[wdmaudiodev] Re: KSNODETYPE_PERSONAL_MICROPHONE - does not get stereo stream requests

  • From: Surabhi Ghaisas <ghaisas.surabhi@xxxxxxxxx>
  • To: wdmaudiodev@xxxxxxxxxxxxx
  • Date: Mon, 18 Jun 2012 11:51:04 +0530

Thanks Mathew. In my default format dropdown i am seeing both mono and
stereo.

I will fix the Datarangeintersection to eliminate mono support.

Regards,
Surabhi

On Fri, Jun 15, 2012 at 9:27 PM, Matthew van Eerde <
Matthew.van.Eerde@xxxxxxxxxxxxx> wrote:

>  If stereo support is advertised (MaxChannels = 2) then the default data
> intersection handler will assume mono support as well.****
>
> ** **
>
> If you support stereo but not mono, you need to write and register your
> own data intersection handler.
>
> ****
>
> What entries are in the “default format” dropdown in the Sound control
> panel for your recording device?****
>
> ** **
>
> *From:* wdmaudiodev-bounce@xxxxxxxxxxxxx [mailto:
> wdmaudiodev-bounce@xxxxxxxxxxxxx] *On Behalf Of *Surabhi Ghaisas
> *Sent:* Friday, June 15, 2012 1:58 AM
> *To:* wdmaudiodev@xxxxxxxxxxxxx
> *Subject:* [wdmaudiodev] KSNODETYPE_PERSONAL_MICROPHONE - does not get
> stereo stream requests****
>
> ** **
>
> Hi,****
>
>  ****
>
> In my windows 7 wavert driver, I have exposed stereo support for the
> capture path where the endpoint category is KSNODETYPE_PERSONAL_MICROPHONE
> . When I open any recording application, i observe that the request is
> coming for mono stream creation. I tried rejecting this stream in property
> hander proposed format as format not supported. I expect that after this,
> OS should query for default format for the pin using 'Get' request of
> proposed format and then create a stream with stereo format but that is not
> happening. Does this mean headset mic is always considered as mono endpoint
> by OS?****
>
>  ****
>
> Regards,****
>
> Surabhi****
>

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