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Diffstat (limited to 'media/libvpx/libvpx/test/vp8_denoiser_sse2_test.cc')
-rw-r--r-- | media/libvpx/libvpx/test/vp8_denoiser_sse2_test.cc | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/test/vp8_denoiser_sse2_test.cc b/media/libvpx/libvpx/test/vp8_denoiser_sse2_test.cc new file mode 100644 index 0000000000..7fa867d8bb --- /dev/null +++ b/media/libvpx/libvpx/test/vp8_denoiser_sse2_test.cc @@ -0,0 +1,119 @@ +/* + * Copyright (c) 2014 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include <math.h> +#include <stdlib.h> +#include <string.h> + +#include "third_party/googletest/src/include/gtest/gtest.h" +#include "test/acm_random.h" +#include "test/clear_system_state.h" +#include "test/register_state_check.h" +#include "test/util.h" + +#include "vp8/encoder/denoising.h" +#include "vp8/common/reconinter.h" +#include "vpx/vpx_integer.h" +#include "vpx_mem/vpx_mem.h" + +using libvpx_test::ACMRandom; + +namespace { + +const int kNumPixels = 16 * 16; +class VP8DenoiserTest : public ::testing::TestWithParam<int> { + public: + ~VP8DenoiserTest() override = default; + + void SetUp() override { increase_denoising_ = GetParam(); } + + void TearDown() override { libvpx_test::ClearSystemState(); } + + protected: + int increase_denoising_; +}; + +// TODO(https://crbug.com/webm/1718): This test fails with gcc 8-10. +#if defined(__GNUC__) && __GNUC__ >= 8 +TEST_P(VP8DenoiserTest, DISABLED_BitexactCheck) { +#else +TEST_P(VP8DenoiserTest, BitexactCheck) { +#endif + ACMRandom rnd(ACMRandom::DeterministicSeed()); + const int count_test_block = 4000; + const int stride = 16; + + // Allocate the space for input and output, + // where sig_block_c/_sse2 is the block to be denoised, + // mc_avg_block is the denoised reference block, + // avg_block_c is the denoised result from C code, + // avg_block_sse2 is the denoised result from SSE2 code. + DECLARE_ALIGNED(16, uint8_t, sig_block_c[kNumPixels]); + // Since in VP8 denoiser, the source signal will be changed, + // we need another copy of the source signal as the input of sse2 code. + DECLARE_ALIGNED(16, uint8_t, sig_block_sse2[kNumPixels]); + DECLARE_ALIGNED(16, uint8_t, mc_avg_block[kNumPixels]); + DECLARE_ALIGNED(16, uint8_t, avg_block_c[kNumPixels]); + DECLARE_ALIGNED(16, uint8_t, avg_block_sse2[kNumPixels]); + + for (int i = 0; i < count_test_block; ++i) { + // Generate random motion magnitude, 20% of which exceed the threshold. + const int motion_magnitude_ran = + rnd.Rand8() % static_cast<int>(MOTION_MAGNITUDE_THRESHOLD * 1.2); + + // Initialize a test block with random number in range [0, 255]. + for (int j = 0; j < kNumPixels; ++j) { + int temp = 0; + sig_block_sse2[j] = sig_block_c[j] = rnd.Rand8(); + // The pixels in mc_avg_block are generated by adding a random + // number in range [-19, 19] to corresponding pixels in sig_block. + temp = + sig_block_c[j] + (rnd.Rand8() % 2 == 0 ? -1 : 1) * (rnd.Rand8() % 20); + // Clip. + mc_avg_block[j] = (temp < 0) ? 0 : ((temp > 255) ? 255 : temp); + } + + // Test denosiser on Y component. + ASM_REGISTER_STATE_CHECK(vp8_denoiser_filter_c( + mc_avg_block, stride, avg_block_c, stride, sig_block_c, stride, + motion_magnitude_ran, increase_denoising_)); + + ASM_REGISTER_STATE_CHECK(vp8_denoiser_filter_sse2( + mc_avg_block, stride, avg_block_sse2, stride, sig_block_sse2, stride, + motion_magnitude_ran, increase_denoising_)); + + // Check bitexactness. + for (int h = 0; h < 16; ++h) { + for (int w = 0; w < 16; ++w) { + ASSERT_EQ(avg_block_c[h * stride + w], avg_block_sse2[h * stride + w]); + } + } + + // Test denoiser on UV component. + ASM_REGISTER_STATE_CHECK(vp8_denoiser_filter_uv_c( + mc_avg_block, stride, avg_block_c, stride, sig_block_c, stride, + motion_magnitude_ran, increase_denoising_)); + + ASM_REGISTER_STATE_CHECK(vp8_denoiser_filter_uv_sse2( + mc_avg_block, stride, avg_block_sse2, stride, sig_block_sse2, stride, + motion_magnitude_ran, increase_denoising_)); + + // Check bitexactness. + for (int h = 0; h < 16; ++h) { + for (int w = 0; w < 16; ++w) { + ASSERT_EQ(avg_block_c[h * stride + w], avg_block_sse2[h * stride + w]); + } + } + } +} + +// Test for all block size. +INSTANTIATE_TEST_SUITE_P(SSE2, VP8DenoiserTest, ::testing::Values(0, 1)); +} // namespace |