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_Sample(LPVOID iface
, IMediaSample
* pSample
)
53 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
55 TRACE("%p %p\n", iface
, pSample
);
57 if (This
->state
== State_Stopped
)
60 return This
->pFuncsTable
->pfnProcessSampleData(This
, pSample
);
63 static HRESULT
TransformFilter_Input_QueryAccept(LPVOID iface
, const AM_MEDIA_TYPE
* pmt
)
65 TransformFilterImpl
* This
= (TransformFilterImpl
*)iface
;
67 dump_AM_MEDIA_TYPE(pmt
);
69 if (This
->pFuncsTable
->pfnQueryConnect
)
70 return This
->pFuncsTable
->pfnQueryConnect(This
, pmt
);
71 /* Assume OK if there's no query method (the connection will fail if
77 static HRESULT
TransformFilter_Output_QueryAccept(LPVOID iface
, const AM_MEDIA_TYPE
* pmt
)
79 TransformFilterImpl
* pTransformFilter
= (TransformFilterImpl
*)iface
;
80 AM_MEDIA_TYPE
* outpmt
= &((OutputPin
*)pTransformFilter
->ppPins
[1])->pin
.mtCurrent
;
83 if (IsEqualIID(&pmt
->majortype
, &outpmt
->majortype
) && IsEqualIID(&pmt
->subtype
, &outpmt
->subtype
))
89 static inline TransformFilterImpl
*impl_from_IMediaSeeking( IMediaSeeking
*iface
)
91 return (TransformFilterImpl
*)((char*)iface
- FIELD_OFFSET(TransformFilterImpl
, mediaSeeking
.lpVtbl
));
94 static HRESULT WINAPI
TransformFilter_Seeking_QueryInterface(IMediaSeeking
* iface
, REFIID riid
, LPVOID
* ppv
)
96 TransformFilterImpl
*This
= impl_from_IMediaSeeking(iface
);
98 return IUnknown_QueryInterface((IUnknown
*)This
, riid
, ppv
);
101 static ULONG WINAPI
TransformFilter_Seeking_AddRef(IMediaSeeking
* iface
)
103 TransformFilterImpl
*This
= impl_from_IMediaSeeking(iface
);
105 return IUnknown_AddRef((IUnknown
*)This
);
108 static ULONG WINAPI
TransformFilter_Seeking_Release(IMediaSeeking
* iface
)
110 TransformFilterImpl
*This
= impl_from_IMediaSeeking(iface
);
112 return IUnknown_Release((IUnknown
*)This
);
115 static const IMediaSeekingVtbl TransformFilter_Seeking_Vtbl
=
117 TransformFilter_Seeking_QueryInterface
,
118 TransformFilter_Seeking_AddRef
,
119 TransformFilter_Seeking_Release
,
120 MediaSeekingImpl_GetCapabilities
,
121 MediaSeekingImpl_CheckCapabilities
,
122 MediaSeekingImpl_IsFormatSupported
,
123 MediaSeekingImpl_QueryPreferredFormat
,
124 MediaSeekingImpl_GetTimeFormat
,
125 MediaSeekingImpl_IsUsingTimeFormat
,
126 MediaSeekingImpl_SetTimeFormat
,
127 MediaSeekingImpl_GetDuration
,
128 MediaSeekingImpl_GetStopPosition
,
129 MediaSeekingImpl_GetCurrentPosition
,
130 MediaSeekingImpl_ConvertTimeFormat
,
131 MediaSeekingImpl_SetPositions
,
132 MediaSeekingImpl_GetPositions
,
133 MediaSeekingImpl_GetAvailable
,
134 MediaSeekingImpl_SetRate
,
135 MediaSeekingImpl_GetRate
,
136 MediaSeekingImpl_GetPreroll
139 /* These shouldn't be implemented by default.
140 * Usually only source filters should implement these
141 * and even it's not needed all of the time
143 static HRESULT
TransformFilter_ChangeCurrent(IBaseFilter
*iface
)
145 TRACE("(%p) filter hasn't implemented current position change!\n", iface
);
149 static HRESULT
TransformFilter_ChangeStop(IBaseFilter
*iface
)
151 TRACE("(%p) filter hasn't implemented stop position change!\n", iface
);
155 static HRESULT
TransformFilter_ChangeRate(IBaseFilter
*iface
)
157 TRACE("(%p) filter hasn't implemented rate change!\n", iface
);
161 HRESULT
TransformFilter_Create(TransformFilterImpl
* pTransformFilter
, const CLSID
* pClsid
, const TransformFuncsTable
* pFuncsTable
, CHANGEPROC stop
, CHANGEPROC current
, CHANGEPROC rate
)
167 /* pTransformFilter is already allocated */
168 pTransformFilter
->clsid
= *pClsid
;
169 pTransformFilter
->pFuncsTable
= pFuncsTable
;
171 pTransformFilter
->lpVtbl
= &TransformFilter_Vtbl
;
173 pTransformFilter
->refCount
= 1;
174 InitializeCriticalSection(&pTransformFilter
->csFilter
);
175 pTransformFilter
->csFilter
.DebugInfo
->Spare
[0] = (DWORD_PTR
)(__FILE__
": TransformFilterImpl.csFilter");
176 pTransformFilter
->state
= State_Stopped
;
177 pTransformFilter
->pClock
= NULL
;
178 ZeroMemory(&pTransformFilter
->filterInfo
, sizeof(FILTER_INFO
));
180 pTransformFilter
->ppPins
= CoTaskMemAlloc(2 * sizeof(IPin
*));
182 /* construct input pin */
183 piInput
.dir
= PINDIR_INPUT
;
184 piInput
.pFilter
= (IBaseFilter
*)pTransformFilter
;
185 lstrcpynW(piInput
.achName
, wcsInputPinName
, sizeof(piInput
.achName
) / sizeof(piInput
.achName
[0]));
186 piOutput
.dir
= PINDIR_OUTPUT
;
187 piOutput
.pFilter
= (IBaseFilter
*)pTransformFilter
;
188 lstrcpynW(piOutput
.achName
, wcsOutputPinName
, sizeof(piOutput
.achName
) / sizeof(piOutput
.achName
[0]));
190 hr
= InputPin_Construct(&TransformFilter_InputPin_Vtbl
, &piInput
, TransformFilter_Sample
, pTransformFilter
, TransformFilter_Input_QueryAccept
, NULL
, &pTransformFilter
->csFilter
, &pTransformFilter
->ppPins
[0]);
194 ALLOCATOR_PROPERTIES props
;
197 props
.cbBuffer
= 0; /* Will be updated at connection time */
200 hr
= OutputPin_Construct(&TransformFilter_OutputPin_Vtbl
, sizeof(OutputPin
), &piOutput
, &props
, pTransformFilter
, TransformFilter_Output_QueryAccept
, &pTransformFilter
->csFilter
, &pTransformFilter
->ppPins
[1]);
203 ERR("Cannot create output pin (%x)\n", hr
);
207 stop
= TransformFilter_ChangeStop
;
209 current
= TransformFilter_ChangeCurrent
;
211 rate
= TransformFilter_ChangeRate
;
213 MediaSeekingImpl_Init((IBaseFilter
*)pTransformFilter
, stop
, current
, rate
, &pTransformFilter
->mediaSeeking
, &pTransformFilter
->csFilter
);
214 pTransformFilter
->mediaSeeking
.lpVtbl
= &TransformFilter_Seeking_Vtbl
;
219 CoTaskMemFree(pTransformFilter
->ppPins
);
220 pTransformFilter
->csFilter
.DebugInfo
->Spare
[0] = 0;
221 DeleteCriticalSection(&pTransformFilter
->csFilter
);
222 CoTaskMemFree(pTransformFilter
);
228 static HRESULT WINAPI
TransformFilter_QueryInterface(IBaseFilter
* iface
, REFIID riid
, LPVOID
* ppv
)
230 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
231 TRACE("(%p/%p)->(%s, %p)\n", This
, iface
, qzdebugstr_guid(riid
), ppv
);
235 if (IsEqualIID(riid
, &IID_IUnknown
))
237 else if (IsEqualIID(riid
, &IID_IPersist
))
239 else if (IsEqualIID(riid
, &IID_IMediaFilter
))
241 else if (IsEqualIID(riid
, &IID_IBaseFilter
))
243 else if (IsEqualIID(riid
, &IID_IMediaSeeking
))
244 *ppv
= &This
->mediaSeeking
;
248 IUnknown_AddRef((IUnknown
*)(*ppv
));
252 if (!IsEqualIID(riid
, &IID_IPin
) && !IsEqualIID(riid
, &IID_IVideoWindow
))
253 FIXME("No interface for %s!\n", qzdebugstr_guid(riid
));
255 return E_NOINTERFACE
;
258 static ULONG WINAPI
TransformFilter_AddRef(IBaseFilter
* iface
)
260 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
261 ULONG refCount
= InterlockedIncrement(&This
->refCount
);
263 TRACE("(%p/%p)->() AddRef from %d\n", This
, iface
, refCount
- 1);
268 static ULONG WINAPI
TransformFilter_Release(IBaseFilter
* iface
)
270 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
271 ULONG refCount
= InterlockedDecrement(&This
->refCount
);
273 TRACE("(%p/%p)->() Release from %d\n", This
, iface
, refCount
+ 1);
280 IReferenceClock_Release(This
->pClock
);
282 for (i
= 0; i
< 2; i
++)
286 if (SUCCEEDED(IPin_ConnectedTo(This
->ppPins
[i
], &pConnectedTo
)))
288 IPin_Disconnect(pConnectedTo
);
289 IPin_Release(pConnectedTo
);
291 IPin_Disconnect(This
->ppPins
[i
]);
293 IPin_Release(This
->ppPins
[i
]);
296 CoTaskMemFree(This
->ppPins
);
299 This
->csFilter
.DebugInfo
->Spare
[0] = 0;
300 DeleteCriticalSection(&This
->csFilter
);
302 TRACE("Destroying transform filter\n");
311 /** IPersist methods **/
313 static HRESULT WINAPI
TransformFilter_GetClassID(IBaseFilter
* iface
, CLSID
* pClsid
)
315 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
317 TRACE("(%p/%p)->(%p)\n", This
, iface
, pClsid
);
319 *pClsid
= This
->clsid
;
324 /** IMediaFilter methods **/
326 static HRESULT WINAPI
TransformFilter_Stop(IBaseFilter
* iface
)
328 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
330 TRACE("(%p/%p)\n", This
, iface
);
332 EnterCriticalSection(&This
->csFilter
);
334 This
->state
= State_Stopped
;
335 if (This
->pFuncsTable
->pfnProcessEnd
)
336 This
->pFuncsTable
->pfnProcessEnd(This
);
338 LeaveCriticalSection(&This
->csFilter
);
343 static HRESULT WINAPI
TransformFilter_Pause(IBaseFilter
* iface
)
345 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
347 TRACE("(%p/%p)->()\n", This
, iface
);
349 EnterCriticalSection(&This
->csFilter
);
351 if (This
->state
== State_Stopped
)
352 ((InputPin
*)This
->ppPins
[0])->end_of_stream
= 0;
354 This
->state
= State_Paused
;
356 LeaveCriticalSection(&This
->csFilter
);
361 static HRESULT WINAPI
TransformFilter_Run(IBaseFilter
* iface
, REFERENCE_TIME tStart
)
364 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
366 TRACE("(%p/%p)->(%s)\n", This
, iface
, wine_dbgstr_longlong(tStart
));
368 EnterCriticalSection(&This
->csFilter
);
370 if (This
->state
== State_Stopped
)
371 ((InputPin
*)This
->ppPins
[0])->end_of_stream
= 0;
373 This
->rtStreamStart
= tStart
;
374 This
->state
= State_Running
;
375 OutputPin_CommitAllocator((OutputPin
*)This
->ppPins
[1]);
376 if (This
->pFuncsTable
->pfnProcessBegin
)
377 This
->pFuncsTable
->pfnProcessBegin(This
);
379 LeaveCriticalSection(&This
->csFilter
);
384 static HRESULT WINAPI
TransformFilter_GetState(IBaseFilter
* iface
, DWORD dwMilliSecsTimeout
, FILTER_STATE
*pState
)
386 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
388 TRACE("(%p/%p)->(%d, %p)\n", This
, iface
, dwMilliSecsTimeout
, pState
);
390 EnterCriticalSection(&This
->csFilter
);
392 *pState
= This
->state
;
394 LeaveCriticalSection(&This
->csFilter
);
399 static HRESULT WINAPI
TransformFilter_SetSyncSource(IBaseFilter
* iface
, IReferenceClock
*pClock
)
401 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
403 TRACE("(%p/%p)->(%p)\n", This
, iface
, pClock
);
405 EnterCriticalSection(&This
->csFilter
);
408 IReferenceClock_Release(This
->pClock
);
409 This
->pClock
= pClock
;
411 IReferenceClock_AddRef(This
->pClock
);
413 LeaveCriticalSection(&This
->csFilter
);
418 static HRESULT WINAPI
TransformFilter_GetSyncSource(IBaseFilter
* iface
, IReferenceClock
**ppClock
)
420 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
422 TRACE("(%p/%p)->(%p)\n", This
, iface
, ppClock
);
424 EnterCriticalSection(&This
->csFilter
);
426 *ppClock
= This
->pClock
;
427 IReferenceClock_AddRef(This
->pClock
);
429 LeaveCriticalSection(&This
->csFilter
);
434 /** IBaseFilter implementation **/
436 static HRESULT WINAPI
TransformFilter_EnumPins(IBaseFilter
* iface
, IEnumPins
**ppEnum
)
439 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
441 TRACE("(%p/%p)->(%p)\n", This
, iface
, ppEnum
);
443 epd
.cPins
= 2; /* input and output pins */
444 epd
.ppPins
= This
->ppPins
;
445 return IEnumPinsImpl_Construct(&epd
, ppEnum
);
448 static HRESULT WINAPI
TransformFilter_FindPin(IBaseFilter
* iface
, LPCWSTR Id
, IPin
**ppPin
)
450 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
452 TRACE("(%p/%p)->(%p,%p)\n", This
, iface
, debugstr_w(Id
), ppPin
);
457 static HRESULT WINAPI
TransformFilter_QueryFilterInfo(IBaseFilter
* iface
, FILTER_INFO
*pInfo
)
459 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
461 TRACE("(%p/%p)->(%p)\n", This
, iface
, pInfo
);
463 strcpyW(pInfo
->achName
, This
->filterInfo
.achName
);
464 pInfo
->pGraph
= This
->filterInfo
.pGraph
;
467 IFilterGraph_AddRef(pInfo
->pGraph
);
472 static HRESULT WINAPI
TransformFilter_JoinFilterGraph(IBaseFilter
* iface
, IFilterGraph
*pGraph
, LPCWSTR pName
)
475 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
477 TRACE("(%p/%p)->(%p, %s)\n", This
, iface
, pGraph
, debugstr_w(pName
));
479 EnterCriticalSection(&This
->csFilter
);
482 strcpyW(This
->filterInfo
.achName
, pName
);
484 *This
->filterInfo
.achName
= '\0';
485 This
->filterInfo
.pGraph
= pGraph
; /* NOTE: do NOT increase ref. count */
487 LeaveCriticalSection(&This
->csFilter
);
492 static HRESULT WINAPI
TransformFilter_QueryVendorInfo(IBaseFilter
* iface
, LPWSTR
*pVendorInfo
)
494 TransformFilterImpl
*This
= (TransformFilterImpl
*)iface
;
495 TRACE("(%p/%p)->(%p)\n", This
, iface
, pVendorInfo
);
499 static const IBaseFilterVtbl TransformFilter_Vtbl
=
501 TransformFilter_QueryInterface
,
502 TransformFilter_AddRef
,
503 TransformFilter_Release
,
504 TransformFilter_GetClassID
,
505 TransformFilter_Stop
,
506 TransformFilter_Pause
,
508 TransformFilter_GetState
,
509 TransformFilter_SetSyncSource
,
510 TransformFilter_GetSyncSource
,
511 TransformFilter_EnumPins
,
512 TransformFilter_FindPin
,
513 TransformFilter_QueryFilterInfo
,
514 TransformFilter_JoinFilterGraph
,
515 TransformFilter_QueryVendorInfo
518 static HRESULT WINAPI
TransformFilter_InputPin_EndOfStream(IPin
* iface
)
520 InputPin
* This
= (InputPin
*) iface
;
521 TransformFilterImpl
* pTransform
;
525 TRACE("(%p)->()\n", iface
);
527 /* Since we process samples synchronously, just forward notification downstream */
528 pTransform
= (TransformFilterImpl
*)This
->pin
.pinInfo
.pFilter
;
532 hr
= IPin_ConnectedTo(pTransform
->ppPins
[1], &ppin
);
535 hr
= IPin_EndOfStream(ppin
);
544 static HRESULT WINAPI
TransformFilter_InputPin_ReceiveConnection(IPin
* iface
, IPin
* pReceivePin
, const AM_MEDIA_TYPE
* pmt
)
546 InputPin
* This
= (InputPin
*) iface
;
547 TransformFilterImpl
* pTransform
;
550 TRACE("(%p)->(%p, %p)\n", iface
, pReceivePin
, pmt
);
552 pTransform
= (TransformFilterImpl
*)This
->pin
.pinInfo
.pFilter
;
554 hr
= pTransform
->pFuncsTable
->pfnConnectInput(pTransform
, pmt
);
557 hr
= InputPin_ReceiveConnection(iface
, pReceivePin
, pmt
);
559 pTransform
->pFuncsTable
->pfnCleanup(pTransform
);
565 static HRESULT WINAPI
TransformFilter_InputPin_Disconnect(IPin
* iface
)
567 InputPin
* This
= (InputPin
*) iface
;
568 TransformFilterImpl
* pTransform
;
570 TRACE("(%p)->()\n", iface
);
572 pTransform
= (TransformFilterImpl
*)This
->pin
.pinInfo
.pFilter
;
573 pTransform
->pFuncsTable
->pfnCleanup(pTransform
);
575 return IPinImpl_Disconnect(iface
);
578 static const IPinVtbl TransformFilter_InputPin_Vtbl
=
580 InputPin_QueryInterface
,
584 TransformFilter_InputPin_ReceiveConnection
,
585 TransformFilter_InputPin_Disconnect
,
586 IPinImpl_ConnectedTo
,
587 IPinImpl_ConnectionMediaType
,
588 IPinImpl_QueryPinInfo
,
589 IPinImpl_QueryDirection
,
591 IPinImpl_QueryAccept
,
592 IPinImpl_EnumMediaTypes
,
593 IPinImpl_QueryInternalConnections
,
594 TransformFilter_InputPin_EndOfStream
,
600 static HRESULT WINAPI
TransformFilter_Output_EnumMediaTypes(IPin
* iface
, IEnumMediaTypes
** ppEnum
)
602 IPinImpl
*This
= (IPinImpl
*)iface
;
603 ENUMMEDIADETAILS emd
;
605 TRACE("(%p/%p)->(%p)\n", This
, iface
, ppEnum
);
608 emd
.pMediaTypes
= &This
->mtCurrent
;
610 return IEnumMediaTypesImpl_Construct(&emd
, ppEnum
);
613 static const IPinVtbl TransformFilter_OutputPin_Vtbl
=
615 OutputPin_QueryInterface
,
619 OutputPin_ReceiveConnection
,
620 OutputPin_Disconnect
,
621 IPinImpl_ConnectedTo
,
622 IPinImpl_ConnectionMediaType
,
623 IPinImpl_QueryPinInfo
,
624 IPinImpl_QueryDirection
,
626 IPinImpl_QueryAccept
,
627 TransformFilter_Output_EnumMediaTypes
,
628 IPinImpl_QueryInternalConnections
,
629 OutputPin_EndOfStream
,
630 OutputPin_BeginFlush
,
635 static const IMemInputPinVtbl MemInputPin_Vtbl
=
637 MemInputPin_QueryInterface
,
640 MemInputPin_GetAllocator
,
641 MemInputPin_NotifyAllocator
,
642 MemInputPin_GetAllocatorRequirements
,
644 MemInputPin_ReceiveMultiple
,
645 MemInputPin_ReceiveCanBlock