def METHOD_NAME(self):
    """
    reader for inference
    """
    def reader():
        """
        reader
        """
        batch_out = []
        # for video_name in self.video_list:
        for video_wind in self.video_list:
            video_idx = self.video_list.index(video_wind)
            video_feat = self.load_file(video_wind)
            batch_out.append((video_feat, video_wind, [self.duration, self.dscale]))
            if len(batch_out) == self.batch_size:
                yield batch_out
                batch_out = []
        if len(batch_out) > 0:
            yield batch_out
    return reader