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
|
/*
* 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 <cmath>
#include <cstdlib>
#include <string>
#include <tuple>
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "./vpx_config.h"
#include "./vp9_rtcd.h"
#include "test/acm_random.h"
#include "test/clear_system_state.h"
#include "test/register_state_check.h"
#include "test/util.h"
#include "vp9/common/vp9_entropy.h"
#include "vpx/vpx_codec.h"
#include "vpx/vpx_integer.h"
#include "vpx_dsp/vpx_dsp_common.h"
using libvpx_test::ACMRandom;
namespace {
const int kNumIterations = 1000;
typedef int64_t (*HBDBlockErrorFunc)(const tran_low_t *coeff,
const tran_low_t *dqcoeff,
intptr_t block_size, int64_t *ssz,
int bps);
typedef std::tuple<HBDBlockErrorFunc, HBDBlockErrorFunc, vpx_bit_depth_t>
BlockErrorParam;
typedef int64_t (*BlockErrorFunc)(const tran_low_t *coeff,
const tran_low_t *dqcoeff,
intptr_t block_size, int64_t *ssz);
template <BlockErrorFunc fn>
int64_t BlockError8BitWrapper(const tran_low_t *coeff,
const tran_low_t *dqcoeff, intptr_t block_size,
int64_t *ssz, int bps) {
EXPECT_EQ(bps, 8);
return fn(coeff, dqcoeff, block_size, ssz);
}
class BlockErrorTest : public ::testing::TestWithParam<BlockErrorParam> {
public:
~BlockErrorTest() override = default;
void SetUp() override {
error_block_op_ = GET_PARAM(0);
ref_error_block_op_ = GET_PARAM(1);
bit_depth_ = GET_PARAM(2);
}
void TearDown() override { libvpx_test::ClearSystemState(); }
protected:
vpx_bit_depth_t bit_depth_;
HBDBlockErrorFunc error_block_op_;
HBDBlockErrorFunc ref_error_block_op_;
};
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(BlockErrorTest);
TEST_P(BlockErrorTest, OperationCheck) {
ACMRandom rnd(ACMRandom::DeterministicSeed());
DECLARE_ALIGNED(16, tran_low_t, coeff[4096]);
DECLARE_ALIGNED(16, tran_low_t, dqcoeff[4096]);
int err_count_total = 0;
int first_failure = -1;
intptr_t block_size;
int64_t ssz;
int64_t ret;
int64_t ref_ssz;
int64_t ref_ret;
const int msb = bit_depth_ + 8 - 1;
for (int i = 0; i < kNumIterations; ++i) {
int err_count = 0;
block_size = 16 << (i % 9); // All block sizes from 4x4, 8x4 ..64x64
for (int j = 0; j < block_size; j++) {
// coeff and dqcoeff will always have at least the same sign, and this
// can be used for optimization, so generate test input precisely.
if (rnd(2)) {
// Positive number
coeff[j] = rnd(1 << msb);
dqcoeff[j] = rnd(1 << msb);
} else {
// Negative number
coeff[j] = -rnd(1 << msb);
dqcoeff[j] = -rnd(1 << msb);
}
}
ref_ret =
ref_error_block_op_(coeff, dqcoeff, block_size, &ref_ssz, bit_depth_);
ASM_REGISTER_STATE_CHECK(
ret = error_block_op_(coeff, dqcoeff, block_size, &ssz, bit_depth_));
err_count += (ref_ret != ret) | (ref_ssz != ssz);
if (err_count && !err_count_total) {
first_failure = i;
}
err_count_total += err_count;
}
EXPECT_EQ(0, err_count_total)
<< "Error: Error Block Test, C output doesn't match optimized output. "
<< "First failed at test case " << first_failure;
}
TEST_P(BlockErrorTest, ExtremeValues) {
ACMRandom rnd(ACMRandom::DeterministicSeed());
DECLARE_ALIGNED(16, tran_low_t, coeff[4096]);
DECLARE_ALIGNED(16, tran_low_t, dqcoeff[4096]);
int err_count_total = 0;
int first_failure = -1;
intptr_t block_size;
int64_t ssz;
int64_t ret;
int64_t ref_ssz;
int64_t ref_ret;
const int msb = bit_depth_ + 8 - 1;
int max_val = ((1 << msb) - 1);
for (int i = 0; i < kNumIterations; ++i) {
int err_count = 0;
int k = (i / 9) % 9;
// Change the maximum coeff value, to test different bit boundaries
if (k == 8 && (i % 9) == 0) {
max_val >>= 1;
}
block_size = 16 << (i % 9); // All block sizes from 4x4, 8x4 ..64x64
for (int j = 0; j < block_size; j++) {
if (k < 4) {
// Test at positive maximum values
coeff[j] = k % 2 ? max_val : 0;
dqcoeff[j] = (k >> 1) % 2 ? max_val : 0;
} else if (k < 8) {
// Test at negative maximum values
coeff[j] = k % 2 ? -max_val : 0;
dqcoeff[j] = (k >> 1) % 2 ? -max_val : 0;
} else {
if (rnd(2)) {
// Positive number
coeff[j] = rnd(1 << 14);
dqcoeff[j] = rnd(1 << 14);
} else {
// Negative number
coeff[j] = -rnd(1 << 14);
dqcoeff[j] = -rnd(1 << 14);
}
}
}
ref_ret =
ref_error_block_op_(coeff, dqcoeff, block_size, &ref_ssz, bit_depth_);
ASM_REGISTER_STATE_CHECK(
ret = error_block_op_(coeff, dqcoeff, block_size, &ssz, bit_depth_));
err_count += (ref_ret != ret) | (ref_ssz != ssz);
if (err_count && !err_count_total) {
first_failure = i;
}
err_count_total += err_count;
}
EXPECT_EQ(0, err_count_total)
<< "Error: Error Block Test, C output doesn't match optimized output. "
<< "First failed at test case " << first_failure;
}
using std::make_tuple;
#if HAVE_SSE2
const BlockErrorParam sse2_block_error_tests[] = {
#if CONFIG_VP9_HIGHBITDEPTH
make_tuple(&vp9_highbd_block_error_sse2, &vp9_highbd_block_error_c,
VPX_BITS_10),
make_tuple(&vp9_highbd_block_error_sse2, &vp9_highbd_block_error_c,
VPX_BITS_12),
make_tuple(&vp9_highbd_block_error_sse2, &vp9_highbd_block_error_c,
VPX_BITS_8),
#endif // CONFIG_VP9_HIGHBITDEPTH
make_tuple(&BlockError8BitWrapper<vp9_block_error_sse2>,
&BlockError8BitWrapper<vp9_block_error_c>, VPX_BITS_8)
};
INSTANTIATE_TEST_SUITE_P(SSE2, BlockErrorTest,
::testing::ValuesIn(sse2_block_error_tests));
#endif // HAVE_SSE2
#if HAVE_AVX2
INSTANTIATE_TEST_SUITE_P(
AVX2, BlockErrorTest,
::testing::Values(make_tuple(&BlockError8BitWrapper<vp9_block_error_avx2>,
&BlockError8BitWrapper<vp9_block_error_c>,
VPX_BITS_8)));
#endif // HAVE_AVX2
#if HAVE_NEON
const BlockErrorParam neon_block_error_tests[] = {
#if CONFIG_VP9_HIGHBITDEPTH
make_tuple(&vp9_highbd_block_error_neon, &vp9_highbd_block_error_c,
VPX_BITS_10),
make_tuple(&vp9_highbd_block_error_neon, &vp9_highbd_block_error_c,
VPX_BITS_12),
make_tuple(&vp9_highbd_block_error_neon, &vp9_highbd_block_error_c,
VPX_BITS_8),
#endif // CONFIG_VP9_HIGHBITDEPTH
make_tuple(&BlockError8BitWrapper<vp9_block_error_neon>,
&BlockError8BitWrapper<vp9_block_error_c>, VPX_BITS_8)
};
INSTANTIATE_TEST_SUITE_P(NEON, BlockErrorTest,
::testing::ValuesIn(neon_block_error_tests));
#endif // HAVE_NEON
} // namespace
|
