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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include "config.h"
  23 #include <assert.h>
  24 #include <stdarg.h>
  25 #include <stdio.h>
  26 #include <sys/types.h>
  27 #include <sys/fcntl.h>
  28 #ifdef HAVE_UNISTD_H
  29 # include <unistd.h>
  30 #endif
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <math.h>
  34
  35 #define NONAMELESSSTRUCT
  36 #define NONAMELESSUNION
  37 #include "windef.h"
  38 #include "winbase.h"
  39 #include "wingdi.h"
  40 #include "winuser.h"
  41 #include "winerror.h"
  42 #include "mmsystem.h"
  43 #include "winreg.h"
  44 #include "winternl.h"
  45 #include "mmddk.h"
  46 #include "wine/windef16.h"
  47 #include "wine/debug.h"
  48 #include "dsound.h"
  49 #include "dsdriver.h"
  50 #include "dsound_private.h"
  51
  52 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  53
  54 /*******************************************************************************
  55  *              IDirectSoundNotify
  56  */
  57 static HRESULT WINAPI IDirectSoundNotifyImpl_QueryInterface(
  58         LPDIRECTSOUNDNOTIFY iface,REFIID riid,LPVOID *ppobj
  59 ) {
  60         IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  61         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
  62
  63         if (This->dsb == NULL) {
  64                 WARN("invalid parameter\n");
  65                 return E_INVALIDARG;
  66         }
  67
  68         return IDirectSoundBuffer_QueryInterface((LPDIRECTSOUNDBUFFER)This->dsb, riid, ppobj);
  69 }
  70
  71 static ULONG WINAPI IDirectSoundNotifyImpl_AddRef(LPDIRECTSOUNDNOTIFY iface)
  72 {
  73         IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  74         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
  75         return InterlockedIncrement(&(This->ref));
  76 }
  77
  78 static ULONG WINAPI IDirectSoundNotifyImpl_Release(LPDIRECTSOUNDNOTIFY iface) {
  79         IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  80         ULONG ref;
  81
  82         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
  83
  84         ref = InterlockedDecrement(&(This->ref));
  85         if (ref == 0) {
  86                 IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER)This->dsb);
  87                 This->dsb->notify = NULL;
  88                 HeapFree(GetProcessHeap(),0,This);
  89                 TRACE("(%p) released\n",This);
  90         }
  91         return ref;
  92 }
  93
  94 static HRESULT WINAPI IDirectSoundNotifyImpl_SetNotificationPositions(
  95         LPDIRECTSOUNDNOTIFY iface,DWORD howmuch,LPCDSBPOSITIONNOTIFY notify
  96 ) {
  97         IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  98         TRACE("(%p,0x%08lx,%p)\n",This,howmuch,notify);
  99
 100         if (howmuch > 0 && notify == NULL) {
 101             WARN("invalid parameter: notify == NULL\n");
 102             return DSERR_INVALIDPARAM;
 103         }
 104
 105         if (TRACE_ON(dsound)) {
 106             unsigned int        i;
 107             for (i=0;i<howmuch;i++)
 108                 TRACE("notify at %ld to 0x%08lx\n",
 109                     notify[i].dwOffset,(DWORD)notify[i].hEventNotify);
 110         }
 111
 112         if (This->dsb->hwnotify) {
 113             HRESULT hres;
 114             hres = IDsDriverNotify_SetNotificationPositions(This->dsb->hwnotify, howmuch, notify);
 115             if (hres != DS_OK)
 116                     WARN("IDsDriverNotify_SetNotificationPositions failed\n");
 117             return hres;
 118         } else if (howmuch > 0) {
 119             /* Make an internal copy of the caller-supplied array.
 120              * Replace the existing copy if one is already present. */
 121             if (This->dsb->notifies)
 122                     This->dsb->notifies = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 123                         This->dsb->notifies, howmuch * sizeof(DSBPOSITIONNOTIFY));
 124             else
 125                     This->dsb->notifies = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 126                         howmuch * sizeof(DSBPOSITIONNOTIFY));
 127
 128             if (This->dsb->notifies == NULL) {
 129                     WARN("out of memory\n");
 130                     return DSERR_OUTOFMEMORY;
 131             }
 132             memcpy(This->dsb->notifies, notify, howmuch * sizeof(DSBPOSITIONNOTIFY));
 133             This->dsb->nrofnotifies = howmuch;
 134         } else {
 135            if (This->dsb->notifies) {
 136                HeapFree(GetProcessHeap(), 0, This->dsb->notifies);
 137                This->dsb->notifies = NULL;
 138            }
 139            This->dsb->nrofnotifies = 0;
 140         }
 141
 142         return S_OK;
 143 }
 144
 145 IDirectSoundNotifyVtbl dsnvt =
 146 {
 147     IDirectSoundNotifyImpl_QueryInterface,
 148     IDirectSoundNotifyImpl_AddRef,
 149     IDirectSoundNotifyImpl_Release,
 150     IDirectSoundNotifyImpl_SetNotificationPositions,
 151 };
 152
 153 HRESULT WINAPI IDirectSoundNotifyImpl_Create(
 154     IDirectSoundBufferImpl * dsb,
 155     IDirectSoundNotifyImpl **pdsn)
 156 {
 157     IDirectSoundNotifyImpl * dsn;
 158     TRACE("(%p,%p)\n",dsb,pdsn);
 159
 160     dsn = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(dsn));
 161
 162     if (dsn == NULL) {
 163         WARN("out of memory\n");
 164         return DSERR_OUTOFMEMORY;
 165     }
 166
 167     dsn->ref = 0;
 168     dsn->lpVtbl = &dsnvt;
 169     dsn->dsb = dsb;
 170     dsb->notify = dsn;
 171     IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)dsb);
 172
 173     *pdsn = dsn;
 174     return DS_OK;
 175 }
 176
 177 HRESULT WINAPI IDirectSoundNotifyImpl_Destroy(
 178     IDirectSoundNotifyImpl *pdsn)
 179 {
 180     TRACE("(%p)\n",pdsn);
 181
 182     while (IDirectSoundNotifyImpl_Release((LPDIRECTSOUNDNOTIFY)pdsn) > 0);
 183
 184     return DS_OK;
 185 }
 186
 187 /*******************************************************************************
 188  *              IDirectSoundBuffer
 189  */
 190
 191 static HRESULT WINAPI IDirectSoundBufferImpl_SetFormat(
 192         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex
 193 ) {
 194         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 195
 196         TRACE("(%p,%p)\n",This,wfex);
 197         /* This method is not available on secondary buffers */
 198         WARN("invalid call\n");
 199         return DSERR_INVALIDCALL;
 200 }
 201
 202 static HRESULT WINAPI IDirectSoundBufferImpl_SetVolume(
 203         LPDIRECTSOUNDBUFFER8 iface,LONG vol
 204 ) {
 205         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 206         LONG oldVol;
 207         HRESULT hres = DS_OK;
 208
 209         TRACE("(%p,%ld)\n",This,vol);
 210
 211         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 212                 WARN("control unavailable: This->dsbd.dwFlags = 0x%08lx\n", This->dsbd.dwFlags);
 213                 return DSERR_CONTROLUNAVAIL;
 214         }
 215
 216         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 217                 WARN("invalid parameter: vol = %ld\n", vol);
 218                 return DSERR_INVALIDPARAM;
 219         }
 220
 221         /* **** */
 222         EnterCriticalSection(&(This->lock));
 223
 224         if (This->dsbd.dwFlags & DSBCAPS_CTRL3D) {
 225                 oldVol = This->ds3db_lVolume;
 226                 This->ds3db_lVolume = vol;
 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                 } else
 240                         DSOUND_ForceRemix(This);
 241         }
 242
 243         LeaveCriticalSection(&(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,%ld)\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 = %ld\n", freq);
 288                 return DSERR_INVALIDPARAM;
 289         }
 290
 291         /* **** */
 292         EnterCriticalSection(&(This->lock));
 293
 294         oldFreq = This->freq;
 295         This->freq = freq;
 296         if (freq != oldFreq) {
 297                 This->freqAdjust = (freq << DSOUND_FREQSHIFT) / This->dsound->pwfx->nSamplesPerSec;
 298                 This->nAvgBytesPerSec = freq * This->pwfx->nBlockAlign;
 299                 DSOUND_RecalcFormat(This);
 300                 if (!This->hwbuf)
 301                         DSOUND_ForceRemix(This);
 302         }
 303
 304         LeaveCriticalSection(&(This->lock));
 305         /* **** */
 306
 307         return DS_OK;
 308 }
 309
 310 static HRESULT WINAPI IDirectSoundBufferImpl_Play(
 311         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags
 312 ) {
 313         HRESULT hres = DS_OK;
 314         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 315         TRACE("(%p,%08lx,%08lx,%08lx)\n",This,reserved1,reserved2,flags);
 316
 317         /* **** */
 318         EnterCriticalSection(&(This->lock));
 319
 320         This->playflags = flags;
 321         if (This->state == STATE_STOPPED) {
 322                 This->leadin = TRUE;
 323                 This->startpos = This->buf_mixpos;
 324                 This->state = STATE_STARTING;
 325         } else if (This->state == STATE_STOPPING)
 326                 This->state = STATE_PLAYING;
 327         if (This->hwbuf) {
 328                 hres = IDsDriverBuffer_Play(This->hwbuf, 0, 0, This->playflags);
 329                 if (hres != DS_OK)
 330                         WARN("IDsDriverBuffer_Play failed\n");
 331                 else
 332                         This->state = STATE_PLAYING;
 333         }
 334
 335         LeaveCriticalSection(&(This->lock));
 336         /* **** */
 337
 338         return hres;
 339 }
 340
 341 static HRESULT WINAPI IDirectSoundBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
 342 {
 343         HRESULT hres = DS_OK;
 344         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 345         TRACE("(%p)\n",This);
 346
 347         /* **** */
 348         EnterCriticalSection(&(This->lock));
 349
 350         if (This->state == STATE_PLAYING)
 351                 This->state = STATE_STOPPING;
 352         else if (This->state == STATE_STARTING)
 353                 This->state = STATE_STOPPED;
 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         DSOUND_CheckEvent(This, 0);
 362
 363         LeaveCriticalSection(&(This->lock));
 364         /* **** */
 365
 366         return hres;
 367 }
 368
 369 static ULONG WINAPI IDirectSoundBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
 370 {
 371         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 372         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
 373         return InterlockedIncrement(&(This->ref));
 374 }
 375
 376 static ULONG WINAPI IDirectSoundBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
 377 {
 378         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 379         ULONG ref;
 380
 381         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
 382
 383         ref = InterlockedDecrement(&(This->ref));
 384         if (ref)
 385                 return ref;
 386
 387         DSOUND_RemoveBuffer(This->dsound, This);
 388
 389         This->lock.DebugInfo->Spare[1] = 0;
 390         DeleteCriticalSection(&(This->lock));
 391
 392         if (This->hwbuf) {
 393                 IDsDriverBuffer_Release(This->hwbuf);
 394                 if (This->dsound->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
 395                         This->buffer->ref--;
 396                         if (This->buffer->ref==0) {
 397                                 HeapFree(GetProcessHeap(),0,This->buffer->memory);
 398                                 HeapFree(GetProcessHeap(),0,This->buffer);
 399                         }
 400                 }
 401         } else {
 402                 This->buffer->ref--;
 403                 if (This->buffer->ref==0) {
 404                         HeapFree(GetProcessHeap(),0,This->buffer->memory);
 405                         HeapFree(GetProcessHeap(),0,This->buffer);
 406                 }
 407         }
 408
 409         if (This->notifies != NULL)
 410                 HeapFree(GetProcessHeap(), 0, This->notifies);
 411
 412         if (This->pwfx)
 413                 HeapFree(GetProcessHeap(), 0, This->pwfx);
 414
 415         HeapFree(GetProcessHeap(),0,This);
 416
 417         TRACE("(%p) released\n",This);
 418         return 0;
 419 }
 420
 421 DWORD DSOUND_CalcPlayPosition(IDirectSoundBufferImpl *This,
 422                               DWORD state, DWORD pplay, DWORD pwrite, DWORD pmix, DWORD bmix)
 423 {
 424         DWORD bplay;
 425
 426         TRACE("primary playpos=%ld, mixpos=%ld\n", pplay, pmix);
 427         TRACE("this mixpos=%ld, time=%ld\n", bmix, GetTickCount());
 428
 429         /* the actual primary play position (pplay) is always behind last mixed (pmix),
 430          * unless the computer is too slow or something */
 431         /* we need to know how far away we are from there */
 432 #if 0 /* we'll never fill the primary entirely */
 433         if (pmix == pplay) {
 434                 if ((state == STATE_PLAYING) || (state == STATE_STOPPING)) {
 435                         /* wow, the software mixer is really doing well,
 436                          * seems the entire primary buffer is filled! */
 437                         pmix += This->dsound->buflen;
 438                 }
 439                 /* else: the primary buffer is not playing, so probably empty */
 440         }
 441 #endif
 442         if (pmix < pplay) pmix += This->dsound->buflen; /* wraparound */
 443         pmix -= pplay;
 444         /* detect buffer underrun */
 445         if (pwrite < pplay) pwrite += This->dsound->buflen; /* wraparound */
 446         pwrite -= pplay;
 447         if (pmix > (ds_snd_queue_max * This->dsound->fraglen + pwrite + This->dsound->writelead)) {
 448                 WARN("detected an underrun: primary queue was %ld\n",pmix);
 449                 pmix = 0;
 450         }
 451         /* divide the offset by its sample size */
 452         pmix /= This->dsound->pwfx->nBlockAlign;
 453         TRACE("primary back-samples=%ld\n",pmix);
 454         /* adjust for our frequency */
 455         pmix = (pmix * This->freqAdjust) >> DSOUND_FREQSHIFT;
 456         /* multiply by our own sample size */
 457         pmix *= This->pwfx->nBlockAlign;
 458         TRACE("this back-offset=%ld\n", pmix);
 459         /* subtract from our last mixed position */
 460         bplay = bmix;
 461         while (bplay < pmix) bplay += This->buflen; /* wraparound */
 462         bplay -= pmix;
 463         if (This->leadin && ((bplay < This->startpos) || (bplay > bmix))) {
 464                 /* seems we haven't started playing yet */
 465                 TRACE("this still in lead-in phase\n");
 466                 bplay = This->startpos;
 467         }
 468         /* return the result */
 469         return bplay;
 470 }
 471
 472 static HRESULT WINAPI IDirectSoundBufferImpl_GetCurrentPosition(
 473         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos
 474 ) {
 475         HRESULT hres;
 476         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 477         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
 478         if (This->hwbuf) {
 479                 hres=IDsDriverBuffer_GetPosition(This->hwbuf,playpos,writepos);
 480                 if (hres != DS_OK) {
 481                     WARN("IDsDriverBuffer_GetPosition failed\n");
 482                     return hres;
 483                 }
 484         } else {
 485                 if (playpos && (This->state != STATE_PLAYING)) {
 486                         /* we haven't been merged into the primary buffer (yet) */
 487                         *playpos = This->buf_mixpos;
 488                 } else if (playpos) {
 489                         DWORD pplay, pwrite, lplay, splay, pstate;
 490                         /* let's get this exact; first, recursively call GetPosition on the primary */
 491                         EnterCriticalSection(&(This->dsound->mixlock));
 492                         if (DSOUND_PrimaryGetPosition(This->dsound, &pplay, &pwrite) != DS_OK)
 493                                 WARN("DSOUND_PrimaryGetPosition failed\n");
 494                         /* detect HEL mode underrun */
 495                         pstate = This->dsound->state;
 496                         if (!(This->dsound->hwbuf || This->dsound->pwqueue)) {
 497                                 TRACE("detected an underrun\n");
 498                                 /* pplay = ? */
 499                                 if (pstate == STATE_PLAYING)
 500                                         pstate = STATE_STARTING;
 501                                 else if (pstate == STATE_STOPPING)
 502                                         pstate = STATE_STOPPED;
 503                         }
 504                         /* get data for ourselves while we still have the lock */
 505                         pstate &= This->state;
 506                         lplay = This->primary_mixpos;
 507                         splay = This->buf_mixpos;
 508                         if ((This->dsbd.dwFlags & DSBCAPS_GETCURRENTPOSITION2) || This->dsound->hwbuf) {
 509                                 /* calculate play position using this */
 510                                 *playpos = DSOUND_CalcPlayPosition(This, pstate, pplay, pwrite, lplay, splay);
 511                         } else {
 512                                 /* (unless the app isn't using GETCURRENTPOSITION2) */
 513                                 /* don't know exactly how this should be handled...
 514                                  * the docs says that play cursor is reported as directly
 515                                  * behind write cursor, hmm... */
 516                                 /* let's just do what might work for Half-Life */
 517                                 DWORD wp;
 518                                 wp = (This->dsound->pwplay + ds_hel_margin) * This->dsound->fraglen;
 519                                 wp %= This->dsound->buflen;
 520                                 *playpos = DSOUND_CalcPlayPosition(This, pstate, wp, pwrite, lplay, splay);
 521                         }
 522                         LeaveCriticalSection(&(This->dsound->mixlock));
 523                 }
 524                 if (writepos)
 525                     *writepos = This->buf_mixpos;
 526         }
 527         if (writepos) {
 528                 if (This->state != STATE_STOPPED) {
 529                         /* apply the documented 10ms lead to writepos */
 530                         *writepos += This->writelead;
 531                 }
 532                 *writepos %= This->buflen;
 533         }
 534         if (playpos)
 535             This->last_playpos = *playpos;
 536         TRACE("playpos = %ld, writepos = %ld (%p, time=%ld)\n", playpos?*playpos:0, writepos?*writepos:0, This, GetTickCount());
 537         return DS_OK;
 538 }
 539
 540 static HRESULT WINAPI IDirectSoundBufferImpl_GetStatus(
 541         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status
 542 ) {
 543         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 544         TRACE("(%p,%p), thread is %04lx\n",This,status,GetCurrentThreadId());
 545
 546         if (status == NULL) {
 547                 WARN("invalid parameter: status = NULL\n");
 548                 return DSERR_INVALIDPARAM;
 549         }
 550
 551         *status = 0;
 552         if ((This->state == STATE_STARTING) || (This->state == STATE_PLAYING)) {
 553                 *status |= DSBSTATUS_PLAYING;
 554                 if (This->playflags & DSBPLAY_LOOPING)
 555                         *status |= DSBSTATUS_LOOPING;
 556         }
 557
 558         TRACE("status=%lx\n", *status);
 559         return DS_OK;
 560 }
 561
 562
 563 static HRESULT WINAPI IDirectSoundBufferImpl_GetFormat(
 564     LPDIRECTSOUNDBUFFER8 iface,
 565     LPWAVEFORMATEX lpwf,
 566     DWORD wfsize,
 567     LPDWORD wfwritten)
 568 {
 569     DWORD size;
 570     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 571     TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
 572
 573     size = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
 574
 575     if (lpwf) { /* NULL is valid */
 576         if (wfsize >= size) {
 577             memcpy(lpwf,This->pwfx,size);
 578             if (wfwritten)
 579                 *wfwritten = size;
 580         } else {
 581             WARN("invalid parameter: wfsize to small\n");
 582             if (wfwritten)
 583                 *wfwritten = 0;
 584             return DSERR_INVALIDPARAM;
 585         }
 586     } else {
 587         if (wfwritten)
 588             *wfwritten = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
 589         else {
 590             WARN("invalid parameter: wfwritten == NULL\n");
 591             return DSERR_INVALIDPARAM;
 592         }
 593     }
 594
 595     return DS_OK;
 596 }
 597
 598 static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
 599         LPDIRECTSOUNDBUFFER8 iface,DWORD writecursor,DWORD writebytes,LPVOID lplpaudioptr1,LPDWORD audiobytes1,LPVOID lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 600 ) {
 601         HRESULT hres = DS_OK;
 602         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 603
 604         TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx) at %ld\n",
 605                 This,
 606                 writecursor,
 607                 writebytes,
 608                 lplpaudioptr1,
 609                 audiobytes1,
 610                 lplpaudioptr2,
 611                 audiobytes2,
 612                 flags,
 613                 GetTickCount()
 614         );
 615
 616         if (flags & DSBLOCK_FROMWRITECURSOR) {
 617                 DWORD writepos;
 618                 /* GetCurrentPosition does too much magic to duplicate here */
 619                 hres = IDirectSoundBufferImpl_GetCurrentPosition(iface, NULL, &writepos);
 620                 if (hres != DS_OK) {
 621                         WARN("IDirectSoundBufferImpl_GetCurrentPosition failed\n");
 622                         return hres;
 623                 }
 624                 writecursor += writepos;
 625         }
 626         writecursor %= This->buflen;
 627         if (flags & DSBLOCK_ENTIREBUFFER)
 628                 writebytes = This->buflen;
 629         if (writebytes > This->buflen)
 630                 writebytes = This->buflen;
 631
 632         EnterCriticalSection(&(This->lock));
 633
 634         if ((writebytes == This->buflen) &&
 635             ((This->state == STATE_STARTING) ||
 636              (This->state == STATE_PLAYING)))
 637                 /* some games, like Half-Life, try to be clever (not) and
 638                  * keep one secondary buffer, and mix sounds into it itself,
 639                  * locking the entire buffer every time... so we can just forget
 640                  * about tracking the last-written-to-position... */
 641                 This->probably_valid_to = (DWORD)-1;
 642         else
 643                 This->probably_valid_to = writecursor;
 644
 645         if (!(This->dsound->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 646                 hres = IDsDriverBuffer_Lock(This->hwbuf,
 647                                      lplpaudioptr1, audiobytes1,
 648                                      lplpaudioptr2, audiobytes2,
 649                                      writecursor, writebytes,
 650                                      0);
 651                 if (hres != DS_OK) {
 652                         WARN("IDsDriverBuffer_Lock failed\n");
 653                         LeaveCriticalSection(&(This->lock));
 654                         return hres;
 655                 }
 656         } else {
 657                 BOOL remix = FALSE;
 658                 if (writecursor+writebytes <= This->buflen) {
 659                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 660                         *audiobytes1 = writebytes;
 661                         if (lplpaudioptr2)
 662                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 663                         if (audiobytes2)
 664                                 *audiobytes2 = 0;
 665                         TRACE("->%ld.0\n",writebytes);
 666                 } else {
 667                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 668                         *audiobytes1 = This->buflen-writecursor;
 669                         if (lplpaudioptr2)
 670                                 *(LPBYTE*)lplpaudioptr2 = This->buffer->memory;
 671                         if (audiobytes2)
 672                                 *audiobytes2 = writebytes-(This->buflen-writecursor);
 673                         TRACE("->%ld.%ld\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 674                 }
 675                 if (This->state == STATE_PLAYING) {
 676                         /* if the segment between playpos and buf_mixpos is touched,
 677                          * we need to cancel some mixing */
 678                         /* we'll assume that the app always calls GetCurrentPosition before
 679                          * locking a playing buffer, so that last_playpos is up-to-date */
 680                         if (This->buf_mixpos >= This->last_playpos) {
 681                                 if (This->buf_mixpos > writecursor &&
 682                                     This->last_playpos < writecursor+writebytes)
 683                                         remix = TRUE;
 684                         } else {
 685                                 if (This->buf_mixpos > writecursor ||
 686                                     This->last_playpos < writecursor+writebytes)
 687                                         remix = TRUE;
 688                         }
 689                         if (remix) {
 690                                 TRACE("locking prebuffered region, ouch\n");
 691                                 DSOUND_MixCancelAt(This, writecursor);
 692                         }
 693                 }
 694         }
 695
 696         LeaveCriticalSection(&(This->lock));
 697         return DS_OK;
 698 }
 699
 700 static HRESULT WINAPI IDirectSoundBufferImpl_SetCurrentPosition(
 701         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos
 702 ) {
 703         HRESULT hres = DS_OK;
 704         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 705         TRACE("(%p,%ld)\n",This,newpos);
 706
 707         /* **** */
 708         EnterCriticalSection(&(This->lock));
 709
 710         newpos %= This->buflen;
 711         This->buf_mixpos = newpos;
 712         if (This->hwbuf) {
 713                 hres = IDsDriverBuffer_SetPosition(This->hwbuf, This->buf_mixpos);
 714                 if (hres != DS_OK)
 715                         WARN("IDsDriverBuffer_SetPosition failed\n");
 716         }
 717
 718         LeaveCriticalSection(&(This->lock));
 719         /* **** */
 720
 721         return hres;
 722 }
 723
 724 static HRESULT WINAPI IDirectSoundBufferImpl_SetPan(
 725         LPDIRECTSOUNDBUFFER8 iface,LONG pan
 726 ) {
 727         HRESULT hres = DS_OK;
 728         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 729
 730         TRACE("(%p,%ld)\n",This,pan);
 731
 732         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 733                 WARN("invalid parameter: pan = %ld\n", pan);
 734                 return DSERR_INVALIDPARAM;
 735         }
 736
 737         /* You cannot use both pan and 3D controls */
 738         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN) ||
 739             (This->dsbd.dwFlags & DSBCAPS_CTRL3D)) {
 740                 WARN("control unavailable\n");
 741                 return DSERR_CONTROLUNAVAIL;
 742         }
 743
 744         /* **** */
 745         EnterCriticalSection(&(This->lock));
 746
 747         if (This->volpan.lPan != pan) {
 748                 This->volpan.lPan = pan;
 749                 DSOUND_RecalcVolPan(&(This->volpan));
 750
 751                 if (This->hwbuf) {
 752                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
 753                         if (hres != DS_OK)
 754                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
 755                 } else
 756                         DSOUND_ForceRemix(This);
 757         }
 758
 759         LeaveCriticalSection(&(This->lock));
 760         /* **** */
 761
 762         return hres;
 763 }
 764
 765 static HRESULT WINAPI IDirectSoundBufferImpl_GetPan(
 766         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan
 767 ) {
 768         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 769         TRACE("(%p,%p)\n",This,pan);
 770
 771         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 772                 WARN("control unavailable\n");
 773                 return DSERR_CONTROLUNAVAIL;
 774         }
 775
 776         if (pan == NULL) {
 777                 WARN("invalid parameter: pan = NULL\n");
 778                 return DSERR_INVALIDPARAM;
 779         }
 780
 781         *pan = This->volpan.lPan;
 782
 783         return DS_OK;
 784 }
 785
 786 static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
 787         LPDIRECTSOUNDBUFFER8 iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 788 ) {
 789         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 790         DWORD probably_valid_to;
 791         HRESULT hres = DS_OK;
 792
 793         TRACE("(%p,%p,%ld,%p,%ld)\n", This,p1,x1,p2,x2);
 794
 795         /* **** */
 796         EnterCriticalSection(&(This->lock));
 797
 798         if (!(This->dsound->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 799                 hres = IDsDriverBuffer_Unlock(This->hwbuf, p1, x1, p2, x2);
 800                 if (hres != DS_OK)
 801                         WARN("IDsDriverBuffer_Unlock failed\n");
 802         }
 803
 804         if (hres == DS_OK) {
 805                 if (p2) probably_valid_to = (((LPBYTE)p2)-This->buffer->memory) + x2;
 806                 else probably_valid_to = (((LPBYTE)p1)-This->buffer->memory) + x1;
 807                 probably_valid_to %= This->buflen;
 808                 if ((probably_valid_to == 0) && ((x1+x2) == This->buflen) &&
 809                     ((This->state == STATE_STARTING) ||
 810                      (This->state == STATE_PLAYING)))
 811                         /* see IDirectSoundBufferImpl_Lock */
 812                         probably_valid_to = (DWORD)-1;
 813                 This->probably_valid_to = probably_valid_to;
 814         }
 815
 816         LeaveCriticalSection(&(This->lock));
 817         /* **** */
 818
 819         TRACE("probably_valid_to=%ld\n", This->probably_valid_to);
 820         return hres;
 821 }
 822
 823 static HRESULT WINAPI IDirectSoundBufferImpl_Restore(
 824         LPDIRECTSOUNDBUFFER8 iface
 825 ) {
 826         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 827         FIXME("(%p):stub\n",This);
 828         return DS_OK;
 829 }
 830
 831 static HRESULT WINAPI IDirectSoundBufferImpl_GetFrequency(
 832         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq
 833 ) {
 834         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 835         TRACE("(%p,%p)\n",This,freq);
 836
 837         if (freq == NULL) {
 838                 WARN("invalid parameter: freq = NULL\n");
 839                 return DSERR_INVALIDPARAM;
 840         }
 841
 842         *freq = This->freq;
 843         TRACE("-> %ld\n", *freq);
 844
 845         return DS_OK;
 846 }
 847
 848 static HRESULT WINAPI IDirectSoundBufferImpl_SetFX(
 849         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes
 850 ) {
 851         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 852         DWORD u;
 853
 854         FIXME("(%p,%lu,%p,%p): stub\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
 855
 856         if (pdwResultCodes)
 857                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 858
 859         WARN("control unavailable\n");
 860         return DSERR_CONTROLUNAVAIL;
 861 }
 862
 863 static HRESULT WINAPI IDirectSoundBufferImpl_AcquireResources(
 864         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes
 865 ) {
 866         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 867         DWORD u;
 868
 869         FIXME("(%p,%08lu,%lu,%p): stub\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
 870
 871         if (pdwResultCodes)
 872                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 873
 874         WARN("control unavailable\n");
 875         return DSERR_CONTROLUNAVAIL;
 876 }
 877
 878 static HRESULT WINAPI IDirectSoundBufferImpl_GetObjectInPath(
 879         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject
 880 ) {
 881         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 882
 883         FIXME("(%p,%s,%lu,%s,%p): stub\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
 884
 885         WARN("control unavailable\n");
 886         return DSERR_CONTROLUNAVAIL;
 887 }
 888
 889 static HRESULT WINAPI IDirectSoundBufferImpl_Initialize(
 890         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
 891 ) {
 892         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 893         FIXME("(%p,%p,%p):stub\n",This,dsound,dbsd);
 894         DPRINTF("Re-Init!!!\n");
 895         WARN("already initialized\n");
 896         return DSERR_ALREADYINITIALIZED;
 897 }
 898
 899 static HRESULT WINAPI IDirectSoundBufferImpl_GetCaps(
 900         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps
 901 ) {
 902         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 903         TRACE("(%p)->(%p)\n",This,caps);
 904
 905         if (caps == NULL) {
 906                 WARN("invalid parameter: caps == NULL\n");
 907                 return DSERR_INVALIDPARAM;
 908         }
 909
 910         if (caps->dwSize < sizeof(*caps)) {
 911                 WARN("invalid parameter: caps->dwSize = %ld < %d\n",caps->dwSize, sizeof(*caps));
 912                 return DSERR_INVALIDPARAM;
 913         }
 914
 915         caps->dwFlags = This->dsbd.dwFlags;
 916         if (This->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
 917         else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
 918
 919         caps->dwBufferBytes = This->buflen;
 920
 921         /* This value represents the speed of the "unlock" command.
 922            As unlock is quite fast (it does not do anything), I put
 923            4096 ko/s = 4 Mo / s */
 924         /* FIXME: hwbuf speed */
 925         caps->dwUnlockTransferRate = 4096;
 926         caps->dwPlayCpuOverhead = 0;
 927
 928         return DS_OK;
 929 }
 930
 931 static HRESULT WINAPI IDirectSoundBufferImpl_QueryInterface(
 932         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj
 933 ) {
 934         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 935
 936         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 937
 938         if (ppobj == NULL) {
 939                 WARN("invalid parameter\n");
 940                 return E_INVALIDARG;
 941         }
 942
 943         *ppobj = NULL;  /* assume failure */
 944
 945         if ( IsEqualGUID(riid, &IID_IUnknown) ||
 946              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ||
 947              IsEqualGUID(riid, &IID_IDirectSoundBuffer8) ) {
 948                 if (!This->dsb)
 949                         SecondaryBufferImpl_Create(This, &(This->dsb));
 950                 if (This->dsb) {
 951                         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)This->dsb);
 952                         *ppobj = This->dsb;
 953                         return S_OK;
 954                 }
 955                 WARN("IID_IDirectSoundBuffer\n");
 956                 return E_NOINTERFACE;
 957         }
 958
 959         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
 960                 if (!This->notify)
 961                         IDirectSoundNotifyImpl_Create(This, &(This->notify));
 962                 if (This->notify) {
 963                         IDirectSoundNotify_AddRef((LPDIRECTSOUNDNOTIFY)This->notify);
 964                         *ppobj = This->notify;
 965                         return S_OK;
 966                 }
 967                 WARN("IID_IDirectSoundNotify\n");
 968                 return E_NOINTERFACE;
 969         }
 970
 971         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
 972                 if (!This->ds3db)
 973                         IDirectSound3DBufferImpl_Create(This, &(This->ds3db));
 974                 if (This->ds3db) {
 975                         IDirectSound3DBuffer_AddRef((LPDIRECTSOUND3DBUFFER)This->ds3db);
 976                         *ppobj = This->ds3db;
 977                         return S_OK;
 978                 }
 979                 WARN("IID_IDirectSound3DBuffer\n");
 980                 return E_NOINTERFACE;
 981         }
 982
 983         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
 984                 ERR("app requested IDirectSound3DListener on secondary buffer\n");
 985                 return E_NOINTERFACE;
 986         }
 987
 988         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
 989                 if (!This->iks)
 990                         IKsBufferPropertySetImpl_Create(This, &(This->iks));
 991                 if (This->iks) {
 992                         IKsPropertySet_AddRef((LPKSPROPERTYSET)This->iks);
 993                         *ppobj = This->iks;
 994                         return S_OK;
 995                 }
 996                 WARN("IID_IKsPropertySet\n");
 997                 return E_NOINTERFACE;
 998         }
 999
1000         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
1001
1002         return E_NOINTERFACE;
1003 }
1004
1005 static IDirectSoundBuffer8Vtbl dsbvt =
1006 {
1007         IDirectSoundBufferImpl_QueryInterface,
1008         IDirectSoundBufferImpl_AddRef,
1009         IDirectSoundBufferImpl_Release,
1010         IDirectSoundBufferImpl_GetCaps,
1011         IDirectSoundBufferImpl_GetCurrentPosition,
1012         IDirectSoundBufferImpl_GetFormat,
1013         IDirectSoundBufferImpl_GetVolume,
1014         IDirectSoundBufferImpl_GetPan,
1015         IDirectSoundBufferImpl_GetFrequency,
1016         IDirectSoundBufferImpl_GetStatus,
1017         IDirectSoundBufferImpl_Initialize,
1018         IDirectSoundBufferImpl_Lock,
1019         IDirectSoundBufferImpl_Play,
1020         IDirectSoundBufferImpl_SetCurrentPosition,
1021         IDirectSoundBufferImpl_SetFormat,
1022         IDirectSoundBufferImpl_SetVolume,
1023         IDirectSoundBufferImpl_SetPan,
1024         IDirectSoundBufferImpl_SetFrequency,
1025         IDirectSoundBufferImpl_Stop,
1026         IDirectSoundBufferImpl_Unlock,
1027         IDirectSoundBufferImpl_Restore,
1028         IDirectSoundBufferImpl_SetFX,
1029         IDirectSoundBufferImpl_AcquireResources,
1030         IDirectSoundBufferImpl_GetObjectInPath
1031 };
1032
1033 HRESULT WINAPI IDirectSoundBufferImpl_Create(
1034         IDirectSoundImpl *ds,
1035         IDirectSoundBufferImpl **pdsb,
1036         LPCDSBUFFERDESC dsbd)
1037 {
1038         IDirectSoundBufferImpl *dsb;
1039         LPWAVEFORMATEX wfex = dsbd->lpwfxFormat;
1040         HRESULT err = DS_OK;
1041         DWORD capf = 0;
1042         int use_hw, alloc_size, cp_size;
1043         TRACE("(%p,%p,%p)\n",ds,pdsb,dsbd);
1044
1045         if (dsbd->dwBufferBytes < DSBSIZE_MIN || dsbd->dwBufferBytes > DSBSIZE_MAX) {
1046                 WARN("invalid parameter: dsbd->dwBufferBytes = %ld\n", dsbd->dwBufferBytes);
1047                 *pdsb = NULL;
1048                 return DSERR_INVALIDPARAM; /* FIXME: which error? */
1049         }
1050
1051         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1052
1053         if (dsb == 0) {
1054                 WARN("out of memory\n");
1055                 *pdsb = NULL;
1056                 return DSERR_OUTOFMEMORY;
1057         }
1058
1059         TRACE("Created buffer at %p\n", dsb);
1060
1061         dsb->ref = 0;
1062         dsb->dsb = 0;
1063         dsb->dsound = ds;
1064         dsb->lpVtbl = &dsbvt;
1065         dsb->iks = NULL;
1066
1067         /* size depends on version */
1068         memcpy(&dsb->dsbd, dsbd, dsbd->dwSize);
1069
1070         /* variable sized struct so calculate size based on format */
1071         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
1072                 alloc_size = sizeof(WAVEFORMATEX);
1073                 cp_size = sizeof(PCMWAVEFORMAT);
1074         } else
1075                 alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
1076
1077         dsb->pwfx = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,alloc_size);
1078         if (dsb->pwfx == NULL) {
1079                 WARN("out of memory\n");
1080                 HeapFree(GetProcessHeap(),0,dsb);
1081                 *pdsb = NULL;
1082                 return DSERR_OUTOFMEMORY;
1083         }
1084
1085         memcpy(dsb->pwfx, wfex, cp_size);
1086
1087         dsb->buflen = dsbd->dwBufferBytes;
1088         dsb->freq = dsbd->lpwfxFormat->nSamplesPerSec;
1089
1090         dsb->notify = NULL;
1091         dsb->notifies = NULL;
1092         dsb->nrofnotifies = 0;
1093         dsb->hwnotify = 0;
1094
1095         /* Check necessary hardware mixing capabilities */
1096         if (wfex->nChannels==2) capf |= DSCAPS_SECONDARYSTEREO;
1097         else capf |= DSCAPS_SECONDARYMONO;
1098         if (wfex->wBitsPerSample==16) capf |= DSCAPS_SECONDARY16BIT;
1099         else capf |= DSCAPS_SECONDARY8BIT;
1100
1101         use_hw = (ds->drvcaps.dwFlags & capf) == capf;
1102         TRACE("use_hw = 0x%08x, capf = 0x%08lx, ds->drvcaps.dwFlags = 0x%08lx\n", use_hw, capf, ds->drvcaps.dwFlags);
1103
1104         /* FIXME: check hardware sample rate mixing capabilities */
1105         /* FIXME: check app hints for software/hardware buffer (STATIC, LOCHARDWARE, etc) */
1106         /* FIXME: check whether any hardware buffers are left */
1107         /* FIXME: handle DSDHEAP_CREATEHEAP for hardware buffers */
1108
1109         /* Allocate system memory if applicable */
1110         if ((ds->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) || !use_hw) {
1111                 dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
1112                 if (dsb->buffer == NULL) {
1113                         WARN("out of memory\n");
1114                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1115                         HeapFree(GetProcessHeap(),0,dsb);
1116                         *pdsb = NULL;
1117                         return DSERR_OUTOFMEMORY;
1118                 }
1119
1120                 dsb->buffer->memory = HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1121                 if (dsb->buffer->memory == NULL) {
1122                         WARN("out of memory\n");
1123                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1124                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1125                         HeapFree(GetProcessHeap(),0,dsb);
1126                         *pdsb = NULL;
1127                         return DSERR_OUTOFMEMORY;
1128                 }
1129                 dsb->buffer->ref = 1;
1130         }
1131
1132         /* Allocate the hardware buffer */
1133         if (use_hw) {
1134                 err = IDsDriver_CreateSoundBuffer(ds->driver,wfex,dsbd->dwFlags,0,
1135                                                   &(dsb->buflen),&(dsb->buffer->memory),
1136                                                   (LPVOID*)&(dsb->hwbuf));
1137                 /* fall back to software buffer on failure */
1138                 if (err != DS_OK) {
1139                         TRACE("IDsDriver_CreateSoundBuffer failed, falling back to software buffer\n");
1140                         use_hw = 0;
1141                         if (ds->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
1142                                 dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
1143                                 if (dsb->buffer == NULL) {
1144                                         WARN("out of memory\n");
1145                                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1146                                         HeapFree(GetProcessHeap(),0,dsb);
1147                                         *pdsb = NULL;
1148                                         return DSERR_OUTOFMEMORY;
1149                                 }
1150
1151                                 dsb->buffer->memory = HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1152                                 if (dsb->buffer->memory == NULL) {
1153                                         WARN("out of memory\n");
1154                                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1155                                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1156                                         HeapFree(GetProcessHeap(),0,dsb);
1157                                         *pdsb = NULL;
1158                                         return DSERR_OUTOFMEMORY;
1159                                 }
1160                                 dsb->buffer->ref = 1;
1161                         }
1162                         err = DS_OK;
1163                 }
1164         }
1165
1166         /* calculate fragment size and write lead */
1167         DSOUND_RecalcFormat(dsb);
1168
1169         /* It's not necessary to initialize values to zero since */
1170         /* we allocated this structure with HEAP_ZERO_MEMORY... */
1171         dsb->playpos = 0;
1172         dsb->buf_mixpos = 0;
1173         dsb->state = STATE_STOPPED;
1174
1175         dsb->freqAdjust = (dsb->freq << DSOUND_FREQSHIFT) /
1176                 ds->pwfx->nSamplesPerSec;
1177         dsb->nAvgBytesPerSec = dsb->freq *
1178                 dsbd->lpwfxFormat->nBlockAlign;
1179
1180         if (dsb->dsbd.dwFlags & DSBCAPS_CTRL3D) {
1181                 dsb->ds3db_ds3db.dwSize = sizeof(DS3DBUFFER);
1182                 dsb->ds3db_ds3db.vPosition.x = 0.0;
1183                 dsb->ds3db_ds3db.vPosition.y = 0.0;
1184                 dsb->ds3db_ds3db.vPosition.z = 0.0;
1185                 dsb->ds3db_ds3db.vVelocity.x = 0.0;
1186                 dsb->ds3db_ds3db.vVelocity.y = 0.0;
1187                 dsb->ds3db_ds3db.vVelocity.z = 0.0;
1188                 dsb->ds3db_ds3db.dwInsideConeAngle = DS3D_DEFAULTCONEANGLE;
1189                 dsb->ds3db_ds3db.dwOutsideConeAngle = DS3D_DEFAULTCONEANGLE;
1190                 dsb->ds3db_ds3db.vConeOrientation.x = 0.0;
1191                 dsb->ds3db_ds3db.vConeOrientation.y = 0.0;
1192                 dsb->ds3db_ds3db.vConeOrientation.z = 0.0;
1193                 dsb->ds3db_ds3db.lConeOutsideVolume = DS3D_DEFAULTCONEOUTSIDEVOLUME;
1194                 dsb->ds3db_ds3db.flMinDistance = DS3D_DEFAULTMINDISTANCE;
1195                 dsb->ds3db_ds3db.flMaxDistance = DS3D_DEFAULTMAXDISTANCE;
1196                 dsb->ds3db_ds3db.dwMode = DS3DMODE_NORMAL;
1197
1198                 dsb->ds3db_need_recalc = FALSE;
1199                 DSOUND_Calc3DBuffer(dsb);
1200         } else
1201                 DSOUND_RecalcVolPan(&(dsb->volpan));
1202
1203         InitializeCriticalSection(&(dsb->lock));
1204         dsb->lock.DebugInfo->Spare[1] = (DWORD)"DSOUNDBUFFER_lock";
1205
1206         /* register buffer if not primary */
1207         if (!(dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER)) {
1208                 err = DSOUND_AddBuffer(ds, dsb);
1209                 if (err != DS_OK) {
1210                         if (dsb->buffer->memory)
1211                                 HeapFree(GetProcessHeap(),0,dsb->buffer->memory);
1212                         if (dsb->buffer)
1213                                 HeapFree(GetProcessHeap(),0,dsb->buffer);
1214                         dsb->lock.DebugInfo->Spare[1] = 0;
1215                         DeleteCriticalSection(&(dsb->lock));
1216                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1217                         HeapFree(GetProcessHeap(),0,dsb);
1218                         dsb = NULL;
1219                 }
1220         }
1221
1222         *pdsb = dsb;
1223         return err;
1224 }
1225
1226 HRESULT WINAPI IDirectSoundBufferImpl_Destroy(
1227     IDirectSoundBufferImpl *pdsb)
1228 {
1229     TRACE("(%p)\n",pdsb);
1230
1231     /* This keeps the *_Destroy functions from possibly deleting
1232      * this object until it is ready to be deleted */
1233     IDirectSoundBufferImpl_AddRef((LPDIRECTSOUNDBUFFER8)pdsb);
1234
1235     if (pdsb->iks) {
1236         WARN("iks not NULL\n");
1237         IKsBufferPropertySetImpl_Destroy(pdsb->iks);
1238         pdsb->iks = NULL;
1239     }
1240
1241     if (pdsb->ds3db) {
1242         WARN("ds3db not NULL\n");
1243         IDirectSound3DBufferImpl_Destroy(pdsb->ds3db);
1244         pdsb->ds3db = NULL;
1245     }
1246
1247     if (pdsb->notify) {
1248         WARN("notify not NULL\n");
1249         IDirectSoundNotifyImpl_Destroy(pdsb->notify);
1250         pdsb->notify = NULL;
1251     }
1252
1253     if (pdsb->dsb) {
1254         WARN("dsb not NULL\n");
1255         SecondaryBufferImpl_Destroy(pdsb->dsb);
1256         pdsb->dsb = NULL;
1257     }
1258
1259     while (IDirectSoundBuffer8_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1260
1261     return S_OK;
1262 }
1263
1264 /*******************************************************************************
1265  *              SecondaryBuffer
1266  */
1267
1268 static HRESULT WINAPI SecondaryBufferImpl_QueryInterface(
1269         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj)
1270 {
1271         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1272         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
1273
1274         return IDirectSoundBufferImpl_QueryInterface((LPDIRECTSOUNDBUFFER8)This->dsb,riid,ppobj);
1275 }
1276
1277 static ULONG WINAPI SecondaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
1278 {
1279         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
1280         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
1281         return InterlockedIncrement(&(This->ref));
1282 }
1283
1284 static ULONG WINAPI SecondaryBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
1285 {
1286         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
1287         ULONG ref;
1288         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
1289
1290         ref = InterlockedDecrement(&(This->ref));
1291         if (!ref) {
1292                 This->dsb->dsb = 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,%ld,%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,%ld,%ld,%p,%p,%p,%p,0x%08lx)\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,%08lx,%08lx,%08lx)\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,%ld)\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,%ld)\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,%ld)\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,%ld)\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,%ld,%p,%ld)\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,%lu,%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,%08lu,%lu,%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,%lu,%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 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 WINAPI 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 HRESULT WINAPI 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 }