[wdmaudiodev] Re: Multichannel ?

  • From: Robert Bielik <robert.bielik@xxxxxxxxxx>
  • To: wdmaudiodev@xxxxxxxxxxxxx
  • Date: Tue, 02 Nov 2010 10:36:01 +0100

Robert Bielik skrev 2010-11-02 08:15:
So my question: How do I do programmtically the same thing as the "Advanced" tab 
"Default format" section does ?

Ok, some googling later. The short answer to that question is "You don't". 
Great. Microsoft must really hate audio developers.

But I managed anyway to get windows to query the device again, by DELETING the 
default format registry entries. Hah!

This has problems though if I change the samplerate only f.i., then the client 
of my VAD won't know what happened but happily
stream on (with what it thinks is the correct samplerate).

In this thread: 
Mitch Rundle says there are ways to "invalidate" the device, so that currently 
streaming applications will need to restart streaming.
If this can be done, then I wouldn't have to "hack" my way around this, for 
lack of a better word, bug.

Care to share those "ways" ?

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