          Outputs items in the following format. All lists are of length
          :attr:`~plugins.extract._base.Extractor.batchsize`:
  
          >>> {'filename': [<filenames of source frames>],
          >>>  'image': [<source images>],
          >>>  'detected_faces': [[<lib.faces_detect.DetectedFace objects]]}
  
          Parameters
          ----------
          queue : queue.Queue()
 
</s> remove         >>>  'image': [<source images>],
        >>>  'scaled_image': <numpy.ndarray of images standardized for prediction>,
 </s> add         >>>  'image': <numpy.ndarray of images standardized for prediction>, </s> remove         each :class:`lib.faces_detect.DetectedFace` object.
 </s> add         each :class:`~lib.faces_detect.DetectedFace` object. </s> remove         each :class:`lib.faces_detect.DetectedFace` object.
 </s> add         each :class:`~lib.faces_detect.DetectedFace` object. </s> remove         The input queue is the entry point into the extraction pipeline. A ``dict`` should
        be put to the queue in the following format(s):

        For detect/single phase operations:

        >>> {'filename': <path to the source image that is to be extracted from>,
        >>>  'image': <the source image as a numpy.ndarray in BGR color format>}

        For align (2nd pass operations):
 </s> add         The input queue is the entry point into the extraction pipeline. An :class:`ExtractMedia`
        object should be put to the queue. </s> remove >>>  'image':  <source image>,
 </s> add 
          Outputs items in the following format. All lists are of length
          :attr:`~plugins.extract._base.Extractor.batchsize`:
  
          >>> {'filename': [<filenames of source frames>],

          >>>  'detected_faces': [[<lib.faces_detect.DetectedFace objects]]}
  
          Parameters
          ----------
          queue : queue.Queue()
keep keep keep keep replace keep keep keep keep keep
 plugins.extract - Create ExtractMedia class for pipeline flow
Bugfix - Fix memory leak in extract 
plugins/extract/mask/_base.py