[DIRECTX/WINE]
[reactos.git] / reactos / dll / directx / wine / quartz / avisplit.c
diff --git a/reactos/dll/directx/wine/quartz/avisplit.c b/reactos/dll/directx/wine/quartz/avisplit.c
new file mode 100644 (file)
index 0000000..8e67341
--- /dev/null
@@ -0,0 +1,1455 @@
+/*
+ * AVI Splitter Filter
+ *
+ * Copyright 2003 Robert Shearman
+ * Copyright 2004-2005 Christian Costa
+ * Copyright 2008 Maarten Lankhorst
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+/* FIXME:
+ * - Reference leaks, if they still exist
+ * - Files without an index are not handled correctly yet.
+ * - When stopping/starting, a sample is lost. This should be compensated by
+ *   keeping track of previous index/position.
+ * - Debugging channels are noisy at the moment, especially with thread
+ *   related messages, however this is the only correct thing to do right now,
+ *   since wine doesn't correctly handle all messages yet.
+ */
+
+#include "quartz_private.h"
+#include "pin.h"
+
+//#include "uuids.h"
+#include <vfw.h>
+#include <aviriff.h>
+//#include "vfwmsgs.h"
+//#include "amvideo.h"
+
+//#include <wine/unicode.h>
+#include <wine/debug.h>
+
+//#include <math.h>
+#include <assert.h>
+
+#include "parser.h"
+
+#define TWOCCFromFOURCC(fcc) HIWORD(fcc)
+
+/* four character codes used in AVI files */
+#define ckidINFO       mmioFOURCC('I','N','F','O')
+#define ckidREC        mmioFOURCC('R','E','C',' ')
+
+WINE_DEFAULT_DEBUG_CHANNEL(quartz);
+
+typedef struct StreamData
+{
+    DWORD dwSampleSize;
+    FLOAT fSamplesPerSec;
+    DWORD dwLength;
+
+    AVISTREAMHEADER streamheader;
+    DWORD entries;
+    AVISTDINDEX **stdindex;
+    DWORD frames;
+    DWORD seek;
+
+    /* Position, in index units */
+    DWORD pos, pos_next, index, index_next;
+
+    /* Packet handling: a thread is created and waits on the packet event handle
+     * On an event acquire the sample lock, addref the sample and set it to NULL,
+     * then queue a new packet.
+     */
+    HANDLE thread, packet_queued;
+    IMediaSample *sample;
+
+    /* Amount of preroll samples for this stream */
+    DWORD preroll;
+} StreamData;
+
+typedef struct AVISplitterImpl
+{
+    ParserImpl Parser;
+    RIFFCHUNK CurrentChunk;
+    LONGLONG CurrentChunkOffset; /* in media time */
+    LONGLONG EndOfFile;
+    AVIMAINHEADER AviHeader;
+    AVIEXTHEADER ExtHeader;
+
+    AVIOLDINDEX *oldindex;
+    DWORD offset;
+
+    StreamData *streams;
+} AVISplitterImpl;
+
+struct thread_args {
+    AVISplitterImpl *This;
+    DWORD stream;
+};
+
+static inline AVISplitterImpl *impl_from_IMediaSeeking( IMediaSeeking *iface )
+{
+    return CONTAINING_RECORD(iface, AVISplitterImpl, Parser.sourceSeeking.IMediaSeeking_iface);
+}
+
+/* The threading stuff cries for an explanation
+ *
+ * PullPin starts processing and calls AVISplitter_first_request
+ * AVISplitter_first_request creates a thread for each stream
+ * A stream can be audio, video, subtitles or something undefined.
+ *
+ * AVISplitter_first_request loads a single packet to each but one stream,
+ * and queues it for that last stream. This is to prevent WaitForNext to time
+ * out badly.
+ *
+ * The processing loop is entered. It calls IAsyncReader_WaitForNext in the
+ * PullPin. Every time it receives a packet, it will call AVISplitter_Sample
+ * AVISplitter_Sample will signal the relevant thread that a new sample is
+ * arrived, when that thread is ready it will read the packet and transmits
+ * it downstream with AVISplitter_Receive
+ *
+ * Threads terminate upon receiving NULL as packet or when ANY error code
+ * != S_OK occurs. This means that any error is fatal to processing.
+ */
+
+static HRESULT AVISplitter_SendEndOfFile(AVISplitterImpl *This, DWORD streamnumber)
+{
+    IPin* ppin = NULL;
+    HRESULT hr;
+
+    TRACE("End of file reached\n");
+
+    hr = IPin_ConnectedTo(This->Parser.ppPins[streamnumber+1], &ppin);
+    if (SUCCEEDED(hr))
+    {
+        hr = IPin_EndOfStream(ppin);
+        IPin_Release(ppin);
+    }
+    TRACE("--> %x\n", hr);
+
+    /* Force the pullpin thread to stop */
+    return S_FALSE;
+}
+
+/* Thread worker horse */
+static HRESULT AVISplitter_next_request(AVISplitterImpl *This, DWORD streamnumber)
+{
+    StreamData *stream = This->streams + streamnumber;
+    PullPin *pin = This->Parser.pInputPin;
+    IMediaSample *sample = NULL;
+    HRESULT hr;
+
+    TRACE("(%p, %u)->()\n", This, streamnumber);
+
+    hr = IMemAllocator_GetBuffer(pin->pAlloc, &sample, NULL, NULL, 0);
+    if (hr != S_OK)
+        ERR("... %08x?\n", hr);
+
+    if (SUCCEEDED(hr))
+    {
+        LONGLONG rtSampleStart;
+        /* Add 4 for the next header, which should hopefully work */
+        LONGLONG rtSampleStop;
+
+        stream->pos = stream->pos_next;
+        stream->index = stream->index_next;
+
+        IMediaSample_SetDiscontinuity(sample, stream->seek);
+        stream->seek = FALSE;
+        if (stream->preroll)
+        {
+            --stream->preroll;
+            IMediaSample_SetPreroll(sample, TRUE);
+        }
+        else
+            IMediaSample_SetPreroll(sample, FALSE);
+        IMediaSample_SetSyncPoint(sample, TRUE);
+
+        if (stream->stdindex)
+        {
+            AVISTDINDEX *index = stream->stdindex[stream->index];
+            AVISTDINDEX_ENTRY *entry = &index->aIndex[stream->pos];
+
+            /* End of file */
+            if (stream->index >= stream->entries)
+            {
+                TRACE("END OF STREAM ON %u\n", streamnumber);
+                IMediaSample_Release(sample);
+                return S_FALSE;
+            }
+
+            rtSampleStart = index->qwBaseOffset;
+            rtSampleStart += entry->dwOffset;
+            rtSampleStart = MEDIATIME_FROM_BYTES(rtSampleStart);
+
+            ++stream->pos_next;
+            if (index->nEntriesInUse == stream->pos_next)
+            {
+                stream->pos_next = 0;
+                ++stream->index_next;
+            }
+
+            rtSampleStop = rtSampleStart + MEDIATIME_FROM_BYTES(entry->dwSize & ~(1 << 31));
+
+            TRACE("offset(%u) size(%u)\n", (DWORD)BYTES_FROM_MEDIATIME(rtSampleStart), (DWORD)BYTES_FROM_MEDIATIME(rtSampleStop - rtSampleStart));
+        }
+        else if (This->oldindex)
+        {
+            DWORD flags = This->oldindex->aIndex[stream->pos].dwFlags;
+            DWORD size = This->oldindex->aIndex[stream->pos].dwSize;
+
+            /* End of file */
+            if (stream->index)
+            {
+                TRACE("END OF STREAM ON %u\n", streamnumber);
+                IMediaSample_Release(sample);
+                return S_FALSE;
+            }
+
+            rtSampleStart = MEDIATIME_FROM_BYTES(This->offset);
+            rtSampleStart += MEDIATIME_FROM_BYTES(This->oldindex->aIndex[stream->pos].dwOffset);
+            rtSampleStop = rtSampleStart + MEDIATIME_FROM_BYTES(size);
+            if (flags & AVIIF_MIDPART)
+            {
+                FIXME("Only stand alone frames are currently handled correctly!\n");
+            }
+            if (flags & AVIIF_LIST)
+            {
+                FIXME("Not sure if this is handled correctly\n");
+                rtSampleStart += MEDIATIME_FROM_BYTES(sizeof(RIFFLIST));
+                rtSampleStop += MEDIATIME_FROM_BYTES(sizeof(RIFFLIST));
+            }
+            else
+            {
+                rtSampleStart += MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK));
+                rtSampleStop += MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK));
+            }
+
+            /* Slow way of finding next index */
+            do {
+                stream->pos_next++;
+            } while (stream->pos_next * sizeof(This->oldindex->aIndex[0]) < This->oldindex->cb
+                     && StreamFromFOURCC(This->oldindex->aIndex[stream->pos_next].dwChunkId) != streamnumber);
+
+            /* End of file soon */
+            if (stream->pos_next * sizeof(This->oldindex->aIndex[0]) >= This->oldindex->cb)
+            {
+                stream->pos_next = 0;
+                ++stream->index_next;
+            }
+        }
+        else /* TODO: Generate an index automagically */
+        {
+            ERR("CAN'T PLAY WITHOUT AN INDEX! SOS! SOS! SOS!\n");
+            assert(0);
+        }
+
+        if (rtSampleStart != rtSampleStop)
+        {
+            hr = IMediaSample_SetTime(sample, &rtSampleStart, &rtSampleStop);
+
+            hr = IAsyncReader_Request(pin->pReader, sample, streamnumber);
+
+            if (FAILED(hr))
+                assert(IMediaSample_Release(sample) == 0);
+        }
+        else
+        {
+            stream->sample = sample;
+            IMediaSample_SetActualDataLength(sample, 0);
+            SetEvent(stream->packet_queued);
+        }
+    }
+    else
+    {
+        if (sample)
+        {
+            ERR("There should be no sample!\n");
+            assert(IMediaSample_Release(sample) == 0);
+        }
+    }
+    TRACE("--> %08x\n", hr);
+
+    return hr;
+}
+
+static HRESULT AVISplitter_Receive(AVISplitterImpl *This, IMediaSample *sample, DWORD streamnumber)
+{
+    Parser_OutputPin *pin = unsafe_impl_Parser_OutputPin_from_IPin(This->Parser.ppPins[1+streamnumber]);
+    HRESULT hr;
+    LONGLONG start, stop, rtstart, rtstop;
+    StreamData *stream = &This->streams[streamnumber];
+
+    start = pin->dwSamplesProcessed;
+    start *= stream->streamheader.dwScale;
+    start *= 10000000;
+    start /= stream->streamheader.dwRate;
+
+    if (stream->streamheader.dwSampleSize)
+    {
+        ULONG len = IMediaSample_GetActualDataLength(sample);
+        ULONG size = stream->streamheader.dwSampleSize;
+
+        pin->dwSamplesProcessed += len / size;
+    }
+    else
+        ++pin->dwSamplesProcessed;
+
+    stop = pin->dwSamplesProcessed;
+    stop *= stream->streamheader.dwScale;
+    stop *= 10000000;
+    stop /= stream->streamheader.dwRate;
+
+    if (IMediaSample_IsDiscontinuity(sample) == S_OK) {
+        IPin *victim;
+        EnterCriticalSection(&This->Parser.filter.csFilter);
+        pin->pin.pin.tStart = start;
+        pin->pin.pin.dRate = This->Parser.sourceSeeking.dRate;
+        hr = IPin_ConnectedTo(&pin->pin.pin.IPin_iface, &victim);
+        if (hr == S_OK)
+        {
+            hr = IPin_NewSegment(victim, start, This->Parser.sourceSeeking.llStop,
+                                 This->Parser.sourceSeeking.dRate);
+            if (hr != S_OK)
+                FIXME("NewSegment returns %08x\n", hr);
+            IPin_Release(victim);
+        }
+        LeaveCriticalSection(&This->Parser.filter.csFilter);
+        if (hr != S_OK)
+            return hr;
+    }
+    rtstart = (double)(start - pin->pin.pin.tStart) / pin->pin.pin.dRate;
+    rtstop = (double)(stop - pin->pin.pin.tStart) / pin->pin.pin.dRate;
+    hr = IMediaSample_SetMediaTime(sample, &start, &stop);
+    IMediaSample_SetTime(sample, &rtstart, &rtstop);
+    IMediaSample_SetMediaTime(sample, &start, &stop);
+
+    hr = BaseOutputPinImpl_Deliver(&pin->pin, sample);
+
+/* Uncomment this if you want to debug the time differences between the
+ * different streams, it is useful for that
+ *
+    FIXME("stream %u, hr: %08x, Start: %u.%03u, Stop: %u.%03u\n", streamnumber, hr,
+           (DWORD)(start / 10000000), (DWORD)((start / 10000)%1000),
+           (DWORD)(stop / 10000000), (DWORD)((stop / 10000)%1000));
+*/
+    return hr;
+}
+
+static DWORD WINAPI AVISplitter_thread_reader(LPVOID data)
+{
+    struct thread_args *args = data;
+    AVISplitterImpl *This = args->This;
+    DWORD streamnumber = args->stream;
+    HRESULT hr = S_OK;
+
+    do
+    {
+        HRESULT nexthr = S_FALSE;
+        IMediaSample *sample;
+
+        WaitForSingleObject(This->streams[streamnumber].packet_queued, INFINITE);
+        sample = This->streams[streamnumber].sample;
+        This->streams[streamnumber].sample = NULL;
+        if (!sample)
+            break;
+
+        nexthr = AVISplitter_next_request(This, streamnumber);
+
+        hr = AVISplitter_Receive(This, sample, streamnumber);
+        if (hr != S_OK)
+            FIXME("Receiving error: %08x\n", hr);
+
+        IMediaSample_Release(sample);
+        if (hr == S_OK)
+            hr = nexthr;
+        if (nexthr == S_FALSE)
+            AVISplitter_SendEndOfFile(This, streamnumber);
+    } while (hr == S_OK);
+
+    if (hr != S_FALSE)
+        FIXME("Thread %u terminated with hr %08x!\n", streamnumber, hr);
+    else
+        TRACE("Thread %u terminated properly\n", streamnumber);
+    return hr;
+}
+
+static HRESULT AVISplitter_Sample(LPVOID iface, IMediaSample * pSample, DWORD_PTR cookie)
+{
+    AVISplitterImpl *This = iface;
+    StreamData *stream = This->streams + cookie;
+    HRESULT hr = S_OK;
+
+    if (!IMediaSample_GetActualDataLength(pSample))
+    {
+        ERR("Received empty sample\n");
+        return S_OK;
+    }
+
+    /* Send the sample to whatever thread is appropriate
+     * That thread should also not have a sample queued at the moment
+     */
+    /* Debugging */
+    TRACE("(%p)->(%p size: %u, %lu)\n", This, pSample, IMediaSample_GetActualDataLength(pSample), cookie);
+    assert(cookie < This->Parser.cStreams);
+    assert(!stream->sample);
+    assert(WaitForSingleObject(stream->packet_queued, 0) == WAIT_TIMEOUT);
+
+    IMediaSample_AddRef(pSample);
+
+    stream->sample = pSample;
+    SetEvent(stream->packet_queued);
+
+    return hr;
+}
+
+static HRESULT AVISplitter_done_process(LPVOID iface);
+
+/* On the first request we have to be sure that (cStreams-1) samples have
+ * already been processed, because otherwise some pins might not ever finish
+ * a Pause state change
+ */
+static HRESULT AVISplitter_first_request(LPVOID iface)
+{
+    AVISplitterImpl *This = iface;
+    HRESULT hr = S_OK;
+    DWORD x;
+    IMediaSample *sample = NULL;
+    BOOL have_sample = FALSE;
+
+    TRACE("(%p)->()\n", This);
+
+    for (x = 0; x < This->Parser.cStreams; ++x)
+    {
+        StreamData *stream = This->streams + x;
+
+        /* Nothing should be running at this point */
+        assert(!stream->thread);
+
+        assert(!sample);
+        /* It could be we asked the thread to terminate, and the thread
+         * already terminated before receiving the deathwish */
+        ResetEvent(stream->packet_queued);
+
+        stream->pos_next = stream->pos;
+        stream->index_next = stream->index;
+
+        /* This was sent after stopped->paused or stopped->playing, so set seek */
+        stream->seek = 1;
+
+        /* There should be a packet queued from AVISplitter_next_request last time
+         * It needs to be done now because this is the only way to ensure that every
+         * stream will have at least 1 packet processed
+         * If this is done after the threads start it could go all awkward and we
+         * would have no guarantees that it's successful at all
+         */
+
+        if (have_sample)
+        {
+            DWORD_PTR dwUser = ~0;
+            hr = IAsyncReader_WaitForNext(This->Parser.pInputPin->pReader, 10000, &sample, &dwUser);
+            assert(hr == S_OK);
+            assert(sample);
+
+            AVISplitter_Sample(iface, sample, dwUser);
+            IMediaSample_Release(sample);
+        }
+
+        hr = AVISplitter_next_request(This, x);
+        TRACE("-->%08x\n", hr);
+
+        /* Could be an EOF instead */
+        have_sample = (hr == S_OK);
+        if (hr == S_FALSE)
+            AVISplitter_SendEndOfFile(This, x);
+
+        if (FAILED(hr) && hr != VFW_E_NOT_CONNECTED)
+            break;
+        hr = S_OK;
+    }
+
+    /* FIXME: Don't do this for each pin that sent an EOF */
+    for (x = 0; x < This->Parser.cStreams && SUCCEEDED(hr); ++x)
+    {
+        struct thread_args *args;
+        DWORD tid;
+
+        if ((This->streams[x].stdindex && This->streams[x].index_next >= This->streams[x].entries) ||
+            (!This->streams[x].stdindex && This->streams[x].index_next))
+        {
+            This->streams[x].thread = NULL;
+            continue;
+        }
+
+        args = CoTaskMemAlloc(sizeof(*args));
+        args->This = This;
+        args->stream = x;
+        This->streams[x].thread = CreateThread(NULL, 0, AVISplitter_thread_reader, args, 0, &tid);
+        TRACE("Created stream %u thread 0x%08x\n", x, tid);
+    }
+
+    if (FAILED(hr))
+        ERR("Horsemen of the apocalypse came to bring error 0x%08x\n", hr);
+
+    return hr;
+}
+
+static HRESULT AVISplitter_done_process(LPVOID iface)
+{
+    AVISplitterImpl *This = iface;
+
+    DWORD x;
+
+    for (x = 0; x < This->Parser.cStreams; ++x)
+    {
+        StreamData *stream = This->streams + x;
+
+        TRACE("Waiting for %u to terminate\n", x);
+        /* Make the thread return first */
+        SetEvent(stream->packet_queued);
+        assert(WaitForSingleObject(stream->thread, 100000) != WAIT_TIMEOUT);
+        CloseHandle(stream->thread);
+        stream->thread = NULL;
+
+        if (stream->sample)
+            assert(IMediaSample_Release(stream->sample) == 0);
+        stream->sample = NULL;
+
+        ResetEvent(stream->packet_queued);
+    }
+    TRACE("All threads are now terminated\n");
+
+    return S_OK;
+}
+
+static HRESULT AVISplitter_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
+{
+    if (IsEqualIID(&pmt->majortype, &MEDIATYPE_Stream) && IsEqualIID(&pmt->subtype, &MEDIASUBTYPE_Avi))
+        return S_OK;
+    return S_FALSE;
+}
+
+static HRESULT AVISplitter_ProcessIndex(AVISplitterImpl *This, AVISTDINDEX **index, LONGLONG qwOffset, DWORD cb)
+{
+    AVISTDINDEX *pIndex;
+    DWORD x;
+    int rest;
+
+    *index = NULL;
+    if (cb < sizeof(AVISTDINDEX))
+    {
+        FIXME("size %u too small\n", cb);
+        return E_INVALIDARG;
+    }
+
+    pIndex = CoTaskMemAlloc(cb);
+    if (!pIndex)
+        return E_OUTOFMEMORY;
+
+    IAsyncReader_SyncRead((impl_PullPin_from_IPin(This->Parser.ppPins[0]))->pReader, qwOffset, cb, (BYTE *)pIndex);
+    rest = cb - sizeof(AVISUPERINDEX) + sizeof(RIFFCHUNK) + sizeof(pIndex->aIndex);
+
+    TRACE("FOURCC: %s\n", debugstr_an((char *)&pIndex->fcc, 4));
+    TRACE("wLongsPerEntry: %hd\n", pIndex->wLongsPerEntry);
+    TRACE("bIndexSubType: %u\n", pIndex->bIndexSubType);
+    TRACE("bIndexType: %u\n", pIndex->bIndexType);
+    TRACE("nEntriesInUse: %u\n", pIndex->nEntriesInUse);
+    TRACE("dwChunkId: %.4s\n", (char *)&pIndex->dwChunkId);
+    TRACE("qwBaseOffset: %x%08x\n", (DWORD)(pIndex->qwBaseOffset >> 32), (DWORD)pIndex->qwBaseOffset);
+    TRACE("dwReserved_3: %u\n", pIndex->dwReserved_3);
+
+    if (pIndex->bIndexType != AVI_INDEX_OF_CHUNKS
+        || pIndex->wLongsPerEntry != 2
+        || rest < (pIndex->nEntriesInUse * sizeof(DWORD) * pIndex->wLongsPerEntry)
+        || (pIndex->bIndexSubType != AVI_INDEX_SUB_DEFAULT))
+    {
+        FIXME("Invalid index chunk encountered: %u/%u, %u/%u, %u/%u, %u/%u\n",
+              pIndex->bIndexType, AVI_INDEX_OF_CHUNKS, pIndex->wLongsPerEntry, 2,
+              rest, (DWORD)(pIndex->nEntriesInUse * sizeof(DWORD) * pIndex->wLongsPerEntry),
+              pIndex->bIndexSubType, AVI_INDEX_SUB_DEFAULT);
+        *index = NULL;
+        return E_INVALIDARG;
+    }
+
+    for (x = 0; x < pIndex->nEntriesInUse; ++x)
+    {
+        BOOL keyframe = !(pIndex->aIndex[x].dwSize >> 31);
+        DWORDLONG offset = pIndex->qwBaseOffset + pIndex->aIndex[x].dwOffset;
+        TRACE("dwOffset: %x%08x\n", (DWORD)(offset >> 32), (DWORD)offset);
+        TRACE("dwSize: %u\n", (pIndex->aIndex[x].dwSize & ~(1<<31)));
+        TRACE("Frame is a keyframe: %s\n", keyframe ? "yes" : "no");
+    }
+
+    *index = pIndex;
+    return S_OK;
+}
+
+static HRESULT AVISplitter_ProcessOldIndex(AVISplitterImpl *This)
+{
+    ULONGLONG mov_pos = BYTES_FROM_MEDIATIME(This->CurrentChunkOffset) - sizeof(DWORD);
+    AVIOLDINDEX *pAviOldIndex = This->oldindex;
+    int relative = -1;
+    DWORD x;
+
+    for (x = 0; x < pAviOldIndex->cb / sizeof(pAviOldIndex->aIndex[0]); ++x)
+    {
+        DWORD temp, temp2 = 0, offset, chunkid;
+        PullPin *pin = This->Parser.pInputPin;
+
+        offset = pAviOldIndex->aIndex[x].dwOffset;
+        chunkid = pAviOldIndex->aIndex[x].dwChunkId;
+
+        TRACE("dwChunkId: %.4s\n", (char *)&chunkid);
+        TRACE("dwFlags: %08x\n", pAviOldIndex->aIndex[x].dwFlags);
+        TRACE("dwOffset (%s): %08x\n", relative ? "relative" : "absolute", offset);
+        TRACE("dwSize: %08x\n", pAviOldIndex->aIndex[x].dwSize);
+
+        /* Only scan once, or else this will take too long */
+        if (relative == -1)
+        {
+            IAsyncReader_SyncRead(pin->pReader, offset, sizeof(DWORD), (BYTE *)&temp);
+            relative = (chunkid != temp);
+
+            if (chunkid == mmioFOURCC('7','F','x','x')
+                && ((char *)&temp)[0] == 'i' && ((char *)&temp)[1] == 'x')
+                relative = FALSE;
+
+            if (relative)
+            {
+                if (offset + mov_pos < BYTES_FROM_MEDIATIME(This->EndOfFile))
+                    IAsyncReader_SyncRead(pin->pReader, offset + mov_pos, sizeof(DWORD), (BYTE *)&temp2);
+
+                if (chunkid == mmioFOURCC('7','F','x','x')
+                    && ((char *)&temp2)[0] == 'i' && ((char *)&temp2)[1] == 'x')
+                {
+                    /* Do nothing, all is great */
+                }
+                else if (temp2 != chunkid)
+                {
+                    ERR("Faulty index or bug in handling: Wanted FCC: %s, Abs FCC: %s (@ %x), Rel FCC: %s (@ %.0x%08x)\n",
+                        debugstr_an((char *)&chunkid, 4), debugstr_an((char *)&temp, 4), offset,
+                        debugstr_an((char *)&temp2, 4), (DWORD)((mov_pos + offset) >> 32), (DWORD)(mov_pos + offset));
+                    relative = -1;
+                }
+                else
+                    TRACE("Scanned dwChunkId: %s\n", debugstr_an((char *)&temp2, 4));
+            }
+            else if (!relative)
+                TRACE("Scanned dwChunkId: %s\n", debugstr_an((char *)&temp, 4));
+        }
+        /* Only dump one packet */
+        else break;
+    }
+
+    if (relative == -1)
+    {
+        FIXME("Dropping index: no idea whether it is relative or absolute\n");
+        CoTaskMemFree(This->oldindex);
+        This->oldindex = NULL;
+    }
+    else if (!relative)
+        This->offset = 0;
+    else
+        This->offset = (DWORD)mov_pos;
+
+    return S_OK;
+}
+
+static HRESULT AVISplitter_ProcessStreamList(AVISplitterImpl * This, const BYTE * pData, DWORD cb, ALLOCATOR_PROPERTIES *props)
+{
+    PIN_INFO piOutput;
+    const RIFFCHUNK * pChunk;
+    HRESULT hr;
+    AM_MEDIA_TYPE amt;
+    float fSamplesPerSec = 0.0f;
+    DWORD dwSampleSize = 0;
+    DWORD dwLength = 0;
+    DWORD nstdindex = 0;
+    static const WCHAR wszStreamTemplate[] = {'S','t','r','e','a','m',' ','%','0','2','d',0};
+    StreamData *stream;
+
+    ZeroMemory(&amt, sizeof(amt));
+    piOutput.dir = PINDIR_OUTPUT;
+    piOutput.pFilter = (IBaseFilter *)This;
+    wsprintfW(piOutput.achName, wszStreamTemplate, This->Parser.cStreams);
+    This->streams = CoTaskMemRealloc(This->streams, sizeof(StreamData) * (This->Parser.cStreams+1));
+    stream = This->streams + This->Parser.cStreams;
+    ZeroMemory(stream, sizeof(*stream));
+
+    for (pChunk = (const RIFFCHUNK *)pData; 
+         ((const BYTE *)pChunk >= pData) && ((const BYTE *)pChunk + sizeof(RIFFCHUNK) < pData + cb) && (pChunk->cb > 0); 
+         pChunk = (const RIFFCHUNK *)((const BYTE*)pChunk + sizeof(RIFFCHUNK) + pChunk->cb)     
+        )
+    {
+        switch (pChunk->fcc)
+        {
+        case ckidSTREAMHEADER:
+            {
+                const AVISTREAMHEADER * pStrHdr = (const AVISTREAMHEADER *)pChunk;
+                TRACE("processing stream header\n");
+                stream->streamheader = *pStrHdr;
+
+                fSamplesPerSec = (float)pStrHdr->dwRate / (float)pStrHdr->dwScale;
+                CoTaskMemFree(amt.pbFormat);
+                amt.pbFormat = NULL;
+                amt.cbFormat = 0;
+
+                switch (pStrHdr->fccType)
+                {
+                case streamtypeVIDEO:
+                    amt.formattype = FORMAT_VideoInfo;
+                    break;
+                case streamtypeAUDIO:
+                    amt.formattype = FORMAT_WaveFormatEx;
+                    break;
+                default:
+                    FIXME("fccType %.4s not handled yet\n", (const char *)&pStrHdr->fccType);
+                    amt.formattype = FORMAT_None;
+                }
+                amt.majortype = MEDIATYPE_Video;
+                amt.majortype.Data1 = pStrHdr->fccType;
+                amt.subtype = MEDIATYPE_Video;
+                amt.subtype.Data1 = pStrHdr->fccHandler;
+                TRACE("Subtype FCC: %.04s\n", (LPCSTR)&pStrHdr->fccHandler);
+                amt.lSampleSize = pStrHdr->dwSampleSize;
+                amt.bFixedSizeSamples = (amt.lSampleSize != 0);
+
+                /* FIXME: Is this right? */
+                if (!amt.lSampleSize)
+                {
+                    amt.lSampleSize = 1;
+                    dwSampleSize = 1;
+                }
+
+                amt.bTemporalCompression = IsEqualGUID(&amt.majortype, &MEDIATYPE_Video); /* FIXME? */
+                dwSampleSize = pStrHdr->dwSampleSize;
+                dwLength = pStrHdr->dwLength;
+                if (!dwLength)
+                    dwLength = This->AviHeader.dwTotalFrames;
+
+                if (pStrHdr->dwSuggestedBufferSize && pStrHdr->dwSuggestedBufferSize > props->cbBuffer)
+                    props->cbBuffer = pStrHdr->dwSuggestedBufferSize;
+
+                break;
+            }
+        case ckidSTREAMFORMAT:
+            TRACE("processing stream format data\n");
+            if (IsEqualIID(&amt.formattype, &FORMAT_VideoInfo))
+            {
+                VIDEOINFOHEADER * pvi;
+                /* biCompression member appears to override the value in the stream header.
+                 * i.e. the stream header can say something completely contradictory to what
+                 * is in the BITMAPINFOHEADER! */
+                if (pChunk->cb < sizeof(BITMAPINFOHEADER))
+                {
+                    ERR("Not enough bytes for BITMAPINFOHEADER\n");
+                    return E_FAIL;
+                }
+                amt.cbFormat = sizeof(VIDEOINFOHEADER) - sizeof(BITMAPINFOHEADER) + pChunk->cb;
+                amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
+                ZeroMemory(amt.pbFormat, amt.cbFormat);
+                pvi = (VIDEOINFOHEADER *)amt.pbFormat;
+                pvi->AvgTimePerFrame = (LONGLONG)(10000000.0 / fSamplesPerSec);
+
+                CopyMemory(&pvi->bmiHeader, pChunk + 1, pChunk->cb);
+                if (pvi->bmiHeader.biCompression)
+                    amt.subtype.Data1 = pvi->bmiHeader.biCompression;
+            }
+            else if (IsEqualIID(&amt.formattype, &FORMAT_WaveFormatEx))
+            {
+                amt.cbFormat = pChunk->cb;
+                if (amt.cbFormat < sizeof(WAVEFORMATEX))
+                    amt.cbFormat = sizeof(WAVEFORMATEX);
+                amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
+                ZeroMemory(amt.pbFormat, amt.cbFormat);
+                CopyMemory(amt.pbFormat, pChunk + 1, pChunk->cb);
+            }
+            else
+            {
+                amt.cbFormat = pChunk->cb;
+                amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
+                CopyMemory(amt.pbFormat, pChunk + 1, amt.cbFormat);
+            }
+            break;
+        case ckidSTREAMNAME:
+            TRACE("processing stream name\n");
+            /* FIXME: this doesn't exactly match native version (we omit the "##)" prefix), but hey... */
+            MultiByteToWideChar(CP_ACP, 0, (LPCSTR)(pChunk + 1), pChunk->cb, piOutput.achName, sizeof(piOutput.achName) / sizeof(piOutput.achName[0]));
+            break;
+        case ckidSTREAMHANDLERDATA:
+            FIXME("process stream handler data\n");
+            break;
+        case ckidAVIPADDING:
+            TRACE("JUNK chunk ignored\n");
+            break;
+        case ckidAVISUPERINDEX:
+        {
+            const AVISUPERINDEX *pIndex = (const AVISUPERINDEX *)pChunk;
+            DWORD x;
+            UINT rest = pIndex->cb - sizeof(AVISUPERINDEX) + sizeof(RIFFCHUNK) + sizeof(pIndex->aIndex[0]) * ANYSIZE_ARRAY;
+
+            if (pIndex->cb < sizeof(AVISUPERINDEX) - sizeof(RIFFCHUNK))
+            {
+                FIXME("size %u\n", pIndex->cb);
+                break;
+            }
+
+            if (nstdindex++ > 0)
+            {
+                ERR("Stream %d got more than 1 superindex?\n", This->Parser.cStreams);
+                break;
+            }
+
+            TRACE("wLongsPerEntry: %hd\n", pIndex->wLongsPerEntry);
+            TRACE("bIndexSubType: %u\n", pIndex->bIndexSubType);
+            TRACE("bIndexType: %u\n", pIndex->bIndexType);
+            TRACE("nEntriesInUse: %u\n", pIndex->nEntriesInUse);
+            TRACE("dwChunkId: %.4s\n", (const char *)&pIndex->dwChunkId);
+            if (pIndex->dwReserved[0])
+                TRACE("dwReserved[0]: %u\n", pIndex->dwReserved[0]);
+            if (pIndex->dwReserved[2])
+                TRACE("dwReserved[1]: %u\n", pIndex->dwReserved[1]);
+            if (pIndex->dwReserved[2])
+                TRACE("dwReserved[2]: %u\n", pIndex->dwReserved[2]);
+
+            if (pIndex->bIndexType != AVI_INDEX_OF_INDEXES
+                || pIndex->wLongsPerEntry != 4
+                || rest < (pIndex->nEntriesInUse * sizeof(DWORD) * pIndex->wLongsPerEntry)
+                || (pIndex->bIndexSubType != AVI_INDEX_SUB_2FIELD && pIndex->bIndexSubType != AVI_INDEX_SUB_DEFAULT))
+            {
+                FIXME("Invalid index chunk encountered\n");
+                break;
+            }
+
+            stream->entries = pIndex->nEntriesInUse;
+            stream->stdindex = CoTaskMemRealloc(stream->stdindex, sizeof(*stream->stdindex) * stream->entries);
+            for (x = 0; x < pIndex->nEntriesInUse; ++x)
+            {
+                TRACE("qwOffset: %x%08x\n", (DWORD)(pIndex->aIndex[x].qwOffset >> 32), (DWORD)pIndex->aIndex[x].qwOffset);
+                TRACE("dwSize: %u\n", pIndex->aIndex[x].dwSize);
+                TRACE("dwDuration: %u (unreliable)\n", pIndex->aIndex[x].dwDuration);
+
+                AVISplitter_ProcessIndex(This, &stream->stdindex[x], pIndex->aIndex[x].qwOffset, pIndex->aIndex[x].dwSize);
+            }
+            break;
+        }
+        default:
+            FIXME("unknown chunk type \"%.04s\" ignored\n", (LPCSTR)&pChunk->fcc);
+        }
+    }
+
+    if (IsEqualGUID(&amt.formattype, &FORMAT_WaveFormatEx))
+    {
+        amt.subtype = MEDIATYPE_Video;
+        amt.subtype.Data1 = ((WAVEFORMATEX *)amt.pbFormat)->wFormatTag;
+    }
+
+    dump_AM_MEDIA_TYPE(&amt);
+    TRACE("fSamplesPerSec = %f\n", (double)fSamplesPerSec);
+    TRACE("dwSampleSize = %x\n", dwSampleSize);
+    TRACE("dwLength = %x\n", dwLength);
+
+    stream->fSamplesPerSec = fSamplesPerSec;
+    stream->dwSampleSize = dwSampleSize;
+    stream->dwLength = dwLength; /* TODO: Use this for mediaseeking */
+    stream->packet_queued = CreateEventW(NULL, 0, 0, NULL);
+
+    hr = Parser_AddPin(&(This->Parser), &piOutput, props, &amt);
+    CoTaskMemFree(amt.pbFormat);
+
+
+    return hr;
+}
+
+static HRESULT AVISplitter_ProcessODML(AVISplitterImpl * This, const BYTE * pData, DWORD cb)
+{
+    const RIFFCHUNK * pChunk;
+
+    for (pChunk = (const RIFFCHUNK *)pData;
+         ((const BYTE *)pChunk >= pData) && ((const BYTE *)pChunk + sizeof(RIFFCHUNK) < pData + cb) && (pChunk->cb > 0);
+         pChunk = (const RIFFCHUNK *)((const BYTE*)pChunk + sizeof(RIFFCHUNK) + pChunk->cb)
+        )
+    {
+        switch (pChunk->fcc)
+        {
+        case ckidAVIEXTHEADER:
+            {
+                int x;
+                const AVIEXTHEADER * pExtHdr = (const AVIEXTHEADER *)pChunk;
+
+                TRACE("processing extension header\n");
+                if (pExtHdr->cb != sizeof(AVIEXTHEADER) - sizeof(RIFFCHUNK))
+                {
+                    FIXME("Size: %u\n", pExtHdr->cb);
+                    break;
+                }
+                TRACE("dwGrandFrames: %u\n", pExtHdr->dwGrandFrames);
+                for (x = 0; x < 61; ++x)
+                    if (pExtHdr->dwFuture[x])
+                        FIXME("dwFuture[%i] = %u (0x%08x)\n", x, pExtHdr->dwFuture[x], pExtHdr->dwFuture[x]);
+                This->ExtHeader = *pExtHdr;
+                break;
+            }
+        default:
+            FIXME("unknown chunk type \"%.04s\" ignored\n", (LPCSTR)&pChunk->fcc);
+        }
+    }
+
+    return S_OK;
+}
+
+static HRESULT AVISplitter_InitializeStreams(AVISplitterImpl *This)
+{
+    unsigned int x;
+
+    if (This->oldindex)
+    {
+        DWORD nMax, n;
+
+        for (x = 0; x < This->Parser.cStreams; ++x)
+        {
+            This->streams[x].frames = 0;
+            This->streams[x].pos = ~0;
+            This->streams[x].index = 0;
+        }
+
+        nMax = This->oldindex->cb / sizeof(This->oldindex->aIndex[0]);
+
+        /* Ok, maybe this is more of an exercise to see if I interpret everything correctly or not, but that is useful for now. */
+        for (n = 0; n < nMax; ++n)
+        {
+            DWORD streamId = StreamFromFOURCC(This->oldindex->aIndex[n].dwChunkId);
+            if (streamId >= This->Parser.cStreams)
+            {
+                FIXME("Stream id %s ignored\n", debugstr_an((char*)&This->oldindex->aIndex[n].dwChunkId, 4));
+                continue;
+            }
+            if (This->streams[streamId].pos == ~0U)
+                This->streams[streamId].pos = n;
+
+            if (This->streams[streamId].streamheader.dwSampleSize)
+                This->streams[streamId].frames += This->oldindex->aIndex[n].dwSize / This->streams[streamId].streamheader.dwSampleSize;
+            else
+                ++This->streams[streamId].frames;
+        }
+
+        for (x = 0; x < This->Parser.cStreams; ++x)
+        {
+            if ((DWORD)This->streams[x].frames != This->streams[x].streamheader.dwLength)
+            {
+                FIXME("stream %u: frames found: %u, frames meant to be found: %u\n", x, (DWORD)This->streams[x].frames, This->streams[x].streamheader.dwLength);
+            }
+        }
+
+    }
+    else if (!This->streams[0].entries)
+    {
+        for (x = 0; x < This->Parser.cStreams; ++x)
+        {
+            This->streams[x].frames = This->streams[x].streamheader.dwLength;
+        }
+        /* MS Avi splitter does seek through the whole file, we should! */
+        ERR("We should be manually seeking through the entire file to build an index, because the index is missing!!!\n");
+        return E_NOTIMPL;
+    }
+
+    /* Not much here yet */
+    for (x = 0; x < This->Parser.cStreams; ++x)
+    {
+        StreamData *stream = This->streams + x;
+        DWORD y;
+        DWORD64 frames = 0;
+
+        stream->seek = 1;
+
+        if (stream->stdindex)
+        {
+            stream->index = 0;
+            stream->pos = 0;
+            for (y = 0; y < stream->entries; ++y)
+            {
+                if (stream->streamheader.dwSampleSize)
+                {
+                    DWORD z;
+
+                    for (z = 0; z < stream->stdindex[y]->nEntriesInUse; ++z)
+                    {
+                        UINT len = stream->stdindex[y]->aIndex[z].dwSize & ~(1 << 31);
+                        frames += len / stream->streamheader.dwSampleSize + !!(len % stream->streamheader.dwSampleSize);
+                    }
+                }
+                else
+                    frames += stream->stdindex[y]->nEntriesInUse;
+            }
+        }
+        else frames = stream->frames;
+
+        frames *= stream->streamheader.dwScale;
+        /* Keep accuracy as high as possible for duration */
+        This->Parser.sourceSeeking.llDuration = frames * 10000000;
+        This->Parser.sourceSeeking.llDuration /= stream->streamheader.dwRate;
+        This->Parser.sourceSeeking.llStop = This->Parser.sourceSeeking.llDuration;
+        This->Parser.sourceSeeking.llCurrent = 0;
+
+        frames /= stream->streamheader.dwRate;
+
+        TRACE("Duration: %d days, %d hours, %d minutes and %d.%03u seconds\n", (DWORD)(frames / 86400),
+        (DWORD)((frames % 86400) / 3600), (DWORD)((frames % 3600) / 60), (DWORD)(frames % 60),
+        (DWORD)(This->Parser.sourceSeeking.llDuration/10000) % 1000);
+    }
+
+    return S_OK;
+}
+
+static HRESULT AVISplitter_Disconnect(LPVOID iface);
+
+/* FIXME: fix leaks on failure here */
+static HRESULT AVISplitter_InputPin_PreConnect(IPin * iface, IPin * pConnectPin, ALLOCATOR_PROPERTIES *props)
+{
+    PullPin *This = impl_PullPin_from_IPin(iface);
+    HRESULT hr;
+    RIFFLIST list;
+    LONGLONG pos = 0; /* in bytes */
+    BYTE * pBuffer;
+    RIFFCHUNK * pCurrentChunk;
+    LONGLONG total, avail;
+    ULONG x;
+    DWORD indexes;
+
+    AVISplitterImpl * pAviSplit = (AVISplitterImpl *)This->pin.pinInfo.pFilter;
+
+    hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
+    pos += sizeof(list);
+
+    if (list.fcc != FOURCC_RIFF)
+    {
+        ERR("Input stream not a RIFF file\n");
+        return E_FAIL;
+    }
+    if (list.fccListType != formtypeAVI)
+    {
+        ERR("Input stream not an AVI RIFF file\n");
+        return E_FAIL;
+    }
+
+    hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
+    if (list.fcc != FOURCC_LIST)
+    {
+        ERR("Expected LIST chunk, but got %.04s\n", (LPSTR)&list.fcc);
+        return E_FAIL;
+    }
+    if (list.fccListType != listtypeAVIHEADER)
+    {
+        ERR("Header list expected. Got: %.04s\n", (LPSTR)&list.fccListType);
+        return E_FAIL;
+    }
+
+    pBuffer = HeapAlloc(GetProcessHeap(), 0, list.cb - sizeof(RIFFLIST) + sizeof(RIFFCHUNK));
+    hr = IAsyncReader_SyncRead(This->pReader, pos + sizeof(list), list.cb - sizeof(RIFFLIST) + sizeof(RIFFCHUNK), pBuffer);
+
+    pAviSplit->AviHeader.cb = 0;
+
+    /* Stream list will set the buffer size here, so set a default and allow an override */
+    props->cbBuffer = 0x20000;
+
+    for (pCurrentChunk = (RIFFCHUNK *)pBuffer; (BYTE *)pCurrentChunk + sizeof(*pCurrentChunk) < pBuffer + list.cb; pCurrentChunk = (RIFFCHUNK *)(((BYTE *)pCurrentChunk) + sizeof(*pCurrentChunk) + pCurrentChunk->cb))
+    {
+        RIFFLIST * pList;
+
+        switch (pCurrentChunk->fcc)
+        {
+        case ckidMAINAVIHEADER:
+            /* AVIMAINHEADER includes the structure that is pCurrentChunk at the moment */
+            memcpy(&pAviSplit->AviHeader, pCurrentChunk, sizeof(pAviSplit->AviHeader));
+            break;
+        case FOURCC_LIST:
+            pList = (RIFFLIST *)pCurrentChunk;
+            switch (pList->fccListType)
+            {
+            case ckidSTREAMLIST:
+                hr = AVISplitter_ProcessStreamList(pAviSplit, (BYTE *)pCurrentChunk + sizeof(RIFFLIST), pCurrentChunk->cb + sizeof(RIFFCHUNK) - sizeof(RIFFLIST), props);
+                break;
+            case ckidODML:
+                hr = AVISplitter_ProcessODML(pAviSplit, (BYTE *)pCurrentChunk + sizeof(RIFFLIST), pCurrentChunk->cb + sizeof(RIFFCHUNK) - sizeof(RIFFLIST));
+                break;
+            }
+            break;
+        case ckidAVIPADDING:
+            /* ignore */
+            break;
+        default:
+            FIXME("unrecognised header list type: %.04s\n", (LPSTR)&pCurrentChunk->fcc);
+        }
+    }
+    HeapFree(GetProcessHeap(), 0, pBuffer);
+
+    if (pAviSplit->AviHeader.cb != sizeof(pAviSplit->AviHeader) - sizeof(RIFFCHUNK))
+    {
+        ERR("Avi Header wrong size!\n");
+        return E_FAIL;
+    }
+
+    pos += sizeof(RIFFCHUNK) + list.cb;
+    hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
+
+    while (list.fcc == ckidAVIPADDING || (list.fcc == FOURCC_LIST && list.fccListType != listtypeAVIMOVIE))
+    {
+        pos += sizeof(RIFFCHUNK) + list.cb;
+
+        hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
+    }
+
+    if (list.fcc != FOURCC_LIST)
+    {
+        ERR("Expected LIST, but got %.04s\n", (LPSTR)&list.fcc);
+        return E_FAIL;
+    }
+    if (list.fccListType != listtypeAVIMOVIE)
+    {
+        ERR("Expected AVI movie list, but got %.04s\n", (LPSTR)&list.fccListType);
+        return E_FAIL;
+    }
+
+    IAsyncReader_Length(This->pReader, &total, &avail);
+
+    /* FIXME: AVIX files are extended beyond the FOURCC chunk "AVI ", and thus won't be played here,
+     * once I get one of the files I'll try to fix it */
+    if (hr == S_OK)
+    {
+        This->rtStart = pAviSplit->CurrentChunkOffset = MEDIATIME_FROM_BYTES(pos + sizeof(RIFFLIST));
+        pos += list.cb + sizeof(RIFFCHUNK);
+
+        pAviSplit->EndOfFile = This->rtStop = MEDIATIME_FROM_BYTES(pos);
+        if (pos > total)
+        {
+            ERR("File smaller (%x%08x) then EndOfFile (%x%08x)\n", (DWORD)(total >> 32), (DWORD)total, (DWORD)(pAviSplit->EndOfFile >> 32), (DWORD)pAviSplit->EndOfFile);
+            return E_FAIL;
+        }
+
+        hr = IAsyncReader_SyncRead(This->pReader, BYTES_FROM_MEDIATIME(pAviSplit->CurrentChunkOffset), sizeof(pAviSplit->CurrentChunk), (BYTE *)&pAviSplit->CurrentChunk);
+    }
+
+    props->cbAlign = 1;
+    props->cbPrefix = 0;
+    /* Comrades, prevent shortage of buffers, or you will feel the consequences! DA! */
+    props->cBuffers = 2 * pAviSplit->Parser.cStreams;
+
+    /* Now peek into the idx1 index, if available */
+    if (hr == S_OK && (total - pos) > sizeof(RIFFCHUNK))
+    {
+        memset(&list, 0, sizeof(list));
+
+        hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
+        if (list.fcc == ckidAVIOLDINDEX)
+        {
+            pAviSplit->oldindex = CoTaskMemRealloc(pAviSplit->oldindex, list.cb + sizeof(RIFFCHUNK));
+            if (pAviSplit->oldindex)
+            {
+                hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(RIFFCHUNK) + list.cb, (BYTE *)pAviSplit->oldindex);
+                if (hr == S_OK)
+                {
+                    hr = AVISplitter_ProcessOldIndex(pAviSplit);
+                }
+                else
+                {
+                    CoTaskMemFree(pAviSplit->oldindex);
+                    pAviSplit->oldindex = NULL;
+                    hr = S_OK;
+                }
+            }
+        }
+    }
+
+    indexes = 0;
+    for (x = 0; x < pAviSplit->Parser.cStreams; ++x)
+        if (pAviSplit->streams[x].entries)
+            ++indexes;
+
+    if (indexes)
+    {
+        CoTaskMemFree(pAviSplit->oldindex);
+        pAviSplit->oldindex = NULL;
+        if (indexes < pAviSplit->Parser.cStreams)
+        {
+            /* This error could possible be survived by switching to old type index,
+             * but I would rather find out why it doesn't find everything here
+             */
+            ERR("%d indexes expected, but only have %d\n", indexes, pAviSplit->Parser.cStreams);
+            indexes = 0;
+        }
+    }
+    else if (!indexes && pAviSplit->oldindex)
+        indexes = pAviSplit->Parser.cStreams;
+
+    if (!indexes && pAviSplit->AviHeader.dwFlags & AVIF_MUSTUSEINDEX)
+    {
+        FIXME("No usable index was found!\n");
+        hr = E_FAIL;
+    }
+
+    /* Now, set up the streams */
+    if (hr == S_OK)
+        hr = AVISplitter_InitializeStreams(pAviSplit);
+
+    if (hr != S_OK)
+    {
+        AVISplitter_Disconnect(pAviSplit);
+        return E_FAIL;
+    }
+
+    TRACE("AVI File ok\n");
+
+    return hr;
+}
+
+static HRESULT AVISplitter_Flush(LPVOID iface)
+{
+    AVISplitterImpl *This = iface;
+    DWORD x;
+
+    TRACE("(%p)->()\n", This);
+
+    for (x = 0; x < This->Parser.cStreams; ++x)
+    {
+        StreamData *stream = This->streams + x;
+
+        if (stream->sample)
+            assert(IMediaSample_Release(stream->sample) == 0);
+        stream->sample = NULL;
+
+        ResetEvent(stream->packet_queued);
+        assert(!stream->thread);
+    }
+
+    return S_OK;
+}
+
+static HRESULT AVISplitter_Disconnect(LPVOID iface)
+{
+    AVISplitterImpl *This = iface;
+    ULONG x;
+
+    /* TODO: Remove other memory that's allocated during connect */
+    CoTaskMemFree(This->oldindex);
+    This->oldindex = NULL;
+
+    for (x = 0; x < This->Parser.cStreams; ++x)
+    {
+        DWORD i;
+
+        StreamData *stream = &This->streams[x];
+
+        for (i = 0; i < stream->entries; ++i)
+            CoTaskMemFree(stream->stdindex[i]);
+
+        CoTaskMemFree(stream->stdindex);
+        CloseHandle(stream->packet_queued);
+    }
+    CoTaskMemFree(This->streams);
+    This->streams = NULL;
+    return S_OK;
+}
+
+static ULONG WINAPI AVISplitter_Release(IBaseFilter *iface)
+{
+    AVISplitterImpl *This = (AVISplitterImpl *)iface;
+    ULONG ref;
+
+    ref = InterlockedDecrement(&This->Parser.filter.refCount);
+
+    TRACE("(%p)->() Release from %d\n", This, ref + 1);
+
+    if (!ref)
+    {
+        AVISplitter_Flush(This);
+        Parser_Destroy(&This->Parser);
+    }
+
+    return ref;
+}
+
+static HRESULT WINAPI AVISplitter_seek(IMediaSeeking *iface)
+{
+    AVISplitterImpl *This = impl_from_IMediaSeeking(iface);
+    PullPin *pPin = This->Parser.pInputPin;
+    LONGLONG newpos, endpos;
+    DWORD x;
+
+    newpos = This->Parser.sourceSeeking.llCurrent;
+    endpos = This->Parser.sourceSeeking.llDuration;
+
+    if (newpos > endpos)
+    {
+        WARN("Requesting position %x%08x beyond end of stream %x%08x\n", (DWORD)(newpos>>32), (DWORD)newpos, (DWORD)(endpos>>32), (DWORD)endpos);
+        return E_INVALIDARG;
+    }
+
+    FIXME("Moving position to %u.%03u s!\n", (DWORD)(newpos / 10000000), (DWORD)((newpos / 10000)%1000));
+
+    EnterCriticalSection(&pPin->thread_lock);
+    /* Send a flush to all output pins */
+    IPin_BeginFlush(&pPin->pin.IPin_iface);
+
+    /* Make sure this is done while stopped, BeginFlush takes care of this */
+    EnterCriticalSection(&This->Parser.filter.csFilter);
+    for (x = 0; x < This->Parser.cStreams; ++x)
+    {
+        Parser_OutputPin *pin = unsafe_impl_Parser_OutputPin_from_IPin(This->Parser.ppPins[1+x]);
+        StreamData *stream = This->streams + x;
+        LONGLONG wanted_frames;
+        DWORD last_keyframe = 0, last_keyframeidx = 0, preroll = 0;
+
+        wanted_frames = newpos;
+        wanted_frames *= stream->streamheader.dwRate;
+        wanted_frames /= 10000000;
+        wanted_frames /= stream->streamheader.dwScale;
+
+        pin->dwSamplesProcessed = 0;
+        stream->index = 0;
+        stream->pos = 0;
+        stream->seek = 1;
+        if (stream->stdindex)
+        {
+            DWORD y, z = 0;
+
+            for (y = 0; y < stream->entries; ++y)
+            {
+                for (z = 0; z < stream->stdindex[y]->nEntriesInUse; ++z)
+                {
+                    if (stream->streamheader.dwSampleSize)
+                    {
+                        ULONG len = stream->stdindex[y]->aIndex[z].dwSize & ~(1 << 31);
+                        ULONG size = stream->streamheader.dwSampleSize;
+
+                        pin->dwSamplesProcessed += len / size;
+                        if (len % size)
+                            ++pin->dwSamplesProcessed;
+                    }
+                    else ++pin->dwSamplesProcessed;
+
+                    if (!(stream->stdindex[y]->aIndex[z].dwSize >> 31))
+                    {
+                        last_keyframe = z;
+                        last_keyframeidx = y;
+                        preroll = 0;
+                    }
+                    else
+                        ++preroll;
+
+                    if (pin->dwSamplesProcessed >= wanted_frames)
+                        break;
+                }
+                if (pin->dwSamplesProcessed >= wanted_frames)
+                    break;
+            }
+            stream->index = last_keyframeidx;
+            stream->pos = last_keyframe;
+        }
+        else
+        {
+            DWORD nMax, n;
+            nMax = This->oldindex->cb / sizeof(This->oldindex->aIndex[0]);
+
+            for (n = 0; n < nMax; ++n)
+            {
+                DWORD streamId = StreamFromFOURCC(This->oldindex->aIndex[n].dwChunkId);
+                if (streamId != x)
+                    continue;
+
+                if (stream->streamheader.dwSampleSize)
+                {
+                    ULONG len = This->oldindex->aIndex[n].dwSize;
+                    ULONG size = stream->streamheader.dwSampleSize;
+
+                    pin->dwSamplesProcessed += len / size;
+                    if (len % size)
+                        ++pin->dwSamplesProcessed;
+                }
+                else ++pin->dwSamplesProcessed;
+
+                if (This->oldindex->aIndex[n].dwFlags & AVIIF_KEYFRAME)
+                {
+                    last_keyframe = n;
+                    preroll = 0;
+                }
+                else
+                    ++preroll;
+
+                if (pin->dwSamplesProcessed >= wanted_frames)
+                    break;
+            }
+            assert(n < nMax);
+            stream->pos = last_keyframe;
+            stream->index = 0;
+        }
+        stream->preroll = preroll;
+        stream->seek = 1;
+    }
+    LeaveCriticalSection(&This->Parser.filter.csFilter);
+
+    TRACE("Done flushing\n");
+    IPin_EndFlush(&pPin->pin.IPin_iface);
+    LeaveCriticalSection(&pPin->thread_lock);
+
+    return S_OK;
+}
+
+static const IBaseFilterVtbl AVISplitterImpl_Vtbl =
+{
+    Parser_QueryInterface,
+    Parser_AddRef,
+    AVISplitter_Release,
+    Parser_GetClassID,
+    Parser_Stop,
+    Parser_Pause,
+    Parser_Run,
+    Parser_GetState,
+    Parser_SetSyncSource,
+    Parser_GetSyncSource,
+    Parser_EnumPins,
+    Parser_FindPin,
+    Parser_QueryFilterInfo,
+    Parser_JoinFilterGraph,
+    Parser_QueryVendorInfo
+};
+
+HRESULT AVISplitter_create(IUnknown * pUnkOuter, LPVOID * ppv)
+{
+    HRESULT hr;
+    AVISplitterImpl * This;
+
+    TRACE("(%p, %p)\n", pUnkOuter, ppv);
+
+    *ppv = NULL;
+
+    if (pUnkOuter)
+        return CLASS_E_NOAGGREGATION;
+
+    /* Note: This memory is managed by the transform filter once created */
+    This = CoTaskMemAlloc(sizeof(AVISplitterImpl));
+
+    This->streams = NULL;
+    This->oldindex = NULL;
+
+    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);
+
+    if (FAILED(hr))
+        return hr;
+
+    *ppv = This;
+
+    return hr;
+}