registerAudioFrameObserver method

Future<int?> registerAudioFrameObserver(
  1. IMediaPlayerAudioFrameObserver observer
)

@detail api @brief 注册回调句柄以在本地音乐文件混音时，收到相关回调。 @param observer 参看 IMediaPlayerAudioFrameObserver{@link #IMediaPlayerAudioFrameObserver}。 @return - 0: 调用成功。 - < 0 : 调用失败。查看 ReturnStatus{@link #ReturnStatus} 获得更多错误说明 @note 此接口仅支持音频文件，不支持 PCM 数据。

Implementation

Future<int?> registerAudioFrameObserver(
    IMediaPlayerAudioFrameObserver observer) async {
  $a() => ($instance as $p_a.IMediaPlayer).registerAudioFrameObserver(
      packObject(observer, () => android_IMediaPlayerAudioFrameObserver()));
  $i() => ($instance as $p_i.ByteRTCMediaPlayer).registerAudioFrameObserver(
      packObject(observer, () => ios_IMediaPlayerAudioFrameObserver()));

  if (Platform.isAndroid) {
    return $a();
  } else if (Platform.isIOS) {
    return $i();
  } else {
    throw UnsupportedError(
        'Not Support Platform ${Platform.operatingSystem}');
  }
}