dlls/winmm/playsound.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2
   3 /*
   4  * MMSYSTEM 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 #include <stdarg.h>
  25 #include <string.h>
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "mmsystem.h"
  30 #include "wingdi.h"
  31 #include "winuser.h"
  32 #include "winreg.h"
  33 #include "winemm.h"
  34 #include "winternl.h"
  35
  36 #include "wine/debug.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(winmm);
  39
  40 typedef struct tagWINE_PLAYSOUND
  41 {
  42     unsigned                    bLoop : 1,
  43                                 bAlloc : 1;
  44     LPCWSTR                     pszSound;
  45     HMODULE                     hMod;
  46     DWORD                       fdwSound;
  47     HANDLE                      hThread;
  48     struct tagWINE_PLAYSOUND*   lpNext;
  49 } WINE_PLAYSOUND;
  50
  51 static WINE_PLAYSOUND *PlaySoundList;
  52 static BOOL bPlaySoundStop;
  53
  54 static HMMIO    get_mmioFromFile(LPCWSTR lpszName)
  55 {
  56     HMMIO       ret;
  57     WCHAR       buf[256];
  58     LPWSTR      dummy;
  59
  60     ret = mmioOpenW((LPWSTR)lpszName, NULL,
  61                     MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
  62     if (ret != 0) return ret;
  63     if (SearchPathW(NULL, lpszName, NULL, sizeof(buf)/sizeof(buf[0]), buf, &dummy))
  64     {
  65         return mmioOpenW(buf, NULL,
  66                          MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
  67     }
  68     return 0;
  69 }
  70
  71 static HMMIO    get_mmioFromProfile(UINT uFlags, LPCWSTR lpszName)
  72 {
  73     WCHAR       str[128];
  74     LPWSTR      ptr;
  75     HMMIO       hmmio;
  76     HKEY        hRegSnd, hRegApp, hScheme, hSnd;
  77     DWORD       err, type, count;
  78
  79     static const WCHAR  wszSounds[] = {'S','o','u','n','d','s',0};
  80     static const WCHAR  wszDefault[] = {'D','e','f','a','u','l','t',0};
  81     static const WCHAR  wszKey[] = {'A','p','p','E','v','e','n','t','s','\\',
  82                                     'S','c','h','e','m','e','s','\\',
  83                                     'A','p','p','s',0};
  84     static const WCHAR  wszDotDefault[] = {'.','D','e','f','a','u','l','t',0};
  85     static const WCHAR  wszDotCurrent[] = {'.','C','u','r','r','e','n','t',0};
  86     static const WCHAR  wszNull[] = {0};
  87
  88     TRACE("searching in SystemSound list for %s\n", debugstr_w(lpszName));
  89     GetProfileStringW(wszSounds, lpszName, wszNull, str, sizeof(str)/sizeof(str[0]));
  90     if (lstrlenW(str) == 0)
  91     {
  92         if (uFlags & SND_NODEFAULT) goto next;
  93         GetProfileStringW(wszSounds, wszDefault, wszNull, str, sizeof(str)/sizeof(str[0]));
  94         if (lstrlenW(str) == 0) goto next;
  95     }
  96     for (ptr = str; *ptr && *ptr != ','; ptr++);
  97     if (*ptr) *ptr = 0;
  98     hmmio = mmioOpenW(str, NULL, MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
  99     if (hmmio != 0) return hmmio;
 100  next:
 101     /* we look up the registry under
 102      *      HKCU\AppEvents\Schemes\Apps\.Default
 103      *      HKCU\AppEvents\Schemes\Apps\<AppName>
 104      */
 105     if (RegOpenKeyW(HKEY_CURRENT_USER, wszKey, &hRegSnd) != 0) goto none;
 106     if (uFlags & SND_APPLICATION)
 107     {
 108         DWORD len;
 109
 110         err = 1; /* error */
 111         len = GetModuleFileNameW(0, str, sizeof(str)/sizeof(str[0]));
 112         if (len > 0 && len < sizeof(str)/sizeof(str[0]))
 113         {
 114             for (ptr = str + lstrlenW(str) - 1; ptr >= str; ptr--)
 115             {
 116                 if (*ptr == '.') *ptr = 0;
 117                 if (*ptr == '\\')
 118                 {
 119                     err = RegOpenKeyW(hRegSnd, ptr+1, &hRegApp);
 120                     break;
 121                 }
 122             }
 123         }
 124     }
 125     else
 126     {
 127         err = RegOpenKeyW(hRegSnd, wszDotDefault, &hRegApp);
 128     }
 129     RegCloseKey(hRegSnd);
 130     if (err != 0) goto none;
 131     err = RegOpenKeyW(hRegApp, lpszName, &hScheme);
 132     RegCloseKey(hRegApp);
 133     if (err != 0) goto none;
 134     /* what's the difference between .Current and .Default ? */
 135     err = RegOpenKeyW(hScheme, wszDotDefault, &hSnd);
 136     if (err != 0)
 137     {
 138         err = RegOpenKeyW(hScheme, wszDotCurrent, &hSnd);
 139         RegCloseKey(hScheme);
 140         if (err != 0)
 141             goto none;
 142     }
 143     count = sizeof(str)/sizeof(str[0]);
 144     err = RegQueryValueExW(hSnd, NULL, 0, &type, (LPBYTE)str, &count);
 145     RegCloseKey(hSnd);
 146     if (err != 0 || !*str) goto none;
 147     hmmio = mmioOpenW(str, NULL, MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
 148     if (hmmio) return hmmio;
 149  none:
 150     WARN("can't find SystemSound=%s !\n", debugstr_w(lpszName));
 151     return 0;
 152 }
 153
 154 struct playsound_data
 155 {
 156     HANDLE      hEvent;
 157     LONG        dwEventCount;
 158 };
 159
 160 static void CALLBACK PlaySound_Callback(HWAVEOUT hwo, UINT uMsg,
 161                                         DWORD_PTR dwInstance,
 162                                         DWORD_PTR dwParam1, DWORD_PTR dwParam2)
 163 {
 164     struct playsound_data*      s = (struct playsound_data*)dwInstance;
 165
 166     switch (uMsg) {
 167     case WOM_OPEN:
 168     case WOM_CLOSE:
 169         break;
 170     case WOM_DONE:
 171         InterlockedIncrement(&s->dwEventCount);
 172         TRACE("Returning waveHdr=%lx\n", dwParam1);
 173         SetEvent(s->hEvent);
 174         break;
 175     default:
 176         ERR("Unknown uMsg=%d\n", uMsg);
 177     }
 178 }
 179
 180 static void PlaySound_WaitDone(struct playsound_data* s)
 181 {
 182     for (;;) {
 183         if (InterlockedDecrement(&s->dwEventCount) >= 0) break;
 184         InterlockedIncrement(&s->dwEventCount);
 185
 186         WaitForSingleObject(s->hEvent, INFINITE);
 187     }
 188 }
 189
 190 static BOOL PlaySound_IsString(DWORD fdwSound, const void* psz)
 191 {
 192     /* SND_RESOURCE is 0x40004 while
 193      * SND_MEMORY is 0x00004
 194      */
 195     switch (fdwSound & (SND_RESOURCE|SND_ALIAS_ID|SND_FILENAME))
 196     {
 197     case SND_RESOURCE:  return HIWORD(psz) != 0; /* by name or by ID ? */
 198     case SND_ALIAS_ID:
 199     case SND_MEMORY:    return FALSE;
 200     case SND_ALIAS:
 201     case SND_FILENAME:
 202     case SND_ALIAS|SND_FILENAME:
 203     case 0:             return TRUE;
 204     default:            FIXME("WTF\n"); return FALSE;
 205     }
 206 }
 207
 208 static void     PlaySound_Free(WINE_PLAYSOUND* wps)
 209 {
 210     WINE_PLAYSOUND**    p;
 211
 212     EnterCriticalSection(&WINMM_cs);
 213     for (p = &PlaySoundList; *p && *p != wps; p = &((*p)->lpNext));
 214     if (*p) *p = (*p)->lpNext;
 215     if (PlaySoundList == NULL) SetEvent(psLastEvent);
 216     LeaveCriticalSection(&WINMM_cs);
 217     if (wps->bAlloc) HeapFree(GetProcessHeap(), 0, (void*)wps->pszSound);
 218     if (wps->hThread) CloseHandle(wps->hThread);
 219     HeapFree(GetProcessHeap(), 0, wps);
 220 }
 221
 222 static WINE_PLAYSOUND*  PlaySound_Alloc(const void* pszSound, HMODULE hmod,
 223                                         DWORD fdwSound, BOOL bUnicode)
 224 {
 225     WINE_PLAYSOUND* wps;
 226
 227     wps = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*wps));
 228     if (!wps) return NULL;
 229
 230     wps->hMod = hmod;
 231     wps->fdwSound = fdwSound;
 232     if (PlaySound_IsString(fdwSound, pszSound))
 233     {
 234         if (bUnicode)
 235         {
 236             if (fdwSound & SND_ASYNC)
 237             {
 238                 LPWSTR sound = HeapAlloc(GetProcessHeap(), 0,
 239                                          (lstrlenW(pszSound)+1) * sizeof(WCHAR));
 240                 if (!sound) goto oom_error;
 241                 wps->pszSound = lstrcpyW(sound, pszSound);
 242                 wps->bAlloc = TRUE;
 243             }
 244             else
 245                 wps->pszSound = pszSound;
 246         }
 247         else
 248         {
 249             UNICODE_STRING usBuffer;
 250             RtlCreateUnicodeStringFromAsciiz(&usBuffer, pszSound);
 251             wps->pszSound = usBuffer.Buffer;
 252             if (!wps->pszSound) goto oom_error;
 253             wps->bAlloc = TRUE;
 254         }
 255     }
 256     else
 257         wps->pszSound = pszSound;
 258
 259     return wps;
 260  oom_error:
 261     PlaySound_Free(wps);
 262     return NULL;
 263 }
 264
 265 static DWORD WINAPI proc_PlaySound(LPVOID arg)
 266 {
 267     WINE_PLAYSOUND*     wps = arg;
 268     BOOL                bRet = FALSE;
 269     HMMIO               hmmio = 0;
 270     MMCKINFO            ckMainRIFF;
 271     MMCKINFO            mmckInfo;
 272     LPWAVEFORMATEX      lpWaveFormat = NULL;
 273     HWAVEOUT            hWave = 0;
 274     LPWAVEHDR           waveHdr = NULL;
 275     INT                 count, bufsize, left, index;
 276     struct playsound_data       s;
 277     void*               data;
 278
 279     s.hEvent = 0;
 280
 281     TRACE("SoundName=%s !\n", debugstr_w(wps->pszSound));
 282
 283     /* if resource, grab it */
 284     if ((wps->fdwSound & SND_RESOURCE) == SND_RESOURCE) {
 285         static const WCHAR wszWave[] = {'W','A','V','E',0};
 286         HRSRC   hRes;
 287         HGLOBAL hGlob;
 288
 289         if ((hRes = FindResourceW(wps->hMod, wps->pszSound, wszWave)) == 0 ||
 290             (hGlob = LoadResource(wps->hMod, hRes)) == 0)
 291             goto errCleanUp;
 292         if ((data = LockResource(hGlob)) == NULL) {
 293             FreeResource(hGlob);
 294             goto errCleanUp;
 295         }
 296         FreeResource(hGlob);
 297     } else
 298         data = (void*)wps->pszSound;
 299
 300     /* construct an MMIO stream (either in memory, or from a file */
 301     if (wps->fdwSound & SND_MEMORY)
 302     { /* NOTE: SND_RESOURCE has the SND_MEMORY bit set */
 303         MMIOINFO        mminfo;
 304
 305         memset(&mminfo, 0, sizeof(mminfo));
 306         mminfo.fccIOProc = FOURCC_MEM;
 307         mminfo.pchBuffer = data;
 308         mminfo.cchBuffer = -1; /* FIXME: when a resource, could grab real size */
 309         TRACE("Memory sound %p\n", data);
 310         hmmio = mmioOpenW(NULL, &mminfo, MMIO_READ);
 311     }
 312     if (!hmmio && wps->fdwSound & SND_ALIAS)
 313     {
 314         if ((wps->fdwSound & SND_ALIAS_ID) == SND_ALIAS_ID)
 315         {
 316             static const WCHAR  wszSystemAsterisk[] = {'S','y','s','t','e','m','A','s','t','e','r','i','s','k',0};
 317             static const WCHAR  wszSystemDefault[] = {'S','y','s','t','e','m','D','e','f','a','u','l','t',0};
 318             static const WCHAR  wszSystemExclamation[] = {'S','y','s','t','e','m','E','x','c','l','a','m','a','t','i','o','n',0};
 319             static const WCHAR  wszSystemExit[] = {'S','y','s','t','e','m','E','x','i','t',0};
 320             static const WCHAR  wszSystemHand[] = {'S','y','s','t','e','m','H','a','n','d',0};
 321             static const WCHAR  wszSystemQuestion[] = {'S','y','s','t','e','m','Q','u','e','s','t','i','o','n',0};
 322             static const WCHAR  wszSystemStart[] = {'S','y','s','t','e','m','S','t','a','r','t',0};
 323             static const WCHAR  wszSystemWelcome[] = {'S','y','s','t','e','m','W','e','l','c','o','m','e',0};
 324
 325             wps->fdwSound &= ~(SND_ALIAS_ID ^ SND_ALIAS);
 326             if (wps->pszSound == (LPCWSTR)SND_ALIAS_SYSTEMASTERISK)
 327                 wps->pszSound = wszSystemAsterisk;
 328             else if (wps->pszSound == (LPCWSTR)SND_ALIAS_SYSTEMDEFAULT)
 329                 wps->pszSound = wszSystemDefault;
 330             else if (wps->pszSound == (LPCWSTR)SND_ALIAS_SYSTEMEXCLAMATION)
 331                 wps->pszSound = wszSystemExclamation;
 332             else if (wps->pszSound == (LPCWSTR)SND_ALIAS_SYSTEMEXIT)
 333                 wps->pszSound = wszSystemExit;
 334             else if (wps->pszSound == (LPCWSTR)SND_ALIAS_SYSTEMHAND)
 335                 wps->pszSound = wszSystemHand;
 336             else if (wps->pszSound == (LPCWSTR)SND_ALIAS_SYSTEMQUESTION)
 337                 wps->pszSound = wszSystemQuestion;
 338             else if (wps->pszSound == (LPCWSTR)SND_ALIAS_SYSTEMSTART)
 339                 wps->pszSound = wszSystemStart;
 340             else if (wps->pszSound == (LPCWSTR)SND_ALIAS_SYSTEMWELCOME)
 341                 wps->pszSound = wszSystemWelcome;
 342             else goto errCleanUp;
 343         }
 344         hmmio = get_mmioFromProfile(wps->fdwSound, wps->pszSound);
 345     }
 346     if (!hmmio && wps->fdwSound & SND_FILENAME)
 347     {
 348         hmmio = get_mmioFromFile(wps->pszSound);
 349     }
 350     if (!(wps->fdwSound & (SND_FILENAME|SND_ALIAS|SND_MEMORY)))
 351     {
 352         if ((hmmio = get_mmioFromProfile(wps->fdwSound | SND_NODEFAULT, wps->pszSound)) == 0)
 353         {
 354             if ((hmmio = get_mmioFromFile(wps->pszSound)) == 0)
 355             {
 356                 hmmio = get_mmioFromProfile(wps->fdwSound, wps->pszSound);
 357             }
 358         }
 359     }
 360     if (hmmio == 0) goto errCleanUp;
 361
 362     if (mmioDescend(hmmio, &ckMainRIFF, NULL, 0))
 363         goto errCleanUp;
 364
 365     TRACE("ParentChunk ckid=%.4s fccType=%.4s cksize=%08X\n",
 366           (LPSTR)&ckMainRIFF.ckid, (LPSTR)&ckMainRIFF.fccType, ckMainRIFF.cksize);
 367
 368     if ((ckMainRIFF.ckid != FOURCC_RIFF) ||
 369         (ckMainRIFF.fccType != mmioFOURCC('W', 'A', 'V', 'E')))
 370         goto errCleanUp;
 371
 372     mmckInfo.ckid = mmioFOURCC('f', 'm', 't', ' ');
 373     if (mmioDescend(hmmio, &mmckInfo, &ckMainRIFF, MMIO_FINDCHUNK))
 374         goto errCleanUp;
 375
 376     TRACE("Chunk Found ckid=%.4s fccType=%08x cksize=%08X\n",
 377           (LPSTR)&mmckInfo.ckid, mmckInfo.fccType, mmckInfo.cksize);
 378
 379     lpWaveFormat = HeapAlloc(GetProcessHeap(), 0, mmckInfo.cksize);
 380     if (mmioRead(hmmio, (HPSTR)lpWaveFormat, mmckInfo.cksize) < sizeof(PCMWAVEFORMAT))
 381         goto errCleanUp;
 382
 383     TRACE("wFormatTag=%04X !\n",        lpWaveFormat->wFormatTag);
 384     TRACE("nChannels=%d\n",             lpWaveFormat->nChannels);
 385     TRACE("nSamplesPerSec=%d\n",        lpWaveFormat->nSamplesPerSec);
 386     TRACE("nAvgBytesPerSec=%d\n",       lpWaveFormat->nAvgBytesPerSec);
 387     TRACE("nBlockAlign=%d\n",           lpWaveFormat->nBlockAlign);
 388     TRACE("wBitsPerSample=%u !\n",      lpWaveFormat->wBitsPerSample);
 389
 390     /* move to end of 'fmt ' chunk */
 391     mmioAscend(hmmio, &mmckInfo, 0);
 392
 393     mmckInfo.ckid = mmioFOURCC('d', 'a', 't', 'a');
 394     if (mmioDescend(hmmio, &mmckInfo, &ckMainRIFF, MMIO_FINDCHUNK))
 395         goto errCleanUp;
 396
 397     TRACE("Chunk Found ckid=%.4s fccType=%08x cksize=%08X\n",
 398           (LPSTR)&mmckInfo.ckid, mmckInfo.fccType, mmckInfo.cksize);
 399
 400     s.hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
 401
 402     if (waveOutOpen(&hWave, WAVE_MAPPER, lpWaveFormat, (DWORD_PTR)PlaySound_Callback,
 403                     (DWORD_PTR)&s, CALLBACK_FUNCTION) != MMSYSERR_NOERROR)
 404         goto errCleanUp;
 405
 406     /* make it so that 3 buffers per second are needed */
 407     bufsize = (((lpWaveFormat->nAvgBytesPerSec / 3) - 1) / lpWaveFormat->nBlockAlign + 1) *
 408         lpWaveFormat->nBlockAlign;
 409     waveHdr = HeapAlloc(GetProcessHeap(), 0, 2 * sizeof(WAVEHDR) + 2 * bufsize);
 410     waveHdr[0].lpData = (char*)waveHdr + 2 * sizeof(WAVEHDR);
 411     waveHdr[1].lpData = (char*)waveHdr + 2 * sizeof(WAVEHDR) + bufsize;
 412     waveHdr[0].dwUser = waveHdr[1].dwUser = 0L;
 413     waveHdr[0].dwLoops = waveHdr[1].dwLoops = 0L;
 414     waveHdr[0].dwFlags = waveHdr[1].dwFlags = 0L;
 415     waveHdr[0].dwBufferLength = waveHdr[1].dwBufferLength = bufsize;
 416     if (waveOutPrepareHeader(hWave, &waveHdr[0], sizeof(WAVEHDR)) ||
 417         waveOutPrepareHeader(hWave, &waveHdr[1], sizeof(WAVEHDR))) {
 418         goto errCleanUp;
 419     }
 420
 421     s.dwEventCount = 1L; /* for first buffer */
 422     index = 0;
 423
 424     do {
 425         left = mmckInfo.cksize;
 426
 427         mmioSeek(hmmio, mmckInfo.dwDataOffset, SEEK_SET);
 428         while (left)
 429         {
 430             if (bPlaySoundStop)
 431             {
 432                 waveOutReset(hWave);
 433                 wps->bLoop = FALSE;
 434                 break;
 435             }
 436             count = mmioRead(hmmio, waveHdr[index].lpData, min(bufsize, left));
 437             if (count < 1) break;
 438             left -= count;
 439             waveHdr[index].dwBufferLength = count;
 440             if (waveOutWrite(hWave, &waveHdr[index], sizeof(WAVEHDR)) == MMSYSERR_NOERROR) {
 441                 index ^= 1;
 442                 PlaySound_WaitDone(&s);
 443             }
 444             else {
 445                 ERR("Aborting play loop, waveOutWrite error\n");
 446                 wps->bLoop = FALSE;
 447                 break;
 448             }
 449         }
 450         bRet = TRUE;
 451     } while (wps->bLoop);
 452
 453     PlaySound_WaitDone(&s); /* to balance first buffer */
 454     waveOutReset(hWave);
 455
 456     waveOutUnprepareHeader(hWave, &waveHdr[0], sizeof(WAVEHDR));
 457     waveOutUnprepareHeader(hWave, &waveHdr[1], sizeof(WAVEHDR));
 458
 459 errCleanUp:
 460     TRACE("Done playing=%s => %s!\n", debugstr_w(wps->pszSound), bRet ? "ok" : "ko");
 461     CloseHandle(s.hEvent);
 462     HeapFree(GetProcessHeap(), 0, waveHdr);
 463     HeapFree(GetProcessHeap(), 0, lpWaveFormat);
 464     if (hWave)          while (waveOutClose(hWave) == WAVERR_STILLPLAYING) Sleep(100);
 465     if (hmmio)          mmioClose(hmmio, 0);
 466
 467     PlaySound_Free(wps);
 468
 469     return bRet;
 470 }
 471
 472 static BOOL MULTIMEDIA_PlaySound(const void* pszSound, HMODULE hmod, DWORD fdwSound, BOOL bUnicode)
 473 {
 474     WINE_PLAYSOUND*     wps = NULL;
 475
 476     TRACE("pszSound='%p' hmod=%p fdwSound=%08X\n",
 477           pszSound, hmod, fdwSound);
 478
 479     /* SND_NOWAIT is ignored in w95/2k/xp. */
 480     if ((fdwSound & SND_NOSTOP) && PlaySoundList != NULL)
 481         return FALSE;
 482
 483     /* alloc internal structure, if we need to play something */
 484     if (pszSound && !(fdwSound & SND_PURGE))
 485     {
 486         if (!(wps = PlaySound_Alloc(pszSound, hmod, fdwSound, bUnicode)))
 487             return FALSE;
 488     }
 489
 490     EnterCriticalSection(&WINMM_cs);
 491     /* since several threads can enter PlaySound in parallel, we're not
 492      * sure, at this point, that another thread didn't start a new playsound
 493      */
 494     while (PlaySoundList != NULL)
 495     {
 496         ResetEvent(psLastEvent);
 497         /* FIXME: doc says we have to stop all instances of pszSound if it's non
 498          * NULL... as of today, we stop all playing instances */
 499         bPlaySoundStop = TRUE;
 500
 501         LeaveCriticalSection(&WINMM_cs);
 502         WaitForSingleObject(psLastEvent, INFINITE);
 503         EnterCriticalSection(&WINMM_cs);
 504
 505         bPlaySoundStop = FALSE;
 506     }
 507
 508     if (wps) wps->lpNext = PlaySoundList;
 509     PlaySoundList = wps;
 510     LeaveCriticalSection(&WINMM_cs);
 511
 512     if (!pszSound || (fdwSound & SND_PURGE)) return TRUE;
 513
 514     if (fdwSound & SND_ASYNC)
 515     {
 516         DWORD       id;
 517         HANDLE      handle;
 518         wps->bLoop = (fdwSound & SND_LOOP) ? TRUE : FALSE;
 519         if ((handle = CreateThread(NULL, 0, proc_PlaySound, wps, 0, &id)) != 0) {
 520             wps->hThread = handle;
 521             SetThreadPriority(handle, THREAD_PRIORITY_TIME_CRITICAL);
 522             return TRUE;
 523         }
 524     }
 525     else return proc_PlaySound(wps);
 526
 527     /* error cases */
 528     PlaySound_Free(wps);
 529     return FALSE;
 530 }
 531
 532 /**************************************************************************
 533  *                              PlaySoundA              [WINMM.@]
 534  */
 535 BOOL WINAPI PlaySoundA(LPCSTR pszSoundA, HMODULE hmod, DWORD fdwSound)
 536 {
 537     return MULTIMEDIA_PlaySound(pszSoundA, hmod, fdwSound, FALSE);
 538 }
 539
 540 /**************************************************************************
 541  *                              PlaySoundW              [WINMM.@]
 542  */
 543 BOOL WINAPI PlaySoundW(LPCWSTR pszSoundW, HMODULE hmod, DWORD fdwSound)
 544 {
 545     return MULTIMEDIA_PlaySound(pszSoundW, hmod, fdwSound, TRUE);
 546 }
 547
 548 /**************************************************************************
 549  *                              sndPlaySoundA           [WINMM.@]
 550  */
 551 BOOL WINAPI sndPlaySoundA(LPCSTR pszSoundA, UINT uFlags)
 552 {
 553     uFlags &= SND_ASYNC|SND_LOOP|SND_MEMORY|SND_NODEFAULT|SND_NOSTOP|SND_SYNC;
 554     return MULTIMEDIA_PlaySound(pszSoundA, 0, uFlags, FALSE);
 555 }
 556
 557 /**************************************************************************
 558  *                              sndPlaySoundW           [WINMM.@]
 559  */
 560 BOOL WINAPI sndPlaySoundW(LPCWSTR pszSound, UINT uFlags)
 561 {
 562     uFlags &= SND_ASYNC|SND_LOOP|SND_MEMORY|SND_NODEFAULT|SND_NOSTOP|SND_SYNC;
 563     return MULTIMEDIA_PlaySound(pszSound, 0, uFlags, TRUE);
 564 }
 565
 566 /**************************************************************************
 567  *                              mmsystemGetVersion      [WINMM.@]
 568  */
 569 UINT WINAPI mmsystemGetVersion(void)
 570 {
 571     TRACE("3.10 (Win95?)\n");
 572     return 0x030a;
 573 }