[PD] JACK and blocksize

Roman Haefeli reduzent at gmail.com
Wed Jan 12 16:11:30 CET 2022


On Wed, 2022-01-12 at 15:28 +0100, Peter P. wrote:
> * Roman Haefeli <reduzent at gmail.com> [2022-01-12 15:08]:
> > Hey all
> > 
> > Using callbacks is certainly interesting for low-latency
> > applications.
> > I noticed that JACK allows blocksizes below 64, namely 32 and 16.
> > However, those can only be used with callbacks disabled which means
> > having to use an additional buffer again. 
> > 
> > I wonder if the blocksize of 64 is deeply baked into Pd or if it
> > could
> > theoretically be made configurable. 
> Sorry, I didn't check this myself, but can {block~] be used in a
> top-level patch perhaps?

According to the documentation, [dac~ ]/[adc~] cannot reside in re-
blocked (sub)patches. There is no mentioning of top-level patches.

However, my point was to allow to connect pd to jack running at bs=32
or bs=16 _with_ callbacks.

Roman
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