| /* |
| * 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 */ |
