43 lines
2.2 KiB
C
43 lines
2.2 KiB
C
/*
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* iLBC - a library for the iLBC codec
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*
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* StateSearchW.h - The iLBC low bit rate speech codec.
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*
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* Adapted by Steve Underwood <steveu@coppice.org> from the reference
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* iLBC code supplied in RFC3951.
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*
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* Original code Copyright (C) The Internet Society (2004).
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* All changes to produce this version Copyright (C) 2008 by Steve Underwood
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* All Rights Reserved.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: StateSearchW.h,v 1.2 2008/03/06 12:27:37 steveu Exp $
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*/
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#ifndef __iLBC_STATESEARCHW_H
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#define __iLBC_STATESEARCHW_H
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void AbsQuantW(ilbc_encode_state_t *iLBCenc_inst, /* (i) Encoder instance */
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float *in, /* (i) vector to encode */
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float *syntDenum, /* (i) denominator of synthesis filter */
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float *weightDenum, /* (i) denominator of weighting filter */
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int *out, /* (o) vector of quantizer indexes */
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int len, /* (i) length of vector to encode and
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vector of quantizer indexes */
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int state_first); /* (i) position of start state in the 80 vec */
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void StateSearchW(ilbc_encode_state_t *iLBCenc_inst, /* (i) Encoder instance */
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float *residual, /* (i) target residual vector */
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float *syntDenum, /* (i) lpc synthesis filter */
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float *weightDenum, /* (i) weighting filter denuminator */
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int *idxForMax, /* (o) quantizer index for maximum
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amplitude */
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int *idxVec, /* (o) vector of quantization indexes */
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int len, /* (i) length of all vectors */
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int state_first); /* (i) position of start state in the 80 vec */
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#endif
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