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 IDirectSoundNotifyVtbl 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         if (This->dsound->nrofbuffers == 0) {
 408                 HeapFree(GetProcessHeap(),0,This->dsound->buffers);
 409                 This->dsound->buffers = NULL;
 410         }
 411         RtlReleaseResource(&(This->dsound->lock));
 412
 413         DeleteCriticalSection(&(This->lock));
 414
 415         if (This->hwbuf) {
 416                 IDsDriverBuffer_Release(This->hwbuf);
 417                 if (This->dsound->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
 418                         This->buffer->ref--;
 419                         if (This->buffer->ref==0) {
 420                                 HeapFree(GetProcessHeap(),0,This->buffer->memory);
 421                                 HeapFree(GetProcessHeap(),0,This->buffer);
 422                         }
 423                 }
 424         } else {
 425                 This->buffer->ref--;
 426                 if (This->buffer->ref==0) {
 427                         HeapFree(GetProcessHeap(),0,This->buffer->memory);
 428                         HeapFree(GetProcessHeap(),0,This->buffer);
 429                 }
 430         }
 431
 432         if (This->notifies != NULL)
 433                 HeapFree(GetProcessHeap(), 0, This->notifies);
 434
 435         HeapFree(GetProcessHeap(),0,This);
 436
 437         TRACE("(%p) released\n",This);
 438         return 0;
 439 }
 440
 441 DWORD DSOUND_CalcPlayPosition(IDirectSoundBufferImpl *This,
 442                               DWORD state, DWORD pplay, DWORD pwrite, DWORD pmix, DWORD bmix)
 443 {
 444         DWORD bplay;
 445
 446         TRACE("primary playpos=%ld, mixpos=%ld\n", pplay, pmix);
 447         TRACE("this mixpos=%ld, time=%ld\n", bmix, GetTickCount());
 448
 449         /* the actual primary play position (pplay) is always behind last mixed (pmix),
 450          * unless the computer is too slow or something */
 451         /* we need to know how far away we are from there */
 452 #if 0 /* we'll never fill the primary entirely */
 453         if (pmix == pplay) {
 454                 if ((state == STATE_PLAYING) || (state == STATE_STOPPING)) {
 455                         /* wow, the software mixer is really doing well,
 456                          * seems the entire primary buffer is filled! */
 457                         pmix += This->dsound->buflen;
 458                 }
 459                 /* else: the primary buffer is not playing, so probably empty */
 460         }
 461 #endif
 462         if (pmix < pplay) pmix += This->dsound->buflen; /* wraparound */
 463         pmix -= pplay;
 464         /* detect buffer underrun */
 465         if (pwrite < pplay) pwrite += This->dsound->buflen; /* wraparound */
 466         pwrite -= pplay;
 467         if (pmix > (ds_snd_queue_max * This->dsound->fraglen + pwrite + This->dsound->writelead)) {
 468                 WARN("detected an underrun: primary queue was %ld\n",pmix);
 469                 pmix = 0;
 470         }
 471         /* divide the offset by its sample size */
 472         pmix /= This->dsound->wfx.nBlockAlign;
 473         TRACE("primary back-samples=%ld\n",pmix);
 474         /* adjust for our frequency */
 475         pmix = (pmix * This->freqAdjust) >> DSOUND_FREQSHIFT;
 476         /* multiply by our own sample size */
 477         pmix *= This->wfx.nBlockAlign;
 478         TRACE("this back-offset=%ld\n", pmix);
 479         /* subtract from our last mixed position */
 480         bplay = bmix;
 481         while (bplay < pmix) bplay += This->buflen; /* wraparound */
 482         bplay -= pmix;
 483         if (This->leadin && ((bplay < This->startpos) || (bplay > bmix))) {
 484                 /* seems we haven't started playing yet */
 485                 TRACE("this still in lead-in phase\n");
 486                 bplay = This->startpos;
 487         }
 488         /* return the result */
 489         return bplay;
 490 }
 491
 492 static HRESULT WINAPI IDirectSoundBufferImpl_GetCurrentPosition(
 493         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos
 494 ) {
 495         HRESULT hres;
 496         ICOM_THIS(IDirectSoundBufferImpl,iface);
 497         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
 498         if (This->hwbuf) {
 499                 hres=IDsDriverBuffer_GetPosition(This->hwbuf,playpos,writepos);
 500                 if (hres != DS_OK) {
 501                     WARN("IDsDriverBuffer_GetPosition failed\n");
 502                     return hres;
 503                 }
 504         }
 505         else {
 506                 if (playpos && (This->state != STATE_PLAYING)) {
 507                         /* we haven't been merged into the primary buffer (yet) */
 508                         *playpos = This->buf_mixpos;
 509                 }
 510                 else if (playpos) {
 511                         DWORD pplay, pwrite, lplay, splay, pstate;
 512                         /* let's get this exact; first, recursively call GetPosition on the primary */
 513                         EnterCriticalSection(&(This->dsound->mixlock));
 514                         if (DSOUND_PrimaryGetPosition(This->dsound, &pplay, &pwrite) != DS_OK)
 515                                 WARN("DSOUND_PrimaryGetPosition failed\n");
 516                         /* detect HEL mode underrun */
 517                         pstate = This->dsound->state;
 518                         if (!(This->dsound->hwbuf || This->dsound->pwqueue)) {
 519                                 TRACE("detected an underrun\n");
 520                                 /* pplay = ? */
 521                                 if (pstate == STATE_PLAYING)
 522                                         pstate = STATE_STARTING;
 523                                 else if (pstate == STATE_STOPPING)
 524                                         pstate = STATE_STOPPED;
 525                         }
 526                         /* get data for ourselves while we still have the lock */
 527                         pstate &= This->state;
 528                         lplay = This->primary_mixpos;
 529                         splay = This->buf_mixpos;
 530                         if ((This->dsbd.dwFlags & DSBCAPS_GETCURRENTPOSITION2) || This->dsound->hwbuf) {
 531                                 /* calculate play position using this */
 532                                 *playpos = DSOUND_CalcPlayPosition(This, pstate, pplay, pwrite, lplay, splay);
 533                         } else {
 534                                 /* (unless the app isn't using GETCURRENTPOSITION2) */
 535                                 /* don't know exactly how this should be handled...
 536                                  * the docs says that play cursor is reported as directly
 537                                  * behind write cursor, hmm... */
 538                                 /* let's just do what might work for Half-Life */
 539                                 DWORD wp;
 540                                 wp = (This->dsound->pwplay + ds_hel_margin) * This->dsound->fraglen;
 541                                 while (wp >= This->dsound->buflen)
 542                                         wp -= This->dsound->buflen;
 543                                 *playpos = DSOUND_CalcPlayPosition(This, pstate, wp, pwrite, lplay, splay);
 544                         }
 545                         LeaveCriticalSection(&(This->dsound->mixlock));
 546                 }
 547                 if (writepos) *writepos = This->buf_mixpos;
 548         }
 549         if (writepos) {
 550                 if (This->state != STATE_STOPPED)
 551                         /* apply the documented 10ms lead to writepos */
 552                         *writepos += This->writelead;
 553                 while (*writepos >= This->buflen) *writepos -= This->buflen;
 554         }
 555         if (playpos) This->last_playpos = *playpos;
 556         TRACE("playpos = %ld, writepos = %ld (%p, time=%ld)\n", playpos?*playpos:0, writepos?*writepos:0, This, GetTickCount());
 557         return DS_OK;
 558 }
 559
 560 static HRESULT WINAPI IDirectSoundBufferImpl_GetStatus(
 561         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status
 562 ) {
 563         ICOM_THIS(IDirectSoundBufferImpl,iface);
 564         TRACE("(%p,%p), thread is %04lx\n",This,status,GetCurrentThreadId());
 565
 566         if (status == NULL) {
 567                 WARN("invalid parameter: status = NULL\n");
 568                 return DSERR_INVALIDPARAM;
 569         }
 570
 571         *status = 0;
 572         if ((This->state == STATE_STARTING) || (This->state == STATE_PLAYING)) {
 573                 *status |= DSBSTATUS_PLAYING;
 574                 if (This->playflags & DSBPLAY_LOOPING)
 575                         *status |= DSBSTATUS_LOOPING;
 576         }
 577
 578         TRACE("status=%lx\n", *status);
 579         return DS_OK;
 580 }
 581
 582
 583 static HRESULT WINAPI IDirectSoundBufferImpl_GetFormat(
 584         LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX lpwf,DWORD wfsize,LPDWORD wfwritten
 585 ) {
 586         ICOM_THIS(IDirectSoundBufferImpl,iface);
 587         TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
 588
 589         if (wfsize>sizeof(This->wfx))
 590                 wfsize = sizeof(This->wfx);
 591         if (lpwf) {     /* NULL is valid */
 592                 memcpy(lpwf,&(This->wfx),wfsize);
 593                 if (wfwritten)
 594                         *wfwritten = wfsize;
 595         } else {
 596                 if (wfwritten)
 597                         *wfwritten = sizeof(This->wfx);
 598                 else {
 599                         WARN("invalid parameter: wfwritten == NULL\n");
 600                         return DSERR_INVALIDPARAM;
 601                 }
 602         }
 603
 604         return DS_OK;
 605 }
 606
 607 static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
 608         LPDIRECTSOUNDBUFFER8 iface,DWORD writecursor,DWORD writebytes,LPVOID lplpaudioptr1,LPDWORD audiobytes1,LPVOID lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 609 ) {
 610         HRESULT hres = DS_OK;
 611         ICOM_THIS(IDirectSoundBufferImpl,iface);
 612
 613         TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx) at %ld\n",
 614                 This,
 615                 writecursor,
 616                 writebytes,
 617                 lplpaudioptr1,
 618                 audiobytes1,
 619                 lplpaudioptr2,
 620                 audiobytes2,
 621                 flags,
 622                 GetTickCount()
 623         );
 624
 625         if (flags & DSBLOCK_FROMWRITECURSOR) {
 626                 DWORD writepos;
 627                 /* GetCurrentPosition does too much magic to duplicate here */
 628                 hres = IDirectSoundBufferImpl_GetCurrentPosition(iface, NULL, &writepos);
 629                 if (hres != DS_OK) {
 630                         WARN("IDirectSoundBufferImpl_GetCurrentPosition failed\n");
 631                         return hres;
 632                 }
 633                 writecursor += writepos;
 634         }
 635         while (writecursor >= This->buflen)
 636                 writecursor -= This->buflen;
 637         if (flags & DSBLOCK_ENTIREBUFFER)
 638                 writebytes = This->buflen;
 639         if (writebytes > This->buflen)
 640                 writebytes = This->buflen;
 641
 642         EnterCriticalSection(&(This->lock));
 643
 644         if ((writebytes == This->buflen) &&
 645             ((This->state == STATE_STARTING) ||
 646              (This->state == STATE_PLAYING)))
 647                 /* some games, like Half-Life, try to be clever (not) and
 648                  * keep one secondary buffer, and mix sounds into it itself,
 649                  * locking the entire buffer every time... so we can just forget
 650                  * about tracking the last-written-to-position... */
 651                 This->probably_valid_to = (DWORD)-1;
 652         else
 653                 This->probably_valid_to = writecursor;
 654
 655         if (!(This->dsound->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 656                 hres = IDsDriverBuffer_Lock(This->hwbuf,
 657                                      lplpaudioptr1, audiobytes1,
 658                                      lplpaudioptr2, audiobytes2,
 659                                      writecursor, writebytes,
 660                                      0);
 661                 if (hres != DS_OK) {
 662                         WARN("IDsDriverBuffer_Lock failed\n");
 663                         LeaveCriticalSection(&(This->lock));
 664                         return hres;
 665                 }
 666         } else {
 667                 BOOL remix = FALSE;
 668                 if (writecursor+writebytes <= This->buflen) {
 669                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 670                         *audiobytes1 = writebytes;
 671                         if (lplpaudioptr2)
 672                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 673                         if (audiobytes2)
 674                                 *audiobytes2 = 0;
 675                         TRACE("->%ld.0\n",writebytes);
 676                 } else {
 677                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 678                         *audiobytes1 = This->buflen-writecursor;
 679                         if (lplpaudioptr2)
 680                                 *(LPBYTE*)lplpaudioptr2 = This->buffer->memory;
 681                         if (audiobytes2)
 682                                 *audiobytes2 = writebytes-(This->buflen-writecursor);
 683                         TRACE("->%ld.%ld\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 684                 }
 685                 if (This->state == STATE_PLAYING) {
 686                         /* if the segment between playpos and buf_mixpos is touched,
 687                          * we need to cancel some mixing */
 688                         /* we'll assume that the app always calls GetCurrentPosition before
 689                          * locking a playing buffer, so that last_playpos is up-to-date */
 690                         if (This->buf_mixpos >= This->last_playpos) {
 691                                 if (This->buf_mixpos > writecursor &&
 692                                     This->last_playpos < writecursor+writebytes)
 693                                         remix = TRUE;
 694                         }
 695                         else {
 696                                 if (This->buf_mixpos > writecursor ||
 697                                     This->last_playpos < writecursor+writebytes)
 698                                         remix = TRUE;
 699                         }
 700                         if (remix) {
 701                                 TRACE("locking prebuffered region, ouch\n");
 702                                 DSOUND_MixCancelAt(This, writecursor);
 703                         }
 704                 }
 705         }
 706
 707         LeaveCriticalSection(&(This->lock));
 708         return DS_OK;
 709 }
 710
 711 static HRESULT WINAPI IDirectSoundBufferImpl_SetCurrentPosition(
 712         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos
 713 ) {
 714         HRESULT hres = DS_OK;
 715         ICOM_THIS(IDirectSoundBufferImpl,iface);
 716         TRACE("(%p,%ld)\n",This,newpos);
 717
 718         /* **** */
 719         EnterCriticalSection(&(This->lock));
 720
 721         while (newpos >= This->buflen)
 722                 newpos -= This->buflen;
 723         This->buf_mixpos = newpos;
 724         if (This->hwbuf) {
 725                 hres = IDsDriverBuffer_SetPosition(This->hwbuf, This->buf_mixpos);
 726                 if (hres != DS_OK)
 727                         WARN("IDsDriverBuffer_SetPosition failed\n");
 728         }
 729
 730         LeaveCriticalSection(&(This->lock));
 731         /* **** */
 732
 733         return hres;
 734 }
 735
 736 static HRESULT WINAPI IDirectSoundBufferImpl_SetPan(
 737         LPDIRECTSOUNDBUFFER8 iface,LONG pan
 738 ) {
 739         HRESULT hres = DS_OK;
 740         ICOM_THIS(IDirectSoundBufferImpl,iface);
 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         if (This->volpan.lPan != pan) {
 760                 This->volpan.lPan = pan;
 761                 DSOUND_RecalcVolPan(&(This->volpan));
 762
 763                 if (This->hwbuf) {
 764                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
 765                         if (hres != DS_OK)
 766                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
 767                 } else
 768                         DSOUND_ForceRemix(This);
 769         }
 770
 771         LeaveCriticalSection(&(This->lock));
 772         /* **** */
 773
 774         return hres;
 775 }
 776
 777 static HRESULT WINAPI IDirectSoundBufferImpl_GetPan(
 778         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan
 779 ) {
 780         ICOM_THIS(IDirectSoundBufferImpl,iface);
 781         TRACE("(%p,%p)\n",This,pan);
 782
 783         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 784                 WARN("control unavailable\n");
 785                 return DSERR_CONTROLUNAVAIL;
 786         }
 787
 788         if (pan == NULL) {
 789                 WARN("invalid parameter: pan = NULL\n");
 790                 return DSERR_INVALIDPARAM;
 791         }
 792
 793         *pan = This->volpan.lPan;
 794
 795         return DS_OK;
 796 }
 797
 798 static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
 799         LPDIRECTSOUNDBUFFER8 iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 800 ) {
 801         ICOM_THIS(IDirectSoundBufferImpl,iface);
 802         DWORD probably_valid_to;
 803
 804         TRACE("(%p,%p,%ld,%p,%ld)\n", This,p1,x1,p2,x2);
 805
 806         if (!(This->dsound->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 807                 HRESULT hres;
 808                 hres = IDsDriverBuffer_Unlock(This->hwbuf, p1, x1, p2, x2);
 809                 if (hres != DS_OK) {
 810                         WARN("IDsDriverBuffer_Unlock failed\n");
 811                         return hres;
 812                 }
 813         }
 814
 815         if (p2) probably_valid_to = (((LPBYTE)p2)-This->buffer->memory) + x2;
 816         else probably_valid_to = (((LPBYTE)p1)-This->buffer->memory) + x1;
 817         while (probably_valid_to >= This->buflen)
 818                 probably_valid_to -= This->buflen;
 819         if ((probably_valid_to == 0) && ((x1+x2) == This->buflen) &&
 820             ((This->state == STATE_STARTING) ||
 821              (This->state == STATE_PLAYING)))
 822                 /* see IDirectSoundBufferImpl_Lock */
 823                 probably_valid_to = (DWORD)-1;
 824         This->probably_valid_to = probably_valid_to;
 825
 826         return DS_OK;
 827 }
 828
 829 static HRESULT WINAPI IDirectSoundBufferImpl_Restore(
 830         LPDIRECTSOUNDBUFFER8 iface
 831 ) {
 832         ICOM_THIS(IDirectSoundBufferImpl,iface);
 833         FIXME("(%p):stub\n",This);
 834         return DS_OK;
 835 }
 836
 837 static HRESULT WINAPI IDirectSoundBufferImpl_GetFrequency(
 838         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq
 839 ) {
 840         ICOM_THIS(IDirectSoundBufferImpl,iface);
 841         TRACE("(%p,%p)\n",This,freq);
 842
 843         if (freq == NULL) {
 844                 WARN("invalid parameter: freq = NULL\n");
 845                 return DSERR_INVALIDPARAM;
 846         }
 847
 848         *freq = This->freq;
 849         TRACE("-> %ld\n", *freq);
 850
 851         return DS_OK;
 852 }
 853
 854 static HRESULT WINAPI IDirectSoundBufferImpl_SetFX(
 855         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes
 856 ) {
 857         ICOM_THIS(IDirectSoundBufferImpl,iface);
 858         DWORD u;
 859
 860         FIXME("(%p,%lu,%p,%p): stub\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
 861
 862         if (pdwResultCodes)
 863                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 864
 865         WARN("control unavailable\n");
 866         return DSERR_CONTROLUNAVAIL;
 867 }
 868
 869 static HRESULT WINAPI IDirectSoundBufferImpl_AcquireResources(
 870         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes
 871 ) {
 872         ICOM_THIS(IDirectSoundBufferImpl,iface);
 873         DWORD u;
 874
 875         FIXME("(%p,%08lu,%lu,%p): stub\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
 876
 877         if (pdwResultCodes)
 878                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 879
 880         WARN("control unavailable\n");
 881         return DSERR_CONTROLUNAVAIL;
 882 }
 883
 884 static HRESULT WINAPI IDirectSoundBufferImpl_GetObjectInPath(
 885         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject
 886 ) {
 887         ICOM_THIS(IDirectSoundBufferImpl,iface);
 888
 889         FIXME("(%p,%s,%lu,%s,%p): stub\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
 890
 891         WARN("control unavailable\n");
 892         return DSERR_CONTROLUNAVAIL;
 893 }
 894
 895 static HRESULT WINAPI IDirectSoundBufferImpl_Initialize(
 896         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
 897 ) {
 898         ICOM_THIS(IDirectSoundBufferImpl,iface);
 899         FIXME("(%p,%p,%p):stub\n",This,dsound,dbsd);
 900         DPRINTF("Re-Init!!!\n");
 901         WARN("already initialized\n");
 902         return DSERR_ALREADYINITIALIZED;
 903 }
 904
 905 static HRESULT WINAPI IDirectSoundBufferImpl_GetCaps(
 906         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps
 907 ) {
 908         ICOM_THIS(IDirectSoundBufferImpl,iface);
 909         TRACE("(%p)->(%p)\n",This,caps);
 910
 911         if (caps == NULL) {
 912                 WARN("invalid parameter: caps == NULL\n");
 913                 return DSERR_INVALIDPARAM;
 914         }
 915
 916         if (caps->dwSize < sizeof(*caps)) {
 917                 WARN("invalid parameter: caps->dwSize = %ld < %d\n",caps->dwSize, sizeof(*caps));
 918                 return DSERR_INVALIDPARAM;
 919         }
 920
 921         caps->dwFlags = This->dsbd.dwFlags;
 922         if (This->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
 923         else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
 924
 925         caps->dwBufferBytes = This->buflen;
 926
 927         /* This value represents the speed of the "unlock" command.
 928            As unlock is quite fast (it does not do anything), I put
 929            4096 ko/s = 4 Mo / s */
 930         /* FIXME: hwbuf speed */
 931         caps->dwUnlockTransferRate = 4096;
 932         caps->dwPlayCpuOverhead = 0;
 933
 934         return DS_OK;
 935 }
 936
 937 static HRESULT WINAPI IDirectSoundBufferImpl_QueryInterface(
 938         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj
 939 ) {
 940         ICOM_THIS(IDirectSoundBufferImpl,iface);
 941
 942         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 943
 944         if (ppobj == NULL) {
 945                 WARN("invalid parameter\n");
 946                 return E_INVALIDARG;
 947         }
 948
 949         *ppobj = NULL;  /* assume failure */
 950
 951         if ( IsEqualGUID(riid, &IID_IUnknown) ||
 952              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ||
 953              IsEqualGUID(riid, &IID_IDirectSoundBuffer8) ) {
 954                 if (!This->dsb)
 955                         SecondaryBufferImpl_Create(This, &(This->dsb));
 956                 if (This->dsb) {
 957                         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)This->dsb);
 958                         *ppobj = This->dsb;
 959                         return S_OK;
 960                 }
 961                 WARN("IID_IDirectSoundBuffer\n");
 962                 return E_NOINTERFACE;
 963         }
 964
 965         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ||
 966              IsEqualGUID( &IID_IDirectSoundNotify8, riid ) ) {
 967                 if (!This->notify)
 968                         IDirectSoundNotifyImpl_Create(This, &(This->notify));
 969                 if (This->notify) {
 970                         IDirectSoundNotify_AddRef((LPDIRECTSOUNDNOTIFY)This->notify);
 971                         *ppobj = This->notify;
 972                         return S_OK;
 973                 }
 974                 WARN("IID_IDirectSoundNotify\n");
 975                 return E_NOINTERFACE;
 976         }
 977
 978         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
 979                 if (!This->ds3db)
 980                         IDirectSound3DBufferImpl_Create(This, &(This->ds3db));
 981                 if (This->ds3db) {
 982                         IDirectSound3DBuffer_AddRef((LPDIRECTSOUND3DBUFFER)This->ds3db);
 983                         *ppobj = This->ds3db;
 984                         return S_OK;
 985                 }
 986                 WARN("IID_IDirectSound3DBuffer\n");
 987                 return E_NOINTERFACE;
 988         }
 989
 990         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
 991                 ERR("app requested IDirectSound3DListener on secondary buffer\n");
 992                 return E_NOINTERFACE;
 993         }
 994
 995         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
 996                 /* only supported on hardware 3D secondary buffers */
 997                 if (!(This->dsbd.dwFlags & DSBCAPS_PRIMARYBUFFER) &&
 998                      (This->dsbd.dwFlags & DSBCAPS_CTRL3D) &&
 999                      (This->hwbuf != NULL) ) {
1000                         if (!This->iks)
1001                                 IKsBufferPropertySetImpl_Create(This, &(This->iks));
1002                         if (This->iks) {
1003                                 IKsPropertySet_AddRef((LPKSPROPERTYSET)*ppobj);
1004                                 *ppobj = This->iks;
1005                                 return S_OK;
1006                         }
1007                 }
1008                 WARN("IID_IKsPropertySet\n");
1009                 return E_NOINTERFACE;
1010         }
1011
1012         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
1013
1014         return E_NOINTERFACE;
1015 }
1016
1017 static IDirectSoundBuffer8Vtbl dsbvt =
1018 {
1019         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
1020         IDirectSoundBufferImpl_QueryInterface,
1021         IDirectSoundBufferImpl_AddRef,
1022         IDirectSoundBufferImpl_Release,
1023         IDirectSoundBufferImpl_GetCaps,
1024         IDirectSoundBufferImpl_GetCurrentPosition,
1025         IDirectSoundBufferImpl_GetFormat,
1026         IDirectSoundBufferImpl_GetVolume,
1027         IDirectSoundBufferImpl_GetPan,
1028         IDirectSoundBufferImpl_GetFrequency,
1029         IDirectSoundBufferImpl_GetStatus,
1030         IDirectSoundBufferImpl_Initialize,
1031         IDirectSoundBufferImpl_Lock,
1032         IDirectSoundBufferImpl_Play,
1033         IDirectSoundBufferImpl_SetCurrentPosition,
1034         IDirectSoundBufferImpl_SetFormat,
1035         IDirectSoundBufferImpl_SetVolume,
1036         IDirectSoundBufferImpl_SetPan,
1037         IDirectSoundBufferImpl_SetFrequency,
1038         IDirectSoundBufferImpl_Stop,
1039         IDirectSoundBufferImpl_Unlock,
1040         IDirectSoundBufferImpl_Restore,
1041         IDirectSoundBufferImpl_SetFX,
1042         IDirectSoundBufferImpl_AcquireResources,
1043         IDirectSoundBufferImpl_GetObjectInPath
1044 };
1045
1046 HRESULT WINAPI IDirectSoundBufferImpl_Create(
1047         IDirectSoundImpl *ds,
1048         IDirectSoundBufferImpl **pdsb,
1049         LPCDSBUFFERDESC dsbd)
1050 {
1051         IDirectSoundBufferImpl *dsb;
1052         LPWAVEFORMATEX wfex = dsbd->lpwfxFormat;
1053         HRESULT err = DS_OK;
1054         DWORD capf = 0;
1055         int use_hw;
1056         TRACE("(%p,%p,%p)\n",ds,pdsb,dsbd);
1057
1058         if (dsbd->dwBufferBytes < DSBSIZE_MIN || dsbd->dwBufferBytes > DSBSIZE_MAX) {
1059                 WARN("invalid parameter: dsbd->dwBufferBytes = %ld\n", dsbd->dwBufferBytes);
1060                 *pdsb = NULL;
1061                 return DSERR_INVALIDPARAM; /* FIXME: which error? */
1062         }
1063
1064         dsb = (IDirectSoundBufferImpl*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1065
1066         if (dsb == 0) {
1067                 WARN("out of memory\n");
1068                 *pdsb = NULL;
1069                 return DSERR_OUTOFMEMORY;
1070         }
1071         dsb->ref = 0;
1072         dsb->dsb = 0;
1073         dsb->dsound = ds;
1074         dsb->lpVtbl = &dsbvt;
1075         dsb->iks = NULL;
1076
1077         memcpy(&dsb->dsbd, dsbd, sizeof(*dsbd));
1078         if (wfex)
1079                 memcpy(&dsb->wfx, wfex, sizeof(dsb->wfx));
1080
1081         TRACE("Created buffer at %p\n", dsb);
1082
1083         dsb->buflen = dsbd->dwBufferBytes;
1084         dsb->freq = dsbd->lpwfxFormat->nSamplesPerSec;
1085
1086         dsb->notify = NULL;
1087         dsb->notifies = NULL;
1088         dsb->nrofnotifies = 0;
1089         dsb->hwnotify = 0;
1090
1091         /* Check necessary hardware mixing capabilities */
1092         if (wfex->nChannels==2) capf |= DSCAPS_SECONDARYSTEREO;
1093         else capf |= DSCAPS_SECONDARYMONO;
1094         if (wfex->wBitsPerSample==16) capf |= DSCAPS_SECONDARY16BIT;
1095         else capf |= DSCAPS_SECONDARY8BIT;
1096
1097         use_hw = (ds->drvcaps.dwFlags & capf) == capf;
1098         TRACE("use_hw = 0x%08x, capf = 0x%08lx, ds->drvcaps.dwFlags = 0x%08lx\n", use_hw, capf, ds->drvcaps.dwFlags);
1099
1100         /* FIXME: check hardware sample rate mixing capabilities */
1101         /* FIXME: check app hints for software/hardware buffer (STATIC, LOCHARDWARE, etc) */
1102         /* FIXME: check whether any hardware buffers are left */
1103         /* FIXME: handle DSDHEAP_CREATEHEAP for hardware buffers */
1104
1105         /* Allocate system memory if applicable */
1106         if ((ds->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) || !use_hw) {
1107                 dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
1108                 if (dsb->buffer == NULL) {
1109                         WARN("out of memory\n");
1110                         HeapFree(GetProcessHeap(),0,dsb);
1111                         *pdsb = NULL;
1112                         return DSERR_OUTOFMEMORY;
1113                 }
1114
1115                 dsb->buffer->memory = (LPBYTE)HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1116                 if (dsb->buffer->memory == NULL) {
1117                         WARN("out of memory\n");
1118                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1119                         HeapFree(GetProcessHeap(),0,dsb);
1120                         *pdsb = NULL;
1121                         return DSERR_OUTOFMEMORY;
1122                 }
1123                 dsb->buffer->ref = 1;
1124         }
1125
1126         /* Allocate the hardware buffer */
1127         if (use_hw) {
1128                 err = IDsDriver_CreateSoundBuffer(ds->driver,wfex,dsbd->dwFlags,0,
1129                                                   &(dsb->buflen),&(dsb->buffer->memory),
1130                                                   (LPVOID*)&(dsb->hwbuf));
1131                 /* fall back to software buffer on failure */
1132                 if (err != DS_OK) {
1133                         TRACE("IDsDriver_CreateSoundBuffer failed, falling back to software buffer\n");
1134                         use_hw = 0;
1135                         if (ds->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
1136                                 dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
1137                                 if (dsb->buffer == NULL) {
1138                                         WARN("out of memory\n");
1139                                         HeapFree(GetProcessHeap(),0,dsb);
1140                                         *pdsb = NULL;
1141                                         return DSERR_OUTOFMEMORY;
1142                                 }
1143
1144                                 dsb->buffer->memory = (LPBYTE)HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1145                                 if (dsb->buffer->memory == NULL) {
1146                                         WARN("out of memory\n");
1147                                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1148                                         HeapFree(GetProcessHeap(),0,dsb);
1149                                         *pdsb = NULL;
1150                                         return DSERR_OUTOFMEMORY;
1151                                 }
1152                                 dsb->buffer->ref = 1;
1153                         }
1154                 }
1155         }
1156
1157         /* calculate fragment size and write lead */
1158         DSOUND_RecalcFormat(dsb);
1159
1160         /* It's not necessary to initialize values to zero since */
1161         /* we allocated this structure with HEAP_ZERO_MEMORY... */
1162         dsb->playpos = 0;
1163         dsb->buf_mixpos = 0;
1164         dsb->state = STATE_STOPPED;
1165
1166         dsb->freqAdjust = (dsb->freq << DSOUND_FREQSHIFT) /
1167                 ds->wfx.nSamplesPerSec;
1168         dsb->nAvgBytesPerSec = dsb->freq *
1169                 dsbd->lpwfxFormat->nBlockAlign;
1170
1171         if (dsb->dsbd.dwFlags & DSBCAPS_CTRL3D) {
1172                 dsb->ds3db_ds3db.dwSize = sizeof(DS3DBUFFER);
1173                 dsb->ds3db_ds3db.vPosition.x = 0.0;
1174                 dsb->ds3db_ds3db.vPosition.y = 0.0;
1175                 dsb->ds3db_ds3db.vPosition.z = 0.0;
1176                 dsb->ds3db_ds3db.vVelocity.x = 0.0;
1177                 dsb->ds3db_ds3db.vVelocity.y = 0.0;
1178                 dsb->ds3db_ds3db.vVelocity.z = 0.0;
1179                 dsb->ds3db_ds3db.dwInsideConeAngle = DS3D_DEFAULTCONEANGLE;
1180                 dsb->ds3db_ds3db.dwOutsideConeAngle = DS3D_DEFAULTCONEANGLE;
1181                 dsb->ds3db_ds3db.vConeOrientation.x = 0.0;
1182                 dsb->ds3db_ds3db.vConeOrientation.y = 0.0;
1183                 dsb->ds3db_ds3db.vConeOrientation.z = 0.0;
1184                 dsb->ds3db_ds3db.lConeOutsideVolume = DS3D_DEFAULTCONEOUTSIDEVOLUME;
1185                 dsb->ds3db_ds3db.flMinDistance = DS3D_DEFAULTMINDISTANCE;
1186                 dsb->ds3db_ds3db.flMaxDistance = DS3D_DEFAULTMAXDISTANCE;
1187                 dsb->ds3db_ds3db.dwMode = DS3DMODE_NORMAL;
1188
1189                 dsb->ds3db_need_recalc = FALSE;
1190                 DSOUND_Calc3DBuffer(dsb);
1191         } else
1192                 DSOUND_RecalcVolPan(&(dsb->volpan));
1193
1194         InitializeCriticalSection(&(dsb->lock));
1195         dsb->lock.DebugInfo->Spare[1] = (DWORD)"DSOUNDBUFFER_lock";
1196
1197         /* register buffer */
1198         RtlAcquireResourceExclusive(&(ds->lock), TRUE);
1199         if (!(dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER)) {
1200                 IDirectSoundBufferImpl **newbuffers;
1201                 if (ds->buffers)
1202                         newbuffers = (IDirectSoundBufferImpl**)HeapReAlloc(GetProcessHeap(),0,ds->buffers,sizeof(IDirectSoundBufferImpl*)*(ds->nrofbuffers+1));
1203                 else
1204                         newbuffers = (IDirectSoundBufferImpl**)HeapAlloc(GetProcessHeap(),0,sizeof(IDirectSoundBufferImpl*)*(ds->nrofbuffers+1));
1205
1206                 if (newbuffers) {
1207                         ds->buffers = newbuffers;
1208                         ds->buffers[ds->nrofbuffers] = dsb;
1209                         ds->nrofbuffers++;
1210                         TRACE("buffer count is now %d\n", ds->nrofbuffers);
1211                 } else {
1212                         ERR("out of memory for buffer list! Current buffer count is %d\n", ds->nrofbuffers);
1213                         if (dsb->buffer->memory)
1214                                 HeapFree(GetProcessHeap(),0,dsb->buffer->memory);
1215                         if (dsb->buffer)
1216                                 HeapFree(GetProcessHeap(),0,dsb->buffer);
1217                         DeleteCriticalSection(&(dsb->lock));
1218                         RtlReleaseResource(&(ds->lock));
1219                         HeapFree(GetProcessHeap(),0,dsb);
1220                         *pdsb = NULL;
1221                         return DSERR_OUTOFMEMORY;
1222                 }
1223         }
1224         RtlReleaseResource(&(ds->lock));
1225         *pdsb = dsb;
1226         return S_OK;
1227 }
1228
1229 HRESULT WINAPI IDirectSoundBufferImpl_Destroy(
1230     IDirectSoundBufferImpl *pdsb)
1231 {
1232     TRACE("(%p)\n",pdsb);
1233
1234     /* This keeps the *_Destroy functions from possibly deleting
1235      * this object until it is ready to be deleted */
1236     IDirectSoundBufferImpl_AddRef((LPDIRECTSOUNDBUFFER8)pdsb);
1237
1238     if (pdsb->iks) {
1239         WARN("iks not NULL\n");
1240         IKsBufferPropertySetImpl_Destroy(pdsb->iks);
1241         pdsb->iks = NULL;
1242     }
1243
1244     if (pdsb->ds3db) {
1245         WARN("ds3db not NULL\n");
1246         IDirectSound3DBufferImpl_Destroy(pdsb->ds3db);
1247         pdsb->ds3db = NULL;
1248     }
1249
1250     if (pdsb->notify) {
1251         WARN("notify not NULL\n");
1252         IDirectSoundNotifyImpl_Destroy(pdsb->notify);
1253         pdsb->notify = NULL;
1254     }
1255
1256     if (pdsb->dsb) {
1257         WARN("dsb not NULL\n");
1258         SecondaryBufferImpl_Destroy(pdsb->dsb);
1259         pdsb->dsb = NULL;
1260     }
1261
1262     while (IDirectSoundBuffer8_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1263
1264     return S_OK;
1265 }
1266
1267 /*******************************************************************************
1268  *              SecondaryBuffer
1269  */
1270
1271 static HRESULT WINAPI SecondaryBufferImpl_QueryInterface(
1272         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj)
1273 {
1274         ICOM_THIS(SecondaryBufferImpl,iface);
1275         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
1276
1277         return IDirectSoundBufferImpl_QueryInterface((LPDIRECTSOUNDBUFFER8)This->dsb,riid,ppobj);
1278 }
1279
1280 static DWORD WINAPI SecondaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
1281 {
1282         ICOM_THIS(IDirectSoundBufferImpl,iface);
1283         DWORD ref;
1284         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
1285
1286         ref = InterlockedIncrement(&(This->ref));
1287         if (!ref) {
1288                 FIXME("thread-safety alert! AddRef-ing with a zero refcount!\n");
1289         }
1290         return ref;
1291 }
1292
1293 static DWORD WINAPI SecondaryBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
1294 {
1295         ICOM_THIS(IDirectSoundBufferImpl,iface);
1296         DWORD ref;
1297         TRACE("(%p) ref was %ld, thread is %04lx\n",This, This->ref, GetCurrentThreadId());
1298
1299         ref = InterlockedDecrement(&(This->ref));
1300         if (!ref) {
1301                 This->dsb->dsb = NULL;
1302                 IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER8)This->dsb);
1303                 HeapFree(GetProcessHeap(),0,This);
1304                 TRACE("(%p) released\n",This);
1305         }
1306         return ref;
1307 }
1308
1309 static HRESULT WINAPI SecondaryBufferImpl_GetCaps(
1310         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps)
1311 {
1312         ICOM_THIS(SecondaryBufferImpl,iface);
1313         TRACE("(%p)->(%p)\n",This,caps);
1314
1315         return IDirectSoundBufferImpl_GetCaps((LPDIRECTSOUNDBUFFER8)This->dsb,caps);
1316 }
1317
1318 static HRESULT WINAPI SecondaryBufferImpl_GetCurrentPosition(
1319         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos)
1320 {
1321         ICOM_THIS(SecondaryBufferImpl,iface);
1322         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
1323
1324         return IDirectSoundBufferImpl_GetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,playpos,writepos);
1325 }
1326
1327 static HRESULT WINAPI SecondaryBufferImpl_GetFormat(
1328         LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX lpwf,DWORD wfsize,LPDWORD wfwritten)
1329 {
1330         ICOM_THIS(SecondaryBufferImpl,iface);
1331         TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
1332
1333         return IDirectSoundBufferImpl_GetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,lpwf,wfsize,wfwritten);
1334 }
1335
1336 static HRESULT WINAPI SecondaryBufferImpl_GetVolume(
1337         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol)
1338 {
1339         ICOM_THIS(SecondaryBufferImpl,iface);
1340         TRACE("(%p,%p)\n",This,vol);
1341
1342         return IDirectSoundBufferImpl_GetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1343 }
1344
1345 static HRESULT WINAPI SecondaryBufferImpl_GetPan(
1346         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan)
1347 {
1348         ICOM_THIS(SecondaryBufferImpl,iface);
1349         TRACE("(%p,%p)\n",This,pan);
1350
1351         return IDirectSoundBufferImpl_GetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1352 }
1353
1354 static HRESULT WINAPI SecondaryBufferImpl_GetFrequency(
1355         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq)
1356 {
1357         ICOM_THIS(SecondaryBufferImpl,iface);
1358         TRACE("(%p,%p)\n",This,freq);
1359
1360         return IDirectSoundBufferImpl_GetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1361 }
1362
1363 static HRESULT WINAPI SecondaryBufferImpl_GetStatus(
1364         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status)
1365 {
1366         ICOM_THIS(SecondaryBufferImpl,iface);
1367         TRACE("(%p,%p)\n",This,status);
1368
1369         return IDirectSoundBufferImpl_GetStatus((LPDIRECTSOUNDBUFFER8)This->dsb,status);
1370 }
1371
1372 static HRESULT WINAPI SecondaryBufferImpl_Initialize(
1373         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd)
1374 {
1375         ICOM_THIS(SecondaryBufferImpl,iface);
1376         TRACE("(%p,%p,%p)\n",This,dsound,dbsd);
1377
1378         return IDirectSoundBufferImpl_Initialize((LPDIRECTSOUNDBUFFER8)This->dsb,dsound,dbsd);
1379 }
1380
1381 static HRESULT WINAPI SecondaryBufferImpl_Lock(
1382     LPDIRECTSOUNDBUFFER8 iface,
1383     DWORD writecursor,
1384     DWORD writebytes,
1385     LPVOID lplpaudioptr1,
1386     LPDWORD audiobytes1,
1387     LPVOID lplpaudioptr2,
1388     LPDWORD audiobytes2,
1389     DWORD dwFlags)
1390 {
1391     ICOM_THIS(SecondaryBufferImpl,iface);
1392     TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx)\n",
1393         This,writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1394
1395     return IDirectSoundBufferImpl_Lock((LPDIRECTSOUNDBUFFER8)This->dsb,
1396         writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1397 }
1398
1399 static HRESULT WINAPI SecondaryBufferImpl_Play(
1400         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags)
1401 {
1402         ICOM_THIS(SecondaryBufferImpl,iface);
1403         TRACE("(%p,%08lx,%08lx,%08lx)\n",This,reserved1,reserved2,flags);
1404
1405         return IDirectSoundBufferImpl_Play((LPDIRECTSOUNDBUFFER8)This->dsb,reserved1,reserved2,flags);
1406 }
1407
1408 static HRESULT WINAPI SecondaryBufferImpl_SetCurrentPosition(
1409         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos)
1410 {
1411         ICOM_THIS(SecondaryBufferImpl,iface);
1412         TRACE("(%p,%ld)\n",This,newpos);
1413
1414         return IDirectSoundBufferImpl_SetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,newpos);
1415 }
1416
1417 static HRESULT WINAPI SecondaryBufferImpl_SetFormat(
1418         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex)
1419 {
1420         ICOM_THIS(SecondaryBufferImpl,iface);
1421         TRACE("(%p,%p)\n",This,wfex);
1422
1423         return IDirectSoundBufferImpl_SetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,wfex);
1424 }
1425
1426 static HRESULT WINAPI SecondaryBufferImpl_SetVolume(
1427         LPDIRECTSOUNDBUFFER8 iface,LONG vol)
1428 {
1429         ICOM_THIS(SecondaryBufferImpl,iface);
1430         TRACE("(%p,%ld)\n",This,vol);
1431
1432         return IDirectSoundBufferImpl_SetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1433 }
1434
1435 static HRESULT WINAPI SecondaryBufferImpl_SetPan(
1436         LPDIRECTSOUNDBUFFER8 iface,LONG pan)
1437 {
1438         ICOM_THIS(SecondaryBufferImpl,iface);
1439         TRACE("(%p,%ld)\n",This,pan);
1440
1441         return IDirectSoundBufferImpl_SetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1442 }
1443
1444 static HRESULT WINAPI SecondaryBufferImpl_SetFrequency(
1445         LPDIRECTSOUNDBUFFER8 iface,DWORD freq)
1446 {
1447         ICOM_THIS(SecondaryBufferImpl,iface);
1448         TRACE("(%p,%ld)\n",This,freq);
1449
1450         return IDirectSoundBufferImpl_SetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1451 }
1452
1453 static HRESULT WINAPI SecondaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
1454 {
1455         ICOM_THIS(SecondaryBufferImpl,iface);
1456         TRACE("(%p)\n",This);
1457
1458         return IDirectSoundBufferImpl_Stop((LPDIRECTSOUNDBUFFER8)This->dsb);
1459 }
1460
1461 static HRESULT WINAPI SecondaryBufferImpl_Unlock(
1462     LPDIRECTSOUNDBUFFER8 iface,
1463     LPVOID lpvAudioPtr1,
1464     DWORD dwAudioBytes1,
1465     LPVOID lpvAudioPtr2,
1466     DWORD dwAudioBytes2)
1467 {
1468     ICOM_THIS(SecondaryBufferImpl,iface);
1469     TRACE("(%p,%p,%ld,%p,%ld)\n",
1470         This, lpvAudioPtr1, dwAudioBytes1, lpvAudioPtr2, dwAudioBytes2);
1471
1472     return IDirectSoundBufferImpl_Unlock((LPDIRECTSOUNDBUFFER8)This->dsb,
1473         lpvAudioPtr1,dwAudioBytes1,lpvAudioPtr2,dwAudioBytes2);
1474 }
1475
1476 static HRESULT WINAPI SecondaryBufferImpl_Restore(
1477         LPDIRECTSOUNDBUFFER8 iface)
1478 {
1479         ICOM_THIS(SecondaryBufferImpl,iface);
1480         TRACE("(%p)\n",This);
1481
1482         return IDirectSoundBufferImpl_Restore((LPDIRECTSOUNDBUFFER8)This->dsb);
1483 }
1484
1485 static HRESULT WINAPI SecondaryBufferImpl_SetFX(
1486         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes)
1487 {
1488         ICOM_THIS(SecondaryBufferImpl,iface);
1489         TRACE("(%p,%lu,%p,%p)\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1490
1491         return IDirectSoundBufferImpl_SetFX((LPDIRECTSOUNDBUFFER8)This->dsb,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1492 }
1493
1494 static HRESULT WINAPI SecondaryBufferImpl_AcquireResources(
1495         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes)
1496 {
1497         ICOM_THIS(SecondaryBufferImpl,iface);
1498         TRACE("(%p,%08lu,%lu,%p)\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
1499
1500         return IDirectSoundBufferImpl_AcquireResources((LPDIRECTSOUNDBUFFER8)This->dsb,dwFlags,dwEffectsCount,pdwResultCodes);
1501 }
1502
1503 static HRESULT WINAPI SecondaryBufferImpl_GetObjectInPath(
1504         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject)
1505 {
1506         ICOM_THIS(SecondaryBufferImpl,iface);
1507         TRACE("(%p,%s,%lu,%s,%p)\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
1508
1509         return IDirectSoundBufferImpl_GetObjectInPath((LPDIRECTSOUNDBUFFER8)This->dsb,rguidObject,dwIndex,rguidInterface,ppObject);
1510 }
1511
1512 static IDirectSoundBuffer8Vtbl sbvt =
1513 {
1514         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
1515         SecondaryBufferImpl_QueryInterface,
1516         SecondaryBufferImpl_AddRef,
1517         SecondaryBufferImpl_Release,
1518         SecondaryBufferImpl_GetCaps,
1519         SecondaryBufferImpl_GetCurrentPosition,
1520         SecondaryBufferImpl_GetFormat,
1521         SecondaryBufferImpl_GetVolume,
1522         SecondaryBufferImpl_GetPan,
1523         SecondaryBufferImpl_GetFrequency,
1524         SecondaryBufferImpl_GetStatus,
1525         SecondaryBufferImpl_Initialize,
1526         SecondaryBufferImpl_Lock,
1527         SecondaryBufferImpl_Play,
1528         SecondaryBufferImpl_SetCurrentPosition,
1529         SecondaryBufferImpl_SetFormat,
1530         SecondaryBufferImpl_SetVolume,
1531         SecondaryBufferImpl_SetPan,
1532         SecondaryBufferImpl_SetFrequency,
1533         SecondaryBufferImpl_Stop,
1534         SecondaryBufferImpl_Unlock,
1535         SecondaryBufferImpl_Restore,
1536         SecondaryBufferImpl_SetFX,
1537         SecondaryBufferImpl_AcquireResources,
1538         SecondaryBufferImpl_GetObjectInPath
1539 };
1540
1541 HRESULT WINAPI SecondaryBufferImpl_Create(
1542         IDirectSoundBufferImpl *dsb,
1543         SecondaryBufferImpl **psb)
1544 {
1545         SecondaryBufferImpl *sb;
1546         TRACE("(%p,%p)\n",dsb,psb);
1547
1548         sb = (SecondaryBufferImpl*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*sb));
1549
1550         if (sb == 0) {
1551                 WARN("out of memory\n");
1552                 *psb = NULL;
1553                 return DSERR_OUTOFMEMORY;
1554         }
1555         sb->ref = 0;
1556         sb->dsb = dsb;
1557         sb->lpVtbl = &sbvt;
1558
1559         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)dsb);
1560         *psb = sb;
1561         return S_OK;
1562 }
1563
1564 HRESULT WINAPI SecondaryBufferImpl_Destroy(
1565     SecondaryBufferImpl *pdsb)
1566 {
1567     TRACE("(%p)\n",pdsb);
1568
1569     while (SecondaryBufferImpl_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1570
1571     return S_OK;
1572 }