IFileSinkFilter bug - won't close file???

From: Jon Evans (JonEvans_at_discussions.microsoft.com)
Date: 08/16/04 

Date: Mon, 16 Aug 2004 08:17:02 -0700

I have a graph that records to a file. Great, lets call
that file #1. I then stop the graph and call IFileSinkFilter's
SetFileName() function to record a different file, #2.

However now file 2 is being recorded I expect to be able
to open file #1 ... only I can't, I get a sharing violation
error.

e.g. IMediaDet::put_Filename( file#1 ) returns an error
which DXGetErrorString9() decodes as
"ERROR_SHARING_VIOLATION". I can only
open the file after exiting and restarting my application.

So, clearly IFileSinkFilter doesn't properly release a file
it has finished with. Is this a known bug and more
importantly anyone have a workaround ?

TTFN,
   Jon

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