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 WINMM_InitWaveform();
  83 }
  84
  85 /**************************************************************************
  86  *                      WINMM_DeleteIData                       [internal]
  87  */
  88 static  void WINMM_DeleteIData(void)
  89 {
  90     TIME_MMTimeStop();
  91
  92     /* FIXME: should also free content and resources allocated
  93      * inside WINMM_IData */
  94     CloseHandle(psLastEvent);
  95     DeleteCriticalSection(&WINMM_cs);
  96 }
  97
  98 /******************************************************************
  99  *             WINMM_ErrorToString
 100  */
 101 const char* WINMM_ErrorToString(MMRESULT error)
 102 {
 103 #define ERR_TO_STR(dev) case dev: return #dev
 104     switch (error) {
 105     ERR_TO_STR(MMSYSERR_NOERROR);
 106     ERR_TO_STR(MMSYSERR_ERROR);
 107     ERR_TO_STR(MMSYSERR_BADDEVICEID);
 108     ERR_TO_STR(MMSYSERR_NOTENABLED);
 109     ERR_TO_STR(MMSYSERR_ALLOCATED);
 110     ERR_TO_STR(MMSYSERR_INVALHANDLE);
 111     ERR_TO_STR(MMSYSERR_NODRIVER);
 112     ERR_TO_STR(MMSYSERR_NOMEM);
 113     ERR_TO_STR(MMSYSERR_NOTSUPPORTED);
 114     ERR_TO_STR(MMSYSERR_BADERRNUM);
 115     ERR_TO_STR(MMSYSERR_INVALFLAG);
 116     ERR_TO_STR(MMSYSERR_INVALPARAM);
 117     ERR_TO_STR(MMSYSERR_HANDLEBUSY);
 118     ERR_TO_STR(MMSYSERR_INVALIDALIAS);
 119     ERR_TO_STR(MMSYSERR_BADDB);
 120     ERR_TO_STR(MMSYSERR_KEYNOTFOUND);
 121     ERR_TO_STR(MMSYSERR_READERROR);
 122     ERR_TO_STR(MMSYSERR_WRITEERROR);
 123     ERR_TO_STR(MMSYSERR_DELETEERROR);
 124     ERR_TO_STR(MMSYSERR_VALNOTFOUND);
 125     ERR_TO_STR(MMSYSERR_NODRIVERCB);
 126     ERR_TO_STR(WAVERR_BADFORMAT);
 127     ERR_TO_STR(WAVERR_STILLPLAYING);
 128     ERR_TO_STR(WAVERR_UNPREPARED);
 129     ERR_TO_STR(WAVERR_SYNC);
 130     ERR_TO_STR(MIDIERR_INVALIDSETUP);
 131     ERR_TO_STR(MIDIERR_NODEVICE);
 132     ERR_TO_STR(MIDIERR_STILLPLAYING);
 133     ERR_TO_STR(MIDIERR_UNPREPARED);
 134     }
 135 #undef ERR_TO_STR
 136     return wine_dbg_sprintf("Unknown(0x%08x)", error);
 137 }
 138
 139 /**************************************************************************
 140  *              DllMain (WINMM.init)
 141  *
 142  * WINMM DLL entry point
 143  *
 144  */
 145 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID fImpLoad)
 146 {
 147     TRACE("%p 0x%x %p\n", hInstDLL, fdwReason, fImpLoad);
 148
 149     switch (fdwReason) {
 150     case DLL_PROCESS_ATTACH:
 151         DisableThreadLibraryCalls(hInstDLL);
 152
 153         if (!WINMM_CreateIData(hInstDLL))
 154             return FALSE;
 155         break;
 156     case DLL_PROCESS_DETACH:
 157         /* close all opened MCI drivers */
 158         MCI_SendCommand(MCI_ALL_DEVICE_ID, MCI_CLOSE, MCI_WAIT, 0L);
 159         MMDRV_Exit();
 160         /* There's no guarantee the drivers haven't already been unloaded on
 161          * process shutdown.
 162          */
 163         if (!fImpLoad)
 164         {
 165             /* now unload all remaining drivers... */
 166             DRIVER_UnloadAll();
 167         }
 168
 169         WINMM_DeleteIData();
 170         break;
 171     }
 172     return TRUE;
 173 }
 174
 175 /**************************************************************************
 176  *                      WINMM_CheckCallback                     [internal]
 177  */
 178 MMRESULT WINMM_CheckCallback(DWORD_PTR dwCallback, DWORD fdwOpen, BOOL mixer)
 179 {
 180     switch (fdwOpen & CALLBACK_TYPEMASK) {
 181     case CALLBACK_NULL:     /* dwCallback need not be NULL */
 182         break;
 183     case CALLBACK_WINDOW:
 184         if (dwCallback && !IsWindow((HWND)dwCallback))
 185             return MMSYSERR_INVALPARAM;
 186         break;
 187
 188     case CALLBACK_FUNCTION:
 189         /* a NULL cb is acceptable since w2k, MMSYSERR_INVALPARAM earlier */
 190         if (mixer)
 191             return MMSYSERR_INVALFLAG; /* since w2k, MMSYSERR_NOTSUPPORTED earlier */
 192         break;
 193     case CALLBACK_THREAD:
 194     case CALLBACK_EVENT:
 195         if (mixer) /* FIXME: mixer supports THREAD+EVENT since w2k */
 196             return MMSYSERR_NOTSUPPORTED; /* w9X */
 197         break;
 198     default:
 199         WARN("Unknown callback type %d\n", HIWORD(fdwOpen));
 200     }
 201     return MMSYSERR_NOERROR;
 202 }
 203
 204 /**************************************************************************
 205  *                              auxGetNumDevs           [WINMM.@]
 206  */
 207 UINT WINAPI auxGetNumDevs(void)
 208 {
 209     return MMDRV_GetNum(MMDRV_AUX);
 210 }
 211
 212 /**************************************************************************
 213  *                              auxGetDevCapsW          [WINMM.@]
 214  */
 215 UINT WINAPI auxGetDevCapsW(UINT_PTR uDeviceID, LPAUXCAPSW lpCaps, UINT uSize)
 216 {
 217     LPWINE_MLD          wmld;
 218
 219     TRACE("(%04lX, %p, %d) !\n", uDeviceID, lpCaps, uSize);
 220
 221     if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
 222
 223     if ((wmld = MMDRV_Get((HANDLE)uDeviceID, MMDRV_AUX, TRUE)) == NULL)
 224         return MMSYSERR_BADDEVICEID;
 225     return MMDRV_Message(wmld, AUXDM_GETDEVCAPS, (DWORD_PTR)lpCaps, uSize);
 226 }
 227
 228 /**************************************************************************
 229  *                              auxGetDevCapsA          [WINMM.@]
 230  */
 231 UINT WINAPI auxGetDevCapsA(UINT_PTR uDeviceID, LPAUXCAPSA lpCaps, UINT uSize)
 232 {
 233     AUXCAPSW    acW;
 234     UINT        ret;
 235
 236     if (lpCaps == NULL)        return MMSYSERR_INVALPARAM;
 237
 238     ret = auxGetDevCapsW(uDeviceID, &acW, sizeof(acW));
 239
 240     if (ret == MMSYSERR_NOERROR) {
 241         AUXCAPSA acA;
 242         acA.wMid           = acW.wMid;
 243         acA.wPid           = acW.wPid;
 244         acA.vDriverVersion = acW.vDriverVersion;
 245         WideCharToMultiByte( CP_ACP, 0, acW.szPname, -1, acA.szPname,
 246                              sizeof(acA.szPname), NULL, NULL );
 247         acA.wTechnology    = acW.wTechnology;
 248         acA.dwSupport      = acW.dwSupport;
 249         memcpy(lpCaps, &acA, min(uSize, sizeof(acA)));
 250     }
 251     return ret;
 252 }
 253
 254 /**************************************************************************
 255  *                              auxGetVolume            [WINMM.@]
 256  */
 257 UINT WINAPI auxGetVolume(UINT uDeviceID, DWORD* lpdwVolume)
 258 {
 259     LPWINE_MLD          wmld;
 260
 261     TRACE("(%04X, %p) !\n", uDeviceID, lpdwVolume);
 262
 263     if ((wmld = MMDRV_Get((HANDLE)(DWORD_PTR)uDeviceID, MMDRV_AUX, TRUE)) == NULL)
 264         return MMSYSERR_INVALHANDLE;
 265     return MMDRV_Message(wmld, AUXDM_GETVOLUME, (DWORD_PTR)lpdwVolume, 0L);
 266 }
 267
 268 /**************************************************************************
 269  *                              auxSetVolume            [WINMM.@]
 270  */
 271 UINT WINAPI auxSetVolume(UINT uDeviceID, DWORD dwVolume)
 272 {
 273     LPWINE_MLD          wmld;
 274
 275     TRACE("(%04X, %u) !\n", uDeviceID, dwVolume);
 276
 277     if ((wmld = MMDRV_Get((HANDLE)(DWORD_PTR)uDeviceID, MMDRV_AUX, TRUE)) == NULL)
 278         return MMSYSERR_INVALHANDLE;
 279     return MMDRV_Message(wmld, AUXDM_SETVOLUME, dwVolume, 0L);
 280 }
 281
 282 /**************************************************************************
 283  *                              auxOutMessage           [WINMM.@]
 284  */
 285 UINT WINAPI auxOutMessage(UINT uDeviceID, UINT uMessage, DWORD_PTR dw1, DWORD_PTR dw2)
 286 {
 287     LPWINE_MLD          wmld;
 288
 289     if ((wmld = MMDRV_Get((HANDLE)(DWORD_PTR)uDeviceID, MMDRV_AUX, TRUE)) == NULL)
 290         return MMSYSERR_INVALHANDLE;
 291
 292     return MMDRV_Message(wmld, uMessage, dw1, dw2);
 293 }
 294
 295 /**************************************************************************
 296  *                              midiOutGetNumDevs       [WINMM.@]
 297  */
 298 UINT WINAPI midiOutGetNumDevs(void)
 299 {
 300     return MMDRV_GetNum(MMDRV_MIDIOUT);
 301 }
 302
 303 /**************************************************************************
 304  *                              midiOutGetDevCapsW      [WINMM.@]
 305  */
 306 UINT WINAPI midiOutGetDevCapsW(UINT_PTR uDeviceID, LPMIDIOUTCAPSW lpCaps,
 307                                UINT uSize)
 308 {
 309     LPWINE_MLD  wmld;
 310
 311     TRACE("(%lu, %p, %u);\n", uDeviceID, lpCaps, uSize);
 312
 313     if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
 314
 315     if ((wmld = MMDRV_Get((HANDLE)uDeviceID, MMDRV_MIDIOUT, TRUE)) == NULL)
 316         return MMSYSERR_BADDEVICEID;
 317
 318     return MMDRV_Message(wmld, MODM_GETDEVCAPS, (DWORD_PTR)lpCaps, uSize);
 319 }
 320
 321 /**************************************************************************
 322  *                              midiOutGetDevCapsA      [WINMM.@]
 323  */
 324 UINT WINAPI midiOutGetDevCapsA(UINT_PTR uDeviceID, LPMIDIOUTCAPSA lpCaps,
 325                                UINT uSize)
 326 {
 327     MIDIOUTCAPSW        mocW;
 328     UINT                ret;
 329
 330     if (lpCaps == NULL)        return MMSYSERR_INVALPARAM;
 331
 332     ret = midiOutGetDevCapsW(uDeviceID, &mocW, sizeof(mocW));
 333
 334     if (ret == MMSYSERR_NOERROR) {
 335         MIDIOUTCAPSA mocA;
 336         mocA.wMid               = mocW.wMid;
 337         mocA.wPid               = mocW.wPid;
 338         mocA.vDriverVersion     = mocW.vDriverVersion;
 339         WideCharToMultiByte( CP_ACP, 0, mocW.szPname, -1, mocA.szPname,
 340                              sizeof(mocA.szPname), NULL, NULL );
 341         mocA.wTechnology        = mocW.wTechnology;
 342         mocA.wVoices            = mocW.wVoices;
 343         mocA.wNotes             = mocW.wNotes;
 344         mocA.wChannelMask       = mocW.wChannelMask;
 345         mocA.dwSupport          = mocW.dwSupport;
 346         memcpy(lpCaps, &mocA, min(uSize, sizeof(mocA)));
 347     }
 348     return ret;
 349 }
 350
 351 /**************************************************************************
 352  *                              midiOutGetErrorTextA    [WINMM.@]
 353  *                              midiInGetErrorTextA     [WINMM.@]
 354  */
 355 UINT WINAPI midiOutGetErrorTextA(UINT uError, LPSTR lpText, UINT uSize)
 356 {
 357     UINT        ret;
 358
 359     if (lpText == NULL) ret = MMSYSERR_INVALPARAM;
 360     else if (uSize == 0) ret = MMSYSERR_NOERROR;
 361     else
 362     {
 363         LPWSTR  xstr = HeapAlloc(GetProcessHeap(), 0, uSize * sizeof(WCHAR));
 364         if (!xstr) ret = MMSYSERR_NOMEM;
 365         else
 366         {
 367             ret = midiOutGetErrorTextW(uError, xstr, uSize);
 368             if (ret == MMSYSERR_NOERROR)
 369                 WideCharToMultiByte(CP_ACP, 0, xstr, -1, lpText, uSize, NULL, NULL);
 370             HeapFree(GetProcessHeap(), 0, xstr);
 371         }
 372     }
 373     return ret;
 374 }
 375
 376 /**************************************************************************
 377  *                              midiOutGetErrorTextW    [WINMM.@]
 378  *                              midiInGetErrorTextW     [WINMM.@]
 379  */
 380 UINT WINAPI midiOutGetErrorTextW(UINT uError, LPWSTR lpText, UINT uSize)
 381 {
 382     UINT        ret = MMSYSERR_BADERRNUM;
 383
 384     if (lpText == NULL) ret = MMSYSERR_INVALPARAM;
 385     else if (uSize == 0) ret = MMSYSERR_NOERROR;
 386     else if (
 387                /* test has been removed because MMSYSERR_BASE is 0, and gcc did emit
 388                 * a warning for the test was always true */
 389                (/*uError >= MMSYSERR_BASE && */ uError <= MMSYSERR_LASTERROR) ||
 390                (uError >= MIDIERR_BASE  && uError <= MIDIERR_LASTERROR)) {
 391         if (LoadStringW(hWinMM32Instance, uError, lpText, uSize) > 0) {
 392             ret = MMSYSERR_NOERROR;
 393         }
 394     }
 395     return ret;
 396 }
 397
 398 /**************************************************************************
 399  *                              MIDI_OutAlloc                   [internal]
 400  */
 401 static  LPWINE_MIDI     MIDI_OutAlloc(HMIDIOUT* lphMidiOut, DWORD_PTR* lpdwCallback,
 402                                       DWORD_PTR* lpdwInstance, LPDWORD lpdwFlags,
 403                                       DWORD cIDs, MIDIOPENSTRMID* lpIDs)
 404 {
 405     HANDLE              hMidiOut;
 406     LPWINE_MIDI         lpwm;
 407     UINT                size;
 408
 409     size = sizeof(WINE_MIDI) + (cIDs ? (cIDs-1) : 0) * sizeof(MIDIOPENSTRMID);
 410
 411     lpwm = (LPWINE_MIDI)MMDRV_Alloc(size, MMDRV_MIDIOUT, &hMidiOut, lpdwFlags,
 412                                     lpdwCallback, lpdwInstance);
 413     *lphMidiOut = hMidiOut;
 414
 415     if (lpwm) {
 416         lpwm->mod.hMidi = hMidiOut;
 417         lpwm->mod.dwCallback = *lpdwCallback;
 418         lpwm->mod.dwInstance = *lpdwInstance;
 419         lpwm->mod.dnDevNode = 0;
 420         lpwm->mod.cIds = cIDs;
 421         if (cIDs)
 422             memcpy(&(lpwm->mod.rgIds), lpIDs, cIDs * sizeof(MIDIOPENSTRMID));
 423     }
 424     return lpwm;
 425 }
 426
 427 /**************************************************************************
 428  *                              midiOutOpen             [WINMM.@]
 429  */
 430 UINT WINAPI midiOutOpen(LPHMIDIOUT lphMidiOut, UINT uDeviceID,
 431                        DWORD_PTR dwCallback, DWORD_PTR dwInstance, DWORD dwFlags)
 432 {
 433     HMIDIOUT            hMidiOut;
 434     LPWINE_MIDI         lpwm;
 435     UINT                dwRet;
 436
 437     TRACE("(%p, %d, %08lX, %08lX, %08X);\n",
 438           lphMidiOut, uDeviceID, dwCallback, dwInstance, dwFlags);
 439
 440     if (lphMidiOut != NULL) *lphMidiOut = 0;
 441
 442     dwRet = WINMM_CheckCallback(dwCallback, dwFlags, FALSE);
 443     if (dwRet != MMSYSERR_NOERROR)
 444         return dwRet;
 445
 446     lpwm = MIDI_OutAlloc(&hMidiOut, &dwCallback, &dwInstance, &dwFlags, 0, NULL);
 447
 448     if (lpwm == NULL)
 449         return MMSYSERR_NOMEM;
 450
 451     lpwm->mld.uDeviceID = uDeviceID;
 452
 453     dwRet = MMDRV_Open((LPWINE_MLD)lpwm, MODM_OPEN, (DWORD_PTR)&lpwm->mod, dwFlags);
 454
 455     if (dwRet != MMSYSERR_NOERROR) {
 456         MMDRV_Free(hMidiOut, (LPWINE_MLD)lpwm);
 457         hMidiOut = 0;
 458     }
 459
 460     if (lphMidiOut) *lphMidiOut = hMidiOut;
 461     TRACE("=> %d hMidi=%p\n", dwRet, hMidiOut);
 462
 463     return dwRet;
 464 }
 465
 466 /**************************************************************************
 467  *                              midiOutClose            [WINMM.@]
 468  */
 469 UINT WINAPI midiOutClose(HMIDIOUT hMidiOut)
 470 {
 471     LPWINE_MLD          wmld;
 472     DWORD               dwRet;
 473
 474     TRACE("(%p)\n", hMidiOut);
 475
 476     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 477         return MMSYSERR_INVALHANDLE;
 478
 479     dwRet = MMDRV_Close(wmld, MODM_CLOSE);
 480     MMDRV_Free(hMidiOut, wmld);
 481
 482     return dwRet;
 483 }
 484
 485 /**************************************************************************
 486  *                              midiOutPrepareHeader    [WINMM.@]
 487  */
 488 UINT WINAPI midiOutPrepareHeader(HMIDIOUT hMidiOut,
 489                                  MIDIHDR* lpMidiOutHdr, UINT uSize)
 490 {
 491     LPWINE_MLD          wmld;
 492
 493     TRACE("(%p, %p, %d)\n", hMidiOut, lpMidiOutHdr, uSize);
 494
 495     if (lpMidiOutHdr == NULL || uSize < offsetof(MIDIHDR,dwOffset))
 496         return MMSYSERR_INVALPARAM;
 497
 498     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 499         return MMSYSERR_INVALHANDLE;
 500     /* FIXME: detect MIDIStream handles and enforce 64KB buffer limit on those */
 501
 502     return MMDRV_Message(wmld, MODM_PREPARE, (DWORD_PTR)lpMidiOutHdr, uSize);
 503 }
 504
 505 /**************************************************************************
 506  *                              midiOutUnprepareHeader  [WINMM.@]
 507  */
 508 UINT WINAPI midiOutUnprepareHeader(HMIDIOUT hMidiOut,
 509                                    MIDIHDR* lpMidiOutHdr, UINT uSize)
 510 {
 511     LPWINE_MLD          wmld;
 512
 513     TRACE("(%p, %p, %d)\n", hMidiOut, lpMidiOutHdr, uSize);
 514
 515     if (lpMidiOutHdr == NULL || uSize < offsetof(MIDIHDR,dwOffset))
 516         return MMSYSERR_INVALPARAM;
 517
 518     if (!(lpMidiOutHdr->dwFlags & MHDR_PREPARED)) {
 519         return MMSYSERR_NOERROR;
 520     }
 521
 522     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 523         return MMSYSERR_INVALHANDLE;
 524
 525     return MMDRV_Message(wmld, MODM_UNPREPARE, (DWORD_PTR)lpMidiOutHdr, uSize);
 526 }
 527
 528 /**************************************************************************
 529  *                              midiOutShortMsg         [WINMM.@]
 530  */
 531 UINT WINAPI midiOutShortMsg(HMIDIOUT hMidiOut, DWORD dwMsg)
 532 {
 533     LPWINE_MLD          wmld;
 534
 535     TRACE("(%p, %08X)\n", hMidiOut, dwMsg);
 536
 537     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 538         return MMSYSERR_INVALHANDLE;
 539
 540     return MMDRV_Message(wmld, MODM_DATA, dwMsg, 0L);
 541 }
 542
 543 /**************************************************************************
 544  *                              midiOutLongMsg          [WINMM.@]
 545  */
 546 UINT WINAPI midiOutLongMsg(HMIDIOUT hMidiOut,
 547                            MIDIHDR* lpMidiOutHdr, UINT uSize)
 548 {
 549     LPWINE_MLD          wmld;
 550
 551     TRACE("(%p, %p, %d)\n", hMidiOut, lpMidiOutHdr, uSize);
 552
 553     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 554         return MMSYSERR_INVALHANDLE;
 555
 556     return MMDRV_Message(wmld, MODM_LONGDATA, (DWORD_PTR)lpMidiOutHdr, uSize);
 557 }
 558
 559 /**************************************************************************
 560  *                              midiOutReset            [WINMM.@]
 561  */
 562 UINT WINAPI midiOutReset(HMIDIOUT hMidiOut)
 563 {
 564     LPWINE_MLD          wmld;
 565
 566     TRACE("(%p)\n", hMidiOut);
 567
 568     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 569         return MMSYSERR_INVALHANDLE;
 570
 571     return MMDRV_Message(wmld, MODM_RESET, 0L, 0L);
 572 }
 573
 574 /**************************************************************************
 575  *                              midiOutGetVolume        [WINMM.@]
 576  */
 577 UINT WINAPI midiOutGetVolume(HMIDIOUT hMidiOut, DWORD* lpdwVolume)
 578 {
 579     LPWINE_MLD          wmld;
 580
 581     TRACE("(%p, %p);\n", hMidiOut, lpdwVolume);
 582
 583     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, TRUE)) == NULL)
 584         return MMSYSERR_INVALHANDLE;
 585
 586     return MMDRV_Message(wmld, MODM_GETVOLUME, (DWORD_PTR)lpdwVolume, 0L);
 587 }
 588
 589 /**************************************************************************
 590  *                              midiOutSetVolume        [WINMM.@]
 591  */
 592 UINT WINAPI midiOutSetVolume(HMIDIOUT hMidiOut, DWORD dwVolume)
 593 {
 594     LPWINE_MLD          wmld;
 595
 596     TRACE("(%p, %d);\n", hMidiOut, dwVolume);
 597
 598     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, TRUE)) == NULL)
 599         return MMSYSERR_INVALHANDLE;
 600
 601     return MMDRV_Message(wmld, MODM_SETVOLUME, dwVolume, 0L);
 602 }
 603
 604 /**************************************************************************
 605  *                              midiOutCachePatches             [WINMM.@]
 606  */
 607 UINT WINAPI midiOutCachePatches(HMIDIOUT hMidiOut, UINT uBank,
 608                                 WORD* lpwPatchArray, UINT uFlags)
 609 {
 610     /* not really necessary to support this */
 611     FIXME("not supported yet\n");
 612     return MMSYSERR_NOTSUPPORTED;
 613 }
 614
 615 /**************************************************************************
 616  *                              midiOutCacheDrumPatches [WINMM.@]
 617  */
 618 UINT WINAPI midiOutCacheDrumPatches(HMIDIOUT hMidiOut, UINT uPatch,
 619                                     WORD* lpwKeyArray, UINT uFlags)
 620 {
 621     FIXME("not supported yet\n");
 622     return MMSYSERR_NOTSUPPORTED;
 623 }
 624
 625 /**************************************************************************
 626  *                              midiOutGetID            [WINMM.@]
 627  */
 628 UINT WINAPI midiOutGetID(HMIDIOUT hMidiOut, UINT* lpuDeviceID)
 629 {
 630     LPWINE_MLD          wmld;
 631
 632     TRACE("(%p, %p)\n", hMidiOut, lpuDeviceID);
 633
 634     if (lpuDeviceID == NULL) return MMSYSERR_INVALPARAM;
 635     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 636         return MMSYSERR_INVALHANDLE;
 637
 638     *lpuDeviceID = wmld->uDeviceID;
 639     return MMSYSERR_NOERROR;
 640 }
 641
 642 /**************************************************************************
 643  *                              midiOutMessage          [WINMM.@]
 644  */
 645 UINT WINAPI midiOutMessage(HMIDIOUT hMidiOut, UINT uMessage,
 646                            DWORD_PTR dwParam1, DWORD_PTR dwParam2)
 647 {
 648     LPWINE_MLD          wmld;
 649
 650     TRACE("(%p, %04X, %08lX, %08lX)\n", hMidiOut, uMessage, dwParam1, dwParam2);
 651
 652     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL) {
 653         /* HACK... */
 654         if (uMessage == 0x0001) {
 655             *(LPDWORD)dwParam1 = 1;
 656             return 0;
 657         }
 658         if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, TRUE)) != NULL) {
 659             return MMDRV_PhysicalFeatures(wmld, uMessage, dwParam1, dwParam2);
 660         }
 661         return MMSYSERR_INVALHANDLE;
 662     }
 663
 664     switch (uMessage) {
 665     case MODM_OPEN:
 666     case MODM_CLOSE:
 667         FIXME("can't handle OPEN or CLOSE message!\n");
 668         return MMSYSERR_NOTSUPPORTED;
 669     }
 670     return MMDRV_Message(wmld, uMessage, dwParam1, dwParam2);
 671 }
 672
 673 /**************************************************************************
 674  *                              midiInGetNumDevs        [WINMM.@]
 675  */
 676 UINT WINAPI midiInGetNumDevs(void)
 677 {
 678     return MMDRV_GetNum(MMDRV_MIDIIN);
 679 }
 680
 681 /**************************************************************************
 682  *                              midiInGetDevCapsW       [WINMM.@]
 683  */
 684 UINT WINAPI midiInGetDevCapsW(UINT_PTR uDeviceID, LPMIDIINCAPSW lpCaps, UINT uSize)
 685 {
 686     LPWINE_MLD  wmld;
 687
 688     TRACE("(%ld, %p, %d);\n", uDeviceID, lpCaps, uSize);
 689
 690     if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
 691
 692     if ((wmld = MMDRV_Get((HANDLE)uDeviceID, MMDRV_MIDIIN, TRUE)) == NULL)
 693         return MMSYSERR_BADDEVICEID;
 694
 695    return MMDRV_Message(wmld, MIDM_GETDEVCAPS, (DWORD_PTR)lpCaps, uSize);
 696 }
 697
 698 /**************************************************************************
 699  *                              midiInGetDevCapsA       [WINMM.@]
 700  */
 701 UINT WINAPI midiInGetDevCapsA(UINT_PTR uDeviceID, LPMIDIINCAPSA lpCaps, UINT uSize)
 702 {
 703     MIDIINCAPSW         micW;
 704     UINT                ret;
 705
 706     if (lpCaps == NULL)        return MMSYSERR_INVALPARAM;
 707
 708     ret = midiInGetDevCapsW(uDeviceID, &micW, sizeof(micW));
 709
 710     if (ret == MMSYSERR_NOERROR) {
 711         MIDIINCAPSA micA;
 712         micA.wMid           = micW.wMid;
 713         micA.wPid           = micW.wPid;
 714         micA.vDriverVersion = micW.vDriverVersion;
 715         WideCharToMultiByte( CP_ACP, 0, micW.szPname, -1, micA.szPname,
 716                              sizeof(micA.szPname), NULL, NULL );
 717         micA.dwSupport      = micW.dwSupport;
 718         memcpy(lpCaps, &micA, min(uSize, sizeof(micA)));
 719     }
 720     return ret;
 721 }
 722
 723 /**************************************************************************
 724  *                              midiInOpen              [WINMM.@]
 725  */
 726 UINT WINAPI midiInOpen(HMIDIIN* lphMidiIn, UINT uDeviceID,
 727                        DWORD_PTR dwCallback, DWORD_PTR dwInstance, DWORD dwFlags)
 728 {
 729     HANDLE              hMidiIn;
 730     LPWINE_MIDI         lpwm;
 731     DWORD               dwRet;
 732
 733     TRACE("(%p, %d, %08lX, %08lX, %08X);\n",
 734           lphMidiIn, uDeviceID, dwCallback, dwInstance, dwFlags);
 735
 736     if (lphMidiIn != NULL) *lphMidiIn = 0;
 737
 738     dwRet = WINMM_CheckCallback(dwCallback, dwFlags, FALSE);
 739     if (dwRet != MMSYSERR_NOERROR)
 740         return dwRet;
 741
 742     lpwm = (LPWINE_MIDI)MMDRV_Alloc(sizeof(WINE_MIDI), MMDRV_MIDIIN, &hMidiIn,
 743                                     &dwFlags, &dwCallback, &dwInstance);
 744
 745     if (lpwm == NULL)
 746         return MMSYSERR_NOMEM;
 747
 748     lpwm->mod.hMidi = hMidiIn;
 749     lpwm->mod.dwCallback = dwCallback;
 750     lpwm->mod.dwInstance = dwInstance;
 751
 752     lpwm->mld.uDeviceID = uDeviceID;
 753     dwRet = MMDRV_Open(&lpwm->mld, MIDM_OPEN, (DWORD_PTR)&lpwm->mod, dwFlags);
 754
 755     if (dwRet != MMSYSERR_NOERROR) {
 756         MMDRV_Free(hMidiIn, &lpwm->mld);
 757         hMidiIn = 0;
 758     }
 759     if (lphMidiIn != NULL) *lphMidiIn = hMidiIn;
 760     TRACE("=> %d hMidi=%p\n", dwRet, hMidiIn);
 761
 762     return dwRet;
 763 }
 764
 765 /**************************************************************************
 766  *                              midiInClose             [WINMM.@]
 767  */
 768 UINT WINAPI midiInClose(HMIDIIN hMidiIn)
 769 {
 770     LPWINE_MLD          wmld;
 771     DWORD               dwRet;
 772
 773     TRACE("(%p)\n", hMidiIn);
 774
 775     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 776         return MMSYSERR_INVALHANDLE;
 777
 778     dwRet = MMDRV_Close(wmld, MIDM_CLOSE);
 779     MMDRV_Free(hMidiIn, wmld);
 780     return dwRet;
 781 }
 782
 783 /**************************************************************************
 784  *                              midiInPrepareHeader     [WINMM.@]
 785  */
 786 UINT WINAPI midiInPrepareHeader(HMIDIIN hMidiIn,
 787                                 MIDIHDR* lpMidiInHdr, UINT uSize)
 788 {
 789     LPWINE_MLD          wmld;
 790
 791     TRACE("(%p, %p, %d)\n", hMidiIn, lpMidiInHdr, uSize);
 792
 793     if (lpMidiInHdr == NULL || uSize < offsetof(MIDIHDR,dwOffset))
 794         return MMSYSERR_INVALPARAM;
 795
 796     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 797         return MMSYSERR_INVALHANDLE;
 798
 799     return MMDRV_Message(wmld, MIDM_PREPARE, (DWORD_PTR)lpMidiInHdr, uSize);
 800 }
 801
 802 /**************************************************************************
 803  *                              midiInUnprepareHeader   [WINMM.@]
 804  */
 805 UINT WINAPI midiInUnprepareHeader(HMIDIIN hMidiIn,
 806                                   MIDIHDR* lpMidiInHdr, UINT uSize)
 807 {
 808     LPWINE_MLD          wmld;
 809
 810     TRACE("(%p, %p, %d)\n", hMidiIn, lpMidiInHdr, uSize);
 811
 812     if (lpMidiInHdr == NULL || uSize < offsetof(MIDIHDR,dwOffset))
 813         return MMSYSERR_INVALPARAM;
 814
 815     if (!(lpMidiInHdr->dwFlags & MHDR_PREPARED)) {
 816         return MMSYSERR_NOERROR;
 817     }
 818
 819     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 820         return MMSYSERR_INVALHANDLE;
 821
 822     return MMDRV_Message(wmld, MIDM_UNPREPARE, (DWORD_PTR)lpMidiInHdr, uSize);
 823 }
 824
 825 /**************************************************************************
 826  *                              midiInAddBuffer         [WINMM.@]
 827  */
 828 UINT WINAPI midiInAddBuffer(HMIDIIN hMidiIn,
 829                             MIDIHDR* lpMidiInHdr, UINT uSize)
 830 {
 831     LPWINE_MLD          wmld;
 832
 833     TRACE("(%p, %p, %d)\n", hMidiIn, lpMidiInHdr, uSize);
 834
 835     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 836         return MMSYSERR_INVALHANDLE;
 837
 838     return MMDRV_Message(wmld, MIDM_ADDBUFFER, (DWORD_PTR)lpMidiInHdr, uSize);
 839 }
 840
 841 /**************************************************************************
 842  *                              midiInStart                     [WINMM.@]
 843  */
 844 UINT WINAPI midiInStart(HMIDIIN hMidiIn)
 845 {
 846     LPWINE_MLD          wmld;
 847
 848     TRACE("(%p)\n", hMidiIn);
 849
 850     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 851         return MMSYSERR_INVALHANDLE;
 852
 853     return MMDRV_Message(wmld, MIDM_START, 0L, 0L);
 854 }
 855
 856 /**************************************************************************
 857  *                              midiInStop                      [WINMM.@]
 858  */
 859 UINT WINAPI midiInStop(HMIDIIN hMidiIn)
 860 {
 861     LPWINE_MLD          wmld;
 862
 863     TRACE("(%p)\n", hMidiIn);
 864
 865     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 866         return MMSYSERR_INVALHANDLE;
 867
 868     return MMDRV_Message(wmld, MIDM_STOP, 0L, 0L);
 869 }
 870
 871 /**************************************************************************
 872  *                              midiInReset                     [WINMM.@]
 873  */
 874 UINT WINAPI midiInReset(HMIDIIN hMidiIn)
 875 {
 876     LPWINE_MLD          wmld;
 877
 878     TRACE("(%p)\n", hMidiIn);
 879
 880     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 881         return MMSYSERR_INVALHANDLE;
 882
 883     return MMDRV_Message(wmld, MIDM_RESET, 0L, 0L);
 884 }
 885
 886 /**************************************************************************
 887  *                              midiInGetID                     [WINMM.@]
 888  */
 889 UINT WINAPI midiInGetID(HMIDIIN hMidiIn, UINT* lpuDeviceID)
 890 {
 891     LPWINE_MLD          wmld;
 892
 893     TRACE("(%p, %p)\n", hMidiIn, lpuDeviceID);
 894
 895     if (lpuDeviceID == NULL) return MMSYSERR_INVALPARAM;
 896
 897     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, TRUE)) == NULL)
 898         return MMSYSERR_INVALHANDLE;
 899
 900     *lpuDeviceID = wmld->uDeviceID;
 901
 902     return MMSYSERR_NOERROR;
 903 }
 904
 905 /**************************************************************************
 906  *                              midiInMessage           [WINMM.@]
 907  */
 908 UINT WINAPI midiInMessage(HMIDIIN hMidiIn, UINT uMessage,
 909                           DWORD_PTR dwParam1, DWORD_PTR dwParam2)
 910 {
 911     LPWINE_MLD          wmld;
 912
 913     TRACE("(%p, %04X, %08lX, %08lX)\n", hMidiIn, uMessage, dwParam1, dwParam2);
 914
 915     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 916         return MMSYSERR_INVALHANDLE;
 917
 918     switch (uMessage) {
 919     case MIDM_OPEN:
 920     case MIDM_CLOSE:
 921         FIXME("can't handle OPEN or CLOSE message!\n");
 922         return MMSYSERR_NOTSUPPORTED;
 923     }
 924     return MMDRV_Message(wmld, uMessage, dwParam1, dwParam2);
 925 }
 926
 927 /**************************************************************************
 928  *                              midiConnect                     [WINMM.@]
 929  */
 930 MMRESULT WINAPI midiConnect(HMIDI hMidi, HMIDIOUT hmo, LPVOID pReserved)
 931 {
 932     FIXME("(%p, %p, %p): Stub\n", hMidi, hmo, pReserved);
 933     return MMSYSERR_ERROR;
 934 }
 935
 936 /**************************************************************************
 937  *                              midiDisconnect                  [WINMM.@]
 938  */
 939 MMRESULT WINAPI midiDisconnect(HMIDI hMidi, HMIDIOUT hmo, LPVOID pReserved)
 940 {
 941     FIXME("(%p, %p, %p): Stub\n", hMidi, hmo, pReserved);
 942     return MMSYSERR_ERROR;
 943 }
 944
 945 typedef struct WINE_MIDIStream {
 946     HMIDIOUT                    hDevice;
 947     HANDLE                      hThread;
 948     DWORD                       dwThreadID;
 949     DWORD                       dwTempo;
 950     DWORD                       dwTimeDiv;
 951     DWORD                       dwPositionMS;
 952     DWORD                       dwPulses;
 953     DWORD                       dwStartTicks;
 954     WORD                        wFlags;
 955     HANDLE                      hEvent;
 956     LPMIDIHDR                   lpMidiHdr;
 957 } WINE_MIDIStream;
 958
 959 #define WINE_MSM_HEADER         (WM_USER+0)
 960 #define WINE_MSM_STOP           (WM_USER+1)
 961
 962 /**************************************************************************
 963  *                              MMSYSTEM_GetMidiStream          [internal]
 964  */
 965 static  BOOL    MMSYSTEM_GetMidiStream(HMIDISTRM hMidiStrm, WINE_MIDIStream** lpMidiStrm, WINE_MIDI** lplpwm)
 966 {
 967     WINE_MIDI* lpwm = (LPWINE_MIDI)MMDRV_Get(hMidiStrm, MMDRV_MIDIOUT, FALSE);
 968
 969     if (lplpwm)
 970         *lplpwm = lpwm;
 971
 972     if (lpwm == NULL) {
 973         return FALSE;
 974     }
 975
 976     *lpMidiStrm = (WINE_MIDIStream*)lpwm->mod.rgIds.dwStreamID;
 977
 978     return *lpMidiStrm != NULL;
 979 }
 980
 981 /**************************************************************************
 982  *                              MMSYSTEM_MidiStream_Convert     [internal]
 983  */
 984 static  DWORD   MMSYSTEM_MidiStream_Convert(WINE_MIDIStream* lpMidiStrm, DWORD pulse)
 985 {
 986     DWORD       ret = 0;
 987
 988     if (lpMidiStrm->dwTimeDiv == 0) {
 989         FIXME("Shouldn't happen. lpMidiStrm->dwTimeDiv = 0\n");
 990     } else if (lpMidiStrm->dwTimeDiv > 0x8000) { /* SMPTE, unchecked FIXME? */
 991         int     nf = -(char)HIBYTE(lpMidiStrm->dwTimeDiv);      /* number of frames     */
 992         int     nsf = LOBYTE(lpMidiStrm->dwTimeDiv);            /* number of sub-frames */
 993         ret = (pulse * 1000) / (nf * nsf);
 994     } else {
 995         ret = (DWORD)((double)pulse * ((double)lpMidiStrm->dwTempo / 1000) /
 996                       (double)lpMidiStrm->dwTimeDiv);
 997     }
 998
 999     return ret;
1000 }
1001
1002 /**************************************************************************
1003  *                      MMSYSTEM_MidiStream_MessageHandler      [internal]
1004  */
1005 static  BOOL    MMSYSTEM_MidiStream_MessageHandler(WINE_MIDIStream* lpMidiStrm, LPWINE_MIDI lpwm, LPMSG msg)
1006 {
1007     LPMIDIHDR   lpMidiHdr;
1008     LPMIDIHDR*  lpmh;
1009     LPBYTE      lpData;
1010
1011     switch (msg->message) {
1012     case WM_QUIT:
1013         SetEvent(lpMidiStrm->hEvent);
1014         return FALSE;
1015     case WINE_MSM_STOP:
1016         TRACE("STOP\n");
1017         /* this is not quite what MS doc says... */
1018         midiOutReset(lpMidiStrm->hDevice);
1019         /* empty list of already submitted buffers */
1020         for (lpMidiHdr = lpMidiStrm->lpMidiHdr; lpMidiHdr; ) {
1021             LPMIDIHDR lphdr = lpMidiHdr;
1022             lpMidiHdr = lpMidiHdr->lpNext;
1023             lphdr->dwFlags |= MHDR_DONE;
1024             lphdr->dwFlags &= ~MHDR_INQUEUE;
1025
1026             DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1027                            (HDRVR)lpMidiStrm->hDevice, MM_MOM_DONE,
1028                            lpwm->mod.dwInstance, (DWORD_PTR)lphdr, 0);
1029         }
1030         lpMidiStrm->lpMidiHdr = 0;
1031         SetEvent(lpMidiStrm->hEvent);
1032         break;
1033     case WINE_MSM_HEADER:
1034         /* sets initial tick count for first MIDIHDR */
1035         if (!lpMidiStrm->dwStartTicks)
1036             lpMidiStrm->dwStartTicks = GetTickCount();
1037
1038         /* FIXME(EPP): "I don't understand the content of the first MIDIHDR sent
1039          * by native mcimidi, it doesn't look like a correct one".
1040          * this trick allows to throw it away... but I don't like it.
1041          * It looks like part of the file I'm trying to play and definitively looks
1042          * like raw midi content
1043          * I'd really like to understand why native mcimidi sends it. Perhaps a bad
1044          * synchronization issue where native mcimidi is still processing raw MIDI
1045          * content before generating MIDIEVENTs ?
1046          *
1047          * 4c 04 89 3b 00 81 7c 99 3b 43 00 99 23 5e 04 89 L..;..|.;C..#^..
1048          * 3b 00 00 89 23 00 7c 99 3b 45 00 99 28 62 04 89 ;...#.|.;E..(b..
1049          * 3b 00 00 89 28 00 81 7c 99 3b 4e 00 99 23 5e 04 ;...(..|.;N..#^.
1050          * 89 3b 00 00 89 23 00 7c 99 3b 45 00 99 23 78 04 .;...#.|.;E..#x.
1051          * 89 3b 00 00 89 23 00 81 7c 99 3b 48 00 99 23 5e .;...#..|.;H..#^
1052          * 04 89 3b 00 00 89 23 00 7c 99 3b 4e 00 99 28 62 ..;...#.|.;N..(b
1053          * 04 89 3b 00 00 89 28 00 81 7c 99 39 4c 00 99 23 ..;...(..|.9L..#
1054          * 5e 04 89 39 00 00 89 23 00 82 7c 99 3b 4c 00 99 ^..9...#..|.;L..
1055          * 23 5e 04 89 3b 00 00 89 23 00 7c 99 3b 48 00 99 #^..;...#.|.;H..
1056          * 28 62 04 89 3b 00 00 89 28 00 81 7c 99 3b 3f 04 (b..;...(..|.;?.
1057          * 89 3b 00 1c 99 23 5e 04 89 23 00 5c 99 3b 45 00 .;...#^..#.\.;E.
1058          * 99 23 78 04 89 3b 00 00 89 23 00 81 7c 99 3b 46 .#x..;...#..|.;F
1059          * 00 99 23 5e 04 89 3b 00 00 89 23 00 7c 99 3b 48 ..#^..;...#.|.;H
1060          * 00 99 28 62 04 89 3b 00 00 89 28 00 81 7c 99 3b ..(b..;...(..|.;
1061          * 46 00 99 23 5e 04 89 3b 00 00 89 23 00 7c 99 3b F..#^..;...#.|.;
1062          * 48 00 99 23 78 04 89 3b 00 00 89 23 00 81 7c 99 H..#x..;...#..|.
1063          * 3b 4c 00 99 23 5e 04 89 3b 00 00 89 23 00 7c 99 ;L..#^..;...#.|.
1064          */
1065         lpMidiHdr = (LPMIDIHDR)msg->lParam;
1066         lpData = (LPBYTE)lpMidiHdr->lpData;
1067         TRACE("Adding %s lpMidiHdr=%p [lpData=0x%p dwBytesRecorded=%u/%u dwFlags=0x%08x size=%lu]\n",
1068               (lpMidiHdr->dwFlags & MHDR_ISSTRM) ? "stream" : "regular", lpMidiHdr,
1069               lpMidiHdr, lpMidiHdr->dwBytesRecorded, lpMidiHdr->dwBufferLength,
1070               lpMidiHdr->dwFlags, msg->wParam);
1071 #if 0
1072         /* dumps content of lpMidiHdr->lpData
1073          * FIXME: there should be a debug routine somewhere that already does this
1074          * I hate spreading this type of shit all around the code
1075          */
1076         for (dwToGo = 0; dwToGo < lpMidiHdr->dwBufferLength; dwToGo += 16) {
1077             DWORD       i;
1078             BYTE        ch;
1079
1080             for (i = 0; i < min(16, lpMidiHdr->dwBufferLength - dwToGo); i++)
1081                 printf("%02x ", lpData[dwToGo + i]);
1082             for (; i < 16; i++)
1083                 printf("   ");
1084             for (i = 0; i < min(16, lpMidiHdr->dwBufferLength - dwToGo); i++) {
1085                 ch = lpData[dwToGo + i];
1086                 printf("%c", (ch >= 0x20 && ch <= 0x7F) ? ch : '.');
1087             }
1088             printf("\n");
1089         }
1090 #endif
1091         if (((LPMIDIEVENT)lpData)->dwStreamID != 0 &&
1092             ((LPMIDIEVENT)lpData)->dwStreamID != 0xFFFFFFFF &&
1093             ((LPMIDIEVENT)lpData)->dwStreamID != (DWORD)lpMidiStrm) {
1094             FIXME("Dropping bad %s lpMidiHdr (streamID=%08x)\n",
1095                   (lpMidiHdr->dwFlags & MHDR_ISSTRM) ? "stream" : "regular",
1096                   ((LPMIDIEVENT)lpData)->dwStreamID);
1097             lpMidiHdr->dwFlags |= MHDR_DONE;
1098             lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
1099
1100             DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1101                            (HDRVR)lpMidiStrm->hDevice, MM_MOM_DONE,
1102                            lpwm->mod.dwInstance, (DWORD_PTR)lpMidiHdr, 0);
1103             break;
1104         }
1105
1106         for (lpmh = &lpMidiStrm->lpMidiHdr; *lpmh; lpmh = &(*lpmh)->lpNext);
1107         *lpmh = lpMidiHdr;
1108         lpMidiHdr = (LPMIDIHDR)msg->lParam;
1109         lpMidiHdr->lpNext = 0;
1110         lpMidiHdr->dwFlags |= MHDR_INQUEUE;
1111         lpMidiHdr->dwFlags &= ~MHDR_DONE;
1112
1113         break;
1114     default:
1115         FIXME("Unknown message %d\n", msg->message);
1116         break;
1117     }
1118     return TRUE;
1119 }
1120
1121 /**************************************************************************
1122  *                              MMSYSTEM_MidiStream_Player      [internal]
1123  */
1124 static  DWORD   CALLBACK        MMSYSTEM_MidiStream_Player(LPVOID pmt)
1125 {
1126     WINE_MIDIStream*    lpMidiStrm = pmt;
1127     WINE_MIDI*          lpwm;
1128     MSG                 msg;
1129     DWORD               dwToGo;
1130     DWORD               dwCurrTC;
1131     LPMIDIHDR           lpMidiHdr;
1132     DWORD               dwOffset;
1133
1134     TRACE("(%p)!\n", lpMidiStrm);
1135
1136     if (!lpMidiStrm ||
1137         (lpwm = (LPWINE_MIDI)MMDRV_Get(lpMidiStrm->hDevice, MMDRV_MIDIOUT, FALSE)) == NULL)
1138         goto the_end;
1139
1140     /* force thread's queue creation */
1141     PeekMessageA(&msg, 0, 0, 0, PM_NOREMOVE);
1142
1143     lpMidiStrm->dwStartTicks = 0;
1144     lpMidiStrm->dwPulses = 0;
1145
1146     lpMidiStrm->lpMidiHdr = 0;
1147
1148     /* midiStreamOpen is waiting for ack */
1149     SetEvent(lpMidiStrm->hEvent);
1150
1151 start_header:
1152     lpMidiHdr = lpMidiStrm->lpMidiHdr;
1153     if (!lpMidiHdr) {
1154         /* for first message, block until one arrives, then process all that are available */
1155         GetMessageA(&msg, 0, 0, 0);
1156         do {
1157             if (!MMSYSTEM_MidiStream_MessageHandler(lpMidiStrm, lpwm, &msg))
1158                 goto the_end;
1159         } while (PeekMessageA(&msg, 0, 0, 0, PM_REMOVE));
1160         goto start_header;
1161     }
1162
1163     dwOffset = 0;
1164     while (dwOffset + offsetof(MIDIEVENT,dwParms) <= lpMidiHdr->dwBytesRecorded) {
1165         LPMIDIEVENT me = (LPMIDIEVENT)(lpMidiHdr->lpData+dwOffset);
1166
1167         /* do we have to wait ? */
1168         if (me->dwDeltaTime) {
1169             lpMidiStrm->dwPositionMS += MMSYSTEM_MidiStream_Convert(lpMidiStrm, me->dwDeltaTime);
1170             lpMidiStrm->dwPulses += me->dwDeltaTime;
1171
1172             dwToGo = lpMidiStrm->dwStartTicks + lpMidiStrm->dwPositionMS;
1173
1174             TRACE("%d/%d/%d\n", dwToGo, GetTickCount(), me->dwDeltaTime);
1175             while ((dwCurrTC = GetTickCount()) < dwToGo) {
1176                 if (MsgWaitForMultipleObjects(0, NULL, FALSE, dwToGo - dwCurrTC, QS_ALLINPUT) == WAIT_OBJECT_0) {
1177                     /* got a message, handle it */
1178                     while (PeekMessageA(&msg, 0, 0, 0, PM_REMOVE)) {
1179                         if (!MMSYSTEM_MidiStream_MessageHandler(lpMidiStrm, lpwm, &msg))
1180                             goto the_end;
1181                         /* is lpMidiHdr still current? */
1182                         if (lpMidiHdr != lpMidiStrm->lpMidiHdr) {
1183                             goto start_header;
1184                         }
1185                     }
1186                 } else {
1187                     /* timeout, so me->dwDeltaTime is elapsed, can break the while loop */
1188                     break;
1189                 }
1190             }
1191         }
1192         switch (MEVT_EVENTTYPE(me->dwEvent & ~MEVT_F_CALLBACK)) {
1193         case MEVT_COMMENT:
1194             FIXME("NIY: MEVT_COMMENT\n");
1195             /* do nothing, skip bytes */
1196             break;
1197         case MEVT_LONGMSG:
1198             FIXME("NIY: MEVT_LONGMSG, aka sending Sysex event\n");
1199             break;
1200         case MEVT_NOP:
1201             break;
1202         case MEVT_SHORTMSG:
1203             midiOutShortMsg(lpMidiStrm->hDevice, MEVT_EVENTPARM(me->dwEvent));
1204             break;
1205         case MEVT_TEMPO:
1206             lpMidiStrm->dwTempo = MEVT_EVENTPARM(me->dwEvent);
1207             break;
1208         case MEVT_VERSION:
1209             break;
1210         default:
1211             FIXME("Unknown MEVT (0x%02x)\n", MEVT_EVENTTYPE(me->dwEvent & ~MEVT_F_CALLBACK));
1212             break;
1213         }
1214         if (me->dwEvent & MEVT_F_CALLBACK) {
1215             /* native fills dwOffset regardless of the cbMidiHdr size argument to midiStreamOut */
1216             lpMidiHdr->dwOffset = dwOffset;
1217             DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1218                            (HDRVR)lpMidiStrm->hDevice, MM_MOM_POSITIONCB,
1219                            lpwm->mod.dwInstance, (LPARAM)lpMidiHdr, 0L);
1220         }
1221         dwOffset += offsetof(MIDIEVENT,dwParms);
1222         if (me->dwEvent & MEVT_F_LONG)
1223             dwOffset += (MEVT_EVENTPARM(me->dwEvent) + 3) & ~3;
1224     }
1225     /* done with this header */
1226     lpMidiStrm->lpMidiHdr = lpMidiHdr->lpNext;
1227     lpMidiHdr->dwFlags |= MHDR_DONE;
1228     lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
1229
1230     DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1231                    (HDRVR)lpMidiStrm->hDevice, MM_MOM_DONE,
1232                    lpwm->mod.dwInstance, (DWORD_PTR)lpMidiHdr, 0);
1233     goto start_header;
1234
1235 the_end:
1236     TRACE("End of thread\n");
1237     return 0;
1238 }
1239
1240 /**************************************************************************
1241  *                              MMSYSTEM_MidiStream_PostMessage [internal]
1242  */
1243 static  BOOL MMSYSTEM_MidiStream_PostMessage(WINE_MIDIStream* lpMidiStrm, WORD msg, DWORD pmt1, DWORD pmt2)
1244 {
1245     if (PostThreadMessageA(lpMidiStrm->dwThreadID, msg, pmt1, pmt2)) {
1246         MsgWaitForMultipleObjects( 1, &lpMidiStrm->hEvent, FALSE, INFINITE, 0 );
1247     } else {
1248         ERR("bad PostThreadMessageA\n");
1249         return FALSE;
1250     }
1251     return TRUE;
1252 }
1253
1254 /**************************************************************************
1255  *                              midiStreamClose                 [WINMM.@]
1256  */
1257 MMRESULT WINAPI midiStreamClose(HMIDISTRM hMidiStrm)
1258 {
1259     WINE_MIDIStream*    lpMidiStrm;
1260
1261     TRACE("(%p)!\n", hMidiStrm);
1262
1263     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL))
1264         return MMSYSERR_INVALHANDLE;
1265
1266     midiStreamStop(hMidiStrm);
1267     MMSYSTEM_MidiStream_PostMessage(lpMidiStrm, WM_QUIT, 0, 0);
1268     CloseHandle(lpMidiStrm->hEvent);
1269     HeapFree(GetProcessHeap(), 0, lpMidiStrm);
1270
1271     return midiOutClose((HMIDIOUT)hMidiStrm);
1272 }
1273
1274 /**************************************************************************
1275  *                              midiStreamOpen                  [WINMM.@]
1276  */
1277 MMRESULT WINAPI midiStreamOpen(HMIDISTRM* lphMidiStrm, LPUINT lpuDeviceID,
1278                                DWORD cMidi, DWORD_PTR dwCallback,
1279                                DWORD_PTR dwInstance, DWORD fdwOpen)
1280 {
1281     WINE_MIDIStream*    lpMidiStrm;
1282     MMRESULT            ret;
1283     MIDIOPENSTRMID      mosm;
1284     LPWINE_MIDI         lpwm;
1285     HMIDIOUT            hMidiOut;
1286
1287     TRACE("(%p, %p, %d, 0x%08lx, 0x%08lx, 0x%08x)!\n",
1288           lphMidiStrm, lpuDeviceID, cMidi, dwCallback, dwInstance, fdwOpen);
1289
1290     if (cMidi != 1 || lphMidiStrm == NULL || lpuDeviceID == NULL)
1291         return MMSYSERR_INVALPARAM;
1292
1293     ret = WINMM_CheckCallback(dwCallback, fdwOpen, FALSE);
1294     if (ret != MMSYSERR_NOERROR)
1295         return ret;
1296
1297     lpMidiStrm = HeapAlloc(GetProcessHeap(), 0, sizeof(WINE_MIDIStream));
1298     if (!lpMidiStrm)
1299         return MMSYSERR_NOMEM;
1300
1301     lpMidiStrm->dwTempo = 500000;
1302     lpMidiStrm->dwTimeDiv = 480;        /* 480 is 120 quarter notes per minute *//* FIXME ??*/
1303     lpMidiStrm->dwPositionMS = 0;
1304
1305     mosm.dwStreamID = (DWORD)lpMidiStrm;
1306     /* FIXME: the correct value is not allocated yet for MAPPER */
1307     mosm.wDeviceID  = *lpuDeviceID;
1308     lpwm = MIDI_OutAlloc(&hMidiOut, &dwCallback, &dwInstance, &fdwOpen, 1, &mosm);
1309     if (!lpwm) {
1310         HeapFree(GetProcessHeap(), 0, lpMidiStrm);
1311         return MMSYSERR_NOMEM;
1312     }
1313     lpMidiStrm->hDevice = hMidiOut;
1314     *lphMidiStrm = (HMIDISTRM)hMidiOut;
1315
1316     lpwm->mld.uDeviceID = *lpuDeviceID;
1317
1318     ret = MMDRV_Open(&lpwm->mld, MODM_OPEN, (DWORD_PTR)&lpwm->mod, fdwOpen);
1319     if (ret != MMSYSERR_NOERROR) {
1320         MMDRV_Free(hMidiOut, &lpwm->mld);
1321         HeapFree(GetProcessHeap(), 0, lpMidiStrm);
1322         return ret;
1323     }
1324
1325     lpMidiStrm->hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
1326     lpMidiStrm->wFlags = HIWORD(fdwOpen);
1327
1328     lpMidiStrm->hThread = CreateThread(NULL, 0, MMSYSTEM_MidiStream_Player,
1329                                        lpMidiStrm, 0, &(lpMidiStrm->dwThreadID));
1330
1331     if (!lpMidiStrm->hThread) {
1332         midiStreamClose((HMIDISTRM)hMidiOut);
1333         return MMSYSERR_NOMEM;
1334     }
1335     SetThreadPriority(lpMidiStrm->hThread, THREAD_PRIORITY_TIME_CRITICAL);
1336
1337     /* wait for thread to have started, and for its queue to be created */
1338     WaitForSingleObject(lpMidiStrm->hEvent, INFINITE);
1339     /* start in paused mode */
1340     SuspendThread(lpMidiStrm->hThread);
1341
1342     TRACE("=> (%u/%d) hMidi=%p ret=%d lpMidiStrm=%p\n",
1343           *lpuDeviceID, lpwm->mld.uDeviceID, *lphMidiStrm, ret, lpMidiStrm);
1344     return ret;
1345 }
1346
1347 /**************************************************************************
1348  *                              midiStreamOut                   [WINMM.@]
1349  */
1350 MMRESULT WINAPI midiStreamOut(HMIDISTRM hMidiStrm, LPMIDIHDR lpMidiHdr,
1351                               UINT cbMidiHdr)
1352 {
1353     WINE_MIDIStream*    lpMidiStrm;
1354     DWORD               ret = MMSYSERR_NOERROR;
1355
1356     TRACE("(%p, %p, %u)!\n", hMidiStrm, lpMidiHdr, cbMidiHdr);
1357
1358     if (cbMidiHdr < offsetof(MIDIHDR,dwOffset) || !lpMidiHdr || !lpMidiHdr->lpData
1359         || lpMidiHdr->dwBufferLength < lpMidiHdr->dwBytesRecorded
1360         || lpMidiHdr->dwBytesRecorded % 4 /* player expects DWORD padding */)
1361         return MMSYSERR_INVALPARAM;
1362     /* FIXME: Native additionally checks if the MIDIEVENTs in lpData
1363      * exactly fit dwBytesRecorded. */
1364
1365     if (!(lpMidiHdr->dwFlags & MHDR_PREPARED))
1366         return MIDIERR_UNPREPARED;
1367
1368     if (lpMidiHdr->dwFlags & MHDR_INQUEUE)
1369         return MIDIERR_STILLPLAYING;
1370
1371     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
1372         ret = MMSYSERR_INVALHANDLE;
1373     } else {
1374         lpMidiHdr->dwFlags |= MHDR_ISSTRM | MHDR_INQUEUE;
1375         lpMidiHdr->dwFlags &= ~MHDR_DONE;
1376         if (!PostThreadMessageA(lpMidiStrm->dwThreadID,
1377                                 WINE_MSM_HEADER, cbMidiHdr,
1378                                 (LPARAM)lpMidiHdr)) {
1379             ERR("bad PostThreadMessageA\n");
1380             ret = MMSYSERR_ERROR;
1381         }
1382     }
1383     return ret;
1384 }
1385
1386 /**************************************************************************
1387  *                              midiStreamPause                 [WINMM.@]
1388  */
1389 MMRESULT WINAPI midiStreamPause(HMIDISTRM hMidiStrm)
1390 {
1391     WINE_MIDIStream*    lpMidiStrm;
1392     DWORD               ret = MMSYSERR_NOERROR;
1393
1394     TRACE("(%p)!\n", hMidiStrm);
1395
1396     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
1397         ret = MMSYSERR_INVALHANDLE;
1398     } else {
1399         if (SuspendThread(lpMidiStrm->hThread) == 0xFFFFFFFF) {
1400             ERR("bad Suspend (%d)\n", GetLastError());
1401             ret = MMSYSERR_ERROR;
1402         }
1403     }
1404     return ret;
1405 }
1406
1407 /**************************************************************************
1408  *                              midiStreamPosition              [WINMM.@]
1409  */
1410 MMRESULT WINAPI midiStreamPosition(HMIDISTRM hMidiStrm, LPMMTIME lpMMT, UINT cbmmt)
1411 {
1412     WINE_MIDIStream*    lpMidiStrm;
1413     DWORD               ret = MMSYSERR_NOERROR;
1414
1415     TRACE("(%p, %p, %u)!\n", hMidiStrm, lpMMT, cbmmt);
1416
1417     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
1418         ret = MMSYSERR_INVALHANDLE;
1419     } else if (lpMMT == NULL || cbmmt != sizeof(MMTIME)) {
1420         ret = MMSYSERR_INVALPARAM;
1421     } else {
1422         switch (lpMMT->wType) {
1423         default:
1424             FIXME("Unsupported time type %x\n", lpMMT->wType);
1425         case TIME_BYTES:
1426         case TIME_SAMPLES:
1427             lpMMT->wType = TIME_MS;
1428             /* fall through to alternative format */
1429         case TIME_MS:
1430             lpMMT->u.ms = lpMidiStrm->dwPositionMS;
1431             TRACE("=> %d ms\n", lpMMT->u.ms);
1432             break;
1433         case TIME_TICKS:
1434             lpMMT->u.ticks = lpMidiStrm->dwPulses;
1435             TRACE("=> %d ticks\n", lpMMT->u.ticks);
1436             break;
1437         }
1438     }
1439     return ret;
1440 }
1441
1442 /**************************************************************************
1443  *                              midiStreamProperty              [WINMM.@]
1444  */
1445 MMRESULT WINAPI midiStreamProperty(HMIDISTRM hMidiStrm, LPBYTE lpPropData, DWORD dwProperty)
1446 {
1447     WINE_MIDIStream*    lpMidiStrm;
1448     MMRESULT            ret = MMSYSERR_NOERROR;
1449
1450     TRACE("(%p, %p, %x)\n", hMidiStrm, lpPropData, dwProperty);
1451
1452     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
1453         ret = MMSYSERR_INVALHANDLE;
1454     } else if ((dwProperty & (MIDIPROP_GET|MIDIPROP_SET)) == 0) {
1455         ret = MMSYSERR_INVALPARAM;
1456     } else if (dwProperty & MIDIPROP_TEMPO) {
1457         MIDIPROPTEMPO*  mpt = (MIDIPROPTEMPO*)lpPropData;
1458
1459         if (sizeof(MIDIPROPTEMPO) != mpt->cbStruct) {
1460             ret = MMSYSERR_INVALPARAM;
1461         } else if (dwProperty & MIDIPROP_SET) {
1462             lpMidiStrm->dwTempo = mpt->dwTempo;
1463             TRACE("Setting tempo to %d\n", mpt->dwTempo);
1464         } else if (dwProperty & MIDIPROP_GET) {
1465             mpt->dwTempo = lpMidiStrm->dwTempo;
1466             TRACE("Getting tempo <= %d\n", mpt->dwTempo);
1467         }
1468     } else if (dwProperty & MIDIPROP_TIMEDIV) {
1469         MIDIPROPTIMEDIV*        mptd = (MIDIPROPTIMEDIV*)lpPropData;
1470
1471         if (sizeof(MIDIPROPTIMEDIV) != mptd->cbStruct) {
1472             ret = MMSYSERR_INVALPARAM;
1473         } else if (dwProperty & MIDIPROP_SET) {
1474             lpMidiStrm->dwTimeDiv = mptd->dwTimeDiv;
1475             TRACE("Setting time div to %d\n", mptd->dwTimeDiv);
1476         } else if (dwProperty & MIDIPROP_GET) {
1477             mptd->dwTimeDiv = lpMidiStrm->dwTimeDiv;
1478             TRACE("Getting time div <= %d\n", mptd->dwTimeDiv);
1479         }
1480     } else {
1481         ret = MMSYSERR_INVALPARAM;
1482     }
1483
1484     return ret;
1485 }
1486
1487 /**************************************************************************
1488  *                              midiStreamRestart               [WINMM.@]
1489  */
1490 MMRESULT WINAPI midiStreamRestart(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         ret = MMSYSERR_INVALHANDLE;
1499     } else {
1500         DWORD   ret;
1501
1502         /* since we increase the thread suspend count on each midiStreamPause
1503          * there may be a need for several ResumeThread
1504          */
1505         do {
1506             ret = ResumeThread(lpMidiStrm->hThread);
1507         } while (ret != 0xFFFFFFFF && ret > 1);
1508         if (ret == 0xFFFFFFFF) {
1509             ERR("bad Resume (%d)\n", GetLastError());
1510             ret = MMSYSERR_ERROR;
1511         } else {
1512             lpMidiStrm->dwStartTicks = GetTickCount() - lpMidiStrm->dwPositionMS;
1513         }
1514     }
1515     return ret;
1516 }
1517
1518 /**************************************************************************
1519  *                              midiStreamStop                  [WINMM.@]
1520  */
1521 MMRESULT WINAPI midiStreamStop(HMIDISTRM hMidiStrm)
1522 {
1523     WINE_MIDIStream*    lpMidiStrm;
1524     MMRESULT            ret = MMSYSERR_NOERROR;
1525
1526     TRACE("(%p)!\n", hMidiStrm);
1527
1528     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
1529         ret = MMSYSERR_INVALHANDLE;
1530     } else {
1531         /* in case stream has been paused... FIXME is the current state correct ? */
1532         midiStreamRestart(hMidiStrm);
1533         MMSYSTEM_MidiStream_PostMessage(lpMidiStrm, WINE_MSM_STOP, 0, 0);
1534     }
1535     return ret;
1536 }
1537
1538 struct mm_starter
1539 {
1540     LPTASKCALLBACK      cb;
1541     DWORD               client;
1542     HANDLE              event;
1543 };
1544
1545 static DWORD WINAPI mmTaskRun(void* pmt)
1546 {
1547     struct mm_starter mms;
1548
1549     memcpy(&mms, pmt, sizeof(struct mm_starter));
1550     HeapFree(GetProcessHeap(), 0, pmt);
1551     mms.cb(mms.client);
1552     if (mms.event) SetEvent(mms.event);
1553     return 0;
1554 }
1555
1556 /******************************************************************
1557  *              mmTaskCreate (WINMM.@)
1558  */
1559 UINT     WINAPI mmTaskCreate(LPTASKCALLBACK cb, HANDLE* ph, DWORD_PTR client)
1560 {
1561     HANDLE               hThread;
1562     HANDLE               hEvent = 0;
1563     struct mm_starter   *mms;
1564
1565     mms = HeapAlloc(GetProcessHeap(), 0, sizeof(struct mm_starter));
1566     if (mms == NULL) return TASKERR_OUTOFMEMORY;
1567
1568     mms->cb = cb;
1569     mms->client = client;
1570     if (ph) hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
1571     mms->event = hEvent;
1572
1573     hThread = CreateThread(0, 0, mmTaskRun, mms, 0, NULL);
1574     if (!hThread) {
1575         HeapFree(GetProcessHeap(), 0, mms);
1576         if (hEvent) CloseHandle(hEvent);
1577         return TASKERR_OUTOFMEMORY;
1578     }
1579     SetThreadPriority(hThread, THREAD_PRIORITY_TIME_CRITICAL);
1580     if (ph) *ph = hEvent;
1581     CloseHandle(hThread);
1582     return 0;
1583 }
1584
1585 /******************************************************************
1586  *              mmTaskBlock (WINMM.@)
1587  */
1588 VOID     WINAPI mmTaskBlock(DWORD tid)
1589 {
1590     MSG         msg;
1591
1592     do
1593     {
1594         GetMessageA(&msg, 0, 0, 0);
1595         if (msg.hwnd) DispatchMessageA(&msg);
1596     } while (msg.message != WM_USER);
1597 }
1598
1599 /******************************************************************
1600  *              mmTaskSignal (WINMM.@)
1601  */
1602 BOOL     WINAPI mmTaskSignal(DWORD tid)
1603 {
1604     return PostThreadMessageW(tid, WM_USER, 0, 0);
1605 }
1606
1607 /******************************************************************
1608  *              mmTaskYield (WINMM.@)
1609  */
1610 VOID     WINAPI mmTaskYield(VOID) {}
1611
1612 /******************************************************************
1613  *              mmGetCurrentTask (WINMM.@)
1614  */
1615 DWORD    WINAPI mmGetCurrentTask(VOID)
1616 {
1617     return GetCurrentThreadId();
1618 }