8bbb1f81130bb04adc99ab5e12d1ab9d159f76f6
[reactos.git] / reactos / lib / 3rdparty / strmbase / renderer.c
1 /*
2 * Generic Implementation of strmbase Base Renderer classes
3 *
4 * Copyright 2012 Aric Stewart, CodeWeavers
5 *
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.
10 *
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.
15 *
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
19 */
20
21 #define COBJMACROS
22
23 #include "dshow.h"
24 #include "wine/debug.h"
25 #include "wine/unicode.h"
26 #include "wine/strmbase.h"
27 #include "uuids.h"
28 #include "vfwmsgs.h"
29 #include "strmbase_private.h"
30
31 WINE_DEFAULT_DEBUG_CHANNEL(strmbase);
32
33 static const WCHAR wcsInputPinName[] = {'i','n','p','u','t',' ','p','i','n',0};
34 static const WCHAR wcsAltInputPinName[] = {'I','n',0};
35
36 static inline BaseInputPin *impl_BaseInputPin_from_IPin( IPin *iface )
37 {
38 return CONTAINING_RECORD(iface, BaseInputPin, pin.IPin_iface);
39 }
40
41 static inline BaseRenderer *impl_from_IBaseFilter(IBaseFilter *iface)
42 {
43 return CONTAINING_RECORD(iface, BaseRenderer, filter.IBaseFilter_iface);
44 }
45
46 static inline BaseRenderer *impl_from_BaseFilter(BaseFilter *iface)
47 {
48 return CONTAINING_RECORD(iface, BaseRenderer, filter);
49 }
50
51 static const IQualityControlVtbl Renderer_QualityControl_Vtbl = {
52 QualityControlImpl_QueryInterface,
53 QualityControlImpl_AddRef,
54 QualityControlImpl_Release,
55 QualityControlImpl_Notify,
56 QualityControlImpl_SetSink
57 };
58
59 static HRESULT WINAPI BaseRenderer_InputPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
60 {
61 BaseInputPin *This = impl_BaseInputPin_from_IPin(iface);
62 BaseRenderer *renderer = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
63 HRESULT hr = S_OK;
64
65 TRACE("(%p/%p)->(%p, %p)\n", This, renderer, pReceivePin, pmt);
66
67 EnterCriticalSection(This->pin.pCritSec);
68 hr = BaseInputPinImpl_ReceiveConnection(iface, pReceivePin, pmt);
69 if (SUCCEEDED(hr))
70 {
71 if (renderer->pFuncsTable->pfnCompleteConnect)
72 hr = renderer->pFuncsTable->pfnCompleteConnect(renderer, pReceivePin);
73 }
74 LeaveCriticalSection(This->pin.pCritSec);
75
76 return hr;
77 }
78
79 static HRESULT WINAPI BaseRenderer_InputPin_Disconnect(IPin * iface)
80 {
81 BaseInputPin *This = impl_BaseInputPin_from_IPin(iface);
82 BaseRenderer *renderer = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
83 HRESULT hr;
84
85 TRACE("(%p/%p)\n", This, renderer);
86
87 EnterCriticalSection(This->pin.pCritSec);
88 hr = BasePinImpl_Disconnect(iface);
89 if (SUCCEEDED(hr))
90 {
91 if (renderer->pFuncsTable->pfnBreakConnect)
92 hr = renderer->pFuncsTable->pfnBreakConnect(renderer);
93 }
94 BaseRendererImpl_ClearPendingSample(renderer);
95 LeaveCriticalSection(This->pin.pCritSec);
96
97 return hr;
98 }
99
100 static HRESULT WINAPI BaseRenderer_InputPin_EndOfStream(IPin * iface)
101 {
102 HRESULT hr = S_OK;
103 BaseInputPin* This = impl_BaseInputPin_from_IPin(iface);
104 BaseRenderer *pFilter = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
105
106 TRACE("(%p/%p)->()\n", This, pFilter);
107
108 EnterCriticalSection(&pFilter->filter.csFilter);
109 EnterCriticalSection(&pFilter->csRenderLock);
110 hr = BaseInputPinImpl_EndOfStream(iface);
111 EnterCriticalSection(This->pin.pCritSec);
112 if (SUCCEEDED(hr))
113 {
114 if (pFilter->pFuncsTable->pfnEndOfStream)
115 hr = pFilter->pFuncsTable->pfnEndOfStream(pFilter);
116 else
117 hr = BaseRendererImpl_EndOfStream(pFilter);
118 }
119 LeaveCriticalSection(This->pin.pCritSec);
120 LeaveCriticalSection(&pFilter->csRenderLock);
121 LeaveCriticalSection(&pFilter->filter.csFilter);
122 return hr;
123 }
124
125 static HRESULT WINAPI BaseRenderer_InputPin_BeginFlush(IPin * iface)
126 {
127 BaseInputPin* This = impl_BaseInputPin_from_IPin(iface);
128 BaseRenderer *pFilter = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
129 HRESULT hr = S_OK;
130
131 TRACE("(%p/%p)->()\n", This, iface);
132
133 EnterCriticalSection(&pFilter->filter.csFilter);
134 EnterCriticalSection(&pFilter->csRenderLock);
135 EnterCriticalSection(This->pin.pCritSec);
136 hr = BaseInputPinImpl_BeginFlush(iface);
137 if (SUCCEEDED(hr))
138 {
139 if (pFilter->pFuncsTable->pfnBeginFlush)
140 hr = pFilter->pFuncsTable->pfnBeginFlush(pFilter);
141 else
142 hr = BaseRendererImpl_BeginFlush(pFilter);
143 }
144 LeaveCriticalSection(This->pin.pCritSec);
145 LeaveCriticalSection(&pFilter->filter.csFilter);
146 LeaveCriticalSection(&pFilter->csRenderLock);
147 return hr;
148 }
149
150 static HRESULT WINAPI BaseRenderer_InputPin_EndFlush(IPin * iface)
151 {
152 BaseInputPin* This = impl_BaseInputPin_from_IPin(iface);
153 BaseRenderer *pFilter = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
154 HRESULT hr = S_OK;
155
156 TRACE("(%p/%p)->()\n", This, pFilter);
157
158 EnterCriticalSection(&pFilter->filter.csFilter);
159 EnterCriticalSection(&pFilter->csRenderLock);
160 EnterCriticalSection(This->pin.pCritSec);
161 hr = BaseInputPinImpl_EndFlush(iface);
162 if (SUCCEEDED(hr))
163 {
164 if (pFilter->pFuncsTable->pfnEndFlush)
165 hr = pFilter->pFuncsTable->pfnEndFlush(pFilter);
166 else
167 hr = BaseRendererImpl_EndFlush(pFilter);
168 }
169 LeaveCriticalSection(This->pin.pCritSec);
170 LeaveCriticalSection(&pFilter->csRenderLock);
171 LeaveCriticalSection(&pFilter->filter.csFilter);
172 return hr;
173 }
174
175 static const IPinVtbl BaseRenderer_InputPin_Vtbl =
176 {
177 BaseInputPinImpl_QueryInterface,
178 BasePinImpl_AddRef,
179 BaseInputPinImpl_Release,
180 BaseInputPinImpl_Connect,
181 BaseRenderer_InputPin_ReceiveConnection,
182 BaseRenderer_InputPin_Disconnect,
183 BasePinImpl_ConnectedTo,
184 BasePinImpl_ConnectionMediaType,
185 BasePinImpl_QueryPinInfo,
186 BasePinImpl_QueryDirection,
187 BasePinImpl_QueryId,
188 BaseInputPinImpl_QueryAccept,
189 BasePinImpl_EnumMediaTypes,
190 BasePinImpl_QueryInternalConnections,
191 BaseRenderer_InputPin_EndOfStream,
192 BaseRenderer_InputPin_BeginFlush,
193 BaseRenderer_InputPin_EndFlush,
194 BaseInputPinImpl_NewSegment
195 };
196
197 static IPin* WINAPI BaseRenderer_GetPin(BaseFilter *iface, int pos)
198 {
199 BaseRenderer *This = impl_from_BaseFilter(iface);
200
201 if (pos >= 1 || pos < 0)
202 return NULL;
203
204 IPin_AddRef(&This->pInputPin->pin.IPin_iface);
205 return &This->pInputPin->pin.IPin_iface;
206 }
207
208 static LONG WINAPI BaseRenderer_GetPinCount(BaseFilter *iface)
209 {
210 return 1;
211 }
212
213 static HRESULT WINAPI BaseRenderer_Input_CheckMediaType(BasePin *pin, const AM_MEDIA_TYPE * pmt)
214 {
215 BaseRenderer *This = impl_from_IBaseFilter(pin->pinInfo.pFilter);
216 return This->pFuncsTable->pfnCheckMediaType(This, pmt);
217 }
218
219 static HRESULT WINAPI BaseRenderer_Receive(BaseInputPin *pin, IMediaSample * pSample)
220 {
221 BaseRenderer *This = impl_from_IBaseFilter(pin->pin.pinInfo.pFilter);
222 return BaseRendererImpl_Receive(This, pSample);
223 }
224
225 static const BaseFilterFuncTable RendererBaseFilterFuncTable = {
226 BaseRenderer_GetPin,
227 BaseRenderer_GetPinCount
228 };
229
230 static const BasePinFuncTable input_BaseFuncTable = {
231 BaseRenderer_Input_CheckMediaType,
232 NULL,
233 BasePinImpl_GetMediaTypeVersion,
234 BasePinImpl_GetMediaType
235 };
236
237 static const BaseInputPinFuncTable input_BaseInputFuncTable = {
238 BaseRenderer_Receive
239 };
240
241
242 HRESULT WINAPI BaseRenderer_Init(BaseRenderer * This, const IBaseFilterVtbl *Vtbl, IUnknown *pUnkOuter, const CLSID *pClsid, DWORD_PTR DebugInfo, const BaseRendererFuncTable* pBaseFuncsTable)
243 {
244 PIN_INFO piInput;
245 HRESULT hr;
246
247 BaseFilter_Init(&This->filter, Vtbl, pClsid, DebugInfo, &RendererBaseFilterFuncTable);
248
249 This->pFuncsTable = pBaseFuncsTable;
250
251 /* construct input pin */
252 piInput.dir = PINDIR_INPUT;
253 piInput.pFilter = &This->filter.IBaseFilter_iface;
254 lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
255
256 hr = BaseInputPin_Construct(&BaseRenderer_InputPin_Vtbl, &piInput, &input_BaseFuncTable, &input_BaseInputFuncTable, &This->filter.csFilter, NULL, (IPin **)&This->pInputPin);
257
258 if (SUCCEEDED(hr))
259 {
260 hr = CreatePosPassThru(pUnkOuter ? pUnkOuter: (IUnknown*)This, TRUE, &This->pInputPin->pin.IPin_iface, &This->pPosition);
261 if (FAILED(hr))
262 return hr;
263
264 InitializeCriticalSection(&This->csRenderLock);
265 This->csRenderLock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__": BaseRenderer.csRenderLock");
266 This->evComplete = CreateEventW(NULL, TRUE, TRUE, NULL);
267 This->ThreadSignal = CreateEventW(NULL, TRUE, TRUE, NULL);
268 This->RenderEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
269 This->pMediaSample = NULL;
270
271 QualityControlImpl_Create(&This->pInputPin->pin.IPin_iface, &This->filter.IBaseFilter_iface, &This->qcimpl);
272 This->qcimpl->IQualityControl_iface.lpVtbl = &Renderer_QualityControl_Vtbl;
273 }
274
275 return hr;
276 }
277
278 HRESULT WINAPI BaseRendererImpl_QueryInterface(IBaseFilter* iface, REFIID riid, LPVOID * ppv)
279 {
280 BaseRenderer *This = impl_from_IBaseFilter(iface);
281
282 if (IsEqualIID(riid, &IID_IMediaSeeking) || IsEqualIID(riid, &IID_IMediaPosition))
283 return IUnknown_QueryInterface(This->pPosition, riid, ppv);
284 else if (IsEqualIID(riid, &IID_IQualityControl))
285 {
286 *ppv = &This->qcimpl->IQualityControl_iface;
287 IUnknown_AddRef((IUnknown *)(*ppv));
288 return S_OK;
289 }
290 else
291 return BaseFilterImpl_QueryInterface(iface, riid, ppv);
292 }
293
294 ULONG WINAPI BaseRendererImpl_Release(IBaseFilter* iface)
295 {
296 BaseRenderer *This = impl_from_IBaseFilter(iface);
297 ULONG refCount = BaseFilterImpl_Release(iface);
298
299 if (!refCount)
300 {
301 IPin *pConnectedTo;
302
303 if (SUCCEEDED(IPin_ConnectedTo(&This->pInputPin->pin.IPin_iface, &pConnectedTo)))
304 {
305 IPin_Disconnect(pConnectedTo);
306 IPin_Release(pConnectedTo);
307 }
308 IPin_Disconnect(&This->pInputPin->pin.IPin_iface);
309 IPin_Release(&This->pInputPin->pin.IPin_iface);
310
311 if (This->pPosition)
312 IUnknown_Release(This->pPosition);
313
314 This->csRenderLock.DebugInfo->Spare[0] = 0;
315 DeleteCriticalSection(&This->csRenderLock);
316
317 BaseRendererImpl_ClearPendingSample(This);
318 CloseHandle(This->evComplete);
319 CloseHandle(This->ThreadSignal);
320 CloseHandle(This->RenderEvent);
321 QualityControlImpl_Destroy(This->qcimpl);
322 }
323 return refCount;
324 }
325
326 HRESULT WINAPI BaseRendererImpl_Receive(BaseRenderer *This, IMediaSample * pSample)
327 {
328 HRESULT hr = S_OK;
329 REFERENCE_TIME start, stop;
330 AM_MEDIA_TYPE *pmt;
331
332 TRACE("(%p)->%p\n", This, pSample);
333
334 if (This->pInputPin->end_of_stream || This->pInputPin->flushing)
335 return S_FALSE;
336
337 if (This->filter.state == State_Stopped)
338 return VFW_E_WRONG_STATE;
339
340 if (IMediaSample_GetMediaType(pSample, &pmt) == S_OK)
341 {
342 if (FAILED(This->pFuncsTable->pfnCheckMediaType(This, pmt)))
343 {
344 return VFW_E_TYPE_NOT_ACCEPTED;
345 }
346 }
347
348 This->pMediaSample = pSample;
349 IMediaSample_AddRef(pSample);
350
351 if (This->pFuncsTable->pfnPrepareReceive)
352 hr = This->pFuncsTable->pfnPrepareReceive(This, pSample);
353 if (FAILED(hr))
354 {
355 if (hr == VFW_E_SAMPLE_REJECTED)
356 return S_OK;
357 else
358 return hr;
359 }
360
361 if (This->pFuncsTable->pfnPrepareRender)
362 This->pFuncsTable->pfnPrepareRender(This);
363
364 EnterCriticalSection(&This->csRenderLock);
365 if ( This->filter.state == State_Paused )
366 {
367 if (This->pFuncsTable->pfnOnReceiveFirstSample)
368 This->pFuncsTable->pfnOnReceiveFirstSample(This, pSample);
369
370 SetEvent(This->evComplete);
371 }
372
373 /* Wait for render Time */
374 if (SUCCEEDED(IMediaSample_GetTime(pSample, &start, &stop)))
375 {
376 hr = S_FALSE;
377 RendererPosPassThru_RegisterMediaTime(This->pPosition, start);
378 if (This->pFuncsTable->pfnShouldDrawSampleNow)
379 hr = This->pFuncsTable->pfnShouldDrawSampleNow(This, pSample, &start, &stop);
380
381 if (hr == S_OK)
382 ;/* Do not wait: drop through */
383 else if (hr == S_FALSE)
384 {
385 if (This->pFuncsTable->pfnOnWaitStart)
386 This->pFuncsTable->pfnOnWaitStart(This);
387
388 LeaveCriticalSection(&This->csRenderLock);
389 hr = QualityControlRender_WaitFor(This->qcimpl, pSample, This->RenderEvent);
390 EnterCriticalSection(&This->csRenderLock);
391
392 if (This->pFuncsTable->pfnOnWaitEnd)
393 This->pFuncsTable->pfnOnWaitEnd(This);
394 }
395 else
396 {
397 LeaveCriticalSection(&This->csRenderLock);
398 /* Drop Sample */
399 return S_OK;
400 }
401 }
402
403 if (SUCCEEDED(hr))
404 {
405 QualityControlRender_BeginRender(This->qcimpl);
406 hr = This->pFuncsTable->pfnDoRenderSample(This, pSample);
407 QualityControlRender_EndRender(This->qcimpl);
408 }
409
410 QualityControlRender_DoQOS(This->qcimpl);
411
412 BaseRendererImpl_ClearPendingSample(This);
413 LeaveCriticalSection(&This->csRenderLock);
414
415 return hr;
416 }
417
418 HRESULT WINAPI BaseRendererImpl_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
419 {
420 BaseRenderer *This = impl_from_IBaseFilter(iface);
421
422 TRACE("(%p)->(%s,%p)\n", This, debugstr_w(Id), ppPin);
423
424 if (!Id || !ppPin)
425 return E_POINTER;
426
427 if (!lstrcmpiW(Id,wcsInputPinName) || !lstrcmpiW(Id,wcsAltInputPinName))
428 {
429 *ppPin = &This->pInputPin->pin.IPin_iface;
430 IPin_AddRef(*ppPin);
431 return S_OK;
432 }
433 *ppPin = NULL;
434 return VFW_E_NOT_FOUND;
435 }
436
437 HRESULT WINAPI BaseRendererImpl_Stop(IBaseFilter * iface)
438 {
439 BaseRenderer *This = impl_from_IBaseFilter(iface);
440
441 TRACE("(%p)->()\n", This);
442
443 EnterCriticalSection(&This->csRenderLock);
444 {
445 RendererPosPassThru_ResetMediaTime(This->pPosition);
446 if (This->pFuncsTable->pfnOnStopStreaming)
447 This->pFuncsTable->pfnOnStopStreaming(This);
448 This->filter.state = State_Stopped;
449 SetEvent(This->evComplete);
450 SetEvent(This->ThreadSignal);
451 SetEvent(This->RenderEvent);
452 }
453 LeaveCriticalSection(&This->csRenderLock);
454
455 return S_OK;
456 }
457
458 HRESULT WINAPI BaseRendererImpl_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
459 {
460 HRESULT hr = S_OK;
461 BaseRenderer *This = impl_from_IBaseFilter(iface);
462 TRACE("(%p)->(%s)\n", This, wine_dbgstr_longlong(tStart));
463
464 EnterCriticalSection(&This->csRenderLock);
465 This->filter.rtStreamStart = tStart;
466 if (This->filter.state == State_Running)
467 goto out;
468
469 SetEvent(This->evComplete);
470 ResetEvent(This->ThreadSignal);
471
472 if (This->pInputPin->pin.pConnectedTo)
473 {
474 This->pInputPin->end_of_stream = 0;
475 }
476 else if (This->filter.filterInfo.pGraph)
477 {
478 IMediaEventSink *pEventSink;
479 hr = IFilterGraph_QueryInterface(This->filter.filterInfo.pGraph, &IID_IMediaEventSink, (LPVOID*)&pEventSink);
480 if (SUCCEEDED(hr))
481 {
482 hr = IMediaEventSink_Notify(pEventSink, EC_COMPLETE, S_OK, (LONG_PTR)This);
483 IMediaEventSink_Release(pEventSink);
484 }
485 hr = S_OK;
486 }
487 if (SUCCEEDED(hr))
488 {
489 QualityControlRender_Start(This->qcimpl, This->filter.rtStreamStart);
490 if (This->pFuncsTable->pfnOnStartStreaming)
491 This->pFuncsTable->pfnOnStartStreaming(This);
492 if (This->filter.state == State_Stopped)
493 BaseRendererImpl_ClearPendingSample(This);
494 SetEvent(This->RenderEvent);
495 This->filter.state = State_Running;
496 }
497 out:
498 LeaveCriticalSection(&This->csRenderLock);
499
500 return hr;
501 }
502
503 HRESULT WINAPI BaseRendererImpl_Pause(IBaseFilter * iface)
504 {
505 BaseRenderer *This = impl_from_IBaseFilter(iface);
506
507 TRACE("(%p)->()\n", This);
508
509 EnterCriticalSection(&This->csRenderLock);
510 {
511 if (This->filter.state != State_Paused)
512 {
513 if (This->filter.state == State_Stopped)
514 {
515 if (This->pInputPin->pin.pConnectedTo)
516 ResetEvent(This->evComplete);
517 This->pInputPin->end_of_stream = 0;
518 }
519 else if (This->pFuncsTable->pfnOnStopStreaming)
520 This->pFuncsTable->pfnOnStopStreaming(This);
521
522 if (This->filter.state == State_Stopped)
523 BaseRendererImpl_ClearPendingSample(This);
524 ResetEvent(This->RenderEvent);
525 This->filter.state = State_Paused;
526 }
527 }
528 ResetEvent(This->ThreadSignal);
529 LeaveCriticalSection(&This->csRenderLock);
530
531 return S_OK;
532 }
533
534 HRESULT WINAPI BaseRendererImpl_SetSyncSource(IBaseFilter *iface, IReferenceClock *clock)
535 {
536 BaseRenderer *This = impl_from_IBaseFilter(iface);
537 HRESULT hr;
538
539 EnterCriticalSection(&This->filter.csFilter);
540 QualityControlRender_SetClock(This->qcimpl, clock);
541 hr = BaseFilterImpl_SetSyncSource(iface, clock);
542 LeaveCriticalSection(&This->filter.csFilter);
543 return hr;
544 }
545
546
547 HRESULT WINAPI BaseRendererImpl_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
548 {
549 HRESULT hr;
550 BaseRenderer *This = impl_from_IBaseFilter(iface);
551
552 TRACE("(%p)->(%d, %p)\n", This, dwMilliSecsTimeout, pState);
553
554 if (WaitForSingleObject(This->evComplete, dwMilliSecsTimeout) == WAIT_TIMEOUT)
555 hr = VFW_S_STATE_INTERMEDIATE;
556 else
557 hr = S_OK;
558
559 BaseFilterImpl_GetState(iface, dwMilliSecsTimeout, pState);
560
561 return hr;
562 }
563
564 HRESULT WINAPI BaseRendererImpl_EndOfStream(BaseRenderer* iface)
565 {
566 IMediaEventSink* pEventSink;
567 IFilterGraph *graph;
568 HRESULT hr = S_OK;
569
570 TRACE("(%p)\n", iface);
571
572 graph = iface->filter.filterInfo.pGraph;
573 if (graph)
574 { hr = IFilterGraph_QueryInterface(iface->filter.filterInfo.pGraph, &IID_IMediaEventSink, (LPVOID*)&pEventSink);
575 if (SUCCEEDED(hr))
576 {
577 hr = IMediaEventSink_Notify(pEventSink, EC_COMPLETE, S_OK, (LONG_PTR)iface);
578 IMediaEventSink_Release(pEventSink);
579 }
580 }
581 RendererPosPassThru_EOS(iface->pPosition);
582 SetEvent(iface->evComplete);
583
584 return hr;
585 }
586
587 HRESULT WINAPI BaseRendererImpl_BeginFlush(BaseRenderer* iface)
588 {
589 TRACE("(%p)\n", iface);
590 BaseRendererImpl_ClearPendingSample(iface);
591 SetEvent(iface->ThreadSignal);
592 SetEvent(iface->RenderEvent);
593 return S_OK;
594 }
595
596 HRESULT WINAPI BaseRendererImpl_EndFlush(BaseRenderer* iface)
597 {
598 TRACE("(%p)\n", iface);
599 QualityControlRender_Start(iface->qcimpl, iface->filter.rtStreamStart);
600 RendererPosPassThru_ResetMediaTime(iface->pPosition);
601 ResetEvent(iface->ThreadSignal);
602 ResetEvent(iface->RenderEvent);
603 return S_OK;
604 }
605
606 HRESULT WINAPI BaseRendererImpl_ClearPendingSample(BaseRenderer *iface)
607 {
608 if (iface->pMediaSample)
609 {
610 IMediaSample_Release(iface->pMediaSample);
611 iface->pMediaSample = NULL;
612 }
613 return S_OK;
614 }