[PD-dev] help designing multichannel aware externals

[Christof Ressi]

Cool!

I don't see these changes yet. Did you forget to push them or are you 
still working on it?

(I am working on some clone multi-channel bugfixes and I would need the 
new signal_swapforchans() function :-)

Christof

On 25.01.2023 05:46, Miller Puckette via Pd-dev wrote:
> OK, just now changed this - there's a one-channel signal created for all
> signal outputs.  Now if you want more than one channel you have to call
> signal_swapforchans() (see d_arithmentic for example).
>
> cheers
> M
>
> On Tue, Jan 24, 2023 at 08:07:22AM +0100, IOhannes m zmoelnig wrote:
>> On 1/24/23 04:54, Alexandre Torres Porres wrote:
>>> Em seg., 23 de jan. de 2023 às 14:34, IOhannes m zmoelnig <zmoelnig at iem.at>
>>> escreveu:
>>>
>>>> multichannel objects must create the output signals themselves.
>>>> (as the object might change the number of channels).
>>>>
>>> even with [nchs~] where I'd have a fixed number of inputs/outputs?
>> yes.
>> with all multichannel aware externals.
>> how would Pd know the fixed number of outputs, if you don't tell it?
>>
>>>
>>>> see the example (mostly: pack~)
>>>>
>>> I saw it and it's quite simple, withou a 'perform' routine it uses a copy
>>> function.
>> the interesting part is the "dsp" method.
>> you cannot change the number of output signals in the perform routine (that
>> is: every tick).
>> but you can change  (or rather: must set) it when the DSP-graph is created,
>> thus in the "dsp" method.
>>
>>
>> mgfdsrfad
>> IOhannes
>
>
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