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author | wolfbeast <mcwerewolf@gmail.com> | 2018-11-07 12:47:12 +0100 |
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committer | wolfbeast <mcwerewolf@gmail.com> | 2018-11-07 12:47:12 +0100 |
commit | 8240fb9c736f91044cabbdde8c537b179fc4921e (patch) | |
tree | 49a4cc8dc683cf955d61b6618ad471860554ccb5 /third_party/aom/aom_dsp/sse.c | |
parent | f9e04b54c2ccbc1f8e24b511003de09b4565193c (diff) | |
parent | 5c83a18cde404b5c0c9fba1d35f003d951ea32e2 (diff) | |
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Merge branch 'master' into Pale_Moon-release
# Conflicts:
# application/palemoon/config/version.txt
Diffstat (limited to 'third_party/aom/aom_dsp/sse.c')
-rw-r--r-- | third_party/aom/aom_dsp/sse.c | 52 |
1 files changed, 52 insertions, 0 deletions
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; +} |