private void btnDel_Click(object sender, EventArgs e)
{
if (IpDevIndex < 0)
{
return; //该通道未添加有设备，空闲状态
}
MStruIpParaCfgV40.struStreamMode[ChanIndex].uGetStream.Init(); //初始化通道参数为0
MStruIpParaCfgV40.struIPDevInfo[IpDevIndex] = new ChcNetSdk.NetDvrIpdevinfoV31(); //初始化设备参数为0
var nSize = Marshal.SizeOf(MStruIpParaCfgV40);
var ptrIpParaCfgV40 = Marshal.AllocHGlobal(nSize);
Marshal.StructureToPtr(MStruIpParaCfgV40, ptrIpParaCfgV40, false);
if (!ChcNetSdk.NET_DVR_SetDVRConfig(MlUserId, ChcNetSdk.NetDvrSetIpparacfgV40, 0, ptrIpParaCfgV40, (uint)nSize))
{
var iLastErr = ChcNetSdk.NET_DVR_GetLastError();
var str = "NetDvrSetIpparacfgV40 failed, error code= " + iLastErr;
MessageBox.Show(str);
//获取IP资源配置信息失败，输出错误号 Failed to get configuration of IP channels and output the error code
}
else
{
MessageBox.Show(@"IP通道删除成功!");
}
Marshal.FreeHGlobal(ptrIpParaCfgV40);
}
private void btnJPEG_Click(object sender, EventArgs e)
{
var lChannel = _iChannelNum[(int)_iSelIndex]; //通道号 Channel number
var lpJpegPara = new ChcNetSdk.NetDvrJpegpara
{
wPicQuality = 0,
wPicSize = 0xff
};
//图像质量 Image quality
//抓图分辨率 Picture size: 0xff-Auto(使用当前码流分辨率)
//抓图分辨率需要设备支持，更多取值请参考SDK文档
//JPEG抓图保存成文件 Capture a JPEG picture
var sJpegPicFileName = "filetest.jpg";
if (!ChcNetSdk.NET_DVR_CaptureJPEGPicture(_mLUserId, lChannel, ref lpJpegPara, sJpegPicFileName))
{
_iLastErr = ChcNetSdk.NET_DVR_GetLastError();
_str = "NET_DVR_CaptureJPEGPicture failed, error code= " + _iLastErr;
DebugInfo(_str);
return;
}
_str = "NET_DVR_CaptureJPEGPicture succ and the saved file is " + sJpegPicFileName;
DebugInfo(_str);
//JEPG抓图，数据保存在缓冲区中 Capture a JPEG picture and save in the buffer
uint iBuffSize = 400000; //缓冲区大小需要不小于一张图片数据的大小 The buffer size should not be less than the picture size
var byJpegPicBuffer = new byte[iBuffSize];
uint dwSizeReturned = 0;
if (!ChcNetSdk.NET_DVR_CaptureJPEGPicture_NEW(_mLUserId, lChannel, ref lpJpegPara, byJpegPicBuffer, iBuffSize, ref dwSizeReturned))
{
_iLastErr = ChcNetSdk.NET_DVR_GetLastError();
_str = "NET_DVR_CaptureJPEGPicture_NEW failed, error code= " + _iLastErr;
DebugInfo(_str);
}
else
{
//将缓冲区里的JPEG图片数据写入文件 save the data into a file
var str = "buffertest.jpg";
var fs = new FileStream(str, FileMode.Create);
var iLen = (int)dwSizeReturned;
fs.Write(byJpegPicBuffer, 0, iLen);
fs.Close();
str = "NET_DVR_CaptureJPEGPicture_NEW succ and save the data in buffer to 'buffertest.jpg'.";
DebugInfo(str);
}
}
private void btn_Exit_Click(object sender, EventArgs e)
{
//停止预览
if (_mLRealHandle >= 0)
{
ChcNetSdk.NET_DVR_StopRealPlay(_mLRealHandle);
_mLRealHandle = -1;
}
//注销登录
if (_mLUserId >= 0)
{
ChcNetSdk.NET_DVR_Logout(_mLUserId);
_mLUserId = -1;
}
ChcNetSdk.NET_DVR_Cleanup();
Application.Exit();
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (_mLRealHandle >= 0)
{
ChcNetSdk.NET_DVR_StopRealPlay(_mLRealHandle);
}
if (_mLUserId >= 0)
{
ChcNetSdk.NET_DVR_Logout(_mLUserId);
}
if (_mBInitSdk == true)
{
ChcNetSdk.NET_DVR_Cleanup();
}
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
private void btnRecord_Click(object sender, EventArgs e)
{
//录像保存路径和文件名 the path and file name to save
var sVideoFileName = "test.mp4";
if (_mBRecord == false)
{
//强制I帧 Make one Key frame
var lChannel = _iChannelNum[(int)_iSelIndex]; //通道号 Channel number
ChcNetSdk.NET_DVR_MakeKeyFrame(_mLUserId, lChannel);
//开始录像 Start recording
if (!ChcNetSdk.NET_DVR_SaveRealData(_mLRealHandle, sVideoFileName))
{
_iLastErr = ChcNetSdk.NET_DVR_GetLastError();
_str = "NET_DVR_SaveRealData failed, error code= " + _iLastErr;
DebugInfo(_str);
return;
}
DebugInfo("NET_DVR_SaveRealData succ!");
btnRecord.Text = @"Stop";
_mBRecord = true;
}
else
{
//停止录像 Stop recording
if (!ChcNetSdk.NET_DVR_StopSaveRealData(_mLRealHandle))
{
_iLastErr = ChcNetSdk.NET_DVR_GetLastError();
_str = "NET_DVR_StopSaveRealData failed, error code= " + _iLastErr;
DebugInfo(_str);
return;
}
_str = "NET_DVR_StopSaveRealData succ and the saved file is " + sVideoFileName;
DebugInfo(_str);
btnRecord.Text = @"Record";
_mBRecord = false;
}
}
public VedioForm()
{
InitializeComponent();
_mBInitSdk = ChcNetSdk.NET_DVR_Init();
if (_mBInitSdk == false)
{
MessageBox.Show(@"NET_DVR_Init error!");
}
else
{
//保存SDK日志 To save the SDK log
ChcNetSdk.NET_DVR_SetLogToFile(3, "C:\\SdkLog\\", true);
comboBoxView.SelectedIndex = 0;
for (var i = 0; i < 64; i++)
{
_iIpDevId[i] = -1;
_iChannelNum[i] = -1;
}
}
}
private void btnBMP_Click(object sender, EventArgs e)
{
if (_mLRealHandle < 0)
{
DebugInfo("Please start live view firstly!"); //BMP抓图需要先打开预览
return;
}
//图片保存路径和文件名 the path and file name to save
const string sBmpPicFileName = "test.bmp";
//BMP抓图 Capture a BMP picture
if (!ChcNetSdk.NET_DVR_CapturePicture(_mLRealHandle, sBmpPicFileName))
{
_iLastErr = ChcNetSdk.NET_DVR_GetLastError();
_str = "NET_DVR_CapturePicture failed, error code= " + _iLastErr;
DebugInfo(_str);
}
else
{
_str = "NET_DVR_CapturePicture succ and the saved file is " + sBmpPicFileName;
DebugInfo(_str);
}
}
private void btnSet_Click(object sender, EventArgs e)
{
/***********************************************************
* 添加IP通道或者修改IP通道配置
* **********************************************************/
if (IpDevIndex < 0)
{
//如果该IP通道空闲，新增IP通道，选择空闲设备ID
for (var i = 0; i < 64; i++)
{
if (MStruIpParaCfgV40.struIPDevInfo[i].byEnable == 0)
{
IpDevIndex = i;
break;
}
}
}
MStruIpParaCfgV40.struIPDevInfo[IpDevIndex].byEnable = 1;//该IP设备是否启用
//设备（厂家）协议类型,通过NET_DVR_GetIPCProtoList获取
MStruIpParaCfgV40.struIPDevInfo[IpDevIndex].byProType = (byte)_mStruProtoList.struProto[comboBoxFactory.SelectedIndex].dwType;
MStruIpParaCfgV40.struIPDevInfo[IpDevIndex].struIP.sIpV4 = textBoxIPAddr.Text; //前端设备IP地址
MStruIpParaCfgV40.struIPDevInfo[IpDevIndex].wDVRPort = ushort.Parse(textBoxPort.Text); //前端设备端口
MStruIpParaCfgV40.struIPDevInfo[IpDevIndex].sUserName = textBoxUserName.Text; //前端设备用户名
MStruIpParaCfgV40.struIPDevInfo[IpDevIndex].sPassword = textBoxPsw.Text; //前端设备密码
switch (MStruIpParaCfgV40.struStreamMode[ChanIndex].byGetStreamType)
{
case 0: //直接从设备取流，对应联合体中结构NET_DVR_IPCHANINFO
_mStruChanInfo.byEnable = 1;
_mStruChanInfo.byIPID = Convert.ToByte((IpDevIndex + 1) % 256);
_mStruChanInfo.byChannel = byte.Parse(textBoxChannel.Text);
var ptrChanInfo = Marshal.AllocHGlobal((int)DwUnionSize);
Marshal.StructureToPtr(_mStruChanInfo, ptrChanInfo, false);
MStruIpParaCfgV40.struStreamMode[ChanIndex].uGetStream = (ChcNetSdk.NetDvrGetStreamUnion)Marshal.PtrToStructure(ptrChanInfo, typeof(ChcNetSdk.NetDvrGetStreamUnion));
Marshal.FreeHGlobal(ptrChanInfo);
break;
case 6: //直接从设备取流(扩展)，对应联合体中结构NET_DVR_IPCHANINFO_V40
_mStruChanInfoV40.byEnable = 1;
_mStruChanInfoV40.wIPID = Convert.ToUInt16(IpDevIndex + 1);
_mStruChanInfoV40.dwChannel = Convert.ToUInt32(textBoxChannel.Text);
_mStruChanInfoV40.byTransProtocol = (byte)comboBoxProtocol.SelectedIndex;
_mStruChanInfoV40.byTransMode = (byte)comboBoxStream.SelectedIndex;
var ptrChanInfoV40 = Marshal.AllocHGlobal((int)DwUnionSize);
Marshal.StructureToPtr(_mStruChanInfoV40, ptrChanInfoV40, false);
MStruIpParaCfgV40.struStreamMode[ChanIndex].uGetStream = (ChcNetSdk.NetDvrGetStreamUnion)Marshal.PtrToStructure(ptrChanInfoV40, typeof(ChcNetSdk.NetDvrGetStreamUnion));
Marshal.FreeHGlobal(ptrChanInfoV40);
break;
}
var nSize = Marshal.SizeOf(MStruIpParaCfgV40);
var ptrIpParaCfgV40 = Marshal.AllocHGlobal(nSize);
Marshal.StructureToPtr(MStruIpParaCfgV40, ptrIpParaCfgV40, false);
if (!ChcNetSdk.NET_DVR_SetDVRConfig(MlUserId, ChcNetSdk.NetDvrSetIpparacfgV40, 0, ptrIpParaCfgV40, (uint)nSize))
{
var iLastErr = ChcNetSdk.NET_DVR_GetLastError();
var str = "NetDvrSetIpparacfgV40 failed, error code= " + iLastErr;
MessageBox.Show(str);
//获取IP资源配置信息失败，输出错误号 Failed to get configuration of IP channels and output the error code
}
else
{
MessageBox.Show(Resources.IpChannelConfig_btnSet_Click_IP通道配置成功_);
}
Marshal.FreeHGlobal(ptrIpParaCfgV40);
}
private void IPChannelConfig_Load(object sender, EventArgs e)
{
int i;
//获取设备支持IPC协议列表
if (ChcNetSdk.NET_DVR_GetIPCProtoList(MlUserId, ref _mStruProtoList))
{
for (i = 0; i < (int)_mStruProtoList.dwProtoNum; i++)
{
comboBoxFactory.Items.Add(_mStruProtoList.struProto[i].byDescribe);
}
}
comboBoxStreamType.SelectedIndex = 0;
comboBoxFactory.SelectedIndex = 0;
comboBoxStream.SelectedIndex = 0;
comboBoxProtocol.SelectedIndex = 0;
/***********************************************************
* 显示当前IP通道配置
* **********************************************************/
if (IpDevIndex < 0)
{
//该通道未添加有设备，空闲状态
return;
}
comboBoxStreamType.SelectedIndex = MStruIpParaCfgV40.struStreamMode[ChanIndex].byGetStreamType; //取流方式
textBoxIPAddr.Text = MStruIpParaCfgV40.struIPDevInfo[IpDevIndex].struIP.sIpV4; //前端设备IP地址
textBoxPort.Text = Convert.ToString(MStruIpParaCfgV40.struIPDevInfo[IpDevIndex].wDVRPort); //前端设备端口
textBoxUserName.Text = MStruIpParaCfgV40.struIPDevInfo[IpDevIndex].sUserName; //前端设备用户名
textBoxPsw.Text = MStruIpParaCfgV40.struIPDevInfo[IpDevIndex].sPassword; //前端设备密码
for (i = 0; i < (int)_mStruProtoList.dwProtoNum; i++)
{
//设备（厂家）协议类型,通过NET_DVR_GetIPCProtoList获取
if (_mStruProtoList.struProto[i].dwType == MStruIpParaCfgV40.struIPDevInfo[IpDevIndex].byProType)
{
comboBoxFactory.SelectedIndex = i;
}
}
switch (MStruIpParaCfgV40.struStreamMode[ChanIndex].byGetStreamType)
{
case 0: //直接从设备取流，对应联合体中结构NET_DVR_IPCHANINFO
var ptrChanInfo = Marshal.AllocHGlobal((int)DwUnionSize);
Marshal.StructureToPtr(MStruIpParaCfgV40.struStreamMode[ChanIndex].uGetStream, ptrChanInfo, false);
_mStruChanInfo = (ChcNetSdk.NetDvrIpchaninfo)Marshal.PtrToStructure(ptrChanInfo, typeof(ChcNetSdk.NetDvrIpchaninfo));
textBoxChannel.Text = Convert.ToString(_mStruChanInfo.byChannel);
Marshal.FreeHGlobal(ptrChanInfo);
break;
case 6: //直接从设备取流(扩展)，对应联合体中结构NET_DVR_IPCHANINFO_V40
var ptrChanInfoV40 = Marshal.AllocHGlobal((int)DwUnionSize);
Marshal.StructureToPtr(MStruIpParaCfgV40.struStreamMode[ChanIndex].uGetStream, ptrChanInfoV40, false);
_mStruChanInfoV40 = (ChcNetSdk.NetDvrIpchaninfoV40)Marshal.PtrToStructure(ptrChanInfoV40, typeof(ChcNetSdk.NetDvrIpchaninfoV40));
textBoxChannel.Text = Convert.ToString(_mStruChanInfoV40.dwChannel);
comboBoxStream.SelectedIndex = _mStruChanInfoV40.byTransMode;
comboBoxProtocol.SelectedIndex = _mStruChanInfoV40.byTransProtocol;
Marshal.FreeHGlobal(ptrChanInfoV40);
break;
}
}
private void btnLogin_Click(object sender, EventArgs e)
{
if (_mLUserId < 0)
{
var dvripAddress = textBoxIP.Text; //设备IP地址或者域名 Device IP
var dvrPortNumber = short.Parse(textBoxPort.Text); //设备服务端口号 Device Port
var dvrUserName = textBoxUserName.Text; //设备登录用户名 User name to login
var dvrPassword = textBoxPassword.Text; //设备登录密码 Password to login
//登录设备 Login the device
_mLUserId = ChcNetSdk.NET_DVR_Login_V30(dvripAddress, dvrPortNumber, dvrUserName, dvrPassword, ref DeviceInfo);
if (_mLUserId < 0)
{
_iLastErr = ChcNetSdk.NET_DVR_GetLastError();
_str = "NET_DVR_Login_V30 failed, error code= " + _iLastErr; //登录失败，输出错误号 Failed to login and output the error code
DebugInfo(_str);
}
else
{
//登录成功
DebugInfo("NET_DVR_Login_V30 succ!");
btnLogin.Text = @"Logout";
_dwAChanTotalNum = DeviceInfo.byChanNum;
if (DeviceInfo.byIPChanNum > 0)
{
InfoIpChannel();
}
else
{
for (_i = 0; _i < _dwAChanTotalNum; _i++)
{
ListAnalogChannel(_i + 1, 1);
_iChannelNum[_i] = _i + DeviceInfo.byStartChan;
}
comboBoxView.SelectedItem = 1;
// MessageBox.Show("This device has no IP channel!");
}
}
}
else
{
//注销登录 Logout the device
if (_mLRealHandle >= 0)
{
DebugInfo("Please stop live view firstly"); //登出前先停止预览 Stop live view before logout
return;
}
if (!ChcNetSdk.NET_DVR_Logout(_mLUserId))
{
_iLastErr = ChcNetSdk.NET_DVR_GetLastError();
_str = "NET_DVR_Logout failed, error code= " + _iLastErr;
DebugInfo(_str);
return;
}
DebugInfo("NET_DVR_Logout succ!");
listViewIPChannel.Items.Clear();//清空通道列表 Clean up the channel list
_mLUserId = -1;
btnLogin.Text = @"Login";
}
}
private void btnPreview_Click(object sender, EventArgs e)
{
if (_mLUserId < 0)
{
MessageBox.Show(@"Please login the device firstly!");
return;
}
if (_mBRecord)
{
MessageBox.Show(@"Please stop recording firstly!");
return;
}
if (_mLRealHandle < 0)
{
var lpPreviewInfo = new ChcNetSdk.NetDvrPreviewinfo
{
hPlayWnd = RealPlayWnd.Handle,
lChannel = _iChannelNum[(int)_iSelIndex],
dwStreamType = 0,
dwLinkMode = 0,
bBlocked = true
};
//预览窗口 live view window
//预览的设备通道 the device channel number
//码流类型：0-主码流，1-子码流，2-码流3，3-码流4，以此类推
//连接方式：0- TCP方式，1- UDP方式，2- 多播方式，3- RTP方式，4-RTP/RTSP，5-RSTP/HTTP
//0- 非阻塞取流，1- 阻塞取流
var pUser = IntPtr.Zero;//用户数据 user data
if (comboBoxView.SelectedIndex == 0)
{
//打开预览 Start live view
_mLRealHandle = ChcNetSdk.NET_DVR_RealPlay_V40(_mLUserId, ref lpPreviewInfo, null /*RealData*/, pUser);
}
else
{
lpPreviewInfo.hPlayWnd = IntPtr.Zero; //预览窗口 live view window
_mPtrRealHandle = RealPlayWnd.Handle;
_realData = RealDataCallBack; //预览实时流回调函数 real-time stream callback function
_mLRealHandle = ChcNetSdk.NET_DVR_RealPlay_V40(_mLUserId, ref lpPreviewInfo, _realData, pUser);
}
if (_mLRealHandle < 0)
{
_iLastErr = ChcNetSdk.NET_DVR_GetLastError();
_str = "NET_DVR_RealPlay_V40 failed, error code= " + _iLastErr; //预览失败，输出错误号 failed to start live view, and output the error code.
DebugInfo(_str);
}
else
{
//预览成功
DebugInfo("NET_DVR_RealPlay_V40 succ!");
btnPreview.Text = @"Stop View";
}
}
else
{
//停止预览 Stop live view
if (!ChcNetSdk.NET_DVR_StopRealPlay(_mLRealHandle))
{
_iLastErr = ChcNetSdk.NET_DVR_GetLastError();
_str = "NET_DVR_StopRealPlay failed, error code= " + _iLastErr;
DebugInfo(_str);
return;
}
if ((comboBoxView.SelectedIndex == 1) && (_mLPort >= 0))
{
if (!PlayCtrl.PlayM4_Stop(_mLPort))
{
_iLastErr = PlayCtrl.PlayM4_GetLastError(_mLPort);
_str = "PlayM4_Stop failed, error code= " + _iLastErr;
DebugInfo(_str);
}
if (!PlayCtrl.PlayM4_CloseStream(_mLPort))
{
_iLastErr = PlayCtrl.PlayM4_GetLastError(_mLPort);
_str = "PlayM4_CloseStream failed, error code= " + _iLastErr;
DebugInfo(_str);
}
if (!PlayCtrl.PlayM4_FreePort(_mLPort))
{
_iLastErr = PlayCtrl.PlayM4_GetLastError(_mLPort);
_str = "PlayM4_FreePort failed, error code= " + _iLastErr;
DebugInfo(_str);
}
_mLPort = -1;
}
DebugInfo("NET_DVR_StopRealPlay succ!");
_mLRealHandle = -1;
btnPreview.Text = @"Live View";
RealPlayWnd.Invalidate();//刷新窗口 refresh the window
}
}
public void InfoIpChannel()
{
var dwSize = (uint)Marshal.SizeOf(MStruIpParaCfgV40);
var ptrIpParaCfgV40 = Marshal.AllocHGlobal((int)dwSize);
Marshal.StructureToPtr(MStruIpParaCfgV40, ptrIpParaCfgV40, false);
uint dwReturn = 0;
var iGroupNo = 0;
if (!ChcNetSdk.NET_DVR_GetDVRConfig(_mLUserId, ChcNetSdk.NetDvrGetIpparacfgV40, iGroupNo, ptrIpParaCfgV40, dwSize, ref dwReturn))
{
_iLastErr = ChcNetSdk.NET_DVR_GetLastError();
_str = "NetDvrGetIpparacfgV40 failed, error code= " + _iLastErr;
//获取IP资源配置信息失败，输出错误号 Failed to get configuration of IP channels and output the error code
DebugInfo(_str);
}
else
{
DebugInfo("NetDvrGetIpparacfgV40 succ!");
MStruIpParaCfgV40 = (ChcNetSdk.NetDvrIpparacfgV40)Marshal.PtrToStructure(ptrIpParaCfgV40, typeof(ChcNetSdk.NetDvrIpparacfgV40));
for (_i = 0; _i < _dwAChanTotalNum; _i++)
{
ListAnalogChannel(_i + 1, MStruIpParaCfgV40.byAnalogChanEnable[_i]);
_iChannelNum[_i] = _i + DeviceInfo.byStartChan;
}
for (_i = 0; _i < MStruIpParaCfgV40.dwDChanNum; _i++)
{
_iChannelNum[_i + _dwAChanTotalNum] = _i + (int)MStruIpParaCfgV40.dwStartDChan;
var byStreamType = MStruIpParaCfgV40.struStreamMode[_i].byGetStreamType;
dwSize = (uint)Marshal.SizeOf(MStruIpParaCfgV40.struStreamMode[_i].uGetStream);
switch (byStreamType)
{
//目前NVR仅支持直接从设备取流 NVR supports only the mode: get stream from device directly
case 0:
var ptrChanInfo = Marshal.AllocHGlobal((int)dwSize);
Marshal.StructureToPtr(MStruIpParaCfgV40.struStreamMode[_i].uGetStream, ptrChanInfo, false);
MStruChanInfo = (ChcNetSdk.NetDvrIpchaninfo)Marshal.PtrToStructure(ptrChanInfo, typeof(ChcNetSdk.NetDvrIpchaninfo));
//列出IP通道 List the IP channel
ListIpChannel(_i + 1, MStruChanInfo.byEnable, MStruChanInfo.byIPID);
_iIpDevId[_i] = MStruChanInfo.byIPID + MStruChanInfo.byIPIDHigh * 256 - iGroupNo * 64 - 1;
Marshal.FreeHGlobal(ptrChanInfo);
break;
case 6:
var ptrChanInfoV40 = Marshal.AllocHGlobal((int)dwSize);
Marshal.StructureToPtr(MStruIpParaCfgV40.struStreamMode[_i].uGetStream, ptrChanInfoV40, false);
MStruChanInfoV40 = (ChcNetSdk.NetDvrIpchaninfoV40)Marshal.PtrToStructure(ptrChanInfoV40, typeof(ChcNetSdk.NetDvrIpchaninfoV40));
//列出IP通道 List the IP channel
ListIpChannel(_i + 1, MStruChanInfoV40.byEnable, MStruChanInfoV40.wIPID);
_iIpDevId[_i] = MStruChanInfoV40.wIPID - iGroupNo * 64 - 1;
Marshal.FreeHGlobal(ptrChanInfoV40);
break;
}
}
}
Marshal.FreeHGlobal(ptrIpParaCfgV40);
}
