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
  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 psLastEvent != NULL;
  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
 143         break;
 144     case DLL_PROCESS_DETACH:
 145         if(fImpLoad)
 146             break;
 147
 148         MCI_SendCommand(MCI_ALL_DEVICE_ID, MCI_CLOSE, MCI_WAIT, 0L);
 149         MMDRV_Exit();
 150         DRIVER_UnloadAll();
 151         WINMM_DeleteWaveform();
 152         TIME_MMTimeStop();
 153         CloseHandle(psLastEvent);
 154         DeleteCriticalSection(&WINMM_cs);
 155         break;
 156     }
 157     return TRUE;
 158 }
 159
 160 /**************************************************************************
 161  *                      WINMM_CheckCallback                     [internal]
 162  */
 163 MMRESULT WINMM_CheckCallback(DWORD_PTR dwCallback, DWORD fdwOpen, BOOL mixer)
 164 {
 165     switch (fdwOpen & CALLBACK_TYPEMASK) {
 166     case CALLBACK_NULL:     /* dwCallback need not be NULL */
 167         break;
 168     case CALLBACK_WINDOW:
 169         if (dwCallback && !IsWindow((HWND)dwCallback))
 170             return MMSYSERR_INVALPARAM;
 171         break;
 172
 173     case CALLBACK_FUNCTION:
 174         /* a NULL cb is acceptable since w2k, MMSYSERR_INVALPARAM earlier */
 175         if (mixer)
 176             return MMSYSERR_INVALFLAG; /* since w2k, MMSYSERR_NOTSUPPORTED earlier */
 177         break;
 178     case CALLBACK_THREAD:
 179     case CALLBACK_EVENT:
 180         if (mixer) /* FIXME: mixer supports THREAD+EVENT since w2k */
 181             return MMSYSERR_NOTSUPPORTED; /* w9X */
 182         break;
 183     default:
 184         WARN("Unknown callback type %d\n", HIWORD(fdwOpen));
 185     }
 186     return MMSYSERR_NOERROR;
 187 }
 188
 189 /**************************************************************************
 190  *                              auxGetNumDevs           [WINMM.@]
 191  */
 192 UINT WINAPI auxGetNumDevs(void)
 193 {
 194     return MMDRV_GetNum(MMDRV_AUX);
 195 }
 196
 197 /**************************************************************************
 198  *                              auxGetDevCapsW          [WINMM.@]
 199  */
 200 UINT WINAPI auxGetDevCapsW(UINT_PTR uDeviceID, LPAUXCAPSW lpCaps, UINT uSize)
 201 {
 202     LPWINE_MLD          wmld;
 203
 204     TRACE("(%04lX, %p, %d) !\n", uDeviceID, lpCaps, uSize);
 205
 206     if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
 207
 208     if ((wmld = MMDRV_Get((HANDLE)uDeviceID, MMDRV_AUX, TRUE)) == NULL)
 209         return MMSYSERR_BADDEVICEID;
 210     return MMDRV_Message(wmld, AUXDM_GETDEVCAPS, (DWORD_PTR)lpCaps, uSize);
 211 }
 212
 213 /**************************************************************************
 214  *                              auxGetDevCapsA          [WINMM.@]
 215  */
 216 UINT WINAPI auxGetDevCapsA(UINT_PTR uDeviceID, LPAUXCAPSA lpCaps, UINT uSize)
 217 {
 218     AUXCAPSW    acW;
 219     UINT        ret;
 220
 221     if (lpCaps == NULL)        return MMSYSERR_INVALPARAM;
 222
 223     ret = auxGetDevCapsW(uDeviceID, &acW, sizeof(acW));
 224
 225     if (ret == MMSYSERR_NOERROR) {
 226         AUXCAPSA acA;
 227         acA.wMid           = acW.wMid;
 228         acA.wPid           = acW.wPid;
 229         acA.vDriverVersion = acW.vDriverVersion;
 230         WideCharToMultiByte( CP_ACP, 0, acW.szPname, -1, acA.szPname,
 231                              sizeof(acA.szPname), NULL, NULL );
 232         acA.wTechnology    = acW.wTechnology;
 233         acA.wReserved1     = acW.wReserved1;
 234         acA.dwSupport      = acW.dwSupport;
 235         memcpy(lpCaps, &acA, min(uSize, sizeof(acA)));
 236     }
 237     return ret;
 238 }
 239
 240 /**************************************************************************
 241  *                              auxGetVolume            [WINMM.@]
 242  */
 243 UINT WINAPI auxGetVolume(UINT uDeviceID, DWORD* lpdwVolume)
 244 {
 245     LPWINE_MLD          wmld;
 246
 247     TRACE("(%04X, %p) !\n", uDeviceID, lpdwVolume);
 248
 249     if ((wmld = MMDRV_Get((HANDLE)(DWORD_PTR)uDeviceID, MMDRV_AUX, TRUE)) == NULL)
 250         return MMSYSERR_INVALHANDLE;
 251     return MMDRV_Message(wmld, AUXDM_GETVOLUME, (DWORD_PTR)lpdwVolume, 0L);
 252 }
 253
 254 /**************************************************************************
 255  *                              auxSetVolume            [WINMM.@]
 256  */
 257 UINT WINAPI auxSetVolume(UINT uDeviceID, DWORD dwVolume)
 258 {
 259     LPWINE_MLD          wmld;
 260
 261     TRACE("(%04X, %u) !\n", uDeviceID, dwVolume);
 262
 263     if ((wmld = MMDRV_Get((HANDLE)(DWORD_PTR)uDeviceID, MMDRV_AUX, TRUE)) == NULL)
 264         return MMSYSERR_INVALHANDLE;
 265     return MMDRV_Message(wmld, AUXDM_SETVOLUME, dwVolume, 0L);
 266 }
 267
 268 /**************************************************************************
 269  *                              auxOutMessage           [WINMM.@]
 270  */
 271 UINT WINAPI auxOutMessage(UINT uDeviceID, UINT uMessage, DWORD_PTR dw1, DWORD_PTR dw2)
 272 {
 273     LPWINE_MLD          wmld;
 274
 275     if ((wmld = MMDRV_Get((HANDLE)(DWORD_PTR)uDeviceID, MMDRV_AUX, TRUE)) == NULL)
 276         return MMSYSERR_INVALHANDLE;
 277
 278     return MMDRV_Message(wmld, uMessage, dw1, dw2);
 279 }
 280
 281 /**************************************************************************
 282  *                              midiOutGetNumDevs       [WINMM.@]
 283  */
 284 UINT WINAPI midiOutGetNumDevs(void)
 285 {
 286     return MMDRV_GetNum(MMDRV_MIDIOUT);
 287 }
 288
 289 /**************************************************************************
 290  *                              midiOutGetDevCapsW      [WINMM.@]
 291  */
 292 UINT WINAPI midiOutGetDevCapsW(UINT_PTR uDeviceID, LPMIDIOUTCAPSW lpCaps,
 293                                UINT uSize)
 294 {
 295     LPWINE_MLD  wmld;
 296
 297     TRACE("(%lu, %p, %u);\n", uDeviceID, lpCaps, uSize);
 298
 299     if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
 300
 301     if ((wmld = MMDRV_Get((HANDLE)uDeviceID, MMDRV_MIDIOUT, TRUE)) == NULL)
 302         return MMSYSERR_BADDEVICEID;
 303
 304     return MMDRV_Message(wmld, MODM_GETDEVCAPS, (DWORD_PTR)lpCaps, uSize);
 305 }
 306
 307 /**************************************************************************
 308  *                              midiOutGetDevCapsA      [WINMM.@]
 309  */
 310 UINT WINAPI midiOutGetDevCapsA(UINT_PTR uDeviceID, LPMIDIOUTCAPSA lpCaps,
 311                                UINT uSize)
 312 {
 313     MIDIOUTCAPSW        mocW;
 314     UINT                ret;
 315
 316     if (lpCaps == NULL)        return MMSYSERR_INVALPARAM;
 317
 318     ret = midiOutGetDevCapsW(uDeviceID, &mocW, sizeof(mocW));
 319
 320     if (ret == MMSYSERR_NOERROR) {
 321         MIDIOUTCAPSA mocA;
 322         mocA.wMid               = mocW.wMid;
 323         mocA.wPid               = mocW.wPid;
 324         mocA.vDriverVersion     = mocW.vDriverVersion;
 325         WideCharToMultiByte( CP_ACP, 0, mocW.szPname, -1, mocA.szPname,
 326                              sizeof(mocA.szPname), NULL, NULL );
 327         mocA.wTechnology        = mocW.wTechnology;
 328         mocA.wVoices            = mocW.wVoices;
 329         mocA.wNotes             = mocW.wNotes;
 330         mocA.wChannelMask       = mocW.wChannelMask;
 331         mocA.dwSupport          = mocW.dwSupport;
 332         memcpy(lpCaps, &mocA, min(uSize, sizeof(mocA)));
 333     }
 334     return ret;
 335 }
 336
 337 /**************************************************************************
 338  *                              midiOutGetErrorTextA    [WINMM.@]
 339  *                              midiInGetErrorTextA     [WINMM.@]
 340  */
 341 UINT WINAPI midiOutGetErrorTextA(UINT uError, LPSTR lpText, UINT uSize)
 342 {
 343     UINT        ret;
 344
 345     if (lpText == NULL) ret = MMSYSERR_INVALPARAM;
 346     else if (uSize == 0) ret = MMSYSERR_NOERROR;
 347     else
 348     {
 349         LPWSTR  xstr = HeapAlloc(GetProcessHeap(), 0, uSize * sizeof(WCHAR));
 350         if (!xstr) ret = MMSYSERR_NOMEM;
 351         else
 352         {
 353             ret = midiOutGetErrorTextW(uError, xstr, uSize);
 354             if (ret == MMSYSERR_NOERROR)
 355                 WideCharToMultiByte(CP_ACP, 0, xstr, -1, lpText, uSize, NULL, NULL);
 356             HeapFree(GetProcessHeap(), 0, xstr);
 357         }
 358     }
 359     return ret;
 360 }
 361
 362 /**************************************************************************
 363  *                              midiOutGetErrorTextW    [WINMM.@]
 364  *                              midiInGetErrorTextW     [WINMM.@]
 365  */
 366 UINT WINAPI midiOutGetErrorTextW(UINT uError, LPWSTR lpText, UINT uSize)
 367 {
 368     UINT        ret = MMSYSERR_BADERRNUM;
 369
 370     if (lpText == NULL) ret = MMSYSERR_INVALPARAM;
 371     else if (uSize == 0) ret = MMSYSERR_NOERROR;
 372     else if (
 373                /* test has been removed because MMSYSERR_BASE is 0, and gcc did emit
 374                 * a warning for the test was always true */
 375                (/*uError >= MMSYSERR_BASE && */ uError <= MMSYSERR_LASTERROR) ||
 376                (uError >= MIDIERR_BASE  && uError <= MIDIERR_LASTERROR)) {
 377         if (LoadStringW(hWinMM32Instance, uError, lpText, uSize) > 0) {
 378             ret = MMSYSERR_NOERROR;
 379         }
 380     }
 381     return ret;
 382 }
 383
 384 /**************************************************************************
 385  *                              MIDI_OutAlloc                   [internal]
 386  */
 387 static  LPWINE_MIDI     MIDI_OutAlloc(HMIDIOUT* lphMidiOut, DWORD_PTR* lpdwCallback,
 388                                       DWORD_PTR* lpdwInstance, LPDWORD lpdwFlags,
 389                                       DWORD cIDs, MIDIOPENSTRMID* lpIDs)
 390 {
 391     HANDLE              hMidiOut;
 392     LPWINE_MIDI         lpwm;
 393     UINT                size;
 394
 395     size = sizeof(WINE_MIDI) + (cIDs ? (cIDs-1) : 0) * sizeof(MIDIOPENSTRMID);
 396
 397     lpwm = (LPWINE_MIDI)MMDRV_Alloc(size, MMDRV_MIDIOUT, &hMidiOut, lpdwFlags,
 398                                     lpdwCallback, lpdwInstance);
 399     *lphMidiOut = hMidiOut;
 400
 401     if (lpwm) {
 402         lpwm->mod.hMidi = hMidiOut;
 403         lpwm->mod.dwCallback = *lpdwCallback;
 404         lpwm->mod.dwInstance = *lpdwInstance;
 405         lpwm->mod.dnDevNode = 0;
 406         lpwm->mod.cIds = cIDs;
 407         if (cIDs)
 408             memcpy(&(lpwm->mod.rgIds), lpIDs, cIDs * sizeof(MIDIOPENSTRMID));
 409     }
 410     return lpwm;
 411 }
 412
 413 /**************************************************************************
 414  *                              midiOutOpen             [WINMM.@]
 415  */
 416 UINT WINAPI midiOutOpen(LPHMIDIOUT lphMidiOut, UINT uDeviceID,
 417                        DWORD_PTR dwCallback, DWORD_PTR dwInstance, DWORD dwFlags)
 418 {
 419     HMIDIOUT            hMidiOut;
 420     LPWINE_MIDI         lpwm;
 421     UINT                dwRet;
 422
 423     TRACE("(%p, %d, %08lX, %08lX, %08X);\n",
 424           lphMidiOut, uDeviceID, dwCallback, dwInstance, dwFlags);
 425
 426     if (lphMidiOut != NULL) *lphMidiOut = 0;
 427
 428     dwRet = WINMM_CheckCallback(dwCallback, dwFlags, FALSE);
 429     if (dwRet != MMSYSERR_NOERROR)
 430         return dwRet;
 431
 432     lpwm = MIDI_OutAlloc(&hMidiOut, &dwCallback, &dwInstance, &dwFlags, 0, NULL);
 433
 434     if (lpwm == NULL)
 435         return MMSYSERR_NOMEM;
 436
 437     lpwm->mld.uDeviceID = uDeviceID;
 438
 439     dwRet = MMDRV_Open((LPWINE_MLD)lpwm, MODM_OPEN, (DWORD_PTR)&lpwm->mod, dwFlags);
 440
 441     if (dwRet != MMSYSERR_NOERROR) {
 442         MMDRV_Free(hMidiOut, (LPWINE_MLD)lpwm);
 443         hMidiOut = 0;
 444     }
 445
 446     if (lphMidiOut) *lphMidiOut = hMidiOut;
 447     TRACE("=> %d hMidi=%p\n", dwRet, hMidiOut);
 448
 449     return dwRet;
 450 }
 451
 452 /**************************************************************************
 453  *                              midiOutClose            [WINMM.@]
 454  */
 455 UINT WINAPI midiOutClose(HMIDIOUT hMidiOut)
 456 {
 457     LPWINE_MLD          wmld;
 458     DWORD               dwRet;
 459
 460     TRACE("(%p)\n", hMidiOut);
 461
 462     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 463         return MMSYSERR_INVALHANDLE;
 464
 465     dwRet = MMDRV_Close(wmld, MODM_CLOSE);
 466     MMDRV_Free(hMidiOut, wmld);
 467
 468     return dwRet;
 469 }
 470
 471 /**************************************************************************
 472  *                              midiOutPrepareHeader    [WINMM.@]
 473  */
 474 UINT WINAPI midiOutPrepareHeader(HMIDIOUT hMidiOut,
 475                                  MIDIHDR* lpMidiOutHdr, UINT uSize)
 476 {
 477     LPWINE_MLD          wmld;
 478
 479     TRACE("(%p, %p, %d)\n", hMidiOut, lpMidiOutHdr, uSize);
 480
 481     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 482         return MMSYSERR_INVALHANDLE;
 483     /* FIXME: detect MIDIStream handles and enforce 64KB buffer limit on those */
 484
 485     return MMDRV_Message(wmld, MODM_PREPARE, (DWORD_PTR)lpMidiOutHdr, uSize);
 486 }
 487
 488 /**************************************************************************
 489  *                              midiOutUnprepareHeader  [WINMM.@]
 490  */
 491 UINT WINAPI midiOutUnprepareHeader(HMIDIOUT hMidiOut,
 492                                    MIDIHDR* lpMidiOutHdr, UINT uSize)
 493 {
 494     LPWINE_MLD          wmld;
 495
 496     TRACE("(%p, %p, %d)\n", hMidiOut, lpMidiOutHdr, uSize);
 497
 498     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 499         return MMSYSERR_INVALHANDLE;
 500
 501     return MMDRV_Message(wmld, MODM_UNPREPARE, (DWORD_PTR)lpMidiOutHdr, uSize);
 502 }
 503
 504 /**************************************************************************
 505  *                              midiOutShortMsg         [WINMM.@]
 506  */
 507 UINT WINAPI midiOutShortMsg(HMIDIOUT hMidiOut, DWORD dwMsg)
 508 {
 509     LPWINE_MLD          wmld;
 510
 511     TRACE("(%p, %08X)\n", hMidiOut, dwMsg);
 512
 513     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 514         return MMSYSERR_INVALHANDLE;
 515
 516     return MMDRV_Message(wmld, MODM_DATA, dwMsg, 0L);
 517 }
 518
 519 /**************************************************************************
 520  *                              midiOutLongMsg          [WINMM.@]
 521  */
 522 UINT WINAPI midiOutLongMsg(HMIDIOUT hMidiOut,
 523                            MIDIHDR* lpMidiOutHdr, UINT uSize)
 524 {
 525     LPWINE_MLD          wmld;
 526
 527     TRACE("(%p, %p, %d)\n", hMidiOut, lpMidiOutHdr, uSize);
 528
 529     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 530         return MMSYSERR_INVALHANDLE;
 531
 532     return MMDRV_Message(wmld, MODM_LONGDATA, (DWORD_PTR)lpMidiOutHdr, uSize);
 533 }
 534
 535 /**************************************************************************
 536  *                              midiOutReset            [WINMM.@]
 537  */
 538 UINT WINAPI midiOutReset(HMIDIOUT hMidiOut)
 539 {
 540     LPWINE_MLD          wmld;
 541
 542     TRACE("(%p)\n", hMidiOut);
 543
 544     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 545         return MMSYSERR_INVALHANDLE;
 546
 547     return MMDRV_Message(wmld, MODM_RESET, 0L, 0L);
 548 }
 549
 550 /**************************************************************************
 551  *                              midiOutGetVolume        [WINMM.@]
 552  */
 553 UINT WINAPI midiOutGetVolume(HMIDIOUT hMidiOut, DWORD* lpdwVolume)
 554 {
 555     LPWINE_MLD          wmld;
 556
 557     TRACE("(%p, %p);\n", hMidiOut, lpdwVolume);
 558
 559     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, TRUE)) == NULL)
 560         return MMSYSERR_INVALHANDLE;
 561
 562     return MMDRV_Message(wmld, MODM_GETVOLUME, (DWORD_PTR)lpdwVolume, 0L);
 563 }
 564
 565 /**************************************************************************
 566  *                              midiOutSetVolume        [WINMM.@]
 567  */
 568 UINT WINAPI midiOutSetVolume(HMIDIOUT hMidiOut, DWORD dwVolume)
 569 {
 570     LPWINE_MLD          wmld;
 571
 572     TRACE("(%p, %d);\n", hMidiOut, dwVolume);
 573
 574     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, TRUE)) == NULL)
 575         return MMSYSERR_INVALHANDLE;
 576
 577     return MMDRV_Message(wmld, MODM_SETVOLUME, dwVolume, 0L);
 578 }
 579
 580 /**************************************************************************
 581  *                              midiOutCachePatches             [WINMM.@]
 582  */
 583 UINT WINAPI midiOutCachePatches(HMIDIOUT hMidiOut, UINT uBank,
 584                                 WORD* lpwPatchArray, UINT uFlags)
 585 {
 586     /* not really necessary to support this */
 587     FIXME("(%p, %u, %p, %x): Stub\n", hMidiOut, uBank, lpwPatchArray, uFlags);
 588     return MMSYSERR_NOTSUPPORTED;
 589 }
 590
 591 /**************************************************************************
 592  *                              midiOutCacheDrumPatches [WINMM.@]
 593  */
 594 UINT WINAPI midiOutCacheDrumPatches(HMIDIOUT hMidiOut, UINT uPatch,
 595                                     WORD* lpwKeyArray, UINT uFlags)
 596 {
 597     FIXME("(%p, %u, %p, %x): Stub\n", hMidiOut, uPatch, lpwKeyArray, uFlags);
 598     return MMSYSERR_NOTSUPPORTED;
 599 }
 600
 601 /**************************************************************************
 602  *                              midiOutGetID            [WINMM.@]
 603  */
 604 UINT WINAPI midiOutGetID(HMIDIOUT hMidiOut, UINT* lpuDeviceID)
 605 {
 606     LPWINE_MLD          wmld;
 607
 608     TRACE("(%p, %p)\n", hMidiOut, lpuDeviceID);
 609
 610     if (lpuDeviceID == NULL) return MMSYSERR_INVALPARAM;
 611     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 612         return MMSYSERR_INVALHANDLE;
 613
 614     *lpuDeviceID = wmld->uDeviceID;
 615     return MMSYSERR_NOERROR;
 616 }
 617
 618 /**************************************************************************
 619  *                              midiOutMessage          [WINMM.@]
 620  */
 621 UINT WINAPI midiOutMessage(HMIDIOUT hMidiOut, UINT uMessage,
 622                            DWORD_PTR dwParam1, DWORD_PTR dwParam2)
 623 {
 624     LPWINE_MLD          wmld;
 625
 626     TRACE("(%p, %04X, %08lX, %08lX)\n", hMidiOut, uMessage, dwParam1, dwParam2);
 627
 628     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL) {
 629         /* HACK... */
 630         if (uMessage == 0x0001) {
 631             *(LPDWORD)dwParam1 = 1;
 632             return 0;
 633         }
 634         if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, TRUE)) != NULL) {
 635             return MMDRV_PhysicalFeatures(wmld, uMessage, dwParam1, dwParam2);
 636         }
 637         return MMSYSERR_INVALHANDLE;
 638     }
 639
 640     switch (uMessage) {
 641     case MODM_OPEN:
 642     case MODM_CLOSE:
 643         FIXME("can't handle OPEN or CLOSE message!\n");
 644         return MMSYSERR_NOTSUPPORTED;
 645     }
 646     return MMDRV_Message(wmld, uMessage, dwParam1, dwParam2);
 647 }
 648
 649 /**************************************************************************
 650  *                              midiInGetNumDevs        [WINMM.@]
 651  */
 652 UINT WINAPI midiInGetNumDevs(void)
 653 {
 654     return MMDRV_GetNum(MMDRV_MIDIIN);
 655 }
 656
 657 /**************************************************************************
 658  *                              midiInGetDevCapsW       [WINMM.@]
 659  */
 660 UINT WINAPI midiInGetDevCapsW(UINT_PTR uDeviceID, LPMIDIINCAPSW lpCaps, UINT uSize)
 661 {
 662     LPWINE_MLD  wmld;
 663
 664     TRACE("(%ld, %p, %d);\n", uDeviceID, lpCaps, uSize);
 665
 666     if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
 667
 668     if ((wmld = MMDRV_Get((HANDLE)uDeviceID, MMDRV_MIDIIN, TRUE)) == NULL)
 669         return MMSYSERR_BADDEVICEID;
 670
 671    return MMDRV_Message(wmld, MIDM_GETDEVCAPS, (DWORD_PTR)lpCaps, uSize);
 672 }
 673
 674 /**************************************************************************
 675  *                              midiInGetDevCapsA       [WINMM.@]
 676  */
 677 UINT WINAPI midiInGetDevCapsA(UINT_PTR uDeviceID, LPMIDIINCAPSA lpCaps, UINT uSize)
 678 {
 679     MIDIINCAPSW         micW;
 680     UINT                ret;
 681
 682     if (lpCaps == NULL)        return MMSYSERR_INVALPARAM;
 683
 684     ret = midiInGetDevCapsW(uDeviceID, &micW, sizeof(micW));
 685
 686     if (ret == MMSYSERR_NOERROR) {
 687         MIDIINCAPSA micA;
 688         micA.wMid           = micW.wMid;
 689         micA.wPid           = micW.wPid;
 690         micA.vDriverVersion = micW.vDriverVersion;
 691         WideCharToMultiByte( CP_ACP, 0, micW.szPname, -1, micA.szPname,
 692                              sizeof(micA.szPname), NULL, NULL );
 693         micA.dwSupport      = micW.dwSupport;
 694         memcpy(lpCaps, &micA, min(uSize, sizeof(micA)));
 695     }
 696     return ret;
 697 }
 698
 699 /**************************************************************************
 700  *                              midiInOpen              [WINMM.@]
 701  */
 702 UINT WINAPI midiInOpen(HMIDIIN* lphMidiIn, UINT uDeviceID,
 703                        DWORD_PTR dwCallback, DWORD_PTR dwInstance, DWORD dwFlags)
 704 {
 705     HANDLE              hMidiIn;
 706     LPWINE_MIDI         lpwm;
 707     DWORD               dwRet;
 708
 709     TRACE("(%p, %d, %08lX, %08lX, %08X);\n",
 710           lphMidiIn, uDeviceID, dwCallback, dwInstance, dwFlags);
 711
 712     if (lphMidiIn != NULL) *lphMidiIn = 0;
 713
 714     dwRet = WINMM_CheckCallback(dwCallback, dwFlags, FALSE);
 715     if (dwRet != MMSYSERR_NOERROR)
 716         return dwRet;
 717
 718     lpwm = (LPWINE_MIDI)MMDRV_Alloc(sizeof(WINE_MIDI), MMDRV_MIDIIN, &hMidiIn,
 719                                     &dwFlags, &dwCallback, &dwInstance);
 720
 721     if (lpwm == NULL)
 722         return MMSYSERR_NOMEM;
 723
 724     lpwm->mod.hMidi = hMidiIn;
 725     lpwm->mod.dwCallback = dwCallback;
 726     lpwm->mod.dwInstance = dwInstance;
 727
 728     lpwm->mld.uDeviceID = uDeviceID;
 729     dwRet = MMDRV_Open(&lpwm->mld, MIDM_OPEN, (DWORD_PTR)&lpwm->mod, dwFlags);
 730
 731     if (dwRet != MMSYSERR_NOERROR) {
 732         MMDRV_Free(hMidiIn, &lpwm->mld);
 733         hMidiIn = 0;
 734     }
 735     if (lphMidiIn != NULL) *lphMidiIn = hMidiIn;
 736     TRACE("=> %d hMidi=%p\n", dwRet, hMidiIn);
 737
 738     return dwRet;
 739 }
 740
 741 /**************************************************************************
 742  *                              midiInClose             [WINMM.@]
 743  */
 744 UINT WINAPI midiInClose(HMIDIIN hMidiIn)
 745 {
 746     LPWINE_MLD          wmld;
 747     DWORD               dwRet;
 748
 749     TRACE("(%p)\n", hMidiIn);
 750
 751     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 752         return MMSYSERR_INVALHANDLE;
 753
 754     dwRet = MMDRV_Close(wmld, MIDM_CLOSE);
 755     MMDRV_Free(hMidiIn, wmld);
 756     return dwRet;
 757 }
 758
 759 /**************************************************************************
 760  *                              midiInPrepareHeader     [WINMM.@]
 761  */
 762 UINT WINAPI midiInPrepareHeader(HMIDIIN hMidiIn,
 763                                 MIDIHDR* lpMidiInHdr, UINT uSize)
 764 {
 765     LPWINE_MLD          wmld;
 766
 767     TRACE("(%p, %p, %d)\n", hMidiIn, lpMidiInHdr, uSize);
 768
 769     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 770         return MMSYSERR_INVALHANDLE;
 771
 772     return MMDRV_Message(wmld, MIDM_PREPARE, (DWORD_PTR)lpMidiInHdr, uSize);
 773 }
 774
 775 /**************************************************************************
 776  *                              midiInUnprepareHeader   [WINMM.@]
 777  */
 778 UINT WINAPI midiInUnprepareHeader(HMIDIIN hMidiIn,
 779                                   MIDIHDR* lpMidiInHdr, UINT uSize)
 780 {
 781     LPWINE_MLD          wmld;
 782
 783     TRACE("(%p, %p, %d)\n", hMidiIn, lpMidiInHdr, uSize);
 784
 785     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 786         return MMSYSERR_INVALHANDLE;
 787
 788     return MMDRV_Message(wmld, MIDM_UNPREPARE, (DWORD_PTR)lpMidiInHdr, uSize);
 789 }
 790
 791 /**************************************************************************
 792  *                              midiInAddBuffer         [WINMM.@]
 793  */
 794 UINT WINAPI midiInAddBuffer(HMIDIIN hMidiIn,
 795                             MIDIHDR* lpMidiInHdr, UINT uSize)
 796 {
 797     LPWINE_MLD          wmld;
 798
 799     TRACE("(%p, %p, %d)\n", hMidiIn, lpMidiInHdr, uSize);
 800
 801     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 802         return MMSYSERR_INVALHANDLE;
 803
 804     return MMDRV_Message(wmld, MIDM_ADDBUFFER, (DWORD_PTR)lpMidiInHdr, uSize);
 805 }
 806
 807 /**************************************************************************
 808  *                              midiInStart                     [WINMM.@]
 809  */
 810 UINT WINAPI midiInStart(HMIDIIN hMidiIn)
 811 {
 812     LPWINE_MLD          wmld;
 813
 814     TRACE("(%p)\n", hMidiIn);
 815
 816     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 817         return MMSYSERR_INVALHANDLE;
 818
 819     return MMDRV_Message(wmld, MIDM_START, 0L, 0L);
 820 }
 821
 822 /**************************************************************************
 823  *                              midiInStop                      [WINMM.@]
 824  */
 825 UINT WINAPI midiInStop(HMIDIIN hMidiIn)
 826 {
 827     LPWINE_MLD          wmld;
 828
 829     TRACE("(%p)\n", hMidiIn);
 830
 831     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 832         return MMSYSERR_INVALHANDLE;
 833
 834     return MMDRV_Message(wmld, MIDM_STOP, 0L, 0L);
 835 }
 836
 837 /**************************************************************************
 838  *                              midiInReset                     [WINMM.@]
 839  */
 840 UINT WINAPI midiInReset(HMIDIIN hMidiIn)
 841 {
 842     LPWINE_MLD          wmld;
 843
 844     TRACE("(%p)\n", hMidiIn);
 845
 846     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 847         return MMSYSERR_INVALHANDLE;
 848
 849     return MMDRV_Message(wmld, MIDM_RESET, 0L, 0L);
 850 }
 851
 852 /**************************************************************************
 853  *                              midiInGetID                     [WINMM.@]
 854  */
 855 UINT WINAPI midiInGetID(HMIDIIN hMidiIn, UINT* lpuDeviceID)
 856 {
 857     LPWINE_MLD          wmld;
 858
 859     TRACE("(%p, %p)\n", hMidiIn, lpuDeviceID);
 860
 861     if (lpuDeviceID == NULL) return MMSYSERR_INVALPARAM;
 862
 863     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, TRUE)) == NULL)
 864         return MMSYSERR_INVALHANDLE;
 865
 866     *lpuDeviceID = wmld->uDeviceID;
 867
 868     return MMSYSERR_NOERROR;
 869 }
 870
 871 /**************************************************************************
 872  *                              midiInMessage           [WINMM.@]
 873  */
 874 UINT WINAPI midiInMessage(HMIDIIN hMidiIn, UINT uMessage,
 875                           DWORD_PTR dwParam1, DWORD_PTR dwParam2)
 876 {
 877     LPWINE_MLD          wmld;
 878
 879     TRACE("(%p, %04X, %08lX, %08lX)\n", hMidiIn, uMessage, dwParam1, dwParam2);
 880
 881     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 882         return MMSYSERR_INVALHANDLE;
 883
 884     switch (uMessage) {
 885     case MIDM_OPEN:
 886     case MIDM_CLOSE:
 887         FIXME("can't handle OPEN or CLOSE message!\n");
 888         return MMSYSERR_NOTSUPPORTED;
 889     }
 890     return MMDRV_Message(wmld, uMessage, dwParam1, dwParam2);
 891 }
 892
 893 /**************************************************************************
 894  *                              midiConnect                     [WINMM.@]
 895  */
 896 MMRESULT WINAPI midiConnect(HMIDI hMidi, HMIDIOUT hmo, LPVOID pReserved)
 897 {
 898     FIXME("(%p, %p, %p): Stub\n", hMidi, hmo, pReserved);
 899     return MMSYSERR_ERROR;
 900 }
 901
 902 /**************************************************************************
 903  *                              midiDisconnect                  [WINMM.@]
 904  */
 905 MMRESULT WINAPI midiDisconnect(HMIDI hMidi, HMIDIOUT hmo, LPVOID pReserved)
 906 {
 907     FIXME("(%p, %p, %p): Stub\n", hMidi, hmo, pReserved);
 908     return MMSYSERR_ERROR;
 909 }
 910
 911 typedef struct WINE_MIDIStream {
 912     HMIDIOUT                    hDevice;
 913     HANDLE                      hThread;
 914     DWORD                       dwThreadID;
 915     DWORD                       dwTempo;
 916     DWORD                       dwTimeDiv;
 917     DWORD                       dwPositionMS;
 918     DWORD                       dwPulses;
 919     DWORD                       dwStartTicks;
 920     WORD                        wFlags;
 921     HANDLE                      hEvent;
 922     LPMIDIHDR                   lpMidiHdr;
 923 } WINE_MIDIStream;
 924
 925 #define WINE_MSM_HEADER         (WM_USER+0)
 926 #define WINE_MSM_STOP           (WM_USER+1)
 927 #define WINE_MSM_PAUSE          (WM_USER+2)
 928 #define WINE_MSM_RESUME         (WM_USER+3)
 929
 930 /**************************************************************************
 931  *                              MMSYSTEM_GetMidiStream          [internal]
 932  */
 933 static  BOOL    MMSYSTEM_GetMidiStream(HMIDISTRM hMidiStrm, WINE_MIDIStream** lpMidiStrm, WINE_MIDI** lplpwm)
 934 {
 935     WINE_MIDI* lpwm = (LPWINE_MIDI)MMDRV_Get(hMidiStrm, MMDRV_MIDIOUT, FALSE);
 936
 937     if (lplpwm)
 938         *lplpwm = lpwm;
 939
 940     if (lpwm == NULL) {
 941         return FALSE;
 942     }
 943
 944     *lpMidiStrm = (WINE_MIDIStream*)lpwm->mod.rgIds.dwStreamID;
 945
 946     return *lpMidiStrm != NULL;
 947 }
 948
 949 /**************************************************************************
 950  *                              MMSYSTEM_MidiStream_Convert     [internal]
 951  */
 952 static  DWORD   MMSYSTEM_MidiStream_Convert(WINE_MIDIStream* lpMidiStrm, DWORD pulse)
 953 {
 954     DWORD       ret = 0;
 955
 956     if (lpMidiStrm->dwTimeDiv == 0) {
 957         FIXME("Shouldn't happen. lpMidiStrm->dwTimeDiv = 0\n");
 958     } else if (lpMidiStrm->dwTimeDiv > 0x8000) { /* SMPTE, unchecked FIXME? */
 959         int     nf = -(char)HIBYTE(lpMidiStrm->dwTimeDiv);      /* number of frames     */
 960         int     nsf = LOBYTE(lpMidiStrm->dwTimeDiv);            /* number of sub-frames */
 961         ret = (pulse * 1000) / (nf * nsf);
 962     } else {
 963         ret = (DWORD)((double)pulse * ((double)lpMidiStrm->dwTempo / 1000) /
 964                       (double)lpMidiStrm->dwTimeDiv);
 965     }
 966
 967     return ret;
 968 }
 969
 970 /**************************************************************************
 971  *                      MMSYSTEM_MidiStream_MessageHandler      [internal]
 972  */
 973 static  BOOL    MMSYSTEM_MidiStream_MessageHandler(WINE_MIDIStream* lpMidiStrm, LPWINE_MIDI lpwm, LPMSG msg)
 974 {
 975     LPMIDIHDR   lpMidiHdr;
 976     LPMIDIHDR*  lpmh;
 977     LPBYTE      lpData;
 978     BOOL        paused = FALSE;
 979
 980     for (;;) {
 981         switch (msg->message) {
 982         case WM_QUIT:
 983             return FALSE;
 984         case WINE_MSM_STOP:
 985             TRACE("STOP\n");
 986             /* this is not quite what MS doc says... */
 987             midiOutReset(lpMidiStrm->hDevice);
 988             /* empty list of already submitted buffers */
 989             lpMidiHdr = lpMidiStrm->lpMidiHdr;
 990             lpMidiStrm->lpMidiHdr = NULL;
 991             while (lpMidiHdr) {
 992                 LPMIDIHDR lphdr = lpMidiHdr;
 993                 lpMidiHdr = lpMidiHdr->lpNext;
 994                 lphdr->dwFlags |= MHDR_DONE;
 995                 lphdr->dwFlags &= ~MHDR_INQUEUE;
 996
 997                 DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
 998                                (HDRVR)lpMidiStrm->hDevice, MM_MOM_DONE,
 999                                lpwm->mod.dwInstance, (DWORD_PTR)lphdr, 0);
1000             }
1001             return TRUE;
1002         case WINE_MSM_RESUME:
1003             /* FIXME: send out cc64 0 (turn off sustain pedal) on every channel */
1004             lpMidiStrm->dwStartTicks = GetTickCount() - lpMidiStrm->dwPositionMS;
1005             return TRUE;
1006         case WINE_MSM_PAUSE:
1007             /* FIXME: send out cc64 0 (turn off sustain pedal) on every channel */
1008             paused = TRUE;
1009             break;
1010         /* FIXME(EPP): "I don't understand the content of the first MIDIHDR sent
1011          * by native mcimidi, it doesn't look like a correct one".
1012          * this trick allows us to throw it away... but I don't like it.
1013          * It looks like part of the file I'm trying to play and definitively looks
1014          * like raw midi content.
1015          * I'd really like to understand why native mcimidi sends it. Perhaps a bad
1016          * synchronization issue where native mcimidi is still processing raw MIDI
1017          * content before generating MIDIEVENTs ?
1018          *
1019          * 4c 04 89 3b 00 81 7c 99 3b 43 00 99 23 5e 04 89 L..;..|.;C..#^..
1020          * 3b 00 00 89 23 00 7c 99 3b 45 00 99 28 62 04 89 ;...#.|.;E..(b..
1021          * 3b 00 00 89 28 00 81 7c 99 3b 4e 00 99 23 5e 04 ;...(..|.;N..#^.
1022          * 89 3b 00 00 89 23 00 7c 99 3b 45 00 99 23 78 04 .;...#.|.;E..#x.
1023          * 89 3b 00 00 89 23 00 81 7c 99 3b 48 00 99 23 5e .;...#..|.;H..#^
1024          * 04 89 3b 00 00 89 23 00 7c 99 3b 4e 00 99 28 62 ..;...#.|.;N..(b
1025          * 04 89 3b 00 00 89 28 00 81 7c 99 39 4c 00 99 23 ..;...(..|.9L..#
1026          * 5e 04 89 39 00 00 89 23 00 82 7c 99 3b 4c 00 99 ^..9...#..|.;L..
1027          * 23 5e 04 89 3b 00 00 89 23 00 7c 99 3b 48 00 99 #^..;...#.|.;H..
1028          * 28 62 04 89 3b 00 00 89 28 00 81 7c 99 3b 3f 04 (b..;...(..|.;?.
1029          * 89 3b 00 1c 99 23 5e 04 89 23 00 5c 99 3b 45 00 .;...#^..#.\.;E.
1030          * 99 23 78 04 89 3b 00 00 89 23 00 81 7c 99 3b 46 .#x..;...#..|.;F
1031          * 00 99 23 5e 04 89 3b 00 00 89 23 00 7c 99 3b 48 ..#^..;...#.|.;H
1032          * 00 99 28 62 04 89 3b 00 00 89 28 00 81 7c 99 3b ..(b..;...(..|.;
1033          * 46 00 99 23 5e 04 89 3b 00 00 89 23 00 7c 99 3b F..#^..;...#.|.;
1034          * 48 00 99 23 78 04 89 3b 00 00 89 23 00 81 7c 99 H..#x..;...#..|.
1035          * 3b 4c 00 99 23 5e 04 89 3b 00 00 89 23 00 7c 99 ;L..#^..;...#.|.
1036          */
1037         case WINE_MSM_HEADER:
1038             /* sets initial tick count for first MIDIHDR */
1039             if (!lpMidiStrm->dwStartTicks)
1040                 lpMidiStrm->dwStartTicks = GetTickCount();
1041             lpMidiHdr = (LPMIDIHDR)msg->lParam;
1042             lpData = (LPBYTE)lpMidiHdr->lpData;
1043             TRACE("Adding %s lpMidiHdr=%p [lpData=0x%p dwBytesRecorded=%u/%u dwFlags=0x%08x size=%lu]\n",
1044                   (lpMidiHdr->dwFlags & MHDR_ISSTRM) ? "stream" : "regular", lpMidiHdr,
1045                   lpData, lpMidiHdr->dwBytesRecorded, lpMidiHdr->dwBufferLength,
1046                   lpMidiHdr->dwFlags, msg->wParam);
1047 #if 0
1048             /* dumps content of lpMidiHdr->lpData
1049              * FIXME: there should be a debug routine somewhere that already does this
1050              */
1051             for (dwToGo = 0; dwToGo < lpMidiHdr->dwBufferLength; dwToGo += 16) {
1052                 DWORD       i;
1053                 BYTE        ch;
1054
1055                 for (i = 0; i < min(16, lpMidiHdr->dwBufferLength - dwToGo); i++)
1056                     printf("%02x ", lpData[dwToGo + i]);
1057                 for (; i < 16; i++)
1058                     printf("   ");
1059                 for (i = 0; i < min(16, lpMidiHdr->dwBufferLength - dwToGo); i++) {
1060                     ch = lpData[dwToGo + i];
1061                     printf("%c", (ch >= 0x20 && ch <= 0x7F) ? ch : '.');
1062                 }
1063                 printf("\n");
1064             }
1065 #endif
1066             if (((LPMIDIEVENT)lpData)->dwStreamID != 0 &&
1067                 ((LPMIDIEVENT)lpData)->dwStreamID != 0xFFFFFFFF &&
1068                 ((LPMIDIEVENT)lpData)->dwStreamID != (DWORD)lpMidiStrm) {
1069                 FIXME("Dropping bad %s lpMidiHdr (streamID=%08x)\n",
1070                       (lpMidiHdr->dwFlags & MHDR_ISSTRM) ? "stream" : "regular",
1071                       ((LPMIDIEVENT)lpData)->dwStreamID);
1072                 lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
1073                 lpMidiHdr->dwFlags |= MHDR_DONE;
1074
1075                 DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1076                                (HDRVR)lpMidiStrm->hDevice, MM_MOM_DONE,
1077                                lpwm->mod.dwInstance, (DWORD_PTR)lpMidiHdr, 0);
1078                 break;
1079             }
1080
1081             lpMidiHdr->lpNext = 0;
1082             for (lpmh = &lpMidiStrm->lpMidiHdr; *lpmh; lpmh = &(*lpmh)->lpNext);
1083             *lpmh = lpMidiHdr;
1084             break;
1085         default:
1086             FIXME("Unknown message %d\n", msg->message);
1087             break;
1088         }
1089         if (!paused)
1090             return TRUE;
1091         GetMessageA(msg, 0, 0, 0);
1092     }
1093 }
1094
1095 /**************************************************************************
1096  *                              MMSYSTEM_MidiStream_Player      [internal]
1097  */
1098 static  DWORD   CALLBACK        MMSYSTEM_MidiStream_Player(LPVOID pmt)
1099 {
1100     WINE_MIDIStream*    lpMidiStrm = pmt;
1101     WINE_MIDI*          lpwm;
1102     MSG                 msg;
1103     DWORD               dwToGo;
1104     DWORD               dwCurrTC;
1105     LPMIDIHDR           lpMidiHdr;
1106     DWORD               dwOffset;
1107
1108     TRACE("(%p)!\n", lpMidiStrm);
1109
1110     if (!lpMidiStrm ||
1111         (lpwm = (LPWINE_MIDI)MMDRV_Get(lpMidiStrm->hDevice, MMDRV_MIDIOUT, FALSE)) == NULL)
1112         goto the_end;
1113
1114     /* force thread's queue creation */
1115     PeekMessageA(&msg, 0, 0, 0, PM_NOREMOVE);
1116
1117     lpMidiStrm->dwStartTicks = 0;
1118     lpMidiStrm->dwPulses = 0;
1119
1120     lpMidiStrm->lpMidiHdr = 0;
1121
1122     /* midiStreamOpen is waiting for ack */
1123     SetEvent(lpMidiStrm->hEvent);
1124
1125 start_header:
1126     lpMidiHdr = lpMidiStrm->lpMidiHdr;
1127     if (!lpMidiHdr) {
1128         /* for first message, block until one arrives, then process all that are available */
1129         GetMessageA(&msg, 0, 0, 0);
1130         do {
1131             if (!MMSYSTEM_MidiStream_MessageHandler(lpMidiStrm, lpwm, &msg))
1132                 goto the_end;
1133         } while (PeekMessageA(&msg, 0, 0, 0, PM_REMOVE));
1134         goto start_header;
1135     }
1136
1137     dwOffset = 0;
1138     while (dwOffset + offsetof(MIDIEVENT,dwParms) <= lpMidiHdr->dwBytesRecorded) {
1139         LPMIDIEVENT me = (LPMIDIEVENT)(lpMidiHdr->lpData+dwOffset);
1140
1141         /* do we have to wait ? */
1142         if (me->dwDeltaTime) {
1143             lpMidiStrm->dwPositionMS += MMSYSTEM_MidiStream_Convert(lpMidiStrm, me->dwDeltaTime);
1144             lpMidiStrm->dwPulses += me->dwDeltaTime;
1145
1146             dwToGo = lpMidiStrm->dwStartTicks + lpMidiStrm->dwPositionMS;
1147
1148             TRACE("%u/%u/%u\n", dwToGo, GetTickCount(), me->dwDeltaTime);
1149             while (dwToGo - (dwCurrTC = GetTickCount()) <= MAXLONG) {
1150                 if (MsgWaitForMultipleObjects(0, NULL, FALSE, dwToGo - dwCurrTC, QS_ALLINPUT) == WAIT_OBJECT_0) {
1151                     /* got a message, handle it */
1152                     while (PeekMessageA(&msg, 0, 0, 0, PM_REMOVE)) {
1153                         if (!MMSYSTEM_MidiStream_MessageHandler(lpMidiStrm, lpwm, &msg))
1154                             goto the_end;
1155                         /* is lpMidiHdr still current? */
1156                         if (lpMidiHdr != lpMidiStrm->lpMidiHdr) {
1157                             goto start_header;
1158                         }
1159                     }
1160                 } else {
1161                     /* timeout, so me->dwDeltaTime is elapsed, can break the while loop */
1162                     break;
1163                 }
1164             }
1165         }
1166         switch (MEVT_EVENTTYPE(me->dwEvent & ~MEVT_F_CALLBACK)) {
1167         case MEVT_COMMENT:
1168             FIXME("NIY: MEVT_COMMENT\n");
1169             /* do nothing, skip bytes */
1170             break;
1171         case MEVT_LONGMSG:
1172             midiOutLongMsg(lpMidiStrm->hDevice, lpMidiStrm->lpMidiHdr, MEVT_EVENTPARM(me->dwEvent));
1173             break;
1174         case MEVT_NOP:
1175             break;
1176         case MEVT_SHORTMSG:
1177             midiOutShortMsg(lpMidiStrm->hDevice, MEVT_EVENTPARM(me->dwEvent));
1178             break;
1179         case MEVT_TEMPO:
1180             lpMidiStrm->dwTempo = MEVT_EVENTPARM(me->dwEvent);
1181             break;
1182         case MEVT_VERSION:
1183             break;
1184         default:
1185             FIXME("Unknown MEVT (0x%02x)\n", MEVT_EVENTTYPE(me->dwEvent & ~MEVT_F_CALLBACK));
1186             break;
1187         }
1188         if (me->dwEvent & MEVT_F_CALLBACK) {
1189             /* native fills dwOffset regardless of the cbMidiHdr size argument to midiStreamOut */
1190             lpMidiHdr->dwOffset = dwOffset;
1191             DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1192                            (HDRVR)lpMidiStrm->hDevice, MM_MOM_POSITIONCB,
1193                            lpwm->mod.dwInstance, (LPARAM)lpMidiHdr, 0L);
1194         }
1195         dwOffset += offsetof(MIDIEVENT,dwParms);
1196         if (me->dwEvent & MEVT_F_LONG)
1197             dwOffset += (MEVT_EVENTPARM(me->dwEvent) + 3) & ~3;
1198     }
1199     /* done with this header */
1200     lpMidiStrm->lpMidiHdr = lpMidiHdr->lpNext;
1201     lpMidiHdr->dwFlags |= MHDR_DONE;
1202     lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
1203
1204     DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1205                    (HDRVR)lpMidiStrm->hDevice, MM_MOM_DONE,
1206                    lpwm->mod.dwInstance, (DWORD_PTR)lpMidiHdr, 0);
1207     goto start_header;
1208
1209 the_end:
1210     TRACE("End of thread\n");
1211     return 0;
1212 }
1213
1214 /**************************************************************************
1215  *                              midiStreamClose                 [WINMM.@]
1216  */
1217 MMRESULT WINAPI midiStreamClose(HMIDISTRM hMidiStrm)
1218 {
1219     WINE_MIDIStream*    lpMidiStrm;
1220     MMRESULT            ret = 0;
1221
1222     TRACE("(%p)!\n", hMidiStrm);
1223
1224     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL))
1225         return MMSYSERR_INVALHANDLE;
1226
1227     midiStreamStop(hMidiStrm);
1228     PostThreadMessageA(lpMidiStrm->dwThreadID, WM_QUIT, 0, 0);
1229     CloseHandle(lpMidiStrm->hEvent);
1230     if (lpMidiStrm->hThread) {
1231         if (GetCurrentThreadId() != lpMidiStrm->dwThreadID)
1232             WaitForSingleObject(lpMidiStrm->hThread, INFINITE);
1233         else {
1234             FIXME("leak from call within function callback\n");
1235             ret = MMSYSERR_HANDLEBUSY; /* yet don't signal it to app */
1236         }
1237         CloseHandle(lpMidiStrm->hThread);
1238     }
1239     if(!ret)
1240         HeapFree(GetProcessHeap(), 0, lpMidiStrm);
1241
1242     return midiOutClose((HMIDIOUT)hMidiStrm);
1243 }
1244
1245 /**************************************************************************
1246  *                              midiStreamOpen                  [WINMM.@]
1247  */
1248 MMRESULT WINAPI midiStreamOpen(HMIDISTRM* lphMidiStrm, LPUINT lpuDeviceID,
1249                                DWORD cMidi, DWORD_PTR dwCallback,
1250                                DWORD_PTR dwInstance, DWORD fdwOpen)
1251 {
1252     WINE_MIDIStream*    lpMidiStrm;
1253     MMRESULT            ret;
1254     MIDIOPENSTRMID      mosm;
1255     LPWINE_MIDI         lpwm;
1256     HMIDIOUT            hMidiOut;
1257
1258     TRACE("(%p, %p, %d, 0x%08lx, 0x%08lx, 0x%08x)!\n",
1259           lphMidiStrm, lpuDeviceID, cMidi, dwCallback, dwInstance, fdwOpen);
1260
1261     if (cMidi != 1 || lphMidiStrm == NULL || lpuDeviceID == NULL)
1262         return MMSYSERR_INVALPARAM;
1263
1264     ret = WINMM_CheckCallback(dwCallback, fdwOpen, FALSE);
1265     if (ret != MMSYSERR_NOERROR)
1266         return ret;
1267
1268     lpMidiStrm = HeapAlloc(GetProcessHeap(), 0, sizeof(WINE_MIDIStream));
1269     if (!lpMidiStrm)
1270         return MMSYSERR_NOMEM;
1271
1272     lpMidiStrm->dwTempo = 500000;
1273     lpMidiStrm->dwTimeDiv = 480;        /* 480 is 120 quarter notes per minute *//* FIXME ??*/
1274     lpMidiStrm->dwPositionMS = 0;
1275
1276     mosm.dwStreamID = (DWORD)lpMidiStrm;
1277     /* FIXME: the correct value is not allocated yet for MAPPER */
1278     mosm.wDeviceID  = *lpuDeviceID;
1279     lpwm = MIDI_OutAlloc(&hMidiOut, &dwCallback, &dwInstance, &fdwOpen, 1, &mosm);
1280     if (!lpwm) {
1281         HeapFree(GetProcessHeap(), 0, lpMidiStrm);
1282         return MMSYSERR_NOMEM;
1283     }
1284     lpMidiStrm->hDevice = hMidiOut;
1285     *lphMidiStrm = (HMIDISTRM)hMidiOut;
1286
1287     lpwm->mld.uDeviceID = *lpuDeviceID;
1288
1289     ret = MMDRV_Open(&lpwm->mld, MODM_OPEN, (DWORD_PTR)&lpwm->mod, fdwOpen);
1290     if (ret != MMSYSERR_NOERROR) {
1291         MMDRV_Free(hMidiOut, &lpwm->mld);
1292         HeapFree(GetProcessHeap(), 0, lpMidiStrm);
1293         return ret;
1294     }
1295
1296     lpMidiStrm->hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
1297     lpMidiStrm->wFlags = HIWORD(fdwOpen);
1298
1299     lpMidiStrm->hThread = CreateThread(NULL, 0, MMSYSTEM_MidiStream_Player,
1300                                        lpMidiStrm, 0, &(lpMidiStrm->dwThreadID));
1301
1302     if (!lpMidiStrm->hThread) {
1303         midiStreamClose((HMIDISTRM)hMidiOut);
1304         return MMSYSERR_NOMEM;
1305     }
1306     SetThreadPriority(lpMidiStrm->hThread, THREAD_PRIORITY_TIME_CRITICAL);
1307
1308     /* wait for thread to have started, and for its queue to be created */
1309     WaitForSingleObject(lpMidiStrm->hEvent, INFINITE);
1310
1311     PostThreadMessageA(lpMidiStrm->dwThreadID, WINE_MSM_PAUSE, 0, 0);
1312
1313     TRACE("=> (%u/%d) hMidi=%p ret=%d lpMidiStrm=%p\n",
1314           *lpuDeviceID, lpwm->mld.uDeviceID, *lphMidiStrm, ret, lpMidiStrm);
1315     return ret;
1316 }
1317
1318 /**************************************************************************
1319  *                              midiStreamOut                   [WINMM.@]
1320  */
1321 MMRESULT WINAPI midiStreamOut(HMIDISTRM hMidiStrm, LPMIDIHDR lpMidiHdr,
1322                               UINT cbMidiHdr)
1323 {
1324     WINE_MIDIStream*    lpMidiStrm;
1325     DWORD               ret = MMSYSERR_NOERROR;
1326
1327     TRACE("(%p, %p, %u)!\n", hMidiStrm, lpMidiHdr, cbMidiHdr);
1328
1329     if (cbMidiHdr < offsetof(MIDIHDR,dwOffset) || !lpMidiHdr || !lpMidiHdr->lpData
1330         || lpMidiHdr->dwBufferLength < lpMidiHdr->dwBytesRecorded
1331         || lpMidiHdr->dwBytesRecorded % 4 /* player expects DWORD padding */)
1332         return MMSYSERR_INVALPARAM;
1333     /* FIXME: Native additionally checks if the MIDIEVENTs in lpData
1334      * exactly fit dwBytesRecorded. */
1335
1336     if (!(lpMidiHdr->dwFlags & MHDR_PREPARED))
1337         return MIDIERR_UNPREPARED;
1338
1339     if (lpMidiHdr->dwFlags & MHDR_INQUEUE)
1340         return MIDIERR_STILLPLAYING;
1341
1342     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
1343         ret = MMSYSERR_INVALHANDLE;
1344     } else {
1345         lpMidiHdr->dwFlags |= MHDR_ISSTRM | MHDR_INQUEUE;
1346         lpMidiHdr->dwFlags &= ~MHDR_DONE;
1347         if (!PostThreadMessageA(lpMidiStrm->dwThreadID,
1348                                 WINE_MSM_HEADER, cbMidiHdr,
1349                                 (LPARAM)lpMidiHdr)) {
1350             ERR("bad PostThreadMessageA\n");
1351             ret = MMSYSERR_ERROR;
1352         }
1353     }
1354     return ret;
1355 }
1356
1357 /**************************************************************************
1358  *                              midiStreamPause                 [WINMM.@]
1359  */
1360 MMRESULT WINAPI midiStreamPause(HMIDISTRM hMidiStrm)
1361 {
1362     WINE_MIDIStream*    lpMidiStrm;
1363     DWORD               ret = MMSYSERR_NOERROR;
1364
1365     TRACE("(%p)!\n", hMidiStrm);
1366
1367     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL))
1368         return MMSYSERR_INVALHANDLE;
1369     PostThreadMessageA(lpMidiStrm->dwThreadID, WINE_MSM_PAUSE, 0, 0);
1370     return ret;
1371 }
1372
1373 /**************************************************************************
1374  *                              midiStreamPosition              [WINMM.@]
1375  */
1376 MMRESULT WINAPI midiStreamPosition(HMIDISTRM hMidiStrm, LPMMTIME lpMMT, UINT cbmmt)
1377 {
1378     WINE_MIDIStream*    lpMidiStrm;
1379     DWORD               ret = MMSYSERR_NOERROR;
1380
1381     TRACE("(%p, %p, %u)!\n", hMidiStrm, lpMMT, cbmmt);
1382
1383     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
1384         ret = MMSYSERR_INVALHANDLE;
1385     } else if (lpMMT == NULL || cbmmt != sizeof(MMTIME)) {
1386         ret = MMSYSERR_INVALPARAM;
1387     } else {
1388         switch (lpMMT->wType) {
1389         default:
1390             FIXME("Unsupported time type %x\n", lpMMT->wType);
1391         /* fall through */
1392         case TIME_BYTES:
1393         case TIME_SAMPLES:
1394             lpMMT->wType = TIME_MS;
1395             /* fall through to alternative format */
1396         case TIME_MS:
1397             lpMMT->u.ms = lpMidiStrm->dwPositionMS;
1398             TRACE("=> %d ms\n", lpMMT->u.ms);
1399             break;
1400         case TIME_TICKS:
1401             lpMMT->u.ticks = lpMidiStrm->dwPulses;
1402             TRACE("=> %d ticks\n", lpMMT->u.ticks);
1403             break;
1404         }
1405     }
1406     return ret;
1407 }
1408
1409 /**************************************************************************
1410  *                              midiStreamProperty              [WINMM.@]
1411  */
1412 MMRESULT WINAPI midiStreamProperty(HMIDISTRM hMidiStrm, LPBYTE lpPropData, DWORD dwProperty)
1413 {
1414     WINE_MIDIStream*    lpMidiStrm;
1415     MMRESULT            ret = MMSYSERR_NOERROR;
1416
1417     TRACE("(%p, %p, %x)\n", hMidiStrm, lpPropData, dwProperty);
1418
1419     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
1420         ret = MMSYSERR_INVALHANDLE;
1421     } else if ((dwProperty & (MIDIPROP_GET|MIDIPROP_SET)) == 0) {
1422         ret = MMSYSERR_INVALPARAM;
1423     } else if (dwProperty & MIDIPROP_TEMPO) {
1424         MIDIPROPTEMPO*  mpt = (MIDIPROPTEMPO*)lpPropData;
1425
1426         if (sizeof(MIDIPROPTEMPO) != mpt->cbStruct) {
1427             ret = MMSYSERR_INVALPARAM;
1428         } else if (dwProperty & MIDIPROP_SET) {
1429             lpMidiStrm->dwTempo = mpt->dwTempo;
1430             TRACE("Setting tempo to %d\n", mpt->dwTempo);
1431         } else if (dwProperty & MIDIPROP_GET) {
1432             mpt->dwTempo = lpMidiStrm->dwTempo;
1433             TRACE("Getting tempo <= %d\n", mpt->dwTempo);
1434         }
1435     } else if (dwProperty & MIDIPROP_TIMEDIV) {
1436         MIDIPROPTIMEDIV*        mptd = (MIDIPROPTIMEDIV*)lpPropData;
1437
1438         if (sizeof(MIDIPROPTIMEDIV) != mptd->cbStruct) {
1439             ret = MMSYSERR_INVALPARAM;
1440         } else if (dwProperty & MIDIPROP_SET) {
1441             lpMidiStrm->dwTimeDiv = mptd->dwTimeDiv;
1442             TRACE("Setting time div to %d\n", mptd->dwTimeDiv);
1443         } else if (dwProperty & MIDIPROP_GET) {
1444             mptd->dwTimeDiv = lpMidiStrm->dwTimeDiv;
1445             TRACE("Getting time div <= %d\n", mptd->dwTimeDiv);
1446         }
1447     } else {
1448         ret = MMSYSERR_INVALPARAM;
1449     }
1450
1451     return ret;
1452 }
1453
1454 /**************************************************************************
1455  *                              midiStreamRestart               [WINMM.@]
1456  */
1457 MMRESULT WINAPI midiStreamRestart(HMIDISTRM hMidiStrm)
1458 {
1459     WINE_MIDIStream*    lpMidiStrm;
1460     MMRESULT            ret = MMSYSERR_NOERROR;
1461
1462     TRACE("(%p)!\n", hMidiStrm);
1463
1464     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL))
1465         return MMSYSERR_INVALHANDLE;
1466     PostThreadMessageA(lpMidiStrm->dwThreadID, WINE_MSM_RESUME, 0, 0);
1467     return ret;
1468 }
1469
1470 /**************************************************************************
1471  *                              midiStreamStop                  [WINMM.@]
1472  */
1473 MMRESULT WINAPI midiStreamStop(HMIDISTRM hMidiStrm)
1474 {
1475     WINE_MIDIStream*    lpMidiStrm;
1476     MMRESULT            ret = MMSYSERR_NOERROR;
1477
1478     TRACE("(%p)!\n", hMidiStrm);
1479
1480     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL))
1481         return MMSYSERR_INVALHANDLE;
1482     PostThreadMessageA(lpMidiStrm->dwThreadID, WINE_MSM_STOP, 0, 0);
1483     return ret;
1484 }
1485
1486 struct mm_starter
1487 {
1488     LPTASKCALLBACK      cb;
1489     DWORD               client;
1490     HANDLE              event;
1491 };
1492
1493 static DWORD WINAPI mmTaskRun(void* pmt)
1494 {
1495     struct mm_starter mms;
1496
1497     memcpy(&mms, pmt, sizeof(struct mm_starter));
1498     HeapFree(GetProcessHeap(), 0, pmt);
1499     mms.cb(mms.client);
1500     if (mms.event) SetEvent(mms.event);
1501     return 0;
1502 }
1503
1504 /******************************************************************
1505  *              mmTaskCreate (WINMM.@)
1506  */
1507 UINT     WINAPI mmTaskCreate(LPTASKCALLBACK cb, HANDLE* ph, DWORD_PTR client)
1508 {
1509     HANDLE               hThread;
1510     HANDLE               hEvent = 0;
1511     struct mm_starter   *mms;
1512
1513     mms = HeapAlloc(GetProcessHeap(), 0, sizeof(struct mm_starter));
1514     if (mms == NULL) return TASKERR_OUTOFMEMORY;
1515
1516     mms->cb = cb;
1517     mms->client = client;
1518     if (ph) hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
1519     mms->event = hEvent;
1520
1521     hThread = CreateThread(0, 0, mmTaskRun, mms, 0, NULL);
1522     if (!hThread) {
1523         HeapFree(GetProcessHeap(), 0, mms);
1524         if (hEvent) CloseHandle(hEvent);
1525         return TASKERR_OUTOFMEMORY;
1526     }
1527     SetThreadPriority(hThread, THREAD_PRIORITY_TIME_CRITICAL);
1528     if (ph) *ph = hEvent;
1529     CloseHandle(hThread);
1530     return 0;
1531 }
1532
1533 /******************************************************************
1534  *              mmTaskBlock (WINMM.@)
1535  */
1536 VOID     WINAPI mmTaskBlock(DWORD tid)
1537 {
1538     MSG         msg;
1539
1540     do
1541     {
1542         GetMessageA(&msg, 0, 0, 0);
1543         if (msg.hwnd) DispatchMessageA(&msg);
1544     } while (msg.message != WM_USER);
1545 }
1546
1547 /******************************************************************
1548  *              mmTaskSignal (WINMM.@)
1549  */
1550 BOOL     WINAPI mmTaskSignal(DWORD tid)
1551 {
1552     return PostThreadMessageW(tid, WM_USER, 0, 0);
1553 }
1554
1555 /******************************************************************
1556  *              mmTaskYield (WINMM.@)
1557  */
1558 VOID     WINAPI mmTaskYield(VOID) {}
1559
1560 /******************************************************************
1561  *              mmGetCurrentTask (WINMM.@)
1562  */
1563 DWORD    WINAPI mmGetCurrentTask(VOID)
1564 {
1565     return GetCurrentThreadId();
1566 }