public void StartPlay(IntPtr handle)
{
iRealHandle = DHNetSDK.CLIENT_StartRealPlay(iLoginUserId, VideoInfo.Channel, handle, DHNetSDK.EM_RealPlayType.Realplay, null, null, IntPtr.Zero, 0);
if (IntPtr.Zero == iRealHandle)
{
throw new Exception("[大华]播放失败：" + Environment.NewLine + DHNetSDK.GetErrorMessage(iRealHandle));
}
}
public void StopRecord()
{
bool result = DHNetSDK.CLIENT_StopSaveRealData(iRealHandle);
if (!result)
{
throw new Exception("[大华]保存录像失败：" + Environment.NewLine + DHNetSDK.GetErrorMessage(result));
}
}
public void StopPlay()
{
bool result = DHNetSDK.CLIENT_StopRealPlayEx(iRealHandle);
if (!result)
{
throw new Exception("[大华]停止预览失败：" + Environment.NewLine + DHNetSDK.GetErrorMessage(result));
}
}
public void StartRecord()
{
bool result = DHNetSDK.CLIENT_SaveRealData(iRealHandle, Helper.UniqueFile(SaveFileType.Video, FileExtensionType.dav));
if (!result)
{
throw new Exception("[大华]录像失败：" + Environment.NewLine + DHNetSDK.GetErrorMessage(result));
}
}
public void CamerControl(Direction direction, uint step, bool stop = false)
{
DHNetSDK.EM_EXTPTZ_ControlType contype = new DHNetSDK.EM_EXTPTZ_ControlType();
switch (direction)
{
case Direction.Up: //上
contype = DHNetSDK.EM_EXTPTZ_ControlType.UP_CONTROL;
break;
case Direction.Down: //下
contype = DHNetSDK.EM_EXTPTZ_ControlType.DOWN_CONTROL;
break;
case Direction.Left: //左
contype = DHNetSDK.EM_EXTPTZ_ControlType.LEFT_CONTROL;
break;
case Direction.Right: //右
contype = DHNetSDK.EM_EXTPTZ_ControlType.RIGHT_CONTROL;
break;
case Direction.UpLeft: //上左
contype = DHNetSDK.EM_EXTPTZ_ControlType.LEFTTOP;
break;
case Direction.UpRight: //上右
contype = DHNetSDK.EM_EXTPTZ_ControlType.RIGHTTOP;
break;
case Direction.DownLeft: //下左
contype = DHNetSDK.EM_EXTPTZ_ControlType.LEFTDOWN;
break;
case Direction.DownRight: //下右
contype = DHNetSDK.EM_EXTPTZ_ControlType.RIGHTDOWN;
break;
case Direction.ZoomIn: //放大
contype = DHNetSDK.EM_EXTPTZ_ControlType.ZOOM_ADD_CONTROL;
break;
case Direction.ZoomOut: //缩小
contype = DHNetSDK.EM_EXTPTZ_ControlType.ZOOM_DEC_CONTROL;
break;
default:
break;
}
if (!DHNetSDK.CLIENT_DHPTZControlEx2(iLoginUserId, VideoInfo.Channel, Convert.ToUInt32(contype), Convert.ToInt32(step), Convert.ToInt32(step), Convert.ToInt32(step), stop, IntPtr.Zero))
{
throw new Exception("[大华]云台操作失败！");
}
}
public void LogOut()
{
bool logout = DHNetSDK.CLIENT_Logout(iLoginUserId);
if (!logout)
{
throw new Exception("[大华]注销登录失败：" + Environment.NewLine + DHNetSDK.GetErrorMessage(logout));
}
else
{
iLoginUserId = IntPtr.Zero;
}
}
public void Login(LoginInfo logininfo)
{
DHNetSDK.NET_DEVICEINFO_Ex dinfo = new DHNetSDK.NET_DEVICEINFO_Ex();
int error = 0;
iLoginUserId = DHNetSDK.CLIENT_LoginEx2(logininfo.Ip, Convert.ToUInt16(logininfo.Port), logininfo.UserName, logininfo.Password, DHNetSDK.EM_LOGIN_SPAC_CAP_TYPE.TCP, IntPtr.Zero, ref dinfo, ref error);
if (IntPtr.Zero == iLoginUserId)
{
throw new Exception("[大华]登录失败：" + Environment.NewLine + DHNetSDK.GetErrorMessage(iLoginUserId));
}
}
public string Capture2Image()
{
string fileName = Helper.UniqueFile(SaveFileType.Picture, FileExtensionType.jpg);
bool result = DHNetSDK.CLIENT_CapturePicture(iRealHandle, fileName, DHNetSDK.NET_CAPTURE_FORMATS.NET_CAPTURE_JPEG);
if (!result)
{
throw new Exception("[大华]抓图失败：" + Environment.NewLine + DHNetSDK.GetErrorMessage(result));
}
else
{
return(fileName);
}
}
public void Init()
{
try
{
bool init = DHNetSDK.CLIENT_Init(null, IntPtr.Zero);
if (!init)
{
throw new Exception("[大华]SDK初始化失败:" + DHNetSDK.GetErrorMessage(init));
}
}
catch (Exception ex)
{
throw new Exception("[大华]SDK初始化失败:" + Environment.NewLine + ex.Message);
}
}
public string Capture2Base64()
{
string fileName = Helper.UniqueFile(SaveFileType.Picture, FileExtensionType.jpg);
bool result = DHNetSDK.CLIENT_CapturePicture(iRealHandle, fileName, DHNetSDK.NET_CAPTURE_FORMATS.NET_CAPTURE_JPEG);
if (!result)
{
throw new Exception("[大华]抓图失败：" + Environment.NewLine + DHNetSDK.GetErrorMessage(result));
}
else
{
Bitmap bmp = new Bitmap(fileName);
using (MemoryStream ms1 = new MemoryStream())
{
bmp.Save(ms1, System.Drawing.Imaging.ImageFormat.Jpeg);
byte[] arr1 = new byte[ms1.Length];
ms1.Position = 0;
ms1.Read(arr1, 0, (int)ms1.Length);
ms1.Close();
return(Convert.ToBase64String(arr1));
}
}
}
public void Release()
{
DHNetSDK.CLIENT_Cleanup();
}
