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 "enum_indexed_vector.h"
36 #include "film_property.h"
37 #include "frame_rate_change.h"
38 #include "named_channel.h"
39 #include "resolution.h"
40 #include "signaller.h"
41 #include "territory_type.h"
42 #include "transcode_job.h"
45 #include "video_encoding.h"
46 #include <dcp/encrypted_kdm.h>
49 #include <dcp/language_tag.h>
50 #include <dcp/rating.h>
51 #include <dcp/types.h>
52 #include <boost/filesystem.hpp>
53 #include <boost/signals2.hpp>
54 #include <boost/thread.hpp>
55 #include <boost/thread/mutex.hpp>
78 struct atmos_encrypted_passthrough_test;
79 struct isdcf_name_test;
80 struct isdcf_name_with_atmos;
81 struct isdcf_name_with_ccap;
82 struct ov_subs_in_vf_name;
83 struct recover_test_2d_encrypted;
89 InfoFileHandle (boost::mutex& mutex, boost::filesystem::path file, bool read);
98 boost::mutex::scoped_lock _lock;
105 * @brief A representation of some audio, video, subtitle and closed-caption content,
106 * and details of how they should be presented in a DCP.
108 * The content of a Film is held in a Playlist (created and managed by the Film).
110 class Film : public std::enable_shared_from_this<Film>, public Signaller
113 explicit Film (boost::optional<boost::filesystem::path> dir);
116 Film (Film const&) = delete;
117 Film& operator= (Film const&) = delete;
119 std::shared_ptr<InfoFileHandle> info_file_handle (dcpomatic::DCPTimePeriod period, bool read) const;
120 boost::filesystem::path j2c_path (int, Frame, Eyes, bool) const;
121 boost::filesystem::path internal_video_asset_dir () const;
122 boost::filesystem::path internal_video_asset_filename (dcpomatic::DCPTimePeriod p) const;
124 boost::filesystem::path audio_analysis_path (std::shared_ptr<const Playlist>) const;
125 boost::filesystem::path subtitle_analysis_path (std::shared_ptr<const Content>) const;
127 void send_dcp_to_tms ();
130 * It is safe to call this from any thread.
132 std::shared_ptr<Log> log () const {
136 boost::filesystem::path file (boost::filesystem::path f) const;
137 boost::filesystem::path dir (boost::filesystem::path d, bool create = true) const;
139 void use_template (std::string name);
140 std::list<std::string> read_metadata (boost::optional<boost::filesystem::path> path = boost::optional<boost::filesystem::path> ());
141 void write_metadata ();
142 void write_metadata (boost::filesystem::path path) const;
143 void write_template (boost::filesystem::path path) const;
144 std::shared_ptr<xmlpp::Document> metadata (bool with_content_paths = true) const;
146 void copy_from (std::shared_ptr<const Film> film);
148 std::string isdcf_name (bool if_created_now) const;
149 std::string dcp_name (bool if_created_now = false) const;
151 /** @return true if our state has changed since we last saved it */
152 bool dirty () const {
156 dcp::Size full_frame () const;
157 dcp::Size frame_size () const;
158 dcp::Size active_area () const;
160 std::vector<CPLSummary> cpls () const;
162 std::list<DCPTextTrack> closed_caption_tracks () const;
164 uint64_t required_disk_space () const;
165 bool should_be_enough_disk_space (double& required, double& available, bool& can_hard_link) const;
167 bool has_sign_language_video_channel () const;
169 /* Proxies for some Playlist methods */
171 ContentList content () const;
172 dcpomatic::DCPTime length () const;
173 int best_video_frame_rate () const;
174 FrameRateChange active_frame_rate_change (dcpomatic::DCPTime) const;
175 std::pair<double, double> speed_up_range (int dcp_frame_rate) const;
177 dcp::DecryptedKDM make_kdm(boost::filesystem::path cpl_file, dcp::LocalTime from, dcp::LocalTime until) const;
179 int state_version () const {
180 return _state_version;
183 std::vector<NamedChannel> audio_output_names () const;
185 void repeat_content (ContentList, int);
187 std::shared_ptr<const Playlist> playlist () const {
191 std::vector<dcpomatic::DCPTimePeriod> reels() const;
192 std::list<int> mapped_audio_channels () const;
194 boost::optional<dcp::LanguageTag> audio_language () const {
195 return _audio_language;
198 /** @param burnt_in If non-null, filled with true if all subtitles are burnt in, otherwise false.
199 * @return pair containing the main subtitle language, and additional languages
201 std::pair<boost::optional<dcp::LanguageTag>, std::vector<dcp::LanguageTag>> subtitle_languages(bool* burnt_in = nullptr) const;
202 /** @return all closed caption languages in the film */
203 std::vector<dcp::LanguageTag> closed_caption_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 bool last_written_by_earlier_than(int major, int minor, int micro) const;
223 boost::optional<boost::filesystem::path> directory () const {
227 std::string name () const {
231 bool use_isdcf_name () const {
232 return _use_isdcf_name;
235 DCPContentType const * dcp_content_type () const {
236 return _dcp_content_type;
239 Ratio const * container () const {
243 Resolution resolution () const {
247 bool encrypted () const {
251 dcp::Key key () const {
255 int video_bit_rate(VideoEncoding encoding) const {
256 return _video_bit_rate[encoding];
259 /** @return The frame rate of the DCP */
260 int video_frame_rate () const {
261 return _video_frame_rate;
264 int audio_channels () const {
265 return _audio_channels;
268 bool three_d () const {
272 bool sequence () const {
276 bool interop () const {
280 VideoEncoding video_encoding() const {
281 return _video_encoding;
284 bool limit_to_smpte_bv20() const {
285 return _limit_to_smpte_bv20;
288 AudioProcessor const * audio_processor () const {
289 return _audio_processor;
292 ReelType reel_type () const {
296 int64_t reel_length () const {
300 std::vector<dcpomatic::DCPTime> custom_reel_boundaries() const {
301 return _custom_reel_boundaries;
304 std::string context_id () const {
308 bool reencode_j2k () const {
309 return _reencode_j2k;
312 typedef std::map<dcp::Marker, dcpomatic::DCPTime> Markers;
314 boost::optional<dcpomatic::DCPTime> marker (dcp::Marker type) const;
315 Markers markers () const {
319 std::vector<dcp::Rating> ratings () const {
323 std::vector<std::string> content_versions () const {
324 return _content_versions;
327 dcp::LanguageTag name_language () const {
328 return _name_language;
331 TerritoryType territory_type() const {
332 return _territory_type;
335 boost::optional<dcp::LanguageTag::RegionSubtag> release_territory () const {
336 return _release_territory;
339 boost::optional<dcp::LanguageTag> sign_language_video_language () const {
340 return _sign_language_video_language;
343 int version_number () const {
344 return _version_number;
347 dcp::Status status () const {
351 boost::optional<std::string> chain () const {
355 boost::optional<std::string> distributor () const {
359 boost::optional<std::string> facility () const {
363 boost::optional<std::string> studio () const {
367 bool temp_version () const {
368 return _temp_version;
371 bool pre_release () const {
375 bool red_band () const {
379 bool two_d_version_of_three_d () const {
380 return _two_d_version_of_three_d;
383 boost::optional<dcp::Luminance> luminance () const {
387 boost::gregorian::date isdcf_date () const {
391 int audio_frame_rate () const {
392 return _audio_frame_rate;
397 void set_directory (boost::filesystem::path);
398 void set_name (std::string);
399 void set_use_isdcf_name (bool);
400 void examine_and_add_content (std::shared_ptr<Content> content, bool disable_audio_analysis = false);
401 void add_content (std::shared_ptr<Content>);
402 void remove_content (std::shared_ptr<Content>);
403 void remove_content (ContentList);
404 void move_content_earlier (std::shared_ptr<Content>);
405 void move_content_later (std::shared_ptr<Content>);
406 void set_dcp_content_type (DCPContentType const *);
407 void set_container (Ratio const *, bool user_explicit = true);
408 void set_resolution (Resolution, bool user_explicit = true);
409 void set_encrypted (bool);
410 void set_video_bit_rate(VideoEncoding encoding, int64_t);
411 void set_video_frame_rate (int rate, bool user_explicit = false);
412 void set_audio_channels (int);
413 void set_three_d (bool);
414 void set_isdcf_date_today ();
415 void set_sequence (bool);
416 void set_interop (bool);
417 void set_video_encoding(VideoEncoding encoding);
418 void set_limit_to_smpte_bv20(bool);
419 void set_audio_processor (AudioProcessor const * processor);
420 void set_reel_type (ReelType);
421 void set_reel_length (int64_t);
422 void set_custom_reel_boundaries(std::vector<dcpomatic::DCPTime> boundaries);
423 void set_reencode_j2k (bool);
424 void set_marker (dcp::Marker type, dcpomatic::DCPTime time);
425 void unset_marker (dcp::Marker type);
426 void clear_markers ();
427 void set_ratings (std::vector<dcp::Rating> r);
428 void set_content_versions (std::vector<std::string> v);
429 void set_name_language (dcp::LanguageTag lang);
430 void set_territory_type(TerritoryType type);
431 void set_release_territory (boost::optional<dcp::LanguageTag::RegionSubtag> region = boost::none);
432 void set_sign_language_video_language (boost::optional<dcp::LanguageTag> tag);
433 void set_version_number (int v);
434 void set_status (dcp::Status s);
435 void set_chain (boost::optional<std::string> c = boost::none);
436 void set_facility (boost::optional<std::string> f = boost::none);
437 void set_studio (boost::optional<std::string> s = boost::none);
438 void set_temp_version (bool t);
439 void set_pre_release (bool p);
440 void set_red_band (bool r);
441 void set_two_d_version_of_three_d (bool t);
442 void set_distributor (boost::optional<std::string> d = boost::none);
443 void set_luminance (boost::optional<dcp::Luminance> l = boost::none);
444 void set_audio_language (boost::optional<dcp::LanguageTag> language);
445 void set_audio_frame_rate (int rate);
447 void add_ffoc_lfoc (Markers& markers) const;
449 void set_ui_state(std::string key, std::string value);
450 boost::optional<std::string> ui_state(std::string key) const;
451 void read_ui_state();
453 /** Emitted when some property has of the Film is about to change or has changed */
454 mutable boost::signals2::signal<void (ChangeType, FilmProperty)> Change;
456 /** Emitted when some property of our content has changed */
457 mutable boost::signals2::signal<void (ChangeType, std::weak_ptr<Content>, int, bool)> ContentChange;
459 /** Emitted when the film's length might have changed; this is not like a normal
460 property as its value is derived from the playlist, so it has its own signal.
462 mutable boost::signals2::signal<void ()> LengthChange;
464 boost::signals2::signal<void (bool)> DirtyChange;
466 /** Emitted when we have something important to tell the user */
467 boost::signals2::signal<void (std::string)> Message;
469 /** Current version number of the state file */
470 static int const current_state_version;
474 friend struct ::isdcf_name_test;
475 friend struct ::isdcf_name_with_atmos;
476 friend struct ::isdcf_name_with_ccap;
477 friend struct ::recover_test_2d_encrypted;
478 friend struct ::atmos_encrypted_passthrough_test;
479 friend struct ::ov_subs_in_vf_name;
480 template <class, class> friend class ChangeSignalDespatcher;
482 boost::filesystem::path info_file (dcpomatic::DCPTimePeriod p) const;
484 void signal_change (ChangeType, FilmProperty);
485 void signal_change (ChangeType, int);
486 std::string video_identifier () const;
487 void playlist_change (ChangeType);
488 void playlist_order_changed ();
489 void playlist_content_change (ChangeType type, std::weak_ptr<Content>, int, bool frequent);
490 void playlist_length_change ();
491 void maybe_add_content (std::weak_ptr<Job>, std::weak_ptr<Content>, bool disable_audio_analysis);
492 void audio_analysis_finished ();
493 void check_settings_consistency ();
494 void maybe_set_container_and_resolution ();
495 void set_dirty (bool dirty);
496 void write_ui_state() const;
498 /** Log to write to */
499 std::shared_ptr<Log> _log;
500 std::shared_ptr<Playlist> _playlist;
502 /** Complete path to directory containing the film metadata;
503 * must not be relative.
505 boost::optional<boost::filesystem::path> _directory;
507 boost::optional<std::string> _last_written_by;
509 /** Name for DCP-o-matic */
511 /** True if a auto-generated ISDCF-compliant name should be used for our DCP */
512 bool _use_isdcf_name;
513 /** The type of content that this Film represents (feature, trailer etc.) */
514 DCPContentType const * _dcp_content_type;
515 /** The container to put this Film in (flat, scope, etc.) */
516 Ratio const * _container;
517 /** DCP resolution (2K or 4K) */
518 Resolution _resolution;
521 /** context ID used when encrypting picture assets; we keep it so that we can
522 * re-start picture MXF encodes.
524 std::string _context_id;
525 /** bit rate for encoding video using in bits per second */
526 EnumIndexedVector<int64_t, VideoEncoding> _video_bit_rate;
527 /** Frames per second to run our DCP at */
528 int _video_frame_rate;
529 /** The date that we should use in a ISDCF name */
530 boost::gregorian::date _isdcf_date;
531 /** Number of audio channels requested for the DCP */
533 /** If true, the DCP will be written in 3D mode; otherwise in 2D.
534 This will be regardless of what content is on the playlist.
539 VideoEncoding _video_encoding;
540 bool _limit_to_smpte_bv20;
541 AudioProcessor const * _audio_processor;
543 /** Desired reel length in bytes, if _reel_type == BY_LENGTH */
544 int64_t _reel_length;
545 /** Reel boundaries (excluding those at the start and end, sorted in ascending order) if _reel_type == CUSTOM */
546 std::vector<dcpomatic::DCPTime> _custom_reel_boundaries;
548 /** true if the user has ever explicitly set the video frame rate of this film */
549 bool _user_explicit_video_frame_rate;
550 bool _user_explicit_container;
551 bool _user_explicit_resolution;
552 std::map<dcp::Marker, dcpomatic::DCPTime> _markers;
553 std::vector<dcp::Rating> _ratings;
554 std::vector<std::string> _content_versions;
555 dcp::LanguageTag _name_language;
556 TerritoryType _territory_type = TerritoryType::SPECIFIC;
557 boost::optional<dcp::LanguageTag::RegionSubtag> _release_territory;
558 boost::optional<dcp::LanguageTag> _sign_language_video_language;
561 boost::optional<std::string> _chain;
562 boost::optional<std::string> _distributor;
563 boost::optional<std::string> _facility;
564 boost::optional<std::string> _studio;
565 bool _temp_version = false;
566 bool _pre_release = false;
567 bool _red_band = false;
568 bool _two_d_version_of_three_d = false;
569 boost::optional<dcp::Luminance> _luminance;
570 boost::optional<dcp::LanguageTag> _audio_language;
571 int _audio_frame_rate = 48000;
575 /** true if our state has changed since we last saved it */
577 /** film being used as a template, or 0 */
578 std::shared_ptr<Film> _template_film;
580 /** Be tolerant of errors in content (currently applies to DCP only).
585 std::map<std::string, std::string> _ui_state;
587 mutable boost::mutex _info_file_mutex;
589 boost::signals2::scoped_connection _playlist_change_connection;
590 boost::signals2::scoped_connection _playlist_order_changed_connection;
591 boost::signals2::scoped_connection _playlist_content_change_connection;
592 boost::signals2::scoped_connection _playlist_length_change_connection;
593 std::list<boost::signals2::connection> _job_connections;
594 std::list<boost::signals2::connection> _audio_analysis_connections;
596 friend struct paths_test;
597 friend struct film_metadata_test;
601 typedef ChangeSignaller<Film, FilmProperty> FilmChangeSignaller;