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quartz: Parse old style avi index.

This commit is contained in:
Maarten Lankhorst 2008-04-11 17:58:47 -07:00 committed by Alexandre Julliard
parent f66ad4dbe0
commit aa623d2eff
1 changed files with 84 additions and 3 deletions
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87
dlls/quartz/avisplit.c
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@ -147,8 +147,9 @@ static HRESULT AVISplitter_Sample(LPVOID iface, IMediaSample * pSample)
switch (This->CurrentChunk.fcc)
{
case ckidAVIOLDINDEX: /* Should not be popping up here! */
ERR("There should be no index in the stream data!\n");
case ckidAVIPADDING:
case ckidAVIOLDINDEX: /* Index is not handled */
/* silently ignore */
if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream, FALSE))
bMoreData = FALSE;
@ -633,6 +634,8 @@ static HRESULT AVISplitter_InputPin_PreConnect(IPin * iface, IPin * pConnectPin)
LONGLONG pos = 0; /* in bytes */
BYTE * pBuffer;
RIFFCHUNK * pCurrentChunk;
LONGLONG total, avail;
AVISplitterImpl * pAviSplit = (AVISplitterImpl *)This->pin.pinInfo.pFilter;
hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
@ -709,6 +712,7 @@ static HRESULT AVISplitter_InputPin_PreConnect(IPin * iface, IPin * pConnectPin)
while (list.fcc == ckidAVIPADDING || (list.fcc == FOURCC_LIST && list.fccListType == ckidINFO))
{
pos += sizeof(RIFFCHUNK) + list.cb;
hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
}
@ -723,13 +727,90 @@ static HRESULT AVISplitter_InputPin_PreConnect(IPin * iface, IPin * pConnectPin)
return E_FAIL;
}
IAsyncReader_Length(This->pReader, &total, &avail);
/* FIXME: AVIX files are added ("eXtended") beyond the "AVI " length, and thus won't be played here */
if (hr == S_OK)
{
pAviSplit->CurrentChunkOffset = MEDIATIME_FROM_BYTES(pos + sizeof(RIFFLIST));
pAviSplit->EndOfFile = MEDIATIME_FROM_BYTES(pos + list.cb + sizeof(RIFFLIST));
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);
}
/* 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)
{
int x = 0;
AVIOLDINDEX * pAviOldIndex = CoTaskMemAlloc(list.cb + sizeof(RIFFCHUNK));
if (!pAviOldIndex)
return E_OUTOFMEMORY;
hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(RIFFCHUNK) + list.cb, (BYTE *)pAviOldIndex);
if (hr == S_OK)
{
for (x = 0; x < list.cb / sizeof(pAviOldIndex->aIndex[0]); ++x)
{
DWORD temp, temp2, offset, chunkid;
ULONGLONG mov_pos = BYTES_FROM_MEDIATIME(pAviSplit->CurrentChunkOffset) - sizeof(DWORD);
BOOL relative;
offset = pAviOldIndex->aIndex[x].dwOffset;
chunkid = pAviOldIndex->aIndex[x].dwChunkId;
IAsyncReader_SyncRead(This->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(pAviSplit->EndOfFile))
hr = IAsyncReader_SyncRead(This->pReader, offset + mov_pos, sizeof(DWORD), (BYTE *)&temp2);
else hr = S_FALSE;
if (hr == S_OK && chunkid == mmioFOURCC('7','F','x','x')
&& ((char *)&temp2)[0] == 'i' && ((char *)&temp2)[1] == 'x')
{
/* Do nothing, all is great */
}
else if (hr == S_OK && temp2 != chunkid)
{
ERR("Faulty index or bug in handling: Wanted FOURCC: %s, Absolute FOURCC: %s (@ %u), Relative FOURCC: %s (@ %lld)\n",
debugstr_an((char *)&chunkid, 4), debugstr_an((char *)&temp, 4), offset, debugstr_an((char *)&temp2, 4), mov_pos + offset);
}
else if (hr != S_OK)
{
TRACE("hr: %08x\n", hr);
}
}
TRACE("Scanned dwChunkId: %s\n", debugstr_an((char *)&temp, 4));
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);
}
}
CoTaskMemFree(pAviOldIndex);
}
hr = S_OK;
}
if (hr != S_OK)
return E_FAIL;