| /* |
| * Copyright (c) 2023 The WebM project authors. All Rights Reserved. |
| * Copyright (c) 2023, 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 "config/aom_config.h" |
| #include "config/aom_dsp_rtcd.h" |
| #include "aom_ports/mem.h" |
| #include "test/acm_random.h" |
| #include "test/register_state_check.h" |
| #include "test/util.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; |
| API_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; |
| API_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); |
| API_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); |
| API_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; |
| } |
| } |
| } |
| |
| #if CONFIG_AV1_HIGHBITDEPTH |
| |
| using HBDMinMaxTest = MinMaxTest; |
| |
| void highbd_reference_minmax(const uint8_t *a, int a_stride, const uint8_t *b, |
| int b_stride, int *min_ret, int *max_ret) { |
| int min = 65535; |
| int max = 0; |
| const uint16_t *a_ptr = CONVERT_TO_SHORTPTR(a); |
| const uint16_t *b_ptr = CONVERT_TO_SHORTPTR(b); |
| for (int i = 0; i < 8; i++) { |
| for (int j = 0; j < 8; j++) { |
| const int diff = abs(a_ptr[i * a_stride + j] - b_ptr[i * b_stride + j]); |
| if (min > diff) min = diff; |
| if (max < diff) max = diff; |
| } |
| } |
| |
| *min_ret = min; |
| *max_ret = max; |
| } |
| |
| TEST_P(HBDMinMaxTest, MinValue) { |
| uint8_t *a = CONVERT_TO_BYTEPTR( |
| reinterpret_cast<uint16_t *>(aom_malloc(64 * sizeof(uint16_t)))); |
| uint8_t *b = CONVERT_TO_BYTEPTR( |
| reinterpret_cast<uint16_t *>(aom_malloc(64 * sizeof(uint16_t)))); |
| for (int i = 0; i < 64; i++) { |
| aom_memset16(CONVERT_TO_SHORTPTR(a), 0, 64); |
| aom_memset16(CONVERT_TO_SHORTPTR(b), 65535, 64); |
| CONVERT_TO_SHORTPTR(b)[i] = i; // Set a minimum difference of i. |
| |
| int min, max; |
| API_REGISTER_STATE_CHECK(mm_func_(a, 8, b, 8, &min, &max)); |
| EXPECT_EQ(65535, max); |
| EXPECT_EQ(i, min); |
| } |
| aom_free(CONVERT_TO_SHORTPTR(a)); |
| aom_free(CONVERT_TO_SHORTPTR(b)); |
| } |
| |
| TEST_P(HBDMinMaxTest, MaxValue) { |
| uint8_t *a = CONVERT_TO_BYTEPTR( |
| reinterpret_cast<uint16_t *>(aom_malloc(64 * sizeof(uint16_t)))); |
| uint8_t *b = CONVERT_TO_BYTEPTR( |
| reinterpret_cast<uint16_t *>(aom_malloc(64 * sizeof(uint16_t)))); |
| for (int i = 0; i < 64; i++) { |
| aom_memset16(CONVERT_TO_SHORTPTR(a), 0, 64); |
| aom_memset16(CONVERT_TO_SHORTPTR(b), 0, 64); |
| CONVERT_TO_SHORTPTR(b)[i] = i; // Set a minimum difference of i. |
| |
| int min, max; |
| API_REGISTER_STATE_CHECK(mm_func_(a, 8, b, 8, &min, &max)); |
| EXPECT_EQ(i, max); |
| EXPECT_EQ(0, min); |
| } |
| aom_free(CONVERT_TO_SHORTPTR(a)); |
| aom_free(CONVERT_TO_SHORTPTR(b)); |
| } |
| |
| TEST_P(HBDMinMaxTest, CompareReference) { |
| uint8_t *a = CONVERT_TO_BYTEPTR( |
| reinterpret_cast<uint16_t *>(aom_malloc(64 * sizeof(uint16_t)))); |
| uint8_t *b = CONVERT_TO_BYTEPTR( |
| reinterpret_cast<uint16_t *>(aom_malloc(64 * sizeof(uint16_t)))); |
| for (int j = 0; j < 64; j++) { |
| CONVERT_TO_SHORTPTR(a)[j] = rnd_.Rand16(); |
| CONVERT_TO_SHORTPTR(b)[j] = rnd_.Rand16(); |
| } |
| |
| int min_ref, max_ref, min, max; |
| highbd_reference_minmax(a, 8, b, 8, &min_ref, &max_ref); |
| API_REGISTER_STATE_CHECK(mm_func_(a, 8, b, 8, &min, &max)); |
| aom_free(CONVERT_TO_SHORTPTR(a)); |
| aom_free(CONVERT_TO_SHORTPTR(b)); |
| EXPECT_EQ(max_ref, max); |
| EXPECT_EQ(min_ref, min); |
| } |
| |
| TEST_P(HBDMinMaxTest, CompareReferenceAndVaryStride) { |
| uint8_t *a = CONVERT_TO_BYTEPTR( |
| reinterpret_cast<uint16_t *>(aom_malloc((8 * 64) * sizeof(uint16_t)))); |
| uint8_t *b = CONVERT_TO_BYTEPTR( |
| reinterpret_cast<uint16_t *>(aom_malloc((8 * 64) * sizeof(uint16_t)))); |
| for (int i = 0; i < 8 * 64; i++) { |
| CONVERT_TO_SHORTPTR(a)[i] = rnd_.Rand16(); |
| CONVERT_TO_SHORTPTR(b)[i] = rnd_.Rand16(); |
| } |
| 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; |
| highbd_reference_minmax(a, a_stride, b, b_stride, &min_ref, &max_ref); |
| API_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; |
| } |
| } |
| aom_free(CONVERT_TO_SHORTPTR(a)); |
| aom_free(CONVERT_TO_SHORTPTR(b)); |
| } |
| #endif // CONFIG_AV1_HIGHBITDEPTH |
| |
| INSTANTIATE_TEST_SUITE_P(C, MinMaxTest, ::testing::Values(&aom_minmax_8x8_c)); |
| #if CONFIG_AV1_HIGHBITDEPTH |
| INSTANTIATE_TEST_SUITE_P(C, HBDMinMaxTest, |
| ::testing::Values(&aom_highbd_minmax_8x8_c)); |
| #endif |
| |
| #if HAVE_SSE2 |
| INSTANTIATE_TEST_SUITE_P(SSE2, MinMaxTest, |
| ::testing::Values(&aom_minmax_8x8_sse2)); |
| #endif |
| |
| #if HAVE_NEON |
| INSTANTIATE_TEST_SUITE_P(NEON, MinMaxTest, |
| ::testing::Values(&aom_minmax_8x8_neon)); |
| #endif |
| } // namespace |