www.pudn.com > G711-729.rar > EXC_LBC.H

/* 
** 
** File:        "exc_lbc.h" 
** 
** Description:     Function prototypes for "exc_lbc.c" 
**   
*/ 
 
/* 
    ITU-T G.723 Speech Coder   ANSI-C Source Code     Version 5.00 
    copyright (c) 1995, AudioCodes, DSP Group, France Telecom, 
    Universite de Sherbrooke.  All rights reserved. 
*/ 
 
 
Word16   Estim_Pitch( Word16 *Dpnt, Word16 Start ); 
PWDEF Comp_Pw( Word16 *Dpnt, Word16 Start, Word16 Olp ); 
void  Filt_Pw( Word16 *DataBuff, Word16 *Dpnt, Word16 Start, PWDEF Pw ); 
void  Find_Fcbk( Word16 *Dpnt, Word16 *ImpResp, LINEDEF *Line, Word16 Sfc ); 
void  Gen_Trn( Word16 *Dst, Word16 *Src, Word16 Olp ); 
void  Find_Best( BESTDEF *Best, Word16 *Tv, Word16 *ImpResp, Word16 Np, 
Word16 Olp ); 
void  Fcbk_Pack( Word16 *Dpnt, SFSDEF *Sfs, BESTDEF *Best, Word16 Np ); 
void  Fcbk_Unpk( Word16 *Tv, SFSDEF Sfs, Word16 Olp, Word16 Sfc ); 
void  Find_Acbk( Word16 *Tv, Word16 *ImpResp, Word16 *PrevExc, LINEDEF 
*Line, Word16 Sfc ); 
void  Get_Rez( Word16 *Tv, Word16 *PrevExc, Word16 Lag ); 
void  Decod_Acbk( Word16 *Tv, Word16 *PrevExc, Word16 Olp, Word16 Lid, 
Word16 Gid ); 
Word16 Comp_Info( Word16 *Buff, Word16 Olp, Word16 *Gain, Word16 *ShGain); 
void     Regen( Word16 *DataBuff, Word16 *Buff, Word16 Lag, Word16 Gain, 
Word16 Ecount, Word16 *Sd ); 
PFDEF Comp_Lpf( Word16 *Buff, Word16 Olp, Word16 Sfc ); 
Word16   Find_B( Word16 *Buff, Word16 Olp, Word16 Sfc ); 
Word16   Find_F( Word16 *Buff, Word16 Olp, Word16 Sfc ); 
PFDEF Get_Ind( Word16 Ind, Word16 Ten, Word16 Ccr, Word16 Enr ); 
void  Filt_Lpf( Word16 *Tv, Word16 *Buff, PFDEF Pf, Word16 Sfc ); 
void reset_max_time(void); 
Word16 search_T0 ( Word16 T0, Word16 Gid, Word16 *gain_T0); 
Word16 ACELP_LBC_code(Word16 X[], Word16 h[], Word16 T0, Word16 code[], 
            Word16 *gain, Word16 *shift, Word16 *sign, Word16 gain_T0); 
void   Cor_h(Word16 *H, Word16 *rr); 
void   Cor_h_X(Word16 h[], Word16 X[], Word16 D[]); 
Word16 D4i64_LBC(Word16 Dn[], Word16 rr[], Word16 h[], Word16 cod[], 
                 Word16 y[], Word16 *code_shift, Word16 *sign); 
Word16 G_code(Word16 X[], Word16 Y[], Word16 *gain_q);