mpo.h

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#ifndef MPO_H_INCLUDED
#define MPO_H_INCLUDED
#include <stdio.h>
#include <stdlib.h>
#include <jpeglib.h>


#include <stdint.h>
#include <stdbool.h>

#ifdef NDEBUG
#define mpo_printf(args...) ((void)0)
#else
#define mpo_printf(args...) printf(args)
#endif

typedef enum
{
    MPF_BYTE         = 1,
    MPF_ASCII        = 2,
    MPF_SHORT        = 3,
    MPF_LONG         = 4,
    MPF_RATIONAL     = 5,
    MPF_UNDEFINED    = 7,
    MPF_SLONG        = 9,
    MPF_SRATIONAL    = 10 
}
MPFVal_types;


typedef uint8_t         MPFByte;          /* 1 byte  */
typedef int8_t          MPFSByte;         /* 1 byte  */
typedef char *          MPFAscii;
typedef uint16_t        MPFShort;         /* 2 bytes */
typedef int16_t         MPFSShort;        /* 2 bytes */
typedef uint32_t        MPFLong;          /* 4 bytes */
typedef int32_t         MPFSLong;         /* 4 bytes */
typedef struct {MPFLong numerator; MPFLong denominator;} MPFRational;
typedef unsigned char   MPFUndefined;     /* 1 byte  */
typedef struct {MPFSLong numerator; MPFSLong denominator;} MPFSRational;

typedef struct
{
    MPFByte * buffer;
    long _cur;
    long _size;
}
MPFbuffer;

typedef MPFbuffer * MPFbuffer_ptr;

typedef enum{ MPF_LITTLE_ENDIAN = 0x49492A00,
    MPF_BIG_ENDIAN = 0x4D4D002A }MPExt_ByteOrder;

typedef enum
{
    /*MP Index IFD*/


    MPTag_MPFVersion        = 0xB000,
    MPTag_NumberOfImages    = 0xB001,
    MPTag_MPEntry           = 0xB002,


    //TODO : implement those tags
    MPTag_ImageUIDList      = 0xB003,
    MPTag_TotalFrames       = 0xB004,


    MPTag_IndividualNum     = 0xb101,
    MPTag_PanOrientation    = 0xb201,
    MPTag_PanOverlapH       = 0xb202,
    MPTag_PanOverlapV       = 0xb203,
    MPTag_BaseViewpointNum  = 0xb204,
    MPTag_ConvergenceAngle  = 0xb205,
    MPTag_BaselineLength    = 0xb206,
    MPTag_VerticalDivergence= 0xb207,
    MPTag_AxisDistanceX     = 0xb208,
    MPTag_AxisDistanceY     = 0xb209,
    MPTag_AxisDistanceZ     = 0xb20a,
    MPTag_YawAngle          = 0xb20b,
    MPTag_PitchAngle        = 0xb20c,
    MPTag_RollAngle         = 0xb20d,

}MPExt_MPTags;

typedef union
{
    INT32 value;
    struct {
        unsigned int MPTypeCode:24;
        unsigned int imgType:3;
        unsigned int reserved:2;
        unsigned int representativeImage:1;
        unsigned int dependentChild:1;
        unsigned int dependentParent:1;
    } data;
}
MPExt_IndividualImageAttr;


typedef enum
{
    MPType_LargeThumbnail_Mask  =0x10000, 
    MPType_LargeThumbnail_Class1=0x10001, 
    MPType_LargeThumbnail_Class2=0x10002, 
    MPType_MultiFrame_Mask      =0x20000, 
    MPType_MultiFrame_Panorama  =0x20001, 
    MPType_MultiFrame_Disparity =0x20002, 
    MPType_MultiFrame_MultiAngle=0x20003, 
    MPType_Baseline             =0x30000  
}
MPExt_MPType;

typedef struct
{
    MPFShort type;
    MPFLong EntriesTabLength;
    MPFLong dataOffset;
} MPExt_MPEntryIndexFields;

typedef struct
{
    MPExt_IndividualImageAttr individualImgAttr;
    MPFLong size;
    MPFLong offset;
    MPFShort dependentImageEntry1;
    MPFShort dependentImageEntry2;
} MPExt_MPEntry;

typedef struct
{
    MPFLong IndividualNum;


    MPFLong PanOrientation;
    MPFRational PanOverlapH;
    MPFRational PanOverlapV;

    MPFLong BaseViewpointNum;
    MPFSRational ConvergenceAngle;
    MPFRational BaselineLength;
    MPFSRational VerticalDivergence;


    MPFSRational AxisDistanceX;
    MPFSRational AxisDistanceY;
    MPFSRational AxisDistanceZ;


    MPFSRational YawAngle;
    MPFSRational PitchAngle;
    MPFSRational RollAngle;

    boolean is_specified[MPTag_RollAngle-MPTag_IndividualNum+1];
} MPExt_ImageAttr;

#define ATTR_IS_SPECIFIED(attr,tag) ((attr).is_specified[(tag)-MPTag_IndividualNum])


typedef struct
{
    MPFUndefined MPF_identifier[4];     
    size_t start_of_offset;             
    MPExt_ByteOrder byte_order;         
    MPFLong first_IFD_offset;           
    /*MP Index IFD*/
    INT16 count;                        
    char version[4];                    
    MPFLong numberOfImages;             
    MPFLong currentEntry;
    MPExt_MPEntryIndexFields EntryIndex;
    MPFLong nextIFDOffset;              
    MPFShort count_attr_IFD;            
    MPExt_ImageAttr attributes;         
    MPExt_MPEntry* MPentry;             
} MPExt_Data;

typedef struct
{
    MPExt_Data* APP02;
    struct jpeg_compress_struct *cinfo;
    JOCTET ** images_data;
} mpo_compress_struct;


bool MPExtReadMPF (MPFbuffer_ptr b,MPExt_Data *data,int isFirstImage);

char isLittleEndian();
void destroyMPF_Data(MPExt_Data *data);



#endif // MPO_H_INCLUDED