| /* |
| * Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 3-Clause Clear License |
| * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear |
| * License was not distributed with this source code in the LICENSE file, you |
| * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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 |
| * aomedia.org/license/patent-license/. |
| */ |
| |
| #include <cstdlib> |
| #include <new> |
| #include <tuple> |
| |
| #include "config/aom_config.h" |
| #include "config/av1_rtcd.h" |
| |
| #include "aom_ports/aom_timer.h" |
| #include "av1/encoder/hash.h" |
| #include "test/acm_random.h" |
| #include "test/util.h" |
| #include "third_party/googletest/src/googletest/include/gtest/gtest.h" |
| |
| namespace { |
| |
| typedef uint32_t (*get_crc32c_value_func)(void *calculator, uint8_t *p, |
| size_t length); |
| |
| typedef std::tuple<get_crc32c_value_func, int> HashParam; |
| |
| class AV1Crc32cHashTest : public ::testing::TestWithParam<HashParam> { |
| public: |
| ~AV1Crc32cHashTest(); |
| void SetUp(); |
| |
| void TearDown(); |
| |
| protected: |
| void RunCheckOutput(get_crc32c_value_func test_impl); |
| void RunSpeedTest(get_crc32c_value_func test_impl); |
| |
| void RunZeroTest(get_crc32c_value_func test_impl); |
| |
| libaom_test::ACMRandom rnd_; |
| CRC32C calc_; |
| uint8_t *buffer_; |
| int bsize_; |
| size_t length_; |
| }; |
| |
| AV1Crc32cHashTest::~AV1Crc32cHashTest() { ; } |
| |
| void AV1Crc32cHashTest::SetUp() { |
| rnd_.Reset(libaom_test::ACMRandom::DeterministicSeed()); |
| av1_crc32c_calculator_init(&calc_); |
| |
| bsize_ = GET_PARAM(1); |
| length_ = bsize_ * bsize_ * sizeof(uint16_t); |
| buffer_ = new uint8_t[length_]; |
| ASSERT_TRUE(buffer_ != NULL); |
| for (size_t i = 0; i < length_; ++i) { |
| buffer_[i] = rnd_.Rand8(); |
| } |
| } |
| |
| void AV1Crc32cHashTest::TearDown() { delete[] buffer_; } |
| |
| void AV1Crc32cHashTest::RunCheckOutput(get_crc32c_value_func test_impl) { |
| get_crc32c_value_func ref_impl = av1_get_crc32c_value_c; |
| // for the same buffer crc should be the same |
| uint32_t crc0 = test_impl(&calc_, buffer_, length_); |
| uint32_t crc1 = test_impl(&calc_, buffer_, length_); |
| uint32_t crc2 = ref_impl(&calc_, buffer_, length_); |
| ASSERT_EQ(crc0, crc1); |
| ASSERT_EQ(crc0, crc2); // should equal to software version |
| // modify buffer |
| buffer_[0] += 1; |
| uint32_t crc3 = test_impl(&calc_, buffer_, length_); |
| uint32_t crc4 = ref_impl(&calc_, buffer_, length_); |
| ASSERT_NE(crc0, crc3); // crc shoud not equal to previous one |
| ASSERT_EQ(crc3, crc4); |
| } |
| |
| void AV1Crc32cHashTest::RunSpeedTest(get_crc32c_value_func test_impl) { |
| get_crc32c_value_func impls[] = { av1_get_crc32c_value_c, test_impl }; |
| const int repeat = 10000000 / (bsize_ + bsize_); |
| |
| aom_usec_timer timer; |
| double time[2]; |
| for (int i = 0; i < 2; ++i) { |
| aom_usec_timer_start(&timer); |
| for (int j = 0; j < repeat; ++j) { |
| impls[i](&calc_, buffer_, length_); |
| } |
| aom_usec_timer_mark(&timer); |
| time[i] = static_cast<double>(aom_usec_timer_elapsed(&timer)); |
| } |
| printf("hash %3dx%-3d:%7.2f/%7.2fus", bsize_, bsize_, time[0], time[1]); |
| printf("(%3.2f)\n", time[0] / time[1]); |
| } |
| |
| void AV1Crc32cHashTest::RunZeroTest(get_crc32c_value_func test_impl) { |
| uint8_t buffer0[1024] = { 0 }; |
| // for buffer with different size the crc should not be the same |
| const uint32_t crc0 = test_impl(&calc_, buffer0, 32); |
| const uint32_t crc1 = test_impl(&calc_, buffer0, 128); |
| const uint32_t crc2 = test_impl(&calc_, buffer0, 1024); |
| ASSERT_NE(crc0, crc1); |
| ASSERT_NE(crc0, crc2); |
| ASSERT_NE(crc1, crc2); |
| } |
| |
| TEST_P(AV1Crc32cHashTest, CheckOutput) { RunCheckOutput(GET_PARAM(0)); } |
| |
| TEST_P(AV1Crc32cHashTest, CheckZero) { RunZeroTest(GET_PARAM(0)); } |
| |
| TEST_P(AV1Crc32cHashTest, DISABLED_Speed) { RunSpeedTest(GET_PARAM(0)); } |
| |
| const int kValidBlockSize[] = { 64, 32, 8, 4 }; |
| |
| INSTANTIATE_TEST_SUITE_P( |
| C, AV1Crc32cHashTest, |
| ::testing::Combine(::testing::Values(&av1_get_crc32c_value_c), |
| ::testing::ValuesIn(kValidBlockSize))); |
| |
| #if HAVE_SSE4_2 |
| INSTANTIATE_TEST_SUITE_P( |
| SSE4_2, AV1Crc32cHashTest, |
| ::testing::Combine(::testing::Values(&av1_get_crc32c_value_sse4_2), |
| ::testing::ValuesIn(kValidBlockSize))); |
| #endif |
| |
| } // namespace |