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