public int SignOutCamera()
{
if (m_lReadHandle >= 0)
{
LoggerService.logger.Info($"摄像IP：{ip} 请先停止预览!");
return(-2);
}
if (!HKNetSDKS.NET_DVR_Logout(m_lUserId))
{
LoggerService.logger.Error($"摄像IP：{ip} 注销失败[{HKNetSDKS.NET_DVR_GetLastError()}]!");
return(-3);
}
LoggerService.logger.Info($"摄像IP：{ip} 注销 成功！");
m_lUserId = -1;
if ((taskStartRealPlay != null) && (taskStartRealPlay.IsCompleted))
{
taskStartRealPlay = null;
}
Statue = CameraStatue.SignOut;
return(0);
}
public Camera(string ip, ushort port, string user, string pwd)
: this()
{
this.Ip = ip;
this.port = port;
this.user = user;
this.pwd = pwd;
Statue = CameraStatue.SignOut;
}
/// <summary>
/// 根据保存的ip地址，用户名，密码等信息
/// </summary>
public int SignCamera()
{
if (!this.checkSignParam())
{
//检测出用于登录的参数有问题
return(-1);
}
//该摄像机未登录
if (Statue == CameraStatue.SignOut)
{
//初始化登录信息结构体
struLogInfo = new HKNetSDKS.NET_DVR_USER_LOGIN_INFO();
//复制IP地址到结构体中
byte[] byIp = System.Text.Encoding.Default.GetBytes(Ip);
struLogInfo.sDeviceAddress = new byte[129];
byIp.CopyTo(struLogInfo.sDeviceAddress, 0);
//复制用户名到登录结构体中
byte[] byUser = System.Text.Encoding.Default.GetBytes(user);
struLogInfo.sUserName = new byte[64];
byUser.CopyTo(struLogInfo.sUserName, 0);
//复制登录密码到登录结构体中
byte[] byPwd = System.Text.Encoding.Default.GetBytes(pwd);
struLogInfo.sPassword = new byte[64];
byPwd.CopyTo(struLogInfo.sPassword, 0);
//复制端口号到登录结构体中
struLogInfo.wPort = port;
DeviceInfo = new HKNetSDKS.NET_DVR_DEVICEINFO_V40();
//尝试登录设备，如果登录成功，则返回值会大于等于0,在这里使用的是同步登陆方式，会所在线程进进入阻塞状态
m_lUserId = HKNetSDKS.NET_DVR_Login_V40(ref struLogInfo, ref DeviceInfo);
//登录设备，并获取设备信息，当登录失败，该
if (m_lUserId < 0)
{
//获取错误代码，并返回改错误代码
LoggerService.logger.Error($"摄像IP：{ip} 登录失败[{HKNetSDKS.NET_DVR_GetLastError()}]!");
return((int)HKNetSDKS.NET_DVR_GetLastError());
}
//登录成功
else
{
Statue = CameraStatue.SignIn;
LoggerService.logger.Info($"摄像IP：{ip} 登录成功！");
}
}
return(0);
}
public async Task <int> StopRealPreview()
{
if (m_lReadHandle < 0)
{
LoggerService.logger.Error($"摄像头{ip}，未启动过预览。");
return(-1);
}
if (!HKNetSDKS.NET_DVR_StopRealPlay(m_lReadHandle))
{
LoggerService.logger.Error($"摄像头{ip}，播放器无法停止预览。错误代码：{HKNetSDKS.NET_DVR_GetLastError()}");
}
if (m_lPort >= 0)
{
if (!HKPlayCtrlSDK.PlayM4_Stop(m_lPort))
{
LoggerService.logger.Error($"摄像头{ip}，播放器无法停止工作。错误代码：{HKPlayCtrlSDK.PlayM4_GetLastError(m_lPort)}");
}
if (!HKPlayCtrlSDK.PlayM4_CloseStream(m_lPort))
{
LoggerService.logger.Error($"摄像头{ip}，播放器无法关闭数据流。错误代码：{HKPlayCtrlSDK.PlayM4_GetLastError(m_lPort)}");
}
if (!HKPlayCtrlSDK.PlayM4_FreePort(m_lPort))
{
LoggerService.logger.Error($"摄像头{ip}，播放器无法释放播放端口。错误代码：{HKPlayCtrlSDK.PlayM4_GetLastError(m_lPort)}");
}
m_lPort = -1;
}
LoggerService.logger.Info($"摄像头{ip}，已停止预览。");
m_lReadHandle = -1;
Statue = CameraStatue.StopReadPlay;
if (PictrueBoxId != null)
{
PictrueBoxId.Invalidate();
PictrueBoxId = null;
}
return(0);
}
/// <summary>
/// 执行进行监控预览
/// </summary>
/// <returns>-2：启动预览错误；-1：设备未登录，0：执行正常</returns>
public int RealPreview()
{
//如果设备未登录
if (m_lUserId < 0)
{
LoggerService.logger.Info("请先登录该网络视频设备后再预览!");
return(-1);
}
//如果没有创建过预览句柄
//则进行预览设置
if (m_lReadHandle < 0)
{
HKNetSDKS.NET_DVR_PREVIEWINFO lpPreviewInfo = new HKNetSDKS.NET_DVR_PREVIEWINFO();
lpPreviewInfo.hPlayWnd = IntPtr.Zero;
lpPreviewInfo.lChannel = ChannelNum;
lpPreviewInfo.dwStreamType = 0; //主码流
lpPreviewInfo.dwLinkMode = 0; //TCP方式
lpPreviewInfo.bBlocked = true; //阻塞式
lpPreviewInfo.dwDisplayBufNum = 1; //播放库显示缓存区最大的帧数
IntPtr pUser = IntPtr.Zero;
//RealDataCallBack回调函数，摄像头有每一帧的信息传过来后，当前的线程都会调用该函数，告诉解码器将视频流解码
ReadData = new HKNetSDKS.REALDATACALLBACK(RealDataCallBack);
//把海康预览的结构体放在函数里，根据结构体的信息，比如通信方式等等，跟摄像头通信，创建成功，则返回一个专门用来预览的资源句柄，相当于一个线程
m_lReadHandle = HKNetSDKS.NET_DVR_RealPlay_V40(m_lUserId, ref lpPreviewInfo, ReadData, pUser);
if (m_lReadHandle < 0)
{
LoggerService.logger.Error($"摄像头{ip}，启动预览失败，错误代码：{HKNetSDKS.NET_DVR_GetLastError()}");
return(-2);
}
else
{
LoggerService.logger.Info($"摄像头{ip}，启动预览成功！");
Statue = CameraStatue.OnReadPlay;
}
}
return(0);
}