ref: c85499757c148fede8604cffa12454206b6138ba
dir: /silk/PLC.h/
/***********************************************************************
Copyright (c) 2006-2011, Skype Limited. All rights reserved.
Redistribution and use in source and binary forms, with or without
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are met:
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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***********************************************************************/
#ifndef SILK_PLC_H
#define SILK_PLC_H
#include "main.h"
#define BWE_COEF 0.99
#define V_PITCH_GAIN_START_MIN_Q14 11469 /* 0.7 in Q14 */
#define V_PITCH_GAIN_START_MAX_Q14 15565 /* 0.95 in Q14 */
#define MAX_PITCH_LAG_MS 18
#define RAND_BUF_SIZE 128
#define RAND_BUF_MASK ( RAND_BUF_SIZE - 1 )
#define LOG2_INV_LPC_GAIN_HIGH_THRES 3 /* 2^3 = 8 dB LPC gain */
#define LOG2_INV_LPC_GAIN_LOW_THRES 8 /* 2^8 = 24 dB LPC gain */
#define PITCH_DRIFT_FAC_Q16 655 /* 0.01 in Q16 */
void silk_PLC_Reset(
silk_decoder_state *psDec /* I/O Decoder state */
);
void silk_PLC(
silk_decoder_state *psDec, /* I/O Decoder state */
silk_decoder_control *psDecCtrl, /* I/O Decoder control */
opus_int16 frame[], /* I/O signal */
opus_int lost, /* I Loss flag */
int arch /* I Run-time architecture */
);
void silk_PLC_glue_frames(
silk_decoder_state *psDec, /* I/O decoder state */
opus_int16 frame[], /* I/O signal */
opus_int length /* I length of signal */
);
#endif