Directshow, Stream Buffer Engine, IStreamBufferSink

using IStreamBufferSink in this way:

IStreamBufferSink *pBufferSing = NULL;

...

hr = pBufferSink->LockProfile(N开发者_开发百科ULL);

where will the stub file be placed (it's location)?

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They are in the User's temp directory. In winXp:

C:\Documents and Settings\user\Local Settings\Temp\TempSBE