Configuration parameter structure of jointed screen position on video wall.
struct{
DWORD dwSize;
BYTE byEnbale;
BYTE byRes1[3];
DWORD dwVideoWallNo;
DWORD dwDisplayNo;
NET_DVR_RECTCFG_EX struScreenBaseInfo;
BYTE byRes2[64];
}NET_DVR_VIDEOWALLDISPLAYPOSITION, *LPNET_DVR_VIDEOWALLDISPLAYPOSITION;
Structure size
Status: 0-disabled, 1-enabled
Reserved, set to 0
Video wall No.=1-byte video wall No.+reserved 3-byte, e.g., 1<<24 | 0
Jointed screeen No.=1-byte device No.+reserved 1-byte+2-byte jointed screen No. (starts from 1), e.g., 1<<24 | 0<<16 | 1. It is valid when getting all in batch.
Jointed screen position coordinates, it should be the integral multiples of reference coordinates (which is obtained via video wall capability set). By default, the width and height are same as the reference values without configured. See the structure NET_DVR_RECTCFG_EX for details.
Reserved, set to 0