[wdmaudiodev] Re: Questions about Vista
- From: Sam Tertzakian <sam@xxxxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Mon, 17 Oct 2005 17:14:17 -0700 (PDT)
More Questions:
1. What happened to SysAudio.sys? It no longer exists,
so where has its functionality been moved to?
2. How can we turn on logging for the various
components of Vista audio stack?
--- Jeff Pages <jeff@xxxxxxxxxxxxxxxx> wrote:
> I have some questions about the changes that have
> been to the audio system
> on Vista, if there's anyone here who can shed some
> light on this.
>
> 1. Since input and output devices are now identified
> only by pin type, is
> there any way to differentiate between multiple pins
> of the same type, such
> as multiple line inputs and outputs on a
> multichannel card?
>
> 2. Since Vista creates a waveIn "device" for each
> input source on each KS
> input subdevice, and only a single mixer "device" is
> created irrespective of
> the number of topology subdevices the driver may
> create, is there any way
> for application software to determine which inputs
> belong to which outputs,
> and which mixer controls belong to which inputs and
> outputs on a
> multichannel card, in a way that works on both Vista
> and XP?
>
> 3. Is there any way to make a multichannel sound
> card appear under Vista the
> same way it did under earlier versions of Windows,
> with a waveIn, waveOut
> and mixer device for each input/output pair?
>
> 4. Will this new method of mapping KS subdevices
> onto waveIn, waveOut and
> mixer devices in Vista be documented prior to its
> general release?
>
> 5. Failing all of the above, will Vista support the
> old NT4 style of
> roll-your-own audio driver?
>
> Jeff Pages
> Innes Corporation Pty Ltd
>
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