@Dan
As far as I recall, going between abstraction to parent patch via inlet~/outlet~ introduces a block delay, hence no error
There's no delay (as long as the blocksizes match).
@William
Second abstraction contains an effect in the feedback path. (in my simple example, it's just a null wire: In-L passes to Out-L, etc). Again this *works*, no DSP error.
But you're using [r~] and [s~] which is not the same as direct signal connections. The former can act like a short delay line. Please read "3.audio.examples/G05.execution.order".
Christof
On 25.02.2020 11:42, Dan Wilcox wrote:
As far as I recall, going between abstraction to parent patch via inlet~/outlet~ introduces a block delay, hence no error
Third patch is like the second, only the effect has been moved out of the abstraction, and into the parent patch. ONLY HERE do I get the DSP loop error.
Signal loop in a single patch without abstractions = error. Pd has no way to read and write to the same signal buffer in the patch at the same time *without* some tiny delay.
*The point is the last two patches have (or should have) an identical graph! *
At the lower level, they don't. What happens if you put part of the path inside a subpath which uses inlet~/outlet~?
On Feb 25, 2020, at 11:36 AM, William Huston <williamahuston@gmail.com mailto:williamahuston@gmail.com> wrote:
First abstraction, simple stereo delay: 2 delay lines, variable feedback L->R, R->L. This *works*, no DSP loop error.
Second abstraction contains an effect in the feedback path. (in my simple example, it's just a null wire: In-L passes to Out-L, etc). Again this *works*, no DSP error.
Third patch is like the second, only the effect has been moved out of the abstraction, and into the parent patch. ONLY HERE do I get the DSP loop error.
*The point is the last two patches have (or should have) an identical graph! *
It really seems like a bug to me.
I'll upload a test patch a little later.
Thanks, BH
Dan Wilcox @danomatika http://twitter.com/danomatika danomatika.com http://danomatika.com robotcowboy.com http://robotcowboy.com
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