ref: 68cc1dc4228b0a87e3261dcfeb947226308ceecc
dir: /test/vp8_denoiser_sse2_test.cc/
/* * 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: virtual ~VP8DenoiserTest() {} virtual void SetUp() { increase_denoising_ = GetParam(); } virtual void TearDown() { libvpx_test::ClearSystemState(); } protected: int increase_denoising_; }; TEST_P(VP8DenoiserTest, BitexactCheck) { 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) { EXPECT_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) { EXPECT_EQ(avg_block_c[h * stride + w], avg_block_sse2[h * stride + w]); } } } } // Test for all block size. INSTANTIATE_TEST_CASE_P(SSE2, VP8DenoiserTest, ::testing::Values(0, 1)); } // namespace