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

/* 
** 
** File:        "util_lbc.h" 
** 
** Description:     Function prototypes for "util_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. 
*/ 
 
 
void    Read_lbc( Word16 *Dpnt, int Len, FILE *Fp ); 
void    Write_lbc( Word16 *Dpnt, int Len, FILE *Fp ); 
void    Rem_Dc( Word16 *Dpnt ); 
Word16  Vec_Norm( Word16 *Vect, Word16 Len ); 
void    Mem_Shift( Word16 *PrevDat, Word16 *DataBuff ); 
void    Line_Pack( LINEDEF *Line, char *Vout, Word16 Ftyp ); 
Word16* Par2Ser( Word32 Inp, Word16 *Pnt, int BitNum ); 
LINEDEF  Line_Unpk( char *Vinp, Word16 *Ftyp, Word16 Crc ); 
Word32  Ser2Par( Word16 **Pnt, int Count ); 
Word32  Comp_En( Word16 *Dpnt ); 
Word16  Sqrt_lbc( Word32 Num ); 
Word16  Rand_lbc( Word16 *p ); 
void    Scale( Word16 *Tv, Word32 Sen ); 
 
void    Line_Wr( char *, FILE * ) ; 
int     Line_Rd( char *, FILE * ) ;