2 Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 * @brief A representation of some audio and video content, and details of
22 * how they should be presented in a DCP.
25 #ifndef DCPOMATIC_FILM_H
26 #define DCPOMATIC_FILM_H
30 #include "isdcf_metadata.h"
31 #include "frame_rate_change.h"
32 #include "signaller.h"
34 #include <dcp/encrypted_kdm.h>
35 #include <boost/signals2.hpp>
36 #include <boost/enable_shared_from_this.hpp>
37 #include <boost/filesystem.hpp>
58 struct isdcf_name_test;
62 * @brief A representation of some audio and video content, and details of
63 * how they should be presented in a DCP.
65 * The content of a Film is held in a Playlist (created and managed by the Film).
67 class Film : public boost::enable_shared_from_this<Film>, public Signaller, public boost::noncopyable
70 Film (boost::filesystem::path, bool log = true);
73 boost::filesystem::path info_file (DCPTimePeriod p) const;
74 boost::filesystem::path j2c_path (int, Frame, Eyes, bool) const;
75 boost::filesystem::path internal_video_asset_dir () const;
76 boost::filesystem::path internal_video_asset_filename (DCPTimePeriod p) const;
78 boost::filesystem::path audio_analysis_path (boost::shared_ptr<const Playlist>) const;
80 void send_dcp_to_tms ();
84 * It is safe to call this from any thread.
86 boost::shared_ptr<Log> log () const {
90 boost::filesystem::path file (boost::filesystem::path f) const;
91 boost::filesystem::path dir (boost::filesystem::path d) const;
93 std::list<std::string> read_metadata ();
94 void write_metadata () const;
95 boost::shared_ptr<xmlpp::Document> metadata () const;
97 std::string isdcf_name (bool if_created_now) const;
98 std::string dcp_name (bool if_created_now = false) const;
100 /** @return true if our state has changed since we last saved it */
101 bool dirty () const {
105 dcp::Size full_frame () const;
106 dcp::Size frame_size () const;
108 std::vector<CPLSummary> cpls () const;
110 int audio_frame_rate () const;
112 uint64_t required_disk_space () const;
113 bool should_be_enough_disk_space (double& required, double& available, bool& can_hard_link) const;
115 /* Proxies for some Playlist methods */
117 ContentList content () const;
118 DCPTime length () const;
119 int best_video_frame_rate () const;
120 FrameRateChange active_frame_rate_change (DCPTime) const;
124 dcp::Certificate recipient,
125 std::vector<dcp::Certificate> trusted_devices,
126 boost::filesystem::path cpl_file,
128 dcp::LocalTime until,
129 dcp::Formulation formulation
132 std::list<ScreenKDM> make_kdms (
133 std::list<boost::shared_ptr<Screen> >,
134 boost::filesystem::path cpl_file,
136 dcp::LocalTime until,
137 dcp::Formulation formulation
140 int state_version () const {
141 return _state_version;
144 std::string subtitle_language () const;
146 void make_audio_mapping_default (AudioMapping & mapping) const;
147 std::vector<std::string> audio_output_names () const;
149 void repeat_content (ContentList, int);
151 boost::shared_ptr<const Playlist> playlist () const {
155 std::list<DCPTimePeriod> reels () const;
157 /** Identifiers for the parts of our state;
158 used for signalling changes.
164 /** The playlist's content list has changed (i.e. content has been added or removed) */
166 /** The order of content in the playlist has changed */
178 /** The setting of _three_d has changed */
190 boost::filesystem::path directory () const {
194 std::string name () const {
198 bool use_isdcf_name () const {
199 return _use_isdcf_name;
202 DCPContentType const * dcp_content_type () const {
203 return _dcp_content_type;
206 Ratio const * container () const {
210 Resolution resolution () const {
214 /* signed is a reserved word */
215 bool is_signed () const {
219 bool encrypted () const {
223 dcp::Key key () const {
227 int j2k_bandwidth () const {
228 return _j2k_bandwidth;
231 ISDCFMetadata isdcf_metadata () const {
232 return _isdcf_metadata;
235 /** @return The frame rate of the DCP */
236 int video_frame_rate () const {
237 return _video_frame_rate;
240 int audio_channels () const {
241 return _audio_channels;
244 bool three_d () const {
248 bool sequence_video () const {
249 return _sequence_video;
252 bool interop () const {
256 AudioProcessor const * audio_processor () const {
257 return _audio_processor;
260 ReelType reel_type () const {
264 int64_t reel_length () const {
270 void set_directory (boost::filesystem::path);
271 void set_name (std::string);
272 void set_use_isdcf_name (bool);
273 void examine_content (boost::shared_ptr<Content>);
274 void examine_and_add_content (boost::shared_ptr<Content>);
275 void add_content (boost::shared_ptr<Content>);
276 void remove_content (boost::shared_ptr<Content>);
277 void remove_content (ContentList);
278 void move_content_earlier (boost::shared_ptr<Content>);
279 void move_content_later (boost::shared_ptr<Content>);
280 void set_dcp_content_type (DCPContentType const *);
281 void set_container (Ratio const *);
282 void set_resolution (Resolution);
283 void set_signed (bool);
284 void set_encrypted (bool);
285 void set_key (dcp::Key key);
286 void set_j2k_bandwidth (int);
287 void set_isdcf_metadata (ISDCFMetadata);
288 void set_video_frame_rate (int);
289 void set_audio_channels (int);
290 void set_three_d (bool);
291 void set_isdcf_date_today ();
292 void set_sequence_video (bool);
293 void set_interop (bool);
294 void set_audio_processor (AudioProcessor const * processor);
295 void set_reel_type (ReelType);
296 void set_reel_length (int64_t);
298 /** Emitted when some property has of the Film has changed */
299 mutable boost::signals2::signal<void (Property)> Changed;
301 /** Emitted when some property of our content has changed */
302 mutable boost::signals2::signal<void (boost::weak_ptr<Content>, int, bool)> ContentChanged;
304 /** Current version number of the state file */
305 static int const current_state_version;
309 friend struct ::isdcf_name_test;
311 void signal_changed (Property);
312 std::string video_identifier () const;
313 void playlist_changed ();
314 void playlist_order_changed ();
315 void playlist_content_changed (boost::weak_ptr<Content>, int, bool frequent);
316 void maybe_add_content (boost::weak_ptr<Job>, boost::weak_ptr<Content>);
317 void audio_analysis_finished ();
319 /** Log to write to */
320 boost::shared_ptr<Log> _log;
321 boost::shared_ptr<Playlist> _playlist;
323 /** Complete path to directory containing the film metadata;
324 * must not be relative.
326 boost::filesystem::path _directory;
328 /** Name for DCP-o-matic */
330 /** True if a auto-generated ISDCF-compliant name should be used for our DCP */
331 bool _use_isdcf_name;
332 /** The type of content that this Film represents (feature, trailer etc.) */
333 DCPContentType const * _dcp_content_type;
334 /** The container to put this Film in (flat, scope, etc.) */
335 Ratio const * _container;
336 /** DCP resolution (2K or 4K) */
337 Resolution _resolution;
341 /** bandwidth for J2K files in bits per second */
343 /** ISDCF naming stuff */
344 ISDCFMetadata _isdcf_metadata;
345 /** Frames per second to run our DCP at */
346 int _video_frame_rate;
347 /** The date that we should use in a ISDCF name */
348 boost::gregorian::date _isdcf_date;
349 /** Number of audio channels requested for the DCP */
351 /** If true, the DCP will be written in 3D mode; otherwise in 2D.
352 This will be regardless of what content is on the playlist.
355 bool _sequence_video;
357 AudioProcessor const * _audio_processor;
359 /** Desired reel length in bytes, if _reel_type == REELTYPE_BY_LENGTH */
360 int64_t _reel_length;
364 /** true if our state has changed since we last saved it */
367 boost::signals2::scoped_connection _playlist_changed_connection;
368 boost::signals2::scoped_connection _playlist_order_changed_connection;
369 boost::signals2::scoped_connection _playlist_content_changed_connection;
370 std::list<boost::signals2::connection> _job_connections;
371 std::list<boost::signals2::connection> _audio_analysis_connections;
373 friend struct paths_test;
374 friend struct film_metadata_test;