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
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* camera_metadata.h - libcamera Android Camera Metadata Helper
*/
#ifndef __ANDROID_CAMERA_METADATA_H__
#define __ANDROID_CAMERA_METADATA_H__
#include <stdint.h>
#include <vector>
#include <system/camera_metadata.h>
class CameraMetadata
{
public:
CameraMetadata();
CameraMetadata(size_t entryCapacity, size_t dataCapacity);
CameraMetadata(const camera_metadata_t *metadata);
CameraMetadata(const CameraMetadata &other);
~CameraMetadata();
CameraMetadata &operator=(const CameraMetadata &other);
bool isValid() const { return valid_; }
bool resize(size_t count, size_t size);
bool getEntry(uint32_t tag, camera_metadata_ro_entry_t *entry) const;
template<typename T,
std::enable_if_t<std::is_arithmetic_v<T>> * = nullptr>
bool addEntry(uint32_t tag, const T &data)
{
return addEntry(tag, &data, 1, sizeof(T));
}
template<typename T, size_t size>
bool addEntry(uint32_t tag, const T (&data)[size])
{
return addEntry(tag, data, size, sizeof(T));
}
template<typename S,
typename T = typename S::value_type>
bool addEntry(uint32_t tag, const S &data)
{
return addEntry(tag, data.data(), data.size(), sizeof(T));
}
template<typename T>
bool addEntry(uint32_t tag, const T *data, size_t count)
{
return addEntry(tag, data, count, sizeof(T));
}
template<typename T>
bool updateEntry(uint32_t tag, const T &data)
{
return updateEntry(tag, &data, 1);
}
template<typename T, size_t size>
bool updateEntry(uint32_t tag, const T (&data)[size])
{
return updateEntry(tag, data, size, sizeof(T));
}
template<typename S,
typename T = typename S::value_type>
bool updateEntry(uint32_t tag, const S &data)
{
return updateEntry(tag, data.data(), data.size());
}
bool addEntry(uint32_t tag, const void *data, size_t count,
size_t elementSize);
bool updateEntry(uint32_t tag, const void *data, size_t count);
camera_metadata_t *get();
const camera_metadata_t *get() const;
private:
camera_metadata_t *metadata_;
bool valid_;
};
#endif /* __ANDROID_CAMERA_METADATA_H__ */
|
