dlls/dsound/primary.c

   1 /*                      DirectSound
   2  *
   3  * Copyright 1998 Marcus Meissner
   4  * Copyright 1998 Rob Riggs
   5  * Copyright 2000-2002 TransGaming Technologies, Inc.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  *
  21  * TODO:
  22  *      When PrimarySetFormat (via ReopenDevice or PrimaryOpen) fails,
  23  *       it leaves dsound in unusable (not really open) state.
  24  */
  25
  26 #include <stdarg.h>
  27
  28 #define NONAMELESSSTRUCT
  29 #define NONAMELESSUNION
  30 #include "windef.h"
  31 #include "winbase.h"
  32 #include "winuser.h"
  33 #include "mmsystem.h"
  34 #include "winternl.h"
  35 #include "mmddk.h"
  36 #include "wine/debug.h"
  37 #include "dsound.h"
  38 #include "dsdriver.h"
  39 #include "dsound_private.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(dsound);
  42
  43 /** Calculate how long a fragment length of about 10 ms should be in frames
  44  *
  45  * nSamplesPerSec: Frequency rate in samples per second
  46  * nBlockAlign: Size of a single blockalign
  47  *
  48  * Returns:
  49  * Size in bytes of a single fragment
  50  */
  51 DWORD DSOUND_fraglen(DWORD nSamplesPerSec, DWORD nBlockAlign)
  52 {
  53     /* Given a timer delay of 10ms, the fragment size is approximately:
  54      *     fraglen = (nSamplesPerSec * 10 / 1000) * nBlockAlign
  55      * ==> fraglen = (nSamplesPerSec / 100) * nBlockSize
  56      *
  57      * ALSA uses buffers that are powers of 2. Because of this, fraglen
  58      * is rounded up to the nearest power of 2:
  59      */
  60
  61     if (nSamplesPerSec <= 12800)
  62         return 128 * nBlockAlign;
  63
  64     if (nSamplesPerSec <= 25600)
  65         return 256 * nBlockAlign;
  66
  67     if (nSamplesPerSec <= 51200)
  68         return 512 * nBlockAlign;
  69
  70     return 1024 * nBlockAlign;
  71 }
  72
  73 static void DSOUND_RecalcPrimary(DirectSoundDevice *device)
  74 {
  75     TRACE("(%p)\n", device);
  76
  77     device->fraglen = DSOUND_fraglen(device->pwfx->nSamplesPerSec, device->pwfx->nBlockAlign);
  78     device->helfrags = device->buflen / device->fraglen;
  79     TRACE("fraglen=%d helfrags=%d\n", device->fraglen, device->helfrags);
  80
  81     if (device->hwbuf && device->drvdesc.dwFlags & DSDDESC_DONTNEEDWRITELEAD)
  82         device->writelead = 0;
  83     else
  84         /* calculate the 10ms write lead */
  85         device->writelead = (device->pwfx->nSamplesPerSec / 100) * device->pwfx->nBlockAlign;
  86 }
  87
  88 HRESULT DSOUND_ReopenDevice(DirectSoundDevice *device, BOOL forcewave)
  89 {
  90         HRESULT hres = DS_OK;
  91         TRACE("(%p, %d)\n", device, forcewave);
  92
  93         if (device->driver)
  94         {
  95                 IDsDriver_Close(device->driver);
  96                 if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
  97                         waveOutClose(device->hwo);
  98                 IDsDriver_Release(device->driver);
  99                 device->driver = NULL;
 100                 device->buffer = NULL;
 101                 device->hwo = 0;
 102         }
 103         else if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
 104                 waveOutClose(device->hwo);
 105
 106         /* DRV_QUERYDSOUNDIFACE is a "Wine extension" to get the DSound interface */
 107         if (ds_hw_accel != DS_HW_ACCEL_EMULATION && !forcewave)
 108                 waveOutMessage((HWAVEOUT)device->drvdesc.dnDevNode, DRV_QUERYDSOUNDIFACE, (DWORD_PTR)&device->driver, 0);
 109
 110         /* Get driver description */
 111         if (device->driver) {
 112                 DWORD wod = device->drvdesc.dnDevNode;
 113                 hres = IDsDriver_GetDriverDesc(device->driver,&(device->drvdesc));
 114                 device->drvdesc.dnDevNode = wod;
 115                 if (FAILED(hres)) {
 116                         WARN("IDsDriver_GetDriverDesc failed: %08x\n", hres);
 117                         IDsDriver_Release(device->driver);
 118                         device->driver = NULL;
 119                 }
 120         }
 121
 122         /* if no DirectSound interface available, use WINMM API instead */
 123         if (!device->driver)
 124                 device->drvdesc.dwFlags = DSDDESC_DOMMSYSTEMOPEN | DSDDESC_DOMMSYSTEMSETFORMAT;
 125
 126         if (device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
 127         {
 128                 DWORD flags = CALLBACK_FUNCTION;
 129
 130                 if (device->driver)
 131                         flags |= WAVE_DIRECTSOUND;
 132
 133                 hres = mmErr(waveOutOpen(&(device->hwo), device->drvdesc.dnDevNode, device->pwfx, (DWORD_PTR)DSOUND_callback, (DWORD_PTR)device, flags));
 134                 if (FAILED(hres)) {
 135                         WARN("waveOutOpen failed\n");
 136                         if (device->driver)
 137                         {
 138                                 IDsDriver_Release(device->driver);
 139                                 device->driver = NULL;
 140                         }
 141                         return hres;
 142                 }
 143         }
 144
 145         if (device->driver)
 146                 hres = IDsDriver_Open(device->driver);
 147
 148         return hres;
 149 }
 150
 151 static HRESULT DSOUND_PrimaryOpen(DirectSoundDevice *device)
 152 {
 153         DWORD buflen;
 154         HRESULT err = DS_OK;
 155         TRACE("(%p)\n", device);
 156
 157         /* on original windows, the buffer it set to a fixed size, no matter what the settings are.
 158            on windows this size is always fixed (tested on win-xp) */
 159         if (!device->buflen)
 160                 device->buflen = ds_hel_buflen;
 161         buflen = device->buflen;
 162         buflen -= buflen % device->pwfx->nBlockAlign;
 163         device->buflen = buflen;
 164
 165         if (device->driver)
 166         {
 167                 err = IDsDriver_CreateSoundBuffer(device->driver,device->pwfx,
 168                                                   DSBCAPS_PRIMARYBUFFER,0,
 169                                                   &(device->buflen),&(device->buffer),
 170                                                   (LPVOID*)&(device->hwbuf));
 171
 172                 if (err != DS_OK) {
 173                         WARN("IDsDriver_CreateSoundBuffer failed (%08x), falling back to waveout\n", err);
 174                         err = DSOUND_ReopenDevice(device, TRUE);
 175                         if (FAILED(err))
 176                         {
 177                                 WARN("Falling back to waveout failed too! Giving up\n");
 178                                 return err;
 179                         }
 180                 }
 181                 if (device->hwbuf)
 182                     IDsDriverBuffer_SetVolumePan(device->hwbuf, &device->volpan);
 183
 184                 DSOUND_RecalcPrimary(device);
 185                 device->prebuf = ds_snd_queue_max;
 186                 if (device->helfrags < ds_snd_queue_min)
 187                 {
 188                         WARN("Too little sound buffer to be effective (%d/%d) falling back to waveout\n", device->buflen, ds_snd_queue_min * device->fraglen);
 189                         device->buflen = buflen;
 190                         IDsDriverBuffer_Release(device->hwbuf);
 191                         device->hwbuf = NULL;
 192                         err = DSOUND_ReopenDevice(device, TRUE);
 193                         if (FAILED(err))
 194                         {
 195                                 WARN("Falling back to waveout failed too! Giving up\n");
 196                                 return err;
 197                         }
 198                 }
 199                 else if (device->helfrags < ds_snd_queue_max)
 200                         device->prebuf = device->helfrags;
 201         }
 202
 203         device->mix_buffer_len = DSOUND_bufpos_to_mixpos(device, device->buflen);
 204         device->mix_buffer = HeapAlloc(GetProcessHeap(), 0, device->mix_buffer_len);
 205         if (!device->mix_buffer)
 206         {
 207                 if (device->hwbuf)
 208                         IDsDriverBuffer_Release(device->hwbuf);
 209                 device->hwbuf = NULL;
 210                 return DSERR_OUTOFMEMORY;
 211         }
 212
 213         if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
 214         else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
 215
 216         /* are we using waveOut stuff? */
 217         if (!device->driver) {
 218                 LPBYTE newbuf;
 219                 LPWAVEHDR headers = NULL;
 220                 DWORD overshot;
 221                 unsigned int c;
 222
 223                 /* Start in pause mode, to allow buffers to get filled */
 224                 waveOutPause(device->hwo);
 225
 226                 TRACE("desired buflen=%d, old buffer=%p\n", buflen, device->buffer);
 227
 228                 /* reallocate emulated primary buffer */
 229                 if (device->buffer)
 230                         newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer, buflen);
 231                 else
 232                         newbuf = HeapAlloc(GetProcessHeap(),0, buflen);
 233
 234                 if (!newbuf) {
 235                         ERR("failed to allocate primary buffer\n");
 236                         return DSERR_OUTOFMEMORY;
 237                         /* but the old buffer might still exist and must be re-prepared */
 238                 }
 239
 240                 DSOUND_RecalcPrimary(device);
 241                 if (device->pwave)
 242                         headers = HeapReAlloc(GetProcessHeap(),0,device->pwave, device->helfrags * sizeof(WAVEHDR));
 243                 else
 244                         headers = HeapAlloc(GetProcessHeap(),0,device->helfrags * sizeof(WAVEHDR));
 245
 246                 if (!headers) {
 247                         ERR("failed to allocate wave headers\n");
 248                         HeapFree(GetProcessHeap(), 0, newbuf);
 249                         DSOUND_RecalcPrimary(device);
 250                         return DSERR_OUTOFMEMORY;
 251                 }
 252
 253                 device->buffer = newbuf;
 254                 device->pwave = headers;
 255
 256                 /* prepare fragment headers */
 257                 for (c=0; c<device->helfrags; c++) {
 258                         device->pwave[c].lpData = (char*)device->buffer + c*device->fraglen;
 259                         device->pwave[c].dwBufferLength = device->fraglen;
 260                         device->pwave[c].dwUser = (DWORD_PTR)device;
 261                         device->pwave[c].dwFlags = 0;
 262                         device->pwave[c].dwLoops = 0;
 263                         err = mmErr(waveOutPrepareHeader(device->hwo,&device->pwave[c],sizeof(WAVEHDR)));
 264                         if (err != DS_OK) {
 265                                 while (c--)
 266                                         waveOutUnprepareHeader(device->hwo,&device->pwave[c],sizeof(WAVEHDR));
 267                                 break;
 268                         }
 269                 }
 270
 271                 overshot = device->buflen % device->fraglen;
 272                 /* sanity */
 273                 if(overshot)
 274                 {
 275                         overshot -= overshot % device->pwfx->nBlockAlign;
 276                         device->pwave[device->helfrags - 1].dwBufferLength += overshot;
 277                 }
 278
 279                 TRACE("fraglen=%d, overshot=%d\n", device->fraglen, overshot);
 280         }
 281         device->mixfunction = mixfunctions[device->pwfx->wBitsPerSample/8 - 1];
 282         device->normfunction = normfunctions[device->pwfx->wBitsPerSample/8 - 1];
 283         FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
 284         FillMemory(device->mix_buffer, device->mix_buffer_len, 0);
 285         device->pwplay = device->pwqueue = device->playpos = device->mixpos = 0;
 286         return err;
 287 }
 288
 289
 290 static void DSOUND_PrimaryClose(DirectSoundDevice *device)
 291 {
 292         TRACE("(%p)\n", device);
 293
 294         /* are we using waveOut stuff? */
 295         if (!device->hwbuf) {
 296                 unsigned c;
 297
 298                 /* get out of CS when calling the wave system */
 299                 LeaveCriticalSection(&(device->mixlock));
 300                 /* **** */
 301                 device->pwqueue = (DWORD)-1; /* resetting queues */
 302                 waveOutReset(device->hwo);
 303                 for (c=0; c<device->helfrags; c++)
 304                         waveOutUnprepareHeader(device->hwo, &device->pwave[c], sizeof(WAVEHDR));
 305                 /* **** */
 306                 EnterCriticalSection(&(device->mixlock));
 307
 308                 /* clear the queue */
 309                 device->pwqueue = 0;
 310         } else {
 311                 ULONG ref = IDsDriverBuffer_Release(device->hwbuf);
 312                 if (!ref)
 313                         device->hwbuf = 0;
 314                 else
 315                         ERR("Still %d references on primary buffer, refcount leak?\n", ref);
 316         }
 317 }
 318
 319 HRESULT DSOUND_PrimaryCreate(DirectSoundDevice *device)
 320 {
 321         HRESULT err = DS_OK;
 322         TRACE("(%p)\n", device);
 323
 324         device->buflen = ds_hel_buflen;
 325         err = DSOUND_PrimaryOpen(device);
 326
 327         if (err != DS_OK) {
 328                 WARN("DSOUND_PrimaryOpen failed\n");
 329                 return err;
 330         }
 331
 332         device->state = STATE_STOPPED;
 333         return DS_OK;
 334 }
 335
 336 HRESULT DSOUND_PrimaryDestroy(DirectSoundDevice *device)
 337 {
 338         TRACE("(%p)\n", device);
 339
 340         /* **** */
 341         EnterCriticalSection(&(device->mixlock));
 342
 343         DSOUND_PrimaryClose(device);
 344         if (device->driver) {
 345                 if (device->hwbuf) {
 346                         if (IDsDriverBuffer_Release(device->hwbuf) == 0)
 347                                 device->hwbuf = 0;
 348                 }
 349         } else
 350                 HeapFree(GetProcessHeap(),0,device->pwave);
 351         HeapFree(GetProcessHeap(),0,device->pwfx);
 352         device->pwfx=NULL;
 353
 354         LeaveCriticalSection(&(device->mixlock));
 355         /* **** */
 356
 357         return DS_OK;
 358 }
 359
 360 HRESULT DSOUND_PrimaryPlay(DirectSoundDevice *device)
 361 {
 362         HRESULT err = DS_OK;
 363         TRACE("(%p)\n", device);
 364
 365         if (device->hwbuf) {
 366                 err = IDsDriverBuffer_Play(device->hwbuf, 0, 0, DSBPLAY_LOOPING);
 367                 if (err != DS_OK)
 368                         WARN("IDsDriverBuffer_Play failed\n");
 369         } else {
 370                 err = mmErr(waveOutRestart(device->hwo));
 371                 if (err != DS_OK)
 372                         WARN("waveOutRestart failed\n");
 373         }
 374
 375         return err;
 376 }
 377
 378 HRESULT DSOUND_PrimaryStop(DirectSoundDevice *device)
 379 {
 380         HRESULT err = DS_OK;
 381         TRACE("(%p)\n", device);
 382
 383         if (device->hwbuf) {
 384                 err = IDsDriverBuffer_Stop(device->hwbuf);
 385                 if (err == DSERR_BUFFERLOST) {
 386                         DSOUND_PrimaryClose(device);
 387                         err = DSOUND_ReopenDevice(device, FALSE);
 388                         if (FAILED(err))
 389                                 ERR("DSOUND_ReopenDevice failed\n");
 390                         else
 391                         {
 392                                 err = DSOUND_PrimaryOpen(device);
 393                                 if (FAILED(err))
 394                                         WARN("DSOUND_PrimaryOpen failed\n");
 395                         }
 396                 } else if (err != DS_OK) {
 397                         WARN("IDsDriverBuffer_Stop failed\n");
 398                 }
 399         } else {
 400
 401                 /* don't call the wave system with the lock set */
 402                 LeaveCriticalSection(&(device->mixlock));
 403                 /* **** */
 404
 405                 err = mmErr(waveOutPause(device->hwo));
 406
 407                 /* **** */
 408                 EnterCriticalSection(&(device->mixlock));
 409
 410                 if (err != DS_OK)
 411                         WARN("waveOutPause failed\n");
 412         }
 413
 414         return err;
 415 }
 416
 417 HRESULT DSOUND_PrimaryGetPosition(DirectSoundDevice *device, LPDWORD playpos, LPDWORD writepos)
 418 {
 419         TRACE("(%p,%p,%p)\n", device, playpos, writepos);
 420
 421         if (device->hwbuf) {
 422                 HRESULT err=IDsDriverBuffer_GetPosition(device->hwbuf,playpos,writepos);
 423                 if (err != S_OK) {
 424                         WARN("IDsDriverBuffer_GetPosition failed\n");
 425                         return err;
 426                 }
 427         } else {
 428                 TRACE("pwplay=%i, pwqueue=%i\n", device->pwplay, device->pwqueue);
 429
 430                 /* check if playpos was requested */
 431                 if (playpos)
 432                         /* use the cached play position */
 433                         *playpos = device->pwplay * device->fraglen;
 434
 435                 /* check if writepos was requested */
 436                 if (writepos)
 437                         /* the writepos is the first non-queued position */
 438                         *writepos = ((device->pwplay + device->pwqueue) % device->helfrags) * device->fraglen;
 439         }
 440         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:-1, writepos?*writepos:-1, device, GetTickCount());
 441         return DS_OK;
 442 }
 443
 444 LPWAVEFORMATEX DSOUND_CopyFormat(LPCWAVEFORMATEX wfex)
 445 {
 446         DWORD size = wfex->wFormatTag == WAVE_FORMAT_PCM ?
 447                 sizeof(WAVEFORMATEX) : sizeof(WAVEFORMATEX) + wfex->cbSize;
 448         LPWAVEFORMATEX pwfx = HeapAlloc(GetProcessHeap(),0,size);
 449         if (pwfx == NULL) {
 450                 WARN("out of memory\n");
 451         } else if (wfex->wFormatTag != WAVE_FORMAT_PCM) {
 452                 CopyMemory(pwfx, wfex, size);
 453         } else {
 454                 CopyMemory(pwfx, wfex, sizeof(PCMWAVEFORMAT));
 455                 pwfx->cbSize=0;
 456                 if (pwfx->nBlockAlign != pwfx->nChannels * pwfx->wBitsPerSample/8) {
 457                         WARN("Fixing bad nBlockAlign (%u)\n", pwfx->nBlockAlign);
 458                         pwfx->nBlockAlign  = pwfx->nChannels * pwfx->wBitsPerSample/8;
 459                 }
 460                 if (pwfx->nAvgBytesPerSec != pwfx->nSamplesPerSec * pwfx->nBlockAlign) {
 461                         WARN("Fixing bad nAvgBytesPerSec (%u)\n", pwfx->nAvgBytesPerSec);
 462                         pwfx->nAvgBytesPerSec  = pwfx->nSamplesPerSec * pwfx->nBlockAlign;
 463                 }
 464         }
 465         return pwfx;
 466 }
 467
 468 static HRESULT DSOUND_PrimarySetFormat(DirectSoundDevice *device, LPCWAVEFORMATEX wfex, BOOL forced)
 469 {
 470         HRESULT err = DSERR_BUFFERLOST;
 471         int i;
 472         DWORD nSamplesPerSec, bpp, chans;
 473         LPWAVEFORMATEX oldpwfx;
 474         TRACE("(%p,%p)\n", device, wfex);
 475
 476         if (device->priolevel == DSSCL_NORMAL) {
 477                 WARN("failed priority check!\n");
 478                 return DSERR_PRIOLEVELNEEDED;
 479         }
 480
 481         /* Let's be pedantic! */
 482         if (wfex == NULL) {
 483                 WARN("invalid parameter: wfex==NULL!\n");
 484                 return DSERR_INVALIDPARAM;
 485         }
 486         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
 487               "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
 488               wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
 489               wfex->nAvgBytesPerSec, wfex->nBlockAlign,
 490               wfex->wBitsPerSample, wfex->cbSize);
 491
 492         /* **** */
 493         RtlAcquireResourceExclusive(&(device->buffer_list_lock), TRUE);
 494         EnterCriticalSection(&(device->mixlock));
 495
 496         nSamplesPerSec = device->pwfx->nSamplesPerSec;
 497         bpp = device->pwfx->wBitsPerSample;
 498         chans = device->pwfx->nChannels;
 499
 500         oldpwfx = device->pwfx;
 501         device->pwfx = DSOUND_CopyFormat(wfex);
 502         if (device->pwfx == NULL) {
 503                 device->pwfx = oldpwfx;
 504                 err = DSERR_OUTOFMEMORY;
 505                 goto done;
 506         }
 507         /* TODO: on failure below (bad format?), reinstall oldpwfx */
 508         HeapFree(GetProcessHeap(), 0, oldpwfx);
 509
 510         if (!(device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMSETFORMAT) && device->hwbuf) {
 511                 err = IDsDriverBuffer_SetFormat(device->hwbuf, device->pwfx);
 512
 513                 /* On bad format, try to re-create, big chance it will work then, only do this if we <HAVE> to */
 514                 if (forced && (device->pwfx->nSamplesPerSec/100 != wfex->nSamplesPerSec/100 || err == DSERR_BADFORMAT))
 515                 {
 516                         DWORD cp_size = wfex->wFormatTag == WAVE_FORMAT_PCM ?
 517                                 sizeof(PCMWAVEFORMAT) : sizeof(WAVEFORMATEX) + wfex->cbSize;
 518                         err = DSERR_BUFFERLOST;
 519                         CopyMemory(device->pwfx, wfex, cp_size);
 520                 }
 521
 522                 if (err != DSERR_BUFFERLOST && FAILED(err)) {
 523                         WARN("IDsDriverBuffer_SetFormat failed\n");
 524                         if (!forced)
 525                                 err = DS_OK;
 526                         goto done;
 527                 }
 528
 529                 if (err == S_FALSE)
 530                 {
 531                         /* ALSA specific: S_FALSE tells that recreation was successful,
 532                          * but size and location may be changed, and buffer has to be restarted
 533                          * I put it here, so if frequency doesn't match the error will be changed to DSERR_BUFFERLOST
 534                          * and the entire re-initialization will occur anyway
 535                          */
 536                         IDsDriverBuffer_Lock(device->hwbuf, (LPVOID *)&device->buffer, &device->buflen, NULL, NULL, 0, 0, DSBLOCK_ENTIREBUFFER);
 537                         IDsDriverBuffer_Unlock(device->hwbuf, device->buffer, 0, NULL, 0);
 538
 539                         if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
 540                         else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
 541                         device->pwplay = device->pwqueue = device->playpos = device->mixpos = 0;
 542                         err = DS_OK;
 543                 }
 544                 DSOUND_RecalcPrimary(device);
 545         }
 546
 547         if (err == DSERR_BUFFERLOST)
 548         {
 549                 DSOUND_PrimaryClose(device);
 550
 551                 err = DSOUND_ReopenDevice(device, FALSE);
 552                 if (FAILED(err))
 553                 {
 554                         WARN("DSOUND_ReopenDevice failed: %08x\n", err);
 555                         goto done;
 556                 }
 557                 err = DSOUND_PrimaryOpen(device);
 558                 if (err != DS_OK) {
 559                         WARN("DSOUND_PrimaryOpen failed\n");
 560                         goto done;
 561                 }
 562
 563                 if (wfex->nSamplesPerSec/100 != device->pwfx->nSamplesPerSec/100 && forced && device->buffer)
 564                 {
 565                         DSOUND_PrimaryClose(device);
 566                         device->pwfx->nSamplesPerSec = wfex->nSamplesPerSec;
 567                         err = DSOUND_ReopenDevice(device, TRUE);
 568                         if (FAILED(err))
 569                                 WARN("DSOUND_ReopenDevice(2) failed: %08x\n", err);
 570                         else if (FAILED((err = DSOUND_PrimaryOpen(device))))
 571                                 WARN("DSOUND_PrimaryOpen(2) failed: %08x\n", err);
 572                 }
 573         }
 574
 575         device->mix_buffer_len = DSOUND_bufpos_to_mixpos(device, device->buflen);
 576         device->mix_buffer = HeapReAlloc(GetProcessHeap(), 0, device->mix_buffer, device->mix_buffer_len);
 577         FillMemory(device->mix_buffer, device->mix_buffer_len, 0);
 578         device->mixfunction = mixfunctions[device->pwfx->wBitsPerSample/8 - 1];
 579         device->normfunction = normfunctions[device->pwfx->wBitsPerSample/8 - 1];
 580
 581         if (nSamplesPerSec != device->pwfx->nSamplesPerSec || bpp != device->pwfx->wBitsPerSample || chans != device->pwfx->nChannels) {
 582                 IDirectSoundBufferImpl** dsb = device->buffers;
 583                 for (i = 0; i < device->nrofbuffers; i++, dsb++) {
 584                         /* **** */
 585                         RtlAcquireResourceExclusive(&(*dsb)->lock, TRUE);
 586
 587                         (*dsb)->freqAdjust = ((DWORD64)(*dsb)->freq << DSOUND_FREQSHIFT) / device->pwfx->nSamplesPerSec;
 588                         DSOUND_RecalcFormat((*dsb));
 589                         DSOUND_MixToTemporary((*dsb), 0, (*dsb)->buflen, FALSE);
 590                         (*dsb)->primary_mixpos = 0;
 591
 592                         RtlReleaseResource(&(*dsb)->lock);
 593                         /* **** */
 594                 }
 595         }
 596
 597 done:
 598         LeaveCriticalSection(&(device->mixlock));
 599         RtlReleaseResource(&(device->buffer_list_lock));
 600         /* **** */
 601
 602         return err;
 603 }
 604
 605 /*******************************************************************************
 606  *              PrimaryBuffer
 607  */
 608 /* This sets this format for the <em>Primary Buffer Only</em> */
 609 /* See file:///cdrom/sdk52/docs/worddoc/dsound.doc page 120 */
 610 static HRESULT WINAPI PrimaryBufferImpl_SetFormat(
 611     LPDIRECTSOUNDBUFFER iface,
 612     LPCWAVEFORMATEX wfex)
 613 {
 614     DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 615     TRACE("(%p,%p)\n", iface, wfex);
 616     return DSOUND_PrimarySetFormat(device, wfex, device->priolevel == DSSCL_WRITEPRIMARY);
 617 }
 618
 619 static HRESULT WINAPI PrimaryBufferImpl_SetVolume(
 620         LPDIRECTSOUNDBUFFER iface,LONG vol
 621 ) {
 622         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 623         DWORD ampfactors;
 624         HRESULT hres = DS_OK;
 625         TRACE("(%p,%d)\n", iface, vol);
 626
 627         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 628                 WARN("control unavailable\n");
 629                 return DSERR_CONTROLUNAVAIL;
 630         }
 631
 632         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 633                 WARN("invalid parameter: vol = %d\n", vol);
 634                 return DSERR_INVALIDPARAM;
 635         }
 636
 637         /* **** */
 638         EnterCriticalSection(&(device->mixlock));
 639
 640         waveOutGetVolume(device->hwo, &ampfactors);
 641         device->volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 642         device->volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 643         DSOUND_AmpFactorToVolPan(&device->volpan);
 644         if (vol != device->volpan.lVolume) {
 645             device->volpan.lVolume=vol;
 646             DSOUND_RecalcVolPan(&device->volpan);
 647             if (device->hwbuf) {
 648                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &device->volpan);
 649                 if (hres != DS_OK)
 650                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 651             } else {
 652                 ampfactors = (device->volpan.dwTotalLeftAmpFactor & 0xffff) | (device->volpan.dwTotalRightAmpFactor << 16);
 653                 waveOutSetVolume(device->hwo, ampfactors);
 654             }
 655         }
 656
 657         LeaveCriticalSection(&(device->mixlock));
 658         /* **** */
 659
 660         return hres;
 661 }
 662
 663 static HRESULT WINAPI PrimaryBufferImpl_GetVolume(
 664         LPDIRECTSOUNDBUFFER iface,LPLONG vol
 665 ) {
 666         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 667         DWORD ampfactors;
 668         TRACE("(%p,%p)\n", iface, vol);
 669
 670         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 671                 WARN("control unavailable\n");
 672                 return DSERR_CONTROLUNAVAIL;
 673         }
 674
 675         if (vol == NULL) {
 676                 WARN("invalid parameter: vol = NULL\n");
 677                 return DSERR_INVALIDPARAM;
 678         }
 679
 680         if (!device->hwbuf)
 681         {
 682             waveOutGetVolume(device->hwo, &ampfactors);
 683             device->volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 684             device->volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 685             DSOUND_AmpFactorToVolPan(&device->volpan);
 686         }
 687         *vol = device->volpan.lVolume;
 688         return DS_OK;
 689 }
 690
 691 static HRESULT WINAPI PrimaryBufferImpl_SetFrequency(
 692         LPDIRECTSOUNDBUFFER iface,DWORD freq
 693 ) {
 694         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 695         TRACE("(%p,%d)\n",This,freq);
 696
 697         /* You cannot set the frequency of the primary buffer */
 698         WARN("control unavailable\n");
 699         return DSERR_CONTROLUNAVAIL;
 700 }
 701
 702 static HRESULT WINAPI PrimaryBufferImpl_Play(
 703         LPDIRECTSOUNDBUFFER iface,DWORD reserved1,DWORD reserved2,DWORD flags
 704 ) {
 705         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 706         TRACE("(%p,%08x,%08x,%08x)\n", iface, reserved1, reserved2, flags);
 707
 708         if (!(flags & DSBPLAY_LOOPING)) {
 709                 WARN("invalid parameter: flags = %08x\n", flags);
 710                 return DSERR_INVALIDPARAM;
 711         }
 712
 713         /* **** */
 714         EnterCriticalSection(&(device->mixlock));
 715
 716         if (device->state == STATE_STOPPED)
 717                 device->state = STATE_STARTING;
 718         else if (device->state == STATE_STOPPING)
 719                 device->state = STATE_PLAYING;
 720
 721         LeaveCriticalSection(&(device->mixlock));
 722         /* **** */
 723
 724         return DS_OK;
 725 }
 726
 727 static HRESULT WINAPI PrimaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER iface)
 728 {
 729         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 730         TRACE("(%p)\n", iface);
 731
 732         /* **** */
 733         EnterCriticalSection(&(device->mixlock));
 734
 735         if (device->state == STATE_PLAYING)
 736                 device->state = STATE_STOPPING;
 737         else if (device->state == STATE_STARTING)
 738                 device->state = STATE_STOPPED;
 739
 740         LeaveCriticalSection(&(device->mixlock));
 741         /* **** */
 742
 743         return DS_OK;
 744 }
 745
 746 static ULONG WINAPI PrimaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER iface)
 747 {
 748     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 749     ULONG ref = InterlockedIncrement(&(This->ref));
 750     TRACE("(%p) ref was %d\n", This, ref - 1);
 751     return ref;
 752 }
 753
 754 static ULONG WINAPI PrimaryBufferImpl_Release(LPDIRECTSOUNDBUFFER iface)
 755 {
 756     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 757     DWORD ref = InterlockedDecrement(&(This->ref));
 758     TRACE("(%p) ref was %d\n", This, ref + 1);
 759
 760     if (!ref) {
 761         This->device->primary = NULL;
 762         HeapFree(GetProcessHeap(), 0, This);
 763         TRACE("(%p) released\n", This);
 764     }
 765     return ref;
 766 }
 767
 768 static HRESULT WINAPI PrimaryBufferImpl_GetCurrentPosition(
 769         LPDIRECTSOUNDBUFFER iface,LPDWORD playpos,LPDWORD writepos
 770 ) {
 771         HRESULT hres;
 772         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 773         TRACE("(%p,%p,%p)\n", iface, playpos, writepos);
 774
 775         /* **** */
 776         EnterCriticalSection(&(device->mixlock));
 777
 778         hres = DSOUND_PrimaryGetPosition(device, playpos, writepos);
 779         if (hres != DS_OK) {
 780                 WARN("DSOUND_PrimaryGetPosition failed\n");
 781                 LeaveCriticalSection(&(device->mixlock));
 782                 return hres;
 783         }
 784         if (writepos) {
 785                 if (device->state != STATE_STOPPED)
 786                         /* apply the documented 10ms lead to writepos */
 787                         *writepos += device->writelead;
 788                 while (*writepos >= device->buflen) *writepos -= device->buflen;
 789         }
 790
 791         LeaveCriticalSection(&(device->mixlock));
 792         /* **** */
 793
 794         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
 795         return DS_OK;
 796 }
 797
 798 static HRESULT WINAPI PrimaryBufferImpl_GetStatus(
 799         LPDIRECTSOUNDBUFFER iface,LPDWORD status
 800 ) {
 801         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 802         TRACE("(%p,%p)\n", iface, status);
 803
 804         if (status == NULL) {
 805                 WARN("invalid parameter: status == NULL\n");
 806                 return DSERR_INVALIDPARAM;
 807         }
 808
 809         *status = 0;
 810         if ((device->state == STATE_STARTING) ||
 811             (device->state == STATE_PLAYING))
 812                 *status |= DSBSTATUS_PLAYING | DSBSTATUS_LOOPING;
 813
 814         TRACE("status=%x\n", *status);
 815         return DS_OK;
 816 }
 817
 818
 819 static HRESULT WINAPI PrimaryBufferImpl_GetFormat(
 820     LPDIRECTSOUNDBUFFER iface,
 821     LPWAVEFORMATEX lpwf,
 822     DWORD wfsize,
 823     LPDWORD wfwritten)
 824 {
 825     DWORD size;
 826     DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 827     TRACE("(%p,%p,%d,%p)\n", iface, lpwf, wfsize, wfwritten);
 828
 829     size = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 830
 831     if (lpwf) { /* NULL is valid */
 832         if (wfsize >= size) {
 833             CopyMemory(lpwf,device->pwfx,size);
 834             if (wfwritten)
 835                 *wfwritten = size;
 836         } else {
 837             WARN("invalid parameter: wfsize too small\n");
 838             if (wfwritten)
 839                 *wfwritten = 0;
 840             return DSERR_INVALIDPARAM;
 841         }
 842     } else {
 843         if (wfwritten)
 844             *wfwritten = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 845         else {
 846             WARN("invalid parameter: wfwritten == NULL\n");
 847             return DSERR_INVALIDPARAM;
 848         }
 849     }
 850
 851     return DS_OK;
 852 }
 853
 854 static HRESULT WINAPI PrimaryBufferImpl_Lock(
 855         LPDIRECTSOUNDBUFFER iface,DWORD writecursor,DWORD writebytes,LPVOID *lplpaudioptr1,LPDWORD audiobytes1,LPVOID *lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 856 ) {
 857         HRESULT hres;
 858         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 859         TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x) at %d\n",
 860                 iface,
 861                 writecursor,
 862                 writebytes,
 863                 lplpaudioptr1,
 864                 audiobytes1,
 865                 lplpaudioptr2,
 866                 audiobytes2,
 867                 flags,
 868                 GetTickCount()
 869         );
 870
 871         if (!audiobytes1)
 872             return DSERR_INVALIDPARAM;
 873
 874         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 875                 WARN("failed priority check!\n");
 876                 return DSERR_PRIOLEVELNEEDED;
 877         }
 878
 879         /* when this flag is set, writecursor is meaningless and must be calculated */
 880         if (flags & DSBLOCK_FROMWRITECURSOR) {
 881                 /* GetCurrentPosition does too much magic to duplicate here */
 882                 hres = IDirectSoundBuffer_GetCurrentPosition(iface, NULL, &writecursor);
 883                 if (hres != DS_OK) {
 884                         WARN("IDirectSoundBuffer_GetCurrentPosition failed\n");
 885                         return hres;
 886                 }
 887         }
 888
 889         /* when this flag is set, writebytes is meaningless and must be set */
 890         if (flags & DSBLOCK_ENTIREBUFFER)
 891                 writebytes = device->buflen;
 892
 893         if (writecursor >= device->buflen) {
 894                 WARN("Invalid parameter, writecursor: %u >= buflen: %u\n",
 895                      writecursor, device->buflen);
 896                 return DSERR_INVALIDPARAM;
 897         }
 898
 899         if (writebytes > device->buflen) {
 900                 WARN("Invalid parameter, writebytes: %u > buflen: %u\n",
 901                      writebytes, device->buflen);
 902                 return DSERR_INVALIDPARAM;
 903         }
 904
 905         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
 906                 hres = IDsDriverBuffer_Lock(device->hwbuf,
 907                                             lplpaudioptr1, audiobytes1,
 908                                             lplpaudioptr2, audiobytes2,
 909                                             writecursor, writebytes,
 910                                             0);
 911                 if (hres != DS_OK) {
 912                         WARN("IDsDriverBuffer_Lock failed\n");
 913                         return hres;
 914                 }
 915         } else {
 916                 if (writecursor+writebytes <= device->buflen) {
 917                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 918                         *audiobytes1 = writebytes;
 919                         if (lplpaudioptr2)
 920                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 921                         if (audiobytes2)
 922                                 *audiobytes2 = 0;
 923                         TRACE("->%d.0\n",writebytes);
 924                 } else {
 925                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 926                         *audiobytes1 = device->buflen-writecursor;
 927                         if (lplpaudioptr2)
 928                                 *(LPBYTE*)lplpaudioptr2 = device->buffer;
 929                         if (audiobytes2)
 930                                 *audiobytes2 = writebytes-(device->buflen-writecursor);
 931                         TRACE("->%d.%d\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 932                 }
 933         }
 934         return DS_OK;
 935 }
 936
 937 static HRESULT WINAPI PrimaryBufferImpl_SetCurrentPosition(
 938         LPDIRECTSOUNDBUFFER iface,DWORD newpos
 939 ) {
 940         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 941         TRACE("(%p,%d)\n",This,newpos);
 942
 943         /* You cannot set the position of the primary buffer */
 944         WARN("invalid call\n");
 945         return DSERR_INVALIDCALL;
 946 }
 947
 948 static HRESULT WINAPI PrimaryBufferImpl_SetPan(
 949         LPDIRECTSOUNDBUFFER iface,LONG pan
 950 ) {
 951         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 952         DWORD ampfactors;
 953         HRESULT hres = DS_OK;
 954         TRACE("(%p,%d)\n", iface, pan);
 955
 956         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 957                 WARN("control unavailable\n");
 958                 return DSERR_CONTROLUNAVAIL;
 959         }
 960
 961         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 962                 WARN("invalid parameter: pan = %d\n", pan);
 963                 return DSERR_INVALIDPARAM;
 964         }
 965
 966         /* **** */
 967         EnterCriticalSection(&(device->mixlock));
 968
 969         if (!device->hwbuf)
 970         {
 971             waveOutGetVolume(device->hwo, &ampfactors);
 972             device->volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 973             device->volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 974             DSOUND_AmpFactorToVolPan(&device->volpan);
 975         }
 976         if (pan != device->volpan.lPan) {
 977             device->volpan.lPan=pan;
 978             DSOUND_RecalcVolPan(&device->volpan);
 979             if (device->hwbuf) {
 980                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &device->volpan);
 981                 if (hres != DS_OK)
 982                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 983             } else {
 984                 ampfactors = (device->volpan.dwTotalLeftAmpFactor & 0xffff) | (device->volpan.dwTotalRightAmpFactor << 16);
 985                 waveOutSetVolume(device->hwo, ampfactors);
 986             }
 987         }
 988
 989         LeaveCriticalSection(&(device->mixlock));
 990         /* **** */
 991
 992         return hres;
 993 }
 994
 995 static HRESULT WINAPI PrimaryBufferImpl_GetPan(
 996         LPDIRECTSOUNDBUFFER iface,LPLONG pan
 997 ) {
 998         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 999         DWORD ampfactors;
1000         TRACE("(%p,%p)\n", iface, pan);
1001
1002         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
1003                 WARN("control unavailable\n");
1004                 return DSERR_CONTROLUNAVAIL;
1005         }
1006
1007         if (pan == NULL) {
1008                 WARN("invalid parameter: pan == NULL\n");
1009                 return DSERR_INVALIDPARAM;
1010         }
1011
1012         if (!device->hwbuf)
1013         {
1014             waveOutGetVolume(device->hwo, &ampfactors);
1015             device->volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
1016             device->volpan.dwTotalRightAmpFactor=ampfactors >> 16;
1017             DSOUND_AmpFactorToVolPan(&device->volpan);
1018         }
1019         *pan = device->volpan.lPan;
1020         return DS_OK;
1021 }
1022
1023 static HRESULT WINAPI PrimaryBufferImpl_Unlock(
1024         LPDIRECTSOUNDBUFFER iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
1025 ) {
1026         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
1027         TRACE("(%p,%p,%d,%p,%d)\n", iface, p1, x1, p2, x2);
1028
1029         if (device->priolevel != DSSCL_WRITEPRIMARY) {
1030                 WARN("failed priority check!\n");
1031                 return DSERR_PRIOLEVELNEEDED;
1032         }
1033
1034         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
1035                 HRESULT hres;
1036
1037                 if ((char *)p1 - (char *)device->buffer + x1 > device->buflen)
1038                     hres = DSERR_INVALIDPARAM;
1039                 else
1040                     hres = IDsDriverBuffer_Unlock(device->hwbuf, p1, x1, p2, x2);
1041
1042                 if (hres != DS_OK) {
1043                         WARN("IDsDriverBuffer_Unlock failed\n");
1044                         return hres;
1045                 }
1046         }
1047
1048         return DS_OK;
1049 }
1050
1051 static HRESULT WINAPI PrimaryBufferImpl_Restore(
1052         LPDIRECTSOUNDBUFFER iface
1053 ) {
1054         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
1055         FIXME("(%p):stub\n",This);
1056         return DS_OK;
1057 }
1058
1059 static HRESULT WINAPI PrimaryBufferImpl_GetFrequency(
1060         LPDIRECTSOUNDBUFFER iface,LPDWORD freq
1061 ) {
1062         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
1063         TRACE("(%p,%p)\n", iface, freq);
1064
1065         if (freq == NULL) {
1066                 WARN("invalid parameter: freq == NULL\n");
1067                 return DSERR_INVALIDPARAM;
1068         }
1069
1070         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
1071                 WARN("control unavailable\n");
1072                 return DSERR_CONTROLUNAVAIL;
1073         }
1074
1075         *freq = device->pwfx->nSamplesPerSec;
1076         TRACE("-> %d\n", *freq);
1077
1078         return DS_OK;
1079 }
1080
1081 static HRESULT WINAPI PrimaryBufferImpl_Initialize(
1082         LPDIRECTSOUNDBUFFER iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
1083 ) {
1084         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
1085         WARN("(%p) already initialized\n", This);
1086         return DSERR_ALREADYINITIALIZED;
1087 }
1088
1089 static HRESULT WINAPI PrimaryBufferImpl_GetCaps(
1090         LPDIRECTSOUNDBUFFER iface,LPDSBCAPS caps
1091 ) {
1092         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
1093         TRACE("(%p,%p)\n", iface, caps);
1094
1095         if (caps == NULL) {
1096                 WARN("invalid parameter: caps == NULL\n");
1097                 return DSERR_INVALIDPARAM;
1098         }
1099
1100         if (caps->dwSize < sizeof(*caps)) {
1101                 WARN("invalid parameter: caps->dwSize = %d\n", caps->dwSize);
1102                 return DSERR_INVALIDPARAM;
1103         }
1104
1105         caps->dwFlags = device->dsbd.dwFlags;
1106         caps->dwBufferBytes = device->buflen;
1107
1108         /* Windows reports these as zero */
1109         caps->dwUnlockTransferRate = 0;
1110         caps->dwPlayCpuOverhead = 0;
1111
1112         return DS_OK;
1113 }
1114
1115 static HRESULT WINAPI PrimaryBufferImpl_QueryInterface(
1116         LPDIRECTSOUNDBUFFER iface,REFIID riid,LPVOID *ppobj
1117 ) {
1118         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
1119         DirectSoundDevice *device = This->device;
1120         TRACE("(%p,%s,%p)\n", iface, debugstr_guid(riid), ppobj);
1121
1122         if (ppobj == NULL) {
1123                 WARN("invalid parameter\n");
1124                 return E_INVALIDARG;
1125         }
1126
1127         *ppobj = NULL;  /* assume failure */
1128
1129         if ( IsEqualGUID(riid, &IID_IUnknown) ||
1130              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ) {
1131                 IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)This);
1132                 *ppobj = This;
1133                 return S_OK;
1134         }
1135
1136         /* DirectSoundBuffer and DirectSoundBuffer8 are different and */
1137         /* a primary buffer can't have a DirectSoundBuffer8 interface */
1138         if ( IsEqualGUID( &IID_IDirectSoundBuffer8, riid ) ) {
1139                 WARN("app requested DirectSoundBuffer8 on primary buffer\n");
1140                 return E_NOINTERFACE;
1141         }
1142
1143         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
1144                 ERR("app requested IDirectSoundNotify on primary buffer\n");
1145                 /* FIXME: should we support this? */
1146                 return E_NOINTERFACE;
1147         }
1148
1149         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
1150                 ERR("app requested IDirectSound3DBuffer on primary buffer\n");
1151                 return E_NOINTERFACE;
1152         }
1153
1154         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
1155                 if (!device->listener)
1156                         IDirectSound3DListenerImpl_Create(device, &device->listener);
1157                 if (device->listener) {
1158                         *ppobj = device->listener;
1159                         IDirectSound3DListener_AddRef((LPDIRECTSOUND3DLISTENER)*ppobj);
1160                         return S_OK;
1161                 }
1162
1163                 WARN("IID_IDirectSound3DListener failed\n");
1164                 return E_NOINTERFACE;
1165         }
1166
1167         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
1168                 FIXME("app requested IKsPropertySet on primary buffer\n");
1169                 return E_NOINTERFACE;
1170         }
1171
1172         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
1173         return E_NOINTERFACE;
1174 }
1175
1176 static const IDirectSoundBufferVtbl dspbvt =
1177 {
1178         PrimaryBufferImpl_QueryInterface,
1179         PrimaryBufferImpl_AddRef,
1180         PrimaryBufferImpl_Release,
1181         PrimaryBufferImpl_GetCaps,
1182         PrimaryBufferImpl_GetCurrentPosition,
1183         PrimaryBufferImpl_GetFormat,
1184         PrimaryBufferImpl_GetVolume,
1185         PrimaryBufferImpl_GetPan,
1186         PrimaryBufferImpl_GetFrequency,
1187         PrimaryBufferImpl_GetStatus,
1188         PrimaryBufferImpl_Initialize,
1189         PrimaryBufferImpl_Lock,
1190         PrimaryBufferImpl_Play,
1191         PrimaryBufferImpl_SetCurrentPosition,
1192         PrimaryBufferImpl_SetFormat,
1193         PrimaryBufferImpl_SetVolume,
1194         PrimaryBufferImpl_SetPan,
1195         PrimaryBufferImpl_SetFrequency,
1196         PrimaryBufferImpl_Stop,
1197         PrimaryBufferImpl_Unlock,
1198         PrimaryBufferImpl_Restore
1199 };
1200
1201 HRESULT PrimaryBufferImpl_Create(
1202         DirectSoundDevice * device,
1203         PrimaryBufferImpl ** ppdsb,
1204         LPCDSBUFFERDESC dsbd)
1205 {
1206         PrimaryBufferImpl *dsb;
1207         TRACE("%p,%p,%p)\n",device,ppdsb,dsbd);
1208
1209         if (dsbd->lpwfxFormat) {
1210                 WARN("invalid parameter: dsbd->lpwfxFormat != NULL\n");
1211                 *ppdsb = NULL;
1212                 return DSERR_INVALIDPARAM;
1213         }
1214
1215         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1216
1217         if (dsb == NULL) {
1218                 WARN("out of memory\n");
1219                 *ppdsb = NULL;
1220                 return DSERR_OUTOFMEMORY;
1221         }
1222
1223         dsb->ref = 0;
1224         dsb->device = device;
1225         dsb->lpVtbl = &dspbvt;
1226
1227         device->dsbd = *dsbd;
1228
1229         TRACE("Created primary buffer at %p\n", dsb);
1230         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
1231                 "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
1232                 device->pwfx->wFormatTag, device->pwfx->nChannels,
1233                 device->pwfx->nSamplesPerSec, device->pwfx->nAvgBytesPerSec,
1234                 device->pwfx->nBlockAlign, device->pwfx->wBitsPerSample,
1235                 device->pwfx->cbSize);
1236
1237         *ppdsb = dsb;
1238         return S_OK;
1239 }