asterisk/codecs/ilbc/constants.h

80 lines
1.6 KiB
C

/******************************************************************
iLBC Speech Coder ANSI-C Source Code
constants.h
Copyright (C) The Internet Society (2004).
All Rights Reserved.
******************************************************************/
#ifndef __iLBC_CONSTANTS_H
#define __iLBC_CONSTANTS_H
#include "iLBC_define.h"
/* ULP bit allocation */
extern const iLBC_ULP_Inst_t ULP_20msTbl;
extern const iLBC_ULP_Inst_t ULP_30msTbl;
/* high pass filters */
extern float hpi_zero_coefsTbl[];
extern float hpi_pole_coefsTbl[];
extern float hpo_zero_coefsTbl[];
extern float hpo_pole_coefsTbl[];
/* low pass filters */
extern float lpFilt_coefsTbl[];
/* LPC analysis and quantization */
extern float lpc_winTbl[];
extern float lpc_asymwinTbl[];
extern float lpc_lagwinTbl[];
extern float lsfCbTbl[];
extern float lsfmeanTbl[];
extern int dim_lsfCbTbl[];
extern int size_lsfCbTbl[];
extern float lsf_weightTbl_30ms[];
extern float lsf_weightTbl_20ms[];
/* state quantization tables */
extern float state_sq3Tbl[];
extern float state_frgqTbl[];
/* gain quantization tables */
extern float gain_sq3Tbl[];
extern float gain_sq4Tbl[];
extern float gain_sq5Tbl[];
/* adaptive codebook definitions */
extern int search_rangeTbl[5][CB_NSTAGES];
extern int memLfTbl[];
extern int stMemLTbl;
extern float cbfiltersTbl[CB_FILTERLEN];
/* enhancer definitions */
extern float polyphaserTbl[];
extern float enh_plocsTbl[];
#endif