public bool VideoPlayEx()
{
bool bolResule = false;
currentVideoInfo.VideoLoginStateChangeEvent += VideoLoginStateChanged; //注册事件
VideoPlayState = Enum_VideoPlayState.Connecting; //状态置为连接中
VideoPlayCallback(new VideoPlayCallbackValue {
evType = Enum_VideoPlayEventType.LoginStart
}); //开始登陆
//如果当前未登录，通过登陆状态改变回调触发实时播放
//如果已经登陆，直接获取登陆句柄进行实时预览
string Temp_strKey = GetDevListKey(CurrentVideoInfo);
if (SDK_XMSDK.DeviceLogin(Temp_strKey))
{
lLogin = CurrentVideoInfo.LoginHandle;
Thread t = new Thread(new ThreadStart(VideoRealPlay));
t.IsBackground = true;
t.Start();
}
return(bolResule);
}
private void VideoRealPlay()
{
H264_DVR_CLIENTINFO playstru = new H264_DVR_CLIENTINFO();
playstru.nChannel = CurrentCameraInfo.Channel - 1;
playstru.nStream = 1;
playstru.nMode = 0;
playstru.hWnd = intptrPlayMain;
bolRequestRealVideoFlag = true;
int Temp_intCount = 0;
while (bolRequestRealVideoFlag)
{
VideoPlayCallback(new VideoPlayCallbackValue {
evType = Enum_VideoPlayEventType.RequestConn
});
m_iPlayhandle = SDK_XMSDK.H264_DVR_RealPlay(Convert.ToInt32(lLogin), ref playstru);
if (m_iPlayhandle > 0)
{
CurrentVideoInfo.NetworkState = 1;//在线
VideoPlayState = Enum_VideoPlayState.InPlayState;
VideoPlayCallback(new VideoPlayCallbackValue {
evType = Enum_VideoPlayEventType.VideoPlay
}); //开始播放
bolRequestRealVideoFlag = false;
if (CurrentVideoPlaySet.VideoRecordEnable)
{
XMVideo_VideoRecordStart(CurrentVideoPlaySet.VideoRecordFilePath);
}
}
else
{
VideoPlayState = Enum_VideoPlayState.NotInPlayState;
int intResult = SDK_XMSDK.H264_DVR_GetLastError();
//视频播放异常，后期根据 H264_DVR_GetLastError 获取错误码进行操作及 提示
switch (intResult)
{
case (int)SDK_RET_CODE.H264_DVR_NATCONNET_REACHED_MAX:
VideoPlayCallback(new VideoPlayCallbackValue {
evType = Enum_VideoPlayEventType.ConnNumMax
}); //达到最大连接数量
break;
case (int)SDK_RET_CODE.H264_DVR_INVALID_HANDLE: //句柄错误
VideoPlayCallback(new VideoPlayCallbackValue {
evType = Enum_VideoPlayEventType.VideoPlayException, EventContent = intResult.ToString() + "句柄错误"
}); //视频播放异常
//退出,重新登陆
//注意: 有可能是后台登陆成功后触发这个错误 重新调用登陆接口打开新线程进行登陆
//将重连播放的标签置为Flase 结束前一个登陆线程
int Temp_intResult = SDK_XMSDK.H264_DVR_Logout(lLogin);
CurrentVideoInfo.LoginHandle = -1;
CurrentVideoInfo.LoginState = 0;
SDK_XMSDK.DeviceLogin(CurrentVideoInfo);
bolRequestRealVideoFlag = false;
break;
default:
VideoPlayCallback(new VideoPlayCallbackValue {
evType = Enum_VideoPlayEventType.VideoPlayException, EventContent = intResult.ToString()
}); //视频播放异常
break;
}
Thread.Sleep(2000);
}
if (Temp_intCount > c_intMaxRealPlayNum || m_iPlayhandle > 0)
{
bolRequestRealVideoFlag = false;
}
Temp_intCount++;
}
}