[wdmaudiodev] Re: Exposing several ranges

  • From: Robert Bielik <robert.bielik@xxxxxxxxxx>
  • To: wdmaudiodev@xxxxxxxxxxxxx
  • Date: Wed, 19 Oct 2011 08:05:07 +0200

Robert Bielik skrev 2011-10-18 18:15:
I've now implemented my device to expose each samplerate/channel combo as a 
separate KSDATARANGE item, and this is dynamic, i.e. I can tear down
the device, update its KSDATARANGE items, then init the device again. And it 
"seems" as though the control panel of Vista can handle it.

Not quite. I forgot to mention that in one case I expose 44100,48000,88200,96000 as 
samplerates but 88200 Hz gets "dropped" in sound control panel.

Why? Is the audio subsystem in Vista/Win7 hardcoded to accept only a few 
selected samplerates ?



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