2 Copyright (C) 2014-2021 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
22 #include "dcp_subtitle_content.h"
24 #include "text_content.h"
25 #include <dcp/raw_convert.h>
26 #include <dcp/interop_subtitle_asset.h>
27 #include <dcp/smpte_subtitle_asset.h>
28 #include <dcp/interop_load_font_node.h>
29 #include <libxml++/libxml++.h>
33 using std::dynamic_pointer_cast;
35 using std::make_shared;
36 using std::shared_ptr;
38 using dcp::raw_convert;
39 using namespace dcpomatic;
41 DCPSubtitleContent::DCPSubtitleContent (boost::filesystem::path path)
44 text.push_back (make_shared<TextContent>(this, TextType::OPEN_SUBTITLE, TextType::OPEN_SUBTITLE));
47 DCPSubtitleContent::DCPSubtitleContent (cxml::ConstNodePtr node, int version)
49 , _length (node->number_child<ContentTime::Type> ("Length"))
52 text = TextContent::from_xml (this, node, version, notes);
56 DCPSubtitleContent::examine (shared_ptr<const Film> film, shared_ptr<Job> job)
58 Content::examine (film, job);
60 auto subtitle_asset = load(path(0));
62 auto iop = dynamic_pointer_cast<dcp::InteropSubtitleAsset>(subtitle_asset);
63 auto smpte = dynamic_pointer_cast<dcp::SMPTESubtitleAsset>(subtitle_asset);
65 set_video_frame_rate(film, smpte->edit_rate().numerator);
68 boost::mutex::scoped_lock lm (_mutex);
70 /* Default to turning these subtitles on */
71 only_text()->set_use (true);
73 _length = ContentTime::from_seconds(subtitle_asset->latest_subtitle_out().as_seconds());
75 subtitle_asset->fix_empty_font_ids();
77 auto font_data = subtitle_asset->font_data();
78 for (auto node: subtitle_asset->load_font_nodes()) {
79 auto data = font_data.find(node->id);
80 if (data != font_data.end()) {
81 only_text()->add_font(make_shared<Font>(node->id, data->second));
83 only_text()->add_font(make_shared<Font>(node->id));
87 only_text()->add_font(make_shared<Font>(""));
91 DCPSubtitleContent::full_length (shared_ptr<const Film> film) const
93 FrameRateChange const frc (film, shared_from_this());
94 return DCPTime (_length, frc);
98 DCPSubtitleContent::approximate_length () const
100 return DCPTime (_length, FrameRateChange());
104 DCPSubtitleContent::summary () const
106 return path_summary() + " " + _("[subtitles]");
110 DCPSubtitleContent::technical_summary () const
112 return Content::technical_summary() + " - " + _("DCP XML subtitles");
116 DCPSubtitleContent::as_xml (xmlpp::Node* node, bool with_paths) const
118 node->add_child("Type")->add_child_text ("DCPSubtitle");
119 Content::as_xml (node, with_paths);
122 only_text()->as_xml (node);
125 node->add_child("Length")->add_child_text (raw_convert<string> (_length.get ()));