www.pudn.com > Lab534-VideoMotionDetect.rar > idiff.h

/* 
 *  Copyright 2002 by Texas Instruments Incorporated. 
 *  All rights reserved. Property of Texas Instruments Incorporated. 
 *  Restricted rights to use, duplicate or disclose this code are 
 *  granted through contract. 
 *   
 */ 
/* 
 *  ======== irotate.h ======== 
 *  IDIFF Interface Header 
 */ 
#ifndef IDIFF_ 
#define IDIFF_ 
 
#include  
 
#ifdef __cplusplus 
extern "C" { 
#endif 
 
#define DIFFTHRESHOLD 	50 
#define YTHRESHOLD		15 
#define CRCBTHRESHOLD	0 
 
/* 
 *  ======== IDIFF_Handle ======== 
 *  This handle is used to reference all DIFF instance objects 
 */ 
typedef struct IDIFF_Obj *IDIFF_Handle; 
 
/* 
 *  ======== IDIFF_Obj ======== 
 *  This structure must be the first field of all DIFF instance objects 
 */ 
typedef struct IDIFF_Obj { 
    struct IDIFF_Fxns *fxns;     
} IDIFF_Obj; 
 
/* 
 *  ======== IDIFF_Params ======== 
 *  This structure defines the creation parameters for all DIFF objects 
 */ 
typedef struct IDIFF_Params { 
    Int  size;          /* must be first field of all params structures */ 
} IDIFF_Params; 
 
/* 
 *  ======== IDIFF_PARAMS ======== 
 *  Default parameter values for DIFF instance objects 
 */ 
extern IDIFF_Params IDIFF_PARAMS; 
 
/* 
 *  ======== IDIFF_Fxns ======== 
 *  This structure defines all of the operations on DIFF objects 
 */ 
typedef struct IDIFF_Fxns { 
    IALG_Fxns   ialg;    /* IDIFF extends IALG */ 
    Void (*apply)(IDIFF_Handle handle, unsigned char y[],  
                  unsigned char cr[], unsigned char cb[],  
                  unsigned char prevY[], unsigned char prevCr[],  
                  unsigned char prevCb[], Int lumaSize, Int chromaSize, 
                  Int yValue, Int crValue, Int cbValue, Int procWidth); 
} IDIFF_Fxns; 
 
#ifdef __cplusplus 
} 
#endif /* extern "C" */ 
 
#endif  /* IDIFF_ */