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_AugmentedCbCorr.h
16 
17 ******************************************************************/
18 
19 #ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_AUGMENTED_CB_CORR_H_
20 #define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_AUGMENTED_CB_CORR_H_
21 
22 #include "defines.h"
23 
24 /*----------------------------------------------------------------*
25  *  Calculate correlation between target and Augmented codebooks
26  *---------------------------------------------------------------*/
27 
28 void WebRtcIlbcfix_AugmentedCbCorr(
29     int16_t *target,   /* (i) Target vector */
30     int16_t *buffer,   /* (i) Memory buffer */
31     int16_t *interpSamples, /* (i) buffer with
32                                            interpolated samples */
33     int32_t *crossDot,  /* (o) The cross correlation between
34                                            the target and the Augmented
35                                            vector */
36     size_t low,    /* (i) Lag to start from (typically
37                                                    20) */
38     size_t high,   /* (i) Lag to end at (typically 39 */
39     int scale);   /* (i) Scale factor to use for the crossDot */
40 
41 #endif
42