[wdmaudiodev] Re: MSVAD sample and Audio engine traces
- From: Rashee Chadha <rashee182@xxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Tue, 6 Mar 2012 16:48:37 -0800
No I did not change the inf file except for commenting out this line :
CatalogFile=msvad.cat
I guess you suggested earlier that there may be some "ETW tracing events"
built into the audio engine. But I am not sure how to capture such events.
On Tue, Mar 6, 2012 at 4:42 PM, Tim Roberts <timr@xxxxxxxxx> wrote:
> Rashee Chadha wrote:
>
>
> I have just started working on WDM audio drivers. I am referring to the
> MSVAD sample driver which comes with the DDK.
>
> I used the devcon utility to install this driver (on a Win7 VMWare Virtual
> Machine):
>
>
> *devcon install msvad.inf *MSVADSimple*
>
> **
>
> *Initially I got the error of missing cat file. On commenting out this
> dependancy from inf file, I get yet another error of missing vaddyn.sys
> file.*
>
> *This sys file was not generated when I built the entire MSVAD solution.*
>
>
> Did you change the INF? The INF in the sample maps the *MSVADSimple
> device identifier to vadsimpl.sys. It does not have the name "vaddyn.sys"
> anywhere. If you changed that name in the INF, then you have to change the
> name of the binary that you build.
>
>
>
> *Additionally I would like to capture
> traces for audioeng.dll,audiokse.dll and portcl.sys. This would help me in
> understanding the call flow from the audio engine upto the sample miniport.
> *
>
> *Which setting I need to do in order to achieve this.*
>
>
> I'm not convinced that such traces are available.
>
> --
> Tim Roberts, timr@xxxxxxxxx
> Providenza & Boekelheide, Inc.
>
>
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