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"
41 #include "dci_metadata.h"
47 class ExamineContentJob;
48 class AnalyseAudioJob;
49 class ExternalAudioStream;
53 * @brief A representation of a video, maybe with sound.
55 * A representation of a piece of video (maybe with sound), including naming,
56 * the source content file, and how it should be presented in a DCP.
58 class Film : public boost::enable_shared_from_this<Film>
61 Film (std::string d, bool must_exist = true);
65 std::string info_dir () const;
66 std::string j2c_path (int f, bool t) const;
67 std::string info_path (int f) const;
68 std::string video_mxf_dir () const;
69 std::string video_mxf_filename () const;
70 std::string audio_analysis_path () const;
72 void examine_content ();
73 void analyse_audio ();
74 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 std::string content_path () const;
91 ContentType content_type () const;
93 int target_audio_sample_rate () const;
95 void write_metadata () const;
96 void read_metadata ();
98 libdcp::Size cropped_size (libdcp::Size) const;
99 std::string dci_name (bool if_created_now) const;
100 std::string dcp_name (bool if_created_now = false) const;
102 /** @return true if our state has changed since we last saved it */
103 bool dirty () const {
107 int audio_channels () const;
109 void set_dci_date_today ();
111 bool have_dcp () const;
113 /** Identifiers for the parts of our state;
114 used for signalling changes.
120 TRUST_CONTENT_HEADER,
145 std::string directory () const {
146 boost::mutex::scoped_lock lm (_directory_mutex);
150 std::string name () const {
151 boost::mutex::scoped_lock lm (_state_mutex);
155 bool use_dci_name () const {
156 boost::mutex::scoped_lock lm (_state_mutex);
157 return _use_dci_name;
160 bool trust_content_header () const {
161 boost::mutex::scoped_lock lm (_state_mutex);
162 return _trust_content_header;
165 DCPContentType const * dcp_content_type () const {
166 boost::mutex::scoped_lock lm (_state_mutex);
167 return _dcp_content_type;
170 Format const * format () const {
171 boost::mutex::scoped_lock lm (_state_mutex);
176 boost::mutex::scoped_lock lm (_state_mutex);
180 std::vector<Filter const *> filters () const {
181 boost::mutex::scoped_lock lm (_state_mutex);
185 Scaler const * scaler () const {
186 boost::mutex::scoped_lock lm (_state_mutex);
190 int trim_start () const {
191 boost::mutex::scoped_lock lm (_state_mutex);
195 int trim_end () const {
196 boost::mutex::scoped_lock lm (_state_mutex);
200 bool dcp_ab () const {
201 boost::mutex::scoped_lock lm (_state_mutex);
205 float audio_gain () const {
206 boost::mutex::scoped_lock lm (_state_mutex);
210 int audio_delay () const {
211 boost::mutex::scoped_lock lm (_state_mutex);
215 boost::shared_ptr<SubtitleStream> subtitle_stream () const {
216 boost::mutex::scoped_lock lm (_state_mutex);
217 return _subtitle_stream;
220 bool with_subtitles () const {
221 boost::mutex::scoped_lock lm (_state_mutex);
222 return _with_subtitles;
225 int subtitle_offset () const {
226 boost::mutex::scoped_lock lm (_state_mutex);
227 return _subtitle_offset;
230 float subtitle_scale () const {
231 boost::mutex::scoped_lock lm (_state_mutex);
232 return _subtitle_scale;
235 int colour_lut () const {
236 boost::mutex::scoped_lock lm (_state_mutex);
240 int j2k_bandwidth () const {
241 boost::mutex::scoped_lock lm (_state_mutex);
242 return _j2k_bandwidth;
245 DCIMetadata dci_metadata () const {
246 boost::mutex::scoped_lock lm (_state_mutex);
247 return _dci_metadata;
250 int dcp_frame_rate () const {
251 boost::mutex::scoped_lock lm (_state_mutex);
252 return _dcp_frame_rate;
255 boost::shared_ptr<AudioStream> audio_stream () const;
256 bool has_audio () const;
260 void set_directory (std::string);
261 void set_name (std::string);
262 void set_use_dci_name (bool);
263 void set_trust_content_header (bool);
264 void set_dcp_content_type (DCPContentType const *);
265 void set_format (Format const *);
266 void set_crop (Crop);
267 void set_left_crop (int);
268 void set_right_crop (int);
269 void set_top_crop (int);
270 void set_bottom_crop (int);
271 void set_filters (std::vector<Filter const *>);
272 void set_scaler (Scaler const *);
273 void set_trim_start (int);
274 void set_trim_end (int);
275 void set_dcp_ab (bool);
276 void set_audio_gain (float);
277 void set_audio_delay (int);
278 void set_still_duration (int);
279 void set_with_subtitles (bool);
280 void set_subtitle_offset (int);
281 void set_subtitle_scale (float);
282 void set_colour_lut (int);
283 void set_j2k_bandwidth (int);
284 void set_dci_metadata (DCIMetadata);
285 void set_dcp_frame_rate (int);
287 /** Emitted when some property has changed */
288 mutable boost::signals2::signal<void (Property)> Changed;
290 boost::signals2::signal<void ()> AudioAnalysisSucceeded;
292 /** Current version number of the state file */
293 static int const state_version;
297 /** Log to write to */
298 boost::shared_ptr<Log> _log;
300 /** Any running ExamineContentJob, or 0 */
301 boost::shared_ptr<ExamineContentJob> _examine_content_job;
302 /** Any running AnalyseAudioJob, or 0 */
303 boost::shared_ptr<AnalyseAudioJob> _analyse_audio_job;
305 void signal_changed (Property);
306 void examine_content_finished ();
307 void analyse_audio_finished ();
308 std::string video_state_identifier () const;
310 /** Complete path to directory containing the film metadata;
311 * must not be relative.
313 std::string _directory;
314 /** Mutex for _directory */
315 mutable boost::mutex _directory_mutex;
317 /** Name for DVD-o-matic */
319 /** True if a auto-generated DCI-compliant name should be used for our DCP */
321 std::list<boost::shared_ptr<Content> > _content;
322 /** If this is true, we will believe the length specified by the content
323 * file's header; if false, we will run through the whole content file
324 * the first time we see it in order to obtain the length.
326 bool _trust_content_header;
327 /** The type of content that this Film represents (feature, trailer etc.) */
328 DCPContentType const * _dcp_content_type;
329 /** The format to present this Film in (flat, scope, etc.) */
330 Format const * _format;
331 /** The crop to apply to the source */
333 /** Video filters that should be used when generating DCPs */
334 std::vector<Filter const *> _filters;
335 /** Scaler algorithm to use */
336 Scaler const * _scaler;
337 /** Frames to trim off the start of the DCP */
339 /** Frames to trim off the end of the DCP */
341 /** true to create an A/B comparison DCP, where the left half of the image
342 is the video without any filters or post-processing, and the right half
343 has the specified filters and post-processing.
346 /** Gain to apply to audio in dB */
348 /** Delay to apply to audio (positive moves audio later) in milliseconds */
350 /** True if subtitles should be shown for this film */
351 bool _with_subtitles;
352 /** y offset for placing subtitles, in source pixels; +ve is further down
353 the frame, -ve is further up.
355 int _subtitle_offset;
356 /** scale factor to apply to subtitles */
357 float _subtitle_scale;
358 /** index of colour LUT to use when converting RGB to XYZ.
363 /** bandwidth for J2K files in bits per second */
366 /** DCI naming stuff */
367 DCIMetadata _dci_metadata;
368 /** The date that we should use in a DCI name */
369 boost::gregorian::date _dci_date;
370 /** Frames per second to run our DCP at */
373 /** true if our state has changed since we last saved it */
376 /** Mutex for all state except _directory */
377 mutable boost::mutex _state_mutex;
379 friend class paths_test;
380 friend class film_metadata_test;