00001 /* 00002 * iLBC - a library for the iLBC codec 00003 * 00004 * iCBConstruct.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: iCBConstruct.h,v 1.2 2008/03/06 12:27:38 steveu Exp $ 00018 */ 00019 00020 #ifndef __iLBC_ICBCONSTRUCT_H 00021 #define __iLBC_ICBCONSTRUCT_H 00022 00023 void index_conv_enc(int *index); /* (i/o) Codebook indexes */ 00024 00025 void index_conv_dec(int *index); /* (i/o) Codebook indexes */ 00026 00027 void iCBConstruct(float *decvector, /* (o) Decoded vector */ 00028 int *index, /* (i) Codebook indices */ 00029 int *gain_index, /* (i) Gain quantization indices */ 00030 float *mem, /* (i) Buffer for codevector construction */ 00031 int lMem, /* (i) Length of buffer */ 00032 int veclen, /* (i) Length of vector */ 00033 int nStages); /* (i) Number of codebook stages */ 00034 00035 #endif