[PD] Cannot change blocksize (Mac OS X)

Miller Puckette msp at ucsd.edu
Tue Jul 5 22:05:20 CEST 2016


It seems to be only needed on windows systems  - I've had to push it to 4096
at times.

cheers
M
On Tue, Jul 05, 2016 at 05:00:19PM -0300, Alexandre Torres Porres wrote:
> out of curiosity, when is it needed in other OS?
> cheers
> 
> 2016-07-05 16:27 GMT-03:00 Miller Puckette <msp at ucsd.edu>:
> 
> > Hi all -
> >
> > I should just disable block-size setting on Mac.  It's never needed.
> > (There's
> > an I/O  blocksize control in Max/MSP that actually sets latency; this is
> > done
> > in Pd using the "Delay" setting instead.)
> >
> > cheers
> > Miller
> >
> > On Tue, Jul 05, 2016 at 12:08:24PM -0700, Jesse Mejia wrote:
> > > I experience this problem as well. Would love a solution.
> > >
> > > > On Jul 5, 2016, at 11:33 AM, Mikkel Gravgaard <mikkelg at gmail.com>
> > wrote:
> > > >
> > > > I cannot set the audio blocksize of Pure Data. It defaults to 64,
> > which works.
> > > >
> > > > If I open the settings and change it to e.g. 256, pressing save does
> > > > nothing, and I cannot close the window and have to force-quite Pd.
> > > >
> > > > I am running Pd-0.47-1 on OS X 10.11.5 on a Macbook. I have tried both
> > > > the 64 bit and 32 bit versions of Pd. No libraries installed.
> > > >
> > > > I have also tried running Pd from command line with option -blocksize
> > > > 256, in which case Pd does not start (the icon just jumps up and down
> > > > in the launch bar).
> > > >
> > > > I have also tried changing the default value of 64 to 256 in the
> > > > .plist file. Pd does boot in this case, but if I enable DSP, it stops
> > > > responding.
> > > >
> > > > I was asked in the Pd forums to try this mailing list.
> > > >
> > > > Any hints?
> > > >
> > > > Thanks,
> > > > Mikkel Gravgaard
> > > >
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