2 Copyright (C) 2014-2015 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/>.
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
27 file(s) with this exception, you may extend this exception to your
28 version of the file(s), but you are not obligated to do so. If you
29 do not wish to do so, delete this exception statement from your
30 version. If you delete this exception statement from all source
31 files in the program, then also delete it here.
34 /** @file src/reel_asset.h
35 * @brief ReelAsset class.
38 #ifndef LIBDCP_REEL_ASSET_H
39 #define LIBDCP_REEL_ASSET_H
59 * @brief An entry in a <Reel> which refers to a use of a piece of content.
61 * This class encapsulates the XML that exists in a <Reel> to say
62 * that a piece of content is used in this reel. It does not
63 * describe the content itself (but links to an Asset object which does).
65 class ReelAsset : public Object
68 ReelAsset (std::string id, Fraction edit_rate, int64_t intrinsic_duration, int64_t entry_point);
69 explicit ReelAsset (std::shared_ptr<const cxml::Node>);
71 virtual xmlpp::Node* write_to_cpl (xmlpp::Node* node, Standard standard) const = 0;
73 Fraction edit_rate () const {
77 int64_t intrinsic_duration () const {
78 return _intrinsic_duration;
81 void set_entry_point (int64_t e) {
85 void unset_entry_point () {
86 _entry_point = boost::none;
89 boost::optional<int64_t> entry_point () const {
93 void set_duration (int64_t d) {
97 boost::optional<int64_t> duration () const {
101 int64_t actual_duration () const;
103 std::string annotation_text () const {
104 return _annotation_text;
107 void set_annotation_text (std::string at) {
108 _annotation_text = at;
111 bool asset_equals (std::shared_ptr<const ReelAsset>, EqualityOptions, NoteHandler) const;
115 /** @return the node name that this asset uses in the CPL's <Reel> node
116 * e.g. MainPicture, MainSound etc.
118 virtual std::string cpl_node_name (Standard) const = 0;
120 /** @return Any attribute that should be used on the asset's node in the CPL */
121 virtual std::pair<std::string, std::string> cpl_node_attribute (Standard) const;
123 /** @return Any namespace that should be used on the asset's node in the CPL */
124 virtual std::pair<std::string, std::string> cpl_node_namespace (Standard) const;
126 xmlpp::Node* write_to_cpl_asset (xmlpp::Node* node, Standard standard, boost::optional<std::string> hash) const;
128 int64_t _intrinsic_duration; ///< The <IntrinsicDuration> from the reel's entry for this asset
129 boost::optional<int64_t> _duration; ///< The <Duration> from the reel's entry for this asset, if present
132 std::string _annotation_text; ///< The <AnnotationText> from the reel's entry for this asset
133 Fraction _edit_rate; ///< The <EditRate> from the reel's entry for this asset
134 boost::optional<int64_t> _entry_point; ///< The <EntryPoint> from the reel's entry for this asset