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