/* * Copyright Samsung Electronics Co.,LTD. * Copyright (C) 2010 The Android Open Source Project * Copyright (C) 2011-2017 Intel Corporation * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd * * 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 _EXIF_H_ #define _EXIF_H_ #include #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 NAMESPACE_DECLARATION { 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 "ChromeOS" #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 278 /* 2.78mm */ #define EXIF_DEF_FOCAL_LEN_DEN 100 #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_DEF_EXPOSURE_MODE EXIF_EXPOSURE_AUTO #define EXIF_DEF_APEX_DEN 10 #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[5]; uint8_t components_configuration[4]; uint8_t maker[32]; uint8_t model[32]; uint8_t software[32]; uint8_t exif_version[5]; 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; } exif_attribute_t; } NAMESPACE_DECLARATION_END #endif /* _EXIF_H_ */