xref: /aosp_15_r20/external/webrtc/modules/audio_coding/codecs/ilbc/state_construct.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_StateConstruct.h
16 
17 ******************************************************************/
18 
19 #ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_STATE_CONSTRUCT_H_
20 #define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_STATE_CONSTRUCT_H_
21 
22 #include <stddef.h>
23 #include <stdint.h>
24 
25 /*----------------------------------------------------------------*
26  *  Generate the start state from the quantized indexes
27  *---------------------------------------------------------------*/
28 
29 void WebRtcIlbcfix_StateConstruct(
30     size_t idxForMax,   /* (i) 6-bit index for the quantization of
31                                            max amplitude */
32     int16_t* idxVec,    /* (i) vector of quantization indexes */
33     int16_t* syntDenum, /* (i) synthesis filter denumerator */
34     int16_t* Out_fix,   /* (o) the decoded state vector */
35     size_t len          /* (i) length of a state vector */
36     );
37 
38 #endif
39