/* * 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.
*/
// metrics used for calculating ssim, ssim2, dssim, and ssimc typedefstruct { // source sum ( over 8x8 region )
uint32_t sum_s;
// reference sum (over 8x8 region )
uint32_t sum_r;
// source sum squared ( over 8x8 region )
uint32_t sum_sq_s;
// reference sum squared (over 8x8 region )
uint32_t sum_sq_r;
// sum of source times reference (over 8x8 region)
uint32_t sum_sxr;
// calculated ssim score between source and reference double ssim;
} Ssimv;
// metrics collected on a frame basis typedefstruct { // ssim consistency error metric ( see code for explanation ) double ssimc;
// standard ssim double ssim;
// revised ssim ( see code for explanation) double ssim2;
// ssim restated as an error metric like sse double dssim;
// dssim converted to decibels double dssimd;
// ssimc converted to decibels double ssimcd;
} Metrics;
double aom_get_ssim_metrics(uint8_t *img1, int img1_pitch, uint8_t *img2, int img2_pitch, int width, int height, Ssimv *sv2,
Metrics *m, int do_inconsistency);
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