[wdmaudiodev] Re: Default Format

  • From: Tim Roberts <timr@xxxxxxxxx>
  • To: wdmaudiodev@xxxxxxxxxxxxx
  • Date: Wed, 28 Oct 2009 17:38:50 -0700

NCH Obble Smith wrote:
> When I receive a DATARANGES, I am looking into the Irp->UserBuffer but
> all I see are 0s, even when it says the outbufferlength == 536.
> Am I looking in the wrong location for the KSP_PIN structure that will
> give the first / default format?

Remember that IOCTL_KS_PROPERTY is a METHOD_NEITHER IRP.  The input
buffer is in Type3InputBuffer.

You're catching this on the way back out of the pin, right?

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


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