libvoipcodecs 0.0.1
iCBConstruct.h
1/*
2 * iLBC - a library for the iLBC codec
3 *
4 * iCBConstruct.h - The iLBC low bit rate speech codec.
5 *
6 * Adapted by Steve Underwood <steveu@coppice.org> from the reference
7 * iLBC code supplied in RFC3951.
8 *
9 * Original code Copyright (C) The Internet Society (2004).
10 * All changes to produce this version Copyright (C) 2008 by Steve Underwood
11 * All Rights Reserved.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16 *
17 * $Id: iCBConstruct.h,v 1.2 2008/03/06 12:27:38 steveu Exp $
18 */
19
20#ifndef __iLBC_ICBCONSTRUCT_H
21#define __iLBC_ICBCONSTRUCT_H
22
23void index_conv_enc(int *index); /* (i/o) Codebook indexes */
24
25void index_conv_dec(int *index); /* (i/o) Codebook indexes */
26
27void iCBConstruct(float *decvector, /* (o) Decoded vector */
28 int *index, /* (i) Codebook indices */
29 int *gain_index, /* (i) Gain quantization indices */
30 float *mem, /* (i) Buffer for codevector construction */
31 int lMem, /* (i) Length of buffer */
32 int veclen, /* (i) Length of vector */
33 int nStages); /* (i) Number of codebook stages */
34
35#endif