/* * Copyright (c) 2016, Alliance for Open Media. All rights reserved * * This source code is subject to the terms of the BSD 2 Clause License and * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License * was not distributed with this source code in the LICENSE file, you can * obtain it at www.aomedia.org/license/software. If the Alliance for Open * Media Patent License 1.0 was not distributed with this source code in the * PATENTS file, you can obtain it at www.aomedia.org/license/patent. */ #ifndef TEST_UTIL_H_ #define TEST_UTIL_H_ #include <stdio.h> #include <math.h> #include "third_party/googletest/src/googletest/include/gtest/gtest.h" #include "aom/aom_integer.h" #include "aom/aom_image.h" // Macros #define GET_PARAM(k) std::tr1::get<k>(GetParam()) inline double compute_psnr(const aom_image_t *img1, const aom_image_t *img2) { assert((img1->fmt == img2->fmt) && (img1->d_w == img2->d_w) && (img1->d_h == img2->d_h)); const unsigned int width_y = img1->d_w; const unsigned int height_y = img1->d_h; unsigned int i, j; int64_t sqrerr = 0; for (i = 0; i < height_y; ++i) for (j = 0; j < width_y; ++j) { int64_t d = img1->planes[AOM_PLANE_Y][i * img1->stride[AOM_PLANE_Y] + j] - img2->planes[AOM_PLANE_Y][i * img2->stride[AOM_PLANE_Y] + j]; sqrerr += d * d; } double mse = static_cast<double>(sqrerr) / (width_y * height_y); double psnr = 100.0; if (mse > 0.0) { psnr = 10 * log10(255.0 * 255.0 / mse); } return psnr; } #endif // TEST_UTIL_H_