www.pudn.com > JPEGMotion.rar > IJPEGDEC.H
/* * ======== ijpegdec.h ======== * IJPEGDEC Interface Header */ #ifndef IJPEGDEC_ #define IJPEGDEC_ #include#include #include /* * ======== IJPEGDEC_Handle ======== * This handle is used to reference all JPEG_DEC instance objects */ typedef struct IJPEGDEC_Obj *IJPEGDEC_Handle; /* * ======== IJPEGDEC_Obj ======== * This structure must be the first field of all JPEG_DEC instance objects */ typedef struct IJPEGDEC_Obj { struct IJPEGDEC_Fxns *fxns; } IJPEGDEC_Obj; /* * ======== IJPEGDEC_Params ======== * This structure defines the creation parameters for all JPEG_DEC objects */ typedef struct IJPEGDEC_Params { Int size; /* must be first field of all params structures */ unsigned int pitch[3]; } IJPEGDEC_Params; /* * ======== IJPEGDEC_Status ======== * This structure defines the status parameters for all JPEG_DEC objects */ typedef struct IJPEGDEC_Status { Int size; /* must be first field of all params structures */ unsigned int numLines[3]; unsigned int numSamples[3]; unsigned int pitch[3]; unsigned int grayFLAG; unsigned int outputSize; } IJPEGDEC_Status; /* * ======== IJPEGDEC_PARAMS ======== * Default parameter values for JPEG_DEC instance objects */ extern IJPEGDEC_Params IJPEGDEC_PARAMS; /* * ======== IJPEGDEC_Fxns ======== * This structure defines all of the operations on JPEG_DEC objects */ typedef struct IJPEGDEC_Fxns { IALG_Fxns ialg; /* IJPEGDEC extends IALG */ XDAS_Bool (*control)(IJPEGDEC_Handle handle, IJPEG_Cmd cmd, IJPEGDEC_Status *status); XDAS_Int32 (*decode)(IJPEGDEC_Handle handle, XDAS_Int8 *in, XDAS_Int8 **out); } IJPEGDEC_Fxns; #endif /* IJPEGDEC_ */