1 /* ------------------------------------------------------------------
2  * Copyright (C) 1998-2009 PacketVideo
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
13  * express or implied.
14  * See the License for the specific language governing permissions
15  * and limitations under the License.
16  * -------------------------------------------------------------------
17  */
18 /****************************************************************************************
19 Portions of this file are derived from the following 3GPP standard:
20 
21     3GPP TS 26.173
22     ANSI-C code for the Adaptive Multi-Rate - Wideband (AMR-WB) speech codec
23     Available from http://www.3gpp.org
24 
25 (C) 2007, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC)
26 Permission to distribute, modify and use this file under the standard license
27 terms listed above has been obtained from the copyright holder.
28 ****************************************************************************************/
29 /*
30 ------------------------------------------------------------------------------
31 
32  Name: pvamrwbdecoder_api.h
33 
34      Date: 05/02/2007
35 
36 ------------------------------------------------------------------------------
37  REVISION HISTORY
38 
39 
40  Description:
41 
42 ------------------------------------------------------------------------------
43  INCLUDE DESCRIPTION
44 
45  Main header file for the Packet Video AMR Wide  Band  decoder library. The
46  constants, structures, and functions defined within this file, along with
47  a basic data types header file, is all that is needed to use and communicate
48  with the library. The internal data structures within the library are
49  purposely hidden.
50 
51  ---* Need description of the input buffering. *-------
52 
53  ---* Need an example of calling the library here *----
54 
55 ------------------------------------------------------------------------------
56  REFERENCES
57 
58   (Normally header files do not have a reference section)
59 
60 ------------------------------------------------------------------------------
61 */
62 
63 /*----------------------------------------------------------------------------
64 ; CONTINUE ONLY IF NOT ALREADY DEFINED
65 ----------------------------------------------------------------------------*/
66 #ifndef _PVAMRWBDECODER_API_H
67 #define _PVAMRWBDECODER_API_H
68 
69 
70 /*----------------------------------------------------------------------------
71 ; INCLUDES
72 ----------------------------------------------------------------------------*/
73 #ifdef __cplusplus
74 extern "C"
75 {
76 #endif
77 
78     /*----------------------------------------------------------------------------
79     ; MACROS
80     ; Define module specific macros here
81     ----------------------------------------------------------------------------*/
82 
83     /*----------------------------------------------------------------------------
84     ; DEFINES
85     ; Include all pre-processor statements here.
86     ----------------------------------------------------------------------------*/
87 
88 #define AMR_WB_PCM_FRAME   320             /* Frame size at 16kHz     */
89 
90 
91 #define NBBITS_7k     132                  /* 6.60k  */
92 #define NBBITS_9k     177                  /* 8.85k  */
93 #define NBBITS_12k    253                  /* 12.65k */
94 #define NBBITS_14k    285                  /* 14.25k */
95 #define NBBITS_16k    317                  /* 15.85k */
96 #define NBBITS_18k    365                  /* 18.25k */
97 #define NBBITS_20k    397                  /* 19.85k */
98 #define NBBITS_23k    461                  /* 23.05k */
99 #define NBBITS_24k    477                  /* 23.85k */
100 
101 #define NBBITS_SID    35
102 
103 #define KAMRWB_NB_BITS_MAX   NBBITS_24k
104 #define KAMRWB_NB_BYTES_MAX  ((KAMRWB_NB_BITS_MAX>>3)+1)
105 
106 #define NUM_OF_MODES  10
107 
108 
109     static const int16 AMR_WB_COMPRESSED[NUM_OF_MODES] =
110     {
111         NBBITS_7k,
112         NBBITS_9k,
113         NBBITS_12k,
114         NBBITS_14k,
115         NBBITS_16k,
116         NBBITS_18k,
117         NBBITS_20k,
118         NBBITS_23k,
119         NBBITS_24k,
120         NBBITS_SID
121     };
122 
123     /*----------------------------------------------------------------------------
124     ; EXTERNAL VARIABLES REFERENCES
125     ; Declare variables used in this module but defined elsewhere
126     ----------------------------------------------------------------------------*/
127 
128     /*----------------------------------------------------------------------------
129     ; SIMPLE TYPEDEF'S
130     ----------------------------------------------------------------------------*/
131 
132     /*----------------------------------------------------------------------------
133     ; ENUMERATED TYPEDEF'S
134     ----------------------------------------------------------------------------*/
135 
136 
137     /*----------------------------------------------------------------------------
138     ; GLOBAL FUNCTION DEFINITIONS
139     ; Function Prototype declaration
140     ----------------------------------------------------------------------------*/
141 
142 
143     /*----------------------------------------------------------------------------
144     ; END
145     ----------------------------------------------------------------------------*/
146 
147 #ifdef __cplusplus
148 }
149 #endif
150 
151 
152 #endif  /* PVMP4AUDIODECODER_API_H */
153 
154 
155