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1# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#     http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14# ==============================================================================
15"""Test configs for stft."""
16from __future__ import absolute_import
17from __future__ import division
18from __future__ import print_function
19
20import tensorflow.compat.v1 as tf
21from tensorflow.lite.testing.zip_test_utils import create_tensor_data
22from tensorflow.lite.testing.zip_test_utils import ExtraTocoOptions
23from tensorflow.lite.testing.zip_test_utils import make_zip_of_tests
24from tensorflow.lite.testing.zip_test_utils import register_make_test_function
25
26
27@register_make_test_function()
28def make_stft_tests(options):
29  """Make a set of tests to do rfft2d."""
30
31  test_parameters = [{
32      "input_dtype": [tf.float32],
33      "input_shape": [[8], [8, 16], [3, 1, 4]],
34      "frame_length": [4, 8],
35      "frame_step": [1, 2, 4],
36      "fft_length": [None, 2, 4, 8],
37  }]
38
39  def build_graph(parameters):
40    input_value = tf.compat.v1.placeholder(
41        dtype=parameters["input_dtype"],
42        name="input",
43        shape=parameters["input_shape"])
44    outs = tf.signal.stft(
45        input_value,
46        frame_length=parameters["frame_length"],
47        frame_step=parameters["frame_step"],
48        fft_length=parameters["fft_length"])
49    return [input_value], [outs]
50
51  def build_inputs(parameters, sess, inputs, outputs):
52    input_value = create_tensor_data(parameters["input_dtype"],
53                                     parameters["input_shape"])
54    return [input_value], sess.run(
55        outputs, feed_dict=dict(zip(inputs, [input_value])))
56
57  extra_toco_options = ExtraTocoOptions()
58  make_zip_of_tests(options, test_parameters, build_graph, build_inputs,
59                    extra_toco_options)
60