2 Copyright (C) 2012-2021 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_file_asset.h
36 * @brief ReelFileAsset class
40 #ifndef LIBDCP_REEL_FILE_ASSET_H
41 #define LIBDCP_REEL_FILE_ASSET_H
44 #include "reel_asset.h"
46 #include <boost/optional.hpp>
53 class ReelFileAsset : public ReelAsset
56 ReelFileAsset (std::shared_ptr<Asset> asset, boost::optional<std::string> key_id, std::string id, Fraction edit_rate, int64_t intrinsic_duration, int64_t entry_point);
57 explicit ReelFileAsset (std::shared_ptr<const cxml::Node> node);
59 virtual xmlpp::Node* write_to_cpl (xmlpp::Node* node, Standard standard) const override;
61 /** @return a Ref to our actual asset */
62 Ref const & asset_ref () const {
66 /** @return a Ref to our actual asset */
71 /** @return the asset's hash, if this ReelFileAsset has been created from one,
72 * otherwise the hash written to the CPL for this asset (if present).
74 boost::optional<std::string> hash () const {
78 void set_hash (std::string h) {
82 bool file_asset_equals(std::shared_ptr<const ReelFileAsset> other, EqualityOptions const& opt, NoteHandler note) const;
84 virtual boost::optional<std::string> key_type () const {
88 bool encryptable () const override {
89 return static_cast<bool>(key_type());
92 boost::optional<std::string> key_id () const {
96 bool encrypted () const {
97 return static_cast<bool>(key_id());
103 std::shared_ptr<T> asset_of_type () const {
104 return std::dynamic_pointer_cast<T>(_asset_ref.asset());
108 std::shared_ptr<T> asset_of_type () {
109 return std::dynamic_pointer_cast<T>(_asset_ref.asset());
112 /** Reference to the asset (MXF or XML file) that this reel entry
117 /** Either our asset's computed hash or the hash read in from the CPL, if it's present */
118 boost::optional<std::string> _hash;
119 boost::optional<std::string> _key_id; ///< The <KeyId> from the reel's entry for this asset, if there is one