1 files changed, 0 insertions, 147 deletions
diff --git a/system/embdrv/lc3_dec/Decoder/DecoderFrame.hpp b/system/embdrv/lc3_dec/Decoder/DecoderFrame.hpp
deleted file mode 100644
index 4ce1c86b66..0000000000
--- a/system/embdrv/lc3_dec/Decoder/DecoderFrame.hpp
+++ /dev/null
@@ -1,147 +0,0 @@
-/*
- * DecoderFrame.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 __DECODER_FRAME_HPP_
-#define __DECODER_FRAME_HPP_
-
-#include <cstdint>
-
-#include "ArithmeticDec.hpp"
-#include "Datapoints.hpp"
-#include "Lc3Config.hpp"
-#include "LongTermPostfilter.hpp"
-#include "MdctDec.hpp"
-#include "PacketLossConcealment.hpp"
-#include "ResidualSpectrum.hpp"
-#include "SideInformation.hpp"
-#include "SpectralNoiseShaping.hpp"
-
-namespace Lc3Dec {
-
-class DecoderFrame {
- public:
-  DecoderFrame(ResidualSpectrum& residualSpectrum_,
-               SpectralNoiseShaping& spectralNoiseShaping_,
-               PacketLossConcealment& packetLossConcealment_, MdctDec& mdctDec_,
-               const Lc3Config& lc3Config_, uint16_t nbytes_);
-  virtual ~DecoderFrame();
-
-  void registerDatapoints(DatapointContainer* datapoints_);
-
-  template <typename T>
-  void run(const uint8_t* bytes, uint8_t BFI,
-           uint16_t bits_per_audio_sample_dec, T* x_out, uint8_t& BEC_detect) {
-    if (!lc3Config.isValid()) {
-      return;
-    }
-
-    // main decoder implementation: 3.4.1 until 3.4.9 (d09r06)
-    runFloat(bytes, BFI, BEC_detect);
-
-    // 3.4.10 Output signal scaling and rounding   (d09r06)
-    const uint32_t outputScale = 1UL << (-15 + bits_per_audio_sample_dec - 1);
-    for (uint16_t k = 0; k < lc3Config.NF; k++) {
-      double x_hat_clip_local;
-      if (longTermPostfilter.x_hat_ltpf[k] > 32767) {
-        x_hat_clip_local = 32767;
-      } else if (longTermPostfilter.x_hat_ltpf[k] < -32768) {
-        x_hat_clip_local = -32768;
-      } else {
-        x_hat_clip_local = longTermPostfilter.x_hat_ltpf[k];
-      }
-
-      // datapoint buffer for x_hat_clip only prepared when datapoints are
-      // available
-      if (nullptr != x_hat_clip) {
-        x_hat_clip[k] = x_hat_clip_local;
-      }
-
-      // Round 𝑥 to nearest integer, e.g., ⌊−4.5⌉ = −5, ⌊−3.2⌉ = −3, ⌊3.2⌉ = 3,
-      // ⌊4.5⌉ = 5,
-      if (x_hat_clip_local > 0) {
-        x_out[k] = outputScale * x_hat_clip_local + 0.5;
-      } else {
-        x_out[k] = outputScale * x_hat_clip_local - 0.5;
-      }
-    }
-
-    if (nullptr != datapoints) {
-      datapoints->log("x_out", &x_out[0], sizeof(T) * lc3Config.NF);
-      datapoints->log("BER_detect", &BEC_detect, sizeof(BEC_detect));
-    }
-  }
-
-  void linkPreviousFrame(DecoderFrame* previousFrame);
-
-  // per instance constant parameter
-  const uint16_t nbytes;
-  const uint16_t nbits;
-  const Lc3Config& lc3Config;
-  const uint8_t tns_lpc_weighting;
-
- private:
-  void runFloat(const uint8_t* bytes, uint8_t BFI, uint8_t& BEC_detect);
-
-  void noiseFilling();
-  void applyGlobalGain();
-  void temporalNoiseShaping();
-
-  SideInformation sideInformation;
-  ArithmeticDec arithmeticDec;
-  ResidualSpectrum& residualSpectrum;
-  SpectralNoiseShaping& spectralNoiseShaping;
-  PacketLossConcealment& packetLossConcealment;
-  MdctDec& mdctDec;
-  LongTermPostfilter longTermPostfilter;
-
-  DatapointContainer* datapoints;
-
-  // states & outputs
-  int16_t frameN;
-
-  int16_t lastnz;
-  int16_t P_BW;
-  uint8_t lsbMode;
-  int16_t gg_ind;
-  int16_t num_tns_filters;
-  int16_t rc_order[2];
-  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;
-  uint16_t nf_seed;
-  uint16_t zeroFrame;
-  int16_t gg_off;
-  double* X_hat_q_nf;
-  double* X_hat_f;
-  double* X_s_tns;
-  double* X_hat_ss;
-  double* x_hat_clip;
-};
-
-}  // namespace Lc3Dec
-
-#endif  // __DECODER_FRAME_HPP_