[wdmaudiodev] Re: Intercepting Audio Data Going to Sound Card
- From: Robert Bielik <robert.bielik@xxxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Thu, 17 Jun 2010 22:23:39 +0200
e-t172 skrev:
Installation is not really a problem. You just need to develop some
trivial application which will allow the user to choose which audio
devices he wants to use with the APO. Then it's just a matter of
replacing two registry values and restarting a service. I even think
it's possible to call the original APO (the one bundled with the audio
device driver) inside the new APO, which means the original filter would
still be available to the user along with the new filter.
I'm also interested in developing a standalone sAPO, and I've had the same idea
to have a configuration app
to let the user choose which audio devices should use the sAPO, exactly as you
describe.
I definitely think it can be "hacked" to work, but the real big issue will be
WHQL signing. The audio server won't
load a sAPO which isn't WHQL signed (at least on 64-bit systems?), and to get
it signed it would need to be
part of a driver package, which incidentally the standalone sAPO isn't. Not
sure how to get around that, or
if it is possible at all...
/R
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