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