/* Copyright 2017 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#include "tensorflow/examples/wav_to_spectrogram/wav_to_spectrogram.h"
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#include "tensorflow/core/lib/core/status_test_util.h"
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#include "tensorflow/core/lib/io/path.h"
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#include "tensorflow/core/lib/wav/wav_io.h"
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#include "tensorflow/core/platform/env.h"
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#include "tensorflow/core/platform/test.h"
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TEST(WavToSpectrogramTest, WavToSpectrogramTest) {
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const tensorflow::string input_wav =
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tensorflow::io::JoinPath(tensorflow::testing::TmpDir(), "input_wav.wav");
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const tensorflow::string output_image = tensorflow::io::JoinPath(
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tensorflow::testing::TmpDir(), "output_image.png");
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float audio[8] = {-1.0f, 0.0f, 1.0f, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f};
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tensorflow::string wav_string;
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TF_ASSERT_OK(
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tensorflow::wav::EncodeAudioAsS16LEWav(audio, 44100, 1, 8, &wav_string));
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TF_ASSERT_OK(tensorflow::WriteStringToFile(tensorflow::Env::Default(),
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input_wav, wav_string));
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TF_ASSERT_OK(WavToSpectrogram(input_wav, 4, 4, 64.0f, output_image));
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TF_EXPECT_OK(tensorflow::Env::Default()->FileExists(output_image));
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}
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