embdrv/lc3/Decoder/PacketLossConcealment.hpp

/*
 * PacketLossConcealment.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 PACKET_LOSS_CONCEALMENT_H_
#define PACKET_LOSS_CONCEALMENT_H_

#include <cstdint>

#include "Datapoints.hpp"

namespace Lc3Dec {

class PacketLossConcealment {
 public:
  PacketLossConcealment(uint16_t NE_);
  virtual ~PacketLossConcealment();

  void registerDatapoints(DatapointContainer* datapoints);

  void run(uint8_t BER_DETECT, double* X_hat, int16_t& ltpf_active);

  const uint16_t NE;

 private:
  uint16_t plc_seed;
  uint8_t nbLostCmpt;
  double alpha;
  double* X_hat_lastGood;
};

}  // namespace Lc3Dec

#endif  // PACKET_LOSS_CONCEALMENT_H_