libdcp
j2k_transcode.h
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1 /*
2  Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
3 
4  This file is part of libdcp.
5 
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.
10 
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.
15 
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/>.
18 
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
23  including the two.
24 
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.
32 */
33 
34 
40 #include "array_data.h"
41 #include <memory>
42 #include <stdint.h>
43 
44 
45 namespace dcp {
46 
47 
48 class OpenJPEGImage;
49 
50 
60 extern std::shared_ptr<OpenJPEGImage> decompress_j2k (uint8_t const * data, int64_t size, int reduce);
61 
62 extern std::shared_ptr<OpenJPEGImage> decompress_j2k (Data const& data, int reduce);
63 extern std::shared_ptr<OpenJPEGImage> decompress_j2k (std::shared_ptr<const Data> data, int reduce);
64 
68 extern ArrayData compress_j2k (std::shared_ptr<const OpenJPEGImage>, int bandwith, int frames_per_second, bool threed, bool fourk, std::string comment = "libdcp");
69 
70 
71 }
ArrayData class.
Class to hold an arbitrary block of data.
Definition: array_data.h:55
Definition: data.h:52
Namespace for everything in libdcp.
Definition: array_data.h:50
ArrayData compress_j2k(std::shared_ptr< const OpenJPEGImage >, int bandwith, int frames_per_second, bool threed, bool fourk, std::string comment="libdcp")
std::shared_ptr< OpenJPEGImage > decompress_j2k(uint8_t const *data, int64_t size, int reduce)