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         This->filter.rtStreamStart = tStart;
 308         if (This->filter.state == State_Running || This->filter.state == State_Paused)
 309         {
 310             This->filter.state = State_Running;
 311             LeaveCriticalSection(&This->filter.csFilter);
 312             LeaveCriticalSection(&pin->thread_lock);
 313             return S_OK;
 314         }
 315
 316         for (i = 1; i < (This->cStreams + 1); i++)
 317         {
 318             hr = BaseOutputPinImpl_Active((BaseOutputPin *)This->ppPins[i]);
 319             if (SUCCEEDED(hr))
 320                 hr_any = hr;
 321         }
 322
 323         hr = hr_any;
 324         if (SUCCEEDED(hr))
 325         {
 326             LeaveCriticalSection(&This->filter.csFilter);
 327             hr = PullPin_StartProcessing(This->pInputPin);
 328             EnterCriticalSection(&This->filter.csFilter);
 329         }
 330
 331         if (SUCCEEDED(hr))
 332             This->filter.state = State_Running;
 333     }
 334     LeaveCriticalSection(&This->filter.csFilter);
 335     LeaveCriticalSection(&pin->thread_lock);
 336
 337     return hr;
 338 }
 339
 340 HRESULT WINAPI Parser_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
 341 {
 342     ParserImpl *This = (ParserImpl *)iface;
 343     PullPin *pin = (PullPin *)This->ppPins[0];
 344     HRESULT hr = S_OK;
 345
 346     TRACE("(%d, %p)\n", dwMilliSecsTimeout, pState);
 347
 348     EnterCriticalSection(&pin->thread_lock);
 349     EnterCriticalSection(&This->filter.csFilter);
 350     {
 351         *pState = This->filter.state;
 352     }
 353     LeaveCriticalSection(&This->filter.csFilter);
 354
 355     if (This->pInputPin && (PullPin_WaitForStateChange(This->pInputPin, dwMilliSecsTimeout) == S_FALSE))
 356         hr = VFW_S_STATE_INTERMEDIATE;
 357     LeaveCriticalSection(&pin->thread_lock);
 358
 359     return hr;
 360 }
 361
 362 HRESULT WINAPI Parser_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
 363 {
 364     ParserImpl *This = (ParserImpl *)iface;
 365     PullPin *pin = (PullPin *)This->ppPins[0];
 366
 367     TRACE("(%p)\n", pClock);
 368
 369     EnterCriticalSection(&pin->thread_lock);
 370     BaseFilterImpl_SetSyncSource(iface,pClock);
 371     LeaveCriticalSection(&pin->thread_lock);
 372
 373     return S_OK;
 374 }
 375
 376 HRESULT WINAPI Parser_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
 377 {
 378     return BaseFilterImpl_GetSyncSource(iface, ppClock);
 379 }
 380
 381 /** IBaseFilter implementation **/
 382
 383 HRESULT WINAPI Parser_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
 384 {
 385     return BaseFilterImpl_EnumPins(iface,ppEnum);
 386 }
 387
 388 HRESULT WINAPI Parser_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
 389 {
 390     FIXME("(%p)->(%s,%p)\n", iface, debugstr_w(Id), ppPin);
 391
 392     /* FIXME: critical section */
 393
 394     return E_NOTIMPL;
 395 }
 396
 397 HRESULT WINAPI Parser_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
 398 {
 399     return BaseFilterImpl_QueryFilterInfo(iface, pInfo);
 400 }
 401
 402 HRESULT WINAPI Parser_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
 403 {
 404     return BaseFilterImpl_JoinFilterGraph(iface, pGraph, pName);
 405 }
 406
 407 HRESULT WINAPI Parser_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
 408 {
 409     return BaseFilterImpl_QueryVendorInfo(iface, pVendorInfo);
 410 }
 411
 412 static const  BasePinFuncTable output_BaseFuncTable = {
 413     NULL,
 414     BaseOutputPinImpl_AttemptConnection,
 415     BasePinImpl_GetMediaTypeVersion,
 416     Parser_OutputPin_GetMediaType
 417 };
 418
 419 static const BaseOutputPinFuncTable output_BaseOutputFuncTable = {
 420     Parser_OutputPin_DecideBufferSize,
 421     Parser_OutputPin_DecideAllocator,
 422     Parser_OutputPin_BreakConnect
 423 };
 424
 425 HRESULT Parser_AddPin(ParserImpl * This, const PIN_INFO * piOutput, ALLOCATOR_PROPERTIES * props, const AM_MEDIA_TYPE * amt)
 426 {
 427     IPin ** ppOldPins;
 428     HRESULT hr;
 429
 430     ppOldPins = This->ppPins;
 431
 432     This->ppPins = CoTaskMemAlloc((This->cStreams + 2) * sizeof(IPin *));
 433     memcpy(This->ppPins, ppOldPins, (This->cStreams + 1) * sizeof(IPin *));
 434
 435     hr = BaseOutputPin_Construct(&Parser_OutputPin_Vtbl, sizeof(Parser_OutputPin), piOutput, &output_BaseFuncTable, &output_BaseOutputFuncTable, &This->filter.csFilter, This->ppPins + (This->cStreams + 1));
 436
 437     if (SUCCEEDED(hr))
 438     {
 439         IPin *pPin = This->ppPins[This->cStreams + 1];
 440         Parser_OutputPin *pin = (Parser_OutputPin *)pPin;
 441         pin->pmt = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
 442         CopyMediaType(pin->pmt, amt);
 443         pin->dwSamplesProcessed = 0;
 444
 445         pin->pin.pin.pinInfo.pFilter = (LPVOID)This;
 446         pin->allocProps = *props;
 447         This->cStreams++;
 448         BaseFilterImpl_IncrementPinVersion((BaseFilter*)This);
 449         CoTaskMemFree(ppOldPins);
 450     }
 451     else
 452     {
 453         CoTaskMemFree(This->ppPins);
 454         This->ppPins = ppOldPins;
 455         ERR("Failed with error %x\n", hr);
 456     }
 457
 458     return hr;
 459 }
 460
 461 static HRESULT Parser_RemoveOutputPins(ParserImpl * This)
 462 {
 463     /* NOTE: should be in critical section when calling this function */
 464     HRESULT hr;
 465     ULONG i;
 466     IPin ** ppOldPins = This->ppPins;
 467
 468     TRACE("(%p)\n", This);
 469
 470     /* reduce the pin array down to 1 (just our input pin) */
 471     This->ppPins = CoTaskMemAlloc(sizeof(IPin *) * 1);
 472     memcpy(This->ppPins, ppOldPins, sizeof(IPin *) * 1);
 473
 474     for (i = 0; i < This->cStreams; i++)
 475     {
 476         hr = ((BaseOutputPin *)ppOldPins[i + 1])->pFuncsTable->pfnBreakConnect((BaseOutputPin *)ppOldPins[i + 1]);
 477         TRACE("Disconnect: %08x\n", hr);
 478         IPin_Release(ppOldPins[i + 1]);
 479     }
 480
 481     BaseFilterImpl_IncrementPinVersion((BaseFilter*)This);
 482     This->cStreams = 0;
 483     CoTaskMemFree(ppOldPins);
 484
 485     return S_OK;
 486 }
 487
 488 static HRESULT WINAPI Parser_ChangeStart(IMediaSeeking *iface)
 489 {
 490     FIXME("(%p) filter hasn't implemented start position change!\n", iface);
 491     return S_OK;
 492 }
 493
 494 static HRESULT WINAPI Parser_ChangeStop(IMediaSeeking *iface)
 495 {
 496     FIXME("(%p) filter hasn't implemented stop position change!\n", iface);
 497     return S_OK;
 498 }
 499
 500 static HRESULT WINAPI Parser_ChangeRate(IMediaSeeking *iface)
 501 {
 502     FIXME("(%p) filter hasn't implemented rate change!\n", iface);
 503     return S_OK;
 504 }
 505
 506
 507 static HRESULT WINAPI Parser_Seeking_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
 508 {
 509     ParserImpl *This = impl_from_IMediaSeeking(iface);
 510
 511     return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
 512 }
 513
 514 static ULONG WINAPI Parser_Seeking_AddRef(IMediaSeeking * iface)
 515 {
 516     ParserImpl *This = impl_from_IMediaSeeking(iface);
 517
 518     return IUnknown_AddRef((IUnknown *)This);
 519 }
 520
 521 static ULONG WINAPI Parser_Seeking_Release(IMediaSeeking * iface)
 522 {
 523     ParserImpl *This = impl_from_IMediaSeeking(iface);
 524
 525     return IUnknown_Release((IUnknown *)This);
 526 }
 527
 528 static const IMediaSeekingVtbl Parser_Seeking_Vtbl =
 529 {
 530     Parser_Seeking_QueryInterface,
 531     Parser_Seeking_AddRef,
 532     Parser_Seeking_Release,
 533     SourceSeekingImpl_GetCapabilities,
 534     SourceSeekingImpl_CheckCapabilities,
 535     SourceSeekingImpl_IsFormatSupported,
 536     SourceSeekingImpl_QueryPreferredFormat,
 537     SourceSeekingImpl_GetTimeFormat,
 538     SourceSeekingImpl_IsUsingTimeFormat,
 539     SourceSeekingImpl_SetTimeFormat,
 540     SourceSeekingImpl_GetDuration,
 541     SourceSeekingImpl_GetStopPosition,
 542     SourceSeekingImpl_GetCurrentPosition,
 543     SourceSeekingImpl_ConvertTimeFormat,
 544     SourceSeekingImpl_SetPositions,
 545     SourceSeekingImpl_GetPositions,
 546     SourceSeekingImpl_GetAvailable,
 547     SourceSeekingImpl_SetRate,
 548     SourceSeekingImpl_GetRate,
 549     SourceSeekingImpl_GetPreroll
 550 };
 551
 552 static HRESULT WINAPI Parser_OutputPin_DecideBufferSize(BaseOutputPin *iface, IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
 553 {
 554     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 555     ALLOCATOR_PROPERTIES actual;
 556
 557     if (ppropInputRequest->cbAlign && ppropInputRequest->cbAlign != This->allocProps.cbAlign)
 558         FIXME("Requested Buffer cbAlign mismatch %i,%i\n",This->allocProps.cbAlign, ppropInputRequest->cbAlign);
 559     if (ppropInputRequest->cbPrefix)
 560         FIXME("Requested Buffer cbPrefix mismatch %i,%i\n",This->allocProps.cbPrefix, ppropInputRequest->cbPrefix);
 561     if (ppropInputRequest->cbBuffer)
 562         FIXME("Requested Buffer cbBuffer mismatch %i,%i\n",This->allocProps.cbBuffer, ppropInputRequest->cbBuffer);
 563     if (ppropInputRequest->cBuffers)
 564         FIXME("Requested Buffer cBuffers mismatch %i,%i\n",This->allocProps.cBuffers, ppropInputRequest->cBuffers);
 565
 566     return IMemAllocator_SetProperties(pAlloc, &This->allocProps, &actual);
 567 }
 568
 569 static HRESULT WINAPI Parser_OutputPin_GetMediaType(BasePin *iface, int iPosition, AM_MEDIA_TYPE *pmt)
 570 {
 571     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 572     if (iPosition < 0)
 573         return E_INVALIDARG;
 574     if (iPosition > 0)
 575         return VFW_S_NO_MORE_ITEMS;
 576     CopyMediaType(pmt, This->pmt);
 577     return S_OK;
 578 }
 579
 580 static HRESULT WINAPI Parser_OutputPin_DecideAllocator(BaseOutputPin *iface, IMemInputPin *pPin, IMemAllocator **pAlloc)
 581 {
 582     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 583     HRESULT hr;
 584
 585     *pAlloc = NULL;
 586
 587     if (This->alloc)
 588         hr = IMemInputPin_NotifyAllocator(pPin, This->alloc, This->readonly);
 589     else
 590         hr = VFW_E_NO_ALLOCATOR;
 591
 592     return hr;
 593 }
 594
 595 static HRESULT WINAPI Parser_OutputPin_BreakConnect(BaseOutputPin *This)
 596 {
 597     HRESULT hr;
 598
 599     TRACE("(%p)->()\n", This);
 600
 601     EnterCriticalSection(This->pin.pCritSec);
 602     if (!This->pin.pConnectedTo || !This->pMemInputPin)
 603         hr = VFW_E_NOT_CONNECTED;
 604     else
 605     {
 606         hr = IPin_Disconnect(This->pin.pConnectedTo);
 607         IPin_Disconnect((IPin *)This);
 608     }
 609     LeaveCriticalSection(This->pin.pCritSec);
 610
 611     return hr;
 612 }
 613
 614
 615 static HRESULT WINAPI Parser_OutputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
 616 {
 617     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 618
 619     TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
 620
 621     *ppv = NULL;
 622
 623     if (IsEqualIID(riid, &IID_IUnknown))
 624         *ppv = iface;
 625     else if (IsEqualIID(riid, &IID_IPin))
 626         *ppv = iface;
 627     /* The Parser filter does not support querying IMediaSeeking, return it directly */
 628     else if (IsEqualIID(riid, &IID_IMediaSeeking))
 629         *ppv = &((ParserImpl*)This->pin.pin.pinInfo.pFilter)->sourceSeeking;
 630
 631     if (*ppv)
 632     {
 633         IUnknown_AddRef((IUnknown *)(*ppv));
 634         return S_OK;
 635     }
 636
 637     FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 638
 639     return E_NOINTERFACE;
 640 }
 641
 642 static ULONG WINAPI Parser_OutputPin_Release(IPin * iface)
 643 {
 644     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 645     ULONG refCount = InterlockedDecrement(&This->pin.pin.refCount);
 646
 647     TRACE("(%p)->() Release from %d\n", iface, refCount + 1);
 648
 649     if (!refCount)
 650     {
 651         FreeMediaType(This->pmt);
 652         CoTaskMemFree(This->pmt);
 653         FreeMediaType(&This->pin.pin.mtCurrent);
 654         CoTaskMemFree(This);
 655         return 0;
 656     }
 657     return refCount;
 658 }
 659
 660 static HRESULT WINAPI Parser_OutputPin_Connect(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
 661 {
 662     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 663     ParserImpl *parser = (ParserImpl *)This->pin.pin.pinInfo.pFilter;
 664
 665     /* Set the allocator to our input pin's */
 666     EnterCriticalSection(This->pin.pin.pCritSec);
 667     This->alloc = parser->pInputPin->pAlloc;
 668     LeaveCriticalSection(This->pin.pin.pCritSec);
 669
 670     return BaseOutputPinImpl_Connect(iface, pReceivePin, pmt);
 671 }
 672
 673 static HRESULT WINAPI Parser_OutputPin_QueryAccept(IPin *iface, const AM_MEDIA_TYPE * pmt)
 674 {
 675     Parser_OutputPin *This = (Parser_OutputPin *)iface;
 676
 677     TRACE("()\n");
 678     dump_AM_MEDIA_TYPE(pmt);
 679
 680     return (memcmp(This->pmt, pmt, sizeof(AM_MEDIA_TYPE)) == 0);
 681 }
 682
 683 static const IPinVtbl Parser_OutputPin_Vtbl =
 684 {
 685     Parser_OutputPin_QueryInterface,
 686     BasePinImpl_AddRef,
 687     Parser_OutputPin_Release,
 688     Parser_OutputPin_Connect,
 689     BaseOutputPinImpl_ReceiveConnection,
 690     BaseOutputPinImpl_Disconnect,
 691     BasePinImpl_ConnectedTo,
 692     BasePinImpl_ConnectionMediaType,
 693     BasePinImpl_QueryPinInfo,
 694     BasePinImpl_QueryDirection,
 695     BasePinImpl_QueryId,
 696     Parser_OutputPin_QueryAccept,
 697     BasePinImpl_EnumMediaTypes,
 698     BasePinImpl_QueryInternalConnections,
 699     BaseOutputPinImpl_EndOfStream,
 700     BaseOutputPinImpl_BeginFlush,
 701     BaseOutputPinImpl_EndFlush,
 702     BasePinImpl_NewSegment
 703 };
 704
 705 static HRESULT WINAPI Parser_PullPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
 706 {
 707     PullPin *This = (PullPin *)iface;
 708
 709     TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
 710
 711     *ppv = NULL;
 712
 713     /*
 714      * It is important to capture the request for the IMediaSeeking interface before it is passed
 715      * on to PullPin_QueryInterface, this is necessary since the Parser filter does not support
 716      * querying IMediaSeeking
 717      */
 718     if (IsEqualIID(riid, &IID_IMediaSeeking))
 719         *ppv = &((ParserImpl*)This->pin.pinInfo.pFilter)->sourceSeeking;
 720
 721     if (*ppv)
 722     {
 723         IUnknown_AddRef((IUnknown *)(*ppv));
 724         return S_OK;
 725     }
 726
 727     return PullPin_QueryInterface(iface, riid, ppv);
 728 }
 729
 730 static HRESULT WINAPI Parser_PullPin_Disconnect(IPin * iface)
 731 {
 732     HRESULT hr;
 733     PullPin *This = (PullPin *)iface;
 734
 735     TRACE("()\n");
 736
 737     EnterCriticalSection(&This->thread_lock);
 738     EnterCriticalSection(This->pin.pCritSec);
 739     {
 740         if (This->pin.pConnectedTo)
 741         {
 742             FILTER_STATE state;
 743             ParserImpl *Parser = (ParserImpl *)This->pin.pinInfo.pFilter;
 744
 745             LeaveCriticalSection(This->pin.pCritSec);
 746             hr = IBaseFilter_GetState(This->pin.pinInfo.pFilter, INFINITE, &state);
 747             EnterCriticalSection(This->pin.pCritSec);
 748
 749             if (SUCCEEDED(hr) && (state == State_Stopped) && SUCCEEDED(Parser->fnDisconnect(Parser)))
 750             {
 751                 LeaveCriticalSection(This->pin.pCritSec);
 752                 PullPin_Disconnect(iface);
 753                 EnterCriticalSection(This->pin.pCritSec);
 754                 hr = Parser_RemoveOutputPins((ParserImpl *)This->pin.pinInfo.pFilter);
 755             }
 756             else
 757                 hr = VFW_E_NOT_STOPPED;
 758         }
 759         else
 760             hr = S_FALSE;
 761     }
 762     LeaveCriticalSection(This->pin.pCritSec);
 763     LeaveCriticalSection(&This->thread_lock);
 764
 765     return hr;
 766 }
 767
 768 static HRESULT WINAPI Parser_PullPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
 769 {
 770     HRESULT hr;
 771
 772     TRACE("()\n");
 773
 774     hr = PullPin_ReceiveConnection(iface, pReceivePin, pmt);
 775     if (FAILED(hr))
 776     {
 777         BasePin *This = (BasePin *)iface;
 778
 779         EnterCriticalSection(This->pCritSec);
 780         Parser_RemoveOutputPins((ParserImpl *)This->pinInfo.pFilter);
 781         LeaveCriticalSection(This->pCritSec);
 782     }
 783
 784     return hr;
 785 }
 786
 787 static HRESULT WINAPI Parser_PullPin_EnumMediaTypes(IPin *iface, IEnumMediaTypes **ppEnum)
 788 {
 789     BasePin *This = (BasePin *)iface;
 790
 791     TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
 792
 793     return EnumMediaTypes_Construct(This, BasePinImpl_GetMediaType, BasePinImpl_GetMediaTypeVersion, ppEnum);
 794 }
 795
 796 static const IPinVtbl Parser_InputPin_Vtbl =
 797 {
 798     Parser_PullPin_QueryInterface,
 799     BasePinImpl_AddRef,
 800     PullPin_Release,
 801     BaseInputPinImpl_Connect,
 802     Parser_PullPin_ReceiveConnection,
 803     Parser_PullPin_Disconnect,
 804     BasePinImpl_ConnectedTo,
 805     BasePinImpl_ConnectionMediaType,
 806     BasePinImpl_QueryPinInfo,
 807     BasePinImpl_QueryDirection,
 808     BasePinImpl_QueryId,
 809     PullPin_QueryAccept,
 810     Parser_PullPin_EnumMediaTypes,
 811     BasePinImpl_QueryInternalConnections,
 812     PullPin_EndOfStream,
 813     PullPin_BeginFlush,
 814     PullPin_EndFlush,
 815     PullPin_NewSegment
 816 };