2 Copyright (C) 2013-2015 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 "player_video.h"
22 #include "image_proxy.h"
23 #include "j2k_image_proxy.h"
25 #include "raw_convert.h"
26 #include <libxml++/libxml++.h>
31 using boost::shared_ptr;
32 using boost::dynamic_pointer_cast;
33 using boost::optional;
35 PlayerVideo::PlayerVideo (
36 shared_ptr<const ImageProxy> in,
39 boost::optional<double> fade,
44 optional<ColourConversion> colour_conversion
50 , _inter_size (inter_size)
51 , _out_size (out_size)
54 , _colour_conversion (colour_conversion)
59 PlayerVideo::PlayerVideo (shared_ptr<cxml::Node> node, shared_ptr<Socket> socket)
61 _time = DCPTime (node->number_child<DCPTime::Type> ("Time"));
63 _fade = node->optional_number_child<double> ("Fade");
65 _inter_size = dcp::Size (node->number_child<int> ("InterWidth"), node->number_child<int> ("InterHeight"));
66 _out_size = dcp::Size (node->number_child<int> ("OutWidth"), node->number_child<int> ("OutHeight"));
67 _eyes = (Eyes) node->number_child<int> ("Eyes");
68 _part = (Part) node->number_child<int> ("Part");
70 /* Assume that the ColourConversion uses the current state version */
71 _colour_conversion = ColourConversion::from_xml (node, Film::current_state_version);
73 _in = image_proxy_factory (node->node_child ("In"), socket);
75 if (node->optional_number_child<int> ("SubtitleX")) {
77 shared_ptr<Image> image (
78 new Image (PIX_FMT_RGBA, dcp::Size (node->number_child<int> ("SubtitleWidth"), node->number_child<int> ("SubtitleHeight")), true)
81 image->read_from_socket (socket);
83 _subtitle = PositionImage (image, Position<int> (node->number_child<int> ("SubtitleX"), node->number_child<int> ("SubtitleY")));
88 PlayerVideo::set_subtitle (PositionImage image)
94 PlayerVideo::image (AVPixelFormat pixel_format, dcp::NoteHandler note) const
96 shared_ptr<Image> im = _in->image (optional<dcp::NoteHandler> (note));
98 Crop total_crop = _crop;
101 total_crop.right += im->size().width / 2;
103 case PART_RIGHT_HALF:
104 total_crop.left += im->size().width / 2;
107 total_crop.bottom += im->size().height / 2;
109 case PART_BOTTOM_HALF:
110 total_crop.top += im->size().height / 2;
116 dcp::YUVToRGB yuv_to_rgb = dcp::YUV_TO_RGB_REC601;
117 if (_colour_conversion) {
118 yuv_to_rgb = _colour_conversion.get().yuv_to_rgb();
121 shared_ptr<Image> out = im->crop_scale_window (total_crop, _inter_size, _out_size, yuv_to_rgb, pixel_format, true);
124 out->alpha_blend (_subtitle->image, _subtitle->position);
128 out->fade (_fade.get ());
135 PlayerVideo::add_metadata (xmlpp::Node* node) const
137 node->add_child("Time")->add_child_text (raw_convert<string> (_time.get ()));
140 node->add_child("Fade")->add_child_text (raw_convert<string> (_fade.get ()));
142 _in->add_metadata (node->add_child ("In"));
143 node->add_child("InterWidth")->add_child_text (raw_convert<string> (_inter_size.width));
144 node->add_child("InterHeight")->add_child_text (raw_convert<string> (_inter_size.height));
145 node->add_child("OutWidth")->add_child_text (raw_convert<string> (_out_size.width));
146 node->add_child("OutHeight")->add_child_text (raw_convert<string> (_out_size.height));
147 node->add_child("Eyes")->add_child_text (raw_convert<string> (_eyes));
148 node->add_child("Part")->add_child_text (raw_convert<string> (_part));
149 if (_colour_conversion) {
150 _colour_conversion.get().as_xml (node);
153 node->add_child ("SubtitleWidth")->add_child_text (raw_convert<string> (_subtitle->image->size().width));
154 node->add_child ("SubtitleHeight")->add_child_text (raw_convert<string> (_subtitle->image->size().height));
155 node->add_child ("SubtitleX")->add_child_text (raw_convert<string> (_subtitle->position.x));
156 node->add_child ("SubtitleY")->add_child_text (raw_convert<string> (_subtitle->position.y));
161 PlayerVideo::send_binary (shared_ptr<Socket> socket) const
163 _in->send_binary (socket);
165 _subtitle->image->write_to_socket (socket);
170 PlayerVideo::has_j2k () const
172 /* XXX: maybe other things */
174 shared_ptr<const J2KImageProxy> j2k = dynamic_pointer_cast<const J2KImageProxy> (_in);
179 return _crop == Crop () && _inter_size == j2k->size() && !_subtitle && !_fade && !_colour_conversion;
183 PlayerVideo::j2k () const
185 shared_ptr<const J2KImageProxy> j2k = dynamic_pointer_cast<const J2KImageProxy> (_in);
186 DCPOMATIC_ASSERT (j2k);
191 PlayerVideo::inter_position () const
193 return Position<int> ((_out_size.width - _inter_size.width) / 2, (_out_size.height - _inter_size.height) / 2);
196 /** @return true if this PlayerVideo is definitely the same as another
197 * (apart from _time), false if it is probably not
200 PlayerVideo::same (shared_ptr<const PlayerVideo> other) const
202 if (_crop != other->_crop ||
203 _fade.get_value_or(0) != other->_fade.get_value_or(0) ||
204 _inter_size != other->_inter_size ||
205 _out_size != other->_out_size ||
206 _eyes != other->_eyes ||
207 _part != other->_part ||
208 _colour_conversion != other->_colour_conversion) {
212 if ((!_subtitle && other->_subtitle) || (_subtitle && !other->_subtitle)) {
213 /* One has a subtitle and the other doesn't */
217 if (_subtitle && other->_subtitle && !_subtitle->same (other->_subtitle.get ())) {
218 /* They both have subtitles but they are different */
222 /* Now neither has subtitles */
224 return _in->same (other->_in);