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 <dcp/types.h>
26 #include <boost/signals2.hpp>
30 class SubtitleContentProperty
33 static int const X_OFFSET;
34 static int const Y_OFFSET;
35 static int const X_SCALE;
36 static int const Y_SCALE;
38 static int const BURN;
39 static int const LANGUAGE;
40 static int const FONTS;
41 static int const VIDEO_FRAME_RATE;
42 static int const COLOUR;
43 static int const OUTLINE;
44 static int const OUTLINE_COLOUR;
47 class SubtitleContent : public ContentPart
50 SubtitleContent (Content* parent, boost::shared_ptr<const Film>);
51 SubtitleContent (Content* parent, boost::shared_ptr<const Film>, cxml::ConstNodePtr, int version);
52 SubtitleContent (Content* parent, boost::shared_ptr<const Film>, std::vector<boost::shared_ptr<Content> >);
54 void as_xml (xmlpp::Node *) const;
55 std::string identifier () const;
57 bool has_image_subtitles () const {
62 void add_font (boost::shared_ptr<Font> font);
66 void set_x_offset (double);
67 void set_y_offset (double);
68 void set_x_scale (double);
69 void set_y_scale (double);
70 void set_language (std::string language);
73 boost::mutex::scoped_lock lm (_mutex);
78 boost::mutex::scoped_lock lm (_mutex);
82 double x_offset () const {
83 boost::mutex::scoped_lock lm (_mutex);
87 double y_offset () const {
88 boost::mutex::scoped_lock lm (_mutex);
92 double x_scale () const {
93 boost::mutex::scoped_lock lm (_mutex);
97 double y_scale () const {
98 boost::mutex::scoped_lock lm (_mutex);
102 std::list<boost::shared_ptr<Font> > fonts () const {
103 boost::mutex::scoped_lock lm (_mutex);
107 std::string language () const {
108 boost::mutex::scoped_lock lm (_mutex);
112 void set_colour (dcp::Colour);
114 dcp::Colour colour () const {
115 boost::mutex::scoped_lock lm (_mutex);
119 void set_outline (bool);
121 bool outline () const {
122 boost::mutex::scoped_lock lm (_mutex);
126 void set_outline_colour (dcp::Colour);
128 dcp::Colour outline_colour () const {
129 boost::mutex::scoped_lock lm (_mutex);
130 return _outline_colour;
133 double video_frame_rate () const;
134 void set_video_frame_rate (double r);
137 /** subtitle language (e.g. "German") or empty if it is not known */
138 std::string _language;
141 friend struct ffmpeg_pts_offset_test;
142 void font_changed ();
143 void connect_to_fonts ();
147 /** x offset for placing subtitles, as a proportion of the container width;
148 * +ve is further right, -ve is further left.
151 /** y offset for placing subtitles, as a proportion of the container height;
152 * +ve is further down the frame, -ve is further up.
155 /** x scale factor to apply to subtitles */
157 /** y scale factor to apply to subtitles */
159 std::list<boost::shared_ptr<Font> > _fonts;
162 dcp::Colour _outline_colour;
163 std::list<boost::signals2::connection> _font_connections;
164 /** Video frame rate that this content has been prepared for, if known */
165 boost::optional<double> _frame_rate;