How to solve the problem of missing alarm information and synchronization when Haikang equipment is connected to easycvr?

EasyCVR It can support the equipment to pass the national standard GB28181、RTMP、RTSP/Onvif、 The sea, SDK、 Dahua SDK、Ehome Wait for protocol access , External distribution RTSP、RTMP、FLV、HLS、WebRTC Video streams of the same format . The platform can support massive video convergence management , It can provide live video surveillance 、 Cloud video 、 Cloud storage 、 Video retrieval and review 、 Intelligent alarm 、 Platform cascading 、 Intelligent analysis and other video services .

When the front end equipment includes alarm deployment function , The user configures the alarm information of the device ,EasyCVR The platform can get the alarm information of the equipment in real time , It also supports synchronously capturing the alarm status recorded by all devices , And the alarm level of the equipment 、 Alarm mode 、 Alarm type 、 Alarm time and other information are displayed on the platform .

In the use of a project , There's user feedback , The new Haikang equipment passed GB28181 Protocol access to EasyCVR Behind the platform , Live video and other functions are normal , But the warning information has not been available , Ask us for assistance in troubleshooting .

According to the user's feedback , We immediately grab the bag to check , The subscription message returned 400, Pictured ：

National standard GB28181 The protocol defines a series of information transmission 、 Interaction 、 Control the required protocols , Among them is ：

• Equipment control ： It supports sending control information to specified devices , Like a ball machine / Pan tilt control 、 Video control 、 Deployment of alarm equipment / Withdrawal, etc .

• Alarm event notification and distribution ： Receive the alarm information sent by the alarm source in real time , Timely distribute the alarm information to the corresponding user terminal or system according to the alarm disposal plan 、 equipment .

When subscribing to the camera alarm, you need to make the following settings ： Set event function （ Motion detection 、 Video occlusion ） All enabled , otherwise , Alarm events cannot be received after arming and subscribing to alarms .

The channel deployment configuration is as follows ：

• SetGuard： deploy troops for defence
• ResetGuard： To disarm

The above user feedback , It can be accessed by setting defense , The alarm information of the modified equipment has come up .

EasyCVR The video fusion cloud platform has strong compatibility 、 High openness 、 Flexible expansion 、 Features of easy deployment , Make it become the mainstream video capability layer service platform in the security market . The platform has landing project applications in many scenarios , Such as smart construction site 、 Intelligent Security 、 Smart factory 、 Smart Park, etc , Interested users can go to the demonstration platform for experience or deployment testing .