windows-nt/Source/XPSP1/NT/enduser/speech/ce/mmio/winmmi.h

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2020-09-26 03:20:57 -05:00
/***************************************************************************
* winmmi.h
*
* Copyright (c) Microsoft Corporation 1990. All rights reserved
*
* private include file
*
* History
*
* 15 Jan 92 - Robin Speed (RobinSp) and Steve Davies (SteveDav) -
* major NT update
* 6 Feb 92 - LaurieGr replaced HLOCAL by HANDLE
*
***************************************************************************/
/***************************************************************************
Useful include files for winmm component
***************************************************************************/
#ifndef WINMMI_H
#define WINMMI_H /* Protect against double inclusion */
#include <windows.h>
#include <string.h>
#include <stdio.h>
#include "mmsystem.h" /* Pick up the public header */
/*--------------------------------------------------------------------*\
* Unicode helper macros
\*--------------------------------------------------------------------*/
#define SZCODE CHAR
#define TSZCODE TCHAR
#define WSZCODE WCHAR
#define BYTE_GIVEN_CHAR(x) ( (x) * sizeof( WCHAR ) )
#define CHAR_GIVEN_BYTE(x) ( (x) / sizeof( WCHAR ) )
int Iwcstombs(LPTSTR lpstr, LPCWSTR lpwstr, int len);
int Imbstowcs(LPWSTR lpwstr, LPCTSTR lpstr, int len);
/***********************************************************************
*
* prototypes from "mmiomisc.c"
*
***********************************************************************/
PBYTE AsciiStrToUnicodeStr( PBYTE pdst, PBYTE pmax, LPCTSTR psrc );
PBYTE UnicodeStrToAsciiStr( PBYTE pdst, PBYTE pmax, LPCWSTR psrc);
LPWSTR AllocUnicodeStr( LPCTSTR lpSourceStr );
BOOL FreeUnicodeStr( LPWSTR lpStr );
LPSTR AllocAsciiStr( LPCWSTR lpSourceStr );
BOOL FreeAsciiStr( LPSTR lpStr );
/***********************************************************************
*
* prototypes from "mmio.c"
*
***********************************************************************/
void mmioCleanupIOProcs(HANDLE hTask);
/***********************************************************************
*
* Timer functions
*
***********************************************************************/
#if 0 //BUGBUG - are timer functions required?
#ifndef MMNOTIMER
BOOL TimeInit(void);
void TimeCleanup(DWORD ThreadId);
UINT timeSetEventInternal(UINT wDelay, UINT wResolution, LPTIMECALLBACK lpFunction, DWORD dwUser, UINT wFlags, BOOL IsWOW);
#endif // !MMNOTIMER
#endif
/***********************************************************************
*
* Information structure used to play sounds
*
***********************************************************************/
#define WAIT_FOREVER INFINITE
/***************************************************************************
Memory allocation using our local heap
***************************************************************************/
PVOID winmmAlloc(DWORD cb);
PVOID winmmReAlloc(PVOID ptr, DWORD cb);
//#define winmmFree(ptr) HeapFree(hHeap, 0, (ptr))
/***************************************************************************
LOCKING AND UNLOCKING MEMORY
***************************************************************************/
#if 0
BOOL HugePageLock(LPVOID lpArea, DWORD dwLength);
void HugePageUnlock(LPVOID lpArea, DWORD dwLength);
#else
#define HugePageLock(lpArea, dwLength) (TRUE)
#define HugePageUnlock(lpArea, dwLength)
#endif
/**************************************************************************
//
//**************************************************************************/
#define TYPE_UNKNOWN 0
#define TYPE_WAVEOUT 1
#define TYPE_WAVEIN 2
#define TYPE_MIDIOUT 3
#define TYPE_MIDIIN 4
#define TYPE_MMIO 5
#define TYPE_MCI 6
#define TYPE_DRVR 7
#define TYPE_MIXER 8
#define TYPE_MIDISTRM 9
#define TYPE_AUX 10
/****************************************************************************
handle apis's
****************************************************************************/
/*
// all MMSYSTEM handles are tagged with the following structure.
//
// a MMSYSTEM handle is really a fixed local memory object.
//
// the functions NewHandle() and FreeHandle() create and release a MMSYSTEM
// handle.
//
*/
typedef struct tagHNDL {
struct tagHNDL *pNext; // link to next handle
UINT uType; // type of handle wave, midi, mmio, ...
HANDLE hThread; // task that owns it
UINT h16; // Corresponding WOW handle
CRITICAL_SECTION CritSec; // Serialize access
} HNDL, *PHNDL;
/*************************************************************************/
#define HtoPH(h) ((PHNDL)(h)-1)
#define PHtoH(ph) ((ph) ? (HANDLE)((PHNDL)(ph)+1) : 0)
#define HtoPT(t,h) ((t)(h))
#define PTtoH(t,pt) ((t)(pt))
extern PHNDL pHandleList;
//
// Handles can be tested for ownership and reserved at the same time
//
#define ENTER_MM_HANDLE(h) (EnterCriticalSection(&HtoPH(h)->CritSec))
#define LEAVE_MM_HANDLE(h) ((void)LeaveCriticalSection(&HtoPH(h)->CritSec))
/*
// all wave and midi handles will be linked into
// a global list, so we can enumerate them latter if needed.
//
// all handle structures start with a HNDL structure, that contain common
fields
//
// pHandleList points to the first handle in the list
//
// HandleListCritSec protects the handle list
//
// the NewHandle() and FreeHandle() functions are used to add/remove
// a handle to/from the list
*/
//extern PHNDL pHandleList;
//extern CRITICAL_SECTION HandleListCritSec;
extern HANDLE NewHandle(UINT uType, UINT size);
extern void FreeHandle(HANDLE h);
#define GetHandleType(h) (HtoPH(h)->uType)
#define GetHandleOwner(h) (HtoPH(h)->hThread)
#define GetHandleFirst() (PHtoH(pHandleList))
#define GetHandleNext(h) (PHtoH(HtoPH(h)->pNext))
#define SetHandleOwner(h,hOwn) (HtoPH(h)->hThread = (hOwn))
#define GetWOWHandle(h) (HtoPH(h)->h16)
#define SetWOWHandle(h, myh16) (HtoPH(h)->h16 = (myh16))
/****************************************************************************
user debug support
****************************************************************************/
#define DebugErr(x,y) /* BUGBUG - put in error logging later */
#define DebugErr1(flags, sz, a)
#ifdef DEBUG_RETAIL
#define MM_GET_DEBUG DRV_USER
#define MM_GET_DEBUGOUT DRV_USER+1
#define MM_SET_DEBUGOUT DRV_USER+2
#define MM_GET_MCI_DEBUG DRV_USER+3
#define MM_SET_MCI_DEBUG DRV_USER+4
#define MM_GET_MM_DEBUG DRV_USER+5
#define MM_SET_MM_DEBUG DRV_USER+6
#define MM_HINFO_NEXT DRV_USER+10
#define MM_HINFO_TASK DRV_USER+11
#define MM_HINFO_TYPE DRV_USER+12
#define MM_HINFO_MCI DRV_USER+20
#define MM_DRV_RESTART DRV_USER+30
/*
// these validation routines can be found in DEBUG.C
*/
// The kernel validation is turned OFF because it appeared to test every page
// before use and this took over a minute for soundrec with a 10MB buffer
//
#ifdef USE_KERNEL_VALIDATION
#define ValidateReadPointer(p, len) (!IsBadReadPtr(p, len))
#define ValidateWritePointer(p, len) (!IsBadWritePtr(p, len))
#define ValidateString(lsz, max_len) (!IsBadStringPtrA(lsz, max_len))
#define ValidateStringW(lsz, max_len) (!IsBadStringPtrW(lsz, max_len))
#else
BOOL ValidateReadPointer(LPVOID p, DWORD len);
BOOL ValidateWritePointer(LPVOID p, DWORD len);
BOOL ValidateString(LPCTSTR lsz, DWORD max_len);
BOOL ValidateStringW(LPCWSTR lsz, DWORD max_len);
#endif // USE_KERNEL_VALIDATION
BOOL ValidateHandle(HANDLE h, UINT uType);
BOOL ValidateHeader(LPVOID p, UINT uSize, UINT uType);
BOOL ValidateCallbackType(DWORD dwCallback, UINT uType);
/********************************************************************
* When time permits we should change to using the Kernel supplied and
* supported validation routines:
*
* BOOL WINAPI IsBadReadPtr(CONST VOID *lp, UINT ucb );
* BOOL WINAPI IsBadWritePtr(LPVOID lp, UINT ucb );
* BOOL WINAPI IsBadHugeReadPtr(CONST VOID *lp, UINT ucb);
* BOOL WINAPI IsBadHugeWritePtr(LPVOID lp, UINT ucb);
* BOOL WINAPI IsBadCodePtr(FARPROC lpfn);
* BOOL WINAPI IsBadStringPtrA(LPCTSTR lpsz, UINT ucchMax);
* BOOL WINAPI IsBadStringPtrW(LPCWSTR lpsz, UINT ucchMax);
*
* These routines can be found in * \nt\private\WINDOWS\BASE\CLIENT\PROCESS.C
*
********************************************************************/
#define V_HANDLE(h, t, r) { if (!ValidateHandle(h, t)) return (r); }
#define BAD_HANDLE(h, t) ( !(ValidateHandle((h), (t))) )
#define V_HEADER(p, w, t, r) { if (!ValidateHeader((p), (w), (t))) return (
r); }
#define V_RPOINTER(p, l, r) { if (!ValidateReadPointer((PVOID)(p), (l)))
return (r); }
#define V_RPOINTER0(p, l, r) { if ((p) && !ValidateReadPointer((PVOID)(p),
(l))) return (r); }
#define V_WPOINTER(p, l, r) { if (!ValidateWritePointer((PVOID)(p), (l)))
return (r); }
#define V_WPOINTER0(p, l, r) { if ((p) && !ValidateWritePointer((PVOID)(p)
, (l))) return (r); }
#define V_DCALLBACK(d, w, r) { if ((d) && !ValidateCallbackType((d), (w)))
return(r); }
//#define V_DCALLBACK(d, w, r) 0
#define V_TCALLBACK(d, r) 0
#define V_CALLBACK(f, r) { if (IsBadCodePtr((f))) return (r); }
#define V_CALLBACK0(f, r) { if ((f) && IsBadCodePtr((f))) return (r); }
#define V_STRING(s, l, r) { if (!ValidateString(s,l)) return (r); }
#define V_STRING_W(s, l, r) { if (!ValidateStringW(s,l)) return (r); }
#define V_FLAGS(t, b, f, r) { if ((t) & ~(b)) { return (r); }}
#define V_DFLAGS(t, b, f, r) { if ((t) & ~(b)) {/* LogParamError(
ERR_BAD_DFLAGS, (FARPROC)(f), (LPVOID)(DWORD)(t));*/ return (r); }}
#define V_MMSYSERR(e, f, t, r) { /* LogParamError(e, (FARPROC)(f), (LPVOID)(
DWORD)(t));*/ return (r); }
#else /*ifdef DEBUG_RETAIL */
#define V_HANDLE(h, t, r) { if (!(h)) return (r); }
#define BAD_HANDLE(h, t) ( !(ValidateHandle((h), (t))) )
#define V_HEADER(p, w, t, r) { if (!(p)) return (r); }
#define V_RPOINTER(p, l, r) { if (!(p)) return (r); }
#define V_RPOINTER0(p, l, r) 0
#define V_WPOINTER(p, l, r) { if (!(p)) return (r); }
#define V_WPOINTER0(p, l, r) 0
#define V_DCALLBACK(d, w, r) { if ((d) && !ValidateCallbackType((d), (w))) return(r); }
//#define V_DCALLBACK(d, w, r) 0
#define V_TCALLBACK(d, r) 0
#define V_CALLBACK(f, r) { if (IsBadCodePtr((f))) return (r); }
#define V_CALLBACK0(f, r) { if ((f) && IsBadCodePtr((f))) return (r); }
#define V_STRING(s, l, r) { if (!(s)) return (r); }
#define V_STRING_W(s, l, r) { if (!(s)) return (r); }
#define V_FLAGS(t, b, f, r) 0
#define V_DFLAGS(t, b, f, r) { if ((t) & ~(b)) return (r); }
#define V_MMSYSERR(e, f, t, r) { return (r); }
#endif /* ifdef DEBUG_RETAIL */
/****************************************************************************
RIFF constants used to access wave files
****************************************************************************/
#define FOURCC_FMT mmioFOURCC('f', 'm', 't', ' ')
#define FOURCC_DATA mmioFOURCC('d', 'a', 't', 'a')
#define FOURCC_WAVE mmioFOURCC('W', 'A', 'V', 'E')
extern HWND hwndNotify;
void FAR PASCAL WaveOutNotify(DWORD wParam, LONG lParam); // in PLAYWAV.C
/*
// Things not in Win32
*/
/*
// other stuff
*/
// Maximum length, including the terminating NULL, of an Scheme entry.
//
#define SCH_TYPE_MAX_LENGTH 64
// Maximum length, including the terminating NULL, of an Event entry.
//
#define EVT_TYPE_MAX_LENGTH 32
// Maximum length, including the terminating NULL, of an App entry.
//
#define APP_TYPE_MAX_LENGTH 64
// Sound event names can be a fully qualified filepath with a NULL
// terminator.
//
#define MAX_SOUND_NAME_CHARS 144
// sound atom names are composed of:
// <1 char id>
// <reg key name>
// <1 char sep>
// <filepath>
//
#define MAX_SOUND_ATOM_CHARS (1 + 40 + 1 + MAX_SOUND_NAME_CHARS)
#endif /* WINMMI_H */