dlls/strmbase/transform.c

   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 IPinVtbl TransformFilter_InputPin_Vtbl;
  46 static const IPinVtbl TransformFilter_OutputPin_Vtbl;
  47 static const IQualityControlVtbl TransformFilter_QualityControl_Vtbl;
  48
  49 static inline BaseInputPin *impl_BaseInputPin_from_BasePin( BasePin *iface )
  50 {
  51     return CONTAINING_RECORD(iface, BaseInputPin, pin);
  52 }
  53
  54 static inline BasePin *impl_BasePin_from_IPin( IPin *iface )
  55 {
  56     return CONTAINING_RECORD(iface, BasePin, IPin_iface);
  57 }
  58
  59 static inline BaseInputPin *impl_BaseInputPin_from_IPin( IPin *iface )
  60 {
  61     return CONTAINING_RECORD(iface, BaseInputPin, pin.IPin_iface);
  62 }
  63
  64 static inline BaseOutputPin *impl_BaseOutputPin_from_IPin( IPin *iface )
  65 {
  66     return CONTAINING_RECORD(iface, BaseOutputPin, pin.IPin_iface);
  67 }
  68
  69 static inline TransformFilter *impl_from_IBaseFilter( IBaseFilter *iface )
  70 {
  71     return CONTAINING_RECORD(iface, TransformFilter, filter.IBaseFilter_iface);
  72 }
  73
  74 static inline TransformFilter *impl_from_BaseFilter( BaseFilter *iface )
  75 {
  76     return CONTAINING_RECORD(iface, TransformFilter, filter);
  77 }
  78
  79 static HRESULT WINAPI TransformFilter_Input_CheckMediaType(BasePin *iface, const AM_MEDIA_TYPE * pmt)
  80 {
  81     BaseInputPin* This = impl_BaseInputPin_from_BasePin(iface);
  82     TransformFilter * pTransform;
  83
  84     TRACE("%p\n", iface);
  85     pTransform = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
  86
  87     if (pTransform->pFuncsTable->pfnCheckInputType)
  88         return pTransform->pFuncsTable->pfnCheckInputType(pTransform, pmt);
  89     /* Assume OK if there's no query method (the connection will fail if
  90        needed) */
  91     return S_OK;
  92 }
  93
  94 static HRESULT WINAPI TransformFilter_Input_Receive(BaseInputPin *This, IMediaSample *pInSample)
  95 {
  96     HRESULT hr = S_FALSE;
  97     TransformFilter * pTransform;
  98     TRACE("%p\n", This);
  99     pTransform = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
 100
 101     EnterCriticalSection(&pTransform->csReceive);
 102     if (pTransform->filter.state == State_Stopped)
 103     {
 104         LeaveCriticalSection(&pTransform->csReceive);
 105         return VFW_E_WRONG_STATE;
 106     }
 107
 108     if (This->end_of_stream || This->flushing)
 109     {
 110         LeaveCriticalSection(&pTransform->csReceive);
 111         return S_FALSE;
 112     }
 113
 114     LeaveCriticalSection(&pTransform->csReceive);
 115     if (pTransform->pFuncsTable->pfnReceive)
 116         hr = pTransform->pFuncsTable->pfnReceive(pTransform, pInSample);
 117     else
 118         hr = S_FALSE;
 119
 120     return hr;
 121 }
 122
 123 static HRESULT WINAPI TransformFilter_Output_QueryAccept(IPin *iface, const AM_MEDIA_TYPE * pmt)
 124 {
 125     BasePin *This = impl_BasePin_from_IPin(iface);
 126     TransformFilter *pTransformFilter = impl_from_IBaseFilter(This->pinInfo.pFilter);
 127     AM_MEDIA_TYPE* outpmt = &pTransformFilter->pmt;
 128     TRACE("%p\n", iface);
 129
 130     if (IsEqualIID(&pmt->majortype, &outpmt->majortype)
 131         && (IsEqualIID(&pmt->subtype, &outpmt->subtype) || IsEqualIID(&outpmt->subtype, &GUID_NULL)))
 132         return S_OK;
 133     return S_FALSE;
 134 }
 135
 136 static HRESULT WINAPI TransformFilter_Output_DecideBufferSize(BaseOutputPin *This, IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
 137 {
 138     TransformFilter *pTransformFilter = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
 139     return pTransformFilter->pFuncsTable->pfnDecideBufferSize(pTransformFilter, pAlloc, ppropInputRequest);
 140 }
 141
 142 static HRESULT WINAPI TransformFilter_Output_GetMediaType(BasePin *This, int iPosition, AM_MEDIA_TYPE *pmt)
 143 {
 144     TransformFilter *pTransform = impl_from_IBaseFilter(This->pinInfo.pFilter);
 145
 146     if (iPosition < 0)
 147         return E_INVALIDARG;
 148     if (iPosition > 0)
 149         return VFW_S_NO_MORE_ITEMS;
 150     CopyMediaType(pmt, &pTransform->pmt);
 151     return S_OK;
 152 }
 153
 154 static IPin* WINAPI TransformFilter_GetPin(BaseFilter *iface, int pos)
 155 {
 156     TransformFilter *This = impl_from_BaseFilter(iface);
 157
 158     if (pos >= This->npins || pos < 0)
 159         return NULL;
 160
 161     IPin_AddRef(This->ppPins[pos]);
 162     return This->ppPins[pos];
 163 }
 164
 165 static LONG WINAPI TransformFilter_GetPinCount(BaseFilter *iface)
 166 {
 167     TransformFilter *This = impl_from_BaseFilter(iface);
 168
 169     return (This->npins+1);
 170 }
 171
 172 static const BaseFilterFuncTable tfBaseFuncTable = {
 173     TransformFilter_GetPin,
 174     TransformFilter_GetPinCount
 175 };
 176
 177 static const BaseInputPinFuncTable tf_input_BaseInputFuncTable = {
 178     {
 179         TransformFilter_Input_CheckMediaType,
 180         NULL,
 181         BasePinImpl_GetMediaTypeVersion,
 182         BasePinImpl_GetMediaType
 183     },
 184     TransformFilter_Input_Receive
 185 };
 186
 187 static const BaseOutputPinFuncTable tf_output_BaseOutputFuncTable = {
 188     {
 189         NULL,
 190         BaseOutputPinImpl_AttemptConnection,
 191         BasePinImpl_GetMediaTypeVersion,
 192         TransformFilter_Output_GetMediaType
 193     },
 194     TransformFilter_Output_DecideBufferSize,
 195     BaseOutputPinImpl_DecideAllocator,
 196     BaseOutputPinImpl_BreakConnect
 197 };
 198
 199 static HRESULT TransformFilter_Init(const IBaseFilterVtbl *pVtbl, const CLSID* pClsid, const TransformFilterFuncTable* pFuncsTable, TransformFilter* pTransformFilter)
 200 {
 201     HRESULT hr;
 202     PIN_INFO piInput;
 203     PIN_INFO piOutput;
 204
 205     BaseFilter_Init(&pTransformFilter->filter, pVtbl, pClsid, (DWORD_PTR)(__FILE__ ": TransformFilter.csFilter"), &tfBaseFuncTable);
 206
 207     InitializeCriticalSection(&pTransformFilter->csReceive);
 208     pTransformFilter->csReceive.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__": TransformFilter.csReceive");
 209
 210     /* pTransformFilter is already allocated */
 211     pTransformFilter->pFuncsTable = pFuncsTable;
 212     ZeroMemory(&pTransformFilter->pmt, sizeof(pTransformFilter->pmt));
 213     pTransformFilter->npins = 2;
 214
 215     pTransformFilter->ppPins = CoTaskMemAlloc(2 * sizeof(IPin *));
 216
 217     /* construct input pin */
 218     piInput.dir = PINDIR_INPUT;
 219     piInput.pFilter = &pTransformFilter->filter.IBaseFilter_iface;
 220     lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
 221     piOutput.dir = PINDIR_OUTPUT;
 222     piOutput.pFilter = &pTransformFilter->filter.IBaseFilter_iface;
 223     lstrcpynW(piOutput.achName, wcsOutputPinName, sizeof(piOutput.achName) / sizeof(piOutput.achName[0]));
 224
 225     hr = BaseInputPin_Construct(&TransformFilter_InputPin_Vtbl, sizeof(BaseInputPin), &piInput,
 226             &tf_input_BaseInputFuncTable, &pTransformFilter->filter.csFilter, NULL, &pTransformFilter->ppPins[0]);
 227
 228     if (SUCCEEDED(hr))
 229     {
 230         hr = BaseOutputPin_Construct(&TransformFilter_OutputPin_Vtbl, sizeof(BaseOutputPin), &piOutput, &tf_output_BaseOutputFuncTable, &pTransformFilter->filter.csFilter, &pTransformFilter->ppPins[1]);
 231
 232         if (FAILED(hr))
 233             ERR("Cannot create output pin (%x)\n", hr);
 234         else {
 235             QualityControlImpl_Create( pTransformFilter->ppPins[0], &pTransformFilter->filter.IBaseFilter_iface, &pTransformFilter->qcimpl);
 236             pTransformFilter->qcimpl->IQualityControl_iface.lpVtbl = &TransformFilter_QualityControl_Vtbl;
 237         }
 238     }
 239
 240     if (SUCCEEDED(hr))
 241     {
 242         ISeekingPassThru *passthru;
 243         pTransformFilter->seekthru_unk = NULL;
 244         hr = CoCreateInstance(&CLSID_SeekingPassThru, (IUnknown*)pTransformFilter, CLSCTX_INPROC_SERVER, &IID_IUnknown, (void**)&pTransformFilter->seekthru_unk);
 245         if (SUCCEEDED(hr))
 246         {
 247             IUnknown_QueryInterface(pTransformFilter->seekthru_unk, &IID_ISeekingPassThru, (void**)&passthru);
 248             ISeekingPassThru_Init(passthru, FALSE, pTransformFilter->ppPins[0]);
 249             ISeekingPassThru_Release(passthru);
 250         }
 251     }
 252
 253     if (FAILED(hr))
 254     {
 255         CoTaskMemFree(pTransformFilter->ppPins);
 256         BaseFilterImpl_Release(&pTransformFilter->filter.IBaseFilter_iface);
 257     }
 258
 259     return hr;
 260 }
 261
 262 HRESULT TransformFilter_Construct(const IBaseFilterVtbl *pVtbl, LONG filter_size, const CLSID* pClsid, const TransformFilterFuncTable* pFuncsTable, IBaseFilter ** ppTransformFilter)
 263 {
 264     TransformFilter* pTf;
 265
 266     *ppTransformFilter = NULL;
 267
 268     assert(filter_size >= sizeof(TransformFilter));
 269
 270     pTf = CoTaskMemAlloc(filter_size);
 271
 272     if (!pTf)
 273         return E_OUTOFMEMORY;
 274
 275     ZeroMemory(pTf, filter_size);
 276
 277     if (SUCCEEDED(TransformFilter_Init(pVtbl, pClsid, pFuncsTable, pTf)))
 278     {
 279         *ppTransformFilter = &pTf->filter.IBaseFilter_iface;
 280         return S_OK;
 281     }
 282
 283     CoTaskMemFree(pTf);
 284     return E_FAIL;
 285 }
 286
 287 HRESULT WINAPI TransformFilterImpl_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
 288 {
 289     HRESULT hr;
 290     TransformFilter *This = impl_from_IBaseFilter(iface);
 291     TRACE("(%p/%p)->(%s, %p)\n", This, iface, debugstr_guid(riid), ppv);
 292
 293     if (IsEqualIID(riid, &IID_IQualityControl))  {
 294         *ppv = (IQualityControl*)This->qcimpl;
 295         IUnknown_AddRef((IUnknown*)*ppv);
 296         return S_OK;
 297     }
 298     else if (IsEqualIID(riid, &IID_IMediaSeeking) ||
 299              IsEqualIID(riid, &IID_IMediaPosition))
 300     {
 301         return IUnknown_QueryInterface(This->seekthru_unk, riid, ppv);
 302     }
 303     hr = BaseFilterImpl_QueryInterface(iface, riid, ppv);
 304
 305     if (FAILED(hr) && !IsEqualIID(riid, &IID_IPin) && !IsEqualIID(riid, &IID_IVideoWindow) &&
 306         !IsEqualIID(riid, &IID_IAMFilterMiscFlags))
 307         FIXME("No interface for %s!\n", debugstr_guid(riid));
 308
 309     return hr;
 310 }
 311
 312 ULONG WINAPI TransformFilterImpl_Release(IBaseFilter * iface)
 313 {
 314     TransformFilter *This = impl_from_IBaseFilter(iface);
 315     ULONG refCount = InterlockedDecrement(&This->filter.refCount);
 316
 317     TRACE("(%p/%p)->() Release from %d\n", This, iface, refCount + 1);
 318
 319     if (!refCount)
 320     {
 321         ULONG i;
 322
 323         for (i = 0; i < This->npins; i++)
 324         {
 325             IPin *pConnectedTo;
 326
 327             if (SUCCEEDED(IPin_ConnectedTo(This->ppPins[i], &pConnectedTo)))
 328             {
 329                 IPin_Disconnect(pConnectedTo);
 330                 IPin_Release(pConnectedTo);
 331             }
 332             IPin_Disconnect(This->ppPins[i]);
 333
 334             IPin_Release(This->ppPins[i]);
 335         }
 336
 337         CoTaskMemFree(This->ppPins);
 338
 339         TRACE("Destroying transform filter\n");
 340         This->csReceive.DebugInfo->Spare[0] = 0;
 341         DeleteCriticalSection(&This->csReceive);
 342         FreeMediaType(&This->pmt);
 343         QualityControlImpl_Destroy(This->qcimpl);
 344         IUnknown_Release(This->seekthru_unk);
 345         BaseFilter_Destroy(&This->filter);
 346         CoTaskMemFree(This);
 347
 348         return 0;
 349     }
 350     else
 351         return refCount;
 352 }
 353
 354 /** IMediaFilter methods **/
 355
 356 HRESULT WINAPI TransformFilterImpl_Stop(IBaseFilter * iface)
 357 {
 358     TransformFilter *This = impl_from_IBaseFilter(iface);
 359     HRESULT hr = S_OK;
 360
 361     TRACE("(%p/%p)\n", This, iface);
 362
 363     EnterCriticalSection(&This->csReceive);
 364     {
 365         This->filter.state = State_Stopped;
 366         if (This->pFuncsTable->pfnStopStreaming)
 367             hr = This->pFuncsTable->pfnStopStreaming(This);
 368     }
 369     LeaveCriticalSection(&This->csReceive);
 370
 371     return hr;
 372 }
 373
 374 HRESULT WINAPI TransformFilterImpl_Pause(IBaseFilter * iface)
 375 {
 376     TransformFilter *This = impl_from_IBaseFilter(iface);
 377     HRESULT hr;
 378
 379     TRACE("(%p/%p)->()\n", This, iface);
 380
 381     EnterCriticalSection(&This->csReceive);
 382     {
 383         if (This->filter.state == State_Stopped)
 384             hr = IBaseFilter_Run(iface, -1);
 385         else
 386             hr = S_OK;
 387
 388         if (SUCCEEDED(hr))
 389             This->filter.state = State_Paused;
 390     }
 391     LeaveCriticalSection(&This->csReceive);
 392
 393     return hr;
 394 }
 395
 396 HRESULT WINAPI TransformFilterImpl_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
 397 {
 398     HRESULT hr = S_OK;
 399     TransformFilter *This = impl_from_IBaseFilter(iface);
 400
 401     TRACE("(%p/%p)->(%s)\n", This, iface, wine_dbgstr_longlong(tStart));
 402
 403     EnterCriticalSection(&This->csReceive);
 404     {
 405         if (This->filter.state == State_Stopped)
 406         {
 407             impl_BaseInputPin_from_IPin(This->ppPins[0])->end_of_stream = FALSE;
 408             if (This->pFuncsTable->pfnStartStreaming)
 409                 hr = This->pFuncsTable->pfnStartStreaming(This);
 410             if (SUCCEEDED(hr))
 411                 hr = BaseOutputPinImpl_Active(impl_BaseOutputPin_from_IPin(This->ppPins[1]));
 412         }
 413
 414         if (SUCCEEDED(hr))
 415         {
 416             This->filter.rtStreamStart = tStart;
 417             This->filter.state = State_Running;
 418         }
 419     }
 420     LeaveCriticalSection(&This->csReceive);
 421
 422     return hr;
 423 }
 424
 425 HRESULT WINAPI TransformFilterImpl_Notify(TransformFilter *iface, IBaseFilter *sender, Quality qm)
 426 {
 427     return QualityControlImpl_Notify((IQualityControl*)iface->qcimpl, sender, qm);
 428 }
 429
 430 /** IBaseFilter implementation **/
 431
 432 HRESULT WINAPI TransformFilterImpl_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
 433 {
 434     TransformFilter *This = impl_from_IBaseFilter(iface);
 435
 436     TRACE("(%p/%p)->(%s,%p)\n", This, iface, debugstr_w(Id), ppPin);
 437
 438     return E_NOTIMPL;
 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 };