1    #import <BaiduRtcRoom/RTCNSGLVideoView.h>
2    #import <BaiduRtcRoom/RTCVideoRenderer.h>
3    #import <BaiduRtcRoom/RTCMTLNSVideoView.h>
4    #import <BaiduRtcRoom/BaiduRtcRoom.h>  

1    @property (nonatomic, strong) BaiduRtcRoomApi *rtcRoomApi;

1    _rtcRoomApi = [[BaiduRtcRoomApi alloc] initSDKWithAppID:_appId
2                                                   tokenStr:_tokenStr
3                                                   delegate:nil];

1    RtcParameterSettings *rps = [[RtcParameterSettings alloc] init];
2    rps.videoFps = 29;
3    rps.videoWidth = 192;
4    rps.videoHeight = 144;
5    rps.videoBitrate = 300;
6    //使用外部采集。若 enable 外部采集，需实现 BaiduVideoCaptureFactory 和 BaiduVideoCaptureDevice 两种 protocol；其中 BaiduVideoCaptureFactory delegate 需要通过 setVideoCaptureFactory 设置给 SDK.
7    rps.isEnableExternalCapturer = YES;
8    //使用外部渲染，外部渲染远端视频画面。若 enable 外部渲染，需实现 BaiduRtcApiRenderDelegate protocol, 并通过 setRenderDelegate 设置给 SDK.
9    rps.isEnableExternalRender = YES;
10    //使用声音录制, 连麦时混合后的声音抛给用户处理。若 enable 本地采集和远端声音混功能，需实现 BaiduRtcApiAudioRecordDelegate protocol, 并通过 setAudioRecordDelegate 设置给 SDK
11    [_rtcRoomApi setParamSettings:rps paramType:RTC_PARAM_SETTINGS_ALL];

1    [_rtcRoomApi setLocalDisplay:mainView.localVideoView];
2    [_rtcRoomApi setRemoteDisplay:mainView.remoteVideoView];

1    [_rtcRoomApi loginRtcRoomWithRoomName:roomId
2                                   userID:_userId
3                              displayName:@"sj_mac"];

1    [_rtcRoomApi publishStreaming];                        

1    [_rtcRoomApi logoutRtcRoom];