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/asset.cc
40 #include "raw_convert.h"
43 #include "exceptions.h"
44 #include "dcp_assert.h"
45 #include "compose.hpp"
47 #include <libxml++/libxml++.h>
48 #include <boost/algorithm/string.hpp>
52 using boost::function;
53 using std::shared_ptr;
54 using boost::optional;
55 using namespace boost::filesystem;
65 Asset::Asset (path file)
72 Asset::Asset (string id, path file)
81 Asset::add_to_pkl (shared_ptr<PKL> pkl, path root) const
85 auto path = relative_to_root (
87 canonical(_file.get())
91 /* The path of this asset is not within our DCP, so we assume it's an external
97 pkl->add_asset (_id, _id, hash(), file_size(_file.get()), pkl_type(pkl->standard()));
102 Asset::write_to_assetmap (xmlpp::Node* node, path root) const
105 write_file_to_assetmap (node, root, _file.get(), _id);
110 Asset::write_file_to_assetmap (xmlpp::Node* node, path root, path file, string id)
112 auto path = relative_to_root (
118 /* The path of this asset is not within our DCP, so we assume it's an external
124 auto asset = node->add_child ("Asset");
125 asset->add_child("Id")->add_child_text("urn:uuid:" + id);
126 auto chunk_list = asset->add_child ("ChunkList");
127 auto chunk = chunk_list->add_child ("Chunk");
129 chunk->add_child("Path")->add_child_text(path.get().generic_string());
130 chunk->add_child("VolumeIndex")->add_child_text("1");
131 chunk->add_child("Offset")->add_child_text("0");
132 chunk->add_child("Length")->add_child_text(raw_convert<string>(file_size(file)));
137 Asset::hash (function<void (float)> progress) const
142 _hash = make_digest (_file.get(), progress);
150 Asset::equals (std::shared_ptr<const Asset> other, EqualityOptions, NoteHandler note) const
152 if (_hash != other->_hash) {
153 note (NoteType::ERROR, "Asset: hashes differ");
162 Asset::set_file (path file) const
164 _file = absolute (file);
165 _hash = boost::optional<string>();
170 Asset::set_hash (string hash)