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.
21 * @brief A class to create a DCP.
29 #include <boost/shared_ptr.hpp>
30 #include <boost/signals2.hpp>
31 #include <boost/date_time/posix_time/posix_time.hpp>
33 #include "certificates.h"
40 /** @brief Namespace for everything in libdcp */
54 Encryption (CertificateChain c, std::string const & k)
59 CertificateChain certificates;
60 std::string signer_key;
66 CPL (std::string directory, std::string name, ContentKind content_kind, int length, int frames_per_second);
67 CPL (std::string directory, std::string file, boost::shared_ptr<const AssetMap> asset_map, bool require_mxfs = true);
69 void add_reel (boost::shared_ptr<const Reel> reel);
71 /** @return the length in frames */
76 /** @return the type of the content, used by media servers
77 * to categorise things (e.g. feature, trailer, etc.)
79 ContentKind content_kind () const {
83 std::list<boost::shared_ptr<const Reel> > reels () const {
87 /** @return the CPL's name, as will be presented on projector
88 * media servers and theatre management systems.
90 std::string name () const {
94 /** @return the number of frames per second */
95 int frames_per_second () const {
99 std::list<boost::shared_ptr<const Asset> > assets () const;
101 bool equals (CPL const & other, EqualityOptions options, std::list<std::string>& notes) const;
103 void write_xml (boost::shared_ptr<Encryption>) const;
104 void write_to_assetmap (std::ostream& s) const;
105 void write_to_pkl (xmlpp::Element* p) const;
107 boost::shared_ptr<xmlpp::Document> make_kdm (
108 CertificateChain const &,
110 boost::shared_ptr<const Certificate>,
111 boost::posix_time::ptime from,
112 boost::posix_time::ptime until
116 std::string _directory;
117 /** the name of the DCP */
119 /** the content kind of the CPL */
120 ContentKind _content_kind;
121 /** length in frames */
123 /** frames per second */
126 std::list<boost::shared_ptr<const Reel> > _reels;
129 mutable std::string _digest;
132 /** @class DCP dcp.h libdcp/dcp.h
133 * @brief A class to create or read a DCP.
139 /** Construct a DCP. You can pass an existing DCP's directory
140 * as the parameter, or a non-existant folder to create a new
143 * @param directory Directory containing the DCP's files.
145 DCP (std::string directory);
147 /** Read an existing DCP's data.
149 * The DCP's XML metadata will be examined, and you can then look at the contents
152 * @param require_mxfs true to throw an exception if MXF files are missing; setting to false
153 * can be useful for testing, but normally it should be set to true.
155 void read (bool require_mxfs = true);
157 /** Write the required XML files to the directory that was
158 * passed into the constructor.
160 void write_xml (boost::shared_ptr<Encryption> crypt = boost::shared_ptr<Encryption> ()) const;
162 /** Compare this DCP with another, according to various options.
163 * @param other DCP to compare this one to.
164 * @param options Options to define just what "equality" means.
165 * @param notes Filled in with notes about differences.
166 * @return true if the DCPs are equal according to EqualityOptions, otherwise false.
168 bool equals (DCP const & other, EqualityOptions options, std::list<std::string>& notes) const;
170 void add_cpl (boost::shared_ptr<CPL> cpl);
172 std::list<boost::shared_ptr<const CPL> > cpls () const {
176 /** Emitted with a parameter between 0 and 1 to indicate progress
179 boost::signals2::signal<void (float)> Progress;
183 /** Write the PKL file.
184 * @param pkl_uuid UUID to use.
186 std::string write_pkl (std::string pkl_uuid, boost::shared_ptr<Encryption>) const;
188 /** Write the VOLINDEX file */
189 void write_volindex () const;
191 /** Write the ASSETMAP file.
192 * @param pkl_uuid UUID of our PKL.
193 * @param pkl_length Length of our PKL in bytes.
195 void write_assetmap (std::string pkl_uuid, int pkl_length) const;
197 std::list<boost::shared_ptr<const Asset> > assets () const;
200 std::list<std::string> cpls;
202 std::string asset_map;
205 /** the directory that we are writing to */
206 std::string _directory;
207 std::list<boost::shared_ptr<const CPL> > _cpls;