Scoreboards and Video Routing in Python
Scorekeeper
© Photo by Johnny Briggs on Unsplash
We look at a broadcast video system network that uses Python code to control a video router and check out another program that creates a scoreboard.
Each year my church hosts a basketball league, and several years ago we wanted to upgrade to digital scoreboards because our existing classic board was showing its age. The first version of this new scoreboard software was written in Python [1] and used the GTK toolkit to create the public display. A web page designed for an iPad allowed courtside control.
The gym is a shared space that also hosts a meeting room, party hall, and general-purpose room. To support these roles, two NUC small-form-factor computers drive the displays (100-inch LCD TVs). Windows was necessary to support all of the display software so that PowerPoint and ProPresenter would run natively.
In general, a video system has a hub-and-spoke-style network wherein each device has a dedicated home that runs to a video switcher (Figure 1). The video switcher, as its name implies, accepts all of the video inputs and allows the operator to pick which one should be displayed, overlaid, or otherwise presented to the final output (Figure 2).
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