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, maybe with sound.
52 * A representation of a piece of video (maybe 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;
64 void examine_content ();
65 void send_dcp_to_tms ();
70 * It is safe to call this from any thread.
76 int encoded_frames () const;
78 std::string file (std::string f) const;
79 std::string dir (std::string d) const;
81 std::string frame_out_path (int f, bool t) const;
82 std::string hash_out_path (int f, bool t) const;
83 std::string multichannel_audio_out_path (int c, bool t) const;
85 std::string content_path () const;
86 ContentType content_type () const;
88 int target_audio_sample_rate () const;
90 void write_metadata () const;
91 void read_metadata ();
93 libdcp::Size cropped_size (libdcp::Size) const;
94 std::string dci_name () const;
95 std::string dcp_name () const;
97 boost::optional<int> dcp_intrinsic_duration () const {
98 return _dcp_intrinsic_duration;
101 /** @return true if our state has changed since we last saved it */
102 bool dirty () const {
106 int audio_channels () const;
108 void set_dci_date_today ();
110 /** Identifiers for the parts of our state;
111 used for signalling changes.
118 TRUST_CONTENT_HEADER,
128 CONTENT_AUDIO_STREAM,
143 DCP_INTRINSIC_DURATION,
144 CONTENT_AUDIO_STREAMS,
152 std::string directory () const {
153 boost::mutex::scoped_lock lm (_directory_mutex);
157 std::string name () const {
158 boost::mutex::scoped_lock lm (_state_mutex);
162 bool use_dci_name () const {
163 boost::mutex::scoped_lock lm (_state_mutex);
164 return _use_dci_name;
167 std::string content () const {
168 boost::mutex::scoped_lock lm (_state_mutex);
172 bool trust_content_header () const {
173 boost::mutex::scoped_lock lm (_state_mutex);
174 return _trust_content_header;
177 DCPContentType const * dcp_content_type () const {
178 boost::mutex::scoped_lock lm (_state_mutex);
179 return _dcp_content_type;
182 Format const * format () const {
183 boost::mutex::scoped_lock lm (_state_mutex);
188 boost::mutex::scoped_lock lm (_state_mutex);
192 std::vector<Filter const *> filters () const {
193 boost::mutex::scoped_lock lm (_state_mutex);
197 Scaler const * scaler () const {
198 boost::mutex::scoped_lock lm (_state_mutex);
202 int trim_start () const {
203 boost::mutex::scoped_lock lm (_state_mutex);
207 int trim_end () const {
208 boost::mutex::scoped_lock lm (_state_mutex);
212 boost::optional<uint64_t> reel_size () const {
213 boost::mutex::scoped_lock lm (_state_mutex);
217 bool dcp_ab () const {
218 boost::mutex::scoped_lock lm (_state_mutex);
222 boost::shared_ptr<AudioStream> content_audio_stream () const {
223 boost::mutex::scoped_lock lm (_state_mutex);
224 return _content_audio_stream;
227 std::vector<std::string> external_audio () const {
228 boost::mutex::scoped_lock lm (_state_mutex);
229 return _external_audio;
232 bool use_content_audio () const {
233 boost::mutex::scoped_lock lm (_state_mutex);
234 return _use_content_audio;
237 float audio_gain () const {
238 boost::mutex::scoped_lock lm (_state_mutex);
242 int audio_delay () const {
243 boost::mutex::scoped_lock lm (_state_mutex);
247 int still_duration () const {
248 boost::mutex::scoped_lock lm (_state_mutex);
249 return _still_duration;
252 int still_duration_in_frames () const;
254 boost::shared_ptr<SubtitleStream> subtitle_stream () const {
255 boost::mutex::scoped_lock lm (_state_mutex);
256 return _subtitle_stream;
259 bool with_subtitles () const {
260 boost::mutex::scoped_lock lm (_state_mutex);
261 return _with_subtitles;
264 int subtitle_offset () const {
265 boost::mutex::scoped_lock lm (_state_mutex);
266 return _subtitle_offset;
269 float subtitle_scale () const {
270 boost::mutex::scoped_lock lm (_state_mutex);
271 return _subtitle_scale;
274 int colour_lut () const {
275 boost::mutex::scoped_lock lm (_state_mutex);
279 int j2k_bandwidth () const {
280 boost::mutex::scoped_lock lm (_state_mutex);
281 return _j2k_bandwidth;
284 std::string audio_language () const {
285 boost::mutex::scoped_lock lm (_state_mutex);
286 return _audio_language;
289 std::string subtitle_language () const {
290 boost::mutex::scoped_lock lm (_state_mutex);
291 return _subtitle_language;
294 std::string territory () const {
295 boost::mutex::scoped_lock lm (_state_mutex);
299 std::string rating () const {
300 boost::mutex::scoped_lock lm (_state_mutex);
304 std::string studio () const {
305 boost::mutex::scoped_lock lm (_state_mutex);
309 std::string facility () const {
310 boost::mutex::scoped_lock lm (_state_mutex);
314 std::string package_type () const {
315 boost::mutex::scoped_lock lm (_state_mutex);
316 return _package_type;
319 libdcp::Size size () const {
320 boost::mutex::scoped_lock lm (_state_mutex);
324 boost::optional<SourceFrame> length () const {
325 boost::mutex::scoped_lock lm (_state_mutex);
329 std::string content_digest () const {
330 boost::mutex::scoped_lock lm (_state_mutex);
331 return _content_digest;
334 std::vector<boost::shared_ptr<AudioStream> > content_audio_streams () const {
335 boost::mutex::scoped_lock lm (_state_mutex);
336 return _content_audio_streams;
339 std::vector<boost::shared_ptr<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 if (content_type() == STILL) {
350 return _frames_per_second;
353 boost::shared_ptr<AudioStream> audio_stream () const;
358 void set_directory (std::string);
359 void set_name (std::string);
360 void set_use_dci_name (bool);
361 void set_content (std::string);
362 void set_trust_content_header (bool);
363 void set_dcp_content_type (DCPContentType const *);
364 void set_format (Format const *);
365 void set_crop (Crop);
366 void set_left_crop (int);
367 void set_right_crop (int);
368 void set_top_crop (int);
369 void set_bottom_crop (int);
370 void set_filters (std::vector<Filter const *>);
371 void set_scaler (Scaler const *);
372 void set_trim_start (int);
373 void set_trim_end (int);
374 void set_reel_size (uint64_t);
375 void unset_reel_size ();
376 void set_dcp_ab (bool);
377 void set_content_audio_stream (boost::shared_ptr<AudioStream>);
378 void set_external_audio (std::vector<std::string>);
379 void set_use_content_audio (bool);
380 void set_audio_gain (float);
381 void set_audio_delay (int);
382 void set_still_duration (int);
383 void set_subtitle_stream (boost::shared_ptr<SubtitleStream>);
384 void set_with_subtitles (bool);
385 void set_subtitle_offset (int);
386 void set_subtitle_scale (float);
387 void set_colour_lut (int);
388 void set_j2k_bandwidth (int);
389 void set_audio_language (std::string);
390 void set_subtitle_language (std::string);
391 void set_territory (std::string);
392 void set_rating (std::string);
393 void set_studio (std::string);
394 void set_facility (std::string);
395 void set_package_type (std::string);
396 void set_size (libdcp::Size);
397 void set_length (SourceFrame);
398 void unset_length ();
399 void set_dcp_intrinsic_duration (int);
400 void set_content_digest (std::string);
401 void set_content_audio_streams (std::vector<boost::shared_ptr<AudioStream> >);
402 void set_subtitle_streams (std::vector<boost::shared_ptr<SubtitleStream> >);
403 void set_frames_per_second (float);
405 /** Emitted when some property has changed */
406 mutable boost::signals2::signal<void (Property)> Changed;
408 /** Current version number of the state file */
409 static int const state_version;
413 /** Log to write to */
416 /** Any running ExamineContentJob, or 0 */
417 boost::shared_ptr<ExamineContentJob> _examine_content_job;
419 /** The date that we should use in a DCI name */
420 boost::gregorian::date _dci_date;
422 void signal_changed (Property);
423 void examine_content_finished ();
425 /** Complete path to directory containing the film metadata;
426 * must not be relative.
428 std::string _directory;
429 /** Mutex for _directory */
430 mutable boost::mutex _directory_mutex;
432 /** Name for DVD-o-matic */
434 /** True if a auto-generated DCI-compliant name should be used for our DCP */
436 /** File or directory containing content; may be relative to our directory
437 * or an absolute path.
439 std::string _content;
440 /** If this is true, we will believe the length specified by the content
441 * file's header; if false, we will run through the whole content file
442 * the first time we see it in order to obtain the length.
444 bool _trust_content_header;
445 /** The type of content that this Film represents (feature, trailer etc.) */
446 DCPContentType const * _dcp_content_type;
447 /** The format to present this Film in (flat, scope, etc.) */
448 Format const * _format;
449 /** The crop to apply to the source */
451 /** Video filters that should be used when generating DCPs */
452 std::vector<Filter const *> _filters;
453 /** Scaler algorithm to use */
454 Scaler const * _scaler;
455 /** Frames to trim off the start of the DCP */
457 /** Frames to trim off the end of the DCP */
459 /** Approximate target reel size in bytes; if not set, use a single reel */
460 boost::optional<uint64_t> _reel_size;
461 /** true to create an A/B comparison DCP, where the left half of the image
462 is the video without any filters or post-processing, and the right half
463 has the specified filters and post-processing.
466 /** The audio stream to use from our content */
467 boost::shared_ptr<AudioStream> _content_audio_stream;
468 /** List of filenames of external audio files, in channel order
469 (L, R, C, Lfe, Ls, Rs)
471 std::vector<std::string> _external_audio;
472 /** true to use audio from our content file; false to use external audio */
473 bool _use_content_audio;
474 /** Gain to apply to audio in dB */
476 /** Delay to apply to audio (positive moves audio later) in milliseconds */
478 /** Duration to make still-sourced films (in seconds) */
480 boost::shared_ptr<SubtitleStream> _subtitle_stream;
481 /** True if subtitles should be shown for this film */
482 bool _with_subtitles;
483 /** y offset for placing subtitles, in source pixels; +ve is further down
484 the frame, -ve is further up.
486 int _subtitle_offset;
487 /** scale factor to apply to subtitles */
488 float _subtitle_scale;
489 /** index of colour LUT to use when converting RGB to XYZ.
494 /** bandwidth for J2K files in bits per second */
497 /* DCI naming stuff */
498 std::string _audio_language;
499 std::string _subtitle_language;
500 std::string _territory;
503 std::string _facility;
504 std::string _package_type;
506 /* Data which are cached to speed things up */
508 /** Size, in pixels, of the source (ignoring cropping) */
510 /** The length of the source, in video frames (as far as we know) */
511 boost::optional<SourceFrame> _length;
512 boost::optional<int> _dcp_intrinsic_duration;
513 /** MD5 digest of our content file */
514 std::string _content_digest;
515 /** The audio streams in our content */
516 std::vector<boost::shared_ptr<AudioStream> > _content_audio_streams;
517 /** A stream to represent possible external audio (will always exist) */
518 boost::shared_ptr<AudioStream> _external_audio_stream;
519 /** the subtitle streams that we can use */
520 std::vector<boost::shared_ptr<SubtitleStream> > _subtitle_streams;
521 /** Frames per second of the source */
522 float _frames_per_second;
524 /** true if our state has changed since we last saved it */
527 /** Mutex for all state except _directory */
528 mutable boost::mutex _state_mutex;
530 friend class paths_test;