embdrv/lc3/Encoder/AttackDetector.hpp

/*
 * AttackDetector.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 ATTACK_DETECTOR_H_
#define ATTACK_DETECTOR_H_

#include <cstdint>

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

namespace Lc3Enc {

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

  void registerDatapoints(DatapointContainer* datapoints);

  void run(const int16_t* const x_s, uint16_t nbytes);

  const Lc3Config& lc3Config;
  const uint8_t M_F;

  uint8_t F_att;

 private:
  double x_att_last[2];
  double E_att_last;
  double A_att_last;
  int8_t P_att_last;
};

}  // namespace Lc3Enc

#endif  // ATTACK_DETECTOR_H_