tencent cloud

self.trtcCloud = [TRTCCloud sharedInstance];
// 设置本地画面的预览模式：开启左右镜像，设置画面为填充模式
TRTCRenderParams *param = [[TRTCRenderParams alloc] init];
param.fillMode   = TRTCVideoFillMode_Fill;
param.mirrorType = TRTCVideoMirrorTypeAuto;
[self.trtcCloud setLocalRenderParams:param];

// 启动本地摄像头的预览（localCameraVideoView 是用于渲染本地渲染画面的控件）
[self.trtcCloud startLocalPreview:YES view:localCameraVideoView];

// 通过 TXDeviceManager 开启自动对焦并将闪光灯打开
TXDeviceManager *manager = [self.trtcCloud getDeviceManager];
if ([manager isAutoFocusEnabled]) {
    [manager enableCameraAutoFocus:YES];
}
[manager enableCameraTorch:YES];


self.trtcCloud = [TRTCCloud sharedInstance];
// 设置本地画面的预览模式：开启左右镜像，设置画面为填充模式
TRTCRenderParams *param = [[TRTCRenderParams alloc] init];
param.fillMode   = TRTCVideoFillMode_Fill;
param.mirrorType = TRTCVideoMirrorTypeAuto;
[self.trtcCloud setLocalRenderParams:param];

// 启动本地摄像头的预览（localCameraVideoView 是用于渲染本地渲染画面的控件）
[self.trtcCloud startLocalPreview:localCameraVideoView];


// 设置本地画面的预览模式：开启左右镜像，设置画面为填充模式
liteav::TRTCRenderParams render_params;
render_params.mirrorType = liteav::TRTCVideoMirrorType_Enable;
render_params.fillMode = TRTCVideoFillMode_Fill;
trtc_cloud_->setLocalRenderParams(render_params);

// 启动本地摄像头的预览（view 是用于渲染本地渲染画面的控件句柄）
liteav::TXView local_view = (liteav::TXView)(view);
trtc_cloud_->startLocalPreview(local_view);


self.trtcCloud = [TRTCCloud sharedInstance];
// 开启麦克风采集，并设置当前场景为：语音模式（高噪声抑制能力、强弱网络抗性）
[self.trtcCloud startLocalAudio:TRTCAudioQualitySpeech];

// 开启麦克风采集，并设置当前场景为：音乐模式（高保真采集、低音质损失，推荐配合专业声卡使用）
[self.trtcCloud startLocalAudio:TRTCAudioQualityMusic];


// 开启麦克风采集，并设置当前场景为：语音模式（高噪声抑制能力、强弱网络抗性）
trtc_cloud_->startLocalAudio(TRTCAudioQualitySpeech);

// 开启麦克风采集，并设置当前场景为：音乐模式（高保真采集、低音质损失，推荐配合专业声卡使用）
trtc_cloud_->startLocalAudio(TRTCAudioQualityMusic);


self.trtcCloud = [TRTCCloud sharedInstance];
self.trtcCloud.delegate = self;

// 组装 TRTC 进房参数，请将 TRTCParams 中的各字段都替换成您自己的参数
// Please replace each field in TRTCParams with your own parameters
TRTCParams *params = [[TRTCParams alloc] init];
params.sdkAppId = 1400000123;  // Please replace with your own SDKAppID
params.roomId = 123321; // Please replace with your own room number
params.userId = @"denny";   // Please replace with your own userid  
params.userSig = @"xxx"; // Please replace with your own userSig
params.role = TRTCRoleAnchor;

// 如果您的场景是“在线直播”，请将应用场景设置为 TRTC_APP_SCENE_LIVE
// If your application scenario is a video call between several people, please use "TRTC_APP_SCENE_LIVE"
[self.trtcCloud enterRoom:params appScene:TRTCAppSceneLIVE];


trtc_cloud_ = getTRTCShareInstance();

// 组装 TRTC 进房参数，请将 TRTCParams 中的各字段都替换成您自己的参数
// Please replace each field in TRTCParams with your own parameters
liteav::TRTCParams params;
params.sdkAppId = 1400000123;  // Please replace with your own SDKAppID
params.userId = "denny";       // Please replace with your own userid  
params.roomId = 123321;        // Please replace with your own room number
params.userSig = "xxx";        // Please replace with your own userSig
params.role = TRTCCloudDef.TRTCRoleAnchor;

// 如果您的场景是“在线直播”，请将应用场景设置为 TRTC_APP_SCENE_LIVE
// If your application scenario is a video call between several people, please use "TRTC_APP_SCENE_LIVE"
trtc_cloud_->enterRoom(params, liteav::TRTCAppSceneLIVE);


self.trtcCloud = [TRTCCloud sharedInstance];
// 如果您当前的角色是观众（Audience），需要先调用 switchRole 切换到主播（Anchor）
// If your current role is 'audience', you need to call switchRole to switch to 'anchor' first
[self.trtcCloud switchRole:TRTCRoleAnchor];
[self.trtcCloud startLocalAudio:TRTCAudioQualityDefault];
[self.trtcCloud startLocalPreview:YES view:localCameraVideoView];

// 如果切换角色失败，onSwitchRole 回调的错误码便不是 0
// If switching operation failed, the error code of the 'onSwitchRole' is not zero
- (void)onSwitchRole:(TXLiteAVError)errCode errMsg:(nullable NSString *)errMsg {
    if (errCode != 0) {
        NSLog(@"Switching operation failed... ");
    }   
}


self.trtcCloud = [TRTCCloud sharedInstance];
// 如果您当前的角色是观众（Audience），需要先调用 switchRole 切换到主播（Anchor）
// If your current role is 'audience', you need to call switchRole to switch to 'anchor' first
[self.trtcCloud switchRole:TRTCRoleAnchor];
[self.trtcCloud startLocalAudio:TRTCAudioQualityDefault];
[self.trtcCloud startLocalPreview:localCameraVideoView];

// 如果切换角色失败，onSwitchRole 回调的错误码便不是 0
// If switching operation failed, the error code of the 'onSwitchRole' is not zero
- (void)onSwitchRole:(TXLiteAVError)errCode errMsg:(nullable NSString *)errMsg {
    if (errCode != 0) {
        NSLog(@"Switching operation failed... ");
    }   
}


// 如果您当前的角色是观众（Audience），需要先调用 switchRole 切换到主播（Anchor）
// If your current role is 'audience', you need to call switchRole to switch to 'anchor' first
trtc_cloud_->switchRole(liteav::TRTCRoleAnchor);
trtc_cloud_->startLocalAudio(TRTCAudioQualityDefault);
trtc_cloud_->startLocalPreview(hWnd);

// 切换角色失败，onSwitchRole 回调的错误码便不是 ERR_NULL（即0）
// If switching operation failed, the error code of the 'onSwitchRole' is not zero
void onSwitchRole(TXLiteAVError errCode, const char* errMsg) {
    if (errCode != ERR_NULL) {
        printf("Switching operation failed...");
    }
}