[wdmaudiodev] Re: msvad vista problem
- From: Tim Roberts <timr@xxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Wed, 15 Oct 2008 10:13:34 -0700
venkat reddy wrote:
>
> I am developing the virtual audio driver based on MSVAD sample.
>
> My requirement is capture the audio and pass to user mode application
> (lets X) .This X application pass the audio to remote application on
> different machine. If I change the volume level on main PC it should
> not affect on remote machine.
>
That goal is not achievable. You cannot predict where the final mixing
will take place.
> I made the VAD as my default audio device to capture the audio and
> pass to X application (using Copyto &Copyfrom in MSVAD).Everything is
> working fine on XP.
>
> But the problem is on vista PC if I change the volume level it has
> affecting the volume on remote machine.
>
Right. You can try writing an LFX APO to capture the output stream
prior to mixing, but I'm not hopeful that will achieve your goal, either.
--
Tim Roberts, timr@xxxxxxxxx
Providenza & Boekelheide, Inc.
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