2 Copyright (C) 2012-2014 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.
41 #include <boost/signals2.hpp>
48 /* Undefine some stuff that the OS X 10.5 SDK defines */
56 class PictureAssetWriter;
59 * @brief Parent for classes which represent MXF files.
67 /** @return true if the data is encrypted */
68 bool encrypted () const {
69 return static_cast<bool>(_key_id);
72 /** Set the ID of the key that is used for encryption/decryption.
75 void set_key_id (std::string i) {
79 /** @return the ID of the key used for encryption/decryption, if there is one */
80 boost::optional<std::string> key_id () const {
84 virtual void set_key (Key);
86 /** @return encryption/decryption key, if one has been set */
87 boost::optional<Key> key () const {
91 /** Set the context ID to be used when encrypting.
94 void set_context_id (std::string id) {
98 /** @return context ID used when encrypting; this starts off as a random value */
99 std::string context_id () const {
103 /** Set the metadata that is written to the MXF file.
106 void set_metadata (MXFMetadata m) {
110 /** @return metadata from the MXF file */
111 MXFMetadata metadata () const {
116 template <class P, class Q>
117 friend void start (PictureAssetWriter* writer, boost::shared_ptr<P> state, Standard standard, Q* mxf, uint8_t const * data, int size);
119 std::string read_writer_info (ASDCP::WriterInfo const &);
120 /** Fill in a ADSCP::WriteInfo struct.
121 * @param w struct to fill in.
122 * @param standard INTEROP or SMPTE.
124 void fill_writer_info (ASDCP::WriterInfo* w, std::string id, Standard standard) const;
126 /** ID of the key used for encryption/decryption, if there is one */
127 boost::optional<std::string> _key_id;
128 /** Key used for encryption/decryption, if there is one */
129 boost::optional<Key> _key;
130 std::string _context_id;
131 MXFMetadata _metadata;