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;
64 std::pair<Position, std::string> thumb_subtitle (int) const;
66 void examine_content ();
67 void send_dcp_to_tms ();
68 void copy_from_dvd ();
73 * It is safe to call this from any thread.
79 int encoded_frames () const;
81 std::string file (std::string f) const;
82 std::string dir (std::string d) const;
84 std::string content_path () const;
85 ContentType content_type () const;
87 bool content_is_dvd () const;
89 std::string thumb_file (int) const;
90 std::string thumb_base (int) const;
91 SourceFrame thumb_frame (int) const;
93 int target_audio_sample_rate () const;
95 void write_metadata () const;
96 void read_metadata ();
98 Size cropped_size (Size) const;
99 boost::optional<SourceFrame> dcp_length () const;
100 std::string dci_name () const;
101 std::string dcp_name () const;
103 bool dirty () const {
107 int audio_channels () const;
109 void set_dci_date_today ();
124 CONTENT_AUDIO_STREAM,
138 CONTENT_AUDIO_STREAMS,
146 std::string directory () const {
147 boost::mutex::scoped_lock lm (_directory_mutex);
151 std::string name () const {
152 boost::mutex::scoped_lock lm (_state_mutex);
156 bool use_dci_name () const {
157 boost::mutex::scoped_lock lm (_state_mutex);
158 return _use_dci_name;
161 std::string content () const {
162 boost::mutex::scoped_lock lm (_state_mutex);
166 DCPContentType const * dcp_content_type () const {
167 boost::mutex::scoped_lock lm (_state_mutex);
168 return _dcp_content_type;
171 Format const * format () const {
172 boost::mutex::scoped_lock lm (_state_mutex);
177 boost::mutex::scoped_lock lm (_state_mutex);
181 std::vector<Filter const *> filters () const {
182 boost::mutex::scoped_lock lm (_state_mutex);
186 Scaler const * scaler () const {
187 boost::mutex::scoped_lock lm (_state_mutex);
191 SourceFrame dcp_trim_start () const {
192 boost::mutex::scoped_lock lm (_state_mutex);
193 return _dcp_trim_start;
196 SourceFrame dcp_trim_end () const {
197 boost::mutex::scoped_lock lm (_state_mutex);
198 return _dcp_trim_end;
201 bool dcp_ab () const {
202 boost::mutex::scoped_lock lm (_state_mutex);
206 boost::shared_ptr<AudioStream> content_audio_stream () const {
207 boost::mutex::scoped_lock lm (_state_mutex);
208 return _content_audio_stream;
211 std::vector<std::string> external_audio () const {
212 boost::mutex::scoped_lock lm (_state_mutex);
213 return _external_audio;
216 bool use_content_audio () const {
217 boost::mutex::scoped_lock lm (_state_mutex);
218 return _use_content_audio;
221 float audio_gain () const {
222 boost::mutex::scoped_lock lm (_state_mutex);
226 int audio_delay () const {
227 boost::mutex::scoped_lock lm (_state_mutex);
231 int still_duration () const {
232 boost::mutex::scoped_lock lm (_state_mutex);
233 return _still_duration;
236 boost::shared_ptr<SubtitleStream> subtitle_stream () const {
237 boost::mutex::scoped_lock lm (_state_mutex);
238 return _subtitle_stream;
241 bool with_subtitles () const {
242 boost::mutex::scoped_lock lm (_state_mutex);
243 return _with_subtitles;
246 int subtitle_offset () const {
247 boost::mutex::scoped_lock lm (_state_mutex);
248 return _subtitle_offset;
251 float subtitle_scale () const {
252 boost::mutex::scoped_lock lm (_state_mutex);
253 return _subtitle_scale;
256 std::string audio_language () const {
257 boost::mutex::scoped_lock lm (_state_mutex);
258 return _audio_language;
261 std::string subtitle_language () const {
262 boost::mutex::scoped_lock lm (_state_mutex);
263 return _subtitle_language;
266 std::string territory () const {
267 boost::mutex::scoped_lock lm (_state_mutex);
271 std::string rating () const {
272 boost::mutex::scoped_lock lm (_state_mutex);
276 std::string studio () const {
277 boost::mutex::scoped_lock lm (_state_mutex);
281 std::string facility () const {
282 boost::mutex::scoped_lock lm (_state_mutex);
286 std::string package_type () const {
287 boost::mutex::scoped_lock lm (_state_mutex);
288 return _package_type;
291 std::vector<SourceFrame> thumbs () const {
292 boost::mutex::scoped_lock lm (_state_mutex);
297 boost::mutex::scoped_lock lm (_state_mutex);
301 boost::optional<SourceFrame> length () const {
302 boost::mutex::scoped_lock lm (_state_mutex);
306 std::string content_digest () const {
307 boost::mutex::scoped_lock lm (_state_mutex);
308 return _content_digest;
311 std::vector<boost::shared_ptr<AudioStream> > content_audio_streams () const {
312 boost::mutex::scoped_lock lm (_state_mutex);
313 return _content_audio_streams;
316 std::vector<boost::shared_ptr<SubtitleStream> > subtitle_streams () const {
317 boost::mutex::scoped_lock lm (_state_mutex);
318 return _subtitle_streams;
321 float frames_per_second () const {
322 boost::mutex::scoped_lock lm (_state_mutex);
323 return _frames_per_second;
326 boost::shared_ptr<AudioStream> audio_stream () const;
331 void set_directory (std::string);
332 void set_name (std::string);
333 void set_use_dci_name (bool);
334 virtual void set_content (std::string);
335 void set_dcp_content_type (DCPContentType const *);
336 void set_format (Format const *);
337 void set_crop (Crop);
338 void set_left_crop (int);
339 void set_right_crop (int);
340 void set_top_crop (int);
341 void set_bottom_crop (int);
342 void set_filters (std::vector<Filter const *>);
343 void set_scaler (Scaler const *);
344 void set_dcp_trim_start (int);
345 void set_dcp_trim_end (int);
346 void set_dcp_ab (bool);
347 void set_content_audio_stream (boost::shared_ptr<AudioStream>);
348 void set_external_audio (std::vector<std::string>);
349 void set_use_content_audio (bool);
350 void set_audio_gain (float);
351 void set_audio_delay (int);
352 void set_still_duration (int);
353 void set_subtitle_stream (boost::shared_ptr<SubtitleStream>);
354 void set_with_subtitles (bool);
355 void set_subtitle_offset (int);
356 void set_subtitle_scale (float);
357 void set_audio_language (std::string);
358 void set_subtitle_language (std::string);
359 void set_territory (std::string);
360 void set_rating (std::string);
361 void set_studio (std::string);
362 void set_facility (std::string);
363 void set_package_type (std::string);
364 void set_thumbs (std::vector<SourceFrame>);
365 void set_size (Size);
366 void set_length (SourceFrame);
367 void unset_length ();
368 void set_content_digest (std::string);
369 void set_content_audio_streams (std::vector<boost::shared_ptr<AudioStream> >);
370 void set_subtitle_streams (std::vector<boost::shared_ptr<SubtitleStream> >);
371 void set_frames_per_second (float);
373 /** Emitted when some property has changed */
374 mutable boost::signals2::signal<void (Property)> Changed;
376 /** Current version number of the state file */
377 static int const state_version;
381 /** Log to write to */
384 /** Any running ExamineContentJob, or 0 */
385 boost::shared_ptr<ExamineContentJob> _examine_content_job;
387 /** The date that we should use in a DCI name */
388 boost::gregorian::date _dci_date;
390 std::string thumb_file_for_frame (SourceFrame) const;
391 std::string thumb_base_for_frame (SourceFrame) const;
392 void signal_changed (Property);
393 void examine_content_finished ();
395 /** Complete path to directory containing the film metadata;
396 * must not be relative.
398 std::string _directory;
399 /** Mutex for _directory */
400 mutable boost::mutex _directory_mutex;
402 /** Name for DVD-o-matic */
404 /** True if a auto-generated DCI-compliant name should be used for our DCP */
406 /** File or directory containing content; may be relative to our directory
407 * or an absolute path.
409 std::string _content;
410 /** The type of content that this Film represents (feature, trailer etc.) */
411 DCPContentType const * _dcp_content_type;
412 /** The format to present this Film in (flat, scope, etc.) */
413 Format const * _format;
414 /** The crop to apply to the source */
416 /** Video filters that should be used when generating DCPs */
417 std::vector<Filter const *> _filters;
418 /** Scaler algorithm to use */
419 Scaler const * _scaler;
420 /** Frames to trim off the start of the source */
421 SourceFrame _dcp_trim_start;
422 /** Frames to trim off the end of the source */
423 SourceFrame _dcp_trim_end;
424 /** true to create an A/B comparison DCP, where the left half of the image
425 is the video without any filters or post-processing, and the right half
426 has the specified filters and post-processing.
429 /** The audio stream to use from our content */
430 boost::shared_ptr<AudioStream> _content_audio_stream;
431 /** List of filenames of external audio files, in channel order
432 (L, R, C, Lfe, Ls, Rs)
434 std::vector<std::string> _external_audio;
435 /** true to use audio from our content file; false to use external audio */
436 bool _use_content_audio;
437 /** Gain to apply to audio in dB */
439 /** Delay to apply to audio (positive moves audio later) in milliseconds */
441 /** Duration to make still-sourced films (in seconds) */
443 boost::shared_ptr<SubtitleStream> _subtitle_stream;
444 /** True if subtitles should be shown for this film */
445 bool _with_subtitles;
446 /** y offset for placing subtitles, in source pixels; +ve is further down
447 the frame, -ve is further up.
449 int _subtitle_offset;
450 /** scale factor to apply to subtitles */
451 float _subtitle_scale;
453 /* DCI naming stuff */
454 std::string _audio_language;
455 std::string _subtitle_language;
456 std::string _territory;
459 std::string _facility;
460 std::string _package_type;
462 /* Data which are cached to speed things up */
464 /** Vector of frame indices for each of our `thumbnails' */
465 std::vector<SourceFrame> _thumbs;
466 /** Size, in pixels, of the source (ignoring cropping) */
468 /** Actual length of the source (in video frames) from examining it */
469 boost::optional<SourceFrame> _length;
470 /** MD5 digest of our content file */
471 std::string _content_digest;
472 /** The audio streams in our content */
473 std::vector<boost::shared_ptr<AudioStream> > _content_audio_streams;
474 /** A stream to represent possible external audio (will always exist) */
475 boost::shared_ptr<AudioStream> _external_audio_stream;
476 /** the subtitle streams that we can use */
477 std::vector<boost::shared_ptr<SubtitleStream> > _subtitle_streams;
478 /** Frames per second of the source */
479 float _frames_per_second;
481 /** true if our state has changed since we last saved it */
484 /** Mutex for all state except _directory */
485 mutable boost::mutex _state_mutex;
487 friend class paths_test;