xref: /aosp_15_r20/external/webrtc/modules/audio_coding/codecs/ilbc/get_sync_seq.h (revision d9f758449e529ab9291ac668be2861e7a55c2422)
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_GetSyncSeq.h
16 
17 ******************************************************************/
18 
19 #ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_GET_SYNC_SEQ_H_
20 #define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_GET_SYNC_SEQ_H_
21 
22 #include <stddef.h>
23 #include <stdint.h>
24 
25 /*----------------------------------------------------------------*
26  * get the pitch-synchronous sample sequence
27  *---------------------------------------------------------------*/
28 
29 void WebRtcIlbcfix_GetSyncSeq(
30     int16_t* idata,        /* (i) original data */
31     size_t idatal,         /* (i) dimension of data */
32     size_t centerStartPos, /* (i) where current block starts */
33     size_t* period,        /* (i) rough-pitch-period array       (Q-2) */
34     const size_t* plocs, /* (i) where periods of period array are taken (Q-2) */
35     size_t periodl,      /* (i) dimension period array */
36     size_t hl,           /* (i) 2*hl+1 is the number of sequences */
37     int16_t* surround    /* (i/o) The contribution from this sequence
38                                   summed with earlier contributions */
39     );
40 
41 #endif
42