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quartz: Skip AVI bad chunks while looking for the LIST chunk.

This commit is contained in:
Bruno Jesus 2015-09-03 23:12:58 +08:00 committed by Alexandre Julliard
parent b4ce95c1ab
commit c49e9d085d
1 changed files with 15 additions and 24 deletions
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39
dlls/quartz/avisplit.c
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@ -1109,24 +1109,18 @@ static HRESULT AVISplitter_InputPin_PreConnect(IPin * iface, IPin * pConnectPin,
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))
/* Skip any chunks until we find the LIST chunk */
do
{
pos += sizeof(RIFFCHUNK) + list.cb;
hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
}
while (hr == S_OK && (list.fcc != FOURCC_LIST ||
(list.fcc == FOURCC_LIST && list.fccListType != listtypeAVIMOVIE)));
if (list.fcc != FOURCC_LIST)
if (hr != S_OK)
{
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);
ERR("Failed to find LIST chunk from AVI file\n");
return E_FAIL;
}
@ -1134,21 +1128,18 @@ static HRESULT AVISplitter_InputPin_PreConnect(IPin * iface, IPin * pConnectPin,
/* 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)
{
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);
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! */