Meeting Class Methods - iOS

join()

• It is used to join a meeting.
• After meeting initialization by initMeeting() it returns a new instance of Meeting. However by default, it will not automatically join the meeting. Hence, to join the meeting you should call join().

Events associated with join():

• Local Participant will receive a onMeetingJoined event, when successfully joined.
• Remote Participant will receive a [addParticipant] event with the newly joined Participant object from the event callback.

Returns

• void

---

leave()

• It is used to leave the current meeting.

Events associated with leave():

• Local participant will receive a onMeetingLeft event.
• All remote participants will receive a onParticipantLeft event with participantId.

Returns

• void

---

end()

• It is used to end the current running session.
• By calling end(), all joined participants including localParticipant of that session will leave the meeting.

Events associated with end():

• All participants and localParticipant, will be emitted [closeRoom] event.

Returns

• void

---

enableWebcam()

• It is used to enable self camera.
• onStreamEnabled event will be emitted with stream object from the event callback, inside that participant object.

Returns

• void

---

disableWebcam()

• It is used to enable self camera.
• onStreamDisabled event will be emitted with stream object from the event callback, inside that participant object.

Returns

• void

---

switchWebcam()

• It is used to switch between front and back camera.

Returns

• void

---

unmuteMic()

• It is used to enable self microphone.
• onStreamEnabled event will be emitted with stream object from the event callback, inside that participant object.

Returns

• void

---

muteMic()

• It is used to disable self microphone.
• onStreamDisabled event will be emitted with stream object from the event callback, inside that participant object.

Returns

• void

---

startRecording()

• It is used to start meeting recording.

• All participants and localParticipant, will receive onRecordingStarted event.

• webhookUrl will be triggered when the recording is completed and stored into server. Read more about webhooks here.

Parameters

• webhookUrl: String

• awsDirPath: String?

• config:

  • layout:
    • type: "GRID" | "SPOTLIGHT" | "SIDEBAR"
    • priority: "SPEAKER" | "PIN"
    • gridSize: Number `max 4`
  • theme: "DARK" | "LIGHT" | "DEFAULT"
  • mode: "video-and-audio" | "audio"
  • quality: "low" | "med" | "high"
  • orientation: "landscape" | "portrait"

• transcription: PostTranscriptionConfig?

  • PostTranscriptionConfig.enabled: Bool
  • PostTranscriptionConfig.summary: SummaryConfig?
    • SummaryConfig.enabled: Bool
    • SummaryConfig.prompt: String

Returns

• void

Example

let webhookUrl = "https://webhook.your-api-server.com"

let awsDirPath = "/meeting-recordings/"

let config: RecordingConfig = RecordingConfig(
                                layout: ConfigLayout(
                                  type: .GRID,
                                  priority: .PIN,
                                  gridSize: 4
                                ),
                                theme: .DARK,
                                mode: .video_and_audio,
                                quality: .med,
                                orientation: .landscape
                              )

let transcription: PostTranscriptionConfig =  PostTranscriptionConfig(
            enabled: true,
            summary: SummaryConfig(
                  enabled: true,
                  prompt: "Write summary in sections like Title, Agenda, Speakers, Action Items, Outlines, Notes and Summary"
        )
)

startRecording(webhookUrl: webhookUrl!, awsDirPath: awsDirPath, config: config, transcription: transcription)

---

stopRecording()

• It is used to stop meeting recording.
• All participants and localParticipant, will receive onRecordingStopped event.

Returns

• void

Example

stopRecording();

---

startLivestream()

• It is used to start meeting livestreaming.
• You will be able to start live stream meetings to other platforms such as Youtube, Facebook, etc. that support RTMP streaming.
• All participants and localParticipant, will receive onLivestreamStarted event.

Parameters

• outputs: [LivestreamOutput]

Returns

• void

---

Example

startLivestream(outputs: outputs)

stopLivestream()

• It is used to stop meeting livestreaming.
• All participants and localParticipant, will receive onLivestreamStopped event.

Returns

• void

Example

stopLivestream();

---

startHLS()

• startHLS() will start HLS streaming of your meeting.

• You will be able to start HLS and watch the live stream of meeting over HLS.

• mode is used to either start hls streaming of video-and-audio both or only audio. And by default it will be video-and-audio.

• quality is only applicable to video-and-audio.

Parameters

• config:

  • layout:
    • type: .GRID | .SPOTLIGHT | .SIDEBAR
    • priority: .SPEAKER | .PIN
    • gridSize: Number max 25
  • theme: .DARK | .LIGHT | .DEFAULT
  • mode: .video_and_audio | .audio
  • quality: .low | .med | .high

• transcription: PostTranscriptionConfig?

  • PostTranscriptionConfig.enabled: Bool
  • PostTranscriptionConfig.summary: SummaryConfig?
    • SummaryConfig.enabled: Bool
    • SummaryConfig.prompt: String

Returns

• void

Example

var config: HLSConfig = HLSConfig(
                          layout: HLSLayout(
                            type: .GRID,
                            priority: .SPEAKER,
                            gridSize: 4
                          ),
                          theme: .DARK,
                          mode: .video_and_audio,
                          quality: .high,
                          orientation: .portrait
                        )

let transcription: PostTranscriptionConfig =  PostTranscriptionConfig(
            enabled: true,
            summary: SummaryConfig(
                  enabled: true,
                  prompt: "Write summary in sections like Title, Agenda, Speakers, Action Items, Outlines, Notes and Summary"
        )
)

startHLS(config: config, transcription: transcription)

---

stopHLS()

• stopHLS() is used to stop the HLS streaming.

Returns

• void

Example

stopHLS();

---

startTranscription()

• It is used to start realtime transcription.

• All participants and localParticipant, will receive TRANSCRIPTION_STARTING event state and onTranscriptionText event.

• config: TranscriptionConfig: webhookUrl will be triggered when the state of realtime transcription is changed. Read more about webhooks here.

• config: TranscriptionConfig: summary : SummaryConfig Set summary config for the transcription.

  • SummaryConfig: enabled indicates whether to generate summary when meeting ends.
  • SummaryConfig: prompt the specific prompt around which summary is to be written.

Parameters

• config: TranscriptionConfig?
  • TranscriptionConfig.webhookUrl: String?
  • TranscriptionConfig.summary: SummaryConfig?
    • SummaryConfig.enabled: Bool
    • SummaryConfig.prompt: String

Returns

• void

Example

let config =  TranscriptionConfig(
        webHookUrl: "YOUR_WEBHOOK_URL",
        summary: SummaryConfig(
          enabled: true,
          prompt: "Write summary in sections like Title, Agenda, Speakers, Action Items, Outlines, Notes and Summary"
        )
)

startTranscription(config);

---

stopTranscription()

• It is used to stop realtime transcription.
• All participants and localParticipant, will receive TRANSCRIPTION_STOPPING event state.

Returns

• void

Example

stopTranscription();

---

changeMode()

• changeMode() is used to change the mode of participant.

Parameters

• mode: Mode
  • All available participant modes are SEND_AND_RECV, SIGNALLING_ONLY and RECV_ONLY.

info

Important Changes IOS SDK in Version v2.2.0

• The following modes have been deprecated:
• CONFERENCE has been replaced by SEND_AND_RECV
• VIEWER has been replaced by SIGNALLING_ONLY

Please update your implementation to use the new modes.

⚠️ Compatibility Notice:
To ensure a seamless meeting experience, all participants must use the same SDK version.
Do not mix version v2.2.0 + with older versions, as it may cause significant conflicts.

Events associated with changeMode():

• Every participant will receive a callback of state change of mode onParticipantModeChanged

Returns

• void

Example

changeMode(.SIGNALLING_ONLY | .SEND_AND_RECV)

---

enableScreenShare()

• enableScreenShare() is used to share your local screen to the remote participants in the meeting.

Returns

• void

Example

Task {
  await meeting.enableScreenShare()
}

---

disableScreenShare()

• disableScreenShare() is used to stop sharing your local screen.

Returns

• void

Example

Task {
  await meeting.disableScreenShare()
}

---

getMics()

• getMics method will return an array of tuples, where each tuple consists of two elements deviceName and deviceType.

Returns

• [deviceName: String, deviceType: String]

Example

meeting.getMics();
// sample returned array
// [("Speaker","Speaker"), ("iPhone Microphone", "Receiver")]

---

changeMic()

• changeMic method will return an array of tuples, where each tuple consists of two elements deviceName and deviceType.

Parameters

• selectedDevice: String
  • Here selectedDevice should be the exact string of the deviceName that you get after calling the getMics method.

Returns

• void

Example

meeting.changeMic(selectedDevice: "Speaker")

---

uploadBase64File()

• uploadBase64File method uploads a file to VideoSDK's temporary storage and returns the corresponding URL string to retrieve the file from the storage system.

Parameters

• base64Data: String
  • The Base64 encoded string of the file to be uploaded.
• token: String
  • The authentication token required to access VideoSDK's storage system.
• fileName: String
  • The name under which the file will be stored.
• completion: @escaping (String?) -> Void
  • A closure that will be called with the URL string of the uploaded file or nil if the upload fails.

Returns

• void

Example

  let base64Data: String = "<Your-base64-File>"
  let token: String = "<Your-Token>"
  let fileName: String = "name.jpeg" // Provide file name with extension
  meeting.uploadBase64File(base64Data: base64Data, token: token, fileName: fileName) { url in
        print("url: ", url)
    }

---

fetchBase64File()

• fetchBase64File method retrieves a file from VideoSDK's temporary storage and returns it in the form of a Base64 String.

Parameters

• url: String
  • The URL string of the file to be retrieved.
• token: String
  • The authentication token required to access VideoSDK's storage system.
• completion: @escaping (String?) -> Void
  • A closure that will be called with the Base64 string of the retrieved file or nil if the retrieval fails.

Returns

• void

Example

  let url: String = "<Your FileUrl>" // Provide fileUrl which is returned by uploadBase64File()
  let token: String = "<Your-Token>"
 meeting.fetchBase64File(url: url, token: token) { base64Data in
        print("base64: ", base64Data)
  }

---

setVideoProcessor()

• setVideoProcessor method sets the processor that will be used in processing the local video frames.

Parameters

• processor: VideoSDKVideoProcessor?
  • An instance of a processor class that conforms to the VideoSDKVideoProcessor protocol.

Returns

• void

Example

  let backgroundSource = URL(string: "https://cdn.videosdk.live/virtual-background/cloud.jpeg")!
  let processor = VideoSDKBackgroundProcessor(backgroundSource: backgroundSource)
  meeting.setVideoProcessor(processor: processor)

---

startWhiteboard()

• startWhiteboard method starts the whiteboard session.

• All participants and localParticipant, will receive onWhiteboardStarted event along with the url of the whiteboard.

Returns

• void

Example

meeting.startWhiteboard();

---

stopWhiteboard()

• stopWhiteboard method stops the whiteboard session.

• All participants and localParticipant, will receive onWhiteboardStopped event.

Returns

• void

Example

meeting.stopWhiteboard();

---

pauseAllStreams()

• The pauseAllStreams method pauses active media streams within the meeting.

• Specifies the type of media stream to be paused. If this parameter is provided, only that particular type of media stream will be paused. Otherwise, by default, all media streams (audio, video, and screen share) will be paused.

Returns

• void

Example

meeting.pauseAllStreams(kind: "video");

---

resumeAllStreams()

• resumeAllStreams method resumes media streams that have been paused.

• Specifies the type of media stream to be resumed. If this parameter is provided, only that particular type of media stream will be resumed. Otherwise, by default, all media streams (audio, video, and screen share) will be resumed.

Returns

• void

Example

meeting.resumeAllStreams(kind: "video");