dlls/winmm/winmm.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2
   3 /*
   4  * WINMM functions
   5  *
   6  * Copyright 1993      Martin Ayotte
   7  *           1998-2002 Eric Pouech
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 /*
  25  * Eric POUECH :
  26  *      98/9    added Win32 MCI support
  27  *      99/4    added midiStream support
  28  *      99/9    added support for loadable low level drivers
  29  */
  30
  31 /* TODO
  32  *      + it seems that some programs check what's installed in
  33  *        registry against the value returned by drivers. Wine is
  34  *        currently broken regarding this point.
  35  *      + check thread-safeness for MMSYSTEM and WINMM entry points
  36  *      + unicode entry points are badly supported (would require
  37  *        moving 32 bit drivers as Unicode as they are supposed to be)
  38  *      + allow joystick and timer external calls as we do for wave,
  39  *        midi, mixer and aux
  40  */
  41
  42 #include <stdio.h>
  43 #include <stdarg.h>
  44 #include <string.h>
  45
  46 #define NONAMELESSUNION
  47 #define NONAMELESSSTRUCT
  48 #include "windef.h"
  49 #include "winbase.h"
  50 #include "mmsystem.h"
  51 #include "winuser.h"
  52 #include "winnls.h"
  53 #include "winternl.h"
  54 #include "winemm.h"
  55
  56 #include "wine/debug.h"
  57
  58 WINE_DEFAULT_DEBUG_CHANNEL(winmm);
  59
  60 /* ========================================================================
  61  *                   G L O B A L   S E T T I N G S
  62  * ========================================================================*/
  63
  64 HINSTANCE hWinMM32Instance;
  65 HANDLE psLastEvent;
  66
  67 static CRITICAL_SECTION_DEBUG critsect_debug =
  68 {
  69     0, 0, &WINMM_cs,
  70     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  71       0, 0, { (DWORD_PTR)(__FILE__ ": WINMM_cs") }
  72 };
  73 CRITICAL_SECTION WINMM_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
  74
  75 /**************************************************************************
  76  *                      WINMM_CreateIData                       [internal]
  77  */
  78 static  BOOL    WINMM_CreateIData(HINSTANCE hInstDLL)
  79 {
  80     hWinMM32Instance = hInstDLL;
  81     psLastEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
  82     return TRUE;
  83 }
  84
  85 /******************************************************************
  86  *             WINMM_ErrorToString
  87  */
  88 const char* WINMM_ErrorToString(MMRESULT error)
  89 {
  90 #define ERR_TO_STR(dev) case dev: return #dev
  91     switch (error) {
  92     ERR_TO_STR(MMSYSERR_NOERROR);
  93     ERR_TO_STR(MMSYSERR_ERROR);
  94     ERR_TO_STR(MMSYSERR_BADDEVICEID);
  95     ERR_TO_STR(MMSYSERR_NOTENABLED);
  96     ERR_TO_STR(MMSYSERR_ALLOCATED);
  97     ERR_TO_STR(MMSYSERR_INVALHANDLE);
  98     ERR_TO_STR(MMSYSERR_NODRIVER);
  99     ERR_TO_STR(MMSYSERR_NOMEM);
 100     ERR_TO_STR(MMSYSERR_NOTSUPPORTED);
 101     ERR_TO_STR(MMSYSERR_BADERRNUM);
 102     ERR_TO_STR(MMSYSERR_INVALFLAG);
 103     ERR_TO_STR(MMSYSERR_INVALPARAM);
 104     ERR_TO_STR(MMSYSERR_HANDLEBUSY);
 105     ERR_TO_STR(MMSYSERR_INVALIDALIAS);
 106     ERR_TO_STR(MMSYSERR_BADDB);
 107     ERR_TO_STR(MMSYSERR_KEYNOTFOUND);
 108     ERR_TO_STR(MMSYSERR_READERROR);
 109     ERR_TO_STR(MMSYSERR_WRITEERROR);
 110     ERR_TO_STR(MMSYSERR_DELETEERROR);
 111     ERR_TO_STR(MMSYSERR_VALNOTFOUND);
 112     ERR_TO_STR(MMSYSERR_NODRIVERCB);
 113     ERR_TO_STR(WAVERR_BADFORMAT);
 114     ERR_TO_STR(WAVERR_STILLPLAYING);
 115     ERR_TO_STR(WAVERR_UNPREPARED);
 116     ERR_TO_STR(WAVERR_SYNC);
 117     ERR_TO_STR(MIDIERR_INVALIDSETUP);
 118     ERR_TO_STR(MIDIERR_NODEVICE);
 119     ERR_TO_STR(MIDIERR_STILLPLAYING);
 120     ERR_TO_STR(MIDIERR_UNPREPARED);
 121     }
 122 #undef ERR_TO_STR
 123     return wine_dbg_sprintf("Unknown(0x%08x)", error);
 124 }
 125
 126 /**************************************************************************
 127  *              DllMain (WINMM.init)
 128  *
 129  * WINMM DLL entry point
 130  *
 131  */
 132 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID fImpLoad)
 133 {
 134     TRACE("%p 0x%x %p\n", hInstDLL, fdwReason, fImpLoad);
 135
 136     switch (fdwReason) {
 137     case DLL_PROCESS_ATTACH:
 138         DisableThreadLibraryCalls(hInstDLL);
 139
 140         if (!WINMM_CreateIData(hInstDLL))
 141             return FALSE;
 142         break;
 143     case DLL_PROCESS_DETACH:
 144         if(fImpLoad)
 145             break;
 146
 147         MCI_SendCommand(MCI_ALL_DEVICE_ID, MCI_CLOSE, MCI_WAIT, 0L);
 148         MMDRV_Exit();
 149         DRIVER_UnloadAll();
 150         WINMM_DeleteWaveform();
 151         TIME_MMTimeStop();
 152         CloseHandle(psLastEvent);
 153         DeleteCriticalSection(&WINMM_cs);
 154         break;
 155     }
 156     return TRUE;
 157 }
 158
 159 /**************************************************************************
 160  *                      WINMM_CheckCallback                     [internal]
 161  */
 162 MMRESULT WINMM_CheckCallback(DWORD_PTR dwCallback, DWORD fdwOpen, BOOL mixer)
 163 {
 164     switch (fdwOpen & CALLBACK_TYPEMASK) {
 165     case CALLBACK_NULL:     /* dwCallback need not be NULL */
 166         break;
 167     case CALLBACK_WINDOW:
 168         if (dwCallback && !IsWindow((HWND)dwCallback))
 169             return MMSYSERR_INVALPARAM;
 170         break;
 171
 172     case CALLBACK_FUNCTION:
 173         /* a NULL cb is acceptable since w2k, MMSYSERR_INVALPARAM earlier */
 174         if (mixer)
 175             return MMSYSERR_INVALFLAG; /* since w2k, MMSYSERR_NOTSUPPORTED earlier */
 176         break;
 177     case CALLBACK_THREAD:
 178     case CALLBACK_EVENT:
 179         if (mixer) /* FIXME: mixer supports THREAD+EVENT since w2k */
 180             return MMSYSERR_NOTSUPPORTED; /* w9X */
 181         break;
 182     default:
 183         WARN("Unknown callback type %d\n", HIWORD(fdwOpen));
 184     }
 185     return MMSYSERR_NOERROR;
 186 }
 187
 188 /**************************************************************************
 189  *                              auxGetNumDevs           [WINMM.@]
 190  */
 191 UINT WINAPI auxGetNumDevs(void)
 192 {
 193     return MMDRV_GetNum(MMDRV_AUX);
 194 }
 195
 196 /**************************************************************************
 197  *                              auxGetDevCapsW          [WINMM.@]
 198  */
 199 UINT WINAPI auxGetDevCapsW(UINT_PTR uDeviceID, LPAUXCAPSW lpCaps, UINT uSize)
 200 {
 201     LPWINE_MLD          wmld;
 202
 203     TRACE("(%04lX, %p, %d) !\n", uDeviceID, lpCaps, uSize);
 204
 205     if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
 206
 207     if ((wmld = MMDRV_Get((HANDLE)uDeviceID, MMDRV_AUX, TRUE)) == NULL)
 208         return MMSYSERR_BADDEVICEID;
 209     return MMDRV_Message(wmld, AUXDM_GETDEVCAPS, (DWORD_PTR)lpCaps, uSize);
 210 }
 211
 212 /**************************************************************************
 213  *                              auxGetDevCapsA          [WINMM.@]
 214  */
 215 UINT WINAPI auxGetDevCapsA(UINT_PTR uDeviceID, LPAUXCAPSA lpCaps, UINT uSize)
 216 {
 217     AUXCAPSW    acW;
 218     UINT        ret;
 219
 220     if (lpCaps == NULL)        return MMSYSERR_INVALPARAM;
 221
 222     ret = auxGetDevCapsW(uDeviceID, &acW, sizeof(acW));
 223
 224     if (ret == MMSYSERR_NOERROR) {
 225         AUXCAPSA acA;
 226         acA.wMid           = acW.wMid;
 227         acA.wPid           = acW.wPid;
 228         acA.vDriverVersion = acW.vDriverVersion;
 229         WideCharToMultiByte( CP_ACP, 0, acW.szPname, -1, acA.szPname,
 230                              sizeof(acA.szPname), NULL, NULL );
 231         acA.wTechnology    = acW.wTechnology;
 232         acA.dwSupport      = acW.dwSupport;
 233         memcpy(lpCaps, &acA, min(uSize, sizeof(acA)));
 234     }
 235     return ret;
 236 }
 237
 238 /**************************************************************************
 239  *                              auxGetVolume            [WINMM.@]
 240  */
 241 UINT WINAPI auxGetVolume(UINT uDeviceID, DWORD* lpdwVolume)
 242 {
 243     LPWINE_MLD          wmld;
 244
 245     TRACE("(%04X, %p) !\n", uDeviceID, lpdwVolume);
 246
 247     if ((wmld = MMDRV_Get((HANDLE)(DWORD_PTR)uDeviceID, MMDRV_AUX, TRUE)) == NULL)
 248         return MMSYSERR_INVALHANDLE;
 249     return MMDRV_Message(wmld, AUXDM_GETVOLUME, (DWORD_PTR)lpdwVolume, 0L);
 250 }
 251
 252 /**************************************************************************
 253  *                              auxSetVolume            [WINMM.@]
 254  */
 255 UINT WINAPI auxSetVolume(UINT uDeviceID, DWORD dwVolume)
 256 {
 257     LPWINE_MLD          wmld;
 258
 259     TRACE("(%04X, %u) !\n", uDeviceID, dwVolume);
 260
 261     if ((wmld = MMDRV_Get((HANDLE)(DWORD_PTR)uDeviceID, MMDRV_AUX, TRUE)) == NULL)
 262         return MMSYSERR_INVALHANDLE;
 263     return MMDRV_Message(wmld, AUXDM_SETVOLUME, dwVolume, 0L);
 264 }
 265
 266 /**************************************************************************
 267  *                              auxOutMessage           [WINMM.@]
 268  */
 269 UINT WINAPI auxOutMessage(UINT uDeviceID, UINT uMessage, DWORD_PTR dw1, DWORD_PTR dw2)
 270 {
 271     LPWINE_MLD          wmld;
 272
 273     if ((wmld = MMDRV_Get((HANDLE)(DWORD_PTR)uDeviceID, MMDRV_AUX, TRUE)) == NULL)
 274         return MMSYSERR_INVALHANDLE;
 275
 276     return MMDRV_Message(wmld, uMessage, dw1, dw2);
 277 }
 278
 279 /**************************************************************************
 280  *                              midiOutGetNumDevs       [WINMM.@]
 281  */
 282 UINT WINAPI midiOutGetNumDevs(void)
 283 {
 284     return MMDRV_GetNum(MMDRV_MIDIOUT);
 285 }
 286
 287 /**************************************************************************
 288  *                              midiOutGetDevCapsW      [WINMM.@]
 289  */
 290 UINT WINAPI midiOutGetDevCapsW(UINT_PTR uDeviceID, LPMIDIOUTCAPSW lpCaps,
 291                                UINT uSize)
 292 {
 293     LPWINE_MLD  wmld;
 294
 295     TRACE("(%lu, %p, %u);\n", uDeviceID, lpCaps, uSize);
 296
 297     if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
 298
 299     if ((wmld = MMDRV_Get((HANDLE)uDeviceID, MMDRV_MIDIOUT, TRUE)) == NULL)
 300         return MMSYSERR_BADDEVICEID;
 301
 302     return MMDRV_Message(wmld, MODM_GETDEVCAPS, (DWORD_PTR)lpCaps, uSize);
 303 }
 304
 305 /**************************************************************************
 306  *                              midiOutGetDevCapsA      [WINMM.@]
 307  */
 308 UINT WINAPI midiOutGetDevCapsA(UINT_PTR uDeviceID, LPMIDIOUTCAPSA lpCaps,
 309                                UINT uSize)
 310 {
 311     MIDIOUTCAPSW        mocW;
 312     UINT                ret;
 313
 314     if (lpCaps == NULL)        return MMSYSERR_INVALPARAM;
 315
 316     ret = midiOutGetDevCapsW(uDeviceID, &mocW, sizeof(mocW));
 317
 318     if (ret == MMSYSERR_NOERROR) {
 319         MIDIOUTCAPSA mocA;
 320         mocA.wMid               = mocW.wMid;
 321         mocA.wPid               = mocW.wPid;
 322         mocA.vDriverVersion     = mocW.vDriverVersion;
 323         WideCharToMultiByte( CP_ACP, 0, mocW.szPname, -1, mocA.szPname,
 324                              sizeof(mocA.szPname), NULL, NULL );
 325         mocA.wTechnology        = mocW.wTechnology;
 326         mocA.wVoices            = mocW.wVoices;
 327         mocA.wNotes             = mocW.wNotes;
 328         mocA.wChannelMask       = mocW.wChannelMask;
 329         mocA.dwSupport          = mocW.dwSupport;
 330         memcpy(lpCaps, &mocA, min(uSize, sizeof(mocA)));
 331     }
 332     return ret;
 333 }
 334
 335 /**************************************************************************
 336  *                              midiOutGetErrorTextA    [WINMM.@]
 337  *                              midiInGetErrorTextA     [WINMM.@]
 338  */
 339 UINT WINAPI midiOutGetErrorTextA(UINT uError, LPSTR lpText, UINT uSize)
 340 {
 341     UINT        ret;
 342
 343     if (lpText == NULL) ret = MMSYSERR_INVALPARAM;
 344     else if (uSize == 0) ret = MMSYSERR_NOERROR;
 345     else
 346     {
 347         LPWSTR  xstr = HeapAlloc(GetProcessHeap(), 0, uSize * sizeof(WCHAR));
 348         if (!xstr) ret = MMSYSERR_NOMEM;
 349         else
 350         {
 351             ret = midiOutGetErrorTextW(uError, xstr, uSize);
 352             if (ret == MMSYSERR_NOERROR)
 353                 WideCharToMultiByte(CP_ACP, 0, xstr, -1, lpText, uSize, NULL, NULL);
 354             HeapFree(GetProcessHeap(), 0, xstr);
 355         }
 356     }
 357     return ret;
 358 }
 359
 360 /**************************************************************************
 361  *                              midiOutGetErrorTextW    [WINMM.@]
 362  *                              midiInGetErrorTextW     [WINMM.@]
 363  */
 364 UINT WINAPI midiOutGetErrorTextW(UINT uError, LPWSTR lpText, UINT uSize)
 365 {
 366     UINT        ret = MMSYSERR_BADERRNUM;
 367
 368     if (lpText == NULL) ret = MMSYSERR_INVALPARAM;
 369     else if (uSize == 0) ret = MMSYSERR_NOERROR;
 370     else if (
 371                /* test has been removed because MMSYSERR_BASE is 0, and gcc did emit
 372                 * a warning for the test was always true */
 373                (/*uError >= MMSYSERR_BASE && */ uError <= MMSYSERR_LASTERROR) ||
 374                (uError >= MIDIERR_BASE  && uError <= MIDIERR_LASTERROR)) {
 375         if (LoadStringW(hWinMM32Instance, uError, lpText, uSize) > 0) {
 376             ret = MMSYSERR_NOERROR;
 377         }
 378     }
 379     return ret;
 380 }
 381
 382 /**************************************************************************
 383  *                              MIDI_OutAlloc                   [internal]
 384  */
 385 static  LPWINE_MIDI     MIDI_OutAlloc(HMIDIOUT* lphMidiOut, DWORD_PTR* lpdwCallback,
 386                                       DWORD_PTR* lpdwInstance, LPDWORD lpdwFlags,
 387                                       DWORD cIDs, MIDIOPENSTRMID* lpIDs)
 388 {
 389     HANDLE              hMidiOut;
 390     LPWINE_MIDI         lpwm;
 391     UINT                size;
 392
 393     size = sizeof(WINE_MIDI) + (cIDs ? (cIDs-1) : 0) * sizeof(MIDIOPENSTRMID);
 394
 395     lpwm = (LPWINE_MIDI)MMDRV_Alloc(size, MMDRV_MIDIOUT, &hMidiOut, lpdwFlags,
 396                                     lpdwCallback, lpdwInstance);
 397     *lphMidiOut = hMidiOut;
 398
 399     if (lpwm) {
 400         lpwm->mod.hMidi = hMidiOut;
 401         lpwm->mod.dwCallback = *lpdwCallback;
 402         lpwm->mod.dwInstance = *lpdwInstance;
 403         lpwm->mod.dnDevNode = 0;
 404         lpwm->mod.cIds = cIDs;
 405         if (cIDs)
 406             memcpy(&(lpwm->mod.rgIds), lpIDs, cIDs * sizeof(MIDIOPENSTRMID));
 407     }
 408     return lpwm;
 409 }
 410
 411 /**************************************************************************
 412  *                              midiOutOpen             [WINMM.@]
 413  */
 414 UINT WINAPI midiOutOpen(LPHMIDIOUT lphMidiOut, UINT uDeviceID,
 415                        DWORD_PTR dwCallback, DWORD_PTR dwInstance, DWORD dwFlags)
 416 {
 417     HMIDIOUT            hMidiOut;
 418     LPWINE_MIDI         lpwm;
 419     UINT                dwRet;
 420
 421     TRACE("(%p, %d, %08lX, %08lX, %08X);\n",
 422           lphMidiOut, uDeviceID, dwCallback, dwInstance, dwFlags);
 423
 424     if (lphMidiOut != NULL) *lphMidiOut = 0;
 425
 426     dwRet = WINMM_CheckCallback(dwCallback, dwFlags, FALSE);
 427     if (dwRet != MMSYSERR_NOERROR)
 428         return dwRet;
 429
 430     lpwm = MIDI_OutAlloc(&hMidiOut, &dwCallback, &dwInstance, &dwFlags, 0, NULL);
 431
 432     if (lpwm == NULL)
 433         return MMSYSERR_NOMEM;
 434
 435     lpwm->mld.uDeviceID = uDeviceID;
 436
 437     dwRet = MMDRV_Open((LPWINE_MLD)lpwm, MODM_OPEN, (DWORD_PTR)&lpwm->mod, dwFlags);
 438
 439     if (dwRet != MMSYSERR_NOERROR) {
 440         MMDRV_Free(hMidiOut, (LPWINE_MLD)lpwm);
 441         hMidiOut = 0;
 442     }
 443
 444     if (lphMidiOut) *lphMidiOut = hMidiOut;
 445     TRACE("=> %d hMidi=%p\n", dwRet, hMidiOut);
 446
 447     return dwRet;
 448 }
 449
 450 /**************************************************************************
 451  *                              midiOutClose            [WINMM.@]
 452  */
 453 UINT WINAPI midiOutClose(HMIDIOUT hMidiOut)
 454 {
 455     LPWINE_MLD          wmld;
 456     DWORD               dwRet;
 457
 458     TRACE("(%p)\n", hMidiOut);
 459
 460     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 461         return MMSYSERR_INVALHANDLE;
 462
 463     dwRet = MMDRV_Close(wmld, MODM_CLOSE);
 464     MMDRV_Free(hMidiOut, wmld);
 465
 466     return dwRet;
 467 }
 468
 469 /**************************************************************************
 470  *                              midiOutPrepareHeader    [WINMM.@]
 471  */
 472 UINT WINAPI midiOutPrepareHeader(HMIDIOUT hMidiOut,
 473                                  MIDIHDR* lpMidiOutHdr, UINT uSize)
 474 {
 475     LPWINE_MLD          wmld;
 476
 477     TRACE("(%p, %p, %d)\n", hMidiOut, lpMidiOutHdr, uSize);
 478
 479     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 480         return MMSYSERR_INVALHANDLE;
 481     /* FIXME: detect MIDIStream handles and enforce 64KB buffer limit on those */
 482
 483     return MMDRV_Message(wmld, MODM_PREPARE, (DWORD_PTR)lpMidiOutHdr, uSize);
 484 }
 485
 486 /**************************************************************************
 487  *                              midiOutUnprepareHeader  [WINMM.@]
 488  */
 489 UINT WINAPI midiOutUnprepareHeader(HMIDIOUT hMidiOut,
 490                                    MIDIHDR* lpMidiOutHdr, UINT uSize)
 491 {
 492     LPWINE_MLD          wmld;
 493
 494     TRACE("(%p, %p, %d)\n", hMidiOut, lpMidiOutHdr, uSize);
 495
 496     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 497         return MMSYSERR_INVALHANDLE;
 498
 499     return MMDRV_Message(wmld, MODM_UNPREPARE, (DWORD_PTR)lpMidiOutHdr, uSize);
 500 }
 501
 502 /**************************************************************************
 503  *                              midiOutShortMsg         [WINMM.@]
 504  */
 505 UINT WINAPI midiOutShortMsg(HMIDIOUT hMidiOut, DWORD dwMsg)
 506 {
 507     LPWINE_MLD          wmld;
 508
 509     TRACE("(%p, %08X)\n", hMidiOut, dwMsg);
 510
 511     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 512         return MMSYSERR_INVALHANDLE;
 513
 514     return MMDRV_Message(wmld, MODM_DATA, dwMsg, 0L);
 515 }
 516
 517 /**************************************************************************
 518  *                              midiOutLongMsg          [WINMM.@]
 519  */
 520 UINT WINAPI midiOutLongMsg(HMIDIOUT hMidiOut,
 521                            MIDIHDR* lpMidiOutHdr, UINT uSize)
 522 {
 523     LPWINE_MLD          wmld;
 524
 525     TRACE("(%p, %p, %d)\n", hMidiOut, lpMidiOutHdr, uSize);
 526
 527     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 528         return MMSYSERR_INVALHANDLE;
 529
 530     return MMDRV_Message(wmld, MODM_LONGDATA, (DWORD_PTR)lpMidiOutHdr, uSize);
 531 }
 532
 533 /**************************************************************************
 534  *                              midiOutReset            [WINMM.@]
 535  */
 536 UINT WINAPI midiOutReset(HMIDIOUT hMidiOut)
 537 {
 538     LPWINE_MLD          wmld;
 539
 540     TRACE("(%p)\n", hMidiOut);
 541
 542     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 543         return MMSYSERR_INVALHANDLE;
 544
 545     return MMDRV_Message(wmld, MODM_RESET, 0L, 0L);
 546 }
 547
 548 /**************************************************************************
 549  *                              midiOutGetVolume        [WINMM.@]
 550  */
 551 UINT WINAPI midiOutGetVolume(HMIDIOUT hMidiOut, DWORD* lpdwVolume)
 552 {
 553     LPWINE_MLD          wmld;
 554
 555     TRACE("(%p, %p);\n", hMidiOut, lpdwVolume);
 556
 557     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, TRUE)) == NULL)
 558         return MMSYSERR_INVALHANDLE;
 559
 560     return MMDRV_Message(wmld, MODM_GETVOLUME, (DWORD_PTR)lpdwVolume, 0L);
 561 }
 562
 563 /**************************************************************************
 564  *                              midiOutSetVolume        [WINMM.@]
 565  */
 566 UINT WINAPI midiOutSetVolume(HMIDIOUT hMidiOut, DWORD dwVolume)
 567 {
 568     LPWINE_MLD          wmld;
 569
 570     TRACE("(%p, %d);\n", hMidiOut, dwVolume);
 571
 572     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, TRUE)) == NULL)
 573         return MMSYSERR_INVALHANDLE;
 574
 575     return MMDRV_Message(wmld, MODM_SETVOLUME, dwVolume, 0L);
 576 }
 577
 578 /**************************************************************************
 579  *                              midiOutCachePatches             [WINMM.@]
 580  */
 581 UINT WINAPI midiOutCachePatches(HMIDIOUT hMidiOut, UINT uBank,
 582                                 WORD* lpwPatchArray, UINT uFlags)
 583 {
 584     /* not really necessary to support this */
 585     FIXME("(%p, %u, %p, %x): Stub\n", hMidiOut, uBank, lpwPatchArray, uFlags);
 586     return MMSYSERR_NOTSUPPORTED;
 587 }
 588
 589 /**************************************************************************
 590  *                              midiOutCacheDrumPatches [WINMM.@]
 591  */
 592 UINT WINAPI midiOutCacheDrumPatches(HMIDIOUT hMidiOut, UINT uPatch,
 593                                     WORD* lpwKeyArray, UINT uFlags)
 594 {
 595     FIXME("(%p, %u, %p, %x): Stub\n", hMidiOut, uPatch, lpwKeyArray, uFlags);
 596     return MMSYSERR_NOTSUPPORTED;
 597 }
 598
 599 /**************************************************************************
 600  *                              midiOutGetID            [WINMM.@]
 601  */
 602 UINT WINAPI midiOutGetID(HMIDIOUT hMidiOut, UINT* lpuDeviceID)
 603 {
 604     LPWINE_MLD          wmld;
 605
 606     TRACE("(%p, %p)\n", hMidiOut, lpuDeviceID);
 607
 608     if (lpuDeviceID == NULL) return MMSYSERR_INVALPARAM;
 609     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 610         return MMSYSERR_INVALHANDLE;
 611
 612     *lpuDeviceID = wmld->uDeviceID;
 613     return MMSYSERR_NOERROR;
 614 }
 615
 616 /**************************************************************************
 617  *                              midiOutMessage          [WINMM.@]
 618  */
 619 UINT WINAPI midiOutMessage(HMIDIOUT hMidiOut, UINT uMessage,
 620                            DWORD_PTR dwParam1, DWORD_PTR dwParam2)
 621 {
 622     LPWINE_MLD          wmld;
 623
 624     TRACE("(%p, %04X, %08lX, %08lX)\n", hMidiOut, uMessage, dwParam1, dwParam2);
 625
 626     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL) {
 627         /* HACK... */
 628         if (uMessage == 0x0001) {
 629             *(LPDWORD)dwParam1 = 1;
 630             return 0;
 631         }
 632         if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, TRUE)) != NULL) {
 633             return MMDRV_PhysicalFeatures(wmld, uMessage, dwParam1, dwParam2);
 634         }
 635         return MMSYSERR_INVALHANDLE;
 636     }
 637
 638     switch (uMessage) {
 639     case MODM_OPEN:
 640     case MODM_CLOSE:
 641         FIXME("can't handle OPEN or CLOSE message!\n");
 642         return MMSYSERR_NOTSUPPORTED;
 643     }
 644     return MMDRV_Message(wmld, uMessage, dwParam1, dwParam2);
 645 }
 646
 647 /**************************************************************************
 648  *                              midiInGetNumDevs        [WINMM.@]
 649  */
 650 UINT WINAPI midiInGetNumDevs(void)
 651 {
 652     return MMDRV_GetNum(MMDRV_MIDIIN);
 653 }
 654
 655 /**************************************************************************
 656  *                              midiInGetDevCapsW       [WINMM.@]
 657  */
 658 UINT WINAPI midiInGetDevCapsW(UINT_PTR uDeviceID, LPMIDIINCAPSW lpCaps, UINT uSize)
 659 {
 660     LPWINE_MLD  wmld;
 661
 662     TRACE("(%ld, %p, %d);\n", uDeviceID, lpCaps, uSize);
 663
 664     if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
 665
 666     if ((wmld = MMDRV_Get((HANDLE)uDeviceID, MMDRV_MIDIIN, TRUE)) == NULL)
 667         return MMSYSERR_BADDEVICEID;
 668
 669    return MMDRV_Message(wmld, MIDM_GETDEVCAPS, (DWORD_PTR)lpCaps, uSize);
 670 }
 671
 672 /**************************************************************************
 673  *                              midiInGetDevCapsA       [WINMM.@]
 674  */
 675 UINT WINAPI midiInGetDevCapsA(UINT_PTR uDeviceID, LPMIDIINCAPSA lpCaps, UINT uSize)
 676 {
 677     MIDIINCAPSW         micW;
 678     UINT                ret;
 679
 680     if (lpCaps == NULL)        return MMSYSERR_INVALPARAM;
 681
 682     ret = midiInGetDevCapsW(uDeviceID, &micW, sizeof(micW));
 683
 684     if (ret == MMSYSERR_NOERROR) {
 685         MIDIINCAPSA micA;
 686         micA.wMid           = micW.wMid;
 687         micA.wPid           = micW.wPid;
 688         micA.vDriverVersion = micW.vDriverVersion;
 689         WideCharToMultiByte( CP_ACP, 0, micW.szPname, -1, micA.szPname,
 690                              sizeof(micA.szPname), NULL, NULL );
 691         micA.dwSupport      = micW.dwSupport;
 692         memcpy(lpCaps, &micA, min(uSize, sizeof(micA)));
 693     }
 694     return ret;
 695 }
 696
 697 /**************************************************************************
 698  *                              midiInOpen              [WINMM.@]
 699  */
 700 UINT WINAPI midiInOpen(HMIDIIN* lphMidiIn, UINT uDeviceID,
 701                        DWORD_PTR dwCallback, DWORD_PTR dwInstance, DWORD dwFlags)
 702 {
 703     HANDLE              hMidiIn;
 704     LPWINE_MIDI         lpwm;
 705     DWORD               dwRet;
 706
 707     TRACE("(%p, %d, %08lX, %08lX, %08X);\n",
 708           lphMidiIn, uDeviceID, dwCallback, dwInstance, dwFlags);
 709
 710     if (lphMidiIn != NULL) *lphMidiIn = 0;
 711
 712     dwRet = WINMM_CheckCallback(dwCallback, dwFlags, FALSE);
 713     if (dwRet != MMSYSERR_NOERROR)
 714         return dwRet;
 715
 716     lpwm = (LPWINE_MIDI)MMDRV_Alloc(sizeof(WINE_MIDI), MMDRV_MIDIIN, &hMidiIn,
 717                                     &dwFlags, &dwCallback, &dwInstance);
 718
 719     if (lpwm == NULL)
 720         return MMSYSERR_NOMEM;
 721
 722     lpwm->mod.hMidi = hMidiIn;
 723     lpwm->mod.dwCallback = dwCallback;
 724     lpwm->mod.dwInstance = dwInstance;
 725
 726     lpwm->mld.uDeviceID = uDeviceID;
 727     dwRet = MMDRV_Open(&lpwm->mld, MIDM_OPEN, (DWORD_PTR)&lpwm->mod, dwFlags);
 728
 729     if (dwRet != MMSYSERR_NOERROR) {
 730         MMDRV_Free(hMidiIn, &lpwm->mld);
 731         hMidiIn = 0;
 732     }
 733     if (lphMidiIn != NULL) *lphMidiIn = hMidiIn;
 734     TRACE("=> %d hMidi=%p\n", dwRet, hMidiIn);
 735
 736     return dwRet;
 737 }
 738
 739 /**************************************************************************
 740  *                              midiInClose             [WINMM.@]
 741  */
 742 UINT WINAPI midiInClose(HMIDIIN hMidiIn)
 743 {
 744     LPWINE_MLD          wmld;
 745     DWORD               dwRet;
 746
 747     TRACE("(%p)\n", hMidiIn);
 748
 749     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 750         return MMSYSERR_INVALHANDLE;
 751
 752     dwRet = MMDRV_Close(wmld, MIDM_CLOSE);
 753     MMDRV_Free(hMidiIn, wmld);
 754     return dwRet;
 755 }
 756
 757 /**************************************************************************
 758  *                              midiInPrepareHeader     [WINMM.@]
 759  */
 760 UINT WINAPI midiInPrepareHeader(HMIDIIN hMidiIn,
 761                                 MIDIHDR* lpMidiInHdr, UINT uSize)
 762 {
 763     LPWINE_MLD          wmld;
 764
 765     TRACE("(%p, %p, %d)\n", hMidiIn, lpMidiInHdr, uSize);
 766
 767     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 768         return MMSYSERR_INVALHANDLE;
 769
 770     return MMDRV_Message(wmld, MIDM_PREPARE, (DWORD_PTR)lpMidiInHdr, uSize);
 771 }
 772
 773 /**************************************************************************
 774  *                              midiInUnprepareHeader   [WINMM.@]
 775  */
 776 UINT WINAPI midiInUnprepareHeader(HMIDIIN hMidiIn,
 777                                   MIDIHDR* lpMidiInHdr, UINT uSize)
 778 {
 779     LPWINE_MLD          wmld;
 780
 781     TRACE("(%p, %p, %d)\n", hMidiIn, lpMidiInHdr, uSize);
 782
 783     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 784         return MMSYSERR_INVALHANDLE;
 785
 786     return MMDRV_Message(wmld, MIDM_UNPREPARE, (DWORD_PTR)lpMidiInHdr, uSize);
 787 }
 788
 789 /**************************************************************************
 790  *                              midiInAddBuffer         [WINMM.@]
 791  */
 792 UINT WINAPI midiInAddBuffer(HMIDIIN hMidiIn,
 793                             MIDIHDR* lpMidiInHdr, UINT uSize)
 794 {
 795     LPWINE_MLD          wmld;
 796
 797     TRACE("(%p, %p, %d)\n", hMidiIn, lpMidiInHdr, uSize);
 798
 799     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 800         return MMSYSERR_INVALHANDLE;
 801
 802     return MMDRV_Message(wmld, MIDM_ADDBUFFER, (DWORD_PTR)lpMidiInHdr, uSize);
 803 }
 804
 805 /**************************************************************************
 806  *                              midiInStart                     [WINMM.@]
 807  */
 808 UINT WINAPI midiInStart(HMIDIIN hMidiIn)
 809 {
 810     LPWINE_MLD          wmld;
 811
 812     TRACE("(%p)\n", hMidiIn);
 813
 814     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 815         return MMSYSERR_INVALHANDLE;
 816
 817     return MMDRV_Message(wmld, MIDM_START, 0L, 0L);
 818 }
 819
 820 /**************************************************************************
 821  *                              midiInStop                      [WINMM.@]
 822  */
 823 UINT WINAPI midiInStop(HMIDIIN hMidiIn)
 824 {
 825     LPWINE_MLD          wmld;
 826
 827     TRACE("(%p)\n", hMidiIn);
 828
 829     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 830         return MMSYSERR_INVALHANDLE;
 831
 832     return MMDRV_Message(wmld, MIDM_STOP, 0L, 0L);
 833 }
 834
 835 /**************************************************************************
 836  *                              midiInReset                     [WINMM.@]
 837  */
 838 UINT WINAPI midiInReset(HMIDIIN hMidiIn)
 839 {
 840     LPWINE_MLD          wmld;
 841
 842     TRACE("(%p)\n", hMidiIn);
 843
 844     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 845         return MMSYSERR_INVALHANDLE;
 846
 847     return MMDRV_Message(wmld, MIDM_RESET, 0L, 0L);
 848 }
 849
 850 /**************************************************************************
 851  *                              midiInGetID                     [WINMM.@]
 852  */
 853 UINT WINAPI midiInGetID(HMIDIIN hMidiIn, UINT* lpuDeviceID)
 854 {
 855     LPWINE_MLD          wmld;
 856
 857     TRACE("(%p, %p)\n", hMidiIn, lpuDeviceID);
 858
 859     if (lpuDeviceID == NULL) return MMSYSERR_INVALPARAM;
 860
 861     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, TRUE)) == NULL)
 862         return MMSYSERR_INVALHANDLE;
 863
 864     *lpuDeviceID = wmld->uDeviceID;
 865
 866     return MMSYSERR_NOERROR;
 867 }
 868
 869 /**************************************************************************
 870  *                              midiInMessage           [WINMM.@]
 871  */
 872 UINT WINAPI midiInMessage(HMIDIIN hMidiIn, UINT uMessage,
 873                           DWORD_PTR dwParam1, DWORD_PTR dwParam2)
 874 {
 875     LPWINE_MLD          wmld;
 876
 877     TRACE("(%p, %04X, %08lX, %08lX)\n", hMidiIn, uMessage, dwParam1, dwParam2);
 878
 879     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 880         return MMSYSERR_INVALHANDLE;
 881
 882     switch (uMessage) {
 883     case MIDM_OPEN:
 884     case MIDM_CLOSE:
 885         FIXME("can't handle OPEN or CLOSE message!\n");
 886         return MMSYSERR_NOTSUPPORTED;
 887     }
 888     return MMDRV_Message(wmld, uMessage, dwParam1, dwParam2);
 889 }
 890
 891 /**************************************************************************
 892  *                              midiConnect                     [WINMM.@]
 893  */
 894 MMRESULT WINAPI midiConnect(HMIDI hMidi, HMIDIOUT hmo, LPVOID pReserved)
 895 {
 896     FIXME("(%p, %p, %p): Stub\n", hMidi, hmo, pReserved);
 897     return MMSYSERR_ERROR;
 898 }
 899
 900 /**************************************************************************
 901  *                              midiDisconnect                  [WINMM.@]
 902  */
 903 MMRESULT WINAPI midiDisconnect(HMIDI hMidi, HMIDIOUT hmo, LPVOID pReserved)
 904 {
 905     FIXME("(%p, %p, %p): Stub\n", hMidi, hmo, pReserved);
 906     return MMSYSERR_ERROR;
 907 }
 908
 909 typedef struct WINE_MIDIStream {
 910     HMIDIOUT                    hDevice;
 911     HANDLE                      hThread;
 912     DWORD                       dwThreadID;
 913     DWORD                       dwTempo;
 914     DWORD                       dwTimeDiv;
 915     DWORD                       dwPositionMS;
 916     DWORD                       dwPulses;
 917     DWORD                       dwStartTicks;
 918     WORD                        wFlags;
 919     HANDLE                      hEvent;
 920     LPMIDIHDR                   lpMidiHdr;
 921 } WINE_MIDIStream;
 922
 923 #define WINE_MSM_HEADER         (WM_USER+0)
 924 #define WINE_MSM_STOP           (WM_USER+1)
 925 #define WINE_MSM_PAUSE          (WM_USER+2)
 926 #define WINE_MSM_RESUME         (WM_USER+3)
 927
 928 /**************************************************************************
 929  *                              MMSYSTEM_GetMidiStream          [internal]
 930  */
 931 static  BOOL    MMSYSTEM_GetMidiStream(HMIDISTRM hMidiStrm, WINE_MIDIStream** lpMidiStrm, WINE_MIDI** lplpwm)
 932 {
 933     WINE_MIDI* lpwm = (LPWINE_MIDI)MMDRV_Get(hMidiStrm, MMDRV_MIDIOUT, FALSE);
 934
 935     if (lplpwm)
 936         *lplpwm = lpwm;
 937
 938     if (lpwm == NULL) {
 939         return FALSE;
 940     }
 941
 942     *lpMidiStrm = (WINE_MIDIStream*)lpwm->mod.rgIds.dwStreamID;
 943
 944     return *lpMidiStrm != NULL;
 945 }
 946
 947 /**************************************************************************
 948  *                              MMSYSTEM_MidiStream_Convert     [internal]
 949  */
 950 static  DWORD   MMSYSTEM_MidiStream_Convert(WINE_MIDIStream* lpMidiStrm, DWORD pulse)
 951 {
 952     DWORD       ret = 0;
 953
 954     if (lpMidiStrm->dwTimeDiv == 0) {
 955         FIXME("Shouldn't happen. lpMidiStrm->dwTimeDiv = 0\n");
 956     } else if (lpMidiStrm->dwTimeDiv > 0x8000) { /* SMPTE, unchecked FIXME? */
 957         int     nf = -(char)HIBYTE(lpMidiStrm->dwTimeDiv);      /* number of frames     */
 958         int     nsf = LOBYTE(lpMidiStrm->dwTimeDiv);            /* number of sub-frames */
 959         ret = (pulse * 1000) / (nf * nsf);
 960     } else {
 961         ret = (DWORD)((double)pulse * ((double)lpMidiStrm->dwTempo / 1000) /
 962                       (double)lpMidiStrm->dwTimeDiv);
 963     }
 964
 965     return ret;
 966 }
 967
 968 /**************************************************************************
 969  *                      MMSYSTEM_MidiStream_MessageHandler      [internal]
 970  */
 971 static  BOOL    MMSYSTEM_MidiStream_MessageHandler(WINE_MIDIStream* lpMidiStrm, LPWINE_MIDI lpwm, LPMSG msg)
 972 {
 973     LPMIDIHDR   lpMidiHdr;
 974     LPMIDIHDR*  lpmh;
 975     LPBYTE      lpData;
 976     BOOL        paused = FALSE;
 977
 978     for (;;) {
 979         switch (msg->message) {
 980         case WM_QUIT:
 981             return FALSE;
 982         case WINE_MSM_STOP:
 983             TRACE("STOP\n");
 984             /* this is not quite what MS doc says... */
 985             midiOutReset(lpMidiStrm->hDevice);
 986             /* empty list of already submitted buffers */
 987             lpMidiHdr = lpMidiStrm->lpMidiHdr;
 988             lpMidiStrm->lpMidiHdr = NULL;
 989             while (lpMidiHdr) {
 990                 LPMIDIHDR lphdr = lpMidiHdr;
 991                 lpMidiHdr = lpMidiHdr->lpNext;
 992                 lphdr->dwFlags |= MHDR_DONE;
 993                 lphdr->dwFlags &= ~MHDR_INQUEUE;
 994
 995                 DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
 996                                (HDRVR)lpMidiStrm->hDevice, MM_MOM_DONE,
 997                                lpwm->mod.dwInstance, (DWORD_PTR)lphdr, 0);
 998             }
 999             return TRUE;
1000         case WINE_MSM_RESUME:
1001             /* FIXME: send out cc64 0 (turn off sustain pedal) on every channel */
1002             lpMidiStrm->dwStartTicks = GetTickCount() - lpMidiStrm->dwPositionMS;
1003             return TRUE;
1004         case WINE_MSM_PAUSE:
1005             /* FIXME: send out cc64 0 (turn off sustain pedal) on every channel */
1006             paused = TRUE;
1007             break;
1008         /* FIXME(EPP): "I don't understand the content of the first MIDIHDR sent
1009          * by native mcimidi, it doesn't look like a correct one".
1010          * this trick allows us to throw it away... but I don't like it.
1011          * It looks like part of the file I'm trying to play and definitively looks
1012          * like raw midi content.
1013          * I'd really like to understand why native mcimidi sends it. Perhaps a bad
1014          * synchronization issue where native mcimidi is still processing raw MIDI
1015          * content before generating MIDIEVENTs ?
1016          *
1017          * 4c 04 89 3b 00 81 7c 99 3b 43 00 99 23 5e 04 89 L..;..|.;C..#^..
1018          * 3b 00 00 89 23 00 7c 99 3b 45 00 99 28 62 04 89 ;...#.|.;E..(b..
1019          * 3b 00 00 89 28 00 81 7c 99 3b 4e 00 99 23 5e 04 ;...(..|.;N..#^.
1020          * 89 3b 00 00 89 23 00 7c 99 3b 45 00 99 23 78 04 .;...#.|.;E..#x.
1021          * 89 3b 00 00 89 23 00 81 7c 99 3b 48 00 99 23 5e .;...#..|.;H..#^
1022          * 04 89 3b 00 00 89 23 00 7c 99 3b 4e 00 99 28 62 ..;...#.|.;N..(b
1023          * 04 89 3b 00 00 89 28 00 81 7c 99 39 4c 00 99 23 ..;...(..|.9L..#
1024          * 5e 04 89 39 00 00 89 23 00 82 7c 99 3b 4c 00 99 ^..9...#..|.;L..
1025          * 23 5e 04 89 3b 00 00 89 23 00 7c 99 3b 48 00 99 #^..;...#.|.;H..
1026          * 28 62 04 89 3b 00 00 89 28 00 81 7c 99 3b 3f 04 (b..;...(..|.;?.
1027          * 89 3b 00 1c 99 23 5e 04 89 23 00 5c 99 3b 45 00 .;...#^..#.\.;E.
1028          * 99 23 78 04 89 3b 00 00 89 23 00 81 7c 99 3b 46 .#x..;...#..|.;F
1029          * 00 99 23 5e 04 89 3b 00 00 89 23 00 7c 99 3b 48 ..#^..;...#.|.;H
1030          * 00 99 28 62 04 89 3b 00 00 89 28 00 81 7c 99 3b ..(b..;...(..|.;
1031          * 46 00 99 23 5e 04 89 3b 00 00 89 23 00 7c 99 3b F..#^..;...#.|.;
1032          * 48 00 99 23 78 04 89 3b 00 00 89 23 00 81 7c 99 H..#x..;...#..|.
1033          * 3b 4c 00 99 23 5e 04 89 3b 00 00 89 23 00 7c 99 ;L..#^..;...#.|.
1034          */
1035         case WINE_MSM_HEADER:
1036             /* sets initial tick count for first MIDIHDR */
1037             if (!lpMidiStrm->dwStartTicks)
1038                 lpMidiStrm->dwStartTicks = GetTickCount();
1039             lpMidiHdr = (LPMIDIHDR)msg->lParam;
1040             lpData = (LPBYTE)lpMidiHdr->lpData;
1041             TRACE("Adding %s lpMidiHdr=%p [lpData=0x%p dwBytesRecorded=%u/%u dwFlags=0x%08x size=%lu]\n",
1042                   (lpMidiHdr->dwFlags & MHDR_ISSTRM) ? "stream" : "regular", lpMidiHdr,
1043                   lpData, lpMidiHdr->dwBytesRecorded, lpMidiHdr->dwBufferLength,
1044                   lpMidiHdr->dwFlags, msg->wParam);
1045 #if 0
1046             /* dumps content of lpMidiHdr->lpData
1047              * FIXME: there should be a debug routine somewhere that already does this
1048              */
1049             for (dwToGo = 0; dwToGo < lpMidiHdr->dwBufferLength; dwToGo += 16) {
1050                 DWORD       i;
1051                 BYTE        ch;
1052
1053                 for (i = 0; i < min(16, lpMidiHdr->dwBufferLength - dwToGo); i++)
1054                     printf("%02x ", lpData[dwToGo + i]);
1055                 for (; i < 16; i++)
1056                     printf("   ");
1057                 for (i = 0; i < min(16, lpMidiHdr->dwBufferLength - dwToGo); i++) {
1058                     ch = lpData[dwToGo + i];
1059                     printf("%c", (ch >= 0x20 && ch <= 0x7F) ? ch : '.');
1060                 }
1061                 printf("\n");
1062             }
1063 #endif
1064             if (((LPMIDIEVENT)lpData)->dwStreamID != 0 &&
1065                 ((LPMIDIEVENT)lpData)->dwStreamID != 0xFFFFFFFF &&
1066                 ((LPMIDIEVENT)lpData)->dwStreamID != (DWORD)lpMidiStrm) {
1067                 FIXME("Dropping bad %s lpMidiHdr (streamID=%08x)\n",
1068                       (lpMidiHdr->dwFlags & MHDR_ISSTRM) ? "stream" : "regular",
1069                       ((LPMIDIEVENT)lpData)->dwStreamID);
1070                 lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
1071                 lpMidiHdr->dwFlags |= MHDR_DONE;
1072
1073                 DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1074                                (HDRVR)lpMidiStrm->hDevice, MM_MOM_DONE,
1075                                lpwm->mod.dwInstance, (DWORD_PTR)lpMidiHdr, 0);
1076                 break;
1077             }
1078
1079             lpMidiHdr->lpNext = 0;
1080             for (lpmh = &lpMidiStrm->lpMidiHdr; *lpmh; lpmh = &(*lpmh)->lpNext);
1081             *lpmh = lpMidiHdr;
1082             break;
1083         default:
1084             FIXME("Unknown message %d\n", msg->message);
1085             break;
1086         }
1087         if (!paused)
1088             return TRUE;
1089         GetMessageA(msg, 0, 0, 0);
1090     }
1091 }
1092
1093 /**************************************************************************
1094  *                              MMSYSTEM_MidiStream_Player      [internal]
1095  */
1096 static  DWORD   CALLBACK        MMSYSTEM_MidiStream_Player(LPVOID pmt)
1097 {
1098     WINE_MIDIStream*    lpMidiStrm = pmt;
1099     WINE_MIDI*          lpwm;
1100     MSG                 msg;
1101     DWORD               dwToGo;
1102     DWORD               dwCurrTC;
1103     LPMIDIHDR           lpMidiHdr;
1104     DWORD               dwOffset;
1105
1106     TRACE("(%p)!\n", lpMidiStrm);
1107
1108     if (!lpMidiStrm ||
1109         (lpwm = (LPWINE_MIDI)MMDRV_Get(lpMidiStrm->hDevice, MMDRV_MIDIOUT, FALSE)) == NULL)
1110         goto the_end;
1111
1112     /* force thread's queue creation */
1113     PeekMessageA(&msg, 0, 0, 0, PM_NOREMOVE);
1114
1115     lpMidiStrm->dwStartTicks = 0;
1116     lpMidiStrm->dwPulses = 0;
1117
1118     lpMidiStrm->lpMidiHdr = 0;
1119
1120     /* midiStreamOpen is waiting for ack */
1121     SetEvent(lpMidiStrm->hEvent);
1122
1123 start_header:
1124     lpMidiHdr = lpMidiStrm->lpMidiHdr;
1125     if (!lpMidiHdr) {
1126         /* for first message, block until one arrives, then process all that are available */
1127         GetMessageA(&msg, 0, 0, 0);
1128         do {
1129             if (!MMSYSTEM_MidiStream_MessageHandler(lpMidiStrm, lpwm, &msg))
1130                 goto the_end;
1131         } while (PeekMessageA(&msg, 0, 0, 0, PM_REMOVE));
1132         goto start_header;
1133     }
1134
1135     dwOffset = 0;
1136     while (dwOffset + offsetof(MIDIEVENT,dwParms) <= lpMidiHdr->dwBytesRecorded) {
1137         LPMIDIEVENT me = (LPMIDIEVENT)(lpMidiHdr->lpData+dwOffset);
1138
1139         /* do we have to wait ? */
1140         if (me->dwDeltaTime) {
1141             lpMidiStrm->dwPositionMS += MMSYSTEM_MidiStream_Convert(lpMidiStrm, me->dwDeltaTime);
1142             lpMidiStrm->dwPulses += me->dwDeltaTime;
1143
1144             dwToGo = lpMidiStrm->dwStartTicks + lpMidiStrm->dwPositionMS;
1145
1146             TRACE("%u/%u/%u\n", dwToGo, GetTickCount(), me->dwDeltaTime);
1147             while (dwToGo - (dwCurrTC = GetTickCount()) <= MAXLONG) {
1148                 if (MsgWaitForMultipleObjects(0, NULL, FALSE, dwToGo - dwCurrTC, QS_ALLINPUT) == WAIT_OBJECT_0) {
1149                     /* got a message, handle it */
1150                     while (PeekMessageA(&msg, 0, 0, 0, PM_REMOVE)) {
1151                         if (!MMSYSTEM_MidiStream_MessageHandler(lpMidiStrm, lpwm, &msg))
1152                             goto the_end;
1153                         /* is lpMidiHdr still current? */
1154                         if (lpMidiHdr != lpMidiStrm->lpMidiHdr) {
1155                             goto start_header;
1156                         }
1157                     }
1158                 } else {
1159                     /* timeout, so me->dwDeltaTime is elapsed, can break the while loop */
1160                     break;
1161                 }
1162             }
1163         }
1164         switch (MEVT_EVENTTYPE(me->dwEvent & ~MEVT_F_CALLBACK)) {
1165         case MEVT_COMMENT:
1166             FIXME("NIY: MEVT_COMMENT\n");
1167             /* do nothing, skip bytes */
1168             break;
1169         case MEVT_LONGMSG:
1170             midiOutLongMsg(lpMidiStrm->hDevice, lpMidiStrm->lpMidiHdr, MEVT_EVENTPARM(me->dwEvent));
1171             break;
1172         case MEVT_NOP:
1173             break;
1174         case MEVT_SHORTMSG:
1175             midiOutShortMsg(lpMidiStrm->hDevice, MEVT_EVENTPARM(me->dwEvent));
1176             break;
1177         case MEVT_TEMPO:
1178             lpMidiStrm->dwTempo = MEVT_EVENTPARM(me->dwEvent);
1179             break;
1180         case MEVT_VERSION:
1181             break;
1182         default:
1183             FIXME("Unknown MEVT (0x%02x)\n", MEVT_EVENTTYPE(me->dwEvent & ~MEVT_F_CALLBACK));
1184             break;
1185         }
1186         if (me->dwEvent & MEVT_F_CALLBACK) {
1187             /* native fills dwOffset regardless of the cbMidiHdr size argument to midiStreamOut */
1188             lpMidiHdr->dwOffset = dwOffset;
1189             DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1190                            (HDRVR)lpMidiStrm->hDevice, MM_MOM_POSITIONCB,
1191                            lpwm->mod.dwInstance, (LPARAM)lpMidiHdr, 0L);
1192         }
1193         dwOffset += offsetof(MIDIEVENT,dwParms);
1194         if (me->dwEvent & MEVT_F_LONG)
1195             dwOffset += (MEVT_EVENTPARM(me->dwEvent) + 3) & ~3;
1196     }
1197     /* done with this header */
1198     lpMidiStrm->lpMidiHdr = lpMidiHdr->lpNext;
1199     lpMidiHdr->dwFlags |= MHDR_DONE;
1200     lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
1201
1202     DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1203                    (HDRVR)lpMidiStrm->hDevice, MM_MOM_DONE,
1204                    lpwm->mod.dwInstance, (DWORD_PTR)lpMidiHdr, 0);
1205     goto start_header;
1206
1207 the_end:
1208     TRACE("End of thread\n");
1209     return 0;
1210 }
1211
1212 /**************************************************************************
1213  *                              midiStreamClose                 [WINMM.@]
1214  */
1215 MMRESULT WINAPI midiStreamClose(HMIDISTRM hMidiStrm)
1216 {
1217     WINE_MIDIStream*    lpMidiStrm;
1218     MMRESULT            ret = 0;
1219
1220     TRACE("(%p)!\n", hMidiStrm);
1221
1222     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL))
1223         return MMSYSERR_INVALHANDLE;
1224
1225     midiStreamStop(hMidiStrm);
1226     PostThreadMessageA(lpMidiStrm->dwThreadID, WM_QUIT, 0, 0);
1227     CloseHandle(lpMidiStrm->hEvent);
1228     if (lpMidiStrm->hThread) {
1229         if (GetCurrentThreadId() != lpMidiStrm->dwThreadID)
1230             WaitForSingleObject(lpMidiStrm->hThread, INFINITE);
1231         else {
1232             FIXME("leak from call within function callback\n");
1233             ret = MMSYSERR_HANDLEBUSY; /* yet don't signal it to app */
1234         }
1235         CloseHandle(lpMidiStrm->hThread);
1236     }
1237     if(!ret)
1238         HeapFree(GetProcessHeap(), 0, lpMidiStrm);
1239
1240     return midiOutClose((HMIDIOUT)hMidiStrm);
1241 }
1242
1243 /**************************************************************************
1244  *                              midiStreamOpen                  [WINMM.@]
1245  */
1246 MMRESULT WINAPI midiStreamOpen(HMIDISTRM* lphMidiStrm, LPUINT lpuDeviceID,
1247                                DWORD cMidi, DWORD_PTR dwCallback,
1248                                DWORD_PTR dwInstance, DWORD fdwOpen)
1249 {
1250     WINE_MIDIStream*    lpMidiStrm;
1251     MMRESULT            ret;
1252     MIDIOPENSTRMID      mosm;
1253     LPWINE_MIDI         lpwm;
1254     HMIDIOUT            hMidiOut;
1255
1256     TRACE("(%p, %p, %d, 0x%08lx, 0x%08lx, 0x%08x)!\n",
1257           lphMidiStrm, lpuDeviceID, cMidi, dwCallback, dwInstance, fdwOpen);
1258
1259     if (cMidi != 1 || lphMidiStrm == NULL || lpuDeviceID == NULL)
1260         return MMSYSERR_INVALPARAM;
1261
1262     ret = WINMM_CheckCallback(dwCallback, fdwOpen, FALSE);
1263     if (ret != MMSYSERR_NOERROR)
1264         return ret;
1265
1266     lpMidiStrm = HeapAlloc(GetProcessHeap(), 0, sizeof(WINE_MIDIStream));
1267     if (!lpMidiStrm)
1268         return MMSYSERR_NOMEM;
1269
1270     lpMidiStrm->dwTempo = 500000;
1271     lpMidiStrm->dwTimeDiv = 480;        /* 480 is 120 quarter notes per minute *//* FIXME ??*/
1272     lpMidiStrm->dwPositionMS = 0;
1273
1274     mosm.dwStreamID = (DWORD)lpMidiStrm;
1275     /* FIXME: the correct value is not allocated yet for MAPPER */
1276     mosm.wDeviceID  = *lpuDeviceID;
1277     lpwm = MIDI_OutAlloc(&hMidiOut, &dwCallback, &dwInstance, &fdwOpen, 1, &mosm);
1278     if (!lpwm) {
1279         HeapFree(GetProcessHeap(), 0, lpMidiStrm);
1280         return MMSYSERR_NOMEM;
1281     }
1282     lpMidiStrm->hDevice = hMidiOut;
1283     *lphMidiStrm = (HMIDISTRM)hMidiOut;
1284
1285     lpwm->mld.uDeviceID = *lpuDeviceID;
1286
1287     ret = MMDRV_Open(&lpwm->mld, MODM_OPEN, (DWORD_PTR)&lpwm->mod, fdwOpen);
1288     if (ret != MMSYSERR_NOERROR) {
1289         MMDRV_Free(hMidiOut, &lpwm->mld);
1290         HeapFree(GetProcessHeap(), 0, lpMidiStrm);
1291         return ret;
1292     }
1293
1294     lpMidiStrm->hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
1295     lpMidiStrm->wFlags = HIWORD(fdwOpen);
1296
1297     lpMidiStrm->hThread = CreateThread(NULL, 0, MMSYSTEM_MidiStream_Player,
1298                                        lpMidiStrm, 0, &(lpMidiStrm->dwThreadID));
1299
1300     if (!lpMidiStrm->hThread) {
1301         midiStreamClose((HMIDISTRM)hMidiOut);
1302         return MMSYSERR_NOMEM;
1303     }
1304     SetThreadPriority(lpMidiStrm->hThread, THREAD_PRIORITY_TIME_CRITICAL);
1305
1306     /* wait for thread to have started, and for its queue to be created */
1307     WaitForSingleObject(lpMidiStrm->hEvent, INFINITE);
1308
1309     PostThreadMessageA(lpMidiStrm->dwThreadID, WINE_MSM_PAUSE, 0, 0);
1310
1311     TRACE("=> (%u/%d) hMidi=%p ret=%d lpMidiStrm=%p\n",
1312           *lpuDeviceID, lpwm->mld.uDeviceID, *lphMidiStrm, ret, lpMidiStrm);
1313     return ret;
1314 }
1315
1316 /**************************************************************************
1317  *                              midiStreamOut                   [WINMM.@]
1318  */
1319 MMRESULT WINAPI midiStreamOut(HMIDISTRM hMidiStrm, LPMIDIHDR lpMidiHdr,
1320                               UINT cbMidiHdr)
1321 {
1322     WINE_MIDIStream*    lpMidiStrm;
1323     DWORD               ret = MMSYSERR_NOERROR;
1324
1325     TRACE("(%p, %p, %u)!\n", hMidiStrm, lpMidiHdr, cbMidiHdr);
1326
1327     if (cbMidiHdr < offsetof(MIDIHDR,dwOffset) || !lpMidiHdr || !lpMidiHdr->lpData
1328         || lpMidiHdr->dwBufferLength < lpMidiHdr->dwBytesRecorded
1329         || lpMidiHdr->dwBytesRecorded % 4 /* player expects DWORD padding */)
1330         return MMSYSERR_INVALPARAM;
1331     /* FIXME: Native additionally checks if the MIDIEVENTs in lpData
1332      * exactly fit dwBytesRecorded. */
1333
1334     if (!(lpMidiHdr->dwFlags & MHDR_PREPARED))
1335         return MIDIERR_UNPREPARED;
1336
1337     if (lpMidiHdr->dwFlags & MHDR_INQUEUE)
1338         return MIDIERR_STILLPLAYING;
1339
1340     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
1341         ret = MMSYSERR_INVALHANDLE;
1342     } else {
1343         lpMidiHdr->dwFlags |= MHDR_ISSTRM | MHDR_INQUEUE;
1344         lpMidiHdr->dwFlags &= ~MHDR_DONE;
1345         if (!PostThreadMessageA(lpMidiStrm->dwThreadID,
1346                                 WINE_MSM_HEADER, cbMidiHdr,
1347                                 (LPARAM)lpMidiHdr)) {
1348             ERR("bad PostThreadMessageA\n");
1349             ret = MMSYSERR_ERROR;
1350         }
1351     }
1352     return ret;
1353 }
1354
1355 /**************************************************************************
1356  *                              midiStreamPause                 [WINMM.@]
1357  */
1358 MMRESULT WINAPI midiStreamPause(HMIDISTRM hMidiStrm)
1359 {
1360     WINE_MIDIStream*    lpMidiStrm;
1361     DWORD               ret = MMSYSERR_NOERROR;
1362
1363     TRACE("(%p)!\n", hMidiStrm);
1364
1365     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL))
1366         return MMSYSERR_INVALHANDLE;
1367     PostThreadMessageA(lpMidiStrm->dwThreadID, WINE_MSM_PAUSE, 0, 0);
1368     return ret;
1369 }
1370
1371 /**************************************************************************
1372  *                              midiStreamPosition              [WINMM.@]
1373  */
1374 MMRESULT WINAPI midiStreamPosition(HMIDISTRM hMidiStrm, LPMMTIME lpMMT, UINT cbmmt)
1375 {
1376     WINE_MIDIStream*    lpMidiStrm;
1377     DWORD               ret = MMSYSERR_NOERROR;
1378
1379     TRACE("(%p, %p, %u)!\n", hMidiStrm, lpMMT, cbmmt);
1380
1381     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
1382         ret = MMSYSERR_INVALHANDLE;
1383     } else if (lpMMT == NULL || cbmmt != sizeof(MMTIME)) {
1384         ret = MMSYSERR_INVALPARAM;
1385     } else {
1386         switch (lpMMT->wType) {
1387         default:
1388             FIXME("Unsupported time type %x\n", lpMMT->wType);
1389         /* fall through */
1390         case TIME_BYTES:
1391         case TIME_SAMPLES:
1392             lpMMT->wType = TIME_MS;
1393             /* fall through to alternative format */
1394         case TIME_MS:
1395             lpMMT->u.ms = lpMidiStrm->dwPositionMS;
1396             TRACE("=> %d ms\n", lpMMT->u.ms);
1397             break;
1398         case TIME_TICKS:
1399             lpMMT->u.ticks = lpMidiStrm->dwPulses;
1400             TRACE("=> %d ticks\n", lpMMT->u.ticks);
1401             break;
1402         }
1403     }
1404     return ret;
1405 }
1406
1407 /**************************************************************************
1408  *                              midiStreamProperty              [WINMM.@]
1409  */
1410 MMRESULT WINAPI midiStreamProperty(HMIDISTRM hMidiStrm, LPBYTE lpPropData, DWORD dwProperty)
1411 {
1412     WINE_MIDIStream*    lpMidiStrm;
1413     MMRESULT            ret = MMSYSERR_NOERROR;
1414
1415     TRACE("(%p, %p, %x)\n", hMidiStrm, lpPropData, dwProperty);
1416
1417     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
1418         ret = MMSYSERR_INVALHANDLE;
1419     } else if ((dwProperty & (MIDIPROP_GET|MIDIPROP_SET)) == 0) {
1420         ret = MMSYSERR_INVALPARAM;
1421     } else if (dwProperty & MIDIPROP_TEMPO) {
1422         MIDIPROPTEMPO*  mpt = (MIDIPROPTEMPO*)lpPropData;
1423
1424         if (sizeof(MIDIPROPTEMPO) != mpt->cbStruct) {
1425             ret = MMSYSERR_INVALPARAM;
1426         } else if (dwProperty & MIDIPROP_SET) {
1427             lpMidiStrm->dwTempo = mpt->dwTempo;
1428             TRACE("Setting tempo to %d\n", mpt->dwTempo);
1429         } else if (dwProperty & MIDIPROP_GET) {
1430             mpt->dwTempo = lpMidiStrm->dwTempo;
1431             TRACE("Getting tempo <= %d\n", mpt->dwTempo);
1432         }
1433     } else if (dwProperty & MIDIPROP_TIMEDIV) {
1434         MIDIPROPTIMEDIV*        mptd = (MIDIPROPTIMEDIV*)lpPropData;
1435
1436         if (sizeof(MIDIPROPTIMEDIV) != mptd->cbStruct) {
1437             ret = MMSYSERR_INVALPARAM;
1438         } else if (dwProperty & MIDIPROP_SET) {
1439             lpMidiStrm->dwTimeDiv = mptd->dwTimeDiv;
1440             TRACE("Setting time div to %d\n", mptd->dwTimeDiv);
1441         } else if (dwProperty & MIDIPROP_GET) {
1442             mptd->dwTimeDiv = lpMidiStrm->dwTimeDiv;
1443             TRACE("Getting time div <= %d\n", mptd->dwTimeDiv);
1444         }
1445     } else {
1446         ret = MMSYSERR_INVALPARAM;
1447     }
1448
1449     return ret;
1450 }
1451
1452 /**************************************************************************
1453  *                              midiStreamRestart               [WINMM.@]
1454  */
1455 MMRESULT WINAPI midiStreamRestart(HMIDISTRM hMidiStrm)
1456 {
1457     WINE_MIDIStream*    lpMidiStrm;
1458     MMRESULT            ret = MMSYSERR_NOERROR;
1459
1460     TRACE("(%p)!\n", hMidiStrm);
1461
1462     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL))
1463         return MMSYSERR_INVALHANDLE;
1464     PostThreadMessageA(lpMidiStrm->dwThreadID, WINE_MSM_RESUME, 0, 0);
1465     return ret;
1466 }
1467
1468 /**************************************************************************
1469  *                              midiStreamStop                  [WINMM.@]
1470  */
1471 MMRESULT WINAPI midiStreamStop(HMIDISTRM hMidiStrm)
1472 {
1473     WINE_MIDIStream*    lpMidiStrm;
1474     MMRESULT            ret = MMSYSERR_NOERROR;
1475
1476     TRACE("(%p)!\n", hMidiStrm);
1477
1478     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL))
1479         return MMSYSERR_INVALHANDLE;
1480     PostThreadMessageA(lpMidiStrm->dwThreadID, WINE_MSM_STOP, 0, 0);
1481     return ret;
1482 }
1483
1484 struct mm_starter
1485 {
1486     LPTASKCALLBACK      cb;
1487     DWORD               client;
1488     HANDLE              event;
1489 };
1490
1491 static DWORD WINAPI mmTaskRun(void* pmt)
1492 {
1493     struct mm_starter mms;
1494
1495     memcpy(&mms, pmt, sizeof(struct mm_starter));
1496     HeapFree(GetProcessHeap(), 0, pmt);
1497     mms.cb(mms.client);
1498     if (mms.event) SetEvent(mms.event);
1499     return 0;
1500 }
1501
1502 /******************************************************************
1503  *              mmTaskCreate (WINMM.@)
1504  */
1505 UINT     WINAPI mmTaskCreate(LPTASKCALLBACK cb, HANDLE* ph, DWORD_PTR client)
1506 {
1507     HANDLE               hThread;
1508     HANDLE               hEvent = 0;
1509     struct mm_starter   *mms;
1510
1511     mms = HeapAlloc(GetProcessHeap(), 0, sizeof(struct mm_starter));
1512     if (mms == NULL) return TASKERR_OUTOFMEMORY;
1513
1514     mms->cb = cb;
1515     mms->client = client;
1516     if (ph) hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
1517     mms->event = hEvent;
1518
1519     hThread = CreateThread(0, 0, mmTaskRun, mms, 0, NULL);
1520     if (!hThread) {
1521         HeapFree(GetProcessHeap(), 0, mms);
1522         if (hEvent) CloseHandle(hEvent);
1523         return TASKERR_OUTOFMEMORY;
1524     }
1525     SetThreadPriority(hThread, THREAD_PRIORITY_TIME_CRITICAL);
1526     if (ph) *ph = hEvent;
1527     CloseHandle(hThread);
1528     return 0;
1529 }
1530
1531 /******************************************************************
1532  *              mmTaskBlock (WINMM.@)
1533  */
1534 VOID     WINAPI mmTaskBlock(DWORD tid)
1535 {
1536     MSG         msg;
1537
1538     do
1539     {
1540         GetMessageA(&msg, 0, 0, 0);
1541         if (msg.hwnd) DispatchMessageA(&msg);
1542     } while (msg.message != WM_USER);
1543 }
1544
1545 /******************************************************************
1546  *              mmTaskSignal (WINMM.@)
1547  */
1548 BOOL     WINAPI mmTaskSignal(DWORD tid)
1549 {
1550     return PostThreadMessageW(tid, WM_USER, 0, 0);
1551 }
1552
1553 /******************************************************************
1554  *              mmTaskYield (WINMM.@)
1555  */
1556 VOID     WINAPI mmTaskYield(VOID) {}
1557
1558 /******************************************************************
1559  *              mmGetCurrentTask (WINMM.@)
1560  */
1561 DWORD    WINAPI mmGetCurrentTask(VOID)
1562 {
1563     return GetCurrentThreadId();
1564 }