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_Input_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
  52 {
  53     TransformFilterImpl* This = (TransformFilterImpl*)iface;
  54     TRACE("%p\n", iface);
  55     dump_AM_MEDIA_TYPE(pmt);
  56
  57     if (This->pFuncsTable->pfnQueryConnect)
  58         return This->pFuncsTable->pfnQueryConnect(This, pmt);
  59     /* Assume OK if there's no query method (the connection will fail if
  60        needed) */
  61     return S_OK;
  62 }
  63
  64
  65 static HRESULT TransformFilter_Output_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
  66 {
  67     TransformFilterImpl* pTransformFilter = (TransformFilterImpl*)iface;
  68     AM_MEDIA_TYPE* outpmt = &((OutputPin*)pTransformFilter->ppPins[1])->pin.mtCurrent;
  69     TRACE("%p\n", iface);
  70
  71     if (IsEqualIID(&pmt->majortype, &outpmt->majortype) && IsEqualIID(&pmt->subtype, &outpmt->subtype))
  72         return S_OK;
  73     return S_FALSE;
  74 }
  75
  76
  77 static inline TransformFilterImpl *impl_from_IMediaSeeking( IMediaSeeking *iface )
  78 {
  79     return (TransformFilterImpl *)((char*)iface - FIELD_OFFSET(TransformFilterImpl, mediaSeeking.lpVtbl));
  80 }
  81
  82 static HRESULT WINAPI TransformFilter_Seeking_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
  83 {
  84     TransformFilterImpl *This = impl_from_IMediaSeeking(iface);
  85
  86     return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
  87 }
  88
  89 static ULONG WINAPI TransformFilter_Seeking_AddRef(IMediaSeeking * iface)
  90 {
  91     TransformFilterImpl *This = impl_from_IMediaSeeking(iface);
  92
  93     return IUnknown_AddRef((IUnknown *)This);
  94 }
  95
  96 static ULONG WINAPI TransformFilter_Seeking_Release(IMediaSeeking * iface)
  97 {
  98     TransformFilterImpl *This = impl_from_IMediaSeeking(iface);
  99
 100     return IUnknown_Release((IUnknown *)This);
 101 }
 102
 103 static const IMediaSeekingVtbl TransformFilter_Seeking_Vtbl =
 104 {
 105     TransformFilter_Seeking_QueryInterface,
 106     TransformFilter_Seeking_AddRef,
 107     TransformFilter_Seeking_Release,
 108     MediaSeekingImpl_GetCapabilities,
 109     MediaSeekingImpl_CheckCapabilities,
 110     MediaSeekingImpl_IsFormatSupported,
 111     MediaSeekingImpl_QueryPreferredFormat,
 112     MediaSeekingImpl_GetTimeFormat,
 113     MediaSeekingImpl_IsUsingTimeFormat,
 114     MediaSeekingImpl_SetTimeFormat,
 115     MediaSeekingImpl_GetDuration,
 116     MediaSeekingImpl_GetStopPosition,
 117     MediaSeekingImpl_GetCurrentPosition,
 118     MediaSeekingImpl_ConvertTimeFormat,
 119     MediaSeekingImpl_SetPositions,
 120     MediaSeekingImpl_GetPositions,
 121     MediaSeekingImpl_GetAvailable,
 122     MediaSeekingImpl_SetRate,
 123     MediaSeekingImpl_GetRate,
 124     MediaSeekingImpl_GetPreroll
 125 };
 126
 127 /* These shouldn't be implemented by default.
 128  * Usually only source filters should implement these
 129  * and even it's not needed all of the time
 130  */
 131 static HRESULT TransformFilter_ChangeCurrent(IBaseFilter *iface)
 132 {
 133     TRACE("(%p) filter hasn't implemented current position change!\n", iface);
 134     return S_OK;
 135 }
 136
 137 static HRESULT TransformFilter_ChangeStop(IBaseFilter *iface)
 138 {
 139     TRACE("(%p) filter hasn't implemented stop position change!\n", iface);
 140     return S_OK;
 141 }
 142
 143 static HRESULT TransformFilter_ChangeRate(IBaseFilter *iface)
 144 {
 145     TRACE("(%p) filter hasn't implemented rate change!\n", iface);
 146     return S_OK;
 147 }
 148
 149 HRESULT TransformFilter_Create(TransformFilterImpl* pTransformFilter, const CLSID* pClsid, const TransformFuncsTable* pFuncsTable, CHANGEPROC stop, CHANGEPROC current, CHANGEPROC rate)
 150 {
 151     HRESULT hr;
 152     PIN_INFO piInput;
 153     PIN_INFO piOutput;
 154
 155     /* pTransformFilter is already allocated */
 156     pTransformFilter->clsid = *pClsid;
 157     pTransformFilter->pFuncsTable = pFuncsTable;
 158
 159     pTransformFilter->lpVtbl = &TransformFilter_Vtbl;
 160
 161     pTransformFilter->refCount = 1;
 162     InitializeCriticalSection(&pTransformFilter->csFilter);
 163     pTransformFilter->csFilter.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": TransformFilterImpl.csFilter");
 164     pTransformFilter->state = State_Stopped;
 165     pTransformFilter->pClock = NULL;
 166     ZeroMemory(&pTransformFilter->filterInfo, sizeof(FILTER_INFO));
 167
 168     pTransformFilter->ppPins = CoTaskMemAlloc(2 * sizeof(IPin *));
 169
 170     /* construct input pin */
 171     piInput.dir = PINDIR_INPUT;
 172     piInput.pFilter = (IBaseFilter *)pTransformFilter;
 173     lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
 174     piOutput.dir = PINDIR_OUTPUT;
 175     piOutput.pFilter = (IBaseFilter *)pTransformFilter;
 176     lstrcpynW(piOutput.achName, wcsOutputPinName, sizeof(piOutput.achName) / sizeof(piOutput.achName[0]));
 177
 178     hr = InputPin_Construct(&TransformFilter_InputPin_Vtbl, &piInput, (SAMPLEPROC_PUSH)pFuncsTable->pfnProcessSampleData, pTransformFilter, TransformFilter_Input_QueryAccept, NULL, &pTransformFilter->csFilter, NULL, &pTransformFilter->ppPins[0]);
 179
 180     if (SUCCEEDED(hr))
 181     {
 182         ALLOCATOR_PROPERTIES props;
 183         props.cbAlign = 1;
 184         props.cbPrefix = 0;
 185         props.cbBuffer = 0; /* Will be updated at connection time */
 186         props.cBuffers = 2;
 187
 188         hr = OutputPin_Construct(&TransformFilter_OutputPin_Vtbl, sizeof(OutputPin), &piOutput, &props, pTransformFilter, TransformFilter_Output_QueryAccept, &pTransformFilter->csFilter, &pTransformFilter->ppPins[1]);
 189
 190         if (FAILED(hr))
 191             ERR("Cannot create output pin (%x)\n", hr);
 192         else
 193         {
 194             if (!stop)
 195                 stop = TransformFilter_ChangeStop;
 196             if (!current)
 197                 current = TransformFilter_ChangeCurrent;
 198             if (!rate)
 199                 rate = TransformFilter_ChangeRate;
 200
 201             MediaSeekingImpl_Init((IBaseFilter*)pTransformFilter, stop, current, rate, &pTransformFilter->mediaSeeking, &pTransformFilter->csFilter);
 202             pTransformFilter->mediaSeeking.lpVtbl = &TransformFilter_Seeking_Vtbl;
 203         }
 204     }
 205     else
 206     {
 207         CoTaskMemFree(pTransformFilter->ppPins);
 208         pTransformFilter->csFilter.DebugInfo->Spare[0] = 0;
 209         DeleteCriticalSection(&pTransformFilter->csFilter);
 210         CoTaskMemFree(pTransformFilter);
 211     }
 212
 213     return hr;
 214 }
 215
 216 static HRESULT WINAPI TransformFilter_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
 217 {
 218     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 219     TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
 220
 221     *ppv = NULL;
 222
 223     if (IsEqualIID(riid, &IID_IUnknown))
 224         *ppv = (LPVOID)This;
 225     else if (IsEqualIID(riid, &IID_IPersist))
 226         *ppv = (LPVOID)This;
 227     else if (IsEqualIID(riid, &IID_IMediaFilter))
 228         *ppv = (LPVOID)This;
 229     else if (IsEqualIID(riid, &IID_IBaseFilter))
 230         *ppv = (LPVOID)This;
 231     else if (IsEqualIID(riid, &IID_IMediaSeeking))
 232         *ppv = &This->mediaSeeking;
 233
 234     if (*ppv)
 235     {
 236         IUnknown_AddRef((IUnknown *)(*ppv));
 237         return S_OK;
 238     }
 239
 240     if (!IsEqualIID(riid, &IID_IPin) && !IsEqualIID(riid, &IID_IVideoWindow))
 241         FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 242
 243     return E_NOINTERFACE;
 244 }
 245
 246 static ULONG WINAPI TransformFilter_AddRef(IBaseFilter * iface)
 247 {
 248     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 249     ULONG refCount = InterlockedIncrement(&This->refCount);
 250
 251     TRACE("(%p/%p)->() AddRef from %d\n", This, iface, refCount - 1);
 252
 253     return refCount;
 254 }
 255
 256 static ULONG WINAPI TransformFilter_Release(IBaseFilter * iface)
 257 {
 258     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 259     ULONG refCount = InterlockedDecrement(&This->refCount);
 260
 261     TRACE("(%p/%p)->() Release from %d\n", This, iface, refCount + 1);
 262
 263     if (!refCount)
 264     {
 265         ULONG i;
 266
 267         if (This->pClock)
 268             IReferenceClock_Release(This->pClock);
 269
 270         for (i = 0; i < 2; i++)
 271         {
 272             IPin *pConnectedTo;
 273
 274             if (SUCCEEDED(IPin_ConnectedTo(This->ppPins[i], &pConnectedTo)))
 275             {
 276                 IPin_Disconnect(pConnectedTo);
 277                 IPin_Release(pConnectedTo);
 278             }
 279             IPin_Disconnect(This->ppPins[i]);
 280
 281             IPin_Release(This->ppPins[i]);
 282         }
 283
 284         CoTaskMemFree(This->ppPins);
 285         This->lpVtbl = NULL;
 286
 287         This->csFilter.DebugInfo->Spare[0] = 0;
 288         DeleteCriticalSection(&This->csFilter);
 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         if (This->state == State_Stopped)
 340             ((InputPin *)This->ppPins[0])->end_of_stream = 0;
 341
 342         This->state = State_Paused;
 343     }
 344     LeaveCriticalSection(&This->csFilter);
 345
 346     return S_OK;
 347 }
 348
 349 static HRESULT WINAPI TransformFilter_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
 350 {
 351     HRESULT hr = S_OK;
 352     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 353
 354     TRACE("(%p/%p)->(%s)\n", This, iface, wine_dbgstr_longlong(tStart));
 355
 356     EnterCriticalSection(&This->csFilter);
 357     {
 358         if (This->state == State_Stopped)
 359         {
 360             ((InputPin *)This->ppPins[0])->end_of_stream = 0;
 361             if (This->pFuncsTable->pfnProcessBegin)
 362                 This->pFuncsTable->pfnProcessBegin(This);
 363             OutputPin_CommitAllocator((OutputPin *)This->ppPins[1]);
 364         }
 365
 366         This->rtStreamStart = tStart;
 367         This->state = State_Running;
 368     }
 369     LeaveCriticalSection(&This->csFilter);
 370
 371     return hr;
 372 }
 373
 374 static HRESULT WINAPI TransformFilter_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
 375 {
 376     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 377
 378     TRACE("(%p/%p)->(%d, %p)\n", This, iface, dwMilliSecsTimeout, pState);
 379
 380     EnterCriticalSection(&This->csFilter);
 381     {
 382         *pState = This->state;
 383     }
 384     LeaveCriticalSection(&This->csFilter);
 385
 386     return S_OK;
 387 }
 388
 389 static HRESULT WINAPI TransformFilter_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
 390 {
 391     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 392
 393     TRACE("(%p/%p)->(%p)\n", This, iface, pClock);
 394
 395     EnterCriticalSection(&This->csFilter);
 396     {
 397         if (This->pClock)
 398             IReferenceClock_Release(This->pClock);
 399         This->pClock = pClock;
 400         if (This->pClock)
 401             IReferenceClock_AddRef(This->pClock);
 402     }
 403     LeaveCriticalSection(&This->csFilter);
 404
 405     return S_OK;
 406 }
 407
 408 static HRESULT WINAPI TransformFilter_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
 409 {
 410     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 411
 412     TRACE("(%p/%p)->(%p)\n", This, iface, ppClock);
 413
 414     EnterCriticalSection(&This->csFilter);
 415     {
 416         *ppClock = This->pClock;
 417         if (This->pClock)
 418             IReferenceClock_AddRef(This->pClock);
 419     }
 420     LeaveCriticalSection(&This->csFilter);
 421
 422     return S_OK;
 423 }
 424
 425 /** IBaseFilter implementation **/
 426
 427 static HRESULT TransformFilter_GetPin(IBaseFilter *iface, ULONG pos, IPin **pin, DWORD *lastsynctick)
 428 {
 429     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 430
 431     /* Our pins are static, not changing so setting static tick count is ok */
 432     *lastsynctick = 0;
 433
 434     if (pos >= 2)
 435         return S_FALSE;
 436
 437     *pin = This->ppPins[pos];
 438     IPin_AddRef(*pin);
 439     return S_OK;
 440 }
 441
 442 static HRESULT WINAPI TransformFilter_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
 443 {
 444     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 445
 446     TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
 447
 448     return IEnumPinsImpl_Construct(ppEnum, TransformFilter_GetPin, iface);
 449 }
 450
 451 static HRESULT WINAPI TransformFilter_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
 452 {
 453     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 454
 455     TRACE("(%p/%p)->(%p,%p)\n", This, iface, debugstr_w(Id), ppPin);
 456
 457     return E_NOTIMPL;
 458 }
 459
 460 static HRESULT WINAPI TransformFilter_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
 461 {
 462     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 463
 464     TRACE("(%p/%p)->(%p)\n", This, iface, pInfo);
 465
 466     strcpyW(pInfo->achName, This->filterInfo.achName);
 467     pInfo->pGraph = This->filterInfo.pGraph;
 468
 469     if (pInfo->pGraph)
 470         IFilterGraph_AddRef(pInfo->pGraph);
 471
 472     return S_OK;
 473 }
 474
 475 static HRESULT WINAPI TransformFilter_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
 476 {
 477     HRESULT hr = S_OK;
 478     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 479
 480     TRACE("(%p/%p)->(%p, %s)\n", This, iface, pGraph, debugstr_w(pName));
 481
 482     EnterCriticalSection(&This->csFilter);
 483     {
 484         if (pName)
 485             strcpyW(This->filterInfo.achName, pName);
 486         else
 487             *This->filterInfo.achName = '\0';
 488         This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
 489     }
 490     LeaveCriticalSection(&This->csFilter);
 491
 492     return hr;
 493 }
 494
 495 static HRESULT WINAPI TransformFilter_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
 496 {
 497     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 498     TRACE("(%p/%p)->(%p)\n", This, iface, pVendorInfo);
 499     return E_NOTIMPL;
 500 }
 501
 502 static const IBaseFilterVtbl TransformFilter_Vtbl =
 503 {
 504     TransformFilter_QueryInterface,
 505     TransformFilter_AddRef,
 506     TransformFilter_Release,
 507     TransformFilter_GetClassID,
 508     TransformFilter_Stop,
 509     TransformFilter_Pause,
 510     TransformFilter_Run,
 511     TransformFilter_GetState,
 512     TransformFilter_SetSyncSource,
 513     TransformFilter_GetSyncSource,
 514     TransformFilter_EnumPins,
 515     TransformFilter_FindPin,
 516     TransformFilter_QueryFilterInfo,
 517     TransformFilter_JoinFilterGraph,
 518     TransformFilter_QueryVendorInfo
 519 };
 520
 521 static HRESULT WINAPI TransformFilter_InputPin_EndOfStream(IPin * iface)
 522 {
 523     InputPin* This = (InputPin*) iface;
 524     TransformFilterImpl* pTransform;
 525     IPin* ppin;
 526     HRESULT hr;
 527
 528     TRACE("(%p)->()\n", iface);
 529
 530     /* Since we process samples synchronously, just forward notification downstream */
 531     pTransform = (TransformFilterImpl*)This->pin.pinInfo.pFilter;
 532     if (!pTransform)
 533         hr = E_FAIL;
 534     else
 535         hr = IPin_ConnectedTo(pTransform->ppPins[1], &ppin);
 536     if (SUCCEEDED(hr))
 537     {
 538         hr = IPin_EndOfStream(ppin);
 539         IPin_Release(ppin);
 540     }
 541
 542     if (FAILED(hr))
 543         ERR("%x\n", hr);
 544     return hr;
 545 }
 546
 547 static HRESULT WINAPI TransformFilter_InputPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
 548 {
 549     InputPin* This = (InputPin*) iface;
 550     TransformFilterImpl* pTransform;
 551     HRESULT hr;
 552
 553     TRACE("(%p)->(%p, %p)\n", iface, pReceivePin, pmt);
 554
 555     pTransform = (TransformFilterImpl*)This->pin.pinInfo.pFilter;
 556
 557     hr = pTransform->pFuncsTable->pfnConnectInput(pTransform, pmt);
 558     if (SUCCEEDED(hr))
 559     {
 560         hr = InputPin_ReceiveConnection(iface, pReceivePin, pmt);
 561         if (FAILED(hr))
 562             pTransform->pFuncsTable->pfnCleanup(pTransform);
 563     }
 564
 565     return hr;
 566 }
 567
 568 static HRESULT WINAPI TransformFilter_InputPin_Disconnect(IPin * iface)
 569 {
 570     InputPin* This = (InputPin*) iface;
 571     TransformFilterImpl* pTransform;
 572
 573     TRACE("(%p)->()\n", iface);
 574
 575     pTransform = (TransformFilterImpl*)This->pin.pinInfo.pFilter;
 576     pTransform->pFuncsTable->pfnCleanup(pTransform);
 577
 578     return IPinImpl_Disconnect(iface);
 579 }
 580
 581 static const IPinVtbl TransformFilter_InputPin_Vtbl =
 582 {
 583     InputPin_QueryInterface,
 584     IPinImpl_AddRef,
 585     InputPin_Release,
 586     InputPin_Connect,
 587     TransformFilter_InputPin_ReceiveConnection,
 588     TransformFilter_InputPin_Disconnect,
 589     IPinImpl_ConnectedTo,
 590     IPinImpl_ConnectionMediaType,
 591     IPinImpl_QueryPinInfo,
 592     IPinImpl_QueryDirection,
 593     IPinImpl_QueryId,
 594     IPinImpl_QueryAccept,
 595     IPinImpl_EnumMediaTypes,
 596     IPinImpl_QueryInternalConnections,
 597     TransformFilter_InputPin_EndOfStream,
 598     InputPin_BeginFlush,
 599     InputPin_EndFlush,
 600     InputPin_NewSegment
 601 };
 602
 603 static HRESULT WINAPI TransformFilter_Output_EnumMediaTypes(IPin * iface, IEnumMediaTypes ** ppEnum)
 604 {
 605     IPinImpl *This = (IPinImpl *)iface;
 606     ENUMMEDIADETAILS emd;
 607
 608     TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
 609
 610     emd.cMediaTypes = 1;
 611     emd.pMediaTypes = &This->mtCurrent;
 612
 613     return IEnumMediaTypesImpl_Construct(&emd, ppEnum);
 614 }
 615
 616 static const IPinVtbl TransformFilter_OutputPin_Vtbl =
 617 {
 618     OutputPin_QueryInterface,
 619     IPinImpl_AddRef,
 620     OutputPin_Release,
 621     OutputPin_Connect,
 622     OutputPin_ReceiveConnection,
 623     OutputPin_Disconnect,
 624     IPinImpl_ConnectedTo,
 625     IPinImpl_ConnectionMediaType,
 626     IPinImpl_QueryPinInfo,
 627     IPinImpl_QueryDirection,
 628     IPinImpl_QueryId,
 629     IPinImpl_QueryAccept,
 630     TransformFilter_Output_EnumMediaTypes,
 631     IPinImpl_QueryInternalConnections,
 632     OutputPin_EndOfStream,
 633     OutputPin_BeginFlush,
 634     OutputPin_EndFlush,
 635     OutputPin_NewSegment
 636 };
 637
 638 static const IMemInputPinVtbl MemInputPin_Vtbl =
 639 {
 640     MemInputPin_QueryInterface,
 641     MemInputPin_AddRef,
 642     MemInputPin_Release,
 643     MemInputPin_GetAllocator,
 644     MemInputPin_NotifyAllocator,
 645     MemInputPin_GetAllocatorRequirements,
 646     MemInputPin_Receive,
 647     MemInputPin_ReceiveMultiple,
 648     MemInputPin_ReceiveCanBlock
 649 };