IOS 技术分享| 快对讲 2.0 会议场景实现

NS_ASSUME_NONNULL_BEGIN@class ARUIRoomKit;@protocol ARUIRoomKitDelegate <NSObject>@optional
/// 加入会议事件回调/// - Parameter code: 错误码- (void)onEnterRoom:(ARUIConferenceErrCode)code;
/// 退出会议事件回调/// - Parameter code: 错误码- (void)onExitRoom:(ARUIConferenceErrCode)code;
@end
@interface ARUIRoomKit : NSObject
/// 会议事件回调/// - Parameter delegate: 回调+ (void)setDelegate:(id<ARUIRoomKitDelegate> _Nullable)delegate;
/// 创建会议房间/// - Parameter info: 房间信息+ (void)createRoom:(ARUIRoomInfo *_Nonnull)info;
/// 加入会议房间/// - Parameter info: 房间信息+ (void)enterRoom:(ARUIRoomInfo *_Nonnull)info;
/// 结束会议+ (void)exitRoom;
@end
@interface ARTCMeeting : NSObject
+ (ARTCMeeting *)shareInstance;
/// 开始会议/// - Parameter roomInfo: 会议信息- (void)startMeeing:(ARUIRoomInfo *)roomInfoNS_SWIFT_NAME(startMeeing(roomInfo:));
/// 离开会议- (void)leaveRoomNS_SWIFT_NAME(leaveRoom());
/// 设置ARTCMeetingDelegate回调/// @param delegate 回调实例- (void)addDelegate:(id<ARTCMeetingDelegate>)delegateNS_SWIFT_NAME(addDelegate(delegate:));
/// 开启远程用户视频渲染/// @param userId 远程用户 ID/// @param view 渲染视图- (void)startRemoteView:(NSString *)userId view:(UIView *)viewNS_SWIFT_NAME(startRemoteView(userId:view:));
/// 关闭远程用户视频渲染/// @param userId 远程用户 ID- (void)stopRemoteView:(NSString *)userIdNS_SWIFT_NAME(stopRemoteView(userId:));
/// 打开摄像头- (void)openCamera:(BOOL)frontCamera view:(UIView *)viewNS_SWIFT_NAME(openCamera(frontCamera:view:));
/// 切换摄像头- (void)switchCameraNS_SWIFT_NAME(switchCamera());
/// 开关本地视频流/// - Parameter mute: YES 禁止，NO 恢复- (void)muteLocalVideo:(BOOL)muteNS_SWIFT_NAME(muteLocalVideo(mute:));
/// 开关本地音频流/// - Parameter mute: YES 禁止，NO 恢复- (void)muteLocalAudio:(BOOL)muteNS_SWIFT_NAME(muteLocalAudio(mute:));
/// 免提- (void)setHandsFree:(BOOL)isHandsFreeNS_SWIFT_NAME(setHandsFree(isHandsFree:));
/// 停止/恢复接收指定视频流/// - Parameters:///   - userID: 用户ID///   - mute: YES 停止，NO 恢复- (void)muteRemoteVideoStream:(NSString *)userID mute:(BOOL)muteNS_SWIFT_NAME(muteRemoteVideoStream(userID:mute:));
/// 停止/恢复接收指定音频流/// - Parameters:///   - userID: 用户ID///   - mute: YES 停止，NO 恢复- (void)muteRemoteAudioStream:(NSString *)userID mute:(BOOL)mute;
/// 本地镜像/// - Parameter mirror: YES 镜像打开，NO 镜像关闭- (void)setLocalRenderMirrorMode:(BOOL)mirrorNS_SWIFT_NAME(setLocalRenderMirrorMode(mirror:));
/// 说话提示音/// - Parameter enable: YES 打开，NO 关闭- (void)enableAudioVolumeIndication:(BOOL)enableNS_SWIFT_NAME(enableAudioVolumeIndication(enable:));
/// 调节录音音量/// - Parameter volume: 录音音量 [0, 400]- (void)adjustRecordingSignalVolume:(NSInteger)volumeNS_SWIFT_NAME(adjustRecordingSignalVolume(volume:));
/// 调节本地播放的所有远端用户音量/// - Parameter volume: 播放音量 [0, 400]- (void)adjustPlaybackSignalVolume:(NSInteger)volumeNS_SWIFT_NAME(adjustPlaybackSignalVolume(volume:));
/// 设置视频编码配置- (void)updateVideoEncoderParamNS_SWIFT_NAME(updateVideoEncoderParam());
/// AI 降噪/// - Parameter state: 1打开，0 关闭- (void)setAudioAiNoise:(BOOL)isOpenNS_SWIFT_NAME(setAudioAiNoise(isOpen:));
/// 收到主持人禁画信令/// - Parameter mute: YES 禁画，NO 禁画/// - Parameter isAll: YES 全体，NO 个人- (void)receiveMuteVideo:(BOOL)mute all:(BOOL)isAllNS_SWIFT_NAME(receiveMuteVideo(mute:all:));
/// 同步用户禁画状态变化/// - Parameters:///   - uid: 用户ID///   - mute: YES 禁止，NO 恢复- (void)syncVidState:(NSString *)uid mute:(BOOL)muteNS_SWIFT_NAME(syncVidState(uid:mute:));
/// 同步禁言状态变化/// - Parameter mute: YES 禁止，NO 恢复- (void)syncChatState:(BOOL)muteNS_SWIFT_NAME(syncChatState(mute:));
@end

@implementation ARTCMeeting
+ (ARTCMeeting *)shareInstance {    static dispatch_once_t onceToken;    static ARTCMeeting * g_sharedInstance = nil;    dispatch_once(&onceToken, ^{        g_sharedInstance = [[ARTCMeeting alloc] init];    });    return g_sharedInstance;}
- (ARtcEngineKit *)rtcEngine {    if (!_rtcEngine) {        _rtcEngine = [ARtcEngineKit sharedEngineWithAppId:[ARUILogin getSdkAppID] delegate:self];        [_rtcEngine setEnableSpeakerphone: YES];        [_rtcEngine enableDualStreamMode:YES];    }    return _rtcEngine;}
- (void)addObserver {    /// 监听前后台状态    [NSNotificationCenter.defaultCenter addObserver:self selector:@selector(enterBackground:) name:UIApplicationDidEnterBackgroundNotification object:nil];    [NSNotificationCenter.defaultCenter addObserver:self selector:@selector(becomeActive:) name:UIApplicationWillEnterForegroundNotification object:nil];}
- (void)removeObserver {    /// 移除监听    [NSNotificationCenter.defaultCenter removeObserver:self name:UIApplicationDidEnterBackgroundNotification object:nil];    [NSNotificationCenter.defaultCenter removeObserver:self name:UIApplicationWillEnterForegroundNotification object:nil];}
- (void)enterBackground:(NSNotification *)notification {    /// 进入后台，本地视频非关闭状态 && 房间非全员禁画    if(!self.roomInfo.vidMuteState && !self.roomInfo.confVidMuteState) {        [self muteLocalVideo:YES];    }}
- (void)becomeActive:(NSNotification *)notification {    if(self.autoMuteLocalVideo && !self.roomInfo.confVidMuteState) {        /// 进入前台，已自动关闭本地视频 && 房间非全员禁画        [self muteLocalVideo:NO];    }}
//MARK: - Public
- (void)startMeeing:(ARUIRoomInfo *)roomInfo {    self.roomInfo = roomInfo;    self.curRoomID = roomInfo.confId;    [self enableAudioVolumeIndication:YES];    UIApplication.sharedApplication.idleTimerDisabled = YES;        [self joinRoom];}
- (void)addDelegate:(id<ARTCMeetingDelegate>)delegate {    [self.listenerArray addObject:delegate];}
- (void)startRemoteView:(NSString *)userID view:(UIView *)view {    /// 开启远程用户视频渲染    if (userID.length != 0) {        ARtcVideoCanvas *canvas = [[ARtcVideoCanvas alloc] init];        canvas.uid = userID;        canvas.view = view;        [self.rtcEngine setupRemoteVideo:canvas];    }        [self.rtcEngine setRemoteRenderMode:userID renderMode:ARVideoRenderModeFit mirrorMode:ARVideoMirrorModeAuto];}
- (void)stopRemoteView:(NSString *)userID {    /// 关闭远程用户视频渲染    ARtcVideoCanvas *canvas = [[ARtcVideoCanvas alloc] init];    canvas.uid = userID;    canvas.view = nil;    [self.rtcEngine setupRemoteVideo:canvas];}
- (void)openCamera:(BOOL)frontCamera view:(UIView *)view {    /// 打开摄像头    [self.rtcEngine enableVideo];        ARtcVideoCanvas *canvas = [[ARtcVideoCanvas alloc] init];    canvas.uid = [ARUILogin getUserID];    canvas.view = view;    [self.rtcEngine setupLocalVideo:canvas];    [self.rtcEngine startPreview];}
- (void)switchCamera {    /// 切换摄像头    [self.rtcEngine switchCamera];    self.isReal = !self.isReal;}
- (void)muteLocalVideo:(BOOL)mute {    /// 开关本地视频流    self.roomInfo.vidMuteState = mute;    [self.rtcEngine muteLocalVideoStream:mute];}
- (void)muteLocalAudio:(BOOL)mute {    /// 开关本地音频流    self.roomInfo.audMuteState = mute;    [self.rtcEngine muteLocalAudioStream:mute];}
- (void)setHandsFree:(BOOL)isHandsFree {    /// 免提操作    [self.rtcEngine setEnableSpeakerphone:isHandsFree];    self.isHandsFreeOn = isHandsFree;    NSLog(@"setHandsFree == %d", isHandsFree);}
- (void)muteRemoteVideoStream:(NSString *)userID mute:(BOOL)mute {    /// 停止/恢复接收指定视频流    [self.rtcEngine muteRemoteVideoStream:userID mute:mute];}
- (void)muteRemoteAudioStream:(NSString *)userID mute:(BOOL)mute {    /// 停止/恢复接收指定音频流    [self.rtcEngine muteRemoteAudioStream:userID mute:mute];}
- (void)setLocalRenderMirrorMode:(BOOL)mirror {    /// 本地镜像    self.videoConfig.mirror = mirror;    [self.rtcEngine setLocalRenderMode:ARVideoRenderModeHidden mirrorMode:mirror ? ARVideoMirrorModeAuto : ARVideoMirrorModeDisabled];}
- (void)enableAudioVolumeIndication:(BOOL)enable {    /// 启用说话者音量提示    self.audioConfig.volumePrompt = enable;    [self.rtcEngine enableAudioVolumeIndication:(enable ? 2000 : 0) smooth:3 report_vad: YES];}
- (void)adjustRecordingSignalVolume:(NSInteger)volume {    /// 调节录音音量    self.audioConfig.captureVolume = volume;    [self.rtcEngine adjustRecordingSignalVolume:volume];}
- (void)adjustPlaybackSignalVolume:(NSInteger)volume {    /// 调节本地播放的所有远端用户音量    self.audioConfig.playVolume = volume;    [self.rtcEngine adjustPlaybackSignalVolume:volume];}
- (void)modifyUserName:(NSString *)uid nickName:(NSString *)name {    if([delegate respondsToSelector:@selector(onModifyUserName:uid:)]) {        [delegate onModifyUserName:name uid:uid];    }}
- (void)transferMaster:(NSString *)masterId {    NSString *oldMasterId = self.roomInfo.ownerId;    self.roomInfo.ownerId = masterId;    if([delegate respondsToSelector:@selector(onTransferMaster:old:)]) {        [delegate onTransferMaster:masterId old:oldMasterId];    }}
- (void)setAudioAiNoise:(BOOL)isOpen {    /// AI 降噪    self.audioConfig.noise = isOpen;    NSDictionary *dic = [[NSDictionary alloc] initWithObjectsAndKeys:@"SetAudioAiNoise", @"Cmd",[NSNumber numberWithInt:isOpen ? 1 : 0], @"Enable",nil];    [self.rtcEngine setParameters:[ARUICoreUtil fromDicToJsonStr:dic]];}
//MARK: - Private
- (void)joinRoom {    NSString *rtcToken = nil;    if (ARCoreConfig.defaultConfig.needToken) {        rtcToken = ARCoreConfig.defaultConfig.rtcConfig.token;        if (rtcToken.length == 0) {            ARLog(@"ARTCMeeting - rtc JoinChannel Token is Null");            //return;        }    }        @weakify(self);    [self.rtcEngine joinChannelByToken:rtcToken channelId:self.roomInfo.confId uid:[ARUILogin getUserID] joinSuccess:^(NSString * _Nonnull channel, NSString * _Nonnull uid, NSInteger elapsed) {        ARLog(@"ARTCMeeting - joinChannel Sucess %@ %@", channel, uid);        @strongify(self)        if (!self) return;        [self startTimer];        [self addObserver];        [self createMeetingChannel];    }];}
- (void)startTimer {    /// 上传用户状态    @weakify(self);    self.timerName = [ARTCGCDTimer timerTask:^{        @strongify(self)        if (!self) return;        [self uploadUserStatus];    } start:0 interval:5 repeats:YES async:NO];}
//MARK: - ARtcEngineDelegate
- (void)rtcEngine:(ARtcEngineKit *)engine didOccurError:(ARErrorCode)errorCode {    /// 发生错误回调}
- (void)rtcEngine:(ARtcEngineKit *)engine didOccurWarning:(ARWarningCode)warningCode {    /// 发生警告回调    if(warningCode == ARWarningCodeLookupChannelTimeout) {        [self dealWithException];    }}
- (void)rtcEngine:(ARtcEngineKit *)engine connectionChangedToState:(ARConnectionStateType)state reason:(ARConnectionChangedReason)reason {    /// 网络连接状态已改变回调}
- (void)rtcEngine:(ARtcEngineKit *)engine tokenPrivilegeWillExpire:(NSString *)token {    /// Token 服务即将过期回调 30s}
- (void)rtcEngineRequestToken:(ARtcEngineKit *)engine {    /// Token 服务过期回调 24h    [self dealWithException];}
- (void)rtcEngine:(ARtcEngineKit *)engine didJoinedOfUid:(NSString *)uid elapsed:(NSInteger)elapsed {    /// 远端用户/主播加入回调        if([delegate respondsToSelector:@selector(onUserEnter:)]) {            [delegate onUserEnter:uid];        }}
- (void)rtcEngine:(ARtcEngineKit *)engine didOfflineOfUid:(NSString *)uid reason:(ARUserOfflineReason)reason {    /// 远端用户（通信场景）/主播（直播场景）离开当前频道回调        if([delegate respondsToSelector:@selector(onUserLeave:)]) {            [delegate onUserLeave:uid];        }}
- (void)rtcEngine:(ARtcEngineKit *)engine remoteVideoStateChangedOfUid:(NSString *)uid state:(ARVideoRemoteState)state reason:(ARVideoRemoteStateReason)reason elapsed:(NSInteger)elapsed {    /// 远端视频状态发生改变回调    if (reason == ARVideoRemoteStateReasonRemoteMuted || reason == ARVideoRemoteStateReasonRemoteUnmuted) {            if([delegate respondsToSelector:@selector(onUserVideoAvailable:available:)]) {                [delegate onUserVideoAvailable:uid available:(reason == ARVideoRemoteStateReasonRemoteMuted) ? NO : YES];            }    }}
- (void)rtcEngine:(ARtcEngineKit *)engine remoteAudioStateChangedOfUid:(NSString *)uid state:(ARAudioRemoteState)state reason:(ARAudioRemoteStateReason)reason elapsed:(NSInteger)elapsed {    /// 远端音频状态发生改变回调    if (reason == ARAudioRemoteReasonRemoteMuted || reason == ARAudioRemoteReasonRemoteUnmuted) {            if([delegate respondsToSelector:@selector(onUserAudioAvailable:available:)]) {                [delegate onUserAudioAvailable:uid available:(reason == ARAudioRemoteReasonRemoteMuted) ? NO : YES];            }    }}
- (void)rtcEngine:(ARtcEngineKit *)engine networkQuality:(NSString *)uid txQuality:(ARNetworkQuality)txQuality rxQuality:(ARNetworkQuality)rxQuality {    /// 通话中每个用户的网络上下行 last mile 质量报告回调        if([delegate respondsToSelector:@selector(onUserNetworkQualityChanged:quality:)]) {            NSUInteger quality = 0;            if(txQuality == ARNetworkQualityPoor|| txQuality == ARNetworkQualityBad) {                quality = 1;            } else if (txQuality == ARNetworkQualityExcellent || txQuality == ARNetworkQualityGood) {                quality = 2;            }            [delegate onUserNetworkQualityChanged:uid quality:quality];        }}
- (void)rtcEngine:(ARtcEngineKit *)engine reportAudioVolumeIndicationOfSpeakers:(NSArray<ARtcAudioVolumeInfo *> *)speakers totalVolume:(NSInteger)totalVolume {    /// 提示频道内谁正在说话、说话者音量及本地用户是否在说话的回调            if([delegate respondsToSelector:@selector(onUserVoiceVolumeChanged:volume:)] && volumeInfo.volume > 20) {                [delegate onUserVoiceVolumeChanged:([volumeInfo.uid isEqualToString:@"0"] ? [ARUILogin getUserID] : volumeInfo.uid) volume:volumeInfo.volume];            }}

- (void)setupData {    _data = [NSMutableArray array];    ARUIMeetVideoConfiguration *videoConfig = ARUIRTCMeeting.videoConfig;        ARUIRoomVideoModel *videoModel = self.dimensionsTable[videoConfig.dimensionsIndex];    ARCommonTextCellData *resolutionStatus = [ARCommonTextCellData new];    resolutionStatus.key = @"分辨率";    resolutionStatus.value = videoModel.resolutionName;    resolutionStatus.showAccessory = YES;        ARCommonTextCellData *rateStatus = [ARCommonTextCellData new];    rateStatus.key = @"帧率";    rateStatus.value = [NSString stringWithFormat:@"%@", self.frameRateTable[videoConfig.frameRateIndex]];    rateStatus.showAccessory = YES;        ARCommonSwitchCellData *mirrorStatus = [ARCommonSwitchCellData new];    mirrorStatus.title =  @"本地镜像";    mirrorStatus.cswitchSelector = @selector(onSwitchMirrorStatus:);    if(ARUIRTCMeeting.isReal) {        mirrorStatus.on = NO;        mirrorStatus.enable = NO;    } else {        mirrorStatus.on = videoConfig.mirror;    }    [_data addObject:@[resolutionStatus, rateStatus,mirrorStatus]];        ARUIMeetAudioConfiguration *audioConfig = ARUIRTCMeeting.audioConfig;    ARCommonSwitchCellData *volumeStatus = [ARCommonSwitchCellData new];    volumeStatus.title =  @"音量提示";    volumeStatus.cswitchSelector = @selector(onAudioStatus:);    volumeStatus.on = audioConfig.volumePrompt;        ARCommonSwitchCellData *noiseStatus = [ARCommonSwitchCellData new];    noiseStatus.title =  @"AI 降噪";    noiseStatus.cswitchSelector = @selector(onNoiseStatus:);    noiseStatus.on = audioConfig.noise;        ARCommonSliderCellData *recordStatus = [ARCommonSliderCellData new];    recordStatus.key = @"采集音量";    recordStatus.currentVolume = audioConfig.captureVolume;    recordStatus.csliderSelector = @selector(onRecordStatus:);    recordStatus.maxVolume = 200;        ARCommonSliderCellData *playStatus = [ARCommonSliderCellData new];    playStatus.key = @"播放音量";    playStatus.currentVolume = audioConfig.playVolume;    playStatus.csliderSelector = @selector(onPlayStatus:);    playStatus.maxVolume = 200;    [_data addObject:@[volumeStatus, noiseStatus, recordStatus, playStatus]];}
- (void)resolutionDidClick {    UIWindow *window = UIApplication.sharedApplication.windows.firstObject;    if(window) {        @weakify(self);        ARUIRoomResolutionAlert *alert = [[ARUIRoomResolutionAlert alloc] initWithStyle:ARUIRoomAlertStyleResolution dataSource:self.dimensionsTable selected:^(NSUInteger index) {            @strongify(self)            if (!self) return;            ARUIRoomVideoModel *videoModel = self.dimensionsTable[index];            [ARTCMeeting.shareInstance videoConfig].dimensionsIndex = index;            [ARTCMeeting.shareInstance videoConfig].videoModel = videoModel;            [self updateVideoEncoderParam];                        ARCommonTextCellData *cellData =  self.data.firstObject[0];            cellData.value = videoModel.resolutionName;            [self.tableView reloadData];        }];        [window addSubview:alert];        [alert mas_makeConstraints:^(MASConstraintMaker *make) {            make.edges.equalTo(window);        }];        [window layoutIfNeeded];        [alert show];    }}
- (void)fpsDidClick {    UIWindow *window = UIApplication.sharedApplication.windows.firstObject;    if(window) {        @weakify(self);        ARUIRoomResolutionAlert *alert = [[ARUIRoomResolutionAlert alloc] initWithStyle:ARUIRoomAlertStyleFrameRate dataSource:self.frameRateTable selected:^(NSUInteger index) {            @strongify(self)            if (!self) return;            [ARTCMeeting.shareInstance videoConfig].frameRateIndex = index;            [self updateVideoEncoderParam];                        ARCommonTextCellData *cellData =  self.data.firstObject[1];            cellData.value = [NSString stringWithFormat:@"%@", self.frameRateTable[index]];            [self.tableView reloadData];        }];        [window addSubview:alert];        [alert mas_makeConstraints:^(MASConstraintMaker *make) {            make.edges.equalTo(window);        }];        [window layoutIfNeeded];        [alert show];    }}
- (void)updateVideoEncoderParam {    [ARTCMeeting.shareInstance updateVideoEncoderParam];}
- (void)onSwitchMirrorStatus:(ARCommonSwitchCell *)cell {    /// 本地镜像    [ARUIRTCMeeting setLocalRenderMirrorMode:cell.switcher.isOn];}
- (void)onAudioStatus:(ARCommonSwitchCell *)cell {    /// 音量提示    [ARUIRTCMeeting enableAudioVolumeIndication:cell.switcher.isOn];}
- (void)onNoiseStatus:(ARCommonSwitchCell *)cell {    /// AI 降噪    [ARUIRTCMeeting setAudioAiNoise:cell.switcher.isOn];}
- (void)onRecordStatus:(ARCommonSliderCell *)cell {    /// 录制音量    int value = cell.slider.value;    [ARUIRTCMeeting adjustRecordingSignalVolume:value];}
- (void)onPlayStatus:(ARCommonSliderCell *)cell {    /// 播放音量    int value = cell.slider.value;    [ARUIRTCMeeting adjustPlaybackSignalVolume:value];}

//MARK: - ARTCMeetingDelegate
- (void)onUserEnter:(NSString *)uid {        if(![self.attendeeMap.allKeys containsObject:uid]) {            ARUIAttendeeModel * attendeeModel = [[ARUIAttendeeModel alloc] init];            if([uid isEqualToString:ARUIRTCMeeting.roomInfo.ownerId]) {                attendeeModel.isOwner = YES; // 房主            }            attendeeModel.userId = uid;            attendeeModel.userName = uid;            if([attendeeModel.userId isEqualToString:[ARUIRTCMeeting roomInfo].ownerId]) {                [self.attendeeList insertObject:attendeeModel atIndex:0];            } else {                [self.attendeeList addObject:attendeeModel];            }            [self.attendeeMap setValue:attendeeModel forKey:uid];            [self reloadData];            [self updateMemberCount];}
- (void)onUserLeave:(NSString *)uid {        [self.attendeeMap removeObjectForKey:uid];        for (ARUIAttendeeModel *attendeeModel in self.attendeeList) {            if([attendeeModel.userId isEqualToString:uid]) {                [self.attendeeList removeObject:attendeeModel];                break;            }        }        [self reloadData];        [self updateMemberCount];}
- (void)onUserVideoAvailable:(NSString *)uid available:(BOOL)available {    if([self.attendeeMap.allKeys containsObject:uid]) {        ARUIAttendeeModel *attendModel = [self.attendeeMap objectForKey:uid];        attendModel.hasVideoStream = available;        [self reloadData];    }}
- (void)onUserAudioAvailable:(NSString *)uid available:(BOOL)available {    if([self.attendeeMap.allKeys containsObject:uid]) {        ARUIAttendeeModel *attendModel = [self.attendeeMap objectForKey:uid];        attendModel.hasAudioStream = available;        [self reloadData];    }}
- (void)onUserInfoChanged:(NSString *)uid memberInfo:(ARUIMemberInfo *)info {    ARLog(@"ARTCMeeting - onUserInfoChanged %@", uid);    if([self.attendeeMap.allKeys containsObject:uid]) {        ARUIAttendeeModel *attendModel = [self.attendeeMap objectForKey:uid];        attendModel.userName = info.nickName;        attendModel.avatarUrl = info.faceUrl;        [self reloadData];    }}
- (void)onModifyUserName:(NSString *)name uid:(NSString *)uid {    ARLog(@"ARTCMeeting - onModifyUserName %@ %@", uid, name);    if([self.attendeeMap.allKeys containsObject:uid]) {        ARUIAttendeeModel *attendModel = [self.attendeeMap objectForKey:uid];        attendModel.userName = name;        [self reloadData];    }}

- (void)createMeetingChannel {    self.rtmChannel = [[ARtmManager.defaultManager getRtmKit] createChannelWithId:self.curRoomID delegate:self];    [self.rtmChannel joinWithCompletion:^(ARtmJoinChannelErrorCode errorCode) {        NSLog(@"ARTCMeeting - Join RTM Channel code = %ld", (long)errorCode);    }];}
- (void)leaveMeetingChannel {    if(self.rtmChannel) {        [self.rtmChannel leaveWithCompletion:nil];        [ARtmManager.defaultManager releaseChannel:self.curRoomID];        self.rtmChannel = nil;    }}
- (void)sendUIMsg:(ARUIChatMessageCellData *)cellData success:(void (^)(void))success failed:(void (^)(void))failed {    ARUIChatSystemMessageCellData *dateMsg = [self getSystemMsgFromDate:cellData.barrageModel.sendTime];    if (dateMsg != nil) {        /// 添加系统消息        self.msgForDate = cellData.barrageModel;        [self.uiMsgs addObject:dateMsg];        if(self.dataSource && [self.dataSource respondsToSelector:@selector(dataProviderDataSourceChange:index:)]) {            [self.dataSource dataProviderDataSourceChange:ARUIChatDataSourceChangeTypeInsert index:self.uiMsgs.count - 1];        }    }        cellData.status = ARUIChatMsgStatusSending;    [self.uiMsgs addObject:cellData];    if(self.dataSource && [self.dataSource respondsToSelector:@selector(dataProviderDataSourceChange:index:)]) {        [self.dataSource dataProviderDataSourceChange:ARUIChatDataSourceChangeTypeInsert index:self.uiMsgs.count - 1];    }        NSDictionary *dic = [cellData.barrageModel mj_keyValues];    ARtmMessage *message = [[ARtmMessage alloc] initWithText:[ARUICoreUtil fromDicToJsonStr:dic]];    ARtmSendMessageOptions *messageOptions = [[ARtmSendMessageOptions alloc] init];        @weakify(self);    [self.rtmChannel sendMessage:message sendMessageOptions:messageOptions completion:^(ARtmSendChannelMessageErrorCode errorCode) {        @strongify(self)        if (!self) return;        if(errorCode == ARtmSendChannelMessageErrorOk) {            if(success) {                success();            }        } else {            if(failed) {                failed();            }        }    }];}
- (ARUIChatSystemMessageCellData * _Nullable)getSystemMsgFromDate:(NSInteger)time {    // 添加系统时间消息    NSInteger temp = time/1000;    NSInteger lastTime = self.msgForDate.sendTime/1000;        if (self.msgForDate == nil || labs(temp - lastTime) > kMaxDateMessageDelay) {        ARUIChatSystemMessageCellData *cellData = [[ARUIChatSystemMessageCellData alloc] initWithDirection:ARUIChatMsgDirectionOutgoing];        cellData.content = [NSDate timeStringWithTimeInterval:(NSTimeInterval)temp];        return cellData;    }    return nil;}

class SampleHandler: ARUIBaseSampleHandler {        override func processSampleBuffer(_ sampleBuffer: CMSampleBuffer, with sampleBufferType: RPSampleBufferType) {        switch sampleBufferType {        case RPSampleBufferType.video:            // Handle video sample buffer            guard let pixelBuffer = CMSampleBufferGetImageBuffer(sampleBuffer) else { return }            let timestamp = CMSampleBufferGetPresentationTimeStamp(sampleBuffer)                        let videoFrame = ARVideoFrame()            videoFrame.format = 12            videoFrame.time = timestamp            videoFrame.textureBuf = pixelBuffer            videoFrame.rotation = Int32(getRotateByBuffer(sampleBuffer))            rtcEngine?.pushExternalVideoFrame(videoFrame)        case RPSampleBufferType.audioApp:            // Handle audio sample buffer for app audio            if audioAppState {                rtcEngine?.pushExternalAudioFrameSampleBuffer(sampleBuffer, type: .app)            }        case RPSampleBufferType.audioMic:            // Handle audio sample buffer for mic audio            rtcEngine?.pushExternalAudioFrameSampleBuffer(sampleBuffer, type: .mic)            break        @unknown default:            // Handle other sample buffer types            fatalError("Unknown type of sample buffer")        }    }}
extension SampleHandler {    func initialization(dic: NSDictionary) {        guard let appId = dic.object(forKey: "appId") as? String, let chanId = dic.object(forKey: "channelId") as? String, let screenUid = dic.object(forKey: "uid") as? String else {            finishBroadcast("parameter error")            return        }                rtcEngine = ARtcEngineKit.sharedEngine(withAppId: appId, delegate: self)        rtcEngine?.setChannelProfile(.liveBroadcasting)        rtcEngine?.setClientRole(.broadcaster)        rtcEngine?.enableVideo()                /// 配置外部视频源        rtcEngine?.setExternalVideoSource(true, useTexture: true, pushMode: true)        /// 推送外部音频帧        rtcEngine?.enableExternalAudioSource(withSampleRate: 48000, channelsPerFrame: 2)                rtcEngine?.muteAllRemoteAudioStreams(true)        rtcEngine?.muteAllRemoteVideoStreams(true)        rtcEngine?.enableDualStreamMode(true)                debugPrint("joinChannel chanId = \(chanId)")        let token = dic.object(forKey: "token") as! String        rtcEngine?.joinChannel(byToken: token, channelId: chanId, uid: screenUid, joinSuccess: { [weak self] _, _, _ in            guard let self = self else { return }            /// 正在屏幕共享        })    }}

platform :ios, '11.0'use_frameworks!
target 'ARUITalking' do# anyRTC 音视频库pod 'ARtcKit_iOS', '~> 4.3.0.4'# anyRTC 实时消息库pod 'ARtmKit_iOS', '~> 1.1.0.1'end