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 <sigc++/sigc++.h>
37 /** @brief Namespace for everything in libdcp */
44 /** @class DCP dcp.h libdcp/dcp.h
45 * @brief A class to create or read a DCP.
52 * @param directory Directory to write files to.
54 * @param content_kind Content kind.
55 * @param fps Frames per second.
56 * @param length Length in frames.
58 DCP (std::string directory, std::string name, ContentKind content_kind, int fps, int length);
60 DCP (std::string directory);
62 /** Add a sound asset.
63 * @param files Pathnames of WAV files to use in the order Left, Right,
64 * Centre, Lfe (sub), Left surround, Right surround; not all files need
67 void add_sound_asset (std::vector<std::string> const & files);
69 /** Add a sound asset.
70 * @param get_path Functor to get the path to the WAV for a given channel.
71 * @param channels Number of channels.
73 void add_sound_asset (sigc::slot<std::string, Channel> get_path, int channels);
75 /** Add a picture asset.
76 * @param files Pathnames of JPEG2000 files, in frame order.
77 * @param width Width of images in pixels.
78 * @param height Height of images in pixels.
80 void add_picture_asset (std::vector<std::string> const & files, int width, int height);
82 /** Add a picture asset.
83 * @param get_path Functor to get path to the JPEG2000 for a given frame.
84 * @param width Width of images in pixels.
85 * @param height Height of images in pixels.
87 void add_picture_asset (sigc::slot<std::string, int> get_path, int width, int height);
89 /** Write the required XML files to the directory that was
90 * passed into the constructor.
92 void write_xml () const;
94 std::string name () const {
98 ContentKind content_kind () const {
102 int frames_per_second () const {
106 int length () const {
110 boost::shared_ptr<const PictureAsset> picture_asset () const;
112 std::list<std::string> equals (DCP const & other, EqualityOptions options) const;
114 /** Emitted with a parameter between 0 and 1 to indicate progress
117 sigc::signal1<void, float> Progress;
121 /** Write the CPL file.
122 * @param cpl_uuid UUID to use.
123 * @return CPL pathname.
125 std::string write_cpl (std::string cpl_uuid) const;
127 /** Write the PKL file.
128 * @param pkl_uuid UUID to use.
129 * @param cpl_uuid UUID of the CPL file.
130 * @param cpl_digest SHA digest of the CPL file.
131 * @param cpl_length Length of the CPL file in bytes.
133 std::string write_pkl (std::string pkl_uuid, std::string cpl_uuid, std::string cpl_digest, int cpl_length) const;
135 /** Write the VOLINDEX file */
136 void write_volindex () const;
138 /** Write the ASSETMAP file.
139 * @param cpl_uuid UUID of our CPL.
140 * @param cpl_length Length of our CPL in bytes.
141 * @param pkl_uuid UUID of our PKL.
142 * @param pkl_length Length of our PKL in bytes.
144 void write_assetmap (std::string cpl_uuid, int cpl_length, std::string pkl_uuid, int pkl_length) const;
146 /** the directory that we are writing to */
147 std::string _directory;
148 /** the name of the DCP */
150 /** the content kind of the DCP */
151 ContentKind _content_kind;
152 /** frames per second */
154 /** length in frames */
157 std::list<boost::shared_ptr<Asset> > _assets;