[wdmaudiodev] Re: Issue with using a compiled ac97 audio driver from the sample code

  • From: "" <dmarc-noreply@xxxxxxxxxxxxx> (Redacted sender "zero3k" for DMARC)
  • To: wdmaudiodev@xxxxxxxxxxxxx
  • Date: Mon, 18 May 2020 18:57:30 +0000

1. Sorry.
2. I figured that.
3. What can I do to debug it? 
4. Yes, I know that the official driver works.

May 18, 2020 2:53 PM, "Tim Roberts" <timr@xxxxxxxxx> wrote:

(Redacted sender zero3k for DMARC) wrote:

Has anyone done any looking into the cause of it not outputting audio in a 
VirtualBox VM?

No.  You do understand this is not an official Microsoft support
channel, and does not operate in real-time, don't you?  We're all
volunteers here, helping where we can, when we can.  Sending 5 requests
within 40 minutes on a Sunday demanding action is not a good way to
build good feelings.  AC97 is more than 20 years old; you aren't going
to find it piquing much interest today.

I'm afraid you will have to debug this yourself.  Maybe VirtualBox is
making assumptions that aren't in the spec.  Maybe the delays inherent
in VMs mean the pointers are wrapping.  There are web forums that
suggest the audio works with Realtek's AC97 driver for Vista.

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


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