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