async function getStreamingFile(req, res) {
    try {
      validateSessionId(req.params.folder);
      validateFilename(req.params.file);
      const filePath = path.join(gladys.config.tempFolder, req.params.folder, req.params.file);
      const filestream = fs.createReadStream(filePath);
      filestream.on('error', (err) => {
        res.status(404).end();
      });
      filestream.pipe(res);
    } catch (e) {
      if (e instanceof Error400) {
        throw e;
      }
      logger.warn(e);
      throw new Error404('FILE_NOT_FOUND');
    }
  }
@api {get} /api/v1/service/rtsp-camera/camera/streaming/:folder/:file Get streaming file
@apiName getStreamingFile
@apiGroup RtspCamera