4b968a398cb699bf14ea1687cb690468b3655191
[reactos.git] / dll / directx / wine / quartz / parser.c
1 /*
2 * Parser (Base for parsers and splitters)
3 *
4 * Copyright 2003 Robert Shearman
5 * Copyright 2004-2005 Christian Costa
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "quartz_private.h"
23 #include "pin.h"
24
25 #include "vfwmsgs.h"
26 #include "amvideo.h"
27
28 #include "wine/unicode.h"
29 #include "wine/debug.h"
30
31 #include <math.h>
32 #include <assert.h>
33
34 #include "parser.h"
35
36 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
37
38 static const WCHAR wcsInputPinName[] = {'i','n','p','u','t',' ','p','i','n',0};
39 static const IMediaSeekingVtbl Parser_Seeking_Vtbl;
40 static const IPinVtbl Parser_OutputPin_Vtbl;
41 static const IPinVtbl Parser_InputPin_Vtbl;
42
43 static HRESULT WINAPI Parser_ChangeStart(IMediaSeeking *iface);
44 static HRESULT WINAPI Parser_ChangeStop(IMediaSeeking *iface);
45 static HRESULT WINAPI Parser_ChangeRate(IMediaSeeking *iface);
46 static HRESULT WINAPI Parser_OutputPin_DecideBufferSize(BaseOutputPin *iface, IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest);
47 static HRESULT WINAPI Parser_OutputPin_GetMediaType(BasePin *iface, int iPosition, AM_MEDIA_TYPE *pmt);
48 static HRESULT WINAPI Parser_OutputPin_DecideAllocator(BaseOutputPin *This, IMemInputPin *pPin, IMemAllocator **pAlloc);
49 static HRESULT WINAPI Parser_OutputPin_BreakConnect(BaseOutputPin *This);
50
51 static inline ParserImpl *impl_from_IMediaSeeking( IMediaSeeking *iface )
52 {
53 return CONTAINING_RECORD(iface, ParserImpl, sourceSeeking.IMediaSeeking_iface);
54 }
55
56 static inline ParserImpl *impl_from_IBaseFilter( IBaseFilter *iface )
57 {
58 return CONTAINING_RECORD(iface, ParserImpl, filter.IBaseFilter_iface);
59 }
60
61 static inline ParserImpl *impl_from_BaseFilter( BaseFilter *iface )
62 {
63 return CONTAINING_RECORD(iface, ParserImpl, filter);
64 }
65
66 /* FIXME: WRONG */
67 static IPin* WINAPI Parser_GetPin(BaseFilter *iface, int pos)
68 {
69 ParserImpl *This = impl_from_BaseFilter(iface);
70
71 TRACE("%p->(%x)\n", This, pos);
72
73 /* Input pin also has a pin, hence the > and not >= */
74 if (pos > This->cStreams || pos < 0)
75 return NULL;
76
77 IPin_AddRef(This->ppPins[pos]);
78 return This->ppPins[pos];
79 }
80
81 static LONG WINAPI Parser_GetPinCount(BaseFilter *iface)
82 {
83 ParserImpl *This = impl_from_BaseFilter(iface);
84
85 TRACE("%p->()\n", This);
86
87 return This->cStreams;
88 }
89
90 static const BaseFilterFuncTable BaseFuncTable = {
91 Parser_GetPin,
92 Parser_GetPinCount
93 };
94
95 HRESULT Parser_Create(ParserImpl* pParser, const IBaseFilterVtbl *Parser_Vtbl, const CLSID* pClsid, PFN_PROCESS_SAMPLE fnProcessSample, PFN_QUERY_ACCEPT fnQueryAccept, PFN_PRE_CONNECT fnPreConnect, PFN_CLEANUP fnCleanup, PFN_DISCONNECT fnDisconnect, REQUESTPROC fnRequest, STOPPROCESSPROC fnDone, SourceSeeking_ChangeStop stop, SourceSeeking_ChangeStart start, SourceSeeking_ChangeRate rate)
96 {
97 HRESULT hr;
98 PIN_INFO piInput;
99
100 /* pTransformFilter is already allocated */
101 BaseFilter_Init(&pParser->filter, Parser_Vtbl, pClsid, (DWORD_PTR)(__FILE__ ": ParserImpl.csFilter"), &BaseFuncTable);
102
103 pParser->fnDisconnect = fnDisconnect;
104
105 pParser->cStreams = 0;
106 pParser->ppPins = CoTaskMemAlloc(1 * sizeof(IPin *));
107
108 /* construct input pin */
109 piInput.dir = PINDIR_INPUT;
110 piInput.pFilter = &pParser->filter.IBaseFilter_iface;
111 lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
112
113 if (!start)
114 start = Parser_ChangeStart;
115
116 if (!stop)
117 stop = Parser_ChangeStop;
118
119 if (!rate)
120 rate = Parser_ChangeRate;
121
122 SourceSeeking_Init(&pParser->sourceSeeking, &Parser_Seeking_Vtbl, stop, start, rate, &pParser->filter.csFilter);
123
124 hr = PullPin_Construct(&Parser_InputPin_Vtbl, &piInput, fnProcessSample, (LPVOID)pParser, fnQueryAccept, fnCleanup, fnRequest, fnDone, &pParser->filter.csFilter, (IPin **)&pParser->pInputPin);
125
126 if (SUCCEEDED(hr))
127 {
128 pParser->ppPins[0] = &pParser->pInputPin->pin.IPin_iface;
129 pParser->pInputPin->fnPreConnect = fnPreConnect;
130 }
131 else
132 {
133 CoTaskMemFree(pParser->ppPins);
134 BaseFilterImpl_Release(&pParser->filter.IBaseFilter_iface);
135 CoTaskMemFree(pParser);
136 }
137
138 return hr;
139 }
140
141 HRESULT WINAPI Parser_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
142 {
143 ParserImpl *This = impl_from_IBaseFilter(iface);
144 TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
145
146 *ppv = NULL;
147
148 if ( IsEqualIID(riid, &IID_IUnknown)
149 || IsEqualIID(riid, &IID_IPersist)
150 || IsEqualIID(riid, &IID_IMediaFilter)
151 || IsEqualIID(riid, &IID_IBaseFilter) )
152 *ppv = &This->filter.IBaseFilter_iface;
153
154 if (*ppv)
155 {
156 IUnknown_AddRef((IUnknown *)*ppv);
157 return S_OK;
158 }
159
160 if (!IsEqualIID(riid, &IID_IPin) &&
161 !IsEqualIID(riid, &IID_IVideoWindow) &&
162 !IsEqualIID(riid, &IID_IAMFilterMiscFlags))
163 {
164 FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
165 }
166
167 return E_NOINTERFACE;
168 }
169
170 ULONG WINAPI Parser_AddRef(IBaseFilter * iface)
171 {
172 return BaseFilterImpl_AddRef(iface);
173 }
174
175 void Parser_Destroy(ParserImpl *This)
176 {
177 IPin *connected = NULL;
178 ULONG pinref;
179 HRESULT hr;
180
181 assert(!This->filter.refCount);
182 PullPin_WaitForStateChange(This->pInputPin, INFINITE);
183
184 /* Don't need to clean up output pins, freeing input pin will do that */
185 IPin_ConnectedTo(&This->pInputPin->pin.IPin_iface, &connected);
186 if (connected)
187 {
188 hr = IPin_Disconnect(connected);
189 assert(hr == S_OK);
190 IPin_Release(connected);
191 hr = IPin_Disconnect(&This->pInputPin->pin.IPin_iface);
192 assert(hr == S_OK);
193 }
194 pinref = IPin_Release(&This->pInputPin->pin.IPin_iface);
195 if (pinref)
196 {
197 /* Valgrind could find this, if I kill it here */
198 ERR("pinref should be null, is %u, destroying anyway\n", pinref);
199 assert((LONG)pinref > 0);
200
201 while (pinref)
202 pinref = IPin_Release(&This->pInputPin->pin.IPin_iface);
203 }
204
205 CoTaskMemFree(This->ppPins);
206 BaseFilter_Destroy(&This->filter);
207
208 TRACE("Destroying parser\n");
209 CoTaskMemFree(This);
210 }
211
212 ULONG WINAPI Parser_Release(IBaseFilter * iface)
213 {
214 ParserImpl *This = impl_from_IBaseFilter(iface);
215 ULONG refCount = InterlockedDecrement(&This->filter.refCount);
216
217 TRACE("(%p)->() Release from %d\n", This, refCount + 1);
218
219 if (!refCount)
220 Parser_Destroy(This);
221
222 return refCount;
223 }
224
225 /** IPersist methods **/
226
227 HRESULT WINAPI Parser_GetClassID(IBaseFilter * iface, CLSID * pClsid)
228 {
229 ParserImpl *This = impl_from_IBaseFilter(iface);
230
231 TRACE("%p->(%p)\n", This, pClsid);
232
233 *pClsid = This->filter.clsid;
234
235 return S_OK;
236 }
237
238 /** IMediaFilter methods **/
239
240 HRESULT WINAPI Parser_Stop(IBaseFilter * iface)
241 {
242 ParserImpl *This = impl_from_IBaseFilter(iface);
243 PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
244 ULONG i;
245
246 TRACE("%p->()\n", This);
247
248 EnterCriticalSection(&pin->thread_lock);
249
250 IAsyncReader_BeginFlush(This->pInputPin->pReader);
251 EnterCriticalSection(&This->filter.csFilter);
252
253 if (This->filter.state == State_Stopped)
254 {
255 LeaveCriticalSection(&This->filter.csFilter);
256 IAsyncReader_EndFlush(This->pInputPin->pReader);
257 LeaveCriticalSection(&pin->thread_lock);
258 return S_OK;
259 }
260
261 This->filter.state = State_Stopped;
262
263 for (i = 1; i < (This->cStreams + 1); i++)
264 {
265 BaseOutputPinImpl_Inactive((BaseOutputPin *)This->ppPins[i]);
266 }
267
268 LeaveCriticalSection(&This->filter.csFilter);
269
270 PullPin_PauseProcessing(This->pInputPin);
271 PullPin_WaitForStateChange(This->pInputPin, INFINITE);
272 IAsyncReader_EndFlush(This->pInputPin->pReader);
273
274 LeaveCriticalSection(&pin->thread_lock);
275 return S_OK;
276 }
277
278 HRESULT WINAPI Parser_Pause(IBaseFilter * iface)
279 {
280 HRESULT hr = S_OK;
281 ParserImpl *This = impl_from_IBaseFilter(iface);
282 PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
283
284 TRACE("%p->()\n", This);
285
286 EnterCriticalSection(&pin->thread_lock);
287 EnterCriticalSection(&This->filter.csFilter);
288
289 if (This->filter.state == State_Paused)
290 {
291 LeaveCriticalSection(&This->filter.csFilter);
292 LeaveCriticalSection(&pin->thread_lock);
293 return S_OK;
294 }
295
296 if (This->filter.state == State_Stopped)
297 {
298 LeaveCriticalSection(&This->filter.csFilter);
299 hr = IBaseFilter_Run(iface, -1);
300 EnterCriticalSection(&This->filter.csFilter);
301 }
302
303 if (SUCCEEDED(hr))
304 This->filter.state = State_Paused;
305
306 LeaveCriticalSection(&This->filter.csFilter);
307 LeaveCriticalSection(&pin->thread_lock);
308
309 return hr;
310 }
311
312 HRESULT WINAPI Parser_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
313 {
314 HRESULT hr = S_OK;
315 ParserImpl *This = impl_from_IBaseFilter(iface);
316 PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
317
318 ULONG i;
319
320 TRACE("%p->(%s)\n", This, wine_dbgstr_longlong(tStart));
321
322 EnterCriticalSection(&pin->thread_lock);
323 EnterCriticalSection(&This->filter.csFilter);
324 {
325 HRESULT hr_any = VFW_E_NOT_CONNECTED;
326
327 This->filter.rtStreamStart = tStart;
328 if (This->filter.state == State_Running || This->filter.state == State_Paused)
329 {
330 This->filter.state = State_Running;
331 LeaveCriticalSection(&This->filter.csFilter);
332 LeaveCriticalSection(&pin->thread_lock);
333 return S_OK;
334 }
335
336 for (i = 1; i < (This->cStreams + 1); i++)
337 {
338 hr = BaseOutputPinImpl_Active((BaseOutputPin *)This->ppPins[i]);
339 if (SUCCEEDED(hr))
340 hr_any = hr;
341 }
342
343 hr = hr_any;
344 if (SUCCEEDED(hr))
345 {
346 LeaveCriticalSection(&This->filter.csFilter);
347 hr = PullPin_StartProcessing(This->pInputPin);
348 EnterCriticalSection(&This->filter.csFilter);
349 }
350
351 if (SUCCEEDED(hr))
352 This->filter.state = State_Running;
353 }
354 LeaveCriticalSection(&This->filter.csFilter);
355 LeaveCriticalSection(&pin->thread_lock);
356
357 return hr;
358 }
359
360 HRESULT WINAPI Parser_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
361 {
362 ParserImpl *This = impl_from_IBaseFilter(iface);
363 PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
364 HRESULT hr = S_OK;
365
366 TRACE("%p->(%d, %p)\n", This, dwMilliSecsTimeout, pState);
367
368 EnterCriticalSection(&pin->thread_lock);
369 EnterCriticalSection(&This->filter.csFilter);
370 {
371 *pState = This->filter.state;
372 }
373 LeaveCriticalSection(&This->filter.csFilter);
374
375 if (This->pInputPin && (PullPin_WaitForStateChange(This->pInputPin, dwMilliSecsTimeout) == S_FALSE))
376 hr = VFW_S_STATE_INTERMEDIATE;
377 LeaveCriticalSection(&pin->thread_lock);
378
379 return hr;
380 }
381
382 HRESULT WINAPI Parser_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
383 {
384 ParserImpl *This = impl_from_IBaseFilter(iface);
385 PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
386
387 TRACE("%p->(%p)\n", This, pClock);
388
389 EnterCriticalSection(&pin->thread_lock);
390 BaseFilterImpl_SetSyncSource(iface,pClock);
391 LeaveCriticalSection(&pin->thread_lock);
392
393 return S_OK;
394 }
395
396 HRESULT WINAPI Parser_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
397 {
398 return BaseFilterImpl_GetSyncSource(iface, ppClock);
399 }
400
401 /** IBaseFilter implementation **/
402
403 HRESULT WINAPI Parser_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
404 {
405 return BaseFilterImpl_EnumPins(iface,ppEnum);
406 }
407
408 HRESULT WINAPI Parser_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
409 {
410 ParserImpl *This = impl_from_IBaseFilter(iface);
411 FIXME("(%p)->(%s,%p)\n", This, debugstr_w(Id), ppPin);
412
413 /* FIXME: critical section */
414
415 return E_NOTIMPL;
416 }
417
418 HRESULT WINAPI Parser_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
419 {
420 return BaseFilterImpl_QueryFilterInfo(iface, pInfo);
421 }
422
423 HRESULT WINAPI Parser_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
424 {
425 return BaseFilterImpl_JoinFilterGraph(iface, pGraph, pName);
426 }
427
428 HRESULT WINAPI Parser_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
429 {
430 return BaseFilterImpl_QueryVendorInfo(iface, pVendorInfo);
431 }
432
433 static const BaseOutputPinFuncTable output_BaseOutputFuncTable = {
434 {
435 NULL,
436 BaseOutputPinImpl_AttemptConnection,
437 BasePinImpl_GetMediaTypeVersion,
438 Parser_OutputPin_GetMediaType
439 },
440 Parser_OutputPin_DecideBufferSize,
441 Parser_OutputPin_DecideAllocator,
442 Parser_OutputPin_BreakConnect
443 };
444
445 HRESULT Parser_AddPin(ParserImpl * This, const PIN_INFO * piOutput, ALLOCATOR_PROPERTIES * props, const AM_MEDIA_TYPE * amt)
446 {
447 IPin ** ppOldPins;
448 HRESULT hr;
449
450 ppOldPins = This->ppPins;
451
452 This->ppPins = CoTaskMemAlloc((This->cStreams + 2) * sizeof(IPin *));
453 memcpy(This->ppPins, ppOldPins, (This->cStreams + 1) * sizeof(IPin *));
454
455 hr = BaseOutputPin_Construct(&Parser_OutputPin_Vtbl, sizeof(Parser_OutputPin), piOutput, &output_BaseOutputFuncTable, &This->filter.csFilter, This->ppPins + (This->cStreams + 1));
456
457 if (SUCCEEDED(hr))
458 {
459 IPin *pPin = This->ppPins[This->cStreams + 1];
460 Parser_OutputPin *pin = unsafe_impl_Parser_OutputPin_from_IPin(pPin);
461 pin->pmt = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
462 CopyMediaType(pin->pmt, amt);
463 pin->dwSamplesProcessed = 0;
464
465 pin->pin.pin.pinInfo.pFilter = &This->filter.IBaseFilter_iface;
466 pin->allocProps = *props;
467 This->cStreams++;
468 BaseFilterImpl_IncrementPinVersion(&This->filter);
469 CoTaskMemFree(ppOldPins);
470 }
471 else
472 {
473 CoTaskMemFree(This->ppPins);
474 This->ppPins = ppOldPins;
475 ERR("Failed with error %x\n", hr);
476 }
477
478 return hr;
479 }
480
481 static HRESULT Parser_RemoveOutputPins(ParserImpl * This)
482 {
483 /* NOTE: should be in critical section when calling this function */
484 HRESULT hr;
485 ULONG i;
486 IPin ** ppOldPins = This->ppPins;
487
488 TRACE("(%p)\n", This);
489
490 /* reduce the pin array down to 1 (just our input pin) */
491 This->ppPins = CoTaskMemAlloc(sizeof(IPin *) * 1);
492 memcpy(This->ppPins, ppOldPins, sizeof(IPin *) * 1);
493
494 for (i = 0; i < This->cStreams; i++)
495 {
496 hr = ((BaseOutputPin *)ppOldPins[i + 1])->pFuncsTable->pfnBreakConnect((BaseOutputPin *)ppOldPins[i + 1]);
497 TRACE("Disconnect: %08x\n", hr);
498 IPin_Release(ppOldPins[i + 1]);
499 }
500
501 BaseFilterImpl_IncrementPinVersion(&This->filter);
502 This->cStreams = 0;
503 CoTaskMemFree(ppOldPins);
504
505 return S_OK;
506 }
507
508 static HRESULT WINAPI Parser_ChangeStart(IMediaSeeking *iface)
509 {
510 FIXME("(%p) filter hasn't implemented start position change!\n", iface);
511 return S_OK;
512 }
513
514 static HRESULT WINAPI Parser_ChangeStop(IMediaSeeking *iface)
515 {
516 FIXME("(%p) filter hasn't implemented stop position change!\n", iface);
517 return S_OK;
518 }
519
520 static HRESULT WINAPI Parser_ChangeRate(IMediaSeeking *iface)
521 {
522 FIXME("(%p) filter hasn't implemented rate change!\n", iface);
523 return S_OK;
524 }
525
526
527 static HRESULT WINAPI Parser_Seeking_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
528 {
529 ParserImpl *This = impl_from_IMediaSeeking(iface);
530
531 return IBaseFilter_QueryInterface(&This->filter.IBaseFilter_iface, riid, ppv);
532 }
533
534 static ULONG WINAPI Parser_Seeking_AddRef(IMediaSeeking * iface)
535 {
536 ParserImpl *This = impl_from_IMediaSeeking(iface);
537
538 return IBaseFilter_AddRef(&This->filter.IBaseFilter_iface);
539 }
540
541 static ULONG WINAPI Parser_Seeking_Release(IMediaSeeking * iface)
542 {
543 ParserImpl *This = impl_from_IMediaSeeking(iface);
544
545 return IBaseFilter_Release(&This->filter.IBaseFilter_iface);
546 }
547
548 static const IMediaSeekingVtbl Parser_Seeking_Vtbl =
549 {
550 Parser_Seeking_QueryInterface,
551 Parser_Seeking_AddRef,
552 Parser_Seeking_Release,
553 SourceSeekingImpl_GetCapabilities,
554 SourceSeekingImpl_CheckCapabilities,
555 SourceSeekingImpl_IsFormatSupported,
556 SourceSeekingImpl_QueryPreferredFormat,
557 SourceSeekingImpl_GetTimeFormat,
558 SourceSeekingImpl_IsUsingTimeFormat,
559 SourceSeekingImpl_SetTimeFormat,
560 SourceSeekingImpl_GetDuration,
561 SourceSeekingImpl_GetStopPosition,
562 SourceSeekingImpl_GetCurrentPosition,
563 SourceSeekingImpl_ConvertTimeFormat,
564 SourceSeekingImpl_SetPositions,
565 SourceSeekingImpl_GetPositions,
566 SourceSeekingImpl_GetAvailable,
567 SourceSeekingImpl_SetRate,
568 SourceSeekingImpl_GetRate,
569 SourceSeekingImpl_GetPreroll
570 };
571
572 static HRESULT WINAPI Parser_OutputPin_DecideBufferSize(BaseOutputPin *iface, IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
573 {
574 Parser_OutputPin *This = (Parser_OutputPin*)iface;
575 ALLOCATOR_PROPERTIES actual;
576
577 if (ppropInputRequest->cbAlign && ppropInputRequest->cbAlign != This->allocProps.cbAlign)
578 FIXME("Requested Buffer cbAlign mismatch %i,%i\n",This->allocProps.cbAlign, ppropInputRequest->cbAlign);
579 if (ppropInputRequest->cbPrefix)
580 FIXME("Requested Buffer cbPrefix mismatch %i,%i\n",This->allocProps.cbPrefix, ppropInputRequest->cbPrefix);
581 if (ppropInputRequest->cbBuffer)
582 FIXME("Requested Buffer cbBuffer mismatch %i,%i\n",This->allocProps.cbBuffer, ppropInputRequest->cbBuffer);
583 if (ppropInputRequest->cBuffers)
584 FIXME("Requested Buffer cBuffers mismatch %i,%i\n",This->allocProps.cBuffers, ppropInputRequest->cBuffers);
585
586 return IMemAllocator_SetProperties(pAlloc, &This->allocProps, &actual);
587 }
588
589 static HRESULT WINAPI Parser_OutputPin_GetMediaType(BasePin *iface, int iPosition, AM_MEDIA_TYPE *pmt)
590 {
591 Parser_OutputPin *This = (Parser_OutputPin*)iface;
592 if (iPosition < 0)
593 return E_INVALIDARG;
594 if (iPosition > 0)
595 return VFW_S_NO_MORE_ITEMS;
596 CopyMediaType(pmt, This->pmt);
597 return S_OK;
598 }
599
600 static HRESULT WINAPI Parser_OutputPin_DecideAllocator(BaseOutputPin *iface, IMemInputPin *pPin, IMemAllocator **pAlloc)
601 {
602 Parser_OutputPin *This = (Parser_OutputPin*)iface;
603 HRESULT hr;
604
605 *pAlloc = NULL;
606
607 if (This->alloc)
608 {
609 hr = IMemInputPin_NotifyAllocator(pPin, This->alloc, This->readonly);
610 if (SUCCEEDED(hr))
611 {
612 *pAlloc = This->alloc;
613 IMemAllocator_AddRef(*pAlloc);
614 }
615 }
616 else
617 hr = VFW_E_NO_ALLOCATOR;
618
619 return hr;
620 }
621
622 static HRESULT WINAPI Parser_OutputPin_BreakConnect(BaseOutputPin *This)
623 {
624 HRESULT hr;
625
626 TRACE("(%p)->()\n", This);
627
628 EnterCriticalSection(This->pin.pCritSec);
629 if (!This->pin.pConnectedTo || !This->pMemInputPin)
630 hr = VFW_E_NOT_CONNECTED;
631 else
632 {
633 hr = IPin_Disconnect(This->pin.pConnectedTo);
634 IPin_Disconnect(&This->pin.IPin_iface);
635 }
636 LeaveCriticalSection(This->pin.pCritSec);
637
638 return hr;
639 }
640
641
642 static HRESULT WINAPI Parser_OutputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
643 {
644 Parser_OutputPin *This = unsafe_impl_Parser_OutputPin_from_IPin(iface);
645
646 TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
647
648 *ppv = NULL;
649
650 if (IsEqualIID(riid, &IID_IUnknown))
651 *ppv = iface;
652 else if (IsEqualIID(riid, &IID_IPin))
653 *ppv = iface;
654 /* The Parser filter does not support querying IMediaSeeking, return it directly */
655 else if (IsEqualIID(riid, &IID_IMediaSeeking))
656 *ppv = &impl_from_IBaseFilter(This->pin.pin.pinInfo.pFilter)->sourceSeeking;
657
658 if (*ppv)
659 {
660 IUnknown_AddRef((IUnknown *)(*ppv));
661 return S_OK;
662 }
663
664 FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
665
666 return E_NOINTERFACE;
667 }
668
669 static ULONG WINAPI Parser_OutputPin_Release(IPin * iface)
670 {
671 Parser_OutputPin *This = unsafe_impl_Parser_OutputPin_from_IPin(iface);
672 ULONG refCount = InterlockedDecrement(&This->pin.pin.refCount);
673
674 TRACE("(%p)->() Release from %d\n", iface, refCount + 1);
675
676 if (!refCount)
677 {
678 FreeMediaType(This->pmt);
679 CoTaskMemFree(This->pmt);
680 FreeMediaType(&This->pin.pin.mtCurrent);
681 if (This->pin.pAllocator)
682 IMemAllocator_Release(This->pin.pAllocator);
683 CoTaskMemFree(This);
684 return 0;
685 }
686 return refCount;
687 }
688
689 static HRESULT WINAPI Parser_OutputPin_Connect(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
690 {
691 Parser_OutputPin *This = unsafe_impl_Parser_OutputPin_from_IPin(iface);
692 ParserImpl *parser = impl_from_IBaseFilter(This->pin.pin.pinInfo.pFilter);
693
694 /* Set the allocator to our input pin's */
695 EnterCriticalSection(This->pin.pin.pCritSec);
696 This->alloc = parser->pInputPin->pAlloc;
697 LeaveCriticalSection(This->pin.pin.pCritSec);
698
699 return BaseOutputPinImpl_Connect(iface, pReceivePin, pmt);
700 }
701
702 static HRESULT WINAPI Parser_OutputPin_QueryAccept(IPin *iface, const AM_MEDIA_TYPE * pmt)
703 {
704 Parser_OutputPin *This = unsafe_impl_Parser_OutputPin_from_IPin(iface);
705
706 TRACE("()\n");
707 dump_AM_MEDIA_TYPE(pmt);
708
709 return (memcmp(This->pmt, pmt, sizeof(AM_MEDIA_TYPE)) == 0);
710 }
711
712 static const IPinVtbl Parser_OutputPin_Vtbl =
713 {
714 Parser_OutputPin_QueryInterface,
715 BasePinImpl_AddRef,
716 Parser_OutputPin_Release,
717 Parser_OutputPin_Connect,
718 BaseOutputPinImpl_ReceiveConnection,
719 BaseOutputPinImpl_Disconnect,
720 BasePinImpl_ConnectedTo,
721 BasePinImpl_ConnectionMediaType,
722 BasePinImpl_QueryPinInfo,
723 BasePinImpl_QueryDirection,
724 BasePinImpl_QueryId,
725 Parser_OutputPin_QueryAccept,
726 BasePinImpl_EnumMediaTypes,
727 BasePinImpl_QueryInternalConnections,
728 BaseOutputPinImpl_EndOfStream,
729 BaseOutputPinImpl_BeginFlush,
730 BaseOutputPinImpl_EndFlush,
731 BasePinImpl_NewSegment
732 };
733
734 static HRESULT WINAPI Parser_PullPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
735 {
736 PullPin *This = impl_PullPin_from_IPin(iface);
737
738 TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
739
740 *ppv = NULL;
741
742 /*
743 * It is important to capture the request for the IMediaSeeking interface before it is passed
744 * on to PullPin_QueryInterface, this is necessary since the Parser filter does not support
745 * querying IMediaSeeking
746 */
747 if (IsEqualIID(riid, &IID_IMediaSeeking))
748 *ppv = &impl_from_IBaseFilter(This->pin.pinInfo.pFilter)->sourceSeeking;
749
750 if (*ppv)
751 {
752 IUnknown_AddRef((IUnknown *)(*ppv));
753 return S_OK;
754 }
755
756 return PullPin_QueryInterface(iface, riid, ppv);
757 }
758
759 static HRESULT WINAPI Parser_PullPin_Disconnect(IPin * iface)
760 {
761 HRESULT hr;
762 PullPin *This = impl_PullPin_from_IPin(iface);
763
764 TRACE("()\n");
765
766 EnterCriticalSection(&This->thread_lock);
767 EnterCriticalSection(This->pin.pCritSec);
768 {
769 if (This->pin.pConnectedTo)
770 {
771 FILTER_STATE state;
772 ParserImpl *Parser = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
773
774 LeaveCriticalSection(This->pin.pCritSec);
775 hr = IBaseFilter_GetState(This->pin.pinInfo.pFilter, INFINITE, &state);
776 EnterCriticalSection(This->pin.pCritSec);
777
778 if (SUCCEEDED(hr) && (state == State_Stopped) && SUCCEEDED(Parser->fnDisconnect(Parser)))
779 {
780 LeaveCriticalSection(This->pin.pCritSec);
781 PullPin_Disconnect(iface);
782 EnterCriticalSection(This->pin.pCritSec);
783 hr = Parser_RemoveOutputPins(impl_from_IBaseFilter(This->pin.pinInfo.pFilter));
784 }
785 else
786 hr = VFW_E_NOT_STOPPED;
787 }
788 else
789 hr = S_FALSE;
790 }
791 LeaveCriticalSection(This->pin.pCritSec);
792 LeaveCriticalSection(&This->thread_lock);
793
794 return hr;
795 }
796
797 static HRESULT WINAPI Parser_PullPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
798 {
799 HRESULT hr;
800
801 TRACE("()\n");
802
803 hr = PullPin_ReceiveConnection(iface, pReceivePin, pmt);
804 if (FAILED(hr))
805 {
806 BasePin *This = (BasePin *)iface;
807
808 EnterCriticalSection(This->pCritSec);
809 Parser_RemoveOutputPins(impl_from_IBaseFilter(This->pinInfo.pFilter));
810 LeaveCriticalSection(This->pCritSec);
811 }
812
813 return hr;
814 }
815
816 static HRESULT WINAPI Parser_PullPin_EnumMediaTypes(IPin *iface, IEnumMediaTypes **ppEnum)
817 {
818 BasePin *This = (BasePin *)iface;
819
820 TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
821
822 return EnumMediaTypes_Construct(This, BasePinImpl_GetMediaType, BasePinImpl_GetMediaTypeVersion, ppEnum);
823 }
824
825 static const IPinVtbl Parser_InputPin_Vtbl =
826 {
827 Parser_PullPin_QueryInterface,
828 BasePinImpl_AddRef,
829 PullPin_Release,
830 BaseInputPinImpl_Connect,
831 Parser_PullPin_ReceiveConnection,
832 Parser_PullPin_Disconnect,
833 BasePinImpl_ConnectedTo,
834 BasePinImpl_ConnectionMediaType,
835 BasePinImpl_QueryPinInfo,
836 BasePinImpl_QueryDirection,
837 BasePinImpl_QueryId,
838 PullPin_QueryAccept,
839 Parser_PullPin_EnumMediaTypes,
840 BasePinImpl_QueryInternalConnections,
841 PullPin_EndOfStream,
842 PullPin_BeginFlush,
843 PullPin_EndFlush,
844 PullPin_NewSegment
845 };