public PTZInfo GetPTZInfo(string devIp, int devPort, string userName, string password)
{
PTZInfo ptzInfo = new PTZInfo();
int userId = -1;
DevLoginModel devLoginModel = DeviceLogin(devIp, devPort, userName, password);
if (devLoginModel != null)
{
userId = devLoginModel.LoginId;
}
CHCNetSDK.NET_DVR_PTZPOS ptzPos = new CHCNetSDK.NET_DVR_PTZPOS();
uint dwReturn = 0;
int nSize = Marshal.SizeOf(ptzPos);
IntPtr ptrPtzCfg = Marshal.AllocHGlobal(nSize);
Marshal.StructureToPtr(ptzPos, ptrPtzCfg, false);
if (CHCNetSDK.NET_DVR_GetDVRConfig(userId, CHCNetSDK.NET_DVR_GET_PTZPOS, -1, ptrPtzCfg, (UInt32)nSize, ref dwReturn))
{
ptzPos = (CHCNetSDK.NET_DVR_PTZPOS)Marshal.PtrToStructure(ptrPtzCfg, typeof(CHCNetSDK.NET_DVR_PTZPOS));
//成功获取显示ptz参数
ushort wPanPos = Convert.ToUInt16(Convert.ToString(ptzPos.wPanPos, 16));
ptzInfo.Pan = wPanPos * 0.1f;
ushort wTiltPos = Convert.ToUInt16(Convert.ToString(ptzPos.wTiltPos, 16));
ptzInfo.Tilt = wTiltPos * 0.1f;
ushort wZoomPos = Convert.ToUInt16(Convert.ToString(ptzPos.wZoomPos, 16));
ptzInfo.Zoom = wZoomPos * 0.1f;
}
Marshal.FreeHGlobal(ptrPtzCfg);
return(ptzInfo);
}
/// <summary>
/// Updates context information.
/// </summary>
public override void UpdateContext()
{
PTZInfo info = new PTZInfo();
info.ServiceAddress = View.PTZAddress;
info.MediaAddress = View.MediaAddress;
ContextController.UpdatePTZInfo(info);
}
/// <summary>
/// Updates ptz information.
/// </summary>
/// <param name="info"></param>
public static void UpdatePTZInfo(PTZInfo info)
{
_context.PTZInfo = info;
}
