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/******************************************************************************
*
* Copyright 2022 Google LLC
*
* 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.
*
******************************************************************************/
/**
* LC3 - Packet Loss Concealment
*
* Reference : Low Complexity Communication Codec (LC3)
* Bluetooth Specification v1.0
*/
#ifndef __LC3_PLC_H
#define __LC3_PLC_H
#include "common.h"
/**
* Reset PLC state
* plc PLC State to reset
*/
void lc3_plc_reset(lc3_plc_state_t *plc);
/**
* Suspend PLC synthesis (Error-free frame decoded)
* plc PLC State
*/
void lc3_plc_suspend(lc3_plc_state_t *plc);
/**
* Synthesis of a PLC frame
* dt, sr Duration and samplerate of the frame
* plc PLC State
* x Last good spectral coefficients
* y Return emulated ones
*
* `x` and `y` can be the same buffer
*/
void lc3_plc_synthesize(enum lc3_dt dt, enum lc3_srate sr,
lc3_plc_state_t *plc, const float *x, float *y);
#endif /* __LC3_PLC_H */
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