| /* |
| * Copyright Samsung Electronics Co.,LTD. |
| * Copyright (C) 2010 The Android Open Source Project |
| * Copyright (C) 2016-2020 Intel Corporation |
| * |
| * 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. |
| */ |
| |
| #pragma once |
| |
| #include <math.h> |
| |
| #define EXIF_LOG2(x) (log((double)(x)) / log(2.0)) |
| #define APEX_FNUM_TO_APERTURE(x) (2 * (EXIF_LOG2((double)(x)))) |
| #define APEX_EXPOSURE_TO_SHUTTER(x) (-1.0 * (EXIF_LOG2((double)(x)))) |
| #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 14 |
| #define NUM_0TH_IFD_EXIF 36 |
| #define NUM_0TH_IFD_GPS 12 |
| #define NUM_1TH_IFD_TIFF 9 |
| // For QVGA: 320 * 240 * 1.5 |
| #define EXIF_SIZE_LIMITATION 0x10000 |
| // Limite the thumbnail size to 32k, to make sure the whole exif size does |
| // not exceed the exif size limitation. We guess the total size of all the |
| // other fields is smaller than 32k. (Currently the size is about 26k.) |
| #define THUMBNAIL_SIZE_LIMITATION 0x8000 |
| |
| /* 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_IMAGE_DESCRIPTION 0x010e |
| #define EXIF_TAG_MAKE 0x010f |
| #define EXIF_TAG_MODEL 0x0110 |
| #define EXIF_TAG_ORIENTATION 0x0112 |
| #define EXIF_TAG_X_RESOLUTION 0x011A |
| #define EXIF_TAG_Y_RESOLUTION 0x011B |
| #define EXIF_TAG_RESOLUTION_UNIT 0x0128 |
| #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_COMPONENTS_CONFIGURATION 0x9101 |
| #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_SUBJECT_DISTANCE 0x9206 |
| #define EXIF_TAG_METERING_MODE 0x9207 |
| #define EXIF_TAG_LIGHT_SOURCE 0x9208 |
| #define EXIF_TAG_FLASH 0x9209 |
| #define EXIF_TAG_FOCAL_LENGTH 0x920A |
| #define EXIF_TAG_MAKER_NOTE 0x927C |
| #define EXIF_TAG_USER_COMMENT 0x9286 |
| #define EXIF_TAG_SUBSEC_TIME 0x9290 |
| #define EXIF_TAG_SUBSEC_TIME_ORIG 0x9291 |
| #define EXIF_TAG_SUBSEC_TIME_DIG 0x9292 |
| #define EXIF_TAG_FLASH_PIX_VERSION 0xA000 |
| #define EXIF_TAG_COLOR_SPACE 0xA001 |
| #define EXIF_TAG_PIXEL_X_DIMENSION 0xA002 |
| #define EXIF_TAG_PIXEL_Y_DIMENSION 0xA003 |
| #define EXIF_TAG_CUSTOM_RENDERED 0xA401 |
| #define EXIF_TAG_EXPOSURE_MODE 0xA402 |
| #define EXIF_TAG_WHITE_BALANCE 0xA403 |
| #define EXIF_TAG_JPEG_ZOOM_RATIO 0XA404 |
| #define EXIF_TAG_SCENCE_CAPTURE_TYPE 0xA406 |
| #define EXIF_TAG_GAIN_CONTROL 0xA407 |
| #define EXIF_TAG_CONTRAST 0xA408 |
| #define EXIF_TAG_SATURATION 0xA409 |
| #define EXIF_TAG_SHARPNESS 0xA40A |
| |
| /* 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_IMG_DIRECTION_REF 0x0010 |
| #define EXIF_TAG_GPS_IMG_DIRECTION 0x0011 |
| #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; |
| |
| typedef enum { |
| EXIF_LIGHT_SOURCE_UNKNOWN, |
| EXIF_LIGHT_SOURCE_DAYLIGHT, |
| EXIF_LIGHT_SOURCE_FLUORESCENT, |
| EXIF_LIGHT_SOURCE_TUNGSTEN, |
| EXIF_LIGHT_SOURCE_FLASH, |
| EXIF_LIGHT_SOURCE_FINE_WEATHER = 9, |
| EXIF_LIGHT_SOURCE_CLOUDY_WEATHER, |
| EXIF_LIGHT_SOURCE_SHADE, |
| EXIF_LIGHT_SOURCE_DAYLIGHT_FLUORESCENT, |
| EXIF_LIGHT_SOURCE_DAY_WHITE_FLUORESCENT, |
| EXIF_LIGHT_SOURCE_COOL_WHITE_FLUORESCENT, |
| EXIF_LIGHT_SOURCE_WHITE_FLUORESCENT, |
| EXIF_LIGHT_SOURCE_WARM_WHITE_FLUORESCENT, // value 16 is used in EXIF V2.3, not for EXIF V2.2 |
| EXIF_LIGHT_SOURCE_STANDARD_LIGHT_A, |
| EXIF_LIGHT_SOURCE_STANDARD_LIGHT_B, |
| EXIF_LIGHT_SOURCE_STANDARD_LIGHT_C, |
| EXIF_LIGHT_SOURCE_D55, |
| EXIF_LIGHT_SOURCE_D65, |
| EXIF_LIGHT_SOURCE_D75, |
| EXIF_LIGHT_SOURCE_D50, |
| EXIF_LIGHT_SOURCE_ISO_STUDIO_TUNGSTEN, |
| EXIF_LIGHT_SOURCE_OTHER_LIGHT_SOURCE = 255, |
| } CamExifLightSourceType; |
| |
| typedef enum { |
| EXIF_EXPOSURE_PROGRAM_MANUAL = 1, |
| EXIF_EXPOSURE_PROGRAM_NORMAL = 2, |
| EXIF_EXPOSURE_PROGRAM_APERTURE_PRIORITY = 3, |
| EXIF_EXPOSURE_PROGRAM_SHUTTER_PRIORITY = 4 |
| } CamExifExposureProgramType; |
| |
| typedef enum { |
| EXIF_CONTRAST_NORMAL = 0, |
| EXIF_CONTRAST_SOFT = 1, |
| EXIF_CONTRAST_HARD = 2, |
| } CamExifContrastType; |
| |
| typedef enum { |
| EXIF_SATURATION_NORMAL = 0, |
| EXIF_SATURATION_LOW = 1, |
| EXIF_SATURATION_HIGH = 2, |
| } CamExifSaturationType; |
| |
| typedef enum { |
| EXIF_SHARPNESS_NORMAL = 0, |
| EXIF_SHARPNESS_SOFT = 1, |
| EXIF_SHARPNESS_HARD = 2, |
| } CamExifSharpnessType; |
| |
| /* define the flag of enable gps info */ |
| const uint8_t EXIF_GPS_LATITUDE = 0x01; |
| const uint8_t EXIF_GPS_LONGITUDE = 0x02; |
| const uint8_t EXIF_GPS_ALTITUDE = 0x04; |
| const uint8_t EXIF_GPS_TIMESTAMP = 0x08; |
| const uint8_t EXIF_GPS_PROCMETHOD = 0x10; |
| const uint8_t EXIF_GPS_IMG_DIRECTION = 0x20; |
| |
| /* Values */ |
| #define EXIF_DEF_IMAGE_DESCRIPTION "Jpeg" |
| #define EXIF_DEF_SOFTWARE "Android" |
| #define EXIF_DEF_EXIF_VERSION "0220" |
| #define EXIF_DEF_USERCOMMENTS " " |
| #define EXIF_DEF_FLASHPIXVERSION "0100" /* Flashpix Format Version 1.0 */ |
| |
| #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 2780 /* 2.78mm */ |
| #define EXIF_DEF_FOCAL_LEN_DEN 1000 |
| #define EXIF_DEF_FLASH 0 /* O: off, 1: on*/ |
| #define EXIF_FLASH_FORCED_ON 1 << 3; /* mode description */ |
| #define EXIF_FLASH_FORCED_OFF 1 << 4; /* mode description */ |
| #define EXIF_FLASH_AUTO 1 << 3 | 1 << 4; /* mode description */ |
| #define EXIF_FLASH_ON 1 /* O: off, 1: on - fired or not*/ |
| #define EXIF_DEF_COLOR_SPACE 1 |
| #define EXIF_DEF_CUSTOM_RENDERED 0 |
| #define EXIF_CUSTOM_RENDERED_HDR 1 |
| #define EXIF_DEF_EXPOSURE_MODE EXIF_EXPOSURE_AUTO |
| #define EXIF_DEF_APEX_DEN 10 |
| #define EXIF_DEF_APEX_NUM 25 |
| #define EXIF_DEF_SUBJECT_DISTANCE_UNKNOWN 0 |
| |
| #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 enableThumb; |
| |
| uint8_t image_description[32]; |
| uint8_t flashpix_version[4]; |
| uint8_t components_configuration[4]; |
| uint8_t maker[32]; |
| uint8_t model[32]; |
| uint8_t software[32]; |
| uint8_t exif_version[4]; |
| uint8_t date_time[20]; |
| uint8_t subsec_time[8]; |
| uint8_t 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 custom_rendered; |
| uint16_t exposure_mode; |
| uint16_t white_balance; |
| rational_t zoom_ratio; |
| uint16_t scene_capture_type; |
| uint16_t light_source; |
| uint16_t gain_control; |
| uint16_t contrast; |
| uint16_t saturation; |
| uint16_t sharpness; |
| |
| rational_t exposure_time; |
| rational_t fnumber; |
| rational_t aperture; |
| rational_t max_aperture; |
| rational_t focal_length; |
| rational_t subject_distance; |
| |
| srational_t shutter_speed; |
| srational_t brightness; |
| srational_t exposure_bias; |
| |
| // bit 0~4 indicate whether Gps items latitude, longitude, altitude, timestamp, |
| // datastamp exist or not. |
| uint8_t enableGps; |
| uint8_t gps_latitude_ref[2]; |
| uint8_t 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]; |
| uint8_t gps_datestamp[11]; |
| uint8_t gps_processing_method[100]; |
| |
| uint8_t gps_img_direction_ref[2]; |
| rational_t gps_img_direction; |
| |
| rational_t x_resolution; |
| rational_t y_resolution; |
| uint16_t resolution_unit; |
| uint16_t compression_scheme; |
| |
| uint16_t makerNoteDataSize; |
| unsigned char* makerNoteData; |
| bool makernoteToApp2; |
| } exif_attribute_t; |