[wdmaudiodev] Re: DirectShow identification- help

  • From: "Konrad Rozeslaniec" <konrad@xxxxxxxxxx>
  • To: <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Fri, 17 Dec 2004 10:06:35 +0100

Not exactly. I have two identical filter factories for two hardware devices.
So both filters have the same friendly name (do they?). How can I
distinguish them?
For example: two identical PCI cards controlled by the same AVStream driver
(btw, I do pin-centric processing). Both appear as DirectShow filters of the
same type.But I want to instantiate filter for exatly the chosen card.
Actually the devices are not pci cards but child devices of a controller
device, so I can also pass some information from driver to application to
achieve desired result.


> Basically, you want to give a different name to each one of your filters,
> right?  This is done in the INF; you have to add a registry key somewhere
> the SYSTEM/CurrentControlSet/Controls/MediaCategories section that defines
> the Name associated for your filter guids.  Refer to the registry for
> examples.


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