diff options
Diffstat (limited to 'src/lib/player_video_frame.cc')
| -rw-r--r-- | src/lib/player_video_frame.cc | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/lib/player_video_frame.cc b/src/lib/player_video_frame.cc new file mode 100644 index 000000000..c96ed3a33 --- /dev/null +++ b/src/lib/player_video_frame.cc @@ -0,0 +1,148 @@ +/* + Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#include <libdcp/raw_convert.h> +#include "player_video_frame.h" +#include "image.h" +#include "image_proxy.h" +#include "scaler.h" + +using std::string; +using std::cout; +using boost::shared_ptr; +using libdcp::raw_convert; + +PlayerVideoFrame::PlayerVideoFrame ( + shared_ptr<const ImageProxy> in, + Crop crop, + libdcp::Size inter_size, + libdcp::Size out_size, + Scaler const * scaler, + Eyes eyes, + Part part, + ColourConversion colour_conversion + ) + : _in (in) + , _crop (crop) + , _inter_size (inter_size) + , _out_size (out_size) + , _scaler (scaler) + , _eyes (eyes) + , _part (part) + , _colour_conversion (colour_conversion) +{ + +} + +PlayerVideoFrame::PlayerVideoFrame (shared_ptr<cxml::Node> node, shared_ptr<Socket> socket) +{ + _crop = Crop (node); + + _inter_size = libdcp::Size (node->number_child<int> ("InterWidth"), node->number_child<int> ("InterHeight")); + _out_size = libdcp::Size (node->number_child<int> ("OutWidth"), node->number_child<int> ("OutHeight")); + _scaler = Scaler::from_id (node->string_child ("Scaler")); + _eyes = (Eyes) node->number_child<int> ("Eyes"); + _part = (Part) node->number_child<int> ("Part"); + _colour_conversion = ColourConversion (node); + + _in = image_proxy_factory (node->node_child ("In"), socket); + + if (node->optional_number_child<int> ("SubtitleX")) { + + _subtitle_position = Position<int> (node->number_child<int> ("SubtitleX"), node->number_child<int> ("SubtitleY")); + + shared_ptr<Image> image ( + new Image (PIX_FMT_RGBA, libdcp::Size (node->number_child<int> ("SubtitleWidth"), node->number_child<int> ("SubtitleHeight")), true) + ); + + image->read_from_socket (socket); + _subtitle_image = image; + } +} + +void +PlayerVideoFrame::set_subtitle (shared_ptr<const Image> image, Position<int> pos) +{ + _subtitle_image = image; + _subtitle_position = pos; +} + +shared_ptr<Image> +PlayerVideoFrame::image () const +{ + shared_ptr<Image> im = _in->image (); + + Crop total_crop = _crop; + switch (_part) { + case PART_LEFT_HALF: + total_crop.right += im->size().width / 2; + break; + case PART_RIGHT_HALF: + total_crop.left += im->size().width / 2; + break; + case PART_TOP_HALF: + total_crop.bottom += im->size().height / 2; + break; + case PART_BOTTOM_HALF: + total_crop.top += im->size().height / 2; + break; + default: + break; + } + + shared_ptr<Image> out = im->crop_scale_window (total_crop, _inter_size, _out_size, _scaler, PIX_FMT_RGB24, false); + + Position<int> const container_offset ((_out_size.width - _inter_size.width) / 2, (_out_size.height - _inter_size.width) / 2); + + if (_subtitle_image) { + out->alpha_blend (_subtitle_image, _subtitle_position); + } + + return out; +} + +void +PlayerVideoFrame::add_metadata (xmlpp::Node* node) const +{ + _crop.as_xml (node); + _in->add_metadata (node->add_child ("In")); + node->add_child("InterWidth")->add_child_text (raw_convert<string> (_inter_size.width)); + node->add_child("InterHeight")->add_child_text (raw_convert<string> (_inter_size.height)); + node->add_child("OutWidth")->add_child_text (raw_convert<string> (_out_size.width)); + node->add_child("OutHeight")->add_child_text (raw_convert<string> (_out_size.height)); + node->add_child("Scaler")->add_child_text (_scaler->id ()); + node->add_child("Eyes")->add_child_text (raw_convert<string> (_eyes)); + node->add_child("Part")->add_child_text (raw_convert<string> (_part)); + _colour_conversion.as_xml (node); + if (_subtitle_image) { + node->add_child ("SubtitleWidth")->add_child_text (raw_convert<string> (_subtitle_image->size().width)); + node->add_child ("SubtitleHeight")->add_child_text (raw_convert<string> (_subtitle_image->size().height)); + node->add_child ("SubtitleX")->add_child_text (raw_convert<string> (_subtitle_position.x)); + node->add_child ("SubtitleY")->add_child_text (raw_convert<string> (_subtitle_position.y)); + } +} + +void +PlayerVideoFrame::send_binary (shared_ptr<Socket> socket) const +{ + _in->send_binary (socket); + if (_subtitle_image) { + _subtitle_image->write_to_socket (socket); + } +} |