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