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                                 DSOUND_MixToTemporary(iter, (DWORD_PTR)p1 - (DWORD_PTR)iter->buffer->memory, x1, FALSE);
 739                         if (x2)
 740                                 DSOUND_MixToTemporary(iter, 0, x2, FALSE);
 741                         RtlReleaseResource(&iter->lock);
 742                 }
 743                 RtlReleaseResource(&This->device->buffer_list_lock);
 744         }
 745
 746         return hres;
 747 }
 748
 749 static HRESULT WINAPI IDirectSoundBufferImpl_Restore(
 750         LPDIRECTSOUNDBUFFER8 iface
 751 ) {
 752         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 753         FIXME("(%p):stub\n",This);
 754         return DS_OK;
 755 }
 756
 757 static HRESULT WINAPI IDirectSoundBufferImpl_GetFrequency(
 758         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq
 759 ) {
 760         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 761         TRACE("(%p,%p)\n",This,freq);
 762
 763         if (freq == NULL) {
 764                 WARN("invalid parameter: freq = NULL\n");
 765                 return DSERR_INVALIDPARAM;
 766         }
 767
 768         *freq = This->freq;
 769         TRACE("-> %d\n", *freq);
 770
 771         return DS_OK;
 772 }
 773
 774 static HRESULT WINAPI IDirectSoundBufferImpl_SetFX(
 775         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes
 776 ) {
 777         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 778         DWORD u;
 779
 780         FIXME("(%p,%u,%p,%p): stub\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
 781
 782         if (pdwResultCodes)
 783                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 784
 785         WARN("control unavailable\n");
 786         return DSERR_CONTROLUNAVAIL;
 787 }
 788
 789 static HRESULT WINAPI IDirectSoundBufferImpl_AcquireResources(
 790         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes
 791 ) {
 792         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 793         DWORD u;
 794
 795         FIXME("(%p,%08u,%u,%p): stub\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
 796
 797         if (pdwResultCodes)
 798                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 799
 800         WARN("control unavailable\n");
 801         return DSERR_CONTROLUNAVAIL;
 802 }
 803
 804 static HRESULT WINAPI IDirectSoundBufferImpl_GetObjectInPath(
 805         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject
 806 ) {
 807         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 808
 809         FIXME("(%p,%s,%u,%s,%p): stub\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
 810
 811         WARN("control unavailable\n");
 812         return DSERR_CONTROLUNAVAIL;
 813 }
 814
 815 static HRESULT WINAPI IDirectSoundBufferImpl_Initialize(
 816         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
 817 ) {
 818         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 819         WARN("(%p) already initialized\n", This);
 820         return DSERR_ALREADYINITIALIZED;
 821 }
 822
 823 static HRESULT WINAPI IDirectSoundBufferImpl_GetCaps(
 824         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps
 825 ) {
 826         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 827         TRACE("(%p)->(%p)\n",This,caps);
 828
 829         if (caps == NULL) {
 830                 WARN("invalid parameter: caps == NULL\n");
 831                 return DSERR_INVALIDPARAM;
 832         }
 833
 834         if (caps->dwSize < sizeof(*caps)) {
 835                 WARN("invalid parameter: caps->dwSize = %d\n",caps->dwSize);
 836                 return DSERR_INVALIDPARAM;
 837         }
 838
 839         caps->dwFlags = This->dsbd.dwFlags;
 840         if (This->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
 841         else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
 842
 843         caps->dwBufferBytes = This->buflen;
 844
 845         /* According to windows, this is zero*/
 846         caps->dwUnlockTransferRate = 0;
 847         caps->dwPlayCpuOverhead = 0;
 848
 849         return DS_OK;
 850 }
 851
 852 static HRESULT WINAPI IDirectSoundBufferImpl_QueryInterface(
 853         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj
 854 ) {
 855         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 856
 857         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 858
 859         if (ppobj == NULL) {
 860                 WARN("invalid parameter\n");
 861                 return E_INVALIDARG;
 862         }
 863
 864         *ppobj = NULL;  /* assume failure */
 865
 866         if ( IsEqualGUID(riid, &IID_IUnknown) ||
 867              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ||
 868              IsEqualGUID(riid, &IID_IDirectSoundBuffer8) ) {
 869                 if (!This->secondary)
 870                         SecondaryBufferImpl_Create(This, &(This->secondary));
 871                 if (This->secondary) {
 872                         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)This->secondary);
 873                         *ppobj = This->secondary;
 874                         return S_OK;
 875                 }
 876                 WARN("IID_IDirectSoundBuffer\n");
 877                 return E_NOINTERFACE;
 878         }
 879
 880         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
 881                 if (!This->notify)
 882                         IDirectSoundNotifyImpl_Create(This, &(This->notify));
 883                 if (This->notify) {
 884                         IDirectSoundNotify_AddRef((LPDIRECTSOUNDNOTIFY)This->notify);
 885                         *ppobj = This->notify;
 886                         return S_OK;
 887                 }
 888                 WARN("IID_IDirectSoundNotify\n");
 889                 return E_NOINTERFACE;
 890         }
 891
 892         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
 893                 if (!This->ds3db)
 894                         IDirectSound3DBufferImpl_Create(This, &(This->ds3db));
 895                 if (This->ds3db) {
 896                         IDirectSound3DBuffer_AddRef((LPDIRECTSOUND3DBUFFER)This->ds3db);
 897                         *ppobj = This->ds3db;
 898                         return S_OK;
 899                 }
 900                 WARN("IID_IDirectSound3DBuffer\n");
 901                 return E_NOINTERFACE;
 902         }
 903
 904         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
 905                 ERR("app requested IDirectSound3DListener on secondary buffer\n");
 906                 return E_NOINTERFACE;
 907         }
 908
 909         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
 910                 if (!This->iks)
 911                         IKsBufferPropertySetImpl_Create(This, &(This->iks));
 912                 if (This->iks) {
 913                         IKsPropertySet_AddRef((LPKSPROPERTYSET)This->iks);
 914                         *ppobj = This->iks;
 915                         return S_OK;
 916                 }
 917                 WARN("IID_IKsPropertySet\n");
 918                 return E_NOINTERFACE;
 919         }
 920
 921         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 922
 923         return E_NOINTERFACE;
 924 }
 925
 926 static const IDirectSoundBuffer8Vtbl dsbvt =
 927 {
 928         IDirectSoundBufferImpl_QueryInterface,
 929         IDirectSoundBufferImpl_AddRef,
 930         IDirectSoundBufferImpl_Release,
 931         IDirectSoundBufferImpl_GetCaps,
 932         IDirectSoundBufferImpl_GetCurrentPosition,
 933         IDirectSoundBufferImpl_GetFormat,
 934         IDirectSoundBufferImpl_GetVolume,
 935         IDirectSoundBufferImpl_GetPan,
 936         IDirectSoundBufferImpl_GetFrequency,
 937         IDirectSoundBufferImpl_GetStatus,
 938         IDirectSoundBufferImpl_Initialize,
 939         IDirectSoundBufferImpl_Lock,
 940         IDirectSoundBufferImpl_Play,
 941         IDirectSoundBufferImpl_SetCurrentPosition,
 942         IDirectSoundBufferImpl_SetFormat,
 943         IDirectSoundBufferImpl_SetVolume,
 944         IDirectSoundBufferImpl_SetPan,
 945         IDirectSoundBufferImpl_SetFrequency,
 946         IDirectSoundBufferImpl_Stop,
 947         IDirectSoundBufferImpl_Unlock,
 948         IDirectSoundBufferImpl_Restore,
 949         IDirectSoundBufferImpl_SetFX,
 950         IDirectSoundBufferImpl_AcquireResources,
 951         IDirectSoundBufferImpl_GetObjectInPath
 952 };
 953
 954 HRESULT IDirectSoundBufferImpl_Create(
 955         DirectSoundDevice * device,
 956         IDirectSoundBufferImpl **pdsb,
 957         LPCDSBUFFERDESC dsbd)
 958 {
 959         IDirectSoundBufferImpl *dsb;
 960         LPWAVEFORMATEX wfex = dsbd->lpwfxFormat;
 961         HRESULT err = DS_OK;
 962         DWORD capf = 0;
 963         int use_hw, alloc_size, cp_size;
 964         TRACE("(%p,%p,%p)\n",device,pdsb,dsbd);
 965
 966         if (dsbd->dwBufferBytes < DSBSIZE_MIN || dsbd->dwBufferBytes > DSBSIZE_MAX) {
 967                 WARN("invalid parameter: dsbd->dwBufferBytes = %d\n", dsbd->dwBufferBytes);
 968                 *pdsb = NULL;
 969                 return DSERR_INVALIDPARAM; /* FIXME: which error? */
 970         }
 971
 972         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
 973
 974         if (dsb == 0) {
 975                 WARN("out of memory\n");
 976                 *pdsb = NULL;
 977                 return DSERR_OUTOFMEMORY;
 978         }
 979
 980         TRACE("Created buffer at %p\n", dsb);
 981
 982         dsb->ref = 0;
 983         dsb->secondary = 0;
 984         dsb->device = device;
 985         dsb->lpVtbl = &dsbvt;
 986         dsb->iks = NULL;
 987
 988         /* size depends on version */
 989         CopyMemory(&dsb->dsbd, dsbd, dsbd->dwSize);
 990
 991         /* variable sized struct so calculate size based on format */
 992         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
 993                 alloc_size = sizeof(WAVEFORMATEX);
 994                 cp_size = sizeof(PCMWAVEFORMAT);
 995         } else
 996                 alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
 997
 998         dsb->pwfx = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,alloc_size);
 999         if (dsb->pwfx == NULL) {
1000                 WARN("out of memory\n");
1001                 HeapFree(GetProcessHeap(),0,dsb);
1002                 *pdsb = NULL;
1003                 return DSERR_OUTOFMEMORY;
1004         }
1005
1006         CopyMemory(dsb->pwfx, wfex, cp_size);
1007
1008         if (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign)
1009                 dsb->buflen = dsbd->dwBufferBytes +
1010                         (dsbd->lpwfxFormat->nBlockAlign -
1011                         (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign));
1012         else
1013                 dsb->buflen = dsbd->dwBufferBytes;
1014
1015         dsb->freq = dsbd->lpwfxFormat->nSamplesPerSec;
1016         dsb->notify = NULL;
1017         dsb->notifies = NULL;
1018         dsb->nrofnotifies = 0;
1019         dsb->hwnotify = 0;
1020
1021         /* Check necessary hardware mixing capabilities */
1022         if (wfex->nChannels==2) capf |= DSCAPS_SECONDARYSTEREO;
1023         else capf |= DSCAPS_SECONDARYMONO;
1024         if (wfex->wBitsPerSample==16) capf |= DSCAPS_SECONDARY16BIT;
1025         else capf |= DSCAPS_SECONDARY8BIT;
1026
1027         use_hw = !!(dsbd->dwFlags & DSBCAPS_LOCHARDWARE);
1028         TRACE("use_hw = %d, capf = 0x%08x, device->drvcaps.dwFlags = 0x%08x\n", use_hw, capf, device->drvcaps.dwFlags);
1029         if (use_hw && ((device->drvcaps.dwFlags & capf) != capf || !device->driver))
1030         {
1031                 if (device->driver)
1032                         WARN("Format not supported for hardware buffer\n");
1033                 HeapFree(GetProcessHeap(),0,dsb->pwfx);
1034                 HeapFree(GetProcessHeap(),0,dsb);
1035                 *pdsb = NULL;
1036                 if ((device->drvcaps.dwFlags & capf) != capf)
1037                         return DSERR_BADFORMAT;
1038                 return DSERR_GENERIC;
1039         }
1040
1041         /* FIXME: check hardware sample rate mixing capabilities */
1042         /* FIXME: check app hints for software/hardware buffer (STATIC, LOCHARDWARE, etc) */
1043         /* FIXME: check whether any hardware buffers are left */
1044         /* FIXME: handle DSDHEAP_CREATEHEAP for hardware buffers */
1045
1046         /* Allocate an empty buffer */
1047         dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
1048         if (dsb->buffer == NULL) {
1049                 WARN("out of memory\n");
1050                 HeapFree(GetProcessHeap(),0,dsb->pwfx);
1051                 HeapFree(GetProcessHeap(),0,dsb);
1052                 *pdsb = NULL;
1053                 return DSERR_OUTOFMEMORY;
1054         }
1055
1056         /* Allocate system memory for buffer if applicable */
1057         if ((device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) || !use_hw) {
1058                 dsb->buffer->memory = HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1059                 if (dsb->buffer->memory == NULL) {
1060                         WARN("out of memory\n");
1061                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1062                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1063                         HeapFree(GetProcessHeap(),0,dsb);
1064                         *pdsb = NULL;
1065                         return DSERR_OUTOFMEMORY;
1066                 }
1067         }
1068
1069         /* Allocate the hardware buffer */
1070         if (use_hw) {
1071                 err = IDsDriver_CreateSoundBuffer(device->driver,wfex,dsbd->dwFlags,0,
1072                                                   &(dsb->buflen),&(dsb->buffer->memory),
1073                                                   (LPVOID*)&(dsb->hwbuf));
1074                 if (FAILED(err))
1075                 {
1076                         WARN("Failed to create hardware secondary buffer: %08x\n", err);
1077                         if (device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY)
1078                                 HeapFree(GetProcessHeap(),0,dsb->buffer->memory);
1079                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1080                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1081                         HeapFree(GetProcessHeap(),0,dsb);
1082                         *pdsb = NULL;
1083                         return DSERR_GENERIC;
1084                 }
1085         }
1086
1087         dsb->buffer->ref = 1;
1088         list_init(&dsb->buffer->buffers);
1089         list_add_head(&dsb->buffer->buffers, &dsb->entry);
1090         FillMemory(dsb->buffer->memory, dsb->buflen, dsbd->lpwfxFormat->wBitsPerSample == 8 ? 128 : 0);
1091
1092         /* It's not necessary to initialize values to zero since */
1093         /* we allocated this structure with HEAP_ZERO_MEMORY... */
1094         dsb->buf_mixpos = dsb->sec_mixpos = 0;
1095         dsb->state = STATE_STOPPED;
1096
1097         dsb->freqAdjust = ((DWORD64)dsb->freq << DSOUND_FREQSHIFT) / device->pwfx->nSamplesPerSec;
1098         dsb->nAvgBytesPerSec = dsb->freq *
1099                 dsbd->lpwfxFormat->nBlockAlign;
1100
1101         /* calculate fragment size and write lead */
1102         DSOUND_RecalcFormat(dsb);
1103
1104         if (dsb->dsbd.dwFlags & DSBCAPS_CTRL3D) {
1105                 dsb->ds3db_ds3db.dwSize = sizeof(DS3DBUFFER);
1106                 dsb->ds3db_ds3db.vPosition.x = 0.0;
1107                 dsb->ds3db_ds3db.vPosition.y = 0.0;
1108                 dsb->ds3db_ds3db.vPosition.z = 0.0;
1109                 dsb->ds3db_ds3db.vVelocity.x = 0.0;
1110                 dsb->ds3db_ds3db.vVelocity.y = 0.0;
1111                 dsb->ds3db_ds3db.vVelocity.z = 0.0;
1112                 dsb->ds3db_ds3db.dwInsideConeAngle = DS3D_DEFAULTCONEANGLE;
1113                 dsb->ds3db_ds3db.dwOutsideConeAngle = DS3D_DEFAULTCONEANGLE;
1114                 dsb->ds3db_ds3db.vConeOrientation.x = 0.0;
1115                 dsb->ds3db_ds3db.vConeOrientation.y = 0.0;
1116                 dsb->ds3db_ds3db.vConeOrientation.z = 0.0;
1117                 dsb->ds3db_ds3db.lConeOutsideVolume = DS3D_DEFAULTCONEOUTSIDEVOLUME;
1118                 dsb->ds3db_ds3db.flMinDistance = DS3D_DEFAULTMINDISTANCE;
1119                 dsb->ds3db_ds3db.flMaxDistance = DS3D_DEFAULTMAXDISTANCE;
1120                 dsb->ds3db_ds3db.dwMode = DS3DMODE_NORMAL;
1121
1122                 dsb->ds3db_need_recalc = FALSE;
1123                 DSOUND_Calc3DBuffer(dsb);
1124         } else
1125                 DSOUND_RecalcVolPan(&(dsb->volpan));
1126
1127         RtlInitializeResource(&dsb->lock);
1128
1129         /* register buffer if not primary */
1130         if (!(dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER)) {
1131                 err = DirectSoundDevice_AddBuffer(device, dsb);
1132                 if (err != DS_OK) {
1133                         HeapFree(GetProcessHeap(),0,dsb->buffer->memory);
1134                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1135                         RtlDeleteResource(&dsb->lock);
1136                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1137                         HeapFree(GetProcessHeap(),0,dsb);
1138                         dsb = NULL;
1139                 }
1140         }
1141
1142         *pdsb = dsb;
1143         return err;
1144 }
1145
1146 HRESULT IDirectSoundBufferImpl_Destroy(
1147     IDirectSoundBufferImpl *pdsb)
1148 {
1149     TRACE("(%p)\n",pdsb);
1150
1151     /* This keeps the *_Destroy functions from possibly deleting
1152      * this object until it is ready to be deleted */
1153     IDirectSoundBufferImpl_AddRef((LPDIRECTSOUNDBUFFER8)pdsb);
1154
1155     if (pdsb->iks) {
1156         WARN("iks not NULL\n");
1157         IKsBufferPropertySetImpl_Destroy(pdsb->iks);
1158         pdsb->iks = NULL;
1159     }
1160
1161     if (pdsb->ds3db) {
1162         WARN("ds3db not NULL\n");
1163         IDirectSound3DBufferImpl_Destroy(pdsb->ds3db);
1164         pdsb->ds3db = NULL;
1165     }
1166
1167     if (pdsb->notify) {
1168         WARN("notify not NULL\n");
1169         IDirectSoundNotifyImpl_Destroy(pdsb->notify);
1170         pdsb->notify = NULL;
1171     }
1172
1173     if (pdsb->secondary) {
1174         WARN("dsb not NULL\n");
1175         SecondaryBufferImpl_Destroy(pdsb->secondary);
1176         pdsb->secondary = NULL;
1177     }
1178
1179     while (IDirectSoundBuffer8_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1180
1181     return S_OK;
1182 }
1183
1184 HRESULT IDirectSoundBufferImpl_Duplicate(
1185     DirectSoundDevice *device,
1186     IDirectSoundBufferImpl **ppdsb,
1187     IDirectSoundBufferImpl *pdsb)
1188 {
1189     IDirectSoundBufferImpl *dsb;
1190     HRESULT hres = DS_OK;
1191     int size;
1192     TRACE("(%p,%p,%p)\n", device, pdsb, pdsb);
1193
1194     dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1195
1196     if (dsb == NULL) {
1197         WARN("out of memory\n");
1198         *ppdsb = NULL;
1199         return DSERR_OUTOFMEMORY;
1200     }
1201
1202     CopyMemory(dsb, pdsb, sizeof(IDirectSoundBufferImpl));
1203
1204     if (pdsb->hwbuf) {
1205         TRACE("duplicating hardware buffer\n");
1206
1207         hres = IDsDriver_DuplicateSoundBuffer(device->driver, pdsb->hwbuf,
1208                                               (LPVOID *)&dsb->hwbuf);
1209         if (FAILED(hres)) {
1210             WARN("IDsDriver_DuplicateSoundBuffer failed (%08x)\n", hres);
1211             HeapFree(GetProcessHeap(),0,dsb);
1212             *ppdsb = NULL;
1213             return hres;
1214         }
1215     }
1216
1217     dsb->buffer->ref++;
1218     list_add_head(&dsb->buffer->buffers, &dsb->entry);
1219     dsb->ref = 0;
1220     dsb->state = STATE_STOPPED;
1221     dsb->buf_mixpos = dsb->sec_mixpos = 0;
1222     dsb->device = device;
1223     dsb->ds3db = NULL;
1224     dsb->iks = NULL; /* FIXME? */
1225     dsb->secondary = NULL;
1226     dsb->tmp_buffer = NULL;
1227     DSOUND_RecalcFormat(dsb);
1228     DSOUND_MixToTemporary(dsb, 0, dsb->buflen, FALSE);
1229
1230     /* variable sized struct so calculate size based on format */
1231     size = sizeof(WAVEFORMATEX) + pdsb->pwfx->cbSize;
1232
1233     dsb->pwfx = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,size);
1234     if (dsb->pwfx == NULL) {
1235             WARN("out of memory\n");
1236             HeapFree(GetProcessHeap(),0,dsb->buffer);
1237             HeapFree(GetProcessHeap(),0,dsb);
1238             *ppdsb = NULL;
1239             return DSERR_OUTOFMEMORY;
1240     }
1241
1242     CopyMemory(dsb->pwfx, pdsb->pwfx, size);
1243
1244     RtlInitializeResource(&dsb->lock);
1245
1246     /* register buffer */
1247     hres = DirectSoundDevice_AddBuffer(device, dsb);
1248     if (hres != DS_OK) {
1249         RtlDeleteResource(&dsb->lock);
1250         HeapFree(GetProcessHeap(),0,dsb->tmp_buffer);
1251         HeapFree(GetProcessHeap(),0,dsb->buffer);
1252         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1253         HeapFree(GetProcessHeap(),0,dsb);
1254         *ppdsb = 0;
1255     }
1256
1257     *ppdsb = dsb;
1258     return hres;
1259 }
1260
1261 /*******************************************************************************
1262  *              SecondaryBuffer
1263  */
1264
1265 static HRESULT WINAPI SecondaryBufferImpl_QueryInterface(
1266         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj)
1267 {
1268         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1269         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
1270
1271         return IDirectSoundBufferImpl_QueryInterface((LPDIRECTSOUNDBUFFER8)This->dsb,riid,ppobj);
1272 }
1273
1274 static ULONG WINAPI SecondaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
1275 {
1276     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1277     ULONG ref = InterlockedIncrement(&(This->ref));
1278     TRACE("(%p) ref was %d\n", This, ref - 1);
1279     return ref;
1280 }
1281
1282 static ULONG WINAPI SecondaryBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
1283 {
1284     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1285     ULONG ref;
1286     TRACE("(%p)\n", This);
1287     ref = InterlockedDecrement(&(This->ref));
1288     TRACE("ref was %d\n", ref + 1);
1289
1290     if (!ref) {
1291         This->dsb->secondary = NULL;
1292         IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER8)This->dsb);
1293         HeapFree(GetProcessHeap(), 0, This);
1294         TRACE("(%p) released\n", This);
1295     }
1296     return ref;
1297 }
1298
1299 static HRESULT WINAPI SecondaryBufferImpl_GetCaps(
1300         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps)
1301 {
1302         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1303         TRACE("(%p)->(%p)\n",This,caps);
1304
1305         return IDirectSoundBufferImpl_GetCaps((LPDIRECTSOUNDBUFFER8)This->dsb,caps);
1306 }
1307
1308 static HRESULT WINAPI SecondaryBufferImpl_GetCurrentPosition(
1309         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos)
1310 {
1311         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1312         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
1313
1314         return IDirectSoundBufferImpl_GetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,playpos,writepos);
1315 }
1316
1317 static HRESULT WINAPI SecondaryBufferImpl_GetFormat(
1318         LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX lpwf,DWORD wfsize,LPDWORD wfwritten)
1319 {
1320         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1321         TRACE("(%p,%p,%d,%p)\n",This,lpwf,wfsize,wfwritten);
1322
1323         return IDirectSoundBufferImpl_GetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,lpwf,wfsize,wfwritten);
1324 }
1325
1326 static HRESULT WINAPI SecondaryBufferImpl_GetVolume(
1327         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol)
1328 {
1329         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1330         TRACE("(%p,%p)\n",This,vol);
1331
1332         return IDirectSoundBufferImpl_GetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1333 }
1334
1335 static HRESULT WINAPI SecondaryBufferImpl_GetPan(
1336         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan)
1337 {
1338         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1339         TRACE("(%p,%p)\n",This,pan);
1340
1341         return IDirectSoundBufferImpl_GetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1342 }
1343
1344 static HRESULT WINAPI SecondaryBufferImpl_GetFrequency(
1345         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq)
1346 {
1347         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1348         TRACE("(%p,%p)\n",This,freq);
1349
1350         return IDirectSoundBufferImpl_GetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1351 }
1352
1353 static HRESULT WINAPI SecondaryBufferImpl_GetStatus(
1354         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status)
1355 {
1356         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1357         TRACE("(%p,%p)\n",This,status);
1358
1359         return IDirectSoundBufferImpl_GetStatus((LPDIRECTSOUNDBUFFER8)This->dsb,status);
1360 }
1361
1362 static HRESULT WINAPI SecondaryBufferImpl_Initialize(
1363         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd)
1364 {
1365         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1366         TRACE("(%p,%p,%p)\n",This,dsound,dbsd);
1367
1368         return IDirectSoundBufferImpl_Initialize((LPDIRECTSOUNDBUFFER8)This->dsb,dsound,dbsd);
1369 }
1370
1371 static HRESULT WINAPI SecondaryBufferImpl_Lock(
1372     LPDIRECTSOUNDBUFFER8 iface,
1373     DWORD writecursor,
1374     DWORD writebytes,
1375     LPVOID *lplpaudioptr1,
1376     LPDWORD audiobytes1,
1377     LPVOID *lplpaudioptr2,
1378     LPDWORD audiobytes2,
1379     DWORD dwFlags)
1380 {
1381     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1382     TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x)\n",
1383         This,writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1384
1385     return IDirectSoundBufferImpl_Lock((LPDIRECTSOUNDBUFFER8)This->dsb,
1386         writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1387 }
1388
1389 static HRESULT WINAPI SecondaryBufferImpl_Play(
1390         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags)
1391 {
1392         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1393         TRACE("(%p,%08x,%08x,%08x)\n",This,reserved1,reserved2,flags);
1394
1395         return IDirectSoundBufferImpl_Play((LPDIRECTSOUNDBUFFER8)This->dsb,reserved1,reserved2,flags);
1396 }
1397
1398 static HRESULT WINAPI SecondaryBufferImpl_SetCurrentPosition(
1399         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos)
1400 {
1401         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1402         TRACE("(%p,%d)\n",This,newpos);
1403
1404         return IDirectSoundBufferImpl_SetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,newpos);
1405 }
1406
1407 static HRESULT WINAPI SecondaryBufferImpl_SetFormat(
1408         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex)
1409 {
1410         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1411         TRACE("(%p,%p)\n",This,wfex);
1412
1413         return IDirectSoundBufferImpl_SetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,wfex);
1414 }
1415
1416 static HRESULT WINAPI SecondaryBufferImpl_SetVolume(
1417         LPDIRECTSOUNDBUFFER8 iface,LONG vol)
1418 {
1419         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1420         TRACE("(%p,%d)\n",This,vol);
1421
1422         return IDirectSoundBufferImpl_SetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1423 }
1424
1425 static HRESULT WINAPI SecondaryBufferImpl_SetPan(
1426         LPDIRECTSOUNDBUFFER8 iface,LONG pan)
1427 {
1428         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1429         TRACE("(%p,%d)\n",This,pan);
1430
1431         return IDirectSoundBufferImpl_SetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1432 }
1433
1434 static HRESULT WINAPI SecondaryBufferImpl_SetFrequency(
1435         LPDIRECTSOUNDBUFFER8 iface,DWORD freq)
1436 {
1437         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1438         TRACE("(%p,%d)\n",This,freq);
1439
1440         return IDirectSoundBufferImpl_SetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1441 }
1442
1443 static HRESULT WINAPI SecondaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
1444 {
1445         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1446         TRACE("(%p)\n",This);
1447
1448         return IDirectSoundBufferImpl_Stop((LPDIRECTSOUNDBUFFER8)This->dsb);
1449 }
1450
1451 static HRESULT WINAPI SecondaryBufferImpl_Unlock(
1452     LPDIRECTSOUNDBUFFER8 iface,
1453     LPVOID lpvAudioPtr1,
1454     DWORD dwAudioBytes1,
1455     LPVOID lpvAudioPtr2,
1456     DWORD dwAudioBytes2)
1457 {
1458     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1459     TRACE("(%p,%p,%d,%p,%d)\n",
1460         This, lpvAudioPtr1, dwAudioBytes1, lpvAudioPtr2, dwAudioBytes2);
1461
1462     return IDirectSoundBufferImpl_Unlock((LPDIRECTSOUNDBUFFER8)This->dsb,
1463         lpvAudioPtr1,dwAudioBytes1,lpvAudioPtr2,dwAudioBytes2);
1464 }
1465
1466 static HRESULT WINAPI SecondaryBufferImpl_Restore(
1467         LPDIRECTSOUNDBUFFER8 iface)
1468 {
1469         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1470         TRACE("(%p)\n",This);
1471
1472         return IDirectSoundBufferImpl_Restore((LPDIRECTSOUNDBUFFER8)This->dsb);
1473 }
1474
1475 static HRESULT WINAPI SecondaryBufferImpl_SetFX(
1476         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes)
1477 {
1478         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1479         TRACE("(%p,%u,%p,%p)\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1480
1481         return IDirectSoundBufferImpl_SetFX((LPDIRECTSOUNDBUFFER8)This->dsb,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1482 }
1483
1484 static HRESULT WINAPI SecondaryBufferImpl_AcquireResources(
1485         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes)
1486 {
1487         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1488         TRACE("(%p,%08u,%u,%p)\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
1489
1490         return IDirectSoundBufferImpl_AcquireResources((LPDIRECTSOUNDBUFFER8)This->dsb,dwFlags,dwEffectsCount,pdwResultCodes);
1491 }
1492
1493 static HRESULT WINAPI SecondaryBufferImpl_GetObjectInPath(
1494         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject)
1495 {
1496         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1497         TRACE("(%p,%s,%u,%s,%p)\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
1498
1499         return IDirectSoundBufferImpl_GetObjectInPath((LPDIRECTSOUNDBUFFER8)This->dsb,rguidObject,dwIndex,rguidInterface,ppObject);
1500 }
1501
1502 static const IDirectSoundBuffer8Vtbl sbvt =
1503 {
1504         SecondaryBufferImpl_QueryInterface,
1505         SecondaryBufferImpl_AddRef,
1506         SecondaryBufferImpl_Release,
1507         SecondaryBufferImpl_GetCaps,
1508         SecondaryBufferImpl_GetCurrentPosition,
1509         SecondaryBufferImpl_GetFormat,
1510         SecondaryBufferImpl_GetVolume,
1511         SecondaryBufferImpl_GetPan,
1512         SecondaryBufferImpl_GetFrequency,
1513         SecondaryBufferImpl_GetStatus,
1514         SecondaryBufferImpl_Initialize,
1515         SecondaryBufferImpl_Lock,
1516         SecondaryBufferImpl_Play,
1517         SecondaryBufferImpl_SetCurrentPosition,
1518         SecondaryBufferImpl_SetFormat,
1519         SecondaryBufferImpl_SetVolume,
1520         SecondaryBufferImpl_SetPan,
1521         SecondaryBufferImpl_SetFrequency,
1522         SecondaryBufferImpl_Stop,
1523         SecondaryBufferImpl_Unlock,
1524         SecondaryBufferImpl_Restore,
1525         SecondaryBufferImpl_SetFX,
1526         SecondaryBufferImpl_AcquireResources,
1527         SecondaryBufferImpl_GetObjectInPath
1528 };
1529
1530 HRESULT SecondaryBufferImpl_Create(
1531         IDirectSoundBufferImpl *dsb,
1532         SecondaryBufferImpl **psb)
1533 {
1534         SecondaryBufferImpl *sb;
1535         TRACE("(%p,%p)\n",dsb,psb);
1536
1537         sb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*sb));
1538
1539         if (sb == 0) {
1540                 WARN("out of memory\n");
1541                 *psb = NULL;
1542                 return DSERR_OUTOFMEMORY;
1543         }
1544         sb->ref = 0;
1545         sb->dsb = dsb;
1546         sb->lpVtbl = &sbvt;
1547
1548         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)dsb);
1549         *psb = sb;
1550         return S_OK;
1551 }
1552
1553 static HRESULT SecondaryBufferImpl_Destroy(
1554     SecondaryBufferImpl *pdsb)
1555 {
1556     TRACE("(%p)\n",pdsb);
1557
1558     while (SecondaryBufferImpl_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1559
1560     return S_OK;
1561 }