2 Copyright (C) 2013-2021 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 #ifndef DCPOMATIC_PLAYER_VIDEO_H
23 #define DCPOMATIC_PLAYER_VIDEO_H
26 #include "colour_conversion.h"
27 #include "dcpomatic_time.h"
29 #include "pixel_quanta.h"
31 #include "position_image.h"
34 #include <libavutil/pixfmt.h>
36 #include <boost/thread/mutex.hpp>
45 /** Everything needed to describe a video frame coming out of the player, but with the
46 * bits still their raw form. We may want to combine the bits on a remote machine,
47 * or maybe not even bother to combine them at all.
53 std::shared_ptr<const ImageProxy> image,
55 boost::optional<double> fade,
56 dcp::Size size_in_film,
57 PixelQuanta pixel_quanta,
60 boost::optional<ColourConversion> colour_conversion,
61 VideoRange video_range,
62 std::weak_ptr<Content> content,
63 boost::optional<Frame> video_frame,
67 PlayerVideo (std::shared_ptr<cxml::Node>, std::shared_ptr<Socket>);
69 PlayerVideo (PlayerVideo const&) = delete;
70 PlayerVideo& operator= (PlayerVideo const&) = delete;
72 std::shared_ptr<PlayerVideo> shallow_copy () const;
74 void set_text (PositionImage);
75 boost::optional<PositionImage> text () const {
80 std::function<AVPixelFormat (AVPixelFormat)> pixel_format,
81 dcp::Size display_container,
82 dcp::Size film_container,
83 VideoRange video_range,
84 Image::Alignment alignment,
89 std::shared_ptr<Image> image(
90 std::function<AVPixelFormat (AVPixelFormat)> pixel_format,
91 dcp::Size display_container,
92 dcp::Size film_container,
93 VideoRange video_range,
97 std::shared_ptr<const Image> raw_image(
98 dcp::Size display_container,
99 dcp::Size film_container
102 static AVPixelFormat force (AVPixelFormat);
103 static AVPixelFormat keep_xyz_or_rgb (AVPixelFormat);
105 void add_metadata (xmlpp::Node* node) const;
106 void write_to_socket (std::shared_ptr<Socket> socket) const;
108 bool reset_metadata(std::shared_ptr<const Film> film);
111 dcp::Size display_container,
112 dcp::Size film_container
115 std::shared_ptr<const dcp::Data> j2k () const;
121 void set_eyes (Eyes e) {
125 boost::optional<ColourConversion> colour_conversion () const {
126 return _colour_conversion;
129 bool same (std::shared_ptr<const PlayerVideo> other) const;
131 size_t memory_used () const;
133 std::weak_ptr<Content> content () const {
137 bool error () const {
143 std::function<AVPixelFormat (AVPixelFormat)> pixel_format,
144 dcp::Size display_container,
145 dcp::Size film_container,
146 VideoRange video_range,
150 std::shared_ptr<const ImageProxy> _in;
152 boost::optional<double> _fade;
153 dcp::Size _size_in_film;
154 PixelQuanta _pixel_quanta;
157 boost::optional<ColourConversion> _colour_conversion;
158 VideoRange _video_range;
159 boost::optional<PositionImage> _text;
160 /** Content that we came from. This is so that reset_metadata() can work. */
161 std::weak_ptr<Content> _content;
162 /** Video frame that we came from. Again, this is for reset_metadata() */
163 boost::optional<Frame> _video_frame;
165 mutable boost::mutex _mutex;
166 mutable std::shared_ptr<Image> _image;
167 /** _crop that was used to make _image */
168 mutable Crop _image_crop;
169 /** _size_in_film that was used to make _image */
170 mutable dcp::Size _image_size_in_film;
171 /** _pixel_quanta that was used to make _image */
172 mutable PixelQuanta _image_pixel_quanta;
173 /** _fade that was used to make _image */
174 mutable boost::optional<double> _image_fade;
175 /** true if there was an error when decoding our image */