import RTCRoomEngine

let roomEngine = TUIRoomEngine.sharedInstance()

roomEngine.startScreenCapture(appGroup: "")

let params = TUIRoomVideoEncoderParams()
params.fps = 10 //replace with the actual value you need
params.resolutionMode =.portrait //portrait resolution
params.bitrate =.1600 //replace here with the actual value you need
params.videoResolution =.quality720P //replace here with the actual value you need

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

layoutManager.setLiveStreamLayoutInfo(
    roomID: roomInfo.roomId,
    layoutInfo: "" //see below
    onSuccess: {
    //Modification succeeded
    },
    onError: {code ,message in
    }
)
      
//Format requirements for layoutInfo:
{
    "RoomId": "live_adams", //Replace with your Room ID
    // When layouttype is 1000, modify LayoutInfo while modifying VideoEncode. In 9-grid view mode, LayoutInfo will be automatically modified and updated based on resolution by default.
    "VideoEncode": {
        "Width": 1080,
        "Height": 1920,
    },
    "LayoutMode": 0, // 0-9 built-in layout templates, 1000 custom layout, LayoutInfo can only be modified when it is 1000, 0 is nine-square grid
    "LayoutInfo":{
        "LayoutList": [
            {
                "LocationX": 0,          // Specific values
                "LocationY": 0,          // Specific values
                "ImageWidth": 1080,      // Specific values                                        
                "ImageHeight": 960,      // Specific values
                "ZOrder": 0,             // Level
                "StreamType": 0,         // 0 for camera, 1 for screen sharing
                "Member_Account": "admin001",  // Replace with your userId  
                "BackgroundImageUrl": "ImageUrl",
                "RoomId":"live_adams", //Replace with your RoomId
                "BackgroundColor":"0x1F212C"
            },
            {
                "LocationX": 0,         // Specific values
                "LocationY": 960,       // Specific values
                "ImageWidth": 1080,     // Specific values                                        
                "ImageHeight": 960,     // Specific values
                "ZOrder": 0,            // Level
                "StreamType": 0,        // 0 for camera, 1 for screen sharing
                "Member_Account": "admin001",   // Replace with your UserId     
                "BackgroundImageUrl": "ImageUrl",
                "RoomId":"live_adams", //Replace with your RoomId
                "BackgroundColor":"0x1F212C"
            }
        ],
        "MaxUserLayout": {
                "LocationX": 0, // Specific values
                "LocationY": 0, // Specific values
                "ImageWidth": 1080, // Specific values
                "ImageHeight": 1920, // Specific values
                "ZOrder": 0,        // Level
                "StreamType": 0,    // 0 for camera, 1 for screen sharing
                "Member_Account": "admin001",  // Replace with your userId
                "BackgroundImageUrl": "ImageUrl",
                "RoomId":"live_adams", // Replace with your roomId
                "BackgroundColor":"0x1F212C"
        }
}

import RTCRoomEngine

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

layoutManager.setLiveStreamLayoutInfo(
    roomID: roomInfo.roomId,
    layoutInfo: "",//see below
    onSuccess: {},
    onError: { code ,message in
    }
 )
//When you want to restore the default grid layout, the layoutInfo parameter you need to input is as follows:
{
    "RoomId": "live_12121", // Replace with the actual room number
    "VideoEncode": {
        "Width": 1080,
        "Height": 1920
    },
    "LayoutMode": 0
}

import RTCRoomEngine

extension ScreenSharedController: TUIRoomObserver { // Replace with your specific business class, here is just an example 
      func onUserVideoStateChanged(userId: String, streamType: TUIVideoStreamType, hasVideo: Bool, reason: TUIChangeReason) {    
      }
 }