Re: [LAD] hard realtime performance synth

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From: Stephen Sinclair <radarsat1@...>
To: linux-audio-dev <linux-audio-dev@...>
Subject: Re: [LAD] hard realtime performance synth
Date: Tuesday, January 26, 2010 - 9:48 pm

On Tue, Jan 26, 2010 at 3:15 PM, David McClanahan

 wrote:


Just a note, I know there will be lots of different answers to your

post, but in the midst of all that could we have a small side

discussion on precisely this topic?


I have been using Xenomai recently for non-audio related research, and

found it not too hard to use.  (Other than the fact that I had to

patch and compile the kernel myself.)


However, this was with some custom PCI hardware for which I had driver

source code which I translated to the RTDM model myself.  (Which was

quite easy actually.  RTDM is not a bad driver model at all-- in some

ways more consistent than the Linux driver model.)


Does anyone have experience porting audio drivers to RTDM?  Or... is

it possible to use ALSA in conjunction with Xenomai somehow?  I'm

particularly interested for small embedded systems, but the old Dell

laptop in question is also I think a valid scenario.


thanks,

Steve

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Messages in current thread:
[LAD] hard realtime performance synth, David McClanahan, (Sat Jan 23, 10:33 pm)
Re: [LAD] hard realtime performance synth, David McClanahan, (Tue Jan 26, 8:15 pm)
Re: [LAD] hard realtime performance synth, Jens M Andreasen, (Wed Jan 27, 8:40 am)
Re: [LAD] hard realtime performance synth, David Olofson, (Wed Jan 27, 1:48 am)
Re: [LAD] hard realtime performance synth, David McClanahan, (Thu Jan 28, 8:01 pm)
Re: [LAD] hard realtime performance synth, David Olofson, (Fri Jan 29, 1:32 am)
Re: [LAD] hard realtime performance synth, David McClanahan, (Fri Jan 29, 10:24 pm)
Re: [LAD] hard realtime performance synth, Gabriel M. Beddingfield, (Sat Jan 30, 5:37 am)
Re: [LAD] hard realtime performance synth, Paul Davis, (Sat Jan 30, 12:20 am)
Re: [LAD] hard realtime performance synth, Gabriel M. Beddingfield, (Thu Jan 28, 9:40 pm)
Re: [LAD] hard realtime performance synth, Folderol, (Thu Jan 28, 10:12 pm)
Re: [LAD] hard realtime performance synth, torbenh, (Thu Jan 28, 8:55 pm)
Re: [LAD] hard realtime performance synth, , (Thu Jan 28, 9:51 pm)
Re: [LAD] hard realtime performance synth, Louigi Verona, (Wed Jan 27, 1:51 am)
Re: [LAD] hard realtime performance synth, Louigi Verona, (Wed Jan 27, 1:34 am)
Re: [LAD] hard realtime performance synth, Stephen Sinclair, (Tue Jan 26, 9:48 pm)
Re: [LAD] hard realtime performance synth, David McClanahan, (Thu Jan 28, 6:55 pm)
Re: [LAD] hard realtime performance synth, Paul Davis, (Thu Jan 28, 7:56 pm)
Re: [LAD] hard realtime performance synth, David McClanahan, (Thu Jan 28, 8:07 pm)
Re: [LAD] hard realtime performance synth, , (Tue Jan 26, 8:51 pm)
Re: [LAD] hard realtime performance synth, Josh Lawrence, (Tue Jan 26, 8:39 pm)
Re: [LAD] hard realtime performance synth, Gabriel M. Beddingfield, (Sun Jan 24, 2:46 am)
Re: [LAD] hard realtime performance synth, Ray Rashif, (Sun Jan 24, 6:35 am)
Re: [LAD] hard realtime performance synth, Jens M Andreasen, (Sun Jan 24, 1:27 pm)
Re: [LAD] hard realtime performance synth, Louigi Verona, (Sun Jan 24, 2:46 pm)
Re: [LAD] hard realtime performance synth, Jens M Andreasen, (Sun Jan 24, 3:06 pm)
Re: [LAD] hard realtime performance synth, Victor Lazzarini, (Mon Jan 25, 6:16 pm)
Re: [LAD] hard realtime performance synth, Jens M Andreasen, (Mon Jan 25, 5:17 pm)
Re: [LAD] hard realtime performance synth, Gene Heskett, (Mon Jan 25, 6:32 pm)
Re: [LAD] hard realtime performance synth, Jens M Andreasen, (Mon Jan 25, 6:09 pm)