From d2499ead93dc4298c0882fe98902acb1b5209f99 Mon Sep 17 00:00:00 2001 From: trav90 Date: Fri, 19 Oct 2018 23:05:00 -0500 Subject: Update libaom to commit ID 1e227d41f0616de9548a673a83a21ef990b62591 --- third_party/aom/aom_dsp/sse.c | 52 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 third_party/aom/aom_dsp/sse.c (limited to 'third_party/aom/aom_dsp/sse.c') diff --git a/third_party/aom/aom_dsp/sse.c b/third_party/aom/aom_dsp/sse.c new file mode 100644 index 000000000..249394807 --- /dev/null +++ b/third_party/aom/aom_dsp/sse.c @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2018, 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. + */ + +/* Sum the difference between every corresponding element of the buffers. */ + +#include "config/aom_config.h" +#include "config/aom_dsp_rtcd.h" + +#include "aom/aom_integer.h" + +int64_t aom_sse_c(const uint8_t *a, int a_stride, const uint8_t *b, + int b_stride, int width, int height) { + int y, x; + int64_t sse = 0; + + for (y = 0; y < height; y++) { + for (x = 0; x < width; x++) { + const int32_t diff = abs(a[x] - b[x]); + sse += diff * diff; + } + + a += a_stride; + b += b_stride; + } + return sse; +} + +int64_t aom_highbd_sse_c(const uint8_t *a8, int a_stride, const uint8_t *b8, + int b_stride, int width, int height) { + int y, x; + int64_t sse = 0; + uint16_t *a = CONVERT_TO_SHORTPTR(a8); + uint16_t *b = CONVERT_TO_SHORTPTR(b8); + for (y = 0; y < height; y++) { + for (x = 0; x < width; x++) { + const int32_t diff = (int32_t)(a[x]) - (int32_t)(b[x]); + sse += diff * diff; + } + + a += a_stride; + b += b_stride; + } + return sse; +} -- cgit v1.2.3