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 (ParserImpl *)((char*)iface - FIELD_OFFSET(ParserImpl, sourceSeeking.lpVtbl));
  54 }
  55
  56 /* FIXME: WRONG */
  57 static IPin* WINAPI Parser_GetPin(BaseFilter *iface, int pos)
  58 {
  59     ParserImpl *This = (ParserImpl *)iface;
  60
  61     TRACE("Asking for pos %x\n", pos);
  62
  63     /* Input pin also has a pin, hence the > and not >= */
  64     if (pos > This->cStreams || pos < 0)
  65         return NULL;
  66
  67     IPin_AddRef(This->ppPins[pos]);
  68     return This->ppPins[pos];
  69 }
  70
  71 static LONG WINAPI Parser_GetPinCount(BaseFilter *iface)
  72 {
  73     ParserImpl *This = (ParserImpl *)iface;
  74
  75     return This->cStreams;
  76 }
  77
  78 static const BaseFilterFuncTable BaseFuncTable = {
  79     Parser_GetPin,
  80     Parser_GetPinCount
  81 };
  82
  83 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)
  84 {
  85     HRESULT hr;
  86     PIN_INFO piInput;
  87
  88     /* pTransformFilter is already allocated */
  89     BaseFilter_Init(&pParser->filter, Parser_Vtbl, pClsid, (DWORD_PTR)(__FILE__ ": ParserImpl.csFilter"), &BaseFuncTable);
  90
  91     pParser->fnDisconnect = fnDisconnect;
  92
  93     pParser->cStreams = 0;
  94     pParser->ppPins = CoTaskMemAlloc(1 * sizeof(IPin *));
  95
  96     /* construct input pin */
  97     piInput.dir = PINDIR_INPUT;
  98     piInput.pFilter = (IBaseFilter *)pParser;
  99     lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
 100
 101     if (!start)
 102         start = Parser_ChangeStart;
 103
 104     if (!stop)
 105         stop = Parser_ChangeStop;
 106
 107     if (!rate)
 108         rate = Parser_ChangeRate;
 109
 110     SourceSeeking_Init(&pParser->sourceSeeking, &Parser_Seeking_Vtbl, stop, start, rate,  &pParser->filter.csFilter);
 111
 112     hr = PullPin_Construct(&Parser_InputPin_Vtbl, &piInput, fnProcessSample, (LPVOID)pParser, fnQueryAccept, fnCleanup, fnRequest, fnDone, &pParser->filter.csFilter, (IPin **)&pParser->pInputPin);
 113
 114     if (SUCCEEDED(hr))
 115     {
 116         pParser->ppPins[0] = (IPin *)pParser->pInputPin;
 117         pParser->pInputPin->fnPreConnect = fnPreConnect;
 118     }
 119     else
 120     {
 121         CoTaskMemFree(pParser->ppPins);
 122         BaseFilterImpl_Release((IBaseFilter*)pParser);
 123         CoTaskMemFree(pParser);
 124     }
 125
 126     return hr;
 127 }
 128
 129 HRESULT WINAPI Parser_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
 130 {
 131     ParserImpl *This = (ParserImpl *)iface;
 132     TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
 133
 134     *ppv = NULL;
 135
 136     if ( IsEqualIID(riid, &IID_IUnknown)
 137       || IsEqualIID(riid, &IID_IPersist)
 138       || IsEqualIID(riid, &IID_IMediaFilter)
 139       || IsEqualIID(riid, &IID_IBaseFilter) )
 140         *ppv = This;
 141
 142     if (*ppv)
 143     {
 144         IUnknown_AddRef((IUnknown *)(*ppv));
 145         return S_OK;
 146     }
 147
 148     if (!IsEqualIID(riid, &IID_IPin) && !IsEqualIID(riid, &IID_IVideoWindow))
 149         FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 150
 151     return E_NOINTERFACE;
 152 }
 153
 154 ULONG WINAPI Parser_AddRef(IBaseFilter * iface)
 155 {
 156     return BaseFilterImpl_AddRef(iface);
 157 }
 158
 159 void Parser_Destroy(ParserImpl *This)
 160 {
 161     IPin *connected = NULL;
 162     ULONG pinref;
 163
 164     assert(!This->filter.refCount);
 165     PullPin_WaitForStateChange(This->pInputPin, INFINITE);
 166
 167     /* Don't need to clean up output pins, freeing input pin will do that */
 168     IPin_ConnectedTo((IPin *)This->pInputPin, &connected);
 169     if (connected)
 170     {
 171         assert(IPin_Disconnect(connected) == S_OK);
 172         IPin_Release(connected);
 173         assert(IPin_Disconnect((IPin *)This->pInputPin) == S_OK);
 174     }
 175     pinref = IPin_Release((IPin *)This->pInputPin);
 176     if (pinref)
 177     {
 178         /* Valgrind could find this, if I kill it here */
 179         ERR("pinref should be null, is %u, destroying anyway\n", pinref);
 180         assert((LONG)pinref > 0);
 181
 182         while (pinref)
 183             pinref = IPin_Release((IPin *)This->pInputPin);
 184     }
 185
 186     CoTaskMemFree(This->ppPins);
 187
 188     TRACE("Destroying parser\n");
 189     CoTaskMemFree(This);
 190 }
 191
 192 ULONG WINAPI Parser_Release(IBaseFilter * iface)
 193 {
 194     ParserImpl *This = (ParserImpl *)iface;
 195     ULONG refCount = BaseFilterImpl_Release(iface);
 196
 197     TRACE("(%p)->() Release from %d\n", This, refCount + 1);
 198
 199     if (!refCount)
 200         Parser_Destroy(This);
 201
 202     return refCount;
 203 }
 204
 205 /** IPersist methods **/
 206
 207 HRESULT WINAPI Parser_GetClassID(IBaseFilter * iface, CLSID * pClsid)
 208 {
 209     ParserImpl *This = (ParserImpl *)iface;
 210
 211     TRACE("(%p)\n", pClsid);
 212
 213     *pClsid = This->filter.clsid;
 214
 215     return S_OK;
 216 }
 217
 218 /** IMediaFilter methods **/
 219
 220 HRESULT WINAPI Parser_Stop(IBaseFilter * iface)
 221 {
 222     ParserImpl *This = (ParserImpl *)iface;
 223     PullPin *pin = (PullPin *)This->ppPins[0];
 224     ULONG i;
 225
 226     TRACE("()\n");
 227
 228     EnterCriticalSection(&pin->thread_lock);
 229
 230     IAsyncReader_BeginFlush(This->pInputPin->pReader);
 231     EnterCriticalSection(&This->filter.csFilter);
 232
 233     if (This->filter.state == State_Stopped)
 234     {
 235         LeaveCriticalSection(&This->filter.csFilter);
 236         IAsyncReader_EndFlush(This->pInputPin->pReader);
 237         LeaveCriticalSection(&pin->thread_lock);
 238         return S_OK;
 239     }
 240
 241     This->filter.state = State_Stopped;
 242
 243     for (i = 1; i < (This->cStreams + 1); i++)
 244     {
 245         BaseOutputPinImpl_Inactive((BaseOutputPin *)This->ppPins[i]);
 246     }
 247
 248     LeaveCriticalSection(&This->filter.csFilter);
 249
 250     PullPin_PauseProcessing(This->pInputPin);
 251     PullPin_WaitForStateChange(This->pInputPin, INFINITE);
 252     IAsyncReader_EndFlush(This->pInputPin->pReader);
 253
 254     LeaveCriticalSection(&pin->thread_lock);
 255     return S_OK;
 256 }
 257
 258 HRESULT WINAPI Parser_Pause(IBaseFilter * iface)
 259 {
 260     HRESULT hr = S_OK;
 261     ParserImpl *This = (ParserImpl *)iface;
 262     PullPin *pin = (PullPin *)This->ppPins[0];
 263
 264     TRACE("()\n");
 265
 266     EnterCriticalSection(&pin->thread_lock);
 267     EnterCriticalSection(&This->filter.csFilter);
 268
 269     if (This->filter.state == State_Paused)
 270     {
 271         LeaveCriticalSection(&This->filter.csFilter);
 272         LeaveCriticalSection(&pin->thread_lock);
 273         return S_OK;
 274     }
 275
 276     if (This->filter.state == State_Stopped)
 277     {
 278         LeaveCriticalSection(&This->filter.csFilter);
 279         hr = IBaseFilter_Run(iface, -1);
 280         EnterCriticalSection(&This->filter.csFilter);
 281     }
 282
 283     if (SUCCEEDED(hr))
 284         This->filter.state = State_Paused;
 285
 286     LeaveCriticalSection(&This->filter.csFilter);
 287     LeaveCriticalSection(&pin->thread_lock);
 288
 289     return hr;
 290 }
 291
 292 HRESULT WINAPI Parser_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
 293 {
 294     HRESULT hr = S_OK;
 295     ParserImpl *This = (ParserImpl *)iface;
 296     PullPin *pin = (PullPin *)This->ppPins[0];
 297
 298     ULONG i;
 299
 300     TRACE("(%s)\n", wine_dbgstr_longlong(tStart));
 301
 302     EnterCriticalSection(&pin->thread_lock);
 303     EnterCriticalSection(&This->filter.csFilter);
 304     {
 305         HRESULT hr_any = VFW_E_NOT_CONNECTED;
 306
 307         if (This->filter.state == State_Running || This->filter.state == State_Paused)
 308         {
 309             This->filter.state = State_Running;
 310             LeaveCriticalSection(&This->filter.csFilter);
 311             LeaveCriticalSection(&pin->thread_lock);
 312             return S_OK;
 313         }
 314
 315         This->filter.rtStreamStart = tStart;
 316
 317         for (i = 1; i < (This->cStreams + 1); i++)
 318         {
 319             hr = BaseOutputPinImpl_Active((BaseOutputPin *)This->ppPins[i]);
 320             if (SUCCEEDED(hr))
 321                 hr_any = hr;
 322         }
 323
 324         hr = hr_any;
 325         if (SUCCEEDED(hr))
 326         {
 327             LeaveCriticalSection(&This->filter.csFilter);
 328             hr = PullPin_StartProcessing(This->pInputPin);
 329             EnterCriticalSection(&This->filter.csFilter);
 330         }
 331
 332         if (SUCCEEDED(hr))
 333             This->filter.state = State_Running;
 334     }
 335     LeaveCriticalSection(&This->filter.csFilter);
 336     LeaveCriticalSection(&pin->thread_lock);
 337
 338     return hr;
 339 }
 340
 341 HRESULT WINAPI Parser_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
 342 {
 343     ParserImpl *This = (ParserImpl *)iface;
 344     PullPin *pin = (PullPin *)This->ppPins[0];
 345     HRESULT hr = S_OK;
 346
 347     TRACE("(%d, %p)\n", dwMilliSecsTimeout, pState);
 348
 349     EnterCriticalSection(&pin->thread_lock);
 350     EnterCriticalSection(&This->filter.csFilter);
 351     {
 352         *pState = This->filter.state;
 353     }
 354     LeaveCriticalSection(&This->filter.csFilter);
 355
 356     if (This->pInputPin && (PullPin_WaitForStateChange(This->pInputPin, dwMilliSecsTimeout) == S_FALSE))
 357         hr = VFW_S_STATE_INTERMEDIATE;
 358     LeaveCriticalSection(&pin->thread_lock);
 359
 360     return hr;
 361 }
 362
 363 HRESULT WINAPI Parser_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
 364 {
 365     ParserImpl *This = (ParserImpl *)iface;
 366     PullPin *pin = (PullPin *)This->ppPins[0];
 367
 368     TRACE("(%p)\n", pClock);
 369
 370     EnterCriticalSection(&pin->thread_lock);
 371     BaseFilterImpl_SetSyncSource(iface,pClock);
 372     LeaveCriticalSection(&pin->thread_lock);
 373
 374     return S_OK;
 375 }
 376
 377 HRESULT WINAPI Parser_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
 378 {
 379     return BaseFilterImpl_GetSyncSource(iface, ppClock);
 380 }
 381
 382 /** IBaseFilter implementation **/
 383
 384 HRESULT WINAPI Parser_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
 385 {
 386     return BaseFilterImpl_EnumPins(iface,ppEnum);
 387 }
 388
 389 HRESULT WINAPI Parser_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
 390 {
 391     FIXME("(%p)->(%s,%p)\n", iface, debugstr_w(Id), ppPin);
 392
 393     /* FIXME: critical section */
 394
 395     return E_NOTIMPL;
 396 }
 397
 398 HRESULT WINAPI Parser_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
 399 {
 400     return BaseFilterImpl_QueryFilterInfo(iface, pInfo);
 401 }
 402
 403 HRESULT WINAPI Parser_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
 404 {
 405     return BaseFilterImpl_JoinFilterGraph(iface, pGraph, pName);
 406 }
 407
 408 HRESULT WINAPI Parser_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
 409 {
 410     return BaseFilterImpl_QueryVendorInfo(iface, pVendorInfo);
 411 }
 412
 413 static const  BasePinFuncTable output_BaseFuncTable = {
 414     NULL,
 415     BaseOutputPinImpl_AttemptConnection,
 416     BasePinImpl_GetMediaTypeVersion,
 417     Parser_OutputPin_GetMediaType
 418 };
 419
 420 static const BaseOutputPinFuncTable output_BaseOutputFuncTable = {
 421     Parser_OutputPin_DecideBufferSize,
 422     Parser_OutputPin_DecideAllocator,
 423     Parser_OutputPin_BreakConnect
 424 };
 425
 426 HRESULT Parser_AddPin(ParserImpl * This, const PIN_INFO * piOutput, ALLOCATOR_PROPERTIES * props, const AM_MEDIA_TYPE * amt)
 427 {
 428     IPin ** ppOldPins;
 429     HRESULT hr;
 430
 431     ppOldPins = This->ppPins;
 432
 433     This->ppPins = CoTaskMemAlloc((This->cStreams + 2) * sizeof(IPin *));
 434     memcpy(This->ppPins, ppOldPins, (This->cStreams + 1) * sizeof(IPin *));
 435
 436     hr = BaseOutputPin_Construct(&Parser_OutputPin_Vtbl, sizeof(Parser_OutputPin), piOutput, &output_BaseFuncTable, &output_BaseOutputFuncTable, &This->filter.csFilter, This->ppPins + (This->cStreams + 1));
 437
 438     if (SUCCEEDED(hr))
 439     {
 440         IPin *pPin = This->ppPins[This->cStreams + 1];
 441         Parser_OutputPin *pin = (Parser_OutputPin *)pPin;
 442         pin->pmt = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
 443         CopyMediaType(pin->pmt, amt);
 444         pin->dwSamplesProcessed = 0;
 445
 446         pin->pin.pin.pinInfo.pFilter = (LPVOID)This;
 447         pin->allocProps = *props;
 448         This->cStreams++;
 449         BaseFilterImpl_IncrementPinVersion((BaseFilter*)This);
 450         CoTaskMemFree(ppOldPins);
 451     }
 452     else
 453     {
 454         CoTaskMemFree(This->ppPins);
 455         This->ppPins = ppOldPins;
 456         ERR("Failed with error %x\n", hr);
 457     }
 458
 459     return hr;
 460 }
 461
 462 static HRESULT Parser_RemoveOutputPins(ParserImpl * This)
 463 {
 464     /* NOTE: should be in critical section when calling this function */
 465     HRESULT hr;
 466     ULONG i;
 467     IPin ** ppOldPins = This->ppPins;
 468
 469     TRACE("(%p)\n", This);
 470
 471     /* reduce the pin array down to 1 (just our input pin) */
 472     This->ppPins = CoTaskMemAlloc(sizeof(IPin *) * 1);
 473     memcpy(This->ppPins, ppOldPins, sizeof(IPin *) * 1);
 474
 475     for (i = 0; i < This->cStreams; i++)
 476     {
 477         hr = ((BaseOutputPin *)ppOldPins[i + 1])->pFuncsTable->pfnBreakConnect((BaseOutputPin *)ppOldPins[i + 1]);
 478         TRACE("Disconnect: %08x\n", hr);
 479         IPin_Release(ppOldPins[i + 1]);
 480     }
 481
 482     BaseFilterImpl_IncrementPinVersion((BaseFilter*)This);
 483     This->cStreams = 0;
 484     CoTaskMemFree(ppOldPins);
 485
 486     return S_OK;
 487 }
 488
 489 static HRESULT WINAPI Parser_ChangeStart(IMediaSeeking *iface)
 490 {
 491     FIXME("(%p) filter hasn't implemented start position change!\n", iface);
 492     return S_OK;
 493 }
 494
 495 static HRESULT WINAPI Parser_ChangeStop(IMediaSeeking *iface)
 496 {
 497     FIXME("(%p) filter hasn't implemented stop position change!\n", iface);
 498     return S_OK;
 499 }
 500
 501 static HRESULT WINAPI Parser_ChangeRate(IMediaSeeking *iface)
 502 {
 503     FIXME("(%p) filter hasn't implemented rate change!\n", iface);
 504     return S_OK;
 505 }
 506
 507
 508 static HRESULT WINAPI Parser_Seeking_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
 509 {
 510     ParserImpl *This = impl_from_IMediaSeeking(iface);
 511
 512     return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
 513 }
 514
 515 static ULONG WINAPI Parser_Seeking_AddRef(IMediaSeeking * iface)
 516 {
 517     ParserImpl *This = impl_from_IMediaSeeking(iface);
 518
 519     return IUnknown_AddRef((IUnknown *)This);
 520 }
 521
 522 static ULONG WINAPI Parser_Seeking_Release(IMediaSeeking * iface)
 523 {
 524     ParserImpl *This = impl_from_IMediaSeeking(iface);
 525
 526     return IUnknown_Release((IUnknown *)This);
 527 }
 528
 529 static const IMediaSeekingVtbl Parser_Seeking_Vtbl =
 530 {
 531     Parser_Seeking_QueryInterface,
 532     Parser_Seeking_AddRef,
 533     Parser_Seeking_Release,
 534     SourceSeekingImpl_GetCapabilities,
 535     SourceSeekingImpl_CheckCapabilities,
 536     SourceSeekingImpl_IsFormatSupported,
 537     SourceSeekingImpl_QueryPreferredFormat,
 538     SourceSeekingImpl_GetTimeFormat,
 539     SourceSeekingImpl_IsUsingTimeFormat,
 540     SourceSeekingImpl_SetTimeFormat,
 541     SourceSeekingImpl_GetDuration,
 542     SourceSeekingImpl_GetStopPosition,
 543     SourceSeekingImpl_GetCurrentPosition,
 544     SourceSeekingImpl_ConvertTimeFormat,
 545     SourceSeekingImpl_SetPositions,
 546     SourceSeekingImpl_GetPositions,
 547     SourceSeekingImpl_GetAvailable,
 548     SourceSeekingImpl_SetRate,
 549     SourceSeekingImpl_GetRate,
 550     SourceSeekingImpl_GetPreroll
 551 };
 552
 553 static HRESULT WINAPI Parser_OutputPin_DecideBufferSize(BaseOutputPin *iface, IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
 554 {
 555     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 556     ALLOCATOR_PROPERTIES actual;
 557
 558     if (ppropInputRequest->cbAlign && ppropInputRequest->cbAlign != This->allocProps.cbAlign)
 559         FIXME("Requested Buffer cbAlign mismatch %i,%i\n",This->allocProps.cbAlign, ppropInputRequest->cbAlign);
 560     if (ppropInputRequest->cbPrefix)
 561         FIXME("Requested Buffer cbPrefix mismatch %i,%i\n",This->allocProps.cbPrefix, ppropInputRequest->cbPrefix);
 562     if (ppropInputRequest->cbBuffer)
 563         FIXME("Requested Buffer cbBuffer mismatch %i,%i\n",This->allocProps.cbBuffer, ppropInputRequest->cbBuffer);
 564     if (ppropInputRequest->cBuffers)
 565         FIXME("Requested Buffer cBuffers mismatch %i,%i\n",This->allocProps.cBuffers, ppropInputRequest->cBuffers);
 566
 567     return IMemAllocator_SetProperties(pAlloc, &This->allocProps, &actual);
 568 }
 569
 570 static HRESULT WINAPI Parser_OutputPin_GetMediaType(BasePin *iface, int iPosition, AM_MEDIA_TYPE *pmt)
 571 {
 572     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 573     if (iPosition < 0)
 574         return E_INVALIDARG;
 575     if (iPosition > 0)
 576         return VFW_S_NO_MORE_ITEMS;
 577     CopyMediaType(pmt, This->pmt);
 578     return S_OK;
 579 }
 580
 581 static HRESULT WINAPI Parser_OutputPin_DecideAllocator(BaseOutputPin *iface, IMemInputPin *pPin, IMemAllocator **pAlloc)
 582 {
 583     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 584     HRESULT hr;
 585
 586     pAlloc = NULL;
 587
 588     if (This->alloc)
 589         hr = IMemInputPin_NotifyAllocator(pPin, This->alloc, This->readonly);
 590     else
 591         hr = VFW_E_NO_ALLOCATOR;
 592
 593     return hr;
 594 }
 595
 596 static HRESULT WINAPI Parser_OutputPin_BreakConnect(BaseOutputPin *This)
 597 {
 598     HRESULT hr;
 599
 600     TRACE("(%p)->()\n", This);
 601
 602     EnterCriticalSection(This->pin.pCritSec);
 603     if (!This->pin.pConnectedTo || !This->pMemInputPin)
 604         hr = VFW_E_NOT_CONNECTED;
 605     else
 606     {
 607         hr = IPin_Disconnect(This->pin.pConnectedTo);
 608         IPin_Disconnect((IPin *)This);
 609     }
 610     LeaveCriticalSection(This->pin.pCritSec);
 611
 612     return hr;
 613 }
 614
 615
 616 static HRESULT WINAPI Parser_OutputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
 617 {
 618     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 619
 620     TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
 621
 622     *ppv = NULL;
 623
 624     if (IsEqualIID(riid, &IID_IUnknown))
 625         *ppv = iface;
 626     else if (IsEqualIID(riid, &IID_IPin))
 627         *ppv = iface;
 628     else if (IsEqualIID(riid, &IID_IMediaSeeking))
 629     {
 630         return IBaseFilter_QueryInterface(This->pin.pin.pinInfo.pFilter, &IID_IMediaSeeking, ppv);
 631     }
 632
 633     if (*ppv)
 634     {
 635         IUnknown_AddRef((IUnknown *)(*ppv));
 636         return S_OK;
 637     }
 638
 639     FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 640
 641     return E_NOINTERFACE;
 642 }
 643
 644 static ULONG WINAPI Parser_OutputPin_Release(IPin * iface)
 645 {
 646     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 647     ULONG refCount = InterlockedDecrement(&This->pin.pin.refCount);
 648
 649     TRACE("(%p)->() Release from %d\n", iface, refCount + 1);
 650
 651     if (!refCount)
 652     {
 653         FreeMediaType(This->pmt);
 654         CoTaskMemFree(This->pmt);
 655         FreeMediaType(&This->pin.pin.mtCurrent);
 656         CoTaskMemFree(This);
 657         return 0;
 658     }
 659     return refCount;
 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->alloc = parser->pInputPin->pAlloc;
 670     LeaveCriticalSection(This->pin.pin.pCritSec);
 671
 672     return BaseOutputPinImpl_Connect(iface, pReceivePin, pmt);
 673 }
 674
 675 static HRESULT WINAPI Parser_OutputPin_QueryAccept(IPin *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     BasePinImpl_AddRef,
 689     Parser_OutputPin_Release,
 690     Parser_OutputPin_Connect,
 691     BaseOutputPinImpl_ReceiveConnection,
 692     BaseOutputPinImpl_Disconnect,
 693     BasePinImpl_ConnectedTo,
 694     BasePinImpl_ConnectionMediaType,
 695     BasePinImpl_QueryPinInfo,
 696     BasePinImpl_QueryDirection,
 697     BasePinImpl_QueryId,
 698     Parser_OutputPin_QueryAccept,
 699     BasePinImpl_EnumMediaTypes,
 700     BasePinImpl_QueryInternalConnections,
 701     BaseOutputPinImpl_EndOfStream,
 702     BaseOutputPinImpl_BeginFlush,
 703     BaseOutputPinImpl_EndFlush,
 704     BasePinImpl_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 static 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         BasePin *This = (BasePin *)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 HRESULT WINAPI Parser_PullPin_EnumMediaTypes(IPin *iface, IEnumMediaTypes **ppEnum)
 765 {
 766     BasePin *This = (BasePin *)iface;
 767
 768     TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
 769
 770     return EnumMediaTypes_Construct(This, BasePinImpl_GetMediaType, BasePinImpl_GetMediaTypeVersion, ppEnum);
 771 }
 772
 773 static const IPinVtbl Parser_InputPin_Vtbl =
 774 {
 775     PullPin_QueryInterface,
 776     BasePinImpl_AddRef,
 777     PullPin_Release,
 778     BaseInputPinImpl_Connect,
 779     Parser_PullPin_ReceiveConnection,
 780     Parser_PullPin_Disconnect,
 781     BasePinImpl_ConnectedTo,
 782     BasePinImpl_ConnectionMediaType,
 783     BasePinImpl_QueryPinInfo,
 784     BasePinImpl_QueryDirection,
 785     BasePinImpl_QueryId,
 786     PullPin_QueryAccept,
 787     Parser_PullPin_EnumMediaTypes,
 788     BasePinImpl_QueryInternalConnections,
 789     PullPin_EndOfStream,
 790     PullPin_BeginFlush,
 791     PullPin_EndFlush,
 792     PullPin_NewSegment
 793 };