xref: /aosp_15_r20/external/webrtc/modules/audio_coding/codecs/ilbc/unpack_bits.h (revision d9f758449e529ab9291ac668be2861e7a55c2422)
1 /*
2  *  Copyright (c) 2012 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_UnpackBits.h
16 
17 ******************************************************************/
18 
19 #ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_UNPACK_BITS_H_
20 #define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_UNPACK_BITS_H_
21 
22 #include <stdint.h>
23 
24 #include "modules/audio_coding/codecs/ilbc/defines.h"
25 
26 /*----------------------------------------------------------------*
27  *  unpacking of bits from bitstream, i.e., vector of bytes
28  *---------------------------------------------------------------*/
29 
30 int16_t
31 WebRtcIlbcfix_UnpackBits(/* (o) "Empty" frame indicator */
32                          const uint16_t*
33                              bitstream, /* (i) The packatized bitstream */
34                          iLBC_bits*
35                              enc_bits, /* (o) Paramerers from bitstream */
36                          int16_t mode  /* (i) Codec mode (20 or 30) */
37                          );
38 
39 #endif
40