dlls/dsound/buffer.c

   1 /*                      DirectSound
   2  *
   3  * Copyright 1998 Marcus Meissner
   4  * Copyright 1998 Rob Riggs
   5  * Copyright 2000-2002 TransGaming Technologies, Inc.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include <stdarg.h>
  23
  24 #define NONAMELESSSTRUCT
  25 #define NONAMELESSUNION
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "mmsystem.h"
  30 #include "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         /* when this flag is set, writecursor is meaningless and must be calculated */
 571         if (flags & DSBLOCK_FROMWRITECURSOR) {
 572                 /* GetCurrentPosition does too much magic to duplicate here */
 573                 hres = IDirectSoundBufferImpl_GetCurrentPosition(iface, NULL, &writecursor);
 574                 if (hres != DS_OK) {
 575                         WARN("IDirectSoundBufferImpl_GetCurrentPosition failed\n");
 576                         return hres;
 577                 }
 578         }
 579
 580         /* when this flag is set, writebytes is meaningless and must be set */
 581         if (flags & DSBLOCK_ENTIREBUFFER)
 582                 writebytes = This->buflen;
 583
 584         if (writecursor >= This->buflen) {
 585                 WARN("Invalid parameter, writecursor: %lu >= buflen: %lu\n",
 586                      writecursor, This->buflen);
 587                 return DSERR_INVALIDPARAM;
 588         }
 589
 590         if (writebytes > This->buflen) {
 591                 WARN("Invalid parameter, writebytes: %lu > buflen: %lu\n",
 592                      writebytes, This->buflen);
 593                 return DSERR_INVALIDPARAM;
 594         }
 595
 596         EnterCriticalSection(&(This->lock));
 597
 598         if ((writebytes == This->buflen) &&
 599             ((This->state == STATE_STARTING) ||
 600              (This->state == STATE_PLAYING)))
 601                 /* some games, like Half-Life, try to be clever (not) and
 602                  * keep one secondary buffer, and mix sounds into it itself,
 603                  * locking the entire buffer every time... so we can just forget
 604                  * about tracking the last-written-to-position... */
 605                 This->probably_valid_to = (DWORD)-1;
 606         else
 607                 This->probably_valid_to = writecursor;
 608
 609         if (!(This->device->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 610                 hres = IDsDriverBuffer_Lock(This->hwbuf,
 611                                      lplpaudioptr1, audiobytes1,
 612                                      lplpaudioptr2, audiobytes2,
 613                                      writecursor, writebytes,
 614                                      0);
 615                 if (hres != DS_OK) {
 616                         WARN("IDsDriverBuffer_Lock failed\n");
 617                         LeaveCriticalSection(&(This->lock));
 618                         return hres;
 619                 }
 620         } else {
 621                 BOOL remix = FALSE;
 622                 if (writecursor+writebytes <= This->buflen) {
 623                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 624                         *audiobytes1 = writebytes;
 625                         if (lplpaudioptr2)
 626                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 627                         if (audiobytes2)
 628                                 *audiobytes2 = 0;
 629                         TRACE("->%ld.0\n",writebytes);
 630                 } else {
 631                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 632                         *audiobytes1 = This->buflen-writecursor;
 633                         if (lplpaudioptr2)
 634                                 *(LPBYTE*)lplpaudioptr2 = This->buffer->memory;
 635                         if (audiobytes2)
 636                                 *audiobytes2 = writebytes-(This->buflen-writecursor);
 637                         TRACE("->%ld.%ld\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 638                 }
 639                 if (This->state == STATE_PLAYING) {
 640                         /* if the segment between playpos and buf_mixpos is touched,
 641                          * we need to cancel some mixing */
 642                         /* we'll assume that the app always calls GetCurrentPosition before
 643                          * locking a playing buffer, so that last_playpos is up-to-date */
 644                         if (This->buf_mixpos >= This->last_playpos) {
 645                                 if (This->buf_mixpos > writecursor &&
 646                                     This->last_playpos < writecursor+writebytes)
 647                                         remix = TRUE;
 648                         } else {
 649                                 if (This->buf_mixpos > writecursor ||
 650                                     This->last_playpos < writecursor+writebytes)
 651                                         remix = TRUE;
 652                         }
 653                         if (remix) {
 654                                 TRACE("locking prebuffered region, ouch\n");
 655                                 DSOUND_MixCancelAt(This, writecursor);
 656                         }
 657                 }
 658         }
 659
 660         LeaveCriticalSection(&(This->lock));
 661
 662         return DS_OK;
 663 }
 664
 665 static HRESULT WINAPI IDirectSoundBufferImpl_SetCurrentPosition(
 666         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos
 667 ) {
 668         HRESULT hres = DS_OK;
 669         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 670         TRACE("(%p,%ld)\n",This,newpos);
 671
 672         /* **** */
 673         EnterCriticalSection(&(This->lock));
 674
 675         newpos %= This->buflen;
 676         This->buf_mixpos = newpos;
 677         if (This->hwbuf) {
 678                 hres = IDsDriverBuffer_SetPosition(This->hwbuf, This->buf_mixpos);
 679                 if (hres != DS_OK)
 680                         WARN("IDsDriverBuffer_SetPosition failed\n");
 681         }
 682
 683         LeaveCriticalSection(&(This->lock));
 684         /* **** */
 685
 686         return hres;
 687 }
 688
 689 static HRESULT WINAPI IDirectSoundBufferImpl_SetPan(
 690         LPDIRECTSOUNDBUFFER8 iface,LONG pan
 691 ) {
 692         HRESULT hres = DS_OK;
 693         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 694
 695         TRACE("(%p,%ld)\n",This,pan);
 696
 697         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 698                 WARN("invalid parameter: pan = %ld\n", pan);
 699                 return DSERR_INVALIDPARAM;
 700         }
 701
 702         /* You cannot use both pan and 3D controls */
 703         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN) ||
 704             (This->dsbd.dwFlags & DSBCAPS_CTRL3D)) {
 705                 WARN("control unavailable\n");
 706                 return DSERR_CONTROLUNAVAIL;
 707         }
 708
 709         /* **** */
 710         EnterCriticalSection(&(This->lock));
 711
 712         if (This->volpan.lPan != pan) {
 713                 This->volpan.lPan = pan;
 714                 DSOUND_RecalcVolPan(&(This->volpan));
 715
 716                 if (This->hwbuf) {
 717                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
 718                         if (hres != DS_OK)
 719                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
 720                 } else
 721                         DSOUND_ForceRemix(This);
 722         }
 723
 724         LeaveCriticalSection(&(This->lock));
 725         /* **** */
 726
 727         return hres;
 728 }
 729
 730 static HRESULT WINAPI IDirectSoundBufferImpl_GetPan(
 731         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan
 732 ) {
 733         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 734         TRACE("(%p,%p)\n",This,pan);
 735
 736         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 737                 WARN("control unavailable\n");
 738                 return DSERR_CONTROLUNAVAIL;
 739         }
 740
 741         if (pan == NULL) {
 742                 WARN("invalid parameter: pan = NULL\n");
 743                 return DSERR_INVALIDPARAM;
 744         }
 745
 746         *pan = This->volpan.lPan;
 747
 748         return DS_OK;
 749 }
 750
 751 static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
 752         LPDIRECTSOUNDBUFFER8 iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 753 ) {
 754         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 755         DWORD probably_valid_to;
 756         HRESULT hres = DS_OK;
 757
 758         TRACE("(%p,%p,%ld,%p,%ld)\n", This,p1,x1,p2,x2);
 759
 760         /* **** */
 761         EnterCriticalSection(&(This->lock));
 762
 763         if (!(This->device->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 764                 hres = IDsDriverBuffer_Unlock(This->hwbuf, p1, x1, p2, x2);
 765                 if (hres != DS_OK)
 766                         WARN("IDsDriverBuffer_Unlock failed\n");
 767         }
 768
 769         if (hres == DS_OK) {
 770                 if (p2) probably_valid_to = (((LPBYTE)p2)-This->buffer->memory) + x2;
 771                 else probably_valid_to = (((LPBYTE)p1)-This->buffer->memory) + x1;
 772                 probably_valid_to %= This->buflen;
 773                 if ((probably_valid_to == 0) && ((x1+x2) == This->buflen) &&
 774                     ((This->state == STATE_STARTING) ||
 775                      (This->state == STATE_PLAYING)))
 776                         /* see IDirectSoundBufferImpl_Lock */
 777                         probably_valid_to = (DWORD)-1;
 778                 This->probably_valid_to = probably_valid_to;
 779         }
 780
 781         LeaveCriticalSection(&(This->lock));
 782         /* **** */
 783
 784         TRACE("probably_valid_to=%ld\n", This->probably_valid_to);
 785         return hres;
 786 }
 787
 788 static HRESULT WINAPI IDirectSoundBufferImpl_Restore(
 789         LPDIRECTSOUNDBUFFER8 iface
 790 ) {
 791         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 792         FIXME("(%p):stub\n",This);
 793         return DS_OK;
 794 }
 795
 796 static HRESULT WINAPI IDirectSoundBufferImpl_GetFrequency(
 797         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq
 798 ) {
 799         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 800         TRACE("(%p,%p)\n",This,freq);
 801
 802         if (freq == NULL) {
 803                 WARN("invalid parameter: freq = NULL\n");
 804                 return DSERR_INVALIDPARAM;
 805         }
 806
 807         *freq = This->freq;
 808         TRACE("-> %ld\n", *freq);
 809
 810         return DS_OK;
 811 }
 812
 813 static HRESULT WINAPI IDirectSoundBufferImpl_SetFX(
 814         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes
 815 ) {
 816         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 817         DWORD u;
 818
 819         FIXME("(%p,%lu,%p,%p): stub\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
 820
 821         if (pdwResultCodes)
 822                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 823
 824         WARN("control unavailable\n");
 825         return DSERR_CONTROLUNAVAIL;
 826 }
 827
 828 static HRESULT WINAPI IDirectSoundBufferImpl_AcquireResources(
 829         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes
 830 ) {
 831         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 832         DWORD u;
 833
 834         FIXME("(%p,%08lu,%lu,%p): stub\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
 835
 836         if (pdwResultCodes)
 837                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 838
 839         WARN("control unavailable\n");
 840         return DSERR_CONTROLUNAVAIL;
 841 }
 842
 843 static HRESULT WINAPI IDirectSoundBufferImpl_GetObjectInPath(
 844         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject
 845 ) {
 846         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 847
 848         FIXME("(%p,%s,%lu,%s,%p): stub\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
 849
 850         WARN("control unavailable\n");
 851         return DSERR_CONTROLUNAVAIL;
 852 }
 853
 854 static HRESULT WINAPI IDirectSoundBufferImpl_Initialize(
 855         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
 856 ) {
 857         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 858         FIXME("(%p,%p,%p):stub\n",This,dsound,dbsd);
 859         DPRINTF("Re-Init!!!\n");
 860         WARN("already initialized\n");
 861         return DSERR_ALREADYINITIALIZED;
 862 }
 863
 864 static HRESULT WINAPI IDirectSoundBufferImpl_GetCaps(
 865         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps
 866 ) {
 867         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 868         TRACE("(%p)->(%p)\n",This,caps);
 869
 870         if (caps == NULL) {
 871                 WARN("invalid parameter: caps == NULL\n");
 872                 return DSERR_INVALIDPARAM;
 873         }
 874
 875         if (caps->dwSize < sizeof(*caps)) {
 876                 WARN("invalid parameter: caps->dwSize = %ld < %d\n",caps->dwSize, sizeof(*caps));
 877                 return DSERR_INVALIDPARAM;
 878         }
 879
 880         caps->dwFlags = This->dsbd.dwFlags;
 881         if (This->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
 882         else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
 883
 884         caps->dwBufferBytes = This->buflen;
 885
 886         /* This value represents the speed of the "unlock" command.
 887            As unlock is quite fast (it does not do anything), I put
 888            4096 ko/s = 4 Mo / s */
 889         /* FIXME: hwbuf speed */
 890         caps->dwUnlockTransferRate = 4096;
 891         caps->dwPlayCpuOverhead = 0;
 892
 893         return DS_OK;
 894 }
 895
 896 static HRESULT WINAPI IDirectSoundBufferImpl_QueryInterface(
 897         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj
 898 ) {
 899         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 900
 901         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 902
 903         if (ppobj == NULL) {
 904                 WARN("invalid parameter\n");
 905                 return E_INVALIDARG;
 906         }
 907
 908         *ppobj = NULL;  /* assume failure */
 909
 910         if ( IsEqualGUID(riid, &IID_IUnknown) ||
 911              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ||
 912              IsEqualGUID(riid, &IID_IDirectSoundBuffer8) ) {
 913                 if (!This->secondary)
 914                         SecondaryBufferImpl_Create(This, &(This->secondary));
 915                 if (This->secondary) {
 916                         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)This->secondary);
 917                         *ppobj = This->secondary;
 918                         return S_OK;
 919                 }
 920                 WARN("IID_IDirectSoundBuffer\n");
 921                 return E_NOINTERFACE;
 922         }
 923
 924         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
 925                 if (!This->notify)
 926                         IDirectSoundNotifyImpl_Create(This, &(This->notify));
 927                 if (This->notify) {
 928                         IDirectSoundNotify_AddRef((LPDIRECTSOUNDNOTIFY)This->notify);
 929                         *ppobj = This->notify;
 930                         return S_OK;
 931                 }
 932                 WARN("IID_IDirectSoundNotify\n");
 933                 return E_NOINTERFACE;
 934         }
 935
 936         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
 937                 if (!This->ds3db)
 938                         IDirectSound3DBufferImpl_Create(This, &(This->ds3db));
 939                 if (This->ds3db) {
 940                         IDirectSound3DBuffer_AddRef((LPDIRECTSOUND3DBUFFER)This->ds3db);
 941                         *ppobj = This->ds3db;
 942                         return S_OK;
 943                 }
 944                 WARN("IID_IDirectSound3DBuffer\n");
 945                 return E_NOINTERFACE;
 946         }
 947
 948         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
 949                 ERR("app requested IDirectSound3DListener on secondary buffer\n");
 950                 return E_NOINTERFACE;
 951         }
 952
 953         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
 954                 if (!This->iks)
 955                         IKsBufferPropertySetImpl_Create(This, &(This->iks));
 956                 if (This->iks) {
 957                         IKsPropertySet_AddRef((LPKSPROPERTYSET)This->iks);
 958                         *ppobj = This->iks;
 959                         return S_OK;
 960                 }
 961                 WARN("IID_IKsPropertySet\n");
 962                 return E_NOINTERFACE;
 963         }
 964
 965         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 966
 967         return E_NOINTERFACE;
 968 }
 969
 970 static const IDirectSoundBuffer8Vtbl dsbvt =
 971 {
 972         IDirectSoundBufferImpl_QueryInterface,
 973         IDirectSoundBufferImpl_AddRef,
 974         IDirectSoundBufferImpl_Release,
 975         IDirectSoundBufferImpl_GetCaps,
 976         IDirectSoundBufferImpl_GetCurrentPosition,
 977         IDirectSoundBufferImpl_GetFormat,
 978         IDirectSoundBufferImpl_GetVolume,
 979         IDirectSoundBufferImpl_GetPan,
 980         IDirectSoundBufferImpl_GetFrequency,
 981         IDirectSoundBufferImpl_GetStatus,
 982         IDirectSoundBufferImpl_Initialize,
 983         IDirectSoundBufferImpl_Lock,
 984         IDirectSoundBufferImpl_Play,
 985         IDirectSoundBufferImpl_SetCurrentPosition,
 986         IDirectSoundBufferImpl_SetFormat,
 987         IDirectSoundBufferImpl_SetVolume,
 988         IDirectSoundBufferImpl_SetPan,
 989         IDirectSoundBufferImpl_SetFrequency,
 990         IDirectSoundBufferImpl_Stop,
 991         IDirectSoundBufferImpl_Unlock,
 992         IDirectSoundBufferImpl_Restore,
 993         IDirectSoundBufferImpl_SetFX,
 994         IDirectSoundBufferImpl_AcquireResources,
 995         IDirectSoundBufferImpl_GetObjectInPath
 996 };
 997
 998 HRESULT IDirectSoundBufferImpl_Create(
 999         DirectSoundDevice * device,
1000         IDirectSoundBufferImpl **pdsb,
1001         LPCDSBUFFERDESC dsbd)
1002 {
1003         IDirectSoundBufferImpl *dsb;
1004         LPWAVEFORMATEX wfex = dsbd->lpwfxFormat;
1005         HRESULT err = DS_OK;
1006         DWORD capf = 0;
1007         int use_hw, alloc_size, cp_size;
1008         TRACE("(%p,%p,%p)\n",device,pdsb,dsbd);
1009
1010         if (dsbd->dwBufferBytes < DSBSIZE_MIN || dsbd->dwBufferBytes > DSBSIZE_MAX) {
1011                 WARN("invalid parameter: dsbd->dwBufferBytes = %ld\n", dsbd->dwBufferBytes);
1012                 *pdsb = NULL;
1013                 return DSERR_INVALIDPARAM; /* FIXME: which error? */
1014         }
1015
1016         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1017
1018         if (dsb == 0) {
1019                 WARN("out of memory\n");
1020                 *pdsb = NULL;
1021                 return DSERR_OUTOFMEMORY;
1022         }
1023
1024         TRACE("Created buffer at %p\n", dsb);
1025
1026         dsb->ref = 0;
1027         dsb->secondary = 0;
1028         dsb->device = device;
1029         dsb->lpVtbl = &dsbvt;
1030         dsb->iks = NULL;
1031
1032         /* size depends on version */
1033         CopyMemory(&dsb->dsbd, dsbd, dsbd->dwSize);
1034
1035         /* variable sized struct so calculate size based on format */
1036         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
1037                 alloc_size = sizeof(WAVEFORMATEX);
1038                 cp_size = sizeof(PCMWAVEFORMAT);
1039         } else
1040                 alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
1041
1042         dsb->pwfx = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,alloc_size);
1043         if (dsb->pwfx == NULL) {
1044                 WARN("out of memory\n");
1045                 HeapFree(GetProcessHeap(),0,dsb);
1046                 *pdsb = NULL;
1047                 return DSERR_OUTOFMEMORY;
1048         }
1049
1050         CopyMemory(dsb->pwfx, wfex, cp_size);
1051
1052         if (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign)
1053                 dsb->buflen = dsbd->dwBufferBytes +
1054                         (dsbd->lpwfxFormat->nBlockAlign -
1055                         (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign));
1056         else
1057                 dsb->buflen = dsbd->dwBufferBytes;
1058
1059         dsb->freq = dsbd->lpwfxFormat->nSamplesPerSec;
1060         dsb->notify = NULL;
1061         dsb->notifies = NULL;
1062         dsb->nrofnotifies = 0;
1063         dsb->hwnotify = 0;
1064
1065         /* Check necessary hardware mixing capabilities */
1066         if (wfex->nChannels==2) capf |= DSCAPS_SECONDARYSTEREO;
1067         else capf |= DSCAPS_SECONDARYMONO;
1068         if (wfex->wBitsPerSample==16) capf |= DSCAPS_SECONDARY16BIT;
1069         else capf |= DSCAPS_SECONDARY8BIT;
1070
1071         use_hw = (device->drvcaps.dwFlags & capf) == capf;
1072         TRACE("use_hw = 0x%08x, capf = 0x%08lx, device->drvcaps.dwFlags = 0x%08lx\n", use_hw, capf, device->drvcaps.dwFlags);
1073
1074         /* FIXME: check hardware sample rate mixing capabilities */
1075         /* FIXME: check app hints for software/hardware buffer (STATIC, LOCHARDWARE, etc) */
1076         /* FIXME: check whether any hardware buffers are left */
1077         /* FIXME: handle DSDHEAP_CREATEHEAP for hardware buffers */
1078
1079         /* Allocate an empty buffer */
1080         dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
1081         if (dsb->buffer == NULL) {
1082                 WARN("out of memory\n");
1083                 HeapFree(GetProcessHeap(),0,dsb->pwfx);
1084                 HeapFree(GetProcessHeap(),0,dsb);
1085                 *pdsb = NULL;
1086                 return DSERR_OUTOFMEMORY;
1087         }
1088
1089         /* Allocate system memory for buffer if applicable */
1090         if ((device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) || !use_hw) {
1091                 dsb->buffer->memory = HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1092                 if (dsb->buffer->memory == NULL) {
1093                         WARN("out of memory\n");
1094                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1095                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1096                         HeapFree(GetProcessHeap(),0,dsb);
1097                         *pdsb = NULL;
1098                         return DSERR_OUTOFMEMORY;
1099                 }
1100                 dsb->buffer->ref = 1;
1101                 FillMemory(dsb->buffer->memory, dsb->buflen, dsbd->lpwfxFormat->wBitsPerSample == 8 ? 128 : 0);
1102         }
1103
1104         /* Allocate the hardware buffer */
1105         if (use_hw) {
1106                 err = IDsDriver_CreateSoundBuffer(device->driver,wfex,dsbd->dwFlags,0,
1107                                                   &(dsb->buflen),&(dsb->buffer->memory),
1108                                                   (LPVOID*)&(dsb->hwbuf));
1109                 /* fall back to software buffer on failure */
1110                 if (err != DS_OK) {
1111                         TRACE("IDsDriver_CreateSoundBuffer failed, falling back to software buffer\n");
1112                         use_hw = 0;
1113                         if (device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
1114                                 dsb->buffer->memory = HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1115                                 if (dsb->buffer->memory == NULL) {
1116                                         WARN("out of memory\n");
1117                                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1118                                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1119                                         HeapFree(GetProcessHeap(),0,dsb);
1120                                         *pdsb = NULL;
1121                                         return DSERR_OUTOFMEMORY;
1122                                 }
1123                                 dsb->buffer->ref = 1;
1124                                 FillMemory(dsb->buffer->memory, dsb->buflen, dsbd->lpwfxFormat->wBitsPerSample == 8 ? 128 : 0);
1125                         }
1126                         err = DS_OK;
1127                 }
1128         }
1129
1130         /* calculate fragment size and write lead */
1131         DSOUND_RecalcFormat(dsb);
1132
1133         /* It's not necessary to initialize values to zero since */
1134         /* we allocated this structure with HEAP_ZERO_MEMORY... */
1135         dsb->playpos = 0;
1136         dsb->buf_mixpos = 0;
1137         dsb->state = STATE_STOPPED;
1138
1139         dsb->freqAdjust = (dsb->freq << DSOUND_FREQSHIFT) /
1140                 device->pwfx->nSamplesPerSec;
1141         dsb->nAvgBytesPerSec = dsb->freq *
1142                 dsbd->lpwfxFormat->nBlockAlign;
1143
1144         if (dsb->dsbd.dwFlags & DSBCAPS_CTRL3D) {
1145                 dsb->ds3db_ds3db.dwSize = sizeof(DS3DBUFFER);
1146                 dsb->ds3db_ds3db.vPosition.x = 0.0;
1147                 dsb->ds3db_ds3db.vPosition.y = 0.0;
1148                 dsb->ds3db_ds3db.vPosition.z = 0.0;
1149                 dsb->ds3db_ds3db.vVelocity.x = 0.0;
1150                 dsb->ds3db_ds3db.vVelocity.y = 0.0;
1151                 dsb->ds3db_ds3db.vVelocity.z = 0.0;
1152                 dsb->ds3db_ds3db.dwInsideConeAngle = DS3D_DEFAULTCONEANGLE;
1153                 dsb->ds3db_ds3db.dwOutsideConeAngle = DS3D_DEFAULTCONEANGLE;
1154                 dsb->ds3db_ds3db.vConeOrientation.x = 0.0;
1155                 dsb->ds3db_ds3db.vConeOrientation.y = 0.0;
1156                 dsb->ds3db_ds3db.vConeOrientation.z = 0.0;
1157                 dsb->ds3db_ds3db.lConeOutsideVolume = DS3D_DEFAULTCONEOUTSIDEVOLUME;
1158                 dsb->ds3db_ds3db.flMinDistance = DS3D_DEFAULTMINDISTANCE;
1159                 dsb->ds3db_ds3db.flMaxDistance = DS3D_DEFAULTMAXDISTANCE;
1160                 dsb->ds3db_ds3db.dwMode = DS3DMODE_NORMAL;
1161
1162                 dsb->ds3db_need_recalc = FALSE;
1163                 DSOUND_Calc3DBuffer(dsb);
1164         } else
1165                 DSOUND_RecalcVolPan(&(dsb->volpan));
1166
1167         InitializeCriticalSection(&(dsb->lock));
1168         dsb->lock.DebugInfo->Spare[0] = (DWORD_PTR)"DSOUNDBUFFER_lock";
1169
1170         /* register buffer if not primary */
1171         if (!(dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER)) {
1172                 err = DirectSoundDevice_AddBuffer(device, dsb);
1173                 if (err != DS_OK) {
1174                         HeapFree(GetProcessHeap(),0,dsb->buffer->memory);
1175                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1176                         dsb->lock.DebugInfo->Spare[0] = 0;
1177                         DeleteCriticalSection(&(dsb->lock));
1178                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1179                         HeapFree(GetProcessHeap(),0,dsb);
1180                         dsb = NULL;
1181                 }
1182         }
1183
1184         *pdsb = dsb;
1185         return err;
1186 }
1187
1188 HRESULT IDirectSoundBufferImpl_Destroy(
1189     IDirectSoundBufferImpl *pdsb)
1190 {
1191     TRACE("(%p)\n",pdsb);
1192
1193     /* This keeps the *_Destroy functions from possibly deleting
1194      * this object until it is ready to be deleted */
1195     IDirectSoundBufferImpl_AddRef((LPDIRECTSOUNDBUFFER8)pdsb);
1196
1197     if (pdsb->iks) {
1198         WARN("iks not NULL\n");
1199         IKsBufferPropertySetImpl_Destroy(pdsb->iks);
1200         pdsb->iks = NULL;
1201     }
1202
1203     if (pdsb->ds3db) {
1204         WARN("ds3db not NULL\n");
1205         IDirectSound3DBufferImpl_Destroy(pdsb->ds3db);
1206         pdsb->ds3db = NULL;
1207     }
1208
1209     if (pdsb->notify) {
1210         WARN("notify not NULL\n");
1211         IDirectSoundNotifyImpl_Destroy(pdsb->notify);
1212         pdsb->notify = NULL;
1213     }
1214
1215     if (pdsb->secondary) {
1216         WARN("dsb not NULL\n");
1217         SecondaryBufferImpl_Destroy(pdsb->secondary);
1218         pdsb->secondary = NULL;
1219     }
1220
1221     while (IDirectSoundBuffer8_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1222
1223     return S_OK;
1224 }
1225
1226 HRESULT IDirectSoundBufferImpl_Duplicate(
1227     DirectSoundDevice *device,
1228     IDirectSoundBufferImpl **ppdsb,
1229     IDirectSoundBufferImpl *pdsb)
1230 {
1231     IDirectSoundBufferImpl *dsb;
1232     HRESULT hres = DS_OK;
1233     int size;
1234     TRACE("(%p,%p,%p)\n", device, pdsb, pdsb);
1235
1236     dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1237
1238     if (dsb == NULL) {
1239         WARN("out of memory\n");
1240         *ppdsb = NULL;
1241         return DSERR_OUTOFMEMORY;
1242     }
1243
1244     CopyMemory(dsb, pdsb, sizeof(IDirectSoundBufferImpl));
1245
1246     if (pdsb->hwbuf) {
1247         TRACE("duplicating hardware buffer\n");
1248
1249         hres = IDsDriver_DuplicateSoundBuffer(device->driver, pdsb->hwbuf,
1250                                               (LPVOID *)&dsb->hwbuf);
1251         if (hres != DS_OK) {
1252             TRACE("IDsDriver_DuplicateSoundBuffer failed, falling back to "
1253                   "software buffer\n");
1254             dsb->hwbuf = NULL;
1255             /* allocate buffer */
1256             if (device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
1257                 dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
1258                 if (dsb->buffer == NULL) {
1259                     WARN("out of memory\n");
1260                     HeapFree(GetProcessHeap(),0,dsb);
1261                     *ppdsb = NULL;
1262                     return DSERR_OUTOFMEMORY;
1263                 }
1264
1265                 dsb->buffer->memory = HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1266                 if (dsb->buffer->memory == NULL) {
1267                     WARN("out of memory\n");
1268                     HeapFree(GetProcessHeap(),0,dsb->buffer);
1269                     HeapFree(GetProcessHeap(),0,dsb);
1270                     *ppdsb = NULL;
1271                     return DSERR_OUTOFMEMORY;
1272                 }
1273                 dsb->buffer->ref = 1;
1274
1275                 /* FIXME: copy buffer ? */
1276             }
1277         }
1278     } else {
1279         dsb->hwbuf = NULL;
1280         dsb->buffer->ref++;
1281     }
1282
1283     dsb->ref = 0;
1284     dsb->state = STATE_STOPPED;
1285     dsb->playpos = 0;
1286     dsb->buf_mixpos = 0;
1287     dsb->device = device;
1288     dsb->ds3db = NULL;
1289     dsb->iks = NULL; /* FIXME? */
1290     dsb->secondary = NULL;
1291
1292     /* variable sized struct so calculate size based on format */
1293     size = sizeof(WAVEFORMATEX) + pdsb->pwfx->cbSize;
1294
1295     dsb->pwfx = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,size);
1296     if (dsb->pwfx == NULL) {
1297             WARN("out of memory\n");
1298             HeapFree(GetProcessHeap(),0,dsb->buffer);
1299             HeapFree(GetProcessHeap(),0,dsb);
1300             *ppdsb = NULL;
1301             return DSERR_OUTOFMEMORY;
1302     }
1303
1304     CopyMemory(dsb->pwfx, pdsb->pwfx, size);
1305
1306     InitializeCriticalSection(&(dsb->lock));
1307     dsb->lock.DebugInfo->Spare[0] = (DWORD_PTR)"DSOUNDBUFFER_lock";
1308
1309     /* register buffer */
1310     hres = DirectSoundDevice_AddBuffer(device, dsb);
1311     if (hres != DS_OK) {
1312         dsb->lock.DebugInfo->Spare[0] = 0;
1313         DeleteCriticalSection(&(dsb->lock));
1314         HeapFree(GetProcessHeap(),0,dsb->buffer);
1315         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1316         HeapFree(GetProcessHeap(),0,dsb);
1317         *ppdsb = 0;
1318     }
1319
1320     *ppdsb = dsb;
1321     return hres;
1322 }
1323
1324 /*******************************************************************************
1325  *              SecondaryBuffer
1326  */
1327
1328 static HRESULT WINAPI SecondaryBufferImpl_QueryInterface(
1329         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj)
1330 {
1331         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1332         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
1333
1334         return IDirectSoundBufferImpl_QueryInterface((LPDIRECTSOUNDBUFFER8)This->dsb,riid,ppobj);
1335 }
1336
1337 static ULONG WINAPI SecondaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
1338 {
1339     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1340     ULONG ref = InterlockedIncrement(&(This->ref));
1341     TRACE("(%p) ref was %ld\n", This, ref - 1);
1342     return ref;
1343 }
1344
1345 static ULONG WINAPI SecondaryBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
1346 {
1347     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1348     ULONG ref;
1349     TRACE("(%p)\n", This);
1350     ref = InterlockedDecrement(&(This->ref));
1351     TRACE("ref was %ld\n", ref + 1);
1352
1353     if (!ref) {
1354         This->dsb->secondary = NULL;
1355         IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER8)This->dsb);
1356         HeapFree(GetProcessHeap(), 0, This);
1357         TRACE("(%p) released\n", This);
1358     }
1359     return ref;
1360 }
1361
1362 static HRESULT WINAPI SecondaryBufferImpl_GetCaps(
1363         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps)
1364 {
1365         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1366         TRACE("(%p)->(%p)\n",This,caps);
1367
1368         return IDirectSoundBufferImpl_GetCaps((LPDIRECTSOUNDBUFFER8)This->dsb,caps);
1369 }
1370
1371 static HRESULT WINAPI SecondaryBufferImpl_GetCurrentPosition(
1372         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos)
1373 {
1374         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1375         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
1376
1377         return IDirectSoundBufferImpl_GetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,playpos,writepos);
1378 }
1379
1380 static HRESULT WINAPI SecondaryBufferImpl_GetFormat(
1381         LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX lpwf,DWORD wfsize,LPDWORD wfwritten)
1382 {
1383         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1384         TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
1385
1386         return IDirectSoundBufferImpl_GetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,lpwf,wfsize,wfwritten);
1387 }
1388
1389 static HRESULT WINAPI SecondaryBufferImpl_GetVolume(
1390         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol)
1391 {
1392         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1393         TRACE("(%p,%p)\n",This,vol);
1394
1395         return IDirectSoundBufferImpl_GetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1396 }
1397
1398 static HRESULT WINAPI SecondaryBufferImpl_GetPan(
1399         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan)
1400 {
1401         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1402         TRACE("(%p,%p)\n",This,pan);
1403
1404         return IDirectSoundBufferImpl_GetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1405 }
1406
1407 static HRESULT WINAPI SecondaryBufferImpl_GetFrequency(
1408         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq)
1409 {
1410         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1411         TRACE("(%p,%p)\n",This,freq);
1412
1413         return IDirectSoundBufferImpl_GetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1414 }
1415
1416 static HRESULT WINAPI SecondaryBufferImpl_GetStatus(
1417         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status)
1418 {
1419         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1420         TRACE("(%p,%p)\n",This,status);
1421
1422         return IDirectSoundBufferImpl_GetStatus((LPDIRECTSOUNDBUFFER8)This->dsb,status);
1423 }
1424
1425 static HRESULT WINAPI SecondaryBufferImpl_Initialize(
1426         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd)
1427 {
1428         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1429         TRACE("(%p,%p,%p)\n",This,dsound,dbsd);
1430
1431         return IDirectSoundBufferImpl_Initialize((LPDIRECTSOUNDBUFFER8)This->dsb,dsound,dbsd);
1432 }
1433
1434 static HRESULT WINAPI SecondaryBufferImpl_Lock(
1435     LPDIRECTSOUNDBUFFER8 iface,
1436     DWORD writecursor,
1437     DWORD writebytes,
1438     LPVOID lplpaudioptr1,
1439     LPDWORD audiobytes1,
1440     LPVOID lplpaudioptr2,
1441     LPDWORD audiobytes2,
1442     DWORD dwFlags)
1443 {
1444     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1445     TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx)\n",
1446         This,writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1447
1448     return IDirectSoundBufferImpl_Lock((LPDIRECTSOUNDBUFFER8)This->dsb,
1449         writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1450 }
1451
1452 static HRESULT WINAPI SecondaryBufferImpl_Play(
1453         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags)
1454 {
1455         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1456         TRACE("(%p,%08lx,%08lx,%08lx)\n",This,reserved1,reserved2,flags);
1457
1458         return IDirectSoundBufferImpl_Play((LPDIRECTSOUNDBUFFER8)This->dsb,reserved1,reserved2,flags);
1459 }
1460
1461 static HRESULT WINAPI SecondaryBufferImpl_SetCurrentPosition(
1462         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos)
1463 {
1464         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1465         TRACE("(%p,%ld)\n",This,newpos);
1466
1467         return IDirectSoundBufferImpl_SetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,newpos);
1468 }
1469
1470 static HRESULT WINAPI SecondaryBufferImpl_SetFormat(
1471         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex)
1472 {
1473         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1474         TRACE("(%p,%p)\n",This,wfex);
1475
1476         return IDirectSoundBufferImpl_SetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,wfex);
1477 }
1478
1479 static HRESULT WINAPI SecondaryBufferImpl_SetVolume(
1480         LPDIRECTSOUNDBUFFER8 iface,LONG vol)
1481 {
1482         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1483         TRACE("(%p,%ld)\n",This,vol);
1484
1485         return IDirectSoundBufferImpl_SetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1486 }
1487
1488 static HRESULT WINAPI SecondaryBufferImpl_SetPan(
1489         LPDIRECTSOUNDBUFFER8 iface,LONG pan)
1490 {
1491         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1492         TRACE("(%p,%ld)\n",This,pan);
1493
1494         return IDirectSoundBufferImpl_SetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1495 }
1496
1497 static HRESULT WINAPI SecondaryBufferImpl_SetFrequency(
1498         LPDIRECTSOUNDBUFFER8 iface,DWORD freq)
1499 {
1500         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1501         TRACE("(%p,%ld)\n",This,freq);
1502
1503         return IDirectSoundBufferImpl_SetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1504 }
1505
1506 static HRESULT WINAPI SecondaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
1507 {
1508         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1509         TRACE("(%p)\n",This);
1510
1511         return IDirectSoundBufferImpl_Stop((LPDIRECTSOUNDBUFFER8)This->dsb);
1512 }
1513
1514 static HRESULT WINAPI SecondaryBufferImpl_Unlock(
1515     LPDIRECTSOUNDBUFFER8 iface,
1516     LPVOID lpvAudioPtr1,
1517     DWORD dwAudioBytes1,
1518     LPVOID lpvAudioPtr2,
1519     DWORD dwAudioBytes2)
1520 {
1521     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1522     TRACE("(%p,%p,%ld,%p,%ld)\n",
1523         This, lpvAudioPtr1, dwAudioBytes1, lpvAudioPtr2, dwAudioBytes2);
1524
1525     return IDirectSoundBufferImpl_Unlock((LPDIRECTSOUNDBUFFER8)This->dsb,
1526         lpvAudioPtr1,dwAudioBytes1,lpvAudioPtr2,dwAudioBytes2);
1527 }
1528
1529 static HRESULT WINAPI SecondaryBufferImpl_Restore(
1530         LPDIRECTSOUNDBUFFER8 iface)
1531 {
1532         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1533         TRACE("(%p)\n",This);
1534
1535         return IDirectSoundBufferImpl_Restore((LPDIRECTSOUNDBUFFER8)This->dsb);
1536 }
1537
1538 static HRESULT WINAPI SecondaryBufferImpl_SetFX(
1539         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes)
1540 {
1541         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1542         TRACE("(%p,%lu,%p,%p)\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1543
1544         return IDirectSoundBufferImpl_SetFX((LPDIRECTSOUNDBUFFER8)This->dsb,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1545 }
1546
1547 static HRESULT WINAPI SecondaryBufferImpl_AcquireResources(
1548         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes)
1549 {
1550         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1551         TRACE("(%p,%08lu,%lu,%p)\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
1552
1553         return IDirectSoundBufferImpl_AcquireResources((LPDIRECTSOUNDBUFFER8)This->dsb,dwFlags,dwEffectsCount,pdwResultCodes);
1554 }
1555
1556 static HRESULT WINAPI SecondaryBufferImpl_GetObjectInPath(
1557         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject)
1558 {
1559         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1560         TRACE("(%p,%s,%lu,%s,%p)\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
1561
1562         return IDirectSoundBufferImpl_GetObjectInPath((LPDIRECTSOUNDBUFFER8)This->dsb,rguidObject,dwIndex,rguidInterface,ppObject);
1563 }
1564
1565 static const IDirectSoundBuffer8Vtbl sbvt =
1566 {
1567         SecondaryBufferImpl_QueryInterface,
1568         SecondaryBufferImpl_AddRef,
1569         SecondaryBufferImpl_Release,
1570         SecondaryBufferImpl_GetCaps,
1571         SecondaryBufferImpl_GetCurrentPosition,
1572         SecondaryBufferImpl_GetFormat,
1573         SecondaryBufferImpl_GetVolume,
1574         SecondaryBufferImpl_GetPan,
1575         SecondaryBufferImpl_GetFrequency,
1576         SecondaryBufferImpl_GetStatus,
1577         SecondaryBufferImpl_Initialize,
1578         SecondaryBufferImpl_Lock,
1579         SecondaryBufferImpl_Play,
1580         SecondaryBufferImpl_SetCurrentPosition,
1581         SecondaryBufferImpl_SetFormat,
1582         SecondaryBufferImpl_SetVolume,
1583         SecondaryBufferImpl_SetPan,
1584         SecondaryBufferImpl_SetFrequency,
1585         SecondaryBufferImpl_Stop,
1586         SecondaryBufferImpl_Unlock,
1587         SecondaryBufferImpl_Restore,
1588         SecondaryBufferImpl_SetFX,
1589         SecondaryBufferImpl_AcquireResources,
1590         SecondaryBufferImpl_GetObjectInPath
1591 };
1592
1593 HRESULT SecondaryBufferImpl_Create(
1594         IDirectSoundBufferImpl *dsb,
1595         SecondaryBufferImpl **psb)
1596 {
1597         SecondaryBufferImpl *sb;
1598         TRACE("(%p,%p)\n",dsb,psb);
1599
1600         sb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*sb));
1601
1602         if (sb == 0) {
1603                 WARN("out of memory\n");
1604                 *psb = NULL;
1605                 return DSERR_OUTOFMEMORY;
1606         }
1607         sb->ref = 0;
1608         sb->dsb = dsb;
1609         sb->lpVtbl = &sbvt;
1610
1611         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)dsb);
1612         *psb = sb;
1613         return S_OK;
1614 }
1615
1616 HRESULT SecondaryBufferImpl_Destroy(
1617     SecondaryBufferImpl *pdsb)
1618 {
1619     TRACE("(%p)\n",pdsb);
1620
1621     while (SecondaryBufferImpl_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1622
1623     return S_OK;
1624 }