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 ();
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 std::string thumb_file (int) const;
86 std::string thumb_base (int) const;
87 SourceFrame thumb_frame (int) const;
89 int target_audio_sample_rate () const;
91 void write_metadata () const;
92 void read_metadata ();
94 Size cropped_size (Size) const;
95 boost::optional<SourceFrame> dcp_length () const;
96 std::string dci_name () const;
97 std::string dcp_name () const;
103 int audio_channels () const;
105 void set_dci_date_today ();
142 std::string directory () const {
143 boost::mutex::scoped_lock lm (_directory_mutex);
147 std::string name () const {
148 boost::mutex::scoped_lock lm (_state_mutex);
152 bool use_dci_name () const {
153 boost::mutex::scoped_lock lm (_state_mutex);
154 return _use_dci_name;
157 std::string content () const {
158 boost::mutex::scoped_lock lm (_state_mutex);
162 DCPContentType const * dcp_content_type () const {
163 boost::mutex::scoped_lock lm (_state_mutex);
164 return _dcp_content_type;
167 Format const * format () const {
168 boost::mutex::scoped_lock lm (_state_mutex);
173 boost::mutex::scoped_lock lm (_state_mutex);
177 std::vector<Filter const *> filters () const {
178 boost::mutex::scoped_lock lm (_state_mutex);
182 Scaler const * scaler () const {
183 boost::mutex::scoped_lock lm (_state_mutex);
187 SourceFrame dcp_trim_start () const {
188 boost::mutex::scoped_lock lm (_state_mutex);
189 return _dcp_trim_start;
192 SourceFrame dcp_trim_end () const {
193 boost::mutex::scoped_lock lm (_state_mutex);
194 return _dcp_trim_end;
197 bool dcp_ab () const {
198 boost::mutex::scoped_lock lm (_state_mutex);
202 int audio_stream_index () const {
203 boost::mutex::scoped_lock lm (_state_mutex);
204 return _audio_stream;
207 AudioStream audio_stream () const {
208 boost::mutex::scoped_lock lm (_state_mutex);
209 assert (_audio_stream < int (_audio_streams.size()));
210 return _audio_streams[_audio_stream];
213 float audio_gain () const {
214 boost::mutex::scoped_lock lm (_state_mutex);
218 int audio_delay () const {
219 boost::mutex::scoped_lock lm (_state_mutex);
223 int still_duration () const {
224 boost::mutex::scoped_lock lm (_state_mutex);
225 return _still_duration;
228 int subtitle_stream_index () const {
229 boost::mutex::scoped_lock lm (_state_mutex);
230 return _subtitle_stream;
233 SubtitleStream subtitle_stream () const {
234 boost::mutex::scoped_lock lm (_state_mutex);
235 assert (_subtitle_stream < int (_subtitle_streams.size()));
236 return _subtitle_streams[_subtitle_stream];
239 bool with_subtitles () const {
240 boost::mutex::scoped_lock lm (_state_mutex);
241 return _with_subtitles;
244 int subtitle_offset () const {
245 boost::mutex::scoped_lock lm (_state_mutex);
246 return _subtitle_offset;
249 float subtitle_scale () const {
250 boost::mutex::scoped_lock lm (_state_mutex);
251 return _subtitle_scale;
254 std::string audio_language () const {
255 boost::mutex::scoped_lock lm (_state_mutex);
256 return _audio_language;
259 std::string subtitle_language () const {
260 boost::mutex::scoped_lock lm (_state_mutex);
261 return _subtitle_language;
264 std::string territory () const {
265 boost::mutex::scoped_lock lm (_state_mutex);
269 std::string rating () const {
270 boost::mutex::scoped_lock lm (_state_mutex);
274 std::string studio () const {
275 boost::mutex::scoped_lock lm (_state_mutex);
279 std::string facility () const {
280 boost::mutex::scoped_lock lm (_state_mutex);
284 std::string package_type () const {
285 boost::mutex::scoped_lock lm (_state_mutex);
286 return _package_type;
289 std::vector<SourceFrame> thumbs () const {
290 boost::mutex::scoped_lock lm (_state_mutex);
295 boost::mutex::scoped_lock lm (_state_mutex);
299 boost::optional<SourceFrame> length () const {
300 boost::mutex::scoped_lock lm (_state_mutex);
304 int audio_sample_rate () const {
305 boost::mutex::scoped_lock lm (_state_mutex);
306 return _audio_sample_rate;
309 std::string content_digest () const {
310 boost::mutex::scoped_lock lm (_state_mutex);
311 return _content_digest;
314 bool has_subtitles () const {
315 boost::mutex::scoped_lock lm (_state_mutex);
316 return _has_subtitles;
319 std::vector<AudioStream> audio_streams () const {
320 boost::mutex::scoped_lock lm (_state_mutex);
321 return _audio_streams;
324 std::vector<SubtitleStream> subtitle_streams () const {
325 boost::mutex::scoped_lock lm (_state_mutex);
326 return _subtitle_streams;
329 float frames_per_second () const {
330 boost::mutex::scoped_lock lm (_state_mutex);
331 return _frames_per_second;
337 void set_directory (std::string);
338 void set_name (std::string);
339 void set_use_dci_name (bool);
340 void set_content (std::string);
341 void set_dcp_content_type (DCPContentType const *);
342 void set_format (Format const *);
343 void set_crop (Crop);
344 void set_left_crop (int);
345 void set_right_crop (int);
346 void set_top_crop (int);
347 void set_bottom_crop (int);
348 void set_filters (std::vector<Filter const *>);
349 void set_scaler (Scaler const *);
350 void set_dcp_trim_start (int);
351 void set_dcp_trim_end (int);
352 void set_dcp_ab (bool);
353 void set_audio_stream (int);
354 void set_audio_gain (float);
355 void set_audio_delay (int);
356 void set_still_duration (int);
357 void set_subtitle_stream (int);
358 void set_with_subtitles (bool);
359 void set_subtitle_offset (int);
360 void set_subtitle_scale (float);
361 void set_audio_language (std::string);
362 void set_subtitle_language (std::string);
363 void set_territory (std::string);
364 void set_rating (std::string);
365 void set_studio (std::string);
366 void set_facility (std::string);
367 void set_package_type (std::string);
368 void set_thumbs (std::vector<SourceFrame>);
369 void set_size (Size);
370 void set_length (SourceFrame);
371 void unset_length ();
372 void set_audio_sample_rate (int);
373 void set_content_digest (std::string);
374 void set_has_subtitles (bool);
375 void set_audio_streams (std::vector<AudioStream>);
376 void set_subtitle_streams (std::vector<SubtitleStream>);
377 void set_frames_per_second (float);
379 /** Emitted when some property has changed */
380 mutable boost::signals2::signal<void (Property)> Changed;
384 /** Log to write to */
387 /** Any running ExamineContentJob, or 0 */
388 boost::shared_ptr<ExamineContentJob> _examine_content_job;
390 /** The date that we should use in a DCI name */
391 boost::gregorian::date _dci_date;
393 std::string thumb_file_for_frame (SourceFrame) const;
394 std::string thumb_base_for_frame (SourceFrame) const;
395 void signal_changed (Property);
396 void examine_content_finished ();
398 /** Complete path to directory containing the film metadata;
399 * must not be relative.
401 std::string _directory;
402 /** Mutex for _directory */
403 mutable boost::mutex _directory_mutex;
405 /** Name for DVD-o-matic */
407 /** True if a auto-generated DCI-compliant name should be used for our DCP */
409 /** File or directory containing content; may be relative to our directory
410 * or an absolute path.
412 std::string _content;
413 /** The type of content that this Film represents (feature, trailer etc.) */
414 DCPContentType const * _dcp_content_type;
415 /** The format to present this Film in (flat, scope, etc.) */
416 Format const * _format;
417 /** The crop to apply to the source */
419 /** Video filters that should be used when generating DCPs */
420 std::vector<Filter const *> _filters;
421 /** Scaler algorithm to use */
422 Scaler const * _scaler;
423 /** Frames to trim off the start of the source */
424 SourceFrame _dcp_trim_start;
425 /** Frames to trim off the end of the source */
426 SourceFrame _dcp_trim_end;
427 /** true to create an A/B comparison DCP, where the left half of the image
428 is the video without any filters or post-processing, and the right half
429 has the specified filters and post-processing.
432 /** An index into our _audio_streams vector for the stream to use for audio, or -1 if there is none */
434 /** Gain to apply to audio in dB */
436 /** Delay to apply to audio (positive moves audio later) in milliseconds */
438 /** Duration to make still-sourced films (in seconds) */
440 /** An index into our _subtitle_streams vector for the stream to use for subtitles, or -1 if there is none */
441 int _subtitle_stream;
442 /** True if subtitles should be shown for this film */
443 bool _with_subtitles;
444 /** y offset for placing subtitles, in source pixels; +ve is further down
445 the frame, -ve is further up.
447 int _subtitle_offset;
448 /** scale factor to apply to subtitles */
449 float _subtitle_scale;
451 /* DCI naming stuff */
452 std::string _audio_language;
453 std::string _subtitle_language;
454 std::string _territory;
457 std::string _facility;
458 std::string _package_type;
460 /* Data which are cached to speed things up */
462 /** Vector of frame indices for each of our `thumbnails' */
463 std::vector<SourceFrame> _thumbs;
464 /** Size, in pixels, of the source (ignoring cropping) */
466 /** Actual length of the source (in video frames) from examining it */
467 boost::optional<SourceFrame> _length;
468 /** Sample rate of the source audio, in Hz */
469 int _audio_sample_rate;
470 /** MD5 digest of our content file */
471 std::string _content_digest;
472 /** true if the source has subtitles */
474 /** the audio streams that the source has */
475 std::vector<AudioStream> _audio_streams;
476 /** the subtitle streams that the source has */
477 std::vector<SubtitleStream> _subtitle_streams;
478 /** Frames per second of the source */
479 float _frames_per_second;
483 /** Mutex for all state except _directory */
484 mutable boost::mutex _state_mutex;
486 friend class paths_test;