[wdmaudiodev] AVStream virtual audio driver: different sound quality dependently on the number of CPU cores.

  • From: Alexander Ivash <elderorb@xxxxxxxxx>
  • To: wdmaudiodev@xxxxxxxxxxxxx
  • Date: Thu, 21 Jul 2016 13:29:43 +0300

What could be the reason for the following behaviour:

On one Windows 7 x64 VM (with 1 CPU) driver works fine (well, with
rare audio artifacts)
On the SAME VM but with 2 CPUs driver works awfully, sound is heavily distorted.

Behaviour seems to not depend (or influence is very low) on using

KSPIN_FLAG_INITIATE_PROCESSING_ON_EVERY_ARRIVAL or
KSPIN_FLAG_ASYNCHRONOUS_PROCESSING

What other things can I check?

Regards, Alexander
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