2 * Parser (Base for parsers and splitters)
4 * Copyright 2003 Robert Shearman
5 * Copyright 2004-2005 Christian Costa
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.
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.
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
22 #include "quartz_private.h"
28 #include "wine/unicode.h"
29 #include "wine/debug.h"
36 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
38 static const WCHAR wcsInputPinName[] = {'i','n','p','u','t',' ','p','i','n',0};
39 static const IMediaSeekingVtbl Parser_Seeking_Vtbl;
40 static const IPinVtbl Parser_OutputPin_Vtbl;
41 static const IPinVtbl Parser_InputPin_Vtbl;
43 static HRESULT WINAPI Parser_ChangeStart(IMediaSeeking *iface);
44 static HRESULT WINAPI Parser_ChangeStop(IMediaSeeking *iface);
45 static HRESULT WINAPI Parser_ChangeRate(IMediaSeeking *iface);
46 static HRESULT WINAPI Parser_OutputPin_DecideBufferSize(BaseOutputPin *iface, IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest);
47 static HRESULT WINAPI Parser_OutputPin_GetMediaType(BasePin *iface, int iPosition, AM_MEDIA_TYPE *pmt);
48 static HRESULT WINAPI Parser_OutputPin_DecideAllocator(BaseOutputPin *This, IMemInputPin *pPin, IMemAllocator **pAlloc);
49 static HRESULT WINAPI Parser_OutputPin_BreakConnect(BaseOutputPin *This);
51 static inline ParserImpl *impl_from_IMediaSeeking( IMediaSeeking *iface )
53 return CONTAINING_RECORD(iface, ParserImpl, sourceSeeking.IMediaSeeking_iface);
57 static IPin* WINAPI Parser_GetPin(BaseFilter *iface, int pos)
59 ParserImpl *This = (ParserImpl *)iface;
61 TRACE("Asking for pos %x\n", pos);
63 /* Input pin also has a pin, hence the > and not >= */
64 if (pos > This->cStreams || pos < 0)
67 IPin_AddRef(This->ppPins[pos]);
68 return This->ppPins[pos];
71 static LONG WINAPI Parser_GetPinCount(BaseFilter *iface)
73 ParserImpl *This = (ParserImpl *)iface;
75 return This->cStreams;
78 static const BaseFilterFuncTable BaseFuncTable = {
83 HRESULT Parser_Create(ParserImpl* pParser, const IBaseFilterVtbl *Parser_Vtbl, const CLSID* pClsid, PFN_PROCESS_SAMPLE fnProcessSample, PFN_QUERY_ACCEPT fnQueryAccept, PFN_PRE_CONNECT fnPreConnect, PFN_CLEANUP fnCleanup, PFN_DISCONNECT fnDisconnect, REQUESTPROC fnRequest, STOPPROCESSPROC fnDone, SourceSeeking_ChangeStop stop, SourceSeeking_ChangeStart start, SourceSeeking_ChangeRate rate)
88 /* pTransformFilter is already allocated */
89 BaseFilter_Init(&pParser->filter, Parser_Vtbl, pClsid, (DWORD_PTR)(__FILE__ ": ParserImpl.csFilter"), &BaseFuncTable);
91 pParser->fnDisconnect = fnDisconnect;
93 pParser->cStreams = 0;
94 pParser->ppPins = CoTaskMemAlloc(1 * sizeof(IPin *));
96 /* construct input pin */
97 piInput.dir = PINDIR_INPUT;
98 piInput.pFilter = (IBaseFilter *)pParser;
99 lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
102 start = Parser_ChangeStart;
105 stop = Parser_ChangeStop;
108 rate = Parser_ChangeRate;
110 SourceSeeking_Init(&pParser->sourceSeeking, &Parser_Seeking_Vtbl, stop, start, rate, &pParser->filter.csFilter);
112 hr = PullPin_Construct(&Parser_InputPin_Vtbl, &piInput, fnProcessSample, (LPVOID)pParser, fnQueryAccept, fnCleanup, fnRequest, fnDone, &pParser->filter.csFilter, (IPin **)&pParser->pInputPin);
116 pParser->ppPins[0] = &pParser->pInputPin->pin.IPin_iface;
117 pParser->pInputPin->fnPreConnect = fnPreConnect;
121 CoTaskMemFree(pParser->ppPins);
122 BaseFilterImpl_Release((IBaseFilter*)pParser);
123 CoTaskMemFree(pParser);
129 HRESULT WINAPI Parser_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
131 ParserImpl *This = (ParserImpl *)iface;
132 TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
136 if ( IsEqualIID(riid, &IID_IUnknown)
137 || IsEqualIID(riid, &IID_IPersist)
138 || IsEqualIID(riid, &IID_IMediaFilter)
139 || IsEqualIID(riid, &IID_IBaseFilter) )
144 IUnknown_AddRef((IUnknown *)(*ppv));
148 if (!IsEqualIID(riid, &IID_IPin) && !IsEqualIID(riid, &IID_IVideoWindow))
149 FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
151 return E_NOINTERFACE;
154 ULONG WINAPI Parser_AddRef(IBaseFilter * iface)
156 return BaseFilterImpl_AddRef(iface);
159 void Parser_Destroy(ParserImpl *This)
161 IPin *connected = NULL;
164 assert(!This->filter.refCount);
165 PullPin_WaitForStateChange(This->pInputPin, INFINITE);
167 /* Don't need to clean up output pins, freeing input pin will do that */
168 IPin_ConnectedTo(&This->pInputPin->pin.IPin_iface, &connected);
171 assert(IPin_Disconnect(connected) == S_OK);
172 IPin_Release(connected);
173 assert(IPin_Disconnect(&This->pInputPin->pin.IPin_iface) == S_OK);
175 pinref = IPin_Release(&This->pInputPin->pin.IPin_iface);
178 /* Valgrind could find this, if I kill it here */
179 ERR("pinref should be null, is %u, destroying anyway\n", pinref);
180 assert((LONG)pinref > 0);
183 pinref = IPin_Release(&This->pInputPin->pin.IPin_iface);
186 CoTaskMemFree(This->ppPins);
188 TRACE("Destroying parser\n");
192 ULONG WINAPI Parser_Release(IBaseFilter * iface)
194 ParserImpl *This = (ParserImpl *)iface;
195 ULONG refCount = BaseFilterImpl_Release(iface);
197 TRACE("(%p)->() Release from %d\n", This, refCount + 1);
200 Parser_Destroy(This);
205 /** IPersist methods **/
207 HRESULT WINAPI Parser_GetClassID(IBaseFilter * iface, CLSID * pClsid)
209 ParserImpl *This = (ParserImpl *)iface;
211 TRACE("(%p)\n", pClsid);
213 *pClsid = This->filter.clsid;
218 /** IMediaFilter methods **/
220 HRESULT WINAPI Parser_Stop(IBaseFilter * iface)
222 ParserImpl *This = (ParserImpl *)iface;
223 PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
228 EnterCriticalSection(&pin->thread_lock);
230 IAsyncReader_BeginFlush(This->pInputPin->pReader);
231 EnterCriticalSection(&This->filter.csFilter);
233 if (This->filter.state == State_Stopped)
235 LeaveCriticalSection(&This->filter.csFilter);
236 IAsyncReader_EndFlush(This->pInputPin->pReader);
237 LeaveCriticalSection(&pin->thread_lock);
241 This->filter.state = State_Stopped;
243 for (i = 1; i < (This->cStreams + 1); i++)
245 BaseOutputPinImpl_Inactive((BaseOutputPin *)This->ppPins[i]);
248 LeaveCriticalSection(&This->filter.csFilter);
250 PullPin_PauseProcessing(This->pInputPin);
251 PullPin_WaitForStateChange(This->pInputPin, INFINITE);
252 IAsyncReader_EndFlush(This->pInputPin->pReader);
254 LeaveCriticalSection(&pin->thread_lock);
258 HRESULT WINAPI Parser_Pause(IBaseFilter * iface)
261 ParserImpl *This = (ParserImpl *)iface;
262 PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
266 EnterCriticalSection(&pin->thread_lock);
267 EnterCriticalSection(&This->filter.csFilter);
269 if (This->filter.state == State_Paused)
271 LeaveCriticalSection(&This->filter.csFilter);
272 LeaveCriticalSection(&pin->thread_lock);
276 if (This->filter.state == State_Stopped)
278 LeaveCriticalSection(&This->filter.csFilter);
279 hr = IBaseFilter_Run(iface, -1);
280 EnterCriticalSection(&This->filter.csFilter);
284 This->filter.state = State_Paused;
286 LeaveCriticalSection(&This->filter.csFilter);
287 LeaveCriticalSection(&pin->thread_lock);
292 HRESULT WINAPI Parser_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
295 ParserImpl *This = (ParserImpl *)iface;
296 PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
300 TRACE("(%s)\n", wine_dbgstr_longlong(tStart));
302 EnterCriticalSection(&pin->thread_lock);
303 EnterCriticalSection(&This->filter.csFilter);
305 HRESULT hr_any = VFW_E_NOT_CONNECTED;
307 This->filter.rtStreamStart = tStart;
308 if (This->filter.state == State_Running || This->filter.state == State_Paused)
310 This->filter.state = State_Running;
311 LeaveCriticalSection(&This->filter.csFilter);
312 LeaveCriticalSection(&pin->thread_lock);
316 for (i = 1; i < (This->cStreams + 1); i++)
318 hr = BaseOutputPinImpl_Active((BaseOutputPin *)This->ppPins[i]);
326 LeaveCriticalSection(&This->filter.csFilter);
327 hr = PullPin_StartProcessing(This->pInputPin);
328 EnterCriticalSection(&This->filter.csFilter);
332 This->filter.state = State_Running;
334 LeaveCriticalSection(&This->filter.csFilter);
335 LeaveCriticalSection(&pin->thread_lock);
340 HRESULT WINAPI Parser_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
342 ParserImpl *This = (ParserImpl *)iface;
343 PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
346 TRACE("(%d, %p)\n", dwMilliSecsTimeout, pState);
348 EnterCriticalSection(&pin->thread_lock);
349 EnterCriticalSection(&This->filter.csFilter);
351 *pState = This->filter.state;
353 LeaveCriticalSection(&This->filter.csFilter);
355 if (This->pInputPin && (PullPin_WaitForStateChange(This->pInputPin, dwMilliSecsTimeout) == S_FALSE))
356 hr = VFW_S_STATE_INTERMEDIATE;
357 LeaveCriticalSection(&pin->thread_lock);
362 HRESULT WINAPI Parser_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
364 ParserImpl *This = (ParserImpl *)iface;
365 PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
367 TRACE("(%p)\n", pClock);
369 EnterCriticalSection(&pin->thread_lock);
370 BaseFilterImpl_SetSyncSource(iface,pClock);
371 LeaveCriticalSection(&pin->thread_lock);
376 HRESULT WINAPI Parser_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
378 return BaseFilterImpl_GetSyncSource(iface, ppClock);
381 /** IBaseFilter implementation **/
383 HRESULT WINAPI Parser_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
385 return BaseFilterImpl_EnumPins(iface,ppEnum);
388 HRESULT WINAPI Parser_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
390 FIXME("(%p)->(%s,%p)\n", iface, debugstr_w(Id), ppPin);
392 /* FIXME: critical section */
397 HRESULT WINAPI Parser_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
399 return BaseFilterImpl_QueryFilterInfo(iface, pInfo);
402 HRESULT WINAPI Parser_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
404 return BaseFilterImpl_JoinFilterGraph(iface, pGraph, pName);
407 HRESULT WINAPI Parser_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
409 return BaseFilterImpl_QueryVendorInfo(iface, pVendorInfo);
412 static const BasePinFuncTable output_BaseFuncTable = {
414 BaseOutputPinImpl_AttemptConnection,
415 BasePinImpl_GetMediaTypeVersion,
416 Parser_OutputPin_GetMediaType
419 static const BaseOutputPinFuncTable output_BaseOutputFuncTable = {
420 Parser_OutputPin_DecideBufferSize,
421 Parser_OutputPin_DecideAllocator,
422 Parser_OutputPin_BreakConnect
425 HRESULT Parser_AddPin(ParserImpl * This, const PIN_INFO * piOutput, ALLOCATOR_PROPERTIES * props, const AM_MEDIA_TYPE * amt)
430 ppOldPins = This->ppPins;
432 This->ppPins = CoTaskMemAlloc((This->cStreams + 2) * sizeof(IPin *));
433 memcpy(This->ppPins, ppOldPins, (This->cStreams + 1) * sizeof(IPin *));
435 hr = BaseOutputPin_Construct(&Parser_OutputPin_Vtbl, sizeof(Parser_OutputPin), piOutput, &output_BaseFuncTable, &output_BaseOutputFuncTable, &This->filter.csFilter, This->ppPins + (This->cStreams + 1));
439 IPin *pPin = This->ppPins[This->cStreams + 1];
440 Parser_OutputPin *pin = (Parser_OutputPin *)pPin;
441 pin->pmt = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
442 CopyMediaType(pin->pmt, amt);
443 pin->dwSamplesProcessed = 0;
445 pin->pin.pin.pinInfo.pFilter = (LPVOID)This;
446 pin->allocProps = *props;
448 BaseFilterImpl_IncrementPinVersion((BaseFilter*)This);
449 CoTaskMemFree(ppOldPins);
453 CoTaskMemFree(This->ppPins);
454 This->ppPins = ppOldPins;
455 ERR("Failed with error %x\n", hr);
461 static HRESULT Parser_RemoveOutputPins(ParserImpl * This)
463 /* NOTE: should be in critical section when calling this function */
466 IPin ** ppOldPins = This->ppPins;
468 TRACE("(%p)\n", This);
470 /* reduce the pin array down to 1 (just our input pin) */
471 This->ppPins = CoTaskMemAlloc(sizeof(IPin *) * 1);
472 memcpy(This->ppPins, ppOldPins, sizeof(IPin *) * 1);
474 for (i = 0; i < This->cStreams; i++)
476 hr = ((BaseOutputPin *)ppOldPins[i + 1])->pFuncsTable->pfnBreakConnect((BaseOutputPin *)ppOldPins[i + 1]);
477 TRACE("Disconnect: %08x\n", hr);
478 IPin_Release(ppOldPins[i + 1]);
481 BaseFilterImpl_IncrementPinVersion((BaseFilter*)This);
483 CoTaskMemFree(ppOldPins);
488 static HRESULT WINAPI Parser_ChangeStart(IMediaSeeking *iface)
490 FIXME("(%p) filter hasn't implemented start position change!\n", iface);
494 static HRESULT WINAPI Parser_ChangeStop(IMediaSeeking *iface)
496 FIXME("(%p) filter hasn't implemented stop position change!\n", iface);
500 static HRESULT WINAPI Parser_ChangeRate(IMediaSeeking *iface)
502 FIXME("(%p) filter hasn't implemented rate change!\n", iface);
507 static HRESULT WINAPI Parser_Seeking_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
509 ParserImpl *This = impl_from_IMediaSeeking(iface);
511 return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
514 static ULONG WINAPI Parser_Seeking_AddRef(IMediaSeeking * iface)
516 ParserImpl *This = impl_from_IMediaSeeking(iface);
518 return IUnknown_AddRef((IUnknown *)This);
521 static ULONG WINAPI Parser_Seeking_Release(IMediaSeeking * iface)
523 ParserImpl *This = impl_from_IMediaSeeking(iface);
525 return IUnknown_Release((IUnknown *)This);
528 static const IMediaSeekingVtbl Parser_Seeking_Vtbl =
530 Parser_Seeking_QueryInterface,
531 Parser_Seeking_AddRef,
532 Parser_Seeking_Release,
533 SourceSeekingImpl_GetCapabilities,
534 SourceSeekingImpl_CheckCapabilities,
535 SourceSeekingImpl_IsFormatSupported,
536 SourceSeekingImpl_QueryPreferredFormat,
537 SourceSeekingImpl_GetTimeFormat,
538 SourceSeekingImpl_IsUsingTimeFormat,
539 SourceSeekingImpl_SetTimeFormat,
540 SourceSeekingImpl_GetDuration,
541 SourceSeekingImpl_GetStopPosition,
542 SourceSeekingImpl_GetCurrentPosition,
543 SourceSeekingImpl_ConvertTimeFormat,
544 SourceSeekingImpl_SetPositions,
545 SourceSeekingImpl_GetPositions,
546 SourceSeekingImpl_GetAvailable,
547 SourceSeekingImpl_SetRate,
548 SourceSeekingImpl_GetRate,
549 SourceSeekingImpl_GetPreroll
552 static HRESULT WINAPI Parser_OutputPin_DecideBufferSize(BaseOutputPin *iface, IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
554 Parser_OutputPin *This = (Parser_OutputPin *)iface;
555 ALLOCATOR_PROPERTIES actual;
557 if (ppropInputRequest->cbAlign && ppropInputRequest->cbAlign != This->allocProps.cbAlign)
558 FIXME("Requested Buffer cbAlign mismatch %i,%i\n",This->allocProps.cbAlign, ppropInputRequest->cbAlign);
559 if (ppropInputRequest->cbPrefix)
560 FIXME("Requested Buffer cbPrefix mismatch %i,%i\n",This->allocProps.cbPrefix, ppropInputRequest->cbPrefix);
561 if (ppropInputRequest->cbBuffer)
562 FIXME("Requested Buffer cbBuffer mismatch %i,%i\n",This->allocProps.cbBuffer, ppropInputRequest->cbBuffer);
563 if (ppropInputRequest->cBuffers)
564 FIXME("Requested Buffer cBuffers mismatch %i,%i\n",This->allocProps.cBuffers, ppropInputRequest->cBuffers);
566 return IMemAllocator_SetProperties(pAlloc, &This->allocProps, &actual);
569 static HRESULT WINAPI Parser_OutputPin_GetMediaType(BasePin *iface, int iPosition, AM_MEDIA_TYPE *pmt)
571 Parser_OutputPin *This = (Parser_OutputPin *)iface;
575 return VFW_S_NO_MORE_ITEMS;
576 CopyMediaType(pmt, This->pmt);
580 static HRESULT WINAPI Parser_OutputPin_DecideAllocator(BaseOutputPin *iface, IMemInputPin *pPin, IMemAllocator **pAlloc)
582 Parser_OutputPin *This = (Parser_OutputPin *)iface;
588 hr = IMemInputPin_NotifyAllocator(pPin, This->alloc, This->readonly);
590 hr = VFW_E_NO_ALLOCATOR;
595 static HRESULT WINAPI Parser_OutputPin_BreakConnect(BaseOutputPin *This)
599 TRACE("(%p)->()\n", This);
601 EnterCriticalSection(This->pin.pCritSec);
602 if (!This->pin.pConnectedTo || !This->pMemInputPin)
603 hr = VFW_E_NOT_CONNECTED;
606 hr = IPin_Disconnect(This->pin.pConnectedTo);
607 IPin_Disconnect((IPin *)This);
609 LeaveCriticalSection(This->pin.pCritSec);
615 static HRESULT WINAPI Parser_OutputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
617 Parser_OutputPin *This = (Parser_OutputPin *)iface;
619 TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
623 if (IsEqualIID(riid, &IID_IUnknown))
625 else if (IsEqualIID(riid, &IID_IPin))
627 /* The Parser filter does not support querying IMediaSeeking, return it directly */
628 else if (IsEqualIID(riid, &IID_IMediaSeeking))
629 *ppv = &((ParserImpl*)This->pin.pin.pinInfo.pFilter)->sourceSeeking;
633 IUnknown_AddRef((IUnknown *)(*ppv));
637 FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
639 return E_NOINTERFACE;
642 static ULONG WINAPI Parser_OutputPin_Release(IPin * iface)
644 Parser_OutputPin *This = (Parser_OutputPin *)iface;
645 ULONG refCount = InterlockedDecrement(&This->pin.pin.refCount);
647 TRACE("(%p)->() Release from %d\n", iface, refCount + 1);
651 FreeMediaType(This->pmt);
652 CoTaskMemFree(This->pmt);
653 FreeMediaType(&This->pin.pin.mtCurrent);
660 static HRESULT WINAPI Parser_OutputPin_Connect(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
662 Parser_OutputPin *This = (Parser_OutputPin *)iface;
663 ParserImpl *parser = (ParserImpl *)This->pin.pin.pinInfo.pFilter;
665 /* Set the allocator to our input pin's */
666 EnterCriticalSection(This->pin.pin.pCritSec);
667 This->alloc = parser->pInputPin->pAlloc;
668 LeaveCriticalSection(This->pin.pin.pCritSec);
670 return BaseOutputPinImpl_Connect(iface, pReceivePin, pmt);
673 static HRESULT WINAPI Parser_OutputPin_QueryAccept(IPin *iface, const AM_MEDIA_TYPE * pmt)
675 Parser_OutputPin *This = (Parser_OutputPin *)iface;
678 dump_AM_MEDIA_TYPE(pmt);
680 return (memcmp(This->pmt, pmt, sizeof(AM_MEDIA_TYPE)) == 0);
683 static const IPinVtbl Parser_OutputPin_Vtbl =
685 Parser_OutputPin_QueryInterface,
687 Parser_OutputPin_Release,
688 Parser_OutputPin_Connect,
689 BaseOutputPinImpl_ReceiveConnection,
690 BaseOutputPinImpl_Disconnect,
691 BasePinImpl_ConnectedTo,
692 BasePinImpl_ConnectionMediaType,
693 BasePinImpl_QueryPinInfo,
694 BasePinImpl_QueryDirection,
696 Parser_OutputPin_QueryAccept,
697 BasePinImpl_EnumMediaTypes,
698 BasePinImpl_QueryInternalConnections,
699 BaseOutputPinImpl_EndOfStream,
700 BaseOutputPinImpl_BeginFlush,
701 BaseOutputPinImpl_EndFlush,
702 BasePinImpl_NewSegment
705 static HRESULT WINAPI Parser_PullPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
707 PullPin *This = impl_PullPin_from_IPin(iface);
709 TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
714 * It is important to capture the request for the IMediaSeeking interface before it is passed
715 * on to PullPin_QueryInterface, this is necessary since the Parser filter does not support
716 * querying IMediaSeeking
718 if (IsEqualIID(riid, &IID_IMediaSeeking))
719 *ppv = &((ParserImpl*)This->pin.pinInfo.pFilter)->sourceSeeking;
723 IUnknown_AddRef((IUnknown *)(*ppv));
727 return PullPin_QueryInterface(iface, riid, ppv);
730 static HRESULT WINAPI Parser_PullPin_Disconnect(IPin * iface)
733 PullPin *This = impl_PullPin_from_IPin(iface);
737 EnterCriticalSection(&This->thread_lock);
738 EnterCriticalSection(This->pin.pCritSec);
740 if (This->pin.pConnectedTo)
743 ParserImpl *Parser = (ParserImpl *)This->pin.pinInfo.pFilter;
745 LeaveCriticalSection(This->pin.pCritSec);
746 hr = IBaseFilter_GetState(This->pin.pinInfo.pFilter, INFINITE, &state);
747 EnterCriticalSection(This->pin.pCritSec);
749 if (SUCCEEDED(hr) && (state == State_Stopped) && SUCCEEDED(Parser->fnDisconnect(Parser)))
751 LeaveCriticalSection(This->pin.pCritSec);
752 PullPin_Disconnect(iface);
753 EnterCriticalSection(This->pin.pCritSec);
754 hr = Parser_RemoveOutputPins((ParserImpl *)This->pin.pinInfo.pFilter);
757 hr = VFW_E_NOT_STOPPED;
762 LeaveCriticalSection(This->pin.pCritSec);
763 LeaveCriticalSection(&This->thread_lock);
768 static HRESULT WINAPI Parser_PullPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
774 hr = PullPin_ReceiveConnection(iface, pReceivePin, pmt);
777 BasePin *This = (BasePin *)iface;
779 EnterCriticalSection(This->pCritSec);
780 Parser_RemoveOutputPins((ParserImpl *)This->pinInfo.pFilter);
781 LeaveCriticalSection(This->pCritSec);
787 static HRESULT WINAPI Parser_PullPin_EnumMediaTypes(IPin *iface, IEnumMediaTypes **ppEnum)
789 BasePin *This = (BasePin *)iface;
791 TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
793 return EnumMediaTypes_Construct(This, BasePinImpl_GetMediaType, BasePinImpl_GetMediaTypeVersion, ppEnum);
796 static const IPinVtbl Parser_InputPin_Vtbl =
798 Parser_PullPin_QueryInterface,
801 BaseInputPinImpl_Connect,
802 Parser_PullPin_ReceiveConnection,
803 Parser_PullPin_Disconnect,
804 BasePinImpl_ConnectedTo,
805 BasePinImpl_ConnectionMediaType,
806 BasePinImpl_QueryPinInfo,
807 BasePinImpl_QueryDirection,
810 Parser_PullPin_EnumMediaTypes,
811 BasePinImpl_QueryInternalConnections,