git.oblomov.eu Git - wine/blob - dlls/quartz/pin.c

   1 /*
   2  * Generic Implementation of IPin Interface
   3  *
   4  * Copyright 2003 Robert Shearman
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "quartz_private.h"
  22 #include "pin.h"
  23
  24 #include "wine/debug.h"
  25 #include "wine/unicode.h"
  26 #include "uuids.h"
  27 #include "vfwmsgs.h"
  28 #include <assert.h>
  29
  30 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  31
  32 static const IPinVtbl InputPin_Vtbl;
  33 static const IPinVtbl OutputPin_Vtbl;
  34 static const IMemInputPinVtbl MemInputPin_Vtbl;
  35 static const IPinVtbl PullPin_Vtbl;
  36
  37 #define ALIGNDOWN(value,boundary) ((value) & ~(boundary-1))
  38 #define ALIGNUP(value,boundary) (ALIGNDOWN(value - 1, boundary) + boundary)
  39
  40 static inline InputPin *impl_from_IMemInputPin( IMemInputPin *iface )
  41 {
  42     return (InputPin *)((char*)iface - FIELD_OFFSET(InputPin, lpVtblMemInput));
  43 }
  44
  45
  46 static void Copy_PinInfo(PIN_INFO * pDest, const PIN_INFO * pSrc)
  47 {
  48     /* Tempting to just do a memcpy, but the name field is
  49        128 characters long! We will probably never exceed 10
  50        most of the time, so we are better off copying
  51        each field manually */
  52     strcpyW(pDest->achName, pSrc->achName);
  53     pDest->dir = pSrc->dir;
  54     pDest->pFilter = pSrc->pFilter;
  55 }
  56
  57 /* Function called as a helper to IPin_Connect */
  58 /* specific AM_MEDIA_TYPE - it cannot be NULL */
  59 /* NOTE: not part of standard interface */
  60 static HRESULT OutputPin_ConnectSpecific(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
  61 {
  62     OutputPin *This = (OutputPin *)iface;
  63     HRESULT hr;
  64     IMemAllocator * pMemAlloc = NULL;
  65     ALLOCATOR_PROPERTIES actual; /* FIXME: should we put the actual props back in to This? */
  66
  67     TRACE("(%p, %p)\n", pReceivePin, pmt);
  68     dump_AM_MEDIA_TYPE(pmt);
  69
  70     /* FIXME: call queryacceptproc */
  71
  72     This->pin.pConnectedTo = pReceivePin;
  73     IPin_AddRef(pReceivePin);
  74     CopyMediaType(&This->pin.mtCurrent, pmt);
  75
  76     hr = IPin_ReceiveConnection(pReceivePin, iface, pmt);
  77
  78     /* get the IMemInputPin interface we will use to deliver samples to the
  79      * connected pin */
  80     if (SUCCEEDED(hr))
  81     {
  82         This->pMemInputPin = NULL;
  83         hr = IPin_QueryInterface(pReceivePin, &IID_IMemInputPin, (LPVOID)&This->pMemInputPin);
  84
  85         if (SUCCEEDED(hr))
  86         {
  87             hr = IMemInputPin_GetAllocator(This->pMemInputPin, &pMemAlloc);
  88
  89             if (hr == VFW_E_NO_ALLOCATOR)
  90             {
  91                 /* Input pin provides no allocator, use standard memory allocator */
  92                 hr = CoCreateInstance(&CLSID_MemoryAllocator, NULL, CLSCTX_INPROC_SERVER, &IID_IMemAllocator, (LPVOID*)&pMemAlloc);
  93
  94                 if (SUCCEEDED(hr))
  95                 {
  96                     hr = IMemInputPin_NotifyAllocator(This->pMemInputPin, pMemAlloc, FALSE);
  97                 }
  98             }
  99
 100             if (SUCCEEDED(hr))
 101                 hr = IMemAllocator_SetProperties(pMemAlloc, &This->allocProps, &actual);
 102
 103             if (pMemAlloc)
 104                 IMemAllocator_Release(pMemAlloc);
 105         }
 106
 107         /* break connection if we couldn't get the allocator */
 108         if (FAILED(hr))
 109         {
 110             if (This->pMemInputPin)
 111                 IMemInputPin_Release(This->pMemInputPin);
 112             This->pMemInputPin = NULL;
 113
 114             IPin_Disconnect(pReceivePin);
 115         }
 116     }
 117
 118     if (FAILED(hr))
 119     {
 120         IPin_Release(This->pin.pConnectedTo);
 121         This->pin.pConnectedTo = NULL;
 122         FreeMediaType(&This->pin.mtCurrent);
 123     }
 124
 125     TRACE(" -- %x\n", hr);
 126     return hr;
 127 }
 128
 129 HRESULT InputPin_Construct(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
 130 {
 131     InputPin * pPinImpl;
 132
 133     *ppPin = NULL;
 134
 135     if (pPinInfo->dir != PINDIR_INPUT)
 136     {
 137         ERR("Pin direction(%x) != PINDIR_INPUT\n", pPinInfo->dir);
 138         return E_INVALIDARG;
 139     }
 140
 141     pPinImpl = CoTaskMemAlloc(sizeof(*pPinImpl));
 142
 143     if (!pPinImpl)
 144         return E_OUTOFMEMORY;
 145
 146     if (SUCCEEDED(InputPin_Init(pPinInfo, pSampleProc, pUserData, pQueryAccept, pCritSec, pPinImpl)))
 147     {
 148         pPinImpl->pin.lpVtbl = &InputPin_Vtbl;
 149         pPinImpl->lpVtblMemInput = &MemInputPin_Vtbl;
 150
 151         *ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
 152         return S_OK;
 153     }
 154     return E_FAIL;
 155 }
 156
 157 /* Note that we don't init the vtables here (like C++ constructor) */
 158 HRESULT InputPin_Init(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, InputPin * pPinImpl)
 159 {
 160     TRACE("\n");
 161
 162     /* Common attributes */
 163     pPinImpl->pin.refCount = 1;
 164     pPinImpl->pin.pConnectedTo = NULL;
 165     pPinImpl->pin.fnQueryAccept = pQueryAccept;
 166     pPinImpl->pin.pUserData = pUserData;
 167     pPinImpl->pin.pCritSec = pCritSec;
 168     Copy_PinInfo(&pPinImpl->pin.pinInfo, pPinInfo);
 169     ZeroMemory(&pPinImpl->pin.mtCurrent, sizeof(AM_MEDIA_TYPE));
 170
 171     /* Input pin attributes */
 172     pPinImpl->fnSampleProc = pSampleProc;
 173     pPinImpl->pAllocator = NULL;
 174     pPinImpl->tStart = 0;
 175     pPinImpl->tStop = 0;
 176     pPinImpl->dRate = 0;
 177
 178     return S_OK;
 179 }
 180
 181 HRESULT OutputPin_Init(const PIN_INFO * pPinInfo, ALLOCATOR_PROPERTIES * props, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, OutputPin * pPinImpl)
 182 {
 183     TRACE("\n");
 184
 185     /* Common attributes */
 186     pPinImpl->pin.lpVtbl = &OutputPin_Vtbl;
 187     pPinImpl->pin.refCount = 1;
 188     pPinImpl->pin.pConnectedTo = NULL;
 189     pPinImpl->pin.fnQueryAccept = pQueryAccept;
 190     pPinImpl->pin.pUserData = pUserData;
 191     pPinImpl->pin.pCritSec = pCritSec;
 192     Copy_PinInfo(&pPinImpl->pin.pinInfo, pPinInfo);
 193     ZeroMemory(&pPinImpl->pin.mtCurrent, sizeof(AM_MEDIA_TYPE));
 194
 195     /* Output pin attributes */
 196     pPinImpl->pMemInputPin = NULL;
 197     pPinImpl->pConnectSpecific = OutputPin_ConnectSpecific;
 198     if (props)
 199     {
 200         memcpy(&pPinImpl->allocProps, props, sizeof(pPinImpl->allocProps));
 201         if (pPinImpl->allocProps.cbAlign == 0)
 202             pPinImpl->allocProps.cbAlign = 1;
 203     }
 204     else
 205         ZeroMemory(&pPinImpl->allocProps, sizeof(pPinImpl->allocProps));
 206
 207     return S_OK;
 208 }
 209
 210 HRESULT OutputPin_Construct(const PIN_INFO * pPinInfo, ALLOCATOR_PROPERTIES *props, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
 211 {
 212     OutputPin * pPinImpl;
 213
 214     *ppPin = NULL;
 215
 216     if (pPinInfo->dir != PINDIR_OUTPUT)
 217     {
 218         ERR("Pin direction(%x) != PINDIR_OUTPUT\n", pPinInfo->dir);
 219         return E_INVALIDARG;
 220     }
 221
 222     pPinImpl = CoTaskMemAlloc(sizeof(*pPinImpl));
 223
 224     if (!pPinImpl)
 225         return E_OUTOFMEMORY;
 226
 227     if (SUCCEEDED(OutputPin_Init(pPinInfo, props, pUserData, pQueryAccept, pCritSec, pPinImpl)))
 228     {
 229         pPinImpl->pin.lpVtbl = &OutputPin_Vtbl;
 230
 231         *ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
 232         return S_OK;
 233     }
 234     return E_FAIL;
 235 }
 236
 237 /*** Common pin functions ***/
 238
 239 ULONG WINAPI IPinImpl_AddRef(IPin * iface)
 240 {
 241     IPinImpl *This = (IPinImpl *)iface;
 242     ULONG refCount = InterlockedIncrement(&This->refCount);
 243
 244     TRACE("(%p)->() AddRef from %d\n", iface, refCount - 1);
 245
 246     return refCount;
 247 }
 248
 249 HRESULT WINAPI IPinImpl_Disconnect(IPin * iface)
 250 {
 251     HRESULT hr;
 252     IPinImpl *This = (IPinImpl *)iface;
 253
 254     TRACE("()\n");
 255
 256     EnterCriticalSection(This->pCritSec);
 257     {
 258         if (This->pConnectedTo)
 259         {
 260             IPin_Release(This->pConnectedTo);
 261             This->pConnectedTo = NULL;
 262             hr = S_OK;
 263         }
 264         else
 265             hr = S_FALSE;
 266     }
 267     LeaveCriticalSection(This->pCritSec);
 268
 269     return hr;
 270 }
 271
 272 HRESULT WINAPI IPinImpl_ConnectedTo(IPin * iface, IPin ** ppPin)
 273 {
 274     HRESULT hr;
 275     IPinImpl *This = (IPinImpl *)iface;
 276
 277 /*  TRACE("(%p)\n", ppPin);*/
 278
 279     EnterCriticalSection(This->pCritSec);
 280     {
 281         if (This->pConnectedTo)
 282         {
 283             *ppPin = This->pConnectedTo;
 284             IPin_AddRef(*ppPin);
 285             hr = S_OK;
 286         }
 287         else
 288             hr = VFW_E_NOT_CONNECTED;
 289     }
 290     LeaveCriticalSection(This->pCritSec);
 291
 292     return hr;
 293 }
 294
 295 HRESULT WINAPI IPinImpl_ConnectionMediaType(IPin * iface, AM_MEDIA_TYPE * pmt)
 296 {
 297     HRESULT hr;
 298     IPinImpl *This = (IPinImpl *)iface;
 299
 300     TRACE("(%p/%p)->(%p)\n", This, iface, pmt);
 301
 302     EnterCriticalSection(This->pCritSec);
 303     {
 304         if (This->pConnectedTo)
 305         {
 306             CopyMediaType(pmt, &This->mtCurrent);
 307             hr = S_OK;
 308         }
 309         else
 310         {
 311             ZeroMemory(pmt, sizeof(*pmt));
 312             hr = VFW_E_NOT_CONNECTED;
 313         }
 314     }
 315     LeaveCriticalSection(This->pCritSec);
 316
 317     return hr;
 318 }
 319
 320 HRESULT WINAPI IPinImpl_QueryPinInfo(IPin * iface, PIN_INFO * pInfo)
 321 {
 322     IPinImpl *This = (IPinImpl *)iface;
 323
 324     TRACE("(%p/%p)->(%p)\n", This, iface, pInfo);
 325
 326     Copy_PinInfo(pInfo, &This->pinInfo);
 327     IBaseFilter_AddRef(pInfo->pFilter);
 328
 329     return S_OK;
 330 }
 331
 332 HRESULT WINAPI IPinImpl_QueryDirection(IPin * iface, PIN_DIRECTION * pPinDir)
 333 {
 334     IPinImpl *This = (IPinImpl *)iface;
 335
 336     TRACE("(%p/%p)->(%p)\n", This, iface, pPinDir);
 337
 338     *pPinDir = This->pinInfo.dir;
 339
 340     return S_OK;
 341 }
 342
 343 HRESULT WINAPI IPinImpl_QueryId(IPin * iface, LPWSTR * Id)
 344 {
 345     IPinImpl *This = (IPinImpl *)iface;
 346
 347     TRACE("(%p/%p)->(%p)\n", This, iface, Id);
 348
 349     *Id = CoTaskMemAlloc((strlenW(This->pinInfo.achName) + 1) * sizeof(WCHAR));
 350     if (!*Id)
 351         return E_OUTOFMEMORY;
 352
 353     strcpyW(*Id, This->pinInfo.achName);
 354
 355     return S_OK;
 356 }
 357
 358 HRESULT WINAPI IPinImpl_QueryAccept(IPin * iface, const AM_MEDIA_TYPE * pmt)
 359 {
 360     IPinImpl *This = (IPinImpl *)iface;
 361
 362     TRACE("(%p/%p)->(%p)\n", This, iface, pmt);
 363
 364     return (This->fnQueryAccept(This->pUserData, pmt) == S_OK ? S_OK : S_FALSE);
 365 }
 366
 367 HRESULT WINAPI IPinImpl_EnumMediaTypes(IPin * iface, IEnumMediaTypes ** ppEnum)
 368 {
 369     IPinImpl *This = (IPinImpl *)iface;
 370     ENUMMEDIADETAILS emd;
 371
 372     TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
 373
 374     /* override this method to allow enumeration of your types */
 375     emd.cMediaTypes = 0;
 376     emd.pMediaTypes = NULL;
 377
 378     return IEnumMediaTypesImpl_Construct(&emd, ppEnum);
 379 }
 380
 381 HRESULT WINAPI IPinImpl_QueryInternalConnections(IPin * iface, IPin ** apPin, ULONG * cPin)
 382 {
 383     IPinImpl *This = (IPinImpl *)iface;
 384
 385     TRACE("(%p/%p)->(%p, %p)\n", This, iface, apPin, cPin);
 386
 387     return E_NOTIMPL; /* to tell caller that all input pins connected to all output pins */
 388 }
 389
 390 /*** IPin implementation for an input pin ***/
 391
 392 HRESULT WINAPI InputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
 393 {
 394     InputPin *This = (InputPin *)iface;
 395
 396     TRACE("(%p)->(%s, %p)\n", iface, qzdebugstr_guid(riid), ppv);
 397
 398     *ppv = NULL;
 399
 400     if (IsEqualIID(riid, &IID_IUnknown))
 401         *ppv = (LPVOID)iface;
 402     else if (IsEqualIID(riid, &IID_IPin))
 403         *ppv = (LPVOID)iface;
 404     else if (IsEqualIID(riid, &IID_IMemInputPin))
 405         *ppv = (LPVOID)&This->lpVtblMemInput;
 406
 407     if (*ppv)
 408     {
 409         IUnknown_AddRef((IUnknown *)(*ppv));
 410         return S_OK;
 411     }
 412
 413     FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 414
 415     return E_NOINTERFACE;
 416 }
 417
 418 ULONG WINAPI InputPin_Release(IPin * iface)
 419 {
 420     InputPin *This = (InputPin *)iface;
 421     ULONG refCount = InterlockedDecrement(&This->pin.refCount);
 422
 423     TRACE("(%p)->() Release from %d\n", iface, refCount + 1);
 424
 425     if (!refCount)
 426     {
 427         FreeMediaType(&This->pin.mtCurrent);
 428         if (This->pAllocator)
 429             IMemAllocator_Release(This->pAllocator);
 430         CoTaskMemFree(This);
 431         return 0;
 432     }
 433     else
 434         return refCount;
 435 }
 436
 437 HRESULT WINAPI InputPin_Connect(IPin * iface, IPin * pConnector, const AM_MEDIA_TYPE * pmt)
 438 {
 439     ERR("Outgoing connection on an input pin! (%p, %p)\n", pConnector, pmt);
 440
 441     return E_UNEXPECTED;
 442 }
 443
 444
 445 HRESULT WINAPI InputPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
 446 {
 447     InputPin *This = (InputPin *)iface;
 448     PIN_DIRECTION pindirReceive;
 449     HRESULT hr = S_OK;
 450
 451     TRACE("(%p, %p)\n", pReceivePin, pmt);
 452     dump_AM_MEDIA_TYPE(pmt);
 453
 454     EnterCriticalSection(This->pin.pCritSec);
 455     {
 456         if (This->pin.pConnectedTo)
 457             hr = VFW_E_ALREADY_CONNECTED;
 458
 459         if (SUCCEEDED(hr) && This->pin.fnQueryAccept(This->pin.pUserData, pmt) != S_OK)
 460             hr = VFW_E_TYPE_NOT_ACCEPTED; /* FIXME: shouldn't we just map common errors onto
 461                                            * VFW_E_TYPE_NOT_ACCEPTED and pass the value on otherwise? */
 462
 463         if (SUCCEEDED(hr))
 464         {
 465             IPin_QueryDirection(pReceivePin, &pindirReceive);
 466
 467             if (pindirReceive != PINDIR_OUTPUT)
 468             {
 469                 ERR("Can't connect from non-output pin\n");
 470                 hr = VFW_E_INVALID_DIRECTION;
 471             }
 472         }
 473
 474         if (SUCCEEDED(hr))
 475         {
 476             CopyMediaType(&This->pin.mtCurrent, pmt);
 477             This->pin.pConnectedTo = pReceivePin;
 478             IPin_AddRef(pReceivePin);
 479         }
 480     }
 481     LeaveCriticalSection(This->pin.pCritSec);
 482
 483     return hr;
 484 }
 485
 486 HRESULT WINAPI InputPin_EndOfStream(IPin * iface)
 487 {
 488     TRACE("()\n");
 489
 490     return S_OK;
 491 }
 492
 493 HRESULT WINAPI InputPin_BeginFlush(IPin * iface)
 494 {
 495     FIXME("()\n");
 496     return E_NOTIMPL;
 497 }
 498
 499 HRESULT WINAPI InputPin_EndFlush(IPin * iface)
 500 {
 501     FIXME("()\n");
 502     return E_NOTIMPL;
 503 }
 504
 505 HRESULT WINAPI InputPin_NewSegment(IPin * iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
 506 {
 507     InputPin *This = (InputPin *)iface;
 508
 509     TRACE("(%x%08x, %x%08x, %e)\n", (ULONG)(tStart >> 32), (ULONG)tStart, (ULONG)(tStop >> 32), (ULONG)tStop, dRate);
 510
 511     This->tStart = tStart;
 512     This->tStop = tStop;
 513     This->dRate = dRate;
 514
 515     return S_OK;
 516 }
 517
 518 static const IPinVtbl InputPin_Vtbl =
 519 {
 520     InputPin_QueryInterface,
 521     IPinImpl_AddRef,
 522     InputPin_Release,
 523     InputPin_Connect,
 524     InputPin_ReceiveConnection,
 525     IPinImpl_Disconnect,
 526     IPinImpl_ConnectedTo,
 527     IPinImpl_ConnectionMediaType,
 528     IPinImpl_QueryPinInfo,
 529     IPinImpl_QueryDirection,
 530     IPinImpl_QueryId,
 531     IPinImpl_QueryAccept,
 532     IPinImpl_EnumMediaTypes,
 533     IPinImpl_QueryInternalConnections,
 534     InputPin_EndOfStream,
 535     InputPin_BeginFlush,
 536     InputPin_EndFlush,
 537     InputPin_NewSegment
 538 };
 539
 540 /*** IMemInputPin implementation ***/
 541
 542 HRESULT WINAPI MemInputPin_QueryInterface(IMemInputPin * iface, REFIID riid, LPVOID * ppv)
 543 {
 544     InputPin *This = impl_from_IMemInputPin(iface);
 545
 546     return IPin_QueryInterface((IPin *)&This->pin, riid, ppv);
 547 }
 548
 549 ULONG WINAPI MemInputPin_AddRef(IMemInputPin * iface)
 550 {
 551     InputPin *This = impl_from_IMemInputPin(iface);
 552
 553     return IPin_AddRef((IPin *)&This->pin);
 554 }
 555
 556 ULONG WINAPI MemInputPin_Release(IMemInputPin * iface)
 557 {
 558     InputPin *This = impl_from_IMemInputPin(iface);
 559
 560     return IPin_Release((IPin *)&This->pin);
 561 }
 562
 563 HRESULT WINAPI MemInputPin_GetAllocator(IMemInputPin * iface, IMemAllocator ** ppAllocator)
 564 {
 565     InputPin *This = impl_from_IMemInputPin(iface);
 566
 567     TRACE("(%p/%p)->(%p)\n", This, iface, ppAllocator);
 568
 569     *ppAllocator = This->pAllocator;
 570     if (*ppAllocator)
 571         IMemAllocator_AddRef(*ppAllocator);
 572
 573     return *ppAllocator ? S_OK : VFW_E_NO_ALLOCATOR;
 574 }
 575
 576 HRESULT WINAPI MemInputPin_NotifyAllocator(IMemInputPin * iface, IMemAllocator * pAllocator, BOOL bReadOnly)
 577 {
 578     InputPin *This = impl_from_IMemInputPin(iface);
 579
 580     TRACE("(%p/%p)->(%p, %d)\n", This, iface, pAllocator, bReadOnly);
 581
 582     if (This->pAllocator)
 583         IMemAllocator_Release(This->pAllocator);
 584     This->pAllocator = pAllocator;
 585     if (This->pAllocator)
 586         IMemAllocator_AddRef(This->pAllocator);
 587
 588     return S_OK;
 589 }
 590
 591 HRESULT WINAPI MemInputPin_GetAllocatorRequirements(IMemInputPin * iface, ALLOCATOR_PROPERTIES * pProps)
 592 {
 593     InputPin *This = impl_from_IMemInputPin(iface);
 594
 595     TRACE("(%p/%p)->(%p)\n", This, iface, pProps);
 596
 597     /* override this method if you have any specific requirements */
 598
 599     return E_NOTIMPL;
 600 }
 601
 602 HRESULT WINAPI MemInputPin_Receive(IMemInputPin * iface, IMediaSample * pSample)
 603 {
 604     InputPin *This = impl_from_IMemInputPin(iface);
 605
 606     /* this trace commented out for performance reasons */
 607     /*TRACE("(%p/%p)->(%p)\n", This, iface, pSample);*/
 608
 609     return This->fnSampleProc(This->pin.pUserData, pSample);
 610 }
 611
 612 HRESULT WINAPI MemInputPin_ReceiveMultiple(IMemInputPin * iface, IMediaSample ** pSamples, long nSamples, long *nSamplesProcessed)
 613 {
 614     HRESULT hr = S_OK;
 615     InputPin *This = impl_from_IMemInputPin(iface);
 616
 617     TRACE("(%p/%p)->(%p, %ld, %p)\n", This, iface, pSamples, nSamples, nSamplesProcessed);
 618
 619     for (*nSamplesProcessed = 0; *nSamplesProcessed < nSamples; (*nSamplesProcessed)++)
 620     {
 621         hr = IMemInputPin_Receive(iface, pSamples[*nSamplesProcessed]);
 622         if (hr != S_OK)
 623             break;
 624     }
 625
 626     return hr;
 627 }
 628
 629 HRESULT WINAPI MemInputPin_ReceiveCanBlock(IMemInputPin * iface)
 630 {
 631     InputPin *This = impl_from_IMemInputPin(iface);
 632
 633     FIXME("(%p/%p)->()\n", This, iface);
 634
 635     /* FIXME: we should check whether any output pins will block */
 636
 637     return S_OK;
 638 }
 639
 640 static const IMemInputPinVtbl MemInputPin_Vtbl =
 641 {
 642     MemInputPin_QueryInterface,
 643     MemInputPin_AddRef,
 644     MemInputPin_Release,
 645     MemInputPin_GetAllocator,
 646     MemInputPin_NotifyAllocator,
 647     MemInputPin_GetAllocatorRequirements,
 648     MemInputPin_Receive,
 649     MemInputPin_ReceiveMultiple,
 650     MemInputPin_ReceiveCanBlock
 651 };
 652
 653 HRESULT WINAPI OutputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
 654 {
 655     OutputPin *This = (OutputPin *)iface;
 656
 657     TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
 658
 659     *ppv = NULL;
 660
 661     if (IsEqualIID(riid, &IID_IUnknown))
 662         *ppv = (LPVOID)iface;
 663     else if (IsEqualIID(riid, &IID_IPin))
 664         *ppv = (LPVOID)iface;
 665
 666     if (*ppv)
 667     {
 668         IUnknown_AddRef((IUnknown *)(*ppv));
 669         return S_OK;
 670     }
 671
 672     FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 673
 674     return E_NOINTERFACE;
 675 }
 676
 677 ULONG WINAPI OutputPin_Release(IPin * iface)
 678 {
 679     OutputPin *This = (OutputPin *)iface;
 680     ULONG refCount = InterlockedDecrement(&This->pin.refCount);
 681
 682     TRACE("(%p)->() Release from %d\n", iface, refCount + 1);
 683
 684     if (!refCount)
 685     {
 686         FreeMediaType(&This->pin.mtCurrent);
 687         CoTaskMemFree(This);
 688         return 0;
 689     }
 690     return refCount;
 691 }
 692
 693 HRESULT WINAPI OutputPin_Connect(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
 694 {
 695     HRESULT hr;
 696     OutputPin *This = (OutputPin *)iface;
 697
 698     TRACE("(%p/%p)->(%p, %p)\n", This, iface, pReceivePin, pmt);
 699     dump_AM_MEDIA_TYPE(pmt);
 700
 701     /* If we try to connect to ourself, we will definitely deadlock.
 702      * There are other cases where we could deadlock too, but this
 703      * catches the obvious case */
 704     assert(pReceivePin != iface);
 705
 706     EnterCriticalSection(This->pin.pCritSec);
 707     {
 708         /* if we have been a specific type to connect with, then we can either connect
 709          * with that or fail. We cannot choose different AM_MEDIA_TYPE */
 710         if (pmt && !IsEqualGUID(&pmt->majortype, &GUID_NULL) && !IsEqualGUID(&pmt->subtype, &GUID_NULL))
 711             hr = This->pConnectSpecific(iface, pReceivePin, pmt);
 712         else
 713         {
 714             /* negotiate media type */
 715
 716             IEnumMediaTypes * pEnumCandidates;
 717             AM_MEDIA_TYPE * pmtCandidate; /* Candidate media type */
 718
 719             if (SUCCEEDED(hr = IPin_EnumMediaTypes(iface, &pEnumCandidates)))
 720             {
 721                 hr = VFW_E_NO_ACCEPTABLE_TYPES; /* Assume the worst, but set to S_OK if connected successfully */
 722
 723                 /* try this filter's media types first */
 724                 while (S_OK == IEnumMediaTypes_Next(pEnumCandidates, 1, &pmtCandidate, NULL))
 725                 {
 726                     if (( !pmt || CompareMediaTypes(pmt, pmtCandidate, TRUE) ) &&
 727                         (This->pConnectSpecific(iface, pReceivePin, pmtCandidate) == S_OK))
 728                     {
 729                         hr = S_OK;
 730                         CoTaskMemFree(pmtCandidate);
 731                         break;
 732                     }
 733                     CoTaskMemFree(pmtCandidate);
 734                 }
 735                 IEnumMediaTypes_Release(pEnumCandidates);
 736             }
 737
 738             /* then try receiver filter's media types */
 739             if (hr != S_OK && SUCCEEDED(hr = IPin_EnumMediaTypes(pReceivePin, &pEnumCandidates))) /* if we haven't already connected successfully */
 740             {
 741                 hr = VFW_E_NO_ACCEPTABLE_TYPES; /* Assume the worst, but set to S_OK if connected successfully */
 742
 743                 while (S_OK == IEnumMediaTypes_Next(pEnumCandidates, 1, &pmtCandidate, NULL))
 744                 {
 745                     if (( !pmt || CompareMediaTypes(pmt, pmtCandidate, TRUE) ) &&
 746                         (This->pConnectSpecific(iface, pReceivePin, pmtCandidate) == S_OK))
 747                     {
 748                         hr = S_OK;
 749                         CoTaskMemFree(pmtCandidate);
 750                         break;
 751                     }
 752                     CoTaskMemFree(pmtCandidate);
 753                 } /* while */
 754                 IEnumMediaTypes_Release(pEnumCandidates);
 755             } /* if not found */
 756         } /* if negotiate media type */
 757     } /* if succeeded */
 758     LeaveCriticalSection(This->pin.pCritSec);
 759
 760     TRACE(" -- %x\n", hr);
 761     return hr;
 762 }
 763
 764 HRESULT WINAPI OutputPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
 765 {
 766     ERR("Incoming connection on an output pin! (%p, %p)\n", pReceivePin, pmt);
 767
 768     return E_UNEXPECTED;
 769 }
 770
 771 HRESULT WINAPI OutputPin_Disconnect(IPin * iface)
 772 {
 773     HRESULT hr;
 774     OutputPin *This = (OutputPin *)iface;
 775
 776     TRACE("()\n");
 777
 778     EnterCriticalSection(This->pin.pCritSec);
 779     {
 780         if (This->pMemInputPin)
 781         {
 782             IMemInputPin_Release(This->pMemInputPin);
 783             This->pMemInputPin = NULL;
 784         }
 785         if (This->pin.pConnectedTo)
 786         {
 787             IPin_Release(This->pin.pConnectedTo);
 788             This->pin.pConnectedTo = NULL;
 789             hr = S_OK;
 790         }
 791         else
 792             hr = S_FALSE;
 793     }
 794     LeaveCriticalSection(This->pin.pCritSec);
 795
 796     return hr;
 797 }
 798
 799 HRESULT WINAPI OutputPin_EndOfStream(IPin * iface)
 800 {
 801     TRACE("()\n");
 802
 803     /* not supposed to do anything in an output pin */
 804
 805     return E_UNEXPECTED;
 806 }
 807
 808 HRESULT WINAPI OutputPin_BeginFlush(IPin * iface)
 809 {
 810     TRACE("(%p)->()\n", iface);
 811
 812     /* not supposed to do anything in an output pin */
 813
 814     return E_UNEXPECTED;
 815 }
 816
 817 HRESULT WINAPI OutputPin_EndFlush(IPin * iface)
 818 {
 819     TRACE("(%p)->()\n", iface);
 820
 821     /* not supposed to do anything in an output pin */
 822
 823     return E_UNEXPECTED;
 824 }
 825
 826 HRESULT WINAPI OutputPin_NewSegment(IPin * iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
 827 {
 828     TRACE("(%p)->(%x%08x, %x%08x, %e)\n", iface, (ULONG)(tStart >> 32), (ULONG)tStart, (ULONG)(tStop >> 32), (ULONG)tStop, dRate);
 829
 830     /* not supposed to do anything in an output pin */
 831
 832     return E_UNEXPECTED;
 833 }
 834
 835 static const IPinVtbl OutputPin_Vtbl =
 836 {
 837     OutputPin_QueryInterface,
 838     IPinImpl_AddRef,
 839     OutputPin_Release,
 840     OutputPin_Connect,
 841     OutputPin_ReceiveConnection,
 842     OutputPin_Disconnect,
 843     IPinImpl_ConnectedTo,
 844     IPinImpl_ConnectionMediaType,
 845     IPinImpl_QueryPinInfo,
 846     IPinImpl_QueryDirection,
 847     IPinImpl_QueryId,
 848     IPinImpl_QueryAccept,
 849     IPinImpl_EnumMediaTypes,
 850     IPinImpl_QueryInternalConnections,
 851     OutputPin_EndOfStream,
 852     OutputPin_BeginFlush,
 853     OutputPin_EndFlush,
 854     OutputPin_NewSegment
 855 };
 856
 857 HRESULT OutputPin_GetDeliveryBuffer(OutputPin * This, IMediaSample ** ppSample, REFERENCE_TIME * tStart, REFERENCE_TIME * tStop, DWORD dwFlags)
 858 {
 859     HRESULT hr;
 860
 861     TRACE("(%p, %p, %p, %x)\n", ppSample, tStart, tStop, dwFlags);
 862
 863     EnterCriticalSection(This->pin.pCritSec);
 864     {
 865         if (!This->pin.pConnectedTo)
 866             hr = VFW_E_NOT_CONNECTED;
 867         else
 868         {
 869             IMemAllocator * pAlloc = NULL;
 870
 871             hr = IMemInputPin_GetAllocator(This->pMemInputPin, &pAlloc);
 872
 873             if (SUCCEEDED(hr))
 874                 hr = IMemAllocator_GetBuffer(pAlloc, ppSample, tStart, tStop, dwFlags);
 875
 876             if (SUCCEEDED(hr))
 877                 hr = IMediaSample_SetTime(*ppSample, tStart, tStop);
 878
 879             if (pAlloc)
 880                 IMemAllocator_Release(pAlloc);
 881         }
 882     }
 883     LeaveCriticalSection(This->pin.pCritSec);
 884
 885     return hr;
 886 }
 887
 888 HRESULT OutputPin_SendSample(OutputPin * This, IMediaSample * pSample)
 889 {
 890     HRESULT hr = S_OK;
 891     IMemInputPin * pMemConnected = NULL;
 892     PIN_INFO pinInfo;
 893
 894     EnterCriticalSection(This->pin.pCritSec);
 895     {
 896         if (!This->pin.pConnectedTo || !This->pMemInputPin)
 897             hr = VFW_E_NOT_CONNECTED;
 898         else
 899         {
 900             /* we don't have the lock held when using This->pMemInputPin,
 901              * so we need to AddRef it to stop it being deleted while we are
 902              * using it. Same with its filter. */
 903             pMemConnected = This->pMemInputPin;
 904             IMemInputPin_AddRef(pMemConnected);
 905             hr = IPin_QueryPinInfo(This->pin.pConnectedTo, &pinInfo);
 906         }
 907     }
 908     LeaveCriticalSection(This->pin.pCritSec);
 909
 910     if (SUCCEEDED(hr))
 911     {
 912         /* NOTE: if we are in a critical section when Receive is called
 913          * then it causes some problems (most notably with the native Video
 914          * Renderer) if we are re-entered for whatever reason */
 915         hr = IMemInputPin_Receive(pMemConnected, pSample);
 916         IBaseFilter_Release(pinInfo.pFilter);
 917     }
 918     if (pMemConnected)
 919         IMemInputPin_Release(pMemConnected);
 920
 921     return hr;
 922 }
 923
 924 HRESULT OutputPin_DeliverNewSegment(OutputPin * This, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
 925 {
 926     HRESULT hr;
 927
 928     EnterCriticalSection(This->pin.pCritSec);
 929     {
 930         if (!This->pin.pConnectedTo)
 931             hr = VFW_E_NOT_CONNECTED;
 932         else
 933             hr = IPin_NewSegment(This->pin.pConnectedTo, tStart, tStop, dRate);
 934     }
 935     LeaveCriticalSection(This->pin.pCritSec);
 936
 937     return hr;
 938 }
 939
 940 HRESULT OutputPin_CommitAllocator(OutputPin * This)
 941 {
 942     HRESULT hr;
 943
 944     TRACE("(%p)->()\n", This);
 945
 946     EnterCriticalSection(This->pin.pCritSec);
 947     {
 948         if (!This->pin.pConnectedTo || !This->pMemInputPin)
 949             hr = VFW_E_NOT_CONNECTED;
 950         else
 951         {
 952             IMemAllocator * pAlloc = NULL;
 953
 954             hr = IMemInputPin_GetAllocator(This->pMemInputPin, &pAlloc);
 955
 956             if (SUCCEEDED(hr))
 957                 hr = IMemAllocator_Commit(pAlloc);
 958
 959             if (pAlloc)
 960                 IMemAllocator_Release(pAlloc);
 961         }
 962     }
 963     LeaveCriticalSection(This->pin.pCritSec);
 964
 965     return hr;
 966 }
 967
 968 HRESULT OutputPin_DeliverDisconnect(OutputPin * This)
 969 {
 970     HRESULT hr;
 971
 972     TRACE("(%p)->()\n", This);
 973
 974     EnterCriticalSection(This->pin.pCritSec);
 975     {
 976         if (!This->pin.pConnectedTo || !This->pMemInputPin)
 977             hr = VFW_E_NOT_CONNECTED;
 978         else
 979         {
 980             IMemAllocator * pAlloc = NULL;
 981
 982             hr = IMemInputPin_GetAllocator(This->pMemInputPin, &pAlloc);
 983
 984             if (SUCCEEDED(hr))
 985                 hr = IMemAllocator_Decommit(pAlloc);
 986
 987             if (pAlloc)
 988                 IMemAllocator_Release(pAlloc);
 989
 990             if (SUCCEEDED(hr))
 991                 hr = IPin_Disconnect(This->pin.pConnectedTo);
 992         }
 993     }
 994     LeaveCriticalSection(This->pin.pCritSec);
 995
 996     return hr;
 997 }
 998
 999
1000 HRESULT PullPin_Construct(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
1001 {
1002     PullPin * pPinImpl;
1003
1004     *ppPin = NULL;
1005
1006     if (pPinInfo->dir != PINDIR_INPUT)
1007     {
1008         ERR("Pin direction(%x) != PINDIR_INPUT\n", pPinInfo->dir);
1009         return E_INVALIDARG;
1010     }
1011
1012     pPinImpl = CoTaskMemAlloc(sizeof(*pPinImpl));
1013
1014     if (!pPinImpl)
1015         return E_OUTOFMEMORY;
1016
1017     if (SUCCEEDED(PullPin_Init(pPinInfo, pSampleProc, pUserData, pQueryAccept, pCritSec, pPinImpl)))
1018     {
1019         pPinImpl->pin.lpVtbl = &PullPin_Vtbl;
1020
1021         *ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
1022         return S_OK;
1023     }
1024     return E_FAIL;
1025 }
1026
1027 HRESULT PullPin_Init(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, PullPin * pPinImpl)
1028 {
1029     /* Common attributes */
1030     pPinImpl->pin.refCount = 1;
1031     pPinImpl->pin.pConnectedTo = NULL;
1032     pPinImpl->pin.fnQueryAccept = pQueryAccept;
1033     pPinImpl->pin.pUserData = pUserData;
1034     pPinImpl->pin.pCritSec = pCritSec;
1035     Copy_PinInfo(&pPinImpl->pin.pinInfo, pPinInfo);
1036     ZeroMemory(&pPinImpl->pin.mtCurrent, sizeof(AM_MEDIA_TYPE));
1037
1038     /* Input pin attributes */
1039     pPinImpl->fnSampleProc = pSampleProc;
1040     pPinImpl->fnPreConnect = NULL;
1041     pPinImpl->pAlloc = NULL;
1042     pPinImpl->pReader = NULL;
1043     pPinImpl->hThread = NULL;
1044     pPinImpl->hEventStateChanged = CreateEventW(NULL, FALSE, TRUE, NULL);
1045
1046     pPinImpl->rtStart = 0;
1047     pPinImpl->rtStop = ((LONGLONG)0x7fffffff << 32) | 0xffffffff;
1048
1049     return S_OK;
1050 }
1051
1052 HRESULT WINAPI PullPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
1053 {
1054     PIN_DIRECTION pindirReceive;
1055     HRESULT hr = S_OK;
1056     PullPin *This = (PullPin *)iface;
1057
1058     TRACE("(%p/%p)->(%p, %p)\n", This, iface, pReceivePin, pmt);
1059     dump_AM_MEDIA_TYPE(pmt);
1060
1061     EnterCriticalSection(This->pin.pCritSec);
1062     {
1063         if (This->pin.pConnectedTo)
1064             hr = VFW_E_ALREADY_CONNECTED;
1065
1066         if (SUCCEEDED(hr) && (This->pin.fnQueryAccept(This->pin.pUserData, pmt) != S_OK))
1067             hr = VFW_E_TYPE_NOT_ACCEPTED; /* FIXME: shouldn't we just map common errors onto
1068                                            * VFW_E_TYPE_NOT_ACCEPTED and pass the value on otherwise? */
1069
1070         if (SUCCEEDED(hr))
1071         {
1072             IPin_QueryDirection(pReceivePin, &pindirReceive);
1073
1074             if (pindirReceive != PINDIR_OUTPUT)
1075             {
1076                 ERR("Can't connect from non-output pin\n");
1077                 hr = VFW_E_INVALID_DIRECTION;
1078             }
1079         }
1080
1081         This->pReader = NULL;
1082         This->pAlloc = NULL;
1083         if (SUCCEEDED(hr))
1084         {
1085             hr = IPin_QueryInterface(pReceivePin, &IID_IAsyncReader, (LPVOID *)&This->pReader);
1086         }
1087
1088         if (SUCCEEDED(hr))
1089         {
1090             ALLOCATOR_PROPERTIES props;
1091             props.cBuffers = 3;
1092             props.cbBuffer = 64 * 1024; /* 64k bytes */
1093             props.cbAlign = 1;
1094             props.cbPrefix = 0;
1095             hr = IAsyncReader_RequestAllocator(This->pReader, NULL, &props, &This->pAlloc);
1096         }
1097
1098         if (SUCCEEDED(hr) && This->fnPreConnect)
1099         {
1100             hr = This->fnPreConnect(iface, pReceivePin);
1101         }
1102
1103         if (SUCCEEDED(hr))
1104         {
1105             CopyMediaType(&This->pin.mtCurrent, pmt);
1106             This->pin.pConnectedTo = pReceivePin;
1107             IPin_AddRef(pReceivePin);
1108         }
1109         else
1110         {
1111              if (This->pReader)
1112                  IAsyncReader_Release(This->pReader);
1113              This->pReader = NULL;
1114              if (This->pAlloc)
1115                  IMemAllocator_Release(This->pAlloc);
1116              This->pAlloc = NULL;
1117         }
1118     }
1119     LeaveCriticalSection(This->pin.pCritSec);
1120     return hr;
1121 }
1122
1123 HRESULT WINAPI PullPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
1124 {
1125     PullPin *This = (PullPin *)iface;
1126
1127     TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
1128
1129     *ppv = NULL;
1130
1131     if (IsEqualIID(riid, &IID_IUnknown))
1132         *ppv = (LPVOID)iface;
1133     else if (IsEqualIID(riid, &IID_IPin))
1134         *ppv = (LPVOID)iface;
1135
1136     if (*ppv)
1137     {
1138         IUnknown_AddRef((IUnknown *)(*ppv));
1139         return S_OK;
1140     }
1141
1142     FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
1143
1144     return E_NOINTERFACE;
1145 }
1146
1147 ULONG WINAPI PullPin_Release(IPin * iface)
1148 {
1149     PullPin *This = (PullPin *)iface;
1150     ULONG refCount = InterlockedDecrement(&This->pin.refCount);
1151
1152     TRACE("(%p)->() Release from %d\n", This, refCount + 1);
1153
1154     if (!refCount)
1155     {
1156         if (This->hThread)
1157             PullPin_StopProcessing(This);
1158         if(This->pAlloc)
1159             IMemAllocator_Release(This->pAlloc);
1160         if(This->pReader)
1161             IAsyncReader_Release(This->pReader);
1162         CloseHandle(This->hEventStateChanged);
1163         CoTaskMemFree(This);
1164         return 0;
1165     }
1166     return refCount;
1167 }
1168
1169 static DWORD WINAPI PullPin_Thread_Main(LPVOID pv)
1170 {
1171     for (;;)
1172         SleepEx(INFINITE, TRUE);
1173 }
1174
1175 static void CALLBACK PullPin_Thread_Process(ULONG_PTR iface)
1176 {
1177     PullPin *This = (PullPin *)iface;
1178     HRESULT hr;
1179
1180     REFERENCE_TIME rtCurrent;
1181     ALLOCATOR_PROPERTIES allocProps;
1182     PIN_INFO pinInfo;
1183
1184     CoInitializeEx(NULL, COINIT_MULTITHREADED);
1185
1186     SetEvent(This->hEventStateChanged);
1187
1188     hr = IMemAllocator_GetProperties(This->pAlloc, &allocProps);
1189
1190     rtCurrent = MEDIATIME_FROM_BYTES(ALIGNDOWN(BYTES_FROM_MEDIATIME(This->rtStart), allocProps.cbAlign));
1191
1192     TRACE("Start\n");
1193
1194     while (rtCurrent < This->rtStop && hr == S_OK)
1195     {
1196         /* FIXME: to improve performance by quite a bit this should be changed
1197          * so that one sample is processed while one sample is fetched. However,
1198          * it is harder to debug so for the moment it will stay as it is */
1199         IMediaSample * pSample = NULL;
1200         REFERENCE_TIME rtSampleStop;
1201         DWORD_PTR dwUser;
1202
1203         pinInfo.pFilter = NULL;
1204
1205         TRACE("Process sample\n");
1206
1207         hr = IMemAllocator_GetBuffer(This->pAlloc, &pSample, NULL, NULL, 0);
1208
1209         if (SUCCEEDED(hr))
1210         {
1211             rtSampleStop = rtCurrent + MEDIATIME_FROM_BYTES(IMediaSample_GetSize(pSample));
1212             if (rtSampleStop > This->rtStop)
1213                 rtSampleStop = MEDIATIME_FROM_BYTES(ALIGNUP(BYTES_FROM_MEDIATIME(This->rtStop), allocProps.cbAlign));
1214             hr = IMediaSample_SetTime(pSample, &rtCurrent, &rtSampleStop);
1215             rtCurrent = rtSampleStop;
1216         }
1217
1218         if (SUCCEEDED(hr))
1219             hr = IAsyncReader_Request(This->pReader, pSample, (ULONG_PTR)0);
1220
1221         if (SUCCEEDED(hr))
1222             hr = IAsyncReader_WaitForNext(This->pReader, 10000, &pSample, &dwUser);
1223
1224         if (SUCCEEDED(hr))
1225             hr = IPin_QueryPinInfo((IPin*)&This->pin, &pinInfo);
1226
1227         if (SUCCEEDED(hr))
1228             hr = This->fnSampleProc(This->pin.pUserData, pSample);
1229         else
1230             ERR("Processing error: %x\n", hr);
1231
1232         if (pinInfo.pFilter)
1233             IBaseFilter_Release(pinInfo.pFilter);
1234         if (pSample)
1235             IMediaSample_Release(pSample);
1236     }
1237
1238     CoUninitialize();
1239
1240     TRACE("End\n");
1241 }
1242
1243 static void CALLBACK PullPin_Thread_Stop(ULONG_PTR iface)
1244 {
1245     PullPin *This = (PullPin *)iface;
1246
1247     TRACE("(%p/%p)->()\n", This, (LPVOID)iface);
1248
1249     EnterCriticalSection(This->pin.pCritSec);
1250     {
1251         HRESULT hr;
1252
1253         CloseHandle(This->hThread);
1254         This->hThread = NULL;
1255         if (FAILED(hr = IMemAllocator_Decommit(This->pAlloc)))
1256             ERR("Allocator decommit failed with error %x. Possible memory leak\n", hr);
1257     }
1258     LeaveCriticalSection(This->pin.pCritSec);
1259
1260     SetEvent(This->hEventStateChanged);
1261
1262     ExitThread(0);
1263 }
1264
1265 HRESULT PullPin_InitProcessing(PullPin * This)
1266 {
1267     HRESULT hr = S_OK;
1268
1269     TRACE("(%p)->()\n", This);
1270
1271     assert(!This->hThread);
1272
1273     /* if we are connected */
1274     if (This->pAlloc)
1275     {
1276         EnterCriticalSection(This->pin.pCritSec);
1277         {
1278             DWORD dwThreadId;
1279             assert(!This->hThread);
1280
1281             This->hThread = CreateThread(NULL, 0, PullPin_Thread_Main, NULL, 0, &dwThreadId);
1282             if (!This->hThread)
1283                 hr = HRESULT_FROM_WIN32(GetLastError());
1284
1285             if (SUCCEEDED(hr))
1286                 hr = IMemAllocator_Commit(This->pAlloc);
1287         }
1288         LeaveCriticalSection(This->pin.pCritSec);
1289     }
1290
1291     TRACE(" -- %x\n", hr);
1292
1293     return hr;
1294 }
1295
1296 HRESULT PullPin_StartProcessing(PullPin * This)
1297 {
1298     /* if we are connected */
1299     TRACE("(%p)->()\n", This);
1300     if(This->pAlloc)
1301     {
1302         assert(This->hThread);
1303
1304         ResetEvent(This->hEventStateChanged);
1305
1306         if (!QueueUserAPC(PullPin_Thread_Process, This->hThread, (ULONG_PTR)This))
1307             return HRESULT_FROM_WIN32(GetLastError());
1308     }
1309
1310     return S_OK;
1311 }
1312
1313 HRESULT PullPin_PauseProcessing(PullPin * This)
1314 {
1315     /* make the processing function exit its loop */
1316     This->rtStop = 0;
1317
1318     return S_OK;
1319 }
1320
1321 HRESULT PullPin_StopProcessing(PullPin * This)
1322 {
1323     /* if we are connected */
1324     if (This->pAlloc)
1325     {
1326         assert(This->hThread);
1327
1328         ResetEvent(This->hEventStateChanged);
1329
1330         PullPin_PauseProcessing(This);
1331
1332         if (!QueueUserAPC(PullPin_Thread_Stop, This->hThread, (ULONG_PTR)This))
1333             return HRESULT_FROM_WIN32(GetLastError());
1334     }
1335
1336     return S_OK;
1337 }
1338
1339 HRESULT PullPin_WaitForStateChange(PullPin * This, DWORD dwMilliseconds)
1340 {
1341     if (WaitForSingleObject(This->hEventStateChanged, dwMilliseconds) == WAIT_TIMEOUT)
1342         return S_FALSE;
1343     return S_OK;
1344 }
1345
1346 HRESULT PullPin_Seek(PullPin * This, REFERENCE_TIME rtStart, REFERENCE_TIME rtStop)
1347 {
1348     FIXME("(%p)->(%x%08x, %x%08x)\n", This, (LONG)(rtStart >> 32), (LONG)rtStart, (LONG)(rtStop >> 32), (LONG)rtStop);
1349
1350     PullPin_BeginFlush((IPin *)This);
1351     /* FIXME: need critical section? */
1352     This->rtStart = rtStart;
1353     This->rtStop = rtStop;
1354     PullPin_EndFlush((IPin *)This);
1355
1356     return S_OK;
1357 }
1358
1359 HRESULT WINAPI PullPin_EndOfStream(IPin * iface)
1360 {
1361     FIXME("(%p)->()\n", iface);
1362     return E_NOTIMPL;
1363 }
1364
1365 HRESULT WINAPI PullPin_BeginFlush(IPin * iface)
1366 {
1367     FIXME("(%p)->()\n", iface);
1368     return E_NOTIMPL;
1369 }
1370
1371 HRESULT WINAPI PullPin_EndFlush(IPin * iface)
1372 {
1373     FIXME("(%p)->()\n", iface);
1374     return E_NOTIMPL;
1375 }
1376
1377 HRESULT WINAPI PullPin_NewSegment(IPin * iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
1378 {
1379     FIXME("(%p)->(%s, %s, %g)\n", iface, wine_dbgstr_longlong(tStart), wine_dbgstr_longlong(tStop), dRate);
1380     return E_NOTIMPL;
1381 }
1382
1383 static const IPinVtbl PullPin_Vtbl =
1384 {
1385     PullPin_QueryInterface,
1386     IPinImpl_AddRef,
1387     PullPin_Release,
1388     OutputPin_Connect,
1389     PullPin_ReceiveConnection,
1390     IPinImpl_Disconnect,
1391     IPinImpl_ConnectedTo,
1392     IPinImpl_ConnectionMediaType,
1393     IPinImpl_QueryPinInfo,
1394     IPinImpl_QueryDirection,
1395     IPinImpl_QueryId,
1396     IPinImpl_QueryAccept,
1397     IPinImpl_EnumMediaTypes,
1398     IPinImpl_QueryInternalConnections,
1399     PullPin_EndOfStream,
1400     PullPin_BeginFlush,
1401     PullPin_EndFlush,
1402     PullPin_NewSegment
1403 };