[GitHub/LineageOS/android_hardware_samsung_slsi_exynos5.git] / libcamera / ExynosExif.h

/*
 * 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 EXYNOS_EXIF_H_
#define EXYNOS_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          "SAMSUNG"
#define EXIF_DEF_SOFTWARE       "SAMSUNG"
#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 /* EXYNOS_EXIF_H_ */
Commit	Line	Data
9426c428 JS	1	/*
	2	* Copyright Samsung Electronics Co.,LTD.
	3	* Copyright (C) 2010 The Android Open Source Project
	4	*
	5	* Licensed under the Apache License, Version 2.0 (the "License");
	6	* you may not use this file except in compliance with the License.
	7	* You may obtain a copy of the License at
	8	*
	9	* http://www.apache.org/licenses/LICENSE-2.0
	10	*
	11	* Unless required by applicable law or agreed to in writing, software
	12	* distributed under the License is distributed on an "AS IS" BASIS,
	13	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	14	* See the License for the specific language governing permissions and
	15	* limitations under the License.
	16	*/
	17	#ifndef EXYNOS_EXIF_H_
	18	#define EXYNOS_EXIF_H_
	19
	20	#include <math.h>
	21
	22	#define EXIF_LOG2(x) (log((double)(x)) / log(2.0))
	23	#define APEX_FNUM_TO_APERTURE(x) ((int)(EXIF_LOG2((double)(x)) * 2 + 0.5))
	24	#define APEX_EXPOSURE_TO_SHUTTER(x) ((x) >= 1 ? \
	25	(int)(-(EXIF_LOG2((double)(x)) + 0.5)) : \
	26	(int)(-(EXIF_LOG2((double)(x)) - 0.5)))
	27	#define APEX_ISO_TO_FILMSENSITIVITY(x) ((int)(EXIF_LOG2((x) / 3.125) + 0.5))
	28
	29	#define NUM_SIZE 2
	30	#define IFD_SIZE 12
	31	#define OFFSET_SIZE 4
	32
	33	#define NUM_0TH_IFD_TIFF 10
	34	#define NUM_0TH_IFD_EXIF 22
	35	#define NUM_0TH_IFD_GPS 10
	36	#define NUM_1TH_IFD_TIFF 9
	37
	38	/* Type */
	39	#define EXIF_TYPE_BYTE 1
	40	#define EXIF_TYPE_ASCII 2
	41	#define EXIF_TYPE_SHORT 3
	42	#define EXIF_TYPE_LONG 4
	43	#define EXIF_TYPE_RATIONAL 5
	44	#define EXIF_TYPE_UNDEFINED 7
	45	#define EXIF_TYPE_SLONG 9
	46	#define EXIF_TYPE_SRATIONAL 10
	47
	48	#define EXIF_FILE_SIZE 28800
	49
	50	/* 0th IFD TIFF Tags */
	51	#define EXIF_TAG_IMAGE_WIDTH 0x0100
	52	#define EXIF_TAG_IMAGE_HEIGHT 0x0101
	53	#define EXIF_TAG_MAKE 0x010f
	54	#define EXIF_TAG_MODEL 0x0110
	55	#define EXIF_TAG_ORIENTATION 0x0112
	56	#define EXIF_TAG_SOFTWARE 0x0131
	57	#define EXIF_TAG_DATE_TIME 0x0132
	58	#define EXIF_TAG_YCBCR_POSITIONING 0x0213
	59	#define EXIF_TAG_EXIF_IFD_POINTER 0x8769
	60	#define EXIF_TAG_GPS_IFD_POINTER 0x8825
	61
	62	/* 0th IFD Exif Private Tags */
	63	#define EXIF_TAG_EXPOSURE_TIME 0x829A
	64	#define EXIF_TAG_FNUMBER 0x829D
65	#define EXIF_TAG_EXPOSURE_PROGRAM 0x8822
66	#define EXIF_TAG_ISO_SPEED_RATING 0x8827
67	#define EXIF_TAG_EXIF_VERSION 0x9000
68	#define EXIF_TAG_DATE_TIME_ORG 0x9003
69	#define EXIF_TAG_DATE_TIME_DIGITIZE 0x9004
70	#define EXIF_TAG_SHUTTER_SPEED 0x9201
71	#define EXIF_TAG_APERTURE 0x9202
72	#define EXIF_TAG_BRIGHTNESS 0x9203
73	#define EXIF_TAG_EXPOSURE_BIAS 0x9204
74	#define EXIF_TAG_MAX_APERTURE 0x9205
75	#define EXIF_TAG_METERING_MODE 0x9207
76	#define EXIF_TAG_FLASH 0x9209
77	#define EXIF_TAG_FOCAL_LENGTH 0x920A
78	#define EXIF_TAG_USER_COMMENT 0x9286
79	#define EXIF_TAG_COLOR_SPACE 0xA001
80	#define EXIF_TAG_PIXEL_X_DIMENSION 0xA002
81	#define EXIF_TAG_PIXEL_Y_DIMENSION 0xA003
82	#define EXIF_TAG_EXPOSURE_MODE 0xA402
83	#define EXIF_TAG_WHITE_BALANCE 0xA403
84	#define EXIF_TAG_SCENCE_CAPTURE_TYPE 0xA406
85
86	/* 0th IFD GPS Info Tags */
87	#define EXIF_TAG_GPS_VERSION_ID 0x0000
88	#define EXIF_TAG_GPS_LATITUDE_REF 0x0001
89	#define EXIF_TAG_GPS_LATITUDE 0x0002
90	#define EXIF_TAG_GPS_LONGITUDE_REF 0x0003
91	#define EXIF_TAG_GPS_LONGITUDE 0x0004
92	#define EXIF_TAG_GPS_ALTITUDE_REF 0x0005
93	#define EXIF_TAG_GPS_ALTITUDE 0x0006
94	#define EXIF_TAG_GPS_TIMESTAMP 0x0007
95	#define EXIF_TAG_GPS_PROCESSING_METHOD 0x001B
96	#define EXIF_TAG_GPS_DATESTAMP 0x001D
97
98	/* 1th IFD TIFF Tags */
99	#define EXIF_TAG_COMPRESSION_SCHEME 0x0103
100	#define EXIF_TAG_X_RESOLUTION 0x011A
101	#define EXIF_TAG_Y_RESOLUTION 0x011B
102	#define EXIF_TAG_RESOLUTION_UNIT 0x0128
103	#define EXIF_TAG_JPEG_INTERCHANGE_FORMAT 0x0201
104	#define EXIF_TAG_JPEG_INTERCHANGE_FORMAT_LEN 0x0202
105
106	typedef enum {
107	EXIF_ORIENTATION_UP = 1,
108	EXIF_ORIENTATION_90 = 6,
109	EXIF_ORIENTATION_180 = 3,
110	EXIF_ORIENTATION_270 = 8,
111	} ExifOrientationType;
112
113	typedef enum {
114	EXIF_SCENE_STANDARD,
115	EXIF_SCENE_LANDSCAPE,
116	EXIF_SCENE_PORTRAIT,
117	EXIF_SCENE_NIGHT,
118	} CamExifSceneCaptureType;
119
120	typedef enum {
121	EXIF_METERING_UNKNOWN,
122	EXIF_METERING_AVERAGE,
123	EXIF_METERING_CENTER,
124	EXIF_METERING_SPOT,
125	EXIF_METERING_MULTISPOT,
126	EXIF_METERING_PATTERN,
127	EXIF_METERING_PARTIAL,
128	EXIF_METERING_OTHER = 255,
129	} CamExifMeteringModeType;
130
131	typedef enum {
132	EXIF_EXPOSURE_AUTO,
133	EXIF_EXPOSURE_MANUAL,
134	EXIF_EXPOSURE_AUTO_BRACKET,
135	} CamExifExposureModeType;
136
137	typedef enum {
138	EXIF_WB_AUTO,
139	EXIF_WB_MANUAL,
140	} CamExifWhiteBalanceType;
141
142	/* Values */
143	#define EXIF_DEF_MAKER "SAMSUNG"
144	#define EXIF_DEF_MODEL "SAMSUNG"
145	#define EXIF_DEF_SOFTWARE "SAMSUNG"
146	#define EXIF_DEF_EXIF_VERSION "0220"
147	#define EXIF_DEF_USERCOMMENTS "User comments"
148
149	#define EXIF_DEF_YCBCR_POSITIONING 1 /* centered */
150	#define EXIF_DEF_FNUMBER_NUM 26 /* 2.6 */
151	#define EXIF_DEF_FNUMBER_DEN 10
152	#define EXIF_DEF_EXPOSURE_PROGRAM 3 /* aperture priority */
153	#define EXIF_DEF_FOCAL_LEN_NUM 278 /* 2.78mm */
154	#define EXIF_DEF_FOCAL_LEN_DEN 100
155	#define EXIF_DEF_FLASH 0 /* O: off, 1: on*/
156	#define EXIF_DEF_COLOR_SPACE 1
157	#define EXIF_DEF_EXPOSURE_MODE EXIF_EXPOSURE_AUTO
158	#define EXIF_DEF_APEX_DEN 10
159
160	#define EXIF_DEF_COMPRESSION 6
161	#define EXIF_DEF_RESOLUTION_NUM 72
162	#define EXIF_DEF_RESOLUTION_DEN 1
163	#define EXIF_DEF_RESOLUTION_UNIT 2 /* inches */
164
165	typedef struct {
166	uint32_t num;
167	uint32_t den;
168	} rational_t;
169
170	typedef struct {
171	int32_t num;
172	int32_t den;
173	} srational_t;
174
175	typedef struct {
176	bool enableGps;
177	bool enableThumb;
178
179	unsigned char maker[32];
180	unsigned char model[32];
181	unsigned char software[32];
182	unsigned char exif_version[4];
183	unsigned char date_time[20];
184	unsigned char user_comment[150];
185
186	uint32_t width;
187	uint32_t height;
188	uint32_t widthThumb;
189	uint32_t heightThumb;
190
191	uint16_t orientation;
192	uint16_t ycbcr_positioning;
193	uint16_t exposure_program;
194	uint16_t iso_speed_rating;
195	uint16_t metering_mode;
196	uint16_t flash;
197	uint16_t color_space;
198	uint16_t exposure_mode;
199	uint16_t white_balance;
200	uint16_t scene_capture_type;
201
202	rational_t exposure_time;
203	rational_t fnumber;
204	rational_t aperture;
205	rational_t max_aperture;
206	rational_t focal_length;
207
208	srational_t shutter_speed;
209	srational_t brightness;
210	srational_t exposure_bias;
211
212	unsigned char gps_latitude_ref[2];
213	unsigned char gps_longitude_ref[2];
214
215	uint8_t gps_version_id[4];
216	uint8_t gps_altitude_ref;
217
218	rational_t gps_latitude[3];
219	rational_t gps_longitude[3];
220	rational_t gps_altitude;
221	rational_t gps_timestamp[3];
222	unsigned char gps_datestamp[11];
223	unsigned char gps_processing_method[100];
224
225	rational_t x_resolution;
226	rational_t y_resolution;
227	uint16_t resolution_unit;
228	uint16_t compression_scheme;
229	} exif_attribute_t;
230
231	#endif /* EXYNOS_EXIF_H_ */