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
 250     LeaveCriticalSection(&pin->thread_lock);
 251     return S_OK;
 252 }
 253
 254 HRESULT WINAPI Parser_Pause(IBaseFilter * iface)
 255 {
 256     HRESULT hr = S_OK;
 257     ParserImpl *This = (ParserImpl *)iface;
 258     PullPin *pin = (PullPin *)This->ppPins[0];
 259
 260     TRACE("()\n");
 261
 262     EnterCriticalSection(&pin->thread_lock);
 263     EnterCriticalSection(&This->csFilter);
 264
 265     if (This->state == State_Paused)
 266     {
 267         LeaveCriticalSection(&This->csFilter);
 268         LeaveCriticalSection(&pin->thread_lock);
 269         return S_OK;
 270     }
 271
 272     if (This->state == State_Stopped)
 273     {
 274         LeaveCriticalSection(&This->csFilter);
 275         hr = IBaseFilter_Run(iface, -1);
 276         EnterCriticalSection(&This->csFilter);
 277     }
 278
 279     if (SUCCEEDED(hr))
 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         HRESULT hr_any = VFW_E_NOT_CONNECTED;
 302
 303         if (This->state == State_Running || This->state == State_Paused)
 304         {
 305             This->state = State_Running;
 306             LeaveCriticalSection(&This->csFilter);
 307             LeaveCriticalSection(&pin->thread_lock);
 308             return S_OK;
 309         }
 310
 311         This->rtStreamStart = tStart;
 312
 313         for (i = 1; i < (This->cStreams + 1); i++)
 314         {
 315             hr = OutputPin_CommitAllocator((OutputPin *)This->ppPins[i]);
 316             if (SUCCEEDED(hr))
 317                 hr_any = hr;
 318         }
 319
 320         hr_any = hr;
 321         if (SUCCEEDED(hr))
 322         {
 323             LeaveCriticalSection(&This->csFilter);
 324             hr = PullPin_StartProcessing(This->pInputPin);
 325             EnterCriticalSection(&This->csFilter);
 326         }
 327
 328         if (SUCCEEDED(hr))
 329             This->state = State_Running;
 330     }
 331     LeaveCriticalSection(&This->csFilter);
 332     LeaveCriticalSection(&pin->thread_lock);
 333
 334     return hr;
 335 }
 336
 337 HRESULT WINAPI Parser_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
 338 {
 339     ParserImpl *This = (ParserImpl *)iface;
 340     PullPin *pin = (PullPin *)This->ppPins[0];
 341     HRESULT hr = S_OK;
 342
 343     TRACE("(%d, %p)\n", dwMilliSecsTimeout, pState);
 344
 345     EnterCriticalSection(&pin->thread_lock);
 346     EnterCriticalSection(&This->csFilter);
 347     {
 348         *pState = This->state;
 349     }
 350     LeaveCriticalSection(&This->csFilter);
 351
 352     if (This->pInputPin && (PullPin_WaitForStateChange(This->pInputPin, dwMilliSecsTimeout) == S_FALSE))
 353         hr = VFW_S_STATE_INTERMEDIATE;
 354     LeaveCriticalSection(&pin->thread_lock);
 355
 356     return hr;
 357 }
 358
 359 HRESULT WINAPI Parser_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
 360 {
 361     ParserImpl *This = (ParserImpl *)iface;
 362     PullPin *pin = (PullPin *)This->ppPins[0];
 363
 364     TRACE("(%p)\n", pClock);
 365
 366     EnterCriticalSection(&pin->thread_lock);
 367     EnterCriticalSection(&This->csFilter);
 368     {
 369         if (This->pClock)
 370             IReferenceClock_Release(This->pClock);
 371         This->pClock = pClock;
 372         if (This->pClock)
 373             IReferenceClock_AddRef(This->pClock);
 374     }
 375     LeaveCriticalSection(&This->csFilter);
 376     LeaveCriticalSection(&pin->thread_lock);
 377
 378     return S_OK;
 379 }
 380
 381 HRESULT WINAPI Parser_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
 382 {
 383     ParserImpl *This = (ParserImpl *)iface;
 384
 385     TRACE("(%p)\n", ppClock);
 386
 387     EnterCriticalSection(&This->csFilter);
 388     {
 389         *ppClock = This->pClock;
 390         if (This->pClock)
 391             IReferenceClock_AddRef(This->pClock);
 392     }
 393     LeaveCriticalSection(&This->csFilter);
 394
 395     return S_OK;
 396 }
 397
 398 /** IBaseFilter implementation **/
 399
 400 /* FIXME: WRONG */
 401 static HRESULT Parser_GetPin(IBaseFilter *iface, ULONG pos, IPin **pin, DWORD *lastsynctick)
 402 {
 403     ParserImpl *This = (ParserImpl *)iface;
 404
 405     *lastsynctick = This->lastpinchange;
 406
 407     TRACE("Asking for pos %x\n", pos);
 408
 409     /* Input pin also has a pin, hence the > and not >= */
 410     if (pos > This->cStreams)
 411         return S_FALSE;
 412
 413     *pin = This->ppPins[pos];
 414     IPin_AddRef(*pin);
 415     return S_OK;
 416 }
 417
 418 HRESULT WINAPI Parser_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
 419 {
 420     ParserImpl *This = (ParserImpl *)iface;
 421
 422     TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
 423
 424     return IEnumPinsImpl_Construct(ppEnum, Parser_GetPin, iface);
 425 }
 426
 427 HRESULT WINAPI Parser_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
 428 {
 429     FIXME("(%p)->(%s,%p)\n", iface, debugstr_w(Id), ppPin);
 430
 431     /* FIXME: critical section */
 432
 433     return E_NOTIMPL;
 434 }
 435
 436 HRESULT WINAPI Parser_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
 437 {
 438     ParserImpl *This = (ParserImpl *)iface;
 439
 440     TRACE("(%p)\n", pInfo);
 441
 442     strcpyW(pInfo->achName, This->filterInfo.achName);
 443     pInfo->pGraph = This->filterInfo.pGraph;
 444
 445     if (pInfo->pGraph)
 446         IFilterGraph_AddRef(pInfo->pGraph);
 447
 448     return S_OK;
 449 }
 450
 451 HRESULT WINAPI Parser_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
 452 {
 453     HRESULT hr = S_OK;
 454     ParserImpl *This = (ParserImpl *)iface;
 455
 456     TRACE("(%p, %s)\n", pGraph, debugstr_w(pName));
 457
 458     EnterCriticalSection(&This->csFilter);
 459     {
 460         if (pName)
 461             strcpyW(This->filterInfo.achName, pName);
 462         else
 463             *This->filterInfo.achName = '\0';
 464         This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
 465     }
 466     LeaveCriticalSection(&This->csFilter);
 467
 468     return hr;
 469 }
 470
 471 HRESULT WINAPI Parser_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
 472 {
 473     TRACE("(%p)\n", pVendorInfo);
 474     return E_NOTIMPL;
 475 }
 476
 477 HRESULT Parser_AddPin(ParserImpl * This, const PIN_INFO * piOutput, ALLOCATOR_PROPERTIES * props, const AM_MEDIA_TYPE * amt)
 478 {
 479     IPin ** ppOldPins;
 480     HRESULT hr;
 481
 482     ppOldPins = This->ppPins;
 483
 484     This->ppPins = CoTaskMemAlloc((This->cStreams + 2) * sizeof(IPin *));
 485     memcpy(This->ppPins, ppOldPins, (This->cStreams + 1) * sizeof(IPin *));
 486
 487     hr = OutputPin_Construct(&Parser_OutputPin_Vtbl, sizeof(Parser_OutputPin), piOutput, props, NULL, Parser_OutputPin_QueryAccept, &This->csFilter, This->ppPins + (This->cStreams + 1));
 488
 489     if (SUCCEEDED(hr))
 490     {
 491         IPin *pPin = This->ppPins[This->cStreams + 1];
 492         Parser_OutputPin *pin = (Parser_OutputPin *)pPin;
 493         pin->pmt = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
 494         CopyMediaType(pin->pmt, amt);
 495         pin->dwSamplesProcessed = 0;
 496
 497         pin->pin.pin.pUserData = (LPVOID)This->ppPins[This->cStreams + 1];
 498         pin->pin.pin.pinInfo.pFilter = (LPVOID)This;
 499         pin->pin.custom_allocator = 1;
 500         This->cStreams++;
 501         This->lastpinchange = GetTickCount();
 502         CoTaskMemFree(ppOldPins);
 503     }
 504     else
 505     {
 506         CoTaskMemFree(This->ppPins);
 507         This->ppPins = ppOldPins;
 508         ERR("Failed with error %x\n", hr);
 509     }
 510
 511     return hr;
 512 }
 513
 514 static HRESULT Parser_RemoveOutputPins(ParserImpl * This)
 515 {
 516     /* NOTE: should be in critical section when calling this function */
 517     HRESULT hr;
 518     ULONG i;
 519     IPin ** ppOldPins = This->ppPins;
 520
 521     TRACE("(%p)\n", This);
 522
 523     /* reduce the pin array down to 1 (just our input pin) */
 524     This->ppPins = CoTaskMemAlloc(sizeof(IPin *) * 1);
 525     memcpy(This->ppPins, ppOldPins, sizeof(IPin *) * 1);
 526
 527     for (i = 0; i < This->cStreams; i++)
 528     {
 529         hr = OutputPin_DeliverDisconnect((OutputPin *)ppOldPins[i + 1]);
 530         TRACE("Disconnect: %08x\n", hr);
 531         IPin_Release(ppOldPins[i + 1]);
 532     }
 533
 534     This->lastpinchange = GetTickCount();
 535     This->cStreams = 0;
 536     CoTaskMemFree(ppOldPins);
 537
 538     return S_OK;
 539 }
 540
 541 static HRESULT Parser_ChangeCurrent(IBaseFilter *iface)
 542 {
 543     FIXME("(%p) filter hasn't implemented current position change!\n", iface);
 544     return S_OK;
 545 }
 546
 547 static HRESULT Parser_ChangeStop(IBaseFilter *iface)
 548 {
 549     FIXME("(%p) filter hasn't implemented stop position change!\n", iface);
 550     return S_OK;
 551 }
 552
 553 static HRESULT Parser_ChangeRate(IBaseFilter *iface)
 554 {
 555     FIXME("(%p) filter hasn't implemented rate change!\n", iface);
 556     return S_OK;
 557 }
 558
 559
 560 static HRESULT WINAPI Parser_Seeking_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
 561 {
 562     ParserImpl *This = impl_from_IMediaSeeking(iface);
 563
 564     return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
 565 }
 566
 567 static ULONG WINAPI Parser_Seeking_AddRef(IMediaSeeking * iface)
 568 {
 569     ParserImpl *This = impl_from_IMediaSeeking(iface);
 570
 571     return IUnknown_AddRef((IUnknown *)This);
 572 }
 573
 574 static ULONG WINAPI Parser_Seeking_Release(IMediaSeeking * iface)
 575 {
 576     ParserImpl *This = impl_from_IMediaSeeking(iface);
 577
 578     return IUnknown_Release((IUnknown *)This);
 579 }
 580
 581 static const IMediaSeekingVtbl Parser_Seeking_Vtbl =
 582 {
 583     Parser_Seeking_QueryInterface,
 584     Parser_Seeking_AddRef,
 585     Parser_Seeking_Release,
 586     MediaSeekingImpl_GetCapabilities,
 587     MediaSeekingImpl_CheckCapabilities,
 588     MediaSeekingImpl_IsFormatSupported,
 589     MediaSeekingImpl_QueryPreferredFormat,
 590     MediaSeekingImpl_GetTimeFormat,
 591     MediaSeekingImpl_IsUsingTimeFormat,
 592     MediaSeekingImpl_SetTimeFormat,
 593     MediaSeekingImpl_GetDuration,
 594     MediaSeekingImpl_GetStopPosition,
 595     MediaSeekingImpl_GetCurrentPosition,
 596     MediaSeekingImpl_ConvertTimeFormat,
 597     MediaSeekingImpl_SetPositions,
 598     MediaSeekingImpl_GetPositions,
 599     MediaSeekingImpl_GetAvailable,
 600     MediaSeekingImpl_SetRate,
 601     MediaSeekingImpl_GetRate,
 602     MediaSeekingImpl_GetPreroll
 603 };
 604
 605 static HRESULT WINAPI Parser_OutputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
 606 {
 607     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 608
 609     TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
 610
 611     *ppv = NULL;
 612
 613     if (IsEqualIID(riid, &IID_IUnknown))
 614         *ppv = (LPVOID)iface;
 615     else if (IsEqualIID(riid, &IID_IPin))
 616         *ppv = (LPVOID)iface;
 617     else if (IsEqualIID(riid, &IID_IMediaSeeking))
 618     {
 619         return IBaseFilter_QueryInterface(This->pin.pin.pinInfo.pFilter, &IID_IMediaSeeking, ppv);
 620     }
 621
 622     if (*ppv)
 623     {
 624         IUnknown_AddRef((IUnknown *)(*ppv));
 625         return S_OK;
 626     }
 627
 628     FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 629
 630     return E_NOINTERFACE;
 631 }
 632
 633 static ULONG WINAPI Parser_OutputPin_Release(IPin * iface)
 634 {
 635     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 636     ULONG refCount = InterlockedDecrement(&This->pin.pin.refCount);
 637
 638     TRACE("(%p)->() Release from %d\n", iface, refCount + 1);
 639
 640     if (!refCount)
 641     {
 642         FreeMediaType(This->pmt);
 643         CoTaskMemFree(This->pmt);
 644         FreeMediaType(&This->pin.pin.mtCurrent);
 645         CoTaskMemFree(This);
 646         return 0;
 647     }
 648     return refCount;
 649 }
 650
 651 static HRESULT WINAPI Parser_OutputPin_EnumMediaTypes(IPin * iface, IEnumMediaTypes ** ppEnum)
 652 {
 653     ENUMMEDIADETAILS emd;
 654     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 655
 656     TRACE("(%p)\n", ppEnum);
 657
 658     /* override this method to allow enumeration of your types */
 659     emd.cMediaTypes = 1;
 660     emd.pMediaTypes = This->pmt;
 661
 662     return IEnumMediaTypesImpl_Construct(&emd, ppEnum);
 663 }
 664
 665 static HRESULT WINAPI Parser_OutputPin_Connect(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
 666 {
 667     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 668     ParserImpl *parser = (ParserImpl *)This->pin.pin.pinInfo.pFilter;
 669
 670     /* Set the allocator to our input pin's */
 671     EnterCriticalSection(This->pin.pin.pCritSec);
 672     This->pin.alloc = parser->pInputPin->pAlloc;
 673     LeaveCriticalSection(This->pin.pin.pCritSec);
 674
 675     return OutputPin_Connect(iface, pReceivePin, pmt);
 676 }
 677
 678 static HRESULT Parser_OutputPin_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
 679 {
 680     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 681
 682     TRACE("()\n");
 683     dump_AM_MEDIA_TYPE(pmt);
 684
 685     return (memcmp(This->pmt, pmt, sizeof(AM_MEDIA_TYPE)) == 0);
 686 }
 687
 688 static const IPinVtbl Parser_OutputPin_Vtbl =
 689 {
 690     Parser_OutputPin_QueryInterface,
 691     IPinImpl_AddRef,
 692     Parser_OutputPin_Release,
 693     Parser_OutputPin_Connect,
 694     OutputPin_ReceiveConnection,
 695     OutputPin_Disconnect,
 696     IPinImpl_ConnectedTo,
 697     IPinImpl_ConnectionMediaType,
 698     IPinImpl_QueryPinInfo,
 699     IPinImpl_QueryDirection,
 700     IPinImpl_QueryId,
 701     IPinImpl_QueryAccept,
 702     Parser_OutputPin_EnumMediaTypes,
 703     IPinImpl_QueryInternalConnections,
 704     OutputPin_EndOfStream,
 705     OutputPin_BeginFlush,
 706     OutputPin_EndFlush,
 707     OutputPin_NewSegment
 708 };
 709
 710 static HRESULT WINAPI Parser_PullPin_Disconnect(IPin * iface)
 711 {
 712     HRESULT hr;
 713     PullPin *This = (PullPin *)iface;
 714
 715     TRACE("()\n");
 716
 717     EnterCriticalSection(&This->thread_lock);
 718     EnterCriticalSection(This->pin.pCritSec);
 719     {
 720         if (This->pin.pConnectedTo)
 721         {
 722             FILTER_STATE state;
 723             ParserImpl *Parser = (ParserImpl *)This->pin.pinInfo.pFilter;
 724
 725             LeaveCriticalSection(This->pin.pCritSec);
 726             hr = IBaseFilter_GetState(This->pin.pinInfo.pFilter, INFINITE, &state);
 727             EnterCriticalSection(This->pin.pCritSec);
 728
 729             if (SUCCEEDED(hr) && (state == State_Stopped) && SUCCEEDED(Parser->fnDisconnect(Parser)))
 730             {
 731                 LeaveCriticalSection(This->pin.pCritSec);
 732                 PullPin_Disconnect(iface);
 733                 EnterCriticalSection(This->pin.pCritSec);
 734                 hr = Parser_RemoveOutputPins((ParserImpl *)This->pin.pinInfo.pFilter);
 735             }
 736             else
 737                 hr = VFW_E_NOT_STOPPED;
 738         }
 739         else
 740             hr = S_FALSE;
 741     }
 742     LeaveCriticalSection(This->pin.pCritSec);
 743     LeaveCriticalSection(&This->thread_lock);
 744
 745     return hr;
 746 }
 747
 748 HRESULT WINAPI Parser_PullPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
 749 {
 750     HRESULT hr;
 751
 752     TRACE("()\n");
 753
 754     hr = PullPin_ReceiveConnection(iface, pReceivePin, pmt);
 755     if (FAILED(hr))
 756     {
 757         IPinImpl *This = (IPinImpl *)iface;
 758
 759         EnterCriticalSection(This->pCritSec);
 760         Parser_RemoveOutputPins((ParserImpl *)This->pinInfo.pFilter);
 761         LeaveCriticalSection(This->pCritSec);
 762     }
 763
 764     return hr;
 765 }
 766
 767 static const IPinVtbl Parser_InputPin_Vtbl =
 768 {
 769     PullPin_QueryInterface,
 770     IPinImpl_AddRef,
 771     PullPin_Release,
 772     InputPin_Connect,
 773     Parser_PullPin_ReceiveConnection,
 774     Parser_PullPin_Disconnect,
 775     IPinImpl_ConnectedTo,
 776     IPinImpl_ConnectionMediaType,
 777     IPinImpl_QueryPinInfo,
 778     IPinImpl_QueryDirection,
 779     IPinImpl_QueryId,
 780     IPinImpl_QueryAccept,
 781     IPinImpl_EnumMediaTypes,
 782     IPinImpl_QueryInternalConnections,
 783     PullPin_EndOfStream,
 784     PullPin_BeginFlush,
 785     PullPin_EndFlush,
 786     PullPin_NewSegment
 787 };