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