2 * Transform Filter (Base for decoders, etc...)
4 * Copyright 2005 Christian Costa
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
23 #include "quartz_private.h"
24 #include "control_private.h"
36 #include "wine/unicode.h"
37 #include "wine/debug.h"
39 #include "transform.h"
41 WINE_DEFAULT_DEBUG_CHANNEL(quartz
);
43 static const WCHAR wcsInputPinName
[] = {'i','n','p','u','t',' ','p','i','n',0};
44 static const WCHAR wcsOutputPinName
[] = {'o','u','t','p','u','t',' ','p','i','n',0};
46 static const IBaseFilterVtbl TransformFilter_Vtbl
;
47 static const IPinVtbl TransformFilter_InputPin_Vtbl
;
48 static const IMemInputPinVtbl MemInputPin_Vtbl
;
49 static const IPinVtbl TransformFilter_OutputPin_Vtbl
;
51 static HRESULT
TransformFilter_Input_QueryAccept(LPVOID iface
, const AM_MEDIA_TYPE
* pmt
)
53 TransformFilterImpl
* This
= (TransformFilterImpl
*)((IPinImpl
*)iface
)->pinInfo
.pFilter
;
55 dump_AM_MEDIA_TYPE(pmt
);
57 if (This
->pFuncsTable
->pfnQueryConnect
)
58 return This
->pFuncsTable
->pfnQueryConnect(This
, pmt
);
59 /* Assume OK if there's no query method (the connection will fail if
65 static HRESULT
TransformFilter_Output_QueryAccept(LPVOID iface
, const AM_MEDIA_TYPE
* pmt
)
67 TransformFilterImpl
* pTransformFilter
= (TransformFilterImpl
*)iface
;
68 AM_MEDIA_TYPE
* outpmt
= &pTransformFilter
->pmt
;
71 if (IsEqualIID(&pmt
->majortype
, &outpmt
->majortype
)
72 && (IsEqualIID(&pmt
->subtype
, &outpmt
->subtype
) || IsEqualIID(&outpmt
->subtype
, &GUID_NULL
)))
78 static inline TransformFilterImpl
*impl_from_IMediaSeeking( IMediaSeeking
*iface
)
80 return (TransformFilterImpl
*)((char*)iface
- FIELD_OFFSET(TransformFilterImpl
, mediaSeeking
.lpVtbl
));
83 static HRESULT WINAPI
TransformFilter_Seeking_QueryInterface(IMediaSeeking
* iface
, REFIID riid
, LPVOID
* ppv
)
85 TransformFilterImpl
*This
= impl_from_IMediaSeeking(iface
);
87 return IUnknown_QueryInterface((IUnknown
*)This
, riid
, ppv
);
90 static ULONG WINAPI
TransformFilter_Seeking_AddRef(IMediaSeeking
* iface
)
92 TransformFilterImpl
*This
= impl_from_IMediaSeeking(iface
);
94 return IUnknown_AddRef((IUnknown
*)This
);
97 static ULONG WINAPI
TransformFilter_Seeking_Release(IMediaSeeking
* iface
)
99 TransformFilterImpl
*This
= impl_from_IMediaSeeking(iface
);
101 return IUnknown_Release((IUnknown
*)This
);
104 static const IMediaSeekingVtbl TransformFilter_Seeking_Vtbl
=
106 TransformFilter_Seeking_QueryInterface
,
107 TransformFilter_Seeking_AddRef
,
108 TransformFilter_Seeking_Release
,
109 MediaSeekingImpl_GetCapabilities
,
110 MediaSeekingImpl_CheckCapabilities
,
111 MediaSeekingImpl_IsFormatSupported
,
112 MediaSeekingImpl_QueryPreferredFormat
,
113 MediaSeekingImpl_GetTimeFormat
,
114 MediaSeekingImpl_IsUsingTimeFormat
,
115 MediaSeekingImpl_SetTimeFormat
,
116 MediaSeekingImpl_GetDuration
,
117 MediaSeekingImpl_GetStopPosition
,
118 MediaSeekingImpl_GetCurrentPosition
,
119 MediaSeekingImpl_ConvertTimeFormat
,
120 MediaSeekingImpl_SetPositions
,
121 MediaSeekingImpl_GetPositions
,
122 MediaSeekingImpl_GetAvailable
,
123 MediaSeekingImpl_SetRate
,
124 MediaSeekingImpl_GetRate
,
125 MediaSeekingImpl_GetPreroll
128 /* These shouldn't be implemented by default.
129 * Usually only source filters should implement these
130 * and even it's not needed all of the time
132 static HRESULT
TransformFilter_ChangeCurrent(IBaseFilter
*iface
)
134 TRACE("(%p) filter hasn't implemented current position change!\n", iface
);
138 static HRESULT
TransformFilter_ChangeStop(IBaseFilter
*iface
)
140 TRACE("(%p) filter hasn't implemented stop position change!\n", iface
);
144 static HRESULT
TransformFilter_ChangeRate(IBaseFilter
*iface
)
146 TRACE("(%p) filter hasn't implemented rate change!\n", iface
);
150 HRESULT
TransformFilter_Create(TransformFilterImpl
* pTransformFilter
, const CLSID
* pClsid
, const TransformFuncsTable
* pFuncsTable
, CHANGEPROC stop
, CHANGEPROC current
, CHANGEPROC rate
)
156 /* pTransformFilter is already allocated */
157 pTransformFilter
->clsid
= *pClsid
;
158 pTransformFilter
->pFuncsTable
= pFuncsTable
;
160 pTransformFilter
->lpVtbl
= &TransformFilter_Vtbl
;
162 pTransformFilter
->refCount
= 1;
163 InitializeCriticalSection(&pTransformFilter
->csFilter
);
164 pTransformFilter
->csFilter
.DebugInfo
->Spare
[0] = (DWORD_PTR
)(__FILE__
": TransformFilterImpl.csFilter");
165 pTransformFilter
->state
= State_Stopped
;
166 pTransformFilter
->pClock
= NULL
;
167 ZeroMemory(&pTransformFilter
->filterInfo
, sizeof(FILTER_INFO
));
168 ZeroMemory(&pTransformFilter
->pmt
, sizeof(pTransformFilter
->pmt
));
169 pTransformFilter
->npins
= 2;
171 pTransformFilter
->ppPins
= CoTaskMemAlloc(2 * sizeof(IPin
*));
173 /* construct input pin */
174 piInput
.dir
= PINDIR_INPUT
;
175 piInput
.pFilter
= (IBaseFilter
*)pTransformFilter
;
176 lstrcpynW(piInput
.achName
, wcsInputPinName
, sizeof(piInput
.achName
) / sizeof(piInput
.achName
[0]));
177 piOutput
.dir
= PINDIR_OUTPUT
;
178 piOutput
.pFilter
= (IBaseFilter
*)pTransformFilter
;
179 lstrcpynW(piOutput
.achName
, wcsOutputPinName
, sizeof(piOutput
.achName
) / sizeof(piOutput
.achName
[0]));
181 hr
= InputPin_Construct(&TransformFilter_InputPin_Vtbl
, &piInput
, (SAMPLEPROC_PUSH
)pFuncsTable
->pfnProcessSampleData
, NULL
, TransformFilter_Input_QueryAccept
, NULL
, &pTransformFilter
->csFilter
, NULL
, &pTransformFilter
->ppPins
[0]);
185 ALLOCATOR_PROPERTIES props
;
188 props
.cbBuffer
= 0; /* Will be updated at connection time */
191 ((InputPin
*)pTransformFilter
->ppPins
[0])->pin
.pUserData
= pTransformFilter
->ppPins
[0];
193 hr
= OutputPin_Construct(&TransformFilter_OutputPin_Vtbl
, sizeof(OutputPin
), &piOutput
, &props
, pTransformFilter
, TransformFilter_Output_QueryAccept
, &pTransformFilter
->csFilter
, &pTransformFilter
->ppPins
[1]);
196 ERR("Cannot create output pin (%x)\n", hr
);
200 stop
= TransformFilter_ChangeStop
;
202 current
= TransformFilter_ChangeCurrent
;
204 rate
= TransformFilter_ChangeRate
;
206 MediaSeekingImpl_Init((IBaseFilter
*)pTransformFilter
, stop
, current
, rate
, &pTransformFilter
->mediaSeeking
, &pTransformFilter
->csFilter
);
207 pTransformFilter
->mediaSeeking
.lpVtbl
= &TransformFilter_Seeking_Vtbl
;
212 CoTaskMemFree(pTransformFilter
->ppPins
);
213 pTransformFilter
->csFilter
.DebugInfo
->Spare
[0] = 0;
214 DeleteCriticalSection(&pTransformFilter
->csFilter
);
215 CoTaskMemFree(pTransformFilter
);
221 static HRESULT WINAPI
TransformFilter_QueryInterface(IBaseFilter
* iface
, REFIID riid
, LPVOID
* ppv
)
223 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
224 TRACE("(%p/%p)->(%s, %p)\n", This
, iface
, qzdebugstr_guid(riid
), ppv
);
228 if (IsEqualIID(riid
, &IID_IUnknown
))
230 else if (IsEqualIID(riid
, &IID_IPersist
))
232 else if (IsEqualIID(riid
, &IID_IMediaFilter
))
234 else if (IsEqualIID(riid
, &IID_IBaseFilter
))
236 else if (IsEqualIID(riid
, &IID_IMediaSeeking
))
237 *ppv
= &This
->mediaSeeking
;
241 IUnknown_AddRef((IUnknown
*)(*ppv
));
245 if (!IsEqualIID(riid
, &IID_IPin
) && !IsEqualIID(riid
, &IID_IVideoWindow
))
246 FIXME("No interface for %s!\n", qzdebugstr_guid(riid
));
248 return E_NOINTERFACE
;
251 static ULONG WINAPI
TransformFilter_AddRef(IBaseFilter
* iface
)
253 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
254 ULONG refCount
= InterlockedIncrement(&This
->refCount
);
256 TRACE("(%p/%p)->() AddRef from %d\n", This
, iface
, refCount
- 1);
261 static ULONG WINAPI
TransformFilter_Release(IBaseFilter
* iface
)
263 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
264 ULONG refCount
= InterlockedDecrement(&This
->refCount
);
266 TRACE("(%p/%p)->() Release from %d\n", This
, iface
, refCount
+ 1);
273 IReferenceClock_Release(This
->pClock
);
275 for (i
= 0; i
< This
->npins
; i
++)
279 if (SUCCEEDED(IPin_ConnectedTo(This
->ppPins
[i
], &pConnectedTo
)))
281 IPin_Disconnect(pConnectedTo
);
282 IPin_Release(pConnectedTo
);
284 IPin_Disconnect(This
->ppPins
[i
]);
286 IPin_Release(This
->ppPins
[i
]);
289 CoTaskMemFree(This
->ppPins
);
292 This
->csFilter
.DebugInfo
->Spare
[0] = 0;
293 DeleteCriticalSection(&This
->csFilter
);
295 TRACE("Destroying transform filter\n");
296 FreeMediaType(&This
->pmt
);
305 /** IPersist methods **/
307 static HRESULT WINAPI
TransformFilter_GetClassID(IBaseFilter
* iface
, CLSID
* pClsid
)
309 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
311 TRACE("(%p/%p)->(%p)\n", This
, iface
, pClsid
);
313 *pClsid
= This
->clsid
;
318 /** IMediaFilter methods **/
320 static HRESULT WINAPI
TransformFilter_Stop(IBaseFilter
* iface
)
322 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
325 TRACE("(%p/%p)\n", This
, iface
);
327 EnterCriticalSection(&This
->csFilter
);
329 This
->state
= State_Stopped
;
330 if (This
->pFuncsTable
->pfnProcessEnd
)
331 hr
= This
->pFuncsTable
->pfnProcessEnd(This
);
333 LeaveCriticalSection(&This
->csFilter
);
338 static HRESULT WINAPI
TransformFilter_Pause(IBaseFilter
* iface
)
340 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
343 TRACE("(%p/%p)->()\n", This
, iface
);
345 EnterCriticalSection(&This
->csFilter
);
347 if (This
->state
== State_Stopped
)
348 hr
= IBaseFilter_Run(iface
, -1);
353 This
->state
= State_Paused
;
355 LeaveCriticalSection(&This
->csFilter
);
360 static HRESULT WINAPI
TransformFilter_Run(IBaseFilter
* iface
, REFERENCE_TIME tStart
)
363 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
365 TRACE("(%p/%p)->(%s)\n", This
, iface
, wine_dbgstr_longlong(tStart
));
367 EnterCriticalSection(&This
->csFilter
);
369 if (This
->state
== State_Stopped
)
371 ((InputPin
*)This
->ppPins
[0])->end_of_stream
= 0;
372 if (This
->pFuncsTable
->pfnProcessBegin
)
373 hr
= This
->pFuncsTable
->pfnProcessBegin(This
);
375 hr
= OutputPin_CommitAllocator((OutputPin
*)This
->ppPins
[1]);
380 This
->rtStreamStart
= tStart
;
381 This
->state
= State_Running
;
384 LeaveCriticalSection(&This
->csFilter
);
389 static HRESULT WINAPI
TransformFilter_GetState(IBaseFilter
* iface
, DWORD dwMilliSecsTimeout
, FILTER_STATE
*pState
)
391 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
393 TRACE("(%p/%p)->(%d, %p)\n", This
, iface
, dwMilliSecsTimeout
, pState
);
395 EnterCriticalSection(&This
->csFilter
);
397 *pState
= This
->state
;
399 LeaveCriticalSection(&This
->csFilter
);
404 static HRESULT WINAPI
TransformFilter_SetSyncSource(IBaseFilter
* iface
, IReferenceClock
*pClock
)
406 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
408 TRACE("(%p/%p)->(%p)\n", This
, iface
, pClock
);
410 EnterCriticalSection(&This
->csFilter
);
413 IReferenceClock_Release(This
->pClock
);
414 This
->pClock
= pClock
;
416 IReferenceClock_AddRef(This
->pClock
);
418 LeaveCriticalSection(&This
->csFilter
);
423 static HRESULT WINAPI
TransformFilter_GetSyncSource(IBaseFilter
* iface
, IReferenceClock
**ppClock
)
425 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
427 TRACE("(%p/%p)->(%p)\n", This
, iface
, ppClock
);
429 EnterCriticalSection(&This
->csFilter
);
431 *ppClock
= This
->pClock
;
433 IReferenceClock_AddRef(This
->pClock
);
435 LeaveCriticalSection(&This
->csFilter
);
440 /** IBaseFilter implementation **/
442 static HRESULT
TransformFilter_GetPin(IBaseFilter
*iface
, ULONG pos
, IPin
**pin
, DWORD
*lastsynctick
)
444 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
446 /* Our pins are static, not changing so setting static tick count is ok */
449 if (pos
>= This
->npins
)
452 *pin
= This
->ppPins
[pos
];
457 static HRESULT WINAPI
TransformFilter_EnumPins(IBaseFilter
* iface
, IEnumPins
**ppEnum
)
459 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
461 TRACE("(%p/%p)->(%p)\n", This
, iface
, ppEnum
);
463 return IEnumPinsImpl_Construct(ppEnum
, TransformFilter_GetPin
, iface
);
466 static HRESULT WINAPI
TransformFilter_FindPin(IBaseFilter
* iface
, LPCWSTR Id
, IPin
**ppPin
)
468 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
470 TRACE("(%p/%p)->(%p,%p)\n", This
, iface
, debugstr_w(Id
), ppPin
);
475 static HRESULT WINAPI
TransformFilter_QueryFilterInfo(IBaseFilter
* iface
, FILTER_INFO
*pInfo
)
477 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
479 TRACE("(%p/%p)->(%p)\n", This
, iface
, pInfo
);
481 strcpyW(pInfo
->achName
, This
->filterInfo
.achName
);
482 pInfo
->pGraph
= This
->filterInfo
.pGraph
;
485 IFilterGraph_AddRef(pInfo
->pGraph
);
490 static HRESULT WINAPI
TransformFilter_JoinFilterGraph(IBaseFilter
* iface
, IFilterGraph
*pGraph
, LPCWSTR pName
)
493 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
495 TRACE("(%p/%p)->(%p, %s)\n", This
, iface
, pGraph
, debugstr_w(pName
));
497 EnterCriticalSection(&This
->csFilter
);
500 strcpyW(This
->filterInfo
.achName
, pName
);
502 *This
->filterInfo
.achName
= '\0';
503 This
->filterInfo
.pGraph
= pGraph
; /* NOTE: do NOT increase ref. count */
505 LeaveCriticalSection(&This
->csFilter
);
510 static HRESULT WINAPI
TransformFilter_QueryVendorInfo(IBaseFilter
* iface
, LPWSTR
*pVendorInfo
)
512 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
513 TRACE("(%p/%p)->(%p)\n", This
, iface
, pVendorInfo
);
517 static const IBaseFilterVtbl TransformFilter_Vtbl
=
519 TransformFilter_QueryInterface
,
520 TransformFilter_AddRef
,
521 TransformFilter_Release
,
522 TransformFilter_GetClassID
,
523 TransformFilter_Stop
,
524 TransformFilter_Pause
,
526 TransformFilter_GetState
,
527 TransformFilter_SetSyncSource
,
528 TransformFilter_GetSyncSource
,
529 TransformFilter_EnumPins
,
530 TransformFilter_FindPin
,
531 TransformFilter_QueryFilterInfo
,
532 TransformFilter_JoinFilterGraph
,
533 TransformFilter_QueryVendorInfo
536 static HRESULT WINAPI
TransformFilter_InputPin_EndOfStream(IPin
* iface
)
538 InputPin
* This
= (InputPin
*) iface
;
539 TransformFilterImpl
* pTransform
;
543 TRACE("(%p)->()\n", iface
);
545 /* Since we process samples synchronously, just forward notification downstream */
546 pTransform
= (TransformFilterImpl
*)This
->pin
.pinInfo
.pFilter
;
550 hr
= IPin_ConnectedTo(pTransform
->ppPins
[1], &ppin
);
553 hr
= IPin_EndOfStream(ppin
);
562 static HRESULT WINAPI
TransformFilter_InputPin_ReceiveConnection(IPin
* iface
, IPin
* pReceivePin
, const AM_MEDIA_TYPE
* pmt
)
564 InputPin
* This
= (InputPin
*) iface
;
565 TransformFilterImpl
* pTransform
;
568 TRACE("(%p)->(%p, %p)\n", iface
, pReceivePin
, pmt
);
570 pTransform
= (TransformFilterImpl
*)This
->pin
.pinInfo
.pFilter
;
572 hr
= pTransform
->pFuncsTable
->pfnConnectInput(This
, pmt
);
575 hr
= InputPin_ReceiveConnection(iface
, pReceivePin
, pmt
);
577 pTransform
->pFuncsTable
->pfnCleanup(This
);
583 static HRESULT WINAPI
TransformFilter_InputPin_Disconnect(IPin
* iface
)
585 InputPin
* This
= (InputPin
*) iface
;
586 TransformFilterImpl
* pTransform
;
588 TRACE("(%p)->()\n", iface
);
590 pTransform
= (TransformFilterImpl
*)This
->pin
.pinInfo
.pFilter
;
591 pTransform
->pFuncsTable
->pfnCleanup(This
);
593 return IPinImpl_Disconnect(iface
);
596 static const IPinVtbl TransformFilter_InputPin_Vtbl
=
598 InputPin_QueryInterface
,
602 TransformFilter_InputPin_ReceiveConnection
,
603 TransformFilter_InputPin_Disconnect
,
604 IPinImpl_ConnectedTo
,
605 IPinImpl_ConnectionMediaType
,
606 IPinImpl_QueryPinInfo
,
607 IPinImpl_QueryDirection
,
609 IPinImpl_QueryAccept
,
610 IPinImpl_EnumMediaTypes
,
611 IPinImpl_QueryInternalConnections
,
612 TransformFilter_InputPin_EndOfStream
,
618 static HRESULT WINAPI
TransformFilter_Output_EnumMediaTypes(IPin
* iface
, IEnumMediaTypes
** ppEnum
)
620 IPinImpl
*This
= (IPinImpl
*)iface
;
621 TransformFilterImpl
*pTransform
= (TransformFilterImpl
*)This
->pinInfo
.pFilter
;
622 ENUMMEDIADETAILS emd
;
624 TRACE("(%p/%p)->(%p)\n", This
, iface
, ppEnum
);
627 emd
.pMediaTypes
= &pTransform
->pmt
;
629 return IEnumMediaTypesImpl_Construct(&emd
, ppEnum
);
632 static const IPinVtbl TransformFilter_OutputPin_Vtbl
=
634 OutputPin_QueryInterface
,
638 OutputPin_ReceiveConnection
,
639 OutputPin_Disconnect
,
640 IPinImpl_ConnectedTo
,
641 IPinImpl_ConnectionMediaType
,
642 IPinImpl_QueryPinInfo
,
643 IPinImpl_QueryDirection
,
645 IPinImpl_QueryAccept
,
646 TransformFilter_Output_EnumMediaTypes
,
647 IPinImpl_QueryInternalConnections
,
648 OutputPin_EndOfStream
,
649 OutputPin_BeginFlush
,
654 static const IMemInputPinVtbl MemInputPin_Vtbl
=
656 MemInputPin_QueryInterface
,
659 MemInputPin_GetAllocator
,
660 MemInputPin_NotifyAllocator
,
661 MemInputPin_GetAllocatorRequirements
,
663 MemInputPin_ReceiveMultiple
,
664 MemInputPin_ReceiveCanBlock