include/ExynosExif.h

   1 /*
   2  * Copyright Samsung Electronics Co.,LTD.
   3  * Copyright (C) 2015 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
  18 // To prevent build conflict with the previous libhwjpeg
  19 #ifdef USES_UNIVERSAL_LIBHWJPEG
  20
  21 #ifndef __HARDWARE_EXYNOS_EXYNOS_EXIF_H__
  22 #define __HARDWARE_EXYNOS_EXYNOS_EXIF_H__
  23
  24 #include <math.h>
  25
  26 #include <sys/types.h>
  27
  28 #define EXIF_LOG2(x)                    (log((double)(x)) / log(2.0))
  29 #define APEX_FNUM_TO_APERTURE(x)        ((EXIF_LOG2((double)(x))) * 2.0)
  30 #define APEX_EXPOSURE_TO_SHUTTER(x)     ((x) >= 1 ?                                 \
  31                                         (int)(-(EXIF_LOG2((double)(x)) + 0.5)) :    \
  32                                         (int)(-(EXIF_LOG2((double)(x)) - 0.5)))
  33 #define APEX_ISO_TO_FILMSENSITIVITY(x)  ((int)(EXIF_LOG2((x) / 3.125) + 0.5))
  34
  35 #define NUM_SIZE                    2
  36 #define IFD_SIZE                    12
  37 #define OFFSET_SIZE                 4
  38 #define EXIF_INFO_LIMIT_SIZE        12288
  39
  40 #define NUM_0TH_IFD_TIFF            10
  41 #define NUM_0TH_IFD_EXIF            29
  42 #define NUM_0TH_IFD_INTEROPERABILITY (2)
  43 #define NUM_0TH_IFD_GPS             10
  44 #define NUM_1TH_IFD_TIFF            9
  45
  46 /* Type */
  47 #define EXIF_TYPE_BYTE              1
  48 #define EXIF_TYPE_ASCII             2
  49 #define EXIF_TYPE_SHORT             3
  50 #define EXIF_TYPE_LONG              4
  51 #define EXIF_TYPE_RATIONAL          5
  52 #define EXIF_TYPE_UNDEFINED         7
  53 #define EXIF_TYPE_SLONG             9
  54 #define EXIF_TYPE_SRATIONAL         10
  55
  56 #define EXIF_FILE_SIZE              28800
  57
  58 /* 0th IFD TIFF Tags */
  59 #define EXIF_TAG_IMAGE_WIDTH                    0x0100
  60 #define EXIF_TAG_IMAGE_HEIGHT                   0x0101
  61 #define EXIF_TAG_MAKE                           0x010f
  62 #define EXIF_TAG_MODEL                          0x0110
  63 #define EXIF_TAG_ORIENTATION                    0x0112
  64 #define EXIF_TAG_SOFTWARE                       0x0131
  65 #define EXIF_TAG_DATE_TIME                      0x0132
  66 #define EXIF_TAG_YCBCR_POSITIONING              0x0213
  67 #define EXIF_TAG_EXIF_IFD_POINTER               0x8769
  68 #define EXIF_TAG_GPS_IFD_POINTER                0x8825
  69
  70 /* 0th IFD Exif Private Tags */
  71 #define EXIF_TAG_EXPOSURE_TIME                  0x829A
  72 #define EXIF_TAG_FNUMBER                        0x829D
  73 #define EXIF_TAG_EXPOSURE_PROGRAM               0x8822
  74 #define EXIF_TAG_ISO_SPEED_RATING               0x8827
  75 #define EXIF_TAG_EXIF_VERSION                   0x9000
  76 #define EXIF_TAG_DATE_TIME_ORG                  0x9003
  77 #define EXIF_TAG_DATE_TIME_DIGITIZE             0x9004
  78 #define EXIF_TAG_SHUTTER_SPEED                  0x9201
  79 #define EXIF_TAG_APERTURE                       0x9202
  80 #define EXIF_TAG_BRIGHTNESS                     0x9203
  81 #define EXIF_TAG_EXPOSURE_BIAS                  0x9204
  82 #define EXIF_TAG_MAX_APERTURE                   0x9205
  83 #define EXIF_TAG_METERING_MODE                  0x9207
  84 #define EXIF_TAG_FLASH                          0x9209
  85 #define EXIF_TAG_FOCAL_LENGTH                   0x920A
  86 #define EXIF_TAG_MAKER_NOTE                     0x927C
  87 #define EXIF_TAG_USER_COMMENT                   0x9286
  88 #define EXIF_TAG_SUBSEC_TIME                    0x9290
  89 #define EXIF_TAG_SUBSEC_TIME_ORIG               0x9291
  90 #define EXIF_TAG_SUBSEC_TIME_DIG                0x9292
  91 #define EXIF_TAG_COLOR_SPACE                    0xA001
  92 #define EXIF_TAG_PIXEL_X_DIMENSION              0xA002
  93 #define EXIF_TAG_PIXEL_Y_DIMENSION              0xA003
  94 #define EXIF_TAG_RELATED_SOUND_FILE             0xA004
  95 #define EXIF_TAG_INTEROPERABILITY               0xA005
  96 #define EXIF_TAG_EXPOSURE_MODE                  0xA402
  97 #define EXIF_TAG_WHITE_BALANCE                  0xA403
  98 #define EXIF_TAG_FOCA_LENGTH_IN_35MM_FILM       0xA405
  99 #define EXIF_TAG_SCENCE_CAPTURE_TYPE            0xA406
 100 #define EXIF_TAG_IMAGE_UNIQUE_ID                0xA420
 101
 102 /* 0th IFD Interoperability Info Tags */
 103 #define EXIF_TAG_INTEROPERABILITY_INDEX         0x0001
 104 #define EXIF_TAG_INTEROPERABILITY_VERSION       0x0002
 105
 106 /* 0th IFD GPS Info Tags */
 107 #define EXIF_TAG_GPS_VERSION_ID                 0x0000
 108 #define EXIF_TAG_GPS_LATITUDE_REF               0x0001
 109 #define EXIF_TAG_GPS_LATITUDE                   0x0002
 110 #define EXIF_TAG_GPS_LONGITUDE_REF              0x0003
 111 #define EXIF_TAG_GPS_LONGITUDE                  0x0004
 112 #define EXIF_TAG_GPS_ALTITUDE_REF               0x0005
 113 #define EXIF_TAG_GPS_ALTITUDE                   0x0006
 114 #define EXIF_TAG_GPS_TIMESTAMP                  0x0007
 115 #define EXIF_TAG_GPS_PROCESSING_METHOD          0x001B
 116 #define EXIF_TAG_GPS_DATESTAMP                  0x001D
 117
 118 /* 1th IFD TIFF Tags */
 119 #define EXIF_TAG_COMPRESSION_SCHEME             0x0103
 120 #define EXIF_TAG_X_RESOLUTION                   0x011A
 121 #define EXIF_TAG_Y_RESOLUTION                   0x011B
 122 #define EXIF_TAG_RESOLUTION_UNIT                0x0128
 123 #define EXIF_TAG_JPEG_INTERCHANGE_FORMAT        0x0201
 124 #define EXIF_TAG_JPEG_INTERCHANGE_FORMAT_LEN    0x0202
 125
 126 typedef enum {
 127     EXIF_ORIENTATION_UP     = 1,
 128     EXIF_ORIENTATION_90     = 6,
 129     EXIF_ORIENTATION_180    = 3,
 130     EXIF_ORIENTATION_270    = 8,
 131 } ExifOrientationType;
 132
 133 typedef enum {
 134     EXIF_SCENE_STANDARD,
 135     EXIF_SCENE_LANDSCAPE,
 136     EXIF_SCENE_PORTRAIT,
 137     EXIF_SCENE_NIGHT,
 138 } CamExifSceneCaptureType;
 139
 140 typedef enum {
 141     EXIF_METERING_UNKNOWN,
 142     EXIF_METERING_AVERAGE,
 143     EXIF_METERING_CENTER,
 144     EXIF_METERING_SPOT,
 145     EXIF_METERING_MULTISPOT,
 146     EXIF_METERING_PATTERN,
 147     EXIF_METERING_PARTIAL,
 148     EXIF_METERING_OTHER     = 255,
 149 } CamExifMeteringModeType;
 150
 151 typedef enum {
 152     EXIF_EXPOSURE_AUTO,
 153     EXIF_EXPOSURE_MANUAL,
 154     EXIF_EXPOSURE_AUTO_BRACKET,
 155 } CamExifExposureModeType;
 156
 157 typedef enum {
 158     EXIF_WB_AUTO,
 159     EXIF_WB_MANUAL,
 160     EXIF_WB_INCANDESCENT,
 161     EXIF_WB_FLUORESCENT,
 162     EXIF_WB_DAYLIGHT,
 163     EXIF_WB_CLOUDY,
 164 } CamExifWhiteBalanceType;
 165
 166 /* Values */
 167 #define EXIF_DEF_MAKER          "Samsung Electronics Co., Ltd."    /* testJpegExif on the CTS test. This should match Build.MANUFACTURER  */
 168 #define EXIF_DEF_MODEL          "SAMSUNG"
 169 #define EXIF_DEF_SOFTWARE       "SAMSUNG"
 170 #define EXIF_DEF_EXIF_VERSION   "0220"
 171 #define EXIF_DEF_USERCOMMENTS   "User comments"
 172
 173 #define EXIF_DEF_YCBCR_POSITIONING  1   /* centered */
 174 #define EXIF_DEF_EXPOSURE_MANUAL    1   /* manual program */
 175 #define EXIF_DEF_EXPOSURE_PROGRAM   2   /* normal program */
 176 #define EXIF_DEF_FLASH              0   /* O: off, 1: on*/
 177 #define EXIF_DEF_COLOR_SPACE        1
 178 #define EXIF_DEF_INTEROPERABILITY  (0)
 179 #define EXIF_DEF_EXPOSURE_MODE      EXIF_EXPOSURE_AUTO
 180 #define EXIF_DEF_APEX_DEN          (100)
 181
 182 #define EXIF_DEF_COMPRESSION        6
 183 #define EXIF_DEF_RESOLUTION_NUM     72
 184 #define EXIF_DEF_RESOLUTION_DEN     1
 185 #define EXIF_DEF_RESOLUTION_UNIT    2   /* inches */
 186
 187 #define APP_MARKER_4                4
 188 #define APP_MARKER_5                5
 189
 190 typedef struct {
 191     uint32_t num;
 192     uint32_t den;
 193 } rational_t;
 194
 195 typedef struct {
 196     int32_t num;
 197     int32_t den;
 198 } srational_t;
 199
 200 typedef struct {
 201     bool enableGps;
 202     bool enableThumb;
 203
 204     char maker[32];
 205     char model[32];
 206     char software[32];
 207     char exif_version[4];
 208     char date_time[20];
 209     char sec_time[5];
 210     unsigned int  maker_note_size;
 211     unsigned char *maker_note;
 212     unsigned int  user_comment_size;
 213     unsigned char *user_comment;
 214
 215     uint32_t width;
 216     uint32_t height;
 217     uint32_t widthThumb;
 218     uint32_t heightThumb;
 219
 220     uint16_t orientation;
 221     uint16_t ycbcr_positioning;
 222     uint16_t exposure_program;
 223     uint16_t iso_speed_rating;
 224     uint16_t metering_mode;
 225     uint16_t flash;
 226     uint16_t color_space;
 227     uint16_t interoperability_index;
 228
 229     uint16_t exposure_mode;
 230     uint16_t white_balance;
 231     uint16_t focal_length_in_35mm_length;
 232     uint16_t scene_capture_type;
 233     char unique_id[30];
 234
 235     rational_t exposure_time;
 236     rational_t fnumber;
 237     rational_t aperture;
 238     rational_t max_aperture;
 239     rational_t focal_length;
 240
 241     srational_t shutter_speed;
 242     srational_t brightness;
 243     srational_t exposure_bias;
 244
 245     char gps_latitude_ref[2];
 246     char gps_longitude_ref[2];
 247
 248     uint8_t gps_version_id[4];
 249     uint8_t gps_altitude_ref;
 250
 251     rational_t gps_latitude[3];
 252     rational_t gps_longitude[3];
 253     rational_t gps_altitude;
 254     rational_t gps_timestamp[3];
 255     char gps_datestamp[11];
 256     char gps_processing_method[100];
 257
 258     rational_t x_resolution;
 259     rational_t y_resolution;
 260     uint16_t resolution_unit;
 261     uint16_t compression_scheme;
 262 } exif_attribute_t;
 263
 264 typedef struct {
 265     int num_of_appmarker; /* number of app marker */
 266     int idx[15][1]; /* idx[number_of_appmarker][appmarker_number] */
 267     char *debugData[15]; /* 0-base */
 268     unsigned int debugSize[15];
 269 } debug_attribute_t;
 270
 271 bool UpdateDebugData(char *jpeg, size_t jpeglen, debug_attribute_t *debug);
 272 bool UpdateExif(char *jpeg, size_t jpeglen, exif_attribute_t *exif);
 273
 274 #endif /* __HARDWARE_EXYNOS_EXYNOS_EXIF_H__ */
 275
 276 #endif //USES_UNIVERSAL_LIBHWJPEG