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     AVISplitter *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     AVISplitter *This = (AVISplitter *)iface;
 214     TRACE("()\n");
 215     return InterlockedIncrement(&This->refCount);
 216 }
 217
 218 static ULONG WINAPI AVISplitter_Release(IBaseFilter * iface)
 219 {
 220     AVISplitter *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     AVISplitter *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     AVISplitter *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     AVISplitter *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     AVISplitter *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     AVISplitter *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     AVISplitter *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     AVISplitter *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     AVISplitter *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     AVISplitter *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     AVISplitter_QueryInterface,
 462     AVISplitter_AddRef,
 463     AVISplitter_Release,
 464     AVISplitter_GetClassID,
 465     AVISplitter_Stop,
 466     AVISplitter_Pause,
 467     AVISplitter_Run,
 468     AVISplitter_GetState,
 469     AVISplitter_SetSyncSource,
 470     AVISplitter_GetSyncSource,
 471     AVISplitter_EnumPins,
 472     AVISplitter_FindPin,
 473     AVISplitter_QueryFilterInfo,
 474     AVISplitter_JoinFilterGraph,
 475     AVISplitter_QueryVendorInfo
 476 };
 477
 478 static HRESULT AVISplitter_NextChunk(LONGLONG * pllCurrentChunkOffset, RIFFCHUNK * pCurrentChunk, const REFERENCE_TIME * tStart, const REFERENCE_TIME * tStop, const BYTE * pbSrcStream)
 479 {
 480     *pllCurrentChunkOffset += MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK) + RIFFROUND(pCurrentChunk->cb));
 481
 482     if (*pllCurrentChunkOffset > *tStop)
 483         return S_FALSE; /* no more data - we couldn't even get the next chunk header! */
 484     else if (*pllCurrentChunkOffset + MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK)) >= *tStop)
 485     {
 486         memcpy(pCurrentChunk, pbSrcStream + (DWORD)BYTES_FROM_MEDIATIME(*pllCurrentChunkOffset - *tStart), (DWORD)BYTES_FROM_MEDIATIME(*tStop - *pllCurrentChunkOffset));
 487         return S_FALSE; /* no more data */
 488     }
 489     else
 490         memcpy(pCurrentChunk, pbSrcStream + (DWORD)BYTES_FROM_MEDIATIME(*pllCurrentChunkOffset - *tStart), sizeof(RIFFCHUNK));
 491
 492     return S_OK;
 493 }
 494
 495 static HRESULT AVISplitter_Sample(LPVOID iface, IMediaSample * pSample)
 496 {
 497     AVISplitter *This = (AVISplitter *)iface;
 498     LPBYTE pbSrcStream = NULL;
 499     long cbSrcStream = 0;
 500     REFERENCE_TIME tStart, tStop;
 501     HRESULT hr;
 502     BOOL bMoreData = TRUE;
 503
 504     hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
 505
 506     hr = IMediaSample_GetTime(pSample, &tStart, &tStop);
 507
 508     cbSrcStream = IMediaSample_GetActualDataLength(pSample);
 509
 510     /* trace removed for performance reasons */
 511 /*  TRACE("(%p)\n", pSample); */
 512
 513     assert(BYTES_FROM_MEDIATIME(tStop - tStart) == cbSrcStream);
 514
 515     if (This->CurrentChunkOffset <= tStart && This->CurrentChunkOffset + MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK)) > tStart)
 516     {
 517         DWORD offset = (DWORD)BYTES_FROM_MEDIATIME(tStart - This->CurrentChunkOffset);
 518         assert(offset <= sizeof(RIFFCHUNK));
 519         memcpy((BYTE *)&This->CurrentChunk + offset, pbSrcStream, sizeof(RIFFCHUNK) - offset);
 520     }
 521     else if (This->CurrentChunkOffset > tStart)
 522     {
 523         DWORD offset = (DWORD)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset - tStart);
 524         if (offset >= (DWORD)cbSrcStream)
 525         {
 526             FIXME("large offset\n");
 527             return S_OK;
 528         }
 529
 530         memcpy(&This->CurrentChunk, pbSrcStream + offset, sizeof(RIFFCHUNK));
 531     }
 532
 533     assert(This->CurrentChunkOffset + MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK)) < tStop);
 534
 535     while (bMoreData)
 536     {
 537         BYTE * pbDstStream;
 538         long cbDstStream;
 539         long chunk_remaining_bytes = 0;
 540         long offset_src;
 541         WORD streamId;
 542         AVISplitter_OutputPin * pOutputPin;
 543         BOOL bSyncPoint = TRUE;
 544
 545         if (This->CurrentChunkOffset >= tStart)
 546             offset_src = (long)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset - tStart) + sizeof(RIFFCHUNK);
 547         else
 548             offset_src = 0;
 549
 550         switch (This->CurrentChunk.fcc)
 551         {
 552         case ckidJUNK:
 553         case aviFCC('i','d','x','1'): /* Index is not handled */
 554             /* silently ignore */
 555             if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream))
 556                 bMoreData = FALSE;
 557             continue;
 558         case ckidLIST:
 559             /* We only handle the 'rec ' list which contains the stream data */
 560             if ((*(DWORD*)(pbSrcStream + BYTES_FROM_MEDIATIME(This->CurrentChunkOffset-tStart) + sizeof(RIFFCHUNK))) == aviFCC('r','e','c',' '))
 561             {
 562                 /* FIXME: We only advanced to the first chunk inside the list without keeping track that we are in it.
 563                  *        This is not clean and the parser should be improved for that but it is enough for most AVI files. */
 564                 This->CurrentChunkOffset = MEDIATIME_FROM_BYTES(BYTES_FROM_MEDIATIME(This->CurrentChunkOffset) + sizeof(RIFFLIST));
 565                 This->CurrentChunk = *(RIFFCHUNK*) (pbSrcStream + BYTES_FROM_MEDIATIME(This->CurrentChunkOffset-tStart));
 566                 break;
 567             }
 568             else if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream))
 569                 bMoreData = FALSE;
 570             continue;
 571         default:
 572             break;
 573 #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 */
 574             switch (TWOCCFromFOURCC(This->CurrentChunk.fcc))
 575             {
 576             case cktypeDIBcompressed:
 577                 bSyncPoint = FALSE;
 578                 /* fall-through */
 579             case cktypeDIBbits:
 580                 /* FIXME: check that pin is of type video */
 581                 break;
 582             case cktypeWAVEbytes:
 583                 /* FIXME: check that pin is of type audio */
 584                 break;
 585             case cktypePALchange:
 586                 FIXME("handle palette change\n");
 587                 break;
 588             default:
 589                 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));
 590                 if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream))
 591                     bMoreData = FALSE;
 592                 continue;
 593             }
 594 #endif
 595         }
 596
 597         streamId = StreamFromFOURCC(This->CurrentChunk.fcc);
 598
 599         if (streamId > This->cStreams)
 600         {
 601             ERR("Corrupted AVI file (contains stream id %d, but supposed to only have %ld streams)\n", streamId, This->cStreams);
 602             return E_FAIL;
 603         }
 604
 605         pOutputPin = (AVISplitter_OutputPin *)This->ppPins[streamId + 1];
 606
 607         if (!This->pCurrentSample)
 608         {
 609             /* cache media sample until it is ready to be despatched
 610              * (i.e. we reach the end of the chunk) */
 611             hr = OutputPin_GetDeliveryBuffer(&pOutputPin->pin, &This->pCurrentSample, NULL, NULL, 0);
 612
 613             if (SUCCEEDED(hr))
 614             {
 615                 hr = IMediaSample_SetActualDataLength(This->pCurrentSample, 0);
 616                 assert(hr == S_OK);
 617             }
 618             else
 619             {
 620                 TRACE("Skipping sending sample for stream %02d due to error (%lx)\n", streamId, hr);
 621                 This->pCurrentSample = NULL;
 622                 if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream))
 623                     bMoreData = FALSE;
 624                 continue;
 625             }
 626         }
 627
 628         hr = IMediaSample_GetPointer(This->pCurrentSample, &pbDstStream);
 629
 630         if (SUCCEEDED(hr))
 631         {
 632             cbDstStream = IMediaSample_GetSize(This->pCurrentSample);
 633
 634             chunk_remaining_bytes = (long)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset + MEDIATIME_FROM_BYTES(This->CurrentChunk.cb + sizeof(RIFFCHUNK)) - tStart) - offset_src;
 635
 636             assert(chunk_remaining_bytes >= 0);
 637             assert(chunk_remaining_bytes <= cbDstStream - IMediaSample_GetActualDataLength(This->pCurrentSample));
 638
 639             /* trace removed for performance reasons */
 640 /*          TRACE("chunk_remaining_bytes: 0x%lx, cbSrcStream: 0x%lx, offset_src: 0x%lx\n", chunk_remaining_bytes, cbSrcStream, offset_src); */
 641         }
 642
 643         if (chunk_remaining_bytes <= cbSrcStream - offset_src)
 644         {
 645             if (SUCCEEDED(hr))
 646             {
 647                 memcpy(pbDstStream + IMediaSample_GetActualDataLength(This->pCurrentSample), pbSrcStream + offset_src, chunk_remaining_bytes);
 648                 hr = IMediaSample_SetActualDataLength(This->pCurrentSample, chunk_remaining_bytes + IMediaSample_GetActualDataLength(This->pCurrentSample));
 649                 assert(hr == S_OK);
 650             }
 651
 652             if (SUCCEEDED(hr))
 653             {
 654                 REFERENCE_TIME tAviStart, tAviStop;
 655
 656                 /* FIXME: hack */
 657                 if (pOutputPin->dwSamplesProcessed == 0)
 658                     IMediaSample_SetDiscontinuity(This->pCurrentSample, TRUE);
 659
 660                 IMediaSample_SetSyncPoint(This->pCurrentSample, bSyncPoint);
 661
 662                 pOutputPin->dwSamplesProcessed++;
 663
 664                 if (pOutputPin->dwSampleSize)
 665                     tAviStart = (LONGLONG)ceil(10000000.0 * (float)(pOutputPin->dwSamplesProcessed - 1) * (float)IMediaSample_GetActualDataLength(This->pCurrentSample) / ((float)pOutputPin->dwSampleSize * pOutputPin->fSamplesPerSec));
 666                 else
 667                     tAviStart = (LONGLONG)ceil(10000000.0 * (float)(pOutputPin->dwSamplesProcessed - 1) / (float)pOutputPin->fSamplesPerSec);
 668                 if (pOutputPin->dwSampleSize)
 669                     tAviStop = (LONGLONG)ceil(10000000.0 * (float)pOutputPin->dwSamplesProcessed * (float)IMediaSample_GetActualDataLength(This->pCurrentSample) / ((float)pOutputPin->dwSampleSize * pOutputPin->fSamplesPerSec));
 670                 else
 671                     tAviStop = (LONGLONG)ceil(10000000.0 * (float)pOutputPin->dwSamplesProcessed / (float)pOutputPin->fSamplesPerSec);
 672
 673                 IMediaSample_SetTime(This->pCurrentSample, &tAviStart, &tAviStop);
 674
 675                 hr = OutputPin_SendSample(&pOutputPin->pin, This->pCurrentSample);
 676                 if (hr != S_OK && hr != VFW_E_NOT_CONNECTED)
 677                     ERR("Error sending sample (%lx)\n", hr);
 678             }
 679
 680             /* If we have a sample that has not been delivered, release it */
 681             if (FAILED(hr) && This->pCurrentSample)
 682                 IMediaSample_Release(This->pCurrentSample);
 683
 684             This->pCurrentSample = NULL;
 685
 686             if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream))
 687                 bMoreData = FALSE;
 688         }
 689         else
 690         {
 691             if (SUCCEEDED(hr))
 692             {
 693                 memcpy(pbDstStream + IMediaSample_GetActualDataLength(This->pCurrentSample), pbSrcStream + offset_src, cbSrcStream - offset_src);
 694                 IMediaSample_SetActualDataLength(This->pCurrentSample, cbSrcStream - offset_src + IMediaSample_GetActualDataLength(This->pCurrentSample));
 695             }
 696             bMoreData = FALSE;
 697         }
 698     }
 699     return hr;
 700 }
 701
 702 static HRESULT AVISplitter_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
 703 {
 704     if (IsEqualIID(&pmt->majortype, &MEDIATYPE_Stream) && IsEqualIID(&pmt->subtype, &MEDIASUBTYPE_Avi))
 705         return S_OK;
 706     return S_FALSE;
 707 }
 708
 709 static HRESULT AVISplitter_ProcessStreamList(AVISplitter * This, const BYTE * pData, DWORD cb)
 710 {
 711     PIN_INFO piOutput;
 712     RIFFCHUNK * pChunk;
 713     IPin ** ppOldPins;
 714     HRESULT hr;
 715     AM_MEDIA_TYPE amt;
 716     float fSamplesPerSec = 0.0f;
 717     DWORD dwSampleSize = 0;
 718     DWORD dwLength = 0;
 719     ALLOCATOR_PROPERTIES props;
 720     static const WCHAR wszStreamTemplate[] = {'S','t','r','e','a','m',' ','%','0','2','d',0};
 721
 722     props.cbAlign = 1;
 723     props.cbPrefix = 0;
 724     props.cbBuffer = 0x20000;
 725     props.cBuffers = 2;
 726
 727     ZeroMemory(&amt, sizeof(amt));
 728     piOutput.dir = PINDIR_OUTPUT;
 729     piOutput.pFilter = (IBaseFilter *)This;
 730     wsprintfW(piOutput.achName, wszStreamTemplate, This->cStreams);
 731
 732     for (pChunk = (RIFFCHUNK *)pData; ((BYTE *)pChunk >= pData) && ((BYTE *)pChunk + sizeof(RIFFCHUNK) < pData + cb) && (pChunk->cb > 0); pChunk = (RIFFCHUNK *)((BYTE*)pChunk + sizeof(RIFFCHUNK) + pChunk->cb))
 733     {
 734         switch (pChunk->fcc)
 735         {
 736         case ckidSTREAMHEADER:
 737             {
 738                 const AVISTREAMHEADER * pStrHdr = (const AVISTREAMHEADER *)pChunk;
 739                 TRACE("processing stream header\n");
 740
 741                 fSamplesPerSec = (float)pStrHdr->dwRate / (float)pStrHdr->dwScale;
 742
 743                 switch (pStrHdr->fccType)
 744                 {
 745                 case streamtypeVIDEO:
 746                     memcpy(&amt.formattype, &FORMAT_VideoInfo, sizeof(GUID));
 747                     amt.pbFormat = NULL;
 748                     amt.cbFormat = 0;
 749                     break;
 750                 case streamtypeAUDIO:
 751                     memcpy(&amt.formattype, &FORMAT_WaveFormatEx, sizeof(GUID));
 752                     break;
 753                 default:
 754                     memcpy(&amt.formattype, &FORMAT_None, sizeof(GUID));
 755                 }
 756                 memcpy(&amt.majortype, &MEDIATYPE_Video, sizeof(GUID));
 757                 amt.majortype.Data1 = pStrHdr->fccType;
 758                 memcpy(&amt.subtype, &MEDIATYPE_Video, sizeof(GUID));
 759                 amt.subtype.Data1 = pStrHdr->fccHandler;
 760                 TRACE("Subtype FCC: %.04s\n", (LPSTR)&pStrHdr->fccHandler);
 761                 amt.lSampleSize = pStrHdr->dwSampleSize;
 762                 amt.bFixedSizeSamples = (amt.lSampleSize != 0);
 763
 764                 /* FIXME: Is this right? */
 765                 if (!amt.lSampleSize)
 766                 {
 767                     amt.lSampleSize = 1;
 768                     dwSampleSize = 1;
 769                 }
 770
 771                 amt.bTemporalCompression = IsEqualGUID(&amt.majortype, &MEDIATYPE_Video); /* FIXME? */
 772                 dwSampleSize = pStrHdr->dwSampleSize;
 773                 dwLength = pStrHdr->dwLength;
 774                 if (!dwLength)
 775                     dwLength = This->AviHeader.dwTotalFrames;
 776
 777                 if (pStrHdr->dwSuggestedBufferSize)
 778                     props.cbBuffer = pStrHdr->dwSuggestedBufferSize;
 779
 780                 break;
 781             }
 782         case ckidSTREAMFORMAT:
 783             TRACE("processing stream format data\n");
 784             if (IsEqualIID(&amt.formattype, &FORMAT_VideoInfo))
 785             {
 786                 VIDEOINFOHEADER * pvi;
 787                 /* biCompression member appears to override the value in the stream header.
 788                  * i.e. the stream header can say something completely contradictory to what
 789                  * is in the BITMAPINFOHEADER! */
 790                 if (pChunk->cb < sizeof(BITMAPINFOHEADER))
 791                 {
 792                     ERR("Not enough bytes for BITMAPINFOHEADER\n");
 793                     return E_FAIL;
 794                 }
 795                 amt.cbFormat = sizeof(VIDEOINFOHEADER) - sizeof(BITMAPINFOHEADER) + pChunk->cb;
 796                 amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
 797                 ZeroMemory(amt.pbFormat, amt.cbFormat);
 798                 pvi = (VIDEOINFOHEADER *)amt.pbFormat;
 799                 pvi->AvgTimePerFrame = (LONGLONG)(10000000.0 / fSamplesPerSec);
 800                 CopyMemory(&pvi->bmiHeader, (const BYTE *)(pChunk + 1), pChunk->cb);
 801                 if (pvi->bmiHeader.biCompression)
 802                     amt.subtype.Data1 = pvi->bmiHeader.biCompression;
 803             }
 804             else
 805             {
 806                 amt.cbFormat = pChunk->cb;
 807                 amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
 808                 CopyMemory(amt.pbFormat, (const BYTE *)(pChunk + 1), amt.cbFormat);
 809             }
 810             break;
 811         case ckidSTREAMNAME:
 812             TRACE("processing stream name\n");
 813             /* FIXME: this doesn't exactly match native version (we omit the "##)" prefix), but hey... */
 814             MultiByteToWideChar(CP_ACP, 0, (LPCSTR)(pChunk + 1), pChunk->cb, piOutput.achName, sizeof(piOutput.achName) / sizeof(piOutput.achName[0]));
 815             break;
 816         case ckidSTREAMHANDLERDATA:
 817             FIXME("process stream handler data\n");
 818             break;
 819         case ckidJUNK:
 820             TRACE("JUNK chunk ignored\n");
 821             break;
 822         default:
 823             FIXME("unknown chunk type \"%.04s\" ignored\n", (LPSTR)&pChunk->fcc);
 824         }
 825     }
 826
 827     if (IsEqualGUID(&amt.formattype, &FORMAT_WaveFormatEx))
 828     {
 829         memcpy(&amt.subtype, &MEDIATYPE_Video, sizeof(GUID));
 830         amt.subtype.Data1 = ((WAVEFORMATEX *)amt.pbFormat)->wFormatTag;
 831     }
 832
 833     dump_AM_MEDIA_TYPE(&amt);
 834     FIXME("fSamplesPerSec = %f\n", (double)fSamplesPerSec);
 835     FIXME("dwSampleSize = %lx\n", dwSampleSize);
 836     FIXME("dwLength = %lx\n", dwLength);
 837
 838     ppOldPins = This->ppPins;
 839
 840     This->ppPins = HeapAlloc(GetProcessHeap(), 0, (This->cStreams + 2) * sizeof(IPin *));
 841     memcpy(This->ppPins, ppOldPins, (This->cStreams + 1) * sizeof(IPin *));
 842
 843     hr = AVISplitter_OutputPin_Construct(&piOutput, &props, NULL, AVISplitter_OutputPin_QueryAccept, &amt, fSamplesPerSec, &This->csFilter, This->ppPins + This->cStreams + 1);
 844
 845     if (SUCCEEDED(hr))
 846     {
 847         ((AVISplitter_OutputPin *)(This->ppPins[This->cStreams + 1]))->dwSampleSize = dwSampleSize;
 848         ((AVISplitter_OutputPin *)(This->ppPins[This->cStreams + 1]))->dwLength = dwLength;
 849         ((AVISplitter_OutputPin *)(This->ppPins[This->cStreams + 1]))->pin.pin.pUserData = (LPVOID)This->ppPins[This->cStreams + 1];
 850         This->cStreams++;
 851         HeapFree(GetProcessHeap(), 0, ppOldPins);
 852     }
 853     else
 854     {
 855         HeapFree(GetProcessHeap(), 0, This->ppPins);
 856         This->ppPins = ppOldPins;
 857         ERR("Failed with error %lx\n", hr);
 858     }
 859
 860     return hr;
 861 }
 862
 863 static HRESULT AVISplitter_RemoveOutputPins(AVISplitter * This)
 864 {
 865     /* NOTE: should be in critical section when calling this function */
 866
 867     ULONG i;
 868     IPin ** ppOldPins = This->ppPins;
 869
 870     /* reduce the pin array down to 1 (just our input pin) */
 871     This->ppPins = HeapAlloc(GetProcessHeap(), 0, sizeof(IPin *) * 1);
 872     memcpy(This->ppPins, ppOldPins, sizeof(IPin *) * 1);
 873
 874     for (i = 0; i < This->cStreams; i++)
 875     {
 876         OutputPin_DeliverDisconnect((OutputPin *)ppOldPins[i + 1]);
 877         IPin_Release(ppOldPins[i + 1]);
 878     }
 879
 880     This->cStreams = 0;
 881     HeapFree(GetProcessHeap(), 0, ppOldPins);
 882
 883     return S_OK;
 884 }
 885
 886 /* FIXME: fix leaks on failure here */
 887 static HRESULT AVISplitter_InputPin_PreConnect(IPin * iface, IPin * pConnectPin)
 888 {
 889     PullPin *This = (PullPin *)iface;
 890     HRESULT hr;
 891     RIFFLIST list;
 892     LONGLONG pos = 0; /* in bytes */
 893     BYTE * pBuffer;
 894     RIFFCHUNK * pCurrentChunk;
 895     AVISplitter * pAviSplit = (AVISplitter *)This->pin.pinInfo.pFilter;
 896
 897     hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
 898     pos += sizeof(list);
 899
 900     if (list.fcc != ckidRIFF)
 901     {
 902         ERR("Input stream not a RIFF file\n");
 903         return E_FAIL;
 904     }
 905     if (list.cb > 1 * 1024 * 1024 * 1024) /* cannot be more than 1Gb in size */
 906     {
 907         ERR("Input stream violates RIFF spec\n");
 908         return E_FAIL;
 909     }
 910     if (list.fccListType != ckidAVI)
 911     {
 912         ERR("Input stream not an AVI RIFF file\n");
 913         return E_FAIL;
 914     }
 915
 916     hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
 917     if (list.fcc != ckidLIST)
 918     {
 919         ERR("Expected LIST chunk, but got %.04s\n", (LPSTR)&list.fcc);
 920         return E_FAIL;
 921     }
 922     if (list.fccListType != ckidHEADERLIST)
 923     {
 924         ERR("Header list expected. Got: %.04s\n", (LPSTR)&list.fccListType);
 925         return E_FAIL;
 926     }
 927
 928     pBuffer = HeapAlloc(GetProcessHeap(), 0, list.cb - sizeof(RIFFLIST) + sizeof(RIFFCHUNK));
 929     hr = IAsyncReader_SyncRead(This->pReader, pos + sizeof(list), list.cb - sizeof(RIFFLIST) + sizeof(RIFFCHUNK), pBuffer);
 930
 931     pAviSplit->AviHeader.cb = 0;
 932
 933     for (pCurrentChunk = (RIFFCHUNK *)pBuffer; (BYTE *)pCurrentChunk + sizeof(*pCurrentChunk) < pBuffer + list.cb; pCurrentChunk = (RIFFCHUNK *)(((BYTE *)pCurrentChunk) + sizeof(*pCurrentChunk) + pCurrentChunk->cb))
 934     {
 935         RIFFLIST * pList;
 936
 937         switch (pCurrentChunk->fcc)
 938         {
 939         case ckidMAINAVIHEADER:
 940             /* AVIMAINHEADER includes the structure that is pCurrentChunk at the moment */
 941             memcpy(&pAviSplit->AviHeader, pCurrentChunk, sizeof(pAviSplit->AviHeader));
 942             break;
 943         case ckidLIST:
 944             pList = (RIFFLIST *)pCurrentChunk;
 945             switch (pList->fccListType)
 946             {
 947             case ckidSTREAMLIST:
 948                 hr = AVISplitter_ProcessStreamList(pAviSplit, (BYTE *)pCurrentChunk + sizeof(RIFFLIST), pCurrentChunk->cb + sizeof(RIFFCHUNK) - sizeof(RIFFLIST));
 949                 break;
 950             case ckidODML:
 951                 FIXME("process ODML header\n");
 952                 break;
 953             }
 954             break;
 955         case ckidJUNK:
 956             /* ignore */
 957             break;
 958         default:
 959             FIXME("unrecognised header list type: %.04s\n", (LPSTR)&pCurrentChunk->fcc);
 960         }
 961     }
 962     HeapFree(GetProcessHeap(), 0, pBuffer);
 963
 964     if (pAviSplit->AviHeader.cb != sizeof(pAviSplit->AviHeader) - sizeof(RIFFCHUNK))
 965     {
 966         ERR("Avi Header wrong size!\n");
 967         return E_FAIL;
 968     }
 969
 970     pos += sizeof(RIFFCHUNK) + list.cb;
 971     hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
 972
 973     if (list.fcc == ckidJUNK)
 974     {
 975         pos += sizeof(RIFFCHUNK) + list.cb;
 976         hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
 977     }
 978
 979     if (list.fcc != ckidLIST)
 980     {
 981         ERR("Expected LIST, but got %.04s\n", (LPSTR)&list.fcc);
 982         return E_FAIL;
 983     }
 984     if (list.fccListType != ckidAVIMOVIE)
 985     {
 986         ERR("Expected AVI movie list, but got %.04s\n", (LPSTR)&list.fccListType);
 987         return E_FAIL;
 988     }
 989
 990     if (hr == S_OK)
 991     {
 992         pAviSplit->CurrentChunkOffset = MEDIATIME_FROM_BYTES(pos + sizeof(RIFFLIST));
 993         pAviSplit->EndOfFile = MEDIATIME_FROM_BYTES(pos + list.cb + sizeof(RIFFLIST));
 994         hr = IAsyncReader_SyncRead(This->pReader, BYTES_FROM_MEDIATIME(pAviSplit->CurrentChunkOffset), sizeof(pAviSplit->CurrentChunk), (BYTE *)&pAviSplit->CurrentChunk);
 995     }
 996
 997     if (hr != S_OK)
 998         return E_FAIL;
 999
1000     TRACE("AVI File ok\n");
1001
1002     return hr;
1003 }
1004
1005 static HRESULT AVISplitter_ChangeStart(LPVOID iface)
1006 {
1007     FIXME("(%p)\n", iface);
1008     return S_OK;
1009 }
1010
1011 static HRESULT AVISplitter_ChangeStop(LPVOID iface)
1012 {
1013     FIXME("(%p)\n", iface);
1014     return S_OK;
1015 }
1016
1017 static HRESULT AVISplitter_ChangeRate(LPVOID iface)
1018 {
1019     FIXME("(%p)\n", iface);
1020     return S_OK;
1021 }
1022
1023
1024 static HRESULT WINAPI AVISplitter_Seeking_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
1025 {
1026     ICOM_THIS_From_IMediaSeeking(AVISplitter_OutputPin, iface);
1027
1028     return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
1029 }
1030
1031 static ULONG WINAPI AVISplitter_Seeking_AddRef(IMediaSeeking * iface)
1032 {
1033     ICOM_THIS_From_IMediaSeeking(AVISplitter_OutputPin, iface);
1034
1035     return IUnknown_AddRef((IUnknown *)This);
1036 }
1037
1038 static ULONG WINAPI AVISplitter_Seeking_Release(IMediaSeeking * iface)
1039 {
1040     ICOM_THIS_From_IMediaSeeking(AVISplitter_OutputPin, iface);
1041
1042     return IUnknown_Release((IUnknown *)This);
1043 }
1044
1045 static const IMediaSeekingVtbl AVISplitter_Seeking_Vtbl =
1046 {
1047     AVISplitter_Seeking_QueryInterface,
1048     AVISplitter_Seeking_AddRef,
1049     AVISplitter_Seeking_Release,
1050     MediaSeekingImpl_GetCapabilities,
1051     MediaSeekingImpl_CheckCapabilities,
1052     MediaSeekingImpl_IsFormatSupported,
1053     MediaSeekingImpl_QueryPreferredFormat,
1054     MediaSeekingImpl_GetTimeFormat,
1055     MediaSeekingImpl_IsUsingTimeFormat,
1056     MediaSeekingImpl_SetTimeFormat,
1057     MediaSeekingImpl_GetDuration,
1058     MediaSeekingImpl_GetStopPosition,
1059     MediaSeekingImpl_GetCurrentPosition,
1060     MediaSeekingImpl_ConvertTimeFormat,
1061     MediaSeekingImpl_SetPositions,
1062     MediaSeekingImpl_GetPositions,
1063     MediaSeekingImpl_GetAvailable,
1064     MediaSeekingImpl_SetRate,
1065     MediaSeekingImpl_GetRate,
1066     MediaSeekingImpl_GetPreroll
1067 };
1068
1069 HRESULT WINAPI AVISplitter_OutputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
1070 {
1071     AVISplitter_OutputPin *This = (AVISplitter_OutputPin *)iface;
1072
1073     TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
1074
1075     *ppv = NULL;
1076
1077     if (IsEqualIID(riid, &IID_IUnknown))
1078         *ppv = (LPVOID)iface;
1079     else if (IsEqualIID(riid, &IID_IPin))
1080         *ppv = (LPVOID)iface;
1081     else if (IsEqualIID(riid, &IID_IMediaSeeking))
1082         *ppv = (LPVOID)&This->mediaSeeking;
1083
1084     if (*ppv)
1085     {
1086         IUnknown_AddRef((IUnknown *)(*ppv));
1087         return S_OK;
1088     }
1089
1090     FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
1091
1092     return E_NOINTERFACE;
1093 }
1094
1095 static ULONG WINAPI AVISplitter_OutputPin_Release(IPin * iface)
1096 {
1097     AVISplitter_OutputPin *This = (AVISplitter_OutputPin *)iface;
1098
1099     TRACE("()\n");
1100
1101     if (!InterlockedDecrement(&This->pin.pin.refCount))
1102     {
1103         DeleteMediaType(This->pmt);
1104         CoTaskMemFree(This->pmt);
1105         DeleteMediaType(&This->pin.pin.mtCurrent);
1106         CoTaskMemFree(This);
1107         return 0;
1108     }
1109     return This->pin.pin.refCount;
1110 }
1111
1112 static HRESULT WINAPI AVISplitter_OutputPin_EnumMediaTypes(IPin * iface, IEnumMediaTypes ** ppEnum)
1113 {
1114     ENUMMEDIADETAILS emd;
1115     AVISplitter_OutputPin *This = (AVISplitter_OutputPin *)iface;
1116
1117     TRACE("(%p)\n", ppEnum);
1118
1119     /* override this method to allow enumeration of your types */
1120     emd.cMediaTypes = 1;
1121     emd.pMediaTypes = This->pmt;
1122
1123     return IEnumMediaTypesImpl_Construct(&emd, ppEnum);
1124 }
1125
1126 static HRESULT AVISplitter_OutputPin_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
1127 {
1128     AVISplitter_OutputPin *This = (AVISplitter_OutputPin *)iface;
1129
1130     TRACE("()\n");
1131     dump_AM_MEDIA_TYPE(pmt);
1132
1133     return (memcmp(This->pmt, pmt, sizeof(AM_MEDIA_TYPE)) == 0);
1134 }
1135
1136 static const IPinVtbl AVISplitter_OutputPin_Vtbl =
1137 {
1138     AVISplitter_OutputPin_QueryInterface,
1139     IPinImpl_AddRef,
1140     AVISplitter_OutputPin_Release,
1141     OutputPin_Connect,
1142     OutputPin_ReceiveConnection,
1143     OutputPin_Disconnect,
1144     IPinImpl_ConnectedTo,
1145     IPinImpl_ConnectionMediaType,
1146     IPinImpl_QueryPinInfo,
1147     IPinImpl_QueryDirection,
1148     IPinImpl_QueryId,
1149     IPinImpl_QueryAccept,
1150     AVISplitter_OutputPin_EnumMediaTypes,
1151     IPinImpl_QueryInternalConnections,
1152     OutputPin_EndOfStream,
1153     OutputPin_BeginFlush,
1154     OutputPin_EndFlush,
1155     OutputPin_NewSegment
1156 };
1157
1158 static HRESULT AVISplitter_InputPin_Construct(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
1159 {
1160     PullPin * pPinImpl;
1161
1162     *ppPin = NULL;
1163
1164     if (pPinInfo->dir != PINDIR_INPUT)
1165     {
1166         ERR("Pin direction(%x) != PINDIR_INPUT\n", pPinInfo->dir);
1167         return E_INVALIDARG;
1168     }
1169
1170     pPinImpl = CoTaskMemAlloc(sizeof(*pPinImpl));
1171
1172     if (!pPinImpl)
1173         return E_OUTOFMEMORY;
1174
1175     if (SUCCEEDED(PullPin_Init(pPinInfo, pSampleProc, pUserData, pQueryAccept, pCritSec, pPinImpl)))
1176     {
1177         pPinImpl->pin.lpVtbl = &AVISplitter_InputPin_Vtbl;
1178
1179         *ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
1180         return S_OK;
1181     }
1182     return E_FAIL;
1183 }
1184
1185 static HRESULT WINAPI AVISplitter_InputPin_Disconnect(IPin * iface)
1186 {
1187     HRESULT hr;
1188     IPinImpl *This = (IPinImpl *)iface;
1189
1190     TRACE("()\n");
1191
1192     EnterCriticalSection(This->pCritSec);
1193     {
1194         if (This->pConnectedTo)
1195         {
1196             FILTER_STATE state;
1197
1198             hr = IBaseFilter_GetState(This->pinInfo.pFilter, 0, &state);
1199
1200             if (SUCCEEDED(hr) && (state == State_Stopped))
1201             {
1202                 IPin_Release(This->pConnectedTo);
1203                 This->pConnectedTo = NULL;
1204                 hr = AVISplitter_RemoveOutputPins((AVISplitter *)This->pinInfo.pFilter);
1205             }
1206             else
1207                 hr = VFW_E_NOT_STOPPED;
1208         }
1209         else
1210             hr = S_FALSE;
1211     }
1212     LeaveCriticalSection(This->pCritSec);
1213
1214     return hr;
1215 }
1216
1217 static const IPinVtbl AVISplitter_InputPin_Vtbl =
1218 {
1219     PullPin_QueryInterface,
1220     IPinImpl_AddRef,
1221     PullPin_Release,
1222     OutputPin_Connect,
1223     PullPin_ReceiveConnection,
1224     AVISplitter_InputPin_Disconnect,
1225     IPinImpl_ConnectedTo,
1226     IPinImpl_ConnectionMediaType,
1227     IPinImpl_QueryPinInfo,
1228     IPinImpl_QueryDirection,
1229     IPinImpl_QueryId,
1230     IPinImpl_QueryAccept,
1231     IPinImpl_EnumMediaTypes,
1232     IPinImpl_QueryInternalConnections,
1233     PullPin_EndOfStream,
1234     PullPin_BeginFlush,
1235     PullPin_EndFlush,
1236     PullPin_NewSegment
1237 };