The OpenH264 plugin is a binary module designed to be loaded by host applications to handle video processing. Cisco provides this binary at no cost and covers all for any application that downloads and uses their precompiled version. This makes it a preferred "companion" for open-source and free software that cannot legally bundle H.264 due to patent costs. Key Use Cases in Modern Software Companion - Bitfocus
gst-launch-1.0 videotestsrc ! openh264enc ! rtph264pay ! udpsink host=127.0.0.1 port=5000
import openh264 enc = openh264.Encoder() enc.encode(frame)
While OpenH264 remains a vital "companion" for legacy support and WebRTC, the tech world is moving toward and H.265 (HEVC) .