RCWeb Screen Out App

The RCWeb Screen Out App (app/screen-out) is a minimal, fullscreen screen output viewer. It follows the Asymmetric Pattern: a single screen-control broadcaster publishes a WebRTC stream and this app displays it edge-to-edge with no surrounding UI.

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What it does

• Single-screen display: Accepts the first incoming screen-control stream and renders it fullscreen with no chrome.
• Waiting state with QR code: While no broadcaster is connected, displays a "Waiting for screen share to connect..." message and a QR code that links directly to the screen-control app in the same room.
• No UI framework: Does not use UIKit or any other component library, just a <video> element and a minimal overlay.
• Click to fullscreen: Tapping or clicking the video toggles the browser fullscreen mode.

How it works

• RCWeb signaling: script.js uses rc.sendFunctionCall(...) for the same WebRTC signaling protocol as screen-view (requesting streams, exchanging SDP answers and ICE candidates).
• Receive-only peer connection: A single RTCPeerConnection with recvonly transceivers keeps the viewer passive.
• Inline QR code generator: Uses the bundled QR library to render a join code that opens the matching controller room.
• Auto transitions: The waiting overlay fades out when video goes live and reappears if the broadcaster leaves or the connection drops.

Notes

• Audio is unmuted by default. If the browser blocks autoplay with audio, the video will fall back to muted playback.
• Like the screen-view app, this viewer relies on STUN servers and does not include TURN relay support.

Launch RCWeb App