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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                 buflen = ds_hel_buflen;
 152         else /* In case we move from hw accelerated to waveout */
 153                 buflen = device->buflen;
 154         buflen -= buflen % device->pwfx->nBlockAlign;
 155         device->buflen = buflen;
 156
 157         if (device->driver)
 158         {
 159                 err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 160                                                   DSBCAPS_PRIMARYBUFFER,0,
 161                                                   &(device->buflen),&(device->buffer),
 162                                                   (LPVOID*)&(device->hwbuf));
 163
 164                 if (err != DS_OK) {
 165                         WARN("IDsDriver_CreateSoundBuffer failed (%08x), falling back to waveout\n", err);
 166                         err = DSOUND_ReopenDevice(device, TRUE);
 167                         if (FAILED(err))
 168                         {
 169                                 WARN("Falling back to waveout failed too! Giving up\n");
 170                                 return err;
 171                         }
 172                 }
 173                 DSOUND_RecalcPrimary(device);
 174                 device->prebuf = ds_snd_queue_max;
 175                 if (device->helfrags < ds_snd_queue_min)
 176                 {
 177                         WARN("Too little sound buffer to be effective (%d/%d) falling back to waveout\n", device->buflen, ds_snd_queue_min * device->fraglen);
 178                         device->buflen = buflen;
 179                         IDsDriverBuffer_Release(device->hwbuf);
 180                         device->hwbuf = NULL;
 181                         err = DSOUND_ReopenDevice(device, TRUE);
 182                         if (FAILED(err))
 183                         {
 184                                 WARN("Falling back to waveout failed too! Giving up\n");
 185                                 return err;
 186                         }
 187                 }
 188                 else if (device->helfrags < ds_snd_queue_max)
 189                         device->prebuf = device->helfrags;
 190         }
 191
 192         if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
 193         else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
 194
 195         /* are we using waveOut stuff? */
 196         if (!device->driver) {
 197                 LPBYTE newbuf;
 198                 LPWAVEHDR headers = NULL;
 199                 DWORD overshot;
 200                 unsigned int c;
 201
 202                 /* Start in pause mode, to allow buffers to get filled */
 203                 waveOutPause(device->hwo);
 204
 205                 TRACE("desired buflen=%d, old buffer=%p\n", buflen, device->buffer);
 206
 207                 /* reallocate emulated primary buffer */
 208                 if (device->buffer)
 209                         newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer, buflen);
 210                 else
 211                         newbuf = HeapAlloc(GetProcessHeap(),0, buflen);
 212
 213                 if (!newbuf) {
 214                         ERR("failed to allocate primary buffer\n");
 215                         return DSERR_OUTOFMEMORY;
 216                         /* but the old buffer might still exist and must be re-prepared */
 217                 }
 218
 219                 DSOUND_RecalcPrimary(device);
 220                 if (device->pwave)
 221                         headers = HeapReAlloc(GetProcessHeap(),0,device->pwave, device->helfrags * sizeof(WAVEHDR));
 222                 else
 223                         headers = HeapAlloc(GetProcessHeap(),0,device->helfrags * sizeof(WAVEHDR));
 224
 225                 if (!headers) {
 226                         ERR("failed to allocate wave headers\n");
 227                         HeapFree(GetProcessHeap(), 0, newbuf);
 228                         DSOUND_RecalcPrimary(device);
 229                         return DSERR_OUTOFMEMORY;
 230                 }
 231
 232                 device->buffer = newbuf;
 233                 device->pwave = headers;
 234
 235                 /* prepare fragment headers */
 236                 for (c=0; c<device->helfrags; c++) {
 237                         device->pwave[c].lpData = (char*)device->buffer + c*device->fraglen;
 238                         device->pwave[c].dwBufferLength = device->fraglen;
 239                         device->pwave[c].dwUser = (DWORD)device;
 240                         device->pwave[c].dwFlags = 0;
 241                         device->pwave[c].dwLoops = 0;
 242                         err = mmErr(waveOutPrepareHeader(device->hwo,&device->pwave[c],sizeof(WAVEHDR)));
 243                         if (err != DS_OK) {
 244                                 while (c--)
 245                                         waveOutUnprepareHeader(device->hwo,&device->pwave[c],sizeof(WAVEHDR));
 246                                 break;
 247                         }
 248                 }
 249
 250                 overshot = device->buflen % device->fraglen;
 251                 /* sanity */
 252                 if(overshot)
 253                 {
 254                         overshot -= overshot % device->pwfx->nBlockAlign;
 255                         device->pwave[device->helfrags - 1].dwBufferLength += overshot;
 256                 }
 257
 258                 TRACE("fraglen=%d, overshot=%d\n", device->fraglen, overshot);
 259         }
 260         FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
 261         device->pwplay = device->pwqueue = device->playpos = device->mixpos = 0;
 262         return err;
 263 }
 264
 265
 266 static void DSOUND_PrimaryClose(DirectSoundDevice *device)
 267 {
 268         TRACE("(%p)\n", device);
 269
 270         /* are we using waveOut stuff? */
 271         if (!device->hwbuf) {
 272                 unsigned c;
 273
 274                 /* get out of CS when calling the wave system */
 275                 LeaveCriticalSection(&(device->mixlock));
 276                 /* **** */
 277                 device->pwqueue = (DWORD)-1; /* resetting queues */
 278                 waveOutReset(device->hwo);
 279                 for (c=0; c<device->helfrags; c++)
 280                         waveOutUnprepareHeader(device->hwo, &device->pwave[c], sizeof(WAVEHDR));
 281                 /* **** */
 282                 EnterCriticalSection(&(device->mixlock));
 283
 284                 /* clear the queue */
 285                 device->pwqueue = 0;
 286         } else {
 287                 ULONG ref = IDsDriverBuffer_Release(device->hwbuf);
 288                 if (!ref)
 289                         device->hwbuf = 0;
 290                 else
 291                         ERR("Still %d references on primary buffer, refcount leak?\n", ref);
 292         }
 293 }
 294
 295 HRESULT DSOUND_PrimaryCreate(DirectSoundDevice *device)
 296 {
 297         HRESULT err = DS_OK;
 298         TRACE("(%p)\n", device);
 299
 300         device->buflen = ds_hel_buflen;
 301         err = DSOUND_PrimaryOpen(device);
 302
 303         if (err != DS_OK) {
 304                 WARN("DSOUND_PrimaryOpen failed\n");
 305                 return err;
 306         }
 307
 308         device->state = STATE_STOPPED;
 309         return DS_OK;
 310 }
 311
 312 HRESULT DSOUND_PrimaryDestroy(DirectSoundDevice *device)
 313 {
 314         TRACE("(%p)\n", device);
 315
 316         /* **** */
 317         EnterCriticalSection(&(device->mixlock));
 318
 319         DSOUND_PrimaryClose(device);
 320         if (device->driver) {
 321                 if (device->hwbuf) {
 322                         if (IDsDriverBuffer_Release(device->hwbuf) == 0)
 323                                 device->hwbuf = 0;
 324                 }
 325         } else
 326                 HeapFree(GetProcessHeap(),0,device->pwave);
 327         HeapFree(GetProcessHeap(),0,device->pwfx);
 328         device->pwfx=NULL;
 329
 330         LeaveCriticalSection(&(device->mixlock));
 331         /* **** */
 332
 333         return DS_OK;
 334 }
 335
 336 HRESULT DSOUND_PrimaryPlay(DirectSoundDevice *device)
 337 {
 338         HRESULT err = DS_OK;
 339         TRACE("(%p)\n", device);
 340
 341         if (device->hwbuf) {
 342                 err = IDsDriverBuffer_Play(device->hwbuf, 0, 0, DSBPLAY_LOOPING);
 343                 if (err != DS_OK)
 344                         WARN("IDsDriverBuffer_Play failed\n");
 345         } else {
 346                 err = mmErr(waveOutRestart(device->hwo));
 347                 if (err != DS_OK)
 348                         WARN("waveOutRestart failed\n");
 349         }
 350
 351         return err;
 352 }
 353
 354 HRESULT DSOUND_PrimaryStop(DirectSoundDevice *device)
 355 {
 356         HRESULT err = DS_OK;
 357         TRACE("(%p)\n", device);
 358
 359         if (device->hwbuf) {
 360                 err = IDsDriverBuffer_Stop(device->hwbuf);
 361                 if (err == DSERR_BUFFERLOST) {
 362                         DSOUND_PrimaryClose(device);
 363                         err = DSOUND_ReopenDevice(device, FALSE);
 364                         if (FAILED(err))
 365                                 ERR("DSOUND_ReopenDevice failed\n");
 366                         else
 367                         {
 368                                 err = DSOUND_PrimaryOpen(device);
 369                                 if (FAILED(err))
 370                                         WARN("DSOUND_PrimaryOpen failed\n");
 371                         }
 372                 } else if (err != DS_OK) {
 373                         WARN("IDsDriverBuffer_Stop failed\n");
 374                 }
 375         } else {
 376
 377                 /* don't call the wave system with the lock set */
 378                 LeaveCriticalSection(&(device->mixlock));
 379                 /* **** */
 380
 381                 err = mmErr(waveOutPause(device->hwo));
 382
 383                 /* **** */
 384                 EnterCriticalSection(&(device->mixlock));
 385
 386                 if (err != DS_OK)
 387                         WARN("waveOutPause failed\n");
 388         }
 389
 390         return err;
 391 }
 392
 393 HRESULT DSOUND_PrimaryGetPosition(DirectSoundDevice *device, LPDWORD playpos, LPDWORD writepos)
 394 {
 395         TRACE("(%p,%p,%p)\n", device, playpos, writepos);
 396
 397         if (device->hwbuf) {
 398                 HRESULT err=IDsDriverBuffer_GetPosition(device->hwbuf,playpos,writepos);
 399                 if (err) {
 400                         WARN("IDsDriverBuffer_GetPosition failed\n");
 401                         return err;
 402                 }
 403         } else {
 404                 TRACE("pwplay=%i, pwqueue=%i\n", device->pwplay, device->pwqueue);
 405
 406                 /* check if playpos was requested */
 407                 if (playpos)
 408                         /* use the cached play position */
 409                         *playpos = device->pwplay * device->fraglen;
 410
 411                 /* check if writepos was requested */
 412                 if (writepos)
 413                         /* the writepos is the first non-queued position */
 414                         *writepos = ((device->pwplay + device->pwqueue) % device->helfrags) * device->fraglen;
 415         }
 416         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:-1, writepos?*writepos:-1, device, GetTickCount());
 417         return DS_OK;
 418 }
 419
 420 HRESULT DSOUND_PrimarySetFormat(DirectSoundDevice *device, LPCWAVEFORMATEX wfex, BOOL forced)
 421 {
 422         HRESULT err = DSERR_BUFFERLOST;
 423         int i, alloc_size, cp_size;
 424         DWORD nSamplesPerSec, bpp, chans;
 425         TRACE("(%p,%p)\n", device, wfex);
 426
 427         if (device->priolevel == DSSCL_NORMAL) {
 428                 WARN("failed priority check!\n");
 429                 return DSERR_PRIOLEVELNEEDED;
 430         }
 431
 432         /* Let's be pedantic! */
 433         if (wfex == NULL) {
 434                 WARN("invalid parameter: wfex==NULL!\n");
 435                 return DSERR_INVALIDPARAM;
 436         }
 437         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
 438               "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
 439               wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
 440               wfex->nAvgBytesPerSec, wfex->nBlockAlign,
 441               wfex->wBitsPerSample, wfex->cbSize);
 442
 443         /* **** */
 444         RtlAcquireResourceExclusive(&(device->buffer_list_lock), TRUE);
 445         EnterCriticalSection(&(device->mixlock));
 446
 447         if (wfex->wFormatTag == WAVE_FORMAT_PCM) {
 448             alloc_size = sizeof(WAVEFORMATEX);
 449             cp_size = sizeof(PCMWAVEFORMAT);
 450         } else
 451             alloc_size = cp_size = sizeof(WAVEFORMATEX) + wfex->cbSize;
 452
 453         device->pwfx = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,device->pwfx,alloc_size);
 454
 455         nSamplesPerSec = device->pwfx->nSamplesPerSec;
 456         bpp = device->pwfx->wBitsPerSample;
 457         chans = device->pwfx->nChannels;
 458
 459         CopyMemory(device->pwfx, wfex, cp_size);
 460
 461         if (!(device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMSETFORMAT) && device->hwbuf) {
 462                 err = IDsDriverBuffer_SetFormat(device->hwbuf, device->pwfx);
 463
 464                 /* On bad format, try to re-create, big chance it will work then, only do this if we <HAVE> to */
 465                 if (forced && (device->pwfx->nSamplesPerSec/100 != wfex->nSamplesPerSec/100 || err == DSERR_BADFORMAT))
 466                 {
 467                         err = DSERR_BUFFERLOST;
 468                         CopyMemory(device->pwfx, wfex, cp_size);
 469                 }
 470
 471                 if (err != DSERR_BUFFERLOST && FAILED(err)) {
 472                         WARN("IDsDriverBuffer_SetFormat failed\n");
 473                         if (!forced)
 474                                 err = DS_OK;
 475                         goto done;
 476                 }
 477
 478                 if (err == S_FALSE)
 479                 {
 480                         /* ALSA specific: S_FALSE tells that recreation was successful,
 481                          * but size and location may be changed, and buffer has to be restarted
 482                          * I put it here, so if frequency doesn't match the error will be changed to DSERR_BUFFERLOST
 483                          * and the entire re-initialization will occur anyway
 484                          */
 485                         IDsDriverBuffer_Lock(device->hwbuf, (LPVOID *)&device->buffer, &device->buflen, NULL, NULL, 0, 0, DSBLOCK_ENTIREBUFFER);
 486                         IDsDriverBuffer_Unlock(device->hwbuf, device->buffer, 0, NULL, 0);
 487
 488                         if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
 489                         else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
 490                         device->pwplay = device->pwqueue = device->playpos = device->mixpos = 0;
 491                         err = DS_OK;
 492                 }
 493                 DSOUND_RecalcPrimary(device);
 494         }
 495
 496         if (err == DSERR_BUFFERLOST)
 497         {
 498                 DSOUND_PrimaryClose(device);
 499
 500                 err = DSOUND_ReopenDevice(device, FALSE);
 501                 if (FAILED(err))
 502                 {
 503                         WARN("DSOUND_ReopenDevice failed: %08x\n", err);
 504                         goto done;
 505                 }
 506                 err = DSOUND_PrimaryOpen(device);
 507                 if (err != DS_OK) {
 508                         WARN("DSOUND_PrimaryOpen failed\n");
 509                         goto done;
 510                 }
 511
 512                 if (wfex->nSamplesPerSec/100 != device->pwfx->nSamplesPerSec/100 && forced && device->buffer)
 513                 {
 514                         DSOUND_PrimaryClose(device);
 515                         device->pwfx->nSamplesPerSec = wfex->nSamplesPerSec;
 516                         err = DSOUND_ReopenDevice(device, TRUE);
 517                         if (FAILED(err))
 518                                 WARN("DSOUND_ReopenDevice(2) failed: %08x\n", err);
 519                         else if (FAILED((err = DSOUND_PrimaryOpen(device))))
 520                                 WARN("DSOUND_PrimaryOpen(2) failed: %08x\n", err);
 521                 }
 522         }
 523
 524         if (nSamplesPerSec != device->pwfx->nSamplesPerSec || bpp != device->pwfx->wBitsPerSample || chans != device->pwfx->nChannels) {
 525                 IDirectSoundBufferImpl** dsb = device->buffers;
 526                 for (i = 0; i < device->nrofbuffers; i++, dsb++) {
 527                         /* **** */
 528                         RtlAcquireResourceExclusive(&(*dsb)->lock, TRUE);
 529
 530                         (*dsb)->freqAdjust = ((DWORD64)(*dsb)->freq << DSOUND_FREQSHIFT) / device->pwfx->nSamplesPerSec;
 531                         DSOUND_RecalcFormat((*dsb));
 532                         DSOUND_MixToTemporary((*dsb), 0, (*dsb)->buflen);
 533                         (*dsb)->primary_mixpos = 0;
 534
 535                         RtlReleaseResource(&(*dsb)->lock);
 536                         /* **** */
 537                 }
 538         }
 539
 540 done:
 541         LeaveCriticalSection(&(device->mixlock));
 542         RtlReleaseResource(&(device->buffer_list_lock));
 543         /* **** */
 544
 545         return err;
 546 }
 547
 548 /*******************************************************************************
 549  *              PrimaryBuffer
 550  */
 551 /* This sets this format for the <em>Primary Buffer Only</em> */
 552 /* See file:///cdrom/sdk52/docs/worddoc/dsound.doc page 120 */
 553 static HRESULT WINAPI PrimaryBufferImpl_SetFormat(
 554     LPDIRECTSOUNDBUFFER iface,
 555     LPCWAVEFORMATEX wfex)
 556 {
 557     DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 558     TRACE("(%p,%p)\n", iface, wfex);
 559     return DSOUND_PrimarySetFormat(device, wfex, device->priolevel == DSSCL_WRITEPRIMARY);
 560 }
 561
 562 static HRESULT WINAPI PrimaryBufferImpl_SetVolume(
 563         LPDIRECTSOUNDBUFFER iface,LONG vol
 564 ) {
 565         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 566         DWORD ampfactors;
 567         DSVOLUMEPAN volpan;
 568         HRESULT hres = DS_OK;
 569         TRACE("(%p,%d)\n", iface, vol);
 570
 571         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 572                 WARN("control unavailable\n");
 573                 return DSERR_CONTROLUNAVAIL;
 574         }
 575
 576         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 577                 WARN("invalid parameter: vol = %d\n", vol);
 578                 return DSERR_INVALIDPARAM;
 579         }
 580
 581         /* **** */
 582         EnterCriticalSection(&(device->mixlock));
 583
 584         waveOutGetVolume(device->hwo, &ampfactors);
 585         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 586         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 587         DSOUND_AmpFactorToVolPan(&volpan);
 588         if (vol != volpan.lVolume) {
 589             volpan.lVolume=vol;
 590             DSOUND_RecalcVolPan(&volpan);
 591             if (device->hwbuf) {
 592                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &volpan);
 593                 if (hres != DS_OK)
 594                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 595             } else {
 596                 ampfactors = (volpan.dwTotalLeftAmpFactor & 0xffff) | (volpan.dwTotalRightAmpFactor << 16);
 597                 waveOutSetVolume(device->hwo, ampfactors);
 598             }
 599         }
 600
 601         LeaveCriticalSection(&(device->mixlock));
 602         /* **** */
 603
 604         return hres;
 605 }
 606
 607 static HRESULT WINAPI PrimaryBufferImpl_GetVolume(
 608         LPDIRECTSOUNDBUFFER iface,LPLONG vol
 609 ) {
 610         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 611         DWORD ampfactors;
 612         DSVOLUMEPAN volpan;
 613         TRACE("(%p,%p)\n", iface, vol);
 614
 615         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 616                 WARN("control unavailable\n");
 617                 return DSERR_CONTROLUNAVAIL;
 618         }
 619
 620         if (vol == NULL) {
 621                 WARN("invalid parameter: vol = NULL\n");
 622                 return DSERR_INVALIDPARAM;
 623         }
 624
 625         waveOutGetVolume(device->hwo, &ampfactors);
 626         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 627         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 628         DSOUND_AmpFactorToVolPan(&volpan);
 629         *vol = volpan.lVolume;
 630         return DS_OK;
 631 }
 632
 633 static HRESULT WINAPI PrimaryBufferImpl_SetFrequency(
 634         LPDIRECTSOUNDBUFFER iface,DWORD freq
 635 ) {
 636         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 637         TRACE("(%p,%d)\n",This,freq);
 638
 639         /* You cannot set the frequency of the primary buffer */
 640         WARN("control unavailable\n");
 641         return DSERR_CONTROLUNAVAIL;
 642 }
 643
 644 static HRESULT WINAPI PrimaryBufferImpl_Play(
 645         LPDIRECTSOUNDBUFFER iface,DWORD reserved1,DWORD reserved2,DWORD flags
 646 ) {
 647         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 648         TRACE("(%p,%08x,%08x,%08x)\n", iface, reserved1, reserved2, flags);
 649
 650         if (!(flags & DSBPLAY_LOOPING)) {
 651                 WARN("invalid parameter: flags = %08x\n", flags);
 652                 return DSERR_INVALIDPARAM;
 653         }
 654
 655         /* **** */
 656         EnterCriticalSection(&(device->mixlock));
 657
 658         if (device->state == STATE_STOPPED)
 659                 device->state = STATE_STARTING;
 660         else if (device->state == STATE_STOPPING)
 661                 device->state = STATE_PLAYING;
 662
 663         LeaveCriticalSection(&(device->mixlock));
 664         /* **** */
 665
 666         return DS_OK;
 667 }
 668
 669 static HRESULT WINAPI PrimaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER iface)
 670 {
 671         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 672         TRACE("(%p)\n", iface);
 673
 674         /* **** */
 675         EnterCriticalSection(&(device->mixlock));
 676
 677         if (device->state == STATE_PLAYING)
 678                 device->state = STATE_STOPPING;
 679         else if (device->state == STATE_STARTING)
 680                 device->state = STATE_STOPPED;
 681
 682         LeaveCriticalSection(&(device->mixlock));
 683         /* **** */
 684
 685         return DS_OK;
 686 }
 687
 688 static ULONG WINAPI PrimaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER iface)
 689 {
 690     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 691     ULONG ref = InterlockedIncrement(&(This->ref));
 692     TRACE("(%p) ref was %d\n", This, ref - 1);
 693     return ref;
 694 }
 695
 696 static ULONG WINAPI PrimaryBufferImpl_Release(LPDIRECTSOUNDBUFFER iface)
 697 {
 698     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 699     DWORD ref = InterlockedDecrement(&(This->ref));
 700     TRACE("(%p) ref was %d\n", This, ref + 1);
 701
 702     if (!ref) {
 703         This->device->primary = NULL;
 704         HeapFree(GetProcessHeap(), 0, This);
 705         TRACE("(%p) released\n", This);
 706     }
 707     return ref;
 708 }
 709
 710 static HRESULT WINAPI PrimaryBufferImpl_GetCurrentPosition(
 711         LPDIRECTSOUNDBUFFER iface,LPDWORD playpos,LPDWORD writepos
 712 ) {
 713         HRESULT hres;
 714         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 715         TRACE("(%p,%p,%p)\n", iface, playpos, writepos);
 716
 717         /* **** */
 718         EnterCriticalSection(&(device->mixlock));
 719
 720         hres = DSOUND_PrimaryGetPosition(device, playpos, writepos);
 721         if (hres != DS_OK) {
 722                 WARN("DSOUND_PrimaryGetPosition failed\n");
 723                 LeaveCriticalSection(&(device->mixlock));
 724                 return hres;
 725         }
 726         if (writepos) {
 727                 if (device->state != STATE_STOPPED)
 728                         /* apply the documented 10ms lead to writepos */
 729                         *writepos += device->writelead;
 730                 while (*writepos >= device->buflen) *writepos -= device->buflen;
 731         }
 732
 733         LeaveCriticalSection(&(device->mixlock));
 734         /* **** */
 735
 736         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
 737         return DS_OK;
 738 }
 739
 740 static HRESULT WINAPI PrimaryBufferImpl_GetStatus(
 741         LPDIRECTSOUNDBUFFER iface,LPDWORD status
 742 ) {
 743         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 744         TRACE("(%p,%p)\n", iface, status);
 745
 746         if (status == NULL) {
 747                 WARN("invalid parameter: status == NULL\n");
 748                 return DSERR_INVALIDPARAM;
 749         }
 750
 751         *status = 0;
 752         if ((device->state == STATE_STARTING) ||
 753             (device->state == STATE_PLAYING))
 754                 *status |= DSBSTATUS_PLAYING | DSBSTATUS_LOOPING;
 755
 756         TRACE("status=%x\n", *status);
 757         return DS_OK;
 758 }
 759
 760
 761 static HRESULT WINAPI PrimaryBufferImpl_GetFormat(
 762     LPDIRECTSOUNDBUFFER iface,
 763     LPWAVEFORMATEX lpwf,
 764     DWORD wfsize,
 765     LPDWORD wfwritten)
 766 {
 767     DWORD size;
 768     DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 769     TRACE("(%p,%p,%d,%p)\n", iface, lpwf, wfsize, wfwritten);
 770
 771     size = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 772
 773     if (lpwf) { /* NULL is valid */
 774         if (wfsize >= size) {
 775             CopyMemory(lpwf,device->pwfx,size);
 776             if (wfwritten)
 777                 *wfwritten = size;
 778         } else {
 779             WARN("invalid parameter: wfsize too small\n");
 780             if (wfwritten)
 781                 *wfwritten = 0;
 782             return DSERR_INVALIDPARAM;
 783         }
 784     } else {
 785         if (wfwritten)
 786             *wfwritten = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 787         else {
 788             WARN("invalid parameter: wfwritten == NULL\n");
 789             return DSERR_INVALIDPARAM;
 790         }
 791     }
 792
 793     return DS_OK;
 794 }
 795
 796 static HRESULT WINAPI PrimaryBufferImpl_Lock(
 797         LPDIRECTSOUNDBUFFER iface,DWORD writecursor,DWORD writebytes,LPVOID *lplpaudioptr1,LPDWORD audiobytes1,LPVOID *lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 798 ) {
 799         HRESULT hres;
 800         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 801         TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x) at %d\n",
 802                 iface,
 803                 writecursor,
 804                 writebytes,
 805                 lplpaudioptr1,
 806                 audiobytes1,
 807                 lplpaudioptr2,
 808                 audiobytes2,
 809                 flags,
 810                 GetTickCount()
 811         );
 812
 813         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 814                 WARN("failed priority check!\n");
 815                 return DSERR_PRIOLEVELNEEDED;
 816         }
 817
 818         /* when this flag is set, writecursor is meaningless and must be calculated */
 819         if (flags & DSBLOCK_FROMWRITECURSOR) {
 820                 /* GetCurrentPosition does too much magic to duplicate here */
 821                 hres = IDirectSoundBuffer_GetCurrentPosition(iface, NULL, &writecursor);
 822                 if (hres != DS_OK) {
 823                         WARN("IDirectSoundBuffer_GetCurrentPosition failed\n");
 824                         return hres;
 825                 }
 826         }
 827
 828         /* when this flag is set, writebytes is meaningless and must be set */
 829         if (flags & DSBLOCK_ENTIREBUFFER)
 830                 writebytes = device->buflen;
 831
 832         if (writecursor >= device->buflen) {
 833                 WARN("Invalid parameter, writecursor: %u >= buflen: %u\n",
 834                      writecursor, device->buflen);
 835                 return DSERR_INVALIDPARAM;
 836         }
 837
 838         if (writebytes > device->buflen) {
 839                 WARN("Invalid parameter, writebytes: %u > buflen: %u\n",
 840                      writebytes, device->buflen);
 841                 return DSERR_INVALIDPARAM;
 842         }
 843
 844         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
 845                 hres = IDsDriverBuffer_Lock(device->hwbuf,
 846                                             lplpaudioptr1, audiobytes1,
 847                                             lplpaudioptr2, audiobytes2,
 848                                             writecursor, writebytes,
 849                                             0);
 850                 if (hres != DS_OK) {
 851                         WARN("IDsDriverBuffer_Lock failed\n");
 852                         return hres;
 853                 }
 854         } else {
 855                 if (writecursor+writebytes <= device->buflen) {
 856                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 857                         *audiobytes1 = writebytes;
 858                         if (lplpaudioptr2)
 859                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 860                         if (audiobytes2)
 861                                 *audiobytes2 = 0;
 862                         TRACE("->%d.0\n",writebytes);
 863                 } else {
 864                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 865                         *audiobytes1 = device->buflen-writecursor;
 866                         if (lplpaudioptr2)
 867                                 *(LPBYTE*)lplpaudioptr2 = device->buffer;
 868                         if (audiobytes2)
 869                                 *audiobytes2 = writebytes-(device->buflen-writecursor);
 870                         TRACE("->%d.%d\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 871                 }
 872         }
 873         return DS_OK;
 874 }
 875
 876 static HRESULT WINAPI PrimaryBufferImpl_SetCurrentPosition(
 877         LPDIRECTSOUNDBUFFER iface,DWORD newpos
 878 ) {
 879         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 880         TRACE("(%p,%d)\n",This,newpos);
 881
 882         /* You cannot set the position of the primary buffer */
 883         WARN("invalid call\n");
 884         return DSERR_INVALIDCALL;
 885 }
 886
 887 static HRESULT WINAPI PrimaryBufferImpl_SetPan(
 888         LPDIRECTSOUNDBUFFER iface,LONG pan
 889 ) {
 890         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 891         DWORD ampfactors;
 892         DSVOLUMEPAN volpan;
 893         HRESULT hres = DS_OK;
 894         TRACE("(%p,%d)\n", iface, pan);
 895
 896         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 897                 WARN("control unavailable\n");
 898                 return DSERR_CONTROLUNAVAIL;
 899         }
 900
 901         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 902                 WARN("invalid parameter: pan = %d\n", pan);
 903                 return DSERR_INVALIDPARAM;
 904         }
 905
 906         /* **** */
 907         EnterCriticalSection(&(device->mixlock));
 908
 909         waveOutGetVolume(device->hwo, &ampfactors);
 910         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 911         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 912         DSOUND_AmpFactorToVolPan(&volpan);
 913         if (pan != volpan.lPan) {
 914             volpan.lPan=pan;
 915             DSOUND_RecalcVolPan(&volpan);
 916             if (device->hwbuf) {
 917                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &volpan);
 918                 if (hres != DS_OK)
 919                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 920             } else {
 921                 ampfactors = (volpan.dwTotalLeftAmpFactor & 0xffff) | (volpan.dwTotalRightAmpFactor << 16);
 922                 waveOutSetVolume(device->hwo, ampfactors);
 923             }
 924         }
 925
 926         LeaveCriticalSection(&(device->mixlock));
 927         /* **** */
 928
 929         return hres;
 930 }
 931
 932 static HRESULT WINAPI PrimaryBufferImpl_GetPan(
 933         LPDIRECTSOUNDBUFFER iface,LPLONG pan
 934 ) {
 935         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 936         DWORD ampfactors;
 937         DSVOLUMEPAN volpan;
 938         TRACE("(%p,%p)\n", iface, pan);
 939
 940         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 941                 WARN("control unavailable\n");
 942                 return DSERR_CONTROLUNAVAIL;
 943         }
 944
 945         if (pan == NULL) {
 946                 WARN("invalid parameter: pan == NULL\n");
 947                 return DSERR_INVALIDPARAM;
 948         }
 949
 950         waveOutGetVolume(device->hwo, &ampfactors);
 951         volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 952         volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 953         DSOUND_AmpFactorToVolPan(&volpan);
 954         *pan = volpan.lPan;
 955         return DS_OK;
 956 }
 957
 958 static HRESULT WINAPI PrimaryBufferImpl_Unlock(
 959         LPDIRECTSOUNDBUFFER iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
 960 ) {
 961         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 962         TRACE("(%p,%p,%d,%p,%d)\n", iface, p1, x1, p2, x2);
 963
 964         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 965                 WARN("failed priority check!\n");
 966                 return DSERR_PRIOLEVELNEEDED;
 967         }
 968
 969         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
 970                 HRESULT hres;
 971
 972                 hres = IDsDriverBuffer_Unlock(device->hwbuf, p1, x1, p2, x2);
 973                 if (hres != DS_OK) {
 974                         WARN("IDsDriverBuffer_Unlock failed\n");
 975                         return hres;
 976                 }
 977         }
 978
 979         return DS_OK;
 980 }
 981
 982 static HRESULT WINAPI PrimaryBufferImpl_Restore(
 983         LPDIRECTSOUNDBUFFER iface
 984 ) {
 985         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 986         FIXME("(%p):stub\n",This);
 987         return DS_OK;
 988 }
 989
 990 static HRESULT WINAPI PrimaryBufferImpl_GetFrequency(
 991         LPDIRECTSOUNDBUFFER iface,LPDWORD freq
 992 ) {
 993         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 994         TRACE("(%p,%p)\n", iface, freq);
 995
 996         if (freq == NULL) {
 997                 WARN("invalid parameter: freq == NULL\n");
 998                 return DSERR_INVALIDPARAM;
 999         }
1000
1001         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
1002                 WARN("control unavailable\n");
1003                 return DSERR_CONTROLUNAVAIL;
1004         }
1005
1006         *freq = device->pwfx->nSamplesPerSec;
1007         TRACE("-> %d\n", *freq);
1008
1009         return DS_OK;
1010 }
1011
1012 static HRESULT WINAPI PrimaryBufferImpl_Initialize(
1013         LPDIRECTSOUNDBUFFER iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
1014 ) {
1015         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
1016         WARN("(%p) already initialized\n", This);
1017         return DSERR_ALREADYINITIALIZED;
1018 }
1019
1020 static HRESULT WINAPI PrimaryBufferImpl_GetCaps(
1021         LPDIRECTSOUNDBUFFER iface,LPDSBCAPS caps
1022 ) {
1023         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
1024         TRACE("(%p,%p)\n", iface, caps);
1025
1026         if (caps == NULL) {
1027                 WARN("invalid parameter: caps == NULL\n");
1028                 return DSERR_INVALIDPARAM;
1029         }
1030
1031         if (caps->dwSize < sizeof(*caps)) {
1032                 WARN("invalid parameter: caps->dwSize = %d\n", caps->dwSize);
1033                 return DSERR_INVALIDPARAM;
1034         }
1035
1036         caps->dwFlags = device->dsbd.dwFlags;
1037         caps->dwBufferBytes = device->buflen;
1038
1039         /* Windows reports these as zero */
1040         caps->dwUnlockTransferRate = 0;
1041         caps->dwPlayCpuOverhead = 0;
1042
1043         return DS_OK;
1044 }
1045
1046 static HRESULT WINAPI PrimaryBufferImpl_QueryInterface(
1047         LPDIRECTSOUNDBUFFER iface,REFIID riid,LPVOID *ppobj
1048 ) {
1049         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
1050         DirectSoundDevice *device = This->device;
1051         TRACE("(%p,%s,%p)\n", iface, debugstr_guid(riid), ppobj);
1052
1053         if (ppobj == NULL) {
1054                 WARN("invalid parameter\n");
1055                 return E_INVALIDARG;
1056         }
1057
1058         *ppobj = NULL;  /* assume failure */
1059
1060         if ( IsEqualGUID(riid, &IID_IUnknown) ||
1061              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ) {
1062                 IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)This);
1063                 *ppobj = This;
1064                 return S_OK;
1065         }
1066
1067         /* DirectSoundBuffer and DirectSoundBuffer8 are different and */
1068         /* a primary buffer can't have a DirectSoundBuffer8 interface */
1069         if ( IsEqualGUID( &IID_IDirectSoundBuffer8, riid ) ) {
1070                 WARN("app requested DirectSoundBuffer8 on primary buffer\n");
1071                 return E_NOINTERFACE;
1072         }
1073
1074         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
1075                 ERR("app requested IDirectSoundNotify on primary buffer\n");
1076                 /* FIXME: should we support this? */
1077                 return E_NOINTERFACE;
1078         }
1079
1080         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
1081                 ERR("app requested IDirectSound3DBuffer on primary buffer\n");
1082                 return E_NOINTERFACE;
1083         }
1084
1085         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
1086                 if (!device->listener)
1087                         IDirectSound3DListenerImpl_Create(device, &device->listener);
1088                 if (device->listener) {
1089                         *ppobj = device->listener;
1090                         IDirectSound3DListener_AddRef((LPDIRECTSOUND3DLISTENER)*ppobj);
1091                         return S_OK;
1092                 }
1093
1094                 WARN("IID_IDirectSound3DListener failed\n");
1095                 return E_NOINTERFACE;
1096         }
1097
1098         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
1099                 FIXME("app requested IKsPropertySet on primary buffer\n");
1100                 return E_NOINTERFACE;
1101         }
1102
1103         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
1104         return E_NOINTERFACE;
1105 }
1106
1107 static const IDirectSoundBufferVtbl dspbvt =
1108 {
1109         PrimaryBufferImpl_QueryInterface,
1110         PrimaryBufferImpl_AddRef,
1111         PrimaryBufferImpl_Release,
1112         PrimaryBufferImpl_GetCaps,
1113         PrimaryBufferImpl_GetCurrentPosition,
1114         PrimaryBufferImpl_GetFormat,
1115         PrimaryBufferImpl_GetVolume,
1116         PrimaryBufferImpl_GetPan,
1117         PrimaryBufferImpl_GetFrequency,
1118         PrimaryBufferImpl_GetStatus,
1119         PrimaryBufferImpl_Initialize,
1120         PrimaryBufferImpl_Lock,
1121         PrimaryBufferImpl_Play,
1122         PrimaryBufferImpl_SetCurrentPosition,
1123         PrimaryBufferImpl_SetFormat,
1124         PrimaryBufferImpl_SetVolume,
1125         PrimaryBufferImpl_SetPan,
1126         PrimaryBufferImpl_SetFrequency,
1127         PrimaryBufferImpl_Stop,
1128         PrimaryBufferImpl_Unlock,
1129         PrimaryBufferImpl_Restore
1130 };
1131
1132 HRESULT PrimaryBufferImpl_Create(
1133         DirectSoundDevice * device,
1134         PrimaryBufferImpl ** ppdsb,
1135         LPCDSBUFFERDESC dsbd)
1136 {
1137         PrimaryBufferImpl *dsb;
1138         TRACE("%p,%p,%p)\n",device,ppdsb,dsbd);
1139
1140         if (dsbd->lpwfxFormat) {
1141                 WARN("invalid parameter: dsbd->lpwfxFormat != NULL\n");
1142                 *ppdsb = NULL;
1143                 return DSERR_INVALIDPARAM;
1144         }
1145
1146         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1147
1148         if (dsb == NULL) {
1149                 WARN("out of memory\n");
1150                 *ppdsb = NULL;
1151                 return DSERR_OUTOFMEMORY;
1152         }
1153
1154         dsb->ref = 0;
1155         dsb->device = device;
1156         dsb->lpVtbl = &dspbvt;
1157
1158         CopyMemory(&device->dsbd, dsbd, sizeof(*dsbd));
1159
1160         TRACE("Created primary buffer at %p\n", dsb);
1161         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
1162                 "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
1163                 device->pwfx->wFormatTag, device->pwfx->nChannels,
1164                 device->pwfx->nSamplesPerSec, device->pwfx->nAvgBytesPerSec,
1165                 device->pwfx->nBlockAlign, device->pwfx->wBitsPerSample,
1166                 device->pwfx->cbSize);
1167
1168         *ppdsb = dsb;
1169         return S_OK;
1170 }