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96 lines
1.4 KiB
C
96 lines
1.4 KiB
C
/////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// Module Name:
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//
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// Mpeg2Bits.h
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//
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// Abstract:
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//
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// This file defines the MPEG-2 section header bitfields. These are
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// defined here instead of in mpegstructs.idl because of MIDL
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// compiler conflicts with bitfield definitions.
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//
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/////////////////////////////////////////////////////////////////////////////
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#pragma once
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#pragma pack(push)
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#pragma pack(1)
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//
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// PID structure
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//
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#ifdef __midl
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typedef struct
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{
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WORD Bits;
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} PID_BITS_MIDL;
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#else
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typedef struct
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{
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WORD Reserved : 3;
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WORD ProgramId : 13;
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} PID_BITS, *PPID_BITS;
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#endif
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//
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// Generic MPEG packet header structure
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//
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#ifdef __midl
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typedef struct
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{
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WORD Bits;
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} MPEG_HEADER_BITS_MIDL;
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#else
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typedef struct
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{
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WORD SectionLength : 12;
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WORD Reserved : 2;
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WORD PrivateIndicator : 1;
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WORD SectionSyntaxIndicator : 1;
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} MPEG_HEADER_BITS, *PMPEG_HEADER_BITS;
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#endif
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//
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// Long MPEG packet header structure
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//
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#ifdef __midl
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typedef struct
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{
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BYTE Bits;
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} MPEG_HEADER_VERSION_BITS_MIDL;
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#else
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typedef struct
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{
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BYTE CurrentNextIndicator : 1;
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BYTE VersionNumber : 5;
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BYTE Reserved : 2;
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} MPEG_HEADER_VERSION_BITS, *PMPEG_HEADER_VERSION_BITS;
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#endif
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#pragma pack(pop)
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