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/>.
20 /** @file src/reel_asset.cc
21 * @brief ReelAsset class.
24 #include "raw_convert.h"
25 #include "reel_asset.h"
27 #include "compose.hpp"
28 #include <libcxml/cxml.h>
29 #include <libxml++/libxml++.h>
35 using std::stringstream;
37 using boost::shared_ptr;
40 ReelAsset::ReelAsset ()
42 , _edit_rate (Fraction (24, 1))
43 , _intrinsic_duration (0)
50 /** Construct a ReelAsset.
51 * @param asset Asset that this ReelAsset refers to.
52 * @param edit_rate Edit rate for the asset.
53 * @param intrinsic_duration Intrinsic duration of this asset.
54 * @param entry_point Entry point to use in that asset.
56 ReelAsset::ReelAsset (shared_ptr<Asset> asset, Fraction edit_rate, int64_t intrinsic_duration, int64_t entry_point)
57 : Object (asset->id ())
59 , _edit_rate (edit_rate)
60 , _intrinsic_duration (intrinsic_duration)
61 , _entry_point (entry_point)
62 , _duration (intrinsic_duration - entry_point)
63 , _hash (asset->hash ())
65 /* default _annotation_text to the leaf name of our file */
66 _annotation_text = asset->file().leaf().string ();
69 ReelAsset::ReelAsset (shared_ptr<const cxml::Node> node)
70 : Object (remove_urn_uuid (node->string_child ("Id")))
72 , _annotation_text (node->optional_string_child ("AnnotationText").get_value_or (""))
73 , _edit_rate (Fraction (node->string_child ("EditRate")))
74 , _intrinsic_duration (node->number_child<int64_t> ("IntrinsicDuration"))
75 , _entry_point (node->number_child<int64_t> ("EntryPoint"))
76 , _duration (node->number_child<int64_t> ("Duration"))
77 , _hash (node->optional_string_child ("Hash"))
83 ReelAsset::write_to_cpl (xmlpp::Node* node, Standard standard) const
85 pair<string, string> const attr = cpl_node_attribute (standard);
86 xmlpp::Element* a = node->add_child (cpl_node_name ());
87 if (!attr.first.empty ()) {
88 a->set_attribute (attr.first, attr.second);
90 a->add_child("Id")->add_child_text ("urn:uuid:" + _id);
91 a->add_child("AnnotationText")->add_child_text (_annotation_text);
92 a->add_child("EditRate")->add_child_text (String::compose ("%1 %2", _edit_rate.numerator, _edit_rate.denominator));
93 a->add_child("IntrinsicDuration")->add_child_text (raw_convert<string> (_intrinsic_duration));
94 a->add_child("EntryPoint")->add_child_text (raw_convert<string> (_entry_point));
95 a->add_child("Duration")->add_child_text (raw_convert<string> (_duration));
97 a->add_child("Hash")->add_child_text (_hash.get());
102 ReelAsset::cpl_node_attribute (Standard) const
104 return make_pair ("", "");
108 ReelAsset::equals (shared_ptr<const ReelAsset> other, EqualityOptions opt, NoteHandler note) const
110 if (_annotation_text != other->_annotation_text) {
112 s << "Reel: annotation texts differ (" << _annotation_text << " vs " << other->_annotation_text << ")\n";
113 if (!opt.reel_annotation_texts_can_differ) {
114 note (DCP_ERROR, s.str ());
117 note (DCP_NOTE, s.str ());
121 if (_edit_rate != other->_edit_rate) {
122 note (DCP_ERROR, "Reel: edit rates differ");
126 if (_intrinsic_duration != other->_intrinsic_duration) {
127 note (DCP_ERROR, String::compose ("Reel: intrinsic durations differ (%1 vs %2)", _intrinsic_duration, other->_intrinsic_duration));
131 if (_entry_point != other->_entry_point) {
132 note (DCP_ERROR, "Reel: entry points differ");
136 if (_duration != other->_duration) {
137 note (DCP_ERROR, "Reel: durations differ");
141 if (_hash != other->_hash) {
142 if (!opt.reel_hashes_can_differ) {
143 note (DCP_ERROR, "Reel: hashes differ");
146 note (DCP_NOTE, "Reel: hashes differ");
150 if (_asset_ref.resolved () && other->_asset_ref.resolved ()) {
151 return _asset_ref->equals (other->_asset_ref.asset(), opt, note);