Cross-Origin Webcam Permission Demo

Configuration

Permissions (what browser is asked for)

Camera only Mic only Both

Display (what iframe renders)

Video only Audio meter Both

Show debug UI in iframe

Browser permission state (reported by iframe on load)

Camera: —

Microphone: —

Embedded stream (cross-origin iframe)

Controls

Idle

Second iframe — /video page

iframe not loaded

Safari limitation: When the parent page triggers getUserMedia() inside a cross-origin iframe via postMessage, Safari does not propagate granted permissions into the iframe context. Use "Reload & auto-start" to test whether the browser reuses cached permissions when the iframe navigates independently.