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
|
// Copyright (c) the JPEG XL 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.
#include <jxl/butteraugli.h>
#include <jxl/butteraugli_cxx.h>
#include "lib/jxl/test_image.h"
#include "lib/jxl/test_utils.h"
#include "lib/jxl/testing.h"
TEST(ButteraugliTest, Lossless) {
uint32_t xsize = 171;
uint32_t ysize = 219;
std::vector<uint8_t> pixels = jxl::test::GetSomeTestImage(xsize, ysize, 4, 0);
JxlPixelFormat pixel_format = {4, JXL_TYPE_UINT16, JXL_BIG_ENDIAN, 0};
JxlButteraugliApiPtr api(JxlButteraugliApiCreate(nullptr));
JxlButteraugliResultPtr result(JxlButteraugliCompute(
api.get(), xsize, ysize, &pixel_format, pixels.data(), pixels.size(),
&pixel_format, pixels.data(), pixels.size()));
EXPECT_EQ(0.0, JxlButteraugliResultGetDistance(result.get(), 8.0));
}
TEST(ButteraugliTest, Distmap) {
uint32_t xsize = 171;
uint32_t ysize = 219;
std::vector<uint8_t> pixels = jxl::test::GetSomeTestImage(xsize, ysize, 4, 0);
JxlPixelFormat pixel_format = {4, JXL_TYPE_UINT16, JXL_BIG_ENDIAN, 0};
JxlButteraugliApiPtr api(JxlButteraugliApiCreate(nullptr));
JxlButteraugliResultPtr result(JxlButteraugliCompute(
api.get(), xsize, ysize, &pixel_format, pixels.data(), pixels.size(),
&pixel_format, pixels.data(), pixels.size()));
EXPECT_EQ(0.0, JxlButteraugliResultGetDistance(result.get(), 8.0));
const float* distmap;
uint32_t row_stride;
JxlButteraugliResultGetDistmap(result.get(), &distmap, &row_stride);
for (uint32_t y = 0; y < ysize; y++) {
for (uint32_t x = 0; x < xsize; x++) {
EXPECT_EQ(0.0, distmap[y * row_stride + x]);
}
}
}
TEST(ButteraugliTest, Distorted) {
uint32_t xsize = 171;
uint32_t ysize = 219;
std::vector<uint8_t> orig_pixels =
jxl::test::GetSomeTestImage(xsize, ysize, 4, 0);
std::vector<uint8_t> dist_pixels =
jxl::test::GetSomeTestImage(xsize, ysize, 4, 0);
dist_pixels[0] += 128;
JxlPixelFormat pixel_format = {4, JXL_TYPE_UINT16, JXL_BIG_ENDIAN, 0};
JxlButteraugliApiPtr api(JxlButteraugliApiCreate(nullptr));
JxlButteraugliResultPtr result(JxlButteraugliCompute(
api.get(), xsize, ysize, &pixel_format, orig_pixels.data(),
orig_pixels.size(), &pixel_format, dist_pixels.data(),
dist_pixels.size()));
EXPECT_NE(0.0, JxlButteraugliResultGetDistance(result.get(), 8.0));
}
TEST(ButteraugliTest, Api) {
uint32_t xsize = 171;
uint32_t ysize = 219;
std::vector<uint8_t> orig_pixels =
jxl::test::GetSomeTestImage(xsize, ysize, 4, 0);
std::vector<uint8_t> dist_pixels =
jxl::test::GetSomeTestImage(xsize, ysize, 4, 0);
dist_pixels[0] += 128;
JxlPixelFormat pixel_format = {4, JXL_TYPE_UINT16, JXL_BIG_ENDIAN, 0};
JxlButteraugliApiPtr api(JxlButteraugliApiCreate(nullptr));
JxlButteraugliApiSetHFAsymmetry(api.get(), 1.0f);
JxlButteraugliApiSetIntensityTarget(api.get(), 250.0f);
JxlButteraugliResultPtr result(JxlButteraugliCompute(
api.get(), xsize, ysize, &pixel_format, orig_pixels.data(),
orig_pixels.size(), &pixel_format, dist_pixels.data(),
dist_pixels.size()));
double distance0 = JxlButteraugliResultGetDistance(result.get(), 8.0);
JxlButteraugliApiSetHFAsymmetry(api.get(), 2.0f);
result.reset(JxlButteraugliCompute(api.get(), xsize, ysize, &pixel_format,
orig_pixels.data(), orig_pixels.size(),
&pixel_format, dist_pixels.data(),
dist_pixels.size()));
double distance1 = JxlButteraugliResultGetDistance(result.get(), 8.0);
EXPECT_NE(distance0, distance1);
JxlButteraugliApiSetIntensityTarget(api.get(), 80.0f);
result.reset(JxlButteraugliCompute(api.get(), xsize, ysize, &pixel_format,
orig_pixels.data(), orig_pixels.size(),
&pixel_format, dist_pixels.data(),
dist_pixels.size()));
double distance2 = JxlButteraugliResultGetDistance(result.get(), 8.0);
EXPECT_NE(distance1, distance2);
}
|
