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 <stdarg.h>
  23
  24 #define NONAMELESSSTRUCT
  25 #define NONAMELESSUNION
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "mmsystem.h"
  29 #include "winreg.h"
  30 #include "winternl.h"
  31 #include "wine/debug.h"
  32 #include "dsound.h"
  33 #include "dsdriver.h"
  34 #include "dsound_private.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  37
  38 /*******************************************************************************
  39  *              IDirectSoundNotify
  40  */
  41 static HRESULT WINAPI IDirectSoundNotifyImpl_QueryInterface(
  42         LPDIRECTSOUNDNOTIFY iface,REFIID riid,LPVOID *ppobj
  43 ) {
  44         IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  45         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
  46
  47         if (This->dsb == NULL) {
  48                 WARN("invalid parameter\n");
  49                 return E_INVALIDARG;
  50         }
  51
  52         return IDirectSoundBuffer_QueryInterface((LPDIRECTSOUNDBUFFER)This->dsb, riid, ppobj);
  53 }
  54
  55 static ULONG WINAPI IDirectSoundNotifyImpl_AddRef(LPDIRECTSOUNDNOTIFY iface)
  56 {
  57     IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  58     ULONG ref = InterlockedIncrement(&(This->ref));
  59     TRACE("(%p) ref was %ld\n", This, ref - 1);
  60     return ref;
  61 }
  62
  63 static ULONG WINAPI IDirectSoundNotifyImpl_Release(LPDIRECTSOUNDNOTIFY iface)
  64 {
  65     IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  66     ULONG ref = InterlockedDecrement(&(This->ref));
  67     TRACE("(%p) ref was %ld\n", This, ref + 1);
  68
  69     if (!ref) {
  70         IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER)This->dsb);
  71         This->dsb->notify = NULL;
  72         HeapFree(GetProcessHeap(), 0, This);
  73         TRACE("(%p) released\n", This);
  74     }
  75     return ref;
  76 }
  77
  78 static HRESULT WINAPI IDirectSoundNotifyImpl_SetNotificationPositions(
  79         LPDIRECTSOUNDNOTIFY iface,DWORD howmuch,LPCDSBPOSITIONNOTIFY notify
  80 ) {
  81         IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  82         TRACE("(%p,0x%08lx,%p)\n",This,howmuch,notify);
  83
  84         if (howmuch > 0 && notify == NULL) {
  85             WARN("invalid parameter: notify == NULL\n");
  86             return DSERR_INVALIDPARAM;
  87         }
  88
  89         if (TRACE_ON(dsound)) {
  90             unsigned int        i;
  91             for (i=0;i<howmuch;i++)
  92                 TRACE("notify at %ld to 0x%08lx\n",
  93                     notify[i].dwOffset,(DWORD)notify[i].hEventNotify);
  94         }
  95
  96         if (This->dsb->hwnotify) {
  97             HRESULT hres;
  98             hres = IDsDriverNotify_SetNotificationPositions(This->dsb->hwnotify, howmuch, notify);
  99             if (hres != DS_OK)
 100                     WARN("IDsDriverNotify_SetNotificationPositions failed\n");
 101             return hres;
 102         } else if (howmuch > 0) {
 103             /* Make an internal copy of the caller-supplied array.
 104              * Replace the existing copy if one is already present. */
 105             if (This->dsb->notifies)
 106                     This->dsb->notifies = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 107                         This->dsb->notifies, howmuch * sizeof(DSBPOSITIONNOTIFY));
 108             else
 109                     This->dsb->notifies = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 110                         howmuch * sizeof(DSBPOSITIONNOTIFY));
 111
 112             if (This->dsb->notifies == NULL) {
 113                     WARN("out of memory\n");
 114                     return DSERR_OUTOFMEMORY;
 115             }
 116             CopyMemory(This->dsb->notifies, notify, howmuch * sizeof(DSBPOSITIONNOTIFY));
 117             This->dsb->nrofnotifies = howmuch;
 118         } else {
 119            HeapFree(GetProcessHeap(), 0, This->dsb->notifies);
 120            This->dsb->notifies = NULL;
 121            This->dsb->nrofnotifies = 0;
 122         }
 123
 124         return S_OK;
 125 }
 126
 127 static const IDirectSoundNotifyVtbl dsnvt =
 128 {
 129     IDirectSoundNotifyImpl_QueryInterface,
 130     IDirectSoundNotifyImpl_AddRef,
 131     IDirectSoundNotifyImpl_Release,
 132     IDirectSoundNotifyImpl_SetNotificationPositions,
 133 };
 134
 135 HRESULT WINAPI IDirectSoundNotifyImpl_Create(
 136     IDirectSoundBufferImpl * dsb,
 137     IDirectSoundNotifyImpl **pdsn)
 138 {
 139     IDirectSoundNotifyImpl * dsn;
 140     TRACE("(%p,%p)\n",dsb,pdsn);
 141
 142     dsn = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(dsn));
 143
 144     if (dsn == NULL) {
 145         WARN("out of memory\n");
 146         return DSERR_OUTOFMEMORY;
 147     }
 148
 149     dsn->ref = 0;
 150     dsn->lpVtbl = &dsnvt;
 151     dsn->dsb = dsb;
 152     dsb->notify = dsn;
 153     IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)dsb);
 154
 155     *pdsn = dsn;
 156     return DS_OK;
 157 }
 158
 159 HRESULT WINAPI IDirectSoundNotifyImpl_Destroy(
 160     IDirectSoundNotifyImpl *pdsn)
 161 {
 162     TRACE("(%p)\n",pdsn);
 163
 164     while (IDirectSoundNotifyImpl_Release((LPDIRECTSOUNDNOTIFY)pdsn) > 0);
 165
 166     return DS_OK;
 167 }
 168
 169 /*******************************************************************************
 170  *              IDirectSoundBuffer
 171  */
 172
 173 static HRESULT WINAPI IDirectSoundBufferImpl_SetFormat(
 174         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex
 175 ) {
 176         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 177
 178         TRACE("(%p,%p)\n",This,wfex);
 179         /* This method is not available on secondary buffers */
 180         WARN("invalid call\n");
 181         return DSERR_INVALIDCALL;
 182 }
 183
 184 static HRESULT WINAPI IDirectSoundBufferImpl_SetVolume(
 185         LPDIRECTSOUNDBUFFER8 iface,LONG vol
 186 ) {
 187         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 188         LONG oldVol;
 189         HRESULT hres = DS_OK;
 190
 191         TRACE("(%p,%ld)\n",This,vol);
 192
 193         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 194                 WARN("control unavailable: This->dsbd.dwFlags = 0x%08lx\n", This->dsbd.dwFlags);
 195                 return DSERR_CONTROLUNAVAIL;
 196         }
 197
 198         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 199                 WARN("invalid parameter: vol = %ld\n", vol);
 200                 return DSERR_INVALIDPARAM;
 201         }
 202
 203         /* **** */
 204         EnterCriticalSection(&(This->lock));
 205
 206         if (This->dsbd.dwFlags & DSBCAPS_CTRL3D) {
 207                 oldVol = This->ds3db_lVolume;
 208                 This->ds3db_lVolume = vol;
 209         } else {
 210                 oldVol = This->volpan.lVolume;
 211                 This->volpan.lVolume = vol;
 212                 if (vol != oldVol)
 213                         DSOUND_RecalcVolPan(&(This->volpan));
 214         }
 215
 216         if (vol != oldVol) {
 217                 if (This->hwbuf) {
 218                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
 219                         if (hres != DS_OK)
 220                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
 221                 } else
 222                         DSOUND_ForceRemix(This);
 223         }
 224
 225         LeaveCriticalSection(&(This->lock));
 226         /* **** */
 227
 228         return hres;
 229 }
 230
 231 static HRESULT WINAPI IDirectSoundBufferImpl_GetVolume(
 232         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol
 233 ) {
 234         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 235         TRACE("(%p,%p)\n",This,vol);
 236
 237         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 238                 WARN("control unavailable\n");
 239                 return DSERR_CONTROLUNAVAIL;
 240         }
 241
 242         if (vol == NULL) {
 243                 WARN("invalid parameter: vol == NULL\n");
 244                 return DSERR_INVALIDPARAM;
 245         }
 246
 247         *vol = This->volpan.lVolume;
 248
 249         return DS_OK;
 250 }
 251
 252 static HRESULT WINAPI IDirectSoundBufferImpl_SetFrequency(
 253         LPDIRECTSOUNDBUFFER8 iface,DWORD freq
 254 ) {
 255         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 256         DWORD oldFreq;
 257
 258         TRACE("(%p,%ld)\n",This,freq);
 259
 260         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
 261                 WARN("control unavailable\n");
 262                 return DSERR_CONTROLUNAVAIL;
 263         }
 264
 265         if (freq == DSBFREQUENCY_ORIGINAL)
 266                 freq = This->pwfx->nSamplesPerSec;
 267
 268         if ((freq < DSBFREQUENCY_MIN) || (freq > DSBFREQUENCY_MAX)) {
 269                 WARN("invalid parameter: freq = %ld\n", freq);
 270                 return DSERR_INVALIDPARAM;
 271         }
 272
 273         /* **** */
 274         EnterCriticalSection(&(This->lock));
 275
 276         oldFreq = This->freq;
 277         This->freq = freq;
 278         if (freq != oldFreq) {
 279                 This->freqAdjust = (freq << DSOUND_FREQSHIFT) / This->dsound->device->pwfx->nSamplesPerSec;
 280                 This->nAvgBytesPerSec = freq * This->pwfx->nBlockAlign;
 281                 DSOUND_RecalcFormat(This);
 282                 if (!This->hwbuf)
 283                         DSOUND_ForceRemix(This);
 284         }
 285
 286         LeaveCriticalSection(&(This->lock));
 287         /* **** */
 288
 289         return DS_OK;
 290 }
 291
 292 static HRESULT WINAPI IDirectSoundBufferImpl_Play(
 293         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags
 294 ) {
 295         HRESULT hres = DS_OK;
 296         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 297         TRACE("(%p,%08lx,%08lx,%08lx)\n",This,reserved1,reserved2,flags);
 298
 299         /* **** */
 300         EnterCriticalSection(&(This->lock));
 301
 302         This->playflags = flags;
 303         if (This->state == STATE_STOPPED) {
 304                 This->leadin = TRUE;
 305                 This->startpos = This->buf_mixpos;
 306                 This->state = STATE_STARTING;
 307         } else if (This->state == STATE_STOPPING)
 308                 This->state = STATE_PLAYING;
 309         if (This->hwbuf) {
 310                 hres = IDsDriverBuffer_Play(This->hwbuf, 0, 0, This->playflags);
 311                 if (hres != DS_OK)
 312                         WARN("IDsDriverBuffer_Play failed\n");
 313                 else
 314                         This->state = STATE_PLAYING;
 315         }
 316
 317         LeaveCriticalSection(&(This->lock));
 318         /* **** */
 319
 320         return hres;
 321 }
 322
 323 static HRESULT WINAPI IDirectSoundBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
 324 {
 325         HRESULT hres = DS_OK;
 326         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 327         TRACE("(%p)\n",This);
 328
 329         /* **** */
 330         EnterCriticalSection(&(This->lock));
 331
 332         if (This->state == STATE_PLAYING)
 333                 This->state = STATE_STOPPING;
 334         else if (This->state == STATE_STARTING)
 335                 This->state = STATE_STOPPED;
 336         if (This->hwbuf) {
 337                 hres = IDsDriverBuffer_Stop(This->hwbuf);
 338                 if (hres != DS_OK)
 339                         WARN("IDsDriverBuffer_Stop failed\n");
 340                 else
 341                         This->state = STATE_STOPPED;
 342         }
 343         DSOUND_CheckEvent(This, 0);
 344
 345         LeaveCriticalSection(&(This->lock));
 346         /* **** */
 347
 348         return hres;
 349 }
 350
 351 static ULONG WINAPI IDirectSoundBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
 352 {
 353     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 354     ULONG ref = InterlockedIncrement(&(This->ref));
 355     TRACE("(%p) ref was %ld\n", This, ref - 1);
 356     return ref;
 357 }
 358
 359 static ULONG WINAPI IDirectSoundBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
 360 {
 361     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 362     ULONG ref = InterlockedDecrement(&(This->ref));
 363     TRACE("(%p) ref was %ld\n", This, ref + 1);
 364
 365     if (!ref) {
 366         DSOUND_RemoveBuffer(This->dsound, This);
 367
 368         This->lock.DebugInfo->Spare[1] = 0;
 369         DeleteCriticalSection(&(This->lock));
 370
 371         if (This->hwbuf) {
 372                 IDsDriverBuffer_Release(This->hwbuf);
 373                 if (This->dsound->device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
 374                         This->buffer->ref--;
 375                         if (This->buffer->ref==0) {
 376                                 HeapFree(GetProcessHeap(),0,This->buffer->memory);
 377                                 HeapFree(GetProcessHeap(),0,This->buffer);
 378                         }
 379                 }
 380         } else {
 381                 This->buffer->ref--;
 382                 if (This->buffer->ref==0) {
 383                         HeapFree(GetProcessHeap(),0,This->buffer->memory);
 384                         HeapFree(GetProcessHeap(),0,This->buffer);
 385                 }
 386         }
 387
 388         HeapFree(GetProcessHeap(), 0, This->notifies);
 389         HeapFree(GetProcessHeap(), 0, This->pwfx);
 390         HeapFree(GetProcessHeap(), 0, This);
 391
 392         TRACE("(%p) released\n", This);
 393     }
 394     return ref;
 395 }
 396
 397 DWORD DSOUND_CalcPlayPosition(IDirectSoundBufferImpl *This, DWORD pplay, DWORD pwrite)
 398 {
 399         DWORD bplay = This->buf_mixpos;
 400         DWORD pmix = This->primary_mixpos;
 401         TRACE("(%p, pplay=%lu, pwrite=%lu)\n", This, pplay, pwrite);
 402
 403         /* the actual primary play position (pplay) is always behind last mixed (pmix),
 404          * unless the computer is too slow or something */
 405         /* we need to know how far away we are from there */
 406         if (pmix < pplay) pmix += This->dsound->device->buflen; /* wraparound */
 407         pmix -= pplay;
 408         /* detect buffer underrun */
 409         if (pwrite < pplay) pwrite += This->dsound->device->buflen; /* wraparound */
 410         pwrite -= pplay;
 411         if (pmix > (ds_snd_queue_max * This->dsound->device->fraglen + pwrite + This->dsound->device->writelead)) {
 412                 WARN("detected an underrun: primary queue was %ld\n",pmix);
 413                 pmix = 0;
 414         }
 415         /* divide the offset by its sample size */
 416         pmix /= This->dsound->device->pwfx->nBlockAlign;
 417         TRACE("primary back-samples=%ld\n",pmix);
 418         /* adjust for our frequency */
 419         pmix = (pmix * This->freqAdjust) >> DSOUND_FREQSHIFT;
 420         /* multiply by our own sample size */
 421         pmix *= This->pwfx->nBlockAlign;
 422         TRACE("this back-offset=%ld\n", pmix);
 423         /* subtract from our last mixed position */
 424         while (bplay < pmix) bplay += This->buflen; /* wraparound */
 425         bplay -= pmix;
 426         if (This->leadin && ((bplay < This->startpos) || (bplay > This->buf_mixpos))) {
 427                 /* seems we haven't started playing yet */
 428                 TRACE("this still in lead-in phase\n");
 429                 bplay = This->startpos;
 430         }
 431         /* return the result */
 432         return bplay;
 433 }
 434
 435 static HRESULT WINAPI IDirectSoundBufferImpl_GetCurrentPosition(
 436         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos
 437 ) {
 438         HRESULT hres;
 439         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 440         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
 441         if (This->hwbuf) {
 442                 hres=IDsDriverBuffer_GetPosition(This->hwbuf,playpos,writepos);
 443                 if (hres != DS_OK) {
 444                     WARN("IDsDriverBuffer_GetPosition failed\n");
 445                     return hres;
 446                 }
 447         } else {
 448                 if (playpos && (This->state != STATE_PLAYING)) {
 449                         /* we haven't been merged into the primary buffer (yet) */
 450                         *playpos = This->buf_mixpos;
 451                 } else if (playpos) {
 452                         DWORD pplay, pwrite;
 453                         /* let's get this exact; first, recursively call GetPosition on the primary */
 454                         EnterCriticalSection(&(This->dsound->device->mixlock));
 455                         if (DSOUND_PrimaryGetPosition(This->dsound->device, &pplay, &pwrite) != DS_OK)
 456                                 WARN("DSOUND_PrimaryGetPosition failed\n");
 457                         /* detect HEL mode underrun */
 458                         if (!(This->dsound->device->hwbuf || This->dsound->device->pwqueue))
 459                                 TRACE("detected an underrun\n");
 460                         if ((This->dsbd.dwFlags & DSBCAPS_GETCURRENTPOSITION2) || This->dsound->device->hwbuf) {
 461                                 /* calculate play position using this */
 462                                 *playpos = DSOUND_CalcPlayPosition(This, pplay, pwrite);
 463                         } else {
 464                                 /* (unless the app isn't using GETCURRENTPOSITION2) */
 465                                 /* don't know exactly how this should be handled...
 466                                  * the docs says that play cursor is reported as directly
 467                                  * behind write cursor, hmm... */
 468                                 /* let's just do what might work for Half-Life */
 469                                 DWORD wp;
 470                                 wp = (This->dsound->device->pwplay + ds_hel_margin) * This->dsound->device->fraglen;
 471                                 wp %= This->dsound->device->buflen;
 472                                 *playpos = DSOUND_CalcPlayPosition(This, wp, pwrite);
 473                         }
 474                         LeaveCriticalSection(&(This->dsound->device->mixlock));
 475                 }
 476                 if (writepos)
 477                     *writepos = This->buf_mixpos;
 478         }
 479         if (writepos) {
 480                 if (This->state != STATE_STOPPED) {
 481                         /* apply the documented 10ms lead to writepos */
 482                         *writepos += This->writelead;
 483                 }
 484                 *writepos %= This->buflen;
 485         }
 486         if (playpos)
 487             This->last_playpos = *playpos;
 488         TRACE("playpos = %ld, writepos = %ld (%p, time=%ld)\n", playpos?*playpos:0, writepos?*writepos:0, This, GetTickCount());
 489         return DS_OK;
 490 }
 491
 492 static HRESULT WINAPI IDirectSoundBufferImpl_GetStatus(
 493         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status
 494 ) {
 495         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 496         TRACE("(%p,%p), thread is %04lx\n",This,status,GetCurrentThreadId());
 497
 498         if (status == NULL) {
 499                 WARN("invalid parameter: status = NULL\n");
 500                 return DSERR_INVALIDPARAM;
 501         }
 502
 503         *status = 0;
 504         if ((This->state == STATE_STARTING) || (This->state == STATE_PLAYING)) {
 505                 *status |= DSBSTATUS_PLAYING;
 506                 if (This->playflags & DSBPLAY_LOOPING)
 507                         *status |= DSBSTATUS_LOOPING;
 508         }
 509
 510         TRACE("status=%lx\n", *status);
 511         return DS_OK;
 512 }
 513
 514
 515 static HRESULT WINAPI IDirectSoundBufferImpl_GetFormat(
 516     LPDIRECTSOUNDBUFFER8 iface,
 517     LPWAVEFORMATEX lpwf,
 518     DWORD wfsize,
 519     LPDWORD wfwritten)
 520 {
 521     DWORD size;
 522     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 523     TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
 524
 525     size = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
 526
 527     if (lpwf) { /* NULL is valid */
 528         if (wfsize >= size) {
 529             CopyMemory(lpwf,This->pwfx,size);
 530             if (wfwritten)
 531                 *wfwritten = size;
 532         } else {
 533             WARN("invalid parameter: wfsize too small\n");
 534             if (wfwritten)
 535                 *wfwritten = 0;
 536             return DSERR_INVALIDPARAM;
 537         }
 538     } else {
 539         if (wfwritten)
 540             *wfwritten = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
 541         else {
 542             WARN("invalid parameter: wfwritten == NULL\n");
 543             return DSERR_INVALIDPARAM;
 544         }
 545     }
 546
 547     return DS_OK;
 548 }
 549
 550 static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
 551         LPDIRECTSOUNDBUFFER8 iface,DWORD writecursor,DWORD writebytes,LPVOID lplpaudioptr1,LPDWORD audiobytes1,LPVOID lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 552 ) {
 553         HRESULT hres = DS_OK;
 554         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 555
 556         TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx) at %ld\n",
 557                 This,
 558                 writecursor,
 559                 writebytes,
 560                 lplpaudioptr1,
 561                 audiobytes1,
 562                 lplpaudioptr2,
 563                 audiobytes2,
 564                 flags,
 565                 GetTickCount()
 566         );
 567
 568         if (flags & DSBLOCK_FROMWRITECURSOR) {
 569                 DWORD writepos;
 570                 /* GetCurrentPosition does too much magic to duplicate here */
 571                 hres = IDirectSoundBufferImpl_GetCurrentPosition(iface, NULL, &writepos);
 572                 if (hres != DS_OK) {
 573                         WARN("IDirectSoundBufferImpl_GetCurrentPosition failed\n");
 574                         return hres;
 575                 }
 576                 writecursor += writepos;
 577         }
 578         writecursor %= This->buflen;
 579         if (flags & DSBLOCK_ENTIREBUFFER)
 580                 writebytes = This->buflen;
 581         if (writebytes > This->buflen)
 582                 writebytes = This->buflen;
 583
 584         EnterCriticalSection(&(This->lock));
 585
 586         if ((writebytes == This->buflen) &&
 587             ((This->state == STATE_STARTING) ||
 588              (This->state == STATE_PLAYING)))
 589                 /* some games, like Half-Life, try to be clever (not) and
 590                  * keep one secondary buffer, and mix sounds into it itself,
 591                  * locking the entire buffer every time... so we can just forget
 592                  * about tracking the last-written-to-position... */
 593                 This->probably_valid_to = (DWORD)-1;
 594         else
 595                 This->probably_valid_to = writecursor;
 596
 597         if (!(This->dsound->device->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 598                 hres = IDsDriverBuffer_Lock(This->hwbuf,
 599                                      lplpaudioptr1, audiobytes1,
 600                                      lplpaudioptr2, audiobytes2,
 601                                      writecursor, writebytes,
 602                                      0);
 603                 if (hres != DS_OK) {
 604                         WARN("IDsDriverBuffer_Lock failed\n");
 605                         LeaveCriticalSection(&(This->lock));
 606                         return hres;
 607                 }
 608         } else {
 609                 BOOL remix = FALSE;
 610                 if (writecursor+writebytes <= This->buflen) {
 611                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 612                         *audiobytes1 = writebytes;
 613                         if (lplpaudioptr2)
 614                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 615                         if (audiobytes2)
 616                                 *audiobytes2 = 0;
 617                         TRACE("->%ld.0\n",writebytes);
 618                 } else {
 619                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 620                         *audiobytes1 = This->buflen-writecursor;
 621                         if (lplpaudioptr2)
 622                                 *(LPBYTE*)lplpaudioptr2 = This->buffer->memory;
 623                         if (audiobytes2)
 624                                 *audiobytes2 = writebytes-(This->buflen-writecursor);
 625                         TRACE("->%ld.%ld\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 626                 }
 627                 if (This->state == STATE_PLAYING) {
 628                         /* if the segment between playpos and buf_mixpos is touched,
 629                          * we need to cancel some mixing */
 630                         /* we'll assume that the app always calls GetCurrentPosition before
 631                          * locking a playing buffer, so that last_playpos is up-to-date */
 632                         if (This->buf_mixpos >= This->last_playpos) {
 633                                 if (This->buf_mixpos > writecursor &&
 634                                     This->last_playpos < writecursor+writebytes)
 635                                         remix = TRUE;
 636                         } else {
 637                                 if (This->buf_mixpos > writecursor ||
 638                                     This->last_playpos < writecursor+writebytes)
 639                                         remix = TRUE;
 640                         }
 641                         if (remix) {
 642                                 TRACE("locking prebuffered region, ouch\n");
 643                                 DSOUND_MixCancelAt(This, writecursor);
 644                         }
 645                 }
 646         }
 647
 648         LeaveCriticalSection(&(This->lock));
 649         return DS_OK;
 650 }
 651
 652 static HRESULT WINAPI IDirectSoundBufferImpl_SetCurrentPosition(
 653         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos
 654 ) {
 655         HRESULT hres = DS_OK;
 656         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 657         TRACE("(%p,%ld)\n",This,newpos);
 658
 659         /* **** */
 660         EnterCriticalSection(&(This->lock));
 661
 662         newpos %= This->buflen;
 663         This->buf_mixpos = newpos;
 664         if (This->hwbuf) {
 665                 hres = IDsDriverBuffer_SetPosition(This->hwbuf, This->buf_mixpos);
 666                 if (hres != DS_OK)
 667                         WARN("IDsDriverBuffer_SetPosition failed\n");
 668         }
 669
 670         LeaveCriticalSection(&(This->lock));
 671         /* **** */
 672
 673         return hres;
 674 }
 675
 676 static HRESULT WINAPI IDirectSoundBufferImpl_SetPan(
 677         LPDIRECTSOUNDBUFFER8 iface,LONG pan
 678 ) {
 679         HRESULT hres = DS_OK;
 680         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 681
 682         TRACE("(%p,%ld)\n",This,pan);
 683
 684         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 685                 WARN("invalid parameter: pan = %ld\n", pan);
 686                 return DSERR_INVALIDPARAM;
 687         }
 688
 689         /* You cannot use both pan and 3D controls */
 690         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN) ||
 691             (This->dsbd.dwFlags & DSBCAPS_CTRL3D)) {
 692                 WARN("control unavailable\n");
 693                 return DSERR_CONTROLUNAVAIL;
 694         }
 695
 696         /* **** */
 697         EnterCriticalSection(&(This->lock));
 698
 699         if (This->volpan.lPan != pan) {
 700                 This->volpan.lPan = pan;
 701                 DSOUND_RecalcVolPan(&(This->volpan));
 702
 703                 if (This->hwbuf) {
 704                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
 705                         if (hres != DS_OK)
 706                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
 707                 } else
 708                         DSOUND_ForceRemix(This);
 709         }
 710
 711         LeaveCriticalSection(&(This->lock));
 712         /* **** */
 713
 714         return hres;
 715 }
 716
 717 static HRESULT WINAPI IDirectSoundBufferImpl_GetPan(
 718         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan
 719 ) {
 720         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 721         TRACE("(%p,%p)\n",This,pan);
 722
 723         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 724                 WARN("control unavailable\n");
 725                 return DSERR_CONTROLUNAVAIL;
 726         }
 727
 728         if (pan == NULL) {
 729                 WARN("invalid parameter: pan = NULL\n");
 730                 return DSERR_INVALIDPARAM;
 731         }
 732
 733         *pan = This->volpan.lPan;
 734
 735         return DS_OK;
 736 }
 737
 738 static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
 739         LPDIRECTSOUNDBUFFER8 iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 740 ) {
 741         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 742         DWORD probably_valid_to;
 743         HRESULT hres = DS_OK;
 744
 745         TRACE("(%p,%p,%ld,%p,%ld)\n", This,p1,x1,p2,x2);
 746
 747         /* **** */
 748         EnterCriticalSection(&(This->lock));
 749
 750         if (!(This->dsound->device->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 751                 hres = IDsDriverBuffer_Unlock(This->hwbuf, p1, x1, p2, x2);
 752                 if (hres != DS_OK)
 753                         WARN("IDsDriverBuffer_Unlock failed\n");
 754         }
 755
 756         if (hres == DS_OK) {
 757                 if (p2) probably_valid_to = (((LPBYTE)p2)-This->buffer->memory) + x2;
 758                 else probably_valid_to = (((LPBYTE)p1)-This->buffer->memory) + x1;
 759                 probably_valid_to %= This->buflen;
 760                 if ((probably_valid_to == 0) && ((x1+x2) == This->buflen) &&
 761                     ((This->state == STATE_STARTING) ||
 762                      (This->state == STATE_PLAYING)))
 763                         /* see IDirectSoundBufferImpl_Lock */
 764                         probably_valid_to = (DWORD)-1;
 765                 This->probably_valid_to = probably_valid_to;
 766         }
 767
 768         LeaveCriticalSection(&(This->lock));
 769         /* **** */
 770
 771         TRACE("probably_valid_to=%ld\n", This->probably_valid_to);
 772         return hres;
 773 }
 774
 775 static HRESULT WINAPI IDirectSoundBufferImpl_Restore(
 776         LPDIRECTSOUNDBUFFER8 iface
 777 ) {
 778         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 779         FIXME("(%p):stub\n",This);
 780         return DS_OK;
 781 }
 782
 783 static HRESULT WINAPI IDirectSoundBufferImpl_GetFrequency(
 784         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq
 785 ) {
 786         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 787         TRACE("(%p,%p)\n",This,freq);
 788
 789         if (freq == NULL) {
 790                 WARN("invalid parameter: freq = NULL\n");
 791                 return DSERR_INVALIDPARAM;
 792         }
 793
 794         *freq = This->freq;
 795         TRACE("-> %ld\n", *freq);
 796
 797         return DS_OK;
 798 }
 799
 800 static HRESULT WINAPI IDirectSoundBufferImpl_SetFX(
 801         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes
 802 ) {
 803         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 804         DWORD u;
 805
 806         FIXME("(%p,%lu,%p,%p): stub\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
 807
 808         if (pdwResultCodes)
 809                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 810
 811         WARN("control unavailable\n");
 812         return DSERR_CONTROLUNAVAIL;
 813 }
 814
 815 static HRESULT WINAPI IDirectSoundBufferImpl_AcquireResources(
 816         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes
 817 ) {
 818         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 819         DWORD u;
 820
 821         FIXME("(%p,%08lu,%lu,%p): stub\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
 822
 823         if (pdwResultCodes)
 824                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 825
 826         WARN("control unavailable\n");
 827         return DSERR_CONTROLUNAVAIL;
 828 }
 829
 830 static HRESULT WINAPI IDirectSoundBufferImpl_GetObjectInPath(
 831         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject
 832 ) {
 833         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 834
 835         FIXME("(%p,%s,%lu,%s,%p): stub\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
 836
 837         WARN("control unavailable\n");
 838         return DSERR_CONTROLUNAVAIL;
 839 }
 840
 841 static HRESULT WINAPI IDirectSoundBufferImpl_Initialize(
 842         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
 843 ) {
 844         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 845         FIXME("(%p,%p,%p):stub\n",This,dsound,dbsd);
 846         DPRINTF("Re-Init!!!\n");
 847         WARN("already initialized\n");
 848         return DSERR_ALREADYINITIALIZED;
 849 }
 850
 851 static HRESULT WINAPI IDirectSoundBufferImpl_GetCaps(
 852         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps
 853 ) {
 854         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 855         TRACE("(%p)->(%p)\n",This,caps);
 856
 857         if (caps == NULL) {
 858                 WARN("invalid parameter: caps == NULL\n");
 859                 return DSERR_INVALIDPARAM;
 860         }
 861
 862         if (caps->dwSize < sizeof(*caps)) {
 863                 WARN("invalid parameter: caps->dwSize = %ld < %d\n",caps->dwSize, sizeof(*caps));
 864                 return DSERR_INVALIDPARAM;
 865         }
 866
 867         caps->dwFlags = This->dsbd.dwFlags;
 868         if (This->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
 869         else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
 870
 871         caps->dwBufferBytes = This->buflen;
 872
 873         /* This value represents the speed of the "unlock" command.
 874            As unlock is quite fast (it does not do anything), I put
 875            4096 ko/s = 4 Mo / s */
 876         /* FIXME: hwbuf speed */
 877         caps->dwUnlockTransferRate = 4096;
 878         caps->dwPlayCpuOverhead = 0;
 879
 880         return DS_OK;
 881 }
 882
 883 static HRESULT WINAPI IDirectSoundBufferImpl_QueryInterface(
 884         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj
 885 ) {
 886         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 887
 888         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 889
 890         if (ppobj == NULL) {
 891                 WARN("invalid parameter\n");
 892                 return E_INVALIDARG;
 893         }
 894
 895         *ppobj = NULL;  /* assume failure */
 896
 897         if ( IsEqualGUID(riid, &IID_IUnknown) ||
 898              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ||
 899              IsEqualGUID(riid, &IID_IDirectSoundBuffer8) ) {
 900                 if (!This->dsb)
 901                         SecondaryBufferImpl_Create(This, &(This->dsb));
 902                 if (This->dsb) {
 903                         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)This->dsb);
 904                         *ppobj = This->dsb;
 905                         return S_OK;
 906                 }
 907                 WARN("IID_IDirectSoundBuffer\n");
 908                 return E_NOINTERFACE;
 909         }
 910
 911         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
 912                 if (!This->notify)
 913                         IDirectSoundNotifyImpl_Create(This, &(This->notify));
 914                 if (This->notify) {
 915                         IDirectSoundNotify_AddRef((LPDIRECTSOUNDNOTIFY)This->notify);
 916                         *ppobj = This->notify;
 917                         return S_OK;
 918                 }
 919                 WARN("IID_IDirectSoundNotify\n");
 920                 return E_NOINTERFACE;
 921         }
 922
 923         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
 924                 if (!This->ds3db)
 925                         IDirectSound3DBufferImpl_Create(This, &(This->ds3db));
 926                 if (This->ds3db) {
 927                         IDirectSound3DBuffer_AddRef((LPDIRECTSOUND3DBUFFER)This->ds3db);
 928                         *ppobj = This->ds3db;
 929                         return S_OK;
 930                 }
 931                 WARN("IID_IDirectSound3DBuffer\n");
 932                 return E_NOINTERFACE;
 933         }
 934
 935         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
 936                 ERR("app requested IDirectSound3DListener on secondary buffer\n");
 937                 return E_NOINTERFACE;
 938         }
 939
 940         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
 941                 if (!This->iks)
 942                         IKsBufferPropertySetImpl_Create(This, &(This->iks));
 943                 if (This->iks) {
 944                         IKsPropertySet_AddRef((LPKSPROPERTYSET)This->iks);
 945                         *ppobj = This->iks;
 946                         return S_OK;
 947                 }
 948                 WARN("IID_IKsPropertySet\n");
 949                 return E_NOINTERFACE;
 950         }
 951
 952         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 953
 954         return E_NOINTERFACE;
 955 }
 956
 957 static const IDirectSoundBuffer8Vtbl dsbvt =
 958 {
 959         IDirectSoundBufferImpl_QueryInterface,
 960         IDirectSoundBufferImpl_AddRef,
 961         IDirectSoundBufferImpl_Release,
 962         IDirectSoundBufferImpl_GetCaps,
 963         IDirectSoundBufferImpl_GetCurrentPosition,
 964         IDirectSoundBufferImpl_GetFormat,
 965         IDirectSoundBufferImpl_GetVolume,
 966         IDirectSoundBufferImpl_GetPan,
 967         IDirectSoundBufferImpl_GetFrequency,
 968         IDirectSoundBufferImpl_GetStatus,
 969         IDirectSoundBufferImpl_Initialize,
 970         IDirectSoundBufferImpl_Lock,
 971         IDirectSoundBufferImpl_Play,
 972         IDirectSoundBufferImpl_SetCurrentPosition,
 973         IDirectSoundBufferImpl_SetFormat,
 974         IDirectSoundBufferImpl_SetVolume,
 975         IDirectSoundBufferImpl_SetPan,
 976         IDirectSoundBufferImpl_SetFrequency,
 977         IDirectSoundBufferImpl_Stop,
 978         IDirectSoundBufferImpl_Unlock,
 979         IDirectSoundBufferImpl_Restore,
 980         IDirectSoundBufferImpl_SetFX,
 981         IDirectSoundBufferImpl_AcquireResources,
 982         IDirectSoundBufferImpl_GetObjectInPath
 983 };
 984
 985 HRESULT WINAPI IDirectSoundBufferImpl_Create(
 986         IDirectSoundImpl *ds,
 987         IDirectSoundBufferImpl **pdsb,
 988         LPCDSBUFFERDESC dsbd)
 989 {
 990         IDirectSoundBufferImpl *dsb;
 991         LPWAVEFORMATEX wfex = dsbd->lpwfxFormat;
 992         HRESULT err = DS_OK;
 993         DWORD capf = 0;
 994         int use_hw, alloc_size, cp_size;
 995         TRACE("(%p,%p,%p)\n",ds,pdsb,dsbd);
 996
 997         if (dsbd->dwBufferBytes < DSBSIZE_MIN || dsbd->dwBufferBytes > DSBSIZE_MAX) {
 998                 WARN("invalid parameter: dsbd->dwBufferBytes = %ld\n", dsbd->dwBufferBytes);
 999                 *pdsb = NULL;
1000                 return DSERR_INVALIDPARAM; /* FIXME: which error? */
1001         }
1002
1003         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1004
1005         if (dsb == 0) {
1006                 WARN("out of memory\n");
1007                 *pdsb = NULL;
1008                 return DSERR_OUTOFMEMORY;
1009         }
1010
1011         TRACE("Created buffer at %p\n", dsb);
1012
1013         dsb->ref = 0;
1014         dsb->dsb = 0;
1015         dsb->dsound = ds;
1016         dsb->lpVtbl = &dsbvt;
1017         dsb->iks = NULL;
1018
1019         /* size depends on version */
1020         CopyMemory(&dsb->dsbd, dsbd, dsbd->dwSize);
1021
1022         /* variable sized struct so calculate size based on format */
1023         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
1024                 alloc_size = sizeof(WAVEFORMATEX);
1025                 cp_size = sizeof(PCMWAVEFORMAT);
1026         } else
1027                 alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
1028
1029         dsb->pwfx = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,alloc_size);
1030         if (dsb->pwfx == NULL) {
1031                 WARN("out of memory\n");
1032                 HeapFree(GetProcessHeap(),0,dsb);
1033                 *pdsb = NULL;
1034                 return DSERR_OUTOFMEMORY;
1035         }
1036
1037         CopyMemory(dsb->pwfx, wfex, cp_size);
1038
1039         if (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign)
1040                 dsb->buflen = dsbd->dwBufferBytes +
1041                         (dsbd->lpwfxFormat->nBlockAlign -
1042                         (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign));
1043         else
1044                 dsb->buflen = dsbd->dwBufferBytes;
1045
1046         dsb->freq = dsbd->lpwfxFormat->nSamplesPerSec;
1047         dsb->notify = NULL;
1048         dsb->notifies = NULL;
1049         dsb->nrofnotifies = 0;
1050         dsb->hwnotify = 0;
1051
1052         /* Check necessary hardware mixing capabilities */
1053         if (wfex->nChannels==2) capf |= DSCAPS_SECONDARYSTEREO;
1054         else capf |= DSCAPS_SECONDARYMONO;
1055         if (wfex->wBitsPerSample==16) capf |= DSCAPS_SECONDARY16BIT;
1056         else capf |= DSCAPS_SECONDARY8BIT;
1057
1058         use_hw = (ds->device->drvcaps.dwFlags & capf) == capf;
1059         TRACE("use_hw = 0x%08x, capf = 0x%08lx, ds->drvcaps.dwFlags = 0x%08lx\n", use_hw, capf, ds->device->drvcaps.dwFlags);
1060
1061         /* FIXME: check hardware sample rate mixing capabilities */
1062         /* FIXME: check app hints for software/hardware buffer (STATIC, LOCHARDWARE, etc) */
1063         /* FIXME: check whether any hardware buffers are left */
1064         /* FIXME: handle DSDHEAP_CREATEHEAP for hardware buffers */
1065
1066         /* Allocate an empty buffer */
1067         dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
1068         if (dsb->buffer == NULL) {
1069                 WARN("out of memory\n");
1070                 HeapFree(GetProcessHeap(),0,dsb->pwfx);
1071                 HeapFree(GetProcessHeap(),0,dsb);
1072                 *pdsb = NULL;
1073                 return DSERR_OUTOFMEMORY;
1074         }
1075
1076         /* Allocate system memory for buffer if applicable */
1077         if ((ds->device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) || !use_hw) {
1078                 dsb->buffer->memory = HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1079                 if (dsb->buffer->memory == NULL) {
1080                         WARN("out of memory\n");
1081                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1082                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1083                         HeapFree(GetProcessHeap(),0,dsb);
1084                         *pdsb = NULL;
1085                         return DSERR_OUTOFMEMORY;
1086                 }
1087                 dsb->buffer->ref = 1;
1088                 FillMemory(dsb->buffer->memory, dsb->buflen, dsbd->lpwfxFormat->wBitsPerSample == 8 ? 128 : 0);
1089         }
1090
1091         /* Allocate the hardware buffer */
1092         if (use_hw) {
1093                 err = IDsDriver_CreateSoundBuffer(ds->device->driver,wfex,dsbd->dwFlags,0,
1094                                                   &(dsb->buflen),&(dsb->buffer->memory),
1095                                                   (LPVOID*)&(dsb->hwbuf));
1096                 /* fall back to software buffer on failure */
1097                 if (err != DS_OK) {
1098                         TRACE("IDsDriver_CreateSoundBuffer failed, falling back to software buffer\n");
1099                         use_hw = 0;
1100                         if (ds->device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
1101                                 dsb->buffer->memory = HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1102                                 if (dsb->buffer->memory == NULL) {
1103                                         WARN("out of memory\n");
1104                                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1105                                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1106                                         HeapFree(GetProcessHeap(),0,dsb);
1107                                         *pdsb = NULL;
1108                                         return DSERR_OUTOFMEMORY;
1109                                 }
1110                                 dsb->buffer->ref = 1;
1111                                 FillMemory(dsb->buffer->memory, dsb->buflen, dsbd->lpwfxFormat->wBitsPerSample == 8 ? 128 : 0);
1112                         }
1113                         err = DS_OK;
1114                 }
1115         }
1116
1117         /* calculate fragment size and write lead */
1118         DSOUND_RecalcFormat(dsb);
1119
1120         /* It's not necessary to initialize values to zero since */
1121         /* we allocated this structure with HEAP_ZERO_MEMORY... */
1122         dsb->playpos = 0;
1123         dsb->buf_mixpos = 0;
1124         dsb->state = STATE_STOPPED;
1125
1126         dsb->freqAdjust = (dsb->freq << DSOUND_FREQSHIFT) /
1127                 ds->device->pwfx->nSamplesPerSec;
1128         dsb->nAvgBytesPerSec = dsb->freq *
1129                 dsbd->lpwfxFormat->nBlockAlign;
1130
1131         if (dsb->dsbd.dwFlags & DSBCAPS_CTRL3D) {
1132                 dsb->ds3db_ds3db.dwSize = sizeof(DS3DBUFFER);
1133                 dsb->ds3db_ds3db.vPosition.x = 0.0;
1134                 dsb->ds3db_ds3db.vPosition.y = 0.0;
1135                 dsb->ds3db_ds3db.vPosition.z = 0.0;
1136                 dsb->ds3db_ds3db.vVelocity.x = 0.0;
1137                 dsb->ds3db_ds3db.vVelocity.y = 0.0;
1138                 dsb->ds3db_ds3db.vVelocity.z = 0.0;
1139                 dsb->ds3db_ds3db.dwInsideConeAngle = DS3D_DEFAULTCONEANGLE;
1140                 dsb->ds3db_ds3db.dwOutsideConeAngle = DS3D_DEFAULTCONEANGLE;
1141                 dsb->ds3db_ds3db.vConeOrientation.x = 0.0;
1142                 dsb->ds3db_ds3db.vConeOrientation.y = 0.0;
1143                 dsb->ds3db_ds3db.vConeOrientation.z = 0.0;
1144                 dsb->ds3db_ds3db.lConeOutsideVolume = DS3D_DEFAULTCONEOUTSIDEVOLUME;
1145                 dsb->ds3db_ds3db.flMinDistance = DS3D_DEFAULTMINDISTANCE;
1146                 dsb->ds3db_ds3db.flMaxDistance = DS3D_DEFAULTMAXDISTANCE;
1147                 dsb->ds3db_ds3db.dwMode = DS3DMODE_NORMAL;
1148
1149                 dsb->ds3db_need_recalc = FALSE;
1150                 DSOUND_Calc3DBuffer(dsb);
1151         } else
1152                 DSOUND_RecalcVolPan(&(dsb->volpan));
1153
1154         InitializeCriticalSection(&(dsb->lock));
1155         dsb->lock.DebugInfo->Spare[1] = (DWORD)"DSOUNDBUFFER_lock";
1156
1157         /* register buffer if not primary */
1158         if (!(dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER)) {
1159                 err = DSOUND_AddBuffer(ds, dsb);
1160                 if (err != DS_OK) {
1161                         HeapFree(GetProcessHeap(),0,dsb->buffer->memory);
1162                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1163                         dsb->lock.DebugInfo->Spare[1] = 0;
1164                         DeleteCriticalSection(&(dsb->lock));
1165                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1166                         HeapFree(GetProcessHeap(),0,dsb);
1167                         dsb = NULL;
1168                 }
1169         }
1170
1171         *pdsb = dsb;
1172         return err;
1173 }
1174
1175 HRESULT WINAPI IDirectSoundBufferImpl_Destroy(
1176     IDirectSoundBufferImpl *pdsb)
1177 {
1178     TRACE("(%p)\n",pdsb);
1179
1180     /* This keeps the *_Destroy functions from possibly deleting
1181      * this object until it is ready to be deleted */
1182     IDirectSoundBufferImpl_AddRef((LPDIRECTSOUNDBUFFER8)pdsb);
1183
1184     if (pdsb->iks) {
1185         WARN("iks not NULL\n");
1186         IKsBufferPropertySetImpl_Destroy(pdsb->iks);
1187         pdsb->iks = NULL;
1188     }
1189
1190     if (pdsb->ds3db) {
1191         WARN("ds3db not NULL\n");
1192         IDirectSound3DBufferImpl_Destroy(pdsb->ds3db);
1193         pdsb->ds3db = NULL;
1194     }
1195
1196     if (pdsb->notify) {
1197         WARN("notify not NULL\n");
1198         IDirectSoundNotifyImpl_Destroy(pdsb->notify);
1199         pdsb->notify = NULL;
1200     }
1201
1202     if (pdsb->dsb) {
1203         WARN("dsb not NULL\n");
1204         SecondaryBufferImpl_Destroy(pdsb->dsb);
1205         pdsb->dsb = NULL;
1206     }
1207
1208     while (IDirectSoundBuffer8_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1209
1210     return S_OK;
1211 }
1212
1213 /*******************************************************************************
1214  *              SecondaryBuffer
1215  */
1216
1217 static HRESULT WINAPI SecondaryBufferImpl_QueryInterface(
1218         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj)
1219 {
1220         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1221         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
1222
1223         return IDirectSoundBufferImpl_QueryInterface((LPDIRECTSOUNDBUFFER8)This->dsb,riid,ppobj);
1224 }
1225
1226 static ULONG WINAPI SecondaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
1227 {
1228     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
1229     ULONG ref = InterlockedIncrement(&(This->ref));
1230     TRACE("(%p) ref was %ld\n", This, ref - 1);
1231     return ref;
1232 }
1233
1234 static ULONG WINAPI SecondaryBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
1235 {
1236     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
1237     ULONG ref = InterlockedDecrement(&(This->ref));
1238     TRACE("(%p) ref was %ld\n", This, ref + 1);
1239
1240     if (!ref) {
1241         This->dsb->dsb = NULL;
1242         IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER8)This->dsb);
1243         HeapFree(GetProcessHeap(), 0, This);
1244         TRACE("(%p) released\n", This);
1245     }
1246     return ref;
1247 }
1248
1249 static HRESULT WINAPI SecondaryBufferImpl_GetCaps(
1250         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps)
1251 {
1252         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1253         TRACE("(%p)->(%p)\n",This,caps);
1254
1255         return IDirectSoundBufferImpl_GetCaps((LPDIRECTSOUNDBUFFER8)This->dsb,caps);
1256 }
1257
1258 static HRESULT WINAPI SecondaryBufferImpl_GetCurrentPosition(
1259         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos)
1260 {
1261         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1262         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
1263
1264         return IDirectSoundBufferImpl_GetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,playpos,writepos);
1265 }
1266
1267 static HRESULT WINAPI SecondaryBufferImpl_GetFormat(
1268         LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX lpwf,DWORD wfsize,LPDWORD wfwritten)
1269 {
1270         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1271         TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
1272
1273         return IDirectSoundBufferImpl_GetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,lpwf,wfsize,wfwritten);
1274 }
1275
1276 static HRESULT WINAPI SecondaryBufferImpl_GetVolume(
1277         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol)
1278 {
1279         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1280         TRACE("(%p,%p)\n",This,vol);
1281
1282         return IDirectSoundBufferImpl_GetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1283 }
1284
1285 static HRESULT WINAPI SecondaryBufferImpl_GetPan(
1286         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan)
1287 {
1288         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1289         TRACE("(%p,%p)\n",This,pan);
1290
1291         return IDirectSoundBufferImpl_GetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1292 }
1293
1294 static HRESULT WINAPI SecondaryBufferImpl_GetFrequency(
1295         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq)
1296 {
1297         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1298         TRACE("(%p,%p)\n",This,freq);
1299
1300         return IDirectSoundBufferImpl_GetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1301 }
1302
1303 static HRESULT WINAPI SecondaryBufferImpl_GetStatus(
1304         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status)
1305 {
1306         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1307         TRACE("(%p,%p)\n",This,status);
1308
1309         return IDirectSoundBufferImpl_GetStatus((LPDIRECTSOUNDBUFFER8)This->dsb,status);
1310 }
1311
1312 static HRESULT WINAPI SecondaryBufferImpl_Initialize(
1313         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd)
1314 {
1315         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1316         TRACE("(%p,%p,%p)\n",This,dsound,dbsd);
1317
1318         return IDirectSoundBufferImpl_Initialize((LPDIRECTSOUNDBUFFER8)This->dsb,dsound,dbsd);
1319 }
1320
1321 static HRESULT WINAPI SecondaryBufferImpl_Lock(
1322     LPDIRECTSOUNDBUFFER8 iface,
1323     DWORD writecursor,
1324     DWORD writebytes,
1325     LPVOID lplpaudioptr1,
1326     LPDWORD audiobytes1,
1327     LPVOID lplpaudioptr2,
1328     LPDWORD audiobytes2,
1329     DWORD dwFlags)
1330 {
1331     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1332     TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx)\n",
1333         This,writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1334
1335     return IDirectSoundBufferImpl_Lock((LPDIRECTSOUNDBUFFER8)This->dsb,
1336         writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1337 }
1338
1339 static HRESULT WINAPI SecondaryBufferImpl_Play(
1340         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags)
1341 {
1342         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1343         TRACE("(%p,%08lx,%08lx,%08lx)\n",This,reserved1,reserved2,flags);
1344
1345         return IDirectSoundBufferImpl_Play((LPDIRECTSOUNDBUFFER8)This->dsb,reserved1,reserved2,flags);
1346 }
1347
1348 static HRESULT WINAPI SecondaryBufferImpl_SetCurrentPosition(
1349         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos)
1350 {
1351         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1352         TRACE("(%p,%ld)\n",This,newpos);
1353
1354         return IDirectSoundBufferImpl_SetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,newpos);
1355 }
1356
1357 static HRESULT WINAPI SecondaryBufferImpl_SetFormat(
1358         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex)
1359 {
1360         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1361         TRACE("(%p,%p)\n",This,wfex);
1362
1363         return IDirectSoundBufferImpl_SetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,wfex);
1364 }
1365
1366 static HRESULT WINAPI SecondaryBufferImpl_SetVolume(
1367         LPDIRECTSOUNDBUFFER8 iface,LONG vol)
1368 {
1369         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1370         TRACE("(%p,%ld)\n",This,vol);
1371
1372         return IDirectSoundBufferImpl_SetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1373 }
1374
1375 static HRESULT WINAPI SecondaryBufferImpl_SetPan(
1376         LPDIRECTSOUNDBUFFER8 iface,LONG pan)
1377 {
1378         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1379         TRACE("(%p,%ld)\n",This,pan);
1380
1381         return IDirectSoundBufferImpl_SetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1382 }
1383
1384 static HRESULT WINAPI SecondaryBufferImpl_SetFrequency(
1385         LPDIRECTSOUNDBUFFER8 iface,DWORD freq)
1386 {
1387         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1388         TRACE("(%p,%ld)\n",This,freq);
1389
1390         return IDirectSoundBufferImpl_SetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1391 }
1392
1393 static HRESULT WINAPI SecondaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
1394 {
1395         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1396         TRACE("(%p)\n",This);
1397
1398         return IDirectSoundBufferImpl_Stop((LPDIRECTSOUNDBUFFER8)This->dsb);
1399 }
1400
1401 static HRESULT WINAPI SecondaryBufferImpl_Unlock(
1402     LPDIRECTSOUNDBUFFER8 iface,
1403     LPVOID lpvAudioPtr1,
1404     DWORD dwAudioBytes1,
1405     LPVOID lpvAudioPtr2,
1406     DWORD dwAudioBytes2)
1407 {
1408     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1409     TRACE("(%p,%p,%ld,%p,%ld)\n",
1410         This, lpvAudioPtr1, dwAudioBytes1, lpvAudioPtr2, dwAudioBytes2);
1411
1412     return IDirectSoundBufferImpl_Unlock((LPDIRECTSOUNDBUFFER8)This->dsb,
1413         lpvAudioPtr1,dwAudioBytes1,lpvAudioPtr2,dwAudioBytes2);
1414 }
1415
1416 static HRESULT WINAPI SecondaryBufferImpl_Restore(
1417         LPDIRECTSOUNDBUFFER8 iface)
1418 {
1419         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1420         TRACE("(%p)\n",This);
1421
1422         return IDirectSoundBufferImpl_Restore((LPDIRECTSOUNDBUFFER8)This->dsb);
1423 }
1424
1425 static HRESULT WINAPI SecondaryBufferImpl_SetFX(
1426         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes)
1427 {
1428         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1429         TRACE("(%p,%lu,%p,%p)\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1430
1431         return IDirectSoundBufferImpl_SetFX((LPDIRECTSOUNDBUFFER8)This->dsb,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1432 }
1433
1434 static HRESULT WINAPI SecondaryBufferImpl_AcquireResources(
1435         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes)
1436 {
1437         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1438         TRACE("(%p,%08lu,%lu,%p)\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
1439
1440         return IDirectSoundBufferImpl_AcquireResources((LPDIRECTSOUNDBUFFER8)This->dsb,dwFlags,dwEffectsCount,pdwResultCodes);
1441 }
1442
1443 static HRESULT WINAPI SecondaryBufferImpl_GetObjectInPath(
1444         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject)
1445 {
1446         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1447         TRACE("(%p,%s,%lu,%s,%p)\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
1448
1449         return IDirectSoundBufferImpl_GetObjectInPath((LPDIRECTSOUNDBUFFER8)This->dsb,rguidObject,dwIndex,rguidInterface,ppObject);
1450 }
1451
1452 static const IDirectSoundBuffer8Vtbl sbvt =
1453 {
1454         SecondaryBufferImpl_QueryInterface,
1455         SecondaryBufferImpl_AddRef,
1456         SecondaryBufferImpl_Release,
1457         SecondaryBufferImpl_GetCaps,
1458         SecondaryBufferImpl_GetCurrentPosition,
1459         SecondaryBufferImpl_GetFormat,
1460         SecondaryBufferImpl_GetVolume,
1461         SecondaryBufferImpl_GetPan,
1462         SecondaryBufferImpl_GetFrequency,
1463         SecondaryBufferImpl_GetStatus,
1464         SecondaryBufferImpl_Initialize,
1465         SecondaryBufferImpl_Lock,
1466         SecondaryBufferImpl_Play,
1467         SecondaryBufferImpl_SetCurrentPosition,
1468         SecondaryBufferImpl_SetFormat,
1469         SecondaryBufferImpl_SetVolume,
1470         SecondaryBufferImpl_SetPan,
1471         SecondaryBufferImpl_SetFrequency,
1472         SecondaryBufferImpl_Stop,
1473         SecondaryBufferImpl_Unlock,
1474         SecondaryBufferImpl_Restore,
1475         SecondaryBufferImpl_SetFX,
1476         SecondaryBufferImpl_AcquireResources,
1477         SecondaryBufferImpl_GetObjectInPath
1478 };
1479
1480 HRESULT WINAPI SecondaryBufferImpl_Create(
1481         IDirectSoundBufferImpl *dsb,
1482         SecondaryBufferImpl **psb)
1483 {
1484         SecondaryBufferImpl *sb;
1485         TRACE("(%p,%p)\n",dsb,psb);
1486
1487         sb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*sb));
1488
1489         if (sb == 0) {
1490                 WARN("out of memory\n");
1491                 *psb = NULL;
1492                 return DSERR_OUTOFMEMORY;
1493         }
1494         sb->ref = 0;
1495         sb->dsb = dsb;
1496         sb->lpVtbl = &sbvt;
1497
1498         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)dsb);
1499         *psb = sb;
1500         return S_OK;
1501 }
1502
1503 HRESULT WINAPI SecondaryBufferImpl_Destroy(
1504     SecondaryBufferImpl *pdsb)
1505 {
1506     TRACE("(%p)\n",pdsb);
1507
1508     while (SecondaryBufferImpl_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1509
1510     return S_OK;
1511 }