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"
35 #include <dcp/encrypted_kdm.h>
36 #include <boost/signals2.hpp>
37 #include <boost/enable_shared_from_this.hpp>
38 #include <boost/filesystem.hpp>
52 struct isdcf_name_test;
56 * @brief A representation of some audio and video content, and details of
57 * how they should be presented in a DCP.
59 * The content of a Film is held in a Playlist (created and managed by the Film).
61 class Film : public boost::enable_shared_from_this<Film>, public Signaller, public boost::noncopyable
64 Film (boost::filesystem::path, bool log = true);
67 boost::filesystem::path info_file () const;
68 boost::filesystem::path j2c_path (int, Eyes, bool) const;
69 boost::filesystem::path internal_video_asset_dir () const;
70 boost::filesystem::path internal_video_asset_filename () const;
72 boost::filesystem::path audio_analysis_path (boost::shared_ptr<const Playlist>) const;
74 void send_dcp_to_tms ();
78 * It is safe to call this from any thread.
80 boost::shared_ptr<Log> log () const {
84 boost::filesystem::path file (boost::filesystem::path f) const;
85 boost::filesystem::path dir (boost::filesystem::path d) const;
87 std::list<std::string> read_metadata ();
88 void write_metadata () const;
89 boost::shared_ptr<xmlpp::Document> metadata () const;
91 std::string isdcf_name (bool if_created_now) const;
92 std::string dcp_name (bool if_created_now = false) const;
94 /** @return true if our state has changed since we last saved it */
99 dcp::Size full_frame () const;
100 dcp::Size frame_size () const;
102 std::vector<CPLSummary> cpls () const;
104 int audio_frame_rate () const;
106 uint64_t required_disk_space () const;
107 bool should_be_enough_disk_space (double& required, double& available, bool& can_hard_link) const;
109 /* Proxies for some Playlist methods */
111 ContentList content () const;
112 DCPTime length () const;
113 int best_video_frame_rate () const;
114 FrameRateChange active_frame_rate_change (DCPTime) const;
118 dcp::Certificate target,
119 boost::filesystem::path cpl_file,
121 dcp::LocalTime until,
122 dcp::Formulation formulation
125 std::list<dcp::EncryptedKDM> make_kdms (
126 std::list<boost::shared_ptr<Screen> >,
127 boost::filesystem::path cpl_file,
129 dcp::LocalTime until,
130 dcp::Formulation formulation
133 int state_version () const {
134 return _state_version;
137 std::string subtitle_language () const;
139 void make_audio_mapping_default (AudioMapping & mapping) const;
140 std::vector<std::string> audio_output_names () const;
142 void repeat_content (ContentList, int);
144 boost::shared_ptr<const Playlist> playlist () const {
148 /** Identifiers for the parts of our state;
149 used for signalling changes.
155 /** The playlist's content list has changed (i.e. content has been added or removed) */
167 /** The setting of _three_d has changed */
177 boost::filesystem::path directory () const {
181 std::string name () const {
185 bool use_isdcf_name () const {
186 return _use_isdcf_name;
189 DCPContentType const * dcp_content_type () const {
190 return _dcp_content_type;
193 Ratio const * container () const {
197 Resolution resolution () const {
201 /* signed is a reserved word */
202 bool is_signed () const {
206 bool encrypted () const {
210 dcp::Key key () const {
214 int j2k_bandwidth () const {
215 return _j2k_bandwidth;
218 ISDCFMetadata isdcf_metadata () const {
219 return _isdcf_metadata;
222 /** @return The frame rate of the DCP */
223 int video_frame_rate () const {
224 return _video_frame_rate;
227 int audio_channels () const {
228 return _audio_channels;
231 bool three_d () const {
235 bool sequence_video () const {
236 return _sequence_video;
239 bool interop () const {
243 AudioProcessor const * audio_processor () const {
244 return _audio_processor;
250 void set_directory (boost::filesystem::path);
251 void set_name (std::string);
252 void set_use_isdcf_name (bool);
253 void examine_content (boost::shared_ptr<Content>);
254 void examine_and_add_content (boost::shared_ptr<Content>);
255 void add_content (boost::shared_ptr<Content>);
256 void remove_content (boost::shared_ptr<Content>);
257 void remove_content (ContentList);
258 void move_content_earlier (boost::shared_ptr<Content>);
259 void move_content_later (boost::shared_ptr<Content>);
260 void set_dcp_content_type (DCPContentType const *);
261 void set_container (Ratio const *);
262 void set_resolution (Resolution);
263 void set_signed (bool);
264 void set_encrypted (bool);
265 void set_key (dcp::Key key);
266 void set_j2k_bandwidth (int);
267 void set_isdcf_metadata (ISDCFMetadata);
268 void set_video_frame_rate (int);
269 void set_audio_channels (int);
270 void set_three_d (bool);
271 void set_isdcf_date_today ();
272 void set_sequence_video (bool);
273 void set_interop (bool);
274 void set_audio_processor (AudioProcessor const * processor);
276 /** Emitted when some property has of the Film has changed */
277 mutable boost::signals2::signal<void (Property)> Changed;
279 /** Emitted when some property of our content has changed */
280 mutable boost::signals2::signal<void (boost::weak_ptr<Content>, int, bool)> ContentChanged;
282 /** Current version number of the state file */
283 static int const current_state_version;
287 friend struct ::isdcf_name_test;
289 void signal_changed (Property);
290 std::string video_identifier () const;
291 void playlist_changed ();
292 void playlist_content_changed (boost::weak_ptr<Content>, int, bool frequent);
293 void maybe_add_content (boost::weak_ptr<Job>, boost::weak_ptr<Content>);
295 /** Log to write to */
296 boost::shared_ptr<Log> _log;
297 boost::shared_ptr<Playlist> _playlist;
299 /** Complete path to directory containing the film metadata;
300 * must not be relative.
302 boost::filesystem::path _directory;
304 /** Name for DCP-o-matic */
306 /** True if a auto-generated ISDCF-compliant name should be used for our DCP */
307 bool _use_isdcf_name;
308 /** The type of content that this Film represents (feature, trailer etc.) */
309 DCPContentType const * _dcp_content_type;
310 /** The container to put this Film in (flat, scope, etc.) */
311 Ratio const * _container;
312 /** DCP resolution (2K or 4K) */
313 Resolution _resolution;
317 /** bandwidth for J2K files in bits per second */
319 /** ISDCF naming stuff */
320 ISDCFMetadata _isdcf_metadata;
321 /** Frames per second to run our DCP at */
322 int _video_frame_rate;
323 /** The date that we should use in a ISDCF name */
324 boost::gregorian::date _isdcf_date;
325 /** Number of audio channels requested for the DCP */
327 /** If true, the DCP will be written in 3D mode; otherwise in 2D.
328 This will be regardless of what content is on the playlist.
331 bool _sequence_video;
333 AudioProcessor const * _audio_processor;
337 /** true if our state has changed since we last saved it */
340 boost::signals2::scoped_connection _playlist_changed_connection;
341 boost::signals2::scoped_connection _playlist_content_changed_connection;
342 std::list<boost::signals2::connection> _job_connections;
344 friend struct paths_test;
345 friend struct film_metadata_test;