2 Copyright (C) 2012-2021 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/>.
23 * @brief A representation of some audio and video content, and details of
24 * how they should be presented in a DCP.
28 #ifndef DCPOMATIC_FILM_H
29 #define DCPOMATIC_FILM_H
32 #include "change_signaller.h"
33 #include "dcp_text_track.h"
34 #include "frame_rate_change.h"
35 #include "signaller.h"
36 #include "transcode_job.h"
39 #include <dcp/encrypted_kdm.h>
41 #include <dcp/language_tag.h>
42 #include <dcp/rating.h>
43 #include <boost/filesystem.hpp>
44 #include <boost/signals2.hpp>
45 #include <boost/thread.hpp>
46 #include <boost/thread/mutex.hpp>
69 struct isdcf_name_test;
70 struct recover_test_2d_encrypted;
71 struct atmos_encrypted_passthrough_test;
77 InfoFileHandle (boost::mutex& mutex, boost::filesystem::path file, bool read);
84 boost::filesystem::path file () const {
91 boost::mutex::scoped_lock _lock;
93 boost::filesystem::path _file;
98 * @brief A representation of some audio, video, subtitle and closed-caption content,
99 * and details of how they should be presented in a DCP.
101 * The content of a Film is held in a Playlist (created and managed by the Film).
103 class Film : public std::enable_shared_from_this<Film>, public Signaller
106 explicit Film (boost::optional<boost::filesystem::path> dir);
109 Film (Film const&) = delete;
110 Film& operator= (Film const&) = delete;
112 std::shared_ptr<InfoFileHandle> info_file_handle (dcpomatic::DCPTimePeriod period, bool read) const;
113 boost::filesystem::path j2c_path (int, Frame, Eyes, bool) const;
114 boost::filesystem::path internal_video_asset_dir () const;
115 boost::filesystem::path internal_video_asset_filename (dcpomatic::DCPTimePeriod p) const;
117 boost::filesystem::path audio_analysis_path (std::shared_ptr<const Playlist>) const;
118 boost::filesystem::path subtitle_analysis_path (std::shared_ptr<const Content>) const;
120 void send_dcp_to_tms ();
123 * It is safe to call this from any thread.
125 std::shared_ptr<Log> log () const {
129 boost::filesystem::path file (boost::filesystem::path f) const;
130 boost::filesystem::path dir (boost::filesystem::path d, bool create = true) const;
132 void use_template (std::string name);
133 std::list<std::string> read_metadata (boost::optional<boost::filesystem::path> path = boost::optional<boost::filesystem::path> ());
134 void write_metadata () const;
135 void write_metadata (boost::filesystem::path path) const;
136 void write_template (boost::filesystem::path path) const;
137 std::shared_ptr<xmlpp::Document> metadata (bool with_content_paths = true) const;
139 void copy_from (std::shared_ptr<const Film> film);
141 std::string isdcf_name (bool if_created_now) const;
142 std::string dcp_name (bool if_created_now = false) const;
144 /** @return true if our state has changed since we last saved it */
145 bool dirty () const {
149 dcp::Size full_frame () const;
150 dcp::Size frame_size () const;
151 dcp::Size active_area () const;
153 std::vector<CPLSummary> cpls () const;
155 int audio_frame_rate () const;
157 std::list<DCPTextTrack> closed_caption_tracks () const;
159 uint64_t required_disk_space () const;
160 bool should_be_enough_disk_space (double& required, double& available, bool& can_hard_link) const;
162 bool has_sign_language_video_channel () const;
164 /* Proxies for some Playlist methods */
166 ContentList content () const;
167 dcpomatic::DCPTime length () const;
168 int best_video_frame_rate () const;
169 FrameRateChange active_frame_rate_change (dcpomatic::DCPTime) const;
170 std::pair<double, double> speed_up_range (int dcp_frame_rate) const;
172 dcp::EncryptedKDM make_kdm (
173 dcp::Certificate recipient,
174 std::vector<std::string> trusted_devices,
175 boost::filesystem::path cpl_file,
177 dcp::LocalTime until,
178 dcp::Formulation formulation,
179 bool disable_forensic_marking_picture,
180 boost::optional<int> disable_forensic_marking_audio
183 int state_version () const {
184 return _state_version;
187 std::vector<NamedChannel> audio_output_names () const;
189 void repeat_content (ContentList, int);
191 std::shared_ptr<const Playlist> playlist () const {
195 std::list<dcpomatic::DCPTimePeriod> reels () const;
196 std::list<int> mapped_audio_channels () const;
198 boost::optional<dcp::LanguageTag> audio_language () const {
199 return _audio_language;
202 /** @return pair containing the main subtitle language, and additional languages */
203 std::pair<boost::optional<dcp::LanguageTag>, std::vector<dcp::LanguageTag>> subtitle_languages () const;
205 std::string content_summary (dcpomatic::DCPTimePeriod period) const;
207 bool references_dcp_video () const;
208 bool references_dcp_audio () const;
209 bool contains_atmos_content () const;
211 void set_tolerant (bool t) {
215 bool tolerant () const {
219 /** Identifiers for the parts of our state;
220 used for signalling changes.
222 enum class Property {
226 /** The playlist's content list has changed (i.e. content has been added or removed) */
228 /** The order of content in the playlist has changed */
237 /** The setting of _three_d has changed */
251 SIGN_LANGUAGE_VIDEO_LANGUAGE,
261 TWO_D_VERSION_OF_THREE_D,
268 boost::optional<boost::filesystem::path> directory () const {
272 std::string name () const {
276 bool use_isdcf_name () const {
277 return _use_isdcf_name;
280 DCPContentType const * dcp_content_type () const {
281 return _dcp_content_type;
284 Ratio const * container () const {
288 Resolution resolution () const {
292 bool encrypted () const {
296 dcp::Key key () const {
300 int j2k_bandwidth () const {
301 return _j2k_bandwidth;
304 /** @return The frame rate of the DCP */
305 int video_frame_rate () const {
306 return _video_frame_rate;
309 int audio_channels () const {
310 return _audio_channels;
313 bool three_d () const {
317 bool sequence () const {
321 bool interop () const {
325 AudioProcessor const * audio_processor () const {
326 return _audio_processor;
329 ReelType reel_type () const {
333 int64_t reel_length () const {
337 std::string context_id () const {
341 bool reencode_j2k () const {
342 return _reencode_j2k;
345 typedef std::map<dcp::Marker, dcpomatic::DCPTime> Markers;
347 boost::optional<dcpomatic::DCPTime> marker (dcp::Marker type) const;
348 Markers markers () const {
352 std::vector<dcp::Rating> ratings () const {
356 std::vector<std::string> content_versions () const {
357 return _content_versions;
360 dcp::LanguageTag name_language () const {
361 return _name_language;
364 boost::optional<dcp::LanguageTag::RegionSubtag> release_territory () const {
365 return _release_territory;
368 boost::optional<dcp::LanguageTag> sign_language_video_language () const {
369 return _sign_language_video_language;
372 int version_number () const {
373 return _version_number;
376 dcp::Status status () const {
380 boost::optional<std::string> chain () const {
384 boost::optional<std::string> distributor () const {
388 boost::optional<std::string> facility () const {
392 boost::optional<std::string> studio () const {
396 bool temp_version () const {
397 return _temp_version;
400 bool pre_release () const {
404 bool red_band () const {
408 bool two_d_version_of_three_d () const {
409 return _two_d_version_of_three_d;
412 boost::optional<dcp::Luminance> luminance () const {
416 boost::gregorian::date isdcf_date () const {
422 void set_directory (boost::filesystem::path);
423 void set_name (std::string);
424 void set_use_isdcf_name (bool);
425 void examine_and_add_content (std::shared_ptr<Content> content, bool disable_audio_analysis = false);
426 void add_content (std::shared_ptr<Content>);
427 void remove_content (std::shared_ptr<Content>);
428 void remove_content (ContentList);
429 void move_content_earlier (std::shared_ptr<Content>);
430 void move_content_later (std::shared_ptr<Content>);
431 void set_dcp_content_type (DCPContentType const *);
432 void set_container (Ratio const *, bool user_explicit = true);
433 void set_resolution (Resolution, bool user_explicit = true);
434 void set_encrypted (bool);
435 void set_j2k_bandwidth (int);
436 void set_video_frame_rate (int rate, bool user_explicit = false);
437 void set_audio_channels (int);
438 void set_three_d (bool);
439 void set_isdcf_date_today ();
440 void set_sequence (bool);
441 void set_interop (bool);
442 void set_audio_processor (AudioProcessor const * processor);
443 void set_reel_type (ReelType);
444 void set_reel_length (int64_t);
445 void set_reencode_j2k (bool);
446 void set_marker (dcp::Marker type, dcpomatic::DCPTime time);
447 void unset_marker (dcp::Marker type);
448 void clear_markers ();
449 void set_ratings (std::vector<dcp::Rating> r);
450 void set_content_versions (std::vector<std::string> v);
451 void set_name_language (dcp::LanguageTag lang);
452 void set_release_territory (boost::optional<dcp::LanguageTag::RegionSubtag> region = boost::none);
453 void set_sign_language_video_language (boost::optional<dcp::LanguageTag> tag);
454 void set_version_number (int v);
455 void set_status (dcp::Status s);
456 void set_chain (boost::optional<std::string> c = boost::none);
457 void set_facility (boost::optional<std::string> f = boost::none);
458 void set_studio (boost::optional<std::string> s = boost::none);
459 void set_temp_version (bool t);
460 void set_pre_release (bool p);
461 void set_red_band (bool r);
462 void set_two_d_version_of_three_d (bool t);
463 void set_distributor (boost::optional<std::string> d = boost::none);
464 void set_luminance (boost::optional<dcp::Luminance> l = boost::none);
465 void set_audio_language (boost::optional<dcp::LanguageTag> language);
467 void add_ffoc_lfoc (Markers& markers) const;
469 /** Emitted when some property has of the Film is about to change or has changed */
470 mutable boost::signals2::signal<void (ChangeType, Property)> Change;
472 /** Emitted when some property of our content has changed */
473 mutable boost::signals2::signal<void (ChangeType, std::weak_ptr<Content>, int, bool)> ContentChange;
475 /** Emitted when the film's length might have changed; this is not like a normal
476 property as its value is derived from the playlist, so it has its own signal.
478 mutable boost::signals2::signal<void ()> LengthChange;
480 /** Emitted when we have something important to tell the user */
481 boost::signals2::signal<void (std::string)> Message;
483 /** Current version number of the state file */
484 static int const current_state_version;
488 friend struct ::isdcf_name_test;
489 friend struct ::recover_test_2d_encrypted;
490 friend struct ::atmos_encrypted_passthrough_test;
491 template <class, class> friend class ChangeSignaller;
493 boost::filesystem::path info_file (dcpomatic::DCPTimePeriod p) const;
495 void signal_change (ChangeType, Property);
496 void signal_change (ChangeType, int);
497 std::string video_identifier () const;
498 void playlist_change (ChangeType);
499 void playlist_order_changed ();
500 void playlist_content_change (ChangeType type, std::weak_ptr<Content>, int, bool frequent);
501 void playlist_length_change ();
502 void maybe_add_content (std::weak_ptr<Job>, std::weak_ptr<Content>, bool disable_audio_analysis);
503 void audio_analysis_finished ();
504 void check_settings_consistency ();
505 void maybe_set_container_and_resolution ();
507 /** Log to write to */
508 std::shared_ptr<Log> _log;
509 std::shared_ptr<Playlist> _playlist;
511 /** Complete path to directory containing the film metadata;
512 * must not be relative.
514 boost::optional<boost::filesystem::path> _directory;
516 /** Name for DCP-o-matic */
518 /** True if a auto-generated ISDCF-compliant name should be used for our DCP */
519 bool _use_isdcf_name;
520 /** The type of content that this Film represents (feature, trailer etc.) */
521 DCPContentType const * _dcp_content_type;
522 /** The container to put this Film in (flat, scope, etc.) */
523 Ratio const * _container;
524 /** DCP resolution (2K or 4K) */
525 Resolution _resolution;
528 /** context ID used when encrypting picture assets; we keep it so that we can
529 * re-start picture MXF encodes.
531 std::string _context_id;
532 /** bandwidth for J2K files in bits per second */
534 /** Frames per second to run our DCP at */
535 int _video_frame_rate;
536 /** The date that we should use in a ISDCF name */
537 boost::gregorian::date _isdcf_date;
538 /** Number of audio channels requested for the DCP */
540 /** If true, the DCP will be written in 3D mode; otherwise in 2D.
541 This will be regardless of what content is on the playlist.
546 AudioProcessor const * _audio_processor;
548 /** Desired reel length in bytes, if _reel_type == REELTYPE_BY_LENGTH */
549 int64_t _reel_length;
551 /** true if the user has ever explicitly set the video frame rate of this film */
552 bool _user_explicit_video_frame_rate;
553 bool _user_explicit_container;
554 bool _user_explicit_resolution;
555 std::map<dcp::Marker, dcpomatic::DCPTime> _markers;
556 std::vector<dcp::Rating> _ratings;
557 std::vector<std::string> _content_versions;
558 dcp::LanguageTag _name_language;
559 boost::optional<dcp::LanguageTag::RegionSubtag> _release_territory;
560 boost::optional<dcp::LanguageTag> _sign_language_video_language;
563 boost::optional<std::string> _chain;
564 boost::optional<std::string> _distributor;
565 boost::optional<std::string> _facility;
566 boost::optional<std::string> _studio;
567 bool _temp_version = false;
568 bool _pre_release = false;
569 bool _red_band = false;
570 bool _two_d_version_of_three_d = false;
571 boost::optional<dcp::Luminance> _luminance;
572 boost::optional<dcp::LanguageTag> _audio_language;
576 /** true if our state has changed since we last saved it */
578 /** film being used as a template, or 0 */
579 std::shared_ptr<Film> _template_film;
581 /** Be tolerant of errors in content (currently applies to DCP only).
586 mutable boost::mutex _info_file_mutex;
588 boost::signals2::scoped_connection _playlist_change_connection;
589 boost::signals2::scoped_connection _playlist_order_changed_connection;
590 boost::signals2::scoped_connection _playlist_content_change_connection;
591 boost::signals2::scoped_connection _playlist_length_change_connection;
592 std::list<boost::signals2::connection> _job_connections;
593 std::list<boost::signals2::connection> _audio_analysis_connections;
595 friend struct paths_test;
596 friend struct film_metadata_test;
600 typedef ChangeSignaller<Film, Film::Property> FilmChangeSignaller;