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>
57 struct isdcf_name_test;
61 * @brief A representation of some audio and video content, and details of
62 * how they should be presented in a DCP.
64 * The content of a Film is held in a Playlist (created and managed by the Film).
66 class Film : public boost::enable_shared_from_this<Film>, public Signaller, public boost::noncopyable
69 Film (boost::filesystem::path, bool log = true);
72 boost::filesystem::path info_file () const;
73 boost::filesystem::path j2c_path (int, Eyes, bool) const;
74 boost::filesystem::path internal_video_asset_dir () const;
75 boost::filesystem::path internal_video_asset_filename () const;
77 boost::filesystem::path audio_analysis_path (boost::shared_ptr<const Playlist>) const;
79 void send_dcp_to_tms ();
83 * It is safe to call this from any thread.
85 boost::shared_ptr<Log> log () const {
89 boost::filesystem::path file (boost::filesystem::path f) const;
90 boost::filesystem::path dir (boost::filesystem::path d) const;
92 std::list<std::string> read_metadata ();
93 void write_metadata () const;
94 boost::shared_ptr<xmlpp::Document> metadata () const;
96 std::string isdcf_name (bool if_created_now) const;
97 std::string dcp_name (bool if_created_now = false) const;
99 /** @return true if our state has changed since we last saved it */
100 bool dirty () const {
104 dcp::Size full_frame () const;
105 dcp::Size frame_size () const;
107 std::vector<CPLSummary> cpls () const;
109 int audio_frame_rate () const;
111 uint64_t required_disk_space () const;
112 bool should_be_enough_disk_space (double& required, double& available, bool& can_hard_link) const;
114 /* Proxies for some Playlist methods */
116 ContentList content () const;
117 DCPTime length () const;
118 int best_video_frame_rate () const;
119 FrameRateChange active_frame_rate_change (DCPTime) const;
123 dcp::Certificate target,
124 boost::filesystem::path cpl_file,
126 dcp::LocalTime until,
127 dcp::Formulation formulation
130 std::list<dcp::EncryptedKDM> make_kdms (
131 std::list<boost::shared_ptr<Screen> >,
132 boost::filesystem::path cpl_file,
134 dcp::LocalTime until,
135 dcp::Formulation formulation
138 int state_version () const {
139 return _state_version;
142 std::string subtitle_language () const;
144 void make_audio_mapping_default (AudioMapping & mapping) const;
145 std::vector<std::string> audio_output_names () const;
147 void repeat_content (ContentList, int);
149 boost::shared_ptr<const Playlist> playlist () const {
153 /** Identifiers for the parts of our state;
154 used for signalling changes.
160 /** The playlist's content list has changed (i.e. content has been added or removed) */
172 /** The setting of _three_d has changed */
182 boost::filesystem::path directory () const {
186 std::string name () const {
190 bool use_isdcf_name () const {
191 return _use_isdcf_name;
194 DCPContentType const * dcp_content_type () const {
195 return _dcp_content_type;
198 Ratio const * container () const {
202 Resolution resolution () const {
206 /* signed is a reserved word */
207 bool is_signed () const {
211 bool encrypted () const {
215 dcp::Key key () const {
219 int j2k_bandwidth () const {
220 return _j2k_bandwidth;
223 ISDCFMetadata isdcf_metadata () const {
224 return _isdcf_metadata;
227 /** @return The frame rate of the DCP */
228 int video_frame_rate () const {
229 return _video_frame_rate;
232 int audio_channels () const {
233 return _audio_channels;
236 bool three_d () const {
240 bool sequence_video () const {
241 return _sequence_video;
244 bool interop () const {
248 AudioProcessor const * audio_processor () const {
249 return _audio_processor;
255 void set_directory (boost::filesystem::path);
256 void set_name (std::string);
257 void set_use_isdcf_name (bool);
258 void examine_content (boost::shared_ptr<Content>);
259 void examine_and_add_content (boost::shared_ptr<Content>);
260 void add_content (boost::shared_ptr<Content>);
261 void remove_content (boost::shared_ptr<Content>);
262 void remove_content (ContentList);
263 void move_content_earlier (boost::shared_ptr<Content>);
264 void move_content_later (boost::shared_ptr<Content>);
265 void set_dcp_content_type (DCPContentType const *);
266 void set_container (Ratio const *);
267 void set_resolution (Resolution);
268 void set_signed (bool);
269 void set_encrypted (bool);
270 void set_key (dcp::Key key);
271 void set_j2k_bandwidth (int);
272 void set_isdcf_metadata (ISDCFMetadata);
273 void set_video_frame_rate (int);
274 void set_audio_channels (int);
275 void set_three_d (bool);
276 void set_isdcf_date_today ();
277 void set_sequence_video (bool);
278 void set_interop (bool);
279 void set_audio_processor (AudioProcessor const * processor);
281 /** Emitted when some property has of the Film has changed */
282 mutable boost::signals2::signal<void (Property)> Changed;
284 /** Emitted when some property of our content has changed */
285 mutable boost::signals2::signal<void (boost::weak_ptr<Content>, int, bool)> ContentChanged;
287 /** Current version number of the state file */
288 static int const current_state_version;
292 friend struct ::isdcf_name_test;
294 void signal_changed (Property);
295 std::string video_identifier () const;
296 void playlist_changed ();
297 void playlist_content_changed (boost::weak_ptr<Content>, int, bool frequent);
298 void maybe_add_content (boost::weak_ptr<Job>, boost::weak_ptr<Content>);
300 /** Log to write to */
301 boost::shared_ptr<Log> _log;
302 boost::shared_ptr<Playlist> _playlist;
304 /** Complete path to directory containing the film metadata;
305 * must not be relative.
307 boost::filesystem::path _directory;
309 /** Name for DCP-o-matic */
311 /** True if a auto-generated ISDCF-compliant name should be used for our DCP */
312 bool _use_isdcf_name;
313 /** The type of content that this Film represents (feature, trailer etc.) */
314 DCPContentType const * _dcp_content_type;
315 /** The container to put this Film in (flat, scope, etc.) */
316 Ratio const * _container;
317 /** DCP resolution (2K or 4K) */
318 Resolution _resolution;
322 /** bandwidth for J2K files in bits per second */
324 /** ISDCF naming stuff */
325 ISDCFMetadata _isdcf_metadata;
326 /** Frames per second to run our DCP at */
327 int _video_frame_rate;
328 /** The date that we should use in a ISDCF name */
329 boost::gregorian::date _isdcf_date;
330 /** Number of audio channels requested for the DCP */
332 /** If true, the DCP will be written in 3D mode; otherwise in 2D.
333 This will be regardless of what content is on the playlist.
336 bool _sequence_video;
338 AudioProcessor const * _audio_processor;
342 /** true if our state has changed since we last saved it */
345 boost::signals2::scoped_connection _playlist_changed_connection;
346 boost::signals2::scoped_connection _playlist_content_changed_connection;
347 std::list<boost::signals2::connection> _job_connections;
349 friend struct paths_test;
350 friend struct film_metadata_test;