reactos/dll/directx/wine/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 "dsound_private.h"
  27
  28 static DWORD DSOUND_fraglen(DirectSoundDevice *device)
  29 {
  30     REFERENCE_TIME period;
  31     HRESULT hr;
  32     DWORD ret;
  33
  34     hr = IAudioClient_GetDevicePeriod(device->client, &period, NULL);
  35     if(FAILED(hr)){
  36         /* just guess at 10ms */
  37         WARN("GetDevicePeriod failed: %08x\n", hr);
  38         ret = MulDiv(device->pwfx->nBlockAlign, device->pwfx->nSamplesPerSec, 100);
  39     }else
  40         ret = MulDiv(device->pwfx->nSamplesPerSec * device->pwfx->nBlockAlign, period, 10000000);
  41
  42     ret -= ret % device->pwfx->nBlockAlign;
  43     return ret;
  44 }
  45
  46 static HRESULT DSOUND_WaveFormat(DirectSoundDevice *device, IAudioClient *client,
  47                                  BOOL forcewave, WAVEFORMATEX **wfx)
  48 {
  49     WAVEFORMATEXTENSIBLE *retwfe = NULL;
  50     WAVEFORMATEX *w;
  51     HRESULT hr;
  52
  53     if (!forcewave) {
  54         WAVEFORMATEXTENSIBLE *mixwfe;
  55         hr = IAudioClient_GetMixFormat(client, (WAVEFORMATEX**)&mixwfe);
  56
  57         if (FAILED(hr))
  58             return hr;
  59
  60         if (mixwfe->Format.nChannels > 2) {
  61             static int once;
  62             if (!once++)
  63                 FIXME("Limiting channels to 2 due to lack of multichannel support\n");
  64
  65             mixwfe->Format.nChannels = 2;
  66             mixwfe->Format.nBlockAlign = mixwfe->Format.nChannels * mixwfe->Format.wBitsPerSample / 8;
  67             mixwfe->Format.nAvgBytesPerSec = mixwfe->Format.nSamplesPerSec * mixwfe->Format.nBlockAlign;
  68             mixwfe->dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT;
  69         }
  70
  71         if (!IsEqualGUID(&mixwfe->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)) {
  72             WAVEFORMATEXTENSIBLE testwfe = *mixwfe;
  73
  74             testwfe.SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
  75             testwfe.Samples.wValidBitsPerSample = testwfe.Format.wBitsPerSample = 32;
  76             testwfe.Format.nBlockAlign = testwfe.Format.nChannels * testwfe.Format.wBitsPerSample / 8;
  77             testwfe.Format.nAvgBytesPerSec = testwfe.Format.nSamplesPerSec * testwfe.Format.nBlockAlign;
  78
  79             if (FAILED(IAudioClient_IsFormatSupported(client, AUDCLNT_SHAREMODE_SHARED, &testwfe.Format, (WAVEFORMATEX**)&retwfe)))
  80                 w = DSOUND_CopyFormat(&mixwfe->Format);
  81             else if (retwfe)
  82                 w = DSOUND_CopyFormat(&retwfe->Format);
  83             else
  84                 w = DSOUND_CopyFormat(&testwfe.Format);
  85             CoTaskMemFree(retwfe);
  86             retwfe = NULL;
  87         } else
  88             w = DSOUND_CopyFormat(&mixwfe->Format);
  89         CoTaskMemFree(mixwfe);
  90     } else if (device->primary_pwfx->wFormatTag == WAVE_FORMAT_PCM ||
  91                device->primary_pwfx->wFormatTag == WAVE_FORMAT_IEEE_FLOAT) {
  92         WAVEFORMATEX *wi = device->primary_pwfx;
  93         WAVEFORMATEXTENSIBLE *wfe;
  94
  95         /* Convert to WAVEFORMATEXTENSIBLE */
  96         w = HeapAlloc(GetProcessHeap(), 0, sizeof(WAVEFORMATEXTENSIBLE));
  97         wfe = (WAVEFORMATEXTENSIBLE*)w;
  98         if (!wfe)
  99             return DSERR_OUTOFMEMORY;
 100
 101         wfe->Format = *wi;
 102         w->wFormatTag = WAVE_FORMAT_EXTENSIBLE;
 103         w->cbSize = sizeof(*wfe) - sizeof(*w);
 104         w->nBlockAlign = w->nChannels * w->wBitsPerSample / 8;
 105         w->nAvgBytesPerSec = w->nSamplesPerSec * w->nBlockAlign;
 106
 107         wfe->dwChannelMask = 0;
 108         if (wi->wFormatTag == WAVE_FORMAT_IEEE_FLOAT) {
 109             w->wBitsPerSample = 32;
 110             wfe->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
 111         } else
 112             wfe->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
 113         wfe->Samples.wValidBitsPerSample = w->wBitsPerSample;
 114     } else
 115         w = DSOUND_CopyFormat(device->primary_pwfx);
 116
 117     if (!w)
 118         return DSERR_OUTOFMEMORY;
 119
 120     hr = IAudioClient_IsFormatSupported(client, AUDCLNT_SHAREMODE_SHARED, w, (WAVEFORMATEX**)&retwfe);
 121     if (retwfe) {
 122         memcpy(w, retwfe, sizeof(WAVEFORMATEX) + retwfe->Format.cbSize);
 123         CoTaskMemFree(retwfe);
 124     }
 125     if (FAILED(hr)) {
 126         WARN("IsFormatSupported failed: %08x\n", hr);
 127         HeapFree(GetProcessHeap(), 0, w);
 128         return hr;
 129     }
 130     *wfx = w;
 131     return S_OK;
 132 }
 133
 134 HRESULT DSOUND_ReopenDevice(DirectSoundDevice *device, BOOL forcewave)
 135 {
 136     UINT prebuf_frames;
 137     REFERENCE_TIME prebuf_rt;
 138     WAVEFORMATEX *wfx = NULL;
 139     HRESULT hres;
 140     REFERENCE_TIME period;
 141     DWORD period_ms;
 142
 143     TRACE("(%p, %d)\n", device, forcewave);
 144
 145     if(device->client){
 146         IAudioClient_Release(device->client);
 147         device->client = NULL;
 148     }
 149     if(device->render){
 150         IAudioRenderClient_Release(device->render);
 151         device->render = NULL;
 152     }
 153     if(device->clock){
 154         IAudioClock_Release(device->clock);
 155         device->clock = NULL;
 156     }
 157     if(device->volume){
 158         IAudioStreamVolume_Release(device->volume);
 159         device->volume = NULL;
 160     }
 161
 162     hres = IMMDevice_Activate(device->mmdevice, &IID_IAudioClient,
 163             CLSCTX_INPROC_SERVER, NULL, (void **)&device->client);
 164     if(FAILED(hres)) {
 165         WARN("Activate failed: %08x\n", hres);
 166         return hres;
 167     }
 168
 169     hres = DSOUND_WaveFormat(device, device->client, forcewave, &wfx);
 170     if (FAILED(hres)) {
 171         IAudioClient_Release(device->client);
 172         device->client = NULL;
 173         return hres;
 174     }
 175     HeapFree(GetProcessHeap(), 0, device->pwfx);
 176     device->pwfx = wfx;
 177
 178     prebuf_frames = device->prebuf * DSOUND_fraglen(device) / device->pwfx->nBlockAlign;
 179     prebuf_rt = (10000000 * (UINT64)prebuf_frames) / device->pwfx->nSamplesPerSec;
 180
 181     hres = IAudioClient_Initialize(device->client,
 182             AUDCLNT_SHAREMODE_SHARED, AUDCLNT_STREAMFLAGS_NOPERSIST |
 183             AUDCLNT_STREAMFLAGS_EVENTCALLBACK, prebuf_rt, 0, device->pwfx, NULL);
 184     if(FAILED(hres)){
 185         IAudioClient_Release(device->client);
 186         device->client = NULL;
 187         WARN("Initialize failed: %08x\n", hres);
 188         return hres;
 189     }
 190     IAudioClient_SetEventHandle(device->client, device->sleepev);
 191
 192     hres = IAudioClient_GetService(device->client, &IID_IAudioRenderClient,
 193             (void**)&device->render);
 194     if(FAILED(hres)){
 195         IAudioClient_Release(device->client);
 196         device->client = NULL;
 197         WARN("GetService failed: %08x\n", hres);
 198         return hres;
 199     }
 200
 201     hres = IAudioClient_GetService(device->client, &IID_IAudioClock,
 202             (void**)&device->clock);
 203     if(FAILED(hres)){
 204         IAudioClient_Release(device->client);
 205         IAudioRenderClient_Release(device->render);
 206         device->client = NULL;
 207         device->render = NULL;
 208         WARN("GetService failed: %08x\n", hres);
 209         return hres;
 210     }
 211
 212     hres = IAudioClient_GetService(device->client, &IID_IAudioStreamVolume,
 213             (void**)&device->volume);
 214     if(FAILED(hres)){
 215         IAudioClient_Release(device->client);
 216         IAudioRenderClient_Release(device->render);
 217         IAudioClock_Release(device->clock);
 218         device->client = NULL;
 219         device->render = NULL;
 220         device->clock = NULL;
 221         WARN("GetService failed: %08x\n", hres);
 222         return hres;
 223     }
 224
 225     /* Now kick off the timer so the event fires periodically */
 226     hres = IAudioClient_Start(device->client);
 227     if (FAILED(hres))
 228         WARN("starting failed with %08x\n", hres);
 229
 230     hres = IAudioClient_GetStreamLatency(device->client, &period);
 231     if (FAILED(hres)) {
 232         WARN("GetStreamLatency failed with %08x\n", hres);
 233         period_ms = 10;
 234     } else
 235         period_ms = (period + 9999) / 10000;
 236     TRACE("period %u ms fraglen %u prebuf %u\n", period_ms, device->fraglen, device->prebuf);
 237
 238     if (period_ms < 3)
 239         device->sleeptime = 5;
 240     else
 241         device->sleeptime = period_ms * 5 / 2;
 242
 243     return S_OK;
 244 }
 245
 246 HRESULT DSOUND_PrimaryOpen(DirectSoundDevice *device)
 247 {
 248         IDirectSoundBufferImpl** dsb = device->buffers;
 249         LPBYTE newbuf;
 250         int i;
 251
 252         TRACE("(%p)\n", device);
 253
 254         device->fraglen = DSOUND_fraglen(device);
 255
 256         /* on original windows, the buffer it set to a fixed size, no matter what the settings are.
 257            on windows this size is always fixed (tested on win-xp) */
 258         if (!device->buflen)
 259                 device->buflen = ds_hel_buflen;
 260         device->buflen -= device->buflen % device->pwfx->nBlockAlign;
 261         while(device->buflen < device->fraglen * device->prebuf){
 262                 device->buflen += ds_hel_buflen;
 263                 device->buflen -= device->buflen % device->pwfx->nBlockAlign;
 264         }
 265
 266         HeapFree(GetProcessHeap(), 0, device->mix_buffer);
 267         device->mix_buffer_len = (device->buflen / (device->pwfx->wBitsPerSample / 8)) * sizeof(float);
 268         device->mix_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, device->mix_buffer_len);
 269         if (!device->mix_buffer)
 270                 return DSERR_OUTOFMEMORY;
 271
 272         if (device->state == STATE_PLAYING) device->state = STATE_STARTING;
 273         else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED;
 274
 275     /* reallocate emulated primary buffer */
 276     if (device->buffer)
 277         newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer, device->buflen);
 278     else
 279         newbuf = HeapAlloc(GetProcessHeap(),0, device->buflen);
 280
 281     if (!newbuf) {
 282         ERR("failed to allocate primary buffer\n");
 283         return DSERR_OUTOFMEMORY;
 284         /* but the old buffer might still exist and must be re-prepared */
 285     }
 286
 287     device->writelead = (device->pwfx->nSamplesPerSec / 100) * device->pwfx->nBlockAlign;
 288
 289     device->buffer = newbuf;
 290
 291     TRACE("buflen: %u, fraglen: %u, mix_buffer_len: %u\n",
 292             device->buflen, device->fraglen, device->mix_buffer_len);
 293
 294     if(device->pwfx->wFormatTag == WAVE_FORMAT_IEEE_FLOAT ||
 295             (device->pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
 296              IsEqualGUID(&((WAVEFORMATEXTENSIBLE*)device->pwfx)->SubFormat,
 297                  &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)))
 298         device->normfunction = normfunctions[4];
 299     else
 300         device->normfunction = normfunctions[device->pwfx->wBitsPerSample/8 - 1];
 301
 302     FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0);
 303     FillMemory(device->mix_buffer, device->mix_buffer_len, 0);
 304     device->playpos = 0;
 305
 306     if (device->pwfx->wFormatTag == WAVE_FORMAT_IEEE_FLOAT ||
 307          (device->pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
 308           IsEqualGUID(&((WAVEFORMATEXTENSIBLE*)device->pwfx)->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)))
 309         device->normfunction = normfunctions[4];
 310     else
 311         device->normfunction = normfunctions[device->pwfx->wBitsPerSample/8 - 1];
 312
 313     for (i = 0; i < device->nrofbuffers; i++) {
 314         RtlAcquireResourceExclusive(&dsb[i]->lock, TRUE);
 315         DSOUND_RecalcFormat(dsb[i]);
 316         RtlReleaseResource(&dsb[i]->lock);
 317     }
 318
 319     return DS_OK;
 320 }
 321
 322
 323 static void DSOUND_PrimaryClose(DirectSoundDevice *device)
 324 {
 325     HRESULT hr;
 326
 327     TRACE("(%p)\n", device);
 328
 329     if(device->client){
 330         hr = IAudioClient_Stop(device->client);
 331         if(FAILED(hr))
 332             WARN("Stop failed: %08x\n", hr);
 333     }
 334
 335     /* clear the queue */
 336     device->in_mmdev_bytes = 0;
 337 }
 338
 339 HRESULT DSOUND_PrimaryCreate(DirectSoundDevice *device)
 340 {
 341         HRESULT err = DS_OK;
 342         TRACE("(%p)\n", device);
 343
 344         device->buflen = ds_hel_buflen;
 345         err = DSOUND_PrimaryOpen(device);
 346
 347         if (err != DS_OK) {
 348                 WARN("DSOUND_PrimaryOpen failed\n");
 349                 return err;
 350         }
 351
 352         device->state = STATE_STOPPED;
 353         return DS_OK;
 354 }
 355
 356 HRESULT DSOUND_PrimaryDestroy(DirectSoundDevice *device)
 357 {
 358         TRACE("(%p)\n", device);
 359
 360         /* **** */
 361         EnterCriticalSection(&(device->mixlock));
 362
 363         DSOUND_PrimaryClose(device);
 364
 365         if(device->primary && (device->primary->ref || device->primary->numIfaces))
 366                 WARN("Destroying primary buffer while references held (%u %u)\n", device->primary->ref, device->primary->numIfaces);
 367
 368         HeapFree(GetProcessHeap(), 0, device->primary);
 369         device->primary = NULL;
 370
 371         HeapFree(GetProcessHeap(),0,device->primary_pwfx);
 372         HeapFree(GetProcessHeap(),0,device->pwfx);
 373         device->pwfx=NULL;
 374
 375         LeaveCriticalSection(&(device->mixlock));
 376         /* **** */
 377
 378         return DS_OK;
 379 }
 380
 381 HRESULT DSOUND_PrimaryPlay(DirectSoundDevice *device)
 382 {
 383     HRESULT hr;
 384
 385     TRACE("(%p)\n", device);
 386
 387     hr = IAudioClient_Start(device->client);
 388     if(FAILED(hr) && hr != AUDCLNT_E_NOT_STOPPED){
 389         WARN("Start failed: %08x\n", hr);
 390         return hr;
 391     }
 392
 393     return DS_OK;
 394 }
 395
 396 HRESULT DSOUND_PrimaryStop(DirectSoundDevice *device)
 397 {
 398     HRESULT hr;
 399
 400     TRACE("(%p)\n", device);
 401
 402     hr = IAudioClient_Stop(device->client);
 403     if(FAILED(hr)){
 404         WARN("Stop failed: %08x\n", hr);
 405         return hr;
 406     }
 407
 408     return DS_OK;
 409 }
 410
 411 HRESULT DSOUND_PrimaryGetPosition(DirectSoundDevice *device, LPDWORD playpos, LPDWORD writepos)
 412 {
 413         TRACE("(%p,%p,%p)\n", device, playpos, writepos);
 414
 415         /* check if playpos was requested */
 416         if (playpos)
 417                 *playpos = device->playing_offs_bytes;
 418
 419         /* check if writepos was requested */
 420         if (writepos)
 421                 /* the writepos is the first non-queued position */
 422                 *writepos = (device->playing_offs_bytes + device->in_mmdev_bytes) % device->buflen;
 423
 424         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:-1, writepos?*writepos:-1, device, GetTickCount());
 425         return DS_OK;
 426 }
 427
 428 WAVEFORMATEX *DSOUND_CopyFormat(const WAVEFORMATEX *wfex)
 429 {
 430     WAVEFORMATEX *pwfx;
 431     if(wfex->wFormatTag == WAVE_FORMAT_PCM){
 432         pwfx = HeapAlloc(GetProcessHeap(), 0, sizeof(WAVEFORMATEX));
 433         CopyMemory(pwfx, wfex, sizeof(PCMWAVEFORMAT));
 434         pwfx->cbSize = 0;
 435     }else{
 436         pwfx = HeapAlloc(GetProcessHeap(), 0, sizeof(WAVEFORMATEX) + wfex->cbSize);
 437         CopyMemory(pwfx, wfex, sizeof(WAVEFORMATEX) + wfex->cbSize);
 438     }
 439
 440     if(pwfx->wFormatTag == WAVE_FORMAT_PCM ||
 441             (pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
 442              IsEqualGUID(&((const WAVEFORMATEXTENSIBLE*)pwfx)->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)))
 443         pwfx->nBlockAlign = (pwfx->nChannels * pwfx->wBitsPerSample) / 8;
 444
 445     return pwfx;
 446 }
 447
 448 HRESULT primarybuffer_SetFormat(DirectSoundDevice *device, LPCWAVEFORMATEX passed_fmt)
 449 {
 450         HRESULT err = S_OK;
 451         WAVEFORMATEX *old_fmt;
 452         WAVEFORMATEXTENSIBLE *fmtex, *passed_fmtex = (WAVEFORMATEXTENSIBLE*)passed_fmt;
 453         BOOL forced = (device->priolevel == DSSCL_WRITEPRIMARY);
 454
 455         TRACE("(%p,%p)\n", device, passed_fmt);
 456
 457         if (device->priolevel == DSSCL_NORMAL) {
 458                 WARN("failed priority check!\n");
 459                 return DSERR_PRIOLEVELNEEDED;
 460         }
 461
 462         /* Let's be pedantic! */
 463         if (passed_fmt == NULL) {
 464                 WARN("invalid parameter: passed_fmt==NULL!\n");
 465                 return DSERR_INVALIDPARAM;
 466         }
 467         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
 468                           "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
 469                   passed_fmt->wFormatTag, passed_fmt->nChannels, passed_fmt->nSamplesPerSec,
 470                   passed_fmt->nAvgBytesPerSec, passed_fmt->nBlockAlign,
 471                   passed_fmt->wBitsPerSample, passed_fmt->cbSize);
 472
 473         if(passed_fmt->wBitsPerSample < 8 || passed_fmt->wBitsPerSample % 8 != 0 ||
 474                         passed_fmt->nChannels == 0 || passed_fmt->nSamplesPerSec == 0 ||
 475                         passed_fmt->nAvgBytesPerSec == 0 ||
 476                         passed_fmt->nBlockAlign != passed_fmt->nChannels * passed_fmt->wBitsPerSample / 8)
 477                 return DSERR_INVALIDPARAM;
 478
 479         if(passed_fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE){
 480                 if(passed_fmtex->Samples.wValidBitsPerSample > passed_fmtex->Format.wBitsPerSample)
 481                         return DSERR_INVALIDPARAM;
 482         }
 483
 484         /* **** */
 485         RtlAcquireResourceExclusive(&(device->buffer_list_lock), TRUE);
 486         EnterCriticalSection(&(device->mixlock));
 487
 488         if (device->priolevel == DSSCL_WRITEPRIMARY) {
 489                 old_fmt = device->primary_pwfx;
 490                 device->primary_pwfx = DSOUND_CopyFormat(passed_fmt);
 491                 fmtex = (WAVEFORMATEXTENSIBLE *)device->primary_pwfx;
 492                 if (device->primary_pwfx == NULL) {
 493                         err = DSERR_OUTOFMEMORY;
 494                         goto out;
 495                 }
 496
 497                 if (fmtex->Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
 498                     fmtex->Samples.wValidBitsPerSample == 0) {
 499                         TRACE("Correcting 0 valid bits per sample\n");
 500                         fmtex->Samples.wValidBitsPerSample = fmtex->Format.wBitsPerSample;
 501                 }
 502
 503                 DSOUND_PrimaryClose(device);
 504
 505                 err = DSOUND_ReopenDevice(device, forced);
 506                 if (FAILED(err)) {
 507                         ERR("No formats could be opened\n");
 508                         goto done;
 509                 }
 510
 511                 err = DSOUND_PrimaryOpen(device);
 512                 if (err != DS_OK) {
 513                         ERR("DSOUND_PrimaryOpen failed\n");
 514                         goto done;
 515                 }
 516
 517 done:
 518                 if (err != DS_OK)
 519                         device->primary_pwfx = old_fmt;
 520                 else
 521                         HeapFree(GetProcessHeap(), 0, old_fmt);
 522         } else {
 523                 HeapFree(GetProcessHeap(), 0, device->primary_pwfx);
 524                 device->primary_pwfx = DSOUND_CopyFormat(passed_fmt);
 525         }
 526
 527 out:
 528         LeaveCriticalSection(&(device->mixlock));
 529         RtlReleaseResource(&(device->buffer_list_lock));
 530         /* **** */
 531
 532         return err;
 533 }
 534
 535 /*******************************************************************************
 536  *              PrimaryBuffer
 537  */
 538 static inline IDirectSoundBufferImpl *impl_from_IDirectSoundBuffer(IDirectSoundBuffer *iface)
 539 {
 540     /* IDirectSoundBuffer and IDirectSoundBuffer8 use the same iface. */
 541     return CONTAINING_RECORD(iface, IDirectSoundBufferImpl, IDirectSoundBuffer8_iface);
 542 }
 543
 544 /* This sets this format for the primary buffer only */
 545 static HRESULT WINAPI PrimaryBufferImpl_SetFormat(IDirectSoundBuffer *iface,
 546         const WAVEFORMATEX *wfex)
 547 {
 548     IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 549     TRACE("(%p,%p)\n", iface, wfex);
 550     return primarybuffer_SetFormat(This->device, wfex);
 551 }
 552
 553 static HRESULT WINAPI PrimaryBufferImpl_SetVolume(IDirectSoundBuffer *iface, LONG vol)
 554 {
 555         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 556         DirectSoundDevice *device = This->device;
 557         HRESULT hr;
 558         float lvol, rvol;
 559
 560         TRACE("(%p,%d)\n", iface, vol);
 561
 562         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 563                 WARN("control unavailable\n");
 564                 return DSERR_CONTROLUNAVAIL;
 565         }
 566
 567         if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
 568                 WARN("invalid parameter: vol = %d\n", vol);
 569                 return DSERR_INVALIDPARAM;
 570         }
 571
 572         /* **** */
 573         EnterCriticalSection(&device->mixlock);
 574
 575         hr = IAudioStreamVolume_GetChannelVolume(device->volume, 0, &lvol);
 576         if(FAILED(hr)){
 577                 LeaveCriticalSection(&device->mixlock);
 578                 WARN("GetChannelVolume failed: %08x\n", hr);
 579                 return hr;
 580         }
 581
 582         if(device->pwfx->nChannels > 1){
 583                 hr = IAudioStreamVolume_GetChannelVolume(device->volume, 1, &rvol);
 584                 if(FAILED(hr)){
 585                         LeaveCriticalSection(&device->mixlock);
 586                         WARN("GetChannelVolume failed: %08x\n", hr);
 587                         return hr;
 588                 }
 589         }else
 590                 rvol = 1;
 591
 592         device->volpan.dwTotalLeftAmpFactor = ((UINT16)(lvol * (DWORD)0xFFFF));
 593         device->volpan.dwTotalRightAmpFactor = ((UINT16)(rvol * (DWORD)0xFFFF));
 594
 595         DSOUND_AmpFactorToVolPan(&device->volpan);
 596         if (vol != device->volpan.lVolume) {
 597                 device->volpan.lVolume=vol;
 598                 DSOUND_RecalcVolPan(&device->volpan);
 599                 lvol = (float)((DWORD)(device->volpan.dwTotalLeftAmpFactor & 0xFFFF) / (float)0xFFFF);
 600                 hr = IAudioStreamVolume_SetChannelVolume(device->volume, 0, lvol);
 601                 if(FAILED(hr)){
 602                         LeaveCriticalSection(&device->mixlock);
 603                         WARN("SetChannelVolume failed: %08x\n", hr);
 604                         return hr;
 605                 }
 606
 607                 if(device->pwfx->nChannels > 1){
 608                         rvol = (float)((DWORD)(device->volpan.dwTotalRightAmpFactor & 0xFFFF) / (float)0xFFFF);
 609                         hr = IAudioStreamVolume_SetChannelVolume(device->volume, 1, rvol);
 610                         if(FAILED(hr)){
 611                                 LeaveCriticalSection(&device->mixlock);
 612                                 WARN("SetChannelVolume failed: %08x\n", hr);
 613                                 return hr;
 614                         }
 615                 }
 616         }
 617
 618         LeaveCriticalSection(&(device->mixlock));
 619         /* **** */
 620
 621         return DS_OK;
 622 }
 623
 624 static HRESULT WINAPI PrimaryBufferImpl_GetVolume(IDirectSoundBuffer *iface, LONG *vol)
 625 {
 626         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 627         DirectSoundDevice *device = This->device;
 628         float lvol, rvol;
 629         HRESULT hr;
 630         TRACE("(%p,%p)\n", iface, vol);
 631
 632         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
 633                 WARN("control unavailable\n");
 634                 return DSERR_CONTROLUNAVAIL;
 635         }
 636
 637         if (vol == NULL) {
 638                 WARN("invalid parameter: vol = NULL\n");
 639                 return DSERR_INVALIDPARAM;
 640         }
 641
 642         EnterCriticalSection(&device->mixlock);
 643
 644         hr = IAudioStreamVolume_GetChannelVolume(device->volume, 0, &lvol);
 645         if(FAILED(hr)){
 646                 LeaveCriticalSection(&device->mixlock);
 647                 WARN("GetChannelVolume failed: %08x\n", hr);
 648                 return hr;
 649         }
 650
 651         if(device->pwfx->nChannels > 1){
 652                 hr = IAudioStreamVolume_GetChannelVolume(device->volume, 1, &rvol);
 653                 if(FAILED(hr)){
 654                         LeaveCriticalSection(&device->mixlock);
 655                         WARN("GetChannelVolume failed: %08x\n", hr);
 656                         return hr;
 657                 }
 658         }else
 659                 rvol = 1;
 660
 661         device->volpan.dwTotalLeftAmpFactor = ((UINT16)(lvol * (DWORD)0xFFFF));
 662         device->volpan.dwTotalRightAmpFactor = ((UINT16)(rvol * (DWORD)0xFFFF));
 663
 664         DSOUND_AmpFactorToVolPan(&device->volpan);
 665         *vol = device->volpan.lVolume;
 666
 667         LeaveCriticalSection(&device->mixlock);
 668
 669         return DS_OK;
 670 }
 671
 672 static HRESULT WINAPI PrimaryBufferImpl_SetFrequency(IDirectSoundBuffer *iface, DWORD freq)
 673 {
 674         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 675         TRACE("(%p,%d)\n",This,freq);
 676
 677         /* You cannot set the frequency of the primary buffer */
 678         WARN("control unavailable\n");
 679         return DSERR_CONTROLUNAVAIL;
 680 }
 681
 682 static HRESULT WINAPI PrimaryBufferImpl_Play(IDirectSoundBuffer *iface, DWORD reserved1,
 683         DWORD reserved2, DWORD flags)
 684 {
 685         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 686         DirectSoundDevice *device = This->device;
 687         TRACE("(%p,%08x,%08x,%08x)\n", iface, reserved1, reserved2, flags);
 688
 689         if (!(flags & DSBPLAY_LOOPING)) {
 690                 WARN("invalid parameter: flags = %08x\n", flags);
 691                 return DSERR_INVALIDPARAM;
 692         }
 693
 694         /* **** */
 695         EnterCriticalSection(&(device->mixlock));
 696
 697         if (device->state == STATE_STOPPED)
 698                 device->state = STATE_STARTING;
 699         else if (device->state == STATE_STOPPING)
 700                 device->state = STATE_PLAYING;
 701
 702         LeaveCriticalSection(&(device->mixlock));
 703         /* **** */
 704
 705         return DS_OK;
 706 }
 707
 708 static HRESULT WINAPI PrimaryBufferImpl_Stop(IDirectSoundBuffer *iface)
 709 {
 710         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 711         DirectSoundDevice *device = This->device;
 712         TRACE("(%p)\n", iface);
 713
 714         /* **** */
 715         EnterCriticalSection(&(device->mixlock));
 716
 717         if (device->state == STATE_PLAYING)
 718                 device->state = STATE_STOPPING;
 719         else if (device->state == STATE_STARTING)
 720                 device->state = STATE_STOPPED;
 721
 722         LeaveCriticalSection(&(device->mixlock));
 723         /* **** */
 724
 725         return DS_OK;
 726 }
 727
 728 static ULONG WINAPI PrimaryBufferImpl_AddRef(IDirectSoundBuffer *iface)
 729 {
 730     IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 731     ULONG ref = InterlockedIncrement(&(This->ref));
 732     TRACE("(%p) ref was %d\n", This, ref - 1);
 733     if(ref == 1)
 734         InterlockedIncrement(&This->numIfaces);
 735     return ref;
 736 }
 737
 738 /* Decreases *out by 1 to no less than 0.
 739  * Returns the new value of *out. */
 740 LONG capped_refcount_dec(LONG *out)
 741 {
 742     LONG ref, oldref;
 743     do {
 744         ref = *out;
 745         if(!ref)
 746             return 0;
 747         oldref = InterlockedCompareExchange(out, ref - 1, ref);
 748     } while(oldref != ref);
 749     return ref - 1;
 750 }
 751
 752 static ULONG WINAPI PrimaryBufferImpl_Release(IDirectSoundBuffer *iface)
 753 {
 754     IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 755     ULONG ref;
 756
 757     ref = capped_refcount_dec(&This->ref);
 758     if(!ref)
 759         capped_refcount_dec(&This->numIfaces);
 760
 761     TRACE("(%p) primary ref is now %d\n", This, ref);
 762
 763     return ref;
 764 }
 765
 766 static HRESULT WINAPI PrimaryBufferImpl_GetCurrentPosition(IDirectSoundBuffer *iface,
 767         DWORD *playpos, DWORD *writepos)
 768 {
 769         HRESULT hres;
 770         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 771         DirectSoundDevice *device = This->device;
 772         TRACE("(%p,%p,%p)\n", iface, playpos, writepos);
 773
 774         /* **** */
 775         EnterCriticalSection(&(device->mixlock));
 776
 777         hres = DSOUND_PrimaryGetPosition(device, playpos, writepos);
 778         if (hres != DS_OK) {
 779                 WARN("DSOUND_PrimaryGetPosition failed\n");
 780                 LeaveCriticalSection(&(device->mixlock));
 781                 return hres;
 782         }
 783         if (writepos) {
 784                 if (device->state != STATE_STOPPED)
 785                         /* apply the documented 10ms lead to writepos */
 786                         *writepos += device->writelead;
 787                 while (*writepos >= device->buflen) *writepos -= device->buflen;
 788         }
 789
 790         LeaveCriticalSection(&(device->mixlock));
 791         /* **** */
 792
 793         TRACE("playpos = %d, writepos = %d (%p, time=%d)\n", playpos?*playpos:0, writepos?*writepos:0, device, GetTickCount());
 794         return DS_OK;
 795 }
 796
 797 static HRESULT WINAPI PrimaryBufferImpl_GetStatus(IDirectSoundBuffer *iface, DWORD *status)
 798 {
 799         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 800         DirectSoundDevice *device = This->device;
 801         TRACE("(%p,%p)\n", iface, status);
 802
 803         if (status == NULL) {
 804                 WARN("invalid parameter: status == NULL\n");
 805                 return DSERR_INVALIDPARAM;
 806         }
 807
 808         *status = 0;
 809         if ((device->state == STATE_STARTING) ||
 810             (device->state == STATE_PLAYING))
 811                 *status |= DSBSTATUS_PLAYING | DSBSTATUS_LOOPING;
 812
 813         TRACE("status=%x\n", *status);
 814         return DS_OK;
 815 }
 816
 817
 818 static HRESULT WINAPI PrimaryBufferImpl_GetFormat(IDirectSoundBuffer *iface, WAVEFORMATEX *lpwf,
 819         DWORD wfsize, DWORD *wfwritten)
 820 {
 821     DWORD size;
 822     IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 823     DirectSoundDevice *device = This->device;
 824     TRACE("(%p,%p,%d,%p)\n", iface, lpwf, wfsize, wfwritten);
 825
 826     size = sizeof(WAVEFORMATEX) + device->primary_pwfx->cbSize;
 827
 828     if (lpwf) { /* NULL is valid */
 829         if (wfsize >= size) {
 830             CopyMemory(lpwf,device->primary_pwfx,size);
 831             if (wfwritten)
 832                 *wfwritten = size;
 833         } else {
 834             WARN("invalid parameter: wfsize too small\n");
 835             if (wfwritten)
 836                 *wfwritten = 0;
 837             return DSERR_INVALIDPARAM;
 838         }
 839     } else {
 840         if (wfwritten)
 841             *wfwritten = sizeof(WAVEFORMATEX) + device->primary_pwfx->cbSize;
 842         else {
 843             WARN("invalid parameter: wfwritten == NULL\n");
 844             return DSERR_INVALIDPARAM;
 845         }
 846     }
 847
 848     return DS_OK;
 849 }
 850
 851 static HRESULT WINAPI PrimaryBufferImpl_Lock(IDirectSoundBuffer *iface, DWORD writecursor,
 852         DWORD writebytes, void **lplpaudioptr1, DWORD *audiobytes1, void **lplpaudioptr2,
 853         DWORD *audiobytes2, DWORD flags)
 854 {
 855         HRESULT hres;
 856         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 857         DirectSoundDevice *device = This->device;
 858         TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x) at %d\n",
 859                 iface,
 860                 writecursor,
 861                 writebytes,
 862                 lplpaudioptr1,
 863                 audiobytes1,
 864                 lplpaudioptr2,
 865                 audiobytes2,
 866                 flags,
 867                 GetTickCount()
 868         );
 869
 870         if (!audiobytes1)
 871             return DSERR_INVALIDPARAM;
 872
 873         if (device->priolevel != DSSCL_WRITEPRIMARY) {
 874                 WARN("failed priority check!\n");
 875                 return DSERR_PRIOLEVELNEEDED;
 876         }
 877
 878         /* when this flag is set, writecursor is meaningless and must be calculated */
 879         if (flags & DSBLOCK_FROMWRITECURSOR) {
 880                 /* GetCurrentPosition does too much magic to duplicate here */
 881                 hres = IDirectSoundBuffer_GetCurrentPosition(iface, NULL, &writecursor);
 882                 if (hres != DS_OK) {
 883                         WARN("IDirectSoundBuffer_GetCurrentPosition failed\n");
 884                         return hres;
 885                 }
 886         }
 887
 888         /* when this flag is set, writebytes is meaningless and must be set */
 889         if (flags & DSBLOCK_ENTIREBUFFER)
 890                 writebytes = device->buflen;
 891
 892         if (writecursor >= device->buflen) {
 893                 WARN("Invalid parameter, writecursor: %u >= buflen: %u\n",
 894                      writecursor, device->buflen);
 895                 return DSERR_INVALIDPARAM;
 896         }
 897
 898         if (writebytes > device->buflen) {
 899                 WARN("Invalid parameter, writebytes: %u > buflen: %u\n",
 900                      writebytes, device->buflen);
 901                 return DSERR_INVALIDPARAM;
 902         }
 903
 904         if (writecursor+writebytes <= device->buflen) {
 905                 *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 906                 *audiobytes1 = writebytes;
 907                 if (lplpaudioptr2)
 908                         *(LPBYTE*)lplpaudioptr2 = NULL;
 909                 if (audiobytes2)
 910                         *audiobytes2 = 0;
 911                 TRACE("->%d.0\n",writebytes);
 912         } else {
 913                 *(LPBYTE*)lplpaudioptr1 = device->buffer+writecursor;
 914                 *audiobytes1 = device->buflen-writecursor;
 915                 if (lplpaudioptr2)
 916                         *(LPBYTE*)lplpaudioptr2 = device->buffer;
 917                 if (audiobytes2)
 918                         *audiobytes2 = writebytes-(device->buflen-writecursor);
 919                 TRACE("->%d.%d\n",*audiobytes1,audiobytes2?*audiobytes2:0);
 920         }
 921         return DS_OK;
 922 }
 923
 924 static HRESULT WINAPI PrimaryBufferImpl_SetCurrentPosition(IDirectSoundBuffer *iface, DWORD newpos)
 925 {
 926         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 927         TRACE("(%p,%d)\n",This,newpos);
 928
 929         /* You cannot set the position of the primary buffer */
 930         WARN("invalid call\n");
 931         return DSERR_INVALIDCALL;
 932 }
 933
 934 static HRESULT WINAPI PrimaryBufferImpl_SetPan(IDirectSoundBuffer *iface, LONG pan)
 935 {
 936         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
 937         DirectSoundDevice *device = This->device;
 938         float lvol, rvol;
 939         HRESULT hr;
 940         TRACE("(%p,%d)\n", iface, pan);
 941
 942         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
 943                 WARN("control unavailable\n");
 944                 return DSERR_CONTROLUNAVAIL;
 945         }
 946
 947         if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
 948                 WARN("invalid parameter: pan = %d\n", pan);
 949                 return DSERR_INVALIDPARAM;
 950         }
 951
 952         /* **** */
 953         EnterCriticalSection(&device->mixlock);
 954
 955         hr = IAudioStreamVolume_GetChannelVolume(device->volume, 0, &lvol);
 956         if(FAILED(hr)){
 957                 LeaveCriticalSection(&device->mixlock);
 958                 WARN("GetChannelVolume failed: %08x\n", hr);
 959                 return hr;
 960         }
 961
 962         if(device->pwfx->nChannels > 1){
 963                 hr = IAudioStreamVolume_GetChannelVolume(device->volume, 1, &rvol);
 964                 if(FAILED(hr)){
 965                         LeaveCriticalSection(&device->mixlock);
 966                         WARN("GetChannelVolume failed: %08x\n", hr);
 967                         return hr;
 968                 }
 969         }else
 970                 rvol = 1;
 971
 972         device->volpan.dwTotalLeftAmpFactor = ((UINT16)(lvol * (DWORD)0xFFFF));
 973         device->volpan.dwTotalRightAmpFactor = ((UINT16)(rvol * (DWORD)0xFFFF));
 974
 975         DSOUND_AmpFactorToVolPan(&device->volpan);
 976         if (pan != device->volpan.lPan) {
 977                 device->volpan.lPan=pan;
 978                 DSOUND_RecalcVolPan(&device->volpan);
 979
 980                 lvol = (float)((DWORD)(device->volpan.dwTotalLeftAmpFactor & 0xFFFF) / (float)0xFFFF);
 981                 hr = IAudioStreamVolume_SetChannelVolume(device->volume, 0, lvol);
 982                 if(FAILED(hr)){
 983                         LeaveCriticalSection(&device->mixlock);
 984                         WARN("SetChannelVolume failed: %08x\n", hr);
 985                         return hr;
 986                 }
 987
 988                 if(device->pwfx->nChannels > 1){
 989                         rvol = (float)((DWORD)(device->volpan.dwTotalRightAmpFactor & 0xFFFF) / (float)0xFFFF);
 990                         hr = IAudioStreamVolume_SetChannelVolume(device->volume, 1, rvol);
 991                         if(FAILED(hr)){
 992                                 LeaveCriticalSection(&device->mixlock);
 993                                 WARN("SetChannelVolume failed: %08x\n", hr);
 994                                 return hr;
 995                         }
 996                 }
 997         }
 998
 999         LeaveCriticalSection(&device->mixlock);
1000         /* **** */
1001
1002         return DS_OK;
1003 }
1004
1005 static HRESULT WINAPI PrimaryBufferImpl_GetPan(IDirectSoundBuffer *iface, LONG *pan)
1006 {
1007         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1008         DirectSoundDevice *device = This->device;
1009         float lvol, rvol;
1010         HRESULT hr;
1011         TRACE("(%p,%p)\n", iface, pan);
1012
1013         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
1014                 WARN("control unavailable\n");
1015                 return DSERR_CONTROLUNAVAIL;
1016         }
1017
1018         if (pan == NULL) {
1019                 WARN("invalid parameter: pan == NULL\n");
1020                 return DSERR_INVALIDPARAM;
1021         }
1022
1023         EnterCriticalSection(&device->mixlock);
1024
1025         hr = IAudioStreamVolume_GetChannelVolume(device->volume, 0, &lvol);
1026         if(FAILED(hr)){
1027                 LeaveCriticalSection(&device->mixlock);
1028                 WARN("GetChannelVolume failed: %08x\n", hr);
1029                 return hr;
1030         }
1031
1032         if(device->pwfx->nChannels > 1){
1033                 hr = IAudioStreamVolume_GetChannelVolume(device->volume, 1, &rvol);
1034                 if(FAILED(hr)){
1035                         LeaveCriticalSection(&device->mixlock);
1036                         WARN("GetChannelVolume failed: %08x\n", hr);
1037                         return hr;
1038                 }
1039         }else
1040                 rvol = 1;
1041
1042         device->volpan.dwTotalLeftAmpFactor = ((UINT16)(lvol * (DWORD)0xFFFF));
1043         device->volpan.dwTotalRightAmpFactor = ((UINT16)(rvol * (DWORD)0xFFFF));
1044
1045         DSOUND_AmpFactorToVolPan(&device->volpan);
1046         *pan = device->volpan.lPan;
1047
1048         LeaveCriticalSection(&device->mixlock);
1049
1050         return DS_OK;
1051 }
1052
1053 static HRESULT WINAPI PrimaryBufferImpl_Unlock(IDirectSoundBuffer *iface, void *p1, DWORD x1,
1054         void *p2, DWORD x2)
1055 {
1056         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1057         DirectSoundDevice *device = This->device;
1058         TRACE("(%p,%p,%d,%p,%d)\n", iface, p1, x1, p2, x2);
1059
1060         if (device->priolevel != DSSCL_WRITEPRIMARY) {
1061                 WARN("failed priority check!\n");
1062                 return DSERR_PRIOLEVELNEEDED;
1063         }
1064
1065         if ((p1 && ((BYTE*)p1 < device->buffer || (BYTE*)p1 >= device->buffer + device->buflen)) ||
1066             (p2 && ((BYTE*)p2 < device->buffer || (BYTE*)p2 >= device->buffer + device->buflen)))
1067                 return DSERR_INVALIDPARAM;
1068
1069         return DS_OK;
1070 }
1071
1072 static HRESULT WINAPI PrimaryBufferImpl_Restore(IDirectSoundBuffer *iface)
1073 {
1074         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1075         FIXME("(%p):stub\n",This);
1076         return DS_OK;
1077 }
1078
1079 static HRESULT WINAPI PrimaryBufferImpl_GetFrequency(IDirectSoundBuffer *iface, DWORD *freq)
1080 {
1081         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1082         DirectSoundDevice *device = This->device;
1083         TRACE("(%p,%p)\n", iface, freq);
1084
1085         if (freq == NULL) {
1086                 WARN("invalid parameter: freq == NULL\n");
1087                 return DSERR_INVALIDPARAM;
1088         }
1089
1090         if (!(This->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
1091                 WARN("control unavailable\n");
1092                 return DSERR_CONTROLUNAVAIL;
1093         }
1094
1095         *freq = device->pwfx->nSamplesPerSec;
1096         TRACE("-> %d\n", *freq);
1097
1098         return DS_OK;
1099 }
1100
1101 static HRESULT WINAPI PrimaryBufferImpl_Initialize(IDirectSoundBuffer *iface, IDirectSound *dsound,
1102         const DSBUFFERDESC *dbsd)
1103 {
1104         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1105         WARN("(%p) already initialized\n", This);
1106         return DSERR_ALREADYINITIALIZED;
1107 }
1108
1109 static HRESULT WINAPI PrimaryBufferImpl_GetCaps(IDirectSoundBuffer *iface, DSBCAPS *caps)
1110 {
1111         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1112         DirectSoundDevice *device = This->device;
1113         TRACE("(%p,%p)\n", iface, caps);
1114
1115         if (caps == NULL) {
1116                 WARN("invalid parameter: caps == NULL\n");
1117                 return DSERR_INVALIDPARAM;
1118         }
1119
1120         if (caps->dwSize < sizeof(*caps)) {
1121                 WARN("invalid parameter: caps->dwSize = %d\n", caps->dwSize);
1122                 return DSERR_INVALIDPARAM;
1123         }
1124
1125         caps->dwFlags = This->dsbd.dwFlags;
1126         caps->dwBufferBytes = device->buflen;
1127
1128         /* Windows reports these as zero */
1129         caps->dwUnlockTransferRate = 0;
1130         caps->dwPlayCpuOverhead = 0;
1131
1132         return DS_OK;
1133 }
1134
1135 static HRESULT WINAPI PrimaryBufferImpl_QueryInterface(IDirectSoundBuffer *iface, REFIID riid,
1136         void **ppobj)
1137 {
1138         IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer(iface);
1139
1140         TRACE("(%p,%s,%p)\n", iface, debugstr_guid(riid), ppobj);
1141
1142         if (ppobj == NULL) {
1143                 WARN("invalid parameter\n");
1144                 return E_INVALIDARG;
1145         }
1146
1147         *ppobj = NULL;  /* assume failure */
1148
1149         if ( IsEqualGUID(riid, &IID_IUnknown) ||
1150              IsEqualGUID(riid, &IID_IDirectSoundBuffer) ) {
1151                 IDirectSoundBuffer_AddRef(iface);
1152                 *ppobj = iface;
1153                 return S_OK;
1154         }
1155
1156         /* DirectSoundBuffer and DirectSoundBuffer8 are different and */
1157         /* a primary buffer can't have a DirectSoundBuffer8 interface */
1158         if ( IsEqualGUID( &IID_IDirectSoundBuffer8, riid ) ) {
1159                 WARN("app requested DirectSoundBuffer8 on primary buffer\n");
1160                 return E_NOINTERFACE;
1161         }
1162
1163         if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
1164                 ERR("app requested IDirectSoundNotify on primary buffer\n");
1165                 /* FIXME: should we support this? */
1166                 return E_NOINTERFACE;
1167         }
1168
1169         if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
1170                 ERR("app requested IDirectSound3DBuffer on primary buffer\n");
1171                 return E_NOINTERFACE;
1172         }
1173
1174         if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
1175                 *ppobj = &This->IDirectSound3DListener_iface;
1176                 IDirectSound3DListener_AddRef(&This->IDirectSound3DListener_iface);
1177                 return S_OK;
1178         }
1179
1180         if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
1181                 *ppobj = &This->IKsPropertySet_iface;
1182                 IKsPropertySet_AddRef(&This->IKsPropertySet_iface);
1183                 return S_OK;
1184         }
1185
1186         FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
1187         return E_NOINTERFACE;
1188 }
1189
1190 static const IDirectSoundBufferVtbl dspbvt =
1191 {
1192         PrimaryBufferImpl_QueryInterface,
1193         PrimaryBufferImpl_AddRef,
1194         PrimaryBufferImpl_Release,
1195         PrimaryBufferImpl_GetCaps,
1196         PrimaryBufferImpl_GetCurrentPosition,
1197         PrimaryBufferImpl_GetFormat,
1198         PrimaryBufferImpl_GetVolume,
1199         PrimaryBufferImpl_GetPan,
1200         PrimaryBufferImpl_GetFrequency,
1201         PrimaryBufferImpl_GetStatus,
1202         PrimaryBufferImpl_Initialize,
1203         PrimaryBufferImpl_Lock,
1204         PrimaryBufferImpl_Play,
1205         PrimaryBufferImpl_SetCurrentPosition,
1206         PrimaryBufferImpl_SetFormat,
1207         PrimaryBufferImpl_SetVolume,
1208         PrimaryBufferImpl_SetPan,
1209         PrimaryBufferImpl_SetFrequency,
1210         PrimaryBufferImpl_Stop,
1211         PrimaryBufferImpl_Unlock,
1212         PrimaryBufferImpl_Restore
1213 };
1214
1215 HRESULT primarybuffer_create(DirectSoundDevice *device, IDirectSoundBufferImpl **ppdsb,
1216         const DSBUFFERDESC *dsbd)
1217 {
1218         IDirectSoundBufferImpl *dsb;
1219         TRACE("%p,%p,%p)\n",device,ppdsb,dsbd);
1220
1221         if (dsbd->lpwfxFormat) {
1222                 WARN("invalid parameter: dsbd->lpwfxFormat != NULL\n");
1223                 *ppdsb = NULL;
1224                 return DSERR_INVALIDPARAM;
1225         }
1226
1227         dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
1228
1229         if (dsb == NULL) {
1230                 WARN("out of memory\n");
1231                 *ppdsb = NULL;
1232                 return DSERR_OUTOFMEMORY;
1233         }
1234
1235         dsb->ref = 0;
1236         dsb->ref3D = 0;
1237         dsb->refiks = 0;
1238         dsb->numIfaces = 0;
1239         dsb->device = device;
1240         dsb->IDirectSoundBuffer8_iface.lpVtbl = (IDirectSoundBuffer8Vtbl *)&dspbvt;
1241         dsb->IDirectSound3DListener_iface.lpVtbl = &ds3dlvt;
1242         dsb->IKsPropertySet_iface.lpVtbl = &iksbvt;
1243         dsb->dsbd = *dsbd;
1244
1245         /* IDirectSound3DListener */
1246         device->ds3dl.dwSize = sizeof(DS3DLISTENER);
1247         device->ds3dl.vPosition.x = 0.0;
1248         device->ds3dl.vPosition.y = 0.0;
1249         device->ds3dl.vPosition.z = 0.0;
1250         device->ds3dl.vVelocity.x = 0.0;
1251         device->ds3dl.vVelocity.y = 0.0;
1252         device->ds3dl.vVelocity.z = 0.0;
1253         device->ds3dl.vOrientFront.x = 0.0;
1254         device->ds3dl.vOrientFront.y = 0.0;
1255         device->ds3dl.vOrientFront.z = 1.0;
1256         device->ds3dl.vOrientTop.x = 0.0;
1257         device->ds3dl.vOrientTop.y = 1.0;
1258         device->ds3dl.vOrientTop.z = 0.0;
1259         device->ds3dl.flDistanceFactor = DS3D_DEFAULTDISTANCEFACTOR;
1260         device->ds3dl.flRolloffFactor = DS3D_DEFAULTROLLOFFFACTOR;
1261         device->ds3dl.flDopplerFactor = DS3D_DEFAULTDOPPLERFACTOR;
1262         device->ds3dl_need_recalc = TRUE;
1263
1264         TRACE("Created primary buffer at %p\n", dsb);
1265         TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
1266                 "bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
1267                 device->pwfx->wFormatTag, device->pwfx->nChannels,
1268                 device->pwfx->nSamplesPerSec, device->pwfx->nAvgBytesPerSec,
1269                 device->pwfx->nBlockAlign, device->pwfx->wBitsPerSample,
1270                 device->pwfx->cbSize);
1271
1272         IDirectSoundBuffer_AddRef(&dsb->IDirectSoundBuffer8_iface);
1273         *ppdsb = dsb;
1274         return S_OK;
1275 }