2 Copyright (C) 2012-2021 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.
35 /** @file src/picture_asset.h
36 * @brief J2KPictureAsset class
40 #ifndef LIBDCP_J2K_PICTURE_ASSET_H
41 #define LIBDCP_J2K_PICTURE_ASSET_H
46 #include "picture_asset.h"
52 struct PictureDescriptor;
60 class MonoJ2KPictureFrame;
61 class StereoJ2KPictureFrame;
62 class J2KPictureAssetWriter;
65 /** @class J2KPictureAsset
66 * @brief An asset made up of JPEG2000 data
68 class J2KPictureAsset : public PictureAsset
71 /** Load a J2KPictureAsset from a file */
72 explicit J2KPictureAsset (boost::filesystem::path file);
74 /** Create a new J2KPictureAsset with a given edit rate and standard */
75 J2KPictureAsset (Fraction edit_rate, Standard standard);
77 enum class Behaviour {
82 virtual std::shared_ptr<J2KPictureAssetWriter> start_write (
83 boost::filesystem::path file,
87 static std::string static_pkl_type (Standard standard);
90 friend class MonoJ2KPictureAssetWriter;
91 friend class StereoJ2KPictureAssetWriter;
93 bool frame_buffer_equals (
94 int frame, EqualityOptions const& opt, NoteHandler note,
95 uint8_t const * data_A, unsigned int size_A, uint8_t const * data_B, unsigned int size_B
98 bool descriptor_equals (
99 ASDCP::JP2K::PictureDescriptor const & a,
100 ASDCP::JP2K::PictureDescriptor const & b,
104 void read_picture_descriptor (ASDCP::JP2K::PictureDescriptor const &);
107 std::string pkl_type (Standard standard) const override;