2 Copyright (C) 2015-2017 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/>.
21 #include "image_proxy.h"
22 #include <dcp/array_data.h>
24 #include <boost/thread/mutex.hpp>
27 class MonoPictureFrame;
28 class StereoPictureFrame;
31 class J2KImageProxy : public ImageProxy
34 J2KImageProxy (boost::filesystem::path path, dcp::Size, AVPixelFormat pixel_format);
37 std::shared_ptr<const dcp::MonoPictureFrame> frame,
39 AVPixelFormat pixel_format,
40 boost::optional<int> forced_reduction
44 std::shared_ptr<const dcp::StereoPictureFrame> frame,
47 AVPixelFormat pixel_format,
48 boost::optional<int> forced_reduction
51 J2KImageProxy (std::shared_ptr<cxml::Node> xml, std::shared_ptr<Socket> socket);
54 J2KImageProxy (dcp::ArrayData data, dcp::Size size, AVPixelFormat pixel_format);
57 boost::optional<dcp::Size> size = boost::optional<dcp::Size> ()
60 void add_metadata (xmlpp::Node *) const;
61 void write_to_socket (std::shared_ptr<Socket>) const;
62 /** @return true if our image is definitely the same as another, false if it is probably not */
63 bool same (std::shared_ptr<const ImageProxy>) const;
64 int prepare (boost::optional<dcp::Size> = boost::optional<dcp::Size>()) const;
66 std::shared_ptr<const dcp::Data> j2k () const {
70 dcp::Size size () const {
74 boost::optional<dcp::Eye> eye () const {
78 size_t memory_used () const;
81 std::shared_ptr<const dcp::Data> _data;
83 boost::optional<dcp::Eye> _eye;
84 mutable std::shared_ptr<Image> _image;
85 mutable boost::optional<dcp::Size> _target_size;
86 mutable boost::optional<int> _reduce;
87 AVPixelFormat _pixel_format;
88 mutable boost::mutex _mutex;
89 boost::optional<int> _forced_reduction;
90 /** true if an error occurred while decoding the JPEG2000 data, false if not */