xref: /aosp_15_r20/external/webrtc/modules/audio_coding/codecs/ilbc/state_search.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_StateSearch.h
16 
17 ******************************************************************/
18 
19 #ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_STATE_SEARCH_H_
20 #define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_STATE_SEARCH_H_
21 
22 #include <stddef.h>
23 #include <stdint.h>
24 
25 #include "modules/audio_coding/codecs/ilbc/defines.h"
26 
27 /*----------------------------------------------------------------*
28  *  encoding of start state
29  *---------------------------------------------------------------*/
30 
31 void WebRtcIlbcfix_StateSearch(
32     IlbcEncoder* iLBCenc_inst,
33     /* (i) Encoder instance */
34     iLBC_bits* iLBC_encbits, /* (i/o) Encoded bits (output idxForMax
35                                 and idxVec, input state_first) */
36     int16_t* residual,       /* (i) target residual vector */
37     int16_t* syntDenum,      /* (i) lpc synthesis filter */
38     int16_t* weightDenum     /* (i) weighting filter denuminator */
39     );
40 
41 #endif
42