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