I think the issue with Vista back then was that the driver couldn’t just
support floating point as its only format, it had to support integer PCM as
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Tim Roberts
Sent: Tuesday, 11 August 2015 9:56 AM
Subject: [wdmaudiodev] Re: WDM audio driver for 32 bit floating point device.
Jeff Pages wrote:
Back in 2007, I tried to do the same thing but Vista didn’t like it. When I
queried it here, Mitch Rundle said, “I agree that would be a sensible
optimization. Unfortunately some of the Vista audio components require that
the device supports integer PCM (or AC3_SPDIF).” Has this changed since then?
As the author of several APOs, I can tell you that the vast majority of the
systems I see use float 32 as their native format.
Tim Roberts, timr@xxxxxxxxx <mailto:timr@xxxxxxxxx>
Providenza & Boekelheide, Inc.