[PD] writesf~ buglet(?) re. dsp on/off
Miller Puckette
mpuckett at man104-1.ucsd.edu
Sat Jan 17 23:55:45 CET 2004
Well, they should all work the same whether DSP is on or off. THis
isn't always true in reality - in particular, tilde objects don't
get to find out their sample rate until DSP goes on. There are probably
other situations as well. This one about writesf~ is probably a bug
in the object, nothing deeper. But writesf~ is delicate enough that
I'm afraid to monkey with it for a "patch" release, so will wait until
later to try ti fix this.
cheers
Miller
On Sun, Dec 21, 2003 at 07:39:03PM -0500, Larry Troxler wrote:
> hmm, it seems that writesf~ only works correctly for me when the "open"
> message is sent when DSP is already on.
>
> For example, this works:
>
> ; dsp on
> ( send open message to writesf~)
> (send start message to writesf~)
> (wait some time)
> (send stop message to writesf~)
> (wait some time)
> ; dsp off
>
> .. but this doesn't (starting with dsp off) :
>
> (send open message to writesf~)
> ; dsp on
> (send start message to writesf~)
> (wait some time)
> (send stop message to writesf~)
> (wait some time)
> ; dsp off
>
> In the second case, a file does get created, but it captures only a portion of
> the total recording time.
>
> I Haven't looked through the source yet to trace this, but this raises a
> larger issue I think: how do we know which messages on objects work with dsp
> off, and which of them require dsp on?
>
> Best Regards
>
> Larry Troxler
>
>
>
>
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