2 * Generic Implementation of IPin Interface
4 * Copyright 2003 Robert Shearman
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 #include "quartz_private.h"
24 #include "wine/debug.h"
25 #include "wine/unicode.h"
30 WINE_DEFAULT_DEBUG_CHANNEL(quartz
);
32 static const IPinVtbl InputPin_Vtbl
;
33 static const IPinVtbl OutputPin_Vtbl
;
34 static const IMemInputPinVtbl MemInputPin_Vtbl
;
35 static const IPinVtbl PullPin_Vtbl
;
37 #define ALIGNDOWN(value,boundary) ((value) & ~(boundary-1))
38 #define ALIGNUP(value,boundary) (ALIGNDOWN(value - 1, boundary) + boundary)
40 static inline InputPin
*impl_from_IMemInputPin( IMemInputPin
*iface
)
42 return (InputPin
*)((char*)iface
- FIELD_OFFSET(InputPin
, lpVtblMemInput
));
46 static void Copy_PinInfo(PIN_INFO
* pDest
, const PIN_INFO
* pSrc
)
48 /* Tempting to just do a memcpy, but the name field is
49 128 characters long! We will probably never exceed 10
50 most of the time, so we are better off copying
51 each field manually */
52 strcpyW(pDest
->achName
, pSrc
->achName
);
53 pDest
->dir
= pSrc
->dir
;
54 pDest
->pFilter
= pSrc
->pFilter
;
57 /* Function called as a helper to IPin_Connect */
58 /* specific AM_MEDIA_TYPE - it cannot be NULL */
59 /* NOTE: not part of standard interface */
60 static HRESULT
OutputPin_ConnectSpecific(IPin
* iface
, IPin
* pReceivePin
, const AM_MEDIA_TYPE
* pmt
)
62 OutputPin
*This
= (OutputPin
*)iface
;
64 IMemAllocator
* pMemAlloc
= NULL
;
65 ALLOCATOR_PROPERTIES actual
; /* FIXME: should we put the actual props back in to This? */
67 TRACE("(%p, %p)\n", pReceivePin
, pmt
);
68 dump_AM_MEDIA_TYPE(pmt
);
70 /* FIXME: call queryacceptproc */
72 This
->pin
.pConnectedTo
= pReceivePin
;
73 IPin_AddRef(pReceivePin
);
74 CopyMediaType(&This
->pin
.mtCurrent
, pmt
);
76 hr
= IPin_ReceiveConnection(pReceivePin
, iface
, pmt
);
78 /* get the IMemInputPin interface we will use to deliver samples to the
82 This
->pMemInputPin
= NULL
;
83 hr
= IPin_QueryInterface(pReceivePin
, &IID_IMemInputPin
, (LPVOID
)&This
->pMemInputPin
);
87 hr
= IMemInputPin_GetAllocator(This
->pMemInputPin
, &pMemAlloc
);
89 if (hr
== VFW_E_NO_ALLOCATOR
)
91 /* Input pin provides no allocator, use standard memory allocator */
92 hr
= CoCreateInstance(&CLSID_MemoryAllocator
, NULL
, CLSCTX_INPROC_SERVER
, &IID_IMemAllocator
, (LPVOID
*)&pMemAlloc
);
96 hr
= IMemInputPin_NotifyAllocator(This
->pMemInputPin
, pMemAlloc
, FALSE
);
101 hr
= IMemAllocator_SetProperties(pMemAlloc
, &This
->allocProps
, &actual
);
104 IMemAllocator_Release(pMemAlloc
);
107 /* break connection if we couldn't get the allocator */
110 if (This
->pMemInputPin
)
111 IMemInputPin_Release(This
->pMemInputPin
);
112 This
->pMemInputPin
= NULL
;
114 IPin_Disconnect(pReceivePin
);
120 IPin_Release(This
->pin
.pConnectedTo
);
121 This
->pin
.pConnectedTo
= NULL
;
122 FreeMediaType(&This
->pin
.mtCurrent
);
125 TRACE(" -- %x\n", hr
);
129 HRESULT
InputPin_Construct(const PIN_INFO
* pPinInfo
, SAMPLEPROC pSampleProc
, LPVOID pUserData
, QUERYACCEPTPROC pQueryAccept
, LPCRITICAL_SECTION pCritSec
, IPin
** ppPin
)
135 if (pPinInfo
->dir
!= PINDIR_INPUT
)
137 ERR("Pin direction(%x) != PINDIR_INPUT\n", pPinInfo
->dir
);
141 pPinImpl
= CoTaskMemAlloc(sizeof(*pPinImpl
));
144 return E_OUTOFMEMORY
;
146 if (SUCCEEDED(InputPin_Init(pPinInfo
, pSampleProc
, pUserData
, pQueryAccept
, pCritSec
, pPinImpl
)))
148 pPinImpl
->pin
.lpVtbl
= &InputPin_Vtbl
;
149 pPinImpl
->lpVtblMemInput
= &MemInputPin_Vtbl
;
151 *ppPin
= (IPin
*)(&pPinImpl
->pin
.lpVtbl
);
157 /* Note that we don't init the vtables here (like C++ constructor) */
158 HRESULT
InputPin_Init(const PIN_INFO
* pPinInfo
, SAMPLEPROC pSampleProc
, LPVOID pUserData
, QUERYACCEPTPROC pQueryAccept
, LPCRITICAL_SECTION pCritSec
, InputPin
* pPinImpl
)
162 /* Common attributes */
163 pPinImpl
->pin
.refCount
= 1;
164 pPinImpl
->pin
.pConnectedTo
= NULL
;
165 pPinImpl
->pin
.fnQueryAccept
= pQueryAccept
;
166 pPinImpl
->pin
.pUserData
= pUserData
;
167 pPinImpl
->pin
.pCritSec
= pCritSec
;
168 Copy_PinInfo(&pPinImpl
->pin
.pinInfo
, pPinInfo
);
169 ZeroMemory(&pPinImpl
->pin
.mtCurrent
, sizeof(AM_MEDIA_TYPE
));
171 /* Input pin attributes */
172 pPinImpl
->fnSampleProc
= pSampleProc
;
173 pPinImpl
->pAllocator
= NULL
;
174 pPinImpl
->tStart
= 0;
181 HRESULT
OutputPin_Init(const PIN_INFO
* pPinInfo
, ALLOCATOR_PROPERTIES
* props
, LPVOID pUserData
, QUERYACCEPTPROC pQueryAccept
, LPCRITICAL_SECTION pCritSec
, OutputPin
* pPinImpl
)
185 /* Common attributes */
186 pPinImpl
->pin
.lpVtbl
= &OutputPin_Vtbl
;
187 pPinImpl
->pin
.refCount
= 1;
188 pPinImpl
->pin
.pConnectedTo
= NULL
;
189 pPinImpl
->pin
.fnQueryAccept
= pQueryAccept
;
190 pPinImpl
->pin
.pUserData
= pUserData
;
191 pPinImpl
->pin
.pCritSec
= pCritSec
;
192 Copy_PinInfo(&pPinImpl
->pin
.pinInfo
, pPinInfo
);
193 ZeroMemory(&pPinImpl
->pin
.mtCurrent
, sizeof(AM_MEDIA_TYPE
));
195 /* Output pin attributes */
196 pPinImpl
->pMemInputPin
= NULL
;
197 pPinImpl
->pConnectSpecific
= OutputPin_ConnectSpecific
;
200 memcpy(&pPinImpl
->allocProps
, props
, sizeof(pPinImpl
->allocProps
));
201 if (pPinImpl
->allocProps
.cbAlign
== 0)
202 pPinImpl
->allocProps
.cbAlign
= 1;
205 ZeroMemory(&pPinImpl
->allocProps
, sizeof(pPinImpl
->allocProps
));
210 HRESULT
OutputPin_Construct(const PIN_INFO
* pPinInfo
, ALLOCATOR_PROPERTIES
*props
, LPVOID pUserData
, QUERYACCEPTPROC pQueryAccept
, LPCRITICAL_SECTION pCritSec
, IPin
** ppPin
)
212 OutputPin
* pPinImpl
;
216 if (pPinInfo
->dir
!= PINDIR_OUTPUT
)
218 ERR("Pin direction(%x) != PINDIR_OUTPUT\n", pPinInfo
->dir
);
222 pPinImpl
= CoTaskMemAlloc(sizeof(*pPinImpl
));
225 return E_OUTOFMEMORY
;
227 if (SUCCEEDED(OutputPin_Init(pPinInfo
, props
, pUserData
, pQueryAccept
, pCritSec
, pPinImpl
)))
229 pPinImpl
->pin
.lpVtbl
= &OutputPin_Vtbl
;
231 *ppPin
= (IPin
*)(&pPinImpl
->pin
.lpVtbl
);
237 /*** Common pin functions ***/
239 ULONG WINAPI
IPinImpl_AddRef(IPin
* iface
)
241 IPinImpl
*This
= (IPinImpl
*)iface
;
242 ULONG refCount
= InterlockedIncrement(&This
->refCount
);
244 TRACE("(%p)->() AddRef from %d\n", iface
, refCount
- 1);
249 HRESULT WINAPI
IPinImpl_Disconnect(IPin
* iface
)
252 IPinImpl
*This
= (IPinImpl
*)iface
;
256 EnterCriticalSection(This
->pCritSec
);
258 if (This
->pConnectedTo
)
260 IPin_Release(This
->pConnectedTo
);
261 This
->pConnectedTo
= NULL
;
267 LeaveCriticalSection(This
->pCritSec
);
272 HRESULT WINAPI
IPinImpl_ConnectedTo(IPin
* iface
, IPin
** ppPin
)
275 IPinImpl
*This
= (IPinImpl
*)iface
;
277 /* TRACE("(%p)\n", ppPin);*/
279 EnterCriticalSection(This
->pCritSec
);
281 if (This
->pConnectedTo
)
283 *ppPin
= This
->pConnectedTo
;
288 hr
= VFW_E_NOT_CONNECTED
;
290 LeaveCriticalSection(This
->pCritSec
);
295 HRESULT WINAPI
IPinImpl_ConnectionMediaType(IPin
* iface
, AM_MEDIA_TYPE
* pmt
)
298 IPinImpl
*This
= (IPinImpl
*)iface
;
300 TRACE("(%p/%p)->(%p)\n", This
, iface
, pmt
);
302 EnterCriticalSection(This
->pCritSec
);
304 if (This
->pConnectedTo
)
306 CopyMediaType(pmt
, &This
->mtCurrent
);
311 ZeroMemory(pmt
, sizeof(*pmt
));
312 hr
= VFW_E_NOT_CONNECTED
;
315 LeaveCriticalSection(This
->pCritSec
);
320 HRESULT WINAPI
IPinImpl_QueryPinInfo(IPin
* iface
, PIN_INFO
* pInfo
)
322 IPinImpl
*This
= (IPinImpl
*)iface
;
324 TRACE("(%p/%p)->(%p)\n", This
, iface
, pInfo
);
326 Copy_PinInfo(pInfo
, &This
->pinInfo
);
327 IBaseFilter_AddRef(pInfo
->pFilter
);
332 HRESULT WINAPI
IPinImpl_QueryDirection(IPin
* iface
, PIN_DIRECTION
* pPinDir
)
334 IPinImpl
*This
= (IPinImpl
*)iface
;
336 TRACE("(%p/%p)->(%p)\n", This
, iface
, pPinDir
);
338 *pPinDir
= This
->pinInfo
.dir
;
343 HRESULT WINAPI
IPinImpl_QueryId(IPin
* iface
, LPWSTR
* Id
)
345 IPinImpl
*This
= (IPinImpl
*)iface
;
347 TRACE("(%p/%p)->(%p)\n", This
, iface
, Id
);
349 *Id
= CoTaskMemAlloc((strlenW(This
->pinInfo
.achName
) + 1) * sizeof(WCHAR
));
351 return E_OUTOFMEMORY
;
353 strcpyW(*Id
, This
->pinInfo
.achName
);
358 HRESULT WINAPI
IPinImpl_QueryAccept(IPin
* iface
, const AM_MEDIA_TYPE
* pmt
)
360 IPinImpl
*This
= (IPinImpl
*)iface
;
362 TRACE("(%p/%p)->(%p)\n", This
, iface
, pmt
);
364 return (This
->fnQueryAccept(This
->pUserData
, pmt
) == S_OK
? S_OK
: S_FALSE
);
367 HRESULT WINAPI
IPinImpl_EnumMediaTypes(IPin
* iface
, IEnumMediaTypes
** ppEnum
)
369 IPinImpl
*This
= (IPinImpl
*)iface
;
370 ENUMMEDIADETAILS emd
;
372 TRACE("(%p/%p)->(%p)\n", This
, iface
, ppEnum
);
374 /* override this method to allow enumeration of your types */
376 emd
.pMediaTypes
= NULL
;
378 return IEnumMediaTypesImpl_Construct(&emd
, ppEnum
);
381 HRESULT WINAPI
IPinImpl_QueryInternalConnections(IPin
* iface
, IPin
** apPin
, ULONG
* cPin
)
383 IPinImpl
*This
= (IPinImpl
*)iface
;
385 TRACE("(%p/%p)->(%p, %p)\n", This
, iface
, apPin
, cPin
);
387 return E_NOTIMPL
; /* to tell caller that all input pins connected to all output pins */
390 /*** IPin implementation for an input pin ***/
392 HRESULT WINAPI
InputPin_QueryInterface(IPin
* iface
, REFIID riid
, LPVOID
* ppv
)
394 InputPin
*This
= (InputPin
*)iface
;
396 TRACE("(%p)->(%s, %p)\n", iface
, qzdebugstr_guid(riid
), ppv
);
400 if (IsEqualIID(riid
, &IID_IUnknown
))
401 *ppv
= (LPVOID
)iface
;
402 else if (IsEqualIID(riid
, &IID_IPin
))
403 *ppv
= (LPVOID
)iface
;
404 else if (IsEqualIID(riid
, &IID_IMemInputPin
))
405 *ppv
= (LPVOID
)&This
->lpVtblMemInput
;
409 IUnknown_AddRef((IUnknown
*)(*ppv
));
413 FIXME("No interface for %s!\n", qzdebugstr_guid(riid
));
415 return E_NOINTERFACE
;
418 ULONG WINAPI
InputPin_Release(IPin
* iface
)
420 InputPin
*This
= (InputPin
*)iface
;
421 ULONG refCount
= InterlockedDecrement(&This
->pin
.refCount
);
423 TRACE("(%p)->() Release from %d\n", iface
, refCount
+ 1);
427 FreeMediaType(&This
->pin
.mtCurrent
);
428 if (This
->pAllocator
)
429 IMemAllocator_Release(This
->pAllocator
);
437 HRESULT WINAPI
InputPin_Connect(IPin
* iface
, IPin
* pConnector
, const AM_MEDIA_TYPE
* pmt
)
439 ERR("Outgoing connection on an input pin! (%p, %p)\n", pConnector
, pmt
);
445 HRESULT WINAPI
InputPin_ReceiveConnection(IPin
* iface
, IPin
* pReceivePin
, const AM_MEDIA_TYPE
* pmt
)
447 InputPin
*This
= (InputPin
*)iface
;
448 PIN_DIRECTION pindirReceive
;
451 TRACE("(%p, %p)\n", pReceivePin
, pmt
);
452 dump_AM_MEDIA_TYPE(pmt
);
454 EnterCriticalSection(This
->pin
.pCritSec
);
456 if (This
->pin
.pConnectedTo
)
457 hr
= VFW_E_ALREADY_CONNECTED
;
459 if (SUCCEEDED(hr
) && This
->pin
.fnQueryAccept(This
->pin
.pUserData
, pmt
) != S_OK
)
460 hr
= VFW_E_TYPE_NOT_ACCEPTED
; /* FIXME: shouldn't we just map common errors onto
461 * VFW_E_TYPE_NOT_ACCEPTED and pass the value on otherwise? */
465 IPin_QueryDirection(pReceivePin
, &pindirReceive
);
467 if (pindirReceive
!= PINDIR_OUTPUT
)
469 ERR("Can't connect from non-output pin\n");
470 hr
= VFW_E_INVALID_DIRECTION
;
476 CopyMediaType(&This
->pin
.mtCurrent
, pmt
);
477 This
->pin
.pConnectedTo
= pReceivePin
;
478 IPin_AddRef(pReceivePin
);
481 LeaveCriticalSection(This
->pin
.pCritSec
);
486 HRESULT WINAPI
InputPin_EndOfStream(IPin
* iface
)
493 HRESULT WINAPI
InputPin_BeginFlush(IPin
* iface
)
499 HRESULT WINAPI
InputPin_EndFlush(IPin
* iface
)
505 HRESULT WINAPI
InputPin_NewSegment(IPin
* iface
, REFERENCE_TIME tStart
, REFERENCE_TIME tStop
, double dRate
)
507 InputPin
*This
= (InputPin
*)iface
;
509 TRACE("(%x%08x, %x%08x, %e)\n", (ULONG
)(tStart
>> 32), (ULONG
)tStart
, (ULONG
)(tStop
>> 32), (ULONG
)tStop
, dRate
);
511 This
->tStart
= tStart
;
518 static const IPinVtbl InputPin_Vtbl
=
520 InputPin_QueryInterface
,
524 InputPin_ReceiveConnection
,
526 IPinImpl_ConnectedTo
,
527 IPinImpl_ConnectionMediaType
,
528 IPinImpl_QueryPinInfo
,
529 IPinImpl_QueryDirection
,
531 IPinImpl_QueryAccept
,
532 IPinImpl_EnumMediaTypes
,
533 IPinImpl_QueryInternalConnections
,
534 InputPin_EndOfStream
,
540 /*** IMemInputPin implementation ***/
542 HRESULT WINAPI
MemInputPin_QueryInterface(IMemInputPin
* iface
, REFIID riid
, LPVOID
* ppv
)
544 InputPin
*This
= impl_from_IMemInputPin(iface
);
546 return IPin_QueryInterface((IPin
*)&This
->pin
, riid
, ppv
);
549 ULONG WINAPI
MemInputPin_AddRef(IMemInputPin
* iface
)
551 InputPin
*This
= impl_from_IMemInputPin(iface
);
553 return IPin_AddRef((IPin
*)&This
->pin
);
556 ULONG WINAPI
MemInputPin_Release(IMemInputPin
* iface
)
558 InputPin
*This
= impl_from_IMemInputPin(iface
);
560 return IPin_Release((IPin
*)&This
->pin
);
563 HRESULT WINAPI
MemInputPin_GetAllocator(IMemInputPin
* iface
, IMemAllocator
** ppAllocator
)
565 InputPin
*This
= impl_from_IMemInputPin(iface
);
567 TRACE("(%p/%p)->(%p)\n", This
, iface
, ppAllocator
);
569 *ppAllocator
= This
->pAllocator
;
571 IMemAllocator_AddRef(*ppAllocator
);
573 return *ppAllocator
? S_OK
: VFW_E_NO_ALLOCATOR
;
576 HRESULT WINAPI
MemInputPin_NotifyAllocator(IMemInputPin
* iface
, IMemAllocator
* pAllocator
, BOOL bReadOnly
)
578 InputPin
*This
= impl_from_IMemInputPin(iface
);
580 TRACE("(%p/%p)->(%p, %d)\n", This
, iface
, pAllocator
, bReadOnly
);
582 if (This
->pAllocator
)
583 IMemAllocator_Release(This
->pAllocator
);
584 This
->pAllocator
= pAllocator
;
585 if (This
->pAllocator
)
586 IMemAllocator_AddRef(This
->pAllocator
);
591 HRESULT WINAPI
MemInputPin_GetAllocatorRequirements(IMemInputPin
* iface
, ALLOCATOR_PROPERTIES
* pProps
)
593 InputPin
*This
= impl_from_IMemInputPin(iface
);
595 TRACE("(%p/%p)->(%p)\n", This
, iface
, pProps
);
597 /* override this method if you have any specific requirements */
602 HRESULT WINAPI
MemInputPin_Receive(IMemInputPin
* iface
, IMediaSample
* pSample
)
604 InputPin
*This
= impl_from_IMemInputPin(iface
);
606 /* this trace commented out for performance reasons */
607 /*TRACE("(%p/%p)->(%p)\n", This, iface, pSample);*/
609 return This
->fnSampleProc(This
->pin
.pUserData
, pSample
);
612 HRESULT WINAPI
MemInputPin_ReceiveMultiple(IMemInputPin
* iface
, IMediaSample
** pSamples
, long nSamples
, long *nSamplesProcessed
)
615 InputPin
*This
= impl_from_IMemInputPin(iface
);
617 TRACE("(%p/%p)->(%p, %ld, %p)\n", This
, iface
, pSamples
, nSamples
, nSamplesProcessed
);
619 for (*nSamplesProcessed
= 0; *nSamplesProcessed
< nSamples
; (*nSamplesProcessed
)++)
621 hr
= IMemInputPin_Receive(iface
, pSamples
[*nSamplesProcessed
]);
629 HRESULT WINAPI
MemInputPin_ReceiveCanBlock(IMemInputPin
* iface
)
631 InputPin
*This
= impl_from_IMemInputPin(iface
);
633 FIXME("(%p/%p)->()\n", This
, iface
);
635 /* FIXME: we should check whether any output pins will block */
640 static const IMemInputPinVtbl MemInputPin_Vtbl
=
642 MemInputPin_QueryInterface
,
645 MemInputPin_GetAllocator
,
646 MemInputPin_NotifyAllocator
,
647 MemInputPin_GetAllocatorRequirements
,
649 MemInputPin_ReceiveMultiple
,
650 MemInputPin_ReceiveCanBlock
653 HRESULT WINAPI
OutputPin_QueryInterface(IPin
* iface
, REFIID riid
, LPVOID
* ppv
)
655 OutputPin
*This
= (OutputPin
*)iface
;
657 TRACE("(%p/%p)->(%s, %p)\n", This
, iface
, qzdebugstr_guid(riid
), ppv
);
661 if (IsEqualIID(riid
, &IID_IUnknown
))
662 *ppv
= (LPVOID
)iface
;
663 else if (IsEqualIID(riid
, &IID_IPin
))
664 *ppv
= (LPVOID
)iface
;
668 IUnknown_AddRef((IUnknown
*)(*ppv
));
672 FIXME("No interface for %s!\n", qzdebugstr_guid(riid
));
674 return E_NOINTERFACE
;
677 ULONG WINAPI
OutputPin_Release(IPin
* iface
)
679 OutputPin
*This
= (OutputPin
*)iface
;
680 ULONG refCount
= InterlockedDecrement(&This
->pin
.refCount
);
682 TRACE("(%p)->() Release from %d\n", iface
, refCount
+ 1);
686 FreeMediaType(&This
->pin
.mtCurrent
);
693 HRESULT WINAPI
OutputPin_Connect(IPin
* iface
, IPin
* pReceivePin
, const AM_MEDIA_TYPE
* pmt
)
696 OutputPin
*This
= (OutputPin
*)iface
;
698 TRACE("(%p/%p)->(%p, %p)\n", This
, iface
, pReceivePin
, pmt
);
699 dump_AM_MEDIA_TYPE(pmt
);
701 /* If we try to connect to ourself, we will definitely deadlock.
702 * There are other cases where we could deadlock too, but this
703 * catches the obvious case */
704 assert(pReceivePin
!= iface
);
706 EnterCriticalSection(This
->pin
.pCritSec
);
708 /* if we have been a specific type to connect with, then we can either connect
709 * with that or fail. We cannot choose different AM_MEDIA_TYPE */
710 if (pmt
&& !IsEqualGUID(&pmt
->majortype
, &GUID_NULL
) && !IsEqualGUID(&pmt
->subtype
, &GUID_NULL
))
711 hr
= This
->pConnectSpecific(iface
, pReceivePin
, pmt
);
714 /* negotiate media type */
716 IEnumMediaTypes
* pEnumCandidates
;
717 AM_MEDIA_TYPE
* pmtCandidate
; /* Candidate media type */
719 if (SUCCEEDED(hr
= IPin_EnumMediaTypes(iface
, &pEnumCandidates
)))
721 hr
= VFW_E_NO_ACCEPTABLE_TYPES
; /* Assume the worst, but set to S_OK if connected successfully */
723 /* try this filter's media types first */
724 while (S_OK
== IEnumMediaTypes_Next(pEnumCandidates
, 1, &pmtCandidate
, NULL
))
726 if (( !pmt
|| CompareMediaTypes(pmt
, pmtCandidate
, TRUE
) ) &&
727 (This
->pConnectSpecific(iface
, pReceivePin
, pmtCandidate
) == S_OK
))
730 CoTaskMemFree(pmtCandidate
);
733 CoTaskMemFree(pmtCandidate
);
735 IEnumMediaTypes_Release(pEnumCandidates
);
738 /* then try receiver filter's media types */
739 if (hr
!= S_OK
&& SUCCEEDED(hr
= IPin_EnumMediaTypes(pReceivePin
, &pEnumCandidates
))) /* if we haven't already connected successfully */
741 hr
= VFW_E_NO_ACCEPTABLE_TYPES
; /* Assume the worst, but set to S_OK if connected successfully */
743 while (S_OK
== IEnumMediaTypes_Next(pEnumCandidates
, 1, &pmtCandidate
, NULL
))
745 if (( !pmt
|| CompareMediaTypes(pmt
, pmtCandidate
, TRUE
) ) &&
746 (This
->pConnectSpecific(iface
, pReceivePin
, pmtCandidate
) == S_OK
))
749 CoTaskMemFree(pmtCandidate
);
752 CoTaskMemFree(pmtCandidate
);
754 IEnumMediaTypes_Release(pEnumCandidates
);
756 } /* if negotiate media type */
758 LeaveCriticalSection(This
->pin
.pCritSec
);
760 TRACE(" -- %x\n", hr
);
764 HRESULT WINAPI
OutputPin_ReceiveConnection(IPin
* iface
, IPin
* pReceivePin
, const AM_MEDIA_TYPE
* pmt
)
766 ERR("Incoming connection on an output pin! (%p, %p)\n", pReceivePin
, pmt
);
771 HRESULT WINAPI
OutputPin_Disconnect(IPin
* iface
)
774 OutputPin
*This
= (OutputPin
*)iface
;
778 EnterCriticalSection(This
->pin
.pCritSec
);
780 if (This
->pMemInputPin
)
782 IMemInputPin_Release(This
->pMemInputPin
);
783 This
->pMemInputPin
= NULL
;
785 if (This
->pin
.pConnectedTo
)
787 IPin_Release(This
->pin
.pConnectedTo
);
788 This
->pin
.pConnectedTo
= NULL
;
794 LeaveCriticalSection(This
->pin
.pCritSec
);
799 HRESULT WINAPI
OutputPin_EndOfStream(IPin
* iface
)
803 /* not supposed to do anything in an output pin */
808 HRESULT WINAPI
OutputPin_BeginFlush(IPin
* iface
)
810 TRACE("(%p)->()\n", iface
);
812 /* not supposed to do anything in an output pin */
817 HRESULT WINAPI
OutputPin_EndFlush(IPin
* iface
)
819 TRACE("(%p)->()\n", iface
);
821 /* not supposed to do anything in an output pin */
826 HRESULT WINAPI
OutputPin_NewSegment(IPin
* iface
, REFERENCE_TIME tStart
, REFERENCE_TIME tStop
, double dRate
)
828 TRACE("(%p)->(%x%08x, %x%08x, %e)\n", iface
, (ULONG
)(tStart
>> 32), (ULONG
)tStart
, (ULONG
)(tStop
>> 32), (ULONG
)tStop
, dRate
);
830 /* not supposed to do anything in an output pin */
835 static const IPinVtbl OutputPin_Vtbl
=
837 OutputPin_QueryInterface
,
841 OutputPin_ReceiveConnection
,
842 OutputPin_Disconnect
,
843 IPinImpl_ConnectedTo
,
844 IPinImpl_ConnectionMediaType
,
845 IPinImpl_QueryPinInfo
,
846 IPinImpl_QueryDirection
,
848 IPinImpl_QueryAccept
,
849 IPinImpl_EnumMediaTypes
,
850 IPinImpl_QueryInternalConnections
,
851 OutputPin_EndOfStream
,
852 OutputPin_BeginFlush
,
857 HRESULT
OutputPin_GetDeliveryBuffer(OutputPin
* This
, IMediaSample
** ppSample
, REFERENCE_TIME
* tStart
, REFERENCE_TIME
* tStop
, DWORD dwFlags
)
861 TRACE("(%p, %p, %p, %x)\n", ppSample
, tStart
, tStop
, dwFlags
);
863 EnterCriticalSection(This
->pin
.pCritSec
);
865 if (!This
->pin
.pConnectedTo
)
866 hr
= VFW_E_NOT_CONNECTED
;
869 IMemAllocator
* pAlloc
= NULL
;
871 hr
= IMemInputPin_GetAllocator(This
->pMemInputPin
, &pAlloc
);
874 hr
= IMemAllocator_GetBuffer(pAlloc
, ppSample
, tStart
, tStop
, dwFlags
);
877 hr
= IMediaSample_SetTime(*ppSample
, tStart
, tStop
);
880 IMemAllocator_Release(pAlloc
);
883 LeaveCriticalSection(This
->pin
.pCritSec
);
888 HRESULT
OutputPin_SendSample(OutputPin
* This
, IMediaSample
* pSample
)
891 IMemInputPin
* pMemConnected
= NULL
;
894 EnterCriticalSection(This
->pin
.pCritSec
);
896 if (!This
->pin
.pConnectedTo
|| !This
->pMemInputPin
)
897 hr
= VFW_E_NOT_CONNECTED
;
900 /* we don't have the lock held when using This->pMemInputPin,
901 * so we need to AddRef it to stop it being deleted while we are
902 * using it. Same with its filter. */
903 pMemConnected
= This
->pMemInputPin
;
904 IMemInputPin_AddRef(pMemConnected
);
905 hr
= IPin_QueryPinInfo(This
->pin
.pConnectedTo
, &pinInfo
);
908 LeaveCriticalSection(This
->pin
.pCritSec
);
912 /* NOTE: if we are in a critical section when Receive is called
913 * then it causes some problems (most notably with the native Video
914 * Renderer) if we are re-entered for whatever reason */
915 hr
= IMemInputPin_Receive(pMemConnected
, pSample
);
916 IBaseFilter_Release(pinInfo
.pFilter
);
919 IMemInputPin_Release(pMemConnected
);
924 HRESULT
OutputPin_DeliverNewSegment(OutputPin
* This
, REFERENCE_TIME tStart
, REFERENCE_TIME tStop
, double dRate
)
928 EnterCriticalSection(This
->pin
.pCritSec
);
930 if (!This
->pin
.pConnectedTo
)
931 hr
= VFW_E_NOT_CONNECTED
;
933 hr
= IPin_NewSegment(This
->pin
.pConnectedTo
, tStart
, tStop
, dRate
);
935 LeaveCriticalSection(This
->pin
.pCritSec
);
940 HRESULT
OutputPin_CommitAllocator(OutputPin
* This
)
944 TRACE("(%p)->()\n", This
);
946 EnterCriticalSection(This
->pin
.pCritSec
);
948 if (!This
->pin
.pConnectedTo
|| !This
->pMemInputPin
)
949 hr
= VFW_E_NOT_CONNECTED
;
952 IMemAllocator
* pAlloc
= NULL
;
954 hr
= IMemInputPin_GetAllocator(This
->pMemInputPin
, &pAlloc
);
957 hr
= IMemAllocator_Commit(pAlloc
);
960 IMemAllocator_Release(pAlloc
);
963 LeaveCriticalSection(This
->pin
.pCritSec
);
968 HRESULT
OutputPin_DeliverDisconnect(OutputPin
* This
)
972 TRACE("(%p)->()\n", This
);
974 EnterCriticalSection(This
->pin
.pCritSec
);
976 if (!This
->pin
.pConnectedTo
|| !This
->pMemInputPin
)
977 hr
= VFW_E_NOT_CONNECTED
;
980 IMemAllocator
* pAlloc
= NULL
;
982 hr
= IMemInputPin_GetAllocator(This
->pMemInputPin
, &pAlloc
);
985 hr
= IMemAllocator_Decommit(pAlloc
);
988 IMemAllocator_Release(pAlloc
);
991 hr
= IPin_Disconnect(This
->pin
.pConnectedTo
);
994 LeaveCriticalSection(This
->pin
.pCritSec
);
1000 HRESULT
PullPin_Construct(const PIN_INFO
* pPinInfo
, SAMPLEPROC pSampleProc
, LPVOID pUserData
, QUERYACCEPTPROC pQueryAccept
, LPCRITICAL_SECTION pCritSec
, IPin
** ppPin
)
1006 if (pPinInfo
->dir
!= PINDIR_INPUT
)
1008 ERR("Pin direction(%x) != PINDIR_INPUT\n", pPinInfo
->dir
);
1009 return E_INVALIDARG
;
1012 pPinImpl
= CoTaskMemAlloc(sizeof(*pPinImpl
));
1015 return E_OUTOFMEMORY
;
1017 if (SUCCEEDED(PullPin_Init(pPinInfo
, pSampleProc
, pUserData
, pQueryAccept
, pCritSec
, pPinImpl
)))
1019 pPinImpl
->pin
.lpVtbl
= &PullPin_Vtbl
;
1021 *ppPin
= (IPin
*)(&pPinImpl
->pin
.lpVtbl
);
1027 HRESULT
PullPin_Init(const PIN_INFO
* pPinInfo
, SAMPLEPROC pSampleProc
, LPVOID pUserData
, QUERYACCEPTPROC pQueryAccept
, LPCRITICAL_SECTION pCritSec
, PullPin
* pPinImpl
)
1029 /* Common attributes */
1030 pPinImpl
->pin
.refCount
= 1;
1031 pPinImpl
->pin
.pConnectedTo
= NULL
;
1032 pPinImpl
->pin
.fnQueryAccept
= pQueryAccept
;
1033 pPinImpl
->pin
.pUserData
= pUserData
;
1034 pPinImpl
->pin
.pCritSec
= pCritSec
;
1035 Copy_PinInfo(&pPinImpl
->pin
.pinInfo
, pPinInfo
);
1036 ZeroMemory(&pPinImpl
->pin
.mtCurrent
, sizeof(AM_MEDIA_TYPE
));
1038 /* Input pin attributes */
1039 pPinImpl
->fnSampleProc
= pSampleProc
;
1040 pPinImpl
->fnPreConnect
= NULL
;
1041 pPinImpl
->pAlloc
= NULL
;
1042 pPinImpl
->pReader
= NULL
;
1043 pPinImpl
->hThread
= NULL
;
1044 pPinImpl
->hEventStateChanged
= CreateEventW(NULL
, FALSE
, TRUE
, NULL
);
1046 pPinImpl
->rtStart
= 0;
1047 pPinImpl
->rtCurrent
= 0;
1048 pPinImpl
->rtStop
= ((LONGLONG
)0x7fffffff << 32) | 0xffffffff;
1053 HRESULT WINAPI
PullPin_ReceiveConnection(IPin
* iface
, IPin
* pReceivePin
, const AM_MEDIA_TYPE
* pmt
)
1055 PIN_DIRECTION pindirReceive
;
1057 PullPin
*This
= (PullPin
*)iface
;
1059 TRACE("(%p/%p)->(%p, %p)\n", This
, iface
, pReceivePin
, pmt
);
1060 dump_AM_MEDIA_TYPE(pmt
);
1062 EnterCriticalSection(This
->pin
.pCritSec
);
1064 if (This
->pin
.pConnectedTo
)
1065 hr
= VFW_E_ALREADY_CONNECTED
;
1067 if (SUCCEEDED(hr
) && (This
->pin
.fnQueryAccept(This
->pin
.pUserData
, pmt
) != S_OK
))
1068 hr
= VFW_E_TYPE_NOT_ACCEPTED
; /* FIXME: shouldn't we just map common errors onto
1069 * VFW_E_TYPE_NOT_ACCEPTED and pass the value on otherwise? */
1073 IPin_QueryDirection(pReceivePin
, &pindirReceive
);
1075 if (pindirReceive
!= PINDIR_OUTPUT
)
1077 ERR("Can't connect from non-output pin\n");
1078 hr
= VFW_E_INVALID_DIRECTION
;
1082 This
->pReader
= NULL
;
1083 This
->pAlloc
= NULL
;
1086 hr
= IPin_QueryInterface(pReceivePin
, &IID_IAsyncReader
, (LPVOID
*)&This
->pReader
);
1091 ALLOCATOR_PROPERTIES props
;
1093 props
.cbBuffer
= 64 * 1024; /* 64k bytes */
1096 hr
= IAsyncReader_RequestAllocator(This
->pReader
, NULL
, &props
, &This
->pAlloc
);
1099 if (SUCCEEDED(hr
) && This
->fnPreConnect
)
1101 hr
= This
->fnPreConnect(iface
, pReceivePin
);
1106 CopyMediaType(&This
->pin
.mtCurrent
, pmt
);
1107 This
->pin
.pConnectedTo
= pReceivePin
;
1108 IPin_AddRef(pReceivePin
);
1113 IAsyncReader_Release(This
->pReader
);
1114 This
->pReader
= NULL
;
1116 IMemAllocator_Release(This
->pAlloc
);
1117 This
->pAlloc
= NULL
;
1120 LeaveCriticalSection(This
->pin
.pCritSec
);
1124 HRESULT WINAPI
PullPin_QueryInterface(IPin
* iface
, REFIID riid
, LPVOID
* ppv
)
1126 PullPin
*This
= (PullPin
*)iface
;
1128 TRACE("(%p/%p)->(%s, %p)\n", This
, iface
, qzdebugstr_guid(riid
), ppv
);
1132 if (IsEqualIID(riid
, &IID_IUnknown
))
1133 *ppv
= (LPVOID
)iface
;
1134 else if (IsEqualIID(riid
, &IID_IPin
))
1135 *ppv
= (LPVOID
)iface
;
1139 IUnknown_AddRef((IUnknown
*)(*ppv
));
1143 FIXME("No interface for %s!\n", qzdebugstr_guid(riid
));
1145 return E_NOINTERFACE
;
1148 ULONG WINAPI
PullPin_Release(IPin
* iface
)
1150 PullPin
*This
= (PullPin
*)iface
;
1151 ULONG refCount
= InterlockedDecrement(&This
->pin
.refCount
);
1153 TRACE("(%p)->() Release from %d\n", This
, refCount
+ 1);
1158 PullPin_StopProcessing(This
);
1160 IMemAllocator_Release(This
->pAlloc
);
1162 IAsyncReader_Release(This
->pReader
);
1163 CloseHandle(This
->hEventStateChanged
);
1164 CoTaskMemFree(This
);
1170 static DWORD WINAPI
PullPin_Thread_Main(LPVOID pv
)
1173 SleepEx(INFINITE
, TRUE
);
1176 static void CALLBACK
PullPin_Thread_Process(ULONG_PTR iface
)
1178 PullPin
*This
= (PullPin
*)iface
;
1181 ALLOCATOR_PROPERTIES allocProps
;
1184 CoInitializeEx(NULL
, COINIT_MULTITHREADED
);
1186 SetEvent(This
->hEventStateChanged
);
1188 hr
= IMemAllocator_GetProperties(This
->pAlloc
, &allocProps
);
1190 if (This
->rtCurrent
< This
->rtStart
)
1191 This
->rtCurrent
= MEDIATIME_FROM_BYTES(ALIGNDOWN(BYTES_FROM_MEDIATIME(This
->rtStart
), allocProps
.cbAlign
));
1195 while (This
->rtCurrent
< This
->rtStop
&& hr
== S_OK
)
1197 /* FIXME: to improve performance by quite a bit this should be changed
1198 * so that one sample is processed while one sample is fetched. However,
1199 * it is harder to debug so for the moment it will stay as it is */
1200 IMediaSample
* pSample
= NULL
;
1201 REFERENCE_TIME rtSampleStart
;
1202 REFERENCE_TIME rtSampleStop
;
1205 pinInfo
.pFilter
= NULL
;
1207 TRACE("Process sample\n");
1209 hr
= IMemAllocator_GetBuffer(This
->pAlloc
, &pSample
, NULL
, NULL
, 0);
1213 rtSampleStart
= This
->rtCurrent
;
1214 rtSampleStop
= rtSampleStart
+ MEDIATIME_FROM_BYTES(IMediaSample_GetSize(pSample
));
1215 if (rtSampleStop
> This
->rtStop
)
1216 rtSampleStop
= MEDIATIME_FROM_BYTES(ALIGNUP(BYTES_FROM_MEDIATIME(This
->rtStop
), allocProps
.cbAlign
));
1217 hr
= IMediaSample_SetTime(pSample
, &rtSampleStart
, &rtSampleStop
);
1218 This
->rtCurrent
= rtSampleStop
;
1222 hr
= IAsyncReader_Request(This
->pReader
, pSample
, (ULONG_PTR
)0);
1225 hr
= IAsyncReader_WaitForNext(This
->pReader
, 10000, &pSample
, &dwUser
);
1228 hr
= IPin_QueryPinInfo((IPin
*)&This
->pin
, &pinInfo
);
1232 rtSampleStop
= rtSampleStart
+ MEDIATIME_FROM_BYTES(IMediaSample_GetActualDataLength(pSample
));
1233 if (rtSampleStop
> This
->rtStop
)
1234 rtSampleStop
= MEDIATIME_FROM_BYTES(ALIGNUP(BYTES_FROM_MEDIATIME(This
->rtStop
), allocProps
.cbAlign
));
1235 hr
= IMediaSample_SetTime(pSample
, &rtSampleStart
, &rtSampleStop
);
1239 hr
= This
->fnSampleProc(This
->pin
.pUserData
, pSample
);
1241 ERR("Processing error: %x\n", hr
);
1243 if (pinInfo
.pFilter
)
1244 IBaseFilter_Release(pinInfo
.pFilter
);
1246 IMediaSample_Release(pSample
);
1254 static void CALLBACK
PullPin_Thread_Stop(ULONG_PTR iface
)
1256 PullPin
*This
= (PullPin
*)iface
;
1258 TRACE("(%p/%p)->()\n", This
, (LPVOID
)iface
);
1260 EnterCriticalSection(This
->pin
.pCritSec
);
1264 CloseHandle(This
->hThread
);
1265 This
->hThread
= NULL
;
1266 if (FAILED(hr
= IMemAllocator_Decommit(This
->pAlloc
)))
1267 ERR("Allocator decommit failed with error %x. Possible memory leak\n", hr
);
1269 LeaveCriticalSection(This
->pin
.pCritSec
);
1271 SetEvent(This
->hEventStateChanged
);
1276 HRESULT
PullPin_InitProcessing(PullPin
* This
)
1280 TRACE("(%p)->()\n", This
);
1282 assert(!This
->hThread
);
1284 /* if we are connected */
1287 EnterCriticalSection(This
->pin
.pCritSec
);
1290 assert(!This
->hThread
);
1292 This
->hThread
= CreateThread(NULL
, 0, PullPin_Thread_Main
, NULL
, 0, &dwThreadId
);
1294 hr
= HRESULT_FROM_WIN32(GetLastError());
1297 hr
= IMemAllocator_Commit(This
->pAlloc
);
1299 LeaveCriticalSection(This
->pin
.pCritSec
);
1302 TRACE(" -- %x\n", hr
);
1307 HRESULT
PullPin_StartProcessing(PullPin
* This
)
1309 /* if we are connected */
1310 TRACE("(%p)->()\n", This
);
1313 assert(This
->hThread
);
1315 ResetEvent(This
->hEventStateChanged
);
1317 if (!QueueUserAPC(PullPin_Thread_Process
, This
->hThread
, (ULONG_PTR
)This
))
1318 return HRESULT_FROM_WIN32(GetLastError());
1324 HRESULT
PullPin_PauseProcessing(PullPin
* This
)
1326 /* make the processing function exit its loop */
1332 HRESULT
PullPin_StopProcessing(PullPin
* This
)
1334 /* if we are connected */
1337 assert(This
->hThread
);
1339 ResetEvent(This
->hEventStateChanged
);
1341 PullPin_PauseProcessing(This
);
1343 if (!QueueUserAPC(PullPin_Thread_Stop
, This
->hThread
, (ULONG_PTR
)This
))
1344 return HRESULT_FROM_WIN32(GetLastError());
1350 HRESULT
PullPin_WaitForStateChange(PullPin
* This
, DWORD dwMilliseconds
)
1352 if (WaitForSingleObject(This
->hEventStateChanged
, dwMilliseconds
) == WAIT_TIMEOUT
)
1357 HRESULT
PullPin_Seek(PullPin
* This
, REFERENCE_TIME rtStart
, REFERENCE_TIME rtStop
)
1359 FIXME("(%p)->(%x%08x, %x%08x)\n", This
, (LONG
)(rtStart
>> 32), (LONG
)rtStart
, (LONG
)(rtStop
>> 32), (LONG
)rtStop
);
1361 PullPin_BeginFlush((IPin
*)This
);
1362 /* FIXME: need critical section? */
1363 This
->rtStart
= rtStart
;
1364 This
->rtStop
= rtStop
;
1365 PullPin_EndFlush((IPin
*)This
);
1370 HRESULT WINAPI
PullPin_EndOfStream(IPin
* iface
)
1372 FIXME("(%p)->()\n", iface
);
1376 HRESULT WINAPI
PullPin_BeginFlush(IPin
* iface
)
1378 FIXME("(%p)->()\n", iface
);
1382 HRESULT WINAPI
PullPin_EndFlush(IPin
* iface
)
1384 FIXME("(%p)->()\n", iface
);
1388 HRESULT WINAPI
PullPin_NewSegment(IPin
* iface
, REFERENCE_TIME tStart
, REFERENCE_TIME tStop
, double dRate
)
1390 FIXME("(%p)->(%s, %s, %g)\n", iface
, wine_dbgstr_longlong(tStart
), wine_dbgstr_longlong(tStop
), dRate
);
1394 static const IPinVtbl PullPin_Vtbl
=
1396 PullPin_QueryInterface
,
1400 PullPin_ReceiveConnection
,
1401 IPinImpl_Disconnect
,
1402 IPinImpl_ConnectedTo
,
1403 IPinImpl_ConnectionMediaType
,
1404 IPinImpl_QueryPinInfo
,
1405 IPinImpl_QueryDirection
,
1407 IPinImpl_QueryAccept
,
1408 IPinImpl_EnumMediaTypes
,
1409 IPinImpl_QueryInternalConnections
,
1410 PullPin_EndOfStream
,