[wdmaudiodev] Re: kernel streaming application
- From: stephane.poirier@xxxxxxxxx
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: 7 Jul 2012 18:38:14 -0000
Thanks for your replies (Rob and Eugene)!
I am already using portaudio and wishes I could stick to it without having to
go lower level.
My system hardware is the following:
--------------------------------------- device #12
[ Default Windows WDM-KS Input, Default Windows WDM-KS Output ]
Name = E-DSP Wave [FFC0]
Host API = Windows WDM-KS
Max inputs = 2, Max outputs = 8
Default low input latency = 0.0107
Default low output latency = 0.0107
Default high input latency = 0.0853
Default high output latency = 0.0853
----------------------------------------------
There is 8 output port with the "Windows WDM-KS" host API and, liki for ASIO, I
would like to assign audio output to various WDM-KS output channels.
I did not find out to do it so far with portaudio. Is it feasible with the
WDM-KS?
Steph
----- Original Message -----
From: robert@xxxxxxxxxxx
To: wdmaudiodev@xxxxxxxxxxxxx
Sent: 7/7/12 2:18 PM
Subject: [wdmaudiodev] Re: kernel streaming application
> Hi Stephane,
>
> stephane.poirier@xxxxxxxxx skrev 2012-07-07 19:42:
> > New to kernel streaming, I want to write a simple application that
> > play an audio file using kernel streaming under windows.
> >
> > I'd like to find example application, is there any?
>
> It's not a trivial task, so if you're new to it, I'd recommend using
> Portaudio instead (http://www.portaudio.com). It has support for all KS modes.
>
> If you're still keen on doing this, the sources of portaudio can be helpful,
> also as Eugene pointed out, the
> DirectKS example from Microsoft is also good. However (if the DirectKS sample
> hasn't changed recently) it only has support for WaveCyclic, and no support
> for WaveRT KS modes (Vista and later).
>
> Regards,
> /Rob
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