class_docstr: Main function for Stochastic Adversarial Video Prediction.
code: def expected_output_shape(
      self, input_shape, stride, padding, kernel_size
  ):
      return (input_shape + 2 * padding - kernel_size) // stride + 1
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numbers
  import numpy
  from tensor2tensor.layers import common_layers
  from tensor2tensor.layers import common_video
  from tensor2tensor.models.video import savp_params
  from tensor2tensor.models.video import sv2p
  from tensor2tensor.utils import contrib
  from tensor2tensor.utils import registry
  from tensor2tensor.utils import update_ops_hook
  import tensorflow.compat.v1
  from tensorflow.compat.v1 import estimator
  import tensorflow_gan
label_desc: Use image node_id 2 for calling the NextFrameSavpBase obj's underlying member method code with example usage: obj.expected_output_shape(input_shape, stride, padding, kernel_size) and returns: unknown