statesearchw.h

PA1688网络电话机全部源程序

    
   /****************************************************************** 
    
       iLBC Speech Coder ANSI-C Source Code 
    
       StateSearchW.h      
    
       Copyright (c) 2001, 
       Global IP Sound AB. 
       All rights reserved. 
    
   ******************************************************************/ 
    
   #ifndef __iLBC_STATESEARCHW_H 
   #define __iLBC_STATESEARCHW_H 
    
   void AbsQuantW( 
       iLBC_Enc_Inst_t *iLBCenc_inst,   
                           /* (i) Encoder instance */ 
       float *in,          /* (i) vector to encode */ 
       float *syntDenum,   /* (i) denominator of synthesis filter */ 
       float *weightDenum, /* (i) denominator of weighting filter */ 
       int *out,           /* (o) vector of quantizer indexes */ 
       int len,        /* (i) length of vector to encode and  
                                  vector of quantizer indexes */ 
       int state_first     /* (i) position of start state in the  
                                  80 vec */ 
   ); 
    
   void StateSearchW(  
       iLBC_Enc_Inst_t *iLBCenc_inst,   
     
    
    
                           /* (i) Encoder instance */ 
       float *residual,/* (i) target residual vector */ 
       float *syntDenum,   /* (i) lpc synthesis filter */ 
       float *weightDenum, /* (i) weighting filter denuminator */ 
       int *idxForMax,     /* (o) quantizer index for maximum  
                                  amplitude */ 
       int *idxVec,    /* (o) vector of quantization indexes */ 
       int len,        /* (i) length of all vectors */ 
       int state_first     /* (i) position of start state in the  
                                  80 vec */ 
   ); 
    
    
   #endif