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[ { "from": "human", "value": "如何处理七牛云的实时音视频QNRTCClient" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows >QNRTCClient\n\n# QNRTCClient\n\n最近更新时间: 2022-03-23 23:11:41\n\nRTC 核心类，包含加入房间，离开房间，订阅、发布 Track，获取统计信息等功能\n\nIndex\n\nCore Methods\n\n * SetClientRole\n * SetAutoSubscribe\n * Join\n * Leave\n * GetConnectionState\n * Publish\n * UnPublish\n * Subscribe\n * UnSubscribe\n * SendCustomMessage\n * SetLiveStreamingListener\n * StartLiveStreaming[1/2]\n * StartLiveStreaming[2/2]\n * StopLiveStreaming[1/2]\n * StopLiveStreaming[2/2]\n * SetTranscodingLiveStreamingTracks\n * RemoveTranscodingLiveStreamingTracks\n * SetRemoteAudioMixedFrameListener\n * GetPublishedTracks\n * GetRemoteUsers[1/2]\n * GetRemoteUsers[2/2]\n * GetRemoteVideoTrackStats\n * GetRemoteAudioTrackStats\n * GetLocalVideoTrackStats\n * GetLocalAudioTrackStats\n\nCore Methods\n\nSetClientRole\n\n * virtual void SetClientRole([QNClientRole](https://developer.qiniu.com/rtc/9446/qnrtcclient/11332/QNClientRole) client_role, [QNClientRoleListener](https://developer.qiniu.com/rtc/9446/qnrtcclient/11333/QNClientRoleListener)* listener) = 0\n * 设置直播场景下的用户角色\n\n该方法在加入频道前后均可调用。\n\nParameters\n\n * client_role: [QNClientRole](https://developer.qiniu.com/rtc/9446/qnrtcclient/11332/QNClientRole)\n\n目标角色\n\n * listener: [QNClientRoleListener](https://developer.qiniu.com/rtc/9446/qnrtcclient/11333/QNClientRoleListener)\n\n设置角色结果回调\n\nSetAutoSubscribe\n\n * virtual void SetAutoSubscribe(bool auto_subscribe) = 0\n * 设置是否启用自动订阅\n\n当开启此选项后，房间内有任意用户新发布 Track 的时候，会自动订阅此路 Track，订阅成功后，会触发\n[QNClientEventListener.OnSubscribed](https://developer.qiniu.com/rtc/9446/qnrtcclient/9407)\n回调\n\nParameters\n\n * auto_subscribe: bool \n\n是否自动订阅\n\nJoin\n\n * virtual void Join(const std::string& token, const std::string& user_data = \"\") = 0\n * 加入房间\n\n接口调用成功后，将会触发\n[QNClientEventListener.OnConnectionStateChanged](https://developer.qiniu.com/rtc/9446/qnrtcclient/9407)\n回调\n\n> 请确保在\n> [QNConnectionState.kDisconnected](https://developer.qiniu.com/rtc/9446/qnrtcclient/9464)\n> 状态下调用该接口加入房间，否则接口调用无效\n\nParameters\n\n * token: string \n\n房间 Token\n\n * user_data: string \n\n用户信息\n\nLeave\n\n * virtual void Leave() = 0\n * 离开房间\n\n成功离开房间后，会触发\n[QNClientEventListener.OnConnectionStateChanged](https://developer.qiniu.com/rtc/9446/qnrtcclient/9407)\n回调\n\nGetConnectionState\n\n * virtual QNConnectionState GetConnectionState() = 0\n * 获取当前房间连接状态\n\nReturns\n[QNConnectionState](https://developer.qiniu.com/rtc/9446/qnrtcclient/undefined)\n\nPublish\n\n * virtual void Publish(LocalTrackList& track_list, QNPublishResultCallback* listener) = 0\n * 发布本地媒体流，结果通过 [QNPublishResultCallback](https://developer.qiniu.com/rtc/9446/qnrtcclient/9435/QNPublishResultCallback) 接口通知\n\nParameters\n\n * track_list: std::list<[QNLocalTrack](https://developer.qiniu.com/rtc/9446/qnrtcclient/9422/QNLocalTrack)*>\n\n要发布的本地 Track 列表\n\n * listener: [QNPublishResultCallback](https://developer.qiniu.com/rtc/9446/qnrtcclient/9435/QNPublishResultCallback)\n\n发布结果回调函数\n\nUnPublish\n\n * virtual void UnPublish(LocalTrackList& track_list) = 0\n * 取消发布本地媒体列表\n\nParameters\n\n * track_list: std::list<[QNLocalTrack](https://developer.qiniu.com/rtc/9446/qnrtcclient/9422/QNLocalTrack)*>\n\n要取消发布的本地 Track 列表\n\nSubscribe\n\n * virtual void Subscribe(const RemoteTrackList& track_list) = 0\n * 订阅远端 Track 列表，订阅成功后，会触发 [QNClientEventListener.OnSubscribed](https://developer.qiniu.com/rtc/9446/qnrtcclient/9407) 回调\n\nParameters\n\n * track_list: std::list<shared_ptr<[QNRemoteTrack](https://developer.qiniu.com/rtc/9446/qnrtcclient/9440/QNRemoteTrack)>>\n\n要订阅的远端 Track 列表\n\nUnSubscribe\n\n * virtual void UnSubscribe(const RemoteTrackList& track_list) = 0\n * 取消订阅远端 Track 列表\n\nParameters\n\n * track_list: std::list<shared_ptr<[QNRemoteTrack](https://developer.qiniu.com/rtc/9446/qnrtcclient/9440/QNRemoteTrack)>>\n\n要取消订阅的远端 Track 列表\n\nSendCustomMessage\n\n * virtual void SendCustomMessage(const std::list<std::string>& users_list, const std::string& message_id, const std::string& message) = 0\n * 发送自定义消息到指定用户群，发送成功后，会触发远端用户的 [QNClientEventListener.OnMessageReceived](https://developer.qiniu.com/rtc/9446/qnrtcclient/9407) 回调接口\n\nParameters\n\n * users_list: std::list<std::string>\n\n用户 ID 列表\n\n * message_id: string \n\n自定义消息 ID\n\n * message: string \n\n自定义消息内容\n\nSetLiveStreamingListener\n\n * virtual void SetLiveStreamingListener([QNLiveStreamingListener](https://developer.qiniu.com/rtc/9446/qnrtcclient/9418/QNLiveStreamingListener)* listener) = 0\n * 设置 CDN 转推监听接口\n\nParameters\n\n * listener: [QNLiveStreamingListener](https://developer.qiniu.com/rtc/9446/qnrtcclient/9418/QNLiveStreamingListener)\n\n转推监听接口\n\nStartLiveStreaming[1/2]\n\n * virtual void StartLiveStreaming([QNDirectLiveStreamingConfig](https://developer.qiniu.com/rtc/9446/qnrtcclient/9414/QNDirectLiveStreamingConfig)& config) = 0\n * 开始单路 CDN 转推\n\nParameters\n\n * config: [QNDirectLiveStreamingConfig](https://developer.qiniu.com/rtc/9446/qnrtcclient/9414/QNDirectLiveStreamingConfig)\n\n单路转推配置\n\nStartLiveStreaming[2/2]\n\n * virtual void StartLiveStreaming([QNTranscodingLiveStreamingConfig](https://developer.qiniu.com/rtc/9446/qnrtcclient/9456/QNTranscodingLiveStreamingConfig)& config) = 0;\n * 开始合流转码 CDN 转推\n\nParameters\n\n * config: [QNTranscodingLiveStreamingConfig](https://developer.qiniu.com/rtc/9446/qnrtcclient/9456/QNTranscodingLiveStreamingConfig)\n\n合流转推配置\n\nStopLiveStreaming[1/2]\n\n * virtual void StopLiveStreaming([QNDirectLiveStreamingConfig](https://developer.qiniu.com/rtc/9446/qnrtcclient/9414/QNDirectLiveStreamingConfig)& config) = 0\n * 停止单路 CDN 转推\n\nParameters\n\n * config: [QNDirectLiveStreamingConfig](https://developer.qiniu.com/rtc/9446/qnrtcclient/9414/QNDirectLiveStreamingConfig)\n\n单路 CDN 转推配置\n\nStopLiveStreaming[2/2]\n\n * virtual void StopLiveStreaming([QNTranscodingLiveStreamingConfig](https://developer.qiniu.com/rtc/9446/qnrtcclient/9456/QNTranscodingLiveStreamingConfig)& config) = 0\n * 停止合流转码 CDN 转推\n\nParameters\n\n * config: [QNTranscodingLiveStreamingConfig](https://developer.qiniu.com/rtc/9446/qnrtcclient/9456/QNTranscodingLiveStreamingConfig)\n\n合流转推配置\n\nSetTranscodingLiveStreamingTracks\n\n * virtual void SetTranscodingLiveStreamingTracks(std::string& stream_id, QNTranscodeingTrackList& transcoding_track_list) = 0\n * 新增、更新合流转推布局配置\n\n> 新增 track 布局以及对已有的 track 的合流布局进行更新均可通过该接口实现，只需修改 transcodingTracks 对应的 track\n> 内容即可。\n\nParameters\n\n * stream_id: string \n\n合流任务 stream id\n\n * transcoding_track_list: std::list<[QNTranscodingLiveStreamingTrack](https://developer.qiniu.com/rtc/9446/qnrtcclient/9458/QNTranscodingLiveStreamingTrack)>\n\n待新增、更新的合流转推布局配置\n\nRemoveTranscodingLiveStreamingTracks\n\n * virtual void RemoveTranscodingLiveStreamingTracks(std::string& stream_id, QNTranscodeingTrackList& transcoding_track_list) = 0\n * 移除合流转推布局配置\n\nParameters\n\n * stream_id: string \n\n合流任务 stream id\n\n * transcoding_track_list: std::list<[QNTranscodingLiveStreamingTrack](https://developer.qiniu.com/rtc/9446/qnrtcclient/9458/QNTranscodingLiveStreamingTrack)>\n\n待移除合流转推布局配置\n\nSetRemoteAudioMixedFrameListener\n\n * virtual void SetRemoteAudioMixedFrameListener([QNRemoteAudioMixedFrameListener](https://developer.qiniu.com/rtc/9446/qnrtcclient/9437/QNRemoteAudioMixedFrameListener)* listener) = 0\n * 设置监听远端所有音频 Track 混合后的音频数据\n\nParameters\n\n * listener: [QNRemoteAudioMixedFrameListener](https://developer.qiniu.com/rtc/9446/qnrtcclient/9437/QNRemoteAudioMixedFrameListener)\n\n音频数据监听接口\n\nGetPublishedTracks\n\n * virtual LocalTrackList& GetPublishedTracks() = 0\n * 获取所有已经发布的本地 Track\n\nReturns\nstd::list<[QNLocalTrack](https://developer.qiniu.com/rtc/9446/qnrtcclient/9422/QNLocalTrack)*>\n\nGetRemoteUsers[1/2]\n\n * virtual [QNRemoteUser](https://developer.qiniu.com/rtc/9446/qnrtcclient/9441/QNRemoteUser)& GetRemoteUsers(const std::string& user_id) = 0\n * 获取对应 ID 的远端用户\n\nParameters\n\n * user_id: string \n\n远端用户 ID\n\nReturns\n[QNRemoteUser](https://developer.qiniu.com/rtc/9446/qnrtcclient/9441/QNRemoteUser)\n\nGetRemoteUsers[2/2]\n\n * virtual RemoteUserList& GetRemoteUsers() = 0\n * 获取房间内所有的远端用户\n\nReturns\nstd::list<[QNRemoteUser](https://developer.qiniu.com/rtc/9446/qnrtcclient/9441/QNRemoteUser)>\n\nGetRemoteVideoTrackStats\n\n * virtual QNRemoteVideoTrackStatsMap& GetRemoteVideoTrackStats() = 0\n * 获取已订阅的远端视频轨道统计信息\n\nReturns std::map<std::string,\n[QNRemoteVideoTrackStats](https://developer.qiniu.com/rtc/9446/qnrtcclient/9444/QNRemoteVideoTrackStats)>\n\nGetRemoteAudioTrackStats\n\n * virtual QNRemoteAudioTrackStatsMap& GetRemoteAudioTrackStats() = 0\n * 获取已订阅的远端音频轨道统计信息\n\nReturns std::map<std::string,\n[QNRemoteAudioTrackStats](https://developer.qiniu.com/rtc/9446/qnrtcclient/9439/QNRemoteAudioTrackStats)>\n\nGetLocalVideoTrackStats\n\n * virtual QNLocalVideoTracksStatsMap& GetLocalVideoTrackStats() = 0\n * 获取已发布的近端视频轨道统计信息\n\nReturns std::map<std::string,\nstd::list<[QNLocalVideoTrackStats](https://developer.qiniu.com/rtc/9446/qnrtcclient/9425/QNLocalVideoTrackStats)>>\n\nGetLocalAudioTrackStats\n\n * virtual QNLocalAudioTrackStatsMap& GetLocalAudioTrackStats() = 0\n * 获取已发布的近端音频轨道统计信息\n\nReturns std::map<std::string,\n[QNLocalAudioTrackStats](https://developer.qiniu.com/rtc/9446/qnrtcclient/9421/QNLocalAudioTrackStats)>\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNRTCClientConfig" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows >QNRTCClientConfig\n\n# QNRTCClientConfig\n\n最近更新时间: 2022-03-23 23:13:44\n\n[QNRTCClient](https://developer.qiniu.com/rtc/11344/qnrtcclientconfig/9446/QNRTCClient)\n创建配置类，在\n[QNRTC.CreateClient](https://developer.qiniu.com/rtc/11344/qnrtcclientconfig/9445)\n的时候使用\n\nIndex\n\nProperties\n\n * mode\n * role\n\nProperties\n\nmode\n\n * mode: [QNClientMode](https://developer.qiniu.com/rtc/11344/qnrtcclientconfig/11331/QNClientMode)\n * 使用场景\n\nrole\n\n * role: [QNClientRole](https://developer.qiniu.com/rtc/11344/qnrtcclientconfig/11332/QNClientRole)\n * 用户角色\n\n角色类型，仅当使用场景为互动直播时才会生效\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNRTCEventListener" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows\n>QNRTCEventListener\n\n# QNRTCEventListener\n\n最近更新时间: 2022-03-24 00:24:02\n\nQNRTC 全局事件回调接口，用来监听设备相关的回调事件，如音频路由改变等。可以在 QNRTC 的初始化函数 QNRTC.init 中传入。\n\nIndex\n\nCore Methods\n\n * OnVideoDeviceStateChanged\n * OnAudioDeviceStateChanged\n * OnAudioRouteChanged\n\nCore Methods\n\nOnVideoDeviceStateChanged\n\n * virtual void OnVideoDeviceStateChanged([QNVideoDeviceState](https://developer.qiniu.com/rtc/11345/qnrtceventlistener/9459/QNVideoDeviceState) device_state, const std::string& device_name)\n * 摄像头插拔消息通知，该方法仅适用于 Windows 平台\n\nParameters\n\n * device_state: [QNVideoDeviceState](https://developer.qiniu.com/rtc/11345/qnrtceventlistener/9459/QNVideoDeviceState)\n\n摄像头设备状态\n\n * device_name: string \n\n摄像头设备名\n\nOnAudioDeviceStateChanged\n\n * virtual void OnAudioDeviceStateChanged([QNAudioDeviceState](https://developer.qiniu.com/rtc/11345/qnrtceventlistener/9400/QNAudioDeviceState) device_state, const std::string& device_guid)\n * 音频设备插拔消息通知，该方法仅适用于 Windows 平台\n\nParameters\n\n * device_state: [QNAudioDeviceState](https://developer.qiniu.com/rtc/11345/qnrtceventlistener/9400/QNAudioDeviceState)\n\n设备状态设备状态\n\n * device_guid: string \n\n音频设备 id\n\nOnAudioRouteChanged\n\n * virtual void OnAudioRouteChanged(QNAudioDevice device)\n * 音频路由改变通知， 仅适用于 Android 和 iOS 平台\n\nParameters\n\n * device: QNAudioDevice \n\n当前的音频路由信息\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNRTCSetting" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows >QNRTCSetting\n\n# QNRTCSetting\n\n最近更新时间: 2022-03-30 10:59:56\n\nSDK 的核心参数配置结构体\n\nIndex\n\nProperties\n\n * is_aec3_enabled\n * is_maintain_resolution_enabled\n * is_audio_redundant_enabled\n * is_audio_route_to_speakerphone\n * log_level\n * encoder_type\n\nProperties\n\nis_aec3_enabled\n\n * is_aec3_enabled: bool\n * 是否开启软件回音消除，默认开启\n\nis_maintain_resolution_enabled\n\n * is_maintain_resolution_enabled: bool\n * 是否固定编码分辨率，默认不固定\n\nis_audio_redundant_enabled\n\n * is_audio_redundant_enabled: bool\n * 是否开启音频冗余包发送，开启后能抗抗一定的丢包，默认开启\n\nis_audio_route_to_speakerphone\n\n * is_audio_route_to_speakerphone: bool\n * 设置是否配置扬声器为默认音频路由，默认开启，若传入 false，则默认音频路由为听筒，该参数仅适用于 Android 和 iOS\n\nlog_level\n\n * log_level: [QNLogLevel](https://developer.qiniu.com/rtc/11343/qnrtcsetting/9432/QNLogLevel)\n * 设置日志级别，默认为 kLogInfo 级别\n\nencoder_type\n\n * encoder_type: [QNVideoEncoderType](https://developer.qiniu.com/rtc/11343/qnrtcsetting/9460/QNVideoEncoderType)\n * 设置编码类型，Windows 和 Linux 默认 kEncodeOpenH264 软件编码，Android 和 iOS 默认 kEncodeH264MobileHwCodec 编码\n\n其中 Android 和 iOS 也支持 kEncodeOpenH264 软件编码，Windows 支持 kEncodeH264QSV 和\nkEncodeH264NVENC 编码类型，Linux 暂不支持硬件编码\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNScreenCaptureSourceType" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows\n>QNScreenCaptureSourceType\n\n# QNScreenCaptureSourceType\n\n最近更新时间: 2022-03-23 23:17:03\n\n屏幕共享源类型\n\nIndex\n\nEnum\n\n * QNScreenCaptureSourceType\n\nEnum\n\nQNScreenCaptureSourceType\n\n * Type declaration\n\n * kWindow\n\n * kScreen\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNScreenEventListener" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows\n>QNScreenEventListener\n\n# QNScreenEventListener\n\n最近更新时间: 2022-03-24 15:46:42\n\n屏幕共享异常通知\n\nIndex\n\nCore Methods\n\n * OnSreenError\n\nCore Methods\n\nOnSreenError\n\n * virtual void OnSreenError(int error_code, const std::string& error_message)\n * 屏幕共享失败回调\n\nParameters\n\n * error_code: int \n\n详见错误码\n[QNErrorCode](https://developer.qiniu.com/rtc/development_guidelines/11350/error-\ncode-windows)\n\n * error_message: string \n\n错误描述\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNScreenVideoTrack" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows\n>QNScreenVideoTrack\n\n# QNScreenVideoTrack\n\n最近更新时间: 2022-03-23 23:22:13\n\n本地视频录屏 Track 类\n\n> 屏幕共享 track 的创建需要发起系统屏幕录制的申请，具体使用姿势请参考[屏幕共享 track\n> 使用指南](https://developer.qiniu.com/rtc/9448/qnscreenvideotrack/undefined)。\n\nHierarchy\n\n * [QNTrack](https://developer.qiniu.com/rtc/9448/qnscreenvideotrack/9452/QNTrack)\n * [QNLocalTrack](https://developer.qiniu.com/rtc/9448/qnscreenvideotrack/9422/QNLocalTrack)\n * [QNLocalVideoTrack](https://developer.qiniu.com/rtc/9448/qnscreenvideotrack/9424/QNLocalVideoTrack)\n * [QNCameraVideoTrack](https://developer.qiniu.com/rtc/9448/qnscreenvideotrack/9404/QNCameraVideoTrack)\n * QNScreenVideoTrack \n * [QNCustomVideoTrack](https://developer.qiniu.com/rtc/9448/qnscreenvideotrack/9412/QNCustomVideoTrack)\n * [QNLocalAudioTrack](https://developer.qiniu.com/rtc/9448/qnscreenvideotrack/9420/QNLocalAudioTrack)\n * [QNMicrophoneAudioTrack](https://developer.qiniu.com/rtc/9448/qnscreenvideotrack/9433/QNMicrophoneAudioTrack)\n * [QNCustomAudioTrack](https://developer.qiniu.com/rtc/9448/qnscreenvideotrack/9409/QNCustomAudioTrack)\n * [QNRemoteTrack](https://developer.qiniu.com/rtc/9448/qnscreenvideotrack/9440/QNRemoteTrack)\n * [QNRemoteVideoTrack](https://developer.qiniu.com/rtc/9448/qnscreenvideotrack/9443/QNRemoteVideoTrack)\n * [QNRemoteAudioTrack](https://developer.qiniu.com/rtc/9448/qnscreenvideotrack/9438/QNRemoteAudioTrack)\n\nIndex\n\nCore Methods\n\n * GetTrackID\n * GetUserID\n * GetTag\n * IsAudio\n * IsVideo\n * IsMuted\n * SetMuted\n * SetVideoFrameListener\n * Play\n * SendSEI\n * StartCrop\n * StopCrop\n * StartScale\n * StopScale\n * StartCapture\n * StopCapture\n * IsScreenCaptureSupported\n\nCore Methods\n\nGetTrackID\n\n * virtual const std::string& GetTrackID() = 0\n * 获取 TrackID\n\nReturns string\n\nGetUserID\n\n * virtual const std::string& GetUserID() = 0\n * 获取 UserID\n\nReturns string\n\nGetTag\n\n * virtual const std::string& GetTag() = 0\n * 获取 Tag\n\nReturns string\n\nIsAudio\n\n * virtual bool IsAudio() = 0\n * 是否为音频 track\n\nReturns bool\n\nIsVideo\n\n * virtual bool IsVideo() = 0\n * 是否为视频 track\n\nReturns bool\n\nIsMuted\n\n * virtual bool IsMuted() = 0\n * 是否 muted\n\nReturns bool\n\nSetMuted\n\n * virtual void SetMuted(bool muted) = 0\n * 设置是否静默该 track，静默后，SDK 将会发送静默帧数据\n\nParameters\n\n * muted: bool \n\n是否静默\n\nSetVideoFrameListener\n\n * virtual void SetVideoFrameListener([QNVideoFrameListener](https://developer.qiniu.com/rtc/9448/qnscreenvideotrack/11326/QNVideoFrameListener)* listener) = 0\n * 设置视频数据监听\n\nParameters\n\n * listener: [QNVideoFrameListener](https://developer.qiniu.com/rtc/9448/qnscreenvideotrack/11326/QNVideoFrameListener)\n\n视频数据监听接口\n\nPlay\n\n * virtual void Play(QNView& view) = 0\n * 设置本地渲染参数\n\nParameters\n\n * view: [QNView](https://developer.qiniu.com/rtc/9448/qnscreenvideotrack/11328/QNView)\n\n渲染参数\n\nSendSEI\n\n * virtual void SendSEI(std::string& message,std::string& uuid,int32_t repeat_count) = 0\n * 发送 SEI\n\nParameters\n\n * message: string \n\n消息内容\n\n * uuid: string \n\n唯一 ID\n\n * repeat_count: int \n\n重复次数, -1 为每一帧都发送\n\nStartCrop\n\n * virtual void StartCrop(uint32_t crop_x,uint32_t crop_y,int32_t crop_width,int32_t crop_height) = 0\n * 开启原始帧裁剪功能，设置参数要求如下，如果设置不正确，则输出原始图像\n\nParameters\n\n * crop_x: uint32_t \n\n开始裁减的 X 坐标点，原点为左上角，必须落在原图之内\n\n * crop_y: uint32_t \n\n开始裁减的 Y 坐标点，原点为左上角，必须落在原图之内\n\n * crop_width: int32_t \n\n目标图像宽度，必须为 4 的整数倍，如果是裁剪模式，crop_x和 crop_y，裁剪图像必须在原始图像之内\n\n * crop_height: int32_t \n\n目标图像高度，必须为 4 的整数倍，如果是裁剪模式，crop_x 和 crop_y，裁剪图像必须在原始图像之内\n\nStopCrop\n\n * virtual void StopCrop() = 0\n * 关闭裁剪功能\n\nStartScale\n\n * virtual void StartScale(int32_t dst_width, int32_t dst_height) = 0\n * 开启原始帧缩放功能，设置参数要求如下，如果设置不正确，则输出原始图像\n\nParameters\n\n * dst_width: int32_t \n\n目标图像宽度，必须为 4 的整数倍\n\n * dst_height: int32_t \n\n目标图像高度，必须为 4 的整数倍\n\nStopScale\n\n * virtual void StopScale() = 0\n * 关闭缩放功能\n\nStartCapture\n\n * virtual void StartCapture() = 0\n * 开启摄像头采集\n\nStopCapture\n\n * virtual void StopCapture() = 0\n * 关闭摄像头采集\n\nIsScreenCaptureSupported\n\n * virtual bool IsScreenCaptureSupported() = 0\n * 是否支持屏幕共享， 仅适用于 Android 和 iOS 平台\n\nReturns bool\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNScreenVideoTrackConfig" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows\n>QNScreenVideoTrackConfig\n\n# QNScreenVideoTrackConfig\n\n最近更新时间: 2022-03-23 23:22:56\n\n桌面、窗口视频采集 Track 的配置\n\nIndex\n\nProperties\n\n * encoder_config\n * id\n * tag\n * multi_profile_enabled\n * is_window_graphics_capture_enabled\n\nProperties\n\nencoder_config\n\n * encoder_config: [QNVideoEncoderConfig](https://developer.qiniu.com/rtc/9449/qnscreenvideotrackconfig/11330/QNVideoEncoderConfig)\n * 设置摄像头采集数据编码参数\n\nid\n\n * id: string\n * 窗口 id\n\ntag\n\n * tag: string\n * 自定义标签\n\nmulti_profile_enabled\n\n * multi_profile_enabled: bool\n * 是否开启多流\n\nis_window_graphics_capture_enabled\n\n * is_window_graphics_capture_enabled: bool\n * 是否开启 D3D 录屏，此参数只适用于 Windows\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNScreenWindowInfo" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows\n>QNScreenWindowInfo\n\n# QNScreenWindowInfo\n\n最近更新时间: 2022-03-23 23:24:20\n\nSDK 提供对桌面和窗口的画面采集，以下为可以采集的屏幕或窗口信息\n\nIndex\n\nProperties\n\n * id\n * title\n * type\n\nProperties\n\nid\n\n * id: string\n * 窗口 Id，唯一标识\n\ntitle\n\n * title: string\n * 窗口标题\n\ntype\n\n * type: [QNScreenCaptureSourceType](https://developer.qiniu.com/rtc/9450/qnscreenwindowinfo/11346/QNScreenCaptureSourceType)\n * 窗口类型\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNStretchMode" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows >QNStretchMode\n\n# QNStretchMode\n\n最近更新时间: 2021-09-26 19:18:39\n\n画面渲染窗口填充方式\n\nIndex\n\nEnum\n\n * QNStretchMode\n\nEnum\n\nQNStretchMode\n\n * code | describe | message \n---|---|--- \nASPECT_INVALID | 无效值 | 无 \nASPECT_FILL | 在保持长宽比的前提下，缩放视频，使其充满容器 | 无 \nASPECT_FIT | 在保持长宽比的前提下，缩放视频，使其在容器内完整显示，边缘部分填充黑边 | 无 \nSCALE_TO_FIT | 缩放视频，使其填充满容器，可能导致拉伸变形 | 无 \n \nType declaration\n\n * ASPECT_INVALID\n\n * ASPECT_FILL\n\n * ASPECT_FIT\n\n * SCALE_TO_FIT\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNTrack" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows >QNTrack\n\n# QNTrack\n\n最近更新时间: 2022-03-23 23:25:36\n\n音视频 Track 基类\n\nHierarchy\n\n * QNTrack \n * [QNLocalTrack](https://developer.qiniu.com/rtc/9452/qntrack/9422/QNLocalTrack)\n * [QNLocalVideoTrack](https://developer.qiniu.com/rtc/9452/qntrack/9424/QNLocalVideoTrack)\n * [QNCameraVideoTrack](https://developer.qiniu.com/rtc/9452/qntrack/9404/QNCameraVideoTrack)\n * [QNScreenVideoTrack](https://developer.qiniu.com/rtc/9452/qntrack/9448/QNScreenVideoTrack)\n * [QNCustomVideoTrack](https://developer.qiniu.com/rtc/9452/qntrack/9412/QNCustomVideoTrack)\n * [QNLocalAudioTrack](https://developer.qiniu.com/rtc/9452/qntrack/9420/QNLocalAudioTrack)\n * [QNMicrophoneAudioTrack](https://developer.qiniu.com/rtc/9452/qntrack/9433/QNMicrophoneAudioTrack)\n * [QNCustomAudioTrack](https://developer.qiniu.com/rtc/9452/qntrack/9409/QNCustomAudioTrack)\n * [QNRemoteTrack](https://developer.qiniu.com/rtc/9452/qntrack/9440/QNRemoteTrack)\n * [QNRemoteVideoTrack](https://developer.qiniu.com/rtc/9452/qntrack/9443/QNRemoteVideoTrack)\n * [QNRemoteAudioTrack](https://developer.qiniu.com/rtc/9452/qntrack/9438/QNRemoteAudioTrack)\n\nIndex\n\nCore Methods\n\n * GetTrackID\n * GetUserID\n * GetTag\n * IsAudio\n * IsVideo\n * IsMuted\n\nCore Methods\n\nGetTrackID\n\n * virtual const std::string& GetTrackID() = 0\n * 获取 TrackID\n\nReturns string\n\nGetUserID\n\n * virtual const std::string& GetUserID() = 0\n * 获取 UserID\n\nReturns string\n\nGetTag\n\n * virtual const std::string& GetTag() = 0\n * 获取 Tag\n\nReturns string\n\nIsAudio\n\n * virtual bool IsAudio() = 0\n * 是否为音频 track\n\nReturns bool\n\nIsVideo\n\n * virtual bool IsVideo() = 0\n * 是否为视频 track\n\nReturns bool\n\nIsMuted\n\n * virtual bool IsMuted() = 0\n * 是否 muted\n\nReturns bool\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNTrackInfoChangedListener" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows\n>QNTrackInfoChangedListener\n\n# QNTrackInfoChangedListener\n\n最近更新时间: 2022-03-23 23:26:40\n\nTrack 信息改变回调接口\n\nIndex\n\nCore Methods\n\n * OnVideoProfileChanged\n * OnMuteStateChanged\n\nCore Methods\n\nOnVideoProfileChanged\n\n * virtual void OnVideoProfileChanged(const std::string& user_id,const std::string& track_id,[QNTrackProfile](https://developer.qiniu.com/rtc/9453/qntrackinfochangedlistener/9454/QNTrackProfile) profile) = 0\n * 视频 Track profile 改变后触发\n\nParameters\n\n * user_id: string \n\n切换 pofile 的被订阅用户 ID\n\n * track_id: string \n\n视频 track id\n\n * profile: [QNTrackProfile](https://developer.qiniu.com/rtc/9453/qntrackinfochangedlistener/9454/QNTrackProfile)\n\n当前改变后的 profile\n\nOnMuteStateChanged\n\n * virtual void OnMuteStateChanged(const std::string& user_id,const std::string& track_id,bool muted) = 0\n * Track 静默状态改变后触发\n\nParameters\n\n * user_id: string \n\n是改变静默状态的远端用户 ID\n\n * track_id: string \n\n改变静默状态的远端 track id\n\n * muted: bool \n\n是否为静默状态\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNTrackProfile" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows >QNTrackProfile\n\n# QNTrackProfile\n\n最近更新时间: 2022-03-23 23:27:07\n\nTrack 质量等级\n\nIndex\n\nEnum\n\n * QNTrackProfile\n\nEnum\n\nQNTrackProfile\n\n * code | describe | message \n---|---|--- \nkHigh | 高质量 | 无 \nkMedium | 普通质量 | 无 \nkLow | 低质量 | 无 \n \nType declaration\n\n * kHigh\n\n * kMedium\n\n * kLow\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNTranscodingLiveStreamingConfig" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows\n>QNTranscodingLiveStreamingConfig\n\n# QNTranscodingLiveStreamingConfig\n\n最近更新时间: 2022-03-23 23:28:56\n\n自定义合流配置信息\n\nIndex\n\nProperties\n\n * stream_id\n * publish_url\n * merge_background\n * merge_watermark\n * width\n * height\n * fps\n * bitrate\n * min_bitrate\n * max_bitrate\n * is_hold_last_frame\n * stretch_mode\n\nProperties\n\nstream_id\n\n * stream_id: string\n * 流任务id，保证唯一\n\npublish_url\n\n * publish_url: string\n * 自定义合流推流地址\n\nmerge_background\n\n * merge_background: [QNTranscodingLiveStreamingImage](https://developer.qiniu.com/rtc/9456/qntranscodinglivestreamingconfig/9457/QNTranscodingLiveStreamingImage)\n * 合流背景\n\nmerge_watermark\n\n * merge_watermark: std::list<[QNTranscodingLiveStreamingImage](https://developer.qiniu.com/rtc/9456/qntranscodinglivestreamingconfig/9457/QNTranscodingLiveStreamingImage)>\n * 合流水印\n\nwidth\n\n * width: int32_t\n * 合流画布宽\n\nheight\n\n * height: int32_t\n * 合流画布高\n\nfps\n\n * fps: int32_t\n * 合流帧率\n\nbitrate\n\n * bitrate: int32_t\n * 合流码率 bps\n\nmin_bitrate\n\n * min_bitrate: int32_t\n * 最小码率\n\nmax_bitrate\n\n * max_bitrate: int32_t\n * 最大码率\n\nis_hold_last_frame\n\n * is_hold_last_frame: bool\n * 合流停止时是否保持最后一帧画面\n\nstretch_mode\n\n * stretch_mode: [QNStretchMode](https://developer.qiniu.com/rtc/9456/qntranscodinglivestreamingconfig/9451/QNStretchMode)\n * 合流画面填充模式\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNTranscodingLiveStreamingImage" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows\n>QNTranscodingLiveStreamingImage\n\n# QNTranscodingLiveStreamingImage\n\n最近更新时间: 2022-03-23 23:28:02\n\n合流背景、水印配置参数\n\nIndex\n\nProperties\n\n * layer_url\n * x\n * y\n * layer_width\n * layer_height\n\nProperties\n\nlayer_url\n\n * layer_url: string\n * 合流背景、水印图片 http 网路地址\n\nx\n\n * x: int\n * 在合流画面中的 x 坐标\n\ny\n\n * y: int\n * 在合流画面中的 y 坐标\n\nlayer_width\n\n * layer_width: int\n * 该图片占宽\n\nlayer_height\n\n * layer_height: int\n * 该图片占高\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNTranscodingLiveStreamingTrack" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows\n>QNTranscodingLiveStreamingTrack\n\n# QNTranscodingLiveStreamingTrack\n\n最近更新时间: 2022-03-23 23:29:37\n\n旁路直播合流配置信息，通过 SDK 将参数发送到服务端,服务端按照指定的参数进行合流并推出 RTMP 流\n\nIndex\n\nProperties\n\n * track_id\n * x\n * y\n * z\n * width\n * height\n * stretch_mode\n * is_support_sei\n\nProperties\n\ntrack_id\n\n * track_id: string\n * track id，房间内唯一\n\nx\n\n * x: int32_t\n * 此路视频流（即此 video track）在 RTMP 流画布中的 X 坐标\n\ny\n\n * y: int32_t\n * 此路视频流（即此 video track）在 RTMP 流画布中的 y 坐标\n\nz\n\n * z: int32_t\n * 此路视频流（即此 video track）在 RTMP 流画布中的 z 坐标\n\nwidth\n\n * width: int32_t\n * 此路视频流（即此 video track) RTMP 流画布中的宽度，缩放、裁减方式根据后端配置决定\n\nheight\n\n * height: int32_t\n * 此路视频流（即此 video track) RTMP 流画布中的高度，缩放、裁减方式根据后端配置决定\n\nstretch_mode\n\n * stretch_mode: [QNStretchMode](https://developer.qiniu.com/rtc/9458/qntranscodinglivestreamingtrack/9451/QNStretchMode)\n * 设置video track 在合流时的填充模式，如果不做单独设置,填充模式将继承 StartLiveStreaming 的 stretchMode\n\nis_support_sei\n\n * is_support_sei: bool\n * 是否支持私有 SEI 数据插入，只支持一路 video track 设置\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNTransportPolicy" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows >QNTransportPolicy\n\n# QNTransportPolicy\n\n最近更新时间: 2022-03-23 23:30:36\n\n媒体传输协议配置\n\nIndex\n\nEnum\n\n * QNTransportPolicy\n\nEnum\n\nQNTransportPolicy\n\n * code | describe | message \n---|---|--- \nkForceUDP | 强制 UDP | 无 \nkForceTCP | 强制 TCP | 无 \nkPreferUDP | 优先 UDP | 默认为 kPreferUDP，当用户网络下 UDP 不通时，SDK 自动降级使用 TCP \n \nType declaration\n\n * kForceUDP\n\n * kForceTCP\n\n * kPreferUDP\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNVideoCaptureConfig" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows\n>QNVideoCaptureConfig\n\n# QNVideoCaptureConfig\n\n最近更新时间: 2022-03-23 23:31:23\n\n配置视频采集参数的结构体\n\nIndex\n\nProperties\n\n * width\n * height\n * frame_rate\n\nProperties\n\nwidth\n\n * width: int32_t\n * 设置视频采集宽度\n\nheight\n\n * height: int32_t\n * 设置视频采集高度\n\nframe_rate\n\n * frame_rate: int32_t\n * 是视频采集帧率\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNVideoDeviceState" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows\n>QNVideoDeviceState\n\n# QNVideoDeviceState\n\n最近更新时间: 2022-03-23 23:31:51\n\n摄像头设备状态，SDK 提供设备插拔状态的监控，以下用于标识设备被插入还是拔出设备状态变化后，建议通过\n[GetCameraCount](https://developer.qiniu.com/rtc/9459/qnvideodevicestate/undefined)\n重新获取摄像头设备列表\n\nIndex\n\nEnum\n\n * QNVideoDeviceState\n\nEnum\n\nQNVideoDeviceState\n\n * code | describe | message \n---|---|--- \nkVideoDeviceActive | 设备插入 | 无 \nkVideoDeviceLost | 设备拔出 | 无 \n \nType declaration\n\n * kVideoDeviceActive\n\n * kVideoDeviceLost\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNVideoEncoderConfig" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows\n>QNVideoEncoderConfig\n\n# QNVideoEncoderConfig\n\n最近更新时间: 2022-03-23 21:56:30\n\n配置视频编码参数的结构体\n\nIndex\n\nProperties\n\n * width\n * height\n * frame_rate\n * bitrate\n\nProperties\n\nwidth\n\n * width: int32_t\n * 设置视频编码宽度\n\nheight\n\n * height: int32_t\n * 设置视频编码高度\n\nframe_rate\n\n * frame_rate: int32_t\n * 是视频编码帧率\n\nbitrate\n\n * bitrate: int32_t\n * 是视频编码码率，单位 kbps\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNVideoEncodeType" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows >QNVideoEncodeType\n\n# QNVideoEncodeType\n\n最近更新时间: 2022-03-23 23:32:46\n\n编码器类型\n\nIndex\n\nEnum\n\n * QNVideoEncodeType\n\nEnum\n\nQNVideoEncodeType\n\n * code | describe | message \n---|---|--- \nkEncodeOpenH264 | 默认 Open264 编码器，支持所有平台 | 无 \nkEncodeH264QSV | Intel 集显编码器，仅支持 Windows 平台 | 无 \nkEncodeH264NVENC | NVIDIA 独显编码器，仅支持 Windows 平台 | 无 \nkEncodeH264MobileHwCodec | 移动端硬编码器，仅支持 iOS/Android 平台 | 无 \n \nType declaration\n\n * kEncodeOpenH264\n\n * kEncodeH264QSV\n\n * kEncodeH264NVENC\n\n * kEncodeH264MobileHwCodec\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNVideoFrameListener" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows\n>QNVideoFrameListener\n\n# QNVideoFrameListener\n\n最近更新时间: 2022-03-23 21:37:09\n\n视频数据回调接口\n\nIndex\n\nCore Methods\n\n * OnVideoFrame\n\nCore Methods\n\nOnVideoFrame\n\n * virtual void OnVideoFrame(const std::string& user_id,const string& track_id,const uint8_t* data,uint32_t data_size,int32_t width,int32_t height,QNVideoFrameType video_frame_type) = 0\n * 音频数据回调\n\nParameters\n\n * user_id: string \n\n此视频数据所属的用户\n\n * track_id: string \n\n此音频 track id\n\n * data: uint8_t* \n\n视频数据内存指针\n\n * data_size: uint32_t \n\n数据长度\n\n * width: int32_t \n\n视频宽\n\n * height: int32_t \n\n视频高\n\n * video_frame_type: [QNVideoFrameType](https://developer.qiniu.com/rtc/11326/qnvideoframelistener/11324/QNVideoFrameType)\n\n视频数据类型\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNVideoFrameType" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows >QNVideoFrameType\n\n# QNVideoFrameType\n\n最近更新时间: 2022-03-23 21:26:11\n\n视频数据格式\n\nIndex\n\nEnum\n\n * QNVideoFrameType\n\nEnum\n\nQNVideoFrameType\n\n * Type declaration\n\n * kUnknown\n\n * kI420\n\n * kIYUV\n\n * kRGB24\n\n * kABGR\n\n * kARGB\n\n * kARGB4444\n\n * kRGB565\n\n * kARGB1555\n\n * kYUY2\n\n * kYV12\n\n * kUYVY\n\n * kMJPEG\n\n * kNV21\n\n * kNV12\n\n * kBGRA\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNVideoRotation" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows >QNVideoRotation\n\n# QNVideoRotation\n\n最近更新时间: 2022-03-23 23:33:23\n\n视频数据的旋转角度，主要用于对原始视频数据进行处理的功能接口中\n\nIndex\n\nEnum\n\n * QNVideoRotation\n\nEnum\n\nQNVideoRotation\n\n * code | describe | message \n---|---|--- \nkVideoRotation0 | 旋转 0 度 | 无 \nkVideoRotation90 | 旋转 90 度 | 无 \nkVideoRotation180 | 旋转 180 度 | 无 \nkVideoRotation270 | 旋转 270 度 | 无 \n \nType declaration\n\n * kVideoRotation0\n\n * kVideoRotation90\n\n * kVideoRotation180\n\n * kVideoRotation270\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNView" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Windows >QNView\n\n# QNView\n\n最近更新时间: 2022-03-23 21:48:55\n\n视频窗口及渲染模式设置\n\nIndex\n\nProperties\n\n * hwnd\n * render_type\n * rotation\n * stretch_mode\n * mirror\n\nProperties\n\nhwnd\n\n * hwnd: void*\n * 窗口对象， Windows：窗口句柄, iOS：UIView 窗口\n\nrender_type\n\n * render_type: [QNRenderMode](https://developer.qiniu.com/rtc/11328/qnview/11327/QNRenderMode)\n * 窗口渲染模式\n\nrotation\n\n * rotation: [QNVideoRotation](https://developer.qiniu.com/rtc/11328/qnview/9462/QNVideoRotation)\n * 视频渲染时画面旋转角度\n\nstretch_mode\n\n * stretch_mode: [QNStretchMode](https://developer.qiniu.com/rtc/11328/qnview/9451/QNStretchMode)\n * 渲染窗口画面填充模式\n\nmirror\n\n * mirror: bool\n * 画面渲染时是否镜像\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNAudioEffect" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNAudioEffect\n\n# QNAudioEffect\n\n最近更新时间: 2022-06-20 14:37:08\n\n音效混音配置类，可通过\n[QNAudioEffectMixer::CreateAudioEffect](https://developer.qiniu.com/rtc/11986/QNAudioEffect-\nLinux/11987) 接口进行创建\n\nIndex\n\nCore Methods\n\n * GetDuration\n * GetID\n * GetFilePath\n * SetStartPosition\n * GetStartPosition\n * SetLoopCount\n * GetLoopCount\n\nCore Methods\n\nGetDuration\n\n * static int64_t GetDuration(const std::string& file_path)\n * 获取指定音效文件的时长，单位：ms\n\n> 该接口为同步方法，对于在线音频文件，获取时长会存在一定的耗时，需注意调用接口所在的线程\n\nParameters\n\n * file_path: string \n\n音效文件路径\n\nReturns 音效文件的时长，单位：ms\n\nGetID\n\n * virtual int GetID() = 0\n * 获取音效文件的唯一标识符\n\nReturns 音效文件的唯一标识符\n\nGetFilePath\n\n * virtual const std::string& GetFilePath() = 0\n * 获取音效文件的路径\n\nReturns 音效文件路径\n\nSetStartPosition\n\n * virtual void SetStartPosition(int64_t start_pos) = 0\n * 设置音效混音的初始位置\n\nParameters\n\n * start_pos: int \n\n混音位置，单位：ms\n\nGetStartPosition\n\n * virtual int64_t GetStartPosition() = 0\n * 获取音效混音的初始位置\n\nReturns 音效混音初始位置，单位：ms\n\nSetLoopCount\n\n * virtual void SetLoopCount(int loop_count) = 0\n * 设置音效混音的循环次数\n\nParameters\n\n * loopCount: int \n\n循环次数，-1 为无限循环，0 则不做混音，其他则为指定次数的混音\n\nGetLoopCount\n\n * virtual int GetLoopCount() = 0\n * 获取音效混音的循环次数\n\nReturns 循环次数\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNAudioEffectMixer" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNAudioEffectMixer\n\n# QNAudioEffectMixer\n\n最近更新时间: 2022-06-20 14:40:28\n\n音效混音控制类，提供了控制音效混音的一系列方法。\n\n> 1\\. 当前仅支持基于\n> [QNMicrophoneAudioTrack](https://developer.qiniu.com/rtc/11987/QNAudioEffectMixer-\n> Linux/11210/QNMicrophoneAudioTrack) 的音效混音操作\n>\n> 2\\. 混音需要加入房间并且成功发布后才会生效，因此，需要注意调用的时机\n\nIndex\n\nCore Methods\n\n * CreateAudioEffect\n * DestroyAudioEffect\n * Start\n * Stop\n * Pause\n * Resume\n * StopAll\n * PauseAll\n * ResumeAll\n * GetCurrentPosition\n * SetVolume\n * GetVolume\n * SetAllEffectsVolume\n\nCore Methods\n\nCreateAudioEffect\n\n * virtual [QNAudioEffect](https://developer.qiniu.com/rtc/11987/QNAudioEffectMixer-Linux/11986/QNAudioEffect)* CreateAudioEffect(int effect_id, const std::string& file_path) = 0\n * 创建音效混音配置类实例，每一路参与混音的音效都需要对应一个 [QNAudioEffect](https://developer.qiniu.com/rtc/11987/QNAudioEffectMixer-Linux/11986/QNAudioEffect) 实例\n\n> 支持本地和在线文件，支持的文件格式为：aac、mp3、mp4、ogg、opus、wav、m4a、flac\n\nParameters\n\n * effect_id: int \n\n音效文件的唯一标识符，需自行生成并维护，且确保唯一\n\n * file_path: string \n\n音效文件地址，支持本地文件和在线文件\n\nReturns 音效混音实例指针\n\nDestroyAudioEffect\n\n * virtual void DestroyAudioEffect([QNAudioEffect](https://developer.qiniu.com/rtc/11987/QNAudioEffectMixer-Linux/11986/QNAudioEffect)* ptr) = 0\n * 销毁 [QNAudioEffect](https://developer.qiniu.com/rtc/11987/QNAudioEffectMixer-Linux/11986/QNAudioEffect)* 实例指针\n\nParameters\n\n * ptr: [QNAudioEffect](https://developer.qiniu.com/rtc/11987/QNAudioEffectMixer-Linux/11986/QNAudioEffect)* \n\n音效混音实例指针\n\nStart\n\n * virtual bool Start(int effect_id) = 0\n * 开始音效混音\n\n混音的次数可以通过\n[QNAudioEffect.SetLoopCount](https://developer.qiniu.com/rtc/11987/QNAudioEffectMixer-\nLinux/11986) 接口配置\n\n混音结束时会触发\n[QNAudioEffectMixerListener.OnAudioEffectFinished](https://developer.qiniu.com/rtc/11987/QNAudioEffectMixer-\nLinux/11988) 回调\n\n混音出错会触发\n[QNAudioEffectMixerListener.OnAudioEffectMixerError](https://developer.qiniu.com/rtc/11987/QNAudioEffectMixer-\nLinux/11988) 回调\n\nParameters\n\n * effect_id: int \n\n音效文件的唯一标识符\n\nReturns 接口是否调用成功\n\nStop\n\n * virtual bool Stop(int effect_id) = 0\n * 停止音效混音\n\nParameters\n\n * effect_id: int \n\n音效文件的唯一标识符\n\nReturns 接口是否调用成功\n\nPause\n\n * virtual bool Pause(int effect_id) = 0\n * 暂停音效混音\n\nParameters\n\n * effect_id: int \n\n音效文件的唯一标识符\n\nReturns 接口是否调用成功\n\nResume\n\n * virtual bool Resume(int effect_id) = 0\n * 恢复音效混音\n\nParameters\n\n * effect_id: int \n\n音效文件的唯一标识符\n\nReturns 接口是否调用成功\n\nStopAll\n\n * virtual bool StopAll() = 0\n * 停止所有正在混音的音效\n\nReturns 接口是否调用成功\n\nPauseAll\n\n * virtual bool PauseAll() = 0\n * 暂停所有正在混音的音效\n\nReturns 接口是否调用成功\n\nResumeAll\n\n * virtual bool ResumeAll() = 0\n * 恢复所有暂停混音的音效\n\nReturns 接口是否调用成功\n\nGetCurrentPosition\n\n * virtual int64_t GetCurrentPosition(int effect_id) = 0\n * 获取指定音效混音的位置，单位: ms\n\nParameters\n\n * effect_id: int \n\n音效文件的唯一标识符\n\nReturns 指定音效混音的位置，单位: ms\n\nSetVolume\n\n * virtual void SetVolume(int effect_id, float volume) = 0\n * 设置指定音效的混音音量，默认音量为 1.0f\n\n> 若想修改混音中麦克风采集音频的音量，可通过\n> [QNMicrophoneAudioTrack.SetVolume](https://developer.qiniu.com/rtc/11987/QNAudioEffectMixer-\n> Linux/11210) 接口实现\n\nParameters\n\n * effect_id: int \n\n音效文件的唯一标识符\n\n * volume: float \n\n音效的混音音量，[0.0f - 1.0f]\n\nGetVolume\n\n * virtual float GetVolume(int effect_id) = 0\n * 获取指定音效的混音音量\n\nParameters\n\n * effect_id: int \n\n音效文件的唯一标识符\n\nReturns 指定音效的混音音量，[0.0f - 1.0f]\n\nSetAllEffectsVolume\n\n * virtual void SetAllEffectsVolume(float volume) = 0\n * 设置所有正在混音的音效的混音音量\n\nParameters\n\n * volume: float \n\n音效的混音音量，[0.0f - 1.0f]\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNAudioEffectMixerListener" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNAudioEffectMixerListener\n\n# QNAudioEffectMixerListener\n\n最近更新时间: 2022-06-20 14:43:50\n\n音效混音控制器的回调监听函数，可以通过\n[QNMicrophoneAudioTrack::CreateAudioEffectMixer](https://developer.qiniu.com/rtc/11988/QNAudioEffectMixerListener-\nLinux/11210) 创建\n[QNAudioEffectMixer](https://developer.qiniu.com/rtc/11988/QNAudioEffectMixerListener-\nLinux/11987/QNAudioEffectMixer) 时传入。\n\nIndex\n\nCore Methods\n\n * OnAudioEffectFinished\n * OnAudioEffectMixerError\n\nCore Methods\n\nOnAudioEffectFinished\n\n * virtual void OnAudioEffectFinished(int effect_id) = 0\n * 音效混音完成时触发此回调\n\nParameters\n\n * effect_id: int \n\n音效文件的唯一标识符\n\nOnAudioEffectMixerError\n\n * virtual void OnAudioEffectMixerError(int error_code,const std::string& error_message) = 0\n * 音效混音发生错误时会触发此回调\n\ncode | describe | message \n---|---|--- \nErr_Audio_Mixing_Audio_Not_Found | 混音源没有找到有效音轨 | 请检查混音文件的合法性 \nErr_Audio_Mixing_Decoder_Exception | 系统不支持混音源中的音频类型 | 支持的音频文件格式为：aac、mp3、mp4、ogg、opus、wav、m4a、flac \nErr_Audio_Mixing_Seek_Failed | seek 失败 | 请检查是否在开始混音前执行了 Seek 操作 \nErr_Audio_Mixing_Resample_Failed | 重采样模块创建失败 | 请重新尝试混音操作 \nErr_Audio_Mixing_IO_Exception | 混音源文件 IO 错误 | 请检查混音源文件是否存在异常 \n \nParameters\n\n * error_code: int \n\n混音异常时对应的错误码\n\n * error_message: string \n\n混音异常时对应的错误信息\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNAudioMusicMixer" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNAudioMusicMixer\n\n# QNAudioMusicMixer\n\n最近更新时间: 2022-06-20 14:44:58\n\n背景音乐混音控制类，提供了控制背景音乐混音一系列方法。\n\n> 1\\. 当前仅支持基于\n> [QNMicrophoneAudioTrack](https://developer.qiniu.com/rtc/11989/QNAudioMusicMixer-\n> Linux/11210/QNMicrophoneAudioTrack) 的背景音乐混音操作\n>\n> 2\\. 混音需要加入房间并且成功发布后才会生效，因此，需要注意调用的时机\n>\n> 3\\. 背景音乐混音仅支持同时混合一路背景音乐，若需要切换背景音乐，重新调用\n> [QNMicrophoneAudioTrack.CreateAudioMusicMixer](https://developer.qiniu.com/rtc/11989/QNAudioMusicMixer-\n> Linux/11210) 创建本类的实例即可\n>\n> 4\\.\n> 若您希望在混合背景音乐的同时添加音效，可参考音效混音接口([QNAudioEffectMixer](https://developer.qiniu.com/rtc/11989/QNAudioMusicMixer-\n> Linux/11987/QNAudioEffectMixer))\n\nIndex\n\nCore Methods\n\n * GetDuration\n * Start[1/2]\n * Start[2/2]\n * Stop\n * Resume\n * Pause\n * GetCurrentPosition\n * SeekTo\n * SetMixingVolume\n * GetMixingVolume\n * SetStartPosition\n * GetStartPosition\n\nCore Methods\n\nGetDuration\n\n * static int64_t GetDuration(const std::string& file_path)\n * 获取指定音频文件的总时长，单位：ms\n\n> 该接口为同步方法，对于在线音频文件，获取时长会存在一定的耗时，需注意调用接口所在的线程\n\nReturns 音频文件总时长，单位：ms\n\nStart[1/2]\n\n * virtual bool Start() = 0\n * 开始混音并播放，音频只混一次，不做循环混音操作\n\n混音开始后会触发\n[QNAudioMusicMixerListener.OnAudioMusicMixerStateChanged](https://developer.qiniu.com/rtc/11989/QNAudioMusicMixer-\nLinux/11988) 回调，并回调\n[QNMusicMixerState.kStateMixing](https://developer.qiniu.com/rtc/11989/QNAudioMusicMixer-\nLinux/11991) 状态\n\n混音过程中会回调\n[QNAudioMusicMixerListener.OnAudioMusicMixing](https://developer.qiniu.com/rtc/11989/QNAudioMusicMixer-\nLinux/11988) 方法\n\nStart[2/2]\n\n * virtual bool Start(int loop_count) = 0\n * 开始指定次数的混音并播放\n\n混音开始后会触发\n[QNAudioMusicMixerListener.OnAudioMusicMixerStateChanged](https://developer.qiniu.com/rtc/11989/QNAudioMusicMixer-\nLinux/11988) 回调，并回调\n[QNMusicMixerState.kStateMixing](https://developer.qiniu.com/rtc/11989/QNAudioMusicMixer-\nLinux/11991) 状态\n\n混音过程中会回调\n[QNAudioMusicMixerListener.OnAudioMusicMixing](https://developer.qiniu.com/rtc/11989/QNAudioMusicMixer-\nLinux/11988) 方法\n\nParameters\n\n * loop_count: int \n\n混音次数，-1 为无限循环，0 则不做混音，其他则为指定次数的混音\n\nStop\n\n * virtual bool Stop() = 0\n * 停止混音操作\n\n混音停止后会触发\n[QNAudioMusicMixerListener.OnAudioMusicMixerStateChanged](https://developer.qiniu.com/rtc/11989/QNAudioMusicMixer-\nLinux/11988) 回调，并回调\n[QNMusicMixerState.kStateStopped](https://developer.qiniu.com/rtc/11989/QNAudioMusicMixer-\nLinux/11991) 状态\n\nResume\n\n * virtual bool Resume() = 0\n * 恢复混音操作\n\n混音恢复后会触发\n[QNAudioMusicMixerListener.OnAudioMusicMixerStateChanged](https://developer.qiniu.com/rtc/11989/QNAudioMusicMixer-\nLinux/11988) 回调，并回调\n[QNMusicMixerState.kStateMixing](https://developer.qiniu.com/rtc/11989/QNAudioMusicMixer-\nLinux/11991) 状态\n\nPause\n\n * virtual bool Pause() = 0\n * 暂停混音操作\n\n混音暂停后会触发\n[QNAudioMusicMixerListener.OnAudioMusicMixerStateChanged](https://developer.qiniu.com/rtc/11989/QNAudioMusicMixer-\nLinux/11988) 回调，并回调\n[QNMusicMixerState.kStatePaused](https://developer.qiniu.com/rtc/11989/QNAudioMusicMixer-\nLinux/11991) 状态\n\nGetCurrentPosition\n\n * virtual int64_t GetCurrentPosition() = 0\n * 获取当前音频混音的位置，单位: ms\n\nReturns 当前音频混音的位置，单位: ms\n\nSeekTo\n\n * virtual bool SeekTo(int64_t seek_pos) = 0\n * 跳到指定位置混音\n\n成功跳到指定位置混音后会触发\n[QNAudioMusicMixerListener.OnAudioMusicMixerStateChanged](https://developer.qiniu.com/rtc/11989/QNAudioMusicMixer-\nLinux/11988) 回调，并回调\n[QNMusicMixerState.kStateMixing](https://developer.qiniu.com/rtc/11989/QNAudioMusicMixer-\nLinux/11991) 状态\n\nParameters\n\n * seek_pos: int64_t \n\n指定位置的时间戳，单位: ms\n\nSetMixingVolume\n\n * virtual void SetMixingVolume(float mix_volume) = 0\n * 设置背景音乐的混音音量，默认音量为 1.0f\n\n> 若想修改混音中麦克风采集音频的音量，可通过\n> [QNMicrophoneAudioTrack.SetVolume](https://developer.qiniu.com/rtc/11989/QNAudioMusicMixer-\n> Linux/11210) 接口实现\n\nParameters\n\n * mix_volume: float \n\n背景音乐混音音量，[0.0f - 1.0f]\n\nGetMixingVolume\n\n * virtual float GetMixingVolume() = 0\n * 获取背景音乐混音的音量\n\nReturns 背景音乐混音的音量，[0.0f - 1.0f]\n\nSetStartPosition\n\n * virtual void SetStartPosition(int64_t start_pos) = 0\n * 设置背景音乐混音的起始位置，起始位置的有效值为 0 - duration 之间的值\n\nParameters\n\n * start_pos: int64_t \n\n背景音乐混音的起始位置，单位：ms\n\nGetStartPosition\n\n * virtual int64_t GetStartPosition() = 0\n * 获取背景音乐混音的起始位置\n\nReturns 背景音乐混音的起始位置，单位：ms\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNAudioMusicMixerListener" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNAudioMusicMixerListener\n\n# QNAudioMusicMixerListener\n\n最近更新时间: 2022-06-20 14:46:43\n\n混音过程中的回调监听函数，可以通过\n[QNMicrophoneAudioTrack.CreateAudioMusicMixer](https://developer.qiniu.com/rtc/11990/QNAudioMusicMixerListener-\nLinux/11210) 创建\n[QNAudioMusicMixer](https://developer.qiniu.com/rtc/11990/QNAudioMusicMixerListener-\nLinux/11987/QNAudioMusicMixer) 时传入\n\nIndex\n\nCore Methods\n\n * OnAudioMusicMixerStateChanged\n * OnAudioMusicMixing\n * OnAudioMusicMixerError\n\nCore Methods\n\nOnAudioMusicMixerStateChanged\n\n * virtual void OnAudioMusicMixerStateChanged(QNMusicMixerState music_state) = 0\n * 混音状态改变时触发此回调\n\n>\n> [QNAudioMusicMixer.SeekTo](https://developer.qiniu.com/rtc/11990/QNAudioMusicMixerListener-\n> Linux/11987) 操作成功后会触发\n> [QNMusicMixerState.kStateMixing](https://developer.qiniu.com/rtc/11990/QNAudioMusicMixerListener-\n> Linux/11991) 状态的回调\n\nParameters\n\n * music_state: [QNMusicMixerState](https://developer.qiniu.com/rtc/11990/QNAudioMusicMixerListener-Linux/11991/QNMusicMixerState)\n\n当前的混音状态\n\nOnAudioMusicMixing\n\n * virtual void OnAudioMusicMixing(int64_t current_pos) = 0\n * 混音操作进行过程中会不断触发此回调\n\nParameters\n\n * current_pos: int64_t \n\n当前正在执行混音操作的音频帧时间戳，单位: ms\n\nOnAudioMusicMixerError\n\n * virtual void OnAudioMusicMixerError(int error_code, const std::string& error_message) = 0\n * 混音操作发生错误时会触发此回调\n\ncode | describe | message \n---|---|--- \nErr_Audio_Mixing_Audio_Not_Found | 混音源没有找到有效音轨 | 请检查混音文件的合法性 \nErr_Audio_Mixing_Decoder_Exception | 系统不支持混音源中的音频类型 | 支持的音频文件格式为：aac、mp3、mp4、ogg、opus、wav、m4a、flac \nErr_Audio_Mixing_Seek_Failed | seek 失败 | 请检查是否在开始混音前执行了 Seek 操作 \nErr_Audio_Mixing_Resample_Failed | 重采样模块创建失败 | 请重新尝试混音操作 \nErr_Audio_Mixing_IO_Exception | 混音源文件 IO 错误 | 请检查混音源文件是否存在异常 \n \nParameters\n\n * error_code: int \n\n混音异常时对应的错误码\n\n * error_message: string \n\n混音异常时对应的错误信息\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNMusicMixerState" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNMusicMixerState\n\n# QNMusicMixerState\n\n最近更新时间: 2022-06-20 14:49:01\n\n背景音乐混音相关的回调状态，通过\n[QNAudioMusicMixerListener.OnAudioMusicMixerStateChanged](https://developer.qiniu.com/rtc/11991/QNMusicMixerState-\nLinux/11990) 接口回调\n\nIndex\n\nProperties\n\n * kStateIdle\n * kStateMixing\n * kStatePaused\n * kStateStopped\n * kStateCompleted\n\nProperties\n\nkStateIdle\n\n * kStateIdle: QNMusicMixerState\n * 混音控制器的初始状态\n\nkStateMixing\n\n * kStateMixing: QNMusicMixerState\n * 混音操作进行中的状态\n\n当成功执行\n[QNAudioMusicMixer.Start](https://developer.qiniu.com/rtc/11991/QNMusicMixerState-\nLinux/11989)、[QNAudioMusicMixer.Resume](https://developer.qiniu.com/rtc/11991/QNMusicMixerState-\nLinux/11989) 或者\n[QNAudioMusicMixer.SeekTo](https://developer.qiniu.com/rtc/11991/QNMusicMixerState-\nLinux/11989) 后，会回调此状态\n\nkStatePaused\n\n * kStatePaused: QNMusicMixerState\n * 混音操作暂停时的状态\n\n当成功执行\n[QNAudioMusicMixer.Pause](https://developer.qiniu.com/rtc/11991/QNMusicMixerState-\nLinux/11989) 后，会回调此状态\n\nkStateStopped\n\n * kStateStopped: QNMusicMixerState\n * 混音操作停止时的状态\n\n当成功执行\n[QNAudioMusicMixer.Stop](https://developer.qiniu.com/rtc/11991/QNMusicMixerState-\nLinux/11989) 后，会回调此状态\n\nkStateCompleted\n\n * kStateCompleted: QNMusicMixerState\n * 混音操作完成时的状态\n\n> 当且仅当指定循环次数混音完成后，会回调此状态\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频API 概览" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >API 概览\n\n# API 概览\n\n最近更新时间: 2022-03-29 00:26:19\n\nQNRTC 是七牛云推出的一款跨平台平台的实时音视频 C++ SDK，提供了灵活的接口，支持高度定制以及二次开发。\n\n> 本文档适用于 QNRTC 5.x+ 版本的 SDK，并不向下兼容。\n\nQNRTC\n\nQNRTC 提供 SDK 的入口方法，可以通过它进行 SDK 的初始化，各个类型 Track 的创建等操作。其核心方法如下：\n\n创建 Track\n\n方法 | 描述 \n---|--- \n[CreateMicrophoneAudioTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11216) | 创建麦克风音频轨道 \n[CreateCameraVideoTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11216) | 创建摄像头视频轨道 \n[CreateCustomAudioTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11216) | 创建自定义导入音频数据轨道 \n[CreateCustomVideoTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11216) | 创建自定义导入视频数据轨道 \n[DestroyLocalTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11216) | 销毁创建的本地轨道 \n \nQNRTCClient\n\nQNRTCClient 提供和房间相关的一些列方法，通过它我们可以实现加入房间，在房间内发布或者订阅相应的音视频轨道等操作。主要的核心方法如下：\n\n核心方法\n\n方法 | 描述 \n---|--- \n[Join](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11288) | 加入房间 \n[Leave](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11288) | 离开房间 \n[Publish](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11288) | 发布本地的音视频轨道 \n[UnPublish](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11288) | 取消发布本地的音视频轨道 \n[Subscribe](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11288) | 订阅远端用户发布的音视频轨道 \n[UnSubscribe](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11288) | 取消订阅远端用户发布的音视频轨道 \n \n转推 CDN\n\n方法 | 描述 \n---|--- \n[StartLiveStreaming](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11288) | 开始单路转推或者合流转推 \n[StopLiveStreaming](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11288) | 停止单路转推或者合流转推 \n[SetTranscodingLiveStreamingTracks](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11288) | 更新合流转推的布局配置 \n[RemoveTranscodingLiveStreamingTracks](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11288) | 移除合流转推的布局配置 \n[SetLiveStreamingListener](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11288) | 设置转推相关事件的监听器 \n \nQNLocalTrack\n\nQNLocalTrack 是本地创建的一个音视或者视频轨道，可以通过 QNRTC\n来创建各种类型的音视频轨道，例如麦克风采集的音频轨道，摄像头采集的视频轨道，或者屏幕采集的视频轨道等等，我们真正用到的是它所衍生的子类。\n\n以 QNLocalTrack 为基类，向下衍生的子类如下：\n\nHierarchy\n\n * [QNLocalTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11208/QNLocalTrack-Linux)\n * [QNLocalVideoTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11209/QNLocalVideoTrack-Linux)\n * [QNCameraVideoTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11198/QNCameraVideoTrack-Linux)\n * [QNCustomVideoTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11205/QNCustomVideoTrack-Linux)\n * [QNLocalAudioTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11207/QNLocalAudioTrack-Linux)\n * [QNMicrophoneAudioTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11210/QNMicrophoneAudioTrack-Linux)\n * [QNCustomAudioTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11203/QNCustomAudioTrack-Linux)\n\n本地音频轨道\n\n * 本地音频轨道 | 描述 \n---|--- \n[QNMicrophoneAudioTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11210/QNMicrophoneAudioTrack-Linux) | 以麦克风采集到的音频数据为数据源创建的音频轨道，提供了音量控制，数据回调等接口，通过 CreateMicrophoneAudioTrack 创建。 \n[QNCustomAudioTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11203/QNCustomAudioTrack-Linux) | 以外部导入的 PCM 音频数据为数据源创建的音频轨道，可以通过 PushAudioFrame 方法往房间内推送数据，通过 CreateCustomAudioTrack 创建。 \n本地视频轨道 | 描述 \n---|--- \n[QNCameraVideoTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11198/QNCameraVideoTrack-Linux) | 以摄像头采集到的视频数据为数据源创建的视频轨道，提供了包括摄像头采集镜像，推送图片流等接口。通过 CreateCameraVideoTrack 创建。 \n[QNCustomVideoTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11205/QNCustomVideoTrack-Linux) | 以外部导入的 kI420 格式的视频数据为数据源创建的音频轨道，可以通过 PushVideoFrame 方法往房间内推送视频数据，通过 CreateCameraVideoTrack 创建。 \n\nQNRemoteTrack\n\nQNRemoteTrack 是远端用户创建的音视频轨道，本地用户可以通过房间中的事件回调获取。其衍生的子类如下：\n\nHierarchy\n\n * [QNRemoteTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11213/QNRemoteTrack-Linux)\n * [QNRemoteVideoTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11215/QNRemoteVideoTrack-Linux)\n * [QNRemoteAudioTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11212/QNRemoteAudioTrack-Linux)\n\n * 远端音视频轨道 | 描述 \n---|--- \n[QNRemoteAudioTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11212/QNRemoteAudioTrack-Linux) | 远端用户发布的音频轨道，当可以通过该类来调节播放的音量大小，并且还提供了回调音频数据等方法。 \n[QNRemoteVideoTrack](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11215/QNRemoteVideoTrack-Linux) | 远端用户发布的视频轨道，当可以通过该类来把远端视频画面渲染到视图中，并且还提供了回调视频数据等方法。 \n\nQNClientEventListener\n\n房间内的事件可以通过该接口类进行监听，通过调用 SetQNClientEventListener，把 QNClientEventListener\n作为参数传入。其提供的主要回调方法如下：\n\n * 方法 | 描述 \n---|--- \n[OnConnectionStateChanged](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11261) | 房间状态改变时会触发此回调方法，自己加入房间成功，state 变为 CONNECTED，当离开房间时，state 变为 DISCONNECTED。详情可参看 [QNConnectionState](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11266/QNConnectionState-Linux) \n[OnUserJoined](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11261) | 当远端用户加入房间时会触发此事件。 \n[OnUserPublished](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11261) | 当远端用户发布音视频轨道时会触发此事件。 \n[OnUserUnpublished](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11261) | 当远端用户取消发布音视频轨道时会触发此事件。 \n[OnUserLeft](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11261) | 当远端用户离开房间时会触发此事件。 \n[OnUserReconnecting](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11261) | 当远端用户正在重连时会触发此事件。 \n[OnUserReconnected](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11261) | 当远端用户重连成功时会触发此事件。 \n[OnSubscribed](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11261) | 当订阅远端用户的音视频轨道成功之后，会触发此事件。 \n[OnMessageReceived](https://developer.qiniu.com/rtc/11254/APIOverview-Linux/11261) | 当远端用户收到消息时会触发此事件。 \n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNRTC" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNRTC\n\n# QNRTC\n\n最近更新时间: 2022-03-28 17:42:36\n\nQNRTC 作为 SDK 的入口，提供创建本地音视频轨道，创建\n[QNRTCClient](https://developer.qiniu.com/rtc/11216/QNRTC-\nLinux/11288/QNRTCClient-Linux) 对象等一系列静态方法\n\nIndex\n\nCore Methods\n\n * GetVersion\n * SetLogFile\n * Init\n * DeInint\n * GetCameraCount\n * GetCameraInfo\n * GetAudioRecordingDeviceCount\n * GetAudioRecordingDeviceInfo\n * GetAudioPlaybackDeviceCount\n * GetAudioPlaybackDeviceInfo\n * SetAudioRecordingDevice\n * SetAudioPlaybackDevice\n * CreateClient[1/2]\n * CreateClient[2/2]\n * DestroyRtcClient\n * SetClientEventListener\n * CreateMicrophoneAudioTrack\n * CreateCustomAudioTrack\n * CreateCameraVideoTrack\n * CreateCustomVideoTrack\n * DestroyLocalTrack\n * SetAudioRouteToSpeakerphone\n * SetAudioPlayMute\n * IsAudioPlayMute\n\nCore Methods\n\nGetVersion\n\n * static void GetVersion(std::string& ver)\n * 获取 sdk 版本号\n\nParameters\n\n * ver: string \n\n版本号\n\nSetLogFile\n\n * static void SetLogFile([QNLogLevel](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11275/QNLogLevel-Linux) level, const std::string& dir_name, const std::string& file_name)\n * 设置是否开启本地日志保存功能，并设置保存文件的路径和前缀名，不调用此接口，默认不开启日志记录\n\nParameters\n\n * level: [QNLogLevel](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11275/QNLogLevel-Linux)\n\n日志开启级别\n\n * dir_name: string \n\n日志文件目录名，不存在则自动创建\n\n * file_name: string \n\n日志文件前缀名\n\nInit\n\n * static void Init(QNRTCSetting& setting, QNRTCEventListener* listener)\n * 初始化\n\nParameters\n\n * setting: [QNRTCSetting](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11218/QNRTCSetting-Linux)\n\n日志开启级别\n\n * listener: [QNRTCEventListener](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11217/QNRTCEventListener-Linux)\n\n日志文件目录名，不存在则自动创建\n\nDeInint\n\n * static void DeInint()\n * 反初始化\n\nGetCameraCount\n\n * static int32_t GetCameraCount()\n * 获取摄像头数量， 此方法仅适用于 Windows 和 Linux 平台\n\nReturns 设备数量\n\nGetCameraInfo\n\n * static const [QNCameraInfo](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11260/QNCameraInfo-Linux)& GetCameraInfo(int32_t index)\n * 获取指定序号的摄像头设备信息，首先通过 GetCameraCount 获取摄像头数量，此方法仅适用于 Windows 和 Linux 平台\n\nParameters\n\n * index: int32_t \n\n设备序号，<= GetCameraCount()\n\nReturns 指定index 的摄像头设备信息\n\nGetAudioRecordingDeviceCount\n\n * static int32_t GetAudioRecordingDeviceCount()\n * 获取音频采集设备数量，此方法仅适用于 Windows 和 Linux 平台\n\nReturns 音频采集设备的数量\n\nGetAudioRecordingDeviceInfo\n\n * static [QNAudioDeviceInfo](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/undefined)& GetAudioRecordingDeviceInfo(int32_t index)\n * 获取指定 index 音频采集设备信息，此方法仅适用于 Windows 和 Linux 平台\n\nParameters\n\n * index: int32_t \n\n采集设备序号，<= GetAudioRecordingDeviceCount()\n\nReturns 指定 index 的音频采集设备信息\n\nGetAudioPlaybackDeviceCount\n\n * static int32_t GetAudioPlaybackDeviceCount()\n * 获取音频播放设备数量，此方法仅适用于 Windows 和 Linux 平台\n\nReturns 音频播放设备的数量\n\nGetAudioPlaybackDeviceInfo\n\n * static [QNAudioDeviceInfo](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/undefined)& GetAudioPlaybackDeviceInfo(int32_t index)\n * 获取指定 index 音频播放设备信息，此方法仅适用于 Windows 和 Linux 平台\n\nParameters\n\n * index: int32_t \n\n采集设备序号，<= GetAudioRecordingDeviceCount()\n\nReturns 指定 index 的音频播放设备信息\n\nSetAudioRecordingDevice\n\n * static int32_t SetAudioRecordingDevice(int32_t index)\n * 设置连麦使用的音频采集设备，不调用则使用系统默认采集设备，连麦过程中设置无效，需在发布音频 Track 前调用，此方法仅适用于 Windows 和 Linux 平台\n\nParameters\n\n * index: int32_t \n\n采集设备序号，<= GetAudioRecordingDeviceCount()\n\nReturns 成功返回 0，其它请参考错误码列表\n\nSetAudioPlaybackDevice\n\n * static int32_t SetAudioPlaybackDevice(int32_t index)\n * 设置连麦使用的音频播放设备，不调用则使用系统默认采集设备，连麦过程中设置无效，需在发布音频 Track 前调用，此方法仅适用于 Windows 和 Linux 平台\n\nParameters\n\n * index: int32_t \n\n采集设备序号，<= GetAudioPlaybackDeviceCount()\n\nReturns 成功返回 0，其它请参考错误码列表\n\nCreateClient[1/2]\n\n * static [QNRTCClient](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11288/QNRTCClient-Linux)* CreateClient([QNClientEventListener](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11261/QNClientEventListener-Linux)* listener)\n * 创建一个连接对象，QNRTCClient 全局只可存在一个\n\nParameters\n\n * listener: [QNClientEventListener](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11261/QNClientEventListener-Linux)\n\n连接中的事件监听\n\nReturns 连接管理对象指针\n\nCreateClient[2/2]\n\n * static [QNRTCClient](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11288/QNRTCClient-Linux)* CreateClient([QNRTCClientConfig](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/undefined)& config, [QNClientEventListener](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11261/QNClientEventListener-Linux)* listener)\n * 使用 [QNRTCClientConfig](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/undefined) 设创建一个连接对象并为其设置事件监听，QNRTCClient 全局只可存在一个\n\nParameters\n\n * config: [QNRTCClientConfig](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/undefined)\n\n连接管理对象初始化配置\n\n * listener: [QNClientEventListener](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11261/QNClientEventListener-Linux)\n\n连接中的事件监听\n\nReturns 连接管理对象指针\n\nDestroyRtcClient\n\n * static void DestroyRtcClient([QNRTCClient](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11288/QNRTCClient-Linux)* ptr)\n * 释放由 CreateClient 创建的连接管理对象\n\nParameters\n\n * ptr: [QNRTCClient](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11288/QNRTCClient-Linux)\n\n[QNRTCClient](https://developer.qiniu.com/rtc/11216/QNRTC-\nLinux/11288/QNRTCClient-Linux) 对象指针\n\nSetClientEventListener\n\n * static void SetClientEventListener([QNClientEventListener](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11261/QNClientEventListener-Linux)* listener)\n * 设置连接中的事件监听\n\nParameters\n\n * listener: [QNClientEventListener](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11261/QNClientEventListener-Linux)\n\n[QNClientEventListener](https://developer.qiniu.com/rtc/11216/QNRTC-\nLinux/11261/QNClientEventListener-Linux) 对象指针\n\nCreateMicrophoneAudioTrack\n\n * static [QNMicrophoneAudioTrack](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11210/QNMicrophoneAudioTrack-Linux)* CreateMicrophoneAudioTrack([QNMicrophoneAudioTrackConfig](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11211/QNMicrophoneAudioTrackConfig-Linux)& config)\n * 通过指定一个 [QNMicrophoneAudioTrackConfig](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11211/QNMicrophoneAudioTrackConfig-Linux) 来创建一个麦克风音频轨道对象\n\n> 本地音频 Track 只可存在一个，重复创建会返回 null\n\nParameters\n\n * config: [QNMicrophoneAudioTrackConfig](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11211/QNMicrophoneAudioTrackConfig-Linux)\n\n采集音频的配置\n\nReturns [QNMicrophoneAudioTrack](https://developer.qiniu.com/rtc/11216/QNRTC-\nLinux/11210/QNMicrophoneAudioTrack-Linux) 对象指针\n\nCreateCustomAudioTrack\n\n * static [QNCustomAudioTrack](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11203/QNCustomAudioTrack-Linux)* CreateCustomAudioTrack([QNCustomAudioTrackConfig](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11204/QNCustomAudioTrackConfig-Linux)& config)\n * 通过指定一个 [QNCustomAudioTrackConfig](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11204/QNCustomAudioTrackConfig-Linux) 来创建一个自定义音频轨道对象\n\n> 本地音频 Track 只可存在一个，重复创建会返回 null\n\nParameters\n\n * config: [QNCustomAudioTrackConfig](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11204/QNCustomAudioTrackConfig-Linux)\n\n自定义采集音频的配置\n\nReturns [QNCustomAudioTrack](https://developer.qiniu.com/rtc/11216/QNRTC-\nLinux/11203/QNCustomAudioTrack-Linux) 对象指针\n\nCreateCameraVideoTrack\n\n * static [QNCameraVideoTrack](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11198/QNCameraVideoTrack-Linux)* CreateCameraVideoTrack([QNCameraVideoTrackConfig](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11201/QNCameraVideoTrackConfig-Linux)& config)\n * 通过指定一个 [QNCameraVideoTrackConfig](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11201/QNCameraVideoTrackConfig-Linux) 来创建一个摄像头视频轨道对象\n\nParameters\n\n * config: [QNCameraVideoTrackConfig](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11201/QNCameraVideoTrackConfig-Linux)\n\n摄像头 Track 的配置，可设置视频的采集配置与开关大小流功能等\n\nReturns [QNCameraVideoTrack](https://developer.qiniu.com/rtc/11216/QNRTC-\nLinux/11198/QNCameraVideoTrack-Linux) 对象指针\n\nCreateCustomVideoTrack\n\n * static [QNCustomVideoTrack](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11205/QNCustomVideoTrack-Linux)* CreateCustomVideoTrack([QNCustomVideoTrackConfig](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11206/QNCustomVideoTrackConfig-Linux)& config)\n * 通过指定一个 [QNCustomVideoTrackConfig](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11206/QNCustomVideoTrackConfig-Linux) 来创建一个自定义视频采集轨道对象\n\n> 自定义视频采集轨道可以创建多个，而其他采集轨道只能创建一个\n\nParameters\n\n * config: [QNCustomVideoTrackConfig](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11206/QNCustomVideoTrackConfig-Linux)\n\n自定义视频采集 Track 的配置，可设置视频的编码配置\n\nReturns [QNCustomVideoTrack](https://developer.qiniu.com/rtc/11216/QNRTC-\nLinux/11205/QNCustomVideoTrack-Linux) 对象指针\n\nDestroyLocalTrack\n\n * static void DestroyLocalTrack([QNLocalTrack](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11208/QNLocalTrack-Linux)* ptr)\n * 释放前面创建的音视频轨道实例\n\nParameters\n\n * ptr: [QNLocalTrack](https://developer.qiniu.com/rtc/11216/QNRTC-Linux/11208/QNLocalTrack-Linux)\n\n音视频轨道实例\n\nSetAudioRouteToSpeakerphone\n\n * static void SetAudioRouteToSpeakerphone(bool audio_route_to_speakerphone)\n * 设置是否将音频路由切换到扬声器，设置为 false 后将会切换到之前的音频路由。\n\n设置生效后会触发\n[QNRTCEventListener.OnAudioRouteChanged](https://developer.qiniu.com/rtc/11216/QNRTC-\nLinux/11217) 回调对应的路由状态，该方法仅仅适用于 Android 和 iOS 平台\n\nParameters\n\n * audio_route_to_speakerphone: bool \n\n是否将音频路由切换到扬声器\n\nSetAudioPlayMute\n\n * static void SetAudioPlayMute(bool muted)\n * 设置音频播放静音，该方法仅仅适用于 Android 和 iOS 平台\n\nParameters\n\n * muted: bool \n\n是否将音频播放设置为静音\n\nIsAudioPlayMute\n\n * static bool IsAudioPlayMute()\n * 当前音频播放是否为静音，该方法仅仅适用于 Android 和 iOS 平台\n\nReturns 音频静音状态，true 为静音，false 不为静音\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNRTCSetting" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNRTCSetting\n\n# QNRTCSetting\n\n最近更新时间: 2022-03-28 17:43:31\n\nSDK 的核心参数配置结构体\n\nIndex\n\nProperties\n\n * is_aec3_enabled\n * is_maintain_resolution_enabled\n * is_audio_redundant_enabled\n * is_video_error_correction_enabled\n * is_encoder_quality_mode_enabled\n * is_audio_route_to_speakerphone\n * log_level\n * encoder_type\n\nProperties\n\nis_aec3_enabled\n\n * is_aec3_enabled: bool\n * 是否开启软件回音消除，默认开启\n\nis_maintain_resolution_enabled\n\n * is_maintain_resolution_enabled: bool\n * 是否固定编码分辨率，默认不固定\n\nis_audio_redundant_enabled\n\n * is_audio_redundant_enabled: bool\n * 是否开启音频冗余包发送，开启后能抗抗一定的丢包，默认开启\n\nis_video_error_correction_enabled\n\n * is_video_error_correction_enabled: bool\n * 是否开启视频冗余包发送，开启后能抗一定的丢包，默认开启\n\nis_encoder_quality_mode_enabled\n\n * is_encoder_quality_mode_enabled: bool\n * 是否开启软编质量优先模式，默认关闭，该参数仅适用于 Android\n\n质量优先模式会优先保证视频的编码质量，实际码率可能会和目标码率存在差异。关闭该模式后会尽量控制编码码率为目标码率\n\nis_audio_route_to_speakerphone\n\n * is_audio_route_to_speakerphone: bool\n * 设置是否配置扬声器为默认音频路由，默认开启，若传入 false，则默认音频路由为听筒，该参数仅适用于 Android 和 iOS\n\nlog_level\n\n * log_level: [QNLogLevel](https://developer.qiniu.com/rtc/11218/QNRTCSetting-Linux/11275/QNLogLevel-Linux)\n * 设置日志级别，默认为 kLogInfo 级别\n\nencoder_type\n\n * encoder_type: [QNVideoEncoderType](https://developer.qiniu.com/rtc/11218/QNRTCSetting-Linux/11299/QNVideoEncoderType-Linux)\n * 设置编码类型，Linux 当前仅支持 kEncodeOpenH264 软件编码\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNRTCClient" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNRTCClient\n\n# QNRTCClient\n\n最近更新时间: 2022-03-28 17:57:26\n\nRTC 核心类，包含加入房间，离开房间，订阅、发布 Track，获取统计信息等功能\n\nIndex\n\nCore Methods\n\n * SetClientRole\n * SetAutoSubscribe\n * Join\n * Leave\n * GetConnectionState\n * Publish\n * UnPublish\n * Subscribe\n * UnSubscribe\n * SendCustomMessage\n * SetLiveStreamingListener\n * StartLiveStreaming[1/2]\n * StartLiveStreaming[2/2]\n * StopLiveStreaming[1/2]\n * StopLiveStreaming[2/2]\n * SetTranscodingLiveStreamingTracks\n * RemoveTranscodingLiveStreamingTracks\n * SetRemoteAudioMixedFrameListener\n * GetPublishedTracks\n * GetRemoteUsers[1/2]\n * GetRemoteUsers[2/2]\n * GetRemoteVideoTrackStats\n * GetRemoteAudioTrackStats\n * GetLocalVideoTrackStats\n * GetLocalAudioTrackStats\n\nCore Methods\n\nSetClientRole\n\n * virtual void SetClientRole([QNClientRole](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11263/QNClientRole-Linux) client_role, [QNClientRoleListener](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11264/QNClientRoleListener-Linux)* listener) = 0\n * 设置直播场景下的用户角色\n\n该方法在加入频道前后均可调用。\n\nParameters\n\n * client_role: [QNClientRole](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11263/QNClientRole-Linux)\n\n目标角色\n\n * listener: [QNClientRoleListener](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11264/QNClientRoleListener-Linux)\n\n设置角色结果回调\n\nSetAutoSubscribe\n\n * virtual void SetAutoSubscribe(bool auto_subscribe) = 0\n * 设置是否启用自动订阅\n\n当开启此选项后，房间内有任意用户新发布 Track 的时候，会自动订阅此路 Track，订阅成功后，会触发\n[QNClientEventListener.OnSubscribed](https://developer.qiniu.com/rtc/11288/QNRTCClient-\nLinux/11261) 回调\n\nParameters\n\n * auto_subscribe: bool \n\n是否自动订阅\n\nJoin\n\n * virtual void Join(const std::string& token, const std::string& user_data = \"\") = 0\n * 加入房间\n\n接口调用成功后，将会触发\n[QNClientEventListener.OnConnectionStateChanged](https://developer.qiniu.com/rtc/11288/QNRTCClient-\nLinux/11261) 回调\n\n> 请确保在\n> [QNConnectionState.kDisconnected](https://developer.qiniu.com/rtc/11288/QNRTCClient-\n> Linux/11266) 状态下调用该接口加入房间，否则接口调用无效\n\nParameters\n\n * token: string \n\n房间 Token\n\n * user_data: string \n\n用户信息\n\nLeave\n\n * virtual void Leave() = 0\n * 离开房间\n\n成功离开房间后，会触发\n[QNClientEventListener.OnConnectionStateChanged](https://developer.qiniu.com/rtc/11288/QNRTCClient-\nLinux/11261) 回调\n\nGetConnectionState\n\n * virtual QNConnectionState GetConnectionState() = 0\n * 获取当前房间连接状态\n\nReturns [QNConnectionState](https://developer.qiniu.com/rtc/11288/QNRTCClient-\nLinux/undefined)\n\nPublish\n\n * virtual void Publish(LocalTrackList& track_list, QNPublishResultCallback* listener) = 0\n * 发布本地媒体流，结果通过 [QNPublishResultCallback](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11283/QNPublishResultCallback-Linux) 接口通知\n\nParameters\n\n * track_list: std::list<[QNLocalTrack](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11208/QNLocalTrack-Linux)*>\n\n要发布的本地 Track 列表\n\n * listener: [QNPublishResultCallback](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11283/QNPublishResultCallback-Linux)\n\n发布结果回调函数\n\nUnPublish\n\n * virtual void UnPublish(LocalTrackList& track_list) = 0\n * 取消发布本地媒体列表\n\nParameters\n\n * track_list: std::list<[QNLocalTrack](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11208/QNLocalTrack-Linux)*>\n\n要取消发布的本地 Track 列表\n\nSubscribe\n\n * virtual void Subscribe(const RemoteTrackList& track_list) = 0\n * 订阅远端 Track 列表，订阅成功后，会触发 [QNClientEventListener.OnSubscribed](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11261) 回调\n\nParameters\n\n * track_list: std::list<shared_ptr<[QNRemoteTrack](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11213/QNRemoteTrack-Linux)>>\n\n要订阅的远端 Track 列表\n\nUnSubscribe\n\n * virtual void UnSubscribe(const RemoteTrackList& track_list) = 0\n * 取消订阅远端 Track 列表\n\nParameters\n\n * track_list: std::list<shared_ptr<[QNRemoteTrack](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11213/QNRemoteTrack-Linux)>>\n\n要取消订阅的远端 Track 列表\n\nSendCustomMessage\n\n * virtual void SendCustomMessage(const std::list<std::string>& users_list, const std::string& message_id, const std::string& message) = 0\n * 发送自定义消息到指定用户群，发送成功后，会触发远端用户的 [QNClientEventListener.OnMessageReceived](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11261) 回调接口\n\nParameters\n\n * users_list: std::list<std::string>\n\n用户 ID 列表\n\n * message_id: string \n\n自定义消息 ID\n\n * message: string \n\n自定义消息内容\n\nSetLiveStreamingListener\n\n * virtual void SetLiveStreamingListener([QNLiveStreamingListener](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11272/QNLiveStreamingListener-Linux)* listener) = 0\n * 设置 CDN 转推监听接口\n\nParameters\n\n * listener: [QNLiveStreamingListener](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11272/QNLiveStreamingListener-Linux)\n\n转推监听接口\n\nStartLiveStreaming[1/2]\n\n * virtual void StartLiveStreaming([QNDirectLiveStreamingConfig](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11268/QNDirectLiveStreamingConfig-Linux)& config) = 0\n * 开始单路 CDN 转推\n\nParameters\n\n * config: [QNDirectLiveStreamingConfig](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11268/QNDirectLiveStreamingConfig-Linux)\n\n单路转推配置\n\nStartLiveStreaming[2/2]\n\n * virtual void StartLiveStreaming([QNTranscodingLiveStreamingConfig](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11294/QNTranscodingLiveStreamingConfig-Linux)& config) = 0;\n * 开始合流转码 CDN 转推\n\nParameters\n\n * config: [QNTranscodingLiveStreamingConfig](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11294/QNTranscodingLiveStreamingConfig-Linux)\n\n合流转推配置\n\nStopLiveStreaming[1/2]\n\n * virtual void StopLiveStreaming([QNDirectLiveStreamingConfig](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11268/QNDirectLiveStreamingConfig-Linux)& config) = 0\n * 停止单路 CDN 转推\n\nParameters\n\n * config: [QNDirectLiveStreamingConfig](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11268/QNDirectLiveStreamingConfig-Linux)\n\n单路 CDN 转推配置\n\nStopLiveStreaming[2/2]\n\n * virtual void StopLiveStreaming([QNTranscodingLiveStreamingConfig](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11294/QNTranscodingLiveStreamingConfig-Linux)& config) = 0\n * 停止合流转码 CDN 转推\n\nParameters\n\n * config: [QNTranscodingLiveStreamingConfig](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11294/QNTranscodingLiveStreamingConfig-Linux)\n\n合流转推配置\n\nSetTranscodingLiveStreamingTracks\n\n * virtual void SetTranscodingLiveStreamingTracks(std::string& stream_id, QNTranscodeingTrackList& transcoding_track_list) = 0\n * 新增、更新合流转推布局配置\n\n> 新增 track 布局以及对已有的 track 的合流布局进行更新均可通过该接口实现，只需修改 transcodingTracks 对应的 track\n> 内容即可。\n\nParameters\n\n * stream_id: string \n\n合流任务 stream id\n\n * transcoding_track_list: std::list<[QNTranscodingLiveStreamingTrack](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11296/QNTranscodingLiveStreamingTrack-Linux)>\n\n待新增、更新的合流转推布局配置\n\nRemoveTranscodingLiveStreamingTracks\n\n * virtual void RemoveTranscodingLiveStreamingTracks(std::string& stream_id, QNTranscodeingTrackList& transcoding_track_list) = 0\n * 移除合流转推布局配置\n\nParameters\n\n * stream_id: string \n\n合流任务 stream id\n\n * transcoding_track_list: std::list<[QNTranscodingLiveStreamingTrack](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11296/QNTranscodingLiveStreamingTrack-Linux)>\n\n待移除合流转推布局配置\n\nSetRemoteAudioMixedFrameListener\n\n * virtual void SetRemoteAudioMixedFrameListener([QNRemoteAudioMixedFrameListener](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11284/QNRemoteAudioMixedFrameListener-Linux)* listener) = 0\n * 设置监听远端所有音频 Track 混合后的音频数据\n\nParameters\n\n * listener: [QNRemoteAudioMixedFrameListener](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11284/QNRemoteAudioMixedFrameListener-Linux)\n\n音频数据监听接口\n\nGetPublishedTracks\n\n * virtual LocalTrackList& GetPublishedTracks() = 0\n * 获取所有已经发布的本地 Track\n\nReturns\nstd::list<[QNLocalTrack](https://developer.qiniu.com/rtc/11288/QNRTCClient-\nLinux/11208/QNLocalTrack-Linux)*>\n\nGetRemoteUsers[1/2]\n\n * virtual [QNRemoteUser](https://developer.qiniu.com/rtc/11288/QNRTCClient-Linux/11214/QNRemoteUser-Linux)& GetRemoteUsers(const std::string& user_id) = 0\n * 获取对应 ID 的远端用户\n\nParameters\n\n * user_id: string \n\n远端用户 ID\n\nReturns [QNRemoteUser](https://developer.qiniu.com/rtc/11288/QNRTCClient-\nLinux/11214/QNRemoteUser-Linux)\n\nGetRemoteUsers[2/2]\n\n * virtual RemoteUserList& GetRemoteUsers() = 0\n * 获取房间内所有的远端用户\n\nReturns\nstd::list<[QNRemoteUser](https://developer.qiniu.com/rtc/11288/QNRTCClient-\nLinux/11214/QNRemoteUser-Linux)>\n\nGetRemoteVideoTrackStats\n\n * virtual QNRemoteVideoTrackStatsMap& GetRemoteVideoTrackStats() = 0\n * 获取已订阅的远端视频轨道统计信息\n\nReturns std::map<std::string,\n[QNRemoteVideoTrackStats](https://developer.qiniu.com/rtc/11288/QNRTCClient-\nLinux/11286/QNRemoteVideoTrackStats-Linux)>\n\nGetRemoteAudioTrackStats\n\n * virtual QNRemoteAudioTrackStatsMap& GetRemoteAudioTrackStats() = 0\n * 获取已订阅的远端音频轨道统计信息\n\nReturns std::map<std::string,\n[QNRemoteAudioTrackStats](https://developer.qiniu.com/rtc/11288/QNRTCClient-\nLinux/11285/QNRemoteAudioTrackStats-Linux)>\n\nGetLocalVideoTrackStats\n\n * virtual QNLocalVideoTracksStatsMap& GetLocalVideoTrackStats() = 0\n * 获取已发布的近端视频轨道统计信息\n\nReturns std::map<std::string,\nstd::list<[QNLocalVideoTrackStats](https://developer.qiniu.com/rtc/11288/QNRTCClient-\nLinux/11274/QNLocalVideoTrackStats-Linux)>>\n\nGetLocalAudioTrackStats\n\n * virtual QNLocalAudioTrackStatsMap& GetLocalAudioTrackStats() = 0\n * 获取已发布的近端音频轨道统计信息\n\nReturns std::map<std::string,\n[QNLocalAudioTrackStats](https://developer.qiniu.com/rtc/11288/QNRTCClient-\nLinux/11273/QNLocalAudioTrackStats-Linux)>\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNRTCClientConfig" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNRTCClientConfig\n\n# QNRTCClientConfig\n\n最近更新时间: 2022-03-28 17:44:52\n\n[QNRTCClient](https://developer.qiniu.com/rtc/11289/QNRTCClientConfig-\nLinux/11288/QNRTCClient-Linux) 创建配置类，在\n[QNRTC](https://developer.qiniu.com/rtc/11289/QNRTCClientConfig-\nLinux/11216/QNRTC-Linux).CreateClient 的时候使用\n\nIndex\n\nProperties\n\n * mode\n * role\n\nProperties\n\nmode\n\n * mode: [QNClientMode](https://developer.qiniu.com/rtc/11289/QNRTCClientConfig-Linux/11262/QNClientMode-Linux)\n * 使用场景\n\nrole\n\n * role: [QNClientRole](https://developer.qiniu.com/rtc/11289/QNRTCClientConfig-Linux/11263/QNClientRole-Linux)\n * 用户角色\n\n角色类型，仅当使用场景为互动直播时才会生效\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNClientMode" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNClientMode\n\n# QNClientMode\n\n最近更新时间: 2022-03-28 17:44:11\n\n使用场景，当前分为通信场景和互动直播场景，在\n[QNRTCClientConfig](https://developer.qiniu.com/rtc/11262/QNClientMode-\nLinux/11289/QNRTCClientConfig-Linux) 中设置，建议根据不同需求选择不同场景，优化使用体验\n\nIndex\n\nProperties\n\n * kRtc\n * kLive\n\nProperties\n\nkRtc\n\n * kRtc: QNClientMode\n * 通信场景，用于常见的一对一通话或群聊，该场景中的用户均可以发布和订阅音视频轨道\n\nkLive\n\n * kLive: QNClientMode\n * 直播场景，有主播和观众两种用户角色，可以通过 [QNRTCClient.SetClientRole](https://developer.qiniu.com/rtc/11262/QNClientMode-Linux/11288) 方法设置用户角色为主播或观众。主播可以发布和订阅音视频轨道，而观众只能订阅音视频轨道，无法发布\n\n> 注意：直播场景中的用户角色默认为观众。如需发布音视频，必须将角色修改为主播\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNLocalAudioTrack" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNLocalAudioTrack\n\n# QNLocalAudioTrack\n\n最近更新时间: 2022-03-28 22:34:51\n\n本地音频 Track 基类\n\nHierarchy\n\n * [QNTrack](https://developer.qiniu.com/rtc/11207/QNLocalAudioTrack-Linux/11222/QNTrack-Linux)\n * [QNLocalTrack](https://developer.qiniu.com/rtc/11207/QNLocalAudioTrack-Linux/11208/QNLocalTrack-Linux)\n * [QNLocalVideoTrack](https://developer.qiniu.com/rtc/11207/QNLocalAudioTrack-Linux/11209/QNLocalVideoTrack-Linux)\n * [QNCameraVideoTrack](https://developer.qiniu.com/rtc/11207/QNLocalAudioTrack-Linux/11198/QNCameraVideoTrack-Linux)\n * [QNCustomVideoTrack](https://developer.qiniu.com/rtc/11207/QNLocalAudioTrack-Linux/11205/QNCustomVideoTrack-Linux)\n * QNLocalAudioTrack \n * [QNMicrophoneAudioTrack](https://developer.qiniu.com/rtc/11207/QNLocalAudioTrack-Linux/11210/QNMicrophoneAudioTrack-Linux)\n * [QNCustomAudioTrack](https://developer.qiniu.com/rtc/11207/QNLocalAudioTrack-Linux/11203/QNCustomAudioTrack-Linux)\n * [QNRemoteTrack](https://developer.qiniu.com/rtc/11207/QNLocalAudioTrack-Linux/11213/QNRemoteTrack-Linux)\n * [QNRemoteVideoTrack](https://developer.qiniu.com/rtc/11207/QNLocalAudioTrack-Linux/11215/QNRemoteVideoTrack-Linux)\n * [QNRemoteAudioTrack](https://developer.qiniu.com/rtc/11207/QNLocalAudioTrack-Linux/11212/QNRemoteAudioTrack-Linux)\n\nIndex\n\nCore Methods\n\n * GetTrackID\n * GetUserID\n * GetTag\n * IsAudio\n * IsVideo\n * IsMuted\n * SetMuted\n * SetAudioFrameListener\n * SetVolume\n * GetVolumeLevel\n\nCore Methods\n\nGetTrackID\n\n * virtual const std::string& GetTrackID() = 0\n * 获取 TrackID\n\nReturns string\n\nGetUserID\n\n * virtual const std::string& GetUserID() = 0\n * 获取 UserID\n\nReturns string\n\nGetTag\n\n * virtual const std::string& GetTag() = 0\n * 获取 Tag\n\nReturns string\n\nIsAudio\n\n * virtual bool IsAudio() = 0\n * 是否为音频 track\n\nReturns bool\n\nIsVideo\n\n * virtual bool IsVideo() = 0\n * 是否为视频 track\n\nReturns bool\n\nIsMuted\n\n * virtual bool IsMuted() = 0\n * 是否 muted\n\nReturns bool\n\nSetMuted\n\n * virtual void SetMuted(bool muted) = 0\n * 设置是否静默该 track，静默后，SDK 将会发送静默帧数据\n\nParameters\n\n * muted: bool \n\n是否静默\n\nSetAudioFrameListener\n\n * virtual void SetAudioFrameListener([QNAudioFrameListener](https://developer.qiniu.com/rtc/11207/QNLocalAudioTrack-Linux/11189/QNAudioFrameListener-Linux)* listener) = 0\n * 设置是音频数据监听\n\nParameters\n\n * listener: [QNAudioFrameListener](https://developer.qiniu.com/rtc/11207/QNLocalAudioTrack-Linux/11189/QNAudioFrameListener-Linux)\n\n音频数据监听接口\n\nSetVolume\n\n * virtual void SetVolume(double volume) = 0\n * 设置采集音频音量（不改变系统设备的音量）\n\nParameters\n\n * volume: double \n\n音量大小，[1.0-10.0], 默认为 1.0\n\nGetVolumeLevel\n\n * virtual float GetVolumeLevel() = 0\n * 获取音频采集的音量\n\nReturns float\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNMicrophoneAudioTrack" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNMicrophoneAudioTrack\n\n# QNMicrophoneAudioTrack\n\n最近更新时间: 2022-07-13 23:40:34\n\n本地音频麦克风 Track 类\n\nHierarchy\n\n * [QNTrack](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11222/QNTrack-Linux)\n * [QNLocalTrack](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11208/QNLocalTrack-Linux)\n * [QNLocalVideoTrack](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11209/QNLocalVideoTrack-Linux)\n * [QNCameraVideoTrack](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11198/QNCameraVideoTrack-Linux)\n * [QNCustomVideoTrack](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11205/QNCustomVideoTrack-Linux)\n * [QNLocalAudioTrack](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11207/QNLocalAudioTrack-Linux)\n * QNMicrophoneAudioTrack \n * [QNCustomAudioTrack](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11203/QNCustomAudioTrack-Linux)\n * [QNRemoteTrack](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11213/QNRemoteTrack-Linux)\n * [QNRemoteVideoTrack](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11215/QNRemoteVideoTrack-Linux)\n * [QNRemoteAudioTrack](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11212/QNRemoteAudioTrack-Linux)\n\nIndex\n\nCore Methods\n\n * GetTrackID\n * GetUserID\n * GetTag\n * IsAudio\n * IsVideo\n * IsMuted\n * SetMuted\n * SetAudioFrameListener\n * SetVolume\n * GetVolumeLevel\n * CreateAudioMusicMixer\n * CreateAudioEffectMixer\n * DestroyAudioMusicMixer\n * DestroyAudioEffectMixer\n\nCore Methods\n\nGetTrackID\n\n * virtual const std::string& GetTrackID() = 0\n * 获取 TrackID\n\nReturns string\n\nGetUserID\n\n * virtual const std::string& GetUserID() = 0\n * 获取 UserID\n\nReturns string\n\nGetTag\n\n * virtual const std::string& GetTag() = 0\n * 获取 Tag\n\nReturns string\n\nIsAudio\n\n * virtual bool IsAudio() = 0\n * 是否为音频 track\n\nReturns bool\n\nIsVideo\n\n * virtual bool IsVideo() = 0\n * 是否为视频 track\n\nReturns bool\n\nIsMuted\n\n * virtual bool IsMuted() = 0\n * 是否 muted\n\nReturns bool\n\nSetMuted\n\n * virtual void SetMuted(bool muted) = 0\n * 设置是否静默该 track，静默后，SDK 将会发送静默帧数据\n\nParameters\n\n * muted: bool \n\n是否静默\n\nSetAudioFrameListener\n\n * virtual void SetAudioFrameListener([QNAudioFrameListener](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11189/QNAudioFrameListener-Linux)* listener) = 0\n * 设置是音频数据监听\n\nParameters\n\n * listener: [QNAudioFrameListener](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11189/QNAudioFrameListener-Linux)\n\n音频数据监听接口\n\nSetVolume\n\n * virtual void SetVolume(double volume) = 0\n * 设置采集音频音量（不改变系统设备的音量）\n\nParameters\n\n * volume: double \n\n音量大小，[1.0-10.0], 默认为 1.0\n\nGetVolumeLevel\n\n * virtual float GetVolumeLevel() = 0\n * 获取音频采集的音量\n\nReturns float\n\nCreateAudioMusicMixer\n\n * virtual [QNAudioMusicMixer](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11989/QNAudioMusicMixer)* CreateAudioMusicMixer(const std::string& music_path, [QNAudioMusicMixerListener](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11990/QNAudioMusicMixerListener)* listener) = 0\n * 创建背景音乐混音控制器对象\n\n支持本地和在线文件，支持的文件格式为：aac、mp3、mp4、ogg、opus、wav、m4a、flac\n\n> 注意：\n>\n> 1\\. 背景音乐混音仅支持同时混合一路背景音乐，若需要切换背景音乐，重新调用本接口创建\n> [QNAudioMusicMixer](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-\n> Linux/11989/QNAudioMusicMixer) 即可\n>\n> 2\\. 建议使用本地文件进行混音，以避免网络环境差引起的混音异常\n>\n> 3\\.\n> 若您希望在混合背景音乐的同时添加音效，可参考音效混音相关接口([QNAudioEffectMixer](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-\n> Linux/11986/QNAudioEffectMixer))\n\nParameters\n\n * music_path: String \n\n音频文件路径，支持本地文件和在线文件\n\n * listener: [QNAudioMusicMixerListener](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11990/QNAudioMusicMixerListener)\n\n混音控制器监听接口\n\nReturns\n[QNAudioMusicMixer](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-\nLinux/11989/QNAudioMusicMixer)\n\nCreateAudioEffectMixer\n\n * virtual [QNAudioEffectMixer](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11986/QNAudioEffectMixer)* CreateAudioEffectMixer([QNAudioEffectMixerListener](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11988/QNAudioEffectMixerListener)* listener) = 0\n * 创建音效混音控制器对象\n\n> 音效混音支持同时混合多路音效文件\n\nParameters\n\n * listener: [QNAudioEffectMixerListener](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11988/QNAudioEffectMixerListener)\n\n音效混音控制器监听接口\n\nReturns\n[QNAudioEffectMixer](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-\nLinux/11986/QNAudioEffectMixer)\n\nDestroyAudioMusicMixer\n\n * virtual void DestroyAudioMusicMixer([QNAudioMusicMixer](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11989/QNAudioMusicMixer)* mixer) = 0\n * 销毁 [QNAudioMusicMixer](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11989/QNAudioMusicMixer) 实例\n\nDestroyAudioEffectMixer\n\n * virtual void DestroyAudioEffectMixer([QNAudioEffectMixer](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11986/QNAudioEffectMixer)* mixer) = 0\n * 销毁 [QNAudioEffectMixer](https://developer.qiniu.com/rtc/11210/QNMicrophoneAudioTrack-Linux/11986/QNAudioEffectMixer) 实例\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNCameraVideoTrack" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNCameraVideoTrack\n\n# QNCameraVideoTrack\n\n最近更新时间: 2022-03-28 17:53:28\n\n本地视频相机 Track 类\n\nHierarchy\n\n * [QNTrack](https://developer.qiniu.com/rtc/11198/QNCameraVideoTrack-Linux/11222/QNTrack-Linux)\n * [QNLocalTrack](https://developer.qiniu.com/rtc/11198/QNCameraVideoTrack-Linux/11208/QNLocalTrack-Linux)\n * [QNLocalVideoTrack](https://developer.qiniu.com/rtc/11198/QNCameraVideoTrack-Linux/11209/QNLocalVideoTrack-Linux)\n * QNCameraVideoTrack \n * [QNCustomVideoTrack](https://developer.qiniu.com/rtc/11198/QNCameraVideoTrack-Linux/11205/QNCustomVideoTrack-Linux)\n * [QNLocalAudioTrack](https://developer.qiniu.com/rtc/11198/QNCameraVideoTrack-Linux/11207/QNLocalAudioTrack-Linux)\n * [QNMicrophoneAudioTrack](https://developer.qiniu.com/rtc/11198/QNCameraVideoTrack-Linux/11210/QNMicrophoneAudioTrack-Linux)\n * [QNCustomAudioTrack](https://developer.qiniu.com/rtc/11198/QNCameraVideoTrack-Linux/11203/QNCustomAudioTrack-Linux)\n * [QNRemoteTrack](https://developer.qiniu.com/rtc/11198/QNCameraVideoTrack-Linux/11213/QNRemoteTrack-Linux)\n * [QNRemoteVideoTrack](https://developer.qiniu.com/rtc/11198/QNCameraVideoTrack-Linux/11215/QNRemoteVideoTrack-Linux)\n * [QNRemoteAudioTrack](https://developer.qiniu.com/rtc/11198/QNCameraVideoTrack-Linux/11212/QNRemoteAudioTrack-Linux)\n\nIndex\n\nCore Methods\n\n * GetTrackID\n * GetUserID\n * GetTag\n * IsAudio\n * IsVideo\n * IsMuted\n * SetMuted\n * SetVideoFrameListener\n * SendSEI\n * StartCrop\n * StopCrop\n * StartScale\n * StopScale\n * StartCapture\n * StopCapture\n * SetMirror\n * PushImage\n\nCore Methods\n\nGetTrackID\n\n * virtual const std::string& GetTrackID() = 0\n * 获取 TrackID\n\nReturns string\n\nGetUserID\n\n * virtual const std::string& GetUserID() = 0\n * 获取 UserID\n\nReturns string\n\nGetTag\n\n * virtual const std::string& GetTag() = 0\n * 获取 Tag\n\nReturns string\n\nIsAudio\n\n * virtual bool IsAudio() = 0\n * 是否为音频 track\n\nReturns bool\n\nIsVideo\n\n * virtual bool IsVideo() = 0\n * 是否为视频 track\n\nReturns bool\n\nIsMuted\n\n * virtual bool IsMuted() = 0\n * 是否 muted\n\nReturns bool\n\nSetMuted\n\n * virtual void SetMuted(bool muted) = 0\n * 设置是否静默该 track，静默后，SDK 将会发送静默帧数据\n\nParameters\n\n * muted: bool \n\n是否静默\n\nSetVideoFrameListener\n\n * virtual void SetVideoFrameListener([QNVideoFrameListener](https://developer.qiniu.com/rtc/11198/QNCameraVideoTrack-Linux/11226/QNVideoFrameListener-Linux)* listener) = 0\n * 设置视频数据监听\n\nParameters\n\n * listener: [QNVideoFrameListener](https://developer.qiniu.com/rtc/11198/QNCameraVideoTrack-Linux/11226/QNVideoFrameListener-Linux)\n\n视频数据监听接口\n\nSendSEI\n\n * virtual void SendSEI(std::string& message,std::string& uuid,int32_t repeat_count) = 0\n * 发送 SEI\n\nParameters\n\n * message: string \n\n消息内容\n\n * uuid: string \n\n唯一 ID\n\n * repeat_count: int \n\n重复次数, -1 为每一帧都发送\n\nStartCrop\n\n * virtual void StartCrop(uint32_t crop_x,uint32_t crop_y,int32_t crop_width,int32_t crop_height) = 0\n * 开启原始帧裁剪功能，设置参数要求如下，如果设置不正确，则输出原始图像\n\nParameters\n\n * crop_x: uint32_t \n\n开始裁减的 X 坐标点，原点为左上角，必须落在原图之内\n\n * crop_y: uint32_t \n\n开始裁减的 Y 坐标点，原点为左上角，必须落在原图之内\n\n * crop_width: int32_t \n\n目标图像宽度，必须为 4 的整数倍，如果是裁剪模式，crop_x和 crop_y，裁剪图像必须在原始图像之内\n\n * crop_height: int32_t \n\n目标图像高度，必须为 4 的整数倍，如果是裁剪模式，crop_x 和 crop_y，裁剪图像必须在原始图像之内\n\nStopCrop\n\n * virtual void StopCrop() = 0\n * 关闭裁剪功能\n\nStartScale\n\n * virtual void StartScale(int32_t dst_width, int32_t dst_height) = 0\n * 开启原始帧缩放功能，设置参数要求如下，如果设置不正确，则输出原始图像\n\nParameters\n\n * dst_width: int32_t \n\n目标图像宽度，必须为 4 的整数倍\n\n * dst_height: int32_t \n\n目标图像高度，必须为 4 的整数倍\n\nStopScale\n\n * virtual void StopScale() = 0\n * 关闭缩放功能\n\nStartCapture\n\n * virtual void StartCapture() = 0\n * 开启摄像头采集\n\nStopCapture\n\n * virtual void StopCapture() = 0\n * 关闭摄像头采集\n\nSetMirror\n\n * virtual void SetMirror(bool mirror) = 0\n * 设置本地采集画面是否镜像，开启镜像后，订阅端看到的是镜像画面\n\nParameters\n\n * mirror: bool \n\n是否镜像\n\nPushImage\n\n * virtual void PushImage(void* object, [QNImageType](https://developer.qiniu.com/rtc/11198/QNCameraVideoTrack-Linux/11270/QNImageType-Linux) type) = 0\n * 将摄像头采集流替换为图片流，此接口需要在摄像头推流成功后调用\n\nParameters\n\n * object: void* \n\nobject 推送图片的对象，可以是文件对象、文件路径、url，Window 平台只支持文件路径, 设置为 nullptr\n时，取消推送图片，关闭图片推送，恢复摄像头采集画面\n\n * type: [QNImageType](https://developer.qiniu.com/rtc/11198/QNCameraVideoTrack-Linux/11270/QNImageType-Linux)\n\n图片格式\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNCustomAudioTrack" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNCustomAudioTrack\n\n# QNCustomAudioTrack\n\n最近更新时间: 2022-03-28 22:33:11\n\n本地音频自定义导入 Track 类\n\nHierarchy\n\n * [QNTrack](https://developer.qiniu.com/rtc/11203/QNCustomAudioTrack-Linux/11222/QNTrack-Linux)\n * [QNLocalTrack](https://developer.qiniu.com/rtc/11203/QNCustomAudioTrack-Linux/11208/QNLocalTrack-Linux)\n * [QNLocalVideoTrack](https://developer.qiniu.com/rtc/11203/QNCustomAudioTrack-Linux/11209/QNLocalVideoTrack-Linux)\n * [QNCameraVideoTrack](https://developer.qiniu.com/rtc/11203/QNCustomAudioTrack-Linux/11198/QNCameraVideoTrack-Linux)\n * [QNCustomVideoTrack](https://developer.qiniu.com/rtc/11203/QNCustomAudioTrack-Linux/11205/QNCustomVideoTrack-Linux)\n * [QNLocalAudioTrack](https://developer.qiniu.com/rtc/11203/QNCustomAudioTrack-Linux/11207/QNLocalAudioTrack-Linux)\n * [QNMicrophoneAudioTrack](https://developer.qiniu.com/rtc/11203/QNCustomAudioTrack-Linux/11210/QNMicrophoneAudioTrack-Linux)\n * QNCustomAudioTrack \n * [QNRemoteTrack](https://developer.qiniu.com/rtc/11203/QNCustomAudioTrack-Linux/11213/QNRemoteTrack-Linux)\n * [QNRemoteVideoTrack](https://developer.qiniu.com/rtc/11203/QNCustomAudioTrack-Linux/11215/QNRemoteVideoTrack-Linux)\n * [QNRemoteAudioTrack](https://developer.qiniu.com/rtc/11203/QNCustomAudioTrack-Linux/11212/QNRemoteAudioTrack-Linux)\n\nIndex\n\nCore Methods\n\n * GetTrackID\n * GetUserID\n * GetTag\n * IsAudio\n * IsVideo\n * IsMuted\n * SetMuted\n * SetAudioFrameListener\n * SetVolume\n * GetVolumeLevel\n * PushAudioFrame\n\nCore Methods\n\nGetTrackID\n\n * virtual const std::string& GetTrackID() = 0\n * 获取 TrackID\n\nReturns string\n\nGetUserID\n\n * virtual const std::string& GetUserID() = 0\n * 获取 UserID\n\nReturns string\n\nGetTag\n\n * virtual const std::string& GetTag() = 0\n * 获取 Tag\n\nReturns string\n\nIsAudio\n\n * virtual bool IsAudio() = 0\n * 是否为音频 track\n\nReturns bool\n\nIsVideo\n\n * virtual bool IsVideo() = 0\n * 是否为视频 track\n\nReturns bool\n\nIsMuted\n\n * virtual bool IsMuted() = 0\n * 是否 muted\n\nReturns bool\n\nSetMuted\n\n * virtual void SetMuted(bool muted) = 0\n * 设置是否静默该 track，静默后，SDK 将会发送静默帧数据\n\nParameters\n\n * muted: bool \n\n是否静默\n\nSetAudioFrameListener\n\n * virtual void SetAudioFrameListener([QNAudioFrameListener](https://developer.qiniu.com/rtc/11203/QNCustomAudioTrack-Linux/undefined)* listener) = 0\n * 设置是音频数据监听\n\nParameters\n\n * listener: [QNAudioFrameListener](https://developer.qiniu.com/rtc/11203/QNCustomAudioTrack-Linux/undefined)\n\n音频数据监听接口\n\nSetVolume\n\n * virtual void SetVolume(double volume) = 0\n * 设置采集音频音量（不改变系统设备的音量）\n\nParameters\n\n * volume: double \n\n音量大小，[1.0-10.0], 默认为 1.0\n\nGetVolumeLevel\n\n * virtual float GetVolumeLevel() = 0\n * 获取音频采集的音量\n\nReturns float\n\nPushAudioFrame\n\n * virtual int32_t PushAudioFrame(const uint8_t* data,uint32_t data_size,uint32_t bits_per_sample,uint32_t sample_rate,uint32_t channels) = 0\n * 推送自定义音频帧\n\nParameters\n\n * data: uint8_t* \n\n音频数据\n\n * data_size: uint32_t \n\n数据长度\n\n * bits_per_sample: uint32_t \n\n位宽，即每个采样点占用位数\n\n * sample_rate: uint32_t \n\n采样率\n\n * channels: uint32_t \n\n声道数\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNRemoteTrack" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNRemoteTrack\n\n# QNRemoteTrack\n\n最近更新时间: 2022-03-28 17:55:08\n\n音视频远端 Track 基类\n\nHierarchy\n\n * [QNTrack](https://developer.qiniu.com/rtc/11213/QNRemoteTrack-Linux/11222/QNTrack-Linux)\n * [QNLocalTrack](https://developer.qiniu.com/rtc/11213/QNRemoteTrack-Linux/11208/QNLocalTrack-Linux)\n * [QNLocalVideoTrack](https://developer.qiniu.com/rtc/11213/QNRemoteTrack-Linux/11209/QNLocalVideoTrack-Linux)\n * [QNCameraVideoTrack](https://developer.qiniu.com/rtc/11213/QNRemoteTrack-Linux/11198/QNCameraVideoTrack-Linux)\n * [QNCustomVideoTrack](https://developer.qiniu.com/rtc/11213/QNRemoteTrack-Linux/11205/QNCustomVideoTrack-Linux)\n * [QNLocalAudioTrack](https://developer.qiniu.com/rtc/11213/QNRemoteTrack-Linux/11207/QNLocalAudioTrack-Linux)\n * [QNMicrophoneAudioTrack](https://developer.qiniu.com/rtc/11213/QNRemoteTrack-Linux/11210/QNMicrophoneAudioTrack-Linux)\n * [QNCustomAudioTrack](https://developer.qiniu.com/rtc/11213/QNRemoteTrack-Linux/11203/QNCustomAudioTrack-Linux)\n * QNRemoteTrack \n * [QNRemoteVideoTrack](https://developer.qiniu.com/rtc/11213/QNRemoteTrack-Linux/11215/QNRemoteVideoTrack-Linux)\n * [QNRemoteAudioTrack](https://developer.qiniu.com/rtc/11213/QNRemoteTrack-Linux/11212/QNRemoteAudioTrack-Linux)\n\nIndex\n\nCore Methods\n\n * GetTrackID\n * GetUserID\n * GetTag\n * IsAudio\n * IsVideo\n * IsMuted\n * SetTrackInfoChangedListener\n * IsSubscribed\n\nCore Methods\n\nGetTrackID\n\n * virtual const std::string& GetTrackID() = 0\n * 获取 TrackID\n\nReturns string\n\nGetUserID\n\n * virtual const std::string& GetUserID() = 0\n * 获取 UserID\n\nReturns string\n\nGetTag\n\n * virtual const std::string& GetTag() = 0\n * 获取 Tag\n\nReturns string\n\nIsAudio\n\n * virtual bool IsAudio() = 0\n * 是否为音频 track\n\nReturns bool\n\nIsVideo\n\n * virtual bool IsVideo() = 0\n * 是否为视频 track\n\nReturns bool\n\nIsMuted\n\n * virtual bool IsMuted() = 0\n * 是否 muted\n\nReturns bool\n\nSetTrackInfoChangedListener\n\n * virtual void SetTrackInfoChangedListener([QNTrackInfoChangedListener](https://developer.qiniu.com/rtc/11213/QNRemoteTrack-Linux/11223/QNTrackInfoChangedListener-Linux)* listener) = 0\n * 设置当前轨道信息变化监听器\n\nParameters\n\n * listener: [QNTrackInfoChangedListener](https://developer.qiniu.com/rtc/11213/QNRemoteTrack-Linux/11223/QNTrackInfoChangedListener-Linux)\n\n轨道信息变化监听器\n\nIsSubscribed\n\n * virtual bool IsSubscribed() = 0;\n * 该 Track 是否被订阅\n\nReturns bool\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNTranscodingLiveStreamingConfig" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNTranscodingLiveStreamingConfig\n\n# QNTranscodingLiveStreamingConfig\n\n最近更新时间: 2022-07-13 23:38:16\n\n自定义合流配置信息\n\nIndex\n\nProperties\n\n * stream_id\n * publish_url\n * merge_background\n * merge_watermark\n * width\n * height\n * fps\n * bitrate\n * min_bitrate\n * max_bitrate\n * is_audio_only\n * stretch_mode\n\nProperties\n\nstream_id\n\n * stream_id: string\n * 流任务id，保证唯一\n\npublish_url\n\n * publish_url: string\n * 自定义合流推流地址\n\nmerge_background\n\n * merge_background: [QNTranscodingLiveStreamingImage](https://developer.qiniu.com/rtc/11294/QNTranscodingLiveStreamingConfig-Linux/11295/QNTranscodingLiveStreamingImage-Linux)\n * 合流背景\n\nmerge_watermark\n\n * merge_watermark: std::list<[QNTranscodingLiveStreamingImage](https://developer.qiniu.com/rtc/11294/QNTranscodingLiveStreamingConfig-Linux/11295/QNTranscodingLiveStreamingImage-Linux)>\n * 合流水印\n\nwidth\n\n * width: int32_t\n * 合流画布宽\n\nheight\n\n * height: int32_t\n * 合流画布高\n\nfps\n\n * fps: int32_t\n * 合流帧率\n\nbitrate\n\n * bitrate: int32_t\n * 合流码率 bps\n\nmin_bitrate\n\n * min_bitrate: int32_t\n * 最小码率\n\nmax_bitrate\n\n * max_bitrate: int32_t\n * 最大码率\n\nis_audio_only\n\n * is_audio_only: bool\n * 是否为纯音频\n\nstretch_mode\n\n * stretch_mode: [QNStretchMode](https://developer.qiniu.com/rtc/11294/QNTranscodingLiveStreamingConfig-Linux/11292/QNStretchMode-Linux)\n * 合流画面填充模式\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNCameraCapability" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNCameraCapability\n\n# QNCameraCapability\n\n最近更新时间: 2022-03-28 17:56:36\n\n摄像头支持的采集能力\n\nIndex\n\nProperties\n\n * width\n * height\n * max_fps\n * video_frame_type\n\nProperties\n\nwidth\n\n * width: int\n * 采集宽\n\nheight\n\n * height: int\n * 采集高\n\nmax_fps\n\n * max_fps: int\n * 采集帧率\n\nvideo_frame_type\n\n * video_frame_type: [QNVideoFrameType](https://developer.qiniu.com/rtc/11258/QNCameraCapability-Linux/11300/QNVideoFrameType-Linux)\n * 采集的视频数据格式\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNTrackInfoChangedListener" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNTrackInfoChangedListener\n\n# QNTrackInfoChangedListener\n\n最近更新时间: 2022-03-28 17:58:09\n\nTrack 信息改变回调接口\n\nIndex\n\nCore Methods\n\n * OnVideoProfileChanged\n * OnMuteStateChanged\n\nCore Methods\n\nOnVideoProfileChanged\n\n * virtual void OnVideoProfileChanged(const std::string& user_id,const std::string& track_id,[QNTrackProfile](https://developer.qiniu.com/rtc/11223/QNTrackInfoChangedListener-Linux/11293/QNTrackProfile-Linux) profile) = 0\n * 视频 Track profile 改变后触发\n\nParameters\n\n * user_id: string \n\n切换 pofile 的被订阅用户 ID\n\n * track_id: string \n\n视频 track id\n\n * profile: [QNTrackProfile](https://developer.qiniu.com/rtc/11223/QNTrackInfoChangedListener-Linux/11293/QNTrackProfile-Linux)\n\n当前改变后的 profile\n\nOnMuteStateChanged\n\n * virtual void OnMuteStateChanged(const std::string& user_id,const std::string& track_id,bool muted) = 0\n * Track 静默状态改变后触发\n\nParameters\n\n * user_id: string \n\n是改变静默状态的远端用户 ID\n\n * track_id: string \n\n改变静默状态的远端 track id\n\n * muted: bool \n\n是否为静默状态\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNCameraInfo" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNCameraInfo\n\n# QNCameraInfo\n\n最近更新时间: 2022-03-28 17:58:45\n\n摄像头设备信息\n\nIndex\n\nProperties\n\n * id\n * name\n * capabilities\n\nProperties\n\nid\n\n * id: string\n * 设备 Id，用于系统内做标识\n\nname\n\n * name: string\n * 设备名\n\ncapabilities\n\n * capabilities: std::vector<[QNCameraCapability](https://developer.qiniu.com/rtc/11260/QNCameraInfo-Linux/11258/QNCameraCapability-Linux)>\n * 此摄像头所支持的采集能力列表\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNVideoEncoderConfig" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNVideoEncoderConfig\n\n# QNVideoEncoderConfig\n\n最近更新时间: 2022-03-28 17:59:27\n\n编码器类型\n\nIndex\n\nEnum\n\n * QNVideoEncoderType\n\nEnum\n\nQNVideoEncoderType\n\n * code | describe | message \n---|---|--- \nkEncodeOpenH264 | 默认 Open264 编码器，支持所有平台 | 无 \n \nType declaration\n\n * kEncodeOpenH264\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNDirectLiveStreamingConfig" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNDirectLiveStreamingConfig\n\n# QNDirectLiveStreamingConfig\n\n最近更新时间: 2022-03-28 18:40:10\n\n单路转推配置信息，通过 SDK 将参数发送到服务端,服务端按照指定的参数进行 CDN 转推\n\nIndex\n\nProperties\n\n * local_audio_track\n * local_video_track\n * stream_id\n * publish_url\n\nProperties\n\nlocal_audio_track\n\n * local_audio_track: [QNLocalAudioTrack](https://developer.qiniu.com/rtc/11268/QNDirectLiveStreamingConfig-Linux/11207/QNLocalAudioTrack-Linux)*\n * 单路转推的音频 track\n\nlocal_video_track\n\n * local_video_track: [QNLocalVideoTrack](https://developer.qiniu.com/rtc/11268/QNDirectLiveStreamingConfig-Linux/11209/QNLocalVideoTrack-Linux)*\n * 单路转推的视频 track\n\nstream_id\n\n * stream_id: string\n * 单路转推任务 id，由客户端设置，不可为空\n\npublish_url\n\n * publish_url: string\n * rtmp 转推地址\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNVideoFrameType" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNVideoFrameType\n\n# QNVideoFrameType\n\n最近更新时间: 2022-05-24 22:11:40\n\n视频数据格式\n\nIndex\n\nEnum\n\n * QNVideoFrameType\n\nEnum\n\nQNVideoFrameType\n\n * Type declaration\n\n * kUnknown\n\n * kI420\n\n * kIYUV\n\n * kRGB24\n\n * kABGR\n\n * kARGB\n\n * kARGB4444\n\n * kRGB565\n\n * kARGB1555\n\n * kYUY2\n\n * kYV12\n\n * kUYVY\n\n * kMJPEG\n\n * kNV21\n\n * kNV12\n\n * kBGRA\n\n * kH264Raw\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNTranscodingLiveStreamingTrack" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNTranscodingLiveStreamingTrack\n\n# QNTranscodingLiveStreamingTrack\n\n最近更新时间: 2022-03-28 22:31:39\n\n旁路直播合流配置信息，通过 SDK 将参数发送到服务端,服务端按照指定的参数进行合流并推出 RTMP 流\n\nIndex\n\nProperties\n\n * track_id\n * x\n * y\n * z\n * width\n * height\n * stretch_mode\n * is_support_sei\n\nProperties\n\ntrack_id\n\n * track_id: string\n * track id，房间内唯一\n\nx\n\n * x: int32_t\n * 此路视频流（即此 video track）在 RTMP 流画布中的 X 坐标\n\ny\n\n * y: int32_t\n * 此路视频流（即此 video track）在 RTMP 流画布中的 y 坐标\n\nz\n\n * z: int32_t\n * 此路视频流（即此 video track）在 RTMP 流画布中的 z 坐标\n\nwidth\n\n * width: int32_t\n * 此路视频流（即此 video track) RTMP 流画布中的宽度，缩放、裁减方式根据后端配置决定\n\nheight\n\n * height: int32_t\n * 此路视频流（即此 video track) RTMP 流画布中的高度，缩放、裁减方式根据后端配置决定\n\nstretch_mode\n\n * stretch_mode: [QNStretchMode](https://developer.qiniu.com/rtc/11296/QNTranscodingLiveStreamingTrack-Linux/11292/QNStretchMode-Linux)\n * 设置video track 在合流时的填充模式，如果不做单独设置,填充模式将继承 StartLiveStreaming 的 stretchMode\n\nis_support_sei\n\n * is_support_sei: bool\n * 是否支持私有 SEI 数据插入，只支持一路 video track 设置\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNVideoCaptureConfig" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNVideoCaptureConfig\n\n# QNVideoCaptureConfig\n\n最近更新时间: 2022-03-21 21:28:15\n\n配置视频采集参数的结构体\n\nIndex\n\nProperties\n\n * width\n * height\n * frame_rate\n\nProperties\n\nwidth\n\n * width: int32_t\n * 设置视频采集宽度\n\nheight\n\n * height: int32_t\n * 设置视频采集高度\n\nframe_rate\n\n * frame_rate: int32_t\n * 是视频采集帧率\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNCustomAudioTrackConfig" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNCustomAudioTrackConfig\n\n# QNCustomAudioTrackConfig\n\n最近更新时间: 2022-03-28 22:34:05\n\n自定义音频采集 Track 的配置\n\nIndex\n\nProperties\n\n * audio_quality\n * tag\n\nProperties\n\naudio_quality\n\n * audio_quality: [QNAudioQuality](https://developer.qiniu.com/rtc/11204/QNCustomAudioTrackConfig-Linux/11190/QNAudioQuality-Linux)\n * 设置音频质量\n\ntag\n\n * tag: string\n * 自定义标签\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNLocalAudioTrackStats" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNLocalAudioTrackStats\n\n# QNLocalAudioTrackStats\n\n最近更新时间: 2022-03-23 13:58:30\n\n本地发布的音频统计信息\n\nIndex\n\nProperties\n\n * uplink_bitrate\n * uplink_rtt\n * uplink_lostrate\n\nProperties\n\nuplink_bitrate\n\n * uplink_bitrate: int32_t\n * 上行音频码率\n\nuplink_rtt\n\n * uplink_rtt: int32_t\n * 上行网络 rtt\n\nuplink_lostrate\n\n * uplink_lostrate: int32_t\n * 上行网络丢包率\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNImageType" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNImageType\n\n# QNImageType\n\n最近更新时间: 2022-03-23 13:55:41\n\n图片类型\n\nIndex\n\nEnum\n\n * QNImageType\n\nEnum\n\nQNImageType\n\n * Type declaration\n\n * kImagJpeg\n\n * kImagPng\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNRemoteVideoTrackStats" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNRemoteVideoTrackStats\n\n# QNRemoteVideoTrackStats\n\n最近更新时间: 2022-03-28 22:37:49\n\n订阅远端的视频统计信息\n\nIndex\n\nProperties\n\n * profile\n * downlink_framerate\n * downlink_bitrate\n * downlink_lostrate\n * uplink_rtt\n * uplink_lostrate\n\nProperties\n\nprofile\n\n * profile: [QNTrackProfile](https://developer.qiniu.com/rtc/11286/QNRemoteVideoTrackStats-Linux/11293/QNTrackProfile-Linux)\n * 该路 track 的 profile\n\ndownlink_framerate\n\n * downlink_framerate: int32_t\n * 下行视频帧率\n\ndownlink_bitrate\n\n * downlink_bitrate: int32_t\n * 下行视频码率\n\ndownlink_lostrate\n\n * downlink_lostrate: int32_t\n * 下行网络丢包率\n\nuplink_rtt\n\n * uplink_rtt: int32_t\n * 上行网络 rtt （即远端用户发布视频的网络链路的 rtt）\n\nuplink_lostrate\n\n * uplink_lostrate: int32_t\n * 上行网络丢包率\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNVideoRotation" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNVideoRotation\n\n# QNVideoRotation\n\n最近更新时间: 2022-03-23 14:25:46\n\n视频数据的旋转角度，主要用于对原始视频数据进行处理的功能接口中\n\nIndex\n\nEnum\n\n * QNVideoRotation\n\nEnum\n\nQNVideoRotation\n\n * code | describe | message \n---|---|--- \nkVideoRotation0 | 旋转 0 度 | 无 \nkVideoRotation90 | 旋转 90 度 | 无 \nkVideoRotation180 | 旋转 180 度 | 无 \nkVideoRotation270 | 旋转 270 度 | 无 \n \nType declaration\n\n * kVideoRotation0\n\n * kVideoRotation90\n\n * kVideoRotation180\n\n * kVideoRotation270\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNConnectionState" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNConnectionState\n\n# QNConnectionState\n\n最近更新时间: 2022-03-28 22:39:59\n\n连麦房间连接状态\n\nIndex\n\nProperties\n\n * kDisconnected\n * kConnecting\n * kConnected\n * kReconnecting\n * kReconnected\n\nProperties\n\nkDisconnected\n\n * kDisconnected: QNConnectionState\n * 未链接状态\n\nSDK 出现无法恢复错误时也进入该状态\n\nkConnecting\n\n * kConnecting: QNConnectionState\n * 正在连接状态\n\n当调用\n[QNRTCClient.Join](https://developer.qiniu.com/rtc/11266/QNConnectionState-\nLinux/11288) 后, 首先进入该状态，表示开始连接房间服务\n\nkConnected\n\n * kConnected: QNConnectionState\n * 连接成功状态\n\n当调用\n[QNRTCClient.Join](https://developer.qiniu.com/rtc/11266/QNConnectionState-\nLinux/11288)，在完成和房间服务连接后进入该状态\n\nkReconnecting\n\n * kReconnecting: QNConnectionState\n * 正在重连状态\n\n当和房间的已有连接由于网络中断、网络异常等原因断开，SDK 进行周期性重连时进入该状态\n\nkReconnected\n\n * kReconnected: QNConnectionState\n * 重连成功状态\n\n当从 kReconnecting 状态，重新和房间服务建立连接后进入该状态\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNClientEventListener" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNClientEventListener\n\n# QNClientEventListener\n\n最近更新时间: 2022-03-28 22:44:09\n\n[QNRTCClient](https://developer.qiniu.com/rtc/11261/QNClientEventListener-\nLinux/11288/QNRTCClient-Linux) 事件回调接口\n\nIndex\n\nCore Methods\n\n * OnConnectionStateChanged\n * OnUserJoined\n * OnUserLeft\n * OnUserReconnecting\n * OnUserReconnected\n * OnUserPublished\n * OnUserUnpublished\n * OnSubscribed\n * OnMessageReceived\n * OnMediaRelayStateChanged\n\nCore Methods\n\nOnConnectionStateChanged\n\n * virtual void OnConnectionStateChanged(QNConnectionState state, const QNConnectionDisconnectedInfo* info) = 0\n * 房间连接状态变化时通知\n\nParameters\n\n * state: [QNConnectionState](https://developer.qiniu.com/rtc/11261/QNClientEventListener-Linux/11266/QNConnectionState-Linux)\n\n连接状态\n\n * info: [QNConnectionDisconnectedInfo](https://developer.qiniu.com/rtc/11261/QNClientEventListener-Linux/11265/QNConnectionDisconnectedInfo-Linux)\n\n断开连接时状态信息\n\nOnUserJoined\n\n * virtual void OnUserJoined(const std::string& remote_user_id, const std::string& user_data) = 0\n * 远端用户加入房间时通知\n\nParameters\n\n * remote_user_id: string \n\n远端用户 id\n\n * user_data: string \n\n远端用户自定义消息\n\nOnUserLeft\n\n * virtual void OnUserLeft(const std::string& remote_user_id) = 0\n * 远端用户离开房间时通知\n\nParameters\n\n * remote_user_id: string \n\n远端用户 id\n\nOnUserReconnecting\n\n * virtual void OnUserReconnecting(const std::string& remote_user_id) = 0\n * 远端用户重连时通知\n\nParameters\n\n * remote_user_id: string \n\n远端用户 id\n\nOnUserReconnected\n\n * virtual void OnUserReconnected(const std::string& remote_user_id) = 0\n * 远端用户重连成功时通知\n\nParameters\n\n * remote_user_id: string \n\n远端用户 id\n\nOnUserPublished\n\n * virtual void OnUserPublished(const std::string& remote_user_id, const RemoteTrackList& track_list) = 0\n * 远端用户发布新 track 时通知\n\nParameters\n\n * remote_user_id: string \n\n远端用户 id\n\n * track_list: std::list<shared_ptr<[QNRemoteTrack](https://developer.qiniu.com/rtc/11261/QNClientEventListener-Linux/11213/QNRemoteTrack-Linux)>>\n\n远端用户新发布的 tracks\n\nOnUserUnpublished\n\n * virtual void OnUserUnpublished(const std::string& remote_user_id, const RemoteTrackList& track_list) = 0\n * 远端用户取消发布 track 时通知\n\nParameters\n\n * remote_user_id: string \n\n远端用户 id\n\n * track_list: std::list<shared_ptr<[QNRemoteTrack](https://developer.qiniu.com/rtc/11261/QNClientEventListener-Linux/11213/QNRemoteTrack-Linux)>>\n\n远端用户取消发布的 tracks\n\nOnSubscribed\n\n * virtual void OnSubscribed(const std::string& remote_user_id,const RemoteAudioTrackList& remote_audio_track_list,const RemoteVideoTrackList& remote_video_track_list) = 0\n * 订阅 track 成功时通知\n\nParameters\n\n * remote_user_id: string \n\n订阅的 track 所属的远端用户\n\n * remote_audio_track_list: std::list<shared_ptr<[QNRemoteAudioTrack](https://developer.qiniu.com/rtc/11261/QNClientEventListener-Linux/11212/QNRemoteAudioTrack-Linux)>>\n\n订阅的音频 tracks\n\n * remote_video_track_list: std::list<shared_ptr<[QNRemoteVideoTrack](https://developer.qiniu.com/rtc/11261/QNClientEventListener-Linux/11215/QNRemoteVideoTrack-Linux)>>\n\n订阅的视频 tracks\n\nOnMessageReceived\n\n * virtual void OnMessageReceived(const CustomMessageList& message) = 0\n * 接收收到新的自定义消息时通知\n\nParameters\n\n * message: std::list<[QNCustomMessage](https://developer.qiniu.com/rtc/11261/QNClientEventListener-Linux/11267/QNCustomMessage-Linux)>\n\n自定义消息列表\n\nOnMediaRelayStateChanged\n\n * virtual void OnMediaRelayStateChanged(const std::string& relay_room, const QNMediaRelayState state) = 0\n * 跨发媒体转发状态变更，非主动调用触发，由目标房间状态变化引起此通知\n\n目前仅当目标房间关闭时，会触发此通知\n\nParameters\n\n * relay_room: string \n\n发生状态变化的房间名\n\n * state: [QNMediaRelayState](https://developer.qiniu.com/rtc/11261/QNClientEventListener-Linux/undefined)\n\n新状态，当前仅可能为 QNMediaRelayState::kRoomClosed\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNVideoEncoderType" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNVideoEncoderType\n\n# QNVideoEncoderType\n\n最近更新时间: 2022-05-24 22:10:23\n\n编码器类型\n\nIndex\n\nEnum\n\n * QNVideoEncoderType\n\nEnum\n\nQNVideoEncoderType\n\n * code | describe | message \n---|---|--- \nkEncodeOpenH264 | 默认 Open264 编码器，支持所有平台 | 无 \nkExternal | H264 用于数据透传 | 无 \n \nType declaration\n\n * kEncodeOpenH264\n\n * kExternal\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNAudioDeviceInfo" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNAudioDeviceInfo\n\n# QNAudioDeviceInfo\n\n最近更新时间: 2022-03-23 21:10:38\n\n音频设备信息\n\nIndex\n\nProperties\n\n * id\n * name\n * is_default\n\nProperties\n\nid\n\n * id: string\n * 设备 ID\n\nname\n\n * name: string\n * 设备名\n\nis_default\n\n * is_default: bool\n * 是否是系统默认设备\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNCustomMessage" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNCustomMessage\n\n# QNCustomMessage\n\n最近更新时间: 2022-03-23 13:52:53\n\n自定义消息\n\nIndex\n\nProperties\n\n * msg_id\n * msg_sendid\n * msg_text\n * msg_stamp\n\nProperties\n\nmsg_id\n\n * msg_id: string\n * 消息唯一 id\n\nmsg_sendid\n\n * msg_sendid: string\n * 消息发送者的 user id\n\nmsg_text\n\n * msg_text: string\n * 消息内容\n\nmsg_stamp\n\n * msg_stamp: int32_t\n * 消息时间戳\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNVideoFrameListener" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNVideoFrameListener\n\n# QNVideoFrameListener\n\n最近更新时间: 2022-03-28 22:45:43\n\n视频数据回调接口\n\nIndex\n\nCore Methods\n\n * OnVideoFrame\n\nCore Methods\n\nOnVideoFrame\n\n * virtual void OnVideoFrame(const std::string& user_id,const string& track_id,const uint8_t* data,uint32_t data_size,int32_t width,int32_t height,QNVideoFrameType video_frame_type) = 0\n * 音频数据回调\n\nParameters\n\n * user_id: string \n\n此视频数据所属的用户\n\n * track_id: string \n\n此音频 track id\n\n * data: uint8_t* \n\n视频数据内存指针\n\n * data_size: uint32_t \n\n数据长度\n\n * width: int32_t \n\n视频宽\n\n * height: int32_t \n\n视频高\n\n * video_frame_type: [QNVideoFrameType](https://developer.qiniu.com/rtc/11226/QNVideoFrameListener-Linux/11300/QNVideoFrameType-Linux)\n\n视频数据类型\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNAudioDeviceState" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNAudioDeviceState\n\n# QNAudioDeviceState\n\n最近更新时间: 2022-03-23 13:38:43\n\n音频设备当前状态，用与设备插拔的检测和通知\n\nIndex\n\nEnum\n\n * QNAudioDeviceState\n\nEnum\n\nQNAudioDeviceState\n\n * code | describe | message \n---|---|--- \nkAudioDeviceActive | 新的可用设备 | 无 \nkAudioDeviceDisabled | 设备失效 | 无 \nkAudioDeviceNotPresent | 设备不存在 | 无 \nkAudioDeviceLost | 设备被拔出 | 无 \n \nType declaration\n\n * kAudioDeviceActive\n\n * kAudioDeviceDisabled\n\n * kAudioDeviceNotPresent\n\n * kAudioDeviceLost\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNAudioQuality" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNAudioQuality\n\n# QNAudioQuality\n\n最近更新时间: 2022-03-21 20:54:02\n\n描述音频质量的配置属性\n\nIndex\n\nProperties\n\n * sample_rate\n * channel_count\n * bits_per_sample\n * bitrate\n\nProperties\n\nsample_rate\n\n * sample_rate: int32_t\n * 采样率，出于对 Android 设备兼容性的考虑，语音通话场景下建议使用 16kHz 的采样率，否则在某些特殊设备上可能会出现回声等问题\n\nchannel_count\n\n * channel_count: int32_t\n * 声道数\n\nbits_per_sample\n\n * bits_per_sample: int32_t\n * 位宽\n\nbitrate\n\n * bitrate: int32_t\n * 编码码率，单位 kbps\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNClientRoleListener" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNClientRoleListener\n\n# QNClientRoleListener\n\n最近更新时间: 2022-03-28 22:47:08\n\n角色设置回调接口，可通过调用\n[QNRTCClient.SetClientRole](https://developer.qiniu.com/rtc/11264/QNClientRoleListener-\nLinux/11288) 传入\n\nIndex\n\nCore Methods\n\n * OnClientRoleResult\n * OnClientRoleError\n\nCore Methods\n\nOnClientRoleResult\n\n * virtual void OnClientRoleResult(QNClientRole new_role) = 0\n * 设置角色成功回调\n\nParameters\n\n * new_role: [QNClientRole](https://developer.qiniu.com/rtc/11264/QNClientRoleListener-Linux/11263/QNClientRole-Linux)\n\n新角色类型\n\nOnClientRoleError\n\n * virtual void OnClientRoleError(int error_code, const std::string& error_message) = 0\n * 设置角色失败回调\n\ncode | describe | message \n---|---|--- \nErr_Invalid_Client_Mode | 使用场景不符 | 请确认当前场景为互动直播，通信场景不支持角色设置 \n \nParameters\n\n * errorCode: int \n\n错误码\n\n * error_message: string \n\n错误描述\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNLocalVideoTrackStats" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNLocalVideoTrackStats\n\n# QNLocalVideoTrackStats\n\n最近更新时间: 2022-03-28 22:48:40\n\n本地发布的视频统计信息\n\nIndex\n\nProperties\n\n * profile\n * uplink_framerate\n * uplink_bitrate\n * uplink_rtt\n * uplink_lostrate\n\nProperties\n\nprofile\n\n * profile: [QNTrackProfile](https://developer.qiniu.com/rtc/11274/QNLocalVideoTrackStats-Linux/11293/QNTrackProfile-Linux)\n * 该路 track 的 profile\n\nuplink_framerate\n\n * uplink_framerate: int32_t\n * 上行视频帧率\n\nuplink_bitrate\n\n * uplink_bitrate: int32_t\n * 上行视频码率\n\nuplink_rtt\n\n * uplink_rtt: int32_t\n * 上行网络 rtt\n\nuplink_lostrate\n\n * uplink_lostrate: int32_t\n * 上行网络丢包率\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNMediaRelayState" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNMediaRelayState\n\n# QNMediaRelayState\n\n最近更新时间: 2022-03-23 14:04:27\n\n跨房媒体转发状态\n\nIndex\n\nProperties\n\n * kRelayUnknown\n * kRelaySuccess\n * kRelayStopped\n * kInvalidToken\n * kRelayNoRoom\n * kRelayRoomClosed\n * kRelayPlayerExisted\n\nProperties\n\nkRelayUnknown\n\n * kRelayUnknown: QNMediaRelayState\n * 状态未知\n\nkRelaySuccess\n\n * kRelaySuccess: QNMediaRelayState\n * 成功\n\nkRelayStopped\n\n * kRelayStopped: QNMediaRelayState\n * 失败\n\nkInvalidToken\n\n * kInvalidToken: QNMediaRelayState\n * Token 失效\n\nkRelayNoRoom\n\n * kRelayNoRoom: QNMediaRelayState\n * 目标房间不存在\n\nkRelayRoomClosed\n\n * kRelayRoomClosed: QNMediaRelayState\n * 目标房间已关闭\n\nkRelayPlayerExisted\n\n * kRelayPlayerExisted: QNMediaRelayState\n * 目标房间存在相同用户名\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNRemoteAudioMixedFrameListener" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNRemoteAudioMixedFrameListener\n\n# QNRemoteAudioMixedFrameListener\n\n最近更新时间: 2022-03-23 14:08:51\n\n远端各用户音频数据混音后的回调接口\n\nIndex\n\nCore Methods\n\n * OnRemoteAudioMixedFrame\n\nCore Methods\n\nOnRemoteAudioMixedFrame\n\n * virtual void OnRemoteAudioMixedFrame(const uint8_t* data, uint32_t data_size, uint32_t bits_per_sample, uint32_t sample_rate, uint32_t channels) = 0\n * 远端各用户音频数据混音后的回调\n\nParameters\n\n * data: const uint8_t* \n\n音频数据内存指针\n\n * bits_per_sample: uint32_t \n\n位宽，即每个采样点占用位数\n\n * sample_rate: uint32_t \n\n采样率\n\n * channels: uint32_t \n\n声道数\n\n * data_size: uint32_t \n\n音频数据大小\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNLiveStreamingListener" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNLiveStreamingListener\n\n# QNLiveStreamingListener\n\n最近更新时间: 2022-03-28 22:53:37\n\nCDN 转推结果通知接口\n\nIndex\n\nCore Methods\n\n * OnStarted\n * OnStopped\n * OnTranscodingTracksUpdated\n * OnLiveStreamingError\n\nCore Methods\n\nOnStarted\n\n * virtual void OnStarted(const std::string& stream_id) = 0\n * 转推任务成功创建时触发此回调\n\nParameters\n\n * stream_id: string \n\n开启转推的 stream id\n\nOnStopped\n\n * virtual void OnStopped(const std::string& stream_id) = 0\n * 转推任务成功停止时触发此回调\n\nParameters\n\n * stream_id: string \n\n停止转推的 stream id\n\nOnTranscodingTracksUpdated\n\n * virtual void OnTranscodingTracksUpdated(const std::string& stream_id) = 0\n * 转推任务配置更新时触发此回调\n\nParameters\n\n * stream_id: string \n\n配置更新的 stream id\n\nOnLiveStreamingError\n\n * virtual void OnLiveStreamingError(const std::string& stream_id, const [QNLiveStreamingErrorInfo](https://developer.qiniu.com/rtc/11272/QNLiveStreamingListener-Linux/11271/QNLiveStreamingErrorInfo-Linux)& error_info) = 0\n * 转推任务出错时触发此回调\n\nParameters\n\n * stream_id: string \n\n出现错误的 stream id\n\n * error_info: [QNLiveStreamingErrorInfo](https://developer.qiniu.com/rtc/11272/QNLiveStreamingListener-Linux/11271/QNLiveStreamingErrorInfo-Linux)\n\n详细错误原因\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNLogLevel" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNLogLevel\n\n# QNLogLevel\n\n最近更新时间: 2022-03-23 14:00:49\n\n日志级别\n\nIndex\n\nEnum\n\n * QNLogLevel\n\nEnum\n\nQNLogLevel\n\n * Type declaration\n\n * kLogNone\n\n * kLogVerbose\n\n * kLogInfo\n\n * kLogWarning\n\n * kLogError\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNCustomVideoTrack" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNCustomVideoTrack\n\n# QNCustomVideoTrack\n\n最近更新时间: 2022-05-24 22:05:49\n\n本地视频自定义导入 Track 类\n\nHierarchy\n\n * [QNTrack](https://developer.qiniu.com/rtc/11205/QNCustomVideoTrack-Linux/11222/QNTrack-Linux)\n * [QNLocalTrack](https://developer.qiniu.com/rtc/11205/QNCustomVideoTrack-Linux/11208/QNLocalTrack-Linux)\n * [QNLocalVideoTrack](https://developer.qiniu.com/rtc/11205/QNCustomVideoTrack-Linux/11209/QNLocalVideoTrack-Linux)\n * [QNCameraVideoTrack](https://developer.qiniu.com/rtc/11205/QNCustomVideoTrack-Linux/11198/QNCameraVideoTrack-Linux)\n * QNCustomVideoTrack \n * [QNLocalAudioTrack](https://developer.qiniu.com/rtc/11205/QNCustomVideoTrack-Linux/11207/QNLocalAudioTrack-Linux)\n * [QNMicrophoneAudioTrack](https://developer.qiniu.com/rtc/11205/QNCustomVideoTrack-Linux/11210/QNMicrophoneAudioTrack-Linux)\n * [QNCustomAudioTrack](https://developer.qiniu.com/rtc/11205/QNCustomVideoTrack-Linux/11203/QNCustomAudioTrack-Linux)\n * [QNRemoteTrack](https://developer.qiniu.com/rtc/11205/QNCustomVideoTrack-Linux/11213/QNRemoteTrack-Linux)\n * [QNRemoteVideoTrack](https://developer.qiniu.com/rtc/11205/QNCustomVideoTrack-Linux/11215/QNRemoteVideoTrack-Linux)\n * [QNRemoteAudioTrack](https://developer.qiniu.com/rtc/11205/QNCustomVideoTrack-Linux/11212/QNRemoteAudioTrack-Linux)\n\nIndex\n\nCore Methods\n\n * GetTrackID\n * GetUserID\n * GetTag\n * IsAudio\n * IsVideo\n * IsMuted\n * SetMuted\n * SetVideoFrameListener\n * SendSEI\n * PushVideoFrame\n\nCore Methods\n\nGetTrackID\n\n * virtual const std::string& GetTrackID() = 0\n * 获取 TrackID\n\nReturns string\n\nGetUserID\n\n * virtual const std::string& GetUserID() = 0\n * 获取 UserID\n\nReturns string\n\nGetTag\n\n * virtual const std::string& GetTag() = 0\n * 获取 Tag\n\nReturns string\n\nIsAudio\n\n * virtual bool IsAudio() = 0\n * 是否为音频 track\n\nReturns bool\n\nIsVideo\n\n * virtual bool IsVideo() = 0\n * 是否为视频 track\n\nReturns bool\n\nIsMuted\n\n * virtual bool IsMuted() = 0\n * 是否 muted\n\nReturns bool\n\nSetMuted\n\n * virtual void SetMuted(bool muted) = 0\n * 设置是否静默该 track，静默后，SDK 将会发送静默帧数据\n\n> 对于推 H264 源的 track，不支持 mute 操作\n\nParameters\n\n * muted: bool \n\n是否静默\n\nSetVideoFrameListener\n\n * virtual void SetVideoFrameListener([QNVideoFrameListener](https://developer.qiniu.com/rtc/11205/QNCustomVideoTrack-Linux/11226/QNVideoFrameListener-Linux)* listener) = 0\n * 设置视频数据监听\n\nParameters\n\n * listener: [QNVideoFrameListener](https://developer.qiniu.com/rtc/11205/QNCustomVideoTrack-Linux/11226/QNVideoFrameListener-Linux)\n\n视频数据监听接口\n\nSendSEI\n\n * virtual void SendSEI(std::string& message,std::string& uuid,int32_t repeat_count) = 0\n * 发送 SEI\n\nParameters\n\n * message: string \n\n消息内容\n\n * uuid: string \n\n唯一 ID\n\n * repeat_count: int \n\n重复次数, -1 为每一帧都发送\n\nPushVideoFrame\n\n * virtual int PushVideoFrame(const uint8_t* data,const uint32_t data_size,const int32_t width,const int32_t height,const int64_t timestamp_us,QNVideoFrameType video_frame_type,QNVideoRotation rotation,bool mirror = false) = 0\n * 推送自定义视频帧\n\nParameters\n\n * data: uint8_t* \n\n视频数据\n\n * data_size: uint32_t \n\n数据长度\n\n * width: int32_t \n\n视频宽\n\n * height: int32_t \n\n视频高\n\n * int64_t: timestamp_us \n\n时间戳，单位:微妙\n\n * video_frame_type: [QNVideoFrameType](https://developer.qiniu.com/rtc/11205/QNCustomVideoTrack-Linux/11300/QNVideoFrameType-Linux)\n\n视频原始格式，支持：kI420 kYUY2 kRGB24\n\n * rotation: [QNVideoRotation](https://developer.qiniu.com/rtc/11205/QNCustomVideoTrack-Linux/11301/QNVideoRotation-Linux)\n\n导入后旋转角度，如果不需要旋转则使用默认值 kVideoRotation0 即可\n\n * mirror: bool \n\n是否镜像\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNCustomVideoTrackConfig" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNCustomVideoTrackConfig\n\n# QNCustomVideoTrackConfig\n\n最近更新时间: 2022-05-24 22:07:41\n\n自定义视频采集 Track 的配置\n\nIndex\n\nProperties\n\n * encoder_config\n * tag\n * multi_profile_enabled\n * frame_type\n\nProperties\n\nencoder_config\n\n * encoder_config: [QNVideoEncoderConfig](https://developer.qiniu.com/rtc/11206/QNCustomVideoTrackConfig-Linux/11225/QNVideoEncoderConfig-Linux)\n * 设置摄像头采集数据编码参数\n\ntag\n\n * tag: string\n * 自定义标签\n\nmulti_profile_enabled\n\n * multi_profile_enabled: bool\n * 是否开启多流\n\nframe_type\n\n * frame_type: [QNVideoFrameType](https://developer.qiniu.com/rtc/11206/QNCustomVideoTrackConfig-Linux/11300/QNVideoFrameType-Linux)\n * 自定义数据帧类型\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNLocalVideoTrack" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNLocalVideoTrack\n\n# QNLocalVideoTrack\n\n最近更新时间: 2022-03-28 22:57:09\n\n本地视频 Track 基类\n\nHierarchy\n\n * [QNTrack](https://developer.qiniu.com/rtc/11209/QNLocalVideoTrack-Linux/11222/QNTrack-Linux)\n * [QNLocalTrack](https://developer.qiniu.com/rtc/11209/QNLocalVideoTrack-Linux/11208/QNLocalTrack-Linux)\n * QNLocalVideoTrack \n * [QNCameraVideoTrack](https://developer.qiniu.com/rtc/11209/QNLocalVideoTrack-Linux/11198/QNCameraVideoTrack-Linux)\n * [QNCustomVideoTrack](https://developer.qiniu.com/rtc/11209/QNLocalVideoTrack-Linux/11205/QNCustomVideoTrack-Linux)\n * [QNLocalAudioTrack](https://developer.qiniu.com/rtc/11209/QNLocalVideoTrack-Linux/11207/QNLocalAudioTrack-Linux)\n * [QNMicrophoneAudioTrack](https://developer.qiniu.com/rtc/11209/QNLocalVideoTrack-Linux/11210/QNMicrophoneAudioTrack-Linux)\n * [QNCustomAudioTrack](https://developer.qiniu.com/rtc/11209/QNLocalVideoTrack-Linux/11203/QNCustomAudioTrack-Linux)\n * [QNRemoteTrack](https://developer.qiniu.com/rtc/11209/QNLocalVideoTrack-Linux/11213/QNRemoteTrack-Linux)\n * [QNRemoteVideoTrack](https://developer.qiniu.com/rtc/11209/QNLocalVideoTrack-Linux/11215/QNRemoteVideoTrack-Linux)\n * [QNRemoteAudioTrack](https://developer.qiniu.com/rtc/11209/QNLocalVideoTrack-Linux/11212/QNRemoteAudioTrack-Linux)\n\nIndex\n\nCore Methods\n\n * GetTrackID\n * GetUserID\n * GetTag\n * IsAudio\n * IsVideo\n * IsMuted\n * SetMuted\n * SetVideoFrameListener\n * SendSEI\n\nCore Methods\n\nGetTrackID\n\n * virtual const std::string& GetTrackID() = 0\n * 获取 TrackID\n\nReturns string\n\nGetUserID\n\n * virtual const std::string& GetUserID() = 0\n * 获取 UserID\n\nReturns string\n\nGetTag\n\n * virtual const std::string& GetTag() = 0\n * 获取 Tag\n\nReturns string\n\nIsAudio\n\n * virtual bool IsAudio() = 0\n * 是否为音频 track\n\nReturns bool\n\nIsVideo\n\n * virtual bool IsVideo() = 0\n * 是否为视频 track\n\nReturns bool\n\nIsMuted\n\n * virtual bool IsMuted() = 0\n * 是否 muted\n\nReturns bool\n\nSetMuted\n\n * virtual void SetMuted(bool muted) = 0\n * 设置是否静默该 track，静默后，SDK 将会发送静默帧数据\n\nParameters\n\n * muted: bool \n\n是否静默\n\nSetVideoFrameListener\n\n * virtual void SetVideoFrameListener([QNVideoFrameListener](https://developer.qiniu.com/rtc/11209/QNLocalVideoTrack-Linux/11226/QNVideoFrameListener-Linux)* listener) = 0\n * 设置视频数据监听\n\nParameters\n\n * listener: [QNVideoFrameListener](https://developer.qiniu.com/rtc/11209/QNLocalVideoTrack-Linux/11226/QNVideoFrameListener-Linux)\n\n视频数据监听接口\n\nSendSEI\n\n * virtual void SendSEI(std::string& message,std::string& uuid,int32_t repeat_count) = 0\n * 发送 SEI\n\nParameters\n\n * message: string \n\n消息内容\n\n * uuid: string \n\n唯一 ID\n\n * repeat_count: int \n\n重复次数, -1 为每一帧都发送\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNStretchMode" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNStretchMode\n\n# QNStretchMode\n\n最近更新时间: 2022-03-23 14:18:21\n\n画面渲染窗口填充方式\n\nIndex\n\nEnum\n\n * QNStretchMode\n\nEnum\n\nQNStretchMode\n\n * code | describe | message \n---|---|--- \nkStretchInvalid | 无效值 | 无 \nkStretchFill | 在保持长宽比的前提下，缩放视频，使其充满容器 | 无 \nkStretchFit | 在保持长宽比的前提下，缩放视频，使其在容器内完整显示，边缘部分填充黑边 | 无 \nkStretchScaleToFit | 缩放视频，使其填充满容器，可能导致拉伸变形 | 无 \n \nType declaration\n\n * kStretchInvalid\n\n * kStretchFill\n\n * kStretchFit\n\n * kStretchScaleToFit\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNVideoDeviceState" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNVideoDeviceState\n\n# QNVideoDeviceState\n\n最近更新时间: 2022-03-28 23:01:02\n\n摄像头设备状态，SDK 提供设备插拔状态的监控，以下用于标识设备被插入还是拔出设备状态变化后，建议通过\n[QNRTC](https://developer.qiniu.com/rtc/11298/QNVideoDeviceState-\nLinux/11216/QNRTC-Linux).GetCameraCount 重新获取摄像头设备列表\n\nIndex\n\nEnum\n\n * QNVideoDeviceState\n\nEnum\n\nQNVideoDeviceState\n\n * code | describe | message \n---|---|--- \nkVideoDeviceActive | 设备插入 | 无 \nkVideoDeviceLost | 设备拔出 | 无 \n \nType declaration\n\n * kVideoDeviceActive\n\n * kVideoDeviceLost\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNConnectionDisconnectedInfo" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNConnectionDisconnectedInfo\n\n# QNConnectionDisconnectedInfo\n\n最近更新时间: 2022-03-28 23:01:49\n\n房间断开时的相关信息\n\nIndex\n\nProperties\n\n * reason\n * error_code\n * error_message\n\nEnum\n\n * Reason\n\nProperties\n\nreason\n\n * reason: Reason\n * 获取用户房间断开的原因\n\ncode | describe | message \n---|---|--- \nkLeave | 主动退出 | 无 \nkKickOut | 被服务端踢出房间 | 无 \nkRoomClosed | 房间被管理员关闭 | 请确认房间管理逻辑 \nkRoomFull | 房间人数已满，当房间已加入人数超过房间的人数限制时触发 | 请确认后台服务的设置 \nkRoomError | 异常断开 | 可通过 error code 查看异常断开的原因 \n\nerror_code\n\n * error_code: int\n * 错误码\n\ncode | describe | message \n---|---|--- \nQNRTC_OK | 主动退出房间 | 无 \nErr_Auth_Failed | 加入房间认证失败 | 服务验证时出错，可能为服务网络异常。建议重新尝试加入房间 \nErr_Token_Error | 房间 Token 错误 | 表示您提供的房间 token 不符合七牛 token 签算规则, 详情请参考[RoomToken 签发服务](https://doc.qnsdk.com/rtn/docs/server_overview#1) \nErr_Token_Expired | 房间 Token 过期 | 表示您的房间 token 过期, 需要重新生成 token 再加入 \nErr_User_Already_Exist | 房间内已经有同名用户 | 后台如果配置为开启“禁止自动踢人”,则同一用户重复加入/未正常退出再加入会触发此错误 \nErr_Media_Not_Support | 媒体协商失败 | 表示该设备不支持指定的音视频格式，无法进行连麦的操作 \nErr_Fatal | 非预期错误 | 表示 RTC 生命周期异常，需要释放资源并重新初始化 \nErr_Reconnect_Failed | 内部重连失效 | 内部重连后出错，一般出现在网络非常不稳定时出现，建议提示用户并尝试重新加入房间。当发生该错误时，之前创建的转推任务将被服务销毁，如有需要，应在下次成功加入房间后按业务需要恢复 \n\nerror_message\n\n * error_message: string\n * 获取错误信息的文字描述\n\nEnum\n\nReason\n\n * Type declaration\n\n * kLeave\n\n * kKickOut\n\n * kRoomClosed\n\n * kRoomFull\n\n * kRoomError\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNMediaRelayConfiguration" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNMediaRelayConfiguration\n\n# QNMediaRelayConfiguration\n\n最近更新时间: 2022-03-28 23:03:38\n\n跨房媒体转发配置信息\n\nIndex\n\nProperties\n\n * src_room_info\n * dest_room_infos\n\nProperties\n\nsrc_room_info\n\n * src_room_info: [QNMediaRelayInfo](https://developer.qiniu.com/rtc/11276/QNMediaRelayConfiguration-Linux/11277/QNMediaRelayInfo-Linux)\n * 源房间信息\n\ndest_room_infos\n\n * dest_room_infos: std::vector<QNMediaRelayInfo>\n * 目标房间信息\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNCameraEventListener" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNCameraEventListener\n\n# QNCameraEventListener\n\n最近更新时间: 2022-03-28 23:04:31\n\n摄像头开启，采集异常通知\n\nIndex\n\nCore Methods\n\n * OnCameraError\n\nCore Methods\n\nOnCameraError\n\n * virtual void OnCameraError(int error_code, const std::string& error_message)\n * 相机失败回调\n\nParameters\n\n * error_code: int \n\n详见错误码\n[QNErrorCode](https://developer.qiniu.com/rtc/11194/QNCameraEventListener-\nLinux/11369/error-code-linux)\n\n * error_message: string \n\n错误描述\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNRemoteAudioTrack" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNRemoteAudioTrack\n\n# QNRemoteAudioTrack\n\n最近更新时间: 2022-03-28 23:06:54\n\n音频远端 Track 类\n\nHierarchy\n\n * [QNTrack](https://developer.qiniu.com/rtc/11212/QNRemoteAudioTrack-Linux/11222/QNTrack-Linux)\n * [QNLocalTrack](https://developer.qiniu.com/rtc/11212/QNRemoteAudioTrack-Linux/11208/QNLocalTrack-Linux)\n * [QNLocalVideoTrack](https://developer.qiniu.com/rtc/11212/QNRemoteAudioTrack-Linux/11209/QNLocalVideoTrack-Linux)\n * [QNCameraVideoTrack](https://developer.qiniu.com/rtc/11212/QNRemoteAudioTrack-Linux/11198/QNCameraVideoTrack-Linux)\n * [QNCustomVideoTrack](https://developer.qiniu.com/rtc/11212/QNRemoteAudioTrack-Linux/11205/QNCustomVideoTrack-Linux)\n * [QNLocalAudioTrack](https://developer.qiniu.com/rtc/11212/QNRemoteAudioTrack-Linux/11207/QNLocalAudioTrack-Linux)\n * [QNMicrophoneAudioTrack](https://developer.qiniu.com/rtc/11212/QNRemoteAudioTrack-Linux/11210/QNMicrophoneAudioTrack-Linux)\n * [QNCustomAudioTrack](https://developer.qiniu.com/rtc/11212/QNRemoteAudioTrack-Linux/11203/QNCustomAudioTrack-Linux)\n * [QNRemoteTrack](https://developer.qiniu.com/rtc/11212/QNRemoteAudioTrack-Linux/11213/QNRemoteTrack-Linux)\n * [QNRemoteVideoTrack](https://developer.qiniu.com/rtc/11212/QNRemoteAudioTrack-Linux/11215/QNRemoteVideoTrack-Linux)\n * QNRemoteAudioTrack \n\nIndex\n\nCore Methods\n\n * GetTrackID\n * GetUserID\n * GetTag\n * IsAudio\n * IsVideo\n * IsMuted\n * SetTrackInfoChangedListener\n * IsSubscribed\n * SetAudioFrameListener\n * SetVolume\n * GetVolumeLevel\n\nCore Methods\n\nGetTrackID\n\n * virtual const std::string& GetTrackID() = 0\n * 获取 TrackID\n\nReturns string\n\nGetUserID\n\n * virtual const std::string& GetUserID() = 0\n * 获取 UserID\n\nReturns string\n\nGetTag\n\n * virtual const std::string& GetTag() = 0\n * 获取 Tag\n\nReturns string\n\nIsAudio\n\n * virtual bool IsAudio() = 0\n * 是否为音频 track\n\nReturns bool\n\nIsVideo\n\n * virtual bool IsVideo() = 0\n * 是否为视频 track\n\nReturns bool\n\nIsMuted\n\n * virtual bool IsMuted() = 0\n * 是否 muted\n\nReturns bool\n\nSetTrackInfoChangedListener\n\n * virtual void SetTrackInfoChangedListener([QNTrackInfoChangedListener](https://developer.qiniu.com/rtc/11212/QNRemoteAudioTrack-Linux/11223/QNTrackInfoChangedListener-Linux)* listener) = 0\n * 设置当前轨道信息变化监听器\n\nParameters\n\n * listener: [QNTrackInfoChangedListener](https://developer.qiniu.com/rtc/11212/QNRemoteAudioTrack-Linux/11223/QNTrackInfoChangedListener-Linux)\n\n轨道信息变化监听器\n\nIsSubscribed\n\n * virtual bool IsSubscribed() = 0;\n * 该 Track 是否被订阅\n\nReturns bool\n\nSetAudioFrameListener\n\n * virtual void SetAudioFrameListener([QNAudioFrameListener](https://developer.qiniu.com/rtc/11212/QNRemoteAudioTrack-Linux/11189/QNAudioFrameListener-Linux)* listener) = 0\n * 设置是音频数据监听\n\nParameters\n\n * listener: [QNAudioFrameListener](https://developer.qiniu.com/rtc/11212/QNRemoteAudioTrack-Linux/11189/QNAudioFrameListener-Linux)\n\n音频数据监听接口\n\nSetVolume\n\n * virtual void SetVolume(double volume) = 0\n * 设置远端音频音量（不改变系统设备的音量）\n\nParameters\n\n * volume: double \n\n音量大小，[1.0-10.0], 默认为 1.0\n\nGetVolumeLevel\n\n * virtual float GetVolumeLevel() = 0\n * 获取音频播放音量\n\nReturns float\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNNetworkGrade" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNNetworkGrade\n\n# QNNetworkGrade\n\n最近更新时间: 2022-03-23 14:05:14\n\n网络状态\n\nIndex\n\nProperties\n\n * kINVALID\n * kEXCELLENT\n * kGOOD\n * kFAIR\n * kPOOR\n\nProperties\n\nkINVALID\n\n * kINVALID: QNNetworkGrade\n * 当前网络未知\n\nkEXCELLENT\n\n * kEXCELLENT: QNNetworkGrade\n * 当前网络优秀\n\nkGOOD\n\n * kGOOD: QNNetworkGrade\n * 当前网络良好\n\nkFAIR\n\n * kFAIR: QNNetworkGrade\n * 当前网络一般\n\nkPOOR\n\n * kPOOR: QNNetworkGrade\n * 当前网络较差\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNRemoteAudioTrackStats" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNRemoteAudioTrackStats\n\n# QNRemoteAudioTrackStats\n\n最近更新时间: 2022-03-23 14:09:47\n\n订阅远端的音频统计信息\n\nIndex\n\nProperties\n\n * downlink_bitrate\n * downlink_lostrate\n * uplink_rtt\n * uplink_lostrate\n\nProperties\n\ndownlink_bitrate\n\n * downlink_bitrate: int32_t\n * 下行音频码率\n\ndownlink_lostrate\n\n * downlink_lostrate: int32_t\n * 下行网络丢包率\n\nuplink_rtt\n\n * uplink_rtt: int32_t\n * 上行网络 rtt\n\nuplink_lostrate\n\n * uplink_lostrate: int32_t\n * 上行网络丢包率\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNTrackProfile" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNTrackProfile\n\n# QNTrackProfile\n\n最近更新时间: 2022-03-23 14:19:14\n\nTrack 质量等级\n\nIndex\n\nEnum\n\n * QNTrackProfile\n\nEnum\n\nQNTrackProfile\n\n * code | describe | message \n---|---|--- \nkHigh | 高质量 | 无 \nkMedium | 普通质量 | 无 \nkLow | 低质量 | 无 \n \nType declaration\n\n * kHigh\n\n * kMedium\n\n * kLow\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNNetworkQuality" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNNetworkQuality\n\n# QNNetworkQuality\n\n最近更新时间: 2022-03-28 23:10:44\n\n网络上下行质量\n\nIndex\n\nProperties\n\n * uplink_network_grade\n * downlink_network_grade\n\nProperties\n\nuplink_network_grade\n\n * uplink_network_grade: [QNNetworkGrade](https://developer.qiniu.com/rtc/11281/QNNetworkQuality-Linux/11280/QNNetworkGrade-Linux)\n * 当前网络上行质量\n\ndownlink_network_grade\n\n * downlink_network_grade: [QNNetworkGrade](https://developer.qiniu.com/rtc/11281/QNNetworkQuality-Linux/11280/QNNetworkGrade-Linux)\n * 当前网络下行质量\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNPublishResultCallback" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNPublishResultCallback\n\n# QNPublishResultCallback\n\n最近更新时间: 2022-03-23 14:08:11\n\n发布结果回调接口\n\nIndex\n\nCore Methods\n\n * OnPublished\n * OnPublishError\n\nCore Methods\n\nOnPublished\n\n * virtual void OnPublished() = 0\n * 发布成功后触发此回调\n\nOnPublishError\n\n * virtual void OnPublishError(int error_code, const std::string& error_message) = 0\n * 发布成功后触发此回调\n\nParameters\n\n * error_code: int \n\n错误码\n\n * error_message: string \n\n错误消息\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNRemoteVideoTrack" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNRemoteVideoTrack\n\n# QNRemoteVideoTrack\n\n最近更新时间: 2022-03-28 23:20:04\n\n视频远端 Track 类\n\nHierarchy\n\n * [QNTrack](https://developer.qiniu.com/rtc/11215/QNRemoteVideoTrack-Linux/11222/QNTrack-Linux)\n * [QNLocalTrack](https://developer.qiniu.com/rtc/11215/QNRemoteVideoTrack-Linux/11208/QNLocalTrack-Linux)\n * [QNLocalVideoTrack](https://developer.qiniu.com/rtc/11215/QNRemoteVideoTrack-Linux/11209/QNLocalVideoTrack-Linux)\n * [QNCameraVideoTrack](https://developer.qiniu.com/rtc/11215/QNRemoteVideoTrack-Linux/11198/QNCameraVideoTrack-Linux)\n * [QNCustomVideoTrack](https://developer.qiniu.com/rtc/11215/QNRemoteVideoTrack-Linux/11205/QNCustomVideoTrack-Linux)\n * [QNLocalAudioTrack](https://developer.qiniu.com/rtc/11215/QNRemoteVideoTrack-Linux/11207/QNLocalAudioTrack-Linux)\n * [QNMicrophoneAudioTrack](https://developer.qiniu.com/rtc/11215/QNRemoteVideoTrack-Linux/11210/QNMicrophoneAudioTrack-Linux)\n * [QNCustomAudioTrack](https://developer.qiniu.com/rtc/11215/QNRemoteVideoTrack-Linux/11203/QNCustomAudioTrack-Linux)\n * [QNRemoteTrack](https://developer.qiniu.com/rtc/11215/QNRemoteVideoTrack-Linux/11213/QNRemoteTrack-Linux)\n * QNRemoteVideoTrack \n * [QNRemoteAudioTrack](https://developer.qiniu.com/rtc/11215/QNRemoteVideoTrack-Linux/11212/QNRemoteAudioTrack-Linux)\n\nIndex\n\nCore Methods\n\n * GetTrackID\n * GetUserID\n * GetTag\n * IsAudio\n * IsVideo\n * IsMuted\n * SetTrackInfoChangedListener\n * IsSubscribed\n * SetVideoFrameListener\n * IsMultiProfileEnabled\n * SetProfile\n\nCore Methods\n\nGetTrackID\n\n * virtual const std::string& GetTrackID() = 0\n * 获取 TrackID\n\nReturns string\n\nGetUserID\n\n * virtual const std::string& GetUserID() = 0\n * 获取 UserID\n\nReturns string\n\nGetTag\n\n * virtual const std::string& GetTag() = 0\n * 获取 Tag\n\nReturns string\n\nIsAudio\n\n * virtual bool IsAudio() = 0\n * 是否为音频 track\n\nReturns bool\n\nIsVideo\n\n * virtual bool IsVideo() = 0\n * 是否为视频 track\n\nReturns bool\n\nIsMuted\n\n * virtual bool IsMuted() = 0\n * 是否 muted\n\nReturns bool\n\nSetTrackInfoChangedListener\n\n * virtual void SetTrackInfoChangedListener([QNTrackInfoChangedListener](https://developer.qiniu.com/rtc/11215/QNRemoteVideoTrack-Linux/11223/QNTrackInfoChangedListener-Linux)* listener) = 0\n * 设置当前轨道信息变化监听器\n\nParameters\n\n * listener: [QNTrackInfoChangedListener](https://developer.qiniu.com/rtc/11215/QNRemoteVideoTrack-Linux/11223/QNTrackInfoChangedListener-Linux)\n\n轨道信息变化监听器\n\nIsSubscribed\n\n * virtual bool IsSubscribed() = 0;\n * 该 Track 是否被订阅\n\nReturns bool\n\nSetVideoFrameListener\n\n * virtual void SetVideoFrameListener([QNVideoFrameListener](https://developer.qiniu.com/rtc/11215/QNRemoteVideoTrack-Linux/11226/QNVideoFrameListener-Linux)* listener) = 0\n * 设置视频数据监听\n\nParameters\n\n * listener: [QNVideoFrameListener](https://developer.qiniu.com/rtc/11215/QNRemoteVideoTrack-Linux/11226/QNVideoFrameListener-Linux)\n\n视频数据监听接口\n\nIsMultiProfileEnabled\n\n * virtual bool IsMultiProfileEnabled() = 0\n * 获取当前 track 是否开启了大小流发布\n\nReturns bool\n\nSetProfile\n\n * virtual void SetProfile([QNTrackProfile](https://developer.qiniu.com/rtc/11215/QNRemoteVideoTrack-Linux/11293/QNTrackProfile-Linux) profile) = 0\n * 设置当前视频轨道质量等级\n\nParameters\n\n * profile: [QNTrackProfile](https://developer.qiniu.com/rtc/11215/QNRemoteVideoTrack-Linux/11293/QNTrackProfile-Linux)\n\n视频质量\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNCameraDeviceInfo" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNCameraDeviceInfo\n\n# QNCameraDeviceInfo\n\n最近更新时间: 2022-03-28 23:21:50\n\n摄像头设备信息\n\nIndex\n\nProperties\n\n * id\n * name\n * capabilities\n\nProperties\n\nid\n\n * id: string\n * 设备 Id，用于系统内做标识\n\nname\n\n * name: string\n * 设备名\n\ncapabilities\n\n * capabilities: std::vector<[QNCameraCapability](https://developer.qiniu.com/rtc/11193/QNCameraDeviceInfo-Linux/11258/QNCameraCapability-Linux)>\n * 此摄像头所支持的采集能力列表\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNMicrophoneAudioTrackConfig" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNMicrophoneAudioTrackConfig\n\n# QNMicrophoneAudioTrackConfig\n\n最近更新时间: 2022-03-28 23:23:21\n\n麦克风音频采集 Track 的配置\n\nIndex\n\nProperties\n\n * audio_quality\n * tag\n\nProperties\n\naudio_quality\n\n * audio_quality: [QNAudioQuality](https://developer.qiniu.com/rtc/11211/QNMicrophoneAudioTrackConfig-Linux/11190/QNAudioQuality-Linux)\n * 设置音频质量\n\ntag\n\n * tag: string\n * 自定义标签\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNTransportPolicy" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNTransportPolicy\n\n# QNTransportPolicy\n\n最近更新时间: 2022-03-23 14:22:05\n\n媒体传输协议配置\n\nIndex\n\nEnum\n\n * QNTransportPolicy\n\nEnum\n\nQNTransportPolicy\n\n * code | describe | message \n---|---|--- \nkForceUDP | 强制 UDP | 无 \nkForceTCP | 强制 TCP | 无 \nkPreferUDP | 优先 UDP | 默认为 kPreferUDP，当用户网络下 UDP 不通时，SDK 自动降级使用 TCP \n \nType declaration\n\n * kForceUDP\n\n * kForceTCP\n\n * kPreferUDP\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNClientRole" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNClientRole\n\n# QNClientRole\n\n最近更新时间: 2022-03-28 23:24:53\n\n角色类型，当前仅适用于互动直播场景，通过\n[QNRTCClient.SetClientRole](https://developer.qiniu.com/rtc/11263/QNClientRole-\nLinux/11288) 来进行设置\n\nIndex\n\nProperties\n\n * kBroadcaster\n * kAudience\n\nProperties\n\nkBroadcaster\n\n * kBroadcaster: QNClientRole\n * 主播角色，拥有发布和订阅媒体流的权限，仅适用于互动直播场景\n\nkAudience\n\n * kAudience: QNClientRole\n * 观众角色，仅有订阅媒体流的权限，仅适用于互动直播场景\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNFocusCoordinates" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNFocusCoordinates\n\n# QNFocusCoordinates\n\n最近更新时间: 2022-03-23 13:54:54\n\n焦点坐标信息\n\nIndex\n\nProperties\n\n * x\n * y\n * width\n * height\n\nProperties\n\nx\n\n * x: float\n * 焦点 x 坐标\n\ny\n\n * y: float\n * 焦点 y 坐标\n\nwidth\n\n * width: int\n * 焦点 width\n\nheight\n\n * height: int\n * 焦点 height\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNLiveStreamingErrorInfo" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNLiveStreamingErrorInfo\n\n# QNLiveStreamingErrorInfo\n\n最近更新时间: 2022-03-23 13:56:54\n\nCDN 转推结果信息\n\nIndex\n\nProperties\n\n * type\n * code\n * message\n\nEnum\n\n * Type\n\nProperties\n\ntype\n\n * type: Type\n * 转推类型\n\ncode | describe | message \n---|---|--- \nkStart | 开始转推 | 无 \nkStop | 停止转推 | 无 \nkUpdate | 更新转推 track | 无 \n\ncode\n\n * code: int32_t\n * 错误码\n\nmessage\n\n * message: string\n * 错误信息\n\nEnum\n\nType\n\n * Type declaration\n\n * kStart\n\n * kStop\n\n * kUpdate\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNTrack" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNTrack\n\n# QNTrack\n\n最近更新时间: 2022-03-28 23:26:10\n\n音视频 Track 基类\n\nHierarchy\n\n * QNTrack \n * [QNLocalTrack](https://developer.qiniu.com/rtc/11222/QNTrack-Linux/11208/QNLocalTrack-Linux)\n * [QNLocalVideoTrack](https://developer.qiniu.com/rtc/11222/QNTrack-Linux/11209/QNLocalVideoTrack-Linux)\n * [QNCameraVideoTrack](https://developer.qiniu.com/rtc/11222/QNTrack-Linux/11198/QNCameraVideoTrack-Linux)\n * [QNCustomVideoTrack](https://developer.qiniu.com/rtc/11222/QNTrack-Linux/11205/QNCustomVideoTrack-Linux)\n * [QNLocalAudioTrack](https://developer.qiniu.com/rtc/11222/QNTrack-Linux/11207/QNLocalAudioTrack-Linux)\n * [QNMicrophoneAudioTrack](https://developer.qiniu.com/rtc/11222/QNTrack-Linux/11210/QNMicrophoneAudioTrack-Linux)\n * [QNCustomAudioTrack](https://developer.qiniu.com/rtc/11222/QNTrack-Linux/11203/QNCustomAudioTrack-Linux)\n * [QNRemoteTrack](https://developer.qiniu.com/rtc/11222/QNTrack-Linux/11213/QNRemoteTrack-Linux)\n * [QNRemoteVideoTrack](https://developer.qiniu.com/rtc/11222/QNTrack-Linux/11215/QNRemoteVideoTrack-Linux)\n * [QNRemoteAudioTrack](https://developer.qiniu.com/rtc/11222/QNTrack-Linux/11212/QNRemoteAudioTrack-Linux)\n\nIndex\n\nCore Methods\n\n * GetTrackID\n * GetUserID\n * GetTag\n * IsAudio\n * IsVideo\n * IsMuted\n\nCore Methods\n\nGetTrackID\n\n * virtual const std::string& GetTrackID() = 0\n * 获取 TrackID\n\nReturns string\n\nGetUserID\n\n * virtual const std::string& GetUserID() = 0\n * 获取 UserID\n\nReturns string\n\nGetTag\n\n * virtual const std::string& GetTag() = 0\n * 获取 Tag\n\nReturns string\n\nIsAudio\n\n * virtual bool IsAudio() = 0\n * 是否为音频 track\n\nReturns bool\n\nIsVideo\n\n * virtual bool IsVideo() = 0\n * 是否为视频 track\n\nReturns bool\n\nIsMuted\n\n * virtual bool IsMuted() = 0\n * 是否 muted\n\nReturns bool\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNMediaRelayListener" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNMediaRelayListener\n\n# QNMediaRelayListener\n\n最近更新时间: 2022-03-28 23:27:25\n\n跨房媒体转发回调接口，可通过调用\n[QNRTCClient.StartMediaRelay](https://developer.qiniu.com/rtc/11278/QNMediaRelayListener-\nLinux/11288) 等方法传入\n\nIndex\n\nCore Methods\n\n * OnMediaRelayResult\n * OnMediaRelayError\n\nCore Methods\n\nOnMediaRelayResult\n\n * virtual void OnMediaRelayResult(std::map<std::string, QNMediaRelayState> state_map) = 0\n * 跨房媒体转发操作成功\n\n> 注意：此接口回调的是全量的跨房状态，包含所有跨房目标。具体每个目标房间是否转发成功，需要参考回调参数中目标房间对应的\n> [QNMediaRelayState](https://developer.qiniu.com/rtc/11278/QNMediaRelayListener-\n> Linux/11279/QNMediaRelayState-Linux)\n\nParameters\n\n * state_map: Map<String, [QNMediaRelayState](https://developer.qiniu.com/rtc/11278/QNMediaRelayListener-Linux/11279/QNMediaRelayState-Linux)>\n\n具体目标房间状态， key 为房间名， value 为状态\n\nOnMediaRelayError\n\n * virtual void OnMediaRelayError(int error_code, const std::string& error_message) = 0\n * 接口失败回调\n\ncode | describe | message \n---|---|--- \nErr_Invalid_Client_Mode | 使用场景不符 | 请确认当前场景为互动直播，通信场景不支持角色设置 \nErr_Invalid_Client_Role | 用户角色不符 | 请确认当前角色为主播，观众角色不支持跨房媒体转发 \nErr_Relay_Token_Invalid | Token 验证失败 | 请确认 Token 是否正确 \n \nParameters\n\n * error_code: int \n\n错误码\n\n * error_message: string \n\n错误描述\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNTranscodingLiveStreamingImage" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNTranscodingLiveStreamingImage\n\n# QNTranscodingLiveStreamingImage\n\n最近更新时间: 2022-03-23 14:20:46\n\n合流背景、水印配置参数\n\nIndex\n\nProperties\n\n * layer_url\n * x\n * y\n * layer_width\n * layer_height\n\nProperties\n\nlayer_url\n\n * layer_url: string\n * 合流背景、水印图片 http 网路地址\n\nx\n\n * x: int\n * 在合流画面中的 x 坐标\n\ny\n\n * y: int\n * 在合流画面中的 y 坐标\n\nlayer_width\n\n * layer_width: int\n * 该图片占宽\n\nlayer_height\n\n * layer_height: int\n * 该图片占高\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNRemoteUser" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNRemoteUser\n\n# QNRemoteUser\n\n最近更新时间: 2022-03-28 23:31:36\n\n远端用户信息\n\nIndex\n\nProperties\n\n * user_id\n * user_data\n * remote_audio_track_list\n * remote_video_track_list\n\nProperties\n\nuser_id\n\n * user_id: string\n * 远端用户的 userID\n\nuser_data\n\n * user_data: string\n * 远端用户数据\n\nremote_audio_track_list\n\n * remote_audio_track_list: std::list<[QNRemoteAudioTrack*](https://developer.qiniu.com/rtc/11214/QNRemoteUser-Linux/undefined)>\n * 远端用户发布的音频 track 列表\n\nremote_video_track_list\n\n * remote_video_track_list: std::list<[QNRemoteVideoTrack*](https://developer.qiniu.com/rtc/11214/QNRemoteUser-Linux/undefined)>\n * 远端用户发布的视频 track 列表\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNNetworkQualityListener" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNNetworkQualityListener\n\n# QNNetworkQualityListener\n\n最近更新时间: 2022-03-28 23:32:18\n\n网络状态监听\n\nIndex\n\nCore Methods\n\n * OnNetworkQualityNotified\n\nCore Methods\n\nOnNetworkQualityNotified\n\n * virtual void OnNetworkQualityNotified(const [QNNetworkQuality](https://developer.qiniu.com/rtc/11282/QNNetworkQualityListener-Linux/11281/QNNetworkQuality-Linux)& quality) = 0\n * 近端网络状态回调\n\nParameters\n\n * quality: [QNNetworkQuality](https://developer.qiniu.com/rtc/11282/QNNetworkQualityListener-Linux/11281/QNNetworkQuality-Linux)\n\n网络质量\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNRTCEventListener" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNRTCEventListener\n\n# QNRTCEventListener\n\n最近更新时间: 2022-03-28 23:35:16\n\nQNRTC 全局事件回调接口，用来监听设备相关的回调事件。可以在 QNRTC 的初始化函数 QNRTC.init 中传入。\n\nIndex\n\nCore Methods\n\n * OnVideoDeviceStateChanged\n * OnAudioDeviceStateChanged\n\nCore Methods\n\nOnVideoDeviceStateChanged\n\n * virtual void OnVideoDeviceStateChanged([QNVideoDeviceState](https://developer.qiniu.com/rtc/11217/QNRTCEventListener-Linux/11298/QNVideoDeviceState-Linux) device_state, const std::string& device_name)\n * 摄像头插拔消息通知\n\nParameters\n\n * device_state: [QNVideoDeviceState](https://developer.qiniu.com/rtc/11217/QNRTCEventListener-Linux/11298/QNVideoDeviceState-Linux)\n\n摄像头设备状态\n\n * device_name: string \n\n摄像头设备名\n\nOnAudioDeviceStateChanged\n\n * virtual void OnAudioDeviceStateChanged([QNAudioDeviceState](https://developer.qiniu.com/rtc/11217/QNRTCEventListener-Linux/11257/QNAudioDeviceState-Linux) device_state, const std::string& device_guid)\n * 音频设备插拔消息通知\n\nParameters\n\n * device_state: [QNAudioDeviceState](https://developer.qiniu.com/rtc/11217/QNRTCEventListener-Linux/11257/QNAudioDeviceState-Linux)\n\n设备状态设备状态\n\n * device_guid: string \n\n音频设备 id\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNAudioDevice" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux >QNAudioDevice\n\n# QNAudioDevice\n\n最近更新时间: 2022-03-23 13:35:50\n\n音频设备类型\n\nIndex\n\nEnum\n\n * QNAudioDevice\n\nEnum\n\nQNAudioDevice\n\n * code | describe | message \n---|---|--- \nSPEAKER_PHONE | 扬声器 | 无 \nEARPIECE | 听筒 | 无 \nWIRED_HEADSET | 有线耳机 | 无 \nBLUETOOTH | 蓝牙 | 无 \nNONE | 无音频设备 | 无 \n \nType declaration\n\n * SPEAKER_PHONE\n\n * EARPIECE\n\n * WIRED_HEADSET\n\n * BLUETOOTH\n\n * NONE\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNAudioFrameListener" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNAudioFrameListener\n\n# QNAudioFrameListener\n\n最近更新时间: 2022-03-21 20:52:34\n\n音频数据回调接口\n\nIndex\n\nCore Methods\n\n * OnAudioFrame\n\nCore Methods\n\nOnAudioFrame\n\n * virtual void OnAudioFrame(const string& user_id,const string& track_id,const uint8_t* data, uint32_t data_size,uint32_t bits_per_sample, uint32_t sample_rate,uint32_t channels) = 0\n * 音频数据回调\n\nParameters\n\n * user_id: string \n\n此音频数据所属的用户\n\n * track_id: string \n\n此音频 track id\n\n * data: uint8_t* \n\n音频数据内存指针\n\n * data_size: uint32_t \n\n数据长度\n\n * bits_per_sample: uint32_t \n\n位宽，即每个采样点占用位数\n\n * sample_rate: uint32_t \n\n采样率\n\n * channels: uint32_t \n\n声道数\n\n以上内容是否对您有帮助？\n\n" } ]

[ { "from": "human", "value": "如何处理七牛云的实时音视频QNCameraVideoTrackConfig" }, { "from": "gpt", "value": "[实时音视频](https://developer.qiniu.com/rtc) > API 文档 > Linux\n>QNCameraVideoTrackConfig\n\n# QNCameraVideoTrackConfig\n\n最近更新时间: 2022-03-28 23:36:23\n\n摄像头视频采集 Track 的配置\n\nIndex\n\nProperties\n\n * encoder_config\n * capture_config\n * id\n * tag\n * multi_profile_enabled\n * camera_facing\n\nProperties\n\nencoder_config\n\n * encoder_config: [QNVideoEncoderConfig](https://developer.qiniu.com/rtc/11201/QNCameraVideoTrackConfig-Linux/11225/QNVideoEncoderConfig-Linux)\n * 设置摄像头采集数据编码参数\n\ncapture_config\n\n * capture_config: [QNVideoCaptureConfig](https://developer.qiniu.com/rtc/11201/QNCameraVideoTrackConfig-Linux/undefined)\n * 设置摄像头采集参数\n\nid\n\n * id: string\n * 设备 id\n\ntag\n\n * tag: string\n * 自定义标签\n\nmulti_profile_enabled\n\n * multi_profile_enabled: bool\n * 是否开启多流\n\ncamera_facing\n\n * camera_facing: [QNCameraFacing](https://developer.qiniu.com/rtc/11201/QNCameraVideoTrackConfig-Linux/11259/QNCameraFacing-Linux)\n * 设置前后置摄像头（仅适用于 Android 和 iOS）\n\n以上内容是否对您有帮助？\n\n" } ]