2 Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
4 This file is part of libdcp.
6 libdcp 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
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11 libdcp 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 libdcp. If not, see <http://www.gnu.org/licenses/>.
19 In addition, as a special exception, the copyright holders give
20 permission to link the code of portions of this program with the
21 OpenSSL library under certain conditions as described in each
22 individual source file, and distribute linked combinations
25 You must obey the GNU General Public License in all respects
26 for all of the code used other than OpenSSL. If you modify
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35 /** @file src/interop_subtitle_asset.h
36 * @brief InteropSubtitleAsset class
40 #ifndef DCP_INTEROP_SUBTITLE_ASSET_H
41 #define DCP_INTEROP_SUBTITLE_ASSET_H
44 #include "subtitle_asset.h"
45 #include "subtitle_standard.h"
46 #include <boost/filesystem.hpp>
52 class InteropLoadFontNode;
55 /** @class InteropSubtitleAsset
56 * @brief A set of subtitles to be read and/or written in the Inter-Op format
58 * Inter-Op subtitles are sometimes known as CineCanvas.
60 class InteropSubtitleAsset : public SubtitleAsset
63 InteropSubtitleAsset ();
64 explicit InteropSubtitleAsset (boost::filesystem::path file);
67 std::shared_ptr<const Asset>,
72 void add_to_assetmap (AssetMap& asset_map, boost::filesystem::path root) const override;
73 void add_to_pkl (std::shared_ptr<PKL> pkl, boost::filesystem::path root) const override;
75 std::vector<std::shared_ptr<LoadFontNode>> load_font_nodes () const override;
77 void add_font (std::string load_id, dcp::ArrayData data) override;
79 std::string xml_as_string () const override;
81 /** Write this content to an XML file with its fonts alongside */
82 void write (boost::filesystem::path path) const override;
84 void resolve_fonts (std::vector<std::shared_ptr<Asset>> assets);
85 void set_font_file (std::string load_id, boost::filesystem::path file);
86 std::vector<std::shared_ptr<Asset>> font_assets();
87 std::vector<std::shared_ptr<const Asset>> font_assets() const;
89 /** @return the <LoadFont> IDs of fonts for which we have not (yet) found a font asset.
90 * This could be because resolve_fonts() has not yet been called, or because there is
91 * a missing font file.
93 std::vector<std::string> unresolved_fonts() const;
95 /** Set the reel number or sub-element identifier
97 * @param n New reel number.
99 void set_reel_number (std::string n) {
103 /** Set the language tag of these subtitles.
104 * @param l New language.
106 void set_language (std::string l) {
110 /** @return title of the movie that the subtitles are for */
111 void set_movie_title (std::string m) {
115 /** @return reel number or sub-element of a programme that
116 * these subtitles refer to.
118 std::string reel_number () const {
122 /** @return language used in the subtitles */
123 std::string language () const {
127 /** @return movie title that these subtitles are for */
128 std::string movie_title () const {
132 int time_code_rate () const override {
133 /* Interop can use either; just pick one */
137 SubtitleStandard subtitle_standard() const override {
138 return SubtitleStandard::INTEROP;
141 static std::string static_pkl_type (Standard) {
142 return "text/xml;asdcpKind=Subtitle";
147 std::string pkl_type (Standard s) const override {
148 return static_pkl_type (s);
152 std::string _reel_number;
153 std::string _language;
154 std::string _movie_title;
155 std::vector<std::shared_ptr<InteropLoadFontNode>> _load_font_nodes;