[wdmaudiodev] Re: Is there a way to list all supported format of an audio device

  • From: Frank Yerrace <Frank.Yerrace@xxxxxxxxxxxxx>
  • To: "wdmaudiodev@xxxxxxxxxxxxx" <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Sat, 17 Aug 2013 01:27:59 +0000

Right. Clearly I shouldn’t have been so terse in my answer. The policy decision 
was driven mostly by the need to carefully arbitrate use of the scarce offload 
resources and reduce scope of testing to something manageable.

Regards,
Frank Yerrace

From: wdmaudiodev-bounce@xxxxxxxxxxxxx 
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Matthew van Eerde
Sent: Friday, August 16, 2013 5:30 PM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] Re: Is there a way to list all supported format of an 
audio device

It’s all about battery life; basically we want to hold the device’s audio 
offload resources for apps that can play with the screen off.

Windows Store apps (which meet certain criteria) can continue to play with the 
screen off; if these apps are playing to the audio offload resource, there is a 
significant power savings.

But when the screen is turned off on a WinRT device, all Desktop apps are 
suspended.

From: wdmaudiodev-bounce@xxxxxxxxxxxxx<mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx> 
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Tim Roberts
Sent: Friday, August 16, 2013 5:09 PM
To: wdmaudiodev@xxxxxxxxxxxxx<mailto:wdmaudiodev@xxxxxxxxxxxxx>
Subject: [wdmaudiodev] Re: Is there a way to list all supported format of an 
audio device

Frank Yerrace wrote:
That is a policy implemented within the Windows audio system.

Are you kidding me?  Are you saying it's now Microsoft policy to be openly 
hostile to Win32 applications?

That does not bode well for the future.

--

Tim Roberts, timr@xxxxxxxxx<mailto:timr@xxxxxxxxx>

Providenza & Boekelheide, Inc.

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