/* -*- tab-width: 8; c-basic-offset: 4 -*- */

/*
 * MMSYTEM functions
 *
 * Copyright 1993 Martin Ayotte
 */

/* 
 * Eric POUECH : 
 * 98/9	added support for Win32 MCI
 */

/* FIXME: I think there are some segmented vs. linear pointer weirdnesses 
 *        and long term pointers to 16 bit space in here
 */

#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/ioctl.h>

#include "winbase.h"
#include "windef.h"
#include "wine/winbase16.h"
#include "heap.h"
#include "user.h"
#include "driver.h"
#include "multimedia.h"
#include "callback.h"
#include "module.h"
#include "selectors.h"
#include "debugstr.h"
#include "debug.h"

DECLARE_DEBUG_CHANNEL(mmaux)
DECLARE_DEBUG_CHANNEL(mmsys)

UINT16 WINAPI midiGetErrorText(UINT16 uError, LPSTR lpText, UINT16 uSize);
static UINT16 waveGetErrorText(UINT16 uError, LPSTR lpText, UINT16 uSize);
LONG   WINAPI DrvDefDriverProc(DWORD dwDevID, HDRVR16 hDrv, WORD wMsg, 
			       DWORD dwParam1, DWORD dwParam2);

/**************************************************************************
 * 				MMSYSTEM_WEP		[MMSYSTEM.1]
 */
int WINAPI MMSYSTEM_WEP(HINSTANCE16 hInstance, WORD wDataSeg,
                        WORD cbHeapSize, LPSTR lpCmdLine)
{
    FIXME(mmsys, "STUB: Unloading MMSystem DLL ... hInst=%04X \n", hInstance);
    return(TRUE);
}

static void MMSYSTEM_MMTIME32to16(LPMMTIME16 mmt16, const MMTIME* mmt32) 
{
    mmt16->wType = mmt32->wType;
    /* layout of rest is the same for 32/16,
     * Note: mmt16->u is 2 bytes smaller than mmt32->u, which has padding
     */
    memcpy(&(mmt16->u), &(mmt32->u), sizeof(mmt16->u));
}

static void MMSYSTEM_MMTIME16to32(LPMMTIME mmt32, const MMTIME16* mmt16) 
{
    mmt32->wType = mmt16->wType;
    /* layout of rest is the same for 32/16,
     * Note: mmt16->u is 2 bytes smaller than mmt32->u, which has padding
     */
    memcpy(&(mmt32->u), &(mmt16->u), sizeof(mmt16->u));
}

static HANDLE		PlaySound_hThread = 0;
static HANDLE		PlaySound_hPlayEvent = 0;
static HANDLE		PlaySound_hReadyEvent = 0;
static HANDLE		PlaySound_hMiddleEvent = 0;
static BOOL		PlaySound_Result = FALSE;
static int		PlaySound_Stop = FALSE;
static int		PlaySound_Playing = FALSE;

static LPCSTR		PlaySound_pszSound = NULL;
static HMODULE		PlaySound_hmod = 0;
static DWORD		PlaySound_fdwSound = 0;
static int		PlaySound_Loop = FALSE;
static int		PlaySound_SearchMode = 0; /* 1 - sndPlaySound search order
						     2 - PlaySound order */

static HMMIO16	get_mmioFromFile(LPCSTR lpszName)
{
    return mmioOpen16((LPSTR)lpszName, NULL,
		      MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
}

static HMMIO16 get_mmioFromProfile(UINT uFlags, LPCSTR lpszName) 
{
    char	str[128];
    LPSTR	ptr;
    HMMIO16  	hmmio;
    
    TRACE(mmsys, "searching in SystemSound List !\n");
    GetProfileStringA("Sounds", (LPSTR)lpszName, "", str, sizeof(str));
    if (strlen(str) == 0) {
	if (uFlags & SND_NODEFAULT) return 0;
	GetProfileStringA("Sounds", "Default", "", str, sizeof(str));
	if (strlen(str) == 0) return 0;
    }
    if ((ptr = (LPSTR)strchr(str, ',')) != NULL) *ptr = '\0';
    hmmio = get_mmioFromFile(str);
    if (hmmio == 0) {
	WARN(mmsys, "can't find SystemSound='%s' !\n", str);
	return 0;
    }
    return hmmio;
}

static BOOL16 WINAPI proc_PlaySound(LPCSTR lpszSoundName, UINT uFlags)
{
    BOOL16		bRet = FALSE;
    HMMIO16		hmmio;
    MMCKINFO		ckMainRIFF;
    
    TRACE(mmsys, "SoundName='%s' uFlags=%04X !\n", lpszSoundName, uFlags);
    if (lpszSoundName == NULL) {
	TRACE(mmsys, "Stop !\n");
	return FALSE;
    }
    if (uFlags & SND_MEMORY) {
	MMIOINFO16 mminfo;
	memset(&mminfo, 0, sizeof(mminfo));
	mminfo.fccIOProc = FOURCC_MEM;
	mminfo.pchBuffer = (LPSTR)lpszSoundName;
	mminfo.cchBuffer = -1;
	TRACE(mmsys, "Memory sound %p\n", lpszSoundName);
	hmmio = mmioOpen16(NULL, &mminfo, MMIO_READ);
    } else {
	hmmio = 0;
	if (uFlags & SND_ALIAS)
	    if ((hmmio=get_mmioFromProfile(uFlags, lpszSoundName)) == 0) 
		return FALSE;
	
	if (uFlags & SND_FILENAME)
	    if ((hmmio=get_mmioFromFile(lpszSoundName)) == 0) return FALSE;
	
	if (PlaySound_SearchMode == 1) {
	    PlaySound_SearchMode = 0;
	    if ((hmmio=get_mmioFromFile(lpszSoundName)) == 0) 
		if ((hmmio=get_mmioFromProfile(uFlags, lpszSoundName)) == 0) 
		    return FALSE;
	}
	
	if (PlaySound_SearchMode == 2) {
	    PlaySound_SearchMode = 0;
	    if ((hmmio=get_mmioFromProfile(uFlags | SND_NODEFAULT, lpszSoundName)) == 0) 
		if ((hmmio=get_mmioFromFile(lpszSoundName)) == 0)	
		    if ((hmmio=get_mmioFromProfile(uFlags, lpszSoundName)) == 0) return FALSE;
	}
    }
    
    if (mmioDescend(hmmio, &ckMainRIFF, NULL, 0) == 0) 
        do {
	    TRACE(mmsys, "ParentChunk ckid=%.4s fccType=%.4s cksize=%08lX \n",
		  (LPSTR)&ckMainRIFF.ckid, (LPSTR)&ckMainRIFF.fccType, 
		  ckMainRIFF.cksize);
	    
	    if ((ckMainRIFF.ckid == FOURCC_RIFF) &&
	    	(ckMainRIFF.fccType == mmioFOURCC('W', 'A', 'V', 'E'))) {
		MMCKINFO        mmckInfo;
		
		mmckInfo.ckid = mmioFOURCC('f', 'm', 't', ' ');
		
		if (mmioDescend(hmmio, &mmckInfo, &ckMainRIFF, MMIO_FINDCHUNK) == 0) {
		    PCMWAVEFORMAT           pcmWaveFormat;
		    
		    TRACE(mmsys, "Chunk Found ckid=%.4s fccType=%.4s cksize=%08lX \n",
			  (LPSTR)&mmckInfo.ckid, (LPSTR)&mmckInfo.fccType, mmckInfo.cksize);
		    
		    if (mmioRead(hmmio, (HPSTR)&pcmWaveFormat,
				 (long) sizeof(PCMWAVEFORMAT)) == (long) sizeof(PCMWAVEFORMAT)) {
			TRACE(mmsys, "wFormatTag=%04X !\n", pcmWaveFormat.wf.wFormatTag);
			TRACE(mmsys, "nChannels=%d \n", pcmWaveFormat.wf.nChannels);
			TRACE(mmsys, "nSamplesPerSec=%ld\n", pcmWaveFormat.wf.nSamplesPerSec);
			TRACE(mmsys, "nAvgBytesPerSec=%ld\n", pcmWaveFormat.wf.nAvgBytesPerSec);
			TRACE(mmsys, "nBlockAlign=%d \n", pcmWaveFormat.wf.nBlockAlign);
			TRACE(mmsys, "wBitsPerSample=%u !\n", pcmWaveFormat.wBitsPerSample);
			
			mmckInfo.ckid = mmioFOURCC('d', 'a', 't', 'a');
			if (mmioDescend(hmmio, &mmckInfo, &ckMainRIFF, MMIO_FINDCHUNK) == 0) {
			    WAVEOPENDESC	waveDesc;
			    DWORD		dwRet;
			    
			    TRACE(mmsys, "Chunk Found ckid=%.4s fccType=%.4s cksize=%08lX\n", 
				  (LPSTR)&mmckInfo.ckid, (LPSTR)&mmckInfo.fccType, mmckInfo.cksize);
			    
			    pcmWaveFormat.wf.nAvgBytesPerSec = pcmWaveFormat.wf.nSamplesPerSec * 
				pcmWaveFormat.wf.nBlockAlign;
			    waveDesc.hWave    = 0;
			    waveDesc.lpFormat = (LPWAVEFORMAT)&pcmWaveFormat;
			    
			    dwRet = wodMessage(0, WODM_OPEN, 0, (DWORD)&waveDesc, CALLBACK_NULL);
			    if (dwRet == MMSYSERR_NOERROR) {
				WAVEHDR		waveHdr;
				HGLOBAL16	hData;
				INT		count, bufsize, left = mmckInfo.cksize;
				
				bufsize = 64000;
				hData = GlobalAlloc16(GMEM_MOVEABLE, bufsize);
				waveHdr.lpData = (LPSTR)GlobalLock16(hData);
				waveHdr.dwBufferLength = bufsize;
				waveHdr.dwUser = 0L;
				waveHdr.dwFlags = 0L;
				waveHdr.dwLoops = 0L;
				
				dwRet = wodMessage(0, WODM_PREPARE, 0, (DWORD)&waveHdr, sizeof(WAVEHDR));
				if (dwRet == MMSYSERR_NOERROR) {
				    while (left) {
                                        if (PlaySound_Stop) {
					    PlaySound_Stop = FALSE;
					    PlaySound_Loop = FALSE;
					    break;
					}
					if (bufsize > left) bufsize = left;
					count = mmioRead(hmmio, waveHdr.lpData,bufsize);
					if (count < 1) break;
					left -= count;
					waveHdr.dwBufferLength = count;
				/*	waveHdr.dwBytesRecorded = count; */
					/* FIXME: doesn't expect async ops */ 
					wodMessage(0, WODM_WRITE, 0, (DWORD)&waveHdr, sizeof(WAVEHDR));
				    }
				    wodMessage(0, WODM_UNPREPARE, 0, (DWORD)&waveHdr, sizeof(WAVEHDR));
				    wodMessage(0, WODM_CLOSE, 0, 0L, 0L);
				    
				    bRet = TRUE;
				} else 
				    WARN(mmsys, "can't prepare WaveOut device !\n");
				
				GlobalUnlock16(hData);
				GlobalFree16(hData);
			    }
			}
		    }
		}
	    }
	} while (PlaySound_Loop);
    
    if (hmmio != 0) mmioClose(hmmio, 0);
    return bRet;
}

static DWORD WINAPI PlaySound_Thread(LPVOID arg) 
{
    DWORD     res;
    
    for (;;) {
	PlaySound_Playing = FALSE;
	SetEvent(PlaySound_hReadyEvent);
	res = WaitForSingleObject(PlaySound_hPlayEvent, INFINITE);
	ResetEvent(PlaySound_hReadyEvent);
	SetEvent(PlaySound_hMiddleEvent);
	if (res == WAIT_FAILED) ExitThread(2);
	if (res != WAIT_OBJECT_0) continue;
	PlaySound_Playing = TRUE;
	
	if ((PlaySound_fdwSound & SND_RESOURCE) == SND_RESOURCE) {
	    HRSRC	hRES;
	    HGLOBAL	hGLOB;
	    void*	ptr;

	    if ((hRES = FindResourceA(PlaySound_hmod, PlaySound_pszSound, "WAVE")) == 0) {
		PlaySound_Result = FALSE;
		continue;
	    }
	    if ((hGLOB = LoadResource(PlaySound_hmod, hRES)) == 0) {
		PlaySound_Result = FALSE;
		continue;
	    }
	    if ((ptr = LockResource(hGLOB)) == NULL) {
		FreeResource(hGLOB);
		PlaySound_Result = FALSE;
		continue;
	    }
	    PlaySound_Result = proc_PlaySound(ptr, 
					      ((UINT16)PlaySound_fdwSound ^ SND_RESOURCE) | SND_MEMORY);
	    FreeResource(hGLOB);
	    continue;
	}
	PlaySound_Result=proc_PlaySound(PlaySound_pszSound, (UINT16)PlaySound_fdwSound);
    }
}

/**************************************************************************
 * 				PlaySoundA		[WINMM.1]
 */
BOOL WINAPI PlaySoundA(LPCSTR pszSound, HMODULE hmod, DWORD fdwSound)
{
    static LPSTR StrDup = NULL;
    
    TRACE(mmsys, "pszSound='%p' hmod=%04X fdwSound=%08lX\n",
	  pszSound, hmod, fdwSound);
    
    if (PlaySound_hThread == 0) { /* This is the first time they called us */
	DWORD	id;
	if ((PlaySound_hReadyEvent = CreateEventA(NULL, TRUE, FALSE, NULL)) == 0)
	    return FALSE;
	if ((PlaySound_hMiddleEvent = CreateEventA(NULL, FALSE, FALSE, NULL)) == 0)
	    return FALSE;
	if ((PlaySound_hPlayEvent = CreateEventA(NULL, FALSE, FALSE, NULL)) == 0)
	    return FALSE;
	if ((PlaySound_hThread = CreateThread(NULL, 0, PlaySound_Thread, 0, 0, &id)) == 0) 
	    return FALSE;
    }
    
    /* FIXME? I see no difference between SND_WAIT and SND_NOSTOP ! */ 
    if ((fdwSound & (SND_NOWAIT | SND_NOSTOP)) && PlaySound_Playing) 
	return FALSE;
    
    /* Trying to stop if playing */
    if (PlaySound_Playing) PlaySound_Stop = TRUE;
    
    /* Waiting playing thread to get ready. I think 10 secs is ok & if not then leave*/
    if (WaitForSingleObject(PlaySound_hReadyEvent, 1000*10) != WAIT_OBJECT_0)
	return FALSE;
    
    if (!pszSound || (fdwSound & SND_PURGE)) 
	return FALSE; /* We stoped playing so leaving */
    
    if (PlaySound_SearchMode != 1) PlaySound_SearchMode = 2;
    if (!(fdwSound & SND_ASYNC)) {
	if (fdwSound & SND_LOOP) 
	    return FALSE;
	PlaySound_pszSound = pszSound;
	PlaySound_hmod = hmod;
	PlaySound_fdwSound = fdwSound;
	PlaySound_Result = FALSE;
	SetEvent(PlaySound_hPlayEvent);
	if (WaitForSingleObject(PlaySound_hMiddleEvent, INFINITE) != WAIT_OBJECT_0) 
	    return FALSE;
	if (WaitForSingleObject(PlaySound_hReadyEvent, INFINITE) != WAIT_OBJECT_0) 
	    return FALSE;
	return PlaySound_Result;
    } else {
	PlaySound_hmod = hmod;
	PlaySound_fdwSound = fdwSound;
	PlaySound_Result = FALSE;
	if (StrDup) {
	    HeapFree(GetProcessHeap(), 0, StrDup);
	    StrDup = NULL;
	}
	if (!((fdwSound & SND_MEMORY) || ((fdwSound & SND_RESOURCE) && 
					  !((DWORD)pszSound >> 16)) || !pszSound)) {
	    StrDup = HEAP_strdupA(GetProcessHeap(), 0,pszSound);
	    PlaySound_pszSound = StrDup;
	} else PlaySound_pszSound = pszSound;
	PlaySound_Loop = fdwSound & SND_LOOP;
	SetEvent(PlaySound_hPlayEvent);
	ResetEvent(PlaySound_hMiddleEvent);
	return TRUE;
    }
    return FALSE;
}

/**************************************************************************
 * 				PlaySoundW		[WINMM.18]
 */
BOOL WINAPI PlaySoundW(LPCWSTR pszSound, HMODULE hmod, DWORD fdwSound)
{
    LPSTR 	pszSoundA;
    BOOL	bSound;
    
    if (!((fdwSound & SND_MEMORY) || ((fdwSound & SND_RESOURCE) && 
				      !((DWORD)pszSound >> 16)) || !pszSound)) {
	pszSoundA = HEAP_strdupWtoA(GetProcessHeap(), 0,pszSound);
	bSound = PlaySoundA(pszSoundA, hmod, fdwSound);
	HeapFree(GetProcessHeap(), 0,pszSoundA);
    } else  
	bSound = PlaySoundA((LPCSTR)pszSound, hmod, fdwSound);
    
    return bSound;
}

/**************************************************************************
 * 				sndPlaySoundA		[MMSYSTEM.2][WINMM135]
 */
BOOL16 WINAPI sndPlaySoundA(LPCSTR lpszSoundName, UINT16 uFlags)
{
    PlaySound_SearchMode = 1;
    return PlaySoundA(lpszSoundName, 0, uFlags);
}

/**************************************************************************
 * 				sndPlaySoundW		[WINMM.136]
 */
BOOL16 WINAPI sndPlaySoundW(LPCWSTR lpszSoundName, UINT16 uFlags)
{
    PlaySound_SearchMode = 1;
    return PlaySoundW(lpszSoundName, 0, uFlags);
}

/**************************************************************************
 * 				mmsystemGetVersion	[WINMM.134]
 */
UINT WINAPI mmsystemGetVersion()
{
    return mmsystemGetVersion16();
}

/**************************************************************************
 * 				mmsystemGetVersion	[MMSYSTEM.5]
 * return value borrowed from Win95 winmm.dll ;)
 */
UINT16 WINAPI mmsystemGetVersion16()
{
    TRACE(mmsys, "3.10 (Win95?)\n");
    return 0x030a;
}

/**************************************************************************
 * 				DriverProc			[MMSYSTEM.6]
 */
LRESULT WINAPI DriverProc16(DWORD dwDevID, HDRVR16 hDrv, WORD wMsg, 
			    DWORD dwParam1, DWORD dwParam2)
{
    return DrvDefDriverProc(dwDevID, hDrv, wMsg, dwParam1, dwParam2);
}

/**************************************************************************
 * 				DriverCallback			[MMSYSTEM.31]
 */
BOOL16 WINAPI DriverCallback16(DWORD dwCallBack, UINT16 uFlags, HANDLE16 hDev, 
			       WORD wMsg, DWORD dwUser, DWORD dwParam1, DWORD dwParam2)
{
    TRACE(mmsys, "(%08lX, %04X, %04X, %04X, %08lX, %08lX, %08lX); !\n",
	  dwCallBack, uFlags, hDev, wMsg, dwUser, dwParam1, dwParam2);

    switch (uFlags & DCB_TYPEMASK) {
    case DCB_NULL:
	TRACE(mmsys, "CALLBACK_NULL !\n");
	break;
    case DCB_WINDOW:
	TRACE(mmsys, "CALLBACK_WINDOW = %04lX handle = %04X!\n",
	      dwCallBack, hDev);
	if (!IsWindow(dwCallBack) || USER_HEAP_LIN_ADDR(hDev) == NULL)
	    return FALSE;
	Callout.PostMessageA((HWND16)dwCallBack, wMsg, hDev, dwParam1);
	break;
    case DCB_TASK:
	TRACE(mmsys, "CALLBACK_TASK !\n");
	Callout.PostThreadMessageA(dwCallBack, wMsg, hDev, dwParam1);
	break;
    case DCB_FUNCTION:
	TRACE(mmsys, "CALLBACK_FUNCTION !\n");
	Callbacks->CallDriverCallback((FARPROC16)dwCallBack, hDev, wMsg, dwUser,
				       dwParam1, dwParam2);
	break;
    case DCB_EVENT:
	TRACE(mmsys, "CALLBACK_EVENT !\n");
	SetEvent((HANDLE)dwCallBack);
	break;
    case DCB_FUNC32:
	TRACE(mmsys, "CALLBACK_FUNCTION 32bit !\n");
	((LPDRVCALLBACK)dwCallBack)(hDev, wMsg, dwUser, dwParam1, dwParam2);
	break;
    default:
	WARN(mmsys, "Unknown callback type\n");
	return FALSE;
    }
    TRACE(mmsys, "Done\n");
    return TRUE;
}

/**************************************************************************
 * 	Mixer devices. New to Win95
 */

/**************************************************************************
 * find out the real mixer ID depending on hmix (depends on dwFlags)
 * FIXME: also fix dwInstance passing to mixMessage 
 */
static UINT MIXER_GetDevID(HMIXEROBJ hmix, DWORD dwFlags) 
{
    /* FIXME: Check dwFlags for MIXER_OBJSECTF_xxxx entries and modify hmix 
     * accordingly. For now we always use mixerdevice 0. 
     */
    return 0;
}

/**************************************************************************
 * 				mixerGetNumDevs			[WINMM.108]
 */
UINT WINAPI mixerGetNumDevs(void) 
{
    UINT16	count = mixMessage(0, MXDM_GETNUMDEVS, 0L, 0L, 0L);
    
    TRACE(mmaux,"mixerGetNumDevs returns %d\n", count);
    return count;
}

/**************************************************************************
 * 				mixerGetNumDevs			[MMSYSTEM.800]
 */
UINT16 WINAPI mixerGetNumDevs16() 
{
    return mixerGetNumDevs();
}

/**************************************************************************
 * 				mixerGetDevCapsA		[WINMM.101]
 */
UINT WINAPI mixerGetDevCapsA(UINT devid, LPMIXERCAPSA mixcaps, UINT size) 
{
    return mixMessage(devid, MXDM_GETDEVCAPS, 0L, (DWORD)mixcaps, (DWORD)size);
}

/**************************************************************************
 * 				mixerGetDevCapsW		[WINMM.102]
 */
UINT WINAPI mixerGetDevCapsW(UINT devid, LPMIXERCAPSW mixcaps, UINT size) 
{
    MIXERCAPSA	micA;
    UINT	ret = mixerGetDevCapsA(devid, &micA, sizeof(micA));

    if (ret == MMSYSERR_NOERROR) {
	mixcaps->wMid           = micA.wMid;
	mixcaps->wPid           = micA.wPid;
	mixcaps->vDriverVersion = micA.vDriverVersion;
	lstrcpyAtoW(mixcaps->szPname, micA.szPname);
	mixcaps->fdwSupport     = micA.fdwSupport;
	mixcaps->cDestinations  = micA.cDestinations;
    }
    return ret;
}

/**************************************************************************
 * 				mixerGetDevCaps			[MMSYSTEM.801]
 */
UINT16 WINAPI mixerGetDevCaps16(UINT16 devid, LPMIXERCAPS16 mixcaps, UINT16 size) 
{
    MIXERCAPSA	micA;
    UINT	ret = mixerGetDevCapsA(devid, &micA, sizeof(micA));
    
    if (ret == MMSYSERR_NOERROR) {
	mixcaps->wMid           = micA.wMid;
	mixcaps->wPid           = micA.wPid;
	mixcaps->vDriverVersion = micA.vDriverVersion;
	strcpy(PTR_SEG_TO_LIN(mixcaps->szPname), micA.szPname);
	mixcaps->fdwSupport     = micA.fdwSupport;
	mixcaps->cDestinations  = micA.cDestinations;
    }
    return ret;
}

/**************************************************************************
 * 				mixerOpen			[WINMM.110]
 */
UINT WINAPI mixerOpen(LPHMIXER lphmix, UINT uDeviceID, DWORD dwCallback,
		      DWORD dwInstance, DWORD fdwOpen) 
{
    HMIXER16	hmix16;
    UINT	ret;
    
    FIXME(mmsys,"(%p, %d, %08lx, %08lx, %08lx): semi stub?\n",
	  lphmix, uDeviceID, dwCallback, dwInstance, fdwOpen);
    ret = mixerOpen16(&hmix16, uDeviceID, dwCallback, dwInstance,fdwOpen);
    if (lphmix) *lphmix = hmix16;
    return ret;
}

/**************************************************************************
 * 				mixerOpen			[MMSYSTEM.803]
 */
UINT16 WINAPI mixerOpen16(LPHMIXER16 lphmix, UINT16 uDeviceID, DWORD dwCallback,
			  DWORD dwInstance, DWORD fdwOpen) 
{
    HMIXER16		hmix;
    LPMIXEROPENDESC	lpmod;
    BOOL		mapperflag = (uDeviceID == 0);
    DWORD		dwRet = 0;
    
    TRACE(mmsys,"(%p, %d, %08lx, %08lx, %08lx)\n",
	  lphmix, uDeviceID, dwCallback, dwInstance, fdwOpen);
    hmix = USER_HEAP_ALLOC(sizeof(MIXEROPENDESC));
    if (lphmix) *lphmix = hmix;
    lpmod = (LPMIXEROPENDESC)USER_HEAP_LIN_ADDR(hmix);
    lpmod->hmx = hmix;
    lpmod->dwCallback = dwCallback;
    lpmod->dwInstance = dwInstance;
    if (uDeviceID >= MAXMIXERDRIVERS)
	uDeviceID = 0;
    while (uDeviceID < MAXMIXERDRIVERS) {
	dwRet = mixMessage(uDeviceID, MXDM_OPEN, dwInstance, (DWORD)lpmod, fdwOpen);
	if (dwRet == MMSYSERR_NOERROR) break;
	if (!mapperflag) break;
	uDeviceID++;
    }
    lpmod->uDeviceID = uDeviceID;
    
    if (dwRet != MMSYSERR_NOERROR) {
	USER_HEAP_FREE(hmix);
	if (lphmix) *lphmix = 0;
    }

    return dwRet;
}

/**************************************************************************
 * 				mixerClose			[WINMM.98]
 */
UINT WINAPI mixerClose(HMIXER hmix) 
{
    LPMIXEROPENDESC	lpmod;
    DWORD		dwRet;    

    FIXME(mmsys,"(%04x): semi-stub?\n", hmix);

    lpmod = (LPMIXEROPENDESC)USER_HEAP_LIN_ADDR(hmix);
    if (lpmod == NULL) return MMSYSERR_INVALHANDLE;
    dwRet = mixMessage(lpmod->uDeviceID, MXDM_CLOSE, lpmod->dwInstance, 0L, 0L);
    USER_HEAP_FREE(hmix);
    return dwRet;
}

/**************************************************************************
 * 				mixerClose			[MMSYSTEM.803]
 */
UINT16 WINAPI mixerClose16(HMIXER16 hmix) 
{
    return mixerClose(hmix);
}

/**************************************************************************
 * 				mixerGetID			[WINMM.103]
 */
UINT WINAPI mixerGetID(HMIXEROBJ hmix, LPUINT lpid, DWORD fdwID) 
{
    FIXME(mmsys,"(%04x %p %08lx): semi-stub\n", hmix, lpid, fdwID);

    if (lpid)
      *lpid = MIXER_GetDevID(hmix, fdwID);

    return MMSYSERR_NOERROR; /* FIXME: many error possibilities */
}

/**************************************************************************
 * 				mixerGetID
 */
UINT16 WINAPI mixerGetID16(HMIXEROBJ16 hmix, LPUINT16 lpid, DWORD fdwID) 
{
    UINT	xid;    
    UINT	ret = mixerGetID(hmix, &xid, fdwID);

    if (lpid) 
	*lpid = xid;
    return ret;
}

/**************************************************************************
 * 				mixerGetControlDetailsA	[WINMM.99]
 */
UINT WINAPI mixerGetControlDetailsA(HMIXEROBJ hmix, LPMIXERCONTROLDETAILS lpmcd, DWORD fdwDetails) 
{
    FIXME(mmsys,"(%04x, %p, %08lx): stub!\n", hmix, lpmcd, fdwDetails);
    return MMSYSERR_NOTENABLED;
}

/**************************************************************************
 * 				mixerGetControlDetailsW	[WINMM.100]
 */
UINT WINAPI mixerGetControlDetailsW(HMIXEROBJ hmix, LPMIXERCONTROLDETAILS lpmcd, DWORD fdwDetails) 
{
    FIXME(mmsys,"(%04x, %p, %08lx): stub!\n", hmix, lpmcd, fdwDetails);
    return MMSYSERR_NOTENABLED;
}

/**************************************************************************
 * 				mixerGetControlDetails	[MMSYSTEM.808]
 */
UINT16 WINAPI mixerGetControlDetails16(HMIXEROBJ16 hmix, LPMIXERCONTROLDETAILS16 lpmcd, DWORD fdwDetails) 
{
    FIXME(mmsys,"(%04x, %p, %08lx): stub!\n", hmix, lpmcd, fdwDetails);
    return MMSYSERR_NOTENABLED;
}

/**************************************************************************
 * 				mixerGetLineControlsA	[WINMM.104]
 */
UINT WINAPI mixerGetLineControlsA(HMIXEROBJ hmix, LPMIXERLINECONTROLSA lpmlc, DWORD fdwControls) 
{
    UINT	uDevID;

    FIXME(mmsys,"(%04x, %p, %08lx): stub!\n", hmix, lpmlc, fdwControls);

    uDevID = MIXER_GetDevID(hmix, 0);

    return mixMessage(uDevID, MXDM_GETLINECONTROLS, 0, (DWORD)lpmlc, fdwControls);
}

/**************************************************************************
 * 				mixerGetLineControlsW		[WINMM.105]
 */
UINT WINAPI mixerGetLineControlsW(HMIXEROBJ hmix, LPMIXERLINECONTROLSW lpmlc, DWORD fdwControls) 
{
    FIXME(mmsys,"(%04x, %p, %08lx): stub!\n", hmix, lpmlc, fdwControls);
    return MMSYSERR_NOTENABLED;
}

/**************************************************************************
 * 				mixerGetLineControls		[MMSYSTEM.807]
 */
UINT16 WINAPI mixerGetLineControls16(HMIXEROBJ16 hmix, LPMIXERLINECONTROLS16 lpmlc, DWORD fdwControls) 
{
    FIXME(mmsys,"(%04x, %p, %08lx): stub!\n", hmix, lpmlc, fdwControls);
    return MMSYSERR_NOTENABLED;
}

/**************************************************************************
 * 				mixerGetLineInfoA		[WINMM.106]
 */
UINT WINAPI mixerGetLineInfoA(HMIXEROBJ hmix, LPMIXERLINEA lpml, DWORD fdwInfo) 
{
    UINT16 devid;
    
    TRACE(mmsys, "(%04x, %p, %08lx)\n", hmix, lpml, fdwInfo);
    
    /* FIXME: I'm not sure of the flags */
    devid = MIXER_GetDevID(hmix, fdwInfo);
    return mixMessage(devid, MXDM_GETLINEINFO, 0, (DWORD)lpml, fdwInfo);
}

/**************************************************************************
 * 				mixerGetLineInfoW		[WINMM.107]
 */
UINT WINAPI mixerGetLineInfoW(HMIXEROBJ hmix, LPMIXERLINEW lpml, DWORD fdwInfo) 
{
    MIXERLINEA		mlA;
    UINT		ret;
    
    TRACE(mmsys,"(%04x, %p, %08lx)\n", hmix, lpml, fdwInfo);

    if (lpml == NULL || lpml->cbStruct != sizeof(*lpml)) 
	return MMSYSERR_INVALPARAM;

    mlA.cbStruct = sizeof(mlA);
    mlA.dwDestination = lpml->dwDestination;
    mlA.dwSource = lpml->dwSource; 
    mlA.dwLineID = lpml->dwLineID; 
    mlA.dwUser = lpml->dwUser; 
    mlA.dwComponentType = lpml->dwComponentType; 
    mlA.cChannels = lpml->cChannels; 
    mlA.cConnections = lpml->cConnections; 
    mlA.cControls = lpml->cControls; 

    ret = mixerGetLineInfoA(hmix, &mlA, fdwInfo);

    lpml->dwDestination = mlA.dwDestination;
    lpml->dwSource = mlA.dwSource;
    lpml->dwLineID = mlA.dwLineID;
    lpml->fdwLine = mlA.fdwLine;
    lpml->dwUser = mlA.dwUser;
    lpml->dwComponentType = mlA.dwComponentType;
    lpml->cChannels = mlA.cChannels;
    lpml->cConnections = mlA.cConnections;
    lpml->cControls = mlA.cControls;
    lstrcpyAtoW(lpml->szShortName, mlA.szShortName);
    lstrcpyAtoW(lpml->szName, mlA.szName);
    lpml->Target.dwType = mlA.Target.dwType;
    lpml->Target.dwDeviceID = mlA.Target.dwDeviceID;
    lpml->Target.wMid = mlA.Target.wMid;
    lpml->Target.wPid = mlA.Target.wPid;
    lpml->Target.vDriverVersion = mlA.Target.vDriverVersion;
    lstrcpyAtoW(lpml->Target.szPname, mlA.Target.szPname);

    return ret;
}

/**************************************************************************
 * 				mixerGetLineInfo	[MMSYSTEM.805]
 */
UINT16 WINAPI mixerGetLineInfo16(HMIXEROBJ16 hmix, LPMIXERLINE16 lpml, DWORD fdwInfo) 
{
    MIXERLINEA		mlA;
    UINT		ret;
    
    TRACE(mmsys, "(%04x, %p, %08lx)\n", hmix, lpml, fdwInfo);

    if (lpml == NULL || lpml->cbStruct != sizeof(*lpml)) 
	return MMSYSERR_INVALPARAM;

    mlA.cbStruct           	= sizeof(mlA);
    mlA.dwDestination      	= lpml->dwDestination;
    mlA.dwSource           	= lpml->dwSource; 
    mlA.dwLineID           	= lpml->dwLineID; 
    mlA.dwUser             	= lpml->dwUser; 
    mlA.dwComponentType    	= lpml->dwComponentType; 
    mlA.cChannels          	= lpml->cChannels; 
    mlA.cConnections       	= lpml->cConnections; 
    mlA.cControls          	= lpml->cControls; 

    ret = mixerGetLineInfoA(hmix, &mlA, fdwInfo);

    lpml->dwDestination     	= mlA.dwDestination;
    lpml->dwSource          	= mlA.dwSource;
    lpml->dwLineID          	= mlA.dwLineID;
    lpml->fdwLine           	= mlA.fdwLine;
    lpml->dwUser            	= mlA.dwUser;
    lpml->dwComponentType   	= mlA.dwComponentType;
    lpml->cChannels         	= mlA.cChannels;
    lpml->cConnections      	= mlA.cConnections;
    lpml->cControls         	= mlA.cControls;
    strcpy(PTR_SEG_TO_LIN(lpml->szShortName), mlA.szShortName);
    strcpy(PTR_SEG_TO_LIN(lpml->szName), mlA.szName);
    lpml->Target.dwType     	= mlA.Target.dwType;
    lpml->Target.dwDeviceID 	= mlA.Target.dwDeviceID;
    lpml->Target.wMid       	= mlA.Target.wMid;
    lpml->Target.wPid           = mlA.Target.wPid;
    lpml->Target.vDriverVersion = mlA.Target.vDriverVersion;
    strcpy(PTR_SEG_TO_LIN(lpml->Target.szPname), mlA.Target.szPname);
    return ret;
}

/**************************************************************************
 * 				mixerSetControlDetails	[WINMM.111]
 */
UINT WINAPI mixerSetControlDetails(HMIXEROBJ hmix, LPMIXERCONTROLDETAILS lpmcd, DWORD fdwDetails) 
{
    FIXME(mmsys,"(%04x, %p, %08lx): stub!\n", hmix, lpmcd, fdwDetails);
    return MMSYSERR_NOTENABLED;
}

/**************************************************************************
 * 				mixerSetControlDetails	[MMSYSTEM.809]
 */
UINT16 WINAPI mixerSetControlDetails16(HMIXEROBJ16 hmix, LPMIXERCONTROLDETAILS16 lpmcd, DWORD fdwDetails) 
{
    FIXME(mmsys,"(%04x, %p, %08lx): stub!\n", hmix, lpmcd, fdwDetails);
    return MMSYSERR_NOTENABLED;
}

/**************************************************************************
 * 				mixerMessage		[WINMM.109]
 */
UINT WINAPI mixerMessage(HMIXER hmix, UINT uMsg, DWORD dwParam1, DWORD dwParam2) 
{
    LPMIXEROPENDESC	lpmod;
    UINT16		uDeviceID;
    
    lpmod = (LPMIXEROPENDESC)USER_HEAP_LIN_ADDR(hmix);
    if (lpmod)
	uDeviceID = lpmod->uDeviceID;
    else
	uDeviceID = 0;
    FIXME(mmsys,"(%04lx, %d, %08lx, %08lx): semi-stub?\n",
	  (DWORD)hmix, uMsg, dwParam1, dwParam2);
    return mixMessage(uDeviceID, uMsg, 0L, dwParam1, dwParam2);
}

/**************************************************************************
 * 				mixerMessage		[MMSYSTEM.804]
 */
UINT16 WINAPI mixerMessage16(HMIXER16 hmix, UINT16 uMsg, DWORD dwParam1, DWORD dwParam2) 
{
    LPMIXEROPENDESC	lpmod;
    UINT16		uDeviceID;
    
    lpmod = (LPMIXEROPENDESC)USER_HEAP_LIN_ADDR(hmix);
    uDeviceID = (lpmod) ? lpmod->uDeviceID : 0;
    FIXME(mmsys,"(%04x, %d, %08lx, %08lx) - semi-stub?\n",
	  hmix, uMsg, dwParam1, dwParam2);
    return mixMessage(uDeviceID, uMsg, 0L, dwParam1, dwParam2);
}

/**************************************************************************
 * 				auxGetNumDevs		[WINMM.22]
 */
UINT WINAPI auxGetNumDevs()
{
    return auxGetNumDevs16();
}

/**************************************************************************
 * 				auxGetNumDevs		[MMSYSTEM.350]
 */
UINT16 WINAPI auxGetNumDevs16()
{
    UINT16	count;

    TRACE(mmsys, "\n");
    count = auxMessage(0, AUXDM_GETNUMDEVS, 0L, 0L, 0L);
    TRACE(mmsys, "=> %u\n", count);
    return count;
}

/**************************************************************************
 * 				auxGetDevCaps		[WINMM.20]
 */
UINT WINAPI auxGetDevCapsW(UINT uDeviceID, LPAUXCAPSW lpCaps, UINT uSize)
{
    AUXCAPS16	ac16;
    UINT	ret = auxGetDevCaps16(uDeviceID, &ac16, sizeof(ac16));
    
    lpCaps->wMid = ac16.wMid;
    lpCaps->wPid = ac16.wPid;
    lpCaps->vDriverVersion = ac16.vDriverVersion;
    lstrcpyAtoW(lpCaps->szPname, ac16.szPname);
    lpCaps->wTechnology = ac16.wTechnology;
    lpCaps->dwSupport = ac16.dwSupport;
    return ret;
}

/**************************************************************************
 * 				auxGetDevCaps		[WINMM.21]
 */
UINT WINAPI auxGetDevCapsA(UINT uDeviceID, LPAUXCAPSA lpCaps, UINT uSize)
{
    AUXCAPS16	ac16;
    UINT	ret = auxGetDevCaps16(uDeviceID, &ac16, sizeof(ac16));
    
    lpCaps->wMid = ac16.wMid;
    lpCaps->wPid = ac16.wPid;
    lpCaps->vDriverVersion = ac16.vDriverVersion;
    strcpy(lpCaps->szPname, ac16.szPname);
    lpCaps->wTechnology = ac16.wTechnology;
    lpCaps->dwSupport = ac16.dwSupport;
    return ret;
}

/**************************************************************************
 * 				auxGetDevCaps		[MMSYSTEM.351]
 */
UINT16 WINAPI auxGetDevCaps16(UINT16 uDeviceID, LPAUXCAPS16 lpCaps, UINT16 uSize)
{
    TRACE(mmsys, "(%04X, %p, %d) !\n", uDeviceID, lpCaps, uSize);

    return auxMessage(uDeviceID, AUXDM_GETDEVCAPS,
		      0L, (DWORD)lpCaps, (DWORD)uSize);
}

/**************************************************************************
 * 				auxGetVolume		[WINM.23]
 */
UINT WINAPI auxGetVolume(UINT uDeviceID, DWORD* lpdwVolume)
{
    return auxGetVolume16(uDeviceID, lpdwVolume);
}

/**************************************************************************
 * 				auxGetVolume		[MMSYSTEM.352]
 */
UINT16 WINAPI auxGetVolume16(UINT16 uDeviceID, DWORD* lpdwVolume)
{
    TRACE(mmsys, "(%04X, %p) !\n", uDeviceID, lpdwVolume);

    return auxMessage(uDeviceID, AUXDM_GETVOLUME, 0L, (DWORD)lpdwVolume, 0L);
}

/**************************************************************************
 * 				auxSetVolume		[WINMM.25]
 */
UINT WINAPI auxSetVolume(UINT uDeviceID, DWORD dwVolume)
{
    return auxSetVolume16(uDeviceID, dwVolume);
}

/**************************************************************************
 * 				auxSetVolume		[MMSYSTEM.353]
 */
UINT16 WINAPI auxSetVolume16(UINT16 uDeviceID, DWORD dwVolume)
{
    TRACE(mmsys, "(%04X, %08lX) !\n", uDeviceID, dwVolume);

    return auxMessage(uDeviceID, AUXDM_SETVOLUME, 0L, dwVolume, 0L);
}

/**************************************************************************
 * 				auxOutMessage		[MMSYSTEM.354]
 */
DWORD WINAPI auxOutMessage(UINT uDeviceID, UINT uMessage, DWORD dw1, DWORD dw2)
{
    switch (uMessage) {
    case AUXDM_GETNUMDEVS:
    case AUXDM_GETVOLUME:
    case AUXDM_SETVOLUME:
	/* no argument conversion needed */
	break;
    case AUXDM_GETDEVCAPS:
	return auxGetDevCapsA(uDeviceID, (LPAUXCAPSA)dw1, dw2);
    default:
	ERR(mmsys,"(%04x, %04x, %08lx, %08lx): unhandled message\n",
	    uDeviceID, uMessage, dw1, dw2);
	break;
    }
    return auxMessage(uDeviceID, uMessage, 0L, dw1, dw2);
}

/**************************************************************************
 * 				auxOutMessage		[MMSYSTEM.354]
 */
DWORD WINAPI auxOutMessage16(UINT16 uDeviceID, UINT16 uMessage, DWORD dw1, DWORD dw2)
{
    TRACE(mmsys, "(%04X, %04X, %08lX, %08lX)\n", uDeviceID, uMessage, dw1, dw2);

    switch (uMessage) {
    case AUXDM_GETNUMDEVS:
    case AUXDM_SETVOLUME:
	/* no argument conversion needed */
	break;
    case AUXDM_GETVOLUME:
	return auxGetVolume16(uDeviceID, (LPDWORD)PTR_SEG_TO_LIN(dw1));
    case AUXDM_GETDEVCAPS:
	return auxGetDevCaps16(uDeviceID, (LPAUXCAPS16)PTR_SEG_TO_LIN(dw1), dw2);
    default:
	ERR(mmsys,"(%04x, %04x, %08lx, %08lx): unhandled message\n",
	    uDeviceID, uMessage, dw1, dw2);
	break;
    }
    return auxMessage(uDeviceID, uMessage, 0L, dw1, dw2);
}

/**************************************************************************
 * 				mciGetErrorStringW		[WINMM.46]
 */
BOOL WINAPI mciGetErrorStringW(DWORD wError, LPWSTR lpstrBuffer, UINT uLength)
{
    LPSTR	bufstr = HeapAlloc(GetProcessHeap(), 0, uLength);
    BOOL	ret = mciGetErrorStringA(wError, bufstr, uLength);
    
    lstrcpyAtoW(lpstrBuffer, bufstr);
    HeapFree(GetProcessHeap(), 0, bufstr);
    return ret;
}

/**************************************************************************
 * 				mciGetErrorStringA		[WINMM.45]
 */
BOOL WINAPI mciGetErrorStringA(DWORD wError, LPSTR lpstrBuffer, UINT uLength)
{
    return mciGetErrorString16(wError, lpstrBuffer, uLength);
}

/**************************************************************************
 * 				mciGetErrorString		[MMSYSTEM.706]
 */
BOOL16 WINAPI mciGetErrorString16(DWORD dwError, LPSTR lpstrBuffer, UINT16 uLength)
{
    LPSTR	msgptr = NULL;

    TRACE(mmsys, "(%08lX, %p, %d);\n", dwError, lpstrBuffer, uLength);

    if ((lpstrBuffer == NULL) || (uLength < 1)) 
	return FALSE;

    lpstrBuffer[0] = '\0';

    switch (dwError) {
    case 0:
	msgptr = "The specified command has been executed.";
	break;
    case MCIERR_INVALID_DEVICE_ID:
	msgptr = "Invalid MCI device ID. Use the ID returned when opening the MCI device.";
	break;
    case MCIERR_UNRECOGNIZED_KEYWORD:
	msgptr = "The driver cannot recognize the specified command parameter.";
	break;
    case MCIERR_UNRECOGNIZED_COMMAND:
	msgptr = "The driver cannot recognize the specified command.";
	break;
    case MCIERR_HARDWARE:
	msgptr = "There is a problem with your media device. Make sure it is working correctly or contact the device manufacturer.";
	break;
    case MCIERR_INVALID_DEVICE_NAME:
	msgptr = "The specified device is not open or is not recognized by MCI.";
	break;
    case MCIERR_OUT_OF_MEMORY:
	msgptr = "Not enough memory available for this task. \nQuit one or more applications to increase available memory, and then try again.";
	break;
    case MCIERR_DEVICE_OPEN:
	msgptr = "The device name is already being used as an alias by this application. Use a unique alias.";
	break;
    case MCIERR_CANNOT_LOAD_DRIVER:
	msgptr = "There is an undetectable problem in loading the specified device driver.";
	break;
    case MCIERR_MISSING_COMMAND_STRING:
	msgptr = "No command was specified.";
	break;
    case MCIERR_PARAM_OVERFLOW:
	msgptr = "The output string was to large to fit in the return buffer. Increase the size of the buffer.";
	break;
    case MCIERR_MISSING_STRING_ARGUMENT:
	msgptr = "The specified command requires a character-string parameter. Please provide one.";
	break;
    case MCIERR_BAD_INTEGER:
	msgptr = "The specified integer is invalid for this command.";
	break;
    case MCIERR_PARSER_INTERNAL:
	msgptr = "The device driver returned an invalid return type. Check with the device manufacturer about obtaining a new driver.";
	break;
    case MCIERR_DRIVER_INTERNAL:
	msgptr = "There is a problem with the device driver. Check with the device manufacturer about obtaining a new driver.";
	break;
    case MCIERR_MISSING_PARAMETER:
	msgptr = "The specified command requires a parameter. Please supply one.";
	break;
    case MCIERR_UNSUPPORTED_FUNCTION:
	msgptr = "The MCI device you are using does not support the specified command.";
	break;
    case MCIERR_FILE_NOT_FOUND:
	msgptr = "Cannot find the specified file. Make sure the path and filename are correct.";
	break;
    case MCIERR_DEVICE_NOT_READY:
	msgptr = "The device driver is not ready.";
	break;
    case MCIERR_INTERNAL:
	msgptr = "A problem occurred in initializing MCI. Try restarting Windows.";
	break;
    case MCIERR_DRIVER:
	msgptr = "There is a problem with the device driver. The driver has closed. Cannot access error.";
	break;
    case MCIERR_CANNOT_USE_ALL:
	msgptr = "Cannot use 'all' as the device name with the specified command.";
	break;
    case MCIERR_MULTIPLE:
	msgptr = "Errors occurred in more than one device. Specify each command and device separately to determine which devices caused the error";
	break;
    case MCIERR_EXTENSION_NOT_FOUND:
	msgptr = "Cannot determine the device type from the given filename extension.";
	break;
    case MCIERR_OUTOFRANGE:
	msgptr = "The specified parameter is out of range for the specified command.";
	break;
    case MCIERR_FLAGS_NOT_COMPATIBLE:
	msgptr = "The specified parameters cannot be used together.";
	break;
    case MCIERR_FILE_NOT_SAVED:
	msgptr = "Cannot save the specified file. Make sure you have enough disk space or are still connected to the network.";
	break;
    case MCIERR_DEVICE_TYPE_REQUIRED:
	msgptr = "Cannot find the specified device. Make sure it is installed or that the device name is spelled correctly.";
	break;
    case MCIERR_DEVICE_LOCKED:
	msgptr = "The specified device is now being closed. Wait a few seconds, and then try again.";
	break;
    case MCIERR_DUPLICATE_ALIAS:
	msgptr = "The specified alias is already being used in this application. Use a unique alias.";
	break;
    case MCIERR_BAD_CONSTANT:
	msgptr = "The specified parameter is invalid for this command.";
	break;
    case MCIERR_MUST_USE_SHAREABLE:
	msgptr = "The device driver is already in use. To share it, use the 'shareable' parameter with each 'open' command.";
	break;
    case MCIERR_MISSING_DEVICE_NAME:
	msgptr = "The specified command requires an alias, file, driver, or device name. Please supply one.";
	break;
    case MCIERR_BAD_TIME_FORMAT:
	msgptr = "The specified value for the time format is invalid. Refer to the MCI documentation for valid formats.";
	break;
    case MCIERR_NO_CLOSING_QUOTE:
	msgptr = "A closing double-quotation mark is missing from the parameter value. Please supply one.";
	break;
    case MCIERR_DUPLICATE_FLAGS:
	msgptr = "A parameter or value was specified twice. Only specify it once.";
	break;
    case MCIERR_INVALID_FILE:
	msgptr = "The specified file cannot be played on the specified MCI device. The file may be corrupt, or not in the correct format.";
	break;
    case MCIERR_NULL_PARAMETER_BLOCK:
	msgptr = "A null parameter block was passed to MCI.";
	break;
    case MCIERR_UNNAMED_RESOURCE:
	msgptr = "Cannot save an unnamed file. Supply a filename.";
	break;
    case MCIERR_NEW_REQUIRES_ALIAS:
	msgptr = "You must specify an alias when using the 'new' parameter.";
	break;
    case MCIERR_NOTIFY_ON_AUTO_OPEN:
	msgptr = "Cannot use the 'notify' flag with auto-opened devices.";
	break;
    case MCIERR_NO_ELEMENT_ALLOWED:
	msgptr = "Cannot use a filename with the specified device.";
	break;
    case MCIERR_NONAPPLICABLE_FUNCTION:
	msgptr = "Cannot carry out the commands in the order specified. Correct the command sequence, and then try again.";
	break;
    case MCIERR_ILLEGAL_FOR_AUTO_OPEN:
	msgptr = "Cannot carry out the specified command on an auto-opened device. Wait until the device is closed, and then try again.";
	break;
    case MCIERR_FILENAME_REQUIRED:
	msgptr = "The filename is invalid. Make sure the filename is not longer than 8 characters, followed by a period and an extension.";
	break;
    case MCIERR_EXTRA_CHARACTERS:
	msgptr = "Cannot specify extra characters after a string enclosed in quotation marks.";
	break;
    case MCIERR_DEVICE_NOT_INSTALLED:
	msgptr = "The specified device is not installed on the system. Use the Drivers option in Control Panel to install the device.";
	break;
    case MCIERR_GET_CD:
	msgptr = "Cannot access the specified file or MCI device. Try changing directories or restarting your computer.";
	break;
    case MCIERR_SET_CD:
	msgptr = "Cannot access the specified file or MCI device because the application cannot change directories.";
	break;
    case MCIERR_SET_DRIVE:
	msgptr = "Cannot access specified file or MCI device because the application cannot change drives.";
	break;
    case MCIERR_DEVICE_LENGTH:
	msgptr = "Specify a device or driver name that is less than 79 characters.";
	break;
    case MCIERR_DEVICE_ORD_LENGTH:
	msgptr = "Specify a device or driver name that is less than 69 characters.";
	break;
    case MCIERR_NO_INTEGER:
	msgptr = "The specified command requires an integer parameter. Please provide one.";
	break;
    case MCIERR_WAVE_OUTPUTSINUSE:
	msgptr = "All wave devices that can play files in the current format are in use. Wait until a wave device is free, and then try again.";
	break;
    case MCIERR_WAVE_SETOUTPUTINUSE:
	msgptr = "Cannot set the current wave device for play back because it is in use. Wait until the device is free, and then try again.";
	break;
    case MCIERR_WAVE_INPUTSINUSE:
	msgptr = "All wave devices that can record files in the current format are in use. Wait until a wave device is free, and then try again.";
	break;
    case MCIERR_WAVE_SETINPUTINUSE:
	msgptr = "Cannot set the current wave device for recording because it is in use. Wait until the device is free, and then try again.";
	break;
    case MCIERR_WAVE_OUTPUTUNSPECIFIED:
	msgptr = "Any compatible waveform playback device may be used.";
	break;
    case MCIERR_WAVE_INPUTUNSPECIFIED:
	msgptr = "Any compatible waveform recording device may be used.";
	break;
    case MCIERR_WAVE_OUTPUTSUNSUITABLE:
	msgptr = "No wave device that can play files in the current format is installed. Use the Drivers option to install the wave device.";
	break;
    case MCIERR_WAVE_SETOUTPUTUNSUITABLE:
	msgptr = "The device you are trying to play to cannot recognize the current file format.";
	break;
    case MCIERR_WAVE_INPUTSUNSUITABLE:
	msgptr = "No wave device that can record files in the current format is installed. Use the Drivers option to install the wave device.";
	break;
    case MCIERR_WAVE_SETINPUTUNSUITABLE:
	msgptr = "The device you are trying to record from cannot recognize the current file format.";
	break;
    case MCIERR_NO_WINDOW:
	msgptr = "There is no display window.";
	break;
    case MCIERR_CREATEWINDOW:
	msgptr = "Could not create or use window.";
	break;
    case MCIERR_FILE_READ:
	msgptr = "Cannot read the specified file. Make sure the file is still present, or check your disk or network connection.";
	break;
    case MCIERR_FILE_WRITE:
	msgptr = "Cannot write to the specified file. Make sure you have enough disk space or are still connected to the network.";
	break;
    case MCIERR_SEQ_DIV_INCOMPATIBLE:
	msgptr = "The time formats of the \"song pointer\" and SMPTE are mutually exclusive. You can't use them together.";
	break;
    case MCIERR_SEQ_NOMIDIPRESENT:
	msgptr = "The system has no installed MIDI devices. Use the Drivers option from the Control Panel to install a MIDI driver.";
	break;
    case MCIERR_SEQ_PORT_INUSE:
	msgptr = "The specified MIDI port is already in use. Wait until it is free; the try again.";
	break;
    case MCIERR_SEQ_PORT_MAPNODEVICE:
	msgptr = "The current MIDI Mapper setup refers to a MIDI device that is not installed on the system. Use the MIDI Mapper option from the Control Panel to edit the setup.";
	break;
    case MCIERR_SEQ_PORT_MISCERROR:
	msgptr = "An error occurred with the specified port.";
	break;
    case MCIERR_SEQ_PORT_NONEXISTENT:
	msgptr = "The specified MIDI device is not installed on the system. Use the Drivers option from the Control Panel to install a MIDI device.";
	break;
    case MCIERR_SEQ_PORTUNSPECIFIED:
	msgptr = "The system doesnot have a current MIDI port specified.";
	break;
    case MCIERR_SEQ_TIMER:
	msgptr = "All multimedia timers are being used by other applications. Quit one of these applications; then, try again.";
	break;
	
	/* 
	   msg# 513 : vcr
	   msg# 514 : videodisc
	   msg# 515 : overlay
	   msg# 516 : cdaudio
	   msg# 517 : dat
	   msg# 518 : scanner
	   msg# 519 : animation
	   msg# 520 : digitalvideo
	   msg# 521 : other
	   msg# 522 : waveaudio
	   msg# 523 : sequencer
	   msg# 524 : not ready
	   msg# 525 : stopped
	   msg# 526 : playing
	   msg# 527 : recording
	   msg# 528 : seeking
	   msg# 529 : paused
	   msg# 530 : open
	   msg# 531 : false
	   msg# 532 : true
	   msg# 533 : milliseconds
	   msg# 534 : hms
	   msg# 535 : msf
	   msg# 536 : frames
	   msg# 537 : smpte 24
	   msg# 538 : smpte 25
	   msg# 539 : smpte 30
	   msg# 540 : smpte 30 drop
	   msg# 541 : bytes
	   msg# 542 : samples
	   msg# 543 : tmsf
	*/
    default:
	TRACE(mmsys, "Unknown MCI Error %ld!\n", dwError);
	return FALSE;
    }
    lstrcpynA(lpstrBuffer, msgptr, uLength);
    TRACE(mmsys, "msg = \"%s\";\n", lpstrBuffer);
    return TRUE;
}

/**************************************************************************
 * 				mciDriverNotify			[MMSYSTEM.711]
 */
BOOL16 WINAPI mciDriverNotify16(HWND16 hWndCallBack, UINT16 wDevID, UINT16 wStatus)
{
    TRACE(mmsys, "(%04X, %04x, %04X)\n", hWndCallBack, wDevID, wStatus);

    if (!IsWindow(hWndCallBack)) {
	WARN(mmsys, "bad hWnd for call back (0x%04x)\n", hWndCallBack);
	return FALSE;
    }
    TRACE(mmsys, "before PostMessage\n");
    Callout.PostMessageA(hWndCallBack, MM_MCINOTIFY, wStatus, wDevID);
    return TRUE;
}

/**************************************************************************
 *			mciDriverNotify				[WINMM.36]
 */
BOOL WINAPI mciDriverNotify(HWND hWndCallBack, UINT wDevID, UINT wStatus)
{
    FIXME(mmsys, "(%08X, %04x, %04X)\n", hWndCallBack, wDevID, wStatus);

    if (!IsWindow(hWndCallBack)) {
	WARN(mmsys, "bad hWnd for call back (0x%04x)\n", hWndCallBack);
	return FALSE;
    }
    TRACE(mmsys, "before PostMessage\n");
    Callout.PostMessageA(hWndCallBack, MM_MCINOTIFY, wStatus, wDevID);
    return TRUE;
}

/**************************************************************************
 * 			mciGetDriverData			[MMSYSTEM.708]
 */
DWORD WINAPI mciGetDriverData16(UINT16 uDeviceID) 
{
    return mciGetDriverData(uDeviceID);
}

/**************************************************************************
 * 			mciGetDriverData			[WINMM.44]
 */
DWORD WINAPI mciGetDriverData(UINT uDeviceID) 
{
    TRACE(mmsys,"(%04x)\n", uDeviceID);
    if (!MCI_DevIDValid(uDeviceID) || MCI_GetDrv(uDeviceID)->modp.wType == 0) {
	WARN(mmsys, "Bad uDeviceID\n");
	return 0L;
    }
    
    return MCI_GetDrv(uDeviceID)->dwPrivate;
}

/**************************************************************************
 * 			mciSetDriverData			[MMSYSTEM.707]
 */
BOOL16 WINAPI mciSetDriverData16(UINT16 uDeviceID, DWORD data) 
{
    return mciSetDriverData(uDeviceID, data);
}

/**************************************************************************
 * 			mciSetDriverData			[WINMM.53]
 */
BOOL WINAPI mciSetDriverData(UINT uDeviceID, DWORD data) 
{
    TRACE(mmsys, "(%04x, %08lx)\n", uDeviceID, data);
    if (!MCI_DevIDValid(uDeviceID) || MCI_GetDrv(uDeviceID)->modp.wType == 0) {
	WARN(mmsys, "Bad uDeviceID\n");
	return FALSE;
    }
    
    MCI_GetDrv(uDeviceID)->dwPrivate = data;
    return TRUE;
}

/**************************************************************************
 *                    	mciLoadCommandResource			[MMSYSTEM.705]
 */
UINT16 WINAPI mciLoadCommandResource16(HANDLE16 hinst, LPCSTR resname, UINT16 type)
{
    char            buf[200];
    OFSTRUCT        ofs;
    HANDLE16        xhinst;
    HRSRC16         hrsrc;
    HGLOBAL16       hmem;
    LPSTR           segstr;
    SEGPTR          xmem;
    LPBYTE          lmem;
    static UINT16   mcidevtype = 0;
    
    FIXME(mmsys,"(%04x, %s, %d): stub!\n", hinst, resname, type);
    if (!lstrcmpiA(resname, "core")) {
	FIXME(mmsys, "(...,\"core\",...), have to use internal tables... (not there yet)\n");
	return 0;
    }
    return ++mcidevtype;
    /* if file exists "resname.mci", then load resource "resname" from it
     * otherwise directly from driver
     */
    strcpy(buf,resname);
    strcat(buf,".mci");
    if (OpenFile(buf, &ofs,OF_EXIST) != HFILE_ERROR) {
	xhinst = LoadLibrary16(buf);
	if (xhinst > 32)
	    hinst = xhinst;
    } /* else use passed hinst */
    segstr = SEGPTR_STRDUP(resname);
    hrsrc = FindResource16(hinst, SEGPTR_GET(segstr), type);
    SEGPTR_FREE(segstr);
    if (!hrsrc) {
	WARN(mmsys, "no special commandlist found in resource\n");
	return MCI_NO_COMMAND_TABLE;
    }
    hmem = LoadResource16(hinst, hrsrc);
    if (!hmem) {
	WARN(mmsys, "couldn't load resource??\n");
	return MCI_NO_COMMAND_TABLE;
    }
    xmem = WIN16_LockResource16(hmem);
    if (!xmem) {
	WARN(mmsys, "couldn't lock resource??\n");
	FreeResource16(hmem);
	return MCI_NO_COMMAND_TABLE;
    }
    lmem = PTR_SEG_TO_LIN(xmem);
    TRACE(mmsys, "first resource entry is %s\n", (char*)lmem);
    /* parse resource, register stuff, return unique id */
    return ++mcidevtype;
}

/**************************************************************************
 *                    	mciFreeCommandResource			[MMSYSTEM.713]
 */
BOOL16 WINAPI mciFreeCommandResource16(UINT16 uTable)
{
    FIXME(mmsys, "(%04x) stub\n", uTable);
    return 0;
}
 
/**************************************************************************
 *                    	mciFreeCommandResource			[WINMM.39]
 */
BOOL WINAPI mciFreeCommandResource(UINT uTable)
{
    FIXME(mmsys, "(%08x) stub\n", uTable);
    return 0;
}

/**************************************************************************
 *                    	mciLoadCommandResource  		[WINMM.48]
 */
UINT WINAPI mciLoadCommandResource(HANDLE hinst, LPCWSTR resname, UINT type)
{
    FIXME(mmsys, "(%04x, %s, %d): stub!\n", hinst, debugstr_w(resname), type);
    return 0;
}

/**************************************************************************
 * 				mciSendCommandA			[WINMM.49]
 */
DWORD WINAPI mciSendCommandA(UINT wDevID, UINT wMsg, DWORD dwParam1, DWORD dwParam2)
{
    DWORD	dwRet;

    TRACE(mmsys, "(%08x, %s, %08lx, %08lx)\n", wDevID, MCI_CommandToString(wMsg), dwParam1, dwParam2);

    switch (wMsg) {
    case MCI_OPEN:
	dwRet = MCI_Open(dwParam1, (LPMCI_OPEN_PARMSA)dwParam2);
	break;
    case MCI_CLOSE:
	dwRet = MCI_Close(wDevID, dwParam1, (LPMCI_GENERIC_PARMS)dwParam2);
	break;
    case MCI_SYSINFO:
	dwRet = MCI_SysInfo(wDevID, dwParam1, (LPMCI_SYSINFO_PARMSA)dwParam2);
	break;
    default:
	if (wDevID == MCI_ALL_DEVICE_ID) {
	    FIXME(mmsys, "unhandled MCI_ALL_DEVICE_ID\n");
	    dwRet = MCIERR_CANNOT_USE_ALL;
	} else {
	    dwRet = MCI_SendCommand(wDevID, wMsg, dwParam1, dwParam2);
	}
	break;
    }
    dwRet = MCI_CleanUp(dwRet, wMsg, dwParam2, TRUE);
    TRACE(mmsys, "=> %08lx\n", dwRet);
    return dwRet;
}

/**************************************************************************
 * 				mciSendCommandW			[WINMM.50]
 */
DWORD WINAPI mciSendCommandW(UINT wDevID, UINT wMsg, DWORD dwParam1, DWORD dwParam2)
{
    return 0x1; /* !ok */
}

/**************************************************************************
 * 				mciSendCommand			[MMSYSTEM.701]
 */
DWORD WINAPI mciSendCommand16(UINT16 wDevID, UINT16 wMsg, DWORD dwParam1, DWORD dwParam2)
{
    DWORD	dwRet = MCIERR_UNRECOGNIZED_COMMAND;

    TRACE(mmsys, "(%04X, %s, %08lX, %08lX)\n", 
	  wDevID, MCI_CommandToString(wMsg), dwParam1, dwParam2);

    switch (wMsg) {
    case MCI_OPEN:
	if (MCI_MapMsg16To32A(MCI_GetDrv(wDevID)->modp.wType, wMsg, &dwParam2) >= 0) {
	    dwRet = MCI_Open(dwParam1, (LPMCI_OPEN_PARMSA)dwParam2);
	    MCI_UnMapMsg16To32A(MCI_GetDrv(wDevID)->modp.wType, wMsg, dwParam2);
	}
	break;
    case MCI_CLOSE:
	if (wDevID == MCI_ALL_DEVICE_ID) {
	    FIXME(mmsys, "unhandled MCI_ALL_DEVICE_ID\n");
	    dwRet = MCIERR_CANNOT_USE_ALL;
	} else if (!MCI_DevIDValid(wDevID)) {
	    dwRet = MCIERR_INVALID_DEVICE_ID;
	} else if (MCI_MapMsg16To32A(MCI_GetDrv(wDevID)->modp.wType, wMsg, &dwParam2) >= 0) {
	    dwRet = MCI_Close(wDevID, dwParam1, (LPMCI_GENERIC_PARMS)dwParam2);
	    MCI_UnMapMsg16To32A(MCI_GetDrv(wDevID)->modp.wType, wMsg, dwParam2);
	}
	break;
    case MCI_SYSINFO:
	if (MCI_MapMsg16To32A(0, wDevID, &dwParam2) >= 0) {
	    dwRet = MCI_SysInfo(wDevID, dwParam1, (LPMCI_SYSINFO_PARMSA)dwParam2);
	    MCI_UnMapMsg16To32A(0, wDevID, dwParam2);
	}
	break;
    /* FIXME: it seems that MCI_BREAK and MCI_SOUND need the same handling */
    default:
	if (wDevID == MCI_ALL_DEVICE_ID) {
	    FIXME(mmsys, "unhandled MCI_ALL_DEVICE_ID\n");
	    dwRet = MCIERR_CANNOT_USE_ALL;
	} else if (!MCI_DevIDValid(wDevID)) {
	    dwRet = MCIERR_INVALID_DEVICE_ID;
	} else {
	    int			res;
		    
	    switch (DRIVER_GetType(MCI_GetDrv(wDevID)->hDrv)) {
	    case WINE_DI_TYPE_16:		
		dwRet = SendDriverMessage16(MCI_GetDrv(wDevID)->hDrv, wMsg, dwParam1, dwParam2);
		break;
	    case WINE_DI_TYPE_32:
		switch (res = MCI_MapMsg16To32A(MCI_GetDrv(wDevID)->modp.wType, wMsg, &dwParam2)) {
		case -1:
		    TRACE(mmsys, "Not handled yet (%s)\n", MCI_CommandToString(wMsg));
		    dwRet = MCIERR_DRIVER_INTERNAL;
		    break;
		case -2:
		    TRACE(mmsys, "Problem mapping msg=%s from 16 to 32a\n", MCI_CommandToString(wMsg));
		    dwRet = MCIERR_OUT_OF_MEMORY;
		    break;
		case 0:
		case 1:
		    dwRet = MCI_SendCommand(wDevID, wMsg, dwParam1, dwParam2);
		    if (res)
			MCI_UnMapMsg16To32A(MCI_GetDrv(wDevID)->modp.wType, wMsg, dwParam2);
		    break;
		}
		break;
	    default:
		WARN(mmsys, "Unknown driver type=%u\n", DRIVER_GetType(MCI_GetDrv(wDevID)->hDrv));
		dwRet = MCIERR_DRIVER_INTERNAL;
	    }
	}
    }
    dwRet = MCI_CleanUp(dwRet, wMsg, dwParam2, FALSE);
    TRACE(mmsys, "=> %ld\n", dwRet);
    return dwRet;
}
    
/**************************************************************************
 * 				mciGetDeviceID		       	[MMSYSTEM.703]
 */
UINT16 WINAPI mciGetDeviceID16(LPCSTR lpstrName)
{
    UINT16	wDevID;
    TRACE(mmsys, "(\"%s\")\n", lpstrName);

    if (!lpstrName)
	return 0;
    
    if (!lstrcmpiA(lpstrName, "ALL"))
	return MCI_ALL_DEVICE_ID;
    
    for (wDevID = MCI_FirstDevID(); MCI_DevIDValid(wDevID); wDevID = MCI_NextDevID(wDevID)) {
	if (MCI_GetDrv(wDevID)->modp.wType) {
	    FIXME(mmsys, "This is wrong for compound devices\n");
	    /* FIXME: for compound devices, lpstrName is matched against 
	     * the name of the file, not the name of the device... 
	     */
	    if (MCI_GetOpenDrv(wDevID)->lpstrDeviceType && 
		strcmp(MCI_GetOpenDrv(wDevID)->lpstrDeviceType, lpstrName) == 0)
		return wDevID;
    
	    if (MCI_GetOpenDrv(wDevID)->lpstrAlias && 
		strcmp(MCI_GetOpenDrv(wDevID)->lpstrAlias, lpstrName) == 0)
		return wDevID;
	}
    }
    
    return 0;
}

/**************************************************************************
 * 				mciGetDeviceIDA    		[WINMM.41]
 */
UINT WINAPI mciGetDeviceIDA(LPCSTR lpstrName)
{
    return mciGetDeviceID16(lpstrName);
}

/**************************************************************************
 * 				mciGetDeviceIDW		       	[WINMM.43]
 */
UINT WINAPI mciGetDeviceIDW(LPCWSTR lpwstrName)
{
    LPSTR 	lpstrName;
    UINT	ret;

    lpstrName = HEAP_strdupWtoA(GetProcessHeap(), 0, lpwstrName);
    ret = mciGetDeviceID16(lpstrName);
    HeapFree(GetProcessHeap(), 0, lpstrName);
    return ret;
}

UINT16	MCI_DefYieldProc(UINT16 wDevID, DWORD data)
{
    MSG		msg;
    INT16	ret;
    
    TRACE(mmsys, "(0x%04x, 0x%08lx)\n", wDevID, data);

    if ((HIWORD(data) != 0 && GetActiveWindow16() != HIWORD(data)) ||
	(GetAsyncKeyState(LOWORD(data)) & 1) == 0) {
	UserYield16();
	ret = 0;
    } else {
	msg.hwnd = HIWORD(data);

	while (!PeekMessageA(&msg, HIWORD(data), WM_KEYFIRST, WM_KEYLAST, PM_REMOVE));
	ret = 0xFFFF;
    }
    return ret;
}

/**************************************************************************
 * 				mciSetYieldProc			[MMSYSTEM.714]
 */
BOOL16 WINAPI mciSetYieldProc16(UINT16 uDeviceID, YIELDPROC fpYieldProc, DWORD dwYieldData)
{
    TRACE(mmsys, "(%u, %p, %08lx)\n", uDeviceID, fpYieldProc, dwYieldData);

    if (!MCI_DevIDValid(uDeviceID) || MCI_GetDrv(uDeviceID)->modp.wType == 0) {
	WARN(mmsys, "Bad uDeviceID\n");
	return FALSE;
    }
    
    MCI_GetDrv(uDeviceID)->lpfnYieldProc = fpYieldProc;
    MCI_GetDrv(uDeviceID)->dwYieldData   = dwYieldData;
    MCI_GetDrv(uDeviceID)->bIs32         = FALSE;

    return TRUE;
}

/**************************************************************************
 * 				mciSetYieldProc			[WINMM.54]
 */
BOOL WINAPI mciSetYieldProc(UINT uDeviceID, YIELDPROC fpYieldProc, DWORD dwYieldData)
{
    TRACE(mmsys, "(%u, %p, %08lx)\n", uDeviceID, fpYieldProc, dwYieldData);

    if (!MCI_DevIDValid(uDeviceID) || MCI_GetDrv(uDeviceID)->modp.wType == 0) {
	WARN(mmsys, "Bad uDeviceID\n");
	return FALSE;
    }
    
    MCI_GetDrv(uDeviceID)->lpfnYieldProc = fpYieldProc;
    MCI_GetDrv(uDeviceID)->dwYieldData   = dwYieldData;
    MCI_GetDrv(uDeviceID)->bIs32         = TRUE;

    return TRUE;
}

/**************************************************************************
 * 				mciGetDeviceIDFromElementID	[MMSYSTEM.715]
 */
UINT16 WINAPI mciGetDeviceIDFromElementID16(DWORD dwElementID, LPCSTR lpstrType)
{
    FIXME(mmsys, "(%lu, %s) stub\n", dwElementID, lpstrType);
    return 0;
}
	
/**************************************************************************
 * 				mciGetDeviceIDFromElementIDW	[WINMM.42]
 */
UINT WINAPI mciGetDeviceIDFromElementIDW(DWORD dwElementID, LPCWSTR lpstrType)
{
    /* FIXME: that's rather strange, there is no 
     * mciGetDeviceIDFromElementID32A in winmm.spec
     */
    FIXME(mmsys, "(%lu, %p) stub\n", dwElementID, lpstrType);
    return 0;
}
	
/**************************************************************************
 * 				mciGetYieldProc			[MMSYSTEM.716]
 */
YIELDPROC WINAPI mciGetYieldProc16(UINT16 uDeviceID, DWORD* lpdwYieldData)
{
    TRACE(mmsys, "(%u, %p)\n", uDeviceID, lpdwYieldData);

    if (!MCI_DevIDValid(uDeviceID) || MCI_GetDrv(uDeviceID)->modp.wType == 0) {
	WARN(mmsys, "Bad uDeviceID\n");
	return NULL;
    }
    if (!MCI_GetDrv(uDeviceID)->lpfnYieldProc) {
	WARN(mmsys, "No proc set\n");
	return NULL;
    }
    if (MCI_GetDrv(uDeviceID)->bIs32) {
	WARN(mmsys, "Proc is 32 bit\n");
	return NULL;
    }
    return MCI_GetDrv(uDeviceID)->lpfnYieldProc;
}
    
/**************************************************************************
 * 				mciGetYieldProc			[WINMM.47]
 */
YIELDPROC WINAPI mciGetYieldProc(UINT uDeviceID, DWORD* lpdwYieldData)
{
    TRACE(mmsys, "(%u, %p)\n", uDeviceID, lpdwYieldData);

    if (!MCI_DevIDValid(uDeviceID) || MCI_GetDrv(uDeviceID)->modp.wType == 0) {
	WARN(mmsys, "Bad uDeviceID\n");
	return NULL;
    }
    if (!MCI_GetDrv(uDeviceID)->lpfnYieldProc) {
	WARN(mmsys, "No proc set\n");
	return NULL;
    }
    if (!MCI_GetDrv(uDeviceID)->bIs32) {
	WARN(mmsys, "Proc is 32 bit\n");
	return NULL;
    }
    return MCI_GetDrv(uDeviceID)->lpfnYieldProc;
}

/**************************************************************************
 * 				mciGetCreatorTask		[MMSYSTEM.717]
 */
HTASK16 WINAPI mciGetCreatorTask16(UINT16 uDeviceID)
{
    return mciGetCreatorTask(uDeviceID);
}

/**************************************************************************
 * 				mciGetCreatorTask		[WINMM.40]
 */
HTASK WINAPI mciGetCreatorTask(UINT uDeviceID)
{
    HTASK	ret;

    TRACE(mmsys, "(%u)\n", uDeviceID);

    ret = (!MCI_DevIDValid(uDeviceID) || MCI_GetDrv(uDeviceID)->modp.wType == 0) ?
	0 : MCI_GetDrv(uDeviceID)->hCreatorTask;

    TRACE(mmsys, "=> %04x\n", ret);
    return ret;
}

/**************************************************************************
 * 				mciDriverYield			[MMSYSTEM.710]
 */
UINT16 WINAPI mciDriverYield16(UINT16 uDeviceID) 
{
    UINT16	ret = 0;

    /*    TRACE(mmsys,"(%04x)\n", uDeviceID); */

    if (!MCI_DevIDValid(uDeviceID) || MCI_GetDrv(uDeviceID)->modp.wType == 0 ||
	!MCI_GetDrv(uDeviceID)->lpfnYieldProc || MCI_GetDrv(uDeviceID)->bIs32) {
	UserYield16();
    } else {
	ret = MCI_GetDrv(uDeviceID)->lpfnYieldProc(uDeviceID, MCI_GetDrv(uDeviceID)->dwYieldData);
    }

    return ret;
}

/**************************************************************************
 * 			mciDriverYield				[WINMM.37]
 */
UINT WINAPI mciDriverYield(UINT uDeviceID) 
{
    UINT	ret = 0;

    TRACE(mmsys,"(%04x)\n", uDeviceID);
    if (!MCI_DevIDValid(uDeviceID) || MCI_GetDrv(uDeviceID)->modp.wType == 0 ||
	!MCI_GetDrv(uDeviceID)->lpfnYieldProc || !MCI_GetDrv(uDeviceID)->bIs32) {
	UserYield16();
    } else {
	ret = MCI_GetDrv(uDeviceID)->lpfnYieldProc(uDeviceID, MCI_GetDrv(uDeviceID)->dwYieldData);
    }

    return ret;
}

/**************************************************************************
 * 				midiOutGetNumDevs	[WINMM.80]
 */
UINT WINAPI midiOutGetNumDevs(void)
{
    return midiOutGetNumDevs16();
}

/**************************************************************************
 * 				midiOutGetNumDevs	[MMSYSTEM.201]
 */
UINT16 WINAPI midiOutGetNumDevs16(void)
{
    UINT16	count = modMessage(0, MODM_GETNUMDEVS, 0L, 0L, 0L);

    TRACE(mmsys, "returns %u\n", count);
    return count;
}

/**************************************************************************
 * 				midiOutGetDevCapsW	[WINMM.76]
 */
UINT WINAPI midiOutGetDevCapsW(UINT uDeviceID, LPMIDIOUTCAPSW lpCaps, UINT uSize)
{
    MIDIOUTCAPS16	moc16;
    UINT		ret;
    
    ret = midiOutGetDevCaps16(uDeviceID, &moc16, sizeof(moc16));
    lpCaps->wMid		= moc16.wMid;
    lpCaps->wPid		= moc16.wPid;
    lpCaps->vDriverVersion	= moc16.vDriverVersion;
    lstrcpyAtoW(lpCaps->szPname, moc16.szPname);
    lpCaps->wTechnology	= moc16.wTechnology;
    lpCaps->wVoices		= moc16.wVoices;
    lpCaps->wNotes		= moc16.wNotes;
    lpCaps->wChannelMask	= moc16.wChannelMask;
    lpCaps->dwSupport	= moc16.dwSupport;
    return ret;
}

/**************************************************************************
 * 				midiOutGetDevCapsA	[WINMM.75]
 */
UINT WINAPI midiOutGetDevCapsA(UINT uDeviceID, LPMIDIOUTCAPSA lpCaps, UINT uSize)
{
    MIDIOUTCAPS16	moc16;
    UINT		ret;
    
    ret = midiOutGetDevCaps16(uDeviceID, &moc16, sizeof(moc16));
    lpCaps->wMid		= moc16.wMid;
    lpCaps->wPid		= moc16.wPid;
    lpCaps->vDriverVersion	= moc16.vDriverVersion;
    strcpy(lpCaps->szPname, moc16.szPname);
    lpCaps->wTechnology	= moc16.wTechnology;
    lpCaps->wVoices		= moc16.wVoices;
    lpCaps->wNotes		= moc16.wNotes;
    lpCaps->wChannelMask	= moc16.wChannelMask;
    lpCaps->dwSupport	= moc16.dwSupport;
    return ret;
}

/**************************************************************************
 * 				midiOutGetDevCaps	[MMSYSTEM.202]
 */
UINT16 WINAPI midiOutGetDevCaps16(UINT16 uDeviceID, LPMIDIOUTCAPS16 lpCaps, UINT16 uSize)
{
    TRACE(mmsys, "midiOutGetDevCaps\n");
    return modMessage(uDeviceID, MODM_GETDEVCAPS, 0, (DWORD)lpCaps, uSize);
}

/**************************************************************************
 * 				midiOutGetErrorTextA 	[WINMM.77]
 */
UINT WINAPI midiOutGetErrorTextA(UINT uError, LPSTR lpText, UINT uSize)
{
    TRACE(mmsys, "midiOutGetErrorText\n");
    return midiGetErrorText(uError, lpText, uSize);
}

/**************************************************************************
 * 				midiOutGetErrorTextW 	[WINMM.78]
 */
UINT WINAPI midiOutGetErrorTextW(UINT uError, LPWSTR lpText, UINT uSize)
{
    LPSTR	xstr = HeapAlloc(GetProcessHeap(), 0, uSize);
    UINT	ret;
    
    TRACE(mmsys, "midiOutGetErrorText\n");
    ret = midiGetErrorText(uError, xstr, uSize);
    lstrcpyAtoW(lpText, xstr);
    HeapFree(GetProcessHeap(), 0, xstr);
    return ret;
}

/**************************************************************************
 * 				midiOutGetErrorText 	[MMSYSTEM.203]
 */
UINT16 WINAPI midiOutGetErrorText16(UINT16 uError, LPSTR lpText, UINT16 uSize)
{
    TRACE(mmsys, "midiOutGetErrorText\n");
    return midiGetErrorText(uError, lpText, uSize);
}

/**************************************************************************
 * 				midiGetErrorText       	[internal]
 */
UINT16 WINAPI midiGetErrorText(UINT16 uError, LPSTR lpText, UINT16 uSize)
{
    LPSTR	msgptr;
    if ((lpText == NULL) || (uSize < 1)) return(FALSE);
    lpText[0] = '\0';
    switch (uError) {
    case MIDIERR_UNPREPARED:
	msgptr = "The MIDI header was not prepared. Use the Prepare function to prepare the header, and then try again.";
	break;
    case MIDIERR_STILLPLAYING:
	msgptr = "Cannot perform this operation while media data is still playing. Reset the device, or wait until the data is finished playing.";
	break;
    case MIDIERR_NOMAP:
	msgptr = "A MIDI map was not found. There may be a problem with the driver, or the MIDIMAP.CFG file may be corrupt or missing.";
	break;
    case MIDIERR_NOTREADY:
	msgptr = "The port is transmitting data to the device. Wait until the data has been transmitted, and then try again.";
	break;
    case MIDIERR_NODEVICE:
	msgptr = "The current MIDI Mapper setup refers to a MIDI device that is not installed on the system. Use MIDI Mapper to edit the setup.";
	break;
    case MIDIERR_INVALIDSETUP:
	msgptr = "The current MIDI setup is damaged. Copy the original MIDIMAP.CFG file to the Windows SYSTEM directory, and then try again.";
	break;
	/*
	  msg# 336 : Cannot use the song-pointer time format and the SMPTE time-format together.
	  msg# 337 : The specified MIDI device is already in use. Wait until it is free, and then try again.
	  msg# 338 : The specified MIDI device is not installed on the system. Use the Drivers option in Control Panel to install the driver.
	  msg# 339 : The current MIDI Mapper setup refers to a MIDI device that is not installed on the system. Use MIDI Mapper to edit the setup.
	  msg# 340 : An error occurred using the specified port.
	  msg# 341 : All multimedia timers are being used by other applications. Quit one of these applications, and then try again.
	  msg# 342 : There is no current MIDI port.
	  msg# 343 : There are no MIDI devices installed on the system. Use the Drivers option in Control Panel to install the driver.
	*/
    default:
	msgptr = "Unknown MIDI Error !\n";
	break;
    }
    lstrcpynA(lpText, msgptr, uSize);
    return TRUE;
}

static	LPMIDIOPENDESC	MIDI_OutAlloc(HMIDIOUT16* lphMidiOut, DWORD dwCallback, 
				      DWORD dwInstance, DWORD cIDs, MIDIOPENSTRMID* lpIDs)
{
    HMIDI16			hMidiOut;
    LPMIDIOPENDESC		lpDesc;

    hMidiOut = USER_HEAP_ALLOC(sizeof(MIDIOPENDESC) + (cIDs ? (cIDs - 1) : 0) * sizeof(MIDIOPENSTRMID));

    if (lphMidiOut != NULL) 
	*lphMidiOut = hMidiOut;
    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiOut);

    if (lpDesc) {
	lpDesc->hMidi = hMidiOut;
	lpDesc->dwCallback = dwCallback;
	lpDesc->dwInstance = dwInstance;
	lpDesc->dnDevNode = 0;
	lpDesc->cIds = cIDs;
	if (cIDs)
	    memcpy(&(lpDesc->rgIds), lpIDs, cIDs * sizeof(MIDIOPENSTRMID));
    }
    return lpDesc;
}

/**************************************************************************
 * 				midiOutOpen    		[WINM.84]
 */
UINT WINAPI midiOutOpen(HMIDIOUT* lphMidiOut, UINT uDeviceID,
			DWORD dwCallback, DWORD dwInstance, DWORD dwFlags)
{
    HMIDIOUT16	hmo16;
    UINT	ret;
    
    ret = midiOutOpen16(&hmo16, uDeviceID, dwCallback, dwInstance,
			CALLBACK32CONV(dwFlags));
    if (lphMidiOut) *lphMidiOut = hmo16;
    return ret;
}

/**************************************************************************
 * 				midiOutOpen    		[MMSYSTEM.204]
 */
UINT16 WINAPI midiOutOpen16(HMIDIOUT16* lphMidiOut, UINT16 uDeviceID,
                            DWORD dwCallback, DWORD dwInstance, DWORD dwFlags)
{
    LPMIDIOPENDESC		lpDesc;
    UINT16			ret = 0;
    BOOL			bMapperFlg = FALSE;
    
    TRACE(mmsys, "(%p, %d, %08lX, %08lX, %08lX);\n", 
	  lphMidiOut, uDeviceID, dwCallback, dwInstance, dwFlags);

    if (lphMidiOut != NULL) *lphMidiOut = 0;

    if (uDeviceID == (UINT16)MIDI_MAPPER) {
	TRACE(mmsys, "MIDI_MAPPER mode requested !\n");
	bMapperFlg = TRUE;
	uDeviceID = 0;
    }

    lpDesc = MIDI_OutAlloc(lphMidiOut, dwCallback, dwInstance, 0, NULL);

    if (lpDesc == NULL)
	return MMSYSERR_NOMEM;
    
    while (uDeviceID < MAXMIDIDRIVERS) {
	ret = modMessage(uDeviceID, MODM_OPEN, 
			 lpDesc->dwInstance, (DWORD)lpDesc, dwFlags);
	if (ret == MMSYSERR_NOERROR) break;
	if (!bMapperFlg) break;
	uDeviceID++;
	TRACE(mmsys, "MIDI_MAPPER mode ! try next driver...\n");
    }
    TRACE(mmsys, "=> wDevID=%u (%d)\n", uDeviceID, ret);
    if (ret != MMSYSERR_NOERROR) {
	HeapFree(GetProcessHeap(), 0, lpDesc);
	if (lphMidiOut) *lphMidiOut = 0;
    } else {
	lpDesc->wDevID = uDeviceID;
    }

    return ret;
}

/**************************************************************************
 * 				midiOutClose		[WINMM.74]
 */
UINT WINAPI midiOutClose(HMIDIOUT hMidiOut)
{
    return midiOutClose16(hMidiOut);
}

/**************************************************************************
 * 				midiOutClose		[MMSYSTEM.205]
 */
UINT16 WINAPI midiOutClose16(HMIDIOUT16 hMidiOut)
{
    LPMIDIOPENDESC	lpDesc;
    DWORD		dwRet;

    TRACE(mmsys, "(%04X)\n", hMidiOut);

    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiOut);

    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    dwRet = modMessage(lpDesc->wDevID, MODM_CLOSE, lpDesc->dwInstance, 0L, 0L);
    HeapFree(GetProcessHeap(), 0, lpDesc);
    return dwRet;
}

/**************************************************************************
 * 				midiOutPrepareHeader	[WINMM.85]
 */
UINT WINAPI midiOutPrepareHeader(HMIDIOUT hMidiOut,
				 MIDIHDR* lpMidiOutHdr, UINT uSize)
{
    LPMIDIOPENDESC	lpDesc;

    TRACE(mmsys, "(%04X, %p, %d)\n", hMidiOut, lpMidiOutHdr, uSize);

    lpDesc = (LPMIDIOPENDESC)USER_HEAP_LIN_ADDR(hMidiOut);
    if (lpDesc == NULL) 
	return MMSYSERR_INVALHANDLE;
    lpMidiOutHdr->reserved = (DWORD)lpMidiOutHdr;
    return modMessage(lpDesc->wDevID, MODM_PREPARE, lpDesc->dwInstance, 
		      (DWORD)lpMidiOutHdr, (DWORD)uSize);
}

/**************************************************************************
 * 				midiOutPrepareHeader	[MMSYSTEM.206]
 */
UINT16 WINAPI midiOutPrepareHeader16(HMIDIOUT16 hMidiOut,
                                     LPMIDIHDR16 /*SEGPTR*/ _lpMidiOutHdr, UINT16 uSize)
{
    LPMIDIOPENDESC	lpDesc;
    LPMIDIHDR16		lpMidiOutHdr = (LPMIDIHDR16)PTR_SEG_TO_LIN(_lpMidiOutHdr);

    TRACE(mmsys, "(%04X, %p, %d)\n", hMidiOut, lpMidiOutHdr, uSize);

    lpDesc = (LPMIDIOPENDESC)USER_HEAP_LIN_ADDR(hMidiOut);
    if (lpDesc == NULL) 
	return MMSYSERR_INVALHANDLE;
    lpMidiOutHdr->reserved = (DWORD)_lpMidiOutHdr;
    return modMessage(lpDesc->wDevID, MODM_PREPARE, lpDesc->dwInstance, 
		      (DWORD)lpMidiOutHdr, (DWORD)uSize);
}

/**************************************************************************
 * 				midiOutUnprepareHeader	[WINMM.89]
 */
UINT WINAPI midiOutUnprepareHeader(HMIDIOUT hMidiOut,
				   MIDIHDR* lpMidiOutHdr, UINT uSize)
{
    return midiOutUnprepareHeader16(hMidiOut, (MIDIHDR16*)lpMidiOutHdr, uSize);
}

/**************************************************************************
 * 				midiOutUnprepareHeader	[MMSYSTEM.207]
 */
UINT16 WINAPI midiOutUnprepareHeader16(HMIDIOUT16 hMidiOut,
				       MIDIHDR16* lpMidiOutHdr, UINT16 uSize)
{
    LPMIDIOPENDESC	lpDesc;

    TRACE(mmsys, "(%04X, %p, %d)\n", hMidiOut, lpMidiOutHdr, uSize);

    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiOut);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    return modMessage(lpDesc->wDevID, MODM_UNPREPARE, lpDesc->dwInstance, 
		      (DWORD)lpMidiOutHdr, (DWORD)uSize);
}

/**************************************************************************
 * 				midiOutShortMsg		[WINMM.88]
 */
UINT WINAPI midiOutShortMsg(HMIDIOUT hMidiOut, DWORD dwMsg)
{
    return midiOutShortMsg16(hMidiOut, dwMsg);
}

/**************************************************************************
 * 				midiOutShortMsg		[MMSYSTEM.208]
 */
UINT16 WINAPI midiOutShortMsg16(HMIDIOUT16 hMidiOut, DWORD dwMsg)
{
    LPMIDIOPENDESC	lpDesc;

    TRACE(mmsys, "(%04X, %08lX)\n", hMidiOut, dwMsg);

    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiOut);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    return modMessage(lpDesc->wDevID, MODM_DATA, lpDesc->dwInstance, dwMsg, 0L);
}

/**************************************************************************
 * 				midiOutLongMsg		[WINMM.82]
 */
UINT WINAPI midiOutLongMsg(HMIDIOUT hMidiOut,
			   MIDIHDR* lpMidiOutHdr, UINT uSize)
{
    return midiOutLongMsg16(hMidiOut, (MIDIHDR16*)lpMidiOutHdr, uSize);
}

/**************************************************************************
 * 				midiOutLongMsg		[MMSYSTEM.209]
 */
UINT16 WINAPI midiOutLongMsg16(HMIDIOUT16 hMidiOut,
                               MIDIHDR16* lpMidiOutHdr, UINT16 uSize)
{
    LPMIDIOPENDESC	lpDesc;

    TRACE(mmsys, "(%04X, %p, %d)\n", hMidiOut, lpMidiOutHdr, uSize);

    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiOut);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    return modMessage(lpDesc->wDevID, MODM_LONGDATA, lpDesc->dwInstance, 
		      (DWORD)lpMidiOutHdr, (DWORD)uSize);
}

/**************************************************************************
 * 				midiOutReset		[WINMM.86]
 */
UINT WINAPI midiOutReset(HMIDIOUT hMidiOut)
{
    return midiOutReset16(hMidiOut);
}

/**************************************************************************
 * 				midiOutReset		[MMSYSTEM.210]
 */
UINT16 WINAPI midiOutReset16(HMIDIOUT16 hMidiOut)
{
    LPMIDIOPENDESC	lpDesc;

    TRACE(mmsys, "(%04X)\n", hMidiOut);

    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiOut);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    return modMessage(lpDesc->wDevID, MODM_RESET, lpDesc->dwInstance, 0L, 0L);
}

/**************************************************************************
 * 				midiOutGetVolume	[WINM.81]
 */
UINT WINAPI midiOutGetVolume(UINT uDeviceID, DWORD* lpdwVolume)
{
    return midiOutGetVolume16(uDeviceID, lpdwVolume);
}

/**************************************************************************
 * 				midiOutGetVolume	[MMSYSTEM.211]
 */
UINT16 WINAPI midiOutGetVolume16(UINT16 uDeviceID, DWORD* lpdwVolume)
{
    TRACE(mmsys, "(%04X, %p);\n", uDeviceID, lpdwVolume);
    return modMessage(uDeviceID, MODM_GETVOLUME, 0L, (DWORD)lpdwVolume, 0L);
}

/**************************************************************************
 * 				midiOutSetVolume	[WINMM.87]
 */
UINT WINAPI midiOutSetVolume(UINT uDeviceID, DWORD dwVolume)
{
    return midiOutSetVolume16(uDeviceID, dwVolume);
}

/**************************************************************************
 * 				midiOutSetVolume	[MMSYSTEM.212]
 */
UINT16 WINAPI midiOutSetVolume16(UINT16 uDeviceID, DWORD dwVolume)
{
    TRACE(mmsys, "(%04X, %08lX);\n", uDeviceID, dwVolume);
    return modMessage(uDeviceID, MODM_SETVOLUME, 0L, dwVolume, 0L);
}

/**************************************************************************
 * 				midiOutCachePatches		[WINMM.73]
 */
UINT WINAPI midiOutCachePatches(HMIDIOUT hMidiOut, UINT uBank,
				WORD* lpwPatchArray, UINT uFlags)
{
    return midiOutCachePatches16(hMidiOut, uBank, lpwPatchArray, uFlags);
}

/**************************************************************************
 * 				midiOutCachePatches		[MMSYSTEM.213]
 */
UINT16 WINAPI midiOutCachePatches16(HMIDIOUT16 hMidiOut, UINT16 uBank,
                                    WORD* lpwPatchArray, UINT16 uFlags)
{
    /* not really necessary to support this */
    FIXME(mmsys, "not supported yet\n");
    return MMSYSERR_NOTSUPPORTED;
}

/**************************************************************************
 * 				midiOutCacheDrumPatches	[WINMM.72]
 */
UINT WINAPI midiOutCacheDrumPatches(HMIDIOUT hMidiOut, UINT uPatch,
				    WORD* lpwKeyArray, UINT uFlags)
{
    return midiOutCacheDrumPatches16(hMidiOut, uPatch, lpwKeyArray, uFlags);
}

/**************************************************************************
 * 				midiOutCacheDrumPatches	[MMSYSTEM.214]
 */
UINT16 WINAPI midiOutCacheDrumPatches16(HMIDIOUT16 hMidiOut, UINT16 uPatch,
                                        WORD* lpwKeyArray, UINT16 uFlags)
{
    FIXME(mmsys, "not supported yet\n");
    return MMSYSERR_NOTSUPPORTED;
}

/**************************************************************************
 * 				midiOutGetID		[WINMM.79]
 */
UINT WINAPI midiOutGetID(HMIDIOUT hMidiOut, UINT* lpuDeviceID)
{
    UINT16	xid;
    UINT	ret;
    
    ret = midiOutGetID16(hMidiOut, &xid);
    *lpuDeviceID = xid;
    return ret;
}

/**************************************************************************
 * 				midiOutGetID		[MMSYSTEM.215]
 */
UINT16 WINAPI midiOutGetID16(HMIDIOUT16 hMidiOut, UINT16* lpuDeviceID)
{
    TRACE(mmsys, "midiOutGetID\n");
    return 0;
}

/**************************************************************************
 * 				midiOutMessage		[WINMM.83]
 */
DWORD WINAPI midiOutMessage(HMIDIOUT hMidiOut, UINT uMessage, 
			    DWORD dwParam1, DWORD dwParam2)
{
    LPMIDIOPENDESC	lpDesc;

    /* Shouldn't we anyway use the functions midiOutXXX ?
     * M$ doc says: This function is used only for driver-specific 
     * messages that are not supported by the MIDI API. 
     * Clearly not what we are currently doing
     */

    TRACE(mmsys, "(%04X, %04X, %08lX, %08lX)\n", 
	  hMidiOut, uMessage, dwParam1, dwParam2);

    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiOut);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    switch (uMessage) {
    case MODM_OPEN:
	FIXME(mmsys,"can't handle MODM_OPEN!\n");
	return 0;
    case MODM_GETDEVCAPS:
	return midiOutGetDevCapsA(hMidiOut, (LPMIDIOUTCAPSA)dwParam1, dwParam2);
    case MODM_GETNUMDEVS:
    case MODM_RESET:
    case MODM_CLOSE:
    case MODM_GETVOLUME:
    case MODM_SETVOLUME:
    case MODM_LONGDATA:
    case MODM_PREPARE:
    case MODM_UNPREPARE:
	/* no argument conversion needed */
	break;
    default:
	ERR(mmsys,"(%04x, %04x, %08lx, %08lx): unhandled message\n",
	    hMidiOut, uMessage, dwParam1, dwParam2);
	break;
    }
    return modMessage(lpDesc->wDevID, uMessage, lpDesc->dwInstance, dwParam1, dwParam2);
}

/**************************************************************************
 * 				midiOutMessage		[MMSYSTEM.216]
 */
DWORD WINAPI midiOutMessage16(HMIDIOUT16 hMidiOut, UINT16 uMessage, 
                              DWORD dwParam1, DWORD dwParam2)
{
    LPMIDIOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X, %04X, %08lX, %08lX)\n", 
	  hMidiOut, uMessage, dwParam1, dwParam2);
    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiOut);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    switch (uMessage) {
    case MODM_OPEN:
	FIXME(mmsys,"can't handle MODM_OPEN!\n");
	return 0;
    case MODM_GETNUMDEVS:
    case MODM_RESET:
    case MODM_CLOSE:
    case MODM_SETVOLUME:
	/* no argument conversion needed */
	break;
    case MODM_GETVOLUME:
	return midiOutGetVolume16(hMidiOut, (LPDWORD)PTR_SEG_TO_LIN(dwParam1));
    case MODM_LONGDATA:
	return midiOutLongMsg16(hMidiOut, (LPMIDIHDR16)PTR_SEG_TO_LIN(dwParam1), dwParam2);
    case MODM_PREPARE:
	/* lpMidiOutHdr is still a segmented pointer for this function */
	return midiOutPrepareHeader16(hMidiOut, (LPMIDIHDR16)dwParam1, dwParam2);
    case MODM_UNPREPARE:
	return midiOutUnprepareHeader16(hMidiOut, (LPMIDIHDR16)PTR_SEG_TO_LIN(dwParam1), dwParam2);
    default:
	ERR(mmsys,"(%04x, %04x, %08lx, %08lx): unhandled message\n",
	    hMidiOut, uMessage, dwParam1, dwParam2);
	break;
    }
    return modMessage(lpDesc->wDevID, uMessage, lpDesc->dwInstance, dwParam1, dwParam2);
}

/**************************************************************************
 * 				midiInGetNumDevs	[WINMM.64]
 */
UINT WINAPI midiInGetNumDevs(void)
{
    return midiInGetNumDevs16();
}

/**************************************************************************
 * 				midiInGetNumDevs	[MMSYSTEM.301]
 */
UINT16 WINAPI midiInGetNumDevs16(void)
{
    UINT16	count = 0;
    TRACE(mmsys, "midiInGetNumDevs\n");
    count += midMessage(0, MIDM_GETNUMDEVS, 0L, 0L, 0L);
    TRACE(mmsys, "midiInGetNumDevs return %u \n", count);
    return count;
}

/**************************************************************************
 * 				midiInGetDevCaps	[WINMM.60]
 */
UINT WINAPI midiInGetDevCapsW(UINT uDeviceID, LPMIDIINCAPSW lpCaps, UINT uSize)
{
    MIDIINCAPS16	mic16;
    UINT		ret = midiInGetDevCaps16(uDeviceID, &mic16, uSize);
    
    lpCaps->wMid = mic16.wMid;
    lpCaps->wPid = mic16.wPid;
    lpCaps->vDriverVersion = mic16.vDriverVersion;
    lstrcpyAtoW(lpCaps->szPname, mic16.szPname);
    lpCaps->dwSupport = mic16.dwSupport;
    return ret;
}

/**************************************************************************
 * 				midiInGetDevCaps	[WINMM.59]
 */
UINT WINAPI midiInGetDevCapsA(UINT uDeviceID, LPMIDIINCAPSA lpCaps, UINT uSize)
{
    MIDIINCAPS16	mic16;
    UINT		ret = midiInGetDevCaps16(uDeviceID, &mic16, uSize);
    
    lpCaps->wMid = mic16.wMid;
    lpCaps->wPid = mic16.wPid;
    lpCaps->vDriverVersion = mic16.vDriverVersion;
    strcpy(lpCaps->szPname, mic16.szPname);
    lpCaps->dwSupport = mic16.dwSupport;
    return ret;
}

/**************************************************************************
 * 				midiInGetDevCaps	[MMSYSTEM.302]
 */
UINT16 WINAPI midiInGetDevCaps16(UINT16 uDeviceID,
				 LPMIDIINCAPS16 lpCaps, UINT16 uSize)
{
    TRACE(mmsys, "midiInGetDevCaps\n");
    return midMessage(uDeviceID, MIDM_GETDEVCAPS, 0, (DWORD)lpCaps, uSize);
}

/**************************************************************************
 * 				midiInGetErrorText 		[WINMM.62]
 */
UINT WINAPI midiInGetErrorTextW(UINT uError, LPWSTR lpText, UINT uSize)
{
    LPSTR	xstr = HeapAlloc(GetProcessHeap(), 0, uSize);
    UINT	ret = midiInGetErrorText16(uError, xstr, uSize);
    lstrcpyAtoW(lpText, xstr);
    HeapFree(GetProcessHeap(), 0, xstr);
    return ret;
}

/**************************************************************************
 * 				midiInGetErrorText 		[WINMM.61]
 */
UINT WINAPI midiInGetErrorTextA(UINT uError, LPSTR lpText, UINT uSize)
{
    return midiInGetErrorText16(uError, lpText, uSize);
}

/**************************************************************************
 * 				midiInGetErrorText 		[MMSYSTEM.303]
 */
UINT16 WINAPI midiInGetErrorText16(UINT16 uError, LPSTR lpText, UINT16 uSize)
{
    TRACE(mmsys, "midiInGetErrorText\n");
    return (midiGetErrorText(uError, lpText, uSize));
}

/**************************************************************************
 * 				midiInOpen		[WINMM.66]
 */
UINT WINAPI midiInOpen(HMIDIIN* lphMidiIn, UINT uDeviceID,
		       DWORD dwCallback, DWORD dwInstance, DWORD dwFlags)
{
    HMIDIIN16	xhmid16;
    UINT 		ret = midiInOpen16(&xhmid16, uDeviceID, dwCallback, dwInstance,
					   CALLBACK32CONV(dwFlags));
    if (lphMidiIn) 
	*lphMidiIn = xhmid16;
    return ret;
}

/**************************************************************************
 * 				midiInOpen		[MMSYSTEM.304]
 */
UINT16 WINAPI midiInOpen16(HMIDIIN16* lphMidiIn, UINT16 uDeviceID,
                           DWORD dwCallback, DWORD dwInstance, DWORD dwFlags)
{
    HMIDI16			hMidiIn;
    LPMIDIOPENDESC		lpDesc;
    DWORD			dwRet = 0;
    BOOL			bMapperFlg = FALSE;
    
    if (lphMidiIn != NULL) 
	*lphMidiIn = 0;
    TRACE(mmsys, "(%p, %d, %08lX, %08lX, %08lX);\n", 
	  lphMidiIn, uDeviceID, dwCallback, dwInstance, dwFlags);
    if (uDeviceID == (UINT16)MIDI_MAPPER) {
	TRACE(mmsys, "MIDI_MAPPER mode requested !\n");
	bMapperFlg = TRUE;
	uDeviceID = 0;
    }
    hMidiIn = USER_HEAP_ALLOC(sizeof(MIDIOPENDESC));
    if (lphMidiIn != NULL) 
	*lphMidiIn = hMidiIn;
    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiIn);
    if (lpDesc == NULL) 
	return MMSYSERR_NOMEM;
    lpDesc->hMidi = hMidiIn;
    lpDesc->dwCallback = dwCallback;
    lpDesc->dwInstance = dwInstance;
    
    while (uDeviceID < MAXMIDIDRIVERS) {
	dwRet = midMessage(uDeviceID, MIDM_OPEN, 
			   lpDesc->dwInstance, (DWORD)lpDesc, dwFlags);
	if (dwRet == MMSYSERR_NOERROR) 
	    break;
	if (!bMapperFlg) 
	    break;
	uDeviceID++;
	TRACE(mmsys, "MIDI_MAPPER mode ! try next driver...\n");
    }
    lpDesc->wDevID = uDeviceID;
    
    if (dwRet != MMSYSERR_NOERROR) {
	USER_HEAP_FREE(hMidiIn);
	if (lphMidiIn) *lphMidiIn = 0;
    }

    return dwRet;
}

/**************************************************************************
 * 				midiInClose		[WINMM.58]
 */
UINT WINAPI midiInClose(HMIDIIN hMidiIn)
{
    return midiInClose16(hMidiIn);
}

/**************************************************************************
 * 				midiInClose		[MMSYSTEM.305]
 */
UINT16 WINAPI midiInClose16(HMIDIIN16 hMidiIn)
{
    LPMIDIOPENDESC	lpDesc;
    DWORD		dwRet;    

    TRACE(mmsys, "(%04X)\n", hMidiIn);
    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiIn);

    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    dwRet = midMessage(lpDesc->wDevID, MIDM_CLOSE, lpDesc->dwInstance, 0L, 0L);
    USER_HEAP_FREE(hMidiIn);
    return dwRet;
}

/**************************************************************************
 * 				midiInPrepareHeader	[WINMM.67]
 */
UINT WINAPI midiInPrepareHeader(HMIDIIN hMidiIn, 
				MIDIHDR* lpMidiInHdr, UINT uSize)
{
    LPMIDIOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X, %p, %d)\n", hMidiIn, lpMidiInHdr, uSize);

    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiIn);
    if (lpDesc == NULL) 
	return MMSYSERR_INVALHANDLE;
    lpMidiInHdr->reserved = (DWORD)lpMidiInHdr;
    return midMessage(lpDesc->wDevID, MIDM_PREPARE, lpDesc->dwInstance, 
		      (DWORD)lpMidiInHdr, (DWORD)uSize);
}

/**************************************************************************
 * 				midiInPrepareHeader	[MMSYSTEM.306]
 */
UINT16 WINAPI midiInPrepareHeader16(HMIDIIN16 hMidiIn,
                                    MIDIHDR16* /*SEGPTR*/ _lpMidiInHdr, UINT16 uSize)
{
    LPMIDIOPENDESC	lpDesc;
    LPMIDIHDR16		lpMidiInHdr = (LPMIDIHDR16)PTR_SEG_TO_LIN(_lpMidiInHdr);

    TRACE(mmsys, "(%04X, %p, %d)\n", hMidiIn, lpMidiInHdr, uSize);

    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiIn);
    if (lpDesc == NULL) 
	return MMSYSERR_INVALHANDLE;
    lpMidiInHdr->reserved = (DWORD)_lpMidiInHdr;
    return midMessage(lpDesc->wDevID, MIDM_PREPARE, lpDesc->dwInstance, 
		      (DWORD)lpMidiInHdr, (DWORD)uSize);
}

/**************************************************************************
 * 				midiInUnprepareHeader	[WINMM.71]
 */
UINT WINAPI midiInUnprepareHeader(HMIDIIN hMidiIn,
				  MIDIHDR* lpMidiInHdr, UINT uSize)
{
    return midiInUnprepareHeader16(hMidiIn, (MIDIHDR16*)lpMidiInHdr, uSize);
}

/**************************************************************************
 * 				midiInUnprepareHeader	[MMSYSTEM.307]
 */
UINT16 WINAPI midiInUnprepareHeader16(HMIDIIN16 hMidiIn,
                                      MIDIHDR16* lpMidiInHdr, UINT16 uSize)
{
    LPMIDIOPENDESC	lpDesc;

    TRACE(mmsys, "(%04X, %p, %d)\n", hMidiIn, lpMidiInHdr, uSize);

    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiIn);
    if (lpDesc == NULL) 
	return MMSYSERR_INVALHANDLE;
    return midMessage(lpDesc->wDevID, MIDM_UNPREPARE, lpDesc->dwInstance, 
		      (DWORD)lpMidiInHdr, (DWORD)uSize);
}

/**************************************************************************
 * 				midiInAddBuffer		[WINMM.57]
 */
UINT WINAPI midiInAddBuffer(HMIDIIN hMidiIn,
			    MIDIHDR* lpMidiInHdr, UINT uSize)
{
    return midiInAddBuffer16(hMidiIn, (MIDIHDR16*)lpMidiInHdr, uSize);
}

/**************************************************************************
 * 				midiInAddBuffer		[MMSYSTEM.308]
 */
UINT16 WINAPI midiInAddBuffer16(HMIDIIN16 hMidiIn,
                                MIDIHDR16* lpMidiInHdr, UINT16 uSize)
{
    TRACE(mmsys, "midiInAddBuffer\n");
    return 0;
}

/**************************************************************************
 * 				midiInStart			[WINMM.69]
 */
UINT WINAPI midiInStart(HMIDIIN hMidiIn)
{
    return midiInStart16(hMidiIn);
}

/**************************************************************************
 * 				midiInStart			[MMSYSTEM.309]
 */
UINT16 WINAPI midiInStart16(HMIDIIN16 hMidiIn)
{
    LPMIDIOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X)\n", hMidiIn);
    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiIn);
    if (lpDesc == NULL) 
	return MMSYSERR_INVALHANDLE;
    return midMessage(lpDesc->wDevID, MIDM_START, lpDesc->dwInstance, 0L, 0L);
}

/**************************************************************************
 * 				midiInStop			[WINMM.70]
 */
UINT WINAPI midiInStop(HMIDIIN hMidiIn)
{
    return midiInStop16(hMidiIn);
}

/**************************************************************************
 * 				midiInStop			[MMSYSTEM.310]
 */
UINT16 WINAPI midiInStop16(HMIDIIN16 hMidiIn)
{
    LPMIDIOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X)\n", hMidiIn);
    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiIn);
    if (lpDesc == NULL) 
	return MMSYSERR_INVALHANDLE;
    return midMessage(lpDesc->wDevID, MIDM_STOP, lpDesc->dwInstance, 0L, 0L);
}

/**************************************************************************
 * 				midiInReset			[WINMM.68]
 */
UINT WINAPI midiInReset(HMIDIIN hMidiIn)
{
    return midiInReset16(hMidiIn);
}

/**************************************************************************
 * 				midiInReset			[MMSYSTEM.311]
 */
UINT16 WINAPI midiInReset16(HMIDIIN16 hMidiIn)
{
    LPMIDIOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X)\n", hMidiIn);
    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiIn);
    if (lpDesc == NULL) 
	return MMSYSERR_INVALHANDLE;
    return midMessage(lpDesc->wDevID, MIDM_RESET, lpDesc->dwInstance, 0L, 0L);
}

/**************************************************************************
 * 				midiInGetID			[WINMM.63]
 */
UINT WINAPI midiInGetID(HMIDIIN hMidiIn, UINT* lpuDeviceID)
{
    LPMIDIOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X, %p)\n", hMidiIn, lpuDeviceID);
    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiIn);
    if (lpDesc == NULL) 
	return MMSYSERR_INVALHANDLE;
    if (lpuDeviceID == NULL) 
	return MMSYSERR_INVALPARAM;
    *lpuDeviceID = lpDesc->wDevID;
    
    return MMSYSERR_NOERROR;
}

/**************************************************************************
 * 				midiInGetID			[MMSYSTEM.312]
 */
UINT16 WINAPI midiInGetID16(HMIDIIN16 hMidiIn, UINT16* lpuDeviceID)
{
    LPMIDIOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X, %p)\n", hMidiIn, lpuDeviceID);
    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiIn);
    if (lpDesc == NULL) 
	return MMSYSERR_INVALHANDLE;
    if (lpuDeviceID == NULL) 
	return MMSYSERR_INVALPARAM;
    *lpuDeviceID = lpDesc->wDevID;
    
    return MMSYSERR_NOERROR;
}

/**************************************************************************
 * 				midiInMessage		[WINMM.65]
 */
DWORD WINAPI midiInMessage(HMIDIIN hMidiIn, UINT uMessage, 
			   DWORD dwParam1, DWORD dwParam2)
{
    LPMIDIOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X, %04X, %08lX, %08lX)\n", 
	  hMidiIn, uMessage, dwParam1, dwParam2);
    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiIn);
    if (lpDesc == NULL) 
	return MMSYSERR_INVALHANDLE;
    
    switch (uMessage) {
    case MIDM_OPEN:
	FIXME(mmsys,"can't handle MIDM_OPEN!\n");
	return 0;
    case MIDM_GETDEVCAPS:
	return midiInGetDevCapsA(hMidiIn, (LPMIDIINCAPSA)dwParam1, dwParam2);
    case MIDM_GETNUMDEVS:
    case MIDM_RESET:
    case MIDM_STOP:
    case MIDM_START:
    case MIDM_CLOSE:
	/* no argument conversion needed */
	break;
    case MIDM_PREPARE:
	return midiInPrepareHeader(hMidiIn, (LPMIDIHDR)dwParam1, dwParam2);
    case MIDM_UNPREPARE:
	return midiInUnprepareHeader(hMidiIn, (LPMIDIHDR)dwParam1, dwParam2);
    case MIDM_ADDBUFFER:
	return midiInAddBuffer(hMidiIn, (LPMIDIHDR)dwParam1, dwParam2);
    default:
	ERR(mmsys,"(%04x, %04x, %08lx, %08lx): unhandled message\n",
	    hMidiIn, uMessage, dwParam1, dwParam2);
	break;
    }
    return midMessage(0, uMessage, lpDesc->dwInstance, dwParam1, dwParam2);
}

/**************************************************************************
 * 				midiInMessage		[MMSYSTEM.313]
 */
DWORD WINAPI midiInMessage16(HMIDIIN16 hMidiIn, UINT16 uMessage, 
                             DWORD dwParam1, DWORD dwParam2)
{
    LPMIDIOPENDESC	lpDesc;

    TRACE(mmsys, "(%04X, %04X, %08lX, %08lX)\n", hMidiIn, uMessage, dwParam1, dwParam2);

    lpDesc = (LPMIDIOPENDESC) USER_HEAP_LIN_ADDR(hMidiIn);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    switch (uMessage) {
    case MIDM_OPEN:
	WARN(mmsys,"can't handle MIDM_OPEN!\n");
	return 0;
    case MIDM_GETDEVCAPS:
	return midiInGetDevCaps16(hMidiIn, (LPMIDIINCAPS16)PTR_SEG_TO_LIN(dwParam1), dwParam2);
    case MIDM_GETNUMDEVS:
    case MIDM_RESET:
    case MIDM_STOP:
    case MIDM_START:
    case MIDM_CLOSE:
	/* no argument conversion needed */
	break;
    case MIDM_PREPARE:
	return midiInPrepareHeader16(hMidiIn, (LPMIDIHDR16)PTR_SEG_TO_LIN(dwParam1), dwParam2);
    case MIDM_UNPREPARE:
	return midiInUnprepareHeader16(hMidiIn, (LPMIDIHDR16)PTR_SEG_TO_LIN(dwParam1), dwParam2);
    case MIDM_ADDBUFFER:
	return midiInAddBuffer16(hMidiIn, (LPMIDIHDR16)PTR_SEG_TO_LIN(dwParam1), dwParam2);
    default:
	ERR(mmsys,"(%04x, %04x, %08lx, %08lx): unhandled message\n",
	    hMidiIn, uMessage, dwParam1, dwParam2);
	break;
    }
    return midMessage(0, uMessage, lpDesc->dwInstance, dwParam1, dwParam2);
}

typedef struct WINE_MIDIStream{
    HMIDIOUT			hDevice;
    HANDLE			hThread;
    DWORD			dwThreadID;
    DWORD			dwTempo;
    DWORD			dwTimeDiv;
    DWORD			dwPositionMS;
    DWORD			dwPulses;
    DWORD			dwStartTicks;
    WORD			wFlags;
    BOOL			bFlag;
} WINE_MIDIStream;

/**************************************************************************
 * 				MMSYSTEM_GetMidiStream		[internal]
 */
static	BOOL	MMSYSTEM_GetMidiStream(HMIDISTRM hMidiStrm, WINE_MIDIStream** lpMidiStrm, MIDIOPENDESC** lplpDesc)
{
    MIDIOPENDESC* lpDesc = (LPMIDIOPENDESC)USER_HEAP_LIN_ADDR(hMidiStrm);

    if (lplpDesc)
	*lplpDesc = lpDesc;

    if (lpDesc == NULL) {
	return FALSE;
    }

    *lpMidiStrm = (WINE_MIDIStream*)lpDesc->rgIds.dwStreamID;

    return *lpMidiStrm != NULL;
}

/**************************************************************************
 * 				MMSYSTEM_MidiStreamConvert	[internal]
 */
static	DWORD	MMSYSTEM_MidiStreamConvert(WINE_MIDIStream* lpMidiStrm, DWORD pulse)
{
    DWORD	ret = 0;
    
    if (lpMidiStrm->dwTimeDiv == 0) {
	FIXME(mmsys, "Shouldn't happen. lpMidiStrm->dwTimeDiv = 0\n");
    } else if (lpMidiStrm->dwTimeDiv > 0x8000) { /* SMPTE, unchecked FIXME? */
	int	nf = -(char)HIBYTE(lpMidiStrm->dwTimeDiv);	/* number of frames     */
	int	nsf = LOBYTE(lpMidiStrm->dwTimeDiv);		/* number of sub-frames */
	ret = (pulse * 1000) / (nf * nsf);
    } else {
	ret = (DWORD)((double)pulse * ((double)lpMidiStrm->dwTempo / 1000) /	
		      (double)lpMidiStrm->dwTimeDiv);
    }
    
    return ret;
}

/**************************************************************************
 * 				MMSYSTEM_MidiStreamPlayer	[internal]
 */
static	DWORD	WINAPI	MMSYSTEM_MidiStreamPlayer(LPVOID pmt)
{
    WINE_MIDIStream* 	lpMidiStrm = pmt;
    MIDIOPENDESC*	lpDesc = USER_HEAP_LIN_ADDR(lpMidiStrm->hDevice);
    MSG			msg;
    DWORD		dwToGo;
    DWORD		dwCurrTC;

    TRACE(mmsys, "(%p)!\n", lpMidiStrm);

    /* force thread's queue creation */
    /* Used to be InitThreadInput16(0, 5); */
    /* but following works also with hack in midiStreamOpen */
    Callout.PeekMessageA(&msg, 0, 0, 0, 0);

    /* FIXME: this next line must be called before midiStreamOut or midiStreamRestart are called */
    lpMidiStrm->bFlag = TRUE;
    TRACE(mmsys, "Ready to go 1\n");
    SuspendThread(lpMidiStrm->hThread);
    TRACE(mmsys, "Ready to go 2\n");

    lpMidiStrm->dwStartTicks = 0;    
    lpMidiStrm->dwPulses = 0;

    while (Callout.GetMessageA(&msg, 0, 0, 0)) {
	LPMIDIHDR	lpMidiHdr = (LPMIDIHDR)msg.lParam;
	LPMIDIEVENT 	me;
	LPBYTE		lpData;

	switch (msg.message) {
	case WM_USER:
	    TRACE(mmsys, "%s lpMidiHdr=%p [lpData=0x%08lx dwBufferLength=%lu/%lu dwFlags=0x%08lx]\n", 
		  (lpMidiHdr->dwFlags & MHDR_ISSTRM) ? "stream" : "regular", lpMidiHdr, 
		  lpMidiHdr->reserved, lpMidiHdr->dwBufferLength, lpMidiHdr->dwBytesRecorded, lpMidiHdr->dwFlags);

	    /* <HACK>
	     * midiOutPrepareHeader(), in Wine, sets the 'reserved' field of MIDIHDR to the
	     * 16 or 32 bit address of lpMidiHdr (depending if called from 16 to 32 bit code)
	     */
	    lpData = ((DWORD)lpMidiHdr == lpMidiHdr->reserved) ?
		(LPBYTE)lpMidiHdr->lpData : (LPBYTE)PTR_SEG_TO_LIN(lpMidiHdr->lpData);

#if 0
	    /* dumps content of lpMidiHdr->lpData
	     * FIXME: there should be a debug routine somewhere that already does this
	     * I hate spreading this type of shit all around the code 
	     */ 
	    for (dwToGo = 0; dwToGo < lpMidiHdr->dwBufferLength; dwToGo += 16) {
		DWORD	i;
		BYTE	ch;

		for (i = 0; i < MIN(16, lpMidiHdr->dwBufferLength - dwToGo); i++)
		    printf("%02x ", lpData[dwToGo + i]);
		for (; i < 16; i++)
		    printf("   ");
		for (i = 0; i < MIN(16, lpMidiHdr->dwBufferLength - dwToGo); i++) {
		    ch = lpData[dwToGo + i];
		    printf("%c", (ch >= 0x20 && ch <= 0x7F) ? ch : '.');
		}
		printf("\n");
	    }
#endif
	    /* FIXME: EPP says "I don't understand the content of the first MIDIHDR sent
	     * by native mcimidi, it doesn't look like a correct one".
	     * this trick allows to throw it away... but I don't like it. 
	     * It looks like part of the file I'm trying to play and definitively looks 
	     * like raw midi content
	     * I'd really like to understand why native mcimidi sends it. Perhaps a bad
	     * synchronization issue where native mcimidi is still processing raw MIDI 
	     * content before generating MIDIEVENTs ?
	     *
	     * 4c 04 89 3b 00 81 7c 99 3b 43 00 99 23 5e 04 89 L..;..|.;C..#^..
	     * 3b 00 00 89 23 00 7c 99 3b 45 00 99 28 62 04 89 ;...#.|.;E..(b..
	     * 3b 00 00 89 28 00 81 7c 99 3b 4e 00 99 23 5e 04 ;...(..|.;N..#^.
	     * 89 3b 00 00 89 23 00 7c 99 3b 45 00 99 23 78 04 .;...#.|.;E..#x.
	     * 89 3b 00 00 89 23 00 81 7c 99 3b 48 00 99 23 5e .;...#..|.;H..#^
	     * 04 89 3b 00 00 89 23 00 7c 99 3b 4e 00 99 28 62 ..;...#.|.;N..(b
	     * 04 89 3b 00 00 89 28 00 81 7c 99 39 4c 00 99 23 ..;...(..|.9L..#
	     * 5e 04 89 39 00 00 89 23 00 82 7c 99 3b 4c 00 99 ^..9...#..|.;L..
	     * 23 5e 04 89 3b 00 00 89 23 00 7c 99 3b 48 00 99 #^..;...#.|.;H..
	     * 28 62 04 89 3b 00 00 89 28 00 81 7c 99 3b 3f 04 (b..;...(..|.;?.
	     * 89 3b 00 1c 99 23 5e 04 89 23 00 5c 99 3b 45 00 .;...#^..#.\.;E.
	     * 99 23 78 04 89 3b 00 00 89 23 00 81 7c 99 3b 46 .#x..;...#..|.;F
	     * 00 99 23 5e 04 89 3b 00 00 89 23 00 7c 99 3b 48 ..#^..;...#.|.;H
	     * 00 99 28 62 04 89 3b 00 00 89 28 00 81 7c 99 3b ..(b..;...(..|.;
	     * 46 00 99 23 5e 04 89 3b 00 00 89 23 00 7c 99 3b F..#^..;...#.|.;
	     * 48 00 99 23 78 04 89 3b 00 00 89 23 00 81 7c 99 H..#x..;...#..|.
	     * 3b 4c 00 99 23 5e 04 89 3b 00 00 89 23 00 7c 99 ;L..#^..;...#.|.
	     */
	    if (((LPMIDIEVENT)lpData)->dwStreamID != 0 && 
		((LPMIDIEVENT)lpData)->dwStreamID != 0xFFFFFFFF &&
		((LPMIDIEVENT)lpData)->dwStreamID != (DWORD)lpMidiStrm) {
		FIXME(mmsys, "Dropping bad lpMidiHdr (streamID=%08lx)\n", ((LPMIDIEVENT)lpData)->dwStreamID);
	    } else {
		/* sets initial tick count for first MIDIHDR */
		if (!lpMidiStrm->dwStartTicks)
		    lpMidiStrm->dwStartTicks = GetTickCount();
		
		for (lpMidiHdr->dwOffset = 0; lpMidiHdr->dwOffset < lpMidiHdr->dwBufferLength; ) {
		    me = (LPMIDIEVENT)(lpData + lpMidiHdr->dwOffset);
		    
		    if (me->dwDeltaTime) {
			lpMidiStrm->dwPositionMS += MMSYSTEM_MidiStreamConvert(lpMidiStrm, me->dwDeltaTime);
			dwToGo = lpMidiStrm->dwStartTicks + lpMidiStrm->dwPositionMS;
			dwCurrTC = GetTickCount();
			
			lpMidiStrm->dwPulses += me->dwDeltaTime;
			
			TRACE(mmsys, "%ld/%ld/%ld\n", dwToGo, dwCurrTC, me->dwDeltaTime);
			if (dwCurrTC < dwToGo)	
			    Sleep(dwToGo - dwCurrTC);
		    }
		    switch (MEVT_EVENTTYPE(me->dwEvent & ~MEVT_F_CALLBACK)) {
		    case MEVT_COMMENT:
			FIXME(mmsys, "NIY: MEVT_COMMENT\n");
			/* do nothing, skip bytes */
			break;
		    case MEVT_LONGMSG:
			FIXME(mmsys, "NIY: MEVT_LONGMSG, aka sending Sysex event\n");
			break;
		    case MEVT_NOP:
			break;
		    case MEVT_SHORTMSG:
			midiOutShortMsg(lpMidiStrm->hDevice, MEVT_EVENTPARM(me->dwEvent));
			break;
		    case MEVT_TEMPO:
			lpMidiStrm->dwTempo = MEVT_EVENTPARM(me->dwEvent);
			break;
		    case MEVT_VERSION:
			break;
		    default:
			FIXME(mmsys, "Unknown MEVT (0x%02x)\n", MEVT_EVENTTYPE(me->dwEvent & ~MEVT_F_CALLBACK));
			break;
		    }
		    lpMidiHdr->dwOffset += sizeof(MIDIEVENT) + ((me->dwEvent & MEVT_F_LONG) ? ((MEVT_EVENTPARM(me->dwEvent) + 3) & ~3): 0);
		    if (me->dwEvent & MEVT_F_CALLBACK) {
			DriverCallback16(lpDesc->dwCallback, lpMidiStrm->wFlags, lpMidiStrm->hDevice, 
					 MM_MOM_POSITIONCB, lpDesc->dwInstance, (LPARAM)lpMidiHdr, 0L);
		    }
		}
	    }
	    lpMidiHdr->dwFlags |= MHDR_DONE;
	    lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
	    
	    DriverCallback16(lpDesc->dwCallback, lpMidiStrm->wFlags, lpMidiStrm->hDevice, 
			     MM_MOM_DONE, lpDesc->dwInstance, lpMidiHdr->reserved, 0L);
	    break;
	default:
	    WARN(mmsys, "Unknown message %d\n", msg.message);
	    break;
	}
    }
    return msg.wParam;
}

/**************************************************************************
 * 				midiStreamClose			[WINMM.90]
 */
MMRESULT WINAPI midiStreamClose(HMIDISTRM hMidiStrm)
{
    WINE_MIDIStream*	lpMidiStrm;

    TRACE(mmsys, "(%08x)!\n", hMidiStrm);

    if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL))
	return MMSYSERR_INVALHANDLE;

    midiStreamStop(hMidiStrm);

    HeapFree(GetProcessHeap(), 0, lpMidiStrm);

    return midiOutClose(hMidiStrm);
}

/**************************************************************************
 * 				midiStreamOpen			[WINMM.91]
 */
MMRESULT WINAPI midiStreamOpen(HMIDISTRM* lphMidiStrm, LPUINT lpuDeviceID, 
			       DWORD cMidi, DWORD dwCallback, 
			       DWORD dwInstance, DWORD fdwOpen) 
{
    WINE_MIDIStream*	lpMidiStrm;
    MMRESULT		ret;
    MIDIOPENSTRMID	mosm;
    MIDIOPENDESC*	lpDesc;
    HMIDIOUT16		hMidiOut16;

    TRACE(mmsys, "(%p, %p, %ld, 0x%08lx, 0x%08lx, 0x%08lx)!\n",
	  lphMidiStrm, lpuDeviceID, cMidi, dwCallback, dwInstance, fdwOpen);

    if (cMidi != 1 || lphMidiStrm == NULL || lpuDeviceID == NULL)
	return MMSYSERR_INVALPARAM;

    if (*lpuDeviceID == (UINT16)MIDI_MAPPER) {
	FIXME(mmsys, "MIDI_MAPPER mode requested ! => forcing devID to 0\n");
	*lpuDeviceID = 0;
    }

    lpMidiStrm = HeapAlloc(GetProcessHeap(), 0, sizeof(WINE_MIDIStream));
    lpMidiStrm->dwTempo = 500000;
    lpMidiStrm->dwTimeDiv = 480; 	/* 480 is 120 quater notes per minute *//* FIXME ??*/
    lpMidiStrm->dwPositionMS = 0;

    mosm.dwStreamID = (DWORD)lpMidiStrm;
    /* FIXME: the correct value is not allocated yet for MAPPER */
    mosm.wDeviceID  = *lpuDeviceID;
    lpDesc = MIDI_OutAlloc(&hMidiOut16, dwCallback, dwInstance, 1, &mosm);
    lpMidiStrm->hDevice = hMidiOut16;
    if (lphMidiStrm)
	*lphMidiStrm = hMidiOut16;

    lpDesc->wDevID = *lpuDeviceID;
    ret = modMessage(lpDesc->wDevID, MODM_OPEN, 
		     lpDesc->dwInstance, (DWORD)lpDesc, fdwOpen);
    lpMidiStrm->bFlag = FALSE;
    lpMidiStrm->wFlags = HIWORD(fdwOpen);

    lpMidiStrm->hThread = CreateThread(NULL, 0, MMSYSTEM_MidiStreamPlayer, 
				       lpMidiStrm, 0, &(lpMidiStrm->dwThreadID));

    if (!lpMidiStrm->hThread) {
	midiStreamClose((HMIDISTRM)hMidiOut16);
	return MMSYSERR_NOMEM;	
    }

    /* wait for thread to have started, and for it's queue to be created */
    while (!((volatile WINE_MIDIStream*)lpMidiStrm)->bFlag) {
	DWORD	count;
       
	/* (Release|Restore)ThunkLock() is needed when this method is called from 16 bit code, 
	 * (meaning the Win16Lock is set), so that it's released and the 32 bit thread running 
	 * MMSYSTEM_MidiStreamPlayer can acquire Win16Lock to create its queue.
	 */
	ReleaseThunkLock(&count);
	Sleep(1);
	RestoreThunkLock(count);
    }

    TRACE(mmsys, "=> (%u/%d) hMidi=0x%04x ret=%d lpMidiStrm=%p\n", *lpuDeviceID, lpDesc->wDevID, *lphMidiStrm, ret, lpMidiStrm);	
    return ret;
}

/**************************************************************************
 * 				midiStreamOut			[WINMM.92]
 */
MMRESULT WINAPI midiStreamOut(HMIDISTRM hMidiStrm, LPMIDIHDR lpMidiHdr, UINT cbMidiHdr) 
{
    WINE_MIDIStream*	lpMidiStrm;
    DWORD		ret = MMSYSERR_NOERROR;

    TRACE(mmsys, "(%08x, %p, %u)!\n", hMidiStrm, lpMidiHdr, cbMidiHdr);

    if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
	ret = MMSYSERR_INVALHANDLE;
    } else {
	if (!Callout.PostThreadMessageA(lpMidiStrm->dwThreadID, WM_USER, 0, (DWORD)lpMidiHdr)) {
	    WARN(mmsys, "bad PostThreadMessageA\n");
	}
    }
    return ret;
}

/**************************************************************************
 * 				midiStreamPause			[WINMM.93]
 */
MMRESULT WINAPI midiStreamPause(HMIDISTRM hMidiStrm) 
{
    WINE_MIDIStream*	lpMidiStrm;
    DWORD		ret = MMSYSERR_NOERROR;

    TRACE(mmsys, "(%08x)!\n", hMidiStrm);

    if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
	ret = MMSYSERR_INVALHANDLE;
    } else {
	if (SuspendThread(lpMidiStrm->hThread) == 0xFFFFFFFF) {
	    WARN(mmsys, "bad Suspend (%ld)\n", GetLastError());
	}
    }
    return ret;
}

/**************************************************************************
 * 				midiStreamPosition		[WINMM.94]
 */
MMRESULT WINAPI midiStreamPosition(HMIDISTRM hMidiStrm, LPMMTIME lpMMT, UINT cbmmt) 
{
    WINE_MIDIStream*	lpMidiStrm;
    DWORD		ret = MMSYSERR_NOERROR;

    TRACE(mmsys, "(%08x, %p, %u)!\n", hMidiStrm, lpMMT, cbmmt);

    if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
	ret = MMSYSERR_INVALHANDLE;
    } else if (lpMMT == NULL || cbmmt != sizeof(MMTIME)) {
	ret = MMSYSERR_INVALPARAM;
    } else {
	switch (lpMMT->wType) {
	case TIME_MS:	
	    lpMMT->u.ms = lpMidiStrm->dwPositionMS;	
	    TRACE(mmsys, "=> %ld ms\n", lpMMT->u.ms);
	    break;
	case TIME_TICKS:
	    lpMMT->u.ticks = lpMidiStrm->dwPulses;	
	    TRACE(mmsys, "=> %ld ticks\n", lpMMT->u.ticks);
	    break;
	default:
	    WARN(mmsys, "Unsupported time type %d\n", lpMMT->wType);
	    lpMMT->wType = TIME_MS;
	    ret = MMSYSERR_INVALPARAM;
	    break;
	}
    }
    return ret;
}

/**************************************************************************
 * 				midiStreamProperty		[WINMM.95]
 */
MMRESULT WINAPI midiStreamProperty(HMIDISTRM hMidiStrm, LPBYTE lpPropData, DWORD dwProperty) 
{
    WINE_MIDIStream*	lpMidiStrm;
    MMRESULT		ret = MMSYSERR_NOERROR;

    TRACE(mmsys, "(%08x, %p, %lx)\n", hMidiStrm, lpPropData, dwProperty);

    if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
	ret = MMSYSERR_INVALHANDLE;
    } else if ((dwProperty & (MIDIPROP_GET|MIDIPROP_SET)) == 0) {
	ret = MMSYSERR_INVALPARAM;
    } else if (dwProperty & MIDIPROP_TEMPO) {
	MIDIPROPTEMPO*	mpt = (MIDIPROPTEMPO*)lpPropData;
	
	if (sizeof(MIDIPROPTEMPO) != mpt->cbStruct) {
	    ret = MMSYSERR_INVALPARAM;
	} else if (dwProperty & MIDIPROP_SET) {
	    lpMidiStrm->dwTempo = mpt->dwTempo;
	    TRACE(mmsys, "Setting tempo to %ld\n", mpt->dwTempo);
	} else if (dwProperty & MIDIPROP_GET) {
	    mpt->dwTempo = lpMidiStrm->dwTempo;
	    TRACE(mmsys, "Getting tempo <= %ld\n", mpt->dwTempo);
	}
    } else if (dwProperty & MIDIPROP_TIMEDIV) {
	MIDIPROPTIMEDIV*	mptd = (MIDIPROPTIMEDIV*)lpPropData;
	
	if (sizeof(MIDIPROPTIMEDIV) != mptd->cbStruct) {
	    ret = MMSYSERR_INVALPARAM;
	} else if (dwProperty & MIDIPROP_SET) {
	    lpMidiStrm->dwTimeDiv = mptd->dwTimeDiv;
	    TRACE(mmsys, "Setting time div to %ld\n", mptd->dwTimeDiv);
	} else if (dwProperty & MIDIPROP_GET) {
	    mptd->dwTimeDiv = lpMidiStrm->dwTimeDiv;
	    TRACE(mmsys, "Getting time div <= %ld\n", mptd->dwTimeDiv);
	}    
    } else {
	ret = MMSYSERR_INVALPARAM;
    }

    return ret;
}

/**************************************************************************
 * 				midiStreamRestart		[WINMM.96]
 */
MMRESULT WINAPI midiStreamRestart(HMIDISTRM hMidiStrm) 
{
    WINE_MIDIStream*	lpMidiStrm;
    MMRESULT		ret = MMSYSERR_NOERROR;

    TRACE(mmsys, "(%08x)!\n", hMidiStrm);

    if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
	ret = MMSYSERR_INVALHANDLE;
    } else {
	if (ResumeThread(lpMidiStrm->hThread) == 0xFFFFFFFF) {
	    WARN(mmsys, "bad Resume (%ld)\n", GetLastError());
	}
    }
    return ret;
}

/**************************************************************************
 * 				midiStreamStop			[WINMM.97]
 */
MMRESULT WINAPI midiStreamStop(HMIDISTRM hMidiStrm) 
{
    WINE_MIDIStream*	lpMidiStrm;
    MMRESULT		ret = MMSYSERR_NOERROR;

    FIXME(mmsys, "(%08x) stub!\n", hMidiStrm);

    if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
	ret = MMSYSERR_INVALHANDLE;
    } else {
	/* FIXME: should turn off all notes, and return all buffers to
	 * calling application
	 */
    }
    return ret;
}

/**************************************************************************
 * 				midiStreamClose			[MMSYSTEM.252]
 */
MMRESULT16 WINAPI midiStreamClose16(HMIDISTRM16 hMidiStrm)
{
    return midiStreamClose(hMidiStrm);
}

/**************************************************************************
 * 				midiStreamOpen			[MMSYSTEM.251]
 */
MMRESULT16 WINAPI midiStreamOpen16(HMIDISTRM16* phMidiStrm, LPUINT16 devid, 
				   DWORD cMidi, DWORD dwCallback, 
				   DWORD dwInstance, DWORD fdwOpen) 
{
    HMIDISTRM	hMidiStrm32;
    MMRESULT 	ret;
    UINT	devid32;

    if (!phMidiStrm || !devid)
	return MMSYSERR_INVALPARAM;
    devid32 = *devid;
    ret = midiStreamOpen(&hMidiStrm32, &devid32, cMidi, dwCallback, dwInstance, fdwOpen);
    *phMidiStrm = hMidiStrm32;
    *devid = devid32;
    return ret;
}

/**************************************************************************
 * 				midiStreamOut			[MMSYSTEM.254]
 */
MMRESULT16 WINAPI midiStreamOut16(HMIDISTRM16 hMidiStrm, LPMIDIHDR16 lpMidiHdr, UINT16 cbMidiHdr) 
{
    return midiStreamOut(hMidiStrm, (LPMIDIHDR)lpMidiHdr, cbMidiHdr);
}

/**************************************************************************
 * 				midiStreamPause			[MMSYSTEM.255]
 */
MMRESULT16 WINAPI midiStreamPause16(HMIDISTRM16 hMidiStrm) 
{
    return midiStreamPause(hMidiStrm);
}

/**************************************************************************
 * 				midiStreamPosition		[MMSYSTEM.253]
 */
MMRESULT16 WINAPI midiStreamPosition16(HMIDISTRM16 hMidiStrm, LPMMTIME16 lpmmt16, UINT16 cbmmt) 
{
    MMTIME	mmt32;
    MMRESULT	ret;

    if (!lpmmt16)
	return MMSYSERR_INVALPARAM;
    MMSYSTEM_MMTIME16to32(&mmt32, lpmmt16);
    ret = midiStreamPosition(hMidiStrm, &mmt32, sizeof(MMTIME));
    MMSYSTEM_MMTIME32to16(lpmmt16, &mmt32);
    return ret;
}

/**************************************************************************
 * 				midiStreamProperty		[MMSYSTEM.250]
 */
MMRESULT16 WINAPI midiStreamProperty16(HMIDISTRM16 hMidiStrm, LPBYTE lpPropData, DWORD dwProperty) 
{
    return midiStreamProperty(hMidiStrm, lpPropData, dwProperty);
}

/**************************************************************************
 * 				midiStreamRestart		[MMSYSTEM.256]
 */
MMRESULT16 WINAPI midiStreamRestart16(HMIDISTRM16 hMidiStrm) 
{
    return midiStreamRestart(hMidiStrm);
}

/**************************************************************************
 * 				midiStreamStop			[MMSYSTEM.257]
 */
MMRESULT16 WINAPI midiStreamStop16(HMIDISTRM16 hMidiStrm) 
{
    return midiStreamStop(hMidiStrm);
}

/**************************************************************************
 * 				waveOutGetNumDevs		[MMSYSTEM.401]
 */
UINT WINAPI waveOutGetNumDevs() 
{
    return waveOutGetNumDevs16();
}

/**************************************************************************
 * 				waveOutGetNumDevs		[WINMM.167]
 */
UINT16 WINAPI waveOutGetNumDevs16()
{
    UINT16	count = 0;
    TRACE(mmsys, "waveOutGetNumDevs\n");
    /* FIXME: I'm not sure MCI_FirstDevID() is correct */
    count += wodMessage(MCI_FirstDevID(), WODM_GETNUMDEVS, 0L, 0L, 0L);
    TRACE(mmsys, "waveOutGetNumDevs return %u \n", count);
    return count;
}

/**************************************************************************
 * 				waveOutGetDevCaps		[MMSYSTEM.402]
 */
UINT16 WINAPI waveOutGetDevCaps16(UINT16 uDeviceID, LPWAVEOUTCAPS16 lpCaps,
				  UINT16 uSize)
{
    if (uDeviceID > waveOutGetNumDevs16() - 1) return MMSYSERR_BADDEVICEID;
    if (uDeviceID == (UINT16)WAVE_MAPPER) return MMSYSERR_BADDEVICEID; /* FIXME: do we have a wave mapper ? */
    TRACE(mmsys, "waveOutGetDevCaps\n");
    return wodMessage(uDeviceID, WODM_GETDEVCAPS, 0L, (DWORD)lpCaps, uSize);
}

/**************************************************************************
 * 				waveOutGetDevCapsA		[WINMM.162]
 */
UINT WINAPI waveOutGetDevCapsA(UINT uDeviceID, LPWAVEOUTCAPSA lpCaps,
			       UINT uSize)
{
    WAVEOUTCAPS16	woc16;
    UINT16 ret = waveOutGetDevCaps16(uDeviceID, &woc16, sizeof(woc16));
    
    lpCaps->wMid = woc16.wMid;
    lpCaps->wPid = woc16.wPid;
    lpCaps->vDriverVersion = woc16.vDriverVersion;
    strcpy(lpCaps->szPname, woc16.szPname);
    lpCaps->dwFormats = woc16.dwFormats;
    lpCaps->wChannels = woc16.wChannels;
    lpCaps->dwSupport = woc16.dwSupport;
    return ret;
}

/**************************************************************************
 * 				waveOutGetDevCapsW		[WINMM.163]
 */
UINT WINAPI waveOutGetDevCapsW(UINT uDeviceID, LPWAVEOUTCAPSW lpCaps,
				   UINT uSize)
{
    WAVEOUTCAPS16	woc16;
    UINT ret = waveOutGetDevCaps16(uDeviceID, &woc16, sizeof(woc16));
    
    lpCaps->wMid = woc16.wMid;
    lpCaps->wPid = woc16.wPid;
    lpCaps->vDriverVersion = woc16.vDriverVersion;
    lstrcpyAtoW(lpCaps->szPname, woc16.szPname);
    lpCaps->dwFormats = woc16.dwFormats;
    lpCaps->wChannels = woc16.wChannels;
    lpCaps->dwSupport = woc16.dwSupport;
    return ret;
}

/**************************************************************************
 * 				waveOutGetErrorText 	[MMSYSTEM.403]
 */
UINT16 WINAPI waveOutGetErrorText16(UINT16 uError, LPSTR lpText, UINT16 uSize)
{
    TRACE(mmsys, "waveOutGetErrorText\n");
    return waveGetErrorText(uError, lpText, uSize);
}

/**************************************************************************
 * 				waveOutGetErrorTextA 	[WINMM.164]
 */
UINT WINAPI waveOutGetErrorTextA(UINT uError, LPSTR lpText, UINT uSize)
{
    return waveOutGetErrorText16(uError, lpText, uSize);
}

/**************************************************************************
 * 				waveOutGetErrorTextW 	[WINMM.165]
 */
UINT WINAPI waveOutGetErrorTextW(UINT uError, LPWSTR lpText, UINT uSize)
{
    LPSTR	xstr = HeapAlloc(GetProcessHeap(), 0, uSize);
    UINT	ret = waveOutGetErrorTextA(uError, xstr, uSize);
    
    lstrcpyAtoW(lpText, xstr);
    HeapFree(GetProcessHeap(), 0, xstr);
    return ret;
}

/**************************************************************************
 * 				waveGetErrorText 		[internal]
 */
static UINT16 waveGetErrorText(UINT16 uError, LPSTR lpText, UINT16 uSize)
{
    LPSTR	msgptr;
    TRACE(mmsys, "(%04X, %p, %d);\n", 
	  uError, lpText, uSize);
    if ((lpText == NULL) || (uSize < 1)) return(FALSE);
    lpText[0] = '\0';
    switch (uError) {
    case MMSYSERR_NOERROR:
	msgptr = "The specified command was carried out.";
	break;
    case MMSYSERR_ERROR:
	msgptr = "Undefined external error.";
	break;
    case MMSYSERR_BADDEVICEID:
	msgptr = "A device ID has been used that is out of range for your system.";
	break;
    case MMSYSERR_NOTENABLED:
	msgptr = "The driver was not enabled.";
	break;
    case MMSYSERR_ALLOCATED:
	msgptr = "The specified device is already in use. Wait until it is free, and then try again.";
	break;
    case MMSYSERR_INVALHANDLE:
	msgptr = "The specified device handle is invalid.";
	break;
    case MMSYSERR_NODRIVER:
	msgptr = "There is no driver installed on your system !\n";
	break;
    case MMSYSERR_NOMEM:
	msgptr = "Not enough memory available for this task. Quit one or more applications to increase available memory, and then try again.";
	break;
    case MMSYSERR_NOTSUPPORTED:
	msgptr = "This function is not supported. Use the Capabilities function to determine which functions and messages the driver supports.";
	break;
    case MMSYSERR_BADERRNUM:
	msgptr = "An error number was specified that is not defined in the system.";
	break;
    case MMSYSERR_INVALFLAG:
	msgptr = "An invalid flag was passed to a system function.";
	break;
    case MMSYSERR_INVALPARAM:
	msgptr = "An invalid parameter was passed to a system function.";
	break;
    case WAVERR_BADFORMAT:
	msgptr = "The specified format is not supported or cannot be translated. Use the Capabilities function to determine the supported formats";
	break;
    case WAVERR_STILLPLAYING:
	msgptr = "Cannot perform this operation while media data is still playing. Reset the device, or wait until the data is finished playing.";
	break;
    case WAVERR_UNPREPARED:
	msgptr = "The wave header was not prepared. Use the Prepare function to prepare the header, and then try again.";
	break;
    case WAVERR_SYNC:
	msgptr = "Cannot open the device without using the WAVE_ALLOWSYNC flag. Use the flag, and then try again.";
	break;
    default:
	msgptr = "Unknown MMSYSTEM Error !\n";
	break;
    }
    lstrcpynA(lpText, msgptr, uSize);
    return TRUE;
}

/**************************************************************************
 *			waveOutOpen			[WINMM.173]
 * All the args/structs have the same layout as the win16 equivalents
 */
UINT WINAPI waveOutOpen(HWAVEOUT* lphWaveOut, UINT uDeviceID,
			const LPWAVEFORMATEX lpFormat, DWORD dwCallback,
			DWORD dwInstance, DWORD dwFlags)
{
    HWAVEOUT16	hwo16;
    UINT	ret = waveOutOpen16(&hwo16, uDeviceID, lpFormat, dwCallback, dwInstance,
				    CALLBACK32CONV(dwFlags));

    if (lphWaveOut) *lphWaveOut=hwo16;
    return ret;
}

/**************************************************************************
 *			waveOutOpen			[MMSYSTEM.404]
 */
UINT16 WINAPI waveOutOpen16(HWAVEOUT16* lphWaveOut, UINT16 uDeviceID,
                            const LPWAVEFORMATEX lpFormat, DWORD dwCallback,
                            DWORD dwInstance, DWORD dwFlags)
{
    HWAVEOUT16	hWaveOut;
    LPWAVEOPENDESC	lpDesc;
    DWORD		dwRet = 0;
    BOOL		bMapperFlg = FALSE;
    
    TRACE(mmsys, "(%p, %d, %p, %08lX, %08lX, %08lX);\n", 
	  lphWaveOut, uDeviceID, lpFormat, dwCallback, dwInstance, dwFlags);
    if (dwFlags & WAVE_FORMAT_QUERY)
	TRACE(mmsys, "WAVE_FORMAT_QUERY requested !\n");
    if (uDeviceID == (UINT16)WAVE_MAPPER) {
	TRACE(mmsys, "WAVE_MAPPER mode requested !\n");
	bMapperFlg = TRUE;
	uDeviceID = 0;
    }
    if (lpFormat == NULL) return WAVERR_BADFORMAT;
    
    hWaveOut = USER_HEAP_ALLOC(sizeof(WAVEOPENDESC));
    if (lphWaveOut != NULL) *lphWaveOut = hWaveOut;
    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveOut);
    if (lpDesc == NULL) return MMSYSERR_NOMEM;
    lpDesc->hWave = hWaveOut;
    lpDesc->lpFormat = (LPWAVEFORMAT)lpFormat;  /* should the struct be copied iso pointer? */
    lpDesc->dwCallBack = dwCallback;
    lpDesc->dwInstance = dwInstance;
    if (uDeviceID >= MAXWAVEDRIVERS)
	uDeviceID = 0;
    while (uDeviceID < MAXWAVEDRIVERS) {
	dwRet = wodMessage(uDeviceID, WODM_OPEN, 
			   lpDesc->dwInstance, (DWORD)lpDesc, dwFlags);
	if (dwRet == MMSYSERR_NOERROR) break;
	if (!bMapperFlg) break;
	uDeviceID++;
	TRACE(mmsys, "WAVE_MAPPER mode ! try next driver...\n");
    }
    lpDesc->uDeviceID = uDeviceID;  /* save physical Device ID */
    if (dwFlags & WAVE_FORMAT_QUERY) {
	TRACE(mmsys, "End of WAVE_FORMAT_QUERY !\n");
	dwRet = waveOutClose(hWaveOut);
	if (lphWaveOut) *lphWaveOut = 0;
    }
    else if (dwRet != MMSYSERR_NOERROR)
    {
	USER_HEAP_FREE(hWaveOut);
	if (lphWaveOut) *lphWaveOut = 0;
    }
    return dwRet;
}

/**************************************************************************
 * 				waveOutClose		[WINMM.161]
 */
UINT WINAPI waveOutClose(HWAVEOUT hWaveOut)
{
    return waveOutClose16(hWaveOut);
}

/**************************************************************************
 * 				waveOutClose		[MMSYSTEM.405]
 */
UINT16 WINAPI waveOutClose16(HWAVEOUT16 hWaveOut)
{
    LPWAVEOPENDESC	lpDesc;
    DWORD		dwRet;
    
    TRACE(mmsys, "(%04X)\n", hWaveOut);

    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveOut);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    dwRet = wodMessage(lpDesc->uDeviceID, WODM_CLOSE, lpDesc->dwInstance, 0L, 0L);
    USER_HEAP_FREE(hWaveOut);
    return dwRet;
}

/**************************************************************************
 * 				waveOutPrepareHeader	[WINMM.175]
 */
UINT WINAPI waveOutPrepareHeader(HWAVEOUT hWaveOut,
				 WAVEHDR* lpWaveOutHdr, UINT uSize)
{
    LPWAVEOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X, %p, %u);\n", hWaveOut, lpWaveOutHdr, uSize);

    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveOut);
    if (lpDesc == NULL) 
	return MMSYSERR_INVALHANDLE;
    lpWaveOutHdr->reserved = (DWORD)lpWaveOutHdr;
    return wodMessage(lpDesc->uDeviceID, WODM_PREPARE, lpDesc->dwInstance, 
		      (DWORD)lpWaveOutHdr, uSize);
}

/**************************************************************************
 * 				waveOutPrepareHeader	[MMSYSTEM.406]
 */
UINT16 WINAPI waveOutPrepareHeader16(HWAVEOUT16 hWaveOut,
                                     WAVEHDR* /*SEGPTR*/ _lpWaveOutHdr, UINT16 uSize)
{
    LPWAVEOPENDESC	lpDesc;
    LPWAVEHDR		lpWaveOutHdr = (LPWAVEHDR)PTR_SEG_TO_LIN(_lpWaveOutHdr);
    UINT16		ret;
    
    TRACE(mmsys, "(%04X, %p, %u);\n", hWaveOut, lpWaveOutHdr, uSize);

    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveOut);
    if (lpDesc == NULL) 
	return MMSYSERR_INVALHANDLE;
    lpWaveOutHdr->reserved = (DWORD)_lpWaveOutHdr;
    ret = wodMessage(lpDesc->uDeviceID, WODM_PREPARE, lpDesc->dwInstance, 
		     (DWORD)lpWaveOutHdr, uSize);
    return ret;
}

/**************************************************************************
 * 				waveOutUnprepareHeader	[WINMM.181]
 */
UINT WINAPI waveOutUnprepareHeader(HWAVEOUT hWaveOut,
				   WAVEHDR* lpWaveOutHdr, UINT uSize)
{
    LPWAVEOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X, %p, %u);\n", hWaveOut, lpWaveOutHdr, uSize);

    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveOut);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    lpWaveOutHdr->reserved = (DWORD)lpWaveOutHdr;
    return wodMessage(lpDesc->uDeviceID, WODM_UNPREPARE, lpDesc->dwInstance, 
		      (DWORD)lpWaveOutHdr, uSize);
}

/**************************************************************************
 * 				waveOutUnprepareHeader	[MMSYSTEM.407]
 */
UINT16 WINAPI waveOutUnprepareHeader16(HWAVEOUT16 hWaveOut,
				       WAVEHDR* lpWaveOutHdr, UINT16 uSize)
{
    LPWAVEOPENDESC	lpDesc;
    UINT16		ret;
    
    TRACE(mmsys, "(%04X, %p, %u);\n", hWaveOut, lpWaveOutHdr, uSize);

    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveOut);
    if (lpDesc == NULL) 
	return MMSYSERR_INVALHANDLE;
    ret = wodMessage(lpDesc->uDeviceID, WODM_UNPREPARE, lpDesc->dwInstance, 
		     (DWORD)lpWaveOutHdr, uSize);
    return ret;
}

/**************************************************************************
 * 				waveOutWrite		[MMSYSTEM.408]
 */
UINT WINAPI waveOutWrite(HWAVEOUT hWaveOut, WAVEHDR* lpWaveOutHdr,
			 UINT uSize)
{
    LPWAVEOPENDESC	lpDesc;

    TRACE(mmsys, "(%04X, %p, %u);\n", hWaveOut, lpWaveOutHdr, uSize);

    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveOut);
    if (lpDesc == NULL) 
	return MMSYSERR_INVALHANDLE;
    return wodMessage(lpDesc->uDeviceID, WODM_WRITE, lpDesc->dwInstance, 
		      (DWORD)lpWaveOutHdr, uSize);
}

/**************************************************************************
 * 				waveOutWrite		[MMSYSTEM.408]
 */
UINT16 WINAPI waveOutWrite16(HWAVEOUT16 hWaveOut, WAVEHDR* lpWaveOutHdr,
			     UINT16 uSize)
{
    LPWAVEOPENDESC	lpDesc;
    UINT16		ret;
    
    TRACE(mmsys, "(%04X, %p, %u);\n", hWaveOut, lpWaveOutHdr, uSize);

    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveOut);
    if (lpDesc == NULL) 
	return MMSYSERR_INVALHANDLE;
    ret = wodMessage(lpDesc->uDeviceID, WODM_WRITE, lpDesc->dwInstance, (DWORD)lpWaveOutHdr, uSize);
    return ret;
}

/**************************************************************************
 * 				waveOutPause		[WINMM.174]
 */
UINT WINAPI waveOutPause(HWAVEOUT hWaveOut)
{
    return waveOutPause16(hWaveOut);
}

/**************************************************************************
 * 				waveOutPause		[MMSYSTEM.409]
 */
UINT16 WINAPI waveOutPause16(HWAVEOUT16 hWaveOut)
{
    LPWAVEOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X)\n", hWaveOut);

    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveOut);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    return wodMessage(lpDesc->uDeviceID, WODM_PAUSE, lpDesc->dwInstance, 0L, 0L);
}

/**************************************************************************
 * 				waveOutRestart		[WINMM.177]
 */
UINT WINAPI waveOutRestart(HWAVEOUT hWaveOut)
{
    return waveOutRestart16(hWaveOut);
}

/**************************************************************************
 * 				waveOutRestart		[MMSYSTEM.410]
 */
UINT16 WINAPI waveOutRestart16(HWAVEOUT16 hWaveOut)
{
    LPWAVEOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X)\n", hWaveOut);

    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveOut);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    return wodMessage(lpDesc->uDeviceID, WODM_RESTART, lpDesc->dwInstance, 0L, 0L);
}

/**************************************************************************
 * 				waveOutReset		[WINMM.176]
 */
UINT WINAPI waveOutReset(HWAVEOUT hWaveOut)
{
    return waveOutReset16(hWaveOut);
}

/**************************************************************************
 * 				waveOutReset		[MMSYSTEM.411]
 */
UINT16 WINAPI waveOutReset16(HWAVEOUT16 hWaveOut)
{
    LPWAVEOPENDESC	lpDesc;

    TRACE(mmsys, "(%04X)\n", hWaveOut);

    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveOut);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    return wodMessage(lpDesc->uDeviceID, WODM_RESET, lpDesc->dwInstance, 0L, 0L);
}

/**************************************************************************
 * 				waveOutGetPosition	[WINMM.170]
 */
UINT WINAPI waveOutGetPosition(HWAVEOUT hWaveOut, LPMMTIME lpTime,
			       UINT uSize)
{
    MMTIME16	mmt16;
    UINT ret;
    
    mmt16.wType = lpTime->wType;
    ret = waveOutGetPosition16(hWaveOut, &mmt16, sizeof(mmt16));
    MMSYSTEM_MMTIME16to32(lpTime, &mmt16);
    return ret;
}

/**************************************************************************
 * 				waveOutGetPosition	[MMSYSTEM.412]
 */
UINT16 WINAPI waveOutGetPosition16(HWAVEOUT16 hWaveOut, LPMMTIME16 lpTime,
                                   UINT16 uSize)
{
    LPWAVEOPENDESC	lpDesc;
    TRACE(mmsys, "(%04X, %p, %u);\n", hWaveOut, lpTime, uSize);
    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveOut);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    return wodMessage(lpDesc->uDeviceID, WODM_GETPOS, lpDesc->dwInstance, 
		       (DWORD)lpTime, (DWORD)uSize);
}

#define WAVEOUT_SHORTCUT_1(xx, XX, atype) 				\
	UINT WINAPI waveOut##xx(HWAVEOUT hWaveOut, atype x)		\
{									\
	return waveOut##xx##16(hWaveOut, x);				\
}									\
UINT16 WINAPI waveOut##xx##16(HWAVEOUT16 hWaveOut, atype x)		\
{									\
	LPWAVEOPENDESC	lpDesc;						\
	TRACE(mmsys, "(%04X, %08lx);\n", hWaveOut, (DWORD)x);           \
	lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveOut);		\
	if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;		\
	return wodMessage(lpDesc->uDeviceID, WODM_##XX, 		\
			  lpDesc->dwInstance, (DWORD)x, 0L);		\
}

WAVEOUT_SHORTCUT_1(GetPitch, GETPITCH, DWORD*)
WAVEOUT_SHORTCUT_1(SetPitch, SETPITCH, DWORD)
WAVEOUT_SHORTCUT_1(GetPlaybackRate, GETPLAYBACKRATE, DWORD*)
WAVEOUT_SHORTCUT_1(SetPlaybackRate, SETPLAYBACKRATE, DWORD)
    
#define WAVEOUT_SHORTCUT_2(xx, XX, atype) 				\
	UINT WINAPI waveOut##xx(UINT devid, atype x)			\
{									\
	return waveOut##xx##16(devid, x);				\
}									\
UINT16 WINAPI waveOut##xx##16(UINT16 devid, atype x)			\
{									\
	TRACE(mmsys, "(%04X, %08lx);\n", devid, (DWORD)x);	        \
	return wodMessage(devid, WODM_##XX, 0L,	(DWORD)x, 0L);		\
}
    
WAVEOUT_SHORTCUT_2(GetVolume, GETVOLUME, DWORD*)
WAVEOUT_SHORTCUT_2(SetVolume, SETVOLUME, DWORD)
    
/**************************************************************************
 * 				waveOutBreakLoop 	[MMSYSTEM.419]
 */
UINT WINAPI waveOutBreakLoop(HWAVEOUT hWaveOut)
{
    return waveOutBreakLoop16(hWaveOut);
}

/**************************************************************************
 * 				waveOutBreakLoop 	[MMSYSTEM.419]
 */
UINT16 WINAPI waveOutBreakLoop16(HWAVEOUT16 hWaveOut)
{
    TRACE(mmsys, "(%04X)\n", hWaveOut);
    return MMSYSERR_INVALHANDLE;
}

/**************************************************************************
 * 				waveOutGetID	 	[MMSYSTEM.420]
 */
UINT WINAPI waveOutGetID(HWAVEOUT hWaveOut, UINT* lpuDeviceID)
{
    LPWAVEOPENDESC	lpDesc;

    TRACE(mmsys, "(%04X, %p);\n", hWaveOut, lpuDeviceID);

    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveOut);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    if (lpuDeviceID == NULL) return MMSYSERR_INVALHANDLE;
    *lpuDeviceID = lpDesc->uDeviceID;
    return 0;
}

/**************************************************************************
 * 				waveOutGetID	 	[MMSYSTEM.420]
 */
UINT16 WINAPI waveOutGetID16(HWAVEOUT16 hWaveOut, UINT16* lpuDeviceID)
{
    LPWAVEOPENDESC	lpDesc;

    TRACE(mmsys, "(%04X, %p);\n", hWaveOut, lpuDeviceID);

    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveOut);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    if (lpuDeviceID == NULL) return MMSYSERR_INVALHANDLE;
    *lpuDeviceID = lpDesc->uDeviceID;
    return 0;
}

/**************************************************************************
 * 				waveOutMessage 		[MMSYSTEM.421]
 */
DWORD WINAPI waveOutMessage(HWAVEOUT hWaveOut, UINT uMessage, 
                              DWORD dwParam1, DWORD dwParam2)
{
    LPWAVEOPENDESC	lpDesc;
    
    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveOut);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    switch (uMessage) {
    case WODM_GETNUMDEVS:
    case WODM_GETPOS:
    case WODM_GETVOLUME:
    case WODM_GETPITCH:
    case WODM_GETPLAYBACKRATE:
    case WODM_SETVOLUME:
    case WODM_SETPITCH:
    case WODM_SETPLAYBACKRATE:
    case WODM_RESET:
    case WODM_PAUSE:
    case WODM_PREPARE:
    case WODM_UNPREPARE:
    case WODM_STOP:
    case WODM_CLOSE:
	/* no argument conversion needed */
	break;
    case WODM_WRITE:
	return waveOutWrite(hWaveOut, (LPWAVEHDR)dwParam1, dwParam2);
    case WODM_GETDEVCAPS:
	/* FIXME: UNICODE/ANSI? */
	return waveOutGetDevCapsA(hWaveOut, (LPWAVEOUTCAPSA)dwParam1, dwParam2);
    case WODM_OPEN:
	FIXME(mmsys,"can't handle WODM_OPEN, please report.\n");
	break;
    default:
	ERR(mmsys,"(0x%04x, 0x%04x, %08lx, %08lx): unhandled message\n",
	    hWaveOut, uMessage, dwParam1, dwParam2);
	break;
    }
    return wodMessage(lpDesc->uDeviceID, uMessage, lpDesc->dwInstance, dwParam1, dwParam2);
}

/**************************************************************************
 * 				waveOutMessage 		[MMSYSTEM.421]
 */
DWORD WINAPI waveOutMessage16(HWAVEOUT16 hWaveOut, UINT16 uMessage, 
                              DWORD dwParam1, DWORD dwParam2)
{
    LPWAVEOPENDESC	lpDesc;
    
    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveOut);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    switch (uMessage) {
    case WODM_GETNUMDEVS:
    case WODM_SETVOLUME:
    case WODM_SETPITCH:
    case WODM_SETPLAYBACKRATE:
    case WODM_RESET:
    case WODM_PAUSE:
    case WODM_STOP:
    case WODM_CLOSE:
	/* no argument conversion needed */
	break;
    case WODM_GETPOS:
	return waveOutGetPosition16(hWaveOut, (LPMMTIME16)PTR_SEG_TO_LIN(dwParam1), dwParam2);
    case WODM_GETVOLUME:
	return waveOutGetVolume16(hWaveOut, (LPDWORD)PTR_SEG_TO_LIN(dwParam1));
    case WODM_GETPITCH:
	return waveOutGetPitch16(hWaveOut, (LPDWORD)PTR_SEG_TO_LIN(dwParam1));
    case WODM_GETPLAYBACKRATE:
	return waveOutGetPlaybackRate16(hWaveOut, (LPDWORD)PTR_SEG_TO_LIN(dwParam1));
    case WODM_GETDEVCAPS:
	return waveOutGetDevCaps16(hWaveOut, (LPWAVEOUTCAPS16)PTR_SEG_TO_LIN(dwParam1), dwParam2);
    case WODM_PREPARE:
	return waveOutPrepareHeader16(hWaveOut, (LPWAVEHDR)PTR_SEG_TO_LIN(dwParam1), dwParam2);
    case WODM_UNPREPARE:
	return waveOutUnprepareHeader16(hWaveOut, (LPWAVEHDR)PTR_SEG_TO_LIN(dwParam1), dwParam2);
    case WODM_WRITE:
	return waveOutWrite16(hWaveOut, (LPWAVEHDR)PTR_SEG_TO_LIN(dwParam1), dwParam2);
    case WODM_OPEN:
	FIXME(mmsys,"can't handle WODM_OPEN, please report.\n");
	break;
    default:
	ERR(mmsys,"(0x%04x, 0x%04x, %08lx, %08lx): unhandled message\n",
	    hWaveOut, uMessage, dwParam1, dwParam2);
    }
    return wodMessage(lpDesc->uDeviceID, uMessage, lpDesc->dwInstance, dwParam1, dwParam2);
}

/**************************************************************************
 * 				waveInGetNumDevs 		[WINMM.151]
 */
UINT WINAPI waveInGetNumDevs()
{
    return waveInGetNumDevs16();
}

/**************************************************************************
 * 				waveInGetNumDevs 		[MMSYSTEM.501]
 */
UINT16 WINAPI waveInGetNumDevs16()
{
    UINT16	count = 0;

    TRACE(mmsys, "waveInGetNumDevs\n");
    count += widMessage(0, WIDM_GETNUMDEVS, 0L, 0L, 0L);
    TRACE(mmsys, "waveInGetNumDevs return %u \n", count);
    return count;
}

/**************************************************************************
 * 				waveInGetDevCapsA 		[WINMM.147]
 */
UINT WINAPI waveInGetDevCapsW(UINT uDeviceID, LPWAVEINCAPSW lpCaps, UINT uSize)
{
    WAVEINCAPS16	wic16;
    UINT		ret = waveInGetDevCaps16(uDeviceID, &wic16, uSize);
    
    lpCaps->wMid = wic16.wMid;
    lpCaps->wPid = wic16.wPid;
    lpCaps->vDriverVersion = wic16.vDriverVersion;
    lstrcpyAtoW(lpCaps->szPname, wic16.szPname);
    lpCaps->dwFormats = wic16.dwFormats;
    lpCaps->wChannels = wic16.wChannels;
    
    return ret;
}

/**************************************************************************
 * 				waveInGetDevCapsA 		[WINMM.146]
 */
UINT WINAPI waveInGetDevCapsA(UINT uDeviceID, LPWAVEINCAPSA lpCaps, UINT uSize)
{
    WAVEINCAPS16	wic16;
    UINT		ret = waveInGetDevCaps16(uDeviceID, &wic16, uSize);
    
    lpCaps->wMid = wic16.wMid;
    lpCaps->wPid = wic16.wPid;
    lpCaps->vDriverVersion = wic16.vDriverVersion;
    strcpy(lpCaps->szPname, wic16.szPname);
    lpCaps->dwFormats = wic16.dwFormats;
    lpCaps->wChannels = wic16.wChannels;
    return ret;
}

/**************************************************************************
 * 				waveInGetDevCaps 		[MMSYSTEM.502]
 */
UINT16 WINAPI waveInGetDevCaps16(UINT16 uDeviceID, LPWAVEINCAPS16 lpCaps, UINT16 uSize)
{
    TRACE(mmsys, "waveInGetDevCaps\n");

    return widMessage(uDeviceID, WIDM_GETDEVCAPS, 0L, (DWORD)lpCaps, uSize);
}

/**************************************************************************
 * 				waveInGetErrorTextA 	[WINMM.148]
 */
UINT WINAPI waveInGetErrorTextA(UINT uError, LPSTR lpText, UINT uSize)
{
    TRACE(mmsys, "waveInGetErrorText\n");
    return waveGetErrorText(uError, lpText, uSize);
}

/**************************************************************************
 * 				waveInGetErrorTextW 	[WINMM.149]
 */
UINT WINAPI waveInGetErrorTextW(UINT uError, LPWSTR lpText, UINT uSize)
{
    LPSTR txt = HeapAlloc(GetProcessHeap(), 0, uSize);
    UINT	ret = waveGetErrorText(uError, txt, uSize);
    
    lstrcpyAtoW(lpText, txt);
    HeapFree(GetProcessHeap(), 0, txt);
    return ret;
}

/**************************************************************************
 * 				waveInGetErrorText 	[MMSYSTEM.503]
 */
UINT16 WINAPI waveInGetErrorText16(UINT16 uError, LPSTR lpText, UINT16 uSize)
{
    TRACE(mmsys, "waveInGetErrorText\n");
    return waveGetErrorText(uError, lpText, uSize);
}

/**************************************************************************
 * 				waveInOpen			[WINMM.154]
 */
UINT WINAPI waveInOpen(HWAVEIN* lphWaveIn, UINT uDeviceID,
		       const LPWAVEFORMAT lpFormat, DWORD dwCallback,
		       DWORD dwInstance, DWORD dwFlags)
{
    HWAVEIN16	hwin16;
    UINT	ret = waveInOpen16(&hwin16, uDeviceID, lpFormat, dwCallback, dwInstance,
				 CALLBACK32CONV(dwFlags));
    if (lphWaveIn) *lphWaveIn = hwin16;
    return ret;
}

/**************************************************************************
 * 				waveInOpen			[MMSYSTEM.504]
 */
UINT16 WINAPI waveInOpen16(HWAVEIN16* lphWaveIn, UINT16 uDeviceID,
                           const LPWAVEFORMAT lpFormat, DWORD dwCallback,
                           DWORD dwInstance, DWORD dwFlags)
{
    HWAVEIN16 hWaveIn;
    LPWAVEOPENDESC	lpDesc;
    DWORD	dwRet = 0;
    BOOL	bMapperFlg = FALSE;

    TRACE(mmsys, "(%p, %d, %p, %08lX, %08lX, %08lX);\n", 
	  lphWaveIn, uDeviceID, lpFormat, dwCallback, dwInstance, dwFlags);
    if (dwFlags & WAVE_FORMAT_QUERY)
	TRACE(mmsys, "WAVE_FORMAT_QUERY requested !\n");
    if (uDeviceID == (UINT16)WAVE_MAPPER) {
	TRACE(mmsys, "WAVE_MAPPER mode requested !\n");
	bMapperFlg = TRUE;
	uDeviceID = 0;
    }
    if (lpFormat == NULL) return WAVERR_BADFORMAT;
    hWaveIn = USER_HEAP_ALLOC(sizeof(WAVEOPENDESC));
    if (lphWaveIn != NULL) *lphWaveIn = hWaveIn;
    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveIn);
    if (lpDesc == NULL) return MMSYSERR_NOMEM;
    lpDesc->hWave = hWaveIn;
    lpDesc->lpFormat = lpFormat;
    lpDesc->dwCallBack = dwCallback;
    lpDesc->dwInstance = dwInstance;
    while (uDeviceID < MAXWAVEDRIVERS) {
	dwRet = widMessage(uDeviceID, WIDM_OPEN, 
			   lpDesc->dwInstance, (DWORD)lpDesc, 0L);
	if (dwRet == MMSYSERR_NOERROR) break;
	if (!bMapperFlg) break;
	uDeviceID++;
	TRACE(mmsys, "WAVE_MAPPER mode ! try next driver...\n");
    }
    lpDesc->uDeviceID = uDeviceID;
    if (dwFlags & WAVE_FORMAT_QUERY) {
	TRACE(mmsys, "End of WAVE_FORMAT_QUERY !\n");
	dwRet = waveInClose16(hWaveIn);
    }
    else if (dwRet != MMSYSERR_NOERROR) {
	USER_HEAP_FREE(hWaveIn);
	if (lphWaveIn) *lphWaveIn = 0;
    }

    return dwRet;
}

/**************************************************************************
 * 				waveInClose			[WINMM.145]
 */
UINT WINAPI waveInClose(HWAVEIN hWaveIn)
{
    return waveInClose16(hWaveIn);
}

/**************************************************************************
 * 				waveInClose			[MMSYSTEM.505]
 */
UINT16 WINAPI waveInClose16(HWAVEIN16 hWaveIn)
{
    LPWAVEOPENDESC	lpDesc;
    DWORD 		dwRet;    

    TRACE(mmsys, "(%04X)\n", hWaveIn);
    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveIn);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    dwRet = widMessage(lpDesc->uDeviceID, WIDM_CLOSE, lpDesc->dwInstance, 0L, 0L);
    USER_HEAP_FREE(hWaveIn);
    return dwRet;
}

/**************************************************************************
 * 				waveInPrepareHeader		[WINMM.155]
 */
UINT WINAPI waveInPrepareHeader(HWAVEIN hWaveIn,
				WAVEHDR* lpWaveInHdr, UINT uSize)
{
    LPWAVEOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X, %p, %u);\n", hWaveIn, lpWaveInHdr, uSize);
    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveIn);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    if (lpWaveInHdr == NULL) return MMSYSERR_INVALHANDLE;
    lpWaveInHdr->lpNext = NULL;
    lpWaveInHdr->dwBytesRecorded = 0;
    lpWaveInHdr->reserved = (DWORD)lpWaveInHdr;

    return widMessage(lpDesc->uDeviceID, WIDM_PREPARE, lpDesc->dwInstance, 
		      (DWORD)lpWaveInHdr, uSize);
}

/**************************************************************************
 * 				waveInPrepareHeader		[MMSYSTEM.506]
 */
UINT16 WINAPI waveInPrepareHeader16(HWAVEIN16 hWaveIn,
				    WAVEHDR* /* SEGPTR */ _lpWaveInHdr, UINT16 uSize)
{
    LPWAVEOPENDESC	lpDesc;
    LPWAVEHDR		lpWaveInHdr = (LPWAVEHDR)PTR_SEG_TO_LIN(_lpWaveInHdr);
    UINT16		ret;
    
    TRACE(mmsys, "(%04X, %p, %u);\n", hWaveIn, lpWaveInHdr, uSize);

    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveIn);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    if (lpWaveInHdr == NULL) return MMSYSERR_INVALHANDLE;

    lpWaveInHdr->lpNext = NULL;
    lpWaveInHdr->dwBytesRecorded = 0;
    
    lpWaveInHdr->reserved = (DWORD)_lpWaveInHdr;

    ret = widMessage(lpDesc->uDeviceID, WIDM_PREPARE, lpDesc->dwInstance, 
		     (DWORD)lpWaveInHdr, uSize);
    return ret;
}

/**************************************************************************
 * 				waveInUnprepareHeader	[WINMM.159]
 */
UINT WINAPI waveInUnprepareHeader(HWAVEIN hWaveIn,
				  WAVEHDR* lpWaveInHdr, UINT uSize)
{
    LPWAVEOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X, %p, %u);\n", 
	  hWaveIn, lpWaveInHdr, uSize);
    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveIn);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    if (lpWaveInHdr == NULL) return MMSYSERR_INVALHANDLE;

    lpWaveInHdr->lpNext = NULL;
    return widMessage(lpDesc->uDeviceID, WIDM_UNPREPARE, lpDesc->dwInstance, 
		      (DWORD)lpWaveInHdr, uSize);
}

/**************************************************************************
 * 				waveInUnprepareHeader	[MMSYSTEM.507]
 */
UINT16 WINAPI waveInUnprepareHeader16(HWAVEIN16 hWaveIn,
                                      WAVEHDR* lpWaveInHdr, UINT16 uSize)
{
    LPWAVEOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X, %p, %u);\n", 
	  hWaveIn, lpWaveInHdr, uSize);
    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveIn);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    if (lpWaveInHdr == NULL) return MMSYSERR_INVALHANDLE;

    return widMessage(lpDesc->uDeviceID, WIDM_UNPREPARE, lpDesc->dwInstance, 
		      (DWORD)lpWaveInHdr, uSize);
}

/**************************************************************************
 * 				waveInAddBuffer		[WINMM.144]
 */
UINT WINAPI waveInAddBuffer(HWAVEIN hWaveIn,
			    WAVEHDR* lpWaveInHdr, UINT uSize)
{
    LPWAVEOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X, %p, %u);\n", hWaveIn, lpWaveInHdr, uSize);

    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveIn);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    if (lpWaveInHdr == NULL) return MMSYSERR_INVALHANDLE;

    lpWaveInHdr->lpNext = NULL;
    lpWaveInHdr->dwBytesRecorded = 0;

    return widMessage(lpDesc->uDeviceID, WIDM_ADDBUFFER, lpDesc->dwInstance,
		      (DWORD)lpWaveInHdr, uSize);
    
}

/**************************************************************************
 * 				waveInAddBuffer		[MMSYSTEM.508]
 */
UINT16 WINAPI waveInAddBuffer16(HWAVEIN16 hWaveIn,
                                WAVEHDR* lpWaveInHdr, UINT16 uSize)
{
    LPWAVEOPENDESC	lpDesc;
    UINT16		ret;
    
    TRACE(mmsys, "(%04X, %p, %u);\n", hWaveIn, lpWaveInHdr, uSize);

    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveIn);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    if (lpWaveInHdr == NULL) return MMSYSERR_INVALHANDLE;
    lpWaveInHdr->lpNext = NULL;
    lpWaveInHdr->dwBytesRecorded = 0;

    ret = widMessage(lpDesc->uDeviceID, WIDM_ADDBUFFER, lpDesc->dwInstance,
		     (DWORD)lpWaveInHdr, uSize);
    return ret;
}

/**************************************************************************
 * 				waveInStart			[WINMM.157]
 */
UINT WINAPI waveInStart(HWAVEIN hWaveIn)
{
    return waveInStart16(hWaveIn);
}

/**************************************************************************
 * 				waveInStart			[MMSYSTEM.509]
 */
UINT16 WINAPI waveInStart16(HWAVEIN16 hWaveIn)
{
    LPWAVEOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X)\n", hWaveIn);
    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveIn);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    return widMessage(lpDesc->uDeviceID, WIDM_START, lpDesc->dwInstance, 0, 0);
}

/**************************************************************************
 * 				waveInStop			[WINMM.158]
 */
UINT WINAPI waveInStop(HWAVEIN hWaveIn)
{
    return waveInStop16(hWaveIn);
}

/**************************************************************************
 * 				waveInStop			[MMSYSTEM.510]
 */
UINT16 WINAPI waveInStop16(HWAVEIN16 hWaveIn)
{
    LPWAVEOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X)\n", hWaveIn);
    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveIn);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    return widMessage(lpDesc->uDeviceID, WIDM_STOP, lpDesc->dwInstance, 0L, 0L);
}

/**************************************************************************
 * 				waveInReset			[WINMM.156]
 */
UINT WINAPI waveInReset(HWAVEIN hWaveIn)
{
    return waveInReset16(hWaveIn);
}

/**************************************************************************
 * 				waveInReset			[MMSYSTEM.511]
 */
UINT16 WINAPI waveInReset16(HWAVEIN16 hWaveIn)
{
    LPWAVEOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X)\n", hWaveIn);
    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveIn);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    return widMessage(lpDesc->uDeviceID, WIDM_RESET, lpDesc->dwInstance, 0, 0);
}

/**************************************************************************
 * 				waveInGetPosition	[WINMM.152]
 */
UINT WINAPI waveInGetPosition(HWAVEIN hWaveIn, LPMMTIME lpTime,
			      UINT uSize)
{
    MMTIME16	mmt16;
    UINT 	ret;
    
    mmt16.wType = lpTime->wType;
    ret = waveInGetPosition16(hWaveIn, &mmt16, uSize);
    
    MMSYSTEM_MMTIME16to32(lpTime, &mmt16);
    return ret;
}

/**************************************************************************
 * 				waveInGetPosition	[MMSYSTEM.512]
 */
UINT16 WINAPI waveInGetPosition16(HWAVEIN16 hWaveIn, LPMMTIME16 lpTime,
                                  UINT16 uSize)
{
    LPWAVEOPENDESC	lpDesc;
    
    TRACE(mmsys, "(%04X, %p, %u);\n", hWaveIn, lpTime, uSize);
    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveIn);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    return widMessage(lpDesc->uDeviceID, WIDM_GETPOS, lpDesc->dwInstance,
		      (DWORD)lpTime, (DWORD)uSize);
}

/**************************************************************************
 * 				waveInGetID			[WINMM.150]
 */
UINT WINAPI waveInGetID(HWAVEIN hWaveIn, UINT* lpuDeviceID)
{
    LPWAVEOPENDESC	lpDesc;
    
    TRACE(mmsys, "waveInGetID\n");
    if (lpuDeviceID == NULL) return MMSYSERR_INVALHANDLE;
    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveIn);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    *lpuDeviceID = lpDesc->uDeviceID;
    return 0;
}

/**************************************************************************
 * 				waveInGetID			[MMSYSTEM.513]
 */
UINT16 WINAPI waveInGetID16(HWAVEIN16 hWaveIn, UINT16* lpuDeviceID)
{
    LPWAVEOPENDESC	lpDesc;
    
    TRACE(mmsys, "waveInGetID\n");
    if (lpuDeviceID == NULL) return MMSYSERR_INVALHANDLE;
    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveIn);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    *lpuDeviceID = lpDesc->uDeviceID;
    return 0;
}

/**************************************************************************
 * 				waveInMessage 		[WINMM.153]
 */
DWORD WINAPI waveInMessage(HWAVEIN hWaveIn, UINT uMessage,
			   DWORD dwParam1, DWORD dwParam2)
{
    LPWAVEOPENDESC	lpDesc;
    
    FIXME(mmsys, "(%04X, %04X, %08lX, %08lX)\n", 
	  hWaveIn, uMessage, dwParam1, dwParam2);
    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveIn);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    switch (uMessage) {
    case WIDM_OPEN:
	FIXME(mmsys, "cannot handle WIDM_OPEN, please report.\n");
	break;
    case WIDM_GETNUMDEVS:
    case WIDM_GETPOS:
    case WIDM_CLOSE:
    case WIDM_STOP:
    case WIDM_RESET:
    case WIDM_START:
    case WIDM_PREPARE:
    case WIDM_UNPREPARE:
    case WIDM_ADDBUFFER:
    case WIDM_PAUSE:
	/* no argument conversion needed */
	break;
    case WIDM_GETDEVCAPS:
	/*FIXME: ANSI/UNICODE */
	return waveInGetDevCapsA(hWaveIn, (LPWAVEINCAPSA)dwParam1, dwParam2);
    default:
	ERR(mmsys,"(%04x, %04x, %08lx, %08lx): unhandled message\n",
	    hWaveIn, uMessage, dwParam1, dwParam2);
	break;
    }
    return widMessage(lpDesc->uDeviceID, uMessage, lpDesc->dwInstance, dwParam1, dwParam2);
}

/**************************************************************************
 * 				waveInMessage 		[MMSYSTEM.514]
 */
DWORD WINAPI waveInMessage16(HWAVEIN16 hWaveIn, UINT16 uMessage,
                             DWORD dwParam1, DWORD dwParam2)
{
    LPWAVEOPENDESC	lpDesc;
    
    FIXME(mmsys, "(%04X, %04X, %08lX, %08lX)\n", 
	  hWaveIn, uMessage, dwParam1, dwParam2);
    lpDesc = (LPWAVEOPENDESC) USER_HEAP_LIN_ADDR(hWaveIn);
    if (lpDesc == NULL) return MMSYSERR_INVALHANDLE;
    switch (uMessage) {
    case WIDM_OPEN:
	FIXME(mmsys,"cannot handle WIDM_OPEN, please report.\n");
	break;
    case WIDM_GETNUMDEVS:
    case WIDM_CLOSE:
    case WIDM_STOP:
    case WIDM_RESET:
    case WIDM_START:
    case WIDM_PAUSE:
	/* no argument conversion needed */
	break;
    case WIDM_GETDEVCAPS:
	return waveInGetDevCaps16(hWaveIn, (LPWAVEINCAPS16)PTR_SEG_TO_LIN(dwParam1), dwParam2);
    case WIDM_GETPOS:
	return waveInGetPosition16(hWaveIn, (LPMMTIME16)PTR_SEG_TO_LIN(dwParam1), dwParam2);
    case WIDM_PREPARE:
	return waveInPrepareHeader16(hWaveIn, (LPWAVEHDR)PTR_SEG_TO_LIN(dwParam1), dwParam2);
    case WIDM_UNPREPARE:
	return waveInUnprepareHeader16(hWaveIn, (LPWAVEHDR)PTR_SEG_TO_LIN(dwParam1), dwParam2);
    case WIDM_ADDBUFFER:
	return waveInAddBuffer16(hWaveIn, (LPWAVEHDR)PTR_SEG_TO_LIN(dwParam1), dwParam2);
    default:
	ERR(mmsys,"(%04x, %04x, %08lx, %08lx): unhandled message\n",
	    hWaveIn, uMessage, dwParam1, dwParam2);
	break;
    }
    return widMessage(lpDesc->uDeviceID, uMessage, lpDesc->dwInstance, dwParam1, dwParam2);
}

/**************************************************************************
 * 				DrvOpen	       		[MMSYSTEM.1100]
 */
HDRVR16 WINAPI DrvOpen(LPSTR lpDriverName, LPSTR lpSectionName, LPARAM lParam)
{
    TRACE(mmsys,"('%s','%s', %08lX);\n", lpDriverName, lpSectionName, lParam);

    return OpenDriver16(lpDriverName, lpSectionName, lParam);
}

/**************************************************************************
 * 				DrvClose       		[MMSYSTEM.1101]
 */
LRESULT WINAPI DrvClose(HDRVR16 hDrv, LPARAM lParam1, LPARAM lParam2)
{
    TRACE(mmsys, "(%04X, %08lX, %08lX);\n", hDrv, lParam1, lParam2);

    return CloseDriver16(hDrv, lParam1, lParam2);
}

/**************************************************************************
 * 				DrvSendMessage		[MMSYSTEM.1102]
 */
LRESULT WINAPI DrvSendMessage(HDRVR16 hDrv, WORD msg, LPARAM lParam1,
                              LPARAM lParam2)
{
    return SendDriverMessage(hDrv, msg, lParam1, lParam2);
}

/**************************************************************************
 * 				DrvGetModuleHandle	[MMSYSTEM.1103]
 */
HANDLE16 WINAPI DrvGetModuleHandle16(HDRVR16 hDrv)
{
    return GetDriverModuleHandle16(hDrv);
}

/**************************************************************************
 * 				DrvDefDriverProc	[MMSYSTEM.1104]
 */
LRESULT WINAPI DrvDefDriverProc(DWORD dwDriverID, HDRVR16 hDrv, WORD wMsg, 
                                DWORD dwParam1, DWORD dwParam2)
{
    /* FIXME : any mapping from 32 to 16 bit structure ? */
    return DefDriverProc16(dwDriverID, hDrv, wMsg, dwParam1, dwParam2);
}

/**************************************************************************
 * 				DefDriverProc			  [WINMM.5]
 */
LRESULT WINAPI DefDriverProc(DWORD dwDriverIdentifier, HDRVR hDrv,
			     UINT Msg, LPARAM lParam1, LPARAM lParam2)
{
    switch (Msg) {
    case DRV_LOAD:
    case DRV_FREE:
    case DRV_ENABLE:
    case DRV_DISABLE:
        return 1;
    case DRV_INSTALL:
    case DRV_REMOVE:
        return DRV_SUCCESS;
    default:
        return 0;
    }
}

/**************************************************************************
 * 				mmTaskCreate		[MMSYSTEM.900]
 *
 * Creates a 16 bit MM task. It's entry point is lpFunc, and it should be
 * called upon creation with dwPmt as parameter.
 */
HINSTANCE16 WINAPI mmTaskCreate16(SEGPTR spProc, HINSTANCE16 *lphMmTask, DWORD dwPmt)
{
    DWORD 		showCmd = 0x40002;
    LPSTR 		cmdline;
    WORD 		sel1, sel2;
    LOADPARAMS16*	lp;
    HINSTANCE16 	ret;
    HINSTANCE16		handle;
    
    TRACE(mmsys, "(%08lx, %p, %08lx);\n", spProc, lphMmTask, dwPmt);

    cmdline = (LPSTR)HeapAlloc(GetProcessHeap(), 0, 0x0d);
    cmdline[0] = 0x0d;
    *(LPDWORD)(cmdline + 1) = (DWORD)spProc;
    *(LPDWORD)(cmdline + 5) = dwPmt;
    *(LPDWORD)(cmdline + 9) = 0;
    
    sel1 = SELECTOR_AllocBlock(cmdline, 0x0d, SEGMENT_DATA, FALSE, FALSE);
    sel2 = SELECTOR_AllocBlock(&showCmd, sizeof(showCmd),
			       SEGMENT_DATA, FALSE, FALSE);
    
    lp = (LOADPARAMS16*)HeapAlloc(GetProcessHeap(), 0, sizeof(LOADPARAMS16));
    lp->hEnvironment = 0;
    lp->cmdLine = PTR_SEG_OFF_TO_SEGPTR(sel1, 0);
    lp->showCmd = PTR_SEG_OFF_TO_SEGPTR(sel2, 0);
    lp->reserved = 0;
    
    handle = LoadModule16("c:\\windows\\system\\mmtask.tsk", lp);
    if (handle < 32) {
	ret = (handle) ? 1 : 2;
	handle = 0;
    } else {
	ret = 0;
    }
    if (lphMmTask)
	*lphMmTask = handle;
    
    UnMapLS(PTR_SEG_OFF_TO_SEGPTR(sel2, 0));
    UnMapLS(PTR_SEG_OFF_TO_SEGPTR(sel1, 0));
    
    HeapFree(GetProcessHeap(), 0, lp);
    HeapFree(GetProcessHeap(), 0, cmdline);

    TRACE(mmsys, "=> 0x%04x/%d\n", handle, ret);
    return ret;
}

#if 0
/* C equivalent to mmtask.tsk binary content */
void	mmTaskEntryPoint(LPSTR cmdLine, WORD di, WORD si)
{
    int	len = cmdLine[0x80];

    if (len/2 == 6) {
	void	(*fpProc)(DWORD) = (void (*)(DWORD))SEG_PTR_TO_LIN(*((DWORD*)(cmdLine + 1)));
	DWORD	dwPmt  = *((DWORD*)(cmdLine + 5));

	InitTask16(); /* fixme: pmts / from context ? */
	InitApp(di);
	if (SetMessageQueue16(0x40)) {
	    WaitEvent16(0);
	    if (HIWORD(fpProc)) {
		OldYield16();
		StackEnter16();
		(fpProc)(dwPmt);
	    }
	}
    }
    OldYield16();
    OldYield16();
    OldYield16();
    ExitProcess(0);
}
#endif

/**************************************************************************
 * 				mmTaskBlock		[MMSYSTEM.902]
 */
void	WINAPI	mmTaskBlock16(HINSTANCE16 WINE_UNUSED hInst)
{
    MSG		msg;

    do {
	GetMessageA(&msg, 0, 0, 0);
	if (msg.hwnd) {
	    TranslateMessage(&msg);
	    DispatchMessageA(&msg);
	}
    } while (msg.message < 0x3A0);
}

/**************************************************************************
 * 				mmTaskSignal		[MMSYSTEM.903]
 */
LRESULT	WINAPI mmTaskSignal16(HTASK16 ht) 
{
    TRACE(mmsys,"(%04x);\n", ht);
    return Callout.PostAppMessage16(ht, WM_USER, 0, 0);
}

/**************************************************************************
 * 				mmTaskYield16		[MMSYSTEM.905]
 */
void	WINAPI	mmTaskYield16(void)
{
    MSG		msg;

    if (PeekMessageA(&msg, 0, 0, 0, 0)) {
	Yield16();
    }
}

void	WINAPI	WINE_mmThreadingEntryPoint(DWORD _pmt);

DWORD	WINAPI	GetProcessFlags(DWORD);

/**************************************************************************
 * 				mmThreadCreate		[MMSYSTEM.1120]
 */
LRESULT	WINAPI mmThreadCreate16(FARPROC16 fpThreadAddr, LPHANDLE lpHndl, DWORD dwPmt, DWORD dwFlags) 
{
    HANDLE16		hndl;
    LRESULT		ret;
    FARPROC16		fp;

    FIXME(mmsys, "(%p, %p, %08lx, %08lx): semi-stub!\n", fpThreadAddr, lpHndl, dwPmt, dwFlags);

    hndl = GlobalAlloc16(sizeof(WINE_MMTHREAD), GMEM_SHARE|GMEM_ZEROINIT);

    if (hndl == 0) {
	ret = 2;
    } else {
	WINE_MMTHREAD*	lpMMThd = (WINE_MMTHREAD*)PTR_SEG_OFF_TO_LIN(hndl, 0);

	lpMMThd->dwSignature = WINE_MMTHREAD_CREATED;
	lpMMThd->dwCounter   = 0;
	lpMMThd->hThread     = 0;
	lpMMThd->dwThreadId  = 0;
	lpMMThd->fpThread    = fpThreadAddr;
	lpMMThd->dwThreadPmt = dwPmt;
	/* FIXME     lpMMThd->dwUnknown3; */
	lpMMThd->hEvent = 0;
	/* FIXME     lpMMThd->dwUnknown5; */
	lpMMThd->dwStatus    = 0;
	lpMMThd->dwFlags     = dwFlags;
	lpMMThd->hTask       = 0;

	/* FIXME: Since main task in Wine is 16 bit (not 32, which is the case for 
	 * win 9x the test below may not work.
	 */
#ifdef WINE_MAIN_TASK_IS_32BIT
	if ((dwFlags & 1) == 0 && (GetProcessFlags(GetCurrentThreadId()) & 8) != 0)
	    FIXME(mmsys, "(NIY) Oooch: seems to require a real thread, not a 16 bit task !!\n");
#else
	if ((dwFlags & 1) == 0) 
	    FIXME(mmsys, "(NIY) Oooch: seems to require a real thread, not a 16 bit task !!\n");
#endif

#if 0
	if ((dwFlags & 1) == 0 && (GetProcessFlags(GetCurrentThreadId()) & 8)) {
	    leavewin16lock();
	    lpMMThd->hEvent = CreateEventA(0, 0, 1, 0);
	    if (lpMMThd->dwFlags & 2)
		lpMMThd->dwUnknown5 = OpenVxDHandle(lpMMThd->hEvent);
	    if (!CreateThread(0, 0, proc, SEGPTR(hndl, 0), 4, x)) {
		clean-up(event, VxDhandle...);
	    } else {
		lpMMThd->hThread = return from CreateThread;
	    }
	}
	else; /* do what's below */
#endif

	/* get WINE_mmThreadingEntryPoint() 
	 * 2047 is its ordinal in mmsystem.spec
	 */
	fp = GetProcAddress16(GetModuleHandle16("MMSYSTEM"), (SEGPTR)2047);
	TRACE(mmsys, "farproc seg=0x%08lx lin=%p\n", (DWORD)fp, PTR_SEG_TO_LIN(fp));

	if (fp == 0 || mmTaskCreate16((DWORD)fp, 0, hndl) != 0) {
	    GlobalFree16(hndl);
	    hndl = 0;
	    ret = 1;
	} else {
	    ret = 0;
	    while (lpMMThd->dwStatus < 10) {
		UserYield16();
	    }
	}
    }
#if 0
    if (lpMMThd->hThread)
	ResumeThread(lpMMThd->hThread);
#endif


    if (lpHndl)
	*lpHndl = hndl;

    return ret;
}

/**************************************************************************
 * 				mmThreadSignal		[MMSYSTEM.1121]
 */
void WINAPI mmThreadSignal16(HANDLE16 hndl) 
{
    TRACE(mmsys,"(%04x)!\n", hndl);

    if (hndl) {
	WINE_MMTHREAD*	lpMMThd = (WINE_MMTHREAD*)PTR_SEG_OFF_TO_LIN(hndl, 0);

	lpMMThd->dwCounter++;
#if 0
	if (lpMMThd->hThread != 0) {
	    /* FIXME ??
	     * SYSLEVEL_ReleaseWin16Lock();
	     * InterlockedIncrement(lpMMThd->hThread [18]);
	     * SetEvent(lpMMThd->hThread [1C]);
	     * SYSLEVEL_RestoreWin16Lock();
	     */
	} else {
	    mmTaskSignal16(lpMMThd->hTask);
	}
#else
	mmTaskSignal16(lpMMThd->hTask);
#endif
	lpMMThd->dwCounter--;
    }
}

/**************************************************************************
 * 				mmThreadBlock		[MMSYSTEM.1122]
 */
void	WINAPI mmThreadBlock16(HANDLE16 hndl) 
{
    TRACE(mmsys,"(%04x)!\n", hndl);

    if (hndl) {
	WINE_MMTHREAD*	lpMMThd = (WINE_MMTHREAD*)PTR_SEG_OFF_TO_LIN(hndl, 0);
	
#if 0
	if (lpMMThd->hThread != 0) {
	    /* FIXME
	     * DPMI: lock linear region lpMMThd
	     */
	} else {
	    mmTaskBlock16(lpMMThd->hTask);
	}
#else
	mmTaskBlock16(lpMMThd->hTask);
#endif
    }
}

HANDLE16 WINAPI mmThreadGetTask16(HANDLE16 hndl);
BOOL16	 WINAPI	mmThreadIsValid16(HANDLE16 hndl);

/**************************************************************************
 * 				mmThreadIsCurrent	[MMSYSTEM.1123]
 */
BOOL16	WINAPI mmThreadIsCurrent16(HANDLE16 hndl) 
{
    WINE_MMTHREAD*	lpMMThd;

    TRACE(mmsys, "(%04x)! stub\n", hndl);

    if (!hndl)
	return FALSE;

    if (!mmThreadIsValid16(hndl))
	return FALSE;

    lpMMThd = (WINE_MMTHREAD*)PTR_SEG_OFF_TO_LIN(hndl, 0);

    return GetCurrentThreadId() == lpMMThd->dwThreadId;
}

/**************************************************************************
 * 				mmThreadIsValid		[MMSYSTEM.1124]
 */
BOOL16	WINAPI	mmThreadIsValid16(HANDLE16 hndl)
{
    WINE_MMTHREAD*	lpMMThd;
    BOOL16		ret = TRUE;

    TRACE(mmsys, "(%04x)!\n", hndl);

    if (!hndl)
	return FALSE;
    lpMMThd = (WINE_MMTHREAD*)PTR_SEG_OFF_TO_LIN(hndl, 0);

    if (IsBadWritePtr(lpMMThd, sizeof(WINE_MMTHREAD)) ||
	lpMMThd->dwSignature != WINE_MMTHREAD_CREATED ||
	!IsTask16(lpMMThd->hTask))
	return FALSE;

#if 0
    lpMMThd->dwCounter++;
    if (lpMMThd->hThread != 0) {
	DWORD	dwThreadRet;

	SYSLEVEL_ReleaseWin16Lock();
	if (!GetExitCodeThread(lpMMThd->hThread, &locvar) ||
	    dwThreadRet != STATUS_PENDING) {
	    ret = FALSE;
	}
	SYSLEVEL_RestoreWin16Lock();
    }
    lpMMThd->dwCounter--;
#endif
    return ret;
}

/**************************************************************************
 * 				mmThreadGetTask		[MMSYSTEM.1125]
 */
HANDLE16 WINAPI mmThreadGetTask16(HANDLE16 hndl) 
{
    HANDLE16	ret = 0;

    TRACE(mmsys,"(%04x)\n", hndl);

    if (mmThreadIsValid16(hndl)) {
	WINE_MMTHREAD*	lpMMThd = (WINE_MMTHREAD*)PTR_SEG_OFF_TO_LIN(hndl, 0);
	ret = lpMMThd->hTask;
    }
    return ret;
}

void	WINAPI	WINE_mmThreadingEntryPoint(DWORD _pmt)
{
    HANDLE16		hndl = (HANDLE16)_pmt;
    WINE_MMTHREAD*	lpMMThd = (WINE_MMTHREAD*)PTR_SEG_OFF_TO_LIN(hndl, 0);

    TRACE(mmsys, "(%04x %p)\n", hndl, lpMMThd);

    lpMMThd->hTask = LOWORD(GetCurrentTask());
    lpMMThd->dwStatus = 0x10;
    mmThreadBlock16(hndl);
    lpMMThd->dwStatus = 0x20;
    if (lpMMThd->fpThread) 
	Callbacks->CallWOWCallbackProc(lpMMThd->fpThread, lpMMThd->dwThreadPmt);
    lpMMThd->dwStatus = 0x30;
    while (lpMMThd->dwCounter) {
	Yield16();
    }
    lpMMThd->dwSignature = WINE_MMTHREAD_DELETED;
    GlobalFree16(hndl);
}

/**************************************************************************
 * 			mmShowMMCPLPropertySheet	[MMSYSTEM.1150]
 */
BOOL16	WINAPI	mmShowMMCPLPropertySheet16(WORD w1, WORD w2, WORD w3, WORD w4, WORD w5, WORD w6, WORD w7)
{
    FIXME(mmsys, "(%04x %04x %04x %04x %04x %04x %04x): stub!\n", w1, w2, w3, w4, w5, w6, w7);

#if 0
    HANDLE	hndl;
    FARPROC	fp;
    BOOL16	ret = FALSE;

    /* to be tested */
    if ((hndl = LoadLibraryA("MMSYS.CPL")) != 0) {
	if ((fp = GetProcAddressA(hndl, "ShowMMCPLPropertySheet")) != NULL) {
	    ret = ((BOOL16 (WINAPI *)(WORD, WORD, WORD, WORD, WORD, WORD, WORD, WORD))fp)(0, w1, w2, w3, w4, w5, w6, w7);
	}
	FreeLibraryA(hndl);
    }
#endif
    
    return TRUE;
}

/**************************************************************************
 * 			StackEnter & StackLeave		[MMSYSTEM.32][MMSYSTEM.33]
 */
void	WINAPI	StackEnterLeave16(void)
{
#ifdef __i386__
    /* mmsystem.dll from Win 95 does only this: so does Wine */
    __asm__("stc");
#endif
}