dlls/dsound/primary.c

   1 /*                      DirectSound
   2  *
   3  * Copyright 1998 Marcus Meissner
   4  * Copyright 1998 Rob Riggs
   5  * Copyright 2000-2002 TransGaming Technologies, Inc.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include <stdarg.h>
  23
  24 #define NONAMELESSSTRUCT
  25 #define NONAMELESSUNION
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "mmsystem.h"
  30 #include "winternl.h"
  31 #include "mmddk.h"
  32 #include "wine/debug.h"
  33 #include "dsound.h"
  34 #include "dsdriver.h"
  35 #include "dsound_private.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  38
  39 static void DSOUND_RecalcPrimary(DirectSoundDevice *device)
  40 {
  41         DWORD nBlockAlign;
  42         DWORD fraglen;
  43         TRACE("(%p)\n", device);
  44
  45         nBlockAlign = device->pwfx->nBlockAlign;
  46         /* Alsa doesn't have continuous buffers, instead it has buffers with power of 2,
  47          * If DS_TIME_DEL is about 10 ms, 512 * nBlockAlign is roughly correct */
  48         fraglen = 512 * nBlockAlign;
  49
  50         /* Compensate for only being roughly accurate */
  51         if (device->pwfx->nSamplesPerSec <= 26000)
  52                 fraglen /= 2;
  53
  54         if (device->pwfx->nSamplesPerSec <= 12000)
  55                 fraglen /= 2;
  56
  57         if (device->pwfx->nSamplesPerSec >= 80000)
  58                 fraglen *= 2;
  59
  60         device->fraglen = fraglen;
  61         device->helfrags = device->buflen / fraglen;
  62         TRACE("fraglen=%d helfrags=%d\n", device->fraglen, device->helfrags);
  63
  64         if (device->hwbuf && device->drvdesc.dwFlags & DSDDESC_DONTNEEDWRITELEAD)
  65                 device->writelead = 0;
  66         else
  67         /* calculate the 10ms write lead */
  68                 device->writelead = (device->pwfx->nSamplesPerSec / 100) * nBlockAlign;
  69 }
  70
  71 HRESULT DSOUND_ReopenDevice(DirectSoundDevice *device, BOOL forcewave)
  72 {
  73         HRESULT hres = DS_OK;
  74         TRACE("(%p, %d)\n", device, forcewave);
  75
  76         if (device->driver)
  77         {
  78                 IDsDriver_Close(device->driver);
  79                 if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
  80                         waveOutClose(device->hwo);
  81                 IDsDriver_Release(device->driver);
  82                 device->driver = NULL;
  83                 device->buffer = NULL;
  84                 device->hwo = 0;
  85         }
  86         else if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
  87                 waveOutClose(device->hwo);
  88
  89         /* DRV_QUERYDSOUNDIFACE is a "Wine extension" to get the DSound interface */
  90         if (ds_hw_accel != DS_HW_ACCEL_EMULATION && !forcewave)
  91                 waveOutMessage((HWAVEOUT)device->drvdesc.dnDevNode, DRV_QUERYDSOUNDIFACE, (DWORD_PTR)&device->driver, 0);
  92
  93         /* Get driver description */
  94         if (device->driver) {
  95                 DWORD wod = device->drvdesc.dnDevNode;
  96                 hres = IDsDriver_GetDriverDesc(device->driver,&(device->drvdesc));
  97                 device->drvdesc.dnDevNode = wod;
  98                 if (FAILED(hres)) {
  99                         WARN("IDsDriver_GetDriverDesc failed: %08x\n", hres);
 100                         IDsDriver_Release(device->driver);
 101                         device->driver = NULL;
 102                 }
 103         }
 104
 105         /* if no DirectSound interface available, use WINMM API instead */
 106         if (!device->driver)
 107                 device->drvdesc.dwFlags = DSDDESC_DOMMSYSTEMOPEN | DSDDESC_DOMMSYSTEMSETFORMAT;
 108
 109         if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
 110         {
 111                 DWORD flags = CALLBACK_FUNCTION;
 112
 113                 if (device->driver)
 114                         flags |= WAVE_DIRECTSOUND;
 115
 116                 hres = mmErr(waveOutOpen(&(device->hwo), device->drvdesc.dnDevNode, device->pwfx, (DWORD_PTR)DSOUND_callback, (DWORD)device, flags));
 117                 if (FAILED(hres)) {
 118                         WARN("waveOutOpen failed\n");
 119                         if (device->driver)
 120                         {
 121                                 IDsDriver_Release(device->driver);
 122                                 device->driver = NULL;
 123                         }
 124                         return hres;
 125                 }
 126         }
 127
 128         if (device->driver)
 129                 hres = IDsDriver_Open(device->driver);
 130
 131         return hres;
 132 }
 133
 134 static HRESULT DSOUND_PrimaryOpen(DirectSoundDevice *device)
 135 {
 136         DWORD buflen;
 137         HRESULT err = DS_OK;
 138         TRACE("(%p)\n", device);
 139
 140         /* on original windows, the buffer it set to a fixed size, no matter what the settings are.
 141            on windows this size is always fixed (tested on win-xp) */
 142         if (!device->buflen)
 143                 buflen = ds_hel_buflen;
 144         else /* In case we move from hw accelerated to waveout */
 145                 buflen = device->buflen;
 146         buflen -= buflen % device->pwfx->nBlockAlign;
 147         device->buflen = buflen;
 148
 149         if (device->driver)
 150         {
 151                 err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 152                                                   DSBCAPS_PRIMARYBUFFER,0,
 153                                                   &(device->buflen),&(device->buffer),
 154                                                   (LPVOID*)&(device->hwbuf));
 155
 156                 if (err != DS_OK) {
 157                         WARN("IDsDriver_CreateSoundBuffer failed (%08x), falling back to waveout\n", err);
 158                         err = DSOUND_ReopenDevice(device, TRUE);
 159                         if (FAILED(err))
 160                         {
 161                                 WARN("Falling back to waveout failed too! Giving up\n");
 162                                 return err;
 163                         }
 164                 }
 165                 DSOUND_RecalcPrimary(device);
 166                 device->prebuf = ds_snd_queue_max;
 167                 if (device->helfrags < ds_snd_queue_min)
 168                 {
 169                         WARN("Too little sound buffer to be effective (%d/%d) falling back to waveout\n", device->buflen, ds_snd_queue_min * device->fraglen);
 170                         device->buflen = buflen;
 171                         err = DSOUND_ReopenDevice(device, TRUE);
 172                         if (FAILED(err))
 173                         {
 174                                 WARN("Falling back to waveout failed too! Giving up\n");
 175                                 return err;
 176                         }
 177                 }
 178                 else if (device->helfrags < ds_snd_queue_max)
 179                         device->prebuf = device->helfrags;
 180         }
 181
 182         if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
 183         else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
 184
 185         /* are we using waveOut stuff? */
 186         if (!device->driver) {
 187                 LPBYTE newbuf;
 188                 LPWAVEHDR headers = NULL;
 189                 DWORD overshot;
 190                 unsigned int c;
 191
 192                 /* Start in pause mode, to allow buffers to get filled */
 193                 waveOutPause(device->hwo);
 194
 195                 TRACE("desired buflen=%d, old buffer=%p\n", buflen, device->buffer);
 196
 197                 /* reallocate emulated primary buffer */
 198                 if (device->buffer)
 199                         newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer, buflen);
 200                 else
 201                         newbuf = HeapAlloc(GetProcessHeap(),0, buflen);
 202
 203                 if (!newbuf) {
 204                         ERR("failed to allocate primary buffer\n");
 205                         return DSERR_OUTOFMEMORY;
 206                         /* but the old buffer might still exist and must be re-prepared */
 207                 }
 208
 209                 DSOUND_RecalcPrimary(device);
 210                 if (device->pwave)
 211                         headers = HeapReAlloc(GetProcessHeap(),0,device->pwave, device->helfrags * sizeof(WAVEHDR));
 212                 else
 213                         headers = HeapAlloc(GetProcessHeap(),0,device->helfrags * sizeof(WAVEHDR));
 214
 215                 if (!headers) {
 216                         ERR("failed to allocate wave headers\n");
 217                         HeapFree(GetProcessHeap(), 0, newbuf);
 218                         DSOUND_RecalcPrimary(device);
 219                         return DSERR_OUTOFMEMORY;
 220                 }
 221
 222                 device->buffer = newbuf;
 223                 device->pwave = headers;
 224
 225                 /* prepare fragment headers */
 226                 for (c=0; c<device->helfrags; c++) {
 227                         device->pwave[c].lpData = (char*)device->buffer + c*device->fraglen;
 228                         device->pwave[c].dwBufferLength = device->fraglen;
 229                         device->pwave[c].dwUser = (DWORD)device;
 230                         device->pwave[c].dwFlags = 0;
 231                         device->pwave[c].dwLoops = 0;
 232                         err = mmErr(waveOutPrepareHeader(device->hwo,&device->pwave[c],sizeof(WAVEHDR)));
 233                         if (err != DS_OK) {
 234                                 while (c--)
 235                                         waveOutUnprepareHeader(device->hwo,&device->pwave[c],sizeof(WAVEHDR));
 236                                 break;
 237                         }
 238                 }
 239
 240                 overshot = device->buflen % device->fraglen;
 241                 /* sanity */
 242                 if(overshot)
 243                 {
 244                         overshot -= overshot % device->pwfx->nBlockAlign;
 245                         device->pwave[device->helfrags - 1].dwBufferLength += overshot;
 246                 }
 247
 248                 TRACE("fraglen=%d, overshot=%d\n", device->fraglen, overshot);
 249         }
 250         FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
 251         device->pwplay = device->pwqueue = device->playpos = device->mixpos = 0;
 252         return err;
 253 }
 254
 255
 256 static void DSOUND_PrimaryClose(DirectSoundDevice *device)
 257 {
 258         TRACE("(%p)\n", device);
 259
 260         /* are we using waveOut stuff? */
 261         if (!device->hwbuf) {
 262                 unsigned c;
 263
 264                 /* get out of CS when calling the wave system */
 265                 LeaveCriticalSection(&(device->mixlock));
 266                 /* **** */
 267                 device->pwqueue = (DWORD)-1; /* resetting queues */
 268                 waveOutReset(device->hwo);
 269                 for (c=0; c<device->helfrags; c++)
 270                         waveOutUnprepareHeader(device->hwo, &device->pwave[c], sizeof(WAVEHDR));
 271                 /* **** */
 272                 EnterCriticalSection(&(device->mixlock));
 273
 274                 /* clear the queue */
 275                 device->pwqueue = 0;
 276         } else {
 277                 ULONG ref = IDsDriverBuffer_Release(device->hwbuf);
 278                 if (!ref)
 279                         device->hwbuf = 0;
 280                 else
 281                         ERR("Still %d references on primary buffer, refcount leak?\n", ref);
 282         }
 283 }
 284
 285 HRESULT DSOUND_PrimaryCreate(DirectSoundDevice *device)
 286 {
 287         HRESULT err = DS_OK;
 288         TRACE("(%p)\n", device);
 289
 290         device->buflen = ds_hel_buflen;
 291         err = DSOUND_PrimaryOpen(device);
 292
 293         if (err != DS_OK) {
 294                 WARN("DSOUND_PrimaryOpen failed\n");
 295                 return err;
 296         }
 297
 298         device->state = STATE_STOPPED;
 299         return DS_OK;
 300 }
 301
 302 HRESULT DSOUND_PrimaryDestroy(DirectSoundDevice *device)
 303 {
 304         TRACE("(%p)\n", device);
 305
 306         /* **** */
 307         EnterCriticalSection(&(device->mixlock));
 308
 309         DSOUND_PrimaryClose(device);
 310         if (device->driver) {
 311                 if (device->hwbuf) {
 312                         if (IDsDriverBuffer_Release(device->hwbuf) == 0)
 313                                 device->hwbuf = 0;
 314                 }
 315         } else
 316                 HeapFree(GetProcessHeap(),0,device->pwave);
 317         HeapFree(GetProcessHeap(),0,device->pwfx);
 318         device->pwfx=NULL;
 319
 320         LeaveCriticalSection(&(device->mixlock));
 321         /* **** */
 322
 323         return DS_OK;
 324 }
 325
 326 HRESULT DSOUND_PrimaryPlay(DirectSoundDevice *device)
 327 {
 328         HRESULT err = DS_OK;
 329         TRACE("(%p)\n", device);
 330
 331         if (device->hwbuf) {
 332                 err = IDsDriverBuffer_Play(device->hwbuf, 0, 0, DSBPLAY_LOOPING);
 333                 if (err != DS_OK)
 334                         WARN("IDsDriverBuffer_Play failed\n");
 335         } else {
 336                 err = mmErr(waveOutRestart(device->hwo));
 337                 if (err != DS_OK)
 338                         WARN("waveOutRestart failed\n");
 339         }
 340
 341         return err;
 342 }
 343
 344 HRESULT DSOUND_PrimaryStop(DirectSoundDevice *device)
 345 {
 346         HRESULT err = DS_OK;
 347         TRACE("(%p)\n", device);
 348
 349         if (device->hwbuf) {
 350                 err = IDsDriverBuffer_Stop(device->hwbuf);
 351                 if (err == DSERR_BUFFERLOST) {
 352                         DSOUND_PrimaryClose(device);
 353                         err = DSOUND_ReopenDevice(device, FALSE);
 354                         if (FAILED(err))
 355                                 ERR("DSOUND_ReopenDevice failed\n");
 356                         else
 357                         {
 358                                 err = DSOUND_PrimaryOpen(device);
 359                                 if (FAILED(err))
 360                                         WARN("DSOUND_PrimaryOpen failed\n");
 361                         }
 362                 } else if (err != DS_OK) {
 363                         WARN("IDsDriverBuffer_Stop failed\n");
 364                 }
 365         } else {
 366
 367                 /* don't call the wave system with the lock set */
 368                 LeaveCriticalSection(&(device->mixlock));
 369                 /* **** */
 370
 371                 err = mmErr(waveOutPause(device->hwo));
 372
 373                 /* **** */
 374                 EnterCriticalSection(&(device->mixlock));
 375
 376                 if (err != DS_OK)
 377                         WARN("waveOutPause failed\n");
 378         }
 379
 380         return err;
 381 }
 382
 383 HRESULT DSOUND_PrimaryGetPosition(DirectSoundDevice *device, LPDWORD playpos, LPDWORD writepos)
 384 {
 385         TRACE("(%p,%p,%p)\n", device, playpos, writepos);
 386
 387         if (device->hwbuf) {
 388                 HRESULT err=IDsDriverBuffer_GetPosition(device->hwbuf,playpos,writepos);
 389                 if (err) {
 390                         WARN("IDsDriverBuffer_GetPosition failed\n");
 391                         return err;
 392                 }
 393         } else {
 394                 TRACE("pwplay=%i, pwqueue=%i\n", device->pwplay, device->pwqueue);
 395
 396                 /* check if playpos was requested */
 397                 if (playpos)
 398                         /* use the cached play position */
 399                         *playpos = device->pwplay * device->fraglen;
 400
 401                 /* check if writepos was requested */
 402                 if (writepos)
 403                         /* the writepos is the first non-queued position */
 404                         *writepos = ((device->pwplay + device->pwqueue) % device->helfrags) * device->fraglen;
 405         }
 406         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:-1, writepos?*writepos:-1, device, GetTickCount());
 407         return DS_OK;
 408 }
 409
 410 HRESULT DSOUND_PrimarySetFormat(DirectSoundDevice *device, LPCWAVEFORMATEX wfex, BOOL forced)
 411 {
 412         HRESULT err = DSERR_BUFFERLOST;
 413         int i, alloc_size, cp_size;
 414         DWORD nSamplesPerSec, bpp, chans;
 415         TRACE("(%p,%p)\n", device, wfex);
 416
 417         if (device->priolevel == DSSCL_NORMAL) {
 418                 WARN("failed priority check!\n");
 419                 return DSERR_PRIOLEVELNEEDED;
 420         }
 421
 422         /* Let's be pedantic! */
 423         if (wfex == NULL) {
 424                 WARN("invalid parameter: wfex==NULL!\n");
 425                 return DSERR_INVALIDPARAM;
 426         }
 427         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
 428               "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
 429               wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
 430               wfex->nAvgBytesPerSec, wfex->nBlockAlign,
 431               wfex->wBitsPerSample, wfex->cbSize);
 432
 433         /* **** */
 434         RtlAcquireResourceExclusive(&(device->buffer_list_lock), TRUE);
 435         EnterCriticalSection(&(device->mixlock));
 436
 437         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
 438             alloc_size = sizeof(WAVEFORMATEX);
 439             cp_size = sizeof(PCMWAVEFORMAT);
 440         } else
 441             alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
 442
 443         device->pwfx = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,device->pwfx,alloc_size);
 444
 445         nSamplesPerSec = device->pwfx->nSamplesPerSec;
 446         bpp = device->pwfx->wBitsPerSample;
 447         chans = device->pwfx->nChannels;
 448
 449         CopyMemory(device->pwfx, wfex, cp_size);
 450
 451         if (!(device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMSETFORMAT) && device->hwbuf) {
 452                 err = IDsDriverBuffer_SetFormat(device->hwbuf, device->pwfx);
 453
 454                 /* On bad format, try to re-create, big chance it will work then, only do this if we <HAVE> to */
 455                 if (forced && (device->pwfx->nSamplesPerSec/100 != wfex->nSamplesPerSec/100 || err == DSERR_BADFORMAT))
 456                 {
 457                         err = DSERR_BUFFERLOST;
 458                         CopyMemory(device->pwfx, wfex, cp_size);
 459                 }
 460
 461                 if (err != DSERR_BUFFERLOST && FAILED(err)) {
 462                         WARN("IDsDriverBuffer_SetFormat failed\n");
 463                         if (!forced)
 464                                 err = DS_OK;
 465                         goto done;
 466                 }
 467
 468                 if (err == S_FALSE)
 469                 {
 470                         /* ALSA specific: S_FALSE tells that recreation was successful,
 471                          * but size and location may be changed, and buffer has to be restarted
 472                          * I put it here, so if frequency doesn't match the error will be changed to DSERR_BUFFERLOST
 473                          * and the entire re-initialization will occur anyway
 474                          */
 475                         IDsDriverBuffer_Lock(device->hwbuf, (LPVOID *)&device->buffer, &device->buflen, NULL, NULL, 0, 0, DSBLOCK_ENTIREBUFFER);
 476                         IDsDriverBuffer_Unlock(device->hwbuf, device->buffer, 0, NULL, 0);
 477
 478                         if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
 479                         else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
 480                         device->pwplay = device->pwqueue = device->playpos = device->mixpos = 0;
 481                         err = DS_OK;
 482                 }
 483                 DSOUND_RecalcPrimary(device);
 484         }
 485
 486         if (err == DSERR_BUFFERLOST)
 487         {
 488                 DSOUND_PrimaryClose(device);
 489
 490                 err = DSOUND_ReopenDevice(device, FALSE);
 491                 if (FAILED(err))
 492                 {
 493                         WARN("DSOUND_ReopenDevice failed: %08x\n", err);
 494                         goto done;
 495                 }
 496                 err = DSOUND_PrimaryOpen(device);
 497                 if (err != DS_OK) {
 498                         WARN("DSOUND_PrimaryOpen failed\n");
 499                         goto done;
 500                 }
 501
 502                 if (wfex->nSamplesPerSec/100 != device->pwfx->nSamplesPerSec/100 && forced && device->buffer)
 503                 {
 504                         DSOUND_PrimaryClose(device);
 505                         device->pwfx->nSamplesPerSec = wfex->nSamplesPerSec;
 506                         err = DSOUND_ReopenDevice(device, TRUE);
 507                         if (FAILED(err))
 508                                 WARN("DSOUND_ReopenDevice(2) failed: %08x\n", err);
 509                         else if (FAILED((err = DSOUND_PrimaryOpen(device))))
 510                                 WARN("DSOUND_PrimaryOpen(2) failed: %08x\n", err);
 511                 }
 512         }
 513
 514         if (nSamplesPerSec != device->pwfx->nSamplesPerSec || bpp != device->pwfx->wBitsPerSample || chans != device->pwfx->nChannels) {
 515                 IDirectSoundBufferImpl** dsb = device->buffers;
 516                 for (i = 0; i < device->nrofbuffers; i++, dsb++) {
 517                         /* **** */
 518                         RtlAcquireResourceExclusive(&(*dsb)->lock, TRUE);
 519
 520                         (*dsb)->freqAdjust = ((DWORD64)(*dsb)->freq << DSOUND_FREQSHIFT) / device->pwfx->nSamplesPerSec;
 521                         DSOUND_RecalcFormat((*dsb));
 522                         DSOUND_MixToTemporary((*dsb), 0, (*dsb)->buflen);
 523                         (*dsb)->primary_mixpos = 0;
 524
 525                         RtlReleaseResource(&(*dsb)->lock);
 526                         /* **** */
 527                 }
 528         }
 529
 530 done:
 531         LeaveCriticalSection(&(device->mixlock));
 532         RtlReleaseResource(&(device->buffer_list_lock));
 533         /* **** */
 534
 535         return err;
 536 }
 537
 538 /*******************************************************************************
 539  *              PrimaryBuffer
 540  */
 541 /* This sets this format for the <em>Primary Buffer Only</em> */
 542 /* See file:///cdrom/sdk52/docs/worddoc/dsound.doc page 120 */
 543 static HRESULT WINAPI PrimaryBufferImpl_SetFormat(
 544     LPDIRECTSOUNDBUFFER iface,
 545     LPCWAVEFORMATEX wfex)
 546 {
 547     DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 548     TRACE("(%p,%p)\n", iface, wfex);
 549     return DSOUND_PrimarySetFormat(device, wfex, device->priolevel == DSSCL_WRITEPRIMARY);
 550 }
 551
 552 static HRESULT WINAPI PrimaryBufferImpl_SetVolume(
 553         LPDIRECTSOUNDBUFFER iface,LONG vol
 554 ) {
 555         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 556         DWORD ampfactors;
 557         DSVOLUMEPAN volpan;
 558         HRESULT hres = DS_OK;
 559         TRACE("(%p,%d)\n", iface, vol);
 560
 561         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 562                 WARN("control unavailable\n");
 563                 return DSERR_CONTROLUNAVAIL;
 564         }
 565
 566         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 567                 WARN("invalid parameter: vol = %d\n", vol);
 568                 return DSERR_INVALIDPARAM;
 569         }
 570
 571         /* **** */
 572         EnterCriticalSection(&(device->mixlock));
 573
 574         waveOutGetVolume(device->hwo, &ampfactors);
 575         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 576         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 577         DSOUND_AmpFactorToVolPan(&volpan);
 578         if (vol != volpan.lVolume) {
 579             volpan.lVolume=vol;
 580             DSOUND_RecalcVolPan(&volpan);
 581             if (device->hwbuf) {
 582                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &volpan);
 583                 if (hres != DS_OK)
 584                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 585             } else {
 586                 ampfactors = (volpan.dwTotalLeftAmpFactor & 0xffff) | (volpan.dwTotalRightAmpFactor << 16);
 587                 waveOutSetVolume(device->hwo, ampfactors);
 588             }
 589         }
 590
 591         LeaveCriticalSection(&(device->mixlock));
 592         /* **** */
 593
 594         return hres;
 595 }
 596
 597 static HRESULT WINAPI PrimaryBufferImpl_GetVolume(
 598         LPDIRECTSOUNDBUFFER iface,LPLONG vol
 599 ) {
 600         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 601         DWORD ampfactors;
 602         DSVOLUMEPAN volpan;
 603         TRACE("(%p,%p)\n", iface, vol);
 604
 605         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 606                 WARN("control unavailable\n");
 607                 return DSERR_CONTROLUNAVAIL;
 608         }
 609
 610         if (vol == NULL) {
 611                 WARN("invalid parameter: vol = NULL\n");
 612                 return DSERR_INVALIDPARAM;
 613         }
 614
 615         waveOutGetVolume(device->hwo, &ampfactors);
 616         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 617         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 618         DSOUND_AmpFactorToVolPan(&volpan);
 619         *vol = volpan.lVolume;
 620         return DS_OK;
 621 }
 622
 623 static HRESULT WINAPI PrimaryBufferImpl_SetFrequency(
 624         LPDIRECTSOUNDBUFFER iface,DWORD freq
 625 ) {
 626         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 627         TRACE("(%p,%d)\n",This,freq);
 628
 629         /* You cannot set the frequency of the primary buffer */
 630         WARN("control unavailable\n");
 631         return DSERR_CONTROLUNAVAIL;
 632 }
 633
 634 static HRESULT WINAPI PrimaryBufferImpl_Play(
 635         LPDIRECTSOUNDBUFFER iface,DWORD reserved1,DWORD reserved2,DWORD flags
 636 ) {
 637         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 638         TRACE("(%p,%08x,%08x,%08x)\n", iface, reserved1, reserved2, flags);
 639
 640         if (!(flags & DSBPLAY_LOOPING)) {
 641                 WARN("invalid parameter: flags = %08x\n", flags);
 642                 return DSERR_INVALIDPARAM;
 643         }
 644
 645         /* **** */
 646         EnterCriticalSection(&(device->mixlock));
 647
 648         if (device->state == STATE_STOPPED)
 649                 device->state = STATE_STARTING;
 650         else if (device->state == STATE_STOPPING)
 651                 device->state = STATE_PLAYING;
 652
 653         LeaveCriticalSection(&(device->mixlock));
 654         /* **** */
 655
 656         return DS_OK;
 657 }
 658
 659 static HRESULT WINAPI PrimaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER iface)
 660 {
 661         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 662         TRACE("(%p)\n", iface);
 663
 664         /* **** */
 665         EnterCriticalSection(&(device->mixlock));
 666
 667         if (device->state == STATE_PLAYING)
 668                 device->state = STATE_STOPPING;
 669         else if (device->state == STATE_STARTING)
 670                 device->state = STATE_STOPPED;
 671
 672         LeaveCriticalSection(&(device->mixlock));
 673         /* **** */
 674
 675         return DS_OK;
 676 }
 677
 678 static ULONG WINAPI PrimaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER iface)
 679 {
 680     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 681     ULONG ref = InterlockedIncrement(&(This->ref));
 682     TRACE("(%p) ref was %d\n", This, ref - 1);
 683     return ref;
 684 }
 685
 686 static ULONG WINAPI PrimaryBufferImpl_Release(LPDIRECTSOUNDBUFFER iface)
 687 {
 688     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 689     DWORD ref = InterlockedDecrement(&(This->ref));
 690     TRACE("(%p) ref was %d\n", This, ref + 1);
 691
 692     if (!ref) {
 693         This->device->primary = NULL;
 694         HeapFree(GetProcessHeap(), 0, This);
 695         TRACE("(%p) released\n", This);
 696     }
 697     return ref;
 698 }
 699
 700 static HRESULT WINAPI PrimaryBufferImpl_GetCurrentPosition(
 701         LPDIRECTSOUNDBUFFER iface,LPDWORD playpos,LPDWORD writepos
 702 ) {
 703         HRESULT hres;
 704         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 705         TRACE("(%p,%p,%p)\n", iface, playpos, writepos);
 706
 707         /* **** */
 708         EnterCriticalSection(&(device->mixlock));
 709
 710         hres = DSOUND_PrimaryGetPosition(device, playpos, writepos);
 711         if (hres != DS_OK) {
 712                 WARN("DSOUND_PrimaryGetPosition failed\n");
 713                 LeaveCriticalSection(&(device->mixlock));
 714                 return hres;
 715         }
 716         if (writepos) {
 717                 if (device->state != STATE_STOPPED)
 718                         /* apply the documented 10ms lead to writepos */
 719                         *writepos += device->writelead;
 720                 while (*writepos >= device->buflen) *writepos -= device->buflen;
 721         }
 722
 723         LeaveCriticalSection(&(device->mixlock));
 724         /* **** */
 725
 726         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
 727         return DS_OK;
 728 }
 729
 730 static HRESULT WINAPI PrimaryBufferImpl_GetStatus(
 731         LPDIRECTSOUNDBUFFER iface,LPDWORD status
 732 ) {
 733         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 734         TRACE("(%p,%p)\n", iface, status);
 735
 736         if (status == NULL) {
 737                 WARN("invalid parameter: status == NULL\n");
 738                 return DSERR_INVALIDPARAM;
 739         }
 740
 741         *status = 0;
 742         if ((device->state == STATE_STARTING) ||
 743             (device->state == STATE_PLAYING))
 744                 *status |= DSBSTATUS_PLAYING | DSBSTATUS_LOOPING;
 745
 746         TRACE("status=%x\n", *status);
 747         return DS_OK;
 748 }
 749
 750
 751 static HRESULT WINAPI PrimaryBufferImpl_GetFormat(
 752     LPDIRECTSOUNDBUFFER iface,
 753     LPWAVEFORMATEX lpwf,
 754     DWORD wfsize,
 755     LPDWORD wfwritten)
 756 {
 757     DWORD size;
 758     DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 759     TRACE("(%p,%p,%d,%p)\n", iface, lpwf, wfsize, wfwritten);
 760
 761     size = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 762
 763     if (lpwf) { /* NULL is valid */
 764         if (wfsize >= size) {
 765             CopyMemory(lpwf,device->pwfx,size);
 766             if (wfwritten)
 767                 *wfwritten = size;
 768         } else {
 769             WARN("invalid parameter: wfsize too small\n");
 770             if (wfwritten)
 771                 *wfwritten = 0;
 772             return DSERR_INVALIDPARAM;
 773         }
 774     } else {
 775         if (wfwritten)
 776             *wfwritten = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 777         else {
 778             WARN("invalid parameter: wfwritten == NULL\n");
 779             return DSERR_INVALIDPARAM;
 780         }
 781     }
 782
 783     return DS_OK;
 784 }
 785
 786 static HRESULT WINAPI PrimaryBufferImpl_Lock(
 787         LPDIRECTSOUNDBUFFER iface,DWORD writecursor,DWORD writebytes,LPVOID *lplpaudioptr1,LPDWORD audiobytes1,LPVOID *lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 788 ) {
 789         HRESULT hres;
 790         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 791         TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x) at %d\n",
 792                 iface,
 793                 writecursor,
 794                 writebytes,
 795                 lplpaudioptr1,
 796                 audiobytes1,
 797                 lplpaudioptr2,
 798                 audiobytes2,
 799                 flags,
 800                 GetTickCount()
 801         );
 802
 803         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 804                 WARN("failed priority check!\n");
 805                 return DSERR_PRIOLEVELNEEDED;
 806         }
 807
 808         /* when this flag is set, writecursor is meaningless and must be calculated */
 809         if (flags & DSBLOCK_FROMWRITECURSOR) {
 810                 /* GetCurrentPosition does too much magic to duplicate here */
 811                 hres = IDirectSoundBuffer_GetCurrentPosition(iface, NULL, &writecursor);
 812                 if (hres != DS_OK) {
 813                         WARN("IDirectSoundBuffer_GetCurrentPosition failed\n");
 814                         return hres;
 815                 }
 816         }
 817
 818         /* when this flag is set, writebytes is meaningless and must be set */
 819         if (flags & DSBLOCK_ENTIREBUFFER)
 820                 writebytes = device->buflen;
 821
 822         if (writecursor >= device->buflen) {
 823                 WARN("Invalid parameter, writecursor: %u >= buflen: %u\n",
 824                      writecursor, device->buflen);
 825                 return DSERR_INVALIDPARAM;
 826         }
 827
 828         if (writebytes > device->buflen) {
 829                 WARN("Invalid parameter, writebytes: %u > buflen: %u\n",
 830                      writebytes, device->buflen);
 831                 return DSERR_INVALIDPARAM;
 832         }
 833
 834         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
 835                 hres = IDsDriverBuffer_Lock(device->hwbuf,
 836                                             lplpaudioptr1, audiobytes1,
 837                                             lplpaudioptr2, audiobytes2,
 838                                             writecursor, writebytes,
 839                                             0);
 840                 if (hres != DS_OK) {
 841                         WARN("IDsDriverBuffer_Lock failed\n");
 842                         return hres;
 843                 }
 844         } else {
 845                 if (writecursor+writebytes <= device->buflen) {
 846                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 847                         *audiobytes1 = writebytes;
 848                         if (lplpaudioptr2)
 849                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 850                         if (audiobytes2)
 851                                 *audiobytes2 = 0;
 852                         TRACE("->%d.0\n",writebytes);
 853                 } else {
 854                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 855                         *audiobytes1 = device->buflen-writecursor;
 856                         if (lplpaudioptr2)
 857                                 *(LPBYTE*)lplpaudioptr2 = device->buffer;
 858                         if (audiobytes2)
 859                                 *audiobytes2 = writebytes-(device->buflen-writecursor);
 860                         TRACE("->%d.%d\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 861                 }
 862         }
 863         return DS_OK;
 864 }
 865
 866 static HRESULT WINAPI PrimaryBufferImpl_SetCurrentPosition(
 867         LPDIRECTSOUNDBUFFER iface,DWORD newpos
 868 ) {
 869         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 870         TRACE("(%p,%d)\n",This,newpos);
 871
 872         /* You cannot set the position of the primary buffer */
 873         WARN("invalid call\n");
 874         return DSERR_INVALIDCALL;
 875 }
 876
 877 static HRESULT WINAPI PrimaryBufferImpl_SetPan(
 878         LPDIRECTSOUNDBUFFER iface,LONG pan
 879 ) {
 880         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 881         DWORD ampfactors;
 882         DSVOLUMEPAN volpan;
 883         HRESULT hres = DS_OK;
 884         TRACE("(%p,%d)\n", iface, pan);
 885
 886         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 887                 WARN("control unavailable\n");
 888                 return DSERR_CONTROLUNAVAIL;
 889         }
 890
 891         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 892                 WARN("invalid parameter: pan = %d\n", pan);
 893                 return DSERR_INVALIDPARAM;
 894         }
 895
 896         /* **** */
 897         EnterCriticalSection(&(device->mixlock));
 898
 899         waveOutGetVolume(device->hwo, &ampfactors);
 900         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 901         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 902         DSOUND_AmpFactorToVolPan(&volpan);
 903         if (pan != volpan.lPan) {
 904             volpan.lPan=pan;
 905             DSOUND_RecalcVolPan(&volpan);
 906             if (device->hwbuf) {
 907                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &volpan);
 908                 if (hres != DS_OK)
 909                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 910             } else {
 911                 ampfactors = (volpan.dwTotalLeftAmpFactor & 0xffff) | (volpan.dwTotalRightAmpFactor << 16);
 912                 waveOutSetVolume(device->hwo, ampfactors);
 913             }
 914         }
 915
 916         LeaveCriticalSection(&(device->mixlock));
 917         /* **** */
 918
 919         return hres;
 920 }
 921
 922 static HRESULT WINAPI PrimaryBufferImpl_GetPan(
 923         LPDIRECTSOUNDBUFFER iface,LPLONG pan
 924 ) {
 925         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 926         DWORD ampfactors;
 927         DSVOLUMEPAN volpan;
 928         TRACE("(%p,%p)\n", iface, pan);
 929
 930         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 931                 WARN("control unavailable\n");
 932                 return DSERR_CONTROLUNAVAIL;
 933         }
 934
 935         if (pan == NULL) {
 936                 WARN("invalid parameter: pan == NULL\n");
 937                 return DSERR_INVALIDPARAM;
 938         }
 939
 940         waveOutGetVolume(device->hwo, &ampfactors);
 941         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 942         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 943         DSOUND_AmpFactorToVolPan(&volpan);
 944         *pan = volpan.lPan;
 945         return DS_OK;
 946 }
 947
 948 static HRESULT WINAPI PrimaryBufferImpl_Unlock(
 949         LPDIRECTSOUNDBUFFER iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 950 ) {
 951         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 952         TRACE("(%p,%p,%d,%p,%d)\n", iface, p1, x1, p2, x2);
 953
 954         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 955                 WARN("failed priority check!\n");
 956                 return DSERR_PRIOLEVELNEEDED;
 957         }
 958
 959         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
 960                 HRESULT hres;
 961
 962                 hres = IDsDriverBuffer_Unlock(device->hwbuf, p1, x1, p2, x2);
 963                 if (hres != DS_OK) {
 964                         WARN("IDsDriverBuffer_Unlock failed\n");
 965                         return hres;
 966                 }
 967         }
 968
 969         return DS_OK;
 970 }
 971
 972 static HRESULT WINAPI PrimaryBufferImpl_Restore(
 973         LPDIRECTSOUNDBUFFER iface
 974 ) {
 975         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 976         FIXME("(%p):stub\n",This);
 977         return DS_OK;
 978 }
 979
 980 static HRESULT WINAPI PrimaryBufferImpl_GetFrequency(
 981         LPDIRECTSOUNDBUFFER iface,LPDWORD freq
 982 ) {
 983         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 984         TRACE("(%p,%p)\n", iface, freq);
 985
 986         if (freq == NULL) {
 987                 WARN("invalid parameter: freq == NULL\n");
 988                 return DSERR_INVALIDPARAM;
 989         }
 990
 991         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
 992                 WARN("control unavailable\n");
 993                 return DSERR_CONTROLUNAVAIL;
 994         }
 995
 996         *freq = device->pwfx->nSamplesPerSec;
 997         TRACE("-> %d\n", *freq);
 998
 999         return DS_OK;
1000 }
1001
1002 static HRESULT WINAPI PrimaryBufferImpl_Initialize(
1003         LPDIRECTSOUNDBUFFER iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
1004 ) {
1005         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
1006         WARN("(%p) already initialized\n", This);
1007         return DSERR_ALREADYINITIALIZED;
1008 }
1009
1010 static HRESULT WINAPI PrimaryBufferImpl_GetCaps(
1011         LPDIRECTSOUNDBUFFER iface,LPDSBCAPS caps
1012 ) {
1013         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
1014         TRACE("(%p,%p)\n", iface, caps);
1015
1016         if (caps == NULL) {
1017                 WARN("invalid parameter: caps == NULL\n");
1018                 return DSERR_INVALIDPARAM;
1019         }
1020
1021         if (caps->dwSize < sizeof(*caps)) {
1022                 WARN("invalid parameter: caps->dwSize = %d\n", caps->dwSize);
1023                 return DSERR_INVALIDPARAM;
1024         }
1025
1026         caps->dwFlags = device->dsbd.dwFlags;
1027         caps->dwBufferBytes = device->buflen;
1028
1029         /* Windows reports these as zero */
1030         caps->dwUnlockTransferRate = 0;
1031         caps->dwPlayCpuOverhead = 0;
1032
1033         return DS_OK;
1034 }
1035
1036 static HRESULT WINAPI PrimaryBufferImpl_QueryInterface(
1037         LPDIRECTSOUNDBUFFER iface,REFIID riid,LPVOID *ppobj
1038 ) {
1039         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
1040         DirectSoundDevice *device = This->device;
1041         TRACE("(%p,%s,%p)\n", iface, debugstr_guid(riid), ppobj);
1042
1043         if (ppobj == NULL) {
1044                 WARN("invalid parameter\n");
1045                 return E_INVALIDARG;
1046         }
1047
1048         *ppobj = NULL;  /* assume failure */
1049
1050         if ( IsEqualGUID(riid, &IID_IUnknown) ||
1051              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ) {
1052                 IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)This);
1053                 *ppobj = This;
1054                 return S_OK;
1055         }
1056
1057         /* DirectSoundBuffer and DirectSoundBuffer8 are different and */
1058         /* a primary buffer can't have a DirectSoundBuffer8 interface */
1059         if ( IsEqualGUID( &IID_IDirectSoundBuffer8, riid ) ) {
1060                 WARN("app requested DirectSoundBuffer8 on primary buffer\n");
1061                 return E_NOINTERFACE;
1062         }
1063
1064         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
1065                 ERR("app requested IDirectSoundNotify on primary buffer\n");
1066                 /* FIXME: should we support this? */
1067                 return E_NOINTERFACE;
1068         }
1069
1070         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
1071                 ERR("app requested IDirectSound3DBuffer on primary buffer\n");
1072                 return E_NOINTERFACE;
1073         }
1074
1075         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
1076                 if (!device->listener)
1077                         IDirectSound3DListenerImpl_Create(device, &device->listener);
1078                 if (device->listener) {
1079                         *ppobj = device->listener;
1080                         IDirectSound3DListener_AddRef((LPDIRECTSOUND3DLISTENER)*ppobj);
1081                         return S_OK;
1082                 }
1083
1084                 WARN("IID_IDirectSound3DListener failed\n");
1085                 return E_NOINTERFACE;
1086         }
1087
1088         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
1089                 FIXME("app requested IKsPropertySet on primary buffer\n");
1090                 return E_NOINTERFACE;
1091         }
1092
1093         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
1094         return E_NOINTERFACE;
1095 }
1096
1097 static const IDirectSoundBufferVtbl dspbvt =
1098 {
1099         PrimaryBufferImpl_QueryInterface,
1100         PrimaryBufferImpl_AddRef,
1101         PrimaryBufferImpl_Release,
1102         PrimaryBufferImpl_GetCaps,
1103         PrimaryBufferImpl_GetCurrentPosition,
1104         PrimaryBufferImpl_GetFormat,
1105         PrimaryBufferImpl_GetVolume,
1106         PrimaryBufferImpl_GetPan,
1107         PrimaryBufferImpl_GetFrequency,
1108         PrimaryBufferImpl_GetStatus,
1109         PrimaryBufferImpl_Initialize,
1110         PrimaryBufferImpl_Lock,
1111         PrimaryBufferImpl_Play,
1112         PrimaryBufferImpl_SetCurrentPosition,
1113         PrimaryBufferImpl_SetFormat,
1114         PrimaryBufferImpl_SetVolume,
1115         PrimaryBufferImpl_SetPan,
1116         PrimaryBufferImpl_SetFrequency,
1117         PrimaryBufferImpl_Stop,
1118         PrimaryBufferImpl_Unlock,
1119         PrimaryBufferImpl_Restore
1120 };
1121
1122 HRESULT PrimaryBufferImpl_Create(
1123         DirectSoundDevice * device,
1124         PrimaryBufferImpl ** ppdsb,
1125         LPCDSBUFFERDESC dsbd)
1126 {
1127         PrimaryBufferImpl *dsb;
1128         TRACE("%p,%p,%p)\n",device,ppdsb,dsbd);
1129
1130         if (dsbd->lpwfxFormat) {
1131                 WARN("invalid parameter: dsbd->lpwfxFormat != NULL\n");
1132                 *ppdsb = NULL;
1133                 return DSERR_INVALIDPARAM;
1134         }
1135
1136         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1137
1138         if (dsb == NULL) {
1139                 WARN("out of memory\n");
1140                 *ppdsb = NULL;
1141                 return DSERR_OUTOFMEMORY;
1142         }
1143
1144         dsb->ref = 0;
1145         dsb->device = device;
1146         dsb->lpVtbl = &dspbvt;
1147
1148         CopyMemory(&device->dsbd, dsbd, sizeof(*dsbd));
1149
1150         TRACE("Created primary buffer at %p\n", dsb);
1151         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
1152                 "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
1153                 device->pwfx->wFormatTag, device->pwfx->nChannels,
1154                 device->pwfx->nSamplesPerSec, device->pwfx->nAvgBytesPerSec,
1155                 device->pwfx->nBlockAlign, device->pwfx->wBitsPerSample,
1156                 device->pwfx->cbSize);
1157
1158         *ppdsb = dsb;
1159         return S_OK;
1160 }