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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include "quartz_private.h"
24 #include "control_private.h"
42 #include "wine/unicode.h"
43 #include "wine/debug.h"
45 #include "transform.h"
47 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
49 static const WCHAR wcsInputPinName[] = {'i','n','p','u','t',' ','p','i','n',0};
50 static const WCHAR wcsOutputPinName[] = {'o','u','t','p','u','t',' ','p','i','n',0};
52 static const IBaseFilterVtbl TransformFilter_Vtbl;
53 static const IPinVtbl TransformFilter_InputPin_Vtbl;
54 static const IMemInputPinVtbl MemInputPin_Vtbl;
55 static const IPinVtbl TransformFilter_OutputPin_Vtbl;
57 static HRESULT TransformFilter_Sample(LPVOID iface, IMediaSample * pSample)
59 TransformFilterImpl *This = (TransformFilterImpl *)iface;
60 LPBYTE pbSrcStream = NULL;
62 REFERENCE_TIME tStart, tStop;
65 TRACE("%p %p\n", iface, pSample);
67 hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
70 ERR("Cannot get pointer to sample data (%lx)\n", hr);
74 hr = IMediaSample_GetTime(pSample, &tStart, &tStop);
76 ERR("Cannot get sample time (%lx)\n", hr);
78 cbSrcStream = IMediaSample_GetActualDataLength(pSample);
80 TRACE("Sample data ptr = %p, size = %ld\n", pbSrcStream, cbSrcStream);
82 #if 0 /* For debugging purpose */
85 for(i = 0; i < cbSrcStream; i++)
87 if ((i!=0) && !(i%16))
89 DPRINTF("%02x ", pbSrcStream[i]);
95 This->pFuncsTable->pfnProcessSampleData(This, pbSrcStream, cbSrcStream);
100 static HRESULT TransformFilter_Input_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
102 TransformFilterImpl* This = (TransformFilterImpl*)iface;
103 TRACE("%p\n", iface);
104 dump_AM_MEDIA_TYPE(pmt);
106 return This->pFuncsTable->pfnConnectInput(This, pmt);
110 static HRESULT TransformFilter_Output_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
112 TransformFilterImpl* pTransformFilter = (TransformFilterImpl*)iface;
113 AM_MEDIA_TYPE* outpmt = &((OutputPin*)pTransformFilter->ppPins[1])->pin.mtCurrent;
114 TRACE("%p\n", iface);
116 if (IsEqualIID(&pmt->majortype, &outpmt->majortype) && IsEqualIID(&pmt->subtype, &outpmt->subtype))
121 static HRESULT TransformFilter_InputPin_Construct(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
127 if (pPinInfo->dir != PINDIR_INPUT)
129 ERR("Pin direction(%x) != PINDIR_INPUT\n", pPinInfo->dir);
133 pPinImpl = CoTaskMemAlloc(sizeof(*pPinImpl));
136 return E_OUTOFMEMORY;
138 if (SUCCEEDED(InputPin_Init(pPinInfo, pSampleProc, pUserData, pQueryAccept, pCritSec, pPinImpl)))
140 pPinImpl->pin.lpVtbl = &TransformFilter_InputPin_Vtbl;
141 pPinImpl->lpVtblMemInput = &MemInputPin_Vtbl;
143 *ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
149 HRESULT TransformFilter_OutputPin_Construct(const PIN_INFO * pPinInfo, ALLOCATOR_PROPERTIES *props, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
151 OutputPin * pPinImpl;
155 if (pPinInfo->dir != PINDIR_OUTPUT)
157 ERR("Pin direction(%x) != PINDIR_OUTPUT\n", pPinInfo->dir);
161 pPinImpl = CoTaskMemAlloc(sizeof(*pPinImpl));
164 return E_OUTOFMEMORY;
166 if (SUCCEEDED(OutputPin_Init(pPinInfo, props, pUserData, pQueryAccept, pCritSec, pPinImpl)))
168 pPinImpl->pin.lpVtbl = &TransformFilter_OutputPin_Vtbl;
170 *ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
176 HRESULT TransformFilter_Create(TransformFilterImpl* pTransformFilter, const CLSID* pClsid, TransformFuncsTable* pFuncsTable)
182 /* pTransformFilter is already allocated */
183 pTransformFilter->clsid = *pClsid;
184 pTransformFilter->pFuncsTable = pFuncsTable;
186 pTransformFilter->lpVtbl = &TransformFilter_Vtbl;
188 pTransformFilter->refCount = 1;
189 InitializeCriticalSection(&pTransformFilter->csFilter);
190 pTransformFilter->state = State_Stopped;
191 pTransformFilter->pClock = NULL;
192 ZeroMemory(&pTransformFilter->filterInfo, sizeof(FILTER_INFO));
194 pTransformFilter->ppPins = CoTaskMemAlloc(2 * sizeof(IPin *));
196 /* construct input pin */
197 piInput.dir = PINDIR_INPUT;
198 piInput.pFilter = (IBaseFilter *)pTransformFilter;
199 strncpyW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
200 piOutput.dir = PINDIR_OUTPUT;
201 piOutput.pFilter = (IBaseFilter *)pTransformFilter;
202 strncpyW(piOutput.achName, wcsOutputPinName, sizeof(piOutput.achName) / sizeof(piOutput.achName[0]));
204 hr = TransformFilter_InputPin_Construct(&piInput, TransformFilter_Sample, (LPVOID)pTransformFilter, TransformFilter_Input_QueryAccept, &pTransformFilter->csFilter, &pTransformFilter->ppPins[0]);
208 ALLOCATOR_PROPERTIES props;
211 props.cbBuffer = 0; /* Will be updated at connection time */
214 hr = TransformFilter_OutputPin_Construct(&piOutput, &props, NULL, TransformFilter_Output_QueryAccept, &pTransformFilter->csFilter, &pTransformFilter->ppPins[1]);
217 ERR("Cannot create output pin (%lx)\n", hr);
221 CoTaskMemFree(pTransformFilter->ppPins);
222 DeleteCriticalSection(&pTransformFilter->csFilter);
223 CoTaskMemFree(pTransformFilter);
229 static HRESULT WINAPI TransformFilter_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
231 TransformFilterImpl *This = (TransformFilterImpl *)iface;
232 TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
236 if (IsEqualIID(riid, &IID_IUnknown))
238 else if (IsEqualIID(riid, &IID_IPersist))
240 else if (IsEqualIID(riid, &IID_IMediaFilter))
242 else if (IsEqualIID(riid, &IID_IBaseFilter))
247 IUnknown_AddRef((IUnknown *)(*ppv));
251 FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
253 return E_NOINTERFACE;
256 static ULONG WINAPI TransformFilter_AddRef(IBaseFilter * iface)
258 TransformFilterImpl *This = (TransformFilterImpl *)iface;
259 ULONG refCount = InterlockedIncrement(&This->refCount);
261 TRACE("(%p/%p)->() AddRef from %ld\n", This, iface, refCount - 1);
266 static ULONG WINAPI TransformFilter_Release(IBaseFilter * iface)
268 TransformFilterImpl *This = (TransformFilterImpl *)iface;
269 ULONG refCount = InterlockedDecrement(&This->refCount);
271 TRACE("(%p/%p)->() Release from %ld\n", This, iface, refCount + 1);
277 DeleteCriticalSection(&This->csFilter);
278 IReferenceClock_Release(This->pClock);
280 for (i = 0; i < 2; i++)
281 IPin_Release(This->ppPins[i]);
283 HeapFree(GetProcessHeap(), 0, This->ppPins);
286 This->pFuncsTable->pfnCleanup(This);
288 TRACE("Destroying transform filter\n");
297 /** IPersist methods **/
299 static HRESULT WINAPI TransformFilter_GetClassID(IBaseFilter * iface, CLSID * pClsid)
301 TransformFilterImpl *This = (TransformFilterImpl *)iface;
303 TRACE("(%p/%p)->(%p)\n", This, iface, pClsid);
305 *pClsid = This->clsid;
310 /** IMediaFilter methods **/
312 static HRESULT WINAPI TransformFilter_Stop(IBaseFilter * iface)
314 TransformFilterImpl *This = (TransformFilterImpl *)iface;
316 TRACE("(%p/%p)\n", This, iface);
318 EnterCriticalSection(&This->csFilter);
320 This->state = State_Stopped;
321 if (This->pFuncsTable->pfnProcessEnd)
322 This->pFuncsTable->pfnProcessEnd(This);
324 LeaveCriticalSection(&This->csFilter);
329 static HRESULT WINAPI TransformFilter_Pause(IBaseFilter * iface)
331 TransformFilterImpl *This = (TransformFilterImpl *)iface;
333 TRACE("(%p/%p)->()\n", This, iface);
335 EnterCriticalSection(&This->csFilter);
337 This->state = State_Paused;
339 LeaveCriticalSection(&This->csFilter);
344 static HRESULT WINAPI TransformFilter_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
347 TransformFilterImpl *This = (TransformFilterImpl *)iface;
349 TRACE("(%p/%p)->(%s)\n", This, iface, wine_dbgstr_longlong(tStart));
351 EnterCriticalSection(&This->csFilter);
353 This->rtStreamStart = tStart;
354 This->state = State_Running;
355 OutputPin_CommitAllocator((OutputPin *)This->ppPins[1]);
356 if (This->pFuncsTable->pfnProcessBegin)
357 This->pFuncsTable->pfnProcessBegin(This);
359 LeaveCriticalSection(&This->csFilter);
364 static HRESULT WINAPI TransformFilter_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
366 TransformFilterImpl *This = (TransformFilterImpl *)iface;
368 TRACE("(%p/%p)->(%ld, %p)\n", This, iface, dwMilliSecsTimeout, pState);
370 EnterCriticalSection(&This->csFilter);
372 *pState = This->state;
374 LeaveCriticalSection(&This->csFilter);
379 static HRESULT WINAPI TransformFilter_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
381 TransformFilterImpl *This = (TransformFilterImpl *)iface;
383 TRACE("(%p/%p)->(%p)\n", This, iface, pClock);
385 EnterCriticalSection(&This->csFilter);
388 IReferenceClock_Release(This->pClock);
389 This->pClock = pClock;
391 IReferenceClock_AddRef(This->pClock);
393 LeaveCriticalSection(&This->csFilter);
398 static HRESULT WINAPI TransformFilter_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
400 TransformFilterImpl *This = (TransformFilterImpl *)iface;
402 TRACE("(%p/%p)->(%p)\n", This, iface, ppClock);
404 EnterCriticalSection(&This->csFilter);
406 *ppClock = This->pClock;
407 IReferenceClock_AddRef(This->pClock);
409 LeaveCriticalSection(&This->csFilter);
414 /** IBaseFilter implementation **/
416 static HRESULT WINAPI TransformFilter_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
419 TransformFilterImpl *This = (TransformFilterImpl *)iface;
421 TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
423 epd.cPins = 2; /* input and output pins */
424 epd.ppPins = This->ppPins;
425 return IEnumPinsImpl_Construct(&epd, ppEnum);
428 static HRESULT WINAPI TransformFilter_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
430 TransformFilterImpl *This = (TransformFilterImpl *)iface;
432 TRACE("(%p/%p)->(%p,%p)\n", This, iface, debugstr_w(Id), ppPin);
437 static HRESULT WINAPI TransformFilter_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
439 TransformFilterImpl *This = (TransformFilterImpl *)iface;
441 TRACE("(%p/%p)->(%p)\n", This, iface, pInfo);
443 strcpyW(pInfo->achName, This->filterInfo.achName);
444 pInfo->pGraph = This->filterInfo.pGraph;
447 IFilterGraph_AddRef(pInfo->pGraph);
452 static HRESULT WINAPI TransformFilter_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
455 TransformFilterImpl *This = (TransformFilterImpl *)iface;
457 TRACE("(%p/%p)->(%p, %s)\n", This, iface, pGraph, debugstr_w(pName));
459 EnterCriticalSection(&This->csFilter);
462 strcpyW(This->filterInfo.achName, pName);
464 *This->filterInfo.achName = '\0';
465 This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
467 LeaveCriticalSection(&This->csFilter);
472 static HRESULT WINAPI TransformFilter_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
474 TransformFilterImpl *This = (TransformFilterImpl *)iface;
475 TRACE("(%p/%p)->(%p)\n", This, iface, pVendorInfo);
479 static const IBaseFilterVtbl TransformFilter_Vtbl =
481 TransformFilter_QueryInterface,
482 TransformFilter_AddRef,
483 TransformFilter_Release,
484 TransformFilter_GetClassID,
485 TransformFilter_Stop,
486 TransformFilter_Pause,
488 TransformFilter_GetState,
489 TransformFilter_SetSyncSource,
490 TransformFilter_GetSyncSource,
491 TransformFilter_EnumPins,
492 TransformFilter_FindPin,
493 TransformFilter_QueryFilterInfo,
494 TransformFilter_JoinFilterGraph,
495 TransformFilter_QueryVendorInfo
498 HRESULT WINAPI TransformFilter_InputPin_EndOfStream(IPin * iface)
500 InputPin* This = (InputPin*) iface;
501 TransformFilterImpl* pTransform;
505 TRACE("(%p)->()\n", iface);
507 /* Since we process samples synchronously, just forward notification downstream */
508 pTransform = (TransformFilterImpl*)This->pin.pinInfo.pFilter;
512 hr = IPin_ConnectedTo(pTransform->ppPins[1], &ppin);
515 hr = IPin_EndOfStream(ppin);
524 static const IPinVtbl TransformFilter_InputPin_Vtbl =
526 InputPin_QueryInterface,
530 InputPin_ReceiveConnection,
532 IPinImpl_ConnectedTo,
533 IPinImpl_ConnectionMediaType,
534 IPinImpl_QueryPinInfo,
535 IPinImpl_QueryDirection,
537 IPinImpl_QueryAccept,
538 IPinImpl_EnumMediaTypes,
539 IPinImpl_QueryInternalConnections,
540 TransformFilter_InputPin_EndOfStream,
546 HRESULT WINAPI TransformFilter_Output_EnumMediaTypes(IPin * iface, IEnumMediaTypes ** ppEnum)
548 IPinImpl *This = (IPinImpl *)iface;
549 ENUMMEDIADETAILS emd;
551 TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
554 emd.pMediaTypes = &This->mtCurrent;
556 return IEnumMediaTypesImpl_Construct(&emd, ppEnum);
559 HRESULT WINAPI TransformFilter_Output_Disconnect(IPin * iface)
561 OutputPin* This = (OutputPin*)iface;
563 TransformFilterImpl* pTransformFilter = (TransformFilterImpl*)This->pin.pinInfo.pFilter;
565 TRACE("(%p/%p)->()\n", This, iface);
567 hr = OutputPin_Disconnect(iface);
571 pTransformFilter->pFuncsTable->pfnCleanup(pTransformFilter);
577 static const IPinVtbl TransformFilter_OutputPin_Vtbl =
579 OutputPin_QueryInterface,
583 OutputPin_ReceiveConnection,
584 TransformFilter_Output_Disconnect,
585 IPinImpl_ConnectedTo,
586 IPinImpl_ConnectionMediaType,
587 IPinImpl_QueryPinInfo,
588 IPinImpl_QueryDirection,
590 IPinImpl_QueryAccept,
591 TransformFilter_Output_EnumMediaTypes,
592 IPinImpl_QueryInternalConnections,
593 OutputPin_EndOfStream,
594 OutputPin_BeginFlush,
599 static const IMemInputPinVtbl MemInputPin_Vtbl =
601 MemInputPin_QueryInterface,
604 MemInputPin_GetAllocator,
605 MemInputPin_NotifyAllocator,
606 MemInputPin_GetAllocatorRequirements,
608 MemInputPin_ReceiveMultiple,
609 MemInputPin_ReceiveCanBlock