Troubleshooting of black screen after easynvr is cascaded to the upper platform and played for one minute

At the beginning of the year , We will EasyNVR The function of has been refined ,EasyNVR At present, it also supports the national standard GB28181 Cascade of protocols . If you want to know more about EasyNVR The cascading function of , Can pass EasyNVR+EasyGBS Test the program , Of course EasyNVR It can also be cascaded to other superior platforms .

stay EasyNVR After cascading the upper platform , A black screen appears one minute after playing the video stream , However EasyNVR Platform video can be played all the time , Explain that there is no problem with the flow . Check the log EasyNVR Platform cascading messages are also correct . Check again EasyNVR Channel configuration , The user is configured on demand , Find the code when streaming , It is found that live keeping messages need to be sent for on-demand playback , More than one minute after the keep alive message is sent , If the live time is not updated again, the streaming will end .

Then find the national standard cascade Invite news , Find out NVR After receiving the message , There is no regular update of the live time , Therefore, there is a phenomenon that the upper platform will cut off the stream and blank the screen after playing for one minute .

Just after receiving Invite When the news , The problem can be solved by updating the keep alive time in the timer ：

But the timer should not forget to exit , Otherwise, even if the on-demand live broadcast ends, the streaming will continue , So you also need to monitor the exit signal in the timer , Received Bye When the news , Send timer exit signal on the channel , Stop updating the live time , Ensure that the push current is disconnected .