ref: 68ee126e7ad40ef2aa9e1039d81608d31211b7f5
dir: /silk/PLC.h/
/***********************************************************************
Copyright (c) 2006-2011, Skype Limited. All rights reserved.
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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
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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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