evmdm642_vcapparamsntsc.c

TI公司C6000系列DSP（DM642）进行网络视频电话通讯源代码

/*
 *  Copyright 2003 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.
 *  
 */
/* "@(#) DDK 1.10.00.21 06-26-03 (ddk-b10)" */
/* NTSC capture parameters using external h-sync, v-sync and fid */
#include <vport.h>
#include <vportcap.h>
#include <saa7115.h> 
#include <csl_edma.h>
#include "evmdm642_vcapparams.h"

#define LINE_SZ   720
#define NUM_LINES 240
     
VPORTCAP_Params EVMDM642_vCapParamsChan = {
    VPORT_MODE_BT656_8BIT, /* cmode:3  */
    VPORT_FLDOP_FRAME,     /* fldOp:3  */    

    VPORT_SCALING_DISABLE,     /* scale:1  */    
    VPORT_RESMPL_DISABLE,      /* resmpl:1 */
    VPORTCAP_BPK_10BIT_ZERO_EXTENDED, /*bpk10Bit:2   */

    VPORTCAP_HRST_SAV,  /*hCtRst:1  */
    VPORTCAP_VRST_EAV_V0,  /*vCtRst:1  */
    VPORTCAP_FLDD_DISABLE,   /*fldDect:1 */
    VPORTCAP_EXC_DISABLE,     /*extCtl:1  */   
    VPORTCAP_FINV_ENABLE,   /* fldInv:1 */
    
    0,                 /*fldXStrt1 */
    1,                /*fldYStrt1 */  
    0,                 /*fldXStrt2 */  
    1,                /*fldYStrt2 */
    
    LINE_SZ-1,         /*fldXStop1 */
    NUM_LINES ,       /*fldYStop1 */
    
    LINE_SZ-1,         /*fldXStop2 */
    NUM_LINES ,       /*fldYStop2 */
    
    (LINE_SZ>>3),      /*thrld     */    
    3,                 /*numFrmBufs*/    
    8,                 /*alignment */    
    VPORT_FLDS_MERGED, /*mergeFlds */    
    NULL,              /*segId     */                
    EDMA_OPT_PRI_HIGH, /*edmaPri   */   
    8 
};


VPORT_PortParams EVMDM642_vCapParamsPort = {
    FALSE,                      /*  enableDualChan;                */ 
    VPORT_POLARITY_ACTIVE_HIGH,  /* vport control pin 1 polarity    */
    VPORT_POLARITY_ACTIVE_HIGH, /* vport control pin 2 polarity    */
    VPORT_POLARITY_ACTIVE_HIGH, /* vport control pin 3 polarity    */
    &SAA7115_Fxns,
    INV,
};    

SAA7115_ConfParams EVMDM642_vCapParamsSAA7115 = {
  SAA7115_MODE_NTSC720,
  SAA7115_MODE_NTSC720,
  SAA7115_AFMT_COMPOSITE,
  TRUE,
  TRUE,
  INV
};