, t));
1715 /* That was the first time, so start a new period */
1721 case REELTYPE_BY_LENGTH:
1724 /* Integer-divide reel length by the size of one frame to give the number of frames per reel,
1725 * making sure we don't go less than 1s long.
1727 Frame const reel_in_frames = max(_reel_length / ((j2k_bandwidth() / video_frame_rate()) / 8), static_cast<Frame>(video_frame_rate()));
1728 while (current < len) {
1729 DCPTime end = min (len, current + DCPTime::from_frames (reel_in_frames, video_frame_rate ()));
1730 p.push_back (DCPTimePeriod (current, end));
1740 /** @param period A period within the DCP
1741 * @return Name of the content which most contributes to the given period.
1744 Film::content_summary (DCPTimePeriod period) const
1746 return _playlist->content_summary (shared_from_this(), period);
1750 Film::use_template (string name)
1752 _template_film.reset (new Film (optional<boost::filesystem::path>()));
1753 _template_film->read_metadata (Config::instance()->template_path (name));
1754 _use_isdcf_name = _template_film->_use_isdcf_name;
1755 _dcp_content_type = _template_film->_dcp_content_type;
1756 _container = _template_film->_container;
1757 _resolution = _template_film->_resolution;
1758 _j2k_bandwidth = _template_film->_j2k_bandwidth;
1759 _video_frame_rate = _template_film->_video_frame_rate;
1760 _signed = _template_film->_signed;
1761 _encrypted = _template_film->_encrypted;
1762 _audio_channels = _template_film->_audio_channels;
1763 _sequence = _template_film->_sequence;
1764 _three_d = _template_film->_three_d;
1765 _interop = _template_film->_interop;
1766 _audio_processor = _template_film->_audio_processor;
1767 _reel_type = _template_film->_reel_type;
1768 _reel_length = _template_film->_reel_length;
1769 _upload_after_make_dcp = _template_film->_upload_after_make_dcp;
1770 _isdcf_metadata = _template_film->_isdcf_metadata;
1773 pair<double, double>
1774 Film::speed_up_range (int dcp_frame_rate) const
1776 return _playlist->speed_up_range (dcp_frame_rate);
1780 Film::copy_from (shared_ptr<const Film> film)
1782 read_metadata (film->file (metadata_file));
1786 Film::references_dcp_video () const
1788 BOOST_FOREACH (shared_ptr<Content> i, _playlist->content()) {
1789 shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent>(i);
1790 if (d && d->reference_video()) {
1799 Film::references_dcp_audio () const
1801 BOOST_FOREACH (shared_ptr<Content> i, _playlist->content()) {
1802 shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent>(i);
1803 if (d && d->reference_audio()) {
1812 Film::closed_caption_tracks () const
1814 list<DCPTextTrack> tt;
1815 BOOST_FOREACH (shared_ptr<Content> i, content()) {
1816 BOOST_FOREACH (shared_ptr<TextContent> j, i->text) {
1817 /* XXX: Empty DCPTextTrack ends up being a magic value here - the "unknown" or "not specified" track */
1818 DCPTextTrack dtt = j->dcp_track().get_value_or(DCPTextTrack());
1819 if (j->type() == TEXT_CLOSED_CAPTION && find(tt.begin(), tt.end(), dtt) == tt.end()) {
1829 Film::set_marker (dcp::Marker type, DCPTime time)
1831 ChangeSignaller<Film> ch (this, MARKERS);
1832 _markers[type] = time;
1836 Film::unset_marker (dcp::Marker type)
1838 ChangeSignaller<Film> ch (this, MARKERS);
1839 _markers.erase (type);
1844 Film::clear_markers ()
1846 ChangeSignaller<Film> ch (this, MARKERS);
1852 Film::set_ratings (vector<dcp::Rating> r)
1854 ChangeSignaller<Film> ch (this, RATINGS);
1859 Film::set_content_version (string v)
1861 ChangeSignaller<Film> ch (this, CONTENT_VERSION);
1862 _content_version = v;
1866 Film::marker (dcp::Marker type) const
1868 map<dcp::Marker, DCPTime>::const_iterator i = _markers.find (type);
1869 if (i == _markers.end()) {
1870 return optional<DCPTime>();
1875 shared_ptr<InfoFileHandle>
1876 Film::info_file_handle (DCPTimePeriod period, bool read) const
1878 return shared_ptr<InfoFileHandle> (new InfoFileHandle(_info_file_mutex, info_file(period), read));
1881 InfoFileHandle::InfoFileHandle (boost::mutex& mutex, boost::filesystem::path file, bool read)
1886 _handle = fopen_boost (file, "rb");
1888 throw OpenFileError (file, errno, OpenFileError::READ);
1891 bool const exists = boost::filesystem::exists (file);
1893 _handle = fopen_boost (file, "r+b");
1895 _handle = fopen_boost (file, "wb");
1899 throw OpenFileError (file, errno, exists ? OpenFileError::READ_WRITE : OpenFileError::WRITE);
1904 InfoFileHandle::~InfoFileHandle ()