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"
23 #include "control_private.h"
29 #include "wine/unicode.h"
30 #include "wine/debug.h"
37 WINE_DEFAULT_DEBUG_CHANNEL(quartz
);
39 static const WCHAR wcsInputPinName
[] = {'i','n','p','u','t',' ','p','i','n',0};
40 static const IMediaSeekingVtbl Parser_Seeking_Vtbl
;
41 static const IPinVtbl Parser_OutputPin_Vtbl
;
42 static const IPinVtbl Parser_InputPin_Vtbl
;
44 static HRESULT
Parser_OutputPin_QueryAccept(LPVOID iface
, const AM_MEDIA_TYPE
* pmt
);
45 static HRESULT
Parser_ChangeCurrent(IBaseFilter
*iface
);
46 static HRESULT
Parser_ChangeStop(IBaseFilter
*iface
);
47 static HRESULT
Parser_ChangeRate(IBaseFilter
*iface
);
49 static inline ParserImpl
*impl_from_IMediaSeeking( IMediaSeeking
*iface
)
51 return (ParserImpl
*)((char*)iface
- FIELD_OFFSET(ParserImpl
, mediaSeeking
.lpVtbl
));
55 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
, CHANGEPROC stop
, CHANGEPROC current
, CHANGEPROC rate
)
60 /* pTransformFilter is already allocated */
61 pParser
->clsid
= *pClsid
;
62 pParser
->lpVtbl
= Parser_Vtbl
;
63 pParser
->refCount
= 1;
64 InitializeCriticalSection(&pParser
->csFilter
);
65 pParser
->csFilter
.DebugInfo
->Spare
[0] = (DWORD_PTR
)(__FILE__
": ParserImpl.csFilter");
66 pParser
->state
= State_Stopped
;
67 pParser
->pClock
= NULL
;
68 pParser
->fnDisconnect
= fnDisconnect
;
69 ZeroMemory(&pParser
->filterInfo
, sizeof(FILTER_INFO
));
70 pParser
->lastpinchange
= GetTickCount();
72 pParser
->cStreams
= 0;
73 pParser
->ppPins
= CoTaskMemAlloc(1 * sizeof(IPin
*));
75 /* construct input pin */
76 piInput
.dir
= PINDIR_INPUT
;
77 piInput
.pFilter
= (IBaseFilter
*)pParser
;
78 lstrcpynW(piInput
.achName
, wcsInputPinName
, sizeof(piInput
.achName
) / sizeof(piInput
.achName
[0]));
81 current
= Parser_ChangeCurrent
;
84 stop
= Parser_ChangeStop
;
87 rate
= Parser_ChangeRate
;
89 MediaSeekingImpl_Init((IBaseFilter
*)pParser
, stop
, current
, rate
, &pParser
->mediaSeeking
, &pParser
->csFilter
);
90 pParser
->mediaSeeking
.lpVtbl
= &Parser_Seeking_Vtbl
;
92 hr
= PullPin_Construct(&Parser_InputPin_Vtbl
, &piInput
, fnProcessSample
, (LPVOID
)pParser
, fnQueryAccept
, fnCleanup
, fnRequest
, fnDone
, &pParser
->csFilter
, (IPin
**)&pParser
->pInputPin
);
96 pParser
->ppPins
[0] = (IPin
*)pParser
->pInputPin
;
97 pParser
->pInputPin
->fnPreConnect
= fnPreConnect
;
101 CoTaskMemFree(pParser
->ppPins
);
102 pParser
->csFilter
.DebugInfo
->Spare
[0] = 0;
103 DeleteCriticalSection(&pParser
->csFilter
);
104 CoTaskMemFree(pParser
);
110 HRESULT WINAPI
Parser_QueryInterface(IBaseFilter
* iface
, REFIID riid
, LPVOID
* ppv
)
112 ParserImpl
*This
= (ParserImpl
*)iface
;
113 TRACE("(%s, %p)\n", qzdebugstr_guid(riid
), ppv
);
117 if ( IsEqualIID(riid
, &IID_IUnknown
)
118 || IsEqualIID(riid
, &IID_IPersist
)
119 || IsEqualIID(riid
, &IID_IMediaFilter
)
120 || IsEqualIID(riid
, &IID_IBaseFilter
) )
125 IUnknown_AddRef((IUnknown
*)(*ppv
));
129 if (!IsEqualIID(riid
, &IID_IPin
) && !IsEqualIID(riid
, &IID_IVideoWindow
))
130 FIXME("No interface for %s!\n", qzdebugstr_guid(riid
));
132 return E_NOINTERFACE
;
135 ULONG WINAPI
Parser_AddRef(IBaseFilter
* iface
)
137 ParserImpl
*This
= (ParserImpl
*)iface
;
138 ULONG refCount
= InterlockedIncrement(&This
->refCount
);
140 TRACE("(%p/%p)->() AddRef from %d\n", This
, iface
, refCount
- 1);
145 void Parser_Destroy(ParserImpl
*This
)
147 IPin
*connected
= NULL
;
150 assert(!This
->refCount
);
151 PullPin_WaitForStateChange(This
->pInputPin
, INFINITE
);
154 IReferenceClock_Release(This
->pClock
);
156 /* Don't need to clean up output pins, freeing input pin will do that */
157 IPin_ConnectedTo((IPin
*)This
->pInputPin
, &connected
);
160 assert(IPin_Disconnect(connected
) == S_OK
);
161 IPin_Release(connected
);
162 assert(IPin_Disconnect((IPin
*)This
->pInputPin
) == S_OK
);
164 pinref
= IPin_Release((IPin
*)This
->pInputPin
);
167 /* Valgrind could find this, if I kill it here */
168 ERR("pinref should be null, is %u, destroying anyway\n", pinref
);
169 assert((LONG
)pinref
> 0);
172 pinref
= IPin_Release((IPin
*)This
->pInputPin
);
175 CoTaskMemFree(This
->ppPins
);
178 This
->csFilter
.DebugInfo
->Spare
[0] = 0;
179 DeleteCriticalSection(&This
->csFilter
);
181 TRACE("Destroying parser\n");
185 ULONG WINAPI
Parser_Release(IBaseFilter
* iface
)
187 ParserImpl
*This
= (ParserImpl
*)iface
;
188 ULONG refCount
= InterlockedDecrement(&This
->refCount
);
190 TRACE("(%p)->() Release from %d\n", This
, refCount
+ 1);
193 Parser_Destroy(This
);
198 /** IPersist methods **/
200 HRESULT WINAPI
Parser_GetClassID(IBaseFilter
* iface
, CLSID
* pClsid
)
202 ParserImpl
*This
= (ParserImpl
*)iface
;
204 TRACE("(%p)\n", pClsid
);
206 *pClsid
= This
->clsid
;
211 /** IMediaFilter methods **/
213 HRESULT WINAPI
Parser_Stop(IBaseFilter
* iface
)
215 ParserImpl
*This
= (ParserImpl
*)iface
;
216 PullPin
*pin
= (PullPin
*)This
->ppPins
[0];
221 EnterCriticalSection(&pin
->thread_lock
);
223 IAsyncReader_BeginFlush(This
->pInputPin
->pReader
);
224 EnterCriticalSection(&This
->csFilter
);
226 if (This
->state
== State_Stopped
)
228 LeaveCriticalSection(&This
->csFilter
);
229 IAsyncReader_EndFlush(This
->pInputPin
->pReader
);
230 LeaveCriticalSection(&pin
->thread_lock
);
234 This
->state
= State_Stopped
;
236 for (i
= 1; i
< (This
->cStreams
+ 1); i
++)
238 OutputPin_DecommitAllocator((OutputPin
*)This
->ppPins
[i
]);
241 LeaveCriticalSection(&This
->csFilter
);
243 PullPin_PauseProcessing(This
->pInputPin
);
244 PullPin_WaitForStateChange(This
->pInputPin
, INFINITE
);
245 IAsyncReader_EndFlush(This
->pInputPin
->pReader
);
247 LeaveCriticalSection(&pin
->thread_lock
);
251 HRESULT WINAPI
Parser_Pause(IBaseFilter
* iface
)
254 ParserImpl
*This
= (ParserImpl
*)iface
;
255 PullPin
*pin
= (PullPin
*)This
->ppPins
[0];
259 EnterCriticalSection(&pin
->thread_lock
);
260 EnterCriticalSection(&This
->csFilter
);
262 if (This
->state
== State_Paused
)
264 LeaveCriticalSection(&This
->csFilter
);
265 LeaveCriticalSection(&pin
->thread_lock
);
269 if (This
->state
== State_Stopped
)
271 LeaveCriticalSection(&This
->csFilter
);
272 hr
= IBaseFilter_Run(iface
, -1);
273 EnterCriticalSection(&This
->csFilter
);
277 This
->state
= State_Paused
;
279 LeaveCriticalSection(&This
->csFilter
);
280 LeaveCriticalSection(&pin
->thread_lock
);
285 HRESULT WINAPI
Parser_Run(IBaseFilter
* iface
, REFERENCE_TIME tStart
)
288 ParserImpl
*This
= (ParserImpl
*)iface
;
289 PullPin
*pin
= (PullPin
*)This
->ppPins
[0];
293 TRACE("(%s)\n", wine_dbgstr_longlong(tStart
));
295 EnterCriticalSection(&pin
->thread_lock
);
296 EnterCriticalSection(&This
->csFilter
);
298 HRESULT hr_any
= VFW_E_NOT_CONNECTED
;
300 if (This
->state
== State_Running
|| This
->state
== State_Paused
)
302 This
->state
= State_Running
;
303 LeaveCriticalSection(&This
->csFilter
);
304 LeaveCriticalSection(&pin
->thread_lock
);
308 This
->rtStreamStart
= tStart
;
310 for (i
= 1; i
< (This
->cStreams
+ 1); i
++)
312 hr
= OutputPin_CommitAllocator((OutputPin
*)This
->ppPins
[i
]);
320 LeaveCriticalSection(&This
->csFilter
);
321 hr
= PullPin_StartProcessing(This
->pInputPin
);
322 EnterCriticalSection(&This
->csFilter
);
326 This
->state
= State_Running
;
328 LeaveCriticalSection(&This
->csFilter
);
329 LeaveCriticalSection(&pin
->thread_lock
);
334 HRESULT WINAPI
Parser_GetState(IBaseFilter
* iface
, DWORD dwMilliSecsTimeout
, FILTER_STATE
*pState
)
336 ParserImpl
*This
= (ParserImpl
*)iface
;
337 PullPin
*pin
= (PullPin
*)This
->ppPins
[0];
340 TRACE("(%d, %p)\n", dwMilliSecsTimeout
, pState
);
342 EnterCriticalSection(&pin
->thread_lock
);
343 EnterCriticalSection(&This
->csFilter
);
345 *pState
= This
->state
;
347 LeaveCriticalSection(&This
->csFilter
);
349 if (This
->pInputPin
&& (PullPin_WaitForStateChange(This
->pInputPin
, dwMilliSecsTimeout
) == S_FALSE
))
350 hr
= VFW_S_STATE_INTERMEDIATE
;
351 LeaveCriticalSection(&pin
->thread_lock
);
356 HRESULT WINAPI
Parser_SetSyncSource(IBaseFilter
* iface
, IReferenceClock
*pClock
)
358 ParserImpl
*This
= (ParserImpl
*)iface
;
359 PullPin
*pin
= (PullPin
*)This
->ppPins
[0];
361 TRACE("(%p)\n", pClock
);
363 EnterCriticalSection(&pin
->thread_lock
);
364 EnterCriticalSection(&This
->csFilter
);
367 IReferenceClock_Release(This
->pClock
);
368 This
->pClock
= pClock
;
370 IReferenceClock_AddRef(This
->pClock
);
372 LeaveCriticalSection(&This
->csFilter
);
373 LeaveCriticalSection(&pin
->thread_lock
);
378 HRESULT WINAPI
Parser_GetSyncSource(IBaseFilter
* iface
, IReferenceClock
**ppClock
)
380 ParserImpl
*This
= (ParserImpl
*)iface
;
382 TRACE("(%p)\n", ppClock
);
384 EnterCriticalSection(&This
->csFilter
);
386 *ppClock
= This
->pClock
;
388 IReferenceClock_AddRef(This
->pClock
);
390 LeaveCriticalSection(&This
->csFilter
);
395 /** IBaseFilter implementation **/
398 static HRESULT
Parser_GetPin(IBaseFilter
*iface
, ULONG pos
, IPin
**pin
, DWORD
*lastsynctick
)
400 ParserImpl
*This
= (ParserImpl
*)iface
;
402 *lastsynctick
= This
->lastpinchange
;
404 TRACE("Asking for pos %x\n", pos
);
406 /* Input pin also has a pin, hence the > and not >= */
407 if (pos
> This
->cStreams
)
410 *pin
= This
->ppPins
[pos
];
415 HRESULT WINAPI
Parser_EnumPins(IBaseFilter
* iface
, IEnumPins
**ppEnum
)
417 ParserImpl
*This
= (ParserImpl
*)iface
;
419 TRACE("(%p/%p)->(%p)\n", This
, iface
, ppEnum
);
421 return IEnumPinsImpl_Construct(ppEnum
, Parser_GetPin
, iface
);
424 HRESULT WINAPI
Parser_FindPin(IBaseFilter
* iface
, LPCWSTR Id
, IPin
**ppPin
)
426 FIXME("(%p)->(%s,%p)\n", iface
, debugstr_w(Id
), ppPin
);
428 /* FIXME: critical section */
433 HRESULT WINAPI
Parser_QueryFilterInfo(IBaseFilter
* iface
, FILTER_INFO
*pInfo
)
435 ParserImpl
*This
= (ParserImpl
*)iface
;
437 TRACE("(%p)\n", pInfo
);
439 strcpyW(pInfo
->achName
, This
->filterInfo
.achName
);
440 pInfo
->pGraph
= This
->filterInfo
.pGraph
;
443 IFilterGraph_AddRef(pInfo
->pGraph
);
448 HRESULT WINAPI
Parser_JoinFilterGraph(IBaseFilter
* iface
, IFilterGraph
*pGraph
, LPCWSTR pName
)
451 ParserImpl
*This
= (ParserImpl
*)iface
;
453 TRACE("(%p, %s)\n", pGraph
, debugstr_w(pName
));
455 EnterCriticalSection(&This
->csFilter
);
458 strcpyW(This
->filterInfo
.achName
, pName
);
460 *This
->filterInfo
.achName
= '\0';
461 This
->filterInfo
.pGraph
= pGraph
; /* NOTE: do NOT increase ref. count */
463 LeaveCriticalSection(&This
->csFilter
);
468 HRESULT WINAPI
Parser_QueryVendorInfo(IBaseFilter
* iface
, LPWSTR
*pVendorInfo
)
470 TRACE("(%p)\n", pVendorInfo
);
474 HRESULT
Parser_AddPin(ParserImpl
* This
, const PIN_INFO
* piOutput
, ALLOCATOR_PROPERTIES
* props
, const AM_MEDIA_TYPE
* amt
)
479 ppOldPins
= This
->ppPins
;
481 This
->ppPins
= CoTaskMemAlloc((This
->cStreams
+ 2) * sizeof(IPin
*));
482 memcpy(This
->ppPins
, ppOldPins
, (This
->cStreams
+ 1) * sizeof(IPin
*));
484 hr
= OutputPin_Construct(&Parser_OutputPin_Vtbl
, sizeof(Parser_OutputPin
), piOutput
, props
, NULL
, Parser_OutputPin_QueryAccept
, &This
->csFilter
, This
->ppPins
+ (This
->cStreams
+ 1));
488 IPin
*pPin
= This
->ppPins
[This
->cStreams
+ 1];
489 Parser_OutputPin
*pin
= (Parser_OutputPin
*)pPin
;
490 pin
->pmt
= CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE
));
491 CopyMediaType(pin
->pmt
, amt
);
492 pin
->dwSamplesProcessed
= 0;
494 pin
->pin
.pin
.pUserData
= This
->ppPins
[This
->cStreams
+ 1];
495 pin
->pin
.pin
.pinInfo
.pFilter
= (LPVOID
)This
;
496 pin
->pin
.custom_allocator
= 1;
498 This
->lastpinchange
= GetTickCount();
499 CoTaskMemFree(ppOldPins
);
503 CoTaskMemFree(This
->ppPins
);
504 This
->ppPins
= ppOldPins
;
505 ERR("Failed with error %x\n", hr
);
511 static HRESULT
Parser_RemoveOutputPins(ParserImpl
* This
)
513 /* NOTE: should be in critical section when calling this function */
516 IPin
** ppOldPins
= This
->ppPins
;
518 TRACE("(%p)\n", This
);
520 /* reduce the pin array down to 1 (just our input pin) */
521 This
->ppPins
= CoTaskMemAlloc(sizeof(IPin
*) * 1);
522 memcpy(This
->ppPins
, ppOldPins
, sizeof(IPin
*) * 1);
524 for (i
= 0; i
< This
->cStreams
; i
++)
526 hr
= OutputPin_DeliverDisconnect((OutputPin
*)ppOldPins
[i
+ 1]);
527 TRACE("Disconnect: %08x\n", hr
);
528 IPin_Release(ppOldPins
[i
+ 1]);
531 This
->lastpinchange
= GetTickCount();
533 CoTaskMemFree(ppOldPins
);
538 static HRESULT
Parser_ChangeCurrent(IBaseFilter
*iface
)
540 FIXME("(%p) filter hasn't implemented current position change!\n", iface
);
544 static HRESULT
Parser_ChangeStop(IBaseFilter
*iface
)
546 FIXME("(%p) filter hasn't implemented stop position change!\n", iface
);
550 static HRESULT
Parser_ChangeRate(IBaseFilter
*iface
)
552 FIXME("(%p) filter hasn't implemented rate change!\n", iface
);
557 static HRESULT WINAPI
Parser_Seeking_QueryInterface(IMediaSeeking
* iface
, REFIID riid
, LPVOID
* ppv
)
559 ParserImpl
*This
= impl_from_IMediaSeeking(iface
);
561 return IUnknown_QueryInterface((IUnknown
*)This
, riid
, ppv
);
564 static ULONG WINAPI
Parser_Seeking_AddRef(IMediaSeeking
* iface
)
566 ParserImpl
*This
= impl_from_IMediaSeeking(iface
);
568 return IUnknown_AddRef((IUnknown
*)This
);
571 static ULONG WINAPI
Parser_Seeking_Release(IMediaSeeking
* iface
)
573 ParserImpl
*This
= impl_from_IMediaSeeking(iface
);
575 return IUnknown_Release((IUnknown
*)This
);
578 static const IMediaSeekingVtbl Parser_Seeking_Vtbl
=
580 Parser_Seeking_QueryInterface
,
581 Parser_Seeking_AddRef
,
582 Parser_Seeking_Release
,
583 MediaSeekingImpl_GetCapabilities
,
584 MediaSeekingImpl_CheckCapabilities
,
585 MediaSeekingImpl_IsFormatSupported
,
586 MediaSeekingImpl_QueryPreferredFormat
,
587 MediaSeekingImpl_GetTimeFormat
,
588 MediaSeekingImpl_IsUsingTimeFormat
,
589 MediaSeekingImpl_SetTimeFormat
,
590 MediaSeekingImpl_GetDuration
,
591 MediaSeekingImpl_GetStopPosition
,
592 MediaSeekingImpl_GetCurrentPosition
,
593 MediaSeekingImpl_ConvertTimeFormat
,
594 MediaSeekingImpl_SetPositions
,
595 MediaSeekingImpl_GetPositions
,
596 MediaSeekingImpl_GetAvailable
,
597 MediaSeekingImpl_SetRate
,
598 MediaSeekingImpl_GetRate
,
599 MediaSeekingImpl_GetPreroll
602 static HRESULT WINAPI
Parser_OutputPin_QueryInterface(IPin
* iface
, REFIID riid
, LPVOID
* ppv
)
604 Parser_OutputPin
*This
= (Parser_OutputPin
*)iface
;
606 TRACE("(%s, %p)\n", qzdebugstr_guid(riid
), ppv
);
610 if (IsEqualIID(riid
, &IID_IUnknown
))
612 else if (IsEqualIID(riid
, &IID_IPin
))
614 else if (IsEqualIID(riid
, &IID_IMediaSeeking
))
616 return IBaseFilter_QueryInterface(This
->pin
.pin
.pinInfo
.pFilter
, &IID_IMediaSeeking
, ppv
);
621 IUnknown_AddRef((IUnknown
*)(*ppv
));
625 FIXME("No interface for %s!\n", qzdebugstr_guid(riid
));
627 return E_NOINTERFACE
;
630 static ULONG WINAPI
Parser_OutputPin_Release(IPin
* iface
)
632 Parser_OutputPin
*This
= (Parser_OutputPin
*)iface
;
633 ULONG refCount
= InterlockedDecrement(&This
->pin
.pin
.refCount
);
635 TRACE("(%p)->() Release from %d\n", iface
, refCount
+ 1);
639 FreeMediaType(This
->pmt
);
640 CoTaskMemFree(This
->pmt
);
641 FreeMediaType(&This
->pin
.pin
.mtCurrent
);
648 static HRESULT WINAPI
Parser_OutputPin_EnumMediaTypes(IPin
* iface
, IEnumMediaTypes
** ppEnum
)
650 ENUMMEDIADETAILS emd
;
651 Parser_OutputPin
*This
= (Parser_OutputPin
*)iface
;
653 TRACE("(%p)\n", ppEnum
);
655 /* override this method to allow enumeration of your types */
657 emd
.pMediaTypes
= This
->pmt
;
659 return IEnumMediaTypesImpl_Construct(&emd
, ppEnum
);
662 static HRESULT WINAPI
Parser_OutputPin_Connect(IPin
* iface
, IPin
* pReceivePin
, const AM_MEDIA_TYPE
* pmt
)
664 Parser_OutputPin
*This
= (Parser_OutputPin
*)iface
;
665 ParserImpl
*parser
= (ParserImpl
*)This
->pin
.pin
.pinInfo
.pFilter
;
667 /* Set the allocator to our input pin's */
668 EnterCriticalSection(This
->pin
.pin
.pCritSec
);
669 This
->pin
.alloc
= parser
->pInputPin
->pAlloc
;
670 LeaveCriticalSection(This
->pin
.pin
.pCritSec
);
672 return OutputPin_Connect(iface
, pReceivePin
, pmt
);
675 static HRESULT
Parser_OutputPin_QueryAccept(LPVOID iface
, const AM_MEDIA_TYPE
* pmt
)
677 Parser_OutputPin
*This
= iface
;
680 dump_AM_MEDIA_TYPE(pmt
);
682 return (memcmp(This
->pmt
, pmt
, sizeof(AM_MEDIA_TYPE
)) == 0);
685 static const IPinVtbl Parser_OutputPin_Vtbl
=
687 Parser_OutputPin_QueryInterface
,
689 Parser_OutputPin_Release
,
690 Parser_OutputPin_Connect
,
691 OutputPin_ReceiveConnection
,
692 OutputPin_Disconnect
,
693 IPinImpl_ConnectedTo
,
694 IPinImpl_ConnectionMediaType
,
695 IPinImpl_QueryPinInfo
,
696 IPinImpl_QueryDirection
,
698 IPinImpl_QueryAccept
,
699 Parser_OutputPin_EnumMediaTypes
,
700 IPinImpl_QueryInternalConnections
,
701 OutputPin_EndOfStream
,
702 OutputPin_BeginFlush
,
707 static HRESULT WINAPI
Parser_PullPin_Disconnect(IPin
* iface
)
710 PullPin
*This
= (PullPin
*)iface
;
714 EnterCriticalSection(&This
->thread_lock
);
715 EnterCriticalSection(This
->pin
.pCritSec
);
717 if (This
->pin
.pConnectedTo
)
720 ParserImpl
*Parser
= (ParserImpl
*)This
->pin
.pinInfo
.pFilter
;
722 LeaveCriticalSection(This
->pin
.pCritSec
);
723 hr
= IBaseFilter_GetState(This
->pin
.pinInfo
.pFilter
, INFINITE
, &state
);
724 EnterCriticalSection(This
->pin
.pCritSec
);
726 if (SUCCEEDED(hr
) && (state
== State_Stopped
) && SUCCEEDED(Parser
->fnDisconnect(Parser
)))
728 LeaveCriticalSection(This
->pin
.pCritSec
);
729 PullPin_Disconnect(iface
);
730 EnterCriticalSection(This
->pin
.pCritSec
);
731 hr
= Parser_RemoveOutputPins((ParserImpl
*)This
->pin
.pinInfo
.pFilter
);
734 hr
= VFW_E_NOT_STOPPED
;
739 LeaveCriticalSection(This
->pin
.pCritSec
);
740 LeaveCriticalSection(&This
->thread_lock
);
745 static HRESULT WINAPI
Parser_PullPin_ReceiveConnection(IPin
* iface
, IPin
* pReceivePin
, const AM_MEDIA_TYPE
* pmt
)
751 hr
= PullPin_ReceiveConnection(iface
, pReceivePin
, pmt
);
754 IPinImpl
*This
= (IPinImpl
*)iface
;
756 EnterCriticalSection(This
->pCritSec
);
757 Parser_RemoveOutputPins((ParserImpl
*)This
->pinInfo
.pFilter
);
758 LeaveCriticalSection(This
->pCritSec
);
764 static const IPinVtbl Parser_InputPin_Vtbl
=
766 PullPin_QueryInterface
,
770 Parser_PullPin_ReceiveConnection
,
771 Parser_PullPin_Disconnect
,
772 IPinImpl_ConnectedTo
,
773 IPinImpl_ConnectionMediaType
,
774 IPinImpl_QueryPinInfo
,
775 IPinImpl_QueryDirection
,
777 IPinImpl_QueryAccept
,
778 IPinImpl_EnumMediaTypes
,
779 IPinImpl_QueryInternalConnections
,