git.oblomov.eu Git - wine/blob - dlls/dsound/buffer.c

   1 /*                      DirectSound
   2  *
   3  * Copyright 1998 Marcus Meissner
   4  * Copyright 1998 Rob Riggs
   5  * Copyright 2000-2002 TransGaming Technologies, Inc.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include "config.h"
  23 #include <assert.h>
  24 #include <stdarg.h>
  25 #include <stdio.h>
  26 #include <sys/types.h>
  27 #include <sys/fcntl.h>
  28 #ifdef HAVE_UNISTD_H
  29 # include <unistd.h>
  30 #endif
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <math.h>
  34
  35 #define NONAMELESSSTRUCT
  36 #define NONAMELESSUNION
  37 #include "windef.h"
  38 #include "winbase.h"
  39 #include "wingdi.h"
  40 #include "winuser.h"
  41 #include "winerror.h"
  42 #include "mmsystem.h"
  43 #include "winreg.h"
  44 #include "winternl.h"
  45 #include "mmddk.h"
  46 #include "wine/windef16.h"
  47 #include "wine/debug.h"
  48 #include "dsound.h"
  49 #include "dsdriver.h"
  50 #include "dsound_private.h"
  51
  52 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  53
  54 /*******************************************************************************
  55  *              IDirectSoundNotify
  56  */
  57 static HRESULT WINAPI IDirectSoundNotifyImpl_QueryInterface(
  58         LPDIRECTSOUNDNOTIFY iface,REFIID riid,LPVOID *ppobj
  59 ) {
  60         ICOM_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         ICOM_THIS(IDirectSoundNotifyImpl,iface);
  73         DWORD ref;
  74
  75         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
  76
  77         ref = InterlockedIncrement(&(This->ref));
  78         return ref;
  79 }
  80
  81 static ULONG WINAPI IDirectSoundNotifyImpl_Release(LPDIRECTSOUNDNOTIFY iface) {
  82         ICOM_THIS(IDirectSoundNotifyImpl,iface);
  83         DWORD ref;
  84
  85         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
  86
  87         ref = InterlockedDecrement(&(This->ref));
  88         if (ref == 0) {
  89                 IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER)This->dsb);
  90                 This->dsb->notify = NULL;
  91                 HeapFree(GetProcessHeap(),0,This);
  92                 TRACE("(%p) released\n",This);
  93         }
  94         return ref;
  95 }
  96
  97 static HRESULT WINAPI IDirectSoundNotifyImpl_SetNotificationPositions(
  98         LPDIRECTSOUNDNOTIFY iface,DWORD howmuch,LPCDSBPOSITIONNOTIFY notify
  99 ) {
 100         ICOM_THIS(IDirectSoundNotifyImpl,iface);
 101         TRACE("(%p,0x%08lx,%p)\n",This,howmuch,notify);
 102
 103         if (howmuch > 0 && notify == NULL) {
 104             WARN("invalid parameter: notify == NULL\n");
 105             return DSERR_INVALIDPARAM;
 106         }
 107
 108         if (TRACE_ON(dsound)) {
 109             int i;
 110             for (i=0;i<howmuch;i++)
 111                 TRACE("notify at %ld to 0x%08lx\n",
 112                     notify[i].dwOffset,(DWORD)notify[i].hEventNotify);
 113         }
 114
 115         if (This->dsb->hwnotify) {
 116             HRESULT hres;
 117             hres = IDsDriverNotify_SetNotificationPositions(This->dsb->hwnotify, howmuch, notify);
 118             if (hres != DS_OK)
 119                     WARN("IDsDriverNotify_SetNotificationPositions failed\n");
 120             return hres;
 121         } else if (howmuch > 0) {
 122             /* Make an internal copy of the caller-supplied array.
 123              * Replace the existing copy if one is already present. */
 124             if (This->dsb->notifies)
 125                     This->dsb->notifies = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 126                         This->dsb->notifies, howmuch * sizeof(DSBPOSITIONNOTIFY));
 127             else
 128                     This->dsb->notifies = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 129                         howmuch * sizeof(DSBPOSITIONNOTIFY));
 130
 131             if (This->dsb->notifies == NULL) {
 132                     WARN("out of memory\n");
 133                     return DSERR_OUTOFMEMORY;
 134             }
 135             memcpy(This->dsb->notifies, notify, howmuch * sizeof(DSBPOSITIONNOTIFY));
 136             This->dsb->nrofnotifies = howmuch;
 137         } else {
 138            if (This->dsb->notifies) {
 139                HeapFree(GetProcessHeap(), 0, This->dsb->notifies);
 140                This->dsb->notifies = NULL;
 141            }
 142            This->dsb->nrofnotifies = 0;
 143         }
 144
 145         return S_OK;
 146 }
 147
 148 ICOM_VTABLE(IDirectSoundNotify) dsnvt =
 149 {
 150     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 151     IDirectSoundNotifyImpl_QueryInterface,
 152     IDirectSoundNotifyImpl_AddRef,
 153     IDirectSoundNotifyImpl_Release,
 154     IDirectSoundNotifyImpl_SetNotificationPositions,
 155 };
 156
 157 HRESULT WINAPI IDirectSoundNotifyImpl_Create(
 158     IDirectSoundBufferImpl * dsb,
 159     IDirectSoundNotifyImpl **pdsn)
 160 {
 161     IDirectSoundNotifyImpl * dsn;
 162     TRACE("(%p,%p)\n",dsb,pdsn);
 163
 164     dsn = (IDirectSoundNotifyImpl*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(dsn));
 165
 166     if (dsn == NULL) {
 167         WARN("out of memory\n");
 168         return DSERR_OUTOFMEMORY;
 169     }
 170
 171     dsn->ref = 0;
 172     dsn->lpVtbl = &dsnvt;
 173     dsn->dsb = dsb;
 174     dsb->notify = dsn;
 175     IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)dsb);
 176
 177     *pdsn = dsn;
 178     return DS_OK;
 179 }
 180
 181 HRESULT WINAPI IDirectSoundNotifyImpl_Destroy(
 182     IDirectSoundNotifyImpl *pdsn)
 183 {
 184     TRACE("(%p)\n",pdsn);
 185
 186     while (IDirectSoundNotifyImpl_Release((LPDIRECTSOUNDNOTIFY)pdsn) > 0);
 187
 188     return DS_OK;
 189 }
 190
 191 /*******************************************************************************
 192  *              IDirectSoundBuffer
 193  */
 194
 195 static HRESULT WINAPI IDirectSoundBufferImpl_SetFormat(
 196         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex
 197 ) {
 198         ICOM_THIS(IDirectSoundBufferImpl,iface);
 199
 200         TRACE("(%p,%p)\n",This,wfex);
 201         /* This method is not available on secondary buffers */
 202         WARN("invalid call\n");
 203         return DSERR_INVALIDCALL;
 204 }
 205
 206 static HRESULT WINAPI IDirectSoundBufferImpl_SetVolume(
 207         LPDIRECTSOUNDBUFFER8 iface,LONG vol
 208 ) {
 209         ICOM_THIS(IDirectSoundBufferImpl,iface);
 210         LONG oldVol;
 211
 212         TRACE("(%p,%ld)\n",This,vol);
 213
 214         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 215                 WARN("control unavailable: This->dsbd.dwFlags = 0x%08lx\n", This->dsbd.dwFlags);
 216                 return DSERR_CONTROLUNAVAIL;
 217         }
 218
 219         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 220                 WARN("invalid parameter: vol = %ld\n", vol);
 221                 return DSERR_INVALIDPARAM;
 222         }
 223
 224         /* **** */
 225         EnterCriticalSection(&(This->lock));
 226
 227         if (This->dsbd.dwFlags & DSBCAPS_CTRL3D) {
 228                 oldVol = This->ds3db_lVolume;
 229                 This->ds3db_lVolume = vol;
 230         } else {
 231                 oldVol = This->volpan.lVolume;
 232                 This->volpan.lVolume = vol;
 233                 if (vol != oldVol)
 234                         DSOUND_RecalcVolPan(&(This->volpan));
 235         }
 236
 237         if (vol != oldVol) {
 238                 if (This->hwbuf) {
 239                         HRESULT hres;
 240                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
 241                         if (hres != DS_OK)
 242                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
 243                 } else
 244                         DSOUND_ForceRemix(This);
 245         }
 246
 247         LeaveCriticalSection(&(This->lock));
 248         /* **** */
 249
 250         return DS_OK;
 251 }
 252
 253 static HRESULT WINAPI IDirectSoundBufferImpl_GetVolume(
 254         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol
 255 ) {
 256         ICOM_THIS(IDirectSoundBufferImpl,iface);
 257         TRACE("(%p,%p)\n",This,vol);
 258
 259         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 260                 WARN("control unavailable\n");
 261                 return DSERR_CONTROLUNAVAIL;
 262         }
 263
 264         if (vol == NULL) {
 265                 WARN("invalid parameter: vol == NULL\n");
 266                 return DSERR_INVALIDPARAM;
 267         }
 268
 269         *vol = This->volpan.lVolume;
 270
 271         return DS_OK;
 272 }
 273
 274 static HRESULT WINAPI IDirectSoundBufferImpl_SetFrequency(
 275         LPDIRECTSOUNDBUFFER8 iface,DWORD freq
 276 ) {
 277         ICOM_THIS(IDirectSoundBufferImpl,iface);
 278         DWORD oldFreq;
 279
 280         TRACE("(%p,%ld)\n",This,freq);
 281
 282         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
 283                 WARN("control unavailable\n");
 284                 return DSERR_CONTROLUNAVAIL;
 285         }
 286
 287         if (freq == DSBFREQUENCY_ORIGINAL)
 288                 freq = This->wfx.nSamplesPerSec;
 289
 290         if ((freq < DSBFREQUENCY_MIN) || (freq > DSBFREQUENCY_MAX)) {
 291                 WARN("invalid parameter: freq = %ld\n", freq);
 292                 return DSERR_INVALIDPARAM;
 293         }
 294
 295         /* **** */
 296         EnterCriticalSection(&(This->lock));
 297
 298         oldFreq = This->freq;
 299         This->freq = freq;
 300         if (freq != oldFreq) {
 301                 This->freqAdjust = (freq << DSOUND_FREQSHIFT) / This->dsound->wfx.nSamplesPerSec;
 302                 This->nAvgBytesPerSec = freq * This->wfx.nBlockAlign;
 303                 DSOUND_RecalcFormat(This);
 304                 if (!This->hwbuf)
 305                         DSOUND_ForceRemix(This);
 306         }
 307
 308         LeaveCriticalSection(&(This->lock));
 309         /* **** */
 310
 311         return DS_OK;
 312 }
 313
 314 static HRESULT WINAPI IDirectSoundBufferImpl_Play(
 315         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags
 316 ) {
 317         HRESULT hres = DS_OK;
 318         ICOM_THIS(IDirectSoundBufferImpl,iface);
 319         TRACE("(%p,%08lx,%08lx,%08lx)\n",This,reserved1,reserved2,flags);
 320
 321         /* **** */
 322         EnterCriticalSection(&(This->lock));
 323
 324         This->playflags = flags;
 325         if (This->state == STATE_STOPPED) {
 326                 This->leadin = TRUE;
 327                 This->startpos = This->buf_mixpos;
 328                 This->state = STATE_STARTING;
 329         } else if (This->state == STATE_STOPPING)
 330                 This->state = STATE_PLAYING;
 331         if (This->hwbuf) {
 332                 hres = IDsDriverBuffer_Play(This->hwbuf, 0, 0, This->playflags);
 333                 if (hres != DS_OK)
 334                         WARN("IDsDriverBuffer_Play failed\n");
 335                 else
 336                         This->state = STATE_PLAYING;
 337         }
 338
 339         LeaveCriticalSection(&(This->lock));
 340         /* **** */
 341
 342         return hres;
 343 }
 344
 345 static HRESULT WINAPI IDirectSoundBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
 346 {
 347         HRESULT hres = DS_OK;
 348         ICOM_THIS(IDirectSoundBufferImpl,iface);
 349         TRACE("(%p)\n",This);
 350
 351         /* **** */
 352         EnterCriticalSection(&(This->lock));
 353
 354         if (This->state == STATE_PLAYING)
 355                 This->state = STATE_STOPPING;
 356         else if (This->state == STATE_STARTING)
 357                 This->state = STATE_STOPPED;
 358         if (This->hwbuf) {
 359                 hres = IDsDriverBuffer_Stop(This->hwbuf);
 360                 if (hres != DS_OK)
 361                         WARN("IDsDriverBuffer_Stop failed\n");
 362                 else
 363                         This->state = STATE_STOPPED;
 364         }
 365         DSOUND_CheckEvent(This, 0);
 366
 367         LeaveCriticalSection(&(This->lock));
 368         /* **** */
 369
 370         return hres;
 371 }
 372
 373 static DWORD WINAPI IDirectSoundBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface) {
 374         ICOM_THIS(IDirectSoundBufferImpl,iface);
 375         DWORD ref;
 376
 377         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
 378
 379         ref = InterlockedIncrement(&(This->ref));
 380         if (!ref) {
 381                 FIXME("thread-safety alert! AddRef-ing with a zero refcount!\n");
 382         }
 383         return ref;
 384 }
 385
 386 static DWORD WINAPI IDirectSoundBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface) {
 387         ICOM_THIS(IDirectSoundBufferImpl,iface);
 388         int     i;
 389         DWORD ref;
 390
 391         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
 392
 393         ref = InterlockedDecrement(&(This->ref));
 394         if (ref) return ref;
 395
 396         RtlAcquireResourceExclusive(&(This->dsound->lock), TRUE);
 397         for (i=0;i<This->dsound->nrofbuffers;i++)
 398                 if (This->dsound->buffers[i] == This)
 399                         break;
 400         if (i < This->dsound->nrofbuffers) {
 401                 /* Put the last buffer of the list in the (now empty) position */
 402                 This->dsound->buffers[i] = This->dsound->buffers[This->dsound->nrofbuffers - 1];
 403                 This->dsound->nrofbuffers--;
 404                 This->dsound->buffers = HeapReAlloc(GetProcessHeap(),0,This->dsound->buffers,sizeof(LPDIRECTSOUNDBUFFER8)*This->dsound->nrofbuffers);
 405                 TRACE("(%p) buffer count is now %d\n", This, This->dsound->nrofbuffers);
 406         }
 407         RtlReleaseResource(&(This->dsound->lock));
 408
 409         DeleteCriticalSection(&(This->lock));
 410
 411         if (This->hwbuf) {
 412                 IDsDriverBuffer_Release(This->hwbuf);
 413                 if (This->dsound->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
 414                         This->buffer->ref--;
 415                         if (This->buffer->ref==0) {
 416                                 HeapFree(GetProcessHeap(),0,This->buffer->memory);
 417                                 HeapFree(GetProcessHeap(),0,This->buffer);
 418                         }
 419                 }
 420         } else {
 421                 This->buffer->ref--;
 422                 if (This->buffer->ref==0) {
 423                         HeapFree(GetProcessHeap(),0,This->buffer->memory);
 424                         HeapFree(GetProcessHeap(),0,This->buffer);
 425                 }
 426         }
 427
 428         if (This->notifies != NULL)
 429                 HeapFree(GetProcessHeap(), 0, This->notifies);
 430
 431         HeapFree(GetProcessHeap(),0,This);
 432
 433         TRACE("(%p) released\n",This);
 434         return 0;
 435 }
 436
 437 DWORD DSOUND_CalcPlayPosition(IDirectSoundBufferImpl *This,
 438                               DWORD state, DWORD pplay, DWORD pwrite, DWORD pmix, DWORD bmix)
 439 {
 440         DWORD bplay;
 441
 442         TRACE("primary playpos=%ld, mixpos=%ld\n", pplay, pmix);
 443         TRACE("this mixpos=%ld, time=%ld\n", bmix, GetTickCount());
 444
 445         /* the actual primary play position (pplay) is always behind last mixed (pmix),
 446          * unless the computer is too slow or something */
 447         /* we need to know how far away we are from there */
 448 #if 0 /* we'll never fill the primary entirely */
 449         if (pmix == pplay) {
 450                 if ((state == STATE_PLAYING) || (state == STATE_STOPPING)) {
 451                         /* wow, the software mixer is really doing well,
 452                          * seems the entire primary buffer is filled! */
 453                         pmix += This->dsound->buflen;
 454                 }
 455                 /* else: the primary buffer is not playing, so probably empty */
 456         }
 457 #endif
 458         if (pmix < pplay) pmix += This->dsound->buflen; /* wraparound */
 459         pmix -= pplay;
 460         /* detect buffer underrun */
 461         if (pwrite < pplay) pwrite += This->dsound->buflen; /* wraparound */
 462         pwrite -= pplay;
 463         if (pmix > (ds_snd_queue_max * This->dsound->fraglen + pwrite + This->dsound->writelead)) {
 464                 WARN("detected an underrun: primary queue was %ld\n",pmix);
 465                 pmix = 0;
 466         }
 467         /* divide the offset by its sample size */
 468         pmix /= This->dsound->wfx.nBlockAlign;
 469         TRACE("primary back-samples=%ld\n",pmix);
 470         /* adjust for our frequency */
 471         pmix = (pmix * This->freqAdjust) >> DSOUND_FREQSHIFT;
 472         /* multiply by our own sample size */
 473         pmix *= This->wfx.nBlockAlign;
 474         TRACE("this back-offset=%ld\n", pmix);
 475         /* subtract from our last mixed position */
 476         bplay = bmix;
 477         while (bplay < pmix) bplay += This->buflen; /* wraparound */
 478         bplay -= pmix;
 479         if (This->leadin && ((bplay < This->startpos) || (bplay > bmix))) {
 480                 /* seems we haven't started playing yet */
 481                 TRACE("this still in lead-in phase\n");
 482                 bplay = This->startpos;
 483         }
 484         /* return the result */
 485         return bplay;
 486 }
 487
 488 static HRESULT WINAPI IDirectSoundBufferImpl_GetCurrentPosition(
 489         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos
 490 ) {
 491         HRESULT hres;
 492         ICOM_THIS(IDirectSoundBufferImpl,iface);
 493         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
 494         if (This->hwbuf) {
 495                 hres=IDsDriverBuffer_GetPosition(This->hwbuf,playpos,writepos);
 496                 if (hres != DS_OK) {
 497                     WARN("IDsDriverBuffer_GetPosition failed\n");
 498                     return hres;
 499                 }
 500         }
 501         else {
 502                 if (playpos && (This->state != STATE_PLAYING)) {
 503                         /* we haven't been merged into the primary buffer (yet) */
 504                         *playpos = This->buf_mixpos;
 505                 }
 506                 else if (playpos) {
 507                         DWORD pplay, pwrite, lplay, splay, pstate;
 508                         /* let's get this exact; first, recursively call GetPosition on the primary */
 509                         EnterCriticalSection(&(This->dsound->mixlock));
 510                         if (DSOUND_PrimaryGetPosition(This->dsound, &pplay, &pwrite) != DS_OK)
 511                                 WARN("DSOUND_PrimaryGetPosition failed\n");
 512                         /* detect HEL mode underrun */
 513                         pstate = This->dsound->state;
 514                         if (!(This->dsound->hwbuf || This->dsound->pwqueue)) {
 515                                 TRACE("detected an underrun\n");
 516                                 /* pplay = ? */
 517                                 if (pstate == STATE_PLAYING)
 518                                         pstate = STATE_STARTING;
 519                                 else if (pstate == STATE_STOPPING)
 520                                         pstate = STATE_STOPPED;
 521                         }
 522                         /* get data for ourselves while we still have the lock */
 523                         pstate &= This->state;
 524                         lplay = This->primary_mixpos;
 525                         splay = This->buf_mixpos;
 526                         if ((This->dsbd.dwFlags & DSBCAPS_GETCURRENTPOSITION2) || This->dsound->hwbuf) {
 527                                 /* calculate play position using this */
 528                                 *playpos = DSOUND_CalcPlayPosition(This, pstate, pplay, pwrite, lplay, splay);
 529                         } else {
 530                                 /* (unless the app isn't using GETCURRENTPOSITION2) */
 531                                 /* don't know exactly how this should be handled...
 532                                  * the docs says that play cursor is reported as directly
 533                                  * behind write cursor, hmm... */
 534                                 /* let's just do what might work for Half-Life */
 535                                 DWORD wp;
 536                                 wp = (This->dsound->pwplay + ds_hel_margin) * This->dsound->fraglen;
 537                                 while (wp >= This->dsound->buflen)
 538                                         wp -= This->dsound->buflen;
 539                                 *playpos = DSOUND_CalcPlayPosition(This, pstate, wp, pwrite, lplay, splay);
 540                         }
 541                         LeaveCriticalSection(&(This->dsound->mixlock));
 542                 }
 543                 if (writepos) *writepos = This->buf_mixpos;
 544         }
 545         if (writepos) {
 546                 if (This->state != STATE_STOPPED)
 547                         /* apply the documented 10ms lead to writepos */
 548                         *writepos += This->writelead;
 549                 while (*writepos >= This->buflen) *writepos -= This->buflen;
 550         }
 551         if (playpos) This->last_playpos = *playpos;
 552         TRACE("playpos = %ld, writepos = %ld (%p, time=%ld)\n", playpos?*playpos:0, writepos?*writepos:0, This, GetTickCount());
 553         return DS_OK;
 554 }
 555
 556 static HRESULT WINAPI IDirectSoundBufferImpl_GetStatus(
 557         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status
 558 ) {
 559         ICOM_THIS(IDirectSoundBufferImpl,iface);
 560         TRACE("(%p,%p), thread is %04lx\n",This,status,GetCurrentThreadId());
 561
 562         if (status == NULL) {
 563                 WARN("invalid parameter: status = NULL\n");
 564                 return DSERR_INVALIDPARAM;
 565         }
 566
 567         *status = 0;
 568         if ((This->state == STATE_STARTING) || (This->state == STATE_PLAYING)) {
 569                 *status |= DSBSTATUS_PLAYING;
 570                 if (This->playflags & DSBPLAY_LOOPING)
 571                         *status |= DSBSTATUS_LOOPING;
 572         }
 573
 574         TRACE("status=%lx\n", *status);
 575         return DS_OK;
 576 }
 577
 578
 579 static HRESULT WINAPI IDirectSoundBufferImpl_GetFormat(
 580         LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX lpwf,DWORD wfsize,LPDWORD wfwritten
 581 ) {
 582         ICOM_THIS(IDirectSoundBufferImpl,iface);
 583         TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
 584
 585         if (wfsize>sizeof(This->wfx))
 586                 wfsize = sizeof(This->wfx);
 587         if (lpwf) {     /* NULL is valid */
 588                 memcpy(lpwf,&(This->wfx),wfsize);
 589                 if (wfwritten)
 590                         *wfwritten = wfsize;
 591         } else {
 592                 if (wfwritten)
 593                         *wfwritten = sizeof(This->wfx);
 594                 else {
 595                         WARN("invalid parameter: wfwritten == NULL\n");
 596                         return DSERR_INVALIDPARAM;
 597                 }
 598         }
 599
 600         return DS_OK;
 601 }
 602
 603 static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
 604         LPDIRECTSOUNDBUFFER8 iface,DWORD writecursor,DWORD writebytes,LPVOID lplpaudioptr1,LPDWORD audiobytes1,LPVOID lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 605 ) {
 606         HRESULT hres = DS_OK;
 607         ICOM_THIS(IDirectSoundBufferImpl,iface);
 608
 609         TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx) at %ld\n",
 610                 This,
 611                 writecursor,
 612                 writebytes,
 613                 lplpaudioptr1,
 614                 audiobytes1,
 615                 lplpaudioptr2,
 616                 audiobytes2,
 617                 flags,
 618                 GetTickCount()
 619         );
 620
 621         if (flags & DSBLOCK_FROMWRITECURSOR) {
 622                 DWORD writepos;
 623                 /* GetCurrentPosition does too much magic to duplicate here */
 624                 hres = IDirectSoundBufferImpl_GetCurrentPosition(iface, NULL, &writepos);
 625                 if (hres != DS_OK) {
 626                         WARN("IDirectSoundBufferImpl_GetCurrentPosition failed\n");
 627                         return hres;
 628                 }
 629                 writecursor += writepos;
 630         }
 631         while (writecursor >= This->buflen)
 632                 writecursor -= This->buflen;
 633         if (flags & DSBLOCK_ENTIREBUFFER)
 634                 writebytes = This->buflen;
 635         if (writebytes > This->buflen)
 636                 writebytes = This->buflen;
 637
 638         assert(audiobytes1!=audiobytes2);
 639         assert(lplpaudioptr1!=lplpaudioptr2);
 640
 641         EnterCriticalSection(&(This->lock));
 642
 643         if ((writebytes == This->buflen) &&
 644             ((This->state == STATE_STARTING) ||
 645              (This->state == STATE_PLAYING)))
 646                 /* some games, like Half-Life, try to be clever (not) and
 647                  * keep one secondary buffer, and mix sounds into it itself,
 648                  * locking the entire buffer every time... so we can just forget
 649                  * about tracking the last-written-to-position... */
 650                 This->probably_valid_to = (DWORD)-1;
 651         else
 652                 This->probably_valid_to = writecursor;
 653
 654         if (!(This->dsound->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 655                 hres = IDsDriverBuffer_Lock(This->hwbuf,
 656                                      lplpaudioptr1, audiobytes1,
 657                                      lplpaudioptr2, audiobytes2,
 658                                      writecursor, writebytes,
 659                                      0);
 660                 if (hres != DS_OK) {
 661                         WARN("IDsDriverBuffer_Lock failed\n");
 662                         LeaveCriticalSection(&(This->lock));
 663                         return hres;
 664                 }
 665         } else {
 666                 BOOL remix = FALSE;
 667                 if (writecursor+writebytes <= This->buflen) {
 668                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 669                         *audiobytes1 = writebytes;
 670                         if (lplpaudioptr2)
 671                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 672                         if (audiobytes2)
 673                                 *audiobytes2 = 0;
 674                         TRACE("->%ld.0\n",writebytes);
 675                 } else {
 676                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 677                         *audiobytes1 = This->buflen-writecursor;
 678                         if (lplpaudioptr2)
 679                                 *(LPBYTE*)lplpaudioptr2 = This->buffer->memory;
 680                         if (audiobytes2)
 681                                 *audiobytes2 = writebytes-(This->buflen-writecursor);
 682                         TRACE("->%ld.%ld\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 683                 }
 684                 if (This->state == STATE_PLAYING) {
 685                         /* if the segment between playpos and buf_mixpos is touched,
 686                          * we need to cancel some mixing */
 687                         /* we'll assume that the app always calls GetCurrentPosition before
 688                          * locking a playing buffer, so that last_playpos is up-to-date */
 689                         if (This->buf_mixpos >= This->last_playpos) {
 690                                 if (This->buf_mixpos > writecursor &&
 691                                     This->last_playpos < writecursor+writebytes)
 692                                         remix = TRUE;
 693                         }
 694                         else {
 695                                 if (This->buf_mixpos > writecursor ||
 696                                     This->last_playpos < writecursor+writebytes)
 697                                         remix = TRUE;
 698                         }
 699                         if (remix) {
 700                                 TRACE("locking prebuffered region, ouch\n");
 701                                 DSOUND_MixCancelAt(This, writecursor);
 702                         }
 703                 }
 704         }
 705
 706         LeaveCriticalSection(&(This->lock));
 707         return DS_OK;
 708 }
 709
 710 static HRESULT WINAPI IDirectSoundBufferImpl_SetCurrentPosition(
 711         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos
 712 ) {
 713         HRESULT hres = DS_OK;
 714         ICOM_THIS(IDirectSoundBufferImpl,iface);
 715         TRACE("(%p,%ld)\n",This,newpos);
 716
 717         /* **** */
 718         EnterCriticalSection(&(This->lock));
 719
 720         while (newpos >= This->buflen)
 721                 newpos -= This->buflen;
 722         This->buf_mixpos = newpos;
 723         if (This->hwbuf) {
 724                 hres = IDsDriverBuffer_SetPosition(This->hwbuf, This->buf_mixpos);
 725                 if (hres != DS_OK)
 726                         WARN("IDsDriverBuffer_SetPosition failed\n");
 727         }
 728
 729         LeaveCriticalSection(&(This->lock));
 730         /* **** */
 731
 732         return hres;
 733 }
 734
 735 static HRESULT WINAPI IDirectSoundBufferImpl_SetPan(
 736         LPDIRECTSOUNDBUFFER8 iface,LONG pan
 737 ) {
 738         HRESULT hres = DS_OK;
 739         ICOM_THIS(IDirectSoundBufferImpl,iface);
 740         LONG oldPan;
 741
 742         TRACE("(%p,%ld)\n",This,pan);
 743
 744         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 745                 WARN("invalid parameter: pan = %ld\n", pan);
 746                 return DSERR_INVALIDPARAM;
 747         }
 748
 749         /* You cannot use both pan and 3D controls */
 750         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN) ||
 751             (This->dsbd.dwFlags & DSBCAPS_CTRL3D)) {
 752                 WARN("control unavailable\n");
 753                 return DSERR_CONTROLUNAVAIL;
 754         }
 755
 756         /* **** */
 757         EnterCriticalSection(&(This->lock));
 758
 759         oldPan = This->volpan.lPan;
 760         This->volpan.lPan = pan;
 761
 762         if (pan != oldPan) {
 763                 DSOUND_RecalcVolPan(&(This->volpan));
 764
 765                 if (This->hwbuf) {
 766                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
 767                         if (hres != DS_OK)
 768                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
 769                 } else
 770                         DSOUND_ForceRemix(This);
 771         }
 772
 773         LeaveCriticalSection(&(This->lock));
 774         /* **** */
 775
 776         return hres;
 777 }
 778
 779 static HRESULT WINAPI IDirectSoundBufferImpl_GetPan(
 780         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan
 781 ) {
 782         ICOM_THIS(IDirectSoundBufferImpl,iface);
 783         TRACE("(%p,%p)\n",This,pan);
 784
 785         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 786                 WARN("control unavailable\n");
 787                 return DSERR_CONTROLUNAVAIL;
 788         }
 789
 790         if (pan == NULL) {
 791                 WARN("invalid parameter: pan = NULL\n");
 792                 return DSERR_INVALIDPARAM;
 793         }
 794
 795         *pan = This->volpan.lPan;
 796
 797         return DS_OK;
 798 }
 799
 800 static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
 801         LPDIRECTSOUNDBUFFER8 iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 802 ) {
 803         ICOM_THIS(IDirectSoundBufferImpl,iface);
 804         DWORD probably_valid_to;
 805
 806         TRACE("(%p,%p,%ld,%p,%ld)\n", This,p1,x1,p2,x2);
 807
 808         if (!(This->dsound->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 809                 HRESULT hres;
 810                 hres = IDsDriverBuffer_Unlock(This->hwbuf, p1, x1, p2, x2);
 811                 if (hres != DS_OK) {
 812                         WARN("IDsDriverBuffer_Unlock failed\n");
 813                         return hres;
 814                 }
 815         }
 816
 817         if (p2) probably_valid_to = (((LPBYTE)p2)-This->buffer->memory) + x2;
 818         else probably_valid_to = (((LPBYTE)p1)-This->buffer->memory) + x1;
 819         while (probably_valid_to >= This->buflen)
 820                 probably_valid_to -= This->buflen;
 821         if ((probably_valid_to == 0) && ((x1+x2) == This->buflen) &&
 822             ((This->state == STATE_STARTING) ||
 823              (This->state == STATE_PLAYING)))
 824                 /* see IDirectSoundBufferImpl_Lock */
 825                 probably_valid_to = (DWORD)-1;
 826         This->probably_valid_to = probably_valid_to;
 827
 828         return DS_OK;
 829 }
 830
 831 static HRESULT WINAPI IDirectSoundBufferImpl_Restore(
 832         LPDIRECTSOUNDBUFFER8 iface
 833 ) {
 834         ICOM_THIS(IDirectSoundBufferImpl,iface);
 835         FIXME("(%p):stub\n",This);
 836         return DS_OK;
 837 }
 838
 839 static HRESULT WINAPI IDirectSoundBufferImpl_GetFrequency(
 840         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq
 841 ) {
 842         ICOM_THIS(IDirectSoundBufferImpl,iface);
 843         TRACE("(%p,%p)\n",This,freq);
 844
 845         if (freq == NULL) {
 846                 WARN("invalid parameter: freq = NULL\n");
 847                 return DSERR_INVALIDPARAM;
 848         }
 849
 850         *freq = This->freq;
 851         TRACE("-> %ld\n", *freq);
 852
 853         return DS_OK;
 854 }
 855
 856 static HRESULT WINAPI IDirectSoundBufferImpl_SetFX(
 857         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes
 858 ) {
 859         ICOM_THIS(IDirectSoundBufferImpl,iface);
 860         DWORD u;
 861
 862         FIXME("(%p,%lu,%p,%p): stub\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
 863
 864         if (pdwResultCodes)
 865                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 866
 867         WARN("control unavailable\n");
 868         return DSERR_CONTROLUNAVAIL;
 869 }
 870
 871 static HRESULT WINAPI IDirectSoundBufferImpl_AcquireResources(
 872         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes
 873 ) {
 874         ICOM_THIS(IDirectSoundBufferImpl,iface);
 875         DWORD u;
 876
 877         FIXME("(%p,%08lu,%lu,%p): stub\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
 878
 879         if (pdwResultCodes)
 880                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 881
 882         WARN("control unavailable\n");
 883         return DSERR_CONTROLUNAVAIL;
 884 }
 885
 886 static HRESULT WINAPI IDirectSoundBufferImpl_GetObjectInPath(
 887         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject
 888 ) {
 889         ICOM_THIS(IDirectSoundBufferImpl,iface);
 890
 891         FIXME("(%p,%s,%lu,%s,%p): stub\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
 892
 893         WARN("control unavailable\n");
 894         return DSERR_CONTROLUNAVAIL;
 895 }
 896
 897 static HRESULT WINAPI IDirectSoundBufferImpl_Initialize(
 898         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
 899 ) {
 900         ICOM_THIS(IDirectSoundBufferImpl,iface);
 901         FIXME("(%p,%p,%p):stub\n",This,dsound,dbsd);
 902         DPRINTF("Re-Init!!!\n");
 903         WARN("already initialized\n");
 904         return DSERR_ALREADYINITIALIZED;
 905 }
 906
 907 static HRESULT WINAPI IDirectSoundBufferImpl_GetCaps(
 908         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps
 909 ) {
 910         ICOM_THIS(IDirectSoundBufferImpl,iface);
 911         TRACE("(%p)->(%p)\n",This,caps);
 912
 913         if (caps == NULL) {
 914                 WARN("invalid parameter: caps == NULL\n");
 915                 return DSERR_INVALIDPARAM;
 916         }
 917
 918         if (caps->dwSize < sizeof(*caps)) {
 919                 WARN("invalid parameter: caps->dwSize = %ld < %d\n",caps->dwSize, sizeof(*caps));
 920                 return DSERR_INVALIDPARAM;
 921         }
 922
 923         caps->dwFlags = This->dsbd.dwFlags;
 924         if (This->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
 925         else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
 926
 927         caps->dwBufferBytes = This->buflen;
 928
 929         /* This value represents the speed of the "unlock" command.
 930            As unlock is quite fast (it does not do anything), I put
 931            4096 ko/s = 4 Mo / s */
 932         /* FIXME: hwbuf speed */
 933         caps->dwUnlockTransferRate = 4096;
 934         caps->dwPlayCpuOverhead = 0;
 935
 936         return DS_OK;
 937 }
 938
 939 static HRESULT WINAPI IDirectSoundBufferImpl_QueryInterface(
 940         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj
 941 ) {
 942         ICOM_THIS(IDirectSoundBufferImpl,iface);
 943
 944         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 945
 946         if (ppobj == NULL) {
 947                 WARN("invalid parameter\n");
 948                 return E_INVALIDARG;
 949         }
 950
 951         *ppobj = NULL;  /* assume failure */
 952
 953         if ( IsEqualGUID(riid, &IID_IUnknown) ||
 954              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ||
 955              IsEqualGUID(riid, &IID_IDirectSoundBuffer8) ) {
 956                 if (!This->dsb)
 957                         SecondaryBufferImpl_Create(This, &(This->dsb));
 958                 if (This->dsb) {
 959                         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)This->dsb);
 960                         *ppobj = This->dsb;
 961                         return S_OK;
 962                 }
 963                 WARN("IID_IDirectSoundBuffer\n");
 964                 return E_NOINTERFACE;
 965         }
 966
 967         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ||
 968              IsEqualGUID( &IID_IDirectSoundNotify8, riid ) ) {
 969                 if (!This->notify)
 970                         IDirectSoundNotifyImpl_Create(This, &(This->notify));
 971                 if (This->notify) {
 972                         IDirectSoundNotify_AddRef((LPDIRECTSOUNDNOTIFY)This->notify);
 973                         *ppobj = This->notify;
 974                         return S_OK;
 975                 }
 976                 WARN("IID_IDirectSoundNotify\n");
 977                 return E_NOINTERFACE;
 978         }
 979
 980         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
 981                 if (!This->ds3db)
 982                         IDirectSound3DBufferImpl_Create(This, &(This->ds3db));
 983                 if (This->ds3db) {
 984                         IDirectSound3DBuffer_AddRef((LPDIRECTSOUND3DBUFFER)This->ds3db);
 985                         *ppobj = This->ds3db;
 986                         return S_OK;
 987                 }
 988                 WARN("IID_IDirectSound3DBuffer\n");
 989                 return E_NOINTERFACE;
 990         }
 991
 992         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
 993                 ERR("app requested IDirectSound3DListener on secondary buffer\n");
 994                 return E_NOINTERFACE;
 995         }
 996
 997         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
 998                 /* only supported on hardware 3D secondary buffers */
 999                 if (!(This->dsbd.dwFlags & DSBCAPS_PRIMARYBUFFER) &&
1000                      (This->dsbd.dwFlags & DSBCAPS_CTRL3D) &&
1001                      (This->hwbuf != NULL) ) {
1002                         if (!This->iks)
1003                                 IKsBufferPropertySetImpl_Create(This, &(This->iks));
1004                         if (This->iks) {
1005                                 IKsPropertySet_AddRef((LPKSPROPERTYSET)*ppobj);
1006                                 *ppobj = This->iks;
1007                                 return S_OK;
1008                         }
1009                 }
1010                 WARN("IID_IKsPropertySet\n");
1011                 return E_NOINTERFACE;
1012         }
1013
1014         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
1015
1016         return E_NOINTERFACE;
1017 }
1018
1019 static ICOM_VTABLE(IDirectSoundBuffer8) dsbvt =
1020 {
1021         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
1022         IDirectSoundBufferImpl_QueryInterface,
1023         IDirectSoundBufferImpl_AddRef,
1024         IDirectSoundBufferImpl_Release,
1025         IDirectSoundBufferImpl_GetCaps,
1026         IDirectSoundBufferImpl_GetCurrentPosition,
1027         IDirectSoundBufferImpl_GetFormat,
1028         IDirectSoundBufferImpl_GetVolume,
1029         IDirectSoundBufferImpl_GetPan,
1030         IDirectSoundBufferImpl_GetFrequency,
1031         IDirectSoundBufferImpl_GetStatus,
1032         IDirectSoundBufferImpl_Initialize,
1033         IDirectSoundBufferImpl_Lock,
1034         IDirectSoundBufferImpl_Play,
1035         IDirectSoundBufferImpl_SetCurrentPosition,
1036         IDirectSoundBufferImpl_SetFormat,
1037         IDirectSoundBufferImpl_SetVolume,
1038         IDirectSoundBufferImpl_SetPan,
1039         IDirectSoundBufferImpl_SetFrequency,
1040         IDirectSoundBufferImpl_Stop,
1041         IDirectSoundBufferImpl_Unlock,
1042         IDirectSoundBufferImpl_Restore,
1043         IDirectSoundBufferImpl_SetFX,
1044         IDirectSoundBufferImpl_AcquireResources,
1045         IDirectSoundBufferImpl_GetObjectInPath
1046 };
1047
1048 HRESULT WINAPI IDirectSoundBufferImpl_Create(
1049         IDirectSoundImpl *ds,
1050         IDirectSoundBufferImpl **pdsb,
1051         LPCDSBUFFERDESC dsbd)
1052 {
1053         IDirectSoundBufferImpl *dsb;
1054         LPWAVEFORMATEX wfex = dsbd->lpwfxFormat;
1055         HRESULT err = DS_OK;
1056         DWORD capf = 0;
1057         int use_hw;
1058         TRACE("(%p,%p,%p)\n",ds,pdsb,dsbd);
1059
1060         if (dsbd->dwBufferBytes < DSBSIZE_MIN || dsbd->dwBufferBytes > DSBSIZE_MAX) {
1061                 WARN("invalid parameter: dsbd->dwBufferBytes = %ld\n", dsbd->dwBufferBytes);
1062                 *pdsb = NULL;
1063                 return DSERR_INVALIDPARAM; /* FIXME: which error? */
1064         }
1065
1066         dsb = (IDirectSoundBufferImpl*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1067
1068         if (dsb == 0) {
1069                 WARN("out of memory\n");
1070                 *pdsb = NULL;
1071                 return DSERR_OUTOFMEMORY;
1072         }
1073         dsb->ref = 0;
1074         dsb->dsb = 0;
1075         dsb->dsound = ds;
1076         dsb->lpVtbl = &dsbvt;
1077         dsb->iks = NULL;
1078
1079         memcpy(&dsb->dsbd, dsbd, sizeof(*dsbd));
1080         if (wfex)
1081                 memcpy(&dsb->wfx, wfex, sizeof(dsb->wfx));
1082
1083         TRACE("Created buffer at %p\n", dsb);
1084
1085         dsb->buflen = dsbd->dwBufferBytes;
1086         dsb->freq = dsbd->lpwfxFormat->nSamplesPerSec;
1087
1088         dsb->notify = NULL;
1089         dsb->notifies = NULL;
1090         dsb->nrofnotifies = 0;
1091         dsb->hwnotify = 0;
1092
1093         /* Check necessary hardware mixing capabilities */
1094         if (wfex->nChannels==2) capf |= DSCAPS_SECONDARYSTEREO;
1095         else capf |= DSCAPS_SECONDARYMONO;
1096         if (wfex->wBitsPerSample==16) capf |= DSCAPS_SECONDARY16BIT;
1097         else capf |= DSCAPS_SECONDARY8BIT;
1098
1099         use_hw = (ds->drvcaps.dwFlags & capf) == capf;
1100         TRACE("use_hw = 0x%08x, capf = 0x%08lx, ds->drvcaps.dwFlags = 0x%08lx\n", use_hw, capf, ds->drvcaps.dwFlags);
1101
1102         /* FIXME: check hardware sample rate mixing capabilities */
1103         /* FIXME: check app hints for software/hardware buffer (STATIC, LOCHARDWARE, etc) */
1104         /* FIXME: check whether any hardware buffers are left */
1105         /* FIXME: handle DSDHEAP_CREATEHEAP for hardware buffers */
1106
1107         /* Allocate system memory if applicable */
1108         if ((ds->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) || !use_hw) {
1109                 dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
1110                 if (dsb->buffer == NULL) {
1111                         WARN("out of memory\n");
1112                         HeapFree(GetProcessHeap(),0,dsb);
1113                         *pdsb = NULL;
1114                         return DSERR_OUTOFMEMORY;
1115                 }
1116
1117                 dsb->buffer->memory = (LPBYTE)HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1118                 if (dsb->buffer->memory == NULL) {
1119                         WARN("out of memory\n");
1120                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1121                         HeapFree(GetProcessHeap(),0,dsb);
1122                         *pdsb = NULL;
1123                         return DSERR_OUTOFMEMORY;
1124                 }
1125                 dsb->buffer->ref = 1;
1126         }
1127
1128         /* Allocate the hardware buffer */
1129         if (use_hw) {
1130                 err = IDsDriver_CreateSoundBuffer(ds->driver,wfex,dsbd->dwFlags,0,
1131                                                   &(dsb->buflen),&(dsb->buffer->memory),
1132                                                   (LPVOID*)&(dsb->hwbuf));
1133                 /* fall back to software buffer on failure */
1134                 if (err != DS_OK) {
1135                         TRACE("IDsDriver_CreateSoundBuffer failed, falling back to software buffer\n");
1136                         use_hw = 0;
1137                         if (ds->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
1138                                 dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
1139                                 if (dsb->buffer == NULL) {
1140                                         WARN("out of memory\n");
1141                                         HeapFree(GetProcessHeap(),0,dsb);
1142                                         *pdsb = NULL;
1143                                         return DSERR_OUTOFMEMORY;
1144                                 }
1145
1146                                 dsb->buffer->memory = (LPBYTE)HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1147                                 if (dsb->buffer->memory == NULL) {
1148                                         WARN("out of memory\n");
1149                                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1150                                         HeapFree(GetProcessHeap(),0,dsb);
1151                                         *pdsb = NULL;
1152                                         return DSERR_OUTOFMEMORY;
1153                                 }
1154                                 dsb->buffer->ref = 1;
1155                         }
1156                 }
1157         }
1158
1159         /* calculate fragment size and write lead */
1160         DSOUND_RecalcFormat(dsb);
1161
1162         /* It's not necessary to initialize values to zero since */
1163         /* we allocated this structure with HEAP_ZERO_MEMORY... */
1164         dsb->playpos = 0;
1165         dsb->buf_mixpos = 0;
1166         dsb->state = STATE_STOPPED;
1167
1168         dsb->freqAdjust = (dsb->freq << DSOUND_FREQSHIFT) /
1169                 ds->wfx.nSamplesPerSec;
1170         dsb->nAvgBytesPerSec = dsb->freq *
1171                 dsbd->lpwfxFormat->nBlockAlign;
1172
1173         if (dsb->dsbd.dwFlags & DSBCAPS_CTRL3D) {
1174                 dsb->ds3db_ds3db.dwSize = sizeof(DS3DBUFFER);
1175                 dsb->ds3db_ds3db.vPosition.x = 0.0;
1176                 dsb->ds3db_ds3db.vPosition.y = 0.0;
1177                 dsb->ds3db_ds3db.vPosition.z = 0.0;
1178                 dsb->ds3db_ds3db.vVelocity.x = 0.0;
1179                 dsb->ds3db_ds3db.vVelocity.y = 0.0;
1180                 dsb->ds3db_ds3db.vVelocity.z = 0.0;
1181                 dsb->ds3db_ds3db.dwInsideConeAngle = DS3D_DEFAULTCONEANGLE;
1182                 dsb->ds3db_ds3db.dwOutsideConeAngle = DS3D_DEFAULTCONEANGLE;
1183                 dsb->ds3db_ds3db.vConeOrientation.x = 0.0;
1184                 dsb->ds3db_ds3db.vConeOrientation.y = 0.0;
1185                 dsb->ds3db_ds3db.vConeOrientation.z = 0.0;
1186                 dsb->ds3db_ds3db.lConeOutsideVolume = DS3D_DEFAULTCONEOUTSIDEVOLUME;
1187                 dsb->ds3db_ds3db.flMinDistance = DS3D_DEFAULTMINDISTANCE;
1188                 dsb->ds3db_ds3db.flMaxDistance = DS3D_DEFAULTMAXDISTANCE;
1189                 dsb->ds3db_ds3db.dwMode = DS3DMODE_NORMAL;
1190
1191                 dsb->ds3db_need_recalc = FALSE;
1192                 DSOUND_Calc3DBuffer(dsb);
1193         } else
1194                 DSOUND_RecalcVolPan(&(dsb->volpan));
1195
1196         InitializeCriticalSection(&(dsb->lock));
1197
1198         /* register buffer */
1199         RtlAcquireResourceExclusive(&(ds->lock), TRUE);
1200         if (!(dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER)) {
1201                 IDirectSoundBufferImpl **newbuffers;
1202                 if (ds->buffers)
1203                         newbuffers = (IDirectSoundBufferImpl**)HeapReAlloc(GetProcessHeap(),0,ds->buffers,sizeof(IDirectSoundBufferImpl*)*(ds->nrofbuffers+1));
1204                 else
1205                         newbuffers = (IDirectSoundBufferImpl**)HeapAlloc(GetProcessHeap(),0,sizeof(IDirectSoundBufferImpl*)*(ds->nrofbuffers+1));
1206
1207                 if (newbuffers) {
1208                         ds->buffers = newbuffers;
1209                         ds->buffers[ds->nrofbuffers] = dsb;
1210                         ds->nrofbuffers++;
1211                         TRACE("buffer count is now %d\n", ds->nrofbuffers);
1212                 } else {
1213                         ERR("out of memory for buffer list! Current buffer count is %d\n", ds->nrofbuffers);
1214                         if (dsb->buffer->memory)
1215                                 HeapFree(GetProcessHeap(),0,dsb->buffer->memory);
1216                         if (dsb->buffer)
1217                                 HeapFree(GetProcessHeap(),0,dsb->buffer);
1218                         DeleteCriticalSection(&(dsb->lock));
1219                         RtlReleaseResource(&(ds->lock));
1220                         HeapFree(GetProcessHeap(),0,dsb);
1221                         *pdsb = NULL;
1222                         return DSERR_OUTOFMEMORY;
1223                 }
1224         }
1225         RtlReleaseResource(&(ds->lock));
1226         *pdsb = dsb;
1227         return S_OK;
1228 }
1229
1230 HRESULT WINAPI IDirectSoundBufferImpl_Destroy(
1231     IDirectSoundBufferImpl *pdsb)
1232 {
1233     TRACE("(%p)\n",pdsb);
1234
1235     /* This keeps the *_Destroy functions from possibly deleting
1236      * this object until it is ready to be deleted */
1237     IDirectSoundBufferImpl_AddRef((LPDIRECTSOUNDBUFFER8)pdsb);
1238
1239     if (pdsb->iks) {
1240         WARN("iks not NULL\n");
1241         IKsBufferPropertySetImpl_Destroy(pdsb->iks);
1242         pdsb->iks = NULL;
1243     }
1244
1245     if (pdsb->ds3db) {
1246         WARN("ds3db not NULL\n");
1247         IDirectSound3DBufferImpl_Destroy(pdsb->ds3db);
1248         pdsb->ds3db = NULL;
1249     }
1250
1251     if (pdsb->notify) {
1252         WARN("notify not NULL\n");
1253         IDirectSoundNotifyImpl_Destroy(pdsb->notify);
1254         pdsb->notify = NULL;
1255     }
1256
1257     if (pdsb->dsb) {
1258         WARN("dsb not NULL\n");
1259         SecondaryBufferImpl_Destroy(pdsb->dsb);
1260         pdsb->dsb = NULL;
1261     }
1262
1263     while (IDirectSoundBuffer8_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1264
1265     return S_OK;
1266 }
1267
1268 /*******************************************************************************
1269  *              SecondaryBuffer
1270  */
1271
1272 static HRESULT WINAPI SecondaryBufferImpl_QueryInterface(
1273         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj)
1274 {
1275         ICOM_THIS(SecondaryBufferImpl,iface);
1276         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
1277
1278         return IDirectSoundBufferImpl_QueryInterface((LPDIRECTSOUNDBUFFER8)This->dsb,riid,ppobj);
1279 }
1280
1281 static DWORD WINAPI SecondaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
1282 {
1283         ICOM_THIS(IDirectSoundBufferImpl,iface);
1284         DWORD ref;
1285         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
1286
1287         ref = InterlockedIncrement(&(This->ref));
1288         if (!ref) {
1289                 FIXME("thread-safety alert! AddRef-ing with a zero refcount!\n");
1290         }
1291         return ref;
1292 }
1293
1294 static DWORD WINAPI SecondaryBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
1295 {
1296         ICOM_THIS(IDirectSoundBufferImpl,iface);
1297         DWORD ref;
1298         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
1299
1300         ref = InterlockedDecrement(&(This->ref));
1301         if (!ref) {
1302                 This->dsb->dsb = NULL;
1303                 IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER8)This->dsb);
1304                 HeapFree(GetProcessHeap(),0,This);
1305                 TRACE("(%p) released\n",This);
1306         }
1307         return ref;
1308 }
1309
1310 static HRESULT WINAPI SecondaryBufferImpl_GetCaps(
1311         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps)
1312 {
1313         ICOM_THIS(SecondaryBufferImpl,iface);
1314         TRACE("(%p)->(%p)\n",This,caps);
1315
1316         return IDirectSoundBufferImpl_GetCaps((LPDIRECTSOUNDBUFFER8)This->dsb,caps);
1317 }
1318
1319 static HRESULT WINAPI SecondaryBufferImpl_GetCurrentPosition(
1320         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos)
1321 {
1322         ICOM_THIS(SecondaryBufferImpl,iface);
1323         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
1324
1325         return IDirectSoundBufferImpl_GetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,playpos,writepos);
1326 }
1327
1328 static HRESULT WINAPI SecondaryBufferImpl_GetFormat(
1329         LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX lpwf,DWORD wfsize,LPDWORD wfwritten)
1330 {
1331         ICOM_THIS(SecondaryBufferImpl,iface);
1332         TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
1333
1334         return IDirectSoundBufferImpl_GetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,lpwf,wfsize,wfwritten);
1335 }
1336
1337 static HRESULT WINAPI SecondaryBufferImpl_GetVolume(
1338         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol)
1339 {
1340         ICOM_THIS(SecondaryBufferImpl,iface);
1341         TRACE("(%p,%p)\n",This,vol);
1342
1343         return IDirectSoundBufferImpl_GetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1344 }
1345
1346 static HRESULT WINAPI SecondaryBufferImpl_GetPan(
1347         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan)
1348 {
1349         ICOM_THIS(SecondaryBufferImpl,iface);
1350         TRACE("(%p,%p)\n",This,pan);
1351
1352         return IDirectSoundBufferImpl_GetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1353 }
1354
1355 static HRESULT WINAPI SecondaryBufferImpl_GetFrequency(
1356         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq)
1357 {
1358         ICOM_THIS(SecondaryBufferImpl,iface);
1359         TRACE("(%p,%p)\n",This,freq);
1360
1361         return IDirectSoundBufferImpl_GetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1362 }
1363
1364 static HRESULT WINAPI SecondaryBufferImpl_GetStatus(
1365         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status)
1366 {
1367         ICOM_THIS(SecondaryBufferImpl,iface);
1368         TRACE("(%p,%p)\n",This,status);
1369
1370         return IDirectSoundBufferImpl_GetStatus((LPDIRECTSOUNDBUFFER8)This->dsb,status);
1371 }
1372
1373 static HRESULT WINAPI SecondaryBufferImpl_Initialize(
1374         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd)
1375 {
1376         ICOM_THIS(SecondaryBufferImpl,iface);
1377         TRACE("(%p,%p,%p)\n",This,dsound,dbsd);
1378
1379         return IDirectSoundBufferImpl_Initialize((LPDIRECTSOUNDBUFFER8)This->dsb,dsound,dbsd);
1380 }
1381
1382 static HRESULT WINAPI SecondaryBufferImpl_Lock(
1383     LPDIRECTSOUNDBUFFER8 iface,
1384     DWORD writecursor,
1385     DWORD writebytes,
1386     LPVOID lplpaudioptr1,
1387     LPDWORD audiobytes1,
1388     LPVOID lplpaudioptr2,
1389     LPDWORD audiobytes2,
1390     DWORD dwFlags)
1391 {
1392     ICOM_THIS(SecondaryBufferImpl,iface);
1393     TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx)\n",
1394         This,writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1395
1396     return IDirectSoundBufferImpl_Lock((LPDIRECTSOUNDBUFFER8)This->dsb,
1397         writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1398 }
1399
1400 static HRESULT WINAPI SecondaryBufferImpl_Play(
1401         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags)
1402 {
1403         ICOM_THIS(SecondaryBufferImpl,iface);
1404         TRACE("(%p,%08lx,%08lx,%08lx)\n",This,reserved1,reserved2,flags);
1405
1406         return IDirectSoundBufferImpl_Play((LPDIRECTSOUNDBUFFER8)This->dsb,reserved1,reserved2,flags);
1407 }
1408
1409 static HRESULT WINAPI SecondaryBufferImpl_SetCurrentPosition(
1410         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos)
1411 {
1412         ICOM_THIS(SecondaryBufferImpl,iface);
1413         TRACE("(%p,%ld)\n",This,newpos);
1414
1415         return IDirectSoundBufferImpl_SetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,newpos);
1416 }
1417
1418 static HRESULT WINAPI SecondaryBufferImpl_SetFormat(
1419         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex)
1420 {
1421         ICOM_THIS(SecondaryBufferImpl,iface);
1422         TRACE("(%p,%p)\n",This,wfex);
1423
1424         return IDirectSoundBufferImpl_SetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,wfex);
1425 }
1426
1427 static HRESULT WINAPI SecondaryBufferImpl_SetVolume(
1428         LPDIRECTSOUNDBUFFER8 iface,LONG vol)
1429 {
1430         ICOM_THIS(SecondaryBufferImpl,iface);
1431         TRACE("(%p,%ld)\n",This,vol);
1432
1433         return IDirectSoundBufferImpl_SetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1434 }
1435
1436 static HRESULT WINAPI SecondaryBufferImpl_SetPan(
1437         LPDIRECTSOUNDBUFFER8 iface,LONG pan)
1438 {
1439         ICOM_THIS(SecondaryBufferImpl,iface);
1440         TRACE("(%p,%ld)\n",This,pan);
1441
1442         return IDirectSoundBufferImpl_SetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1443 }
1444
1445 static HRESULT WINAPI SecondaryBufferImpl_SetFrequency(
1446         LPDIRECTSOUNDBUFFER8 iface,DWORD freq)
1447 {
1448         ICOM_THIS(SecondaryBufferImpl,iface);
1449         TRACE("(%p,%ld)\n",This,freq);
1450
1451         return IDirectSoundBufferImpl_SetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1452 }
1453
1454 static HRESULT WINAPI SecondaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
1455 {
1456         ICOM_THIS(SecondaryBufferImpl,iface);
1457         TRACE("(%p)\n",This);
1458
1459         return IDirectSoundBufferImpl_Stop((LPDIRECTSOUNDBUFFER8)This->dsb);
1460 }
1461
1462 static HRESULT WINAPI SecondaryBufferImpl_Unlock(
1463     LPDIRECTSOUNDBUFFER8 iface,
1464     LPVOID lpvAudioPtr1,
1465     DWORD dwAudioBytes1,
1466     LPVOID lpvAudioPtr2,
1467     DWORD dwAudioBytes2)
1468 {
1469     ICOM_THIS(SecondaryBufferImpl,iface);
1470     TRACE("(%p,%p,%ld,%p,%ld)\n",
1471         This, lpvAudioPtr1, dwAudioBytes1, lpvAudioPtr2, dwAudioBytes2);
1472
1473     return IDirectSoundBufferImpl_Unlock((LPDIRECTSOUNDBUFFER8)This->dsb,
1474         lpvAudioPtr1,dwAudioBytes1,lpvAudioPtr2,dwAudioBytes2);
1475 }
1476
1477 static HRESULT WINAPI SecondaryBufferImpl_Restore(
1478         LPDIRECTSOUNDBUFFER8 iface)
1479 {
1480         ICOM_THIS(SecondaryBufferImpl,iface);
1481         TRACE("(%p)\n",This);
1482
1483         return IDirectSoundBufferImpl_Restore((LPDIRECTSOUNDBUFFER8)This->dsb);
1484 }
1485
1486 static HRESULT WINAPI SecondaryBufferImpl_SetFX(
1487         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes)
1488 {
1489         ICOM_THIS(SecondaryBufferImpl,iface);
1490         TRACE("(%p,%lu,%p,%p)\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1491
1492         return IDirectSoundBufferImpl_SetFX((LPDIRECTSOUNDBUFFER8)This->dsb,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1493 }
1494
1495 static HRESULT WINAPI SecondaryBufferImpl_AcquireResources(
1496         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes)
1497 {
1498         ICOM_THIS(SecondaryBufferImpl,iface);
1499         TRACE("(%p,%08lu,%lu,%p)\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
1500
1501         return IDirectSoundBufferImpl_AcquireResources((LPDIRECTSOUNDBUFFER8)This->dsb,dwFlags,dwEffectsCount,pdwResultCodes);
1502 }
1503
1504 static HRESULT WINAPI SecondaryBufferImpl_GetObjectInPath(
1505         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject)
1506 {
1507         ICOM_THIS(SecondaryBufferImpl,iface);
1508         TRACE("(%p,%s,%lu,%s,%p)\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
1509
1510         return IDirectSoundBufferImpl_GetObjectInPath((LPDIRECTSOUNDBUFFER8)This->dsb,rguidObject,dwIndex,rguidInterface,ppObject);
1511 }
1512
1513 static ICOM_VTABLE(IDirectSoundBuffer8) sbvt =
1514 {
1515         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
1516         SecondaryBufferImpl_QueryInterface,
1517         SecondaryBufferImpl_AddRef,
1518         SecondaryBufferImpl_Release,
1519         SecondaryBufferImpl_GetCaps,
1520         SecondaryBufferImpl_GetCurrentPosition,
1521         SecondaryBufferImpl_GetFormat,
1522         SecondaryBufferImpl_GetVolume,
1523         SecondaryBufferImpl_GetPan,
1524         SecondaryBufferImpl_GetFrequency,
1525         SecondaryBufferImpl_GetStatus,
1526         SecondaryBufferImpl_Initialize,
1527         SecondaryBufferImpl_Lock,
1528         SecondaryBufferImpl_Play,
1529         SecondaryBufferImpl_SetCurrentPosition,
1530         SecondaryBufferImpl_SetFormat,
1531         SecondaryBufferImpl_SetVolume,
1532         SecondaryBufferImpl_SetPan,
1533         SecondaryBufferImpl_SetFrequency,
1534         SecondaryBufferImpl_Stop,
1535         SecondaryBufferImpl_Unlock,
1536         SecondaryBufferImpl_Restore,
1537         SecondaryBufferImpl_SetFX,
1538         SecondaryBufferImpl_AcquireResources,
1539         SecondaryBufferImpl_GetObjectInPath
1540 };
1541
1542 HRESULT WINAPI SecondaryBufferImpl_Create(
1543         IDirectSoundBufferImpl *dsb,
1544         SecondaryBufferImpl **psb)
1545 {
1546         SecondaryBufferImpl *sb;
1547         TRACE("(%p,%p)\n",dsb,psb);
1548
1549         sb = (SecondaryBufferImpl*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*sb));
1550
1551         if (sb == 0) {
1552                 WARN("out of memory\n");
1553                 *psb = NULL;
1554                 return DSERR_OUTOFMEMORY;
1555         }
1556         sb->ref = 0;
1557         sb->dsb = dsb;
1558         sb->lpVtbl = &sbvt;
1559
1560         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)dsb);
1561         *psb = sb;
1562         return S_OK;
1563 }
1564
1565 HRESULT WINAPI SecondaryBufferImpl_Destroy(
1566     SecondaryBufferImpl *pdsb)
1567 {
1568     TRACE("(%p)\n",pdsb);
1569
1570     while (SecondaryBufferImpl_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1571
1572     return S_OK;
1573 }