Have a look at this page: http://support.microsoft.com/kb/190351[^] Possibly not exactly what you are looking for but it gets you started on Input/Output handles and redirection. Also, search for "redirection" in the following article section: http://www.codeproject.com/KB/threads/[^]

last time i looked, there were a whole bunch of samples in the DirectShow SDK. i found them quite useful for what i had to do (frame grabbing). image processing toolkits | batch image processing