Reports the statistics of the current call. The SDK triggers this callback once every two seconds after the user joins the channel.

Reports events during the RTMP streaming. * * @since v3.1.0 * * @param url The RTMP streaming URL. * @param eventCode The event code. See #R

Occurs when the state of the RTMP streaming changes. The SDK triggers this callback to report the result of the local user calling the \ref ar::rt

Returns the result of the \ref ar::rtm::IChannel::sendMessage "sendMessage" method call. @param messageId The ID of the sent channel message.

Reports the result of the \ref ar::rtm::IRtmService::sendMessageToPeer "sendMessageToPeer" method call. @param messageId The ID of the sent me

Reports the result of the \ref ar::rtm::IRtmService::setChannelAttributes "setChannelAttributes" method call. @param requestId The unique ID o

Reports the result of the \ref ar::rtm::IRtmService::setLocalUserAttributes "setLocalUserAttributes" method call. @param requestId The unique

Occurs when a voice or video stream URL address is added to a live broadcast. @param url Pointer to the URL address of the externally injected st

virtual void onStreamError(int streamId, int code, int parameter, const char* message, size_t length) {} Occurs when the local user receives the data

Occurs when the local user does not receive the data stream from the remote user within five seconds. The SDK triggers this callback when the lo

@deprecated This method is deprecated, use the \ref ar::rtc::IRtcEngineEventHandler::onRtmpStreamingStateChanged "onRtmpStreamingStateChanged" callbac

Reports the result of calling the \ref ar::rtc::IRtcEngine::removePublishStreamUrl "removePublishStreamUrl" method. (CDN live only.) This callba

Returns the result of the \ref ar::rtm::IRtmService::subscribePeersOnlineStatus "subscribePeersOnlineStatus" or \ref ar::rtm::IRtmService::unsubscribe

Occurs when the RTM server detects that the RTM token has exceeded the 24-hour validity period and when the SDK is in the \ref ar::rtm::CONNECTION_STA

Occurs when the token expires in 30 seconds. The user becomes offline if the token used in the \ref IRtcEngine::joinChannel "joinChannel" method

Occurs when the publisher's transcoding is updated. * * When the `LiveTranscoding` class in the \ref ar::rtc::IRtcEngine::setLiveTranscoding "setL

Occurs when a specified remote user enables/disables the local video * capturing function. * * @deprecated * This callback is depr

Occurs when a specific remote user enables/disables the video * module. * * @deprecated * This callback is deprecated and replaced

Occurs when the SDK gets the user ID and user account of the remote user. After a remote user joins the channel, the SDK gets the UID and user a

Occurs when a remote user (Communication)/ host (Live Broadcast) joins the channel. - Communication profile: This callback notifies the applicat

@deprecated This method is deprecated from v3.0.0, use the \ref ar::rtc::IRtcEngineEventHandler::onRemoteAudioStateChanged "onRemoteAudioStateChanged"

Occurs when a remote user's video stream playback pauses/resumes. * * You can also use the * \ref onRemoteVideoStateChanged() "onRemote

Occurs when a remote user (Communication)/host (Live Broadcast) leaves the channel. Reasons why the user is offline: - Leave the channel: Wh

Occurs when the video device state changes. @note On a Windows device with an external camera for video capturing, the video disables once the e

Occurs when the video publishing state changes. * * @since v3.1.0 * * This callback indicates the publishing state change of the l

Occurs when the video size or rotation of a specified user changes. @param uid User ID of the remote user or local user (0) whose video size or

DEPRECATED** Occurs when the video stops playing. The application can use this callback to change the configuration of the view (for example, di

Occurs when the audio subscribing state changes. * * @since v3.1.0 * * This callback indicates the subscribing state change of a r

Reports a warning during SDK runtime. In most cases, the application can ignore the warning reported by the SDK because the SDK can usually fix

For

DEPRECATED** Use \ref IRtcEngine::disableAudio "disableAudio" instead. Disables the audio function in the channel. @return - 0: Success.

Sets the instantaneous playback position of specified audio effect file. @param soundId ID of the audio effect. Each audio effect has a unique ID.