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Add iLBC codec

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@852 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2003-04-15 04:36:52 +00:00
parent dbe00ec2d2
commit c4da749362
58 changed files with 6857 additions and 1 deletions
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85
codecs/ilbc/constants.h Executable file
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/******************************************************************
iLBC Speech Coder ANSI-C Source Code
constants.h
Copyright (c) 2001,
Global IP Sound AB.
All rights reserved.
******************************************************************/
#ifndef __iLBC_CONSTANTS_H
#define __iLBC_CONSTANTS_H
#include "iLBC_define.h"
/* bit allocation */
extern int lsf_bitsTbl[];
extern int start_bitsTbl;
extern int scale_bitsTbl;
extern int state_bitsTbl;
extern int cb_bitsTbl[5][CB_NSTAGES];
extern int search_rangeTbl[5][CB_NSTAGES];
extern int gain_bitsTbl[];
/* ULP bit allocation */
extern int ulp_lsf_bitsTbl[6][ULP_CLASSES+2];
extern int ulp_start_bitsTbl[];
extern int ulp_startfirst_bitsTbl[];
extern int ulp_scale_bitsTbl[];
extern int ulp_state_bitsTbl[];
extern int ulp_extra_cb_indexTbl[CB_NSTAGES][ULP_CLASSES+2];
extern int ulp_extra_cb_gainTbl[CB_NSTAGES][ULP_CLASSES+2];
extern int ulp_cb_indexTbl[NASUB][CB_NSTAGES][ULP_CLASSES+2];
extern int ulp_cb_gainTbl[NASUB][CB_NSTAGES][ULP_CLASSES+2];
/* 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[];
/* 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 memLfTbl[];
extern int stMemLTbl;
extern float cbfiltersTbl[CB_FILTERLEN];
/* enhancer definitions */
extern float polyphaserTbl[];
extern float enh_plocsTbl[];
#endif