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 IPinVtbl TransformFilter_OutputPin_Vtbl;
  49
  50 static HRESULT WINAPI TransformFilter_Input_CheckMediaType(IPin *iface, const AM_MEDIA_TYPE * pmt)
  51 {
  52     TransformFilterImpl* This = (TransformFilterImpl *)((BasePin *)iface)->pinInfo.pFilter;
  53     TRACE("%p\n", iface);
  54     dump_AM_MEDIA_TYPE(pmt);
  55
  56     if (This->pFuncsTable->pfnQueryConnect)
  57         return This->pFuncsTable->pfnQueryConnect(This, pmt);
  58     /* Assume OK if there's no query method (the connection will fail if
  59        needed) */
  60     return S_OK;
  61 }
  62
  63
  64 static HRESULT WINAPI TransformFilter_Output_QueryAccept(IPin *iface, const AM_MEDIA_TYPE * pmt)
  65 {
  66     BasePin *This = (BasePin *)iface;
  67     TransformFilterImpl *pTransformFilter = (TransformFilterImpl *)This->pinInfo.pFilter;
  68     AM_MEDIA_TYPE* outpmt = &pTransformFilter->pmt;
  69     TRACE("%p\n", iface);
  70
  71     if (IsEqualIID(&pmt->majortype, &outpmt->majortype)
  72         && (IsEqualIID(&pmt->subtype, &outpmt->subtype) || IsEqualIID(&outpmt->subtype, &GUID_NULL)))
  73         return S_OK;
  74     return S_FALSE;
  75 }
  76
  77 HRESULT TransformFilter_Create(TransformFilterImpl* pTransformFilter, const CLSID* pClsid, const TransformFuncsTable* pFuncsTable)
  78 {
  79     HRESULT hr;
  80     PIN_INFO piInput;
  81     PIN_INFO piOutput;
  82
  83     /* pTransformFilter is already allocated */
  84     pTransformFilter->clsid = *pClsid;
  85     pTransformFilter->pFuncsTable = pFuncsTable;
  86
  87     pTransformFilter->lpVtbl = &TransformFilter_Vtbl;
  88
  89     pTransformFilter->refCount = 1;
  90     InitializeCriticalSection(&pTransformFilter->csFilter);
  91     pTransformFilter->csFilter.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": TransformFilterImpl.csFilter");
  92     pTransformFilter->state = State_Stopped;
  93     pTransformFilter->pClock = NULL;
  94     ZeroMemory(&pTransformFilter->filterInfo, sizeof(FILTER_INFO));
  95     ZeroMemory(&pTransformFilter->pmt, sizeof(pTransformFilter->pmt));
  96     pTransformFilter->npins = 2;
  97
  98     pTransformFilter->ppPins = CoTaskMemAlloc(2 * sizeof(IPin *));
  99
 100     /* construct input pin */
 101     piInput.dir = PINDIR_INPUT;
 102     piInput.pFilter = (IBaseFilter *)pTransformFilter;
 103     lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
 104     piOutput.dir = PINDIR_OUTPUT;
 105     piOutput.pFilter = (IBaseFilter *)pTransformFilter;
 106     lstrcpynW(piOutput.achName, wcsOutputPinName, sizeof(piOutput.achName) / sizeof(piOutput.achName[0]));
 107
 108     hr = BaseInputPin_Construct(&TransformFilter_InputPin_Vtbl, &piInput, TransformFilter_Input_CheckMediaType, pFuncsTable->pfnProcessSampleData, &pTransformFilter->csFilter, NULL, &pTransformFilter->ppPins[0]);
 109
 110     if (SUCCEEDED(hr))
 111     {
 112         ALLOCATOR_PROPERTIES props;
 113         props.cbAlign = 1;
 114         props.cbPrefix = 0;
 115         props.cbBuffer = 0; /* Will be updated at connection time */
 116         props.cBuffers = 1;
 117
 118         hr = BaseOutputPin_Construct(&TransformFilter_OutputPin_Vtbl, sizeof(BaseOutputPin), &piOutput, &props, NULL, &pTransformFilter->csFilter, &pTransformFilter->ppPins[1]);
 119
 120         if (FAILED(hr))
 121             ERR("Cannot create output pin (%x)\n", hr);
 122         else
 123         {
 124             ISeekingPassThru *passthru;
 125             hr = CoCreateInstance(&CLSID_SeekingPassThru, (IUnknown*)pTransformFilter, CLSCTX_INPROC_SERVER, &IID_IUnknown, (void**)&pTransformFilter->seekthru_unk);
 126             IUnknown_QueryInterface(pTransformFilter->seekthru_unk, &IID_ISeekingPassThru, (void**)&passthru);
 127             ISeekingPassThru_Init(passthru, FALSE, (IPin*)pTransformFilter->ppPins[0]);
 128             ISeekingPassThru_Release(passthru);
 129         }
 130     }
 131     if (FAILED(hr))
 132     {
 133         CoTaskMemFree(pTransformFilter->ppPins);
 134         pTransformFilter->csFilter.DebugInfo->Spare[0] = 0;
 135         DeleteCriticalSection(&pTransformFilter->csFilter);
 136         CoTaskMemFree(pTransformFilter);
 137     }
 138
 139     return hr;
 140 }
 141
 142 static HRESULT WINAPI TransformFilter_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
 143 {
 144     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 145     TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
 146
 147     *ppv = NULL;
 148
 149     if (IsEqualIID(riid, &IID_IUnknown))
 150         *ppv = This;
 151     else if (IsEqualIID(riid, &IID_IPersist))
 152         *ppv = This;
 153     else if (IsEqualIID(riid, &IID_IMediaFilter))
 154         *ppv = This;
 155     else if (IsEqualIID(riid, &IID_IBaseFilter))
 156         *ppv = This;
 157     else if (IsEqualIID(riid, &IID_IMediaSeeking))
 158         return IUnknown_QueryInterface(This->seekthru_unk, riid, ppv);
 159
 160     if (*ppv)
 161     {
 162         IUnknown_AddRef((IUnknown *)(*ppv));
 163         return S_OK;
 164     }
 165
 166     if (!IsEqualIID(riid, &IID_IPin) && !IsEqualIID(riid, &IID_IVideoWindow))
 167         FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 168
 169     return E_NOINTERFACE;
 170 }
 171
 172 static ULONG WINAPI TransformFilter_AddRef(IBaseFilter * iface)
 173 {
 174     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 175     ULONG refCount = InterlockedIncrement(&This->refCount);
 176
 177     TRACE("(%p/%p)->() AddRef from %d\n", This, iface, refCount - 1);
 178
 179     return refCount;
 180 }
 181
 182 static ULONG WINAPI TransformFilter_Release(IBaseFilter * iface)
 183 {
 184     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 185     ULONG refCount = InterlockedDecrement(&This->refCount);
 186
 187     TRACE("(%p/%p)->() Release from %d\n", This, iface, refCount + 1);
 188
 189     if (!refCount)
 190     {
 191         ULONG i;
 192
 193         if (This->pClock)
 194             IReferenceClock_Release(This->pClock);
 195
 196         for (i = 0; i < This->npins; i++)
 197         {
 198             IPin *pConnectedTo;
 199
 200             if (SUCCEEDED(IPin_ConnectedTo(This->ppPins[i], &pConnectedTo)))
 201             {
 202                 IPin_Disconnect(pConnectedTo);
 203                 IPin_Release(pConnectedTo);
 204             }
 205             IPin_Disconnect(This->ppPins[i]);
 206
 207             IPin_Release(This->ppPins[i]);
 208         }
 209
 210         CoTaskMemFree(This->ppPins);
 211         This->lpVtbl = NULL;
 212
 213         This->csFilter.DebugInfo->Spare[0] = 0;
 214         DeleteCriticalSection(&This->csFilter);
 215
 216         TRACE("Destroying transform filter\n");
 217         FreeMediaType(&This->pmt);
 218         CoTaskMemFree(This);
 219
 220         return 0;
 221     }
 222     else
 223         return refCount;
 224 }
 225
 226 /** IPersist methods **/
 227
 228 static HRESULT WINAPI TransformFilter_GetClassID(IBaseFilter * iface, CLSID * pClsid)
 229 {
 230     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 231
 232     TRACE("(%p/%p)->(%p)\n", This, iface, pClsid);
 233
 234     *pClsid = This->clsid;
 235
 236     return S_OK;
 237 }
 238
 239 /** IMediaFilter methods **/
 240
 241 static HRESULT WINAPI TransformFilter_Stop(IBaseFilter * iface)
 242 {
 243     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 244     HRESULT hr = S_OK;
 245
 246     TRACE("(%p/%p)\n", This, iface);
 247
 248     EnterCriticalSection(&This->csFilter);
 249     {
 250         This->state = State_Stopped;
 251         if (This->pFuncsTable->pfnProcessEnd)
 252             hr = This->pFuncsTable->pfnProcessEnd(This);
 253     }
 254     LeaveCriticalSection(&This->csFilter);
 255
 256     return hr;
 257 }
 258
 259 static HRESULT WINAPI TransformFilter_Pause(IBaseFilter * iface)
 260 {
 261     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 262     HRESULT hr;
 263
 264     TRACE("(%p/%p)->()\n", This, iface);
 265
 266     EnterCriticalSection(&This->csFilter);
 267     {
 268         if (This->state == State_Stopped)
 269             hr = IBaseFilter_Run(iface, -1);
 270         else
 271             hr = S_OK;
 272
 273         if (SUCCEEDED(hr))
 274             This->state = State_Paused;
 275     }
 276     LeaveCriticalSection(&This->csFilter);
 277
 278     return hr;
 279 }
 280
 281 static HRESULT WINAPI TransformFilter_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
 282 {
 283     HRESULT hr = S_OK;
 284     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 285
 286     TRACE("(%p/%p)->(%s)\n", This, iface, wine_dbgstr_longlong(tStart));
 287
 288     EnterCriticalSection(&This->csFilter);
 289     {
 290         if (This->state == State_Stopped)
 291         {
 292             ((BaseInputPin *)This->ppPins[0])->end_of_stream = 0;
 293             if (This->pFuncsTable->pfnProcessBegin)
 294                 hr = This->pFuncsTable->pfnProcessBegin(This);
 295             if (SUCCEEDED(hr))
 296                 hr = BaseOutputPinImpl_Active((BaseOutputPin *)This->ppPins[1]);
 297         }
 298
 299         if (SUCCEEDED(hr))
 300         {
 301             This->rtStreamStart = tStart;
 302             This->state = State_Running;
 303         }
 304     }
 305     LeaveCriticalSection(&This->csFilter);
 306
 307     return hr;
 308 }
 309
 310 static HRESULT WINAPI TransformFilter_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
 311 {
 312     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 313
 314     TRACE("(%p/%p)->(%d, %p)\n", This, iface, dwMilliSecsTimeout, pState);
 315
 316     EnterCriticalSection(&This->csFilter);
 317     {
 318         *pState = This->state;
 319     }
 320     LeaveCriticalSection(&This->csFilter);
 321
 322     return S_OK;
 323 }
 324
 325 static HRESULT WINAPI TransformFilter_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
 326 {
 327     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 328
 329     TRACE("(%p/%p)->(%p)\n", This, iface, pClock);
 330
 331     EnterCriticalSection(&This->csFilter);
 332     {
 333         if (This->pClock)
 334             IReferenceClock_Release(This->pClock);
 335         This->pClock = pClock;
 336         if (This->pClock)
 337             IReferenceClock_AddRef(This->pClock);
 338     }
 339     LeaveCriticalSection(&This->csFilter);
 340
 341     return S_OK;
 342 }
 343
 344 static HRESULT WINAPI TransformFilter_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
 345 {
 346     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 347
 348     TRACE("(%p/%p)->(%p)\n", This, iface, ppClock);
 349
 350     EnterCriticalSection(&This->csFilter);
 351     {
 352         *ppClock = This->pClock;
 353         if (This->pClock)
 354             IReferenceClock_AddRef(This->pClock);
 355     }
 356     LeaveCriticalSection(&This->csFilter);
 357
 358     return S_OK;
 359 }
 360
 361 /** IBaseFilter implementation **/
 362
 363 static IPin* WINAPI TransformFilter_GetPin(IBaseFilter *iface, int pos)
 364 {
 365     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 366
 367     if (pos >= This->npins || pos < 0)
 368         return NULL;
 369
 370     IPin_AddRef(This->ppPins[pos]);
 371     return This->ppPins[pos];
 372 }
 373
 374 static LONG WINAPI TransformFilter_GetPinCount(IBaseFilter *iface)
 375 {
 376     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 377
 378     return (This->npins+1);
 379 }
 380
 381 static LONG WINAPI TransformFilter_GetPinVersion(IBaseFilter *iface)
 382 {
 383     /* Our pins are static, not changing so setting static tick count is ok */
 384     return 0;
 385 }
 386
 387 static HRESULT WINAPI TransformFilter_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
 388 {
 389     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 390
 391     TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
 392
 393     return EnumPins_Construct(iface, TransformFilter_GetPin, TransformFilter_GetPinCount, TransformFilter_GetPinVersion, ppEnum);
 394 }
 395
 396 static HRESULT WINAPI TransformFilter_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
 397 {
 398     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 399
 400     TRACE("(%p/%p)->(%p,%p)\n", This, iface, debugstr_w(Id), ppPin);
 401
 402     return E_NOTIMPL;
 403 }
 404
 405 static HRESULT WINAPI TransformFilter_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
 406 {
 407     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 408
 409     TRACE("(%p/%p)->(%p)\n", This, iface, pInfo);
 410
 411     strcpyW(pInfo->achName, This->filterInfo.achName);
 412     pInfo->pGraph = This->filterInfo.pGraph;
 413
 414     if (pInfo->pGraph)
 415         IFilterGraph_AddRef(pInfo->pGraph);
 416
 417     return S_OK;
 418 }
 419
 420 static HRESULT WINAPI TransformFilter_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
 421 {
 422     HRESULT hr = S_OK;
 423     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 424
 425     TRACE("(%p/%p)->(%p, %s)\n", This, iface, pGraph, debugstr_w(pName));
 426
 427     EnterCriticalSection(&This->csFilter);
 428     {
 429         if (pName)
 430             strcpyW(This->filterInfo.achName, pName);
 431         else
 432             *This->filterInfo.achName = '\0';
 433         This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
 434     }
 435     LeaveCriticalSection(&This->csFilter);
 436
 437     return hr;
 438 }
 439
 440 static HRESULT WINAPI TransformFilter_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
 441 {
 442     TransformFilterImpl *This = (TransformFilterImpl *)iface;
 443     TRACE("(%p/%p)->(%p)\n", This, iface, pVendorInfo);
 444     return E_NOTIMPL;
 445 }
 446
 447 static const IBaseFilterVtbl TransformFilter_Vtbl =
 448 {
 449     TransformFilter_QueryInterface,
 450     TransformFilter_AddRef,
 451     TransformFilter_Release,
 452     TransformFilter_GetClassID,
 453     TransformFilter_Stop,
 454     TransformFilter_Pause,
 455     TransformFilter_Run,
 456     TransformFilter_GetState,
 457     TransformFilter_SetSyncSource,
 458     TransformFilter_GetSyncSource,
 459     TransformFilter_EnumPins,
 460     TransformFilter_FindPin,
 461     TransformFilter_QueryFilterInfo,
 462     TransformFilter_JoinFilterGraph,
 463     TransformFilter_QueryVendorInfo
 464 };
 465
 466 static HRESULT WINAPI TransformFilter_InputPin_EndOfStream(IPin * iface)
 467 {
 468     BaseInputPin* This = (BaseInputPin*) iface;
 469     TransformFilterImpl* pTransform;
 470     IPin* ppin;
 471     HRESULT hr;
 472
 473     TRACE("(%p)->()\n", iface);
 474
 475     /* Since we process samples synchronously, just forward notification downstream */
 476     pTransform = (TransformFilterImpl*)This->pin.pinInfo.pFilter;
 477     if (!pTransform)
 478         hr = E_FAIL;
 479     else
 480         hr = IPin_ConnectedTo(pTransform->ppPins[1], &ppin);
 481     if (SUCCEEDED(hr))
 482     {
 483         hr = IPin_EndOfStream(ppin);
 484         IPin_Release(ppin);
 485     }
 486
 487     if (FAILED(hr))
 488         ERR("%x\n", hr);
 489     return hr;
 490 }
 491
 492 static HRESULT WINAPI TransformFilter_InputPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
 493 {
 494     BaseInputPin* This = (BaseInputPin*) iface;
 495     TransformFilterImpl* pTransform;
 496     HRESULT hr;
 497
 498     TRACE("(%p)->(%p, %p)\n", iface, pReceivePin, pmt);
 499
 500     pTransform = (TransformFilterImpl*)This->pin.pinInfo.pFilter;
 501
 502     hr = pTransform->pFuncsTable->pfnConnectInput(This, pmt);
 503     if (SUCCEEDED(hr))
 504     {
 505         hr = BaseInputPinImpl_ReceiveConnection(iface, pReceivePin, pmt);
 506         if (FAILED(hr))
 507             pTransform->pFuncsTable->pfnCleanup(This);
 508     }
 509
 510     return hr;
 511 }
 512
 513 static HRESULT WINAPI TransformFilter_InputPin_Disconnect(IPin * iface)
 514 {
 515     BaseInputPin* This = (BaseInputPin*) iface;
 516     TransformFilterImpl* pTransform;
 517
 518     TRACE("(%p)->()\n", iface);
 519
 520     pTransform = (TransformFilterImpl*)This->pin.pinInfo.pFilter;
 521     pTransform->pFuncsTable->pfnCleanup(This);
 522
 523     return BasePinImpl_Disconnect(iface);
 524 }
 525
 526 static HRESULT WINAPI TransformFilter_InputPin_BeginFlush(IPin * iface)
 527 {
 528     BaseInputPin* This = (BaseInputPin*) iface;
 529     TransformFilterImpl* pTransform;
 530     HRESULT hr = S_OK;
 531
 532     TRACE("(%p)->()\n", iface);
 533
 534     pTransform = (TransformFilterImpl*)This->pin.pinInfo.pFilter;
 535     EnterCriticalSection(&pTransform->csFilter);
 536     if (pTransform->pFuncsTable->pfnBeginFlush)
 537         hr = pTransform->pFuncsTable->pfnBeginFlush(This);
 538     if (SUCCEEDED(hr))
 539         hr = BaseInputPinImpl_BeginFlush(iface);
 540     LeaveCriticalSection(&pTransform->csFilter);
 541     return hr;
 542 }
 543
 544 static HRESULT WINAPI TransformFilter_InputPin_EndFlush(IPin * iface)
 545 {
 546     BaseInputPin* This = (BaseInputPin*) iface;
 547     TransformFilterImpl* pTransform;
 548     HRESULT hr = S_OK;
 549
 550     TRACE("(%p)->()\n", iface);
 551
 552     pTransform = (TransformFilterImpl*)This->pin.pinInfo.pFilter;
 553     EnterCriticalSection(&pTransform->csFilter);
 554     if (pTransform->pFuncsTable->pfnEndFlush)
 555         hr = pTransform->pFuncsTable->pfnEndFlush(This);
 556     if (SUCCEEDED(hr))
 557         hr = BaseInputPinImpl_EndFlush(iface);
 558     LeaveCriticalSection(&pTransform->csFilter);
 559     return hr;
 560 }
 561
 562 static HRESULT WINAPI TransformFilter_InputPin_NewSegment(IPin * iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
 563 {
 564     BaseInputPin* This = (BaseInputPin*) iface;
 565     TransformFilterImpl* pTransform;
 566     HRESULT hr = S_OK;
 567
 568     TRACE("(%p)->()\n", iface);
 569
 570     pTransform = (TransformFilterImpl*)This->pin.pinInfo.pFilter;
 571     EnterCriticalSection(&pTransform->csFilter);
 572     if (pTransform->pFuncsTable->pfnNewSegment)
 573         hr = pTransform->pFuncsTable->pfnNewSegment(This, tStart, tStop, dRate);
 574     if (SUCCEEDED(hr))
 575         hr = BaseInputPinImpl_NewSegment(iface, tStart, tStop, dRate);
 576     LeaveCriticalSection(&pTransform->csFilter);
 577     return hr;
 578 }
 579
 580 static const IPinVtbl TransformFilter_InputPin_Vtbl =
 581 {
 582     BaseInputPinImpl_QueryInterface,
 583     BasePinImpl_AddRef,
 584     BaseInputPinImpl_Release,
 585     BaseInputPinImpl_Connect,
 586     TransformFilter_InputPin_ReceiveConnection,
 587     TransformFilter_InputPin_Disconnect,
 588     BasePinImpl_ConnectedTo,
 589     BasePinImpl_ConnectionMediaType,
 590     BasePinImpl_QueryPinInfo,
 591     BasePinImpl_QueryDirection,
 592     BasePinImpl_QueryId,
 593     BaseInputPinImpl_QueryAccept,
 594     BasePinImpl_EnumMediaTypes,
 595     BasePinImpl_QueryInternalConnections,
 596     TransformFilter_InputPin_EndOfStream,
 597     TransformFilter_InputPin_BeginFlush,
 598     TransformFilter_InputPin_EndFlush,
 599     TransformFilter_InputPin_NewSegment
 600 };
 601
 602 static HRESULT WINAPI TransformFilter_Output_GetMediaType(IPin *iface, int iPosition, AM_MEDIA_TYPE *pmt)
 603 {
 604     BasePin *This = (BasePin *)iface;
 605     TransformFilterImpl *pTransform = (TransformFilterImpl *)This->pinInfo.pFilter;
 606
 607     if (iPosition < 0)
 608         return E_INVALIDARG;
 609     if (iPosition > 0)
 610         return VFW_S_NO_MORE_ITEMS;
 611     CopyMediaType(pmt, &pTransform->pmt);
 612     return S_OK;
 613 }
 614
 615 static HRESULT WINAPI TransformFilter_Output_EnumMediaTypes(IPin * iface, IEnumMediaTypes ** ppEnum)
 616 {
 617     BasePin *This = (BasePin *)iface;
 618     TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
 619
 620     return EnumMediaTypes_Construct(iface, TransformFilter_Output_GetMediaType, BasePinImpl_GetMediaTypeVersion, ppEnum);
 621 }
 622
 623 static const IPinVtbl TransformFilter_OutputPin_Vtbl =
 624 {
 625     BaseOutputPinImpl_QueryInterface,
 626     BasePinImpl_AddRef,
 627     BaseOutputPinImpl_Release,
 628     BaseOutputPinImpl_Connect,
 629     BaseOutputPinImpl_ReceiveConnection,
 630     BaseOutputPinImpl_Disconnect,
 631     BasePinImpl_ConnectedTo,
 632     BasePinImpl_ConnectionMediaType,
 633     BasePinImpl_QueryPinInfo,
 634     BasePinImpl_QueryDirection,
 635     BasePinImpl_QueryId,
 636     TransformFilter_Output_QueryAccept,
 637     TransformFilter_Output_EnumMediaTypes,
 638     BasePinImpl_QueryInternalConnections,
 639     BaseOutputPinImpl_EndOfStream,
 640     BaseOutputPinImpl_BeginFlush,
 641     BaseOutputPinImpl_EndFlush,
 642     BaseOutputPinImpl_NewSegment
 643 };