132 lines
4.4 KiB
C++
132 lines
4.4 KiB
C++
/*
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* Copyright (c) 2023, 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 "aom_dsp/flow_estimation/disflow.h"
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#include "gtest/gtest.h"
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#include "config/aom_dsp_rtcd.h"
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#include "test/acm_random.h"
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#include "test/register_state_check.h"
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#include "test/util.h"
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#include "test/yuv_video_source.h"
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namespace {
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using ComputeFlowAtPointFunc = void (*)(const uint8_t *src, const uint8_t *ref,
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int x, int y, int width, int height,
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int stride, double *u, double *v);
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class ComputeFlowTest
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: public ::testing::TestWithParam<ComputeFlowAtPointFunc> {
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public:
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ComputeFlowTest()
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: target_func_(GetParam()),
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rnd_(libaom_test::ACMRandom::DeterministicSeed()) {}
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protected:
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void RunCheckOutput(int run_times);
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ComputeFlowAtPointFunc target_func_;
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libaom_test::ACMRandom rnd_;
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};
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GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(ComputeFlowTest);
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void ComputeFlowTest::RunCheckOutput(int run_times) {
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constexpr int kWidth = 352;
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constexpr int kHeight = 288;
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::libaom_test::YUVVideoSource video("bus_352x288_420_f20_b8.yuv",
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AOM_IMG_FMT_I420, kWidth, kHeight, 30, 1,
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0, 2);
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// Use Y (Luminance) plane.
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video.Begin();
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uint8_t *src = video.img()->planes[0];
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ASSERT_NE(src, nullptr);
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video.Next();
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uint8_t *ref = video.img()->planes[0];
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ASSERT_NE(ref, nullptr);
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// Pick a random value between -5 and 5. The range was chosen arbitrarily as
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// u and v can take any kind of value in practise, but it shouldn't change the
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// outcome of the tests.
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const double u_rand = (static_cast<double>(rnd_.Rand8()) / 255) * 10 - 5;
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double u_ref = u_rand;
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double u_test = u_rand;
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const double v_rand = (static_cast<double>(rnd_.Rand8()) / 255) * 10 - 5;
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double v_ref = v_rand;
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double v_test = v_rand;
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// Pick a random point in the frame. If the frame is 352x288, that means we
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// can call the function on all values of x comprised between 8 and 344, and
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// all values of y comprised between 8 and 280.
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const int x = rnd_((kWidth - 8) - 8 + 1) + 8;
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const int y = rnd_((kHeight - 8) - 8 + 1) + 8;
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aom_usec_timer ref_timer, test_timer;
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aom_compute_flow_at_point_c(src, ref, x, y, kWidth, kHeight, kWidth, &u_ref,
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&v_ref);
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target_func_(src, ref, x, y, kWidth, kHeight, kWidth, &u_test, &v_test);
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if (run_times > 1) {
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aom_usec_timer_start(&ref_timer);
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for (int i = 0; i < run_times; ++i) {
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aom_compute_flow_at_point_c(src, ref, x, y, kWidth, kHeight, kWidth,
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&u_ref, &v_ref);
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}
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aom_usec_timer_mark(&ref_timer);
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const double elapsed_time_c =
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static_cast<double>(aom_usec_timer_elapsed(&ref_timer));
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aom_usec_timer_start(&test_timer);
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for (int i = 0; i < run_times; ++i) {
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target_func_(src, ref, x, y, kWidth, kHeight, kWidth, &u_test, &v_test);
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}
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aom_usec_timer_mark(&test_timer);
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const double elapsed_time_simd =
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static_cast<double>(aom_usec_timer_elapsed(&test_timer));
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printf("c_time=%fns \t simd_time=%fns \t speedup=%.2f\n", elapsed_time_c,
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elapsed_time_simd, (elapsed_time_c / elapsed_time_simd));
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} else {
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ASSERT_EQ(u_ref, u_test);
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ASSERT_EQ(v_ref, v_test);
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}
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}
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TEST_P(ComputeFlowTest, CheckOutput) { RunCheckOutput(1); }
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TEST_P(ComputeFlowTest, DISABLED_Speed) { RunCheckOutput(10000000); }
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#if HAVE_SSE4_1
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INSTANTIATE_TEST_SUITE_P(SSE4_1, ComputeFlowTest,
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::testing::Values(aom_compute_flow_at_point_sse4_1));
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#endif
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#if HAVE_AVX2
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INSTANTIATE_TEST_SUITE_P(AVX2, ComputeFlowTest,
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::testing::Values(aom_compute_flow_at_point_avx2));
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#endif
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#if HAVE_NEON
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INSTANTIATE_TEST_SUITE_P(NEON, ComputeFlowTest,
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::testing::Values(aom_compute_flow_at_point_neon));
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#endif
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#if HAVE_SVE
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INSTANTIATE_TEST_SUITE_P(SVE, ComputeFlowTest,
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::testing::Values(aom_compute_flow_at_point_sve));
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#endif
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} // namespace
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