182 lines
5 KiB
C
182 lines
5 KiB
C
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/****************************************************************************
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*
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* drvlib.h
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*
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* Multimedia kernel driver support component (mmdrv)
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*
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* Copyright (c) 1991-1994 Microsoft Corporation
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*
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* Local declarations :
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*
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* -- Debug
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* -- Device types
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* -- Routine prototypes
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*
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* History
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* 06-Oct-1993 - Robin Speed (RobinSp) wrote it
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*
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***************************************************************************/
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/****************************************************************************
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General includes
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***************************************************************************/
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#ifndef RC_INVOKED
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#include <string.h>
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#include <stdio.h>
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#endif /* RC_INVOKED */
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#include <windows.h>
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#include <mmsystem.h>
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#include <devioctl.h>
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#include <mmddk.h>
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#include <soundcfg.h>
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#if DBG
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#define STATIC
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#else
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#define STATIC
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#endif
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HINSTANCE hInstance;
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/***************************************************************************
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DEBUGGING SUPPORT
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***************************************************************************/
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#if DBG
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#define DEBUG_RETAIL
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extern int mmdrvDebugLevel;
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extern void mmdrvDbgOut(LPSTR lpszFormat, ...);
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extern void dDbgAssert(LPSTR exp, LPSTR file, int line);
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DWORD __dwEval;
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#define dprintf( _x_ ) mmdrvDbgOut _x_
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#define dprintf1( _x_ ) if (mmdrvDebugLevel >= 1) mmdrvDbgOut _x_
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#define dprintf2( _x_ ) if (mmdrvDebugLevel >= 2) mmdrvDbgOut _x_
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#define dprintf3( _x_ ) if (mmdrvDebugLevel >= 3) mmdrvDbgOut _x_
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#define dprintf4( _x_ ) if (mmdrvDebugLevel >= 4) mmdrvDbgOut _x_
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#define WinAssert(exp) \
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((exp) ? (void)0 : dDbgAssert(#exp, __FILE__, __LINE__))
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#define WinEval(exp) \
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((__dwEval=(DWORD)(exp)) ? (void)0 : dDbgAssert(#exp, __FILE__, __LINE__), __dwEval)
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#else
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#define WinAssert(x) 0
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#define WinEval(exp) exp
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#define dprintf(x)
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#define dprintf1(x)
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#define dprintf2(x)
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#define dprintf3(x)
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#define dprintf4(x)
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#endif
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#define D1 dprintf1
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#define D2 dprintf2
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#define D3 dprintf3
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/****************************************************************************
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Our heap
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****************************************************************************/
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HANDLE hHeap;
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/****************************************************************************
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Our serialization
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****************************************************************************/
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CRITICAL_SECTION mmDrvCritSec; // Serialize access to device lists
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/****************************************************************************
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Local routines
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***************************************************************************/
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BOOL DrvLibInit(HINSTANCE hModule, ULONG Reason, PCONTEXT pContext);
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DWORD sndTranslateStatus(void);
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MMRESULT sndOpenDev(UINT DeviceType, DWORD dwId,
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PHANDLE phDev, DWORD Access);
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DWORD sndGetNumDevs(UINT DeviceType);
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MMRESULT sndSetData(UINT DeviceType, UINT DeviceId, UINT Length, PBYTE Data,
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ULONG Ioctl);
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MMRESULT sndGetData(UINT DeviceType, UINT DeviceId, UINT Length, PBYTE Data,
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ULONG Ioctl);
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MMRESULT sndGetHandleData(HANDLE hDev,
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DWORD dwSize,
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PVOID pData,
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ULONG Ioctl,
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HANDLE hEvent);
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MMRESULT sndSetHandleData(HANDLE hDev,
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DWORD dwSize,
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PVOID pData,
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ULONG Ioctl,
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HANDLE hEvent);
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BOOL sndFindDeviceInstanceData(DWORD DeviceType,
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DWORD dwId,
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PVOID *InstanceData);
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BOOL sndSetDeviceInstanceData(DWORD DeviceType,
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DWORD dwId,
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PVOID InstanceData);
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PVOID sndLoadDeviceData(DWORD DeviceType,
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DWORD dwId,
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LPDWORD pSize);
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MMRESULT sndFindDevices(VOID);
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VOID TerminateWave(VOID);
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VOID TerminateMidi(VOID);
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DWORD midiGetDevCaps(DWORD id, UINT DeviceType, LPBYTE lpCaps, DWORD dwSize);
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void InternalLoadString(UINT StringId, LPTSTR pszString, UINT Length);
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/****************************************************************************
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Our local driver procs
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****************************************************************************/
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DWORD APIENTRY widMessage(DWORD, DWORD, DWORD_PTR, DWORD_PTR, DWORD_PTR);
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DWORD APIENTRY wodMessage(DWORD, DWORD, DWORD_PTR, DWORD_PTR, DWORD_PTR);
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DWORD APIENTRY midMessage(DWORD, DWORD, DWORD_PTR, DWORD_PTR, DWORD_PTR);
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DWORD APIENTRY modMessage(DWORD, DWORD, DWORD_PTR, DWORD_PTR, DWORD_PTR);
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DWORD APIENTRY mxdMessage(UINT, UINT, DWORD_PTR, DWORD_PTR, DWORD_PTR);
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DWORD APIENTRY auxMessage(UINT, UINT, DWORD_PTR, DWORD_PTR, DWORD_PTR);
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/****************************************************************************
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Private messages supported by the library
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****************************************************************************/
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#define WIDM_LOWPRIORITY 0x4093
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