If you have to send video signals to different monitors or screens, then the Lumantek ez-Line Router VM16 is a perfect solution. Controlling this device from your PC over Ethernet is easy. Lumantek can also provide their SDK & API for your own application.
ez-Line Router VM16 has a few ways to control. One of the controllers is the RCP unit. You can install this unit along with the router to distribute your 16 signals to appropriate ports.
Another function that ez-Line Router VM16 provides is the ability to control through computer software. The user can connect the router to a PC using an Ethernet cable and control through a software.
SDK & API for your application
If you need to modify the control to your needs, then Lumantek will provide SDK & API for you. Create your own commands to control ez-Line VM16.
16 x SDI
1 x SDI (Reference)
2 x RS422 (Control)
16 x SDI