[wdmaudiodev] Re: KSEVENT_PINCAPS_FORMATCHANGE - display bug in win7 control panel?
- From: Neetu Sand <neetu.freelist@xxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Tue, 24 Nov 2009 18:12:25 +0530
Hi Uwe,
Thanks for your response. I posted a query on WDM audio dev about it but
nobody has responded to it.
cheers, Neetu.
On Mon, Nov 23, 2009 at 3:08 PM, uwekirst <u.kirst@xxxxxx> wrote:
> Hi Neetu,
>
> in the doc of KSEVENT_PINCAPS_FORMATCHANGE it says that GenerateEventList
> is a method of IPortEvents.
> I don't know any other way than using the port /miniport driver model.
>
> /Uwe
>
>
> Neetu Sand schrieb:
>
>> Hi Uwe,
>>
>> I am also trying to implement the dynamic format changes support but I am
>> trying to implement that in streaming minidriver model. I have a question -
>> what is the GenerateEventList equivalent for minidriver. I am using
>> StreamClassDeviceNotification. Do you know if it works?
>>
>> Thanks, Neetu.
>>
>> On Fri, Nov 20, 2009 at 2:31 PM, uwekirst <u.kirst@xxxxxx <mailto:
>> u.kirst@xxxxxx>> wrote:
>>
>> Hi all,
>>
>> I am trying to implement the dynamic format changes support in
>> Win7, but I'm facing an issue:
>>
>> If I change the samplerate by calling GenerateEventList, the
>> format list within the windows control panel is updated.
>> But it happens from time to time (not allways) that the old format
>> that was selected before I changed the samplerate is still
>> available and still selected.
>> If I play a sound, the new samplerate is used though. So it seems
>> to me that this a display bug within the windows control panel.
>> Any ideas?
>>
>> thanks,
>> /Uwe
>>
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