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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 "winternl.h"
  31 #include "mmddk.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 /** Calculate how long a fragment length of about 10 ms should be in frames
  40  *
  41  * nSamplesPerSec: Frequency rate in samples per second
  42  * nBlockAlign: Size of a single blockalign
  43  *
  44  * Returns:
  45  * Size in bytes of a single fragment
  46  */
  47 DWORD DSOUND_fraglen(DWORD nSamplesPerSec, DWORD nBlockAlign)
  48 {
  49     DWORD fraglen = 512 * nBlockAlign;
  50
  51     /* Compensate for only being roughly accurate */
  52     if (nSamplesPerSec <= 26000)
  53         fraglen /= 2;
  54
  55     if (nSamplesPerSec <= 12000)
  56         fraglen /= 2;
  57
  58     if (nSamplesPerSec >= 80000)
  59         fraglen *= 2;
  60
  61     return fraglen;
  62 }
  63
  64 static void DSOUND_RecalcPrimary(DirectSoundDevice *device)
  65 {
  66     TRACE("(%p)\n", device);
  67
  68     device->fraglen = DSOUND_fraglen(device->pwfx->nSamplesPerSec, device->pwfx->nBlockAlign);
  69     device->helfrags = device->buflen / device->fraglen;
  70     TRACE("fraglen=%d helfrags=%d\n", device->fraglen, device->helfrags);
  71
  72     if (device->hwbuf && device->drvdesc.dwFlags & DSDDESC_DONTNEEDWRITELEAD)
  73         device->writelead = 0;
  74     else
  75         /* calculate the 10ms write lead */
  76         device->writelead = (device->pwfx->nSamplesPerSec / 100) * device->pwfx->nBlockAlign;
  77 }
  78
  79 HRESULT DSOUND_ReopenDevice(DirectSoundDevice *device, BOOL forcewave)
  80 {
  81         HRESULT hres = DS_OK;
  82         TRACE("(%p, %d)\n", device, forcewave);
  83
  84         if (device->driver)
  85         {
  86                 IDsDriver_Close(device->driver);
  87                 if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
  88                         waveOutClose(device->hwo);
  89                 IDsDriver_Release(device->driver);
  90                 device->driver = NULL;
  91                 device->buffer = NULL;
  92                 device->hwo = 0;
  93         }
  94         else if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
  95                 waveOutClose(device->hwo);
  96
  97         /* DRV_QUERYDSOUNDIFACE is a "Wine extension" to get the DSound interface */
  98         if (ds_hw_accel != DS_HW_ACCEL_EMULATION && !forcewave)
  99                 waveOutMessage((HWAVEOUT)device->drvdesc.dnDevNode, DRV_QUERYDSOUNDIFACE, (DWORD_PTR)&device->driver, 0);
 100
 101         /* Get driver description */
 102         if (device->driver) {
 103                 DWORD wod = device->drvdesc.dnDevNode;
 104                 hres = IDsDriver_GetDriverDesc(device->driver,&(device->drvdesc));
 105                 device->drvdesc.dnDevNode = wod;
 106                 if (FAILED(hres)) {
 107                         WARN("IDsDriver_GetDriverDesc failed: %08x\n", hres);
 108                         IDsDriver_Release(device->driver);
 109                         device->driver = NULL;
 110                 }
 111         }
 112
 113         /* if no DirectSound interface available, use WINMM API instead */
 114         if (!device->driver)
 115                 device->drvdesc.dwFlags = DSDDESC_DOMMSYSTEMOPEN | DSDDESC_DOMMSYSTEMSETFORMAT;
 116
 117         if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
 118         {
 119                 DWORD flags = CALLBACK_FUNCTION;
 120
 121                 if (device->driver)
 122                         flags |= WAVE_DIRECTSOUND;
 123
 124                 hres = mmErr(waveOutOpen(&(device->hwo), device->drvdesc.dnDevNode, device->pwfx, (DWORD_PTR)DSOUND_callback, (DWORD)device, flags));
 125                 if (FAILED(hres)) {
 126                         WARN("waveOutOpen failed\n");
 127                         if (device->driver)
 128                         {
 129                                 IDsDriver_Release(device->driver);
 130                                 device->driver = NULL;
 131                         }
 132                         return hres;
 133                 }
 134         }
 135
 136         if (device->driver)
 137                 hres = IDsDriver_Open(device->driver);
 138
 139         return hres;
 140 }
 141
 142 static HRESULT DSOUND_PrimaryOpen(DirectSoundDevice *device)
 143 {
 144         DWORD buflen;
 145         HRESULT err = DS_OK;
 146         TRACE("(%p)\n", device);
 147
 148         /* on original windows, the buffer it set to a fixed size, no matter what the settings are.
 149            on windows this size is always fixed (tested on win-xp) */
 150         if (!device->buflen)
 151                 device->buflen = ds_hel_buflen;
 152         buflen = device->buflen;
 153         buflen -= buflen % device->pwfx->nBlockAlign;
 154         device->buflen = buflen;
 155
 156         if (device->driver)
 157         {
 158                 err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 159                                                   DSBCAPS_PRIMARYBUFFER,0,
 160                                                   &(device->buflen),&(device->buffer),
 161                                                   (LPVOID*)&(device->hwbuf));
 162
 163                 if (err != DS_OK) {
 164                         WARN("IDsDriver_CreateSoundBuffer failed (%08x), falling back to waveout\n", err);
 165                         err = DSOUND_ReopenDevice(device, TRUE);
 166                         if (FAILED(err))
 167                         {
 168                                 WARN("Falling back to waveout failed too! Giving up\n");
 169                                 return err;
 170                         }
 171                 }
 172                 DSOUND_RecalcPrimary(device);
 173                 device->prebuf = ds_snd_queue_max;
 174                 if (device->helfrags < ds_snd_queue_min)
 175                 {
 176                         WARN("Too little sound buffer to be effective (%d/%d) falling back to waveout\n", device->buflen, ds_snd_queue_min * device->fraglen);
 177                         device->buflen = buflen;
 178                         IDsDriverBuffer_Release(device->hwbuf);
 179                         device->hwbuf = NULL;
 180                         err = DSOUND_ReopenDevice(device, TRUE);
 181                         if (FAILED(err))
 182                         {
 183                                 WARN("Falling back to waveout failed too! Giving up\n");
 184                                 return err;
 185                         }
 186                 }
 187                 else if (device->helfrags < ds_snd_queue_max)
 188                         device->prebuf = device->helfrags;
 189         }
 190
 191         if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
 192         else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
 193
 194         /* are we using waveOut stuff? */
 195         if (!device->driver) {
 196                 LPBYTE newbuf;
 197                 LPWAVEHDR headers = NULL;
 198                 DWORD overshot;
 199                 unsigned int c;
 200
 201                 /* Start in pause mode, to allow buffers to get filled */
 202                 waveOutPause(device->hwo);
 203
 204                 TRACE("desired buflen=%d, old buffer=%p\n", buflen, device->buffer);
 205
 206                 /* reallocate emulated primary buffer */
 207                 if (device->buffer)
 208                         newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer, buflen);
 209                 else
 210                         newbuf = HeapAlloc(GetProcessHeap(),0, buflen);
 211
 212                 if (!newbuf) {
 213                         ERR("failed to allocate primary buffer\n");
 214                         return DSERR_OUTOFMEMORY;
 215                         /* but the old buffer might still exist and must be re-prepared */
 216                 }
 217
 218                 DSOUND_RecalcPrimary(device);
 219                 if (device->pwave)
 220                         headers = HeapReAlloc(GetProcessHeap(),0,device->pwave, device->helfrags * sizeof(WAVEHDR));
 221                 else
 222                         headers = HeapAlloc(GetProcessHeap(),0,device->helfrags * sizeof(WAVEHDR));
 223
 224                 if (!headers) {
 225                         ERR("failed to allocate wave headers\n");
 226                         HeapFree(GetProcessHeap(), 0, newbuf);
 227                         DSOUND_RecalcPrimary(device);
 228                         return DSERR_OUTOFMEMORY;
 229                 }
 230
 231                 device->buffer = newbuf;
 232                 device->pwave = headers;
 233
 234                 /* prepare fragment headers */
 235                 for (c=0; c<device->helfrags; c++) {
 236                         device->pwave[c].lpData = (char*)device->buffer + c*device->fraglen;
 237                         device->pwave[c].dwBufferLength = device->fraglen;
 238                         device->pwave[c].dwUser = (DWORD)device;
 239                         device->pwave[c].dwFlags = 0;
 240                         device->pwave[c].dwLoops = 0;
 241                         err = mmErr(waveOutPrepareHeader(device->hwo,&device->pwave[c],sizeof(WAVEHDR)));
 242                         if (err != DS_OK) {
 243                                 while (c--)
 244                                         waveOutUnprepareHeader(device->hwo,&device->pwave[c],sizeof(WAVEHDR));
 245                                 break;
 246                         }
 247                 }
 248
 249                 overshot = device->buflen % device->fraglen;
 250                 /* sanity */
 251                 if(overshot)
 252                 {
 253                         overshot -= overshot % device->pwfx->nBlockAlign;
 254                         device->pwave[device->helfrags - 1].dwBufferLength += overshot;
 255                 }
 256
 257                 TRACE("fraglen=%d, overshot=%d\n", device->fraglen, overshot);
 258         }
 259         FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
 260         device->pwplay = device->pwqueue = device->playpos = device->mixpos = 0;
 261         return err;
 262 }
 263
 264
 265 static void DSOUND_PrimaryClose(DirectSoundDevice *device)
 266 {
 267         TRACE("(%p)\n", device);
 268
 269         /* are we using waveOut stuff? */
 270         if (!device->hwbuf) {
 271                 unsigned c;
 272
 273                 /* get out of CS when calling the wave system */
 274                 LeaveCriticalSection(&(device->mixlock));
 275                 /* **** */
 276                 device->pwqueue = (DWORD)-1; /* resetting queues */
 277                 waveOutReset(device->hwo);
 278                 for (c=0; c<device->helfrags; c++)
 279                         waveOutUnprepareHeader(device->hwo, &device->pwave[c], sizeof(WAVEHDR));
 280                 /* **** */
 281                 EnterCriticalSection(&(device->mixlock));
 282
 283                 /* clear the queue */
 284                 device->pwqueue = 0;
 285         } else {
 286                 ULONG ref = IDsDriverBuffer_Release(device->hwbuf);
 287                 if (!ref)
 288                         device->hwbuf = 0;
 289                 else
 290                         ERR("Still %d references on primary buffer, refcount leak?\n", ref);
 291         }
 292 }
 293
 294 HRESULT DSOUND_PrimaryCreate(DirectSoundDevice *device)
 295 {
 296         HRESULT err = DS_OK;
 297         TRACE("(%p)\n", device);
 298
 299         device->buflen = ds_hel_buflen;
 300         err = DSOUND_PrimaryOpen(device);
 301
 302         if (err != DS_OK) {
 303                 WARN("DSOUND_PrimaryOpen failed\n");
 304                 return err;
 305         }
 306
 307         device->state = STATE_STOPPED;
 308         return DS_OK;
 309 }
 310
 311 HRESULT DSOUND_PrimaryDestroy(DirectSoundDevice *device)
 312 {
 313         TRACE("(%p)\n", device);
 314
 315         /* **** */
 316         EnterCriticalSection(&(device->mixlock));
 317
 318         DSOUND_PrimaryClose(device);
 319         if (device->driver) {
 320                 if (device->hwbuf) {
 321                         if (IDsDriverBuffer_Release(device->hwbuf) == 0)
 322                                 device->hwbuf = 0;
 323                 }
 324         } else
 325                 HeapFree(GetProcessHeap(),0,device->pwave);
 326         HeapFree(GetProcessHeap(),0,device->pwfx);
 327         device->pwfx=NULL;
 328
 329         LeaveCriticalSection(&(device->mixlock));
 330         /* **** */
 331
 332         return DS_OK;
 333 }
 334
 335 HRESULT DSOUND_PrimaryPlay(DirectSoundDevice *device)
 336 {
 337         HRESULT err = DS_OK;
 338         TRACE("(%p)\n", device);
 339
 340         if (device->hwbuf) {
 341                 err = IDsDriverBuffer_Play(device->hwbuf, 0, 0, DSBPLAY_LOOPING);
 342                 if (err != DS_OK)
 343                         WARN("IDsDriverBuffer_Play failed\n");
 344         } else {
 345                 err = mmErr(waveOutRestart(device->hwo));
 346                 if (err != DS_OK)
 347                         WARN("waveOutRestart failed\n");
 348         }
 349
 350         return err;
 351 }
 352
 353 HRESULT DSOUND_PrimaryStop(DirectSoundDevice *device)
 354 {
 355         HRESULT err = DS_OK;
 356         TRACE("(%p)\n", device);
 357
 358         if (device->hwbuf) {
 359                 err = IDsDriverBuffer_Stop(device->hwbuf);
 360                 if (err == DSERR_BUFFERLOST) {
 361                         DSOUND_PrimaryClose(device);
 362                         err = DSOUND_ReopenDevice(device, FALSE);
 363                         if (FAILED(err))
 364                                 ERR("DSOUND_ReopenDevice failed\n");
 365                         else
 366                         {
 367                                 err = DSOUND_PrimaryOpen(device);
 368                                 if (FAILED(err))
 369                                         WARN("DSOUND_PrimaryOpen failed\n");
 370                         }
 371                 } else if (err != DS_OK) {
 372                         WARN("IDsDriverBuffer_Stop failed\n");
 373                 }
 374         } else {
 375
 376                 /* don't call the wave system with the lock set */
 377                 LeaveCriticalSection(&(device->mixlock));
 378                 /* **** */
 379
 380                 err = mmErr(waveOutPause(device->hwo));
 381
 382                 /* **** */
 383                 EnterCriticalSection(&(device->mixlock));
 384
 385                 if (err != DS_OK)
 386                         WARN("waveOutPause failed\n");
 387         }
 388
 389         return err;
 390 }
 391
 392 HRESULT DSOUND_PrimaryGetPosition(DirectSoundDevice *device, LPDWORD playpos, LPDWORD writepos)
 393 {
 394         TRACE("(%p,%p,%p)\n", device, playpos, writepos);
 395
 396         if (device->hwbuf) {
 397                 HRESULT err=IDsDriverBuffer_GetPosition(device->hwbuf,playpos,writepos);
 398                 if (err) {
 399                         WARN("IDsDriverBuffer_GetPosition failed\n");
 400                         return err;
 401                 }
 402         } else {
 403                 TRACE("pwplay=%i, pwqueue=%i\n", device->pwplay, device->pwqueue);
 404
 405                 /* check if playpos was requested */
 406                 if (playpos)
 407                         /* use the cached play position */
 408                         *playpos = device->pwplay * device->fraglen;
 409
 410                 /* check if writepos was requested */
 411                 if (writepos)
 412                         /* the writepos is the first non-queued position */
 413                         *writepos = ((device->pwplay + device->pwqueue) % device->helfrags) * device->fraglen;
 414         }
 415         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:-1, writepos?*writepos:-1, device, GetTickCount());
 416         return DS_OK;
 417 }
 418
 419 HRESULT DSOUND_PrimarySetFormat(DirectSoundDevice *device, LPCWAVEFORMATEX wfex, BOOL forced)
 420 {
 421         HRESULT err = DSERR_BUFFERLOST;
 422         int i, alloc_size, cp_size;
 423         DWORD nSamplesPerSec, bpp, chans;
 424         TRACE("(%p,%p)\n", device, wfex);
 425
 426         if (device->priolevel == DSSCL_NORMAL) {
 427                 WARN("failed priority check!\n");
 428                 return DSERR_PRIOLEVELNEEDED;
 429         }
 430
 431         /* Let's be pedantic! */
 432         if (wfex == NULL) {
 433                 WARN("invalid parameter: wfex==NULL!\n");
 434                 return DSERR_INVALIDPARAM;
 435         }
 436         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
 437               "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
 438               wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
 439               wfex->nAvgBytesPerSec, wfex->nBlockAlign,
 440               wfex->wBitsPerSample, wfex->cbSize);
 441
 442         /* **** */
 443         RtlAcquireResourceExclusive(&(device->buffer_list_lock), TRUE);
 444         EnterCriticalSection(&(device->mixlock));
 445
 446         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
 447             alloc_size = sizeof(WAVEFORMATEX);
 448             cp_size = sizeof(PCMWAVEFORMAT);
 449         } else
 450             alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
 451
 452         device->pwfx = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,device->pwfx,alloc_size);
 453
 454         nSamplesPerSec = device->pwfx->nSamplesPerSec;
 455         bpp = device->pwfx->wBitsPerSample;
 456         chans = device->pwfx->nChannels;
 457
 458         CopyMemory(device->pwfx, wfex, cp_size);
 459
 460         if (!(device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMSETFORMAT) && device->hwbuf) {
 461                 err = IDsDriverBuffer_SetFormat(device->hwbuf, device->pwfx);
 462
 463                 /* On bad format, try to re-create, big chance it will work then, only do this if we <HAVE> to */
 464                 if (forced && (device->pwfx->nSamplesPerSec/100 != wfex->nSamplesPerSec/100 || err == DSERR_BADFORMAT))
 465                 {
 466                         err = DSERR_BUFFERLOST;
 467                         CopyMemory(device->pwfx, wfex, cp_size);
 468                 }
 469
 470                 if (err != DSERR_BUFFERLOST && FAILED(err)) {
 471                         WARN("IDsDriverBuffer_SetFormat failed\n");
 472                         if (!forced)
 473                                 err = DS_OK;
 474                         goto done;
 475                 }
 476
 477                 if (err == S_FALSE)
 478                 {
 479                         /* ALSA specific: S_FALSE tells that recreation was successful,
 480                          * but size and location may be changed, and buffer has to be restarted
 481                          * I put it here, so if frequency doesn't match the error will be changed to DSERR_BUFFERLOST
 482                          * and the entire re-initialization will occur anyway
 483                          */
 484                         IDsDriverBuffer_Lock(device->hwbuf, (LPVOID *)&device->buffer, &device->buflen, NULL, NULL, 0, 0, DSBLOCK_ENTIREBUFFER);
 485                         IDsDriverBuffer_Unlock(device->hwbuf, device->buffer, 0, NULL, 0);
 486
 487                         if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
 488                         else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
 489                         device->pwplay = device->pwqueue = device->playpos = device->mixpos = 0;
 490                         err = DS_OK;
 491                 }
 492                 DSOUND_RecalcPrimary(device);
 493         }
 494
 495         if (err == DSERR_BUFFERLOST)
 496         {
 497                 DSOUND_PrimaryClose(device);
 498
 499                 err = DSOUND_ReopenDevice(device, FALSE);
 500                 if (FAILED(err))
 501                 {
 502                         WARN("DSOUND_ReopenDevice failed: %08x\n", err);
 503                         goto done;
 504                 }
 505                 err = DSOUND_PrimaryOpen(device);
 506                 if (err != DS_OK) {
 507                         WARN("DSOUND_PrimaryOpen failed\n");
 508                         goto done;
 509                 }
 510
 511                 if (wfex->nSamplesPerSec/100 != device->pwfx->nSamplesPerSec/100 && forced && device->buffer)
 512                 {
 513                         DSOUND_PrimaryClose(device);
 514                         device->pwfx->nSamplesPerSec = wfex->nSamplesPerSec;
 515                         err = DSOUND_ReopenDevice(device, TRUE);
 516                         if (FAILED(err))
 517                                 WARN("DSOUND_ReopenDevice(2) failed: %08x\n", err);
 518                         else if (FAILED((err = DSOUND_PrimaryOpen(device))))
 519                                 WARN("DSOUND_PrimaryOpen(2) failed: %08x\n", err);
 520                 }
 521         }
 522
 523         if (nSamplesPerSec != device->pwfx->nSamplesPerSec || bpp != device->pwfx->wBitsPerSample || chans != device->pwfx->nChannels) {
 524                 IDirectSoundBufferImpl** dsb = device->buffers;
 525                 for (i = 0; i < device->nrofbuffers; i++, dsb++) {
 526                         /* **** */
 527                         RtlAcquireResourceExclusive(&(*dsb)->lock, TRUE);
 528
 529                         (*dsb)->freqAdjust = ((DWORD64)(*dsb)->freq << DSOUND_FREQSHIFT) / device->pwfx->nSamplesPerSec;
 530                         DSOUND_RecalcFormat((*dsb));
 531                         DSOUND_MixToTemporary((*dsb), 0, (*dsb)->buflen);
 532                         (*dsb)->primary_mixpos = 0;
 533
 534                         RtlReleaseResource(&(*dsb)->lock);
 535                         /* **** */
 536                 }
 537         }
 538
 539 done:
 540         LeaveCriticalSection(&(device->mixlock));
 541         RtlReleaseResource(&(device->buffer_list_lock));
 542         /* **** */
 543
 544         return err;
 545 }
 546
 547 /*******************************************************************************
 548  *              PrimaryBuffer
 549  */
 550 /* This sets this format for the <em>Primary Buffer Only</em> */
 551 /* See file:///cdrom/sdk52/docs/worddoc/dsound.doc page 120 */
 552 static HRESULT WINAPI PrimaryBufferImpl_SetFormat(
 553     LPDIRECTSOUNDBUFFER iface,
 554     LPCWAVEFORMATEX wfex)
 555 {
 556     DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 557     TRACE("(%p,%p)\n", iface, wfex);
 558     return DSOUND_PrimarySetFormat(device, wfex, device->priolevel == DSSCL_WRITEPRIMARY);
 559 }
 560
 561 static HRESULT WINAPI PrimaryBufferImpl_SetVolume(
 562         LPDIRECTSOUNDBUFFER iface,LONG vol
 563 ) {
 564         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 565         DWORD ampfactors;
 566         DSVOLUMEPAN volpan;
 567         HRESULT hres = DS_OK;
 568         TRACE("(%p,%d)\n", iface, vol);
 569
 570         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 571                 WARN("control unavailable\n");
 572                 return DSERR_CONTROLUNAVAIL;
 573         }
 574
 575         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 576                 WARN("invalid parameter: vol = %d\n", vol);
 577                 return DSERR_INVALIDPARAM;
 578         }
 579
 580         /* **** */
 581         EnterCriticalSection(&(device->mixlock));
 582
 583         waveOutGetVolume(device->hwo, &ampfactors);
 584         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 585         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 586         DSOUND_AmpFactorToVolPan(&volpan);
 587         if (vol != volpan.lVolume) {
 588             volpan.lVolume=vol;
 589             DSOUND_RecalcVolPan(&volpan);
 590             if (device->hwbuf) {
 591                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &volpan);
 592                 if (hres != DS_OK)
 593                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 594             } else {
 595                 ampfactors = (volpan.dwTotalLeftAmpFactor & 0xffff) | (volpan.dwTotalRightAmpFactor << 16);
 596                 waveOutSetVolume(device->hwo, ampfactors);
 597             }
 598         }
 599
 600         LeaveCriticalSection(&(device->mixlock));
 601         /* **** */
 602
 603         return hres;
 604 }
 605
 606 static HRESULT WINAPI PrimaryBufferImpl_GetVolume(
 607         LPDIRECTSOUNDBUFFER iface,LPLONG vol
 608 ) {
 609         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 610         DWORD ampfactors;
 611         DSVOLUMEPAN volpan;
 612         TRACE("(%p,%p)\n", iface, vol);
 613
 614         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 615                 WARN("control unavailable\n");
 616                 return DSERR_CONTROLUNAVAIL;
 617         }
 618
 619         if (vol == NULL) {
 620                 WARN("invalid parameter: vol = NULL\n");
 621                 return DSERR_INVALIDPARAM;
 622         }
 623
 624         waveOutGetVolume(device->hwo, &ampfactors);
 625         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 626         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 627         DSOUND_AmpFactorToVolPan(&volpan);
 628         *vol = volpan.lVolume;
 629         return DS_OK;
 630 }
 631
 632 static HRESULT WINAPI PrimaryBufferImpl_SetFrequency(
 633         LPDIRECTSOUNDBUFFER iface,DWORD freq
 634 ) {
 635         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 636         TRACE("(%p,%d)\n",This,freq);
 637
 638         /* You cannot set the frequency of the primary buffer */
 639         WARN("control unavailable\n");
 640         return DSERR_CONTROLUNAVAIL;
 641 }
 642
 643 static HRESULT WINAPI PrimaryBufferImpl_Play(
 644         LPDIRECTSOUNDBUFFER iface,DWORD reserved1,DWORD reserved2,DWORD flags
 645 ) {
 646         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 647         TRACE("(%p,%08x,%08x,%08x)\n", iface, reserved1, reserved2, flags);
 648
 649         if (!(flags & DSBPLAY_LOOPING)) {
 650                 WARN("invalid parameter: flags = %08x\n", flags);
 651                 return DSERR_INVALIDPARAM;
 652         }
 653
 654         /* **** */
 655         EnterCriticalSection(&(device->mixlock));
 656
 657         if (device->state == STATE_STOPPED)
 658                 device->state = STATE_STARTING;
 659         else if (device->state == STATE_STOPPING)
 660                 device->state = STATE_PLAYING;
 661
 662         LeaveCriticalSection(&(device->mixlock));
 663         /* **** */
 664
 665         return DS_OK;
 666 }
 667
 668 static HRESULT WINAPI PrimaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER iface)
 669 {
 670         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 671         TRACE("(%p)\n", iface);
 672
 673         /* **** */
 674         EnterCriticalSection(&(device->mixlock));
 675
 676         if (device->state == STATE_PLAYING)
 677                 device->state = STATE_STOPPING;
 678         else if (device->state == STATE_STARTING)
 679                 device->state = STATE_STOPPED;
 680
 681         LeaveCriticalSection(&(device->mixlock));
 682         /* **** */
 683
 684         return DS_OK;
 685 }
 686
 687 static ULONG WINAPI PrimaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER iface)
 688 {
 689     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 690     ULONG ref = InterlockedIncrement(&(This->ref));
 691     TRACE("(%p) ref was %d\n", This, ref - 1);
 692     return ref;
 693 }
 694
 695 static ULONG WINAPI PrimaryBufferImpl_Release(LPDIRECTSOUNDBUFFER iface)
 696 {
 697     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 698     DWORD ref = InterlockedDecrement(&(This->ref));
 699     TRACE("(%p) ref was %d\n", This, ref + 1);
 700
 701     if (!ref) {
 702         This->device->primary = NULL;
 703         HeapFree(GetProcessHeap(), 0, This);
 704         TRACE("(%p) released\n", This);
 705     }
 706     return ref;
 707 }
 708
 709 static HRESULT WINAPI PrimaryBufferImpl_GetCurrentPosition(
 710         LPDIRECTSOUNDBUFFER iface,LPDWORD playpos,LPDWORD writepos
 711 ) {
 712         HRESULT hres;
 713         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 714         TRACE("(%p,%p,%p)\n", iface, playpos, writepos);
 715
 716         /* **** */
 717         EnterCriticalSection(&(device->mixlock));
 718
 719         hres = DSOUND_PrimaryGetPosition(device, playpos, writepos);
 720         if (hres != DS_OK) {
 721                 WARN("DSOUND_PrimaryGetPosition failed\n");
 722                 LeaveCriticalSection(&(device->mixlock));
 723                 return hres;
 724         }
 725         if (writepos) {
 726                 if (device->state != STATE_STOPPED)
 727                         /* apply the documented 10ms lead to writepos */
 728                         *writepos += device->writelead;
 729                 while (*writepos >= device->buflen) *writepos -= device->buflen;
 730         }
 731
 732         LeaveCriticalSection(&(device->mixlock));
 733         /* **** */
 734
 735         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
 736         return DS_OK;
 737 }
 738
 739 static HRESULT WINAPI PrimaryBufferImpl_GetStatus(
 740         LPDIRECTSOUNDBUFFER iface,LPDWORD status
 741 ) {
 742         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 743         TRACE("(%p,%p)\n", iface, status);
 744
 745         if (status == NULL) {
 746                 WARN("invalid parameter: status == NULL\n");
 747                 return DSERR_INVALIDPARAM;
 748         }
 749
 750         *status = 0;
 751         if ((device->state == STATE_STARTING) ||
 752             (device->state == STATE_PLAYING))
 753                 *status |= DSBSTATUS_PLAYING | DSBSTATUS_LOOPING;
 754
 755         TRACE("status=%x\n", *status);
 756         return DS_OK;
 757 }
 758
 759
 760 static HRESULT WINAPI PrimaryBufferImpl_GetFormat(
 761     LPDIRECTSOUNDBUFFER iface,
 762     LPWAVEFORMATEX lpwf,
 763     DWORD wfsize,
 764     LPDWORD wfwritten)
 765 {
 766     DWORD size;
 767     DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 768     TRACE("(%p,%p,%d,%p)\n", iface, lpwf, wfsize, wfwritten);
 769
 770     size = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 771
 772     if (lpwf) { /* NULL is valid */
 773         if (wfsize >= size) {
 774             CopyMemory(lpwf,device->pwfx,size);
 775             if (wfwritten)
 776                 *wfwritten = size;
 777         } else {
 778             WARN("invalid parameter: wfsize too small\n");
 779             if (wfwritten)
 780                 *wfwritten = 0;
 781             return DSERR_INVALIDPARAM;
 782         }
 783     } else {
 784         if (wfwritten)
 785             *wfwritten = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 786         else {
 787             WARN("invalid parameter: wfwritten == NULL\n");
 788             return DSERR_INVALIDPARAM;
 789         }
 790     }
 791
 792     return DS_OK;
 793 }
 794
 795 static HRESULT WINAPI PrimaryBufferImpl_Lock(
 796         LPDIRECTSOUNDBUFFER iface,DWORD writecursor,DWORD writebytes,LPVOID *lplpaudioptr1,LPDWORD audiobytes1,LPVOID *lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 797 ) {
 798         HRESULT hres;
 799         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 800         TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x) at %d\n",
 801                 iface,
 802                 writecursor,
 803                 writebytes,
 804                 lplpaudioptr1,
 805                 audiobytes1,
 806                 lplpaudioptr2,
 807                 audiobytes2,
 808                 flags,
 809                 GetTickCount()
 810         );
 811
 812         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 813                 WARN("failed priority check!\n");
 814                 return DSERR_PRIOLEVELNEEDED;
 815         }
 816
 817         /* when this flag is set, writecursor is meaningless and must be calculated */
 818         if (flags & DSBLOCK_FROMWRITECURSOR) {
 819                 /* GetCurrentPosition does too much magic to duplicate here */
 820                 hres = IDirectSoundBuffer_GetCurrentPosition(iface, NULL, &writecursor);
 821                 if (hres != DS_OK) {
 822                         WARN("IDirectSoundBuffer_GetCurrentPosition failed\n");
 823                         return hres;
 824                 }
 825         }
 826
 827         /* when this flag is set, writebytes is meaningless and must be set */
 828         if (flags & DSBLOCK_ENTIREBUFFER)
 829                 writebytes = device->buflen;
 830
 831         if (writecursor >= device->buflen) {
 832                 WARN("Invalid parameter, writecursor: %u >= buflen: %u\n",
 833                      writecursor, device->buflen);
 834                 return DSERR_INVALIDPARAM;
 835         }
 836
 837         if (writebytes > device->buflen) {
 838                 WARN("Invalid parameter, writebytes: %u > buflen: %u\n",
 839                      writebytes, device->buflen);
 840                 return DSERR_INVALIDPARAM;
 841         }
 842
 843         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
 844                 hres = IDsDriverBuffer_Lock(device->hwbuf,
 845                                             lplpaudioptr1, audiobytes1,
 846                                             lplpaudioptr2, audiobytes2,
 847                                             writecursor, writebytes,
 848                                             0);
 849                 if (hres != DS_OK) {
 850                         WARN("IDsDriverBuffer_Lock failed\n");
 851                         return hres;
 852                 }
 853         } else {
 854                 if (writecursor+writebytes <= device->buflen) {
 855                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 856                         *audiobytes1 = writebytes;
 857                         if (lplpaudioptr2)
 858                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 859                         if (audiobytes2)
 860                                 *audiobytes2 = 0;
 861                         TRACE("->%d.0\n",writebytes);
 862                 } else {
 863                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 864                         *audiobytes1 = device->buflen-writecursor;
 865                         if (lplpaudioptr2)
 866                                 *(LPBYTE*)lplpaudioptr2 = device->buffer;
 867                         if (audiobytes2)
 868                                 *audiobytes2 = writebytes-(device->buflen-writecursor);
 869                         TRACE("->%d.%d\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 870                 }
 871         }
 872         return DS_OK;
 873 }
 874
 875 static HRESULT WINAPI PrimaryBufferImpl_SetCurrentPosition(
 876         LPDIRECTSOUNDBUFFER iface,DWORD newpos
 877 ) {
 878         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 879         TRACE("(%p,%d)\n",This,newpos);
 880
 881         /* You cannot set the position of the primary buffer */
 882         WARN("invalid call\n");
 883         return DSERR_INVALIDCALL;
 884 }
 885
 886 static HRESULT WINAPI PrimaryBufferImpl_SetPan(
 887         LPDIRECTSOUNDBUFFER iface,LONG pan
 888 ) {
 889         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 890         DWORD ampfactors;
 891         DSVOLUMEPAN volpan;
 892         HRESULT hres = DS_OK;
 893         TRACE("(%p,%d)\n", iface, pan);
 894
 895         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 896                 WARN("control unavailable\n");
 897                 return DSERR_CONTROLUNAVAIL;
 898         }
 899
 900         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 901                 WARN("invalid parameter: pan = %d\n", pan);
 902                 return DSERR_INVALIDPARAM;
 903         }
 904
 905         /* **** */
 906         EnterCriticalSection(&(device->mixlock));
 907
 908         waveOutGetVolume(device->hwo, &ampfactors);
 909         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 910         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 911         DSOUND_AmpFactorToVolPan(&volpan);
 912         if (pan != volpan.lPan) {
 913             volpan.lPan=pan;
 914             DSOUND_RecalcVolPan(&volpan);
 915             if (device->hwbuf) {
 916                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &volpan);
 917                 if (hres != DS_OK)
 918                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 919             } else {
 920                 ampfactors = (volpan.dwTotalLeftAmpFactor & 0xffff) | (volpan.dwTotalRightAmpFactor << 16);
 921                 waveOutSetVolume(device->hwo, ampfactors);
 922             }
 923         }
 924
 925         LeaveCriticalSection(&(device->mixlock));
 926         /* **** */
 927
 928         return hres;
 929 }
 930
 931 static HRESULT WINAPI PrimaryBufferImpl_GetPan(
 932         LPDIRECTSOUNDBUFFER iface,LPLONG pan
 933 ) {
 934         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 935         DWORD ampfactors;
 936         DSVOLUMEPAN volpan;
 937         TRACE("(%p,%p)\n", iface, pan);
 938
 939         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 940                 WARN("control unavailable\n");
 941                 return DSERR_CONTROLUNAVAIL;
 942         }
 943
 944         if (pan == NULL) {
 945                 WARN("invalid parameter: pan == NULL\n");
 946                 return DSERR_INVALIDPARAM;
 947         }
 948
 949         waveOutGetVolume(device->hwo, &ampfactors);
 950         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 951         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 952         DSOUND_AmpFactorToVolPan(&volpan);
 953         *pan = volpan.lPan;
 954         return DS_OK;
 955 }
 956
 957 static HRESULT WINAPI PrimaryBufferImpl_Unlock(
 958         LPDIRECTSOUNDBUFFER iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 959 ) {
 960         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 961         TRACE("(%p,%p,%d,%p,%d)\n", iface, p1, x1, p2, x2);
 962
 963         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 964                 WARN("failed priority check!\n");
 965                 return DSERR_PRIOLEVELNEEDED;
 966         }
 967
 968         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
 969                 HRESULT hres;
 970
 971                 hres = IDsDriverBuffer_Unlock(device->hwbuf, p1, x1, p2, x2);
 972                 if (hres != DS_OK) {
 973                         WARN("IDsDriverBuffer_Unlock failed\n");
 974                         return hres;
 975                 }
 976         }
 977
 978         return DS_OK;
 979 }
 980
 981 static HRESULT WINAPI PrimaryBufferImpl_Restore(
 982         LPDIRECTSOUNDBUFFER iface
 983 ) {
 984         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 985         FIXME("(%p):stub\n",This);
 986         return DS_OK;
 987 }
 988
 989 static HRESULT WINAPI PrimaryBufferImpl_GetFrequency(
 990         LPDIRECTSOUNDBUFFER iface,LPDWORD freq
 991 ) {
 992         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 993         TRACE("(%p,%p)\n", iface, freq);
 994
 995         if (freq == NULL) {
 996                 WARN("invalid parameter: freq == NULL\n");
 997                 return DSERR_INVALIDPARAM;
 998         }
 999
1000         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
1001                 WARN("control unavailable\n");
1002                 return DSERR_CONTROLUNAVAIL;
1003         }
1004
1005         *freq = device->pwfx->nSamplesPerSec;
1006         TRACE("-> %d\n", *freq);
1007
1008         return DS_OK;
1009 }
1010
1011 static HRESULT WINAPI PrimaryBufferImpl_Initialize(
1012         LPDIRECTSOUNDBUFFER iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
1013 ) {
1014         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
1015         WARN("(%p) already initialized\n", This);
1016         return DSERR_ALREADYINITIALIZED;
1017 }
1018
1019 static HRESULT WINAPI PrimaryBufferImpl_GetCaps(
1020         LPDIRECTSOUNDBUFFER iface,LPDSBCAPS caps
1021 ) {
1022         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
1023         TRACE("(%p,%p)\n", iface, caps);
1024
1025         if (caps == NULL) {
1026                 WARN("invalid parameter: caps == NULL\n");
1027                 return DSERR_INVALIDPARAM;
1028         }
1029
1030         if (caps->dwSize < sizeof(*caps)) {
1031                 WARN("invalid parameter: caps->dwSize = %d\n", caps->dwSize);
1032                 return DSERR_INVALIDPARAM;
1033         }
1034
1035         caps->dwFlags = device->dsbd.dwFlags;
1036         caps->dwBufferBytes = device->buflen;
1037
1038         /* Windows reports these as zero */
1039         caps->dwUnlockTransferRate = 0;
1040         caps->dwPlayCpuOverhead = 0;
1041
1042         return DS_OK;
1043 }
1044
1045 static HRESULT WINAPI PrimaryBufferImpl_QueryInterface(
1046         LPDIRECTSOUNDBUFFER iface,REFIID riid,LPVOID *ppobj
1047 ) {
1048         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
1049         DirectSoundDevice *device = This->device;
1050         TRACE("(%p,%s,%p)\n", iface, debugstr_guid(riid), ppobj);
1051
1052         if (ppobj == NULL) {
1053                 WARN("invalid parameter\n");
1054                 return E_INVALIDARG;
1055         }
1056
1057         *ppobj = NULL;  /* assume failure */
1058
1059         if ( IsEqualGUID(riid, &IID_IUnknown) ||
1060              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ) {
1061                 IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)This);
1062                 *ppobj = This;
1063                 return S_OK;
1064         }
1065
1066         /* DirectSoundBuffer and DirectSoundBuffer8 are different and */
1067         /* a primary buffer can't have a DirectSoundBuffer8 interface */
1068         if ( IsEqualGUID( &IID_IDirectSoundBuffer8, riid ) ) {
1069                 WARN("app requested DirectSoundBuffer8 on primary buffer\n");
1070                 return E_NOINTERFACE;
1071         }
1072
1073         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
1074                 ERR("app requested IDirectSoundNotify on primary buffer\n");
1075                 /* FIXME: should we support this? */
1076                 return E_NOINTERFACE;
1077         }
1078
1079         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
1080                 ERR("app requested IDirectSound3DBuffer on primary buffer\n");
1081                 return E_NOINTERFACE;
1082         }
1083
1084         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
1085                 if (!device->listener)
1086                         IDirectSound3DListenerImpl_Create(device, &device->listener);
1087                 if (device->listener) {
1088                         *ppobj = device->listener;
1089                         IDirectSound3DListener_AddRef((LPDIRECTSOUND3DLISTENER)*ppobj);
1090                         return S_OK;
1091                 }
1092
1093                 WARN("IID_IDirectSound3DListener failed\n");
1094                 return E_NOINTERFACE;
1095         }
1096
1097         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
1098                 FIXME("app requested IKsPropertySet on primary buffer\n");
1099                 return E_NOINTERFACE;
1100         }
1101
1102         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
1103         return E_NOINTERFACE;
1104 }
1105
1106 static const IDirectSoundBufferVtbl dspbvt =
1107 {
1108         PrimaryBufferImpl_QueryInterface,
1109         PrimaryBufferImpl_AddRef,
1110         PrimaryBufferImpl_Release,
1111         PrimaryBufferImpl_GetCaps,
1112         PrimaryBufferImpl_GetCurrentPosition,
1113         PrimaryBufferImpl_GetFormat,
1114         PrimaryBufferImpl_GetVolume,
1115         PrimaryBufferImpl_GetPan,
1116         PrimaryBufferImpl_GetFrequency,
1117         PrimaryBufferImpl_GetStatus,
1118         PrimaryBufferImpl_Initialize,
1119         PrimaryBufferImpl_Lock,
1120         PrimaryBufferImpl_Play,
1121         PrimaryBufferImpl_SetCurrentPosition,
1122         PrimaryBufferImpl_SetFormat,
1123         PrimaryBufferImpl_SetVolume,
1124         PrimaryBufferImpl_SetPan,
1125         PrimaryBufferImpl_SetFrequency,
1126         PrimaryBufferImpl_Stop,
1127         PrimaryBufferImpl_Unlock,
1128         PrimaryBufferImpl_Restore
1129 };
1130
1131 HRESULT PrimaryBufferImpl_Create(
1132         DirectSoundDevice * device,
1133         PrimaryBufferImpl ** ppdsb,
1134         LPCDSBUFFERDESC dsbd)
1135 {
1136         PrimaryBufferImpl *dsb;
1137         TRACE("%p,%p,%p)\n",device,ppdsb,dsbd);
1138
1139         if (dsbd->lpwfxFormat) {
1140                 WARN("invalid parameter: dsbd->lpwfxFormat != NULL\n");
1141                 *ppdsb = NULL;
1142                 return DSERR_INVALIDPARAM;
1143         }
1144
1145         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1146
1147         if (dsb == NULL) {
1148                 WARN("out of memory\n");
1149                 *ppdsb = NULL;
1150                 return DSERR_OUTOFMEMORY;
1151         }
1152
1153         dsb->ref = 0;
1154         dsb->device = device;
1155         dsb->lpVtbl = &dspbvt;
1156
1157         CopyMemory(&device->dsbd, dsbd, sizeof(*dsbd));
1158
1159         TRACE("Created primary buffer at %p\n", dsb);
1160         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
1161                 "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
1162                 device->pwfx->wFormatTag, device->pwfx->nChannels,
1163                 device->pwfx->nSamplesPerSec, device->pwfx->nAvgBytesPerSec,
1164                 device->pwfx->nBlockAlign, device->pwfx->wBitsPerSample,
1165                 device->pwfx->cbSize);
1166
1167         *ppdsb = dsb;
1168         return S_OK;
1169 }