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"
34 #include "wine/unicode.h"
35 #include "wine/debug.h"
42 WINE_DEFAULT_DEBUG_CHANNEL(quartz
);
44 static const WCHAR wcsInputPinName
[] = {'i','n','p','u','t',' ','p','i','n',0};
45 static const IBaseFilterVtbl Parser_Vtbl
;
46 static const IMediaSeekingVtbl Parser_Seeking_Vtbl
;
47 static const IPinVtbl Parser_OutputPin_Vtbl
;
48 static const IPinVtbl Parser_InputPin_Vtbl
;
50 static HRESULT
Parser_OutputPin_QueryAccept(LPVOID iface
, const AM_MEDIA_TYPE
* pmt
);
51 static HRESULT
Parser_ChangeStart(LPVOID iface
);
52 static HRESULT
Parser_ChangeStop(LPVOID iface
);
53 static HRESULT
Parser_ChangeRate(LPVOID iface
);
55 static HRESULT
Parser_InputPin_Construct(const PIN_INFO
* pPinInfo
, SAMPLEPROC pSampleProc
, LPVOID pUserData
, QUERYACCEPTPROC pQueryAccept
, LPCRITICAL_SECTION pCritSec
, IPin
** ppPin
);
57 static inline Parser_OutputPin
*impl_from_IMediaSeeking( IMediaSeeking
*iface
)
59 return (Parser_OutputPin
*)((char*)iface
- FIELD_OFFSET(Parser_OutputPin
, mediaSeeking
.lpVtbl
));
63 HRESULT
Parser_Create(ParserImpl
* pParser
, const CLSID
* pClsid
, PFN_PROCESS_SAMPLE fnProcessSample
, PFN_QUERY_ACCEPT fnQueryAccept
, PFN_PRE_CONNECT fnPreConnect
)
68 /* pTransformFilter is already allocated */
69 pParser
->clsid
= *pClsid
;
71 pParser
->lpVtbl
= &Parser_Vtbl
;
72 pParser
->refCount
= 1;
73 InitializeCriticalSection(&pParser
->csFilter
);
74 pParser
->state
= State_Stopped
;
75 pParser
->pClock
= NULL
;
76 ZeroMemory(&pParser
->filterInfo
, sizeof(FILTER_INFO
));
78 pParser
->cStreams
= 0;
79 pParser
->ppPins
= CoTaskMemAlloc(1 * sizeof(IPin
*));
81 /* construct input pin */
82 piInput
.dir
= PINDIR_INPUT
;
83 piInput
.pFilter
= (IBaseFilter
*)pParser
;
84 lstrcpynW(piInput
.achName
, wcsInputPinName
, sizeof(piInput
.achName
) / sizeof(piInput
.achName
[0]));
86 hr
= Parser_InputPin_Construct(&piInput
, fnProcessSample
, (LPVOID
)pParser
, fnQueryAccept
, &pParser
->csFilter
, (IPin
**)&pParser
->pInputPin
);
90 pParser
->ppPins
[0] = (IPin
*)pParser
->pInputPin
;
91 pParser
->pInputPin
->fnPreConnect
= fnPreConnect
;
95 CoTaskMemFree(pParser
->ppPins
);
96 DeleteCriticalSection(&pParser
->csFilter
);
97 CoTaskMemFree(pParser
);
103 static HRESULT
Parser_OutputPin_Init(const PIN_INFO
* pPinInfo
, ALLOCATOR_PROPERTIES
* props
, LPVOID pUserData
, QUERYACCEPTPROC pQueryAccept
, const AM_MEDIA_TYPE
* pmt
, float fSamplesPerSec
, LPCRITICAL_SECTION pCritSec
, Parser_OutputPin
* pPinImpl
)
105 pPinImpl
->pmt
= CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE
));
106 CopyMediaType(pPinImpl
->pmt
, pmt
);
107 pPinImpl
->dwSamplesProcessed
= 0;
108 pPinImpl
->dwSampleSize
= 0;
109 pPinImpl
->fSamplesPerSec
= fSamplesPerSec
;
111 MediaSeekingImpl_Init((LPVOID
)pPinInfo
->pFilter
, Parser_ChangeStop
, Parser_ChangeStart
, Parser_ChangeRate
, &pPinImpl
->mediaSeeking
);
112 pPinImpl
->mediaSeeking
.lpVtbl
= &Parser_Seeking_Vtbl
;
114 return OutputPin_Init(pPinInfo
, props
, pUserData
, pQueryAccept
, pCritSec
, &pPinImpl
->pin
);
117 static HRESULT
Parser_OutputPin_Construct(const PIN_INFO
* pPinInfo
, ALLOCATOR_PROPERTIES
* props
, LPVOID pUserData
, QUERYACCEPTPROC pQueryAccept
, const AM_MEDIA_TYPE
* pmt
, float fSamplesPerSec
, LPCRITICAL_SECTION pCritSec
, IPin
** ppPin
)
119 Parser_OutputPin
* pPinImpl
;
123 assert(pPinInfo
->dir
== PINDIR_OUTPUT
);
125 pPinImpl
= CoTaskMemAlloc(sizeof(Parser_OutputPin
));
128 return E_OUTOFMEMORY
;
130 if (SUCCEEDED(Parser_OutputPin_Init(pPinInfo
, props
, pUserData
, pQueryAccept
, pmt
, fSamplesPerSec
, pCritSec
, pPinImpl
)))
132 pPinImpl
->pin
.pin
.lpVtbl
= &Parser_OutputPin_Vtbl
;
134 *ppPin
= (IPin
*)pPinImpl
;
140 static HRESULT WINAPI
Parser_QueryInterface(IBaseFilter
* iface
, REFIID riid
, LPVOID
* ppv
)
142 ParserImpl
*This
= (ParserImpl
*)iface
;
143 TRACE("(%s, %p)\n", qzdebugstr_guid(riid
), ppv
);
147 if (IsEqualIID(riid
, &IID_IUnknown
))
149 else if (IsEqualIID(riid
, &IID_IPersist
))
151 else if (IsEqualIID(riid
, &IID_IMediaFilter
))
153 else if (IsEqualIID(riid
, &IID_IBaseFilter
))
158 IUnknown_AddRef((IUnknown
*)(*ppv
));
162 FIXME("No interface for %s!\n", qzdebugstr_guid(riid
));
164 return E_NOINTERFACE
;
167 static ULONG WINAPI
Parser_AddRef(IBaseFilter
* iface
)
169 ParserImpl
*This
= (ParserImpl
*)iface
;
170 ULONG refCount
= InterlockedIncrement(&This
->refCount
);
172 TRACE("(%p/%p)->() AddRef from %d\n", This
, iface
, refCount
- 1);
177 static ULONG WINAPI
Parser_Release(IBaseFilter
* iface
)
179 ParserImpl
*This
= (ParserImpl
*)iface
;
180 ULONG refCount
= InterlockedDecrement(&This
->refCount
);
182 TRACE("(%p)->() Release from %d\n", This
, refCount
+ 1);
188 DeleteCriticalSection(&This
->csFilter
);
190 IReferenceClock_Release(This
->pClock
);
192 for (i
= 0; i
< This
->cStreams
+ 1; i
++)
193 IPin_Release(This
->ppPins
[i
]);
195 CoTaskMemFree(This
->ppPins
);
198 TRACE("Destroying parser\n");
207 /** IPersist methods **/
209 static HRESULT WINAPI
Parser_GetClassID(IBaseFilter
* iface
, CLSID
* pClsid
)
211 TRACE("(%p)\n", pClsid
);
213 *pClsid
= CLSID_AviSplitter
;
218 /** IMediaFilter methods **/
220 static HRESULT WINAPI
Parser_Stop(IBaseFilter
* iface
)
223 ParserImpl
*This
= (ParserImpl
*)iface
;
227 EnterCriticalSection(&This
->csFilter
);
229 if (This
->state
== State_Stopped
)
231 LeaveCriticalSection(&This
->csFilter
);
234 hr
= PullPin_StopProcessing(This
->pInputPin
);
235 This
->state
= State_Stopped
;
237 LeaveCriticalSection(&This
->csFilter
);
242 static HRESULT WINAPI
Parser_Pause(IBaseFilter
* iface
)
246 ParserImpl
*This
= (ParserImpl
*)iface
;
250 EnterCriticalSection(&This
->csFilter
);
252 if (This
->state
== State_Paused
)
254 LeaveCriticalSection(&This
->csFilter
);
257 bInit
= (This
->state
== State_Stopped
);
258 This
->state
= State_Paused
;
260 LeaveCriticalSection(&This
->csFilter
);
266 hr
= PullPin_Seek(This
->pInputPin
, 0, ((LONGLONG
)0x7fffffff << 32) | 0xffffffff);
269 hr
= PullPin_InitProcessing(This
->pInputPin
);
273 for (i
= 1; i
< This
->cStreams
+ 1; i
++)
275 Parser_OutputPin
* StreamPin
= (Parser_OutputPin
*)This
->ppPins
[i
];
276 OutputPin_DeliverNewSegment((OutputPin
*)This
->ppPins
[i
], 0, (LONGLONG
)ceil(10000000.0 * (float)StreamPin
->dwLength
/ StreamPin
->fSamplesPerSec
), 1.0);
277 StreamPin
->mediaSeeking
.llDuration
= (LONGLONG
)ceil(10000000.0 * (float)StreamPin
->dwLength
/ StreamPin
->fSamplesPerSec
);
278 StreamPin
->mediaSeeking
.llStop
= (LONGLONG
)ceil(10000000.0 * (float)StreamPin
->dwLength
/ StreamPin
->fSamplesPerSec
);
279 OutputPin_CommitAllocator((OutputPin
*)This
->ppPins
[i
]);
282 /* FIXME: this is a little hacky: we have to deliver (at least?) one sample
283 * to each renderer before they will complete their transitions. We should probably
284 * seek through the stream for the first of each, rather than do it this way which is
285 * probably a bit prone to deadlocking */
286 hr
= PullPin_StartProcessing(This
->pInputPin
);
289 /* FIXME: else pause thread */
292 hr
= PullPin_PauseProcessing(This
->pInputPin
);
297 static HRESULT WINAPI
Parser_Run(IBaseFilter
* iface
, REFERENCE_TIME tStart
)
300 ParserImpl
*This
= (ParserImpl
*)iface
;
303 TRACE("(%s)\n", wine_dbgstr_longlong(tStart
));
305 EnterCriticalSection(&This
->csFilter
);
307 if (This
->state
== State_Running
)
309 LeaveCriticalSection(&This
->csFilter
);
313 This
->rtStreamStart
= tStart
;
315 hr
= PullPin_Seek(This
->pInputPin
, tStart
, ((LONGLONG
)0x7fffffff << 32) | 0xffffffff);
317 if (SUCCEEDED(hr
) && (This
->state
== State_Stopped
))
319 hr
= PullPin_InitProcessing(This
->pInputPin
);
323 for (i
= 1; i
< (This
->cStreams
+ 1); i
++)
325 OutputPin_CommitAllocator((OutputPin
*)This
->ppPins
[i
]);
331 hr
= PullPin_StartProcessing(This
->pInputPin
);
334 This
->state
= State_Running
;
336 LeaveCriticalSection(&This
->csFilter
);
341 static HRESULT WINAPI
Parser_GetState(IBaseFilter
* iface
, DWORD dwMilliSecsTimeout
, FILTER_STATE
*pState
)
343 ParserImpl
*This
= (ParserImpl
*)iface
;
345 TRACE("(%d, %p)\n", dwMilliSecsTimeout
, pState
);
347 EnterCriticalSection(&This
->csFilter
);
349 *pState
= This
->state
;
351 LeaveCriticalSection(&This
->csFilter
);
353 /* FIXME: this is a little bit unsafe, but I don't see that we can do this
354 * while in the critical section. Maybe we could copy the pointer and addref in the
355 * critical section and then release after this.
357 if (This
->pInputPin
&& (PullPin_WaitForStateChange(This
->pInputPin
, dwMilliSecsTimeout
) == S_FALSE
))
358 return VFW_S_STATE_INTERMEDIATE
;
363 static HRESULT WINAPI
Parser_SetSyncSource(IBaseFilter
* iface
, IReferenceClock
*pClock
)
365 ParserImpl
*This
= (ParserImpl
*)iface
;
367 TRACE("(%p)\n", pClock
);
369 EnterCriticalSection(&This
->csFilter
);
372 IReferenceClock_Release(This
->pClock
);
373 This
->pClock
= pClock
;
375 IReferenceClock_AddRef(This
->pClock
);
377 LeaveCriticalSection(&This
->csFilter
);
382 static HRESULT WINAPI
Parser_GetSyncSource(IBaseFilter
* iface
, IReferenceClock
**ppClock
)
384 ParserImpl
*This
= (ParserImpl
*)iface
;
386 TRACE("(%p)\n", ppClock
);
388 EnterCriticalSection(&This
->csFilter
);
390 *ppClock
= This
->pClock
;
392 IReferenceClock_AddRef(This
->pClock
);
394 LeaveCriticalSection(&This
->csFilter
);
399 /** IBaseFilter implementation **/
401 static HRESULT WINAPI
Parser_EnumPins(IBaseFilter
* iface
, IEnumPins
**ppEnum
)
404 ParserImpl
*This
= (ParserImpl
*)iface
;
406 TRACE("(%p)\n", ppEnum
);
408 epd
.cPins
= This
->cStreams
+ 1; /* +1 for input pin */
409 epd
.ppPins
= This
->ppPins
;
410 return IEnumPinsImpl_Construct(&epd
, ppEnum
);
413 static HRESULT WINAPI
Parser_FindPin(IBaseFilter
* iface
, LPCWSTR Id
, IPin
**ppPin
)
415 FIXME("(%p)->(%s,%p)\n", iface
, debugstr_w(Id
), ppPin
);
417 /* FIXME: critical section */
422 static HRESULT WINAPI
Parser_QueryFilterInfo(IBaseFilter
* iface
, FILTER_INFO
*pInfo
)
424 ParserImpl
*This
= (ParserImpl
*)iface
;
426 TRACE("(%p)\n", pInfo
);
428 strcpyW(pInfo
->achName
, This
->filterInfo
.achName
);
429 pInfo
->pGraph
= This
->filterInfo
.pGraph
;
432 IFilterGraph_AddRef(pInfo
->pGraph
);
437 static HRESULT WINAPI
Parser_JoinFilterGraph(IBaseFilter
* iface
, IFilterGraph
*pGraph
, LPCWSTR pName
)
440 ParserImpl
*This
= (ParserImpl
*)iface
;
442 TRACE("(%p, %s)\n", pGraph
, debugstr_w(pName
));
444 EnterCriticalSection(&This
->csFilter
);
447 strcpyW(This
->filterInfo
.achName
, pName
);
449 *This
->filterInfo
.achName
= '\0';
450 This
->filterInfo
.pGraph
= pGraph
; /* NOTE: do NOT increase ref. count */
452 LeaveCriticalSection(&This
->csFilter
);
457 static HRESULT WINAPI
Parser_QueryVendorInfo(IBaseFilter
* iface
, LPWSTR
*pVendorInfo
)
459 TRACE("(%p)\n", pVendorInfo
);
463 static const IBaseFilterVtbl Parser_Vtbl
=
465 Parser_QueryInterface
,
473 Parser_SetSyncSource
,
474 Parser_GetSyncSource
,
477 Parser_QueryFilterInfo
,
478 Parser_JoinFilterGraph
,
479 Parser_QueryVendorInfo
482 HRESULT
Parser_AddPin(ParserImpl
* This
, PIN_INFO
* piOutput
, ALLOCATOR_PROPERTIES
* props
, AM_MEDIA_TYPE
* amt
, float fSamplesPerSec
, DWORD dwSampleSize
, DWORD dwLength
)
487 ppOldPins
= This
->ppPins
;
489 This
->ppPins
= CoTaskMemAlloc((This
->cStreams
+ 2) * sizeof(IPin
*));
490 memcpy(This
->ppPins
, ppOldPins
, (This
->cStreams
+ 1) * sizeof(IPin
*));
492 hr
= Parser_OutputPin_Construct(piOutput
, props
, NULL
, Parser_OutputPin_QueryAccept
, amt
, fSamplesPerSec
, &This
->csFilter
, This
->ppPins
+ This
->cStreams
+ 1);
496 ((Parser_OutputPin
*)(This
->ppPins
[This
->cStreams
+ 1]))->dwSampleSize
= dwSampleSize
;
497 ((Parser_OutputPin
*)(This
->ppPins
[This
->cStreams
+ 1]))->dwLength
= dwLength
;
498 ((Parser_OutputPin
*)(This
->ppPins
[This
->cStreams
+ 1]))->pin
.pin
.pUserData
= (LPVOID
)This
->ppPins
[This
->cStreams
+ 1];
500 CoTaskMemFree(ppOldPins
);
504 CoTaskMemFree(This
->ppPins
);
505 This
->ppPins
= ppOldPins
;
506 ERR("Failed with error %x\n", hr
);
512 static HRESULT
Parser_RemoveOutputPins(ParserImpl
* This
)
514 /* NOTE: should be in critical section when calling this function */
517 IPin
** ppOldPins
= This
->ppPins
;
519 /* reduce the pin array down to 1 (just our input pin) */
520 This
->ppPins
= CoTaskMemAlloc(sizeof(IPin
*) * 1);
521 memcpy(This
->ppPins
, ppOldPins
, sizeof(IPin
*) * 1);
523 for (i
= 0; i
< This
->cStreams
; i
++)
525 OutputPin_DeliverDisconnect((OutputPin
*)ppOldPins
[i
+ 1]);
526 IPin_Release(ppOldPins
[i
+ 1]);
530 CoTaskMemFree(ppOldPins
);
535 static HRESULT
Parser_ChangeStart(LPVOID iface
)
537 FIXME("(%p)\n", iface
);
541 static HRESULT
Parser_ChangeStop(LPVOID iface
)
543 FIXME("(%p)\n", iface
);
547 static HRESULT
Parser_ChangeRate(LPVOID iface
)
549 FIXME("(%p)\n", iface
);
554 static HRESULT WINAPI
Parser_Seeking_QueryInterface(IMediaSeeking
* iface
, REFIID riid
, LPVOID
* ppv
)
556 Parser_OutputPin
*This
= impl_from_IMediaSeeking(iface
);
558 return IUnknown_QueryInterface((IUnknown
*)This
, riid
, ppv
);
561 static ULONG WINAPI
Parser_Seeking_AddRef(IMediaSeeking
* iface
)
563 Parser_OutputPin
*This
= impl_from_IMediaSeeking(iface
);
565 return IUnknown_AddRef((IUnknown
*)This
);
568 static ULONG WINAPI
Parser_Seeking_Release(IMediaSeeking
* iface
)
570 Parser_OutputPin
*This
= impl_from_IMediaSeeking(iface
);
572 return IUnknown_Release((IUnknown
*)This
);
575 static const IMediaSeekingVtbl Parser_Seeking_Vtbl
=
577 Parser_Seeking_QueryInterface
,
578 Parser_Seeking_AddRef
,
579 Parser_Seeking_Release
,
580 MediaSeekingImpl_GetCapabilities
,
581 MediaSeekingImpl_CheckCapabilities
,
582 MediaSeekingImpl_IsFormatSupported
,
583 MediaSeekingImpl_QueryPreferredFormat
,
584 MediaSeekingImpl_GetTimeFormat
,
585 MediaSeekingImpl_IsUsingTimeFormat
,
586 MediaSeekingImpl_SetTimeFormat
,
587 MediaSeekingImpl_GetDuration
,
588 MediaSeekingImpl_GetStopPosition
,
589 MediaSeekingImpl_GetCurrentPosition
,
590 MediaSeekingImpl_ConvertTimeFormat
,
591 MediaSeekingImpl_SetPositions
,
592 MediaSeekingImpl_GetPositions
,
593 MediaSeekingImpl_GetAvailable
,
594 MediaSeekingImpl_SetRate
,
595 MediaSeekingImpl_GetRate
,
596 MediaSeekingImpl_GetPreroll
599 static HRESULT WINAPI
Parser_OutputPin_QueryInterface(IPin
* iface
, REFIID riid
, LPVOID
* ppv
)
601 Parser_OutputPin
*This
= (Parser_OutputPin
*)iface
;
603 TRACE("(%s, %p)\n", qzdebugstr_guid(riid
), ppv
);
607 if (IsEqualIID(riid
, &IID_IUnknown
))
608 *ppv
= (LPVOID
)iface
;
609 else if (IsEqualIID(riid
, &IID_IPin
))
610 *ppv
= (LPVOID
)iface
;
611 else if (IsEqualIID(riid
, &IID_IMediaSeeking
))
612 *ppv
= (LPVOID
)&This
->mediaSeeking
;
616 IUnknown_AddRef((IUnknown
*)(*ppv
));
620 FIXME("No interface for %s!\n", qzdebugstr_guid(riid
));
622 return E_NOINTERFACE
;
625 static ULONG WINAPI
Parser_OutputPin_Release(IPin
* iface
)
627 Parser_OutputPin
*This
= (Parser_OutputPin
*)iface
;
628 ULONG refCount
= InterlockedDecrement(&This
->pin
.pin
.refCount
);
630 TRACE("(%p)->() Release from %d\n", iface
, refCount
+ 1);
634 FreeMediaType(This
->pmt
);
635 CoTaskMemFree(This
->pmt
);
636 FreeMediaType(&This
->pin
.pin
.mtCurrent
);
643 static HRESULT WINAPI
Parser_OutputPin_EnumMediaTypes(IPin
* iface
, IEnumMediaTypes
** ppEnum
)
645 ENUMMEDIADETAILS emd
;
646 Parser_OutputPin
*This
= (Parser_OutputPin
*)iface
;
648 TRACE("(%p)\n", ppEnum
);
650 /* override this method to allow enumeration of your types */
652 emd
.pMediaTypes
= This
->pmt
;
654 return IEnumMediaTypesImpl_Construct(&emd
, ppEnum
);
657 static HRESULT
Parser_OutputPin_QueryAccept(LPVOID iface
, const AM_MEDIA_TYPE
* pmt
)
659 Parser_OutputPin
*This
= (Parser_OutputPin
*)iface
;
662 dump_AM_MEDIA_TYPE(pmt
);
664 return (memcmp(This
->pmt
, pmt
, sizeof(AM_MEDIA_TYPE
)) == 0);
667 static const IPinVtbl Parser_OutputPin_Vtbl
=
669 Parser_OutputPin_QueryInterface
,
671 Parser_OutputPin_Release
,
673 OutputPin_ReceiveConnection
,
674 OutputPin_Disconnect
,
675 IPinImpl_ConnectedTo
,
676 IPinImpl_ConnectionMediaType
,
677 IPinImpl_QueryPinInfo
,
678 IPinImpl_QueryDirection
,
680 IPinImpl_QueryAccept
,
681 Parser_OutputPin_EnumMediaTypes
,
682 IPinImpl_QueryInternalConnections
,
683 OutputPin_EndOfStream
,
684 OutputPin_BeginFlush
,
689 static HRESULT
Parser_InputPin_Construct(const PIN_INFO
* pPinInfo
, SAMPLEPROC pSampleProc
, LPVOID pUserData
, QUERYACCEPTPROC pQueryAccept
, LPCRITICAL_SECTION pCritSec
, IPin
** ppPin
)
695 if (pPinInfo
->dir
!= PINDIR_INPUT
)
697 ERR("Pin direction(%x) != PINDIR_INPUT\n", pPinInfo
->dir
);
701 pPinImpl
= CoTaskMemAlloc(sizeof(*pPinImpl
));
704 return E_OUTOFMEMORY
;
706 if (SUCCEEDED(PullPin_Init(pPinInfo
, pSampleProc
, pUserData
, pQueryAccept
, pCritSec
, pPinImpl
)))
708 pPinImpl
->pin
.lpVtbl
= &Parser_InputPin_Vtbl
;
710 *ppPin
= (IPin
*)(&pPinImpl
->pin
.lpVtbl
);
716 static HRESULT WINAPI
Parser_InputPin_Disconnect(IPin
* iface
)
719 IPinImpl
*This
= (IPinImpl
*)iface
;
723 EnterCriticalSection(This
->pCritSec
);
725 if (This
->pConnectedTo
)
729 hr
= IBaseFilter_GetState(This
->pinInfo
.pFilter
, 0, &state
);
731 if (SUCCEEDED(hr
) && (state
== State_Stopped
))
733 IPin_Release(This
->pConnectedTo
);
734 This
->pConnectedTo
= NULL
;
735 hr
= Parser_RemoveOutputPins((ParserImpl
*)This
->pinInfo
.pFilter
);
738 hr
= VFW_E_NOT_STOPPED
;
743 LeaveCriticalSection(This
->pCritSec
);
748 static const IPinVtbl Parser_InputPin_Vtbl
=
750 PullPin_QueryInterface
,
754 PullPin_ReceiveConnection
,
755 Parser_InputPin_Disconnect
,
756 IPinImpl_ConnectedTo
,
757 IPinImpl_ConnectionMediaType
,
758 IPinImpl_QueryPinInfo
,
759 IPinImpl_QueryDirection
,
761 IPinImpl_QueryAccept
,
762 IPinImpl_EnumMediaTypes
,
763 IPinImpl_QueryInternalConnections
,