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authortrav90 <travawine@palemoon.org>2018-10-15 21:45:30 -0500
committertrav90 <travawine@palemoon.org>2018-10-15 21:45:30 -0500
commit68569dee1416593955c1570d638b3d9250b33012 (patch)
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Import aom library
This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.
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diff --git a/third_party/aom/test/minmax_test.cc b/third_party/aom/test/minmax_test.cc
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+/*
+ * 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 <stdlib.h>
+#include <string.h>
+
+#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
+
+#include "./aom_dsp_rtcd.h"
+#include "aom/aom_integer.h"
+
+#include "test/acm_random.h"
+#include "test/register_state_check.h"
+
+namespace {
+
+using ::libaom_test::ACMRandom;
+
+typedef void (*MinMaxFunc)(const uint8_t *a, int a_stride, const uint8_t *b,
+ int b_stride, int *min, int *max);
+
+class MinMaxTest : public ::testing::TestWithParam<MinMaxFunc> {
+ public:
+ virtual void SetUp() {
+ mm_func_ = GetParam();
+ rnd_.Reset(ACMRandom::DeterministicSeed());
+ }
+
+ protected:
+ MinMaxFunc mm_func_;
+ ACMRandom rnd_;
+};
+
+void reference_minmax(const uint8_t *a, int a_stride, const uint8_t *b,
+ int b_stride, int *min_ret, int *max_ret) {
+ int min = 255;
+ int max = 0;
+ for (int i = 0; i < 8; i++) {
+ for (int j = 0; j < 8; j++) {
+ const int diff = abs(a[i * a_stride + j] - b[i * b_stride + j]);
+ if (min > diff) min = diff;
+ if (max < diff) max = diff;
+ }
+ }
+
+ *min_ret = min;
+ *max_ret = max;
+}
+
+TEST_P(MinMaxTest, MinValue) {
+ for (int i = 0; i < 64; i++) {
+ uint8_t a[64], b[64];
+ memset(a, 0, sizeof(a));
+ memset(b, 255, sizeof(b));
+ b[i] = i; // Set a minimum difference of i.
+
+ int min, max;
+ ASM_REGISTER_STATE_CHECK(mm_func_(a, 8, b, 8, &min, &max));
+ EXPECT_EQ(255, max);
+ EXPECT_EQ(i, min);
+ }
+}
+
+TEST_P(MinMaxTest, MaxValue) {
+ for (int i = 0; i < 64; i++) {
+ uint8_t a[64], b[64];
+ memset(a, 0, sizeof(a));
+ memset(b, 0, sizeof(b));
+ b[i] = i; // Set a maximum difference of i.
+
+ int min, max;
+ ASM_REGISTER_STATE_CHECK(mm_func_(a, 8, b, 8, &min, &max));
+ EXPECT_EQ(i, max);
+ EXPECT_EQ(0, min);
+ }
+}
+
+TEST_P(MinMaxTest, CompareReference) {
+ uint8_t a[64], b[64];
+ for (int j = 0; j < 64; j++) {
+ a[j] = rnd_.Rand8();
+ b[j] = rnd_.Rand8();
+ }
+
+ int min_ref, max_ref, min, max;
+ reference_minmax(a, 8, b, 8, &min_ref, &max_ref);
+ ASM_REGISTER_STATE_CHECK(mm_func_(a, 8, b, 8, &min, &max));
+ EXPECT_EQ(max_ref, max);
+ EXPECT_EQ(min_ref, min);
+}
+
+TEST_P(MinMaxTest, CompareReferenceAndVaryStride) {
+ uint8_t a[8 * 64], b[8 * 64];
+ for (int i = 0; i < 8 * 64; i++) {
+ a[i] = rnd_.Rand8();
+ b[i] = rnd_.Rand8();
+ }
+ for (int a_stride = 8; a_stride <= 64; a_stride += 8) {
+ for (int b_stride = 8; b_stride <= 64; b_stride += 8) {
+ int min_ref, max_ref, min, max;
+ reference_minmax(a, a_stride, b, b_stride, &min_ref, &max_ref);
+ ASM_REGISTER_STATE_CHECK(mm_func_(a, a_stride, b, b_stride, &min, &max));
+ EXPECT_EQ(max_ref, max) << "when a_stride = " << a_stride
+ << " and b_stride = " << b_stride;
+ EXPECT_EQ(min_ref, min) << "when a_stride = " << a_stride
+ << " and b_stride = " << b_stride;
+ }
+ }
+}
+
+INSTANTIATE_TEST_CASE_P(C, MinMaxTest, ::testing::Values(&aom_minmax_8x8_c));
+
+#if HAVE_SSE2
+INSTANTIATE_TEST_CASE_P(SSE2, MinMaxTest,
+ ::testing::Values(&aom_minmax_8x8_sse2));
+#endif
+
+#if HAVE_NEON
+INSTANTIATE_TEST_CASE_P(NEON, MinMaxTest,
+ ::testing::Values(&aom_minmax_8x8_neon));
+#endif
+
+} // namespace