1 files changed, 0 insertions, 83 deletions
diff --git a/system/embdrv/lc3_dec/Decoder/PacketLossConcealment.cpp b/system/embdrv/lc3_dec/Decoder/PacketLossConcealment.cpp
deleted file mode 100644
index 0d038808d5..0000000000
--- a/system/embdrv/lc3_dec/Decoder/PacketLossConcealment.cpp
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * PacketLossConcealment.cpp
- *
- * 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.
- */
-
-#include "PacketLossConcealment.hpp"
-
-namespace Lc3Dec {
-
-PacketLossConcealment::PacketLossConcealment(uint16_t NE_)
-    : NE(NE_),
-      plc_seed(24607),  // this initialization need not be done every frame as
-                        // clarified by Errata 15114
-      nbLostCmpt(0),
-      alpha(1),
-      X_hat_lastGood(nullptr) {
-  X_hat_lastGood = new double[NE];
-  for (uint16_t k = 0; k < NE; k++) {
-    X_hat_lastGood[k] = 0.0;
-  }
-}
-
-PacketLossConcealment::~PacketLossConcealment() { delete[] X_hat_lastGood; }
-
-void PacketLossConcealment::run(uint8_t BEC_detect, double* X_hat,
-                                int16_t& ltpf_active) {
-  // Appendix B. Packet Loss Concealment   (d09r02_F2F)
-  if (0 == BEC_detect) {
-    nbLostCmpt = 0;
-    alpha = 1;
-    for (uint16_t k = 0; k < NE; k++) {
-      X_hat_lastGood[k] = X_hat[k];
-    }
-  } else {
-    ltpf_active = 0;  // errata 15097 implemented
-
-    if (nbLostCmpt < 0xFF) {
-      nbLostCmpt++;
-    }
-
-    // Note: from (d09r02_F2F) its is not perfectly clear,
-    //   whether alpha is modified before or after applying
-    //   it to the spectrum -> we may have to check the
-    //   given implementation with the LC3.exe reference
-    if (nbLostCmpt >= 8) {
-      alpha = 0.85 * alpha;
-    } else if (nbLostCmpt >= 4) {
-      alpha = 0.9 * alpha;
-    }
-
-    for (uint16_t k = 0; k < NE; k++) {
-      plc_seed = (16831 + plc_seed * 12821) & 0xFFFF;
-      if (plc_seed < 0x8000) {
-        X_hat[k] = alpha * X_hat_lastGood[k];
-      } else {
-        X_hat[k] = -alpha * X_hat_lastGood[k];
-      }
-    }
-  }
-}
-
-void PacketLossConcealment::registerDatapoints(DatapointContainer* datapoints) {
-  if (nullptr != datapoints) {
-    datapoints->addDatapoint("X_hat_lastGood", &X_hat_lastGood[0],
-                             sizeof(double) * NE);
-  }
-}
-
-}  // namespace Lc3Dec