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//
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// MediaSettingViewModel.swift
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// TUIRoomKit
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//
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// Created by janejntang on 2023/1/16.
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// Copyright © 2023 Tencent. All rights reserved.
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//
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import Foundation
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import RTCRoomEngine
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#if canImport(TXLiteAVSDK_TRTC)
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import TXLiteAVSDK_TRTC
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#elseif canImport(TXLiteAVSDK_Professional)
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import TXLiteAVSDK_Professional
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#endif
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protocol MediaSettingViewEventResponder: AnyObject {
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func showResolutionAlert()
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func showFrameRateAlert()
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func showQualityView()
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func updateStackView(item: ListCellItemData)
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func makeToast(text: String)
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}
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class MediaSettingViewModel {
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private(set) var videoItems: [ListCellItemData] = []
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private(set) var audioItems: [ListCellItemData] = []
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private(set) var otherItems: [ListCellItemData] = []
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weak var viewResponder: MediaSettingViewEventResponder? = nil
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var engineManager: EngineManager {
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EngineManager.shared
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}
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var store: RoomStore {
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engineManager.store
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}
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var videoSetting: VideoModel {
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engineManager.store.videoSetting
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}
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var audioSetting: AudioModel {
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engineManager.store.audioSetting
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}
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let resolutionNameItems: [String] = [.smoothResolutionText, .standardResolutionText, .highResolutionText, .superResolutionText]
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private let resolutionItems: [TUIVideoQuality] = [.quality360P, .quality540P, .quality720P, .quality1080P]
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private let bitrateArray = [550, 850, 1_200, 2_000]
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let topItems: [String] = [.videoText, .audioText, .otherText]
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let frameRateArray = ["15", "20"]
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init() {
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createVideoItem()
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createAudioItem()
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createOtherItem()
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}
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private func createVideoItem() {
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let resolutionItem = ListCellItemData()
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resolutionItem.titleText = .resolutionText
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resolutionItem.hasOverAllAction = true
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resolutionItem.type = .resolutionType
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resolutionItem.hasDownLineView = true
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resolutionItem.hasRightButton = true
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let buttonData = ButtonItemData()
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if let resolutionName = getResolutionName(videoQuality: videoSetting.videoQuality) {
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buttonData.normalTitle = resolutionName
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}
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buttonData.orientation = .right
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buttonData.normalIcon = "room_down_arrow1"
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buttonData.resourceBundle = tuiRoomKitBundle()
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buttonData.titleFont = UIFont.systemFont(ofSize: 16, weight: .regular)
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buttonData.titleColor = UIColor(0xD1D9EC)
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buttonData.size = CGSize(width: 80, height: 30)
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buttonData.isEnabled = false
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resolutionItem.buttonData = buttonData
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resolutionItem.action = { [weak self] sender in
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guard let self = self else { return }
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self.resolutionAction()
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}
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videoItems.append(resolutionItem)
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let frameRateItem = ListCellItemData()
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frameRateItem.titleText = .frameRateText
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frameRateItem.hasOverAllAction = true
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frameRateItem.type = .frameRateType
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frameRateItem.hasRightButton = true
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let frameRateButtonData = ButtonItemData()
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frameRateButtonData.orientation = .right
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frameRateButtonData.normalIcon = "room_down_arrow1"
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frameRateButtonData.normalTitle = String(videoSetting.videoFps)
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frameRateButtonData.resourceBundle = tuiRoomKitBundle()
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frameRateButtonData.titleFont = UIFont.systemFont(ofSize: 16, weight: .regular)
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frameRateButtonData.titleColor = UIColor(0xD1D9EC)
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frameRateButtonData.size = CGSize(width: 80, height: 30)
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frameRateButtonData.isEnabled = false
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frameRateItem.buttonData = frameRateButtonData
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frameRateItem.action = { [weak self] sender in
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guard let self = self else { return }
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self.frameRateAction()
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}
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videoItems.append(frameRateItem)
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}
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private func createAudioItem() {
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let captureVolumeItem = ListCellItemData()
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captureVolumeItem.titleText = .captureVolumeText
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captureVolumeItem.hasSlider = true
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captureVolumeItem.hasSliderLabel = true
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captureVolumeItem.minimumValue = 0
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captureVolumeItem.maximumValue = 100
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captureVolumeItem.sliderStep = 1
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captureVolumeItem.sliderDefault = Float(audioSetting.captureVolume)
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captureVolumeItem.hasDownLineView = true
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captureVolumeItem.action = { [weak self] sender in
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guard let self = self, let view = sender as? UISlider else { return }
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self.captureVolumeAction(sender: view)
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}
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audioItems.append(captureVolumeItem)
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let playingVolumeItem = ListCellItemData()
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playingVolumeItem.titleText = .playVolumeText
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playingVolumeItem.hasSlider = true
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playingVolumeItem.hasSliderLabel = true
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playingVolumeItem.minimumValue = 0
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playingVolumeItem.maximumValue = 100
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playingVolumeItem.sliderStep = 1
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playingVolumeItem.sliderDefault = Float(audioSetting.playVolume)
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playingVolumeItem.hasDownLineView = true
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playingVolumeItem.action = { [weak self] sender in
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guard let self = self, let view = sender as? UISlider else { return }
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self.playingVolumeAction(sender: view)
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}
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audioItems.append(playingVolumeItem)
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let volumePromptItem = ListCellItemData()
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volumePromptItem.titleText = .volumePromptText
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volumePromptItem.hasSwitch = true
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volumePromptItem.isSwitchOn = audioSetting.volumePrompt
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volumePromptItem.action = { [weak self] sender in
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guard let self = self, let view = sender as? UISwitch else { return }
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self.volumePromptAction(sender: view)
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}
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audioItems.append(volumePromptItem)
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}
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private func resolutionAction() {
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viewResponder?.showResolutionAlert()
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}
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private func createOtherItem() {
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let qualityItem = ListCellItemData()
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qualityItem.titleText = .qualityInspectionText
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qualityItem.hasOverAllAction = true
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qualityItem.hasRightButton = true
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let buttonData = ButtonItemData()
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buttonData.orientation = .right
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buttonData.normalIcon = "room_right_arrow1"
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buttonData.resourceBundle = tuiRoomKitBundle()
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buttonData.titleFont = UIFont.systemFont(ofSize: 16, weight: .regular)
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buttonData.titleColor = UIColor(0xD1D9EC)
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buttonData.size = CGSize(width: 80, height: 30)
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buttonData.isEnabled = false
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qualityItem.buttonData = buttonData
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qualityItem.action = { [weak self] sender in
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guard let self = self else { return }
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self.showQualityAction()
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}
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otherItems.append(qualityItem)
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let floatChatItem = ListCellItemData()
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floatChatItem.titleText = .floatChatText
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floatChatItem.hasSwitch = true
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floatChatItem.isSwitchOn = store.shouldShowFloatChatView
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floatChatItem.action = { [weak self] sender in
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guard let self = self, let view = sender as? UISwitch else { return }
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self.floatChatShowAction(shouldShow: view.isOn)
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}
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otherItems.append(floatChatItem)
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}
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private func showQualityAction() {
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viewResponder?.showQualityView()
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}
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private func floatChatShowAction(shouldShow: Bool) {
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store.updateFloatChatShowState(shouldShow: shouldShow)
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}
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private func frameRateAction() {
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viewResponder?.showFrameRateAlert()
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}
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private func captureVolumeAction(sender: UISlider) {
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engineManager.setAudioCaptureVolume(Int(sender.value))
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}
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private func playingVolumeAction(sender: UISlider) {
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engineManager.setAudioPlayoutVolume(Int(sender.value))
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}
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private func volumePromptAction(sender: UISwitch) {
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engineManager.enableAudioVolumeEvaluation(isVolumePrompt: sender.isOn)
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}
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func changeResolutionAction(index: Int) {
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guard let videoItem = videoItems.first(where: { $0.type == .resolutionType }) else { return }
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guard let quality = resolutionItems[safe: index] else { return }
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guard let resolutionName = getResolutionName(videoQuality: quality) else { return }
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videoItem.buttonData?.normalTitle = resolutionName
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viewResponder?.updateStackView(item: videoItem)
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engineManager.setVideoEncoder(videoQuality: quality, bitrate: getBitrate(videoQuality: quality))
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}
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func changeFrameRateAction(index: Int) {
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guard let videoItem = videoItems.first(where: { $0.type == .frameRateType }) else { return }
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guard let frameRate = frameRateArray[safe: index] else { return }
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videoItem.buttonData?.normalTitle = frameRate
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viewResponder?.updateStackView(item: videoItem)
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engineManager.setVideoEncoder(fps: Int(frameRate))
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}
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func getCurrentResolutionIndex() -> Int {
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guard let index = resolutionItems.firstIndex(where: { $0 == videoSetting.videoQuality }) else { return 0 }
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return index
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}
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func getCurrentFrameRateIndex() -> Int {
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let frameRateString = String(videoSetting.videoFps)
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guard let index = frameRateArray.firstIndex(where: { $0 == frameRateString }) else { return 0 }
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return index
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}
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private func getResolutionName(videoQuality: TUIVideoQuality) -> String? {
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guard let index = resolutionItems.firstIndex(of: videoQuality) else { return nil }
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guard let resolutionName = resolutionNameItems[safe: index] else { return nil }
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return resolutionName
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}
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private func getBitrate(videoQuality: TUIVideoQuality) -> Int? {
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guard let index = resolutionItems.firstIndex(of: videoQuality) else { return nil }
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guard let bitrate = bitrateArray[safe: index] else { return nil }
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return bitrate
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}
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deinit {
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debugPrint("deinit \(self)")
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}
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}
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private extension String {
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static var videoText: String {
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localized("Video Settings")
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}
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static var audioText: String {
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localized("Audio Settings")
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}
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static var otherText: String {
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localized("Other Settings")
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}
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static var versionLowToastText: String {
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localized("Your system version is below 12.0. Please update.")
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}
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static var resolutionText: String {
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localized("Resolution")
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}
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static var frameRateText: String {
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localized("Frame Rate")
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}
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static var bitrateText: String {
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localized("Bitrate")
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}
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static var localMirrorText: String {
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localized("Local Mirror")
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}
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static var captureVolumeText: String {
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localized("Capture Volume")
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}
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static var playVolumeText: String {
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localized("Playback Volume")
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}
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static var volumePromptText: String {
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localized("Volume Reminder")
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}
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static var audioRecordingText: String {
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localized("Audio Recording")
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}
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static var smoothResolutionText: String {
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localized("Smooth")
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}
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static var standardResolutionText: String {
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localized("Standard Definition")
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}
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static var highResolutionText: String {
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localized("High Definition")
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}
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static var superResolutionText: String {
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localized("Full High Definition")
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}
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static var qualityInspectionText: String {
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localized("Network Quality Monitoring")
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}
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static var floatChatText: String {
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localized("Floating Chat")
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}
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}
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