/*
Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of libdcp.
+
+ libdcp 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,
+ libdcp 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.
-
+ along with libdcp. If not, see <http://www.gnu.org/licenses/>.
+
+ In addition, as a special exception, the copyright holders give
+ permission to link the code of portions of this program with the
+ OpenSSL library under certain conditions as described in each
+ individual source file, and distribute linked combinations
+ including the two.
+
+ You must obey the GNU General Public License in all respects
+ for all of the code used other than OpenSSL. If you modify
+ file(s) with this exception, you may extend this exception to your
+ version of the file(s), but you are not obligated to do so. If you
+ do not wish to do so, delete this exception statement from your
+ version. If you delete this exception statement from all source
+ files in the program, then also delete it here.
*/
#include "picture_asset.h"
#include "util.h"
#include "exceptions.h"
-#include "xyz_image.h"
+#include "openjpeg_image.h"
#include "picture_asset_writer.h"
#include "dcp_assert.h"
#include "compose.hpp"
#include "AS_DCP.h"
#include "KM_fileio.h"
+#include "j2k.h"
#include <libxml++/nodes/element.h>
-#include <openjpeg.h>
#include <boost/filesystem.hpp>
#include <list>
#include <stdexcept>
// a.CodingStyleDefault != b.CodingStyleDefault ||
// a.QuantizationDefault != b.QuantizationDefault
) {
-
+
note (DCP_ERROR, "video MXF picture descriptors differ");
return false;
}
if (a.ContainerDuration != b.ContainerDuration) {
note (DCP_ERROR, "video container durations differ");
}
-
+
// for (unsigned int j = 0; j < ASDCP::JP2K::MaxComponents; ++j) {
// if (a.ImageComponents[j] != b.ImageComponents[j]) {
// notes.pack_start ("video MXF picture descriptors differ");
/* Easy result; the J2K data is identical */
return true;
}
-
+
/* Decompress the images to bitmaps */
- shared_ptr<XYZImage> image_A = decompress_j2k (const_cast<uint8_t*> (data_A), size_A, 0);
- shared_ptr<XYZImage> image_B = decompress_j2k (const_cast<uint8_t*> (data_B), size_B, 0);
-
+ shared_ptr<OpenJPEGImage> image_A = decompress_j2k (const_cast<uint8_t*> (data_A), size_A, 0);
+ shared_ptr<OpenJPEGImage> image_B = decompress_j2k (const_cast<uint8_t*> (data_B), size_B, 0);
+
/* Compare them */
-
+
vector<int> abs_diffs (image_A->size().width * image_A->size().height * 3);
int d = 0;
int max_diff = 0;
-
+
for (int c = 0; c < 3; ++c) {
-
+
if (image_A->size() != image_B->size()) {
note (DCP_ERROR, String::compose ("image sizes for frame %1 differ", frame));
return false;
}
-
+
int const pixels = image_A->size().width * image_A->size().height;
for (int j = 0; j < pixels; ++j) {
int const t = abs (image_A->data(c)[j] - image_B->data(c)[j]);
max_diff = max (max_diff, t);
}
}
-
+
uint64_t total = 0;
for (vector<int>::iterator j = abs_diffs.begin(); j != abs_diffs.end(); ++j) {
total += *j;
}
-
+
double const mean = double (total) / abs_diffs.size ();
-
+
uint64_t total_squared_deviation = 0;
for (vector<int>::iterator j = abs_diffs.begin(); j != abs_diffs.end(); ++j) {
total_squared_deviation += pow (*j - mean, 2);
}
-
+
double const std_dev = sqrt (double (total_squared_deviation) / abs_diffs.size());
-
- note (DCP_NOTE, String::compose ("mean difference %1, deviation %2", mean, std_dev));
-
+
+ note (DCP_NOTE, String::compose ("mean difference %1 deviation %2", mean, std_dev));
+
if (mean > opt.max_mean_pixel_error) {
note (
DCP_ERROR,
String::compose ("mean %1 out of range %2 in frame %3", mean, opt.max_mean_pixel_error, frame)
);
-
+
return false;
}
DCP_ERROR,
String::compose ("standard deviation %1 out of range %2 in frame %3", std_dev, opt.max_std_dev_pixel_error, frame)
);
-
+
return false;
}
projects / libdcp.git / blobdiff