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 DVDOMATIC_FILM_H
26 #define DVDOMATIC_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 <libavcodec/avcodec.h>
38 #include "dcp_content_type.h"
40 #include "dci_metadata.h"
47 class ExamineContentJob;
48 class AnalyseAudioJob;
49 class ExternalAudioStream;
55 * @brief A representation of some audio and video content, and details of
56 * how they should be presented in a DCP.
58 class Film : public boost::enable_shared_from_this<Film>
61 Film (std::string d, bool must_exist = true);
64 std::string info_dir () const;
65 std::string j2c_path (int f, bool t) const;
66 std::string info_path (int f) const;
67 std::string video_mxf_dir () const;
68 std::string video_mxf_filename () const;
69 std::string audio_analysis_path () const;
71 void examine_content (boost::shared_ptr<Content>);
72 void analyse_audio ();
73 void send_dcp_to_tms ();
77 * It is safe to call this from any thread.
79 boost::shared_ptr<Log> log () const {
83 int encoded_frames () const;
85 std::string file (std::string f) const;
86 std::string dir (std::string d) const;
88 int target_audio_sample_rate () const;
90 void write_metadata () const;
92 libdcp::Size cropped_size (libdcp::Size) const;
93 std::string dci_name (bool if_created_now) const;
94 std::string dcp_name (bool if_created_now = false) const;
96 /** @return true if our state has changed since we last saved it */
101 bool have_dcp () const;
103 boost::shared_ptr<Player> player () const;
105 /* Proxies for some Playlist methods */
107 ContentAudioFrame audio_length () const;
108 int audio_channels () const;
109 int audio_frame_rate () const;
110 int64_t audio_channel_layout () const;
111 bool has_audio () const;
113 float video_frame_rate () const;
114 libdcp::Size video_size () const;
115 ContentVideoFrame video_length () const;
117 /** Identifiers for the parts of our state;
118 used for signalling changes.
124 TRUST_CONTENT_HEADERS,
125 /** The content list has changed (i.e. content has been added, moved around or removed) */
151 std::string directory () const {
152 boost::mutex::scoped_lock lm (_directory_mutex);
156 std::string name () const {
157 boost::mutex::scoped_lock lm (_state_mutex);
161 bool use_dci_name () const {
162 boost::mutex::scoped_lock lm (_state_mutex);
163 return _use_dci_name;
166 bool trust_content_headers () const {
167 boost::mutex::scoped_lock lm (_state_mutex);
168 return _trust_content_headers;
171 ContentList content () const {
172 boost::mutex::scoped_lock lm (_state_mutex);
176 DCPContentType const * dcp_content_type () const {
177 boost::mutex::scoped_lock lm (_state_mutex);
178 return _dcp_content_type;
181 Format const * format () const {
182 boost::mutex::scoped_lock lm (_state_mutex);
187 boost::mutex::scoped_lock lm (_state_mutex);
191 std::vector<Filter const *> filters () const {
192 boost::mutex::scoped_lock lm (_state_mutex);
196 Scaler const * scaler () const {
197 boost::mutex::scoped_lock lm (_state_mutex);
201 int trim_start () const {
202 boost::mutex::scoped_lock lm (_state_mutex);
206 int trim_end () const {
207 boost::mutex::scoped_lock lm (_state_mutex);
212 boost::mutex::scoped_lock lm (_state_mutex);
216 float audio_gain () const {
217 boost::mutex::scoped_lock lm (_state_mutex);
221 int audio_delay () const {
222 boost::mutex::scoped_lock lm (_state_mutex);
226 bool with_subtitles () const {
227 boost::mutex::scoped_lock lm (_state_mutex);
228 return _with_subtitles;
231 int subtitle_offset () const {
232 boost::mutex::scoped_lock lm (_state_mutex);
233 return _subtitle_offset;
236 float subtitle_scale () const {
237 boost::mutex::scoped_lock lm (_state_mutex);
238 return _subtitle_scale;
241 int colour_lut () const {
242 boost::mutex::scoped_lock lm (_state_mutex);
246 int j2k_bandwidth () const {
247 boost::mutex::scoped_lock lm (_state_mutex);
248 return _j2k_bandwidth;
251 DCIMetadata dci_metadata () const {
252 boost::mutex::scoped_lock lm (_state_mutex);
253 return _dci_metadata;
256 int dcp_frame_rate () const {
257 boost::mutex::scoped_lock lm (_state_mutex);
258 return _dcp_frame_rate;
263 void set_directory (std::string);
264 void set_name (std::string);
265 void set_use_dci_name (bool);
266 void set_trust_content_headers (bool);
267 void add_content (boost::shared_ptr<Content>);
268 void remove_content (boost::shared_ptr<Content>);
269 void move_content_earlier (boost::shared_ptr<Content>);
270 void move_content_later (boost::shared_ptr<Content>);
271 void set_dcp_content_type (DCPContentType const *);
272 void set_format (Format const *);
273 void set_crop (Crop);
274 void set_left_crop (int);
275 void set_right_crop (int);
276 void set_top_crop (int);
277 void set_bottom_crop (int);
278 void set_filters (std::vector<Filter const *>);
279 void set_scaler (Scaler const *);
280 void set_trim_start (int);
281 void set_trim_end (int);
283 void set_audio_gain (float);
284 void set_audio_delay (int);
285 void set_with_subtitles (bool);
286 void set_subtitle_offset (int);
287 void set_subtitle_scale (float);
288 void set_colour_lut (int);
289 void set_j2k_bandwidth (int);
290 void set_dci_metadata (DCIMetadata);
291 void set_dcp_frame_rate (int);
292 void set_dci_date_today ();
294 /** Emitted when some property has of the Film has changed */
295 mutable boost::signals2::signal<void (Property)> Changed;
297 /** Emitted when some property of our content has changed */
298 mutable boost::signals2::signal<void (int)> ContentChanged;
300 boost::signals2::signal<void ()> AudioAnalysisSucceeded;
302 /** Current version number of the state file */
303 static int const state_version;
307 void signal_changed (Property);
308 void analyse_audio_finished ();
309 std::string video_state_identifier () const;
310 void read_metadata ();
312 /** Log to write to */
313 boost::shared_ptr<Log> _log;
314 /** Any running AnalyseAudioJob, or 0 */
315 boost::shared_ptr<AnalyseAudioJob> _analyse_audio_job;
316 boost::shared_ptr<Playlist> _playlist;
318 /** Complete path to directory containing the film metadata;
319 * must not be relative.
321 std::string _directory;
322 /** Mutex for _directory */
323 mutable boost::mutex _directory_mutex;
325 /** Name for DVD-o-matic */
327 /** True if a auto-generated DCI-compliant name should be used for our DCP */
329 bool _trust_content_headers;
330 ContentList _content;
331 /** The type of content that this Film represents (feature, trailer etc.) */
332 DCPContentType const * _dcp_content_type;
333 /** The format to present this Film in (flat, scope, etc.) */
334 Format const * _format;
335 /** The crop to apply to the source */
337 /** Video filters that should be used when generating DCPs */
338 std::vector<Filter const *> _filters;
339 /** Scaler algorithm to use */
340 Scaler const * _scaler;
341 /** Frames to trim off the start of the DCP */
343 /** Frames to trim off the end of the DCP */
345 /** true to create an A/B comparison DCP, where the left half of the image
346 is the video without any filters or post-processing, and the right half
347 has the specified filters and post-processing.
350 /** Gain to apply to audio in dB */
352 /** Delay to apply to audio (positive moves audio later) in milliseconds */
354 /** True if subtitles should be shown for this film */
355 bool _with_subtitles;
356 /** y offset for placing subtitles, in source pixels; +ve is further down
357 the frame, -ve is further up.
359 int _subtitle_offset;
360 /** scale factor to apply to subtitles */
361 float _subtitle_scale;
362 /** index of colour LUT to use when converting RGB to XYZ.
367 /** bandwidth for J2K files in bits per second */
369 /** DCI naming stuff */
370 DCIMetadata _dci_metadata;
371 /** Frames per second to run our DCP at */
373 /** The date that we should use in a DCI name */
374 boost::gregorian::date _dci_date;
376 /** true if our state has changed since we last saved it */
379 /** Mutex for all state except _directory */
380 mutable boost::mutex _state_mutex;
382 friend class paths_test;
383 friend class film_metadata_test;