1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include <math.h>
#include <stdlib.h>
#include <new>
#include <tuple>
#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
#include "test/acm_random.h"
#include "test/util.h"
#include "config/aom_config.h"
#include "aom_dsp/psnr.h"
#include "aom_dsp/ssim.h"
#include "aom_ports/mem.h"
#include "aom_ports/msvc.h"
#include "aom_scale/yv12config.h"
using libaom_test::ACMRandom;
namespace {
typedef double (*LBDMetricFunc)(const YV12_BUFFER_CONFIG *source,
const YV12_BUFFER_CONFIG *dest);
typedef double (*HBDMetricFunc)(const YV12_BUFFER_CONFIG *source,
const YV12_BUFFER_CONFIG *dest, uint32_t in_bd,
uint32_t bd);
double compute_hbd_psnr(const YV12_BUFFER_CONFIG *source,
const YV12_BUFFER_CONFIG *dest, uint32_t in_bd,
uint32_t bd) {
PSNR_STATS psnr;
aom_calc_highbd_psnr(source, dest, &psnr, bd, in_bd);
return psnr.psnr[0];
}
double compute_psnr(const YV12_BUFFER_CONFIG *source,
const YV12_BUFFER_CONFIG *dest) {
PSNR_STATS psnr;
aom_calc_psnr(source, dest, &psnr);
return psnr.psnr[0];
}
double compute_hbd_psnrhvs(const YV12_BUFFER_CONFIG *source,
const YV12_BUFFER_CONFIG *dest, uint32_t in_bd,
uint32_t bd) {
double tempy, tempu, tempv;
return aom_psnrhvs(source, dest, &tempy, &tempu, &tempv, bd, in_bd);
}
double compute_psnrhvs(const YV12_BUFFER_CONFIG *source,
const YV12_BUFFER_CONFIG *dest) {
double tempy, tempu, tempv;
return aom_psnrhvs(source, dest, &tempy, &tempu, &tempv, 8, 8);
}
double compute_hbd_fastssim(const YV12_BUFFER_CONFIG *source,
const YV12_BUFFER_CONFIG *dest, uint32_t in_bd,
uint32_t bd) {
double tempy, tempu, tempv;
return aom_calc_fastssim(source, dest, &tempy, &tempu, &tempv, bd, in_bd);
}
double compute_fastssim(const YV12_BUFFER_CONFIG *source,
const YV12_BUFFER_CONFIG *dest) {
double tempy, tempu, tempv;
return aom_calc_fastssim(source, dest, &tempy, &tempu, &tempv, 8, 8);
}
double compute_hbd_aomssim(const YV12_BUFFER_CONFIG *source,
const YV12_BUFFER_CONFIG *dest, uint32_t in_bd,
uint32_t bd) {
double ssim[2], weight[2];
aom_highbd_calc_ssim(source, dest, weight, bd, in_bd, ssim);
return 100 * pow(ssim[0] / weight[0], 8.0);
}
double compute_aomssim(const YV12_BUFFER_CONFIG *source,
const YV12_BUFFER_CONFIG *dest) {
double ssim, weight;
aom_lowbd_calc_ssim(source, dest, &weight, &ssim);
return 100 * pow(ssim / weight, 8.0);
}
class HBDMetricsTestBase {
public:
virtual ~HBDMetricsTestBase() = default;
protected:
void RunAccuracyCheck() {
const int width = 1920;
const int height = 1080;
size_t i = 0;
const uint8_t kPixFiller = 128;
YV12_BUFFER_CONFIG lbd_src, lbd_dst;
YV12_BUFFER_CONFIG hbd_src, hbd_dst;
ACMRandom rnd(ACMRandom::DeterministicSeed());
double lbd_db, hbd_db;
memset(&lbd_src, 0, sizeof(lbd_src));
memset(&lbd_dst, 0, sizeof(lbd_dst));
memset(&hbd_src, 0, sizeof(hbd_src));
memset(&hbd_dst, 0, sizeof(hbd_dst));
aom_alloc_frame_buffer(&lbd_src, width, height, 1, 1, 0, 32, 16, false, 0);
aom_alloc_frame_buffer(&lbd_dst, width, height, 1, 1, 0, 32, 16, false, 0);
aom_alloc_frame_buffer(&hbd_src, width, height, 1, 1, 1, 32, 16, false, 0);
aom_alloc_frame_buffer(&hbd_dst, width, height, 1, 1, 1, 32, 16, false, 0);
memset(lbd_src.buffer_alloc, kPixFiller, lbd_src.buffer_alloc_sz);
while (i < lbd_src.buffer_alloc_sz) {
uint16_t spel, dpel;
spel = lbd_src.buffer_alloc[i];
// Create some distortion for dst buffer.
dpel = rnd.Rand8();
lbd_dst.buffer_alloc[i] = (uint8_t)dpel;
((uint16_t *)(hbd_src.buffer_alloc))[i] = spel << (bit_depth_ - 8);
((uint16_t *)(hbd_dst.buffer_alloc))[i] = dpel << (bit_depth_ - 8);
i++;
}
lbd_db = lbd_metric_(&lbd_src, &lbd_dst);
hbd_db = hbd_metric_(&hbd_src, &hbd_dst, input_bit_depth_, bit_depth_);
EXPECT_LE(fabs(lbd_db - hbd_db), threshold_);
i = 0;
while (i < lbd_src.buffer_alloc_sz) {
uint16_t dpel;
// Create some small distortion for dst buffer.
dpel = 120 + (rnd.Rand8() >> 4);
lbd_dst.buffer_alloc[i] = (uint8_t)dpel;
((uint16_t *)(hbd_dst.buffer_alloc))[i] = dpel << (bit_depth_ - 8);
i++;
}
lbd_db = lbd_metric_(&lbd_src, &lbd_dst);
hbd_db = hbd_metric_(&hbd_src, &hbd_dst, input_bit_depth_, bit_depth_);
EXPECT_LE(fabs(lbd_db - hbd_db), threshold_);
i = 0;
while (i < lbd_src.buffer_alloc_sz) {
uint16_t dpel;
// Create some small distortion for dst buffer.
dpel = 126 + (rnd.Rand8() >> 6);
lbd_dst.buffer_alloc[i] = (uint8_t)dpel;
((uint16_t *)(hbd_dst.buffer_alloc))[i] = dpel << (bit_depth_ - 8);
i++;
}
lbd_db = lbd_metric_(&lbd_src, &lbd_dst);
hbd_db = hbd_metric_(&hbd_src, &hbd_dst, input_bit_depth_, bit_depth_);
EXPECT_LE(fabs(lbd_db - hbd_db), threshold_);
aom_free_frame_buffer(&lbd_src);
aom_free_frame_buffer(&lbd_dst);
aom_free_frame_buffer(&hbd_src);
aom_free_frame_buffer(&hbd_dst);
}
int input_bit_depth_;
int bit_depth_;
double threshold_;
LBDMetricFunc lbd_metric_;
HBDMetricFunc hbd_metric_;
};
typedef std::tuple<LBDMetricFunc, HBDMetricFunc, int, int, double>
MetricTestTParam;
class HBDMetricsTest : public HBDMetricsTestBase,
public ::testing::TestWithParam<MetricTestTParam> {
public:
void SetUp() override {
lbd_metric_ = GET_PARAM(0);
hbd_metric_ = GET_PARAM(1);
input_bit_depth_ = GET_PARAM(2);
bit_depth_ = GET_PARAM(3);
threshold_ = GET_PARAM(4);
}
};
TEST_P(HBDMetricsTest, RunAccuracyCheck) { RunAccuracyCheck(); }
// Allow small variation due to floating point operations.
static const double kSsim_thresh = 0.001;
// Allow some additional errors accumulated in floating point operations.
static const double kFSsim_thresh = 0.03;
// Allow some extra variation due to rounding error accumulated in dct.
static const double kPhvs_thresh = 0.3;
INSTANTIATE_TEST_SUITE_P(
AOMSSIM, HBDMetricsTest,
::testing::Values(MetricTestTParam(&compute_aomssim, &compute_hbd_aomssim,
8, 10, kSsim_thresh),
MetricTestTParam(&compute_aomssim, &compute_hbd_aomssim,
10, 10, kPhvs_thresh),
MetricTestTParam(&compute_aomssim, &compute_hbd_aomssim,
8, 12, kSsim_thresh),
MetricTestTParam(&compute_aomssim, &compute_hbd_aomssim,
12, 12, kPhvs_thresh)));
INSTANTIATE_TEST_SUITE_P(
FASTSSIM, HBDMetricsTest,
::testing::Values(MetricTestTParam(&compute_fastssim, &compute_hbd_fastssim,
8, 10, kFSsim_thresh),
MetricTestTParam(&compute_fastssim, &compute_hbd_fastssim,
10, 10, kFSsim_thresh),
MetricTestTParam(&compute_fastssim, &compute_hbd_fastssim,
8, 12, kFSsim_thresh),
MetricTestTParam(&compute_fastssim, &compute_hbd_fastssim,
12, 12, kFSsim_thresh)));
INSTANTIATE_TEST_SUITE_P(
PSNRHVS, HBDMetricsTest,
::testing::Values(MetricTestTParam(&compute_psnrhvs, &compute_hbd_psnrhvs,
8, 10, kPhvs_thresh),
MetricTestTParam(&compute_psnrhvs, &compute_hbd_psnrhvs,
10, 10, kPhvs_thresh),
MetricTestTParam(&compute_psnrhvs, &compute_hbd_psnrhvs,
8, 12, kPhvs_thresh),
MetricTestTParam(&compute_psnrhvs, &compute_hbd_psnrhvs,
12, 12, kPhvs_thresh)));
INSTANTIATE_TEST_SUITE_P(
PSNR, HBDMetricsTest,
::testing::Values(
MetricTestTParam(&compute_psnr, &compute_hbd_psnr, 8, 10, kPhvs_thresh),
MetricTestTParam(&compute_psnr, &compute_hbd_psnr, 10, 10,
kPhvs_thresh),
MetricTestTParam(&compute_psnr, &compute_hbd_psnr, 8, 12, kPhvs_thresh),
MetricTestTParam(&compute_psnr, &compute_hbd_psnr, 12, 12,
kPhvs_thresh)));
} // namespace
|
