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.
16 #include "third_party/googletest/src/include/gtest/gtest.h"
17 #include "test/acm_random.h"
18 #include "test/clear_system_state.h"
19 #include "test/register_state_check.h"
20 #include "test/util.h"
22 #include "vpx_scale/yv12config.h"
23 #include "vpx/vpx_integer.h"
24 #include "vp9/common/vp9_reconinter.h"
25 #include "vp9/encoder/vp9_context_tree.h"
26 #include "vp9/encoder/vp9_denoiser.h"
28 using libvpx_test::ACMRandom;
32 const int kNumPixels = 64 * 64;
34 typedef int (*Vp9DenoiserFilterFunc)(const uint8_t *sig, int sig_stride,
35 const uint8_t *mc_avg, int mc_avg_stride,
36 uint8_t *avg, int avg_stride,
37 int increase_denoising, BLOCK_SIZE bs,
38 int motion_magnitude);
39 typedef std::tuple<Vp9DenoiserFilterFunc, BLOCK_SIZE> VP9DenoiserTestParam;
42 : public ::testing::Test,
43 public ::testing::WithParamInterface<VP9DenoiserTestParam> {
45 virtual ~VP9DenoiserTest() {}
47 virtual void SetUp() { bs_ = GET_PARAM(1); }
49 virtual void TearDown() { libvpx_test::ClearSystemState(); }
54 GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(VP9DenoiserTest);
56 TEST_P(VP9DenoiserTest, BitexactCheck) {
57 ACMRandom rnd(ACMRandom::DeterministicSeed());
58 const int count_test_block = 4000;
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]);
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);
75 // Initialize a test block with random number in range [0, 255].
76 for (int j = 0; j < kNumPixels; ++j) {
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.
82 sig_block[j] + ((rnd.Rand8() % 2 == 0) ? -1 : 1) * (rnd.Rand8() % 20);
84 mc_avg_block[j] = (temp < 0) ? 0 : ((temp > 255) ? 255 : temp);
87 ASM_REGISTER_STATE_CHECK(vp9_denoiser_filter_c(sig_block, 64, mc_avg_block,
88 64, avg_block_c, 64, 0, bs_,
89 motion_magnitude_random));
91 ASM_REGISTER_STATE_CHECK(GET_PARAM(0)(sig_block, 64, mc_avg_block, 64,
92 avg_block_sse2, 64, 0, bs_,
93 motion_magnitude_random));
96 for (int h = 0; h < (4 << b_height_log2_lookup[bs_]); ++h) {
97 for (int w = 0; w < (4 << b_width_log2_lookup[bs_]); ++w) {
98 EXPECT_EQ(avg_block_c[h * 64 + w], avg_block_sse2[h * 64 + w]);
104 using std::make_tuple;
106 // Test for all block size.
108 INSTANTIATE_TEST_SUITE_P(
109 SSE2, VP9DenoiserTest,
110 ::testing::Values(make_tuple(&vp9_denoiser_filter_sse2, BLOCK_8X8),
111 make_tuple(&vp9_denoiser_filter_sse2, BLOCK_8X16),
112 make_tuple(&vp9_denoiser_filter_sse2, BLOCK_16X8),
113 make_tuple(&vp9_denoiser_filter_sse2, BLOCK_16X16),
114 make_tuple(&vp9_denoiser_filter_sse2, BLOCK_16X32),
115 make_tuple(&vp9_denoiser_filter_sse2, BLOCK_32X16),
116 make_tuple(&vp9_denoiser_filter_sse2, BLOCK_32X32),
117 make_tuple(&vp9_denoiser_filter_sse2, BLOCK_32X64),
118 make_tuple(&vp9_denoiser_filter_sse2, BLOCK_64X32),
119 make_tuple(&vp9_denoiser_filter_sse2, BLOCK_64X64)));
123 INSTANTIATE_TEST_SUITE_P(
124 NEON, VP9DenoiserTest,
125 ::testing::Values(make_tuple(&vp9_denoiser_filter_neon, BLOCK_8X8),
126 make_tuple(&vp9_denoiser_filter_neon, BLOCK_8X16),
127 make_tuple(&vp9_denoiser_filter_neon, BLOCK_16X8),
128 make_tuple(&vp9_denoiser_filter_neon, BLOCK_16X16),
129 make_tuple(&vp9_denoiser_filter_neon, BLOCK_16X32),
130 make_tuple(&vp9_denoiser_filter_neon, BLOCK_32X16),
131 make_tuple(&vp9_denoiser_filter_neon, BLOCK_32X32),
132 make_tuple(&vp9_denoiser_filter_neon, BLOCK_32X64),
133 make_tuple(&vp9_denoiser_filter_neon, BLOCK_64X32),
134 make_tuple(&vp9_denoiser_filter_neon, BLOCK_64X64)));