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.cc
35 * @brief ReelAsset class.
38 #include "raw_convert.h"
39 #include "reel_asset.h"
41 #include "compose.hpp"
42 #include <libcxml/cxml.h>
43 #include <libxml++/libxml++.h>
48 using boost::shared_ptr;
49 using boost::optional;
52 /** Construct a ReelAsset.
53 * @param id ID of this ReelAsset (which is that of the MXF, if there is one)
54 * @param edit_rate Edit rate for the asset.
55 * @param intrinsic_duration Intrinsic duration of this asset.
56 * @param entry_point Entry point to use in that asset.
58 ReelAsset::ReelAsset (string id, Fraction edit_rate, int64_t intrinsic_duration, int64_t entry_point)
60 , _intrinsic_duration (intrinsic_duration)
61 , _duration (intrinsic_duration - entry_point)
62 , _edit_rate (edit_rate)
63 , _entry_point (entry_point)
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"))
80 ReelAsset::write_to_cpl_base (xmlpp::Node* node, Standard standard, optional<string> hash) const
82 xmlpp::Element* a = node->add_child (cpl_node_name (standard));
83 pair<string, string> const attr = cpl_node_attribute (standard);
84 if (!attr.first.empty ()) {
85 a->set_attribute (attr.first, attr.second);
87 pair<string, string> const ns = cpl_node_namespace (standard);
88 if (!ns.first.empty ()) {
89 a->set_namespace_declaration (ns.first, ns.second);
91 a->add_child("Id")->add_child_text ("urn:uuid:" + _id);
92 a->add_child("AnnotationText")->add_child_text (_annotation_text);
93 a->add_child("EditRate")->add_child_text (String::compose ("%1 %2", _edit_rate.numerator, _edit_rate.denominator));
94 a->add_child("IntrinsicDuration")->add_child_text (raw_convert<string> (_intrinsic_duration));
96 a->add_child("EntryPoint")->add_child_text(raw_convert<string>(*_entry_point));
99 a->add_child("Duration")->add_child_text(raw_convert<string>(*_duration));
102 a->add_child("Hash")->add_child_text (hash.get());
108 ReelAsset::cpl_node_attribute (Standard) const
110 return make_pair ("", "");
114 ReelAsset::cpl_node_namespace (Standard) const
116 return make_pair ("", "");
120 ReelAsset::asset_equals (shared_ptr<const ReelAsset> other, EqualityOptions opt, NoteHandler note) const
122 if (_annotation_text != other->_annotation_text) {
123 string const s = "Reel: annotation texts differ (" + _annotation_text + " vs " + other->_annotation_text + ")\n";
124 if (!opt.reel_annotation_texts_can_differ) {
132 if (_edit_rate != other->_edit_rate) {
133 note (DCP_ERROR, "Reel: edit rates differ");
137 if (_intrinsic_duration != other->_intrinsic_duration) {
138 note (DCP_ERROR, String::compose ("Reel: intrinsic durations differ (%1 vs %2)", _intrinsic_duration, other->_intrinsic_duration));
142 if (_entry_point != other->_entry_point) {
143 note (DCP_ERROR, "Reel: entry points differ");
147 if (_duration != other->_duration) {
148 note (DCP_ERROR, "Reel: durations differ");
155 /** @return <Duration>, or <IntrinsicDuration> - <EntryPoint> if <Duration> is not present */
157 ReelAsset::actual_duration () const
163 return _intrinsic_duration - _entry_point.get_value_or(0);