67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
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/*
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* SpectralNoiseShaping.hpp
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*
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* Copyright 2019 HIMSA II K/S - www.himsa.dk. Represented by EHIMA - www.ehima.com
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SPECTRAL_NOISE_SHAPING_H_
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#define SPECTRAL_NOISE_SHAPING_H_
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#include <cstdint>
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#include "Datapoints.hpp"
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#include "SnsQuantization.hpp"
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#include "Lc3Config.hpp"
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namespace Lc3Enc
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{
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class SpectralNoiseShaping
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{
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public:
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SpectralNoiseShaping(const Lc3Config& lc3Config_, const int* const I_fs_);
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virtual ~SpectralNoiseShaping();
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void registerDatapoints(DatapointContainer* datapoints_);
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void run(const double* const X, const double* E_B, bool F_att);
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uint8_t get_ind_LF();
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uint8_t get_ind_HF();
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uint8_t get_shape_j();
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uint8_t get_Gind();
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int32_t get_LS_indA();
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int32_t get_LS_indB();
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uint32_t get_index_joint_j();
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static const uint8_t N_b = 64;
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static const uint8_t Nscales = 16;
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static const uint8_t nbits_SNS = 38;
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const Lc3Config& lc3Config;
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const uint8_t g_tilt;
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double* X_S;
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private:
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const int* const I_fs;
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SnsQuantization snsQuantization;
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double scf[Nscales];
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double g_SNS[N_b];
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DatapointContainer* datapoints;
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};
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}//namespace Lc3Enc
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#endif // SPECTRAL_NOISE_SHAPING_H_
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