LPCencode.h

00001 /*
00002  * iLBC - a library for the iLBC codec
00003  *
00004  * LPCencode.h - The iLBC low bit rate speech codec.
00005  *
00006  * Adapted by Steve Underwood <steveu@coppice.org> from the reference
00007  * iLBC code supplied in RFC3951.
00008  *
00009  * Original code Copyright (C) The Internet Society (2004).
00010  * All changes to produce this version Copyright (C) 2008 by Steve Underwood
00011  * All Rights Reserved.
00012  *
00013  * This program is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00016  *
00017  * $Id: LPCencode.h,v 1.2 2008/03/06 12:27:37 steveu Exp $
00018  */
00019 
00020 #ifndef __iLBC_LPCENCODE_H
00021 #define __iLBC_LPCENCODE_H
00022 
00023 void LPCencode(float *syntdenum,                    /* (i/o) synthesis filter coefficients
00024                                                              before/after encoding */
00025                float *weightdenum,                  /* (i/o) weighting denumerator coefficients
00026                                                              before/after encoding */
00027                int *lsf_index,                      /* (o) lsf quantization index */
00028                float *data,                         /* (i) lsf coefficients to quantize */
00029                ilbc_encode_state_t *iLBCenc_inst);  /* (i/o) the encoder state structure */
00030 
00031 #endif

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