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   1 /*
   2  * AVI Splitter Filter
   3  *
   4  * Copyright 2003 Robert Shearman
   5  * Copyright 2004-2005 Christian Costa
   6  * Copyright 2008 Maarten Lankhorst
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22 /* FIXME:
  23  * - we don't do anything with indices yet (we could use them when seeking)
  24  * - we don't support multiple RIFF sections (i.e. large AVI files > 2Gb)
  25  * - Memory leaks, and lots of them
  26  */
  27
  28 #include "quartz_private.h"
  29 #include "control_private.h"
  30 #include "pin.h"
  31
  32 #include "uuids.h"
  33 #include "vfw.h"
  34 #include "aviriff.h"
  35 #include "vfwmsgs.h"
  36 #include "amvideo.h"
  37
  38 #include "wine/unicode.h"
  39 #include "wine/debug.h"
  40
  41 #include <math.h>
  42 #include <assert.h>
  43
  44 #include "parser.h"
  45
  46 #define TWOCCFromFOURCC(fcc) HIWORD(fcc)
  47
  48 /* four character codes used in AVI files */
  49 #define ckidINFO       mmioFOURCC('I','N','F','O')
  50 #define ckidREC        mmioFOURCC('R','E','C',' ')
  51
  52 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  53
  54 typedef struct StreamData
  55 {
  56     DWORD dwSampleSize;
  57     FLOAT fSamplesPerSec;
  58     DWORD dwLength;
  59
  60     AVISTREAMHEADER streamheader;
  61     DWORD entries;
  62     AVISTDINDEX **stdindex;
  63     DWORD frames;
  64 } StreamData;
  65
  66 typedef struct AVISplitterImpl
  67 {
  68     ParserImpl Parser;
  69     IMediaSample * pCurrentSample;
  70     RIFFCHUNK CurrentChunk;
  71     LONGLONG CurrentChunkOffset; /* in media time */
  72     LONGLONG EndOfFile;
  73     AVIMAINHEADER AviHeader;
  74     AVIEXTHEADER ExtHeader;
  75
  76     /* TODO: Handle old style index, probably by creating an opendml style new index from it for within StreamData */
  77     AVIOLDINDEX *oldindex;
  78     DWORD offset;
  79
  80     StreamData *streams;
  81 } AVISplitterImpl;
  82
  83 static HRESULT AVISplitter_NextChunk(LONGLONG * pllCurrentChunkOffset, RIFFCHUNK * pCurrentChunk, const REFERENCE_TIME * tStart, const REFERENCE_TIME * tStop, const BYTE * pbSrcStream, int inner)
  84 {
  85     if (inner)
  86         *pllCurrentChunkOffset += MEDIATIME_FROM_BYTES(sizeof(RIFFLIST));
  87     else
  88         *pllCurrentChunkOffset += MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK) + RIFFROUND(pCurrentChunk->cb));
  89
  90     if (*pllCurrentChunkOffset >= *tStop)
  91         return S_FALSE; /* no more data - we couldn't even get the next chunk header! */
  92     else if (*pllCurrentChunkOffset + MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK)) >= *tStop)
  93     {
  94         memcpy(pCurrentChunk, pbSrcStream + (DWORD)BYTES_FROM_MEDIATIME(*pllCurrentChunkOffset - *tStart), (DWORD)BYTES_FROM_MEDIATIME(*tStop - *pllCurrentChunkOffset));
  95         return S_FALSE; /* no more data */
  96     }
  97     else
  98         memcpy(pCurrentChunk, pbSrcStream + (DWORD)BYTES_FROM_MEDIATIME(*pllCurrentChunkOffset - *tStart), sizeof(RIFFCHUNK));
  99
 100     return S_OK;
 101 }
 102
 103 static HRESULT AVISplitter_Sample(LPVOID iface, IMediaSample * pSample, DWORD_PTR cookie)
 104 {
 105     AVISplitterImpl *This = (AVISplitterImpl *)iface;
 106     LPBYTE pbSrcStream = NULL;
 107     long cbSrcStream = 0;
 108     REFERENCE_TIME tStart, tStop;
 109     HRESULT hr;
 110     BOOL bMoreData = TRUE;
 111
 112     hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
 113
 114     hr = IMediaSample_GetTime(pSample, &tStart, &tStop);
 115
 116     cbSrcStream = IMediaSample_GetActualDataLength(pSample);
 117
 118     /* trace removed for performance reasons */
 119     /* TRACE("(%p)\n", pSample); */
 120
 121     assert(BYTES_FROM_MEDIATIME(tStop - tStart) == cbSrcStream);
 122
 123     if (This->CurrentChunkOffset <= tStart && This->CurrentChunkOffset + MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK)) > tStart)
 124     {
 125         DWORD offset = (DWORD)BYTES_FROM_MEDIATIME(tStart - This->CurrentChunkOffset);
 126         assert(offset <= sizeof(RIFFCHUNK));
 127         memcpy((BYTE *)&This->CurrentChunk + offset, pbSrcStream, sizeof(RIFFCHUNK) - offset);
 128     }
 129     else if (This->CurrentChunkOffset > tStart)
 130     {
 131         DWORD offset = (DWORD)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset - tStart);
 132         if (offset >= (DWORD)cbSrcStream)
 133         {
 134             FIXME("large offset\n");
 135             hr = S_OK;
 136             goto skip;
 137         }
 138
 139         memcpy(&This->CurrentChunk, pbSrcStream + offset, sizeof(RIFFCHUNK));
 140     }
 141
 142     assert(This->CurrentChunkOffset + MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK)) < tStop);
 143
 144     while (bMoreData)
 145     {
 146         BYTE * pbDstStream;
 147         long cbDstStream;
 148         long chunk_remaining_bytes = 0;
 149         long offset_src;
 150         WORD streamId;
 151         Parser_OutputPin * pOutputPin;
 152         BOOL bSyncPoint = TRUE;
 153         BYTE *fcc = (BYTE *)&This->CurrentChunk.fcc;
 154
 155         if (This->CurrentChunkOffset >= tStart)
 156             offset_src = (long)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset - tStart) + sizeof(RIFFCHUNK);
 157         else
 158             offset_src = 0;
 159
 160         switch (This->CurrentChunk.fcc)
 161         {
 162         case ckidAVIOLDINDEX: /* Should not be popping up here! */
 163             ERR("There should be no index in the stream data!\n");
 164         case ckidAVIPADDING:
 165             /* silently ignore */
 166             if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream, FALSE))
 167                 bMoreData = FALSE;
 168             continue;
 169         case FOURCC_LIST:
 170             /* We only handle the 'rec ' list which contains the stream data */
 171             if ((*(DWORD*)(pbSrcStream + BYTES_FROM_MEDIATIME(This->CurrentChunkOffset-tStart) + sizeof(RIFFCHUNK))) == ckidREC)
 172             {
 173                 /* FIXME: We only advanced to the first chunk inside the list without keeping track that we are in it.
 174                  *        This is not clean and the parser should be improved for that but it is enough for most AVI files. */
 175                 if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream, TRUE))
 176                 {
 177                     bMoreData = FALSE;
 178                     continue;
 179                 }
 180                 This->CurrentChunk = *(RIFFCHUNK*) (pbSrcStream + BYTES_FROM_MEDIATIME(This->CurrentChunkOffset-tStart));
 181                 offset_src = (long)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset - tStart) + sizeof(RIFFCHUNK);
 182                 break;
 183             }
 184             else if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream, FALSE))
 185                 bMoreData = FALSE;
 186             continue;
 187         default:
 188             break;
 189 #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 */
 190             switch (TWOCCFromFOURCC(This->CurrentChunk.fcc))
 191             {
 192             case cktypeDIBcompressed:
 193                 bSyncPoint = FALSE;
 194                 /* fall-through */
 195             case cktypeDIBbits:
 196                 /* FIXME: check that pin is of type video */
 197                 break;
 198             case cktypeWAVEbytes:
 199                 /* FIXME: check that pin is of type audio */
 200                 break;
 201             case cktypePALchange:
 202                 FIXME("handle palette change\n");
 203                 break;
 204             default:
 205                 FIXME("Skipping unknown chunk type: %s at file offset 0x%x\n", debugstr_an((LPSTR)&This->CurrentChunk.fcc, 4), (DWORD)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset));
 206                 if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream, FALSE))
 207                     bMoreData = FALSE;
 208                 continue;
 209             }
 210 #endif
 211         }
 212
 213         if (fcc[0] == 'i' && fcc[1] == 'x')
 214         {
 215             if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream, FALSE))
 216                 bMoreData = FALSE;
 217             continue;
 218         }
 219
 220         streamId = StreamFromFOURCC(This->CurrentChunk.fcc);
 221
 222         if (streamId > This->Parser.cStreams)
 223         {
 224             ERR("Corrupted AVI file (contains stream id (%s) %d, but supposed to only have %d streams)\n", debugstr_an((char *)&This->CurrentChunk.fcc, 4), streamId, This->Parser.cStreams);
 225             hr = E_FAIL;
 226             break;
 227         }
 228
 229         pOutputPin = (Parser_OutputPin *)This->Parser.ppPins[streamId + 1];
 230
 231         if (!This->pCurrentSample)
 232         {
 233             /* cache media sample until it is ready to be despatched
 234              * (i.e. we reach the end of the chunk) */
 235             hr = OutputPin_GetDeliveryBuffer(&pOutputPin->pin, &This->pCurrentSample, NULL, NULL, 0);
 236
 237             if (SUCCEEDED(hr))
 238             {
 239                 hr = IMediaSample_SetActualDataLength(This->pCurrentSample, 0);
 240                 assert(hr == S_OK);
 241             }
 242             else
 243             {
 244                 TRACE("Skipping sending sample for stream %02d due to error (%x)\n", streamId, hr);
 245                 This->pCurrentSample = NULL;
 246                 if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream, FALSE))
 247                     bMoreData = FALSE;
 248                 continue;
 249             }
 250         }
 251
 252         hr = IMediaSample_GetPointer(This->pCurrentSample, &pbDstStream);
 253
 254         if (SUCCEEDED(hr))
 255         {
 256             cbDstStream = IMediaSample_GetSize(This->pCurrentSample);
 257
 258             chunk_remaining_bytes = (long)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset + MEDIATIME_FROM_BYTES(This->CurrentChunk.cb + sizeof(RIFFCHUNK)) - tStart) - offset_src;
 259
 260             assert(chunk_remaining_bytes >= 0);
 261             assert(chunk_remaining_bytes <= cbDstStream - IMediaSample_GetActualDataLength(This->pCurrentSample));
 262
 263             /* trace removed for performance reasons */
 264 /*          TRACE("chunk_remaining_bytes: 0x%x, cbSrcStream: 0x%x, offset_src: 0x%x\n", chunk_remaining_bytes, cbSrcStream, offset_src); */
 265         }
 266
 267         if (chunk_remaining_bytes <= cbSrcStream - offset_src)
 268         {
 269             if (SUCCEEDED(hr))
 270             {
 271                 memcpy(pbDstStream + IMediaSample_GetActualDataLength(This->pCurrentSample), pbSrcStream + offset_src, chunk_remaining_bytes);
 272                 hr = IMediaSample_SetActualDataLength(This->pCurrentSample, chunk_remaining_bytes + IMediaSample_GetActualDataLength(This->pCurrentSample));
 273                 assert(hr == S_OK);
 274             }
 275
 276             if (SUCCEEDED(hr))
 277             {
 278                 REFERENCE_TIME tAviStart, tAviStop;
 279                 StreamData *stream = This->streams + streamId;
 280
 281                 /* FIXME: hack */
 282                 if (pOutputPin->dwSamplesProcessed == 0)
 283                     IMediaSample_SetDiscontinuity(This->pCurrentSample, TRUE);
 284
 285                 IMediaSample_SetSyncPoint(This->pCurrentSample, bSyncPoint);
 286
 287                 pOutputPin->dwSamplesProcessed++;
 288
 289                 if (stream->dwSampleSize)
 290                     tAviStart = (LONGLONG)ceil(10000000.0 * (float)(pOutputPin->dwSamplesProcessed - 1) * (float)IMediaSample_GetActualDataLength(This->pCurrentSample) / ((float)stream->dwSampleSize * stream->fSamplesPerSec));
 291                 else
 292                     tAviStart = (LONGLONG)ceil(10000000.0 * (float)(pOutputPin->dwSamplesProcessed - 1) / (float)stream->fSamplesPerSec);
 293                 if (stream->dwSampleSize)
 294                     tAviStop = (LONGLONG)ceil(10000000.0 * (float)pOutputPin->dwSamplesProcessed * (float)IMediaSample_GetActualDataLength(This->pCurrentSample) / ((float)stream->dwSampleSize * stream->fSamplesPerSec));
 295                 else
 296                     tAviStop = (LONGLONG)ceil(10000000.0 * (float)pOutputPin->dwSamplesProcessed / (float)stream->fSamplesPerSec);
 297
 298                 IMediaSample_SetTime(This->pCurrentSample, &tAviStart, &tAviStop);
 299
 300                 hr = OutputPin_SendSample(&pOutputPin->pin, This->pCurrentSample);
 301                 if (hr != S_OK && hr != VFW_E_NOT_CONNECTED)
 302                     ERR("Error sending sample (%x)\n", hr);
 303             }
 304
 305             if (This->pCurrentSample)
 306                 IMediaSample_Release(This->pCurrentSample);
 307
 308             This->pCurrentSample = NULL;
 309
 310             if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream, FALSE))
 311                 bMoreData = FALSE;
 312         }
 313         else
 314         {
 315             if (SUCCEEDED(hr))
 316             {
 317                 memcpy(pbDstStream + IMediaSample_GetActualDataLength(This->pCurrentSample), pbSrcStream + offset_src, cbSrcStream - offset_src);
 318                 IMediaSample_SetActualDataLength(This->pCurrentSample, cbSrcStream - offset_src + IMediaSample_GetActualDataLength(This->pCurrentSample));
 319             }
 320             bMoreData = FALSE;
 321         }
 322     }
 323
 324 skip:
 325     if (tStop >= This->EndOfFile)
 326     {
 327         int i;
 328
 329         TRACE("End of file reached\n");
 330
 331         for (i = 0; i < This->Parser.cStreams; i++)
 332         {
 333             IPin* ppin;
 334             HRESULT hr;
 335
 336             TRACE("Send End Of Stream to output pin %d\n", i);
 337
 338             hr = IPin_ConnectedTo(This->Parser.ppPins[i+1], &ppin);
 339             if (SUCCEEDED(hr))
 340             {
 341                 hr = IPin_EndOfStream(ppin);
 342                 IPin_Release(ppin);
 343             }
 344             if (FAILED(hr))
 345             {
 346                 ERR("%x\n", hr);
 347                 break;
 348             }
 349         }
 350
 351         /* Force the pullpin thread to stop */
 352         hr = S_FALSE;
 353     }
 354
 355     return hr;
 356 }
 357
 358 static HRESULT AVISplitter_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
 359 {
 360     if (IsEqualIID(&pmt->majortype, &MEDIATYPE_Stream) && IsEqualIID(&pmt->subtype, &MEDIASUBTYPE_Avi))
 361         return S_OK;
 362     return S_FALSE;
 363 }
 364
 365 static HRESULT AVISplitter_ProcessIndex(AVISplitterImpl *This, AVISTDINDEX **index, LONGLONG qwOffset, DWORD cb)
 366 {
 367     AVISTDINDEX *pIndex;
 368     int x;
 369     long rest;
 370
 371     *index = NULL;
 372     if (cb < sizeof(AVISTDINDEX))
 373     {
 374         FIXME("size %u too small\n", cb);
 375         return E_INVALIDARG;
 376     }
 377
 378     pIndex = CoTaskMemAlloc(cb);
 379     if (!pIndex)
 380         return E_OUTOFMEMORY;
 381
 382     IAsyncReader_SyncRead(((PullPin *)This->Parser.ppPins[0])->pReader, qwOffset, cb, (BYTE *)pIndex);
 383     pIndex = CoTaskMemRealloc(pIndex, pIndex->cb);
 384     if (!pIndex)
 385         return E_OUTOFMEMORY;
 386
 387     IAsyncReader_SyncRead(((PullPin *)This->Parser.ppPins[0])->pReader, qwOffset, pIndex->cb, (BYTE *)pIndex);
 388     rest = pIndex->cb - sizeof(AVISUPERINDEX) + sizeof(RIFFCHUNK) + sizeof(pIndex->aIndex[0]) * ANYSIZE_ARRAY;
 389
 390     TRACE("wLongsPerEntry: %hd\n", pIndex->wLongsPerEntry);
 391     TRACE("bIndexSubType: %hd\n", pIndex->bIndexSubType);
 392     TRACE("bIndexType: %hd\n", pIndex->bIndexType);
 393     TRACE("nEntriesInUse: %u\n", pIndex->nEntriesInUse);
 394     TRACE("dwChunkId: %.4s\n", (char *)&pIndex->dwChunkId);
 395     TRACE("qwBaseOffset: %x%08x\n", (DWORD)(pIndex->qwBaseOffset >> 32), (DWORD)pIndex->qwBaseOffset);
 396     TRACE("dwReserved_3: %u\n", pIndex->dwReserved_3);
 397
 398     if (pIndex->bIndexType != AVI_INDEX_OF_CHUNKS
 399         || pIndex->wLongsPerEntry != 2
 400         || rest < (pIndex->nEntriesInUse * sizeof(DWORD) * pIndex->wLongsPerEntry)
 401         || (pIndex->bIndexSubType != AVI_INDEX_SUB_DEFAULT))
 402     {
 403         FIXME("Invalid index chunk encountered\n");
 404         return E_INVALIDARG;
 405     }
 406
 407     for (x = 0; x < pIndex->nEntriesInUse; ++x)
 408     {
 409         BOOL keyframe = !(pIndex->aIndex[x].dwOffset >> 31);
 410         DWORDLONG offset = pIndex->qwBaseOffset + (pIndex->aIndex[x].dwOffset & ~(1<<31));
 411         TRACE("dwOffset: %x%08x\n", (DWORD)(offset >> 32), (DWORD)offset);
 412         TRACE("dwSize: %u\n", pIndex->aIndex[x].dwSize);
 413         TRACE("Frame is a keyframe: %s\n", keyframe ? "yes" : "no");
 414     }
 415
 416     *index = pIndex;
 417     return S_OK;
 418 }
 419
 420 static HRESULT AVISplitter_ProcessOldIndex(AVISplitterImpl *This)
 421 {
 422     ULONGLONG mov_pos = BYTES_FROM_MEDIATIME(This->CurrentChunkOffset) - sizeof(DWORD);
 423     AVIOLDINDEX *pAviOldIndex = This->oldindex;
 424     int relative = -1;
 425     int x;
 426
 427     for (x = 0; x < pAviOldIndex->cb / sizeof(pAviOldIndex->aIndex[0]); ++x)
 428     {
 429         DWORD temp, temp2 = 0, offset, chunkid;
 430         PullPin *pin = This->Parser.pInputPin;
 431
 432         offset = pAviOldIndex->aIndex[x].dwOffset;
 433         chunkid = pAviOldIndex->aIndex[x].dwChunkId;
 434
 435         /* Only scan once, or else this will take too long */
 436         if (relative == -1)
 437         {
 438             IAsyncReader_SyncRead(pin->pReader, offset, sizeof(DWORD), (BYTE *)&temp);
 439             relative = (chunkid != temp);
 440
 441             TRACE("dwChunkId: %.4s\n", (char *)&chunkid);
 442             if (chunkid == mmioFOURCC('7','F','x','x')
 443                 && ((char *)&temp)[0] == 'i' && ((char *)&temp)[1] == 'x')
 444                 relative = FALSE;
 445
 446             if (relative)
 447             {
 448                 if (offset + mov_pos < BYTES_FROM_MEDIATIME(This->EndOfFile))
 449                     IAsyncReader_SyncRead(pin->pReader, offset + mov_pos, sizeof(DWORD), (BYTE *)&temp2);
 450
 451                 if (chunkid == mmioFOURCC('7','F','x','x')
 452                     && ((char *)&temp2)[0] == 'i' && ((char *)&temp2)[1] == 'x')
 453                 {
 454                     /* Do nothing, all is great */
 455                 }
 456                 else if (temp2 != chunkid)
 457                 {
 458                     ERR("Faulty index or bug in handling: Wanted FCC: %s, Abs FCC: %s (@ %x), Rel FCC: %s (@ %.0x%08x)\n",
 459                         debugstr_an((char *)&chunkid, 4), debugstr_an((char *)&temp, 4), offset,
 460                         debugstr_an((char *)&temp2, 4), (DWORD)((mov_pos + offset) >> 32), (DWORD)(mov_pos + offset));
 461                     relative = -1;
 462                 }
 463                 else
 464                     TRACE("Scanned dwChunkId: %s\n", debugstr_an((char *)&temp2, 4));
 465             }
 466             else if (!relative)
 467                TRACE("Scanned dwChunkId: %s\n", debugstr_an((char *)&temp, 4));
 468             TRACE("dwFlags: %08x\n", pAviOldIndex->aIndex[x].dwFlags);
 469             TRACE("dwOffset (%s): %08x\n", relative ? "relative" : "absolute", offset);
 470             TRACE("dwSize: %08x\n", pAviOldIndex->aIndex[x].dwSize);
 471         }
 472         else break;
 473     }
 474
 475     if (relative == -1)
 476     {
 477         FIXME("Dropping index: no idea whether it is relative or absolute\n");
 478         CoTaskMemFree(This->oldindex);
 479         This->oldindex = NULL;
 480     }
 481     else if (!relative)
 482         This->offset = 0;
 483     else
 484         This->offset = (DWORD)mov_pos;
 485
 486     return S_OK;
 487 }
 488
 489 static HRESULT AVISplitter_ProcessStreamList(AVISplitterImpl * This, const BYTE * pData, DWORD cb)
 490 {
 491     PIN_INFO piOutput;
 492     const RIFFCHUNK * pChunk;
 493     HRESULT hr;
 494     AM_MEDIA_TYPE amt;
 495     float fSamplesPerSec = 0.0f;
 496     DWORD dwSampleSize = 0;
 497     DWORD dwLength = 0;
 498     ALLOCATOR_PROPERTIES props;
 499     static const WCHAR wszStreamTemplate[] = {'S','t','r','e','a','m',' ','%','0','2','d',0};
 500     StreamData *stream;
 501
 502     AVISTDINDEX **stdindex = NULL;
 503     DWORD nstdindex = 0;
 504
 505     props.cbAlign = 1;
 506     props.cbPrefix = 0;
 507     props.cbBuffer = 0x20000;
 508     props.cBuffers = 2;
 509
 510     ZeroMemory(&amt, sizeof(amt));
 511     piOutput.dir = PINDIR_OUTPUT;
 512     piOutput.pFilter = (IBaseFilter *)This;
 513     wsprintfW(piOutput.achName, wszStreamTemplate, This->Parser.cStreams);
 514     This->streams = CoTaskMemRealloc(This->streams, sizeof(StreamData) * (This->Parser.cStreams+1));
 515     stream = This->streams + This->Parser.cStreams;
 516
 517     for (pChunk = (const RIFFCHUNK *)pData;
 518          ((const BYTE *)pChunk >= pData) && ((const BYTE *)pChunk + sizeof(RIFFCHUNK) < pData + cb) && (pChunk->cb > 0);
 519          pChunk = (const RIFFCHUNK *)((const BYTE*)pChunk + sizeof(RIFFCHUNK) + pChunk->cb)
 520         )
 521     {
 522         switch (pChunk->fcc)
 523         {
 524         case ckidSTREAMHEADER:
 525             {
 526                 const AVISTREAMHEADER * pStrHdr = (const AVISTREAMHEADER *)pChunk;
 527                 TRACE("processing stream header\n");
 528                 stream->streamheader = *pStrHdr;
 529
 530                 fSamplesPerSec = (float)pStrHdr->dwRate / (float)pStrHdr->dwScale;
 531                 CoTaskMemFree(amt.pbFormat);
 532                 amt.pbFormat = NULL;
 533                 amt.cbFormat = 0;
 534
 535                 switch (pStrHdr->fccType)
 536                 {
 537                 case streamtypeVIDEO:
 538                     amt.formattype = FORMAT_VideoInfo;
 539                     break;
 540                 case streamtypeAUDIO:
 541                     amt.formattype = FORMAT_WaveFormatEx;
 542                     break;
 543                 default:
 544                     FIXME("fccType %.4s not handled yet\n", (char *)&pStrHdr->fccType);
 545                     amt.formattype = FORMAT_None;
 546                 }
 547                 amt.majortype = MEDIATYPE_Video;
 548                 amt.majortype.Data1 = pStrHdr->fccType;
 549                 amt.subtype = MEDIATYPE_Video;
 550                 amt.subtype.Data1 = pStrHdr->fccHandler;
 551                 TRACE("Subtype FCC: %.04s\n", (LPCSTR)&pStrHdr->fccHandler);
 552                 amt.lSampleSize = pStrHdr->dwSampleSize;
 553                 amt.bFixedSizeSamples = (amt.lSampleSize != 0);
 554
 555                 /* FIXME: Is this right? */
 556                 if (!amt.lSampleSize)
 557                 {
 558                     amt.lSampleSize = 1;
 559                     dwSampleSize = 1;
 560                 }
 561
 562                 amt.bTemporalCompression = IsEqualGUID(&amt.majortype, &MEDIATYPE_Video); /* FIXME? */
 563                 dwSampleSize = pStrHdr->dwSampleSize;
 564                 dwLength = pStrHdr->dwLength;
 565                 if (!dwLength)
 566                     dwLength = This->AviHeader.dwTotalFrames;
 567
 568                 if (pStrHdr->dwSuggestedBufferSize)
 569                     props.cbBuffer = pStrHdr->dwSuggestedBufferSize;
 570
 571                 break;
 572             }
 573         case ckidSTREAMFORMAT:
 574             TRACE("processing stream format data\n");
 575             if (IsEqualIID(&amt.formattype, &FORMAT_VideoInfo))
 576             {
 577                 VIDEOINFOHEADER * pvi;
 578                 /* biCompression member appears to override the value in the stream header.
 579                  * i.e. the stream header can say something completely contradictory to what
 580                  * is in the BITMAPINFOHEADER! */
 581                 if (pChunk->cb < sizeof(BITMAPINFOHEADER))
 582                 {
 583                     ERR("Not enough bytes for BITMAPINFOHEADER\n");
 584                     return E_FAIL;
 585                 }
 586                 amt.cbFormat = sizeof(VIDEOINFOHEADER) - sizeof(BITMAPINFOHEADER) + pChunk->cb;
 587                 amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
 588                 ZeroMemory(amt.pbFormat, amt.cbFormat);
 589                 pvi = (VIDEOINFOHEADER *)amt.pbFormat;
 590                 pvi->AvgTimePerFrame = (LONGLONG)(10000000.0 / fSamplesPerSec);
 591                 CopyMemory(&pvi->bmiHeader, (const BYTE *)(pChunk + 1), pChunk->cb);
 592                 if (pvi->bmiHeader.biCompression)
 593                     amt.subtype.Data1 = pvi->bmiHeader.biCompression;
 594             }
 595             else
 596             {
 597                 amt.cbFormat = pChunk->cb;
 598                 amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
 599                 CopyMemory(amt.pbFormat, (const BYTE *)(pChunk + 1), amt.cbFormat);
 600             }
 601             break;
 602         case ckidSTREAMNAME:
 603             TRACE("processing stream name\n");
 604             /* FIXME: this doesn't exactly match native version (we omit the "##)" prefix), but hey... */
 605             MultiByteToWideChar(CP_ACP, 0, (LPCSTR)(pChunk + 1), pChunk->cb, piOutput.achName, sizeof(piOutput.achName) / sizeof(piOutput.achName[0]));
 606             break;
 607         case ckidSTREAMHANDLERDATA:
 608             FIXME("process stream handler data\n");
 609             break;
 610         case ckidAVIPADDING:
 611             TRACE("JUNK chunk ignored\n");
 612             break;
 613         case ckidAVISUPERINDEX:
 614         {
 615             const AVISUPERINDEX *pIndex = (const AVISUPERINDEX *)pChunk;
 616             int x;
 617             long rest = pIndex->cb - sizeof(AVISUPERINDEX) + sizeof(RIFFCHUNK) + sizeof(pIndex->aIndex[0]) * ANYSIZE_ARRAY;
 618
 619             if (pIndex->cb < sizeof(AVISUPERINDEX) - sizeof(RIFFCHUNK))
 620             {
 621                 FIXME("size %u\n", pIndex->cb);
 622                 break;
 623             }
 624
 625             if (nstdindex > 0)
 626             {
 627                 ERR("Stream %d got more than 1 superindex?\n", This->Parser.cStreams);
 628                 break;
 629             }
 630
 631             TRACE("wLongsPerEntry: %hd\n", pIndex->wLongsPerEntry);
 632             TRACE("bIndexSubType: %hd\n", pIndex->bIndexSubType);
 633             TRACE("bIndexType: %hd\n", pIndex->bIndexType);
 634             TRACE("nEntriesInUse: %u\n", pIndex->nEntriesInUse);
 635             TRACE("dwChunkId: %.4s\n", (char *)&pIndex->dwChunkId);
 636             if (pIndex->dwReserved[0])
 637                 TRACE("dwReserved[0]: %u\n", pIndex->dwReserved[0]);
 638             if (pIndex->dwReserved[2])
 639                 TRACE("dwReserved[1]: %u\n", pIndex->dwReserved[1]);
 640             if (pIndex->dwReserved[2])
 641                 TRACE("dwReserved[2]: %u\n", pIndex->dwReserved[2]);
 642
 643             if (pIndex->bIndexType != AVI_INDEX_OF_INDEXES
 644                 || pIndex->wLongsPerEntry != 4
 645                 || rest < (pIndex->nEntriesInUse * sizeof(DWORD) * pIndex->wLongsPerEntry)
 646                 || (pIndex->bIndexSubType != AVI_INDEX_SUB_2FIELD && pIndex->bIndexSubType != AVI_INDEX_SUB_DEFAULT))
 647             {
 648                 FIXME("Invalid index chunk encountered\n");
 649                 break;
 650             }
 651
 652             for (x = 0; x < pIndex->nEntriesInUse; ++x)
 653             {
 654                 TRACE("qwOffset: %x%08x\n", (DWORD)(pIndex->aIndex[x].qwOffset >> 32), (DWORD)pIndex->aIndex[x].qwOffset);
 655                 TRACE("dwSize: %u\n", pIndex->aIndex[x].dwSize);
 656                 TRACE("dwDuration: %u (unreliable)\n", pIndex->aIndex[x].dwDuration);
 657
 658                 ++nstdindex;
 659                 stdindex = CoTaskMemRealloc(stdindex, sizeof(*stdindex) * nstdindex);
 660                 AVISplitter_ProcessIndex(This, &stdindex[nstdindex-1], pIndex->aIndex[x].qwOffset, pIndex->aIndex[x].dwSize);
 661             }
 662             break;
 663         }
 664         default:
 665             FIXME("unknown chunk type \"%.04s\" ignored\n", (LPCSTR)&pChunk->fcc);
 666         }
 667     }
 668
 669     if (IsEqualGUID(&amt.formattype, &FORMAT_WaveFormatEx))
 670     {
 671         amt.subtype = MEDIATYPE_Video;
 672         amt.subtype.Data1 = ((WAVEFORMATEX *)amt.pbFormat)->wFormatTag;
 673     }
 674
 675     dump_AM_MEDIA_TYPE(&amt);
 676     TRACE("fSamplesPerSec = %f\n", (double)fSamplesPerSec);
 677     TRACE("dwSampleSize = %x\n", dwSampleSize);
 678     TRACE("dwLength = %x\n", dwLength);
 679
 680     stream->fSamplesPerSec = fSamplesPerSec;
 681     stream->dwSampleSize = dwSampleSize;
 682     stream->dwLength = dwLength; /* TODO: Use this for mediaseeking */
 683     stream->entries = nstdindex;
 684     stream->stdindex = stdindex;
 685
 686     hr = Parser_AddPin(&(This->Parser), &piOutput, &props, &amt);
 687     CoTaskMemFree(amt.pbFormat);
 688
 689     return hr;
 690 }
 691
 692 static HRESULT AVISplitter_ProcessODML(AVISplitterImpl * This, const BYTE * pData, DWORD cb)
 693 {
 694     const RIFFCHUNK * pChunk;
 695
 696     for (pChunk = (const RIFFCHUNK *)pData;
 697          ((const BYTE *)pChunk >= pData) && ((const BYTE *)pChunk + sizeof(RIFFCHUNK) < pData + cb) && (pChunk->cb > 0);
 698          pChunk = (const RIFFCHUNK *)((const BYTE*)pChunk + sizeof(RIFFCHUNK) + pChunk->cb)
 699         )
 700     {
 701         switch (pChunk->fcc)
 702         {
 703         case ckidAVIEXTHEADER:
 704             {
 705                 int x;
 706                 const AVIEXTHEADER * pExtHdr = (const AVIEXTHEADER *)pChunk;
 707
 708                 TRACE("processing extension header\n");
 709                 if (pExtHdr->cb != sizeof(AVIEXTHEADER) - sizeof(RIFFCHUNK))
 710                 {
 711                     FIXME("Size: %u\n", pExtHdr->cb);
 712                     break;
 713                 }
 714                 TRACE("dwGrandFrames: %u\n", pExtHdr->dwGrandFrames);
 715                 for (x = 0; x < 61; ++x)
 716                     if (pExtHdr->dwFuture[x])
 717                         FIXME("dwFuture[%i] = %u (0x%08x)\n", x, pExtHdr->dwFuture[x], pExtHdr->dwFuture[x]);
 718                 This->ExtHeader = *pExtHdr;
 719                 break;
 720             }
 721         default:
 722             FIXME("unknown chunk type \"%.04s\" ignored\n", (LPCSTR)&pChunk->fcc);
 723         }
 724     }
 725
 726     return S_OK;
 727 }
 728
 729 static HRESULT AVISplitter_InitializeStreams(AVISplitterImpl *This)
 730 {
 731     int x;
 732
 733     if (This->oldindex)
 734     {
 735         DWORD nMax, n;
 736
 737         for (x = 0; x < This->Parser.cStreams; ++x)
 738         {
 739             This->streams[x].frames = 0;
 740         }
 741
 742         nMax = This->oldindex->cb / sizeof(This->oldindex->aIndex[0]);
 743
 744         /* Ok, maybe this is more of an excercise to see if I interpret everything correctly or not, but that is useful for now. */
 745         for (n = 0; n < nMax; ++n)
 746         {
 747             DWORD streamId = StreamFromFOURCC(This->oldindex->aIndex[n].dwChunkId);
 748             if (streamId >= This->Parser.cStreams)
 749             {
 750                 FIXME("Stream id %s ignored\n", debugstr_an((char*)&This->oldindex->aIndex[n].dwChunkId, 4));
 751                 continue;
 752             }
 753
 754             if (This->streams[streamId].streamheader.dwSampleSize)
 755                 This->streams[streamId].frames += This->oldindex->aIndex[n].dwSize / This->streams[streamId].streamheader.dwSampleSize;
 756             else
 757                 ++This->streams[streamId].frames;
 758         }
 759
 760         for (x = 0; x < This->Parser.cStreams; ++x)
 761         {
 762             if ((DWORD)This->streams[x].frames != This->streams[x].streamheader.dwLength)
 763             {
 764                 FIXME("stream %u: frames found: %u, frames meant to be found: %u\n", x, (DWORD)This->streams[x].frames, This->streams[x].streamheader.dwLength);
 765             }
 766         }
 767
 768     }
 769     else if (!This->streams[0].entries)
 770     {
 771         for (x = 0; x < This->Parser.cStreams; ++x)
 772         {
 773             This->streams[x].frames = This->streams[x].streamheader.dwLength;
 774         }
 775     }
 776
 777     /* Not much here yet */
 778     for (x = 0; x < This->Parser.cStreams; ++x)
 779     {
 780         StreamData *stream = This->streams + x;
 781         /* WOEI! */
 782         double fps;
 783         int y;
 784         DWORD64 frames = 0;
 785
 786         fps = (double)stream->streamheader.dwRate / (float)stream->streamheader.dwScale;
 787         if (stream->stdindex)
 788         {
 789             for (y = 0; y < stream->entries; ++y)
 790             {
 791                 frames += stream->stdindex[y]->nEntriesInUse;
 792             }
 793         }
 794         else frames = stream->frames;
 795
 796         frames *= stream->streamheader.dwScale;
 797         /* Keep accuracy as high as possible for duration */
 798         This->Parser.mediaSeeking.llDuration = frames * 10000000;
 799         This->Parser.mediaSeeking.llDuration /= stream->streamheader.dwRate;
 800         This->Parser.mediaSeeking.llStop = This->Parser.mediaSeeking.llDuration;
 801         This->Parser.mediaSeeking.llCurrent = 0;
 802
 803         frames /= stream->streamheader.dwRate;
 804
 805         TRACE("fps: %f\n", fps);
 806         TRACE("Duration: %d days, %d hours, %d minutes and %d seconds\n", (DWORD)(frames / 86400),
 807         (DWORD)((frames % 86400) / 3600), (DWORD)((frames % 3600) / 60), (DWORD)(frames % 60));
 808     }
 809
 810     return S_OK;
 811 }
 812
 813 static HRESULT AVISplitter_Disconnect(LPVOID iface);
 814
 815 /* FIXME: fix leaks on failure here */
 816 static HRESULT AVISplitter_InputPin_PreConnect(IPin * iface, IPin * pConnectPin, ALLOCATOR_PROPERTIES *props)
 817 {
 818     PullPin *This = (PullPin *)iface;
 819     HRESULT hr;
 820     RIFFLIST list;
 821     LONGLONG pos = 0; /* in bytes */
 822     BYTE * pBuffer;
 823     RIFFCHUNK * pCurrentChunk;
 824     LONGLONG total, avail;
 825     int x;
 826     DWORD indexes;
 827
 828     AVISplitterImpl * pAviSplit = (AVISplitterImpl *)This->pin.pinInfo.pFilter;
 829
 830     hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
 831     pos += sizeof(list);
 832
 833     if (list.fcc != FOURCC_RIFF)
 834     {
 835         ERR("Input stream not a RIFF file\n");
 836         return E_FAIL;
 837     }
 838     if (list.fccListType != formtypeAVI)
 839     {
 840         ERR("Input stream not an AVI RIFF file\n");
 841         return E_FAIL;
 842     }
 843
 844     hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
 845     if (list.fcc != FOURCC_LIST)
 846     {
 847         ERR("Expected LIST chunk, but got %.04s\n", (LPSTR)&list.fcc);
 848         return E_FAIL;
 849     }
 850     if (list.fccListType != listtypeAVIHEADER)
 851     {
 852         ERR("Header list expected. Got: %.04s\n", (LPSTR)&list.fccListType);
 853         return E_FAIL;
 854     }
 855
 856     pBuffer = HeapAlloc(GetProcessHeap(), 0, list.cb - sizeof(RIFFLIST) + sizeof(RIFFCHUNK));
 857     hr = IAsyncReader_SyncRead(This->pReader, pos + sizeof(list), list.cb - sizeof(RIFFLIST) + sizeof(RIFFCHUNK), pBuffer);
 858
 859     pAviSplit->AviHeader.cb = 0;
 860
 861     for (pCurrentChunk = (RIFFCHUNK *)pBuffer; (BYTE *)pCurrentChunk + sizeof(*pCurrentChunk) < pBuffer + list.cb; pCurrentChunk = (RIFFCHUNK *)(((BYTE *)pCurrentChunk) + sizeof(*pCurrentChunk) + pCurrentChunk->cb))
 862     {
 863         RIFFLIST * pList;
 864
 865         switch (pCurrentChunk->fcc)
 866         {
 867         case ckidMAINAVIHEADER:
 868             /* AVIMAINHEADER includes the structure that is pCurrentChunk at the moment */
 869             memcpy(&pAviSplit->AviHeader, pCurrentChunk, sizeof(pAviSplit->AviHeader));
 870             break;
 871         case FOURCC_LIST:
 872             pList = (RIFFLIST *)pCurrentChunk;
 873             switch (pList->fccListType)
 874             {
 875             case ckidSTREAMLIST:
 876                 hr = AVISplitter_ProcessStreamList(pAviSplit, (BYTE *)pCurrentChunk + sizeof(RIFFLIST), pCurrentChunk->cb + sizeof(RIFFCHUNK) - sizeof(RIFFLIST));
 877                 break;
 878             case ckidODML:
 879                 hr = AVISplitter_ProcessODML(pAviSplit, (BYTE *)pCurrentChunk + sizeof(RIFFLIST), pCurrentChunk->cb + sizeof(RIFFCHUNK) - sizeof(RIFFLIST));
 880                 break;
 881             }
 882             break;
 883         case ckidAVIPADDING:
 884             /* ignore */
 885             break;
 886         default:
 887             FIXME("unrecognised header list type: %.04s\n", (LPSTR)&pCurrentChunk->fcc);
 888         }
 889     }
 890     HeapFree(GetProcessHeap(), 0, pBuffer);
 891
 892     if (pAviSplit->AviHeader.cb != sizeof(pAviSplit->AviHeader) - sizeof(RIFFCHUNK))
 893     {
 894         ERR("Avi Header wrong size!\n");
 895         return E_FAIL;
 896     }
 897
 898     pos += sizeof(RIFFCHUNK) + list.cb;
 899     hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
 900
 901     while (list.fcc == ckidAVIPADDING || (list.fcc == FOURCC_LIST && list.fccListType == ckidINFO))
 902     {
 903         pos += sizeof(RIFFCHUNK) + list.cb;
 904
 905         hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
 906     }
 907
 908     if (list.fcc != FOURCC_LIST)
 909     {
 910         ERR("Expected LIST, but got %.04s\n", (LPSTR)&list.fcc);
 911         return E_FAIL;
 912     }
 913     if (list.fccListType != listtypeAVIMOVIE)
 914     {
 915         ERR("Expected AVI movie list, but got %.04s\n", (LPSTR)&list.fccListType);
 916         return E_FAIL;
 917     }
 918
 919     IAsyncReader_Length(This->pReader, &total, &avail);
 920
 921     /* FIXME: AVIX files are extended beyond the FOURCC chunk "AVI ", and thus won't be played here,
 922      * once I get one of the files I'll try to fix it */
 923     if (hr == S_OK)
 924     {
 925         This->rtStart = pAviSplit->CurrentChunkOffset = MEDIATIME_FROM_BYTES(pos + sizeof(RIFFLIST));
 926         pos += list.cb + sizeof(RIFFCHUNK);
 927
 928         pAviSplit->EndOfFile = This->rtStop = MEDIATIME_FROM_BYTES(pos);
 929         if (pos > total)
 930         {
 931             ERR("File smaller (%x%08x) then EndOfFile (%x%08x)\n", (DWORD)(total >> 32), (DWORD)total, (DWORD)(pAviSplit->EndOfFile >> 32), (DWORD)pAviSplit->EndOfFile);
 932             return E_FAIL;
 933         }
 934
 935         hr = IAsyncReader_SyncRead(This->pReader, BYTES_FROM_MEDIATIME(pAviSplit->CurrentChunkOffset), sizeof(pAviSplit->CurrentChunk), (BYTE *)&pAviSplit->CurrentChunk);
 936     }
 937
 938     /* Now peek into the idx1 index, if available */
 939     if (hr == S_OK && (total - pos) > sizeof(RIFFCHUNK))
 940     {
 941         memset(&list, 0, sizeof(list));
 942
 943         hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
 944         if (list.fcc == ckidAVIOLDINDEX)
 945         {
 946             pAviSplit->oldindex = CoTaskMemRealloc(pAviSplit->oldindex, list.cb + sizeof(RIFFCHUNK));
 947             if (pAviSplit->oldindex)
 948             {
 949                 hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(RIFFCHUNK) + list.cb, (BYTE *)pAviSplit->oldindex);
 950                 if (hr == S_OK)
 951                 {
 952                     hr = AVISplitter_ProcessOldIndex(pAviSplit);
 953                 }
 954                 else
 955                 {
 956                     CoTaskMemFree(pAviSplit->oldindex);
 957                     pAviSplit->oldindex = NULL;
 958                     hr = S_OK;
 959                 }
 960             }
 961         }
 962     }
 963
 964     indexes = 0;
 965     for (x = 0; x < pAviSplit->Parser.cStreams; ++x)
 966         if (pAviSplit->streams[x].entries)
 967             ++indexes;
 968
 969     if (indexes)
 970     {
 971         CoTaskMemFree(pAviSplit->oldindex);
 972         pAviSplit->oldindex = NULL;
 973         if (indexes < pAviSplit->Parser.cStreams)
 974         {
 975             /* This error could possible be survived by switching to old type index,
 976              * but I would rather find out why it doesn't find everything here
 977              */
 978             ERR("%d indexes expected, but only have %d\n", indexes, pAviSplit->Parser.cStreams);
 979             indexes = 0;
 980         }
 981     }
 982     else if (!indexes && pAviSplit->oldindex)
 983         indexes = pAviSplit->Parser.cStreams;
 984
 985     if (!indexes && pAviSplit->AviHeader.dwFlags & AVIF_MUSTUSEINDEX)
 986     {
 987         FIXME("No usable index was found!\n");
 988         hr = E_FAIL;
 989     }
 990
 991     /* Now, set up the streams */
 992     if (hr == S_OK)
 993         hr = AVISplitter_InitializeStreams(pAviSplit);
 994
 995     if (hr != S_OK)
 996     {
 997         AVISplitter_Disconnect(pAviSplit);
 998         return E_FAIL;
 999     }
1000
1001     TRACE("AVI File ok\n");
1002
1003     return hr;
1004 }
1005
1006 static HRESULT AVISplitter_Cleanup(LPVOID iface)
1007 {
1008     AVISplitterImpl *This = (AVISplitterImpl*)iface;
1009
1010     TRACE("(%p)->()\n", This);
1011
1012     if (This->pCurrentSample)
1013         IMediaSample_Release(This->pCurrentSample);
1014     This->pCurrentSample = NULL;
1015
1016     return S_OK;
1017 }
1018
1019 static HRESULT AVISplitter_Disconnect(LPVOID iface)
1020 {
1021     AVISplitterImpl *This = iface;
1022     int x;
1023
1024     /* TODO: Remove other memory that's allocated during connect */
1025     CoTaskMemFree(This->oldindex);
1026     This->oldindex = NULL;
1027
1028     for (x = 0; x < This->Parser.cStreams; ++x)
1029     {
1030         int i;
1031
1032         StreamData *stream = &This->streams[x];
1033
1034         for (i = 0; i < stream->entries; ++i)
1035             CoTaskMemFree(stream->stdindex[i]);
1036
1037         CoTaskMemFree(stream->stdindex);
1038     }
1039     CoTaskMemFree(This->streams);
1040     This->streams = NULL;
1041
1042     return S_OK;
1043 }
1044
1045 static const IBaseFilterVtbl AVISplitter_Vtbl =
1046 {
1047     Parser_QueryInterface,
1048     Parser_AddRef,
1049     Parser_Release,
1050     Parser_GetClassID,
1051     Parser_Stop,
1052     Parser_Pause,
1053     Parser_Run,
1054     Parser_GetState,
1055     Parser_SetSyncSource,
1056     Parser_GetSyncSource,
1057     Parser_EnumPins,
1058     Parser_FindPin,
1059     Parser_QueryFilterInfo,
1060     Parser_JoinFilterGraph,
1061     Parser_QueryVendorInfo
1062 };
1063
1064 HRESULT AVISplitter_create(IUnknown * pUnkOuter, LPVOID * ppv)
1065 {
1066     HRESULT hr;
1067     AVISplitterImpl * This;
1068
1069     TRACE("(%p, %p)\n", pUnkOuter, ppv);
1070
1071     *ppv = NULL;
1072
1073     if (pUnkOuter)
1074         return CLASS_E_NOAGGREGATION;
1075
1076     /* Note: This memory is managed by the transform filter once created */
1077     This = CoTaskMemAlloc(sizeof(AVISplitterImpl));
1078
1079     This->pCurrentSample = NULL;
1080     This->streams = NULL;
1081     This->oldindex = NULL;
1082
1083     hr = Parser_Create(&(This->Parser), &AVISplitter_Vtbl, &CLSID_AviSplitter, AVISplitter_Sample, AVISplitter_QueryAccept, AVISplitter_InputPin_PreConnect, AVISplitter_Cleanup, AVISplitter_Disconnect, NULL, NULL, NULL, NULL, NULL);
1084
1085     if (FAILED(hr))
1086         return hr;
1087
1088     *ppv = (LPVOID)This;
1089
1090     return hr;
1091 }