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
41 #include "asset_map.h"
42 #include "compose.hpp"
43 #include "dcp_assert.h"
44 #include "equality_options.h"
45 #include "exceptions.h"
46 #include "filesystem.h"
48 #include "raw_convert.h"
51 LIBDCP_DISABLE_WARNINGS
52 #include <libxml++/libxml++.h>
53 LIBDCP_ENABLE_WARNINGS
54 #include <boost/algorithm/string.hpp>
58 using boost::function;
59 using std::shared_ptr;
60 using boost::optional;
70 Asset::Asset(boost::filesystem::path file)
77 Asset::Asset(string id, boost::filesystem::path file)
86 Asset::add_to_pkl(shared_ptr<PKL> pkl, boost::filesystem::path root) const
90 auto path = relative_to_root (
91 filesystem::canonical(root),
92 filesystem::canonical(_file.get())
96 /* The path of this asset is not within our DCP, so we assume it's an external
102 pkl->add_asset(_id, _id, hash(), file_size(_file.get()), pkl_type(pkl->standard()), _file->filename().string());
107 Asset::add_to_assetmap(AssetMap& asset_map, boost::filesystem::path root) const
110 add_file_to_assetmap (asset_map, root, _file.get(), _id);
115 Asset::add_file_to_assetmap(AssetMap& asset_map, boost::filesystem::path root, boost::filesystem::path file, string id)
117 auto path = relative_to_root (
118 filesystem::canonical(root),
119 filesystem::canonical(file)
123 /* The path of this asset is not within our DCP, so we assume it's an external
129 asset_map.add_asset(id, file, false);
134 Asset::hash (function<void (float)> progress) const
139 _hash = make_digest (_file.get(), progress);
147 Asset::equals(std::shared_ptr<const Asset> other, EqualityOptions const& opt, NoteHandler note) const
149 if (_hash != other->_hash) {
150 if (!opt.asset_hashes_can_differ) {
151 note(NoteType::ERROR, "Asset: hashes differ");
154 note(NoteType::NOTE, "Asset: hashes differ");
163 Asset::set_file(boost::filesystem::path file) const
165 _file = filesystem::absolute(file);
166 _hash = optional<string>();
171 Asset::set_file_preserving_hash(boost::filesystem::path file) const
173 _file = filesystem::absolute(file);
178 Asset::rename_file(boost::filesystem::path file)
180 _file = filesystem::absolute(file);
185 Asset::set_hash (string hash)
194 _hash = optional<string>();