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>
59 Film (std::string d, bool must_exist = true);
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 write_metadata () const;
91 libdcp::Size cropped_size (libdcp::Size) 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) */
147 DCP_VIDEO_FRAME_RATE,
153 std::string directory () const {
154 boost::mutex::scoped_lock lm (_directory_mutex);
158 std::string name () const {
159 boost::mutex::scoped_lock lm (_state_mutex);
163 bool use_dci_name () const {
164 boost::mutex::scoped_lock lm (_state_mutex);
165 return _use_dci_name;
168 DCPContentType const * dcp_content_type () const {
169 boost::mutex::scoped_lock lm (_state_mutex);
170 return _dcp_content_type;
173 Format const * format () const {
174 boost::mutex::scoped_lock lm (_state_mutex);
179 boost::mutex::scoped_lock lm (_state_mutex);
183 std::vector<Filter const *> filters () const {
184 boost::mutex::scoped_lock lm (_state_mutex);
188 Scaler const * scaler () const {
189 boost::mutex::scoped_lock lm (_state_mutex);
194 boost::mutex::scoped_lock lm (_state_mutex);
198 float audio_gain () const {
199 boost::mutex::scoped_lock lm (_state_mutex);
203 int audio_delay () const {
204 boost::mutex::scoped_lock lm (_state_mutex);
208 bool with_subtitles () const {
209 boost::mutex::scoped_lock lm (_state_mutex);
210 return _with_subtitles;
213 int subtitle_offset () const {
214 boost::mutex::scoped_lock lm (_state_mutex);
215 return _subtitle_offset;
218 float subtitle_scale () const {
219 boost::mutex::scoped_lock lm (_state_mutex);
220 return _subtitle_scale;
223 int colour_lut () const {
224 boost::mutex::scoped_lock lm (_state_mutex);
228 int j2k_bandwidth () const {
229 boost::mutex::scoped_lock lm (_state_mutex);
230 return _j2k_bandwidth;
233 DCIMetadata dci_metadata () const {
234 boost::mutex::scoped_lock lm (_state_mutex);
235 return _dci_metadata;
238 /* XXX: -> "video_frame_rate" */
239 int dcp_video_frame_rate () const {
240 boost::mutex::scoped_lock lm (_state_mutex);
241 return _dcp_video_frame_rate;
246 void set_directory (std::string);
247 void set_name (std::string);
248 void set_use_dci_name (bool);
249 void add_content (boost::shared_ptr<Content>);
250 void remove_content (boost::shared_ptr<Content>);
251 void set_dcp_content_type (DCPContentType const *);
252 void set_format (Format const *);
253 void set_crop (Crop);
254 void set_left_crop (int);
255 void set_right_crop (int);
256 void set_top_crop (int);
257 void set_bottom_crop (int);
258 void set_filters (std::vector<Filter const *>);
259 void set_scaler (Scaler const *);
261 void set_audio_gain (float);
262 void set_audio_delay (int);
263 void set_with_subtitles (bool);
264 void set_subtitle_offset (int);
265 void set_subtitle_scale (float);
266 void set_colour_lut (int);
267 void set_j2k_bandwidth (int);
268 void set_dci_metadata (DCIMetadata);
269 void set_dcp_video_frame_rate (int);
270 void set_dci_date_today ();
272 /** Emitted when some property has of the Film has changed */
273 mutable boost::signals2::signal<void (Property)> Changed;
275 /** Emitted when some property of our content has changed */
276 mutable boost::signals2::signal<void (boost::weak_ptr<Content>, int)> ContentChanged;
278 boost::signals2::signal<void ()> AudioAnalysisSucceeded;
280 /** Current version number of the state file */
281 static int const state_version;
285 void signal_changed (Property);
286 void analyse_audio_finished ();
287 std::string video_state_identifier () const;
288 void read_metadata ();
289 void playlist_changed ();
290 void playlist_content_changed (boost::weak_ptr<Content>, int);
291 std::string filename_safe_name () const;
293 /** Log to write to */
294 boost::shared_ptr<Log> _log;
295 /** Any running AnalyseAudioJob, or 0 */
296 boost::shared_ptr<AnalyseAudioJob> _analyse_audio_job;
297 boost::shared_ptr<Playlist> _playlist;
299 /** Complete path to directory containing the film metadata;
300 * must not be relative.
302 std::string _directory;
303 /** Mutex for _directory */
304 mutable boost::mutex _directory_mutex;
306 /** Name for DCP-o-matic */
308 /** True if a auto-generated DCI-compliant name should be used for our DCP */
310 /** The type of content that this Film represents (feature, trailer etc.) */
311 DCPContentType const * _dcp_content_type;
312 /** The format to present this Film in (flat, scope, etc.) */
313 Format const * _format;
314 /** The crop to apply to the source */
316 /** Video filters that should be used when generating DCPs */
317 std::vector<Filter const *> _filters;
318 /** Scaler algorithm to use */
319 Scaler const * _scaler;
320 /** true to create an A/B comparison DCP, where the left half of the image
321 is the video without any filters or post-processing, and the right half
322 has the specified filters and post-processing.
325 /** Gain to apply to audio in dB */
327 /** Delay to apply to audio (positive moves audio later) in milliseconds */
329 /** True if subtitles should be shown for this film */
330 bool _with_subtitles;
331 /** y offset for placing subtitles, in source pixels; +ve is further down
332 the frame, -ve is further up.
334 int _subtitle_offset;
335 /** scale factor to apply to subtitles */
336 float _subtitle_scale;
337 /** index of colour LUT to use when converting RGB to XYZ.
342 /** bandwidth for J2K files in bits per second */
344 /** DCI naming stuff */
345 DCIMetadata _dci_metadata;
346 /** Frames per second to run our DCP at */
347 int _dcp_video_frame_rate;
348 /** The date that we should use in a DCI name */
349 boost::gregorian::date _dci_date;
351 /** true if our state has changed since we last saved it */
354 /** Mutex for all state except _directory */
355 mutable boost::mutex _state_mutex;
357 friend class paths_test;
358 friend class film_metadata_test;