зеркало из https://github.com/mozilla/gecko-dev.git
134 строки
4.2 KiB
C++
134 строки
4.2 KiB
C++
/*
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* Copyright (c) 2018, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#include <cstdlib>
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#include <new>
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#include "config/aom_config.h"
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#include "config/av1_rtcd.h"
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#include "aom_ports/aom_timer.h"
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#include "av1/encoder/hash.h"
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#include "test/acm_random.h"
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#include "test/util.h"
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#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
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namespace {
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typedef uint32_t (*get_crc32c_value_func)(void *calculator, uint8_t *p,
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int length);
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typedef ::testing::tuple<get_crc32c_value_func, int> HashParam;
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class AV1Crc32cHashTest : public ::testing::TestWithParam<HashParam> {
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public:
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~AV1Crc32cHashTest();
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void SetUp();
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void TearDown();
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protected:
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void RunCheckOutput(get_crc32c_value_func test_impl);
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void RunSpeedTest(get_crc32c_value_func test_impl);
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void RunZeroTest(get_crc32c_value_func test_impl);
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libaom_test::ACMRandom rnd_;
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CRC32C calc_;
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uint8_t *buffer_;
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int bsize_;
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int length_;
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};
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AV1Crc32cHashTest::~AV1Crc32cHashTest() { ; }
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void AV1Crc32cHashTest::SetUp() {
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rnd_.Reset(libaom_test::ACMRandom::DeterministicSeed());
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av1_crc32c_calculator_init(&calc_);
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bsize_ = GET_PARAM(1);
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length_ = bsize_ * bsize_ * sizeof(uint16_t);
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buffer_ = new uint8_t[length_];
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ASSERT_TRUE(buffer_ != NULL);
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for (int i = 0; i < length_; ++i) {
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buffer_[i] = rnd_.Rand8();
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}
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}
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void AV1Crc32cHashTest::TearDown() { delete[] buffer_; }
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void AV1Crc32cHashTest::RunCheckOutput(get_crc32c_value_func test_impl) {
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get_crc32c_value_func ref_impl = av1_get_crc32c_value_c;
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// for the same buffer crc should be the same
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uint32_t crc0 = test_impl(&calc_, buffer_, length_);
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uint32_t crc1 = test_impl(&calc_, buffer_, length_);
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uint32_t crc2 = ref_impl(&calc_, buffer_, length_);
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ASSERT_EQ(crc0, crc1);
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ASSERT_EQ(crc0, crc2); // should equal to software version
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// modify buffer
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buffer_[0] += 1;
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uint32_t crc3 = test_impl(&calc_, buffer_, length_);
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uint32_t crc4 = ref_impl(&calc_, buffer_, length_);
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ASSERT_NE(crc0, crc3); // crc shoud not equal to previous one
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ASSERT_EQ(crc3, crc4);
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}
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void AV1Crc32cHashTest::RunSpeedTest(get_crc32c_value_func test_impl) {
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get_crc32c_value_func impls[] = { av1_get_crc32c_value_c, test_impl };
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const int repeat = 10000000 / (bsize_ + bsize_);
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aom_usec_timer timer;
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double time[2];
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for (int i = 0; i < 2; ++i) {
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aom_usec_timer_start(&timer);
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for (int j = 0; j < repeat; ++j) {
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impls[i](&calc_, buffer_, length_);
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}
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aom_usec_timer_mark(&timer);
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time[i] = static_cast<double>(aom_usec_timer_elapsed(&timer));
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}
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printf("hash %3dx%-3d:%7.2f/%7.2fus", bsize_, bsize_, time[0], time[1]);
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printf("(%3.2f)\n", time[0] / time[1]);
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}
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void AV1Crc32cHashTest::RunZeroTest(get_crc32c_value_func test_impl) {
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uint8_t buffer0[1024] = { 0 };
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// for buffer with different size the crc should not be the same
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const uint32_t crc0 = test_impl(&calc_, buffer0, 32);
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const uint32_t crc1 = test_impl(&calc_, buffer0, 128);
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const uint32_t crc2 = test_impl(&calc_, buffer0, 1024);
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ASSERT_NE(crc0, crc1);
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ASSERT_NE(crc0, crc2);
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ASSERT_NE(crc1, crc2);
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}
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TEST_P(AV1Crc32cHashTest, CheckOutput) { RunCheckOutput(GET_PARAM(0)); }
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TEST_P(AV1Crc32cHashTest, CheckZero) { RunZeroTest(GET_PARAM(0)); }
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TEST_P(AV1Crc32cHashTest, DISABLED_Speed) { RunSpeedTest(GET_PARAM(0)); }
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const int kValidBlockSize[] = { 64, 32, 8, 4 };
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INSTANTIATE_TEST_CASE_P(
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C, AV1Crc32cHashTest,
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::testing::Combine(::testing::Values(&av1_get_crc32c_value_c),
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::testing::ValuesIn(kValidBlockSize)));
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#if HAVE_SSE4_2
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INSTANTIATE_TEST_CASE_P(
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SSE4_2, AV1Crc32cHashTest,
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::testing::Combine(::testing::Values(&av1_get_crc32c_value_sse4_2),
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::testing::ValuesIn(kValidBlockSize)));
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#endif
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} // namespace
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