Also known as v4l, v4l2
Video4Linux (V4L for short) is a collection of device drivers and an API for supporting realtime video capture on Linux systems. It supports USB webcams, TV tuners, CSI cameras, and related devices, standardizing their output, so programmers can easily add video support to their applications.
via Wikipedia infobox
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).