dlls/quartz/dsoundrender.c

   1 /*
   2  * Direct Sound Audio Renderer
   3  *
   4  * Copyright 2004 Christian Costa
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include "quartz_private.h"
  24 #include "control_private.h"
  25 #include "pin.h"
  26
  27 #include "uuids.h"
  28 #include "vfwmsgs.h"
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "dshow.h"
  32 #include "evcode.h"
  33 #include "strmif.h"
  34 #include "dsound.h"
  35
  36 #include "wine/unicode.h"
  37 #include "wine/debug.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  40
  41 static const WCHAR wcsInputPinName[] = {'i','n','p','u','t',' ','p','i','n',0};
  42
  43 static const IBaseFilterVtbl DSoundRender_Vtbl;
  44 static const IPinVtbl DSoundRender_InputPin_Vtbl;
  45 static const IMemInputPinVtbl MemInputPin_Vtbl;
  46 static const IBasicAudioVtbl IBasicAudio_Vtbl;
  47 static const IReferenceClockVtbl IReferenceClock_Vtbl;
  48 static const IMediaSeekingVtbl IMediaSeeking_Vtbl;
  49
  50 typedef struct DSoundRenderImpl
  51 {
  52     const IBaseFilterVtbl * lpVtbl;
  53     const IBasicAudioVtbl *IBasicAudio_vtbl;
  54     const IReferenceClockVtbl *IReferenceClock_vtbl;
  55
  56     LONG refCount;
  57     CRITICAL_SECTION csFilter;
  58     FILTER_STATE state;
  59     REFERENCE_TIME rtStreamStart, rtLastStop;
  60     IReferenceClock * pClock;
  61     FILTER_INFO filterInfo;
  62
  63     InputPin * pInputPin;
  64     IPin ** ppPins;
  65
  66     LPDIRECTSOUND dsound;
  67     LPDIRECTSOUNDBUFFER dsbuffer;
  68     DWORD buf_size;
  69     DWORD write_pos;
  70     DWORD write_loops;
  71
  72     DWORD last_play_pos;
  73     DWORD play_loops;
  74
  75     REFERENCE_TIME play_time;
  76     MediaSeekingImpl mediaSeeking;
  77
  78     long volume;
  79     long pan;
  80 } DSoundRenderImpl;
  81
  82 /* Seeking is not needed for a renderer, rely on newsegment for the appropriate changes */
  83 static HRESULT sound_mod_stop(IBaseFilter *iface)
  84 {
  85     TRACE("(%p)\n", iface);
  86     return S_OK;
  87 }
  88
  89 static HRESULT sound_mod_start(IBaseFilter *iface)
  90 {
  91     TRACE("(%p)\n", iface);
  92
  93     return S_OK;
  94 }
  95
  96 static HRESULT sound_mod_rate(IBaseFilter *iface)
  97 {
  98     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
  99
 100     WAVEFORMATEX *format = (WAVEFORMATEX*)This->pInputPin->pin.mtCurrent.pbFormat;
 101     DWORD freq = format->nSamplesPerSec;
 102     double rate = This->mediaSeeking.dRate;
 103
 104     freq = (DWORD)((double)freq * rate);
 105
 106     TRACE("(%p)\n", iface);
 107
 108     if (freq > DSBFREQUENCY_MAX)
 109         return VFW_E_UNSUPPORTED_AUDIO;
 110
 111     if (freq < DSBFREQUENCY_MIN)
 112         return VFW_E_UNSUPPORTED_AUDIO;
 113
 114     return S_OK;
 115 }
 116
 117 static inline HRESULT DSoundRender_GetPos(DSoundRenderImpl *This, DWORD *pPlayPos, REFERENCE_TIME *pRefTime)
 118 {
 119     HRESULT hr;
 120
 121     EnterCriticalSection(&This->csFilter);
 122     {
 123         DWORD state;
 124         DWORD write_pos;
 125
 126         hr = IDirectSoundBuffer_GetStatus(This->dsbuffer, &state);
 127         if (SUCCEEDED(hr) && !(state & DSBSTATUS_PLAYING) && This->state == State_Running)
 128         {
 129             TRACE("Not playing, kickstarting the engine\n");
 130
 131             hr = IDirectSoundBuffer_Play(This->dsbuffer, 0, 0, DSBPLAY_LOOPING);
 132             if (FAILED(hr))
 133                 ERR("Can't play sound buffer (%x)\n", hr);
 134         }
 135
 136         if (SUCCEEDED(hr))
 137             hr = IDirectSoundBuffer_GetCurrentPosition(This->dsbuffer, pPlayPos, &write_pos);
 138         if (hr == S_OK)
 139         {
 140             DWORD play_pos = *pPlayPos;
 141
 142             if (play_pos < This->last_play_pos)
 143                 This->play_loops++;
 144             This->last_play_pos = play_pos;
 145
 146             /* If we really fell behind, start at the next possible position
 147              * Also happens when just starting playback for the first time,
 148              * or when flushing
 149              */
 150             if ((This->play_loops*This->buf_size)+play_pos >=
 151                 (This->write_loops*This->buf_size)+This->write_pos)
 152                 This->write_pos = write_pos;
 153
 154             if (pRefTime)
 155             {
 156                 REFERENCE_TIME play_time;
 157                 play_time = ((REFERENCE_TIME)This->play_loops*10000000) +
 158                             ((REFERENCE_TIME)play_pos*10000000/This->buf_size);
 159
 160                 /* Don't let time run backwards */
 161                 if(play_time-This->play_time > 0)
 162                     This->play_time = play_time;
 163                 else
 164                     hr = S_FALSE;
 165
 166                 *pRefTime = This->play_time;
 167             }
 168         }
 169     }
 170     LeaveCriticalSection(&This->csFilter);
 171
 172     return hr;
 173 }
 174
 175 static HRESULT DSoundRender_SendSampleData(DSoundRenderImpl* This, const BYTE *data, DWORD size)
 176 {
 177     HRESULT hr = S_OK;
 178     LPBYTE lpbuf1 = NULL;
 179     LPBYTE lpbuf2 = NULL;
 180     DWORD dwsize1 = 0;
 181     DWORD dwsize2 = 0;
 182     DWORD size2;
 183     DWORD play_pos,buf_free;
 184
 185     do {
 186
 187         hr = DSoundRender_GetPos(This, &play_pos, NULL);
 188         if (hr != DS_OK)
 189         {
 190             ERR("GetPos returned error: %x\n", hr);
 191             break;
 192         }
 193         if (This->write_pos <= play_pos)
 194              buf_free = play_pos-This->write_pos;
 195         else
 196              buf_free = This->buf_size - This->write_pos + play_pos;
 197
 198         /* Wait for enough of the buffer to empty before filling it */
 199         if(buf_free < This->buf_size/4)
 200         {
 201             Sleep(50);
 202             continue;
 203         }
 204
 205         size2 = min(buf_free, size);
 206         hr = IDirectSoundBuffer_Lock(This->dsbuffer, This->write_pos, size2, (LPVOID *)&lpbuf1, &dwsize1, (LPVOID *)&lpbuf2, &dwsize2, 0);
 207         if (hr != DS_OK) {
 208             ERR("Unable to lock sound buffer! (%x)\n", hr);
 209             break;
 210         }
 211         /* TRACE("write_pos=%d, size=%d, sz1=%d, sz2=%d\n", This->write_pos, size2, dwsize1, dwsize2); */
 212
 213         memcpy(lpbuf1, data, dwsize1);
 214         if (dwsize2)
 215             memcpy(lpbuf2, data + dwsize1, dwsize2);
 216
 217         hr = IDirectSoundBuffer_Unlock(This->dsbuffer, lpbuf1, dwsize1, lpbuf2, dwsize2);
 218         if (hr != DS_OK)
 219             ERR("Unable to unlock sound buffer! (%x)\n", hr);
 220
 221         size -= dwsize1 + dwsize2;
 222         data += dwsize1 + dwsize2;
 223         This->write_pos += dwsize1 + dwsize2;
 224         if (This->write_pos >= This->buf_size)
 225         {
 226             This->write_pos -= This->buf_size;
 227             This->write_loops++;
 228         }
 229     } while (size && This->state == State_Running);
 230
 231     return hr;
 232 }
 233
 234 static HRESULT DSoundRender_Sample(LPVOID iface, IMediaSample * pSample)
 235 {
 236     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 237     LPBYTE pbSrcStream = NULL;
 238     long cbSrcStream = 0;
 239     REFERENCE_TIME tStart, tStop;
 240     HRESULT hr;
 241
 242     TRACE("%p %p\n", iface, pSample);
 243
 244     /* Slightly incorrect, Pause completes when a frame is received so we should signal
 245      * pause completion here, but for sound playing a single frame doesn't make sense
 246      */
 247
 248     if (This->state == State_Paused)
 249         return S_FALSE;
 250
 251     if (This->state == State_Stopped)
 252         return S_FALSE;
 253
 254     hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
 255     if (FAILED(hr))
 256     {
 257         ERR("Cannot get pointer to sample data (%x)\n", hr);
 258         return hr;
 259     }
 260
 261     hr = IMediaSample_GetTime(pSample, &tStart, &tStop);
 262     if (FAILED(hr))
 263         ERR("Cannot get sample time (%x)\n", hr);
 264
 265     if (This->rtLastStop != tStart && (IMediaSample_IsDiscontinuity(pSample) == S_FALSE))
 266         FIXME("Unexpected discontinuity: Last: %u.%03u, tStart: %u.%03u\n",
 267             (DWORD)(This->rtLastStop / 10000000), (DWORD)((This->rtLastStop / 10000)%1000),
 268             (DWORD)(tStart / 10000000), (DWORD)((tStart / 10000)%1000));
 269     This->rtLastStop = tStop;
 270
 271     if (IMediaSample_IsPreroll(pSample) == S_OK)
 272     {
 273         TRACE("Preroll!\n");
 274         return S_OK;
 275     }
 276
 277     cbSrcStream = IMediaSample_GetActualDataLength(pSample);
 278     TRACE("Sample data ptr = %p, size = %ld\n", pbSrcStream, cbSrcStream);
 279
 280 #if 0 /* For debugging purpose */
 281     {
 282         int i;
 283         for(i = 0; i < cbSrcStream; i++)
 284         {
 285             if ((i!=0) && !(i%16))
 286                 TRACE("\n");
 287             TRACE("%02x ", pbSrcStream[i]);
 288         }
 289         TRACE("\n");
 290     }
 291 #endif
 292
 293     return DSoundRender_SendSampleData(This, pbSrcStream, cbSrcStream);
 294 }
 295
 296 static HRESULT DSoundRender_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
 297 {
 298     WAVEFORMATEX* format = (WAVEFORMATEX*)pmt->pbFormat;
 299     TRACE("wFormatTag = %x %x\n", format->wFormatTag, WAVE_FORMAT_PCM);
 300     TRACE("nChannels = %d\n", format->nChannels);
 301     TRACE("nSamplesPerSec = %d\n", format->nAvgBytesPerSec);
 302     TRACE("nAvgBytesPerSec = %d\n", format->nAvgBytesPerSec);
 303     TRACE("nBlockAlign = %d\n", format->nBlockAlign);
 304     TRACE("wBitsPerSample = %d\n", format->wBitsPerSample);
 305
 306     if (IsEqualIID(&pmt->majortype, &MEDIATYPE_Audio) && IsEqualIID(&pmt->subtype, &MEDIASUBTYPE_PCM))
 307         return S_OK;
 308     return S_FALSE;
 309 }
 310
 311 HRESULT DSoundRender_create(IUnknown * pUnkOuter, LPVOID * ppv)
 312 {
 313     HRESULT hr;
 314     PIN_INFO piInput;
 315     DSoundRenderImpl * pDSoundRender;
 316
 317     TRACE("(%p, %p)\n", pUnkOuter, ppv);
 318
 319     *ppv = NULL;
 320
 321     if (pUnkOuter)
 322         return CLASS_E_NOAGGREGATION;
 323
 324     pDSoundRender = CoTaskMemAlloc(sizeof(DSoundRenderImpl));
 325     if (!pDSoundRender)
 326         return E_OUTOFMEMORY;
 327     ZeroMemory(pDSoundRender, sizeof(DSoundRenderImpl));
 328
 329     pDSoundRender->lpVtbl = &DSoundRender_Vtbl;
 330     pDSoundRender->IBasicAudio_vtbl = &IBasicAudio_Vtbl;
 331     pDSoundRender->IReferenceClock_vtbl = &IReferenceClock_Vtbl;
 332     pDSoundRender->refCount = 1;
 333     InitializeCriticalSection(&pDSoundRender->csFilter);
 334     pDSoundRender->csFilter.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": DSoundRenderImpl.csFilter");
 335     pDSoundRender->state = State_Stopped;
 336
 337     pDSoundRender->ppPins = CoTaskMemAlloc(1 * sizeof(IPin *));
 338     if (!pDSoundRender->ppPins)
 339     {
 340         pDSoundRender->csFilter.DebugInfo->Spare[0] = 0;
 341         DeleteCriticalSection(&pDSoundRender->csFilter);
 342         CoTaskMemFree(pDSoundRender);
 343         return E_OUTOFMEMORY;
 344     }
 345
 346     /* construct input pin */
 347     piInput.dir = PINDIR_INPUT;
 348     piInput.pFilter = (IBaseFilter *)pDSoundRender;
 349     lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
 350     hr = InputPin_Construct(&DSoundRender_InputPin_Vtbl, &piInput, DSoundRender_Sample, pDSoundRender, DSoundRender_QueryAccept, NULL, &pDSoundRender->csFilter, (IPin **)&pDSoundRender->pInputPin);
 351
 352     if (SUCCEEDED(hr))
 353     {
 354         hr = DirectSoundCreate(NULL, &pDSoundRender->dsound, NULL);
 355         if (FAILED(hr))
 356             ERR("Cannot create Direct Sound object (%x)\n", hr);
 357     }
 358
 359     if (SUCCEEDED(hr))
 360     {
 361         MediaSeekingImpl_Init((IBaseFilter*)pDSoundRender, sound_mod_stop, sound_mod_start, sound_mod_rate, &pDSoundRender->mediaSeeking, &pDSoundRender->csFilter);
 362         pDSoundRender->mediaSeeking.lpVtbl = &IMediaSeeking_Vtbl;
 363
 364         pDSoundRender->ppPins[0] = (IPin *)pDSoundRender->pInputPin;
 365         *ppv = (LPVOID)pDSoundRender;
 366     }
 367     else
 368     {
 369         if (pDSoundRender->pInputPin)
 370             IPin_Release((IPin*)pDSoundRender->pInputPin);
 371         CoTaskMemFree(pDSoundRender->ppPins);
 372         pDSoundRender->csFilter.DebugInfo->Spare[0] = 0;
 373         DeleteCriticalSection(&pDSoundRender->csFilter);
 374         CoTaskMemFree(pDSoundRender);
 375     }
 376
 377     return hr;
 378 }
 379
 380 static HRESULT WINAPI DSoundRender_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
 381 {
 382     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 383     TRACE("(%p, %p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
 384
 385     *ppv = NULL;
 386
 387     if (IsEqualIID(riid, &IID_IUnknown))
 388         *ppv = (LPVOID)This;
 389     else if (IsEqualIID(riid, &IID_IPersist))
 390         *ppv = (LPVOID)This;
 391     else if (IsEqualIID(riid, &IID_IMediaFilter))
 392         *ppv = (LPVOID)This;
 393     else if (IsEqualIID(riid, &IID_IBaseFilter))
 394         *ppv = (LPVOID)This;
 395     else if (IsEqualIID(riid, &IID_IBasicAudio))
 396         *ppv = (LPVOID)&(This->IBasicAudio_vtbl);
 397     else if (IsEqualIID(riid, &IID_IReferenceClock))
 398         *ppv = (LPVOID)&(This->IReferenceClock_vtbl);
 399     else if (IsEqualIID(riid, &IID_IMediaSeeking))
 400         *ppv = &This->mediaSeeking.lpVtbl;
 401
 402     if (*ppv)
 403     {
 404         IUnknown_AddRef((IUnknown *)(*ppv));
 405         return S_OK;
 406     }
 407
 408     if (!IsEqualIID(riid, &IID_IPin) && !IsEqualIID(riid, &IID_IVideoWindow))
 409         FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 410
 411     return E_NOINTERFACE;
 412 }
 413
 414 static ULONG WINAPI DSoundRender_AddRef(IBaseFilter * iface)
 415 {
 416     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 417     ULONG refCount = InterlockedIncrement(&This->refCount);
 418
 419     TRACE("(%p/%p)->() AddRef from %d\n", This, iface, refCount - 1);
 420
 421     return refCount;
 422 }
 423
 424 static ULONG WINAPI DSoundRender_Release(IBaseFilter * iface)
 425 {
 426     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 427     ULONG refCount = InterlockedDecrement(&This->refCount);
 428
 429     TRACE("(%p)->() Release from %d\n", This, refCount + 1);
 430
 431     if (!refCount)
 432     {
 433         IPin *pConnectedTo;
 434
 435         if (This->pClock)
 436             IReferenceClock_Release(This->pClock);
 437
 438         if (This->dsbuffer)
 439             IDirectSoundBuffer_Release(This->dsbuffer);
 440         This->dsbuffer = NULL;
 441         if (This->dsound)
 442             IDirectSound_Release(This->dsound);
 443         This->dsound = NULL;
 444
 445         if (SUCCEEDED(IPin_ConnectedTo(This->ppPins[0], &pConnectedTo)))
 446         {
 447             IPin_Disconnect(pConnectedTo);
 448             IPin_Release(pConnectedTo);
 449         }
 450         IPin_Disconnect(This->ppPins[0]);
 451
 452         IPin_Release(This->ppPins[0]);
 453
 454         CoTaskMemFree(This->ppPins);
 455         This->lpVtbl = NULL;
 456         This->IBasicAudio_vtbl = NULL;
 457
 458         This->csFilter.DebugInfo->Spare[0] = 0;
 459         DeleteCriticalSection(&This->csFilter);
 460
 461         TRACE("Destroying Audio Renderer\n");
 462         CoTaskMemFree(This);
 463
 464         return 0;
 465     }
 466     else
 467         return refCount;
 468 }
 469
 470 /** IPersist methods **/
 471
 472 static HRESULT WINAPI DSoundRender_GetClassID(IBaseFilter * iface, CLSID * pClsid)
 473 {
 474     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 475     TRACE("(%p/%p)->(%p)\n", This, iface, pClsid);
 476
 477     *pClsid = CLSID_DSoundRender;
 478
 479     return S_OK;
 480 }
 481
 482 /** IMediaFilter methods **/
 483
 484 static HRESULT WINAPI DSoundRender_Stop(IBaseFilter * iface)
 485 {
 486     HRESULT hr = S_OK;
 487     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 488
 489     TRACE("(%p/%p)->()\n", This, iface);
 490
 491     EnterCriticalSection(&This->csFilter);
 492     {
 493         DWORD state = 0;
 494         if (This->dsbuffer)
 495         {
 496             hr = IDirectSoundBuffer_GetStatus(This->dsbuffer, &state);
 497             if (SUCCEEDED(hr))
 498             {
 499                 if (state & DSBSTATUS_PLAYING)
 500                     hr = IDirectSoundBuffer_Stop(This->dsbuffer);
 501             }
 502         }
 503         if (SUCCEEDED(hr))
 504             This->state = State_Stopped;
 505     }
 506     LeaveCriticalSection(&This->csFilter);
 507
 508     return hr;
 509 }
 510
 511 static HRESULT WINAPI DSoundRender_Pause(IBaseFilter * iface)
 512 {
 513     HRESULT hr = S_OK;
 514     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 515
 516     TRACE("(%p/%p)->()\n", This, iface);
 517
 518     EnterCriticalSection(&This->csFilter);
 519     {
 520         DWORD state = 0;
 521         if (This->state == State_Stopped)
 522             This->pInputPin->end_of_stream = 0;
 523
 524         if (This->dsbuffer)
 525         {
 526             hr = IDirectSoundBuffer_GetStatus(This->dsbuffer, &state);
 527             if (SUCCEEDED(hr))
 528             {
 529                 if (state & DSBSTATUS_PLAYING)
 530                     hr = IDirectSoundBuffer_Stop(This->dsbuffer);
 531             }
 532         }
 533         if (SUCCEEDED(hr))
 534             This->state = State_Paused;
 535     }
 536     LeaveCriticalSection(&This->csFilter);
 537
 538     return hr;
 539 }
 540
 541 static HRESULT WINAPI DSoundRender_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
 542 {
 543     HRESULT hr = S_OK;
 544     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 545
 546     TRACE("(%p/%p)->(%s)\n", This, iface, wine_dbgstr_longlong(tStart));
 547
 548     EnterCriticalSection(&This->csFilter);
 549     {
 550         This->rtStreamStart = tStart;
 551         This->state = State_Running;
 552         This->pInputPin->end_of_stream = 0;
 553     }
 554     LeaveCriticalSection(&This->csFilter);
 555
 556     return hr;
 557 }
 558
 559 static HRESULT WINAPI DSoundRender_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
 560 {
 561     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 562
 563     TRACE("(%p/%p)->(%d, %p)\n", This, iface, dwMilliSecsTimeout, pState);
 564
 565     EnterCriticalSection(&This->csFilter);
 566     {
 567         *pState = This->state;
 568     }
 569     LeaveCriticalSection(&This->csFilter);
 570
 571     return S_OK;
 572 }
 573
 574 static HRESULT WINAPI DSoundRender_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
 575 {
 576     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 577
 578     TRACE("(%p/%p)->(%p)\n", This, iface, pClock);
 579
 580     EnterCriticalSection(&This->csFilter);
 581     {
 582         if (This->pClock)
 583             IReferenceClock_Release(This->pClock);
 584         This->pClock = pClock;
 585         if (This->pClock)
 586             IReferenceClock_AddRef(This->pClock);
 587     }
 588     LeaveCriticalSection(&This->csFilter);
 589
 590     return S_OK;
 591 }
 592
 593 static HRESULT WINAPI DSoundRender_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
 594 {
 595     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 596
 597     TRACE("(%p/%p)->(%p)\n", This, iface, ppClock);
 598
 599     EnterCriticalSection(&This->csFilter);
 600     {
 601         *ppClock = This->pClock;
 602         if (This->pClock)
 603             IReferenceClock_AddRef(This->pClock);
 604     }
 605     LeaveCriticalSection(&This->csFilter);
 606
 607     return S_OK;
 608 }
 609
 610 /** IBaseFilter implementation **/
 611
 612 static HRESULT WINAPI DSoundRender_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
 613 {
 614     ENUMPINDETAILS epd;
 615     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 616
 617     TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
 618
 619     epd.cPins = 1; /* input pin */
 620     epd.ppPins = This->ppPins;
 621     return IEnumPinsImpl_Construct(&epd, ppEnum);
 622 }
 623
 624 static HRESULT WINAPI DSoundRender_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
 625 {
 626     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 627
 628     TRACE("(%p/%p)->(%s,%p)\n", This, iface, debugstr_w(Id), ppPin);
 629
 630     FIXME("DSoundRender::FindPin(...)\n");
 631
 632     /* FIXME: critical section */
 633
 634     return E_NOTIMPL;
 635 }
 636
 637 static HRESULT WINAPI DSoundRender_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
 638 {
 639     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 640
 641     TRACE("(%p/%p)->(%p)\n", This, iface, pInfo);
 642
 643     strcpyW(pInfo->achName, This->filterInfo.achName);
 644     pInfo->pGraph = This->filterInfo.pGraph;
 645
 646     if (pInfo->pGraph)
 647         IFilterGraph_AddRef(pInfo->pGraph);
 648
 649     return S_OK;
 650 }
 651
 652 static HRESULT WINAPI DSoundRender_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
 653 {
 654     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 655
 656     TRACE("(%p/%p)->(%p, %s)\n", This, iface, pGraph, debugstr_w(pName));
 657
 658     EnterCriticalSection(&This->csFilter);
 659     {
 660         if (pName)
 661             strcpyW(This->filterInfo.achName, pName);
 662         else
 663             *This->filterInfo.achName = '\0';
 664         This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
 665     }
 666     LeaveCriticalSection(&This->csFilter);
 667
 668     return S_OK;
 669 }
 670
 671 static HRESULT WINAPI DSoundRender_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
 672 {
 673     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 674     TRACE("(%p/%p)->(%p)\n", This, iface, pVendorInfo);
 675     return E_NOTIMPL;
 676 }
 677
 678 static const IBaseFilterVtbl DSoundRender_Vtbl =
 679 {
 680     DSoundRender_QueryInterface,
 681     DSoundRender_AddRef,
 682     DSoundRender_Release,
 683     DSoundRender_GetClassID,
 684     DSoundRender_Stop,
 685     DSoundRender_Pause,
 686     DSoundRender_Run,
 687     DSoundRender_GetState,
 688     DSoundRender_SetSyncSource,
 689     DSoundRender_GetSyncSource,
 690     DSoundRender_EnumPins,
 691     DSoundRender_FindPin,
 692     DSoundRender_QueryFilterInfo,
 693     DSoundRender_JoinFilterGraph,
 694     DSoundRender_QueryVendorInfo
 695 };
 696
 697 static HRESULT WINAPI DSoundRender_InputPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
 698 {
 699     InputPin *This = (InputPin *)iface;
 700     PIN_DIRECTION pindirReceive;
 701     DSoundRenderImpl *DSImpl;
 702     HRESULT hr = S_OK;
 703
 704     TRACE("(%p)->(%p, %p)\n", This, pReceivePin, pmt);
 705     dump_AM_MEDIA_TYPE(pmt);
 706
 707     EnterCriticalSection(This->pin.pCritSec);
 708     {
 709         DSImpl = (DSoundRenderImpl*)This->pin.pinInfo.pFilter;
 710         DSImpl->rtLastStop = -1;
 711
 712         if (This->pin.pConnectedTo)
 713             hr = VFW_E_ALREADY_CONNECTED;
 714
 715         if (SUCCEEDED(hr) && This->pin.fnQueryAccept(This->pin.pUserData, pmt) != S_OK)
 716             hr = VFW_E_TYPE_NOT_ACCEPTED;
 717
 718         if (SUCCEEDED(hr))
 719         {
 720             IPin_QueryDirection(pReceivePin, &pindirReceive);
 721
 722             if (pindirReceive != PINDIR_OUTPUT)
 723             {
 724                 ERR("Can't connect from non-output pin\n");
 725                 hr = VFW_E_INVALID_DIRECTION;
 726             }
 727         }
 728
 729         if (SUCCEEDED(hr))
 730         {
 731             WAVEFORMATEX *format;
 732             DSBUFFERDESC buf_desc;
 733
 734             TRACE("MajorType %s\n", debugstr_guid(&pmt->majortype));
 735             TRACE("SubType %s\n", debugstr_guid(&pmt->subtype));
 736             TRACE("Format %s\n", debugstr_guid(&pmt->formattype));
 737             TRACE("Size %d\n", pmt->cbFormat);
 738
 739             format = (WAVEFORMATEX*)pmt->pbFormat;
 740
 741             DSImpl->buf_size = format->nAvgBytesPerSec;
 742
 743             memset(&buf_desc,0,sizeof(DSBUFFERDESC));
 744             buf_desc.dwSize = sizeof(DSBUFFERDESC);
 745             buf_desc.dwFlags = DSBCAPS_CTRLVOLUME | DSBCAPS_CTRLPAN |
 746                                DSBCAPS_CTRLFREQUENCY |
 747                                DSBCAPS_GETCURRENTPOSITION2;
 748             buf_desc.dwBufferBytes = DSImpl->buf_size;
 749             buf_desc.lpwfxFormat = format;
 750             hr = IDirectSound_CreateSoundBuffer(DSImpl->dsound, &buf_desc, &DSImpl->dsbuffer, NULL);
 751             if (FAILED(hr))
 752                 ERR("Can't create sound buffer (%x)\n", hr);
 753         }
 754
 755         if (SUCCEEDED(hr))
 756         {
 757             hr = IDirectSoundBuffer_SetVolume(DSImpl->dsbuffer, DSImpl->volume);
 758             if (FAILED(hr))
 759                 ERR("Can't set volume to %ld (%x)\n", DSImpl->volume, hr);
 760
 761             hr = IDirectSoundBuffer_SetPan(DSImpl->dsbuffer, DSImpl->pan);
 762             if (FAILED(hr))
 763                 ERR("Can't set pan to %ld (%x)\n", DSImpl->pan, hr);
 764
 765             DSImpl->write_pos = 0;
 766             hr = S_OK;
 767         }
 768
 769         if (SUCCEEDED(hr))
 770         {
 771             CopyMediaType(&This->pin.mtCurrent, pmt);
 772             This->pin.pConnectedTo = pReceivePin;
 773             IPin_AddRef(pReceivePin);
 774         }
 775         else
 776         {
 777             if (DSImpl->dsbuffer)
 778                 IDirectSoundBuffer_Release(DSImpl->dsbuffer);
 779             DSImpl->dsbuffer = NULL;
 780         }
 781     }
 782     LeaveCriticalSection(This->pin.pCritSec);
 783
 784     return hr;
 785 }
 786
 787 static HRESULT WINAPI DSoundRender_InputPin_Disconnect(IPin * iface)
 788 {
 789     IPinImpl *This = (IPinImpl*)iface;
 790     DSoundRenderImpl *DSImpl;
 791
 792     TRACE("(%p)->()\n", iface);
 793
 794     DSImpl = (DSoundRenderImpl*)This->pinInfo.pFilter;
 795     if (DSImpl->dsbuffer)
 796         IDirectSoundBuffer_Release(DSImpl->dsbuffer);
 797     DSImpl->dsbuffer = NULL;
 798
 799     return IPinImpl_Disconnect(iface);
 800 }
 801
 802 static HRESULT WINAPI DSoundRender_InputPin_EndOfStream(IPin * iface)
 803 {
 804     InputPin* This = (InputPin*)iface;
 805     DSoundRenderImpl *me = (DSoundRenderImpl*)This->pin.pinInfo.pFilter;
 806     IMediaEventSink* pEventSink;
 807     HRESULT hr;
 808
 809     EnterCriticalSection(This->pin.pCritSec);
 810
 811     TRACE("(%p/%p)->()\n", This, iface);
 812     InputPin_EndOfStream(iface);
 813
 814     hr = IFilterGraph_QueryInterface(me->filterInfo.pGraph, &IID_IMediaEventSink, (LPVOID*)&pEventSink);
 815     if (SUCCEEDED(hr))
 816     {
 817         BYTE * silence;
 818
 819         silence = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, me->buf_size);
 820         if (silence)
 821         {
 822             memset(silence, 0, me->buf_size);
 823             DSoundRender_SendSampleData((DSoundRenderImpl*)This->pin.pinInfo.pFilter, silence, me->buf_size);
 824             HeapFree(GetProcessHeap(), 0, silence);
 825         }
 826
 827         hr = IMediaEventSink_Notify(pEventSink, EC_COMPLETE, S_OK, 0);
 828         IMediaEventSink_Release(pEventSink);
 829     }
 830     LeaveCriticalSection(This->pin.pCritSec);
 831
 832     return hr;
 833 }
 834
 835 static HRESULT WINAPI DSoundRender_InputPin_BeginFlush(IPin * iface)
 836 {
 837     InputPin *This = (InputPin *)iface;
 838     DSoundRenderImpl *pFilter = (DSoundRenderImpl *)This->pin.pinInfo.pFilter;
 839     HRESULT hr;
 840     LPBYTE buffer;
 841     DWORD size;
 842
 843     TRACE("\n");
 844
 845     EnterCriticalSection(This->pin.pCritSec);
 846     hr = InputPin_BeginFlush(iface);
 847
 848     if (pFilter->dsbuffer)
 849     {
 850         IDirectSoundBuffer_Stop(pFilter->dsbuffer);
 851
 852         /* Force a reset */
 853         IDirectSoundBuffer_SetCurrentPosition(pFilter->dsbuffer, 0);
 854         pFilter->write_pos = pFilter->last_play_pos = 0;
 855         ++pFilter->play_loops;
 856         pFilter->write_loops = pFilter->play_loops;
 857
 858         IDirectSoundBuffer_Lock(pFilter->dsbuffer, 0, 0, (LPVOID *)&buffer, &size, NULL, NULL, DSBLOCK_ENTIREBUFFER);
 859         memset(buffer, 0, size);
 860         IDirectSoundBuffer_Unlock(pFilter->dsbuffer, buffer, size, NULL, 0);
 861     }
 862     LeaveCriticalSection(This->pin.pCritSec);
 863
 864     return hr;
 865 }
 866
 867 static const IPinVtbl DSoundRender_InputPin_Vtbl =
 868 {
 869     InputPin_QueryInterface,
 870     IPinImpl_AddRef,
 871     InputPin_Release,
 872     InputPin_Connect,
 873     DSoundRender_InputPin_ReceiveConnection,
 874     DSoundRender_InputPin_Disconnect,
 875     IPinImpl_ConnectedTo,
 876     IPinImpl_ConnectionMediaType,
 877     IPinImpl_QueryPinInfo,
 878     IPinImpl_QueryDirection,
 879     IPinImpl_QueryId,
 880     IPinImpl_QueryAccept,
 881     IPinImpl_EnumMediaTypes,
 882     IPinImpl_QueryInternalConnections,
 883     DSoundRender_InputPin_EndOfStream,
 884     DSoundRender_InputPin_BeginFlush,
 885     InputPin_EndFlush,
 886     InputPin_NewSegment
 887 };
 888
 889 static const IMemInputPinVtbl MemInputPin_Vtbl =
 890 {
 891     MemInputPin_QueryInterface,
 892     MemInputPin_AddRef,
 893     MemInputPin_Release,
 894     MemInputPin_GetAllocator,
 895     MemInputPin_NotifyAllocator,
 896     MemInputPin_GetAllocatorRequirements,
 897     MemInputPin_Receive,
 898     MemInputPin_ReceiveMultiple,
 899     MemInputPin_ReceiveCanBlock
 900 };
 901
 902 /*** IUnknown methods ***/
 903 static HRESULT WINAPI Basicaudio_QueryInterface(IBasicAudio *iface,
 904                                                 REFIID riid,
 905                                                 LPVOID*ppvObj) {
 906     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 907
 908     TRACE("(%p/%p)->(%s (%p), %p)\n", This, iface, debugstr_guid(riid), riid, ppvObj);
 909
 910     return DSoundRender_QueryInterface((IBaseFilter*)This, riid, ppvObj);
 911 }
 912
 913 static ULONG WINAPI Basicaudio_AddRef(IBasicAudio *iface) {
 914     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 915
 916     TRACE("(%p/%p)->()\n", This, iface);
 917
 918     return DSoundRender_AddRef((IBaseFilter*)This);
 919 }
 920
 921 static ULONG WINAPI Basicaudio_Release(IBasicAudio *iface) {
 922     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 923
 924     TRACE("(%p/%p)->()\n", This, iface);
 925
 926     return DSoundRender_Release((IBaseFilter*)This);
 927 }
 928
 929 /*** IDispatch methods ***/
 930 static HRESULT WINAPI Basicaudio_GetTypeInfoCount(IBasicAudio *iface,
 931                                                   UINT*pctinfo) {
 932     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 933
 934     TRACE("(%p/%p)->(%p): stub !!!\n", This, iface, pctinfo);
 935
 936     return S_OK;
 937 }
 938
 939 static HRESULT WINAPI Basicaudio_GetTypeInfo(IBasicAudio *iface,
 940                                              UINT iTInfo,
 941                                              LCID lcid,
 942                                              ITypeInfo**ppTInfo) {
 943     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 944
 945     TRACE("(%p/%p)->(%d, %d, %p): stub !!!\n", This, iface, iTInfo, lcid, ppTInfo);
 946
 947     return S_OK;
 948 }
 949
 950 static HRESULT WINAPI Basicaudio_GetIDsOfNames(IBasicAudio *iface,
 951                                                REFIID riid,
 952                                                LPOLESTR*rgszNames,
 953                                                UINT cNames,
 954                                                LCID lcid,
 955                                                DISPID*rgDispId) {
 956     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 957
 958     TRACE("(%p/%p)->(%s (%p), %p, %d, %d, %p): stub !!!\n", This, iface, debugstr_guid(riid), riid, rgszNames, cNames, lcid, rgDispId);
 959
 960     return S_OK;
 961 }
 962
 963 static HRESULT WINAPI Basicaudio_Invoke(IBasicAudio *iface,
 964                                         DISPID dispIdMember,
 965                                         REFIID riid,
 966                                         LCID lcid,
 967                                         WORD wFlags,
 968                                         DISPPARAMS*pDispParams,
 969                                         VARIANT*pVarResult,
 970                                         EXCEPINFO*pExepInfo,
 971                                         UINT*puArgErr) {
 972     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 973
 974     TRACE("(%p/%p)->(%d, %s (%p), %d, %04x, %p, %p, %p, %p): stub !!!\n", This, iface, dispIdMember, debugstr_guid(riid), riid, lcid, wFlags, pDispParams, pVarResult, pExepInfo, puArgErr);
 975
 976     return S_OK;
 977 }
 978
 979 /*** IBasicAudio methods ***/
 980 static HRESULT WINAPI Basicaudio_put_Volume(IBasicAudio *iface,
 981                                             long lVolume) {
 982     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 983
 984     TRACE("(%p/%p)->(%ld)\n", This, iface, lVolume);
 985
 986     if (lVolume > DSBVOLUME_MAX || lVolume < DSBVOLUME_MIN)
 987         return E_INVALIDARG;
 988
 989     if (This->dsbuffer) {
 990         if (FAILED(IDirectSoundBuffer_SetVolume(This->dsbuffer, lVolume)))
 991             return E_FAIL;
 992     }
 993
 994     This->volume = lVolume;
 995     return S_OK;
 996 }
 997
 998 static HRESULT WINAPI Basicaudio_get_Volume(IBasicAudio *iface,
 999                                             long *plVolume) {
1000     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
1001
1002     TRACE("(%p/%p)->(%p)\n", This, iface, plVolume);
1003
1004     if (!plVolume)
1005         return E_POINTER;
1006
1007     *plVolume = This->volume;
1008     return S_OK;
1009 }
1010
1011 static HRESULT WINAPI Basicaudio_put_Balance(IBasicAudio *iface,
1012                                              long lBalance) {
1013     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
1014
1015     TRACE("(%p/%p)->(%ld)\n", This, iface, lBalance);
1016
1017     if (lBalance < DSBPAN_LEFT || lBalance > DSBPAN_RIGHT)
1018         return E_INVALIDARG;
1019
1020     if (This->dsbuffer) {
1021         if (FAILED(IDirectSoundBuffer_SetPan(This->dsbuffer, lBalance)))
1022             return E_FAIL;
1023     }
1024
1025     This->pan = lBalance;
1026     return S_OK;
1027 }
1028
1029 static HRESULT WINAPI Basicaudio_get_Balance(IBasicAudio *iface,
1030                                              long *plBalance) {
1031     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
1032
1033     TRACE("(%p/%p)->(%p)\n", This, iface, plBalance);
1034
1035     if (!plBalance)
1036         return E_POINTER;
1037
1038     *plBalance = This->pan;
1039     return S_OK;
1040 }
1041
1042 static const IBasicAudioVtbl IBasicAudio_Vtbl =
1043 {
1044     Basicaudio_QueryInterface,
1045     Basicaudio_AddRef,
1046     Basicaudio_Release,
1047     Basicaudio_GetTypeInfoCount,
1048     Basicaudio_GetTypeInfo,
1049     Basicaudio_GetIDsOfNames,
1050     Basicaudio_Invoke,
1051     Basicaudio_put_Volume,
1052     Basicaudio_get_Volume,
1053     Basicaudio_put_Balance,
1054     Basicaudio_get_Balance
1055 };
1056
1057
1058 /*** IUnknown methods ***/
1059 static HRESULT WINAPI ReferenceClock_QueryInterface(IReferenceClock *iface,
1060                                                 REFIID riid,
1061                                                 LPVOID*ppvObj)
1062 {
1063     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1064
1065     TRACE("(%p/%p)->(%s (%p), %p)\n", This, iface, debugstr_guid(riid), riid, ppvObj);
1066
1067     return DSoundRender_QueryInterface((IBaseFilter*)This, riid, ppvObj);
1068 }
1069
1070 static ULONG WINAPI ReferenceClock_AddRef(IReferenceClock *iface)
1071 {
1072     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1073
1074     TRACE("(%p/%p)->()\n", This, iface);
1075
1076     return DSoundRender_AddRef((IBaseFilter*)This);
1077 }
1078
1079 static ULONG WINAPI ReferenceClock_Release(IReferenceClock *iface)
1080 {
1081     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1082
1083     TRACE("(%p/%p)->()\n", This, iface);
1084
1085     return DSoundRender_Release((IBaseFilter*)This);
1086 }
1087
1088 /*** IReferenceClock methods ***/
1089 static HRESULT WINAPI ReferenceClock_GetTime(IReferenceClock *iface,
1090                                              REFERENCE_TIME *pTime)
1091 {
1092     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1093     HRESULT hr = E_FAIL;
1094     DWORD play_pos;
1095
1096     TRACE("(%p/%p)->(%p)\n", This, iface, pTime);
1097
1098     if (This->dsbuffer)
1099         hr = DSoundRender_GetPos(This, &play_pos, pTime);
1100     if (FAILED(hr))
1101         ERR("Could not get reference time (%x)!\n", hr);
1102
1103     return hr;
1104 }
1105
1106 static HRESULT WINAPI ReferenceClock_AdviseTime(IReferenceClock *iface,
1107                                                 REFERENCE_TIME rtBaseTime,
1108                                                 REFERENCE_TIME rtStreamTime,
1109                                                 HEVENT hEvent,
1110                                                 DWORD_PTR *pdwAdviseCookie)
1111 {
1112     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1113
1114     FIXME("(%p/%p)->(%s, %s, %p, %p): stub!\n", This, iface, wine_dbgstr_longlong(rtBaseTime), wine_dbgstr_longlong(rtStreamTime), (void*)hEvent, pdwAdviseCookie);
1115
1116     return E_NOTIMPL;
1117 }
1118
1119 static HRESULT WINAPI ReferenceClock_AdvisePeriodic(IReferenceClock *iface,
1120                                                     REFERENCE_TIME rtBaseTime,
1121                                                     REFERENCE_TIME rtStreamTime,
1122                                                     HSEMAPHORE hSemaphore,
1123                                                     DWORD_PTR *pdwAdviseCookie)
1124 {
1125     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1126
1127     FIXME("(%p/%p)->(%s, %s, %p, %p): stub!\n", This, iface, wine_dbgstr_longlong(rtBaseTime), wine_dbgstr_longlong(rtStreamTime), (void*)hSemaphore, pdwAdviseCookie);
1128
1129     return E_NOTIMPL;
1130 }
1131
1132 static HRESULT WINAPI ReferenceClock_Unadvise(IReferenceClock *iface,
1133                                               DWORD_PTR dwAdviseCookie)
1134 {
1135     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1136
1137     FIXME("(%p/%p)->(%p): stub!\n", This, iface, (void*)dwAdviseCookie);
1138
1139     return S_FALSE;
1140 }
1141
1142 static const IReferenceClockVtbl IReferenceClock_Vtbl =
1143 {
1144     ReferenceClock_QueryInterface,
1145     ReferenceClock_AddRef,
1146     ReferenceClock_Release,
1147     ReferenceClock_GetTime,
1148     ReferenceClock_AdviseTime,
1149     ReferenceClock_AdvisePeriodic,
1150     ReferenceClock_Unadvise
1151 };
1152
1153 static inline DSoundRenderImpl *impl_from_IMediaSeeking( IMediaSeeking *iface )
1154 {
1155     return (DSoundRenderImpl *)((char*)iface - FIELD_OFFSET(DSoundRenderImpl, mediaSeeking.lpVtbl));
1156 }
1157
1158 static HRESULT WINAPI sound_seek_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
1159 {
1160     DSoundRenderImpl *This = impl_from_IMediaSeeking(iface);
1161
1162     return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
1163 }
1164
1165 static ULONG WINAPI sound_seek_AddRef(IMediaSeeking * iface)
1166 {
1167     DSoundRenderImpl *This = impl_from_IMediaSeeking(iface);
1168
1169     return IUnknown_AddRef((IUnknown *)This);
1170 }
1171
1172 static ULONG WINAPI sound_seek_Release(IMediaSeeking * iface)
1173 {
1174     DSoundRenderImpl *This = impl_from_IMediaSeeking(iface);
1175
1176     return IUnknown_Release((IUnknown *)This);
1177 }
1178
1179 static const IMediaSeekingVtbl IMediaSeeking_Vtbl =
1180 {
1181     sound_seek_QueryInterface,
1182     sound_seek_AddRef,
1183     sound_seek_Release,
1184     MediaSeekingImpl_GetCapabilities,
1185     MediaSeekingImpl_CheckCapabilities,
1186     MediaSeekingImpl_IsFormatSupported,
1187     MediaSeekingImpl_QueryPreferredFormat,
1188     MediaSeekingImpl_GetTimeFormat,
1189     MediaSeekingImpl_IsUsingTimeFormat,
1190     MediaSeekingImpl_SetTimeFormat,
1191     MediaSeekingImpl_GetDuration,
1192     MediaSeekingImpl_GetStopPosition,
1193     MediaSeekingImpl_GetCurrentPosition,
1194     MediaSeekingImpl_ConvertTimeFormat,
1195     MediaSeekingImpl_SetPositions,
1196     MediaSeekingImpl_GetPositions,
1197     MediaSeekingImpl_GetAvailable,
1198     MediaSeekingImpl_SetRate,
1199     MediaSeekingImpl_GetRate,
1200     MediaSeekingImpl_GetPreroll
1201 };