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 WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_FILTERED_CB_VECS_H_
20#define WEBRTC_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
30void 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    int lMem,  /* (i) Length of codebook memory */
35    int16_t samples    /* (i) Number of samples to filter */
36                                  );
37
38#endif
39