www.pudn.com > scaling.rar > _vport.h

/* 
 *  Copyright 2004 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. 
 *   
 */ 
/* August 2004 */ 
  
* History: 
* Feb. 26, 2004, add parameters for asyc mode and 3:2 pull-down support  
*/ 
 
 
#ifndef __VPORT_H  /* change to _VPORT_H */ 
#define __VPORT_H 
 
#ifdef __cplusplus 
extern "C" { 
#endif 
 
/* this header file defines common channel object and channel status code */ 
/* for both capture and display                                           */ 
 
 
 
#include  
#include  
#include  
 
#include        
 
/* channel status */ 
#define _VPORT_READY           4 
#define _VPORT_CFGED           2 
#define _VPORT_OPENED          1 
#define _VPORT_MASK_10BIT      1 
#define _VPORT_MASK_RAW        2 
 
#define _VPORT_NUM_EDMA_CHANS  3 
#define _VPORT_CHAN_CNT        2 
 
/* channel object */ 
typedef struct { 
    Uns                 status; 
    Uns                 portNum; 
    Uns                 chanNum; 
    Uns                 base; 
    Uns                 edmaChanNum[_VPORT_NUM_EDMA_CHANS]; 
    Uns                 edmaAddr[_VPORT_NUM_EDMA_CHANS]; 
    Uns                 vIntMask; 
    FVID_Frame          viops[VPORT_MAX_NUM_FRMBUFS]; 
    QUE_Elem            qIn; 
    QUE_Elem            qOut;         
    QUE_Elem            qPullDown; 
    EDMA_Handle         hEdma[_VPORT_NUM_EDMA_CHANS]; 
    EDMA_Handle         hRld[_VPORT_NUM_EDMA_CHANS*4]; 
    Int                 tcc[3];  
    Bool                mergeFlds; 
    Bool                interlaced; 
    IOM_TiomCallback    cbFxn; 
    Arg                 cbArg; 
    VPORT_IntCallBack   vIntFxn; 
    volatile Bool       queEmpty; 
    Bool                scale; 
    Bool                resmpl; 
    Uns                 yPitch; 
    Uns                 cPitch; 
    Uns                 numLines; 
    Uns                 numPixels; 
    Uns                 numLinesFld1; 
    Uns                 numFrms; 
    Uns                 numEvents; 
    Uns                 numEventsFld1; 
    Uns                 yThrld; 
    Uns                 cThrld; 
    FVID_Frame          *curViop; 
    FVID_Frame          *nextViop;    
     
    FVID_Frame          *mrViop;       
    Int                 mode; 
    EDC_Fxns           *edcFxns; 
    Ptr                 edcHandle; 
    IOM_Packet         *packetIOM; 
    Int                 vIntCbArg;    
    Int                 segId;     
    Int                 bufSz;        
    Int                 lastLineNum;        
    Int                 nextEDMARlds; 
    Int                 numTotalLinesFld1; 
    Bool                autoSyncEnable;       
 
/* for async mode and 3:2 pull-down support */     
    Bool                asyncModeEnable; 
    Int                 pullDownMode; 
    Int                 asyncFrameCt; 
    Fxn                 asyncCallBackFxn;     
    Int                 frmSz; 
    Int                 asyncCbArg;  
    Int                 startFlag; 
     
} _VPORT_ChanObj; 
 
typedef struct _VPORT_EDCObj{ 
    Int8* name; 
    EDC_Fxns* fxns; 
} _VPORT_EDCObj; 
 
 
 
#ifdef __cplusplus 
} 
#endif 
 
#endif /* __VPORT_H */