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>
56 struct isdcf_name_test;
60 * @brief A representation of some audio and video content, and details of
61 * how they should be presented in a DCP.
63 * The content of a Film is held in a Playlist (created and managed by the Film).
65 class Film : public boost::enable_shared_from_this<Film>, public Signaller, public boost::noncopyable
68 Film (boost::filesystem::path, bool log = true);
71 boost::filesystem::path info_file () const;
72 boost::filesystem::path j2c_path (int, Eyes, bool) const;
73 boost::filesystem::path internal_video_asset_dir () const;
74 boost::filesystem::path internal_video_asset_filename () const;
76 boost::filesystem::path audio_analysis_path (boost::shared_ptr<const Playlist>) const;
78 void send_dcp_to_tms ();
82 * It is safe to call this from any thread.
84 boost::shared_ptr<Log> log () const {
88 boost::filesystem::path file (boost::filesystem::path f) const;
89 boost::filesystem::path dir (boost::filesystem::path d) const;
91 std::list<std::string> read_metadata ();
92 void write_metadata () const;
93 boost::shared_ptr<xmlpp::Document> metadata () const;
95 std::string isdcf_name (bool if_created_now) const;
96 std::string dcp_name (bool if_created_now = false) const;
98 /** @return true if our state has changed since we last saved it */
103 dcp::Size full_frame () const;
104 dcp::Size frame_size () const;
106 std::vector<CPLSummary> cpls () const;
108 int audio_frame_rate () const;
110 uint64_t required_disk_space () const;
111 bool should_be_enough_disk_space (double& required, double& available, bool& can_hard_link) const;
113 /* Proxies for some Playlist methods */
115 ContentList content () const;
116 DCPTime length () const;
117 int best_video_frame_rate () const;
118 FrameRateChange active_frame_rate_change (DCPTime) const;
122 dcp::Certificate target,
123 boost::filesystem::path cpl_file,
125 dcp::LocalTime until,
126 dcp::Formulation formulation
129 std::list<dcp::EncryptedKDM> make_kdms (
130 std::list<boost::shared_ptr<Screen> >,
131 boost::filesystem::path cpl_file,
133 dcp::LocalTime until,
134 dcp::Formulation formulation
137 int state_version () const {
138 return _state_version;
141 std::string subtitle_language () const;
143 void make_audio_mapping_default (AudioMapping & mapping) const;
144 std::vector<std::string> audio_output_names () const;
146 void repeat_content (ContentList, int);
148 boost::shared_ptr<const Playlist> playlist () const {
152 /** Identifiers for the parts of our state;
153 used for signalling changes.
159 /** The playlist's content list has changed (i.e. content has been added or removed) */
171 /** The setting of _three_d has changed */
181 boost::filesystem::path directory () const {
185 std::string name () const {
189 bool use_isdcf_name () const {
190 return _use_isdcf_name;
193 DCPContentType const * dcp_content_type () const {
194 return _dcp_content_type;
197 Ratio const * container () const {
201 Resolution resolution () const {
205 /* signed is a reserved word */
206 bool is_signed () const {
210 bool encrypted () const {
214 dcp::Key key () const {
218 int j2k_bandwidth () const {
219 return _j2k_bandwidth;
222 ISDCFMetadata isdcf_metadata () const {
223 return _isdcf_metadata;
226 /** @return The frame rate of the DCP */
227 int video_frame_rate () const {
228 return _video_frame_rate;
231 int audio_channels () const {
232 return _audio_channels;
235 bool three_d () const {
239 bool sequence_video () const {
240 return _sequence_video;
243 bool interop () const {
247 AudioProcessor const * audio_processor () const {
248 return _audio_processor;
254 void set_directory (boost::filesystem::path);
255 void set_name (std::string);
256 void set_use_isdcf_name (bool);
257 void examine_content (boost::shared_ptr<Content>);
258 void examine_and_add_content (boost::shared_ptr<Content>);
259 void add_content (boost::shared_ptr<Content>);
260 void remove_content (boost::shared_ptr<Content>);
261 void remove_content (ContentList);
262 void move_content_earlier (boost::shared_ptr<Content>);
263 void move_content_later (boost::shared_ptr<Content>);
264 void set_dcp_content_type (DCPContentType const *);
265 void set_container (Ratio const *);
266 void set_resolution (Resolution);
267 void set_signed (bool);
268 void set_encrypted (bool);
269 void set_key (dcp::Key key);
270 void set_j2k_bandwidth (int);
271 void set_isdcf_metadata (ISDCFMetadata);
272 void set_video_frame_rate (int);
273 void set_audio_channels (int);
274 void set_three_d (bool);
275 void set_isdcf_date_today ();
276 void set_sequence_video (bool);
277 void set_interop (bool);
278 void set_audio_processor (AudioProcessor const * processor);
280 /** Emitted when some property has of the Film has changed */
281 mutable boost::signals2::signal<void (Property)> Changed;
283 /** Emitted when some property of our content has changed */
284 mutable boost::signals2::signal<void (boost::weak_ptr<Content>, int, bool)> ContentChanged;
286 /** Current version number of the state file */
287 static int const current_state_version;
291 friend struct ::isdcf_name_test;
293 void signal_changed (Property);
294 std::string video_identifier () const;
295 void playlist_changed ();
296 void playlist_content_changed (boost::weak_ptr<Content>, int, bool frequent);
297 void maybe_add_content (boost::weak_ptr<Job>, boost::weak_ptr<Content>);
299 /** Log to write to */
300 boost::shared_ptr<Log> _log;
301 boost::shared_ptr<Playlist> _playlist;
303 /** Complete path to directory containing the film metadata;
304 * must not be relative.
306 boost::filesystem::path _directory;
308 /** Name for DCP-o-matic */
310 /** True if a auto-generated ISDCF-compliant name should be used for our DCP */
311 bool _use_isdcf_name;
312 /** The type of content that this Film represents (feature, trailer etc.) */
313 DCPContentType const * _dcp_content_type;
314 /** The container to put this Film in (flat, scope, etc.) */
315 Ratio const * _container;
316 /** DCP resolution (2K or 4K) */
317 Resolution _resolution;
321 /** bandwidth for J2K files in bits per second */
323 /** ISDCF naming stuff */
324 ISDCFMetadata _isdcf_metadata;
325 /** Frames per second to run our DCP at */
326 int _video_frame_rate;
327 /** The date that we should use in a ISDCF name */
328 boost::gregorian::date _isdcf_date;
329 /** Number of audio channels requested for the DCP */
331 /** If true, the DCP will be written in 3D mode; otherwise in 2D.
332 This will be regardless of what content is on the playlist.
335 bool _sequence_video;
337 AudioProcessor const * _audio_processor;
341 /** true if our state has changed since we last saved it */
344 boost::signals2::scoped_connection _playlist_changed_connection;
345 boost::signals2::scoped_connection _playlist_content_changed_connection;
346 std::list<boost::signals2::connection> _job_connections;
348 friend struct paths_test;
349 friend struct film_metadata_test;