IAudioFrameObserver

The audio frame observer.

You can call RegisterAudioFrameObserver to register or unregister the IAudioFrameObserver audio frame observer.

FOnPlaybackAudioFrameBeforeMixing

Retrieves the audio frame of a specified user before mixing.

DECLARE_DYNAMIC_MULTICAST_DELEGATE_ThreeParams(FOnPlaybackAudioFrameBeforeMixing, const FString, channelId, int64, uid, const FAudioFrame&, audioFrame);

Parameters

channelId
The channel ID.
uid
The user ID of the specified user.
audioFrame
The raw audio data. See FAudioFrame.

Returns

Without practical meaning.