2 * Copyright (c) 2014 The WebM project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
15 #include "third_party/googletest/src/include/gtest/gtest.h"
16 #include "test/acm_random.h"
17 #include "test/clear_system_state.h"
18 #include "test/register_state_check.h"
19 #include "test/util.h"
21 #include "vpx_scale/yv12config.h"
22 #include "vpx/vpx_integer.h"
23 #include "vp9/common/vp9_reconinter.h"
24 #include "vp9/encoder/vp9_context_tree.h"
25 #include "vp9/encoder/vp9_denoiser.h"
27 using libvpx_test::ACMRandom;
31 const int kNumPixels = 64 * 64;
32 class VP9DenoiserTest : public ::testing::TestWithParam<BLOCK_SIZE> {
34 virtual ~VP9DenoiserTest() {}
36 virtual void SetUp() {
40 virtual void TearDown() { libvpx_test::ClearSystemState(); }
46 TEST_P(VP9DenoiserTest, BitexactCheck) {
47 ACMRandom rnd(ACMRandom::DeterministicSeed());
48 const int count_test_block = 4000;
50 // Allocate the space for input and output,
51 // where sig_block is the block to be denoised,
52 // mc_avg_block is the denoised reference block,
53 // avg_block_c is the denoised result from C code,
54 // avg_block_sse2 is the denoised result from SSE2 code.
55 DECLARE_ALIGNED_ARRAY(16, uint8_t, sig_block, kNumPixels);
56 DECLARE_ALIGNED_ARRAY(16, uint8_t, mc_avg_block, kNumPixels);
57 DECLARE_ALIGNED_ARRAY(16, uint8_t, avg_block_c, kNumPixels);
58 DECLARE_ALIGNED_ARRAY(16, uint8_t, avg_block_sse2, kNumPixels);
60 for (int i = 0; i < count_test_block; ++i) {
61 // Generate random motion magnitude, 20% of which exceed the threshold.
62 const int motion_magnitude_random =
63 rnd.Rand8() % static_cast<int>(MOTION_MAGNITUDE_THRESHOLD * 1.2);
65 // Initialize a test block with random number in range [0, 255].
66 for (int j = 0; j < kNumPixels; ++j) {
68 sig_block[j] = rnd.Rand8();
69 // The pixels in mc_avg_block are generated by adding a random
70 // number in range [-19, 19] to corresponding pixels in sig_block.
71 temp = sig_block[j] + ((rnd.Rand8() % 2 == 0) ? -1 : 1) *
74 mc_avg_block[j] = (temp < 0) ? 0 : ((temp > 255) ? 255 : temp);
77 ASM_REGISTER_STATE_CHECK(vp9_denoiser_filter_c(
78 sig_block, 64, mc_avg_block, 64, avg_block_c,
79 64, 0, bs_, motion_magnitude_random));
81 ASM_REGISTER_STATE_CHECK(vp9_denoiser_filter_sse2(
82 sig_block, 64, mc_avg_block, 64, avg_block_sse2,
83 64, 0, bs_, motion_magnitude_random));
86 for (int h = 0; h < (4 << b_height_log2_lookup[bs_]); ++h) {
87 for (int w = 0; w < (4 << b_width_log2_lookup[bs_]); ++w) {
88 EXPECT_EQ(avg_block_c[h * 64 + w], avg_block_sse2[h * 64 + w]);
94 // Test for all block size.
95 INSTANTIATE_TEST_CASE_P(
96 SSE2, VP9DenoiserTest,
97 ::testing::Values(BLOCK_4X4, BLOCK_4X8, BLOCK_8X4, BLOCK_8X8,
98 BLOCK_8X16, BLOCK_16X8, BLOCK_16X16, BLOCK_16X32,
99 BLOCK_32X16, BLOCK_32X32, BLOCK_32X64, BLOCK_64X32,