77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
/*
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* iLBC - a library for the iLBC codec
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*
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* constants.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: constants.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
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*/
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#ifndef __iLBC_CONSTANTS_H
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#define __iLBC_CONSTANTS_H
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#include "iLBC_define.h"
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#include "ilbc.h"
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/* ULP bit allocation */
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extern const ilbc_ulp_inst_t ULP_20msTbl;
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extern const ilbc_ulp_inst_t ULP_30msTbl;
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/* high pass filters */
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extern const float hpi_zero_coefsTbl[];
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extern const float hpi_pole_coefsTbl[];
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extern const float hpo_zero_coefsTbl[];
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extern const float hpo_pole_coefsTbl[];
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/* low pass filters */
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extern const float lpFilt_coefsTbl[];
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/* LPC analysis and quantization */
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extern const float lpc_winTbl[];
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extern const float lpc_asymwinTbl[];
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extern const float lpc_lagwinTbl[];
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extern const float lsfCbTbl[];
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extern const float lsfmeanTbl[];
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extern const int dim_lsfCbTbl[];
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extern const int size_lsfCbTbl[];
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extern const float lsf_weightTbl_30ms[];
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extern const float lsf_weightTbl_20ms[];
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/* state quantization tables */
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extern const float state_sq3Tbl[];
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extern const float state_frgqTbl[];
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/* gain quantization tables */
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extern const float gain_sq3Tbl[];
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extern const float gain_sq4Tbl[];
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extern const float gain_sq5Tbl[];
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/* adaptive codebook definitions */
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extern const int search_rangeTbl[5][CB_NSTAGES];
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extern const int memLfTbl[];
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extern const int stMemLTbl;
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extern const float cbfiltersTbl[CB_FILTERLEN];
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/* enhancer definitions */
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extern const float polyphaserTbl[];
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extern const float enh_plocsTbl[];
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#endif
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