Interface NERtcAudioFrameObserver

interface NERtcAudioFrameObserver {
    onMixedFrame(frame: NERtcAudioFrame): void;
    onPlaybackAudioFrameBeforeMixingForPlayStreaming(
        streamId: string,
        frame: NERtcAudioFrame,
    ): void;
    onPlaybackFrame(frame: NERtcAudioFrame): void;
    onRecordedFrame(frame: NERtcAudioFrame): void;
    onRecordedSubStreamFrame(frame: NERtcAudioFrame): void;
    onUserPlaybackFrameBeforeMixing(
        channelId: bigint,
        uid: bigint,
        frame: NERtcAudioFrame,
    ): void;
    onUserPlaybackSubStreamFrameBeforeMixing(
        channelId: bigint,
        uid: bigint,
        frame: NERtcAudioFrame,
    ): void;
}