onPlaybackAudioFrameBeforeMixing property
        
        void Function(String channelId, int uid, AudioFrame audioFrame)?
        onPlaybackAudioFrameBeforeMixing
        
      
final
      Retrieves the audio frame before mixing of subscribed remote users.
Due to framework limitations, this callback does not support sending processed audio data back to the SDK.
- channelIdThe channel ID.
- uidThe ID of subscribed remote users.
- audioFrameThe raw audio data. See AudioFrame.
Implementation
final void Function(String channelId, int uid, AudioFrame audioFrame)?
    onPlaybackAudioFrameBeforeMixing;