Acts as a proxy that captures raw H.264 video data and packages it into an MP4 container.

: A lightweight Windows app that uses hardware encoding (H.264) to record specific windows or the entire desktop into MP4 files.

There are several developer-focused projects, such as rtsp2fmp4 , designed to take a live video feed (from a camera or "flat screen" device) and convert it into a web-compatible or standard MP4 format for real-time viewing.