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 <stdarg.h>
  23
  24 #define NONAMELESSSTRUCT
  25 #define NONAMELESSUNION
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "mmsystem.h"
  30 #include "winreg.h"
  31 #include "winternl.h"
  32 #include "wine/debug.h"
  33 #include "dsound.h"
  34 #include "dsdriver.h"
  35 #include "dsound_private.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  38
  39 /*******************************************************************************
  40  *              IDirectSoundNotify
  41  */
  42 static HRESULT WINAPI IDirectSoundNotifyImpl_QueryInterface(
  43         LPDIRECTSOUNDNOTIFY iface,REFIID riid,LPVOID *ppobj
  44 ) {
  45         IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  46         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
  47
  48         if (This->dsb == NULL) {
  49                 WARN("invalid parameter\n");
  50                 return E_INVALIDARG;
  51         }
  52
  53         return IDirectSoundBuffer_QueryInterface((LPDIRECTSOUNDBUFFER)This->dsb, riid, ppobj);
  54 }
  55
  56 static ULONG WINAPI IDirectSoundNotifyImpl_AddRef(LPDIRECTSOUNDNOTIFY iface)
  57 {
  58     IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  59     ULONG ref = InterlockedIncrement(&(This->ref));
  60     TRACE("(%p) ref was %ld\n", This, ref - 1);
  61     return ref;
  62 }
  63
  64 static ULONG WINAPI IDirectSoundNotifyImpl_Release(LPDIRECTSOUNDNOTIFY iface)
  65 {
  66     IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  67     ULONG ref = InterlockedDecrement(&(This->ref));
  68     TRACE("(%p) ref was %ld\n", This, ref + 1);
  69
  70     if (!ref) {
  71         IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER)This->dsb);
  72         This->dsb->notify = NULL;
  73         HeapFree(GetProcessHeap(), 0, This);
  74         TRACE("(%p) released\n", This);
  75     }
  76     return ref;
  77 }
  78
  79 static HRESULT WINAPI IDirectSoundNotifyImpl_SetNotificationPositions(
  80         LPDIRECTSOUNDNOTIFY iface,DWORD howmuch,LPCDSBPOSITIONNOTIFY notify
  81 ) {
  82         IDirectSoundNotifyImpl *This = (IDirectSoundNotifyImpl *)iface;
  83         TRACE("(%p,0x%08lx,%p)\n",This,howmuch,notify);
  84
  85         if (howmuch > 0 && notify == NULL) {
  86             WARN("invalid parameter: notify == NULL\n");
  87             return DSERR_INVALIDPARAM;
  88         }
  89
  90         if (TRACE_ON(dsound)) {
  91             unsigned int        i;
  92             for (i=0;i<howmuch;i++)
  93                 TRACE("notify at %ld to %p\n",
  94                     notify[i].dwOffset,notify[i].hEventNotify);
  95         }
  96
  97         if (This->dsb->hwnotify) {
  98             HRESULT hres;
  99             hres = IDsDriverNotify_SetNotificationPositions(This->dsb->hwnotify, howmuch, notify);
 100             if (hres != DS_OK)
 101                     WARN("IDsDriverNotify_SetNotificationPositions failed\n");
 102             return hres;
 103         } else if (howmuch > 0) {
 104             /* Make an internal copy of the caller-supplied array.
 105              * Replace the existing copy if one is already present. */
 106             if (This->dsb->notifies)
 107                     This->dsb->notifies = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 108                         This->dsb->notifies, howmuch * sizeof(DSBPOSITIONNOTIFY));
 109             else
 110                     This->dsb->notifies = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 111                         howmuch * sizeof(DSBPOSITIONNOTIFY));
 112
 113             if (This->dsb->notifies == NULL) {
 114                     WARN("out of memory\n");
 115                     return DSERR_OUTOFMEMORY;
 116             }
 117             CopyMemory(This->dsb->notifies, notify, howmuch * sizeof(DSBPOSITIONNOTIFY));
 118             This->dsb->nrofnotifies = howmuch;
 119         } else {
 120            HeapFree(GetProcessHeap(), 0, This->dsb->notifies);
 121            This->dsb->notifies = NULL;
 122            This->dsb->nrofnotifies = 0;
 123         }
 124
 125         return S_OK;
 126 }
 127
 128 static const IDirectSoundNotifyVtbl dsnvt =
 129 {
 130     IDirectSoundNotifyImpl_QueryInterface,
 131     IDirectSoundNotifyImpl_AddRef,
 132     IDirectSoundNotifyImpl_Release,
 133     IDirectSoundNotifyImpl_SetNotificationPositions,
 134 };
 135
 136 HRESULT IDirectSoundNotifyImpl_Create(
 137     IDirectSoundBufferImpl * dsb,
 138     IDirectSoundNotifyImpl **pdsn)
 139 {
 140     IDirectSoundNotifyImpl * dsn;
 141     TRACE("(%p,%p)\n",dsb,pdsn);
 142
 143     dsn = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(dsn));
 144
 145     if (dsn == NULL) {
 146         WARN("out of memory\n");
 147         return DSERR_OUTOFMEMORY;
 148     }
 149
 150     dsn->ref = 0;
 151     dsn->lpVtbl = &dsnvt;
 152     dsn->dsb = dsb;
 153     dsb->notify = dsn;
 154     IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)dsb);
 155
 156     *pdsn = dsn;
 157     return DS_OK;
 158 }
 159
 160 HRESULT IDirectSoundNotifyImpl_Destroy(
 161     IDirectSoundNotifyImpl *pdsn)
 162 {
 163     TRACE("(%p)\n",pdsn);
 164
 165     while (IDirectSoundNotifyImpl_Release((LPDIRECTSOUNDNOTIFY)pdsn) > 0);
 166
 167     return DS_OK;
 168 }
 169
 170 /*******************************************************************************
 171  *              IDirectSoundBuffer
 172  */
 173
 174 static HRESULT WINAPI IDirectSoundBufferImpl_SetFormat(
 175         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex
 176 ) {
 177         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 178
 179         TRACE("(%p,%p)\n",This,wfex);
 180         /* This method is not available on secondary buffers */
 181         WARN("invalid call\n");
 182         return DSERR_INVALIDCALL;
 183 }
 184
 185 static HRESULT WINAPI IDirectSoundBufferImpl_SetVolume(
 186         LPDIRECTSOUNDBUFFER8 iface,LONG vol
 187 ) {
 188         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 189         LONG oldVol;
 190         HRESULT hres = DS_OK;
 191
 192         TRACE("(%p,%ld)\n",This,vol);
 193
 194         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 195                 WARN("control unavailable: This->dsbd.dwFlags = 0x%08lx\n", This->dsbd.dwFlags);
 196                 return DSERR_CONTROLUNAVAIL;
 197         }
 198
 199         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 200                 WARN("invalid parameter: vol = %ld\n", vol);
 201                 return DSERR_INVALIDPARAM;
 202         }
 203
 204         /* **** */
 205         EnterCriticalSection(&(This->lock));
 206
 207         if (This->dsbd.dwFlags & DSBCAPS_CTRL3D) {
 208                 oldVol = This->ds3db_lVolume;
 209                 This->ds3db_lVolume = vol;
 210         } else {
 211                 oldVol = This->volpan.lVolume;
 212                 This->volpan.lVolume = vol;
 213                 if (vol != oldVol)
 214                         DSOUND_RecalcVolPan(&(This->volpan));
 215         }
 216
 217         if (vol != oldVol) {
 218                 if (This->hwbuf) {
 219                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
 220                         if (hres != DS_OK)
 221                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
 222                 } else
 223                         DSOUND_ForceRemix(This);
 224         }
 225
 226         LeaveCriticalSection(&(This->lock));
 227         /* **** */
 228
 229         return hres;
 230 }
 231
 232 static HRESULT WINAPI IDirectSoundBufferImpl_GetVolume(
 233         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol
 234 ) {
 235         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 236         TRACE("(%p,%p)\n",This,vol);
 237
 238         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 239                 WARN("control unavailable\n");
 240                 return DSERR_CONTROLUNAVAIL;
 241         }
 242
 243         if (vol == NULL) {
 244                 WARN("invalid parameter: vol == NULL\n");
 245                 return DSERR_INVALIDPARAM;
 246         }
 247
 248         *vol = This->volpan.lVolume;
 249
 250         return DS_OK;
 251 }
 252
 253 static HRESULT WINAPI IDirectSoundBufferImpl_SetFrequency(
 254         LPDIRECTSOUNDBUFFER8 iface,DWORD freq
 255 ) {
 256         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 257         DWORD oldFreq;
 258
 259         TRACE("(%p,%ld)\n",This,freq);
 260
 261         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
 262                 WARN("control unavailable\n");
 263                 return DSERR_CONTROLUNAVAIL;
 264         }
 265
 266         if (freq == DSBFREQUENCY_ORIGINAL)
 267                 freq = This->pwfx->nSamplesPerSec;
 268
 269         if ((freq < DSBFREQUENCY_MIN) || (freq > DSBFREQUENCY_MAX)) {
 270                 WARN("invalid parameter: freq = %ld\n", freq);
 271                 return DSERR_INVALIDPARAM;
 272         }
 273
 274         /* **** */
 275         EnterCriticalSection(&(This->lock));
 276
 277         oldFreq = This->freq;
 278         This->freq = freq;
 279         if (freq != oldFreq) {
 280                 This->freqAdjust = (freq << DSOUND_FREQSHIFT) / This->dsound->device->pwfx->nSamplesPerSec;
 281                 This->nAvgBytesPerSec = freq * This->pwfx->nBlockAlign;
 282                 DSOUND_RecalcFormat(This);
 283                 if (!This->hwbuf)
 284                         DSOUND_ForceRemix(This);
 285         }
 286
 287         LeaveCriticalSection(&(This->lock));
 288         /* **** */
 289
 290         return DS_OK;
 291 }
 292
 293 static HRESULT WINAPI IDirectSoundBufferImpl_Play(
 294         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags
 295 ) {
 296         HRESULT hres = DS_OK;
 297         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 298         TRACE("(%p,%08lx,%08lx,%08lx)\n",This,reserved1,reserved2,flags);
 299
 300         /* **** */
 301         EnterCriticalSection(&(This->lock));
 302
 303         This->playflags = flags;
 304         if (This->state == STATE_STOPPED) {
 305                 This->leadin = TRUE;
 306                 This->startpos = This->buf_mixpos;
 307                 This->state = STATE_STARTING;
 308         } else if (This->state == STATE_STOPPING)
 309                 This->state = STATE_PLAYING;
 310         if (This->hwbuf) {
 311                 hres = IDsDriverBuffer_Play(This->hwbuf, 0, 0, This->playflags);
 312                 if (hres != DS_OK)
 313                         WARN("IDsDriverBuffer_Play failed\n");
 314                 else
 315                         This->state = STATE_PLAYING;
 316         }
 317
 318         LeaveCriticalSection(&(This->lock));
 319         /* **** */
 320
 321         return hres;
 322 }
 323
 324 static HRESULT WINAPI IDirectSoundBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
 325 {
 326         HRESULT hres = DS_OK;
 327         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 328         TRACE("(%p)\n",This);
 329
 330         /* **** */
 331         EnterCriticalSection(&(This->lock));
 332
 333         if (This->state == STATE_PLAYING)
 334                 This->state = STATE_STOPPING;
 335         else if (This->state == STATE_STARTING)
 336                 This->state = STATE_STOPPED;
 337         if (This->hwbuf) {
 338                 hres = IDsDriverBuffer_Stop(This->hwbuf);
 339                 if (hres != DS_OK)
 340                         WARN("IDsDriverBuffer_Stop failed\n");
 341                 else
 342                         This->state = STATE_STOPPED;
 343         }
 344         DSOUND_CheckEvent(This, 0);
 345
 346         LeaveCriticalSection(&(This->lock));
 347         /* **** */
 348
 349         return hres;
 350 }
 351
 352 static ULONG WINAPI IDirectSoundBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
 353 {
 354     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 355     ULONG ref = InterlockedIncrement(&(This->ref));
 356     TRACE("(%p) ref was %ld\n", This, ref - 1);
 357     return ref;
 358 }
 359
 360 static ULONG WINAPI IDirectSoundBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
 361 {
 362     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 363     ULONG ref = InterlockedDecrement(&(This->ref));
 364     TRACE("(%p) ref was %ld\n", This, ref + 1);
 365
 366     if (!ref) {
 367         DSOUND_RemoveBuffer(This->dsound, This);
 368
 369         This->lock.DebugInfo->Spare[0] = 0;
 370         DeleteCriticalSection(&(This->lock));
 371
 372         if (This->hwbuf) {
 373                 IDsDriverBuffer_Release(This->hwbuf);
 374                 if (This->dsound->device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
 375                         This->buffer->ref--;
 376                         if (This->buffer->ref==0) {
 377                                 HeapFree(GetProcessHeap(),0,This->buffer->memory);
 378                                 HeapFree(GetProcessHeap(),0,This->buffer);
 379                         }
 380                 }
 381         } else {
 382                 This->buffer->ref--;
 383                 if (This->buffer->ref==0) {
 384                         HeapFree(GetProcessHeap(),0,This->buffer->memory);
 385                         HeapFree(GetProcessHeap(),0,This->buffer);
 386                 }
 387         }
 388
 389         HeapFree(GetProcessHeap(), 0, This->notifies);
 390         HeapFree(GetProcessHeap(), 0, This->pwfx);
 391         HeapFree(GetProcessHeap(), 0, This);
 392
 393         TRACE("(%p) released\n", This);
 394     }
 395     return ref;
 396 }
 397
 398 DWORD DSOUND_CalcPlayPosition(IDirectSoundBufferImpl *This, DWORD pplay, DWORD pwrite)
 399 {
 400         DWORD bplay = This->buf_mixpos;
 401         DWORD pmix = This->primary_mixpos;
 402         TRACE("(%p, pplay=%lu, pwrite=%lu)\n", This, pplay, pwrite);
 403
 404         /* the actual primary play position (pplay) is always behind last mixed (pmix),
 405          * unless the computer is too slow or something */
 406         /* we need to know how far away we are from there */
 407         if (pmix < pplay) pmix += This->dsound->device->buflen; /* wraparound */
 408         pmix -= pplay;
 409         /* detect buffer underrun */
 410         if (pwrite < pplay) pwrite += This->dsound->device->buflen; /* wraparound */
 411         pwrite -= pplay;
 412         if (pmix > (ds_snd_queue_max * This->dsound->device->fraglen + pwrite + This->dsound->device->writelead)) {
 413                 WARN("detected an underrun: primary queue was %ld\n",pmix);
 414                 pmix = 0;
 415         }
 416         /* divide the offset by its sample size */
 417         pmix /= This->dsound->device->pwfx->nBlockAlign;
 418         TRACE("primary back-samples=%ld\n",pmix);
 419         /* adjust for our frequency */
 420         pmix = (pmix * This->freqAdjust) >> DSOUND_FREQSHIFT;
 421         /* multiply by our own sample size */
 422         pmix *= This->pwfx->nBlockAlign;
 423         TRACE("this back-offset=%ld\n", pmix);
 424         /* subtract from our last mixed position */
 425         while (bplay < pmix) bplay += This->buflen; /* wraparound */
 426         bplay -= pmix;
 427         if (This->leadin && ((bplay < This->startpos) || (bplay > This->buf_mixpos))) {
 428                 /* seems we haven't started playing yet */
 429                 TRACE("this still in lead-in phase\n");
 430                 bplay = This->startpos;
 431         }
 432         /* return the result */
 433         return bplay;
 434 }
 435
 436 static HRESULT WINAPI IDirectSoundBufferImpl_GetCurrentPosition(
 437         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos
 438 ) {
 439         HRESULT hres;
 440         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 441         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
 442         if (This->hwbuf) {
 443                 hres=IDsDriverBuffer_GetPosition(This->hwbuf,playpos,writepos);
 444                 if (hres != DS_OK) {
 445                     WARN("IDsDriverBuffer_GetPosition failed\n");
 446                     return hres;
 447                 }
 448         } else {
 449                 if (playpos && (This->state != STATE_PLAYING)) {
 450                         /* we haven't been merged into the primary buffer (yet) */
 451                         *playpos = This->buf_mixpos;
 452                 } else if (playpos) {
 453                         DWORD pplay, pwrite;
 454                         /* let's get this exact; first, recursively call GetPosition on the primary */
 455                         EnterCriticalSection(&(This->dsound->device->mixlock));
 456                         if (DSOUND_PrimaryGetPosition(This->dsound->device, &pplay, &pwrite) != DS_OK)
 457                                 WARN("DSOUND_PrimaryGetPosition failed\n");
 458                         /* detect HEL mode underrun */
 459                         if (!(This->dsound->device->hwbuf || This->dsound->device->pwqueue))
 460                                 TRACE("detected an underrun\n");
 461                         if ((This->dsbd.dwFlags & DSBCAPS_GETCURRENTPOSITION2) || This->dsound->device->hwbuf) {
 462                                 /* calculate play position using this */
 463                                 *playpos = DSOUND_CalcPlayPosition(This, pplay, pwrite);
 464                         } else {
 465                                 /* (unless the app isn't using GETCURRENTPOSITION2) */
 466                                 /* don't know exactly how this should be handled...
 467                                  * the docs says that play cursor is reported as directly
 468                                  * behind write cursor, hmm... */
 469                                 /* let's just do what might work for Half-Life */
 470                                 DWORD wp;
 471                                 wp = (This->dsound->device->pwplay + ds_hel_margin) * This->dsound->device->fraglen;
 472                                 wp %= This->dsound->device->buflen;
 473                                 *playpos = DSOUND_CalcPlayPosition(This, wp, pwrite);
 474                         }
 475                         LeaveCriticalSection(&(This->dsound->device->mixlock));
 476                 }
 477                 if (writepos)
 478                     *writepos = This->buf_mixpos;
 479         }
 480         if (writepos) {
 481                 if (This->state != STATE_STOPPED) {
 482                         /* apply the documented 10ms lead to writepos */
 483                         *writepos += This->writelead;
 484                 }
 485                 *writepos %= This->buflen;
 486         }
 487         if (playpos)
 488             This->last_playpos = *playpos;
 489         TRACE("playpos = %ld, writepos = %ld (%p, time=%ld)\n", playpos?*playpos:0, writepos?*writepos:0, This, GetTickCount());
 490         return DS_OK;
 491 }
 492
 493 static HRESULT WINAPI IDirectSoundBufferImpl_GetStatus(
 494         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status
 495 ) {
 496         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 497         TRACE("(%p,%p), thread is %04lx\n",This,status,GetCurrentThreadId());
 498
 499         if (status == NULL) {
 500                 WARN("invalid parameter: status = NULL\n");
 501                 return DSERR_INVALIDPARAM;
 502         }
 503
 504         *status = 0;
 505         if ((This->state == STATE_STARTING) || (This->state == STATE_PLAYING)) {
 506                 *status |= DSBSTATUS_PLAYING;
 507                 if (This->playflags & DSBPLAY_LOOPING)
 508                         *status |= DSBSTATUS_LOOPING;
 509         }
 510
 511         TRACE("status=%lx\n", *status);
 512         return DS_OK;
 513 }
 514
 515
 516 static HRESULT WINAPI IDirectSoundBufferImpl_GetFormat(
 517     LPDIRECTSOUNDBUFFER8 iface,
 518     LPWAVEFORMATEX lpwf,
 519     DWORD wfsize,
 520     LPDWORD wfwritten)
 521 {
 522     DWORD size;
 523     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 524     TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
 525
 526     size = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
 527
 528     if (lpwf) { /* NULL is valid */
 529         if (wfsize >= size) {
 530             CopyMemory(lpwf,This->pwfx,size);
 531             if (wfwritten)
 532                 *wfwritten = size;
 533         } else {
 534             WARN("invalid parameter: wfsize too small\n");
 535             if (wfwritten)
 536                 *wfwritten = 0;
 537             return DSERR_INVALIDPARAM;
 538         }
 539     } else {
 540         if (wfwritten)
 541             *wfwritten = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
 542         else {
 543             WARN("invalid parameter: wfwritten == NULL\n");
 544             return DSERR_INVALIDPARAM;
 545         }
 546     }
 547
 548     return DS_OK;
 549 }
 550
 551 static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
 552         LPDIRECTSOUNDBUFFER8 iface,DWORD writecursor,DWORD writebytes,LPVOID lplpaudioptr1,LPDWORD audiobytes1,LPVOID lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 553 ) {
 554         HRESULT hres = DS_OK;
 555         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 556
 557         TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx) at %ld\n",
 558                 This,
 559                 writecursor,
 560                 writebytes,
 561                 lplpaudioptr1,
 562                 audiobytes1,
 563                 lplpaudioptr2,
 564                 audiobytes2,
 565                 flags,
 566                 GetTickCount()
 567         );
 568
 569         if (flags & DSBLOCK_FROMWRITECURSOR) {
 570                 DWORD writepos;
 571                 /* GetCurrentPosition does too much magic to duplicate here */
 572                 hres = IDirectSoundBufferImpl_GetCurrentPosition(iface, NULL, &writepos);
 573                 if (hres != DS_OK) {
 574                         WARN("IDirectSoundBufferImpl_GetCurrentPosition failed\n");
 575                         return hres;
 576                 }
 577                 writecursor += writepos;
 578         }
 579         writecursor %= This->buflen;
 580         if (flags & DSBLOCK_ENTIREBUFFER)
 581                 writebytes = This->buflen;
 582         if (writebytes > This->buflen)
 583                 writebytes = This->buflen;
 584
 585         EnterCriticalSection(&(This->lock));
 586
 587         if ((writebytes == This->buflen) &&
 588             ((This->state == STATE_STARTING) ||
 589              (This->state == STATE_PLAYING)))
 590                 /* some games, like Half-Life, try to be clever (not) and
 591                  * keep one secondary buffer, and mix sounds into it itself,
 592                  * locking the entire buffer every time... so we can just forget
 593                  * about tracking the last-written-to-position... */
 594                 This->probably_valid_to = (DWORD)-1;
 595         else
 596                 This->probably_valid_to = writecursor;
 597
 598         if (!(This->dsound->device->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 599                 hres = IDsDriverBuffer_Lock(This->hwbuf,
 600                                      lplpaudioptr1, audiobytes1,
 601                                      lplpaudioptr2, audiobytes2,
 602                                      writecursor, writebytes,
 603                                      0);
 604                 if (hres != DS_OK) {
 605                         WARN("IDsDriverBuffer_Lock failed\n");
 606                         LeaveCriticalSection(&(This->lock));
 607                         return hres;
 608                 }
 609         } else {
 610                 BOOL remix = FALSE;
 611                 if (writecursor+writebytes <= This->buflen) {
 612                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 613                         *audiobytes1 = writebytes;
 614                         if (lplpaudioptr2)
 615                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 616                         if (audiobytes2)
 617                                 *audiobytes2 = 0;
 618                         TRACE("->%ld.0\n",writebytes);
 619                 } else {
 620                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 621                         *audiobytes1 = This->buflen-writecursor;
 622                         if (lplpaudioptr2)
 623                                 *(LPBYTE*)lplpaudioptr2 = This->buffer->memory;
 624                         if (audiobytes2)
 625                                 *audiobytes2 = writebytes-(This->buflen-writecursor);
 626                         TRACE("->%ld.%ld\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 627                 }
 628                 if (This->state == STATE_PLAYING) {
 629                         /* if the segment between playpos and buf_mixpos is touched,
 630                          * we need to cancel some mixing */
 631                         /* we'll assume that the app always calls GetCurrentPosition before
 632                          * locking a playing buffer, so that last_playpos is up-to-date */
 633                         if (This->buf_mixpos >= This->last_playpos) {
 634                                 if (This->buf_mixpos > writecursor &&
 635                                     This->last_playpos < writecursor+writebytes)
 636                                         remix = TRUE;
 637                         } else {
 638                                 if (This->buf_mixpos > writecursor ||
 639                                     This->last_playpos < writecursor+writebytes)
 640                                         remix = TRUE;
 641                         }
 642                         if (remix) {
 643                                 TRACE("locking prebuffered region, ouch\n");
 644                                 DSOUND_MixCancelAt(This, writecursor);
 645                         }
 646                 }
 647         }
 648
 649         LeaveCriticalSection(&(This->lock));
 650         return DS_OK;
 651 }
 652
 653 static HRESULT WINAPI IDirectSoundBufferImpl_SetCurrentPosition(
 654         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos
 655 ) {
 656         HRESULT hres = DS_OK;
 657         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 658         TRACE("(%p,%ld)\n",This,newpos);
 659
 660         /* **** */
 661         EnterCriticalSection(&(This->lock));
 662
 663         newpos %= This->buflen;
 664         This->buf_mixpos = newpos;
 665         if (This->hwbuf) {
 666                 hres = IDsDriverBuffer_SetPosition(This->hwbuf, This->buf_mixpos);
 667                 if (hres != DS_OK)
 668                         WARN("IDsDriverBuffer_SetPosition failed\n");
 669         }
 670
 671         LeaveCriticalSection(&(This->lock));
 672         /* **** */
 673
 674         return hres;
 675 }
 676
 677 static HRESULT WINAPI IDirectSoundBufferImpl_SetPan(
 678         LPDIRECTSOUNDBUFFER8 iface,LONG pan
 679 ) {
 680         HRESULT hres = DS_OK;
 681         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 682
 683         TRACE("(%p,%ld)\n",This,pan);
 684
 685         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 686                 WARN("invalid parameter: pan = %ld\n", pan);
 687                 return DSERR_INVALIDPARAM;
 688         }
 689
 690         /* You cannot use both pan and 3D controls */
 691         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN) ||
 692             (This->dsbd.dwFlags & DSBCAPS_CTRL3D)) {
 693                 WARN("control unavailable\n");
 694                 return DSERR_CONTROLUNAVAIL;
 695         }
 696
 697         /* **** */
 698         EnterCriticalSection(&(This->lock));
 699
 700         if (This->volpan.lPan != pan) {
 701                 This->volpan.lPan = pan;
 702                 DSOUND_RecalcVolPan(&(This->volpan));
 703
 704                 if (This->hwbuf) {
 705                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
 706                         if (hres != DS_OK)
 707                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
 708                 } else
 709                         DSOUND_ForceRemix(This);
 710         }
 711
 712         LeaveCriticalSection(&(This->lock));
 713         /* **** */
 714
 715         return hres;
 716 }
 717
 718 static HRESULT WINAPI IDirectSoundBufferImpl_GetPan(
 719         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan
 720 ) {
 721         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 722         TRACE("(%p,%p)\n",This,pan);
 723
 724         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 725                 WARN("control unavailable\n");
 726                 return DSERR_CONTROLUNAVAIL;
 727         }
 728
 729         if (pan == NULL) {
 730                 WARN("invalid parameter: pan = NULL\n");
 731                 return DSERR_INVALIDPARAM;
 732         }
 733
 734         *pan = This->volpan.lPan;
 735
 736         return DS_OK;
 737 }
 738
 739 static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
 740         LPDIRECTSOUNDBUFFER8 iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 741 ) {
 742         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 743         DWORD probably_valid_to;
 744         HRESULT hres = DS_OK;
 745
 746         TRACE("(%p,%p,%ld,%p,%ld)\n", This,p1,x1,p2,x2);
 747
 748         /* **** */
 749         EnterCriticalSection(&(This->lock));
 750
 751         if (!(This->dsound->device->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 752                 hres = IDsDriverBuffer_Unlock(This->hwbuf, p1, x1, p2, x2);
 753                 if (hres != DS_OK)
 754                         WARN("IDsDriverBuffer_Unlock failed\n");
 755         }
 756
 757         if (hres == DS_OK) {
 758                 if (p2) probably_valid_to = (((LPBYTE)p2)-This->buffer->memory) + x2;
 759                 else probably_valid_to = (((LPBYTE)p1)-This->buffer->memory) + x1;
 760                 probably_valid_to %= This->buflen;
 761                 if ((probably_valid_to == 0) && ((x1+x2) == This->buflen) &&
 762                     ((This->state == STATE_STARTING) ||
 763                      (This->state == STATE_PLAYING)))
 764                         /* see IDirectSoundBufferImpl_Lock */
 765                         probably_valid_to = (DWORD)-1;
 766                 This->probably_valid_to = probably_valid_to;
 767         }
 768
 769         LeaveCriticalSection(&(This->lock));
 770         /* **** */
 771
 772         TRACE("probably_valid_to=%ld\n", This->probably_valid_to);
 773         return hres;
 774 }
 775
 776 static HRESULT WINAPI IDirectSoundBufferImpl_Restore(
 777         LPDIRECTSOUNDBUFFER8 iface
 778 ) {
 779         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 780         FIXME("(%p):stub\n",This);
 781         return DS_OK;
 782 }
 783
 784 static HRESULT WINAPI IDirectSoundBufferImpl_GetFrequency(
 785         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq
 786 ) {
 787         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 788         TRACE("(%p,%p)\n",This,freq);
 789
 790         if (freq == NULL) {
 791                 WARN("invalid parameter: freq = NULL\n");
 792                 return DSERR_INVALIDPARAM;
 793         }
 794
 795         *freq = This->freq;
 796         TRACE("-> %ld\n", *freq);
 797
 798         return DS_OK;
 799 }
 800
 801 static HRESULT WINAPI IDirectSoundBufferImpl_SetFX(
 802         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes
 803 ) {
 804         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 805         DWORD u;
 806
 807         FIXME("(%p,%lu,%p,%p): stub\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
 808
 809         if (pdwResultCodes)
 810                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 811
 812         WARN("control unavailable\n");
 813         return DSERR_CONTROLUNAVAIL;
 814 }
 815
 816 static HRESULT WINAPI IDirectSoundBufferImpl_AcquireResources(
 817         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes
 818 ) {
 819         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 820         DWORD u;
 821
 822         FIXME("(%p,%08lu,%lu,%p): stub\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
 823
 824         if (pdwResultCodes)
 825                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 826
 827         WARN("control unavailable\n");
 828         return DSERR_CONTROLUNAVAIL;
 829 }
 830
 831 static HRESULT WINAPI IDirectSoundBufferImpl_GetObjectInPath(
 832         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject
 833 ) {
 834         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 835
 836         FIXME("(%p,%s,%lu,%s,%p): stub\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
 837
 838         WARN("control unavailable\n");
 839         return DSERR_CONTROLUNAVAIL;
 840 }
 841
 842 static HRESULT WINAPI IDirectSoundBufferImpl_Initialize(
 843         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
 844 ) {
 845         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 846         FIXME("(%p,%p,%p):stub\n",This,dsound,dbsd);
 847         DPRINTF("Re-Init!!!\n");
 848         WARN("already initialized\n");
 849         return DSERR_ALREADYINITIALIZED;
 850 }
 851
 852 static HRESULT WINAPI IDirectSoundBufferImpl_GetCaps(
 853         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps
 854 ) {
 855         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 856         TRACE("(%p)->(%p)\n",This,caps);
 857
 858         if (caps == NULL) {
 859                 WARN("invalid parameter: caps == NULL\n");
 860                 return DSERR_INVALIDPARAM;
 861         }
 862
 863         if (caps->dwSize < sizeof(*caps)) {
 864                 WARN("invalid parameter: caps->dwSize = %ld < %d\n",caps->dwSize, sizeof(*caps));
 865                 return DSERR_INVALIDPARAM;
 866         }
 867
 868         caps->dwFlags = This->dsbd.dwFlags;
 869         if (This->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
 870         else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
 871
 872         caps->dwBufferBytes = This->buflen;
 873
 874         /* This value represents the speed of the "unlock" command.
 875            As unlock is quite fast (it does not do anything), I put
 876            4096 ko/s = 4 Mo / s */
 877         /* FIXME: hwbuf speed */
 878         caps->dwUnlockTransferRate = 4096;
 879         caps->dwPlayCpuOverhead = 0;
 880
 881         return DS_OK;
 882 }
 883
 884 static HRESULT WINAPI IDirectSoundBufferImpl_QueryInterface(
 885         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj
 886 ) {
 887         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 888
 889         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 890
 891         if (ppobj == NULL) {
 892                 WARN("invalid parameter\n");
 893                 return E_INVALIDARG;
 894         }
 895
 896         *ppobj = NULL;  /* assume failure */
 897
 898         if ( IsEqualGUID(riid, &IID_IUnknown) ||
 899              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ||
 900              IsEqualGUID(riid, &IID_IDirectSoundBuffer8) ) {
 901                 if (!This->secondary)
 902                         SecondaryBufferImpl_Create(This, &(This->secondary));
 903                 if (This->secondary) {
 904                         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)This->secondary);
 905                         *ppobj = This->secondary;
 906                         return S_OK;
 907                 }
 908                 WARN("IID_IDirectSoundBuffer\n");
 909                 return E_NOINTERFACE;
 910         }
 911
 912         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
 913                 if (!This->notify)
 914                         IDirectSoundNotifyImpl_Create(This, &(This->notify));
 915                 if (This->notify) {
 916                         IDirectSoundNotify_AddRef((LPDIRECTSOUNDNOTIFY)This->notify);
 917                         *ppobj = This->notify;
 918                         return S_OK;
 919                 }
 920                 WARN("IID_IDirectSoundNotify\n");
 921                 return E_NOINTERFACE;
 922         }
 923
 924         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
 925                 if (!This->ds3db)
 926                         IDirectSound3DBufferImpl_Create(This, &(This->ds3db));
 927                 if (This->ds3db) {
 928                         IDirectSound3DBuffer_AddRef((LPDIRECTSOUND3DBUFFER)This->ds3db);
 929                         *ppobj = This->ds3db;
 930                         return S_OK;
 931                 }
 932                 WARN("IID_IDirectSound3DBuffer\n");
 933                 return E_NOINTERFACE;
 934         }
 935
 936         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
 937                 ERR("app requested IDirectSound3DListener on secondary buffer\n");
 938                 return E_NOINTERFACE;
 939         }
 940
 941         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
 942                 if (!This->iks)
 943                         IKsBufferPropertySetImpl_Create(This, &(This->iks));
 944                 if (This->iks) {
 945                         IKsPropertySet_AddRef((LPKSPROPERTYSET)This->iks);
 946                         *ppobj = This->iks;
 947                         return S_OK;
 948                 }
 949                 WARN("IID_IKsPropertySet\n");
 950                 return E_NOINTERFACE;
 951         }
 952
 953         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 954
 955         return E_NOINTERFACE;
 956 }
 957
 958 static const IDirectSoundBuffer8Vtbl dsbvt =
 959 {
 960         IDirectSoundBufferImpl_QueryInterface,
 961         IDirectSoundBufferImpl_AddRef,
 962         IDirectSoundBufferImpl_Release,
 963         IDirectSoundBufferImpl_GetCaps,
 964         IDirectSoundBufferImpl_GetCurrentPosition,
 965         IDirectSoundBufferImpl_GetFormat,
 966         IDirectSoundBufferImpl_GetVolume,
 967         IDirectSoundBufferImpl_GetPan,
 968         IDirectSoundBufferImpl_GetFrequency,
 969         IDirectSoundBufferImpl_GetStatus,
 970         IDirectSoundBufferImpl_Initialize,
 971         IDirectSoundBufferImpl_Lock,
 972         IDirectSoundBufferImpl_Play,
 973         IDirectSoundBufferImpl_SetCurrentPosition,
 974         IDirectSoundBufferImpl_SetFormat,
 975         IDirectSoundBufferImpl_SetVolume,
 976         IDirectSoundBufferImpl_SetPan,
 977         IDirectSoundBufferImpl_SetFrequency,
 978         IDirectSoundBufferImpl_Stop,
 979         IDirectSoundBufferImpl_Unlock,
 980         IDirectSoundBufferImpl_Restore,
 981         IDirectSoundBufferImpl_SetFX,
 982         IDirectSoundBufferImpl_AcquireResources,
 983         IDirectSoundBufferImpl_GetObjectInPath
 984 };
 985
 986 HRESULT IDirectSoundBufferImpl_Create(
 987         IDirectSoundImpl *ds,
 988         IDirectSoundBufferImpl **pdsb,
 989         LPCDSBUFFERDESC dsbd)
 990 {
 991         IDirectSoundBufferImpl *dsb;
 992         LPWAVEFORMATEX wfex = dsbd->lpwfxFormat;
 993         HRESULT err = DS_OK;
 994         DWORD capf = 0;
 995         int use_hw, alloc_size, cp_size;
 996         TRACE("(%p,%p,%p)\n",ds,pdsb,dsbd);
 997
 998         if (dsbd->dwBufferBytes < DSBSIZE_MIN || dsbd->dwBufferBytes > DSBSIZE_MAX) {
 999                 WARN("invalid parameter: dsbd->dwBufferBytes = %ld\n", dsbd->dwBufferBytes);
1000                 *pdsb = NULL;
1001                 return DSERR_INVALIDPARAM; /* FIXME: which error? */
1002         }
1003
1004         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1005
1006         if (dsb == 0) {
1007                 WARN("out of memory\n");
1008                 *pdsb = NULL;
1009                 return DSERR_OUTOFMEMORY;
1010         }
1011
1012         TRACE("Created buffer at %p\n", dsb);
1013
1014         dsb->ref = 0;
1015         dsb->secondary = 0;
1016         dsb->dsound = ds;
1017         dsb->lpVtbl = &dsbvt;
1018         dsb->iks = NULL;
1019
1020         /* size depends on version */
1021         CopyMemory(&dsb->dsbd, dsbd, dsbd->dwSize);
1022
1023         /* variable sized struct so calculate size based on format */
1024         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
1025                 alloc_size = sizeof(WAVEFORMATEX);
1026                 cp_size = sizeof(PCMWAVEFORMAT);
1027         } else
1028                 alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
1029
1030         dsb->pwfx = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,alloc_size);
1031         if (dsb->pwfx == NULL) {
1032                 WARN("out of memory\n");
1033                 HeapFree(GetProcessHeap(),0,dsb);
1034                 *pdsb = NULL;
1035                 return DSERR_OUTOFMEMORY;
1036         }
1037
1038         CopyMemory(dsb->pwfx, wfex, cp_size);
1039
1040         if (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign)
1041                 dsb->buflen = dsbd->dwBufferBytes +
1042                         (dsbd->lpwfxFormat->nBlockAlign -
1043                         (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign));
1044         else
1045                 dsb->buflen = dsbd->dwBufferBytes;
1046
1047         dsb->freq = dsbd->lpwfxFormat->nSamplesPerSec;
1048         dsb->notify = NULL;
1049         dsb->notifies = NULL;
1050         dsb->nrofnotifies = 0;
1051         dsb->hwnotify = 0;
1052
1053         /* Check necessary hardware mixing capabilities */
1054         if (wfex->nChannels==2) capf |= DSCAPS_SECONDARYSTEREO;
1055         else capf |= DSCAPS_SECONDARYMONO;
1056         if (wfex->wBitsPerSample==16) capf |= DSCAPS_SECONDARY16BIT;
1057         else capf |= DSCAPS_SECONDARY8BIT;
1058
1059         use_hw = (ds->device->drvcaps.dwFlags & capf) == capf;
1060         TRACE("use_hw = 0x%08x, capf = 0x%08lx, ds->drvcaps.dwFlags = 0x%08lx\n", use_hw, capf, ds->device->drvcaps.dwFlags);
1061
1062         /* FIXME: check hardware sample rate mixing capabilities */
1063         /* FIXME: check app hints for software/hardware buffer (STATIC, LOCHARDWARE, etc) */
1064         /* FIXME: check whether any hardware buffers are left */
1065         /* FIXME: handle DSDHEAP_CREATEHEAP for hardware buffers */
1066
1067         /* Allocate an empty buffer */
1068         dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
1069         if (dsb->buffer == NULL) {
1070                 WARN("out of memory\n");
1071                 HeapFree(GetProcessHeap(),0,dsb->pwfx);
1072                 HeapFree(GetProcessHeap(),0,dsb);
1073                 *pdsb = NULL;
1074                 return DSERR_OUTOFMEMORY;
1075         }
1076
1077         /* Allocate system memory for buffer if applicable */
1078         if ((ds->device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) || !use_hw) {
1079                 dsb->buffer->memory = HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1080                 if (dsb->buffer->memory == NULL) {
1081                         WARN("out of memory\n");
1082                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1083                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1084                         HeapFree(GetProcessHeap(),0,dsb);
1085                         *pdsb = NULL;
1086                         return DSERR_OUTOFMEMORY;
1087                 }
1088                 dsb->buffer->ref = 1;
1089                 FillMemory(dsb->buffer->memory, dsb->buflen, dsbd->lpwfxFormat->wBitsPerSample == 8 ? 128 : 0);
1090         }
1091
1092         /* Allocate the hardware buffer */
1093         if (use_hw) {
1094                 err = IDsDriver_CreateSoundBuffer(ds->device->driver,wfex,dsbd->dwFlags,0,
1095                                                   &(dsb->buflen),&(dsb->buffer->memory),
1096                                                   (LPVOID*)&(dsb->hwbuf));
1097                 /* fall back to software buffer on failure */
1098                 if (err != DS_OK) {
1099                         TRACE("IDsDriver_CreateSoundBuffer failed, falling back to software buffer\n");
1100                         use_hw = 0;
1101                         if (ds->device->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
1102                                 dsb->buffer->memory = HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1103                                 if (dsb->buffer->memory == NULL) {
1104                                         WARN("out of memory\n");
1105                                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1106                                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1107                                         HeapFree(GetProcessHeap(),0,dsb);
1108                                         *pdsb = NULL;
1109                                         return DSERR_OUTOFMEMORY;
1110                                 }
1111                                 dsb->buffer->ref = 1;
1112                                 FillMemory(dsb->buffer->memory, dsb->buflen, dsbd->lpwfxFormat->wBitsPerSample == 8 ? 128 : 0);
1113                         }
1114                         err = DS_OK;
1115                 }
1116         }
1117
1118         /* calculate fragment size and write lead */
1119         DSOUND_RecalcFormat(dsb);
1120
1121         /* It's not necessary to initialize values to zero since */
1122         /* we allocated this structure with HEAP_ZERO_MEMORY... */
1123         dsb->playpos = 0;
1124         dsb->buf_mixpos = 0;
1125         dsb->state = STATE_STOPPED;
1126
1127         dsb->freqAdjust = (dsb->freq << DSOUND_FREQSHIFT) /
1128                 ds->device->pwfx->nSamplesPerSec;
1129         dsb->nAvgBytesPerSec = dsb->freq *
1130                 dsbd->lpwfxFormat->nBlockAlign;
1131
1132         if (dsb->dsbd.dwFlags & DSBCAPS_CTRL3D) {
1133                 dsb->ds3db_ds3db.dwSize = sizeof(DS3DBUFFER);
1134                 dsb->ds3db_ds3db.vPosition.x = 0.0;
1135                 dsb->ds3db_ds3db.vPosition.y = 0.0;
1136                 dsb->ds3db_ds3db.vPosition.z = 0.0;
1137                 dsb->ds3db_ds3db.vVelocity.x = 0.0;
1138                 dsb->ds3db_ds3db.vVelocity.y = 0.0;
1139                 dsb->ds3db_ds3db.vVelocity.z = 0.0;
1140                 dsb->ds3db_ds3db.dwInsideConeAngle = DS3D_DEFAULTCONEANGLE;
1141                 dsb->ds3db_ds3db.dwOutsideConeAngle = DS3D_DEFAULTCONEANGLE;
1142                 dsb->ds3db_ds3db.vConeOrientation.x = 0.0;
1143                 dsb->ds3db_ds3db.vConeOrientation.y = 0.0;
1144                 dsb->ds3db_ds3db.vConeOrientation.z = 0.0;
1145                 dsb->ds3db_ds3db.lConeOutsideVolume = DS3D_DEFAULTCONEOUTSIDEVOLUME;
1146                 dsb->ds3db_ds3db.flMinDistance = DS3D_DEFAULTMINDISTANCE;
1147                 dsb->ds3db_ds3db.flMaxDistance = DS3D_DEFAULTMAXDISTANCE;
1148                 dsb->ds3db_ds3db.dwMode = DS3DMODE_NORMAL;
1149
1150                 dsb->ds3db_need_recalc = FALSE;
1151                 DSOUND_Calc3DBuffer(dsb);
1152         } else
1153                 DSOUND_RecalcVolPan(&(dsb->volpan));
1154
1155         InitializeCriticalSection(&(dsb->lock));
1156         dsb->lock.DebugInfo->Spare[0] = (DWORD_PTR)"DSOUNDBUFFER_lock";
1157
1158         /* register buffer if not primary */
1159         if (!(dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER)) {
1160                 err = DSOUND_AddBuffer(ds, dsb);
1161                 if (err != DS_OK) {
1162                         HeapFree(GetProcessHeap(),0,dsb->buffer->memory);
1163                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1164                         dsb->lock.DebugInfo->Spare[0] = 0;
1165                         DeleteCriticalSection(&(dsb->lock));
1166                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1167                         HeapFree(GetProcessHeap(),0,dsb);
1168                         dsb = NULL;
1169                 }
1170         }
1171
1172         *pdsb = dsb;
1173         return err;
1174 }
1175
1176 HRESULT IDirectSoundBufferImpl_Destroy(
1177     IDirectSoundBufferImpl *pdsb)
1178 {
1179     TRACE("(%p)\n",pdsb);
1180
1181     /* This keeps the *_Destroy functions from possibly deleting
1182      * this object until it is ready to be deleted */
1183     IDirectSoundBufferImpl_AddRef((LPDIRECTSOUNDBUFFER8)pdsb);
1184
1185     if (pdsb->iks) {
1186         WARN("iks not NULL\n");
1187         IKsBufferPropertySetImpl_Destroy(pdsb->iks);
1188         pdsb->iks = NULL;
1189     }
1190
1191     if (pdsb->ds3db) {
1192         WARN("ds3db not NULL\n");
1193         IDirectSound3DBufferImpl_Destroy(pdsb->ds3db);
1194         pdsb->ds3db = NULL;
1195     }
1196
1197     if (pdsb->notify) {
1198         WARN("notify not NULL\n");
1199         IDirectSoundNotifyImpl_Destroy(pdsb->notify);
1200         pdsb->notify = NULL;
1201     }
1202
1203     if (pdsb->secondary) {
1204         WARN("dsb not NULL\n");
1205         SecondaryBufferImpl_Destroy(pdsb->secondary);
1206         pdsb->secondary = NULL;
1207     }
1208
1209     while (IDirectSoundBuffer8_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1210
1211     return S_OK;
1212 }
1213
1214 /*******************************************************************************
1215  *              SecondaryBuffer
1216  */
1217
1218 static HRESULT WINAPI SecondaryBufferImpl_QueryInterface(
1219         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj)
1220 {
1221         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1222         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
1223
1224         return IDirectSoundBufferImpl_QueryInterface((LPDIRECTSOUNDBUFFER8)This->dsb,riid,ppobj);
1225 }
1226
1227 static ULONG WINAPI SecondaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
1228 {
1229     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1230     ULONG ref = InterlockedIncrement(&(This->ref));
1231     TRACE("(%p) ref was %ld\n", This, ref - 1);
1232     return ref;
1233 }
1234
1235 static ULONG WINAPI SecondaryBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
1236 {
1237     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1238     ULONG ref = InterlockedDecrement(&(This->ref));
1239     TRACE("(%p) ref was %ld\n", This, ref + 1);
1240
1241     if (!ref) {
1242         This->dsb->secondary = NULL;
1243         IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER8)This->dsb);
1244         HeapFree(GetProcessHeap(), 0, This);
1245         TRACE("(%p) released\n", This);
1246     }
1247     return ref;
1248 }
1249
1250 static HRESULT WINAPI SecondaryBufferImpl_GetCaps(
1251         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps)
1252 {
1253         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1254         TRACE("(%p)->(%p)\n",This,caps);
1255
1256         return IDirectSoundBufferImpl_GetCaps((LPDIRECTSOUNDBUFFER8)This->dsb,caps);
1257 }
1258
1259 static HRESULT WINAPI SecondaryBufferImpl_GetCurrentPosition(
1260         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos)
1261 {
1262         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1263         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
1264
1265         return IDirectSoundBufferImpl_GetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,playpos,writepos);
1266 }
1267
1268 static HRESULT WINAPI SecondaryBufferImpl_GetFormat(
1269         LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX lpwf,DWORD wfsize,LPDWORD wfwritten)
1270 {
1271         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1272         TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
1273
1274         return IDirectSoundBufferImpl_GetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,lpwf,wfsize,wfwritten);
1275 }
1276
1277 static HRESULT WINAPI SecondaryBufferImpl_GetVolume(
1278         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol)
1279 {
1280         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1281         TRACE("(%p,%p)\n",This,vol);
1282
1283         return IDirectSoundBufferImpl_GetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1284 }
1285
1286 static HRESULT WINAPI SecondaryBufferImpl_GetPan(
1287         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan)
1288 {
1289         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1290         TRACE("(%p,%p)\n",This,pan);
1291
1292         return IDirectSoundBufferImpl_GetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1293 }
1294
1295 static HRESULT WINAPI SecondaryBufferImpl_GetFrequency(
1296         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq)
1297 {
1298         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1299         TRACE("(%p,%p)\n",This,freq);
1300
1301         return IDirectSoundBufferImpl_GetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1302 }
1303
1304 static HRESULT WINAPI SecondaryBufferImpl_GetStatus(
1305         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status)
1306 {
1307         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1308         TRACE("(%p,%p)\n",This,status);
1309
1310         return IDirectSoundBufferImpl_GetStatus((LPDIRECTSOUNDBUFFER8)This->dsb,status);
1311 }
1312
1313 static HRESULT WINAPI SecondaryBufferImpl_Initialize(
1314         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd)
1315 {
1316         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1317         TRACE("(%p,%p,%p)\n",This,dsound,dbsd);
1318
1319         return IDirectSoundBufferImpl_Initialize((LPDIRECTSOUNDBUFFER8)This->dsb,dsound,dbsd);
1320 }
1321
1322 static HRESULT WINAPI SecondaryBufferImpl_Lock(
1323     LPDIRECTSOUNDBUFFER8 iface,
1324     DWORD writecursor,
1325     DWORD writebytes,
1326     LPVOID lplpaudioptr1,
1327     LPDWORD audiobytes1,
1328     LPVOID lplpaudioptr2,
1329     LPDWORD audiobytes2,
1330     DWORD dwFlags)
1331 {
1332     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1333     TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx)\n",
1334         This,writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1335
1336     return IDirectSoundBufferImpl_Lock((LPDIRECTSOUNDBUFFER8)This->dsb,
1337         writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1338 }
1339
1340 static HRESULT WINAPI SecondaryBufferImpl_Play(
1341         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags)
1342 {
1343         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1344         TRACE("(%p,%08lx,%08lx,%08lx)\n",This,reserved1,reserved2,flags);
1345
1346         return IDirectSoundBufferImpl_Play((LPDIRECTSOUNDBUFFER8)This->dsb,reserved1,reserved2,flags);
1347 }
1348
1349 static HRESULT WINAPI SecondaryBufferImpl_SetCurrentPosition(
1350         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos)
1351 {
1352         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1353         TRACE("(%p,%ld)\n",This,newpos);
1354
1355         return IDirectSoundBufferImpl_SetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,newpos);
1356 }
1357
1358 static HRESULT WINAPI SecondaryBufferImpl_SetFormat(
1359         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex)
1360 {
1361         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1362         TRACE("(%p,%p)\n",This,wfex);
1363
1364         return IDirectSoundBufferImpl_SetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,wfex);
1365 }
1366
1367 static HRESULT WINAPI SecondaryBufferImpl_SetVolume(
1368         LPDIRECTSOUNDBUFFER8 iface,LONG vol)
1369 {
1370         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1371         TRACE("(%p,%ld)\n",This,vol);
1372
1373         return IDirectSoundBufferImpl_SetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1374 }
1375
1376 static HRESULT WINAPI SecondaryBufferImpl_SetPan(
1377         LPDIRECTSOUNDBUFFER8 iface,LONG pan)
1378 {
1379         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1380         TRACE("(%p,%ld)\n",This,pan);
1381
1382         return IDirectSoundBufferImpl_SetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1383 }
1384
1385 static HRESULT WINAPI SecondaryBufferImpl_SetFrequency(
1386         LPDIRECTSOUNDBUFFER8 iface,DWORD freq)
1387 {
1388         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1389         TRACE("(%p,%ld)\n",This,freq);
1390
1391         return IDirectSoundBufferImpl_SetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1392 }
1393
1394 static HRESULT WINAPI SecondaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
1395 {
1396         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1397         TRACE("(%p)\n",This);
1398
1399         return IDirectSoundBufferImpl_Stop((LPDIRECTSOUNDBUFFER8)This->dsb);
1400 }
1401
1402 static HRESULT WINAPI SecondaryBufferImpl_Unlock(
1403     LPDIRECTSOUNDBUFFER8 iface,
1404     LPVOID lpvAudioPtr1,
1405     DWORD dwAudioBytes1,
1406     LPVOID lpvAudioPtr2,
1407     DWORD dwAudioBytes2)
1408 {
1409     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1410     TRACE("(%p,%p,%ld,%p,%ld)\n",
1411         This, lpvAudioPtr1, dwAudioBytes1, lpvAudioPtr2, dwAudioBytes2);
1412
1413     return IDirectSoundBufferImpl_Unlock((LPDIRECTSOUNDBUFFER8)This->dsb,
1414         lpvAudioPtr1,dwAudioBytes1,lpvAudioPtr2,dwAudioBytes2);
1415 }
1416
1417 static HRESULT WINAPI SecondaryBufferImpl_Restore(
1418         LPDIRECTSOUNDBUFFER8 iface)
1419 {
1420         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1421         TRACE("(%p)\n",This);
1422
1423         return IDirectSoundBufferImpl_Restore((LPDIRECTSOUNDBUFFER8)This->dsb);
1424 }
1425
1426 static HRESULT WINAPI SecondaryBufferImpl_SetFX(
1427         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes)
1428 {
1429         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1430         TRACE("(%p,%lu,%p,%p)\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1431
1432         return IDirectSoundBufferImpl_SetFX((LPDIRECTSOUNDBUFFER8)This->dsb,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1433 }
1434
1435 static HRESULT WINAPI SecondaryBufferImpl_AcquireResources(
1436         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes)
1437 {
1438         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1439         TRACE("(%p,%08lu,%lu,%p)\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
1440
1441         return IDirectSoundBufferImpl_AcquireResources((LPDIRECTSOUNDBUFFER8)This->dsb,dwFlags,dwEffectsCount,pdwResultCodes);
1442 }
1443
1444 static HRESULT WINAPI SecondaryBufferImpl_GetObjectInPath(
1445         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject)
1446 {
1447         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1448         TRACE("(%p,%s,%lu,%s,%p)\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
1449
1450         return IDirectSoundBufferImpl_GetObjectInPath((LPDIRECTSOUNDBUFFER8)This->dsb,rguidObject,dwIndex,rguidInterface,ppObject);
1451 }
1452
1453 static const IDirectSoundBuffer8Vtbl sbvt =
1454 {
1455         SecondaryBufferImpl_QueryInterface,
1456         SecondaryBufferImpl_AddRef,
1457         SecondaryBufferImpl_Release,
1458         SecondaryBufferImpl_GetCaps,
1459         SecondaryBufferImpl_GetCurrentPosition,
1460         SecondaryBufferImpl_GetFormat,
1461         SecondaryBufferImpl_GetVolume,
1462         SecondaryBufferImpl_GetPan,
1463         SecondaryBufferImpl_GetFrequency,
1464         SecondaryBufferImpl_GetStatus,
1465         SecondaryBufferImpl_Initialize,
1466         SecondaryBufferImpl_Lock,
1467         SecondaryBufferImpl_Play,
1468         SecondaryBufferImpl_SetCurrentPosition,
1469         SecondaryBufferImpl_SetFormat,
1470         SecondaryBufferImpl_SetVolume,
1471         SecondaryBufferImpl_SetPan,
1472         SecondaryBufferImpl_SetFrequency,
1473         SecondaryBufferImpl_Stop,
1474         SecondaryBufferImpl_Unlock,
1475         SecondaryBufferImpl_Restore,
1476         SecondaryBufferImpl_SetFX,
1477         SecondaryBufferImpl_AcquireResources,
1478         SecondaryBufferImpl_GetObjectInPath
1479 };
1480
1481 HRESULT SecondaryBufferImpl_Create(
1482         IDirectSoundBufferImpl *dsb,
1483         SecondaryBufferImpl **psb)
1484 {
1485         SecondaryBufferImpl *sb;
1486         TRACE("(%p,%p)\n",dsb,psb);
1487
1488         sb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*sb));
1489
1490         if (sb == 0) {
1491                 WARN("out of memory\n");
1492                 *psb = NULL;
1493                 return DSERR_OUTOFMEMORY;
1494         }
1495         sb->ref = 0;
1496         sb->dsb = dsb;
1497         sb->lpVtbl = &sbvt;
1498
1499         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)dsb);
1500         *psb = sb;
1501         return S_OK;
1502 }
1503
1504 HRESULT SecondaryBufferImpl_Destroy(
1505     SecondaryBufferImpl *pdsb)
1506 {
1507     TRACE("(%p)\n",pdsb);
1508
1509     while (SecondaryBufferImpl_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1510
1511     return S_OK;
1512 }