1 /*
2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
3 *
4 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 */
11
12 #include <math.h>
13 #include <stdio.h>
14 #include <stdlib.h>
15 #include <tuple>
16
17 #include "config/av1_rtcd.h"
18
19 #include "test/acm_random.h"
20 #include "test/util.h"
21 #include "test/register_state_check.h"
22
23 #include "aom_scale/yv12config.h"
24 #include "aom/aom_integer.h"
25 #include "av1/common/reconinter.h"
26 #include "av1/encoder/context_tree.h"
27 #include "av1/encoder/av1_temporal_denoiser.h"
28
29 using libaom_test::ACMRandom;
30
31 namespace {
32
33 const int kNumPixels = 128 * 128;
34
35 typedef int (*Av1DenoiserFilterFunc)(const uint8_t *sig, int sig_stride,
36 const uint8_t *mc_avg, int mc_avg_stride,
37 uint8_t *avg, int avg_stride,
38 int increase_denoising, BLOCK_SIZE bs,
39 int motion_magnitude);
40 typedef std::tuple<Av1DenoiserFilterFunc, BLOCK_SIZE> AV1DenoiserTestParam;
41
42 class AV1DenoiserTest
43 : public ::testing::Test,
44 public ::testing::WithParamInterface<AV1DenoiserTestParam> {
45 public:
~AV1DenoiserTest()46 virtual ~AV1DenoiserTest() {}
47
SetUp()48 virtual void SetUp() { bs_ = GET_PARAM(1); }
49
TearDown()50 virtual void TearDown() {}
51
52 protected:
53 BLOCK_SIZE bs_;
54 };
55
TEST_P(AV1DenoiserTest,BitexactCheck)56 TEST_P(AV1DenoiserTest, BitexactCheck) {
57 ACMRandom rnd(ACMRandom::DeterministicSeed());
58 const int count_test_block = 4000;
59
60 // Allocate the space for input and output,
61 // where sig_block is the block to be denoised,
62 // mc_avg_block is the denoised reference block,
63 // avg_block_c is the denoised result from C code,
64 // avg_block_sse2 is the denoised result from SSE2 code.
65 DECLARE_ALIGNED(16, uint8_t, sig_block[kNumPixels]);
66 DECLARE_ALIGNED(16, uint8_t, mc_avg_block[kNumPixels]);
67 DECLARE_ALIGNED(16, uint8_t, avg_block_c[kNumPixels]);
68 DECLARE_ALIGNED(16, uint8_t, avg_block_sse2[kNumPixels]);
69
70 for (int i = 0; i < count_test_block; ++i) {
71 // Generate random motion magnitude, 20% of which exceed the threshold.
72 const int motion_magnitude_random =
73 rnd.Rand8() % static_cast<int>(MOTION_MAGNITUDE_THRESHOLD * 1.2);
74
75 // Initialize a test block with random number in range [0, 255].
76 for (int j = 0; j < kNumPixels; ++j) {
77 int temp = 0;
78 sig_block[j] = rnd.Rand8();
79 // The pixels in mc_avg_block are generated by adding a random
80 // number in range [-19, 19] to corresponding pixels in sig_block.
81 temp =
82 sig_block[j] + ((rnd.Rand8() % 2 == 0) ? -1 : 1) * (rnd.Rand8() % 20);
83 // Clip.
84 mc_avg_block[j] = (temp < 0) ? 0 : ((temp > 255) ? 255 : temp);
85 }
86
87 API_REGISTER_STATE_CHECK(
88 av1_denoiser_filter_c(sig_block, 128, mc_avg_block, 128, avg_block_c,
89 128, 0, bs_, motion_magnitude_random));
90
91 API_REGISTER_STATE_CHECK(GET_PARAM(0)(sig_block, 128, mc_avg_block, 128,
92 avg_block_sse2, 128, 0, bs_,
93 motion_magnitude_random));
94
95 // Test bitexactness.
96 for (int h = 0; h < block_size_high[bs_]; ++h) {
97 for (int w = 0; w < block_size_wide[bs_]; ++w) {
98 EXPECT_EQ(avg_block_c[h * 128 + w], avg_block_sse2[h * 128 + w]);
99 }
100 }
101 }
102 }
103
104 using std::make_tuple;
105
106 // Test for all block size.
107 #if HAVE_SSE2
108 INSTANTIATE_TEST_SUITE_P(
109 SSE2, AV1DenoiserTest,
110 ::testing::Values(make_tuple(&av1_denoiser_filter_sse2, BLOCK_8X8),
111 make_tuple(&av1_denoiser_filter_sse2, BLOCK_8X16),
112 make_tuple(&av1_denoiser_filter_sse2, BLOCK_16X8),
113 make_tuple(&av1_denoiser_filter_sse2, BLOCK_16X16),
114 make_tuple(&av1_denoiser_filter_sse2, BLOCK_16X32),
115 make_tuple(&av1_denoiser_filter_sse2, BLOCK_32X16),
116 make_tuple(&av1_denoiser_filter_sse2, BLOCK_32X32),
117 make_tuple(&av1_denoiser_filter_sse2, BLOCK_32X64),
118 make_tuple(&av1_denoiser_filter_sse2, BLOCK_64X32),
119 make_tuple(&av1_denoiser_filter_sse2, BLOCK_64X64),
120 make_tuple(&av1_denoiser_filter_sse2, BLOCK_128X64),
121 make_tuple(&av1_denoiser_filter_sse2, BLOCK_64X128),
122 make_tuple(&av1_denoiser_filter_sse2, BLOCK_128X128)));
123 #endif // HAVE_SSE2
124
125 #if HAVE_NEON
126 INSTANTIATE_TEST_SUITE_P(
127 NEON, AV1DenoiserTest,
128 ::testing::Values(make_tuple(&av1_denoiser_filter_neon, BLOCK_8X8),
129 make_tuple(&av1_denoiser_filter_neon, BLOCK_8X16),
130 make_tuple(&av1_denoiser_filter_neon, BLOCK_16X8),
131 make_tuple(&av1_denoiser_filter_neon, BLOCK_16X16),
132 make_tuple(&av1_denoiser_filter_neon, BLOCK_16X32),
133 make_tuple(&av1_denoiser_filter_neon, BLOCK_32X16),
134 make_tuple(&av1_denoiser_filter_neon, BLOCK_32X32),
135 make_tuple(&av1_denoiser_filter_neon, BLOCK_32X64),
136 make_tuple(&av1_denoiser_filter_neon, BLOCK_64X32),
137 make_tuple(&av1_denoiser_filter_neon, BLOCK_64X64),
138 make_tuple(&av1_denoiser_filter_neon, BLOCK_128X64),
139 make_tuple(&av1_denoiser_filter_neon, BLOCK_64X128),
140 make_tuple(&av1_denoiser_filter_neon, BLOCK_128X128)));
141 #endif
142 } // namespace
143