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   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 static HRESULT SecondaryBufferImpl_Destroy(SecondaryBufferImpl *pdsb);
  40
  41 /*******************************************************************************
  42  *              IDirectSoundNotify
  43  */
  44
  45 struct IDirectSoundNotifyImpl
  46 {
  47     /* IUnknown fields */
  48     const IDirectSoundNotifyVtbl *lpVtbl;
  49     LONG                        ref;
  50     IDirectSoundBufferImpl*     dsb;
  51 };
  52
  53 static HRESULT IDirectSoundNotifyImpl_Create(IDirectSoundBufferImpl *dsb,
  54                                              IDirectSoundNotifyImpl **pdsn);
  55 static HRESULT IDirectSoundNotifyImpl_Destroy(IDirectSoundNotifyImpl *pdsn);
  56
  57 static HRESULT WINAPI IDirectSoundNotifyImpl_QueryInterface(
  58         LPDIRECTSOUNDNOTIFY iface,REFIID riid,LPVOID *ppobj
  59 ) {
  60         IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  61         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
  62
  63         if (This->dsb == NULL) {
  64                 WARN("invalid parameter\n");
  65                 return E_INVALIDARG;
  66         }
  67
  68         return IDirectSoundBuffer_QueryInterface((LPDIRECTSOUNDBUFFER)This->dsb, riid, ppobj);
  69 }
  70
  71 static ULONG WINAPI IDirectSoundNotifyImpl_AddRef(LPDIRECTSOUNDNOTIFY iface)
  72 {
  73     IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  74     ULONG ref = InterlockedIncrement(&(This->ref));
  75     TRACE("(%p) ref was %d\n", This, ref - 1);
  76     return ref;
  77 }
  78
  79 static ULONG WINAPI IDirectSoundNotifyImpl_Release(LPDIRECTSOUNDNOTIFY iface)
  80 {
  81     IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  82     ULONG ref = InterlockedDecrement(&(This->ref));
  83     TRACE("(%p) ref was %d\n", This, ref + 1);
  84
  85     if (!ref) {
  86         IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER)This->dsb);
  87         This->dsb->notify = NULL;
  88         HeapFree(GetProcessHeap(), 0, This);
  89         TRACE("(%p) released\n", This);
  90     }
  91     return ref;
  92 }
  93
  94 static HRESULT WINAPI IDirectSoundNotifyImpl_SetNotificationPositions(
  95         LPDIRECTSOUNDNOTIFY iface,DWORD howmuch,LPCDSBPOSITIONNOTIFY notify
  96 ) {
  97         IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  98         TRACE("(%p,0x%08x,%p)\n",This,howmuch,notify);
  99
 100         if (howmuch > 0 && notify == NULL) {
 101             WARN("invalid parameter: notify == NULL\n");
 102             return DSERR_INVALIDPARAM;
 103         }
 104
 105         if (TRACE_ON(dsound)) {
 106             unsigned int        i;
 107             for (i=0;i<howmuch;i++)
 108                 TRACE("notify at %d to %p\n",
 109                     notify[i].dwOffset,notify[i].hEventNotify);
 110         }
 111
 112         if (This->dsb->hwnotify) {
 113             HRESULT hres;
 114             hres = IDsDriverNotify_SetNotificationPositions(This->dsb->hwnotify, howmuch, notify);
 115             if (hres != DS_OK)
 116                     WARN("IDsDriverNotify_SetNotificationPositions failed\n");
 117             return hres;
 118         } else if (howmuch > 0) {
 119             /* Make an internal copy of the caller-supplied array.
 120              * Replace the existing copy if one is already present. */
 121             if (This->dsb->notifies)
 122                     This->dsb->notifies = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 123                         This->dsb->notifies, howmuch * sizeof(DSBPOSITIONNOTIFY));
 124             else
 125                     This->dsb->notifies = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 126                         howmuch * sizeof(DSBPOSITIONNOTIFY));
 127
 128             if (This->dsb->notifies == NULL) {
 129                     WARN("out of memory\n");
 130                     return DSERR_OUTOFMEMORY;
 131             }
 132             CopyMemory(This->dsb->notifies, notify, howmuch * sizeof(DSBPOSITIONNOTIFY));
 133             This->dsb->nrofnotifies = howmuch;
 134         } else {
 135            HeapFree(GetProcessHeap(), 0, This->dsb->notifies);
 136            This->dsb->notifies = NULL;
 137            This->dsb->nrofnotifies = 0;
 138         }
 139
 140         return S_OK;
 141 }
 142
 143 static const IDirectSoundNotifyVtbl dsnvt =
 144 {
 145     IDirectSoundNotifyImpl_QueryInterface,
 146     IDirectSoundNotifyImpl_AddRef,
 147     IDirectSoundNotifyImpl_Release,
 148     IDirectSoundNotifyImpl_SetNotificationPositions,
 149 };
 150
 151 static HRESULT IDirectSoundNotifyImpl_Create(
 152     IDirectSoundBufferImpl * dsb,
 153     IDirectSoundNotifyImpl **pdsn)
 154 {
 155     IDirectSoundNotifyImpl * dsn;
 156     TRACE("(%p,%p)\n",dsb,pdsn);
 157
 158     dsn = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(dsn));
 159
 160     if (dsn == NULL) {
 161         WARN("out of memory\n");
 162         return DSERR_OUTOFMEMORY;
 163     }
 164
 165     dsn->ref = 0;
 166     dsn->lpVtbl = &dsnvt;
 167     dsn->dsb = dsb;
 168     dsb->notify = dsn;
 169     IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)dsb);
 170
 171     *pdsn = dsn;
 172     return DS_OK;
 173 }
 174
 175 static HRESULT IDirectSoundNotifyImpl_Destroy(
 176     IDirectSoundNotifyImpl *pdsn)
 177 {
 178     TRACE("(%p)\n",pdsn);
 179
 180     while (IDirectSoundNotifyImpl_Release((LPDIRECTSOUNDNOTIFY)pdsn) > 0);
 181
 182     return DS_OK;
 183 }
 184
 185 /*******************************************************************************
 186  *              IDirectSoundBuffer
 187  */
 188
 189 static HRESULT WINAPI IDirectSoundBufferImpl_SetFormat(
 190         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex
 191 ) {
 192         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 193
 194         TRACE("(%p,%p)\n",This,wfex);
 195         /* This method is not available on secondary buffers */
 196         WARN("invalid call\n");
 197         return DSERR_INVALIDCALL;
 198 }
 199
 200 static HRESULT WINAPI IDirectSoundBufferImpl_SetVolume(
 201         LPDIRECTSOUNDBUFFER8 iface,LONG vol
 202 ) {
 203         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 204         LONG oldVol;
 205         HRESULT hres = DS_OK;
 206
 207         TRACE("(%p,%d)\n",This,vol);
 208
 209         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 210                 WARN("control unavailable: This->dsbd.dwFlags = 0x%08x\n", This->dsbd.dwFlags);
 211                 return DSERR_CONTROLUNAVAIL;
 212         }
 213
 214         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 215                 WARN("invalid parameter: vol = %d\n", vol);
 216                 return DSERR_INVALIDPARAM;
 217         }
 218
 219         /* **** */
 220         EnterCriticalSection(&(This->lock));
 221
 222         if (This->dsbd.dwFlags & DSBCAPS_CTRL3D) {
 223                 oldVol = This->ds3db_lVolume;
 224                 This->ds3db_lVolume = vol;
 225         } else {
 226                 oldVol = This->volpan.lVolume;
 227                 This->volpan.lVolume = vol;
 228                 if (vol != oldVol)
 229                         DSOUND_RecalcVolPan(&(This->volpan));
 230         }
 231
 232         if (vol != oldVol) {
 233                 if (This->hwbuf) {
 234                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
 235                         if (hres != DS_OK)
 236                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
 237                 } else
 238                         DSOUND_ForceRemix(This);
 239         }
 240
 241         LeaveCriticalSection(&(This->lock));
 242         /* **** */
 243
 244         return hres;
 245 }
 246
 247 static HRESULT WINAPI IDirectSoundBufferImpl_GetVolume(
 248         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol
 249 ) {
 250         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 251         TRACE("(%p,%p)\n",This,vol);
 252
 253         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 254                 WARN("control unavailable\n");
 255                 return DSERR_CONTROLUNAVAIL;
 256         }
 257
 258         if (vol == NULL) {
 259                 WARN("invalid parameter: vol == NULL\n");
 260                 return DSERR_INVALIDPARAM;
 261         }
 262
 263         *vol = This->volpan.lVolume;
 264
 265         return DS_OK;
 266 }
 267
 268 static HRESULT WINAPI IDirectSoundBufferImpl_SetFrequency(
 269         LPDIRECTSOUNDBUFFER8 iface,DWORD freq
 270 ) {
 271         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 272         DWORD oldFreq;
 273
 274         TRACE("(%p,%d)\n",This,freq);
 275
 276         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
 277                 WARN("control unavailable\n");
 278                 return DSERR_CONTROLUNAVAIL;
 279         }
 280
 281         if (freq == DSBFREQUENCY_ORIGINAL)
 282                 freq = This->pwfx->nSamplesPerSec;
 283
 284         if ((freq < DSBFREQUENCY_MIN) || (freq > DSBFREQUENCY_MAX)) {
 285                 WARN("invalid parameter: freq = %d\n", freq);
 286                 return DSERR_INVALIDPARAM;
 287         }
 288
 289         /* **** */
 290         EnterCriticalSection(&(This->lock));
 291
 292         oldFreq = This->freq;
 293         This->freq = freq;
 294         if (freq != oldFreq) {
 295                 This->freqAdjust = (freq << DSOUND_FREQSHIFT) / This->device->pwfx->nSamplesPerSec;
 296                 This->nAvgBytesPerSec = freq * This->pwfx->nBlockAlign;
 297                 DSOUND_RecalcFormat(This);
 298                 if (!This->hwbuf)
 299                         DSOUND_ForceRemix(This);
 300         }
 301
 302         LeaveCriticalSection(&(This->lock));
 303         /* **** */
 304
 305         return DS_OK;
 306 }
 307
 308 static HRESULT WINAPI IDirectSoundBufferImpl_Play(
 309         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags
 310 ) {
 311         HRESULT hres = DS_OK;
 312         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 313         TRACE("(%p,%08x,%08x,%08x)\n",This,reserved1,reserved2,flags);
 314
 315         /* **** */
 316         EnterCriticalSection(&(This->lock));
 317
 318         This->playflags = flags;
 319         if (This->state == STATE_STOPPED) {
 320                 This->leadin = TRUE;
 321                 This->startpos = This->buf_mixpos;
 322                 This->state = STATE_STARTING;
 323         } else if (This->state == STATE_STOPPING)
 324                 This->state = STATE_PLAYING;
 325         if (This->hwbuf) {
 326                 hres = IDsDriverBuffer_Play(This->hwbuf, 0, 0, This->playflags);
 327                 if (hres != DS_OK)
 328                         WARN("IDsDriverBuffer_Play failed\n");
 329                 else
 330                         This->state = STATE_PLAYING;
 331         }
 332
 333         LeaveCriticalSection(&(This->lock));
 334         /* **** */
 335
 336         return hres;
 337 }
 338
 339 static HRESULT WINAPI IDirectSoundBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
 340 {
 341         HRESULT hres = DS_OK;
 342         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 343         TRACE("(%p)\n",This);
 344
 345         /* **** */
 346         EnterCriticalSection(&(This->lock));
 347
 348         if (This->state == STATE_PLAYING)
 349                 This->state = STATE_STOPPING;
 350         else if (This->state == STATE_STARTING)
 351                 This->state = STATE_STOPPED;
 352         if (This->hwbuf) {
 353                 hres = IDsDriverBuffer_Stop(This->hwbuf);
 354                 if (hres != DS_OK)
 355                         WARN("IDsDriverBuffer_Stop failed\n");
 356                 else
 357                         This->state = STATE_STOPPED;
 358         }
 359         DSOUND_CheckEvent(This, 0);
 360
 361         LeaveCriticalSection(&(This->lock));
 362         /* **** */
 363
 364         return hres;
 365 }
 366
 367 static ULONG WINAPI IDirectSoundBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
 368 {
 369     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 370     ULONG ref = InterlockedIncrement(&(This->ref));
 371     TRACE("(%p) ref was %d\n", This, ref - 1);
 372     return ref;
 373 }
 374
 375 static ULONG WINAPI IDirectSoundBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
 376 {
 377     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 378     ULONG ref = InterlockedDecrement(&(This->ref));
 379     TRACE("(%p) ref was %d\n", This, ref + 1);
 380
 381     if (!ref) {
 382         DirectSoundDevice_RemoveBuffer(This->device, This);
 383
 384         This->lock.DebugInfo->Spare[0] = 0;
 385         DeleteCriticalSection(&(This->lock));
 386
 387         if (This->hwbuf) {
 388                 IDsDriverBuffer_Release(This->hwbuf);
 389                 if (This->device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
 390                         This->buffer->ref--;
 391                         if (This->buffer->ref==0) {
 392                                 HeapFree(GetProcessHeap(),0,This->buffer->memory);
 393                                 HeapFree(GetProcessHeap(),0,This->buffer);
 394                         }
 395                 }
 396         } else {
 397                 This->buffer->ref--;
 398                 if (This->buffer->ref==0) {
 399                         HeapFree(GetProcessHeap(),0,This->buffer->memory);
 400                         HeapFree(GetProcessHeap(),0,This->buffer);
 401                 }
 402         }
 403
 404         HeapFree(GetProcessHeap(), 0, This->notifies);
 405         HeapFree(GetProcessHeap(), 0, This->pwfx);
 406         HeapFree(GetProcessHeap(), 0, This);
 407
 408         TRACE("(%p) released\n", This);
 409     }
 410     return ref;
 411 }
 412
 413 DWORD DSOUND_CalcPlayPosition(IDirectSoundBufferImpl *This, DWORD pplay, DWORD pwrite)
 414 {
 415         DWORD bplay = This->buf_mixpos;
 416         DWORD pmix = This->primary_mixpos;
 417         DirectSoundDevice * device = This->device;
 418         TRACE("(%p, pplay=%u, pwrite=%u)\n", This, pplay, pwrite);
 419
 420         /* the actual primary play position (pplay) is always behind last mixed (pmix),
 421          * unless the computer is too slow or something */
 422         /* we need to know how far away we are from there */
 423         if (pmix < pplay) pmix += device->buflen; /* wraparound */
 424         pmix -= pplay;
 425         /* detect buffer underrun */
 426         if (pwrite < pplay) pwrite += device->buflen; /* wraparound */
 427         pwrite -= pplay;
 428         if (pmix > (ds_snd_queue_max * device->fraglen + pwrite + device->writelead)) {
 429                 WARN("detected an underrun: primary queue was %d\n",pmix);
 430                 pmix = 0;
 431         }
 432         /* divide the offset by its sample size */
 433         pmix /= device->pwfx->nBlockAlign;
 434         TRACE("primary back-samples=%d\n",pmix);
 435         /* adjust for our frequency */
 436         pmix = (pmix * This->freqAdjust) >> DSOUND_FREQSHIFT;
 437         /* multiply by our own sample size */
 438         pmix *= This->pwfx->nBlockAlign;
 439         TRACE("this back-offset=%d\n", pmix);
 440         /* subtract from our last mixed position */
 441         while (bplay < pmix) bplay += This->buflen; /* wraparound */
 442         bplay -= pmix;
 443         if (This->leadin && ((bplay < This->startpos) || (bplay > This->buf_mixpos))) {
 444                 /* seems we haven't started playing yet */
 445                 TRACE("this still in lead-in phase\n");
 446                 bplay = This->startpos;
 447         }
 448         /* return the result */
 449         return bplay;
 450 }
 451
 452 static HRESULT WINAPI IDirectSoundBufferImpl_GetCurrentPosition(
 453         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos
 454 ) {
 455         HRESULT hres;
 456         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 457         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
 458         if (This->hwbuf) {
 459                 hres=IDsDriverBuffer_GetPosition(This->hwbuf,playpos,writepos);
 460                 if (hres != DS_OK) {
 461                     WARN("IDsDriverBuffer_GetPosition failed\n");
 462                     return hres;
 463                 }
 464         } else {
 465                 if (playpos && (This->state != STATE_PLAYING)) {
 466                         /* we haven't been merged into the primary buffer (yet) */
 467                         *playpos = This->buf_mixpos;
 468                 } else if (playpos) {
 469                         DWORD pplay, pwrite;
 470                         /* let's get this exact; first, recursively call GetPosition on the primary */
 471                         EnterCriticalSection(&(This->device->mixlock));
 472                         if (DSOUND_PrimaryGetPosition(This->device, &pplay, &pwrite) != DS_OK)
 473                                 WARN("DSOUND_PrimaryGetPosition failed\n");
 474                         /* detect HEL mode underrun */
 475                         if (!(This->device->hwbuf || This->device->pwqueue))
 476                                 TRACE("detected an underrun\n");
 477                         if ((This->dsbd.dwFlags & DSBCAPS_GETCURRENTPOSITION2) || This->device->hwbuf) {
 478                                 /* calculate play position using this */
 479                                 *playpos = DSOUND_CalcPlayPosition(This, pplay, pwrite);
 480                         } else {
 481                                 /* (unless the app isn't using GETCURRENTPOSITION2) */
 482                                 /* don't know exactly how this should be handled...
 483                                  * the docs says that play cursor is reported as directly
 484                                  * behind write cursor, hmm... */
 485                                 /* let's just do what might work for Half-Life */
 486                                 DWORD wp;
 487                                 wp = (This->device->pwplay + ds_hel_margin) * This->device->fraglen;
 488                                 wp %= This->device->buflen;
 489                                 *playpos = DSOUND_CalcPlayPosition(This, wp, pwrite);
 490                         }
 491                         LeaveCriticalSection(&(This->device->mixlock));
 492                 }
 493                 if (writepos)
 494                     *writepos = This->buf_mixpos;
 495         }
 496         if (writepos) {
 497                 if (This->state != STATE_STOPPED) {
 498                         /* apply the documented 10ms lead to writepos */
 499                         *writepos += This->writelead;
 500                 }
 501                 *writepos %= This->buflen;
 502         }
 503         if (playpos)
 504             This->last_playpos = *playpos;
 505         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, This, GetTickCount());
 506         return DS_OK;
 507 }
 508
 509 static HRESULT WINAPI IDirectSoundBufferImpl_GetStatus(
 510         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status
 511 ) {
 512         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 513         TRACE("(%p,%p), thread is %04x\n",This,status,GetCurrentThreadId());
 514
 515         if (status == NULL) {
 516                 WARN("invalid parameter: status = NULL\n");
 517                 return DSERR_INVALIDPARAM;
 518         }
 519
 520         *status = 0;
 521         if ((This->state == STATE_STARTING) || (This->state == STATE_PLAYING)) {
 522                 *status |= DSBSTATUS_PLAYING;
 523                 if (This->playflags & DSBPLAY_LOOPING)
 524                         *status |= DSBSTATUS_LOOPING;
 525         }
 526
 527         TRACE("status=%x\n", *status);
 528         return DS_OK;
 529 }
 530
 531
 532 static HRESULT WINAPI IDirectSoundBufferImpl_GetFormat(
 533     LPDIRECTSOUNDBUFFER8 iface,
 534     LPWAVEFORMATEX lpwf,
 535     DWORD wfsize,
 536     LPDWORD wfwritten)
 537 {
 538     DWORD size;
 539     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 540     TRACE("(%p,%p,%d,%p)\n",This,lpwf,wfsize,wfwritten);
 541
 542     size = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
 543
 544     if (lpwf) { /* NULL is valid */
 545         if (wfsize >= size) {
 546             CopyMemory(lpwf,This->pwfx,size);
 547             if (wfwritten)
 548                 *wfwritten = size;
 549         } else {
 550             WARN("invalid parameter: wfsize too small\n");
 551             if (wfwritten)
 552                 *wfwritten = 0;
 553             return DSERR_INVALIDPARAM;
 554         }
 555     } else {
 556         if (wfwritten)
 557             *wfwritten = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
 558         else {
 559             WARN("invalid parameter: wfwritten == NULL\n");
 560             return DSERR_INVALIDPARAM;
 561         }
 562     }
 563
 564     return DS_OK;
 565 }
 566
 567 static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
 568         LPDIRECTSOUNDBUFFER8 iface,DWORD writecursor,DWORD writebytes,LPVOID lplpaudioptr1,LPDWORD audiobytes1,LPVOID lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 569 ) {
 570         HRESULT hres = DS_OK;
 571         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 572
 573         TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x) at %d\n",
 574                 This,
 575                 writecursor,
 576                 writebytes,
 577                 lplpaudioptr1,
 578                 audiobytes1,
 579                 lplpaudioptr2,
 580                 audiobytes2,
 581                 flags,
 582                 GetTickCount()
 583         );
 584
 585         /* when this flag is set, writecursor is meaningless and must be calculated */
 586         if (flags & DSBLOCK_FROMWRITECURSOR) {
 587                 /* GetCurrentPosition does too much magic to duplicate here */
 588                 hres = IDirectSoundBufferImpl_GetCurrentPosition(iface, NULL, &writecursor);
 589                 if (hres != DS_OK) {
 590                         WARN("IDirectSoundBufferImpl_GetCurrentPosition failed\n");
 591                         return hres;
 592                 }
 593         }
 594
 595         /* when this flag is set, writebytes is meaningless and must be set */
 596         if (flags & DSBLOCK_ENTIREBUFFER)
 597                 writebytes = This->buflen;
 598
 599         if (writecursor >= This->buflen) {
 600                 WARN("Invalid parameter, writecursor: %u >= buflen: %u\n",
 601                      writecursor, This->buflen);
 602                 return DSERR_INVALIDPARAM;
 603         }
 604
 605         if (writebytes > This->buflen) {
 606                 WARN("Invalid parameter, writebytes: %u > buflen: %u\n",
 607                      writebytes, This->buflen);
 608                 return DSERR_INVALIDPARAM;
 609         }
 610
 611         EnterCriticalSection(&(This->lock));
 612
 613         if ((writebytes == This->buflen) &&
 614             ((This->state == STATE_STARTING) ||
 615              (This->state == STATE_PLAYING)))
 616                 /* some games, like Half-Life, try to be clever (not) and
 617                  * keep one secondary buffer, and mix sounds into it itself,
 618                  * locking the entire buffer every time... so we can just forget
 619                  * about tracking the last-written-to-position... */
 620                 This->probably_valid_to = (DWORD)-1;
 621         else
 622                 This->probably_valid_to = writecursor;
 623
 624         if (!(This->device->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 625                 hres = IDsDriverBuffer_Lock(This->hwbuf,
 626                                      lplpaudioptr1, audiobytes1,
 627                                      lplpaudioptr2, audiobytes2,
 628                                      writecursor, writebytes,
 629                                      0);
 630                 if (hres != DS_OK) {
 631                         WARN("IDsDriverBuffer_Lock failed\n");
 632                         LeaveCriticalSection(&(This->lock));
 633                         return hres;
 634                 }
 635         } else {
 636                 BOOL remix = FALSE;
 637                 if (writecursor+writebytes <= This->buflen) {
 638                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 639                         *audiobytes1 = writebytes;
 640                         if (lplpaudioptr2)
 641                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 642                         if (audiobytes2)
 643                                 *audiobytes2 = 0;
 644                         TRACE("->%d.0\n",writebytes);
 645                 } else {
 646                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 647                         *audiobytes1 = This->buflen-writecursor;
 648                         if (lplpaudioptr2)
 649                                 *(LPBYTE*)lplpaudioptr2 = This->buffer->memory;
 650                         if (audiobytes2)
 651                                 *audiobytes2 = writebytes-(This->buflen-writecursor);
 652                         TRACE("->%d.%d\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 653                 }
 654                 if (This->state == STATE_PLAYING) {
 655                         /* if the segment between playpos and buf_mixpos is touched,
 656                          * we need to cancel some mixing */
 657                         /* we'll assume that the app always calls GetCurrentPosition before
 658                          * locking a playing buffer, so that last_playpos is up-to-date */
 659                         if (This->buf_mixpos >= This->last_playpos) {
 660                                 if (This->buf_mixpos > writecursor &&
 661                                     This->last_playpos < writecursor+writebytes)
 662                                         remix = TRUE;
 663                         } else {
 664                                 if (This->buf_mixpos > writecursor ||
 665                                     This->last_playpos < writecursor+writebytes)
 666                                         remix = TRUE;
 667                         }
 668                         if (remix) {
 669                                 TRACE("locking prebuffered region, ouch\n");
 670                                 DSOUND_MixCancelAt(This, writecursor);
 671                         }
 672                 }
 673         }
 674
 675         LeaveCriticalSection(&(This->lock));
 676
 677         return DS_OK;
 678 }
 679
 680 static HRESULT WINAPI IDirectSoundBufferImpl_SetCurrentPosition(
 681         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos
 682 ) {
 683         HRESULT hres = DS_OK;
 684         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 685         TRACE("(%p,%d)\n",This,newpos);
 686
 687         /* **** */
 688         EnterCriticalSection(&(This->lock));
 689
 690         newpos %= This->buflen;
 691         This->buf_mixpos = newpos;
 692         if (This->hwbuf) {
 693                 hres = IDsDriverBuffer_SetPosition(This->hwbuf, This->buf_mixpos);
 694                 if (hres != DS_OK)
 695                         WARN("IDsDriverBuffer_SetPosition failed\n");
 696         }
 697
 698         LeaveCriticalSection(&(This->lock));
 699         /* **** */
 700
 701         return hres;
 702 }
 703
 704 static HRESULT WINAPI IDirectSoundBufferImpl_SetPan(
 705         LPDIRECTSOUNDBUFFER8 iface,LONG pan
 706 ) {
 707         HRESULT hres = DS_OK;
 708         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 709
 710         TRACE("(%p,%d)\n",This,pan);
 711
 712         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 713                 WARN("invalid parameter: pan = %d\n", pan);
 714                 return DSERR_INVALIDPARAM;
 715         }
 716
 717         /* You cannot use both pan and 3D controls */
 718         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN) ||
 719             (This->dsbd.dwFlags & DSBCAPS_CTRL3D)) {
 720                 WARN("control unavailable\n");
 721                 return DSERR_CONTROLUNAVAIL;
 722         }
 723
 724         /* **** */
 725         EnterCriticalSection(&(This->lock));
 726
 727         if (This->volpan.lPan != pan) {
 728                 This->volpan.lPan = pan;
 729                 DSOUND_RecalcVolPan(&(This->volpan));
 730
 731                 if (This->hwbuf) {
 732                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
 733                         if (hres != DS_OK)
 734                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
 735                 } else
 736                         DSOUND_ForceRemix(This);
 737         }
 738
 739         LeaveCriticalSection(&(This->lock));
 740         /* **** */
 741
 742         return hres;
 743 }
 744
 745 static HRESULT WINAPI IDirectSoundBufferImpl_GetPan(
 746         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan
 747 ) {
 748         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 749         TRACE("(%p,%p)\n",This,pan);
 750
 751         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 752                 WARN("control unavailable\n");
 753                 return DSERR_CONTROLUNAVAIL;
 754         }
 755
 756         if (pan == NULL) {
 757                 WARN("invalid parameter: pan = NULL\n");
 758                 return DSERR_INVALIDPARAM;
 759         }
 760
 761         *pan = This->volpan.lPan;
 762
 763         return DS_OK;
 764 }
 765
 766 static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
 767         LPDIRECTSOUNDBUFFER8 iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 768 ) {
 769         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 770         DWORD probably_valid_to;
 771         HRESULT hres = DS_OK;
 772
 773         TRACE("(%p,%p,%d,%p,%d)\n", This,p1,x1,p2,x2);
 774
 775         /* **** */
 776         EnterCriticalSection(&(This->lock));
 777
 778         if (!(This->device->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 779                 hres = IDsDriverBuffer_Unlock(This->hwbuf, p1, x1, p2, x2);
 780                 if (hres != DS_OK)
 781                         WARN("IDsDriverBuffer_Unlock failed\n");
 782         }
 783
 784         if (hres == DS_OK) {
 785                 if (p2) probably_valid_to = (((LPBYTE)p2)-This->buffer->memory) + x2;
 786                 else probably_valid_to = (((LPBYTE)p1)-This->buffer->memory) + x1;
 787                 probably_valid_to %= This->buflen;
 788                 if ((probably_valid_to == 0) && ((x1+x2) == This->buflen) &&
 789                     ((This->state == STATE_STARTING) ||
 790                      (This->state == STATE_PLAYING)))
 791                         /* see IDirectSoundBufferImpl_Lock */
 792                         probably_valid_to = (DWORD)-1;
 793                 This->probably_valid_to = probably_valid_to;
 794         }
 795
 796         LeaveCriticalSection(&(This->lock));
 797         /* **** */
 798
 799         TRACE("probably_valid_to=%d\n", This->probably_valid_to);
 800         return hres;
 801 }
 802
 803 static HRESULT WINAPI IDirectSoundBufferImpl_Restore(
 804         LPDIRECTSOUNDBUFFER8 iface
 805 ) {
 806         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 807         FIXME("(%p):stub\n",This);
 808         return DS_OK;
 809 }
 810
 811 static HRESULT WINAPI IDirectSoundBufferImpl_GetFrequency(
 812         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq
 813 ) {
 814         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 815         TRACE("(%p,%p)\n",This,freq);
 816
 817         if (freq == NULL) {
 818                 WARN("invalid parameter: freq = NULL\n");
 819                 return DSERR_INVALIDPARAM;
 820         }
 821
 822         *freq = This->freq;
 823         TRACE("-> %d\n", *freq);
 824
 825         return DS_OK;
 826 }
 827
 828 static HRESULT WINAPI IDirectSoundBufferImpl_SetFX(
 829         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes
 830 ) {
 831         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 832         DWORD u;
 833
 834         FIXME("(%p,%u,%p,%p): stub\n",This,dwEffectsCount,pDSFXDesc,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_AcquireResources(
 844         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes
 845 ) {
 846         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 847         DWORD u;
 848
 849         FIXME("(%p,%08u,%u,%p): stub\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
 850
 851         if (pdwResultCodes)
 852                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 853
 854         WARN("control unavailable\n");
 855         return DSERR_CONTROLUNAVAIL;
 856 }
 857
 858 static HRESULT WINAPI IDirectSoundBufferImpl_GetObjectInPath(
 859         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject
 860 ) {
 861         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 862
 863         FIXME("(%p,%s,%u,%s,%p): stub\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
 864
 865         WARN("control unavailable\n");
 866         return DSERR_CONTROLUNAVAIL;
 867 }
 868
 869 static HRESULT WINAPI IDirectSoundBufferImpl_Initialize(
 870         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
 871 ) {
 872         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 873         FIXME("(%p,%p,%p):stub\n",This,dsound,dbsd);
 874         DPRINTF("Re-Init!!!\n");
 875         WARN("already initialized\n");
 876         return DSERR_ALREADYINITIALIZED;
 877 }
 878
 879 static HRESULT WINAPI IDirectSoundBufferImpl_GetCaps(
 880         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps
 881 ) {
 882         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 883         TRACE("(%p)->(%p)\n",This,caps);
 884
 885         if (caps == NULL) {
 886                 WARN("invalid parameter: caps == NULL\n");
 887                 return DSERR_INVALIDPARAM;
 888         }
 889
 890         if (caps->dwSize < sizeof(*caps)) {
 891                 WARN("invalid parameter: caps->dwSize = %d\n",caps->dwSize);
 892                 return DSERR_INVALIDPARAM;
 893         }
 894
 895         caps->dwFlags = This->dsbd.dwFlags;
 896         if (This->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
 897         else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
 898
 899         caps->dwBufferBytes = This->buflen;
 900
 901         /* This value represents the speed of the "unlock" command.
 902            As unlock is quite fast (it does not do anything), I put
 903            4096 ko/s = 4 Mo / s */
 904         /* FIXME: hwbuf speed */
 905         caps->dwUnlockTransferRate = 4096;
 906         caps->dwPlayCpuOverhead = 0;
 907
 908         return DS_OK;
 909 }
 910
 911 static HRESULT WINAPI IDirectSoundBufferImpl_QueryInterface(
 912         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj
 913 ) {
 914         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 915
 916         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 917
 918         if (ppobj == NULL) {
 919                 WARN("invalid parameter\n");
 920                 return E_INVALIDARG;
 921         }
 922
 923         *ppobj = NULL;  /* assume failure */
 924
 925         if ( IsEqualGUID(riid, &IID_IUnknown) ||
 926              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ||
 927              IsEqualGUID(riid, &IID_IDirectSoundBuffer8) ) {
 928                 if (!This->secondary)
 929                         SecondaryBufferImpl_Create(This, &(This->secondary));
 930                 if (This->secondary) {
 931                         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)This->secondary);
 932                         *ppobj = This->secondary;
 933                         return S_OK;
 934                 }
 935                 WARN("IID_IDirectSoundBuffer\n");
 936                 return E_NOINTERFACE;
 937         }
 938
 939         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
 940                 if (!This->notify)
 941                         IDirectSoundNotifyImpl_Create(This, &(This->notify));
 942                 if (This->notify) {
 943                         IDirectSoundNotify_AddRef((LPDIRECTSOUNDNOTIFY)This->notify);
 944                         *ppobj = This->notify;
 945                         return S_OK;
 946                 }
 947                 WARN("IID_IDirectSoundNotify\n");
 948                 return E_NOINTERFACE;
 949         }
 950
 951         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
 952                 if (!This->ds3db)
 953                         IDirectSound3DBufferImpl_Create(This, &(This->ds3db));
 954                 if (This->ds3db) {
 955                         IDirectSound3DBuffer_AddRef((LPDIRECTSOUND3DBUFFER)This->ds3db);
 956                         *ppobj = This->ds3db;
 957                         return S_OK;
 958                 }
 959                 WARN("IID_IDirectSound3DBuffer\n");
 960                 return E_NOINTERFACE;
 961         }
 962
 963         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
 964                 ERR("app requested IDirectSound3DListener on secondary buffer\n");
 965                 return E_NOINTERFACE;
 966         }
 967
 968         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
 969                 if (!This->iks)
 970                         IKsBufferPropertySetImpl_Create(This, &(This->iks));
 971                 if (This->iks) {
 972                         IKsPropertySet_AddRef((LPKSPROPERTYSET)This->iks);
 973                         *ppobj = This->iks;
 974                         return S_OK;
 975                 }
 976                 WARN("IID_IKsPropertySet\n");
 977                 return E_NOINTERFACE;
 978         }
 979
 980         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 981
 982         return E_NOINTERFACE;
 983 }
 984
 985 static const IDirectSoundBuffer8Vtbl dsbvt =
 986 {
 987         IDirectSoundBufferImpl_QueryInterface,
 988         IDirectSoundBufferImpl_AddRef,
 989         IDirectSoundBufferImpl_Release,
 990         IDirectSoundBufferImpl_GetCaps,
 991         IDirectSoundBufferImpl_GetCurrentPosition,
 992         IDirectSoundBufferImpl_GetFormat,
 993         IDirectSoundBufferImpl_GetVolume,
 994         IDirectSoundBufferImpl_GetPan,
 995         IDirectSoundBufferImpl_GetFrequency,
 996         IDirectSoundBufferImpl_GetStatus,
 997         IDirectSoundBufferImpl_Initialize,
 998         IDirectSoundBufferImpl_Lock,
 999         IDirectSoundBufferImpl_Play,
1000         IDirectSoundBufferImpl_SetCurrentPosition,
1001         IDirectSoundBufferImpl_SetFormat,
1002         IDirectSoundBufferImpl_SetVolume,
1003         IDirectSoundBufferImpl_SetPan,
1004         IDirectSoundBufferImpl_SetFrequency,
1005         IDirectSoundBufferImpl_Stop,
1006         IDirectSoundBufferImpl_Unlock,
1007         IDirectSoundBufferImpl_Restore,
1008         IDirectSoundBufferImpl_SetFX,
1009         IDirectSoundBufferImpl_AcquireResources,
1010         IDirectSoundBufferImpl_GetObjectInPath
1011 };
1012
1013 HRESULT IDirectSoundBufferImpl_Create(
1014         DirectSoundDevice * device,
1015         IDirectSoundBufferImpl **pdsb,
1016         LPCDSBUFFERDESC dsbd)
1017 {
1018         IDirectSoundBufferImpl *dsb;
1019         LPWAVEFORMATEX wfex = dsbd->lpwfxFormat;
1020         HRESULT err = DS_OK;
1021         DWORD capf = 0;
1022         int use_hw, alloc_size, cp_size;
1023         TRACE("(%p,%p,%p)\n",device,pdsb,dsbd);
1024
1025         if (dsbd->dwBufferBytes < DSBSIZE_MIN || dsbd->dwBufferBytes > DSBSIZE_MAX) {
1026                 WARN("invalid parameter: dsbd->dwBufferBytes = %d\n", dsbd->dwBufferBytes);
1027                 *pdsb = NULL;
1028                 return DSERR_INVALIDPARAM; /* FIXME: which error? */
1029         }
1030
1031         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1032
1033         if (dsb == 0) {
1034                 WARN("out of memory\n");
1035                 *pdsb = NULL;
1036                 return DSERR_OUTOFMEMORY;
1037         }
1038
1039         TRACE("Created buffer at %p\n", dsb);
1040
1041         dsb->ref = 0;
1042         dsb->secondary = 0;
1043         dsb->device = device;
1044         dsb->lpVtbl = &dsbvt;
1045         dsb->iks = NULL;
1046
1047         /* size depends on version */
1048         CopyMemory(&dsb->dsbd, dsbd, dsbd->dwSize);
1049
1050         /* variable sized struct so calculate size based on format */
1051         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
1052                 alloc_size = sizeof(WAVEFORMATEX);
1053                 cp_size = sizeof(PCMWAVEFORMAT);
1054         } else
1055                 alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
1056
1057         dsb->pwfx = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,alloc_size);
1058         if (dsb->pwfx == NULL) {
1059                 WARN("out of memory\n");
1060                 HeapFree(GetProcessHeap(),0,dsb);
1061                 *pdsb = NULL;
1062                 return DSERR_OUTOFMEMORY;
1063         }
1064
1065         CopyMemory(dsb->pwfx, wfex, cp_size);
1066
1067         if (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign)
1068                 dsb->buflen = dsbd->dwBufferBytes +
1069                         (dsbd->lpwfxFormat->nBlockAlign -
1070                         (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign));
1071         else
1072                 dsb->buflen = dsbd->dwBufferBytes;
1073
1074         dsb->freq = dsbd->lpwfxFormat->nSamplesPerSec;
1075         dsb->notify = NULL;
1076         dsb->notifies = NULL;
1077         dsb->nrofnotifies = 0;
1078         dsb->hwnotify = 0;
1079
1080         /* Check necessary hardware mixing capabilities */
1081         if (wfex->nChannels==2) capf |= DSCAPS_SECONDARYSTEREO;
1082         else capf |= DSCAPS_SECONDARYMONO;
1083         if (wfex->wBitsPerSample==16) capf |= DSCAPS_SECONDARY16BIT;
1084         else capf |= DSCAPS_SECONDARY8BIT;
1085
1086         use_hw = (device->drvcaps.dwFlags & capf) == capf;
1087         TRACE("use_hw = 0x%08x, capf = 0x%08x, device->drvcaps.dwFlags = 0x%08x\n", use_hw, capf, device->drvcaps.dwFlags);
1088
1089         /* FIXME: check hardware sample rate mixing capabilities */
1090         /* FIXME: check app hints for software/hardware buffer (STATIC, LOCHARDWARE, etc) */
1091         /* FIXME: check whether any hardware buffers are left */
1092         /* FIXME: handle DSDHEAP_CREATEHEAP for hardware buffers */
1093
1094         /* Allocate an empty buffer */
1095         dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
1096         if (dsb->buffer == NULL) {
1097                 WARN("out of memory\n");
1098                 HeapFree(GetProcessHeap(),0,dsb->pwfx);
1099                 HeapFree(GetProcessHeap(),0,dsb);
1100                 *pdsb = NULL;
1101                 return DSERR_OUTOFMEMORY;
1102         }
1103
1104         /* Allocate system memory for buffer if applicable */
1105         if ((device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) || !use_hw) {
1106                 dsb->buffer->memory = HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1107                 if (dsb->buffer->memory == NULL) {
1108                         WARN("out of memory\n");
1109                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1110                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1111                         HeapFree(GetProcessHeap(),0,dsb);
1112                         *pdsb = NULL;
1113                         return DSERR_OUTOFMEMORY;
1114                 }
1115                 dsb->buffer->ref = 1;
1116                 FillMemory(dsb->buffer->memory, dsb->buflen, dsbd->lpwfxFormat->wBitsPerSample == 8 ? 128 : 0);
1117         }
1118
1119         /* Allocate the hardware buffer */
1120         if (use_hw) {
1121                 err = IDsDriver_CreateSoundBuffer(device->driver,wfex,dsbd->dwFlags,0,
1122                                                   &(dsb->buflen),&(dsb->buffer->memory),
1123                                                   (LPVOID*)&(dsb->hwbuf));
1124                 /* fall back to software buffer on failure */
1125                 if (err != DS_OK) {
1126                         TRACE("IDsDriver_CreateSoundBuffer failed, falling back to software buffer\n");
1127                         use_hw = 0;
1128                         if (device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
1129                                 dsb->buffer->memory = HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1130                                 if (dsb->buffer->memory == NULL) {
1131                                         WARN("out of memory\n");
1132                                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1133                                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1134                                         HeapFree(GetProcessHeap(),0,dsb);
1135                                         *pdsb = NULL;
1136                                         return DSERR_OUTOFMEMORY;
1137                                 }
1138                                 dsb->buffer->ref = 1;
1139                                 FillMemory(dsb->buffer->memory, dsb->buflen, dsbd->lpwfxFormat->wBitsPerSample == 8 ? 128 : 0);
1140                         }
1141                         err = DS_OK;
1142                 }
1143         }
1144
1145         /* calculate fragment size and write lead */
1146         DSOUND_RecalcFormat(dsb);
1147
1148         /* It's not necessary to initialize values to zero since */
1149         /* we allocated this structure with HEAP_ZERO_MEMORY... */
1150         dsb->playpos = 0;
1151         dsb->buf_mixpos = 0;
1152         dsb->state = STATE_STOPPED;
1153
1154         dsb->freqAdjust = (dsb->freq << DSOUND_FREQSHIFT) /
1155                 device->pwfx->nSamplesPerSec;
1156         dsb->nAvgBytesPerSec = dsb->freq *
1157                 dsbd->lpwfxFormat->nBlockAlign;
1158
1159         if (dsb->dsbd.dwFlags & DSBCAPS_CTRL3D) {
1160                 dsb->ds3db_ds3db.dwSize = sizeof(DS3DBUFFER);
1161                 dsb->ds3db_ds3db.vPosition.x = 0.0;
1162                 dsb->ds3db_ds3db.vPosition.y = 0.0;
1163                 dsb->ds3db_ds3db.vPosition.z = 0.0;
1164                 dsb->ds3db_ds3db.vVelocity.x = 0.0;
1165                 dsb->ds3db_ds3db.vVelocity.y = 0.0;
1166                 dsb->ds3db_ds3db.vVelocity.z = 0.0;
1167                 dsb->ds3db_ds3db.dwInsideConeAngle = DS3D_DEFAULTCONEANGLE;
1168                 dsb->ds3db_ds3db.dwOutsideConeAngle = DS3D_DEFAULTCONEANGLE;
1169                 dsb->ds3db_ds3db.vConeOrientation.x = 0.0;
1170                 dsb->ds3db_ds3db.vConeOrientation.y = 0.0;
1171                 dsb->ds3db_ds3db.vConeOrientation.z = 0.0;
1172                 dsb->ds3db_ds3db.lConeOutsideVolume = DS3D_DEFAULTCONEOUTSIDEVOLUME;
1173                 dsb->ds3db_ds3db.flMinDistance = DS3D_DEFAULTMINDISTANCE;
1174                 dsb->ds3db_ds3db.flMaxDistance = DS3D_DEFAULTMAXDISTANCE;
1175                 dsb->ds3db_ds3db.dwMode = DS3DMODE_NORMAL;
1176
1177                 dsb->ds3db_need_recalc = FALSE;
1178                 DSOUND_Calc3DBuffer(dsb);
1179         } else
1180                 DSOUND_RecalcVolPan(&(dsb->volpan));
1181
1182         InitializeCriticalSection(&(dsb->lock));
1183         dsb->lock.DebugInfo->Spare[0] = (DWORD_PTR)"DSOUNDBUFFER_lock";
1184
1185         /* register buffer if not primary */
1186         if (!(dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER)) {
1187                 err = DirectSoundDevice_AddBuffer(device, dsb);
1188                 if (err != DS_OK) {
1189                         HeapFree(GetProcessHeap(),0,dsb->buffer->memory);
1190                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1191                         dsb->lock.DebugInfo->Spare[0] = 0;
1192                         DeleteCriticalSection(&(dsb->lock));
1193                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1194                         HeapFree(GetProcessHeap(),0,dsb);
1195                         dsb = NULL;
1196                 }
1197         }
1198
1199         *pdsb = dsb;
1200         return err;
1201 }
1202
1203 HRESULT IDirectSoundBufferImpl_Destroy(
1204     IDirectSoundBufferImpl *pdsb)
1205 {
1206     TRACE("(%p)\n",pdsb);
1207
1208     /* This keeps the *_Destroy functions from possibly deleting
1209      * this object until it is ready to be deleted */
1210     IDirectSoundBufferImpl_AddRef((LPDIRECTSOUNDBUFFER8)pdsb);
1211
1212     if (pdsb->iks) {
1213         WARN("iks not NULL\n");
1214         IKsBufferPropertySetImpl_Destroy(pdsb->iks);
1215         pdsb->iks = NULL;
1216     }
1217
1218     if (pdsb->ds3db) {
1219         WARN("ds3db not NULL\n");
1220         IDirectSound3DBufferImpl_Destroy(pdsb->ds3db);
1221         pdsb->ds3db = NULL;
1222     }
1223
1224     if (pdsb->notify) {
1225         WARN("notify not NULL\n");
1226         IDirectSoundNotifyImpl_Destroy(pdsb->notify);
1227         pdsb->notify = NULL;
1228     }
1229
1230     if (pdsb->secondary) {
1231         WARN("dsb not NULL\n");
1232         SecondaryBufferImpl_Destroy(pdsb->secondary);
1233         pdsb->secondary = NULL;
1234     }
1235
1236     while (IDirectSoundBuffer8_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1237
1238     return S_OK;
1239 }
1240
1241 HRESULT IDirectSoundBufferImpl_Duplicate(
1242     DirectSoundDevice *device,
1243     IDirectSoundBufferImpl **ppdsb,
1244     IDirectSoundBufferImpl *pdsb)
1245 {
1246     IDirectSoundBufferImpl *dsb;
1247     HRESULT hres = DS_OK;
1248     int size;
1249     TRACE("(%p,%p,%p)\n", device, pdsb, pdsb);
1250
1251     dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1252
1253     if (dsb == NULL) {
1254         WARN("out of memory\n");
1255         *ppdsb = NULL;
1256         return DSERR_OUTOFMEMORY;
1257     }
1258
1259     CopyMemory(dsb, pdsb, sizeof(IDirectSoundBufferImpl));
1260
1261     if (pdsb->hwbuf) {
1262         TRACE("duplicating hardware buffer\n");
1263
1264         hres = IDsDriver_DuplicateSoundBuffer(device->driver, pdsb->hwbuf,
1265                                               (LPVOID *)&dsb->hwbuf);
1266         if (hres != DS_OK) {
1267             TRACE("IDsDriver_DuplicateSoundBuffer failed, falling back to "
1268                   "software buffer\n");
1269             dsb->hwbuf = NULL;
1270             /* allocate buffer */
1271             if (device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
1272                 dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
1273                 if (dsb->buffer == NULL) {
1274                     WARN("out of memory\n");
1275                     HeapFree(GetProcessHeap(),0,dsb);
1276                     *ppdsb = NULL;
1277                     return DSERR_OUTOFMEMORY;
1278                 }
1279
1280                 dsb->buffer->memory = HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1281                 if (dsb->buffer->memory == NULL) {
1282                     WARN("out of memory\n");
1283                     HeapFree(GetProcessHeap(),0,dsb->buffer);
1284                     HeapFree(GetProcessHeap(),0,dsb);
1285                     *ppdsb = NULL;
1286                     return DSERR_OUTOFMEMORY;
1287                 }
1288                 dsb->buffer->ref = 1;
1289
1290                 /* FIXME: copy buffer ? */
1291             }
1292         }
1293     } else {
1294         dsb->hwbuf = NULL;
1295         dsb->buffer->ref++;
1296     }
1297
1298     dsb->ref = 0;
1299     dsb->state = STATE_STOPPED;
1300     dsb->playpos = 0;
1301     dsb->buf_mixpos = 0;
1302     dsb->device = device;
1303     dsb->ds3db = NULL;
1304     dsb->iks = NULL; /* FIXME? */
1305     dsb->secondary = NULL;
1306
1307     /* variable sized struct so calculate size based on format */
1308     size = sizeof(WAVEFORMATEX) + pdsb->pwfx->cbSize;
1309
1310     dsb->pwfx = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,size);
1311     if (dsb->pwfx == NULL) {
1312             WARN("out of memory\n");
1313             HeapFree(GetProcessHeap(),0,dsb->buffer);
1314             HeapFree(GetProcessHeap(),0,dsb);
1315             *ppdsb = NULL;
1316             return DSERR_OUTOFMEMORY;
1317     }
1318
1319     CopyMemory(dsb->pwfx, pdsb->pwfx, size);
1320
1321     InitializeCriticalSection(&(dsb->lock));
1322     dsb->lock.DebugInfo->Spare[0] = (DWORD_PTR)"DSOUNDBUFFER_lock";
1323
1324     /* register buffer */
1325     hres = DirectSoundDevice_AddBuffer(device, dsb);
1326     if (hres != DS_OK) {
1327         dsb->lock.DebugInfo->Spare[0] = 0;
1328         DeleteCriticalSection(&(dsb->lock));
1329         HeapFree(GetProcessHeap(),0,dsb->buffer);
1330         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1331         HeapFree(GetProcessHeap(),0,dsb);
1332         *ppdsb = 0;
1333     }
1334
1335     *ppdsb = dsb;
1336     return hres;
1337 }
1338
1339 /*******************************************************************************
1340  *              SecondaryBuffer
1341  */
1342
1343 static HRESULT WINAPI SecondaryBufferImpl_QueryInterface(
1344         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj)
1345 {
1346         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1347         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
1348
1349         return IDirectSoundBufferImpl_QueryInterface((LPDIRECTSOUNDBUFFER8)This->dsb,riid,ppobj);
1350 }
1351
1352 static ULONG WINAPI SecondaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
1353 {
1354     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1355     ULONG ref = InterlockedIncrement(&(This->ref));
1356     TRACE("(%p) ref was %d\n", This, ref - 1);
1357     return ref;
1358 }
1359
1360 static ULONG WINAPI SecondaryBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
1361 {
1362     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1363     ULONG ref;
1364     TRACE("(%p)\n", This);
1365     ref = InterlockedDecrement(&(This->ref));
1366     TRACE("ref was %d\n", ref + 1);
1367
1368     if (!ref) {
1369         This->dsb->secondary = NULL;
1370         IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER8)This->dsb);
1371         HeapFree(GetProcessHeap(), 0, This);
1372         TRACE("(%p) released\n", This);
1373     }
1374     return ref;
1375 }
1376
1377 static HRESULT WINAPI SecondaryBufferImpl_GetCaps(
1378         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps)
1379 {
1380         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1381         TRACE("(%p)->(%p)\n",This,caps);
1382
1383         return IDirectSoundBufferImpl_GetCaps((LPDIRECTSOUNDBUFFER8)This->dsb,caps);
1384 }
1385
1386 static HRESULT WINAPI SecondaryBufferImpl_GetCurrentPosition(
1387         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos)
1388 {
1389         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1390         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
1391
1392         return IDirectSoundBufferImpl_GetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,playpos,writepos);
1393 }
1394
1395 static HRESULT WINAPI SecondaryBufferImpl_GetFormat(
1396         LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX lpwf,DWORD wfsize,LPDWORD wfwritten)
1397 {
1398         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1399         TRACE("(%p,%p,%d,%p)\n",This,lpwf,wfsize,wfwritten);
1400
1401         return IDirectSoundBufferImpl_GetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,lpwf,wfsize,wfwritten);
1402 }
1403
1404 static HRESULT WINAPI SecondaryBufferImpl_GetVolume(
1405         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol)
1406 {
1407         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1408         TRACE("(%p,%p)\n",This,vol);
1409
1410         return IDirectSoundBufferImpl_GetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1411 }
1412
1413 static HRESULT WINAPI SecondaryBufferImpl_GetPan(
1414         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan)
1415 {
1416         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1417         TRACE("(%p,%p)\n",This,pan);
1418
1419         return IDirectSoundBufferImpl_GetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1420 }
1421
1422 static HRESULT WINAPI SecondaryBufferImpl_GetFrequency(
1423         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq)
1424 {
1425         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1426         TRACE("(%p,%p)\n",This,freq);
1427
1428         return IDirectSoundBufferImpl_GetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1429 }
1430
1431 static HRESULT WINAPI SecondaryBufferImpl_GetStatus(
1432         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status)
1433 {
1434         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1435         TRACE("(%p,%p)\n",This,status);
1436
1437         return IDirectSoundBufferImpl_GetStatus((LPDIRECTSOUNDBUFFER8)This->dsb,status);
1438 }
1439
1440 static HRESULT WINAPI SecondaryBufferImpl_Initialize(
1441         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd)
1442 {
1443         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1444         TRACE("(%p,%p,%p)\n",This,dsound,dbsd);
1445
1446         return IDirectSoundBufferImpl_Initialize((LPDIRECTSOUNDBUFFER8)This->dsb,dsound,dbsd);
1447 }
1448
1449 static HRESULT WINAPI SecondaryBufferImpl_Lock(
1450     LPDIRECTSOUNDBUFFER8 iface,
1451     DWORD writecursor,
1452     DWORD writebytes,
1453     LPVOID lplpaudioptr1,
1454     LPDWORD audiobytes1,
1455     LPVOID lplpaudioptr2,
1456     LPDWORD audiobytes2,
1457     DWORD dwFlags)
1458 {
1459     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1460     TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x)\n",
1461         This,writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1462
1463     return IDirectSoundBufferImpl_Lock((LPDIRECTSOUNDBUFFER8)This->dsb,
1464         writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1465 }
1466
1467 static HRESULT WINAPI SecondaryBufferImpl_Play(
1468         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags)
1469 {
1470         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1471         TRACE("(%p,%08x,%08x,%08x)\n",This,reserved1,reserved2,flags);
1472
1473         return IDirectSoundBufferImpl_Play((LPDIRECTSOUNDBUFFER8)This->dsb,reserved1,reserved2,flags);
1474 }
1475
1476 static HRESULT WINAPI SecondaryBufferImpl_SetCurrentPosition(
1477         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos)
1478 {
1479         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1480         TRACE("(%p,%d)\n",This,newpos);
1481
1482         return IDirectSoundBufferImpl_SetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,newpos);
1483 }
1484
1485 static HRESULT WINAPI SecondaryBufferImpl_SetFormat(
1486         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex)
1487 {
1488         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1489         TRACE("(%p,%p)\n",This,wfex);
1490
1491         return IDirectSoundBufferImpl_SetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,wfex);
1492 }
1493
1494 static HRESULT WINAPI SecondaryBufferImpl_SetVolume(
1495         LPDIRECTSOUNDBUFFER8 iface,LONG vol)
1496 {
1497         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1498         TRACE("(%p,%d)\n",This,vol);
1499
1500         return IDirectSoundBufferImpl_SetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1501 }
1502
1503 static HRESULT WINAPI SecondaryBufferImpl_SetPan(
1504         LPDIRECTSOUNDBUFFER8 iface,LONG pan)
1505 {
1506         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1507         TRACE("(%p,%d)\n",This,pan);
1508
1509         return IDirectSoundBufferImpl_SetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1510 }
1511
1512 static HRESULT WINAPI SecondaryBufferImpl_SetFrequency(
1513         LPDIRECTSOUNDBUFFER8 iface,DWORD freq)
1514 {
1515         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1516         TRACE("(%p,%d)\n",This,freq);
1517
1518         return IDirectSoundBufferImpl_SetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1519 }
1520
1521 static HRESULT WINAPI SecondaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
1522 {
1523         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1524         TRACE("(%p)\n",This);
1525
1526         return IDirectSoundBufferImpl_Stop((LPDIRECTSOUNDBUFFER8)This->dsb);
1527 }
1528
1529 static HRESULT WINAPI SecondaryBufferImpl_Unlock(
1530     LPDIRECTSOUNDBUFFER8 iface,
1531     LPVOID lpvAudioPtr1,
1532     DWORD dwAudioBytes1,
1533     LPVOID lpvAudioPtr2,
1534     DWORD dwAudioBytes2)
1535 {
1536     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1537     TRACE("(%p,%p,%d,%p,%d)\n",
1538         This, lpvAudioPtr1, dwAudioBytes1, lpvAudioPtr2, dwAudioBytes2);
1539
1540     return IDirectSoundBufferImpl_Unlock((LPDIRECTSOUNDBUFFER8)This->dsb,
1541         lpvAudioPtr1,dwAudioBytes1,lpvAudioPtr2,dwAudioBytes2);
1542 }
1543
1544 static HRESULT WINAPI SecondaryBufferImpl_Restore(
1545         LPDIRECTSOUNDBUFFER8 iface)
1546 {
1547         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1548         TRACE("(%p)\n",This);
1549
1550         return IDirectSoundBufferImpl_Restore((LPDIRECTSOUNDBUFFER8)This->dsb);
1551 }
1552
1553 static HRESULT WINAPI SecondaryBufferImpl_SetFX(
1554         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes)
1555 {
1556         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1557         TRACE("(%p,%u,%p,%p)\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1558
1559         return IDirectSoundBufferImpl_SetFX((LPDIRECTSOUNDBUFFER8)This->dsb,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1560 }
1561
1562 static HRESULT WINAPI SecondaryBufferImpl_AcquireResources(
1563         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes)
1564 {
1565         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1566         TRACE("(%p,%08u,%u,%p)\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
1567
1568         return IDirectSoundBufferImpl_AcquireResources((LPDIRECTSOUNDBUFFER8)This->dsb,dwFlags,dwEffectsCount,pdwResultCodes);
1569 }
1570
1571 static HRESULT WINAPI SecondaryBufferImpl_GetObjectInPath(
1572         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject)
1573 {
1574         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1575         TRACE("(%p,%s,%u,%s,%p)\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
1576
1577         return IDirectSoundBufferImpl_GetObjectInPath((LPDIRECTSOUNDBUFFER8)This->dsb,rguidObject,dwIndex,rguidInterface,ppObject);
1578 }
1579
1580 static const IDirectSoundBuffer8Vtbl sbvt =
1581 {
1582         SecondaryBufferImpl_QueryInterface,
1583         SecondaryBufferImpl_AddRef,
1584         SecondaryBufferImpl_Release,
1585         SecondaryBufferImpl_GetCaps,
1586         SecondaryBufferImpl_GetCurrentPosition,
1587         SecondaryBufferImpl_GetFormat,
1588         SecondaryBufferImpl_GetVolume,
1589         SecondaryBufferImpl_GetPan,
1590         SecondaryBufferImpl_GetFrequency,
1591         SecondaryBufferImpl_GetStatus,
1592         SecondaryBufferImpl_Initialize,
1593         SecondaryBufferImpl_Lock,
1594         SecondaryBufferImpl_Play,
1595         SecondaryBufferImpl_SetCurrentPosition,
1596         SecondaryBufferImpl_SetFormat,
1597         SecondaryBufferImpl_SetVolume,
1598         SecondaryBufferImpl_SetPan,
1599         SecondaryBufferImpl_SetFrequency,
1600         SecondaryBufferImpl_Stop,
1601         SecondaryBufferImpl_Unlock,
1602         SecondaryBufferImpl_Restore,
1603         SecondaryBufferImpl_SetFX,
1604         SecondaryBufferImpl_AcquireResources,
1605         SecondaryBufferImpl_GetObjectInPath
1606 };
1607
1608 HRESULT SecondaryBufferImpl_Create(
1609         IDirectSoundBufferImpl *dsb,
1610         SecondaryBufferImpl **psb)
1611 {
1612         SecondaryBufferImpl *sb;
1613         TRACE("(%p,%p)\n",dsb,psb);
1614
1615         sb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*sb));
1616
1617         if (sb == 0) {
1618                 WARN("out of memory\n");
1619                 *psb = NULL;
1620                 return DSERR_OUTOFMEMORY;
1621         }
1622         sb->ref = 0;
1623         sb->dsb = dsb;
1624         sb->lpVtbl = &sbvt;
1625
1626         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)dsb);
1627         *psb = sb;
1628         return S_OK;
1629 }
1630
1631 static HRESULT SecondaryBufferImpl_Destroy(
1632     SecondaryBufferImpl *pdsb)
1633 {
1634     TRACE("(%p)\n",pdsb);
1635
1636     while (SecondaryBufferImpl_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1637
1638     return S_OK;
1639 }