git.oblomov.eu Git - wine/blob - 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 <stdarg.h>
  23
  24 #define NONAMELESSSTRUCT
  25 #define NONAMELESSUNION
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "mmsystem.h"
  30 #include "winreg.h"
  31 #include "winternl.h"
  32 #include "wine/debug.h"
  33 #include "dsound.h"
  34 #include "dsdriver.h"
  35 #include "dsound_private.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  38
  39 /*******************************************************************************
  40  *              IDirectSoundNotify
  41  */
  42 static HRESULT WINAPI IDirectSoundNotifyImpl_QueryInterface(
  43         LPDIRECTSOUNDNOTIFY iface,REFIID riid,LPVOID *ppobj
  44 ) {
  45         IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  46         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
  47
  48         if (This->dsb == NULL) {
  49                 WARN("invalid parameter\n");
  50                 return E_INVALIDARG;
  51         }
  52
  53         return IDirectSoundBuffer_QueryInterface((LPDIRECTSOUNDBUFFER)This->dsb, riid, ppobj);
  54 }
  55
  56 static ULONG WINAPI IDirectSoundNotifyImpl_AddRef(LPDIRECTSOUNDNOTIFY iface)
  57 {
  58     IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  59     ULONG ref = InterlockedIncrement(&(This->ref));
  60     TRACE("(%p) ref was %ld\n", This, ref - 1);
  61     return ref;
  62 }
  63
  64 static ULONG WINAPI IDirectSoundNotifyImpl_Release(LPDIRECTSOUNDNOTIFY iface)
  65 {
  66     IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  67     ULONG ref = InterlockedDecrement(&(This->ref));
  68     TRACE("(%p) ref was %ld\n", This, ref + 1);
  69
  70     if (!ref) {
  71         IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER)This->dsb);
  72         This->dsb->notify = NULL;
  73         HeapFree(GetProcessHeap(), 0, This);
  74         TRACE("(%p) released\n", This);
  75     }
  76     return ref;
  77 }
  78
  79 static HRESULT WINAPI IDirectSoundNotifyImpl_SetNotificationPositions(
  80         LPDIRECTSOUNDNOTIFY iface,DWORD howmuch,LPCDSBPOSITIONNOTIFY notify
  81 ) {
  82         IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  83         TRACE("(%p,0x%08lx,%p)\n",This,howmuch,notify);
  84
  85         if (howmuch > 0 && notify == NULL) {
  86             WARN("invalid parameter: notify == NULL\n");
  87             return DSERR_INVALIDPARAM;
  88         }
  89
  90         if (TRACE_ON(dsound)) {
  91             unsigned int        i;
  92             for (i=0;i<howmuch;i++)
  93                 TRACE("notify at %ld to %p\n",
  94                     notify[i].dwOffset,notify[i].hEventNotify);
  95         }
  96
  97         if (This->dsb->hwnotify) {
  98             HRESULT hres;
  99             hres = IDsDriverNotify_SetNotificationPositions(This->dsb->hwnotify, howmuch, notify);
 100             if (hres != DS_OK)
 101                     WARN("IDsDriverNotify_SetNotificationPositions failed\n");
 102             return hres;
 103         } else if (howmuch > 0) {
 104             /* Make an internal copy of the caller-supplied array.
 105              * Replace the existing copy if one is already present. */
 106             if (This->dsb->notifies)
 107                     This->dsb->notifies = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 108                         This->dsb->notifies, howmuch * sizeof(DSBPOSITIONNOTIFY));
 109             else
 110                     This->dsb->notifies = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 111                         howmuch * sizeof(DSBPOSITIONNOTIFY));
 112
 113             if (This->dsb->notifies == NULL) {
 114                     WARN("out of memory\n");
 115                     return DSERR_OUTOFMEMORY;
 116             }
 117             CopyMemory(This->dsb->notifies, notify, howmuch * sizeof(DSBPOSITIONNOTIFY));
 118             This->dsb->nrofnotifies = howmuch;
 119         } else {
 120            HeapFree(GetProcessHeap(), 0, This->dsb->notifies);
 121            This->dsb->notifies = NULL;
 122            This->dsb->nrofnotifies = 0;
 123         }
 124
 125         return S_OK;
 126 }
 127
 128 static const IDirectSoundNotifyVtbl dsnvt =
 129 {
 130     IDirectSoundNotifyImpl_QueryInterface,
 131     IDirectSoundNotifyImpl_AddRef,
 132     IDirectSoundNotifyImpl_Release,
 133     IDirectSoundNotifyImpl_SetNotificationPositions,
 134 };
 135
 136 HRESULT IDirectSoundNotifyImpl_Create(
 137     IDirectSoundBufferImpl * dsb,
 138     IDirectSoundNotifyImpl **pdsn)
 139 {
 140     IDirectSoundNotifyImpl * dsn;
 141     TRACE("(%p,%p)\n",dsb,pdsn);
 142
 143     dsn = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(dsn));
 144
 145     if (dsn == NULL) {
 146         WARN("out of memory\n");
 147         return DSERR_OUTOFMEMORY;
 148     }
 149
 150     dsn->ref = 0;
 151     dsn->lpVtbl = &dsnvt;
 152     dsn->dsb = dsb;
 153     dsb->notify = dsn;
 154     IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)dsb);
 155
 156     *pdsn = dsn;
 157     return DS_OK;
 158 }
 159
 160 HRESULT IDirectSoundNotifyImpl_Destroy(
 161     IDirectSoundNotifyImpl *pdsn)
 162 {
 163     TRACE("(%p)\n",pdsn);
 164
 165     while (IDirectSoundNotifyImpl_Release((LPDIRECTSOUNDNOTIFY)pdsn) > 0);
 166
 167     return DS_OK;
 168 }
 169
 170 /*******************************************************************************
 171  *              IDirectSoundBuffer
 172  */
 173
 174 static HRESULT WINAPI IDirectSoundBufferImpl_SetFormat(
 175         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex
 176 ) {
 177         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 178
 179         TRACE("(%p,%p)\n",This,wfex);
 180         /* This method is not available on secondary buffers */
 181         WARN("invalid call\n");
 182         return DSERR_INVALIDCALL;
 183 }
 184
 185 static HRESULT WINAPI IDirectSoundBufferImpl_SetVolume(
 186         LPDIRECTSOUNDBUFFER8 iface,LONG vol
 187 ) {
 188         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 189         LONG oldVol;
 190         HRESULT hres = DS_OK;
 191
 192         TRACE("(%p,%ld)\n",This,vol);
 193
 194         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 195                 WARN("control unavailable: This->dsbd.dwFlags = 0x%08lx\n", This->dsbd.dwFlags);
 196                 return DSERR_CONTROLUNAVAIL;
 197         }
 198
 199         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 200                 WARN("invalid parameter: vol = %ld\n", vol);
 201                 return DSERR_INVALIDPARAM;
 202         }
 203
 204         /* **** */
 205         EnterCriticalSection(&(This->lock));
 206
 207         if (This->dsbd.dwFlags & DSBCAPS_CTRL3D) {
 208                 oldVol = This->ds3db_lVolume;
 209                 This->ds3db_lVolume = vol;
 210         } else {
 211                 oldVol = This->volpan.lVolume;
 212                 This->volpan.lVolume = vol;
 213                 if (vol != oldVol)
 214                         DSOUND_RecalcVolPan(&(This->volpan));
 215         }
 216
 217         if (vol != oldVol) {
 218                 if (This->hwbuf) {
 219                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
 220                         if (hres != DS_OK)
 221                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
 222                 } else
 223                         DSOUND_ForceRemix(This);
 224         }
 225
 226         LeaveCriticalSection(&(This->lock));
 227         /* **** */
 228
 229         return hres;
 230 }
 231
 232 static HRESULT WINAPI IDirectSoundBufferImpl_GetVolume(
 233         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol
 234 ) {
 235         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 236         TRACE("(%p,%p)\n",This,vol);
 237
 238         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 239                 WARN("control unavailable\n");
 240                 return DSERR_CONTROLUNAVAIL;
 241         }
 242
 243         if (vol == NULL) {
 244                 WARN("invalid parameter: vol == NULL\n");
 245                 return DSERR_INVALIDPARAM;
 246         }
 247
 248         *vol = This->volpan.lVolume;
 249
 250         return DS_OK;
 251 }
 252
 253 static HRESULT WINAPI IDirectSoundBufferImpl_SetFrequency(
 254         LPDIRECTSOUNDBUFFER8 iface,DWORD freq
 255 ) {
 256         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 257         DWORD oldFreq;
 258
 259         TRACE("(%p,%ld)\n",This,freq);
 260
 261         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
 262                 WARN("control unavailable\n");
 263                 return DSERR_CONTROLUNAVAIL;
 264         }
 265
 266         if (freq == DSBFREQUENCY_ORIGINAL)
 267                 freq = This->pwfx->nSamplesPerSec;
 268
 269         if ((freq < DSBFREQUENCY_MIN) || (freq > DSBFREQUENCY_MAX)) {
 270                 WARN("invalid parameter: freq = %ld\n", freq);
 271                 return DSERR_INVALIDPARAM;
 272         }
 273
 274         /* **** */
 275         EnterCriticalSection(&(This->lock));
 276
 277         oldFreq = This->freq;
 278         This->freq = freq;
 279         if (freq != oldFreq) {
 280                 This->freqAdjust = (freq << DSOUND_FREQSHIFT) / This->device->pwfx->nSamplesPerSec;
 281                 This->nAvgBytesPerSec = freq * This->pwfx->nBlockAlign;
 282                 DSOUND_RecalcFormat(This);
 283                 if (!This->hwbuf)
 284                         DSOUND_ForceRemix(This);
 285         }
 286
 287         LeaveCriticalSection(&(This->lock));
 288         /* **** */
 289
 290         return DS_OK;
 291 }
 292
 293 static HRESULT WINAPI IDirectSoundBufferImpl_Play(
 294         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags
 295 ) {
 296         HRESULT hres = DS_OK;
 297         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 298         TRACE("(%p,%08lx,%08lx,%08lx)\n",This,reserved1,reserved2,flags);
 299
 300         /* **** */
 301         EnterCriticalSection(&(This->lock));
 302
 303         This->playflags = flags;
 304         if (This->state == STATE_STOPPED) {
 305                 This->leadin = TRUE;
 306                 This->startpos = This->buf_mixpos;
 307                 This->state = STATE_STARTING;
 308         } else if (This->state == STATE_STOPPING)
 309                 This->state = STATE_PLAYING;
 310         if (This->hwbuf) {
 311                 hres = IDsDriverBuffer_Play(This->hwbuf, 0, 0, This->playflags);
 312                 if (hres != DS_OK)
 313                         WARN("IDsDriverBuffer_Play failed\n");
 314                 else
 315                         This->state = STATE_PLAYING;
 316         }
 317
 318         LeaveCriticalSection(&(This->lock));
 319         /* **** */
 320
 321         return hres;
 322 }
 323
 324 static HRESULT WINAPI IDirectSoundBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
 325 {
 326         HRESULT hres = DS_OK;
 327         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 328         TRACE("(%p)\n",This);
 329
 330         /* **** */
 331         EnterCriticalSection(&(This->lock));
 332
 333         if (This->state == STATE_PLAYING)
 334                 This->state = STATE_STOPPING;
 335         else if (This->state == STATE_STARTING)
 336                 This->state = STATE_STOPPED;
 337         if (This->hwbuf) {
 338                 hres = IDsDriverBuffer_Stop(This->hwbuf);
 339                 if (hres != DS_OK)
 340                         WARN("IDsDriverBuffer_Stop failed\n");
 341                 else
 342                         This->state = STATE_STOPPED;
 343         }
 344         DSOUND_CheckEvent(This, 0);
 345
 346         LeaveCriticalSection(&(This->lock));
 347         /* **** */
 348
 349         return hres;
 350 }
 351
 352 static ULONG WINAPI IDirectSoundBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
 353 {
 354     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 355     ULONG ref = InterlockedIncrement(&(This->ref));
 356     TRACE("(%p) ref was %ld\n", This, ref - 1);
 357     return ref;
 358 }
 359
 360 static ULONG WINAPI IDirectSoundBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
 361 {
 362     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 363     ULONG ref = InterlockedDecrement(&(This->ref));
 364     TRACE("(%p) ref was %ld\n", This, ref + 1);
 365
 366     if (!ref) {
 367         DirectSoundDevice_RemoveBuffer(This->device, This);
 368
 369         This->lock.DebugInfo->Spare[0] = 0;
 370         DeleteCriticalSection(&(This->lock));
 371
 372         if (This->hwbuf) {
 373                 IDsDriverBuffer_Release(This->hwbuf);
 374                 if (This->device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
 375                         This->buffer->ref--;
 376                         if (This->buffer->ref==0) {
 377                                 HeapFree(GetProcessHeap(),0,This->buffer->memory);
 378                                 HeapFree(GetProcessHeap(),0,This->buffer);
 379                         }
 380                 }
 381         } else {
 382                 This->buffer->ref--;
 383                 if (This->buffer->ref==0) {
 384                         HeapFree(GetProcessHeap(),0,This->buffer->memory);
 385                         HeapFree(GetProcessHeap(),0,This->buffer);
 386                 }
 387         }
 388
 389         HeapFree(GetProcessHeap(), 0, This->notifies);
 390         HeapFree(GetProcessHeap(), 0, This->pwfx);
 391         HeapFree(GetProcessHeap(), 0, This);
 392
 393         TRACE("(%p) released\n", This);
 394     }
 395     return ref;
 396 }
 397
 398 DWORD DSOUND_CalcPlayPosition(IDirectSoundBufferImpl *This, DWORD pplay, DWORD pwrite)
 399 {
 400         DWORD bplay = This->buf_mixpos;
 401         DWORD pmix = This->primary_mixpos;
 402         DirectSoundDevice * device = This->device;
 403         TRACE("(%p, pplay=%lu, pwrite=%lu)\n", This, pplay, pwrite);
 404
 405         /* the actual primary play position (pplay) is always behind last mixed (pmix),
 406          * unless the computer is too slow or something */
 407         /* we need to know how far away we are from there */
 408         if (pmix < pplay) pmix += device->buflen; /* wraparound */
 409         pmix -= pplay;
 410         /* detect buffer underrun */
 411         if (pwrite < pplay) pwrite += device->buflen; /* wraparound */
 412         pwrite -= pplay;
 413         if (pmix > (ds_snd_queue_max * device->fraglen + pwrite + device->writelead)) {
 414                 WARN("detected an underrun: primary queue was %ld\n",pmix);
 415                 pmix = 0;
 416         }
 417         /* divide the offset by its sample size */
 418         pmix /= device->pwfx->nBlockAlign;
 419         TRACE("primary back-samples=%ld\n",pmix);
 420         /* adjust for our frequency */
 421         pmix = (pmix * This->freqAdjust) >> DSOUND_FREQSHIFT;
 422         /* multiply by our own sample size */
 423         pmix *= This->pwfx->nBlockAlign;
 424         TRACE("this back-offset=%ld\n", pmix);
 425         /* subtract from our last mixed position */
 426         while (bplay < pmix) bplay += This->buflen; /* wraparound */
 427         bplay -= pmix;
 428         if (This->leadin && ((bplay < This->startpos) || (bplay > This->buf_mixpos))) {
 429                 /* seems we haven't started playing yet */
 430                 TRACE("this still in lead-in phase\n");
 431                 bplay = This->startpos;
 432         }
 433         /* return the result */
 434         return bplay;
 435 }
 436
 437 static HRESULT WINAPI IDirectSoundBufferImpl_GetCurrentPosition(
 438         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos
 439 ) {
 440         HRESULT hres;
 441         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 442         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
 443         if (This->hwbuf) {
 444                 hres=IDsDriverBuffer_GetPosition(This->hwbuf,playpos,writepos);
 445                 if (hres != DS_OK) {
 446                     WARN("IDsDriverBuffer_GetPosition failed\n");
 447                     return hres;
 448                 }
 449         } else {
 450                 if (playpos && (This->state != STATE_PLAYING)) {
 451                         /* we haven't been merged into the primary buffer (yet) */
 452                         *playpos = This->buf_mixpos;
 453                 } else if (playpos) {
 454                         DWORD pplay, pwrite;
 455                         /* let's get this exact; first, recursively call GetPosition on the primary */
 456                         EnterCriticalSection(&(This->device->mixlock));
 457                         if (DSOUND_PrimaryGetPosition(This->device, &pplay, &pwrite) != DS_OK)
 458                                 WARN("DSOUND_PrimaryGetPosition failed\n");
 459                         /* detect HEL mode underrun */
 460                         if (!(This->device->hwbuf || This->device->pwqueue))
 461                                 TRACE("detected an underrun\n");
 462                         if ((This->dsbd.dwFlags & DSBCAPS_GETCURRENTPOSITION2) || This->device->hwbuf) {
 463                                 /* calculate play position using this */
 464                                 *playpos = DSOUND_CalcPlayPosition(This, pplay, pwrite);
 465                         } else {
 466                                 /* (unless the app isn't using GETCURRENTPOSITION2) */
 467                                 /* don't know exactly how this should be handled...
 468                                  * the docs says that play cursor is reported as directly
 469                                  * behind write cursor, hmm... */
 470                                 /* let's just do what might work for Half-Life */
 471                                 DWORD wp;
 472                                 wp = (This->device->pwplay + ds_hel_margin) * This->device->fraglen;
 473                                 wp %= This->device->buflen;
 474                                 *playpos = DSOUND_CalcPlayPosition(This, wp, pwrite);
 475                         }
 476                         LeaveCriticalSection(&(This->device->mixlock));
 477                 }
 478                 if (writepos)
 479                     *writepos = This->buf_mixpos;
 480         }
 481         if (writepos) {
 482                 if (This->state != STATE_STOPPED) {
 483                         /* apply the documented 10ms lead to writepos */
 484                         *writepos += This->writelead;
 485                 }
 486                 *writepos %= This->buflen;
 487         }
 488         if (playpos)
 489             This->last_playpos = *playpos;
 490         TRACE("playpos = %ld, writepos = %ld (%p, time=%ld)\n", playpos?*playpos:0, writepos?*writepos:0, This, GetTickCount());
 491         return DS_OK;
 492 }
 493
 494 static HRESULT WINAPI IDirectSoundBufferImpl_GetStatus(
 495         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status
 496 ) {
 497         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 498         TRACE("(%p,%p), thread is %04lx\n",This,status,GetCurrentThreadId());
 499
 500         if (status == NULL) {
 501                 WARN("invalid parameter: status = NULL\n");
 502                 return DSERR_INVALIDPARAM;
 503         }
 504
 505         *status = 0;
 506         if ((This->state == STATE_STARTING) || (This->state == STATE_PLAYING)) {
 507                 *status |= DSBSTATUS_PLAYING;
 508                 if (This->playflags & DSBPLAY_LOOPING)
 509                         *status |= DSBSTATUS_LOOPING;
 510         }
 511
 512         TRACE("status=%lx\n", *status);
 513         return DS_OK;
 514 }
 515
 516
 517 static HRESULT WINAPI IDirectSoundBufferImpl_GetFormat(
 518     LPDIRECTSOUNDBUFFER8 iface,
 519     LPWAVEFORMATEX lpwf,
 520     DWORD wfsize,
 521     LPDWORD wfwritten)
 522 {
 523     DWORD size;
 524     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 525     TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
 526
 527     size = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
 528
 529     if (lpwf) { /* NULL is valid */
 530         if (wfsize >= size) {
 531             CopyMemory(lpwf,This->pwfx,size);
 532             if (wfwritten)
 533                 *wfwritten = size;
 534         } else {
 535             WARN("invalid parameter: wfsize too small\n");
 536             if (wfwritten)
 537                 *wfwritten = 0;
 538             return DSERR_INVALIDPARAM;
 539         }
 540     } else {
 541         if (wfwritten)
 542             *wfwritten = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
 543         else {
 544             WARN("invalid parameter: wfwritten == NULL\n");
 545             return DSERR_INVALIDPARAM;
 546         }
 547     }
 548
 549     return DS_OK;
 550 }
 551
 552 static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
 553         LPDIRECTSOUNDBUFFER8 iface,DWORD writecursor,DWORD writebytes,LPVOID lplpaudioptr1,LPDWORD audiobytes1,LPVOID lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 554 ) {
 555         HRESULT hres = DS_OK;
 556         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 557
 558         TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx) at %ld\n",
 559                 This,
 560                 writecursor,
 561                 writebytes,
 562                 lplpaudioptr1,
 563                 audiobytes1,
 564                 lplpaudioptr2,
 565                 audiobytes2,
 566                 flags,
 567                 GetTickCount()
 568         );
 569
 570         if (flags & DSBLOCK_FROMWRITECURSOR) {
 571                 DWORD writepos;
 572                 /* GetCurrentPosition does too much magic to duplicate here */
 573                 hres = IDirectSoundBufferImpl_GetCurrentPosition(iface, NULL, &writepos);
 574                 if (hres != DS_OK) {
 575                         WARN("IDirectSoundBufferImpl_GetCurrentPosition failed\n");
 576                         return hres;
 577                 }
 578                 writecursor += writepos;
 579         }
 580         writecursor %= This->buflen;
 581         if (flags & DSBLOCK_ENTIREBUFFER)
 582                 writebytes = This->buflen;
 583         if (writebytes > This->buflen)
 584                 writebytes = This->buflen;
 585
 586         EnterCriticalSection(&(This->lock));
 587
 588         if ((writebytes == This->buflen) &&
 589             ((This->state == STATE_STARTING) ||
 590              (This->state == STATE_PLAYING)))
 591                 /* some games, like Half-Life, try to be clever (not) and
 592                  * keep one secondary buffer, and mix sounds into it itself,
 593                  * locking the entire buffer every time... so we can just forget
 594                  * about tracking the last-written-to-position... */
 595                 This->probably_valid_to = (DWORD)-1;
 596         else
 597                 This->probably_valid_to = writecursor;
 598
 599         if (!(This->device->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 600                 hres = IDsDriverBuffer_Lock(This->hwbuf,
 601                                      lplpaudioptr1, audiobytes1,
 602                                      lplpaudioptr2, audiobytes2,
 603                                      writecursor, writebytes,
 604                                      0);
 605                 if (hres != DS_OK) {
 606                         WARN("IDsDriverBuffer_Lock failed\n");
 607                         LeaveCriticalSection(&(This->lock));
 608                         return hres;
 609                 }
 610         } else {
 611                 BOOL remix = FALSE;
 612                 if (writecursor+writebytes <= This->buflen) {
 613                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 614                         *audiobytes1 = writebytes;
 615                         if (lplpaudioptr2)
 616                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 617                         if (audiobytes2)
 618                                 *audiobytes2 = 0;
 619                         TRACE("->%ld.0\n",writebytes);
 620                 } else {
 621                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 622                         *audiobytes1 = This->buflen-writecursor;
 623                         if (lplpaudioptr2)
 624                                 *(LPBYTE*)lplpaudioptr2 = This->buffer->memory;
 625                         if (audiobytes2)
 626                                 *audiobytes2 = writebytes-(This->buflen-writecursor);
 627                         TRACE("->%ld.%ld\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 628                 }
 629                 if (This->state == STATE_PLAYING) {
 630                         /* if the segment between playpos and buf_mixpos is touched,
 631                          * we need to cancel some mixing */
 632                         /* we'll assume that the app always calls GetCurrentPosition before
 633                          * locking a playing buffer, so that last_playpos is up-to-date */
 634                         if (This->buf_mixpos >= This->last_playpos) {
 635                                 if (This->buf_mixpos > writecursor &&
 636                                     This->last_playpos < writecursor+writebytes)
 637                                         remix = TRUE;
 638                         } else {
 639                                 if (This->buf_mixpos > writecursor ||
 640                                     This->last_playpos < writecursor+writebytes)
 641                                         remix = TRUE;
 642                         }
 643                         if (remix) {
 644                                 TRACE("locking prebuffered region, ouch\n");
 645                                 DSOUND_MixCancelAt(This, writecursor);
 646                         }
 647                 }
 648         }
 649
 650         LeaveCriticalSection(&(This->lock));
 651         return DS_OK;
 652 }
 653
 654 static HRESULT WINAPI IDirectSoundBufferImpl_SetCurrentPosition(
 655         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos
 656 ) {
 657         HRESULT hres = DS_OK;
 658         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 659         TRACE("(%p,%ld)\n",This,newpos);
 660
 661         /* **** */
 662         EnterCriticalSection(&(This->lock));
 663
 664         newpos %= This->buflen;
 665         This->buf_mixpos = newpos;
 666         if (This->hwbuf) {
 667                 hres = IDsDriverBuffer_SetPosition(This->hwbuf, This->buf_mixpos);
 668                 if (hres != DS_OK)
 669                         WARN("IDsDriverBuffer_SetPosition failed\n");
 670         }
 671
 672         LeaveCriticalSection(&(This->lock));
 673         /* **** */
 674
 675         return hres;
 676 }
 677
 678 static HRESULT WINAPI IDirectSoundBufferImpl_SetPan(
 679         LPDIRECTSOUNDBUFFER8 iface,LONG pan
 680 ) {
 681         HRESULT hres = DS_OK;
 682         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 683
 684         TRACE("(%p,%ld)\n",This,pan);
 685
 686         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 687                 WARN("invalid parameter: pan = %ld\n", pan);
 688                 return DSERR_INVALIDPARAM;
 689         }
 690
 691         /* You cannot use both pan and 3D controls */
 692         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN) ||
 693             (This->dsbd.dwFlags & DSBCAPS_CTRL3D)) {
 694                 WARN("control unavailable\n");
 695                 return DSERR_CONTROLUNAVAIL;
 696         }
 697
 698         /* **** */
 699         EnterCriticalSection(&(This->lock));
 700
 701         if (This->volpan.lPan != pan) {
 702                 This->volpan.lPan = pan;
 703                 DSOUND_RecalcVolPan(&(This->volpan));
 704
 705                 if (This->hwbuf) {
 706                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
 707                         if (hres != DS_OK)
 708                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
 709                 } else
 710                         DSOUND_ForceRemix(This);
 711         }
 712
 713         LeaveCriticalSection(&(This->lock));
 714         /* **** */
 715
 716         return hres;
 717 }
 718
 719 static HRESULT WINAPI IDirectSoundBufferImpl_GetPan(
 720         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan
 721 ) {
 722         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 723         TRACE("(%p,%p)\n",This,pan);
 724
 725         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 726                 WARN("control unavailable\n");
 727                 return DSERR_CONTROLUNAVAIL;
 728         }
 729
 730         if (pan == NULL) {
 731                 WARN("invalid parameter: pan = NULL\n");
 732                 return DSERR_INVALIDPARAM;
 733         }
 734
 735         *pan = This->volpan.lPan;
 736
 737         return DS_OK;
 738 }
 739
 740 static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
 741         LPDIRECTSOUNDBUFFER8 iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 742 ) {
 743         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 744         DWORD probably_valid_to;
 745         HRESULT hres = DS_OK;
 746
 747         TRACE("(%p,%p,%ld,%p,%ld)\n", This,p1,x1,p2,x2);
 748
 749         /* **** */
 750         EnterCriticalSection(&(This->lock));
 751
 752         if (!(This->device->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 753                 hres = IDsDriverBuffer_Unlock(This->hwbuf, p1, x1, p2, x2);
 754                 if (hres != DS_OK)
 755                         WARN("IDsDriverBuffer_Unlock failed\n");
 756         }
 757
 758         if (hres == DS_OK) {
 759                 if (p2) probably_valid_to = (((LPBYTE)p2)-This->buffer->memory) + x2;
 760                 else probably_valid_to = (((LPBYTE)p1)-This->buffer->memory) + x1;
 761                 probably_valid_to %= This->buflen;
 762                 if ((probably_valid_to == 0) && ((x1+x2) == This->buflen) &&
 763                     ((This->state == STATE_STARTING) ||
 764                      (This->state == STATE_PLAYING)))
 765                         /* see IDirectSoundBufferImpl_Lock */
 766                         probably_valid_to = (DWORD)-1;
 767                 This->probably_valid_to = probably_valid_to;
 768         }
 769
 770         LeaveCriticalSection(&(This->lock));
 771         /* **** */
 772
 773         TRACE("probably_valid_to=%ld\n", This->probably_valid_to);
 774         return hres;
 775 }
 776
 777 static HRESULT WINAPI IDirectSoundBufferImpl_Restore(
 778         LPDIRECTSOUNDBUFFER8 iface
 779 ) {
 780         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 781         FIXME("(%p):stub\n",This);
 782         return DS_OK;
 783 }
 784
 785 static HRESULT WINAPI IDirectSoundBufferImpl_GetFrequency(
 786         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq
 787 ) {
 788         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 789         TRACE("(%p,%p)\n",This,freq);
 790
 791         if (freq == NULL) {
 792                 WARN("invalid parameter: freq = NULL\n");
 793                 return DSERR_INVALIDPARAM;
 794         }
 795
 796         *freq = This->freq;
 797         TRACE("-> %ld\n", *freq);
 798
 799         return DS_OK;
 800 }
 801
 802 static HRESULT WINAPI IDirectSoundBufferImpl_SetFX(
 803         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes
 804 ) {
 805         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 806         DWORD u;
 807
 808         FIXME("(%p,%lu,%p,%p): stub\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
 809
 810         if (pdwResultCodes)
 811                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 812
 813         WARN("control unavailable\n");
 814         return DSERR_CONTROLUNAVAIL;
 815 }
 816
 817 static HRESULT WINAPI IDirectSoundBufferImpl_AcquireResources(
 818         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes
 819 ) {
 820         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 821         DWORD u;
 822
 823         FIXME("(%p,%08lu,%lu,%p): stub\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
 824
 825         if (pdwResultCodes)
 826                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 827
 828         WARN("control unavailable\n");
 829         return DSERR_CONTROLUNAVAIL;
 830 }
 831
 832 static HRESULT WINAPI IDirectSoundBufferImpl_GetObjectInPath(
 833         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject
 834 ) {
 835         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 836
 837         FIXME("(%p,%s,%lu,%s,%p): stub\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
 838
 839         WARN("control unavailable\n");
 840         return DSERR_CONTROLUNAVAIL;
 841 }
 842
 843 static HRESULT WINAPI IDirectSoundBufferImpl_Initialize(
 844         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
 845 ) {
 846         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 847         FIXME("(%p,%p,%p):stub\n",This,dsound,dbsd);
 848         DPRINTF("Re-Init!!!\n");
 849         WARN("already initialized\n");
 850         return DSERR_ALREADYINITIALIZED;
 851 }
 852
 853 static HRESULT WINAPI IDirectSoundBufferImpl_GetCaps(
 854         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps
 855 ) {
 856         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 857         TRACE("(%p)->(%p)\n",This,caps);
 858
 859         if (caps == NULL) {
 860                 WARN("invalid parameter: caps == NULL\n");
 861                 return DSERR_INVALIDPARAM;
 862         }
 863
 864         if (caps->dwSize < sizeof(*caps)) {
 865                 WARN("invalid parameter: caps->dwSize = %ld < %d\n",caps->dwSize, sizeof(*caps));
 866                 return DSERR_INVALIDPARAM;
 867         }
 868
 869         caps->dwFlags = This->dsbd.dwFlags;
 870         if (This->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
 871         else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
 872
 873         caps->dwBufferBytes = This->buflen;
 874
 875         /* This value represents the speed of the "unlock" command.
 876            As unlock is quite fast (it does not do anything), I put
 877            4096 ko/s = 4 Mo / s */
 878         /* FIXME: hwbuf speed */
 879         caps->dwUnlockTransferRate = 4096;
 880         caps->dwPlayCpuOverhead = 0;
 881
 882         return DS_OK;
 883 }
 884
 885 static HRESULT WINAPI IDirectSoundBufferImpl_QueryInterface(
 886         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj
 887 ) {
 888         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 889
 890         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 891
 892         if (ppobj == NULL) {
 893                 WARN("invalid parameter\n");
 894                 return E_INVALIDARG;
 895         }
 896
 897         *ppobj = NULL;  /* assume failure */
 898
 899         if ( IsEqualGUID(riid, &IID_IUnknown) ||
 900              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ||
 901              IsEqualGUID(riid, &IID_IDirectSoundBuffer8) ) {
 902                 if (!This->secondary)
 903                         SecondaryBufferImpl_Create(This, &(This->secondary));
 904                 if (This->secondary) {
 905                         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)This->secondary);
 906                         *ppobj = This->secondary;
 907                         return S_OK;
 908                 }
 909                 WARN("IID_IDirectSoundBuffer\n");
 910                 return E_NOINTERFACE;
 911         }
 912
 913         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
 914                 if (!This->notify)
 915                         IDirectSoundNotifyImpl_Create(This, &(This->notify));
 916                 if (This->notify) {
 917                         IDirectSoundNotify_AddRef((LPDIRECTSOUNDNOTIFY)This->notify);
 918                         *ppobj = This->notify;
 919                         return S_OK;
 920                 }
 921                 WARN("IID_IDirectSoundNotify\n");
 922                 return E_NOINTERFACE;
 923         }
 924
 925         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
 926                 if (!This->ds3db)
 927                         IDirectSound3DBufferImpl_Create(This, &(This->ds3db));
 928                 if (This->ds3db) {
 929                         IDirectSound3DBuffer_AddRef((LPDIRECTSOUND3DBUFFER)This->ds3db);
 930                         *ppobj = This->ds3db;
 931                         return S_OK;
 932                 }
 933                 WARN("IID_IDirectSound3DBuffer\n");
 934                 return E_NOINTERFACE;
 935         }
 936
 937         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
 938                 ERR("app requested IDirectSound3DListener on secondary buffer\n");
 939                 return E_NOINTERFACE;
 940         }
 941
 942         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
 943                 if (!This->iks)
 944                         IKsBufferPropertySetImpl_Create(This, &(This->iks));
 945                 if (This->iks) {
 946                         IKsPropertySet_AddRef((LPKSPROPERTYSET)This->iks);
 947                         *ppobj = This->iks;
 948                         return S_OK;
 949                 }
 950                 WARN("IID_IKsPropertySet\n");
 951                 return E_NOINTERFACE;
 952         }
 953
 954         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 955
 956         return E_NOINTERFACE;
 957 }
 958
 959 static const IDirectSoundBuffer8Vtbl dsbvt =
 960 {
 961         IDirectSoundBufferImpl_QueryInterface,
 962         IDirectSoundBufferImpl_AddRef,
 963         IDirectSoundBufferImpl_Release,
 964         IDirectSoundBufferImpl_GetCaps,
 965         IDirectSoundBufferImpl_GetCurrentPosition,
 966         IDirectSoundBufferImpl_GetFormat,
 967         IDirectSoundBufferImpl_GetVolume,
 968         IDirectSoundBufferImpl_GetPan,
 969         IDirectSoundBufferImpl_GetFrequency,
 970         IDirectSoundBufferImpl_GetStatus,
 971         IDirectSoundBufferImpl_Initialize,
 972         IDirectSoundBufferImpl_Lock,
 973         IDirectSoundBufferImpl_Play,
 974         IDirectSoundBufferImpl_SetCurrentPosition,
 975         IDirectSoundBufferImpl_SetFormat,
 976         IDirectSoundBufferImpl_SetVolume,
 977         IDirectSoundBufferImpl_SetPan,
 978         IDirectSoundBufferImpl_SetFrequency,
 979         IDirectSoundBufferImpl_Stop,
 980         IDirectSoundBufferImpl_Unlock,
 981         IDirectSoundBufferImpl_Restore,
 982         IDirectSoundBufferImpl_SetFX,
 983         IDirectSoundBufferImpl_AcquireResources,
 984         IDirectSoundBufferImpl_GetObjectInPath
 985 };
 986
 987 HRESULT IDirectSoundBufferImpl_Create(
 988         DirectSoundDevice * device,
 989         IDirectSoundBufferImpl **pdsb,
 990         LPCDSBUFFERDESC dsbd)
 991 {
 992         IDirectSoundBufferImpl *dsb;
 993         LPWAVEFORMATEX wfex = dsbd->lpwfxFormat;
 994         HRESULT err = DS_OK;
 995         DWORD capf = 0;
 996         int use_hw, alloc_size, cp_size;
 997         TRACE("(%p,%p,%p)\n",device,pdsb,dsbd);
 998
 999         if (dsbd->dwBufferBytes < DSBSIZE_MIN || dsbd->dwBufferBytes > DSBSIZE_MAX) {
1000                 WARN("invalid parameter: dsbd->dwBufferBytes = %ld\n", dsbd->dwBufferBytes);
1001                 *pdsb = NULL;
1002                 return DSERR_INVALIDPARAM; /* FIXME: which error? */
1003         }
1004
1005         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1006
1007         if (dsb == 0) {
1008                 WARN("out of memory\n");
1009                 *pdsb = NULL;
1010                 return DSERR_OUTOFMEMORY;
1011         }
1012
1013         TRACE("Created buffer at %p\n", dsb);
1014
1015         dsb->ref = 0;
1016         dsb->secondary = 0;
1017         dsb->device = device;
1018         dsb->lpVtbl = &dsbvt;
1019         dsb->iks = NULL;
1020
1021         /* size depends on version */
1022         CopyMemory(&dsb->dsbd, dsbd, dsbd->dwSize);
1023
1024         /* variable sized struct so calculate size based on format */
1025         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
1026                 alloc_size = sizeof(WAVEFORMATEX);
1027                 cp_size = sizeof(PCMWAVEFORMAT);
1028         } else
1029                 alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
1030
1031         dsb->pwfx = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,alloc_size);
1032         if (dsb->pwfx == NULL) {
1033                 WARN("out of memory\n");
1034                 HeapFree(GetProcessHeap(),0,dsb);
1035                 *pdsb = NULL;
1036                 return DSERR_OUTOFMEMORY;
1037         }
1038
1039         CopyMemory(dsb->pwfx, wfex, cp_size);
1040
1041         if (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign)
1042                 dsb->buflen = dsbd->dwBufferBytes +
1043                         (dsbd->lpwfxFormat->nBlockAlign -
1044                         (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign));
1045         else
1046                 dsb->buflen = dsbd->dwBufferBytes;
1047
1048         dsb->freq = dsbd->lpwfxFormat->nSamplesPerSec;
1049         dsb->notify = NULL;
1050         dsb->notifies = NULL;
1051         dsb->nrofnotifies = 0;
1052         dsb->hwnotify = 0;
1053
1054         /* Check necessary hardware mixing capabilities */
1055         if (wfex->nChannels==2) capf |= DSCAPS_SECONDARYSTEREO;
1056         else capf |= DSCAPS_SECONDARYMONO;
1057         if (wfex->wBitsPerSample==16) capf |= DSCAPS_SECONDARY16BIT;
1058         else capf |= DSCAPS_SECONDARY8BIT;
1059
1060         use_hw = (device->drvcaps.dwFlags & capf) == capf;
1061         TRACE("use_hw = 0x%08x, capf = 0x%08lx, device->drvcaps.dwFlags = 0x%08lx\n", use_hw, capf, device->drvcaps.dwFlags);
1062
1063         /* FIXME: check hardware sample rate mixing capabilities */
1064         /* FIXME: check app hints for software/hardware buffer (STATIC, LOCHARDWARE, etc) */
1065         /* FIXME: check whether any hardware buffers are left */
1066         /* FIXME: handle DSDHEAP_CREATEHEAP for hardware buffers */
1067
1068         /* Allocate an empty buffer */
1069         dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
1070         if (dsb->buffer == NULL) {
1071                 WARN("out of memory\n");
1072                 HeapFree(GetProcessHeap(),0,dsb->pwfx);
1073                 HeapFree(GetProcessHeap(),0,dsb);
1074                 *pdsb = NULL;
1075                 return DSERR_OUTOFMEMORY;
1076         }
1077
1078         /* Allocate system memory for buffer if applicable */
1079         if ((device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) || !use_hw) {
1080                 dsb->buffer->memory = HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1081                 if (dsb->buffer->memory == NULL) {
1082                         WARN("out of memory\n");
1083                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1084                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1085                         HeapFree(GetProcessHeap(),0,dsb);
1086                         *pdsb = NULL;
1087                         return DSERR_OUTOFMEMORY;
1088                 }
1089                 dsb->buffer->ref = 1;
1090                 FillMemory(dsb->buffer->memory, dsb->buflen, dsbd->lpwfxFormat->wBitsPerSample == 8 ? 128 : 0);
1091         }
1092
1093         /* Allocate the hardware buffer */
1094         if (use_hw) {
1095                 err = IDsDriver_CreateSoundBuffer(device->driver,wfex,dsbd->dwFlags,0,
1096                                                   &(dsb->buflen),&(dsb->buffer->memory),
1097                                                   (LPVOID*)&(dsb->hwbuf));
1098                 /* fall back to software buffer on failure */
1099                 if (err != DS_OK) {
1100                         TRACE("IDsDriver_CreateSoundBuffer failed, falling back to software buffer\n");
1101                         use_hw = 0;
1102                         if (device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
1103                                 dsb->buffer->memory = HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1104                                 if (dsb->buffer->memory == NULL) {
1105                                         WARN("out of memory\n");
1106                                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1107                                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1108                                         HeapFree(GetProcessHeap(),0,dsb);
1109                                         *pdsb = NULL;
1110                                         return DSERR_OUTOFMEMORY;
1111                                 }
1112                                 dsb->buffer->ref = 1;
1113                                 FillMemory(dsb->buffer->memory, dsb->buflen, dsbd->lpwfxFormat->wBitsPerSample == 8 ? 128 : 0);
1114                         }
1115                         err = DS_OK;
1116                 }
1117         }
1118
1119         /* calculate fragment size and write lead */
1120         DSOUND_RecalcFormat(dsb);
1121
1122         /* It's not necessary to initialize values to zero since */
1123         /* we allocated this structure with HEAP_ZERO_MEMORY... */
1124         dsb->playpos = 0;
1125         dsb->buf_mixpos = 0;
1126         dsb->state = STATE_STOPPED;
1127
1128         dsb->freqAdjust = (dsb->freq << DSOUND_FREQSHIFT) /
1129                 device->pwfx->nSamplesPerSec;
1130         dsb->nAvgBytesPerSec = dsb->freq *
1131                 dsbd->lpwfxFormat->nBlockAlign;
1132
1133         if (dsb->dsbd.dwFlags & DSBCAPS_CTRL3D) {
1134                 dsb->ds3db_ds3db.dwSize = sizeof(DS3DBUFFER);
1135                 dsb->ds3db_ds3db.vPosition.x = 0.0;
1136                 dsb->ds3db_ds3db.vPosition.y = 0.0;
1137                 dsb->ds3db_ds3db.vPosition.z = 0.0;
1138                 dsb->ds3db_ds3db.vVelocity.x = 0.0;
1139                 dsb->ds3db_ds3db.vVelocity.y = 0.0;
1140                 dsb->ds3db_ds3db.vVelocity.z = 0.0;
1141                 dsb->ds3db_ds3db.dwInsideConeAngle = DS3D_DEFAULTCONEANGLE;
1142                 dsb->ds3db_ds3db.dwOutsideConeAngle = DS3D_DEFAULTCONEANGLE;
1143                 dsb->ds3db_ds3db.vConeOrientation.x = 0.0;
1144                 dsb->ds3db_ds3db.vConeOrientation.y = 0.0;
1145                 dsb->ds3db_ds3db.vConeOrientation.z = 0.0;
1146                 dsb->ds3db_ds3db.lConeOutsideVolume = DS3D_DEFAULTCONEOUTSIDEVOLUME;
1147                 dsb->ds3db_ds3db.flMinDistance = DS3D_DEFAULTMINDISTANCE;
1148                 dsb->ds3db_ds3db.flMaxDistance = DS3D_DEFAULTMAXDISTANCE;
1149                 dsb->ds3db_ds3db.dwMode = DS3DMODE_NORMAL;
1150
1151                 dsb->ds3db_need_recalc = FALSE;
1152                 DSOUND_Calc3DBuffer(dsb);
1153         } else
1154                 DSOUND_RecalcVolPan(&(dsb->volpan));
1155
1156         InitializeCriticalSection(&(dsb->lock));
1157         dsb->lock.DebugInfo->Spare[0] = (DWORD_PTR)"DSOUNDBUFFER_lock";
1158
1159         /* register buffer if not primary */
1160         if (!(dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER)) {
1161                 err = DirectSoundDevice_AddBuffer(device, dsb);
1162                 if (err != DS_OK) {
1163                         HeapFree(GetProcessHeap(),0,dsb->buffer->memory);
1164                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1165                         dsb->lock.DebugInfo->Spare[0] = 0;
1166                         DeleteCriticalSection(&(dsb->lock));
1167                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1168                         HeapFree(GetProcessHeap(),0,dsb);
1169                         dsb = NULL;
1170                 }
1171         }
1172
1173         *pdsb = dsb;
1174         return err;
1175 }
1176
1177 HRESULT IDirectSoundBufferImpl_Destroy(
1178     IDirectSoundBufferImpl *pdsb)
1179 {
1180     TRACE("(%p)\n",pdsb);
1181
1182     /* This keeps the *_Destroy functions from possibly deleting
1183      * this object until it is ready to be deleted */
1184     IDirectSoundBufferImpl_AddRef((LPDIRECTSOUNDBUFFER8)pdsb);
1185
1186     if (pdsb->iks) {
1187         WARN("iks not NULL\n");
1188         IKsBufferPropertySetImpl_Destroy(pdsb->iks);
1189         pdsb->iks = NULL;
1190     }
1191
1192     if (pdsb->ds3db) {
1193         WARN("ds3db not NULL\n");
1194         IDirectSound3DBufferImpl_Destroy(pdsb->ds3db);
1195         pdsb->ds3db = NULL;
1196     }
1197
1198     if (pdsb->notify) {
1199         WARN("notify not NULL\n");
1200         IDirectSoundNotifyImpl_Destroy(pdsb->notify);
1201         pdsb->notify = NULL;
1202     }
1203
1204     if (pdsb->secondary) {
1205         WARN("dsb not NULL\n");
1206         SecondaryBufferImpl_Destroy(pdsb->secondary);
1207         pdsb->secondary = NULL;
1208     }
1209
1210     while (IDirectSoundBuffer8_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1211
1212     return S_OK;
1213 }
1214
1215 HRESULT IDirectSoundBufferImpl_Duplicate(
1216     DirectSoundDevice *device,
1217     IDirectSoundBufferImpl **ppdsb,
1218     IDirectSoundBufferImpl *pdsb)
1219 {
1220     IDirectSoundBufferImpl *dsb;
1221     HRESULT hres = DS_OK;
1222     int size;
1223     TRACE("(%p,%p,%p)\n", device, pdsb, pdsb);
1224
1225     dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1226
1227     if (dsb == NULL) {
1228         WARN("out of memory\n");
1229         *ppdsb = NULL;
1230         return DSERR_OUTOFMEMORY;
1231     }
1232
1233     CopyMemory(dsb, pdsb, sizeof(IDirectSoundBufferImpl));
1234
1235     if (pdsb->hwbuf) {
1236         TRACE("duplicating hardware buffer\n");
1237
1238         hres = IDsDriver_DuplicateSoundBuffer(device->driver, pdsb->hwbuf,
1239                                               (LPVOID *)&dsb->hwbuf);
1240         if (hres != DS_OK) {
1241             TRACE("IDsDriver_DuplicateSoundBuffer failed, falling back to "
1242                   "software buffer\n");
1243             dsb->hwbuf = NULL;
1244             /* allocate buffer */
1245             if (device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
1246                 dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
1247                 if (dsb->buffer == NULL) {
1248                     WARN("out of memory\n");
1249                     HeapFree(GetProcessHeap(),0,dsb);
1250                     *ppdsb = NULL;
1251                     return DSERR_OUTOFMEMORY;
1252                 }
1253
1254                 dsb->buffer->memory = HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1255                 if (dsb->buffer->memory == NULL) {
1256                     WARN("out of memory\n");
1257                     HeapFree(GetProcessHeap(),0,dsb->buffer);
1258                     HeapFree(GetProcessHeap(),0,dsb);
1259                     *ppdsb = NULL;
1260                     return DSERR_OUTOFMEMORY;
1261                 }
1262                 dsb->buffer->ref = 1;
1263
1264                 /* FIXME: copy buffer ? */
1265             }
1266         }
1267     } else {
1268         dsb->hwbuf = NULL;
1269         dsb->buffer->ref++;
1270     }
1271
1272     dsb->ref = 0;
1273     dsb->state = STATE_STOPPED;
1274     dsb->playpos = 0;
1275     dsb->buf_mixpos = 0;
1276     dsb->device = device;
1277     dsb->ds3db = NULL;
1278     dsb->iks = NULL; /* FIXME? */
1279     dsb->secondary = NULL;
1280
1281     /* variable sized struct so calculate size based on format */
1282     size = sizeof(WAVEFORMATEX) + pdsb->pwfx->cbSize;
1283
1284     dsb->pwfx = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,size);
1285     if (dsb->pwfx == NULL) {
1286             WARN("out of memory\n");
1287             HeapFree(GetProcessHeap(),0,dsb->buffer);
1288             HeapFree(GetProcessHeap(),0,dsb);
1289             *ppdsb = NULL;
1290             return DSERR_OUTOFMEMORY;
1291     }
1292
1293     CopyMemory(dsb->pwfx, pdsb->pwfx, size);
1294
1295     InitializeCriticalSection(&(dsb->lock));
1296     dsb->lock.DebugInfo->Spare[0] = (DWORD_PTR)"DSOUNDBUFFER_lock";
1297
1298     /* register buffer */
1299     hres = DirectSoundDevice_AddBuffer(device, dsb);
1300     if (hres != DS_OK) {
1301         dsb->lock.DebugInfo->Spare[0] = 0;
1302         DeleteCriticalSection(&(dsb->lock));
1303         HeapFree(GetProcessHeap(),0,dsb->buffer);
1304         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1305         HeapFree(GetProcessHeap(),0,dsb);
1306         *ppdsb = 0;
1307     }
1308
1309     *ppdsb = dsb;
1310     return hres;
1311 }
1312
1313 /*******************************************************************************
1314  *              SecondaryBuffer
1315  */
1316
1317 static HRESULT WINAPI SecondaryBufferImpl_QueryInterface(
1318         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj)
1319 {
1320         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1321         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
1322
1323         return IDirectSoundBufferImpl_QueryInterface((LPDIRECTSOUNDBUFFER8)This->dsb,riid,ppobj);
1324 }
1325
1326 static ULONG WINAPI SecondaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
1327 {
1328     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1329     ULONG ref = InterlockedIncrement(&(This->ref));
1330     TRACE("(%p) ref was %ld\n", This, ref - 1);
1331     return ref;
1332 }
1333
1334 static ULONG WINAPI SecondaryBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
1335 {
1336     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1337     ULONG ref;
1338     TRACE("(%p)\n", This);
1339     ref = InterlockedDecrement(&(This->ref));
1340     TRACE("ref was %ld\n", ref + 1);
1341
1342     if (!ref) {
1343         This->dsb->secondary = NULL;
1344         IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER8)This->dsb);
1345         HeapFree(GetProcessHeap(), 0, This);
1346         TRACE("(%p) released\n", This);
1347     }
1348     return ref;
1349 }
1350
1351 static HRESULT WINAPI SecondaryBufferImpl_GetCaps(
1352         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps)
1353 {
1354         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1355         TRACE("(%p)->(%p)\n",This,caps);
1356
1357         return IDirectSoundBufferImpl_GetCaps((LPDIRECTSOUNDBUFFER8)This->dsb,caps);
1358 }
1359
1360 static HRESULT WINAPI SecondaryBufferImpl_GetCurrentPosition(
1361         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos)
1362 {
1363         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1364         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
1365
1366         return IDirectSoundBufferImpl_GetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,playpos,writepos);
1367 }
1368
1369 static HRESULT WINAPI SecondaryBufferImpl_GetFormat(
1370         LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX lpwf,DWORD wfsize,LPDWORD wfwritten)
1371 {
1372         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1373         TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
1374
1375         return IDirectSoundBufferImpl_GetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,lpwf,wfsize,wfwritten);
1376 }
1377
1378 static HRESULT WINAPI SecondaryBufferImpl_GetVolume(
1379         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol)
1380 {
1381         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1382         TRACE("(%p,%p)\n",This,vol);
1383
1384         return IDirectSoundBufferImpl_GetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1385 }
1386
1387 static HRESULT WINAPI SecondaryBufferImpl_GetPan(
1388         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan)
1389 {
1390         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1391         TRACE("(%p,%p)\n",This,pan);
1392
1393         return IDirectSoundBufferImpl_GetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1394 }
1395
1396 static HRESULT WINAPI SecondaryBufferImpl_GetFrequency(
1397         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq)
1398 {
1399         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1400         TRACE("(%p,%p)\n",This,freq);
1401
1402         return IDirectSoundBufferImpl_GetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1403 }
1404
1405 static HRESULT WINAPI SecondaryBufferImpl_GetStatus(
1406         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status)
1407 {
1408         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1409         TRACE("(%p,%p)\n",This,status);
1410
1411         return IDirectSoundBufferImpl_GetStatus((LPDIRECTSOUNDBUFFER8)This->dsb,status);
1412 }
1413
1414 static HRESULT WINAPI SecondaryBufferImpl_Initialize(
1415         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd)
1416 {
1417         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1418         TRACE("(%p,%p,%p)\n",This,dsound,dbsd);
1419
1420         return IDirectSoundBufferImpl_Initialize((LPDIRECTSOUNDBUFFER8)This->dsb,dsound,dbsd);
1421 }
1422
1423 static HRESULT WINAPI SecondaryBufferImpl_Lock(
1424     LPDIRECTSOUNDBUFFER8 iface,
1425     DWORD writecursor,
1426     DWORD writebytes,
1427     LPVOID lplpaudioptr1,
1428     LPDWORD audiobytes1,
1429     LPVOID lplpaudioptr2,
1430     LPDWORD audiobytes2,
1431     DWORD dwFlags)
1432 {
1433     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1434     TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx)\n",
1435         This,writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1436
1437     return IDirectSoundBufferImpl_Lock((LPDIRECTSOUNDBUFFER8)This->dsb,
1438         writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1439 }
1440
1441 static HRESULT WINAPI SecondaryBufferImpl_Play(
1442         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags)
1443 {
1444         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1445         TRACE("(%p,%08lx,%08lx,%08lx)\n",This,reserved1,reserved2,flags);
1446
1447         return IDirectSoundBufferImpl_Play((LPDIRECTSOUNDBUFFER8)This->dsb,reserved1,reserved2,flags);
1448 }
1449
1450 static HRESULT WINAPI SecondaryBufferImpl_SetCurrentPosition(
1451         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos)
1452 {
1453         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1454         TRACE("(%p,%ld)\n",This,newpos);
1455
1456         return IDirectSoundBufferImpl_SetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,newpos);
1457 }
1458
1459 static HRESULT WINAPI SecondaryBufferImpl_SetFormat(
1460         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex)
1461 {
1462         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1463         TRACE("(%p,%p)\n",This,wfex);
1464
1465         return IDirectSoundBufferImpl_SetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,wfex);
1466 }
1467
1468 static HRESULT WINAPI SecondaryBufferImpl_SetVolume(
1469         LPDIRECTSOUNDBUFFER8 iface,LONG vol)
1470 {
1471         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1472         TRACE("(%p,%ld)\n",This,vol);
1473
1474         return IDirectSoundBufferImpl_SetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1475 }
1476
1477 static HRESULT WINAPI SecondaryBufferImpl_SetPan(
1478         LPDIRECTSOUNDBUFFER8 iface,LONG pan)
1479 {
1480         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1481         TRACE("(%p,%ld)\n",This,pan);
1482
1483         return IDirectSoundBufferImpl_SetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1484 }
1485
1486 static HRESULT WINAPI SecondaryBufferImpl_SetFrequency(
1487         LPDIRECTSOUNDBUFFER8 iface,DWORD freq)
1488 {
1489         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1490         TRACE("(%p,%ld)\n",This,freq);
1491
1492         return IDirectSoundBufferImpl_SetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1493 }
1494
1495 static HRESULT WINAPI SecondaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
1496 {
1497         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1498         TRACE("(%p)\n",This);
1499
1500         return IDirectSoundBufferImpl_Stop((LPDIRECTSOUNDBUFFER8)This->dsb);
1501 }
1502
1503 static HRESULT WINAPI SecondaryBufferImpl_Unlock(
1504     LPDIRECTSOUNDBUFFER8 iface,
1505     LPVOID lpvAudioPtr1,
1506     DWORD dwAudioBytes1,
1507     LPVOID lpvAudioPtr2,
1508     DWORD dwAudioBytes2)
1509 {
1510     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1511     TRACE("(%p,%p,%ld,%p,%ld)\n",
1512         This, lpvAudioPtr1, dwAudioBytes1, lpvAudioPtr2, dwAudioBytes2);
1513
1514     return IDirectSoundBufferImpl_Unlock((LPDIRECTSOUNDBUFFER8)This->dsb,
1515         lpvAudioPtr1,dwAudioBytes1,lpvAudioPtr2,dwAudioBytes2);
1516 }
1517
1518 static HRESULT WINAPI SecondaryBufferImpl_Restore(
1519         LPDIRECTSOUNDBUFFER8 iface)
1520 {
1521         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1522         TRACE("(%p)\n",This);
1523
1524         return IDirectSoundBufferImpl_Restore((LPDIRECTSOUNDBUFFER8)This->dsb);
1525 }
1526
1527 static HRESULT WINAPI SecondaryBufferImpl_SetFX(
1528         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes)
1529 {
1530         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1531         TRACE("(%p,%lu,%p,%p)\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1532
1533         return IDirectSoundBufferImpl_SetFX((LPDIRECTSOUNDBUFFER8)This->dsb,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1534 }
1535
1536 static HRESULT WINAPI SecondaryBufferImpl_AcquireResources(
1537         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes)
1538 {
1539         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1540         TRACE("(%p,%08lu,%lu,%p)\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
1541
1542         return IDirectSoundBufferImpl_AcquireResources((LPDIRECTSOUNDBUFFER8)This->dsb,dwFlags,dwEffectsCount,pdwResultCodes);
1543 }
1544
1545 static HRESULT WINAPI SecondaryBufferImpl_GetObjectInPath(
1546         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject)
1547 {
1548         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1549         TRACE("(%p,%s,%lu,%s,%p)\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
1550
1551         return IDirectSoundBufferImpl_GetObjectInPath((LPDIRECTSOUNDBUFFER8)This->dsb,rguidObject,dwIndex,rguidInterface,ppObject);
1552 }
1553
1554 static const IDirectSoundBuffer8Vtbl sbvt =
1555 {
1556         SecondaryBufferImpl_QueryInterface,
1557         SecondaryBufferImpl_AddRef,
1558         SecondaryBufferImpl_Release,
1559         SecondaryBufferImpl_GetCaps,
1560         SecondaryBufferImpl_GetCurrentPosition,
1561         SecondaryBufferImpl_GetFormat,
1562         SecondaryBufferImpl_GetVolume,
1563         SecondaryBufferImpl_GetPan,
1564         SecondaryBufferImpl_GetFrequency,
1565         SecondaryBufferImpl_GetStatus,
1566         SecondaryBufferImpl_Initialize,
1567         SecondaryBufferImpl_Lock,
1568         SecondaryBufferImpl_Play,
1569         SecondaryBufferImpl_SetCurrentPosition,
1570         SecondaryBufferImpl_SetFormat,
1571         SecondaryBufferImpl_SetVolume,
1572         SecondaryBufferImpl_SetPan,
1573         SecondaryBufferImpl_SetFrequency,
1574         SecondaryBufferImpl_Stop,
1575         SecondaryBufferImpl_Unlock,
1576         SecondaryBufferImpl_Restore,
1577         SecondaryBufferImpl_SetFX,
1578         SecondaryBufferImpl_AcquireResources,
1579         SecondaryBufferImpl_GetObjectInPath
1580 };
1581
1582 HRESULT SecondaryBufferImpl_Create(
1583         IDirectSoundBufferImpl *dsb,
1584         SecondaryBufferImpl **psb)
1585 {
1586         SecondaryBufferImpl *sb;
1587         TRACE("(%p,%p)\n",dsb,psb);
1588
1589         sb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*sb));
1590
1591         if (sb == 0) {
1592                 WARN("out of memory\n");
1593                 *psb = NULL;
1594                 return DSERR_OUTOFMEMORY;
1595         }
1596         sb->ref = 0;
1597         sb->dsb = dsb;
1598         sb->lpVtbl = &sbvt;
1599
1600         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)dsb);
1601         *psb = sb;
1602         return S_OK;
1603 }
1604
1605 HRESULT SecondaryBufferImpl_Destroy(
1606     SecondaryBufferImpl *pdsb)
1607 {
1608     TRACE("(%p)\n",pdsb);
1609
1610     while (SecondaryBufferImpl_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1611
1612     return S_OK;
1613 }