| /* |
| * Copyright 2008, The Android Open Source Project |
| * Copyright 2013, Samsung 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. |
| */ |
| |
| /*! |
| * \file Exif.h |
| * \brief source file for Android Camera Ext HAL |
| * \author teahyung kim (tkon.kim@samsung.com) |
| * \date 2013/04/30 |
| * |
| */ |
| |
| #ifndef ANDROID_HARDWARE_EXIF_H |
| #define ANDROID_HARDWARE_EXIF_H |
| |
| #include <math.h> |
| |
| #define EXIF_LOG2(x) (log((double)(x))/log(2.0)) |
| #define ROUND(x, y) ((x) >= 0 ? \ |
| ((x)*(double)pow(10.0, y) + 0.5)/(double)pow(10.0, y) : \ |
| ((x)*(double)pow(10.0, y) - 0.5)/(double)pow(10.0, y)) |
| #define APEX_FNUM_TO_APERTURE(x) ROUND(EXIF_LOG2((double)x)*2, 2) |
| #define APEX_EXPOSURE_TO_SHUTTER(x) ROUND(EXIF_LOG2((double)x), 2) |
| #define APEX_ISO_TO_FILMSENSITIVITY(x) ROUND(EXIF_LOG2((x)/3.125), 2) |
| #define APEX_SHUTTER_TO_EXPOSURE(x) ROUND((double)pow(2.0, x), 0) |
| |
| #define NUM_SIZE 2 |
| #define IFD_SIZE 12 |
| #define OFFSET_SIZE 4 |
| |
| /* 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_MAX_LEN 0x18000 |
| |
| /* 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_LIGHT_SOURCE 0x9208 |
| #define EXIF_TAG_FLASH 0x9209 |
| #define EXIF_TAG_FOCAL_LENGTH 0x920A |
| #define EXIF_TAG_FOCAL_35mm_LENGTH 0xA405 |
| #define EXIF_TAG_DIGITAL_ZOOM_RATIO 0xA404 |
| #define EXIF_TAG_USER_COMMENT 0x9286 |
| #define EXIF_TAG_COLOR_SPACE 0xA001 |
| #define EXIF_TAG_SENSING_METHOD 0xA217 |
| #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 |
| #define EXIF_TAG_IMAGE_UNIQUE_ID 0xA420 |
| #define EXIF_TAG_CONTINUOUS_SHOT_INFO 0x000B |
| |
| /* 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 |
| |
| namespace android { |
| 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_EXP_PROGRAM_NOT_DEFINE, |
| EXIF_EXP_PROGRAM_MANUAL, |
| EXIF_EXP_PROGRAM_NORMAL_PROGRAM, |
| EXIF_EXP_PROGRAM_APERTURE_PRIO, |
| EXIF_EXP_PROGRAM_SHUTTER_PRIO, |
| EXIF_EXP_PROGRAM_CREATIVE_PROGRAM, |
| EXIF_EXP_PROGRAM_ACTION_PROGRAM, |
| EXIF_EXP_PROGRAM_PORTRAIT_MODE, |
| EXIF_EXP_PROGRAM_LANDSCAPE_MODE, |
| } CamExifExposureProgramType; |
| |
| enum { |
| CAMERA_TYPE_SOC, |
| CAMERA_TYPE_ISP, |
| }; |
| |
| typedef struct { |
| uint32_t num; |
| uint32_t den; |
| } rational_t; |
| |
| typedef struct { |
| int32_t num; |
| int32_t den; |
| } srational_t; |
| |
| typedef struct { |
| bool enableGps; |
| |
| 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[128]; |
| unsigned char unique_id[12]; |
| |
| uint32_t width; |
| uint32_t height; |
| uint32_t widthThumb; |
| uint32_t heightThumb; |
| uint32_t cShotInfo; |
| |
| uint16_t orientation; |
| uint16_t ycbcr_positioning; |
| uint16_t exposure_program; |
| uint16_t iso_speed_rating; |
| uint16_t metering_mode; |
| uint16_t light_source; |
| uint16_t flash; |
| uint16_t color_space; |
| uint16_t exposure_mode; |
| uint16_t white_balance; |
| uint16_t scene_capture_type; |
| uint16_t focal_35mm_length; |
| uint16_t sensing_method; |
| |
| rational_t exposure_time; |
| rational_t fnumber; |
| rational_t aperture; |
| rational_t max_aperture; |
| rational_t focal_length; |
| rational_t digital_zoom_ratio; |
| |
| 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[128]; |
| |
| rational_t x_resolution; |
| rational_t y_resolution; |
| uint16_t resolution_unit; |
| uint16_t compression_scheme; |
| } exif_attribute_t; |
| |
| class Exif { |
| public: |
| Exif(int cameraId, int CameraType = CAMERA_TYPE_ISP); |
| virtual ~Exif(); |
| |
| uint32_t make(void *exifOut, |
| exif_attribute_t *exifInfo, |
| unsigned int exifOutBufSize = 0, |
| unsigned char *thumbBuf = NULL, |
| unsigned int thumbSize = 0); |
| |
| static const char DEFAULT_MAKER[]; |
| static const char DEFAULT_MODEL[]; |
| static const char DEFAULT_SOFTWARE[]; |
| static const char DEFAULT_EXIF_VERSION[]; |
| static const char DEFAULT_USERCOMMENTS[]; |
| |
| static const int DEFAULT_YCBCR_POSITIONING; |
| static const int DEFAULT_BACK_FNUMBER_NUM; |
| static const int DEFAULT_BACK_FNUMBER_DEN; |
| static const int DEFAULT_FRONT_FNUMBER_NUM; |
| static const int DEFAULT_FRONT_FNUMBER_DEN; |
| static const int DEFAULT_EXPOSURE_PROGRAM; |
| static const int DEFAULT_BACK_FOCAL_LEN_NUM; |
| static const int DEFAULT_BACK_FOCAL_LEN_DEN; |
| static const int DEFAULT_FRONT_FOCAL_LEN_NUM; |
| static const int DEFAULT_FRONT_FOCAL_LEN_DEN; |
| static const int DEFAULT_FLASH; |
| static const int DEFAULT_COLOR_SPACE; |
| static const int DEFAULT_EXPOSURE_MODE; |
| static const int DEFAULT_APEX_DEN; |
| static const int DEFAULT_SENSING_METHOD; |
| |
| static const int DEFAULT_COMPRESSION; |
| static const int DEFAULT_RESOLUTION_NUM; |
| static const int DEFAULT_RESOLUTION_DEN; |
| static const int DEFAULT_RESOLUTION_UNIT; |
| |
| static const int DEFAULT_CONTINUOUS_SHOT_INFO; |
| |
| private: |
| int mCameraId; |
| |
| int mNum0thIfdTiff; |
| int mNum0thIfdExif; |
| int mNum0thIfdGps; |
| int mNum1thIfdTiff; |
| int mCameraType; /* ISP or SOC */ |
| |
| inline void writeExifIfd(unsigned char **pCur, |
| unsigned short tag, |
| unsigned short type, |
| unsigned int count, |
| uint32_t value); |
| inline void writeExifIfd(unsigned char **pCur, |
| unsigned short tag, |
| unsigned short type, |
| unsigned int count, |
| unsigned char *pValue); |
| inline void writeExifIfd(unsigned char **pCur, |
| unsigned short tag, |
| unsigned short type, |
| unsigned int count, |
| rational_t *pValue, |
| unsigned int *offset, |
| unsigned char *start); |
| inline void writeExifIfd(unsigned char **pCur, |
| unsigned short tag, |
| unsigned short type, |
| unsigned int count, |
| unsigned char *pValue, |
| unsigned int *offset, |
| unsigned char *start); |
| }; |
| }; |
| #endif /* ANDROID_HARDWARE_EXIF_H */ |