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     int i;
 223
 224     TRACE("()\n");
 225
 226     EnterCriticalSection(&pin->thread_lock);
 227
 228     IAsyncReader_BeginFlush(This->pInputPin->pReader);
 229     EnterCriticalSection(&This->csFilter);
 230
 231     if (This->state == State_Stopped)
 232     {
 233         LeaveCriticalSection(&This->csFilter);
 234         LeaveCriticalSection(&pin->thread_lock);
 235         return S_OK;
 236     }
 237
 238     This->state = State_Stopped;
 239
 240     for (i = 1; i < (This->cStreams + 1); i++)
 241     {
 242         OutputPin_DecommitAllocator((OutputPin *)This->ppPins[i]);
 243     }
 244
 245     LeaveCriticalSection(&This->csFilter);
 246
 247     PullPin_PauseProcessing(This->pInputPin);
 248     PullPin_WaitForStateChange(This->pInputPin, INFINITE);
 249     IAsyncReader_EndFlush(This->pInputPin->pReader);
 250
 251     LeaveCriticalSection(&pin->thread_lock);
 252     return S_OK;
 253 }
 254
 255 HRESULT WINAPI Parser_Pause(IBaseFilter * iface)
 256 {
 257     HRESULT hr = S_OK;
 258     ParserImpl *This = (ParserImpl *)iface;
 259     PullPin *pin = (PullPin *)This->ppPins[0];
 260
 261     TRACE("()\n");
 262
 263     EnterCriticalSection(&pin->thread_lock);
 264     EnterCriticalSection(&This->csFilter);
 265
 266     if (This->state == State_Paused)
 267     {
 268         LeaveCriticalSection(&This->csFilter);
 269         LeaveCriticalSection(&pin->thread_lock);
 270         return S_OK;
 271     }
 272
 273     if (This->state == State_Stopped)
 274     {
 275         LeaveCriticalSection(&This->csFilter);
 276         hr = IBaseFilter_Run(iface, -1);
 277         EnterCriticalSection(&This->csFilter);
 278     }
 279
 280     This->state = State_Paused;
 281
 282     LeaveCriticalSection(&This->csFilter);
 283     LeaveCriticalSection(&pin->thread_lock);
 284
 285     return hr;
 286 }
 287
 288 HRESULT WINAPI Parser_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
 289 {
 290     HRESULT hr = S_OK;
 291     ParserImpl *This = (ParserImpl *)iface;
 292     PullPin *pin = (PullPin *)This->ppPins[0];
 293
 294     int i;
 295
 296     TRACE("(%s)\n", wine_dbgstr_longlong(tStart));
 297
 298     EnterCriticalSection(&pin->thread_lock);
 299     EnterCriticalSection(&This->csFilter);
 300     {
 301         if (This->state == State_Running || This->state == State_Paused)
 302         {
 303             This->state = State_Running;
 304             LeaveCriticalSection(&This->csFilter);
 305             LeaveCriticalSection(&pin->thread_lock);
 306             return S_OK;
 307         }
 308
 309         This->rtStreamStart = tStart;
 310
 311         for (i = 1; i < (This->cStreams + 1); i++)
 312         {
 313             hr = OutputPin_CommitAllocator((OutputPin *)This->ppPins[i]);
 314             if (FAILED(hr))
 315                 break;
 316         }
 317
 318         if (SUCCEEDED(hr))
 319         {
 320             LeaveCriticalSection(&This->csFilter);
 321             hr = PullPin_StartProcessing(This->pInputPin);
 322             EnterCriticalSection(&This->csFilter);
 323         }
 324
 325         if (SUCCEEDED(hr))
 326             This->state = State_Running;
 327     }
 328     LeaveCriticalSection(&This->csFilter);
 329     LeaveCriticalSection(&pin->thread_lock);
 330
 331     return hr;
 332 }
 333
 334 HRESULT WINAPI Parser_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
 335 {
 336     ParserImpl *This = (ParserImpl *)iface;
 337     PullPin *pin = (PullPin *)This->ppPins[0];
 338     HRESULT hr = S_OK;
 339
 340     TRACE("(%d, %p)\n", dwMilliSecsTimeout, pState);
 341
 342     EnterCriticalSection(&pin->thread_lock);
 343     EnterCriticalSection(&This->csFilter);
 344     {
 345         *pState = This->state;
 346     }
 347     LeaveCriticalSection(&This->csFilter);
 348
 349     if (This->pInputPin && (PullPin_WaitForStateChange(This->pInputPin, dwMilliSecsTimeout) == S_FALSE))
 350         hr = VFW_S_STATE_INTERMEDIATE;
 351     LeaveCriticalSection(&pin->thread_lock);
 352
 353     return hr;
 354 }
 355
 356 HRESULT WINAPI Parser_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
 357 {
 358     ParserImpl *This = (ParserImpl *)iface;
 359     PullPin *pin = (PullPin *)This->ppPins[0];
 360
 361     TRACE("(%p)\n", pClock);
 362
 363     EnterCriticalSection(&pin->thread_lock);
 364     EnterCriticalSection(&This->csFilter);
 365     {
 366         if (This->pClock)
 367             IReferenceClock_Release(This->pClock);
 368         This->pClock = pClock;
 369         if (This->pClock)
 370             IReferenceClock_AddRef(This->pClock);
 371     }
 372     LeaveCriticalSection(&This->csFilter);
 373     LeaveCriticalSection(&pin->thread_lock);
 374
 375     return S_OK;
 376 }
 377
 378 HRESULT WINAPI Parser_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
 379 {
 380     ParserImpl *This = (ParserImpl *)iface;
 381
 382     TRACE("(%p)\n", ppClock);
 383
 384     EnterCriticalSection(&This->csFilter);
 385     {
 386         *ppClock = This->pClock;
 387         if (This->pClock)
 388             IReferenceClock_AddRef(This->pClock);
 389     }
 390     LeaveCriticalSection(&This->csFilter);
 391
 392     return S_OK;
 393 }
 394
 395 /** IBaseFilter implementation **/
 396
 397 /* FIXME: WRONG */
 398 static HRESULT Parser_GetPin(IBaseFilter *iface, ULONG pos, IPin **pin, DWORD *lastsynctick)
 399 {
 400     ParserImpl *This = (ParserImpl *)iface;
 401
 402     *lastsynctick = This->lastpinchange;
 403
 404     TRACE("Asking for pos %x\n", pos);
 405
 406     /* Input pin also has a pin, hence the > and not >= */
 407     if (pos > This->cStreams)
 408         return S_FALSE;
 409
 410     *pin = This->ppPins[pos];
 411     IPin_AddRef(*pin);
 412     return S_OK;
 413 }
 414
 415 HRESULT WINAPI Parser_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
 416 {
 417     ParserImpl *This = (ParserImpl *)iface;
 418
 419     TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
 420
 421     return IEnumPinsImpl_Construct(ppEnum, Parser_GetPin, iface);
 422 }
 423
 424 HRESULT WINAPI Parser_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
 425 {
 426     FIXME("(%p)->(%s,%p)\n", iface, debugstr_w(Id), ppPin);
 427
 428     /* FIXME: critical section */
 429
 430     return E_NOTIMPL;
 431 }
 432
 433 HRESULT WINAPI Parser_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
 434 {
 435     ParserImpl *This = (ParserImpl *)iface;
 436
 437     TRACE("(%p)\n", pInfo);
 438
 439     strcpyW(pInfo->achName, This->filterInfo.achName);
 440     pInfo->pGraph = This->filterInfo.pGraph;
 441
 442     if (pInfo->pGraph)
 443         IFilterGraph_AddRef(pInfo->pGraph);
 444
 445     return S_OK;
 446 }
 447
 448 HRESULT WINAPI Parser_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
 449 {
 450     HRESULT hr = S_OK;
 451     ParserImpl *This = (ParserImpl *)iface;
 452
 453     TRACE("(%p, %s)\n", pGraph, debugstr_w(pName));
 454
 455     EnterCriticalSection(&This->csFilter);
 456     {
 457         if (pName)
 458             strcpyW(This->filterInfo.achName, pName);
 459         else
 460             *This->filterInfo.achName = '\0';
 461         This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
 462     }
 463     LeaveCriticalSection(&This->csFilter);
 464
 465     return hr;
 466 }
 467
 468 HRESULT WINAPI Parser_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
 469 {
 470     TRACE("(%p)\n", pVendorInfo);
 471     return E_NOTIMPL;
 472 }
 473
 474 HRESULT Parser_AddPin(ParserImpl * This, const PIN_INFO * piOutput, ALLOCATOR_PROPERTIES * props, const AM_MEDIA_TYPE * amt)
 475 {
 476     IPin ** ppOldPins;
 477     HRESULT hr;
 478
 479     ppOldPins = This->ppPins;
 480
 481     This->ppPins = CoTaskMemAlloc((This->cStreams + 2) * sizeof(IPin *));
 482     memcpy(This->ppPins, ppOldPins, (This->cStreams + 1) * sizeof(IPin *));
 483
 484     hr = OutputPin_Construct(&Parser_OutputPin_Vtbl, sizeof(Parser_OutputPin), piOutput, props, NULL, Parser_OutputPin_QueryAccept, &This->csFilter, This->ppPins + (This->cStreams + 1));
 485
 486     if (SUCCEEDED(hr))
 487     {
 488         IPin *pPin = This->ppPins[This->cStreams + 1];
 489         Parser_OutputPin *pin = (Parser_OutputPin *)pPin;
 490         pin->pmt = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
 491         CopyMediaType(pin->pmt, amt);
 492         pin->dwSamplesProcessed = 0;
 493
 494         pin->pin.pin.pUserData = (LPVOID)This->ppPins[This->cStreams + 1];
 495         pin->pin.pin.pinInfo.pFilter = (LPVOID)This;
 496         pin->pin.custom_allocator = 1;
 497         This->cStreams++;
 498         This->lastpinchange = GetTickCount();
 499         CoTaskMemFree(ppOldPins);
 500     }
 501     else
 502     {
 503         CoTaskMemFree(This->ppPins);
 504         This->ppPins = ppOldPins;
 505         ERR("Failed with error %x\n", hr);
 506     }
 507
 508     return hr;
 509 }
 510
 511 static HRESULT Parser_RemoveOutputPins(ParserImpl * This)
 512 {
 513     /* NOTE: should be in critical section when calling this function */
 514     HRESULT hr;
 515     ULONG i;
 516     IPin ** ppOldPins = This->ppPins;
 517
 518     TRACE("(%p)\n", This);
 519
 520     /* reduce the pin array down to 1 (just our input pin) */
 521     This->ppPins = CoTaskMemAlloc(sizeof(IPin *) * 1);
 522     memcpy(This->ppPins, ppOldPins, sizeof(IPin *) * 1);
 523
 524     for (i = 0; i < This->cStreams; i++)
 525     {
 526         hr = OutputPin_DeliverDisconnect((OutputPin *)ppOldPins[i + 1]);
 527         TRACE("Disconnect: %08x\n", hr);
 528         IPin_Release(ppOldPins[i + 1]);
 529     }
 530
 531     This->lastpinchange = GetTickCount();
 532     This->cStreams = 0;
 533     CoTaskMemFree(ppOldPins);
 534
 535     return S_OK;
 536 }
 537
 538 static HRESULT Parser_ChangeCurrent(IBaseFilter *iface)
 539 {
 540     FIXME("(%p) filter hasn't implemented current position change!\n", iface);
 541     return S_OK;
 542 }
 543
 544 static HRESULT Parser_ChangeStop(IBaseFilter *iface)
 545 {
 546     FIXME("(%p) filter hasn't implemented stop position change!\n", iface);
 547     return S_OK;
 548 }
 549
 550 static HRESULT Parser_ChangeRate(IBaseFilter *iface)
 551 {
 552     FIXME("(%p) filter hasn't implemented rate change!\n", iface);
 553     return S_OK;
 554 }
 555
 556
 557 static HRESULT WINAPI Parser_Seeking_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
 558 {
 559     ParserImpl *This = impl_from_IMediaSeeking(iface);
 560
 561     return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
 562 }
 563
 564 static ULONG WINAPI Parser_Seeking_AddRef(IMediaSeeking * iface)
 565 {
 566     ParserImpl *This = impl_from_IMediaSeeking(iface);
 567
 568     return IUnknown_AddRef((IUnknown *)This);
 569 }
 570
 571 static ULONG WINAPI Parser_Seeking_Release(IMediaSeeking * iface)
 572 {
 573     ParserImpl *This = impl_from_IMediaSeeking(iface);
 574
 575     return IUnknown_Release((IUnknown *)This);
 576 }
 577
 578 static const IMediaSeekingVtbl Parser_Seeking_Vtbl =
 579 {
 580     Parser_Seeking_QueryInterface,
 581     Parser_Seeking_AddRef,
 582     Parser_Seeking_Release,
 583     MediaSeekingImpl_GetCapabilities,
 584     MediaSeekingImpl_CheckCapabilities,
 585     MediaSeekingImpl_IsFormatSupported,
 586     MediaSeekingImpl_QueryPreferredFormat,
 587     MediaSeekingImpl_GetTimeFormat,
 588     MediaSeekingImpl_IsUsingTimeFormat,
 589     MediaSeekingImpl_SetTimeFormat,
 590     MediaSeekingImpl_GetDuration,
 591     MediaSeekingImpl_GetStopPosition,
 592     MediaSeekingImpl_GetCurrentPosition,
 593     MediaSeekingImpl_ConvertTimeFormat,
 594     MediaSeekingImpl_SetPositions,
 595     MediaSeekingImpl_GetPositions,
 596     MediaSeekingImpl_GetAvailable,
 597     MediaSeekingImpl_SetRate,
 598     MediaSeekingImpl_GetRate,
 599     MediaSeekingImpl_GetPreroll
 600 };
 601
 602 static HRESULT WINAPI Parser_OutputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
 603 {
 604     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 605
 606     TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
 607
 608     *ppv = NULL;
 609
 610     if (IsEqualIID(riid, &IID_IUnknown))
 611         *ppv = (LPVOID)iface;
 612     else if (IsEqualIID(riid, &IID_IPin))
 613         *ppv = (LPVOID)iface;
 614     else if (IsEqualIID(riid, &IID_IMediaSeeking))
 615     {
 616         return IBaseFilter_QueryInterface(This->pin.pin.pinInfo.pFilter, &IID_IMediaSeeking, ppv);
 617     }
 618
 619     if (*ppv)
 620     {
 621         IUnknown_AddRef((IUnknown *)(*ppv));
 622         return S_OK;
 623     }
 624
 625     FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 626
 627     return E_NOINTERFACE;
 628 }
 629
 630 static ULONG WINAPI Parser_OutputPin_Release(IPin * iface)
 631 {
 632     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 633     ULONG refCount = InterlockedDecrement(&This->pin.pin.refCount);
 634
 635     TRACE("(%p)->() Release from %d\n", iface, refCount + 1);
 636
 637     if (!refCount)
 638     {
 639         FreeMediaType(This->pmt);
 640         CoTaskMemFree(This->pmt);
 641         FreeMediaType(&This->pin.pin.mtCurrent);
 642         CoTaskMemFree(This);
 643         return 0;
 644     }
 645     return refCount;
 646 }
 647
 648 static HRESULT WINAPI Parser_OutputPin_EnumMediaTypes(IPin * iface, IEnumMediaTypes ** ppEnum)
 649 {
 650     ENUMMEDIADETAILS emd;
 651     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 652
 653     TRACE("(%p)\n", ppEnum);
 654
 655     /* override this method to allow enumeration of your types */
 656     emd.cMediaTypes = 1;
 657     emd.pMediaTypes = This->pmt;
 658
 659     return IEnumMediaTypesImpl_Construct(&emd, ppEnum);
 660 }
 661
 662 static HRESULT WINAPI Parser_OutputPin_Connect(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
 663 {
 664     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 665     ParserImpl *parser = (ParserImpl *)This->pin.pin.pinInfo.pFilter;
 666
 667     /* Set the allocator to our input pin's */
 668     EnterCriticalSection(This->pin.pin.pCritSec);
 669     This->pin.alloc = parser->pInputPin->pAlloc;
 670     LeaveCriticalSection(This->pin.pin.pCritSec);
 671
 672     return OutputPin_Connect(iface, pReceivePin, pmt);
 673 }
 674
 675 static HRESULT Parser_OutputPin_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
 676 {
 677     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 678
 679     TRACE("()\n");
 680     dump_AM_MEDIA_TYPE(pmt);
 681
 682     return (memcmp(This->pmt, pmt, sizeof(AM_MEDIA_TYPE)) == 0);
 683 }
 684
 685 static const IPinVtbl Parser_OutputPin_Vtbl =
 686 {
 687     Parser_OutputPin_QueryInterface,
 688     IPinImpl_AddRef,
 689     Parser_OutputPin_Release,
 690     Parser_OutputPin_Connect,
 691     OutputPin_ReceiveConnection,
 692     OutputPin_Disconnect,
 693     IPinImpl_ConnectedTo,
 694     IPinImpl_ConnectionMediaType,
 695     IPinImpl_QueryPinInfo,
 696     IPinImpl_QueryDirection,
 697     IPinImpl_QueryId,
 698     IPinImpl_QueryAccept,
 699     Parser_OutputPin_EnumMediaTypes,
 700     IPinImpl_QueryInternalConnections,
 701     OutputPin_EndOfStream,
 702     OutputPin_BeginFlush,
 703     OutputPin_EndFlush,
 704     OutputPin_NewSegment
 705 };
 706
 707 static HRESULT WINAPI Parser_PullPin_Disconnect(IPin * iface)
 708 {
 709     HRESULT hr;
 710     PullPin *This = (PullPin *)iface;
 711
 712     TRACE("()\n");
 713
 714     EnterCriticalSection(&This->thread_lock);
 715     EnterCriticalSection(This->pin.pCritSec);
 716     {
 717         if (This->pin.pConnectedTo)
 718         {
 719             FILTER_STATE state;
 720             ParserImpl *Parser = (ParserImpl *)This->pin.pinInfo.pFilter;
 721
 722             LeaveCriticalSection(This->pin.pCritSec);
 723             hr = IBaseFilter_GetState(This->pin.pinInfo.pFilter, INFINITE, &state);
 724             EnterCriticalSection(This->pin.pCritSec);
 725
 726             if (SUCCEEDED(hr) && (state == State_Stopped) && SUCCEEDED(Parser->fnDisconnect(Parser)))
 727             {
 728                 LeaveCriticalSection(This->pin.pCritSec);
 729                 PullPin_Disconnect(iface);
 730                 EnterCriticalSection(This->pin.pCritSec);
 731                 hr = Parser_RemoveOutputPins((ParserImpl *)This->pin.pinInfo.pFilter);
 732             }
 733             else
 734                 hr = VFW_E_NOT_STOPPED;
 735         }
 736         else
 737             hr = S_FALSE;
 738     }
 739     LeaveCriticalSection(This->pin.pCritSec);
 740     LeaveCriticalSection(&This->thread_lock);
 741
 742     return hr;
 743 }
 744
 745 HRESULT WINAPI Parser_PullPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
 746 {
 747     HRESULT hr;
 748
 749     TRACE("()\n");
 750
 751     hr = PullPin_ReceiveConnection(iface, pReceivePin, pmt);
 752     if (FAILED(hr))
 753     {
 754         IPinImpl *This = (IPinImpl *)iface;
 755
 756         EnterCriticalSection(This->pCritSec);
 757         Parser_RemoveOutputPins((ParserImpl *)This->pinInfo.pFilter);
 758         LeaveCriticalSection(This->pCritSec);
 759     }
 760
 761     return hr;
 762 }
 763
 764 static const IPinVtbl Parser_InputPin_Vtbl =
 765 {
 766     PullPin_QueryInterface,
 767     IPinImpl_AddRef,
 768     PullPin_Release,
 769     InputPin_Connect,
 770     Parser_PullPin_ReceiveConnection,
 771     Parser_PullPin_Disconnect,
 772     IPinImpl_ConnectedTo,
 773     IPinImpl_ConnectionMediaType,
 774     IPinImpl_QueryPinInfo,
 775     IPinImpl_QueryDirection,
 776     IPinImpl_QueryId,
 777     IPinImpl_QueryAccept,
 778     IPinImpl_EnumMediaTypes,
 779     IPinImpl_QueryInternalConnections,
 780     PullPin_EndOfStream,
 781     PullPin_BeginFlush,
 782     PullPin_EndFlush,
 783     PullPin_NewSegment
 784 };