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   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 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->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->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,
 398                               DWORD state, DWORD pplay, DWORD pwrite, DWORD pmix, DWORD bmix)
 399 {
 400         DWORD bplay;
 401
 402         TRACE("primary playpos=%ld, mixpos=%ld\n", pplay, pmix);
 403         TRACE("this mixpos=%ld, time=%ld\n", bmix, GetTickCount());
 404
 405         /* the actual primary play position (pplay) is always behind last mixed (pmix),
 406          * unless the computer is too slow or something */
 407         /* we need to know how far away we are from there */
 408 #if 0 /* we'll never fill the primary entirely */
 409         if (pmix == pplay) {
 410                 if ((state == STATE_PLAYING) || (state == STATE_STOPPING)) {
 411                         /* wow, the software mixer is really doing well,
 412                          * seems the entire primary buffer is filled! */
 413                         pmix += This->dsound->buflen;
 414                 }
 415                 /* else: the primary buffer is not playing, so probably empty */
 416         }
 417 #endif
 418         if (pmix < pplay) pmix += This->dsound->buflen; /* wraparound */
 419         pmix -= pplay;
 420         /* detect buffer underrun */
 421         if (pwrite < pplay) pwrite += This->dsound->buflen; /* wraparound */
 422         pwrite -= pplay;
 423         if (pmix > (ds_snd_queue_max * This->dsound->fraglen + pwrite + This->dsound->writelead)) {
 424                 WARN("detected an underrun: primary queue was %ld\n",pmix);
 425                 pmix = 0;
 426         }
 427         /* divide the offset by its sample size */
 428         pmix /= This->dsound->pwfx->nBlockAlign;
 429         TRACE("primary back-samples=%ld\n",pmix);
 430         /* adjust for our frequency */
 431         pmix = (pmix * This->freqAdjust) >> DSOUND_FREQSHIFT;
 432         /* multiply by our own sample size */
 433         pmix *= This->pwfx->nBlockAlign;
 434         TRACE("this back-offset=%ld\n", pmix);
 435         /* subtract from our last mixed position */
 436         bplay = bmix;
 437         while (bplay < pmix) bplay += This->buflen; /* wraparound */
 438         bplay -= pmix;
 439         if (This->leadin && ((bplay < This->startpos) || (bplay > bmix))) {
 440                 /* seems we haven't started playing yet */
 441                 TRACE("this still in lead-in phase\n");
 442                 bplay = This->startpos;
 443         }
 444         /* return the result */
 445         return bplay;
 446 }
 447
 448 static HRESULT WINAPI IDirectSoundBufferImpl_GetCurrentPosition(
 449         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos
 450 ) {
 451         HRESULT hres;
 452         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 453         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
 454         if (This->hwbuf) {
 455                 hres=IDsDriverBuffer_GetPosition(This->hwbuf,playpos,writepos);
 456                 if (hres != DS_OK) {
 457                     WARN("IDsDriverBuffer_GetPosition failed\n");
 458                     return hres;
 459                 }
 460         } else {
 461                 if (playpos && (This->state != STATE_PLAYING)) {
 462                         /* we haven't been merged into the primary buffer (yet) */
 463                         *playpos = This->buf_mixpos;
 464                 } else if (playpos) {
 465                         DWORD pplay, pwrite, lplay, splay, pstate;
 466                         /* let's get this exact; first, recursively call GetPosition on the primary */
 467                         EnterCriticalSection(&(This->dsound->mixlock));
 468                         if (DSOUND_PrimaryGetPosition(This->dsound, &pplay, &pwrite) != DS_OK)
 469                                 WARN("DSOUND_PrimaryGetPosition failed\n");
 470                         /* detect HEL mode underrun */
 471                         pstate = This->dsound->state;
 472                         if (!(This->dsound->hwbuf || This->dsound->pwqueue)) {
 473                                 TRACE("detected an underrun\n");
 474                                 /* pplay = ? */
 475                                 if (pstate == STATE_PLAYING)
 476                                         pstate = STATE_STARTING;
 477                                 else if (pstate == STATE_STOPPING)
 478                                         pstate = STATE_STOPPED;
 479                         }
 480                         /* get data for ourselves while we still have the lock */
 481                         pstate &= This->state;
 482                         lplay = This->primary_mixpos;
 483                         splay = This->buf_mixpos;
 484                         if ((This->dsbd.dwFlags & DSBCAPS_GETCURRENTPOSITION2) || This->dsound->hwbuf) {
 485                                 /* calculate play position using this */
 486                                 *playpos = DSOUND_CalcPlayPosition(This, pstate, pplay, pwrite, lplay, splay);
 487                         } else {
 488                                 /* (unless the app isn't using GETCURRENTPOSITION2) */
 489                                 /* don't know exactly how this should be handled...
 490                                  * the docs says that play cursor is reported as directly
 491                                  * behind write cursor, hmm... */
 492                                 /* let's just do what might work for Half-Life */
 493                                 DWORD wp;
 494                                 wp = (This->dsound->pwplay + ds_hel_margin) * This->dsound->fraglen;
 495                                 wp %= This->dsound->buflen;
 496                                 *playpos = DSOUND_CalcPlayPosition(This, pstate, wp, pwrite, lplay, splay);
 497                         }
 498                         LeaveCriticalSection(&(This->dsound->mixlock));
 499                 }
 500                 if (writepos)
 501                     *writepos = This->buf_mixpos;
 502         }
 503         if (writepos) {
 504                 if (This->state != STATE_STOPPED) {
 505                         /* apply the documented 10ms lead to writepos */
 506                         *writepos += This->writelead;
 507                 }
 508                 *writepos %= This->buflen;
 509         }
 510         if (playpos)
 511             This->last_playpos = *playpos;
 512         TRACE("playpos = %ld, writepos = %ld (%p, time=%ld)\n", playpos?*playpos:0, writepos?*writepos:0, This, GetTickCount());
 513         return DS_OK;
 514 }
 515
 516 static HRESULT WINAPI IDirectSoundBufferImpl_GetStatus(
 517         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status
 518 ) {
 519         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 520         TRACE("(%p,%p), thread is %04lx\n",This,status,GetCurrentThreadId());
 521
 522         if (status == NULL) {
 523                 WARN("invalid parameter: status = NULL\n");
 524                 return DSERR_INVALIDPARAM;
 525         }
 526
 527         *status = 0;
 528         if ((This->state == STATE_STARTING) || (This->state == STATE_PLAYING)) {
 529                 *status |= DSBSTATUS_PLAYING;
 530                 if (This->playflags & DSBPLAY_LOOPING)
 531                         *status |= DSBSTATUS_LOOPING;
 532         }
 533
 534         TRACE("status=%lx\n", *status);
 535         return DS_OK;
 536 }
 537
 538
 539 static HRESULT WINAPI IDirectSoundBufferImpl_GetFormat(
 540     LPDIRECTSOUNDBUFFER8 iface,
 541     LPWAVEFORMATEX lpwf,
 542     DWORD wfsize,
 543     LPDWORD wfwritten)
 544 {
 545     DWORD size;
 546     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 547     TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
 548
 549     size = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
 550
 551     if (lpwf) { /* NULL is valid */
 552         if (wfsize >= size) {
 553             CopyMemory(lpwf,This->pwfx,size);
 554             if (wfwritten)
 555                 *wfwritten = size;
 556         } else {
 557             WARN("invalid parameter: wfsize to small\n");
 558             if (wfwritten)
 559                 *wfwritten = 0;
 560             return DSERR_INVALIDPARAM;
 561         }
 562     } else {
 563         if (wfwritten)
 564             *wfwritten = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
 565         else {
 566             WARN("invalid parameter: wfwritten == NULL\n");
 567             return DSERR_INVALIDPARAM;
 568         }
 569     }
 570
 571     return DS_OK;
 572 }
 573
 574 static HRESULT WINAPI IDirectSoundBufferImpl_Lock(
 575         LPDIRECTSOUNDBUFFER8 iface,DWORD writecursor,DWORD writebytes,LPVOID lplpaudioptr1,LPDWORD audiobytes1,LPVOID lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 576 ) {
 577         HRESULT hres = DS_OK;
 578         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 579
 580         TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx) at %ld\n",
 581                 This,
 582                 writecursor,
 583                 writebytes,
 584                 lplpaudioptr1,
 585                 audiobytes1,
 586                 lplpaudioptr2,
 587                 audiobytes2,
 588                 flags,
 589                 GetTickCount()
 590         );
 591
 592         if (flags & DSBLOCK_FROMWRITECURSOR) {
 593                 DWORD writepos;
 594                 /* GetCurrentPosition does too much magic to duplicate here */
 595                 hres = IDirectSoundBufferImpl_GetCurrentPosition(iface, NULL, &writepos);
 596                 if (hres != DS_OK) {
 597                         WARN("IDirectSoundBufferImpl_GetCurrentPosition failed\n");
 598                         return hres;
 599                 }
 600                 writecursor += writepos;
 601         }
 602         writecursor %= This->buflen;
 603         if (flags & DSBLOCK_ENTIREBUFFER)
 604                 writebytes = This->buflen;
 605         if (writebytes > This->buflen)
 606                 writebytes = This->buflen;
 607
 608         EnterCriticalSection(&(This->lock));
 609
 610         if ((writebytes == This->buflen) &&
 611             ((This->state == STATE_STARTING) ||
 612              (This->state == STATE_PLAYING)))
 613                 /* some games, like Half-Life, try to be clever (not) and
 614                  * keep one secondary buffer, and mix sounds into it itself,
 615                  * locking the entire buffer every time... so we can just forget
 616                  * about tracking the last-written-to-position... */
 617                 This->probably_valid_to = (DWORD)-1;
 618         else
 619                 This->probably_valid_to = writecursor;
 620
 621         if (!(This->dsound->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 622                 hres = IDsDriverBuffer_Lock(This->hwbuf,
 623                                      lplpaudioptr1, audiobytes1,
 624                                      lplpaudioptr2, audiobytes2,
 625                                      writecursor, writebytes,
 626                                      0);
 627                 if (hres != DS_OK) {
 628                         WARN("IDsDriverBuffer_Lock failed\n");
 629                         LeaveCriticalSection(&(This->lock));
 630                         return hres;
 631                 }
 632         } else {
 633                 BOOL remix = FALSE;
 634                 if (writecursor+writebytes <= This->buflen) {
 635                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 636                         *audiobytes1 = writebytes;
 637                         if (lplpaudioptr2)
 638                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 639                         if (audiobytes2)
 640                                 *audiobytes2 = 0;
 641                         TRACE("->%ld.0\n",writebytes);
 642                 } else {
 643                         *(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
 644                         *audiobytes1 = This->buflen-writecursor;
 645                         if (lplpaudioptr2)
 646                                 *(LPBYTE*)lplpaudioptr2 = This->buffer->memory;
 647                         if (audiobytes2)
 648                                 *audiobytes2 = writebytes-(This->buflen-writecursor);
 649                         TRACE("->%ld.%ld\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 650                 }
 651                 if (This->state == STATE_PLAYING) {
 652                         /* if the segment between playpos and buf_mixpos is touched,
 653                          * we need to cancel some mixing */
 654                         /* we'll assume that the app always calls GetCurrentPosition before
 655                          * locking a playing buffer, so that last_playpos is up-to-date */
 656                         if (This->buf_mixpos >= This->last_playpos) {
 657                                 if (This->buf_mixpos > writecursor &&
 658                                     This->last_playpos < writecursor+writebytes)
 659                                         remix = TRUE;
 660                         } else {
 661                                 if (This->buf_mixpos > writecursor ||
 662                                     This->last_playpos < writecursor+writebytes)
 663                                         remix = TRUE;
 664                         }
 665                         if (remix) {
 666                                 TRACE("locking prebuffered region, ouch\n");
 667                                 DSOUND_MixCancelAt(This, writecursor);
 668                         }
 669                 }
 670         }
 671
 672         LeaveCriticalSection(&(This->lock));
 673         return DS_OK;
 674 }
 675
 676 static HRESULT WINAPI IDirectSoundBufferImpl_SetCurrentPosition(
 677         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos
 678 ) {
 679         HRESULT hres = DS_OK;
 680         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 681         TRACE("(%p,%ld)\n",This,newpos);
 682
 683         /* **** */
 684         EnterCriticalSection(&(This->lock));
 685
 686         newpos %= This->buflen;
 687         This->buf_mixpos = newpos;
 688         if (This->hwbuf) {
 689                 hres = IDsDriverBuffer_SetPosition(This->hwbuf, This->buf_mixpos);
 690                 if (hres != DS_OK)
 691                         WARN("IDsDriverBuffer_SetPosition failed\n");
 692         }
 693
 694         LeaveCriticalSection(&(This->lock));
 695         /* **** */
 696
 697         return hres;
 698 }
 699
 700 static HRESULT WINAPI IDirectSoundBufferImpl_SetPan(
 701         LPDIRECTSOUNDBUFFER8 iface,LONG pan
 702 ) {
 703         HRESULT hres = DS_OK;
 704         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 705
 706         TRACE("(%p,%ld)\n",This,pan);
 707
 708         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 709                 WARN("invalid parameter: pan = %ld\n", pan);
 710                 return DSERR_INVALIDPARAM;
 711         }
 712
 713         /* You cannot use both pan and 3D controls */
 714         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN) ||
 715             (This->dsbd.dwFlags & DSBCAPS_CTRL3D)) {
 716                 WARN("control unavailable\n");
 717                 return DSERR_CONTROLUNAVAIL;
 718         }
 719
 720         /* **** */
 721         EnterCriticalSection(&(This->lock));
 722
 723         if (This->volpan.lPan != pan) {
 724                 This->volpan.lPan = pan;
 725                 DSOUND_RecalcVolPan(&(This->volpan));
 726
 727                 if (This->hwbuf) {
 728                         hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
 729                         if (hres != DS_OK)
 730                                 WARN("IDsDriverBuffer_SetVolumePan failed\n");
 731                 } else
 732                         DSOUND_ForceRemix(This);
 733         }
 734
 735         LeaveCriticalSection(&(This->lock));
 736         /* **** */
 737
 738         return hres;
 739 }
 740
 741 static HRESULT WINAPI IDirectSoundBufferImpl_GetPan(
 742         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan
 743 ) {
 744         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 745         TRACE("(%p,%p)\n",This,pan);
 746
 747         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 748                 WARN("control unavailable\n");
 749                 return DSERR_CONTROLUNAVAIL;
 750         }
 751
 752         if (pan == NULL) {
 753                 WARN("invalid parameter: pan = NULL\n");
 754                 return DSERR_INVALIDPARAM;
 755         }
 756
 757         *pan = This->volpan.lPan;
 758
 759         return DS_OK;
 760 }
 761
 762 static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
 763         LPDIRECTSOUNDBUFFER8 iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 764 ) {
 765         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 766         DWORD probably_valid_to;
 767         HRESULT hres = DS_OK;
 768
 769         TRACE("(%p,%p,%ld,%p,%ld)\n", This,p1,x1,p2,x2);
 770
 771         /* **** */
 772         EnterCriticalSection(&(This->lock));
 773
 774         if (!(This->dsound->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
 775                 hres = IDsDriverBuffer_Unlock(This->hwbuf, p1, x1, p2, x2);
 776                 if (hres != DS_OK)
 777                         WARN("IDsDriverBuffer_Unlock failed\n");
 778         }
 779
 780         if (hres == DS_OK) {
 781                 if (p2) probably_valid_to = (((LPBYTE)p2)-This->buffer->memory) + x2;
 782                 else probably_valid_to = (((LPBYTE)p1)-This->buffer->memory) + x1;
 783                 probably_valid_to %= This->buflen;
 784                 if ((probably_valid_to == 0) && ((x1+x2) == This->buflen) &&
 785                     ((This->state == STATE_STARTING) ||
 786                      (This->state == STATE_PLAYING)))
 787                         /* see IDirectSoundBufferImpl_Lock */
 788                         probably_valid_to = (DWORD)-1;
 789                 This->probably_valid_to = probably_valid_to;
 790         }
 791
 792         LeaveCriticalSection(&(This->lock));
 793         /* **** */
 794
 795         TRACE("probably_valid_to=%ld\n", This->probably_valid_to);
 796         return hres;
 797 }
 798
 799 static HRESULT WINAPI IDirectSoundBufferImpl_Restore(
 800         LPDIRECTSOUNDBUFFER8 iface
 801 ) {
 802         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 803         FIXME("(%p):stub\n",This);
 804         return DS_OK;
 805 }
 806
 807 static HRESULT WINAPI IDirectSoundBufferImpl_GetFrequency(
 808         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq
 809 ) {
 810         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 811         TRACE("(%p,%p)\n",This,freq);
 812
 813         if (freq == NULL) {
 814                 WARN("invalid parameter: freq = NULL\n");
 815                 return DSERR_INVALIDPARAM;
 816         }
 817
 818         *freq = This->freq;
 819         TRACE("-> %ld\n", *freq);
 820
 821         return DS_OK;
 822 }
 823
 824 static HRESULT WINAPI IDirectSoundBufferImpl_SetFX(
 825         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes
 826 ) {
 827         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 828         DWORD u;
 829
 830         FIXME("(%p,%lu,%p,%p): stub\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
 831
 832         if (pdwResultCodes)
 833                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 834
 835         WARN("control unavailable\n");
 836         return DSERR_CONTROLUNAVAIL;
 837 }
 838
 839 static HRESULT WINAPI IDirectSoundBufferImpl_AcquireResources(
 840         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes
 841 ) {
 842         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 843         DWORD u;
 844
 845         FIXME("(%p,%08lu,%lu,%p): stub\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
 846
 847         if (pdwResultCodes)
 848                 for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
 849
 850         WARN("control unavailable\n");
 851         return DSERR_CONTROLUNAVAIL;
 852 }
 853
 854 static HRESULT WINAPI IDirectSoundBufferImpl_GetObjectInPath(
 855         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject
 856 ) {
 857         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 858
 859         FIXME("(%p,%s,%lu,%s,%p): stub\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
 860
 861         WARN("control unavailable\n");
 862         return DSERR_CONTROLUNAVAIL;
 863 }
 864
 865 static HRESULT WINAPI IDirectSoundBufferImpl_Initialize(
 866         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
 867 ) {
 868         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 869         FIXME("(%p,%p,%p):stub\n",This,dsound,dbsd);
 870         DPRINTF("Re-Init!!!\n");
 871         WARN("already initialized\n");
 872         return DSERR_ALREADYINITIALIZED;
 873 }
 874
 875 static HRESULT WINAPI IDirectSoundBufferImpl_GetCaps(
 876         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps
 877 ) {
 878         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 879         TRACE("(%p)->(%p)\n",This,caps);
 880
 881         if (caps == NULL) {
 882                 WARN("invalid parameter: caps == NULL\n");
 883                 return DSERR_INVALIDPARAM;
 884         }
 885
 886         if (caps->dwSize < sizeof(*caps)) {
 887                 WARN("invalid parameter: caps->dwSize = %ld < %d\n",caps->dwSize, sizeof(*caps));
 888                 return DSERR_INVALIDPARAM;
 889         }
 890
 891         caps->dwFlags = This->dsbd.dwFlags;
 892         if (This->hwbuf) caps->dwFlags |= DSBCAPS_LOCHARDWARE;
 893         else caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
 894
 895         caps->dwBufferBytes = This->buflen;
 896
 897         /* This value represents the speed of the "unlock" command.
 898            As unlock is quite fast (it does not do anything), I put
 899            4096 ko/s = 4 Mo / s */
 900         /* FIXME: hwbuf speed */
 901         caps->dwUnlockTransferRate = 4096;
 902         caps->dwPlayCpuOverhead = 0;
 903
 904         return DS_OK;
 905 }
 906
 907 static HRESULT WINAPI IDirectSoundBufferImpl_QueryInterface(
 908         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj
 909 ) {
 910         IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 911
 912         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 913
 914         if (ppobj == NULL) {
 915                 WARN("invalid parameter\n");
 916                 return E_INVALIDARG;
 917         }
 918
 919         *ppobj = NULL;  /* assume failure */
 920
 921         if ( IsEqualGUID(riid, &IID_IUnknown) ||
 922              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ||
 923              IsEqualGUID(riid, &IID_IDirectSoundBuffer8) ) {
 924                 if (!This->dsb)
 925                         SecondaryBufferImpl_Create(This, &(This->dsb));
 926                 if (This->dsb) {
 927                         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)This->dsb);
 928                         *ppobj = This->dsb;
 929                         return S_OK;
 930                 }
 931                 WARN("IID_IDirectSoundBuffer\n");
 932                 return E_NOINTERFACE;
 933         }
 934
 935         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
 936                 if (!This->notify)
 937                         IDirectSoundNotifyImpl_Create(This, &(This->notify));
 938                 if (This->notify) {
 939                         IDirectSoundNotify_AddRef((LPDIRECTSOUNDNOTIFY)This->notify);
 940                         *ppobj = This->notify;
 941                         return S_OK;
 942                 }
 943                 WARN("IID_IDirectSoundNotify\n");
 944                 return E_NOINTERFACE;
 945         }
 946
 947         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
 948                 if (!This->ds3db)
 949                         IDirectSound3DBufferImpl_Create(This, &(This->ds3db));
 950                 if (This->ds3db) {
 951                         IDirectSound3DBuffer_AddRef((LPDIRECTSOUND3DBUFFER)This->ds3db);
 952                         *ppobj = This->ds3db;
 953                         return S_OK;
 954                 }
 955                 WARN("IID_IDirectSound3DBuffer\n");
 956                 return E_NOINTERFACE;
 957         }
 958
 959         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
 960                 ERR("app requested IDirectSound3DListener on secondary buffer\n");
 961                 return E_NOINTERFACE;
 962         }
 963
 964         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
 965                 if (!This->iks)
 966                         IKsBufferPropertySetImpl_Create(This, &(This->iks));
 967                 if (This->iks) {
 968                         IKsPropertySet_AddRef((LPKSPROPERTYSET)This->iks);
 969                         *ppobj = This->iks;
 970                         return S_OK;
 971                 }
 972                 WARN("IID_IKsPropertySet\n");
 973                 return E_NOINTERFACE;
 974         }
 975
 976         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
 977
 978         return E_NOINTERFACE;
 979 }
 980
 981 static IDirectSoundBuffer8Vtbl dsbvt =
 982 {
 983         IDirectSoundBufferImpl_QueryInterface,
 984         IDirectSoundBufferImpl_AddRef,
 985         IDirectSoundBufferImpl_Release,
 986         IDirectSoundBufferImpl_GetCaps,
 987         IDirectSoundBufferImpl_GetCurrentPosition,
 988         IDirectSoundBufferImpl_GetFormat,
 989         IDirectSoundBufferImpl_GetVolume,
 990         IDirectSoundBufferImpl_GetPan,
 991         IDirectSoundBufferImpl_GetFrequency,
 992         IDirectSoundBufferImpl_GetStatus,
 993         IDirectSoundBufferImpl_Initialize,
 994         IDirectSoundBufferImpl_Lock,
 995         IDirectSoundBufferImpl_Play,
 996         IDirectSoundBufferImpl_SetCurrentPosition,
 997         IDirectSoundBufferImpl_SetFormat,
 998         IDirectSoundBufferImpl_SetVolume,
 999         IDirectSoundBufferImpl_SetPan,
1000         IDirectSoundBufferImpl_SetFrequency,
1001         IDirectSoundBufferImpl_Stop,
1002         IDirectSoundBufferImpl_Unlock,
1003         IDirectSoundBufferImpl_Restore,
1004         IDirectSoundBufferImpl_SetFX,
1005         IDirectSoundBufferImpl_AcquireResources,
1006         IDirectSoundBufferImpl_GetObjectInPath
1007 };
1008
1009 HRESULT WINAPI IDirectSoundBufferImpl_Create(
1010         IDirectSoundImpl *ds,
1011         IDirectSoundBufferImpl **pdsb,
1012         LPCDSBUFFERDESC dsbd)
1013 {
1014         IDirectSoundBufferImpl *dsb;
1015         LPWAVEFORMATEX wfex = dsbd->lpwfxFormat;
1016         HRESULT err = DS_OK;
1017         DWORD capf = 0;
1018         int use_hw, alloc_size, cp_size;
1019         TRACE("(%p,%p,%p)\n",ds,pdsb,dsbd);
1020
1021         if (dsbd->dwBufferBytes < DSBSIZE_MIN || dsbd->dwBufferBytes > DSBSIZE_MAX) {
1022                 WARN("invalid parameter: dsbd->dwBufferBytes = %ld\n", dsbd->dwBufferBytes);
1023                 *pdsb = NULL;
1024                 return DSERR_INVALIDPARAM; /* FIXME: which error? */
1025         }
1026
1027         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1028
1029         if (dsb == 0) {
1030                 WARN("out of memory\n");
1031                 *pdsb = NULL;
1032                 return DSERR_OUTOFMEMORY;
1033         }
1034
1035         TRACE("Created buffer at %p\n", dsb);
1036
1037         dsb->ref = 0;
1038         dsb->dsb = 0;
1039         dsb->dsound = ds;
1040         dsb->lpVtbl = &dsbvt;
1041         dsb->iks = NULL;
1042
1043         /* size depends on version */
1044         CopyMemory(&dsb->dsbd, dsbd, dsbd->dwSize);
1045
1046         /* variable sized struct so calculate size based on format */
1047         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
1048                 alloc_size = sizeof(WAVEFORMATEX);
1049                 cp_size = sizeof(PCMWAVEFORMAT);
1050         } else
1051                 alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
1052
1053         dsb->pwfx = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,alloc_size);
1054         if (dsb->pwfx == NULL) {
1055                 WARN("out of memory\n");
1056                 HeapFree(GetProcessHeap(),0,dsb);
1057                 *pdsb = NULL;
1058                 return DSERR_OUTOFMEMORY;
1059         }
1060
1061         CopyMemory(dsb->pwfx, wfex, cp_size);
1062
1063         if (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign)
1064                 dsb->buflen = dsbd->dwBufferBytes +
1065                         (dsbd->lpwfxFormat->nBlockAlign -
1066                         (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign));
1067         else
1068                 dsb->buflen = dsbd->dwBufferBytes;
1069
1070         dsb->freq = dsbd->lpwfxFormat->nSamplesPerSec;
1071         dsb->notify = NULL;
1072         dsb->notifies = NULL;
1073         dsb->nrofnotifies = 0;
1074         dsb->hwnotify = 0;
1075
1076         /* Check necessary hardware mixing capabilities */
1077         if (wfex->nChannels==2) capf |= DSCAPS_SECONDARYSTEREO;
1078         else capf |= DSCAPS_SECONDARYMONO;
1079         if (wfex->wBitsPerSample==16) capf |= DSCAPS_SECONDARY16BIT;
1080         else capf |= DSCAPS_SECONDARY8BIT;
1081
1082         use_hw = (ds->drvcaps.dwFlags & capf) == capf;
1083         TRACE("use_hw = 0x%08x, capf = 0x%08lx, ds->drvcaps.dwFlags = 0x%08lx\n", use_hw, capf, ds->drvcaps.dwFlags);
1084
1085         /* FIXME: check hardware sample rate mixing capabilities */
1086         /* FIXME: check app hints for software/hardware buffer (STATIC, LOCHARDWARE, etc) */
1087         /* FIXME: check whether any hardware buffers are left */
1088         /* FIXME: handle DSDHEAP_CREATEHEAP for hardware buffers */
1089
1090         /* Allocate an empty buffer */
1091         dsb->buffer = HeapAlloc(GetProcessHeap(),0,sizeof(*(dsb->buffer)));
1092         if (dsb->buffer == NULL) {
1093                 WARN("out of memory\n");
1094                 HeapFree(GetProcessHeap(),0,dsb->pwfx);
1095                 HeapFree(GetProcessHeap(),0,dsb);
1096                 *pdsb = NULL;
1097                 return DSERR_OUTOFMEMORY;
1098         }
1099
1100         /* Allocate system memory for buffer if applicable */
1101         if ((ds->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) || !use_hw) {
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->pwfx);
1106                         HeapFree(GetProcessHeap(),0,dsb->buffer);
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
1115         /* Allocate the hardware buffer */
1116         if (use_hw) {
1117                 err = IDsDriver_CreateSoundBuffer(ds->driver,wfex,dsbd->dwFlags,0,
1118                                                   &(dsb->buflen),&(dsb->buffer->memory),
1119                                                   (LPVOID*)&(dsb->hwbuf));
1120                 /* fall back to software buffer on failure */
1121                 if (err != DS_OK) {
1122                         TRACE("IDsDriver_CreateSoundBuffer failed, falling back to software buffer\n");
1123                         use_hw = 0;
1124                         if (ds->drvdesc.dwFlags & DSDDESC_USESYSTEMMEMORY) {
1125                                 dsb->buffer->memory = HeapAlloc(GetProcessHeap(),0,dsb->buflen);
1126                                 if (dsb->buffer->memory == NULL) {
1127                                         WARN("out of memory\n");
1128                                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1129                                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1130                                         HeapFree(GetProcessHeap(),0,dsb);
1131                                         *pdsb = NULL;
1132                                         return DSERR_OUTOFMEMORY;
1133                                 }
1134                                 dsb->buffer->ref = 1;
1135                                 FillMemory(dsb->buffer->memory, dsb->buflen, dsbd->lpwfxFormat->wBitsPerSample == 8 ? 128 : 0);
1136                         }
1137                         err = DS_OK;
1138                 }
1139         }
1140
1141         /* calculate fragment size and write lead */
1142         DSOUND_RecalcFormat(dsb);
1143
1144         /* It's not necessary to initialize values to zero since */
1145         /* we allocated this structure with HEAP_ZERO_MEMORY... */
1146         dsb->playpos = 0;
1147         dsb->buf_mixpos = 0;
1148         dsb->state = STATE_STOPPED;
1149
1150         dsb->freqAdjust = (dsb->freq << DSOUND_FREQSHIFT) /
1151                 ds->pwfx->nSamplesPerSec;
1152         dsb->nAvgBytesPerSec = dsb->freq *
1153                 dsbd->lpwfxFormat->nBlockAlign;
1154
1155         if (dsb->dsbd.dwFlags & DSBCAPS_CTRL3D) {
1156                 dsb->ds3db_ds3db.dwSize = sizeof(DS3DBUFFER);
1157                 dsb->ds3db_ds3db.vPosition.x = 0.0;
1158                 dsb->ds3db_ds3db.vPosition.y = 0.0;
1159                 dsb->ds3db_ds3db.vPosition.z = 0.0;
1160                 dsb->ds3db_ds3db.vVelocity.x = 0.0;
1161                 dsb->ds3db_ds3db.vVelocity.y = 0.0;
1162                 dsb->ds3db_ds3db.vVelocity.z = 0.0;
1163                 dsb->ds3db_ds3db.dwInsideConeAngle = DS3D_DEFAULTCONEANGLE;
1164                 dsb->ds3db_ds3db.dwOutsideConeAngle = DS3D_DEFAULTCONEANGLE;
1165                 dsb->ds3db_ds3db.vConeOrientation.x = 0.0;
1166                 dsb->ds3db_ds3db.vConeOrientation.y = 0.0;
1167                 dsb->ds3db_ds3db.vConeOrientation.z = 0.0;
1168                 dsb->ds3db_ds3db.lConeOutsideVolume = DS3D_DEFAULTCONEOUTSIDEVOLUME;
1169                 dsb->ds3db_ds3db.flMinDistance = DS3D_DEFAULTMINDISTANCE;
1170                 dsb->ds3db_ds3db.flMaxDistance = DS3D_DEFAULTMAXDISTANCE;
1171                 dsb->ds3db_ds3db.dwMode = DS3DMODE_NORMAL;
1172
1173                 dsb->ds3db_need_recalc = FALSE;
1174                 DSOUND_Calc3DBuffer(dsb);
1175         } else
1176                 DSOUND_RecalcVolPan(&(dsb->volpan));
1177
1178         InitializeCriticalSection(&(dsb->lock));
1179         dsb->lock.DebugInfo->Spare[1] = (DWORD)"DSOUNDBUFFER_lock";
1180
1181         /* register buffer if not primary */
1182         if (!(dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER)) {
1183                 err = DSOUND_AddBuffer(ds, dsb);
1184                 if (err != DS_OK) {
1185                         HeapFree(GetProcessHeap(),0,dsb->buffer->memory);
1186                         HeapFree(GetProcessHeap(),0,dsb->buffer);
1187                         dsb->lock.DebugInfo->Spare[1] = 0;
1188                         DeleteCriticalSection(&(dsb->lock));
1189                         HeapFree(GetProcessHeap(),0,dsb->pwfx);
1190                         HeapFree(GetProcessHeap(),0,dsb);
1191                         dsb = NULL;
1192                 }
1193         }
1194
1195         *pdsb = dsb;
1196         return err;
1197 }
1198
1199 HRESULT WINAPI IDirectSoundBufferImpl_Destroy(
1200     IDirectSoundBufferImpl *pdsb)
1201 {
1202     TRACE("(%p)\n",pdsb);
1203
1204     /* This keeps the *_Destroy functions from possibly deleting
1205      * this object until it is ready to be deleted */
1206     IDirectSoundBufferImpl_AddRef((LPDIRECTSOUNDBUFFER8)pdsb);
1207
1208     if (pdsb->iks) {
1209         WARN("iks not NULL\n");
1210         IKsBufferPropertySetImpl_Destroy(pdsb->iks);
1211         pdsb->iks = NULL;
1212     }
1213
1214     if (pdsb->ds3db) {
1215         WARN("ds3db not NULL\n");
1216         IDirectSound3DBufferImpl_Destroy(pdsb->ds3db);
1217         pdsb->ds3db = NULL;
1218     }
1219
1220     if (pdsb->notify) {
1221         WARN("notify not NULL\n");
1222         IDirectSoundNotifyImpl_Destroy(pdsb->notify);
1223         pdsb->notify = NULL;
1224     }
1225
1226     if (pdsb->dsb) {
1227         WARN("dsb not NULL\n");
1228         SecondaryBufferImpl_Destroy(pdsb->dsb);
1229         pdsb->dsb = NULL;
1230     }
1231
1232     while (IDirectSoundBuffer8_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1233
1234     return S_OK;
1235 }
1236
1237 /*******************************************************************************
1238  *              SecondaryBuffer
1239  */
1240
1241 static HRESULT WINAPI SecondaryBufferImpl_QueryInterface(
1242         LPDIRECTSOUNDBUFFER8 iface,REFIID riid,LPVOID *ppobj)
1243 {
1244         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1245         TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
1246
1247         return IDirectSoundBufferImpl_QueryInterface((LPDIRECTSOUNDBUFFER8)This->dsb,riid,ppobj);
1248 }
1249
1250 static ULONG WINAPI SecondaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER8 iface)
1251 {
1252     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
1253     ULONG ref = InterlockedIncrement(&(This->ref));
1254     TRACE("(%p) ref was %ld\n", This, ref - 1);
1255     return ref;
1256 }
1257
1258 static ULONG WINAPI SecondaryBufferImpl_Release(LPDIRECTSOUNDBUFFER8 iface)
1259 {
1260     IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
1261     ULONG ref = InterlockedDecrement(&(This->ref));
1262     TRACE("(%p) ref was %ld\n", This, ref + 1);
1263
1264     if (!ref) {
1265         This->dsb->dsb = NULL;
1266         IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER8)This->dsb);
1267         HeapFree(GetProcessHeap(), 0, This);
1268         TRACE("(%p) released\n", This);
1269     }
1270     return ref;
1271 }
1272
1273 static HRESULT WINAPI SecondaryBufferImpl_GetCaps(
1274         LPDIRECTSOUNDBUFFER8 iface,LPDSBCAPS caps)
1275 {
1276         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1277         TRACE("(%p)->(%p)\n",This,caps);
1278
1279         return IDirectSoundBufferImpl_GetCaps((LPDIRECTSOUNDBUFFER8)This->dsb,caps);
1280 }
1281
1282 static HRESULT WINAPI SecondaryBufferImpl_GetCurrentPosition(
1283         LPDIRECTSOUNDBUFFER8 iface,LPDWORD playpos,LPDWORD writepos)
1284 {
1285         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1286         TRACE("(%p,%p,%p)\n",This,playpos,writepos);
1287
1288         return IDirectSoundBufferImpl_GetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,playpos,writepos);
1289 }
1290
1291 static HRESULT WINAPI SecondaryBufferImpl_GetFormat(
1292         LPDIRECTSOUNDBUFFER8 iface,LPWAVEFORMATEX lpwf,DWORD wfsize,LPDWORD wfwritten)
1293 {
1294         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1295         TRACE("(%p,%p,%ld,%p)\n",This,lpwf,wfsize,wfwritten);
1296
1297         return IDirectSoundBufferImpl_GetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,lpwf,wfsize,wfwritten);
1298 }
1299
1300 static HRESULT WINAPI SecondaryBufferImpl_GetVolume(
1301         LPDIRECTSOUNDBUFFER8 iface,LPLONG vol)
1302 {
1303         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1304         TRACE("(%p,%p)\n",This,vol);
1305
1306         return IDirectSoundBufferImpl_GetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1307 }
1308
1309 static HRESULT WINAPI SecondaryBufferImpl_GetPan(
1310         LPDIRECTSOUNDBUFFER8 iface,LPLONG pan)
1311 {
1312         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1313         TRACE("(%p,%p)\n",This,pan);
1314
1315         return IDirectSoundBufferImpl_GetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1316 }
1317
1318 static HRESULT WINAPI SecondaryBufferImpl_GetFrequency(
1319         LPDIRECTSOUNDBUFFER8 iface,LPDWORD freq)
1320 {
1321         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1322         TRACE("(%p,%p)\n",This,freq);
1323
1324         return IDirectSoundBufferImpl_GetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1325 }
1326
1327 static HRESULT WINAPI SecondaryBufferImpl_GetStatus(
1328         LPDIRECTSOUNDBUFFER8 iface,LPDWORD status)
1329 {
1330         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1331         TRACE("(%p,%p)\n",This,status);
1332
1333         return IDirectSoundBufferImpl_GetStatus((LPDIRECTSOUNDBUFFER8)This->dsb,status);
1334 }
1335
1336 static HRESULT WINAPI SecondaryBufferImpl_Initialize(
1337         LPDIRECTSOUNDBUFFER8 iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd)
1338 {
1339         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1340         TRACE("(%p,%p,%p)\n",This,dsound,dbsd);
1341
1342         return IDirectSoundBufferImpl_Initialize((LPDIRECTSOUNDBUFFER8)This->dsb,dsound,dbsd);
1343 }
1344
1345 static HRESULT WINAPI SecondaryBufferImpl_Lock(
1346     LPDIRECTSOUNDBUFFER8 iface,
1347     DWORD writecursor,
1348     DWORD writebytes,
1349     LPVOID lplpaudioptr1,
1350     LPDWORD audiobytes1,
1351     LPVOID lplpaudioptr2,
1352     LPDWORD audiobytes2,
1353     DWORD dwFlags)
1354 {
1355     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1356     TRACE("(%p,%ld,%ld,%p,%p,%p,%p,0x%08lx)\n",
1357         This,writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1358
1359     return IDirectSoundBufferImpl_Lock((LPDIRECTSOUNDBUFFER8)This->dsb,
1360         writecursor,writebytes,lplpaudioptr1,audiobytes1,lplpaudioptr2,audiobytes2,dwFlags);
1361 }
1362
1363 static HRESULT WINAPI SecondaryBufferImpl_Play(
1364         LPDIRECTSOUNDBUFFER8 iface,DWORD reserved1,DWORD reserved2,DWORD flags)
1365 {
1366         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1367         TRACE("(%p,%08lx,%08lx,%08lx)\n",This,reserved1,reserved2,flags);
1368
1369         return IDirectSoundBufferImpl_Play((LPDIRECTSOUNDBUFFER8)This->dsb,reserved1,reserved2,flags);
1370 }
1371
1372 static HRESULT WINAPI SecondaryBufferImpl_SetCurrentPosition(
1373         LPDIRECTSOUNDBUFFER8 iface,DWORD newpos)
1374 {
1375         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1376         TRACE("(%p,%ld)\n",This,newpos);
1377
1378         return IDirectSoundBufferImpl_SetCurrentPosition((LPDIRECTSOUNDBUFFER8)This->dsb,newpos);
1379 }
1380
1381 static HRESULT WINAPI SecondaryBufferImpl_SetFormat(
1382         LPDIRECTSOUNDBUFFER8 iface,LPCWAVEFORMATEX wfex)
1383 {
1384         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1385         TRACE("(%p,%p)\n",This,wfex);
1386
1387         return IDirectSoundBufferImpl_SetFormat((LPDIRECTSOUNDBUFFER8)This->dsb,wfex);
1388 }
1389
1390 static HRESULT WINAPI SecondaryBufferImpl_SetVolume(
1391         LPDIRECTSOUNDBUFFER8 iface,LONG vol)
1392 {
1393         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1394         TRACE("(%p,%ld)\n",This,vol);
1395
1396         return IDirectSoundBufferImpl_SetVolume((LPDIRECTSOUNDBUFFER8)This->dsb,vol);
1397 }
1398
1399 static HRESULT WINAPI SecondaryBufferImpl_SetPan(
1400         LPDIRECTSOUNDBUFFER8 iface,LONG pan)
1401 {
1402         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1403         TRACE("(%p,%ld)\n",This,pan);
1404
1405         return IDirectSoundBufferImpl_SetPan((LPDIRECTSOUNDBUFFER8)This->dsb,pan);
1406 }
1407
1408 static HRESULT WINAPI SecondaryBufferImpl_SetFrequency(
1409         LPDIRECTSOUNDBUFFER8 iface,DWORD freq)
1410 {
1411         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1412         TRACE("(%p,%ld)\n",This,freq);
1413
1414         return IDirectSoundBufferImpl_SetFrequency((LPDIRECTSOUNDBUFFER8)This->dsb,freq);
1415 }
1416
1417 static HRESULT WINAPI SecondaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER8 iface)
1418 {
1419         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1420         TRACE("(%p)\n",This);
1421
1422         return IDirectSoundBufferImpl_Stop((LPDIRECTSOUNDBUFFER8)This->dsb);
1423 }
1424
1425 static HRESULT WINAPI SecondaryBufferImpl_Unlock(
1426     LPDIRECTSOUNDBUFFER8 iface,
1427     LPVOID lpvAudioPtr1,
1428     DWORD dwAudioBytes1,
1429     LPVOID lpvAudioPtr2,
1430     DWORD dwAudioBytes2)
1431 {
1432     SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1433     TRACE("(%p,%p,%ld,%p,%ld)\n",
1434         This, lpvAudioPtr1, dwAudioBytes1, lpvAudioPtr2, dwAudioBytes2);
1435
1436     return IDirectSoundBufferImpl_Unlock((LPDIRECTSOUNDBUFFER8)This->dsb,
1437         lpvAudioPtr1,dwAudioBytes1,lpvAudioPtr2,dwAudioBytes2);
1438 }
1439
1440 static HRESULT WINAPI SecondaryBufferImpl_Restore(
1441         LPDIRECTSOUNDBUFFER8 iface)
1442 {
1443         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1444         TRACE("(%p)\n",This);
1445
1446         return IDirectSoundBufferImpl_Restore((LPDIRECTSOUNDBUFFER8)This->dsb);
1447 }
1448
1449 static HRESULT WINAPI SecondaryBufferImpl_SetFX(
1450         LPDIRECTSOUNDBUFFER8 iface,DWORD dwEffectsCount,LPDSEFFECTDESC pDSFXDesc,LPDWORD pdwResultCodes)
1451 {
1452         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1453         TRACE("(%p,%lu,%p,%p)\n",This,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1454
1455         return IDirectSoundBufferImpl_SetFX((LPDIRECTSOUNDBUFFER8)This->dsb,dwEffectsCount,pDSFXDesc,pdwResultCodes);
1456 }
1457
1458 static HRESULT WINAPI SecondaryBufferImpl_AcquireResources(
1459         LPDIRECTSOUNDBUFFER8 iface,DWORD dwFlags,DWORD dwEffectsCount,LPDWORD pdwResultCodes)
1460 {
1461         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1462         TRACE("(%p,%08lu,%lu,%p)\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
1463
1464         return IDirectSoundBufferImpl_AcquireResources((LPDIRECTSOUNDBUFFER8)This->dsb,dwFlags,dwEffectsCount,pdwResultCodes);
1465 }
1466
1467 static HRESULT WINAPI SecondaryBufferImpl_GetObjectInPath(
1468         LPDIRECTSOUNDBUFFER8 iface,REFGUID rguidObject,DWORD dwIndex,REFGUID rguidInterface,LPVOID* ppObject)
1469 {
1470         SecondaryBufferImpl *This = (SecondaryBufferImpl *)iface;
1471         TRACE("(%p,%s,%lu,%s,%p)\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
1472
1473         return IDirectSoundBufferImpl_GetObjectInPath((LPDIRECTSOUNDBUFFER8)This->dsb,rguidObject,dwIndex,rguidInterface,ppObject);
1474 }
1475
1476 static IDirectSoundBuffer8Vtbl sbvt =
1477 {
1478         SecondaryBufferImpl_QueryInterface,
1479         SecondaryBufferImpl_AddRef,
1480         SecondaryBufferImpl_Release,
1481         SecondaryBufferImpl_GetCaps,
1482         SecondaryBufferImpl_GetCurrentPosition,
1483         SecondaryBufferImpl_GetFormat,
1484         SecondaryBufferImpl_GetVolume,
1485         SecondaryBufferImpl_GetPan,
1486         SecondaryBufferImpl_GetFrequency,
1487         SecondaryBufferImpl_GetStatus,
1488         SecondaryBufferImpl_Initialize,
1489         SecondaryBufferImpl_Lock,
1490         SecondaryBufferImpl_Play,
1491         SecondaryBufferImpl_SetCurrentPosition,
1492         SecondaryBufferImpl_SetFormat,
1493         SecondaryBufferImpl_SetVolume,
1494         SecondaryBufferImpl_SetPan,
1495         SecondaryBufferImpl_SetFrequency,
1496         SecondaryBufferImpl_Stop,
1497         SecondaryBufferImpl_Unlock,
1498         SecondaryBufferImpl_Restore,
1499         SecondaryBufferImpl_SetFX,
1500         SecondaryBufferImpl_AcquireResources,
1501         SecondaryBufferImpl_GetObjectInPath
1502 };
1503
1504 HRESULT WINAPI SecondaryBufferImpl_Create(
1505         IDirectSoundBufferImpl *dsb,
1506         SecondaryBufferImpl **psb)
1507 {
1508         SecondaryBufferImpl *sb;
1509         TRACE("(%p,%p)\n",dsb,psb);
1510
1511         sb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*sb));
1512
1513         if (sb == 0) {
1514                 WARN("out of memory\n");
1515                 *psb = NULL;
1516                 return DSERR_OUTOFMEMORY;
1517         }
1518         sb->ref = 0;
1519         sb->dsb = dsb;
1520         sb->lpVtbl = &sbvt;
1521
1522         IDirectSoundBuffer8_AddRef((LPDIRECTSOUNDBUFFER8)dsb);
1523         *psb = sb;
1524         return S_OK;
1525 }
1526
1527 HRESULT WINAPI SecondaryBufferImpl_Destroy(
1528     SecondaryBufferImpl *pdsb)
1529 {
1530     TRACE("(%p)\n",pdsb);
1531
1532     while (SecondaryBufferImpl_Release((LPDIRECTSOUNDBUFFER8)pdsb) > 0);
1533
1534     return S_OK;
1535 }