102 lines
2.2 KiB
C
102 lines
2.2 KiB
C
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/***************************************************************************
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*
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* compdef.h
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*
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* Copyright (c) 1993 Microsoft Corporation
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*
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* 32-bit Thunks for msvideo.dll
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*
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* Structures for mapping compression manager calls
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*
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**************************************************************************/
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/**************************************************************************\
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Thunking of compman APIs
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Functions:
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ICInstall is NOT supported from 16-bit to 32-bit
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ICRemove is also NOT supported
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ICInfo - tries the 32-bit side first
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Handles
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Are pointers to the PIC table.
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The 16-bit side handle manager will store these and call us back
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with our 32-bit handles so the thunking routines here receive
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real 32-bit handles.
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There is NO handle cleanup (why not ???) on task termination
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/*
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* Make sure the compiler doesn't think it knows better about packing
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* The 16-bit stack is effectively pack(2)
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*/
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#pragma pack(2)
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/*
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* Note that everything is in the reverse order to keep with the PASCAL
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* calling convention on the other side
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*/
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/****************************************************************************
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compman entry point parameter lists
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****************************************************************************/
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typedef struct {
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#ifdef ICINFOA
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ICINFOA *lpicinfo; // Why is there no ASCII 32-bit API?
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#else
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ICINFO *lpicinfo; // Why is there no ASCII 32-bit API?
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#endif
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DWORD fccHandler;
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DWORD fccType;
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} UNALIGNED *PICInfoParms16;
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typedef struct {
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DWORD dw2;
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DWORD dw1;
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WORD msg;
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DWORD hic;
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} UNALIGNED *PICSendMessageParms16;
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typedef struct {
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WORD wMode;
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DWORD fccHandler;
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DWORD fccType;
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} UNALIGNED *PICOpenParms16;
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typedef struct {
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DWORD hic;
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} UNALIGNED *PICCloseParms16;
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typedef struct {
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DWORD dwFlags;
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WORD hpal;
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WORD hwnd;
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WORD hdc;
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short xDst;
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short yDst;
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short dxDst;
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short dyDst;
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LPBITMAPINFOHEADER lpbi;
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short xSrc;
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short ySrc;
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short dxSrc;
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short dySrc;
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DWORD dwRate;
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DWORD dwScale;
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} ICDRAWBEGIN16;
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#pragma pack()
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