dlls/winmm/winmm.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2
   3 /*
   4  * WINMM functions
   5  *
   6  * Copyright 1993      Martin Ayotte
   7  *           1998-2002 Eric Pouech
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 /*
  25  * Eric POUECH :
  26  *      98/9    added Win32 MCI support
  27  *      99/4    added midiStream support
  28  *      99/9    added support for loadable low level drivers
  29  */
  30
  31 /* TODO
  32  *      + it seems that some programs check what's installed in
  33  *        registry against the value returned by drivers. Wine is
  34  *        currently broken regarding this point.
  35  *      + check thread-safeness for MMSYSTEM and WINMM entry points
  36  *      + unicode entry points are badly supported (would require
  37  *        moving 32 bit drivers as Unicode as they are supposed to be)
  38  *      + allow joystick and timer external calls as we do for wave,
  39  *        midi, mixer and aux
  40  */
  41
  42 #include <stdio.h>
  43 #include <stdarg.h>
  44 #include <string.h>
  45
  46 #define NONAMELESSUNION
  47
  48 #include "windef.h"
  49 #include "winbase.h"
  50 #include "mmsystem.h"
  51 #include "winuser.h"
  52 #include "winnls.h"
  53 #include "winternl.h"
  54 #include "winemm.h"
  55
  56 #include "wine/debug.h"
  57 #include "wine/rbtree.h"
  58
  59 WINE_DEFAULT_DEBUG_CHANNEL(winmm);
  60
  61 /* ========================================================================
  62  *                   G L O B A L   S E T T I N G S
  63  * ========================================================================*/
  64
  65 HINSTANCE hWinMM32Instance;
  66 HANDLE psLastEvent;
  67
  68 static CRITICAL_SECTION_DEBUG critsect_debug =
  69 {
  70     0, 0, &WINMM_cs,
  71     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  72       0, 0, { (DWORD_PTR)(__FILE__ ": WINMM_cs") }
  73 };
  74 CRITICAL_SECTION WINMM_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
  75
  76 static struct wine_rb_tree wine_midi_streams;
  77 static int wine_midi_stream_compare(const void *key, const struct wine_rb_entry *entry);
  78
  79 /**************************************************************************
  80  *                      WINMM_CreateIData                       [internal]
  81  */
  82 static  BOOL    WINMM_CreateIData(HINSTANCE hInstDLL)
  83 {
  84     hWinMM32Instance = hInstDLL;
  85     wine_rb_init(&wine_midi_streams, wine_midi_stream_compare);
  86     psLastEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
  87     return psLastEvent != NULL;
  88 }
  89
  90 /******************************************************************
  91  *             WINMM_ErrorToString
  92  */
  93 const char* WINMM_ErrorToString(MMRESULT error)
  94 {
  95 #define ERR_TO_STR(dev) case dev: return #dev
  96     switch (error) {
  97     ERR_TO_STR(MMSYSERR_NOERROR);
  98     ERR_TO_STR(MMSYSERR_ERROR);
  99     ERR_TO_STR(MMSYSERR_BADDEVICEID);
 100     ERR_TO_STR(MMSYSERR_NOTENABLED);
 101     ERR_TO_STR(MMSYSERR_ALLOCATED);
 102     ERR_TO_STR(MMSYSERR_INVALHANDLE);
 103     ERR_TO_STR(MMSYSERR_NODRIVER);
 104     ERR_TO_STR(MMSYSERR_NOMEM);
 105     ERR_TO_STR(MMSYSERR_NOTSUPPORTED);
 106     ERR_TO_STR(MMSYSERR_BADERRNUM);
 107     ERR_TO_STR(MMSYSERR_INVALFLAG);
 108     ERR_TO_STR(MMSYSERR_INVALPARAM);
 109     ERR_TO_STR(MMSYSERR_HANDLEBUSY);
 110     ERR_TO_STR(MMSYSERR_INVALIDALIAS);
 111     ERR_TO_STR(MMSYSERR_BADDB);
 112     ERR_TO_STR(MMSYSERR_KEYNOTFOUND);
 113     ERR_TO_STR(MMSYSERR_READERROR);
 114     ERR_TO_STR(MMSYSERR_WRITEERROR);
 115     ERR_TO_STR(MMSYSERR_DELETEERROR);
 116     ERR_TO_STR(MMSYSERR_VALNOTFOUND);
 117     ERR_TO_STR(MMSYSERR_NODRIVERCB);
 118     ERR_TO_STR(WAVERR_BADFORMAT);
 119     ERR_TO_STR(WAVERR_STILLPLAYING);
 120     ERR_TO_STR(WAVERR_UNPREPARED);
 121     ERR_TO_STR(WAVERR_SYNC);
 122     ERR_TO_STR(MIDIERR_INVALIDSETUP);
 123     ERR_TO_STR(MIDIERR_NODEVICE);
 124     ERR_TO_STR(MIDIERR_STILLPLAYING);
 125     ERR_TO_STR(MIDIERR_UNPREPARED);
 126     }
 127 #undef ERR_TO_STR
 128     return wine_dbg_sprintf("Unknown(0x%08x)", error);
 129 }
 130
 131 /**************************************************************************
 132  *              DllMain (WINMM.init)
 133  *
 134  * WINMM DLL entry point
 135  *
 136  */
 137 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID fImpLoad)
 138 {
 139     TRACE("%p 0x%x %p\n", hInstDLL, fdwReason, fImpLoad);
 140
 141     switch (fdwReason) {
 142     case DLL_PROCESS_ATTACH:
 143         DisableThreadLibraryCalls(hInstDLL);
 144
 145         if (!WINMM_CreateIData(hInstDLL))
 146             return FALSE;
 147
 148         break;
 149     case DLL_PROCESS_DETACH:
 150         if(fImpLoad)
 151             break;
 152
 153         MCI_SendCommand(MCI_ALL_DEVICE_ID, MCI_CLOSE, MCI_WAIT, 0L);
 154         MMDRV_Exit();
 155         DRIVER_UnloadAll();
 156         WINMM_DeleteWaveform();
 157         TIME_MMTimeStop();
 158         CloseHandle(psLastEvent);
 159         DeleteCriticalSection(&WINMM_cs);
 160         break;
 161     }
 162     return TRUE;
 163 }
 164
 165 /**************************************************************************
 166  *                      WINMM_CheckCallback                     [internal]
 167  */
 168 MMRESULT WINMM_CheckCallback(DWORD_PTR dwCallback, DWORD fdwOpen, BOOL mixer)
 169 {
 170     switch (fdwOpen & CALLBACK_TYPEMASK) {
 171     case CALLBACK_NULL:     /* dwCallback need not be NULL */
 172         break;
 173     case CALLBACK_WINDOW:
 174         if (dwCallback && !IsWindow((HWND)dwCallback))
 175             return MMSYSERR_INVALPARAM;
 176         break;
 177
 178     case CALLBACK_FUNCTION:
 179         /* a NULL cb is acceptable since w2k, MMSYSERR_INVALPARAM earlier */
 180         if (mixer)
 181             return MMSYSERR_INVALFLAG; /* since w2k, MMSYSERR_NOTSUPPORTED earlier */
 182         break;
 183     case CALLBACK_THREAD:
 184     case CALLBACK_EVENT:
 185         if (mixer) /* FIXME: mixer supports THREAD+EVENT since w2k */
 186             return MMSYSERR_NOTSUPPORTED; /* w9X */
 187         break;
 188     default:
 189         WARN("Unknown callback type %d\n", HIWORD(fdwOpen));
 190     }
 191     return MMSYSERR_NOERROR;
 192 }
 193
 194 /**************************************************************************
 195  *                              auxGetNumDevs           [WINMM.@]
 196  */
 197 UINT WINAPI auxGetNumDevs(void)
 198 {
 199     return MMDRV_GetNum(MMDRV_AUX);
 200 }
 201
 202 /**************************************************************************
 203  *                              auxGetDevCapsW          [WINMM.@]
 204  */
 205 UINT WINAPI auxGetDevCapsW(UINT_PTR uDeviceID, LPAUXCAPSW lpCaps, UINT uSize)
 206 {
 207     LPWINE_MLD          wmld;
 208
 209     TRACE("(%04lX, %p, %d) !\n", uDeviceID, lpCaps, uSize);
 210
 211     if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
 212
 213     if ((wmld = MMDRV_Get((HANDLE)uDeviceID, MMDRV_AUX, TRUE)) == NULL)
 214         return MMSYSERR_BADDEVICEID;
 215     return MMDRV_Message(wmld, AUXDM_GETDEVCAPS, (DWORD_PTR)lpCaps, uSize);
 216 }
 217
 218 /**************************************************************************
 219  *                              auxGetDevCapsA          [WINMM.@]
 220  */
 221 UINT WINAPI auxGetDevCapsA(UINT_PTR uDeviceID, LPAUXCAPSA lpCaps, UINT uSize)
 222 {
 223     AUXCAPSW    acW;
 224     UINT        ret;
 225
 226     if (lpCaps == NULL)        return MMSYSERR_INVALPARAM;
 227
 228     ret = auxGetDevCapsW(uDeviceID, &acW, sizeof(acW));
 229
 230     if (ret == MMSYSERR_NOERROR) {
 231         AUXCAPSA acA;
 232         acA.wMid           = acW.wMid;
 233         acA.wPid           = acW.wPid;
 234         acA.vDriverVersion = acW.vDriverVersion;
 235         WideCharToMultiByte( CP_ACP, 0, acW.szPname, -1, acA.szPname,
 236                              sizeof(acA.szPname), NULL, NULL );
 237         acA.wTechnology    = acW.wTechnology;
 238         acA.wReserved1     = acW.wReserved1;
 239         acA.dwSupport      = acW.dwSupport;
 240         memcpy(lpCaps, &acA, min(uSize, sizeof(acA)));
 241     }
 242     return ret;
 243 }
 244
 245 /**************************************************************************
 246  *                              auxGetVolume            [WINMM.@]
 247  */
 248 UINT WINAPI auxGetVolume(UINT uDeviceID, DWORD* lpdwVolume)
 249 {
 250     LPWINE_MLD          wmld;
 251
 252     TRACE("(%04X, %p) !\n", uDeviceID, lpdwVolume);
 253
 254     if ((wmld = MMDRV_Get((HANDLE)(DWORD_PTR)uDeviceID, MMDRV_AUX, TRUE)) == NULL)
 255         return MMSYSERR_INVALHANDLE;
 256     return MMDRV_Message(wmld, AUXDM_GETVOLUME, (DWORD_PTR)lpdwVolume, 0L);
 257 }
 258
 259 /**************************************************************************
 260  *                              auxSetVolume            [WINMM.@]
 261  */
 262 UINT WINAPI auxSetVolume(UINT uDeviceID, DWORD dwVolume)
 263 {
 264     LPWINE_MLD          wmld;
 265
 266     TRACE("(%04X, %u) !\n", uDeviceID, dwVolume);
 267
 268     if ((wmld = MMDRV_Get((HANDLE)(DWORD_PTR)uDeviceID, MMDRV_AUX, TRUE)) == NULL)
 269         return MMSYSERR_INVALHANDLE;
 270     return MMDRV_Message(wmld, AUXDM_SETVOLUME, dwVolume, 0L);
 271 }
 272
 273 /**************************************************************************
 274  *                              auxOutMessage           [WINMM.@]
 275  */
 276 UINT WINAPI auxOutMessage(UINT uDeviceID, UINT uMessage, DWORD_PTR dw1, DWORD_PTR dw2)
 277 {
 278     LPWINE_MLD          wmld;
 279
 280     if ((wmld = MMDRV_Get((HANDLE)(DWORD_PTR)uDeviceID, MMDRV_AUX, TRUE)) == NULL)
 281         return MMSYSERR_INVALHANDLE;
 282
 283     return MMDRV_Message(wmld, uMessage, dw1, dw2);
 284 }
 285
 286 /**************************************************************************
 287  *                              midiOutGetNumDevs       [WINMM.@]
 288  */
 289 UINT WINAPI midiOutGetNumDevs(void)
 290 {
 291     return MMDRV_GetNum(MMDRV_MIDIOUT);
 292 }
 293
 294 /**************************************************************************
 295  *                              midiOutGetDevCapsW      [WINMM.@]
 296  */
 297 UINT WINAPI midiOutGetDevCapsW(UINT_PTR uDeviceID, LPMIDIOUTCAPSW lpCaps,
 298                                UINT uSize)
 299 {
 300     LPWINE_MLD  wmld;
 301
 302     TRACE("(%lu, %p, %u);\n", uDeviceID, lpCaps, uSize);
 303
 304     if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
 305
 306     if ((wmld = MMDRV_Get((HANDLE)uDeviceID, MMDRV_MIDIOUT, TRUE)) == NULL)
 307         return MMSYSERR_BADDEVICEID;
 308
 309     return MMDRV_Message(wmld, MODM_GETDEVCAPS, (DWORD_PTR)lpCaps, uSize);
 310 }
 311
 312 /**************************************************************************
 313  *                              midiOutGetDevCapsA      [WINMM.@]
 314  */
 315 UINT WINAPI midiOutGetDevCapsA(UINT_PTR uDeviceID, LPMIDIOUTCAPSA lpCaps,
 316                                UINT uSize)
 317 {
 318     MIDIOUTCAPSW        mocW;
 319     UINT                ret;
 320
 321     if (lpCaps == NULL)        return MMSYSERR_INVALPARAM;
 322
 323     ret = midiOutGetDevCapsW(uDeviceID, &mocW, sizeof(mocW));
 324
 325     if (ret == MMSYSERR_NOERROR) {
 326         MIDIOUTCAPSA mocA;
 327         mocA.wMid               = mocW.wMid;
 328         mocA.wPid               = mocW.wPid;
 329         mocA.vDriverVersion     = mocW.vDriverVersion;
 330         WideCharToMultiByte( CP_ACP, 0, mocW.szPname, -1, mocA.szPname,
 331                              sizeof(mocA.szPname), NULL, NULL );
 332         mocA.wTechnology        = mocW.wTechnology;
 333         mocA.wVoices            = mocW.wVoices;
 334         mocA.wNotes             = mocW.wNotes;
 335         mocA.wChannelMask       = mocW.wChannelMask;
 336         mocA.dwSupport          = mocW.dwSupport;
 337         memcpy(lpCaps, &mocA, min(uSize, sizeof(mocA)));
 338     }
 339     return ret;
 340 }
 341
 342 /**************************************************************************
 343  *                              midiOutGetErrorTextA    [WINMM.@]
 344  *                              midiInGetErrorTextA     [WINMM.@]
 345  */
 346 UINT WINAPI midiOutGetErrorTextA(UINT uError, LPSTR lpText, UINT uSize)
 347 {
 348     UINT        ret;
 349
 350     if (lpText == NULL) ret = MMSYSERR_INVALPARAM;
 351     else if (uSize == 0) ret = MMSYSERR_NOERROR;
 352     else
 353     {
 354         LPWSTR  xstr = HeapAlloc(GetProcessHeap(), 0, uSize * sizeof(WCHAR));
 355         if (!xstr) ret = MMSYSERR_NOMEM;
 356         else
 357         {
 358             ret = midiOutGetErrorTextW(uError, xstr, uSize);
 359             if (ret == MMSYSERR_NOERROR)
 360                 WideCharToMultiByte(CP_ACP, 0, xstr, -1, lpText, uSize, NULL, NULL);
 361             HeapFree(GetProcessHeap(), 0, xstr);
 362         }
 363     }
 364     return ret;
 365 }
 366
 367 /**************************************************************************
 368  *                              midiOutGetErrorTextW    [WINMM.@]
 369  *                              midiInGetErrorTextW     [WINMM.@]
 370  */
 371 UINT WINAPI midiOutGetErrorTextW(UINT uError, LPWSTR lpText, UINT uSize)
 372 {
 373     UINT        ret = MMSYSERR_BADERRNUM;
 374
 375     if (lpText == NULL) ret = MMSYSERR_INVALPARAM;
 376     else if (uSize == 0) ret = MMSYSERR_NOERROR;
 377     else if (
 378                /* test has been removed because MMSYSERR_BASE is 0, and gcc did emit
 379                 * a warning for the test was always true */
 380                (/*uError >= MMSYSERR_BASE && */ uError <= MMSYSERR_LASTERROR) ||
 381                (uError >= MIDIERR_BASE  && uError <= MIDIERR_LASTERROR)) {
 382         if (LoadStringW(hWinMM32Instance, uError, lpText, uSize) > 0) {
 383             ret = MMSYSERR_NOERROR;
 384         }
 385     }
 386     return ret;
 387 }
 388
 389 /**************************************************************************
 390  *                              MIDI_OutAlloc                   [internal]
 391  */
 392 static  LPWINE_MIDI     MIDI_OutAlloc(HMIDIOUT* lphMidiOut, DWORD_PTR* lpdwCallback,
 393                                       DWORD_PTR* lpdwInstance, LPDWORD lpdwFlags,
 394                                       DWORD cIDs, MIDIOPENSTRMID* lpIDs)
 395 {
 396     HANDLE              hMidiOut;
 397     LPWINE_MIDI         lpwm;
 398     UINT                size;
 399
 400     size = sizeof(WINE_MIDI) + (cIDs ? (cIDs-1) : 0) * sizeof(MIDIOPENSTRMID);
 401
 402     lpwm = (LPWINE_MIDI)MMDRV_Alloc(size, MMDRV_MIDIOUT, &hMidiOut, lpdwFlags,
 403                                     lpdwCallback, lpdwInstance);
 404     *lphMidiOut = hMidiOut;
 405
 406     if (lpwm) {
 407         lpwm->mod.hMidi = hMidiOut;
 408         lpwm->mod.dwCallback = *lpdwCallback;
 409         lpwm->mod.dwInstance = *lpdwInstance;
 410         lpwm->mod.dnDevNode = 0;
 411         lpwm->mod.cIds = cIDs;
 412         if (cIDs)
 413             memcpy(&(lpwm->mod.rgIds), lpIDs, cIDs * sizeof(MIDIOPENSTRMID));
 414     }
 415     return lpwm;
 416 }
 417
 418 /**************************************************************************
 419  *                              midiOutOpen             [WINMM.@]
 420  */
 421 MMRESULT WINAPI midiOutOpen(LPHMIDIOUT lphMidiOut, UINT uDeviceID,
 422                        DWORD_PTR dwCallback, DWORD_PTR dwInstance, DWORD dwFlags)
 423 {
 424     HMIDIOUT            hMidiOut;
 425     LPWINE_MIDI         lpwm;
 426     MMRESULT            dwRet;
 427
 428     TRACE("(%p, %d, %08lX, %08lX, %08X);\n",
 429           lphMidiOut, uDeviceID, dwCallback, dwInstance, dwFlags);
 430
 431     if (lphMidiOut != NULL) *lphMidiOut = 0;
 432
 433     dwRet = WINMM_CheckCallback(dwCallback, dwFlags, FALSE);
 434     if (dwRet != MMSYSERR_NOERROR)
 435         return dwRet;
 436
 437     lpwm = MIDI_OutAlloc(&hMidiOut, &dwCallback, &dwInstance, &dwFlags, 0, NULL);
 438
 439     if (lpwm == NULL)
 440         return MMSYSERR_NOMEM;
 441
 442     lpwm->mld.uDeviceID = uDeviceID;
 443
 444     dwRet = MMDRV_Open((LPWINE_MLD)lpwm, MODM_OPEN, (DWORD_PTR)&lpwm->mod, dwFlags);
 445
 446     if (dwRet != MMSYSERR_NOERROR) {
 447         MMDRV_Free(hMidiOut, (LPWINE_MLD)lpwm);
 448         hMidiOut = 0;
 449     }
 450
 451     if (lphMidiOut) *lphMidiOut = hMidiOut;
 452     TRACE("=> %d hMidi=%p\n", dwRet, hMidiOut);
 453
 454     return dwRet;
 455 }
 456
 457 /**************************************************************************
 458  *                              midiOutClose            [WINMM.@]
 459  */
 460 UINT WINAPI midiOutClose(HMIDIOUT hMidiOut)
 461 {
 462     LPWINE_MLD          wmld;
 463     DWORD               dwRet;
 464
 465     TRACE("(%p)\n", hMidiOut);
 466
 467     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 468         return MMSYSERR_INVALHANDLE;
 469
 470     dwRet = MMDRV_Close(wmld, MODM_CLOSE);
 471     MMDRV_Free(hMidiOut, wmld);
 472
 473     return dwRet;
 474 }
 475
 476 /**************************************************************************
 477  *                              midiOutPrepareHeader    [WINMM.@]
 478  */
 479 UINT WINAPI midiOutPrepareHeader(HMIDIOUT hMidiOut,
 480                                  MIDIHDR* lpMidiOutHdr, UINT uSize)
 481 {
 482     LPWINE_MLD          wmld;
 483
 484     TRACE("(%p, %p, %d)\n", hMidiOut, lpMidiOutHdr, uSize);
 485
 486     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 487         return MMSYSERR_INVALHANDLE;
 488     /* FIXME: detect MIDIStream handles and enforce 64KB buffer limit on those */
 489
 490     return MMDRV_Message(wmld, MODM_PREPARE, (DWORD_PTR)lpMidiOutHdr, uSize);
 491 }
 492
 493 /**************************************************************************
 494  *                              midiOutUnprepareHeader  [WINMM.@]
 495  */
 496 UINT WINAPI midiOutUnprepareHeader(HMIDIOUT hMidiOut,
 497                                    MIDIHDR* lpMidiOutHdr, UINT uSize)
 498 {
 499     LPWINE_MLD          wmld;
 500
 501     TRACE("(%p, %p, %d)\n", hMidiOut, lpMidiOutHdr, uSize);
 502
 503     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 504         return MMSYSERR_INVALHANDLE;
 505
 506     return MMDRV_Message(wmld, MODM_UNPREPARE, (DWORD_PTR)lpMidiOutHdr, uSize);
 507 }
 508
 509 /**************************************************************************
 510  *                              midiOutShortMsg         [WINMM.@]
 511  */
 512 UINT WINAPI midiOutShortMsg(HMIDIOUT hMidiOut, DWORD dwMsg)
 513 {
 514     LPWINE_MLD          wmld;
 515
 516     TRACE("(%p, %08X)\n", hMidiOut, dwMsg);
 517
 518     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 519         return MMSYSERR_INVALHANDLE;
 520
 521     return MMDRV_Message(wmld, MODM_DATA, dwMsg, 0L);
 522 }
 523
 524 /**************************************************************************
 525  *                              midiOutLongMsg          [WINMM.@]
 526  */
 527 UINT WINAPI midiOutLongMsg(HMIDIOUT hMidiOut,
 528                            MIDIHDR* lpMidiOutHdr, UINT uSize)
 529 {
 530     LPWINE_MLD          wmld;
 531
 532     TRACE("(%p, %p, %d)\n", hMidiOut, lpMidiOutHdr, uSize);
 533
 534     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 535         return MMSYSERR_INVALHANDLE;
 536
 537     return MMDRV_Message(wmld, MODM_LONGDATA, (DWORD_PTR)lpMidiOutHdr, uSize);
 538 }
 539
 540 /**************************************************************************
 541  *                              midiOutReset            [WINMM.@]
 542  */
 543 UINT WINAPI midiOutReset(HMIDIOUT hMidiOut)
 544 {
 545     LPWINE_MLD          wmld;
 546
 547     TRACE("(%p)\n", hMidiOut);
 548
 549     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 550         return MMSYSERR_INVALHANDLE;
 551
 552     return MMDRV_Message(wmld, MODM_RESET, 0L, 0L);
 553 }
 554
 555 /**************************************************************************
 556  *                              midiOutGetVolume        [WINMM.@]
 557  */
 558 UINT WINAPI midiOutGetVolume(HMIDIOUT hMidiOut, DWORD* lpdwVolume)
 559 {
 560     LPWINE_MLD          wmld;
 561
 562     TRACE("(%p, %p);\n", hMidiOut, lpdwVolume);
 563
 564     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, TRUE)) == NULL)
 565         return MMSYSERR_INVALHANDLE;
 566
 567     return MMDRV_Message(wmld, MODM_GETVOLUME, (DWORD_PTR)lpdwVolume, 0L);
 568 }
 569
 570 /**************************************************************************
 571  *                              midiOutSetVolume        [WINMM.@]
 572  */
 573 UINT WINAPI midiOutSetVolume(HMIDIOUT hMidiOut, DWORD dwVolume)
 574 {
 575     LPWINE_MLD          wmld;
 576
 577     TRACE("(%p, %d);\n", hMidiOut, dwVolume);
 578
 579     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, TRUE)) == NULL)
 580         return MMSYSERR_INVALHANDLE;
 581
 582     return MMDRV_Message(wmld, MODM_SETVOLUME, dwVolume, 0L);
 583 }
 584
 585 /**************************************************************************
 586  *                              midiOutCachePatches             [WINMM.@]
 587  */
 588 UINT WINAPI midiOutCachePatches(HMIDIOUT hMidiOut, UINT uBank,
 589                                 WORD* lpwPatchArray, UINT uFlags)
 590 {
 591     /* not really necessary to support this */
 592     FIXME("(%p, %u, %p, %x): Stub\n", hMidiOut, uBank, lpwPatchArray, uFlags);
 593     return MMSYSERR_NOTSUPPORTED;
 594 }
 595
 596 /**************************************************************************
 597  *                              midiOutCacheDrumPatches [WINMM.@]
 598  */
 599 UINT WINAPI midiOutCacheDrumPatches(HMIDIOUT hMidiOut, UINT uPatch,
 600                                     WORD* lpwKeyArray, UINT uFlags)
 601 {
 602     FIXME("(%p, %u, %p, %x): Stub\n", hMidiOut, uPatch, lpwKeyArray, uFlags);
 603     return MMSYSERR_NOTSUPPORTED;
 604 }
 605
 606 /**************************************************************************
 607  *                              midiOutGetID            [WINMM.@]
 608  */
 609 UINT WINAPI midiOutGetID(HMIDIOUT hMidiOut, UINT* lpuDeviceID)
 610 {
 611     LPWINE_MLD          wmld;
 612
 613     TRACE("(%p, %p)\n", hMidiOut, lpuDeviceID);
 614
 615     if (lpuDeviceID == NULL) return MMSYSERR_INVALPARAM;
 616     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
 617         return MMSYSERR_INVALHANDLE;
 618
 619     *lpuDeviceID = wmld->uDeviceID;
 620     return MMSYSERR_NOERROR;
 621 }
 622
 623 /**************************************************************************
 624  *                              midiOutMessage          [WINMM.@]
 625  */
 626 UINT WINAPI midiOutMessage(HMIDIOUT hMidiOut, UINT uMessage,
 627                            DWORD_PTR dwParam1, DWORD_PTR dwParam2)
 628 {
 629     LPWINE_MLD          wmld;
 630
 631     TRACE("(%p, %04X, %08lX, %08lX)\n", hMidiOut, uMessage, dwParam1, dwParam2);
 632
 633     if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL) {
 634         /* HACK... */
 635         if (uMessage == 0x0001) {
 636             *(LPDWORD)dwParam1 = 1;
 637             return 0;
 638         }
 639         if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, TRUE)) != NULL) {
 640             return MMDRV_PhysicalFeatures(wmld, uMessage, dwParam1, dwParam2);
 641         }
 642         return MMSYSERR_INVALHANDLE;
 643     }
 644
 645     switch (uMessage) {
 646     case MODM_OPEN:
 647     case MODM_CLOSE:
 648         FIXME("can't handle OPEN or CLOSE message!\n");
 649         return MMSYSERR_NOTSUPPORTED;
 650     }
 651     return MMDRV_Message(wmld, uMessage, dwParam1, dwParam2);
 652 }
 653
 654 /**************************************************************************
 655  *                              midiInGetNumDevs        [WINMM.@]
 656  */
 657 UINT WINAPI midiInGetNumDevs(void)
 658 {
 659     return MMDRV_GetNum(MMDRV_MIDIIN);
 660 }
 661
 662 /**************************************************************************
 663  *                              midiInGetDevCapsW       [WINMM.@]
 664  */
 665 UINT WINAPI midiInGetDevCapsW(UINT_PTR uDeviceID, LPMIDIINCAPSW lpCaps, UINT uSize)
 666 {
 667     LPWINE_MLD  wmld;
 668
 669     TRACE("(%ld, %p, %d);\n", uDeviceID, lpCaps, uSize);
 670
 671     if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
 672
 673     if ((wmld = MMDRV_Get((HANDLE)uDeviceID, MMDRV_MIDIIN, TRUE)) == NULL)
 674         return MMSYSERR_BADDEVICEID;
 675
 676    return MMDRV_Message(wmld, MIDM_GETDEVCAPS, (DWORD_PTR)lpCaps, uSize);
 677 }
 678
 679 /**************************************************************************
 680  *                              midiInGetDevCapsA       [WINMM.@]
 681  */
 682 UINT WINAPI midiInGetDevCapsA(UINT_PTR uDeviceID, LPMIDIINCAPSA lpCaps, UINT uSize)
 683 {
 684     MIDIINCAPSW         micW;
 685     UINT                ret;
 686
 687     if (lpCaps == NULL)        return MMSYSERR_INVALPARAM;
 688
 689     ret = midiInGetDevCapsW(uDeviceID, &micW, sizeof(micW));
 690
 691     if (ret == MMSYSERR_NOERROR) {
 692         MIDIINCAPSA micA;
 693         micA.wMid           = micW.wMid;
 694         micA.wPid           = micW.wPid;
 695         micA.vDriverVersion = micW.vDriverVersion;
 696         WideCharToMultiByte( CP_ACP, 0, micW.szPname, -1, micA.szPname,
 697                              sizeof(micA.szPname), NULL, NULL );
 698         micA.dwSupport      = micW.dwSupport;
 699         memcpy(lpCaps, &micA, min(uSize, sizeof(micA)));
 700     }
 701     return ret;
 702 }
 703
 704 /**************************************************************************
 705  *                              midiInOpen              [WINMM.@]
 706  */
 707 MMRESULT WINAPI midiInOpen(HMIDIIN* lphMidiIn, UINT uDeviceID,
 708                        DWORD_PTR dwCallback, DWORD_PTR dwInstance, DWORD dwFlags)
 709 {
 710     HANDLE              hMidiIn;
 711     LPWINE_MIDI         lpwm;
 712     MMRESULT            dwRet;
 713
 714     TRACE("(%p, %d, %08lX, %08lX, %08X);\n",
 715           lphMidiIn, uDeviceID, dwCallback, dwInstance, dwFlags);
 716
 717     if (lphMidiIn != NULL) *lphMidiIn = 0;
 718
 719     dwRet = WINMM_CheckCallback(dwCallback, dwFlags, FALSE);
 720     if (dwRet != MMSYSERR_NOERROR)
 721         return dwRet;
 722
 723     lpwm = (LPWINE_MIDI)MMDRV_Alloc(sizeof(WINE_MIDI), MMDRV_MIDIIN, &hMidiIn,
 724                                     &dwFlags, &dwCallback, &dwInstance);
 725
 726     if (lpwm == NULL)
 727         return MMSYSERR_NOMEM;
 728
 729     lpwm->mod.hMidi = hMidiIn;
 730     lpwm->mod.dwCallback = dwCallback;
 731     lpwm->mod.dwInstance = dwInstance;
 732
 733     lpwm->mld.uDeviceID = uDeviceID;
 734     dwRet = MMDRV_Open(&lpwm->mld, MIDM_OPEN, (DWORD_PTR)&lpwm->mod, dwFlags);
 735
 736     if (dwRet != MMSYSERR_NOERROR) {
 737         MMDRV_Free(hMidiIn, &lpwm->mld);
 738         hMidiIn = 0;
 739     }
 740     if (lphMidiIn != NULL) *lphMidiIn = hMidiIn;
 741     TRACE("=> %d hMidi=%p\n", dwRet, hMidiIn);
 742
 743     return dwRet;
 744 }
 745
 746 /**************************************************************************
 747  *                              midiInClose             [WINMM.@]
 748  */
 749 UINT WINAPI midiInClose(HMIDIIN hMidiIn)
 750 {
 751     LPWINE_MLD          wmld;
 752     DWORD               dwRet;
 753
 754     TRACE("(%p)\n", hMidiIn);
 755
 756     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 757         return MMSYSERR_INVALHANDLE;
 758
 759     dwRet = MMDRV_Close(wmld, MIDM_CLOSE);
 760     MMDRV_Free(hMidiIn, wmld);
 761     return dwRet;
 762 }
 763
 764 /**************************************************************************
 765  *                              midiInPrepareHeader     [WINMM.@]
 766  */
 767 UINT WINAPI midiInPrepareHeader(HMIDIIN hMidiIn,
 768                                 MIDIHDR* lpMidiInHdr, UINT uSize)
 769 {
 770     LPWINE_MLD          wmld;
 771
 772     TRACE("(%p, %p, %d)\n", hMidiIn, lpMidiInHdr, uSize);
 773
 774     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 775         return MMSYSERR_INVALHANDLE;
 776
 777     return MMDRV_Message(wmld, MIDM_PREPARE, (DWORD_PTR)lpMidiInHdr, uSize);
 778 }
 779
 780 /**************************************************************************
 781  *                              midiInUnprepareHeader   [WINMM.@]
 782  */
 783 UINT WINAPI midiInUnprepareHeader(HMIDIIN hMidiIn,
 784                                   MIDIHDR* lpMidiInHdr, UINT uSize)
 785 {
 786     LPWINE_MLD          wmld;
 787
 788     TRACE("(%p, %p, %d)\n", hMidiIn, lpMidiInHdr, uSize);
 789
 790     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 791         return MMSYSERR_INVALHANDLE;
 792
 793     return MMDRV_Message(wmld, MIDM_UNPREPARE, (DWORD_PTR)lpMidiInHdr, uSize);
 794 }
 795
 796 /**************************************************************************
 797  *                              midiInAddBuffer         [WINMM.@]
 798  */
 799 UINT WINAPI midiInAddBuffer(HMIDIIN hMidiIn,
 800                             MIDIHDR* lpMidiInHdr, UINT uSize)
 801 {
 802     LPWINE_MLD          wmld;
 803
 804     TRACE("(%p, %p, %d)\n", hMidiIn, lpMidiInHdr, uSize);
 805
 806     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 807         return MMSYSERR_INVALHANDLE;
 808
 809     return MMDRV_Message(wmld, MIDM_ADDBUFFER, (DWORD_PTR)lpMidiInHdr, uSize);
 810 }
 811
 812 /**************************************************************************
 813  *                              midiInStart                     [WINMM.@]
 814  */
 815 UINT WINAPI midiInStart(HMIDIIN hMidiIn)
 816 {
 817     LPWINE_MLD          wmld;
 818
 819     TRACE("(%p)\n", hMidiIn);
 820
 821     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 822         return MMSYSERR_INVALHANDLE;
 823
 824     return MMDRV_Message(wmld, MIDM_START, 0L, 0L);
 825 }
 826
 827 /**************************************************************************
 828  *                              midiInStop                      [WINMM.@]
 829  */
 830 UINT WINAPI midiInStop(HMIDIIN hMidiIn)
 831 {
 832     LPWINE_MLD          wmld;
 833
 834     TRACE("(%p)\n", hMidiIn);
 835
 836     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 837         return MMSYSERR_INVALHANDLE;
 838
 839     return MMDRV_Message(wmld, MIDM_STOP, 0L, 0L);
 840 }
 841
 842 /**************************************************************************
 843  *                              midiInReset                     [WINMM.@]
 844  */
 845 UINT WINAPI midiInReset(HMIDIIN hMidiIn)
 846 {
 847     LPWINE_MLD          wmld;
 848
 849     TRACE("(%p)\n", hMidiIn);
 850
 851     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 852         return MMSYSERR_INVALHANDLE;
 853
 854     return MMDRV_Message(wmld, MIDM_RESET, 0L, 0L);
 855 }
 856
 857 /**************************************************************************
 858  *                              midiInGetID                     [WINMM.@]
 859  */
 860 UINT WINAPI midiInGetID(HMIDIIN hMidiIn, UINT* lpuDeviceID)
 861 {
 862     LPWINE_MLD          wmld;
 863
 864     TRACE("(%p, %p)\n", hMidiIn, lpuDeviceID);
 865
 866     if (lpuDeviceID == NULL) return MMSYSERR_INVALPARAM;
 867
 868     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, TRUE)) == NULL)
 869         return MMSYSERR_INVALHANDLE;
 870
 871     *lpuDeviceID = wmld->uDeviceID;
 872
 873     return MMSYSERR_NOERROR;
 874 }
 875
 876 /**************************************************************************
 877  *                              midiInMessage           [WINMM.@]
 878  */
 879 UINT WINAPI midiInMessage(HMIDIIN hMidiIn, UINT uMessage,
 880                           DWORD_PTR dwParam1, DWORD_PTR dwParam2)
 881 {
 882     LPWINE_MLD          wmld;
 883
 884     TRACE("(%p, %04X, %08lX, %08lX)\n", hMidiIn, uMessage, dwParam1, dwParam2);
 885
 886     if ((wmld = MMDRV_Get(hMidiIn, MMDRV_MIDIIN, FALSE)) == NULL)
 887         return MMSYSERR_INVALHANDLE;
 888
 889     switch (uMessage) {
 890     case MIDM_OPEN:
 891     case MIDM_CLOSE:
 892         FIXME("can't handle OPEN or CLOSE message!\n");
 893         return MMSYSERR_NOTSUPPORTED;
 894     }
 895     return MMDRV_Message(wmld, uMessage, dwParam1, dwParam2);
 896 }
 897
 898 /**************************************************************************
 899  *                              midiConnect                     [WINMM.@]
 900  */
 901 MMRESULT WINAPI midiConnect(HMIDI hMidi, HMIDIOUT hmo, LPVOID pReserved)
 902 {
 903     FIXME("(%p, %p, %p): Stub\n", hMidi, hmo, pReserved);
 904     return MMSYSERR_ERROR;
 905 }
 906
 907 /**************************************************************************
 908  *                              midiDisconnect                  [WINMM.@]
 909  */
 910 MMRESULT WINAPI midiDisconnect(HMIDI hMidi, HMIDIOUT hmo, LPVOID pReserved)
 911 {
 912     FIXME("(%p, %p, %p): Stub\n", hMidi, hmo, pReserved);
 913     return MMSYSERR_ERROR;
 914 }
 915
 916 typedef struct WINE_MIDIStream {
 917     HMIDIOUT                    hDevice;
 918     HANDLE                      hThread;
 919     DWORD                       dwThreadID;
 920     CRITICAL_SECTION            lock;
 921     DWORD                       dwTempo;
 922     DWORD                       dwTimeDiv;
 923     ULONGLONG                   position_usec;
 924     DWORD                       dwPulses;
 925     DWORD                       dwStartTicks;
 926     DWORD                       dwElapsedMS;
 927     DWORD                       dwLastPositionMS;
 928     WORD                        wFlags;
 929     WORD                        status;
 930     HANDLE                      hEvent;
 931     LPMIDIHDR                   lpMidiHdr;
 932     DWORD                       dwStreamID;
 933     struct wine_rb_entry        entry;
 934 } WINE_MIDIStream;
 935
 936 #define WINE_MSM_HEADER         (WM_USER+0)
 937 #define WINE_MSM_STOP           (WM_USER+1)
 938 #define WINE_MSM_PAUSE          (WM_USER+2)
 939 #define WINE_MSM_RESUME         (WM_USER+3)
 940
 941 #define MSM_STATUS_STOPPED      WINE_MSM_STOP
 942 #define MSM_STATUS_PAUSED       WINE_MSM_PAUSE
 943 #define MSM_STATUS_PLAYING      WINE_MSM_RESUME
 944
 945 static int wine_midi_stream_compare(const void *key, const struct wine_rb_entry *entry)
 946 {
 947     WINE_MIDIStream *stream = WINE_RB_ENTRY_VALUE(entry, struct WINE_MIDIStream, entry);
 948     return memcmp(key, &stream->dwStreamID, sizeof(stream->dwStreamID));
 949 }
 950
 951 static WINE_MIDIStream *wine_midi_stream_allocate(void)
 952 {
 953     DWORD stream_id = 1;
 954     WINE_MIDIStream *stream = NULL;
 955
 956     EnterCriticalSection(&WINMM_cs);
 957
 958     while (stream_id < 0xFFFFFFFF && wine_rb_get(&wine_midi_streams, &stream_id))
 959         stream_id++;
 960
 961     if (stream_id < 0xFFFFFFFF &&
 962         (stream = HeapAlloc(GetProcessHeap(), 0, sizeof(WINE_MIDIStream))))
 963     {
 964         stream->dwStreamID = stream_id;
 965         wine_rb_put(&wine_midi_streams, &stream_id, &stream->entry);
 966     }
 967
 968     LeaveCriticalSection(&WINMM_cs);
 969     return stream;
 970 }
 971
 972 static void wine_midi_stream_free(WINE_MIDIStream *stream)
 973 {
 974     EnterCriticalSection(&WINMM_cs);
 975
 976     wine_rb_remove(&wine_midi_streams, &stream->entry);
 977     HeapFree(GetProcessHeap(), 0, stream);
 978
 979     LeaveCriticalSection(&WINMM_cs);
 980 }
 981
 982 /**************************************************************************
 983  *                              MMSYSTEM_GetMidiStream          [internal]
 984  */
 985 static  BOOL    MMSYSTEM_GetMidiStream(HMIDISTRM hMidiStrm, WINE_MIDIStream** lpMidiStrm, WINE_MIDI** lplpwm)
 986 {
 987     WINE_MIDI* lpwm = (LPWINE_MIDI)MMDRV_Get(hMidiStrm, MMDRV_MIDIOUT, FALSE);
 988     struct wine_rb_entry *entry;
 989
 990     if (lplpwm)
 991         *lplpwm = lpwm;
 992
 993     if (lpwm == NULL) {
 994         return FALSE;
 995     }
 996
 997     EnterCriticalSection(&WINMM_cs);
 998     if ((entry = wine_rb_get(&wine_midi_streams, &lpwm->mod.rgIds.dwStreamID)))
 999         *lpMidiStrm = WINE_RB_ENTRY_VALUE(entry, struct WINE_MIDIStream, entry);
1000     LeaveCriticalSection(&WINMM_cs);
1001
1002     return *lpMidiStrm != NULL;
1003 }
1004
1005 /**************************************************************************
1006  *                              MMSYSTEM_MidiStream_Convert     [internal]
1007  */
1008 static  DWORD   MMSYSTEM_MidiStream_Convert(WINE_MIDIStream* lpMidiStrm, DWORD pulse)
1009 {
1010     DWORD       ret = 0;
1011
1012     if (lpMidiStrm->dwTimeDiv == 0) {
1013         FIXME("Shouldn't happen. lpMidiStrm->dwTimeDiv = 0\n");
1014     } else if (lpMidiStrm->dwTimeDiv > 0x8000) { /* SMPTE, unchecked FIXME? */
1015         int     nf = 256 - HIBYTE(lpMidiStrm->dwTimeDiv);       /* number of frames     */
1016         int     nsf = LOBYTE(lpMidiStrm->dwTimeDiv);            /* number of sub-frames */
1017         ret = (pulse * 1000000) / (nf * nsf);
1018     } else {
1019         ret = (DWORD)((double)pulse * (double)lpMidiStrm->dwTempo /
1020                       (double)lpMidiStrm->dwTimeDiv);
1021     }
1022
1023     return ret; /* in microseconds */
1024 }
1025
1026 static DWORD midistream_get_playing_position(WINE_MIDIStream* lpMidiStrm)
1027 {
1028     switch (lpMidiStrm->status) {
1029     case MSM_STATUS_STOPPED:
1030     case MSM_STATUS_PAUSED:
1031         return lpMidiStrm->dwElapsedMS;
1032     case MSM_STATUS_PLAYING:
1033         return timeGetTime() - lpMidiStrm->dwStartTicks;
1034     default:
1035         FIXME("Unknown playing status %hu\n", lpMidiStrm->status);
1036         return 0;
1037     }
1038 }
1039
1040 /**************************************************************************
1041  *                      MMSYSTEM_MidiStream_MessageHandler      [internal]
1042  */
1043 static  BOOL    MMSYSTEM_MidiStream_MessageHandler(WINE_MIDIStream* lpMidiStrm, LPWINE_MIDI lpwm, LPMSG msg)
1044 {
1045     LPMIDIHDR   lpMidiHdr;
1046     LPMIDIHDR*  lpmh;
1047     LPBYTE      lpData;
1048
1049     for (;;) {
1050         switch (msg->message) {
1051         case WM_QUIT:
1052             return FALSE;
1053         case WINE_MSM_STOP:
1054             TRACE("STOP\n");
1055             EnterCriticalSection(&lpMidiStrm->lock);
1056             lpMidiStrm->status = MSM_STATUS_STOPPED;
1057             lpMidiStrm->dwPulses = 0;
1058             lpMidiStrm->dwElapsedMS = 0;
1059             lpMidiStrm->position_usec = 0;
1060             lpMidiStrm->dwLastPositionMS = 0;
1061             LeaveCriticalSection(&lpMidiStrm->lock);
1062             /* this is not quite what MS doc says... */
1063             midiOutReset(lpMidiStrm->hDevice);
1064             /* empty list of already submitted buffers */
1065             lpMidiHdr = lpMidiStrm->lpMidiHdr;
1066             lpMidiStrm->lpMidiHdr = NULL;
1067             while (lpMidiHdr) {
1068                 LPMIDIHDR lphdr = lpMidiHdr;
1069                 lpMidiHdr = lpMidiHdr->lpNext;
1070                 lphdr->dwFlags |= MHDR_DONE;
1071                 lphdr->dwFlags &= ~MHDR_INQUEUE;
1072
1073                 DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1074                                (HDRVR)lpMidiStrm->hDevice, MM_MOM_DONE,
1075                                lpwm->mod.dwInstance, (DWORD_PTR)lphdr, 0);
1076             }
1077             SetEvent((HANDLE)msg->wParam);
1078             return TRUE;
1079         case WINE_MSM_RESUME:
1080             /* FIXME: send out cc64 0 (turn off sustain pedal) on every channel */
1081             if (lpMidiStrm->status != MSM_STATUS_PLAYING) {
1082                 EnterCriticalSection(&lpMidiStrm->lock);
1083                 lpMidiStrm->dwStartTicks = timeGetTime() - lpMidiStrm->dwElapsedMS;
1084                 lpMidiStrm->status = MSM_STATUS_PLAYING;
1085                 LeaveCriticalSection(&lpMidiStrm->lock);
1086             }
1087             SetEvent((HANDLE)msg->wParam);
1088             return TRUE;
1089         case WINE_MSM_PAUSE:
1090             /* FIXME: send out cc64 0 (turn off sustain pedal) on every channel */
1091             if (lpMidiStrm->status != MSM_STATUS_PAUSED) {
1092                 EnterCriticalSection(&lpMidiStrm->lock);
1093                 lpMidiStrm->dwElapsedMS = timeGetTime() - lpMidiStrm->dwStartTicks;
1094                 lpMidiStrm->status = MSM_STATUS_PAUSED;
1095                 LeaveCriticalSection(&lpMidiStrm->lock);
1096             }
1097             SetEvent((HANDLE)msg->wParam);
1098             break;
1099         /* FIXME(EPP): "I don't understand the content of the first MIDIHDR sent
1100          * by native mcimidi, it doesn't look like a correct one".
1101          * this trick allows us to throw it away... but I don't like it.
1102          * It looks like part of the file I'm trying to play and definitively looks
1103          * like raw midi content.
1104          * I'd really like to understand why native mcimidi sends it. Perhaps a bad
1105          * synchronization issue where native mcimidi is still processing raw MIDI
1106          * content before generating MIDIEVENTs ?
1107          *
1108          * 4c 04 89 3b 00 81 7c 99 3b 43 00 99 23 5e 04 89 L..;..|.;C..#^..
1109          * 3b 00 00 89 23 00 7c 99 3b 45 00 99 28 62 04 89 ;...#.|.;E..(b..
1110          * 3b 00 00 89 28 00 81 7c 99 3b 4e 00 99 23 5e 04 ;...(..|.;N..#^.
1111          * 89 3b 00 00 89 23 00 7c 99 3b 45 00 99 23 78 04 .;...#.|.;E..#x.
1112          * 89 3b 00 00 89 23 00 81 7c 99 3b 48 00 99 23 5e .;...#..|.;H..#^
1113          * 04 89 3b 00 00 89 23 00 7c 99 3b 4e 00 99 28 62 ..;...#.|.;N..(b
1114          * 04 89 3b 00 00 89 28 00 81 7c 99 39 4c 00 99 23 ..;...(..|.9L..#
1115          * 5e 04 89 39 00 00 89 23 00 82 7c 99 3b 4c 00 99 ^..9...#..|.;L..
1116          * 23 5e 04 89 3b 00 00 89 23 00 7c 99 3b 48 00 99 #^..;...#.|.;H..
1117          * 28 62 04 89 3b 00 00 89 28 00 81 7c 99 3b 3f 04 (b..;...(..|.;?.
1118          * 89 3b 00 1c 99 23 5e 04 89 23 00 5c 99 3b 45 00 .;...#^..#.\.;E.
1119          * 99 23 78 04 89 3b 00 00 89 23 00 81 7c 99 3b 46 .#x..;...#..|.;F
1120          * 00 99 23 5e 04 89 3b 00 00 89 23 00 7c 99 3b 48 ..#^..;...#.|.;H
1121          * 00 99 28 62 04 89 3b 00 00 89 28 00 81 7c 99 3b ..(b..;...(..|.;
1122          * 46 00 99 23 5e 04 89 3b 00 00 89 23 00 7c 99 3b F..#^..;...#.|.;
1123          * 48 00 99 23 78 04 89 3b 00 00 89 23 00 81 7c 99 H..#x..;...#..|.
1124          * 3b 4c 00 99 23 5e 04 89 3b 00 00 89 23 00 7c 99 ;L..#^..;...#.|.
1125          */
1126         case WINE_MSM_HEADER:
1127             /* sets initial tick count for first MIDIHDR */
1128             if (!lpMidiStrm->dwStartTicks)
1129                 lpMidiStrm->dwStartTicks = timeGetTime();
1130             lpMidiHdr = (LPMIDIHDR)msg->lParam;
1131             lpData = (LPBYTE)lpMidiHdr->lpData;
1132             TRACE("Adding %s lpMidiHdr=%p [lpData=0x%p dwBytesRecorded=%u/%u dwFlags=0x%08x size=%lu]\n",
1133                   (lpMidiHdr->dwFlags & MHDR_ISSTRM) ? "stream" : "regular", lpMidiHdr,
1134                   lpData, lpMidiHdr->dwBytesRecorded, lpMidiHdr->dwBufferLength,
1135                   lpMidiHdr->dwFlags, msg->wParam);
1136 #if 0
1137             /* dumps content of lpMidiHdr->lpData
1138              * FIXME: there should be a debug routine somewhere that already does this
1139              */
1140             for (dwToGo = 0; dwToGo < lpMidiHdr->dwBufferLength; dwToGo += 16) {
1141                 DWORD       i;
1142                 BYTE        ch;
1143
1144                 for (i = 0; i < min(16, lpMidiHdr->dwBufferLength - dwToGo); i++)
1145                     printf("%02x ", lpData[dwToGo + i]);
1146                 for (; i < 16; i++)
1147                     printf("   ");
1148                 for (i = 0; i < min(16, lpMidiHdr->dwBufferLength - dwToGo); i++) {
1149                     ch = lpData[dwToGo + i];
1150                     printf("%c", (ch >= 0x20 && ch <= 0x7F) ? ch : '.');
1151                 }
1152                 printf("\n");
1153             }
1154 #endif
1155             if (((LPMIDIEVENT)lpData)->dwStreamID != 0 &&
1156                 ((LPMIDIEVENT)lpData)->dwStreamID != 0xFFFFFFFF &&
1157                 ((LPMIDIEVENT)lpData)->dwStreamID != lpMidiStrm->dwStreamID) {
1158                 FIXME("Dropping bad %s lpMidiHdr (streamID=%08x)\n",
1159                       (lpMidiHdr->dwFlags & MHDR_ISSTRM) ? "stream" : "regular",
1160                       ((LPMIDIEVENT)lpData)->dwStreamID);
1161                 lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
1162                 lpMidiHdr->dwFlags |= MHDR_DONE;
1163
1164                 DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1165                                (HDRVR)lpMidiStrm->hDevice, MM_MOM_DONE,
1166                                lpwm->mod.dwInstance, (DWORD_PTR)lpMidiHdr, 0);
1167                 break;
1168             }
1169
1170             lpMidiHdr->lpNext = 0;
1171             for (lpmh = &lpMidiStrm->lpMidiHdr; *lpmh; lpmh = &(*lpmh)->lpNext);
1172             *lpmh = lpMidiHdr;
1173             break;
1174         default:
1175             FIXME("Unknown message %d\n", msg->message);
1176             break;
1177         }
1178         if (lpMidiStrm->status != MSM_STATUS_PAUSED)
1179             return TRUE;
1180         GetMessageA(msg, 0, 0, 0);
1181     }
1182 }
1183
1184 /**************************************************************************
1185  *                              MMSYSTEM_MidiStream_Player      [internal]
1186  */
1187 static  DWORD   CALLBACK        MMSYSTEM_MidiStream_Player(LPVOID pmt)
1188 {
1189     WINE_MIDIStream*    lpMidiStrm = pmt;
1190     WINE_MIDI*          lpwm;
1191     MSG                 msg;
1192     DWORD               dwToGo;
1193     DWORD               dwCurrTC;
1194     LPMIDIHDR           lpMidiHdr;
1195     DWORD               dwOffset;
1196
1197     TRACE("(%p)!\n", lpMidiStrm);
1198
1199     if (!lpMidiStrm ||
1200         (lpwm = (LPWINE_MIDI)MMDRV_Get(lpMidiStrm->hDevice, MMDRV_MIDIOUT, FALSE)) == NULL)
1201         goto the_end;
1202
1203     /* force thread's queue creation */
1204     PeekMessageA(&msg, 0, 0, 0, PM_NOREMOVE);
1205
1206     lpMidiStrm->dwStartTicks = 0;
1207     lpMidiStrm->dwPulses = 0;
1208
1209     lpMidiStrm->lpMidiHdr = 0;
1210
1211     /* midiStreamOpen is waiting for ack */
1212     SetEvent(lpMidiStrm->hEvent);
1213
1214 start_header:
1215     lpMidiHdr = lpMidiStrm->lpMidiHdr;
1216     if (!lpMidiHdr) {
1217         /* for first message, block until one arrives, then process all that are available */
1218         GetMessageA(&msg, 0, 0, 0);
1219         do {
1220             if (!MMSYSTEM_MidiStream_MessageHandler(lpMidiStrm, lpwm, &msg))
1221                 goto the_end;
1222         } while (PeekMessageA(&msg, 0, 0, 0, PM_REMOVE));
1223         goto start_header;
1224     }
1225
1226     dwOffset = 0;
1227     while (dwOffset + offsetof(MIDIEVENT,dwParms) <= lpMidiHdr->dwBytesRecorded) {
1228         LPMIDIEVENT me = (LPMIDIEVENT)(lpMidiHdr->lpData+dwOffset);
1229
1230         /* do we have to wait ? */
1231         if (me->dwDeltaTime) {
1232             EnterCriticalSection(&lpMidiStrm->lock);
1233             lpMidiStrm->position_usec += MMSYSTEM_MidiStream_Convert(lpMidiStrm, me->dwDeltaTime);
1234             LeaveCriticalSection(&lpMidiStrm->lock);
1235
1236             dwToGo = lpMidiStrm->dwStartTicks + lpMidiStrm->position_usec / 1000;
1237
1238             TRACE("%u/%u/%u\n", dwToGo, timeGetTime(), me->dwDeltaTime);
1239             while (dwToGo - (dwCurrTC = timeGetTime()) <= MAXLONG) {
1240                 if (MsgWaitForMultipleObjects(0, NULL, FALSE, dwToGo - dwCurrTC, QS_ALLINPUT) == WAIT_OBJECT_0) {
1241                     /* got a message, handle it */
1242                     while (PeekMessageA(&msg, 0, 0, 0, PM_REMOVE)) {
1243                         if (!MMSYSTEM_MidiStream_MessageHandler(lpMidiStrm, lpwm, &msg))
1244                             goto the_end;
1245                         /* is lpMidiHdr still current? */
1246                         if (lpMidiHdr != lpMidiStrm->lpMidiHdr) {
1247                             goto start_header;
1248                         }
1249                     }
1250                     /* reset dwToGo because dwStartTicks might be updated */
1251                     dwToGo = lpMidiStrm->dwStartTicks + lpMidiStrm->position_usec / 1000;
1252                 } else {
1253                     /* timeout, so me->dwDeltaTime is elapsed, can break the while loop */
1254                     break;
1255                 }
1256             }
1257             EnterCriticalSection(&lpMidiStrm->lock);
1258             lpMidiStrm->dwPulses += me->dwDeltaTime;
1259             lpMidiStrm->dwLastPositionMS = midistream_get_playing_position(lpMidiStrm);
1260             LeaveCriticalSection(&lpMidiStrm->lock);
1261         }
1262         switch (MEVT_EVENTTYPE(me->dwEvent & ~MEVT_F_CALLBACK)) {
1263         case MEVT_COMMENT:
1264             FIXME("NIY: MEVT_COMMENT\n");
1265             /* do nothing, skip bytes */
1266             break;
1267         case MEVT_LONGMSG:
1268         {
1269             MIDIHDR mh;
1270             memset(&mh, 0, sizeof(mh));
1271             mh.lpData = (LPSTR)me->dwParms;
1272             mh.dwBufferLength = MEVT_EVENTPARM(me->dwEvent);
1273             midiOutPrepareHeader(lpMidiStrm->hDevice, &mh, sizeof(mh));
1274             midiOutLongMsg(lpMidiStrm->hDevice, &mh, sizeof(mh));
1275             midiOutUnprepareHeader(lpMidiStrm->hDevice, &mh, sizeof(mh));
1276             break;
1277         }
1278         case MEVT_NOP:
1279             break;
1280         case MEVT_SHORTMSG:
1281             midiOutShortMsg(lpMidiStrm->hDevice, MEVT_EVENTPARM(me->dwEvent));
1282             break;
1283         case MEVT_TEMPO:
1284             EnterCriticalSection(&lpMidiStrm->lock);
1285             lpMidiStrm->dwTempo = MEVT_EVENTPARM(me->dwEvent);
1286             LeaveCriticalSection(&lpMidiStrm->lock);
1287             break;
1288         case MEVT_VERSION:
1289             break;
1290         default:
1291             FIXME("Unknown MEVT (0x%02x)\n", MEVT_EVENTTYPE(me->dwEvent & ~MEVT_F_CALLBACK));
1292             break;
1293         }
1294         if (me->dwEvent & MEVT_F_CALLBACK) {
1295             /* native fills dwOffset regardless of the cbMidiHdr size argument to midiStreamOut */
1296             lpMidiHdr->dwOffset = dwOffset;
1297             DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1298                            (HDRVR)lpMidiStrm->hDevice, MM_MOM_POSITIONCB,
1299                            lpwm->mod.dwInstance, (LPARAM)lpMidiHdr, 0L);
1300         }
1301         dwOffset += offsetof(MIDIEVENT,dwParms);
1302         if (me->dwEvent & MEVT_F_LONG)
1303             dwOffset += (MEVT_EVENTPARM(me->dwEvent) + 3) & ~3;
1304     }
1305     /* done with this header */
1306     lpMidiStrm->lpMidiHdr = lpMidiHdr->lpNext;
1307     lpMidiHdr->dwFlags |= MHDR_DONE;
1308     lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
1309
1310     DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1311                    (HDRVR)lpMidiStrm->hDevice, MM_MOM_DONE,
1312                    lpwm->mod.dwInstance, (DWORD_PTR)lpMidiHdr, 0);
1313     goto start_header;
1314
1315 the_end:
1316     TRACE("End of thread\n");
1317     return 0;
1318 }
1319
1320 /**************************************************************************
1321  *                              midiStreamClose                 [WINMM.@]
1322  */
1323 MMRESULT WINAPI midiStreamClose(HMIDISTRM hMidiStrm)
1324 {
1325     WINE_MIDI*          lpwm;
1326     WINE_MIDIStream*    lpMidiStrm;
1327     MMRESULT            ret = 0;
1328
1329     TRACE("(%p)!\n", hMidiStrm);
1330
1331     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, &lpwm))
1332         return MMSYSERR_INVALHANDLE;
1333
1334     midiStreamStop(hMidiStrm);
1335     PostThreadMessageA(lpMidiStrm->dwThreadID, WM_QUIT, 0, 0);
1336     CloseHandle(lpMidiStrm->hEvent);
1337     if (lpMidiStrm->hThread) {
1338         if (GetCurrentThreadId() != lpMidiStrm->dwThreadID)
1339             WaitForSingleObject(lpMidiStrm->hThread, INFINITE);
1340         else {
1341             FIXME("leak from call within function callback\n");
1342             ret = MMSYSERR_HANDLEBUSY; /* yet don't signal it to app */
1343         }
1344         CloseHandle(lpMidiStrm->hThread);
1345     }
1346     DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1347                    (HDRVR)lpMidiStrm->hDevice, MM_MOM_CLOSE,
1348                    lpwm->mod.dwInstance, 0, 0);
1349     if(!ret) {
1350         lpMidiStrm->lock.DebugInfo->Spare[0] = 0;
1351         DeleteCriticalSection(&lpMidiStrm->lock);
1352         wine_midi_stream_free(lpMidiStrm);
1353     }
1354
1355     return midiOutClose((HMIDIOUT)hMidiStrm);
1356 }
1357
1358 /**************************************************************************
1359  *                              midiStreamOpen                  [WINMM.@]
1360  */
1361 MMRESULT WINAPI midiStreamOpen(HMIDISTRM* lphMidiStrm, LPUINT lpuDeviceID,
1362                                DWORD cMidi, DWORD_PTR dwCallback,
1363                                DWORD_PTR dwInstance, DWORD fdwOpen)
1364 {
1365     WINE_MIDIStream*    lpMidiStrm;
1366     MMRESULT            ret;
1367     MIDIOPENSTRMID      mosm;
1368     LPWINE_MIDI         lpwm;
1369     HMIDIOUT            hMidiOut;
1370
1371     TRACE("(%p, %p, %d, 0x%08lx, 0x%08lx, 0x%08x)!\n",
1372           lphMidiStrm, lpuDeviceID, cMidi, dwCallback, dwInstance, fdwOpen);
1373
1374     if (cMidi != 1 || lphMidiStrm == NULL || lpuDeviceID == NULL)
1375         return MMSYSERR_INVALPARAM;
1376
1377     ret = WINMM_CheckCallback(dwCallback, fdwOpen, FALSE);
1378     if (ret != MMSYSERR_NOERROR)
1379         return ret;
1380
1381     lpMidiStrm = wine_midi_stream_allocate();
1382     if (!lpMidiStrm)
1383         return MMSYSERR_NOMEM;
1384
1385     lpMidiStrm->dwTempo = 500000;  /* microseconds per quarter note, i.e. 120 BPM */
1386     lpMidiStrm->dwTimeDiv = 24;    /* ticks per quarter note */
1387     lpMidiStrm->position_usec = 0;
1388     lpMidiStrm->dwLastPositionMS = 0;
1389     lpMidiStrm->status = MSM_STATUS_PAUSED;
1390     lpMidiStrm->dwElapsedMS = 0;
1391
1392     mosm.dwStreamID = lpMidiStrm->dwStreamID;
1393     /* FIXME: the correct value is not allocated yet for MAPPER */
1394     mosm.wDeviceID  = *lpuDeviceID;
1395     lpwm = MIDI_OutAlloc(&hMidiOut, &dwCallback, &dwInstance, &fdwOpen, 1, &mosm);
1396     if (!lpwm) {
1397         HeapFree(GetProcessHeap(), 0, lpMidiStrm);
1398         return MMSYSERR_NOMEM;
1399     }
1400     lpMidiStrm->hDevice = hMidiOut;
1401     *lphMidiStrm = (HMIDISTRM)hMidiOut;
1402
1403     lpwm->mld.uDeviceID = *lpuDeviceID;
1404
1405     /* don't rely on midiOut callbacks */
1406     ret = MMDRV_Open(&lpwm->mld, MODM_OPEN, (DWORD_PTR)&lpwm->mod, CALLBACK_NULL);
1407     if (ret != MMSYSERR_NOERROR) {
1408         MMDRV_Free(hMidiOut, &lpwm->mld);
1409         HeapFree(GetProcessHeap(), 0, lpMidiStrm);
1410         return ret;
1411     }
1412
1413     InitializeCriticalSection(&lpMidiStrm->lock);
1414     lpMidiStrm->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": WINMM_MidiStream.lock");
1415
1416     lpMidiStrm->hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
1417     lpMidiStrm->wFlags = HIWORD(fdwOpen);
1418
1419     lpMidiStrm->hThread = CreateThread(NULL, 0, MMSYSTEM_MidiStream_Player,
1420                                        lpMidiStrm, 0, &(lpMidiStrm->dwThreadID));
1421
1422     if (!lpMidiStrm->hThread) {
1423         midiStreamClose((HMIDISTRM)hMidiOut);
1424         return MMSYSERR_NOMEM;
1425     }
1426     SetThreadPriority(lpMidiStrm->hThread, THREAD_PRIORITY_TIME_CRITICAL);
1427
1428     /* wait for thread to have started, and for its queue to be created */
1429     WaitForSingleObject(lpMidiStrm->hEvent, INFINITE);
1430
1431     TRACE("=> (%u/%d) hMidi=%p ret=%d lpMidiStrm=%p\n",
1432           *lpuDeviceID, lpwm->mld.uDeviceID, *lphMidiStrm, ret, lpMidiStrm);
1433
1434     DriverCallback(lpwm->mod.dwCallback, lpMidiStrm->wFlags,
1435                    (HDRVR)lpMidiStrm->hDevice, MM_MOM_OPEN,
1436                    lpwm->mod.dwInstance, 0, 0);
1437     return ret;
1438 }
1439
1440 /**************************************************************************
1441  *                              midiStreamOut                   [WINMM.@]
1442  */
1443 MMRESULT WINAPI midiStreamOut(HMIDISTRM hMidiStrm, LPMIDIHDR lpMidiHdr,
1444                               UINT cbMidiHdr)
1445 {
1446     WINE_MIDIStream*    lpMidiStrm;
1447     DWORD               ret = MMSYSERR_NOERROR;
1448
1449     TRACE("(%p, %p, %u)!\n", hMidiStrm, lpMidiHdr, cbMidiHdr);
1450
1451     if (cbMidiHdr < offsetof(MIDIHDR,dwOffset) || !lpMidiHdr || !lpMidiHdr->lpData
1452         || lpMidiHdr->dwBufferLength < lpMidiHdr->dwBytesRecorded
1453         || lpMidiHdr->dwBytesRecorded % 4 /* player expects DWORD padding */)
1454         return MMSYSERR_INVALPARAM;
1455     /* FIXME: Native additionally checks if the MIDIEVENTs in lpData
1456      * exactly fit dwBytesRecorded. */
1457
1458     if (!(lpMidiHdr->dwFlags & MHDR_PREPARED))
1459         return MIDIERR_UNPREPARED;
1460
1461     if (lpMidiHdr->dwFlags & MHDR_INQUEUE)
1462         return MIDIERR_STILLPLAYING;
1463
1464     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
1465         ret = MMSYSERR_INVALHANDLE;
1466     } else {
1467         lpMidiHdr->dwFlags |= MHDR_ISSTRM | MHDR_INQUEUE;
1468         lpMidiHdr->dwFlags &= ~MHDR_DONE;
1469         if (!PostThreadMessageA(lpMidiStrm->dwThreadID,
1470                                 WINE_MSM_HEADER, cbMidiHdr,
1471                                 (LPARAM)lpMidiHdr)) {
1472             ERR("bad PostThreadMessageA\n");
1473             ret = MMSYSERR_ERROR;
1474         }
1475     }
1476     return ret;
1477 }
1478
1479 static MMRESULT midistream_post_message_and_wait(WINE_MIDIStream* lpMidiStrm, UINT msg, LPARAM lParam)
1480 {
1481     HANDLE hObjects[2];
1482
1483     hObjects[0] = CreateEventW(NULL, FALSE, FALSE, NULL);
1484     if (!hObjects[0])
1485         return MMSYSERR_ERROR;
1486
1487     if (!PostThreadMessageA(lpMidiStrm->dwThreadID, msg, (WPARAM)hObjects[0], lParam)) {
1488         WARN("bad PostThreadMessage\n");
1489         CloseHandle(hObjects[0]);
1490         return MMSYSERR_ERROR;
1491     }
1492
1493     if (GetCurrentThreadId() != lpMidiStrm->dwThreadID) {
1494         DWORD ret;
1495         hObjects[1] = lpMidiStrm->hThread;
1496         ret = WaitForMultipleObjects(ARRAY_SIZE(hObjects), hObjects, FALSE, INFINITE);
1497         if (ret != WAIT_OBJECT_0) {
1498             CloseHandle(hObjects[0]);
1499             WARN("bad WaitForSingleObject (%u)\n", ret);
1500             return MMSYSERR_ERROR;
1501         }
1502     }
1503
1504     CloseHandle(hObjects[0]);
1505
1506     return MMSYSERR_NOERROR;
1507 }
1508
1509 /**************************************************************************
1510  *                              midiStreamPause                 [WINMM.@]
1511  */
1512 MMRESULT WINAPI midiStreamPause(HMIDISTRM hMidiStrm)
1513 {
1514     WINE_MIDIStream*    lpMidiStrm;
1515
1516     TRACE("(%p)!\n", hMidiStrm);
1517
1518     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL))
1519         return MMSYSERR_INVALHANDLE;
1520     return midistream_post_message_and_wait(lpMidiStrm, WINE_MSM_PAUSE, 0);
1521 }
1522
1523 static DWORD midistream_get_current_pulse(WINE_MIDIStream* lpMidiStrm)
1524 {
1525     DWORD pulses = 0;
1526     DWORD now = midistream_get_playing_position(lpMidiStrm);
1527     DWORD delta = now - lpMidiStrm->dwLastPositionMS;
1528     if (lpMidiStrm->dwTimeDiv > 0x8000) {
1529         /* SMPTE, unchecked FIXME */
1530         BYTE nf = 256 - HIBYTE(lpMidiStrm->dwTimeDiv);
1531         BYTE nsf = LOBYTE(lpMidiStrm->dwTimeDiv);
1532         pulses = (delta * nf * nsf) / 1000;
1533     }
1534     else if (lpMidiStrm->dwTimeDiv) {
1535         pulses = (DWORD)((double)(delta * lpMidiStrm->dwTimeDiv) *
1536                          1000.0 / (double)lpMidiStrm->dwTempo);
1537     }
1538     return lpMidiStrm->dwPulses + pulses;
1539 }
1540
1541 /**************************************************************************
1542  *                              midiStreamPosition              [WINMM.@]
1543  */
1544 MMRESULT WINAPI midiStreamPosition(HMIDISTRM hMidiStrm, LPMMTIME lpMMT, UINT cbmmt)
1545 {
1546     WINE_MIDIStream*    lpMidiStrm;
1547     DWORD               ret = MMSYSERR_NOERROR;
1548
1549     TRACE("(%p, %p, %u)!\n", hMidiStrm, lpMMT, cbmmt);
1550
1551     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
1552         ret = MMSYSERR_INVALHANDLE;
1553     } else if (lpMMT == NULL || cbmmt != sizeof(MMTIME)) {
1554         ret = MMSYSERR_INVALPARAM;
1555     } else {
1556         EnterCriticalSection(&lpMidiStrm->lock);
1557         switch (lpMMT->wType) {
1558         case TIME_MIDI:
1559             if (lpMidiStrm->dwTimeDiv < 0x8000) {
1560                 DWORD tdiv, pulses;
1561                 tdiv = (lpMidiStrm->dwTimeDiv > 24) ? lpMidiStrm->dwTimeDiv : 24;
1562                 pulses = midistream_get_current_pulse(lpMidiStrm);
1563                 lpMMT->u.midi.songptrpos = (pulses + tdiv/8) / (tdiv/4);
1564                 if (!lpMMT->u.midi.songptrpos && pulses) lpMMT->u.midi.songptrpos++;
1565                 TRACE("=> song position %d (pulses %u, tdiv %u)\n", lpMMT->u.midi.songptrpos, pulses, tdiv);
1566                 break;
1567             }
1568         /* fall through */
1569         case TIME_BYTES:
1570         case TIME_SAMPLES:
1571             lpMMT->wType = TIME_MS;
1572             /* fall through to alternative format */
1573         case TIME_MS:
1574             lpMMT->u.ms = midistream_get_playing_position(lpMidiStrm);
1575             TRACE("=> %d ms\n", lpMMT->u.ms);
1576             break;
1577         case TIME_TICKS:
1578             lpMMT->u.ticks = midistream_get_current_pulse(lpMidiStrm);
1579             TRACE("=> %d ticks\n", lpMMT->u.ticks);
1580             break;
1581         default:
1582             FIXME("Unsupported time type %x\n", lpMMT->wType);
1583             /* use TIME_MS instead */
1584             lpMMT->wType = TIME_MS;
1585             lpMMT->u.ms = midistream_get_playing_position(lpMidiStrm);
1586             TRACE("=> %d ms\n", lpMMT->u.ms);
1587             break;
1588         }
1589         LeaveCriticalSection(&lpMidiStrm->lock);
1590     }
1591     return ret;
1592 }
1593
1594 /**************************************************************************
1595  *                              midiStreamProperty              [WINMM.@]
1596  */
1597 MMRESULT WINAPI midiStreamProperty(HMIDISTRM hMidiStrm, LPBYTE lpPropData, DWORD dwProperty)
1598 {
1599     WINE_MIDIStream*    lpMidiStrm;
1600     MMRESULT            ret = MMSYSERR_NOERROR;
1601
1602     TRACE("(%p, %p, %x)\n", hMidiStrm, lpPropData, dwProperty);
1603
1604     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
1605         ret = MMSYSERR_INVALHANDLE;
1606     } else if ((dwProperty & (MIDIPROP_GET|MIDIPROP_SET)) == 0) {
1607         ret = MMSYSERR_INVALPARAM;
1608     } else if (dwProperty & MIDIPROP_TEMPO) {
1609         MIDIPROPTEMPO*  mpt = (MIDIPROPTEMPO*)lpPropData;
1610
1611         EnterCriticalSection(&lpMidiStrm->lock);
1612         if (sizeof(MIDIPROPTEMPO) != mpt->cbStruct) {
1613             ret = MMSYSERR_INVALPARAM;
1614         } else if (dwProperty & MIDIPROP_SET) {
1615             lpMidiStrm->dwTempo = mpt->dwTempo;
1616             TRACE("Setting tempo to %d\n", mpt->dwTempo);
1617         } else if (dwProperty & MIDIPROP_GET) {
1618             mpt->dwTempo = lpMidiStrm->dwTempo;
1619             TRACE("Getting tempo <= %d\n", mpt->dwTempo);
1620         }
1621         LeaveCriticalSection(&lpMidiStrm->lock);
1622     } else if (dwProperty & MIDIPROP_TIMEDIV) {
1623         MIDIPROPTIMEDIV*        mptd = (MIDIPROPTIMEDIV*)lpPropData;
1624
1625         if (sizeof(MIDIPROPTIMEDIV) != mptd->cbStruct) {
1626             ret = MMSYSERR_INVALPARAM;
1627         } else if (dwProperty & MIDIPROP_SET) {
1628             EnterCriticalSection(&lpMidiStrm->lock);
1629             if (lpMidiStrm->status != MSM_STATUS_PLAYING) {
1630                 lpMidiStrm->dwTimeDiv = mptd->dwTimeDiv;
1631                 TRACE("Setting time div to %d\n", mptd->dwTimeDiv);
1632             }
1633             else
1634                 ret = MMSYSERR_INVALPARAM;
1635             LeaveCriticalSection(&lpMidiStrm->lock);
1636         } else if (dwProperty & MIDIPROP_GET) {
1637             mptd->dwTimeDiv = lpMidiStrm->dwTimeDiv;
1638             TRACE("Getting time div <= %d\n", mptd->dwTimeDiv);
1639         }
1640     } else {
1641         ret = MMSYSERR_INVALPARAM;
1642     }
1643
1644     return ret;
1645 }
1646
1647 /**************************************************************************
1648  *                              midiStreamRestart               [WINMM.@]
1649  */
1650 MMRESULT WINAPI midiStreamRestart(HMIDISTRM hMidiStrm)
1651 {
1652     WINE_MIDIStream*    lpMidiStrm;
1653
1654     TRACE("(%p)!\n", hMidiStrm);
1655
1656     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL))
1657         return MMSYSERR_INVALHANDLE;
1658     return midistream_post_message_and_wait(lpMidiStrm, WINE_MSM_RESUME, 0);
1659 }
1660
1661 /**************************************************************************
1662  *                              midiStreamStop                  [WINMM.@]
1663  */
1664 MMRESULT WINAPI midiStreamStop(HMIDISTRM hMidiStrm)
1665 {
1666     WINE_MIDIStream*    lpMidiStrm;
1667
1668     TRACE("(%p)!\n", hMidiStrm);
1669
1670     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL))
1671         return MMSYSERR_INVALHANDLE;
1672     return midistream_post_message_and_wait(lpMidiStrm, WINE_MSM_STOP, 0);
1673 }
1674
1675 struct mm_starter
1676 {
1677     LPTASKCALLBACK      cb;
1678     DWORD               client;
1679     HANDLE              event;
1680 };
1681
1682 static DWORD WINAPI mmTaskRun(void* pmt)
1683 {
1684     struct mm_starter mms;
1685
1686     memcpy(&mms, pmt, sizeof(struct mm_starter));
1687     HeapFree(GetProcessHeap(), 0, pmt);
1688     mms.cb(mms.client);
1689     if (mms.event) SetEvent(mms.event);
1690     return 0;
1691 }
1692
1693 /******************************************************************
1694  *              mmTaskCreate (WINMM.@)
1695  */
1696 UINT     WINAPI mmTaskCreate(LPTASKCALLBACK cb, HANDLE* ph, DWORD_PTR client)
1697 {
1698     HANDLE               hThread;
1699     HANDLE               hEvent = 0;
1700     struct mm_starter   *mms;
1701
1702     mms = HeapAlloc(GetProcessHeap(), 0, sizeof(struct mm_starter));
1703     if (mms == NULL) return TASKERR_OUTOFMEMORY;
1704
1705     mms->cb = cb;
1706     mms->client = client;
1707     if (ph) hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
1708     mms->event = hEvent;
1709
1710     hThread = CreateThread(0, 0, mmTaskRun, mms, 0, NULL);
1711     if (!hThread) {
1712         HeapFree(GetProcessHeap(), 0, mms);
1713         if (hEvent) CloseHandle(hEvent);
1714         return TASKERR_OUTOFMEMORY;
1715     }
1716     SetThreadPriority(hThread, THREAD_PRIORITY_TIME_CRITICAL);
1717     if (ph) *ph = hEvent;
1718     CloseHandle(hThread);
1719     return 0;
1720 }
1721
1722 /******************************************************************
1723  *              mmTaskBlock (WINMM.@)
1724  */
1725 VOID     WINAPI mmTaskBlock(DWORD tid)
1726 {
1727     MSG         msg;
1728
1729     do
1730     {
1731         GetMessageA(&msg, 0, 0, 0);
1732         if (msg.hwnd) DispatchMessageA(&msg);
1733     } while (msg.message != WM_USER);
1734 }
1735
1736 /******************************************************************
1737  *              mmTaskSignal (WINMM.@)
1738  */
1739 BOOL     WINAPI mmTaskSignal(DWORD tid)
1740 {
1741     return PostThreadMessageW(tid, WM_USER, 0, 0);
1742 }
1743
1744 /******************************************************************
1745  *              mmTaskYield (WINMM.@)
1746  */
1747 VOID     WINAPI mmTaskYield(VOID) {}
1748
1749 /******************************************************************
1750  *              mmGetCurrentTask (WINMM.@)
1751  */
1752 DWORD    WINAPI mmGetCurrentTask(VOID)
1753 {
1754     return GetCurrentThreadId();
1755 }