class_docstr: Common processor interface
class_docstr_tok: ["Common","processor","interface"]
docstr: The total number of frames that this processor can output for each step
  in the pipeline, or None if the number is unknown.
code: def blocksize():
      """The total number of frames that this processor can output for each step
      in the pipeline, or None if the number is unknown."""
  
imports: from __future__ import absolute_import
  from .component import Interface
label_desc: Use image node_id 5 for calling the IProcessor obj's underlying member method code with example usage: obj.blocksize() without return types