wehub-resource-sync
44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
/* Copyright 2018 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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// Basic minimal DCT class for MFCC speech processing.
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#ifndef TENSORFLOW_LITE_KERNELS_INTERNAL_MFCC_DCT_H_
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#define TENSORFLOW_LITE_KERNELS_INTERNAL_MFCC_DCT_H_
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#include <vector>
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namespace tflite {
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namespace internal {
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class MfccDct {
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public:
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MfccDct();
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bool Initialize(int input_length, int coefficient_count);
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void Compute(const std::vector<double>& input,
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std::vector<double>* output) const;
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private:
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bool initialized_;
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int coefficient_count_;
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int input_length_;
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std::vector<std::vector<double> > cosines_;
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};
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} // namespace internal
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} // namespace tflite
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#endif // TENSORFLOW_LITE_KERNELS_INTERNAL_MFCC_DCT_H_
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