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"
47 class ExamineContentJob;
48 class AnalyseAudioJob;
49 class ExternalAudioStream;
55 * @brief A representation of a video, maybe with sound.
57 * A representation of a piece of video (maybe with sound), including naming,
58 * the source content file, and how it should be presented in a DCP.
60 class Film : public boost::enable_shared_from_this<Film>
63 Film (std::string d, bool must_exist = true);
67 std::string info_dir () const;
68 std::string j2c_path (int f, bool t) const;
69 std::string info_path (int f) const;
70 std::string video_mxf_dir () const;
71 std::string video_mxf_filename () const;
72 std::string audio_analysis_path () const;
74 void examine_content (boost::shared_ptr<Content>);
75 void analyse_audio ();
76 void send_dcp_to_tms ();
81 * It is safe to call this from any thread.
83 boost::shared_ptr<Log> log () const {
87 int encoded_frames () const;
89 std::string file (std::string f) const;
90 std::string dir (std::string d) const;
92 int target_audio_sample_rate () const;
94 void write_metadata () const;
95 void read_metadata ();
97 libdcp::Size cropped_size (libdcp::Size) const;
98 std::string dci_name (bool if_created_now) const;
99 std::string dcp_name (bool if_created_now = false) const;
101 /** @return true if our state has changed since we last saved it */
102 bool dirty () const {
106 void set_dci_date_today ();
108 bool have_dcp () const;
110 boost::shared_ptr<Player> player () const;
112 ContentAudioFrame audio_length () const;
113 int audio_channels () const;
114 int audio_frame_rate () const;
115 int64_t audio_channel_layout () const;
116 bool has_audio () const;
118 float video_frame_rate () const;
119 libdcp::Size video_size () const;
120 ContentVideoFrame video_length () const;
122 /** Identifiers for the parts of our state;
123 used for signalling changes.
129 TRUST_CONTENT_HEADERS,
155 std::string directory () const {
156 boost::mutex::scoped_lock lm (_directory_mutex);
160 std::string name () const {
161 boost::mutex::scoped_lock lm (_state_mutex);
165 bool use_dci_name () const {
166 boost::mutex::scoped_lock lm (_state_mutex);
167 return _use_dci_name;
170 bool trust_content_headers () const {
171 boost::mutex::scoped_lock lm (_state_mutex);
172 return _trust_content_headers;
175 ContentList content () const {
176 boost::mutex::scoped_lock lm (_state_mutex);
180 DCPContentType const * dcp_content_type () const {
181 boost::mutex::scoped_lock lm (_state_mutex);
182 return _dcp_content_type;
185 Format const * format () const {
186 boost::mutex::scoped_lock lm (_state_mutex);
191 boost::mutex::scoped_lock lm (_state_mutex);
195 std::vector<Filter const *> filters () const {
196 boost::mutex::scoped_lock lm (_state_mutex);
200 Scaler const * scaler () const {
201 boost::mutex::scoped_lock lm (_state_mutex);
205 int trim_start () const {
206 boost::mutex::scoped_lock lm (_state_mutex);
210 int trim_end () const {
211 boost::mutex::scoped_lock lm (_state_mutex);
216 boost::mutex::scoped_lock lm (_state_mutex);
220 float audio_gain () const {
221 boost::mutex::scoped_lock lm (_state_mutex);
225 int audio_delay () const {
226 boost::mutex::scoped_lock lm (_state_mutex);
230 bool with_subtitles () const {
231 boost::mutex::scoped_lock lm (_state_mutex);
232 return _with_subtitles;
235 int subtitle_offset () const {
236 boost::mutex::scoped_lock lm (_state_mutex);
237 return _subtitle_offset;
240 float subtitle_scale () const {
241 boost::mutex::scoped_lock lm (_state_mutex);
242 return _subtitle_scale;
245 int colour_lut () const {
246 boost::mutex::scoped_lock lm (_state_mutex);
250 int j2k_bandwidth () const {
251 boost::mutex::scoped_lock lm (_state_mutex);
252 return _j2k_bandwidth;
255 DCIMetadata dci_metadata () const {
256 boost::mutex::scoped_lock lm (_state_mutex);
257 return _dci_metadata;
260 int dcp_frame_rate () const {
261 boost::mutex::scoped_lock lm (_state_mutex);
262 return _dcp_frame_rate;
267 void set_directory (std::string);
268 void set_name (std::string);
269 void set_use_dci_name (bool);
270 void set_trust_content_headers (bool);
271 void add_content (boost::shared_ptr<Content>);
272 void remove_content (boost::shared_ptr<Content>);
273 void move_content_earlier (boost::shared_ptr<Content>);
274 void move_content_later (boost::shared_ptr<Content>);
275 void set_dcp_content_type (DCPContentType const *);
276 void set_format (Format const *);
277 void set_crop (Crop);
278 void set_left_crop (int);
279 void set_right_crop (int);
280 void set_top_crop (int);
281 void set_bottom_crop (int);
282 void set_filters (std::vector<Filter const *>);
283 void set_scaler (Scaler const *);
284 void set_trim_start (int);
285 void set_trim_end (int);
287 void set_audio_gain (float);
288 void set_audio_delay (int);
289 void set_still_duration (int);
290 void set_with_subtitles (bool);
291 void set_subtitle_offset (int);
292 void set_subtitle_scale (float);
293 void set_colour_lut (int);
294 void set_j2k_bandwidth (int);
295 void set_dci_metadata (DCIMetadata);
296 void set_dcp_frame_rate (int);
298 /** Emitted when some property has changed */
299 mutable boost::signals2::signal<void (Property)> Changed;
301 boost::signals2::signal<void ()> AudioAnalysisSucceeded;
303 /** Current version number of the state file */
304 static int const state_version;
308 /** Log to write to */
309 boost::shared_ptr<Log> _log;
311 /** Any running AnalyseAudioJob, or 0 */
312 boost::shared_ptr<AnalyseAudioJob> _analyse_audio_job;
314 void signal_changed (Property);
315 void examine_content_finished ();
316 void analyse_audio_finished ();
317 std::string video_state_identifier () const;
319 boost::shared_ptr<Playlist> _playlist;
321 /** Complete path to directory containing the film metadata;
322 * must not be relative.
324 std::string _directory;
325 /** Mutex for _directory */
326 mutable boost::mutex _directory_mutex;
328 /** Name for DVD-o-matic */
330 /** True if a auto-generated DCI-compliant name should be used for our DCP */
332 ContentList _content;
333 bool _trust_content_headers;
334 /** The type of content that this Film represents (feature, trailer etc.) */
335 DCPContentType const * _dcp_content_type;
336 /** The format to present this Film in (flat, scope, etc.) */
337 Format const * _format;
338 /** The crop to apply to the source */
340 /** Video filters that should be used when generating DCPs */
341 std::vector<Filter const *> _filters;
342 /** Scaler algorithm to use */
343 Scaler const * _scaler;
344 /** Frames to trim off the start of the DCP */
346 /** Frames to trim off the end of the DCP */
348 /** true to create an A/B comparison DCP, where the left half of the image
349 is the video without any filters or post-processing, and the right half
350 has the specified filters and post-processing.
353 /** Gain to apply to audio in dB */
355 /** Delay to apply to audio (positive moves audio later) in milliseconds */
357 /** True if subtitles should be shown for this film */
358 bool _with_subtitles;
359 /** y offset for placing subtitles, in source pixels; +ve is further down
360 the frame, -ve is further up.
362 int _subtitle_offset;
363 /** scale factor to apply to subtitles */
364 float _subtitle_scale;
365 /** index of colour LUT to use when converting RGB to XYZ.
370 /** bandwidth for J2K files in bits per second */
373 /** DCI naming stuff */
374 DCIMetadata _dci_metadata;
375 /** The date that we should use in a DCI name */
376 boost::gregorian::date _dci_date;
377 /** Frames per second to run our DCP at */
380 /** true if our state has changed since we last saved it */
383 /** Mutex for all state except _directory */
384 mutable boost::mutex _state_mutex;
386 friend class paths_test;
387 friend class film_metadata_test;