[wdmaudiodev] Re: Are hardware peak meters supported on Windows 8?

  • From: "Jeff Pages" <jeff@xxxxxxxxxxxxxxxx>
  • To: <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Fri, 1 Jun 2012 14:01:57 +1000

I've just installed the latest Windows 8 Release Preview, but it looks like
hardware peak meters are still not being recognised, with
IAudioMeterInformation::QueryHardwareSupport not setting the
ENDPOINT_HARDWARE_SUPPORT_METER bit, and the GetPeakValue and
GetChannelsPeakValues functions using the software-based metering instead of
our card's peak meter nodes.

Jeff


-----Original Message-----
From: wdmaudiodev-bounce@xxxxxxxxxxxxx
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Jeff Pages
Sent: Monday, 5 March 2012 2:05 PM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] Re: Are hardware peak meters supported on Windows 8?

Thanks Matthew. Looking at it with the debugger, it appears my peak meter
property handler isn't being called at all in Windows 8.

Jeff


-----Original Message-----
From: wdmaudiodev-bounce@xxxxxxxxxxxxx
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Matthew van Eerde
Sent: Saturday, 3 March 2012 9:52 AM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] Re: Are hardware peak meters supported on Windows 8?

Thank you.  We will look into this further.

-----Original Message-----
From: wdmaudiodev-bounce@xxxxxxxxxxxxx
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Jeff Pages
Sent: Friday, March 02, 2012 11:41 AM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] Re: Are hardware peak meters supported on Windows 8?

Hi Matthew,

The peak meter values are now coming from the OS.

Jeff

----- Original Message -----
From: "Matthew van Eerde" <Matthew.van.Eerde@xxxxxxxxxxxxx>
To: <wdmaudiodev@xxxxxxxxxxxxx>
Sent: Saturday, March 03, 2012 4:46 AM
Subject: [wdmaudiodev] Re: Are hardware peak meters supported on Windows 8?


> Is the problem limited to QueryHardwareSupport?  Or is your peak meter 
> handler no longer getting called, and the peak meter values are now coming

> from the OS?
>
> -----Original Message-----
> From: wdmaudiodev-bounce@xxxxxxxxxxxxx 
> [mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Jeff Pages
> Sent: Thursday, March 01, 2012 5:44 PM
> To: wdmaudiodev@xxxxxxxxxxxxx
> Subject: [wdmaudiodev] Re: Are hardware peak meters supported on Windows 
> 8?
>
> The devices are our own range of sound cards
> (http://www.innescorp.com.au/categories/72_professional_pci_sound_cards) 
> and
> radio broadcast capture cards
> (http://www.innescorp.com.au/categories/73_radio_capture_cards). The peak
> meter nodes support the KSPROPERTY_AUDIO_PEAKMETER and
> KSPROPERTY_AUDIO_CPU_RESOURCES requests as per the WDK documentation and, 
> as
> I said, work fine on the earlier versions of Windows.
>
> Jeff
>
>
> -----Original Message-----
> From: wdmaudiodev-bounce@xxxxxxxxxxxxx
> [mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Cheng-mean Liu
> (SOCCER)
> Sent: Friday, 2 March 2012 12:28 PM
> To: wdmaudiodev@xxxxxxxxxxxxx
> Subject: [wdmaudiodev] Re: Are hardware peak meters supported on Windows 
> 8?
>
> That sounds like a bug to me.
>
> What audio device are you using?
>
> -----Original Message-----
> From: wdmaudiodev-bounce@xxxxxxxxxxxxx
> [mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Jeff Pages
> Sent: Thursday, March 01, 2012 4:21 PM
> To: wdmaudiodev@xxxxxxxxxxxxx
> Subject: [wdmaudiodev] Are hardware peak meters supported on Windows 8?
>
> Most of our cards have hardware peak meters in their topology, which work
> fine on XP, Vista and Windows 7, but on the Windows 8 Consumer Preview 
> they
> are ignored, with IAudioMeterInformation::QueryHardwareSupport not setting
> the ENDPOINT_HARDWARE_SUPPORT_METER bit. Is this by design, a bug, or is
> there some trick to making them work?
>
> Jeff
>
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