/* * 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. */ #include <cstdlib> #include <new> #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, int length); typedef ::testing::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_; int 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 (int 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_CASE_P( C, AV1Crc32cHashTest, ::testing::Combine(::testing::Values(&av1_get_crc32c_value_c), ::testing::ValuesIn(kValidBlockSize))); #if HAVE_SSE4_2 INSTANTIATE_TEST_CASE_P( SSE4_2, AV1Crc32cHashTest, ::testing::Combine(::testing::Values(&av1_get_crc32c_value_sse4_2), ::testing::ValuesIn(kValidBlockSize))); #endif } // namespace