2 Copyright (C) 2014-2016 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 #include "text_subtitle_content.h"
22 #include "text_subtitle.h"
25 #include "raw_convert.h"
26 #include <libxml++/libxml++.h>
33 using boost::shared_ptr;
35 std::string const TextSubtitleContent::font_id = "font";
37 int const TextSubtitleContentProperty::TEXT_SUBTITLE_COLOUR = 300;
38 int const TextSubtitleContentProperty::TEXT_SUBTITLE_OUTLINE = 301;
39 int const TextSubtitleContentProperty::TEXT_SUBTITLE_OUTLINE_COLOUR = 302;
41 TextSubtitleContent::TextSubtitleContent (shared_ptr<const Film> film, boost::filesystem::path path)
42 : Content (film, path)
43 , SubtitleContent (film, path)
44 , _colour (255, 255, 255)
46 , _outline_colour (0, 0, 0)
51 TextSubtitleContent::TextSubtitleContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version)
52 : Content (film, node)
53 , SubtitleContent (film, node, version)
54 , _length (node->number_child<ContentTime::Type> ("Length"))
55 , _frame_rate (node->optional_number_child<double>("SubtitleVideoFrameRate"))
57 node->optional_number_child<int>("Red").get_value_or(255),
58 node->optional_number_child<int>("Green").get_value_or(255),
59 node->optional_number_child<int>("Blue").get_value_or(255)
61 , _outline (node->optional_bool_child("Outline").get_value_or(false))
63 node->optional_number_child<int>("OutlineRed").get_value_or(255),
64 node->optional_number_child<int>("OutlineGreen").get_value_or(255),
65 node->optional_number_child<int>("OutlineBlue").get_value_or(255)
72 TextSubtitleContent::examine (boost::shared_ptr<Job> job)
74 Content::examine (job);
75 TextSubtitle s (shared_from_this ());
77 /* Default to turning these subtitles on */
78 set_use_subtitles (true);
80 boost::mutex::scoped_lock lm (_mutex);
81 _length = s.length ();
82 add_font (shared_ptr<Font> (new Font (font_id)));
86 TextSubtitleContent::summary () const
88 return path_summary() + " " + _("[subtitles]");
92 TextSubtitleContent::technical_summary () const
94 return Content::technical_summary() + " - " + _("Text subtitles");
98 TextSubtitleContent::as_xml (xmlpp::Node* node) const
100 node->add_child("Type")->add_child_text ("TextSubtitle");
101 Content::as_xml (node);
102 SubtitleContent::as_xml (node);
103 node->add_child("Length")->add_child_text (raw_convert<string> (_length.get ()));
105 node->add_child("SubtitleVideoFrameRate")->add_child_text (raw_convert<string> (_frame_rate.get()));
107 node->add_child("Red")->add_child_text (raw_convert<string> (_colour.r));
108 node->add_child("Green")->add_child_text (raw_convert<string> (_colour.g));
109 node->add_child("Blue")->add_child_text (raw_convert<string> (_colour.b));
110 node->add_child("Outline")->add_child_text (raw_convert<string> (_outline));
111 node->add_child("OutlineRed")->add_child_text (raw_convert<string> (_outline_colour.r));
112 node->add_child("OutlineGreen")->add_child_text (raw_convert<string> (_outline_colour.g));
113 node->add_child("OutlineBlue")->add_child_text (raw_convert<string> (_outline_colour.b));
117 TextSubtitleContent::full_length () const
119 FrameRateChange const frc (subtitle_video_frame_rate(), film()->video_frame_rate ());
120 return DCPTime (_length, frc);
124 TextSubtitleContent::set_subtitle_video_frame_rate (double r)
127 boost::mutex::scoped_lock lm (_mutex);
131 signal_changed (SubtitleContentProperty::SUBTITLE_VIDEO_FRAME_RATE);
135 TextSubtitleContent::subtitle_video_frame_rate () const
138 boost::mutex::scoped_lock lm (_mutex);
140 return _frame_rate.get ();
144 /* No frame rate specified, so assume this content has been
145 prepared for any concurrent video content.
147 return film()->active_frame_rate_change(position()).source;
151 TextSubtitleContent::set_colour (dcp::Colour colour)
154 boost::mutex::scoped_lock lm (_mutex);
155 if (_colour == colour) {
162 signal_changed (TextSubtitleContentProperty::TEXT_SUBTITLE_COLOUR);
166 TextSubtitleContent::set_outline (bool o)
169 boost::mutex::scoped_lock lm (_mutex);
177 signal_changed (TextSubtitleContentProperty::TEXT_SUBTITLE_OUTLINE);
181 TextSubtitleContent::set_outline_colour (dcp::Colour colour)
184 boost::mutex::scoped_lock lm (_mutex);
185 if (_outline_colour == colour) {
189 _outline_colour = colour;
192 signal_changed (TextSubtitleContentProperty::TEXT_SUBTITLE_OUTLINE_COLOUR);