[wdmaudiodev] Re: AUDCLNT_SHAREMODE_EXCLUSIVE with AUDCLNT_STREAMFLAGS_EVENTCALLBACK failed
- From: DJ Sisolak <dsisolak@xxxxxxxxxxxxxxxxxxxxxx>
- To: "wdmaudiodev@xxxxxxxxxxxxx" <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Fri, 27 Feb 2009 16:33:20 -0800
Hi Chandan,
What is the value you are setting for hnsRequestedDuration? What is the error
code you are receiving back from Initialize?
Thx,
DJ
From: wdmaudiodev-bounce@xxxxxxxxxxxxx
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Chandan Sourav Pal
Sent: Friday, February 27, 2009 7:26 AM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] AUDCLNT_SHAREMODE_EXCLUSIVE with
AUDCLNT_STREAMFLAGS_EVENTCALLBACK failed
Hi all,
I am trying to implement an audio play and record application using Vista new
WASAPI for my audio WaveRT audio driver. When i am playing or recording in
AUDCLNT_SHAREMODE_SHARED mode it working fine (with max latency 8 ms). To
minimize the latency I want to use AUDCLNT_SHAREMODE_EXCLUSIVE mode for playing
and recording, but it does not work if I specify
AUDCLNT_STREAMFLAGS_EVENTCALLBACK flag.
hr = pAudioClient->Initialize( AUDCLNT_SHAREMODE_EXCLUSIVE,
AUDCLNT_STREAMFLAGS_EVENTCALLBACK,
hnsRequestedDuration,
hnsRequestedDuration,
&wfx,
NULL);
Without this EVENT CALLBACK the Initialize succeed. I am using Vista SP1 as a
client. Is there anything we have to do special in the WaveRT driver -- Or I
have do something in my application? I have no idea what is going wrong.
F.Y.I This WaveRT driver works fine with WaveXXX legacy APIs with
Please help.
Thanks in advance,
Chandan
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