unplugged-vendor/system/bt/embdrv/lc3/Encoder/BandwidthDetector.hpp

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/*
* BandwidthDetector.hpp
*
* Copyright 2019 HIMSA II K/S - www.himsa.dk. 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 BANDWIDTH_DETECTOR_H_
#define BANDWIDTH_DETECTOR_H_
#include <cstdint>
#include "Datapoints.hpp"
#include "Lc3Config.hpp"
namespace Lc3Enc
{
class BandwidthDetector
{
public:
BandwidthDetector(const Lc3Config& lc3Config_);
virtual ~BandwidthDetector();
void registerDatapoints(DatapointContainer* datapoints);
void run(const double* const E_B); // Note: fs-dependent N_b not needed since processing occurs only for fs>8000
static uint8_t calc_N_bw(uint8_t fs_ind);
const Lc3Config& lc3Config;
const uint8_t N_bw;
uint8_t nbits_bw;
uint8_t P_bw;
private:
const uint8_t* I_bw_start;
const uint8_t* I_bw_stop;
const uint8_t* L;
};
}//namespace Lc3Enc
#endif // BANDWIDTH_DETECTOR_H_