class_docstr: _FFmpegIOTensorFuntion
class_docstr_tok: ["_FFmpegIOTensorFuntion"]
code: def __call__(self):
      items = self._function(
          self._resource,
          start=self._index,
          stop=self._index + self._capacity,
          component=self._component,
          shape=self._shape,
          dtype=self._dtype,
      )
      self._index += items.shape[0]
      return items
  
file_path: io/tensorflow_io/python/ops/ffmpeg_io_tensor_ops.py
imports: import uuid
  import tensorflow
  from tensorflow_io.python.ops import io_tensor_ops
label_desc: Use image node_id 2 for calling the _FFmpegIOTensorFunction obj's underlying member method code with example usage: obj.__call__() and returns: items