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.
26 #include "atmos_content.h"
30 #include "job_manager.h"
31 #include "dcp_encoder.h"
32 #include "transcode_job.h"
33 #include "upload_job.h"
36 #include "dcpomatic_log.h"
37 #include "exceptions.h"
38 #include "examine_content_job.h"
41 #include "dcp_content_type.h"
44 #include "environment_info.h"
45 #include "audio_processor.h"
47 #include "compose.hpp"
49 #include "audio_content.h"
50 #include "video_content.h"
51 #include "text_content.h"
52 #include "ffmpeg_content.h"
53 #include "dcp_content.h"
54 #include "kdm_with_metadata.h"
56 #include "change_signaller.h"
57 #include "check_content_change_job.h"
58 #include "ffmpeg_subtitle_stream.h"
61 #include <libcxml/cxml.h>
63 #include <dcp/certificate_chain.h>
65 #include <dcp/local_time.h>
66 #include <dcp/decrypted_kdm.h>
67 #include <dcp/raw_convert.h>
68 #include <dcp/reel_mxf.h>
69 #include <dcp/reel_asset.h>
70 #include <libxml++/libxml++.h>
71 #include <boost/filesystem.hpp>
72 #include <boost/algorithm/string.hpp>
73 #include <boost/foreach.hpp>
74 #include <boost/regex.hpp>
95 using std::runtime_error;
97 using std::back_inserter;
101 using boost::shared_ptr;
102 using boost::weak_ptr;
103 using boost::dynamic_pointer_cast;
104 using boost::optional;
105 using boost::is_any_of;
106 using dcp::raw_convert;
107 using namespace dcpomatic;
109 string const Film::metadata_file = "metadata.xml";
112 * AudioMapping XML changed.
114 * Subtitle offset changed to subtitle y offset, and subtitle x offset added.
116 * Use <Scale> tag in <VideoContent> rather than <Ratio>.
120 * Subtitle X and Y scale.
122 * Bumped to 32 for 2.0 branch; some times are expressed in Times rather
126 * Changed <Period> to <Subtitle> in FFmpegSubtitleStream
128 * Content only contains audio/subtitle-related tags if those things
131 * VideoFrameType in VideoContent is a string rather than an integer.
133 * EffectColour rather than OutlineColour in Subtitle.
135 * TextContent can be in a Caption tag, and some of the tag names
136 * have had Subtitle prefixes or suffixes removed.
138 * VideoContent scale expressed just as "guess" or "custom"
140 int const Film::current_state_version = 38;
142 /** Construct a Film object in a given directory.
144 * @param dir Film directory.
147 Film::Film (optional<boost::filesystem::path> dir)
148 : _playlist (new Playlist)
149 , _use_isdcf_name (true)
150 , _dcp_content_type (Config::instance()->default_dcp_content_type ())
151 , _container (Config::instance()->default_container ())
152 , _resolution (RESOLUTION_2K)
154 , _context_id (dcp::make_uuid ())
155 , _j2k_bandwidth (Config::instance()->default_j2k_bandwidth ())
156 , _isdcf_metadata (Config::instance()->default_isdcf_metadata ())
157 , _video_frame_rate (24)
158 , _audio_channels (Config::instance()->default_dcp_audio_channels ())
161 , _interop (Config::instance()->default_interop ())
162 , _audio_processor (0)
163 , _reel_type (REELTYPE_SINGLE)
164 , _reel_length (2000000000)
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("Encrypted")->add_child_text (_encrypted ? "1" : "0");
451 root->add_child("Key")->add_child_text (_key.hex ());
452 root->add_child("ContextID")->add_child_text (_context_id);
453 if (_audio_processor) {
454 root->add_child("AudioProcessor")->add_child_text (_audio_processor->id ());
456 root->add_child("ReelType")->add_child_text (raw_convert<string> (static_cast<int> (_reel_type)));
457 root->add_child("ReelLength")->add_child_text (raw_convert<string> (_reel_length));
458 root->add_child("ReencodeJ2K")->add_child_text (_reencode_j2k ? "1" : "0");
459 root->add_child("UserExplicitVideoFrameRate")->add_child_text(_user_explicit_video_frame_rate ? "1" : "0");
460 for (map<dcp::Marker, DCPTime>::const_iterator i = _markers.begin(); i != _markers.end(); ++i) {
461 xmlpp::Element* m = root->add_child("Marker");
462 m->set_attribute("Type", dcp::marker_to_string(i->first));
463 m->add_child_text(raw_convert<string>(i->second.get()));
465 BOOST_FOREACH (dcp::Rating i, _ratings) {
466 i.as_xml (root->add_child("Rating"));
468 root->add_child("ContentVersion")->add_child_text(_content_version);
469 root->add_child("UserExplicitContainer")->add_child_text(_user_explicit_container ? "1" : "0");
470 root->add_child("UserExplicitResolution")->add_child_text(_user_explicit_resolution ? "1" : "0");
471 _playlist->as_xml (root->add_child ("Playlist"), with_content_paths);
477 Film::write_metadata (boost::filesystem::path path) const
479 shared_ptr<xmlpp::Document> doc = metadata ();
480 doc->write_to_file_formatted (path.string());
483 /** Write state to our `metadata' file */
485 Film::write_metadata () const
487 DCPOMATIC_ASSERT (directory());
488 boost::filesystem::create_directories (directory().get());
489 shared_ptr<xmlpp::Document> doc = metadata ();
490 doc->write_to_file_formatted (file(metadata_file).string ());
494 /** Write a template from this film */
496 Film::write_template (boost::filesystem::path path) const
498 boost::filesystem::create_directories (path.parent_path());
499 shared_ptr<xmlpp::Document> doc = metadata (false);
500 doc->write_to_file_formatted (path.string ());
503 /** Read state from our metadata file.
504 * @return Notes about things that the user should know about, or empty.
507 Film::read_metadata (optional<boost::filesystem::path> path)
510 if (boost::filesystem::exists (file ("metadata")) && !boost::filesystem::exists (file (metadata_file))) {
511 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!"));
514 path = file (metadata_file);
517 if (!boost::filesystem::exists(*path)) {
518 throw FileNotFoundError(*path);
521 cxml::Document f ("Metadata");
522 f.read_file (path.get ());
524 _state_version = f.number_child<int> ("Version");
525 if (_state_version > current_state_version) {
526 throw runtime_error (_("This film was created with a newer version of DCP-o-matic, and it cannot be loaded into this version. Sorry!"));
527 } else if (_state_version < current_state_version) {
528 /* This is an older version; save a copy (if we haven't already) */
529 boost::filesystem::path const older = path->parent_path() / String::compose("metadata.%1.xml", _state_version);
530 if (!boost::filesystem::is_regular_file(older)) {
532 boost::filesystem::copy_file(*path, older);
534 /* Never mind; at least we tried */
539 _name = f.string_child ("Name");
540 if (_state_version >= 9) {
541 _use_isdcf_name = f.bool_child ("UseISDCFName");
542 _isdcf_metadata = ISDCFMetadata (f.node_child ("ISDCFMetadata"));
543 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("ISDCFDate"));
545 _use_isdcf_name = f.bool_child ("UseDCIName");
546 _isdcf_metadata = ISDCFMetadata (f.node_child ("DCIMetadata"));
547 _isdcf_date = boost::gregorian::from_undelimited_string (f.string_child ("DCIDate"));
552 optional<string> c = f.optional_string_child ("DCPContentType");
554 _dcp_content_type = DCPContentType::from_isdcf_name (c.get ());
559 optional<string> c = f.optional_string_child ("Container");
561 _container = Ratio::from_id (c.get ());
565 _resolution = string_to_resolution (f.string_child ("Resolution"));
566 _j2k_bandwidth = f.number_child<int> ("J2KBandwidth");
567 _video_frame_rate = f.number_child<int> ("VideoFrameRate");
568 _encrypted = f.bool_child ("Encrypted");
569 _audio_channels = f.number_child<int> ("AudioChannels");
570 /* We used to allow odd numbers (and zero) channels, but it's just not worth
573 if (_audio_channels == 0) {
575 } else if ((_audio_channels % 2) == 1) {
579 if (f.optional_bool_child("SequenceVideo")) {
580 _sequence = f.bool_child("SequenceVideo");
582 _sequence = f.bool_child("Sequence");
585 _three_d = f.bool_child ("ThreeD");
586 _interop = f.bool_child ("Interop");
587 _key = dcp::Key (f.string_child ("Key"));
588 _context_id = f.optional_string_child("ContextID").get_value_or (dcp::make_uuid ());
590 if (f.optional_string_child ("AudioProcessor")) {
591 _audio_processor = AudioProcessor::from_id (f.string_child ("AudioProcessor"));
593 _audio_processor = 0;
596 if (_audio_processor && !Config::instance()->show_experimental_audio_processors()) {
597 list<AudioProcessor const *> ap = AudioProcessor::visible();
598 if (find(ap.begin(), ap.end(), _audio_processor) == ap.end()) {
599 Config::instance()->set_show_experimental_audio_processors(true);
603 _reel_type = static_cast<ReelType> (f.optional_number_child<int>("ReelType").get_value_or (static_cast<int>(REELTYPE_SINGLE)));
604 _reel_length = f.optional_number_child<int64_t>("ReelLength").get_value_or (2000000000);
605 _reencode_j2k = f.optional_bool_child("ReencodeJ2K").get_value_or(false);
606 _user_explicit_video_frame_rate = f.optional_bool_child("UserExplicitVideoFrameRate").get_value_or(false);
608 BOOST_FOREACH (cxml::ConstNodePtr i, f.node_children("Marker")) {
609 _markers[dcp::marker_from_string(i->string_attribute("Type"))] = DCPTime(dcp::raw_convert<DCPTime::Type>(i->content()));
612 BOOST_FOREACH (cxml::ConstNodePtr i, f.node_children("Rating")) {
613 _ratings.push_back (dcp::Rating(i));
616 _content_version = f.optional_string_child("ContentVersion").get_value_or("");
618 /* Disable guessing for files made in previous DCP-o-matic versions */
619 _user_explicit_container = f.optional_bool_child("UserExplicitContainer").get_value_or(true);
620 _user_explicit_resolution = f.optional_bool_child("UserExplicitResolution").get_value_or(true);
623 _playlist->set_from_xml (shared_from_this(), f.node_child ("Playlist"), _state_version, notes);
625 /* Write backtraces to this film's directory, until another film is loaded */
627 set_backtrace_file (file ("backtrace.txt"));
634 /** Given a directory name, return its full path within the Film's directory.
635 * @param d directory name within the Film's directory.
636 * @param create true to create the directory (and its parents) if they do not exist.
638 boost::filesystem::path
639 Film::dir (boost::filesystem::path d, bool create) const
641 DCPOMATIC_ASSERT (_directory);
643 boost::filesystem::path p;
644 p /= _directory.get();
648 boost::filesystem::create_directories (p);
654 /** Given a file or directory name, return its full path within the Film's directory.
655 * Any required parent directories will be created.
657 boost::filesystem::path
658 Film::file (boost::filesystem::path f) const
660 DCPOMATIC_ASSERT (_directory);
662 boost::filesystem::path p;
663 p /= _directory.get();
666 boost::filesystem::create_directories (p.parent_path ());
672 Film::mapped_audio_channels () const
676 if (audio_processor ()) {
677 /* Processors are mapped 1:1 to DCP outputs so we can work out mappings from there */
678 for (int i = 0; i < audio_processor()->out_channels(); ++i) {
679 mapped.push_back (i);
682 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
684 list<int> c = i->audio->mapping().mapped_output_channels ();
685 copy (c.begin(), c.end(), back_inserter (mapped));
696 /** @return a ISDCF-compliant name for a DCP of this film */
698 Film::isdcf_name (bool if_created_now) const
702 string raw_name = name ();
704 /* Split the raw name up into words */
705 vector<string> words;
706 split (words, raw_name, is_any_of (" _-"));
710 /* Add each word to fixed_name */
711 for (vector<string>::const_iterator i = words.begin(); i != words.end(); ++i) {
714 /* First letter is always capitalised */
715 w[0] = toupper (w[0]);
717 /* Count caps in w */
719 for (size_t i = 0; i < w.size(); ++i) {
720 if (isupper (w[i])) {
725 /* If w is all caps make the rest of it lower case, otherwise
728 if (caps == w.size ()) {
729 for (size_t i = 1; i < w.size(); ++i) {
730 w[i] = tolower (w[i]);
734 for (size_t i = 0; i < w.size(); ++i) {
739 if (fixed_name.length() > 14) {
740 fixed_name = fixed_name.substr (0, 14);
745 if (dcp_content_type()) {
746 d += "_" + dcp_content_type()->isdcf_name();
747 d += "-" + raw_convert<string>(isdcf_metadata().content_version);
750 ISDCFMetadata const dm = isdcf_metadata ();
752 if (dm.temp_version) {
756 if (dm.pre_release) {
764 if (!dm.chain.empty ()) {
772 if (dm.two_d_version_of_three_d) {
776 if (!dm.mastered_luminance.empty ()) {
777 d += "-" + dm.mastered_luminance;
780 if (video_frame_rate() != 24) {
781 d += "-" + raw_convert<string>(video_frame_rate());
785 d += "_" + container()->isdcf_name();
788 /* XXX: this uses the first bit of content only */
790 /* Interior aspect ratio. The standard says we don't do this for trailers, for some strange reason */
791 if (dcp_content_type() && dcp_content_type()->libdcp_kind() != dcp::TRAILER) {
792 Ratio const * content_ratio = 0;
793 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
795 /* Here's the first piece of video content */
796 content_ratio = Ratio::nearest_from_ratio(i->video->scaled_size(frame_size()).ratio());
801 if (content_ratio && content_ratio != container()) {
802 /* This needs to be the numeric version of the ratio, and ::id() is close enough */
803 d += "-" + content_ratio->id();
807 if (!dm.audio_language.empty ()) {
808 d += "_" + dm.audio_language;
810 /* I'm not clear on the precise details of the convention for CCAP labelling;
811 for now I'm just appending -CCAP if we have any closed captions.
814 optional<string> subtitle_language;
815 bool burnt_in = true;
817 BOOST_FOREACH (shared_ptr<Content> i, content()) {
818 BOOST_FOREACH (shared_ptr<TextContent> j, i->text) {
819 if (j->type() == TEXT_OPEN_SUBTITLE && j->use()) {
820 subtitle_language = j->language ();
824 } else if (j->type() == TEXT_CLOSED_CAPTION && j->use()) {
830 if (dm.subtitle_language) {
831 /* Subtitle language is overridden in ISDCF metadata, primarily to handle
832 content with pre-burnt subtitles.
834 d += "-" + *dm.subtitle_language;
838 } else if (subtitle_language) {
839 /* Language is worked out from the content */
840 if (burnt_in && *subtitle_language != "XX") {
841 transform (subtitle_language->begin(), subtitle_language->end(), subtitle_language->begin(), ::tolower);
843 transform (subtitle_language->begin(), subtitle_language->end(), subtitle_language->begin(), ::toupper);
846 d += "-" + *subtitle_language;
856 if (!dm.territory.empty ()) {
857 d += "_" + dm.territory;
858 if (dm.rating.empty ()) {
861 d += "-" + dm.rating;
865 /* Count mapped audio channels */
867 list<int> mapped = mapped_audio_channels ();
869 pair<int, int> ch = audio_channel_types (mapped, audio_channels());
870 if (!ch.first && !ch.second) {
872 } else if (ch.first) {
873 d += String::compose("_%1%2", ch.first, ch.second);
876 if (audio_channels() > static_cast<int>(dcp::HI) && find(mapped.begin(), mapped.end(), dcp::HI) != mapped.end()) {
879 if (audio_channels() > static_cast<int>(dcp::VI) && find(mapped.begin(), mapped.end(), dcp::VI) != mapped.end()) {
883 d += "_" + resolution_to_string (_resolution);
885 if (!dm.studio.empty ()) {
886 d += "_" + dm.studio;
889 if (if_created_now) {
890 d += "_" + boost::gregorian::to_iso_string (boost::gregorian::day_clock::local_day ());
892 d += "_" + boost::gregorian::to_iso_string (_isdcf_date);
895 if (!dm.facility.empty ()) {
896 d += "_" + dm.facility;
910 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
911 shared_ptr<const DCPContent> dc = dynamic_pointer_cast<const DCPContent> (i);
916 bool any_text = false;
917 for (int i = 0; i < TEXT_COUNT; ++i) {
918 if (dc->reference_text(static_cast<TextType>(i))) {
922 if (dc->reference_video() || dc->reference_audio() || any_text) {
936 /** @return name to give the DCP */
938 Film::dcp_name (bool if_created_now) const
941 if (use_isdcf_name()) {
942 return careful_string_filter (isdcf_name (if_created_now));
945 return careful_string_filter (name ());
949 Film::set_directory (boost::filesystem::path d)
956 Film::set_name (string n)
958 ChangeSignaller<Film> ch (this, NAME);
963 Film::set_use_isdcf_name (bool u)
965 ChangeSignaller<Film> ch (this, USE_ISDCF_NAME);
970 Film::set_dcp_content_type (DCPContentType const * t)
972 ChangeSignaller<Film> ch (this, DCP_CONTENT_TYPE);
973 _dcp_content_type = t;
977 /** @param explicit_user true if this is being set because of
978 * a direct user request, false if it is being done because
979 * DCP-o-matic is guessing the best container to use.
982 Film::set_container (Ratio const * c, bool explicit_user)
984 ChangeSignaller<Film> ch (this, CONTAINER);
988 _user_explicit_container = true;
993 /** @param explicit_user true if this is being set because of
994 * a direct user request, false if it is being done because
995 * DCP-o-matic is guessing the best resolution to use.
998 Film::set_resolution (Resolution r, bool explicit_user)
1000 ChangeSignaller<Film> ch (this, RESOLUTION);
1003 if (explicit_user) {
1004 _user_explicit_resolution = true;
1010 Film::set_j2k_bandwidth (int b)
1012 ChangeSignaller<Film> ch (this, J2K_BANDWIDTH);
1017 Film::set_isdcf_metadata (ISDCFMetadata m)
1019 ChangeSignaller<Film> ch (this, ISDCF_METADATA);
1020 _isdcf_metadata = m;
1023 /** @param f New frame rate.
1024 * @param user_explicit true if this comes from a direct user instruction, false if it is from
1025 * DCP-o-matic being helpful.
1028 Film::set_video_frame_rate (int f, bool user_explicit)
1030 ChangeSignaller<Film> ch (this, VIDEO_FRAME_RATE);
1031 _video_frame_rate = f;
1032 if (user_explicit) {
1033 _user_explicit_video_frame_rate = true;
1038 Film::set_audio_channels (int c)
1040 ChangeSignaller<Film> ch (this, AUDIO_CHANNELS);
1041 _audio_channels = c;
1045 Film::set_three_d (bool t)
1047 ChangeSignaller<Film> ch (this, THREE_D);
1050 if (_three_d && _isdcf_metadata.two_d_version_of_three_d) {
1051 ChangeSignaller<Film> ch (this, ISDCF_METADATA);
1052 _isdcf_metadata.two_d_version_of_three_d = false;
1057 Film::set_interop (bool i)
1059 ChangeSignaller<Film> ch (this, INTEROP);
1064 Film::set_audio_processor (AudioProcessor const * processor)
1066 ChangeSignaller<Film> ch1 (this, AUDIO_PROCESSOR);
1067 ChangeSignaller<Film> ch2 (this, AUDIO_CHANNELS);
1068 _audio_processor = processor;
1072 Film::set_reel_type (ReelType t)
1074 ChangeSignaller<Film> ch (this, REEL_TYPE);
1078 /** @param r Desired reel length in bytes */
1080 Film::set_reel_length (int64_t r)
1082 ChangeSignaller<Film> ch (this, REEL_LENGTH);
1087 Film::set_reencode_j2k (bool r)
1089 ChangeSignaller<Film> ch (this, REENCODE_J2K);
1094 Film::signal_change (ChangeType type, int p)
1096 signal_change (type, static_cast<Property>(p));
1100 Film::signal_change (ChangeType type, Property p)
1102 if (type == CHANGE_TYPE_DONE) {
1105 if (p == Film::CONTENT) {
1106 if (!_user_explicit_video_frame_rate) {
1107 set_video_frame_rate (best_video_frame_rate());
1111 emit (boost::bind (boost::ref (Change), type, p));
1113 if (p == Film::VIDEO_FRAME_RATE || p == Film::SEQUENCE) {
1114 /* We want to call Playlist::maybe_sequence but this must happen after the
1115 main signal emission (since the butler will see that emission and un-suspend itself).
1117 emit (boost::bind(&Playlist::maybe_sequence, _playlist.get(), shared_from_this()));
1125 Film::set_isdcf_date_today ()
1127 _isdcf_date = boost::gregorian::day_clock::local_day ();
1130 boost::filesystem::path
1131 Film::j2c_path (int reel, Frame frame, Eyes eyes, bool tmp) const
1133 boost::filesystem::path p;
1135 p /= video_identifier ();
1138 snprintf(buffer, sizeof(buffer), "%08d_%08" PRId64, reel, frame);
1141 if (eyes == EYES_LEFT) {
1143 } else if (eyes == EYES_RIGHT) {
1159 cpl_summary_compare (CPLSummary const & a, CPLSummary const & b)
1161 return a.last_write_time > b.last_write_time;
1164 /** Find all the DCPs in our directory that can be dcp::DCP::read() and return details of their CPLs.
1165 * The list will be returned in reverse order of timestamp (i.e. most recent first).
1170 if (!directory ()) {
1171 return vector<CPLSummary> ();
1174 vector<CPLSummary> out;
1176 boost::filesystem::path const dir = directory().get();
1177 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator(dir); i != boost::filesystem::directory_iterator(); ++i) {
1179 boost::filesystem::is_directory (*i) &&
1180 i->path().leaf() != "j2c" && i->path().leaf() != "video" && i->path().leaf() != "info" && i->path().leaf() != "analysis"
1184 out.push_back (CPLSummary(*i));
1191 sort (out.begin(), out.end(), cpl_summary_compare);
1197 Film::set_encrypted (bool e)
1199 ChangeSignaller<Film> ch (this, ENCRYPTED);
1204 Film::content () const
1206 return _playlist->content ();
1209 /** @param content Content to add.
1210 * @param disable_audio_analysis true to never do automatic audio analysis, even if it is enabled in configuration.
1213 Film::examine_and_add_content (shared_ptr<Content> content, bool disable_audio_analysis)
1215 if (dynamic_pointer_cast<FFmpegContent> (content) && _directory) {
1216 run_ffprobe (content->path(0), file("ffprobe.log"));
1219 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), content));
1221 _job_connections.push_back (
1222 j->Finished.connect (bind (&Film::maybe_add_content, this, weak_ptr<Job>(j), weak_ptr<Content>(content), disable_audio_analysis))
1225 JobManager::instance()->add (j);
1229 Film::maybe_add_content (weak_ptr<Job> j, weak_ptr<Content> c, bool disable_audio_analysis)
1231 shared_ptr<Job> job = j.lock ();
1232 if (!job || !job->finished_ok ()) {
1236 shared_ptr<Content> content = c.lock ();
1241 add_content (content);
1243 if (Config::instance()->automatic_audio_analysis() && content->audio && !disable_audio_analysis) {
1244 shared_ptr<Playlist> playlist (new Playlist);
1245 playlist->add (shared_from_this(), content);
1246 boost::signals2::connection c;
1247 JobManager::instance()->analyse_audio (
1248 shared_from_this(), playlist, false, c, bind (&Film::audio_analysis_finished, this)
1250 _audio_analysis_connections.push_back (c);
1255 Film::add_content (shared_ptr<Content> c)
1257 /* Add {video,subtitle} content after any existing {video,subtitle} content */
1259 c->set_position (shared_from_this(), _playlist->video_end(shared_from_this()));
1260 } else if (!c->text.empty()) {
1261 c->set_position (shared_from_this(), _playlist->text_end(shared_from_this()));
1264 if (_template_film) {
1265 /* Take settings from the first piece of content of c's type in _template */
1266 BOOST_FOREACH (shared_ptr<Content> i, _template_film->content()) {
1267 c->take_settings_from (i);
1271 _playlist->add (shared_from_this(), c);
1273 maybe_set_container_and_resolution ();
1275 Help::instance()->event (Help::SUCCESSFUL_ADD_CONTENT);
1280 Film::maybe_set_container_and_resolution ()
1282 /* Get the only piece of video content, if there is only one */
1283 shared_ptr<VideoContent> video;
1284 BOOST_FOREACH (shared_ptr<const Content> i, _playlist->content()) {
1295 /* This is the only piece of video content in this Film. Use it to make a guess for
1296 * DCP container size and resolution, unless the user has already explicitly set these
1299 if (!_user_explicit_container) {
1300 if (video->size().ratio() > 2.3) {
1301 set_container (Ratio::from_id("239"), false);
1303 set_container (Ratio::from_id("185"), false);
1307 if (!_user_explicit_resolution) {
1308 if (video->size_after_crop().width > 2048 || video->size_after_crop().height > 1080) {
1309 set_resolution (RESOLUTION_4K, false);
1311 set_resolution (RESOLUTION_2K, false);
1318 Film::remove_content (shared_ptr<Content> c)
1320 _playlist->remove (c);
1321 maybe_set_container_and_resolution ();
1325 Film::move_content_earlier (shared_ptr<Content> c)
1327 _playlist->move_earlier (shared_from_this(), c);
1331 Film::move_content_later (shared_ptr<Content> c)
1333 _playlist->move_later (shared_from_this(), c);
1336 /** @return length of the film from time 0 to the last thing on the playlist,
1337 * with a minimum length of 1 second.
1340 Film::length () const
1342 return max(DCPTime::from_seconds(1), _playlist->length(shared_from_this()).ceil(video_frame_rate()));
1346 Film::best_video_frame_rate () const
1348 /* Don't default to anything above 30fps (make the user select that explicitly) */
1349 int best = _playlist->best_video_frame_rate ();
1357 Film::active_frame_rate_change (DCPTime t) const
1359 return _playlist->active_frame_rate_change (t, video_frame_rate ());
1363 Film::playlist_content_change (ChangeType type, weak_ptr<Content> c, int p, bool frequent)
1365 if (p == ContentProperty::VIDEO_FRAME_RATE) {
1366 signal_change (type, Film::CONTENT);
1367 } else if (p == AudioContentProperty::STREAMS) {
1368 signal_change (type, Film::NAME);
1371 if (type == CHANGE_TYPE_DONE) {
1372 emit (boost::bind (boost::ref (ContentChange), type, c, p, frequent));
1374 check_settings_consistency ();
1377 ContentChange (type, c, p, frequent);
1382 Film::playlist_length_change ()
1388 Film::playlist_change (ChangeType type)
1390 signal_change (type, CONTENT);
1391 signal_change (type, NAME);
1393 if (type == CHANGE_TYPE_DONE) {
1394 check_settings_consistency ();
1398 /** Check for (and if necessary fix) impossible settings combinations, like
1399 * video set to being referenced when it can't be.
1402 Film::check_settings_consistency ()
1404 optional<int> atmos_rate;
1405 BOOST_FOREACH (shared_ptr<Content> i, content()) {
1408 int rate = lrintf (i->atmos->edit_rate().as_float());
1409 if (atmos_rate && *atmos_rate != rate) {
1410 Message (_("You have more than one piece of Atmos content, and they do not have the same frame rate. You must remove some Atmos content."));
1411 } else if (!atmos_rate && rate != video_frame_rate()) {
1413 set_video_frame_rate (rate, false);
1414 Message (_("DCP-o-matic had to change your settings so that the film's frame rate is the same as that of your Atmos content."));
1419 bool change_made = false;
1420 BOOST_FOREACH (shared_ptr<Content> i, content()) {
1421 shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent>(i);
1427 if (d->reference_video() && !d->can_reference_video(shared_from_this(), why_not)) {
1428 d->set_reference_video(false);
1431 if (d->reference_audio() && !d->can_reference_audio(shared_from_this(), why_not)) {
1432 d->set_reference_audio(false);
1438 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."));
1443 Film::playlist_order_changed ()
1445 /* XXX: missing PENDING */
1446 signal_change (CHANGE_TYPE_DONE, CONTENT_ORDER);
1450 Film::audio_frame_rate () const
1452 /* It seems that nobody makes 96kHz DCPs at the moment, so let's avoid them.
1459 Film::set_sequence (bool s)
1461 if (s == _sequence) {
1465 ChangeSignaller<Film> cc (this, SEQUENCE);
1467 _playlist->set_sequence (s);
1470 /** @return Size of the largest possible image in whatever resolution we are using */
1472 Film::full_frame () const
1474 switch (_resolution) {
1476 return dcp::Size (2048, 1080);
1478 return dcp::Size (4096, 2160);
1481 DCPOMATIC_ASSERT (false);
1482 return dcp::Size ();
1485 /** @return Size of the frame */
1487 Film::frame_size () const
1489 return fit_ratio_within (container()->ratio(), full_frame ());
1492 /** @param recipient KDM recipient certificate.
1493 * @param trusted_devices Certificate thumbprints of other trusted devices (can be empty).
1494 * @param cpl_file CPL filename.
1495 * @param from KDM from time expressed as a local time with an offset from UTC.
1496 * @param until KDM to time expressed as a local time with an offset from UTC.
1497 * @param formulation KDM formulation to use.
1498 * @param disable_forensic_marking_picture true to disable forensic marking of picture.
1499 * @param disable_forensic_marking_audio if not set, don't disable forensic marking of audio. If set to 0,
1500 * disable all forensic marking; if set above 0, disable forensic marking above that channel.
1504 dcp::Certificate recipient,
1505 vector<string> trusted_devices,
1506 boost::filesystem::path cpl_file,
1507 dcp::LocalTime from,
1508 dcp::LocalTime until,
1509 dcp::Formulation formulation,
1510 bool disable_forensic_marking_picture,
1511 optional<int> disable_forensic_marking_audio
1515 throw runtime_error (_("Cannot make a KDM as this project is not encrypted."));
1518 shared_ptr<const dcp::CPL> cpl (new dcp::CPL (cpl_file));
1519 shared_ptr<const dcp::CertificateChain> signer = Config::instance()->signer_chain ();
1520 if (!signer->valid ()) {
1521 throw InvalidSignerError ();
1524 /* Find keys that have been added to imported, encrypted DCP content */
1525 list<dcp::DecryptedKDMKey> imported_keys;
1526 BOOST_FOREACH (shared_ptr<Content> i, content()) {
1527 shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent> (i);
1528 if (d && d->kdm()) {
1529 dcp::DecryptedKDM kdm (d->kdm().get(), Config::instance()->decryption_chain()->key().get());
1530 list<dcp::DecryptedKDMKey> keys = kdm.keys ();
1531 copy (keys.begin(), keys.end(), back_inserter (imported_keys));
1535 map<shared_ptr<const dcp::ReelMXF>, dcp::Key> keys;
1537 BOOST_FOREACH(shared_ptr<const dcp::ReelMXF> i, cpl->reel_mxfs()) {
1542 /* Get any imported key for this ID */
1544 BOOST_FOREACH (dcp::DecryptedKDMKey j, imported_keys) {
1545 if (j.id() == i->key_id().get()) {
1546 LOG_GENERAL ("Using imported key for %1", i->key_id().get());
1553 /* No imported key; it must be an asset that we encrypted */
1554 LOG_GENERAL ("Using our own key for %1", i->key_id().get());
1559 return dcp::DecryptedKDM (
1560 cpl->id(), keys, from, until, cpl->content_title_text(), cpl->content_title_text(), dcp::LocalTime().as_string()
1561 ).encrypt (signer, recipient, trusted_devices, formulation, disable_forensic_marking_picture, disable_forensic_marking_audio);
1565 /** @return The approximate disk space required to encode a DCP of this film with the
1566 * current settings, in bytes.
1569 Film::required_disk_space () const
1571 return _playlist->required_disk_space (shared_from_this(), j2k_bandwidth(), audio_channels(), audio_frame_rate());
1574 /** This method checks the disk that the Film is on and tries to decide whether or not
1575 * there will be enough space to make a DCP for it. If so, true is returned; if not,
1576 * false is returned and required and available are filled in with the amount of disk space
1577 * required and available respectively (in GB).
1579 * Note: the decision made by this method isn't, of course, 100% reliable.
1582 Film::should_be_enough_disk_space (double& required, double& available, bool& can_hard_link) const
1584 /* Create a test file and see if we can hard-link it */
1585 boost::filesystem::path test = internal_video_asset_dir() / "test";
1586 boost::filesystem::path test2 = internal_video_asset_dir() / "test2";
1587 can_hard_link = true;
1588 FILE* f = fopen_boost (test, "w");
1591 boost::system::error_code ec;
1592 boost::filesystem::create_hard_link (test, test2, ec);
1594 can_hard_link = false;
1596 boost::filesystem::remove (test);
1597 boost::filesystem::remove (test2);
1600 boost::filesystem::space_info s = boost::filesystem::space (internal_video_asset_dir ());
1601 required = double (required_disk_space ()) / 1073741824.0f;
1602 if (!can_hard_link) {
1605 available = double (s.available) / 1073741824.0f;
1606 return (available - required) > 1;
1610 Film::subtitle_language () const
1612 set<string> languages;
1614 BOOST_FOREACH (shared_ptr<Content> i, content()) {
1615 BOOST_FOREACH (shared_ptr<TextContent> j, i->text) {
1616 languages.insert (j->language ());
1621 BOOST_FOREACH (string s, languages) {
1622 if (!all.empty ()) {
1632 /** @return The names of the channels that audio contents' outputs are passed into;
1633 * this is either the DCP or a AudioProcessor.
1636 Film::audio_output_names () const
1638 if (audio_processor ()) {
1639 return audio_processor()->input_names ();
1642 DCPOMATIC_ASSERT (MAX_DCP_AUDIO_CHANNELS == 16);
1646 for (int i = 0; i < audio_channels(); ++i) {
1647 n.push_back (short_audio_channel_name (i));
1654 Film::repeat_content (ContentList c, int n)
1656 _playlist->repeat (shared_from_this(), c, n);
1660 Film::remove_content (ContentList c)
1662 _playlist->remove (c);
1666 Film::audio_analysis_finished ()
1672 Film::reels () const
1674 list<DCPTimePeriod> p;
1675 DCPTime const len = length();
1677 switch (reel_type ()) {
1678 case REELTYPE_SINGLE:
1679 p.push_back (DCPTimePeriod (DCPTime (), len));
1681 case REELTYPE_BY_VIDEO_CONTENT:
1683 /* Collect all reel boundaries */
1684 list<DCPTime> split_points;
1685 split_points.push_back (DCPTime());
1686 split_points.push_back (len);
1687 BOOST_FOREACH (shared_ptr<Content> c, content()) {
1689 BOOST_FOREACH (DCPTime t, c->reel_split_points(shared_from_this())) {
1690 split_points.push_back (t);
1692 split_points.push_back (c->end(shared_from_this()));
1696 split_points.sort ();
1697 split_points.unique ();
1699 /* Make them into periods, coalescing any that are less than 1 second long */
1700 optional<DCPTime> last;
1701 BOOST_FOREACH (DCPTime t, split_points) {
1702 if (last && (t - *last) >= DCPTime::from_seconds(1)) {
1703 /* Period from *last to t is long enough; use it and start a new one */
1704 p.push_back (DCPTimePeriod(*last, t));
1707 /* That was the first time, so start a new period */
1713 case REELTYPE_BY_LENGTH:
1716 /* Integer-divide reel length by the size of one frame to give the number of frames per reel,
1717 * making sure we don't go less than 1s long.
1719 Frame const reel_in_frames = max(_reel_length / ((j2k_bandwidth() / video_frame_rate()) / 8), static_cast<Frame>(video_frame_rate()));
1720 while (current < len) {
1721 DCPTime end = min (len, current + DCPTime::from_frames (reel_in_frames, video_frame_rate ()));
1722 p.push_back (DCPTimePeriod (current, end));
1732 /** @param period A period within the DCP
1733 * @return Name of the content which most contributes to the given period.
1736 Film::content_summary (DCPTimePeriod period) const
1738 return _playlist->content_summary (shared_from_this(), period);
1742 Film::use_template (string name)
1744 _template_film.reset (new Film (optional<boost::filesystem::path>()));
1745 _template_film->read_metadata (Config::instance()->template_path (name));
1746 _use_isdcf_name = _template_film->_use_isdcf_name;
1747 _dcp_content_type = _template_film->_dcp_content_type;
1748 _container = _template_film->_container;
1749 _resolution = _template_film->_resolution;
1750 _j2k_bandwidth = _template_film->_j2k_bandwidth;
1751 _video_frame_rate = _template_film->_video_frame_rate;
1752 _encrypted = _template_film->_encrypted;
1753 _audio_channels = _template_film->_audio_channels;
1754 _sequence = _template_film->_sequence;
1755 _three_d = _template_film->_three_d;
1756 _interop = _template_film->_interop;
1757 _audio_processor = _template_film->_audio_processor;
1758 _reel_type = _template_film->_reel_type;
1759 _reel_length = _template_film->_reel_length;
1760 _isdcf_metadata = _template_film->_isdcf_metadata;
1763 pair<double, double>
1764 Film::speed_up_range (int dcp_frame_rate) const
1766 return _playlist->speed_up_range (dcp_frame_rate);
1770 Film::copy_from (shared_ptr<const Film> film)
1772 read_metadata (film->file (metadata_file));
1776 Film::references_dcp_video () const
1778 BOOST_FOREACH (shared_ptr<Content> i, _playlist->content()) {
1779 shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent>(i);
1780 if (d && d->reference_video()) {
1789 Film::references_dcp_audio () const
1791 BOOST_FOREACH (shared_ptr<Content> i, _playlist->content()) {
1792 shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent>(i);
1793 if (d && d->reference_audio()) {
1803 Film::contains_atmos_content () const
1805 BOOST_FOREACH (shared_ptr<Content> i, _playlist->content()) {
1816 Film::closed_caption_tracks () const
1818 list<DCPTextTrack> tt;
1819 BOOST_FOREACH (shared_ptr<Content> i, content()) {
1820 BOOST_FOREACH (shared_ptr<TextContent> j, i->text) {
1821 /* XXX: Empty DCPTextTrack ends up being a magic value here - the "unknown" or "not specified" track */
1822 DCPTextTrack dtt = j->dcp_track().get_value_or(DCPTextTrack());
1823 if (j->type() == TEXT_CLOSED_CAPTION && find(tt.begin(), tt.end(), dtt) == tt.end()) {
1833 Film::set_marker (dcp::Marker type, DCPTime time)
1835 ChangeSignaller<Film> ch (this, MARKERS);
1836 _markers[type] = time;
1840 Film::unset_marker (dcp::Marker type)
1842 ChangeSignaller<Film> ch (this, MARKERS);
1843 _markers.erase (type);
1848 Film::clear_markers ()
1850 ChangeSignaller<Film> ch (this, MARKERS);
1856 Film::set_ratings (vector<dcp::Rating> r)
1858 ChangeSignaller<Film> ch (this, RATINGS);
1863 Film::set_content_version (string v)
1865 ChangeSignaller<Film> ch (this, CONTENT_VERSION);
1866 _content_version = v;
1870 Film::marker (dcp::Marker type) const
1872 map<dcp::Marker, DCPTime>::const_iterator i = _markers.find (type);
1873 if (i == _markers.end()) {
1874 return optional<DCPTime>();
1879 shared_ptr<InfoFileHandle>
1880 Film::info_file_handle (DCPTimePeriod period, bool read) const
1882 return shared_ptr<InfoFileHandle> (new InfoFileHandle(_info_file_mutex, info_file(period), read));
1885 InfoFileHandle::InfoFileHandle (boost::mutex& mutex, boost::filesystem::path file, bool read)
1890 _handle = fopen_boost (file, "rb");
1892 throw OpenFileError (file, errno, OpenFileError::READ);
1895 bool const exists = boost::filesystem::exists (file);
1897 _handle = fopen_boost (file, "r+b");
1899 _handle = fopen_boost (file, "wb");
1903 throw OpenFileError (file, errno, exists ? OpenFileError::READ_WRITE : OpenFileError::WRITE);
1908 InfoFileHandle::~InfoFileHandle ()