2 Copyright (C) 2013-2020 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 #ifndef DCPOMATIC_PLAYER_VIDEO_H
22 #define DCPOMATIC_PLAYER_VIDEO_H
26 #include "dcpomatic_time.h"
27 #include "colour_conversion.h"
28 #include "position_image.h"
30 #include <libavutil/pixfmt.h>
32 #include <boost/thread/mutex.hpp>
33 #include <boost/noncopyable.hpp>
40 /** Everything needed to describe a video frame coming out of the player, but with the
41 * bits still their raw form. We may want to combine the bits on a remote machine,
42 * or maybe not even bother to combine them at all.
44 class PlayerVideo : public boost::noncopyable
48 std::shared_ptr<const ImageProxy>,
50 boost::optional<double>,
55 boost::optional<ColourConversion>,
56 VideoRange video_range,
57 std::weak_ptr<Content>,
58 boost::optional<Frame>,
62 PlayerVideo (std::shared_ptr<cxml::Node>, std::shared_ptr<Socket>);
64 std::shared_ptr<PlayerVideo> shallow_copy () const;
66 void set_text (PositionImage);
68 void prepare (boost::function<AVPixelFormat (AVPixelFormat)> pixel_format, VideoRange video_range, bool aligned, bool fast);
69 std::shared_ptr<Image> image (boost::function<AVPixelFormat (AVPixelFormat)> pixel_format, VideoRange video_range, bool aligned, bool fast) const;
71 static AVPixelFormat force (AVPixelFormat, AVPixelFormat);
72 static AVPixelFormat keep_xyz_or_rgb (AVPixelFormat);
74 void add_metadata (xmlpp::Node* node) const;
75 void write_to_socket (std::shared_ptr<Socket> socket) const;
77 bool reset_metadata (std::shared_ptr<const Film> film, dcp::Size player_video_container_size);
79 bool has_j2k () const;
80 std::shared_ptr<const dcp::Data> j2k () const;
86 void set_eyes (Eyes e) {
90 boost::optional<ColourConversion> colour_conversion () const {
91 return _colour_conversion;
94 /** @return Position of the content within the overall image once it has been scaled up */
95 Position<int> inter_position () const;
97 /** @return Size of the content within the overall image once it has been scaled up */
98 dcp::Size inter_size () const {
102 bool same (std::shared_ptr<const PlayerVideo> other) const;
104 size_t memory_used () const;
106 std::weak_ptr<Content> content () const {
110 bool error () const {
115 void make_image (boost::function<AVPixelFormat (AVPixelFormat)> pixel_format, VideoRange video_range, bool aligned, bool fast) const;
117 std::shared_ptr<const ImageProxy> _in;
119 boost::optional<double> _fade;
120 dcp::Size _inter_size;
124 boost::optional<ColourConversion> _colour_conversion;
125 VideoRange _video_range;
126 boost::optional<PositionImage> _text;
127 /** Content that we came from. This is so that reset_metadata() can work. */
128 std::weak_ptr<Content> _content;
129 /** Video frame that we came from. Again, this is for reset_metadata() */
130 boost::optional<Frame> _video_frame;
132 mutable boost::mutex _mutex;
133 mutable std::shared_ptr<Image> _image;
134 /** _crop that was used to make _image */
135 mutable Crop _image_crop;
136 /** _inter_size that was used to make _image */
137 mutable dcp::Size _image_inter_size;
138 /** _out_size that was used to make _image */
139 mutable dcp::Size _image_out_size;
140 /** _fade that was used to make _image */
141 mutable boost::optional<double> _image_fade;
142 /** true if there was an error when decoding our image */