dlls/dsound/buffer.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 "wine/debug.h"
  32 #include "dsound.h"
  33 #include "dsdriver.h"
  34 #include "dsound_private.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  37
  38 static HRESULT SecondaryBufferImpl_Destroy(SecondaryBufferImpl *pdsb);
  39
  40 /*******************************************************************************
  41  *              IDirectSoundNotify
  42  */
  43
  44 struct IDirectSoundNotifyImpl
  45 {
  46     /* IUnknown fields */
  47     const IDirectSoundNotifyVtbl *lpVtbl;
  48     LONG                        ref;
  49     IDirectSoundBufferImpl*     dsb;
  50 };
  51
  52 static HRESULT IDirectSoundNotifyImpl_Create(IDirectSoundBufferImpl *dsb,
  53                                              IDirectSoundNotifyImpl **pdsn);
  54 static HRESULT IDirectSoundNotifyImpl_Destroy(IDirectSoundNotifyImpl *pdsn);
  55
  56 static HRESULT WINAPI IDirectSoundNotifyImpl_QueryInterface(
  57         LPDIRECTSOUNDNOTIFY iface,REFIID riid,LPVOID *ppobj
  58 ) {
  59         IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  60         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
  61
  62         if (This->dsb == NULL) {
  63                 WARN("invalid parameter\n");
  64                 return E_INVALIDARG;
  65         }
  66
  67         return IDirectSoundBuffer_QueryInterface((LPDIRECTSOUNDBUFFER)This->dsb, riid, ppobj);
  68 }
  69
  70 static ULONG WINAPI IDirectSoundNotifyImpl_AddRef(LPDIRECTSOUNDNOTIFY iface)
  71 {
  72     IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  73     ULONG ref = InterlockedIncrement(&(This->ref));
  74     TRACE("(%p) ref was %d\n", This, ref - 1);
  75     return ref;
  76 }
  77
  78 static ULONG WINAPI IDirectSoundNotifyImpl_Release(LPDIRECTSOUNDNOTIFY iface)
  79 {
  80     IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  81     ULONG ref = InterlockedDecrement(&(This->ref));
  82     TRACE("(%p) ref was %d\n", This, ref + 1);
  83
  84     if (!ref) {
  85         IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER)This->dsb);
  86         This->dsb->notify = NULL;
  87         HeapFree(GetProcessHeap(), 0, This);
  88         TRACE("(%p) released\n", This);
  89     }
  90     return ref;
  91 }
  92
  93 static HRESULT WINAPI IDirectSoundNotifyImpl_SetNotificationPositions(
  94         LPDIRECTSOUNDNOTIFY iface,DWORD howmuch,LPCDSBPOSITIONNOTIFY notify
  95 ) {
  96         IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  97         TRACE("(%p,0x%08x,%p)\n",This,howmuch,notify);
  98
  99         if (howmuch > 0 && notify == NULL) {
 100             WARN("invalid parameter: notify == NULL\n");
 101             return DSERR_INVALIDPARAM;
 102         }
 103
 104         if (TRACE_ON(dsound)) {
 105             unsigned int        i;
 106             for (i=0;i<howmuch;i++)
 107                 TRACE("notify at %d to %p\n",
 108                     notify[i].dwOffset,notify[i].hEventNotify);
 109         }
 110
 111         if (This->dsb->hwnotify) {
 112             HRESULT hres;
 113             hres = IDsDriverNotify_SetNotificationPositions(This->dsb->hwnotify, howmuch, notify);
 114             if (hres != DS_OK)
 115                     WARN("IDsDriverNotify_SetNotificationPositions failed\n");
 116             return hres;
 117         } else if (howmuch > 0) {
 118             /* Make an internal copy of the caller-supplied array.
 119              * Replace the existing copy if one is already present. */
 120             if (This->dsb->notifies)
 121                     This->dsb->notifies = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 122                         This->dsb->notifies, howmuch * sizeof(DSBPOSITIONNOTIFY));
 123             else
 124                     This->dsb->notifies = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 125                         howmuch * sizeof(DSBPOSITIONNOTIFY));
 126
 127             if (This->dsb->notifies == NULL) {
 128                     WARN("out of memory\n");
 129                     return DSERR_OUTOFMEMORY;
 130             }
 131             CopyMemory(This->dsb->notifies, notify, howmuch * sizeof(DSBPOSITIONNOTIFY));
 132             This->dsb->nrofnotifies = howmuch;
 133         } else {
 134            HeapFree(GetProcessHeap(), 0, This->dsb->notifies);
 135            This->dsb->notifies = NULL;
 136            This->dsb->nrofnotifies = 0;
 137         }
 138
 139         return S_OK;
 140 }
 141
 142 static const IDirectSoundNotifyVtbl dsnvt =
 143 {
 144     IDirectSoundNotifyImpl_QueryInterface,
 145     IDirectSoundNotifyImpl_AddRef,
 146     IDirectSoundNotifyImpl_Release,
 147     IDirectSoundNotifyImpl_SetNotificationPositions,
 148 };
 149
 150 static HRESULT IDirectSoundNotifyImpl_Create(
 151     IDirectSoundBufferImpl * dsb,
 152     IDirectSoundNotifyImpl **pdsn)
 153 {
 154     IDirectSoundNotifyImpl * dsn;
 155     TRACE("(%p,%p)\n",dsb,pdsn);
 156
 157     dsn = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*dsn));
 158
 159     if (dsn == NULL) {
 160         WARN("out of memory\n");
 161         return DSERR_OUTOFMEMORY;
 162     }
 163
 164     dsn->ref = 0;
 165     dsn->lpVtbl = &dsnvt;
 166     dsn->dsb = dsb;
 167     dsb->notify = dsn;
 168     IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)dsb);
 169
 170     *pdsn = dsn;
 171     return DS_OK;
 172 }
 173
 174 static HRESULT IDirectSoundNotifyImpl_Destroy(
 175     IDirectSoundNotifyImpl *pdsn)
 176 {
 177     TRACE("(%p)\n",pdsn);
 178
 179     while (IDirectSoundNotifyImpl_Release((LPDIRECTSOUNDNOTIFY)pdsn) > 0);
 180
 181     return DS_OK;
 182 }
 183
 184 /*******************************************************************************
 185  *              IDirectSoundBuffer
 186  */
 187
 188 static HRESULT WINAPI IDirectSoundBufferImpl_SetFormat(
 189         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex
 190 ) {
 191         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 192
 193         TRACE("(%p,%p)\n",This,wfex);
 194         /* This method is not available on secondary buffers */
 195         WARN("invalid call\n");
 196         return DSERR_INVALIDCALL;
 197 }
 198
 199 static HRESULT WINAPI IDirectSoundBufferImpl_SetVolume(
 200         LPDIRECTSOUNDBUFFER8 iface,LONG vol
 201 ) {
 202         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 203         LONG oldVol;
 204         HRESULT hres = DS_OK;
 205
 206         TRACE("(%p,%d)\n",This,vol);
 207
 208         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 209                 WARN("control unavailable: This->dsbd.dwFlags = 0x%08x\n", This->dsbd.dwFlags);
 210                 return DSERR_CONTROLUNAVAIL;
 211         }
 212
 213         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 214                 WARN("invalid parameter: vol = %d\n", vol);
 215                 return DSERR_INVALIDPARAM;
 216         }
 217
 218         /* **** */
 219         RtlAcquireResourceExclusive(&This->lock, TRUE);
 220
 221         if (This->dsbd.dwFlags & DSBCAPS_CTRL3D) {
 222                 oldVol = This->ds3db_lVolume;
 223                 This->ds3db_lVolume = vol;
 224                 if (vol != oldVol)
 225                         /* recalc 3d volume, which in turn recalcs the pans */
 226                         DSOUND_Calc3DBuffer(This);
 227         } else {
 228                 oldVol = This->volpan.lVolume;
 229                 This->volpan.lVolume = vol;
 230                 if (vol != oldVol)
 231                         DSOUND_RecalcVolPan(&(This->volpan));
 232         }
 233
 234         if (vol != oldVol) {
 235                 if (This->hwbuf) {
 236                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
 237                         if (hres != DS_OK)
 238                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
 239                 }
 240         }
 241
 242         RtlReleaseResource(&This->lock);
 243         /* **** */
 244
 245         return hres;
 246 }
 247
 248 static HRESULT WINAPI IDirectSoundBufferImpl_GetVolume(
 249         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol
 250 ) {
 251         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 252         TRACE("(%p,%p)\n",This,vol);
 253
 254         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 255                 WARN("control unavailable\n");
 256                 return DSERR_CONTROLUNAVAIL;
 257         }
 258
 259         if (vol == NULL) {
 260                 WARN("invalid parameter: vol == NULL\n");
 261                 return DSERR_INVALIDPARAM;
 262         }
 263
 264         *vol = This->volpan.lVolume;
 265
 266         return DS_OK;
 267 }
 268
 269 static HRESULT WINAPI IDirectSoundBufferImpl_SetFrequency(
 270         LPDIRECTSOUNDBUFFER8 iface,DWORD freq
 271 ) {
 272         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 273         DWORD oldFreq;
 274
 275         TRACE("(%p,%d)\n",This,freq);
 276
 277         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
 278                 WARN("control unavailable\n");
 279                 return DSERR_CONTROLUNAVAIL;
 280         }
 281
 282         if (freq == DSBFREQUENCY_ORIGINAL)
 283                 freq = This->pwfx->nSamplesPerSec;
 284
 285         if ((freq < DSBFREQUENCY_MIN) || (freq > DSBFREQUENCY_MAX)) {
 286                 WARN("invalid parameter: freq = %d\n", freq);
 287                 return DSERR_INVALIDPARAM;
 288         }
 289
 290         /* **** */
 291         RtlAcquireResourceExclusive(&This->lock, TRUE);
 292
 293         oldFreq = This->freq;
 294         This->freq = freq;
 295         if (freq != oldFreq) {
 296                 This->freqAdjust = ((DWORD64)This->freq << DSOUND_FREQSHIFT) / This->device->pwfx->nSamplesPerSec;
 297                 This->nAvgBytesPerSec = freq * This->pwfx->nBlockAlign;
 298                 DSOUND_RecalcFormat(This);
 299                 DSOUND_MixToTemporary(This, 0, This->buflen, FALSE);
 300         }
 301
 302         RtlReleaseResource(&This->lock);
 303         /* **** */
 304
 305         return DS_OK;
 306 }
 307
 308 static HRESULT WINAPI IDirectSoundBufferImpl_Play(
 309         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags
 310 ) {
 311         HRESULT hres = DS_OK;
 312         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 313         TRACE("(%p,%08x,%08x,%08x)\n",This,reserved1,reserved2,flags);
 314
 315         /* **** */
 316         RtlAcquireResourceExclusive(&This->lock, TRUE);
 317
 318         This->playflags = flags;
 319         if (This->state == STATE_STOPPED && !This->hwbuf) {
 320                 This->leadin = TRUE;
 321                 This->state = STATE_STARTING;
 322         } else if (This->state == STATE_STOPPING)
 323                 This->state = STATE_PLAYING;
 324         if (This->hwbuf) {
 325                 hres = IDsDriverBuffer_Play(This->hwbuf, 0, 0, This->playflags);
 326                 if (hres != DS_OK)
 327                         WARN("IDsDriverBuffer_Play failed\n");
 328                 else
 329                         This->state = STATE_PLAYING;
 330         }
 331
 332         RtlReleaseResource(&This->lock);
 333         /* **** */
 334
 335         return hres;
 336 }
 337
 338 static HRESULT WINAPI IDirectSoundBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
 339 {
 340         HRESULT hres = DS_OK;
 341         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 342         TRACE("(%p)\n",This);
 343
 344         /* **** */
 345         RtlAcquireResourceExclusive(&This->lock, TRUE);
 346
 347         if (This->state == STATE_PLAYING)
 348                 This->state = STATE_STOPPING;
 349         else if (This->state == STATE_STARTING)
 350         {
 351                 This->state = STATE_STOPPED;
 352                 DSOUND_CheckEvent(This, 0, 0);
 353         }
 354         if (This->hwbuf) {
 355                 hres = IDsDriverBuffer_Stop(This->hwbuf);
 356                 if (hres != DS_OK)
 357                         WARN("IDsDriverBuffer_Stop failed\n");
 358                 else
 359                         This->state = STATE_STOPPED;
 360         }
 361
 362         RtlReleaseResource(&This->lock);
 363         /* **** */
 364
 365         return hres;
 366 }
 367
 368 static ULONG WINAPI IDirectSoundBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
 369 {
 370     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 371     ULONG ref = InterlockedIncrement(&(This->ref));
 372     TRACE("(%p) ref was %d\n", This, ref - 1);
 373     return ref;
 374 }
 375
 376 static ULONG WINAPI IDirectSoundBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
 377 {
 378     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 379     ULONG ref = InterlockedDecrement(&(This->ref));
 380     TRACE("(%p) ref was %d\n", This, ref + 1);
 381
 382     if (!ref) {
 383         DirectSoundDevice_RemoveBuffer(This->device, This);
 384         RtlDeleteResource(&This->lock);
 385
 386         if (This->hwbuf) {
 387                 IDsDriverBuffer_Release(This->hwbuf);
 388                 if (This->device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
 389                         This->buffer->ref--;
 390                         list_remove(&This->entry);
 391                         if (This->buffer->ref==0) {
 392                                 HeapFree(GetProcessHeap(),0,This->buffer->memory);
 393                                 HeapFree(GetProcessHeap(),0,This->buffer);
 394                         }
 395                 }
 396         } else {
 397                 This->buffer->ref--;
 398                 list_remove(&This->entry);
 399                 if (This->buffer->ref==0) {
 400                         HeapFree(GetProcessHeap(),0,This->buffer->memory);
 401                         HeapFree(GetProcessHeap(),0,This->buffer);
 402                 }
 403         }
 404
 405         HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
 406         HeapFree(GetProcessHeap(), 0, This->notifies);
 407         HeapFree(GetProcessHeap(), 0, This->pwfx);
 408         HeapFree(GetProcessHeap(), 0, This);
 409
 410         TRACE("(%p) released\n", This);
 411     }
 412     return ref;
 413 }
 414
 415 static HRESULT WINAPI IDirectSoundBufferImpl_GetCurrentPosition(
 416         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos
 417 ) {
 418         HRESULT hres;
 419         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 420         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
 421
 422         RtlAcquireResourceShared(&This->lock, TRUE);
 423         if (This->hwbuf) {
 424                 hres=IDsDriverBuffer_GetPosition(This->hwbuf,playpos,writepos);
 425                 if (hres != DS_OK) {
 426                     WARN("IDsDriverBuffer_GetPosition failed\n");
 427                     return hres;
 428                 }
 429         } else {
 430                 DWORD pos = This->sec_mixpos;
 431
 432                 /* sanity */
 433                 if (pos >= This->buflen){
 434                         FIXME("Bad play position. playpos: %d, buflen: %d\n", pos, This->buflen);
 435                         pos %= This->buflen;
 436                 }
 437
 438                 if (playpos)
 439                         *playpos = pos;
 440                 if (writepos)
 441                         *writepos = pos;
 442         }
 443         if (writepos && This->state != STATE_STOPPED && (!This->hwbuf || !(This->device->drvdesc.dwFlags & DSDDESC_DONTNEEDWRITELEAD))) {
 444                 /* apply the documented 10ms lead to writepos */
 445                 *writepos += This->writelead;
 446                 *writepos %= This->buflen;
 447         }
 448         RtlReleaseResource(&This->lock);
 449
 450         TRACE("playpos = %d, writepos = %d, buflen=%d (%p, time=%d)\n",
 451                 playpos?*playpos:-1, writepos?*writepos:-1, This->buflen, This, GetTickCount());
 452
 453         return DS_OK;
 454 }
 455
 456 static HRESULT WINAPI IDirectSoundBufferImpl_GetStatus(
 457         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status
 458 ) {
 459         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 460         TRACE("(%p,%p), thread is %04x\n",This,status,GetCurrentThreadId());
 461
 462         if (status == NULL) {
 463                 WARN("invalid parameter: status = NULL\n");
 464                 return DSERR_INVALIDPARAM;
 465         }
 466
 467         *status = 0;
 468         RtlAcquireResourceShared(&This->lock, TRUE);
 469         if ((This->state == STATE_STARTING) || (This->state == STATE_PLAYING)) {
 470                 *status |= DSBSTATUS_PLAYING;
 471                 if (This->playflags & DSBPLAY_LOOPING)
 472                         *status |= DSBSTATUS_LOOPING;
 473         }
 474         RtlReleaseResource(&This->lock);
 475
 476         TRACE("status=%x\n", *status);
 477         return DS_OK;
 478 }
 479
 480
 481 static HRESULT WINAPI IDirectSoundBufferImpl_GetFormat(
 482     LPDIRECTSOUNDBUFFER8 iface,
 483     LPWAVEFORMATEX lpwf,
 484     DWORD wfsize,
 485     LPDWORD wfwritten)
 486 {
 487     DWORD size;
 488     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 489     TRACE("(%p,%p,%d,%p)\n",This,lpwf,wfsize,wfwritten);
 490
 491     size = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
 492
 493     if (lpwf) { /* NULL is valid */
 494         if (wfsize >= size) {
 495             CopyMemory(lpwf,This->pwfx,size);
 496             if (wfwritten)
 497                 *wfwritten = size;
 498         } else {
 499             WARN("invalid parameter: wfsize too small\n");
 500             CopyMemory(lpwf,This->pwfx,wfsize);
 501             if (wfwritten)
 502                 *wfwritten = wfsize;
 503             return DSERR_INVALIDPARAM;
 504         }
 505     } else {
 506         if (wfwritten)
 507             *wfwritten = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
 508         else {
 509             WARN("invalid parameter: wfwritten == NULL\n");
 510             return DSERR_INVALIDPARAM;
 511         }
 512     }
 513
 514     return DS_OK;
 515 }
 516
 517 static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
 518         LPDIRECTSOUNDBUFFER8 iface,DWORD writecursor,DWORD writebytes,LPVOID *lplpaudioptr1,LPDWORD audiobytes1,LPVOID *lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 519 ) {
 520         HRESULT hres = DS_OK;
 521         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 522
 523         TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x) at %d\n",
 524                 This,
 525                 writecursor,
 526                 writebytes,
 527                 lplpaudioptr1,
 528                 audiobytes1,
 529                 lplpaudioptr2,
 530                 audiobytes2,
 531                 flags,
 532                 GetTickCount()
 533         );
 534
 535         /* when this flag is set, writecursor is meaningless and must be calculated */
 536         if (flags & DSBLOCK_FROMWRITECURSOR) {
 537                 /* GetCurrentPosition does too much magic to duplicate here */
 538                 hres = IDirectSoundBufferImpl_GetCurrentPosition(iface, NULL, &writecursor);
 539                 if (hres != DS_OK) {
 540                         WARN("IDirectSoundBufferImpl_GetCurrentPosition failed\n");
 541                         return hres;
 542                 }
 543         }
 544
 545         /* when this flag is set, writebytes is meaningless and must be set */
 546         if (flags & DSBLOCK_ENTIREBUFFER)
 547                 writebytes = This->buflen;
 548
 549         if (writecursor >= This->buflen) {
 550                 WARN("Invalid parameter, writecursor: %u >= buflen: %u\n",
 551                      writecursor, This->buflen);
 552                 return DSERR_INVALIDPARAM;
 553         }
 554
 555         if (writebytes > This->buflen) {
 556                 WARN("Invalid parameter, writebytes: %u > buflen: %u\n",
 557                      writebytes, This->buflen);
 558                 return DSERR_INVALIDPARAM;
 559         }
 560
 561         /* **** */
 562         RtlAcquireResourceShared(&This->lock, TRUE);
 563
 564         if (!(This->device->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 565                 hres = IDsDriverBuffer_Lock(This->hwbuf,
 566                                      lplpaudioptr1, audiobytes1,
 567                                      lplpaudioptr2, audiobytes2,
 568                                      writecursor, writebytes,
 569                                      0);
 570                 if (hres != DS_OK) {
 571                         WARN("IDsDriverBuffer_Lock failed\n");
 572                         RtlReleaseResource(&This->lock);
 573                         return hres;
 574                 }
 575         } else {
 576                 if (writecursor+writebytes <= This->buflen) {
 577                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 578                         if (This->sec_mixpos >= writecursor && This->sec_mixpos < writecursor + writebytes && This->state == STATE_PLAYING)
 579                                 WARN("Overwriting mixing position, case 1\n");
 580                         *audiobytes1 = writebytes;
 581                         if (lplpaudioptr2)
 582                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 583                         if (audiobytes2)
 584                                 *audiobytes2 = 0;
 585                         TRACE("Locked %p(%i bytes) and %p(%i bytes) writecursor=%d\n",
 586                           *(LPBYTE*)lplpaudioptr1, *audiobytes1, lplpaudioptr2 ? *(LPBYTE*)lplpaudioptr2 : NULL, audiobytes2 ? *audiobytes2: 0, writecursor);
 587                         TRACE("->%d.0\n",writebytes);
 588                 } else {
 589                         DWORD remainder = writebytes + writecursor - This->buflen;
 590                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 591                         *audiobytes1 = This->buflen-writecursor;
 592                         if (This->sec_mixpos >= writecursor && This->sec_mixpos < writecursor + writebytes && This->state == STATE_PLAYING)
 593                                 WARN("Overwriting mixing position, case 2\n");
 594                         if (lplpaudioptr2)
 595                                 *(LPBYTE*)lplpaudioptr2 = This->buffer->memory;
 596                         if (audiobytes2)
 597                                 *audiobytes2 = writebytes-(This->buflen-writecursor);
 598                         if (audiobytes2 && This->sec_mixpos < remainder && This->state == STATE_PLAYING)
 599                                 WARN("Overwriting mixing position, case 3\n");
 600                         TRACE("Locked %p(%i bytes) and %p(%i bytes) writecursor=%d\n", *(LPBYTE*)lplpaudioptr1, *audiobytes1, lplpaudioptr2 ? *(LPBYTE*)lplpaudioptr2 : NULL, audiobytes2 ? *audiobytes2: 0, writecursor);
 601                 }
 602         }
 603
 604         RtlReleaseResource(&This->lock);
 605         /* **** */
 606
 607         return DS_OK;
 608 }
 609
 610 static HRESULT WINAPI IDirectSoundBufferImpl_SetCurrentPosition(
 611         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos
 612 ) {
 613         HRESULT hres = DS_OK;
 614         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 615         DWORD oldpos;
 616         TRACE("(%p,%d)\n",This,newpos);
 617
 618         /* **** */
 619         RtlAcquireResourceExclusive(&This->lock, TRUE);
 620
 621         oldpos = This->sec_mixpos;
 622
 623         /* start mixing from this new location instead */
 624         newpos %= This->buflen;
 625         newpos -= newpos%This->pwfx->nBlockAlign;
 626         This->sec_mixpos = newpos;
 627
 628         /* at this point, do not attempt to reset buffers, mess with primary mix position,
 629            or anything like that to reduce latancy. The data already prebuffered cannot be changed */
 630
 631         /* position HW buffer if applicable, else just start mixing from new location instead */
 632         if (This->hwbuf) {
 633                 hres = IDsDriverBuffer_SetPosition(This->hwbuf, This->buf_mixpos);
 634                 if (hres != DS_OK)
 635                         WARN("IDsDriverBuffer_SetPosition failed\n");
 636         }
 637         else if (oldpos != newpos)
 638                 /* FIXME: Perhaps add a call to DSOUND_MixToTemporary here? Not sure it's needed */
 639                 This->buf_mixpos = DSOUND_secpos_to_bufpos(This, newpos, 0, NULL);
 640
 641         RtlReleaseResource(&This->lock);
 642         /* **** */
 643
 644         return hres;
 645 }
 646
 647 static HRESULT WINAPI IDirectSoundBufferImpl_SetPan(
 648         LPDIRECTSOUNDBUFFER8 iface,LONG pan
 649 ) {
 650         HRESULT hres = DS_OK;
 651         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 652
 653         TRACE("(%p,%d)\n",This,pan);
 654
 655         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 656                 WARN("invalid parameter: pan = %d\n", pan);
 657                 return DSERR_INVALIDPARAM;
 658         }
 659
 660         /* You cannot use both pan and 3D controls */
 661         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN) ||
 662             (This->dsbd.dwFlags & DSBCAPS_CTRL3D)) {
 663                 WARN("control unavailable\n");
 664                 return DSERR_CONTROLUNAVAIL;
 665         }
 666
 667         /* **** */
 668         RtlAcquireResourceExclusive(&This->lock, TRUE);
 669
 670         if (This->volpan.lPan != pan) {
 671                 This->volpan.lPan = pan;
 672                 DSOUND_RecalcVolPan(&(This->volpan));
 673
 674                 if (This->hwbuf) {
 675                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
 676                         if (hres != DS_OK)
 677                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
 678                 }
 679         }
 680
 681         RtlReleaseResource(&This->lock);
 682         /* **** */
 683
 684         return hres;
 685 }
 686
 687 static HRESULT WINAPI IDirectSoundBufferImpl_GetPan(
 688         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan
 689 ) {
 690         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 691         TRACE("(%p,%p)\n",This,pan);
 692
 693         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 694                 WARN("control unavailable\n");
 695                 return DSERR_CONTROLUNAVAIL;
 696         }
 697
 698         if (pan == NULL) {
 699                 WARN("invalid parameter: pan = NULL\n");
 700                 return DSERR_INVALIDPARAM;
 701         }
 702
 703         *pan = This->volpan.lPan;
 704
 705         return DS_OK;
 706 }
 707
 708 static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
 709         LPDIRECTSOUNDBUFFER8 iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 710 ) {
 711         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface, *iter;
 712         HRESULT hres = DS_OK;
 713
 714         TRACE("(%p,%p,%d,%p,%d)\n", This,p1,x1,p2,x2);
 715
 716         /* **** */
 717         RtlAcquireResourceShared(&This->lock, TRUE);
 718
 719         if (!(This->device->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 720                 hres = IDsDriverBuffer_Unlock(This->hwbuf, p1, x1, p2, x2);
 721                 if (hres != DS_OK)
 722                         WARN("IDsDriverBuffer_Unlock failed\n");
 723         }
 724
 725         RtlReleaseResource(&This->lock);
 726         /* **** */
 727
 728         if (!p2)
 729                 x2 = 0;
 730
 731         if (!This->hwbuf && (x1 || x2))
 732         {
 733                 RtlAcquireResourceShared(&This->device->buffer_list_lock, TRUE);
 734                 LIST_FOR_EACH_ENTRY(iter, &This->buffer->buffers, IDirectSoundBufferImpl, entry )
 735                 {
 736                         RtlAcquireResourceShared(&iter->lock, TRUE);
 737                         if (x1)
 738                         {
 739                             if(x1 + (DWORD_PTR)p1 - (DWORD_PTR)iter->buffer->memory > iter->buflen)
 740                               hres = DSERR_INVALIDPARAM;
 741                             else
 742                               DSOUND_MixToTemporary(iter, (DWORD_PTR)p1 - (DWORD_PTR)iter->buffer->memory, x1, FALSE);
 743                         }
 744                         if (x2)
 745                                 DSOUND_MixToTemporary(iter, 0, x2, FALSE);
 746                         RtlReleaseResource(&iter->lock);
 747                 }
 748                 RtlReleaseResource(&This->device->buffer_list_lock);
 749         }
 750
 751         return hres;
 752 }
 753
 754 static HRESULT WINAPI IDirectSoundBufferImpl_Restore(
 755         LPDIRECTSOUNDBUFFER8 iface
 756 ) {
 757         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 758         FIXME("(%p):stub\n",This);
 759         return DS_OK;
 760 }
 761
 762 static HRESULT WINAPI IDirectSoundBufferImpl_GetFrequency(
 763         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq
 764 ) {
 765         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 766         TRACE("(%p,%p)\n",This,freq);
 767
 768         if (freq == NULL) {
 769                 WARN("invalid parameter: freq = NULL\n");
 770                 return DSERR_INVALIDPARAM;
 771         }
 772
 773         *freq = This->freq;
 774         TRACE("-> %d\n", *freq);
 775
 776         return DS_OK;
 777 }
 778
 779 static HRESULT WINAPI IDirectSoundBufferImpl_SetFX(
 780         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes
 781 ) {
 782         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 783         DWORD u;
 784
 785         FIXME("(%p,%u,%p,%p): stub\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
 786
 787         if (pdwResultCodes)
 788                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 789
 790         WARN("control unavailable\n");
 791         return DSERR_CONTROLUNAVAIL;
 792 }
 793
 794 static HRESULT WINAPI IDirectSoundBufferImpl_AcquireResources(
 795         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes
 796 ) {
 797         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 798         DWORD u;
 799
 800         FIXME("(%p,%08u,%u,%p): stub\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
 801
 802         if (pdwResultCodes)
 803                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 804
 805         WARN("control unavailable\n");
 806         return DSERR_CONTROLUNAVAIL;
 807 }
 808
 809 static HRESULT WINAPI IDirectSoundBufferImpl_GetObjectInPath(
 810         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject
 811 ) {
 812         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 813
 814         FIXME("(%p,%s,%u,%s,%p): stub\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
 815
 816         WARN("control unavailable\n");
 817         return DSERR_CONTROLUNAVAIL;
 818 }
 819
 820 static HRESULT WINAPI IDirectSoundBufferImpl_Initialize(
 821         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
 822 ) {
 823         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 824         WARN("(%p) already initialized\n", This);
 825         return DSERR_ALREADYINITIALIZED;
 826 }
 827
 828 static HRESULT WINAPI IDirectSoundBufferImpl_GetCaps(
 829         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps
 830 ) {
 831         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 832         TRACE("(%p)->(%p)\n",This,caps);
 833
 834         if (caps == NULL) {
 835                 WARN("invalid parameter: caps == NULL\n");
 836                 return DSERR_INVALIDPARAM;
 837         }
 838
 839         if (caps->dwSize < sizeof(*caps)) {
 840                 WARN("invalid parameter: caps->dwSize = %d\n",caps->dwSize);
 841                 return DSERR_INVALIDPARAM;
 842         }
 843
 844         caps->dwFlags = This->dsbd.dwFlags;
 845         if (This->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
 846         else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
 847
 848         caps->dwBufferBytes = This->buflen;
 849
 850         /* According to windows, this is zero*/
 851         caps->dwUnlockTransferRate = 0;
 852         caps->dwPlayCpuOverhead = 0;
 853
 854         return DS_OK;
 855 }
 856
 857 static HRESULT WINAPI IDirectSoundBufferImpl_QueryInterface(
 858         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj
 859 ) {
 860         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 861
 862         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 863
 864         if (ppobj == NULL) {
 865                 WARN("invalid parameter\n");
 866                 return E_INVALIDARG;
 867         }
 868
 869         *ppobj = NULL;  /* assume failure */
 870
 871         if ( IsEqualGUID(riid, &IID_IUnknown) ||
 872              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ||
 873              IsEqualGUID(riid, &IID_IDirectSoundBuffer8) ) {
 874                 if (!This->secondary)
 875                         SecondaryBufferImpl_Create(This, &(This->secondary));
 876                 if (This->secondary) {
 877                         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)This->secondary);
 878                         *ppobj = This->secondary;
 879                         return S_OK;
 880                 }
 881                 WARN("IID_IDirectSoundBuffer\n");
 882                 return E_NOINTERFACE;
 883         }
 884
 885         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
 886                 if (!This->notify)
 887                         IDirectSoundNotifyImpl_Create(This, &(This->notify));
 888                 if (This->notify) {
 889                         IDirectSoundNotify_AddRef((LPDIRECTSOUNDNOTIFY)This->notify);
 890                         *ppobj = This->notify;
 891                         return S_OK;
 892                 }
 893                 WARN("IID_IDirectSoundNotify\n");
 894                 return E_NOINTERFACE;
 895         }
 896
 897         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
 898                 if (!This->ds3db)
 899                         IDirectSound3DBufferImpl_Create(This, &(This->ds3db));
 900                 if (This->ds3db) {
 901                         IDirectSound3DBuffer_AddRef((LPDIRECTSOUND3DBUFFER)This->ds3db);
 902                         *ppobj = This->ds3db;
 903                         return S_OK;
 904                 }
 905                 WARN("IID_IDirectSound3DBuffer\n");
 906                 return E_NOINTERFACE;
 907         }
 908
 909         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
 910                 ERR("app requested IDirectSound3DListener on secondary buffer\n");
 911                 return E_NOINTERFACE;
 912         }
 913
 914         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
 915                 if (!This->iks)
 916                         IKsBufferPropertySetImpl_Create(This, &(This->iks));
 917                 if (This->iks) {
 918                         IKsPropertySet_AddRef((LPKSPROPERTYSET)This->iks);
 919                         *ppobj = This->iks;
 920                         return S_OK;
 921                 }
 922                 WARN("IID_IKsPropertySet\n");
 923                 return E_NOINTERFACE;
 924         }
 925
 926         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 927
 928         return E_NOINTERFACE;
 929 }
 930
 931 static const IDirectSoundBuffer8Vtbl dsbvt =
 932 {
 933         IDirectSoundBufferImpl_QueryInterface,
 934         IDirectSoundBufferImpl_AddRef,
 935         IDirectSoundBufferImpl_Release,
 936         IDirectSoundBufferImpl_GetCaps,
 937         IDirectSoundBufferImpl_GetCurrentPosition,
 938         IDirectSoundBufferImpl_GetFormat,
 939         IDirectSoundBufferImpl_GetVolume,
 940         IDirectSoundBufferImpl_GetPan,
 941         IDirectSoundBufferImpl_GetFrequency,
 942         IDirectSoundBufferImpl_GetStatus,
 943         IDirectSoundBufferImpl_Initialize,
 944         IDirectSoundBufferImpl_Lock,
 945         IDirectSoundBufferImpl_Play,
 946         IDirectSoundBufferImpl_SetCurrentPosition,
 947         IDirectSoundBufferImpl_SetFormat,
 948         IDirectSoundBufferImpl_SetVolume,
 949         IDirectSoundBufferImpl_SetPan,
 950         IDirectSoundBufferImpl_SetFrequency,
 951         IDirectSoundBufferImpl_Stop,
 952         IDirectSoundBufferImpl_Unlock,
 953         IDirectSoundBufferImpl_Restore,
 954         IDirectSoundBufferImpl_SetFX,
 955         IDirectSoundBufferImpl_AcquireResources,
 956         IDirectSoundBufferImpl_GetObjectInPath
 957 };
 958
 959 HRESULT IDirectSoundBufferImpl_Create(
 960         DirectSoundDevice * device,
 961         IDirectSoundBufferImpl **pdsb,
 962         LPCDSBUFFERDESC dsbd)
 963 {
 964         IDirectSoundBufferImpl *dsb;
 965         LPWAVEFORMATEX wfex = dsbd->lpwfxFormat;
 966         HRESULT err = DS_OK;
 967         DWORD capf = 0;
 968         int use_hw, alloc_size, cp_size;
 969         TRACE("(%p,%p,%p)\n",device,pdsb,dsbd);
 970
 971         if (dsbd->dwBufferBytes < DSBSIZE_MIN || dsbd->dwBufferBytes > DSBSIZE_MAX) {
 972                 WARN("invalid parameter: dsbd->dwBufferBytes = %d\n", dsbd->dwBufferBytes);
 973                 *pdsb = NULL;
 974                 return DSERR_INVALIDPARAM; /* FIXME: which error? */
 975         }
 976
 977         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
 978
 979         if (dsb == 0) {
 980                 WARN("out of memory\n");
 981                 *pdsb = NULL;
 982                 return DSERR_OUTOFMEMORY;
 983         }
 984
 985         TRACE("Created buffer at %p\n", dsb);
 986
 987         dsb->ref = 0;
 988         dsb->secondary = 0;
 989         dsb->device = device;
 990         dsb->lpVtbl = &dsbvt;
 991         dsb->iks = NULL;
 992
 993         /* size depends on version */
 994         CopyMemory(&dsb->dsbd, dsbd, dsbd->dwSize);
 995
 996         /* variable sized struct so calculate size based on format */
 997         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
 998                 alloc_size = sizeof(WAVEFORMATEX);
 999                 cp_size = sizeof(PCMWAVEFORMAT);
1000         } else
1001                 alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
1002
1003         dsb->pwfx = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,alloc_size);
1004         if (dsb->pwfx == NULL) {
1005                 WARN("out of memory\n");
1006                 HeapFree(GetProcessHeap(),0,dsb);
1007                 *pdsb = NULL;
1008                 return DSERR_OUTOFMEMORY;
1009         }
1010
1011         CopyMemory(dsb->pwfx, wfex, cp_size);
1012
1013         if (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign)
1014                 dsb->buflen = dsbd->dwBufferBytes +
1015                         (dsbd->lpwfxFormat->nBlockAlign -
1016                         (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign));
1017         else
1018                 dsb->buflen = dsbd->dwBufferBytes;
1019
1020         dsb->freq = dsbd->lpwfxFormat->nSamplesPerSec;
1021         dsb->notify = NULL;
1022         dsb->notifies = NULL;
1023         dsb->nrofnotifies = 0;
1024         dsb->hwnotify = 0;
1025
1026         /* Check necessary hardware mixing capabilities */
1027         if (wfex->nChannels==2) capf |= DSCAPS_SECONDARYSTEREO;
1028         else capf |= DSCAPS_SECONDARYMONO;
1029         if (wfex->wBitsPerSample==16) capf |= DSCAPS_SECONDARY16BIT;
1030         else capf |= DSCAPS_SECONDARY8BIT;
1031
1032         use_hw = !!(dsbd->dwFlags & DSBCAPS_LOCHARDWARE);
1033         TRACE("use_hw = %d, capf = 0x%08x, device->drvcaps.dwFlags = 0x%08x\n", use_hw, capf, device->drvcaps.dwFlags);
1034         if (use_hw && ((device->drvcaps.dwFlags & capf) != capf || !device->driver))
1035         {
1036                 if (device->driver)
1037                         WARN("Format not supported for hardware buffer\n");
1038                 HeapFree(GetProcessHeap(),0,dsb->pwfx);
1039                 HeapFree(GetProcessHeap(),0,dsb);
1040                 *pdsb = NULL;
1041                 if ((device->drvcaps.dwFlags & capf) != capf)
1042                         return DSERR_BADFORMAT;
1043                 return DSERR_GENERIC;
1044         }
1045
1046         /* FIXME: check hardware sample rate mixing capabilities */
1047         /* FIXME: check app hints for software/hardware buffer (STATIC, LOCHARDWARE, etc) */
1048         /* FIXME: check whether any hardware buffers are left */
1049         /* FIXME: handle DSDHEAP_CREATEHEAP for hardware buffers */
1050
1051         /* Allocate an empty buffer */
1052         dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
1053         if (dsb->buffer == NULL) {
1054                 WARN("out of memory\n");
1055                 HeapFree(GetProcessHeap(),0,dsb->pwfx);
1056                 HeapFree(GetProcessHeap(),0,dsb);
1057                 *pdsb = NULL;
1058                 return DSERR_OUTOFMEMORY;
1059         }
1060
1061         /* Allocate system memory for buffer if applicable */
1062         if ((device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) || !use_hw) {
1063                 dsb->buffer->memory = HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1064                 if (dsb->buffer->memory == NULL) {
1065                         WARN("out of memory\n");
1066                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1067                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1068                         HeapFree(GetProcessHeap(),0,dsb);
1069                         *pdsb = NULL;
1070                         return DSERR_OUTOFMEMORY;
1071                 }
1072         }
1073
1074         /* Allocate the hardware buffer */
1075         if (use_hw) {
1076                 err = IDsDriver_CreateSoundBuffer(device->driver,wfex,dsbd->dwFlags,0,
1077                                                   &(dsb->buflen),&(dsb->buffer->memory),
1078                                                   (LPVOID*)&(dsb->hwbuf));
1079                 if (FAILED(err))
1080                 {
1081                         WARN("Failed to create hardware secondary buffer: %08x\n", err);
1082                         if (device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY)
1083                                 HeapFree(GetProcessHeap(),0,dsb->buffer->memory);
1084                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1085                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1086                         HeapFree(GetProcessHeap(),0,dsb);
1087                         *pdsb = NULL;
1088                         return DSERR_GENERIC;
1089                 }
1090         }
1091
1092         dsb->buffer->ref = 1;
1093         list_init(&dsb->buffer->buffers);
1094         list_add_head(&dsb->buffer->buffers, &dsb->entry);
1095         FillMemory(dsb->buffer->memory, dsb->buflen, dsbd->lpwfxFormat->wBitsPerSample == 8 ? 128 : 0);
1096
1097         /* It's not necessary to initialize values to zero since */
1098         /* we allocated this structure with HEAP_ZERO_MEMORY... */
1099         dsb->buf_mixpos = dsb->sec_mixpos = 0;
1100         dsb->state = STATE_STOPPED;
1101
1102         dsb->freqAdjust = ((DWORD64)dsb->freq << DSOUND_FREQSHIFT) / device->pwfx->nSamplesPerSec;
1103         dsb->nAvgBytesPerSec = dsb->freq *
1104                 dsbd->lpwfxFormat->nBlockAlign;
1105
1106         /* calculate fragment size and write lead */
1107         DSOUND_RecalcFormat(dsb);
1108
1109         if (dsb->dsbd.dwFlags & DSBCAPS_CTRL3D) {
1110                 dsb->ds3db_ds3db.dwSize = sizeof(DS3DBUFFER);
1111                 dsb->ds3db_ds3db.vPosition.x = 0.0;
1112                 dsb->ds3db_ds3db.vPosition.y = 0.0;
1113                 dsb->ds3db_ds3db.vPosition.z = 0.0;
1114                 dsb->ds3db_ds3db.vVelocity.x = 0.0;
1115                 dsb->ds3db_ds3db.vVelocity.y = 0.0;
1116                 dsb->ds3db_ds3db.vVelocity.z = 0.0;
1117                 dsb->ds3db_ds3db.dwInsideConeAngle = DS3D_DEFAULTCONEANGLE;
1118                 dsb->ds3db_ds3db.dwOutsideConeAngle = DS3D_DEFAULTCONEANGLE;
1119                 dsb->ds3db_ds3db.vConeOrientation.x = 0.0;
1120                 dsb->ds3db_ds3db.vConeOrientation.y = 0.0;
1121                 dsb->ds3db_ds3db.vConeOrientation.z = 0.0;
1122                 dsb->ds3db_ds3db.lConeOutsideVolume = DS3D_DEFAULTCONEOUTSIDEVOLUME;
1123                 dsb->ds3db_ds3db.flMinDistance = DS3D_DEFAULTMINDISTANCE;
1124                 dsb->ds3db_ds3db.flMaxDistance = DS3D_DEFAULTMAXDISTANCE;
1125                 dsb->ds3db_ds3db.dwMode = DS3DMODE_NORMAL;
1126
1127                 dsb->ds3db_need_recalc = FALSE;
1128                 DSOUND_Calc3DBuffer(dsb);
1129         } else
1130                 DSOUND_RecalcVolPan(&(dsb->volpan));
1131
1132         RtlInitializeResource(&dsb->lock);
1133
1134         /* register buffer if not primary */
1135         if (!(dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER)) {
1136                 err = DirectSoundDevice_AddBuffer(device, dsb);
1137                 if (err != DS_OK) {
1138                         HeapFree(GetProcessHeap(),0,dsb->buffer->memory);
1139                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1140                         RtlDeleteResource(&dsb->lock);
1141                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1142                         HeapFree(GetProcessHeap(),0,dsb);
1143                         dsb = NULL;
1144                 }
1145         }
1146
1147         *pdsb = dsb;
1148         return err;
1149 }
1150
1151 HRESULT IDirectSoundBufferImpl_Destroy(
1152     IDirectSoundBufferImpl *pdsb)
1153 {
1154     TRACE("(%p)\n",pdsb);
1155
1156     /* This keeps the *_Destroy functions from possibly deleting
1157      * this object until it is ready to be deleted */
1158     IDirectSoundBufferImpl_AddRef((LPDIRECTSOUNDBUFFER8)pdsb);
1159
1160     if (pdsb->iks) {
1161         WARN("iks not NULL\n");
1162         IKsBufferPropertySetImpl_Destroy(pdsb->iks);
1163         pdsb->iks = NULL;
1164     }
1165
1166     if (pdsb->ds3db) {
1167         WARN("ds3db not NULL\n");
1168         IDirectSound3DBufferImpl_Destroy(pdsb->ds3db);
1169         pdsb->ds3db = NULL;
1170     }
1171
1172     if (pdsb->notify) {
1173         WARN("notify not NULL\n");
1174         IDirectSoundNotifyImpl_Destroy(pdsb->notify);
1175         pdsb->notify = NULL;
1176     }
1177
1178     if (pdsb->secondary) {
1179         WARN("dsb not NULL\n");
1180         SecondaryBufferImpl_Destroy(pdsb->secondary);
1181         pdsb->secondary = NULL;
1182     }
1183
1184     while (IDirectSoundBuffer8_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1185
1186     return S_OK;
1187 }
1188
1189 HRESULT IDirectSoundBufferImpl_Duplicate(
1190     DirectSoundDevice *device,
1191     IDirectSoundBufferImpl **ppdsb,
1192     IDirectSoundBufferImpl *pdsb)
1193 {
1194     IDirectSoundBufferImpl *dsb;
1195     HRESULT hres = DS_OK;
1196     int size;
1197     TRACE("(%p,%p,%p)\n", device, pdsb, pdsb);
1198
1199     dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1200
1201     if (dsb == NULL) {
1202         WARN("out of memory\n");
1203         *ppdsb = NULL;
1204         return DSERR_OUTOFMEMORY;
1205     }
1206
1207     CopyMemory(dsb, pdsb, sizeof(IDirectSoundBufferImpl));
1208
1209     if (pdsb->hwbuf) {
1210         TRACE("duplicating hardware buffer\n");
1211
1212         hres = IDsDriver_DuplicateSoundBuffer(device->driver, pdsb->hwbuf,
1213                                               (LPVOID *)&dsb->hwbuf);
1214         if (FAILED(hres)) {
1215             WARN("IDsDriver_DuplicateSoundBuffer failed (%08x)\n", hres);
1216             HeapFree(GetProcessHeap(),0,dsb);
1217             *ppdsb = NULL;
1218             return hres;
1219         }
1220     }
1221
1222     dsb->buffer->ref++;
1223     list_add_head(&dsb->buffer->buffers, &dsb->entry);
1224     dsb->ref = 0;
1225     dsb->state = STATE_STOPPED;
1226     dsb->buf_mixpos = dsb->sec_mixpos = 0;
1227     dsb->device = device;
1228     dsb->ds3db = NULL;
1229     dsb->iks = NULL; /* FIXME? */
1230     dsb->secondary = NULL;
1231     dsb->tmp_buffer = NULL;
1232     DSOUND_RecalcFormat(dsb);
1233     DSOUND_MixToTemporary(dsb, 0, dsb->buflen, FALSE);
1234
1235     /* variable sized struct so calculate size based on format */
1236     size = sizeof(WAVEFORMATEX) + pdsb->pwfx->cbSize;
1237
1238     dsb->pwfx = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,size);
1239     if (dsb->pwfx == NULL) {
1240             WARN("out of memory\n");
1241             HeapFree(GetProcessHeap(),0,dsb->buffer);
1242             HeapFree(GetProcessHeap(),0,dsb);
1243             *ppdsb = NULL;
1244             return DSERR_OUTOFMEMORY;
1245     }
1246
1247     CopyMemory(dsb->pwfx, pdsb->pwfx, size);
1248
1249     RtlInitializeResource(&dsb->lock);
1250
1251     /* register buffer */
1252     hres = DirectSoundDevice_AddBuffer(device, dsb);
1253     if (hres != DS_OK) {
1254         RtlDeleteResource(&dsb->lock);
1255         HeapFree(GetProcessHeap(),0,dsb->tmp_buffer);
1256         HeapFree(GetProcessHeap(),0,dsb->buffer);
1257         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1258         HeapFree(GetProcessHeap(),0,dsb);
1259         *ppdsb = 0;
1260     }
1261
1262     *ppdsb = dsb;
1263     return hres;
1264 }
1265
1266 /*******************************************************************************
1267  *              SecondaryBuffer
1268  */
1269
1270 static HRESULT WINAPI SecondaryBufferImpl_QueryInterface(
1271         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj)
1272 {
1273         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1274         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
1275
1276         return IDirectSoundBufferImpl_QueryInterface((LPDIRECTSOUNDBUFFER8)This->dsb,riid,ppobj);
1277 }
1278
1279 static ULONG WINAPI SecondaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
1280 {
1281     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1282     ULONG ref = InterlockedIncrement(&(This->ref));
1283     TRACE("(%p) ref was %d\n", This, ref - 1);
1284     return ref;
1285 }
1286
1287 static ULONG WINAPI SecondaryBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
1288 {
1289     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1290     ULONG ref;
1291     TRACE("(%p)\n", This);
1292     ref = InterlockedDecrement(&(This->ref));
1293     TRACE("ref was %d\n", ref + 1);
1294
1295     if (!ref) {
1296         This->dsb->secondary = NULL;
1297         IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER8)This->dsb);
1298         HeapFree(GetProcessHeap(), 0, This);
1299         TRACE("(%p) released\n", This);
1300     }
1301     return ref;
1302 }
1303
1304 static HRESULT WINAPI SecondaryBufferImpl_GetCaps(
1305         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps)
1306 {
1307         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1308         TRACE("(%p)->(%p)\n",This,caps);
1309
1310         return IDirectSoundBufferImpl_GetCaps((LPDIRECTSOUNDBUFFER8)This->dsb,caps);
1311 }
1312
1313 static HRESULT WINAPI SecondaryBufferImpl_GetCurrentPosition(
1314         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos)
1315 {
1316         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1317         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
1318
1319         return IDirectSoundBufferImpl_GetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,playpos,writepos);
1320 }
1321
1322 static HRESULT WINAPI SecondaryBufferImpl_GetFormat(
1323         LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX lpwf,DWORD wfsize,LPDWORD wfwritten)
1324 {
1325         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1326         TRACE("(%p,%p,%d,%p)\n",This,lpwf,wfsize,wfwritten);
1327
1328         return IDirectSoundBufferImpl_GetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,lpwf,wfsize,wfwritten);
1329 }
1330
1331 static HRESULT WINAPI SecondaryBufferImpl_GetVolume(
1332         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol)
1333 {
1334         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1335         TRACE("(%p,%p)\n",This,vol);
1336
1337         return IDirectSoundBufferImpl_GetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1338 }
1339
1340 static HRESULT WINAPI SecondaryBufferImpl_GetPan(
1341         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan)
1342 {
1343         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1344         TRACE("(%p,%p)\n",This,pan);
1345
1346         return IDirectSoundBufferImpl_GetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1347 }
1348
1349 static HRESULT WINAPI SecondaryBufferImpl_GetFrequency(
1350         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq)
1351 {
1352         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1353         TRACE("(%p,%p)\n",This,freq);
1354
1355         return IDirectSoundBufferImpl_GetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1356 }
1357
1358 static HRESULT WINAPI SecondaryBufferImpl_GetStatus(
1359         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status)
1360 {
1361         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1362         TRACE("(%p,%p)\n",This,status);
1363
1364         return IDirectSoundBufferImpl_GetStatus((LPDIRECTSOUNDBUFFER8)This->dsb,status);
1365 }
1366
1367 static HRESULT WINAPI SecondaryBufferImpl_Initialize(
1368         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd)
1369 {
1370         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1371         TRACE("(%p,%p,%p)\n",This,dsound,dbsd);
1372
1373         return IDirectSoundBufferImpl_Initialize((LPDIRECTSOUNDBUFFER8)This->dsb,dsound,dbsd);
1374 }
1375
1376 static HRESULT WINAPI SecondaryBufferImpl_Lock(
1377     LPDIRECTSOUNDBUFFER8 iface,
1378     DWORD writecursor,
1379     DWORD writebytes,
1380     LPVOID *lplpaudioptr1,
1381     LPDWORD audiobytes1,
1382     LPVOID *lplpaudioptr2,
1383     LPDWORD audiobytes2,
1384     DWORD dwFlags)
1385 {
1386     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1387     TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x)\n",
1388         This,writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1389
1390     return IDirectSoundBufferImpl_Lock((LPDIRECTSOUNDBUFFER8)This->dsb,
1391         writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1392 }
1393
1394 static HRESULT WINAPI SecondaryBufferImpl_Play(
1395         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags)
1396 {
1397         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1398         TRACE("(%p,%08x,%08x,%08x)\n",This,reserved1,reserved2,flags);
1399
1400         return IDirectSoundBufferImpl_Play((LPDIRECTSOUNDBUFFER8)This->dsb,reserved1,reserved2,flags);
1401 }
1402
1403 static HRESULT WINAPI SecondaryBufferImpl_SetCurrentPosition(
1404         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos)
1405 {
1406         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1407         TRACE("(%p,%d)\n",This,newpos);
1408
1409         return IDirectSoundBufferImpl_SetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,newpos);
1410 }
1411
1412 static HRESULT WINAPI SecondaryBufferImpl_SetFormat(
1413         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex)
1414 {
1415         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1416         TRACE("(%p,%p)\n",This,wfex);
1417
1418         return IDirectSoundBufferImpl_SetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,wfex);
1419 }
1420
1421 static HRESULT WINAPI SecondaryBufferImpl_SetVolume(
1422         LPDIRECTSOUNDBUFFER8 iface,LONG vol)
1423 {
1424         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1425         TRACE("(%p,%d)\n",This,vol);
1426
1427         return IDirectSoundBufferImpl_SetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1428 }
1429
1430 static HRESULT WINAPI SecondaryBufferImpl_SetPan(
1431         LPDIRECTSOUNDBUFFER8 iface,LONG pan)
1432 {
1433         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1434         TRACE("(%p,%d)\n",This,pan);
1435
1436         return IDirectSoundBufferImpl_SetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1437 }
1438
1439 static HRESULT WINAPI SecondaryBufferImpl_SetFrequency(
1440         LPDIRECTSOUNDBUFFER8 iface,DWORD freq)
1441 {
1442         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1443         TRACE("(%p,%d)\n",This,freq);
1444
1445         return IDirectSoundBufferImpl_SetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1446 }
1447
1448 static HRESULT WINAPI SecondaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
1449 {
1450         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1451         TRACE("(%p)\n",This);
1452
1453         return IDirectSoundBufferImpl_Stop((LPDIRECTSOUNDBUFFER8)This->dsb);
1454 }
1455
1456 static HRESULT WINAPI SecondaryBufferImpl_Unlock(
1457     LPDIRECTSOUNDBUFFER8 iface,
1458     LPVOID lpvAudioPtr1,
1459     DWORD dwAudioBytes1,
1460     LPVOID lpvAudioPtr2,
1461     DWORD dwAudioBytes2)
1462 {
1463     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1464     TRACE("(%p,%p,%d,%p,%d)\n",
1465         This, lpvAudioPtr1, dwAudioBytes1, lpvAudioPtr2, dwAudioBytes2);
1466
1467     return IDirectSoundBufferImpl_Unlock((LPDIRECTSOUNDBUFFER8)This->dsb,
1468         lpvAudioPtr1,dwAudioBytes1,lpvAudioPtr2,dwAudioBytes2);
1469 }
1470
1471 static HRESULT WINAPI SecondaryBufferImpl_Restore(
1472         LPDIRECTSOUNDBUFFER8 iface)
1473 {
1474         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1475         TRACE("(%p)\n",This);
1476
1477         return IDirectSoundBufferImpl_Restore((LPDIRECTSOUNDBUFFER8)This->dsb);
1478 }
1479
1480 static HRESULT WINAPI SecondaryBufferImpl_SetFX(
1481         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes)
1482 {
1483         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1484         TRACE("(%p,%u,%p,%p)\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1485
1486         return IDirectSoundBufferImpl_SetFX((LPDIRECTSOUNDBUFFER8)This->dsb,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1487 }
1488
1489 static HRESULT WINAPI SecondaryBufferImpl_AcquireResources(
1490         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes)
1491 {
1492         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1493         TRACE("(%p,%08u,%u,%p)\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
1494
1495         return IDirectSoundBufferImpl_AcquireResources((LPDIRECTSOUNDBUFFER8)This->dsb,dwFlags,dwEffectsCount,pdwResultCodes);
1496 }
1497
1498 static HRESULT WINAPI SecondaryBufferImpl_GetObjectInPath(
1499         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject)
1500 {
1501         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1502         TRACE("(%p,%s,%u,%s,%p)\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
1503
1504         return IDirectSoundBufferImpl_GetObjectInPath((LPDIRECTSOUNDBUFFER8)This->dsb,rguidObject,dwIndex,rguidInterface,ppObject);
1505 }
1506
1507 static const IDirectSoundBuffer8Vtbl sbvt =
1508 {
1509         SecondaryBufferImpl_QueryInterface,
1510         SecondaryBufferImpl_AddRef,
1511         SecondaryBufferImpl_Release,
1512         SecondaryBufferImpl_GetCaps,
1513         SecondaryBufferImpl_GetCurrentPosition,
1514         SecondaryBufferImpl_GetFormat,
1515         SecondaryBufferImpl_GetVolume,
1516         SecondaryBufferImpl_GetPan,
1517         SecondaryBufferImpl_GetFrequency,
1518         SecondaryBufferImpl_GetStatus,
1519         SecondaryBufferImpl_Initialize,
1520         SecondaryBufferImpl_Lock,
1521         SecondaryBufferImpl_Play,
1522         SecondaryBufferImpl_SetCurrentPosition,
1523         SecondaryBufferImpl_SetFormat,
1524         SecondaryBufferImpl_SetVolume,
1525         SecondaryBufferImpl_SetPan,
1526         SecondaryBufferImpl_SetFrequency,
1527         SecondaryBufferImpl_Stop,
1528         SecondaryBufferImpl_Unlock,
1529         SecondaryBufferImpl_Restore,
1530         SecondaryBufferImpl_SetFX,
1531         SecondaryBufferImpl_AcquireResources,
1532         SecondaryBufferImpl_GetObjectInPath
1533 };
1534
1535 HRESULT SecondaryBufferImpl_Create(
1536         IDirectSoundBufferImpl *dsb,
1537         SecondaryBufferImpl **psb)
1538 {
1539         SecondaryBufferImpl *sb;
1540         TRACE("(%p,%p)\n",dsb,psb);
1541
1542         sb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*sb));
1543
1544         if (sb == 0) {
1545                 WARN("out of memory\n");
1546                 *psb = NULL;
1547                 return DSERR_OUTOFMEMORY;
1548         }
1549         sb->ref = 0;
1550         sb->dsb = dsb;
1551         sb->lpVtbl = &sbvt;
1552
1553         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)dsb);
1554         *psb = sb;
1555         return S_OK;
1556 }
1557
1558 static HRESULT SecondaryBufferImpl_Destroy(
1559     SecondaryBufferImpl *pdsb)
1560 {
1561     TRACE("(%p)\n",pdsb);
1562
1563     while (SecondaryBufferImpl_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1564
1565     return S_OK;
1566 }