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include: hush-src-multi-BaseClasses-fourcc.h /home/ae/media

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//------------------------------------------------------------------------------
// File: FourCC.h
//
// Desc: DirectShow base classes.
//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//------------------------------------------------------------------------------

// FOURCCMap
//
// provides a mapping between old-style multimedia format DWORDs
// and new-style GUIDs.
//
// A range of 4 billion GUIDs has been allocated to ensure that this
// mapping can be done straightforwardly one-to-one in both directions.
//
// January 95

ifndef __FOURCC__
define __FOURCC__

// Multimedia format types are marked with DWORDs built from four 8-bit
// chars and known as FOURCCs. New multimedia AM_MEDIA_TYPE definitions include
// a subtype GUID. In order to simplify the mapping, GUIDs in the range:
//    XXXXXXXX-0000-0010-8000-00AA00389B71
// are reserved for FOURCCs.
<h4 align=right text=red> FOURCCMap</h4><hr>
  class FOURCCMap : public GUID
{

public:
    FOURCCMap();
    FOURCCMap(DWORD Fourcc);
    FOURCCMap(const GUID *);

    DWORD GetFOURCC(void);
    void SetFOURCC(DWORD fourcc);
    void SetFOURCC(const GUID *);

private:
    void InitGUID();
};
<hr> 


define GUID_Data2      0
define GUID_Data3     0x10
define GUID_Data4_1   0xaa000080
define GUID_Data4_2   0x719b3800

inline void
FOURCCMap::InitGUID() {
    Data2 = GUID_Data2;
    Data3 = GUID_Data3;
    ((DWORD *)Data4)[0] = GUID_Data4_1;
    ((DWORD *)Data4)[1] = GUID_Data4_2;
}

inline
FOURCCMap::FOURCCMap() {
    InitGUID();
    SetFOURCC( DWORD(0));
}

inline
FOURCCMap::FOURCCMap(DWORD fourcc)
{
    InitGUID();
    SetFOURCC(fourcc);
}

inline
FOURCCMap::FOURCCMap(const GUID * pGuid)
{
    InitGUID();
    SetFOURCC(pGuid);
}

inline void
FOURCCMap::SetFOURCC(const GUID * pGuid)
{
    FOURCCMap * p = (FOURCCMap*) pGuid;
    SetFOURCC(p->GetFOURCC());
}

inline void
FOURCCMap::SetFOURCC(DWORD fourcc)
{
    Data1 = fourcc;
}

inline DWORD
FOURCCMap::GetFOURCC(void)
{
    return Data1;
}

endif /* __FOURCC__ */
<hr> <style type="text/css"> div.mainnavigate { margin: 20px 2px; /* background-color: #ffffff; */ border: 1px solid black; } </style> <div class=xnavigate> [] <black>readme</black> course(s) preface <black>I</black> 1 2 <black>II</black> 3 4 <black>III</black> 5 6 7 <black>IV</black> 8 9 10 <black>V</black> 11 12 afterthought(s) <black>appendix</black> reference(s) example(s) <black>resource(s)</black> _ </div> <hr>

(C) Æliens 20/2/2008

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