1 /*
2  *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 /******************************************************************
12 
13  iLBC Speech Coder ANSI-C Source Code
14 
15  WebRtcIlbcfix_FilteredCbVecs.h
16 
17 ******************************************************************/
18 
19 #ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_FILTERED_CB_VECS_H_
20 #define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_FILTERED_CB_VECS_H_
21 
22 #include "defines.h"
23 
24 /*----------------------------------------------------------------*
25  *  Construct an additional codebook vector by filtering the
26  *  initial codebook buffer. This vector is then used to expand
27  *  the codebook with an additional section.
28  *---------------------------------------------------------------*/
29 
30 void WebRtcIlbcfix_FilteredCbVecs(
31     int16_t *cbvectors, /* (o) Codebook vector for the higher section */
32     int16_t *CBmem,  /* (i) Codebook memory that is filtered to create a
33                                            second CB section */
34     size_t lMem,  /* (i) Length of codebook memory */
35     size_t samples    /* (i) Number of samples to filter */
36                                   );
37 
38 #endif
39