view intercom/ilbc/StateSearchW.h @ 5:f762bf195c4b

import spandsp-0.0.3
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Fri, 25 Jun 2010 16:00:21 +0200
parents 13be24d74cd2
children
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   /******************************************************************

       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

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