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 a piece of video (with sound), including naming,
22 * the source content file, and how it 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"
46 class ExamineContentJob;
47 class ExternalAudioStream;
50 * @brief A representation of a video with sound.
52 * A representation of a piece of video (with sound), including naming,
53 * the source content file, and how it should be presented in a DCP.
55 class Film : public boost::enable_shared_from_this<Film>
58 Film (std::string d, bool must_exist = true);
62 std::string j2k_dir () const;
63 std::vector<std::string> audio_files () const;
65 void examine_content ();
66 void send_dcp_to_tms ();
71 * It is safe to call this from any thread.
77 int encoded_frames () const;
79 std::string file (std::string f) const;
80 std::string dir (std::string d) const;
82 std::string content_path () const;
83 ContentType content_type () const;
85 int target_audio_sample_rate () const;
87 void write_metadata () const;
88 void read_metadata ();
90 Size cropped_size (Size) const;
91 boost::optional<SourceFrame> dcp_length () const;
92 std::string dci_name () const;
93 std::string dcp_name () const;
99 int audio_channels () const;
101 void set_dci_date_today ();
116 CONTENT_AUDIO_STREAM,
129 CONTENT_AUDIO_STREAMS,
137 std::string directory () const {
138 boost::mutex::scoped_lock lm (_directory_mutex);
142 std::string name () const {
143 boost::mutex::scoped_lock lm (_state_mutex);
147 bool use_dci_name () const {
148 boost::mutex::scoped_lock lm (_state_mutex);
149 return _use_dci_name;
152 std::string content () const {
153 boost::mutex::scoped_lock lm (_state_mutex);
157 DCPContentType const * dcp_content_type () const {
158 boost::mutex::scoped_lock lm (_state_mutex);
159 return _dcp_content_type;
162 Format const * format () const {
163 boost::mutex::scoped_lock lm (_state_mutex);
168 boost::mutex::scoped_lock lm (_state_mutex);
172 std::vector<Filter const *> filters () const {
173 boost::mutex::scoped_lock lm (_state_mutex);
177 Scaler const * scaler () const {
178 boost::mutex::scoped_lock lm (_state_mutex);
182 SourceFrame dcp_trim_start () const {
183 boost::mutex::scoped_lock lm (_state_mutex);
184 return _dcp_trim_start;
187 SourceFrame dcp_trim_end () const {
188 boost::mutex::scoped_lock lm (_state_mutex);
189 return _dcp_trim_end;
192 bool dcp_ab () const {
193 boost::mutex::scoped_lock lm (_state_mutex);
197 boost::shared_ptr<AudioStream> content_audio_stream () const {
198 boost::mutex::scoped_lock lm (_state_mutex);
199 return _content_audio_stream;
202 std::vector<std::string> external_audio () const {
203 boost::mutex::scoped_lock lm (_state_mutex);
204 return _external_audio;
207 bool use_content_audio () const {
208 boost::mutex::scoped_lock lm (_state_mutex);
209 return _use_content_audio;
212 float audio_gain () const {
213 boost::mutex::scoped_lock lm (_state_mutex);
217 int audio_delay () const {
218 boost::mutex::scoped_lock lm (_state_mutex);
222 int still_duration () const {
223 boost::mutex::scoped_lock lm (_state_mutex);
224 return _still_duration;
227 boost::shared_ptr<SubtitleStream> subtitle_stream () const {
228 boost::mutex::scoped_lock lm (_state_mutex);
229 return _subtitle_stream;
232 bool with_subtitles () const {
233 boost::mutex::scoped_lock lm (_state_mutex);
234 return _with_subtitles;
237 int subtitle_offset () const {
238 boost::mutex::scoped_lock lm (_state_mutex);
239 return _subtitle_offset;
242 float subtitle_scale () const {
243 boost::mutex::scoped_lock lm (_state_mutex);
244 return _subtitle_scale;
247 std::string audio_language () const {
248 boost::mutex::scoped_lock lm (_state_mutex);
249 return _audio_language;
252 std::string subtitle_language () const {
253 boost::mutex::scoped_lock lm (_state_mutex);
254 return _subtitle_language;
257 std::string territory () const {
258 boost::mutex::scoped_lock lm (_state_mutex);
262 std::string rating () const {
263 boost::mutex::scoped_lock lm (_state_mutex);
267 std::string studio () const {
268 boost::mutex::scoped_lock lm (_state_mutex);
272 std::string facility () const {
273 boost::mutex::scoped_lock lm (_state_mutex);
277 std::string package_type () const {
278 boost::mutex::scoped_lock lm (_state_mutex);
279 return _package_type;
283 boost::mutex::scoped_lock lm (_state_mutex);
287 boost::optional<SourceFrame> length () const {
288 boost::mutex::scoped_lock lm (_state_mutex);
292 std::string content_digest () const {
293 boost::mutex::scoped_lock lm (_state_mutex);
294 return _content_digest;
297 std::vector<boost::shared_ptr<AudioStream> > content_audio_streams () const {
298 boost::mutex::scoped_lock lm (_state_mutex);
299 return _content_audio_streams;
302 std::vector<boost::shared_ptr<SubtitleStream> > subtitle_streams () const {
303 boost::mutex::scoped_lock lm (_state_mutex);
304 return _subtitle_streams;
307 float frames_per_second () const {
308 boost::mutex::scoped_lock lm (_state_mutex);
309 return _frames_per_second;
312 boost::shared_ptr<AudioStream> audio_stream () const;
317 void set_directory (std::string);
318 void set_name (std::string);
319 void set_use_dci_name (bool);
320 void set_content (std::string);
321 void set_dcp_content_type (DCPContentType const *);
322 void set_format (Format const *);
323 void set_crop (Crop);
324 void set_left_crop (int);
325 void set_right_crop (int);
326 void set_top_crop (int);
327 void set_bottom_crop (int);
328 void set_filters (std::vector<Filter const *>);
329 void set_scaler (Scaler const *);
330 void set_dcp_trim_start (int);
331 void set_dcp_trim_end (int);
332 void set_dcp_ab (bool);
333 void set_content_audio_stream (boost::shared_ptr<AudioStream>);
334 void set_external_audio (std::vector<std::string>);
335 void set_use_content_audio (bool);
336 void set_audio_gain (float);
337 void set_audio_delay (int);
338 void set_still_duration (int);
339 void set_subtitle_stream (boost::shared_ptr<SubtitleStream>);
340 void set_with_subtitles (bool);
341 void set_subtitle_offset (int);
342 void set_subtitle_scale (float);
343 void set_audio_language (std::string);
344 void set_subtitle_language (std::string);
345 void set_territory (std::string);
346 void set_rating (std::string);
347 void set_studio (std::string);
348 void set_facility (std::string);
349 void set_package_type (std::string);
350 void set_size (Size);
351 void set_length (SourceFrame);
352 void unset_length ();
353 void set_content_digest (std::string);
354 void set_content_audio_streams (std::vector<boost::shared_ptr<AudioStream> >);
355 void set_subtitle_streams (std::vector<boost::shared_ptr<SubtitleStream> >);
356 void set_frames_per_second (float);
358 /** Emitted when some property has changed */
359 mutable boost::signals2::signal<void (Property)> Changed;
361 /** Current version number of the state file */
362 static int const state_version;
366 /** Log to write to */
369 /** Any running ExamineContentJob, or 0 */
370 boost::shared_ptr<ExamineContentJob> _examine_content_job;
372 /** The date that we should use in a DCI name */
373 boost::gregorian::date _dci_date;
375 void signal_changed (Property);
376 void examine_content_finished ();
378 /** Complete path to directory containing the film metadata;
379 * must not be relative.
381 std::string _directory;
382 /** Mutex for _directory */
383 mutable boost::mutex _directory_mutex;
385 /** Name for DVD-o-matic */
387 /** True if a auto-generated DCI-compliant name should be used for our DCP */
389 /** File or directory containing content; may be relative to our directory
390 * or an absolute path.
392 std::string _content;
393 /** The type of content that this Film represents (feature, trailer etc.) */
394 DCPContentType const * _dcp_content_type;
395 /** The format to present this Film in (flat, scope, etc.) */
396 Format const * _format;
397 /** The crop to apply to the source */
399 /** Video filters that should be used when generating DCPs */
400 std::vector<Filter const *> _filters;
401 /** Scaler algorithm to use */
402 Scaler const * _scaler;
403 /** Frames to trim off the start of the source */
404 SourceFrame _dcp_trim_start;
405 /** Frames to trim off the end of the source */
406 SourceFrame _dcp_trim_end;
407 /** true to create an A/B comparison DCP, where the left half of the image
408 is the video without any filters or post-processing, and the right half
409 has the specified filters and post-processing.
412 /** The audio stream to use from our content */
413 boost::shared_ptr<AudioStream> _content_audio_stream;
414 /** List of filenames of external audio files, in channel order
415 (L, R, C, Lfe, Ls, Rs)
417 std::vector<std::string> _external_audio;
418 /** true to use audio from our content file; false to use external audio */
419 bool _use_content_audio;
420 /** Gain to apply to audio in dB */
422 /** Delay to apply to audio (positive moves audio later) in milliseconds */
424 /** Duration to make still-sourced films (in seconds) */
426 boost::shared_ptr<SubtitleStream> _subtitle_stream;
427 /** True if subtitles should be shown for this film */
428 bool _with_subtitles;
429 /** y offset for placing subtitles, in source pixels; +ve is further down
430 the frame, -ve is further up.
432 int _subtitle_offset;
433 /** scale factor to apply to subtitles */
434 float _subtitle_scale;
436 /* DCI naming stuff */
437 std::string _audio_language;
438 std::string _subtitle_language;
439 std::string _territory;
442 std::string _facility;
443 std::string _package_type;
445 /* Data which are cached to speed things up */
447 /** Size, in pixels, of the source (ignoring cropping) */
449 /** Actual length of the source (in video frames) from examining it */
450 boost::optional<SourceFrame> _length;
451 /** MD5 digest of our content file */
452 std::string _content_digest;
453 /** The audio streams in our content */
454 std::vector<boost::shared_ptr<AudioStream> > _content_audio_streams;
455 /** A stream to represent possible external audio (will always exist) */
456 boost::shared_ptr<AudioStream> _external_audio_stream;
457 /** the subtitle streams that we can use */
458 std::vector<boost::shared_ptr<SubtitleStream> > _subtitle_streams;
459 /** Frames per second of the source */
460 float _frames_per_second;
462 /** true if our state has changed since we last saved it */
465 /** Mutex for all state except _directory */
466 mutable boost::mutex _state_mutex;
468 friend class paths_test;