2 Copyright (C) 2015-2021 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic 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 DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
22 #include "image_proxy.h"
23 #include <dcp/array_data.h>
25 #include <boost/thread/mutex.hpp>
29 class MonoPictureFrame;
30 class StereoPictureFrame;
34 class J2KImageProxy : public ImageProxy
37 J2KImageProxy (boost::filesystem::path path, dcp::Size, AVPixelFormat pixel_format);
40 std::shared_ptr<const dcp::MonoPictureFrame> frame,
42 AVPixelFormat pixel_format,
43 boost::optional<int> forced_reduction
47 std::shared_ptr<const dcp::StereoPictureFrame> frame,
50 AVPixelFormat pixel_format,
51 boost::optional<int> forced_reduction
54 J2KImageProxy (std::shared_ptr<cxml::Node> xml, std::shared_ptr<Socket> socket);
57 J2KImageProxy (dcp::ArrayData data, dcp::Size size, AVPixelFormat pixel_format);
60 Image::Alignment alignment,
61 boost::optional<dcp::Size> size = boost::optional<dcp::Size> ()
64 void add_metadata (xmlpp::Node *) const;
65 void write_to_socket (std::shared_ptr<Socket>) const;
66 /** @return true if our image is definitely the same as another, false if it is probably not */
67 bool same (std::shared_ptr<const ImageProxy>) const;
68 int prepare (Image::Alignment alignment, boost::optional<dcp::Size> = boost::optional<dcp::Size>()) const;
70 std::shared_ptr<const dcp::Data> j2k () const {
74 dcp::Size size () const {
78 boost::optional<dcp::Eye> eye () const {
82 size_t memory_used () const;
85 std::shared_ptr<const dcp::Data> _data;
87 boost::optional<dcp::Eye> _eye;
88 mutable std::shared_ptr<Image> _image;
89 mutable boost::optional<dcp::Size> _target_size;
90 mutable boost::optional<int> _reduce;
91 AVPixelFormat _pixel_format;
92 mutable boost::mutex _mutex;
93 boost::optional<int> _forced_reduction;
94 /** true if an error occurred while decoding the JPEG2000 data, false if not */