git.oblomov.eu Git - wine/blob - dlls/quartz/transform.c

   1 /*
   2  * Transform Filter (Base for decoders, etc...)
   3  *
   4  * Copyright 2005 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 "aviriff.h"
  29 #include "mmreg.h"
  30 #include "vfwmsgs.h"
  31 #include "amvideo.h"
  32 #include "windef.h"
  33 #include "winbase.h"
  34 #include "dshow.h"
  35 #include "strmif.h"
  36 #include "vfwmsgs.h"
  37 #include "evcode.h"
  38 #include "vfw.h"
  39
  40 #include <assert.h>
  41
  42 #include "wine/unicode.h"
  43 #include "wine/debug.h"
  44
  45 #include "transform.h"
  46
  47 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  48
  49 static const WCHAR wcsInputPinName[] = {'i','n','p','u','t',' ','p','i','n',0};
  50 static const WCHAR wcsOutputPinName[] = {'o','u','t','p','u','t',' ','p','i','n',0};
  51
  52 static const IBaseFilterVtbl TransformFilter_Vtbl;
  53 static const IPinVtbl TransformFilter_InputPin_Vtbl;
  54 static const IMemInputPinVtbl MemInputPin_Vtbl;
  55 static const IPinVtbl TransformFilter_OutputPin_Vtbl;
  56
  57 static HRESULT TransformFilter_Sample(LPVOID iface, IMediaSample * pSample)
  58 {
  59     TransformFilterImpl *This = (TransformFilterImpl *)iface;
  60     LPBYTE pbSrcStream = NULL;
  61     long cbSrcStream = 0;
  62     REFERENCE_TIME tStart, tStop;
  63     HRESULT hr;
  64
  65     TRACE("%p %p\n", iface, pSample);
  66
  67     hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
  68     if (FAILED(hr))
  69     {
  70         ERR("Cannot get pointer to sample data (%lx)\n", hr);
  71         return hr;
  72     }
  73
  74     hr = IMediaSample_GetTime(pSample, &tStart, &tStop);
  75     if (FAILED(hr))
  76         ERR("Cannot get sample time (%lx)\n", hr);
  77
  78     cbSrcStream = IMediaSample_GetActualDataLength(pSample);
  79
  80     TRACE("Sample data ptr = %p, size = %ld\n", pbSrcStream, cbSrcStream);
  81
  82 #if 0 /* For debugging purpose */
  83     {
  84         int i;
  85         for(i = 0; i < cbSrcStream; i++)
  86         {
  87             if ((i!=0) && !(i%16))
  88                 TRACE("\n");
  89             TRACE("%02x ", pbSrcStream[i]);
  90         }
  91         TRACE("\n");
  92     }
  93 #endif
  94
  95     This->pFuncsTable->pfnProcessSampleData(This, pbSrcStream, cbSrcStream);
  96
  97     return S_OK;
  98 }
  99
 100 static HRESULT TransformFilter_Input_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
 101 {
 102     TransformFilterImpl* This = (TransformFilterImpl*)iface;
 103     TRACE("%p\n", iface);
 104     dump_AM_MEDIA_TYPE(pmt);
 105
 106     return This->pFuncsTable->pfnConnectInput(This, pmt);
 107 }
 108
 109
 110 static HRESULT TransformFilter_Output_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
 111 {
 112     TransformFilterImpl* pTransformFilter = (TransformFilterImpl*)iface;
 113     AM_MEDIA_TYPE* outpmt = &((OutputPin*)pTransformFilter->ppPins[1])->pin.mtCurrent;
 114     TRACE("%p\n", iface);
 115
 116     if (IsEqualIID(&pmt->majortype, &outpmt->majortype) && IsEqualIID(&pmt->subtype, &outpmt->subtype))
 117         return S_OK;
 118     return S_FALSE;
 119 }
 120
 121 static HRESULT TransformFilter_InputPin_Construct(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
 122 {
 123     InputPin * pPinImpl;
 124
 125     *ppPin = NULL;
 126
 127     if (pPinInfo->dir != PINDIR_INPUT)
 128     {
 129         ERR("Pin direction(%x) != PINDIR_INPUT\n", pPinInfo->dir);
 130         return E_INVALIDARG;
 131     }
 132
 133     pPinImpl = CoTaskMemAlloc(sizeof(*pPinImpl));
 134
 135     if (!pPinImpl)
 136         return E_OUTOFMEMORY;
 137
 138     if (SUCCEEDED(InputPin_Init(pPinInfo, pSampleProc, pUserData, pQueryAccept, pCritSec, pPinImpl)))
 139     {
 140         pPinImpl->pin.lpVtbl = &TransformFilter_InputPin_Vtbl;
 141         pPinImpl->lpVtblMemInput = &MemInputPin_Vtbl;
 142
 143         *ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
 144         return S_OK;
 145     }
 146     return E_FAIL;
 147 }
 148
 149 static HRESULT TransformFilter_OutputPin_Construct(const PIN_INFO * pPinInfo, ALLOCATOR_PROPERTIES *props, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
 150 {
 151     OutputPin * pPinImpl;
 152
 153     *ppPin = NULL;
 154
 155     if (pPinInfo->dir != PINDIR_OUTPUT)
 156     {
 157         ERR("Pin direction(%x) != PINDIR_OUTPUT\n", pPinInfo->dir);
 158         return E_INVALIDARG;
 159     }
 160
 161     pPinImpl = CoTaskMemAlloc(sizeof(*pPinImpl));
 162
 163     if (!pPinImpl)
 164         return E_OUTOFMEMORY;
 165
 166     if (SUCCEEDED(OutputPin_Init(pPinInfo, props, pUserData, pQueryAccept, pCritSec, pPinImpl)))
 167     {
 168         pPinImpl->pin.lpVtbl = &TransformFilter_OutputPin_Vtbl;
 169
 170         *ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
 171         return S_OK;
 172     }
 173     return E_FAIL;
 174 }
 175
 176 HRESULT TransformFilter_Create(TransformFilterImpl* pTransformFilter, const CLSID* pClsid, TransformFuncsTable* pFuncsTable)
 177 {
 178     HRESULT hr;
 179     PIN_INFO piInput;
 180     PIN_INFO piOutput;
 181
 182     /* pTransformFilter is already allocated */
 183     pTransformFilter->clsid = *pClsid;
 184     pTransformFilter->pFuncsTable = pFuncsTable;
 185
 186     pTransformFilter->lpVtbl = &TransformFilter_Vtbl;
 187
 188     pTransformFilter->refCount = 1;
 189     InitializeCriticalSection(&pTransformFilter->csFilter);
 190     pTransformFilter->state = State_Stopped;
 191     pTransformFilter->pClock = NULL;
 192     ZeroMemory(&pTransformFilter->filterInfo, sizeof(FILTER_INFO));
 193
 194     pTransformFilter->ppPins = CoTaskMemAlloc(2 * sizeof(IPin *));
 195
 196     /* construct input pin */
 197     piInput.dir = PINDIR_INPUT;
 198     piInput.pFilter = (IBaseFilter *)pTransformFilter;
 199     lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
 200     piOutput.dir = PINDIR_OUTPUT;
 201     piOutput.pFilter = (IBaseFilter *)pTransformFilter;
 202     lstrcpynW(piOutput.achName, wcsOutputPinName, sizeof(piOutput.achName) / sizeof(piOutput.achName[0]));
 203
 204     hr = TransformFilter_InputPin_Construct(&piInput, TransformFilter_Sample, pTransformFilter, TransformFilter_Input_QueryAccept, &pTransformFilter->csFilter, &pTransformFilter->ppPins[0]);
 205
 206     if (SUCCEEDED(hr))
 207     {
 208         ALLOCATOR_PROPERTIES props;
 209         props.cbAlign = 1;
 210         props.cbPrefix = 0;
 211         props.cbBuffer = 0; /* Will be updated at connection time */
 212         props.cBuffers = 2;
 213
 214         hr = TransformFilter_OutputPin_Construct(&piOutput, &props, pTransformFilter, TransformFilter_Output_QueryAccept, &pTransformFilter->csFilter, &pTransformFilter->ppPins[1]);
 215
 216         if (FAILED(hr))
 217             ERR("Cannot create output pin (%lx)\n", hr);
 218     }
 219     else
 220     {
 221         CoTaskMemFree(pTransformFilter->ppPins);
 222         DeleteCriticalSection(&pTransformFilter->csFilter);
 223         CoTaskMemFree(pTransformFilter);
 224     }
 225
 226     return hr;
 227 }
 228
 229 static HRESULT WINAPI TransformFilter_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
 230 {
 231     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 232     TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
 233
 234     *ppv = NULL;
 235
 236     if (IsEqualIID(riid, &IID_IUnknown))
 237         *ppv = (LPVOID)This;
 238     else if (IsEqualIID(riid, &IID_IPersist))
 239         *ppv = (LPVOID)This;
 240     else if (IsEqualIID(riid, &IID_IMediaFilter))
 241         *ppv = (LPVOID)This;
 242     else if (IsEqualIID(riid, &IID_IBaseFilter))
 243         *ppv = (LPVOID)This;
 244
 245     if (*ppv)
 246     {
 247         IUnknown_AddRef((IUnknown *)(*ppv));
 248         return S_OK;
 249     }
 250
 251     FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 252
 253     return E_NOINTERFACE;
 254 }
 255
 256 static ULONG WINAPI TransformFilter_AddRef(IBaseFilter * iface)
 257 {
 258     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 259     ULONG refCount = InterlockedIncrement(&This->refCount);
 260
 261     TRACE("(%p/%p)->() AddRef from %ld\n", This, iface, refCount - 1);
 262
 263     return refCount;
 264 }
 265
 266 static ULONG WINAPI TransformFilter_Release(IBaseFilter * iface)
 267 {
 268     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 269     ULONG refCount = InterlockedDecrement(&This->refCount);
 270
 271     TRACE("(%p/%p)->() Release from %ld\n", This, iface, refCount + 1);
 272
 273     if (!refCount)
 274     {
 275         ULONG i;
 276
 277         DeleteCriticalSection(&This->csFilter);
 278
 279         if (This->pClock)
 280             IReferenceClock_Release(This->pClock);
 281
 282         for (i = 0; i < 2; i++)
 283             IPin_Release(This->ppPins[i]);
 284
 285         HeapFree(GetProcessHeap(), 0, This->ppPins);
 286         This->lpVtbl = NULL;
 287
 288         This->pFuncsTable->pfnCleanup(This);
 289
 290         TRACE("Destroying transform filter\n");
 291         CoTaskMemFree(This);
 292
 293         return 0;
 294     }
 295     else
 296         return refCount;
 297 }
 298
 299 /** IPersist methods **/
 300
 301 static HRESULT WINAPI TransformFilter_GetClassID(IBaseFilter * iface, CLSID * pClsid)
 302 {
 303     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 304
 305     TRACE("(%p/%p)->(%p)\n", This, iface, pClsid);
 306
 307     *pClsid = This->clsid;
 308
 309     return S_OK;
 310 }
 311
 312 /** IMediaFilter methods **/
 313
 314 static HRESULT WINAPI TransformFilter_Stop(IBaseFilter * iface)
 315 {
 316     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 317
 318     TRACE("(%p/%p)\n", This, iface);
 319
 320     EnterCriticalSection(&This->csFilter);
 321     {
 322         This->state = State_Stopped;
 323         if (This->pFuncsTable->pfnProcessEnd)
 324             This->pFuncsTable->pfnProcessEnd(This);
 325     }
 326     LeaveCriticalSection(&This->csFilter);
 327
 328     return S_OK;
 329 }
 330
 331 static HRESULT WINAPI TransformFilter_Pause(IBaseFilter * iface)
 332 {
 333     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 334
 335     TRACE("(%p/%p)->()\n", This, iface);
 336
 337     EnterCriticalSection(&This->csFilter);
 338     {
 339         This->state = State_Paused;
 340     }
 341     LeaveCriticalSection(&This->csFilter);
 342
 343     return S_OK;
 344 }
 345
 346 static HRESULT WINAPI TransformFilter_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
 347 {
 348     HRESULT hr = S_OK;
 349     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 350
 351     TRACE("(%p/%p)->(%s)\n", This, iface, wine_dbgstr_longlong(tStart));
 352
 353     EnterCriticalSection(&This->csFilter);
 354     {
 355         This->rtStreamStart = tStart;
 356         This->state = State_Running;
 357         OutputPin_CommitAllocator((OutputPin *)This->ppPins[1]);
 358         if (This->pFuncsTable->pfnProcessBegin)
 359             This->pFuncsTable->pfnProcessBegin(This);
 360     }
 361     LeaveCriticalSection(&This->csFilter);
 362
 363     return hr;
 364 }
 365
 366 static HRESULT WINAPI TransformFilter_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
 367 {
 368     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 369
 370     TRACE("(%p/%p)->(%ld, %p)\n", This, iface, dwMilliSecsTimeout, pState);
 371
 372     EnterCriticalSection(&This->csFilter);
 373     {
 374         *pState = This->state;
 375     }
 376     LeaveCriticalSection(&This->csFilter);
 377
 378     return S_OK;
 379 }
 380
 381 static HRESULT WINAPI TransformFilter_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
 382 {
 383     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 384
 385     TRACE("(%p/%p)->(%p)\n", This, iface, pClock);
 386
 387     EnterCriticalSection(&This->csFilter);
 388     {
 389         if (This->pClock)
 390             IReferenceClock_Release(This->pClock);
 391         This->pClock = pClock;
 392         if (This->pClock)
 393             IReferenceClock_AddRef(This->pClock);
 394     }
 395     LeaveCriticalSection(&This->csFilter);
 396
 397     return S_OK;
 398 }
 399
 400 static HRESULT WINAPI TransformFilter_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
 401 {
 402     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 403
 404     TRACE("(%p/%p)->(%p)\n", This, iface, ppClock);
 405
 406     EnterCriticalSection(&This->csFilter);
 407     {
 408         *ppClock = This->pClock;
 409         IReferenceClock_AddRef(This->pClock);
 410     }
 411     LeaveCriticalSection(&This->csFilter);
 412
 413     return S_OK;
 414 }
 415
 416 /** IBaseFilter implementation **/
 417
 418 static HRESULT WINAPI TransformFilter_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
 419 {
 420     ENUMPINDETAILS epd;
 421     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 422
 423     TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
 424
 425     epd.cPins = 2; /* input and output pins */
 426     epd.ppPins = This->ppPins;
 427     return IEnumPinsImpl_Construct(&epd, ppEnum);
 428 }
 429
 430 static HRESULT WINAPI TransformFilter_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
 431 {
 432     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 433
 434     TRACE("(%p/%p)->(%p,%p)\n", This, iface, debugstr_w(Id), ppPin);
 435
 436     return E_NOTIMPL;
 437 }
 438
 439 static HRESULT WINAPI TransformFilter_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
 440 {
 441     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 442
 443     TRACE("(%p/%p)->(%p)\n", This, iface, pInfo);
 444
 445     strcpyW(pInfo->achName, This->filterInfo.achName);
 446     pInfo->pGraph = This->filterInfo.pGraph;
 447
 448     if (pInfo->pGraph)
 449         IFilterGraph_AddRef(pInfo->pGraph);
 450
 451     return S_OK;
 452 }
 453
 454 static HRESULT WINAPI TransformFilter_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
 455 {
 456     HRESULT hr = S_OK;
 457     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 458
 459     TRACE("(%p/%p)->(%p, %s)\n", This, iface, pGraph, debugstr_w(pName));
 460
 461     EnterCriticalSection(&This->csFilter);
 462     {
 463         if (pName)
 464             strcpyW(This->filterInfo.achName, pName);
 465         else
 466             *This->filterInfo.achName = '\0';
 467         This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
 468     }
 469     LeaveCriticalSection(&This->csFilter);
 470
 471     return hr;
 472 }
 473
 474 static HRESULT WINAPI TransformFilter_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
 475 {
 476     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 477     TRACE("(%p/%p)->(%p)\n", This, iface, pVendorInfo);
 478     return E_NOTIMPL;
 479 }
 480
 481 static const IBaseFilterVtbl TransformFilter_Vtbl =
 482 {
 483     TransformFilter_QueryInterface,
 484     TransformFilter_AddRef,
 485     TransformFilter_Release,
 486     TransformFilter_GetClassID,
 487     TransformFilter_Stop,
 488     TransformFilter_Pause,
 489     TransformFilter_Run,
 490     TransformFilter_GetState,
 491     TransformFilter_SetSyncSource,
 492     TransformFilter_GetSyncSource,
 493     TransformFilter_EnumPins,
 494     TransformFilter_FindPin,
 495     TransformFilter_QueryFilterInfo,
 496     TransformFilter_JoinFilterGraph,
 497     TransformFilter_QueryVendorInfo
 498 };
 499
 500 static HRESULT WINAPI TransformFilter_InputPin_EndOfStream(IPin * iface)
 501 {
 502     InputPin* This = (InputPin*) iface;
 503     TransformFilterImpl* pTransform;
 504     IPin* ppin;
 505     HRESULT hr;
 506
 507     TRACE("(%p)->()\n", iface);
 508
 509     /* Since we process samples synchronously, just forward notification downstream */
 510     pTransform = (TransformFilterImpl*)This->pin.pinInfo.pFilter;
 511     if (!pTransform)
 512         hr = E_FAIL;
 513     else
 514         hr = IPin_ConnectedTo(pTransform->ppPins[1], &ppin);
 515     if (SUCCEEDED(hr))
 516     {
 517         hr = IPin_EndOfStream(ppin);
 518         IPin_Release(ppin);
 519     }
 520
 521     if (FAILED(hr))
 522         ERR("%lx\n", hr);
 523     return hr;
 524 }
 525
 526 static const IPinVtbl TransformFilter_InputPin_Vtbl =
 527 {
 528     InputPin_QueryInterface,
 529     IPinImpl_AddRef,
 530     InputPin_Release,
 531     InputPin_Connect,
 532     InputPin_ReceiveConnection,
 533     IPinImpl_Disconnect,
 534     IPinImpl_ConnectedTo,
 535     IPinImpl_ConnectionMediaType,
 536     IPinImpl_QueryPinInfo,
 537     IPinImpl_QueryDirection,
 538     IPinImpl_QueryId,
 539     IPinImpl_QueryAccept,
 540     IPinImpl_EnumMediaTypes,
 541     IPinImpl_QueryInternalConnections,
 542     TransformFilter_InputPin_EndOfStream,
 543     InputPin_BeginFlush,
 544     InputPin_EndFlush,
 545     InputPin_NewSegment
 546 };
 547
 548 static HRESULT WINAPI TransformFilter_Output_EnumMediaTypes(IPin * iface, IEnumMediaTypes ** ppEnum)
 549 {
 550     IPinImpl *This = (IPinImpl *)iface;
 551     ENUMMEDIADETAILS emd;
 552
 553     TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
 554
 555     emd.cMediaTypes = 1;
 556     emd.pMediaTypes = &This->mtCurrent;
 557
 558     return IEnumMediaTypesImpl_Construct(&emd, ppEnum);
 559 }
 560
 561 static HRESULT WINAPI TransformFilter_Output_Disconnect(IPin * iface)
 562 {
 563     OutputPin* This = (OutputPin*)iface;
 564     HRESULT hr;
 565     TransformFilterImpl* pTransformFilter = (TransformFilterImpl*)This->pin.pinInfo.pFilter;
 566
 567     TRACE("(%p/%p)->()\n", This, iface);
 568
 569     hr = OutputPin_Disconnect(iface);
 570
 571     if (hr == S_OK)
 572     {
 573         pTransformFilter->pFuncsTable->pfnCleanup(pTransformFilter);
 574     }
 575
 576     return hr;
 577 }
 578
 579 static const IPinVtbl TransformFilter_OutputPin_Vtbl =
 580 {
 581     OutputPin_QueryInterface,
 582     IPinImpl_AddRef,
 583     OutputPin_Release,
 584     OutputPin_Connect,
 585     OutputPin_ReceiveConnection,
 586     TransformFilter_Output_Disconnect,
 587     IPinImpl_ConnectedTo,
 588     IPinImpl_ConnectionMediaType,
 589     IPinImpl_QueryPinInfo,
 590     IPinImpl_QueryDirection,
 591     IPinImpl_QueryId,
 592     IPinImpl_QueryAccept,
 593     TransformFilter_Output_EnumMediaTypes,
 594     IPinImpl_QueryInternalConnections,
 595     OutputPin_EndOfStream,
 596     OutputPin_BeginFlush,
 597     OutputPin_EndFlush,
 598     OutputPin_NewSegment
 599 };
 600
 601 static const IMemInputPinVtbl MemInputPin_Vtbl =
 602 {
 603     MemInputPin_QueryInterface,
 604     MemInputPin_AddRef,
 605     MemInputPin_Release,
 606     MemInputPin_GetAllocator,
 607     MemInputPin_NotifyAllocator,
 608     MemInputPin_GetAllocatorRequirements,
 609     MemInputPin_Receive,
 610     MemInputPin_ReceiveMultiple,
 611     MemInputPin_ReceiveCanBlock
 612 };