Detecting the Dominant Speaker

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 ConnectOptions connectOptions =
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        new ConnectOptions.Builder(token)
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                        .roomName(roomName)
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                        .enableDominantSpeaker(true)
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                        .build();
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Room room = Video.connect(context, connectOptions, roomListener);

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@Override
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void onDominantSpeakerChanged(
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                @NonNull Room room, @Nullable RemoteParticipant remoteParticipant) {
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                // Handle dominant speaker change
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        }

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let connectOptions = ConnectOptions(token: accessToken) { (builder) in
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    // Enable Dominant Speaker functionality
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    builder.isDominantSpeakerEnabled = true
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    if let localAudioTrack = self.localAudioTrack {
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        builder.audioTracks = [localAudioTrack]
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    }
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    builder.roomName = "my-conference-room"
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}
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room = TwilioVideoSDK.connect(options: connectOptions, delegate: self)

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// MARK: TVIRoomDelegate
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func dominantSpeakerDidChange(room: Room, participant: RemoteParticipant?) {
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    var identity = "N/A"
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    if let participant = participant {
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        identity = participant.identity
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    }
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    print("Dominant Speaker Changed: \(identity)")
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}

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var Video = require('twilio-video');
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var token = getAccessToken();
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// Connect with custom names for LocalAudioTrack and LocalVideoTrack
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Video.connect(token, {
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  name: 'my-conference-room'
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  audio: { name: 'microphone' },
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  video: { name: 'camera' },
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  dominantSpeaker: true
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}).then(function(room) {
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  room.on('dominantSpeakerChanged', participant => {
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    console.log('The new dominant speaker in the Room is:', participant);
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  });
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});