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
28 #include "dcpomatic_time.h"
29 #include "colour_conversion.h"
30 #include "position_image.h"
32 #include <libavutil/pixfmt.h>
34 #include <boost/thread/mutex.hpp>
43 /** Everything needed to describe a video frame coming out of the player, but with the
44 * bits still their raw form. We may want to combine the bits on a remote machine,
45 * or maybe not even bother to combine them at all.
51 std::shared_ptr<const ImageProxy> image,
53 boost::optional<double> fade,
58 boost::optional<ColourConversion> colour_conversion,
59 VideoRange video_range,
60 std::weak_ptr<Content> content,
61 boost::optional<Frame> video_frame,
65 PlayerVideo (std::shared_ptr<cxml::Node>, std::shared_ptr<Socket>);
67 PlayerVideo (PlayerVideo const&) = delete;
68 PlayerVideo& operator= (PlayerVideo const&) = delete;
70 std::shared_ptr<PlayerVideo> shallow_copy () const;
72 void set_text (PositionImage);
74 void prepare (std::function<AVPixelFormat (AVPixelFormat)> pixel_format, VideoRange video_range, bool aligned, bool fast);
75 std::shared_ptr<Image> image (std::function<AVPixelFormat (AVPixelFormat)> pixel_format, VideoRange video_range, bool aligned, bool fast) const;
77 static AVPixelFormat force (AVPixelFormat, AVPixelFormat);
78 static AVPixelFormat keep_xyz_or_rgb (AVPixelFormat);
80 void add_metadata (xmlpp::Node* node) const;
81 void write_to_socket (std::shared_ptr<Socket> socket) const;
83 bool reset_metadata (std::shared_ptr<const Film> film, dcp::Size player_video_container_size);
85 bool has_j2k () const;
86 std::shared_ptr<const dcp::Data> j2k () const;
92 void set_eyes (Eyes e) {
96 boost::optional<ColourConversion> colour_conversion () const {
97 return _colour_conversion;
100 /** @return Position of the content within the overall image once it has been scaled up */
101 Position<int> inter_position () const;
103 /** @return Size of the content within the overall image once it has been scaled up */
104 dcp::Size inter_size () const {
108 bool same (std::shared_ptr<const PlayerVideo> other) const;
110 size_t memory_used () const;
112 std::weak_ptr<Content> content () const {
116 bool error () const {
121 void make_image (std::function<AVPixelFormat (AVPixelFormat)> pixel_format, VideoRange video_range, bool aligned, bool fast) const;
123 std::shared_ptr<const ImageProxy> _in;
125 boost::optional<double> _fade;
126 dcp::Size _inter_size;
130 boost::optional<ColourConversion> _colour_conversion;
131 VideoRange _video_range;
132 boost::optional<PositionImage> _text;
133 /** Content that we came from. This is so that reset_metadata() can work. */
134 std::weak_ptr<Content> _content;
135 /** Video frame that we came from. Again, this is for reset_metadata() */
136 boost::optional<Frame> _video_frame;
138 mutable boost::mutex _mutex;
139 mutable std::shared_ptr<Image> _image;
140 /** _crop that was used to make _image */
141 mutable Crop _image_crop;
142 /** _inter_size that was used to make _image */
143 mutable dcp::Size _image_inter_size;
144 /** _out_size that was used to make _image */
145 mutable dcp::Size _image_out_size;
146 /** _fade that was used to make _image */
147 mutable boost::optional<double> _image_fade;
148 /** true if there was an error when decoding our image */