/* * iLBC - a library for the iLBC codec * * StateSearchW.h - The iLBC low bit rate speech codec. * * Adapted by Steve Underwood from the reference * iLBC code supplied in RFC3951. * * Original code Copyright (C) The Internet Society (2004). * All changes to produce this version Copyright (C) 2008 by Steve Underwood * All Rights Reserved. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * $Id: StateSearchW.h,v 1.2 2008/03/06 12:27:37 steveu Exp $ */ #ifndef __iLBC_STATESEARCHW_H #define __iLBC_STATESEARCHW_H void AbsQuantW(ilbc_encode_state_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_encode_state_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