[PD] how to force the DSP call? / set delread~ delay name
Christof Ressi
info at christofressi.com
Tue Mar 2 00:17:55 CET 2021
> This is because the delay line to read is passed via the dsp_add
> function in "sigdelread_dsp" or "sigvd_dsp"
It doesn't have to be. You can certainly change the delay line during
runtime, just like in [receive~], [throw~], [tabsend~], [tabreceive~],
etc. All relevant information obtained in the "dsp" method, like x_sr,
x_n and x_zerodel, is stored in the object and can be easily accessed
any time.
> I don't know if other people out there would love the idea of being
> able to set a new delay name to [delread~]/[delread4~]. If so, we can
> also make that request
Done: https://github.com/pure-data/pure-data/issues/1274
I might do a PR when I have some time.
Christof
On 01.03.2021 22:13, Alexandre Torres Porres wrote:
> Hi, so, I'm working on my variant of delread/write with more features
> like "freezing", for reference =>
> https://lists.puredata.info/pipermail/pd-list/2021-03/129181.html
> <https://lists.puredata.info/pipermail/pd-list/2021-03/129181.html>
>
> So, here's another question, thought I'd open a new thread. I'm now at
> the point of setting the delay name to delread-like object, the
> problem is that I need to force a dsp call, which can be done by
> creating a new object or something like that before the new delay name
> takes effect.
>
> This is because the delay line to read is passed via the dsp_add
> function in "sigdelread_dsp" or "sigvd_dsp", for example see
> https://github.com/pure-data/pure-data/blob/master/src/d_delay.c#L330
> <https://github.com/pure-data/pure-data/blob/master/src/d_delay.c#L330>
>
> someone once asked about this on the list and the answer was to find
> an alternative solution that didn't need to force the call, see
> https://lists.puredata.info/pipermail/pd-list/2020-11/128514.html
> <https://lists.puredata.info/pipermail/pd-list/2020-11/128514.html> -
> so I don't know if this is possible, or dangerous or something. I
> wouldn't know of a possible alternative as well.
>
> I don't know if other people out there would love the idea of being
> able to set a new delay name to [delread~]/[delread4~]. If so, we can
> also make that request, but then the problem would be the same.
>
> thanks
>
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