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;
  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     REFERENCE_TIME play_time;
  75     MediaSeekingImpl mediaSeeking;
  76
  77     long volume;
  78     long pan;
  79 } DSoundRenderImpl;
  80
  81 static HRESULT sound_mod_stop(IBaseFilter *iface)
  82 {
  83     FIXME("(%p) stub\n", iface);
  84     return S_OK;
  85 }
  86
  87 static HRESULT sound_mod_start(IBaseFilter *iface)
  88 {
  89     FIXME("(%p) stub\n", iface);
  90     return S_OK;
  91 }
  92
  93 static HRESULT sound_mod_rate(IBaseFilter *iface)
  94 {
  95     FIXME("(%p) stub\n", iface);
  96     return S_OK;
  97 }
  98
  99
 100 static HRESULT DSoundRender_InputPin_Construct(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
 101 {
 102     InputPin * pPinImpl;
 103
 104     *ppPin = NULL;
 105
 106     if (pPinInfo->dir != PINDIR_INPUT)
 107     {
 108         ERR("Pin direction(%x) != PINDIR_INPUT\n", pPinInfo->dir);
 109         return E_INVALIDARG;
 110     }
 111
 112     pPinImpl = CoTaskMemAlloc(sizeof(*pPinImpl));
 113
 114     if (!pPinImpl)
 115         return E_OUTOFMEMORY;
 116
 117     if (SUCCEEDED(InputPin_Init(pPinInfo, pSampleProc, pUserData, pQueryAccept, pCritSec, pPinImpl)))
 118     {
 119         pPinImpl->pin.lpVtbl = &DSoundRender_InputPin_Vtbl;
 120         pPinImpl->lpVtblMemInput = &MemInputPin_Vtbl;
 121
 122         *ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
 123         return S_OK;
 124     }
 125
 126     CoTaskMemFree(pPinImpl);
 127     return E_FAIL;
 128 }
 129
 130
 131 static inline HRESULT DSoundRender_GetPos(DSoundRenderImpl *This, DWORD *pPlayPos, DWORD *pWritePos, REFERENCE_TIME *pRefTime)
 132 {
 133     HRESULT hr;
 134
 135     EnterCriticalSection(&This->csFilter);
 136     {
 137         hr = IDirectSoundBuffer_GetCurrentPosition(This->dsbuffer, pPlayPos, pWritePos);
 138         if (hr == DS_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're really falling behind, kick the play time back */
 147             if ((This->play_loops*This->buf_size)+play_pos >=
 148                 (This->write_loops*This->buf_size)+This->write_pos)
 149                 This->play_loops--;
 150
 151             if (pRefTime)
 152             {
 153                 REFERENCE_TIME play_time;
 154                 play_time = ((REFERENCE_TIME)This->play_loops*10000000) +
 155                             ((REFERENCE_TIME)play_pos*10000000/This->buf_size);
 156
 157                 /* Don't let time run backwards */
 158                 if(play_time-This->play_time > 0)
 159                     This->play_time = play_time;
 160                 else
 161                     hr = S_FALSE;
 162
 163                 *pRefTime = This->play_time;
 164             }
 165         }
 166     }
 167     LeaveCriticalSection(&This->csFilter);
 168
 169     return hr;
 170 }
 171
 172 static HRESULT DSoundRender_SendSampleData(DSoundRenderImpl* This, const BYTE *data, DWORD size)
 173 {
 174     HRESULT hr;
 175     LPBYTE lpbuf1 = NULL;
 176     LPBYTE lpbuf2 = NULL;
 177     DWORD dwsize1 = 0;
 178     DWORD dwsize2 = 0;
 179     DWORD size2;
 180     DWORD play_pos,buf_free;
 181
 182     do {
 183         hr = DSoundRender_GetPos(This, &play_pos, NULL, NULL);
 184         if (hr != DS_OK)
 185         {
 186             ERR("GetPos returned error: %x\n", hr);
 187             break;
 188         }
 189         if (This->write_pos <= play_pos)
 190              buf_free = play_pos-This->write_pos;
 191         else
 192              buf_free = This->buf_size - This->write_pos + play_pos;
 193
 194         /* Wait for enough of the buffer to empty before filling it */
 195         if(buf_free < This->buf_size/4)
 196         {
 197             Sleep(10);
 198             continue;
 199         }
 200
 201         size2 = min(buf_free, size);
 202         hr = IDirectSoundBuffer_Lock(This->dsbuffer, This->write_pos, size2, (LPVOID *)&lpbuf1, &dwsize1, (LPVOID *)&lpbuf2, &dwsize2, 0);
 203         if (hr != DS_OK) {
 204             ERR("Unable to lock sound buffer! (%x)\n", hr);
 205             break;
 206         }
 207         /* TRACE("write_pos=%d, size=%d, sz1=%d, sz2=%d\n", This->write_pos, size2, dwsize1, dwsize2); */
 208
 209         memcpy(lpbuf1, data, dwsize1);
 210         if (dwsize2)
 211             memcpy(lpbuf2, data + dwsize1, dwsize2);
 212
 213         hr = IDirectSoundBuffer_Unlock(This->dsbuffer, lpbuf1, dwsize1, lpbuf2, dwsize2);
 214         if (hr != DS_OK)
 215             ERR("Unable to unlock sound buffer! (%x)\n", hr);
 216
 217         size -= dwsize1 + dwsize2;
 218         data += dwsize1 + dwsize2;
 219         This->write_pos += dwsize1 + dwsize2;
 220         if (This->write_pos >= This->buf_size)
 221         {
 222             This->write_pos -= This->buf_size;
 223             This->write_loops++;
 224         }
 225     } while (size && This->state == State_Running);
 226
 227     return hr;
 228 }
 229
 230 static HRESULT DSoundRender_Sample(LPVOID iface, IMediaSample * pSample)
 231 {
 232     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 233     LPBYTE pbSrcStream = NULL;
 234     long cbSrcStream = 0;
 235     REFERENCE_TIME tStart, tStop;
 236     HRESULT hr;
 237
 238     TRACE("%p %p\n", iface, pSample);
 239
 240     if (This->state != State_Running)
 241         return VFW_E_WRONG_STATE;
 242
 243     hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
 244     if (FAILED(hr))
 245     {
 246         ERR("Cannot get pointer to sample data (%x)\n", hr);
 247         return hr;
 248     }
 249
 250     hr = IMediaSample_GetTime(pSample, &tStart, &tStop);
 251     if (FAILED(hr))
 252         ERR("Cannot get sample time (%x)\n", hr);
 253
 254     cbSrcStream = IMediaSample_GetActualDataLength(pSample);
 255     TRACE("Sample data ptr = %p, size = %ld\n", pbSrcStream, cbSrcStream);
 256
 257 #if 0 /* For debugging purpose */
 258     {
 259         int i;
 260         for(i = 0; i < cbSrcStream; i++)
 261         {
 262             if ((i!=0) && !(i%16))
 263                 TRACE("\n");
 264             TRACE("%02x ", pbSrcStream[i]);
 265         }
 266         TRACE("\n");
 267     }
 268 #endif
 269
 270     return DSoundRender_SendSampleData(This, pbSrcStream, cbSrcStream);
 271 }
 272
 273 static HRESULT DSoundRender_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
 274 {
 275     WAVEFORMATEX* format = (WAVEFORMATEX*)pmt->pbFormat;
 276     TRACE("wFormatTag = %x %x\n", format->wFormatTag, WAVE_FORMAT_PCM);
 277     TRACE("nChannels = %d\n", format->nChannels);
 278     TRACE("nSamplesPerSec = %d\n", format->nAvgBytesPerSec);
 279     TRACE("nAvgBytesPerSec = %d\n", format->nAvgBytesPerSec);
 280     TRACE("nBlockAlign = %d\n", format->nBlockAlign);
 281     TRACE("wBitsPerSample = %d\n", format->wBitsPerSample);
 282
 283     if (IsEqualIID(&pmt->majortype, &MEDIATYPE_Audio) && IsEqualIID(&pmt->subtype, &MEDIASUBTYPE_PCM))
 284         return S_OK;
 285     return S_FALSE;
 286 }
 287
 288 HRESULT DSoundRender_create(IUnknown * pUnkOuter, LPVOID * ppv)
 289 {
 290     HRESULT hr;
 291     PIN_INFO piInput;
 292     DSoundRenderImpl * pDSoundRender;
 293
 294     TRACE("(%p, %p)\n", pUnkOuter, ppv);
 295
 296     *ppv = NULL;
 297
 298     if (pUnkOuter)
 299         return CLASS_E_NOAGGREGATION;
 300
 301     pDSoundRender = CoTaskMemAlloc(sizeof(DSoundRenderImpl));
 302     if (!pDSoundRender)
 303         return E_OUTOFMEMORY;
 304     ZeroMemory(pDSoundRender, sizeof(DSoundRenderImpl));
 305
 306     pDSoundRender->lpVtbl = &DSoundRender_Vtbl;
 307     pDSoundRender->IBasicAudio_vtbl = &IBasicAudio_Vtbl;
 308     pDSoundRender->IReferenceClock_vtbl = &IReferenceClock_Vtbl;
 309     pDSoundRender->refCount = 1;
 310     InitializeCriticalSection(&pDSoundRender->csFilter);
 311     pDSoundRender->csFilter.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": DSoundRenderImpl.csFilter");
 312     pDSoundRender->state = State_Stopped;
 313
 314     pDSoundRender->ppPins = CoTaskMemAlloc(1 * sizeof(IPin *));
 315     if (!pDSoundRender->ppPins)
 316     {
 317         pDSoundRender->csFilter.DebugInfo->Spare[0] = 0;
 318         DeleteCriticalSection(&pDSoundRender->csFilter);
 319         CoTaskMemFree(pDSoundRender);
 320         return E_OUTOFMEMORY;
 321     }
 322
 323     /* construct input pin */
 324     piInput.dir = PINDIR_INPUT;
 325     piInput.pFilter = (IBaseFilter *)pDSoundRender;
 326     lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
 327     hr = DSoundRender_InputPin_Construct(&piInput, DSoundRender_Sample, (LPVOID)pDSoundRender, DSoundRender_QueryAccept, &pDSoundRender->csFilter, (IPin **)&pDSoundRender->pInputPin);
 328
 329     if (SUCCEEDED(hr))
 330     {
 331         hr = DirectSoundCreate(NULL, &pDSoundRender->dsound, NULL);
 332         if (FAILED(hr))
 333             ERR("Cannot create Direct Sound object (%x)\n", hr);
 334     }
 335
 336     if (SUCCEEDED(hr))
 337     {
 338         MediaSeekingImpl_Init((IBaseFilter*)pDSoundRender, sound_mod_stop, sound_mod_start, sound_mod_rate, &pDSoundRender->mediaSeeking, &pDSoundRender->csFilter);
 339         pDSoundRender->mediaSeeking.lpVtbl = &IMediaSeeking_Vtbl;
 340
 341         pDSoundRender->ppPins[0] = (IPin *)pDSoundRender->pInputPin;
 342         *ppv = (LPVOID)pDSoundRender;
 343     }
 344     else
 345     {
 346         if (pDSoundRender->pInputPin)
 347             IPin_Release((IPin*)pDSoundRender->pInputPin);
 348         CoTaskMemFree(pDSoundRender->ppPins);
 349         pDSoundRender->csFilter.DebugInfo->Spare[0] = 0;
 350         DeleteCriticalSection(&pDSoundRender->csFilter);
 351         CoTaskMemFree(pDSoundRender);
 352     }
 353
 354     return hr;
 355 }
 356
 357 static HRESULT WINAPI DSoundRender_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
 358 {
 359     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 360     TRACE("(%p, %p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
 361
 362     *ppv = NULL;
 363
 364     if (IsEqualIID(riid, &IID_IUnknown))
 365         *ppv = (LPVOID)This;
 366     else if (IsEqualIID(riid, &IID_IPersist))
 367         *ppv = (LPVOID)This;
 368     else if (IsEqualIID(riid, &IID_IMediaFilter))
 369         *ppv = (LPVOID)This;
 370     else if (IsEqualIID(riid, &IID_IBaseFilter))
 371         *ppv = (LPVOID)This;
 372     else if (IsEqualIID(riid, &IID_IBasicAudio))
 373         *ppv = (LPVOID)&(This->IBasicAudio_vtbl);
 374     else if (IsEqualIID(riid, &IID_IReferenceClock))
 375         *ppv = (LPVOID)&(This->IReferenceClock_vtbl);
 376     else if (IsEqualIID(riid, &IID_IMediaSeeking))
 377         *ppv = &This->mediaSeeking.lpVtbl;
 378
 379     if (*ppv)
 380     {
 381         IUnknown_AddRef((IUnknown *)(*ppv));
 382         return S_OK;
 383     }
 384
 385     if (!IsEqualIID(riid, &IID_IPin))
 386         FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 387
 388     return E_NOINTERFACE;
 389 }
 390
 391 static ULONG WINAPI DSoundRender_AddRef(IBaseFilter * iface)
 392 {
 393     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 394     ULONG refCount = InterlockedIncrement(&This->refCount);
 395
 396     TRACE("(%p/%p)->() AddRef from %d\n", This, iface, refCount - 1);
 397
 398     return refCount;
 399 }
 400
 401 static ULONG WINAPI DSoundRender_Release(IBaseFilter * iface)
 402 {
 403     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 404     ULONG refCount = InterlockedDecrement(&This->refCount);
 405
 406     TRACE("(%p)->() Release from %d\n", This, refCount + 1);
 407
 408     if (!refCount)
 409     {
 410         IPin *pConnectedTo;
 411
 412         if (This->pClock)
 413             IReferenceClock_Release(This->pClock);
 414
 415         if (This->dsbuffer)
 416             IDirectSoundBuffer_Release(This->dsbuffer);
 417         This->dsbuffer = NULL;
 418         if (This->dsound)
 419             IDirectSound_Release(This->dsound);
 420         This->dsound = NULL;
 421
 422         if (SUCCEEDED(IPin_ConnectedTo(This->ppPins[0], &pConnectedTo)))
 423         {
 424             IPin_Disconnect(pConnectedTo);
 425             IPin_Release(pConnectedTo);
 426         }
 427         IPin_Disconnect(This->ppPins[0]);
 428
 429         IPin_Release(This->ppPins[0]);
 430
 431         CoTaskMemFree(This->ppPins);
 432         This->lpVtbl = NULL;
 433         This->IBasicAudio_vtbl = NULL;
 434
 435         This->csFilter.DebugInfo->Spare[0] = 0;
 436         DeleteCriticalSection(&This->csFilter);
 437
 438         TRACE("Destroying Audio Renderer\n");
 439         CoTaskMemFree(This);
 440
 441         return 0;
 442     }
 443     else
 444         return refCount;
 445 }
 446
 447 /** IPersist methods **/
 448
 449 static HRESULT WINAPI DSoundRender_GetClassID(IBaseFilter * iface, CLSID * pClsid)
 450 {
 451     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 452     TRACE("(%p/%p)->(%p)\n", This, iface, pClsid);
 453
 454     *pClsid = CLSID_DSoundRender;
 455
 456     return S_OK;
 457 }
 458
 459 /** IMediaFilter methods **/
 460
 461 static HRESULT WINAPI DSoundRender_Stop(IBaseFilter * iface)
 462 {
 463     HRESULT hr = S_OK;
 464     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 465
 466     TRACE("(%p/%p)->()\n", This, iface);
 467
 468     EnterCriticalSection(&This->csFilter);
 469     {
 470         DWORD state = 0;
 471         if (This->dsbuffer)
 472         {
 473             hr = IDirectSoundBuffer_GetStatus(This->dsbuffer, &state);
 474             if (SUCCEEDED(hr))
 475             {
 476                 if (state & DSBSTATUS_PLAYING)
 477                     hr = IDirectSoundBuffer_Stop(This->dsbuffer);
 478             }
 479         }
 480         if (SUCCEEDED(hr))
 481             This->state = State_Stopped;
 482     }
 483     LeaveCriticalSection(&This->csFilter);
 484
 485     return hr;
 486 }
 487
 488 static HRESULT WINAPI DSoundRender_Pause(IBaseFilter * iface)
 489 {
 490     HRESULT hr = S_OK;
 491     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 492
 493     TRACE("(%p/%p)->()\n", This, iface);
 494
 495     EnterCriticalSection(&This->csFilter);
 496     {
 497         DWORD state = 0;
 498         if (This->dsbuffer)
 499         {
 500             hr = IDirectSoundBuffer_GetStatus(This->dsbuffer, &state);
 501             if (SUCCEEDED(hr))
 502             {
 503                 if (state & DSBSTATUS_PLAYING)
 504                     hr = IDirectSoundBuffer_Stop(This->dsbuffer);
 505             }
 506         }
 507         if (SUCCEEDED(hr))
 508             This->state = State_Paused;
 509     }
 510     LeaveCriticalSection(&This->csFilter);
 511
 512     return hr;
 513 }
 514
 515 static HRESULT WINAPI DSoundRender_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
 516 {
 517     HRESULT hr = S_OK;
 518     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 519
 520     TRACE("(%p/%p)->(%s)\n", This, iface, wine_dbgstr_longlong(tStart));
 521
 522     EnterCriticalSection(&This->csFilter);
 523     {
 524         /* It's okay if there's no buffer yet. It'll start when it's created */
 525         if (This->dsbuffer)
 526         {
 527             if (This->state == State_Stopped)
 528             {
 529                 char *buf1;
 530                 DWORD size1;
 531
 532                 IDirectSoundBuffer_Lock(This->dsbuffer, 0, 0, (void**)&buf1, &size1, NULL, NULL, DSBLOCK_ENTIREBUFFER);
 533                 memset(buf1, 0, size1);
 534                 IDirectSoundBuffer_Unlock(This->dsbuffer, buf1, size1, NULL, 0);
 535             }
 536             hr = IDirectSoundBuffer_Play(This->dsbuffer, 0, 0, DSBPLAY_LOOPING);
 537             if (FAILED(hr))
 538                 ERR("Can't start playing! (%x)\n", hr);
 539         }
 540         if (SUCCEEDED(hr))
 541         {
 542             This->rtStreamStart = tStart;
 543             This->state = State_Running;
 544         }
 545     }
 546     LeaveCriticalSection(&This->csFilter);
 547
 548     return hr;
 549 }
 550
 551 static HRESULT WINAPI DSoundRender_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
 552 {
 553     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 554
 555     TRACE("(%p/%p)->(%d, %p)\n", This, iface, dwMilliSecsTimeout, pState);
 556
 557     EnterCriticalSection(&This->csFilter);
 558     {
 559         *pState = This->state;
 560     }
 561     LeaveCriticalSection(&This->csFilter);
 562
 563     return S_OK;
 564 }
 565
 566 static HRESULT WINAPI DSoundRender_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
 567 {
 568     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 569
 570     TRACE("(%p/%p)->(%p)\n", This, iface, pClock);
 571
 572     EnterCriticalSection(&This->csFilter);
 573     {
 574         if (This->pClock)
 575             IReferenceClock_Release(This->pClock);
 576         This->pClock = pClock;
 577         if (This->pClock)
 578             IReferenceClock_AddRef(This->pClock);
 579     }
 580     LeaveCriticalSection(&This->csFilter);
 581
 582     return S_OK;
 583 }
 584
 585 static HRESULT WINAPI DSoundRender_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
 586 {
 587     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 588
 589     TRACE("(%p/%p)->(%p)\n", This, iface, ppClock);
 590
 591     EnterCriticalSection(&This->csFilter);
 592     {
 593         *ppClock = This->pClock;
 594         IReferenceClock_AddRef(This->pClock);
 595     }
 596     LeaveCriticalSection(&This->csFilter);
 597
 598     return S_OK;
 599 }
 600
 601 /** IBaseFilter implementation **/
 602
 603 static HRESULT WINAPI DSoundRender_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
 604 {
 605     ENUMPINDETAILS epd;
 606     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 607
 608     TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
 609
 610     epd.cPins = 1; /* input pin */
 611     epd.ppPins = This->ppPins;
 612     return IEnumPinsImpl_Construct(&epd, ppEnum);
 613 }
 614
 615 static HRESULT WINAPI DSoundRender_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
 616 {
 617     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 618
 619     TRACE("(%p/%p)->(%s,%p)\n", This, iface, debugstr_w(Id), ppPin);
 620
 621     FIXME("DSoundRender::FindPin(...)\n");
 622
 623     /* FIXME: critical section */
 624
 625     return E_NOTIMPL;
 626 }
 627
 628 static HRESULT WINAPI DSoundRender_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
 629 {
 630     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 631
 632     TRACE("(%p/%p)->(%p)\n", This, iface, pInfo);
 633
 634     strcpyW(pInfo->achName, This->filterInfo.achName);
 635     pInfo->pGraph = This->filterInfo.pGraph;
 636
 637     if (pInfo->pGraph)
 638         IFilterGraph_AddRef(pInfo->pGraph);
 639
 640     return S_OK;
 641 }
 642
 643 static HRESULT WINAPI DSoundRender_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
 644 {
 645     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 646
 647     TRACE("(%p/%p)->(%p, %s)\n", This, iface, pGraph, debugstr_w(pName));
 648
 649     EnterCriticalSection(&This->csFilter);
 650     {
 651         if (pName)
 652             strcpyW(This->filterInfo.achName, pName);
 653         else
 654             *This->filterInfo.achName = '\0';
 655         This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
 656     }
 657     LeaveCriticalSection(&This->csFilter);
 658
 659     return S_OK;
 660 }
 661
 662 static HRESULT WINAPI DSoundRender_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
 663 {
 664     DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 665     TRACE("(%p/%p)->(%p)\n", This, iface, pVendorInfo);
 666     return E_NOTIMPL;
 667 }
 668
 669 static const IBaseFilterVtbl DSoundRender_Vtbl =
 670 {
 671     DSoundRender_QueryInterface,
 672     DSoundRender_AddRef,
 673     DSoundRender_Release,
 674     DSoundRender_GetClassID,
 675     DSoundRender_Stop,
 676     DSoundRender_Pause,
 677     DSoundRender_Run,
 678     DSoundRender_GetState,
 679     DSoundRender_SetSyncSource,
 680     DSoundRender_GetSyncSource,
 681     DSoundRender_EnumPins,
 682     DSoundRender_FindPin,
 683     DSoundRender_QueryFilterInfo,
 684     DSoundRender_JoinFilterGraph,
 685     DSoundRender_QueryVendorInfo
 686 };
 687
 688 static HRESULT WINAPI DSoundRender_InputPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
 689 {
 690     InputPin *This = (InputPin *)iface;
 691     PIN_DIRECTION pindirReceive;
 692     DSoundRenderImpl *DSImpl;
 693     HRESULT hr = S_OK;
 694
 695     TRACE("(%p)->(%p, %p)\n", This, pReceivePin, pmt);
 696     dump_AM_MEDIA_TYPE(pmt);
 697
 698     EnterCriticalSection(This->pin.pCritSec);
 699     {
 700         DSImpl = (DSoundRenderImpl*)This->pin.pinInfo.pFilter;
 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             if (DSImpl->state == State_Running)
 758                 hr = IDirectSoundBuffer_Play(DSImpl->dsbuffer, 0, 0, DSBPLAY_LOOPING);
 759             if (FAILED(hr))
 760                 ERR("Can't play sound buffer (%x)\n", hr);
 761         }
 762
 763         if (SUCCEEDED(hr))
 764         {
 765             CopyMediaType(&This->pin.mtCurrent, pmt);
 766             This->pin.pConnectedTo = pReceivePin;
 767             IPin_AddRef(pReceivePin);
 768         }
 769         else
 770         {
 771             if (DSImpl->dsbuffer)
 772                 IDirectSoundBuffer_Release(DSImpl->dsbuffer);
 773             DSImpl->dsbuffer = NULL;
 774         }
 775     }
 776     LeaveCriticalSection(This->pin.pCritSec);
 777
 778     return hr;
 779 }
 780
 781 static HRESULT WINAPI DSoundRender_InputPin_Disconnect(IPin * iface)
 782 {
 783     IPinImpl *This = (IPinImpl*)iface;
 784     DSoundRenderImpl *DSImpl;
 785
 786     TRACE("(%p)->()\n", iface);
 787
 788     DSImpl = (DSoundRenderImpl*)This->pinInfo.pFilter;
 789     if (DSImpl->dsbuffer)
 790         IDirectSoundBuffer_Release(DSImpl->dsbuffer);
 791     DSImpl->dsbuffer = NULL;
 792
 793     return IPinImpl_Disconnect(iface);
 794 }
 795
 796 static HRESULT WINAPI DSoundRender_InputPin_EndOfStream(IPin * iface)
 797 {
 798     InputPin* This = (InputPin*)iface;
 799     DSoundRenderImpl *me = (DSoundRenderImpl*)This->pin.pinInfo.pFilter;
 800     IMediaEventSink* pEventSink;
 801     HRESULT hr;
 802
 803     TRACE("(%p/%p)->()\n", This, iface);
 804     InputPin_EndOfStream(iface);
 805
 806     hr = IFilterGraph_QueryInterface(me->filterInfo.pGraph, &IID_IMediaEventSink, (LPVOID*)&pEventSink);
 807     if (SUCCEEDED(hr))
 808     {
 809         BYTE * silence;
 810
 811         silence = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, me->buf_size);
 812         if (silence)
 813         {
 814             memset(silence, 0, me->buf_size);
 815             DSoundRender_SendSampleData((DSoundRenderImpl*)This->pin.pinInfo.pFilter, silence, me->buf_size);
 816             HeapFree(GetProcessHeap(), 0, silence);
 817         }
 818
 819         hr = IMediaEventSink_Notify(pEventSink, EC_COMPLETE, S_OK, 0);
 820         IMediaEventSink_Release(pEventSink);
 821     }
 822
 823     return hr;
 824 }
 825
 826 static const IPinVtbl DSoundRender_InputPin_Vtbl =
 827 {
 828     InputPin_QueryInterface,
 829     IPinImpl_AddRef,
 830     InputPin_Release,
 831     InputPin_Connect,
 832     DSoundRender_InputPin_ReceiveConnection,
 833     DSoundRender_InputPin_Disconnect,
 834     IPinImpl_ConnectedTo,
 835     IPinImpl_ConnectionMediaType,
 836     IPinImpl_QueryPinInfo,
 837     IPinImpl_QueryDirection,
 838     IPinImpl_QueryId,
 839     IPinImpl_QueryAccept,
 840     IPinImpl_EnumMediaTypes,
 841     IPinImpl_QueryInternalConnections,
 842     DSoundRender_InputPin_EndOfStream,
 843     InputPin_BeginFlush,
 844     InputPin_EndFlush,
 845     InputPin_NewSegment
 846 };
 847
 848 static const IMemInputPinVtbl MemInputPin_Vtbl =
 849 {
 850     MemInputPin_QueryInterface,
 851     MemInputPin_AddRef,
 852     MemInputPin_Release,
 853     MemInputPin_GetAllocator,
 854     MemInputPin_NotifyAllocator,
 855     MemInputPin_GetAllocatorRequirements,
 856     MemInputPin_Receive,
 857     MemInputPin_ReceiveMultiple,
 858     MemInputPin_ReceiveCanBlock
 859 };
 860
 861 /*** IUnknown methods ***/
 862 static HRESULT WINAPI Basicaudio_QueryInterface(IBasicAudio *iface,
 863                                                 REFIID riid,
 864                                                 LPVOID*ppvObj) {
 865     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 866
 867     TRACE("(%p/%p)->(%s (%p), %p)\n", This, iface, debugstr_guid(riid), riid, ppvObj);
 868
 869     return DSoundRender_QueryInterface((IBaseFilter*)This, riid, ppvObj);
 870 }
 871
 872 static ULONG WINAPI Basicaudio_AddRef(IBasicAudio *iface) {
 873     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 874
 875     TRACE("(%p/%p)->()\n", This, iface);
 876
 877     return DSoundRender_AddRef((IBaseFilter*)This);
 878 }
 879
 880 static ULONG WINAPI Basicaudio_Release(IBasicAudio *iface) {
 881     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 882
 883     TRACE("(%p/%p)->()\n", This, iface);
 884
 885     return DSoundRender_Release((IBaseFilter*)This);
 886 }
 887
 888 /*** IDispatch methods ***/
 889 static HRESULT WINAPI Basicaudio_GetTypeInfoCount(IBasicAudio *iface,
 890                                                   UINT*pctinfo) {
 891     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 892
 893     TRACE("(%p/%p)->(%p): stub !!!\n", This, iface, pctinfo);
 894
 895     return S_OK;
 896 }
 897
 898 static HRESULT WINAPI Basicaudio_GetTypeInfo(IBasicAudio *iface,
 899                                              UINT iTInfo,
 900                                              LCID lcid,
 901                                              ITypeInfo**ppTInfo) {
 902     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 903
 904     TRACE("(%p/%p)->(%d, %d, %p): stub !!!\n", This, iface, iTInfo, lcid, ppTInfo);
 905
 906     return S_OK;
 907 }
 908
 909 static HRESULT WINAPI Basicaudio_GetIDsOfNames(IBasicAudio *iface,
 910                                                REFIID riid,
 911                                                LPOLESTR*rgszNames,
 912                                                UINT cNames,
 913                                                LCID lcid,
 914                                                DISPID*rgDispId) {
 915     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 916
 917     TRACE("(%p/%p)->(%s (%p), %p, %d, %d, %p): stub !!!\n", This, iface, debugstr_guid(riid), riid, rgszNames, cNames, lcid, rgDispId);
 918
 919     return S_OK;
 920 }
 921
 922 static HRESULT WINAPI Basicaudio_Invoke(IBasicAudio *iface,
 923                                         DISPID dispIdMember,
 924                                         REFIID riid,
 925                                         LCID lcid,
 926                                         WORD wFlags,
 927                                         DISPPARAMS*pDispParams,
 928                                         VARIANT*pVarResult,
 929                                         EXCEPINFO*pExepInfo,
 930                                         UINT*puArgErr) {
 931     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 932
 933     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);
 934
 935     return S_OK;
 936 }
 937
 938 /*** IBasicAudio methods ***/
 939 static HRESULT WINAPI Basicaudio_put_Volume(IBasicAudio *iface,
 940                                             long lVolume) {
 941     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 942
 943     TRACE("(%p/%p)->(%ld)\n", This, iface, lVolume);
 944
 945     if (lVolume > DSBVOLUME_MAX || lVolume < DSBVOLUME_MIN)
 946         return E_INVALIDARG;
 947
 948     if (This->dsbuffer) {
 949         if (FAILED(IDirectSoundBuffer_SetVolume(This->dsbuffer, lVolume)))
 950             return E_FAIL;
 951     }
 952
 953     This->volume = lVolume;
 954     return S_OK;
 955 }
 956
 957 static HRESULT WINAPI Basicaudio_get_Volume(IBasicAudio *iface,
 958                                             long *plVolume) {
 959     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 960
 961     TRACE("(%p/%p)->(%p)\n", This, iface, plVolume);
 962
 963     if (!plVolume)
 964         return E_POINTER;
 965
 966     *plVolume = This->volume;
 967     return S_OK;
 968 }
 969
 970 static HRESULT WINAPI Basicaudio_put_Balance(IBasicAudio *iface,
 971                                              long lBalance) {
 972     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 973
 974     TRACE("(%p/%p)->(%ld)\n", This, iface, lBalance);
 975
 976     if (lBalance < DSBPAN_LEFT || lBalance > DSBPAN_RIGHT)
 977         return E_INVALIDARG;
 978
 979     if (This->dsbuffer) {
 980         if (FAILED(IDirectSoundBuffer_SetPan(This->dsbuffer, lBalance)))
 981             return E_FAIL;
 982     }
 983
 984     This->pan = lBalance;
 985     return S_OK;
 986 }
 987
 988 static HRESULT WINAPI Basicaudio_get_Balance(IBasicAudio *iface,
 989                                              long *plBalance) {
 990     ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
 991
 992     TRACE("(%p/%p)->(%p)\n", This, iface, plBalance);
 993
 994     if (!plBalance)
 995         return E_POINTER;
 996
 997     *plBalance = This->pan;
 998     return S_OK;
 999 }
1000
1001 static const IBasicAudioVtbl IBasicAudio_Vtbl =
1002 {
1003     Basicaudio_QueryInterface,
1004     Basicaudio_AddRef,
1005     Basicaudio_Release,
1006     Basicaudio_GetTypeInfoCount,
1007     Basicaudio_GetTypeInfo,
1008     Basicaudio_GetIDsOfNames,
1009     Basicaudio_Invoke,
1010     Basicaudio_put_Volume,
1011     Basicaudio_get_Volume,
1012     Basicaudio_put_Balance,
1013     Basicaudio_get_Balance
1014 };
1015
1016
1017 /*** IUnknown methods ***/
1018 static HRESULT WINAPI ReferenceClock_QueryInterface(IReferenceClock *iface,
1019                                                 REFIID riid,
1020                                                 LPVOID*ppvObj)
1021 {
1022     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1023
1024     TRACE("(%p/%p)->(%s (%p), %p)\n", This, iface, debugstr_guid(riid), riid, ppvObj);
1025
1026     return DSoundRender_QueryInterface((IBaseFilter*)This, riid, ppvObj);
1027 }
1028
1029 static ULONG WINAPI ReferenceClock_AddRef(IReferenceClock *iface)
1030 {
1031     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1032
1033     TRACE("(%p/%p)->()\n", This, iface);
1034
1035     return DSoundRender_AddRef((IBaseFilter*)This);
1036 }
1037
1038 static ULONG WINAPI ReferenceClock_Release(IReferenceClock *iface)
1039 {
1040     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1041
1042     TRACE("(%p/%p)->()\n", This, iface);
1043
1044     return DSoundRender_Release((IBaseFilter*)This);
1045 }
1046
1047 /*** IReferenceClock methods ***/
1048 static HRESULT WINAPI ReferenceClock_GetTime(IReferenceClock *iface,
1049                                              REFERENCE_TIME *pTime)
1050 {
1051     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1052     HRESULT hr = E_FAIL;
1053     DWORD play_pos;
1054
1055     TRACE("(%p/%p)->(%p)\n", This, iface, pTime);
1056
1057     if (This->dsbuffer)
1058         hr = DSoundRender_GetPos(This, &play_pos, NULL, pTime);
1059     if (FAILED(hr))
1060         ERR("Could not get reference time (%x)!\n", hr);
1061
1062     return hr;
1063 }
1064
1065 static HRESULT WINAPI ReferenceClock_AdviseTime(IReferenceClock *iface,
1066                                                 REFERENCE_TIME rtBaseTime,
1067                                                 REFERENCE_TIME rtStreamTime,
1068                                                 HEVENT hEvent,
1069                                                 DWORD_PTR *pdwAdviseCookie)
1070 {
1071     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1072
1073     FIXME("(%p/%p)->(%s, %s, %p, %p): stub!\n", This, iface, wine_dbgstr_longlong(rtBaseTime), wine_dbgstr_longlong(rtStreamTime), (void*)hEvent, pdwAdviseCookie);
1074
1075     return E_NOTIMPL;
1076 }
1077
1078 static HRESULT WINAPI ReferenceClock_AdvisePeriodic(IReferenceClock *iface,
1079                                                     REFERENCE_TIME rtBaseTime,
1080                                                     REFERENCE_TIME rtStreamTime,
1081                                                     HSEMAPHORE hSemaphore,
1082                                                     DWORD_PTR *pdwAdviseCookie)
1083 {
1084     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1085
1086     FIXME("(%p/%p)->(%s, %s, %p, %p): stub!\n", This, iface, wine_dbgstr_longlong(rtBaseTime), wine_dbgstr_longlong(rtStreamTime), (void*)hSemaphore, pdwAdviseCookie);
1087
1088     return E_NOTIMPL;
1089 }
1090
1091 static HRESULT WINAPI ReferenceClock_Unadvise(IReferenceClock *iface,
1092                                               DWORD_PTR dwAdviseCookie)
1093 {
1094     ICOM_THIS_MULTI(DSoundRenderImpl, IReferenceClock_vtbl, iface);
1095
1096     FIXME("(%p/%p)->(%p): stub!\n", This, iface, (void*)dwAdviseCookie);
1097
1098     return S_FALSE;
1099 }
1100
1101 static const IReferenceClockVtbl IReferenceClock_Vtbl =
1102 {
1103     ReferenceClock_QueryInterface,
1104     ReferenceClock_AddRef,
1105     ReferenceClock_Release,
1106     ReferenceClock_GetTime,
1107     ReferenceClock_AdviseTime,
1108     ReferenceClock_AdvisePeriodic,
1109     ReferenceClock_Unadvise
1110 };
1111
1112 static inline DSoundRenderImpl *impl_from_IMediaSeeking( IMediaSeeking *iface )
1113 {
1114     return (DSoundRenderImpl *)((char*)iface - FIELD_OFFSET(DSoundRenderImpl, mediaSeeking.lpVtbl));
1115 }
1116
1117 static HRESULT WINAPI sound_seek_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
1118 {
1119     DSoundRenderImpl *This = impl_from_IMediaSeeking(iface);
1120
1121     return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
1122 }
1123
1124 static ULONG WINAPI sound_seek_AddRef(IMediaSeeking * iface)
1125 {
1126     DSoundRenderImpl *This = impl_from_IMediaSeeking(iface);
1127
1128     return IUnknown_AddRef((IUnknown *)This);
1129 }
1130
1131 static ULONG WINAPI sound_seek_Release(IMediaSeeking * iface)
1132 {
1133     DSoundRenderImpl *This = impl_from_IMediaSeeking(iface);
1134
1135     return IUnknown_Release((IUnknown *)This);
1136 }
1137
1138 static const IMediaSeekingVtbl IMediaSeeking_Vtbl =
1139 {
1140     sound_seek_QueryInterface,
1141     sound_seek_AddRef,
1142     sound_seek_Release,
1143     MediaSeekingImpl_GetCapabilities,
1144     MediaSeekingImpl_CheckCapabilities,
1145     MediaSeekingImpl_IsFormatSupported,
1146     MediaSeekingImpl_QueryPreferredFormat,
1147     MediaSeekingImpl_GetTimeFormat,
1148     MediaSeekingImpl_IsUsingTimeFormat,
1149     MediaSeekingImpl_SetTimeFormat,
1150     MediaSeekingImpl_GetDuration,
1151     MediaSeekingImpl_GetStopPosition,
1152     MediaSeekingImpl_GetCurrentPosition,
1153     MediaSeekingImpl_ConvertTimeFormat,
1154     MediaSeekingImpl_SetPositions,
1155     MediaSeekingImpl_GetPositions,
1156     MediaSeekingImpl_GetAvailable,
1157     MediaSeekingImpl_SetRate,
1158     MediaSeekingImpl_GetRate,
1159     MediaSeekingImpl_GetPreroll
1160 };