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 <sigc++/signal.h>
35 #include <libavcodec/avcodec.h>
37 #include "dcp_content_type.h"
38 #include "film_state.h"
44 class ExamineContentJob;
47 * @brief A representation of a video with sound.
49 * A representation of a piece of video (with sound), including naming,
50 * the source content file, and how it should be presented in a DCP.
55 Film (std::string d, bool must_exist = true);
59 void write_metadata () const;
61 /** @return complete path to directory containing the film metadata */
62 std::string directory () const {
63 return _state.directory;
66 std::string content () const;
67 ContentType content_type () const;
69 /** @return name for DVD-o-matic */
70 std::string name () const {
74 /** @return name to give the DCP */
75 std::string dcp_name () const {
76 return _state.dcp_name ();
79 /** @return true to use a DCI-spec name for the DCP */
80 bool use_dci_name () const {
81 return _state.use_dci_name;
84 /** @return number of pixels to crop from the sides of the original picture */
89 /** @return the format to present this film in (flat, scope, etc.) */
90 Format const * format () const {
94 /** @return video filters that should be used when generating DCPs */
95 std::vector<Filter const *> filters () const {
96 return _state.filters;
99 /** @return scaler algorithm to use */
100 Scaler const * scaler () const {
101 return _state.scaler;
104 /** @return number of frames to put in the DCP, or 0 for all */
105 int dcp_frames () const {
106 return _state.dcp_frames;
109 /** @return what to do with the end of an encode when trimming */
110 TrimAction dcp_trim_action () const {
111 return _state.dcp_trim_action;
114 /** @return true to create an A/B comparison DCP, where the left half of the image
115 * is the video without any filters or post-processing, and the right half
116 * has the specified filters and post-processing.
118 bool dcp_ab () const {
119 return _state.dcp_ab;
122 /** @return gain that should be applied to the audio when making a DCP
125 float audio_gain () const {
126 return _state.audio_gain;
129 /** @return delay to apply to audio (positive moves audio later) in milliseconds */
130 int audio_delay () const {
131 return _state.audio_delay;
134 /** @return duration to make still-sourced films (in seconds) */
135 int still_duration () const {
136 return _state.still_duration;
139 /** @return true to encode DCP with subtitles, if they are available */
140 bool with_subtitles () const {
141 return _state.with_subtitles;
144 /** @return offset to move subtitles by, in source pixels; +ve moves
145 them down the image, -ve moves them up.
147 int subtitle_offset () const {
148 return _state.subtitle_offset;
151 /** @return scaling factor to apply to subtitle images */
152 float subtitle_scale () const {
153 return _state.subtitle_scale;
156 void set_filters (std::vector<Filter const *> const &);
158 void set_scaler (Scaler const *);
160 /** @return the type of content that this Film represents (feature, trailer etc.) */
161 DCPContentType const * dcp_content_type () {
162 return _state.dcp_content_type;
165 void set_dcp_frames (int);
166 void set_dcp_trim_action (TrimAction);
167 void set_dcp_ab (bool);
169 void set_name (std::string);
170 void set_use_dci_name (bool);
171 void set_content (std::string);
172 void set_top_crop (int);
173 void set_bottom_crop (int);
174 void set_left_crop (int);
175 void set_right_crop (int);
176 void set_format (Format const *);
177 void set_dcp_content_type (DCPContentType const *);
178 void set_audio_gain (float);
179 void set_audio_delay (int);
180 void set_still_duration (int);
181 void set_with_subtitles (bool);
182 void set_subtitle_offset (int);
183 void set_subtitle_scale (float);
184 void set_audio_language (std::string);
185 void set_subtitle_language (std::string);
186 void set_territory (std::string);
187 void set_rating (std::string);
188 void set_studio (std::string);
189 void set_facility (std::string);
190 void set_package_type (std::string);
192 /** @return size, in pixels, of the source (ignoring cropping) */
197 /** @return length, in video frames */
198 int length () const {
199 return _state.length;
202 /** @return nnumber of video frames per second */
203 float frames_per_second () const {
204 return _state.frames_per_second;
207 /** @return number of audio channels */
208 int audio_channels () const {
209 return _state.audio_channels;
212 /** @return audio sample rate, in Hz */
213 int audio_sample_rate () const {
214 return _state.audio_sample_rate;
217 /** @return format of the audio samples */
218 AVSampleFormat audio_sample_format () const {
219 return _state.audio_sample_format;
222 bool has_subtitles () const {
223 return _state.has_subtitles;
226 std::string audio_language () const {
227 return _state.audio_language;
230 std::string subtitle_language () const {
231 return _state.subtitle_language;
234 std::string territory () const {
235 return _state.territory;
238 std::string rating () const {
239 return _state.rating;
242 std::string studio () const {
243 return _state.studio;
246 std::string facility () const {
247 return _state.facility;
250 std::string package_type () const {
251 return _state.package_type;
254 std::string j2k_dir () const;
256 std::vector<std::string> audio_files () const;
258 void update_thumbs_pre_gui ();
259 void update_thumbs_post_gui ();
260 int num_thumbs () const;
261 int thumb_frame (int) const;
262 std::string thumb_file (int) const;
263 std::pair<Position, std::string> thumb_subtitle (int) const;
265 void copy_from_dvd_post_gui ();
266 void examine_content ();
267 void examine_content_post_gui ();
268 void send_dcp_to_tms ();
269 void copy_from_dvd ();
271 /** @return true if our metadata has been modified since it was last saved */
272 bool dirty () const {
276 void make_dcp (bool, int freq = 0);
306 boost::shared_ptr<FilmState> state_copy () const;
309 * It is safe to call this from any thread.
315 int encoded_frames () const;
317 /** Emitted when some metadata property has changed */
318 mutable sigc::signal1<void, Property> Changed;
321 void read_metadata ();
322 std::string metadata_file () const;
323 void update_dimensions ();
324 void signal_changed (Property);
326 /** The majority of our state. Kept in a separate object
327 * so that it can easily be copied for passing onto long-running
328 * jobs (which then have an unchanging set of parameters).
332 /** true if our metadata has changed since it was last written to disk */
335 /** Log to write to */
338 /** Any running ExamineContentJob, or 0 */
339 boost::shared_ptr<ExamineContentJob> _examine_content_job;