nertc.IAudioFrameObserver 成员列表

成员的完整列表，这些成员属于 nertc.IAudioFrameObserver,包括所有继承而来的类成员

OnAudioFrameDidRecord(RtcAudioFrame frame)	nertc.IAudioFrameObserver
OnAudioFrameWillPlayback(RtcAudioFrame frame)	nertc.IAudioFrameObserver
OnMixedAudioFrame(RtcAudioFrame frame)	nertc.IAudioFrameObserver
OnPlaybackAudioFrameBeforeMixing(ulong userId, RtcAudioFrame frame, ulong cid)	nertc.IAudioFrameObserver