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
|
/*
* Copyright 2023 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <fstream>
#include <iostream>
#include <benchmark/benchmark.h>
#include <gtest/gtest.h>
#include "jpegr.h"
using namespace ultrahdr;
const std::string kDecTestVectors[] = {
"./data/city_night.jpg", "./data/desert_sunset.jpg", "./data/lamps.jpg",
"./data/mountains.jpg", "./data/desert_wanda.jpg", "./data/grand_canyon.jpg",
"./data/mountain_lake.jpg",
};
const size_t kNumDecTestVectors = std::size(kDecTestVectors);
std::string ofToString(const ultrahdr_output_format of) {
switch (of) {
case ULTRAHDR_OUTPUT_SDR:
return "sdr";
case ULTRAHDR_OUTPUT_HDR_LINEAR:
return "hdr linear";
case ULTRAHDR_OUTPUT_HDR_PQ:
return "hdr pq";
case ULTRAHDR_OUTPUT_HDR_HLG:
return "hdr hlg";
default:
return "Unknown";
}
}
static bool loadFile(const char* filename, void*& result, int length) {
std::ifstream ifd(filename, std::ios::binary | std::ios::ate);
if (ifd.good()) {
int size = ifd.tellg();
if (size < length) {
std::cerr << "requested to read " << length << " bytes from file : " << filename
<< ", file contains only " << size << " bytes" << std::endl;
return false;
}
ifd.seekg(0, std::ios::beg);
result = malloc(length);
if (result == nullptr) {
std::cerr << "failed to allocate memory to store contents of file : " << filename
<< std::endl;
return false;
}
ifd.read(static_cast<char*>(result), length);
return true;
}
std::cerr << "unable to open file : " << filename << std::endl;
return false;
}
static void BM_Decode(benchmark::State& s) {
std::string srcFileName = kDecTestVectors[s.range(0)];
ultrahdr_output_format of = static_cast<ultrahdr_output_format>(s.range(1));
std::ifstream ifd(srcFileName.c_str(), std::ios::binary | std::ios::ate);
ASSERT_TRUE(ifd.good()) << "unable to open file " << srcFileName;
int size = ifd.tellg();
jpegr_compressed_struct jpegImgR{};
jpegImgR.length = size;
jpegImgR.maxLength = size;
jpegImgR.data = nullptr;
jpegImgR.colorGamut = ULTRAHDR_COLORGAMUT_UNSPECIFIED;
ifd.close();
ASSERT_TRUE(loadFile(srcFileName.c_str(), jpegImgR.data, size))
<< "unable to load file " << srcFileName;
std::unique_ptr<uint8_t[]> compData;
compData.reset(reinterpret_cast<uint8_t*>(jpegImgR.data));
JpegR jpegHdr;
std::vector<uint8_t> iccData(0);
std::vector<uint8_t> exifData(0);
jpegr_info_struct info{0, 0, &iccData, &exifData};
ASSERT_EQ(JPEGR_NO_ERROR, jpegHdr.getJPEGRInfo(&jpegImgR, &info));
size_t outSize = info.width * info.height * ((of == ULTRAHDR_OUTPUT_HDR_LINEAR) ? 8 : 4);
std::unique_ptr<uint8_t[]> data = std::make_unique<uint8_t[]>(outSize);
jpegr_uncompressed_struct destImage{};
destImage.data = data.get();
for (auto _ : s) {
ASSERT_EQ(JPEGR_NO_ERROR, jpegHdr.decodeJPEGR(&jpegImgR, &destImage, FLT_MAX, nullptr, of));
}
ASSERT_EQ(info.width, destImage.width);
ASSERT_EQ(info.height, destImage.height);
s.SetLabel(srcFileName + ", " + ofToString(of) + ", " + std::to_string(info.width) + "x" +
std::to_string(info.height));
}
BENCHMARK(BM_Decode)
->ArgsProduct({{benchmark::CreateDenseRange(0, kNumDecTestVectors - 1, 1)},
{ULTRAHDR_OUTPUT_HDR_HLG, ULTRAHDR_OUTPUT_HDR_PQ, ULTRAHDR_OUTPUT_HDR_LINEAR,
ULTRAHDR_OUTPUT_SDR}})
->Unit(benchmark::kMillisecond);
BENCHMARK_MAIN();
|
