// Set Disconnect callback function. It is to callback disconnect device; excluding device logout successfully
void DisConnectBackCallFunc(int lLoginID, string pchDVRIP, int nDVRPort, IntPtr dwUser)
{
if (lLoginID == m_videoform.GetLoginHandle())
{
m_videoform.OnDisconnect();
}
foreach (DEV_INFO devinfo in dictDevInfo.Values)
{
if (devinfo.lLoginID == lLoginID)
{
XMSDK.H264_DVR_Logout(lLoginID);
dictDevInfo.Remove(devinfo.lLoginID);
dictDiscontDev.Add(devinfo.lLoginID, devinfo);
break;
}
}
// If device is disconnected, activate the timer to reconnect
if (dictDiscontDev.Count > 0)
{
timerDisconnect.Enabled = true; // Default value is true
timerDisconnect.Start();
}
}
private void PTZControl(int nCommand, bool bStop, int nSpeed)
{
//DEV_INFO m_devinfo = clientForm.devInfo;
//int nLoginID = m_devinfo.lLoginID;
int nChannel = 0;
XMSDK.H264_DVR_PTZControl(nLoginID, nChannel, (int)nCommand, bStop, nSpeed);
}
public bool OnCloseSound()
{
if (XMSDK.H264_DVR_CloseSound(m_iPlayhandle))
{
m_bSound = false;
return(true);
}
return(false);
}
public bool OnOpenSound()
{
if (XMSDK.H264_DVR_OpenSound(m_iPlayhandle))
{
m_bSound = true;
return(true);
}
return(false);
}
public int ConnectRealPlay(ref DEV_INFO pDev, int nChannel)
{
H264_DVR_CLIENTINFO playstru = new H264_DVR_CLIENTINFO();
playstru.nChannel = nChannel;
playstru.nStream = 0;
playstru.nMode = 0;
playstru.hWnd = this.Handle;
m_iPlayhandle = XMSDK.H264_DVR_RealPlay(pDev.lLoginID, ref playstru);
return(m_iPlayhandle);
}
public void OnDisconnect()
{
if (m_iPlayhandle > 0)
{
XMSDK.H264_DVR_StopRealPlay(m_iPlayhandle, (uint)this.Handle);
m_iPlayhandle = -1;
}
if (m_bSound)
{
OnCloseSound();
}
m_lLogin = -1;
}
// Reconnect to camera
public void ReConnect(object source, System.Timers.ElapsedEventArgs e)
{
foreach (DEV_INFO devinfo in dictDiscontDev.Values)
{
H264_DVR_DEVICEINFO OutDev = new H264_DVR_DEVICEINFO();
int nError = 0; // DVR out parameter
// Login to camera
int lLogin = XMSDK.H264_DVR_Login(devinfo.szIpaddress, (ushort)devinfo.nPort, devinfo.szUserName, devinfo.szPsw, out OutDev, out nError, SocketStyle.TCPSOCKET);
// If login info is invalid
if (lLogin <= 0)
{
// Error messages
int nErr = XMSDK.H264_DVR_GetLastError();
if (nErr == (int)SDK_RET_CODE.H264_DVR_PASSWORD_NOT_VALID)
{
MessageBox.Show("Password Error");
}
else if (nErr == (int)SDK_RET_CODE.H264_DVR_LOGIN_USER_NOEXIST)
{
MessageBox.Show("User Not Exist");
}
return;
}
dictDiscontDev.Remove(devinfo.lLoginID); // Remove disconnected device from dictionary
LoginForm loginForm = new LoginForm();
DEV_INFO devAdd = new DEV_INFO();
devAdd = devinfo;
devAdd.lLoginID = lLogin;
// Connect to video feed
loginForm.m_videoform.ConnectRealPlay(ref devAdd, 0);
Thread.Sleep(10);
dictDevInfo.Add(lLogin, devAdd); // Add connected device to dictionary
XMSDK.H264_DVR_SetupAlarmChan(lLogin); // Subscribe to alarm message
}
// If there is no record of any disconnected devices, cease the reconnect attempt
if (0 == dictDiscontDev.Count)
{
timerDisconnect.Enabled = false;
timerDisconnect.Stop();
}
}
public int InitSDK()
{
VideoForm m_videoform = new VideoForm();
// Initialize
disCallback = new XMSDK.fDisConnect(DisConnectBackCallFunc);
GC.KeepAlive(disCallback); // Keep the disconnect callback object alive
int bResult = XMSDK.H264_DVR_Init(disCallback, this.Handle);
// The messages received in SDK from DVR, which need to upload such as alarm information diary information, may go through callback function
msgcallback = new XMSDK.fMessCallBack(MessCallBack);
XMSDK.H264_DVR_SetDVRMessCallBack(msgcallback, this.Handle);
XMSDK.H264_DVR_SetConnectTime(5000, 3);
return(bResult);
}
private void buttonExit_Click(object sender, EventArgs e)
{
foreach (DEV_INFO devinfo in dictDevInfo.Values)
{
XMSDK.H264_DVR_Logout(devinfo.lLoginID);
}
timerDisconnect.Stop();
ExitSDk();
this.Close();
//ptzForm.Close();
m_videoform.Close();
//m_videoform.VideoExit();
}
// Connect to device and display video feed
private void buttonStart_Click(object sender, EventArgs e)
{
if (textBoxDevName.Text.Trim() != "" &&
textBoxIP.Text.Trim() != "" &&
textBoxport.Text.Trim() != "" &&
textBoxUsername.Text.Trim() != "")
{
H264_DVR_DEVICEINFO dvrdevInfo = new H264_DVR_DEVICEINFO();
int nError;
int nLoginID = XMSDK.H264_DVR_Login(textBoxIP.Text.Trim(), ushort.Parse(textBoxport.Text.Trim()), textBoxUsername.Text, textBoxPassword.Text, out dvrdevInfo, out nError, SocketStyle.TCPSOCKET);
if (nLoginID > 0)
{
LoginForm loginForm = new LoginForm();
PTZForm ptzForm = new PTZForm(this, nLoginID);
m_videoform.Show();
ptzForm.Show();
// this.Close();
// Save device info into dictionary
devInfo.szDevName = textBoxDevName.Text;
devInfo.lLoginID = nLoginID;
devInfo.nPort = Int32.Parse(textBoxport.Text.Trim());
devInfo.szIpaddress = textBoxIP.Text.Trim();
devInfo.szUserName = textBoxUsername.Text;
devInfo.szPsw = textBoxPassword.Text;
devInfo.NetDeviceInfo = dvrdevInfo;
dictDevInfo.Add(devInfo.lLoginID, devInfo);
XMSDK.H264_DVR_SetupAlarmChan(nLoginID);
m_videoform.ConnectRealPlay(ref devInfo, 0);
}
else
{
MessageBox.Show("Invalid Login Info!");
}
}
else
{
MessageBox.Show("Please input all data!");
}
}
public bool ExitSDk()
{
return(XMSDK.H264_DVR_Cleanup());
}
