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
|
/*
* Copyright Samsung Electronics Co.,LTD.
* Copyright (C) 2010 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.
*/
#ifndef ANDROID_HARDWARE_EXIF_H
#define ANDROID_HARDWARE_EXIF_H
#include <math.h>
#define EXIF_LOG2(x) (log((double)(x)) / log(2.0))
#define APEX_FNUM_TO_APERTURE(x) ((int)(EXIF_LOG2((double)(x)) * 2 + 0.5))
#define APEX_EXPOSURE_TO_SHUTTER(x) ((x) >= 1 ? \
(int)(-(EXIF_LOG2((double)(x)) + 0.5)) : \
(int)(-(EXIF_LOG2((double)(x)) - 0.5)))
#define APEX_ISO_TO_FILMSENSITIVITY(x) ((int)(EXIF_LOG2((x) / 3.125) + 0.5))
#define NUM_SIZE 2
#define IFD_SIZE 12
#define OFFSET_SIZE 4
#define NUM_0TH_IFD_TIFF 10
#define NUM_0TH_IFD_EXIF 22
#define NUM_0TH_IFD_GPS 10
#define NUM_1TH_IFD_TIFF 9
/* Type */
#define EXIF_TYPE_BYTE 1
#define EXIF_TYPE_ASCII 2
#define EXIF_TYPE_SHORT 3
#define EXIF_TYPE_LONG 4
#define EXIF_TYPE_RATIONAL 5
#define EXIF_TYPE_UNDEFINED 7
#define EXIF_TYPE_SLONG 9
#define EXIF_TYPE_SRATIONAL 10
#define EXIF_FILE_SIZE 28800
/* 0th IFD TIFF Tags */
#define EXIF_TAG_IMAGE_WIDTH 0x0100
#define EXIF_TAG_IMAGE_HEIGHT 0x0101
#define EXIF_TAG_MAKE 0x010f
#define EXIF_TAG_MODEL 0x0110
#define EXIF_TAG_ORIENTATION 0x0112
#define EXIF_TAG_SOFTWARE 0x0131
#define EXIF_TAG_DATE_TIME 0x0132
#define EXIF_TAG_YCBCR_POSITIONING 0x0213
#define EXIF_TAG_EXIF_IFD_POINTER 0x8769
#define EXIF_TAG_GPS_IFD_POINTER 0x8825
/* 0th IFD Exif Private Tags */
#define EXIF_TAG_EXPOSURE_TIME 0x829A
#define EXIF_TAG_FNUMBER 0x829D
#define EXIF_TAG_EXPOSURE_PROGRAM 0x8822
#define EXIF_TAG_ISO_SPEED_RATING 0x8827
#define EXIF_TAG_EXIF_VERSION 0x9000
#define EXIF_TAG_DATE_TIME_ORG 0x9003
#define EXIF_TAG_DATE_TIME_DIGITIZE 0x9004
#define EXIF_TAG_SHUTTER_SPEED 0x9201
#define EXIF_TAG_APERTURE 0x9202
#define EXIF_TAG_BRIGHTNESS 0x9203
#define EXIF_TAG_EXPOSURE_BIAS 0x9204
#define EXIF_TAG_MAX_APERTURE 0x9205
#define EXIF_TAG_METERING_MODE 0x9207
#define EXIF_TAG_FLASH 0x9209
#define EXIF_TAG_FOCAL_LENGTH 0x920A
#define EXIF_TAG_USER_COMMENT 0x9286
#define EXIF_TAG_COLOR_SPACE 0xA001
#define EXIF_TAG_PIXEL_X_DIMENSION 0xA002
#define EXIF_TAG_PIXEL_Y_DIMENSION 0xA003
#define EXIF_TAG_EXPOSURE_MODE 0xA402
#define EXIF_TAG_WHITE_BALANCE 0xA403
#define EXIF_TAG_SCENCE_CAPTURE_TYPE 0xA406
/* 0th IFD GPS Info Tags */
#define EXIF_TAG_GPS_VERSION_ID 0x0000
#define EXIF_TAG_GPS_LATITUDE_REF 0x0001
#define EXIF_TAG_GPS_LATITUDE 0x0002
#define EXIF_TAG_GPS_LONGITUDE_REF 0x0003
#define EXIF_TAG_GPS_LONGITUDE 0x0004
#define EXIF_TAG_GPS_ALTITUDE_REF 0x0005
#define EXIF_TAG_GPS_ALTITUDE 0x0006
#define EXIF_TAG_GPS_TIMESTAMP 0x0007
#define EXIF_TAG_GPS_PROCESSING_METHOD 0x001B
#define EXIF_TAG_GPS_DATESTAMP 0x001D
/* 1th IFD TIFF Tags */
#define EXIF_TAG_COMPRESSION_SCHEME 0x0103
#define EXIF_TAG_X_RESOLUTION 0x011A
#define EXIF_TAG_Y_RESOLUTION 0x011B
#define EXIF_TAG_RESOLUTION_UNIT 0x0128
#define EXIF_TAG_JPEG_INTERCHANGE_FORMAT 0x0201
#define EXIF_TAG_JPEG_INTERCHANGE_FORMAT_LEN 0x0202
typedef enum {
EXIF_ORIENTATION_UP = 1,
EXIF_ORIENTATION_90 = 6,
EXIF_ORIENTATION_180 = 3,
EXIF_ORIENTATION_270 = 8,
} ExifOrientationType;
typedef enum {
EXIF_SCENE_STANDARD,
EXIF_SCENE_LANDSCAPE,
EXIF_SCENE_PORTRAIT,
EXIF_SCENE_NIGHT,
} CamExifSceneCaptureType;
typedef enum {
EXIF_METERING_UNKNOWN,
EXIF_METERING_AVERAGE,
EXIF_METERING_CENTER,
EXIF_METERING_SPOT,
EXIF_METERING_MULTISPOT,
EXIF_METERING_PATTERN,
EXIF_METERING_PARTIAL,
EXIF_METERING_OTHER = 255,
} CamExifMeteringModeType;
typedef enum {
EXIF_EXPOSURE_AUTO,
EXIF_EXPOSURE_MANUAL,
EXIF_EXPOSURE_AUTO_BRACKET,
} CamExifExposureModeType;
typedef enum {
EXIF_WB_AUTO,
EXIF_WB_MANUAL,
} CamExifWhiteBalanceType;
/* Values */
#define EXIF_DEF_MAKER "SAMSUNG"
#define EXIF_DEF_MODEL "GT-I9020"
#define EXIF_DEF_SOFTWARE "CRESPOJH2"
#define EXIF_DEF_EXIF_VERSION "0220"
#define EXIF_DEF_USERCOMMENTS "User comments"
#define EXIF_DEF_YCBCR_POSITIONING 1 /* centered */
#define EXIF_DEF_FNUMBER_NUM 26 /* 2.6 */
#define EXIF_DEF_FNUMBER_DEN 10
#define EXIF_DEF_EXPOSURE_PROGRAM 3 /* aperture priority */
#define EXIF_DEF_FOCAL_LEN_NUM 278 /* 2.78mm */
#define EXIF_DEF_FOCAL_LEN_DEN 100
#define EXIF_DEF_FLASH 0 /* O: off, 1: on*/
#define EXIF_DEF_COLOR_SPACE 1
#define EXIF_DEF_EXPOSURE_MODE EXIF_EXPOSURE_AUTO
#define EXIF_DEF_APEX_DEN 10
#define EXIF_DEF_COMPRESSION 6
#define EXIF_DEF_RESOLUTION_NUM 72
#define EXIF_DEF_RESOLUTION_DEN 1
#define EXIF_DEF_RESOLUTION_UNIT 2 /* inches */
typedef struct {
uint32_t num;
uint32_t den;
} rational_t;
typedef struct {
int32_t num;
int32_t den;
} srational_t;
typedef struct {
bool enableGps;
bool enableThumb;
unsigned char maker[32];
unsigned char model[32];
unsigned char software[32];
unsigned char exif_version[4];
unsigned char date_time[20];
unsigned char user_comment[150];
uint32_t width;
uint32_t height;
uint32_t widthThumb;
uint32_t heightThumb;
uint16_t orientation;
uint16_t ycbcr_positioning;
uint16_t exposure_program;
uint16_t iso_speed_rating;
uint16_t metering_mode;
uint16_t flash;
uint16_t color_space;
uint16_t exposure_mode;
uint16_t white_balance;
uint16_t scene_capture_type;
rational_t exposure_time;
rational_t fnumber;
rational_t aperture;
rational_t max_aperture;
rational_t focal_length;
srational_t shutter_speed;
srational_t brightness;
srational_t exposure_bias;
unsigned char gps_latitude_ref[2];
unsigned char gps_longitude_ref[2];
uint8_t gps_version_id[4];
uint8_t gps_altitude_ref;
rational_t gps_latitude[3];
rational_t gps_longitude[3];
rational_t gps_altitude;
rational_t gps_timestamp[3];
unsigned char gps_datestamp[11];
unsigned char gps_processing_method[100];
rational_t x_resolution;
rational_t y_resolution;
uint16_t resolution_unit;
uint16_t compression_scheme;
} exif_attribute_t;
#endif /* ANDROID_HARDWARE_EXIF_H */
|
