Coverage Report

Created: 2022-08-24 06:15

/src/aom/aom_dsp/sse.c
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Source (jump to first uncovered line)
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/*
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 * Copyright (c) 2018, Alliance for Open Media. All rights reserved
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 *
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 * This source code is subject to the terms of the BSD 2 Clause License and
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 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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 * was not distributed with this source code in the LICENSE file, you can
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 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
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 * Media Patent License 1.0 was not distributed with this source code in the
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 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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 */
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/* Sum the difference between every corresponding element of the buffers. */
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#include "config/aom_config.h"
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#include "config/aom_dsp_rtcd.h"
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#include "aom/aom_integer.h"
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int64_t aom_sse_c(const uint8_t *a, int a_stride, const uint8_t *b,
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                  int b_stride, int width, int height) {
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  int y, x;
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  int64_t sse = 0;
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  for (y = 0; y < height; y++) {
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    for (x = 0; x < width; x++) {
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      const int32_t diff = abs(a[x] - b[x]);
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      sse += diff * diff;
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    }
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    a += a_stride;
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    b += b_stride;
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  }
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  return sse;
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}
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#if CONFIG_AV1_HIGHBITDEPTH
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int64_t aom_highbd_sse_c(const uint8_t *a8, int a_stride, const uint8_t *b8,
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                         int b_stride, int width, int height) {
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  int y, x;
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  int64_t sse = 0;
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  uint16_t *a = CONVERT_TO_SHORTPTR(a8);
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  uint16_t *b = CONVERT_TO_SHORTPTR(b8);
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  for (y = 0; y < height; y++) {
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    for (x = 0; x < width; x++) {
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      const int32_t diff = (int32_t)(a[x]) - (int32_t)(b[x]);
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      sse += diff * diff;
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    }
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    a += a_stride;
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    b += b_stride;
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  }
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  return sse;
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}
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#endif