2 Copyright (C) 2014-2021 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
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.
35 /** @file src/reel_asset.cc
36 * @brief ReelAsset class
40 #include "raw_convert.h"
41 #include "reel_asset.h"
43 #include "compose.hpp"
44 #include "dcp_assert.h"
45 #include <libcxml/cxml.h>
46 #include <libxml++/libxml++.h>
52 using std::shared_ptr;
53 using boost::optional;
57 ReelAsset::ReelAsset (string id, Fraction edit_rate, int64_t intrinsic_duration, int64_t entry_point)
59 , _intrinsic_duration (intrinsic_duration)
60 , _duration (intrinsic_duration - entry_point)
61 , _edit_rate (edit_rate)
62 , _entry_point (entry_point)
64 DCP_ASSERT (_entry_point <= _intrinsic_duration);
68 ReelAsset::ReelAsset (shared_ptr<const cxml::Node> node)
69 : Object (remove_urn_uuid (node->string_child ("Id")))
70 , _intrinsic_duration (node->number_child<int64_t> ("IntrinsicDuration"))
71 , _duration (node->optional_number_child<int64_t>("Duration"))
72 , _annotation_text (node->optional_string_child ("AnnotationText").get_value_or (""))
73 , _edit_rate (Fraction (node->string_child ("EditRate")))
74 , _entry_point (node->optional_number_child<int64_t>("EntryPoint"))
81 ReelAsset::write_to_cpl_asset (xmlpp::Node* node, Standard standard, optional<string> hash) const
83 auto a = node->add_child (cpl_node_name (standard));
84 auto const attr = cpl_node_attribute (standard);
85 if (!attr.first.empty ()) {
86 a->set_attribute (attr.first, attr.second);
88 auto const ns = cpl_node_namespace ();
89 if (!ns.first.empty()) {
90 a->set_namespace_declaration (ns.first, ns.second);
92 a->add_child("Id")->add_child_text ("urn:uuid:" + _id);
93 a->add_child("AnnotationText")->add_child_text (_annotation_text);
94 a->add_child("EditRate")->add_child_text (_edit_rate.as_string());
95 a->add_child("IntrinsicDuration")->add_child_text (raw_convert<string> (_intrinsic_duration));
97 a->add_child("EntryPoint")->add_child_text(raw_convert<string>(*_entry_point));
100 a->add_child("Duration")->add_child_text(raw_convert<string>(*_duration));
103 a->add_child("Hash")->add_child_text (hash.get());
110 ReelAsset::cpl_node_attribute (Standard) const
112 return make_pair ("", "");
117 ReelAsset::cpl_node_namespace () const
119 return make_pair ("", "");
124 ReelAsset::asset_equals (shared_ptr<const ReelAsset> other, EqualityOptions opt, NoteHandler note) const
126 if (_annotation_text != other->_annotation_text) {
127 string const s = "Reel: annotation texts differ (" + _annotation_text + " vs " + other->_annotation_text + ")\n";
128 if (!opt.reel_annotation_texts_can_differ) {
129 note (NoteType::ERROR, s);
132 note (NoteType::NOTE, s);
136 if (_edit_rate != other->_edit_rate) {
137 note (NoteType::ERROR, "Reel: edit rates differ");
141 if (_intrinsic_duration != other->_intrinsic_duration) {
142 note (NoteType::ERROR, String::compose ("Reel: intrinsic durations differ (%1 vs %2)", _intrinsic_duration, other->_intrinsic_duration));
146 if (_entry_point != other->_entry_point) {
147 note (NoteType::ERROR, "Reel: entry points differ");
151 if (_duration != other->_duration) {
152 note (NoteType::ERROR, "Reel: durations differ");
161 ReelAsset::actual_duration () const
167 return _intrinsic_duration - _entry_point.get_value_or(0);