369 lines
8.8 KiB
C
369 lines
8.8 KiB
C
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//==========================================================================;
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//
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// mixmgri.h
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//
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// Copyright (C) 1992-1993 Microsoft Corporation. All Rights Reserved.
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//
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// Description:
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// This header file contains INTERNAL Mixer Manager defines and stuff.
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//
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// History:
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// 6/27/93 cjp [curtisp]
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//
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//==========================================================================;
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#ifndef _INC_MIXMGRI
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#define _INC_MIXMGRI // #defined if file has been included
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#ifndef RC_INVOKED
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#pragma pack(1) // assume byte packing throughout
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#endif
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#ifndef EXTERN_C
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#ifdef __cplusplus
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#define EXTERN_C extern "C"
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#else
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#define EXTERN_C extern
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#endif
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#endif
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#ifdef __cplusplus
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extern "C" // assume C declarations for C++
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{
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#endif
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#ifdef DEBUG
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#define RDEBUG
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#endif
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
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//
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//
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//
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//
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
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//
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//
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//
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//
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#ifndef FIELD_OFFSET
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#define FIELD_OFFSET(type, field) ((LONG)&(((type *)0)->field))
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#endif
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
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//
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//
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//
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//
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
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//
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// WARNING DANGER WARNING DANGER WARNING DANGER WARNING DANGER WARNING
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//
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// if you change the order of the following defines, you must also fix
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// gapszMxMgrFunctions[] in idrvinit.c!
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//
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// WARNING DANGER WARNING DANGER WARNING DANGER WARNING DANGER WARNING
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//
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enum {
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MXMGRTHUNK_GETNUMDEVS = 0,
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#ifdef WIN32
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MXMGRTHUNK_GETDEVCAPSA ,
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MXMGRTHUNK_GETDEVCAPS ,
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#else
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MXMGRTHUNK_GETDEVCAPS ,
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#endif // WIN32
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MXMGRTHUNK_GETID ,
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MXMGRTHUNK_OPEN ,
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MXMGRTHUNK_CLOSE ,
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MXMGRTHUNK_MESSAGE ,
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#ifdef WIN32
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MXMGRTHUNK_GETLINEINFOA ,
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MXMGRTHUNK_GETLINEINFO ,
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MXMGRTHUNK_GETLINECONTROLSA ,
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MXMGRTHUNK_GETLINECONTROLS ,
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MXMGRTHUNK_GETCONTROLDETAILSA ,
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MXMGRTHUNK_GETCONTROLDETAILS ,
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#else
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MXMGRTHUNK_GETLINEINFO ,
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MXMGRTHUNK_GETLINECONTROLS ,
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MXMGRTHUNK_GETCONTROLDETAILS ,
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#endif // WIN32
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MXMGRTHUNK_SETCONTROLDETAILS ,
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MXMGRTHUNK_MAX_FUNCTIONS
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};
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extern FARPROC gafnMxMgrFunctions[];
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//
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//
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//
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//
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UINT FNGLOBAL IMixerGetNumDevs
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(
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void
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);
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MMRESULT FNGLOBAL IMixerGetDevCaps
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(
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UINT uMxId,
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LPMIXERCAPS pmxcaps,
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UINT cbmxcaps
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);
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#ifdef WIN32
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MMRESULT FNGLOBAL IMixerGetDevCapsA
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(
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UINT uMxId,
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LPMIXERCAPSA pmxcaps,
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UINT cbmxcaps
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);
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#endif // WIN32
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MMRESULT FNGLOBAL IMixerGetID
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(
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HMIXEROBJ hmxobj,
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UINT FAR *puMxId,
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LPMIXERLINE pmxl,
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DWORD fdwId
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);
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MMRESULT FNGLOBAL IMixerOpen
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(
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LPHMIXER phmx,
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UINT uMxId,
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DWORD dwCallback,
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DWORD dwInstance,
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DWORD fdwOpen
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);
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MMRESULT FNGLOBAL IMixerClose
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(
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HMIXER hmx
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);
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DWORD FNGLOBAL IMixerMessage
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(
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HMIXER hmx,
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UINT uMsg,
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DWORD dwParam1,
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DWORD dwParam2
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);
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MMRESULT FNGLOBAL IMixerGetLineInfo
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(
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HMIXEROBJ hmxobj,
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LPMIXERLINE pmxl,
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DWORD fdwInfo
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);
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MMRESULT FNGLOBAL IMixerGetLineControls
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(
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HMIXEROBJ hmxobj,
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LPMIXERLINECONTROLS pmxlc,
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DWORD fdwControls
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);
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MMRESULT FNGLOBAL IMixerGetControlDetails
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(
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HMIXEROBJ hmxobj,
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LPMIXERCONTROLDETAILS pmxcd,
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DWORD fdwDetails
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);
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#ifdef WIN32
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MMRESULT FNGLOBAL IMixerGetLineInfoA
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(
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HMIXEROBJ hmxobj,
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LPMIXERLINEA pmxl,
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DWORD fdwInfo
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);
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MMRESULT FNGLOBAL IMixerGetLineControlsA
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(
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HMIXEROBJ hmxobj,
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LPMIXERLINECONTROLSA pmxlc,
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DWORD fdwControls
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);
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MMRESULT FNGLOBAL IMixerGetControlDetailsA
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(
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HMIXEROBJ hmxobj,
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LPMIXERCONTROLDETAILS pmxcd,
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DWORD fdwDetails
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);
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#endif // WIN32
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MMRESULT FNGLOBAL IMixerSetControlDetails
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(
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HMIXEROBJ hmxobj,
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LPMIXERCONTROLDETAILS pmxcd,
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DWORD fdwDetails
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);
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//
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//
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//
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//
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//
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BOOL FNGLOBAL IMixerUnloadDrivers
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(
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HDRVR hdrvr
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);
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BOOL FNGLOBAL IMixerLoadDrivers
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(
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HDRVR hdrvr
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);
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
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//
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// -= Handles =-
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//
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//
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//
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
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//
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// No multi-thread synchronization for 16-bit
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//
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#define ENTER_MM_HANDLE(x) TRUE
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#define LEAVE_MM_HANDLE(x)
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#define MIXMGR_ENTER
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#define MIXMGR_LEAVE
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//
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// typedef for mxdMessage
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//
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typedef DWORD (CALLBACK *DRIVERMSGPROC)
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(
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UINT uId,
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UINT uMsg,
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DWORD dwInstance,
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DWORD dwParam1,
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DWORD dwParam2
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);
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EXTERN_C DWORD FNWCALLBACK mxdMessageHack
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(
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UINT uDevId,
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UINT uMsg,
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DWORD dwUser,
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DWORD dwParam1,
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DWORD dwParam2
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);
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
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//
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// -= Parameter Validation =-
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//
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//
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//
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
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//
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// No error logging for Win32
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//
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#ifdef WIN32
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#define LogParamError(a, b, c)
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#endif // WIN32
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//
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//
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//
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BOOL FNGLOBAL ValidateReadPointer(const void FAR* p, DWORD len);
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BOOL FNGLOBAL ValidateWritePointer(const void FAR* p, DWORD len);
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BOOL FNGLOBAL ValidateDriverCallback(DWORD dwCallback, UINT uFlags);
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BOOL FNGLOBAL ValidateCallback(FARPROC lpfnCallback);
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BOOL FNGLOBAL ValidateString(LPCSTR lsz, UINT cbMaxLen);
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//
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// unless we decide differently, ALWAYS do parameter validation--even
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// in retail. this is the 'safest' thing we can do. note that we still
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// LOG parameter errors in retail (see prmvalXX).
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//
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#if 1
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#define V_HANDLE(h, t, r) { if (!ValidateHandle(h, t)) return (r); }
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#define V_RPOINTER(p, l, r) { if (!ValidateReadPointer((p), (l))) return (r); }
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#define V_WPOINTER(p, l, r) { if (!ValidateWritePointer((p), (l))) return (r); }
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#define V_DCALLBACK(d, w, r) { if (!ValidateDriverCallback((d), (w))) return (r); }
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#define V_CALLBACK(f, r) { if (!ValidateCallback(f)) return (r); }
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#define V_STRING(s, l, r) { if (!ValidateString(s,l)) return (r); }
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#define V_DFLAGS(t, b, f, r) { if ((t) & ~(b)) {LogParamError(ERR_BAD_DFLAGS, (FARPROC)(f), (LPVOID)(DWORD)(t)); return (r); }}
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#define V_FLAGS(t, b, f, r) { if ((t) & ~(b)) {LogParamError(ERR_BAD_FLAGS, (FARPROC)(f), (LPVOID)(DWORD)(t)); return (r); }}
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#else
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#define V_HANDLE(h, t, r) { if (!(h)) return (r); }
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#define V_RPOINTER(p, l, r) { if (!(p)) return (r); }
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#define V_WPOINTER(p, l, r) { if (!(p)) return (r); }
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#define V_DCALLBACK(d, w, r) 0
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#define V_CALLBACK(f, r) { if (!(f)) return (r); }
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#define V_STRING(s, l, r) { if (!(s)) return (r); }
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#define V_DFLAGS(t, b, f, r) { if ((t) & ~(b)) return (r); }
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#define V_FLAGS(t, b, f, r) { if ((t) & ~(b)) return (r); }
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#endif
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//
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// the DV_xxxx macros are for INTERNAL DEBUG builds--aid to debugging.
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// we do 'loose' parameter validation in retail and retail debug builds.
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//
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#ifdef DEBUG
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#define DV_HANDLE(h, t, r) V_HANDLE(h, t, r)
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#define DV_RPOINTER(p, l, r) V_RPOINTER(p, l, r)
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#define DV_WPOINTER(p, l, r) V_WPOINTER(p, l, r)
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#define DV_DCALLBACK(d, w, r) V_DCALLBACK(d, w, r)
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#define DV_CALLBACK(f, r) V_CALLBACK(f, r)
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#define DV_STRING(s, l, r) V_STRING(s, l, r)
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#define DV_DFLAGS(t, b, f, r) V_DFLAGS(t, b, f, r)
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#define DV_FLAGS(t, b, f, r) V_FLAGS(t, b, f, r)
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#else
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#define DV_HANDLE(h, t, r) { if (!(h)) return (r); }
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#define DV_RPOINTER(p, l, r) { if (!(p)) return (r); }
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#define DV_WPOINTER(p, l, r) { if (!(p)) return (r); }
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#define DV_DCALLBACK(d, w, r) 0
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#define DV_CALLBACK(f, r) { if (!(f)) return (r); }
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#define DV_STRING(s, l, r) { if (!(s)) return (r); }
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#define DV_DFLAGS(t, b, f, r) { if ((t) & ~(b)) return (r); }
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#define DV_FLAGS(t, b, f, r) { if ((t) & ~(b)) return (r); }
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#endif
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
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//
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//
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//
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//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ;
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#ifndef RC_INVOKED
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#pragma pack() // revert to default packing
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#endif
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#ifdef __cplusplus
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} // end of extern "C" {
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#endif
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#endif // _INC_MIXMGRI
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