Building Real-Time Audio/Video Apps with Flutter and WebRTC

on YouTube ↗32m

" summary

Demo builds real‑time Flutter A/V with flutter_webrtc for low‑level APIs and LiveKit Flutter SDK for production SFU, using Firebase Cloud Firestore as the signaling store and STUN (Google) with coturn TURN server as backup. Workflow: getUserMedia → create room doc → exchange SDP/offers/answers and ICE candidates in Firestore. Finds P2P works for two peers but scales poorly; SFU (LiveKit or Agora) is recommended. Cites cost examples (1,000‑person one‑hour meeting: Agora ~$240, LiveKit ~$180) and notes demos sometimes show black‑screen bugs and limited end‑to‑end testing options.

AI-written summary · about

" chapters (11)

1. 0:00Introduction
2. 1:31WebRTC basics
3. 6:07P2P connections with WebRTC
4. 11:03P2P video call with Flutter & Firebase
5. 16:27P2P limits and SFU intro
6. 18:39Production app with LiveKit
7. 21:11Call notifications in Flutter
8. 24:46Testing cross-platform
9. 25:52WebRTC pricing
10. 29:51Summary
11. 31:19Q&A

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