Limelight
What is Picture-in-Picture?
Picture-in-picture (PiP) places a small secondary video frame inside or over a larger one, like a webcam thumbnail in the corner of a screen share.
Picture-in-picture, abbreviated PiP, shows two video sources at once by nesting a small frame inside a larger one. The classic example is a presenter's webcam in the corner of a shared desktop, but operating systems also use PiP to float a playing video over other apps while you keep working.
Picture-in-picture differs from a split-screen layout, where sources sit side by side at comparable size, and from a full overlay that covers the whole frame. PiP keeps one source dominant and the other as a small, often movable inset.
In presenting, streaming, and recording, PiP keeps a speaker visible without hiding the content they are demonstrating. It is arranged by the compositor or the operating system, not by annotation tools. Limelight works on a separate layer of the live macOS screen, adding cursor spotlights, keystrokes, and drawing, and it does not create, position, or record picture-in-picture frames.
Why Limelight
- ▸Nests a small video frame inside or over a larger one
- ▸Used for webcam insets in screen shares and floating media players
- ▸Provided by macOS, browsers, and streaming compositors
- ▸Differs from side-by-side split-screen layouts
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FAQ
- Can the picture-in-picture frame be moved?
- Usually yes. Most PiP implementations let you drag the inset to any corner and often resize it so it does not cover important content.
- Does Limelight provide picture-in-picture?
- No. Limelight is a macOS overlay for highlighting and annotation. Picture-in-picture is handled by your streaming, conferencing, or system video player.