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/thread/mutex.hpp>
32 #include <boost/thread.hpp>
33 #include <boost/signals2.hpp>
34 #include <boost/enable_shared_from_this.hpp>
38 #include "dci_metadata.h"
47 * @brief A representation of some audio and video content, and details of
48 * how they should be presented in a DCP.
50 * The content of a Film is held in a Playlist (created and managed by the Film)
52 class Film : public boost::enable_shared_from_this<Film>
58 std::string info_dir () const;
59 std::string j2c_path (int f, bool t) const;
60 std::string info_path (int f) const;
61 std::string internal_video_mxf_dir () const;
62 std::string internal_video_mxf_filename () const;
63 boost::filesystem::path audio_analysis_path (boost::shared_ptr<const AudioContent>) const;
65 std::string dcp_video_mxf_filename () const;
66 std::string dcp_audio_mxf_filename () const;
68 void send_dcp_to_tms ();
72 * It is safe to call this from any thread.
74 boost::shared_ptr<Log> log () const {
78 int encoded_frames () const;
80 std::string file (std::string f) const;
81 std::string dir (std::string d) const;
83 void read_metadata ();
84 void write_metadata () const;
86 std::string dci_name (bool if_created_now) const;
87 std::string dcp_name (bool if_created_now = false) const;
89 /** @return true if our state has changed since we last saved it */
94 libdcp::Size full_frame () const;
96 bool have_dcp () const;
98 boost::shared_ptr<Player> make_player () const;
99 boost::shared_ptr<Playlist> playlist () const;
101 OutputAudioFrame dcp_audio_frame_rate () const;
103 OutputAudioFrame time_to_audio_frames (Time) const;
104 OutputVideoFrame time_to_video_frames (Time) const;
105 Time video_frames_to_time (OutputVideoFrame) const;
106 Time audio_frames_to_time (OutputAudioFrame) const;
108 /* Proxies for some Playlist methods */
110 Playlist::ContentList content () const;
112 Time length () const;
113 bool has_subtitles () const;
114 OutputVideoFrame best_dcp_video_frame_rate () const;
119 void set_sequence_video (bool);
121 /** Identifiers for the parts of our state;
122 used for signalling changes.
128 /** The playlist's content list has changed (i.e. content has been added, moved around or removed) */
137 DCP_VIDEO_FRAME_RATE,
144 std::string directory () const {
145 boost::mutex::scoped_lock lm (_directory_mutex);
149 std::string name () const {
150 boost::mutex::scoped_lock lm (_state_mutex);
154 bool use_dci_name () const {
155 boost::mutex::scoped_lock lm (_state_mutex);
156 return _use_dci_name;
159 DCPContentType const * dcp_content_type () const {
160 boost::mutex::scoped_lock lm (_state_mutex);
161 return _dcp_content_type;
164 Ratio const * container () const {
165 boost::mutex::scoped_lock lm (_state_mutex);
169 Scaler const * scaler () const {
170 boost::mutex::scoped_lock lm (_state_mutex);
174 bool with_subtitles () const {
175 boost::mutex::scoped_lock lm (_state_mutex);
176 return _with_subtitles;
179 int j2k_bandwidth () const {
180 boost::mutex::scoped_lock lm (_state_mutex);
181 return _j2k_bandwidth;
184 DCIMetadata dci_metadata () const {
185 boost::mutex::scoped_lock lm (_state_mutex);
186 return _dci_metadata;
189 /* XXX: -> "video_frame_rate" */
190 int dcp_video_frame_rate () const {
191 boost::mutex::scoped_lock lm (_state_mutex);
192 return _dcp_video_frame_rate;
195 int dcp_audio_channels () const {
196 boost::mutex::scoped_lock lm (_state_mutex);
197 return _dcp_audio_channels;
202 void set_directory (std::string);
203 void set_name (std::string);
204 void set_use_dci_name (bool);
205 void examine_and_add_content (boost::shared_ptr<Content>);
206 void add_content (boost::shared_ptr<Content>);
207 void remove_content (boost::shared_ptr<Content>);
208 void set_dcp_content_type (DCPContentType const *);
209 void set_container (Ratio const *);
210 void set_scaler (Scaler const *);
211 void set_with_subtitles (bool);
212 void set_j2k_bandwidth (int);
213 void set_dci_metadata (DCIMetadata);
214 void set_dcp_video_frame_rate (int);
215 void set_dcp_audio_channels (int);
216 void set_dci_date_today ();
218 /** Emitted when some property has of the Film has changed */
219 mutable boost::signals2::signal<void (Property)> Changed;
221 /** Emitted when some property of our content has changed */
222 mutable boost::signals2::signal<void (boost::weak_ptr<Content>, int)> ContentChanged;
224 /** Current version number of the state file */
225 static int const state_version;
229 void signal_changed (Property);
230 std::string video_identifier () const;
231 void playlist_changed ();
232 void playlist_content_changed (boost::weak_ptr<Content>, int);
233 std::string filename_safe_name () const;
234 void add_content_weak (boost::weak_ptr<Content>);
236 /** Log to write to */
237 boost::shared_ptr<Log> _log;
238 boost::shared_ptr<Playlist> _playlist;
240 /** Complete path to directory containing the film metadata;
241 * must not be relative.
243 std::string _directory;
244 /** Mutex for _directory */
245 mutable boost::mutex _directory_mutex;
247 /** Name for DCP-o-matic */
249 /** True if a auto-generated DCI-compliant name should be used for our DCP */
251 /** The type of content that this Film represents (feature, trailer etc.) */
252 DCPContentType const * _dcp_content_type;
253 /** The container to put this Film in (flat, scope, etc.) */
254 Ratio const * _container;
255 /** Scaler algorithm to use */
256 Scaler const * _scaler;
257 /** True if subtitles should be shown for this film */
258 bool _with_subtitles;
259 /** bandwidth for J2K files in bits per second */
261 /** DCI naming stuff */
262 DCIMetadata _dci_metadata;
263 /** Frames per second to run our DCP at */
264 int _dcp_video_frame_rate;
265 /** The date that we should use in a DCI name */
266 boost::gregorian::date _dci_date;
267 int _dcp_audio_channels;
269 /** true if our state has changed since we last saved it */
272 /** Mutex for all state except _directory */
273 mutable boost::mutex _state_mutex;
275 friend class paths_test;
276 friend class film_metadata_test;