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nt9856x/code/lib/include/exif/Exif.h
payton 543d2da268 1.一次S530代码提交
2023-03-28 15:07:53 +08:00

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/**
Exif module
Parse or create Exif header.
@file Exif.h
@ingroup mIEXIF
Copyright Novatek Microelectronics Corp. 2012. All rights reserved.
*/
#ifndef _EXIF_H //Exif.h
#define _EXIF_H
#include "kwrap/type.h"
/**
@addtogroup mIEXIF
*/
//@{
/**
@name The basic definition of Exif SPEC
*/
//@{
#define MAX_APP1_SIZE 0x10000 ///< maximum size of APP1 marker
#define MAX_APP2_SIZE 0x10000 ///< maximum size of APP2 marker
#define APP1_SIZE_OFFSET 4 ///< the offset of APP1 size, which is from the start of JPEG file (FF D8 FF E1 XX XX)
#define APP1_TIFF_OFFSET_BASE 12 ///< the offset of TIFF header, which is from the start of JPEG file
//@}
/**
Exif error Code.
*/
typedef enum _EXIF_ER {
EXIF_ER_OK = 0, ///< E_OK, no error
EXIF_ER_SYS = (-5), ///< E_SYS, system error
EXIF_ER_SOI_NF = (-6), ///< SOI marker not found
EXIF_ER_APP1_NF = (-7), ///< APP1 marker not found
EXIF_ER_TAG_NUM_OV = (-8), ///< tag number overflow
EXIF_ER_NO_EXIF_IFD = (-9), ///< EXIF IFD not found
ENUM_DUMMY4WORD(EXIF_ER)
} EXIF_ER;
/**
Command IFD index.
Indexes for IFD information.
*/
typedef enum _EXIF_IFD {
EXIF_IFD_0TH = 0, ///< 0th IFD
EXIF_IFD_EXIF, ///< Exif IFD
EXIF_IFD_GPS, ///< GPS IFD
EXIF_IFD_INTEROPERABILITY, ///< Interoperability IFD
EXIF_IFD_1ST, ///< 1st IFD
EXIF_IFD_MPO_INDEX, ///< MP Index IFD
EXIF_IFD_MPO_ATTR, ///< MP Attribute IFD
ENUM_DUMMY4WORD(EXIF_IFD)
} EXIF_IFD;
/**
The necessary information for running a command via EXIF_SetTag().
*/
typedef struct _EXIF_SETTAG {
EXIF_IFD uiTagIfd; ///< [in] IFD index
UINT16 uiTagId; ///< [in] tag ID
UINT16 uiTagType; ///< [in] tag type
UINT32 uiTagCount; ///< [in] tag count
UINT32 uiTagDataAddr; ///< [in] tag data addr
UINT32 uiTagDataLen; ///< [in] tag data length(in bytes!!)
} EXIF_SETTAG, *PEXIF_SETTAG;
/**
The necessary information for running a command via EXIF_GetTag().
*/
typedef struct _EXIF_GETTAG {
EXIF_IFD uiTagIfd; ///< [in] IFD index
UINT16 uiTagId; ///< [in] wanted exif id
UINT32 uiTagDataAddr; ///< [out] tag data address
UINT32 uiTagLen; ///< [out] tag data length(in bytes!!)
UINT32 uiTagOffset; ///< [out] tag offset
} EXIF_GETTAG, *PEXIF_GETTAG;
/**
Command MakerNote Info.
The information of MakerNote which include screennail picture.
*/
typedef struct _MAKERNOTE_INFO {
UINT32 uiMakerNoteAddr; ///< MakerNote address
UINT32 uiMakerNoteSize; ///< MakerNote size
UINT32 uiMakerNoteOffset; ///< MakerNote offset, which is from the start of JPEG file
UINT32 uiScreennailOffset; ///< Screennail offset, which is from the start of JPEG file
UINT32 uiScreennailSize; ///< Screennail size
} MAKERNOTE_INFO;
/**
The necessary information for running a command via EXIF_GetInfo()/EXIF_UpdateInfo().
*/
typedef enum _EXIF_INFO {
EXIFINFO_BYTEORDER = 0, ///< Byte Order. (Out:BOOL, TRUE for little endian and FALSE for big endian)
EXIFINFO_MPO_OFFSET_BASE, ///< Offset base of MPO. (Out:UINT32)
EXIFINFO_MAKERNOTE, ///< MakerNote information.(Out:MAKERNOTE_INFO)
EXIFINFO_EXIF_HEADER_SIZE, ///< Exif header size including SOI, APP1, APP2.(Out:UINT32)
EXIFINFO_TIFF_OFFSET_BASE, ///< Offset base of TIFF. (Out:UINT32)
EXIFINFO_APP1_SIZE_OFFSET, ///< Offset of APP1 size. (Out:UINT32)
ENUM_DUMMY4WORD(EXIF_INFO)
} EXIF_INFO;
/**
The callback event for MakerNote process.
*/
typedef enum _EXIF_EVENT {
CREATE_MAKERNOTE = 0, ///<This callback event is invoked every time capture is performed.
PARSE_MAKERNOTE, ///<This callback event is invoked every time the image is play-backed.
UPDATE_MAKERNOTE, ///<This callback event is invoked every time capture is performed or the image is edited by playback.
ENUM_DUMMY4WORD(EXIF_EVENT)
} EXIF_EVENT;
/**
The prototype of callback function.
*/
typedef ER(*FPEXIFCB)(EXIF_EVENT event, PMEM_RANGE pBuffer, UINT32 uiRetParamNum, UINT32 *pParamArray);
/**
EXIF handle ID.
It supports more than one EXIF data be parsed or created simultaneously, E.g. dual sensor capturing with different EXIF setting.
*/
typedef enum _EXIF_HANDLE_ID {
EXIF_HDL_ID_1 = 0, ///< EXIF handle ID 1
EXIF_HDL_ID_2, ///< EXIF handle ID 2
EXIF_HDL_ID_3, ///< EXIF handle ID 3
EXIF_HDL_ID_4, ///< EXIF handle ID 4
EXIF_HDL_MAX_NUM,
ENUM_DUMMY4WORD(EXIF_HANDLE_ID)
} EXIF_HANDLE_ID;
/**
Install EXIF semaphore id
*/
extern void EXIF_InstallID(void);
/**
Uninstall EXIF semaphore id
*/
extern void EXIF_UninstallID(void);
/**
Initialize Exif lib.
@param[in] HandleID EXIF handle ID: #_EXIF_HANDLE_ID.
@param[in] pWorkBuf Available working buffer for Exif lib, recommended size is 64KB.
@param[in] fpExifCB Callback function to complete customized MakerNote content.
*/
extern void EXIF_Init(EXIF_HANDLE_ID HandleID, PMEM_RANGE pWorkBuf, FPEXIFCB fpExifCB);
/**
Set Exif tag.
Set specific fields in the Image EXIF header.
@param[in] HandleID EXIF handle ID: #_EXIF_HANDLE_ID.
@param[in] pTag The information to set a Exif tag: #_EXIF_SETTAG.
@return
- @b EXIF_ER_OK: Succeed.
- @b EXIF_ER_SYS: Failed.
*/
extern EXIF_ER EXIF_SetTag(EXIF_HANDLE_ID HandleID, PEXIF_SETTAG pTag);
/**
Create Exif data.
Afte user setting customized Exif tags, this function could create SOI and APP1 data.
@note In most case, users do NOT have to use this function. EXIF_CreateExif() is invoked every time capture is performed.
@param[in] HandleID EXIF handle ID: #_EXIF_HANDLE_ID.
@param[in,out] pExifData [in]Available buffer address and size, [out]the Exif data including SOI and APP1.
@param[in] pThumbnail JPEG data of thumbnail.
@return
- @b EXIF_ER_OK: Succeed.
- @b EXIF_ER_SYS: Failed.
*/
extern EXIF_ER EXIF_CreateExif(EXIF_HANDLE_ID HandleID, PMEM_RANGE pExifData, PMEM_RANGE pThumbnail);
/**
Parse Exif data.
@note In most case, users do NOT have to use this function. EXIF_ParseExif() is invoked every time the image is play-backed.
@param[in] HandleID EXIF handle ID: #_EXIF_HANDLE_ID.
@param[in] pExifData The Exif data which is usually from the start of JPEG file to the end of APP1.
@return
- @b EXIF_ER_OK: Succeed.
- @b EXIF_ER_SYS: Failed.
- @b EXIF_ER_SOI_NF: SOI marker not found
- @b EXIF_ER_APP1_NF: APP1 marker not found
- @b EXIF_ER_TAG_NUM_OV: Tag number overflow
- @b EXIF_ER_NO_EXIF_IFD: EXIF IFD not found
*/
extern EXIF_ER EXIF_ParseExif(EXIF_HANDLE_ID HandleID, PMEM_RANGE pExifData);
/**
Get Exif tag.
Get specific tag information.
@param[in] HandleID EXIF handle ID: #_EXIF_HANDLE_ID.
@param[in] pTag The information to get a Exif tag: #_EXIF_GETTAG.
@return
- @b EXIF_ER_OK: Succeed.
- @b EXIF_ER_SYS: Failed.
*/
extern EXIF_ER EXIF_GetTag(EXIF_HANDLE_ID HandleID, PEXIF_GETTAG pTag);
/**
Dump the parsing result.
@note Only for debug usage.
@param[in] HandleID EXIF handle ID: #_EXIF_HANDLE_ID.
*/
extern void EXIF_DumpData(EXIF_HANDLE_ID HandleID);
/**
Get specific information of Exif.
@param[in] HandleID EXIF handle ID: #_EXIF_HANDLE_ID.
@param[in] Info Exif information: #_EXIF_INFO.
@param[out] pData Data address.
@param[out] uiNumByte Data size.
@return
- @b EXIF_ER_OK: Succeed.
- @b EXIF_ER_SYS: Failed.
*/
extern EXIF_ER EXIF_GetInfo(EXIF_HANDLE_ID HandleID, EXIF_INFO Info, VOID *pData, UINT32 uiNumByte);
/**
Update specific information of Exif.
@note In most case, users do NOT have to use this function.
@param[in] HandleID EXIF handle ID: #_EXIF_HANDLE_ID.
@param[in] Info Exif information: #_EXIF_INFO.
@param[out] pData Data address.
@param[out] uiNumByte Data size.
@return
- @b EXIF_ER_OK: Succeed.
- @b EXIF_ER_SYS: Failed.
*/
extern EXIF_ER EXIF_UpdateInfo(EXIF_HANDLE_ID HandleID, EXIF_INFO Info, VOID *pData, UINT32 uiNumByte);
/**
Get EXIF handle ID.
@note In most case, users do NOT have to use this function.
@param[in] ExifDataAddr EXIF data address.
@return EXIF handle ID.
*/
extern EXIF_HANDLE_ID EXIF_GetHandleID(UINT32 ExifDataAddr);
//@}
#endif //_EXIF_H
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