API Overview
Agora provides ensured quality of experience (QoE) for worldwide Internet-based voice and video communications through SD-RTN™.
Initialization related
| Method / Callback | Description |
|---|---|
| create [1/2] | Creates and initializes RtcEngine. |
| create [2/2] | Creates and initializes RtcEngine. |
| destroy | Releases the RtcEngine instance. |
Channel related
| Method / Callback | Description |
|---|---|
| setChannelProfile | Sets the channel profile. |
| joinChannel [1/2] | Joins a channel. |
| joinChannel [2/2] | Joins a channel with media options. |
| joinChannelEx | Joins a channel. |
| updateChannelMediaOptions | Updates the channel media options after joining the channel. |
| updateChannelMediaOptionsEx | Updates the channel media options after joining the channel. |
| leaveChannel [1/2] | Leaves a channel. |
| leaveChannelEx [1/2] | Leaves a channel. |
| leaveChannel [2/2] | Sets channel options and leaves the channel. |
| leaveChannelEx [2/2] | Sets channel options and leaves the channel. |
| preloadChannel | Preloads a channel with token, channelName, and optionalUid. |
| preloadChannelWithUserAccount | Preloads a channel with token, channelName, and userAccount. |
| updatePreloadChannelToken | Updates the wildcard token for preloading channels. |
| renewToken | Renews the token. |
| setClientRole [1/2] | Sets the client role. |
| setClientRole [2/2] | Set the user role and the audience latency level in a live streaming scenario. |
| onJoinChannelSuccess | Occurs when a user joins a channel. |
| onRejoinChannelSuccess | Occurs when a user rejoins the channel. |
| onClientRoleChanged | Occurs when the user role or the audience latency level changes. |
| onClientRoleChangeFailed | Occurs when switching a user role fails. |
| onLeaveChannel | Occurs when a user leaves a channel. |
| onUserJoined | Occurs when a remote user (in the communication profile)/ host (in the live streaming profile) joins the channel. |
| onUserOffline | Occurs when a remote user (in the communication profile)/ host (in the live streaming profile) leaves the channel. |
| onNetworkTypeChanged | Occurs when the local network type changes. |
| onUplinkNetworkInfoUpdated | Occurs when the uplink network information changes. |
| onConnectionLost | Occurs when the SDK cannot reconnect to Agora's edge server 10 seconds after its connection to the server is interrupted. |
| onConnectionStateChanged | Occurs when the network connection state changes. |
| onRequestToken | Occurs when the token expires. |
| onTokenPrivilegeWillExpire | Occurs when the token expires in 30 seconds. |
| onError | Reports an error during SDK runtime. |
Publish and subscription
| Method / Callback | Description |
|---|---|
| muteLocalAudioStream | Stops or resumes publishing the local audio stream. |
| muteLocalAudioStreamEx | Stops or resumes publishing the local audio stream. |
| muteRemoteAudioStream | Stops or resumes subscribing to the audio stream of a specified user. |
| muteRemoteAudioStreamEx | Stops or resumes receiving the audio stream of a specified user. |
| muteAllRemoteAudioStreams | Stops or resumes subscribing to the audio streams of all remote users. |
| muteAllRemoteAudioStreamsEx | Stops or resumes subscribing to the audio streams of all remote users. |
| muteLocalVideoStream | Stops or resumes publishing the local video stream. |
| muteLocalVideoStreamEx | Stops or resumes publishing the local video stream. |
| muteRemoteVideoStream | Stops or resumes subscribing to the video stream of a specified user. |
| muteRemoteVideoStreamEx | Stops or resumes receiving the video stream of a specified user. |
| muteAllRemoteVideoStreams | Stops or resumes subscribing to the video streams of all remote users. |
| muteAllRemoteVideoStreamsEx | Stops or resumes subscribing to the video streams of all remote users. |
| setRemoteVideoSubscriptionOptions | Options for subscribing to remote video streams. |
| setRemoteVideoSubscriptionOptionsEx | Options for subscribing to remote video streams. |
| setSubscribeAudioBlocklist | Set the blocklist of subscriptions for audio streams. |
| setSubscribeAudioBlocklistEx | Set the blocklist of subscriptions for audio streams. |
| setSubscribeAudioAllowlist | Sets the allowlist of subscriptions for audio streams. |
| setSubscribeAudioAllowlistEx | Sets the allowlist of subscriptions for audio streams. |
| setSubscribeVideoBlocklist | Set the blocklist of subscriptions for video streams. |
| setSubscribeVideoBlocklistEx | Set the blocklist of subscriptions for video streams. |
| setSubscribeVideoAllowlist | Set the allowlist of subscriptions for video streams. |
| setSubscribeVideoAllowlistEx | Set the allowlist of subscriptions for video streams. |
| setRemoteVideoStreamType [2/2] | Sets the video stream type to subscribe to. |
| setRemoteVideoStreamTypeEx [2/2] | Sets the video stream type to subscribe to. |
| setRemoteDefaultVideoStreamType [2/2] | Sets the default video stream type to subscribe to. |
| setDualStreamMode [1/2] | Sets the dual-stream mode on the sender side. |
| setDualStreamMode [2/2] | Sets dual-stream mode configuration on the sender side. |
| setDualStreamModeEx | Sets the dual-stream mode on the sender side. |
| onAudioPublishStateChanged | Occurs when the audio publishing state changes. |
| onAudioSubscribeStateChanged | Occurs when the audio subscribing state changes. |
| onVideoSubscribeStateChanged | Occurs when the video subscribing state changes. |
Audio basic functions
| Method / Callback | Description |
|---|---|
| adjustUserPlaybackSignalVolume | Adjusts the playback signal volume of a specified remote user. |
| adjustUserPlaybackSignalVolumeEx | Adjusts the playback signal volume of a specified remote user. |
| adjustPlaybackSignalVolume | Adjusts the playback signal volume of all remote users. |
| enableAudio | Enables the audio module. |
| disableAudio | Disables the audio module. |
| enableAudioVolumeIndication | Enables the reporting of users' volume indication. |
| enableAudioVolumeIndicationEx | Enables the reporting of users' volume indication. |
| setAudioProfile [2/2] | Sets audio profiles. |
| setAudioScenario | Sets audio scenarios. |
| onAudioVolumeIndication | Reports the volume information of users. |
| onActiveSpeaker | Occurs when the most active remote speaker is detected. |
| onLocalAudioStateChanged | Occurs when the local audio stream state changes. |
| onFirstLocalAudioFramePublished | Occurs when the first audio frame is published. |
| onFirstRemoteAudioFrame | Occurs when the SDK receives the first audio frame from a specific remote user. |
| onUserMuteAudio | Occurs when a remote user (in the communication profile) or a host (in the live streaming profile) stops/resumes sending the audio stream. |
| onRemoteAudioStateChanged | Occurs when the remote audio state changes. |
| onLocalAudioStats | Reports the statistics of the local audio stream. |
| onRemoteAudioStats | Reports the transport-layer statistics of each remote audio stream. |
Audio capture
| Method / Callback | Description |
|---|---|
| enableLocalAudio | Enables or disables the local audio capture. |
| adjustRecordingSignalVolume | Adjusts the capturing signal volume. |
| muteRecordingSignal | Whether to mute the recording signal. |
| enableInEarMonitoring [1/2] | Enables in-ear monitoring. |
| enableInEarMonitoring [2/2] | Enables in-ear monitoring. |
| setInEarMonitoringVolume | Sets the volume of the in-ear monitor. |
Audio pre-processing and post-processing
| Method / Callback | Description |
|---|---|
| enableVoiceAITuner | Enables or disables the voice AI tuner. |
| setAdvancedAudioOptions | Sets audio advanced options. |
| setAINSMode | Sets whether to enable the AI noise suppression function and set the noise suppression mode. |
| setLocalVoiceEqualization | Sets the local voice equalization effect. |
| setLocalVoicePitch | Changes the voice pitch of the local speaker. |
| setLocalVoiceReverb | Sets the local voice reverberation. |
| setVoiceBeautifierPreset | Sets a preset voice beautifier effect. |
| setVoiceBeautifierParameters | Sets parameters for the preset voice beautifier effects. |
| setAudioEffectPreset | Sets an SDK preset audio effect. |
| setAudioEffectParameters | Sets parameters for SDK preset audio effects. |
| setVoiceConversionPreset | Sets a preset voice beautifier effect. |
| setLocalVoiceFormant | Set the formant ratio to change the timbre of human voice. |
| enableSoundPositionIndication | Enables or disables stereo panning for remote users. |
| setRemoteVoicePosition | Sets the 2D position (the position on the horizontal plane) of the remote user's voice. |
| setRemoteVoicePositionEx | Sets the 2D position (the position on the horizontal plane) of the remote user's voice. |
| create | Creates ILocalSpatialAudioEngine. |
| initialize | Initializes ILocalSpatialAudioEngine. |
| destroy | Destroys ILocalSpatialAudioEngine. |
| updateSelfPosition | Updates the spatial position of the local user. |
| updateRemotePosition | Updates the spatial position of the specified remote user. |
| removeRemotePosition | Removes the spatial position of the specified remote user. |
| clearRemotePositions | Removes the spatial positions of all remote users. |
| setHeadphoneEQParameters | Sets the low- and high-frequency parameters of the headphone equalizer. |
| setHeadphoneEQPreset | Sets the preset headphone equalization effect. |
| startLocalAudioMixer | Starts local audio mixing. |
| updateLocalAudioMixerConfiguration | Updates the configurations for mixing audio streams locally. |
| stopLocalAudioMixer | Stops the local audio mixing. |
Raw audio data
| Method / Callback | Description |
|---|---|
| registerAudioFrameObserver | Registers an audio frame observer object. |
| setEarMonitoringAudioFrameParameters | Sets the format of the in-ear monitoring raw audio data. |
| setRecordingAudioFrameParameters | Sets the format of the captured raw audio data. |
| setPlaybackAudioFrameParameters | Sets the format of the raw audio playback data. |
| setMixedAudioFrameParameters | Set the format of the raw audio data after mixing for audio capture and playback. |
| setPlaybackAudioFrameBeforeMixingParameters | Sets the format of the raw audio playback data before mixing. |
| onEarMonitoringAudioFrame | Gets the in-ear monitoring audio frame. |
| onRecordAudioFrame | Gets the captured audio frame. |
| onPlaybackAudioFrame | Gets the raw audio frame for playback. |
| onPlaybackAudioFrameBeforeMixing | Retrieves the audio frame before mixing of subscribed remote users. |
| onMixedAudioFrame | Retrieves the mixed captured and playback audio frame. |
| getEarMonitoringAudioParams | Sets the audio format for the onEarMonitoringAudioFrame callback. |
| getObservedAudioFramePosition | Sets the frame position for the video observer. |
| getRecordAudioParams | Sets the audio format for the onRecordAudioFrame callback. |
| getPlaybackAudioParams | Sets the audio format for the onPlaybackAudioFrame callback. |
| getMixedAudioParams | Sets the audio format for the onMixedAudioFrame callback. |
Encoded audio data
| Method / Callback | Description |
|---|---|
| registerAudioEncodedFrameObserver | Registers an encoded audio observer. |
| onRecordAudioEncodedFrame | Gets the encoded audio data of the local user. |
| onPlaybackAudioEncodedFrame | Gets the encoded audio data of all remote users. |
| onMixedAudioEncodedFrame | Gets the mixed and encoded audio data of the local and all remote users. |
Custom audio capture and renderer
| Method / Callback | Description |
|---|---|
| createCustomAudioTrack | Creates a custom audio track. |
| destroyCustomAudioTrack | Destroys the specified audio track. |
| setExternalAudioSink | Sets the external audio sink. |
| pullPlaybackAudioFrame [1/2] | Pulls the remote audio data. |
| pullPlaybackAudioFrame [2/2] | Pulls the remote audio data. |
| pushExternalAudioFrame | Pushes the external audio frame to the SDK. |
| adjustCustomAudioPlayoutVolume | Adjusts the volume of the custom audio track played locally. |
| adjustCustomAudioPublishVolume | Adjusts the volume of the custom audio track played remotely. |
| enableCustomAudioLocalPlayback | Sets whether to enable the local playback of external audio source. |
Audio spectrum
| Method / Callback | Description |
|---|---|
| registerAudioSpectrumObserver | Register an audio spectrum observer. |
| enableAudioSpectrumMonitor | Turns on audio spectrum monitoring. |
| disableAudioSpectrumMonitor | Disables audio spectrum monitoring. |
| unregisterAudioSpectrumObserver | Unregisters the audio spectrum observer. |
| onLocalAudioSpectrum | Gets the statistics of a local audio spectrum. |
| onRemoteAudioSpectrum | Gets the remote audio spectrum. |
Video basic functions
| Method / Callback | Description |
|---|---|
| enableVideo | Enables the video module. |
| disableVideo | Disables the video module. |
| setVideoScenario | Sets video application scenarios. |
| setVideoEncoderConfiguration | Sets the video encoder configuration. |
| setVideoEncoderConfigurationEx | Sets the video encoder configuration. |
| startPreview [1/2] | Enables the local video preview. |
| stopPreview [1/2] | Stops the local video preview. |
| startPreview [2/2] | Enables the local video preview and specifies the video source for the preview. |
| stopPreview [2/2] | Stops the local video preview. |
| onLocalVideoStateChanged | Occurs when the local video stream state changes. |
| onLocalVideoStats | Reports the statistics of the local video stream. |
| onFirstLocalVideoFramePublished | Occurs when the first video frame is published. |
| onVideoPublishStateChanged | Occurs when the video publishing state changes. |
| onVideoSizeChanged | Occurs when the video size or rotation of a specified user changes. |
| onRemoteVideoStateChanged | Occurs when the remote video stream state changes. |
| onRemoteVideoStats | Reports the statistics of the video stream sent by each remote users. |
| onFirstLocalVideoFrame | Occurs when the first local video frame is displayed on the local video view. |
| onFirstRemoteVideoFrame | Occurs when the renderer receives the first frame of the remote video. |
| onFirstRemoteVideoDecoded | Occurs when the first remote video frame is received and decoded. |
| onUserMuteVideo | Occurs when a remote user stops or resumes publishing the video stream. |
| onUserEnableVideo | Occurs when a remote user enables or disables the video module. |
Video capture
| Method / Callback | Description |
|---|---|
| enableLocalVideo | Enables/Disables the local video capture. |
| startCameraCapture | Starts camera capture. |
| stopCameraCapture | Stops camera capture. |
Video pre-processing and post-processing
| Method / Callback | Description |
|---|---|
| takeSnapshot [1/2] | Takes a snapshot of a video stream. |
| takeSnapshot [2/2] | Takes a screenshot of the video at the specified observation point. |
| takeSnapshotEx [1/2] | Takes a snapshot of a video stream using connection ID. |
| takeSnapshotEx [2/2] | Gets a video screenshot of the specified observation point using the connection ID. |
| enableVirtualBackground [1/2] | Enables/Disables the virtual background. |
| enableVirtualBackground [2/2] | Enables virtual background and specify the media source, or disables virtual background. |
| startLocalVideoTranscoder | Starts the local video mixing. |
| stopLocalVideoTranscoder | Stops the local video mixing. |
| updateLocalTranscoderConfiguration | Updates the local video mixing configuration. |
| onLocalVideoTranscoderError | Occurs when there's an error during the local video mixing. |
| enableVideoImageSource | Sets whether to replace the current video feeds with images when publishing video streams. |
| setBeautyEffectOptions [1/2] | Sets the image enhancement options. |
| setBeautyEffectOptions [2/2] | Sets the image enhancement options and specifies the media source. |
| setColorEnhanceOptions [1/2] | Sets color enhancement. |
| setColorEnhanceOptions [2/2] | Sets color enhance options and specifies the media source. |
| setLowlightEnhanceOptions [1/2] | Sets low-light enhancement. |
| setLowlightEnhanceOptions [2/2] | Sets low light enhance options and specifies the media source. |
| setVideoDenoiserOptions [1/2] | Sets video noise reduction. |
| setVideoDenoiserOptions [2/2] | Sets video noise reduction and specifies the media source. |
| setFilterEffectOptions [1/2] | Sets the filter effect options and specifies the media source. |
| setFilterEffectOptions [2/2] | Sets the filter effect options. |
| enableFaceDetection | Enables or disables face detection for the local user. |
| onFacePositionChanged | Reports the face detection result of the local user. |
| onSnapshotTaken | Reports the result of taking a video snapshot. |
| addVideoWatermark [1/2] | Adds a watermark image to the local video. |
| addVideoWatermark [2/2] | Adds a watermark image to the local video. |
| addVideoWatermarkEx | Adds a watermark image to the local video. |
| clearVideoWatermarks | Removes the watermark image from the video stream. |
| clearVideoWatermarkEx | Removes the watermark image from the video stream. |
| registerFaceInfoObserver | Registers or unregisters a facial information observer. |
| onFaceInfo | Occurs when the facial information processed by speech driven extension is received. |
Video rendering
| Method / Callback | Description |
|---|---|
| setRenderMode | Sets the render mode of the media player. |
| setLocalRenderMode [2/2] | Updates the display mode of the local video view. |
| setRemoteRenderMode | Updates the display mode of the video view of a remote user. |
| setRemoteRenderModeEx | Sets the video display mode of a specified remote user. |
| setLocalRenderTargetFps | Sets the maximum frame rate for rendering local video. |
| setRemoteRenderTargetFps | Sets the maximum frame rate for rendering remote video. |
| setView | Sets the view. |
| setupLocalVideo | Initializes the local video view. |
| setupRemoteVideo | Initializes the video view of a remote user. |
| setupRemoteVideoEx | Initializes the video view of a remote user. |
| enableInstantMediaRendering | Enables audio and video frame instant rendering. |
| startMediaRenderingTracing | Enables tracing the video frame rendering process. |
| startMediaRenderingTracingEx | Enables tracing the video frame rendering process. |
| onTranscodedStreamLayoutInfo | Occurs when the local user receives a mixed video stream carrying layout information. |
| onVideoRenderingTracingResult | Video frame rendering event callback. |
Raw video data
| Method / Callback | Description |
|---|---|
| registerVideoFrameObserver | Registers a raw video frame observer object. |
| onCaptureVideoFrame | Occurs each time the SDK receives a video frame captured by local devices. |
| onFrame | Occurs each time the player receives a video frame. |
| onPreEncodeVideoFrame | Occurs each time the SDK receives a video frame before encoding. |
| onRenderVideoFrame | Occurs each time the SDK receives a video frame sent by the remote user. |
| getObservedFramePosition | Sets the frame position for the video observer. |
| getVideoFrameProcessMode | Occurs each time the SDK receives a video frame and prompts you to set the process mode of the video frame. |
| getMirrorApplied | Occurs each time the SDK receives a video frame and prompts you whether or not to mirror the captured video. |
| getRotationApplied | Occurs each time the SDK receives a video frame, and prompts you whether to rotate the captured video. |
| getVideoFormatPreference | Sets the format of the raw video data output by the SDK. |
Encoded video data
| Method / Callback | Description |
|---|---|
| registerVideoEncodedFrameObserver | Registers a receiver object for the encoded video image. |
| onEncodedVideoFrameReceived | Reports that the receiver has received the to-be-decoded video frame sent by the remote end. |
Custom Video Source and Renderer
| Method / Callback | Description |
|---|---|
| createCustomVideoTrack | Creates a custom video track. |
| destroyCustomVideoTrack | Destroys the specified video track. |
| setExternalVideoSource | Configures the external video source. |
| setExternalRemoteEglContext | Sets the EGL context for rendering remote video streams. |
| pushExternalVideoFrameById [2/2] | Pushes the external raw video frame to the SDK through video tracks. |
| pushExternalVideoFrame [2/2] | Pushes the external raw video frame to the SDK. |
Music file playback
| Method / Callback | Description |
|---|---|
| startAudioMixing [1/2] | Starts playing the music file. |
| startAudioMixing [2/2] | Starts playing the music file. |
| stopAudioMixing | Stops playing the music file. |
| pauseAudioMixing | Pauses playing and mixing the music file. |
| resumeAudioMixing | Resumes playing and mixing the music file. |
| adjustAudioMixingVolume | Adjusts the volume during audio mixing. |
| adjustAudioMixingPlayoutVolume | Adjusts the volume of audio mixing for local playback. |
| adjustAudioMixingPublishVolume | Adjusts the volume of audio mixing for publishing. |
| getAudioMixingPlayoutVolume | Retrieves the audio mixing volume for local playback. |
| getAudioMixingPublishVolume | Retrieves the audio mixing volume for publishing. |
| setAudioMixingPlaybackSpeed | Sets the playback speed of the current audio file. |
| getAudioMixingDuration | Retrieves the duration (ms) of the music file. |
| getAudioMixingCurrentPosition | Retrieves the playback position (ms) of the music file. |
| setAudioMixingPitch | Sets the pitch of the local music file. |
| setAudioMixingPosition | Sets the audio mixing position. |
| setAudioMixingDualMonoMode | Sets the channel mode of the current audio file. |
| getAudioTrackCount | Gets the index of audio tracks of the current music file. |
| selectAudioTrack | Selects the audio track used during playback. |
| selectMultiAudioTrack | Selects the audio tracks that you want to play on your local device and publish to the channel respectively. |
| onAudioMixingStateChanged | Occurs when the playback state of the music file changes. |
| onAudioMixingPositionChanged | Reports the playback progress of a music file. |
Audio effect file playback
| Method / Callback | Description |
|---|---|
| getAudioEffectManager | Gets the IAudioEffectManager class to manage the audio effect files. |
| getEffectsVolume | Retrieves the volume of the audio effects. |
| setEffectsVolume | Sets the volume of the audio effects. |
| getVolumeOfEffect | Gets the volume of a specified audio effect file. |
| setVolumeOfEffect | Gets the volume of a specified audio effect file. |
| preloadEffect | Preloads a specified audio effect file into the memory. |
| playEffect [1/2] | Plays the specified local or online audio effect file. |
| playEffect [2/2] | Plays the specified local or online audio effect file. |
| pauseEffect | Pauses a specified audio effect file. |
| pauseAllEffects | Pauses all audio effects. |
| resumeEffect | Resumes playing a specified audio effect. |
| resumeAllEffects | Resumes playing all audio effect files. |
| stopEffect | Stops playing a specified audio effect. |
| stopAllEffects | Stops playing all audio effects. |
| unloadEffect | Releases a specified preloaded audio effect from the memory. |
| getEffectDuration | Retrieves the duration of the audio effect file. |
| getEffectCurrentPosition | Retrieves the playback position of the audio effect file. |
| setEffectPosition | Sets the playback position of an audio effect file. |
| onAudioEffectFinished | Occurs when the playback of the local music file finishes. |
Virtual metronome
| Method / Callback | Description |
|---|---|
| startRhythmPlayer | Enables the virtual metronome. |
| stopRhythmPlayer | Disables the virtual metronome. |
| configRhythmPlayer | Configures the virtual metronome. |
| onRhythmPlayerStateChanged | Occurs when the state of virtual metronome changes. |
Media player
For more methods about the media player, see IMediaPlayer.
| Method / Callback | Description |
|---|---|
| createMediaPlayer | Creates a media player object. |
| getMediaPlayerCacheManager | Gets one IMediaPlayerCacheManager instance. |
| IMediaPlayer | This class provides media player functions and supports multiple instances. |
| IMediaPlayerCacheManager | This class provides methods to manage cached media files. |
| IMediaPlayerObserver | Provides callbacks for media players. |
Media player cache
| Method / Callback | Description |
|---|---|
| enableAutoRemoveCache | Sets whether to delete cached media files automatically. |
| removeAllCaches | Deletes all cached media files in the media player. |
| removeCacheByUri | Deletes a cached media file. |
| removeOldCache | Deletes a cached media file that is the least recently used. |
| setCacheDir | Sets the storage path for the media files that you want to cache. |
| setMaxCacheFileCount | Sets the maximum number of media files that can be cached. |
| setMaxCacheFileSize | Sets the maximum size of the aggregate storage space for cached media files. |
| getCacheDir | Gets the storage path of the cached media files. |
| getCacheFileCount | Gets the number of media files that are cached. |
| getMaxCacheFileCount | Gets the maximum number of media files that can be cached. |
| getMaxCacheFileSize | Gets the maximum size of the aggregate storage space for cached media files. |
| onPlayerCacheStats | Reports the statistics of the media file being cached. |
Channel media stream relay
| Method / Callback | Description |
|---|---|
| startOrUpdateChannelMediaRelay | Starts relaying media streams across channels or updates channels for media relay. |
| startOrUpdateChannelMediaRelayEx | Starts relaying media streams across channels or updates channels for media relay. |
| stopChannelMediaRelay | Stops the media stream relay. Once the relay stops, the host quits all the target channels. |
| stopChannelMediaRelayEx | Stops the media stream relay. Once the relay stops, the host quits all the target channels. |
| pauseAllChannelMediaRelay | Pauses the media stream relay to all target channels. |
| pauseAllChannelMediaRelayEx | Pauses the media stream relay to all target channels. |
| resumeAllChannelMediaRelay | Resumes the media stream relay to all target channels. |
| resumeAllChannelMediaRelayEx | Resumes the media stream relay to all target channels. |
| onChannelMediaRelayStateChanged | Occurs when the state of the media stream relay changes. |
Media push
| Method / Callback | Description |
|---|---|
| startRtmpStreamWithoutTranscoding | Starts pushing media streams to a CDN without transcoding. |
| startRtmpStreamWithoutTranscodingEx | Starts pushing media streams to a CDN without transcoding. |
| startRtmpStreamWithTranscoding | Starts Media Push and sets the transcoding configuration. |
| startRtmpStreamWithTranscodingEx | Starts Media Push and sets the transcoding configuration. |
| updateRtmpTranscoding | Updates the transcoding configuration. |
| updateRtmpTranscodingEx | Updates the transcoding configuration. |
| stopRtmpStream | Stops pushing media streams to a CDN. |
| stopRtmpStreamEx | Stops pushing media streams to a CDN. |
| onRtmpStreamingEvent | Reports events during the Media Push. |
| onRtmpStreamingStateChanged | Occurs when the state of Media Push changes. |
| onTranscodingUpdated | Occurs when the publisher's transcoding is updated. |
Pushing streams to a CDN directly
| Method / Callback | Description |
|---|---|
| startDirectCdnStreaming | Starts pushing media streams to the CDN directly. |
| stopDirectCdnStreaming | Stops pushing media streams to the CDN directly. |
| setDirectCdnStreamingAudioConfiguration | Sets the audio profile of the audio streams directly pushed to the CDN by the host. |
| setDirectCdnStreamingVideoConfiguration | Sets the video profile of the media streams directly pushed to the CDN by the host. |
| onDirectCdnStreamingStateChanged | Occurs when the CDN streaming state changes. |
| onDirectCdnStreamingStats | Reports the CDN streaming statistics. |
Data stream
| Method / Callback | Description |
|---|---|
| createDataStream [1/2] | Creates a data stream. |
| createDataStream [2/2] | Creates a data stream. |
| createDataStreamEx [2/2] | Creates a data stream. |
| sendStreamMessage | Sends data stream messages. |
| onStreamMessage | Occurs when the local user receives the data stream from the remote user. |
| onStreamMessageError | Occurs when the local user does not receive the data stream from the remote user. |
Metadata (SEI)
| Method / Callback | Description |
|---|---|
| registerMediaMetadataObserver | Registers the metadata observer. |
| unregisterMediaMetadataObserver | Unregisters the specified metadata observer. |
| onReadyToSendMetadata | Occurs when the SDK is ready to send metadata. |
| onMetaData | Occurs when the media metadata is received. |
| onMetadataReceived | Occurs when the local user receives the metadata. |
Audio route
| Method / Callback | Description |
|---|---|
| setDefaultAudioRouteToSpeakerphone | Sets the default audio playback route. |
| setEnableSpeakerphone | Enables/Disables the audio route to the speakerphone. |
| setRouteInCommunicationMode | Selects the audio playback route in communication audio mode. |
| isSpeakerphoneEnabled | Checks whether the speakerphone is enabled. |
| onAudioRouteChanged | Occurs when the local audio route changes. |
Video Device Management
| Method / Callback | Description |
|---|---|
| switchCamera [1/2] | Switches between front and rear cameras. |
| switchCamera [2/2] | Switches cameras by camera ID. |
| setCameraCapturerConfiguration | Sets the camera capture configuration. |
| isCameraZoomSupported | Checks whether the device supports camera zoom. |
| getCameraMaxZoomFactor | Gets the maximum zoom ratio supported by the camera. |
| setCameraZoomFactor | Sets the camera zoom factor. |
| isCameraTorchSupported | Checks whether the device supports camera flash. |
| setCameraTorchOn | Enables the camera flash. |
| isCameraFaceDetectSupported | Checks whether the device camera supports face detection. |
| isCameraFocusSupported | Check whether the device supports the manual focus function. |
| isCameraExposureSupported | Queries whether the current camera supports adjusting exposure value. |
| setCameraExposureFactor | Sets the camera exposure value. |
| setCameraFocusPositionInPreview | Sets the camera manual focus position. |
| isCameraAutoFocusFaceModeSupported | Checks whether the device supports the face auto-focus function. |
| setCameraAutoFocusFaceModeEnabled | Enables the camera auto-face focus function. |
| isCameraExposurePositionSupported | Checks whether the device supports manual exposure. |
| setCameraExposurePosition | Sets the camera exposure position. |
| onCameraFocusAreaChanged | Occurs when the camera focus area changes. |
| onCameraExposureAreaChanged | Occurs when the camera exposure area changes. |
| queryCameraFocalLengthCapability | Queries the focal length capability supported by the camera. |
| queryCodecCapability | Queries the video codec capabilities of the SDK. |
Audio Device Management
| Method / Callback | Description |
|---|---|
| startPlaybackDeviceTest | Starts the audio playback device test. |
| stopPlaybackDeviceTest | Stops the audio playback device test. |
| startRecordingDeviceTest | Starts the audio capturing device test. |
| stopRecordingDeviceTest | Stops the audio capturing device test. |
| getAudioDeviceInfo | Gets the audio device information. |
Extension
| Method / Callback | Description |
|---|---|
| addExtension | Adds the extension. |
| registerExtension | Registers an extension. |
| enableExtension | Enables or disables extensions. |
| getExtensionProperty [1/2] | Gets detailed information on the extensions. |
| getExtensionProperty [2/2] | Gets detailed information on the extensions. |
| setExtensionProperty | Sets the properties of the extension. |
| setExtensionProviderProperty | Sets the properties of the extension provider. |
| onStartedWithContext | Occurrs when the extension is enabled. |
| onStoppedWithContext | Occurs when the extension is disabled. |
| onEventWithContext | The event callback of the extension. |
| onErrorWithContext | Occurs when the extension runs incorrectly. |
Network and others
| Method / Callback | Description |
|---|---|
| startEchoTest | Starts an audio device loopback test. |
| stopEchoTest | Stops the audio call test. |
| startLastmileProbeTest | Starts the last mile network probe test. |
| stopLastmileProbeTest | Stops the last mile network probe test. |
| onLastmileQuality | Reports the last-mile network quality of the local user. |
| onLastmileProbeResult | Reports the last mile network probe result. |
| getCurrentMonotonicTimeInMs | Gets the current Monotonic Time of the SDK. |
| queryDeviceScore | Queries device score. |
| setCloudProxy | Sets up cloud proxy service. |
| setParameters | Provides technical preview functionalities or special customizations by configuring the SDK with JSON options. |
| getCallId | Retrieves the call ID. |
| getCallIdEx | Gets the call ID with the connection ID. |
| isFeatureAvailableOnDevice | Checks whether the device supports the specified advanced feature. |
| rate | Allows a user to rate a call after the call ends. |
| complain | Allows a user to complain about the call quality after a call ends. |
| getConnectionState | Gets the current connection state of the SDK. |
| getConnectionStateEx | Gets the current connection state of the SDK. |
| getSdkVersion | Gets the SDK version. |
| getErrorDescription | Gets the warning or error description. |
| getNativeHandle | Gets the C++ handle of the Native SDK. |
| addHandler | Adds event handlers |
| removeHandler | Removes the specified IRtcEngineEventHandler instance. |
| getNetworkType | Gets the type of the local network connection. |
| getNtpWallTimeInMs | Gets the current NTP (Network Time Protocol) time. |
| enableEncryption | Enables or disables the built-in encryption. |
| enableEncryptionEx | Enables or disables the built-in encryption. |
| sendCustomReportMessage | Reports customized messages. |
| sendCustomReportMessageEx | Agora supports reporting and analyzing customized messages. |
| setRemoteSubscribeFallbackOption [2/2] | Sets the fallback option for the subscribed video stream based on the network conditions. |
| onRemoteSubscribeFallbackToAudioOnly | Occurs when the remote media stream falls back to the audio-only stream due to poor network conditions or switches back to the video stream after the network conditions improve. |
| onEncryptionError | Reports the built-in encryption errors. |
| onProxyConnected | Reports the proxy connection state. |
| onNetworkQuality | Reports the last mile network quality of each user in the channel. |
| onRtcStats | Reports the statistics about the current call. |
| onPermissionError | Occurs when the SDK cannot get the device permission. |