2 Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include <boost/signals2.hpp>
33 /* Undefine some stuff that the OS X 10.5 SDK defines */
43 * @brief Parent class for classes which represent MXF files.
45 class MXF : public Content
48 MXF (Fraction edit_rate);
49 MXF (boost::filesystem::path file);
52 /** @return the 4-character key type for this MXF (MDIK, MDAK, etc.) */
53 virtual std::string key_type () const = 0;
56 boost::shared_ptr<const Content> other,
58 boost::function<void (NoteType, std::string)> note
61 /** Fill in a ADSCP::WriteInfo struct.
62 * @param w struct to fill in.
63 * @param standard INTEROP or SMPTE.
65 void fill_writer_info (ASDCP::WriterInfo* w, Standard standard);
67 /** @return true if the data is encrypted */
68 bool encrypted () const {
69 return !_key_id.empty ();
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, or an empty string */
80 std::string key_id () const {
86 /** @return encryption/decryption key, if one has been set */
87 boost::optional<Key> key () const {
91 /** @return encryption context, set up with any key that has been passed to set_key() */
92 ASDCP::AESEncContext* encryption_context () const {
93 return _encryption_context;
96 /** Set the metadata that is written to the MXF file.
99 void set_metadata (MXFMetadata m) {
103 /** @return metadata from the MXF file */
104 MXFMetadata metadata () const {
109 std::string pkl_type (Standard standard) const;
110 void read_writer_info (ASDCP::WriterInfo const &);
112 ASDCP::AESEncContext* _encryption_context;
113 ASDCP::AESDecContext* _decryption_context;
114 /** ID of the key used for encryption/decryption, or an empty string */
116 /** Key used for encryption/decryption, if there is one */
117 boost::optional<Key> _key;
118 MXFMetadata _metadata;