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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /third_party/aom/aom_dsp/sum_squares.c
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/aom/aom_dsp/sum_squares.c')
-rw-r--r--third_party/aom/aom_dsp/sum_squares.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/sum_squares.c b/third_party/aom/aom_dsp/sum_squares.c
new file mode 100644
index 0000000000..f58defaa11
--- /dev/null
+++ b/third_party/aom/aom_dsp/sum_squares.c
@@ -0,0 +1,90 @@
+/*
+ * 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.
+ */
+
+#include <assert.h>
+
+#include "config/aom_dsp_rtcd.h"
+
+uint64_t aom_sum_squares_2d_i16_c(const int16_t *src, int src_stride, int width,
+ int height) {
+ int r, c;
+ uint64_t ss = 0;
+
+ for (r = 0; r < height; r++) {
+ for (c = 0; c < width; c++) {
+ const int16_t v = src[c];
+ ss += v * v;
+ }
+ src += src_stride;
+ }
+
+ return ss;
+}
+
+uint64_t aom_sum_squares_i16_c(const int16_t *src, uint32_t n) {
+ uint64_t ss = 0;
+ do {
+ const int16_t v = *src++;
+ ss += v * v;
+ } while (--n);
+
+ return ss;
+}
+
+uint64_t aom_var_2d_u8_c(uint8_t *src, int src_stride, int width, int height) {
+ int r, c;
+ uint64_t ss = 0, s = 0;
+
+ for (r = 0; r < height; r++) {
+ for (c = 0; c < width; c++) {
+ const uint8_t v = src[c];
+ ss += v * v;
+ s += v;
+ }
+ src += src_stride;
+ }
+
+ return (ss - s * s / (width * height));
+}
+
+uint64_t aom_var_2d_u16_c(uint8_t *src, int src_stride, int width, int height) {
+ uint16_t *srcp = CONVERT_TO_SHORTPTR(src);
+ int r, c;
+ uint64_t ss = 0, s = 0;
+
+ for (r = 0; r < height; r++) {
+ for (c = 0; c < width; c++) {
+ const uint16_t v = srcp[c];
+ ss += v * v;
+ s += v;
+ }
+ srcp += src_stride;
+ }
+
+ return (ss - s * s / (width * height));
+}
+
+uint64_t aom_sum_sse_2d_i16_c(const int16_t *src, int src_stride, int width,
+ int height, int *sum) {
+ int r, c;
+ int16_t *srcp = (int16_t *)src;
+ int64_t ss = 0;
+
+ for (r = 0; r < height; r++) {
+ for (c = 0; c < width; c++) {
+ const int16_t v = srcp[c];
+ ss += v * v;
+ *sum += v;
+ }
+ srcp += src_stride;
+ }
+ return ss;
+}