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 "dcpomatic_time.h"
35 #include "frame_rate_change.h"
36 #include "named_channel.h"
37 #include "resolution.h"
38 #include "signaller.h"
39 #include "transcode_job.h"
42 #include <dcp/encrypted_kdm.h>
45 #include <dcp/language_tag.h>
46 #include <dcp/rating.h>
47 #include <boost/filesystem.hpp>
48 #include <boost/signals2.hpp>
49 #include <boost/thread.hpp>
50 #include <boost/thread/mutex.hpp>
73 struct isdcf_name_test;
74 struct isdcf_name_with_atmos;
75 struct recover_test_2d_encrypted;
76 struct atmos_encrypted_passthrough_test;
82 InfoFileHandle (boost::mutex& mutex, boost::filesystem::path file, bool read);
91 boost::mutex::scoped_lock _lock;
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 ();
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 std::list<DCPTextTrack> closed_caption_tracks () const;
157 uint64_t required_disk_space () const;
158 bool should_be_enough_disk_space (double& required, double& available, bool& can_hard_link) const;
160 bool has_sign_language_video_channel () const;
162 /* Proxies for some Playlist methods */
164 ContentList content () const;
165 dcpomatic::DCPTime length () const;
166 int best_video_frame_rate () const;
167 FrameRateChange active_frame_rate_change (dcpomatic::DCPTime) const;
168 std::pair<double, double> speed_up_range (int dcp_frame_rate) const;
170 dcp::DecryptedKDM make_kdm(boost::filesystem::path cpl_file, dcp::LocalTime from, dcp::LocalTime until) const;
172 int state_version () const {
173 return _state_version;
176 std::vector<NamedChannel> audio_output_names () const;
178 void repeat_content (ContentList, int);
180 std::shared_ptr<const Playlist> playlist () const {
184 std::list<dcpomatic::DCPTimePeriod> reels () const;
185 std::list<int> mapped_audio_channels () const;
187 boost::optional<dcp::LanguageTag> audio_language () const {
188 return _audio_language;
191 /** @return pair containing the main subtitle language, and additional languages */
192 std::pair<boost::optional<dcp::LanguageTag>, std::vector<dcp::LanguageTag>> subtitle_languages () const;
194 std::string content_summary (dcpomatic::DCPTimePeriod period) const;
196 bool references_dcp_video () const;
197 bool references_dcp_audio () const;
198 bool contains_atmos_content () const;
200 void set_tolerant (bool t) {
204 bool tolerant () const {
208 bool last_written_by_earlier_than(int major, int minor, int micro) const;
210 /** Identifiers for the parts of our state; used for signalling changes */
211 enum class Property {
215 /** The playlist's content list has changed (i.e. content has been added or removed) */
217 /** The order of content in the playlist has changed */
227 /** The setting of _three_d has changed */
242 SIGN_LANGUAGE_VIDEO_LANGUAGE,
252 TWO_D_VERSION_OF_THREE_D,
259 boost::optional<boost::filesystem::path> directory () const {
263 std::string name () const {
267 bool use_isdcf_name () const {
268 return _use_isdcf_name;
271 DCPContentType const * dcp_content_type () const {
272 return _dcp_content_type;
275 Ratio const * container () const {
279 Resolution resolution () const {
283 bool encrypted () const {
287 dcp::Key key () const {
291 int j2k_bandwidth () const {
292 return _j2k_bandwidth;
295 /** @return The frame rate of the DCP */
296 int video_frame_rate () const {
297 return _video_frame_rate;
300 int audio_channels () const {
301 return _audio_channels;
304 bool three_d () const {
308 bool sequence () const {
312 bool interop () const {
316 bool limit_to_smpte_bv20() const {
317 return _limit_to_smpte_bv20;
320 AudioProcessor const * audio_processor () const {
321 return _audio_processor;
324 ReelType reel_type () const {
328 int64_t reel_length () const {
332 std::string context_id () const {
336 bool reencode_j2k () const {
337 return _reencode_j2k;
340 typedef std::map<dcp::Marker, dcpomatic::DCPTime> Markers;
342 boost::optional<dcpomatic::DCPTime> marker (dcp::Marker type) const;
343 Markers markers () const {
347 std::vector<dcp::Rating> ratings () const {
351 std::vector<std::string> content_versions () const {
352 return _content_versions;
355 dcp::LanguageTag name_language () const {
356 return _name_language;
359 boost::optional<dcp::LanguageTag::RegionSubtag> release_territory () const {
360 return _release_territory;
363 boost::optional<dcp::LanguageTag> sign_language_video_language () const {
364 return _sign_language_video_language;
367 int version_number () const {
368 return _version_number;
371 dcp::Status status () const {
375 boost::optional<std::string> chain () const {
379 boost::optional<std::string> distributor () const {
383 boost::optional<std::string> facility () const {
387 boost::optional<std::string> studio () const {
391 bool temp_version () const {
392 return _temp_version;
395 bool pre_release () const {
399 bool red_band () const {
403 bool two_d_version_of_three_d () const {
404 return _two_d_version_of_three_d;
407 boost::optional<dcp::Luminance> luminance () const {
411 boost::gregorian::date isdcf_date () const {
415 int audio_frame_rate () const {
416 return _audio_frame_rate;
421 void set_directory (boost::filesystem::path);
422 void set_name (std::string);
423 void set_use_isdcf_name (bool);
424 void examine_and_add_content (std::shared_ptr<Content> content, bool disable_audio_analysis = false);
425 void add_content (std::shared_ptr<Content>);
426 void remove_content (std::shared_ptr<Content>);
427 void remove_content (ContentList);
428 void move_content_earlier (std::shared_ptr<Content>);
429 void move_content_later (std::shared_ptr<Content>);
430 void set_dcp_content_type (DCPContentType const *);
431 void set_container (Ratio const *, bool user_explicit = true);
432 void set_resolution (Resolution, bool user_explicit = true);
433 void set_encrypted (bool);
434 void set_j2k_bandwidth (int);
435 void set_video_frame_rate (int rate, bool user_explicit = false);
436 void set_audio_channels (int);
437 void set_three_d (bool);
438 void set_isdcf_date_today ();
439 void set_sequence (bool);
440 void set_interop (bool);
441 void set_limit_to_smpte_bv20(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);
466 void set_audio_frame_rate (int rate);
468 void add_ffoc_lfoc (Markers& markers) const;
470 /** Emitted when some property has of the Film is about to change or has changed */
471 mutable boost::signals2::signal<void (ChangeType, Property)> Change;
473 /** Emitted when some property of our content has changed */
474 mutable boost::signals2::signal<void (ChangeType, std::weak_ptr<Content>, int, bool)> ContentChange;
476 /** Emitted when the film's length might have changed; this is not like a normal
477 property as its value is derived from the playlist, so it has its own signal.
479 mutable boost::signals2::signal<void ()> LengthChange;
481 boost::signals2::signal<void (bool)> DirtyChange;
483 /** Emitted when we have something important to tell the user */
484 boost::signals2::signal<void (std::string)> Message;
486 /** Current version number of the state file */
487 static int const current_state_version;
491 friend struct ::isdcf_name_test;
492 friend struct ::isdcf_name_with_atmos;
493 friend struct ::recover_test_2d_encrypted;
494 friend struct ::atmos_encrypted_passthrough_test;
495 template <class, class> friend class ChangeSignaller;
497 boost::filesystem::path info_file (dcpomatic::DCPTimePeriod p) const;
499 void signal_change (ChangeType, Property);
500 void signal_change (ChangeType, int);
501 std::string video_identifier () const;
502 void playlist_change (ChangeType);
503 void playlist_order_changed ();
504 void playlist_content_change (ChangeType type, std::weak_ptr<Content>, int, bool frequent);
505 void playlist_length_change ();
506 void maybe_add_content (std::weak_ptr<Job>, std::weak_ptr<Content>, bool disable_audio_analysis);
507 void audio_analysis_finished ();
508 void check_settings_consistency ();
509 void maybe_set_container_and_resolution ();
510 void set_dirty (bool dirty);
512 /** Log to write to */
513 std::shared_ptr<Log> _log;
514 std::shared_ptr<Playlist> _playlist;
516 /** Complete path to directory containing the film metadata;
517 * must not be relative.
519 boost::optional<boost::filesystem::path> _directory;
521 boost::optional<std::string> _last_written_by;
523 /** Name for DCP-o-matic */
525 /** True if a auto-generated ISDCF-compliant name should be used for our DCP */
526 bool _use_isdcf_name;
527 /** The type of content that this Film represents (feature, trailer etc.) */
528 DCPContentType const * _dcp_content_type;
529 /** The container to put this Film in (flat, scope, etc.) */
530 Ratio const * _container;
531 /** DCP resolution (2K or 4K) */
532 Resolution _resolution;
535 /** context ID used when encrypting picture assets; we keep it so that we can
536 * re-start picture MXF encodes.
538 std::string _context_id;
539 /** bandwidth for J2K files in bits per second */
541 /** Frames per second to run our DCP at */
542 int _video_frame_rate;
543 /** The date that we should use in a ISDCF name */
544 boost::gregorian::date _isdcf_date;
545 /** Number of audio channels requested for the DCP */
547 /** If true, the DCP will be written in 3D mode; otherwise in 2D.
548 This will be regardless of what content is on the playlist.
553 bool _limit_to_smpte_bv20;
554 AudioProcessor const * _audio_processor;
556 /** Desired reel length in bytes, if _reel_type == REELTYPE_BY_LENGTH */
557 int64_t _reel_length;
559 /** true if the user has ever explicitly set the video frame rate of this film */
560 bool _user_explicit_video_frame_rate;
561 bool _user_explicit_container;
562 bool _user_explicit_resolution;
563 std::map<dcp::Marker, dcpomatic::DCPTime> _markers;
564 std::vector<dcp::Rating> _ratings;
565 std::vector<std::string> _content_versions;
566 dcp::LanguageTag _name_language;
567 boost::optional<dcp::LanguageTag::RegionSubtag> _release_territory;
568 boost::optional<dcp::LanguageTag> _sign_language_video_language;
571 boost::optional<std::string> _chain;
572 boost::optional<std::string> _distributor;
573 boost::optional<std::string> _facility;
574 boost::optional<std::string> _studio;
575 bool _temp_version = false;
576 bool _pre_release = false;
577 bool _red_band = false;
578 bool _two_d_version_of_three_d = false;
579 boost::optional<dcp::Luminance> _luminance;
580 boost::optional<dcp::LanguageTag> _audio_language;
581 int _audio_frame_rate = 48000;
585 /** true if our state has changed since we last saved it */
587 /** film being used as a template, or 0 */
588 std::shared_ptr<Film> _template_film;
590 /** Be tolerant of errors in content (currently applies to DCP only).
595 mutable boost::mutex _info_file_mutex;
597 boost::signals2::scoped_connection _playlist_change_connection;
598 boost::signals2::scoped_connection _playlist_order_changed_connection;
599 boost::signals2::scoped_connection _playlist_content_change_connection;
600 boost::signals2::scoped_connection _playlist_length_change_connection;
601 std::list<boost::signals2::connection> _job_connections;
602 std::list<boost::signals2::connection> _audio_analysis_connections;
604 friend struct paths_test;
605 friend struct film_metadata_test;
609 typedef ChangeSignaller<Film, Film::Property> FilmChangeSignaller;