public frmVideoPreview(string videoId)
{
InitializeComponent();
if (!string.IsNullOrEmpty(videoId))
{
currentDefInfo = _vdefService.GetDefById(new DefGetRequest {
Id = videoId
}).Data;
if (currentDefInfo != null)
{
this.txtip.Text = currentDefInfo.IPAddress;
this.txtname.Text = currentDefInfo.Devname;
//初始化海康SDK
m_bInitSDK = HK32ChCNetSDK.NET_DVR_Init();
//初始化大华SDK
disConnect = new fDisConnectCallBack(DisConnectEvent);
blnInit = NETClient.Init(disConnect, IntPtr.Zero, null);
m_RealDataCallBack = new fRealDataCallBackEx(RealDataCallBack); //instance realdata callback.
m_RealPlayDisConnectCallBack = new fRealPlayDisConnectCallBack(RealPlayDisConnectCallBack); //instance realplay disconnect
m_SnapRevCallBack = new fSnapRevCallBack(SnapRevCallBack);
videoLogin();
}
}
else
{
this.StaticMsg.Caption = "没有找到相应的视频信息！";
}
}
/// 视频测点登陆
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void videoLogin()
{
try
{
VideoDispose();
m_lUserID = -1;
loginID = IntPtr.Zero;
if (currentDefInfo != null)
{
string ipAddress = currentDefInfo.IPAddress;
int port = Convert.ToInt32(currentDefInfo.Port);
string username = currentDefInfo.Username;
string password = currentDefInfo.Password;
if (currentDefInfo.Vendor == 0)
{
HK32ChCNetSDK.NET_DVR_DEVICEINFO_V30 DeviceInfo = new HK32ChCNetSDK.NET_DVR_DEVICEINFO_V30();
m_lUserID = HK32ChCNetSDK.NET_DVR_Login_V30(ipAddress, port, username, password, ref DeviceInfo);
if (m_lUserID < 0)
{
var iLastErr = HK32ChCNetSDK.NET_DVR_GetLastError();
staticMsg = string.Format("视频测点 {0} 登陆失败： NET_DVR_Login_V30_{1}", currentDefInfo.Devname, iLastErr);
this.StaticMsg.Caption = staticMsg;
}
else
{
staticMsg = string.Format("视频测点 {0} 登陆成功...", currentDefInfo.Devname);
this.StaticMsg.Caption = staticMsg;
btnpreview_Click(new object(), new EventArgs());
}
}
else if (currentDefInfo.Vendor == 1)//大华
{
NET_DEVICEINFO_Ex deviceInfo = new NET_DEVICEINFO_Ex();
loginID = NETClient.Login(ipAddress, (ushort)port, username, password, EM_LOGIN_SPAC_CAP_TYPE.TCP, IntPtr.Zero, ref deviceInfo);
if (loginID != IntPtr.Zero)
{
staticMsg = string.Format("视频测点 {0} 登陆成功...", currentDefInfo.Devname);
this.StaticMsg.Caption = staticMsg;
btnpreview_Click(new object(), new EventArgs());
}
else
{
staticMsg = string.Format("视频测点 {0} 登陆失败...", currentDefInfo.Devname);
this.StaticMsg.Caption = staticMsg;
}
}
}
}
catch (Exception ex)
{
LogHelper.Error("视频测点登陆失败！" + ex.Message);
}
}
/// <summary>
/// 录像
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnrecord_Click(object sender, EventArgs e)
{
try
{
//录像保存路径和文件名 the path and file name to save
string sVideoFileName;
sVideoFileName = "C:\\masvideo\\" + currentDefInfo.Devname + "_" + DateTime.Now.ToString("yyyyMMddHHmmss") + ".mp4";
if (m_bRecord == false)
{
//强制I帧 Make a I frame
int lChannel = 1; //通道号 Channel number
HK32ChCNetSDK.NET_DVR_MakeKeyFrame(m_lUserID, lChannel);
//开始录像 Start recording
if (!HK32ChCNetSDK.NET_DVR_SaveRealData(m_lRealHandle, sVideoFileName))
{
var iLastErr = HK32ChCNetSDK.NET_DVR_GetLastError();
staticMsg = string.Format("视频测点 {0} 录像失败：{1}", currentDefInfo.Devname, sVideoFileName);
this.StaticMsg.Caption = staticMsg;
}
else
{
staticMsg = string.Format("视频测点 {0} 开始录像...", currentDefInfo.Devname);
this.StaticMsg.Caption = staticMsg;
this.btnrecord.Text = "停止录像";
m_bRecord = true;
}
}
else
{
//停止录像
if (!HK32ChCNetSDK.NET_DVR_StopSaveRealData(m_lRealHandle))
{
var iLastErr = HK32ChCNetSDK.NET_DVR_GetLastError();
staticMsg = string.Format("视频测点 {0} 停止录像失败：NET_DVR_StopSaveRealData_{1}", currentDefInfo.Devname, iLastErr);
this.StaticMsg.Caption = staticMsg;
}
else
{
m_lRealHandle = -1;
staticMsg = string.Format("视频测点 {0} 录像成功：{1}", currentDefInfo.Devname, sVideoFileName);
this.btnrecord.Text = "录像";
}
}
}
catch (Exception ex)
{
LogHelper.Error("视频测点录像失败！" + ex.Message);
}
}
/// <summary>
/// 关闭窗体时释放资源
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void frmVideoPreview_FormClosed(object sender, FormClosedEventArgs e)
{
VideoDispose();
if (m_bInitSDK == true)
{
HK32ChCNetSDK.NET_DVR_Cleanup();
}
if (blnInit)
{
NETClient.Cleanup();
}
this.Dispose();
}
/// <summary>
/// 抓图
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btndraw_Click(object sender, EventArgs e)
{
try
{
if (currentDefInfo.Vendor == 0)
{
//图片保存路径和文件名
string picFileName = "C:\\maspicture\\" + currentDefInfo.Devname + "_" + DateTime.Now.ToString("yyyyMMddHHmmss") + ".bmp";
//BMP抓图 Capture a BMP picture
if (!HK32ChCNetSDK.NET_DVR_CapturePicture(m_lRealHandle, picFileName))
{
var iLastErr = HK32ChCNetSDK.NET_DVR_GetLastError();
staticMsg = string.Format("视频测点 {0} 抓图失败：NET_DVR_CapturePicture_{1}", currentDefInfo.Devname, iLastErr);
this.StaticMsg.Caption = staticMsg;
}
else
{
staticMsg = string.Format("视频测点 {0} 抓图成功：{1}", currentDefInfo.Devname, picFileName);
this.StaticMsg.Caption = staticMsg;
}
}
else if (currentDefInfo.Vendor == 1)
{
if (m_IsSetCaptureCallBack == false)
{
NETClient.SetSnapRevCallBack(m_SnapRevCallBack, IntPtr.Zero);
m_IsSetCaptureCallBack = true;
}
NET_SNAP_PARAMS snap = new NET_SNAP_PARAMS();
snap.Channel = (uint)0;
snap.Quality = 6;
snap.ImageSize = 2;
snap.mode = 0;
snap.InterSnap = 0;
snap.CmdSerial = m_SnapSerialNum;
bool ret = NETClient.SnapPictureEx(loginID, snap, IntPtr.Zero); //call capture function.
if (ret)
{
m_SnapSerialNum++;
}
}
}
catch (Exception ex)
{
LogHelper.Error("视频测点抓图失败！" + ex.Message);
}
}
/// <summary>
/// 释放摄像头资源
/// </summary>
private void VideoDispose()
{
if (m_lRealHandle >= 0)
{
HK32ChCNetSDK.NET_DVR_StopRealPlay(m_lRealHandle);
this.btnpreview.Text = "预览";
}
if (m_lUserID >= 0)
{
HK32ChCNetSDK.NET_DVR_Logout(m_lUserID);
}
if (realHandle != IntPtr.Zero)
{
NETClient.StopRealPlay(realHandle);
}
if (loginID != IntPtr.Zero)
{
NETClient.Logout(loginID);
}
}
private void btndown_MouseUp(object sender, MouseEventArgs e)
{
HK32ChCNetSDK.NET_DVR_PTZControlWithSpeed(m_lRealHandle, HK32ChCNetSDK.TILT_DOWN, 1, 5);
}
private void btnright_MouseUp(object sender, MouseEventArgs e)
{
HK32ChCNetSDK.NET_DVR_PTZControlWithSpeed(m_lRealHandle, HK32ChCNetSDK.PAN_RIGHT, 1, 5);
}
private void btnleft_MouseDown(object sender, MouseEventArgs e)
{
HK32ChCNetSDK.NET_DVR_PTZControlWithSpeed(m_lRealHandle, HK32ChCNetSDK.PAN_LEFT, 0, 5);
}
private void btnup_MouseDown(object sender, MouseEventArgs e)
{
HK32ChCNetSDK.NET_DVR_PTZControlWithSpeed(m_lRealHandle, HK32ChCNetSDK.TILT_UP, 0, 5);
}
/// <summary>
/// 预览
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnpreview_Click(object sender, EventArgs e)
{
try
{
if (currentDefInfo.Vendor == 0)
{
if (m_lRealHandle < 0)
{
HK32ChCNetSDK.NET_DVR_PREVIEWINFO lpPreviewInfo = new HK32ChCNetSDK.NET_DVR_PREVIEWINFO();
lpPreviewInfo.hPlayWnd = videopicture.Handle; //预览窗口
lpPreviewInfo.lChannel = currentDefInfo.Channel; //预te览的设备通道
lpPreviewInfo.dwStreamType = 0; //码流类型：0-主码流，1-子码流，2-码流3，3-码流4，以此类推
lpPreviewInfo.dwLinkMode = 0; //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
lpPreviewInfo.bBlocked = true; //0- 非阻塞取流，1- 阻塞取流
lpPreviewInfo.dwDisplayBufNum = 15; //播放库播放缓冲区最大缓冲帧数
HK32ChCNetSDK.REALDATACALLBACK RealData = new HK32ChCNetSDK.REALDATACALLBACK(RealDataCallBack); //预览实时流回调函数
IntPtr pUser = new IntPtr(); //用户数据
//打开预览
m_lRealHandle = HK32ChCNetSDK.NET_DVR_RealPlay_V40(m_lUserID, ref lpPreviewInfo, null /*RealData*/, pUser);
if (m_lRealHandle < 0)
{
var iLastErr = HK32ChCNetSDK.NET_DVR_GetLastError();
staticMsg = string.Format("视频测点 {0} 预览失败： NET_DVR_RealPlay_V40_{1}", currentDefInfo.Devname, iLastErr);
this.StaticMsg.Caption = staticMsg;
}
else
{
this.btnpreview.Text = "停止预览";
staticMsg = string.Format("视频测点 {0} 预览成功...", currentDefInfo.Devname);
this.StaticMsg.Caption = staticMsg;
}
}
//停止预览
else
{
if (!HK32ChCNetSDK.NET_DVR_StopRealPlay(m_lRealHandle))
{
var iLastErr = HK32ChCNetSDK.NET_DVR_GetLastError();
staticMsg = string.Format("视频测点 {0} 停止预览失败：NET_DVR_StopRealPlay_{1}", currentDefInfo.Devname, iLastErr);
this.StaticMsg.Caption = staticMsg;
}
else
{
m_lRealHandle = -1;
videopicture.Refresh();
staticMsg = string.Format("视频测点 {0} 停止预览...", currentDefInfo.Devname);
this.btnpreview.Text = "预览";
}
}
}
else if (currentDefInfo.Vendor == 1)
{
if (realHandle == IntPtr.Zero)
{
realHandle = NETClient.StartRealPlay(loginID, currentDefInfo.Channel, videopicture.Handle, EM_RealPlayType.Realplay, m_RealDataCallBack, m_RealPlayDisConnectCallBack, IntPtr.Zero, TimeOut);
if (realHandle != IntPtr.Zero)
{
videopicture.Refresh();
staticMsg = string.Format("视频测点 {0} 预览成功...", currentDefInfo.Devname);
this.btnpreview.Text = "停止预览";
}
}
else
{
NETClient.StopRealPlay(realHandle);
videopicture.Refresh();
realHandle = IntPtr.Zero;
staticMsg = string.Format("视频测点 {0} 停止预览...", currentDefInfo.Devname);
this.btnpreview.Text = "预览";
}
}
}
catch (Exception ex)
{
LogHelper.Error("视频测点预览失败！" + ex.Message);
}
}
