2 Copyright (C) 2013-2016 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.
20 #ifndef DCPOMATIC_SUBTITLE_CONTENT_H
21 #define DCPOMATIC_SUBTITLE_CONTENT_H
23 #include "content_part.h"
24 #include <libcxml/cxml.h>
25 #include <boost/signals2.hpp>
29 class SubtitleContentProperty
32 static int const SUBTITLE_X_OFFSET;
33 static int const SUBTITLE_Y_OFFSET;
34 static int const SUBTITLE_X_SCALE;
35 static int const SUBTITLE_Y_SCALE;
36 static int const USE_SUBTITLES;
37 static int const BURN_SUBTITLES;
38 static int const SUBTITLE_LANGUAGE;
39 static int const FONTS;
40 static int const SUBTITLE_VIDEO_FRAME_RATE;
43 class SubtitleContent : public ContentPart
46 SubtitleContent (Content* parent, boost::shared_ptr<const Film>);
47 SubtitleContent (Content* parent, boost::shared_ptr<const Film>, cxml::ConstNodePtr, int version);
48 SubtitleContent (Content* parent, boost::shared_ptr<const Film>, std::vector<boost::shared_ptr<Content> >);
50 void as_xml (xmlpp::Node *) const;
51 std::string identifier () const;
53 bool has_subtitles () const;
55 void add_font (boost::shared_ptr<Font> font);
57 void set_use_subtitles (bool);
58 void set_burn_subtitles (bool);
59 void set_subtitle_x_offset (double);
60 void set_subtitle_y_offset (double);
61 void set_subtitle_x_scale (double);
62 void set_subtitle_y_scale (double);
63 void set_subtitle_language (std::string language);
65 bool use_subtitles () const {
66 boost::mutex::scoped_lock lm (_mutex);
67 return _use_subtitles;
70 bool burn_subtitles () const {
71 boost::mutex::scoped_lock lm (_mutex);
72 return _burn_subtitles;
75 double subtitle_x_offset () const {
76 boost::mutex::scoped_lock lm (_mutex);
77 return _subtitle_x_offset;
80 double subtitle_y_offset () const {
81 boost::mutex::scoped_lock lm (_mutex);
82 return _subtitle_y_offset;
85 double subtitle_x_scale () const {
86 boost::mutex::scoped_lock lm (_mutex);
87 return _subtitle_x_scale;
90 double subtitle_y_scale () const {
91 boost::mutex::scoped_lock lm (_mutex);
92 return _subtitle_y_scale;
95 std::list<boost::shared_ptr<Font> > fonts () const {
96 boost::mutex::scoped_lock lm (_mutex);
100 std::string subtitle_language () const {
101 boost::mutex::scoped_lock lm (_mutex);
102 return _subtitle_language;
106 /** subtitle language (e.g. "German") or empty if it is not known */
107 std::string _subtitle_language;
110 friend struct ffmpeg_pts_offset_test;
111 void font_changed ();
112 void connect_to_fonts ();
115 bool _burn_subtitles;
116 /** x offset for placing subtitles, as a proportion of the container width;
117 * +ve is further right, -ve is further left.
119 double _subtitle_x_offset;
120 /** y offset for placing subtitles, as a proportion of the container height;
121 * +ve is further down the frame, -ve is further up.
123 double _subtitle_y_offset;
124 /** x scale factor to apply to subtitles */
125 double _subtitle_x_scale;
126 /** y scale factor to apply to subtitles */
127 double _subtitle_y_scale;
128 std::list<boost::shared_ptr<Font> > _fonts;
129 std::list<boost::signals2::connection> _font_connections;