In IP generation,  if a keyboard contorller could decode and display video on its screen, if it can offer hdmi output with split, that will be perfect.

The PE5128S design for that applications.

1. it is compatible with ONVIF, it can decode stream of H265/264 .

2. its inner screen can display the video from ip camera and network streams.

3. its 1ch hdmi output could be splitted to be 1/4/9/16/25.

4. management on video wall could make this keyboard work as a complete system.

please browse video clips: https://youtu.be/1eQIqa9Z908