2 Copyright (C) 2012-2015 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
9 (at your option) any later version.
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/>.
20 /** @file src/smpte_subtitle_asset.h
21 * @brief SMPTESubtitleAsset class.
24 #include "subtitle_asset.h"
25 #include "local_time.h"
27 #include <boost/filesystem.hpp>
37 class SMPTELoadFontNode;
39 /** @class SMPTESubtitleAsset
40 * @brief A set of subtitles to be read and/or written in the SMPTE format.
42 class SMPTESubtitleAsset : public SubtitleAsset, public MXF
45 SMPTESubtitleAsset ();
47 /** @param file File name
49 SMPTESubtitleAsset (boost::filesystem::path file);
52 boost::shared_ptr<const Asset>,
57 std::list<boost::shared_ptr<LoadFontNode> > load_font_nodes () const;
59 std::string xml_as_string () const;
60 void write (boost::filesystem::path path) const;
61 void add (SubtitleString);
62 void add_font (std::string id, boost::filesystem::path file);
64 void set_content_title_text (std::string t) {
65 _content_title_text = t;
68 void set_language (std::string l) {
72 void set_issue_date (LocalTime t) {
76 void set_reel_number (int r) {
80 void set_edit_rate (Fraction e) {
84 void set_time_code_rate (int t) {
88 void set_start_time (Time t) {
92 void set_intrinsic_duration (int64_t d) {
93 _intrinsic_duration = d;
96 /** @return title of the film that these subtitles are for,
97 * to be presented to the user.
99 std::string content_title_text () const {
100 return _content_title_text;
103 /** @return language as a xs:language, if one was specified */
104 boost::optional<std::string> language () const {
108 /** @return annotation text, to be presented to the user */
109 boost::optional<std::string> annotation_text () const {
110 return _annotation_text;
113 /** @return file creation time and date */
114 LocalTime issue_date () const {
118 boost::optional<int> reel_number () const {
122 Fraction edit_rate () const {
126 /** @return subdivision of 1 second that is used for subtitle times;
127 * e.g. a time_code_rate of 250 means that a subtitle time of 0:0:0:001
130 int time_code_rate () const {
131 return _time_code_rate;
134 boost::optional<Time> start_time () const {
138 static bool valid_mxf (boost::filesystem::path);
142 std::string pkl_type (Standard) const {
143 return "application/mxf";
147 void read_fonts (boost::shared_ptr<ASDCP::TimedText::MXFReader>);
149 /** The total length of this content in video frames. The amount of
150 * content presented may be less than this.
152 int64_t _intrinsic_duration;
153 std::string _content_title_text;
154 boost::optional<std::string> _language;
155 boost::optional<std::string> _annotation_text;
156 LocalTime _issue_date;
157 boost::optional<int> _reel_number;
160 boost::optional<Time> _start_time;
162 std::list<boost::shared_ptr<SMPTELoadFontNode> > _load_font_nodes;