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 "subtitle_content.h"
27 #include <libxml++/libxml++.h>
34 using boost::shared_ptr;
36 std::string const TextSubtitleContent::font_id = "font";
38 int const TextSubtitleContentProperty::TEXT_SUBTITLE_COLOUR = 300;
39 int const TextSubtitleContentProperty::TEXT_SUBTITLE_OUTLINE = 301;
40 int const TextSubtitleContentProperty::TEXT_SUBTITLE_OUTLINE_COLOUR = 302;
42 TextSubtitleContent::TextSubtitleContent (shared_ptr<const Film> film, boost::filesystem::path path)
43 : Content (film, path)
44 , _colour (255, 255, 255)
46 , _outline_colour (0, 0, 0)
48 subtitle.reset (new SubtitleContent (this, film, path));
51 TextSubtitleContent::TextSubtitleContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version)
52 : Content (film, node)
53 , _length (node->number_child<ContentTime::Type> ("Length"))
54 , _frame_rate (node->optional_number_child<double>("SubtitleVideoFrameRate"))
56 node->optional_number_child<int>("Red").get_value_or(255),
57 node->optional_number_child<int>("Green").get_value_or(255),
58 node->optional_number_child<int>("Blue").get_value_or(255)
60 , _outline (node->optional_bool_child("Outline").get_value_or(false))
62 node->optional_number_child<int>("OutlineRed").get_value_or(255),
63 node->optional_number_child<int>("OutlineGreen").get_value_or(255),
64 node->optional_number_child<int>("OutlineBlue").get_value_or(255)
67 subtitle.reset (new SubtitleContent (this, film, node, version));
71 TextSubtitleContent::examine (boost::shared_ptr<Job> job)
73 Content::examine (job);
74 TextSubtitle s (shared_from_this ());
76 /* Default to turning these subtitles on */
77 set_use_subtitles (true);
79 boost::mutex::scoped_lock lm (_mutex);
80 _length = s.length ();
81 add_font (shared_ptr<Font> (new Font (font_id)));
85 TextSubtitleContent::summary () const
87 return path_summary() + " " + _("[subtitles]");
91 TextSubtitleContent::technical_summary () const
93 return Content::technical_summary() + " - " + _("Text subtitles");
97 TextSubtitleContent::as_xml (xmlpp::Node* node) const
99 node->add_child("Type")->add_child_text ("TextSubtitle");
100 Content::as_xml (node);
101 subtitle->as_xml (node);
102 node->add_child("Length")->add_child_text (raw_convert<string> (_length.get ()));
104 node->add_child("SubtitleVideoFrameRate")->add_child_text (raw_convert<string> (_frame_rate.get()));
106 node->add_child("Red")->add_child_text (raw_convert<string> (_colour.r));
107 node->add_child("Green")->add_child_text (raw_convert<string> (_colour.g));
108 node->add_child("Blue")->add_child_text (raw_convert<string> (_colour.b));
109 node->add_child("Outline")->add_child_text (raw_convert<string> (_outline));
110 node->add_child("OutlineRed")->add_child_text (raw_convert<string> (_outline_colour.r));
111 node->add_child("OutlineGreen")->add_child_text (raw_convert<string> (_outline_colour.g));
112 node->add_child("OutlineBlue")->add_child_text (raw_convert<string> (_outline_colour.b));
116 TextSubtitleContent::full_length () const
118 FrameRateChange const frc (subtitle_video_frame_rate(), film()->video_frame_rate ());
119 return DCPTime (_length, frc);
123 TextSubtitleContent::set_subtitle_video_frame_rate (double r)
126 boost::mutex::scoped_lock lm (_mutex);
130 signal_changed (SubtitleContentProperty::SUBTITLE_VIDEO_FRAME_RATE);
134 TextSubtitleContent::subtitle_video_frame_rate () const
137 boost::mutex::scoped_lock lm (_mutex);
139 return _frame_rate.get ();
143 /* No frame rate specified, so assume this content has been
144 prepared for any concurrent video content.
146 return film()->active_frame_rate_change(position()).source;
150 TextSubtitleContent::set_colour (dcp::Colour colour)
153 boost::mutex::scoped_lock lm (_mutex);
154 if (_colour == colour) {
161 signal_changed (TextSubtitleContentProperty::TEXT_SUBTITLE_COLOUR);
165 TextSubtitleContent::set_outline (bool o)
168 boost::mutex::scoped_lock lm (_mutex);
176 signal_changed (TextSubtitleContentProperty::TEXT_SUBTITLE_OUTLINE);
180 TextSubtitleContent::set_outline_colour (dcp::Colour colour)
183 boost::mutex::scoped_lock lm (_mutex);
184 if (_outline_colour == colour) {
188 _outline_colour = colour;
191 signal_changed (TextSubtitleContentProperty::TEXT_SUBTITLE_OUTLINE_COLOUR);