text: /**
   * Copyright 2021 Huawei Technologies Co., Ltd
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #ifndef MINDSPORE_CCSRC_MINDDATA_DATASET_AUDIO_KERNELS_COMPUTE_DELTAS_OP_H_
  #define MINDSPORE_CCSRC_MINDDATA_DATASET_AUDIO_KERNELS_COMPUTE_DELTAS_OP_H_
  
  #include <memory>
  #include <string>
  #include <vector>
  
  #include "minddata/dataset/core/tensor.h"
  #include "minddata/dataset/include/dataset/constants.h"
  #include "minddata/dataset/kernels/tensor_op.h"
  #include "minddata/dataset/util/status.h"
  
  namespace mindspore {
  namespace dataset {
  class ComputeDeltasOp : public TensorOp {
   public:
    explicit ComputeDeltasOp(int32_t win_length = 5, BorderType mode = BorderType::kEdge);
  
    Status Compute(const std::shared_ptr<Tensor> &input, std::shared_ptr<Tensor> *output) override;
  
    Status OutputType(const std::vector<DataType> &inputs, std::vector<DataType> &outputs) override;
  
    std::string Name() const override { return kComputeDeltasOp; };
  
    ~ComputeDeltasOp() = default;
  
   private:
    int32_t win_length_;
    BorderType mode_;
  };
  }  // namespace dataset
  }  // namespace mindspore
  #endif  // MINDSPORE_CCSRC_MINDDATA_DATASET_AUDIO_KERNELS_COMPUTE_DELTAS_OP_H_
  