2 Copyright (C) 2012 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.
20 #ifndef LIBDCP_MXF_ASSET_H
21 #define LIBDCP_MXF_ASSET_H
23 #include <boost/signals2.hpp>
37 /** @brief Parent class for assets which have MXF files */
38 class MXFAsset : public Asset
41 /** Construct an MXFAsset.
42 * This class will not write anything to disk in this constructor, but subclasses may.
44 * @param directory Directory where MXF file is.
45 * @param file_name Name of MXF file.
47 MXFAsset (boost::filesystem::path directory, std::string file_name);
49 /** Construct an MXFAsset.
50 * This class will not write anything to disk in this constructor, but subclasses may.
52 * @param directory Directory where MXF file is.
53 * @param file_name Name of MXF file.
54 * @param progress Signal to use to inform of progress, or 0.
55 * @param edit_rate Edit rate in frames per second (usually equal to the video frame rate).
56 * @param intrinsic_duration Duration of the whole asset in frames.
59 boost::filesystem::path directory,
60 std::string file_name,
61 boost::signals2::signal<void (float)>* progress,
63 int intrinsic_duration
68 virtual bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, boost::function<void (NoteType, std::string)> note) const;
70 virtual void write_to_cpl (xmlpp::Element *, bool interop) const;
72 /** Fill in a ADSCP::WriteInfo struct.
73 * @param w struct to fill in.
74 * @param uuid uuid to use.
75 * @param true to label as interop, false for SMPTE.
77 void fill_writer_info (ASDCP::WriterInfo* w, std::string uuid, bool interop, MXFMetadata const & metadata);
79 bool encrypted () const {
80 return !_key_id.empty ();
83 void set_key_id (std::string i) {
87 std::string key_id () const {
93 boost::optional<Key> key () const {
97 ASDCP::AESEncContext* encryption_context () const {
98 return _encryption_context;
101 virtual std::string key_type () const = 0;
104 virtual std::string cpl_node_name () const = 0;
105 virtual std::pair<std::string, std::string> cpl_node_attribute (bool) const {
106 return std::make_pair ("", "");
109 /** Signal to emit to report progress, or 0 */
110 boost::signals2::signal<void (float)>* _progress;
111 ASDCP::AESEncContext* _encryption_context;
112 ASDCP::AESDecContext* _decryption_context;
114 boost::optional<Key> _key;