[PD] Portaudio question/problem

guenter geiger geiger at xdv.org
Tue Nov 12 10:21:55 CET 2002


On Sat, 9 Nov 2002, Miller Puckette wrote:

> hi all,
>
> Pd uses portaudio_v18.  I doubt that's the latest version, and will check.
> There's no reason in general to assume a newer version works better than an
> older one, of course...

In this case probably yes, because the V18, if so , only has bugfix
releases. The V19 will have a different (only slighly) interface,
and will have support for almost any Audio/IO architecture that exists.
It will be released in some months or so.

Guenter



>
> cheers
> Miller
>
> On Sat, Nov 09, 2002 at 11:34:20PM -0600, David Sabine wrote:
> > Hi All,
> >
> > Portaudio crashes on my computer when I use PD.  (But only about 1 in 10 tries).  I can use PD almost free of errors, but 10% of the time - give or take 50% - PD crashes when I execute pd.exe with the -asio flag.
> >
> > I've been quiet about this problem because I wasn't certain of the cause.  But I KNOW FOR CERTAIN that it's Portaudio.
> >
> > My computer:
> > Windows XP Service Pack 1
> > MOTU 2408mkII
> > PD 0.35 test 4 (but the problem has been occuring on my computer for months - since approx 0.26 when I started using PD with -asio)
> >
> > I thought perhaps PD was causing the problem...but after some investigation I realized that I can produce the exact same problem when I execute the following Portaudio Diagnostic executables: available at http://www.portaudio.com/downloads.html  (Windows ASIO package)
> >
> > pa_fuzz.exe (1 in 3-5 attempts)
> > pa_devs.exe (1 in 3-5 attempts)
> > patest_sine.exe (1 in 3-5 attempts)
> > patest_multisine.exe (0 in 40 attempts) did NOT cause the problem even after 40 or so attempts.
> >
> > With each error, I can see in the Windows Error Report that the AppName (any of the above) caused a problem in module named "PCI-324 ASIO.drv" (which is the Mark of the Unicorn proprietary ASIO driver software.)  The MOTU drivers works without flaw in other applications on my computer.
> >
> > SO MY QUESTION IS:
> > Does PD 0.35 test 4 use the latest version of the Portaudio software?
> > If NO, then has the newer version been tested?
> > If YES, then should this error report go to the Portaudio email list?
> >
> > Many thanks
> > Regards,
> > Dave Sabine
>
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