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 appropiate 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 receiving a single frame doesn't make sense
 246      */
 247     if (This->state == State_Paused)
 248         return S_FALSE;
 249
 250     if (This->state == State_Stopped)
 251         return S_FALSE;
 252
 253     hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
 254     if (FAILED(hr))
 255     {
 256         ERR("Cannot get pointer to sample data (%x)\n", hr);
 257         return hr;
 258     }
 259
 260     hr = IMediaSample_GetTime(pSample, &tStart, &tStop);
 261     if (FAILED(hr))
 262         ERR("Cannot get sample time (%x)\n", hr);
 263
 264     if (This->rtLastStop != tStart && (IMediaSample_IsDiscontinuity(pSample) == S_FALSE))
 265         FIXME("Unexpected discontinuity: Last: %lld, tStart: %lld\n", This->rtLastStop, tStart);
 266     This->rtLastStop = tStop;
 267
 268     cbSrcStream = IMediaSample_GetActualDataLength(pSample);
 269     TRACE("Sample data ptr = %p, size = %ld\n", pbSrcStream, cbSrcStream);
 270
 271 #if 0 /* For debugging purpose */
 272     {
 273         int i;
 274         for(i = 0; i < cbSrcStream; i++)
 275         {
 276             if ((i!=0) && !(i%16))
 277                 TRACE("\n");
 278             TRACE("%02x ", pbSrcStream[i]);
 279         }
 280         TRACE("\n");
 281     }
 282 #endif
 283
 284     return DSoundRender_SendSampleData(This, pbSrcStream, cbSrcStream);
 285 }
 286
 287 static HRESULT DSoundRender_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
 288 {
 289     WAVEFORMATEX* format = (WAVEFORMATEX*)pmt->pbFormat;
 290     TRACE("wFormatTag = %x %x\n", format->wFormatTag, WAVE_FORMAT_PCM);
 291     TRACE("nChannels = %d\n", format->nChannels);
 292     TRACE("nSamplesPerSec = %d\n", format->nAvgBytesPerSec);
 293     TRACE("nAvgBytesPerSec = %d\n", format->nAvgBytesPerSec);
 294     TRACE("nBlockAlign = %d\n", format->nBlockAlign);
 295     TRACE("wBitsPerSample = %d\n", format->wBitsPerSample);
 296
 297     if (IsEqualIID(&pmt->majortype, &MEDIATYPE_Audio) && IsEqualIID(&pmt->subtype, &MEDIASUBTYPE_PCM))
 298         return S_OK;
 299     return S_FALSE;
 300 }
 301
 302 HRESULT DSoundRender_create(IUnknown * pUnkOuter, LPVOID * ppv)
 303 {
 304     HRESULT hr;
 305     PIN_INFO piInput;
 306     DSoundRenderImpl * pDSoundRender;
 307
 308     TRACE("(%p, %p)\n", pUnkOuter, ppv);
 309
 310     *ppv = NULL;
 311
 312     if (pUnkOuter)
 313         return CLASS_E_NOAGGREGATION;
 314
 315     pDSoundRender = CoTaskMemAlloc(sizeof(DSoundRenderImpl));
 316     if (!pDSoundRender)
 317         return E_OUTOFMEMORY;
 318     ZeroMemory(pDSoundRender, sizeof(DSoundRenderImpl));
 319
 320     pDSoundRender->lpVtbl = &DSoundRender_Vtbl;
 321     pDSoundRender->IBasicAudio_vtbl = &IBasicAudio_Vtbl;
 322     pDSoundRender->IReferenceClock_vtbl = &IReferenceClock_Vtbl;
 323     pDSoundRender->refCount = 1;
 324     InitializeCriticalSection(&pDSoundRender->csFilter);
 325     pDSoundRender->csFilter.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": DSoundRenderImpl.csFilter");
 326     pDSoundRender->state = State_Stopped;
 327
 328     pDSoundRender->ppPins = CoTaskMemAlloc(1 * sizeof(IPin *));
 329     if (!pDSoundRender->ppPins)
 330     {
 331         pDSoundRender->csFilter.DebugInfo->Spare[0] = 0;
 332         DeleteCriticalSection(&pDSoundRender->csFilter);
 333         CoTaskMemFree(pDSoundRender);
 334         return E_OUTOFMEMORY;
 335     }
 336
 337     /* construct input pin */
 338     piInput.dir = PINDIR_INPUT;
 339     piInput.pFilter = (IBaseFilter *)pDSoundRender;
 340     lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
 341     hr = InputPin_Construct(&DSoundRender_InputPin_Vtbl, &piInput, DSoundRender_Sample, pDSoundRender, DSoundRender_QueryAccept, NULL, &pDSoundRender->csFilter, (IPin **)&pDSoundRender->pInputPin);
 342
 343     if (SUCCEEDED(hr))
 344     {
 345         hr = DirectSoundCreate(NULL, &pDSoundRender->dsound, NULL);
 346         if (FAILED(hr))
 347             ERR("Cannot create Direct Sound object (%x)\n", hr);
 348     }
 349
 350     if (SUCCEEDED(hr))
 351     {
 352         MediaSeekingImpl_Init((IBaseFilter*)pDSoundRender, sound_mod_stop, sound_mod_start, sound_mod_rate, &pDSoundRender->mediaSeeking, &pDSoundRender->csFilter);
 353         pDSoundRender->mediaSeeking.lpVtbl = &IMediaSeeking_Vtbl;
 354
 355         pDSoundRender->ppPins[0] = (IPin *)pDSoundRender->pInputPin;
 356         *ppv = (LPVOID)pDSoundRender;
 357     }
 358     else
 359     {
 360         if (pDSoundRender->pInputPin)
 361             IPin_Release((IPin*)pDSoundRender->pInputPin);
 362         CoTaskMemFree(pDSoundRender->ppPins);
 363         pDSoundRender->csFilter.DebugInfo->Spare[0] = 0;
 364         DeleteCriticalSection(&pDSoundRender->csFilter);
 365         CoTaskMemFree(pDSoundRender);
 366     }
 367
 368     return hr;
 369 }
 370
 371 static HRESULT WINAPI DSoundRender_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
 372 {
 373     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 374     TRACE("(%p, %p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
 375
 376     *ppv = NULL;
 377
 378     if (IsEqualIID(riid, &IID_IUnknown))
 379         *ppv = (LPVOID)This;
 380     else if (IsEqualIID(riid, &IID_IPersist))
 381         *ppv = (LPVOID)This;
 382     else if (IsEqualIID(riid, &IID_IMediaFilter))
 383         *ppv = (LPVOID)This;
 384     else if (IsEqualIID(riid, &IID_IBaseFilter))
 385         *ppv = (LPVOID)This;
 386     else if (IsEqualIID(riid, &IID_IBasicAudio))
 387         *ppv = (LPVOID)&(This->IBasicAudio_vtbl);
 388     else if (IsEqualIID(riid, &IID_IReferenceClock))
 389         *ppv = (LPVOID)&(This->IReferenceClock_vtbl);
 390     else if (IsEqualIID(riid, &IID_IMediaSeeking))
 391         *ppv = &This->mediaSeeking.lpVtbl;
 392
 393     if (*ppv)
 394     {
 395         IUnknown_AddRef((IUnknown *)(*ppv));
 396         return S_OK;
 397     }
 398
 399     if (!IsEqualIID(riid, &IID_IPin) && !IsEqualIID(riid, &IID_IVideoWindow))
 400         FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 401
 402     return E_NOINTERFACE;
 403 }
 404
 405 static ULONG WINAPI DSoundRender_AddRef(IBaseFilter * iface)
 406 {
 407     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 408     ULONG refCount = InterlockedIncrement(&This->refCount);
 409
 410     TRACE("(%p/%p)->() AddRef from %d\n", This, iface, refCount - 1);
 411
 412     return refCount;
 413 }
 414
 415 static ULONG WINAPI DSoundRender_Release(IBaseFilter * iface)
 416 {
 417     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 418     ULONG refCount = InterlockedDecrement(&This->refCount);
 419
 420     TRACE("(%p)->() Release from %d\n", This, refCount + 1);
 421
 422     if (!refCount)
 423     {
 424         IPin *pConnectedTo;
 425
 426         if (This->pClock)
 427             IReferenceClock_Release(This->pClock);
 428
 429         if (This->dsbuffer)
 430             IDirectSoundBuffer_Release(This->dsbuffer);
 431         This->dsbuffer = NULL;
 432         if (This->dsound)
 433             IDirectSound_Release(This->dsound);
 434         This->dsound = NULL;
 435
 436         if (SUCCEEDED(IPin_ConnectedTo(This->ppPins[0], &pConnectedTo)))
 437         {
 438             IPin_Disconnect(pConnectedTo);
 439             IPin_Release(pConnectedTo);
 440         }
 441         IPin_Disconnect(This->ppPins[0]);
 442
 443         IPin_Release(This->ppPins[0]);
 444
 445         CoTaskMemFree(This->ppPins);
 446         This->lpVtbl = NULL;
 447         This->IBasicAudio_vtbl = NULL;
 448
 449         This->csFilter.DebugInfo->Spare[0] = 0;
 450         DeleteCriticalSection(&This->csFilter);
 451
 452         TRACE("Destroying Audio Renderer\n");
 453         CoTaskMemFree(This);
 454
 455         return 0;
 456     }
 457     else
 458         return refCount;
 459 }
 460
 461 /** IPersist methods **/
 462
 463 static HRESULT WINAPI DSoundRender_GetClassID(IBaseFilter * iface, CLSID * pClsid)
 464 {
 465     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 466     TRACE("(%p/%p)->(%p)\n", This, iface, pClsid);
 467
 468     *pClsid = CLSID_DSoundRender;
 469
 470     return S_OK;
 471 }
 472
 473 /** IMediaFilter methods **/
 474
 475 static HRESULT WINAPI DSoundRender_Stop(IBaseFilter * iface)
 476 {
 477     HRESULT hr = S_OK;
 478     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 479
 480     TRACE("(%p/%p)->()\n", This, iface);
 481
 482     EnterCriticalSection(&This->csFilter);
 483     {
 484         DWORD state = 0;
 485         if (This->dsbuffer)
 486         {
 487             hr = IDirectSoundBuffer_GetStatus(This->dsbuffer, &state);
 488             if (SUCCEEDED(hr))
 489             {
 490                 if (state & DSBSTATUS_PLAYING)
 491                     hr = IDirectSoundBuffer_Stop(This->dsbuffer);
 492             }
 493         }
 494         if (SUCCEEDED(hr))
 495             This->state = State_Stopped;
 496     }
 497     LeaveCriticalSection(&This->csFilter);
 498
 499     return hr;
 500 }
 501
 502 static HRESULT WINAPI DSoundRender_Pause(IBaseFilter * iface)
 503 {
 504     HRESULT hr = S_OK;
 505     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 506
 507     TRACE("(%p/%p)->()\n", This, iface);
 508
 509     EnterCriticalSection(&This->csFilter);
 510     {
 511         DWORD state = 0;
 512         if (This->state == State_Stopped)
 513             This->pInputPin->end_of_stream = 0;
 514
 515         if (This->dsbuffer)
 516         {
 517             hr = IDirectSoundBuffer_GetStatus(This->dsbuffer, &state);
 518             if (SUCCEEDED(hr))
 519             {
 520                 if (state & DSBSTATUS_PLAYING)
 521                     hr = IDirectSoundBuffer_Stop(This->dsbuffer);
 522             }
 523         }
 524         if (SUCCEEDED(hr))
 525             This->state = State_Paused;
 526     }
 527     LeaveCriticalSection(&This->csFilter);
 528
 529     return hr;
 530 }
 531
 532 static HRESULT WINAPI DSoundRender_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
 533 {
 534     HRESULT hr = S_OK;
 535     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 536
 537     TRACE("(%p/%p)->(%s)\n", This, iface, wine_dbgstr_longlong(tStart));
 538
 539     EnterCriticalSection(&This->csFilter);
 540     {
 541         This->rtStreamStart = tStart;
 542         This->state = State_Running;
 543         This->pInputPin->end_of_stream = 0;
 544     }
 545     LeaveCriticalSection(&This->csFilter);
 546
 547     return hr;
 548 }
 549
 550 static HRESULT WINAPI DSoundRender_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
 551 {
 552     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 553
 554     TRACE("(%p/%p)->(%d, %p)\n", This, iface, dwMilliSecsTimeout, pState);
 555
 556     EnterCriticalSection(&This->csFilter);
 557     {
 558         *pState = This->state;
 559     }
 560     LeaveCriticalSection(&This->csFilter);
 561
 562     return S_OK;
 563 }
 564
 565 static HRESULT WINAPI DSoundRender_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
 566 {
 567     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 568
 569     TRACE("(%p/%p)->(%p)\n", This, iface, pClock);
 570
 571     EnterCriticalSection(&This->csFilter);
 572     {
 573         if (This->pClock)
 574             IReferenceClock_Release(This->pClock);
 575         This->pClock = pClock;
 576         if (This->pClock)
 577             IReferenceClock_AddRef(This->pClock);
 578     }
 579     LeaveCriticalSection(&This->csFilter);
 580
 581     return S_OK;
 582 }
 583
 584 static HRESULT WINAPI DSoundRender_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
 585 {
 586     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 587
 588     TRACE("(%p/%p)->(%p)\n", This, iface, ppClock);
 589
 590     EnterCriticalSection(&This->csFilter);
 591     {
 592         *ppClock = This->pClock;
 593         IReferenceClock_AddRef(This->pClock);
 594     }
 595     LeaveCriticalSection(&This->csFilter);
 596
 597     return S_OK;
 598 }
 599
 600 /** IBaseFilter implementation **/
 601
 602 static HRESULT WINAPI DSoundRender_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
 603 {
 604     ENUMPINDETAILS epd;
 605     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 606
 607     TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
 608
 609     epd.cPins = 1; /* input pin */
 610     epd.ppPins = This->ppPins;
 611     return IEnumPinsImpl_Construct(&epd, ppEnum);
 612 }
 613
 614 static HRESULT WINAPI DSoundRender_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
 615 {
 616     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 617
 618     TRACE("(%p/%p)->(%s,%p)\n", This, iface, debugstr_w(Id), ppPin);
 619
 620     FIXME("DSoundRender::FindPin(...)\n");
 621
 622     /* FIXME: critical section */
 623
 624     return E_NOTIMPL;
 625 }
 626
 627 static HRESULT WINAPI DSoundRender_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
 628 {
 629     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 630
 631     TRACE("(%p/%p)->(%p)\n", This, iface, pInfo);
 632
 633     strcpyW(pInfo->achName, This->filterInfo.achName);
 634     pInfo->pGraph = This->filterInfo.pGraph;
 635
 636     if (pInfo->pGraph)
 637         IFilterGraph_AddRef(pInfo->pGraph);
 638
 639     return S_OK;
 640 }
 641
 642 static HRESULT WINAPI DSoundRender_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
 643 {
 644     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 645
 646     TRACE("(%p/%p)->(%p, %s)\n", This, iface, pGraph, debugstr_w(pName));
 647
 648     EnterCriticalSection(&This->csFilter);
 649     {
 650         if (pName)
 651             strcpyW(This->filterInfo.achName, pName);
 652         else
 653             *This->filterInfo.achName = '\0';
 654         This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
 655     }
 656     LeaveCriticalSection(&This->csFilter);
 657
 658     return S_OK;
 659 }
 660
 661 static HRESULT WINAPI DSoundRender_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
 662 {
 663     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 664     TRACE("(%p/%p)->(%p)\n", This, iface, pVendorInfo);
 665     return E_NOTIMPL;
 666 }
 667
 668 static const IBaseFilterVtbl DSoundRender_Vtbl =
 669 {
 670     DSoundRender_QueryInterface,
 671     DSoundRender_AddRef,
 672     DSoundRender_Release,
 673     DSoundRender_GetClassID,
 674     DSoundRender_Stop,
 675     DSoundRender_Pause,
 676     DSoundRender_Run,
 677     DSoundRender_GetState,
 678     DSoundRender_SetSyncSource,
 679     DSoundRender_GetSyncSource,
 680     DSoundRender_EnumPins,
 681     DSoundRender_FindPin,
 682     DSoundRender_QueryFilterInfo,
 683     DSoundRender_JoinFilterGraph,
 684     DSoundRender_QueryVendorInfo
 685 };
 686
 687 static HRESULT WINAPI DSoundRender_InputPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
 688 {
 689     InputPin *This = (InputPin *)iface;
 690     PIN_DIRECTION pindirReceive;
 691     DSoundRenderImpl *DSImpl;
 692     HRESULT hr = S_OK;
 693
 694     TRACE("(%p)->(%p, %p)\n", This, pReceivePin, pmt);
 695     dump_AM_MEDIA_TYPE(pmt);
 696
 697     EnterCriticalSection(This->pin.pCritSec);
 698     {
 699         DSImpl = (DSoundRenderImpl*)This->pin.pinInfo.pFilter;
 700         DSImpl->rtLastStop = -1;
 701
 702         if (This->pin.pConnectedTo)
 703             hr = VFW_E_ALREADY_CONNECTED;
 704
 705         if (SUCCEEDED(hr) && This->pin.fnQueryAccept(This->pin.pUserData, pmt) != S_OK)
 706             hr = VFW_E_TYPE_NOT_ACCEPTED;
 707
 708         if (SUCCEEDED(hr))
 709         {
 710             IPin_QueryDirection(pReceivePin, &pindirReceive);
 711
 712             if (pindirReceive != PINDIR_OUTPUT)
 713             {
 714                 ERR("Can't connect from non-output pin\n");
 715                 hr = VFW_E_INVALID_DIRECTION;
 716             }
 717         }
 718
 719         if (SUCCEEDED(hr))
 720         {
 721             WAVEFORMATEX *format;
 722             DSBUFFERDESC buf_desc;
 723
 724             TRACE("MajorType %s\n", debugstr_guid(&pmt->majortype));
 725             TRACE("SubType %s\n", debugstr_guid(&pmt->subtype));
 726             TRACE("Format %s\n", debugstr_guid(&pmt->formattype));
 727             TRACE("Size %d\n", pmt->cbFormat);
 728
 729             format = (WAVEFORMATEX*)pmt->pbFormat;
 730
 731             DSImpl->buf_size = format->nAvgBytesPerSec;
 732
 733             memset(&buf_desc,0,sizeof(DSBUFFERDESC));
 734             buf_desc.dwSize = sizeof(DSBUFFERDESC);
 735             buf_desc.dwFlags = DSBCAPS_CTRLVOLUME | DSBCAPS_CTRLPAN |
 736                                DSBCAPS_CTRLFREQUENCY |
 737                                DSBCAPS_GETCURRENTPOSITION2;
 738             buf_desc.dwBufferBytes = DSImpl->buf_size;
 739             buf_desc.lpwfxFormat = format;
 740             hr = IDirectSound_CreateSoundBuffer(DSImpl->dsound, &buf_desc, &DSImpl->dsbuffer, NULL);
 741             if (FAILED(hr))
 742                 ERR("Can't create sound buffer (%x)\n", hr);
 743         }
 744
 745         if (SUCCEEDED(hr))
 746         {
 747             hr = IDirectSoundBuffer_SetVolume(DSImpl->dsbuffer, DSImpl->volume);
 748             if (FAILED(hr))
 749                 ERR("Can't set volume to %ld (%x)\n", DSImpl->volume, hr);
 750
 751             hr = IDirectSoundBuffer_SetPan(DSImpl->dsbuffer, DSImpl->pan);
 752             if (FAILED(hr))
 753                 ERR("Can't set pan to %ld (%x)\n", DSImpl->pan, hr);
 754
 755             DSImpl->write_pos = 0;
 756             hr = S_OK;
 757         }
 758
 759         if (SUCCEEDED(hr))
 760         {
 761             CopyMediaType(&This->pin.mtCurrent, pmt);
 762             This->pin.pConnectedTo = pReceivePin;
 763             IPin_AddRef(pReceivePin);
 764         }
 765         else
 766         {
 767             if (DSImpl->dsbuffer)
 768                 IDirectSoundBuffer_Release(DSImpl->dsbuffer);
 769             DSImpl->dsbuffer = NULL;
 770         }
 771     }
 772     LeaveCriticalSection(This->pin.pCritSec);
 773
 774     return hr;
 775 }
 776
 777 static HRESULT WINAPI DSoundRender_InputPin_Disconnect(IPin * iface)
 778 {
 779     IPinImpl *This = (IPinImpl*)iface;
 780     DSoundRenderImpl *DSImpl;
 781
 782     TRACE("(%p)->()\n", iface);
 783
 784     DSImpl = (DSoundRenderImpl*)This->pinInfo.pFilter;
 785     if (DSImpl->dsbuffer)
 786         IDirectSoundBuffer_Release(DSImpl->dsbuffer);
 787     DSImpl->dsbuffer = NULL;
 788
 789     return IPinImpl_Disconnect(iface);
 790 }
 791
 792 static HRESULT WINAPI DSoundRender_InputPin_EndOfStream(IPin * iface)
 793 {
 794     InputPin* This = (InputPin*)iface;
 795     DSoundRenderImpl *me = (DSoundRenderImpl*)This->pin.pinInfo.pFilter;
 796     IMediaEventSink* pEventSink;
 797     HRESULT hr;
 798
 799     EnterCriticalSection(This->pin.pCritSec);
 800
 801     TRACE("(%p/%p)->()\n", This, iface);
 802     InputPin_EndOfStream(iface);
 803
 804     hr = IFilterGraph_QueryInterface(me->filterInfo.pGraph, &IID_IMediaEventSink, (LPVOID*)&pEventSink);
 805     if (SUCCEEDED(hr))
 806     {
 807         BYTE * silence;
 808
 809         silence = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, me->buf_size);
 810         if (silence)
 811         {
 812             memset(silence, 0, me->buf_size);
 813             DSoundRender_SendSampleData((DSoundRenderImpl*)This->pin.pinInfo.pFilter, silence, me->buf_size);
 814             HeapFree(GetProcessHeap(), 0, silence);
 815         }
 816
 817         hr = IMediaEventSink_Notify(pEventSink, EC_COMPLETE, S_OK, 0);
 818         IMediaEventSink_Release(pEventSink);
 819     }
 820     LeaveCriticalSection(This->pin.pCritSec);
 821
 822     return hr;
 823 }
 824
 825 static HRESULT WINAPI DSoundRender_InputPin_BeginFlush(IPin * iface)
 826 {
 827     InputPin *This = (InputPin *)iface;
 828     DSoundRenderImpl *pFilter = (DSoundRenderImpl *)This->pin.pinInfo.pFilter;
 829     HRESULT hr;
 830     LPBYTE buffer;
 831     DWORD size;
 832
 833     TRACE("\n");
 834
 835     EnterCriticalSection(This->pin.pCritSec);
 836     hr = InputPin_BeginFlush(iface);
 837
 838     if (pFilter->dsbuffer)
 839     {
 840         IDirectSoundBuffer_Stop(pFilter->dsbuffer);
 841
 842         /* Force a reset */
 843         IDirectSoundBuffer_SetCurrentPosition(pFilter->dsbuffer, 0);
 844         pFilter->write_pos = pFilter->last_play_pos = 0;
 845         ++pFilter->play_loops;
 846         pFilter->write_loops = pFilter->play_loops;
 847
 848         IDirectSoundBuffer_Lock(pFilter->dsbuffer, 0, 0, (LPVOID *)&buffer, &size, NULL, NULL, DSBLOCK_ENTIREBUFFER);
 849         memset(buffer, 0, size);
 850         IDirectSoundBuffer_Unlock(pFilter->dsbuffer, buffer, size, NULL, 0);
 851     }
 852     LeaveCriticalSection(This->pin.pCritSec);
 853
 854     return hr;
 855 }
 856
 857 static const IPinVtbl DSoundRender_InputPin_Vtbl =
 858 {
 859     InputPin_QueryInterface,
 860     IPinImpl_AddRef,
 861     InputPin_Release,
 862     InputPin_Connect,
 863     DSoundRender_InputPin_ReceiveConnection,
 864     DSoundRender_InputPin_Disconnect,
 865     IPinImpl_ConnectedTo,
 866     IPinImpl_ConnectionMediaType,
 867     IPinImpl_QueryPinInfo,
 868     IPinImpl_QueryDirection,
 869     IPinImpl_QueryId,
 870     IPinImpl_QueryAccept,
 871     IPinImpl_EnumMediaTypes,
 872     IPinImpl_QueryInternalConnections,
 873     DSoundRender_InputPin_EndOfStream,
 874     DSoundRender_InputPin_BeginFlush,
 875     InputPin_EndFlush,
 876     InputPin_NewSegment
 877 };
 878
 879 static const IMemInputPinVtbl MemInputPin_Vtbl =
 880 {
 881     MemInputPin_QueryInterface,
 882     MemInputPin_AddRef,
 883     MemInputPin_Release,
 884     MemInputPin_GetAllocator,
 885     MemInputPin_NotifyAllocator,
 886     MemInputPin_GetAllocatorRequirements,
 887     MemInputPin_Receive,
 888     MemInputPin_ReceiveMultiple,
 889     MemInputPin_ReceiveCanBlock
 890 };
 891
 892 /*** IUnknown methods ***/
 893 static HRESULT WINAPI Basicaudio_QueryInterface(IBasicAudio *iface,
 894                                                 REFIID riid,
 895                                                 LPVOID*ppvObj) {
 896     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 897
 898     TRACE("(%p/%p)->(%s (%p), %p)\n", This, iface, debugstr_guid(riid), riid, ppvObj);
 899
 900     return DSoundRender_QueryInterface((IBaseFilter*)This, riid, ppvObj);
 901 }
 902
 903 static ULONG WINAPI Basicaudio_AddRef(IBasicAudio *iface) {
 904     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 905
 906     TRACE("(%p/%p)->()\n", This, iface);
 907
 908     return DSoundRender_AddRef((IBaseFilter*)This);
 909 }
 910
 911 static ULONG WINAPI Basicaudio_Release(IBasicAudio *iface) {
 912     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 913
 914     TRACE("(%p/%p)->()\n", This, iface);
 915
 916     return DSoundRender_Release((IBaseFilter*)This);
 917 }
 918
 919 /*** IDispatch methods ***/
 920 static HRESULT WINAPI Basicaudio_GetTypeInfoCount(IBasicAudio *iface,
 921                                                   UINT*pctinfo) {
 922     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 923
 924     TRACE("(%p/%p)->(%p): stub !!!\n", This, iface, pctinfo);
 925
 926     return S_OK;
 927 }
 928
 929 static HRESULT WINAPI Basicaudio_GetTypeInfo(IBasicAudio *iface,
 930                                              UINT iTInfo,
 931                                              LCID lcid,
 932                                              ITypeInfo**ppTInfo) {
 933     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 934
 935     TRACE("(%p/%p)->(%d, %d, %p): stub !!!\n", This, iface, iTInfo, lcid, ppTInfo);
 936
 937     return S_OK;
 938 }
 939
 940 static HRESULT WINAPI Basicaudio_GetIDsOfNames(IBasicAudio *iface,
 941                                                REFIID riid,
 942                                                LPOLESTR*rgszNames,
 943                                                UINT cNames,
 944                                                LCID lcid,
 945                                                DISPID*rgDispId) {
 946     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 947
 948     TRACE("(%p/%p)->(%s (%p), %p, %d, %d, %p): stub !!!\n", This, iface, debugstr_guid(riid), riid, rgszNames, cNames, lcid, rgDispId);
 949
 950     return S_OK;
 951 }
 952
 953 static HRESULT WINAPI Basicaudio_Invoke(IBasicAudio *iface,
 954                                         DISPID dispIdMember,
 955                                         REFIID riid,
 956                                         LCID lcid,
 957                                         WORD wFlags,
 958                                         DISPPARAMS*pDispParams,
 959                                         VARIANT*pVarResult,
 960                                         EXCEPINFO*pExepInfo,
 961                                         UINT*puArgErr) {
 962     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 963
 964     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);
 965
 966     return S_OK;
 967 }
 968
 969 /*** IBasicAudio methods ***/
 970 static HRESULT WINAPI Basicaudio_put_Volume(IBasicAudio *iface,
 971                                             long lVolume) {
 972     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 973
 974     TRACE("(%p/%p)->(%ld)\n", This, iface, lVolume);
 975
 976     if (lVolume > DSBVOLUME_MAX || lVolume < DSBVOLUME_MIN)
 977         return E_INVALIDARG;
 978
 979     if (This->dsbuffer) {
 980         if (FAILED(IDirectSoundBuffer_SetVolume(This->dsbuffer, lVolume)))
 981             return E_FAIL;
 982     }
 983
 984     This->volume = lVolume;
 985     return S_OK;
 986 }
 987
 988 static HRESULT WINAPI Basicaudio_get_Volume(IBasicAudio *iface,
 989                                             long *plVolume) {
 990     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 991
 992     TRACE("(%p/%p)->(%p)\n", This, iface, plVolume);
 993
 994     if (!plVolume)
 995         return E_POINTER;
 996
 997     *plVolume = This->volume;
 998     return S_OK;
 999 }
1000
1001 static HRESULT WINAPI Basicaudio_put_Balance(IBasicAudio *iface,
1002                                              long lBalance) {
1003     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
1004
1005     TRACE("(%p/%p)->(%ld)\n", This, iface, lBalance);
1006
1007     if (lBalance < DSBPAN_LEFT || lBalance > DSBPAN_RIGHT)
1008         return E_INVALIDARG;
1009
1010     if (This->dsbuffer) {
1011         if (FAILED(IDirectSoundBuffer_SetPan(This->dsbuffer, lBalance)))
1012             return E_FAIL;
1013     }
1014
1015     This->pan = lBalance;
1016     return S_OK;
1017 }
1018
1019 static HRESULT WINAPI Basicaudio_get_Balance(IBasicAudio *iface,
1020                                              long *plBalance) {
1021     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
1022
1023     TRACE("(%p/%p)->(%p)\n", This, iface, plBalance);
1024
1025     if (!plBalance)
1026         return E_POINTER;
1027
1028     *plBalance = This->pan;
1029     return S_OK;
1030 }
1031
1032 static const IBasicAudioVtbl IBasicAudio_Vtbl =
1033 {
1034     Basicaudio_QueryInterface,
1035     Basicaudio_AddRef,
1036     Basicaudio_Release,
1037     Basicaudio_GetTypeInfoCount,
1038     Basicaudio_GetTypeInfo,
1039     Basicaudio_GetIDsOfNames,
1040     Basicaudio_Invoke,
1041     Basicaudio_put_Volume,
1042     Basicaudio_get_Volume,
1043     Basicaudio_put_Balance,
1044     Basicaudio_get_Balance
1045 };
1046
1047
1048 /*** IUnknown methods ***/
1049 static HRESULT WINAPI ReferenceClock_QueryInterface(IReferenceClock *iface,
1050                                                 REFIID riid,
1051                                                 LPVOID*ppvObj)
1052 {
1053     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1054
1055     TRACE("(%p/%p)->(%s (%p), %p)\n", This, iface, debugstr_guid(riid), riid, ppvObj);
1056
1057     return DSoundRender_QueryInterface((IBaseFilter*)This, riid, ppvObj);
1058 }
1059
1060 static ULONG WINAPI ReferenceClock_AddRef(IReferenceClock *iface)
1061 {
1062     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1063
1064     TRACE("(%p/%p)->()\n", This, iface);
1065
1066     return DSoundRender_AddRef((IBaseFilter*)This);
1067 }
1068
1069 static ULONG WINAPI ReferenceClock_Release(IReferenceClock *iface)
1070 {
1071     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1072
1073     TRACE("(%p/%p)->()\n", This, iface);
1074
1075     return DSoundRender_Release((IBaseFilter*)This);
1076 }
1077
1078 /*** IReferenceClock methods ***/
1079 static HRESULT WINAPI ReferenceClock_GetTime(IReferenceClock *iface,
1080                                              REFERENCE_TIME *pTime)
1081 {
1082     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1083     HRESULT hr = E_FAIL;
1084     DWORD play_pos;
1085
1086     TRACE("(%p/%p)->(%p)\n", This, iface, pTime);
1087
1088     if (This->dsbuffer)
1089         hr = DSoundRender_GetPos(This, &play_pos, pTime);
1090     if (FAILED(hr))
1091         ERR("Could not get reference time (%x)!\n", hr);
1092
1093     return hr;
1094 }
1095
1096 static HRESULT WINAPI ReferenceClock_AdviseTime(IReferenceClock *iface,
1097                                                 REFERENCE_TIME rtBaseTime,
1098                                                 REFERENCE_TIME rtStreamTime,
1099                                                 HEVENT hEvent,
1100                                                 DWORD_PTR *pdwAdviseCookie)
1101 {
1102     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1103
1104     FIXME("(%p/%p)->(%s, %s, %p, %p): stub!\n", This, iface, wine_dbgstr_longlong(rtBaseTime), wine_dbgstr_longlong(rtStreamTime), (void*)hEvent, pdwAdviseCookie);
1105
1106     return E_NOTIMPL;
1107 }
1108
1109 static HRESULT WINAPI ReferenceClock_AdvisePeriodic(IReferenceClock *iface,
1110                                                     REFERENCE_TIME rtBaseTime,
1111                                                     REFERENCE_TIME rtStreamTime,
1112                                                     HSEMAPHORE hSemaphore,
1113                                                     DWORD_PTR *pdwAdviseCookie)
1114 {
1115     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1116
1117     FIXME("(%p/%p)->(%s, %s, %p, %p): stub!\n", This, iface, wine_dbgstr_longlong(rtBaseTime), wine_dbgstr_longlong(rtStreamTime), (void*)hSemaphore, pdwAdviseCookie);
1118
1119     return E_NOTIMPL;
1120 }
1121
1122 static HRESULT WINAPI ReferenceClock_Unadvise(IReferenceClock *iface,
1123                                               DWORD_PTR dwAdviseCookie)
1124 {
1125     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1126
1127     FIXME("(%p/%p)->(%p): stub!\n", This, iface, (void*)dwAdviseCookie);
1128
1129     return S_FALSE;
1130 }
1131
1132 static const IReferenceClockVtbl IReferenceClock_Vtbl =
1133 {
1134     ReferenceClock_QueryInterface,
1135     ReferenceClock_AddRef,
1136     ReferenceClock_Release,
1137     ReferenceClock_GetTime,
1138     ReferenceClock_AdviseTime,
1139     ReferenceClock_AdvisePeriodic,
1140     ReferenceClock_Unadvise
1141 };
1142
1143 static inline DSoundRenderImpl *impl_from_IMediaSeeking( IMediaSeeking *iface )
1144 {
1145     return (DSoundRenderImpl *)((char*)iface - FIELD_OFFSET(DSoundRenderImpl, mediaSeeking.lpVtbl));
1146 }
1147
1148 static HRESULT WINAPI sound_seek_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
1149 {
1150     DSoundRenderImpl *This = impl_from_IMediaSeeking(iface);
1151
1152     return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
1153 }
1154
1155 static ULONG WINAPI sound_seek_AddRef(IMediaSeeking * iface)
1156 {
1157     DSoundRenderImpl *This = impl_from_IMediaSeeking(iface);
1158
1159     return IUnknown_AddRef((IUnknown *)This);
1160 }
1161
1162 static ULONG WINAPI sound_seek_Release(IMediaSeeking * iface)
1163 {
1164     DSoundRenderImpl *This = impl_from_IMediaSeeking(iface);
1165
1166     return IUnknown_Release((IUnknown *)This);
1167 }
1168
1169 static const IMediaSeekingVtbl IMediaSeeking_Vtbl =
1170 {
1171     sound_seek_QueryInterface,
1172     sound_seek_AddRef,
1173     sound_seek_Release,
1174     MediaSeekingImpl_GetCapabilities,
1175     MediaSeekingImpl_CheckCapabilities,
1176     MediaSeekingImpl_IsFormatSupported,
1177     MediaSeekingImpl_QueryPreferredFormat,
1178     MediaSeekingImpl_GetTimeFormat,
1179     MediaSeekingImpl_IsUsingTimeFormat,
1180     MediaSeekingImpl_SetTimeFormat,
1181     MediaSeekingImpl_GetDuration,
1182     MediaSeekingImpl_GetStopPosition,
1183     MediaSeekingImpl_GetCurrentPosition,
1184     MediaSeekingImpl_ConvertTimeFormat,
1185     MediaSeekingImpl_SetPositions,
1186     MediaSeekingImpl_GetPositions,
1187     MediaSeekingImpl_GetAvailable,
1188     MediaSeekingImpl_SetRate,
1189     MediaSeekingImpl_GetRate,
1190     MediaSeekingImpl_GetPreroll
1191 };