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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  * - Reference leaks, if they still exist
  24  * - Files without an index are not handled correctly yet.
  25  * - When stopping/starting, a sample is lost. This should be compensated by
  26  *   keeping track of previous index/position.
  27  * - Debugging channels are noisy at the moment, especially with thread
  28  *   related messages, however this is the only correct thing to do right now,
  29  *   since wine doesn't correctly handle all messages yet.
  30  */
  31
  32 #include "quartz_private.h"
  33 #include "control_private.h"
  34 #include "pin.h"
  35
  36 #include "uuids.h"
  37 #include "vfw.h"
  38 #include "aviriff.h"
  39 #include "vfwmsgs.h"
  40 #include "amvideo.h"
  41
  42 #include "wine/unicode.h"
  43 #include "wine/debug.h"
  44
  45 #include <math.h>
  46 #include <assert.h>
  47
  48 #include "parser.h"
  49
  50 #define TWOCCFromFOURCC(fcc) HIWORD(fcc)
  51
  52 /* four character codes used in AVI files */
  53 #define ckidINFO       mmioFOURCC('I','N','F','O')
  54 #define ckidREC        mmioFOURCC('R','E','C',' ')
  55
  56 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  57
  58 typedef struct StreamData
  59 {
  60     DWORD dwSampleSize;
  61     FLOAT fSamplesPerSec;
  62     DWORD dwLength;
  63
  64     AVISTREAMHEADER streamheader;
  65     DWORD entries;
  66     AVISTDINDEX **stdindex;
  67     DWORD frames;
  68     DWORD seek;
  69
  70     /* Position, in index units */
  71     DWORD pos, pos_next, index, index_next;
  72
  73     /* Packet handling: a thread is created and waits on the packet event handle
  74      * On an event acquire the sample lock, addref the sample and set it to NULL,
  75      * then queue a new packet.
  76      */
  77     HANDLE thread, packet_queued;
  78     IMediaSample *sample;
  79
  80     /* Amount of preroll samples for this stream */
  81     DWORD preroll;
  82 } StreamData;
  83
  84 typedef struct AVISplitterImpl
  85 {
  86     ParserImpl Parser;
  87     RIFFCHUNK CurrentChunk;
  88     LONGLONG CurrentChunkOffset; /* in media time */
  89     LONGLONG EndOfFile;
  90     AVIMAINHEADER AviHeader;
  91     AVIEXTHEADER ExtHeader;
  92
  93     AVIOLDINDEX *oldindex;
  94     DWORD offset;
  95
  96     StreamData *streams;
  97 } AVISplitterImpl;
  98
  99 struct thread_args {
 100     AVISplitterImpl *This;
 101     DWORD stream;
 102 };
 103
 104 /* The threading stuff cries for an explanation
 105  *
 106  * PullPin starts processing and calls AVISplitter_first_request
 107  * AVISplitter_first_request creates a thread for each stream
 108  * A stream can be audio, video, subtitles or something undefined.
 109  *
 110  * AVISplitter_first_request loads a single packet to each but one stream,
 111  * and queues it for that last stream. This is to prevent WaitForNext to time
 112  * out badly.
 113  *
 114  * The processing loop is entered. It calls IAsyncReader_WaitForNext in the
 115  * PullPin. Every time it receives a packet, it will call AVISplitter_Sample
 116  * AVISplitter_Sample will signal the relevant thread that a new sample is
 117  * arrived, when that thread is ready it will read the packet and transmits
 118  * it downstream with AVISplitter_Receive
 119  *
 120  * Threads terminate upon receiving NULL as packet or when ANY error code
 121  * != S_OK occurs. This means that any error is fatal to processing.
 122  */
 123
 124 static HRESULT AVISplitter_SendEndOfFile(AVISplitterImpl *This, DWORD streamnumber)
 125 {
 126     IPin* ppin = NULL;
 127     HRESULT hr;
 128
 129     TRACE("End of file reached\n");
 130
 131     hr = IPin_ConnectedTo(This->Parser.ppPins[streamnumber+1], &ppin);
 132     if (SUCCEEDED(hr))
 133     {
 134         hr = IPin_EndOfStream(ppin);
 135         IPin_Release(ppin);
 136     }
 137     TRACE("--> %x\n", hr);
 138
 139     /* Force the pullpin thread to stop */
 140     return S_FALSE;
 141 }
 142
 143 /* Thread worker horse */
 144 static HRESULT AVISplitter_next_request(AVISplitterImpl *This, DWORD streamnumber)
 145 {
 146     StreamData *stream = This->streams + streamnumber;
 147     PullPin *pin = This->Parser.pInputPin;
 148     IMediaSample *sample = NULL;
 149     HRESULT hr;
 150
 151     TRACE("(%p, %u)->()\n", This, streamnumber);
 152
 153     hr = IMemAllocator_GetBuffer(pin->pAlloc, &sample, NULL, NULL, 0);
 154     if (hr != S_OK)
 155         ERR("... %08x?\n", hr);
 156
 157     if (SUCCEEDED(hr))
 158     {
 159         LONGLONG rtSampleStart;
 160         /* Add 4 for the next header, which should hopefully work */
 161         LONGLONG rtSampleStop;
 162
 163         stream->pos = stream->pos_next;
 164         stream->index = stream->index_next;
 165
 166         IMediaSample_SetDiscontinuity(sample, stream->seek);
 167         stream->seek = FALSE;
 168         if (stream->preroll)
 169         {
 170             --stream->preroll;
 171             IMediaSample_SetPreroll(sample, TRUE);
 172         }
 173         else
 174             IMediaSample_SetPreroll(sample, FALSE);
 175         IMediaSample_SetSyncPoint(sample, TRUE);
 176
 177         if (stream->stdindex)
 178         {
 179             AVISTDINDEX *index = stream->stdindex[stream->index];
 180             AVISTDINDEX_ENTRY *entry = &index->aIndex[stream->pos];
 181             BOOL keyframe;
 182
 183             /* End of file */
 184             if (stream->index >= stream->entries)
 185             {
 186                 TRACE("END OF STREAM ON %u\n", streamnumber);
 187                 IMediaSample_Release(sample);
 188                 return S_FALSE;
 189             }
 190
 191             rtSampleStart = index->qwBaseOffset;
 192             keyframe = !(entry->dwSize >> 31);
 193             rtSampleStart += entry->dwOffset;
 194             rtSampleStart = MEDIATIME_FROM_BYTES(rtSampleStart);
 195
 196             ++stream->pos_next;
 197             if (index->nEntriesInUse == stream->pos_next)
 198             {
 199                 stream->pos_next = 0;
 200                 ++stream->index_next;
 201             }
 202
 203             rtSampleStop = rtSampleStart + MEDIATIME_FROM_BYTES(entry->dwSize & ~(1 << 31));
 204
 205             TRACE("offset(%u) size(%u)\n", (DWORD)BYTES_FROM_MEDIATIME(rtSampleStart), (DWORD)BYTES_FROM_MEDIATIME(rtSampleStop - rtSampleStart));
 206         }
 207         else if (This->oldindex)
 208         {
 209             DWORD flags = This->oldindex->aIndex[stream->pos].dwFlags;
 210             DWORD size = This->oldindex->aIndex[stream->pos].dwSize;
 211             BOOL keyframe;
 212
 213             /* End of file */
 214             if (stream->index)
 215             {
 216                 TRACE("END OF STREAM ON %u\n", streamnumber);
 217                 IMediaSample_Release(sample);
 218                 return S_FALSE;
 219             }
 220
 221             keyframe = !!(flags & AVIIF_KEYFRAME);
 222
 223             rtSampleStart = MEDIATIME_FROM_BYTES(This->offset);
 224             rtSampleStart += MEDIATIME_FROM_BYTES(This->oldindex->aIndex[stream->pos].dwOffset);
 225             rtSampleStop = rtSampleStart + MEDIATIME_FROM_BYTES(size);
 226             if (flags & AVIIF_MIDPART)
 227             {
 228                 FIXME("Only stand alone frames are currently handled correctly!\n");
 229             }
 230             if (flags & AVIIF_LIST)
 231             {
 232                 FIXME("Not sure if this is handled correctly\n");
 233                 rtSampleStart += MEDIATIME_FROM_BYTES(sizeof(RIFFLIST));
 234                 rtSampleStop += MEDIATIME_FROM_BYTES(sizeof(RIFFLIST));
 235             }
 236             else
 237             {
 238                 rtSampleStart += MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK));
 239                 rtSampleStop += MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK));
 240             }
 241
 242             /* Slow way of finding next index */
 243             do {
 244                 stream->pos_next++;
 245             } while (stream->pos_next * sizeof(This->oldindex->aIndex[0]) < This->oldindex->cb
 246                      && StreamFromFOURCC(This->oldindex->aIndex[stream->pos_next].dwChunkId) != streamnumber);
 247
 248             /* End of file soon */
 249             if (stream->pos_next * sizeof(This->oldindex->aIndex[0]) >= This->oldindex->cb)
 250             {
 251                 stream->pos_next = 0;
 252                 ++stream->index_next;
 253             }
 254         }
 255         else /* TODO: Generate an index automagically */
 256         {
 257             ERR("CAN'T PLAY WITHOUT AN INDEX! SOS! SOS! SOS!\n");
 258             assert(0);
 259         }
 260
 261         if (rtSampleStart != rtSampleStop)
 262         {
 263             hr = IMediaSample_SetTime(sample, &rtSampleStart, &rtSampleStop);
 264
 265             hr = IAsyncReader_Request(pin->pReader, sample, streamnumber);
 266
 267             if (FAILED(hr))
 268                 assert(IMediaSample_Release(sample) == 0);
 269         }
 270         else
 271         {
 272             stream->sample = sample;
 273             IMediaSample_SetActualDataLength(sample, 0);
 274             SetEvent(stream->packet_queued);
 275         }
 276     }
 277     else
 278     {
 279         if (sample)
 280         {
 281             ERR("There should be no sample!\n");
 282             assert(IMediaSample_Release(sample) == 0);
 283         }
 284     }
 285     TRACE("--> %08x\n", hr);
 286
 287     return hr;
 288 }
 289
 290 static HRESULT AVISplitter_Receive(AVISplitterImpl *This, IMediaSample *sample, DWORD streamnumber)
 291 {
 292     Parser_OutputPin *pin = (Parser_OutputPin *)This->Parser.ppPins[1+streamnumber];
 293     HRESULT hr;
 294     LONGLONG start, stop;
 295     StreamData *stream = &This->streams[streamnumber];
 296
 297     start = pin->dwSamplesProcessed;
 298     start *= stream->streamheader.dwScale;
 299     start *= 10000000;
 300     start /= stream->streamheader.dwRate;
 301
 302     if (stream->streamheader.dwSampleSize)
 303     {
 304         ULONG len = IMediaSample_GetActualDataLength(sample);
 305         ULONG size = stream->streamheader.dwSampleSize;
 306
 307         pin->dwSamplesProcessed += len / size;
 308     }
 309     else
 310         ++pin->dwSamplesProcessed;
 311
 312     stop = pin->dwSamplesProcessed;
 313     stop *= stream->streamheader.dwScale;
 314     stop *= 10000000;
 315     stop /= stream->streamheader.dwRate;
 316
 317     IMediaSample_SetTime(sample, &start, &stop);
 318
 319     hr = OutputPin_SendSample(&pin->pin, sample);
 320
 321 /* Uncomment this if you want to debug the time differences between the
 322  * different streams, it is useful for that
 323  *
 324     FIXME("stream %u, hr: %08x, Start: %u.%03u, Stop: %u.%03u\n", streamnumber, hr,
 325            (DWORD)(start / 10000000), (DWORD)((start / 10000)%1000),
 326            (DWORD)(stop / 10000000), (DWORD)((stop / 10000)%1000));
 327 */
 328     return hr;
 329 }
 330
 331 static DWORD WINAPI AVISplitter_thread_reader(LPVOID data)
 332 {
 333     struct thread_args *args = data;
 334     AVISplitterImpl *This = args->This;
 335     DWORD streamnumber = args->stream;
 336     HRESULT hr = S_OK;
 337
 338     do
 339     {
 340         HRESULT nexthr = S_FALSE;
 341         IMediaSample *sample;
 342
 343         WaitForSingleObject(This->streams[streamnumber].packet_queued, INFINITE);
 344         sample = This->streams[streamnumber].sample;
 345         This->streams[streamnumber].sample = NULL;
 346         if (!sample)
 347             break;
 348
 349         nexthr = AVISplitter_next_request(This, streamnumber);
 350
 351         hr = AVISplitter_Receive(This, sample, streamnumber);
 352         if (hr != S_OK)
 353             FIXME("Receiving error: %08x\n", hr);
 354
 355         IMediaSample_Release(sample);
 356         if (hr == S_OK)
 357             hr = nexthr;
 358         if (nexthr == S_FALSE)
 359             AVISplitter_SendEndOfFile(This, streamnumber);
 360     } while (hr == S_OK);
 361
 362     FIXME("Thread %u terminated with hr %08x!\n", streamnumber, hr);
 363
 364     return hr;
 365 }
 366
 367 static HRESULT AVISplitter_Sample(LPVOID iface, IMediaSample * pSample, DWORD_PTR cookie)
 368 {
 369     AVISplitterImpl *This = iface;
 370     StreamData *stream = This->streams + cookie;
 371     HRESULT hr = S_OK;
 372
 373     if (!IMediaSample_GetActualDataLength(pSample))
 374     {
 375         ERR("Received empty sample\n");
 376         return S_OK;
 377     }
 378
 379     /* Send the sample to whatever thread is appropiate
 380      * That thread should also not have a sample queued at the moment
 381      */
 382     /* Debugging */
 383     TRACE("(%p)->(%p size: %u, %lu)\n", This, pSample, IMediaSample_GetActualDataLength(pSample), cookie);
 384     assert(cookie < This->Parser.cStreams);
 385     assert(!stream->sample);
 386     assert(WaitForSingleObject(stream->packet_queued, 0) == WAIT_TIMEOUT);
 387
 388     IMediaSample_AddRef(pSample);
 389
 390     stream->sample = pSample;
 391     SetEvent(stream->packet_queued);
 392
 393     return hr;
 394 }
 395
 396 static HRESULT AVISplitter_done_process(LPVOID iface);
 397
 398 /* On the first request we have to be sure that (cStreams-1) samples have
 399  * already been processed, because otherwise some pins might not ever finish
 400  * a Pause state change
 401  */
 402 static HRESULT AVISplitter_first_request(LPVOID iface)
 403 {
 404     AVISplitterImpl *This = (AVISplitterImpl *)iface;
 405     HRESULT hr = S_OK;
 406     int x;
 407     IMediaSample *sample = NULL;
 408     BOOL have_sample = FALSE;
 409
 410     TRACE("(%p)->()\n", This);
 411
 412     for (x = 0; x < This->Parser.cStreams; ++x)
 413     {
 414         StreamData *stream = This->streams + x;
 415
 416         /* Nothing should be running at this point */
 417         assert(!stream->thread);
 418
 419         assert(!sample);
 420         /* It could be we asked the thread to terminate, and the thread
 421          * already terminated before receiving the deathwish */
 422         ResetEvent(stream->packet_queued);
 423
 424         stream->pos_next = stream->pos;
 425         stream->index_next = stream->index;
 426
 427         /* There should be a packet queued from AVISplitter_next_request last time
 428          * It needs to be done now because this is the only way to ensure that every
 429          * stream will have at least 1 packet processed
 430          * If this is done after the threads start it could go all awkward and we
 431          * would have no guarantees that it's successful at all
 432          */
 433
 434         if (have_sample)
 435         {
 436             DWORD_PTR dwUser = ~0;
 437             hr = IAsyncReader_WaitForNext(This->Parser.pInputPin->pReader, 10000, &sample, &dwUser);
 438             assert(hr == S_OK);
 439             assert(sample);
 440
 441             AVISplitter_Sample(iface, sample, dwUser);
 442             IMediaSample_Release(sample);
 443         }
 444
 445         hr = AVISplitter_next_request(This, x);
 446         TRACE("-->%08x\n", hr);
 447
 448         /* Could be an EOF instead */
 449         have_sample = (hr == S_OK);
 450         if (hr == S_FALSE)
 451             AVISplitter_SendEndOfFile(This, x);
 452
 453         if (FAILED(hr) && hr != VFW_E_NOT_CONNECTED)
 454             break;
 455         hr = S_OK;
 456     }
 457
 458     /* FIXME: Don't do this for each pin that sent an EOF */
 459     for (x = 0; x < This->Parser.cStreams && SUCCEEDED(hr); ++x)
 460     {
 461         struct thread_args *args;
 462         DWORD tid;
 463
 464         if ((This->streams[x].stdindex && This->streams[x].index_next >= This->streams[x].entries) ||
 465             (!This->streams[x].stdindex && This->streams[x].index_next))
 466         {
 467             This->streams[x].thread = NULL;
 468             continue;
 469         }
 470
 471         args = CoTaskMemAlloc(sizeof(*args));
 472         args->This = This;
 473         args->stream = x;
 474         This->streams[x].thread = CreateThread(NULL, 0, AVISplitter_thread_reader, args, 0, &tid);
 475         FIXME("Created stream %u thread 0x%08x\n", x, tid);
 476     }
 477
 478     if (FAILED(hr))
 479         ERR("Horsemen of the apocalypse came to bring error 0x%08x\n", hr);
 480
 481     return hr;
 482 }
 483
 484 static HRESULT AVISplitter_done_process(LPVOID iface)
 485 {
 486     AVISplitterImpl *This = iface;
 487
 488     DWORD x;
 489
 490     for (x = 0; x < This->Parser.cStreams; ++x)
 491     {
 492         StreamData *stream = This->streams + x;
 493
 494         FIXME("Waiting for %u to terminate\n", x);
 495         /* Make the thread return first */
 496         SetEvent(stream->packet_queued);
 497         assert(WaitForSingleObject(stream->thread, 100000) != WAIT_TIMEOUT);
 498         CloseHandle(stream->thread);
 499         stream->thread = NULL;
 500
 501         if (stream->sample)
 502             assert(IMediaSample_Release(stream->sample) == 0);
 503         stream->sample = NULL;
 504
 505         ResetEvent(stream->packet_queued);
 506     }
 507     FIXME("All threads are now terminated\n");
 508
 509     return S_OK;
 510 }
 511
 512 static HRESULT AVISplitter_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
 513 {
 514     if (IsEqualIID(&pmt->majortype, &MEDIATYPE_Stream) && IsEqualIID(&pmt->subtype, &MEDIASUBTYPE_Avi))
 515         return S_OK;
 516     return S_FALSE;
 517 }
 518
 519 static HRESULT AVISplitter_ProcessIndex(AVISplitterImpl *This, AVISTDINDEX **index, LONGLONG qwOffset, DWORD cb)
 520 {
 521     AVISTDINDEX *pIndex;
 522     int x, rest;
 523
 524     *index = NULL;
 525     if (cb < sizeof(AVISTDINDEX))
 526     {
 527         FIXME("size %u too small\n", cb);
 528         return E_INVALIDARG;
 529     }
 530
 531     pIndex = CoTaskMemAlloc(cb);
 532     if (!pIndex)
 533         return E_OUTOFMEMORY;
 534
 535     IAsyncReader_SyncRead(((PullPin *)This->Parser.ppPins[0])->pReader, qwOffset, cb, (BYTE *)pIndex);
 536     rest = cb - sizeof(AVISUPERINDEX) + sizeof(RIFFCHUNK) + sizeof(pIndex->aIndex);
 537
 538     TRACE("FOURCC: %s\n", debugstr_an((char *)&pIndex->fcc, 4));
 539     TRACE("wLongsPerEntry: %hd\n", pIndex->wLongsPerEntry);
 540     TRACE("bIndexSubType: %hd\n", pIndex->bIndexSubType);
 541     TRACE("bIndexType: %hd\n", pIndex->bIndexType);
 542     TRACE("nEntriesInUse: %u\n", pIndex->nEntriesInUse);
 543     TRACE("dwChunkId: %.4s\n", (char *)&pIndex->dwChunkId);
 544     TRACE("qwBaseOffset: %x%08x\n", (DWORD)(pIndex->qwBaseOffset >> 32), (DWORD)pIndex->qwBaseOffset);
 545     TRACE("dwReserved_3: %u\n", pIndex->dwReserved_3);
 546
 547     if (pIndex->bIndexType != AVI_INDEX_OF_CHUNKS
 548         || pIndex->wLongsPerEntry != 2
 549         || rest < (pIndex->nEntriesInUse * sizeof(DWORD) * pIndex->wLongsPerEntry)
 550         || (pIndex->bIndexSubType != AVI_INDEX_SUB_DEFAULT))
 551     {
 552         FIXME("Invalid index chunk encountered: %u/%u, %u/%u, %u/%u, %u/%u\n",
 553               pIndex->bIndexType, AVI_INDEX_OF_CHUNKS, pIndex->wLongsPerEntry, 2,
 554               rest, (DWORD)(pIndex->nEntriesInUse * sizeof(DWORD) * pIndex->wLongsPerEntry),
 555               pIndex->bIndexSubType, AVI_INDEX_SUB_DEFAULT);
 556         *index = NULL;
 557         return E_INVALIDARG;
 558     }
 559
 560     for (x = 0; x < pIndex->nEntriesInUse; ++x)
 561     {
 562         BOOL keyframe = !(pIndex->aIndex[x].dwSize >> 31);
 563         DWORDLONG offset = pIndex->qwBaseOffset + pIndex->aIndex[x].dwOffset;
 564         TRACE("dwOffset: %x%08x\n", (DWORD)(offset >> 32), (DWORD)offset);
 565         TRACE("dwSize: %u\n", (pIndex->aIndex[x].dwSize & ~(1<<31)));
 566         TRACE("Frame is a keyframe: %s\n", keyframe ? "yes" : "no");
 567     }
 568
 569     *index = pIndex;
 570     return S_OK;
 571 }
 572
 573 static HRESULT AVISplitter_ProcessOldIndex(AVISplitterImpl *This)
 574 {
 575     ULONGLONG mov_pos = BYTES_FROM_MEDIATIME(This->CurrentChunkOffset) - sizeof(DWORD);
 576     AVIOLDINDEX *pAviOldIndex = This->oldindex;
 577     int relative = -1;
 578     int x;
 579
 580     for (x = 0; x < pAviOldIndex->cb / sizeof(pAviOldIndex->aIndex[0]); ++x)
 581     {
 582         DWORD temp, temp2 = 0, offset, chunkid;
 583         PullPin *pin = This->Parser.pInputPin;
 584
 585         offset = pAviOldIndex->aIndex[x].dwOffset;
 586         chunkid = pAviOldIndex->aIndex[x].dwChunkId;
 587
 588         TRACE("dwChunkId: %.4s\n", (char *)&chunkid);
 589         TRACE("dwFlags: %08x\n", pAviOldIndex->aIndex[x].dwFlags);
 590         TRACE("dwOffset (%s): %08x\n", relative ? "relative" : "absolute", offset);
 591         TRACE("dwSize: %08x\n", pAviOldIndex->aIndex[x].dwSize);
 592
 593         /* Only scan once, or else this will take too long */
 594         if (relative == -1)
 595         {
 596             IAsyncReader_SyncRead(pin->pReader, offset, sizeof(DWORD), (BYTE *)&temp);
 597             relative = (chunkid != temp);
 598
 599             if (chunkid == mmioFOURCC('7','F','x','x')
 600                 && ((char *)&temp)[0] == 'i' && ((char *)&temp)[1] == 'x')
 601                 relative = FALSE;
 602
 603             if (relative)
 604             {
 605                 if (offset + mov_pos < BYTES_FROM_MEDIATIME(This->EndOfFile))
 606                     IAsyncReader_SyncRead(pin->pReader, offset + mov_pos, sizeof(DWORD), (BYTE *)&temp2);
 607
 608                 if (chunkid == mmioFOURCC('7','F','x','x')
 609                     && ((char *)&temp2)[0] == 'i' && ((char *)&temp2)[1] == 'x')
 610                 {
 611                     /* Do nothing, all is great */
 612                 }
 613                 else if (temp2 != chunkid)
 614                 {
 615                     ERR("Faulty index or bug in handling: Wanted FCC: %s, Abs FCC: %s (@ %x), Rel FCC: %s (@ %.0x%08x)\n",
 616                         debugstr_an((char *)&chunkid, 4), debugstr_an((char *)&temp, 4), offset,
 617                         debugstr_an((char *)&temp2, 4), (DWORD)((mov_pos + offset) >> 32), (DWORD)(mov_pos + offset));
 618                     relative = -1;
 619                 }
 620                 else
 621                     TRACE("Scanned dwChunkId: %s\n", debugstr_an((char *)&temp2, 4));
 622             }
 623             else if (!relative)
 624                 TRACE("Scanned dwChunkId: %s\n", debugstr_an((char *)&temp, 4));
 625         }
 626         /* Only dump one packet */
 627         else break;
 628     }
 629
 630     if (relative == -1)
 631     {
 632         FIXME("Dropping index: no idea whether it is relative or absolute\n");
 633         CoTaskMemFree(This->oldindex);
 634         This->oldindex = NULL;
 635     }
 636     else if (!relative)
 637         This->offset = 0;
 638     else
 639         This->offset = (DWORD)mov_pos;
 640
 641     return S_OK;
 642 }
 643
 644 static HRESULT AVISplitter_ProcessStreamList(AVISplitterImpl * This, const BYTE * pData, DWORD cb, ALLOCATOR_PROPERTIES *props)
 645 {
 646     PIN_INFO piOutput;
 647     const RIFFCHUNK * pChunk;
 648     HRESULT hr;
 649     AM_MEDIA_TYPE amt;
 650     float fSamplesPerSec = 0.0f;
 651     DWORD dwSampleSize = 0;
 652     DWORD dwLength = 0;
 653     DWORD nstdindex = 0;
 654     static const WCHAR wszStreamTemplate[] = {'S','t','r','e','a','m',' ','%','0','2','d',0};
 655     StreamData *stream;
 656
 657     ZeroMemory(&amt, sizeof(amt));
 658     piOutput.dir = PINDIR_OUTPUT;
 659     piOutput.pFilter = (IBaseFilter *)This;
 660     wsprintfW(piOutput.achName, wszStreamTemplate, This->Parser.cStreams);
 661     This->streams = CoTaskMemRealloc(This->streams, sizeof(StreamData) * (This->Parser.cStreams+1));
 662     stream = This->streams + This->Parser.cStreams;
 663     ZeroMemory(stream, sizeof(*stream));
 664
 665     for (pChunk = (const RIFFCHUNK *)pData;
 666          ((const BYTE *)pChunk >= pData) && ((const BYTE *)pChunk + sizeof(RIFFCHUNK) < pData + cb) && (pChunk->cb > 0);
 667          pChunk = (const RIFFCHUNK *)((const BYTE*)pChunk + sizeof(RIFFCHUNK) + pChunk->cb)
 668         )
 669     {
 670         switch (pChunk->fcc)
 671         {
 672         case ckidSTREAMHEADER:
 673             {
 674                 const AVISTREAMHEADER * pStrHdr = (const AVISTREAMHEADER *)pChunk;
 675                 TRACE("processing stream header\n");
 676                 stream->streamheader = *pStrHdr;
 677
 678                 fSamplesPerSec = (float)pStrHdr->dwRate / (float)pStrHdr->dwScale;
 679                 CoTaskMemFree(amt.pbFormat);
 680                 amt.pbFormat = NULL;
 681                 amt.cbFormat = 0;
 682
 683                 switch (pStrHdr->fccType)
 684                 {
 685                 case streamtypeVIDEO:
 686                     amt.formattype = FORMAT_VideoInfo;
 687                     break;
 688                 case streamtypeAUDIO:
 689                     amt.formattype = FORMAT_WaveFormatEx;
 690                     break;
 691                 default:
 692                     FIXME("fccType %.4s not handled yet\n", (char *)&pStrHdr->fccType);
 693                     amt.formattype = FORMAT_None;
 694                 }
 695                 amt.majortype = MEDIATYPE_Video;
 696                 amt.majortype.Data1 = pStrHdr->fccType;
 697                 amt.subtype = MEDIATYPE_Video;
 698                 amt.subtype.Data1 = pStrHdr->fccHandler;
 699                 TRACE("Subtype FCC: %.04s\n", (LPCSTR)&pStrHdr->fccHandler);
 700                 amt.lSampleSize = pStrHdr->dwSampleSize;
 701                 amt.bFixedSizeSamples = (amt.lSampleSize != 0);
 702
 703                 /* FIXME: Is this right? */
 704                 if (!amt.lSampleSize)
 705                 {
 706                     amt.lSampleSize = 1;
 707                     dwSampleSize = 1;
 708                 }
 709
 710                 amt.bTemporalCompression = IsEqualGUID(&amt.majortype, &MEDIATYPE_Video); /* FIXME? */
 711                 dwSampleSize = pStrHdr->dwSampleSize;
 712                 dwLength = pStrHdr->dwLength;
 713                 if (!dwLength)
 714                     dwLength = This->AviHeader.dwTotalFrames;
 715
 716                 if (pStrHdr->dwSuggestedBufferSize && pStrHdr->dwSuggestedBufferSize > props->cbBuffer)
 717                     props->cbBuffer = pStrHdr->dwSuggestedBufferSize;
 718
 719                 break;
 720             }
 721         case ckidSTREAMFORMAT:
 722             TRACE("processing stream format data\n");
 723             if (IsEqualIID(&amt.formattype, &FORMAT_VideoInfo))
 724             {
 725                 VIDEOINFOHEADER * pvi;
 726                 /* biCompression member appears to override the value in the stream header.
 727                  * i.e. the stream header can say something completely contradictory to what
 728                  * is in the BITMAPINFOHEADER! */
 729                 if (pChunk->cb < sizeof(BITMAPINFOHEADER))
 730                 {
 731                     ERR("Not enough bytes for BITMAPINFOHEADER\n");
 732                     return E_FAIL;
 733                 }
 734                 amt.cbFormat = sizeof(VIDEOINFOHEADER) - sizeof(BITMAPINFOHEADER) + pChunk->cb;
 735                 amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
 736                 ZeroMemory(amt.pbFormat, amt.cbFormat);
 737                 pvi = (VIDEOINFOHEADER *)amt.pbFormat;
 738                 pvi->AvgTimePerFrame = (LONGLONG)(10000000.0 / fSamplesPerSec);
 739
 740                 CopyMemory(&pvi->bmiHeader, (const BYTE *)(pChunk + 1), pChunk->cb);
 741                 if (pvi->bmiHeader.biCompression)
 742                     amt.subtype.Data1 = pvi->bmiHeader.biCompression;
 743             }
 744             else if (IsEqualIID(&amt.formattype, &FORMAT_WaveFormatEx))
 745             {
 746                 amt.cbFormat = pChunk->cb;
 747                 if (amt.cbFormat < sizeof(WAVEFORMATEX))
 748                     amt.cbFormat = sizeof(WAVEFORMATEX);
 749                 amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
 750                 ZeroMemory(amt.pbFormat, amt.cbFormat);
 751                 CopyMemory(amt.pbFormat, (const BYTE *)(pChunk + 1), pChunk->cb);
 752             }
 753             else
 754             {
 755                 amt.cbFormat = pChunk->cb;
 756                 amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
 757                 CopyMemory(amt.pbFormat, (const BYTE *)(pChunk + 1), amt.cbFormat);
 758             }
 759             break;
 760         case ckidSTREAMNAME:
 761             TRACE("processing stream name\n");
 762             /* FIXME: this doesn't exactly match native version (we omit the "##)" prefix), but hey... */
 763             MultiByteToWideChar(CP_ACP, 0, (LPCSTR)(pChunk + 1), pChunk->cb, piOutput.achName, sizeof(piOutput.achName) / sizeof(piOutput.achName[0]));
 764             break;
 765         case ckidSTREAMHANDLERDATA:
 766             FIXME("process stream handler data\n");
 767             break;
 768         case ckidAVIPADDING:
 769             TRACE("JUNK chunk ignored\n");
 770             break;
 771         case ckidAVISUPERINDEX:
 772         {
 773             const AVISUPERINDEX *pIndex = (const AVISUPERINDEX *)pChunk;
 774             int x;
 775             long rest = pIndex->cb - sizeof(AVISUPERINDEX) + sizeof(RIFFCHUNK) + sizeof(pIndex->aIndex[0]) * ANYSIZE_ARRAY;
 776
 777             if (pIndex->cb < sizeof(AVISUPERINDEX) - sizeof(RIFFCHUNK))
 778             {
 779                 FIXME("size %u\n", pIndex->cb);
 780                 break;
 781             }
 782
 783             if (nstdindex++ > 0)
 784             {
 785                 ERR("Stream %d got more than 1 superindex?\n", This->Parser.cStreams);
 786                 break;
 787             }
 788
 789             TRACE("wLongsPerEntry: %hd\n", pIndex->wLongsPerEntry);
 790             TRACE("bIndexSubType: %hd\n", pIndex->bIndexSubType);
 791             TRACE("bIndexType: %hd\n", pIndex->bIndexType);
 792             TRACE("nEntriesInUse: %u\n", pIndex->nEntriesInUse);
 793             TRACE("dwChunkId: %.4s\n", (char *)&pIndex->dwChunkId);
 794             if (pIndex->dwReserved[0])
 795                 TRACE("dwReserved[0]: %u\n", pIndex->dwReserved[0]);
 796             if (pIndex->dwReserved[2])
 797                 TRACE("dwReserved[1]: %u\n", pIndex->dwReserved[1]);
 798             if (pIndex->dwReserved[2])
 799                 TRACE("dwReserved[2]: %u\n", pIndex->dwReserved[2]);
 800
 801             if (pIndex->bIndexType != AVI_INDEX_OF_INDEXES
 802                 || pIndex->wLongsPerEntry != 4
 803                 || rest < (pIndex->nEntriesInUse * sizeof(DWORD) * pIndex->wLongsPerEntry)
 804                 || (pIndex->bIndexSubType != AVI_INDEX_SUB_2FIELD && pIndex->bIndexSubType != AVI_INDEX_SUB_DEFAULT))
 805             {
 806                 FIXME("Invalid index chunk encountered\n");
 807                 break;
 808             }
 809
 810             stream->entries = pIndex->nEntriesInUse;
 811             stream->stdindex = CoTaskMemRealloc(stream->stdindex, sizeof(*stream->stdindex) * stream->entries);
 812             for (x = 0; x < pIndex->nEntriesInUse; ++x)
 813             {
 814                 TRACE("qwOffset: %x%08x\n", (DWORD)(pIndex->aIndex[x].qwOffset >> 32), (DWORD)pIndex->aIndex[x].qwOffset);
 815                 TRACE("dwSize: %u\n", pIndex->aIndex[x].dwSize);
 816                 TRACE("dwDuration: %u (unreliable)\n", pIndex->aIndex[x].dwDuration);
 817
 818                 AVISplitter_ProcessIndex(This, &stream->stdindex[x], pIndex->aIndex[x].qwOffset, pIndex->aIndex[x].dwSize);
 819             }
 820             break;
 821         }
 822         default:
 823             FIXME("unknown chunk type \"%.04s\" ignored\n", (LPCSTR)&pChunk->fcc);
 824         }
 825     }
 826
 827     if (IsEqualGUID(&amt.formattype, &FORMAT_WaveFormatEx))
 828     {
 829         amt.subtype = MEDIATYPE_Video;
 830         amt.subtype.Data1 = ((WAVEFORMATEX *)amt.pbFormat)->wFormatTag;
 831     }
 832
 833     dump_AM_MEDIA_TYPE(&amt);
 834     TRACE("fSamplesPerSec = %f\n", (double)fSamplesPerSec);
 835     TRACE("dwSampleSize = %x\n", dwSampleSize);
 836     TRACE("dwLength = %x\n", dwLength);
 837
 838     stream->fSamplesPerSec = fSamplesPerSec;
 839     stream->dwSampleSize = dwSampleSize;
 840     stream->dwLength = dwLength; /* TODO: Use this for mediaseeking */
 841     stream->packet_queued = CreateEventW(NULL, 0, 0, NULL);
 842
 843     hr = Parser_AddPin(&(This->Parser), &piOutput, props, &amt);
 844     CoTaskMemFree(amt.pbFormat);
 845
 846
 847     return hr;
 848 }
 849
 850 static HRESULT AVISplitter_ProcessODML(AVISplitterImpl * This, const BYTE * pData, DWORD cb)
 851 {
 852     const RIFFCHUNK * pChunk;
 853
 854     for (pChunk = (const RIFFCHUNK *)pData;
 855          ((const BYTE *)pChunk >= pData) && ((const BYTE *)pChunk + sizeof(RIFFCHUNK) < pData + cb) && (pChunk->cb > 0);
 856          pChunk = (const RIFFCHUNK *)((const BYTE*)pChunk + sizeof(RIFFCHUNK) + pChunk->cb)
 857         )
 858     {
 859         switch (pChunk->fcc)
 860         {
 861         case ckidAVIEXTHEADER:
 862             {
 863                 int x;
 864                 const AVIEXTHEADER * pExtHdr = (const AVIEXTHEADER *)pChunk;
 865
 866                 TRACE("processing extension header\n");
 867                 if (pExtHdr->cb != sizeof(AVIEXTHEADER) - sizeof(RIFFCHUNK))
 868                 {
 869                     FIXME("Size: %u\n", pExtHdr->cb);
 870                     break;
 871                 }
 872                 TRACE("dwGrandFrames: %u\n", pExtHdr->dwGrandFrames);
 873                 for (x = 0; x < 61; ++x)
 874                     if (pExtHdr->dwFuture[x])
 875                         FIXME("dwFuture[%i] = %u (0x%08x)\n", x, pExtHdr->dwFuture[x], pExtHdr->dwFuture[x]);
 876                 This->ExtHeader = *pExtHdr;
 877                 break;
 878             }
 879         default:
 880             FIXME("unknown chunk type \"%.04s\" ignored\n", (LPCSTR)&pChunk->fcc);
 881         }
 882     }
 883
 884     return S_OK;
 885 }
 886
 887 static HRESULT AVISplitter_InitializeStreams(AVISplitterImpl *This)
 888 {
 889     int x;
 890
 891     if (This->oldindex)
 892     {
 893         DWORD nMax, n;
 894
 895         for (x = 0; x < This->Parser.cStreams; ++x)
 896         {
 897             This->streams[x].frames = 0;
 898             This->streams[x].pos = ~0;
 899             This->streams[x].index = 0;
 900         }
 901
 902         nMax = This->oldindex->cb / sizeof(This->oldindex->aIndex[0]);
 903
 904         /* Ok, maybe this is more of an excercise to see if I interpret everything correctly or not, but that is useful for now. */
 905         for (n = 0; n < nMax; ++n)
 906         {
 907             DWORD streamId = StreamFromFOURCC(This->oldindex->aIndex[n].dwChunkId);
 908             if (streamId >= This->Parser.cStreams)
 909             {
 910                 FIXME("Stream id %s ignored\n", debugstr_an((char*)&This->oldindex->aIndex[n].dwChunkId, 4));
 911                 continue;
 912             }
 913             if (This->streams[streamId].pos == ~0)
 914                 This->streams[streamId].pos = n;
 915
 916             if (This->streams[streamId].streamheader.dwSampleSize)
 917                 This->streams[streamId].frames += This->oldindex->aIndex[n].dwSize / This->streams[streamId].streamheader.dwSampleSize;
 918             else
 919                 ++This->streams[streamId].frames;
 920         }
 921
 922         for (x = 0; x < This->Parser.cStreams; ++x)
 923         {
 924             if ((DWORD)This->streams[x].frames != This->streams[x].streamheader.dwLength)
 925             {
 926                 FIXME("stream %u: frames found: %u, frames meant to be found: %u\n", x, (DWORD)This->streams[x].frames, This->streams[x].streamheader.dwLength);
 927             }
 928         }
 929
 930     }
 931     else if (!This->streams[0].entries)
 932     {
 933         for (x = 0; x < This->Parser.cStreams; ++x)
 934         {
 935             This->streams[x].frames = This->streams[x].streamheader.dwLength;
 936         }
 937         /* MS Avi splitter does seek through the whole file, we should! */
 938         ERR("We should be manually seeking through the entire file to build an index, because the index is missing!!!\n");
 939         return E_NOTIMPL;
 940     }
 941
 942     /* Not much here yet */
 943     for (x = 0; x < This->Parser.cStreams; ++x)
 944     {
 945         StreamData *stream = This->streams + x;
 946         int y;
 947         DWORD64 frames = 0;
 948
 949         stream->seek = 1;
 950
 951         if (stream->stdindex)
 952         {
 953             stream->index = 0;
 954             stream->pos = 0;
 955             for (y = 0; y < stream->entries; ++y)
 956             {
 957                 if (stream->streamheader.dwSampleSize)
 958                 {
 959                     int z;
 960
 961                     for (z = 0; z < stream->stdindex[y]->nEntriesInUse; ++z)
 962                     {
 963                         UINT len = stream->stdindex[y]->aIndex[z].dwSize & ~(1 << 31);
 964                         frames += len / stream->streamheader.dwSampleSize + !!(len % stream->streamheader.dwSampleSize);
 965                     }
 966                 }
 967                 else
 968                     frames += stream->stdindex[y]->nEntriesInUse;
 969             }
 970         }
 971         else frames = stream->frames;
 972
 973         frames *= stream->streamheader.dwScale;
 974         /* Keep accuracy as high as possible for duration */
 975         This->Parser.mediaSeeking.llDuration = frames * 10000000;
 976         This->Parser.mediaSeeking.llDuration /= stream->streamheader.dwRate;
 977         This->Parser.mediaSeeking.llStop = This->Parser.mediaSeeking.llDuration;
 978         This->Parser.mediaSeeking.llCurrent = 0;
 979
 980         frames /= stream->streamheader.dwRate;
 981
 982         TRACE("Duration: %d days, %d hours, %d minutes and %d.%03u seconds\n", (DWORD)(frames / 86400),
 983         (DWORD)((frames % 86400) / 3600), (DWORD)((frames % 3600) / 60), (DWORD)(frames % 60),
 984         (DWORD)(This->Parser.mediaSeeking.llDuration/10000) % 1000);
 985     }
 986
 987     return S_OK;
 988 }
 989
 990 static HRESULT AVISplitter_Disconnect(LPVOID iface);
 991
 992 /* FIXME: fix leaks on failure here */
 993 static HRESULT AVISplitter_InputPin_PreConnect(IPin * iface, IPin * pConnectPin, ALLOCATOR_PROPERTIES *props)
 994 {
 995     PullPin *This = (PullPin *)iface;
 996     HRESULT hr;
 997     RIFFLIST list;
 998     LONGLONG pos = 0; /* in bytes */
 999     BYTE * pBuffer;
1000     RIFFCHUNK * pCurrentChunk;
1001     LONGLONG total, avail;
1002     int x;
1003     DWORD indexes;
1004
1005     AVISplitterImpl * pAviSplit = (AVISplitterImpl *)This->pin.pinInfo.pFilter;
1006
1007     hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
1008     pos += sizeof(list);
1009
1010     if (list.fcc != FOURCC_RIFF)
1011     {
1012         ERR("Input stream not a RIFF file\n");
1013         return E_FAIL;
1014     }
1015     if (list.fccListType != formtypeAVI)
1016     {
1017         ERR("Input stream not an AVI RIFF file\n");
1018         return E_FAIL;
1019     }
1020
1021     hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
1022     if (list.fcc != FOURCC_LIST)
1023     {
1024         ERR("Expected LIST chunk, but got %.04s\n", (LPSTR)&list.fcc);
1025         return E_FAIL;
1026     }
1027     if (list.fccListType != listtypeAVIHEADER)
1028     {
1029         ERR("Header list expected. Got: %.04s\n", (LPSTR)&list.fccListType);
1030         return E_FAIL;
1031     }
1032
1033     pBuffer = HeapAlloc(GetProcessHeap(), 0, list.cb - sizeof(RIFFLIST) + sizeof(RIFFCHUNK));
1034     hr = IAsyncReader_SyncRead(This->pReader, pos + sizeof(list), list.cb - sizeof(RIFFLIST) + sizeof(RIFFCHUNK), pBuffer);
1035
1036     pAviSplit->AviHeader.cb = 0;
1037
1038     /* Stream list will set the buffer size here, so set a default and allow an override */
1039     props->cbBuffer = 0x20000;
1040
1041     for (pCurrentChunk = (RIFFCHUNK *)pBuffer; (BYTE *)pCurrentChunk + sizeof(*pCurrentChunk) < pBuffer + list.cb; pCurrentChunk = (RIFFCHUNK *)(((BYTE *)pCurrentChunk) + sizeof(*pCurrentChunk) + pCurrentChunk->cb))
1042     {
1043         RIFFLIST * pList;
1044
1045         switch (pCurrentChunk->fcc)
1046         {
1047         case ckidMAINAVIHEADER:
1048             /* AVIMAINHEADER includes the structure that is pCurrentChunk at the moment */
1049             memcpy(&pAviSplit->AviHeader, pCurrentChunk, sizeof(pAviSplit->AviHeader));
1050             break;
1051         case FOURCC_LIST:
1052             pList = (RIFFLIST *)pCurrentChunk;
1053             switch (pList->fccListType)
1054             {
1055             case ckidSTREAMLIST:
1056                 hr = AVISplitter_ProcessStreamList(pAviSplit, (BYTE *)pCurrentChunk + sizeof(RIFFLIST), pCurrentChunk->cb + sizeof(RIFFCHUNK) - sizeof(RIFFLIST), props);
1057                 break;
1058             case ckidODML:
1059                 hr = AVISplitter_ProcessODML(pAviSplit, (BYTE *)pCurrentChunk + sizeof(RIFFLIST), pCurrentChunk->cb + sizeof(RIFFCHUNK) - sizeof(RIFFLIST));
1060                 break;
1061             }
1062             break;
1063         case ckidAVIPADDING:
1064             /* ignore */
1065             break;
1066         default:
1067             FIXME("unrecognised header list type: %.04s\n", (LPSTR)&pCurrentChunk->fcc);
1068         }
1069     }
1070     HeapFree(GetProcessHeap(), 0, pBuffer);
1071
1072     if (pAviSplit->AviHeader.cb != sizeof(pAviSplit->AviHeader) - sizeof(RIFFCHUNK))
1073     {
1074         ERR("Avi Header wrong size!\n");
1075         return E_FAIL;
1076     }
1077
1078     pos += sizeof(RIFFCHUNK) + list.cb;
1079     hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
1080
1081     while (list.fcc == ckidAVIPADDING || (list.fcc == FOURCC_LIST && list.fccListType == ckidINFO))
1082     {
1083         pos += sizeof(RIFFCHUNK) + list.cb;
1084
1085         hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
1086     }
1087
1088     if (list.fcc != FOURCC_LIST)
1089     {
1090         ERR("Expected LIST, but got %.04s\n", (LPSTR)&list.fcc);
1091         return E_FAIL;
1092     }
1093     if (list.fccListType != listtypeAVIMOVIE)
1094     {
1095         ERR("Expected AVI movie list, but got %.04s\n", (LPSTR)&list.fccListType);
1096         return E_FAIL;
1097     }
1098
1099     IAsyncReader_Length(This->pReader, &total, &avail);
1100
1101     /* FIXME: AVIX files are extended beyond the FOURCC chunk "AVI ", and thus won't be played here,
1102      * once I get one of the files I'll try to fix it */
1103     if (hr == S_OK)
1104     {
1105         This->rtStart = pAviSplit->CurrentChunkOffset = MEDIATIME_FROM_BYTES(pos + sizeof(RIFFLIST));
1106         pos += list.cb + sizeof(RIFFCHUNK);
1107
1108         pAviSplit->EndOfFile = This->rtStop = MEDIATIME_FROM_BYTES(pos);
1109         if (pos > total)
1110         {
1111             ERR("File smaller (%x%08x) then EndOfFile (%x%08x)\n", (DWORD)(total >> 32), (DWORD)total, (DWORD)(pAviSplit->EndOfFile >> 32), (DWORD)pAviSplit->EndOfFile);
1112             return E_FAIL;
1113         }
1114
1115         hr = IAsyncReader_SyncRead(This->pReader, BYTES_FROM_MEDIATIME(pAviSplit->CurrentChunkOffset), sizeof(pAviSplit->CurrentChunk), (BYTE *)&pAviSplit->CurrentChunk);
1116     }
1117
1118     props->cbAlign = 1;
1119     props->cbPrefix = 0;
1120     /* Comrades, prevent shortage of buffers, or you will feel the consequences! DA! */
1121     props->cBuffers = 2 * pAviSplit->Parser.cStreams;
1122
1123     /* Now peek into the idx1 index, if available */
1124     if (hr == S_OK && (total - pos) > sizeof(RIFFCHUNK))
1125     {
1126         memset(&list, 0, sizeof(list));
1127
1128         hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
1129         if (list.fcc == ckidAVIOLDINDEX)
1130         {
1131             pAviSplit->oldindex = CoTaskMemRealloc(pAviSplit->oldindex, list.cb + sizeof(RIFFCHUNK));
1132             if (pAviSplit->oldindex)
1133             {
1134                 hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(RIFFCHUNK) + list.cb, (BYTE *)pAviSplit->oldindex);
1135                 if (hr == S_OK)
1136                 {
1137                     hr = AVISplitter_ProcessOldIndex(pAviSplit);
1138                 }
1139                 else
1140                 {
1141                     CoTaskMemFree(pAviSplit->oldindex);
1142                     pAviSplit->oldindex = NULL;
1143                     hr = S_OK;
1144                 }
1145             }
1146         }
1147     }
1148
1149     indexes = 0;
1150     for (x = 0; x < pAviSplit->Parser.cStreams; ++x)
1151         if (pAviSplit->streams[x].entries)
1152             ++indexes;
1153
1154     if (indexes)
1155     {
1156         CoTaskMemFree(pAviSplit->oldindex);
1157         pAviSplit->oldindex = NULL;
1158         if (indexes < pAviSplit->Parser.cStreams)
1159         {
1160             /* This error could possible be survived by switching to old type index,
1161              * but I would rather find out why it doesn't find everything here
1162              */
1163             ERR("%d indexes expected, but only have %d\n", indexes, pAviSplit->Parser.cStreams);
1164             indexes = 0;
1165         }
1166     }
1167     else if (!indexes && pAviSplit->oldindex)
1168         indexes = pAviSplit->Parser.cStreams;
1169
1170     if (!indexes && pAviSplit->AviHeader.dwFlags & AVIF_MUSTUSEINDEX)
1171     {
1172         FIXME("No usable index was found!\n");
1173         hr = E_FAIL;
1174     }
1175
1176     /* Now, set up the streams */
1177     if (hr == S_OK)
1178         hr = AVISplitter_InitializeStreams(pAviSplit);
1179
1180     if (hr != S_OK)
1181     {
1182         AVISplitter_Disconnect(pAviSplit);
1183         return E_FAIL;
1184     }
1185
1186     TRACE("AVI File ok\n");
1187
1188     return hr;
1189 }
1190
1191 static HRESULT AVISplitter_Flush(LPVOID iface)
1192 {
1193     AVISplitterImpl *This = (AVISplitterImpl*)iface;
1194     DWORD x;
1195
1196     ERR("(%p)->()\n", This);
1197
1198     for (x = 0; x < This->Parser.cStreams; ++x)
1199     {
1200         StreamData *stream = This->streams + x;
1201
1202         if (stream->sample)
1203             assert(IMediaSample_Release(stream->sample) == 0);
1204         stream->sample = NULL;
1205
1206         ResetEvent(stream->packet_queued);
1207         assert(!stream->thread);
1208     }
1209
1210     return S_OK;
1211 }
1212
1213 static HRESULT AVISplitter_Disconnect(LPVOID iface)
1214 {
1215     AVISplitterImpl *This = iface;
1216     int x;
1217
1218     /* TODO: Remove other memory that's allocated during connect */
1219     CoTaskMemFree(This->oldindex);
1220     This->oldindex = NULL;
1221
1222     for (x = 0; x < This->Parser.cStreams; ++x)
1223     {
1224         int i;
1225
1226         StreamData *stream = &This->streams[x];
1227
1228         for (i = 0; i < stream->entries; ++i)
1229             CoTaskMemFree(stream->stdindex[i]);
1230
1231         CoTaskMemFree(stream->stdindex);
1232         CloseHandle(stream->packet_queued);
1233     }
1234     CoTaskMemFree(This->streams);
1235     This->streams = NULL;
1236     return S_OK;
1237 }
1238
1239 static ULONG WINAPI AVISplitter_Release(IBaseFilter *iface)
1240 {
1241     AVISplitterImpl *This = (AVISplitterImpl *)iface;
1242     ULONG ref;
1243
1244     ref = InterlockedDecrement(&This->Parser.refCount);
1245
1246     TRACE("(%p)->() Release from %d\n", This, ref + 1);
1247
1248     if (!ref)
1249     {
1250         AVISplitter_Flush(This);
1251         Parser_Destroy(&This->Parser);
1252     }
1253
1254     return ref;
1255 }
1256
1257 static HRESULT AVISplitter_seek(IBaseFilter *iface)
1258 {
1259     AVISplitterImpl *This = (AVISplitterImpl *)iface;
1260     PullPin *pPin = This->Parser.pInputPin;
1261     LONGLONG newpos, endpos;
1262     DWORD x;
1263
1264     newpos = This->Parser.mediaSeeking.llCurrent;
1265     endpos = This->Parser.mediaSeeking.llDuration;
1266
1267     if (newpos > endpos)
1268     {
1269         WARN("Requesting position %x%08x beyond end of stream %x%08x\n", (DWORD)(newpos>>32), (DWORD)newpos, (DWORD)(endpos>>32), (DWORD)endpos);
1270         return E_INVALIDARG;
1271     }
1272
1273     FIXME("Moving position to %u.%03u s!\n", (DWORD)(newpos / 10000000), (DWORD)((newpos / 10000)%1000));
1274
1275     EnterCriticalSection(&pPin->thread_lock);
1276     /* Send a flush to all output pins */
1277     IPin_BeginFlush((IPin *)pPin);
1278
1279     /* Make sure this is done while stopped, BeginFlush takes care of this */
1280     EnterCriticalSection(&This->Parser.csFilter);
1281     for (x = 0; x < This->Parser.cStreams; ++x)
1282     {
1283         Parser_OutputPin *pin = (Parser_OutputPin *)This->Parser.ppPins[1+x];
1284         StreamData *stream = This->streams + x;
1285         IPin *victim = NULL;
1286         LONGLONG wanted_frames;
1287         DWORD last_keyframe = 0, last_keyframeidx = 0, preroll = 0;
1288
1289         wanted_frames = newpos;
1290         wanted_frames *= stream->streamheader.dwRate;
1291         wanted_frames /= 10000000;
1292         wanted_frames /= stream->streamheader.dwScale;
1293
1294         IPin_ConnectedTo((IPin *)pin, &victim);
1295         if (victim)
1296         {
1297             IPin_NewSegment(victim, newpos, endpos, pPin->dRate);
1298             IPin_Release(victim);
1299         }
1300
1301         pin->dwSamplesProcessed = 0;
1302         stream->index = 0;
1303         stream->pos = 0;
1304         stream->seek = 1;
1305         if (stream->stdindex)
1306         {
1307             DWORD y, z = 0;
1308
1309             for (y = 0; y < stream->entries; ++y)
1310             {
1311                 for (z = 0; z < stream->stdindex[y]->nEntriesInUse; ++z)
1312                 {
1313                     if (stream->streamheader.dwSampleSize)
1314                     {
1315                         ULONG len = stream->stdindex[y]->aIndex[z].dwSize & ~(1 << 31);
1316                         ULONG size = stream->streamheader.dwSampleSize;
1317
1318                         pin->dwSamplesProcessed += len / size;
1319                         if (len % size)
1320                             ++pin->dwSamplesProcessed;
1321                     }
1322                     else ++pin->dwSamplesProcessed;
1323
1324                     if (!(stream->stdindex[y]->aIndex[z].dwSize >> 31))
1325                     {
1326                         last_keyframe = z;
1327                         last_keyframeidx = y;
1328                         preroll = 0;
1329                     }
1330                     else
1331                         ++preroll;
1332
1333                     if (pin->dwSamplesProcessed >= wanted_frames)
1334                         break;
1335                 }
1336                 if (pin->dwSamplesProcessed >= wanted_frames)
1337                     break;
1338             }
1339             stream->index = last_keyframeidx;
1340             stream->pos = last_keyframe;
1341         }
1342         else
1343         {
1344             DWORD nMax, n;
1345             nMax = This->oldindex->cb / sizeof(This->oldindex->aIndex[0]);
1346
1347             for (n = 0; n < nMax; ++n)
1348             {
1349                 DWORD streamId = StreamFromFOURCC(This->oldindex->aIndex[n].dwChunkId);
1350                 if (streamId != x)
1351                     continue;
1352
1353                 if (stream->streamheader.dwSampleSize)
1354                 {
1355                     ULONG len = This->oldindex->aIndex[n].dwSize;
1356                     ULONG size = stream->streamheader.dwSampleSize;
1357
1358                     pin->dwSamplesProcessed += len / size;
1359                     if (len % size)
1360                         ++pin->dwSamplesProcessed;
1361                 }
1362                 else ++pin->dwSamplesProcessed;
1363
1364                 if (This->oldindex->aIndex[n].dwFlags & AVIIF_KEYFRAME)
1365                 {
1366                     last_keyframe = n;
1367                     preroll = 0;
1368                 }
1369                 else
1370                     ++preroll;
1371
1372                 if (pin->dwSamplesProcessed >= wanted_frames)
1373                     break;
1374             }
1375             assert(n < nMax);
1376             stream->pos = last_keyframe;
1377             stream->index = 0;
1378         }
1379         stream->preroll = preroll;
1380         stream->seek = 1;
1381     }
1382     LeaveCriticalSection(&This->Parser.csFilter);
1383
1384     TRACE("Done flushing\n");
1385     IPin_EndFlush((IPin *)pPin);
1386     LeaveCriticalSection(&pPin->thread_lock);
1387
1388     return S_OK;
1389 }
1390
1391 static const IBaseFilterVtbl AVISplitterImpl_Vtbl =
1392 {
1393     Parser_QueryInterface,
1394     Parser_AddRef,
1395     AVISplitter_Release,
1396     Parser_GetClassID,
1397     Parser_Stop,
1398     Parser_Pause,
1399     Parser_Run,
1400     Parser_GetState,
1401     Parser_SetSyncSource,
1402     Parser_GetSyncSource,
1403     Parser_EnumPins,
1404     Parser_FindPin,
1405     Parser_QueryFilterInfo,
1406     Parser_JoinFilterGraph,
1407     Parser_QueryVendorInfo
1408 };
1409
1410 HRESULT AVISplitter_create(IUnknown * pUnkOuter, LPVOID * ppv)
1411 {
1412     HRESULT hr;
1413     AVISplitterImpl * This;
1414
1415     TRACE("(%p, %p)\n", pUnkOuter, ppv);
1416
1417     *ppv = NULL;
1418
1419     if (pUnkOuter)
1420         return CLASS_E_NOAGGREGATION;
1421
1422     /* Note: This memory is managed by the transform filter once created */
1423     This = CoTaskMemAlloc(sizeof(AVISplitterImpl));
1424
1425     This->streams = NULL;
1426     This->oldindex = NULL;
1427
1428     hr = Parser_Create(&(This->Parser), &AVISplitterImpl_Vtbl, &CLSID_AviSplitter, AVISplitter_Sample, AVISplitter_QueryAccept, AVISplitter_InputPin_PreConnect, AVISplitter_Flush, AVISplitter_Disconnect, AVISplitter_first_request, AVISplitter_done_process, NULL, AVISplitter_seek, NULL);
1429
1430     if (FAILED(hr))
1431         return hr;
1432
1433     *ppv = (LPVOID)This;
1434
1435     return hr;
1436 }