[wdmaudiodev] Re: Problem using KSPROPERTY_RTAUDIO_BUFFER_WITH_NOTIFICATION.
- From: Tim Roberts <timr@xxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Mon, 06 Apr 2009 16:21:14 -0700
Lokesh Patakolusu wrote:
>
> I am trying to get the property
> KSPROPERTY_RTAUDIO_BUFFER_WITH_NOTIFICATION but the KSRTAUDIO_BUFFER
> had the buffer size as 0.I am not sure why the driver is faling to
> allocate cyclic buffer.I tried with the two sizes : 1024 and 2048.But
> still it returned 0 bytes.Anybody experimented it before.
>
> Initially when i tried with KSPROPERTY_RTAUDIO_BUFFER by giving 2048
> bytes,it allocated 4096 byes sucessfuly.When i switched to
> KSPROPERTY_RTAUDIO_BUFFER_WITH_NOTIFICATION it returned 0 bytes.
>
> If anybody have any idea pls let me know.
That might just mean that your WaveRT device does not support
notification. I can't see anywhere that says this property is required,
although I might have missed it.
--
Tim Roberts, timr@xxxxxxxxx
Providenza & Boekelheide, Inc.
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