//-------------------------------------------------------------------------
// <copyright file="mpeg2bits.h" company="Microsoft">
//  Copyright (c) Microsoft Corporation.  All rights reserved.
//
//    The use and distribution terms for this software are covered by the
//    Microsoft Limited Public License (Ms-LPL) 
//    which can be found in the file MS-LPL.txt at the root of this distribution.
//    By using this software in any fashion, you are agreeing to be bound by
//    the terms of this license.
//
//    The software is licensed “as-is.”
//
//    You must not remove this notice, or any other, from this software.
// </copyright>
// 
// <summary>
//    Demux code for Windows CE
// </summary>
//-------------------------------------------------------------------------
//======================================================================
// Demux code for Windows CE
//======================================================================


/////////////////////////////////////////////////////////////////////////////
//
//
// 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)