Re: audioio and pthreads don't work

#1 (**permalink**) 02-18-2008, 06:48 AM

Marco S Hyman wrote:
> > The problem is that if I link an application with pthread, it just won't
> > read from the sound card. if I don't, it reads fine.
>
> When using pthread the threads library converts all I/O to non blocking,
> but hides this from the application. This causes a problem with audio
> as audio devices are opened with record.pause=1. Doing a blocked read
> overrides the pause setting, a non-blocked read doesn't.
>
> Change your application to to explicity disable pause and things should
> work just fine. Do this by adding
>
> audioInfo.record.pause = 0;
>
> before doing your AUDIO_SETINFO.

thanks, this works now. two strange things though: without setting pause
to 0, but duing an AUDIO_GETINFO, it would return 0 anyway, though
recording wouldn't start. the other thing is that this hack is not
needed on Solaris

thanks anyway..

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