/// <summary>
/// 适用于场景轮巡
/// </summary>
/// <param name="roundScene">null 引发ArgumentNullException异常</param>
public VideoRoundTask(VideoRoundSceneView roundScene)
{
if (roundScene == null)
{
throw new ArgumentNullException("参数roundScene未设置为对象引用实例");
}
this.m_videoRoundScene = roundScene;
}
public VideoRoundSceneView GetVideoRoundSceneViewById(Guid videoRoundSceneId)
{
using (var db = new AllInOneContext.AllInOneContext())
{
VideoRoundSceneView sceneView = null;
//先获取轮巡场景
var scene = db.VideoRoundScene.Include(t => t.VideoRoundSections).ThenInclude(t => t.TemplateLayout).ThenInclude(t => t.Cells).
Include(t => t.VideoRoundSections).ThenInclude(t => t.RoundMonitorySiteSettings).ThenInclude(t => t.MonitorySite).ThenInclude(t => t.Camera).
FirstOrDefault(t => t.VideoRoundSceneId.Equals(videoRoundSceneId));
//获取摄像机信息
var cameras = GetAllCameraView(db);
//按照场景视图定义封装数据
List <VideoRoundSectionView> sectionViews = new List <VideoRoundSectionView>();
scene.VideoRoundSections.ForEach(f =>
{
//场景片段的摄像机
var sectionCams = (from ms in (f.RoundMonitorySiteSettings ?? new List <VideoRoundMonitorySiteSetting>())
join cam in cameras on ms.MonitorySite.CameraId equals cam.CameraId
select new
{
PlayInfo = new RealPlayParam()
{
CameraView = cam,
StreamType = (VideoStream)ms.VideoStream,
},
MonitorView = new MonitorView()
{
Monitor = ms.Monitor,
SubView = ms.SubView
}
}).ToList();
//select cam).ToList();
sectionViews.Add(new VideoRoundSectionView()
{
PlayInfoList = sectionCams.Select(a => a.PlayInfo).ToList(),
Monitors = sectionCams.Select(a => a.MonitorView).ToList(),
RoundInterval = f.RoundInterval,
TemplateLayout = f.TemplateLayout
});
});
sceneView = new VideoRoundSceneView()
{
VideoRoundSceneName = scene.VideoRoundSceneName,
VideoRoundSections = sectionViews
};
return(sceneView);
}
}
/// <summary>
/// 适用于普通视频轮巡
/// </summary>
/// <param name="cameras">轮巡监控点</param>
/// <param name="template">视频模板</param>
/// <param name="roundInterval">轮巡间隔</param>
public VideoRoundTask(IEnumerable <CameraView> cameras, TemplateLayout template, int roundInterval)
{
if (cameras == null)
{
throw new ArgumentNullException("参数monitorysites未设置为对象引用实例");
}
if (cameras.Count() == 0)
{
throw new Exception("参数monitorysitesl元素数量不能少于0");
}
if (template == null)
{
throw new ArgumentNullException("参数template未设置为对象引用实例");
}
if (roundInterval < 0)
{
throw new Exception("参数roundInterval不能少于0");
}
int stepLength = template.Cells.Count();
int monitorysiteCount = cameras.Count();
int sectionCount = monitorysiteCount % stepLength == 0 ? monitorysiteCount / stepLength : monitorysiteCount / stepLength + 1;
m_videoRoundScene = new VideoRoundSceneView();
m_videoRoundScene.VideoRoundSections = new List <VideoRoundSectionView>();
for (int i = 0; i < sectionCount; ++i)
{
VideoRoundSectionView section = new VideoRoundSectionView();
section.RoundInterval = roundInterval;
section.TemplateLayout = template;
List <RealPlayParam> playInfoList = new List <RealPlayParam>();
cameras.Skip(i * stepLength).Take(stepLength).ToList().ForEach(t => {
playInfoList.Add(new RealPlayParam()
{
CameraView = t
});
});
section.PlayInfoList = playInfoList;
m_videoRoundScene.VideoRoundSections.Add(section);
}
}
public override void Execute()
{
try
{
//视频上墙参数整理
_logger.LogInformation("执行视频上墙动作 Begin....");
if (m_actionArgumentList != null && m_actionArgumentList.Count > 0)
{
//获取上墙场景数据
var videoRoundSceneId = m_actionArgumentList.FirstOrDefault().VideoRoundSceneId;
string url = string.Format("{0}/Resources/VideoRoundScene/View/videoRoundSceneId={1}", GlobalSetting.AppServerBaseUrl,
videoRoundSceneId);
VideoRoundSceneView sceneView = HttpClientHelper.GetOne <VideoRoundSceneView>(url);
if (sceneView != null)
{
Resources.Model.ServiceInfo dvm = TaskUtility.GetDefaultDMCService();
if (dvm != null)
{
m_TvActionApi = new TvActionApi(dvm);
VideoRoundTask = new VideoRoundTask(sceneView);
VideoRoundTask.ExecuteRoundAction += ExecuteRoundActionInvoke;
//判断是否为报警预案
bool executed = false;
if (PlanTrigger != null)
{
RemoveBeforePlanAction();
_logger.LogInformation("报警联动预案，优先响应！");
executed = true;
}
else //普通预案启动
{
//判断是否有报警预案启动，有则不启动
var alarmTvAction = s_cacheTvAction.FirstOrDefault(t => t.PlanTrigger != null && t.VideoRoundTask != null &&
t.VideoRoundTask.RoundStatus == RoundStatus.Running);
if (alarmTvAction != null)
{
_logger.LogInformation("当前有报警预案正在联动执行，将上墙动作执行缓存到列表");
}
else
{
executed = true;
}
}
//暂停所有其他视频上墙
if (executed)
{
s_cacheTvAction.ForEach(t =>
{
if (t.VideoRoundTask != null && t.VideoRoundTask.RoundStatus == RoundStatus.Running)
{
t.VideoRoundTask.Pause();
}
});
_logger.LogInformation("满足条件，执行视频上墙动作");
VideoRoundTask.Start();
}
s_cacheTvAction.Add(this);
}
else
{
_logger.LogInformation("没有配置矩阵服务器，取消视频上墙动作");
}
}
else
{
_logger.LogInformation("没有找到预案场景！！！");
}
}
_logger.LogInformation("执行视频上墙动作 End....");
}
catch (Exception ex)
{
_logger.LogError("执行实时视频预览异常：Message:{0}\r\nStackTrace:{1}", ex.Message, ex.StackTrace);
}
}
