[wdmaudiodev] Re: Applying custom effects to audio input
- From: Tim Roberts <timr@xxxxxxxxx>
- To: "wdmaudiodev@xxxxxxxxxxxxx" <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Wed, 13 Sep 2017 09:26:20 -0700
Antoine Cochet wrote:
Working with a non-hardware vendor, would wrapping the system supplied
sAPOs a possible solution to this problem?
Maybe installing custom made sAPOs for user's default microphone or
audio input device could be the way, I'm not sure if it's possible.
It is technically possible, but only by reverse-engineering what the
INF-based installation does and implementing a (rather extensive)
registry hack that does the same thing. However, that's unsupported,
and your hackery would be undone by the next upgrade. In addition, there
are DRM implications that you probably don't want to think about. There
is always a danger in implementing something that directly contradicts
Microsoft's published philosophies, whether one agrees with them or not,
and I've stated my opinion on this philosophy many times before.
Another optionI found is using XAudio2, but I don't know if can apply
effects in the audio stack the way I want it.
XAudio2 is an application-level API. It has no impact on other
processes, or processes using other audio APIs.
--
Tim Roberts, timr@xxxxxxxxx
Providenza & Boekelheide, Inc.
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