import RTCRoomEngine

let roomEngine = TUIRoomEngine.sharedInstance()

roomEngine.startScreenCapture(appGroup: "")

let params = TUIRoomVideoEncoderParams()
params.fps = 10 //替换为您真实需要的值
params.resolutionMode = .portrait //竖屏分辨率
params.bitrate = .1600 //此处换为您真实需要的值
params.videoResolution = .quality720P //此处换位您需要的值

roomEngine.updateVideoQualityEx(streamType: .screenStream, params: params)

import RTCRoomEngine

TUIRoomEngine.sharedInstance().startScreenCapture(appGroup: "")
TUIRoomEngine.sharedInstance().stopScreenCapture()

@objc private func buttonTapped() {
    TRTCBroadcastExtensionLauncher.sharedInstance.launch()
}

import UIKit
import TXLiteAVSDK_ReplayKitExt

class TRTCBroadcastExtensionLauncher: NSObject {

    var systemBroacastExtensionPicker = RPSystemBroadcastPickerView()
    var prevLaunchEventTime : CFTimeInterval = 0

    static let sharedInstance =  TRTCBroadcastExtensionLauncher()

    override init() {
        super.init()
        let picker = RPSystemBroadcastPickerView(frame: CGRect(x: 0, y: 0, width: 44, height: 44))
        picker.showsMicrophoneButton = false
        picker.autoresizingMask = [.flexibleTopMargin, .flexibleRightMargin]
        systemBroacastExtensionPicker = picker

        if let pluginPath = Bundle.main.builtInPlugInsPath,
           let contents = try? FileManager.default.contentsOfDirectory(atPath: pluginPath) {

            for content in contents where content.hasSuffix(".appex") {
                guard let bundle = Bundle(path: URL(fileURLWithPath: pluginPath).appendingPathComponent(content).path),
                      let identifier : String = (bundle.infoDictionary?["NSExtension"] as? [String:Any])? ["NSExtensionPointIdentifier"] as? String
                else {
                    continue
                }
                if identifier == "com.apple.broadcast-services-upload" {
                    picker.preferredExtension = bundle.bundleIdentifier
                    break
                }
            }
        }
    }

    static func launch() {
        TRTCBroadcastExtensionLauncher.sharedInstance.launch()
    }

    func launch() {
        // The pop-up on iOS 12 is slow and will crash if you click quickly.
        let now = CFAbsoluteTimeGetCurrent()
        if now - prevLaunchEventTime < 1.0 {
            return
        }
        prevLaunchEventTime = now

        for view in systemBroacastExtensionPicker.subviews {
            if let button = view as? UIButton {
                button.sendActions(for: .allTouchEvents)
                break
            }
        }
    }
}


import RTCRoomEngine

let roomEngine = TUIRoomEngine.sharedInstance()
let layoutManager = roomEngine.getExtension(extensionType: .liveLayoutManager) as? TUILiveLayoutManager
roomEngine.startScreenCapture(appGroup: "")//替换为真实的appGroup

layoutManager.setLiveStreamLayoutInfo(
    roomID: roomInfo.roomId,
    layoutInfo: "" //详见下文
    onSuccess: {
    //修改成功
    },
    onError: {code ,message in
    }
)
      
//layoutInfo格式需求：
{
    "RoomId": "live_adams", //替换为您的RoomID
    //当layouttype是1000时候，修改VideoEncode时候需要同步修改LayoutInfo，九宫格模式下会默认自动根据分辨率修改更新layoutInfo
    "VideoEncode": {
        "Width": 1080,
        "Height": 1920,
    },
    "LayoutMode": 1000, // 0~9 内置布局模板， 1000自定义布局， 只有1000时候才能修改LayoutInfo，0为九宫格
    "LayoutInfo":{
        "LayoutList": [
            {
                "LocationX": 0,          // 具体数值
                "LocationY": 0,          // 具体数值
                "ImageWidth": 1080,      // 具体数值                                        
                "ImageHeight": 960,      // 具体数值
                "ZOrder": 0,             // 层级
                "StreamType": 0,         // 0为摄像头， 1为屏幕共享
                "Member_Account": "admin001",  //替换为您的userId  
                "BackgroundImageUrl": "ImageUrl",
                "RoomId":"live_adams", //替换为您的RoomId
                "BackgroundColor":"0x1F212C"
            },
            {
                "LocationX": 0,         // 具体数值
                "LocationY": 960,       // 具体数值
                "ImageWidth": 1080,     // 具体数值                                        
                "ImageHeight": 960,     // 具体数值
                "ZOrder": 0,            // 层级
                "StreamType": 0,        // 0为摄像头， 1为屏幕共享
                "Member_Account": "admin001",   //替换为您的UserId     
                "BackgroundImageUrl": "ImageUrl",
                "RoomId":"live_adams", //替换为您的RoomId
                "BackgroundColor":"0x1F212C"
            }
        ],
        "MaxUserLayout": {
                "LocationX": 0, // 具体数值
                "LocationY": 0, // 具体数值
                "ImageWidth": 1080, // 具体数值
                "ImageHeight": 1920, // 具体数值
                "ZOrder": 0,        //层级
                "StreamType": 0,    // 0为摄像头， 1为屏幕共享
                "Member_Account": "admin001",  //替换为您的userId
                "BackgroundImageUrl": "ImageUrl",
                "RoomId":"live_adams", //替换为您的roomId
                "BackgroundColor":"0x1F212C"
        }
}

import RTCRoomEngine

let roomEngine = TUIRoomEngine.sharedInstance()
let layoutManager = roomEngine.getExtension(extensionType: .liveLayoutManager) as? TUILiveLayoutManager
roomEngine.stopScreenCapture()

layoutManager.setLiveStreamLayoutInfo(
    roomID: roomInfo.roomId,
    layoutInfo: "",//详见下文
    onSuccess: {},
    onError: { code ,message in
    }
 )
//当您想要恢复默认的宫格布局时，您需要传入的layoutInfo参数如下：
{
    "RoomId": "live_12121", //替换为真实房间号
    "VideoEncode": {
        "Width": 1080,
        "Height": 1920
    },
    "LayoutMode": 0
}

import RTCRoomEngine

extension ScreenSharedController: TUIRoomObserver { //替换为您具体的业务类,此处仅为举例 
      func onUserVideoStateChanged(userId: String, streamType: TUIVideoStreamType, hasVideo: Bool, reason: TUIChangeReason) {    
      }
 }