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"
40 #include "dci_metadata.h"
46 class ExamineContentJob;
47 class AnalyseAudioJob;
48 class ExternalAudioStream;
54 * @brief A representation of a video, maybe with sound.
56 * A representation of a piece of video (maybe with sound), including naming,
57 * the source content file, and how it should be presented in a DCP.
59 class Film : public boost::enable_shared_from_this<Film>
62 Film (std::string d, bool must_exist = true);
66 std::string info_dir () const;
67 std::string j2c_path (int f, bool t) const;
68 std::string info_path (int f) const;
69 std::string video_mxf_dir () const;
70 std::string video_mxf_filename () const;
71 std::string audio_analysis_path () const;
73 void examine_content (boost::shared_ptr<Content>);
74 void analyse_audio ();
75 void send_dcp_to_tms ();
80 * It is safe to call this from any thread.
82 boost::shared_ptr<Log> log () const {
86 int encoded_frames () const;
88 std::string file (std::string f) const;
89 std::string dir (std::string d) const;
91 int target_audio_sample_rate () const;
93 void write_metadata () const;
94 void read_metadata ();
96 libdcp::Size cropped_size (libdcp::Size) const;
97 std::string dci_name (bool if_created_now) const;
98 std::string dcp_name (bool if_created_now = false) const;
100 /** @return true if our state has changed since we last saved it */
101 bool dirty () const {
105 void set_dci_date_today ();
107 bool have_dcp () const;
109 boost::shared_ptr<Player> player () const;
111 ContentAudioFrame audio_length () const;
112 int audio_channels () const;
113 int audio_frame_rate () const;
114 int64_t audio_channel_layout () const;
115 bool has_audio () const;
117 float video_frame_rate () const;
118 libdcp::Size video_size () const;
119 ContentVideoFrame video_length () const;
121 /** Identifiers for the parts of our state;
122 used for signalling changes.
128 TRUST_CONTENT_HEADERS,
154 std::string directory () const {
155 boost::mutex::scoped_lock lm (_directory_mutex);
159 std::string name () const {
160 boost::mutex::scoped_lock lm (_state_mutex);
164 bool use_dci_name () const {
165 boost::mutex::scoped_lock lm (_state_mutex);
166 return _use_dci_name;
169 bool trust_content_headers () const {
170 boost::mutex::scoped_lock lm (_state_mutex);
171 return _trust_content_headers;
174 std::list<boost::shared_ptr<Content> > content () const {
175 boost::mutex::scoped_lock lm (_state_mutex);
179 DCPContentType const * dcp_content_type () const {
180 boost::mutex::scoped_lock lm (_state_mutex);
181 return _dcp_content_type;
184 Format const * format () const {
185 boost::mutex::scoped_lock lm (_state_mutex);
190 boost::mutex::scoped_lock lm (_state_mutex);
194 std::vector<Filter const *> filters () const {
195 boost::mutex::scoped_lock lm (_state_mutex);
199 Scaler const * scaler () const {
200 boost::mutex::scoped_lock lm (_state_mutex);
204 int trim_start () const {
205 boost::mutex::scoped_lock lm (_state_mutex);
209 int trim_end () const {
210 boost::mutex::scoped_lock lm (_state_mutex);
215 boost::mutex::scoped_lock lm (_state_mutex);
219 float audio_gain () const {
220 boost::mutex::scoped_lock lm (_state_mutex);
224 int audio_delay () const {
225 boost::mutex::scoped_lock lm (_state_mutex);
229 bool with_subtitles () const {
230 boost::mutex::scoped_lock lm (_state_mutex);
231 return _with_subtitles;
234 int subtitle_offset () const {
235 boost::mutex::scoped_lock lm (_state_mutex);
236 return _subtitle_offset;
239 float subtitle_scale () const {
240 boost::mutex::scoped_lock lm (_state_mutex);
241 return _subtitle_scale;
244 int colour_lut () const {
245 boost::mutex::scoped_lock lm (_state_mutex);
249 int j2k_bandwidth () const {
250 boost::mutex::scoped_lock lm (_state_mutex);
251 return _j2k_bandwidth;
254 DCIMetadata dci_metadata () const {
255 boost::mutex::scoped_lock lm (_state_mutex);
256 return _dci_metadata;
259 int dcp_frame_rate () const {
260 boost::mutex::scoped_lock lm (_state_mutex);
261 return _dcp_frame_rate;
266 void set_directory (std::string);
267 void set_name (std::string);
268 void set_use_dci_name (bool);
269 void set_trust_content_headers (bool);
270 void add_content (boost::shared_ptr<Content>);
271 void set_dcp_content_type (DCPContentType const *);
272 void set_format (Format const *);
273 void set_crop (Crop);
274 void set_left_crop (int);
275 void set_right_crop (int);
276 void set_top_crop (int);
277 void set_bottom_crop (int);
278 void set_filters (std::vector<Filter const *>);
279 void set_scaler (Scaler const *);
280 void set_trim_start (int);
281 void set_trim_end (int);
283 void set_audio_gain (float);
284 void set_audio_delay (int);
285 void set_still_duration (int);
286 void set_with_subtitles (bool);
287 void set_subtitle_offset (int);
288 void set_subtitle_scale (float);
289 void set_colour_lut (int);
290 void set_j2k_bandwidth (int);
291 void set_dci_metadata (DCIMetadata);
292 void set_dcp_frame_rate (int);
294 /** Emitted when some property has changed */
295 mutable boost::signals2::signal<void (Property)> Changed;
297 boost::signals2::signal<void ()> AudioAnalysisSucceeded;
299 /** Current version number of the state file */
300 static int const state_version;
304 /** Log to write to */
305 boost::shared_ptr<Log> _log;
307 /** Any running AnalyseAudioJob, or 0 */
308 boost::shared_ptr<AnalyseAudioJob> _analyse_audio_job;
310 void signal_changed (Property);
311 void examine_content_finished ();
312 void analyse_audio_finished ();
313 std::string video_state_identifier () const;
315 boost::shared_ptr<Playlist> _playlist;
317 /** Complete path to directory containing the film metadata;
318 * must not be relative.
320 std::string _directory;
321 /** Mutex for _directory */
322 mutable boost::mutex _directory_mutex;
324 /** Name for DVD-o-matic */
326 /** True if a auto-generated DCI-compliant name should be used for our DCP */
328 typedef std::list<boost::shared_ptr<Content> > ContentList;
329 ContentList _content;
330 bool _trust_content_headers;
331 /** The type of content that this Film represents (feature, trailer etc.) */
332 DCPContentType const * _dcp_content_type;
333 /** The format to present this Film in (flat, scope, etc.) */
334 Format const * _format;
335 /** The crop to apply to the source */
337 /** Video filters that should be used when generating DCPs */
338 std::vector<Filter const *> _filters;
339 /** Scaler algorithm to use */
340 Scaler const * _scaler;
341 /** Frames to trim off the start of the DCP */
343 /** Frames to trim off the end of the DCP */
345 /** true to create an A/B comparison DCP, where the left half of the image
346 is the video without any filters or post-processing, and the right half
347 has the specified filters and post-processing.
350 /** Gain to apply to audio in dB */
352 /** Delay to apply to audio (positive moves audio later) in milliseconds */
354 /** True if subtitles should be shown for this film */
355 bool _with_subtitles;
356 /** y offset for placing subtitles, in source pixels; +ve is further down
357 the frame, -ve is further up.
359 int _subtitle_offset;
360 /** scale factor to apply to subtitles */
361 float _subtitle_scale;
362 /** index of colour LUT to use when converting RGB to XYZ.
367 /** bandwidth for J2K files in bits per second */
370 /** DCI naming stuff */
371 DCIMetadata _dci_metadata;
372 /** The date that we should use in a DCI name */
373 boost::gregorian::date _dci_date;
374 /** Frames per second to run our DCP at */
377 /** true if our state has changed since we last saved it */
380 /** Mutex for all state except _directory */
381 mutable boost::mutex _state_mutex;
383 friend class paths_test;
384 friend class film_metadata_test;