HarmonyOS鸿蒙Next中录制的视频，在相册及文件夹内无法播放

如果prepare报错5400106当前使用的格式规格不支持，建议检查下video的url，在尝试按下面这种方式修改下再试试：

private async createVideoOutput() {
  let {width, height} = this.selVideoProfile.size

  let audioRoutingManager = audio.getAudioManager().getRoutingManager()
  let deviceDesArray = audioRoutingManager.getDevicesSync(audio.DeviceFlag.INPUT_DEVICES_FLAG)
  let micDeviceDes = deviceDesArray.find(value => {
    let dt = value.deviceType
    return dt == audio.DeviceType.MIC || dt == audio.DeviceType.DEFAULT
  }) || {sampleRates: [audio.AudioSamplingRate.SAMPLE_RATE_12000], channelCounts: [audio.AudioChannel.CHANNEL_2]}

  let aVRecorderProfile: media.AVRecorderProfile = {
    audioBitrate: 48000,
    audioChannels: 1,
    audioCodec: media.CodecMimeType.AUDIO_AAC,
    audioSampleRate: 48000,
    fileFormat: media.ContainerFormatType.CFT_MPEG_4,
    videoBitrate: 30000000,
    videoCodec: media.CodecMimeType.VIDEO_AVC,
    videoFrameWidth: 1920,
    videoFrameHeight: 1080,
    videoFrameRate: 30,
  };

  console.info("++++++++++++++++++++++++++++++++++")
  console.info('' + this.selVideoProfile.frameRateRange.min)
  let filePath = this.context.filesDir + '/' + await systemDateTime.getCurrentTime() + '.mp4'
  let file = fs.openSync(filePath, fs.OpenMode.CREATE | fs.OpenMode.READ_WRITE)
  this.videoFile = file
  let fd = file.fd
  console.info('fd=' + fd + '; filePath=' + filePath + '; file=' + file.path)
  let {openFront} = this.initConfig

  let aVRecorderConfig: media.AVRecorderConfig = {
    audioSourceType: media.AudioSourceType.AUDIO_SOURCE_TYPE_MIC,
    videoSourceType: media.VideoSourceType.VIDEO_SOURCE_TYPE_SURFACE_YUV,
    profile: aVRecorderProfile,
    url: 'fd://' + file.fd,
    rotation: 0,
    location: { latitude: 30, longitude: 130 }
  };

  let avRecorder: media.AVRecorder | undefined = this.avRecorder;
  if(!avRecorder){
    try {
      avRecorder = await media.createAVRecorder();
    } catch (error) {
      let err = error as BusinessError;
      console.error(`createAVRecorder call failed. error code: ${err.code}`);
    }
    if (avRecorder === undefined) {
      console.error(`createAVRecorder call failed. avRecorder == undefined`);
      return undefined;
    }
    console.info(`createAVRecorder call succ`);

    avRecorder.on('stateChange', (state: media.AVRecorderState, reason: media.StateChangeReason) => {
      console.info('avRecorder current state is: ' + state);
    })
    avRecorder.on('error', (err: BusinessError) => {
      console.error('error ocConstantSourceNode, error message is ' + err);
    })
  } else{
    await avRecorder.reset()
  }
  try{
    await avRecorder.prepare(aVRecorderConfig);
  } catch (err) {
    console.error('Failed to avRecorder prepare. errorCode = ' + err);
  }
  this.avRecorder = avRecorder
  let videoSurfaceId = await avRecorder.getInputSurface()
  let videoOutput: camera.VideoOutput | undefined = undefined;
  try {
    videoOutput = this.cameraManager.createVideoOutput(this.selVideoProfile, videoSurfaceId);
  } catch (error) {
    let err = error as BusinessError;
    console.error('Failed to create the videoOutput instance. errorCode = ' + err.code);
  }
  this.videoOutput = videoOutput
}