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;
49 * @brief A representation of a video with sound.
51 * A representation of a piece of video (with sound), including naming,
52 * the source content file, and how it should be presented in a DCP.
54 class Film : public boost::enable_shared_from_this<Film>
57 Film (std::string d, bool must_exist = true);
61 std::string j2k_dir () const;
62 std::vector<std::string> audio_files () const;
63 std::pair<Position, std::string> thumb_subtitle (int) const;
65 void examine_content ();
66 void send_dcp_to_tms ();
67 void copy_from_dvd ();
72 * It is safe to call this from any thread.
78 int encoded_frames () const;
80 std::string file (std::string f) const;
81 std::string dir (std::string d) const;
83 std::string content_path () const;
84 ContentType content_type () const;
86 bool content_is_dvd () const;
88 std::string thumb_file (int) const;
89 std::string thumb_base (int) const;
90 SourceFrame thumb_frame (int) const;
92 int target_audio_sample_rate () const;
94 void write_metadata () const;
95 void read_metadata ();
97 Size cropped_size (Size) const;
98 boost::optional<SourceFrame> dcp_length () const;
99 std::string dci_name () const;
100 std::string dcp_name () const;
102 bool dirty () const {
106 int audio_channels () const;
108 void set_dci_date_today ();
147 std::string directory () const {
148 boost::mutex::scoped_lock lm (_directory_mutex);
152 std::string name () const {
153 boost::mutex::scoped_lock lm (_state_mutex);
157 bool use_dci_name () const {
158 boost::mutex::scoped_lock lm (_state_mutex);
159 return _use_dci_name;
162 std::string content () const {
163 boost::mutex::scoped_lock lm (_state_mutex);
167 DCPContentType const * dcp_content_type () const {
168 boost::mutex::scoped_lock lm (_state_mutex);
169 return _dcp_content_type;
172 Format const * format () const {
173 boost::mutex::scoped_lock lm (_state_mutex);
178 boost::mutex::scoped_lock lm (_state_mutex);
182 std::vector<Filter const *> filters () const {
183 boost::mutex::scoped_lock lm (_state_mutex);
187 Scaler const * scaler () const {
188 boost::mutex::scoped_lock lm (_state_mutex);
192 SourceFrame dcp_trim_start () const {
193 boost::mutex::scoped_lock lm (_state_mutex);
194 return _dcp_trim_start;
197 SourceFrame dcp_trim_end () const {
198 boost::mutex::scoped_lock lm (_state_mutex);
199 return _dcp_trim_end;
202 bool dcp_ab () const {
203 boost::mutex::scoped_lock lm (_state_mutex);
207 bool use_source_audio () const {
208 boost::mutex::scoped_lock lm (_state_mutex);
209 return _use_source_audio;
212 int audio_stream_index () const {
213 boost::mutex::scoped_lock lm (_state_mutex);
214 return _audio_stream;
217 AudioStream audio_stream () const {
218 boost::mutex::scoped_lock lm (_state_mutex);
219 assert (_audio_stream < int (_audio_streams.size()));
220 return _audio_streams[_audio_stream];
223 std::vector<std::string> external_audio () const {
224 boost::mutex::scoped_lock lm (_state_mutex);
225 return _external_audio;
228 float audio_gain () const {
229 boost::mutex::scoped_lock lm (_state_mutex);
233 int audio_delay () const {
234 boost::mutex::scoped_lock lm (_state_mutex);
238 int still_duration () const {
239 boost::mutex::scoped_lock lm (_state_mutex);
240 return _still_duration;
243 int subtitle_stream_index () const {
244 boost::mutex::scoped_lock lm (_state_mutex);
245 return _subtitle_stream;
248 SubtitleStream subtitle_stream () const {
249 boost::mutex::scoped_lock lm (_state_mutex);
250 assert (_subtitle_stream < int (_subtitle_streams.size()));
251 return _subtitle_streams[_subtitle_stream];
254 bool with_subtitles () const {
255 boost::mutex::scoped_lock lm (_state_mutex);
256 return _with_subtitles;
259 int subtitle_offset () const {
260 boost::mutex::scoped_lock lm (_state_mutex);
261 return _subtitle_offset;
264 float subtitle_scale () const {
265 boost::mutex::scoped_lock lm (_state_mutex);
266 return _subtitle_scale;
269 std::string audio_language () const {
270 boost::mutex::scoped_lock lm (_state_mutex);
271 return _audio_language;
274 std::string subtitle_language () const {
275 boost::mutex::scoped_lock lm (_state_mutex);
276 return _subtitle_language;
279 std::string territory () const {
280 boost::mutex::scoped_lock lm (_state_mutex);
284 std::string rating () const {
285 boost::mutex::scoped_lock lm (_state_mutex);
289 std::string studio () const {
290 boost::mutex::scoped_lock lm (_state_mutex);
294 std::string facility () const {
295 boost::mutex::scoped_lock lm (_state_mutex);
299 std::string package_type () const {
300 boost::mutex::scoped_lock lm (_state_mutex);
301 return _package_type;
304 std::vector<SourceFrame> thumbs () const {
305 boost::mutex::scoped_lock lm (_state_mutex);
310 boost::mutex::scoped_lock lm (_state_mutex);
314 boost::optional<SourceFrame> length () const {
315 boost::mutex::scoped_lock lm (_state_mutex);
319 int audio_sample_rate () const {
320 boost::mutex::scoped_lock lm (_state_mutex);
321 return _audio_sample_rate;
324 std::string content_digest () const {
325 boost::mutex::scoped_lock lm (_state_mutex);
326 return _content_digest;
329 bool has_subtitles () const {
330 boost::mutex::scoped_lock lm (_state_mutex);
331 return _has_subtitles;
334 std::vector<AudioStream> audio_streams () const {
335 boost::mutex::scoped_lock lm (_state_mutex);
336 return _audio_streams;
339 std::vector<SubtitleStream> subtitle_streams () const {
340 boost::mutex::scoped_lock lm (_state_mutex);
341 return _subtitle_streams;
344 float frames_per_second () const {
345 boost::mutex::scoped_lock lm (_state_mutex);
346 return _frames_per_second;
352 void set_directory (std::string);
353 void set_name (std::string);
354 void set_use_dci_name (bool);
355 virtual void set_content (std::string);
356 void set_dcp_content_type (DCPContentType const *);
357 void set_format (Format const *);
358 void set_crop (Crop);
359 void set_left_crop (int);
360 void set_right_crop (int);
361 void set_top_crop (int);
362 void set_bottom_crop (int);
363 void set_filters (std::vector<Filter const *>);
364 void set_scaler (Scaler const *);
365 void set_dcp_trim_start (int);
366 void set_dcp_trim_end (int);
367 void set_dcp_ab (bool);
368 void set_use_source_audio (bool);
369 void set_audio_stream (int);
370 void set_external_audio (std::vector<std::string>);
371 void set_audio_gain (float);
372 void set_audio_delay (int);
373 void set_still_duration (int);
374 void set_subtitle_stream (int);
375 void set_with_subtitles (bool);
376 void set_subtitle_offset (int);
377 void set_subtitle_scale (float);
378 void set_audio_language (std::string);
379 void set_subtitle_language (std::string);
380 void set_territory (std::string);
381 void set_rating (std::string);
382 void set_studio (std::string);
383 void set_facility (std::string);
384 void set_package_type (std::string);
385 void set_thumbs (std::vector<SourceFrame>);
386 void set_size (Size);
387 void set_length (SourceFrame);
388 void unset_length ();
389 void set_audio_sample_rate (int);
390 void set_content_digest (std::string);
391 void set_has_subtitles (bool);
392 void set_audio_streams (std::vector<AudioStream>);
393 void set_subtitle_streams (std::vector<SubtitleStream>);
394 void set_frames_per_second (float);
396 /** Emitted when some property has changed */
397 mutable boost::signals2::signal<void (Property)> Changed;
401 /** Log to write to */
404 /** Any running ExamineContentJob, or 0 */
405 boost::shared_ptr<ExamineContentJob> _examine_content_job;
407 /** The date that we should use in a DCI name */
408 boost::gregorian::date _dci_date;
410 std::string thumb_file_for_frame (SourceFrame) const;
411 std::string thumb_base_for_frame (SourceFrame) const;
412 void signal_changed (Property);
413 void examine_content_finished ();
415 /** Complete path to directory containing the film metadata;
416 * must not be relative.
418 std::string _directory;
419 /** Mutex for _directory */
420 mutable boost::mutex _directory_mutex;
422 /** Name for DVD-o-matic */
424 /** True if a auto-generated DCI-compliant name should be used for our DCP */
426 /** File or directory containing content; may be relative to our directory
427 * or an absolute path.
429 std::string _content;
430 /** The type of content that this Film represents (feature, trailer etc.) */
431 DCPContentType const * _dcp_content_type;
432 /** The format to present this Film in (flat, scope, etc.) */
433 Format const * _format;
434 /** The crop to apply to the source */
436 /** Video filters that should be used when generating DCPs */
437 std::vector<Filter const *> _filters;
438 /** Scaler algorithm to use */
439 Scaler const * _scaler;
440 /** Frames to trim off the start of the source */
441 SourceFrame _dcp_trim_start;
442 /** Frames to trim off the end of the source */
443 SourceFrame _dcp_trim_end;
444 /** true to create an A/B comparison DCP, where the left half of the image
445 is the video without any filters or post-processing, and the right half
446 has the specified filters and post-processing.
449 bool _use_source_audio;
450 /** An index into our _audio_streams vector for the stream to use for audio, or -1 if there is none */
452 std::vector<std::string> _external_audio;
453 /** Gain to apply to audio in dB */
455 /** Delay to apply to audio (positive moves audio later) in milliseconds */
457 /** Duration to make still-sourced films (in seconds) */
459 /** An index into our _subtitle_streams vector for the stream to use for subtitles, or -1 if there is none */
460 int _subtitle_stream;
461 /** True if subtitles should be shown for this film */
462 bool _with_subtitles;
463 /** y offset for placing subtitles, in source pixels; +ve is further down
464 the frame, -ve is further up.
466 int _subtitle_offset;
467 /** scale factor to apply to subtitles */
468 float _subtitle_scale;
470 /* DCI naming stuff */
471 std::string _audio_language;
472 std::string _subtitle_language;
473 std::string _territory;
476 std::string _facility;
477 std::string _package_type;
479 /* Data which are cached to speed things up */
481 /** Vector of frame indices for each of our `thumbnails' */
482 std::vector<SourceFrame> _thumbs;
483 /** Size, in pixels, of the source (ignoring cropping) */
485 /** Actual length of the source (in video frames) from examining it */
486 boost::optional<SourceFrame> _length;
487 /** Sample rate of the source audio, in Hz */
488 int _audio_sample_rate;
489 /** MD5 digest of our content file */
490 std::string _content_digest;
491 /** true if the source has subtitles */
493 /** the audio streams that the source has */
494 std::vector<AudioStream> _audio_streams;
495 /** the subtitle streams that the source has */
496 std::vector<SubtitleStream> _subtitle_streams;
497 /** Frames per second of the source */
498 float _frames_per_second;
502 /** Mutex for all state except _directory */
503 mutable boost::mutex _state_mutex;
505 friend class paths_test;