[wdmaudiodev] Re: GFX/LFX fullduplex support.
- From: Tim Roberts <timr@xxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Thu, 04 Sep 2008 14:28:37 -0700
pete c wrote:
>
> So for your Vista implementation you were able to use a LFX APO for
> the render side that feeds render data to the AEC which lives in the
> WDM filter driver on capture side.
>
Yes.
> Did you have a problems with render/capture synchronization as we've
> been discusing with the GFX/LFX approach?
>
Yes. Note, however, that I only did the driver work. The algorithm
work was all done by the client. I was working with a group of audio
processing gurus who have more letters after their names than I have.
They knew the algorithms, but they didn't know drivers. That's why they
hired me. I have very little visibility into the processing library
itself. I just feed them packets.
> Did you make any attempts to pursue a GFX/LFX framework for AEC as
> we've been discussing?
>
No. We had to have a WDM filter for XP anyway, and since the WDM filter
was going to work in Vista (because it's not a WaveRT driver), it didn't
make sense to pursue a capture APO.
--
Tim Roberts, timr@xxxxxxxxx
Providenza & Boekelheide, Inc.
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