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winemm16.h

/*
 * Copyright 1998, Luiz Otavio L. Zorzella
 *           1999, Eric Pouech
 *
 * Purpose:   multimedia declarations (internal to WINMM & MMSYSTEM DLLs)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "wine/mmsystem16.h"
#include "wownt32.h"

/* mmsystem (16 bit files) only functions */
void            MMDRV_Init16(void);
void        MMSYSTEM_MMTIME16to32(LPMMTIME mmt32, const MMTIME16* mmt16);
void        MMSYSTEM_MMTIME32to16(LPMMTIME16 mmt16, const MMTIME* mmt32);

typedef LONG                  (*MCIPROC16)(DWORD, HDRVR16, WORD, DWORD, DWORD);

/* HANDLE16 -> HANDLE conversions */
#define HDRVR_32(h16)         ((HDRVR)(ULONG_PTR)(h16))
#define HMIDI_32(h16)         ((HMIDI)(ULONG_PTR)(h16))
#define HMIDIIN_32(h16)       ((HMIDIIN)(ULONG_PTR)(h16))
#define HMIDIOUT_32(h16)      ((HMIDIOUT)(ULONG_PTR)(h16))
#define HMIDISTRM_32(h16)     ((HMIDISTRM)(ULONG_PTR)(h16))
#define HMIXER_32(h16)        ((HMIXER)(ULONG_PTR)(h16))
#define HMIXEROBJ_32(h16)     ((HMIXEROBJ)(ULONG_PTR)(h16))
#define HMMIO_32(h16)         ((HMMIO)(ULONG_PTR)(h16))
#define HWAVE_32(h16)         ((HWAVE)(ULONG_PTR)(h16))
#define HWAVEIN_32(h16)       ((HWAVEIN)(ULONG_PTR)(h16))
#define HWAVEOUT_32(h16)      ((HWAVEOUT)(ULONG_PTR)(h16))

/* HANDLE -> HANDLE16 conversions */
#define HDRVR_16(h32)         (LOWORD(h32))
#define HMIDI_16(h32)         (LOWORD(h32))
#define HMIDIIN_16(h32)       (LOWORD(h32))
#define HMIDIOUT_16(h32)      (LOWORD(h32))
#define HMIDISTRM_16(h32)     (LOWORD(h32))
#define HMIXER_16(h32)        (LOWORD(h32))
#define HMIXEROBJ_16(h32)     (LOWORD(h32))
#define HMMIO_16(h32)         (LOWORD(h32))
#define HWAVE_16(h32)         (LOWORD(h32))
#define HWAVEIN_16(h32)       (LOWORD(h32))
#define HWAVEOUT_16(h32)      (LOWORD(h32))

typedef enum {
    MMSYSTEM_MAP_NOMEM,       /* ko, memory problem */
    MMSYSTEM_MAP_MSGERROR,      /* ko, unknown message */
    MMSYSTEM_MAP_OK,            /* ok, no memory allocated. to be sent to the proc. */
    MMSYSTEM_MAP_OKMEM,       /* ok, some memory allocated, need to call UnMapMsg. to be sent to the proc. */
} MMSYSTEM_MapType;

extern  CRITICAL_SECTION        mmdrv_cs;

enum MMSYSTEM_DriverType
{
    MMSYSTDRV_MIXER,
    MMSYSTDRV_MIDIIN,
    MMSYSTDRV_MIDIOUT,
    MMSYSTDRV_WAVEIN,
    MMSYSTDRV_WAVEOUT,
    MMSYSTDRV_MAX
};

extern  struct mmsystdrv_thunk* MMSYSTDRV_AddThunk(DWORD pfn16, enum MMSYSTEM_DriverType kind);
extern  void                    MMSYSTDRV_DeleteThunk(struct mmsystdrv_thunk* thunk);
extern  void                    MMSYSTDRV_SetHandle(struct mmsystdrv_thunk* thunk, void* h);
extern  void                    MMSYSTDRV_CloseHandle(void* h);
extern  DWORD                   MMSYSTDRV_Message(void* h, UINT msg, DWORD_PTR param1, DWORD_PTR param2);

#define WINE_MMTHREAD_CREATED 0x4153494C  /* "BSIL" */
#define WINE_MMTHREAD_DELETED 0xDEADDEAD

typedef struct {
       DWORD                  dwSignature;            /* 00 "BSIL" when ok, 0xDEADDEAD when being deleted */
       DWORD                  dwCounter;        /* 04 > 1 when in mmThread functions */
       HANDLE                 hThread;          /* 08 hThread */
       DWORD                    dwThreadID;           /* 0C */
       DWORD            fpThread;         /* 10 address of thread proc (segptr or lin depending on dwFlags) */
       DWORD                  dwThreadPmt;      /* 14 parameter to be passed upon thread creation to fpThread */
       LONG                     dwSignalCount;        /* 18 counter used for signaling */
       HANDLE                   hEvent;               /* 1C event */
       HANDLE                   hVxD;                 /* 20 return from OpenVxDHandle */
       DWORD                    dwStatus;             /* 24 0x00, 0x10, 0x20, 0x30 */
       DWORD                  dwFlags;          /* 28 dwFlags upon creation */
       UINT16                 hTask;            /* 2C handle to created task */
} WINE_MMTHREAD;

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