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/*
Copyright (C) 2012-2015 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.
*/
/* If you are using an installed libdcp, these #includes would need to be changed to
#include <dcp/dcp.h>
#include <dcp/picture_asset.h>
... etc. ...
*/
#include "dcp.h"
#include "cpl.h"
#include "reel.h"
#include "reel_picture_asset.h"
#include "mono_picture_frame.h"
#include "mono_picture_asset.h"
#include "stereo_picture_asset.h"
#include "sound_asset.h"
#include "subtitle_asset.h"
#include "openjpeg_image.h"
#include "colour_conversion.h"
#include "rgb_xyz.h"
#include <Magick++.h>
#include <boost/scoped_array.hpp>
/** @file examples/read_dcp.cc
* @brief Shows how to read a DCP.
*/
int
main ()
{
/* Create a DCP, specifying where our existing data is */
dcp::DCP dcp ("/home/carl/diagonal.com/APPASSIONATA_TLR_F_UK-DEFR_CH_51_2K_LOK_20121115_DGL_OV");
/* Read the DCP to find out about it */
dcp.read ();
if (dcp.encrypted ()) {
std::cout << "DCP is encrypted.\n";
} else {
std::cout << "DCP is not encrypted.\n";
}
std::cout << "DCP has " << dcp.cpls().size() << " CPLs.\n";
std::list<boost::shared_ptr<dcp::Asset> > assets = dcp.assets ();
std::cout << "DCP has " << assets.size() << " assets.\n";
for (std::list<boost::shared_ptr<dcp::Asset> >::const_iterator i = assets.begin(); i != assets.end(); ++i) {
if (boost::dynamic_pointer_cast<dcp::MonoPictureAsset> (*i)) {
std::cout << "2D picture\n";
} else if (boost::dynamic_pointer_cast<dcp::StereoPictureAsset> (*i)) {
std::cout << "3D picture\n";
} else if (boost::dynamic_pointer_cast<dcp::SoundAsset> (*i)) {
std::cout << "Sound\n";
} else if (boost::dynamic_pointer_cast<dcp::SubtitleAsset> (*i)) {
std::cout << "Subtitle\n";
} else if (boost::dynamic_pointer_cast<dcp::CPL> (*i)) {
std::cout << "CPL\n";
}
std::cout << "\t" << (*i)->file().leaf().string() << "\n";
}
/* Take the first CPL */
boost::shared_ptr<dcp::CPL> cpl = dcp.cpls().front ();
/* Get the picture asset in the first reel */
boost::shared_ptr<dcp::MonoPictureAsset> picture_asset = boost::dynamic_pointer_cast<dcp::MonoPictureAsset> (
cpl->reels().front()->main_picture()->asset()
);
/* Get the 1000th frame of it */
boost::shared_ptr<const dcp::MonoPictureFrame> picture_frame_j2k = picture_asset->get_frame(999);
/* Get the frame as an XYZ image */
boost::shared_ptr<const dcp::OpenJPEGImage> picture_image_xyz = picture_frame_j2k->xyz_image ();
/* Convert to ARGB */
boost::scoped_array<uint8_t> rgba (new uint8_t[picture_image_xyz->size().width * picture_image_xyz->size().height * 4]);
dcp::xyz_to_rgba (picture_image_xyz, dcp::ColourConversion::srgb_to_xyz(), rgba.get ());
Magick::Image image (picture_image_xyz->size().width, picture_image_xyz->size().height, "BGRA", Magick::CharPixel, rgba.get ());
image.write ("frame.png");
return 0;
}
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