The base interface class of the RTC SDK that implements the main functions of real-time audio and video.

Interface class that provides multi-channel methods.

The IRtcEngineEventHandler interface class is used by the SDK to send event notifications to the App. The App obtains SDK event notifications by inheriting methods of this interface class.

Class that provides media player functionality and supports multiple instances.

This class provides methods to manage cached media files in the media player.

Provides callbacks for the media player.

Observer for encoded audio.

Audio observer.

Audio observer.

Video data observer for media player.

Class for receiving encoded video frames.

Video observer.

Audio spectrum observer.

Metadata observer.

Audio device management methods.

IMediaEngine class.

The IDirectCdnStreamingEventHandler interface class is used by the SDK to send CDN streaming event notifications to the App. The App obtains SDK event notifications by inheriting methods of this interface class.

This class contains some APIs from the ILocalSpatialAudioEngine class.

This class implements spatial audio by calculating user coordinates through the SDK.