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