Function questions on DM6437

HI:

The following is the code from the preview on-the-fly.

static PSP_VPFECcdcConfigParams ccdcParams =
{
    FVID_CCDC_RAW_FORMAT,               /* dataFlow     */
    FVID_FIELD_MODE,                    /* ffMode       */
    FRAME_HEIGHT + 1,                   /* height       */
    FRAME_WIDTH,                        /* width        */
    (FRAME_WIDTH * 1),                  /* pitch        */
    0,                                  /* horzStartPix */
    0,                                  /* vertStartPix */
    NULL,                               /* appCallback  */
    {
       MT9001_Open,                     /* extVD Fxn    */
       MT9001_Close,
       MT9001_Control,
    },
    0,                                  /* segId        */
    {
        FVID_BPP_BITS8,                 /* dataSize     */
        PSP_VPFE_PACK8_8BITS_PIXEL,     /* pack8        */
        PSP_VPFE_DataPol_Normal,        /* dataPol      */
        PSP_VPFE_SyncPol_Positive,      /* VDSyncPol    */
        PSP_VPFE_SyncPol_Positive,      /* HDSyncPol    */
        PSP_VPFE_SyncDir_Input,         /* HDVDMaster   */
        50,                             /* HDSyncWidth  */
        4,                              /* VDSyncWidth  */
        800,                            /* numPxlPerLine*/   (HD?????)
        1000,                          /* numLinPerFld */    (VD????)
        PSP_VPFE_ALaw_Disable,          /* ALawEnable   */
        PSP_VPFE_ALaw_bits15_6,         /* ALaw_Width   */
    }
};

I've configured the part

"   

     FRAME_HEIGHT + 1,                /* height (480)  */
     FRAME_WIDTH,                        /* width  (640)  */  

"

Does it indicate the HD and VD ?

then why do I need to configure the red & blue part.

Could anyone tell me the difference between the red & blue part ?

THANKS

Ellen .