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 (lpMidiOutHdr == NULL || uSize < offsetof(MIDIHDR,dwOffset))
 480         return MMSYSERR_INVALPARAM;
 481
 482     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 483         return MMSYSERR_INVALHANDLE;
 484     /* FIXME: detect MIDIStream handles and enforce 64KB buffer limit on those */
 485
 486     return MMDRV_Message(wmld, MODM_PREPARE, (DWORD_PTR)lpMidiOutHdr, uSize);
 487 }
 488
 489 /**************************************************************************
 490  *                              midiOutUnprepareHeader  [WINMM.@]
 491  */
 492 UINT WINAPI midiOutUnprepareHeader(HMIDIOUT hMidiOut,
 493                                    MIDIHDR* lpMidiOutHdr, UINT uSize)
 494 {
 495     LPWINE_MLD          wmld;
 496
 497     TRACE("(%p, %p, %d)\n", hMidiOut, lpMidiOutHdr, uSize);
 498
 499     if (lpMidiOutHdr == NULL || uSize < offsetof(MIDIHDR,dwOffset))
 500         return MMSYSERR_INVALPARAM;
 501
 502     if (!(lpMidiOutHdr->dwFlags & MHDR_PREPARED)) {
 503         return MMSYSERR_NOERROR;
 504     }
 505
 506     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 507         return MMSYSERR_INVALHANDLE;
 508
 509     return MMDRV_Message(wmld, MODM_UNPREPARE, (DWORD_PTR)lpMidiOutHdr, uSize);
 510 }
 511
 512 /**************************************************************************
 513  *                              midiOutShortMsg         [WINMM.@]
 514  */
 515 UINT WINAPI midiOutShortMsg(HMIDIOUT hMidiOut, DWORD dwMsg)
 516 {
 517     LPWINE_MLD          wmld;
 518
 519     TRACE("(%p, %08X)\n", hMidiOut, dwMsg);
 520
 521     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 522         return MMSYSERR_INVALHANDLE;
 523
 524     return MMDRV_Message(wmld, MODM_DATA, dwMsg, 0L);
 525 }
 526
 527 /**************************************************************************
 528  *                              midiOutLongMsg          [WINMM.@]
 529  */
 530 UINT WINAPI midiOutLongMsg(HMIDIOUT hMidiOut,
 531                            MIDIHDR* lpMidiOutHdr, UINT uSize)
 532 {
 533     LPWINE_MLD          wmld;
 534
 535     TRACE("(%p, %p, %d)\n", hMidiOut, lpMidiOutHdr, uSize);
 536
 537     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 538         return MMSYSERR_INVALHANDLE;
 539
 540     return MMDRV_Message(wmld, MODM_LONGDATA, (DWORD_PTR)lpMidiOutHdr, uSize);
 541 }
 542
 543 /**************************************************************************
 544  *                              midiOutReset            [WINMM.@]
 545  */
 546 UINT WINAPI midiOutReset(HMIDIOUT hMidiOut)
 547 {
 548     LPWINE_MLD          wmld;
 549
 550     TRACE("(%p)\n", hMidiOut);
 551
 552     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 553         return MMSYSERR_INVALHANDLE;
 554
 555     return MMDRV_Message(wmld, MODM_RESET, 0L, 0L);
 556 }
 557
 558 /**************************************************************************
 559  *                              midiOutGetVolume        [WINMM.@]
 560  */
 561 UINT WINAPI midiOutGetVolume(HMIDIOUT hMidiOut, DWORD* lpdwVolume)
 562 {
 563     LPWINE_MLD          wmld;
 564
 565     TRACE("(%p, %p);\n", hMidiOut, lpdwVolume);
 566
 567     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, TRUE)) == NULL)
 568         return MMSYSERR_INVALHANDLE;
 569
 570     return MMDRV_Message(wmld, MODM_GETVOLUME, (DWORD_PTR)lpdwVolume, 0L);
 571 }
 572
 573 /**************************************************************************
 574  *                              midiOutSetVolume        [WINMM.@]
 575  */
 576 UINT WINAPI midiOutSetVolume(HMIDIOUT hMidiOut, DWORD dwVolume)
 577 {
 578     LPWINE_MLD          wmld;
 579
 580     TRACE("(%p, %d);\n", hMidiOut, dwVolume);
 581
 582     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, TRUE)) == NULL)
 583         return MMSYSERR_INVALHANDLE;
 584
 585     return MMDRV_Message(wmld, MODM_SETVOLUME, dwVolume, 0L);
 586 }
 587
 588 /**************************************************************************
 589  *                              midiOutCachePatches             [WINMM.@]
 590  */
 591 UINT WINAPI midiOutCachePatches(HMIDIOUT hMidiOut, UINT uBank,
 592                                 WORD* lpwPatchArray, UINT uFlags)
 593 {
 594     /* not really necessary to support this */
 595     FIXME("not supported yet\n");
 596     return MMSYSERR_NOTSUPPORTED;
 597 }
 598
 599 /**************************************************************************
 600  *                              midiOutCacheDrumPatches [WINMM.@]
 601  */
 602 UINT WINAPI midiOutCacheDrumPatches(HMIDIOUT hMidiOut, UINT uPatch,
 603                                     WORD* lpwKeyArray, UINT uFlags)
 604 {
 605     FIXME("not supported yet\n");
 606     return MMSYSERR_NOTSUPPORTED;
 607 }
 608
 609 /**************************************************************************
 610  *                              midiOutGetID            [WINMM.@]
 611  */
 612 UINT WINAPI midiOutGetID(HMIDIOUT hMidiOut, UINT* lpuDeviceID)
 613 {
 614     LPWINE_MLD          wmld;
 615
 616     TRACE("(%p, %p)\n", hMidiOut, lpuDeviceID);
 617
 618     if (lpuDeviceID == NULL) return MMSYSERR_INVALPARAM;
 619     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 620         return MMSYSERR_INVALHANDLE;
 621
 622     *lpuDeviceID = wmld->uDeviceID;
 623     return MMSYSERR_NOERROR;
 624 }
 625
 626 /**************************************************************************
 627  *                              midiOutMessage          [WINMM.@]
 628  */
 629 UINT WINAPI midiOutMessage(HMIDIOUT hMidiOut, UINT uMessage,
 630                            DWORD_PTR dwParam1, DWORD_PTR dwParam2)
 631 {
 632     LPWINE_MLD          wmld;
 633
 634     TRACE("(%p, %04X, %08lX, %08lX)\n", hMidiOut, uMessage, dwParam1, dwParam2);
 635
 636     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL) {
 637         /* HACK... */
 638         if (uMessage == 0x0001) {
 639             *(LPDWORD)dwParam1 = 1;
 640             return 0;
 641         }
 642         if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, TRUE)) != NULL) {
 643             return MMDRV_PhysicalFeatures(wmld, uMessage, dwParam1, dwParam2);
 644         }
 645         return MMSYSERR_INVALHANDLE;
 646     }
 647
 648     switch (uMessage) {
 649     case MODM_OPEN:
 650     case MODM_CLOSE:
 651         FIXME("can't handle OPEN or CLOSE message!\n");
 652         return MMSYSERR_NOTSUPPORTED;
 653     }
 654     return MMDRV_Message(wmld, uMessage, dwParam1, dwParam2);
 655 }
 656
 657 /**************************************************************************
 658  *                              midiInGetNumDevs        [WINMM.@]
 659  */
 660 UINT WINAPI midiInGetNumDevs(void)
 661 {
 662     return MMDRV_GetNum(MMDRV_MIDIIN);
 663 }
 664
 665 /**************************************************************************
 666  *                              midiInGetDevCapsW       [WINMM.@]
 667  */
 668 UINT WINAPI midiInGetDevCapsW(UINT_PTR uDeviceID, LPMIDIINCAPSW lpCaps, UINT uSize)
 669 {
 670     LPWINE_MLD  wmld;
 671
 672     TRACE("(%ld, %p, %d);\n", uDeviceID, lpCaps, uSize);
 673
 674     if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
 675
 676     if ((wmld = MMDRV_Get((HANDLE)uDeviceID, MMDRV_MIDIIN, TRUE)) == NULL)
 677         return MMSYSERR_BADDEVICEID;
 678
 679    return MMDRV_Message(wmld, MIDM_GETDEVCAPS, (DWORD_PTR)lpCaps, uSize);
 680 }
 681
 682 /**************************************************************************
 683  *                              midiInGetDevCapsA       [WINMM.@]
 684  */
 685 UINT WINAPI midiInGetDevCapsA(UINT_PTR uDeviceID, LPMIDIINCAPSA lpCaps, UINT uSize)
 686 {
 687     MIDIINCAPSW         micW;
 688     UINT                ret;
 689
 690     if (lpCaps == NULL)        return MMSYSERR_INVALPARAM;
 691
 692     ret = midiInGetDevCapsW(uDeviceID, &micW, sizeof(micW));
 693
 694     if (ret == MMSYSERR_NOERROR) {
 695         MIDIINCAPSA micA;
 696         micA.wMid           = micW.wMid;
 697         micA.wPid           = micW.wPid;
 698         micA.vDriverVersion = micW.vDriverVersion;
 699         WideCharToMultiByte( CP_ACP, 0, micW.szPname, -1, micA.szPname,
 700                              sizeof(micA.szPname), NULL, NULL );
 701         micA.dwSupport      = micW.dwSupport;
 702         memcpy(lpCaps, &micA, min(uSize, sizeof(micA)));
 703     }
 704     return ret;
 705 }
 706
 707 /**************************************************************************
 708  *                              midiInOpen              [WINMM.@]
 709  */
 710 UINT WINAPI midiInOpen(HMIDIIN* lphMidiIn, UINT uDeviceID,
 711                        DWORD_PTR dwCallback, DWORD_PTR dwInstance, DWORD dwFlags)
 712 {
 713     HANDLE              hMidiIn;
 714     LPWINE_MIDI         lpwm;
 715     DWORD               dwRet;
 716
 717     TRACE("(%p, %d, %08lX, %08lX, %08X);\n",
 718           lphMidiIn, uDeviceID, dwCallback, dwInstance, dwFlags);
 719
 720     if (lphMidiIn != NULL) *lphMidiIn = 0;
 721
 722     dwRet = WINMM_CheckCallback(dwCallback, dwFlags, FALSE);
 723     if (dwRet != MMSYSERR_NOERROR)
 724         return dwRet;
 725
 726     lpwm = (LPWINE_MIDI)MMDRV_Alloc(sizeof(WINE_MIDI), MMDRV_MIDIIN, &hMidiIn,
 727                                     &dwFlags, &dwCallback, &dwInstance);
 728
 729     if (lpwm == NULL)
 730         return MMSYSERR_NOMEM;
 731
 732     lpwm->mod.hMidi = hMidiIn;
 733     lpwm->mod.dwCallback = dwCallback;
 734     lpwm->mod.dwInstance = dwInstance;
 735
 736     lpwm->mld.uDeviceID = uDeviceID;
 737     dwRet = MMDRV_Open(&lpwm->mld, MIDM_OPEN, (DWORD_PTR)&lpwm->mod, dwFlags);
 738
 739     if (dwRet != MMSYSERR_NOERROR) {
 740         MMDRV_Free(hMidiIn, &lpwm->mld);
 741         hMidiIn = 0;
 742     }
 743     if (lphMidiIn != NULL) *lphMidiIn = hMidiIn;
 744     TRACE("=> %d hMidi=%p\n", dwRet, hMidiIn);
 745
 746     return dwRet;
 747 }
 748
 749 /**************************************************************************
 750  *                              midiInClose             [WINMM.@]
 751  */
 752 UINT WINAPI midiInClose(HMIDIIN hMidiIn)
 753 {
 754     LPWINE_MLD          wmld;
 755     DWORD               dwRet;
 756
 757     TRACE("(%p)\n", hMidiIn);
 758
 759     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 760         return MMSYSERR_INVALHANDLE;
 761
 762     dwRet = MMDRV_Close(wmld, MIDM_CLOSE);
 763     MMDRV_Free(hMidiIn, wmld);
 764     return dwRet;
 765 }
 766
 767 /**************************************************************************
 768  *                              midiInPrepareHeader     [WINMM.@]
 769  */
 770 UINT WINAPI midiInPrepareHeader(HMIDIIN hMidiIn,
 771                                 MIDIHDR* lpMidiInHdr, UINT uSize)
 772 {
 773     LPWINE_MLD          wmld;
 774
 775     TRACE("(%p, %p, %d)\n", hMidiIn, lpMidiInHdr, uSize);
 776
 777     if (lpMidiInHdr == NULL || uSize < offsetof(MIDIHDR,dwOffset))
 778         return MMSYSERR_INVALPARAM;
 779
 780     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 781         return MMSYSERR_INVALHANDLE;
 782
 783     return MMDRV_Message(wmld, MIDM_PREPARE, (DWORD_PTR)lpMidiInHdr, uSize);
 784 }
 785
 786 /**************************************************************************
 787  *                              midiInUnprepareHeader   [WINMM.@]
 788  */
 789 UINT WINAPI midiInUnprepareHeader(HMIDIIN hMidiIn,
 790                                   MIDIHDR* lpMidiInHdr, UINT uSize)
 791 {
 792     LPWINE_MLD          wmld;
 793
 794     TRACE("(%p, %p, %d)\n", hMidiIn, lpMidiInHdr, uSize);
 795
 796     if (lpMidiInHdr == NULL || uSize < offsetof(MIDIHDR,dwOffset))
 797         return MMSYSERR_INVALPARAM;
 798
 799     if (!(lpMidiInHdr->dwFlags & MHDR_PREPARED)) {
 800         return MMSYSERR_NOERROR;
 801     }
 802
 803     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 804         return MMSYSERR_INVALHANDLE;
 805
 806     return MMDRV_Message(wmld, MIDM_UNPREPARE, (DWORD_PTR)lpMidiInHdr, uSize);
 807 }
 808
 809 /**************************************************************************
 810  *                              midiInAddBuffer         [WINMM.@]
 811  */
 812 UINT WINAPI midiInAddBuffer(HMIDIIN hMidiIn,
 813                             MIDIHDR* lpMidiInHdr, UINT uSize)
 814 {
 815     LPWINE_MLD          wmld;
 816
 817     TRACE("(%p, %p, %d)\n", hMidiIn, lpMidiInHdr, uSize);
 818
 819     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 820         return MMSYSERR_INVALHANDLE;
 821
 822     return MMDRV_Message(wmld, MIDM_ADDBUFFER, (DWORD_PTR)lpMidiInHdr, uSize);
 823 }
 824
 825 /**************************************************************************
 826  *                              midiInStart                     [WINMM.@]
 827  */
 828 UINT WINAPI midiInStart(HMIDIIN hMidiIn)
 829 {
 830     LPWINE_MLD          wmld;
 831
 832     TRACE("(%p)\n", hMidiIn);
 833
 834     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 835         return MMSYSERR_INVALHANDLE;
 836
 837     return MMDRV_Message(wmld, MIDM_START, 0L, 0L);
 838 }
 839
 840 /**************************************************************************
 841  *                              midiInStop                      [WINMM.@]
 842  */
 843 UINT WINAPI midiInStop(HMIDIIN hMidiIn)
 844 {
 845     LPWINE_MLD          wmld;
 846
 847     TRACE("(%p)\n", hMidiIn);
 848
 849     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 850         return MMSYSERR_INVALHANDLE;
 851
 852     return MMDRV_Message(wmld, MIDM_STOP, 0L, 0L);
 853 }
 854
 855 /**************************************************************************
 856  *                              midiInReset                     [WINMM.@]
 857  */
 858 UINT WINAPI midiInReset(HMIDIIN hMidiIn)
 859 {
 860     LPWINE_MLD          wmld;
 861
 862     TRACE("(%p)\n", hMidiIn);
 863
 864     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 865         return MMSYSERR_INVALHANDLE;
 866
 867     return MMDRV_Message(wmld, MIDM_RESET, 0L, 0L);
 868 }
 869
 870 /**************************************************************************
 871  *                              midiInGetID                     [WINMM.@]
 872  */
 873 UINT WINAPI midiInGetID(HMIDIIN hMidiIn, UINT* lpuDeviceID)
 874 {
 875     LPWINE_MLD          wmld;
 876
 877     TRACE("(%p, %p)\n", hMidiIn, lpuDeviceID);
 878
 879     if (lpuDeviceID == NULL) return MMSYSERR_INVALPARAM;
 880
 881     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, TRUE)) == NULL)
 882         return MMSYSERR_INVALHANDLE;
 883
 884     *lpuDeviceID = wmld->uDeviceID;
 885
 886     return MMSYSERR_NOERROR;
 887 }
 888
 889 /**************************************************************************
 890  *                              midiInMessage           [WINMM.@]
 891  */
 892 UINT WINAPI midiInMessage(HMIDIIN hMidiIn, UINT uMessage,
 893                           DWORD_PTR dwParam1, DWORD_PTR dwParam2)
 894 {
 895     LPWINE_MLD          wmld;
 896
 897     TRACE("(%p, %04X, %08lX, %08lX)\n", hMidiIn, uMessage, dwParam1, dwParam2);
 898
 899     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 900         return MMSYSERR_INVALHANDLE;
 901
 902     switch (uMessage) {
 903     case MIDM_OPEN:
 904     case MIDM_CLOSE:
 905         FIXME("can't handle OPEN or CLOSE message!\n");
 906         return MMSYSERR_NOTSUPPORTED;
 907     }
 908     return MMDRV_Message(wmld, uMessage, dwParam1, dwParam2);
 909 }
 910
 911 /**************************************************************************
 912  *                              midiConnect                     [WINMM.@]
 913  */
 914 MMRESULT WINAPI midiConnect(HMIDI hMidi, HMIDIOUT hmo, LPVOID pReserved)
 915 {
 916     FIXME("(%p, %p, %p): Stub\n", hMidi, hmo, pReserved);
 917     return MMSYSERR_ERROR;
 918 }
 919
 920 /**************************************************************************
 921  *                              midiDisconnect                  [WINMM.@]
 922  */
 923 MMRESULT WINAPI midiDisconnect(HMIDI hMidi, HMIDIOUT hmo, LPVOID pReserved)
 924 {
 925     FIXME("(%p, %p, %p): Stub\n", hMidi, hmo, pReserved);
 926     return MMSYSERR_ERROR;
 927 }
 928
 929 typedef struct WINE_MIDIStream {
 930     HMIDIOUT                    hDevice;
 931     HANDLE                      hThread;
 932     DWORD                       dwThreadID;
 933     DWORD                       dwTempo;
 934     DWORD                       dwTimeDiv;
 935     DWORD                       dwPositionMS;
 936     DWORD                       dwPulses;
 937     DWORD                       dwStartTicks;
 938     WORD                        wFlags;
 939     HANDLE                      hEvent;
 940     LPMIDIHDR                   lpMidiHdr;
 941 } WINE_MIDIStream;
 942
 943 #define WINE_MSM_HEADER         (WM_USER+0)
 944 #define WINE_MSM_STOP           (WM_USER+1)
 945 #define WINE_MSM_PAUSE          (WM_USER+2)
 946 #define WINE_MSM_RESUME         (WM_USER+3)
 947
 948 /**************************************************************************
 949  *                              MMSYSTEM_GetMidiStream          [internal]
 950  */
 951 static  BOOL    MMSYSTEM_GetMidiStream(HMIDISTRM hMidiStrm, WINE_MIDIStream** lpMidiStrm, WINE_MIDI** lplpwm)
 952 {
 953     WINE_MIDI* lpwm = (LPWINE_MIDI)MMDRV_Get(hMidiStrm, MMDRV_MIDIOUT, FALSE);
 954
 955     if (lplpwm)
 956         *lplpwm = lpwm;
 957
 958     if (lpwm == NULL) {
 959         return FALSE;
 960     }
 961
 962     *lpMidiStrm = (WINE_MIDIStream*)lpwm->mod.rgIds.dwStreamID;
 963
 964     return *lpMidiStrm != NULL;
 965 }
 966
 967 /**************************************************************************
 968  *                              MMSYSTEM_MidiStream_Convert     [internal]
 969  */
 970 static  DWORD   MMSYSTEM_MidiStream_Convert(WINE_MIDIStream* lpMidiStrm, DWORD pulse)
 971 {
 972     DWORD       ret = 0;
 973
 974     if (lpMidiStrm->dwTimeDiv == 0) {
 975         FIXME("Shouldn't happen. lpMidiStrm->dwTimeDiv = 0\n");
 976     } else if (lpMidiStrm->dwTimeDiv > 0x8000) { /* SMPTE, unchecked FIXME? */
 977         int     nf = -(char)HIBYTE(lpMidiStrm->dwTimeDiv);      /* number of frames     */
 978         int     nsf = LOBYTE(lpMidiStrm->dwTimeDiv);            /* number of sub-frames */
 979         ret = (pulse * 1000) / (nf * nsf);
 980     } else {
 981         ret = (DWORD)((double)pulse * ((double)lpMidiStrm->dwTempo / 1000) /
 982                       (double)lpMidiStrm->dwTimeDiv);
 983     }
 984
 985     return ret;
 986 }
 987
 988 /**************************************************************************
 989  *                      MMSYSTEM_MidiStream_MessageHandler      [internal]
 990  */
 991 static  BOOL    MMSYSTEM_MidiStream_MessageHandler(WINE_MIDIStream* lpMidiStrm, LPWINE_MIDI lpwm, LPMSG msg)
 992 {
 993     LPMIDIHDR   lpMidiHdr;
 994     LPMIDIHDR*  lpmh;
 995     LPBYTE      lpData;
 996     BOOL        paused = FALSE;
 997
 998     for (;;) {
 999         switch (msg->message) {
1000         case WM_QUIT:
1001             return FALSE;
1002         case WINE_MSM_STOP:
1003             TRACE("STOP\n");
1004             /* this is not quite what MS doc says... */
1005             midiOutReset(lpMidiStrm->hDevice);
1006             /* empty list of already submitted buffers */
1007             lpMidiHdr = lpMidiStrm->lpMidiHdr;
1008             lpMidiStrm->lpMidiHdr = NULL;
1009             while (lpMidiHdr) {
1010                 LPMIDIHDR lphdr = lpMidiHdr;
1011                 lpMidiHdr = lpMidiHdr->lpNext;
1012                 lphdr->dwFlags |= MHDR_DONE;
1013                 lphdr->dwFlags &= ~MHDR_INQUEUE;
1014
1015                 DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1016                                (HDRVR)lpMidiStrm->hDevice, MM_MOM_DONE,
1017                                lpwm->mod.dwInstance, (DWORD_PTR)lphdr, 0);
1018             }
1019             return TRUE;
1020         case WINE_MSM_RESUME:
1021             /* FIXME: send out cc64 0 (turn off sustain pedal) on every channel */
1022             lpMidiStrm->dwStartTicks = GetTickCount() - lpMidiStrm->dwPositionMS;
1023             return TRUE;
1024         case WINE_MSM_PAUSE:
1025             /* FIXME: send out cc64 0 (turn off sustain pedal) on every channel */
1026             paused = TRUE;
1027             break;
1028         /* FIXME(EPP): "I don't understand the content of the first MIDIHDR sent
1029          * by native mcimidi, it doesn't look like a correct one".
1030          * this trick allows us to throw it away... but I don't like it.
1031          * It looks like part of the file I'm trying to play and definitively looks
1032          * like raw midi content.
1033          * I'd really like to understand why native mcimidi sends it. Perhaps a bad
1034          * synchronization issue where native mcimidi is still processing raw MIDI
1035          * content before generating MIDIEVENTs ?
1036          *
1037          * 4c 04 89 3b 00 81 7c 99 3b 43 00 99 23 5e 04 89 L..;..|.;C..#^..
1038          * 3b 00 00 89 23 00 7c 99 3b 45 00 99 28 62 04 89 ;...#.|.;E..(b..
1039          * 3b 00 00 89 28 00 81 7c 99 3b 4e 00 99 23 5e 04 ;...(..|.;N..#^.
1040          * 89 3b 00 00 89 23 00 7c 99 3b 45 00 99 23 78 04 .;...#.|.;E..#x.
1041          * 89 3b 00 00 89 23 00 81 7c 99 3b 48 00 99 23 5e .;...#..|.;H..#^
1042          * 04 89 3b 00 00 89 23 00 7c 99 3b 4e 00 99 28 62 ..;...#.|.;N..(b
1043          * 04 89 3b 00 00 89 28 00 81 7c 99 39 4c 00 99 23 ..;...(..|.9L..#
1044          * 5e 04 89 39 00 00 89 23 00 82 7c 99 3b 4c 00 99 ^..9...#..|.;L..
1045          * 23 5e 04 89 3b 00 00 89 23 00 7c 99 3b 48 00 99 #^..;...#.|.;H..
1046          * 28 62 04 89 3b 00 00 89 28 00 81 7c 99 3b 3f 04 (b..;...(..|.;?.
1047          * 89 3b 00 1c 99 23 5e 04 89 23 00 5c 99 3b 45 00 .;...#^..#.\.;E.
1048          * 99 23 78 04 89 3b 00 00 89 23 00 81 7c 99 3b 46 .#x..;...#..|.;F
1049          * 00 99 23 5e 04 89 3b 00 00 89 23 00 7c 99 3b 48 ..#^..;...#.|.;H
1050          * 00 99 28 62 04 89 3b 00 00 89 28 00 81 7c 99 3b ..(b..;...(..|.;
1051          * 46 00 99 23 5e 04 89 3b 00 00 89 23 00 7c 99 3b F..#^..;...#.|.;
1052          * 48 00 99 23 78 04 89 3b 00 00 89 23 00 81 7c 99 H..#x..;...#..|.
1053          * 3b 4c 00 99 23 5e 04 89 3b 00 00 89 23 00 7c 99 ;L..#^..;...#.|.
1054          */
1055         case WINE_MSM_HEADER:
1056             /* sets initial tick count for first MIDIHDR */
1057             if (!lpMidiStrm->dwStartTicks)
1058                 lpMidiStrm->dwStartTicks = GetTickCount();
1059             lpMidiHdr = (LPMIDIHDR)msg->lParam;
1060             lpData = (LPBYTE)lpMidiHdr->lpData;
1061             TRACE("Adding %s lpMidiHdr=%p [lpData=0x%p dwBytesRecorded=%u/%u dwFlags=0x%08x size=%lu]\n",
1062                   (lpMidiHdr->dwFlags & MHDR_ISSTRM) ? "stream" : "regular", lpMidiHdr,
1063                   lpData, lpMidiHdr->dwBytesRecorded, lpMidiHdr->dwBufferLength,
1064                   lpMidiHdr->dwFlags, msg->wParam);
1065 #if 0
1066             /* dumps content of lpMidiHdr->lpData
1067              * FIXME: there should be a debug routine somewhere that already does this
1068              */
1069             for (dwToGo = 0; dwToGo < lpMidiHdr->dwBufferLength; dwToGo += 16) {
1070                 DWORD       i;
1071                 BYTE        ch;
1072
1073                 for (i = 0; i < min(16, lpMidiHdr->dwBufferLength - dwToGo); i++)
1074                     printf("%02x ", lpData[dwToGo + i]);
1075                 for (; i < 16; i++)
1076                     printf("   ");
1077                 for (i = 0; i < min(16, lpMidiHdr->dwBufferLength - dwToGo); i++) {
1078                     ch = lpData[dwToGo + i];
1079                     printf("%c", (ch >= 0x20 && ch <= 0x7F) ? ch : '.');
1080                 }
1081                 printf("\n");
1082             }
1083 #endif
1084             if (((LPMIDIEVENT)lpData)->dwStreamID != 0 &&
1085                 ((LPMIDIEVENT)lpData)->dwStreamID != 0xFFFFFFFF &&
1086                 ((LPMIDIEVENT)lpData)->dwStreamID != (DWORD)lpMidiStrm) {
1087                 FIXME("Dropping bad %s lpMidiHdr (streamID=%08x)\n",
1088                       (lpMidiHdr->dwFlags & MHDR_ISSTRM) ? "stream" : "regular",
1089                       ((LPMIDIEVENT)lpData)->dwStreamID);
1090                 lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
1091                 lpMidiHdr->dwFlags |= MHDR_DONE;
1092
1093                 DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1094                                (HDRVR)lpMidiStrm->hDevice, MM_MOM_DONE,
1095                                lpwm->mod.dwInstance, (DWORD_PTR)lpMidiHdr, 0);
1096                 break;
1097             }
1098
1099             lpMidiHdr->lpNext = 0;
1100             for (lpmh = &lpMidiStrm->lpMidiHdr; *lpmh; lpmh = &(*lpmh)->lpNext);
1101             *lpmh = lpMidiHdr;
1102             break;
1103         default:
1104             FIXME("Unknown message %d\n", msg->message);
1105             break;
1106         }
1107         if (!paused)
1108             return TRUE;
1109         GetMessageA(msg, 0, 0, 0);
1110     }
1111 }
1112
1113 /**************************************************************************
1114  *                              MMSYSTEM_MidiStream_Player      [internal]
1115  */
1116 static  DWORD   CALLBACK        MMSYSTEM_MidiStream_Player(LPVOID pmt)
1117 {
1118     WINE_MIDIStream*    lpMidiStrm = pmt;
1119     WINE_MIDI*          lpwm;
1120     MSG                 msg;
1121     DWORD               dwToGo;
1122     DWORD               dwCurrTC;
1123     LPMIDIHDR           lpMidiHdr;
1124     DWORD               dwOffset;
1125
1126     TRACE("(%p)!\n", lpMidiStrm);
1127
1128     if (!lpMidiStrm ||
1129         (lpwm = (LPWINE_MIDI)MMDRV_Get(lpMidiStrm->hDevice, MMDRV_MIDIOUT, FALSE)) == NULL)
1130         goto the_end;
1131
1132     /* force thread's queue creation */
1133     PeekMessageA(&msg, 0, 0, 0, PM_NOREMOVE);
1134
1135     lpMidiStrm->dwStartTicks = 0;
1136     lpMidiStrm->dwPulses = 0;
1137
1138     lpMidiStrm->lpMidiHdr = 0;
1139
1140     /* midiStreamOpen is waiting for ack */
1141     SetEvent(lpMidiStrm->hEvent);
1142
1143 start_header:
1144     lpMidiHdr = lpMidiStrm->lpMidiHdr;
1145     if (!lpMidiHdr) {
1146         /* for first message, block until one arrives, then process all that are available */
1147         GetMessageA(&msg, 0, 0, 0);
1148         do {
1149             if (!MMSYSTEM_MidiStream_MessageHandler(lpMidiStrm, lpwm, &msg))
1150                 goto the_end;
1151         } while (PeekMessageA(&msg, 0, 0, 0, PM_REMOVE));
1152         goto start_header;
1153     }
1154
1155     dwOffset = 0;
1156     while (dwOffset + offsetof(MIDIEVENT,dwParms) <= lpMidiHdr->dwBytesRecorded) {
1157         LPMIDIEVENT me = (LPMIDIEVENT)(lpMidiHdr->lpData+dwOffset);
1158
1159         /* do we have to wait ? */
1160         if (me->dwDeltaTime) {
1161             lpMidiStrm->dwPositionMS += MMSYSTEM_MidiStream_Convert(lpMidiStrm, me->dwDeltaTime);
1162             lpMidiStrm->dwPulses += me->dwDeltaTime;
1163
1164             dwToGo = lpMidiStrm->dwStartTicks + lpMidiStrm->dwPositionMS;
1165
1166             TRACE("%d/%d/%d\n", dwToGo, GetTickCount(), me->dwDeltaTime);
1167             while ((dwCurrTC = GetTickCount()) < dwToGo) {
1168                 if (MsgWaitForMultipleObjects(0, NULL, FALSE, dwToGo - dwCurrTC, QS_ALLINPUT) == WAIT_OBJECT_0) {
1169                     /* got a message, handle it */
1170                     while (PeekMessageA(&msg, 0, 0, 0, PM_REMOVE)) {
1171                         if (!MMSYSTEM_MidiStream_MessageHandler(lpMidiStrm, lpwm, &msg))
1172                             goto the_end;
1173                         /* is lpMidiHdr still current? */
1174                         if (lpMidiHdr != lpMidiStrm->lpMidiHdr) {
1175                             goto start_header;
1176                         }
1177                     }
1178                 } else {
1179                     /* timeout, so me->dwDeltaTime is elapsed, can break the while loop */
1180                     break;
1181                 }
1182             }
1183         }
1184         switch (MEVT_EVENTTYPE(me->dwEvent & ~MEVT_F_CALLBACK)) {
1185         case MEVT_COMMENT:
1186             FIXME("NIY: MEVT_COMMENT\n");
1187             /* do nothing, skip bytes */
1188             break;
1189         case MEVT_LONGMSG:
1190             midiOutLongMsg(lpMidiStrm->hDevice, lpMidiStrm->lpMidiHdr, MEVT_EVENTPARM(me->dwEvent));
1191             break;
1192         case MEVT_NOP:
1193             break;
1194         case MEVT_SHORTMSG:
1195             midiOutShortMsg(lpMidiStrm->hDevice, MEVT_EVENTPARM(me->dwEvent));
1196             break;
1197         case MEVT_TEMPO:
1198             lpMidiStrm->dwTempo = MEVT_EVENTPARM(me->dwEvent);
1199             break;
1200         case MEVT_VERSION:
1201             break;
1202         default:
1203             FIXME("Unknown MEVT (0x%02x)\n", MEVT_EVENTTYPE(me->dwEvent & ~MEVT_F_CALLBACK));
1204             break;
1205         }
1206         if (me->dwEvent & MEVT_F_CALLBACK) {
1207             /* native fills dwOffset regardless of the cbMidiHdr size argument to midiStreamOut */
1208             lpMidiHdr->dwOffset = dwOffset;
1209             DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1210                            (HDRVR)lpMidiStrm->hDevice, MM_MOM_POSITIONCB,
1211                            lpwm->mod.dwInstance, (LPARAM)lpMidiHdr, 0L);
1212         }
1213         dwOffset += offsetof(MIDIEVENT,dwParms);
1214         if (me->dwEvent & MEVT_F_LONG)
1215             dwOffset += (MEVT_EVENTPARM(me->dwEvent) + 3) & ~3;
1216     }
1217     /* done with this header */
1218     lpMidiStrm->lpMidiHdr = lpMidiHdr->lpNext;
1219     lpMidiHdr->dwFlags |= MHDR_DONE;
1220     lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
1221
1222     DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1223                    (HDRVR)lpMidiStrm->hDevice, MM_MOM_DONE,
1224                    lpwm->mod.dwInstance, (DWORD_PTR)lpMidiHdr, 0);
1225     goto start_header;
1226
1227 the_end:
1228     TRACE("End of thread\n");
1229     return 0;
1230 }
1231
1232 /**************************************************************************
1233  *                              midiStreamClose                 [WINMM.@]
1234  */
1235 MMRESULT WINAPI midiStreamClose(HMIDISTRM hMidiStrm)
1236 {
1237     WINE_MIDIStream*    lpMidiStrm;
1238     MMRESULT            ret = 0;
1239
1240     TRACE("(%p)!\n", hMidiStrm);
1241
1242     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL))
1243         return MMSYSERR_INVALHANDLE;
1244
1245     midiStreamStop(hMidiStrm);
1246     PostThreadMessageA(lpMidiStrm->dwThreadID, WM_QUIT, 0, 0);
1247     CloseHandle(lpMidiStrm->hEvent);
1248     if (lpMidiStrm->hThread) {
1249         if (GetCurrentThreadId() != lpMidiStrm->dwThreadID)
1250             WaitForSingleObject(lpMidiStrm->hThread, INFINITE);
1251         else {
1252             FIXME("leak from call within function callback\n");
1253             ret = MMSYSERR_HANDLEBUSY; /* yet don't signal it to app */
1254         }
1255         CloseHandle(lpMidiStrm->hThread);
1256     }
1257     if(!ret)
1258         HeapFree(GetProcessHeap(), 0, lpMidiStrm);
1259
1260     return midiOutClose((HMIDIOUT)hMidiStrm);
1261 }
1262
1263 /**************************************************************************
1264  *                              midiStreamOpen                  [WINMM.@]
1265  */
1266 MMRESULT WINAPI midiStreamOpen(HMIDISTRM* lphMidiStrm, LPUINT lpuDeviceID,
1267                                DWORD cMidi, DWORD_PTR dwCallback,
1268                                DWORD_PTR dwInstance, DWORD fdwOpen)
1269 {
1270     WINE_MIDIStream*    lpMidiStrm;
1271     MMRESULT            ret;
1272     MIDIOPENSTRMID      mosm;
1273     LPWINE_MIDI         lpwm;
1274     HMIDIOUT            hMidiOut;
1275
1276     TRACE("(%p, %p, %d, 0x%08lx, 0x%08lx, 0x%08x)!\n",
1277           lphMidiStrm, lpuDeviceID, cMidi, dwCallback, dwInstance, fdwOpen);
1278
1279     if (cMidi != 1 || lphMidiStrm == NULL || lpuDeviceID == NULL)
1280         return MMSYSERR_INVALPARAM;
1281
1282     ret = WINMM_CheckCallback(dwCallback, fdwOpen, FALSE);
1283     if (ret != MMSYSERR_NOERROR)
1284         return ret;
1285
1286     lpMidiStrm = HeapAlloc(GetProcessHeap(), 0, sizeof(WINE_MIDIStream));
1287     if (!lpMidiStrm)
1288         return MMSYSERR_NOMEM;
1289
1290     lpMidiStrm->dwTempo = 500000;
1291     lpMidiStrm->dwTimeDiv = 480;        /* 480 is 120 quarter notes per minute *//* FIXME ??*/
1292     lpMidiStrm->dwPositionMS = 0;
1293
1294     mosm.dwStreamID = (DWORD)lpMidiStrm;
1295     /* FIXME: the correct value is not allocated yet for MAPPER */
1296     mosm.wDeviceID  = *lpuDeviceID;
1297     lpwm = MIDI_OutAlloc(&hMidiOut, &dwCallback, &dwInstance, &fdwOpen, 1, &mosm);
1298     if (!lpwm) {
1299         HeapFree(GetProcessHeap(), 0, lpMidiStrm);
1300         return MMSYSERR_NOMEM;
1301     }
1302     lpMidiStrm->hDevice = hMidiOut;
1303     *lphMidiStrm = (HMIDISTRM)hMidiOut;
1304
1305     lpwm->mld.uDeviceID = *lpuDeviceID;
1306
1307     ret = MMDRV_Open(&lpwm->mld, MODM_OPEN, (DWORD_PTR)&lpwm->mod, fdwOpen);
1308     if (ret != MMSYSERR_NOERROR) {
1309         MMDRV_Free(hMidiOut, &lpwm->mld);
1310         HeapFree(GetProcessHeap(), 0, lpMidiStrm);
1311         return ret;
1312     }
1313
1314     lpMidiStrm->hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
1315     lpMidiStrm->wFlags = HIWORD(fdwOpen);
1316
1317     lpMidiStrm->hThread = CreateThread(NULL, 0, MMSYSTEM_MidiStream_Player,
1318                                        lpMidiStrm, 0, &(lpMidiStrm->dwThreadID));
1319
1320     if (!lpMidiStrm->hThread) {
1321         midiStreamClose((HMIDISTRM)hMidiOut);
1322         return MMSYSERR_NOMEM;
1323     }
1324     SetThreadPriority(lpMidiStrm->hThread, THREAD_PRIORITY_TIME_CRITICAL);
1325
1326     /* wait for thread to have started, and for its queue to be created */
1327     WaitForSingleObject(lpMidiStrm->hEvent, INFINITE);
1328
1329     PostThreadMessageA(lpMidiStrm->dwThreadID, WINE_MSM_PAUSE, 0, 0);
1330
1331     TRACE("=> (%u/%d) hMidi=%p ret=%d lpMidiStrm=%p\n",
1332           *lpuDeviceID, lpwm->mld.uDeviceID, *lphMidiStrm, ret, lpMidiStrm);
1333     return ret;
1334 }
1335
1336 /**************************************************************************
1337  *                              midiStreamOut                   [WINMM.@]
1338  */
1339 MMRESULT WINAPI midiStreamOut(HMIDISTRM hMidiStrm, LPMIDIHDR lpMidiHdr,
1340                               UINT cbMidiHdr)
1341 {
1342     WINE_MIDIStream*    lpMidiStrm;
1343     DWORD               ret = MMSYSERR_NOERROR;
1344
1345     TRACE("(%p, %p, %u)!\n", hMidiStrm, lpMidiHdr, cbMidiHdr);
1346
1347     if (cbMidiHdr < offsetof(MIDIHDR,dwOffset) || !lpMidiHdr || !lpMidiHdr->lpData
1348         || lpMidiHdr->dwBufferLength < lpMidiHdr->dwBytesRecorded
1349         || lpMidiHdr->dwBytesRecorded % 4 /* player expects DWORD padding */)
1350         return MMSYSERR_INVALPARAM;
1351     /* FIXME: Native additionally checks if the MIDIEVENTs in lpData
1352      * exactly fit dwBytesRecorded. */
1353
1354     if (!(lpMidiHdr->dwFlags & MHDR_PREPARED))
1355         return MIDIERR_UNPREPARED;
1356
1357     if (lpMidiHdr->dwFlags & MHDR_INQUEUE)
1358         return MIDIERR_STILLPLAYING;
1359
1360     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
1361         ret = MMSYSERR_INVALHANDLE;
1362     } else {
1363         lpMidiHdr->dwFlags |= MHDR_ISSTRM | MHDR_INQUEUE;
1364         lpMidiHdr->dwFlags &= ~MHDR_DONE;
1365         if (!PostThreadMessageA(lpMidiStrm->dwThreadID,
1366                                 WINE_MSM_HEADER, cbMidiHdr,
1367                                 (LPARAM)lpMidiHdr)) {
1368             ERR("bad PostThreadMessageA\n");
1369             ret = MMSYSERR_ERROR;
1370         }
1371     }
1372     return ret;
1373 }
1374
1375 /**************************************************************************
1376  *                              midiStreamPause                 [WINMM.@]
1377  */
1378 MMRESULT WINAPI midiStreamPause(HMIDISTRM hMidiStrm)
1379 {
1380     WINE_MIDIStream*    lpMidiStrm;
1381     DWORD               ret = MMSYSERR_NOERROR;
1382
1383     TRACE("(%p)!\n", hMidiStrm);
1384
1385     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL))
1386         return MMSYSERR_INVALHANDLE;
1387     PostThreadMessageA(lpMidiStrm->dwThreadID, WINE_MSM_PAUSE, 0, 0);
1388     return ret;
1389 }
1390
1391 /**************************************************************************
1392  *                              midiStreamPosition              [WINMM.@]
1393  */
1394 MMRESULT WINAPI midiStreamPosition(HMIDISTRM hMidiStrm, LPMMTIME lpMMT, UINT cbmmt)
1395 {
1396     WINE_MIDIStream*    lpMidiStrm;
1397     DWORD               ret = MMSYSERR_NOERROR;
1398
1399     TRACE("(%p, %p, %u)!\n", hMidiStrm, lpMMT, cbmmt);
1400
1401     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
1402         ret = MMSYSERR_INVALHANDLE;
1403     } else if (lpMMT == NULL || cbmmt != sizeof(MMTIME)) {
1404         ret = MMSYSERR_INVALPARAM;
1405     } else {
1406         switch (lpMMT->wType) {
1407         default:
1408             FIXME("Unsupported time type %x\n", lpMMT->wType);
1409         case TIME_BYTES:
1410         case TIME_SAMPLES:
1411             lpMMT->wType = TIME_MS;
1412             /* fall through to alternative format */
1413         case TIME_MS:
1414             lpMMT->u.ms = lpMidiStrm->dwPositionMS;
1415             TRACE("=> %d ms\n", lpMMT->u.ms);
1416             break;
1417         case TIME_TICKS:
1418             lpMMT->u.ticks = lpMidiStrm->dwPulses;
1419             TRACE("=> %d ticks\n", lpMMT->u.ticks);
1420             break;
1421         }
1422     }
1423     return ret;
1424 }
1425
1426 /**************************************************************************
1427  *                              midiStreamProperty              [WINMM.@]
1428  */
1429 MMRESULT WINAPI midiStreamProperty(HMIDISTRM hMidiStrm, LPBYTE lpPropData, DWORD dwProperty)
1430 {
1431     WINE_MIDIStream*    lpMidiStrm;
1432     MMRESULT            ret = MMSYSERR_NOERROR;
1433
1434     TRACE("(%p, %p, %x)\n", hMidiStrm, lpPropData, dwProperty);
1435
1436     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
1437         ret = MMSYSERR_INVALHANDLE;
1438     } else if ((dwProperty & (MIDIPROP_GET|MIDIPROP_SET)) == 0) {
1439         ret = MMSYSERR_INVALPARAM;
1440     } else if (dwProperty & MIDIPROP_TEMPO) {
1441         MIDIPROPTEMPO*  mpt = (MIDIPROPTEMPO*)lpPropData;
1442
1443         if (sizeof(MIDIPROPTEMPO) != mpt->cbStruct) {
1444             ret = MMSYSERR_INVALPARAM;
1445         } else if (dwProperty & MIDIPROP_SET) {
1446             lpMidiStrm->dwTempo = mpt->dwTempo;
1447             TRACE("Setting tempo to %d\n", mpt->dwTempo);
1448         } else if (dwProperty & MIDIPROP_GET) {
1449             mpt->dwTempo = lpMidiStrm->dwTempo;
1450             TRACE("Getting tempo <= %d\n", mpt->dwTempo);
1451         }
1452     } else if (dwProperty & MIDIPROP_TIMEDIV) {
1453         MIDIPROPTIMEDIV*        mptd = (MIDIPROPTIMEDIV*)lpPropData;
1454
1455         if (sizeof(MIDIPROPTIMEDIV) != mptd->cbStruct) {
1456             ret = MMSYSERR_INVALPARAM;
1457         } else if (dwProperty & MIDIPROP_SET) {
1458             lpMidiStrm->dwTimeDiv = mptd->dwTimeDiv;
1459             TRACE("Setting time div to %d\n", mptd->dwTimeDiv);
1460         } else if (dwProperty & MIDIPROP_GET) {
1461             mptd->dwTimeDiv = lpMidiStrm->dwTimeDiv;
1462             TRACE("Getting time div <= %d\n", mptd->dwTimeDiv);
1463         }
1464     } else {
1465         ret = MMSYSERR_INVALPARAM;
1466     }
1467
1468     return ret;
1469 }
1470
1471 /**************************************************************************
1472  *                              midiStreamRestart               [WINMM.@]
1473  */
1474 MMRESULT WINAPI midiStreamRestart(HMIDISTRM hMidiStrm)
1475 {
1476     WINE_MIDIStream*    lpMidiStrm;
1477     MMRESULT            ret = MMSYSERR_NOERROR;
1478
1479     TRACE("(%p)!\n", hMidiStrm);
1480
1481     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL))
1482         return MMSYSERR_INVALHANDLE;
1483     PostThreadMessageA(lpMidiStrm->dwThreadID, WINE_MSM_RESUME, 0, 0);
1484     return ret;
1485 }
1486
1487 /**************************************************************************
1488  *                              midiStreamStop                  [WINMM.@]
1489  */
1490 MMRESULT WINAPI midiStreamStop(HMIDISTRM hMidiStrm)
1491 {
1492     WINE_MIDIStream*    lpMidiStrm;
1493     MMRESULT            ret = MMSYSERR_NOERROR;
1494
1495     TRACE("(%p)!\n", hMidiStrm);
1496
1497     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL))
1498         return MMSYSERR_INVALHANDLE;
1499     PostThreadMessageA(lpMidiStrm->dwThreadID, WINE_MSM_STOP, 0, 0);
1500     return ret;
1501 }
1502
1503 struct mm_starter
1504 {
1505     LPTASKCALLBACK      cb;
1506     DWORD               client;
1507     HANDLE              event;
1508 };
1509
1510 static DWORD WINAPI mmTaskRun(void* pmt)
1511 {
1512     struct mm_starter mms;
1513
1514     memcpy(&mms, pmt, sizeof(struct mm_starter));
1515     HeapFree(GetProcessHeap(), 0, pmt);
1516     mms.cb(mms.client);
1517     if (mms.event) SetEvent(mms.event);
1518     return 0;
1519 }
1520
1521 /******************************************************************
1522  *              mmTaskCreate (WINMM.@)
1523  */
1524 UINT     WINAPI mmTaskCreate(LPTASKCALLBACK cb, HANDLE* ph, DWORD_PTR client)
1525 {
1526     HANDLE               hThread;
1527     HANDLE               hEvent = 0;
1528     struct mm_starter   *mms;
1529
1530     mms = HeapAlloc(GetProcessHeap(), 0, sizeof(struct mm_starter));
1531     if (mms == NULL) return TASKERR_OUTOFMEMORY;
1532
1533     mms->cb = cb;
1534     mms->client = client;
1535     if (ph) hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
1536     mms->event = hEvent;
1537
1538     hThread = CreateThread(0, 0, mmTaskRun, mms, 0, NULL);
1539     if (!hThread) {
1540         HeapFree(GetProcessHeap(), 0, mms);
1541         if (hEvent) CloseHandle(hEvent);
1542         return TASKERR_OUTOFMEMORY;
1543     }
1544     SetThreadPriority(hThread, THREAD_PRIORITY_TIME_CRITICAL);
1545     if (ph) *ph = hEvent;
1546     CloseHandle(hThread);
1547     return 0;
1548 }
1549
1550 /******************************************************************
1551  *              mmTaskBlock (WINMM.@)
1552  */
1553 VOID     WINAPI mmTaskBlock(DWORD tid)
1554 {
1555     MSG         msg;
1556
1557     do
1558     {
1559         GetMessageA(&msg, 0, 0, 0);
1560         if (msg.hwnd) DispatchMessageA(&msg);
1561     } while (msg.message != WM_USER);
1562 }
1563
1564 /******************************************************************
1565  *              mmTaskSignal (WINMM.@)
1566  */
1567 BOOL     WINAPI mmTaskSignal(DWORD tid)
1568 {
1569     return PostThreadMessageW(tid, WM_USER, 0, 0);
1570 }
1571
1572 /******************************************************************
1573  *              mmTaskYield (WINMM.@)
1574  */
1575 VOID     WINAPI mmTaskYield(VOID) {}
1576
1577 /******************************************************************
1578  *              mmGetCurrentTask (WINMM.@)
1579  */
1580 DWORD    WINAPI mmGetCurrentTask(VOID)
1581 {
1582     return GetCurrentThreadId();
1583 }