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 some audio and video content, and details of
22 * how they should be presented in a DCP.
25 #ifndef DCPOMATIC_FILM_H
26 #define DCPOMATIC_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 "dci_metadata.h"
38 #include "ffmpeg_content.h"
39 #include "audio_mapping.h"
46 class ExamineContentJob;
47 class AnalyseAudioJob;
48 class ExternalAudioStream;
54 * @brief A representation of some audio and video content, and details of
55 * how they should be presented in a DCP.
57 class Film : public boost::enable_shared_from_this<Film>
60 Film (std::string d, bool must_exist = true);
63 std::string info_dir () const;
64 std::string j2c_path (int f, bool t) const;
65 std::string info_path (int f) const;
66 std::string internal_video_mxf_dir () const;
67 std::string internal_video_mxf_filename () const;
68 std::string audio_analysis_path () const;
70 void examine_content (boost::shared_ptr<Content>);
71 std::string dcp_video_mxf_filename () const;
72 std::string dcp_audio_mxf_filename () const;
74 void analyse_audio ();
75 void send_dcp_to_tms ();
79 * It is safe to call this from any thread.
81 boost::shared_ptr<Log> log () const {
85 int encoded_frames () const;
87 std::string file (std::string f) const;
88 std::string dir (std::string d) const;
90 int target_audio_sample_rate () const;
92 void write_metadata () const;
94 libdcp::Size cropped_size (libdcp::Size) const;
95 std::string dci_name (bool if_created_now) const;
96 std::string dcp_name (bool if_created_now = false) const;
98 /** @return true if our state has changed since we last saved it */
103 bool have_dcp () const;
105 boost::shared_ptr<Player> player () const;
106 boost::shared_ptr<Playlist> playlist () const;
108 /* Proxies for some Playlist methods */
110 ContentList content () const;
112 ContentAudioFrame audio_length () const;
113 int audio_channels () const;
114 int audio_frame_rate () const;
115 bool has_audio () const;
117 bool has_subtitles () const;
119 float video_frame_rate () const;
120 libdcp::Size video_size () const;
121 ContentVideoFrame video_length () const;
123 ContentVideoFrame content_length () const;
134 /** Identifiers for the parts of our state;
135 used for signalling changes.
141 TRUST_CONTENT_HEADERS,
142 /** The playlist's content list has changed (i.e. content has been added, moved around or removed) */
169 std::string directory () const {
170 boost::mutex::scoped_lock lm (_directory_mutex);
174 std::string name () const {
175 boost::mutex::scoped_lock lm (_state_mutex);
179 bool use_dci_name () const {
180 boost::mutex::scoped_lock lm (_state_mutex);
181 return _use_dci_name;
184 bool trust_content_headers () const {
185 boost::mutex::scoped_lock lm (_state_mutex);
186 return _trust_content_headers;
189 DCPContentType const * dcp_content_type () const {
190 boost::mutex::scoped_lock lm (_state_mutex);
191 return _dcp_content_type;
194 Format const * format () const {
195 boost::mutex::scoped_lock lm (_state_mutex);
200 boost::mutex::scoped_lock lm (_state_mutex);
204 std::vector<Filter const *> filters () const {
205 boost::mutex::scoped_lock lm (_state_mutex);
209 Scaler const * scaler () const {
210 boost::mutex::scoped_lock lm (_state_mutex);
214 int trim_start () const {
215 boost::mutex::scoped_lock lm (_state_mutex);
219 int trim_end () const {
220 boost::mutex::scoped_lock lm (_state_mutex);
224 TrimType trim_type () const {
225 boost::mutex::scoped_lock lm (_state_mutex);
230 boost::mutex::scoped_lock lm (_state_mutex);
234 float audio_gain () const {
235 boost::mutex::scoped_lock lm (_state_mutex);
239 int audio_delay () const {
240 boost::mutex::scoped_lock lm (_state_mutex);
244 bool with_subtitles () const {
245 boost::mutex::scoped_lock lm (_state_mutex);
246 return _with_subtitles;
249 int subtitle_offset () const {
250 boost::mutex::scoped_lock lm (_state_mutex);
251 return _subtitle_offset;
254 float subtitle_scale () const {
255 boost::mutex::scoped_lock lm (_state_mutex);
256 return _subtitle_scale;
259 int colour_lut () const {
260 boost::mutex::scoped_lock lm (_state_mutex);
264 int j2k_bandwidth () const {
265 boost::mutex::scoped_lock lm (_state_mutex);
266 return _j2k_bandwidth;
269 DCIMetadata dci_metadata () const {
270 boost::mutex::scoped_lock lm (_state_mutex);
271 return _dci_metadata;
274 int dcp_frame_rate () const {
275 boost::mutex::scoped_lock lm (_state_mutex);
276 return _dcp_frame_rate;
279 AudioMapping audio_mapping () const {
280 boost::mutex::scoped_lock lm (_state_mutex);
281 return _audio_mapping;
286 void set_directory (std::string);
287 void set_name (std::string);
288 void set_use_dci_name (bool);
289 void set_trust_content_headers (bool);
290 void add_content (boost::shared_ptr<Content>);
291 void remove_content (boost::shared_ptr<Content>);
292 void move_content_earlier (boost::shared_ptr<Content>);
293 void move_content_later (boost::shared_ptr<Content>);
294 void set_dcp_content_type (DCPContentType const *);
295 void set_format (Format const *);
296 void set_crop (Crop);
297 void set_left_crop (int);
298 void set_right_crop (int);
299 void set_top_crop (int);
300 void set_bottom_crop (int);
301 void set_filters (std::vector<Filter const *>);
302 void set_scaler (Scaler const *);
303 void set_trim_start (int);
304 void set_trim_end (int);
306 void set_trim_type (TrimType);
307 void set_audio_gain (float);
308 void set_audio_delay (int);
309 void set_with_subtitles (bool);
310 void set_subtitle_offset (int);
311 void set_subtitle_scale (float);
312 void set_colour_lut (int);
313 void set_j2k_bandwidth (int);
314 void set_dci_metadata (DCIMetadata);
315 void set_dcp_frame_rate (int);
316 void set_dci_date_today ();
317 void set_audio_mapping (AudioMapping);
319 /** Emitted when some property has of the Film has changed */
320 mutable boost::signals2::signal<void (Property)> Changed;
322 /** Emitted when some property of our content has changed */
323 mutable boost::signals2::signal<void (boost::weak_ptr<Content>, int)> ContentChanged;
325 boost::signals2::signal<void ()> AudioAnalysisSucceeded;
327 /** Current version number of the state file */
328 static int const state_version;
332 void signal_changed (Property);
333 void analyse_audio_finished ();
334 std::string video_state_identifier () const;
335 void read_metadata ();
336 void playlist_changed ();
337 void playlist_content_changed (boost::weak_ptr<Content>, int);
338 void setup_default_audio_mapping ();
339 std::string filename_safe_name () const;
341 /** Log to write to */
342 boost::shared_ptr<Log> _log;
343 /** Any running AnalyseAudioJob, or 0 */
344 boost::shared_ptr<AnalyseAudioJob> _analyse_audio_job;
345 boost::shared_ptr<Playlist> _playlist;
347 /** Complete path to directory containing the film metadata;
348 * must not be relative.
350 std::string _directory;
351 /** Mutex for _directory */
352 mutable boost::mutex _directory_mutex;
354 /** Name for DCP-o-matic */
356 /** True if a auto-generated DCI-compliant name should be used for our DCP */
358 bool _trust_content_headers;
359 /** The type of content that this Film represents (feature, trailer etc.) */
360 DCPContentType const * _dcp_content_type;
361 /** The format to present this Film in (flat, scope, etc.) */
362 Format const * _format;
363 /** The crop to apply to the source */
365 /** Video filters that should be used when generating DCPs */
366 std::vector<Filter const *> _filters;
367 /** Scaler algorithm to use */
368 Scaler const * _scaler;
369 /** Frames to trim off the start of the DCP */
371 /** Frames to trim off the end of the DCP */
374 /** true to create an A/B comparison DCP, where the left half of the image
375 is the video without any filters or post-processing, and the right half
376 has the specified filters and post-processing.
379 /** Gain to apply to audio in dB */
381 /** Delay to apply to audio (positive moves audio later) in milliseconds */
383 /** True if subtitles should be shown for this film */
384 bool _with_subtitles;
385 /** y offset for placing subtitles, in source pixels; +ve is further down
386 the frame, -ve is further up.
388 int _subtitle_offset;
389 /** scale factor to apply to subtitles */
390 float _subtitle_scale;
391 /** index of colour LUT to use when converting RGB to XYZ.
396 /** bandwidth for J2K files in bits per second */
398 /** DCI naming stuff */
399 DCIMetadata _dci_metadata;
400 /** Frames per second to run our DCP at */
402 /** The date that we should use in a DCI name */
403 boost::gregorian::date _dci_date;
404 AudioMapping _audio_mapping;
406 /** true if our state has changed since we last saved it */
409 /** Mutex for all state except _directory */
410 mutable boost::mutex _state_mutex;
412 friend class paths_test;
413 friend class film_metadata_test;