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