2 Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include <libdcp/raw_convert.h>
21 #include "player_video_frame.h"
23 #include "image_proxy.h"
28 using boost::shared_ptr;
29 using libdcp::raw_convert;
31 PlayerVideoFrame::PlayerVideoFrame (
32 shared_ptr<const ImageProxy> in,
34 libdcp::Size inter_size,
35 libdcp::Size out_size,
36 Scaler const * scaler,
39 ColourConversion colour_conversion
43 , _inter_size (inter_size)
44 , _out_size (out_size)
48 , _colour_conversion (colour_conversion)
53 PlayerVideoFrame::PlayerVideoFrame (shared_ptr<cxml::Node> node, shared_ptr<Socket> socket, shared_ptr<Log> log)
57 _inter_size = libdcp::Size (node->number_child<int> ("InterWidth"), node->number_child<int> ("InterHeight"));
58 _out_size = libdcp::Size (node->number_child<int> ("OutWidth"), node->number_child<int> ("OutHeight"));
59 _scaler = Scaler::from_id (node->string_child ("Scaler"));
60 _eyes = (Eyes) node->number_child<int> ("Eyes");
61 _part = (Part) node->number_child<int> ("Part");
62 _colour_conversion = ColourConversion (node);
64 _in = image_proxy_factory (node->node_child ("In"), socket, log);
66 if (node->optional_number_child<int> ("SubtitleX")) {
68 _subtitle_position = Position<int> (node->number_child<int> ("SubtitleX"), node->number_child<int> ("SubtitleY"));
70 shared_ptr<Image> image (
71 new Image (PIX_FMT_RGBA, libdcp::Size (node->number_child<int> ("SubtitleWidth"), node->number_child<int> ("SubtitleHeight")), true)
74 image->read_from_socket (socket);
75 _subtitle_image = image;
80 PlayerVideoFrame::set_subtitle (shared_ptr<const Image> image, Position<int> pos)
82 _subtitle_image = image;
83 _subtitle_position = pos;
87 PlayerVideoFrame::image () const
89 shared_ptr<Image> im = _in->image ();
91 Crop total_crop = _crop;
94 total_crop.right += im->size().width / 2;
97 total_crop.left += im->size().width / 2;
100 total_crop.bottom += im->size().height / 2;
102 case PART_BOTTOM_HALF:
103 total_crop.top += im->size().height / 2;
109 shared_ptr<Image> out = im->crop_scale_window (total_crop, _inter_size, _out_size, _scaler, PIX_FMT_RGB24, false);
111 Position<int> const container_offset ((_out_size.width - _inter_size.width) / 2, (_out_size.height - _inter_size.width) / 2);
113 if (_subtitle_image) {
114 out->alpha_blend (_subtitle_image, _subtitle_position);
121 PlayerVideoFrame::add_metadata (xmlpp::Node* node) const
124 _in->add_metadata (node->add_child ("In"));
125 node->add_child("InterWidth")->add_child_text (raw_convert<string> (_inter_size.width));
126 node->add_child("InterHeight")->add_child_text (raw_convert<string> (_inter_size.height));
127 node->add_child("OutWidth")->add_child_text (raw_convert<string> (_out_size.width));
128 node->add_child("OutHeight")->add_child_text (raw_convert<string> (_out_size.height));
129 node->add_child("Scaler")->add_child_text (_scaler->id ());
130 node->add_child("Eyes")->add_child_text (raw_convert<string> (_eyes));
131 node->add_child("Part")->add_child_text (raw_convert<string> (_part));
132 _colour_conversion.as_xml (node);
133 if (_subtitle_image) {
134 node->add_child ("SubtitleWidth")->add_child_text (raw_convert<string> (_subtitle_image->size().width));
135 node->add_child ("SubtitleHeight")->add_child_text (raw_convert<string> (_subtitle_image->size().height));
136 node->add_child ("SubtitleX")->add_child_text (raw_convert<string> (_subtitle_position.x));
137 node->add_child ("SubtitleY")->add_child_text (raw_convert<string> (_subtitle_position.y));
142 PlayerVideoFrame::send_binary (shared_ptr<Socket> socket) const
144 _in->send_binary (socket);
145 if (_subtitle_image) {
146 _subtitle_image->write_to_socket (socket);