[wdmaudiodev] Re: [SPAM] [MessageScore][alltestmode] Re: [SPAM] [Bayesian][alltestmode] Re: Disable volume control or Level tab at MSVAD

  • From: Matthew van Eerde <Matthew.van.Eerde@xxxxxxxxxxxxx>
  • To: "wdmaudiodev@xxxxxxxxxxxxx" <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Thu, 15 Dec 2011 16:45:42 +0000

What are the dB min/max/step values being advertised by your volume node?  You 
can right-click the slider to show dB values instead of percent.

If a driver exposes KSNODETYPE_VOLUME, the initial value for that setting 
should be whatever the driver says it is; the OS won't override it.

-----Original Message-----
From: wdmaudiodev-bounce@xxxxxxxxxxxxx 
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Alexey Kachalov
Sent: Thursday, December 15, 2011 8:21 AM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] Re: [SPAM] [MessageScore][alltestmode] Re: [SPAM] 
[Bayesian][alltestmode] Re: Disable volume control or Level tab at MSVAD

Because, default volume level after driver install on different OSs is 
different - Seven 100%, Vista 25%. And the main reason - the same value of 
volume level at different OSs give different gain results.
That is why i want to disable volume control to achieve the same sound on sink 
and source of stream.

On 15.12.2011 23:03, Matthew van Eerde wrote:
> If you remove the KSNODETYPE_VOLUME node then a software volume APO will be 
> put in the capture path; there's always a slider on the Levels tab.
>
> Why do you want to remove the volume slider?
>
> -----Original Message-----
> From: wdmaudiodev-bounce@xxxxxxxxxxxxx 
> [mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Alexey Kachalov
> Sent: Thursday, December 15, 2011 2:59 AM
> To: wdmaudiodev@xxxxxxxxxxxxx
> Subject: [wdmaudiodev] Re: [SPAM] [Bayesian][alltestmode] Re: Disable 
> volume control or Level tab at MSVAD
>
> Thank for your advice, but i did the same steps before and no result.
> These are my MiniportConnections lists.
>
> wavtable.h
> static PCCONNECTION_DESCRIPTOR MiniportConnections[] = {
>       { PCFILTER_NODE,        KSPIN_WAVE_CAPTURE_SOURCE,
> KSNODE_WAVE_ADC,     1 },
>       { KSNODE_WAVE_ADC,      0,
> PCFILTER_NODE,       KSPIN_WAVE_CAPTURE_SINK }
> };
>
> toptable.h
> static PCCONNECTION_DESCRIPTOR MiniportConnections[] = {
> {   PCFILTER_NODE,                KSPIN_TOPO_MIC_SOURCE,
> PCFILTER_NODE,      KSPIN_TOPO_WAVEIN_DEST }
> };
>
> Any type of suggestions?
>
> Best regards,
> Alexey
>
>
>
> On 15.12.2011 16:09, Robert Bielik wrote:
>> Alexey Kachalov skrev 2011-12-15 10:03:
>>> The MSVAD sample after build create driver and after install it, driver add 
>>> Microphone device at "Control Panel ->   Sound ->   Recording" list.
>>> Please, give me a hint how to disable "Level" tab at properties of this 
>>> device? Or how to disable volume control of this microphone?
>> Pretty easy, in toptable.h, just remove any node with type KSNODETYPE_VOLUME 
>>  in TopologyNodes, and/or exclude the node in the MiniportConnections list.
>>
>> Regards,
>> /Rob
>>
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