git.oblomov.eu Git - wine/blob - 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 "control_private.h"
  24 #include "pin.h"
  25
  26 #include "vfwmsgs.h"
  27 #include "amvideo.h"
  28
  29 #include "wine/unicode.h"
  30 #include "wine/debug.h"
  31
  32 #include <math.h>
  33 #include <assert.h>
  34
  35 #include "parser.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  38
  39 static const WCHAR wcsInputPinName[] = {'i','n','p','u','t',' ','p','i','n',0};
  40 static const IMediaSeekingVtbl Parser_Seeking_Vtbl;
  41 static const IPinVtbl Parser_OutputPin_Vtbl;
  42 static const IPinVtbl Parser_InputPin_Vtbl;
  43
  44 static HRESULT Parser_OutputPin_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt);
  45 static HRESULT Parser_ChangeCurrent(IBaseFilter *iface);
  46 static HRESULT Parser_ChangeStop(IBaseFilter *iface);
  47 static HRESULT Parser_ChangeRate(IBaseFilter *iface);
  48
  49 static inline ParserImpl *impl_from_IMediaSeeking( IMediaSeeking *iface )
  50 {
  51     return (ParserImpl *)((char*)iface - FIELD_OFFSET(ParserImpl, mediaSeeking.lpVtbl));
  52 }
  53
  54
  55 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, CHANGEPROC stop, CHANGEPROC current, CHANGEPROC rate)
  56 {
  57     HRESULT hr;
  58     PIN_INFO piInput;
  59
  60     /* pTransformFilter is already allocated */
  61     pParser->clsid = *pClsid;
  62     pParser->lpVtbl = Parser_Vtbl;
  63     pParser->refCount = 1;
  64     InitializeCriticalSection(&pParser->csFilter);
  65     pParser->csFilter.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ParserImpl.csFilter");
  66     pParser->state = State_Stopped;
  67     pParser->pClock = NULL;
  68     pParser->fnDisconnect = fnDisconnect;
  69     ZeroMemory(&pParser->filterInfo, sizeof(FILTER_INFO));
  70     pParser->lastpinchange = GetTickCount();
  71
  72     pParser->cStreams = 0;
  73     pParser->ppPins = CoTaskMemAlloc(1 * sizeof(IPin *));
  74
  75     /* construct input pin */
  76     piInput.dir = PINDIR_INPUT;
  77     piInput.pFilter = (IBaseFilter *)pParser;
  78     lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
  79
  80     if (!current)
  81         current = Parser_ChangeCurrent;
  82
  83     if (!stop)
  84         stop = Parser_ChangeStop;
  85
  86     if (!rate)
  87         rate = Parser_ChangeRate;
  88
  89     MediaSeekingImpl_Init((IBaseFilter*)pParser, stop, current, rate, &pParser->mediaSeeking, &pParser->csFilter);
  90     pParser->mediaSeeking.lpVtbl = &Parser_Seeking_Vtbl;
  91
  92     hr = PullPin_Construct(&Parser_InputPin_Vtbl, &piInput, fnProcessSample, (LPVOID)pParser, fnQueryAccept, fnCleanup, fnRequest, fnDone, &pParser->csFilter, (IPin **)&pParser->pInputPin);
  93
  94     if (SUCCEEDED(hr))
  95     {
  96         pParser->ppPins[0] = (IPin *)pParser->pInputPin;
  97         pParser->pInputPin->fnPreConnect = fnPreConnect;
  98     }
  99     else
 100     {
 101         CoTaskMemFree(pParser->ppPins);
 102         pParser->csFilter.DebugInfo->Spare[0] = 0;
 103         DeleteCriticalSection(&pParser->csFilter);
 104         CoTaskMemFree(pParser);
 105     }
 106
 107     return hr;
 108 }
 109
 110 HRESULT WINAPI Parser_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
 111 {
 112     ParserImpl *This = (ParserImpl *)iface;
 113     TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
 114
 115     *ppv = NULL;
 116
 117     if (IsEqualIID(riid, &IID_IUnknown))
 118         *ppv = (LPVOID)This;
 119     else if (IsEqualIID(riid, &IID_IPersist))
 120         *ppv = (LPVOID)This;
 121     else if (IsEqualIID(riid, &IID_IMediaFilter))
 122         *ppv = (LPVOID)This;
 123     else if (IsEqualIID(riid, &IID_IBaseFilter))
 124         *ppv = (LPVOID)This;
 125     else if (IsEqualIID(riid, &IID_IMediaSeeking))
 126         *ppv = (LPVOID)&This->mediaSeeking;
 127
 128     if (*ppv)
 129     {
 130         IUnknown_AddRef((IUnknown *)(*ppv));
 131         return S_OK;
 132     }
 133
 134     if (!IsEqualIID(riid, &IID_IPin) && !IsEqualIID(riid, &IID_IVideoWindow))
 135         FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 136
 137     return E_NOINTERFACE;
 138 }
 139
 140 ULONG WINAPI Parser_AddRef(IBaseFilter * iface)
 141 {
 142     ParserImpl *This = (ParserImpl *)iface;
 143     ULONG refCount = InterlockedIncrement(&This->refCount);
 144
 145     TRACE("(%p/%p)->() AddRef from %d\n", This, iface, refCount - 1);
 146
 147     return refCount;
 148 }
 149
 150 void Parser_Destroy(ParserImpl *This)
 151 {
 152     IPin *connected = NULL;
 153     ULONG pinref;
 154
 155     assert(!This->refCount);
 156     PullPin_WaitForStateChange(This->pInputPin, INFINITE);
 157
 158     if (This->pClock)
 159         IReferenceClock_Release(This->pClock);
 160
 161     /* Don't need to clean up output pins, freeing input pin will do that */
 162     IPin_ConnectedTo((IPin *)This->pInputPin, &connected);
 163     if (connected)
 164     {
 165         assert(IPin_Disconnect(connected) == S_OK);
 166         IPin_Release(connected);
 167         assert(IPin_Disconnect((IPin *)This->pInputPin) == S_OK);
 168     }
 169     pinref = IPin_Release((IPin *)This->pInputPin);
 170     if (pinref)
 171     {
 172         /* Valgrind could find this, if I kill it here */
 173         ERR("pinref should be null, is %u, destroying anyway\n", pinref);
 174         assert((LONG)pinref > 0);
 175
 176         while (pinref)
 177             pinref = IPin_Release((IPin *)This->pInputPin);
 178     }
 179
 180     CoTaskMemFree(This->ppPins);
 181     This->lpVtbl = NULL;
 182
 183     This->csFilter.DebugInfo->Spare[0] = 0;
 184     DeleteCriticalSection(&This->csFilter);
 185
 186     TRACE("Destroying parser\n");
 187     CoTaskMemFree(This);
 188 }
 189
 190 ULONG WINAPI Parser_Release(IBaseFilter * iface)
 191 {
 192     ParserImpl *This = (ParserImpl *)iface;
 193     ULONG refCount = InterlockedDecrement(&This->refCount);
 194
 195     TRACE("(%p)->() Release from %d\n", This, refCount + 1);
 196
 197     if (!refCount)
 198         Parser_Destroy(This);
 199
 200     return refCount;
 201 }
 202
 203 /** IPersist methods **/
 204
 205 HRESULT WINAPI Parser_GetClassID(IBaseFilter * iface, CLSID * pClsid)
 206 {
 207     ParserImpl *This = (ParserImpl *)iface;
 208
 209     TRACE("(%p)\n", pClsid);
 210
 211     *pClsid = This->clsid;
 212
 213     return S_OK;
 214 }
 215
 216 /** IMediaFilter methods **/
 217
 218 HRESULT WINAPI Parser_Stop(IBaseFilter * iface)
 219 {
 220     ParserImpl *This = (ParserImpl *)iface;
 221     PullPin *pin = (PullPin *)This->ppPins[0];
 222
 223     TRACE("()\n");
 224
 225     EnterCriticalSection(&pin->thread_lock);
 226     EnterCriticalSection(&This->csFilter);
 227     {
 228         This->state = State_Stopped;
 229     }
 230     LeaveCriticalSection(&This->csFilter);
 231     LeaveCriticalSection(&pin->thread_lock);
 232     return S_OK;
 233 }
 234
 235 HRESULT WINAPI Parser_Pause(IBaseFilter * iface)
 236 {
 237     HRESULT hr = S_OK;
 238     ParserImpl *This = (ParserImpl *)iface;
 239     PullPin *pin = (PullPin *)This->ppPins[0];
 240
 241     TRACE("()\n");
 242
 243     EnterCriticalSection(&pin->thread_lock);
 244     EnterCriticalSection(&This->csFilter);
 245
 246     if (This->state == State_Paused)
 247     {
 248         LeaveCriticalSection(&This->csFilter);
 249         LeaveCriticalSection(&pin->thread_lock);
 250         return S_OK;
 251     }
 252
 253     if (This->state == State_Stopped)
 254     {
 255         LeaveCriticalSection(&This->csFilter);
 256         hr = IBaseFilter_Run(iface, -1);
 257         EnterCriticalSection(&This->csFilter);
 258     }
 259
 260     This->state = State_Paused;
 261
 262     LeaveCriticalSection(&This->csFilter);
 263     if (SUCCEEDED(hr))
 264         hr = PullPin_PauseProcessing(This->pInputPin);
 265     LeaveCriticalSection(&pin->thread_lock);
 266
 267     return hr;
 268 }
 269
 270 HRESULT WINAPI Parser_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
 271 {
 272     HRESULT hr = S_OK;
 273     ParserImpl *This = (ParserImpl *)iface;
 274     PullPin *pin = (PullPin *)This->ppPins[0];
 275
 276     int i;
 277
 278     TRACE("(%s)\n", wine_dbgstr_longlong(tStart));
 279
 280     EnterCriticalSection(&pin->thread_lock);
 281     EnterCriticalSection(&This->csFilter);
 282     {
 283         if (This->state == State_Running)
 284         {
 285             LeaveCriticalSection(&This->csFilter);
 286             LeaveCriticalSection(&pin->thread_lock);
 287             return S_OK;
 288         }
 289
 290         This->rtStreamStart = tStart;
 291
 292         if (SUCCEEDED(hr) && (This->state == State_Stopped))
 293         {
 294             for (i = 1; i < (This->cStreams + 1); i++)
 295             {
 296                 OutputPin_CommitAllocator((OutputPin *)This->ppPins[i]);
 297             }
 298         }
 299
 300         if (SUCCEEDED(hr))
 301         {
 302             LeaveCriticalSection(&This->csFilter);
 303             hr = PullPin_StartProcessing(This->pInputPin);
 304             EnterCriticalSection(&This->csFilter);
 305         }
 306
 307         if (SUCCEEDED(hr))
 308             This->state = State_Running;
 309     }
 310     LeaveCriticalSection(&This->csFilter);
 311     LeaveCriticalSection(&pin->thread_lock);
 312
 313     return hr;
 314 }
 315
 316 HRESULT WINAPI Parser_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
 317 {
 318     ParserImpl *This = (ParserImpl *)iface;
 319     PullPin *pin = (PullPin *)This->ppPins[0];
 320     HRESULT hr = S_OK;
 321
 322     TRACE("(%d, %p)\n", dwMilliSecsTimeout, pState);
 323
 324     EnterCriticalSection(&pin->thread_lock);
 325     EnterCriticalSection(&This->csFilter);
 326     {
 327         *pState = This->state;
 328     }
 329     LeaveCriticalSection(&This->csFilter);
 330
 331     if (This->pInputPin && (PullPin_WaitForStateChange(This->pInputPin, dwMilliSecsTimeout) == S_FALSE))
 332         hr = VFW_S_STATE_INTERMEDIATE;
 333     LeaveCriticalSection(&pin->thread_lock);
 334
 335     return hr;
 336 }
 337
 338 HRESULT WINAPI Parser_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
 339 {
 340     ParserImpl *This = (ParserImpl *)iface;
 341     PullPin *pin = (PullPin *)This->ppPins[0];
 342
 343     TRACE("(%p)\n", pClock);
 344
 345     EnterCriticalSection(&pin->thread_lock);
 346     EnterCriticalSection(&This->csFilter);
 347     {
 348         if (This->pClock)
 349             IReferenceClock_Release(This->pClock);
 350         This->pClock = pClock;
 351         if (This->pClock)
 352             IReferenceClock_AddRef(This->pClock);
 353     }
 354     LeaveCriticalSection(&This->csFilter);
 355     LeaveCriticalSection(&pin->thread_lock);
 356
 357     return S_OK;
 358 }
 359
 360 HRESULT WINAPI Parser_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
 361 {
 362     ParserImpl *This = (ParserImpl *)iface;
 363
 364     TRACE("(%p)\n", ppClock);
 365
 366     EnterCriticalSection(&This->csFilter);
 367     {
 368         *ppClock = This->pClock;
 369         if (This->pClock)
 370             IReferenceClock_AddRef(This->pClock);
 371     }
 372     LeaveCriticalSection(&This->csFilter);
 373
 374     return S_OK;
 375 }
 376
 377 /** IBaseFilter implementation **/
 378
 379 /* FIXME: WRONG */
 380 static HRESULT Parser_GetPin(IBaseFilter *iface, ULONG pos, IPin **pin, DWORD *lastsynctick)
 381 {
 382     ParserImpl *This = (ParserImpl *)iface;
 383
 384     *lastsynctick = This->lastpinchange;
 385
 386     TRACE("Asking for pos %x\n", pos);
 387
 388     /* Input pin also has a pin, hence the > and not >= */
 389     if (pos > This->cStreams)
 390         return S_FALSE;
 391
 392     *pin = This->ppPins[pos];
 393     IPin_AddRef(*pin);
 394     return S_OK;
 395 }
 396
 397 HRESULT WINAPI Parser_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
 398 {
 399     ParserImpl *This = (ParserImpl *)iface;
 400
 401     TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
 402
 403     return IEnumPinsImpl_Construct(ppEnum, Parser_GetPin, iface);
 404 }
 405
 406 HRESULT WINAPI Parser_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
 407 {
 408     FIXME("(%p)->(%s,%p)\n", iface, debugstr_w(Id), ppPin);
 409
 410     /* FIXME: critical section */
 411
 412     return E_NOTIMPL;
 413 }
 414
 415 HRESULT WINAPI Parser_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
 416 {
 417     ParserImpl *This = (ParserImpl *)iface;
 418
 419     TRACE("(%p)\n", pInfo);
 420
 421     strcpyW(pInfo->achName, This->filterInfo.achName);
 422     pInfo->pGraph = This->filterInfo.pGraph;
 423
 424     if (pInfo->pGraph)
 425         IFilterGraph_AddRef(pInfo->pGraph);
 426
 427     return S_OK;
 428 }
 429
 430 HRESULT WINAPI Parser_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
 431 {
 432     HRESULT hr = S_OK;
 433     ParserImpl *This = (ParserImpl *)iface;
 434
 435     TRACE("(%p, %s)\n", pGraph, debugstr_w(pName));
 436
 437     EnterCriticalSection(&This->csFilter);
 438     {
 439         if (pName)
 440             strcpyW(This->filterInfo.achName, pName);
 441         else
 442             *This->filterInfo.achName = '\0';
 443         This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
 444     }
 445     LeaveCriticalSection(&This->csFilter);
 446
 447     return hr;
 448 }
 449
 450 HRESULT WINAPI Parser_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
 451 {
 452     TRACE("(%p)\n", pVendorInfo);
 453     return E_NOTIMPL;
 454 }
 455
 456 HRESULT Parser_AddPin(ParserImpl * This, const PIN_INFO * piOutput, ALLOCATOR_PROPERTIES * props, const AM_MEDIA_TYPE * amt)
 457 {
 458     IPin ** ppOldPins;
 459     HRESULT hr;
 460
 461     ppOldPins = This->ppPins;
 462
 463     This->ppPins = CoTaskMemAlloc((This->cStreams + 2) * sizeof(IPin *));
 464     memcpy(This->ppPins, ppOldPins, (This->cStreams + 1) * sizeof(IPin *));
 465
 466     hr = OutputPin_Construct(&Parser_OutputPin_Vtbl, sizeof(Parser_OutputPin), piOutput, props, NULL, Parser_OutputPin_QueryAccept, &This->csFilter, This->ppPins + (This->cStreams + 1));
 467
 468     if (SUCCEEDED(hr))
 469     {
 470         IPin *pPin = This->ppPins[This->cStreams + 1];
 471         Parser_OutputPin *pin = (Parser_OutputPin *)pPin;
 472         pin->pmt = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
 473         CopyMediaType(pin->pmt, amt);
 474         pin->dwSamplesProcessed = 0;
 475
 476         pin->pin.pin.pUserData = (LPVOID)This->ppPins[This->cStreams + 1];
 477         pin->pin.pin.pinInfo.pFilter = (LPVOID)This;
 478         pin->pin.custom_allocator = 1;
 479         This->cStreams++;
 480         This->lastpinchange = GetTickCount();
 481         CoTaskMemFree(ppOldPins);
 482     }
 483     else
 484     {
 485         CoTaskMemFree(This->ppPins);
 486         This->ppPins = ppOldPins;
 487         ERR("Failed with error %x\n", hr);
 488     }
 489
 490     return hr;
 491 }
 492
 493 static HRESULT Parser_RemoveOutputPins(ParserImpl * This)
 494 {
 495     /* NOTE: should be in critical section when calling this function */
 496     HRESULT hr;
 497     ULONG i;
 498     IPin ** ppOldPins = This->ppPins;
 499
 500     TRACE("(%p)\n", This);
 501
 502     /* reduce the pin array down to 1 (just our input pin) */
 503     This->ppPins = CoTaskMemAlloc(sizeof(IPin *) * 1);
 504     memcpy(This->ppPins, ppOldPins, sizeof(IPin *) * 1);
 505
 506     for (i = 0; i < This->cStreams; i++)
 507     {
 508         hr = OutputPin_DeliverDisconnect((OutputPin *)ppOldPins[i + 1]);
 509         TRACE("Disconnect: %08x\n", hr);
 510         IPin_Release(ppOldPins[i + 1]);
 511     }
 512
 513     This->lastpinchange = GetTickCount();
 514     This->cStreams = 0;
 515     CoTaskMemFree(ppOldPins);
 516
 517     return S_OK;
 518 }
 519
 520 static HRESULT Parser_ChangeCurrent(IBaseFilter *iface)
 521 {
 522     FIXME("(%p) filter hasn't implemented current position change!\n", iface);
 523     return S_OK;
 524 }
 525
 526 static HRESULT Parser_ChangeStop(IBaseFilter *iface)
 527 {
 528     FIXME("(%p) filter hasn't implemented stop position change!\n", iface);
 529     return S_OK;
 530 }
 531
 532 static HRESULT Parser_ChangeRate(IBaseFilter *iface)
 533 {
 534     FIXME("(%p) filter hasn't implemented rate change!\n", iface);
 535     return S_OK;
 536 }
 537
 538
 539 static HRESULT WINAPI Parser_Seeking_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
 540 {
 541     ParserImpl *This = impl_from_IMediaSeeking(iface);
 542
 543     return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
 544 }
 545
 546 static ULONG WINAPI Parser_Seeking_AddRef(IMediaSeeking * iface)
 547 {
 548     ParserImpl *This = impl_from_IMediaSeeking(iface);
 549
 550     return IUnknown_AddRef((IUnknown *)This);
 551 }
 552
 553 static ULONG WINAPI Parser_Seeking_Release(IMediaSeeking * iface)
 554 {
 555     ParserImpl *This = impl_from_IMediaSeeking(iface);
 556
 557     return IUnknown_Release((IUnknown *)This);
 558 }
 559
 560 static const IMediaSeekingVtbl Parser_Seeking_Vtbl =
 561 {
 562     Parser_Seeking_QueryInterface,
 563     Parser_Seeking_AddRef,
 564     Parser_Seeking_Release,
 565     MediaSeekingImpl_GetCapabilities,
 566     MediaSeekingImpl_CheckCapabilities,
 567     MediaSeekingImpl_IsFormatSupported,
 568     MediaSeekingImpl_QueryPreferredFormat,
 569     MediaSeekingImpl_GetTimeFormat,
 570     MediaSeekingImpl_IsUsingTimeFormat,
 571     MediaSeekingImpl_SetTimeFormat,
 572     MediaSeekingImpl_GetDuration,
 573     MediaSeekingImpl_GetStopPosition,
 574     MediaSeekingImpl_GetCurrentPosition,
 575     MediaSeekingImpl_ConvertTimeFormat,
 576     MediaSeekingImpl_SetPositions,
 577     MediaSeekingImpl_GetPositions,
 578     MediaSeekingImpl_GetAvailable,
 579     MediaSeekingImpl_SetRate,
 580     MediaSeekingImpl_GetRate,
 581     MediaSeekingImpl_GetPreroll
 582 };
 583
 584 static HRESULT WINAPI Parser_OutputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
 585 {
 586     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 587
 588     TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
 589
 590     *ppv = NULL;
 591
 592     if (IsEqualIID(riid, &IID_IUnknown))
 593         *ppv = (LPVOID)iface;
 594     else if (IsEqualIID(riid, &IID_IPin))
 595         *ppv = (LPVOID)iface;
 596     else if (IsEqualIID(riid, &IID_IMediaSeeking))
 597     {
 598         return IBaseFilter_QueryInterface(This->pin.pin.pinInfo.pFilter, &IID_IMediaSeeking, ppv);
 599     }
 600
 601     if (*ppv)
 602     {
 603         IUnknown_AddRef((IUnknown *)(*ppv));
 604         return S_OK;
 605     }
 606
 607     FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 608
 609     return E_NOINTERFACE;
 610 }
 611
 612 static ULONG WINAPI Parser_OutputPin_Release(IPin * iface)
 613 {
 614     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 615     ULONG refCount = InterlockedDecrement(&This->pin.pin.refCount);
 616
 617     TRACE("(%p)->() Release from %d\n", iface, refCount + 1);
 618
 619     if (!refCount)
 620     {
 621         FreeMediaType(This->pmt);
 622         CoTaskMemFree(This->pmt);
 623         FreeMediaType(&This->pin.pin.mtCurrent);
 624         CoTaskMemFree(This);
 625         return 0;
 626     }
 627     return refCount;
 628 }
 629
 630 static HRESULT WINAPI Parser_OutputPin_EnumMediaTypes(IPin * iface, IEnumMediaTypes ** ppEnum)
 631 {
 632     ENUMMEDIADETAILS emd;
 633     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 634
 635     TRACE("(%p)\n", ppEnum);
 636
 637     /* override this method to allow enumeration of your types */
 638     emd.cMediaTypes = 1;
 639     emd.pMediaTypes = This->pmt;
 640
 641     return IEnumMediaTypesImpl_Construct(&emd, ppEnum);
 642 }
 643
 644 static HRESULT WINAPI Parser_OutputPin_Connect(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
 645 {
 646     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 647     ParserImpl *parser = (ParserImpl *)This->pin.pin.pinInfo.pFilter;
 648
 649     /* Set the allocator to our input pin's */
 650     EnterCriticalSection(This->pin.pin.pCritSec);
 651     This->pin.alloc = parser->pInputPin->pAlloc;
 652     LeaveCriticalSection(This->pin.pin.pCritSec);
 653
 654     return OutputPin_Connect(iface, pReceivePin, pmt);
 655 }
 656
 657 static HRESULT Parser_OutputPin_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
 658 {
 659     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 660
 661     TRACE("()\n");
 662     dump_AM_MEDIA_TYPE(pmt);
 663
 664     return (memcmp(This->pmt, pmt, sizeof(AM_MEDIA_TYPE)) == 0);
 665 }
 666
 667 static const IPinVtbl Parser_OutputPin_Vtbl =
 668 {
 669     Parser_OutputPin_QueryInterface,
 670     IPinImpl_AddRef,
 671     Parser_OutputPin_Release,
 672     Parser_OutputPin_Connect,
 673     OutputPin_ReceiveConnection,
 674     OutputPin_Disconnect,
 675     IPinImpl_ConnectedTo,
 676     IPinImpl_ConnectionMediaType,
 677     IPinImpl_QueryPinInfo,
 678     IPinImpl_QueryDirection,
 679     IPinImpl_QueryId,
 680     IPinImpl_QueryAccept,
 681     Parser_OutputPin_EnumMediaTypes,
 682     IPinImpl_QueryInternalConnections,
 683     OutputPin_EndOfStream,
 684     OutputPin_BeginFlush,
 685     OutputPin_EndFlush,
 686     OutputPin_NewSegment
 687 };
 688
 689 static HRESULT WINAPI Parser_PullPin_Disconnect(IPin * iface)
 690 {
 691     HRESULT hr;
 692     PullPin *This = (PullPin *)iface;
 693
 694     TRACE("()\n");
 695
 696     EnterCriticalSection(&This->thread_lock);
 697     EnterCriticalSection(This->pin.pCritSec);
 698     {
 699         if (This->pin.pConnectedTo)
 700         {
 701             FILTER_STATE state;
 702             ParserImpl *Parser = (ParserImpl *)This->pin.pinInfo.pFilter;
 703
 704             LeaveCriticalSection(This->pin.pCritSec);
 705             hr = IBaseFilter_GetState(This->pin.pinInfo.pFilter, INFINITE, &state);
 706             EnterCriticalSection(This->pin.pCritSec);
 707
 708             if (SUCCEEDED(hr) && (state == State_Stopped) && SUCCEEDED(Parser->fnDisconnect(Parser)))
 709             {
 710                 LeaveCriticalSection(This->pin.pCritSec);
 711                 PullPin_Disconnect(iface);
 712                 EnterCriticalSection(This->pin.pCritSec);
 713                 hr = Parser_RemoveOutputPins((ParserImpl *)This->pin.pinInfo.pFilter);
 714             }
 715             else
 716                 hr = VFW_E_NOT_STOPPED;
 717         }
 718         else
 719             hr = S_FALSE;
 720     }
 721     LeaveCriticalSection(This->pin.pCritSec);
 722     LeaveCriticalSection(&This->thread_lock);
 723
 724     return hr;
 725 }
 726
 727 HRESULT WINAPI Parser_PullPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
 728 {
 729     HRESULT hr;
 730
 731     TRACE("()\n");
 732
 733     hr = PullPin_ReceiveConnection(iface, pReceivePin, pmt);
 734     if (FAILED(hr))
 735     {
 736         IPinImpl *This = (IPinImpl *)iface;
 737
 738         EnterCriticalSection(This->pCritSec);
 739         Parser_RemoveOutputPins((ParserImpl *)This->pinInfo.pFilter);
 740         LeaveCriticalSection(This->pCritSec);
 741     }
 742
 743     return hr;
 744 }
 745
 746 static const IPinVtbl Parser_InputPin_Vtbl =
 747 {
 748     PullPin_QueryInterface,
 749     IPinImpl_AddRef,
 750     PullPin_Release,
 751     InputPin_Connect,
 752     Parser_PullPin_ReceiveConnection,
 753     Parser_PullPin_Disconnect,
 754     IPinImpl_ConnectedTo,
 755     IPinImpl_ConnectionMediaType,
 756     IPinImpl_QueryPinInfo,
 757     IPinImpl_QueryDirection,
 758     IPinImpl_QueryId,
 759     IPinImpl_QueryAccept,
 760     IPinImpl_EnumMediaTypes,
 761     IPinImpl_QueryInternalConnections,
 762     PullPin_EndOfStream,
 763     PullPin_BeginFlush,
 764     PullPin_EndFlush,
 765     PullPin_NewSegment
 766 };