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)
152 , _context_id (dcp::make_uuid ())
153 , _j2k_bandwidth (Config::instance()->default_j2k_bandwidth ())
154 , _isdcf_metadata (Config::instance()->default_isdcf_metadata ())
155 , _video_frame_rate (24)
156 , _audio_channels (Config::instance()->default_dcp_audio_channels ())
159 , _interop (Config::instance()->default_interop ())
160 , _audio_processor (0)
161 , _reel_type (REELTYPE_SINGLE)
162 , _reel_length (2000000000)
163 , _upload_after_make_dcp (Config::instance()->default_upload_after_make_dcp())
164 , _reencode_j2k (false)
165 , _user_explicit_video_frame_rate (false)
166 , _user_explicit_container (false)
167 , _user_explicit_resolution (false)
168 , _state_version (current_state_version)
172 set_isdcf_date_today ();
174 _playlist_change_connection = _playlist->Change.connect (bind (&Film::playlist_change, this, _1));
175 _playlist_order_changed_connection = _playlist->OrderChange.connect (bind (&Film::playlist_order_changed, this));
176 _playlist_content_change_connection = _playlist->ContentChange.connect (bind (&Film::playlist_content_change, this, _1, _2, _3, _4));
177 _playlist_length_change_connection = _playlist->LengthChange.connect (bind(&Film::playlist_length_change, this));
180 /* Make state.directory a complete path without ..s (where possible)
181 (Code swiped from Adam Bowen on stackoverflow)
182 XXX: couldn't/shouldn't this just be boost::filesystem::canonical?
185 boost::filesystem::path p (boost::filesystem::system_complete (dir.get()));
186 boost::filesystem::path result;
187 for (boost::filesystem::path::iterator i = p.begin(); i != p.end(); ++i) {
189 boost::system::error_code ec;
190 if (boost::filesystem::is_symlink(result, ec) || result.filename() == "..") {
193 result = result.parent_path ();
195 } else if (*i != ".") {
200 set_directory (result.make_preferred ());
204 _log.reset (new FileLog (file ("log")));
206 _log.reset (new NullLog);
209 _playlist->set_sequence (_sequence);
214 BOOST_FOREACH (boost::signals2::connection& i, _job_connections) {
218 BOOST_FOREACH (boost::signals2::connection& i, _audio_analysis_connections) {
224 Film::video_identifier () const
226 DCPOMATIC_ASSERT (container ());
228 string s = container()->id()
229 + "_" + resolution_to_string (_resolution)
230 + "_" + _playlist->video_identifier()
231 + "_" + raw_convert<string>(_video_frame_rate)
232 + "_" + raw_convert<string>(j2k_bandwidth());
235 /* This is insecure but hey, the key is in plaintext in metadata.xml */
236 s += "_E" + _key.hex();
254 /** @return The file to write video frame info to */
255 boost::filesystem::path
256 Film::info_file (DCPTimePeriod period) const
258 boost::filesystem::path p;
260 p /= video_identifier () + "_" + raw_convert<string> (period.from.get()) + "_" + raw_convert<string> (period.to.get());
264 boost::filesystem::path
265 Film::internal_video_asset_dir () const
267 return dir ("video");
270 boost::filesystem::path
271 Film::internal_video_asset_filename (DCPTimePeriod p) const
273 return video_identifier() + "_" + raw_convert<string> (p.from.get()) + "_" + raw_convert<string> (p.to.get()) + ".mxf";
276 boost::filesystem::path
277 Film::audio_analysis_path (shared_ptr<const Playlist> playlist) const
279 boost::filesystem::path p = dir ("analysis");
282 BOOST_FOREACH (shared_ptr<Content> i, playlist->content ()) {
287 digester.add (i->digest ());
288 digester.add (i->audio->mapping().digest ());
289 if (playlist->content().size() != 1) {
290 /* Analyses should be considered equal regardless of gain
291 if they were made from just one piece of content. This
292 is because we can fake any gain change in a single-content
293 analysis at the plotting stage rather than having to
296 digester.add (i->audio->gain ());
300 if (audio_processor ()) {
301 digester.add (audio_processor()->id ());
304 digester.add (audio_channels());
306 p /= digester.get ();
311 boost::filesystem::path
312 Film::subtitle_analysis_path (shared_ptr<const Content> content) const
314 boost::filesystem::path p = dir ("analysis");
317 digester.add (content->digest());
319 if (!content->text.empty()) {
320 shared_ptr<TextContent> tc = content->text.front();
321 digester.add (tc->x_scale());
322 digester.add (tc->y_scale());
323 BOOST_FOREACH (shared_ptr<dcpomatic::Font> i, tc->fonts()) {
324 digester.add (i->id());
327 digester.add (tc->effect().get());
329 digester.add (tc->line_spacing());
330 digester.add (tc->outline_width());
333 shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<const FFmpegContent>(content);
335 digester.add (fc->subtitle_stream()->identifier());
338 p /= digester.get ();
343 /** Add suitable Jobs to the JobManager to create a DCP for this Film.
344 * @param gui true if this is being called from a GUI tool.
345 * @param check true to check the content in the project for changes before making the DCP.
348 Film::make_dcp (bool gui, bool check)
350 if (dcp_name().find ("/") != string::npos) {
351 throw BadSettingError (_("name"), _("Cannot contain slashes"));
354 if (container() == 0) {
355 throw MissingSettingError (_("container"));
358 if (content().empty()) {
359 throw runtime_error (_("You must add some content to the DCP before creating it"));
362 if (length() == DCPTime()) {
363 throw runtime_error (_("The DCP is empty, perhaps because all the content has zero length."));
366 if (dcp_content_type() == 0) {
367 throw MissingSettingError (_("content type"));
370 if (name().empty()) {
374 BOOST_FOREACH (shared_ptr<const Content> i, content ()) {
375 if (!i->paths_valid()) {
376 throw runtime_error (_("some of your content is missing"));
378 shared_ptr<const DCPContent> dcp = dynamic_pointer_cast<const DCPContent> (i);
379 if (dcp && dcp->needs_kdm()) {
380 throw runtime_error (_("Some of your content needs a KDM"));
382 if (dcp && dcp->needs_assets()) {
383 throw runtime_error (_("Some of your content needs an OV"));
387 set_isdcf_date_today ();
389 BOOST_FOREACH (string i, environment_info ()) {
393 BOOST_FOREACH (shared_ptr<const Content> i, content ()) {
394 LOG_GENERAL ("Content: %1", i->technical_summary());
396 LOG_GENERAL ("DCP video rate %1 fps", video_frame_rate());
397 if (Config::instance()->only_servers_encode ()) {
398 LOG_GENERAL_NC ("0 threads: ONLY SERVERS SET TO ENCODE");
400 LOG_GENERAL ("%1 threads", Config::instance()->master_encoding_threads());
402 LOG_GENERAL ("J2K bandwidth %1", j2k_bandwidth());
404 shared_ptr<TranscodeJob> tj (new TranscodeJob (shared_from_this()));
405 tj->set_encoder (shared_ptr<Encoder> (new DCPEncoder (shared_from_this(), tj)));
407 shared_ptr<CheckContentChangeJob> cc (new CheckContentChangeJob(shared_from_this(), tj, gui));
408 JobManager::instance()->add (cc);
410 JobManager::instance()->add (tj);
414 /** Start a job to send our DCP to the configured TMS */
416 Film::send_dcp_to_tms ()
418 shared_ptr<Job> j (new UploadJob (shared_from_this()));
419 JobManager::instance()->add (j);
422 shared_ptr<xmlpp::Document>
423 Film::metadata (bool with_content_paths) const
425 shared_ptr<xmlpp::Document> doc (new xmlpp::Document);
426 xmlpp::Element* root = doc->create_root_node ("Metadata");
428 root->add_child("Version")->add_child_text (raw_convert<string> (current_state_version));
429 root->add_child("Name")->add_child_text (_name);
430 root->add_child("UseISDCFName")->add_child_text (_use_isdcf_name ? "1" : "0");
432 if (_dcp_content_type) {
433 root->add_child("DCPContentType")->add_child_text (_dcp_content_type->isdcf_name ());
437 root->add_child("Container")->add_child_text (_container->id ());
440 root->add_child("Resolution")->add_child_text (resolution_to_string (_resolution));
441 root->add_child("J2KBandwidth")->add_child_text (raw_convert<string> (_j2k_bandwidth));
442 _isdcf_metadata.as_xml (root->add_child ("ISDCFMetadata"));
443 root->add_child("VideoFrameRate")->add_child_text (raw_convert<string> (_video_frame_rate));
444 root->add_child("ISDCFDate")->add_child_text (boost::gregorian::to_iso_string (_isdcf_date));
445 root->add_child("AudioChannels")->add_child_text (raw_convert<string> (_audio_channels));
446 root->add_child("ThreeD")->add_child_text (_three_d ? "1" : "0");
447 root->add_child("Sequence")->add_child_text (_sequence ? "1" : "0");
448 root->add_child("Interop")->add_child_text (_interop ? "1" : "0");
449 root->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
450 root->add_child("Key")->add_child_text (_key.hex ());
451 root->add_child("ContextID")->add_child_text (_context_id);
452 if (_audio_processor) {
453 root->add_child("AudioProcessor")->add_child_text (_audio_processor->id ());
455 root->add_child("ReelType")->add_child_text (raw_convert<string> (static_cast<int> (_reel_type)));
456 root->add_child("ReelLength")->add_child_text (raw_convert<string> (_reel_length));
457 root->add_child("UploadAfterMakeDCP")->add_child_text (_upload_after_make_dcp ? "1" : "0");
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 _upload_after_make_dcp = f.optional_bool_child("UploadAfterMakeDCP").get_value_or (false);
606 _reencode_j2k = f.optional_bool_child("ReencodeJ2K").get_value_or(false);
607 _user_explicit_video_frame_rate = f.optional_bool_child("UserExplicitVideoFrameRate").get_value_or(false);
609 BOOST_FOREACH (cxml::ConstNodePtr i, f.node_children("Marker")) {
610 _markers[dcp::marker_from_string(i->string_attribute("Type"))] = DCPTime(dcp::raw_convert<DCPTime::Type>(i->content()));
613 BOOST_FOREACH (cxml::ConstNodePtr i, f.node_children("Rating")) {
614 _ratings.push_back (dcp::Rating(i));
617 _content_version = f.optional_string_child("ContentVersion").get_value_or("");
619 /* Disable guessing for files made in previous DCP-o-matic versions */
620 _user_explicit_container = f.optional_bool_child("UserExplicitContainer").get_value_or(true);
621 _user_explicit_resolution = f.optional_bool_child("UserExplicitResolution").get_value_or(true);
624 _playlist->set_from_xml (shared_from_this(), f.node_child ("Playlist"), _state_version, notes);
626 /* Write backtraces to this film's directory, until another film is loaded */
628 set_backtrace_file (file ("backtrace.txt"));
635 /** Given a directory name, return its full path within the Film's directory.
636 * @param d directory name within the Film's directory.
637 * @param create true to create the directory (and its parents) if they do not exist.
639 boost::filesystem::path
640 Film::dir (boost::filesystem::path d, bool create) const
642 DCPOMATIC_ASSERT (_directory);
644 boost::filesystem::path p;
645 p /= _directory.get();
649 boost::filesystem::create_directories (p);
655 /** Given a file or directory name, return its full path within the Film's directory.
656 * Any required parent directories will be created.
658 boost::filesystem::path
659 Film::file (boost::filesystem::path f) const
661 DCPOMATIC_ASSERT (_directory);
663 boost::filesystem::path p;
664 p /= _directory.get();
667 boost::filesystem::create_directories (p.parent_path ());
673 Film::mapped_audio_channels () const
677 if (audio_processor ()) {
678 /* Processors are mapped 1:1 to DCP outputs so we can work out mappings from there */
679 for (int i = 0; i < audio_processor()->out_channels(); ++i) {
680 mapped.push_back (i);
683 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
685 list<int> c = i->audio->mapping().mapped_output_channels ();
686 copy (c.begin(), c.end(), back_inserter (mapped));
697 /** @return a ISDCF-compliant name for a DCP of this film */
699 Film::isdcf_name (bool if_created_now) const
703 string raw_name = name ();
705 /* Split the raw name up into words */
706 vector<string> words;
707 split (words, raw_name, is_any_of (" _-"));
711 /* Add each word to fixed_name */
712 for (vector<string>::const_iterator i = words.begin(); i != words.end(); ++i) {
715 /* First letter is always capitalised */
716 w[0] = toupper (w[0]);
718 /* Count caps in w */
720 for (size_t i = 0; i < w.size(); ++i) {
721 if (isupper (w[i])) {
726 /* If w is all caps make the rest of it lower case, otherwise
729 if (caps == w.size ()) {
730 for (size_t i = 1; i < w.size(); ++i) {
731 w[i] = tolower (w[i]);
735 for (size_t i = 0; i < w.size(); ++i) {
740 if (fixed_name.length() > 14) {
741 fixed_name = fixed_name.substr (0, 14);
746 if (dcp_content_type()) {
747 d += "_" + dcp_content_type()->isdcf_name();
748 d += "-" + raw_convert<string>(isdcf_metadata().content_version);
751 ISDCFMetadata const dm = isdcf_metadata ();
753 if (dm.temp_version) {
757 if (dm.pre_release) {
765 if (!dm.chain.empty ()) {
773 if (dm.two_d_version_of_three_d) {
777 if (!dm.mastered_luminance.empty ()) {
778 d += "-" + dm.mastered_luminance;
781 if (video_frame_rate() != 24) {
782 d += "-" + raw_convert<string>(video_frame_rate());
786 d += "_" + container()->isdcf_name();
789 /* XXX: this uses the first bit of content only */
791 /* Interior aspect ratio. The standard says we don't do this for trailers, for some strange reason */
792 if (dcp_content_type() && dcp_content_type()->libdcp_kind() != dcp::TRAILER) {
793 Ratio const * content_ratio = 0;
794 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
796 /* Here's the first piece of video content */
797 content_ratio = Ratio::nearest_from_ratio(i->video->scaled_size(frame_size()).ratio());
802 if (content_ratio && content_ratio != container()) {
803 /* This needs to be the numeric version of the ratio, and ::id() is close enough */
804 d += "-" + content_ratio->id();
808 if (!dm.audio_language.empty ()) {
809 d += "_" + dm.audio_language;
811 /* I'm not clear on the precise details of the convention for CCAP labelling;
812 for now I'm just appending -CCAP if we have any closed captions.
815 optional<string> subtitle_language;
816 bool burnt_in = true;
818 BOOST_FOREACH (shared_ptr<Content> i, content()) {
819 BOOST_FOREACH (shared_ptr<TextContent> j, i->text) {
820 if (j->type() == TEXT_OPEN_SUBTITLE && j->use()) {
821 subtitle_language = j->language ();
825 } else if (j->type() == TEXT_CLOSED_CAPTION && j->use()) {
831 if (dm.subtitle_language) {
832 /* Subtitle language is overridden in ISDCF metadata, primarily to handle
833 content with pre-burnt subtitles.
835 d += "-" + *dm.subtitle_language;
839 } else if (subtitle_language) {
840 /* Language is worked out from the content */
841 if (burnt_in && *subtitle_language != "XX") {
842 transform (subtitle_language->begin(), subtitle_language->end(), subtitle_language->begin(), ::tolower);
844 transform (subtitle_language->begin(), subtitle_language->end(), subtitle_language->begin(), ::toupper);
847 d += "-" + *subtitle_language;
857 if (!dm.territory.empty ()) {
858 d += "_" + dm.territory;
859 if (dm.rating.empty ()) {
862 d += "-" + dm.rating;
866 /* Count mapped audio channels */
868 list<int> mapped = mapped_audio_channels ();
870 pair<int, int> ch = audio_channel_types (mapped, audio_channels());
871 if (!ch.first && !ch.second) {
873 } else if (ch.first) {
874 d += String::compose("_%1%2", ch.first, ch.second);
877 if (audio_channels() > static_cast<int>(dcp::HI) && find(mapped.begin(), mapped.end(), dcp::HI) != mapped.end()) {
880 if (audio_channels() > static_cast<int>(dcp::VI) && find(mapped.begin(), mapped.end(), dcp::VI) != mapped.end()) {
884 d += "_" + resolution_to_string (_resolution);
886 if (!dm.studio.empty ()) {
887 d += "_" + dm.studio;
890 if (if_created_now) {
891 d += "_" + boost::gregorian::to_iso_string (boost::gregorian::day_clock::local_day ());
893 d += "_" + boost::gregorian::to_iso_string (_isdcf_date);
896 if (!dm.facility.empty ()) {
897 d += "_" + dm.facility;
911 BOOST_FOREACH (shared_ptr<Content> i, content ()) {
912 shared_ptr<const DCPContent> dc = dynamic_pointer_cast<const DCPContent> (i);
917 bool any_text = false;
918 for (int i = 0; i < TEXT_COUNT; ++i) {
919 if (dc->reference_text(static_cast<TextType>(i))) {
923 if (dc->reference_video() || dc->reference_audio() || any_text) {
937 /** @return name to give the DCP */
939 Film::dcp_name (bool if_created_now) const
942 if (use_isdcf_name()) {
943 return careful_string_filter (isdcf_name (if_created_now));
946 return careful_string_filter (name ());
950 Film::set_directory (boost::filesystem::path d)
957 Film::set_name (string n)
959 ChangeSignaller<Film> ch (this, NAME);
964 Film::set_use_isdcf_name (bool u)
966 ChangeSignaller<Film> ch (this, USE_ISDCF_NAME);
971 Film::set_dcp_content_type (DCPContentType const * t)
973 ChangeSignaller<Film> ch (this, DCP_CONTENT_TYPE);
974 _dcp_content_type = t;
978 /** @param explicit_user true if this is being set because of
979 * a direct user request, false if it is being done because
980 * DCP-o-matic is guessing the best container to use.
983 Film::set_container (Ratio const * c, bool explicit_user)
985 ChangeSignaller<Film> ch (this, CONTAINER);
989 _user_explicit_container = true;
994 /** @param explicit_user true if this is being set because of
995 * a direct user request, false if it is being done because
996 * DCP-o-matic is guessing the best resolution to use.
999 Film::set_resolution (Resolution r, bool explicit_user)
1001 ChangeSignaller<Film> ch (this, RESOLUTION);
1004 if (explicit_user) {
1005 _user_explicit_resolution = true;
1011 Film::set_j2k_bandwidth (int b)
1013 ChangeSignaller<Film> ch (this, J2K_BANDWIDTH);
1018 Film::set_isdcf_metadata (ISDCFMetadata m)
1020 ChangeSignaller<Film> ch (this, ISDCF_METADATA);
1021 _isdcf_metadata = m;
1024 /** @param f New frame rate.
1025 * @param user_explicit true if this comes from a direct user instruction, false if it is from
1026 * DCP-o-matic being helpful.
1029 Film::set_video_frame_rate (int f, bool user_explicit)
1031 ChangeSignaller<Film> ch (this, VIDEO_FRAME_RATE);
1032 _video_frame_rate = f;
1033 if (user_explicit) {
1034 _user_explicit_video_frame_rate = true;
1039 Film::set_audio_channels (int c)
1041 ChangeSignaller<Film> ch (this, AUDIO_CHANNELS);
1042 _audio_channels = c;
1046 Film::set_three_d (bool t)
1048 ChangeSignaller<Film> ch (this, THREE_D);
1051 if (_three_d && _isdcf_metadata.two_d_version_of_three_d) {
1052 ChangeSignaller<Film> ch (this, ISDCF_METADATA);
1053 _isdcf_metadata.two_d_version_of_three_d = false;
1058 Film::set_interop (bool i)
1060 ChangeSignaller<Film> ch (this, INTEROP);
1065 Film::set_audio_processor (AudioProcessor const * processor)
1067 ChangeSignaller<Film> ch1 (this, AUDIO_PROCESSOR);
1068 ChangeSignaller<Film> ch2 (this, AUDIO_CHANNELS);
1069 _audio_processor = processor;
1073 Film::set_reel_type (ReelType t)
1075 ChangeSignaller<Film> ch (this, REEL_TYPE);
1079 /** @param r Desired reel length in bytes */
1081 Film::set_reel_length (int64_t r)
1083 ChangeSignaller<Film> ch (this, REEL_LENGTH);
1088 Film::set_upload_after_make_dcp (bool u)
1090 ChangeSignaller<Film> ch (this, UPLOAD_AFTER_MAKE_DCP);
1091 _upload_after_make_dcp = u;
1095 Film::set_reencode_j2k (bool r)
1097 ChangeSignaller<Film> ch (this, REENCODE_J2K);
1102 Film::signal_change (ChangeType type, int p)
1104 signal_change (type, static_cast<Property>(p));
1108 Film::signal_change (ChangeType type, Property p)
1110 if (type == CHANGE_TYPE_DONE) {
1113 if (p == Film::CONTENT) {
1114 if (!_user_explicit_video_frame_rate) {
1115 set_video_frame_rate (best_video_frame_rate());
1119 emit (boost::bind (boost::ref (Change), type, p));
1121 if (p == Film::VIDEO_FRAME_RATE || p == Film::SEQUENCE) {
1122 /* We want to call Playlist::maybe_sequence but this must happen after the
1123 main signal emission (since the butler will see that emission and un-suspend itself).
1125 emit (boost::bind(&Playlist::maybe_sequence, _playlist.get(), shared_from_this()));
1133 Film::set_isdcf_date_today ()
1135 _isdcf_date = boost::gregorian::day_clock::local_day ();
1138 boost::filesystem::path
1139 Film::j2c_path (int reel, Frame frame, Eyes eyes, bool tmp) const
1141 boost::filesystem::path p;
1143 p /= video_identifier ();
1146 snprintf(buffer, sizeof(buffer), "%08d_%08" PRId64, reel, frame);
1149 if (eyes == EYES_LEFT) {
1151 } else if (eyes == EYES_RIGHT) {
1167 cpl_summary_compare (CPLSummary const & a, CPLSummary const & b)
1169 return a.last_write_time > b.last_write_time;
1172 /** Find all the DCPs in our directory that can be dcp::DCP::read() and return details of their CPLs.
1173 * The list will be returned in reverse order of timestamp (i.e. most recent first).
1178 if (!directory ()) {
1179 return vector<CPLSummary> ();
1182 vector<CPLSummary> out;
1184 boost::filesystem::path const dir = directory().get();
1185 for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator(dir); i != boost::filesystem::directory_iterator(); ++i) {
1187 boost::filesystem::is_directory (*i) &&
1188 i->path().leaf() != "j2c" && i->path().leaf() != "video" && i->path().leaf() != "info" && i->path().leaf() != "analysis"
1192 out.push_back (CPLSummary(*i));
1199 sort (out.begin(), out.end(), cpl_summary_compare);
1205 Film::set_encrypted (bool e)
1207 ChangeSignaller<Film> ch (this, ENCRYPTED);
1212 Film::set_key (dcp::Key key)
1214 ChangeSignaller<Film> ch (this, KEY);
1219 Film::content () const
1221 return _playlist->content ();
1224 /** @param content Content to add.
1225 * @param disable_audio_analysis true to never do automatic audio analysis, even if it is enabled in configuration.
1228 Film::examine_and_add_content (shared_ptr<Content> content, bool disable_audio_analysis)
1230 if (dynamic_pointer_cast<FFmpegContent> (content) && _directory) {
1231 run_ffprobe (content->path(0), file("ffprobe.log"));
1234 shared_ptr<Job> j (new ExamineContentJob (shared_from_this(), content));
1236 _job_connections.push_back (
1237 j->Finished.connect (bind (&Film::maybe_add_content, this, weak_ptr<Job>(j), weak_ptr<Content>(content), disable_audio_analysis))
1240 JobManager::instance()->add (j);
1244 Film::maybe_add_content (weak_ptr<Job> j, weak_ptr<Content> c, bool disable_audio_analysis)
1246 shared_ptr<Job> job = j.lock ();
1247 if (!job || !job->finished_ok ()) {
1251 shared_ptr<Content> content = c.lock ();
1256 add_content (content);
1258 if (Config::instance()->automatic_audio_analysis() && content->audio && !disable_audio_analysis) {
1259 shared_ptr<Playlist> playlist (new Playlist);
1260 playlist->add (shared_from_this(), content);
1261 boost::signals2::connection c;
1262 JobManager::instance()->analyse_audio (
1263 shared_from_this(), playlist, false, c, bind (&Film::audio_analysis_finished, this)
1265 _audio_analysis_connections.push_back (c);
1270 Film::add_content (shared_ptr<Content> c)
1272 /* Add {video,subtitle} content after any existing {video,subtitle} content */
1274 c->set_position (shared_from_this(), _playlist->video_end(shared_from_this()));
1275 } else if (!c->text.empty()) {
1276 c->set_position (shared_from_this(), _playlist->text_end(shared_from_this()));
1279 if (_template_film) {
1280 /* Take settings from the first piece of content of c's type in _template */
1281 BOOST_FOREACH (shared_ptr<Content> i, _template_film->content()) {
1282 c->take_settings_from (i);
1286 _playlist->add (shared_from_this(), c);
1288 maybe_set_container_and_resolution ();
1293 Film::maybe_set_container_and_resolution ()
1295 /* Get the only piece of video content, if there is only one */
1296 shared_ptr<VideoContent> video;
1297 BOOST_FOREACH (shared_ptr<const Content> i, _playlist->content()) {
1308 /* This is the only piece of video content in this Film. Use it to make a guess for
1309 * DCP container size and resolution, unless the user has already explicitly set these
1312 if (!_user_explicit_container) {
1313 if (video->size().ratio() > 2.3) {
1314 set_container (Ratio::from_id("239"), false);
1316 set_container (Ratio::from_id("185"), false);
1320 if (!_user_explicit_resolution) {
1321 if (video->size_after_crop().width > 2048 || video->size_after_crop().height > 1080) {
1322 set_resolution (RESOLUTION_4K, false);
1324 set_resolution (RESOLUTION_2K, false);
1331 Film::remove_content (shared_ptr<Content> c)
1333 _playlist->remove (c);
1334 maybe_set_container_and_resolution ();
1338 Film::move_content_earlier (shared_ptr<Content> c)
1340 _playlist->move_earlier (shared_from_this(), c);
1344 Film::move_content_later (shared_ptr<Content> c)
1346 _playlist->move_later (shared_from_this(), c);
1349 /** @return length of the film from time 0 to the last thing on the playlist,
1350 * with a minimum length of 1 second.
1353 Film::length () const
1355 return max(DCPTime::from_seconds(1), _playlist->length(shared_from_this()).ceil(video_frame_rate()));
1359 Film::best_video_frame_rate () const
1361 /* Don't default to anything above 30fps (make the user select that explicitly) */
1362 int best = _playlist->best_video_frame_rate ();
1370 Film::active_frame_rate_change (DCPTime t) const
1372 return _playlist->active_frame_rate_change (t, video_frame_rate ());
1376 Film::playlist_content_change (ChangeType type, weak_ptr<Content> c, int p, bool frequent)
1378 if (p == ContentProperty::VIDEO_FRAME_RATE) {
1379 signal_change (type, Film::CONTENT);
1380 } else if (p == AudioContentProperty::STREAMS) {
1381 signal_change (type, Film::NAME);
1384 if (type == CHANGE_TYPE_DONE) {
1385 emit (boost::bind (boost::ref (ContentChange), type, c, p, frequent));
1387 check_settings_consistency ();
1390 ContentChange (type, c, p, frequent);
1395 Film::playlist_length_change ()
1401 Film::playlist_change (ChangeType type)
1403 signal_change (type, CONTENT);
1404 signal_change (type, NAME);
1406 if (type == CHANGE_TYPE_DONE) {
1407 check_settings_consistency ();
1411 /** Check for (and if necessary fix) impossible settings combinations, like
1412 * video set to being referenced when it can't be.
1415 Film::check_settings_consistency ()
1417 bool change_made = false;
1418 BOOST_FOREACH (shared_ptr<Content> i, content()) {
1419 shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent>(i);
1425 if (d->reference_video() && !d->can_reference_video(shared_from_this(), why_not)) {
1426 d->set_reference_video(false);
1429 if (d->reference_audio() && !d->can_reference_audio(shared_from_this(), why_not)) {
1430 d->set_reference_audio(false);
1436 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."));
1441 Film::playlist_order_changed ()
1443 /* XXX: missing PENDING */
1444 signal_change (CHANGE_TYPE_DONE, CONTENT_ORDER);
1448 Film::audio_frame_rate () const
1450 /* It seems that nobody makes 96kHz DCPs at the moment, so let's avoid them.
1457 Film::set_sequence (bool s)
1459 if (s == _sequence) {
1463 ChangeSignaller<Film> cc (this, SEQUENCE);
1465 _playlist->set_sequence (s);
1468 /** @return Size of the largest possible image in whatever resolution we are using */
1470 Film::full_frame () const
1472 switch (_resolution) {
1474 return dcp::Size (2048, 1080);
1476 return dcp::Size (4096, 2160);
1479 DCPOMATIC_ASSERT (false);
1480 return dcp::Size ();
1483 /** @return Size of the frame */
1485 Film::frame_size () const
1487 return fit_ratio_within (container()->ratio(), full_frame ());
1490 /** @param recipient KDM recipient certificate.
1491 * @param trusted_devices Certificate thumbprints of other trusted devices (can be empty).
1492 * @param cpl_file CPL filename.
1493 * @param from KDM from time expressed as a local time with an offset from UTC.
1494 * @param until KDM to time expressed as a local time with an offset from UTC.
1495 * @param formulation KDM formulation to use.
1496 * @param disable_forensic_marking_picture true to disable forensic marking of picture.
1497 * @param disable_forensic_marking_audio if not set, don't disable forensic marking of audio. If set to 0,
1498 * disable all forensic marking; if set above 0, disable forensic marking above that channel.
1502 dcp::Certificate recipient,
1503 vector<string> trusted_devices,
1504 boost::filesystem::path cpl_file,
1505 dcp::LocalTime from,
1506 dcp::LocalTime until,
1507 dcp::Formulation formulation,
1508 bool disable_forensic_marking_picture,
1509 optional<int> disable_forensic_marking_audio
1513 throw runtime_error (_("Cannot make a KDM as this project is not encrypted."));
1516 shared_ptr<const dcp::CPL> cpl (new dcp::CPL (cpl_file));
1517 shared_ptr<const dcp::CertificateChain> signer = Config::instance()->signer_chain ();
1518 if (!signer->valid ()) {
1519 throw InvalidSignerError ();
1522 /* Find keys that have been added to imported, encrypted DCP content */
1523 list<dcp::DecryptedKDMKey> imported_keys;
1524 BOOST_FOREACH (shared_ptr<Content> i, content()) {
1525 shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent> (i);
1526 if (d && d->kdm()) {
1527 dcp::DecryptedKDM kdm (d->kdm().get(), Config::instance()->decryption_chain()->key().get());
1528 list<dcp::DecryptedKDMKey> keys = kdm.keys ();
1529 copy (keys.begin(), keys.end(), back_inserter (imported_keys));
1533 map<shared_ptr<const dcp::ReelMXF>, dcp::Key> keys;
1535 BOOST_FOREACH(shared_ptr<const dcp::ReelMXF> i, cpl->reel_mxfs()) {
1540 /* Get any imported key for this ID */
1542 BOOST_FOREACH (dcp::DecryptedKDMKey j, imported_keys) {
1543 if (j.id() == i->key_id().get()) {
1544 LOG_GENERAL ("Using imported key for %1", i->key_id().get());
1551 /* No imported key; it must be an asset that we encrypted */
1552 LOG_GENERAL ("Using our own key for %1", i->key_id().get());
1557 return dcp::DecryptedKDM (
1558 cpl->id(), keys, from, until, cpl->content_title_text(), cpl->content_title_text(), dcp::LocalTime().as_string()
1559 ).encrypt (signer, recipient, trusted_devices, formulation, disable_forensic_marking_picture, disable_forensic_marking_audio);
1563 /** @return The approximate disk space required to encode a DCP of this film with the
1564 * current settings, in bytes.
1567 Film::required_disk_space () const
1569 return _playlist->required_disk_space (shared_from_this(), j2k_bandwidth(), audio_channels(), audio_frame_rate());
1572 /** This method checks the disk that the Film is on and tries to decide whether or not
1573 * there will be enough space to make a DCP for it. If so, true is returned; if not,
1574 * false is returned and required and available are filled in with the amount of disk space
1575 * required and available respectively (in GB).
1577 * Note: the decision made by this method isn't, of course, 100% reliable.
1580 Film::should_be_enough_disk_space (double& required, double& available, bool& can_hard_link) const
1582 /* Create a test file and see if we can hard-link it */
1583 boost::filesystem::path test = internal_video_asset_dir() / "test";
1584 boost::filesystem::path test2 = internal_video_asset_dir() / "test2";
1585 can_hard_link = true;
1586 FILE* f = fopen_boost (test, "w");
1589 boost::system::error_code ec;
1590 boost::filesystem::create_hard_link (test, test2, ec);
1592 can_hard_link = false;
1594 boost::filesystem::remove (test);
1595 boost::filesystem::remove (test2);
1598 boost::filesystem::space_info s = boost::filesystem::space (internal_video_asset_dir ());
1599 required = double (required_disk_space ()) / 1073741824.0f;
1600 if (!can_hard_link) {
1603 available = double (s.available) / 1073741824.0f;
1604 return (available - required) > 1;
1608 Film::subtitle_language () const
1610 set<string> languages;
1612 BOOST_FOREACH (shared_ptr<Content> i, content()) {
1613 BOOST_FOREACH (shared_ptr<TextContent> j, i->text) {
1614 languages.insert (j->language ());
1619 BOOST_FOREACH (string s, languages) {
1620 if (!all.empty ()) {
1630 /** @return The names of the channels that audio contents' outputs are passed into;
1631 * this is either the DCP or a AudioProcessor.
1634 Film::audio_output_names () const
1636 if (audio_processor ()) {
1637 return audio_processor()->input_names ();
1640 DCPOMATIC_ASSERT (MAX_DCP_AUDIO_CHANNELS == 16);
1644 for (int i = 0; i < audio_channels(); ++i) {
1645 n.push_back (short_audio_channel_name (i));
1652 Film::repeat_content (ContentList c, int n)
1654 _playlist->repeat (shared_from_this(), c, n);
1658 Film::remove_content (ContentList c)
1660 _playlist->remove (c);
1664 Film::audio_analysis_finished ()
1670 Film::reels () const
1672 list<DCPTimePeriod> p;
1673 DCPTime const len = length();
1675 switch (reel_type ()) {
1676 case REELTYPE_SINGLE:
1677 p.push_back (DCPTimePeriod (DCPTime (), len));
1679 case REELTYPE_BY_VIDEO_CONTENT:
1681 /* Collect all reel boundaries */
1682 list<DCPTime> split_points;
1683 split_points.push_back (DCPTime());
1684 split_points.push_back (len);
1685 BOOST_FOREACH (shared_ptr<Content> c, content()) {
1687 BOOST_FOREACH (DCPTime t, c->reel_split_points(shared_from_this())) {
1688 split_points.push_back (t);
1690 split_points.push_back (c->end(shared_from_this()));
1694 split_points.sort ();
1695 split_points.unique ();
1697 /* Make them into periods, coalescing any that are less than 1 second long */
1698 optional<DCPTime> last;
1699 BOOST_FOREACH (DCPTime t, split_points) {
1700 if (last && (t - *last) >= DCPTime::from_seconds(1)) {
1701 /* Period from *last to t is long enough; use it and start a new one */
1702 p.push_back (DCPTimePeriod(*last, t));
1705 /* That was the first time, so start a new period */
1711 case REELTYPE_BY_LENGTH:
1714 /* Integer-divide reel length by the size of one frame to give the number of frames per reel,
1715 * making sure we don't go less than 1s long.
1717 Frame const reel_in_frames = max(_reel_length / ((j2k_bandwidth() / video_frame_rate()) / 8), static_cast<Frame>(video_frame_rate()));
1718 while (current < len) {
1719 DCPTime end = min (len, current + DCPTime::from_frames (reel_in_frames, video_frame_rate ()));
1720 p.push_back (DCPTimePeriod (current, end));
1730 /** @param period A period within the DCP
1731 * @return Name of the content which most contributes to the given period.
1734 Film::content_summary (DCPTimePeriod period) const
1736 return _playlist->content_summary (shared_from_this(), period);
1740 Film::use_template (string name)
1742 _template_film.reset (new Film (optional<boost::filesystem::path>()));
1743 _template_film->read_metadata (Config::instance()->template_path (name));
1744 _use_isdcf_name = _template_film->_use_isdcf_name;
1745 _dcp_content_type = _template_film->_dcp_content_type;
1746 _container = _template_film->_container;
1747 _resolution = _template_film->_resolution;
1748 _j2k_bandwidth = _template_film->_j2k_bandwidth;
1749 _video_frame_rate = _template_film->_video_frame_rate;
1750 _encrypted = _template_film->_encrypted;
1751 _audio_channels = _template_film->_audio_channels;
1752 _sequence = _template_film->_sequence;
1753 _three_d = _template_film->_three_d;
1754 _interop = _template_film->_interop;
1755 _audio_processor = _template_film->_audio_processor;
1756 _reel_type = _template_film->_reel_type;
1757 _reel_length = _template_film->_reel_length;
1758 _upload_after_make_dcp = _template_film->_upload_after_make_dcp;
1759 _isdcf_metadata = _template_film->_isdcf_metadata;
1762 pair<double, double>
1763 Film::speed_up_range (int dcp_frame_rate) const
1765 return _playlist->speed_up_range (dcp_frame_rate);
1769 Film::copy_from (shared_ptr<const Film> film)
1771 read_metadata (film->file (metadata_file));
1775 Film::references_dcp_video () const
1777 BOOST_FOREACH (shared_ptr<Content> i, _playlist->content()) {
1778 shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent>(i);
1779 if (d && d->reference_video()) {
1788 Film::references_dcp_audio () const
1790 BOOST_FOREACH (shared_ptr<Content> i, _playlist->content()) {
1791 shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent>(i);
1792 if (d && d->reference_audio()) {
1801 Film::closed_caption_tracks () const
1803 list<DCPTextTrack> tt;
1804 BOOST_FOREACH (shared_ptr<Content> i, content()) {
1805 BOOST_FOREACH (shared_ptr<TextContent> j, i->text) {
1806 /* XXX: Empty DCPTextTrack ends up being a magic value here - the "unknown" or "not specified" track */
1807 DCPTextTrack dtt = j->dcp_track().get_value_or(DCPTextTrack());
1808 if (j->type() == TEXT_CLOSED_CAPTION && find(tt.begin(), tt.end(), dtt) == tt.end()) {
1818 Film::set_marker (dcp::Marker type, DCPTime time)
1820 ChangeSignaller<Film> ch (this, MARKERS);
1821 _markers[type] = time;
1825 Film::unset_marker (dcp::Marker type)
1827 ChangeSignaller<Film> ch (this, MARKERS);
1828 _markers.erase (type);
1833 Film::clear_markers ()
1835 ChangeSignaller<Film> ch (this, MARKERS);
1841 Film::set_ratings (vector<dcp::Rating> r)
1843 ChangeSignaller<Film> ch (this, RATINGS);
1848 Film::set_content_version (string v)
1850 ChangeSignaller<Film> ch (this, CONTENT_VERSION);
1851 _content_version = v;
1855 Film::marker (dcp::Marker type) const
1857 map<dcp::Marker, DCPTime>::const_iterator i = _markers.find (type);
1858 if (i == _markers.end()) {
1859 return optional<DCPTime>();
1864 shared_ptr<InfoFileHandle>
1865 Film::info_file_handle (DCPTimePeriod period, bool read) const
1867 return shared_ptr<InfoFileHandle> (new InfoFileHandle(_info_file_mutex, info_file(period), read));
1870 InfoFileHandle::InfoFileHandle (boost::mutex& mutex, boost::filesystem::path file, bool read)
1875 _handle = fopen_boost (file, "rb");
1877 throw OpenFileError (file, errno, OpenFileError::READ);
1880 bool const exists = boost::filesystem::exists (file);
1882 _handle = fopen_boost (file, "r+b");
1884 _handle = fopen_boost (file, "wb");
1888 throw OpenFileError (file, errno, exists ? OpenFileError::READ_WRITE : OpenFileError::WRITE);
1893 InfoFileHandle::~InfoFileHandle ()