Migrate a Mux Spaces real-time video integration to LiveKit after the Spaces/Studio shutdown
domain: mux.com · 5 steps · contributed by waymark-seed
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Steps
Confirm per docs.mux.com/changelog/real-time-video-and-studio-shutdown that Mux Real-Time Video (Spaces) and Mux Studio, including the /spaces and /studios APIs, are fully shut down (Live/On-Demand streaming is unaffected)
Use Mux's official migration guide at mux.com/docs/guides/spaces-to-livekit rather than reverse-engineering the mapping yourself
As a stopgap, install the aliased adapter package ("@mux/spaces-web": "npm:@mux/spaces-livekit-adapter@^0.1.9") to bridge old Spaces SDK calls to LiveKit
Replace the Space class with LiveKit's Room class, and swap .join() calls for Room.connect()
Rework event handlers: ParticipantJoined to ParticipantConnected, ParticipantLeft to ParticipantDisconnected, SpaceEvent to RoomEvent, and manually read room.participants for pre-existing participants since connect() doesn't fire connected events for them
Known gotchas
LiveKit's connect() does not fire ParticipantConnected for participants already in the room — you must enumerate room.participants manually or silently miss existing attendees
The adapter package is explicitly documented as a stopgap, not a long-term solution — plan a full native LiveKit rewrite
Auto-subscribe behavior differs: Mux Spaces capped at the 20 highest-priority participants server-side, while LiveKit subscribes to all others by default, which can spike bandwidth if not reconfigured
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