[PD-dev] slowing down dsp function inside perform loop

[Tim Blechmann]

> > Basically, I have two buffers with some sound in buffer #1. I'm planning 
> > at some time in the future to start playing from buffer #2. I copy the 
> > contents of buffer #1 to buffer #2 and then do all kinds of evil DSP to 
> > the contents of buffer #2, all done asynchronously from the main DSP 
> > perform loop.
> 
> okay, but this code don't have to be in the dsp perform loop ...
> 
> I see 2 possibilities for that:
> 
> - you can do the copy + DSP-transformation of the buffer in a seperate 
> thread, as it is done in the [sndfiler] external

please note, that sndfiler is basically not clickfree, because it
requires resorting of the dsp chain, which is not trivial, if your patch
contains quite a number of dsp objects

> - maybe you can also do it with vasp, which is a set of externals for 
> buffer calculation and I think they can do it also in a seperate thread

i guess the 'vanilla' way would be to downsample the 'evil DSP' ;)

tim

--
tim at klingt.org    ICQ: 96771783
http://www.mokabar.tk

Desperation is the raw material of drastic change. Only those who can
leave behind everything they have ever believed in can hope to escape.
  William S. Burroughs
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