reactos/dll/directx/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 WIN32_NO_STATUS
  25 #define _INC_WINDOWS
  26 #define COM_NO_WINDOWS_H
  27
  28 #define NONAMELESSSTRUCT
  29 #define NONAMELESSUNION
  30 #include <windef.h>
  31 #include <winbase.h>
  32 //#include "winuser.h"
  33 #include <mmsystem.h>
  34 #include <winternl.h>
  35 #include <wine/debug.h>
  36 #include <dsound.h>
  37 #include <dsdriver.h>
  38 #include "dsound_private.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  41
  42 static HRESULT SecondaryBufferImpl_Destroy(SecondaryBufferImpl *pdsb);
  43
  44 /*******************************************************************************
  45  *              IDirectSoundNotify
  46  */
  47
  48 struct IDirectSoundNotifyImpl
  49 {
  50     /* IUnknown fields */
  51     const IDirectSoundNotifyVtbl *lpVtbl;
  52     LONG                        ref;
  53     IDirectSoundBufferImpl*     dsb;
  54 };
  55
  56 static HRESULT IDirectSoundNotifyImpl_Create(IDirectSoundBufferImpl *dsb,
  57                                              IDirectSoundNotifyImpl **pdsn);
  58 static HRESULT IDirectSoundNotifyImpl_Destroy(IDirectSoundNotifyImpl *pdsn);
  59
  60 static HRESULT WINAPI IDirectSoundNotifyImpl_QueryInterface(
  61         LPDIRECTSOUNDNOTIFY iface,REFIID riid,LPVOID *ppobj
  62 ) {
  63         IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  64         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
  65
  66         if (This->dsb == NULL) {
  67                 WARN("invalid parameter\n");
  68                 return E_INVALIDARG;
  69         }
  70
  71         return IDirectSoundBuffer_QueryInterface((LPDIRECTSOUNDBUFFER)This->dsb, riid, ppobj);
  72 }
  73
  74 static ULONG WINAPI IDirectSoundNotifyImpl_AddRef(LPDIRECTSOUNDNOTIFY iface)
  75 {
  76     IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  77     ULONG ref = InterlockedIncrement(&(This->ref));
  78     TRACE("(%p) ref was %d\n", This, ref - 1);
  79     return ref;
  80 }
  81
  82 static ULONG WINAPI IDirectSoundNotifyImpl_Release(LPDIRECTSOUNDNOTIFY iface)
  83 {
  84     IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  85     ULONG ref = InterlockedDecrement(&(This->ref));
  86     TRACE("(%p) ref was %d\n", This, ref + 1);
  87
  88     if (!ref) {
  89         IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER)This->dsb);
  90         This->dsb->notify = NULL;
  91         HeapFree(GetProcessHeap(), 0, This);
  92         TRACE("(%p) released\n", This);
  93     }
  94     return ref;
  95 }
  96
  97 static HRESULT WINAPI IDirectSoundNotifyImpl_SetNotificationPositions(
  98         LPDIRECTSOUNDNOTIFY iface,DWORD howmuch,LPCDSBPOSITIONNOTIFY notify
  99 ) {
 100         IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
 101         TRACE("(%p,0x%08x,%p)\n",This,howmuch,notify);
 102
 103         if (howmuch > 0 && notify == NULL) {
 104             WARN("invalid parameter: notify == NULL\n");
 105             return DSERR_INVALIDPARAM;
 106         }
 107
 108         if (TRACE_ON(dsound)) {
 109             unsigned int        i;
 110             for (i=0;i<howmuch;i++)
 111                 TRACE("notify at %d to %p\n",
 112                     notify[i].dwOffset,notify[i].hEventNotify);
 113         }
 114
 115         if (This->dsb->hwnotify) {
 116             HRESULT hres;
 117             hres = IDsDriverNotify_SetNotificationPositions(This->dsb->hwnotify, howmuch, notify);
 118             if (hres != DS_OK)
 119                     WARN("IDsDriverNotify_SetNotificationPositions failed\n");
 120             return hres;
 121         } else if (howmuch > 0) {
 122             /* Make an internal copy of the caller-supplied array.
 123              * Replace the existing copy if one is already present. */
 124             HeapFree(GetProcessHeap(), 0, This->dsb->notifies);
 125             This->dsb->notifies = HeapAlloc(GetProcessHeap(), 0,
 126                         howmuch * sizeof(DSBPOSITIONNOTIFY));
 127
 128             if (This->dsb->notifies == NULL) {
 129                     WARN("out of memory\n");
 130                     return DSERR_OUTOFMEMORY;
 131             }
 132             CopyMemory(This->dsb->notifies, notify, howmuch * sizeof(DSBPOSITIONNOTIFY));
 133             This->dsb->nrofnotifies = howmuch;
 134         } else {
 135            HeapFree(GetProcessHeap(), 0, This->dsb->notifies);
 136            This->dsb->notifies = NULL;
 137            This->dsb->nrofnotifies = 0;
 138         }
 139
 140         return S_OK;
 141 }
 142
 143 static const IDirectSoundNotifyVtbl dsnvt =
 144 {
 145     IDirectSoundNotifyImpl_QueryInterface,
 146     IDirectSoundNotifyImpl_AddRef,
 147     IDirectSoundNotifyImpl_Release,
 148     IDirectSoundNotifyImpl_SetNotificationPositions,
 149 };
 150
 151 static HRESULT IDirectSoundNotifyImpl_Create(
 152     IDirectSoundBufferImpl * dsb,
 153     IDirectSoundNotifyImpl **pdsn)
 154 {
 155     IDirectSoundNotifyImpl * dsn;
 156     TRACE("(%p,%p)\n",dsb,pdsn);
 157
 158     dsn = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*dsn));
 159
 160     if (dsn == NULL) {
 161         WARN("out of memory\n");
 162         return DSERR_OUTOFMEMORY;
 163     }
 164
 165     dsn->ref = 0;
 166     dsn->lpVtbl = &dsnvt;
 167     dsn->dsb = dsb;
 168     dsb->notify = dsn;
 169     IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)dsb);
 170
 171     *pdsn = dsn;
 172     return DS_OK;
 173 }
 174
 175 static HRESULT IDirectSoundNotifyImpl_Destroy(
 176     IDirectSoundNotifyImpl *pdsn)
 177 {
 178     TRACE("(%p)\n",pdsn);
 179
 180     while (IDirectSoundNotifyImpl_Release((LPDIRECTSOUNDNOTIFY)pdsn) > 0);
 181
 182     return DS_OK;
 183 }
 184
 185 /*******************************************************************************
 186  *              IDirectSoundBuffer
 187  */
 188
 189 static HRESULT WINAPI IDirectSoundBufferImpl_SetFormat(
 190         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex
 191 ) {
 192         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 193
 194         TRACE("(%p,%p)\n",This,wfex);
 195         /* This method is not available on secondary buffers */
 196         WARN("invalid call\n");
 197         return DSERR_INVALIDCALL;
 198 }
 199
 200 static HRESULT WINAPI IDirectSoundBufferImpl_SetVolume(
 201         LPDIRECTSOUNDBUFFER8 iface,LONG vol
 202 ) {
 203         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 204         LONG oldVol;
 205         HRESULT hres = DS_OK;
 206
 207         TRACE("(%p,%d)\n",This,vol);
 208
 209         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 210                 WARN("control unavailable: This->dsbd.dwFlags = 0x%08x\n", This->dsbd.dwFlags);
 211                 return DSERR_CONTROLUNAVAIL;
 212         }
 213
 214         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 215                 WARN("invalid parameter: vol = %d\n", vol);
 216                 return DSERR_INVALIDPARAM;
 217         }
 218
 219         /* **** */
 220         RtlAcquireResourceExclusive(&This->lock, TRUE);
 221
 222         if (This->dsbd.dwFlags & DSBCAPS_CTRL3D) {
 223                 oldVol = This->ds3db_lVolume;
 224                 This->ds3db_lVolume = vol;
 225                 if (vol != oldVol)
 226                         /* recalc 3d volume, which in turn recalcs the pans */
 227                         DSOUND_Calc3DBuffer(This);
 228         } else {
 229                 oldVol = This->volpan.lVolume;
 230                 This->volpan.lVolume = vol;
 231                 if (vol != oldVol)
 232                         DSOUND_RecalcVolPan(&(This->volpan));
 233         }
 234
 235         if (vol != oldVol) {
 236                 if (This->hwbuf) {
 237                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
 238                         if (hres != DS_OK)
 239                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
 240                 }
 241         }
 242
 243         RtlReleaseResource(&This->lock);
 244         /* **** */
 245
 246         return hres;
 247 }
 248
 249 static HRESULT WINAPI IDirectSoundBufferImpl_GetVolume(
 250         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol
 251 ) {
 252         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 253         TRACE("(%p,%p)\n",This,vol);
 254
 255         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 256                 WARN("control unavailable\n");
 257                 return DSERR_CONTROLUNAVAIL;
 258         }
 259
 260         if (vol == NULL) {
 261                 WARN("invalid parameter: vol == NULL\n");
 262                 return DSERR_INVALIDPARAM;
 263         }
 264
 265         *vol = This->volpan.lVolume;
 266
 267         return DS_OK;
 268 }
 269
 270 static HRESULT WINAPI IDirectSoundBufferImpl_SetFrequency(
 271         LPDIRECTSOUNDBUFFER8 iface,DWORD freq
 272 ) {
 273         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 274         DWORD oldFreq;
 275
 276         TRACE("(%p,%d)\n",This,freq);
 277
 278         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
 279                 WARN("control unavailable\n");
 280                 return DSERR_CONTROLUNAVAIL;
 281         }
 282
 283         if (freq == DSBFREQUENCY_ORIGINAL)
 284                 freq = This->pwfx->nSamplesPerSec;
 285
 286         if ((freq < DSBFREQUENCY_MIN) || (freq > DSBFREQUENCY_MAX)) {
 287                 WARN("invalid parameter: freq = %d\n", freq);
 288                 return DSERR_INVALIDPARAM;
 289         }
 290
 291         /* **** */
 292         RtlAcquireResourceExclusive(&This->lock, TRUE);
 293
 294         oldFreq = This->freq;
 295         This->freq = freq;
 296         if (freq != oldFreq) {
 297                 This->freqAdjust = ((DWORD64)This->freq << DSOUND_FREQSHIFT) / This->device->pwfx->nSamplesPerSec;
 298                 This->nAvgBytesPerSec = freq * This->pwfx->nBlockAlign;
 299                 DSOUND_RecalcFormat(This);
 300                 DSOUND_MixToTemporary(This, 0, This->buflen, FALSE);
 301         }
 302
 303         RtlReleaseResource(&This->lock);
 304         /* **** */
 305
 306         return DS_OK;
 307 }
 308
 309 static HRESULT WINAPI IDirectSoundBufferImpl_Play(
 310         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags
 311 ) {
 312         HRESULT hres = DS_OK;
 313         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 314         TRACE("(%p,%08x,%08x,%08x)\n",This,reserved1,reserved2,flags);
 315
 316         /* **** */
 317         RtlAcquireResourceExclusive(&This->lock, TRUE);
 318
 319         This->playflags = flags;
 320         if (This->state == STATE_STOPPED && !This->hwbuf) {
 321                 This->leadin = TRUE;
 322                 This->state = STATE_STARTING;
 323         } else if (This->state == STATE_STOPPING)
 324                 This->state = STATE_PLAYING;
 325         if (This->hwbuf) {
 326                 hres = IDsDriverBuffer_Play(This->hwbuf, 0, 0, This->playflags);
 327                 if (hres != DS_OK)
 328                         WARN("IDsDriverBuffer_Play failed\n");
 329                 else
 330                         This->state = STATE_PLAYING;
 331         }
 332
 333         RtlReleaseResource(&This->lock);
 334         /* **** */
 335
 336         return hres;
 337 }
 338
 339 static HRESULT WINAPI IDirectSoundBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
 340 {
 341         HRESULT hres = DS_OK;
 342         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 343         TRACE("(%p)\n",This);
 344
 345         /* **** */
 346         RtlAcquireResourceExclusive(&This->lock, TRUE);
 347
 348         if (This->state == STATE_PLAYING)
 349                 This->state = STATE_STOPPING;
 350         else if (This->state == STATE_STARTING)
 351         {
 352                 This->state = STATE_STOPPED;
 353                 DSOUND_CheckEvent(This, 0, 0);
 354         }
 355         if (This->hwbuf) {
 356                 hres = IDsDriverBuffer_Stop(This->hwbuf);
 357                 if (hres != DS_OK)
 358                         WARN("IDsDriverBuffer_Stop failed\n");
 359                 else
 360                         This->state = STATE_STOPPED;
 361         }
 362
 363         RtlReleaseResource(&This->lock);
 364         /* **** */
 365
 366         return hres;
 367 }
 368
 369 static ULONG WINAPI IDirectSoundBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
 370 {
 371     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 372     ULONG ref = InterlockedIncrement(&(This->ref));
 373     TRACE("(%p) ref was %d\n", This, ref - 1);
 374     return ref;
 375 }
 376
 377 static ULONG WINAPI IDirectSoundBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
 378 {
 379     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 380     ULONG ref = InterlockedDecrement(&(This->ref));
 381     TRACE("(%p) ref was %d\n", This, ref + 1);
 382
 383     if (!ref) {
 384         DirectSoundDevice_RemoveBuffer(This->device, This);
 385         RtlDeleteResource(&This->lock);
 386
 387         if (This->hwbuf)
 388                 IDsDriverBuffer_Release(This->hwbuf);
 389         if (!This->hwbuf || (This->device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY)) {
 390                 This->buffer->ref--;
 391                 list_remove(&This->entry);
 392                 if (This->buffer->ref==0) {
 393                         HeapFree(GetProcessHeap(),0,This->buffer->memory);
 394                         HeapFree(GetProcessHeap(),0,This->buffer);
 395                 }
 396         }
 397
 398         HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
 399         HeapFree(GetProcessHeap(), 0, This->notifies);
 400         HeapFree(GetProcessHeap(), 0, This->pwfx);
 401         HeapFree(GetProcessHeap(), 0, This);
 402
 403         TRACE("(%p) released\n", This);
 404     }
 405     return ref;
 406 }
 407
 408 static HRESULT WINAPI IDirectSoundBufferImpl_GetCurrentPosition(
 409         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos
 410 ) {
 411         HRESULT hres;
 412         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 413         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
 414
 415         RtlAcquireResourceShared(&This->lock, TRUE);
 416         if (This->hwbuf) {
 417                 hres=IDsDriverBuffer_GetPosition(This->hwbuf,playpos,writepos);
 418                 if (hres != DS_OK) {
 419                     WARN("IDsDriverBuffer_GetPosition failed\n");
 420                     return hres;
 421                 }
 422         } else {
 423                 DWORD pos = This->sec_mixpos;
 424
 425                 /* sanity */
 426                 if (pos >= This->buflen){
 427                         FIXME("Bad play position. playpos: %d, buflen: %d\n", pos, This->buflen);
 428                         pos %= This->buflen;
 429                 }
 430
 431                 if (playpos)
 432                         *playpos = pos;
 433                 if (writepos)
 434                         *writepos = pos;
 435         }
 436         if (writepos && This->state != STATE_STOPPED && (!This->hwbuf || !(This->device->drvdesc.dwFlags & DSDDESC_DONTNEEDWRITELEAD))) {
 437                 /* apply the documented 10ms lead to writepos */
 438                 *writepos += This->writelead;
 439                 *writepos %= This->buflen;
 440         }
 441         RtlReleaseResource(&This->lock);
 442
 443         TRACE("playpos = %d, writepos = %d, buflen=%d (%p, time=%d)\n",
 444                 playpos?*playpos:-1, writepos?*writepos:-1, This->buflen, This, GetTickCount());
 445
 446         return DS_OK;
 447 }
 448
 449 static HRESULT WINAPI IDirectSoundBufferImpl_GetStatus(
 450         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status
 451 ) {
 452         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 453         TRACE("(%p,%p), thread is %04x\n",This,status,GetCurrentThreadId());
 454
 455         if (status == NULL) {
 456                 WARN("invalid parameter: status = NULL\n");
 457                 return DSERR_INVALIDPARAM;
 458         }
 459
 460         *status = 0;
 461         RtlAcquireResourceShared(&This->lock, TRUE);
 462         if ((This->state == STATE_STARTING) || (This->state == STATE_PLAYING)) {
 463                 *status |= DSBSTATUS_PLAYING;
 464                 if (This->playflags & DSBPLAY_LOOPING)
 465                         *status |= DSBSTATUS_LOOPING;
 466         }
 467         RtlReleaseResource(&This->lock);
 468
 469         TRACE("status=%x\n", *status);
 470         return DS_OK;
 471 }
 472
 473
 474 static HRESULT WINAPI IDirectSoundBufferImpl_GetFormat(
 475     LPDIRECTSOUNDBUFFER8 iface,
 476     LPWAVEFORMATEX lpwf,
 477     DWORD wfsize,
 478     LPDWORD wfwritten)
 479 {
 480     DWORD size;
 481     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 482     TRACE("(%p,%p,%d,%p)\n",This,lpwf,wfsize,wfwritten);
 483
 484     size = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
 485
 486     if (lpwf) { /* NULL is valid */
 487         if (wfsize >= size) {
 488             CopyMemory(lpwf,This->pwfx,size);
 489             if (wfwritten)
 490                 *wfwritten = size;
 491         } else {
 492             WARN("invalid parameter: wfsize too small\n");
 493             CopyMemory(lpwf,This->pwfx,wfsize);
 494             if (wfwritten)
 495                 *wfwritten = wfsize;
 496             return DSERR_INVALIDPARAM;
 497         }
 498     } else {
 499         if (wfwritten)
 500             *wfwritten = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
 501         else {
 502             WARN("invalid parameter: wfwritten == NULL\n");
 503             return DSERR_INVALIDPARAM;
 504         }
 505     }
 506
 507     return DS_OK;
 508 }
 509
 510 static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
 511         LPDIRECTSOUNDBUFFER8 iface,DWORD writecursor,DWORD writebytes,LPVOID *lplpaudioptr1,LPDWORD audiobytes1,LPVOID *lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 512 ) {
 513         HRESULT hres = DS_OK;
 514         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 515
 516         TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x) at %d\n",
 517                 This,
 518                 writecursor,
 519                 writebytes,
 520                 lplpaudioptr1,
 521                 audiobytes1,
 522                 lplpaudioptr2,
 523                 audiobytes2,
 524                 flags,
 525                 GetTickCount()
 526         );
 527
 528         if (!audiobytes1)
 529             return DSERR_INVALIDPARAM;
 530
 531         /* when this flag is set, writecursor is meaningless and must be calculated */
 532         if (flags & DSBLOCK_FROMWRITECURSOR) {
 533                 /* GetCurrentPosition does too much magic to duplicate here */
 534                 hres = IDirectSoundBufferImpl_GetCurrentPosition(iface, NULL, &writecursor);
 535                 if (hres != DS_OK) {
 536                         WARN("IDirectSoundBufferImpl_GetCurrentPosition failed\n");
 537                         return hres;
 538                 }
 539         }
 540
 541         /* when this flag is set, writebytes is meaningless and must be set */
 542         if (flags & DSBLOCK_ENTIREBUFFER)
 543                 writebytes = This->buflen;
 544
 545         if (writecursor >= This->buflen) {
 546                 WARN("Invalid parameter, writecursor: %u >= buflen: %u\n",
 547                      writecursor, This->buflen);
 548                 return DSERR_INVALIDPARAM;
 549         }
 550
 551         if (writebytes > This->buflen) {
 552                 WARN("Invalid parameter, writebytes: %u > buflen: %u\n",
 553                      writebytes, This->buflen);
 554                 return DSERR_INVALIDPARAM;
 555         }
 556
 557         /* **** */
 558         RtlAcquireResourceShared(&This->lock, TRUE);
 559
 560         if (!(This->device->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 561                 hres = IDsDriverBuffer_Lock(This->hwbuf,
 562                                      lplpaudioptr1, audiobytes1,
 563                                      lplpaudioptr2, audiobytes2,
 564                                      writecursor, writebytes,
 565                                      0);
 566                 if (hres != DS_OK) {
 567                         WARN("IDsDriverBuffer_Lock failed\n");
 568                         RtlReleaseResource(&This->lock);
 569                         return hres;
 570                 }
 571         } else {
 572                 if (writecursor+writebytes <= This->buflen) {
 573                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 574                         if (This->sec_mixpos >= writecursor && This->sec_mixpos < writecursor + writebytes && This->state == STATE_PLAYING)
 575                                 WARN("Overwriting mixing position, case 1\n");
 576                         *audiobytes1 = writebytes;
 577                         if (lplpaudioptr2)
 578                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 579                         if (audiobytes2)
 580                                 *audiobytes2 = 0;
 581                         TRACE("Locked %p(%i bytes) and %p(%i bytes) writecursor=%d\n",
 582                           *(LPBYTE*)lplpaudioptr1, *audiobytes1, lplpaudioptr2 ? *(LPBYTE*)lplpaudioptr2 : NULL, audiobytes2 ? *audiobytes2: 0, writecursor);
 583                         TRACE("->%d.0\n",writebytes);
 584                 } else {
 585                         DWORD remainder = writebytes + writecursor - This->buflen;
 586                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 587                         *audiobytes1 = This->buflen-writecursor;
 588                         if (This->sec_mixpos >= writecursor && This->sec_mixpos < writecursor + writebytes && This->state == STATE_PLAYING)
 589                                 WARN("Overwriting mixing position, case 2\n");
 590                         if (lplpaudioptr2)
 591                                 *(LPBYTE*)lplpaudioptr2 = This->buffer->memory;
 592                         if (audiobytes2)
 593                                 *audiobytes2 = writebytes-(This->buflen-writecursor);
 594                         if (audiobytes2 && This->sec_mixpos < remainder && This->state == STATE_PLAYING)
 595                                 WARN("Overwriting mixing position, case 3\n");
 596                         TRACE("Locked %p(%i bytes) and %p(%i bytes) writecursor=%d\n", *(LPBYTE*)lplpaudioptr1, *audiobytes1, lplpaudioptr2 ? *(LPBYTE*)lplpaudioptr2 : NULL, audiobytes2 ? *audiobytes2: 0, writecursor);
 597                 }
 598         }
 599
 600         RtlReleaseResource(&This->lock);
 601         /* **** */
 602
 603         return DS_OK;
 604 }
 605
 606 static HRESULT WINAPI IDirectSoundBufferImpl_SetCurrentPosition(
 607         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos
 608 ) {
 609         HRESULT hres = DS_OK;
 610         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 611         DWORD oldpos;
 612         TRACE("(%p,%d)\n",This,newpos);
 613
 614         /* **** */
 615         RtlAcquireResourceExclusive(&This->lock, TRUE);
 616
 617         oldpos = This->sec_mixpos;
 618
 619         /* start mixing from this new location instead */
 620         newpos %= This->buflen;
 621         newpos -= newpos%This->pwfx->nBlockAlign;
 622         This->sec_mixpos = newpos;
 623
 624         /* at this point, do not attempt to reset buffers, mess with primary mix position,
 625            or anything like that to reduce latancy. The data already prebuffered cannot be changed */
 626
 627         /* position HW buffer if applicable, else just start mixing from new location instead */
 628         if (This->hwbuf) {
 629                 hres = IDsDriverBuffer_SetPosition(This->hwbuf, This->buf_mixpos);
 630                 if (hres != DS_OK)
 631                         WARN("IDsDriverBuffer_SetPosition failed\n");
 632         }
 633         else if (oldpos != newpos)
 634                 /* FIXME: Perhaps add a call to DSOUND_MixToTemporary here? Not sure it's needed */
 635                 This->buf_mixpos = DSOUND_secpos_to_bufpos(This, newpos, 0, NULL);
 636
 637         RtlReleaseResource(&This->lock);
 638         /* **** */
 639
 640         return hres;
 641 }
 642
 643 static HRESULT WINAPI IDirectSoundBufferImpl_SetPan(
 644         LPDIRECTSOUNDBUFFER8 iface,LONG pan
 645 ) {
 646         HRESULT hres = DS_OK;
 647         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 648
 649         TRACE("(%p,%d)\n",This,pan);
 650
 651         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 652                 WARN("invalid parameter: pan = %d\n", pan);
 653                 return DSERR_INVALIDPARAM;
 654         }
 655
 656         /* You cannot use both pan and 3D controls */
 657         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN) ||
 658             (This->dsbd.dwFlags & DSBCAPS_CTRL3D)) {
 659                 WARN("control unavailable\n");
 660                 return DSERR_CONTROLUNAVAIL;
 661         }
 662
 663         /* **** */
 664         RtlAcquireResourceExclusive(&This->lock, TRUE);
 665
 666         if (This->volpan.lPan != pan) {
 667                 This->volpan.lPan = pan;
 668                 DSOUND_RecalcVolPan(&(This->volpan));
 669
 670                 if (This->hwbuf) {
 671                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
 672                         if (hres != DS_OK)
 673                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
 674                 }
 675         }
 676
 677         RtlReleaseResource(&This->lock);
 678         /* **** */
 679
 680         return hres;
 681 }
 682
 683 static HRESULT WINAPI IDirectSoundBufferImpl_GetPan(
 684         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan
 685 ) {
 686         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 687         TRACE("(%p,%p)\n",This,pan);
 688
 689         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 690                 WARN("control unavailable\n");
 691                 return DSERR_CONTROLUNAVAIL;
 692         }
 693
 694         if (pan == NULL) {
 695                 WARN("invalid parameter: pan = NULL\n");
 696                 return DSERR_INVALIDPARAM;
 697         }
 698
 699         *pan = This->volpan.lPan;
 700
 701         return DS_OK;
 702 }
 703
 704 static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
 705         LPDIRECTSOUNDBUFFER8 iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 706 ) {
 707         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface, *iter;
 708         HRESULT hres = DS_OK;
 709
 710         TRACE("(%p,%p,%d,%p,%d)\n", This,p1,x1,p2,x2);
 711
 712         /* **** */
 713         RtlAcquireResourceShared(&This->lock, TRUE);
 714
 715         if (!(This->device->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 716                 hres = IDsDriverBuffer_Unlock(This->hwbuf, p1, x1, p2, x2);
 717                 if (hres != DS_OK)
 718                         WARN("IDsDriverBuffer_Unlock failed\n");
 719         }
 720
 721         RtlReleaseResource(&This->lock);
 722         /* **** */
 723
 724         if (!p2)
 725                 x2 = 0;
 726
 727         if (!This->hwbuf && (x1 || x2))
 728         {
 729                 RtlAcquireResourceShared(&This->device->buffer_list_lock, TRUE);
 730                 LIST_FOR_EACH_ENTRY(iter, &This->buffer->buffers, IDirectSoundBufferImpl, entry )
 731                 {
 732                         RtlAcquireResourceShared(&iter->lock, TRUE);
 733                         if (x1)
 734                         {
 735                             if(x1 + (DWORD_PTR)p1 - (DWORD_PTR)iter->buffer->memory > iter->buflen)
 736                               hres = DSERR_INVALIDPARAM;
 737                             else
 738                               DSOUND_MixToTemporary(iter, (DWORD_PTR)p1 - (DWORD_PTR)iter->buffer->memory, x1, FALSE);
 739                         }
 740                         if (x2)
 741                                 DSOUND_MixToTemporary(iter, 0, x2, FALSE);
 742                         RtlReleaseResource(&iter->lock);
 743                 }
 744                 RtlReleaseResource(&This->device->buffer_list_lock);
 745         }
 746
 747         return hres;
 748 }
 749
 750 static HRESULT WINAPI IDirectSoundBufferImpl_Restore(
 751         LPDIRECTSOUNDBUFFER8 iface
 752 ) {
 753         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 754         FIXME("(%p):stub\n",This);
 755         return DS_OK;
 756 }
 757
 758 static HRESULT WINAPI IDirectSoundBufferImpl_GetFrequency(
 759         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq
 760 ) {
 761         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 762         TRACE("(%p,%p)\n",This,freq);
 763
 764         if (freq == NULL) {
 765                 WARN("invalid parameter: freq = NULL\n");
 766                 return DSERR_INVALIDPARAM;
 767         }
 768
 769         *freq = This->freq;
 770         TRACE("-> %d\n", *freq);
 771
 772         return DS_OK;
 773 }
 774
 775 static HRESULT WINAPI IDirectSoundBufferImpl_SetFX(
 776         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes
 777 ) {
 778         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 779         DWORD u;
 780
 781         FIXME("(%p,%u,%p,%p): stub\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
 782
 783         if (pdwResultCodes)
 784                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 785
 786         WARN("control unavailable\n");
 787         return DSERR_CONTROLUNAVAIL;
 788 }
 789
 790 static HRESULT WINAPI IDirectSoundBufferImpl_AcquireResources(
 791         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes
 792 ) {
 793         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 794         DWORD u;
 795
 796         FIXME("(%p,%08u,%u,%p): stub\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
 797
 798         if (pdwResultCodes)
 799                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 800
 801         WARN("control unavailable\n");
 802         return DSERR_CONTROLUNAVAIL;
 803 }
 804
 805 static HRESULT WINAPI IDirectSoundBufferImpl_GetObjectInPath(
 806         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject
 807 ) {
 808         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 809
 810         FIXME("(%p,%s,%u,%s,%p): stub\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
 811
 812         WARN("control unavailable\n");
 813         return DSERR_CONTROLUNAVAIL;
 814 }
 815
 816 static HRESULT WINAPI IDirectSoundBufferImpl_Initialize(
 817         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
 818 ) {
 819         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 820         WARN("(%p) already initialized\n", This);
 821         return DSERR_ALREADYINITIALIZED;
 822 }
 823
 824 static HRESULT WINAPI IDirectSoundBufferImpl_GetCaps(
 825         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps
 826 ) {
 827         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 828         TRACE("(%p)->(%p)\n",This,caps);
 829
 830         if (caps == NULL) {
 831                 WARN("invalid parameter: caps == NULL\n");
 832                 return DSERR_INVALIDPARAM;
 833         }
 834
 835         if (caps->dwSize < sizeof(*caps)) {
 836                 WARN("invalid parameter: caps->dwSize = %d\n",caps->dwSize);
 837                 return DSERR_INVALIDPARAM;
 838         }
 839
 840         caps->dwFlags = This->dsbd.dwFlags;
 841         if (This->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
 842         else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
 843
 844         caps->dwBufferBytes = This->buflen;
 845
 846         /* According to windows, this is zero*/
 847         caps->dwUnlockTransferRate = 0;
 848         caps->dwPlayCpuOverhead = 0;
 849
 850         return DS_OK;
 851 }
 852
 853 static HRESULT WINAPI IDirectSoundBufferImpl_QueryInterface(
 854         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj
 855 ) {
 856         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 857
 858         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 859
 860         if (ppobj == NULL) {
 861                 WARN("invalid parameter\n");
 862                 return E_INVALIDARG;
 863         }
 864
 865         *ppobj = NULL;  /* assume failure */
 866
 867         if ( IsEqualGUID(riid, &IID_IUnknown) ||
 868              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ||
 869              IsEqualGUID(riid, &IID_IDirectSoundBuffer8) ) {
 870                 if (!This->secondary)
 871                         SecondaryBufferImpl_Create(This, &(This->secondary));
 872                 if (This->secondary) {
 873                         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)This->secondary);
 874                         *ppobj = This->secondary;
 875                         return S_OK;
 876                 }
 877                 WARN("IID_IDirectSoundBuffer\n");
 878                 return E_NOINTERFACE;
 879         }
 880
 881         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
 882                 if (!This->notify)
 883                         IDirectSoundNotifyImpl_Create(This, &(This->notify));
 884                 if (This->notify) {
 885                         IDirectSoundNotify_AddRef((LPDIRECTSOUNDNOTIFY)This->notify);
 886                         *ppobj = This->notify;
 887                         return S_OK;
 888                 }
 889                 WARN("IID_IDirectSoundNotify\n");
 890                 return E_NOINTERFACE;
 891         }
 892
 893         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
 894                 if (!This->ds3db)
 895                         IDirectSound3DBufferImpl_Create(This, &(This->ds3db));
 896                 if (This->ds3db) {
 897                         IDirectSound3DBuffer_AddRef((LPDIRECTSOUND3DBUFFER)This->ds3db);
 898                         *ppobj = This->ds3db;
 899                         return S_OK;
 900                 }
 901                 WARN("IID_IDirectSound3DBuffer\n");
 902                 return E_NOINTERFACE;
 903         }
 904
 905         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
 906                 ERR("app requested IDirectSound3DListener on secondary buffer\n");
 907                 return E_NOINTERFACE;
 908         }
 909
 910         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
 911                 if (!This->iks)
 912                         IKsBufferPropertySetImpl_Create(This, &(This->iks));
 913                 if (This->iks) {
 914                         IKsPropertySet_AddRef((LPKSPROPERTYSET)This->iks);
 915                         *ppobj = This->iks;
 916                         return S_OK;
 917                 }
 918                 WARN("IID_IKsPropertySet\n");
 919                 return E_NOINTERFACE;
 920         }
 921
 922         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 923
 924         return E_NOINTERFACE;
 925 }
 926
 927 static const IDirectSoundBuffer8Vtbl dsbvt =
 928 {
 929         IDirectSoundBufferImpl_QueryInterface,
 930         IDirectSoundBufferImpl_AddRef,
 931         IDirectSoundBufferImpl_Release,
 932         IDirectSoundBufferImpl_GetCaps,
 933         IDirectSoundBufferImpl_GetCurrentPosition,
 934         IDirectSoundBufferImpl_GetFormat,
 935         IDirectSoundBufferImpl_GetVolume,
 936         IDirectSoundBufferImpl_GetPan,
 937         IDirectSoundBufferImpl_GetFrequency,
 938         IDirectSoundBufferImpl_GetStatus,
 939         IDirectSoundBufferImpl_Initialize,
 940         IDirectSoundBufferImpl_Lock,
 941         IDirectSoundBufferImpl_Play,
 942         IDirectSoundBufferImpl_SetCurrentPosition,
 943         IDirectSoundBufferImpl_SetFormat,
 944         IDirectSoundBufferImpl_SetVolume,
 945         IDirectSoundBufferImpl_SetPan,
 946         IDirectSoundBufferImpl_SetFrequency,
 947         IDirectSoundBufferImpl_Stop,
 948         IDirectSoundBufferImpl_Unlock,
 949         IDirectSoundBufferImpl_Restore,
 950         IDirectSoundBufferImpl_SetFX,
 951         IDirectSoundBufferImpl_AcquireResources,
 952         IDirectSoundBufferImpl_GetObjectInPath
 953 };
 954
 955 HRESULT IDirectSoundBufferImpl_Create(
 956         DirectSoundDevice * device,
 957         IDirectSoundBufferImpl **pdsb,
 958         LPCDSBUFFERDESC dsbd)
 959 {
 960         IDirectSoundBufferImpl *dsb;
 961         LPWAVEFORMATEX wfex = dsbd->lpwfxFormat;
 962         HRESULT err = DS_OK;
 963         DWORD capf = 0;
 964         int use_hw, alloc_size, cp_size;
 965         TRACE("(%p,%p,%p)\n",device,pdsb,dsbd);
 966
 967         if (dsbd->dwBufferBytes < DSBSIZE_MIN || dsbd->dwBufferBytes > DSBSIZE_MAX) {
 968                 WARN("invalid parameter: dsbd->dwBufferBytes = %d\n", dsbd->dwBufferBytes);
 969                 *pdsb = NULL;
 970                 return DSERR_INVALIDPARAM; /* FIXME: which error? */
 971         }
 972
 973         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
 974
 975         if (dsb == 0) {
 976                 WARN("out of memory\n");
 977                 *pdsb = NULL;
 978                 return DSERR_OUTOFMEMORY;
 979         }
 980
 981         TRACE("Created buffer at %p\n", dsb);
 982
 983         dsb->ref = 0;
 984         dsb->secondary = 0;
 985         dsb->device = device;
 986         dsb->lpVtbl = &dsbvt;
 987         dsb->iks = NULL;
 988
 989         /* size depends on version */
 990         CopyMemory(&dsb->dsbd, dsbd, dsbd->dwSize);
 991
 992         /* variable sized struct so calculate size based on format */
 993         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
 994                 alloc_size = sizeof(WAVEFORMATEX);
 995                 cp_size = sizeof(PCMWAVEFORMAT);
 996         } else
 997                 alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
 998
 999         dsb->pwfx = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,alloc_size);
1000         if (dsb->pwfx == NULL) {
1001                 WARN("out of memory\n");
1002                 HeapFree(GetProcessHeap(),0,dsb);
1003                 *pdsb = NULL;
1004                 return DSERR_OUTOFMEMORY;
1005         }
1006
1007         CopyMemory(dsb->pwfx, wfex, cp_size);
1008
1009         if (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign)
1010                 dsb->buflen = dsbd->dwBufferBytes +
1011                         (dsbd->lpwfxFormat->nBlockAlign -
1012                         (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign));
1013         else
1014                 dsb->buflen = dsbd->dwBufferBytes;
1015
1016         dsb->freq = dsbd->lpwfxFormat->nSamplesPerSec;
1017         dsb->notify = NULL;
1018         dsb->notifies = NULL;
1019         dsb->nrofnotifies = 0;
1020         dsb->hwnotify = 0;
1021
1022         /* Check necessary hardware mixing capabilities */
1023         if (wfex->nChannels==2) capf |= DSCAPS_SECONDARYSTEREO;
1024         else capf |= DSCAPS_SECONDARYMONO;
1025         if (wfex->wBitsPerSample==16) capf |= DSCAPS_SECONDARY16BIT;
1026         else capf |= DSCAPS_SECONDARY8BIT;
1027
1028         use_hw = !!(dsbd->dwFlags & DSBCAPS_LOCHARDWARE);
1029         TRACE("use_hw = %d, capf = 0x%08x, device->drvcaps.dwFlags = 0x%08x\n", use_hw, capf, device->drvcaps.dwFlags);
1030         if (use_hw && ((device->drvcaps.dwFlags & capf) != capf || !device->driver))
1031         {
1032                 if (device->driver)
1033                         WARN("Format not supported for hardware buffer\n");
1034                 HeapFree(GetProcessHeap(),0,dsb->pwfx);
1035                 HeapFree(GetProcessHeap(),0,dsb);
1036                 *pdsb = NULL;
1037                 if ((device->drvcaps.dwFlags & capf) != capf)
1038                         return DSERR_BADFORMAT;
1039                 return DSERR_GENERIC;
1040         }
1041
1042         /* FIXME: check hardware sample rate mixing capabilities */
1043         /* FIXME: check app hints for software/hardware buffer (STATIC, LOCHARDWARE, etc) */
1044         /* FIXME: check whether any hardware buffers are left */
1045         /* FIXME: handle DSDHEAP_CREATEHEAP for hardware buffers */
1046
1047         /* Allocate an empty buffer */
1048         dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
1049         if (dsb->buffer == NULL) {
1050                 WARN("out of memory\n");
1051                 HeapFree(GetProcessHeap(),0,dsb->pwfx);
1052                 HeapFree(GetProcessHeap(),0,dsb);
1053                 *pdsb = NULL;
1054                 return DSERR_OUTOFMEMORY;
1055         }
1056
1057         /* Allocate system memory for buffer if applicable */
1058         if ((device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) || !use_hw) {
1059                 dsb->buffer->memory = HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1060                 if (dsb->buffer->memory == NULL) {
1061                         WARN("out of memory\n");
1062                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1063                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1064                         HeapFree(GetProcessHeap(),0,dsb);
1065                         *pdsb = NULL;
1066                         return DSERR_OUTOFMEMORY;
1067                 }
1068         }
1069
1070         /* Allocate the hardware buffer */
1071         if (use_hw) {
1072                 err = IDsDriver_CreateSoundBuffer(device->driver,wfex,dsbd->dwFlags,0,
1073                                                   &(dsb->buflen),&(dsb->buffer->memory),
1074                                                   (LPVOID*)&(dsb->hwbuf));
1075                 if (FAILED(err))
1076                 {
1077                         WARN("Failed to create hardware secondary buffer: %08x\n", err);
1078                         if (device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY)
1079                                 HeapFree(GetProcessHeap(),0,dsb->buffer->memory);
1080                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1081                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1082                         HeapFree(GetProcessHeap(),0,dsb);
1083                         *pdsb = NULL;
1084                         return DSERR_GENERIC;
1085                 }
1086         }
1087
1088         dsb->buffer->ref = 1;
1089         list_init(&dsb->buffer->buffers);
1090         list_add_head(&dsb->buffer->buffers, &dsb->entry);
1091         FillMemory(dsb->buffer->memory, dsb->buflen, dsbd->lpwfxFormat->wBitsPerSample == 8 ? 128 : 0);
1092
1093         /* It's not necessary to initialize values to zero since */
1094         /* we allocated this structure with HEAP_ZERO_MEMORY... */
1095         dsb->buf_mixpos = dsb->sec_mixpos = 0;
1096         dsb->state = STATE_STOPPED;
1097
1098         dsb->freqAdjust = ((DWORD64)dsb->freq << DSOUND_FREQSHIFT) / device->pwfx->nSamplesPerSec;
1099         dsb->nAvgBytesPerSec = dsb->freq *
1100                 dsbd->lpwfxFormat->nBlockAlign;
1101
1102         /* calculate fragment size and write lead */
1103         DSOUND_RecalcFormat(dsb);
1104
1105         if (dsb->dsbd.dwFlags & DSBCAPS_CTRL3D) {
1106                 dsb->ds3db_ds3db.dwSize = sizeof(DS3DBUFFER);
1107                 dsb->ds3db_ds3db.vPosition.x = 0.0;
1108                 dsb->ds3db_ds3db.vPosition.y = 0.0;
1109                 dsb->ds3db_ds3db.vPosition.z = 0.0;
1110                 dsb->ds3db_ds3db.vVelocity.x = 0.0;
1111                 dsb->ds3db_ds3db.vVelocity.y = 0.0;
1112                 dsb->ds3db_ds3db.vVelocity.z = 0.0;
1113                 dsb->ds3db_ds3db.dwInsideConeAngle = DS3D_DEFAULTCONEANGLE;
1114                 dsb->ds3db_ds3db.dwOutsideConeAngle = DS3D_DEFAULTCONEANGLE;
1115                 dsb->ds3db_ds3db.vConeOrientation.x = 0.0;
1116                 dsb->ds3db_ds3db.vConeOrientation.y = 0.0;
1117                 dsb->ds3db_ds3db.vConeOrientation.z = 0.0;
1118                 dsb->ds3db_ds3db.lConeOutsideVolume = DS3D_DEFAULTCONEOUTSIDEVOLUME;
1119                 dsb->ds3db_ds3db.flMinDistance = DS3D_DEFAULTMINDISTANCE;
1120                 dsb->ds3db_ds3db.flMaxDistance = DS3D_DEFAULTMAXDISTANCE;
1121                 dsb->ds3db_ds3db.dwMode = DS3DMODE_NORMAL;
1122
1123                 dsb->ds3db_need_recalc = FALSE;
1124                 DSOUND_Calc3DBuffer(dsb);
1125         } else
1126                 DSOUND_RecalcVolPan(&(dsb->volpan));
1127
1128         RtlInitializeResource(&dsb->lock);
1129
1130         /* register buffer if not primary */
1131         if (!(dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER)) {
1132                 err = DirectSoundDevice_AddBuffer(device, dsb);
1133                 if (err != DS_OK) {
1134                         HeapFree(GetProcessHeap(),0,dsb->buffer->memory);
1135                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1136                         RtlDeleteResource(&dsb->lock);
1137                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1138                         HeapFree(GetProcessHeap(),0,dsb);
1139                         dsb = NULL;
1140                 }
1141         }
1142
1143         *pdsb = dsb;
1144         return err;
1145 }
1146
1147 HRESULT IDirectSoundBufferImpl_Destroy(
1148     IDirectSoundBufferImpl *pdsb)
1149 {
1150     TRACE("(%p)\n",pdsb);
1151
1152     /* This keeps the *_Destroy functions from possibly deleting
1153      * this object until it is ready to be deleted */
1154     IDirectSoundBufferImpl_AddRef((LPDIRECTSOUNDBUFFER8)pdsb);
1155
1156     if (pdsb->iks) {
1157         WARN("iks not NULL\n");
1158         IKsBufferPropertySetImpl_Destroy(pdsb->iks);
1159         pdsb->iks = NULL;
1160     }
1161
1162     if (pdsb->ds3db) {
1163         WARN("ds3db not NULL\n");
1164         IDirectSound3DBufferImpl_Destroy(pdsb->ds3db);
1165         pdsb->ds3db = NULL;
1166     }
1167
1168     if (pdsb->notify) {
1169         WARN("notify not NULL\n");
1170         IDirectSoundNotifyImpl_Destroy(pdsb->notify);
1171         pdsb->notify = NULL;
1172     }
1173
1174     if (pdsb->secondary) {
1175         WARN("dsb not NULL\n");
1176         SecondaryBufferImpl_Destroy(pdsb->secondary);
1177         pdsb->secondary = NULL;
1178     }
1179
1180     while (IDirectSoundBuffer8_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1181
1182     return S_OK;
1183 }
1184
1185 HRESULT IDirectSoundBufferImpl_Duplicate(
1186     DirectSoundDevice *device,
1187     IDirectSoundBufferImpl **ppdsb,
1188     IDirectSoundBufferImpl *pdsb)
1189 {
1190     IDirectSoundBufferImpl *dsb;
1191     HRESULT hres = DS_OK;
1192     int size;
1193     TRACE("(%p,%p,%p)\n", device, pdsb, pdsb);
1194
1195     dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1196
1197     if (dsb == NULL) {
1198         WARN("out of memory\n");
1199         *ppdsb = NULL;
1200         return DSERR_OUTOFMEMORY;
1201     }
1202
1203     CopyMemory(dsb, pdsb, sizeof(IDirectSoundBufferImpl));
1204
1205     if (pdsb->hwbuf) {
1206         TRACE("duplicating hardware buffer\n");
1207
1208         hres = IDsDriver_DuplicateSoundBuffer(device->driver, pdsb->hwbuf,
1209                                               (LPVOID *)&dsb->hwbuf);
1210         if (FAILED(hres)) {
1211             WARN("IDsDriver_DuplicateSoundBuffer failed (%08x)\n", hres);
1212             HeapFree(GetProcessHeap(),0,dsb);
1213             *ppdsb = NULL;
1214             return hres;
1215         }
1216     }
1217
1218     dsb->buffer->ref++;
1219     list_add_head(&dsb->buffer->buffers, &dsb->entry);
1220     dsb->ref = 0;
1221     dsb->state = STATE_STOPPED;
1222     dsb->buf_mixpos = dsb->sec_mixpos = 0;
1223     dsb->device = device;
1224     dsb->ds3db = NULL;
1225     dsb->iks = NULL; /* FIXME? */
1226     dsb->secondary = NULL;
1227     dsb->tmp_buffer = NULL;
1228     DSOUND_RecalcFormat(dsb);
1229     DSOUND_MixToTemporary(dsb, 0, dsb->buflen, FALSE);
1230
1231     /* variable sized struct so calculate size based on format */
1232     size = sizeof(WAVEFORMATEX) + pdsb->pwfx->cbSize;
1233
1234     dsb->pwfx = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,size);
1235     if (dsb->pwfx == NULL) {
1236             WARN("out of memory\n");
1237             HeapFree(GetProcessHeap(),0,dsb->buffer);
1238             HeapFree(GetProcessHeap(),0,dsb);
1239             *ppdsb = NULL;
1240             return DSERR_OUTOFMEMORY;
1241     }
1242
1243     CopyMemory(dsb->pwfx, pdsb->pwfx, size);
1244
1245     RtlInitializeResource(&dsb->lock);
1246
1247     /* register buffer */
1248     hres = DirectSoundDevice_AddBuffer(device, dsb);
1249     if (hres != DS_OK) {
1250         RtlDeleteResource(&dsb->lock);
1251         HeapFree(GetProcessHeap(),0,dsb->tmp_buffer);
1252         HeapFree(GetProcessHeap(),0,dsb->buffer);
1253         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1254         HeapFree(GetProcessHeap(),0,dsb);
1255         *ppdsb = 0;
1256     }
1257
1258     *ppdsb = dsb;
1259     return hres;
1260 }
1261
1262 /*******************************************************************************
1263  *              SecondaryBuffer
1264  */
1265
1266 static HRESULT WINAPI SecondaryBufferImpl_QueryInterface(
1267         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj)
1268 {
1269         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1270         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
1271
1272         return IDirectSoundBufferImpl_QueryInterface((LPDIRECTSOUNDBUFFER8)This->dsb,riid,ppobj);
1273 }
1274
1275 static ULONG WINAPI SecondaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
1276 {
1277     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1278     ULONG ref = InterlockedIncrement(&(This->ref));
1279     TRACE("(%p) ref was %d\n", This, ref - 1);
1280     return ref;
1281 }
1282
1283 static ULONG WINAPI SecondaryBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
1284 {
1285     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1286     ULONG ref;
1287     TRACE("(%p)\n", This);
1288     ref = InterlockedDecrement(&(This->ref));
1289     TRACE("ref was %d\n", ref + 1);
1290
1291     if (!ref) {
1292         This->dsb->secondary = NULL;
1293         IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER8)This->dsb);
1294         HeapFree(GetProcessHeap(), 0, This);
1295         TRACE("(%p) released\n", This);
1296     }
1297     return ref;
1298 }
1299
1300 static HRESULT WINAPI SecondaryBufferImpl_GetCaps(
1301         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps)
1302 {
1303         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1304         TRACE("(%p)->(%p)\n",This,caps);
1305
1306         return IDirectSoundBufferImpl_GetCaps((LPDIRECTSOUNDBUFFER8)This->dsb,caps);
1307 }
1308
1309 static HRESULT WINAPI SecondaryBufferImpl_GetCurrentPosition(
1310         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos)
1311 {
1312         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1313         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
1314
1315         return IDirectSoundBufferImpl_GetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,playpos,writepos);
1316 }
1317
1318 static HRESULT WINAPI SecondaryBufferImpl_GetFormat(
1319         LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX lpwf,DWORD wfsize,LPDWORD wfwritten)
1320 {
1321         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1322         TRACE("(%p,%p,%d,%p)\n",This,lpwf,wfsize,wfwritten);
1323
1324         return IDirectSoundBufferImpl_GetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,lpwf,wfsize,wfwritten);
1325 }
1326
1327 static HRESULT WINAPI SecondaryBufferImpl_GetVolume(
1328         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol)
1329 {
1330         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1331         TRACE("(%p,%p)\n",This,vol);
1332
1333         return IDirectSoundBufferImpl_GetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1334 }
1335
1336 static HRESULT WINAPI SecondaryBufferImpl_GetPan(
1337         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan)
1338 {
1339         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1340         TRACE("(%p,%p)\n",This,pan);
1341
1342         return IDirectSoundBufferImpl_GetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1343 }
1344
1345 static HRESULT WINAPI SecondaryBufferImpl_GetFrequency(
1346         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq)
1347 {
1348         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1349         TRACE("(%p,%p)\n",This,freq);
1350
1351         return IDirectSoundBufferImpl_GetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1352 }
1353
1354 static HRESULT WINAPI SecondaryBufferImpl_GetStatus(
1355         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status)
1356 {
1357         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1358         TRACE("(%p,%p)\n",This,status);
1359
1360         return IDirectSoundBufferImpl_GetStatus((LPDIRECTSOUNDBUFFER8)This->dsb,status);
1361 }
1362
1363 static HRESULT WINAPI SecondaryBufferImpl_Initialize(
1364         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd)
1365 {
1366         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1367         TRACE("(%p,%p,%p)\n",This,dsound,dbsd);
1368
1369         return IDirectSoundBufferImpl_Initialize((LPDIRECTSOUNDBUFFER8)This->dsb,dsound,dbsd);
1370 }
1371
1372 static HRESULT WINAPI SecondaryBufferImpl_Lock(
1373     LPDIRECTSOUNDBUFFER8 iface,
1374     DWORD writecursor,
1375     DWORD writebytes,
1376     LPVOID *lplpaudioptr1,
1377     LPDWORD audiobytes1,
1378     LPVOID *lplpaudioptr2,
1379     LPDWORD audiobytes2,
1380     DWORD dwFlags)
1381 {
1382     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1383     TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x)\n",
1384         This,writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1385
1386     return IDirectSoundBufferImpl_Lock((LPDIRECTSOUNDBUFFER8)This->dsb,
1387         writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1388 }
1389
1390 static HRESULT WINAPI SecondaryBufferImpl_Play(
1391         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags)
1392 {
1393         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1394         TRACE("(%p,%08x,%08x,%08x)\n",This,reserved1,reserved2,flags);
1395
1396         return IDirectSoundBufferImpl_Play((LPDIRECTSOUNDBUFFER8)This->dsb,reserved1,reserved2,flags);
1397 }
1398
1399 static HRESULT WINAPI SecondaryBufferImpl_SetCurrentPosition(
1400         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos)
1401 {
1402         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1403         TRACE("(%p,%d)\n",This,newpos);
1404
1405         return IDirectSoundBufferImpl_SetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,newpos);
1406 }
1407
1408 static HRESULT WINAPI SecondaryBufferImpl_SetFormat(
1409         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex)
1410 {
1411         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1412         TRACE("(%p,%p)\n",This,wfex);
1413
1414         return IDirectSoundBufferImpl_SetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,wfex);
1415 }
1416
1417 static HRESULT WINAPI SecondaryBufferImpl_SetVolume(
1418         LPDIRECTSOUNDBUFFER8 iface,LONG vol)
1419 {
1420         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1421         TRACE("(%p,%d)\n",This,vol);
1422
1423         return IDirectSoundBufferImpl_SetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1424 }
1425
1426 static HRESULT WINAPI SecondaryBufferImpl_SetPan(
1427         LPDIRECTSOUNDBUFFER8 iface,LONG pan)
1428 {
1429         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1430         TRACE("(%p,%d)\n",This,pan);
1431
1432         return IDirectSoundBufferImpl_SetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1433 }
1434
1435 static HRESULT WINAPI SecondaryBufferImpl_SetFrequency(
1436         LPDIRECTSOUNDBUFFER8 iface,DWORD freq)
1437 {
1438         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1439         TRACE("(%p,%d)\n",This,freq);
1440
1441         return IDirectSoundBufferImpl_SetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1442 }
1443
1444 static HRESULT WINAPI SecondaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
1445 {
1446         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1447         TRACE("(%p)\n",This);
1448
1449         return IDirectSoundBufferImpl_Stop((LPDIRECTSOUNDBUFFER8)This->dsb);
1450 }
1451
1452 static HRESULT WINAPI SecondaryBufferImpl_Unlock(
1453     LPDIRECTSOUNDBUFFER8 iface,
1454     LPVOID lpvAudioPtr1,
1455     DWORD dwAudioBytes1,
1456     LPVOID lpvAudioPtr2,
1457     DWORD dwAudioBytes2)
1458 {
1459     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1460     TRACE("(%p,%p,%d,%p,%d)\n",
1461         This, lpvAudioPtr1, dwAudioBytes1, lpvAudioPtr2, dwAudioBytes2);
1462
1463     return IDirectSoundBufferImpl_Unlock((LPDIRECTSOUNDBUFFER8)This->dsb,
1464         lpvAudioPtr1,dwAudioBytes1,lpvAudioPtr2,dwAudioBytes2);
1465 }
1466
1467 static HRESULT WINAPI SecondaryBufferImpl_Restore(
1468         LPDIRECTSOUNDBUFFER8 iface)
1469 {
1470         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1471         TRACE("(%p)\n",This);
1472
1473         return IDirectSoundBufferImpl_Restore((LPDIRECTSOUNDBUFFER8)This->dsb);
1474 }
1475
1476 static HRESULT WINAPI SecondaryBufferImpl_SetFX(
1477         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes)
1478 {
1479         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1480         TRACE("(%p,%u,%p,%p)\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1481
1482         return IDirectSoundBufferImpl_SetFX((LPDIRECTSOUNDBUFFER8)This->dsb,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1483 }
1484
1485 static HRESULT WINAPI SecondaryBufferImpl_AcquireResources(
1486         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes)
1487 {
1488         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1489         TRACE("(%p,%08u,%u,%p)\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
1490
1491         return IDirectSoundBufferImpl_AcquireResources((LPDIRECTSOUNDBUFFER8)This->dsb,dwFlags,dwEffectsCount,pdwResultCodes);
1492 }
1493
1494 static HRESULT WINAPI SecondaryBufferImpl_GetObjectInPath(
1495         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject)
1496 {
1497         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1498         TRACE("(%p,%s,%u,%s,%p)\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
1499
1500         return IDirectSoundBufferImpl_GetObjectInPath((LPDIRECTSOUNDBUFFER8)This->dsb,rguidObject,dwIndex,rguidInterface,ppObject);
1501 }
1502
1503 static const IDirectSoundBuffer8Vtbl sbvt =
1504 {
1505         SecondaryBufferImpl_QueryInterface,
1506         SecondaryBufferImpl_AddRef,
1507         SecondaryBufferImpl_Release,
1508         SecondaryBufferImpl_GetCaps,
1509         SecondaryBufferImpl_GetCurrentPosition,
1510         SecondaryBufferImpl_GetFormat,
1511         SecondaryBufferImpl_GetVolume,
1512         SecondaryBufferImpl_GetPan,
1513         SecondaryBufferImpl_GetFrequency,
1514         SecondaryBufferImpl_GetStatus,
1515         SecondaryBufferImpl_Initialize,
1516         SecondaryBufferImpl_Lock,
1517         SecondaryBufferImpl_Play,
1518         SecondaryBufferImpl_SetCurrentPosition,
1519         SecondaryBufferImpl_SetFormat,
1520         SecondaryBufferImpl_SetVolume,
1521         SecondaryBufferImpl_SetPan,
1522         SecondaryBufferImpl_SetFrequency,
1523         SecondaryBufferImpl_Stop,
1524         SecondaryBufferImpl_Unlock,
1525         SecondaryBufferImpl_Restore,
1526         SecondaryBufferImpl_SetFX,
1527         SecondaryBufferImpl_AcquireResources,
1528         SecondaryBufferImpl_GetObjectInPath
1529 };
1530
1531 HRESULT SecondaryBufferImpl_Create(
1532         IDirectSoundBufferImpl *dsb,
1533         SecondaryBufferImpl **psb)
1534 {
1535         SecondaryBufferImpl *sb;
1536         TRACE("(%p,%p)\n",dsb,psb);
1537
1538         sb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*sb));
1539
1540         if (sb == 0) {
1541                 WARN("out of memory\n");
1542                 *psb = NULL;
1543                 return DSERR_OUTOFMEMORY;
1544         }
1545         sb->ref = 0;
1546         sb->dsb = dsb;
1547         sb->lpVtbl = &sbvt;
1548
1549         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)dsb);
1550         *psb = sb;
1551         return S_OK;
1552 }
1553
1554 static HRESULT SecondaryBufferImpl_Destroy(
1555     SecondaryBufferImpl *pdsb)
1556 {
1557     TRACE("(%p)\n",pdsb);
1558
1559     while (SecondaryBufferImpl_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1560
1561     return S_OK;
1562 }