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/*
Copyright (C) 2013 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 <tiffio.h>
#include "kdm.h"
#include "picture_frame.h"
#include "argb_frame.h"
using boost::dynamic_pointer_cast;
BOOST_AUTO_TEST_CASE (decryption_test)
{
boost::filesystem::path plaintext_path = test_corpus;
plaintext_path /= "TONEPLATES-SMPTE-PLAINTEXT_TST_F_XX-XX_ITL-TD_51-XX_2K_WOE_20111001_WOE_OV";
libdcp::DCP plaintext (plaintext_path.string ());
plaintext.read ();
BOOST_CHECK_EQUAL (plaintext.encrypted (), false);
boost::filesystem::path encrypted_path = test_corpus;
encrypted_path /= "TONEPLATES-SMPTE-ENCRYPTED_TST_F_XX-XX_ITL-TD_51-XX_2K_WOE_20111001_WOE_OV";
libdcp::DCP encrypted (encrypted_path.string ());
encrypted.read ();
BOOST_CHECK_EQUAL (encrypted.encrypted (), true);
libdcp::KDM kdm (
"test/data/kdm_TONEPLATES-SMPTE-ENC_.smpte-430-2.ROOT.NOT_FOR_PRODUCTION_20130706_20230702_CAR_OV_t1_8971c838.xml",
"test/data/private.key"
);
encrypted.add_kdm (kdm);
shared_ptr<const libdcp::Reel> encrypted_reel = encrypted.cpls().front()->reels().front ();
shared_ptr<const libdcp::PictureAsset> encrypted_picture = encrypted_reel->main_picture ();
BOOST_CHECK (encrypted_picture);
shared_ptr<const libdcp::MonoPictureAsset> encrypted_mono_picture = dynamic_pointer_cast<const libdcp::MonoPictureAsset> (encrypted_picture);
shared_ptr<const libdcp::MonoPictureFrame> j2k_frame = encrypted_mono_picture->get_frame (0);
shared_ptr<const libdcp::ARGBFrame> argb_frame = j2k_frame->argb_frame ();
uint8_t* tiff_frame = new uint8_t[1998 * 3 * 1080];
uint8_t* t = tiff_frame;
uint8_t* r = argb_frame->data ();
for (int y = 0; y < 1080; ++y) {
for (int x = 0; x < 1998; ++x) {
/* Our data is first-byte blue, second-byte green, third-byte red, fourth-byte alpha,
so we need to twiddle here.
*/
t[0] = r[2]; // red
t[1] = r[1]; // green
t[2] = r[0]; // blue
t += 3;
r += 4;
}
}
TIFF* output = TIFFOpen ("foo.tiff", "w");
BOOST_CHECK (output);
TIFFSetField (output, TIFFTAG_IMAGEWIDTH, 1998);
TIFFSetField (output, TIFFTAG_IMAGELENGTH, 1080);
TIFFSetField (output, TIFFTAG_COMPRESSION, COMPRESSION_NONE);
TIFFSetField (output, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
TIFFSetField (output, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
TIFFSetField (output, TIFFTAG_BITSPERSAMPLE, 8);
TIFFSetField (output, TIFFTAG_SAMPLESPERPIXEL, 3);
BOOST_CHECK (TIFFWriteEncodedStrip (output, 0, tiff_frame, 1998 * 1080 * 3));
TIFFClose (output);
delete[] tiff_frame;
}
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