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>
36 #include "dci_metadata.h"
38 #include "ffmpeg_content.h"
46 class ExamineContentJob;
47 class AnalyseAudioJob;
48 class ExternalAudioStream;
53 * @brief A representation of some audio and video content, and details of
54 * how they should be presented in a DCP.
56 class Film : public boost::enable_shared_from_this<Film>
62 std::string info_dir () const;
63 std::string j2c_path (int f, bool t) const;
64 std::string info_path (int f) const;
65 std::string internal_video_mxf_dir () const;
66 std::string internal_video_mxf_filename () const;
67 std::string audio_analysis_path () const;
69 void examine_content (boost::shared_ptr<Content>);
70 std::string dcp_video_mxf_filename () const;
71 std::string dcp_audio_mxf_filename () const;
73 void analyse_audio ();
74 void send_dcp_to_tms ();
78 * It is safe to call this from any thread.
80 boost::shared_ptr<Log> log () const {
84 int encoded_frames () const;
86 std::string file (std::string f) const;
87 std::string dir (std::string d) const;
89 void read_metadata ();
90 void write_metadata () const;
92 std::string dci_name (bool if_created_now) const;
93 std::string dcp_name (bool if_created_now = false) const;
95 /** @return true if our state has changed since we last saved it */
100 bool have_dcp () const;
102 boost::shared_ptr<Player> player () const;
103 boost::shared_ptr<Playlist> playlist () const;
105 OutputAudioFrame dcp_audio_frame_rate () const;
107 OutputAudioFrame time_to_audio_frames (Time) const;
108 OutputVideoFrame time_to_video_frames (Time) const;
109 Time video_frames_to_time (OutputVideoFrame) const;
110 Time audio_frames_to_time (OutputAudioFrame) const;
112 /* Proxies for some Playlist methods */
114 Playlist::ContentList content () const;
116 Time length () const;
117 bool has_subtitles () const;
118 OutputVideoFrame best_dcp_video_frame_rate () const;
123 /** Identifiers for the parts of our state;
124 used for signalling changes.
130 /** The playlist's content list has changed (i.e. content has been added, moved around or removed) */
143 DCP_VIDEO_FRAME_RATE,
149 std::string directory () const {
150 boost::mutex::scoped_lock lm (_directory_mutex);
154 std::string name () const {
155 boost::mutex::scoped_lock lm (_state_mutex);
159 bool use_dci_name () const {
160 boost::mutex::scoped_lock lm (_state_mutex);
161 return _use_dci_name;
164 DCPContentType const * dcp_content_type () const {
165 boost::mutex::scoped_lock lm (_state_mutex);
166 return _dcp_content_type;
169 Container const * container () const {
170 boost::mutex::scoped_lock lm (_state_mutex);
174 Scaler const * scaler () const {
175 boost::mutex::scoped_lock lm (_state_mutex);
180 boost::mutex::scoped_lock lm (_state_mutex);
184 bool with_subtitles () const {
185 boost::mutex::scoped_lock lm (_state_mutex);
186 return _with_subtitles;
189 int subtitle_offset () const {
190 boost::mutex::scoped_lock lm (_state_mutex);
191 return _subtitle_offset;
194 float subtitle_scale () const {
195 boost::mutex::scoped_lock lm (_state_mutex);
196 return _subtitle_scale;
199 int colour_lut () const {
200 boost::mutex::scoped_lock lm (_state_mutex);
204 int j2k_bandwidth () const {
205 boost::mutex::scoped_lock lm (_state_mutex);
206 return _j2k_bandwidth;
209 DCIMetadata dci_metadata () const {
210 boost::mutex::scoped_lock lm (_state_mutex);
211 return _dci_metadata;
214 /* XXX: -> "video_frame_rate" */
215 int dcp_video_frame_rate () const {
216 boost::mutex::scoped_lock lm (_state_mutex);
217 return _dcp_video_frame_rate;
220 int dcp_audio_channels () const {
221 boost::mutex::scoped_lock lm (_state_mutex);
222 return _dcp_audio_channels;
227 void set_directory (std::string);
228 void set_name (std::string);
229 void set_use_dci_name (bool);
230 void add_content (boost::shared_ptr<Content>);
231 void remove_content (boost::shared_ptr<Content>);
232 void set_dcp_content_type (DCPContentType const *);
233 void set_container (Container const *);
234 void set_scaler (Scaler const *);
236 void set_with_subtitles (bool);
237 void set_subtitle_offset (int);
238 void set_subtitle_scale (float);
239 void set_colour_lut (int);
240 void set_j2k_bandwidth (int);
241 void set_dci_metadata (DCIMetadata);
242 void set_dcp_video_frame_rate (int);
243 void set_dci_date_today ();
245 /** Emitted when some property has of the Film has changed */
246 mutable boost::signals2::signal<void (Property)> Changed;
248 /** Emitted when some property of our content has changed */
249 mutable boost::signals2::signal<void (boost::weak_ptr<Content>, int)> ContentChanged;
251 boost::signals2::signal<void ()> AudioAnalysisSucceeded;
253 /** Current version number of the state file */
254 static int const state_version;
258 void signal_changed (Property);
259 void analyse_audio_finished ();
260 std::string video_state_identifier () const;
261 void playlist_changed ();
262 void playlist_content_changed (boost::weak_ptr<Content>, int);
263 std::string filename_safe_name () const;
265 /** Log to write to */
266 boost::shared_ptr<Log> _log;
267 /** Any running AnalyseAudioJob, or 0 */
268 boost::shared_ptr<AnalyseAudioJob> _analyse_audio_job;
269 boost::shared_ptr<Playlist> _playlist;
271 /** Complete path to directory containing the film metadata;
272 * must not be relative.
274 std::string _directory;
275 /** Mutex for _directory */
276 mutable boost::mutex _directory_mutex;
278 /** Name for DCP-o-matic */
280 /** True if a auto-generated DCI-compliant name should be used for our DCP */
282 /** The type of content that this Film represents (feature, trailer etc.) */
283 DCPContentType const * _dcp_content_type;
284 /** The container to put this Film in (flat, scope, etc.) */
285 Container const * _container;
286 /** Scaler algorithm to use */
287 Scaler const * _scaler;
288 /** true to create an A/B comparison DCP, where the left half of the image
289 is the video without any filters or post-processing, and the right half
290 has the specified filters and post-processing.
293 /** True if subtitles should be shown for this film */
294 bool _with_subtitles;
295 /** y offset for placing subtitles, in source pixels; +ve is further down
296 the frame, -ve is further up.
298 int _subtitle_offset;
299 /** scale factor to apply to subtitles */
300 float _subtitle_scale;
301 /** index of colour LUT to use when converting RGB to XYZ.
306 /** bandwidth for J2K files in bits per second */
308 /** DCI naming stuff */
309 DCIMetadata _dci_metadata;
310 /** Frames per second to run our DCP at */
311 int _dcp_video_frame_rate;
312 /** The date that we should use in a DCI name */
313 boost::gregorian::date _dci_date;
314 int _dcp_audio_channels;
316 /** true if our state has changed since we last saved it */
319 /** Mutex for all state except _directory */
320 mutable boost::mutex _state_mutex;
322 friend class paths_test;
323 friend class film_metadata_test;