How to solve the loss of video source during easynvr split screen switching?

EasyNVR The video platform can carry out multi-threaded live broadcast , The new version of the updated video split screen function also makes the multi-threaded live broadcast more intuitive . Users often ask us how many video streams we can access , In fact, this is not fixed , The details should be based on the on-site network and server .EasyNVR The Intelligent Cloud terminal of can be connected to 64 Video stream of channel , The number of channels in the software version can reach more than 1000 , It is very practical in scenes with many points .

If you need to watch some video streams at the same time , It can be played directly through split screen , But we have recently dealt with the problem of split screen technology , The video source is lost during split screen switching . As shown in the figure, select video preview in quadruple screen , When switching other split screens , The previously selected video source is lost and cannot be displayed normally , Pictured ：

After checking the code, it is found that the list is cleared directly after switching allocation , The previous video source is lost ：

Then optimize the code , The compiled code is as follows , The bug Can solve ：

EasyNVR One of the main characteristics of is small and beautiful 、 It's easy to operate 、 Easy to deploy 、 The difficulty of secondary development is small , Operationally, you can decompress the installation package to run , Web page login can be achieved , Even technicians without experience in streaming media development, operation and maintenance can deploy quickly , Welcome to know .