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   1 /*
   2  * AVI Splitter Filter
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20 /* FIXME:
  21  * - we don't do anything with indices yet (we could use them when seeking)
  22  * - we don't support multiple RIFF sections (i.e. large AVI files > 2Gb)
  23  */
  24
  25 #include "quartz_private.h"
  26 #include "control_private.h"
  27 #include "pin.h"
  28
  29 #include "uuids.h"
  30 #include "aviriff.h"
  31 #include "mmreg.h"
  32 #include "vfwmsgs.h"
  33 #include "amvideo.h"
  34
  35 #include "fourcc.h"
  36
  37 #include "wine/unicode.h"
  38 #include "wine/debug.h"
  39
  40 #include <math.h>
  41 #include <assert.h>
  42
  43 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  44
  45 static const WCHAR wcsInputPinName[] = {'i','n','p','u','t',' ','p','i','n',0};
  46 static const struct IBaseFilterVtbl AVISplitter_Vtbl;
  47 static const struct IMediaSeekingVtbl AVISplitter_Seeking_Vtbl;
  48 static const struct IPinVtbl AVISplitter_OutputPin_Vtbl;
  49 static const struct IPinVtbl AVISplitter_InputPin_Vtbl;
  50
  51 static HRESULT AVISplitter_Sample(LPVOID iface, IMediaSample * pSample);
  52 static HRESULT AVISplitter_OutputPin_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt);
  53 static HRESULT AVISplitter_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt);
  54 static HRESULT AVISplitter_InputPin_PreConnect(IPin * iface, IPin * pConnectPin);
  55 static HRESULT AVISplitter_ChangeStart(LPVOID iface);
  56 static HRESULT AVISplitter_ChangeStop(LPVOID iface);
  57 static HRESULT AVISplitter_ChangeRate(LPVOID iface);
  58
  59 static HRESULT AVISplitter_InputPin_Construct(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin);
  60
  61 typedef struct AVISplitter
  62 {
  63     const IBaseFilterVtbl * lpVtbl;
  64
  65     ULONG refCount;
  66     CRITICAL_SECTION csFilter;
  67     FILTER_STATE state;
  68     REFERENCE_TIME rtStreamStart;
  69     IReferenceClock * pClock;
  70     FILTER_INFO filterInfo;
  71
  72     PullPin * pInputPin;
  73     ULONG cStreams;
  74     IPin ** ppPins;
  75     IMediaSample * pCurrentSample;
  76     RIFFCHUNK CurrentChunk;
  77     LONGLONG CurrentChunkOffset; /* in media time */
  78     LONGLONG EndOfFile;
  79     AVIMAINHEADER AviHeader;
  80 } AVISplitter;
  81
  82 typedef struct AVISplitter_OutputPin
  83 {
  84     OutputPin pin;
  85
  86     AM_MEDIA_TYPE * pmt;
  87     float fSamplesPerSec;
  88     DWORD dwSamplesProcessed;
  89     DWORD dwSampleSize;
  90     DWORD dwLength;
  91     MediaSeekingImpl mediaSeeking;
  92 } AVISplitter_OutputPin;
  93
  94
  95 #define _IMediaSeeking_Offset ((int)(&(((AVISplitter_OutputPin*)0)->mediaSeeking)))
  96 #define ICOM_THIS_From_IMediaSeeking(impl, iface) impl* This = (impl*)(((char*)iface)-_IMediaSeeking_Offset);
  97
  98 HRESULT AVISplitter_create(IUnknown * pUnkOuter, LPVOID * ppv)
  99 {
 100     HRESULT hr;
 101     PIN_INFO piInput;
 102     AVISplitter * pAviSplit;
 103
 104     TRACE("(%p, %p)\n", pUnkOuter, ppv);
 105
 106     *ppv = NULL;
 107
 108     if (pUnkOuter)
 109         return CLASS_E_NOAGGREGATION;
 110
 111     pAviSplit = CoTaskMemAlloc(sizeof(AVISplitter));
 112
 113     pAviSplit->lpVtbl = &AVISplitter_Vtbl;
 114     pAviSplit->refCount = 1;
 115     InitializeCriticalSection(&pAviSplit->csFilter);
 116     pAviSplit->state = State_Stopped;
 117     pAviSplit->pClock = NULL;
 118     pAviSplit->pCurrentSample = NULL;
 119     ZeroMemory(&pAviSplit->filterInfo, sizeof(FILTER_INFO));
 120
 121     pAviSplit->cStreams = 0;
 122     pAviSplit->ppPins = CoTaskMemAlloc(1 * sizeof(IPin *));
 123
 124     /* construct input pin */
 125     piInput.dir = PINDIR_INPUT;
 126     piInput.pFilter = (IBaseFilter *)pAviSplit;
 127     strncpyW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
 128
 129     hr = AVISplitter_InputPin_Construct(&piInput, AVISplitter_Sample, (LPVOID)pAviSplit, AVISplitter_QueryAccept, &pAviSplit->csFilter, (IPin **)&pAviSplit->pInputPin);
 130
 131     if (SUCCEEDED(hr))
 132     {
 133         pAviSplit->ppPins[0] = (IPin *)pAviSplit->pInputPin;
 134         pAviSplit->pInputPin->fnPreConnect = AVISplitter_InputPin_PreConnect;
 135         *ppv = (LPVOID)pAviSplit;
 136     }
 137     else
 138     {
 139         CoTaskMemFree(pAviSplit->ppPins);
 140         DeleteCriticalSection(&pAviSplit->csFilter);
 141         CoTaskMemFree(pAviSplit);
 142     }
 143
 144     return hr;
 145 }
 146
 147 static HRESULT AVISplitter_OutputPin_Init(const PIN_INFO * pPinInfo, ALLOCATOR_PROPERTIES * props, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, const AM_MEDIA_TYPE * pmt, float fSamplesPerSec, LPCRITICAL_SECTION pCritSec, AVISplitter_OutputPin * pPinImpl)
 148 {
 149     pPinImpl->pmt = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
 150     CopyMediaType(pPinImpl->pmt, pmt);
 151     pPinImpl->dwSamplesProcessed = 0;
 152     pPinImpl->dwSampleSize = 0;
 153     pPinImpl->fSamplesPerSec = fSamplesPerSec;
 154
 155     MediaSeekingImpl_Init((LPVOID)pPinInfo->pFilter, AVISplitter_ChangeStop, AVISplitter_ChangeStart, AVISplitter_ChangeRate, &pPinImpl->mediaSeeking);
 156     pPinImpl->mediaSeeking.lpVtbl = &AVISplitter_Seeking_Vtbl;
 157
 158     return OutputPin_Init(pPinInfo, props, pUserData, pQueryAccept, pCritSec, &pPinImpl->pin);
 159 }
 160
 161 static HRESULT AVISplitter_OutputPin_Construct(const PIN_INFO * pPinInfo, ALLOCATOR_PROPERTIES * props, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, const AM_MEDIA_TYPE * pmt, float fSamplesPerSec, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
 162 {
 163     AVISplitter_OutputPin * pPinImpl;
 164
 165     *ppPin = NULL;
 166
 167     assert(pPinInfo->dir == PINDIR_OUTPUT);
 168
 169     pPinImpl = CoTaskMemAlloc(sizeof(AVISplitter_OutputPin));
 170
 171     if (!pPinImpl)
 172         return E_OUTOFMEMORY;
 173
 174     if (SUCCEEDED(AVISplitter_OutputPin_Init(pPinInfo, props, pUserData, pQueryAccept, pmt, fSamplesPerSec, pCritSec, pPinImpl)))
 175     {
 176         pPinImpl->pin.pin.lpVtbl = &AVISplitter_OutputPin_Vtbl;
 177
 178         *ppPin = (IPin *)pPinImpl;
 179         return S_OK;
 180     }
 181     return E_FAIL;
 182 }
 183
 184 static HRESULT WINAPI AVISplitter_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
 185 {
 186     ICOM_THIS(AVISplitter, iface);
 187     TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
 188
 189     *ppv = NULL;
 190
 191     if (IsEqualIID(riid, &IID_IUnknown))
 192         *ppv = (LPVOID)This;
 193     else if (IsEqualIID(riid, &IID_IPersist))
 194         *ppv = (LPVOID)This;
 195     else if (IsEqualIID(riid, &IID_IMediaFilter))
 196         *ppv = (LPVOID)This;
 197     else if (IsEqualIID(riid, &IID_IBaseFilter))
 198         *ppv = (LPVOID)This;
 199
 200     if (*ppv)
 201     {
 202         IUnknown_AddRef((IUnknown *)(*ppv));
 203         return S_OK;
 204     }
 205
 206     FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 207
 208     return E_NOINTERFACE;
 209 }
 210
 211 static ULONG WINAPI AVISplitter_AddRef(IBaseFilter * iface)
 212 {
 213     ICOM_THIS(AVISplitter, iface);
 214     TRACE("()\n");
 215     return InterlockedIncrement(&This->refCount);
 216 }
 217
 218 static ULONG WINAPI AVISplitter_Release(IBaseFilter * iface)
 219 {
 220     ICOM_THIS(AVISplitter, iface);
 221     TRACE("()\n");
 222     if (!InterlockedDecrement(&This->refCount))
 223     {
 224         ULONG i;
 225
 226         DeleteCriticalSection(&This->csFilter);
 227         IReferenceClock_Release(This->pClock);
 228
 229         for (i = 0; i < This->cStreams + 1; i++)
 230             IPin_Release(This->ppPins[i]);
 231
 232         HeapFree(GetProcessHeap(), 0, This->ppPins);
 233         This->lpVtbl = NULL;
 234
 235         TRACE("Destroying AVI splitter\n");
 236         CoTaskMemFree(This);
 237
 238         return 0;
 239     }
 240     else
 241         return This->refCount;
 242 }
 243
 244 /** IPersist methods **/
 245
 246 static HRESULT WINAPI AVISplitter_GetClassID(IBaseFilter * iface, CLSID * pClsid)
 247 {
 248     TRACE("(%p)\n", pClsid);
 249
 250     *pClsid = CLSID_AviSplitter;
 251
 252     return S_OK;
 253 }
 254
 255 /** IMediaFilter methods **/
 256
 257 static HRESULT WINAPI AVISplitter_Stop(IBaseFilter * iface)
 258 {
 259     HRESULT hr;
 260     ICOM_THIS(AVISplitter, iface);
 261
 262     TRACE("()\n");
 263
 264     EnterCriticalSection(&This->csFilter);
 265     {
 266         hr = PullPin_StopProcessing(This->pInputPin);
 267
 268         This->state = State_Stopped;
 269     }
 270     LeaveCriticalSection(&This->csFilter);
 271
 272     return hr;
 273 }
 274
 275 static HRESULT WINAPI AVISplitter_Pause(IBaseFilter * iface)
 276 {
 277     HRESULT hr = S_OK;
 278     BOOL bInit;
 279     ICOM_THIS(AVISplitter, iface);
 280
 281     TRACE("()\n");
 282
 283     EnterCriticalSection(&This->csFilter);
 284     {
 285         bInit = (This->state == State_Stopped);
 286         This->state = State_Paused;
 287     }
 288     LeaveCriticalSection(&This->csFilter);
 289
 290     if (bInit)
 291     {
 292         unsigned int i;
 293
 294         hr = PullPin_Seek(This->pInputPin, This->CurrentChunkOffset, This->EndOfFile);
 295
 296         if (SUCCEEDED(hr))
 297             hr = PullPin_InitProcessing(This->pInputPin);
 298
 299         if (SUCCEEDED(hr))
 300         {
 301             for (i = 1; i < This->cStreams + 1; i++)
 302             {
 303                 OutputPin_DeliverNewSegment((OutputPin *)This->ppPins[i], 0, (LONGLONG)ceil(10000000.0 * (float)((AVISplitter_OutputPin *)This->ppPins[i])->dwLength / ((AVISplitter_OutputPin *)This->ppPins[i])->fSamplesPerSec), 1.0);
 304                 ((AVISplitter_OutputPin *)This->ppPins[i])->mediaSeeking.llDuration = (LONGLONG)ceil(10000000.0 * (float)((AVISplitter_OutputPin *)This->ppPins[i])->dwLength / ((AVISplitter_OutputPin *)This->ppPins[i])->fSamplesPerSec);
 305                 ((AVISplitter_OutputPin *)This->ppPins[i])->mediaSeeking.llStop = (LONGLONG)ceil(10000000.0 * (float)((AVISplitter_OutputPin *)This->ppPins[i])->dwLength / ((AVISplitter_OutputPin *)This->ppPins[i])->fSamplesPerSec);
 306                 OutputPin_CommitAllocator((OutputPin *)This->ppPins[i]);
 307             }
 308
 309             /* FIXME: this is a little hacky: we have to deliver (at least?) one sample
 310              * to each renderer before they will complete their transitions. We should probably
 311              * seek through the stream for the first of each, rather than do it this way which is
 312              * probably a bit prone to deadlocking */
 313             hr = PullPin_StartProcessing(This->pInputPin);
 314         }
 315     }
 316     /* FIXME: else pause thread */
 317
 318     return hr;
 319 }
 320
 321 static HRESULT WINAPI AVISplitter_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
 322 {
 323     HRESULT hr = S_OK;
 324     ICOM_THIS(AVISplitter, iface);
 325
 326     TRACE("(%s)\n", wine_dbgstr_longlong(tStart));
 327
 328     EnterCriticalSection(&This->csFilter);
 329     {
 330         This->rtStreamStart = tStart;
 331
 332         This->state = State_Running;
 333     }
 334     LeaveCriticalSection(&This->csFilter);
 335
 336     return hr;
 337 }
 338
 339 static HRESULT WINAPI AVISplitter_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
 340 {
 341     ICOM_THIS(AVISplitter, iface);
 342
 343     TRACE("(%ld, %p)\n", dwMilliSecsTimeout, pState);
 344
 345     EnterCriticalSection(&This->csFilter);
 346     {
 347         *pState = This->state;
 348     }
 349     LeaveCriticalSection(&This->csFilter);
 350
 351     /* FIXME: this is a little bit unsafe, but I don't see that we can do this
 352      * while in the critical section. Maybe we could copy the pointer and addref in the
 353      * critical section and then release after this.
 354      */
 355     if (This->pInputPin && (PullPin_WaitForStateChange(This->pInputPin, dwMilliSecsTimeout) == S_FALSE))
 356         return VFW_S_STATE_INTERMEDIATE;
 357
 358     return S_OK;
 359 }
 360
 361 static HRESULT WINAPI AVISplitter_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
 362 {
 363     ICOM_THIS(AVISplitter, iface);
 364
 365     TRACE("(%p)\n", pClock);
 366
 367     EnterCriticalSection(&This->csFilter);
 368     {
 369         if (This->pClock)
 370             IReferenceClock_Release(This->pClock);
 371         This->pClock = pClock;
 372         if (This->pClock)
 373             IReferenceClock_AddRef(This->pClock);
 374     }
 375     LeaveCriticalSection(&This->csFilter);
 376
 377     return S_OK;
 378 }
 379
 380 static HRESULT WINAPI AVISplitter_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
 381 {
 382     ICOM_THIS(AVISplitter, iface);
 383
 384     TRACE("(%p)\n", ppClock);
 385
 386     EnterCriticalSection(&This->csFilter);
 387     {
 388         *ppClock = This->pClock;
 389         IReferenceClock_AddRef(This->pClock);
 390     }
 391     LeaveCriticalSection(&This->csFilter);
 392
 393     return S_OK;
 394 }
 395
 396 /** IBaseFilter implementation **/
 397
 398 static HRESULT WINAPI AVISplitter_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
 399 {
 400     ENUMPINDETAILS epd;
 401     ICOM_THIS(AVISplitter, iface);
 402
 403     TRACE("(%p)\n", ppEnum);
 404
 405     epd.cPins = This->cStreams + 1; /* +1 for input pin */
 406     epd.ppPins = This->ppPins;
 407     return IEnumPinsImpl_Construct(&epd, ppEnum);
 408 }
 409
 410 static HRESULT WINAPI AVISplitter_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
 411 {
 412     FIXME("AVISplitter::FindPin(...)\n");
 413
 414     /* FIXME: critical section */
 415
 416     return E_NOTIMPL;
 417 }
 418
 419 static HRESULT WINAPI AVISplitter_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
 420 {
 421     ICOM_THIS(AVISplitter, iface);
 422
 423     TRACE("(%p)\n", pInfo);
 424
 425     strcpyW(pInfo->achName, This->filterInfo.achName);
 426     pInfo->pGraph = This->filterInfo.pGraph;
 427
 428     if (pInfo->pGraph)
 429         IFilterGraph_AddRef(pInfo->pGraph);
 430
 431     return S_OK;
 432 }
 433
 434 static HRESULT WINAPI AVISplitter_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
 435 {
 436     HRESULT hr = S_OK;
 437     ICOM_THIS(AVISplitter, iface);
 438
 439     TRACE("(%p, %s)\n", pGraph, debugstr_w(pName));
 440
 441     EnterCriticalSection(&This->csFilter);
 442     {
 443         if (pName)
 444             strcpyW(This->filterInfo.achName, pName);
 445         else
 446             *This->filterInfo.achName = '\0';
 447         This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
 448     }
 449     LeaveCriticalSection(&This->csFilter);
 450
 451     return hr;
 452 }
 453
 454 static HRESULT WINAPI AVISplitter_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
 455 {
 456     TRACE("(%p)\n", pVendorInfo);
 457     return E_NOTIMPL;
 458 }
 459
 460 static const IBaseFilterVtbl AVISplitter_Vtbl =
 461 {
 462     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 463     AVISplitter_QueryInterface,
 464     AVISplitter_AddRef,
 465     AVISplitter_Release,
 466     AVISplitter_GetClassID,
 467     AVISplitter_Stop,
 468     AVISplitter_Pause,
 469     AVISplitter_Run,
 470     AVISplitter_GetState,
 471     AVISplitter_SetSyncSource,
 472     AVISplitter_GetSyncSource,
 473     AVISplitter_EnumPins,
 474     AVISplitter_FindPin,
 475     AVISplitter_QueryFilterInfo,
 476     AVISplitter_JoinFilterGraph,
 477     AVISplitter_QueryVendorInfo
 478 };
 479
 480 static HRESULT AVISplitter_NextChunk(LONGLONG * pllCurrentChunkOffset, RIFFCHUNK * pCurrentChunk, const REFERENCE_TIME * tStart, const REFERENCE_TIME * tStop, const BYTE * pbSrcStream)
 481 {
 482     *pllCurrentChunkOffset += MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK) + RIFFROUND(pCurrentChunk->cb));
 483
 484     if (*pllCurrentChunkOffset > *tStop)
 485         return S_FALSE; /* no more data - we couldn't even get the next chunk header! */
 486     else if (*pllCurrentChunkOffset + MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK)) >= *tStop)
 487     {
 488         memcpy(pCurrentChunk, pbSrcStream + (DWORD)BYTES_FROM_MEDIATIME(*pllCurrentChunkOffset - *tStart), (DWORD)BYTES_FROM_MEDIATIME(*tStop - *pllCurrentChunkOffset));
 489         return S_FALSE; /* no more data */
 490     }
 491     else
 492         memcpy(pCurrentChunk, pbSrcStream + (DWORD)BYTES_FROM_MEDIATIME(*pllCurrentChunkOffset - *tStart), sizeof(RIFFCHUNK));
 493
 494     return S_OK;
 495 }
 496
 497 static HRESULT AVISplitter_Sample(LPVOID iface, IMediaSample * pSample)
 498 {
 499     ICOM_THIS(AVISplitter, iface);
 500     LPBYTE pbSrcStream = NULL;
 501     long cbSrcStream = 0;
 502     REFERENCE_TIME tStart, tStop;
 503     HRESULT hr;
 504     BOOL bMoreData = TRUE;
 505
 506     hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
 507
 508     hr = IMediaSample_GetTime(pSample, &tStart, &tStop);
 509
 510     cbSrcStream = IMediaSample_GetActualDataLength(pSample);
 511
 512     /* trace removed for performance reasons */
 513 /*  TRACE("(%p)\n", pSample); */
 514
 515     assert(BYTES_FROM_MEDIATIME(tStop - tStart) == cbSrcStream);
 516
 517     if (This->CurrentChunkOffset <= tStart && This->CurrentChunkOffset + MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK)) > tStart)
 518     {
 519         DWORD offset = (DWORD)BYTES_FROM_MEDIATIME(tStart - This->CurrentChunkOffset);
 520         assert(offset <= sizeof(RIFFCHUNK));
 521         memcpy((BYTE *)&This->CurrentChunk + offset, pbSrcStream, sizeof(RIFFCHUNK) - offset);
 522     }
 523     else if (This->CurrentChunkOffset > tStart)
 524     {
 525         DWORD offset = (DWORD)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset - tStart);
 526         if (offset >= (DWORD)cbSrcStream)
 527         {
 528             FIXME("large offset\n");
 529             return S_OK;
 530         }
 531
 532         memcpy(&This->CurrentChunk, pbSrcStream + offset, sizeof(RIFFCHUNK));
 533     }
 534
 535     assert(This->CurrentChunkOffset + MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK)) < tStop);
 536
 537     while (bMoreData)
 538     {
 539         BYTE * pbDstStream;
 540         long cbDstStream;
 541         long chunk_remaining_bytes = 0;
 542         long offset_src;
 543         WORD streamId;
 544         AVISplitter_OutputPin * pOutputPin;
 545         BOOL bSyncPoint = TRUE;
 546
 547         if (This->CurrentChunkOffset >= tStart)
 548             offset_src = (long)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset - tStart) + sizeof(RIFFCHUNK);
 549         else
 550             offset_src = 0;
 551
 552         switch (This->CurrentChunk.fcc)
 553         {
 554         case ckidJUNK:
 555             /* silently ignore */
 556             if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream))
 557                 bMoreData = FALSE;
 558             continue;
 559         default:
 560             switch (TWOCCFromFOURCC(This->CurrentChunk.fcc))
 561             {
 562             case cktypeDIBcompressed:
 563                 bSyncPoint = FALSE;
 564                 /* fall-through */
 565             case cktypeDIBbits:
 566                 /* FIXME: check that pin is of type video */
 567                 break;
 568             case cktypeWAVEbytes:
 569                 /* FIXME: check that pin is of type audio */
 570                 break;
 571             case cktypePALchange:
 572                 FIXME("handle palette change\n");
 573                 break;
 574             default:
 575                 FIXME("Skipping unknown chunk type: %s at file offset 0x%lx\n", debugstr_an((LPSTR)&This->CurrentChunk.fcc, 4), (DWORD)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset));
 576                 if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream))
 577                     bMoreData = FALSE;
 578                 continue;
 579             }
 580         }
 581
 582         streamId = StreamFromFOURCC(This->CurrentChunk.fcc);
 583
 584         if (streamId > This->cStreams)
 585         {
 586             ERR("Corrupted AVI file (contains stream id %d, but supposed to only have %ld streams)\n", streamId, This->cStreams);
 587             return E_FAIL;
 588         }
 589
 590         pOutputPin = (AVISplitter_OutputPin *)This->ppPins[streamId + 1];
 591
 592         if (!This->pCurrentSample)
 593         {
 594             /* cache media sample until it is ready to be despatched
 595              * (i.e. we reach the end of the chunk) */
 596             hr = OutputPin_GetDeliveryBuffer(&pOutputPin->pin, &This->pCurrentSample, NULL, NULL, 0);
 597
 598             if (SUCCEEDED(hr))
 599             {
 600                 hr = IMediaSample_SetActualDataLength(This->pCurrentSample, 0);
 601                 assert(hr == S_OK);
 602             }
 603             else
 604             {
 605                 TRACE("Skipping sending sample for stream %02d due to error (%lx)\n", streamId, hr);
 606                 This->pCurrentSample = NULL;
 607                 if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream))
 608                     bMoreData = FALSE;
 609                 continue;
 610             }
 611         }
 612
 613         hr = IMediaSample_GetPointer(This->pCurrentSample, &pbDstStream);
 614
 615         if (SUCCEEDED(hr))
 616         {
 617             cbDstStream = IMediaSample_GetSize(This->pCurrentSample);
 618
 619             chunk_remaining_bytes = (long)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset + MEDIATIME_FROM_BYTES(This->CurrentChunk.cb + sizeof(RIFFCHUNK)) - tStart) - offset_src;
 620
 621             assert(chunk_remaining_bytes >= 0);
 622             assert(chunk_remaining_bytes <= cbDstStream - IMediaSample_GetActualDataLength(This->pCurrentSample));
 623
 624             /* trace removed for performance reasons */
 625 /*          TRACE("chunk_remaining_bytes: 0x%lx, cbSrcStream: 0x%lx, offset_src: 0x%lx\n", chunk_remaining_bytes, cbSrcStream, offset_src); */
 626         }
 627
 628         if (chunk_remaining_bytes <= cbSrcStream - offset_src)
 629         {
 630             if (SUCCEEDED(hr))
 631             {
 632                 memcpy(pbDstStream + IMediaSample_GetActualDataLength(This->pCurrentSample), pbSrcStream + offset_src, chunk_remaining_bytes);
 633                 hr = IMediaSample_SetActualDataLength(This->pCurrentSample, chunk_remaining_bytes + IMediaSample_GetActualDataLength(This->pCurrentSample));
 634                 assert(hr == S_OK);
 635             }
 636
 637             if (SUCCEEDED(hr))
 638             {
 639                 REFERENCE_TIME tAviStart, tAviStop;
 640
 641                 /* FIXME: hack */
 642                 if (pOutputPin->dwSamplesProcessed == 0)
 643                     IMediaSample_SetDiscontinuity(This->pCurrentSample, TRUE);
 644
 645                 IMediaSample_SetSyncPoint(This->pCurrentSample, bSyncPoint);
 646
 647                 pOutputPin->dwSamplesProcessed++;
 648
 649                 if (pOutputPin->dwSampleSize)
 650                     tAviStart = (LONGLONG)ceil(10000000.0 * (float)(pOutputPin->dwSamplesProcessed - 1) * (float)IMediaSample_GetActualDataLength(This->pCurrentSample) / ((float)pOutputPin->dwSampleSize * pOutputPin->fSamplesPerSec));
 651                 else
 652                     tAviStart = (LONGLONG)ceil(10000000.0 * (float)(pOutputPin->dwSamplesProcessed - 1) / (float)pOutputPin->fSamplesPerSec);
 653                 if (pOutputPin->dwSampleSize)
 654                     tAviStop = (LONGLONG)ceil(10000000.0 * (float)pOutputPin->dwSamplesProcessed * (float)IMediaSample_GetActualDataLength(This->pCurrentSample) / ((float)pOutputPin->dwSampleSize * pOutputPin->fSamplesPerSec));
 655                 else
 656                     tAviStop = (LONGLONG)ceil(10000000.0 * (float)pOutputPin->dwSamplesProcessed / (float)pOutputPin->fSamplesPerSec);
 657
 658                 IMediaSample_SetTime(This->pCurrentSample, &tAviStart, &tAviStop);
 659
 660
 661                 hr = OutputPin_SendSample(&pOutputPin->pin, This->pCurrentSample);
 662                 if (hr != S_OK && hr != VFW_E_NOT_CONNECTED)
 663                     ERR("Error sending sample (%lx)\n", hr);
 664             }
 665
 666             if (This->pCurrentSample)
 667                 IMediaSample_Release(This->pCurrentSample);
 668
 669             This->pCurrentSample = NULL;
 670
 671             if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream))
 672                 bMoreData = FALSE;
 673         }
 674         else
 675         {
 676             if (SUCCEEDED(hr))
 677             {
 678                 memcpy(pbDstStream + IMediaSample_GetActualDataLength(This->pCurrentSample), pbSrcStream + offset_src, cbSrcStream - offset_src);
 679                 IMediaSample_SetActualDataLength(This->pCurrentSample, cbSrcStream - offset_src + IMediaSample_GetActualDataLength(This->pCurrentSample));
 680             }
 681             bMoreData = FALSE;
 682         }
 683     }
 684     return hr;
 685 }
 686
 687 static HRESULT AVISplitter_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
 688 {
 689     if (IsEqualIID(&pmt->majortype, &MEDIATYPE_Stream) && IsEqualIID(&pmt->subtype, &MEDIASUBTYPE_Avi))
 690         return S_OK;
 691     return S_FALSE;
 692 }
 693
 694 static HRESULT AVISplitter_ProcessStreamList(AVISplitter * This, const BYTE * pData, DWORD cb)
 695 {
 696     PIN_INFO piOutput;
 697     RIFFCHUNK * pChunk;
 698     IPin ** ppOldPins;
 699     HRESULT hr;
 700     AM_MEDIA_TYPE amt;
 701     float fSamplesPerSec = 0.0f;
 702     DWORD dwSampleSize = 0;
 703     DWORD dwLength = 0;
 704     ALLOCATOR_PROPERTIES props;
 705     static const WCHAR wszStreamTemplate[] = {'S','t','r','e','a','m',' ','%','0','2','d',0};
 706
 707     props.cbAlign = 1;
 708     props.cbPrefix = 0;
 709     props.cbBuffer = 0x20000;
 710     props.cBuffers = 2;
 711
 712     ZeroMemory(&amt, sizeof(amt));
 713     piOutput.dir = PINDIR_OUTPUT;
 714     piOutput.pFilter = (IBaseFilter *)This;
 715     wsprintfW(piOutput.achName, wszStreamTemplate, This->cStreams);
 716
 717     for (pChunk = (RIFFCHUNK *)pData; ((BYTE *)pChunk >= pData) && ((BYTE *)pChunk + sizeof(RIFFCHUNK) < pData + cb) && (pChunk->cb > 0); pChunk = (RIFFCHUNK *)((BYTE*)pChunk + sizeof(RIFFCHUNK) + pChunk->cb))
 718     {
 719         switch (pChunk->fcc)
 720         {
 721         case ckidSTREAMHEADER:
 722             {
 723                 const AVISTREAMHEADER * pStrHdr = (const AVISTREAMHEADER *)pChunk;
 724                 TRACE("processing stream header\n");
 725
 726                 fSamplesPerSec = (float)pStrHdr->dwRate / (float)pStrHdr->dwScale;
 727
 728                 switch (pStrHdr->fccType)
 729                 {
 730                 case streamtypeVIDEO:
 731                     memcpy(&amt.formattype, &FORMAT_VideoInfo, sizeof(GUID));
 732                     amt.pbFormat = NULL;
 733                     amt.cbFormat = 0;
 734                     break;
 735                 case streamtypeAUDIO:
 736                     memcpy(&amt.formattype, &FORMAT_WaveFormatEx, sizeof(GUID));
 737                     break;
 738                 default:
 739                     memcpy(&amt.formattype, &FORMAT_None, sizeof(GUID));
 740                 }
 741                 memcpy(&amt.majortype, &MEDIATYPE_Video, sizeof(GUID));
 742                 amt.majortype.Data1 = pStrHdr->fccType;
 743                 memcpy(&amt.subtype, &MEDIATYPE_Video, sizeof(GUID));
 744                 amt.subtype.Data1 = pStrHdr->fccHandler;
 745                 TRACE("Subtype FCC: %.04s\n", (LPSTR)&pStrHdr->fccHandler);
 746                 amt.lSampleSize = pStrHdr->dwSampleSize;
 747                 amt.bFixedSizeSamples = (amt.lSampleSize != 0);
 748
 749                 /* FIXME: Is this right? */
 750                 if (!amt.lSampleSize)
 751                 {
 752                     amt.lSampleSize = 1;
 753                     dwSampleSize = 1;
 754                 }
 755
 756                 amt.bTemporalCompression = IsEqualGUID(&amt.majortype, &MEDIATYPE_Video); /* FIXME? */
 757                 dwSampleSize = pStrHdr->dwSampleSize;
 758                 dwLength = pStrHdr->dwLength;
 759                 if (!dwLength)
 760                     dwLength = This->AviHeader.dwTotalFrames;
 761
 762                 if (pStrHdr->dwSuggestedBufferSize)
 763                     props.cbBuffer = pStrHdr->dwSuggestedBufferSize;
 764
 765                 break;
 766             }
 767         case ckidSTREAMFORMAT:
 768             TRACE("processing stream format data\n");
 769             if (IsEqualIID(&amt.formattype, &FORMAT_VideoInfo))
 770             {
 771                 VIDEOINFOHEADER * pvi;
 772                 /* biCompression member appears to override the value in the stream header.
 773                  * i.e. the stream header can say something completely contradictory to what
 774                  * is in the BITMAPINFOHEADER! */
 775                 if (pChunk->cb < sizeof(BITMAPINFOHEADER))
 776                 {
 777                     ERR("Not enough bytes for BITMAPINFOHEADER\n");
 778                     return E_FAIL;
 779                 }
 780                 amt.cbFormat = sizeof(VIDEOINFOHEADER) - sizeof(BITMAPINFOHEADER) + pChunk->cb;
 781                 amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
 782                 ZeroMemory(amt.pbFormat, amt.cbFormat);
 783                 pvi = (VIDEOINFOHEADER *)amt.pbFormat;
 784                 pvi->AvgTimePerFrame = (LONGLONG)(10000000.0 / fSamplesPerSec);
 785                 CopyMemory(&pvi->bmiHeader, (const BYTE *)(pChunk + 1), pChunk->cb);
 786                 if (pvi->bmiHeader.biCompression)
 787                     amt.subtype.Data1 = pvi->bmiHeader.biCompression;
 788             }
 789             else
 790             {
 791                 amt.cbFormat = pChunk->cb;
 792                 amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
 793                 CopyMemory(amt.pbFormat, (const BYTE *)(pChunk + 1), amt.cbFormat);
 794             }
 795             break;
 796         case ckidSTREAMNAME:
 797             TRACE("processing stream name\n");
 798             /* FIXME: this doesn't exactly match native version (we omit the "##)" prefix), but hey... */
 799             MultiByteToWideChar(CP_ACP, 0, (LPCSTR)(pChunk + 1), pChunk->cb, piOutput.achName, sizeof(piOutput.achName) / sizeof(piOutput.achName[0]));
 800             break;
 801         case ckidSTREAMHANDLERDATA:
 802             FIXME("process stream handler data\n");
 803             break;
 804         case ckidJUNK:
 805             TRACE("JUNK chunk ignored\n");
 806             break;
 807         default:
 808             FIXME("unknown chunk type \"%.04s\" ignored\n", (LPSTR)&pChunk->fcc);
 809         }
 810     }
 811
 812     if (IsEqualGUID(&amt.formattype, &FORMAT_WaveFormatEx))
 813     {
 814         memcpy(&amt.subtype, &MEDIATYPE_Video, sizeof(GUID));
 815         amt.subtype.Data1 = ((WAVEFORMATEX *)amt.pbFormat)->wFormatTag;
 816     }
 817
 818     dump_AM_MEDIA_TYPE(&amt);
 819     FIXME("fSamplesPerSec = %f\n", (double)fSamplesPerSec);
 820     FIXME("dwSampleSize = %lx\n", dwSampleSize);
 821     FIXME("dwLength = %lx\n", dwLength);
 822
 823     ppOldPins = This->ppPins;
 824
 825     This->ppPins = HeapAlloc(GetProcessHeap(), 0, (This->cStreams + 2) * sizeof(IPin *));
 826     memcpy(This->ppPins, ppOldPins, (This->cStreams + 1) * sizeof(IPin *));
 827
 828     hr = AVISplitter_OutputPin_Construct(&piOutput, &props, NULL, AVISplitter_OutputPin_QueryAccept, &amt, fSamplesPerSec, &This->csFilter, This->ppPins + This->cStreams + 1);
 829
 830     if (SUCCEEDED(hr))
 831     {
 832         ((AVISplitter_OutputPin *)(This->ppPins[This->cStreams + 1]))->dwSampleSize = dwSampleSize;
 833         ((AVISplitter_OutputPin *)(This->ppPins[This->cStreams + 1]))->dwLength = dwLength;
 834         ((AVISplitter_OutputPin *)(This->ppPins[This->cStreams + 1]))->pin.pin.pUserData = (LPVOID)This->ppPins[This->cStreams + 1];
 835         This->cStreams++;
 836         HeapFree(GetProcessHeap(), 0, ppOldPins);
 837     }
 838     else
 839     {
 840         HeapFree(GetProcessHeap(), 0, This->ppPins);
 841         This->ppPins = ppOldPins;
 842         ERR("Failed with error %lx\n", hr);
 843     }
 844
 845     return hr;
 846 }
 847
 848 static HRESULT AVISplitter_RemoveOutputPins(AVISplitter * This)
 849 {
 850     /* NOTE: should be in critical section when calling this function */
 851
 852     ULONG i;
 853     IPin ** ppOldPins = This->ppPins;
 854
 855     /* reduce the pin array down to 1 (just our input pin) */
 856     This->ppPins = HeapAlloc(GetProcessHeap(), 0, sizeof(IPin *) * 1);
 857     memcpy(This->ppPins, ppOldPins, sizeof(IPin *) * 1);
 858
 859     for (i = 0; i < This->cStreams; i++)
 860     {
 861         OutputPin_DeliverDisconnect((OutputPin *)ppOldPins[i + 1]);
 862         IPin_Release(ppOldPins[i + 1]);
 863     }
 864
 865     This->cStreams = 0;
 866     HeapFree(GetProcessHeap(), 0, ppOldPins);
 867
 868     return S_OK;
 869 }
 870
 871 /* FIXME: fix leaks on failure here */
 872 static HRESULT AVISplitter_InputPin_PreConnect(IPin * iface, IPin * pConnectPin)
 873 {
 874     ICOM_THIS(PullPin, iface);
 875     HRESULT hr;
 876     RIFFLIST list;
 877     LONGLONG pos = 0; /* in bytes */
 878     BYTE * pBuffer;
 879     RIFFCHUNK * pCurrentChunk;
 880     AVISplitter * pAviSplit = (AVISplitter *)This->pin.pinInfo.pFilter;
 881
 882     hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
 883     pos += sizeof(list);
 884
 885     if (list.fcc != ckidRIFF)
 886     {
 887         ERR("Input stream not a RIFF file\n");
 888         return E_FAIL;
 889     }
 890     if (list.cb > 1 * 1024 * 1024 * 1024) /* cannot be more than 1Gb in size */
 891     {
 892         ERR("Input stream violates RIFF spec\n");
 893         return E_FAIL;
 894     }
 895     if (list.fccListType != ckidAVI)
 896     {
 897         ERR("Input stream not an AVI RIFF file\n");
 898         return E_FAIL;
 899     }
 900
 901     hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
 902     if (list.fcc != ckidLIST)
 903     {
 904         ERR("Expected LIST chunk, but got %.04s\n", (LPSTR)&list.fcc);
 905         return E_FAIL;
 906     }
 907     if (list.fccListType != ckidHEADERLIST)
 908     {
 909         ERR("Header list expected. Got: %.04s\n", (LPSTR)&list.fccListType);
 910         return E_FAIL;
 911     }
 912
 913     pBuffer = HeapAlloc(GetProcessHeap(), 0, list.cb - sizeof(RIFFLIST) + sizeof(RIFFCHUNK));
 914     hr = IAsyncReader_SyncRead(This->pReader, pos + sizeof(list), list.cb - sizeof(RIFFLIST) + sizeof(RIFFCHUNK), pBuffer);
 915
 916     pAviSplit->AviHeader.cb = 0;
 917
 918     for (pCurrentChunk = (RIFFCHUNK *)pBuffer; (BYTE *)pCurrentChunk + sizeof(*pCurrentChunk) < pBuffer + list.cb; pCurrentChunk = (RIFFCHUNK *)(((BYTE *)pCurrentChunk) + sizeof(*pCurrentChunk) + pCurrentChunk->cb))
 919     {
 920         RIFFLIST * pList;
 921
 922         switch (pCurrentChunk->fcc)
 923         {
 924         case ckidMAINAVIHEADER:
 925             /* AVIMAINHEADER includes the structure that is pCurrentChunk at the moment */
 926             memcpy(&pAviSplit->AviHeader, pCurrentChunk, sizeof(pAviSplit->AviHeader));
 927             break;
 928         case ckidLIST:
 929             pList = (RIFFLIST *)pCurrentChunk;
 930             switch (pList->fccListType)
 931             {
 932             case ckidSTREAMLIST:
 933                 hr = AVISplitter_ProcessStreamList(pAviSplit, (BYTE *)pCurrentChunk + sizeof(RIFFLIST), pCurrentChunk->cb + sizeof(RIFFCHUNK) - sizeof(RIFFLIST));
 934                 break;
 935             case ckidODML:
 936                 FIXME("process ODML header\n");
 937                 break;
 938             }
 939             break;
 940         case ckidJUNK:
 941             /* ignore */
 942             break;
 943         default:
 944             FIXME("unrecognised header list type: %.04s\n", (LPSTR)&pCurrentChunk->fcc);
 945         }
 946     }
 947     HeapFree(GetProcessHeap(), 0, pBuffer);
 948
 949     if (pAviSplit->AviHeader.cb != sizeof(pAviSplit->AviHeader) - sizeof(RIFFCHUNK))
 950     {
 951         ERR("Avi Header wrong size!\n");
 952         return E_FAIL;
 953     }
 954
 955     pos += sizeof(RIFFCHUNK) + list.cb;
 956     hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
 957
 958     if (list.fcc == ckidJUNK)
 959     {
 960         pos += sizeof(RIFFCHUNK) + list.cb;
 961         hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
 962     }
 963
 964     if (list.fcc != ckidLIST)
 965     {
 966         ERR("Expected LIST, but got %.04s\n", (LPSTR)&list.fcc);
 967         return E_FAIL;
 968     }
 969     if (list.fccListType != ckidAVIMOVIE)
 970     {
 971         ERR("Expected AVI movie list, but got %.04s\n", (LPSTR)&list.fccListType);
 972         return E_FAIL;
 973     }
 974
 975     if (hr == S_OK)
 976     {
 977         pAviSplit->CurrentChunkOffset = MEDIATIME_FROM_BYTES(pos + sizeof(RIFFLIST));
 978         pAviSplit->EndOfFile = MEDIATIME_FROM_BYTES(pos + list.cb + sizeof(RIFFLIST));
 979         hr = IAsyncReader_SyncRead(This->pReader, BYTES_FROM_MEDIATIME(pAviSplit->CurrentChunkOffset), sizeof(pAviSplit->CurrentChunk), (BYTE *)&pAviSplit->CurrentChunk);
 980     }
 981
 982     if (hr != S_OK)
 983         return E_FAIL;
 984
 985     TRACE("AVI File ok\n");
 986
 987     return hr;
 988 }
 989
 990 static HRESULT AVISplitter_ChangeStart(LPVOID iface)
 991 {
 992     FIXME("(%p)\n", iface);
 993     return S_OK;
 994 }
 995
 996 static HRESULT AVISplitter_ChangeStop(LPVOID iface)
 997 {
 998     FIXME("(%p)\n", iface);
 999     return S_OK;
1000 }
1001
1002 static HRESULT AVISplitter_ChangeRate(LPVOID iface)
1003 {
1004     FIXME("(%p)\n", iface);
1005     return S_OK;
1006 }
1007
1008
1009 static HRESULT WINAPI AVISplitter_Seeking_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
1010 {
1011     ICOM_THIS_From_IMediaSeeking(AVISplitter_OutputPin, iface);
1012
1013     return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
1014 }
1015
1016 static ULONG WINAPI AVISplitter_Seeking_AddRef(IMediaSeeking * iface)
1017 {
1018     ICOM_THIS_From_IMediaSeeking(AVISplitter_OutputPin, iface);
1019
1020     return IUnknown_AddRef((IUnknown *)This);
1021 }
1022
1023 static ULONG WINAPI AVISplitter_Seeking_Release(IMediaSeeking * iface)
1024 {
1025     ICOM_THIS_From_IMediaSeeking(AVISplitter_OutputPin, iface);
1026
1027     return IUnknown_Release((IUnknown *)This);
1028 }
1029
1030 static const IMediaSeekingVtbl AVISplitter_Seeking_Vtbl =
1031 {
1032     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
1033     AVISplitter_Seeking_QueryInterface,
1034     AVISplitter_Seeking_AddRef,
1035     AVISplitter_Seeking_Release,
1036     MediaSeekingImpl_GetCapabilities,
1037     MediaSeekingImpl_CheckCapabilities,
1038     MediaSeekingImpl_IsFormatSupported,
1039     MediaSeekingImpl_QueryPreferredFormat,
1040     MediaSeekingImpl_GetTimeFormat,
1041     MediaSeekingImpl_IsUsingTimeFormat,
1042     MediaSeekingImpl_SetTimeFormat,
1043     MediaSeekingImpl_GetDuration,
1044     MediaSeekingImpl_GetStopPosition,
1045     MediaSeekingImpl_GetCurrentPosition,
1046     MediaSeekingImpl_ConvertTimeFormat,
1047     MediaSeekingImpl_SetPositions,
1048     MediaSeekingImpl_GetPositions,
1049     MediaSeekingImpl_GetAvailable,
1050     MediaSeekingImpl_SetRate,
1051     MediaSeekingImpl_GetRate,
1052     MediaSeekingImpl_GetPreroll
1053 };
1054
1055 HRESULT WINAPI AVISplitter_OutputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
1056 {
1057     ICOM_THIS(AVISplitter_OutputPin, iface);
1058
1059     TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
1060
1061     *ppv = NULL;
1062
1063     if (IsEqualIID(riid, &IID_IUnknown))
1064         *ppv = (LPVOID)iface;
1065     else if (IsEqualIID(riid, &IID_IPin))
1066         *ppv = (LPVOID)iface;
1067     else if (IsEqualIID(riid, &IID_IMediaSeeking))
1068         *ppv = (LPVOID)&This->mediaSeeking;
1069
1070     if (*ppv)
1071     {
1072         IUnknown_AddRef((IUnknown *)(*ppv));
1073         return S_OK;
1074     }
1075
1076     FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
1077
1078     return E_NOINTERFACE;
1079 }
1080
1081 static ULONG WINAPI AVISplitter_OutputPin_Release(IPin * iface)
1082 {
1083     ICOM_THIS(AVISplitter_OutputPin, iface);
1084
1085     TRACE("()\n");
1086
1087     if (!InterlockedDecrement(&This->pin.pin.refCount))
1088     {
1089         DeleteMediaType(This->pmt);
1090         CoTaskMemFree(This->pmt);
1091         DeleteMediaType(&This->pin.pin.mtCurrent);
1092         CoTaskMemFree(This);
1093         return 0;
1094     }
1095     return This->pin.pin.refCount;
1096 }
1097
1098 static HRESULT WINAPI AVISplitter_OutputPin_EnumMediaTypes(IPin * iface, IEnumMediaTypes ** ppEnum)
1099 {
1100     ENUMMEDIADETAILS emd;
1101     ICOM_THIS(AVISplitter_OutputPin, iface);
1102
1103     TRACE("(%p)\n", ppEnum);
1104
1105     /* override this method to allow enumeration of your types */
1106     emd.cMediaTypes = 1;
1107     emd.pMediaTypes = This->pmt;
1108
1109     return IEnumMediaTypesImpl_Construct(&emd, ppEnum);
1110 }
1111
1112 static HRESULT AVISplitter_OutputPin_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
1113 {
1114     ICOM_THIS(AVISplitter_OutputPin, iface);
1115
1116     TRACE("()\n");
1117     dump_AM_MEDIA_TYPE(pmt);
1118
1119     return (memcmp(This->pmt, pmt, sizeof(AM_MEDIA_TYPE)) == 0);
1120 }
1121
1122 static const IPinVtbl AVISplitter_OutputPin_Vtbl =
1123 {
1124     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
1125     AVISplitter_OutputPin_QueryInterface,
1126     IPinImpl_AddRef,
1127     AVISplitter_OutputPin_Release,
1128     OutputPin_Connect,
1129     OutputPin_ReceiveConnection,
1130     OutputPin_Disconnect,
1131     IPinImpl_ConnectedTo,
1132     IPinImpl_ConnectionMediaType,
1133     IPinImpl_QueryPinInfo,
1134     IPinImpl_QueryDirection,
1135     IPinImpl_QueryId,
1136     IPinImpl_QueryAccept,
1137     AVISplitter_OutputPin_EnumMediaTypes,
1138     IPinImpl_QueryInternalConnections,
1139     OutputPin_EndOfStream,
1140     OutputPin_BeginFlush,
1141     OutputPin_EndFlush,
1142     OutputPin_NewSegment
1143 };
1144
1145 static HRESULT AVISplitter_InputPin_Construct(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
1146 {
1147     PullPin * pPinImpl;
1148
1149     *ppPin = NULL;
1150
1151     if (pPinInfo->dir != PINDIR_INPUT)
1152     {
1153         ERR("Pin direction(%x) != PINDIR_INPUT\n", pPinInfo->dir);
1154         return E_INVALIDARG;
1155     }
1156
1157     pPinImpl = CoTaskMemAlloc(sizeof(*pPinImpl));
1158
1159     if (!pPinImpl)
1160         return E_OUTOFMEMORY;
1161
1162     if (SUCCEEDED(PullPin_Init(pPinInfo, pSampleProc, pUserData, pQueryAccept, pCritSec, pPinImpl)))
1163     {
1164         pPinImpl->pin.lpVtbl = &AVISplitter_InputPin_Vtbl;
1165
1166         *ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
1167         return S_OK;
1168     }
1169     return E_FAIL;
1170 }
1171
1172 static HRESULT WINAPI AVISplitter_InputPin_Disconnect(IPin * iface)
1173 {
1174     HRESULT hr;
1175     ICOM_THIS(IPinImpl, iface);
1176
1177     TRACE("()\n");
1178
1179     EnterCriticalSection(This->pCritSec);
1180     {
1181         if (This->pConnectedTo)
1182         {
1183             FILTER_STATE state;
1184
1185             hr = IBaseFilter_GetState(This->pinInfo.pFilter, 0, &state);
1186
1187             if (SUCCEEDED(hr) && (state == State_Stopped))
1188             {
1189                 IPin_Release(This->pConnectedTo);
1190                 This->pConnectedTo = NULL;
1191                 hr = AVISplitter_RemoveOutputPins((AVISplitter *)This->pinInfo.pFilter);
1192             }
1193             else
1194                 hr = VFW_E_NOT_STOPPED;
1195         }
1196         else
1197             hr = S_FALSE;
1198     }
1199     LeaveCriticalSection(This->pCritSec);
1200
1201     return hr;
1202 }
1203
1204 static const IPinVtbl AVISplitter_InputPin_Vtbl =
1205 {
1206     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
1207     PullPin_QueryInterface,
1208     IPinImpl_AddRef,
1209     PullPin_Release,
1210     OutputPin_Connect,
1211     PullPin_ReceiveConnection,
1212     AVISplitter_InputPin_Disconnect,
1213     IPinImpl_ConnectedTo,
1214     IPinImpl_ConnectionMediaType,
1215     IPinImpl_QueryPinInfo,
1216     IPinImpl_QueryDirection,
1217     IPinImpl_QueryId,
1218     IPinImpl_QueryAccept,
1219     IPinImpl_EnumMediaTypes,
1220     IPinImpl_QueryInternalConnections,
1221     PullPin_EndOfStream,
1222     PullPin_BeginFlush,
1223     PullPin_EndFlush,
1224     PullPin_NewSegment
1225 };