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/*
Copyright (C) 2014-2015 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 "j2k_image_proxy.h"
#include "dcpomatic_socket.h"
#include "image.h"
#include "encoded_data.h"
#include "raw_convert.h"
#include <dcp/mono_picture_frame.h>
#include <dcp/stereo_picture_frame.h>
#include <dcp/colour_conversion.h>
#include <dcp/rgb_xyz.h>
#include <libcxml/cxml.h>
#include "i18n.h"
using std::string;
using boost::shared_ptr;
using boost::optional;
/** Construct a J2KImageProxy from a JPEG2000 file */
J2KImageProxy::J2KImageProxy (boost::filesystem::path path, dcp::Size size)
: _mono (new dcp::MonoPictureFrame (path))
, _size (size)
{
}
J2KImageProxy::J2KImageProxy (shared_ptr<const dcp::MonoPictureFrame> frame, dcp::Size size)
: _mono (frame)
, _size (size)
{
}
J2KImageProxy::J2KImageProxy (shared_ptr<const dcp::StereoPictureFrame> frame, dcp::Size size, dcp::Eye eye)
: _stereo (frame)
, _size (size)
, _eye (eye)
{
}
J2KImageProxy::J2KImageProxy (shared_ptr<cxml::Node> xml, shared_ptr<Socket> socket)
{
_size = dcp::Size (xml->number_child<int> ("Width"), xml->number_child<int> ("Height"));
if (xml->optional_number_child<int> ("Eye")) {
_eye = static_cast<dcp::Eye> (xml->number_child<int> ("Eye"));
int const left_size = xml->number_child<int> ("LeftSize");
int const right_size = xml->number_child<int> ("RightSize");
shared_ptr<dcp::StereoPictureFrame> f (new dcp::StereoPictureFrame ());
socket->read (f->left_j2k_data(), left_size);
socket->read (f->right_j2k_data(), right_size);
_stereo = f;
} else {
int const size = xml->number_child<int> ("Size");
shared_ptr<dcp::MonoPictureFrame> f (new dcp::MonoPictureFrame ());
socket->read (f->j2k_data (), size);
_mono = f;
}
}
shared_ptr<Image>
J2KImageProxy::image (optional<dcp::NoteHandler> note) const
{
shared_ptr<Image> image (new Image (PIX_FMT_RGB48LE, _size, true));
if (_mono) {
dcp::xyz_to_rgb (_mono->xyz_image (), dcp::ColourConversion::srgb_to_xyz(), image->data()[0], image->stride()[0], note);
} else {
dcp::xyz_to_rgb (_stereo->xyz_image (_eye.get ()), dcp::ColourConversion::srgb_to_xyz(), image->data()[0], image->stride()[0], note);
}
return image;
}
void
J2KImageProxy::add_metadata (xmlpp::Node* node) const
{
node->add_child("Type")->add_child_text (N_("J2K"));
node->add_child("Width")->add_child_text (raw_convert<string> (_size.width));
node->add_child("Height")->add_child_text (raw_convert<string> (_size.height));
if (_stereo) {
node->add_child("Eye")->add_child_text (raw_convert<string> (_eye.get ()));
node->add_child("LeftSize")->add_child_text (raw_convert<string> (_stereo->left_j2k_size ()));
node->add_child("RightSize")->add_child_text (raw_convert<string> (_stereo->right_j2k_size ()));
} else {
node->add_child("Size")->add_child_text (raw_convert<string> (_mono->j2k_size ()));
}
}
void
J2KImageProxy::send_binary (shared_ptr<Socket> socket) const
{
if (_mono) {
socket->write (_mono->j2k_data(), _mono->j2k_size ());
} else {
socket->write (_stereo->left_j2k_data(), _stereo->left_j2k_size ());
socket->write (_stereo->right_j2k_data(), _stereo->right_j2k_size ());
}
}
shared_ptr<EncodedData>
J2KImageProxy::j2k () const
{
if (_mono) {
return shared_ptr<EncodedData> (new EncodedData (_mono->j2k_data(), _mono->j2k_size()));
} else {
if (_eye.get() == dcp::EYE_LEFT) {
return shared_ptr<EncodedData> (new EncodedData (_stereo->left_j2k_data(), _stereo->left_j2k_size()));
} else {
return shared_ptr<EncodedData> (new EncodedData (_stereo->right_j2k_data(), _stereo->right_j2k_size()));
}
}
}
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