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   1 /*
   2  * Transform Filter (Base for decoders, etc...)
   3  *
   4  * Copyright 2005 Christian Costa
   5  * Copyright 2010 Aric Stewart, CodeWeavers
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21 #include "config.h"
  22 #include <stdarg.h>
  23
  24 #define COBJMACROS
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "dshow.h"
  29 #include "amvideo.h"
  30 #include "strmif.h"
  31 #include "vfw.h"
  32
  33 #include <assert.h>
  34
  35 #include "wine/unicode.h"
  36 #include "wine/debug.h"
  37 #include "wine/strmbase.h"
  38 #include "strmbase_private.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(strmbase);
  41
  42 static const WCHAR wcsInputPinName[] = {'i','n','p','u','t',' ','p','i','n',0};
  43 static const WCHAR wcsOutputPinName[] = {'o','u','t','p','u','t',' ','p','i','n',0};
  44
  45 static const IBaseFilterVtbl TransformFilter_Vtbl;
  46 static const IPinVtbl TransformFilter_InputPin_Vtbl;
  47 static const IPinVtbl TransformFilter_OutputPin_Vtbl;
  48 static const IQualityControlVtbl TransformFilter_QualityControl_Vtbl;
  49
  50 static inline BaseInputPin *impl_BaseInputPin_from_BasePin( BasePin *iface )
  51 {
  52     return CONTAINING_RECORD(iface, BaseInputPin, pin);
  53 }
  54
  55 static inline BasePin *impl_BasePin_from_IPin( IPin *iface )
  56 {
  57     return CONTAINING_RECORD(iface, BasePin, IPin_iface);
  58 }
  59
  60 static inline BaseInputPin *impl_BaseInputPin_from_IPin( IPin *iface )
  61 {
  62     return CONTAINING_RECORD(iface, BaseInputPin, pin.IPin_iface);
  63 }
  64
  65 static inline BaseOutputPin *impl_BaseOutputPin_from_IPin( IPin *iface )
  66 {
  67     return CONTAINING_RECORD(iface, BaseOutputPin, pin.IPin_iface);
  68 }
  69
  70 static inline TransformFilter *impl_from_IBaseFilter( IBaseFilter *iface )
  71 {
  72     return CONTAINING_RECORD(iface, TransformFilter, filter.IBaseFilter_iface);
  73 }
  74
  75 static inline TransformFilter *impl_from_BaseFilter( BaseFilter *iface )
  76 {
  77     return CONTAINING_RECORD(iface, TransformFilter, filter);
  78 }
  79
  80 static HRESULT WINAPI TransformFilter_Input_CheckMediaType(BasePin *iface, const AM_MEDIA_TYPE * pmt)
  81 {
  82     BaseInputPin* This = impl_BaseInputPin_from_BasePin(iface);
  83     TransformFilter * pTransform;
  84
  85     TRACE("%p\n", iface);
  86     pTransform = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
  87
  88     if (pTransform->pFuncsTable->pfnCheckInputType)
  89         return pTransform->pFuncsTable->pfnCheckInputType(pTransform, pmt);
  90     /* Assume OK if there's no query method (the connection will fail if
  91        needed) */
  92     return S_OK;
  93 }
  94
  95 static HRESULT WINAPI TransformFilter_Input_Receive(BaseInputPin *This, IMediaSample *pInSample)
  96 {
  97     HRESULT hr = S_FALSE;
  98     TransformFilter * pTransform;
  99     TRACE("%p\n", This);
 100     pTransform = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
 101
 102     EnterCriticalSection(&pTransform->csReceive);
 103     if (pTransform->filter.state == State_Stopped)
 104     {
 105         LeaveCriticalSection(&pTransform->csReceive);
 106         return VFW_E_WRONG_STATE;
 107     }
 108
 109     if (This->end_of_stream || This->flushing)
 110     {
 111         LeaveCriticalSection(&pTransform->csReceive);
 112         return S_FALSE;
 113     }
 114
 115     LeaveCriticalSection(&pTransform->csReceive);
 116     if (pTransform->pFuncsTable->pfnReceive)
 117         hr = pTransform->pFuncsTable->pfnReceive(pTransform, pInSample);
 118     else
 119         hr = S_FALSE;
 120
 121     return hr;
 122 }
 123
 124 static HRESULT WINAPI TransformFilter_Output_QueryAccept(IPin *iface, const AM_MEDIA_TYPE * pmt)
 125 {
 126     BasePin *This = impl_BasePin_from_IPin(iface);
 127     TransformFilter *pTransformFilter = impl_from_IBaseFilter(This->pinInfo.pFilter);
 128     AM_MEDIA_TYPE* outpmt = &pTransformFilter->pmt;
 129     TRACE("%p\n", iface);
 130
 131     if (IsEqualIID(&pmt->majortype, &outpmt->majortype)
 132         && (IsEqualIID(&pmt->subtype, &outpmt->subtype) || IsEqualIID(&outpmt->subtype, &GUID_NULL)))
 133         return S_OK;
 134     return S_FALSE;
 135 }
 136
 137 static HRESULT WINAPI TransformFilter_Output_DecideBufferSize(BaseOutputPin *This, IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
 138 {
 139     TransformFilter *pTransformFilter = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
 140     return pTransformFilter->pFuncsTable->pfnDecideBufferSize(pTransformFilter, pAlloc, ppropInputRequest);
 141 }
 142
 143 static HRESULT WINAPI TransformFilter_Output_GetMediaType(BasePin *This, int iPosition, AM_MEDIA_TYPE *pmt)
 144 {
 145     TransformFilter *pTransform = impl_from_IBaseFilter(This->pinInfo.pFilter);
 146
 147     if (iPosition < 0)
 148         return E_INVALIDARG;
 149     if (iPosition > 0)
 150         return VFW_S_NO_MORE_ITEMS;
 151     CopyMediaType(pmt, &pTransform->pmt);
 152     return S_OK;
 153 }
 154
 155 static IPin* WINAPI TransformFilter_GetPin(BaseFilter *iface, int pos)
 156 {
 157     TransformFilter *This = impl_from_BaseFilter(iface);
 158
 159     if (pos >= This->npins || pos < 0)
 160         return NULL;
 161
 162     IPin_AddRef(This->ppPins[pos]);
 163     return This->ppPins[pos];
 164 }
 165
 166 static LONG WINAPI TransformFilter_GetPinCount(BaseFilter *iface)
 167 {
 168     TransformFilter *This = impl_from_BaseFilter(iface);
 169
 170     return (This->npins+1);
 171 }
 172
 173 static const BaseFilterFuncTable tfBaseFuncTable = {
 174     TransformFilter_GetPin,
 175     TransformFilter_GetPinCount
 176 };
 177
 178 static const  BasePinFuncTable tf_input_BaseFuncTable = {
 179     TransformFilter_Input_CheckMediaType,
 180     NULL,
 181     BasePinImpl_GetMediaTypeVersion,
 182     BasePinImpl_GetMediaType
 183 };
 184
 185 static const BaseInputPinFuncTable tf_input_BaseInputFuncTable = {
 186     TransformFilter_Input_Receive
 187 };
 188
 189 static const  BasePinFuncTable tf_output_BaseFuncTable = {
 190     NULL,
 191     BaseOutputPinImpl_AttemptConnection,
 192     BasePinImpl_GetMediaTypeVersion,
 193     TransformFilter_Output_GetMediaType
 194 };
 195
 196 static const BaseOutputPinFuncTable tf_output_BaseOutputFuncTable = {
 197     TransformFilter_Output_DecideBufferSize,
 198     BaseOutputPinImpl_DecideAllocator,
 199     BaseOutputPinImpl_BreakConnect
 200 };
 201
 202 static HRESULT TransformFilter_Init(const IBaseFilterVtbl *pVtbl, const CLSID* pClsid, const TransformFilterFuncTable* pFuncsTable, TransformFilter* pTransformFilter)
 203 {
 204     HRESULT hr;
 205     PIN_INFO piInput;
 206     PIN_INFO piOutput;
 207
 208     BaseFilter_Init(&pTransformFilter->filter, pVtbl, pClsid, (DWORD_PTR)(__FILE__ ": TransformFilter.csFilter"), &tfBaseFuncTable);
 209
 210     InitializeCriticalSection(&pTransformFilter->csReceive);
 211     pTransformFilter->csReceive.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__": TransformFilter.csReceive");
 212
 213     /* pTransformFilter is already allocated */
 214     pTransformFilter->pFuncsTable = pFuncsTable;
 215     ZeroMemory(&pTransformFilter->pmt, sizeof(pTransformFilter->pmt));
 216     pTransformFilter->npins = 2;
 217
 218     pTransformFilter->ppPins = CoTaskMemAlloc(2 * sizeof(IPin *));
 219
 220     /* construct input pin */
 221     piInput.dir = PINDIR_INPUT;
 222     piInput.pFilter = &pTransformFilter->filter.IBaseFilter_iface;
 223     lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
 224     piOutput.dir = PINDIR_OUTPUT;
 225     piOutput.pFilter = &pTransformFilter->filter.IBaseFilter_iface;
 226     lstrcpynW(piOutput.achName, wcsOutputPinName, sizeof(piOutput.achName) / sizeof(piOutput.achName[0]));
 227
 228     hr = BaseInputPin_Construct(&TransformFilter_InputPin_Vtbl, &piInput, &tf_input_BaseFuncTable, &tf_input_BaseInputFuncTable, &pTransformFilter->filter.csFilter, NULL, &pTransformFilter->ppPins[0]);
 229
 230     if (SUCCEEDED(hr))
 231     {
 232         hr = BaseOutputPin_Construct(&TransformFilter_OutputPin_Vtbl, sizeof(BaseOutputPin), &piOutput, &tf_output_BaseFuncTable, &tf_output_BaseOutputFuncTable, &pTransformFilter->filter.csFilter, &pTransformFilter->ppPins[1]);
 233
 234         if (FAILED(hr))
 235             ERR("Cannot create output pin (%x)\n", hr);
 236         else {
 237             QualityControlImpl_Create( pTransformFilter->ppPins[0], &pTransformFilter->filter.IBaseFilter_iface, &pTransformFilter->qcimpl);
 238             pTransformFilter->qcimpl->IQualityControl_iface.lpVtbl = &TransformFilter_QualityControl_Vtbl;
 239         }
 240     }
 241     if (FAILED(hr))
 242     {
 243         CoTaskMemFree(pTransformFilter->ppPins);
 244         BaseFilterImpl_Release(&pTransformFilter->filter.IBaseFilter_iface);
 245     }
 246
 247     return hr;
 248 }
 249
 250 HRESULT TransformFilter_Construct(const IBaseFilterVtbl *pVtbl, LONG filter_size, const CLSID* pClsid, const TransformFilterFuncTable* pFuncsTable, IBaseFilter ** ppTransformFilter)
 251 {
 252     TransformFilter* pTf;
 253
 254     *ppTransformFilter = NULL;
 255
 256     assert(filter_size >= sizeof(TransformFilter));
 257
 258     pTf = CoTaskMemAlloc(filter_size);
 259
 260     if (!pTf)
 261         return E_OUTOFMEMORY;
 262
 263     ZeroMemory(pTf, filter_size);
 264
 265     if (SUCCEEDED(TransformFilter_Init(pVtbl, pClsid, pFuncsTable, pTf)))
 266     {
 267         *ppTransformFilter = &pTf->filter.IBaseFilter_iface;
 268         return S_OK;
 269     }
 270
 271     CoTaskMemFree(pTf);
 272     return E_FAIL;
 273 }
 274
 275 HRESULT WINAPI TransformFilterImpl_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
 276 {
 277     HRESULT hr;
 278     TransformFilter *This = impl_from_IBaseFilter(iface);
 279     TRACE("(%p/%p)->(%s, %p)\n", This, iface, debugstr_guid(riid), ppv);
 280
 281     if (IsEqualIID(riid, &IID_IQualityControl))  {
 282         *ppv = (IQualityControl*)This->qcimpl;
 283         IUnknown_AddRef((IUnknown*)*ppv);
 284         return S_OK;
 285     }
 286     hr = BaseFilterImpl_QueryInterface(iface, riid, ppv);
 287
 288     if (FAILED(hr) && !IsEqualIID(riid, &IID_IPin) && !IsEqualIID(riid, &IID_IVideoWindow) &&
 289         !IsEqualIID(riid, &IID_IAMFilterMiscFlags))
 290         FIXME("No interface for %s!\n", debugstr_guid(riid));
 291
 292     return hr;
 293 }
 294
 295 ULONG WINAPI TransformFilterImpl_Release(IBaseFilter * iface)
 296 {
 297     TransformFilter *This = impl_from_IBaseFilter(iface);
 298     ULONG refCount = BaseFilterImpl_Release(iface);
 299
 300     TRACE("(%p/%p)->() Release from %d\n", This, iface, refCount + 1);
 301
 302     if (!refCount)
 303     {
 304         ULONG i;
 305
 306         for (i = 0; i < This->npins; i++)
 307         {
 308             IPin *pConnectedTo;
 309
 310             if (SUCCEEDED(IPin_ConnectedTo(This->ppPins[i], &pConnectedTo)))
 311             {
 312                 IPin_Disconnect(pConnectedTo);
 313                 IPin_Release(pConnectedTo);
 314             }
 315             IPin_Disconnect(This->ppPins[i]);
 316
 317             IPin_Release(This->ppPins[i]);
 318         }
 319
 320         CoTaskMemFree(This->ppPins);
 321
 322         TRACE("Destroying transform filter\n");
 323         This->csReceive.DebugInfo->Spare[0] = 0;
 324         DeleteCriticalSection(&This->csReceive);
 325         FreeMediaType(&This->pmt);
 326         QualityControlImpl_Destroy(This->qcimpl);
 327         CoTaskMemFree(This);
 328
 329         return 0;
 330     }
 331     else
 332         return refCount;
 333 }
 334
 335 /** IMediaFilter methods **/
 336
 337 HRESULT WINAPI TransformFilterImpl_Stop(IBaseFilter * iface)
 338 {
 339     TransformFilter *This = impl_from_IBaseFilter(iface);
 340     HRESULT hr = S_OK;
 341
 342     TRACE("(%p/%p)\n", This, iface);
 343
 344     EnterCriticalSection(&This->csReceive);
 345     {
 346         This->filter.state = State_Stopped;
 347         if (This->pFuncsTable->pfnStopStreaming)
 348             hr = This->pFuncsTable->pfnStopStreaming(This);
 349     }
 350     LeaveCriticalSection(&This->csReceive);
 351
 352     return hr;
 353 }
 354
 355 HRESULT WINAPI TransformFilterImpl_Pause(IBaseFilter * iface)
 356 {
 357     TransformFilter *This = impl_from_IBaseFilter(iface);
 358     HRESULT hr;
 359
 360     TRACE("(%p/%p)->()\n", This, iface);
 361
 362     EnterCriticalSection(&This->csReceive);
 363     {
 364         if (This->filter.state == State_Stopped)
 365             hr = IBaseFilter_Run(iface, -1);
 366         else
 367             hr = S_OK;
 368
 369         if (SUCCEEDED(hr))
 370             This->filter.state = State_Paused;
 371     }
 372     LeaveCriticalSection(&This->csReceive);
 373
 374     return hr;
 375 }
 376
 377 HRESULT WINAPI TransformFilterImpl_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
 378 {
 379     HRESULT hr = S_OK;
 380     TransformFilter *This = impl_from_IBaseFilter(iface);
 381
 382     TRACE("(%p/%p)->(%s)\n", This, iface, wine_dbgstr_longlong(tStart));
 383
 384     EnterCriticalSection(&This->csReceive);
 385     {
 386         if (This->filter.state == State_Stopped)
 387         {
 388             impl_BaseInputPin_from_IPin(This->ppPins[0])->end_of_stream = 0;
 389             if (This->pFuncsTable->pfnStartStreaming)
 390                 hr = This->pFuncsTable->pfnStartStreaming(This);
 391             if (SUCCEEDED(hr))
 392                 hr = BaseOutputPinImpl_Active(impl_BaseOutputPin_from_IPin(This->ppPins[1]));
 393         }
 394
 395         if (SUCCEEDED(hr))
 396         {
 397             This->filter.rtStreamStart = tStart;
 398             This->filter.state = State_Running;
 399         }
 400     }
 401     LeaveCriticalSection(&This->csReceive);
 402
 403     return hr;
 404 }
 405
 406 HRESULT WINAPI TransformFilterImpl_Notify(TransformFilter *iface, IBaseFilter *sender, Quality qm)
 407 {
 408     return QualityControlImpl_Notify((IQualityControl*)iface->qcimpl, sender, qm);
 409 }
 410
 411 /** IBaseFilter implementation **/
 412
 413 HRESULT WINAPI TransformFilterImpl_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
 414 {
 415     TransformFilter *This = impl_from_IBaseFilter(iface);
 416
 417     TRACE("(%p/%p)->(%s,%p)\n", This, iface, debugstr_w(Id), ppPin);
 418
 419     return E_NOTIMPL;
 420 }
 421
 422 static const IBaseFilterVtbl TransformFilter_Vtbl =
 423 {
 424     TransformFilterImpl_QueryInterface,
 425     BaseFilterImpl_AddRef,
 426     TransformFilterImpl_Release,
 427     BaseFilterImpl_GetClassID,
 428     TransformFilterImpl_Stop,
 429     TransformFilterImpl_Pause,
 430     TransformFilterImpl_Run,
 431     BaseFilterImpl_GetState,
 432     BaseFilterImpl_SetSyncSource,
 433     BaseFilterImpl_GetSyncSource,
 434     BaseFilterImpl_EnumPins,
 435     TransformFilterImpl_FindPin,
 436     BaseFilterImpl_QueryFilterInfo,
 437     BaseFilterImpl_JoinFilterGraph,
 438     BaseFilterImpl_QueryVendorInfo
 439 };
 440
 441 static HRESULT WINAPI TransformFilter_InputPin_EndOfStream(IPin * iface)
 442 {
 443     BaseInputPin* This = impl_BaseInputPin_from_IPin(iface);
 444     TransformFilter* pTransform;
 445     IPin* ppin;
 446     HRESULT hr;
 447
 448     TRACE("(%p)->()\n", iface);
 449
 450     /* Since we process samples synchronously, just forward notification downstream */
 451     pTransform = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
 452     if (!pTransform)
 453         hr = E_FAIL;
 454     else
 455         hr = IPin_ConnectedTo(pTransform->ppPins[1], &ppin);
 456     if (SUCCEEDED(hr))
 457     {
 458         hr = IPin_EndOfStream(ppin);
 459         IPin_Release(ppin);
 460     }
 461
 462     if (FAILED(hr))
 463         ERR("%x\n", hr);
 464     return hr;
 465 }
 466
 467 static HRESULT WINAPI TransformFilter_InputPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
 468 {
 469     BaseInputPin* This = impl_BaseInputPin_from_IPin(iface);
 470     TransformFilter* pTransform;
 471     HRESULT hr = S_OK;
 472
 473     TRACE("(%p)->(%p, %p)\n", iface, pReceivePin, pmt);
 474
 475     pTransform = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
 476
 477     if (pTransform->pFuncsTable->pfnSetMediaType)
 478         hr = pTransform->pFuncsTable->pfnSetMediaType(pTransform, PINDIR_INPUT, pmt);
 479
 480     if (SUCCEEDED(hr) && pTransform->pFuncsTable->pfnCompleteConnect)
 481         hr = pTransform->pFuncsTable->pfnCompleteConnect(pTransform, PINDIR_INPUT, pReceivePin);
 482
 483     if (SUCCEEDED(hr))
 484     {
 485         hr = BaseInputPinImpl_ReceiveConnection(iface, pReceivePin, pmt);
 486         if (FAILED(hr) && pTransform->pFuncsTable->pfnBreakConnect)
 487             pTransform->pFuncsTable->pfnBreakConnect(pTransform, PINDIR_INPUT);
 488     }
 489
 490     return hr;
 491 }
 492
 493 static HRESULT WINAPI TransformFilter_InputPin_Disconnect(IPin * iface)
 494 {
 495     BaseInputPin* This = impl_BaseInputPin_from_IPin(iface);
 496     TransformFilter* pTransform;
 497
 498     TRACE("(%p)->()\n", iface);
 499
 500     pTransform = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
 501     if (pTransform->pFuncsTable->pfnBreakConnect)
 502         pTransform->pFuncsTable->pfnBreakConnect(pTransform, PINDIR_INPUT);
 503
 504     return BasePinImpl_Disconnect(iface);
 505 }
 506
 507 static HRESULT WINAPI TransformFilter_InputPin_BeginFlush(IPin * iface)
 508 {
 509     BaseInputPin* This = impl_BaseInputPin_from_IPin(iface);
 510     TransformFilter* pTransform;
 511     HRESULT hr = S_OK;
 512
 513     TRACE("(%p)->()\n", iface);
 514
 515     pTransform = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
 516     EnterCriticalSection(&pTransform->filter.csFilter);
 517     if (pTransform->pFuncsTable->pfnBeginFlush)
 518         hr = pTransform->pFuncsTable->pfnBeginFlush(pTransform);
 519     if (SUCCEEDED(hr))
 520         hr = BaseInputPinImpl_BeginFlush(iface);
 521     LeaveCriticalSection(&pTransform->filter.csFilter);
 522     return hr;
 523 }
 524
 525 static HRESULT WINAPI TransformFilter_InputPin_EndFlush(IPin * iface)
 526 {
 527     BaseInputPin* This = impl_BaseInputPin_from_IPin(iface);
 528     TransformFilter* pTransform;
 529     HRESULT hr = S_OK;
 530
 531     TRACE("(%p)->()\n", iface);
 532
 533     pTransform = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
 534     EnterCriticalSection(&pTransform->filter.csFilter);
 535     if (pTransform->pFuncsTable->pfnEndFlush)
 536         hr = pTransform->pFuncsTable->pfnEndFlush(pTransform);
 537     if (SUCCEEDED(hr))
 538         hr = BaseInputPinImpl_EndFlush(iface);
 539     LeaveCriticalSection(&pTransform->filter.csFilter);
 540     return hr;
 541 }
 542
 543 static HRESULT WINAPI TransformFilter_InputPin_NewSegment(IPin * iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
 544 {
 545     BaseInputPin* This = impl_BaseInputPin_from_IPin(iface);
 546     TransformFilter* pTransform;
 547     HRESULT hr = S_OK;
 548
 549     TRACE("(%p)->()\n", iface);
 550
 551     pTransform = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
 552     EnterCriticalSection(&pTransform->filter.csFilter);
 553     if (pTransform->pFuncsTable->pfnNewSegment)
 554         hr = pTransform->pFuncsTable->pfnNewSegment(pTransform, tStart, tStop, dRate);
 555     if (SUCCEEDED(hr))
 556         hr = BaseInputPinImpl_NewSegment(iface, tStart, tStop, dRate);
 557     LeaveCriticalSection(&pTransform->filter.csFilter);
 558     return hr;
 559 }
 560
 561 static const IPinVtbl TransformFilter_InputPin_Vtbl =
 562 {
 563     BaseInputPinImpl_QueryInterface,
 564     BasePinImpl_AddRef,
 565     BaseInputPinImpl_Release,
 566     BaseInputPinImpl_Connect,
 567     TransformFilter_InputPin_ReceiveConnection,
 568     TransformFilter_InputPin_Disconnect,
 569     BasePinImpl_ConnectedTo,
 570     BasePinImpl_ConnectionMediaType,
 571     BasePinImpl_QueryPinInfo,
 572     BasePinImpl_QueryDirection,
 573     BasePinImpl_QueryId,
 574     BaseInputPinImpl_QueryAccept,
 575     BasePinImpl_EnumMediaTypes,
 576     BasePinImpl_QueryInternalConnections,
 577     TransformFilter_InputPin_EndOfStream,
 578     TransformFilter_InputPin_BeginFlush,
 579     TransformFilter_InputPin_EndFlush,
 580     TransformFilter_InputPin_NewSegment
 581 };
 582
 583 static const IPinVtbl TransformFilter_OutputPin_Vtbl =
 584 {
 585     BaseOutputPinImpl_QueryInterface,
 586     BasePinImpl_AddRef,
 587     BaseOutputPinImpl_Release,
 588     BaseOutputPinImpl_Connect,
 589     BaseOutputPinImpl_ReceiveConnection,
 590     BaseOutputPinImpl_Disconnect,
 591     BasePinImpl_ConnectedTo,
 592     BasePinImpl_ConnectionMediaType,
 593     BasePinImpl_QueryPinInfo,
 594     BasePinImpl_QueryDirection,
 595     BasePinImpl_QueryId,
 596     TransformFilter_Output_QueryAccept,
 597     BasePinImpl_EnumMediaTypes,
 598     BasePinImpl_QueryInternalConnections,
 599     BaseOutputPinImpl_EndOfStream,
 600     BaseOutputPinImpl_BeginFlush,
 601     BaseOutputPinImpl_EndFlush,
 602     BasePinImpl_NewSegment
 603 };
 604
 605 static HRESULT WINAPI TransformFilter_QualityControlImpl_Notify(IQualityControl *iface, IBaseFilter *sender, Quality qm) {
 606     QualityControlImpl *qc = (QualityControlImpl*)iface;
 607     TransformFilter *This = impl_from_IBaseFilter(qc->self);
 608
 609     if (This->pFuncsTable->pfnNotify)
 610         return This->pFuncsTable->pfnNotify(This, sender, qm);
 611     else
 612         return TransformFilterImpl_Notify(This, sender, qm);
 613 }
 614
 615 static const IQualityControlVtbl TransformFilter_QualityControl_Vtbl = {
 616     QualityControlImpl_QueryInterface,
 617     QualityControlImpl_AddRef,
 618     QualityControlImpl_Release,
 619     TransformFilter_QualityControlImpl_Notify,
 620     QualityControlImpl_SetSink
 621 };