mirror of
https://github.com/asterisk/asterisk.git
synced 2025-10-25 22:18:07 +00:00
2c65582b66
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@7221 65c4cc65-6c06-0410-ace0-fbb531ad65f3
49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
|
|
/******************************************************************
|
|
|
|
iLBC Speech Coder ANSI-C Source Code
|
|
|
|
StateSearchW.h
|
|
|
|
Copyright (C) The Internet Society (2004).
|
|
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
|
|
|
|
|