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 bool use_dci_name () const {
75 return _state.use_dci_name;
78 /** @return number of pixels to crop from the sides of the original picture */
83 /** @return the format to present this film in (flat, scope, etc.) */
84 Format const * format () const {
88 /** @return video filters that should be used when generating DCPs */
89 std::vector<Filter const *> filters () const {
90 return _state.filters;
93 /** @return scaler algorithm to use */
94 Scaler const * scaler () const {
98 /** @return number of frames to put in the DCP, or 0 for all */
99 int dcp_frames () const {
100 return _state.dcp_frames;
103 TrimAction dcp_trim_action () const {
104 return _state.dcp_trim_action;
107 /** @return true to create an A/B comparison DCP, where the left half of the image
108 * is the video without any filters or post-processing, and the right half
109 * has the specified filters and post-processing.
111 bool dcp_ab () const {
112 return _state.dcp_ab;
115 float audio_gain () const {
116 return _state.audio_gain;
119 int audio_delay () const {
120 return _state.audio_delay;
123 int still_duration () const {
124 return _state.still_duration;
127 bool with_subtitles () const {
128 return _state.with_subtitles;
131 int subtitle_offset () const {
132 return _state.subtitle_offset;
135 float subtitle_scale () const {
136 return _state.subtitle_scale;
139 void set_filters (std::vector<Filter const *> const &);
141 void set_scaler (Scaler const *);
143 /** @return the type of content that this Film represents (feature, trailer etc.) */
144 DCPContentType const * dcp_content_type () {
145 return _state.dcp_content_type;
148 void set_dcp_frames (int);
149 void set_dcp_trim_action (TrimAction);
150 void set_dcp_ab (bool);
152 void set_name (std::string);
153 void set_use_dci_name (bool);
154 void set_content (std::string);
155 void set_top_crop (int);
156 void set_bottom_crop (int);
157 void set_left_crop (int);
158 void set_right_crop (int);
159 void set_format (Format const *);
160 void set_dcp_content_type (DCPContentType const *);
161 void set_audio_gain (float);
162 void set_audio_delay (int);
163 void set_still_duration (int);
164 void set_with_subtitles (bool);
165 void set_subtitle_offset (int);
166 void set_subtitle_scale (float);
167 void set_dci_name_prefix (std::string);
168 void set_audio_language (std::string);
169 void set_subtitle_language (std::string);
170 void set_territory (std::string);
171 void set_rating (std::string);
172 void set_studio (std::string);
173 void set_facility (std::string);
174 void set_package_type (std::string);
176 /** @return size, in pixels, of the source (ignoring cropping) */
181 /** @return length, in video frames */
182 int length () const {
183 return _state.length;
186 /** @return nnumber of video frames per second */
187 float frames_per_second () const {
188 return _state.frames_per_second;
191 /** @return number of audio channels */
192 int audio_channels () const {
193 return _state.audio_channels;
196 /** @return audio sample rate, in Hz */
197 int audio_sample_rate () const {
198 return _state.audio_sample_rate;
201 /** @return format of the audio samples */
202 AVSampleFormat audio_sample_format () const {
203 return _state.audio_sample_format;
206 bool has_subtitles () const {
207 return _state.has_subtitles;
210 std::string dci_name_prefix () const {
211 return _state.dci_name_prefix;
214 std::string audio_language () const {
215 return _state.audio_language;
218 std::string subtitle_language () const {
219 return _state.subtitle_language;
222 std::string territory () const {
223 return _state.territory;
226 std::string rating () const {
227 return _state.rating;
230 std::string studio () const {
231 return _state.studio;
234 std::string facility () const {
235 return _state.facility;
238 std::string package_type () const {
239 return _state.package_type;
242 std::string j2k_dir () const;
244 std::vector<std::string> audio_files () const;
246 void update_thumbs_pre_gui ();
247 void update_thumbs_post_gui ();
248 int num_thumbs () const;
249 int thumb_frame (int) const;
250 std::string thumb_file (int) const;
251 std::pair<Position, std::string> thumb_subtitle (int) const;
253 void copy_from_dvd_post_gui ();
254 void examine_content ();
255 void examine_content_post_gui ();
256 void send_dcp_to_tms ();
257 void copy_from_dvd ();
259 /** @return true if our metadata has been modified since it was last saved */
260 bool dirty () const {
264 void make_dcp (bool, int freq = 0);
294 boost::shared_ptr<FilmState> state_copy () const;
297 * It is safe to call this from any thread.
303 int encoded_frames () const;
305 /** Emitted when some metadata property has changed */
306 mutable sigc::signal1<void, Property> Changed;
309 void read_metadata ();
310 std::string metadata_file () const;
311 void update_dimensions ();
312 void signal_changed (Property);
314 /** The majority of our state. Kept in a separate object
315 * so that it can easily be copied for passing onto long-running
316 * jobs (which then have an unchanging set of parameters).
320 /** true if our metadata has changed since it was last written to disk */
323 /** Log to write to */
326 /** Any running ExamineContentJob, or 0 */
327 boost::shared_ptr<ExamineContentJob> _examine_content_job;