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# /home/dwoods/DevIL/src-IL/include/il_dpx.h

    00001 //-----------------------------------------------------------------------------
    00002 //
    00003 // ImageLib Sources
    00004 // Copyright (C) 2000-2009 by Denton Woods
    00005 // Last modified: 02/26/2009
    00006 //
    00007 // Filename: src-IL/include/il_dpx.h
    00008 //
    00009 // Description: Reads from a Digital Picture Exchange (.dpx) file.
    00010 //                              Specifications for this format were     found at
    00011 //                              http://www.cineon.com/ff_draft.php and
    00012 //                              http://www.fileformat.info/format/dpx/.
    00013 //
    00014 //-----------------------------------------------------------------------------
    00015
    00016
    00017 #ifndef DPX_H
    00018 #define DPX_H
    00019
    00020 #include "il_internal.h"
    00021
    00022
    00023 #ifdef _WIN32
    00024 #pragma pack(push, packed_struct, 1)
    00025 #endif
    00026 typedef struct R32
    00027 {
    00028         ILubyte r, g, b, a;
    00029 } IL_PACKSTRUCT R32;
    00030 #ifdef _WIN32
    00031 #pragma pack(pop, packed_struct)
    00032 #endif
    00033
    00034
    00035 typedef struct DPX_FILE_INFO
    00036 {
    00037     ILuint      MagicNum;        /* magic number 0x53445058 (SDPX) or 0x58504453 (XPDS) */
    00038     ILuint      Offset;           /* offset to image data in bytes */
    00039     ILbyte      Vers[8];          /* which header format version is being used (v1.0)*/
    00040     ILuint      FileSize;        /* file size in bytes */
    00041     ILuint      DittoKey;        /* read time short cut - 0 = same, 1 = new */
    00042     ILuint      GenHdrSize;     /* generic header length in bytes */
    00043     ILuint      IndHdrSize;     /* industry header length in bytes */
    00044     ILuint      UserDataSize;   /* user-defined data length in bytes */
    00045     ILbyte      FileName[100];   /* image file name */
    00046     ILbyte      CreateTime[24];  /* file creation date "yyyy:mm:dd:hh:mm:ss:LTZ" */
    00047     ILbyte      Creator[100];     /* file creator's name */
    00048     ILbyte      Project[200];     /* project name */
    00049     ILbyte      Copyright[200];   /* right to use or copyright info */
    00050     ILuint      Key;              /* encryption ( FFFFFFFF = unencrypted ) */
    00051     ILbyte      Reserved[104];    /* reserved field TBD (need to pad) */
    00052 } DPX_FILE_INFO;
    00053
    00054 typedef struct DPX_IMAGE_ELEMENT
    00055 {
    00056     ILuint    DataSign;                 /* data sign (0 = unsigned, 1 = signed ) */
    00057                                                                 /* "Core set images are unsigned" */
    00058     ILuint              RefLowData;             /* reference low data code value */
    00059     R32                 RefLowQuantity; /* reference low quantity represented */
    00060     ILuint              RefHighData;    /* reference high data code value */
    00061     R32                 RefHighQuantity;/* reference high quantity represented */
    00062     ILubyte             Descriptor;             /* descriptor for image element */
    00063     ILubyte             Transfer;               /* transfer characteristics for element */
    00064     ILubyte             Colorimetric;   /* colormetric specification for element */
    00065     ILubyte             BitSize;                /* bit size for element */
    00066         ILushort        Packing;                /* packing for element */
    00067     ILushort    Encoding;               /* encoding for element */
    00068     ILuint              DataOffset;             /* offset to data of element */
    00069     ILuint              EolPadding;             /* end of line padding used in element */
    00070     ILuint              EoImagePadding; /* end of image padding used in element */
    00071     ILbyte              Description[32];/* description of element */
    00072 } DPX_IMAGE_ELEMENT;  /* NOTE THERE ARE EIGHT OF THESE */
    00073
    00074
    00075 typedef struct DPX_IMAGE_INFO
    00076 {
    00077     ILushort    Orientation;          /* image orientation */
    00078     ILushort    NumElements;       /* number of image elements */
    00079     ILuint              Width;      /* or x value */
    00080     ILuint              Height;  /* or y value, per element */
    00081         DPX_IMAGE_ELEMENT       ImageElement[8];
    00082     ILubyte             reserved[52];             /* reserved for future use (padding) */
    00083 } DPX_IMAGE_INFO;
    00084
    00085
    00086 typedef struct DPX_IMAGE_ORIENT
    00087 {
    00088     ILuint              XOffset;               /* X offset */
    00089     ILuint              YOffset;               /* Y offset */
    00090     R32                 XCenter;               /* X center */
    00091     R32                 YCenter;               /* Y center */
    00092     ILuint              XOrigSize;            /* X original size */
    00093     ILuint              YOrigSize;            /* Y original size */
    00094     ILbyte              FileName[100];         /* source image file name */
    00095     ILbyte              CreationTime[24];      /* source image creation date and time */
    00096     ILbyte              InputDev[32];          /* input device name */
    00097     ILbyte              InputSerial[32];       /* input device serial number */
    00098     ILushort    Border[4];              /* border validity (XL, XR, YT, YB) */
    00099     ILuint              PixelAspect[2];        /* pixel aspect ratio (H:V) */
    00100     ILubyte             Reserved[28];           /* reserved for future use (padding) */
    00101 } DPX_IMAGE_ORIENT;
    00102
    00103
    00104 typedef struct DPX_MOTION_PICTURE_HEAD
    00105 {
    00106     ILbyte film_mfg_id[2];    /* film manufacturer ID code (2 digits from film edge code) */
    00107     ILbyte film_type[2];      /* file type (2 digits from film edge code) */
    00108     ILbyte offset[2];         /* offset in perfs (2 digits from film edge code)*/
    00109     ILbyte prefix[6];         /* prefix (6 digits from film edge code) */
    00110     ILbyte count[4];          /* count (4 digits from film edge code)*/
    00111     ILbyte format[32];        /* format (i.e. academy) */
    00112     ILuint   frame_position;    /* frame position in sequence */
    00113     ILuint   sequence_len;      /* sequence length in frames */
    00114     ILuint   held_count;        /* held count (1 = default) */
    00115     R32   frame_rate;        /* frame rate of original in frames/sec */
    00116     R32   shutter_angle;     /* shutter angle of camera in degrees */
    00117     ILbyte frame_id[32];      /* frame identification (i.e. keyframe) */
    00118     ILbyte slate_info[100];   /* slate information */
    00119     ILubyte    reserved[56];      /* reserved for future use (padding) */
    00120 } DPX_MOTION_PICTURE_HEAD;
    00121
    00122
    00123 typedef struct DPX_TELEVISION_HEAD
    00124 {
    00125     ILuint tim_code;            /* SMPTE time code */
    00126     ILuint userBits;            /* SMPTE user bits */
    00127     ILubyte  interlace;           /* interlace ( 0 = noninterlaced, 1 = 2:1 interlace*/
    00128     ILubyte  field_num;           /* field number */
    00129     ILubyte  video_signal;        /* video signal standard (table 4)*/
    00130     ILubyte  unused;              /* used for byte alignment only */
    00131     R32 hor_sample_rate;     /* horizontal sampling rate in Hz */
    00132     R32 ver_sample_rate;     /* vertical sampling rate in Hz */
    00133     R32 frame_rate;          /* temporal sampling rate or frame rate in Hz */
    00134     R32 time_offset;         /* time offset from sync to first pixel */
    00135     R32 gamma;               /* gamma value */
    00136     R32 black_level;         /* black level code value */
    00137     R32 black_gain;          /* black gain */
    00138     R32 break_point;         /* breakpoint */
    00139     R32 white_level;         /* reference white level code value */
    00140     R32 integration_times;   /* integration time(s) */
    00141     ILubyte  reserved[76];        /* reserved for future use (padding) */
    00142 } DPX_TELEVISION_HEAD;
    00143
    00144
    00145 // For checking and reading
    00146 ILboolean iIsValidDpx(void);
    00147 //ILboolean iCheckDpx(DPXHEAD *Header);
    00148 ILboolean iLoadDpxInternal(void);
    00149
    00150 #endif//PCX_H