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61 lines
1.7 KiB
61 lines
1.7 KiB
/****************************************************************************
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thunks.h
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Contains definitions for thunking msvideo.dll (16bit) to the 32bit
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msvfw32.dll running on NT.
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Copyright (c) Microsoft Corporation 1994. All rights reserved
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****************************************************************************/
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//
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// NOTE - 32bit handles have 0x8000 'or'ed in - this makes a BIG ASSUMPTION
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// about how handles are generated on the 32-bit side. We ASSUME here
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// that :
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//
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// msvfw32.dll always uses OpenDriver to create handles
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//
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// The OpenDriver returns indices into its table (ie small positive
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// numbers).
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//
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#define Is32bitHandle(h) (((h) & 0x8000) != 0)
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#define Make32bitHandle(h) ((h) | 0x8000)
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#define Map32bitHandle(h) ((h) & 0x7FFF)
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//
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// Functions to link and unlink to 32-bit side
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BOOL _loadds FAR InitThunks(void);
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//
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// The following functions generate calls to the 32-bit side
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//
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#ifdef _INC_MSVIDEO
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//
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// The prototypes for setting up thunks for the video api set (in AVICAP32)
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//
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DWORD FAR PASCAL videoMessage32(HVIDEO hVideo, UINT msg, DWORD dwP1, DWORD dwP2);
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DWORD FAR PASCAL videoGetNumDevs32(void);
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DWORD FAR PASCAL videoClose32(HVIDEO hVideo);
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DWORD FAR PASCAL videoOpen32(LPHVIDEO lphVideo, DWORD dwDeviceID, DWORD dwFlags);
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#endif // _INC_MSVIDEO
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#ifdef _INC_COMPMAN
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//
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// The prototypes for setting up thunks for the ICM_ api set (in MSVFW32)
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//
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BOOL FAR PASCAL ICInfo32(DWORD fccType, DWORD fccHandler, ICINFO FAR * lpicInfo);
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LRESULT FAR PASCAL ICSendMessage32(DWORD hic, UINT msg, DWORD dwP1, DWORD dwP2);
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DWORD FAR PASCAL ICOpen32(DWORD fccType, DWORD fccHandler, UINT wMode);
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LRESULT FAR PASCAL ICClose32(DWORD hic);
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#endif // _INC_COMPMAN
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