[wdmaudiodev] Re: Dynamic format negotiation on Windows 7

  • From: Matthew van Eerde <Matthew.van.Eerde@xxxxxxxxxxxxx>
  • To: "wdmaudiodev@xxxxxxxxxxxxx" <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Mon, 14 Feb 2011 19:07:48 +0000

> I want to support 32kHz, 44.1kHz, 48kHz, 64kHz, 88.2kHz, 96kHz, 128kHz,
176.4kHz and 192kHz.

Try exposing a separate data range for each of these:

1) MinimumSampleFrequency = 32000; MaximumSampleFrequency = 32000
2) MinimumSampleFrequency = 44100; MaximumSampleFrequency = 44100
3) MinimumSampleFrequency = 48000; MaximumSampleFrequency = 48000
4) MinimumSampleFrequency = 64000; MaximumSampleFrequency = 64000
...
________________________________________
From: wdmaudiodev-bounce@xxxxxxxxxxxxx [wdmaudiodev-bounce@xxxxxxxxxxxxx] on 
behalf of uwekirst [u.kirst@xxxxxx]
Sent: Monday, February 14, 2011 12:43 AM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] Re: Dynamic format negotiation on Windows 7

Nobody knows why sf 64kHz and 128kHz doesn't work with
KS_EVENT_PINCAPS_FORMATCHANGE?
thanks,

/Uwe

Am 10.02.2011 16:40, schrieb uwekirst:
> Hi all,
> Hi Chen-mean,
>
> at the moment I'm checking once again wether I could use dynamic
> format changes under windows 7.
> I want to use the event mechanism because it  seems to be much faster
> than removing/adding subdevices.
> Basically I have some samplerates already working, but there are still
> issues.
>

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