dlls/quartz/avisplit.c

   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         This->state = State_Stopped;
 268     }
 269     LeaveCriticalSection(&This->csFilter);
 270
 271     return hr;
 272 }
 273
 274 static HRESULT WINAPI AVISplitter_Pause(IBaseFilter * iface)
 275 {
 276     HRESULT hr = S_OK;
 277     BOOL bInit;
 278     ICOM_THIS(AVISplitter, iface);
 279
 280     TRACE("()\n");
 281
 282     EnterCriticalSection(&This->csFilter);
 283     {
 284         bInit = (This->state == State_Stopped);
 285         This->state = State_Paused;
 286     }
 287     LeaveCriticalSection(&This->csFilter);
 288
 289     if (bInit)
 290     {
 291         unsigned int i;
 292
 293         hr = PullPin_Seek(This->pInputPin, This->CurrentChunkOffset, This->EndOfFile);
 294
 295         if (SUCCEEDED(hr))
 296             hr = PullPin_InitProcessing(This->pInputPin);
 297
 298         if (SUCCEEDED(hr))
 299         {
 300             for (i = 1; i < This->cStreams + 1; i++)
 301             {
 302                 AVISplitter_OutputPin* StreamPin = (AVISplitter_OutputPin *)This->ppPins[i];
 303                 OutputPin_DeliverNewSegment((OutputPin *)This->ppPins[i], 0, (LONGLONG)ceil(10000000.0 * (float)StreamPin->dwLength / StreamPin->fSamplesPerSec), 1.0);
 304                 StreamPin->mediaSeeking.llDuration = (LONGLONG)ceil(10000000.0 * (float)StreamPin->dwLength / StreamPin->fSamplesPerSec);
 305                 StreamPin->mediaSeeking.llStop = (LONGLONG)ceil(10000000.0 * (float)StreamPin->dwLength / StreamPin->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         This->state = State_Running;
 332     }
 333     LeaveCriticalSection(&This->csFilter);
 334
 335     return hr;
 336 }
 337
 338 static HRESULT WINAPI AVISplitter_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
 339 {
 340     ICOM_THIS(AVISplitter, iface);
 341
 342     TRACE("(%ld, %p)\n", dwMilliSecsTimeout, pState);
 343
 344     EnterCriticalSection(&This->csFilter);
 345     {
 346         *pState = This->state;
 347     }
 348     LeaveCriticalSection(&This->csFilter);
 349
 350     /* FIXME: this is a little bit unsafe, but I don't see that we can do this
 351      * while in the critical section. Maybe we could copy the pointer and addref in the
 352      * critical section and then release after this.
 353      */
 354     if (This->pInputPin && (PullPin_WaitForStateChange(This->pInputPin, dwMilliSecsTimeout) == S_FALSE))
 355         return VFW_S_STATE_INTERMEDIATE;
 356
 357     return S_OK;
 358 }
 359
 360 static HRESULT WINAPI AVISplitter_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
 361 {
 362     ICOM_THIS(AVISplitter, iface);
 363
 364     TRACE("(%p)\n", pClock);
 365
 366     EnterCriticalSection(&This->csFilter);
 367     {
 368         if (This->pClock)
 369             IReferenceClock_Release(This->pClock);
 370         This->pClock = pClock;
 371         if (This->pClock)
 372             IReferenceClock_AddRef(This->pClock);
 373     }
 374     LeaveCriticalSection(&This->csFilter);
 375
 376     return S_OK;
 377 }
 378
 379 static HRESULT WINAPI AVISplitter_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
 380 {
 381     ICOM_THIS(AVISplitter, iface);
 382
 383     TRACE("(%p)\n", ppClock);
 384
 385     EnterCriticalSection(&This->csFilter);
 386     {
 387         *ppClock = This->pClock;
 388         IReferenceClock_AddRef(This->pClock);
 389     }
 390     LeaveCriticalSection(&This->csFilter);
 391
 392     return S_OK;
 393 }
 394
 395 /** IBaseFilter implementation **/
 396
 397 static HRESULT WINAPI AVISplitter_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
 398 {
 399     ENUMPINDETAILS epd;
 400     ICOM_THIS(AVISplitter, iface);
 401
 402     TRACE("(%p)\n", ppEnum);
 403
 404     epd.cPins = This->cStreams + 1; /* +1 for input pin */
 405     epd.ppPins = This->ppPins;
 406     return IEnumPinsImpl_Construct(&epd, ppEnum);
 407 }
 408
 409 static HRESULT WINAPI AVISplitter_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
 410 {
 411     FIXME("AVISplitter::FindPin(...)\n");
 412
 413     /* FIXME: critical section */
 414
 415     return E_NOTIMPL;
 416 }
 417
 418 static HRESULT WINAPI AVISplitter_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
 419 {
 420     ICOM_THIS(AVISplitter, iface);
 421
 422     TRACE("(%p)\n", pInfo);
 423
 424     strcpyW(pInfo->achName, This->filterInfo.achName);
 425     pInfo->pGraph = This->filterInfo.pGraph;
 426
 427     if (pInfo->pGraph)
 428         IFilterGraph_AddRef(pInfo->pGraph);
 429
 430     return S_OK;
 431 }
 432
 433 static HRESULT WINAPI AVISplitter_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
 434 {
 435     HRESULT hr = S_OK;
 436     ICOM_THIS(AVISplitter, iface);
 437
 438     TRACE("(%p, %s)\n", pGraph, debugstr_w(pName));
 439
 440     EnterCriticalSection(&This->csFilter);
 441     {
 442         if (pName)
 443             strcpyW(This->filterInfo.achName, pName);
 444         else
 445             *This->filterInfo.achName = '\0';
 446         This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
 447     }
 448     LeaveCriticalSection(&This->csFilter);
 449
 450     return hr;
 451 }
 452
 453 static HRESULT WINAPI AVISplitter_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
 454 {
 455     TRACE("(%p)\n", pVendorInfo);
 456     return E_NOTIMPL;
 457 }
 458
 459 static const IBaseFilterVtbl AVISplitter_Vtbl =
 460 {
 461     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 462     AVISplitter_QueryInterface,
 463     AVISplitter_AddRef,
 464     AVISplitter_Release,
 465     AVISplitter_GetClassID,
 466     AVISplitter_Stop,
 467     AVISplitter_Pause,
 468     AVISplitter_Run,
 469     AVISplitter_GetState,
 470     AVISplitter_SetSyncSource,
 471     AVISplitter_GetSyncSource,
 472     AVISplitter_EnumPins,
 473     AVISplitter_FindPin,
 474     AVISplitter_QueryFilterInfo,
 475     AVISplitter_JoinFilterGraph,
 476     AVISplitter_QueryVendorInfo
 477 };
 478
 479 static HRESULT AVISplitter_NextChunk(LONGLONG * pllCurrentChunkOffset, RIFFCHUNK * pCurrentChunk, const REFERENCE_TIME * tStart, const REFERENCE_TIME * tStop, const BYTE * pbSrcStream)
 480 {
 481     *pllCurrentChunkOffset += MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK) + RIFFROUND(pCurrentChunk->cb));
 482
 483     if (*pllCurrentChunkOffset > *tStop)
 484         return S_FALSE; /* no more data - we couldn't even get the next chunk header! */
 485     else if (*pllCurrentChunkOffset + MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK)) >= *tStop)
 486     {
 487         memcpy(pCurrentChunk, pbSrcStream + (DWORD)BYTES_FROM_MEDIATIME(*pllCurrentChunkOffset - *tStart), (DWORD)BYTES_FROM_MEDIATIME(*tStop - *pllCurrentChunkOffset));
 488         return S_FALSE; /* no more data */
 489     }
 490     else
 491         memcpy(pCurrentChunk, pbSrcStream + (DWORD)BYTES_FROM_MEDIATIME(*pllCurrentChunkOffset - *tStart), sizeof(RIFFCHUNK));
 492
 493     return S_OK;
 494 }
 495
 496 static HRESULT AVISplitter_Sample(LPVOID iface, IMediaSample * pSample)
 497 {
 498     ICOM_THIS(AVISplitter, iface);
 499     LPBYTE pbSrcStream = NULL;
 500     long cbSrcStream = 0;
 501     REFERENCE_TIME tStart, tStop;
 502     HRESULT hr;
 503     BOOL bMoreData = TRUE;
 504
 505     hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
 506
 507     hr = IMediaSample_GetTime(pSample, &tStart, &tStop);
 508
 509     cbSrcStream = IMediaSample_GetActualDataLength(pSample);
 510
 511     /* trace removed for performance reasons */
 512 /*  TRACE("(%p)\n", pSample); */
 513
 514     assert(BYTES_FROM_MEDIATIME(tStop - tStart) == cbSrcStream);
 515
 516     if (This->CurrentChunkOffset <= tStart && This->CurrentChunkOffset + MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK)) > tStart)
 517     {
 518         DWORD offset = (DWORD)BYTES_FROM_MEDIATIME(tStart - This->CurrentChunkOffset);
 519         assert(offset <= sizeof(RIFFCHUNK));
 520         memcpy((BYTE *)&This->CurrentChunk + offset, pbSrcStream, sizeof(RIFFCHUNK) - offset);
 521     }
 522     else if (This->CurrentChunkOffset > tStart)
 523     {
 524         DWORD offset = (DWORD)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset - tStart);
 525         if (offset >= (DWORD)cbSrcStream)
 526         {
 527             FIXME("large offset\n");
 528             return S_OK;
 529         }
 530
 531         memcpy(&This->CurrentChunk, pbSrcStream + offset, sizeof(RIFFCHUNK));
 532     }
 533
 534     assert(This->CurrentChunkOffset + MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK)) < tStop);
 535
 536     while (bMoreData)
 537     {
 538         BYTE * pbDstStream;
 539         long cbDstStream;
 540         long chunk_remaining_bytes = 0;
 541         long offset_src;
 542         WORD streamId;
 543         AVISplitter_OutputPin * pOutputPin;
 544         BOOL bSyncPoint = TRUE;
 545
 546         if (This->CurrentChunkOffset >= tStart)
 547             offset_src = (long)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset - tStart) + sizeof(RIFFCHUNK);
 548         else
 549             offset_src = 0;
 550
 551         switch (This->CurrentChunk.fcc)
 552         {
 553         case ckidJUNK:
 554         case aviFCC('i','d','x','1'): /* Index is not handled */
 555             /* silently ignore */
 556             if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream))
 557                 bMoreData = FALSE;
 558             continue;
 559         case ckidLIST:
 560             /* We only handle the 'rec ' list which contains the stream data */
 561             if ((*(DWORD*)(pbSrcStream + BYTES_FROM_MEDIATIME(This->CurrentChunkOffset-tStart) + sizeof(RIFFCHUNK))) == aviFCC('r','e','c',' '))
 562             {
 563                 /* FIXME: We only advanced to the first chunk inside the list without keeping track that we are in it.
 564                  *        This is not clean and the parser should be improved for that but it is enough for most AVI files. */
 565                 This->CurrentChunkOffset = MEDIATIME_FROM_BYTES(BYTES_FROM_MEDIATIME(This->CurrentChunkOffset) + sizeof(RIFFLIST));
 566                 This->CurrentChunk = *(RIFFCHUNK*) (pbSrcStream + BYTES_FROM_MEDIATIME(This->CurrentChunkOffset-tStart));
 567                 break;
 568             }
 569             else if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream))
 570                 bMoreData = FALSE;
 571             continue;
 572         default:
 573             break;
 574 #if 0 /* According to the AVI specs, a stream data chunk should be ABXX where AB is the stream number and X means don't care */
 575             switch (TWOCCFromFOURCC(This->CurrentChunk.fcc))
 576             {
 577             case cktypeDIBcompressed:
 578                 bSyncPoint = FALSE;
 579                 /* fall-through */
 580             case cktypeDIBbits:
 581                 /* FIXME: check that pin is of type video */
 582                 break;
 583             case cktypeWAVEbytes:
 584                 /* FIXME: check that pin is of type audio */
 585                 break;
 586             case cktypePALchange:
 587                 FIXME("handle palette change\n");
 588                 break;
 589             default:
 590                 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));
 591                 if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream))
 592                     bMoreData = FALSE;
 593                 continue;
 594             }
 595 #endif
 596         }
 597
 598         streamId = StreamFromFOURCC(This->CurrentChunk.fcc);
 599
 600         if (streamId > This->cStreams)
 601         {
 602             ERR("Corrupted AVI file (contains stream id %d, but supposed to only have %ld streams)\n", streamId, This->cStreams);
 603             return E_FAIL;
 604         }
 605
 606         pOutputPin = (AVISplitter_OutputPin *)This->ppPins[streamId + 1];
 607
 608         if (!This->pCurrentSample)
 609         {
 610             /* cache media sample until it is ready to be despatched
 611              * (i.e. we reach the end of the chunk) */
 612             hr = OutputPin_GetDeliveryBuffer(&pOutputPin->pin, &This->pCurrentSample, NULL, NULL, 0);
 613
 614             if (SUCCEEDED(hr))
 615             {
 616                 hr = IMediaSample_SetActualDataLength(This->pCurrentSample, 0);
 617                 assert(hr == S_OK);
 618             }
 619             else
 620             {
 621                 TRACE("Skipping sending sample for stream %02d due to error (%lx)\n", streamId, hr);
 622                 This->pCurrentSample = NULL;
 623                 if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream))
 624                     bMoreData = FALSE;
 625                 continue;
 626             }
 627         }
 628
 629         hr = IMediaSample_GetPointer(This->pCurrentSample, &pbDstStream);
 630
 631         if (SUCCEEDED(hr))
 632         {
 633             cbDstStream = IMediaSample_GetSize(This->pCurrentSample);
 634
 635             chunk_remaining_bytes = (long)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset + MEDIATIME_FROM_BYTES(This->CurrentChunk.cb + sizeof(RIFFCHUNK)) - tStart) - offset_src;
 636
 637             assert(chunk_remaining_bytes >= 0);
 638             assert(chunk_remaining_bytes <= cbDstStream - IMediaSample_GetActualDataLength(This->pCurrentSample));
 639
 640             /* trace removed for performance reasons */
 641 /*          TRACE("chunk_remaining_bytes: 0x%lx, cbSrcStream: 0x%lx, offset_src: 0x%lx\n", chunk_remaining_bytes, cbSrcStream, offset_src); */
 642         }
 643
 644         if (chunk_remaining_bytes <= cbSrcStream - offset_src)
 645         {
 646             if (SUCCEEDED(hr))
 647             {
 648                 memcpy(pbDstStream + IMediaSample_GetActualDataLength(This->pCurrentSample), pbSrcStream + offset_src, chunk_remaining_bytes);
 649                 hr = IMediaSample_SetActualDataLength(This->pCurrentSample, chunk_remaining_bytes + IMediaSample_GetActualDataLength(This->pCurrentSample));
 650                 assert(hr == S_OK);
 651             }
 652
 653             if (SUCCEEDED(hr))
 654             {
 655                 REFERENCE_TIME tAviStart, tAviStop;
 656
 657                 /* FIXME: hack */
 658                 if (pOutputPin->dwSamplesProcessed == 0)
 659                     IMediaSample_SetDiscontinuity(This->pCurrentSample, TRUE);
 660
 661                 IMediaSample_SetSyncPoint(This->pCurrentSample, bSyncPoint);
 662
 663                 pOutputPin->dwSamplesProcessed++;
 664
 665                 if (pOutputPin->dwSampleSize)
 666                     tAviStart = (LONGLONG)ceil(10000000.0 * (float)(pOutputPin->dwSamplesProcessed - 1) * (float)IMediaSample_GetActualDataLength(This->pCurrentSample) / ((float)pOutputPin->dwSampleSize * pOutputPin->fSamplesPerSec));
 667                 else
 668                     tAviStart = (LONGLONG)ceil(10000000.0 * (float)(pOutputPin->dwSamplesProcessed - 1) / (float)pOutputPin->fSamplesPerSec);
 669                 if (pOutputPin->dwSampleSize)
 670                     tAviStop = (LONGLONG)ceil(10000000.0 * (float)pOutputPin->dwSamplesProcessed * (float)IMediaSample_GetActualDataLength(This->pCurrentSample) / ((float)pOutputPin->dwSampleSize * pOutputPin->fSamplesPerSec));
 671                 else
 672                     tAviStop = (LONGLONG)ceil(10000000.0 * (float)pOutputPin->dwSamplesProcessed / (float)pOutputPin->fSamplesPerSec);
 673
 674                 IMediaSample_SetTime(This->pCurrentSample, &tAviStart, &tAviStop);
 675
 676                 hr = OutputPin_SendSample(&pOutputPin->pin, This->pCurrentSample);
 677                 if (hr != S_OK && hr != VFW_E_NOT_CONNECTED)
 678                     ERR("Error sending sample (%lx)\n", hr);
 679             }
 680
 681             /* If we have a sample that has not been delivered, release it */
 682             if (FAILED(hr) && This->pCurrentSample)
 683                 IMediaSample_Release(This->pCurrentSample);
 684
 685             This->pCurrentSample = NULL;
 686
 687             if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream))
 688                 bMoreData = FALSE;
 689         }
 690         else
 691         {
 692             if (SUCCEEDED(hr))
 693             {
 694                 memcpy(pbDstStream + IMediaSample_GetActualDataLength(This->pCurrentSample), pbSrcStream + offset_src, cbSrcStream - offset_src);
 695                 IMediaSample_SetActualDataLength(This->pCurrentSample, cbSrcStream - offset_src + IMediaSample_GetActualDataLength(This->pCurrentSample));
 696             }
 697             bMoreData = FALSE;
 698         }
 699     }
 700     return hr;
 701 }
 702
 703 static HRESULT AVISplitter_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
 704 {
 705     if (IsEqualIID(&pmt->majortype, &MEDIATYPE_Stream) && IsEqualIID(&pmt->subtype, &MEDIASUBTYPE_Avi))
 706         return S_OK;
 707     return S_FALSE;
 708 }
 709
 710 static HRESULT AVISplitter_ProcessStreamList(AVISplitter * This, const BYTE * pData, DWORD cb)
 711 {
 712     PIN_INFO piOutput;
 713     RIFFCHUNK * pChunk;
 714     IPin ** ppOldPins;
 715     HRESULT hr;
 716     AM_MEDIA_TYPE amt;
 717     float fSamplesPerSec = 0.0f;
 718     DWORD dwSampleSize = 0;
 719     DWORD dwLength = 0;
 720     ALLOCATOR_PROPERTIES props;
 721     static const WCHAR wszStreamTemplate[] = {'S','t','r','e','a','m',' ','%','0','2','d',0};
 722
 723     props.cbAlign = 1;
 724     props.cbPrefix = 0;
 725     props.cbBuffer = 0x20000;
 726     props.cBuffers = 2;
 727
 728     ZeroMemory(&amt, sizeof(amt));
 729     piOutput.dir = PINDIR_OUTPUT;
 730     piOutput.pFilter = (IBaseFilter *)This;
 731     wsprintfW(piOutput.achName, wszStreamTemplate, This->cStreams);
 732
 733     for (pChunk = (RIFFCHUNK *)pData; ((BYTE *)pChunk >= pData) && ((BYTE *)pChunk + sizeof(RIFFCHUNK) < pData + cb) && (pChunk->cb > 0); pChunk = (RIFFCHUNK *)((BYTE*)pChunk + sizeof(RIFFCHUNK) + pChunk->cb))
 734     {
 735         switch (pChunk->fcc)
 736         {
 737         case ckidSTREAMHEADER:
 738             {
 739                 const AVISTREAMHEADER * pStrHdr = (const AVISTREAMHEADER *)pChunk;
 740                 TRACE("processing stream header\n");
 741
 742                 fSamplesPerSec = (float)pStrHdr->dwRate / (float)pStrHdr->dwScale;
 743
 744                 switch (pStrHdr->fccType)
 745                 {
 746                 case streamtypeVIDEO:
 747                     memcpy(&amt.formattype, &FORMAT_VideoInfo, sizeof(GUID));
 748                     amt.pbFormat = NULL;
 749                     amt.cbFormat = 0;
 750                     break;
 751                 case streamtypeAUDIO:
 752                     memcpy(&amt.formattype, &FORMAT_WaveFormatEx, sizeof(GUID));
 753                     break;
 754                 default:
 755                     memcpy(&amt.formattype, &FORMAT_None, sizeof(GUID));
 756                 }
 757                 memcpy(&amt.majortype, &MEDIATYPE_Video, sizeof(GUID));
 758                 amt.majortype.Data1 = pStrHdr->fccType;
 759                 memcpy(&amt.subtype, &MEDIATYPE_Video, sizeof(GUID));
 760                 amt.subtype.Data1 = pStrHdr->fccHandler;
 761                 TRACE("Subtype FCC: %.04s\n", (LPSTR)&pStrHdr->fccHandler);
 762                 amt.lSampleSize = pStrHdr->dwSampleSize;
 763                 amt.bFixedSizeSamples = (amt.lSampleSize != 0);
 764
 765                 /* FIXME: Is this right? */
 766                 if (!amt.lSampleSize)
 767                 {
 768                     amt.lSampleSize = 1;
 769                     dwSampleSize = 1;
 770                 }
 771
 772                 amt.bTemporalCompression = IsEqualGUID(&amt.majortype, &MEDIATYPE_Video); /* FIXME? */
 773                 dwSampleSize = pStrHdr->dwSampleSize;
 774                 dwLength = pStrHdr->dwLength;
 775                 if (!dwLength)
 776                     dwLength = This->AviHeader.dwTotalFrames;
 777
 778                 if (pStrHdr->dwSuggestedBufferSize)
 779                     props.cbBuffer = pStrHdr->dwSuggestedBufferSize;
 780
 781                 break;
 782             }
 783         case ckidSTREAMFORMAT:
 784             TRACE("processing stream format data\n");
 785             if (IsEqualIID(&amt.formattype, &FORMAT_VideoInfo))
 786             {
 787                 VIDEOINFOHEADER * pvi;
 788                 /* biCompression member appears to override the value in the stream header.
 789                  * i.e. the stream header can say something completely contradictory to what
 790                  * is in the BITMAPINFOHEADER! */
 791                 if (pChunk->cb < sizeof(BITMAPINFOHEADER))
 792                 {
 793                     ERR("Not enough bytes for BITMAPINFOHEADER\n");
 794                     return E_FAIL;
 795                 }
 796                 amt.cbFormat = sizeof(VIDEOINFOHEADER) - sizeof(BITMAPINFOHEADER) + pChunk->cb;
 797                 amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
 798                 ZeroMemory(amt.pbFormat, amt.cbFormat);
 799                 pvi = (VIDEOINFOHEADER *)amt.pbFormat;
 800                 pvi->AvgTimePerFrame = (LONGLONG)(10000000.0 / fSamplesPerSec);
 801                 CopyMemory(&pvi->bmiHeader, (const BYTE *)(pChunk + 1), pChunk->cb);
 802                 if (pvi->bmiHeader.biCompression)
 803                     amt.subtype.Data1 = pvi->bmiHeader.biCompression;
 804             }
 805             else
 806             {
 807                 amt.cbFormat = pChunk->cb;
 808                 amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
 809                 CopyMemory(amt.pbFormat, (const BYTE *)(pChunk + 1), amt.cbFormat);
 810             }
 811             break;
 812         case ckidSTREAMNAME:
 813             TRACE("processing stream name\n");
 814             /* FIXME: this doesn't exactly match native version (we omit the "##)" prefix), but hey... */
 815             MultiByteToWideChar(CP_ACP, 0, (LPCSTR)(pChunk + 1), pChunk->cb, piOutput.achName, sizeof(piOutput.achName) / sizeof(piOutput.achName[0]));
 816             break;
 817         case ckidSTREAMHANDLERDATA:
 818             FIXME("process stream handler data\n");
 819             break;
 820         case ckidJUNK:
 821             TRACE("JUNK chunk ignored\n");
 822             break;
 823         default:
 824             FIXME("unknown chunk type \"%.04s\" ignored\n", (LPSTR)&pChunk->fcc);
 825         }
 826     }
 827
 828     if (IsEqualGUID(&amt.formattype, &FORMAT_WaveFormatEx))
 829     {
 830         memcpy(&amt.subtype, &MEDIATYPE_Video, sizeof(GUID));
 831         amt.subtype.Data1 = ((WAVEFORMATEX *)amt.pbFormat)->wFormatTag;
 832     }
 833
 834     dump_AM_MEDIA_TYPE(&amt);
 835     FIXME("fSamplesPerSec = %f\n", (double)fSamplesPerSec);
 836     FIXME("dwSampleSize = %lx\n", dwSampleSize);
 837     FIXME("dwLength = %lx\n", dwLength);
 838
 839     ppOldPins = This->ppPins;
 840
 841     This->ppPins = HeapAlloc(GetProcessHeap(), 0, (This->cStreams + 2) * sizeof(IPin *));
 842     memcpy(This->ppPins, ppOldPins, (This->cStreams + 1) * sizeof(IPin *));
 843
 844     hr = AVISplitter_OutputPin_Construct(&piOutput, &props, NULL, AVISplitter_OutputPin_QueryAccept, &amt, fSamplesPerSec, &This->csFilter, This->ppPins + This->cStreams + 1);
 845
 846     if (SUCCEEDED(hr))
 847     {
 848         ((AVISplitter_OutputPin *)(This->ppPins[This->cStreams + 1]))->dwSampleSize = dwSampleSize;
 849         ((AVISplitter_OutputPin *)(This->ppPins[This->cStreams + 1]))->dwLength = dwLength;
 850         ((AVISplitter_OutputPin *)(This->ppPins[This->cStreams + 1]))->pin.pin.pUserData = (LPVOID)This->ppPins[This->cStreams + 1];
 851         This->cStreams++;
 852         HeapFree(GetProcessHeap(), 0, ppOldPins);
 853     }
 854     else
 855     {
 856         HeapFree(GetProcessHeap(), 0, This->ppPins);
 857         This->ppPins = ppOldPins;
 858         ERR("Failed with error %lx\n", hr);
 859     }
 860
 861     return hr;
 862 }
 863
 864 static HRESULT AVISplitter_RemoveOutputPins(AVISplitter * This)
 865 {
 866     /* NOTE: should be in critical section when calling this function */
 867
 868     ULONG i;
 869     IPin ** ppOldPins = This->ppPins;
 870
 871     /* reduce the pin array down to 1 (just our input pin) */
 872     This->ppPins = HeapAlloc(GetProcessHeap(), 0, sizeof(IPin *) * 1);
 873     memcpy(This->ppPins, ppOldPins, sizeof(IPin *) * 1);
 874
 875     for (i = 0; i < This->cStreams; i++)
 876     {
 877         OutputPin_DeliverDisconnect((OutputPin *)ppOldPins[i + 1]);
 878         IPin_Release(ppOldPins[i + 1]);
 879     }
 880
 881     This->cStreams = 0;
 882     HeapFree(GetProcessHeap(), 0, ppOldPins);
 883
 884     return S_OK;
 885 }
 886
 887 /* FIXME: fix leaks on failure here */
 888 static HRESULT AVISplitter_InputPin_PreConnect(IPin * iface, IPin * pConnectPin)
 889 {
 890     ICOM_THIS(PullPin, iface);
 891     HRESULT hr;
 892     RIFFLIST list;
 893     LONGLONG pos = 0; /* in bytes */
 894     BYTE * pBuffer;
 895     RIFFCHUNK * pCurrentChunk;
 896     AVISplitter * pAviSplit = (AVISplitter *)This->pin.pinInfo.pFilter;
 897
 898     hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
 899     pos += sizeof(list);
 900
 901     if (list.fcc != ckidRIFF)
 902     {
 903         ERR("Input stream not a RIFF file\n");
 904         return E_FAIL;
 905     }
 906     if (list.cb > 1 * 1024 * 1024 * 1024) /* cannot be more than 1Gb in size */
 907     {
 908         ERR("Input stream violates RIFF spec\n");
 909         return E_FAIL;
 910     }
 911     if (list.fccListType != ckidAVI)
 912     {
 913         ERR("Input stream not an AVI RIFF file\n");
 914         return E_FAIL;
 915     }
 916
 917     hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
 918     if (list.fcc != ckidLIST)
 919     {
 920         ERR("Expected LIST chunk, but got %.04s\n", (LPSTR)&list.fcc);
 921         return E_FAIL;
 922     }
 923     if (list.fccListType != ckidHEADERLIST)
 924     {
 925         ERR("Header list expected. Got: %.04s\n", (LPSTR)&list.fccListType);
 926         return E_FAIL;
 927     }
 928
 929     pBuffer = HeapAlloc(GetProcessHeap(), 0, list.cb - sizeof(RIFFLIST) + sizeof(RIFFCHUNK));
 930     hr = IAsyncReader_SyncRead(This->pReader, pos + sizeof(list), list.cb - sizeof(RIFFLIST) + sizeof(RIFFCHUNK), pBuffer);
 931
 932     pAviSplit->AviHeader.cb = 0;
 933
 934     for (pCurrentChunk = (RIFFCHUNK *)pBuffer; (BYTE *)pCurrentChunk + sizeof(*pCurrentChunk) < pBuffer + list.cb; pCurrentChunk = (RIFFCHUNK *)(((BYTE *)pCurrentChunk) + sizeof(*pCurrentChunk) + pCurrentChunk->cb))
 935     {
 936         RIFFLIST * pList;
 937
 938         switch (pCurrentChunk->fcc)
 939         {
 940         case ckidMAINAVIHEADER:
 941             /* AVIMAINHEADER includes the structure that is pCurrentChunk at the moment */
 942             memcpy(&pAviSplit->AviHeader, pCurrentChunk, sizeof(pAviSplit->AviHeader));
 943             break;
 944         case ckidLIST:
 945             pList = (RIFFLIST *)pCurrentChunk;
 946             switch (pList->fccListType)
 947             {
 948             case ckidSTREAMLIST:
 949                 hr = AVISplitter_ProcessStreamList(pAviSplit, (BYTE *)pCurrentChunk + sizeof(RIFFLIST), pCurrentChunk->cb + sizeof(RIFFCHUNK) - sizeof(RIFFLIST));
 950                 break;
 951             case ckidODML:
 952                 FIXME("process ODML header\n");
 953                 break;
 954             }
 955             break;
 956         case ckidJUNK:
 957             /* ignore */
 958             break;
 959         default:
 960             FIXME("unrecognised header list type: %.04s\n", (LPSTR)&pCurrentChunk->fcc);
 961         }
 962     }
 963     HeapFree(GetProcessHeap(), 0, pBuffer);
 964
 965     if (pAviSplit->AviHeader.cb != sizeof(pAviSplit->AviHeader) - sizeof(RIFFCHUNK))
 966     {
 967         ERR("Avi Header wrong size!\n");
 968         return E_FAIL;
 969     }
 970
 971     pos += sizeof(RIFFCHUNK) + list.cb;
 972     hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
 973
 974     if (list.fcc == ckidJUNK)
 975     {
 976         pos += sizeof(RIFFCHUNK) + list.cb;
 977         hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
 978     }
 979
 980     if (list.fcc != ckidLIST)
 981     {
 982         ERR("Expected LIST, but got %.04s\n", (LPSTR)&list.fcc);
 983         return E_FAIL;
 984     }
 985     if (list.fccListType != ckidAVIMOVIE)
 986     {
 987         ERR("Expected AVI movie list, but got %.04s\n", (LPSTR)&list.fccListType);
 988         return E_FAIL;
 989     }
 990
 991     if (hr == S_OK)
 992     {
 993         pAviSplit->CurrentChunkOffset = MEDIATIME_FROM_BYTES(pos + sizeof(RIFFLIST));
 994         pAviSplit->EndOfFile = MEDIATIME_FROM_BYTES(pos + list.cb + sizeof(RIFFLIST));
 995         hr = IAsyncReader_SyncRead(This->pReader, BYTES_FROM_MEDIATIME(pAviSplit->CurrentChunkOffset), sizeof(pAviSplit->CurrentChunk), (BYTE *)&pAviSplit->CurrentChunk);
 996     }
 997
 998     if (hr != S_OK)
 999         return E_FAIL;
1000
1001     TRACE("AVI File ok\n");
1002
1003     return hr;
1004 }
1005
1006 static HRESULT AVISplitter_ChangeStart(LPVOID iface)
1007 {
1008     FIXME("(%p)\n", iface);
1009     return S_OK;
1010 }
1011
1012 static HRESULT AVISplitter_ChangeStop(LPVOID iface)
1013 {
1014     FIXME("(%p)\n", iface);
1015     return S_OK;
1016 }
1017
1018 static HRESULT AVISplitter_ChangeRate(LPVOID iface)
1019 {
1020     FIXME("(%p)\n", iface);
1021     return S_OK;
1022 }
1023
1024
1025 static HRESULT WINAPI AVISplitter_Seeking_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
1026 {
1027     ICOM_THIS_From_IMediaSeeking(AVISplitter_OutputPin, iface);
1028
1029     return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
1030 }
1031
1032 static ULONG WINAPI AVISplitter_Seeking_AddRef(IMediaSeeking * iface)
1033 {
1034     ICOM_THIS_From_IMediaSeeking(AVISplitter_OutputPin, iface);
1035
1036     return IUnknown_AddRef((IUnknown *)This);
1037 }
1038
1039 static ULONG WINAPI AVISplitter_Seeking_Release(IMediaSeeking * iface)
1040 {
1041     ICOM_THIS_From_IMediaSeeking(AVISplitter_OutputPin, iface);
1042
1043     return IUnknown_Release((IUnknown *)This);
1044 }
1045
1046 static const IMediaSeekingVtbl AVISplitter_Seeking_Vtbl =
1047 {
1048     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
1049     AVISplitter_Seeking_QueryInterface,
1050     AVISplitter_Seeking_AddRef,
1051     AVISplitter_Seeking_Release,
1052     MediaSeekingImpl_GetCapabilities,
1053     MediaSeekingImpl_CheckCapabilities,
1054     MediaSeekingImpl_IsFormatSupported,
1055     MediaSeekingImpl_QueryPreferredFormat,
1056     MediaSeekingImpl_GetTimeFormat,
1057     MediaSeekingImpl_IsUsingTimeFormat,
1058     MediaSeekingImpl_SetTimeFormat,
1059     MediaSeekingImpl_GetDuration,
1060     MediaSeekingImpl_GetStopPosition,
1061     MediaSeekingImpl_GetCurrentPosition,
1062     MediaSeekingImpl_ConvertTimeFormat,
1063     MediaSeekingImpl_SetPositions,
1064     MediaSeekingImpl_GetPositions,
1065     MediaSeekingImpl_GetAvailable,
1066     MediaSeekingImpl_SetRate,
1067     MediaSeekingImpl_GetRate,
1068     MediaSeekingImpl_GetPreroll
1069 };
1070
1071 HRESULT WINAPI AVISplitter_OutputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
1072 {
1073     ICOM_THIS(AVISplitter_OutputPin, iface);
1074
1075     TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
1076
1077     *ppv = NULL;
1078
1079     if (IsEqualIID(riid, &IID_IUnknown))
1080         *ppv = (LPVOID)iface;
1081     else if (IsEqualIID(riid, &IID_IPin))
1082         *ppv = (LPVOID)iface;
1083     else if (IsEqualIID(riid, &IID_IMediaSeeking))
1084         *ppv = (LPVOID)&This->mediaSeeking;
1085
1086     if (*ppv)
1087     {
1088         IUnknown_AddRef((IUnknown *)(*ppv));
1089         return S_OK;
1090     }
1091
1092     FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
1093
1094     return E_NOINTERFACE;
1095 }
1096
1097 static ULONG WINAPI AVISplitter_OutputPin_Release(IPin * iface)
1098 {
1099     ICOM_THIS(AVISplitter_OutputPin, iface);
1100
1101     TRACE("()\n");
1102
1103     if (!InterlockedDecrement(&This->pin.pin.refCount))
1104     {
1105         DeleteMediaType(This->pmt);
1106         CoTaskMemFree(This->pmt);
1107         DeleteMediaType(&This->pin.pin.mtCurrent);
1108         CoTaskMemFree(This);
1109         return 0;
1110     }
1111     return This->pin.pin.refCount;
1112 }
1113
1114 static HRESULT WINAPI AVISplitter_OutputPin_EnumMediaTypes(IPin * iface, IEnumMediaTypes ** ppEnum)
1115 {
1116     ENUMMEDIADETAILS emd;
1117     ICOM_THIS(AVISplitter_OutputPin, iface);
1118
1119     TRACE("(%p)\n", ppEnum);
1120
1121     /* override this method to allow enumeration of your types */
1122     emd.cMediaTypes = 1;
1123     emd.pMediaTypes = This->pmt;
1124
1125     return IEnumMediaTypesImpl_Construct(&emd, ppEnum);
1126 }
1127
1128 static HRESULT AVISplitter_OutputPin_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
1129 {
1130     ICOM_THIS(AVISplitter_OutputPin, iface);
1131
1132     TRACE("()\n");
1133     dump_AM_MEDIA_TYPE(pmt);
1134
1135     return (memcmp(This->pmt, pmt, sizeof(AM_MEDIA_TYPE)) == 0);
1136 }
1137
1138 static const IPinVtbl AVISplitter_OutputPin_Vtbl =
1139 {
1140     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
1141     AVISplitter_OutputPin_QueryInterface,
1142     IPinImpl_AddRef,
1143     AVISplitter_OutputPin_Release,
1144     OutputPin_Connect,
1145     OutputPin_ReceiveConnection,
1146     OutputPin_Disconnect,
1147     IPinImpl_ConnectedTo,
1148     IPinImpl_ConnectionMediaType,
1149     IPinImpl_QueryPinInfo,
1150     IPinImpl_QueryDirection,
1151     IPinImpl_QueryId,
1152     IPinImpl_QueryAccept,
1153     AVISplitter_OutputPin_EnumMediaTypes,
1154     IPinImpl_QueryInternalConnections,
1155     OutputPin_EndOfStream,
1156     OutputPin_BeginFlush,
1157     OutputPin_EndFlush,
1158     OutputPin_NewSegment
1159 };
1160
1161 static HRESULT AVISplitter_InputPin_Construct(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
1162 {
1163     PullPin * pPinImpl;
1164
1165     *ppPin = NULL;
1166
1167     if (pPinInfo->dir != PINDIR_INPUT)
1168     {
1169         ERR("Pin direction(%x) != PINDIR_INPUT\n", pPinInfo->dir);
1170         return E_INVALIDARG;
1171     }
1172
1173     pPinImpl = CoTaskMemAlloc(sizeof(*pPinImpl));
1174
1175     if (!pPinImpl)
1176         return E_OUTOFMEMORY;
1177
1178     if (SUCCEEDED(PullPin_Init(pPinInfo, pSampleProc, pUserData, pQueryAccept, pCritSec, pPinImpl)))
1179     {
1180         pPinImpl->pin.lpVtbl = &AVISplitter_InputPin_Vtbl;
1181
1182         *ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
1183         return S_OK;
1184     }
1185     return E_FAIL;
1186 }
1187
1188 static HRESULT WINAPI AVISplitter_InputPin_Disconnect(IPin * iface)
1189 {
1190     HRESULT hr;
1191     ICOM_THIS(IPinImpl, iface);
1192
1193     TRACE("()\n");
1194
1195     EnterCriticalSection(This->pCritSec);
1196     {
1197         if (This->pConnectedTo)
1198         {
1199             FILTER_STATE state;
1200
1201             hr = IBaseFilter_GetState(This->pinInfo.pFilter, 0, &state);
1202
1203             if (SUCCEEDED(hr) && (state == State_Stopped))
1204             {
1205                 IPin_Release(This->pConnectedTo);
1206                 This->pConnectedTo = NULL;
1207                 hr = AVISplitter_RemoveOutputPins((AVISplitter *)This->pinInfo.pFilter);
1208             }
1209             else
1210                 hr = VFW_E_NOT_STOPPED;
1211         }
1212         else
1213             hr = S_FALSE;
1214     }
1215     LeaveCriticalSection(This->pCritSec);
1216
1217     return hr;
1218 }
1219
1220 static const IPinVtbl AVISplitter_InputPin_Vtbl =
1221 {
1222     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
1223     PullPin_QueryInterface,
1224     IPinImpl_AddRef,
1225     PullPin_Release,
1226     OutputPin_Connect,
1227     PullPin_ReceiveConnection,
1228     AVISplitter_InputPin_Disconnect,
1229     IPinImpl_ConnectedTo,
1230     IPinImpl_ConnectionMediaType,
1231     IPinImpl_QueryPinInfo,
1232     IPinImpl_QueryDirection,
1233     IPinImpl_QueryId,
1234     IPinImpl_QueryAccept,
1235     IPinImpl_EnumMediaTypes,
1236     IPinImpl_QueryInternalConnections,
1237     PullPin_EndOfStream,
1238     PullPin_BeginFlush,
1239     PullPin_EndFlush,
1240     PullPin_NewSegment
1241 };