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/>.
22 * @brief A representation of some audio and video content, and details of
23 * how they should be presented in a DCP.
26 #ifndef DCPOMATIC_FILM_H
27 #define DCPOMATIC_FILM_H
29 #include "change_signaller.h"
30 #include "dcp_text_track.h"
31 #include "frame_rate_change.h"
32 #include "isdcf_metadata.h"
33 #include "signaller.h"
36 #include <dcp/encrypted_kdm.h>
38 #include <dcp/language_tag.h>
39 #include <boost/filesystem.hpp>
40 #include <boost/signals2.hpp>
41 #include <boost/thread.hpp>
42 #include <boost/thread/mutex.hpp>
64 struct isdcf_name_test;
65 struct recover_test_2d_encrypted;
66 struct atmos_encrypted_passthrough_test;
71 InfoFileHandle (boost::mutex& mutex, boost::filesystem::path file, bool read);
78 boost::filesystem::path file () const {
85 boost::mutex::scoped_lock _lock;
87 boost::filesystem::path _file;
92 * @brief A representation of some audio, video, subtitle and closed-caption content,
93 * and details of how they should be presented in a DCP.
95 * The content of a Film is held in a Playlist (created and managed by the Film).
97 class Film : public std::enable_shared_from_this<Film>, public Signaller, public boost::noncopyable
100 explicit Film (boost::optional<boost::filesystem::path> dir);
103 std::shared_ptr<InfoFileHandle> info_file_handle (dcpomatic::DCPTimePeriod period, bool read) const;
104 boost::filesystem::path j2c_path (int, Frame, Eyes, bool) const;
105 boost::filesystem::path internal_video_asset_dir () const;
106 boost::filesystem::path internal_video_asset_filename (dcpomatic::DCPTimePeriod p) const;
108 boost::filesystem::path audio_analysis_path (std::shared_ptr<const Playlist>) const;
109 boost::filesystem::path subtitle_analysis_path (std::shared_ptr<const Content>) const;
111 void send_dcp_to_tms ();
112 void make_dcp (bool gui = false, bool check = true);
115 * It is safe to call this from any thread.
117 std::shared_ptr<Log> log () const {
121 boost::filesystem::path file (boost::filesystem::path f) const;
122 boost::filesystem::path dir (boost::filesystem::path d, bool create = true) const;
124 void use_template (std::string name);
125 std::list<std::string> read_metadata (boost::optional<boost::filesystem::path> path = boost::optional<boost::filesystem::path> ());
126 void write_metadata () const;
127 void write_metadata (boost::filesystem::path path) const;
128 void write_template (boost::filesystem::path path) const;
129 std::shared_ptr<xmlpp::Document> metadata (bool with_content_paths = true) const;
131 void copy_from (std::shared_ptr<const Film> film);
133 std::string isdcf_name (bool if_created_now) const;
134 std::string dcp_name (bool if_created_now = false) const;
136 /** @return true if our state has changed since we last saved it */
137 bool dirty () const {
141 dcp::Size full_frame () const;
142 dcp::Size frame_size () const;
143 dcp::Size active_area () const;
145 std::vector<CPLSummary> cpls () const;
147 int audio_frame_rate () const;
149 std::list<DCPTextTrack> closed_caption_tracks () const;
151 uint64_t required_disk_space () const;
152 bool should_be_enough_disk_space (double& required, double& available, bool& can_hard_link) const;
154 /* Proxies for some Playlist methods */
156 ContentList content () const;
157 dcpomatic::DCPTime length () const;
158 int best_video_frame_rate () const;
159 FrameRateChange active_frame_rate_change (dcpomatic::DCPTime) const;
160 std::pair<double, double> speed_up_range (int dcp_frame_rate) const;
162 dcp::EncryptedKDM make_kdm (
163 dcp::Certificate recipient,
164 std::vector<std::string> trusted_devices,
165 boost::filesystem::path cpl_file,
167 dcp::LocalTime until,
168 dcp::Formulation formulation,
169 bool disable_forensic_marking_picture,
170 boost::optional<int> disable_forensic_marking_audio
173 int state_version () const {
174 return _state_version;
177 std::vector<NamedChannel> audio_output_names () const;
179 void repeat_content (ContentList, int);
181 std::shared_ptr<const Playlist> playlist () const {
185 std::list<dcpomatic::DCPTimePeriod> reels () const;
186 std::list<int> mapped_audio_channels () const;
187 std::vector<dcp::LanguageTag> audio_languages () const;
188 std::pair<boost::optional<dcp::LanguageTag>, std::vector<dcp::LanguageTag>> subtitle_languages () const;
190 std::string content_summary (dcpomatic::DCPTimePeriod period) const;
192 bool references_dcp_video () const;
193 bool references_dcp_audio () const;
194 bool contains_atmos_content () const;
196 void set_tolerant (bool t) {
200 bool tolerant () const {
204 /** Identifiers for the parts of our state;
205 used for signalling changes.
207 enum class Property {
211 /** The playlist's content list has changed (i.e. content has been added or removed) */
213 /** The order of content in the playlist has changed */
223 /** The setting of _three_d has changed */
249 boost::optional<boost::filesystem::path> directory () const {
253 std::string name () const {
257 bool use_isdcf_name () const {
258 return _use_isdcf_name;
261 DCPContentType const * dcp_content_type () const {
262 return _dcp_content_type;
265 Ratio const * container () const {
269 Resolution resolution () const {
273 bool encrypted () const {
277 dcp::Key key () const {
281 int j2k_bandwidth () const {
282 return _j2k_bandwidth;
285 ISDCFMetadata isdcf_metadata () const {
286 return _isdcf_metadata;
289 /** @return The frame rate of the DCP */
290 int video_frame_rate () const {
291 return _video_frame_rate;
294 int audio_channels () const {
295 return _audio_channels;
298 bool three_d () const {
302 bool sequence () const {
306 bool interop () const {
310 AudioProcessor const * audio_processor () const {
311 return _audio_processor;
314 ReelType reel_type () const {
318 int64_t reel_length () const {
322 std::string context_id () const {
326 bool reencode_j2k () const {
327 return _reencode_j2k;
330 typedef std::map<dcp::Marker, dcpomatic::DCPTime> Markers;
332 boost::optional<dcpomatic::DCPTime> marker (dcp::Marker type) const;
333 Markers markers () const {
337 std::vector<dcp::Rating> ratings () const {
341 std::vector<std::string> content_versions () const {
342 return _content_versions;
345 dcp::LanguageTag name_language () const {
346 return _name_language;
349 dcp::LanguageTag audio_language () const {
350 return _audio_language;
353 boost::optional<dcp::LanguageTag::RegionSubtag> release_territory () const {
354 return _release_territory;
357 int version_number () const {
358 return _version_number;
361 dcp::Status status () const {
365 boost::optional<std::string> chain () const {
369 boost::optional<std::string> distributor () const {
373 boost::optional<std::string> facility () const {
377 boost::optional<std::string> studio () const {
381 boost::optional<dcp::Luminance> luminance () const {
387 void set_directory (boost::filesystem::path);
388 void set_name (std::string);
389 void set_use_isdcf_name (bool);
390 void examine_and_add_content (std::shared_ptr<Content> content, bool disable_audio_analysis = false);
391 void add_content (std::shared_ptr<Content>);
392 void remove_content (std::shared_ptr<Content>);
393 void remove_content (ContentList);
394 void move_content_earlier (std::shared_ptr<Content>);
395 void move_content_later (std::shared_ptr<Content>);
396 void set_dcp_content_type (DCPContentType const *);
397 void set_container (Ratio const *, bool user_explicit = true);
398 void set_resolution (Resolution, bool user_explicit = true);
399 void set_encrypted (bool);
400 void set_j2k_bandwidth (int);
401 void set_isdcf_metadata (ISDCFMetadata);
402 void set_video_frame_rate (int rate, bool user_explicit = false);
403 void set_audio_channels (int);
404 void set_three_d (bool);
405 void set_isdcf_date_today ();
406 void set_sequence (bool);
407 void set_interop (bool);
408 void set_audio_processor (AudioProcessor const * processor);
409 void set_reel_type (ReelType);
410 void set_reel_length (int64_t);
411 void set_reencode_j2k (bool);
412 void set_marker (dcp::Marker type, dcpomatic::DCPTime time);
413 void unset_marker (dcp::Marker type);
414 void clear_markers ();
415 void set_ratings (std::vector<dcp::Rating> r);
416 void set_content_versions (std::vector<std::string> v);
417 void set_name_language (dcp::LanguageTag lang);
418 void set_audio_language (dcp::LanguageTag lang);
419 void set_release_territory (boost::optional<dcp::LanguageTag::RegionSubtag> region = boost::none);
420 void set_version_number (int v);
421 void set_status (dcp::Status s);
422 void set_chain (boost::optional<std::string> c = boost::none);
423 void set_facility (boost::optional<std::string> f = boost::none);
424 void set_studio (boost::optional<std::string> s = boost::none);
425 void set_distributor (boost::optional<std::string> d = boost::none);
426 void set_luminance (boost::optional<dcp::Luminance> l = boost::none);
428 void add_ffoc_lfoc (Markers& markers) const;
430 /** Emitted when some property has of the Film is about to change or has changed */
431 mutable boost::signals2::signal<void (ChangeType, Property)> Change;
433 /** Emitted when some property of our content has changed */
434 mutable boost::signals2::signal<void (ChangeType, std::weak_ptr<Content>, int, bool)> ContentChange;
436 /** Emitted when the film's length might have changed; this is not like a normal
437 property as its value is derived from the playlist, so it has its own signal.
439 mutable boost::signals2::signal<void ()> LengthChange;
441 /** Emitted when we have something important to tell the user */
442 boost::signals2::signal<void (std::string)> Message;
444 /** Current version number of the state file */
445 static int const current_state_version;
449 friend struct ::isdcf_name_test;
450 friend struct ::recover_test_2d_encrypted;
451 friend struct ::atmos_encrypted_passthrough_test;
452 template <class, class> friend class ChangeSignaller;
454 boost::filesystem::path info_file (dcpomatic::DCPTimePeriod p) const;
456 void signal_change (ChangeType, Property);
457 void signal_change (ChangeType, int);
458 std::string video_identifier () const;
459 void playlist_change (ChangeType);
460 void playlist_order_changed ();
461 void playlist_content_change (ChangeType type, std::weak_ptr<Content>, int, bool frequent);
462 void playlist_length_change ();
463 void maybe_add_content (std::weak_ptr<Job>, std::weak_ptr<Content>, bool disable_audio_analysis);
464 void audio_analysis_finished ();
465 void check_settings_consistency ();
466 void maybe_set_container_and_resolution ();
468 static std::string const metadata_file;
470 /** Log to write to */
471 std::shared_ptr<Log> _log;
472 std::shared_ptr<Playlist> _playlist;
474 /** Complete path to directory containing the film metadata;
475 * must not be relative.
477 boost::optional<boost::filesystem::path> _directory;
479 /** Name for DCP-o-matic */
481 /** True if a auto-generated ISDCF-compliant name should be used for our DCP */
482 bool _use_isdcf_name;
483 /** The type of content that this Film represents (feature, trailer etc.) */
484 DCPContentType const * _dcp_content_type;
485 /** The container to put this Film in (flat, scope, etc.) */
486 Ratio const * _container;
487 /** DCP resolution (2K or 4K) */
488 Resolution _resolution;
491 /** context ID used when encrypting picture assets; we keep it so that we can
492 * re-start picture MXF encodes.
494 std::string _context_id;
495 /** bandwidth for J2K files in bits per second */
497 /** ISDCF naming stuff */
498 ISDCFMetadata _isdcf_metadata;
499 /** Frames per second to run our DCP at */
500 int _video_frame_rate;
501 /** The date that we should use in a ISDCF name */
502 boost::gregorian::date _isdcf_date;
503 /** Number of audio channels requested for the DCP */
505 /** If true, the DCP will be written in 3D mode; otherwise in 2D.
506 This will be regardless of what content is on the playlist.
511 AudioProcessor const * _audio_processor;
513 /** Desired reel length in bytes, if _reel_type == REELTYPE_BY_LENGTH */
514 int64_t _reel_length;
516 /** true if the user has ever explicitly set the video frame rate of this film */
517 bool _user_explicit_video_frame_rate;
518 bool _user_explicit_container;
519 bool _user_explicit_resolution;
520 std::map<dcp::Marker, dcpomatic::DCPTime> _markers;
521 std::vector<dcp::Rating> _ratings;
522 std::vector<std::string> _content_versions;
523 dcp::LanguageTag _name_language;
524 dcp::LanguageTag _audio_language;
525 boost::optional<dcp::LanguageTag::RegionSubtag> _release_territory;
528 boost::optional<std::string> _chain;
529 boost::optional<std::string> _distributor;
530 boost::optional<std::string> _facility;
531 boost::optional<std::string> _studio;
532 boost::optional<dcp::Luminance> _luminance;
536 /** true if our state has changed since we last saved it */
538 /** film being used as a template, or 0 */
539 std::shared_ptr<Film> _template_film;
541 /** Be tolerant of errors in content (currently applies to DCP only).
546 mutable boost::mutex _info_file_mutex;
548 boost::signals2::scoped_connection _playlist_change_connection;
549 boost::signals2::scoped_connection _playlist_order_changed_connection;
550 boost::signals2::scoped_connection _playlist_content_change_connection;
551 boost::signals2::scoped_connection _playlist_length_change_connection;
552 std::list<boost::signals2::connection> _job_connections;
553 std::list<boost::signals2::connection> _audio_analysis_connections;
555 friend struct paths_test;
556 friend struct film_metadata_test;
560 typedef ChangeSignaller<Film, Film::Property> FilmChangeSignaller;