Basic HAlign / HPosition support.
[libdcp.git] / test / decryption_test.cc
index 507d2efdc350a1728eacafa7a081e5d4d16f2ec4..0080fe3e7547f11912be088712d5e5fdeec3824c 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+    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
 
 */
 
-#include <tiffio.h>
-#include "kdm.h"
-#include "picture_frame.h"
-#include "argb_frame.h"
-
+#include "dcp.h"
+#include "mono_picture_frame.h"
+#include "cpl.h"
+#include "decrypted_kdm.h"
+#include "encrypted_kdm.h"
+#include "mono_picture_mxf.h"
+#include "reel_picture_asset.h"
+#include "reel.h"
+#include "test.h"
+#include "xyz_image.h"
+#include "rgb_xyz.h"
+#include "colour_conversion.h"
+#include <boost/test/unit_test.hpp>
+#include <boost/scoped_array.hpp>
+
+using std::pair;
+using std::make_pair;
 using boost::dynamic_pointer_cast;
+using boost::shared_ptr;
+using boost::scoped_array;
+
+pair<uint8_t*, dcp::Size>
+get_frame (dcp::DCP const & dcp)
+{
+       shared_ptr<const dcp::Reel> reel = dcp.cpls().front()->reels().front ();
+       shared_ptr<dcp::PictureMXF> picture = reel->main_picture()->mxf ();
+       BOOST_CHECK (picture);
+
+       shared_ptr<const dcp::MonoPictureMXF> mono_picture = dynamic_pointer_cast<const dcp::MonoPictureMXF> (picture);
+       shared_ptr<const dcp::MonoPictureFrame> j2k_frame = mono_picture->get_frame (0);
+       shared_ptr<dcp::XYZImage> xyz = j2k_frame->xyz_image();
+
+       uint8_t* argb = new uint8_t[xyz->size().width * xyz->size().height * 4];
+       dcp::xyz_to_rgba (j2k_frame->xyz_image(), dcp::ColourConversion::srgb_to_xyz(), argb);
+       return make_pair (argb, xyz->size ());
+}
 
+/** Decrypt an encrypted test DCP and check that its first frame is the same as the unencrypted version */
 BOOST_AUTO_TEST_CASE (decryption_test)
 {
-       boost::filesystem::path plaintext_path = test_corpus;
+       boost::filesystem::path plaintext_path = private_test;
        plaintext_path /= "TONEPLATES-SMPTE-PLAINTEXT_TST_F_XX-XX_ITL-TD_51-XX_2K_WOE_20111001_WOE_OV";
-       libdcp::DCP plaintext (plaintext_path.string ());
+       dcp::DCP plaintext (plaintext_path.string ());
        plaintext.read ();
        BOOST_CHECK_EQUAL (plaintext.encrypted (), false);
 
-       boost::filesystem::path encrypted_path = test_corpus;
+       boost::filesystem::path encrypted_path = private_test;
        encrypted_path /= "TONEPLATES-SMPTE-ENCRYPTED_TST_F_XX-XX_ITL-TD_51-XX_2K_WOE_20111001_WOE_OV";
-       libdcp::DCP encrypted (encrypted_path.string ());
+       dcp::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"
+       dcp::DecryptedKDM kdm (
+               dcp::EncryptedKDM (
+                       dcp::file_to_string ("test/data/kdm_TONEPLATES-SMPTE-ENC_.smpte-430-2.ROOT.NOT_FOR_PRODUCTION_20130706_20230702_CAR_OV_t1_8971c838.xml")
+                       ),
+               dcp::file_to_string ("test/data/private.key")
                );
+       
+       encrypted.add (kdm);
 
-       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 ();
-
+       pair<uint8_t *, dcp::Size> plaintext_frame = get_frame (plaintext);
+       pair<uint8_t *, dcp::Size> encrypted_frame = get_frame (encrypted);
 
+       /* Check that plaintext and encrypted are the same */
 
-       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);
+       BOOST_CHECK_EQUAL (plaintext_frame.second, encrypted_frame.second);
        
-       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);
+       BOOST_CHECK_EQUAL (
+               memcmp (
+                       plaintext_frame.first,
+                       encrypted_frame.first,
+                       plaintext_frame.second.width * plaintext_frame.second.height * 4
+                       ),
+               0
+               );
 
-       delete[] tiff_frame;
+       delete[] plaintext_frame.first;
+       delete[] encrypted_frame.first;
+}
+
+/** Load in a KDM that didn't work at first */
+BOOST_AUTO_TEST_CASE (failing_kdm_test)
+{
+       dcp::DecryptedKDM kdm (
+               dcp::EncryptedKDM (dcp::file_to_string ("test/data/target.pem.crt.de5d4eba-e683-41ca-bdda-aa4ad96af3f4.kdm.xml")),
+               dcp::file_to_string ("test/data/private.key")
+               );
 }