Question about DriverProc method?

Hi Experts,

I am recently trying to understand the implementation of the VP3 source code.

The whole software is a dll which implement a COM DirectShow filter. I dig into their implementation and find that all the event are trigger by a "DriverProc" method (Note: They do export this method in the def file).

I try my best to find out who calls it and I have no clud at all. In the MSDN it said the driver, but VP3 is a piece of compression code, where the driver is I don't know. Can someone please provide me some hint on how to understand this matter.

Thank you for reading this post.

Best Regards
Ferdinand Ng
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