summaryrefslogtreecommitdiff
path: root/dxsdk/Include/Mpeg2Bits.h
blob: 45debbb64dea731185b4c2775c61e5d0dab07ff4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
/////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
// Module Name:
//
//      Mpeg2Bits.h
//
// Abstract:
//
//      This file defines the MPEG-2 section header bitfields. These are
//      defined here instead of in mpegstructs.idl because of MIDL
//      compiler conflicts with bitfield definitions.
//
/////////////////////////////////////////////////////////////////////////////

#pragma once

#pragma pack(push)
#pragma pack(1)


//
// PID structure
//

#ifdef __midl

typedef struct
{
    WORD Bits;
} PID_BITS_MIDL;

#else

typedef struct
{
    WORD Reserved  :  3;
    WORD ProgramId : 13;
} PID_BITS, *PPID_BITS;

#endif



//
// Generic MPEG packet header structure
//

#ifdef __midl

typedef struct
{
    WORD Bits;
} MPEG_HEADER_BITS_MIDL;

#else

typedef struct
{
    WORD SectionLength          : 12;
    WORD Reserved               :  2;
    WORD PrivateIndicator       :  1;
    WORD SectionSyntaxIndicator :  1;
} MPEG_HEADER_BITS, *PMPEG_HEADER_BITS;

#endif



//
// Long MPEG packet header structure
//

#ifdef __midl

typedef struct
{
    BYTE Bits;
} MPEG_HEADER_VERSION_BITS_MIDL;

#else

typedef struct
{
    BYTE CurrentNextIndicator : 1;
    BYTE VersionNumber        : 5;
    BYTE Reserved             : 2;
} MPEG_HEADER_VERSION_BITS, *PMPEG_HEADER_VERSION_BITS;

#endif



#pragma pack(pop)