[wdmaudiodev] Re: KsCreatePin Failure

  • From: Tim Roberts <timr@xxxxxxxxx>
  • To: wdmaudiodev@xxxxxxxxxxxxx
  • Date: Fri, 13 Oct 2006 09:41:18 -0700

Harsha HS wrote:

> Thanks for the reply.
> Yes, I have gone through WaveRT doc and my intension was not to
> process the dtata in filter driver.
> We have a filter driver for XP and we just tried to load it on vista.
> when we load the filter driver over WaveCyclic and wavePCI, the filter
> driver laded without fail and worked well. But the same wilter failed
> to load over WaveRT driver. when we traced the problem we came to know
> the KsCreatePin of filter driver is getting failed.
> My intension was not to process the data in fiter driver, For that we
> have APO's .
> I wanted to know why the KsCreatePin is getting failed with
> (where as same function works on waveCyclic driver).
> Is it not supported for WaveRT?

Remember that WaveRT model does not use the kernel streaming mechanism
to transfer data.  Data is transferred directly into and out of its
buffers, without using a KS pin.  My guess is that it simply does not
support any pins.

Tim Roberts, timr@xxxxxxxxx
Providenza & Boekelheide, Inc.


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