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app/custom/VideoConferenceClientImpl.tsx

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+'use client';
+
+import { formatChatMessageLinks, RoomContext, VideoConference } from '@livekit/components-react';
+import {
+  ExternalE2EEKeyProvider,
+  LogLevel,
+  Room,
+  RoomConnectOptions,
+  RoomOptions,
+  VideoPresets,
+  type VideoCodec,
+} from 'livekit-client';
+import { DebugMode } from '@/lib/Debug';
+import { useEffect, useMemo, useState } from 'react';
+import { KeyboardShortcuts } from '@/lib/KeyboardShortcuts';
+import { SettingsMenu } from '@/lib/SettingsMenu';
+import { useSetupE2EE } from '@/lib/useSetupE2EE';
+import { useLowCPUOptimizer } from '@/lib/usePerfomanceOptimiser';
+
+export function VideoConferenceClientImpl(props: {
+  liveKitUrl: string;
+  token: string;
+  codec: VideoCodec | undefined;
+}) {
+  const keyProvider = new ExternalE2EEKeyProvider();
+  const { worker, e2eePassphrase } = useSetupE2EE();
+  const e2eeEnabled = !!(e2eePassphrase && worker);
+
+  const [e2eeSetupComplete, setE2eeSetupComplete] = useState(false);
+
+  const roomOptions = useMemo((): RoomOptions => {
+    return {
+      publishDefaults: {
+        videoSimulcastLayers: [VideoPresets.h540, VideoPresets.h216],
+        red: !e2eeEnabled,
+        videoCodec: props.codec,
+      },
+      adaptiveStream: { pixelDensity: 'screen' },
+      dynacast: true,
+      e2ee: e2eeEnabled
+        ? {
+            keyProvider,
+            worker,
+          }
+        : undefined,
+    };
+  }, [e2eeEnabled, props.codec, keyProvider, worker]);
+
+  const room = useMemo(() => new Room(roomOptions), [roomOptions]);
+
+  const connectOptions = useMemo((): RoomConnectOptions => {
+    return {
+      autoSubscribe: true,
+    };
+  }, []);
+
+  useEffect(() => {
+    if (e2eeEnabled) {
+      keyProvider.setKey(e2eePassphrase).then(() => {
+        room.setE2EEEnabled(true).then(() => {
+          setE2eeSetupComplete(true);
+        });
+      });
+    } else {
+      setE2eeSetupComplete(true);
+    }
+  }, [e2eeEnabled, e2eePassphrase, keyProvider, room, setE2eeSetupComplete]);
+
+  useEffect(() => {
+    if (e2eeSetupComplete) {
+      room.connect(props.liveKitUrl, props.token, connectOptions).catch((error) => {
+        console.error(error);
+      });
+      room.localParticipant.enableCameraAndMicrophone().catch((error) => {
+        console.error(error);
+      });
+    }
+  }, [room, props.liveKitUrl, props.token, connectOptions, e2eeSetupComplete]);
+
+  useLowCPUOptimizer(room);
+
+  return (
+    <div className="lk-room-container">
+      <RoomContext.Provider value={room}>
+        <KeyboardShortcuts />
+        <VideoConference
+          chatMessageFormatter={formatChatMessageLinks}
+          SettingsComponent={
+            process.env.NEXT_PUBLIC_SHOW_SETTINGS_MENU === 'true' ? SettingsMenu : undefined
+          }
+        />
+        <DebugMode logLevel={LogLevel.debug} />
+      </RoomContext.Provider>
+    </div>
+  );
+}