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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 ------------------------------------------------------------------------------
20    PacketVideo Corp.
21    MP3 Decoder Library
22 
23    Filename: s_mp3bits.h
24 
25    Date: 09/21/2007
26 
27 ------------------------------------------------------------------------------
28  REVISION HISTORY
29 
30  Description:
31 
32 ------------------------------------------------------------------------------
33  INCLUDE DESCRIPTION
34 
35  This include file defines the structure, BITS
36 
37 ------------------------------------------------------------------------------
38 */
39 
40 /*----------------------------------------------------------------------------
41 ; CONTINUE ONLY IF NOT ALREADY DEFINED
42 ----------------------------------------------------------------------------*/
43 #ifndef  S_MP3BITS_H
44 #define  S_MP3BITS_H
45 
46 /*----------------------------------------------------------------------------
47 ; INCLUDES
48 ----------------------------------------------------------------------------*/
49 #include "pvmp3_audio_type_defs.h"
50 
51 /*----------------------------------------------------------------------------
52 ; MACROS
53 ; Define module specific macros here
54 ----------------------------------------------------------------------------*/
55 
56 /*----------------------------------------------------------------------------
57 ; DEFINES
58 ; Include all pre-processor statements here.
59 ----------------------------------------------------------------------------*/
60 
61 /*----------------------------------------------------------------------------
62 ; EXTERNAL VARIABLES REFERENCES
63 ; Declare variables used in this module but defined elsewhere
64 ----------------------------------------------------------------------------*/
65 
66 /*----------------------------------------------------------------------------
67 ; SIMPLE TYPEDEF'S
68 ----------------------------------------------------------------------------*/
69 
70 /*----------------------------------------------------------------------------
71 ; ENUMERATED TYPEDEF'S
72 ----------------------------------------------------------------------------*/
73 
74 /*----------------------------------------------------------------------------
75 ; STRUCTURES TYPEDEF'S
76 ----------------------------------------------------------------------------*/
77 /*
78  * Name: BITS
79  * Description: Holds information for processing the input data buffer
80  *    as a "stream". The data is in packed format.
81  * Fields:
82  *    pBuffer - pointer to the beginning of the buffer. If the data type of
83  *        this changes, make sure to update the constants in ibstream.h
84  *    usedBits - number of bits read thus far from the buffer. Bit 0 is
85  *        the LSB of pBuffer[0].
86  */
87 
88 
89 typedef struct
90 {
91     uint8       *pBuffer;
92     uint32      usedBits;
93     uint32      inputBufferCurrentLength;
94     uint32      offset;
95 } tmp3Bits;
96 
97 
98 /*----------------------------------------------------------------------------
99 ; GLOBAL FUNCTION DEFINITIONS
100 ; Function Prototype declaration
101 ----------------------------------------------------------------------------*/
102 
103 /*----------------------------------------------------------------------------
104 ; END
105 ----------------------------------------------------------------------------*/
106 #endif
107 
108