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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  * 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 static DWORD DSOUND_GetFormatSize(LPCWAVEFORMATEX wfex)
 445 {
 446         if (wfex->wFormatTag == WAVE_FORMAT_PCM)
 447                 return sizeof(WAVEFORMATEX);
 448         else
 449                 return sizeof(WAVEFORMATEX) + wfex->cbSize;
 450 }
 451
 452 LPWAVEFORMATEX DSOUND_CopyFormat(LPCWAVEFORMATEX wfex)
 453 {
 454         DWORD size = DSOUND_GetFormatSize(wfex);
 455         LPWAVEFORMATEX pwfx = HeapAlloc(GetProcessHeap(),0,size);
 456         if (pwfx == NULL) {
 457                 WARN("out of memory\n");
 458         } else if (wfex->wFormatTag != WAVE_FORMAT_PCM) {
 459                 CopyMemory(pwfx, wfex, size);
 460         } else {
 461                 CopyMemory(pwfx, wfex, sizeof(PCMWAVEFORMAT));
 462                 pwfx->cbSize=0;
 463                 if (pwfx->nBlockAlign != pwfx->nChannels * pwfx->wBitsPerSample/8) {
 464                         WARN("Fixing bad nBlockAlign (%u)\n", pwfx->nBlockAlign);
 465                         pwfx->nBlockAlign  = pwfx->nChannels * pwfx->wBitsPerSample/8;
 466                 }
 467                 if (pwfx->nAvgBytesPerSec != pwfx->nSamplesPerSec * pwfx->nBlockAlign) {
 468                         WARN("Fixing bad nAvgBytesPerSec (%u)\n", pwfx->nAvgBytesPerSec);
 469                         pwfx->nAvgBytesPerSec  = pwfx->nSamplesPerSec * pwfx->nBlockAlign;
 470                 }
 471         }
 472         return pwfx;
 473 }
 474
 475 static HRESULT DSOUND_PrimarySetFormat(DirectSoundDevice *device, LPCWAVEFORMATEX wfex, BOOL forced)
 476 {
 477         HRESULT err = DSERR_BUFFERLOST;
 478         int i;
 479         DWORD nSamplesPerSec, bpp, chans;
 480         LPWAVEFORMATEX oldpwfx;
 481         TRACE("(%p,%p)\n", device, wfex);
 482
 483         if (device->priolevel == DSSCL_NORMAL) {
 484                 WARN("failed priority check!\n");
 485                 return DSERR_PRIOLEVELNEEDED;
 486         }
 487
 488         /* Let's be pedantic! */
 489         if (wfex == NULL) {
 490                 WARN("invalid parameter: wfex==NULL!\n");
 491                 return DSERR_INVALIDPARAM;
 492         }
 493         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
 494               "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
 495               wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
 496               wfex->nAvgBytesPerSec, wfex->nBlockAlign,
 497               wfex->wBitsPerSample, wfex->cbSize);
 498
 499         /* **** */
 500         RtlAcquireResourceExclusive(&(device->buffer_list_lock), TRUE);
 501         EnterCriticalSection(&(device->mixlock));
 502
 503         nSamplesPerSec = device->pwfx->nSamplesPerSec;
 504         bpp = device->pwfx->wBitsPerSample;
 505         chans = device->pwfx->nChannels;
 506
 507         oldpwfx = device->pwfx;
 508         device->pwfx = DSOUND_CopyFormat(wfex);
 509         if (device->pwfx == NULL) {
 510                 device->pwfx = oldpwfx;
 511                 oldpwfx = NULL;
 512                 err = DSERR_OUTOFMEMORY;
 513                 goto done;
 514         }
 515
 516         if (!(device->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMSETFORMAT) && device->hwbuf) {
 517                 err = IDsDriverBuffer_SetFormat(device->hwbuf, device->pwfx);
 518
 519                 /* On bad format, try to re-create, big chance it will work then, only do this if we <HAVE> to */
 520                 if (forced && (device->pwfx->nSamplesPerSec/100 != wfex->nSamplesPerSec/100 || err == DSERR_BADFORMAT))
 521                 {
 522                         DWORD cp_size = wfex->wFormatTag == WAVE_FORMAT_PCM ?
 523                                 sizeof(PCMWAVEFORMAT) : sizeof(WAVEFORMATEX) + wfex->cbSize;
 524                         err = DSERR_BUFFERLOST;
 525                         CopyMemory(device->pwfx, wfex, cp_size);
 526                 }
 527
 528                 if (err != DSERR_BUFFERLOST && FAILED(err)) {
 529                         DWORD size = DSOUND_GetFormatSize(oldpwfx);
 530                         WARN("IDsDriverBuffer_SetFormat failed\n");
 531                         if (!forced) {
 532                                 CopyMemory(device->pwfx, oldpwfx, size);
 533                                 err = DS_OK;
 534                         }
 535                         goto done;
 536                 }
 537
 538                 if (err == S_FALSE)
 539                 {
 540                         /* ALSA specific: S_FALSE tells that recreation was successful,
 541                          * but size and location may be changed, and buffer has to be restarted
 542                          * I put it here, so if frequency doesn't match the error will be changed to DSERR_BUFFERLOST
 543                          * and the entire re-initialization will occur anyway
 544                          */
 545                         IDsDriverBuffer_Lock(device->hwbuf, (LPVOID *)&device->buffer, &device->buflen, NULL, NULL, 0, 0, DSBLOCK_ENTIREBUFFER);
 546                         IDsDriverBuffer_Unlock(device->hwbuf, device->buffer, 0, NULL, 0);
 547
 548                         if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
 549                         else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
 550                         device->pwplay = device->pwqueue = device->playpos = device->mixpos = 0;
 551                         err = DS_OK;
 552                 }
 553                 DSOUND_RecalcPrimary(device);
 554         }
 555
 556         if (err == DSERR_BUFFERLOST)
 557         {
 558                 DSOUND_PrimaryClose(device);
 559
 560                 err = DSOUND_ReopenDevice(device, FALSE);
 561                 if (FAILED(err))
 562                 {
 563                         WARN("DSOUND_ReopenDevice failed: %08x\n", err);
 564                         goto done;
 565                 }
 566                 err = DSOUND_PrimaryOpen(device);
 567                 if (err != DS_OK) {
 568                         WARN("DSOUND_PrimaryOpen failed\n");
 569                         goto done;
 570                 }
 571
 572                 if (wfex->nSamplesPerSec/100 != device->pwfx->nSamplesPerSec/100 && forced && device->buffer)
 573                 {
 574                         DSOUND_PrimaryClose(device);
 575                         device->pwfx->nSamplesPerSec = wfex->nSamplesPerSec;
 576                         err = DSOUND_ReopenDevice(device, TRUE);
 577                         if (FAILED(err))
 578                                 WARN("DSOUND_ReopenDevice(2) failed: %08x\n", err);
 579                         else if (FAILED((err = DSOUND_PrimaryOpen(device))))
 580                                 WARN("DSOUND_PrimaryOpen(2) failed: %08x\n", err);
 581                 }
 582         }
 583
 584         device->mix_buffer_len = DSOUND_bufpos_to_mixpos(device, device->buflen);
 585         device->mix_buffer = HeapReAlloc(GetProcessHeap(), 0, device->mix_buffer, device->mix_buffer_len);
 586         FillMemory(device->mix_buffer, device->mix_buffer_len, 0);
 587         device->mixfunction = mixfunctions[device->pwfx->wBitsPerSample/8 - 1];
 588         device->normfunction = normfunctions[device->pwfx->wBitsPerSample/8 - 1];
 589
 590         if (nSamplesPerSec != device->pwfx->nSamplesPerSec || bpp != device->pwfx->wBitsPerSample || chans != device->pwfx->nChannels) {
 591                 IDirectSoundBufferImpl** dsb = device->buffers;
 592                 for (i = 0; i < device->nrofbuffers; i++, dsb++) {
 593                         /* **** */
 594                         RtlAcquireResourceExclusive(&(*dsb)->lock, TRUE);
 595
 596                         (*dsb)->freqAdjust = ((DWORD64)(*dsb)->freq << DSOUND_FREQSHIFT) / device->pwfx->nSamplesPerSec;
 597                         DSOUND_RecalcFormat((*dsb));
 598                         DSOUND_MixToTemporary((*dsb), 0, (*dsb)->buflen, FALSE);
 599                         (*dsb)->primary_mixpos = 0;
 600
 601                         RtlReleaseResource(&(*dsb)->lock);
 602                         /* **** */
 603                 }
 604         }
 605
 606 done:
 607         LeaveCriticalSection(&(device->mixlock));
 608         RtlReleaseResource(&(device->buffer_list_lock));
 609         /* **** */
 610
 611         HeapFree(GetProcessHeap(), 0, oldpwfx);
 612         return err;
 613 }
 614
 615 /*******************************************************************************
 616  *              PrimaryBuffer
 617  */
 618 /* This sets this format for the <em>Primary Buffer Only</em> */
 619 /* See file:///cdrom/sdk52/docs/worddoc/dsound.doc page 120 */
 620 static HRESULT WINAPI PrimaryBufferImpl_SetFormat(
 621     LPDIRECTSOUNDBUFFER iface,
 622     LPCWAVEFORMATEX wfex)
 623 {
 624     DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 625     TRACE("(%p,%p)\n", iface, wfex);
 626     return DSOUND_PrimarySetFormat(device, wfex, device->priolevel == DSSCL_WRITEPRIMARY);
 627 }
 628
 629 static HRESULT WINAPI PrimaryBufferImpl_SetVolume(
 630         LPDIRECTSOUNDBUFFER iface,LONG vol
 631 ) {
 632         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 633         DWORD ampfactors;
 634         HRESULT hres = DS_OK;
 635         TRACE("(%p,%d)\n", iface, vol);
 636
 637         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 638                 WARN("control unavailable\n");
 639                 return DSERR_CONTROLUNAVAIL;
 640         }
 641
 642         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 643                 WARN("invalid parameter: vol = %d\n", vol);
 644                 return DSERR_INVALIDPARAM;
 645         }
 646
 647         /* **** */
 648         EnterCriticalSection(&(device->mixlock));
 649
 650         waveOutGetVolume(device->hwo, &ampfactors);
 651         device->volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 652         device->volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 653         DSOUND_AmpFactorToVolPan(&device->volpan);
 654         if (vol != device->volpan.lVolume) {
 655             device->volpan.lVolume=vol;
 656             DSOUND_RecalcVolPan(&device->volpan);
 657             if (device->hwbuf) {
 658                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &device->volpan);
 659                 if (hres != DS_OK)
 660                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 661             } else {
 662                 ampfactors = (device->volpan.dwTotalLeftAmpFactor & 0xffff) | (device->volpan.dwTotalRightAmpFactor << 16);
 663                 waveOutSetVolume(device->hwo, ampfactors);
 664             }
 665         }
 666
 667         LeaveCriticalSection(&(device->mixlock));
 668         /* **** */
 669
 670         return hres;
 671 }
 672
 673 static HRESULT WINAPI PrimaryBufferImpl_GetVolume(
 674         LPDIRECTSOUNDBUFFER iface,LPLONG vol
 675 ) {
 676         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 677         DWORD ampfactors;
 678         TRACE("(%p,%p)\n", iface, vol);
 679
 680         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 681                 WARN("control unavailable\n");
 682                 return DSERR_CONTROLUNAVAIL;
 683         }
 684
 685         if (vol == NULL) {
 686                 WARN("invalid parameter: vol = NULL\n");
 687                 return DSERR_INVALIDPARAM;
 688         }
 689
 690         if (!device->hwbuf)
 691         {
 692             waveOutGetVolume(device->hwo, &ampfactors);
 693             device->volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 694             device->volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 695             DSOUND_AmpFactorToVolPan(&device->volpan);
 696         }
 697         *vol = device->volpan.lVolume;
 698         return DS_OK;
 699 }
 700
 701 static HRESULT WINAPI PrimaryBufferImpl_SetFrequency(
 702         LPDIRECTSOUNDBUFFER iface,DWORD freq
 703 ) {
 704         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 705         TRACE("(%p,%d)\n",This,freq);
 706
 707         /* You cannot set the frequency of the primary buffer */
 708         WARN("control unavailable\n");
 709         return DSERR_CONTROLUNAVAIL;
 710 }
 711
 712 static HRESULT WINAPI PrimaryBufferImpl_Play(
 713         LPDIRECTSOUNDBUFFER iface,DWORD reserved1,DWORD reserved2,DWORD flags
 714 ) {
 715         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 716         TRACE("(%p,%08x,%08x,%08x)\n", iface, reserved1, reserved2, flags);
 717
 718         if (!(flags & DSBPLAY_LOOPING)) {
 719                 WARN("invalid parameter: flags = %08x\n", flags);
 720                 return DSERR_INVALIDPARAM;
 721         }
 722
 723         /* **** */
 724         EnterCriticalSection(&(device->mixlock));
 725
 726         if (device->state == STATE_STOPPED)
 727                 device->state = STATE_STARTING;
 728         else if (device->state == STATE_STOPPING)
 729                 device->state = STATE_PLAYING;
 730
 731         LeaveCriticalSection(&(device->mixlock));
 732         /* **** */
 733
 734         return DS_OK;
 735 }
 736
 737 static HRESULT WINAPI PrimaryBufferImpl_Stop(LPDIRECTSOUNDBUFFER iface)
 738 {
 739         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 740         TRACE("(%p)\n", iface);
 741
 742         /* **** */
 743         EnterCriticalSection(&(device->mixlock));
 744
 745         if (device->state == STATE_PLAYING)
 746                 device->state = STATE_STOPPING;
 747         else if (device->state == STATE_STARTING)
 748                 device->state = STATE_STOPPED;
 749
 750         LeaveCriticalSection(&(device->mixlock));
 751         /* **** */
 752
 753         return DS_OK;
 754 }
 755
 756 static ULONG WINAPI PrimaryBufferImpl_AddRef(LPDIRECTSOUNDBUFFER iface)
 757 {
 758     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 759     ULONG ref = InterlockedIncrement(&(This->ref));
 760     TRACE("(%p) ref was %d\n", This, ref - 1);
 761     return ref;
 762 }
 763
 764 static ULONG WINAPI PrimaryBufferImpl_Release(LPDIRECTSOUNDBUFFER iface)
 765 {
 766     PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 767     DWORD ref = InterlockedDecrement(&(This->ref));
 768     TRACE("(%p) ref was %d\n", This, ref + 1);
 769
 770     if (!ref) {
 771         This->device->primary = NULL;
 772         HeapFree(GetProcessHeap(), 0, This);
 773         TRACE("(%p) released\n", This);
 774     }
 775     return ref;
 776 }
 777
 778 static HRESULT WINAPI PrimaryBufferImpl_GetCurrentPosition(
 779         LPDIRECTSOUNDBUFFER iface,LPDWORD playpos,LPDWORD writepos
 780 ) {
 781         HRESULT hres;
 782         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 783         TRACE("(%p,%p,%p)\n", iface, playpos, writepos);
 784
 785         /* **** */
 786         EnterCriticalSection(&(device->mixlock));
 787
 788         hres = DSOUND_PrimaryGetPosition(device, playpos, writepos);
 789         if (hres != DS_OK) {
 790                 WARN("DSOUND_PrimaryGetPosition failed\n");
 791                 LeaveCriticalSection(&(device->mixlock));
 792                 return hres;
 793         }
 794         if (writepos) {
 795                 if (device->state != STATE_STOPPED)
 796                         /* apply the documented 10ms lead to writepos */
 797                         *writepos += device->writelead;
 798                 while (*writepos >= device->buflen) *writepos -= device->buflen;
 799         }
 800
 801         LeaveCriticalSection(&(device->mixlock));
 802         /* **** */
 803
 804         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
 805         return DS_OK;
 806 }
 807
 808 static HRESULT WINAPI PrimaryBufferImpl_GetStatus(
 809         LPDIRECTSOUNDBUFFER iface,LPDWORD status
 810 ) {
 811         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 812         TRACE("(%p,%p)\n", iface, status);
 813
 814         if (status == NULL) {
 815                 WARN("invalid parameter: status == NULL\n");
 816                 return DSERR_INVALIDPARAM;
 817         }
 818
 819         *status = 0;
 820         if ((device->state == STATE_STARTING) ||
 821             (device->state == STATE_PLAYING))
 822                 *status |= DSBSTATUS_PLAYING | DSBSTATUS_LOOPING;
 823
 824         TRACE("status=%x\n", *status);
 825         return DS_OK;
 826 }
 827
 828
 829 static HRESULT WINAPI PrimaryBufferImpl_GetFormat(
 830     LPDIRECTSOUNDBUFFER iface,
 831     LPWAVEFORMATEX lpwf,
 832     DWORD wfsize,
 833     LPDWORD wfwritten)
 834 {
 835     DWORD size;
 836     DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 837     TRACE("(%p,%p,%d,%p)\n", iface, lpwf, wfsize, wfwritten);
 838
 839     size = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 840
 841     if (lpwf) { /* NULL is valid */
 842         if (wfsize >= size) {
 843             CopyMemory(lpwf,device->pwfx,size);
 844             if (wfwritten)
 845                 *wfwritten = size;
 846         } else {
 847             WARN("invalid parameter: wfsize too small\n");
 848             if (wfwritten)
 849                 *wfwritten = 0;
 850             return DSERR_INVALIDPARAM;
 851         }
 852     } else {
 853         if (wfwritten)
 854             *wfwritten = sizeof(WAVEFORMATEX) + device->pwfx->cbSize;
 855         else {
 856             WARN("invalid parameter: wfwritten == NULL\n");
 857             return DSERR_INVALIDPARAM;
 858         }
 859     }
 860
 861     return DS_OK;
 862 }
 863
 864 static HRESULT WINAPI PrimaryBufferImpl_Lock(
 865         LPDIRECTSOUNDBUFFER iface,DWORD writecursor,DWORD writebytes,LPVOID *lplpaudioptr1,LPDWORD audiobytes1,LPVOID *lplpaudioptr2,LPDWORD audiobytes2,DWORD flags
 866 ) {
 867         HRESULT hres;
 868         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 869         TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x) at %d\n",
 870                 iface,
 871                 writecursor,
 872                 writebytes,
 873                 lplpaudioptr1,
 874                 audiobytes1,
 875                 lplpaudioptr2,
 876                 audiobytes2,
 877                 flags,
 878                 GetTickCount()
 879         );
 880
 881         if (!audiobytes1)
 882             return DSERR_INVALIDPARAM;
 883
 884         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 885                 WARN("failed priority check!\n");
 886                 return DSERR_PRIOLEVELNEEDED;
 887         }
 888
 889         /* when this flag is set, writecursor is meaningless and must be calculated */
 890         if (flags & DSBLOCK_FROMWRITECURSOR) {
 891                 /* GetCurrentPosition does too much magic to duplicate here */
 892                 hres = IDirectSoundBuffer_GetCurrentPosition(iface, NULL, &writecursor);
 893                 if (hres != DS_OK) {
 894                         WARN("IDirectSoundBuffer_GetCurrentPosition failed\n");
 895                         return hres;
 896                 }
 897         }
 898
 899         /* when this flag is set, writebytes is meaningless and must be set */
 900         if (flags & DSBLOCK_ENTIREBUFFER)
 901                 writebytes = device->buflen;
 902
 903         if (writecursor >= device->buflen) {
 904                 WARN("Invalid parameter, writecursor: %u >= buflen: %u\n",
 905                      writecursor, device->buflen);
 906                 return DSERR_INVALIDPARAM;
 907         }
 908
 909         if (writebytes > device->buflen) {
 910                 WARN("Invalid parameter, writebytes: %u > buflen: %u\n",
 911                      writebytes, device->buflen);
 912                 return DSERR_INVALIDPARAM;
 913         }
 914
 915         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
 916                 hres = IDsDriverBuffer_Lock(device->hwbuf,
 917                                             lplpaudioptr1, audiobytes1,
 918                                             lplpaudioptr2, audiobytes2,
 919                                             writecursor, writebytes,
 920                                             0);
 921                 if (hres != DS_OK) {
 922                         WARN("IDsDriverBuffer_Lock failed\n");
 923                         return hres;
 924                 }
 925         } else {
 926                 if (writecursor+writebytes <= device->buflen) {
 927                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 928                         *audiobytes1 = writebytes;
 929                         if (lplpaudioptr2)
 930                                 *(LPBYTE*)lplpaudioptr2 = NULL;
 931                         if (audiobytes2)
 932                                 *audiobytes2 = 0;
 933                         TRACE("->%d.0\n",writebytes);
 934                 } else {
 935                         *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 936                         *audiobytes1 = device->buflen-writecursor;
 937                         if (lplpaudioptr2)
 938                                 *(LPBYTE*)lplpaudioptr2 = device->buffer;
 939                         if (audiobytes2)
 940                                 *audiobytes2 = writebytes-(device->buflen-writecursor);
 941                         TRACE("->%d.%d\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 942                 }
 943         }
 944         return DS_OK;
 945 }
 946
 947 static HRESULT WINAPI PrimaryBufferImpl_SetCurrentPosition(
 948         LPDIRECTSOUNDBUFFER iface,DWORD newpos
 949 ) {
 950         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
 951         TRACE("(%p,%d)\n",This,newpos);
 952
 953         /* You cannot set the position of the primary buffer */
 954         WARN("invalid call\n");
 955         return DSERR_INVALIDCALL;
 956 }
 957
 958 static HRESULT WINAPI PrimaryBufferImpl_SetPan(
 959         LPDIRECTSOUNDBUFFER iface,LONG pan
 960 ) {
 961         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
 962         DWORD ampfactors;
 963         HRESULT hres = DS_OK;
 964         TRACE("(%p,%d)\n", iface, pan);
 965
 966         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 967                 WARN("control unavailable\n");
 968                 return DSERR_CONTROLUNAVAIL;
 969         }
 970
 971         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 972                 WARN("invalid parameter: pan = %d\n", pan);
 973                 return DSERR_INVALIDPARAM;
 974         }
 975
 976         /* **** */
 977         EnterCriticalSection(&(device->mixlock));
 978
 979         if (!device->hwbuf)
 980         {
 981             waveOutGetVolume(device->hwo, &ampfactors);
 982             device->volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
 983             device->volpan.dwTotalRightAmpFactor=ampfactors >> 16;
 984             DSOUND_AmpFactorToVolPan(&device->volpan);
 985         }
 986         if (pan != device->volpan.lPan) {
 987             device->volpan.lPan=pan;
 988             DSOUND_RecalcVolPan(&device->volpan);
 989             if (device->hwbuf) {
 990                 hres = IDsDriverBuffer_SetVolumePan(device->hwbuf, &device->volpan);
 991                 if (hres != DS_OK)
 992                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
 993             } else {
 994                 ampfactors = (device->volpan.dwTotalLeftAmpFactor & 0xffff) | (device->volpan.dwTotalRightAmpFactor << 16);
 995                 waveOutSetVolume(device->hwo, ampfactors);
 996             }
 997         }
 998
 999         LeaveCriticalSection(&(device->mixlock));
1000         /* **** */
1001
1002         return hres;
1003 }
1004
1005 static HRESULT WINAPI PrimaryBufferImpl_GetPan(
1006         LPDIRECTSOUNDBUFFER iface,LPLONG pan
1007 ) {
1008         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
1009         DWORD ampfactors;
1010         TRACE("(%p,%p)\n", iface, pan);
1011
1012         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
1013                 WARN("control unavailable\n");
1014                 return DSERR_CONTROLUNAVAIL;
1015         }
1016
1017         if (pan == NULL) {
1018                 WARN("invalid parameter: pan == NULL\n");
1019                 return DSERR_INVALIDPARAM;
1020         }
1021
1022         if (!device->hwbuf)
1023         {
1024             waveOutGetVolume(device->hwo, &ampfactors);
1025             device->volpan.dwTotalLeftAmpFactor=ampfactors & 0xffff;
1026             device->volpan.dwTotalRightAmpFactor=ampfactors >> 16;
1027             DSOUND_AmpFactorToVolPan(&device->volpan);
1028         }
1029         *pan = device->volpan.lPan;
1030         return DS_OK;
1031 }
1032
1033 static HRESULT WINAPI PrimaryBufferImpl_Unlock(
1034         LPDIRECTSOUNDBUFFER iface,LPVOID p1,DWORD x1,LPVOID p2,DWORD x2
1035 ) {
1036         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
1037         TRACE("(%p,%p,%d,%p,%d)\n", iface, p1, x1, p2, x2);
1038
1039         if (device->priolevel != DSSCL_WRITEPRIMARY) {
1040                 WARN("failed priority check!\n");
1041                 return DSERR_PRIOLEVELNEEDED;
1042         }
1043
1044         if (!(device->drvdesc.dwFlags & DSDDESC_DONTNEEDPRIMARYLOCK) && device->hwbuf) {
1045                 HRESULT hres;
1046
1047                 if ((char *)p1 - (char *)device->buffer + x1 > device->buflen)
1048                     hres = DSERR_INVALIDPARAM;
1049                 else
1050                     hres = IDsDriverBuffer_Unlock(device->hwbuf, p1, x1, p2, x2);
1051
1052                 if (hres != DS_OK) {
1053                         WARN("IDsDriverBuffer_Unlock failed\n");
1054                         return hres;
1055                 }
1056         }
1057
1058         return DS_OK;
1059 }
1060
1061 static HRESULT WINAPI PrimaryBufferImpl_Restore(
1062         LPDIRECTSOUNDBUFFER iface
1063 ) {
1064         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
1065         FIXME("(%p):stub\n",This);
1066         return DS_OK;
1067 }
1068
1069 static HRESULT WINAPI PrimaryBufferImpl_GetFrequency(
1070         LPDIRECTSOUNDBUFFER iface,LPDWORD freq
1071 ) {
1072         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
1073         TRACE("(%p,%p)\n", iface, freq);
1074
1075         if (freq == NULL) {
1076                 WARN("invalid parameter: freq == NULL\n");
1077                 return DSERR_INVALIDPARAM;
1078         }
1079
1080         if (!(device->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
1081                 WARN("control unavailable\n");
1082                 return DSERR_CONTROLUNAVAIL;
1083         }
1084
1085         *freq = device->pwfx->nSamplesPerSec;
1086         TRACE("-> %d\n", *freq);
1087
1088         return DS_OK;
1089 }
1090
1091 static HRESULT WINAPI PrimaryBufferImpl_Initialize(
1092         LPDIRECTSOUNDBUFFER iface,LPDIRECTSOUND dsound,LPCDSBUFFERDESC dbsd
1093 ) {
1094         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
1095         WARN("(%p) already initialized\n", This);
1096         return DSERR_ALREADYINITIALIZED;
1097 }
1098
1099 static HRESULT WINAPI PrimaryBufferImpl_GetCaps(
1100         LPDIRECTSOUNDBUFFER iface,LPDSBCAPS caps
1101 ) {
1102         DirectSoundDevice *device = ((PrimaryBufferImpl *)iface)->device;
1103         TRACE("(%p,%p)\n", iface, caps);
1104
1105         if (caps == NULL) {
1106                 WARN("invalid parameter: caps == NULL\n");
1107                 return DSERR_INVALIDPARAM;
1108         }
1109
1110         if (caps->dwSize < sizeof(*caps)) {
1111                 WARN("invalid parameter: caps->dwSize = %d\n", caps->dwSize);
1112                 return DSERR_INVALIDPARAM;
1113         }
1114
1115         caps->dwFlags = device->dsbd.dwFlags;
1116         caps->dwBufferBytes = device->buflen;
1117
1118         /* Windows reports these as zero */
1119         caps->dwUnlockTransferRate = 0;
1120         caps->dwPlayCpuOverhead = 0;
1121
1122         return DS_OK;
1123 }
1124
1125 static HRESULT WINAPI PrimaryBufferImpl_QueryInterface(
1126         LPDIRECTSOUNDBUFFER iface,REFIID riid,LPVOID *ppobj
1127 ) {
1128         PrimaryBufferImpl *This = (PrimaryBufferImpl *)iface;
1129         DirectSoundDevice *device = This->device;
1130         TRACE("(%p,%s,%p)\n", iface, debugstr_guid(riid), ppobj);
1131
1132         if (ppobj == NULL) {
1133                 WARN("invalid parameter\n");
1134                 return E_INVALIDARG;
1135         }
1136
1137         *ppobj = NULL;  /* assume failure */
1138
1139         if ( IsEqualGUID(riid, &IID_IUnknown) ||
1140              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ) {
1141                 IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER)This);
1142                 *ppobj = This;
1143                 return S_OK;
1144         }
1145
1146         /* DirectSoundBuffer and DirectSoundBuffer8 are different and */
1147         /* a primary buffer can't have a DirectSoundBuffer8 interface */
1148         if ( IsEqualGUID( &IID_IDirectSoundBuffer8, riid ) ) {
1149                 WARN("app requested DirectSoundBuffer8 on primary buffer\n");
1150                 return E_NOINTERFACE;
1151         }
1152
1153         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
1154                 ERR("app requested IDirectSoundNotify on primary buffer\n");
1155                 /* FIXME: should we support this? */
1156                 return E_NOINTERFACE;
1157         }
1158
1159         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
1160                 ERR("app requested IDirectSound3DBuffer on primary buffer\n");
1161                 return E_NOINTERFACE;
1162         }
1163
1164         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
1165                 if (!device->listener)
1166                         IDirectSound3DListenerImpl_Create(device, &device->listener);
1167                 if (device->listener) {
1168                         *ppobj = device->listener;
1169                         IDirectSound3DListener_AddRef((LPDIRECTSOUND3DLISTENER)*ppobj);
1170                         return S_OK;
1171                 }
1172
1173                 WARN("IID_IDirectSound3DListener failed\n");
1174                 return E_NOINTERFACE;
1175         }
1176
1177         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
1178                 FIXME("app requested IKsPropertySet on primary buffer\n");
1179                 return E_NOINTERFACE;
1180         }
1181
1182         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
1183         return E_NOINTERFACE;
1184 }
1185
1186 static const IDirectSoundBufferVtbl dspbvt =
1187 {
1188         PrimaryBufferImpl_QueryInterface,
1189         PrimaryBufferImpl_AddRef,
1190         PrimaryBufferImpl_Release,
1191         PrimaryBufferImpl_GetCaps,
1192         PrimaryBufferImpl_GetCurrentPosition,
1193         PrimaryBufferImpl_GetFormat,
1194         PrimaryBufferImpl_GetVolume,
1195         PrimaryBufferImpl_GetPan,
1196         PrimaryBufferImpl_GetFrequency,
1197         PrimaryBufferImpl_GetStatus,
1198         PrimaryBufferImpl_Initialize,
1199         PrimaryBufferImpl_Lock,
1200         PrimaryBufferImpl_Play,
1201         PrimaryBufferImpl_SetCurrentPosition,
1202         PrimaryBufferImpl_SetFormat,
1203         PrimaryBufferImpl_SetVolume,
1204         PrimaryBufferImpl_SetPan,
1205         PrimaryBufferImpl_SetFrequency,
1206         PrimaryBufferImpl_Stop,
1207         PrimaryBufferImpl_Unlock,
1208         PrimaryBufferImpl_Restore
1209 };
1210
1211 HRESULT PrimaryBufferImpl_Create(
1212         DirectSoundDevice * device,
1213         PrimaryBufferImpl ** ppdsb,
1214         LPCDSBUFFERDESC dsbd)
1215 {
1216         PrimaryBufferImpl *dsb;
1217         TRACE("%p,%p,%p)\n",device,ppdsb,dsbd);
1218
1219         if (dsbd->lpwfxFormat) {
1220                 WARN("invalid parameter: dsbd->lpwfxFormat != NULL\n");
1221                 *ppdsb = NULL;
1222                 return DSERR_INVALIDPARAM;
1223         }
1224
1225         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1226
1227         if (dsb == NULL) {
1228                 WARN("out of memory\n");
1229                 *ppdsb = NULL;
1230                 return DSERR_OUTOFMEMORY;
1231         }
1232
1233         dsb->ref = 0;
1234         dsb->device = device;
1235         dsb->lpVtbl = &dspbvt;
1236
1237         device->dsbd = *dsbd;
1238
1239         TRACE("Created primary buffer at %p\n", dsb);
1240         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
1241                 "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
1242                 device->pwfx->wFormatTag, device->pwfx->nChannels,
1243                 device->pwfx->nSamplesPerSec, device->pwfx->nAvgBytesPerSec,
1244                 device->pwfx->nBlockAlign, device->pwfx->wBitsPerSample,
1245                 device->pwfx->cbSize);
1246
1247         *ppdsb = dsb;
1248         return S_OK;
1249 }