Fix camera switch using useDualCamera hook
- Use useDualCamera for device enumeration and reliable switching - Auto-update LiveKit video track when camera swaps during live - Only show switch button if device has 2 cameras - Better camera unavailable state handling 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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SocioWire
parent
870921a482
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694a0aaaa2
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@ -1,5 +1,6 @@
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import { useState, useRef, useEffect, useCallback } from "react";
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import { useLiveKit } from "./useLiveKit";
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import { useDualCamera } from "./useDualCamera";
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import { useAuth } from "../../auth/AuthContext";
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import "./Live.css";
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@ -16,11 +17,8 @@ export default function LiveKitBroadcast({ coords, onClose, onStreamCreated }) {
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const [roomName] = useState(() => `live_${userID}_${Date.now()}`);
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const [title, setTitle] = useState("");
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const [localStream, setLocalStream] = useState(null);
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const [showConfirm, setShowConfirm] = useState(false);
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const [livePostId, setLivePostId] = useState(null);
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const [facingMode, setFacingMode] = useState("user");
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const [isSwitchingCamera, setIsSwitchingCamera] = useState(false);
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// Timer state
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const [liveStartTime, setLiveStartTime] = useState(null);
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@ -47,10 +45,23 @@ export default function LiveKitBroadcast({ coords, onClose, onStreamCreated }) {
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const videoRef = useRef(null);
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// Camera hook - handles device enumeration and swapping
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const {
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mainStream,
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isSwapped,
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error: cameraError,
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isStarting: cameraStarting,
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isSwapping,
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hasDualCameras,
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startCameras,
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swapCameras,
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stopCameras,
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} = useDualCamera();
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const {
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isLive,
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isConnecting,
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error,
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error: liveKitError,
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viewerCount,
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startBroadcast,
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stopBroadcast,
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@ -62,37 +73,22 @@ export default function LiveKitBroadcast({ coords, onClose, onStreamCreated }) {
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token: authToken,
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});
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const error = cameraError || liveKitError;
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// Start camera on mount
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useEffect(() => {
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const startCamera = async () => {
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try {
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const stream = await navigator.mediaDevices.getUserMedia({
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video: { facingMode: "user", width: 1280, height: 720 },
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audio: true,
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});
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setLocalStream(stream);
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if (videoRef.current) {
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videoRef.current.srcObject = stream;
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}
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} catch (err) {
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console.error("[LiveKit] Camera error:", err);
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}
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};
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startCamera();
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startCameras();
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return () => {
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if (localStream) {
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localStream.getTracks().forEach((t) => t.stop());
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}
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stopCameras();
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};
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}, []);
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// Update video element when stream changes
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useEffect(() => {
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if (videoRef.current && localStream) {
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videoRef.current.srcObject = localStream;
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if (videoRef.current && mainStream) {
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videoRef.current.srcObject = mainStream;
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}
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}, [localStream]);
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}, [mainStream]);
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// Timer effect - update every second when live
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useEffect(() => {
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@ -119,45 +115,23 @@ export default function LiveKitBroadcast({ coords, onClose, onStreamCreated }) {
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// Switch between front and back camera
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const switchCamera = useCallback(async () => {
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if (isSwitchingCamera) return;
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setIsSwitchingCamera(true);
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if (isSwapping || !hasDualCameras) return;
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try {
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const newFacingMode = facingMode === "user" ? "environment" : "user";
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await swapCameras();
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// Get new stream with switched camera
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const newStream = await navigator.mediaDevices.getUserMedia({
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video: { facingMode: newFacingMode, width: 1280, height: 720 },
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audio: true,
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});
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// If live, replace the video track in LiveKit after swap
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// Note: mainStream will be updated by useDualCamera, we need to wait for it
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}, [isSwapping, hasDualCameras, swapCameras]);
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// Stop old video tracks only (keep audio reference for LiveKit)
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if (localStream) {
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localStream.getVideoTracks().forEach((t) => t.stop());
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// Update LiveKit track when mainStream changes during live
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useEffect(() => {
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if (isLive && mainStream) {
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const newVideoTrack = mainStream.getVideoTracks()[0];
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if (newVideoTrack) {
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replaceVideoTrack(newVideoTrack);
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}
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// If live, replace the video track in LiveKit
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if (isLive) {
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const newVideoTrack = newStream.getVideoTracks()[0];
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await replaceVideoTrack(newVideoTrack);
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}
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// Update state
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setLocalStream(newStream);
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setFacingMode(newFacingMode);
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// Update video element
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if (videoRef.current) {
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videoRef.current.srcObject = newStream;
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}
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console.log("[LiveKit] Switched to", newFacingMode, "camera");
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} catch (err) {
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console.error("[LiveKit] Failed to switch camera:", err);
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} finally {
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setIsSwitchingCamera(false);
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}
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}, [facingMode, localStream, isSwitchingCamera, isLive, replaceVideoTrack]);
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}, [mainStream, isLive, replaceVideoTrack]);
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// Add a comment
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const handleAddComment = useCallback(() => {
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@ -183,13 +157,13 @@ export default function LiveKitBroadcast({ coords, onClose, onStreamCreated }) {
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alert("Please enter a title");
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return;
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}
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if (!localStream) {
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if (!mainStream) {
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alert("Camera not ready");
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return;
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}
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// Get video track from stream
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const videoTrack = localStream.getVideoTracks()[0];
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const videoTrack = mainStream.getVideoTracks()[0];
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await startBroadcast(videoTrack, true);
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// Start timer
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@ -238,13 +212,11 @@ export default function LiveKitBroadcast({ coords, onClose, onStreamCreated }) {
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console.error("[LiveKit] Failed to create live post:", err);
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alert("Live started, but we couldn't create the live post.");
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}
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}, [title, localStream, startBroadcast, roomName, liveCoords, onStreamCreated, authToken, username]);
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}, [title, mainStream, startBroadcast, roomName, liveCoords, onStreamCreated, authToken, username]);
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const handleEndStream = useCallback(async (save) => {
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await stopBroadcast();
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if (localStream) {
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localStream.getTracks().forEach((t) => t.stop());
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}
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stopCameras();
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// Stop egress recording and get video key
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let videoKey = "";
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@ -301,13 +273,11 @@ export default function LiveKitBroadcast({ coords, onClose, onStreamCreated }) {
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}
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}
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onClose?.();
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}, [stopBroadcast, localStream, onClose, livePostId, authToken, roomName, comments]);
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}, [stopBroadcast, stopCameras, onClose, livePostId, authToken, roomName, comments]);
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const handleBackdropClick = (e) => {
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if (e.target === e.currentTarget && !isLive) {
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if (localStream) {
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localStream.getTracks().forEach((t) => t.stop());
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}
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stopCameras();
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onClose?.();
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}
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};
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@ -340,9 +310,7 @@ export default function LiveKitBroadcast({ coords, onClose, onStreamCreated }) {
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if (isLive) {
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setShowConfirm(true);
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} else {
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if (localStream) {
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localStream.getTracks().forEach((t) => t.stop());
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}
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stopCameras();
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onClose?.();
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}
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}}
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@ -356,7 +324,7 @@ export default function LiveKitBroadcast({ coords, onClose, onStreamCreated }) {
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{/* Video preview */}
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<div className="sw-broadcast-video-area">
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<div className="sw-broadcast-main-video">
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{localStream ? (
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{mainStream ? (
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<video
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ref={videoRef}
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autoPlay
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@ -366,8 +334,17 @@ export default function LiveKitBroadcast({ coords, onClose, onStreamCreated }) {
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/>
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) : (
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<div className="sw-broadcast-video-placeholder">
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{cameraStarting ? (
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<>
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<i className="fa-solid fa-spinner fa-spin" />
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<span>Starting camera...</span>
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</>
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) : (
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<>
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<i className="fa-solid fa-video-slash" />
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<span>Camera unavailable</span>
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</>
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)}
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</div>
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)}
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@ -380,19 +357,21 @@ export default function LiveKitBroadcast({ coords, onClose, onStreamCreated }) {
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{/* Camera controls overlay */}
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<div className="sw-broadcast-controls-overlay">
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{hasDualCameras && (
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<button
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type="button"
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className="sw-broadcast-control-btn"
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onClick={switchCamera}
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disabled={isSwitchingCamera}
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title={facingMode === "user" ? "Switch to back camera" : "Switch to front camera"}
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disabled={isSwapping}
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title={isSwapped ? "Switch to front camera" : "Switch to back camera"}
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>
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{isSwitchingCamera ? (
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{isSwapping ? (
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<i className="fa-solid fa-spinner fa-spin" />
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) : (
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<i className="fa-solid fa-camera-rotate" />
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)}
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</button>
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)}
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</div>
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</div>
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</div>
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@ -496,7 +475,7 @@ export default function LiveKitBroadcast({ coords, onClose, onStreamCreated }) {
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type="button"
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className="sw-broadcast-btn primary"
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onClick={handleGoLive}
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disabled={isConnecting || !localStream}
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disabled={isConnecting || !mainStream}
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>
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{isConnecting ? (
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<>
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