305 lines
11 KiB
C
305 lines
11 KiB
C
|
|
||
|
|
/***************************************************************************
|
||
|
|
* mci.h
|
||
|
|
*
|
||
|
|
* Copyright (c) 1990-1998 Microsoft Corporation
|
||
|
|
*
|
||
|
|
* private include file
|
||
|
|
*
|
||
|
|
* History
|
||
|
|
*
|
||
|
|
* 17 Mar 92 - SteveDav - private file for MCI use
|
||
|
|
* 30 Apr 92 - StephenE - Converted to Unicode
|
||
|
|
*
|
||
|
|
***************************************************************************/
|
||
|
|
|
||
|
|
|
||
|
|
extern CRITICAL_SECTION mciCritSec; // used to protect process global mci variables
|
||
|
|
extern UINT cmciCritSec; // enter'ed count
|
||
|
|
extern UINT uCritSecOwner; // thread id of critical section owner
|
||
|
|
|
||
|
|
#define IDI_MCIHWND 100
|
||
|
|
#define MCI_GLOBAL_PROCESS "MCIHWND.EXE"
|
||
|
|
#define MCI_SERVER_NAME "MMSNDSRV"
|
||
|
|
|
||
|
|
#define SND_FREE 0x80000000
|
||
|
|
|
||
|
|
#ifndef DOSWIN32
|
||
|
|
BOOL ServerInit(VOID);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
extern BOOL CreatehwndNotify(VOID);
|
||
|
|
|
||
|
|
#if DBG
|
||
|
|
|
||
|
|
|
||
|
|
// Use mciCheckIn to check that we are within the critical section,
|
||
|
|
// mciCheckOut that we are not in the critical section. Neither
|
||
|
|
// routine does anything on the free build.
|
||
|
|
#define mciCheckIn() (WinAssert(uCritSecOwner==GetCurrentThreadId()))
|
||
|
|
#define mciCheckOut() (WinAssert(uCritSecOwner!=GetCurrentThreadId()))
|
||
|
|
|
||
|
|
#define mciEnter(id) dprintf4(("Entering MCI crit sec at %s Current count is %d", id, cmciCritSec)); \
|
||
|
|
EnterCriticalSection(&mciCritSec), \
|
||
|
|
uCritSecOwner=GetCurrentThreadId(), \
|
||
|
|
++cmciCritSec
|
||
|
|
|
||
|
|
#define mciLeave(id) dprintf4(("Leaving MCI crit sec at %s", id)); mciCheckIn(); if(!--cmciCritSec) uCritSecOwner=0; LeaveCriticalSection(&mciCritSec)
|
||
|
|
|
||
|
|
|
||
|
|
#else
|
||
|
|
// No counting or messages in the retail build
|
||
|
|
#define mciCheckIn()
|
||
|
|
#define mciCheckOut()
|
||
|
|
#define mciEnter(id) EnterCriticalSection(&mciCritSec)
|
||
|
|
#define mciLeave(id) LeaveCriticalSection(&mciCritSec)
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#define mciFirstEnter(id) { mciCheckOut(); mciEnter(id);}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Define the name of a handler entry point
|
||
|
|
//
|
||
|
|
|
||
|
|
#define MCI_HANDLER_PROC_NAME "DriverProc"
|
||
|
|
|
||
|
|
//
|
||
|
|
// Typedef the entry routine for a driver
|
||
|
|
//
|
||
|
|
|
||
|
|
typedef LONG (HANDLERPROC)(DWORD dwId, UINT msg, LONG lp1, LONG lp2);
|
||
|
|
typedef HANDLERPROC *LPHANDLERPROC;
|
||
|
|
|
||
|
|
//
|
||
|
|
// MCI driver info structure
|
||
|
|
//
|
||
|
|
|
||
|
|
#define MCI_HANDLER_KEY 0x49434D48 // "MCIH"
|
||
|
|
|
||
|
|
typedef struct _MCIHANDLERINFO {
|
||
|
|
DWORD dwKey;
|
||
|
|
HANDLE hModule;
|
||
|
|
LPHANDLERPROC lpHandlerProc;
|
||
|
|
DWORD dwOpenId;
|
||
|
|
|
||
|
|
} MCIHANDLERINFO, *LPMCIHANDLERINFO;
|
||
|
|
|
||
|
|
#ifndef MMNOMCI
|
||
|
|
|
||
|
|
#define SetMCIEvent(h) SetEvent(h);
|
||
|
|
#define ResetMCIEvent(h) ResetEvent(h);
|
||
|
|
|
||
|
|
#define LockMCIGlobal EnterCriticalSection(&mciGlobalCritSec);
|
||
|
|
|
||
|
|
#define UnlockMCIGlobal LeaveCriticalSection(&mciGlobalCritSec);
|
||
|
|
|
||
|
|
// Although having two unicode file name may make this structure fairly
|
||
|
|
// large it is still less than a page.
|
||
|
|
typedef struct tagGlobalMci {
|
||
|
|
UINT msg; // Function required
|
||
|
|
DWORD dwFlags; // sndPlaySound flags
|
||
|
|
LPCWSTR lszSound; //
|
||
|
|
WCHAR szSound[MAX_PATH]; //
|
||
|
|
WCHAR szDefaultSound[MAX_PATH]; // Default sound
|
||
|
|
} GLOBALMCI, * PGLOBALMCI;
|
||
|
|
|
||
|
|
extern PGLOBALMCI base;
|
||
|
|
extern HANDLE hEvent;
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
|
||
|
|
MCI support
|
||
|
|
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
#define ID_CORE_TABLE 200
|
||
|
|
|
||
|
|
#define MCI_VALID_DEVICE_ID(wID) ((wID) > 0 && (wID) < MCI_wNextDeviceID && MCI_lpDeviceList[wID])
|
||
|
|
|
||
|
|
// Make sure that no MCI command has more than this number of DWORD parameters
|
||
|
|
#define MCI_MAX_PARAM_SLOTS 20
|
||
|
|
|
||
|
|
/******* WARNING ******** Ascii specific ************************************/
|
||
|
|
#define MCI_TOLOWER(c) ((WCHAR)((c) >= 'A' && (c) <= 'Z' ? (c) + 0x20 : (c)))
|
||
|
|
/****************************************************************************/
|
||
|
|
|
||
|
|
typedef struct tagCOMMAND_TABLE_TYPE
|
||
|
|
{
|
||
|
|
HANDLE hResource;
|
||
|
|
HANDLE hModule; /* If not NULL then free module */
|
||
|
|
/* when device is free'd */
|
||
|
|
UINT wType;
|
||
|
|
PUINT lpwIndex;
|
||
|
|
LPWSTR lpResource;
|
||
|
|
#if DBG
|
||
|
|
UINT wLockCount; /* Used for debugging */
|
||
|
|
#endif
|
||
|
|
} COMMAND_TABLE_TYPE;
|
||
|
|
|
||
|
|
typedef struct tagMCI_DEVICE_NODE {
|
||
|
|
LPWSTR lpstrName; /* The name used in subsequent calls to */
|
||
|
|
/* mciSendString to refer to the device */
|
||
|
|
LPWSTR lpstrInstallName;/* The device name from system.ini */
|
||
|
|
DWORD dwMCIOpenFlags; /* Flags set on open may be: */
|
||
|
|
/* MCI_OPEN_ELEMENT_ID */
|
||
|
|
/* */
|
||
|
|
DWORD_PTR lpDriverData; /* DWORD of driver instance data */
|
||
|
|
DWORD dwElementID; /* The element ID set by MCI_OPEN_ELEMENT_ID */
|
||
|
|
YIELDPROC fpYieldProc; /* The current yield procedure if any */
|
||
|
|
DWORD dwYieldData; /* Data send to the current yield procedure */
|
||
|
|
MCIDEVICEID wDeviceID; /* The ID used in subsequent calls to */
|
||
|
|
/* mciSendCommand to refer to the device */
|
||
|
|
UINT wDeviceType; /* The type returned from the DRV_OPEN call */
|
||
|
|
/* MCI_OPEN_SHAREABLE */
|
||
|
|
/* MCI_OPEN_ELEMENT_ID */
|
||
|
|
UINT wCommandTable; /* The device type specific command table */
|
||
|
|
UINT wCustomCommandTable; /* The custom device command table if */
|
||
|
|
/* any (-1 if none) */
|
||
|
|
HANDLE hDriver; /* Module instance handle for the driver */
|
||
|
|
HTASK hCreatorTask; /* The task context the device is in */
|
||
|
|
HTASK hOpeningTask; /* The task context which sent the open command */
|
||
|
|
HANDLE hDrvDriver; /* The installable driver handle */
|
||
|
|
DWORD dwMCIFlags; /* General flags for this node */
|
||
|
|
} MCI_DEVICE_NODE;
|
||
|
|
typedef MCI_DEVICE_NODE *LPMCI_DEVICE_NODE;
|
||
|
|
|
||
|
|
/* Defines for dwMCIFlags */
|
||
|
|
#define MCINODE_ISCLOSING 0x00000001 /* Set during close to lock out other commands */
|
||
|
|
#define MCINODE_ISAUTOCLOSING 0x00010000 /* Set during auto-close to lock out other */
|
||
|
|
/* commands except an internally generated close */
|
||
|
|
#define MCINODE_ISAUTOOPENED 0x00020000 /* Device was auto opened */
|
||
|
|
#define MCINODE_16BIT_DRIVER 0x80000000 // Device is a 16-bit driver
|
||
|
|
|
||
|
|
// Macros for accessing the flag bits. Using macros is not normally my
|
||
|
|
// idea of fun, but this case seems to be justified on the grounds of
|
||
|
|
// being able to maintain control over who is accessing the flags values.
|
||
|
|
// Note that the flag value are only needed in the header file.
|
||
|
|
#define ISCLOSING(node) (((node)->dwMCIFlags) & MCINODE_ISCLOSING)
|
||
|
|
#define ISAUTOCLOSING(node) (((node)->dwMCIFlags) & MCINODE_ISAUTOCLOSING)
|
||
|
|
#define ISAUTOOPENED(node) (((node)->dwMCIFlags) & MCINODE_ISAUTOOPENED)
|
||
|
|
|
||
|
|
#define SETAUTOCLOSING(node) (((node)->dwMCIFlags) |= MCINODE_ISAUTOCLOSING)
|
||
|
|
#define SETISCLOSING(node) (((node)->dwMCIFlags) |= MCINODE_ISCLOSING)
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
LPWSTR lpstrParams;
|
||
|
|
LPWSTR *lpstrPointerList;
|
||
|
|
HANDLE hCallingTask;
|
||
|
|
UINT wParsingError;
|
||
|
|
} MCI_INTERNAL_OPEN_INFO;
|
||
|
|
typedef MCI_INTERNAL_OPEN_INFO *LPMCI_INTERNAL_OPEN_INFO;
|
||
|
|
|
||
|
|
typedef struct tagMCI_SYSTEM_MESSAGE {
|
||
|
|
LPWSTR lpstrCommand;
|
||
|
|
DWORD dwAdditionalFlags; /* Used by mciAutoOpenDevice to request */
|
||
|
|
/* Notify */
|
||
|
|
LPWSTR lpstrReturnString;
|
||
|
|
UINT uReturnLength;
|
||
|
|
HANDLE hCallingTask;
|
||
|
|
LPWSTR lpstrNewDirectory; /* The current directory of the calling */
|
||
|
|
/* task - includes the drive letter */
|
||
|
|
} MCI_SYSTEM_MESSAGE;
|
||
|
|
typedef MCI_SYSTEM_MESSAGE *LPMCI_SYSTEM_MESSAGE;
|
||
|
|
|
||
|
|
#define MCI_INIT_DEVICE_LIST_SIZE 4
|
||
|
|
#define MCI_DEVICE_LIST_GROW_SIZE 4
|
||
|
|
|
||
|
|
#define MAX_COMMAND_TABLES 20
|
||
|
|
|
||
|
|
extern BOOL MCI_bDeviceListInitialized;
|
||
|
|
|
||
|
|
extern LPMCI_DEVICE_NODE *MCI_lpDeviceList;
|
||
|
|
extern UINT MCI_wDeviceListSize;
|
||
|
|
|
||
|
|
extern MCIDEVICEID MCI_wNextDeviceID; /* the next device ID to use for a new device */
|
||
|
|
|
||
|
|
extern COMMAND_TABLE_TYPE command_tables[MAX_COMMAND_TABLES];
|
||
|
|
|
||
|
|
#define mciToLower(lpstrString) CharLower(lpstrString)
|
||
|
|
|
||
|
|
extern BOOL mciGlobalInit(void);
|
||
|
|
extern BOOL mciSoundInit(void);
|
||
|
|
|
||
|
|
extern BOOL mciInitDeviceList(void);
|
||
|
|
|
||
|
|
extern UINT mciOpenDevice( DWORD dwFlags,
|
||
|
|
LPMCI_OPEN_PARMSW lpOpenParms,
|
||
|
|
LPMCI_INTERNAL_OPEN_INFO lpOpenInfo);
|
||
|
|
|
||
|
|
extern UINT mciCloseDevice( MCIDEVICEID wID, DWORD dwFlags,
|
||
|
|
LPMCI_GENERIC_PARMS lpGeneric,
|
||
|
|
BOOL bCloseDriver);
|
||
|
|
|
||
|
|
extern UINT mciLoadTableType(UINT wType);
|
||
|
|
|
||
|
|
extern LPWSTR FindCommandInTable (UINT wTable, LPCWSTR lpstrCommand,
|
||
|
|
PUINT lpwMessage);
|
||
|
|
|
||
|
|
extern UINT mciEatToken (LPCWSTR *lplpstrInput, WCHAR cSeparater,
|
||
|
|
LPWSTR *lplpstrOutput, BOOL bMustFind);
|
||
|
|
|
||
|
|
extern LPWSTR FindCommandItem (MCIDEVICEID wDeviceID, LPCWSTR lpstrType,
|
||
|
|
LPCWSTR lpstrCommand, PUINT lpwMessage,
|
||
|
|
PUINT lpwTable);
|
||
|
|
|
||
|
|
extern UINT mciParseParams (UINT uMessage,
|
||
|
|
LPCWSTR lpstrParams,
|
||
|
|
LPCWSTR lpCommandList,
|
||
|
|
LPDWORD lpdwFlags,
|
||
|
|
LPWSTR lpOutputParams,
|
||
|
|
UINT wParamsSize,
|
||
|
|
LPWSTR **lpPointerList,
|
||
|
|
PUINT lpwParsingError);
|
||
|
|
|
||
|
|
extern UINT mciParseCommand (MCIDEVICEID wDeviceID,
|
||
|
|
LPWSTR lpstrCommand,
|
||
|
|
LPCWSTR lpstrDeviceName,
|
||
|
|
LPWSTR *lpCommandList,
|
||
|
|
PUINT lpwTable);
|
||
|
|
|
||
|
|
extern VOID mciParserFree (LPWSTR *lpstrPointerList);
|
||
|
|
|
||
|
|
extern UINT mciEatCommandEntry(LPCWSTR lpEntry, LPDWORD lpValue, PUINT lpID);
|
||
|
|
|
||
|
|
extern UINT mciGetParamSize (DWORD dwValue, UINT wID);
|
||
|
|
|
||
|
|
extern DWORD mciSysinfo (MCIDEVICEID wDeviceID, DWORD dwFlags,
|
||
|
|
LPMCI_SYSINFO_PARMSW lpSysinfo);
|
||
|
|
extern UINT mciLookUpType (LPCWSTR lpstrTypeName);
|
||
|
|
|
||
|
|
extern BOOL mciExtractDeviceType (LPCWSTR lpstrDeviceName,
|
||
|
|
LPWSTR lpstrDeviceType,
|
||
|
|
UINT uBufLen);
|
||
|
|
extern BOOL mciUnlockCommandTable (UINT wCommandTable);
|
||
|
|
|
||
|
|
extern UINT mciSetBreakKey (MCIDEVICEID wDeviceID, int nVirtKey, HWND hwndTrap);
|
||
|
|
|
||
|
|
|
||
|
|
/***************************************************************************
|
||
|
|
|
||
|
|
MCI memory allocation
|
||
|
|
|
||
|
|
***************************************************************************/
|
||
|
|
|
||
|
|
#define mciAlloc(cb) winmmAlloc((DWORD)(cb))
|
||
|
|
#define mciReAlloc(ptr, cb) winmmReAlloc((PVOID)(ptr), (DWORD)(cb))
|
||
|
|
#define mciFree(ptr) winmmFree((PVOID)(ptr))
|
||
|
|
|
||
|
|
/*
|
||
|
|
// Random stuff for MCI
|
||
|
|
*/
|
||
|
|
|
||
|
|
extern DWORD mciRelaySystemString (LPMCI_SYSTEM_MESSAGE lpMessage);
|
||
|
|
void MciNotify(DWORD wParam, LONG lParam); // in MCI.C
|
||
|
|
|
||
|
|
#endif // MMNOMCI
|
||
|
|
|
||
|
|
/*
|
||
|
|
// Some defines introduced to avoid signed/unsigned compares - and to
|
||
|
|
// remove the need for absolute constants in the code
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define MCI_ERROR_VALUE ((UINT)(-1))
|