2 Copyright (C) 2012 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
31 #include <boost/signals2.hpp>
32 #include <boost/enable_shared_from_this.hpp>
33 #include <boost/filesystem.hpp>
34 #include <libdcp/key.h>
35 #include <libdcp/kdm.h>
38 #include "dci_metadata.h"
39 #include "frame_rate_change.h"
52 * @brief A representation of some audio and video content, and details of
53 * how they should be presented in a DCP.
55 * The content of a Film is held in a Playlist (created and managed by the Film).
57 class Film : public boost::enable_shared_from_this<Film>, public boost::noncopyable
60 Film (boost::filesystem::path, bool log = true);
62 boost::filesystem::path info_dir () const;
63 boost::filesystem::path j2c_path (int, Eyes, bool) const;
64 boost::filesystem::path info_path (int, Eyes) const;
65 boost::filesystem::path internal_video_mxf_dir () const;
66 boost::filesystem::path internal_video_mxf_filename () const;
67 boost::filesystem::path audio_analysis_dir () const;
69 boost::filesystem::path video_mxf_filename () const;
70 boost::filesystem::path audio_mxf_filename () const;
72 void send_dcp_to_tms ();
76 * It is safe to call this from any thread.
78 boost::shared_ptr<Log> log () const {
82 int encoded_frames () 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 dci_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 libdcp::Size full_frame () const;
100 libdcp::Size frame_size () const;
102 std::vector<CPLSummary> cpls () const;
104 boost::shared_ptr<Player> make_player () const;
105 boost::shared_ptr<Playlist> playlist () const;
107 OutputAudioFrame audio_frame_rate () const;
109 OutputAudioFrame time_to_audio_frames (Time) const;
110 OutputVideoFrame time_to_video_frames (Time) const;
111 Time video_frames_to_time (OutputVideoFrame) const;
112 Time audio_frames_to_time (OutputAudioFrame) const;
114 uint64_t required_disk_space () const;
115 bool should_be_enough_disk_space (double &, double &) const;
117 /* Proxies for some Playlist methods */
119 ContentList content () const;
120 Time length () const;
121 bool has_subtitles () const;
122 OutputVideoFrame best_video_frame_rate () const;
123 FrameRateChange active_frame_rate_change (Time) const;
127 boost::shared_ptr<libdcp::Certificate> target,
128 boost::filesystem::path cpl_file,
129 boost::posix_time::ptime from,
130 boost::posix_time::ptime until
133 std::list<libdcp::KDM> make_kdms (
134 std::list<boost::shared_ptr<Screen> >,
135 boost::filesystem::path cpl_file,
136 boost::posix_time::ptime from,
137 boost::posix_time::ptime until
140 libdcp::Key key () const {
144 int state_version () const {
145 return _state_version;
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, moved around or removed) */
168 /** The setting of _three_d has been changed */
177 boost::filesystem::path directory () const {
181 std::string name () const {
185 bool use_dci_name () const {
186 return _use_dci_name;
189 DCPContentType const * dcp_content_type () const {
190 return _dcp_content_type;
193 Ratio const * container () const {
197 Resolution resolution () const {
201 Scaler const * scaler () const {
205 bool with_subtitles () const {
206 return _with_subtitles;
209 /* signed is a reserved word */
210 bool is_signed () const {
214 bool encrypted () const {
218 int j2k_bandwidth () const {
219 return _j2k_bandwidth;
222 DCIMetadata dci_metadata () const {
223 return _dci_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 {
250 void set_directory (boost::filesystem::path);
251 void set_name (std::string);
252 void set_use_dci_name (bool);
253 void examine_and_add_content (boost::shared_ptr<Content>);
254 void add_content (boost::shared_ptr<Content>);
255 void remove_content (boost::shared_ptr<Content>);
256 void move_content_earlier (boost::shared_ptr<Content>);
257 void move_content_later (boost::shared_ptr<Content>);
258 void set_dcp_content_type (DCPContentType const *);
259 void set_container (Ratio const *);
260 void set_resolution (Resolution);
261 void set_scaler (Scaler const *);
262 void set_with_subtitles (bool);
263 void set_signed (bool);
264 void set_encrypted (bool);
265 void set_j2k_bandwidth (int);
266 void set_dci_metadata (DCIMetadata);
267 void set_video_frame_rate (int);
268 void set_audio_channels (int);
269 void set_three_d (bool);
270 void set_dci_date_today ();
271 void set_sequence_video (bool);
272 void set_interop (bool);
274 /** Emitted when some property has of the Film has changed */
275 mutable boost::signals2::signal<void (Property)> Changed;
277 /** Emitted when some property of our content has changed */
278 mutable boost::signals2::signal<void (boost::weak_ptr<Content>, int)> ContentChanged;
280 /** Current version number of the state file */
281 static int const current_state_version;
285 void signal_changed (Property);
286 std::string video_identifier () const;
287 void playlist_changed ();
288 void playlist_content_changed (boost::weak_ptr<Content>, int);
289 std::string filename_safe_name () const;
290 void maybe_add_content (boost::weak_ptr<Job>, boost::weak_ptr<Content>);
292 /** Log to write to */
293 boost::shared_ptr<Log> _log;
294 boost::shared_ptr<Playlist> _playlist;
296 /** Complete path to directory containing the film metadata;
297 * must not be relative.
299 boost::filesystem::path _directory;
301 /** Name for DCP-o-matic */
303 /** True if a auto-generated DCI-compliant name should be used for our DCP */
305 /** The type of content that this Film represents (feature, trailer etc.) */
306 DCPContentType const * _dcp_content_type;
307 /** The container to put this Film in (flat, scope, etc.) */
308 Ratio const * _container;
309 /** DCP resolution (2K or 4K) */
310 Resolution _resolution;
311 /** Scaler algorithm to use */
312 Scaler const * _scaler;
313 /** True if subtitles should be shown for this film */
314 bool _with_subtitles;
317 /** bandwidth for J2K files in bits per second */
319 /** DCI naming stuff */
320 DCIMetadata _dci_metadata;
321 /** Frames per second to run our DCP at */
322 int _video_frame_rate;
323 /** The date that we should use in a DCI name */
324 boost::gregorian::date _dci_date;
325 /** Number of audio channels to put in 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;
337 /** true if our state has changed since we last saved it */
340 friend class paths_test;
341 friend class film_metadata_test;