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/*
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 "scaler.h"
using std::string;
using std::cout;
using boost::shared_ptr;
using libdcp::raw_convert;
PlayerVideoFrame::PlayerVideoFrame (
shared_ptr<const Image> in,
Crop crop,
libdcp::Size inter_size,
libdcp::Size out_size,
Scaler const * scaler,
Eyes eyes,
ColourConversion colour_conversion
)
: _in (in)
, _crop (crop)
, _inter_size (inter_size)
, _out_size (out_size)
, _scaler (scaler)
, _eyes (eyes)
, _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");
_colour_conversion = ColourConversion (node);
shared_ptr<Image> image (new Image (PIX_FMT_RGB24, libdcp::Size (node->number_child<int> ("InWidth"), node->number_child<int> ("InHeight")), true));
image->read_from_socket (socket);
_in = image;
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> out = _in->crop_scale_window (_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::Element* node) const
{
_crop.as_xml (node);
node->add_child("InWidth")->add_child_text (raw_convert<string> (_in->size().width));
node->add_child("InHeight")->add_child_text (raw_convert<string> (_in->size().height));
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));
_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->write_to_socket (socket);
if (_subtitle_image) {
_subtitle_image->write_to_socket (socket);
}
}
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