embdrv/lc3/Decoder/SideInformation.hpp

/*
 * SideInformation.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 SIDE_INFORMATION_H_
#define SIDE_INFORMATION_H_

#include <cstdint>

#include "Datapoints.hpp"

namespace Lc3Dec {

class SideInformation {
 public:
  SideInformation(uint16_t NF_, uint16_t NE_, uint8_t fs_ind_);

  virtual ~SideInformation();

  void registerDatapoints(DatapointContainer* datapoints);

  void run(const uint8_t* bytes, uint16_t& bp_side, uint8_t& mask_side,
           int16_t& P_BW, int16_t& lastnz, uint8_t& lsbMode, int16_t& gg_ind,
           int16_t& num_tns_filters, int16_t* rc_order, uint8_t& pitch_present,
           int16_t& pitch_index, int16_t& ltpf_active, int16_t& F_NF,
           int16_t& ind_LF, int16_t& ind_HF, int16_t& Gind, int16_t& LS_indA,
           int16_t& LS_indB, int32_t& idxA, int16_t& idxB,

           uint8_t& BEC_detect);

  const uint16_t NF;
  const uint16_t NE;
  const uint8_t fs_ind;
  const uint8_t nbits_bw;

  int16_t submodeMSB;
  int16_t submodeLSB;

 private:
  uint8_t nbits_lastnz;

  void dec_split_st2VQ_CW(uint32_t cwRx, uint32_t szA, uint32_t szB,
                          uint8_t& BEC_detect, int16_t& submodeLSB,
                          int32_t& idxA, int32_t& idxBorGainLSB);
};

}  // namespace Lc3Dec

#endif  // SIDE_INFORMATION_H_