embdrv/lc3/Decoder/MdctDec.hpp

/*
 * MdctDec.hpp
 *
 * Copyright 2021 HIMSA II K/S - www.himsa.com. Represented by EHIMA -
 * www.ehima.com
 *
 * 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 MDCT_DEC_H_
#define MDCT_DEC_H_

#include <cstdint>

#include "Datapoints.hpp"
#include "DctIV.hpp"
#include "Lc3Config.hpp"

namespace Lc3Dec {

class MdctDec {
 public:
  MdctDec(const Lc3Config& lc3Config_);
  virtual ~MdctDec();

  void registerDatapoints(DatapointContainer* datapoints);

  void run(const double* const X_hat);

  const Lc3Config& lc3Config;
  double* x_hat_mdct;

 private:
  void MdctInvFastDbl();

  DctIVDbl dctIVDbl;
  double* mem_ola_add;
  double* t_hat_mdct;
  double* wN;
};

}  // namespace Lc3Dec

#endif  // MDCT_DEC_H_