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"))
51 text = TextContent::from_xml (this, node, version);
55 DCPSubtitleContent::examine (shared_ptr<const Film> film, shared_ptr<Job> job)
57 Content::examine (film, job);
59 auto sc = load (path(0));
61 auto iop = dynamic_pointer_cast<dcp::InteropSubtitleAsset>(sc);
62 auto smpte = dynamic_pointer_cast<dcp::SMPTESubtitleAsset>(sc);
64 set_video_frame_rate (smpte->edit_rate().numerator);
67 boost::mutex::scoped_lock lm (_mutex);
69 /* Default to turning these subtitles on */
70 only_text()->set_use (true);
72 _length = ContentTime::from_seconds (sc->latest_subtitle_out().as_seconds());
74 sc->fix_empty_font_ids ();
76 for (auto i: sc->load_font_nodes()) {
77 only_text()->add_font(make_shared<Font>(i->id));
82 DCPSubtitleContent::full_length (shared_ptr<const Film> film) const
84 FrameRateChange const frc (film, shared_from_this());
85 return DCPTime (_length, frc);
89 DCPSubtitleContent::approximate_length () const
91 return DCPTime (_length, FrameRateChange());
95 DCPSubtitleContent::summary () const
97 return path_summary() + " " + _("[subtitles]");
101 DCPSubtitleContent::technical_summary () const
103 return Content::technical_summary() + " - " + _("DCP XML subtitles");
107 DCPSubtitleContent::as_xml (xmlpp::Node* node, bool with_paths) const
109 node->add_child("Type")->add_child_text ("DCPSubtitle");
110 Content::as_xml (node, with_paths);
113 only_text()->as_xml (node);
116 node->add_child("Length")->add_child_text (raw_convert<string> (_length.get ()));