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Annotation of ntddk/src/mmedia/mmdrv/mmdrv.h, revision 1.1

1.1     ! root        1: 
        !             2: /****************************************************************************
        !             3:  *
        !             4:  *   mmdrv.h
        !             5:  *
        !             6:  *   Multimedia kernel driver support component (mmdrv)
        !             7:  *
        !             8:  *   Copyright (c) 1991 Microsoft Corporation.  All Rights Reserved.
        !             9:  *
        !            10:  *   Local declarations :
        !            11:  *
        !            12:  *   -- Debug
        !            13:  *   -- Device types
        !            14:  *   -- Routine prototypes
        !            15:  *
        !            16:  *   History
        !            17:  *      01-Feb-1992 - Robin Speed (RobinSp) wrote it
        !            18:  *
        !            19:  ***************************************************************************/
        !            20: 
        !            21: /****************************************************************************
        !            22: 
        !            23:  General includes
        !            24: 
        !            25:  ***************************************************************************/
        !            26: 
        !            27: #define UNICODE
        !            28: #ifndef RC_INVOKED
        !            29: 
        !            30: #include <string.h>
        !            31: #include <stdio.h>
        !            32: 
        !            33: #endif /* RC_INVOKED */
        !            34: 
        !            35: #include <windows.h>
        !            36: #include <mmsystem.h>
        !            37: #include <devioctl.h>
        !            38: 
        !            39: #include <mmddk.h>
        !            40: 
        !            41: #if DBG
        !            42:     #define STATIC
        !            43: #else
        !            44:     #define STATIC static
        !            45: #endif
        !            46: 
        !            47: //
        !            48: // Large Integer divide - 64-bits / 32-bits -> 64-bits
        !            49: //
        !            50: 
        !            51: LARGE_INTEGER
        !            52: NTAPI
        !            53: RtlExtendedLargeIntegerDivide (
        !            54:     LARGE_INTEGER Dividend,
        !            55:     ULONG Divisor,
        !            56:     PULONG Remainder
        !            57:     );
        !            58: 
        !            59: /***************************************************************************
        !            60: 
        !            61:     DEBUGGING SUPPORT
        !            62: 
        !            63:  ***************************************************************************/
        !            64: 
        !            65: 
        !            66: #if DBG
        !            67: 
        !            68:     #define DEBUG_RETAIL
        !            69: 
        !            70:     extern int mmdrvDebugLevel;
        !            71:     extern void mmdrvDbgOut(LPSTR lpszFormat, ...);
        !            72:     extern void dDbgAssert(LPSTR exp, LPSTR file, int line);
        !            73: 
        !            74:     DWORD __dwEval;
        !            75: 
        !            76:     #define dprintf( _x_ )                            mmdrvDbgOut _x_
        !            77:     #define dprintf1( _x_ ) if (mmdrvDebugLevel >= 1) mmdrvDbgOut _x_
        !            78:     #define dprintf2( _x_ ) if (mmdrvDebugLevel >= 2) mmdrvDbgOut _x_
        !            79:     #define dprintf3( _x_ ) if (mmdrvDebugLevel >= 3) mmdrvDbgOut _x_
        !            80:     #define dprintf4( _x_ ) if (mmdrvDebugLevel >= 4) mmdrvDbgOut _x_
        !            81: 
        !            82:     #define WinAssert(exp) \
        !            83:         ((exp) ? (void)0 : dDbgAssert(#exp, __FILE__, __LINE__))
        !            84:     #define WinEval(exp) \
        !            85:         ((__dwEval=(DWORD)(exp)) ? (void)0 : dDbgAssert(#exp, __FILE__, __LINE__), __dwEval)
        !            86: 
        !            87: #else
        !            88: 
        !            89:        #define WinAssert(x) 0
        !            90:        #define WinEval(exp) exp
        !            91: 
        !            92:     #define dprintf(x)
        !            93:     #define dprintf1(x)
        !            94:     #define dprintf2(x)
        !            95:     #define dprintf3(x)
        !            96:     #define dprintf4(x)
        !            97: 
        !            98: #endif
        !            99: 
        !           100: /****************************************************************************
        !           101: 
        !           102:  Device Types
        !           103: 
        !           104:  ***************************************************************************/
        !           105:  enum {
        !           106:      InvalidDevice,
        !           107:      WaveInDevice,
        !           108:      WaveOutDevice,
        !           109:      MidiInDevice,
        !           110:      MidiOutDevice,
        !           111:      AuxDevice
        !           112:  };
        !           113: 
        !           114: /****************************************************************************
        !           115: 
        !           116:   Our heap
        !           117: 
        !           118: ****************************************************************************/
        !           119: 
        !           120:  HANDLE hHeap;
        !           121: 
        !           122: /****************************************************************************
        !           123: 
        !           124:   Our serialization
        !           125: 
        !           126: ****************************************************************************/
        !           127: 
        !           128:  CRITICAL_SECTION mmDrvCritSec;  // Serialize access to device lists
        !           129: 
        !           130: /****************************************************************************
        !           131: 
        !           132:  Local routines
        !           133: 
        !           134:  ***************************************************************************/
        !           135: 
        !           136: DWORD    sndTranslateStatus(void);
        !           137: MMRESULT sndOpenDev(UINT DeviceType, DWORD dwId,
        !           138:                     PHANDLE phDev, DWORD Access);
        !           139: DWORD    sndGetNumDevs(UINT DeviceType);
        !           140: MMRESULT sndSetData(UINT DeviceType, UINT DeviceId, UINT Length, PBYTE Data,
        !           141:                     ULONG Ioctl);
        !           142: MMRESULT sndGetData(UINT DeviceType, UINT DeviceId, UINT Length, PBYTE Data,
        !           143:                     ULONG Ioctl);
        !           144: 
        !           145: MMRESULT sndGetHandleData(HANDLE     hDev,
        !           146:                           DWORD      dwSize,
        !           147:                           PVOID      pData,
        !           148:                           ULONG      Ioctl,
        !           149:                           HANDLE     hEvent);
        !           150: 
        !           151: MMRESULT sndSetHandleData(HANDLE     hDev,
        !           152:                           DWORD      dwSize,
        !           153:                           PVOID      pData,
        !           154:                           ULONG      Ioctl,
        !           155:                           HANDLE     hEvent);
        !           156: 
        !           157: VOID     TerminateWave(VOID);
        !           158: VOID     TerminateMidi(VOID);
        !           159: 
        !           160: /****************************************************************************
        !           161: 
        !           162:   Our local driver procs
        !           163: 
        !           164: ****************************************************************************/
        !           165: 
        !           166: DWORD APIENTRY widMessage(DWORD, DWORD, DWORD, DWORD, DWORD);
        !           167: DWORD APIENTRY wodMessage(DWORD, DWORD, DWORD, DWORD, DWORD);
        !           168: DWORD APIENTRY midMessage(DWORD, DWORD, DWORD, DWORD, DWORD);
        !           169: DWORD APIENTRY modMessage(DWORD, DWORD, DWORD, DWORD, DWORD);

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