2 Copyright (C) 2014-2015 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 "subrip_content.h"
25 #include "raw_convert.h"
26 #include <libxml++/libxml++.h>
33 using boost::shared_ptr;
34 using boost::lexical_cast;
36 std::string const SubRipContent::font_id = "font";
38 SubRipContent::SubRipContent (shared_ptr<const Film> film, boost::filesystem::path path)
39 : Content (film, path)
40 , SubtitleContent (film, path)
45 SubRipContent::SubRipContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version)
46 : Content (film, node)
47 , SubtitleContent (film, node, version)
48 , _length (node->number_child<ContentTime::Type> ("Length"))
49 , _frame_rate (node->optional_number_child<double>("SubtitleFrameRate"))
55 SubRipContent::examine (boost::shared_ptr<Job> job)
57 Content::examine (job);
58 SubRip s (shared_from_this ());
60 /* Default to turning these subtitles on */
61 set_use_subtitles (true);
63 boost::mutex::scoped_lock lm (_mutex);
64 _length = s.length ();
65 add_font (shared_ptr<Font> (new Font (font_id)));
69 SubRipContent::summary () const
71 return path_summary() + " " + _("[subtitles]");
75 SubRipContent::technical_summary () const
77 return Content::technical_summary() + " - " + _("SubRip subtitles");
81 SubRipContent::as_xml (xmlpp::Node* node) const
83 node->add_child("Type")->add_child_text ("SubRip");
84 Content::as_xml (node);
85 SubtitleContent::as_xml (node);
86 node->add_child("Length")->add_child_text (raw_convert<string> (_length.get ()));
90 SubRipContent::full_length () const
92 shared_ptr<const Film> film = _film.lock ();
93 DCPOMATIC_ASSERT (film);
94 FrameRateChange const frc (subtitle_video_frame_rate(), film->video_frame_rate ());
95 return DCPTime (_length, frc);
99 SubRipContent::set_subtitle_video_frame_rate (int r)
102 boost::mutex::scoped_lock lm (_mutex);
106 signal_changed (SubtitleContentProperty::SUBTITLE_VIDEO_FRAME_RATE);
110 SubRipContent::subtitle_video_frame_rate () const
113 boost::mutex::scoped_lock lm (_mutex);
115 return _frame_rate.get ();
119 /* No frame rate specified, so assume this content has been
120 prepared for any concurrent video content.
122 shared_ptr<const Film> film = _film.lock ();
123 DCPOMATIC_ASSERT (film);
124 return film->active_frame_rate_change(position()).source;